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Comparing deliantra/server/common/object.C (file contents):
Revision 1.54 by root, Fri Nov 17 19:40:53 2006 UTC vs.
Revision 1.272 by root, Sat Dec 27 04:09:58 2008 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 (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	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,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	24	#include <global.h>
28	#include <stdio.h>	25	#include <stdio.h>
29	#include <sys/types.h>	26	#include <sys/types.h>
30	#include <sys/uio.h>	27	#include <sys/uio.h>
31	#include <object.h>	28	#include <object.h>
32	#include <funcpoint.h>	29	#include <sproto.h>
33	#include <loader.h>	30	#include <loader.h>
34		31
35	int nrofallocobjects = 0;	32	#include <bitset>
36	static UUID uuid;	33
		34	UUID UUID::cur;
		35	static uint64_t seq_next_save;
37	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
38		38
39	object *active_objects; /* List of active objects that need to be processed */	39	objectvec objects;
		40	activevec actives;
40		41
41	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	short freearr_x[SIZEOFFREE] = {
		43	0,
		44	0, 1, 1, 1, 0, -1, -1, -1,
		45	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
42	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
43	};	47	};
44	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,	48	short freearr_y[SIZEOFFREE] = {
		49	0,
		50	-1, -1, 0, 1, 1, 1, 0, -1,
		51	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
45	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	52	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
46	};	53	};
47	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,	54	int maxfree[SIZEOFFREE] = {
		55	0,
		56	9, 10, 13, 14, 17, 18, 21, 22,
		57	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
48	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	58	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
49	};	59	};
50	int freedir[SIZEOFFREE] = {	60	int freedir[SIZEOFFREE] = {
51	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,	61	0,
		62	1, 2, 3, 4, 5, 6, 7, 8,
		63	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
52	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	64	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
53	};	65	};
54		66
55	static void	67	static void
56	write_uuid (void)	68	write_uuid (uval64 skip, bool sync)
57	{	69	{
58	char filename1[MAX_BUF], filename2[MAX_BUF];	70	CALL_BEGIN (2);
59		71	CALL_ARG_SV (newSVval64 (skip));
60	sprintf (filename1, "%s/uuid", settings.localdir);	72	CALL_ARG_SV (boolSV (sync));
61	sprintf (filename2, "%s/uuid~", settings.localdir);	73	CALL_CALL ("cf::write_uuid", G_DISCARD);
62		74	CALL_END;
63	FILE *fp;
64
65	if (!(fp = fopen (filename2, "w")))
66	{
67	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
68	return;
69	}
70
71	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
72	fclose (fp);
73	rename (filename2, filename1);
74	}	75	}
75		76
76	static void	77	static void
77	read_uuid (void)	78	read_uuid (void)
78	{	79	{
79	char filename[MAX_BUF];	80	char filename[MAX_BUF];
80		81
81	sprintf (filename, "%s/uuid", settings.localdir);	82	sprintf (filename, "%s/uuid", settings.localdir);
		83
		84	seq_next_save = 0;
82		85
83	FILE *fp;	86	FILE *fp;
84		87
85	if (!(fp = fopen (filename, "r")))	88	if (!(fp = fopen (filename, "r")))
86	{	89	{
87	if (errno == ENOENT)	90	if (errno == ENOENT)
88	{	91	{
89	LOG (llevInfo, "RESET uid to 1\n");	92	LOG (llevInfo, "RESET uid to 1\n");
90	uuid.seq = 0;	93	UUID::cur.seq = 0;
91	write_uuid ();	94	write_uuid (UUID_GAP, true);
92	return;	95	return;
93	}	96	}
94		97
95	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	98	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
96	_exit (1);	99	_exit (1);
97	}	100	}
98		101
99	int version;	102	UUID::BUF buf;
100	unsigned long long uid;	103	buf[0] = 0;
101	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	104	fgets (buf, sizeof (buf), fp);
		105
		106	if (!UUID::cur.parse (buf))
102	{	107	{
103	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	108	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
104	_exit (1);	109	_exit (1);
105	}	110	}
106		111
107	uuid.seq = uid;
108	write_uuid ();
109	LOG (llevDebug, "read UID: %lld\n", uid);	112	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
		113
		114	write_uuid (UUID_GAP, true);
110	fclose (fp);	115	fclose (fp);
111	}	116	}
112		117
113	UUID	118	UUID
114	gen_uuid ()	119	UUID::gen ()
115	{	120	{
116	UUID uid;	121	UUID uid;
117		122
118	uid.seq = ++uuid.seq;	123	uid.seq = ++cur.seq;
119		124
120	if (!(uuid.seq & (UUID_SKIP - 1)))	125	if (expect_false (cur.seq >= seq_next_save))
121	write_uuid ();	126	{
		127	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		128	write_uuid (UUID_GAP, false);
		129	}
		130
122		131
123	return uid;	132	return uid;
124	}	133	}
125		134
126	void	135	void
127	init_uuid ()	136	UUID::init ()
128	{	137	{
129	read_uuid ();	138	read_uuid ();
130	}	139	}
131		140
132	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	141	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
133	static int	142	static bool
134	compare_ob_value_lists_one (const object *wants, const object *has)	143	compare_ob_value_lists_one (const object *wants, const object *has)
135	{	144	{
136	key_value *wants_field;
137
138	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	145	/* n-squared behaviour (see kv_get), but I'm hoping both
139	* objects with lists are rare, and lists stay short. If not, use a	146	* objects with lists are rare, and lists stay short. If not, use a
140	* different structure or at least keep the lists sorted...	147	* different structure or at least keep the lists sorted...
141	*/	148	*/
142		149
143	/* For each field in wants, */	150	/* For each field in wants, */
144	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	151	for (key_value *kv = wants->key_values; kv; kv = kv->next)
145	{	152	if (has->kv_get (kv->key) != kv->value)
146	key_value *has_field;	153	return false;
147
148	/* Look for a field in has with the same key. */
149	has_field = get_ob_key_link (has, wants_field->key);
150
151	if (has_field == NULL)
152	{
153	/* No field with that name. */
154	return FALSE;
155	}
156
157	/* Found the matching field. */
158	if (has_field->value != wants_field->value)
159	{
160	/* Values don't match, so this half of the comparison is false. */
161	return FALSE;
162	}
163
164	/* If we get here, we found a match. Now for the next field in wants. */
165	}
166		154
167	/* If we get here, every field in wants has a matching field in has. */	155	/* If we get here, every field in wants has a matching field in has. */
168	return TRUE;	156	return true;
169	}	157	}
170		158
171	/* Returns TRUE if ob1 has the same key_values as ob2. */	159	/* Returns TRUE if ob1 has the same key_values as ob2. */
172	static int	160	static bool
173	compare_ob_value_lists (const object *ob1, const object *ob2)	161	compare_ob_value_lists (const object *ob1, const object *ob2)
174	{	162	{
175	/* However, there may be fields in has which aren't partnered in wants,	163	/* However, there may be fields in has which aren't partnered in wants,
176	* so we need to run the comparison *twice*. :(	164	* so we need to run the comparison *twice*. :(
177	*/	165	*/
178	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	166	return compare_ob_value_lists_one (ob1, ob2)
		167	&& compare_ob_value_lists_one (ob2, ob1);
179	}	168	}
180		169
181	/* Function examines the 2 objects given to it, and returns true if	170	/* Function examines the 2 objects given to it, and returns true if
182	* they can be merged together.	171	* they can be merged together.
183	*	172	*
184	* Note that this function appears a lot longer than the macro it	173	* Note that this function appears a lot longer than the macro it
185	* replaces - this is mostly for clarity - a decent compiler should hopefully	174	* replaces - this is mostly for clarity - a decent compiler should hopefully
186	* reduce this to the same efficiency.	175	* reduce this to the same efficiency.
187	*	176	*
188	* Check nrof variable *before* calling CAN_MERGE()	177	* Check nrof variable *before* calling can_merge()
189	*	178	*
190	* Improvements made with merge: Better checking on potion, and also	179	* Improvements made with merge: Better checking on potion, and also
191	* check weight	180	* check weight
192	*/	181	*/
193
194	bool object::can_merge (object *ob1, object *ob2)	182	bool object::can_merge_slow (object *ob1, object *ob2)
195	{	183	{
196	/* A couple quicksanity checks */	184	/* A couple quicksanity checks */
197	if ((ob1 == ob2) || (ob1->type != ob2->type))	185	if (ob1 == ob2
		186	|| ob1->type != ob2->type
		187	|| ob1->speed != ob2->speed
		188	|| ob1->value != ob2->value
		189	|| ob1->name != ob2->name)
198	return 0;	190	return 0;
199		191
200	if (ob1->speed != ob2->speed)	192	/* Do not merge objects if nrof would overflow, assume nrof
		193	* is always 0 .. 2**31-1 */
		194	if (ob1->nrof > 0x7fffffff - ob2->nrof)
201	return 0;	195	return 0;
202		196
203	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
204	* value could not be stored in a sint32 (which unfortunately sometimes is
205	* used to store nrof).
206	*/
207	if (ob1->nrof + ob2->nrof >= 1UL << 31)
208	return 0;
209
210	/* If the objects have been identified, set the BEEN_APPLIED flag.	197	/* If the objects have been identified, set the BEEN_APPLIED flag.
211	* This is to the comparison of the flags below will be OK. We	198	* This is to the comparison of the flags below will be OK. We
212	* just can't ignore the been applied or identified flags, as they	199	* just can't ignore the been applied or identified flags, as they
213	* are not equal - just if it has been identified, the been_applied	200	* are not equal - just if it has been identified, the been_applied
214	* flags lose any meaning.	201	* flags lose any meaning.
215	*/	202	*/
216	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	203	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
217	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	204	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
218		205
219	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	206	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
220	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	207	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
221		208
222		209	if (ob1->arch->archname != ob2->arch->archname
223	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something
224	* being locked in inventory should prevent merging.
225	* 0x4 in flags3 is CLIENT_SENT
226	*/
227	if ((ob1->arch != ob2->arch) ||
228	(ob1->flags[0] != ob2->flags[0]) ||
229	(ob1->flags[1] != ob2->flags[1]) ||
230	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
231	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
232	(ob1->name != ob2->name) ||	210	|| ob1->name != ob2->name
233	(ob1->title != ob2->title) ||	211	|| ob1->title != ob2->title
234	(ob1->msg != ob2->msg) ||	212	|| ob1->msg != ob2->msg
235	(ob1->weight != ob2->weight) ||	213	|| ob1->weight != ob2->weight
236	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||
237	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||
238	(ob1->attacktype != ob2->attacktype) ||	214	|| ob1->attacktype != ob2->attacktype
239	(ob1->magic != ob2->magic) ||	215	|| ob1->magic != ob2->magic
240	(ob1->slaying != ob2->slaying) ||	216	|| ob1->slaying != ob2->slaying
241	(ob1->skill != ob2->skill) ||	217	|| ob1->skill != ob2->skill
242	(ob1->value != ob2->value) ||	218	|| ob1->value != ob2->value
243	(ob1->animation_id != ob2->animation_id) ||	219	|| ob1->animation_id != ob2->animation_id
		220	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
244	(ob1->client_type != ob2->client_type) ||	221	|| ob1->client_type != ob2->client_type
245	(ob1->materialname != ob2->materialname) ||	222	|| ob1->materialname != ob2->materialname
246	(ob1->lore != ob2->lore) ||	223	|| ob1->lore != ob2->lore
247	(ob1->subtype != ob2->subtype) ||	224	|| ob1->subtype != ob2->subtype
248	(ob1->move_type != ob2->move_type) ||	225	|| ob1->move_type != ob2->move_type
249	(ob1->move_block != ob2->move_block) ||	226	|| ob1->move_block != ob2->move_block
250	(ob1->move_allow != ob2->move_allow) ||	227	|| ob1->move_allow != ob2->move_allow
251	(ob1->move_on != ob2->move_on) ||	228	|| ob1->move_on != ob2->move_on
252	(ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty))	229	|| ob1->move_off != ob2->move_off
		230	|| ob1->move_slow != ob2->move_slow
		231	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		232	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		233	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
253	return 0;	234	return 0;
254		235
		236	if ((ob1->flag ^ ob2->flag)
		237	.reset (FLAG_INV_LOCKED)
		238	.reset (FLAG_REMOVED)
		239	.any ())
		240	return 0;
		241
255	/* This is really a spellbook check - really, we should	242	/* This is really a spellbook check - we should in general
256	* check all objects in the inventory.	243	* not merge objects with real inventories, as splitting them
		244	* is hard.
257	*/	245	*/
258	if (ob1->inv || ob2->inv)	246	if (ob1->inv || ob2->inv)
259	{	247	{
260	/* if one object has inventory but the other doesn't, not equiv */
261	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
262	return 0;
263
264	/* Now check to see if the two inventory objects could merge */
265	if (!CAN_MERGE (ob1->inv, ob2->inv))	248	if (!(ob1->inv && ob2->inv))
266	return 0;	249	return 0; /* inventories differ in length */
		250
		251	if (ob1->inv->below || ob2->inv->below)
		252	return 0; /* more than one object in inv */
		253
		254	if (!object::can_merge (ob1->inv, ob2->inv))
		255	return 0; /* inventory objects differ */
267		256
268	/* inventory ok - still need to check rest of this object to see	257	/* inventory ok - still need to check rest of this object to see
269	* if it is valid.	258	* if it is valid.
270	*/	259	*/
271	}	260	}
…		…
279		268
280	/* Note sure why the following is the case - either the object has to	269	/* Note sure why the following is the case - either the object has to
281	* be animated or have a very low speed. Is this an attempted monster	270	* be animated or have a very low speed. Is this an attempted monster
282	* check?	271	* check?
283	*/	272	*/
284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	273	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
285	return 0;	274	return 0;
286		275
287	switch (ob1->type)	276	switch (ob1->type)
288	{	277	{
289	case SCROLL:	278	case SCROLL:
290	if (ob1->level != ob2->level)	279	if (ob1->level != ob2->level)
291	return 0;	280	return 0;
292	break;	281	break;
293	}	282	}
294		283
295	if (ob1->key_values != NULL || ob2->key_values != NULL)	284	if (ob1->key_values || ob2->key_values)
296	{	285	{
297	/* At least one of these has key_values. */	286	/* At least one of these has key_values. */
298	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	287	if ((!ob1->key_values) != (!ob2->key_values))
299	/* One has fields, but the other one doesn't. */	288	return 0; /* One has fields, but the other one doesn't. */
		289
		290	if (!compare_ob_value_lists (ob1, ob2))
300	return 0;	291	return 0;
301	else if (!compare_ob_value_lists (ob1, ob2))
302	return 0;
303	}	292	}
304		293
305	//TODO: generate an event or call into perl for additional checks
306	if (ob1->self || ob2->self)	294	if (ob1->self || ob2->self)
307	{	295	{
308	ob1->optimise ();	296	ob1->optimise ();
309	ob2->optimise ();	297	ob2->optimise ();
310		298
311	if (ob1->self || ob2->self)	299	if (ob1->self || ob2->self)
		300	{
		301	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		302	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		303
		304	if (k1 != k2)
312	return 0;	305	return 0;
		306
		307	if (k1 == 0)
		308	return 1;
		309
		310	if (!cfperl_can_merge (ob1, ob2))
		311	return 0;
		312	}
313	}	313	}
314		314
315	/* Everything passes, must be OK. */	315	/* Everything passes, must be OK. */
316	return 1;	316	return 1;
317	}	317	}
318		318
		319	// find player who can see this object
		320	object *
		321	object::visible_to () const
		322	{
		323	if (client_visible () && !flag [FLAG_REMOVED])
		324	{
		325	// see if we are in a container of sorts
		326	if (env)
		327	{
		328	// the player inventory itself is always visible
		329	if (env->is_player ())
		330	return env;
		331
		332	// else a player could have our env open
		333	object *envest = env->outer_env ();
		334
		335	// the player itself is always on a map, so we will find him here
		336	// even if our inv is in a player.
		337	if (envest->is_on_map ())
		338	if (object *pl = envest->ms ().player ())
		339	if (pl->container == env)
		340	return pl;
		341	}
		342	else
		343	{
		344	// maybe there is a player standing on the same mapspace
		345	// this will catch the case where "this" is a player
		346	if (object *pl = ms ().player ())
		347	if ((!pl->container && pl->contr->ns && !pl->contr->ns->update_look)
		348	|| this == pl->container)
		349	return pl;
		350	}
		351	}
		352
		353	return 0;
		354	}
		355
		356	// adjust weight per container type ("of holding")
		357	static sint32
		358	weight_adjust_for (object *op, sint32 weight)
		359	{
		360	return op->type == CONTAINER
		361	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		362	: weight;
		363	}
		364
319	/*	365	/*
		366	* adjust_weight(object, weight) adds the specified weight to an object,
		367	* and also updates how much the environment(s) is/are carrying.
		368	*/
		369	static void
		370	adjust_weight (object *op, sint32 weight)
		371	{
		372	while (op)
		373	{
		374	// adjust by actual difference to account for rounding errors
		375	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		376	weight = weight_adjust_for (op, op->carrying)
		377	- weight_adjust_for (op, op->carrying - weight);
		378
		379	if (!weight)
		380	return;
		381
		382	op->carrying += weight;
		383
		384	if (object *pl = op->visible_to ())
		385	if (pl != op) // player is handled lazily
		386	esrv_update_item (UPD_WEIGHT, pl, op);
		387
		388	op = op->env;
		389	}
		390	}
		391
		392	/*
320	* sum_weight() is a recursive function which calculates the weight	393	* this is a recursive function which calculates the weight
321	* an object is carrying. It goes through in figures out how much	394	* an object is carrying. It goes through op and figures out how much
322	* containers are carrying, and sums it up.	395	* containers are carrying, and sums it up.
323	*/	396	*/
324	long	397	void
325	sum_weight (object *op)	398	object::update_weight ()
326	{	399	{
327	long sum;	400	sint32 sum = 0;
328	object *inv;
329		401
330	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	402	for (object *op = inv; op; op = op->below)
331	{	403	{
332	if (inv->inv)	404	if (op->inv)
333	sum_weight (inv);	405	op->update_weight ();
334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	406
		407	sum += op->total_weight ();
		408	}
		409
		410	sum = weight_adjust_for (this, sum);
		411
		412	if (sum != carrying)
335	}	413	{
336
337	if (op->type == CONTAINER && op->stats.Str)
338	sum = (sum * (100 - op->stats.Str)) / 100;
339
340	if (op->carrying != sum)
341	op->carrying = sum;	414	carrying = sum;
342		415
343	return sum;	416	if (object *pl = visible_to ())
		417	if (pl != this) // player is handled lazily
		418	esrv_update_item (UPD_WEIGHT, pl, this);
		419	}
344	}	420	}
345		421
346	/**	422	/*
347	* Return the outermost environment object for a given object.	423	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
348	*/	424	*/
349
350	object *
351	object_get_env_recursive (object *op)
352	{
353	while (op->env != NULL)
354	op = op->env;
355	return op;
356	}
357
358	/*
359	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
360	* a better check. We basically keeping traversing up until we can't
361	* or find a player.
362	*/
363
364	object *
365	is_player_inv (object *op)
366	{
367	for (; op != NULL && op->type != PLAYER; op = op->env)
368	if (op->env == op)
369	op->env = NULL;
370	return op;
371	}
372
373	/*
374	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
375	* Some error messages.
376	* The result of the dump is stored in the static global errmsg array.
377	*/
378
379	char *	425	char *
380	dump_object (object *op)	426	dump_object (object *op)
381	{	427	{
382	if (!op)	428	if (!op)
383	return strdup ("[NULLOBJ]");	429	return strdup ("[NULLOBJ]");
384		430
385	object_freezer freezer;	431	object_freezer freezer;
386	save_object (freezer, op, 3);	432	op->write (freezer);
387	return freezer.as_string ();	433	return freezer.as_string ();
388	}	434	}
389		435
390	/*	436	/*
391	* get_nearest_part(multi-object, object 2) returns the part of the	437	* get_nearest_part(multi-object, object 2) returns the part of the
392	* multi-object 1 which is closest to the second object.	438	* multi-object 1 which is closest to the second object.
393	* If it's not a multi-object, it is returned.	439	* If it's not a multi-object, it is returned.
394	*/	440	*/
395
396	object *	441	object *
397	get_nearest_part (object *op, const object *pl)	442	get_nearest_part (object *op, const object *pl)
398	{	443	{
399	object *tmp, *closest;	444	object *tmp, *closest;
400	int last_dist, i;	445	int last_dist, i;
401		446
402	if (op->more == NULL)	447	if (!op->more)
403	return op;	448	return op;
		449
404	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	450	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		451	tmp;
		452	tmp = tmp->more)
405	if ((i = distance (tmp, pl)) < last_dist)	453	if ((i = distance (tmp, pl)) < last_dist)
406	closest = tmp, last_dist = i;	454	closest = tmp, last_dist = i;
		455
407	return closest;	456	return closest;
408	}	457	}
409		458
410	/*	459	/*
411	* Returns the object which has the count-variable equal to the argument.	460	* Returns the object which has the count-variable equal to the argument.
		461	* VERRRY slow.
412	*/	462	*/
413
414	object *	463	object *
415	find_object (tag_t i)	464	find_object (tag_t i)
416	{	465	{
417	for (object *op = object::first; op; op = op->next)	466	for_all_objects (op)
418	if (op->count == i)	467	if (op->count == i)
419	return op;	468	return op;
420		469
421	return 0;	470	return 0;
422	}	471	}
423		472
424	/*	473	/*
425	* Returns the first object which has a name equal to the argument.	474	* Returns the first object which has a name equal to the argument.
426	* Used only by the patch command, but not all that useful.	475	* Used only by the patch command, but not all that useful.
427	* Enables features like "patch <name-of-other-player> food 999"	476	* Enables features like "patch <name-of-other-player> food 999"
428	*/	477	*/
429
430	object *	478	object *
431	find_object_name (const char *str)	479	find_object_name (const char *str)
432	{	480	{
433	shstr_cmp str_ (str);	481	shstr_cmp str_ (str);
434	object *op;
435		482
436	for (op = object::first; op != NULL; op = op->next)	483	if (str_)
		484	for_all_objects (op)
437	if (op->name == str_)	485	if (op->name == str_)
438	break;	486	return op;
439		487
440	return op;	488	return 0;
441	}
442
443	void
444	free_all_object_data ()
445	{
446	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
447	}	489	}
448		490
449	/*	491	/*
450	* Sets the owner and sets the skill and exp pointers to owner's current	492	* Sets the owner and sets the skill and exp pointers to owner's current
451	* skill and experience objects.	493	* skill and experience objects.
		494	* ACTUALLY NO! investigate! TODO
452	*/	495	*/
453	void	496	void
454	object::set_owner (object *owner)	497	object::set_owner (object *owner)
455	{	498	{
		499	// allow objects which own objects
456	if (!owner)	500	if (owner)
457	return;
458
459	/* next line added to allow objects which own objects */
460	/* Add a check for ownercounts in here, as I got into an endless loop
461	* with the fireball owning a poison cloud which then owned the
462	* fireball. I believe that was caused by one of the objects getting
463	* freed and then another object replacing it. Since the ownercounts
464	* didn't match, this check is valid and I believe that cause is valid.
465	*/
466	while (owner->owner)	501	while (owner->owner)
467	owner = owner->owner;	502	owner = owner->owner;
		503
		504	if (flag [FLAG_FREED])
		505	{
		506	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		507	return;
		508	}
468		509
469	this->owner = owner;	510	this->owner = owner;
		511	}
		512
		513	int
		514	object::slottype () const
		515	{
		516	if (type == SKILL)
		517	{
		518	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		519	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		520	}
		521	else
		522	{
		523	if (slot [body_combat].info) return slot_combat;
		524	if (slot [body_range ].info) return slot_ranged;
		525	}
		526
		527	return slot_none;
		528	}
		529
		530	bool
		531	object::change_weapon (object *ob)
		532	{
		533	if (current_weapon == ob)
		534	return true;
		535
		536	if (chosen_skill)
		537	chosen_skill->flag [FLAG_APPLIED] = false;
		538
		539	current_weapon = ob;
		540	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		541
		542	if (chosen_skill)
		543	chosen_skill->flag [FLAG_APPLIED] = true;
		544
		545	update_stats ();
		546
		547	if (ob)
		548	{
		549	// now check wether any body locations became invalid, in which case
		550	// we cannot apply the weapon at the moment.
		551	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		552	if (slot[i].used < 0)
		553	{
		554	current_weapon = chosen_skill = 0;
		555	update_stats ();
		556
		557	new_draw_info_format (NDI_UNIQUE, 0, this,
		558	"You try to balance all your items at once, "
		559	"but the %s is just too much for your body. "
		560	"[You need to unapply some items first.]", &ob->name);
		561	return false;
		562	}
		563
		564	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		565	}
		566	else
		567	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		568
		569	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		570	{
		571	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		572	&name, ob->debug_desc ());
		573	return false;
		574	}
		575
		576	return true;
470	}	577	}
471		578
472	/* Zero the key_values on op, decrementing the shared-string	579	/* Zero the key_values on op, decrementing the shared-string
473	* refcounts and freeing the links.	580	* refcounts and freeing the links.
474	*/	581	*/
475	static void	582	static void
476	free_key_values (object *op)	583	free_key_values (object *op)
477	{	584	{
478	for (key_value *i = op->key_values; i != 0;)	585	for (key_value *i = op->key_values; i; )
479	{	586	{
480	key_value *next = i->next;	587	key_value *next = i->next;
481	delete i;	588	delete i;
482		589
483	i = next;	590	i = next;
484	}	591	}
485		592
486	op->key_values = 0;	593	op->key_values = 0;
487	}	594	}
488		595
489	void object::clear ()
490	{
491	attachable_base::clear ();
492
493	free_key_values (this);
494
495	owner = 0;
496	name = 0;
497	name_pl = 0;
498	title = 0;
499	race = 0;
500	slaying = 0;
501	skill = 0;
502	msg = 0;
503	lore = 0;
504	custom_name = 0;
505	materialname = 0;
506	contr = 0;
507	below = 0;
508	above = 0;
509	inv = 0;
510	container = 0;
511	env = 0;
512	more = 0;
513	head = 0;
514	map = 0;
515	active_next = 0;
516	active_prev = 0;
517
518	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
519
520	SET_FLAG (this, FLAG_REMOVED);
521
522	/* What is not cleared is next, prev, and count */
523
524	expmul = 1.0;
525	face = blank_face;
526
527	if (settings.casting_time)
528	casting_time = -1;
529	}
530
531	void object::clone (object *destination)
532	{
533	*(object_copy *)destination = *this;
534	*(object_pod *)destination = *this;
535
536	if (self || cb)
537	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
538	}
539
540	/*	596	/*
541	* copy object first frees everything allocated by the second object,	597	* copy_to first frees everything allocated by the dst object,
542	* and then copies the contends of the first object into the second	598	* and then copies the contents of itself into the second
543	* object, allocating what needs to be allocated. Basically, any	599	* object, allocating what needs to be allocated. Basically, any
544	* data that is malloc'd needs to be re-malloc/copied. Otherwise,	600	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
545	* if the first object is freed, the pointers in the new object	601	* if the first object is freed, the pointers in the new object
546	* will point at garbage.	602	* will point at garbage.
547	*/	603	*/
548	void	604	void
549	copy_object (object *op2, object *op)	605	object::copy_to (object *dst)
550	{	606	{
551	bool is_freed = QUERY_FLAG (op, FLAG_FREED);	607	dst->remove ();
552	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);	608	*(object_copy *)dst = *this;
553		609	dst->flag [FLAG_REMOVED] = true;
554	op2->clone (op);
555
556	if (is_freed)
557	SET_FLAG (op, FLAG_FREED);
558	if (is_removed)
559	SET_FLAG (op, FLAG_REMOVED);
560
561	if (op2->speed < 0)
562	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
563		610
564	/* Copy over key_values, if any. */	611	/* Copy over key_values, if any. */
565	if (op2->key_values)	612	if (key_values)
566	{	613	{
567	key_value *tail = 0;	614	key_value *tail = 0;
568	key_value *i;
569
570	op->key_values = 0;	615	dst->key_values = 0;
571		616
572	for (i = op2->key_values; i; i = i->next)	617	for (key_value *i = key_values; i; i = i->next)
573	{	618	{
574	key_value *new_link = new key_value;	619	key_value *new_link = new key_value;
575		620
576	new_link->next = 0;	621	new_link->next = 0;
577	new_link->key = i->key;	622	new_link->key = i->key;
578	new_link->value = i->value;	623	new_link->value = i->value;
579		624
580	/* Try and be clever here, too. */	625	/* Try and be clever here, too. */
581	if (!op->key_values)	626	if (!dst->key_values)
582	{	627	{
583	op->key_values = new_link;	628	dst->key_values = new_link;
584	tail = new_link;	629	tail = new_link;
585	}	630	}
586	else	631	else
587	{	632	{
588	tail->next = new_link;	633	tail->next = new_link;
589	tail = new_link;	634	tail = new_link;
590	}	635	}
591	}	636	}
592	}	637	}
593		638
594	update_ob_speed (op);	639	if (speed < 0)
		640	dst->speed_left -= rndm ();
		641
		642	dst->activate ();
		643	}
		644
		645	void
		646	object::instantiate ()
		647	{
		648	if (!uuid.seq) // HACK
		649	uuid = UUID::gen ();
		650
		651	speed_left = -0.1f;
		652	/* copy the body_info to the body_used - this is only really
		653	* need for monsters, but doesn't hurt to do it for everything.
		654	* by doing so, when a monster is created, it has good starting
		655	* values for the body_used info, so when items are created
		656	* for it, they can be properly equipped.
		657	*/
		658	for (int i = NUM_BODY_LOCATIONS; i--; )
		659	slot[i].used = slot[i].info;
		660
		661	attachable::instantiate ();
		662	}
		663
		664	object *
		665	object::clone ()
		666	{
		667	object *neu = create ();
		668	copy_to (neu);
		669	neu->map = map; // not copied by copy_to
		670	return neu;
595	}	671	}
596		672
597	/*	673	/*
598	* If an object with the IS_TURNABLE() flag needs to be turned due	674	* If an object with the IS_TURNABLE() flag needs to be turned due
599	* to the closest player being on the other side, this function can	675	* to the closest player being on the other side, this function can
600	* be called to update the face variable, _and_ how it looks on the map.	676	* be called to update the face variable, _and_ how it looks on the map.
601	*/	677	*/
602
603	void	678	void
604	update_turn_face (object *op)	679	update_turn_face (object *op)
605	{	680	{
606	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	681	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
607	return;	682	return;
		683
608	SET_ANIMATION (op, op->direction);	684	SET_ANIMATION (op, op->direction);
609	update_object (op, UP_OBJ_FACE);	685	update_object (op, UP_OBJ_FACE);
610	}	686	}
611		687
612	/*	688	/*
613	* Updates the speed of an object. If the speed changes from 0 to another	689	* Updates the speed of an object. If the speed changes from 0 to another
614	* value, or vice versa, then add/remove the object from the active list.	690	* value, or vice versa, then add/remove the object from the active list.
615	* This function needs to be called whenever the speed of an object changes.	691	* This function needs to be called whenever the speed of an object changes.
616	*/	692	*/
617	void	693	void
618	update_ob_speed (object *op)	694	object::set_speed (float speed)
619	{	695	{
620	extern int arch_init;	696	if (flag [FLAG_FREED] && speed)
621
622	/* No reason putting the archetypes objects on the speed list,
623	* since they never really need to be updated.
624	*/
625
626	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
627	{	697	{
628	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	698	LOG (llevError, "Object %s is freed but has speed.\n", &name);
629	#ifdef MANY_CORES
630	abort ();
631	#else
632	op->speed = 0;	699	speed = 0;
633	#endif
634	}
635
636	if (arch_init)
637	return;
638
639	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
640	{	700	}
641	/* If already on active list, don't do anything */
642	if (op->active_next || op->active_prev || op == active_objects)
643	return;
644		701
645	/* process_events() expects us to insert the object at the beginning	702	this->speed = speed;
646	* of the list. */
647	op->active_next = active_objects;
648		703
649	if (op->active_next != NULL)	704	if (has_active_speed ())
650	op->active_next->active_prev = op;	705	activate ();
651
652	active_objects = op;
653	}
654	else	706	else
655	{	707	deactivate ();
656	/* If not on the active list, nothing needs to be done */
657	if (!op->active_next && !op->active_prev && op != active_objects)
658	return;
659
660	if (op->active_prev == NULL)
661	{
662	active_objects = op->active_next;
663
664	if (op->active_next != NULL)
665	op->active_next->active_prev = NULL;
666	}
667	else
668	{
669	op->active_prev->active_next = op->active_next;
670
671	if (op->active_next)
672	op->active_next->active_prev = op->active_prev;
673	}
674
675	op->active_next = NULL;
676	op->active_prev = NULL;
677	}
678	}	708	}
679		709
680	/* This function removes object 'op' from the list of active
681	* objects.
682	* This should only be used for style maps or other such
683	* reference maps where you don't want an object that isn't
684	* in play chewing up cpu time getting processed.
685	* The reverse of this is to call update_ob_speed, which
686	* will do the right thing based on the speed of the object.
687	*/
688	void
689	remove_from_active_list (object *op)
690	{
691	/* If not on the active list, nothing needs to be done */
692	if (!op->active_next && !op->active_prev && op != active_objects)
693	return;
694
695	if (op->active_prev == NULL)
696	{
697	active_objects = op->active_next;
698	if (op->active_next != NULL)
699	op->active_next->active_prev = NULL;
700	}
701	else
702	{
703	op->active_prev->active_next = op->active_next;
704	if (op->active_next)
705	op->active_next->active_prev = op->active_prev;
706	}
707	op->active_next = NULL;
708	op->active_prev = NULL;
709	}
710
711	/*	710	/*
712	* update_object() updates the array which represents the map.	711	* update_object() updates the the map.
713	* It takes into account invisible objects (and represent squares covered	712	* It takes into account invisible objects (and represent squares covered
714	* by invisible objects by whatever is below them (unless it's another	713	* by invisible objects by whatever is below them (unless it's another
715	* invisible object, etc...)	714	* invisible object, etc...)
716	* If the object being updated is beneath a player, the look-window	715	* If the object being updated is beneath a player, the look-window
717	* of that player is updated (this might be a suboptimal way of	716	* of that player is updated (this might be a suboptimal way of
718	* updating that window, though, since update_object() is called _often_)	717	* updating that window, though, since update_object() is called _often_)
719	*	718	*
720	* action is a hint of what the caller believes need to be done.	719	* action is a hint of what the caller believes need to be done.
721	* For example, if the only thing that has changed is the face (due to
722	* an animation), we don't need to call update_position until that actually
723	* comes into view of a player. OTOH, many other things, like addition/removal
724	* of walls or living creatures may need us to update the flags now.
725	* current action are:	720	* current action are:
726	* UP_OBJ_INSERT: op was inserted	721	* UP_OBJ_INSERT: op was inserted
727	* UP_OBJ_REMOVE: op was removed	722	* UP_OBJ_REMOVE: op was removed
728	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	723	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
729	* as that is easier than trying to look at what may have changed.	724	* as that is easier than trying to look at what may have changed.
730	* UP_OBJ_FACE: only the objects face has changed.	725	* UP_OBJ_FACE: only the objects face has changed.
731	*/	726	*/
732
733	void	727	void
734	update_object (object *op, int action)	728	update_object (object *op, int action)
735	{	729	{
736	int update_now = 0, flags;	730	if (!op)
737	MoveType move_on, move_off, move_block, move_slow;
738
739	if (op == NULL)
740	{	731	{
741	/* this should never happen */	732	/* this should never happen */
742	LOG (llevDebug, "update_object() called for NULL object.\n");	733	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
743	return;	734	return;
744	}	735	}
745		736
746	if (op->env != NULL)	737	if (!op->is_on_map ())
747	{	738	{
748	/* Animation is currently handled by client, so nothing	739	/* Animation is currently handled by client, so nothing
749	* to do in this case.	740	* to do in this case.
750	*/	741	*/
751	return;	742	return;
752	}	743	}
753		744
754	/* If the map is saving, don't do anything as everything is
755	* going to get freed anyways.
756	*/
757	if (!op->map || op->map->in_memory == MAP_SAVING)
758	return;
759
760	/* make sure the object is within map boundaries */	745	/* make sure the object is within map boundaries */
761	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	746	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
762	{	747	{
763	LOG (llevError, "update_object() called for object out of map!\n");	748	LOG (llevError, "update_object() called for object out of map!\n");
764	#ifdef MANY_CORES	749	#ifdef MANY_CORES
765	abort ();	750	abort ();
766	#endif	751	#endif
767	return;	752	return;
768	}	753	}
769		754
770	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	755	mapspace &m = op->ms ();
771	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
772	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
773	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
774	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
775	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
776		756
		757	if (!(m.flags_ & P_UPTODATE))
		758	/* nop */;
777	if (action == UP_OBJ_INSERT)	759	else if (action == UP_OBJ_INSERT)
778	{	760	{
		761	// this is likely overkill, TODO: revisit (schmorp)
779	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	762	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
780	update_now = 1;
781
782	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	763	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
783	update_now = 1;	764	|| (op->is_player () && !(m.flags_ & P_PLAYER))
784		765	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		766	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
785	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	767	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
786	update_now = 1;
787
788	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
789	update_now = 1;
790
791	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
792	update_now = 1;
793
794	if ((move_on | op->move_on) != move_on)	768	|| (m.move_on | op->move_on ) != m.move_on
795	update_now = 1;
796
797	if ((move_off | op->move_off) != move_off)	769	|| (m.move_off | op->move_off ) != m.move_off
798	update_now = 1;	770	|| (m.move_slow | op->move_slow) != m.move_slow
799
800	/* This isn't perfect, but I don't expect a lot of objects to	771	/* This isn't perfect, but I don't expect a lot of objects to
801	* to have move_allow right now.	772	* have move_allow right now.
802	*/	773	*/
803	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	774	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
804	update_now = 1;	775	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
805		776	m.invalidate ();
806	if ((move_slow | op->move_slow) != move_slow)
807	update_now = 1;
808	}	777	}
809	/* if the object is being removed, we can't make intelligent	778	/* if the object is being removed, we can't make intelligent
810	* decisions, because remove_ob can't really pass the object	779	* decisions, because remove_ob can't really pass the object
811	* that is being removed.	780	* that is being removed.
812	*/	781	*/
813	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	782	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
814	update_now = 1;	783	m.invalidate ();
815	else if (action == UP_OBJ_FACE)	784	else if (action == UP_OBJ_FACE)
816	/* Nothing to do for that case */ ;	785	/* Nothing to do for that case */ ;
817	else	786	else
818	LOG (llevError, "update_object called with invalid action: %d\n", action);	787	LOG (llevError, "update_object called with invalid action: %d\n", action);
819		788
820	if (update_now)
821	{
822	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
823	update_position (op->map, op->x, op->y);
824	}
825
826	if (op->more != NULL)	789	if (op->more)
827	update_object (op->more, action);	790	update_object (op->more, action);
828	}
829
830	object::vector object::mortals;
831	object::vector object::objects; // not yet used
832	object *object::first;
833
834	void object::free_mortals ()
835	{
836	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
837	if ((*i)->refcnt)
838	++i; // further delay freeing
839	else
840	{
841	delete *i;
842	mortals.erase (i);
843	}
844
845	static int lastmortals = 0;//D
846
847	if (mortals.size() != lastmortals && lastmortals > 100)//D
848	{
849	lastmortals = mortals.size ();//D
850	LOG (llevDebug, "%d objects in mortal queue\n", lastmortals);//D
851	}
852	}	791	}
853		792
854	object::object ()	793	object::object ()
855	{	794	{
856	SET_FLAG (this, FLAG_REMOVED);	795	SET_FLAG (this, FLAG_REMOVED);
…		…
859	face = blank_face;	798	face = blank_face;
860	}	799	}
861		800
862	object::~object ()	801	object::~object ()
863	{	802	{
		803	unlink ();
		804
864	free_key_values (this);	805	free_key_values (this);
865	}	806	}
866		807
		808	static int object_count;
		809
867	void object::link ()	810	void object::link ()
868	{	811	{
		812	assert (!index);//D
		813	uuid = UUID::gen ();
869	count = ++ob_count;	814	count = ++object_count;
870	uuid = gen_uuid ();
871		815
872	prev = 0;	816	refcnt_inc ();
873	next = object::first;	817	objects.insert (this);
874
875	if (object::first)
876	object::first->prev = this;
877
878	object::first = this;
879	}	818	}
880		819
881	void object::unlink ()	820	void object::unlink ()
882	{	821	{
883	if (this == object::first)	822	if (!index)
884	object::first = next;	823	return;
885		824
886	/* Remove this object from the list of used objects */	825	objects.erase (this);
887	if (prev) prev->next = next;	826	refcnt_dec ();
888	if (next) next->prev = prev;	827	}
889		828
890	prev = 0;	829	void
891	next = 0;	830	object::activate ()
		831	{
		832	/* If already on active list, don't do anything */
		833	if (active)
		834	return;
		835
		836	if (has_active_speed () && flag [FLAG_FREED]) LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		837	if (has_active_speed () && flag [FLAG_DEBUG]) LOG (llevError | logBacktrace, "BUG: tried to activate DEBUG object %s\n", debug_desc ());//D temp
		838
		839	if (has_active_speed ())
		840	actives.insert (this);
		841	}
		842
		843	void
		844	object::activate_recursive ()
		845	{
		846	activate ();
		847
		848	for (object *op = inv; op; op = op->below)
		849	op->activate_recursive ();
		850	}
		851
		852	/* This function removes object 'op' from the list of active
		853	* objects.
		854	* This should only be used for style maps or other such
		855	* reference maps where you don't want an object that isn't
		856	* in play chewing up cpu time getting processed.
		857	* The reverse of this is to call update_ob_speed, which
		858	* will do the right thing based on the speed of the object.
		859	*/
		860	void
		861	object::deactivate ()
		862	{
		863	/* If not on the active list, nothing needs to be done */
		864	if (!active)
		865	return;
		866
		867	actives.erase (this);
		868	}
		869
		870	void
		871	object::deactivate_recursive ()
		872	{
		873	for (object *op = inv; op; op = op->below)
		874	op->deactivate_recursive ();
		875
		876	deactivate ();
		877	}
		878
		879	void
		880	object::set_flag_inv (int flag, int value)
		881	{
		882	for (object *op = inv; op; op = op->below)
		883	{
		884	op->flag [flag] = value;
		885	op->set_flag_inv (flag, value);
		886	}
		887	}
		888
		889	/*
		890	* Remove and free all objects in the inventory of the given object.
		891	* object.c ?
		892	*/
		893	void
		894	object::destroy_inv (bool drop_to_ground)
		895	{
		896	// need to check first, because the checks below might segfault
		897	// as we might be on an invalid mapspace and crossfire code
		898	// is too buggy to ensure that the inventory is empty.
		899	// corollary: if you create arrows etc. with stuff in its inventory,
		900	// cf will crash below with off-map x and y
		901	if (!inv)
		902	return;
		903
		904	/* Only if the space blocks everything do we not process -
		905	* if some form of movement is allowed, let objects
		906	* drop on that space.
		907	*/
		908	if (!drop_to_ground
		909	|| !map
		910	|| map->in_memory != MAP_ACTIVE
		911	|| map->no_drop
		912	|| ms ().move_block == MOVE_ALL)
		913	{
		914	while (inv)
		915	inv->destroy ();
		916	}
		917	else
		918	{ /* Put objects in inventory onto this space */
		919	while (inv)
		920	{
		921	object *op = inv;
		922
		923	if (op->flag [FLAG_STARTEQUIP]
		924	|| op->flag [FLAG_NO_DROP]
		925	|| op->type == RUNE
		926	|| op->type == TRAP
		927	|| op->flag [FLAG_IS_A_TEMPLATE]
		928	|| op->flag [FLAG_DESTROY_ON_DEATH])
		929	op->destroy ();
		930	else
		931	map->insert (op, x, y);
		932	}
		933	}
892	}	934	}
893		935
894	object *object::create ()	936	object *object::create ()
895	{	937	{
896	object *op = new object;	938	object *op = new object;
897	op->link ();	939	op->link ();
898	return op;	940	return op;
899	}	941	}
900		942
901	/*	943	static struct freed_map : maptile
902	* free_object() frees everything allocated by an object, removes
903	* it from the list of used objects, and puts it on the list of
904	* free objects. The IS_FREED() flag is set in the object.
905	* The object must have been removed by remove_ob() first for
906	* this function to succeed.
907	*
908	* If destroy_inventory is set, free inventory as well. Else drop items in
909	* inventory to the ground.
910	*/
911	void object::destroy (bool destroy_inventory)
912	{	944	{
913	if (QUERY_FLAG (this, FLAG_FREED))	945	freed_map ()
		946	{
		947	path = "<freed objects map>";
		948	name = "/internal/freed_objects_map";
		949	width = 3;
		950	height = 3;
		951	no_drop = 1;
		952	no_reset = 1;
		953
		954	alloc ();
		955	in_memory = MAP_ACTIVE;
		956	}
		957
		958	~freed_map ()
		959	{
		960	destroy ();
		961	}
		962	} freed_map; // freed objects are moved here to avoid crashes
		963
		964	void
		965	object::do_destroy ()
		966	{
		967	if (flag [FLAG_IS_LINKED])
		968	remove_button_link (this);
		969
		970	if (flag [FLAG_FRIENDLY])
		971	remove_friendly_object (this);
		972
		973	remove ();
		974
		975	attachable::do_destroy ();
		976
		977	deactivate ();
		978	unlink ();
		979
		980	flag [FLAG_FREED] = 1;
		981
		982	// hack to ensure that freed objects still have a valid map
		983	map = &freed_map;
		984	x = 1;
		985	y = 1;
		986
		987	if (more)
		988	{
		989	more->destroy ();
		990	more = 0;
		991	}
		992
		993	head = 0;
		994
		995	// clear those pointers that likely might cause circular references
		996	owner = 0;
		997	enemy = 0;
		998	attacked_by = 0;
		999	current_weapon = 0;
		1000	}
		1001
		1002	void
		1003	object::destroy ()
		1004	{
		1005	if (destroyed ())
914	return;	1006	return;
915		1007
916	if (QUERY_FLAG (this, FLAG_FRIENDLY))	1008	if (!is_head () && !head->destroyed ())
917	remove_friendly_object (this);
918
919	if (!QUERY_FLAG (this, FLAG_REMOVED))
920	remove_ob (this);
921
922	SET_FLAG (this, FLAG_FREED);
923
924	if (more)
925	{
926	more->destroy (destroy_inventory);
927	more = 0;
928	}	1009	{
929		1010	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
930	if (inv)	1011	head->destroy ();
		1012	return;
931	{	1013	}
932	/* Only if the space blocks everything do we not process -
933	* if some form of movement is allowed, let objects
934	* drop on that space.
935	*/
936	if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
937	{
938	object *op = inv;
939		1014
940	while (op)	1015	destroy_inv (false);
941	{
942	object *tmp = op->below;
943	op->destroy (destroy_inventory);
944	op = tmp;
945	}
946	}
947	else
948	{ /* Put objects in inventory onto this space */
949	object *op = inv;
950		1016
951	while (op)	1017	if (is_head ())
952	{	1018	if (sound_destroy)
953	object *tmp = op->below;	1019	play_sound (sound_destroy);
		1020	else if (flag [FLAG_MONSTER])
		1021	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
954		1022
955	remove_ob (op);	1023	attachable::destroy ();
956
957	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
958	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
959	free_object (op);
960	else
961	{
962	op->x = x;
963	op->y = y;
964	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
965	}
966
967	op = tmp;
968	}
969	}
970	}
971
972	// clear those pointers that likely might have circular references to us
973	owner = 0;
974	enemy = 0;
975	attacked_by = 0;
976
977	// only relevant for players(?), but make sure of it anyways
978	contr = 0;
979
980	/* Remove object from the active list */
981	speed = 0;
982	update_ob_speed (this);
983
984	unlink ();
985
986	mortals.push_back (this);
987	}	1024	}
988		1025
989	/*	1026	/* op->remove ():
990	* sub_weight() recursively (outwards) subtracts a number from the
991	* weight of an object (and what is carried by it's environment(s)).
992	*/
993
994	void
995	sub_weight (object *op, signed long weight)
996	{
997	while (op != NULL)
998	{
999	if (op->type == CONTAINER)
1000	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1001
1002	op->carrying -= weight;
1003	op = op->env;
1004	}
1005	}
1006
1007	/* remove_ob(op):
1008	* This function removes the object op from the linked list of objects	1027	* This function removes the object op from the linked list of objects
1009	* which it is currently tied to. When this function is done, the	1028	* which it is currently tied to. When this function is done, the
1010	* object will have no environment. If the object previously had an	1029	* object will have no environment. If the object previously had an
1011	* environment, the x and y coordinates will be updated to	1030	* environment, the x and y coordinates will be updated to
1012	* the previous environment.	1031	* the previous environment.
1013	* Beware: This function is called from the editor as well!
1014	*/	1032	*/
1015
1016	void	1033	void
1017	remove_ob (object *op)	1034	object::do_remove ()
1018	{	1035	{
1019	object *tmp, *last = 0;	1036	object *tmp, *last = 0;
1020	object *otmp;	1037	object *otmp;
1021		1038
1022	int check_walk_off;	1039	if (flag [FLAG_REMOVED])
1023	maptile *m;
1024
1025	sint16 x, y;
1026
1027	if (QUERY_FLAG (op, FLAG_REMOVED))
1028	return;	1040	return;
1029		1041
1030	SET_FLAG (op, FLAG_REMOVED);	1042	INVOKE_OBJECT (REMOVE, this);
1031		1043
1032	if (op->more != NULL)	1044	flag [FLAG_REMOVED] = true;
1033	remove_ob (op->more);	1045
		1046	if (more)
		1047	more->remove ();
1034		1048
1035	/*	1049	/*
1036	* In this case, the object to be removed is in someones	1050	* In this case, the object to be removed is in someones
1037	* inventory.	1051	* inventory.
1038	*/	1052	*/
1039	if (op->env != NULL)	1053	if (env)
1040	{	1054	{
1041	if (op->nrof)	1055	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1042	sub_weight (op->env, op->weight * op->nrof);	1056	if (object *pl = visible_to ())
1043	else	1057	esrv_del_item (pl->contr, count);
1044	sub_weight (op->env, op->weight + op->carrying);	1058	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1059
		1060	adjust_weight (env, -total_weight ());
		1061
		1062	object *pl = in_player ();
		1063
		1064	/* we set up values so that it could be inserted into
		1065	* the map, but we don't actually do that - it is up
		1066	* to the caller to decide what we want to do.
		1067	*/
		1068	map = env->map;
		1069	x = env->x;
		1070	y = env->y;
		1071
		1072	// make sure cmov optimisation is applicable
		1073	*(above ? &above->below : &env->inv) = below;
		1074	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1075
		1076	above = 0;
		1077	below = 0;
		1078	env = 0;
1045		1079
1046	/* NO_FIX_PLAYER is set when a great many changes are being	1080	/* NO_FIX_PLAYER is set when a great many changes are being
1047	* made to players inventory. If set, avoiding the call	1081	* made to players inventory. If set, avoiding the call
1048	* to save cpu time.	1082	* to save cpu time.
1049	*/	1083	*/
1050	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1084	if (pl)
1051	fix_player (otmp);	1085	if (pl->is_player () && (glow_radius || !QUERY_FLAG (pl, FLAG_NO_FIX_PLAYER)))
		1086	{
		1087	pl->update_stats ();
1052		1088
1053	if (op->above != NULL)	1089	if (glow_radius && pl->is_on_map ())
1054	op->above->below = op->below;	1090	update_all_los (pl->map, pl->x, pl->y);
1055	else	1091	}
1056	op->env->inv = op->below;
1057
1058	if (op->below != NULL)
1059	op->below->above = op->above;
1060
1061	/* we set up values so that it could be inserted into
1062	* the map, but we don't actually do that - it is up
1063	* to the caller to decide what we want to do.
1064	*/
1065	op->x = op->env->x, op->y = op->env->y;
1066	op->map = op->env->map;
1067	op->above = NULL, op->below = NULL;
1068	op->env = NULL;
1069	}	1092	}
1070	else if (op->map)	1093	else if (map)
1071	{	1094	{
1072	x = op->x;	1095	map->dirty = true;
1073	y = op->y;	1096	mapspace &ms = this->ms ();
1074	m = get_map_from_coord (op->map, &x, &y);
1075		1097
1076	if (!m)	1098	if (object *pl = ms.player ())
1077	{	1099	{
1078	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",	1100	if (is_player ())
1079	op->map->path, op->x, op->y);
1080	/* in old days, we used to set x and y to 0 and continue.
1081	* it seems if we get into this case, something is probablye
1082	* screwed up and should be fixed.
1083	*/	1101	{
1084	abort ();	1102	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1103
		1104	// leaving a spot always closes any open container on the ground
		1105	if (container && !container->env)
		1106	// this causes spurious floorbox updates, but it ensures
		1107	// that the CLOSE event is being sent.
		1108	close_container ();
		1109
		1110	--map->players;
		1111	map->touch ();
		1112	}
		1113	else if (pl->container == this)
		1114	{
		1115	// removing a container should close it
		1116	close_container ();
		1117	}
		1118
		1119	esrv_del_item (pl->contr, count);
1085	}	1120	}
1086		1121
1087	if (op->map != m)
1088	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1089	op->map->path, m->path, op->x, op->y, x, y);
1090
1091	/* Re did the following section of code - it looks like it had
1092	* lots of logic for things we no longer care about
1093	*/
1094
1095	/* link the object above us */	1122	/* link the object above us */
1096	if (op->above)	1123	// re-link, make sure compiler can easily use cmove
1097	op->above->below = op->below;	1124	*(above ? &above->below : &ms.top) = below;
1098	else	1125	*(below ? &below->above : &ms.bot) = above;
1099	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */
1100		1126
1101	/* Relink the object below us, if there is one */	1127	above = 0;
1102	if (op->below)	1128	below = 0;
1103	op->below->above = op->above;	1129
1104	else	1130	ms.invalidate ();
		1131
		1132	if (map->in_memory == MAP_SAVING)
		1133	return;
		1134
		1135	int check_walk_off = !flag [FLAG_NO_APPLY];
		1136
		1137	if (object *pl = ms.player ())
1105	{	1138	{
1106	/* Nothing below, which means we need to relink map object for this space	1139	if (pl->container == this)
1107	* use translated coordinates in case some oddness with map tiling is	1140	/* If a container that the player is currently using somehow gets
1108	* evident	1141	* removed (most likely destroyed), update the player view
		1142	* appropriately.
1109	*/	1143	*/
1110	if (GET_MAP_OB (m, x, y) != op)	1144	pl->close_container ();
1111	{
1112	char *dump = dump_object (op);
1113	LOG (llevError,
1114	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);
1115	free (dump);
1116	dump = dump_object (GET_MAP_OB (m, x, y));
1117	LOG (llevError, "%s\n", dump);
1118	free (dump);
1119	}
1120		1145
1121	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */	1146	//TODO: the floorbox prev/next might need updating
		1147	//esrv_del_item (pl->contr, count);
		1148	//TODO: update floorbox to preserve ordering
		1149	if (pl->contr->ns)
		1150	pl->contr->ns->floorbox_update ();
1122	}	1151	}
1123		1152
1124	op->above = 0;	1153	for (tmp = ms.bot; tmp; tmp = tmp->above)
1125	op->below = 0;
1126
1127	if (op->map->in_memory == MAP_SAVING)
1128	return;
1129
1130	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1131
1132	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1133	{	1154	{
1134	/* No point updating the players look faces if he is the object	1155	/* No point updating the players look faces if he is the object
1135	* being removed.	1156	* being removed.
1136	*/	1157	*/
1137		1158
1138	if (tmp->type == PLAYER && tmp != op)	1159	/* See if object moving off should effect something */
		1160	if (check_walk_off
		1161	&& ((move_type & tmp->move_off)
		1162	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1139	{	1163	{
1140	/* If a container that the player is currently using somehow gets
1141	* removed (most likely destroyed), update the player view
1142	* appropriately.
1143	*/
1144	if (tmp->container == op)
1145	{
1146	CLEAR_FLAG (op, FLAG_APPLIED);
1147	tmp->container = NULL;
1148	}
1149
1150	tmp->contr->socket.update_look = 1;
1151	}
1152
1153	/* See if player moving off should effect something */
1154	if (check_walk_off
1155	&& ((op->move_type & tmp->move_off)
1156	&& (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1157	{
1158	move_apply (tmp, op, NULL);	1164	move_apply (tmp, this, 0);
1159		1165
1160	if (op->destroyed ())	1166	if (destroyed ())
1161	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1167	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1162	}	1168	}
1163		1169
1164	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1165
1166	if (tmp->above == tmp)
1167	tmp->above = NULL;
1168
1169	last = tmp;	1170	last = tmp;
1170	}	1171	}
1171		1172
1172	/* last == NULL of there are no objects on this space */	1173	if (affects_los ())
1173	if (last == NULL)
1174	{
1175	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1176	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1177	* those out anyways, and if there are any flags set right now, they won't
1178	* be correct anyways.
1179	*/
1180	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1181	update_position (op->map, op->x, op->y);
1182	}
1183	else
1184	update_object (last, UP_OBJ_REMOVE);
1185
1186	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))
1187	update_all_los (op->map, op->x, op->y);	1174	update_all_los (map, x, y);
1188	}	1175	}
1189	}	1176	}
1190		1177
1191	/*	1178	/*
1192	* merge_ob(op,top):	1179	* merge_ob(op,top):
…		…
1200	merge_ob (object *op, object *top)	1187	merge_ob (object *op, object *top)
1201	{	1188	{
1202	if (!op->nrof)	1189	if (!op->nrof)
1203	return 0;	1190	return 0;
1204		1191
1205	if (top == NULL)	1192	if (!top)
1206	for (top = op; top != NULL && top->above != NULL; top = top->above);	1193	for (top = op; top && top->above; top = top->above)
		1194	;
1207		1195
1208	for (; top != NULL; top = top->below)	1196	for (; top; top = top->below)
1209	{	1197	if (object::can_merge (op, top))
1210	if (top == op)
1211	continue;
1212	if (CAN_MERGE (op, top))
1213	{	1198	{
1214	top->nrof += op->nrof;	1199	top->nrof += op->nrof;
1215		1200
1216	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1201	if (object *pl = top->visible_to ())
1217	op->weight = 0; /* Don't want any adjustements now */	1202	esrv_update_item (UPD_NROF, pl, top);
1218	remove_ob (op);	1203
1219	free_object (op);	1204	op->weight = 0; // cancel the addition above
		1205	op->carrying = 0; // must be 0 already
		1206
		1207	op->destroy ();
		1208
1220	return top;	1209	return top;
1221	}	1210	}
1222	}
1223		1211
1224	return 0;	1212	return 0;
1225	}	1213	}
1226		1214
		1215	void
		1216	object::expand_tail ()
		1217	{
		1218	if (more)
		1219	return;
		1220
		1221	object *prev = this;
		1222
		1223	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1224	{
		1225	object *op = arch_to_object (at);
		1226
		1227	op->name = name;
		1228	op->name_pl = name_pl;
		1229	op->title = title;
		1230
		1231	op->head = this;
		1232	prev->more = op;
		1233
		1234	prev = op;
		1235	}
		1236	}
		1237
1227	/*	1238	/*
1228	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1239	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1229	* job preparing multi-part monsters	1240	* job preparing multi-part monsters.
1230	*/	1241	*/
1231	object *	1242	object *
1232	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1243	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1233	{	1244	{
1234	object *tmp;	1245	op->remove ();
1235		1246
1236	if (op->head)
1237	op = op->head;
1238
1239	for (tmp = op; tmp; tmp = tmp->more)	1247	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1240	{	1248	{
1241	tmp->x = x + tmp->arch->clone.x;	1249	tmp->x = x + tmp->arch->x;
1242	tmp->y = y + tmp->arch->clone.y;	1250	tmp->y = y + tmp->arch->y;
1243	}	1251	}
1244		1252
1245	return insert_ob_in_map (op, m, originator, flag);	1253	return insert_ob_in_map (op, m, originator, flag);
1246	}	1254	}
1247		1255
…		…
1263	* Return value:	1271	* Return value:
1264	* new object if 'op' was merged with other object	1272	* new object if 'op' was merged with other object
1265	* NULL if 'op' was destroyed	1273	* NULL if 'op' was destroyed
1266	* just 'op' otherwise	1274	* just 'op' otherwise
1267	*/	1275	*/
1268
1269	object *	1276	object *
1270	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1277	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1271	{	1278	{
1272	object *tmp, *top, *floor = NULL;	1279	op->remove ();
1273	sint16 x, y;
1274		1280
1275	if (QUERY_FLAG (op, FLAG_FREED))	1281	if (m == &freed_map)//D TODO: remove soon
1276	{	1282	{//D
1277	LOG (llevError, "Trying to insert freed object!\n");	1283	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1278	return NULL;
1279	}	1284	}//D
1280
1281	if (m == NULL)
1282	{
1283	char *dump = dump_object (op);
1284	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1285	free (dump);
1286	return op;
1287	}
1288
1289	if (out_of_map (m, op->x, op->y))
1290	{
1291	char *dump = dump_object (op);
1292	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1293	#ifdef MANY_CORES
1294	/* Better to catch this here, as otherwise the next use of this object
1295	* is likely to cause a crash. Better to find out where it is getting
1296	* improperly inserted.
1297	*/
1298	abort ();
1299	#endif
1300	free (dump);
1301	return op;
1302	}
1303
1304	if (!QUERY_FLAG (op, FLAG_REMOVED))
1305	{
1306	char *dump = dump_object (op);
1307	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1308	free (dump);
1309	return op;
1310	}
1311
1312	if (op->more != NULL)
1313	{
1314	/* The part may be on a different map. */
1315
1316	object *more = op->more;
1317
1318	/* We really need the caller to normalize coordinates - if
1319	* we set the map, that doesn't work if the location is within
1320	* a map and this is straddling an edge. So only if coordinate
1321	* is clear wrong do we normalize it.
1322	*/
1323	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1324	more->map = get_map_from_coord (m, &more->x, &more->y);
1325	else if (!more->map)
1326	{
1327	/* For backwards compatibility - when not dealing with tiled maps,
1328	* more->map should always point to the parent.
1329	*/
1330	more->map = m;
1331	}
1332
1333	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1334	{
1335	if (!op->head)
1336	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1337
1338	return NULL;
1339	}
1340	}
1341
1342	CLEAR_FLAG (op, FLAG_REMOVED);
1343		1285
1344	/* Ideally, the caller figures this out. However, it complicates a lot	1286	/* Ideally, the caller figures this out. However, it complicates a lot
1345	* of areas of callers (eg, anything that uses find_free_spot would now	1287	* of areas of callers (eg, anything that uses find_free_spot would now
1346	* need extra work	1288	* need extra work
1347	*/	1289	*/
1348	op->map = get_map_from_coord (m, &op->x, &op->y);	1290	if (!xy_normalise (m, op->x, op->y))
1349	x = op->x;	1291	{
1350	y = op->y;	1292	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
		1293	return 0;
		1294	}
		1295
		1296	if (object *more = op->more)
		1297	if (!insert_ob_in_map (more, m, originator, flag))
		1298	return 0;
		1299
		1300	CLEAR_FLAG (op, FLAG_REMOVED);
		1301
		1302	op->map = m;
		1303	mapspace &ms = op->ms ();
1351		1304
1352	/* this has to be done after we translate the coordinates.	1305	/* this has to be done after we translate the coordinates.
1353	*/	1306	*/
1354	if (op->nrof && !(flag & INS_NO_MERGE))	1307	if (op->nrof && !(flag & INS_NO_MERGE))
1355	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1308	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1356	if (CAN_MERGE (op, tmp))	1309	if (object::can_merge (op, tmp))
1357	{	1310	{
		1311	// TODO: we actually want to update tmp, not op,
		1312	// but some caller surely breaks when we return tmp
		1313	// from here :/
1358	op->nrof += tmp->nrof;	1314	op->nrof += tmp->nrof;
1359	remove_ob (tmp);	1315	tmp->destroy ();
1360	free_object (tmp);
1361	}	1316	}
1362		1317
1363	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1318	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1364	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1319	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1365		1320
…		…
1372	{	1327	{
1373	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1328	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1374	abort ();	1329	abort ();
1375	}	1330	}
1376		1331
		1332	if (!originator->is_on_map ())
		1333	LOG (llevDebug | logBacktrace, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1334	op->debug_desc (), originator->debug_desc ());
		1335
1377	op->above = originator;	1336	op->above = originator;
1378	op->below = originator->below;	1337	op->below = originator->below;
1379
1380	if (op->below)
1381	op->below->above = op;
1382	else
1383	SET_MAP_OB (op->map, op->x, op->y, op);
1384
1385	/* since *below* originator, no need to update top */
1386	originator->below = op;	1338	originator->below = op;
		1339
		1340	*(op->below ? &op->below->above : &ms.bot) = op;
1387	}	1341	}
1388	else	1342	else
1389	{	1343	{
		1344	object *floor = 0;
		1345	object *top = ms.top;
		1346
1390	/* If there are other objects, then */	1347	/* If there are other objects, then */
1391	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1348	if (top)
1392	{	1349	{
1393	object *last = NULL;
1394
1395	/*	1350	/*
1396	* If there are multiple objects on this space, we do some trickier handling.	1351	* If there are multiple objects on this space, we do some trickier handling.
1397	* We've already dealt with merging if appropriate.	1352	* We've already dealt with merging if appropriate.
1398	* Generally, we want to put the new object on top. But if	1353	* Generally, we want to put the new object on top. But if
1399	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1354	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1402	* once we get to them. This reduces the need to traverse over all of	1357	* once we get to them. This reduces the need to traverse over all of
1403	* them when adding another one - this saves quite a bit of cpu time	1358	* them when adding another one - this saves quite a bit of cpu time
1404	* when lots of spells are cast in one area. Currently, it is presumed	1359	* when lots of spells are cast in one area. Currently, it is presumed
1405	* that flying non pickable objects are spell objects.	1360	* that flying non pickable objects are spell objects.
1406	*/	1361	*/
1407		1362	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1408	while (top != NULL)
1409	{	1363	{
1410	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1364	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1411	floor = top;	1365	floor = tmp;
1412		1366
1413	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1367	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1414	{	1368	{
1415	/* We insert above top, so we want this object below this */	1369	/* We insert above top, so we want this object below this */
1416	top = top->below;	1370	top = tmp->below;
1417	break;	1371	break;
1418	}	1372	}
1419		1373
1420	last = top;
1421	top = top->above;	1374	top = tmp;
1422	}	1375	}
1423
1424	/* Don't want top to be NULL, so set it to the last valid object */
1425	top = last;
1426		1376
1427	/* We let update_position deal with figuring out what the space	1377	/* We let update_position deal with figuring out what the space
1428	* looks like instead of lots of conditions here.	1378	* looks like instead of lots of conditions here.
1429	* makes things faster, and effectively the same result.	1379	* makes things faster, and effectively the same result.
1430	*/	1380	*/
1431		1381
1432	/* Have object 'fall below' other objects that block view.	1382	/* Have object 'fall below' other objects that block view.
1433	* Unless those objects are exits, type 66	1383	* Unless those objects are exits.
1434	* If INS_ON_TOP is used, don't do this processing	1384	* If INS_ON_TOP is used, don't do this processing
1435	* Need to find the object that in fact blocks view, otherwise	1385	* Need to find the object that in fact blocks view, otherwise
1436	* stacking is a bit odd.	1386	* stacking is a bit odd.
1437	*/	1387	*/
1438	if (!(flag & INS_ON_TOP) &&	1388	if (!(flag & INS_ON_TOP)
1439	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1389	&& ms.flags () & P_BLOCKSVIEW
		1390	&& (op->face && !faces [op->face].visibility))
1440	{	1391	{
		1392	object *last;
		1393
1441	for (last = top; last != floor; last = last->below)	1394	for (last = top; last != floor; last = last->below)
1442	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1395	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1443	break;	1396	break;
		1397
1444	/* Check to see if we found the object that blocks view,	1398	/* Check to see if we found the object that blocks view,
1445	* and make sure we have a below pointer for it so that	1399	* and make sure we have a below pointer for it so that
1446	* we can get inserted below this one, which requires we	1400	* we can get inserted below this one, which requires we
1447	* set top to the object below us.	1401	* set top to the object below us.
1448	*/	1402	*/
1449	if (last && last->below && last != floor)	1403	if (last && last->below && last != floor)
1450	top = last->below;	1404	top = last->below;
1451	}	1405	}
1452	} /* If objects on this space */	1406	} /* If objects on this space */
1453		1407
1454	if (flag & INS_MAP_LOAD)
1455	top = GET_MAP_TOP (op->map, op->x, op->y);
1456
1457	if (flag & INS_ABOVE_FLOOR_ONLY)	1408	if (flag & INS_ABOVE_FLOOR_ONLY)
1458	top = floor;	1409	top = floor;
1459		1410
1460	/* Top is the object that our object (op) is going to get inserted above.	1411	// insert object above top, or bottom-most if top = 0
1461	*/
1462
1463	/* First object on this space */
1464	if (!top)	1412	if (!top)
1465	{	1413	{
1466	op->above = GET_MAP_OB (op->map, op->x, op->y);
1467
1468	if (op->above)
1469	op->above->below = op;
1470
1471	op->below = NULL;	1414	op->below = 0;
1472	SET_MAP_OB (op->map, op->x, op->y, op);	1415	op->above = ms.bot;
		1416	ms.bot = op;
		1417
		1418	*(op->above ? &op->above->below : &ms.top) = op;
1473	}	1419	}
1474	else	1420	else
1475	{ /* get inserted into the stack above top */	1421	{
1476	op->above = top->above;	1422	op->above = top->above;
1477
1478	if (op->above)
1479	op->above->below = op;	1423	top->above = op;
1480		1424
1481	op->below = top;	1425	op->below = top;
1482	top->above = op;	1426	*(op->above ? &op->above->below : &ms.top) = op;
1483	}	1427	}
		1428	}
1484		1429
1485	if (op->above == NULL)	1430	if (op->is_player ())
1486	SET_MAP_TOP (op->map, op->x, op->y, op);	1431	{
1487	} /* else not INS_BELOW_ORIGINATOR */
1488
1489	if (op->type == PLAYER)
1490	op->contr->do_los = 1;	1432	op->contr->do_los = 1;
		1433	++op->map->players;
		1434	op->map->touch ();
		1435	}
1491		1436
1492	/* If we have a floor, we know the player, if any, will be above	1437	op->map->dirty = true;
1493	* it, so save a few ticks and start from there.	1438
1494	*/	1439	if (object *pl = ms.player ())
1495	if (!(flag & INS_MAP_LOAD))	1440	//TODO: the floorbox prev/next might need updating
1496	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1441	//esrv_send_item (pl, op);
1497	if (tmp->type == PLAYER)	1442	//TODO: update floorbox to preserve ordering
1498	tmp->contr->socket.update_look = 1;	1443	if (pl->contr->ns)
		1444	pl->contr->ns->floorbox_update ();
1499		1445
1500	/* If this object glows, it may affect lighting conditions that are	1446	/* If this object glows, it may affect lighting conditions that are
1501	* visible to others on this map. But update_all_los is really	1447	* visible to others on this map. But update_all_los is really
1502	* an inefficient way to do this, as it means los for all players	1448	* an inefficient way to do this, as it means los for all players
1503	* on the map will get recalculated. The players could very well	1449	* on the map will get recalculated. The players could very well
1504	* be far away from this change and not affected in any way -	1450	* be far away from this change and not affected in any way -
1505	* this should get redone to only look for players within range,	1451	* this should get redone to only look for players within range,
1506	* or just updating the P_NEED_UPDATE for spaces within this area	1452	* or just updating the P_UPTODATE for spaces within this area
1507	* of effect may be sufficient.	1453	* of effect may be sufficient.
1508	*/	1454	*/
1509	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1455	if (op->affects_los ())
		1456	{
		1457	op->ms ().invalidate ();
1510	update_all_los (op->map, op->x, op->y);	1458	update_all_los (op->map, op->x, op->y);
		1459	}
1511		1460
1512	/* updates flags (blocked, alive, no magic, etc) for this map space */	1461	/* updates flags (blocked, alive, no magic, etc) for this map space */
1513	update_object (op, UP_OBJ_INSERT);	1462	update_object (op, UP_OBJ_INSERT);
1514		1463
		1464	INVOKE_OBJECT (INSERT, op);
		1465
1515	/* Don't know if moving this to the end will break anything. However,	1466	/* Don't know if moving this to the end will break anything. However,
1516	* we want to have update_look set above before calling this.	1467	* we want to have floorbox_update called before calling this.
1517	*	1468	*
1518	* check_move_on() must be after this because code called from	1469	* check_move_on() must be after this because code called from
1519	* check_move_on() depends on correct map flags (so functions like	1470	* check_move_on() depends on correct map flags (so functions like
1520	* blocked() and wall() work properly), and these flags are updated by	1471	* blocked() and wall() work properly), and these flags are updated by
1521	* update_object().	1472	* update_object().
1522	*/	1473	*/
1523		1474
1524	/* if this is not the head or flag has been passed, don't check walk on status */	1475	/* if this is not the head or flag has been passed, don't check walk on status */
1525	if (!(flag & INS_NO_WALK_ON) && !op->head)	1476	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1526	{	1477	{
1527	if (check_move_on (op, originator))	1478	if (check_move_on (op, originator))
1528	return NULL;	1479	return 0;
1529		1480
1530	/* If we are a multi part object, lets work our way through the check	1481	/* If we are a multi part object, lets work our way through the check
1531	* walk on's.	1482	* walk on's.
1532	*/	1483	*/
1533	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1484	for (object *tmp = op->more; tmp; tmp = tmp->more)
1534	if (check_move_on (tmp, originator))	1485	if (check_move_on (tmp, originator))
1535	return NULL;	1486	return 0;
1536	}	1487	}
1537		1488
1538	return op;	1489	return op;
1539	}	1490	}
1540		1491
1541	/* this function inserts an object in the map, but if it	1492	/* this function inserts an object in the map, but if it
1542	* finds an object of its own type, it'll remove that one first.	1493	* finds an object of its own type, it'll remove that one first.
1543	* op is the object to insert it under: supplies x and the map.	1494	* op is the object to insert it under: supplies x and the map.
1544	*/	1495	*/
1545	void	1496	void
1546	replace_insert_ob_in_map (const char *arch_string, object *op)	1497	replace_insert_ob_in_map (const char *arch_string, object *op)
1547	{	1498	{
1548	object *
1549	tmp;
1550	object *
1551	tmp1;
1552
1553	/* first search for itself and remove any old instances */	1499	/* first search for itself and remove any old instances */
1554		1500
1555	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1501	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1556	{
1557	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1502	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1558	{	1503	tmp->destroy ();
1559	remove_ob (tmp);
1560	free_object (tmp);
1561	}
1562	}
1563		1504
1564	tmp1 = arch_to_object (archetype::find (arch_string));	1505	object *tmp = arch_to_object (archetype::find (arch_string));
1565		1506
1566	tmp1->x = op->x;	1507	tmp->x = op->x;
1567	tmp1->y = op->y;	1508	tmp->y = op->y;
		1509
1568	insert_ob_in_map (tmp1, op->map, op, 0);	1510	insert_ob_in_map (tmp, op->map, op, 0);
1569	}	1511	}
1570
1571	/*
1572	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1573	* is returned contains nr objects, and the remaining parts contains
1574	* the rest (or is removed and freed if that number is 0).
1575	* On failure, NULL is returned, and the reason put into the
1576	* global static errmsg array.
1577	*/
1578		1512
1579	object *	1513	object *
1580	get_split_ob (object *orig_ob, uint32 nr)	1514	object::insert_at (object *where, object *originator, int flags)
1581	{	1515	{
1582	object *	1516	if (where->env)
1583	newob;	1517	return where->env->insert (this);
1584	int	1518	else
1585	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1519	return where->map->insert (this, where->x, where->y, originator, flags);
1586
1587	if (orig_ob->nrof < nr)
1588	{
1589	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1590	return NULL;
1591	}
1592
1593	newob = object_create_clone (orig_ob);
1594
1595	if ((orig_ob->nrof -= nr) < 1)
1596	{
1597	if (!is_removed)
1598	remove_ob (orig_ob);
1599	free_object2 (orig_ob, 1);
1600	}
1601	else if (!is_removed)
1602	{
1603	if (orig_ob->env != NULL)
1604	sub_weight (orig_ob->env, orig_ob->weight * nr);
1605	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1606	{
1607	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1608	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1609	return NULL;
1610	}
1611	}
1612
1613	newob->nrof = nr;
1614
1615	return newob;
1616	}	1520	}
1617		1521
1618	/*	1522	/*
1619	* decrease_ob_nr(object, number) decreases a specified number from	1523	* decrease(object, number) decreases a specified number from
1620	* the amount of an object. If the amount reaches 0, the object	1524	* the amount of an object. If the amount reaches 0, the object
1621	* is subsequently removed and freed.	1525	* is subsequently removed and freed.
1622	*	1526	*
1623	* Return value: 'op' if something is left, NULL if the amount reached 0	1527	* Return value: 'op' if something is left, NULL if the amount reached 0
1624	*/	1528	*/
		1529	bool
		1530	object::decrease (sint32 nr)
		1531	{
		1532	if (!nr)
		1533	return true;
1625		1534
		1535	nr = min (nr, nrof);
		1536
		1537	if (nrof > nr)
		1538	{
		1539	nrof -= nr;
		1540	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1541
		1542	if (object *pl = visible_to ())
		1543	esrv_update_item (UPD_NROF, pl, this);
		1544
		1545	return true;
		1546	}
		1547	else
		1548	{
		1549	destroy ();
		1550	return false;
		1551	}
		1552	}
		1553
		1554	/*
		1555	* split(ob,nr) splits up ob into two parts. The part which
		1556	* is returned contains nr objects, and the remaining parts contains
		1557	* the rest (or is removed and returned if that number is 0).
		1558	* On failure, NULL is returned.
		1559	*/
1626	object *	1560	object *
1627	decrease_ob_nr (object *op, uint32 i)	1561	object::split (sint32 nr)
1628	{	1562	{
1629	object *tmp;	1563	int have = number_of ();
1630	player *pl;
1631		1564
1632	if (i == 0) /* objects with op->nrof require this check */	1565	if (have < nr)
1633	return op;	1566	return 0;
1634		1567	else if (have == nr)
1635	if (i > op->nrof)
1636	i = op->nrof;
1637
1638	if (QUERY_FLAG (op, FLAG_REMOVED))
1639	op->nrof -= i;
1640	else if (op->env != NULL)
1641	{	1568	{
1642	/* is this object in the players inventory, or sub container
1643	* therein?
1644	*/
1645	tmp = is_player_inv (op->env);
1646	/* nope. Is this a container the player has opened?
1647	* If so, set tmp to that player.
1648	* IMO, searching through all the players will mostly
1649	* likely be quicker than following op->env to the map,
1650	* and then searching the map for a player.
1651	*/
1652	if (!tmp)
1653	{
1654	for (pl = first_player; pl; pl = pl->next)
1655	if (pl->ob->container == op->env)
1656	break;
1657	if (pl)
1658	tmp = pl->ob;
1659	else
1660	tmp = NULL;
1661	}
1662
1663	if (i < op->nrof)
1664	{
1665	sub_weight (op->env, op->weight * i);
1666	op->nrof -= i;
1667	if (tmp)
1668	{
1669	esrv_send_item (tmp, op);
1670	}
1671	}
1672	else
1673	{
1674	remove_ob (op);	1569	remove ();
1675	op->nrof = 0;	1570	return this;
1676	if (tmp)
1677	{
1678	esrv_del_item (tmp->contr, op->count);
1679	}
1680	}
1681	}	1571	}
1682	else	1572	else
1683	{	1573	{
1684	object *above = op->above;	1574	decrease (nr);
1685		1575
1686	if (i < op->nrof)	1576	object *op = deep_clone ();
1687	op->nrof -= i;	1577	op->nrof = nr;
1688	else
1689	{
1690	remove_ob (op);
1691	op->nrof = 0;
1692	}
1693
1694	/* Since we just removed op, op->above is null */
1695	for (tmp = above; tmp != NULL; tmp = tmp->above)
1696	if (tmp->type == PLAYER)
1697	{
1698	if (op->nrof)
1699	esrv_send_item (tmp, op);
1700	else
1701	esrv_del_item (tmp->contr, op->count);
1702	}
1703	}
1704
1705	if (op->nrof)
1706	return op;	1578	return op;
1707	else
1708	{	1579	}
1709	free_object (op);
1710	return NULL;
1711	}
1712	}	1580	}
1713
1714	/*
1715	* add_weight(object, weight) adds the specified weight to an object,
1716	* and also updates how much the environment(s) is/are carrying.
1717	*/
1718
1719	void
1720	add_weight (object *op, signed long weight)
1721	{
1722	while (op != NULL)
1723	{
1724	if (op->type == CONTAINER)
1725	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1726
1727	op->carrying += weight;
1728	op = op->env;
1729	}
1730	}
1731
1732	/*
1733	* insert_ob_in_ob(op,environment):
1734	* This function inserts the object op in the linked list
1735	* inside the object environment.
1736	*
1737	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1738	* the inventory at the last position or next to other objects of the same
1739	* type.
1740	* Frank: Now sorted by type, archetype and magic!
1741	*
1742	* The function returns now pointer to inserted item, and return value can
1743	* be != op, if items are merged. -Tero
1744	*/
1745		1581
1746	object *	1582	object *
1747	insert_ob_in_ob (object *op, object *where)	1583	insert_ob_in_ob (object *op, object *where)
1748	{	1584	{
1749	object *	1585	if (!where)
1750	tmp, *
1751	otmp;
1752
1753	if (!QUERY_FLAG (op, FLAG_REMOVED))
1754	{
1755	char *dump = dump_object (op);
1756	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", dump);
1757	free (dump);
1758	return op;
1759	}
1760
1761	if (where == NULL)
1762	{	1586	{
1763	char *dump = dump_object (op);	1587	char *dump = dump_object (op);
1764	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1588	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1765	free (dump);	1589	free (dump);
1766	return op;	1590	return op;
1767	}	1591	}
1768		1592
1769	if (where->head)	1593	if (where->head_ () != where)
1770	{	1594	{
1771	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");	1595	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1772	where = where->head;	1596	where = where->head;
1773	}	1597	}
1774		1598
		1599	return where->insert (op);
		1600	}
		1601
		1602	/*
		1603	* env->insert (op)
		1604	* This function inserts the object op in the linked list
		1605	* inside the object environment.
		1606	*
		1607	* The function returns now pointer to inserted item, and return value can
		1608	* be != op, if items are merged. -Tero
		1609	*/
		1610	object *
		1611	object::insert (object *op)
		1612	{
1775	if (op->more)	1613	if (op->more)
1776	{	1614	{
1777	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1615	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1778	return op;	1616	return op;
1779	}	1617	}
1780		1618
1781	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1619	op->remove ();
1782	CLEAR_FLAG (op, FLAG_REMOVED);	1620
		1621	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1622
1783	if (op->nrof)	1623	if (op->nrof)
1784	{
1785	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1624	for (object *tmp = inv; tmp; tmp = tmp->below)
1786	if (CAN_MERGE (tmp, op))	1625	if (object::can_merge (tmp, op))
1787	{	1626	{
1788	/* return the original object and remove inserted object	1627	/* return the original object and remove inserted object
1789	(client needs the original object) */	1628	(client needs the original object) */
1790	tmp->nrof += op->nrof;	1629	tmp->nrof += op->nrof;
1791	/* Weight handling gets pretty funky. Since we are adding to	1630
1792	* tmp->nrof, we need to increase the weight.	1631	if (object *pl = tmp->visible_to ())
1793	*/	1632	esrv_update_item (UPD_NROF, pl, tmp);
1794	add_weight (where, op->weight * op->nrof);	1633
1795	SET_FLAG (op, FLAG_REMOVED);	1634	adjust_weight (this, op->total_weight ());
1796	free_object (op); /* free the inserted object */	1635
		1636	op->destroy ();
1797	op = tmp;	1637	op = tmp;
1798	remove_ob (op); /* and fix old object's links */	1638	goto inserted;
1799	CLEAR_FLAG (op, FLAG_REMOVED);
1800	break;
1801	}	1639	}
1802		1640
1803	/* I assume combined objects have no inventory	1641	op->owner = 0; // it's his/hers now. period.
1804	* We add the weight - this object could have just been removed
1805	* (if it was possible to merge). calling remove_ob will subtract
1806	* the weight, so we need to add it in again, since we actually do
1807	* the linking below
1808	*/
1809	add_weight (where, op->weight * op->nrof);
1810	}
1811	else
1812	add_weight (where, (op->weight + op->carrying));
1813
1814	otmp = is_player_inv (where);
1815	if (otmp && otmp->contr != NULL)
1816	{
1817	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1818	fix_player (otmp);
1819	}
1820
1821	op->map = NULL;	1642	op->map = 0;
1822	op->env = where;	1643	op->x = 0;
		1644	op->y = 0;
		1645
1823	op->above = NULL;	1646	op->above = 0;
1824	op->below = NULL;	1647	op->below = inv;
1825	op->x = 0, op->y = 0;	1648	op->env = this;
1826		1649
		1650	if (inv)
		1651	inv->above = op;
		1652
		1653	inv = op;
		1654
		1655	op->flag [FLAG_REMOVED] = 0;
		1656
		1657	if (object *pl = op->visible_to ())
		1658	esrv_send_item (pl, op);
		1659
		1660	adjust_weight (this, op->total_weight ());
		1661
		1662	inserted:
1827	/* reset the light list and los of the players on the map */	1663	/* reset the light list and los of the players on the map */
1828	if ((op->glow_radius != 0) && where->map)	1664	if (op->glow_radius && is_on_map ())
1829	{
1830	#ifdef DEBUG_LIGHTS
1831	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1832	#endif /* DEBUG_LIGHTS */
1833	if (MAP_DARKNESS (where->map))
1834	update_all_los (where->map, where->x, where->y);
1835	}	1665	{
1836		1666	update_stats ();
1837	/* Client has no idea of ordering so lets not bother ordering it here.	1667	update_all_los (map, x, y);
1838	* It sure simplifies this function...
1839	*/
1840	if (where->inv == NULL)
1841	where->inv = op;
1842	else
1843	{	1668	}
1844	op->below = where->inv;	1669	else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1845	op->below->above = op;	1670	// if this is a player's inventory, update stats
1846	where->inv = op;	1671	update_stats ();
1847	}	1672
		1673	INVOKE_OBJECT (INSERT, this);
		1674
1848	return op;	1675	return op;
1849	}	1676	}
1850		1677
1851	/*	1678	/*
1852	* Checks if any objects has a move_type that matches objects	1679	* Checks if any objects has a move_type that matches objects
…		…
1866	*	1693	*
1867	* MSW 2001-07-08: Check all objects on space, not just those below	1694	* MSW 2001-07-08: Check all objects on space, not just those below
1868	* object being inserted. insert_ob_in_map may not put new objects	1695	* object being inserted. insert_ob_in_map may not put new objects
1869	* on top.	1696	* on top.
1870	*/	1697	*/
1871
1872	int	1698	int
1873	check_move_on (object *op, object *originator)	1699	check_move_on (object *op, object *originator)
1874	{	1700	{
1875	object *tmp;	1701	object *tmp;
1876	maptile *m = op->map;	1702	maptile *m = op->map;
…		…
1903		1729
1904	/* The objects have to be checked from top to bottom.	1730	/* The objects have to be checked from top to bottom.
1905	* Hence, we first go to the top:	1731	* Hence, we first go to the top:
1906	*/	1732	*/
1907		1733
1908	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1734	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1909	{	1735	{
1910	/* Trim the search when we find the first other spell effect	1736	/* Trim the search when we find the first other spell effect
1911	* this helps performance so that if a space has 50 spell objects,	1737	* this helps performance so that if a space has 50 spell objects,
1912	* we don't need to check all of them.	1738	* we don't need to check all of them.
1913	*/	1739	*/
…		…
1931	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1757	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1932	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1758	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1933	{	1759	{
1934		1760
1935	float	1761	float
1936	diff = tmp->move_slow_penalty * FABS (op->speed);	1762	diff = tmp->move_slow_penalty * fabs (op->speed);
1937		1763
1938	if (op->type == PLAYER)	1764	if (op->is_player ())
1939	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1765	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1940	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1766	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1941	diff /= 4.0;	1767	diff /= 4.0;
1942		1768
1943	op->speed_left -= diff;	1769	op->speed_left -= diff;
…		…
1968	/*	1794	/*
1969	* present_arch(arch, map, x, y) searches for any objects with	1795	* present_arch(arch, map, x, y) searches for any objects with
1970	* a matching archetype at the given map and coordinates.	1796	* a matching archetype at the given map and coordinates.
1971	* The first matching object is returned, or NULL if none.	1797	* The first matching object is returned, or NULL if none.
1972	*/	1798	*/
1973
1974	object *	1799	object *
1975	present_arch (const archetype *at, maptile *m, int x, int y)	1800	present_arch (const archetype *at, maptile *m, int x, int y)
1976	{	1801	{
1977	object *
1978	tmp;
1979
1980	if (m == NULL || out_of_map (m, x, y))	1802	if (!m || out_of_map (m, x, y))
1981	{	1803	{
1982	LOG (llevError, "Present_arch called outside map.\n");	1804	LOG (llevError, "Present_arch called outside map.\n");
1983	return NULL;	1805	return NULL;
1984	}	1806	}
1985	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1807
1986	if (tmp->arch == at)	1808	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
		1809	if (tmp->arch->archname == at->archname)
1987	return tmp;	1810	return tmp;
		1811
1988	return NULL;	1812	return NULL;
1989	}	1813	}
1990		1814
1991	/*	1815	/*
1992	* present(type, map, x, y) searches for any objects with	1816	* present(type, map, x, y) searches for any objects with
1993	* a matching type variable at the given map and coordinates.	1817	* a matching type variable at the given map and coordinates.
1994	* The first matching object is returned, or NULL if none.	1818	* The first matching object is returned, or NULL if none.
1995	*/	1819	*/
1996
1997	object *	1820	object *
1998	present (unsigned char type, maptile *m, int x, int y)	1821	present (unsigned char type, maptile *m, int x, int y)
1999	{	1822	{
2000	object *
2001	tmp;
2002
2003	if (out_of_map (m, x, y))	1823	if (out_of_map (m, x, y))
2004	{	1824	{
2005	LOG (llevError, "Present called outside map.\n");	1825	LOG (llevError, "Present called outside map.\n");
2006	return NULL;	1826	return NULL;
2007	}	1827	}
2008	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1828
		1829	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2009	if (tmp->type == type)	1830	if (tmp->type == type)
2010	return tmp;	1831	return tmp;
		1832
2011	return NULL;	1833	return NULL;
2012	}	1834	}
2013		1835
2014	/*	1836	/*
2015	* present_in_ob(type, object) searches for any objects with	1837	* present_in_ob(type, object) searches for any objects with
2016	* a matching type variable in the inventory of the given object.	1838	* a matching type variable in the inventory of the given object.
2017	* The first matching object is returned, or NULL if none.	1839	* The first matching object is returned, or NULL if none.
2018	*/	1840	*/
2019
2020	object *	1841	object *
2021	present_in_ob (unsigned char type, const object *op)	1842	present_in_ob (unsigned char type, const object *op)
2022	{	1843	{
2023	object *
2024	tmp;
2025
2026	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1844	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2027	if (tmp->type == type)	1845	if (tmp->type == type)
2028	return tmp;	1846	return tmp;
		1847
2029	return NULL;	1848	return NULL;
2030	}	1849	}
2031		1850
2032	/*	1851	/*
2033	* present_in_ob (type, str, object) searches for any objects with	1852	* present_in_ob (type, str, object) searches for any objects with
…		…
2041	* str is the string to match against. Note that we match against	1860	* str is the string to match against. Note that we match against
2042	* the object name, not the archetype name. this is so that the	1861	* the object name, not the archetype name. this is so that the
2043	* spell code can use one object type (force), but change it's name	1862	* spell code can use one object type (force), but change it's name
2044	* to be unique.	1863	* to be unique.
2045	*/	1864	*/
2046
2047	object *	1865	object *
2048	present_in_ob_by_name (int type, const char *str, const object *op)	1866	present_in_ob_by_name (int type, const char *str, const object *op)
2049	{	1867	{
2050	object *
2051	tmp;
2052
2053	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1868	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2054	{
2055	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1869	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2056	return tmp;	1870	return tmp;
2057	}	1871
2058	return NULL;	1872	return 0;
2059	}	1873	}
2060		1874
2061	/*	1875	/*
2062	* present_arch_in_ob(archetype, object) searches for any objects with	1876	* present_arch_in_ob(archetype, object) searches for any objects with
2063	* a matching archetype in the inventory of the given object.	1877	* a matching archetype in the inventory of the given object.
2064	* The first matching object is returned, or NULL if none.	1878	* The first matching object is returned, or NULL if none.
2065	*/	1879	*/
2066
2067	object *	1880	object *
2068	present_arch_in_ob (const archetype *at, const object *op)	1881	present_arch_in_ob (const archetype *at, const object *op)
2069	{	1882	{
2070	object *
2071	tmp;
2072
2073	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1883	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2074	if (tmp->arch == at)	1884	if (tmp->arch->archname == at->archname)
2075	return tmp;	1885	return tmp;
		1886
2076	return NULL;	1887	return NULL;
2077	}	1888	}
2078		1889
2079	/*	1890	/*
2080	* activate recursively a flag on an object inventory	1891	* activate recursively a flag on an object inventory
2081	*/	1892	*/
2082	void	1893	void
2083	flag_inv (object *op, int flag)	1894	flag_inv (object *op, int flag)
2084	{	1895	{
2085	object *
2086	tmp;
2087
2088	if (op->inv)
2089	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1896	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2090	{	1897	{
2091	SET_FLAG (tmp, flag);	1898	SET_FLAG (tmp, flag);
2092	flag_inv (tmp, flag);	1899	flag_inv (tmp, flag);
2093	}	1900	}
2094	} /*	1901	}
		1902
		1903	/*
2095	* desactivate recursively a flag on an object inventory	1904	* deactivate recursively a flag on an object inventory
2096	*/	1905	*/
2097	void	1906	void
2098	unflag_inv (object *op, int flag)	1907	unflag_inv (object *op, int flag)
2099	{	1908	{
2100	object *
2101	tmp;
2102
2103	if (op->inv)
2104	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1909	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2105	{	1910	{
2106	CLEAR_FLAG (tmp, flag);	1911	CLEAR_FLAG (tmp, flag);
2107	unflag_inv (tmp, flag);	1912	unflag_inv (tmp, flag);
2108	}	1913	}
2109	}
2110
2111	/*
2112	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2113	* all it's inventory (recursively).
2114	* If checksums are used, a player will get set_cheat called for
2115	* him/her-self and all object carried by a call to this function.
2116	*/
2117
2118	void
2119	set_cheat (object *op)
2120	{
2121	SET_FLAG (op, FLAG_WAS_WIZ);
2122	flag_inv (op, FLAG_WAS_WIZ);
2123	}	1914	}
2124		1915
2125	/*	1916	/*
2126	* find_free_spot(object, map, x, y, start, stop) will search for	1917	* find_free_spot(object, map, x, y, start, stop) will search for
2127	* a spot at the given map and coordinates which will be able to contain	1918	* a spot at the given map and coordinates which will be able to contain
…		…
2129	* to search (see the freearr_x/y[] definition).	1920	* to search (see the freearr_x/y[] definition).
2130	* It returns a random choice among the alternatives found.	1921	* It returns a random choice among the alternatives found.
2131	* start and stop are where to start relative to the free_arr array (1,9	1922	* start and stop are where to start relative to the free_arr array (1,9
2132	* does all 4 immediate directions). This returns the index into the	1923	* does all 4 immediate directions). This returns the index into the
2133	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1924	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2134	* Note - this only checks to see if there is space for the head of the
2135	* object - if it is a multispace object, this should be called for all
2136	* pieces.
2137	* Note2: This function does correctly handle tiled maps, but does not	1925	* Note: This function does correctly handle tiled maps, but does not
2138	* inform the caller. However, insert_ob_in_map will update as	1926	* inform the caller. However, insert_ob_in_map will update as
2139	* necessary, so the caller shouldn't need to do any special work.	1927	* necessary, so the caller shouldn't need to do any special work.
2140	* Note - updated to take an object instead of archetype - this is necessary	1928	* Note - updated to take an object instead of archetype - this is necessary
2141	* because arch_blocked (now ob_blocked) needs to know the movement type	1929	* because arch_blocked (now ob_blocked) needs to know the movement type
2142	* to know if the space in question will block the object. We can't use	1930	* to know if the space in question will block the object. We can't use
2143	* the archetype because that isn't correct if the monster has been	1931	* the archetype because that isn't correct if the monster has been
2144	* customized, changed states, etc.	1932	* customized, changed states, etc.
2145	*/	1933	*/
2146
2147	int	1934	int
2148	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1935	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2149	{	1936	{
2150	int
2151	i,
2152	index = 0, flag;
2153	static int
2154	altern[SIZEOFFREE];	1937	int altern[SIZEOFFREE];
		1938	int index = 0, flag;
2155		1939
2156	for (i = start; i < stop; i++)	1940	for (int i = start; i < stop; i++)
2157	{	1941	{
2158	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1942	mapxy pos (m, x, y); pos.move (i);
2159	if (!flag)	1943
		1944	if (!pos.normalise ())
		1945	continue;
		1946
		1947	mapspace &ms = *pos;
		1948
		1949	if (ms.flags () & P_IS_ALIVE)
		1950	continue;
		1951
		1952	/* However, often
		1953	* ob doesn't have any move type (when used to place exits)
		1954	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1955	*/
		1956	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1957	{
2160	altern[index++] = i;	1958	altern [index++] = i;
		1959	continue;
		1960	}
2161		1961
2162	/* Basically, if we find a wall on a space, we cut down the search size.	1962	/* Basically, if we find a wall on a space, we cut down the search size.
2163	* In this way, we won't return spaces that are on another side of a wall.	1963	* In this way, we won't return spaces that are on another side of a wall.
2164	* This mostly work, but it cuts down the search size in all directions -	1964	* This mostly work, but it cuts down the search size in all directions -
2165	* if the space being examined only has a wall to the north and empty	1965	* if the space being examined only has a wall to the north and empty
2166	* spaces in all the other directions, this will reduce the search space	1966	* spaces in all the other directions, this will reduce the search space
2167	* to only the spaces immediately surrounding the target area, and	1967	* to only the spaces immediately surrounding the target area, and
2168	* won't look 2 spaces south of the target space.	1968	* won't look 2 spaces south of the target space.
2169	*/	1969	*/
2170	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	1970	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1971	{
2171	stop = maxfree[i];	1972	stop = maxfree[i];
		1973	continue;
		1974	}
		1975
		1976	/* Note it is intentional that we check ob - the movement type of the
		1977	* head of the object should correspond for the entire object.
		1978	*/
		1979	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1980	continue;
		1981
		1982	if (ob->blocked (pos.m, pos.x, pos.y))
		1983	continue;
		1984
		1985	altern [index++] = i;
2172	}	1986	}
		1987
2173	if (!index)	1988	if (!index)
2174	return -1;	1989	return -1;
		1990
2175	return altern[RANDOM () % index];	1991	return altern [rndm (index)];
2176	}	1992	}
2177		1993
2178	/*	1994	/*
2179	* find_first_free_spot(archetype, maptile, x, y) works like	1995	* find_first_free_spot(archetype, maptile, x, y) works like
2180	* find_free_spot(), but it will search max number of squares.	1996	* find_free_spot(), but it will search max number of squares.
2181	* But it will return the first available spot, not a random choice.	1997	* But it will return the first available spot, not a random choice.
2182	* Changed 0.93.2: Have it return -1 if there is no free spot available.	1998	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2183	*/	1999	*/
2184
2185	int	2000	int
2186	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2001	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2187	{	2002	{
2188	int
2189	i;
2190
2191	for (i = 0; i < SIZEOFFREE; i++)	2003	for (int i = 0; i < SIZEOFFREE; i++)
2192	{
2193	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2004	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2194	return i;	2005	return i;
2195	}	2006
2196	return -1;	2007	return -1;
2197	}	2008	}
2198		2009
2199	/*	2010	/*
2200	* The function permute(arr, begin, end) randomly reorders the array	2011	* The function permute(arr, begin, end) randomly reorders the array
2201	* arr[begin..end-1].	2012	* arr[begin..end-1].
		2013	* now uses a fisher-yates shuffle, old permute was broken
2202	*/	2014	*/
2203	static void	2015	static void
2204	permute (int *arr, int begin, int end)	2016	permute (int *arr, int begin, int end)
2205	{	2017	{
2206	int	2018	arr += begin;
2207	i,
2208	j,
2209	tmp,
2210	len;
2211
2212	len = end - begin;	2019	end -= begin;
2213	for (i = begin; i < end; i++)
2214	{
2215	j = begin + RANDOM () % len;
2216		2020
2217	tmp = arr[i];	2021	while (--end)
2218	arr[i] = arr[j];	2022	swap (arr [end], arr [rndm (end + 1)]);
2219	arr[j] = tmp;
2220	}
2221	}	2023	}
2222		2024
2223	/* new function to make monster searching more efficient, and effective!	2025	/* new function to make monster searching more efficient, and effective!
2224	* This basically returns a randomized array (in the passed pointer) of	2026	* This basically returns a randomized array (in the passed pointer) of
2225	* the spaces to find monsters. In this way, it won't always look for	2027	* the spaces to find monsters. In this way, it won't always look for
…		…
2228	* the 3x3 area will be searched, just not in a predictable order.	2030	* the 3x3 area will be searched, just not in a predictable order.
2229	*/	2031	*/
2230	void	2032	void
2231	get_search_arr (int *search_arr)	2033	get_search_arr (int *search_arr)
2232	{	2034	{
2233	int	2035	int i;
2234	i;
2235		2036
2236	for (i = 0; i < SIZEOFFREE; i++)	2037	for (i = 0; i < SIZEOFFREE; i++)
2237	{
2238	search_arr[i] = i;	2038	search_arr[i] = i;
2239	}
2240		2039
2241	permute (search_arr, 1, SIZEOFFREE1 + 1);	2040	permute (search_arr, 1, SIZEOFFREE1 + 1);
2242	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2041	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2243	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2042	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2244	}	2043	}
…		…
2253	* Perhaps incorrectly, but I'm making the assumption that exclude	2052	* Perhaps incorrectly, but I'm making the assumption that exclude
2254	* is actually want is going to try and move there. We need this info	2053	* is actually want is going to try and move there. We need this info
2255	* because we have to know what movement the thing looking to move	2054	* because we have to know what movement the thing looking to move
2256	* there is capable of.	2055	* there is capable of.
2257	*/	2056	*/
2258
2259	int	2057	int
2260	find_dir (maptile *m, int x, int y, object *exclude)	2058	find_dir (maptile *m, int x, int y, object *exclude)
2261	{	2059	{
2262	int
2263	i,
2264	max = SIZEOFFREE, mflags;	2060	int i, max = SIZEOFFREE, mflags;
2265		2061
2266	sint16 nx, ny;	2062	sint16 nx, ny;
2267	object *	2063	object *tmp;
2268	tmp;
2269	maptile *	2064	maptile *mp;
2270	mp;
2271		2065
2272	MoveType blocked, move_type;	2066	MoveType blocked, move_type;
2273		2067
2274	if (exclude && exclude->head)	2068	if (exclude && exclude->head_ () != exclude)
2275	{	2069	{
2276	exclude = exclude->head;	2070	exclude = exclude->head;
2277	move_type = exclude->move_type;	2071	move_type = exclude->move_type;
2278	}	2072	}
2279	else	2073	else
…		…
2287	mp = m;	2081	mp = m;
2288	nx = x + freearr_x[i];	2082	nx = x + freearr_x[i];
2289	ny = y + freearr_y[i];	2083	ny = y + freearr_y[i];
2290		2084
2291	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2085	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2086
2292	if (mflags & P_OUT_OF_MAP)	2087	if (mflags & P_OUT_OF_MAP)
2293	{
2294	max = maxfree[i];	2088	max = maxfree[i];
2295	}
2296	else	2089	else
2297	{	2090	{
2298	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2091	mapspace &ms = mp->at (nx, ny);
		2092
		2093	blocked = ms.move_block;
2299		2094
2300	if ((move_type & blocked) == move_type)	2095	if ((move_type & blocked) == move_type)
2301	{
2302	max = maxfree[i];	2096	max = maxfree[i];
2303	}
2304	else if (mflags & P_IS_ALIVE)	2097	else if (mflags & P_IS_ALIVE)
2305	{	2098	{
2306	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2099	for (tmp = ms.bot; tmp; tmp = tmp->above)
2307	{	2100	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2308	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2101	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2309	{
2310	break;	2102	break;
2311	}	2103
2312	}
2313	if (tmp)	2104	if (tmp)
2314	{
2315	return freedir[i];	2105	return freedir[i];
2316	}
2317	}	2106	}
2318	}	2107	}
2319	}	2108	}
		2109
2320	return 0;	2110	return 0;
2321	}	2111	}
2322		2112
2323	/*	2113	/*
2324	* distance(object 1, object 2) will return the square of the	2114	* distance(object 1, object 2) will return the square of the
2325	* distance between the two given objects.	2115	* distance between the two given objects.
2326	*/	2116	*/
2327
2328	int	2117	int
2329	distance (const object *ob1, const object *ob2)	2118	distance (const object *ob1, const object *ob2)
2330	{	2119	{
2331	int
2332	i;
2333
2334	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2120	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2335	return i;
2336	}	2121	}
2337		2122
2338	/*	2123	/*
2339	* find_dir_2(delta-x,delta-y) will return a direction in which	2124	* find_dir_2(delta-x,delta-y) will return a direction in which
2340	* an object which has subtracted the x and y coordinates of another	2125	* an object which has subtracted the x and y coordinates of another
2341	* object, needs to travel toward it.	2126	* object, needs to travel toward it.
2342	*/	2127	*/
2343
2344	int	2128	int
2345	find_dir_2 (int x, int y)	2129	find_dir_2 (int x, int y)
2346	{	2130	{
2347	int	2131	int q;
2348	q;
2349		2132
2350	if (y)	2133	if (y)
2351	q = x * 100 / y;	2134	q = x * 100 / y;
2352	else if (x)	2135	else if (x)
2353	q = -300 * x;	2136	q = -300 * x;
…		…
2378		2161
2379	return 3;	2162	return 3;
2380	}	2163	}
2381		2164
2382	/*	2165	/*
2383	* absdir(int): Returns a number between 1 and 8, which represent
2384	* the "absolute" direction of a number (it actually takes care of
2385	* "overflow" in previous calculations of a direction).
2386	*/
2387
2388	int
2389	absdir (int d)
2390	{
2391	while (d < 1)
2392	d += 8;
2393	while (d > 8)
2394	d -= 8;
2395	return d;
2396	}
2397
2398	/*
2399	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2166	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2400	* between two directions (which are expected to be absolute (see absdir())	2167	* between two directions (which are expected to be absolute (see absdir())
2401	*/	2168	*/
2402
2403	int	2169	int
2404	dirdiff (int dir1, int dir2)	2170	dirdiff (int dir1, int dir2)
2405	{	2171	{
2406	int	2172	int d;
2407	d;
2408		2173
2409	d = abs (dir1 - dir2);	2174	d = abs (dir1 - dir2);
2410	if (d > 4)	2175	if (d > 4)
2411	d = 8 - d;	2176	d = 8 - d;
		2177
2412	return d;	2178	return d;
2413	}	2179	}
2414		2180
2415	/* peterm:	2181	/* peterm:
2416	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2182	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2419	* This basically means that if direction is 15, then it could either go	2185	* This basically means that if direction is 15, then it could either go
2420	* direction 4, 14, or 16 to get back to where we are.	2186	* direction 4, 14, or 16 to get back to where we are.
2421	* Moved from spell_util.c to object.c with the other related direction	2187	* Moved from spell_util.c to object.c with the other related direction
2422	* functions.	2188	* functions.
2423	*/	2189	*/
2424
2425	int
2426	reduction_dir[SIZEOFFREE][3] = {	2190	int reduction_dir[SIZEOFFREE][3] = {
2427	{0, 0, 0}, /* 0 */	2191	{0, 0, 0}, /* 0 */
2428	{0, 0, 0}, /* 1 */	2192	{0, 0, 0}, /* 1 */
2429	{0, 0, 0}, /* 2 */	2193	{0, 0, 0}, /* 2 */
2430	{0, 0, 0}, /* 3 */	2194	{0, 0, 0}, /* 3 */
2431	{0, 0, 0}, /* 4 */	2195	{0, 0, 0}, /* 4 */
…		…
2479	* find a path to that monster that we found. If not,	2243	* find a path to that monster that we found. If not,
2480	* we don't bother going toward it. Returns 1 if we	2244	* we don't bother going toward it. Returns 1 if we
2481	* can see a direct way to get it	2245	* can see a direct way to get it
2482	* Modified to be map tile aware -.MSW	2246	* Modified to be map tile aware -.MSW
2483	*/	2247	*/
2484
2485
2486	int	2248	int
2487	can_see_monsterP (maptile *m, int x, int y, int dir)	2249	can_see_monsterP (maptile *m, int x, int y, int dir)
2488	{	2250	{
2489	sint16 dx, dy;	2251	sint16 dx, dy;
2490	int
2491	mflags;	2252	int mflags;
2492		2253
2493	if (dir < 0)	2254	if (dir < 0)
2494	return 0; /* exit condition: invalid direction */	2255	return 0; /* exit condition: invalid direction */
2495		2256
2496	dx = x + freearr_x[dir];	2257	dx = x + freearr_x[dir];
…		…
2509	return 0;	2270	return 0;
2510		2271
2511	/* yes, can see. */	2272	/* yes, can see. */
2512	if (dir < 9)	2273	if (dir < 9)
2513	return 1;	2274	return 1;
		2275
2514	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2276	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2515	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2277	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2278	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2516	}	2279	}
2517
2518
2519		2280
2520	/*	2281	/*
2521	* can_pick(picker, item): finds out if an object is possible to be	2282	* can_pick(picker, item): finds out if an object is possible to be
2522	* picked up by the picker. Returnes 1 if it can be	2283	* picked up by the picker. Returnes 1 if it can be
2523	* picked up, otherwise 0.	2284	* picked up, otherwise 0.
…		…
2525	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2286	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2526	* core dumps if they do.	2287	* core dumps if they do.
2527	*	2288	*
2528	* Add a check so we can't pick up invisible objects (0.93.8)	2289	* Add a check so we can't pick up invisible objects (0.93.8)
2529	*/	2290	*/
2530
2531	int	2291	int
2532	can_pick (const object *who, const object *item)	2292	can_pick (const object *who, const object *item)
2533	{	2293	{
2534	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2294	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2535	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2295	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2536	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2296	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2537	}	2297	}
2538
2539		2298
2540	/*	2299	/*
2541	* create clone from object to another	2300	* create clone from object to another
2542	*/	2301	*/
2543	object *	2302	object *
2544	object_create_clone (object *asrc)	2303	object::deep_clone ()
2545	{	2304	{
2546	object *	2305	assert (("deep_clone called on non-head object", is_head ()));
2547	dst = NULL, *tmp, *src, *part, *prev, *item;
2548		2306
2549	if (!asrc)	2307	object *dst = clone ();
2550	return NULL;
2551	src = asrc;
2552	if (src->head)
2553	src = src->head;
2554		2308
2555	prev = NULL;	2309	object *prev = dst;
2556	for (part = src; part; part = part->more)	2310	for (object *part = this->more; part; part = part->more)
2557	{	2311	{
2558	tmp = get_object ();	2312	object *tmp = part->clone ();
2559	copy_object (part, tmp);
2560	tmp->x -= src->x;
2561	tmp->y -= src->y;
2562	if (!part->head)
2563	{
2564	dst = tmp;
2565	tmp->head = NULL;
2566	}
2567	else
2568	{
2569	tmp->head = dst;	2313	tmp->head = dst;
2570	}
2571	tmp->more = NULL;
2572	if (prev)
2573	prev->more = tmp;	2314	prev->more = tmp;
2574	prev = tmp;	2315	prev = tmp;
2575	}	2316	}
2576		2317
2577	for (item = src->inv; item; item = item->below)	2318	for (object *item = inv; item; item = item->below)
2578	insert_ob_in_ob (object_create_clone (item), dst);	2319	insert_ob_in_ob (item->deep_clone (), dst);
2579		2320
2580	return dst;	2321	return dst;
2581	}
2582
2583	/* GROS - Creates an object using a string representing its content. */
2584	/* Basically, we save the content of the string to a temp file, then call */
2585	/* load_object on it. I admit it is a highly inefficient way to make things, */
2586	/* but it was simple to make and allows reusing the load_object function. */
2587	/* Remember not to use load_object_str in a time-critical situation. */
2588	/* Also remember that multiparts objects are not supported for now. */
2589
2590	object *
2591	load_object_str (const char *obstr)
2592	{
2593	object *op;
2594	char filename[MAX_BUF];
2595
2596	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2597
2598	FILE *tempfile = fopen (filename, "w");
2599
2600	if (tempfile == NULL)
2601	{
2602	LOG (llevError, "Error - Unable to access load object temp file\n");
2603	return NULL;
2604	}
2605
2606	fprintf (tempfile, obstr);
2607	fclose (tempfile);
2608
2609	op = get_object ();
2610
2611	object_thawer thawer (filename);
2612
2613	if (thawer)
2614	load_object (thawer, op, 0);
2615
2616	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2617	CLEAR_FLAG (op, FLAG_REMOVED);
2618
2619	return op;
2620	}	2322	}
2621		2323
2622	/* This returns the first object in who's inventory that	2324	/* This returns the first object in who's inventory that
2623	* has the same type and subtype match.	2325	* has the same type and subtype match.
2624	* returns NULL if no match.	2326	* returns NULL if no match.
2625	*/	2327	*/
2626	object *	2328	object *
2627	find_obj_by_type_subtype (const object *who, int type, int subtype)	2329	find_obj_by_type_subtype (const object *who, int type, int subtype)
2628	{	2330	{
2629	object *tmp;
2630
2631	for (tmp = who->inv; tmp; tmp = tmp->below)	2331	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2632	if (tmp->type == type && tmp->subtype == subtype)	2332	if (tmp->type == type && tmp->subtype == subtype)
2633	return tmp;	2333	return tmp;
2634		2334
2635	return NULL;
2636	}
2637
2638	/* If ob has a field named key, return the link from the list,
2639	* otherwise return NULL.
2640	*
2641	* key must be a passed in shared string - otherwise, this won't
2642	* do the desired thing.
2643	*/
2644	key_value *
2645	get_ob_key_link (const object *ob, const char *key)
2646	{
2647	key_value *link;
2648
2649	for (link = ob->key_values; link != NULL; link = link->next)
2650	if (link->key == key)
2651	return link;
2652
2653	return NULL;
2654	}
2655
2656	/*
2657	* Returns the value of op has an extra_field for key, or NULL.
2658	*
2659	* The argument doesn't need to be a shared string.
2660	*
2661	* The returned string is shared.
2662	*/
2663	const char *
2664	get_ob_key_value (const object *op, const char *const key)
2665	{
2666	key_value *link;
2667	shstr_cmp canonical_key (key);
2668
2669	if (!canonical_key)
2670	{
2671	/* 1. There being a field named key on any object
2672	* implies there'd be a shared string to find.
2673	* 2. Since there isn't, no object has this field.
2674	* 3. Therefore, *this* object doesn't have this field.
2675	*/
2676	return 0;
2677	}
2678
2679	/* This is copied from get_ob_key_link() above -
2680	* only 4 lines, and saves the function call overhead.
2681	*/
2682	for (link = op->key_values; link; link = link->next)
2683	if (link->key == canonical_key)
2684	return link->value;
2685
2686	return 0;	2335	return 0;
2687	}	2336	}
2688		2337
2689		2338	const shstr &
2690	/*	2339	object::kv_get (const shstr &key) const
2691	* Updates the canonical_key in op to value.
2692	*
2693	* canonical_key is a shared string (value doesn't have to be).
2694	*
2695	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2696	* keys.
2697	*
2698	* Returns TRUE on success.
2699	*/
2700	int
2701	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2702	{	2340	{
2703	key_value *	2341	for (key_value *kv = key_values; kv; kv = kv->next)
2704	field = NULL, *last = NULL;	2342	if (kv->key == key)
		2343	return kv->value;
2705		2344
2706	for (field = op->key_values; field != NULL; field = field->next)	2345	return shstr_null;
2707	{	2346	}
2708	if (field->key != canonical_key)	2347
		2348	void
		2349	object::kv_set (const shstr &key, const shstr &value)
		2350	{
		2351	for (key_value *kv = key_values; kv; kv = kv->next)
		2352	if (kv->key == key)
2709	{	2353	{
2710	last = field;	2354	kv->value = value;
2711	continue;	2355	return;
2712	}	2356	}
2713		2357
2714	if (value)	2358	key_value *kv = new key_value;
2715	field->value = value;	2359
2716	else	2360	kv->next = key_values;
		2361	kv->key = key;
		2362	kv->value = value;
		2363
		2364	key_values = kv;
		2365	}
		2366
		2367	void
		2368	object::kv_del (const shstr &key)
		2369	{
		2370	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2371	if ((*kvp)->key == key)
2717	{	2372	{
2718	/* Basically, if the archetype has this key set,	2373	key_value *kv = *kvp;
2719	* we need to store the null value so when we save	2374	*kvp = (*kvp)->next;
2720	* it, we save the empty value so that when we load,	2375	delete kv;
2721	* we get this value back again.	2376	return;
2722	*/
2723	if (get_ob_key_link (&op->arch->clone, canonical_key))
2724	field->value = 0;
2725	else
2726	{
2727	if (last)
2728	last->next = field->next;
2729	else
2730	op->key_values = field->next;
2731
2732	delete field;
2733	}
2734	}	2377	}
2735	return TRUE;
2736	}
2737	/* IF we get here, key doesn't exist */
2738
2739	/* No field, we'll have to add it. */
2740
2741	if (!add_key)
2742	{
2743	return FALSE;
2744	}
2745	/* There isn't any good reason to store a null
2746	* value in the key/value list. If the archetype has
2747	* this key, then we should also have it, so shouldn't
2748	* be here. If user wants to store empty strings,
2749	* should pass in ""
2750	*/
2751	if (value == NULL)
2752	return TRUE;
2753
2754	field = new key_value;
2755
2756	field->key = canonical_key;
2757	field->value = value;
2758	/* Usual prepend-addition. */
2759	field->next = op->key_values;
2760	op->key_values = field;
2761
2762	return TRUE;
2763	}
2764
2765	/*
2766	* Updates the key in op to value.
2767	*
2768	* If add_key is FALSE, this will only update existing keys,
2769	* and not add new ones.
2770	* In general, should be little reason FALSE is ever passed in for add_key
2771	*
2772	* Returns TRUE on success.
2773	*/
2774	int
2775	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2776	{
2777	shstr key_ (key);
2778
2779	return set_ob_key_value_s (op, key_, value, add_key);
2780	}	2378	}
2781		2379
2782	object::depth_iterator::depth_iterator (object *container)	2380	object::depth_iterator::depth_iterator (object *container)
2783	: iterator_base (container)	2381	: iterator_base (container)
2784	{	2382	{
…		…
2798	}	2396	}
2799	else	2397	else
2800	item = item->env;	2398	item = item->env;
2801	}	2399	}
2802		2400
		2401	const char *
		2402	object::flag_desc (char *desc, int len) const
		2403	{
		2404	char *p = desc;
		2405	bool first = true;
		2406
		2407	*p = 0;
		2408
		2409	for (int i = 0; i < NUM_FLAGS; i++)
		2410	{
		2411	if (len <= 10) // magic constant!
		2412	{
		2413	snprintf (p, len, ",...");
		2414	break;
		2415	}
		2416
		2417	if (flag [i])
		2418	{
		2419	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2420	len -= cnt;
		2421	p += cnt;
		2422	first = false;
		2423	}
		2424	}
		2425
		2426	return desc;
		2427	}
		2428
2803	// return a suitable string describing an objetc in enough detail to find it	2429	// return a suitable string describing an object in enough detail to find it
2804	const char *	2430	const char *
2805	object::debug_desc (char *info) const	2431	object::debug_desc (char *info) const
2806	{	2432	{
		2433	char flagdesc[512];
2807	char info2[256 * 3];	2434	char info2[256 * 4];
2808	char *p = info;	2435	char *p = info;
2809		2436
2810	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2437	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2811	count,	2438	count,
		2439	uuid.c_str (),
2812	&name,	2440	&name,
2813	title ? " " : "",	2441	title ? ",title:\"" : "",
2814	title ? (const char *)title : "");	2442	title ? (const char *)title : "",
		2443	title ? "\"" : "",
		2444	flag_desc (flagdesc, 512), type);
2815		2445
2816	if (env)	2446	if (!flag[FLAG_REMOVED] && env)
2817	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2447	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2818		2448
2819	if (map)	2449	if (map)
2820	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2450	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2821		2451
2822	return info;	2452	return info;
2823	}	2453	}
2824		2454
2825	const char *	2455	const char *
2826	object::debug_desc () const	2456	object::debug_desc () const
2827	{	2457	{
2828	static char info[256 * 3];	2458	static char info[3][256 * 4];
		2459	static int info_idx;
		2460
2829	return debug_desc (info);	2461	return debug_desc (info [++info_idx % 3]);
2830	}	2462	}
2831		2463
		2464	struct region *
		2465	object::region () const
		2466	{
		2467	return map ? map->region (x, y)
		2468	: region::default_region ();
		2469	}
		2470
		2471	const materialtype_t *
		2472	object::dominant_material () const
		2473	{
		2474	if (materialtype_t *mt = name_to_material (materialname))
		2475	return mt;
		2476
		2477	return name_to_material (shstr_unknown);
		2478	}
		2479
		2480	void
		2481	object::open_container (object *new_container)
		2482	{
		2483	if (container == new_container)
		2484	return;
		2485
		2486	object *old_container = container;
		2487
		2488	if (old_container)
		2489	{
		2490	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2491	return;
		2492
		2493	#if 0
		2494	// remove the "Close old_container" object.
		2495	if (object *closer = old_container->inv)
		2496	if (closer->type == CLOSE_CON)
		2497	closer->destroy ();
		2498	#endif
		2499
		2500	// make sure the container is available
		2501	esrv_send_item (this, old_container);
		2502
		2503	old_container->flag [FLAG_APPLIED] = false;
		2504	container = 0;
		2505
		2506	// client needs item update to make it work, client bug requires this to be separate
		2507	esrv_update_item (UPD_FLAGS, this, old_container);
		2508
		2509	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2510	play_sound (sound_find ("chest_close"));
		2511	}
		2512
		2513	if (new_container)
		2514	{
		2515	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2516	return;
		2517
		2518	// TODO: this does not seem to serve any purpose anymore?
		2519	#if 0
		2520	// insert the "Close Container" object.
		2521	if (archetype *closer = new_container->other_arch)
		2522	{
		2523	object *closer = arch_to_object (new_container->other_arch);
		2524	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2525	new_container->insert (closer);
		2526	}
		2527	#endif
		2528
		2529	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2530
		2531	// make sure the container is available, client bug requires this to be separate
		2532	esrv_send_item (this, new_container);
		2533
		2534	new_container->flag [FLAG_APPLIED] = true;
		2535	container = new_container;
		2536
		2537	// client needs flag change
		2538	esrv_update_item (UPD_FLAGS, this, new_container);
		2539	esrv_send_inventory (this, new_container);
		2540	play_sound (sound_find ("chest_open"));
		2541	}
		2542	// else if (!old_container->env && contr && contr->ns)
		2543	// contr->ns->floorbox_reset ();
		2544	}
		2545
		2546	object *
		2547	object::force_find (const shstr name)
		2548	{
		2549	/* cycle through his inventory to look for the MARK we want to
		2550	* place
		2551	*/
		2552	for (object *tmp = inv; tmp; tmp = tmp->below)
		2553	if (tmp->type == FORCE && tmp->slaying == name)
		2554	return splay (tmp);
		2555
		2556	return 0;
		2557	}
		2558
		2559	object *
		2560	object::force_add (const shstr name, int duration)
		2561	{
		2562	if (object *force = force_find (name))
		2563	force->destroy ();
		2564
		2565	object *force = get_archetype (FORCE_NAME);
		2566
		2567	force->slaying = name;
		2568	force->stats.food = 1;
		2569	force->speed_left = -1.f;
		2570
		2571	force->set_speed (duration ? 1.f / duration : 0.f);
		2572	force->flag [FLAG_IS_USED_UP] = true;
		2573	force->flag [FLAG_APPLIED] = true;
		2574
		2575	return insert (force);
		2576	}
		2577
		2578	void
		2579	object::play_sound (faceidx sound)
		2580	{
		2581	if (!sound)
		2582	return;
		2583
		2584	if (flag [FLAG_REMOVED])
		2585	return;
		2586
		2587	if (env)
		2588	{
		2589	if (object *pl = in_player ())
		2590	pl->contr->play_sound (sound);
		2591	}
		2592	else
		2593	map->play_sound (sound, x, y);
		2594	}
		2595
		2596	void
		2597	object::make_noise ()
		2598	{
		2599	// we do not model noise in the map, so instead put
		2600	// a temporary light into the noise source
		2601	// could use the map instead, but that's less reliable for our
		2602	// goal, which is to make invisibility a bit harder to exploit
		2603
		2604	// currently only works sensibly for players
		2605	if (!is_player ())
		2606	return;
		2607
		2608	// find old force, or create new one
		2609	object *force = force_find (shstr_noise_force);
		2610
		2611	if (force)
		2612	force->speed_left = -1.f; // patch old speed up
		2613	else
		2614	{
		2615	force = archetype::get (shstr_noise_force);
		2616
		2617	force->slaying = shstr_noise_force;
		2618	force->stats.food = 1;
		2619	force->speed_left = -1.f;
		2620
		2621	force->set_speed (1.f / 4.f);
		2622	force->flag [FLAG_IS_USED_UP] = true;
		2623	force->flag [FLAG_APPLIED] = true;
		2624
		2625	insert (force);
		2626	}
		2627	}
		2628

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