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Comparing deliantra/server/common/object.C (file contents):
Revision 1.56 by root, Sun Dec 3 02:04:57 2006 UTC vs.
Revision 1.237 by root, Tue May 6 21:04:37 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;
38		37
39	object *active_objects; /* List of active objects that need to be processed */	38	objectvec objects;
		39	activevec actives;
40		40
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,	41	short freearr_x[SIZEOFFREE] = {
		42	0,
		43	0, 1, 1, 1, 0, -1, -1, -1,
		44	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	45	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	};	46	};
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,	47	short freearr_y[SIZEOFFREE] = {
		48	0,
		49	-1, -1, 0, 1, 1, 1, 0, -1,
		50	-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	51	-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	};	52	};
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,	53	int maxfree[SIZEOFFREE] = {
		54	0,
		55	9, 10, 13, 14, 17, 18, 21, 22,
		56	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	57	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	};	58	};
50	int freedir[SIZEOFFREE] = {	59	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,	60	0,
		61	1, 2, 3, 4, 5, 6, 7, 8,
		62	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	63	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	};	64	};
54		65
55	static void	66	static void
56	write_uuid (void)	67	write_uuid (uval64 skip, bool sync)
57	{	68	{
58	char filename1[MAX_BUF], filename2[MAX_BUF];	69	CALL_BEGIN (2);
59		70	CALL_ARG_SV (newSVval64 (skip));
60	sprintf (filename1, "%s/uuid", settings.localdir);	71	CALL_ARG_SV (boolSV (sync));
61	sprintf (filename2, "%s/uuid~", settings.localdir);	72	CALL_CALL ("cf::write_uuid", G_DISCARD);
62		73	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	}	74	}
75		75
76	static void	76	static void
77	read_uuid (void)	77	read_uuid (void)
78	{	78	{
79	char filename[MAX_BUF];	79	char filename[MAX_BUF];
80		80
81	sprintf (filename, "%s/uuid", settings.localdir);	81	sprintf (filename, "%s/uuid", settings.localdir);
		82
		83	seq_next_save = 0;
82		84
83	FILE *fp;	85	FILE *fp;
84		86
85	if (!(fp = fopen (filename, "r")))	87	if (!(fp = fopen (filename, "r")))
86	{	88	{
87	if (errno == ENOENT)	89	if (errno == ENOENT)
88	{	90	{
89	LOG (llevInfo, "RESET uid to 1\n");	91	LOG (llevInfo, "RESET uid to 1\n");
90	uuid.seq = 0;	92	UUID::cur.seq = 0;
91	write_uuid ();	93	write_uuid (UUID_GAP, true);
92	return;	94	return;
93	}	95	}
94		96
95	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
96	_exit (1);	98	_exit (1);
97	}	99	}
98		100
99	int version;	101	UUID::BUF buf;
100	unsigned long long uid;	102	buf[0] = 0;
101	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	103	fgets (buf, sizeof (buf), fp);
		104
		105	if (!UUID::cur.parse (buf))
102	{	106	{
103	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	107	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
104	_exit (1);	108	_exit (1);
105	}	109	}
106		110
107	uuid.seq = uid;
108	write_uuid ();
109	LOG (llevDebug, "read UID: %lld\n", uid);	111	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
		112
		113	write_uuid (UUID_GAP, true);
110	fclose (fp);	114	fclose (fp);
111	}	115	}
112		116
113	UUID	117	UUID
114	gen_uuid ()	118	UUID::gen ()
115	{	119	{
116	UUID uid;	120	UUID uid;
117		121
118	uid.seq = ++uuid.seq;	122	uid.seq = ++cur.seq;
119		123
120	if (!(uuid.seq & (UUID_SKIP - 1)))	124	if (expect_false (cur.seq >= seq_next_save))
121	write_uuid ();	125	{
		126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		127	write_uuid (UUID_GAP, false);
		128	}
		129
122		130
123	return uid;	131	return uid;
124	}	132	}
125		133
126	void	134	void
127	init_uuid ()	135	UUID::init ()
128	{	136	{
129	read_uuid ();	137	read_uuid ();
130	}	138	}
131		139
132	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	140	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
133	static int	141	static bool
134	compare_ob_value_lists_one (const object *wants, const object *has)	142	compare_ob_value_lists_one (const object *wants, const object *has)
135	{	143	{
136	key_value *wants_field;
137
138	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	144	/* 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	145	* objects with lists are rare, and lists stay short. If not, use a
140	* different structure or at least keep the lists sorted...	146	* different structure or at least keep the lists sorted...
141	*/	147	*/
142		148
143	/* For each field in wants, */	149	/* For each field in wants, */
144	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	150	for (key_value *kv = wants->key_values; kv; kv = kv->next)
145	{	151	if (has->kv_get (kv->key) != kv->value)
146	key_value *has_field;	152	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		153
167	/* If we get here, every field in wants has a matching field in has. */	154	/* If we get here, every field in wants has a matching field in has. */
168	return TRUE;	155	return true;
169	}	156	}
170		157
171	/* Returns TRUE if ob1 has the same key_values as ob2. */	158	/* Returns TRUE if ob1 has the same key_values as ob2. */
172	static int	159	static bool
173	compare_ob_value_lists (const object *ob1, const object *ob2)	160	compare_ob_value_lists (const object *ob1, const object *ob2)
174	{	161	{
175	/* However, there may be fields in has which aren't partnered in wants,	162	/* However, there may be fields in has which aren't partnered in wants,
176	* so we need to run the comparison *twice*. :(	163	* so we need to run the comparison *twice*. :(
177	*/	164	*/
178	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	165	return compare_ob_value_lists_one (ob1, ob2)
		166	&& compare_ob_value_lists_one (ob2, ob1);
179	}	167	}
180		168
181	/* Function examines the 2 objects given to it, and returns true if	169	/* Function examines the 2 objects given to it, and returns true if
182	* they can be merged together.	170	* they can be merged together.
183	*	171	*
184	* Note that this function appears a lot longer than the macro it	172	* Note that this function appears a lot longer than the macro it
185	* replaces - this is mostly for clarity - a decent compiler should hopefully	173	* replaces - this is mostly for clarity - a decent compiler should hopefully
186	* reduce this to the same efficiency.	174	* reduce this to the same efficiency.
187	*	175	*
188	* Check nrof variable *before* calling CAN_MERGE()	176	* Check nrof variable *before* calling can_merge()
189	*	177	*
190	* Improvements made with merge: Better checking on potion, and also	178	* Improvements made with merge: Better checking on potion, and also
191	* check weight	179	* check weight
192	*/	180	*/
193
194	bool object::can_merge (object *ob1, object *ob2)	181	bool object::can_merge_slow (object *ob1, object *ob2)
195	{	182	{
196	/* A couple quicksanity checks */	183	/* A couple quicksanity checks */
197	if ((ob1 == ob2) || (ob1->type != ob2->type))	184	if (ob1 == ob2
		185	|| ob1->type != ob2->type
		186	|| ob1->speed != ob2->speed
		187	|| ob1->value != ob2->value
		188	|| ob1->name != ob2->name)
198	return 0;	189	return 0;
199		190
200	if (ob1->speed != ob2->speed)	191	/* Do not merge objects if nrof would overflow. First part checks
		192	* for unsigned overflow (2c), second part checks whether the result
		193	* would fit into a 32 bit signed int, which is often used to hold
		194	* nrof values.
		195	*/
		196	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
201	return 0;	197	return 0;
202		198
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.	199	/* 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	200	* 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	201	* 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	202	* are not equal - just if it has been identified, the been_applied
214	* flags lose any meaning.	203	* flags lose any meaning.
215	*/	204	*/
216	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	205	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
217	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	206	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
218		207
219	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	208	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
220	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	209	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
221		210
222		211	if (ob1->arch->name != ob2->arch->name
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) ||	212	|| ob1->name != ob2->name
233	(ob1->title != ob2->title) ||	213	|| ob1->title != ob2->title
234	(ob1->msg != ob2->msg) ||	214	|| ob1->msg != ob2->msg
235	(ob1->weight != ob2->weight) ||	215	|| 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) ||	216	|| ob1->attacktype != ob2->attacktype
239	(ob1->magic != ob2->magic) ||	217	|| ob1->magic != ob2->magic
240	(ob1->slaying != ob2->slaying) ||	218	|| ob1->slaying != ob2->slaying
241	(ob1->skill != ob2->skill) ||	219	|| ob1->skill != ob2->skill
242	(ob1->value != ob2->value) ||	220	|| ob1->value != ob2->value
243	(ob1->animation_id != ob2->animation_id) ||	221	|| ob1->animation_id != ob2->animation_id
244	(ob1->client_type != ob2->client_type) ||	222	|| ob1->client_type != ob2->client_type
245	(ob1->materialname != ob2->materialname) ||	223	|| ob1->materialname != ob2->materialname
246	(ob1->lore != ob2->lore) ||	224	|| ob1->lore != ob2->lore
247	(ob1->subtype != ob2->subtype) ||	225	|| ob1->subtype != ob2->subtype
248	(ob1->move_type != ob2->move_type) ||	226	|| ob1->move_type != ob2->move_type
249	(ob1->move_block != ob2->move_block) ||	227	|| ob1->move_block != ob2->move_block
250	(ob1->move_allow != ob2->move_allow) ||	228	|| ob1->move_allow != ob2->move_allow
251	(ob1->move_on != ob2->move_on) ||	229	|| 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))	230	|| ob1->move_off != ob2->move_off
		231	|| ob1->move_slow != ob2->move_slow
		232	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
253	return 0;	235	return 0;
254		236
		237	if ((ob1->flag ^ ob2->flag)
		238	.reset (FLAG_INV_LOCKED)
		239	.reset (FLAG_CLIENT_SENT)
		240	.reset (FLAG_REMOVED)
		241	.any ())
		242	return 0;
		243
255	/* This is really a spellbook check - really, we should	244	/* This is really a spellbook check - we should in general
256	* check all objects in the inventory.	245	* not merge objects with real inventories, as splitting them
		246	* is hard.
257	*/	247	*/
258	if (ob1->inv || ob2->inv)	248	if (ob1->inv || ob2->inv)
259	{	249	{
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))	250	if (!(ob1->inv && ob2->inv))
266	return 0;	251	return 0; /* inventories differ in length */
		252
		253	if (ob1->inv->below || ob2->inv->below)
		254	return 0; /* more than one object in inv */
		255
		256	if (!object::can_merge (ob1->inv, ob2->inv))
		257	return 0; /* inventory objects differ */
267		258
268	/* inventory ok - still need to check rest of this object to see	259	/* inventory ok - still need to check rest of this object to see
269	* if it is valid.	260	* if it is valid.
270	*/	261	*/
271	}	262	}
…		…
279		270
280	/* Note sure why the following is the case - either the object has to	271	/* 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	272	* be animated or have a very low speed. Is this an attempted monster
282	* check?	273	* check?
283	*/	274	*/
284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	275	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
285	return 0;	276	return 0;
286		277
287	switch (ob1->type)	278	switch (ob1->type)
288	{	279	{
289	case SCROLL:	280	case SCROLL:
290	if (ob1->level != ob2->level)	281	if (ob1->level != ob2->level)
291	return 0;	282	return 0;
292	break;	283	break;
293	}	284	}
294		285
295	if (ob1->key_values != NULL || ob2->key_values != NULL)	286	if (ob1->key_values || ob2->key_values)
296	{	287	{
297	/* At least one of these has key_values. */	288	/* At least one of these has key_values. */
298	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	289	if ((!ob1->key_values) != (!ob2->key_values))
299	/* One has fields, but the other one doesn't. */	290	return 0; /* One has fields, but the other one doesn't. */
		291
		292	if (!compare_ob_value_lists (ob1, ob2))
300	return 0;	293	return 0;
301	else if (!compare_ob_value_lists (ob1, ob2))
302	return 0;
303	}	294	}
304		295
305	//TODO: generate an event or call into perl for additional checks
306	if (ob1->self || ob2->self)	296	if (ob1->self || ob2->self)
307	{	297	{
308	ob1->optimise ();	298	ob1->optimise ();
309	ob2->optimise ();	299	ob2->optimise ();
310		300
311	if (ob1->self || ob2->self)	301	if (ob1->self || ob2->self)
		302	{
		303	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		304	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		305
		306	if (k1 != k2)
312	return 0;	307	return 0;
		308
		309	if (k1 == 0)
		310	return 1;
		311
		312	if (!cfperl_can_merge (ob1, ob2))
		313	return 0;
		314	}
313	}	315	}
314		316
315	/* Everything passes, must be OK. */	317	/* Everything passes, must be OK. */
316	return 1;	318	return 1;
317	}	319	}
318		320
		321	// find player who can see this object
		322	object *
		323	object::visible_to () const
		324	{
		325	if (client_visible () && !flag [FLAG_REMOVED])
		326	{
		327	// see if we are in a container of sorts
		328	if (env)
		329	{
		330	// the player inventory itself is always visible
		331	if (env->type == PLAYER)
		332	return env;
		333
		334	// else a player could have our env open
		335	object *envest = env->outer_env ();
		336
		337	// the player itself is always on a map, so we will find him here
		338	// even if our inv is in a player.
		339	if (envest->is_on_map ())
		340	if (object *pl = envest->ms ().player ())
		341	if (pl->container == env)
		342	return pl;
		343	}
		344	else
		345	{
		346	// maybe there is a player standing on the same mapspace
		347	// this will catch the case where "this" is a player
		348	if (object *pl = ms ().player ())
		349	if (!pl->container || this == pl->container)
		350	return pl;
		351	}
		352	}
		353
		354	return 0;
		355	}
		356
		357	// adjust weight per container type ("of holding")
		358	static sint32
		359	weight_adjust_for (object *op, sint32 weight)
		360	{
		361	return op->type == CONTAINER
		362	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		363	: weight;
		364	}
		365
319	/*	366	/*
		367	* adjust_weight(object, weight) adds the specified weight to an object,
		368	* and also updates how much the environment(s) is/are carrying.
		369	*/
		370	static void
		371	adjust_weight (object *op, sint32 weight)
		372	{
		373	while (op)
		374	{
		375	// adjust by actual difference to account for rounding errors
		376	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		377	weight = weight_adjust_for (op, op->carrying)
		378	- weight_adjust_for (op, op->carrying - weight);
		379
		380	if (!weight)
		381	return;
		382
		383	op->carrying += weight;
		384
		385	if (object *pl = op->visible_to ())
		386	if (pl != op) // player is handled lazily
		387	esrv_update_item (UPD_WEIGHT, pl, op);
		388
		389	op = op->env;
		390	}
		391	}
		392
		393	/*
320	* sum_weight() is a recursive function which calculates the weight	394	* this is a recursive function which calculates the weight
321	* an object is carrying. It goes through in figures out how much	395	* an object is carrying. It goes through op and figures out how much
322	* containers are carrying, and sums it up.	396	* containers are carrying, and sums it up.
323	*/	397	*/
324	long	398	void
325	sum_weight (object *op)	399	object::update_weight ()
326	{	400	{
327	long sum;	401	sint32 sum = 0;
328	object *inv;
329		402
330	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	403	for (object *op = inv; op; op = op->below)
331	{	404	{
332	if (inv->inv)	405	if (op->inv)
333	sum_weight (inv);	406	op->update_weight ();
334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	407
		408	sum += op->total_weight ();
		409	}
		410
		411	sum = weight_adjust_for (this, sum);
		412
		413	if (sum != carrying)
335	}	414	{
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;	415	carrying = sum;
342		416
343	return sum;	417	if (object *pl = visible_to ())
		418	if (pl != this) // player is handled lazily
		419	esrv_update_item (UPD_WEIGHT, pl, this);
		420	}
344	}	421	}
345		422
346	/**	423	/*
347	* Return the outermost environment object for a given object.	424	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
348	*/	425	*/
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 *	426	char *
380	dump_object (object *op)	427	dump_object (object *op)
381	{	428	{
382	if (!op)	429	if (!op)
383	return strdup ("[NULLOBJ]");	430	return strdup ("[NULLOBJ]");
384		431
385	object_freezer freezer;	432	object_freezer freezer;
386	save_object (freezer, op, 3);	433	op->write (freezer);
387	return freezer.as_string ();	434	return freezer.as_string ();
388	}	435	}
389		436
390	/*	437	/*
391	* get_nearest_part(multi-object, object 2) returns the part of the	438	* get_nearest_part(multi-object, object 2) returns the part of the
392	* multi-object 1 which is closest to the second object.	439	* multi-object 1 which is closest to the second object.
393	* If it's not a multi-object, it is returned.	440	* If it's not a multi-object, it is returned.
394	*/	441	*/
395
396	object *	442	object *
397	get_nearest_part (object *op, const object *pl)	443	get_nearest_part (object *op, const object *pl)
398	{	444	{
399	object *tmp, *closest;	445	object *tmp, *closest;
400	int last_dist, i;	446	int last_dist, i;
401		447
402	if (op->more == NULL)	448	if (!op->more)
403	return op;	449	return op;
		450
404	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	451	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		452	tmp;
		453	tmp = tmp->more)
405	if ((i = distance (tmp, pl)) < last_dist)	454	if ((i = distance (tmp, pl)) < last_dist)
406	closest = tmp, last_dist = i;	455	closest = tmp, last_dist = i;
		456
407	return closest;	457	return closest;
408	}	458	}
409		459
410	/*	460	/*
411	* Returns the object which has the count-variable equal to the argument.	461	* Returns the object which has the count-variable equal to the argument.
		462	* VERRRY slow.
412	*/	463	*/
413
414	object *	464	object *
415	find_object (tag_t i)	465	find_object (tag_t i)
416	{	466	{
417	for (object *op = object::first; op; op = op->next)	467	for_all_objects (op)
418	if (op->count == i)	468	if (op->count == i)
419	return op;	469	return op;
420		470
421	return 0;	471	return 0;
422	}	472	}
423		473
424	/*	474	/*
425	* Returns the first object which has a name equal to the argument.	475	* Returns the first object which has a name equal to the argument.
426	* Used only by the patch command, but not all that useful.	476	* Used only by the patch command, but not all that useful.
427	* Enables features like "patch <name-of-other-player> food 999"	477	* Enables features like "patch <name-of-other-player> food 999"
428	*/	478	*/
429
430	object *	479	object *
431	find_object_name (const char *str)	480	find_object_name (const char *str)
432	{	481	{
433	shstr_cmp str_ (str);	482	shstr_cmp str_ (str);
434	object *op;	483	object *op;
435		484
436	for (op = object::first; op != NULL; op = op->next)	485	for_all_objects (op)
437	if (op->name == str_)	486	if (op->name == str_)
438	break;	487	break;
439		488
440	return op;	489	return op;
441	}	490	}
442		491
443	void
444	free_all_object_data ()
445	{
446	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
447	}
448
449	/*	492	/*
450	* Sets the owner and sets the skill and exp pointers to owner's current	493	* Sets the owner and sets the skill and exp pointers to owner's current
451	* skill and experience objects.	494	* skill and experience objects.
		495	* ACTUALLY NO! investigate! TODO
452	*/	496	*/
453	void	497	void
454	object::set_owner (object *owner)	498	object::set_owner (object *owner)
455	{	499	{
		500	// allow objects which own objects
456	if (!owner)	501	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)	502	while (owner->owner)
467	owner = owner->owner;	503	owner = owner->owner;
		504
		505	if (flag [FLAG_FREED])
		506	{
		507	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		508	return;
		509	}
468		510
469	this->owner = owner;	511	this->owner = owner;
		512	}
		513
		514	int
		515	object::slottype () const
		516	{
		517	if (type == SKILL)
		518	{
		519	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		520	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		521	}
		522	else
		523	{
		524	if (slot [body_combat].info) return slot_combat;
		525	if (slot [body_range ].info) return slot_ranged;
		526	}
		527
		528	return slot_none;
		529	}
		530
		531	bool
		532	object::change_weapon (object *ob)
		533	{
		534	if (current_weapon == ob)
		535	return true;
		536
		537	if (chosen_skill)
		538	chosen_skill->flag [FLAG_APPLIED] = false;
		539
		540	current_weapon = ob;
		541	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		542
		543	if (chosen_skill)
		544	chosen_skill->flag [FLAG_APPLIED] = true;
		545
		546	update_stats ();
		547
		548	if (ob)
		549	{
		550	// now check wether any body locations became invalid, in which case
		551	// we cannot apply the weapon at the moment.
		552	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		553	if (slot[i].used < 0)
		554	{
		555	current_weapon = chosen_skill = 0;
		556	update_stats ();
		557
		558	new_draw_info_format (NDI_UNIQUE, 0, this,
		559	"You try to balance all your items at once, "
		560	"but the %s is just too much for your body. "
		561	"[You need to unapply some items first.]", &ob->name);
		562	return false;
		563	}
		564
		565	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		566	}
		567	else
		568	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		569
		570	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		571	{
		572	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		573	&name, ob->debug_desc ());
		574	return false;
		575	}
		576
		577	return true;
470	}	578	}
471		579
472	/* Zero the key_values on op, decrementing the shared-string	580	/* Zero the key_values on op, decrementing the shared-string
473	* refcounts and freeing the links.	581	* refcounts and freeing the links.
474	*/	582	*/
475	static void	583	static void
476	free_key_values (object *op)	584	free_key_values (object *op)
477	{	585	{
478	for (key_value *i = op->key_values; i != 0;)	586	for (key_value *i = op->key_values; i; )
479	{	587	{
480	key_value *next = i->next;	588	key_value *next = i->next;
481	delete i;	589	delete i;
482		590
483	i = next;	591	i = next;
484	}	592	}
485		593
486	op->key_values = 0;	594	op->key_values = 0;
487	}	595	}
488		596
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	/*	597	/*
541	* copy object first frees everything allocated by the second object,	598	* copy_to first frees everything allocated by the dst object,
542	* and then copies the contends of the first object into the second	599	* and then copies the contents of itself into the second
543	* object, allocating what needs to be allocated. Basically, any	600	* object, allocating what needs to be allocated. Basically, any
544	* data that is malloc'd needs to be re-malloc/copied. Otherwise,	601	* 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	602	* if the first object is freed, the pointers in the new object
546	* will point at garbage.	603	* will point at garbage.
547	*/	604	*/
548	void	605	void
549	copy_object (object *op2, object *op)	606	object::copy_to (object *dst)
550	{	607	{
551	bool is_freed = QUERY_FLAG (op, FLAG_FREED);	608	dst->remove ();
552	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);	609	*(object_copy *)dst = *this;
553		610	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		611
564	/* Copy over key_values, if any. */	612	/* Copy over key_values, if any. */
565	if (op2->key_values)	613	if (key_values)
566	{	614	{
567	key_value *tail = 0;	615	key_value *tail = 0;
568	key_value *i;
569
570	op->key_values = 0;	616	dst->key_values = 0;
571		617
572	for (i = op2->key_values; i; i = i->next)	618	for (key_value *i = key_values; i; i = i->next)
573	{	619	{
574	key_value *new_link = new key_value;	620	key_value *new_link = new key_value;
575		621
576	new_link->next = 0;	622	new_link->next = 0;
577	new_link->key = i->key;	623	new_link->key = i->key;
578	new_link->value = i->value;	624	new_link->value = i->value;
579		625
580	/* Try and be clever here, too. */	626	/* Try and be clever here, too. */
581	if (!op->key_values)	627	if (!dst->key_values)
582	{	628	{
583	op->key_values = new_link;	629	dst->key_values = new_link;
584	tail = new_link;	630	tail = new_link;
585	}	631	}
586	else	632	else
587	{	633	{
588	tail->next = new_link;	634	tail->next = new_link;
589	tail = new_link;	635	tail = new_link;
590	}	636	}
591	}	637	}
592	}	638	}
593		639
594	update_ob_speed (op);	640	if (speed < 0)
		641	dst->speed_left -= rndm ();
		642
		643	dst->set_speed (dst->speed);
		644	}
		645
		646	void
		647	object::instantiate ()
		648	{
		649	if (!uuid.seq) // HACK
		650	uuid = UUID::gen ();
		651
		652	speed_left = -0.1f;
		653	/* copy the body_info to the body_used - this is only really
		654	* need for monsters, but doesn't hurt to do it for everything.
		655	* by doing so, when a monster is created, it has good starting
		656	* values for the body_used info, so when items are created
		657	* for it, they can be properly equipped.
		658	*/
		659	for (int i = NUM_BODY_LOCATIONS; i--; )
		660	slot[i].used = slot[i].info;
		661
		662	attachable::instantiate ();
		663	}
		664
		665	object *
		666	object::clone ()
		667	{
		668	object *neu = create ();
		669	copy_to (neu);
		670	neu->map = map; // not copied by copy_to
		671	return neu;
595	}	672	}
596		673
597	/*	674	/*
598	* If an object with the IS_TURNABLE() flag needs to be turned due	675	* 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	676	* 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.	677	* be called to update the face variable, _and_ how it looks on the map.
601	*/	678	*/
602
603	void	679	void
604	update_turn_face (object *op)	680	update_turn_face (object *op)
605	{	681	{
606	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	682	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
607	return;	683	return;
		684
608	SET_ANIMATION (op, op->direction);	685	SET_ANIMATION (op, op->direction);
609	update_object (op, UP_OBJ_FACE);	686	update_object (op, UP_OBJ_FACE);
610	}	687	}
611		688
612	/*	689	/*
613	* Updates the speed of an object. If the speed changes from 0 to another	690	* 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.	691	* 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.	692	* This function needs to be called whenever the speed of an object changes.
616	*/	693	*/
617	void	694	void
618	update_ob_speed (object *op)	695	object::set_speed (float speed)
619	{	696	{
620	extern int arch_init;	697	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	{	698	{
628	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	699	LOG (llevError, "Object %s is freed but has speed.\n", &name);
629	#ifdef MANY_CORES
630	abort ();
631	#else
632	op->speed = 0;	700	speed = 0;
633	#endif
634	}
635
636	if (arch_init)
637	return;
638
639	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
640	{	701	}
641	/* If already on active list, don't do anything */
642	if (op->active_next || op->active_prev || op == active_objects)
643	return;
644		702
645	/* process_events() expects us to insert the object at the beginning	703	this->speed = speed;
646	* of the list. */
647	op->active_next = active_objects;
648		704
649	if (op->active_next != NULL)	705	if (has_active_speed ())
650	op->active_next->active_prev = op;	706	activate ();
651
652	active_objects = op;
653	}
654	else	707	else
655	{	708	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	}	709	}
679		710
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	/*	711	/*
712	* update_object() updates the array which represents the map.	712	* update_object() updates the the map.
713	* It takes into account invisible objects (and represent squares covered	713	* It takes into account invisible objects (and represent squares covered
714	* by invisible objects by whatever is below them (unless it's another	714	* by invisible objects by whatever is below them (unless it's another
715	* invisible object, etc...)	715	* invisible object, etc...)
716	* If the object being updated is beneath a player, the look-window	716	* 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	717	* of that player is updated (this might be a suboptimal way of
718	* updating that window, though, since update_object() is called _often_)	718	* updating that window, though, since update_object() is called _often_)
719	*	719	*
720	* action is a hint of what the caller believes need to be done.	720	* 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:	721	* current action are:
726	* UP_OBJ_INSERT: op was inserted	722	* UP_OBJ_INSERT: op was inserted
727	* UP_OBJ_REMOVE: op was removed	723	* UP_OBJ_REMOVE: op was removed
728	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	724	* 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.	725	* as that is easier than trying to look at what may have changed.
730	* UP_OBJ_FACE: only the objects face has changed.	726	* UP_OBJ_FACE: only the objects face has changed.
731	*/	727	*/
732
733	void	728	void
734	update_object (object *op, int action)	729	update_object (object *op, int action)
735	{	730	{
736	int update_now = 0, flags;	731	if (!op)
737	MoveType move_on, move_off, move_block, move_slow;
738
739	if (op == NULL)
740	{	732	{
741	/* this should never happen */	733	/* this should never happen */
742	LOG (llevDebug, "update_object() called for NULL object.\n");	734	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
743	return;	735	return;
744	}	736	}
745		737
746	if (op->env != NULL)	738	if (!op->is_on_map ())
747	{	739	{
748	/* Animation is currently handled by client, so nothing	740	/* Animation is currently handled by client, so nothing
749	* to do in this case.	741	* to do in this case.
750	*/	742	*/
751	return;	743	return;
752	}	744	}
753		745
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 */	746	/* 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))	747	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
762	{	748	{
763	LOG (llevError, "update_object() called for object out of map!\n");	749	LOG (llevError, "update_object() called for object out of map!\n");
764	#ifdef MANY_CORES	750	#ifdef MANY_CORES
765	abort ();	751	abort ();
766	#endif	752	#endif
767	return;	753	return;
768	}	754	}
769		755
770	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	756	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		757
		758	if (!(m.flags_ & P_UPTODATE))
		759	/* nop */;
777	if (action == UP_OBJ_INSERT)	760	else if (action == UP_OBJ_INSERT)
778	{	761	{
		762	// this is likely overkill, TODO: revisit (schmorp)
779	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	763	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))	764	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
783	update_now = 1;	765	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
784		766	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		767	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
785	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	768	|| (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)	769	|| (m.move_on | op->move_on ) != m.move_on
795	update_now = 1;
796
797	if ((move_off | op->move_off) != move_off)	770	|| (m.move_off | op->move_off ) != m.move_off
798	update_now = 1;	771	|| (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	772	/* This isn't perfect, but I don't expect a lot of objects to
801	* to have move_allow right now.	773	* to have move_allow right now.
802	*/	774	*/
803	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	775	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
804	update_now = 1;	776	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
805		777	m.flags_ = 0;
806	if ((move_slow | op->move_slow) != move_slow)
807	update_now = 1;
808	}	778	}
809	/* if the object is being removed, we can't make intelligent	779	/* if the object is being removed, we can't make intelligent
810	* decisions, because remove_ob can't really pass the object	780	* decisions, because remove_ob can't really pass the object
811	* that is being removed.	781	* that is being removed.
812	*/	782	*/
813	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	783	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
814	update_now = 1;	784	m.flags_ = 0;
815	else if (action == UP_OBJ_FACE)	785	else if (action == UP_OBJ_FACE)
816	/* Nothing to do for that case */ ;	786	/* Nothing to do for that case */ ;
817	else	787	else
818	LOG (llevError, "update_object called with invalid action: %d\n", action);	788	LOG (llevError, "update_object called with invalid action: %d\n", action);
819		789
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)	790	if (op->more)
827	update_object (op->more, action);	791	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	}	792	}
853		793
854	object::object ()	794	object::object ()
855	{	795	{
856	SET_FLAG (this, FLAG_REMOVED);	796	SET_FLAG (this, FLAG_REMOVED);
…		…
859	face = blank_face;	799	face = blank_face;
860	}	800	}
861		801
862	object::~object ()	802	object::~object ()
863	{	803	{
		804	unlink ();
		805
864	free_key_values (this);	806	free_key_values (this);
865	}	807	}
866		808
		809	static int object_count;
		810
867	void object::link ()	811	void object::link ()
868	{	812	{
		813	assert (!index);//D
		814	uuid = UUID::gen ();
869	count = ++ob_count;	815	count = ++object_count;
870	uuid = gen_uuid ();
871		816
872	prev = 0;	817	refcnt_inc ();
873	next = object::first;	818	objects.insert (this);
874
875	if (object::first)
876	object::first->prev = this;
877
878	object::first = this;
879	}	819	}
880		820
881	void object::unlink ()	821	void object::unlink ()
882	{	822	{
883	if (this == object::first)	823	if (!index)
884	object::first = next;	824	return;
885		825
886	/* Remove this object from the list of used objects */	826	objects.erase (this);
887	if (prev) prev->next = next;	827	refcnt_dec ();
888	if (next) next->prev = prev;	828	}
889		829
890	prev = 0;	830	void
891	next = 0;	831	object::activate ()
		832	{
		833	/* If already on active list, don't do anything */
		834	if (active)
		835	return;
		836
		837	if (has_active_speed ())
		838	actives.insert (this);
		839	}
		840
		841	void
		842	object::activate_recursive ()
		843	{
		844	activate ();
		845
		846	for (object *op = inv; op; op = op->below)
		847	op->activate_recursive ();
		848	}
		849
		850	/* This function removes object 'op' from the list of active
		851	* objects.
		852	* This should only be used for style maps or other such
		853	* reference maps where you don't want an object that isn't
		854	* in play chewing up cpu time getting processed.
		855	* The reverse of this is to call update_ob_speed, which
		856	* will do the right thing based on the speed of the object.
		857	*/
		858	void
		859	object::deactivate ()
		860	{
		861	/* If not on the active list, nothing needs to be done */
		862	if (!active)
		863	return;
		864
		865	actives.erase (this);
		866	}
		867
		868	void
		869	object::deactivate_recursive ()
		870	{
		871	for (object *op = inv; op; op = op->below)
		872	op->deactivate_recursive ();
		873
		874	deactivate ();
		875	}
		876
		877	void
		878	object::set_flag_inv (int flag, int value)
		879	{
		880	for (object *op = inv; op; op = op->below)
		881	{
		882	op->flag [flag] = value;
		883	op->set_flag_inv (flag, value);
		884	}
		885	}
		886
		887	/*
		888	* Remove and free all objects in the inventory of the given object.
		889	* object.c ?
		890	*/
		891	void
		892	object::destroy_inv (bool drop_to_ground)
		893	{
		894	// need to check first, because the checks below might segfault
		895	// as we might be on an invalid mapspace and crossfire code
		896	// is too buggy to ensure that the inventory is empty.
		897	// corollary: if you create arrows etc. with stuff in its inventory,
		898	// cf will crash below with off-map x and y
		899	if (!inv)
		900	return;
		901
		902	/* Only if the space blocks everything do we not process -
		903	* if some form of movement is allowed, let objects
		904	* drop on that space.
		905	*/
		906	if (!drop_to_ground
		907	|| !map
		908	|| map->in_memory != MAP_ACTIVE
		909	|| map->nodrop
		910	|| ms ().move_block == MOVE_ALL)
		911	{
		912	while (inv)
		913	{
		914	inv->destroy_inv (false);
		915	inv->destroy ();
		916	}
		917	}
		918	else
		919	{ /* Put objects in inventory onto this space */
		920	while (inv)
		921	{
		922	object *op = inv;
		923
		924	if (op->flag [FLAG_STARTEQUIP]
		925	|| op->flag [FLAG_NO_DROP]
		926	|| op->type == RUNE
		927	|| op->type == TRAP
		928	|| op->flag [FLAG_IS_A_TEMPLATE]
		929	|| op->flag [FLAG_DESTROY_ON_DEATH])
		930	op->destroy (true);
		931	else
		932	map->insert (op, x, y);
		933	}
		934	}
892	}	935	}
893		936
894	object *object::create ()	937	object *object::create ()
895	{	938	{
896	object *op = new object;	939	object *op = new object;
897	op->link ();	940	op->link ();
898	return op;	941	return op;
899	}	942	}
900		943
901	/*	944	static struct freed_map : maptile
902	* free_object() frees everything allocated by an object, removes	945	{
903	* it from the list of used objects, and puts it on the list of	946	freed_map ()
904	* free objects. The IS_FREED() flag is set in the object.	947	{
905	* The object must have been removed by remove_ob() first for	948	path = "<freed objects map>";
906	* this function to succeed.	949	name = "/internal/freed_objects_map";
907	*	950	width = 3;
908	* If destroy_inventory is set, free inventory as well. Else drop items in	951	height = 3;
909	* inventory to the ground.	952	nodrop = 1;
910	*/	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
911	void object::destroy (bool destroy_inventory)	1003	object::destroy (bool destroy_inventory)
912	{	1004	{
913	if (QUERY_FLAG (this, FLAG_FREED))	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	// hack to ensure that freed objects still have a valid map
925	{
926	static maptile *freed_map; // freed objects are moved here to avoid crashes
927
928	if (!freed_map)
929	{	1009	{
930	freed_map = new maptile;	1010	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
931
932	freed_map->name = "/internal/freed_objects_map";
933	freed_map->width = 3;
934	freed_map->height = 3;
935
936	freed_map->allocate ();
937	}
938
939	map = freed_map;
940	x = 1;
941	y = 1;
942	}
943
944	if (more)
945	{
946	more->destroy (destroy_inventory);	1011	head->destroy (destroy_inventory);
947	more = 0;	1012	return;
948	}
949
950	if (inv)
951	{	1013	}
952	/* Only if the space blocks everything do we not process -
953	* if some form of movement is allowed, let objects
954	* drop on that space.
955	*/
956	if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
957	{
958	object *op = inv;
959		1014
960	while (op)	1015	destroy_inv (!destroy_inventory);
961	{
962	object *tmp = op->below;
963	op->destroy (destroy_inventory);
964	op = tmp;
965	}
966	}
967	else
968	{ /* Put objects in inventory onto this space */
969	object *op = inv;
970		1016
971	while (op)	1017	if (is_head ())
972	{	1018	if (sound_destroy)
973	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
974		1022
975	remove_ob (op);	1023	attachable::destroy ();
976
977	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
978	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
979	free_object (op);
980	else
981	{
982	op->x = x;
983	op->y = y;
984	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
985	}
986
987	op = tmp;
988	}
989	}
990	}
991
992	// clear those pointers that likely might have circular references to us
993	owner = 0;
994	enemy = 0;
995	attacked_by = 0;
996
997	// only relevant for players(?), but make sure of it anyways
998	contr = 0;
999
1000	/* Remove object from the active list */
1001	speed = 0;
1002	update_ob_speed (this);
1003
1004	unlink ();
1005
1006	mortals.push_back (this);
1007	}	1024	}
1008		1025
1009	/*	1026	/* op->remove ():
1010	* sub_weight() recursively (outwards) subtracts a number from the
1011	* weight of an object (and what is carried by it's environment(s)).
1012	*/
1013
1014	void
1015	sub_weight (object *op, signed long weight)
1016	{
1017	while (op != NULL)
1018	{
1019	if (op->type == CONTAINER)
1020	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1021
1022	op->carrying -= weight;
1023	op = op->env;
1024	}
1025	}
1026
1027	/* remove_ob(op):
1028	* 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
1029	* 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
1030	* object will have no environment. If the object previously had an	1029	* object will have no environment. If the object previously had an
1031	* environment, the x and y coordinates will be updated to	1030	* environment, the x and y coordinates will be updated to
1032	* the previous environment.	1031	* the previous environment.
1033	* Beware: This function is called from the editor as well!
1034	*/	1032	*/
1035
1036	void	1033	void
1037	remove_ob (object *op)	1034	object::do_remove ()
1038	{	1035	{
1039	object *tmp, *last = 0;	1036	object *tmp, *last = 0;
1040	object *otmp;	1037	object *otmp;
1041		1038
1042	int check_walk_off;	1039	if (flag [FLAG_REMOVED])
1043	maptile *m;
1044
1045	sint16 x, y;
1046
1047	if (QUERY_FLAG (op, FLAG_REMOVED))
1048	return;	1040	return;
1049		1041
1050	SET_FLAG (op, FLAG_REMOVED);	1042	INVOKE_OBJECT (REMOVE, this);
1051		1043
1052	if (op->more != NULL)	1044	flag [FLAG_REMOVED] = true;
1053	remove_ob (op->more);	1045
		1046	if (more)
		1047	more->remove ();
1054		1048
1055	/*	1049	/*
1056	* In this case, the object to be removed is in someones	1050	* In this case, the object to be removed is in someones
1057	* inventory.	1051	* inventory.
1058	*/	1052	*/
1059	if (op->env != NULL)	1053	if (env)
1060	{	1054	{
1061	if (op->nrof)	1055	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1062	sub_weight (op->env, op->weight * op->nrof);	1056	if (object *pl = visible_to ())
1063	else	1057	esrv_del_item (pl->contr, count);
1064	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	/* we set up values so that it could be inserted into
		1063	* the map, but we don't actually do that - it is up
		1064	* to the caller to decide what we want to do.
		1065	*/
		1066	map = env->map;
		1067	x = env->x;
		1068	y = env->y;
		1069
		1070	// make sure cmov optimisation is applicable
		1071	*(above ? &above->below : &env->inv) = below;
		1072	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1073
		1074	above = 0;
		1075	below = 0;
		1076	env = 0;
1065		1077
1066	/* NO_FIX_PLAYER is set when a great many changes are being	1078	/* NO_FIX_PLAYER is set when a great many changes are being
1067	* made to players inventory. If set, avoiding the call	1079	* made to players inventory. If set, avoiding the call
1068	* to save cpu time.	1080	* to save cpu time.
1069	*/	1081	*/
1070	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1082	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1071	fix_player (otmp);	1083	otmp->update_stats ();
1072
1073	if (op->above != NULL)
1074	op->above->below = op->below;
1075	else
1076	op->env->inv = op->below;
1077
1078	if (op->below != NULL)
1079	op->below->above = op->above;
1080
1081	/* we set up values so that it could be inserted into
1082	* the map, but we don't actually do that - it is up
1083	* to the caller to decide what we want to do.
1084	*/
1085	op->x = op->env->x, op->y = op->env->y;
1086	op->map = op->env->map;
1087	op->above = NULL, op->below = NULL;
1088	op->env = NULL;
1089	}	1084	}
1090	else if (op->map)	1085	else if (map)
1091	{	1086	{
1092	x = op->x;	1087	map->dirty = true;
1093	y = op->y;	1088	mapspace &ms = this->ms ();
1094	m = get_map_from_coord (op->map, &x, &y);
1095		1089
1096	if (!m)	1090	if (object *pl = ms.player ())
1097	{	1091	{
1098	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",	1092	if (type == PLAYER) // this == pl(!)
1099	op->map->path, op->x, op->y);
1100	/* in old days, we used to set x and y to 0 and continue.
1101	* it seems if we get into this case, something is probablye
1102	* screwed up and should be fixed.
1103	*/	1093	{
1104	abort ();	1094	// leaving a spot always closes any open container on the ground
		1095	if (container && !container->env)
		1096	// this causes spurious floorbox updates, but it ensures
		1097	// that the CLOSE event is being sent.
		1098	close_container ();
		1099
		1100	--map->players;
		1101	map->touch ();
		1102	}
		1103	else if (pl->container == this)
		1104	{
		1105	// removing a container should close it
		1106	close_container ();
		1107	}
		1108
		1109	esrv_del_item (pl->contr, count);
1105	}	1110	}
1106		1111
1107	if (op->map != m)
1108	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1109	op->map->path, m->path, op->x, op->y, x, y);
1110
1111	/* Re did the following section of code - it looks like it had
1112	* lots of logic for things we no longer care about
1113	*/
1114
1115	/* link the object above us */	1112	/* link the object above us */
1116	if (op->above)	1113	// re-link, make sure compiler can easily use cmove
1117	op->above->below = op->below;	1114	*(above ? &above->below : &ms.top) = below;
1118	else	1115	*(below ? &below->above : &ms.bot) = above;
1119	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */
1120		1116
1121	/* Relink the object below us, if there is one */	1117	above = 0;
1122	if (op->below)	1118	below = 0;
1123	op->below->above = op->above;	1119
1124	else	1120	if (map->in_memory == MAP_SAVING)
		1121	return;
		1122
		1123	int check_walk_off = !flag [FLAG_NO_APPLY];
		1124
		1125	if (object *pl = ms.player ())
1125	{	1126	{
1126	/* Nothing below, which means we need to relink map object for this space	1127	if (pl->container == this)
1127	* use translated coordinates in case some oddness with map tiling is	1128	/* If a container that the player is currently using somehow gets
1128	* evident	1129	* removed (most likely destroyed), update the player view
		1130	* appropriately.
1129	*/	1131	*/
1130	if (GET_MAP_OB (m, x, y) != op)	1132	pl->close_container ();
1131	{
1132	char *dump = dump_object (op);
1133	LOG (llevError,
1134	"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);
1135	free (dump);
1136	dump = dump_object (GET_MAP_OB (m, x, y));
1137	LOG (llevError, "%s\n", dump);
1138	free (dump);
1139	}
1140		1133
1141	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */	1134	//TODO: the floorbox prev/next might need updating
		1135	//esrv_del_item (pl->contr, count);
		1136	//TODO: update floorbox to preserve ordering
		1137	if (pl->contr->ns)
		1138	pl->contr->ns->floorbox_update ();
1142	}	1139	}
1143		1140
1144	op->above = 0;	1141	for (tmp = ms.bot; tmp; tmp = tmp->above)
1145	op->below = 0;
1146
1147	if (op->map->in_memory == MAP_SAVING)
1148	return;
1149
1150	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1151
1152	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1153	{	1142	{
1154	/* No point updating the players look faces if he is the object	1143	/* No point updating the players look faces if he is the object
1155	* being removed.	1144	* being removed.
1156	*/	1145	*/
1157		1146
1158	if (tmp->type == PLAYER && tmp != op)	1147	/* See if object moving off should effect something */
		1148	if (check_walk_off
		1149	&& ((move_type & tmp->move_off)
		1150	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1159	{	1151	{
1160	/* If a container that the player is currently using somehow gets
1161	* removed (most likely destroyed), update the player view
1162	* appropriately.
1163	*/
1164	if (tmp->container == op)
1165	{
1166	CLEAR_FLAG (op, FLAG_APPLIED);
1167	tmp->container = NULL;
1168	}
1169
1170	tmp->contr->socket.update_look = 1;
1171	}
1172
1173	/* See if player moving off should effect something */
1174	if (check_walk_off
1175	&& ((op->move_type & tmp->move_off)
1176	&& (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1177	{
1178	move_apply (tmp, op, NULL);	1152	move_apply (tmp, this, 0);
1179		1153
1180	if (op->destroyed ())	1154	if (destroyed ())
1181	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1155	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1182	}	1156	}
1183		1157
1184	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1185
1186	if (tmp->above == tmp)
1187	tmp->above = NULL;
1188
1189	last = tmp;	1158	last = tmp;
1190	}	1159	}
1191		1160
1192	/* last == NULL of there are no objects on this space */	1161	/* last == NULL if there are no objects on this space */
		1162	//TODO: this makes little sense, why only update the topmost object?
1193	if (last == NULL)	1163	if (!last)
1194	{	1164	map->at (x, y).flags_ = 0;
1195	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1196	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1197	* those out anyways, and if there are any flags set right now, they won't
1198	* be correct anyways.
1199	*/
1200	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1201	update_position (op->map, op->x, op->y);
1202	}
1203	else	1165	else
1204	update_object (last, UP_OBJ_REMOVE);	1166	update_object (last, UP_OBJ_REMOVE);
1205		1167
1206	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1168	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1207	update_all_los (op->map, op->x, op->y);	1169	update_all_los (map, x, y);
1208	}	1170	}
1209	}	1171	}
1210		1172
1211	/*	1173	/*
1212	* merge_ob(op,top):	1174	* merge_ob(op,top):
…		…
1220	merge_ob (object *op, object *top)	1182	merge_ob (object *op, object *top)
1221	{	1183	{
1222	if (!op->nrof)	1184	if (!op->nrof)
1223	return 0;	1185	return 0;
1224		1186
1225	if (top == NULL)	1187	if (!top)
1226	for (top = op; top != NULL && top->above != NULL; top = top->above);	1188	for (top = op; top && top->above; top = top->above)
		1189	;
1227		1190
1228	for (; top != NULL; top = top->below)	1191	for (; top; top = top->below)
1229	{	1192	if (object::can_merge (op, top))
1230	if (top == op)
1231	continue;
1232	if (CAN_MERGE (op, top))
1233	{	1193	{
1234	top->nrof += op->nrof;	1194	top->nrof += op->nrof;
1235		1195
1236	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1196	if (object *pl = top->visible_to ())
1237	op->weight = 0; /* Don't want any adjustements now */	1197	esrv_update_item (UPD_NROF, pl, top);
1238	remove_ob (op);	1198
1239	free_object (op);	1199	op->weight = 0; // cancel the addition above
		1200	op->carrying = 0; // must be 0 already
		1201
		1202	op->destroy (1);
		1203
1240	return top;	1204	return top;
1241	}	1205	}
1242	}
1243		1206
1244	return 0;	1207	return 0;
1245	}	1208	}
1246		1209
		1210	void
		1211	object::expand_tail ()
		1212	{
		1213	if (more)
		1214	return;
		1215
		1216	object *prev = this;
		1217
		1218	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1219	{
		1220	object *op = arch_to_object (at);
		1221
		1222	op->name = name;
		1223	op->name_pl = name_pl;
		1224	op->title = title;
		1225
		1226	op->head = this;
		1227	prev->more = op;
		1228
		1229	prev = op;
		1230	}
		1231	}
		1232
1247	/*	1233	/*
1248	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1234	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1249	* job preparing multi-part monsters	1235	* job preparing multi-part monsters.
1250	*/	1236	*/
1251	object *	1237	object *
1252	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1238	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1253	{	1239	{
1254	object *tmp;
1255
1256	if (op->head)
1257	op = op->head;
1258
1259	for (tmp = op; tmp; tmp = tmp->more)	1240	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1260	{	1241	{
1261	tmp->x = x + tmp->arch->clone.x;	1242	tmp->x = x + tmp->arch->x;
1262	tmp->y = y + tmp->arch->clone.y;	1243	tmp->y = y + tmp->arch->y;
1263	}	1244	}
1264		1245
1265	return insert_ob_in_map (op, m, originator, flag);	1246	return insert_ob_in_map (op, m, originator, flag);
1266	}	1247	}
1267		1248
…		…
1283	* Return value:	1264	* Return value:
1284	* new object if 'op' was merged with other object	1265	* new object if 'op' was merged with other object
1285	* NULL if 'op' was destroyed	1266	* NULL if 'op' was destroyed
1286	* just 'op' otherwise	1267	* just 'op' otherwise
1287	*/	1268	*/
1288
1289	object *	1269	object *
1290	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1270	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1291	{	1271	{
1292	object *tmp, *top, *floor = NULL;	1272	op->remove ();
1293	sint16 x, y;
1294
1295	if (QUERY_FLAG (op, FLAG_FREED))
1296	{
1297	LOG (llevError, "Trying to insert freed object!\n");
1298	return NULL;
1299	}
1300
1301	if (m == NULL)
1302	{
1303	char *dump = dump_object (op);
1304	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1305	free (dump);
1306	return op;
1307	}
1308
1309	if (out_of_map (m, op->x, op->y))
1310	{
1311	char *dump = dump_object (op);
1312	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1313	#ifdef MANY_CORES
1314	/* Better to catch this here, as otherwise the next use of this object
1315	* is likely to cause a crash. Better to find out where it is getting
1316	* improperly inserted.
1317	*/
1318	abort ();
1319	#endif
1320	free (dump);
1321	return op;
1322	}
1323
1324	if (!QUERY_FLAG (op, FLAG_REMOVED))
1325	{
1326	char *dump = dump_object (op);
1327	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1328	free (dump);
1329	return op;
1330	}
1331
1332	if (op->more != NULL)
1333	{
1334	/* The part may be on a different map. */
1335
1336	object *more = op->more;
1337
1338	/* We really need the caller to normalize coordinates - if
1339	* we set the map, that doesn't work if the location is within
1340	* a map and this is straddling an edge. So only if coordinate
1341	* is clear wrong do we normalize it.
1342	*/
1343	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1344	more->map = get_map_from_coord (m, &more->x, &more->y);
1345	else if (!more->map)
1346	{
1347	/* For backwards compatibility - when not dealing with tiled maps,
1348	* more->map should always point to the parent.
1349	*/
1350	more->map = m;
1351	}
1352
1353	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1354	{
1355	if (!op->head)
1356	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1357
1358	return NULL;
1359	}
1360	}
1361
1362	CLEAR_FLAG (op, FLAG_REMOVED);
1363		1273
1364	/* Ideally, the caller figures this out. However, it complicates a lot	1274	/* Ideally, the caller figures this out. However, it complicates a lot
1365	* of areas of callers (eg, anything that uses find_free_spot would now	1275	* of areas of callers (eg, anything that uses find_free_spot would now
1366	* need extra work	1276	* need extra work
1367	*/	1277	*/
1368	op->map = get_map_from_coord (m, &op->x, &op->y);	1278	if (!xy_normalise (m, op->x, op->y))
1369	x = op->x;	1279	{
1370	y = op->y;	1280	op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found
		1281	return 0;
		1282	}
		1283
		1284	if (object *more = op->more)
		1285	if (!insert_ob_in_map (more, m, originator, flag))
		1286	return 0;
		1287
		1288	CLEAR_FLAG (op, FLAG_REMOVED);
		1289
		1290	op->map = m;
		1291	mapspace &ms = op->ms ();
1371		1292
1372	/* this has to be done after we translate the coordinates.	1293	/* this has to be done after we translate the coordinates.
1373	*/	1294	*/
1374	if (op->nrof && !(flag & INS_NO_MERGE))	1295	if (op->nrof && !(flag & INS_NO_MERGE))
1375	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1296	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1376	if (CAN_MERGE (op, tmp))	1297	if (object::can_merge (op, tmp))
1377	{	1298	{
		1299	// TODO: we actually want to update tmp, not op,
		1300	// but some caller surely breaks when we return tmp
		1301	// from here :/
1378	op->nrof += tmp->nrof;	1302	op->nrof += tmp->nrof;
1379	remove_ob (tmp);	1303	tmp->destroy (1);
1380	free_object (tmp);
1381	}	1304	}
1382		1305
1383	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1306	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1384	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1307	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1385		1308
1386	if (!QUERY_FLAG (op, FLAG_ALIVE))	1309	if (!QUERY_FLAG (op, FLAG_ALIVE))
1387	CLEAR_FLAG (op, FLAG_NO_STEAL);	1310	CLEAR_FLAG (op, FLAG_NO_STEAL);
1388		1311
1389	if (flag & INS_BELOW_ORIGINATOR)	1312	if (flag & INS_BELOW_ORIGINATOR)
1390	{	1313	{
1391	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1314	if (originator->map != op->map || originator->x != op->x || originator->y != op->y || !originator->is_on_map ())
1392	{	1315	{
1393	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1316	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1394	abort ();	1317	abort ();
1395	}	1318	}
1396		1319
1397	op->above = originator;	1320	op->above = originator;
1398	op->below = originator->below;	1321	op->below = originator->below;
1399
1400	if (op->below)
1401	op->below->above = op;
1402	else
1403	SET_MAP_OB (op->map, op->x, op->y, op);
1404
1405	/* since *below* originator, no need to update top */
1406	originator->below = op;	1322	originator->below = op;
		1323
		1324	*(op->below ? &op->below->above : &ms.bot) = op;
1407	}	1325	}
1408	else	1326	else
1409	{	1327	{
		1328	object *floor = 0;
		1329	object *top = ms.top;
		1330
1410	/* If there are other objects, then */	1331	/* If there are other objects, then */
1411	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1332	if (top)
1412	{	1333	{
1413	object *last = NULL;
1414
1415	/*	1334	/*
1416	* If there are multiple objects on this space, we do some trickier handling.	1335	* If there are multiple objects on this space, we do some trickier handling.
1417	* We've already dealt with merging if appropriate.	1336	* We've already dealt with merging if appropriate.
1418	* Generally, we want to put the new object on top. But if	1337	* Generally, we want to put the new object on top. But if
1419	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1338	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1422	* once we get to them. This reduces the need to traverse over all of	1341	* once we get to them. This reduces the need to traverse over all of
1423	* them when adding another one - this saves quite a bit of cpu time	1342	* them when adding another one - this saves quite a bit of cpu time
1424	* when lots of spells are cast in one area. Currently, it is presumed	1343	* when lots of spells are cast in one area. Currently, it is presumed
1425	* that flying non pickable objects are spell objects.	1344	* that flying non pickable objects are spell objects.
1426	*/	1345	*/
1427		1346	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1428	while (top != NULL)
1429	{	1347	{
1430	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1348	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1431	floor = top;	1349	floor = tmp;
1432		1350
1433	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1351	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1434	{	1352	{
1435	/* We insert above top, so we want this object below this */	1353	/* We insert above top, so we want this object below this */
1436	top = top->below;	1354	top = tmp->below;
1437	break;	1355	break;
1438	}	1356	}
1439		1357
1440	last = top;
1441	top = top->above;	1358	top = tmp;
1442	}	1359	}
1443
1444	/* Don't want top to be NULL, so set it to the last valid object */
1445	top = last;
1446		1360
1447	/* We let update_position deal with figuring out what the space	1361	/* We let update_position deal with figuring out what the space
1448	* looks like instead of lots of conditions here.	1362	* looks like instead of lots of conditions here.
1449	* makes things faster, and effectively the same result.	1363	* makes things faster, and effectively the same result.
1450	*/	1364	*/
1451		1365
1452	/* Have object 'fall below' other objects that block view.	1366	/* Have object 'fall below' other objects that block view.
1453	* Unless those objects are exits, type 66	1367	* Unless those objects are exits.
1454	* If INS_ON_TOP is used, don't do this processing	1368	* If INS_ON_TOP is used, don't do this processing
1455	* Need to find the object that in fact blocks view, otherwise	1369	* Need to find the object that in fact blocks view, otherwise
1456	* stacking is a bit odd.	1370	* stacking is a bit odd.
1457	*/	1371	*/
1458	if (!(flag & INS_ON_TOP) &&	1372	if (!(flag & INS_ON_TOP)
1459	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1373	&& ms.flags () & P_BLOCKSVIEW
		1374	&& (op->face && !faces [op->face].visibility))
1460	{	1375	{
		1376	object *last;
		1377
1461	for (last = top; last != floor; last = last->below)	1378	for (last = top; last != floor; last = last->below)
1462	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1379	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1463	break;	1380	break;
		1381
1464	/* Check to see if we found the object that blocks view,	1382	/* Check to see if we found the object that blocks view,
1465	* and make sure we have a below pointer for it so that	1383	* and make sure we have a below pointer for it so that
1466	* we can get inserted below this one, which requires we	1384	* we can get inserted below this one, which requires we
1467	* set top to the object below us.	1385	* set top to the object below us.
1468	*/	1386	*/
1469	if (last && last->below && last != floor)	1387	if (last && last->below && last != floor)
1470	top = last->below;	1388	top = last->below;
1471	}	1389	}
1472	} /* If objects on this space */	1390	} /* If objects on this space */
1473		1391
1474	if (flag & INS_MAP_LOAD)
1475	top = GET_MAP_TOP (op->map, op->x, op->y);
1476
1477	if (flag & INS_ABOVE_FLOOR_ONLY)	1392	if (flag & INS_ABOVE_FLOOR_ONLY)
1478	top = floor;	1393	top = floor;
1479		1394
1480	/* Top is the object that our object (op) is going to get inserted above.	1395	/* Top is the object that our object (op) is going to get inserted above.
1481	*/	1396	*/
1482		1397
1483	/* First object on this space */	1398	/* no top found, insert on top */
1484	if (!top)	1399	if (!top)
1485	{	1400	{
1486	op->above = GET_MAP_OB (op->map, op->x, op->y);
1487
1488	if (op->above)
1489	op->above->below = op;	1401	op->above = 0;
1490
1491	op->below = NULL;	1402	op->below = ms.top;
1492	SET_MAP_OB (op->map, op->x, op->y, op);	1403	ms.top = op;
		1404
		1405	*(op->below ? &op->below->above : &ms.bot) = op;
1493	}	1406	}
1494	else	1407	else
1495	{ /* get inserted into the stack above top */	1408	{ /* get inserted into the stack above top */
1496	op->above = top->above;	1409	op->above = top->above;
1497
1498	if (op->above)
1499	op->above->below = op;	1410	top->above = op;
1500		1411
1501	op->below = top;	1412	op->below = top;
1502	top->above = op;	1413	*(op->above ? &op->above->below : &ms.top) = op;
1503	}	1414	}
1504
1505	if (op->above == NULL)
1506	SET_MAP_TOP (op->map, op->x, op->y, op);
1507	} /* else not INS_BELOW_ORIGINATOR */	1415	} /* else not INS_BELOW_ORIGINATOR */
1508		1416
1509	if (op->type == PLAYER)	1417	if (op->type == PLAYER)
		1418	{
1510	op->contr->do_los = 1;	1419	op->contr->do_los = 1;
		1420	++op->map->players;
		1421	op->map->touch ();
		1422	}
1511		1423
1512	/* If we have a floor, we know the player, if any, will be above	1424	op->map->dirty = true;
1513	* it, so save a few ticks and start from there.	1425
1514	*/	1426	if (object *pl = ms.player ())
1515	if (!(flag & INS_MAP_LOAD))	1427	//TODO: the floorbox prev/next might need updating
1516	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1428	//esrv_send_item (pl, op);
1517	if (tmp->type == PLAYER)	1429	//TODO: update floorbox to preserve ordering
1518	tmp->contr->socket.update_look = 1;	1430	if (pl->contr->ns)
		1431	pl->contr->ns->floorbox_update ();
1519		1432
1520	/* If this object glows, it may affect lighting conditions that are	1433	/* If this object glows, it may affect lighting conditions that are
1521	* visible to others on this map. But update_all_los is really	1434	* visible to others on this map. But update_all_los is really
1522	* an inefficient way to do this, as it means los for all players	1435	* an inefficient way to do this, as it means los for all players
1523	* on the map will get recalculated. The players could very well	1436	* on the map will get recalculated. The players could very well
1524	* be far away from this change and not affected in any way -	1437	* be far away from this change and not affected in any way -
1525	* this should get redone to only look for players within range,	1438	* this should get redone to only look for players within range,
1526	* or just updating the P_NEED_UPDATE for spaces within this area	1439	* or just updating the P_UPTODATE for spaces within this area
1527	* of effect may be sufficient.	1440	* of effect may be sufficient.
1528	*/	1441	*/
1529	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1442	if (op->map->darkness && (op->glow_radius != 0))
1530	update_all_los (op->map, op->x, op->y);	1443	update_all_los (op->map, op->x, op->y);
1531		1444
1532	/* updates flags (blocked, alive, no magic, etc) for this map space */	1445	/* updates flags (blocked, alive, no magic, etc) for this map space */
1533	update_object (op, UP_OBJ_INSERT);	1446	update_object (op, UP_OBJ_INSERT);
1534		1447
		1448	INVOKE_OBJECT (INSERT, op);
		1449
1535	/* Don't know if moving this to the end will break anything. However,	1450	/* Don't know if moving this to the end will break anything. However,
1536	* we want to have update_look set above before calling this.	1451	* we want to have floorbox_update called before calling this.
1537	*	1452	*
1538	* check_move_on() must be after this because code called from	1453	* check_move_on() must be after this because code called from
1539	* check_move_on() depends on correct map flags (so functions like	1454	* check_move_on() depends on correct map flags (so functions like
1540	* blocked() and wall() work properly), and these flags are updated by	1455	* blocked() and wall() work properly), and these flags are updated by
1541	* update_object().	1456	* update_object().
1542	*/	1457	*/
1543		1458
1544	/* if this is not the head or flag has been passed, don't check walk on status */	1459	/* if this is not the head or flag has been passed, don't check walk on status */
1545	if (!(flag & INS_NO_WALK_ON) && !op->head)	1460	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1546	{	1461	{
1547	if (check_move_on (op, originator))	1462	if (check_move_on (op, originator))
1548	return NULL;	1463	return 0;
1549		1464
1550	/* If we are a multi part object, lets work our way through the check	1465	/* If we are a multi part object, lets work our way through the check
1551	* walk on's.	1466	* walk on's.
1552	*/	1467	*/
1553	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1468	for (object *tmp = op->more; tmp; tmp = tmp->more)
1554	if (check_move_on (tmp, originator))	1469	if (check_move_on (tmp, originator))
1555	return NULL;	1470	return 0;
1556	}	1471	}
1557		1472
1558	return op;	1473	return op;
1559	}	1474	}
1560		1475
1561	/* this function inserts an object in the map, but if it	1476	/* this function inserts an object in the map, but if it
1562	* finds an object of its own type, it'll remove that one first.	1477	* finds an object of its own type, it'll remove that one first.
1563	* op is the object to insert it under: supplies x and the map.	1478	* op is the object to insert it under: supplies x and the map.
1564	*/	1479	*/
1565	void	1480	void
1566	replace_insert_ob_in_map (const char *arch_string, object *op)	1481	replace_insert_ob_in_map (const char *arch_string, object *op)
1567	{	1482	{
1568	object *
1569	tmp;
1570	object *
1571	tmp1;
1572
1573	/* first search for itself and remove any old instances */	1483	/* first search for itself and remove any old instances */
1574		1484
1575	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1485	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1576	{
1577	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1486	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1578	{	1487	tmp->destroy (1);
1579	remove_ob (tmp);
1580	free_object (tmp);
1581	}
1582	}
1583		1488
1584	tmp1 = arch_to_object (archetype::find (arch_string));	1489	object *tmp = arch_to_object (archetype::find (arch_string));
1585		1490
1586	tmp1->x = op->x;	1491	tmp->x = op->x;
1587	tmp1->y = op->y;	1492	tmp->y = op->y;
		1493
1588	insert_ob_in_map (tmp1, op->map, op, 0);	1494	insert_ob_in_map (tmp, op->map, op, 0);
1589	}	1495	}
1590
1591	/*
1592	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1593	* is returned contains nr objects, and the remaining parts contains
1594	* the rest (or is removed and freed if that number is 0).
1595	* On failure, NULL is returned, and the reason put into the
1596	* global static errmsg array.
1597	*/
1598		1496
1599	object *	1497	object *
1600	get_split_ob (object *orig_ob, uint32 nr)	1498	object::insert_at (object *where, object *originator, int flags)
1601	{	1499	{
1602	object *	1500	if (where->env)
1603	newob;	1501	return where->env->insert (this);
1604	int	1502	else
1605	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1503	return where->map->insert (this, where->x, where->y, originator, flags);
1606
1607	if (orig_ob->nrof < nr)
1608	{
1609	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1610	return NULL;
1611	}
1612
1613	newob = object_create_clone (orig_ob);
1614
1615	if ((orig_ob->nrof -= nr) < 1)
1616	{
1617	if (!is_removed)
1618	remove_ob (orig_ob);
1619	free_object2 (orig_ob, 1);
1620	}
1621	else if (!is_removed)
1622	{
1623	if (orig_ob->env != NULL)
1624	sub_weight (orig_ob->env, orig_ob->weight * nr);
1625	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1626	{
1627	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1628	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1629	return NULL;
1630	}
1631	}
1632
1633	newob->nrof = nr;
1634
1635	return newob;
1636	}	1504	}
1637		1505
1638	/*	1506	/*
1639	* decrease_ob_nr(object, number) decreases a specified number from	1507	* decrease(object, number) decreases a specified number from
1640	* the amount of an object. If the amount reaches 0, the object	1508	* the amount of an object. If the amount reaches 0, the object
1641	* is subsequently removed and freed.	1509	* is subsequently removed and freed.
1642	*	1510	*
1643	* Return value: 'op' if something is left, NULL if the amount reached 0	1511	* Return value: 'op' if something is left, NULL if the amount reached 0
1644	*/	1512	*/
		1513	bool
		1514	object::decrease (sint32 nr)
		1515	{
		1516	if (!nr)
		1517	return true;
1645		1518
		1519	nr = min (nr, nrof);
		1520
		1521	nrof -= nr;
		1522
		1523	if (nrof)
		1524	{
		1525	adjust_weight (env, -weight * nr); // carrying == 0
		1526
		1527	if (object *pl = visible_to ())
		1528	esrv_update_item (UPD_NROF, pl, this);
		1529
		1530	return true;
		1531	}
		1532	else
		1533	{
		1534	destroy (1);
		1535	return false;
		1536	}
		1537	}
		1538
		1539	/*
		1540	* split(ob,nr) splits up ob into two parts. The part which
		1541	* is returned contains nr objects, and the remaining parts contains
		1542	* the rest (or is removed and returned if that number is 0).
		1543	* On failure, NULL is returned.
		1544	*/
1646	object *	1545	object *
1647	decrease_ob_nr (object *op, uint32 i)	1546	object::split (sint32 nr)
1648	{	1547	{
1649	object *tmp;	1548	int have = number_of ();
1650	player *pl;
1651		1549
1652	if (i == 0) /* objects with op->nrof require this check */	1550	if (have < nr)
1653	return op;	1551	return 0;
1654		1552	else if (have == nr)
1655	if (i > op->nrof)
1656	i = op->nrof;
1657
1658	if (QUERY_FLAG (op, FLAG_REMOVED))
1659	op->nrof -= i;
1660	else if (op->env != NULL)
1661	{	1553	{
1662	/* is this object in the players inventory, or sub container
1663	* therein?
1664	*/
1665	tmp = is_player_inv (op->env);
1666	/* nope. Is this a container the player has opened?
1667	* If so, set tmp to that player.
1668	* IMO, searching through all the players will mostly
1669	* likely be quicker than following op->env to the map,
1670	* and then searching the map for a player.
1671	*/
1672	if (!tmp)
1673	{
1674	for (pl = first_player; pl; pl = pl->next)
1675	if (pl->ob->container == op->env)
1676	break;
1677	if (pl)
1678	tmp = pl->ob;
1679	else
1680	tmp = NULL;
1681	}
1682
1683	if (i < op->nrof)
1684	{
1685	sub_weight (op->env, op->weight * i);
1686	op->nrof -= i;
1687	if (tmp)
1688	{
1689	esrv_send_item (tmp, op);
1690	}
1691	}
1692	else
1693	{
1694	remove_ob (op);	1554	remove ();
1695	op->nrof = 0;	1555	return this;
1696	if (tmp)
1697	{
1698	esrv_del_item (tmp->contr, op->count);
1699	}
1700	}
1701	}	1556	}
1702	else	1557	else
1703	{	1558	{
1704	object *above = op->above;	1559	decrease (nr);
1705		1560
1706	if (i < op->nrof)	1561	object *op = deep_clone ();
1707	op->nrof -= i;	1562	op->nrof = nr;
1708	else
1709	{
1710	remove_ob (op);
1711	op->nrof = 0;
1712	}
1713
1714	/* Since we just removed op, op->above is null */
1715	for (tmp = above; tmp != NULL; tmp = tmp->above)
1716	if (tmp->type == PLAYER)
1717	{
1718	if (op->nrof)
1719	esrv_send_item (tmp, op);
1720	else
1721	esrv_del_item (tmp->contr, op->count);
1722	}
1723	}
1724
1725	if (op->nrof)
1726	return op;	1563	return op;
1727	else
1728	{	1564	}
1729	free_object (op);
1730	return NULL;
1731	}
1732	}	1565	}
1733
1734	/*
1735	* add_weight(object, weight) adds the specified weight to an object,
1736	* and also updates how much the environment(s) is/are carrying.
1737	*/
1738
1739	void
1740	add_weight (object *op, signed long weight)
1741	{
1742	while (op != NULL)
1743	{
1744	if (op->type == CONTAINER)
1745	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1746
1747	op->carrying += weight;
1748	op = op->env;
1749	}
1750	}
1751
1752	/*
1753	* insert_ob_in_ob(op,environment):
1754	* This function inserts the object op in the linked list
1755	* inside the object environment.
1756	*
1757	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1758	* the inventory at the last position or next to other objects of the same
1759	* type.
1760	* Frank: Now sorted by type, archetype and magic!
1761	*
1762	* The function returns now pointer to inserted item, and return value can
1763	* be != op, if items are merged. -Tero
1764	*/
1765		1566
1766	object *	1567	object *
1767	insert_ob_in_ob (object *op, object *where)	1568	insert_ob_in_ob (object *op, object *where)
1768	{	1569	{
1769	object *	1570	if (!where)
1770	tmp, *
1771	otmp;
1772
1773	if (!QUERY_FLAG (op, FLAG_REMOVED))
1774	{
1775	char *dump = dump_object (op);
1776	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", dump);
1777	free (dump);
1778	return op;
1779	}
1780
1781	if (where == NULL)
1782	{	1571	{
1783	char *dump = dump_object (op);	1572	char *dump = dump_object (op);
1784	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1573	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1785	free (dump);	1574	free (dump);
1786	return op;	1575	return op;
1787	}	1576	}
1788		1577
1789	if (where->head)	1578	if (where->head_ () != where)
1790	{	1579	{
1791	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");	1580	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1792	where = where->head;	1581	where = where->head;
1793	}	1582	}
1794		1583
		1584	return where->insert (op);
		1585	}
		1586
		1587	/*
		1588	* env->insert (op)
		1589	* This function inserts the object op in the linked list
		1590	* inside the object environment.
		1591	*
		1592	* The function returns now pointer to inserted item, and return value can
		1593	* be != op, if items are merged. -Tero
		1594	*/
		1595	object *
		1596	object::insert (object *op)
		1597	{
1795	if (op->more)	1598	if (op->more)
1796	{	1599	{
1797	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1600	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1798	return op;	1601	return op;
1799	}	1602	}
1800		1603
1801	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1604	op->remove ();
1802	CLEAR_FLAG (op, FLAG_REMOVED);	1605
		1606	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1607
1803	if (op->nrof)	1608	if (op->nrof)
1804	{
1805	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1609	for (object *tmp = inv; tmp; tmp = tmp->below)
1806	if (CAN_MERGE (tmp, op))	1610	if (object::can_merge (tmp, op))
1807	{	1611	{
1808	/* return the original object and remove inserted object	1612	/* return the original object and remove inserted object
1809	(client needs the original object) */	1613	(client needs the original object) */
1810	tmp->nrof += op->nrof;	1614	tmp->nrof += op->nrof;
1811	/* Weight handling gets pretty funky. Since we are adding to	1615
1812	* tmp->nrof, we need to increase the weight.	1616	if (object *pl = tmp->visible_to ())
1813	*/	1617	esrv_update_item (UPD_NROF, pl, tmp);
1814	add_weight (where, op->weight * op->nrof);	1618
1815	SET_FLAG (op, FLAG_REMOVED);	1619	adjust_weight (this, op->total_weight ());
1816	free_object (op); /* free the inserted object */	1620
		1621	op->destroy (1);
1817	op = tmp;	1622	op = tmp;
1818	remove_ob (op); /* and fix old object's links */	1623	goto inserted;
1819	CLEAR_FLAG (op, FLAG_REMOVED);
1820	break;
1821	}	1624	}
1822		1625
1823	/* I assume combined objects have no inventory	1626	op->owner = 0; // it's his/hers now. period.
1824	* We add the weight - this object could have just been removed
1825	* (if it was possible to merge). calling remove_ob will subtract
1826	* the weight, so we need to add it in again, since we actually do
1827	* the linking below
1828	*/
1829	add_weight (where, op->weight * op->nrof);
1830	}
1831	else
1832	add_weight (where, (op->weight + op->carrying));
1833
1834	otmp = is_player_inv (where);
1835	if (otmp && otmp->contr != NULL)
1836	{
1837	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1838	fix_player (otmp);
1839	}
1840
1841	op->map = NULL;	1627	op->map = 0;
1842	op->env = where;	1628	op->x = 0;
		1629	op->y = 0;
		1630
1843	op->above = NULL;	1631	op->above = 0;
1844	op->below = NULL;	1632	op->below = inv;
1845	op->x = 0, op->y = 0;	1633	op->env = this;
1846		1634
		1635	if (inv)
		1636	inv->above = op;
		1637
		1638	inv = op;
		1639
		1640	op->flag [FLAG_REMOVED] = 0;
		1641
		1642	if (object *pl = op->visible_to ())
		1643	esrv_send_item (pl, op);
		1644
		1645	adjust_weight (this, op->total_weight ());
		1646
		1647	inserted:
1847	/* reset the light list and los of the players on the map */	1648	/* reset the light list and los of the players on the map */
1848	if ((op->glow_radius != 0) && where->map)	1649	if (op->glow_radius && map && map->darkness)
1849	{	1650	update_all_los (map, x, y);
1850	#ifdef DEBUG_LIGHTS
1851	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1852	#endif /* DEBUG_LIGHTS */
1853	if (MAP_DARKNESS (where->map))
1854	update_all_los (where->map, where->x, where->y);
1855	}
1856		1651
1857	/* Client has no idea of ordering so lets not bother ordering it here.	1652	// if this is a player's inventory, update stats
1858	* It sure simplifies this function...	1653	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1859	*/	1654	update_stats ();
1860	if (where->inv == NULL)	1655
1861	where->inv = op;	1656	INVOKE_OBJECT (INSERT, this);
1862	else	1657
1863	{
1864	op->below = where->inv;
1865	op->below->above = op;
1866	where->inv = op;
1867	}
1868	return op;	1658	return op;
1869	}	1659	}
1870		1660
1871	/*	1661	/*
1872	* Checks if any objects has a move_type that matches objects	1662	* Checks if any objects has a move_type that matches objects
…		…
1886	*	1676	*
1887	* MSW 2001-07-08: Check all objects on space, not just those below	1677	* MSW 2001-07-08: Check all objects on space, not just those below
1888	* object being inserted. insert_ob_in_map may not put new objects	1678	* object being inserted. insert_ob_in_map may not put new objects
1889	* on top.	1679	* on top.
1890	*/	1680	*/
1891
1892	int	1681	int
1893	check_move_on (object *op, object *originator)	1682	check_move_on (object *op, object *originator)
1894	{	1683	{
1895	object *tmp;	1684	object *tmp;
1896	maptile *m = op->map;	1685	maptile *m = op->map;
…		…
1923		1712
1924	/* The objects have to be checked from top to bottom.	1713	/* The objects have to be checked from top to bottom.
1925	* Hence, we first go to the top:	1714	* Hence, we first go to the top:
1926	*/	1715	*/
1927		1716
1928	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1717	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1929	{	1718	{
1930	/* Trim the search when we find the first other spell effect	1719	/* Trim the search when we find the first other spell effect
1931	* this helps performance so that if a space has 50 spell objects,	1720	* this helps performance so that if a space has 50 spell objects,
1932	* we don't need to check all of them.	1721	* we don't need to check all of them.
1933	*/	1722	*/
…		…
1951	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1740	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1952	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1741	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1953	{	1742	{
1954		1743
1955	float	1744	float
1956	diff = tmp->move_slow_penalty * FABS (op->speed);	1745	diff = tmp->move_slow_penalty * fabs (op->speed);
1957		1746
1958	if (op->type == PLAYER)	1747	if (op->type == PLAYER)
1959	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1748	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1960	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1749	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1961	diff /= 4.0;	1750	diff /= 4.0;
…		…
1988	/*	1777	/*
1989	* present_arch(arch, map, x, y) searches for any objects with	1778	* present_arch(arch, map, x, y) searches for any objects with
1990	* a matching archetype at the given map and coordinates.	1779	* a matching archetype at the given map and coordinates.
1991	* The first matching object is returned, or NULL if none.	1780	* The first matching object is returned, or NULL if none.
1992	*/	1781	*/
1993
1994	object *	1782	object *
1995	present_arch (const archetype *at, maptile *m, int x, int y)	1783	present_arch (const archetype *at, maptile *m, int x, int y)
1996	{	1784	{
1997	object *
1998	tmp;
1999
2000	if (m == NULL || out_of_map (m, x, y))	1785	if (!m || out_of_map (m, x, y))
2001	{	1786	{
2002	LOG (llevError, "Present_arch called outside map.\n");	1787	LOG (llevError, "Present_arch called outside map.\n");
2003	return NULL;	1788	return NULL;
2004	}	1789	}
2005	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1790
2006	if (tmp->arch == at)	1791	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
		1792	if (tmp->arch->archname == at->archname)
2007	return tmp;	1793	return tmp;
		1794
2008	return NULL;	1795	return NULL;
2009	}	1796	}
2010		1797
2011	/*	1798	/*
2012	* present(type, map, x, y) searches for any objects with	1799	* present(type, map, x, y) searches for any objects with
2013	* a matching type variable at the given map and coordinates.	1800	* a matching type variable at the given map and coordinates.
2014	* The first matching object is returned, or NULL if none.	1801	* The first matching object is returned, or NULL if none.
2015	*/	1802	*/
2016
2017	object *	1803	object *
2018	present (unsigned char type, maptile *m, int x, int y)	1804	present (unsigned char type, maptile *m, int x, int y)
2019	{	1805	{
2020	object *
2021	tmp;
2022
2023	if (out_of_map (m, x, y))	1806	if (out_of_map (m, x, y))
2024	{	1807	{
2025	LOG (llevError, "Present called outside map.\n");	1808	LOG (llevError, "Present called outside map.\n");
2026	return NULL;	1809	return NULL;
2027	}	1810	}
2028	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1811
		1812	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2029	if (tmp->type == type)	1813	if (tmp->type == type)
2030	return tmp;	1814	return tmp;
		1815
2031	return NULL;	1816	return NULL;
2032	}	1817	}
2033		1818
2034	/*	1819	/*
2035	* present_in_ob(type, object) searches for any objects with	1820	* present_in_ob(type, object) searches for any objects with
2036	* a matching type variable in the inventory of the given object.	1821	* a matching type variable in the inventory of the given object.
2037	* The first matching object is returned, or NULL if none.	1822	* The first matching object is returned, or NULL if none.
2038	*/	1823	*/
2039
2040	object *	1824	object *
2041	present_in_ob (unsigned char type, const object *op)	1825	present_in_ob (unsigned char type, const object *op)
2042	{	1826	{
2043	object *
2044	tmp;
2045
2046	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1827	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2047	if (tmp->type == type)	1828	if (tmp->type == type)
2048	return tmp;	1829	return tmp;
		1830
2049	return NULL;	1831	return NULL;
2050	}	1832	}
2051		1833
2052	/*	1834	/*
2053	* present_in_ob (type, str, object) searches for any objects with	1835	* present_in_ob (type, str, object) searches for any objects with
…		…
2061	* str is the string to match against. Note that we match against	1843	* str is the string to match against. Note that we match against
2062	* the object name, not the archetype name. this is so that the	1844	* the object name, not the archetype name. this is so that the
2063	* spell code can use one object type (force), but change it's name	1845	* spell code can use one object type (force), but change it's name
2064	* to be unique.	1846	* to be unique.
2065	*/	1847	*/
2066
2067	object *	1848	object *
2068	present_in_ob_by_name (int type, const char *str, const object *op)	1849	present_in_ob_by_name (int type, const char *str, const object *op)
2069	{	1850	{
2070	object *
2071	tmp;
2072
2073	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1851	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2074	{
2075	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1852	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2076	return tmp;	1853	return tmp;
2077	}	1854
2078	return NULL;	1855	return 0;
2079	}	1856	}
2080		1857
2081	/*	1858	/*
2082	* present_arch_in_ob(archetype, object) searches for any objects with	1859	* present_arch_in_ob(archetype, object) searches for any objects with
2083	* a matching archetype in the inventory of the given object.	1860	* a matching archetype in the inventory of the given object.
2084	* The first matching object is returned, or NULL if none.	1861	* The first matching object is returned, or NULL if none.
2085	*/	1862	*/
2086
2087	object *	1863	object *
2088	present_arch_in_ob (const archetype *at, const object *op)	1864	present_arch_in_ob (const archetype *at, const object *op)
2089	{	1865	{
2090	object *
2091	tmp;
2092
2093	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1866	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2094	if (tmp->arch == at)	1867	if (tmp->arch->archname == at->archname)
2095	return tmp;	1868	return tmp;
		1869
2096	return NULL;	1870	return NULL;
2097	}	1871	}
2098		1872
2099	/*	1873	/*
2100	* activate recursively a flag on an object inventory	1874	* activate recursively a flag on an object inventory
2101	*/	1875	*/
2102	void	1876	void
2103	flag_inv (object *op, int flag)	1877	flag_inv (object *op, int flag)
2104	{	1878	{
2105	object *
2106	tmp;
2107
2108	if (op->inv)
2109	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1879	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2110	{	1880	{
2111	SET_FLAG (tmp, flag);	1881	SET_FLAG (tmp, flag);
2112	flag_inv (tmp, flag);	1882	flag_inv (tmp, flag);
2113	}	1883	}
2114	} /*	1884	}
		1885
		1886	/*
2115	* desactivate recursively a flag on an object inventory	1887	* deactivate recursively a flag on an object inventory
2116	*/	1888	*/
2117	void	1889	void
2118	unflag_inv (object *op, int flag)	1890	unflag_inv (object *op, int flag)
2119	{	1891	{
2120	object *
2121	tmp;
2122
2123	if (op->inv)
2124	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1892	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2125	{	1893	{
2126	CLEAR_FLAG (tmp, flag);	1894	CLEAR_FLAG (tmp, flag);
2127	unflag_inv (tmp, flag);	1895	unflag_inv (tmp, flag);
2128	}	1896	}
2129	}
2130
2131	/*
2132	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2133	* all it's inventory (recursively).
2134	* If checksums are used, a player will get set_cheat called for
2135	* him/her-self and all object carried by a call to this function.
2136	*/
2137
2138	void
2139	set_cheat (object *op)
2140	{
2141	SET_FLAG (op, FLAG_WAS_WIZ);
2142	flag_inv (op, FLAG_WAS_WIZ);
2143	}	1897	}
2144		1898
2145	/*	1899	/*
2146	* find_free_spot(object, map, x, y, start, stop) will search for	1900	* find_free_spot(object, map, x, y, start, stop) will search for
2147	* a spot at the given map and coordinates which will be able to contain	1901	* a spot at the given map and coordinates which will be able to contain
…		…
2149	* to search (see the freearr_x/y[] definition).	1903	* to search (see the freearr_x/y[] definition).
2150	* It returns a random choice among the alternatives found.	1904	* It returns a random choice among the alternatives found.
2151	* start and stop are where to start relative to the free_arr array (1,9	1905	* start and stop are where to start relative to the free_arr array (1,9
2152	* does all 4 immediate directions). This returns the index into the	1906	* does all 4 immediate directions). This returns the index into the
2153	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1907	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2154	* Note - this only checks to see if there is space for the head of the
2155	* object - if it is a multispace object, this should be called for all
2156	* pieces.
2157	* Note2: This function does correctly handle tiled maps, but does not	1908	* Note: This function does correctly handle tiled maps, but does not
2158	* inform the caller. However, insert_ob_in_map will update as	1909	* inform the caller. However, insert_ob_in_map will update as
2159	* necessary, so the caller shouldn't need to do any special work.	1910	* necessary, so the caller shouldn't need to do any special work.
2160	* Note - updated to take an object instead of archetype - this is necessary	1911	* Note - updated to take an object instead of archetype - this is necessary
2161	* because arch_blocked (now ob_blocked) needs to know the movement type	1912	* because arch_blocked (now ob_blocked) needs to know the movement type
2162	* to know if the space in question will block the object. We can't use	1913	* to know if the space in question will block the object. We can't use
2163	* the archetype because that isn't correct if the monster has been	1914	* the archetype because that isn't correct if the monster has been
2164	* customized, changed states, etc.	1915	* customized, changed states, etc.
2165	*/	1916	*/
2166
2167	int	1917	int
2168	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1918	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2169	{	1919	{
2170	int
2171	i,
2172	index = 0, flag;
2173	static int
2174	altern[SIZEOFFREE];	1920	int altern[SIZEOFFREE];
		1921	int index = 0, flag;
2175		1922
2176	for (i = start; i < stop; i++)	1923	for (int i = start; i < stop; i++)
2177	{	1924	{
2178	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1925	mapxy pos (m, x, y); pos.move (i);
2179	if (!flag)	1926
		1927	if (!pos.normalise ())
		1928	continue;
		1929
		1930	mapspace &ms = *pos;
		1931
		1932	if (ms.flags () & P_IS_ALIVE)
		1933	continue;
		1934
		1935	/* However, often
		1936	* ob doesn't have any move type (when used to place exits)
		1937	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1938	*/
		1939	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1940	{
2180	altern[index++] = i;	1941	altern [index++] = i;
		1942	continue;
		1943	}
2181		1944
2182	/* Basically, if we find a wall on a space, we cut down the search size.	1945	/* Basically, if we find a wall on a space, we cut down the search size.
2183	* In this way, we won't return spaces that are on another side of a wall.	1946	* In this way, we won't return spaces that are on another side of a wall.
2184	* This mostly work, but it cuts down the search size in all directions -	1947	* This mostly work, but it cuts down the search size in all directions -
2185	* if the space being examined only has a wall to the north and empty	1948	* if the space being examined only has a wall to the north and empty
2186	* spaces in all the other directions, this will reduce the search space	1949	* spaces in all the other directions, this will reduce the search space
2187	* to only the spaces immediately surrounding the target area, and	1950	* to only the spaces immediately surrounding the target area, and
2188	* won't look 2 spaces south of the target space.	1951	* won't look 2 spaces south of the target space.
2189	*/	1952	*/
2190	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	1953	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1954	{
2191	stop = maxfree[i];	1955	stop = maxfree[i];
		1956	continue;
		1957	}
		1958
		1959	/* Note it is intentional that we check ob - the movement type of the
		1960	* head of the object should correspond for the entire object.
		1961	*/
		1962	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1963	continue;
		1964
		1965	if (ob->blocked (m, pos.x, pos.y))
		1966	continue;
		1967
		1968	altern [index++] = i;
2192	}	1969	}
		1970
2193	if (!index)	1971	if (!index)
2194	return -1;	1972	return -1;
		1973
2195	return altern[RANDOM () % index];	1974	return altern [rndm (index)];
2196	}	1975	}
2197		1976
2198	/*	1977	/*
2199	* find_first_free_spot(archetype, maptile, x, y) works like	1978	* find_first_free_spot(archetype, maptile, x, y) works like
2200	* find_free_spot(), but it will search max number of squares.	1979	* find_free_spot(), but it will search max number of squares.
2201	* But it will return the first available spot, not a random choice.	1980	* But it will return the first available spot, not a random choice.
2202	* Changed 0.93.2: Have it return -1 if there is no free spot available.	1981	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2203	*/	1982	*/
2204
2205	int	1983	int
2206	find_first_free_spot (const object *ob, maptile *m, int x, int y)	1984	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2207	{	1985	{
2208	int
2209	i;
2210
2211	for (i = 0; i < SIZEOFFREE; i++)	1986	for (int i = 0; i < SIZEOFFREE; i++)
2212	{
2213	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	1987	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2214	return i;	1988	return i;
2215	}	1989
2216	return -1;	1990	return -1;
2217	}	1991	}
2218		1992
2219	/*	1993	/*
2220	* The function permute(arr, begin, end) randomly reorders the array	1994	* The function permute(arr, begin, end) randomly reorders the array
2221	* arr[begin..end-1].	1995	* arr[begin..end-1].
		1996	* now uses a fisher-yates shuffle, old permute was broken
2222	*/	1997	*/
2223	static void	1998	static void
2224	permute (int *arr, int begin, int end)	1999	permute (int *arr, int begin, int end)
2225	{	2000	{
2226	int	2001	arr += begin;
2227	i,
2228	j,
2229	tmp,
2230	len;
2231
2232	len = end - begin;	2002	end -= begin;
2233	for (i = begin; i < end; i++)
2234	{
2235	j = begin + RANDOM () % len;
2236		2003
2237	tmp = arr[i];	2004	while (--end)
2238	arr[i] = arr[j];	2005	swap (arr [end], arr [rndm (end + 1)]);
2239	arr[j] = tmp;
2240	}
2241	}	2006	}
2242		2007
2243	/* new function to make monster searching more efficient, and effective!	2008	/* new function to make monster searching more efficient, and effective!
2244	* This basically returns a randomized array (in the passed pointer) of	2009	* This basically returns a randomized array (in the passed pointer) of
2245	* the spaces to find monsters. In this way, it won't always look for	2010	* the spaces to find monsters. In this way, it won't always look for
…		…
2248	* the 3x3 area will be searched, just not in a predictable order.	2013	* the 3x3 area will be searched, just not in a predictable order.
2249	*/	2014	*/
2250	void	2015	void
2251	get_search_arr (int *search_arr)	2016	get_search_arr (int *search_arr)
2252	{	2017	{
2253	int	2018	int i;
2254	i;
2255		2019
2256	for (i = 0; i < SIZEOFFREE; i++)	2020	for (i = 0; i < SIZEOFFREE; i++)
2257	{
2258	search_arr[i] = i;	2021	search_arr[i] = i;
2259	}
2260		2022
2261	permute (search_arr, 1, SIZEOFFREE1 + 1);	2023	permute (search_arr, 1, SIZEOFFREE1 + 1);
2262	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2024	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2263	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2025	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2264	}	2026	}
…		…
2273	* Perhaps incorrectly, but I'm making the assumption that exclude	2035	* Perhaps incorrectly, but I'm making the assumption that exclude
2274	* is actually want is going to try and move there. We need this info	2036	* is actually want is going to try and move there. We need this info
2275	* because we have to know what movement the thing looking to move	2037	* because we have to know what movement the thing looking to move
2276	* there is capable of.	2038	* there is capable of.
2277	*/	2039	*/
2278
2279	int	2040	int
2280	find_dir (maptile *m, int x, int y, object *exclude)	2041	find_dir (maptile *m, int x, int y, object *exclude)
2281	{	2042	{
2282	int
2283	i,
2284	max = SIZEOFFREE, mflags;	2043	int i, max = SIZEOFFREE, mflags;
2285		2044
2286	sint16 nx, ny;	2045	sint16 nx, ny;
2287	object *	2046	object *tmp;
2288	tmp;
2289	maptile *	2047	maptile *mp;
2290	mp;
2291		2048
2292	MoveType blocked, move_type;	2049	MoveType blocked, move_type;
2293		2050
2294	if (exclude && exclude->head)	2051	if (exclude && exclude->head_ () != exclude)
2295	{	2052	{
2296	exclude = exclude->head;	2053	exclude = exclude->head;
2297	move_type = exclude->move_type;	2054	move_type = exclude->move_type;
2298	}	2055	}
2299	else	2056	else
…		…
2307	mp = m;	2064	mp = m;
2308	nx = x + freearr_x[i];	2065	nx = x + freearr_x[i];
2309	ny = y + freearr_y[i];	2066	ny = y + freearr_y[i];
2310		2067
2311	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2068	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2069
2312	if (mflags & P_OUT_OF_MAP)	2070	if (mflags & P_OUT_OF_MAP)
2313	{
2314	max = maxfree[i];	2071	max = maxfree[i];
2315	}
2316	else	2072	else
2317	{	2073	{
2318	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2074	mapspace &ms = mp->at (nx, ny);
		2075
		2076	blocked = ms.move_block;
2319		2077
2320	if ((move_type & blocked) == move_type)	2078	if ((move_type & blocked) == move_type)
2321	{
2322	max = maxfree[i];	2079	max = maxfree[i];
2323	}
2324	else if (mflags & P_IS_ALIVE)	2080	else if (mflags & P_IS_ALIVE)
2325	{	2081	{
2326	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2082	for (tmp = ms.bot; tmp; tmp = tmp->above)
2327	{	2083	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2328	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2084	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2329	{
2330	break;	2085	break;
2331	}	2086
2332	}
2333	if (tmp)	2087	if (tmp)
2334	{
2335	return freedir[i];	2088	return freedir[i];
2336	}
2337	}	2089	}
2338	}	2090	}
2339	}	2091	}
		2092
2340	return 0;	2093	return 0;
2341	}	2094	}
2342		2095
2343	/*	2096	/*
2344	* distance(object 1, object 2) will return the square of the	2097	* distance(object 1, object 2) will return the square of the
2345	* distance between the two given objects.	2098	* distance between the two given objects.
2346	*/	2099	*/
2347
2348	int	2100	int
2349	distance (const object *ob1, const object *ob2)	2101	distance (const object *ob1, const object *ob2)
2350	{	2102	{
2351	int
2352	i;
2353
2354	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2103	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2355	return i;
2356	}	2104	}
2357		2105
2358	/*	2106	/*
2359	* find_dir_2(delta-x,delta-y) will return a direction in which	2107	* find_dir_2(delta-x,delta-y) will return a direction in which
2360	* an object which has subtracted the x and y coordinates of another	2108	* an object which has subtracted the x and y coordinates of another
2361	* object, needs to travel toward it.	2109	* object, needs to travel toward it.
2362	*/	2110	*/
2363
2364	int	2111	int
2365	find_dir_2 (int x, int y)	2112	find_dir_2 (int x, int y)
2366	{	2113	{
2367	int	2114	int q;
2368	q;
2369		2115
2370	if (y)	2116	if (y)
2371	q = x * 100 / y;	2117	q = x * 100 / y;
2372	else if (x)	2118	else if (x)
2373	q = -300 * x;	2119	q = -300 * x;
…		…
2398		2144
2399	return 3;	2145	return 3;
2400	}	2146	}
2401		2147
2402	/*	2148	/*
2403	* absdir(int): Returns a number between 1 and 8, which represent
2404	* the "absolute" direction of a number (it actually takes care of
2405	* "overflow" in previous calculations of a direction).
2406	*/
2407
2408	int
2409	absdir (int d)
2410	{
2411	while (d < 1)
2412	d += 8;
2413	while (d > 8)
2414	d -= 8;
2415	return d;
2416	}
2417
2418	/*
2419	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2149	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2420	* between two directions (which are expected to be absolute (see absdir())	2150	* between two directions (which are expected to be absolute (see absdir())
2421	*/	2151	*/
2422
2423	int	2152	int
2424	dirdiff (int dir1, int dir2)	2153	dirdiff (int dir1, int dir2)
2425	{	2154	{
2426	int	2155	int d;
2427	d;
2428		2156
2429	d = abs (dir1 - dir2);	2157	d = abs (dir1 - dir2);
2430	if (d > 4)	2158	if (d > 4)
2431	d = 8 - d;	2159	d = 8 - d;
		2160
2432	return d;	2161	return d;
2433	}	2162	}
2434		2163
2435	/* peterm:	2164	/* peterm:
2436	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2165	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2439	* This basically means that if direction is 15, then it could either go	2168	* This basically means that if direction is 15, then it could either go
2440	* direction 4, 14, or 16 to get back to where we are.	2169	* direction 4, 14, or 16 to get back to where we are.
2441	* Moved from spell_util.c to object.c with the other related direction	2170	* Moved from spell_util.c to object.c with the other related direction
2442	* functions.	2171	* functions.
2443	*/	2172	*/
2444
2445	int
2446	reduction_dir[SIZEOFFREE][3] = {	2173	int reduction_dir[SIZEOFFREE][3] = {
2447	{0, 0, 0}, /* 0 */	2174	{0, 0, 0}, /* 0 */
2448	{0, 0, 0}, /* 1 */	2175	{0, 0, 0}, /* 1 */
2449	{0, 0, 0}, /* 2 */	2176	{0, 0, 0}, /* 2 */
2450	{0, 0, 0}, /* 3 */	2177	{0, 0, 0}, /* 3 */
2451	{0, 0, 0}, /* 4 */	2178	{0, 0, 0}, /* 4 */
…		…
2499	* find a path to that monster that we found. If not,	2226	* find a path to that monster that we found. If not,
2500	* we don't bother going toward it. Returns 1 if we	2227	* we don't bother going toward it. Returns 1 if we
2501	* can see a direct way to get it	2228	* can see a direct way to get it
2502	* Modified to be map tile aware -.MSW	2229	* Modified to be map tile aware -.MSW
2503	*/	2230	*/
2504
2505
2506	int	2231	int
2507	can_see_monsterP (maptile *m, int x, int y, int dir)	2232	can_see_monsterP (maptile *m, int x, int y, int dir)
2508	{	2233	{
2509	sint16 dx, dy;	2234	sint16 dx, dy;
2510	int
2511	mflags;	2235	int mflags;
2512		2236
2513	if (dir < 0)	2237	if (dir < 0)
2514	return 0; /* exit condition: invalid direction */	2238	return 0; /* exit condition: invalid direction */
2515		2239
2516	dx = x + freearr_x[dir];	2240	dx = x + freearr_x[dir];
…		…
2529	return 0;	2253	return 0;
2530		2254
2531	/* yes, can see. */	2255	/* yes, can see. */
2532	if (dir < 9)	2256	if (dir < 9)
2533	return 1;	2257	return 1;
		2258
2534	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2259	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2535	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2260	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2261	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2536	}	2262	}
2537
2538
2539		2263
2540	/*	2264	/*
2541	* can_pick(picker, item): finds out if an object is possible to be	2265	* can_pick(picker, item): finds out if an object is possible to be
2542	* picked up by the picker. Returnes 1 if it can be	2266	* picked up by the picker. Returnes 1 if it can be
2543	* picked up, otherwise 0.	2267	* picked up, otherwise 0.
…		…
2545	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2269	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2546	* core dumps if they do.	2270	* core dumps if they do.
2547	*	2271	*
2548	* Add a check so we can't pick up invisible objects (0.93.8)	2272	* Add a check so we can't pick up invisible objects (0.93.8)
2549	*/	2273	*/
2550
2551	int	2274	int
2552	can_pick (const object *who, const object *item)	2275	can_pick (const object *who, const object *item)
2553	{	2276	{
2554	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2277	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2555	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2278	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2556	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2279	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2557	}	2280	}
2558		2281
2559
2560	/*	2282	/*
2561	* create clone from object to another	2283	* create clone from object to another
2562	*/	2284	*/
2563	object *	2285	object *
2564	object_create_clone (object *asrc)	2286	object::deep_clone ()
2565	{	2287	{
2566	object *	2288	assert (("deep_clone called on non-head object", is_head ()));
2567	dst = NULL, *tmp, *src, *part, *prev, *item;
2568		2289
2569	if (!asrc)	2290	object *dst = clone ();
2570	return NULL;
2571	src = asrc;
2572	if (src->head)
2573	src = src->head;
2574		2291
2575	prev = NULL;	2292	object *prev = dst;
2576	for (part = src; part; part = part->more)	2293	for (object *part = this->more; part; part = part->more)
2577	{	2294	{
2578	tmp = get_object ();	2295	object *tmp = part->clone ();
2579	copy_object (part, tmp);
2580	tmp->x -= src->x;
2581	tmp->y -= src->y;
2582	if (!part->head)
2583	{
2584	dst = tmp;
2585	tmp->head = NULL;
2586	}
2587	else
2588	{
2589	tmp->head = dst;	2296	tmp->head = dst;
2590	}
2591	tmp->more = NULL;
2592	if (prev)
2593	prev->more = tmp;	2297	prev->more = tmp;
2594	prev = tmp;	2298	prev = tmp;
2595	}	2299	}
2596		2300
2597	for (item = src->inv; item; item = item->below)	2301	for (object *item = inv; item; item = item->below)
2598	insert_ob_in_ob (object_create_clone (item), dst);	2302	insert_ob_in_ob (item->deep_clone (), dst);
2599		2303
2600	return dst;	2304	return dst;
2601	}
2602
2603	/* GROS - Creates an object using a string representing its content. */
2604	/* Basically, we save the content of the string to a temp file, then call */
2605	/* load_object on it. I admit it is a highly inefficient way to make things, */
2606	/* but it was simple to make and allows reusing the load_object function. */
2607	/* Remember not to use load_object_str in a time-critical situation. */
2608	/* Also remember that multiparts objects are not supported for now. */
2609
2610	object *
2611	load_object_str (const char *obstr)
2612	{
2613	object *op;
2614	char filename[MAX_BUF];
2615
2616	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2617
2618	FILE *tempfile = fopen (filename, "w");
2619
2620	if (tempfile == NULL)
2621	{
2622	LOG (llevError, "Error - Unable to access load object temp file\n");
2623	return NULL;
2624	}
2625
2626	fprintf (tempfile, obstr);
2627	fclose (tempfile);
2628
2629	op = get_object ();
2630
2631	object_thawer thawer (filename);
2632
2633	if (thawer)
2634	load_object (thawer, op, 0);
2635
2636	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2637	CLEAR_FLAG (op, FLAG_REMOVED);
2638
2639	return op;
2640	}	2305	}
2641		2306
2642	/* This returns the first object in who's inventory that	2307	/* This returns the first object in who's inventory that
2643	* has the same type and subtype match.	2308	* has the same type and subtype match.
2644	* returns NULL if no match.	2309	* returns NULL if no match.
2645	*/	2310	*/
2646	object *	2311	object *
2647	find_obj_by_type_subtype (const object *who, int type, int subtype)	2312	find_obj_by_type_subtype (const object *who, int type, int subtype)
2648	{	2313	{
2649	object *tmp;
2650
2651	for (tmp = who->inv; tmp; tmp = tmp->below)	2314	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2652	if (tmp->type == type && tmp->subtype == subtype)	2315	if (tmp->type == type && tmp->subtype == subtype)
2653	return tmp;	2316	return tmp;
2654		2317
2655	return NULL;
2656	}
2657
2658	/* If ob has a field named key, return the link from the list,
2659	* otherwise return NULL.
2660	*
2661	* key must be a passed in shared string - otherwise, this won't
2662	* do the desired thing.
2663	*/
2664	key_value *
2665	get_ob_key_link (const object *ob, const char *key)
2666	{
2667	key_value *link;
2668
2669	for (link = ob->key_values; link != NULL; link = link->next)
2670	if (link->key == key)
2671	return link;
2672
2673	return NULL;
2674	}
2675
2676	/*
2677	* Returns the value of op has an extra_field for key, or NULL.
2678	*
2679	* The argument doesn't need to be a shared string.
2680	*
2681	* The returned string is shared.
2682	*/
2683	const char *
2684	get_ob_key_value (const object *op, const char *const key)
2685	{
2686	key_value *link;
2687	shstr_cmp canonical_key (key);
2688
2689	if (!canonical_key)
2690	{
2691	/* 1. There being a field named key on any object
2692	* implies there'd be a shared string to find.
2693	* 2. Since there isn't, no object has this field.
2694	* 3. Therefore, *this* object doesn't have this field.
2695	*/
2696	return 0;
2697	}
2698
2699	/* This is copied from get_ob_key_link() above -
2700	* only 4 lines, and saves the function call overhead.
2701	*/
2702	for (link = op->key_values; link; link = link->next)
2703	if (link->key == canonical_key)
2704	return link->value;
2705
2706	return 0;	2318	return 0;
2707	}	2319	}
2708		2320
2709		2321	const shstr &
2710	/*	2322	object::kv_get (const shstr &key) const
2711	* Updates the canonical_key in op to value.
2712	*
2713	* canonical_key is a shared string (value doesn't have to be).
2714	*
2715	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2716	* keys.
2717	*
2718	* Returns TRUE on success.
2719	*/
2720	int
2721	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2722	{	2323	{
2723	key_value *	2324	for (key_value *kv = key_values; kv; kv = kv->next)
2724	field = NULL, *last = NULL;	2325	if (kv->key == key)
		2326	return kv->value;
2725		2327
2726	for (field = op->key_values; field != NULL; field = field->next)	2328	return shstr_null;
2727	{	2329	}
2728	if (field->key != canonical_key)	2330
		2331	void
		2332	object::kv_set (const shstr &key, const shstr &value)
		2333	{
		2334	for (key_value *kv = key_values; kv; kv = kv->next)
		2335	if (kv->key == key)
2729	{	2336	{
2730	last = field;	2337	kv->value = value;
2731	continue;	2338	return;
2732	}	2339	}
2733		2340
2734	if (value)	2341	key_value *kv = new key_value;
2735	field->value = value;	2342
2736	else	2343	kv->next = key_values;
		2344	kv->key = key;
		2345	kv->value = value;
		2346
		2347	key_values = kv;
		2348	}
		2349
		2350	void
		2351	object::kv_del (const shstr &key)
		2352	{
		2353	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2354	if ((*kvp)->key == key)
2737	{	2355	{
2738	/* Basically, if the archetype has this key set,	2356	key_value *kv = *kvp;
2739	* we need to store the null value so when we save	2357	*kvp = (*kvp)->next;
2740	* it, we save the empty value so that when we load,	2358	delete kv;
2741	* we get this value back again.	2359	return;
2742	*/
2743	if (get_ob_key_link (&op->arch->clone, canonical_key))
2744	field->value = 0;
2745	else
2746	{
2747	if (last)
2748	last->next = field->next;
2749	else
2750	op->key_values = field->next;
2751
2752	delete field;
2753	}
2754	}	2360	}
2755	return TRUE;
2756	}
2757	/* IF we get here, key doesn't exist */
2758
2759	/* No field, we'll have to add it. */
2760
2761	if (!add_key)
2762	{
2763	return FALSE;
2764	}
2765	/* There isn't any good reason to store a null
2766	* value in the key/value list. If the archetype has
2767	* this key, then we should also have it, so shouldn't
2768	* be here. If user wants to store empty strings,
2769	* should pass in ""
2770	*/
2771	if (value == NULL)
2772	return TRUE;
2773
2774	field = new key_value;
2775
2776	field->key = canonical_key;
2777	field->value = value;
2778	/* Usual prepend-addition. */
2779	field->next = op->key_values;
2780	op->key_values = field;
2781
2782	return TRUE;
2783	}
2784
2785	/*
2786	* Updates the key in op to value.
2787	*
2788	* If add_key is FALSE, this will only update existing keys,
2789	* and not add new ones.
2790	* In general, should be little reason FALSE is ever passed in for add_key
2791	*
2792	* Returns TRUE on success.
2793	*/
2794	int
2795	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2796	{
2797	shstr key_ (key);
2798
2799	return set_ob_key_value_s (op, key_, value, add_key);
2800	}	2361	}
2801		2362
2802	object::depth_iterator::depth_iterator (object *container)	2363	object::depth_iterator::depth_iterator (object *container)
2803	: iterator_base (container)	2364	: iterator_base (container)
2804	{	2365	{
…		…
2818	}	2379	}
2819	else	2380	else
2820	item = item->env;	2381	item = item->env;
2821	}	2382	}
2822		2383
		2384	const char *
		2385	object::flag_desc (char *desc, int len) const
		2386	{
		2387	char *p = desc;
		2388	bool first = true;
		2389
		2390	*p = 0;
		2391
		2392	for (int i = 0; i < NUM_FLAGS; i++)
		2393	{
		2394	if (len <= 10) // magic constant!
		2395	{
		2396	snprintf (p, len, ",...");
		2397	break;
		2398	}
		2399
		2400	if (flag [i])
		2401	{
		2402	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2403	len -= cnt;
		2404	p += cnt;
		2405	first = false;
		2406	}
		2407	}
		2408
		2409	return desc;
		2410	}
		2411
2823	// return a suitable string describing an objetc in enough detail to find it	2412	// return a suitable string describing an object in enough detail to find it
2824	const char *	2413	const char *
2825	object::debug_desc (char *info) const	2414	object::debug_desc (char *info) const
2826	{	2415	{
		2416	char flagdesc[512];
2827	char info2[256 * 3];	2417	char info2[256 * 4];
2828	char *p = info;	2418	char *p = info;
2829		2419
2830	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2420	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2831	count,	2421	count,
		2422	uuid.c_str (),
2832	&name,	2423	&name,
2833	title ? " " : "",	2424	title ? "\",title:\"" : "",
2834	title ? (const char *)title : "");	2425	title ? (const char *)title : "",
		2426	flag_desc (flagdesc, 512), type);
2835		2427
2836	if (env)	2428	if (!flag[FLAG_REMOVED] && env)
2837	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2429	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2838		2430
2839	if (map)	2431	if (map)
2840	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2432	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2841		2433
2842	return info;	2434	return info;
2843	}	2435	}
2844		2436
2845	const char *	2437	const char *
2846	object::debug_desc () const	2438	object::debug_desc () const
2847	{	2439	{
2848	static char info[256 * 3];	2440	static char info[3][256 * 4];
		2441	static int info_idx;
		2442
2849	return debug_desc (info);	2443	return debug_desc (info [++info_idx % 3]);
2850	}	2444	}
2851		2445
		2446	struct region *
		2447	object::region () const
		2448	{
		2449	return map ? map->region (x, y)
		2450	: region::default_region ();
		2451	}
		2452
		2453	const materialtype_t *
		2454	object::dominant_material () const
		2455	{
		2456	if (materialtype_t *mt = name_to_material (materialname))
		2457	return mt;
		2458
		2459	return name_to_material (shstr_unknown);
		2460	}
		2461
		2462	void
		2463	object::open_container (object *new_container)
		2464	{
		2465	if (container == new_container)
		2466	return;
		2467
		2468	object *old_container = container;
		2469
		2470	if (old_container)
		2471	{
		2472	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2473	return;
		2474
		2475	#if 0
		2476	// remove the "Close old_container" object.
		2477	if (object *closer = old_container->inv)
		2478	if (closer->type == CLOSE_CON)
		2479	closer->destroy ();
		2480	#endif
		2481
		2482	// make sure the container is available
		2483	esrv_send_item (this, old_container);
		2484
		2485	old_container->flag [FLAG_APPLIED] = false;
		2486	container = 0;
		2487
		2488	// client needs item update to make it work, client bug requires this to be separate
		2489	esrv_update_item (UPD_FLAGS, this, old_container);
		2490
		2491	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2492	play_sound (sound_find ("chest_close"));
		2493	}
		2494
		2495	if (new_container)
		2496	{
		2497	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2498	return;
		2499
		2500	// TODO: this does not seem to serve any purpose anymore?
		2501	#if 0
		2502	// insert the "Close Container" object.
		2503	if (archetype *closer = new_container->other_arch)
		2504	{
		2505	object *closer = arch_to_object (new_container->other_arch);
		2506	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2507	new_container->insert (closer);
		2508	}
		2509	#endif
		2510
		2511	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2512
		2513	// make sure the container is available, client bug requires this to be separate
		2514	esrv_send_item (this, new_container);
		2515
		2516	new_container->flag [FLAG_APPLIED] = true;
		2517	container = new_container;
		2518
		2519	// client needs flag change
		2520	esrv_update_item (UPD_FLAGS, this, new_container);
		2521	esrv_send_inventory (this, new_container);
		2522	play_sound (sound_find ("chest_open"));
		2523	}
		2524	// else if (!old_container->env && contr && contr->ns)
		2525	// contr->ns->floorbox_reset ();
		2526	}
		2527
		2528	object *
		2529	object::force_find (const shstr name)
		2530	{
		2531	/* cycle through his inventory to look for the MARK we want to
		2532	* place
		2533	*/
		2534	for (object *tmp = inv; tmp; tmp = tmp->below)
		2535	if (tmp->type == FORCE && tmp->slaying == name)
		2536	return splay (tmp);
		2537
		2538	return 0;
		2539	}
		2540
		2541	void
		2542	object::force_add (const shstr name, int duration)
		2543	{
		2544	if (object *force = force_find (name))
		2545	force->destroy ();
		2546
		2547	object *force = get_archetype (FORCE_NAME);
		2548
		2549	force->slaying = name;
		2550	force->stats.food = 1;
		2551	force->speed_left = -1.f;
		2552
		2553	force->set_speed (duration ? 1.f / duration : 0.f);
		2554	force->flag [FLAG_IS_USED_UP] = true;
		2555	force->flag [FLAG_APPLIED] = true;
		2556
		2557	insert (force);
		2558	}
		2559
		2560	void
		2561	object::play_sound (faceidx sound)
		2562	{
		2563	if (!sound)
		2564	return;
		2565
		2566	if (flag [FLAG_REMOVED])
		2567	return;
		2568
		2569	if (env)
		2570	{
		2571	if (object *pl = in_player ())
		2572	pl->contr->play_sound (sound);
		2573	}
		2574	else
		2575	map->play_sound (sound, x, y);
		2576	}
		2577

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