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Comparing deliantra/server/common/object.C (file contents):
Revision 1.127 by elmex, Mon Jan 29 21:04:32 2007 UTC vs.
Revision 1.250 by root, Wed Jul 16 14:29:40 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 (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	* 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
10	* the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	* (at your option) any later version.	11	* (at your option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	*	20	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	22	*/
24		23
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	24	#include <global.h>
29	#include <stdio.h>	25	#include <stdio.h>
30	#include <sys/types.h>	26	#include <sys/types.h>
31	#include <sys/uio.h>	27	#include <sys/uio.h>
32	#include <object.h>	28	#include <object.h>
33	#include <funcpoint.h>	29	#include <sproto.h>
34	#include <loader.h>	30	#include <loader.h>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	int nrofallocobjects = 0;	34	UUID UUID::cur;
39	static UUID uuid;	35	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
41		37
42	objectvec objects;	38	objectvec objects;
43	activevec actives;	39	activevec actives;
44		40
45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	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,
46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	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
47	};	46	};
48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	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,
49	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	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
50	};	52	};
51	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,	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,
52	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49	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
53	};	58	};
54	int freedir[SIZEOFFREE] = {	59	int freedir[SIZEOFFREE] = {
55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	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,
56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	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
57	};	64	};
58		65
59	static void	66	static void
60	write_uuid (void)	67	write_uuid (uval64 skip, bool sync)
61	{	68	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	69	CALL_BEGIN (2);
63		70	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	71	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	72	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		73	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	74	}
79		75
80	static void	76	static void
81	read_uuid (void)	77	read_uuid (void)
82	{	78	{
83	char filename[MAX_BUF];	79	char filename[MAX_BUF];
84		80
85	sprintf (filename, "%s/uuid", settings.localdir);	81	sprintf (filename, "%s/uuid", settings.localdir);
		82
		83	seq_next_save = 0;
86		84
87	FILE *fp;	85	FILE *fp;
88		86
89	if (!(fp = fopen (filename, "r")))	87	if (!(fp = fopen (filename, "r")))
90	{	88	{
91	if (errno == ENOENT)	89	if (errno == ENOENT)
92	{	90	{
93	LOG (llevInfo, "RESET uid to 1\n");	91	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	92	UUID::cur.seq = 0;
95	write_uuid ();	93	write_uuid (UUID_GAP, true);
96	return;	94	return;
97	}	95	}
98		96
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	98	_exit (1);
101	}	99	}
102		100
103	int version;	101	UUID::BUF buf;
104	unsigned long long uid;	102	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	103	fgets (buf, sizeof (buf), fp);
		104
		105	if (!UUID::cur.parse (buf))
106	{	106	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	107	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	108	_exit (1);
109	}	109	}
110		110
111	uuid.seq = uid;	111	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	112
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	113	write_uuid (UUID_GAP, true);
114	fclose (fp);	114	fclose (fp);
115	}	115	}
116		116
117	UUID	117	UUID
118	gen_uuid ()	118	UUID::gen ()
119	{	119	{
120	UUID uid;	120	UUID uid;
121		121
122	uid.seq = ++uuid.seq;	122	uid.seq = ++cur.seq;
123		123
124	if (!(uuid.seq & (UUID_SKIP - 1)))	124	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	125	{
		126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		127	write_uuid (UUID_GAP, false);
		128	}
		129
126		130
127	return uid;	131	return uid;
128	}	132	}
129		133
130	void	134	void
131	init_uuid ()	135	UUID::init ()
132	{	136	{
133	read_uuid ();	137	read_uuid ();
134	}	138	}
135		139
136	/* 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. */
137	static int	141	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	142	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	143	{
140	key_value *wants_field;
141
142	/* 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
143	* 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
144	* different structure or at least keep the lists sorted...	146	* different structure or at least keep the lists sorted...
145	*/	147	*/
146		148
147	/* For each field in wants, */	149	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	150	for (key_value *kv = wants->key_values; kv; kv = kv->next)
149	{	151	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	152	return false;
151
152	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);
154
155	if (has_field == NULL)
156	{
157	/* No field with that name. */
158	return FALSE;
159	}
160
161	/* Found the matching field. */
162	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167
168	/* If we get here, we found a match. Now for the next field in wants. */
169	}
170		153
171	/* 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. */
172	return TRUE;	155	return true;
173	}	156	}
174		157
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	158	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	159	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	160	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	161	{
179	/* 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,
180	* so we need to run the comparison *twice*. :(	163	* so we need to run the comparison *twice*. :(
181	*/	164	*/
182	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);
183	}	167	}
184		168
185	/* 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
186	* they can be merged together.	170	* they can be merged together.
187	*	171	*
…		…
202	|| ob1->speed != ob2->speed	186	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	187	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	188	|| ob1->name != ob2->name)
205	return 0;	189	return 0;
206		190
207	//TODO: this ain't working well, use nicer and correct overflow check	191	/* Do not merge objects if nrof would overflow. First part checks
208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	192	* for unsigned overflow (2c), second part checks whether the result
209	* value could not be stored in a sint32 (which unfortunately sometimes is	193	* would fit into a 32 bit signed int, which is often used to hold
210	* used to store nrof).	194	* nrof values.
211	*/	195	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)	196	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
213	return 0;	197	return 0;
214		198
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	199	/* If the objects have been identified, set the BEEN_APPLIED flag.
216	* This is to the comparison of the flags below will be OK. We	200	* This is to the comparison of the flags below will be OK. We
217	* just can't ignore the been applied or identified flags, as they	201	* just can't ignore the been applied or identified flags, as they
218	* are not equal - just if it has been identified, the been_applied	202	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	203	* flags lose any meaning.
220	*/	204	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	205	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	206	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		207
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	208	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	209	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		210
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	211	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	212	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	213	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	214	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	215	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	216	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	217	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	218	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	219	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	220	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	221	|| ob1->animation_id != ob2->animation_id
		222	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
241	|| ob1->client_type != ob2->client_type	223	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	224	|| ob1->materialname != ob2->materialname
243	|| ob1->lore != ob2->lore	225	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	226	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	227	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	228	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	229	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	230	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	231	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	232	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	233	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		234	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		235	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	236	return 0;
253		237
		238	if ((ob1->flag ^ ob2->flag)
		239	.reset (FLAG_INV_LOCKED)
		240	.reset (FLAG_CLIENT_SENT)
		241	.reset (FLAG_REMOVED)
		242	.any ())
		243	return 0;
		244
254	/* This is really a spellbook check - really, we should	245	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	246	* not merge objects with real inventories, as splitting them
		247	* is hard.
256	*/	248	*/
257	if (ob1->inv || ob2->inv)	249	if (ob1->inv || ob2->inv)
258	{	250	{
259	/* if one object has inventory but the other doesn't, not equiv */	251	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	252	return 0; /* inventories differ in length */
261	return 0;
262		253
263	/* Now check to see if the two inventory objects could merge */	254	if (ob1->inv->below || ob2->inv->below)
		255	return 0; /* more than one object in inv */
		256
264	if (!object::can_merge (ob1->inv, ob2->inv))	257	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	258	return 0; /* inventory objects differ */
266		259
267	/* inventory ok - still need to check rest of this object to see	260	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	261	* if it is valid.
269	*/	262	*/
270	}	263	}
…		…
289	if (ob1->level != ob2->level)	282	if (ob1->level != ob2->level)
290	return 0;	283	return 0;
291	break;	284	break;
292	}	285	}
293		286
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	287	if (ob1->key_values || ob2->key_values)
295	{	288	{
296	/* At least one of these has key_values. */	289	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	290	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	291	return 0; /* One has fields, but the other one doesn't. */
		292
		293	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	294	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	295	}
303		296
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	297	if (ob1->self || ob2->self)
306	{	298	{
307	ob1->optimise ();	299	ob1->optimise ();
308	ob2->optimise ();	300	ob2->optimise ();
309		301
310	if (ob1->self || ob2->self)	302	if (ob1->self || ob2->self)
		303	{
		304	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		305	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		306
		307	if (k1 != k2)
311	return 0;	308	return 0;
		309
		310	if (k1 == 0)
		311	return 1;
		312
		313	if (!cfperl_can_merge (ob1, ob2))
		314	return 0;
		315	}
312	}	316	}
313		317
314	/* Everything passes, must be OK. */	318	/* Everything passes, must be OK. */
315	return 1;	319	return 1;
316	}	320	}
317		321
		322	// find player who can see this object
		323	object *
		324	object::visible_to () const
		325	{
		326	if (client_visible () && !flag [FLAG_REMOVED])
		327	{
		328	// see if we are in a container of sorts
		329	if (env)
		330	{
		331	// the player inventory itself is always visible
		332	if (env->type == PLAYER)
		333	return env;
		334
		335	// else a player could have our env open
		336	object *envest = env->outer_env ();
		337
		338	// the player itself is always on a map, so we will find him here
		339	// even if our inv is in a player.
		340	if (envest->is_on_map ())
		341	if (object *pl = envest->ms ().player ())
		342	if (pl->container == env)
		343	return pl;
		344	}
		345	else
		346	{
		347	// maybe there is a player standing on the same mapspace
		348	// this will catch the case where "this" is a player
		349	if (object *pl = ms ().player ())
		350	if ((!pl->container && pl->contr->ns && !pl->contr->ns->update_look)
		351	|| this == pl->container)
		352	return pl;
		353	}
		354	}
		355
		356	return 0;
		357	}
		358
		359	// adjust weight per container type ("of holding")
		360	static sint32
		361	weight_adjust_for (object *op, sint32 weight)
		362	{
		363	return op->type == CONTAINER
		364	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		365	: weight;
		366	}
		367
318	/*	368	/*
		369	* adjust_weight(object, weight) adds the specified weight to an object,
		370	* and also updates how much the environment(s) is/are carrying.
		371	*/
		372	static void
		373	adjust_weight (object *op, sint32 weight)
		374	{
		375	while (op)
		376	{
		377	// adjust by actual difference to account for rounding errors
		378	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		379	weight = weight_adjust_for (op, op->carrying)
		380	- weight_adjust_for (op, op->carrying - weight);
		381
		382	if (!weight)
		383	return;
		384
		385	op->carrying += weight;
		386
		387	if (object *pl = op->visible_to ())
		388	if (pl != op) // player is handled lazily
		389	esrv_update_item (UPD_WEIGHT, pl, op);
		390
		391	op = op->env;
		392	}
		393	}
		394
		395	/*
319	* sum_weight() is a recursive function which calculates the weight	396	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	397	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	398	* containers are carrying, and sums it up.
322	*/	399	*/
323	long	400	void
324	sum_weight (object *op)	401	object::update_weight ()
325	{	402	{
326	long sum;	403	sint32 sum = 0;
327	object *inv;
328		404
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	405	for (object *op = inv; op; op = op->below)
330	{	406	{
331	if (inv->inv)	407	if (op->inv)
332	sum_weight (inv);	408	op->update_weight ();
333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	409
		410	sum += op->total_weight ();
		411	}
		412
		413	sum = weight_adjust_for (this, sum);
		414
		415	if (sum != carrying)
334	}	416	{
335
336	if (op->type == CONTAINER && op->stats.Str)
337	sum = (sum * (100 - op->stats.Str)) / 100;
338
339	if (op->carrying != sum)
340	op->carrying = sum;	417	carrying = sum;
341		418
342	return sum;	419	if (object *pl = visible_to ())
		420	if (pl != this) // player is handled lazily
		421	esrv_update_item (UPD_WEIGHT, pl, this);
		422	}
343	}	423	}
344		424
345	/**	425	/*
346	* Return the outermost environment object for a given object.	426	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/	427	*/
348
349	object *
350	object_get_env_recursive (object *op)
351	{
352	while (op->env != NULL)
353	op = op->env;
354	return op;
355	}
356
357	/*
358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
359	* Some error messages.
360	* The result of the dump is stored in the static global errmsg array.
361	*/
362
363	char *	428	char *
364	dump_object (object *op)	429	dump_object (object *op)
365	{	430	{
366	if (!op)	431	if (!op)
367	return strdup ("[NULLOBJ]");	432	return strdup ("[NULLOBJ]");
368		433
369	object_freezer freezer;	434	object_freezer freezer;
370	save_object (freezer, op, 1);	435	op->write (freezer);
371	return freezer.as_string ();	436	return freezer.as_string ();
372	}	437	}
373		438
374	/*	439	/*
375	* get_nearest_part(multi-object, object 2) returns the part of the	440	* get_nearest_part(multi-object, object 2) returns the part of the
376	* multi-object 1 which is closest to the second object.	441	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.	442	* If it's not a multi-object, it is returned.
378	*/	443	*/
379
380	object *	444	object *
381	get_nearest_part (object *op, const object *pl)	445	get_nearest_part (object *op, const object *pl)
382	{	446	{
383	object *tmp, *closest;	447	object *tmp, *closest;
384	int last_dist, i;	448	int last_dist, i;
385		449
386	if (op->more == NULL)	450	if (!op->more)
387	return op;	451	return op;
		452
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	453	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		454	tmp;
		455	tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)	456	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;	457	closest = tmp, last_dist = i;
		458
391	return closest;	459	return closest;
392	}	460	}
393		461
394	/*	462	/*
395	* Returns the object which has the count-variable equal to the argument.	463	* Returns the object which has the count-variable equal to the argument.
		464	* VERRRY slow.
396	*/	465	*/
397	object *	466	object *
398	find_object (tag_t i)	467	find_object (tag_t i)
399	{	468	{
400	for_all_objects (op)	469	for_all_objects (op)
…		…
411	*/	480	*/
412	object *	481	object *
413	find_object_name (const char *str)	482	find_object_name (const char *str)
414	{	483	{
415	shstr_cmp str_ (str);	484	shstr_cmp str_ (str);
416	object *op;
417		485
		486	if (str_)
418	for_all_objects (op)	487	for_all_objects (op)
419	if (op->name == str_)	488	if (op->name == str_)
420	break;	489	return op;
421		490
422	return op;	491	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	492	}
430		493
431	/*	494	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	495	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	496	* skill and experience objects.
		497	* ACTUALLY NO! investigate! TODO
434	*/	498	*/
435	void	499	void
436	object::set_owner (object *owner)	500	object::set_owner (object *owner)
437	{	501	{
		502	// allow objects which own objects
438	if (!owner)	503	if (owner)
439	return;
440
441	/* next line added to allow objects which own objects */
442	/* Add a check for ownercounts in here, as I got into an endless loop
443	* with the fireball owning a poison cloud which then owned the
444	* fireball. I believe that was caused by one of the objects getting
445	* freed and then another object replacing it. Since the ownercounts
446	* didn't match, this check is valid and I believe that cause is valid.
447	*/
448	while (owner->owner)	504	while (owner->owner)
449	owner = owner->owner;	505	owner = owner->owner;
		506
		507	if (flag [FLAG_FREED])
		508	{
		509	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		510	return;
		511	}
450		512
451	this->owner = owner;	513	this->owner = owner;
		514	}
		515
		516	int
		517	object::slottype () const
		518	{
		519	if (type == SKILL)
		520	{
		521	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		522	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		523	}
		524	else
		525	{
		526	if (slot [body_combat].info) return slot_combat;
		527	if (slot [body_range ].info) return slot_ranged;
		528	}
		529
		530	return slot_none;
		531	}
		532
		533	bool
		534	object::change_weapon (object *ob)
		535	{
		536	if (current_weapon == ob)
		537	return true;
		538
		539	if (chosen_skill)
		540	chosen_skill->flag [FLAG_APPLIED] = false;
		541
		542	current_weapon = ob;
		543	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		544
		545	if (chosen_skill)
		546	chosen_skill->flag [FLAG_APPLIED] = true;
		547
		548	update_stats ();
		549
		550	if (ob)
		551	{
		552	// now check wether any body locations became invalid, in which case
		553	// we cannot apply the weapon at the moment.
		554	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		555	if (slot[i].used < 0)
		556	{
		557	current_weapon = chosen_skill = 0;
		558	update_stats ();
		559
		560	new_draw_info_format (NDI_UNIQUE, 0, this,
		561	"You try to balance all your items at once, "
		562	"but the %s is just too much for your body. "
		563	"[You need to unapply some items first.]", &ob->name);
		564	return false;
		565	}
		566
		567	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		568	}
		569	else
		570	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		571
		572	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		573	{
		574	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		575	&name, ob->debug_desc ());
		576	return false;
		577	}
		578
		579	return true;
452	}	580	}
453		581
454	/* Zero the key_values on op, decrementing the shared-string	582	/* Zero the key_values on op, decrementing the shared-string
455	* refcounts and freeing the links.	583	* refcounts and freeing the links.
456	*/	584	*/
457	static void	585	static void
458	free_key_values (object *op)	586	free_key_values (object *op)
459	{	587	{
460	for (key_value *i = op->key_values; i != 0;)	588	for (key_value *i = op->key_values; i; )
461	{	589	{
462	key_value *next = i->next;	590	key_value *next = i->next;
463	delete i;	591	delete i;
464		592
465	i = next;	593	i = next;
…		…
477	* will point at garbage.	605	* will point at garbage.
478	*/	606	*/
479	void	607	void
480	object::copy_to (object *dst)	608	object::copy_to (object *dst)
481	{	609	{
482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	610	dst->remove ();
483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
484
485	*(object_copy *)dst = *this;	611	*(object_copy *)dst = *this;
486		612	dst->flag [FLAG_REMOVED] = true;
487	if (is_freed)
488	SET_FLAG (dst, FLAG_FREED);
489
490	if (is_removed)
491	SET_FLAG (dst, FLAG_REMOVED);
492
493	if (speed < 0)
494	dst->speed_left = speed_left - rndm ();
495		613
496	/* Copy over key_values, if any. */	614	/* Copy over key_values, if any. */
497	if (key_values)	615	if (key_values)
498	{	616	{
499	key_value *tail = 0;	617	key_value *tail = 0;
500	key_value *i;
501
502	dst->key_values = 0;	618	dst->key_values = 0;
503		619
504	for (i = key_values; i; i = i->next)	620	for (key_value *i = key_values; i; i = i->next)
505	{	621	{
506	key_value *new_link = new key_value;	622	key_value *new_link = new key_value;
507		623
508	new_link->next = 0;	624	new_link->next = 0;
509	new_link->key = i->key;	625	new_link->key = i->key;
510	new_link->value = i->value;	626	new_link->value = i->value;
511		627
512	/* Try and be clever here, too. */	628	/* Try and be clever here, too. */
513	if (!dst->key_values)	629	if (!dst->key_values)
514	{	630	{
…		…
521	tail = new_link;	637	tail = new_link;
522	}	638	}
523	}	639	}
524	}	640	}
525		641
		642	if (speed < 0)
		643	dst->speed_left -= rndm ();
		644
526	dst->set_speed (dst->speed);	645	dst->set_speed (dst->speed);
		646	}
		647
		648	void
		649	object::instantiate ()
		650	{
		651	if (!uuid.seq) // HACK
		652	uuid = UUID::gen ();
		653
		654	speed_left = -0.1f;
		655	/* copy the body_info to the body_used - this is only really
		656	* need for monsters, but doesn't hurt to do it for everything.
		657	* by doing so, when a monster is created, it has good starting
		658	* values for the body_used info, so when items are created
		659	* for it, they can be properly equipped.
		660	*/
		661	for (int i = NUM_BODY_LOCATIONS; i--; )
		662	slot[i].used = slot[i].info;
		663
		664	attachable::instantiate ();
527	}	665	}
528		666
529	object *	667	object *
530	object::clone ()	668	object::clone ()
531	{	669	{
532	object *neu = create ();	670	object *neu = create ();
533	copy_to (neu);	671	copy_to (neu);
		672	neu->map = map; // not copied by copy_to
534	return neu;	673	return neu;
535	}	674	}
536		675
537	/*	676	/*
538	* If an object with the IS_TURNABLE() flag needs to be turned due	677	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
589	* UP_OBJ_FACE: only the objects face has changed.	728	* UP_OBJ_FACE: only the objects face has changed.
590	*/	729	*/
591	void	730	void
592	update_object (object *op, int action)	731	update_object (object *op, int action)
593	{	732	{
594	MoveType move_on, move_off, move_block, move_slow;	733	if (!op)
595
596	if (op == NULL)
597	{	734	{
598	/* this should never happen */	735	/* this should never happen */
599	LOG (llevDebug, "update_object() called for NULL object.\n");	736	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
600	return;	737	return;
601	}	738	}
602		739
603	if (op->env)	740	if (!op->is_on_map ())
604	{	741	{
605	/* Animation is currently handled by client, so nothing	742	/* Animation is currently handled by client, so nothing
606	* to do in this case.	743	* to do in this case.
607	*/	744	*/
608	return;	745	return;
609	}	746	}
610
611	/* If the map is saving, don't do anything as everything is
612	* going to get freed anyways.
613	*/
614	if (!op->map || op->map->in_memory == MAP_SAVING)
615	return;
616		747
617	/* make sure the object is within map boundaries */	748	/* make sure the object is within map boundaries */
618	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	749	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
619	{	750	{
620	LOG (llevError, "update_object() called for object out of map!\n");	751	LOG (llevError, "update_object() called for object out of map!\n");
…		…
680	static int object_count;	811	static int object_count;
681		812
682	void object::link ()	813	void object::link ()
683	{	814	{
684	assert (!index);//D	815	assert (!index);//D
685	uuid = gen_uuid ();	816	uuid = UUID::gen ();
686	count = ++object_count;	817	count = ++object_count;
687		818
688	refcnt_inc ();	819	refcnt_inc ();
689	objects.insert (this);	820	objects.insert (this);
690	}	821	}
…		…
763	object::destroy_inv (bool drop_to_ground)	894	object::destroy_inv (bool drop_to_ground)
764	{	895	{
765	// need to check first, because the checks below might segfault	896	// need to check first, because the checks below might segfault
766	// as we might be on an invalid mapspace and crossfire code	897	// as we might be on an invalid mapspace and crossfire code
767	// is too buggy to ensure that the inventory is empty.	898	// is too buggy to ensure that the inventory is empty.
768	// corollary: if you create arrows etc. with stuff in tis inventory,	899	// corollary: if you create arrows etc. with stuff in its inventory,
769	// cf will crash below with off-map x and y	900	// cf will crash below with off-map x and y
770	if (!inv)	901	if (!inv)
771	return;	902	return;
772		903
773	/* Only if the space blocks everything do we not process -	904	/* Only if the space blocks everything do we not process -
774	* if some form of movement is allowed, let objects	905	* if some form of movement is allowed, let objects
775	* drop on that space.	906	* drop on that space.
776	*/	907	*/
777	if (!drop_to_ground	908	if (!drop_to_ground
778	|| !map	909	|| !map
779	|| map->in_memory != MAP_IN_MEMORY	910	|| map->in_memory != MAP_ACTIVE
780	|| map->nodrop	911	|| map->no_drop
781	|| ms ().move_block == MOVE_ALL)	912	|| ms ().move_block == MOVE_ALL)
782	{	913	{
783	while (inv)	914	while (inv)
784	{
785	inv->destroy_inv (drop_to_ground);
786	inv->destroy ();	915	inv->destroy (true);
787	}
788	}	916	}
789	else	917	else
790	{ /* Put objects in inventory onto this space */	918	{ /* Put objects in inventory onto this space */
791	while (inv)	919	while (inv)
792	{	920	{
…		…
796	|| op->flag [FLAG_NO_DROP]	924	|| op->flag [FLAG_NO_DROP]
797	|| op->type == RUNE	925	|| op->type == RUNE
798	|| op->type == TRAP	926	|| op->type == TRAP
799	|| op->flag [FLAG_IS_A_TEMPLATE]	927	|| op->flag [FLAG_IS_A_TEMPLATE]
800	|| op->flag [FLAG_DESTROY_ON_DEATH])	928	|| op->flag [FLAG_DESTROY_ON_DEATH])
801	op->destroy ();	929	op->destroy (true);
802	else	930	else
803	map->insert (op, x, y);	931	map->insert (op, x, y);
804	}	932	}
805	}	933	}
806	}	934	}
…		…
810	object *op = new object;	938	object *op = new object;
811	op->link ();	939	op->link ();
812	return op;	940	return op;
813	}	941	}
814		942
		943	static struct freed_map : maptile
		944	{
		945	freed_map ()
		946	{
		947	path = "<freed objects map>";
		948	name = "/internal/freed_objects_map";
		949	width = 3;
		950	height = 3;
		951	no_drop = 1;
		952	no_reset = 1;
		953
		954	alloc ();
		955	in_memory = MAP_ACTIVE;
		956	}
		957
		958	~freed_map ()
		959	{
		960	destroy ();
		961	}
		962	} freed_map; // freed objects are moved here to avoid crashes
		963
815	void	964	void
816	object::do_destroy ()	965	object::do_destroy ()
817	{	966	{
818	attachable::do_destroy ();
819
820	if (flag [FLAG_IS_LINKED])	967	if (flag [FLAG_IS_LINKED])
821	remove_button_link (this);	968	remove_button_link (this);
822		969
823	if (flag [FLAG_FRIENDLY])	970	if (flag [FLAG_FRIENDLY])
824	{
825	remove_friendly_object (this);	971	remove_friendly_object (this);
826		972
827	if (type == GOLEM
828	&& owner
829	&& owner->type == PLAYER
830	&& owner->contr->ranges[range_golem] == this)
831	owner->contr->ranges[range_golem] = 0;
832	}
833
834	if (!flag [FLAG_REMOVED])
835	remove ();	973	remove ();
836		974
837	destroy_inv (true);	975	attachable::do_destroy ();
838		976
839	deactivate ();	977	deactivate ();
840	unlink ();	978	unlink ();
841		979
842	flag [FLAG_FREED] = 1;	980	flag [FLAG_FREED] = 1;
843		981
844	// hack to ensure that freed objects still have a valid map	982	// hack to ensure that freed objects still have a valid map
845	{
846	static maptile *freed_map; // freed objects are moved here to avoid crashes
847
848	if (!freed_map)
849	{
850	freed_map = new maptile;
851
852	freed_map->name = "/internal/freed_objects_map";
853	freed_map->width = 3;
854	freed_map->height = 3;
855
856	freed_map->alloc ();
857	freed_map->in_memory = MAP_IN_MEMORY;
858	}
859
860	map = freed_map;	983	map = &freed_map;
861	x = 1;	984	x = 1;
862	y = 1;	985	y = 1;
863	}
864
865	head = 0;
866		986
867	if (more)	987	if (more)
868	{	988	{
869	more->destroy ();	989	more->destroy ();
870	more = 0;	990	more = 0;
871	}	991	}
872		992
		993	head = 0;
		994
873	// clear those pointers that likely might have circular references to us	995	// clear those pointers that likely might cause circular references
874	owner = 0;	996	owner = 0;
875	enemy = 0;	997	enemy = 0;
876	attacked_by = 0;	998	attacked_by = 0;
		999	current_weapon = 0;
877	}	1000	}
878		1001
879	void	1002	void
880	object::destroy (bool destroy_inventory)	1003	object::destroy (bool destroy_inventory)
881	{	1004	{
882	if (destroyed ())	1005	if (destroyed ())
883	return;	1006	return;
884		1007
		1008	if (!is_head () && !head->destroyed ())
		1009	{
		1010	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1011	head->destroy (destroy_inventory);
		1012	return;
		1013	}
		1014
885	if (destroy_inventory)	1015	destroy_inv (!destroy_inventory);
886	destroy_inv (false);	1016
		1017	if (is_head ())
		1018	if (sound_destroy)
		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
887		1022
888	attachable::destroy ();	1023	attachable::destroy ();
889	}
890
891	/*
892	* sub_weight() recursively (outwards) subtracts a number from the
893	* weight of an object (and what is carried by it's environment(s)).
894	*/
895	void
896	sub_weight (object *op, signed long weight)
897	{
898	while (op != NULL)
899	{
900	if (op->type == CONTAINER)
901	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
902
903	op->carrying -= weight;
904	op = op->env;
905	}
906	}	1024	}
907		1025
908	/* op->remove ():	1026	/* op->remove ():
909	* 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
910	* 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
911	* object will have no environment. If the object previously had an	1029	* object will have no environment. If the object previously had an
912	* environment, the x and y coordinates will be updated to	1030	* environment, the x and y coordinates will be updated to
913	* the previous environment.	1031	* the previous environment.
914	*/	1032	*/
915	void	1033	void
916	object::remove_slow ()	1034	object::do_remove ()
917	{	1035	{
918	object *tmp, *last = 0;	1036	object *tmp, *last = 0;
919	object *otmp;	1037	object *otmp;
920		1038
921	if (QUERY_FLAG (this, FLAG_REMOVED))	1039	if (flag [FLAG_REMOVED])
922	return;	1040	return;
923		1041
924	SET_FLAG (this, FLAG_REMOVED);
925	INVOKE_OBJECT (REMOVE, this);	1042	INVOKE_OBJECT (REMOVE, this);
		1043
		1044	flag [FLAG_REMOVED] = true;
926		1045
927	if (more)	1046	if (more)
928	more->remove ();	1047	more->remove ();
929		1048
930	/*	1049	/*
931	* In this case, the object to be removed is in someones	1050	* In this case, the object to be removed is in someones
932	* inventory.	1051	* inventory.
933	*/	1052	*/
934	if (env)	1053	if (env)
935	{	1054	{
936	if (nrof)	1055	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
937	sub_weight (env, weight * nrof);	1056	if (object *pl = visible_to ())
938	else	1057	esrv_del_item (pl->contr, count);
939	sub_weight (env, weight + 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;
940		1077
941	/* 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
942	* made to players inventory. If set, avoiding the call	1079	* made to players inventory. If set, avoiding the call
943	* to save cpu time.	1080	* to save cpu time.
944	*/	1081	*/
945	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1082	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
946	otmp->update_stats ();	1083	otmp->update_stats ();
947
948	if (above)
949	above->below = below;
950	else
951	env->inv = below;
952
953	if (below)
954	below->above = above;
955
956	/* we set up values so that it could be inserted into
957	* the map, but we don't actually do that - it is up
958	* to the caller to decide what we want to do.
959	*/
960	x = env->x, y = env->y;
961	map = env->map;
962	above = 0, below = 0;
963	env = 0;
964	}	1084	}
965	else if (map)	1085	else if (map)
966	{	1086	{
967	if (type == PLAYER)
968	{
969	--map->players;
970	map->touch ();
971	}
972
973	map->dirty = true;	1087	map->dirty = true;
974	mapspace &ms = this->ms ();	1088	mapspace &ms = this->ms ();
975		1089
		1090	if (object *pl = ms.player ())
		1091	{
		1092	if (type == PLAYER) // this == pl(!)
		1093	{
		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);
		1110	}
		1111
976	/* link the object above us */	1112	/* link the object above us */
977	if (above)	1113	// re-link, make sure compiler can easily use cmove
978	above->below = below;	1114	*(above ? &above->below : &ms.top) = below;
979	else	1115	*(below ? &below->above : &ms.bot) = above;
980	ms.top = below; /* we were top, set new top */
981
982	/* Relink the object below us, if there is one */
983	if (below)
984	below->above = above;
985	else
986	{
987	/* Nothing below, which means we need to relink map object for this space
988	* use translated coordinates in case some oddness with map tiling is
989	* evident
990	*/
991	if (GET_MAP_OB (map, x, y) != this)
992	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
993
994	ms.bot = above; /* goes on above it. */
995	}
996		1116
997	above = 0;	1117	above = 0;
998	below = 0;	1118	below = 0;
999		1119
1000	if (map->in_memory == MAP_SAVING)	1120	if (map->in_memory == MAP_SAVING)
1001	return;	1121	return;
1002		1122
1003	int check_walk_off = !flag [FLAG_NO_APPLY];	1123	int check_walk_off = !flag [FLAG_NO_APPLY];
		1124
		1125	if (object *pl = ms.player ())
		1126	{
		1127	if (pl->container == this)
		1128	/* If a container that the player is currently using somehow gets
		1129	* removed (most likely destroyed), update the player view
		1130	* appropriately.
		1131	*/
		1132	pl->close_container ();
		1133
		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 ();
		1139	}
1004		1140
1005	for (tmp = ms.bot; tmp; tmp = tmp->above)	1141	for (tmp = ms.bot; tmp; tmp = tmp->above)
1006	{	1142	{
1007	/* 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
1008	* being removed.	1144	* being removed.
1009	*/	1145	*/
1010
1011	if (tmp->type == PLAYER && tmp != this)
1012	{
1013	/* If a container that the player is currently using somehow gets
1014	* removed (most likely destroyed), update the player view
1015	* appropriately.
1016	*/
1017	if (tmp->container == this)
1018	{
1019	flag [FLAG_APPLIED] = 0;
1020	tmp->container = 0;
1021	}
1022
1023	if (tmp->contr->ns)
1024	tmp->contr->ns->floorbox_update ();
1025	}
1026		1146
1027	/* See if object moving off should effect something */	1147	/* See if object moving off should effect something */
1028	if (check_walk_off	1148	if (check_walk_off
1029	&& ((move_type & tmp->move_off)	1149	&& ((move_type & tmp->move_off)
1030	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1150	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1033		1153
1034	if (destroyed ())	1154	if (destroyed ())
1035	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 ());
1036	}	1156	}
1037		1157
1038	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1039	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1040	if (tmp->above == tmp)
1041	tmp->above = 0;
1042
1043	last = tmp;	1158	last = tmp;
1044	}	1159	}
1045		1160
1046	/* last == NULL if there are no objects on this space */	1161	/* last == NULL if there are no objects on this space */
1047	//TODO: this makes little sense, why only update the topmost object?	1162	//TODO: this makes little sense, why only update the topmost object?
…		…
1067	merge_ob (object *op, object *top)	1182	merge_ob (object *op, object *top)
1068	{	1183	{
1069	if (!op->nrof)	1184	if (!op->nrof)
1070	return 0;	1185	return 0;
1071		1186
1072	if (top)	1187	if (!top)
1073	for (top = op; top && top->above; top = top->above)	1188	for (top = op; top && top->above; top = top->above)
1074	;	1189	;
1075		1190
1076	for (; top; top = top->below)	1191	for (; top; top = top->below)
1077	{
1078	if (top == op)
1079	continue;
1080
1081	if (object::can_merge (op, top))	1192	if (object::can_merge (op, top))
1082	{	1193	{
1083	top->nrof += op->nrof;	1194	top->nrof += op->nrof;
1084		1195
1085	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1196	if (object *pl = top->visible_to ())
1086	op->weight = 0; /* Don't want any adjustements now */	1197	esrv_update_item (UPD_NROF, pl, top);
		1198
		1199	op->weight = 0; // cancel the addition above
		1200	op->carrying = 0; // must be 0 already
		1201
1087	op->destroy ();	1202	op->destroy (1);
		1203
1088	return top;	1204	return top;
1089	}	1205	}
1090	}
1091		1206
1092	return 0;	1207	return 0;
		1208	}
		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	}
1093	}	1231	}
1094		1232
1095	/*	1233	/*
1096	* same as insert_ob_in_map except it handles separate coordinates and does a clean	1234	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1097	* job preparing multi-part monsters.	1235	* job preparing multi-part monsters.
1098	*/	1236	*/
1099	object *	1237	object *
1100	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)
1101	{	1239	{
		1240	op->remove ();
		1241
1102	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1242	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1103	{	1243	{
1104	tmp->x = x + tmp->arch->clone.x;	1244	tmp->x = x + tmp->arch->x;
1105	tmp->y = y + tmp->arch->clone.y;	1245	tmp->y = y + tmp->arch->y;
1106	}	1246	}
1107		1247
1108	return insert_ob_in_map (op, m, originator, flag);	1248	return insert_ob_in_map (op, m, originator, flag);
1109	}	1249	}
1110		1250
…		…
1129	* just 'op' otherwise	1269	* just 'op' otherwise
1130	*/	1270	*/
1131	object *	1271	object *
1132	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1272	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1133	{	1273	{
1134	object *tmp, *top, *floor = NULL;	1274	if (op->is_on_map ())
1135
1136	if (QUERY_FLAG (op, FLAG_FREED))
1137	{
1138	LOG (llevError, "Trying to insert freed object!\n");
1139	return NULL;
1140	}	1275	{
1141		1276	LOG (llevError, "insert_ob_in_map called for object already on map");
1142	if (!QUERY_FLAG (op, FLAG_REMOVED))
1143	LOG (llevError, "Trying to insert already inserted object %s\n", op->debug_desc ());
1144
1145	op->remove ();
1146
1147	if (!m)
1148	{
1149	char *dump = dump_object (op);
1150	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1151	free (dump);
1152	return op;
1153	}
1154
1155	if (out_of_map (m, op->x, op->y))
1156	{
1157	char *dump = dump_object (op);
1158	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1159	#ifdef MANY_CORES
1160	/* Better to catch this here, as otherwise the next use of this object
1161	* is likely to cause a crash. Better to find out where it is getting
1162	* improperly inserted.
1163	*/
1164	abort ();	1277	abort ();
1165	#endif
1166	free (dump);
1167	return op;
1168	}
1169
1170	if (object *more = op->more)
1171	{	1278	}
1172	if (!insert_ob_in_map (more, m, originator, flag))
1173	{
1174	if (!op->head)
1175	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1176		1279
1177	return 0;	1280	if (op->env)
1178	}
1179	}	1281	{
		1282	LOG (llevError, "insert_ob_in_map called for object in an inventory (proceeding)");
		1283	op->remove ();
		1284	}
1180		1285
1181	CLEAR_FLAG (op, FLAG_REMOVED);	1286	if (op->face && !face_info (op->face))//D TODO: remove soon
		1287	{//D
		1288	LOG (llevError | logBacktrace, "op->face out of bounds: %s", op->debug_desc ());//D
		1289	op->face = 1;//D
		1290	}//D
1182		1291
1183	/* Ideally, the caller figures this out. However, it complicates a lot	1292	/* Ideally, the caller figures this out. However, it complicates a lot
1184	* of areas of callers (eg, anything that uses find_free_spot would now	1293	* of areas of callers (eg, anything that uses find_free_spot would now
1185	* need extra work	1294	* need extra work
1186	*/	1295	*/
1187	if (!xy_normalise (m, op->x, op->y))	1296	if (!xy_normalise (m, op->x, op->y))
		1297	{
		1298	op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found
1188	return 0;	1299	return 0;
		1300	}
		1301
		1302	if (object *more = op->more)
		1303	if (!insert_ob_in_map (more, m, originator, flag))
		1304	return 0;
		1305
		1306	CLEAR_FLAG (op, FLAG_REMOVED);
1189		1307
1190	op->map = m;	1308	op->map = m;
1191	mapspace &ms = op->ms ();	1309	mapspace &ms = op->ms ();
1192		1310
1193	/* this has to be done after we translate the coordinates.	1311	/* this has to be done after we translate the coordinates.
1194	*/	1312	*/
1195	if (op->nrof && !(flag & INS_NO_MERGE))	1313	if (op->nrof && !(flag & INS_NO_MERGE))
1196	for (tmp = ms.bot; tmp; tmp = tmp->above)	1314	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1197	if (object::can_merge (op, tmp))	1315	if (object::can_merge (op, tmp))
1198	{	1316	{
		1317	// TODO: we actually want to update tmp, not op,
		1318	// but some caller surely breaks when we return tmp
		1319	// from here :/
1199	op->nrof += tmp->nrof;	1320	op->nrof += tmp->nrof;
1200	tmp->destroy ();	1321	tmp->destroy (1);
1201	}	1322	}
1202		1323
1203	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1324	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1204	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1325	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1205		1326
…		…
1212	{	1333	{
1213	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1334	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1214	abort ();	1335	abort ();
1215	}	1336	}
1216		1337
		1338	if (!originator->is_on_map ())
		1339	LOG (llevDebug | logBacktrace, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1340	op->debug_desc (), originator->debug_desc ());
		1341
1217	op->above = originator;	1342	op->above = originator;
1218	op->below = originator->below;	1343	op->below = originator->below;
1219
1220	if (op->below)
1221	op->below->above = op;
1222	else
1223	ms.bot = op;
1224
1225	/* since *below* originator, no need to update top */
1226	originator->below = op;	1344	originator->below = op;
		1345
		1346	*(op->below ? &op->below->above : &ms.bot) = op;
1227	}	1347	}
1228	else	1348	else
1229	{	1349	{
1230	top = ms.bot;	1350	object *floor = 0;
		1351	object *top = ms.top;
1231		1352
1232	/* If there are other objects, then */	1353	/* If there are other objects, then */
1233	if ((!(flag & INS_MAP_LOAD)) && top)	1354	if (top)
1234	{	1355	{
1235	object *last = 0;
1236
1237	/*	1356	/*
1238	* If there are multiple objects on this space, we do some trickier handling.	1357	* If there are multiple objects on this space, we do some trickier handling.
1239	* We've already dealt with merging if appropriate.	1358	* We've already dealt with merging if appropriate.
1240	* Generally, we want to put the new object on top. But if	1359	* Generally, we want to put the new object on top. But if
1241	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1360	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1244	* once we get to them. This reduces the need to traverse over all of	1363	* once we get to them. This reduces the need to traverse over all of
1245	* them when adding another one - this saves quite a bit of cpu time	1364	* them when adding another one - this saves quite a bit of cpu time
1246	* when lots of spells are cast in one area. Currently, it is presumed	1365	* when lots of spells are cast in one area. Currently, it is presumed
1247	* that flying non pickable objects are spell objects.	1366	* that flying non pickable objects are spell objects.
1248	*/	1367	*/
1249	for (top = ms.bot; top; top = top->above)	1368	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1250	{	1369	{
1251	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1370	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1252	floor = top;	1371	floor = tmp;
1253		1372
1254	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1373	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1255	{	1374	{
1256	/* We insert above top, so we want this object below this */	1375	/* We insert above top, so we want this object below this */
1257	top = top->below;	1376	top = tmp->below;
1258	break;	1377	break;
1259	}	1378	}
1260		1379
1261	last = top;	1380	top = tmp;
1262	}	1381	}
1263
1264	/* Don't want top to be NULL, so set it to the last valid object */
1265	top = last;
1266		1382
1267	/* We let update_position deal with figuring out what the space	1383	/* We let update_position deal with figuring out what the space
1268	* looks like instead of lots of conditions here.	1384	* looks like instead of lots of conditions here.
1269	* makes things faster, and effectively the same result.	1385	* makes things faster, and effectively the same result.
1270	*/	1386	*/
1271		1387
1272	/* Have object 'fall below' other objects that block view.	1388	/* Have object 'fall below' other objects that block view.
1273	* Unless those objects are exits, type 66	1389	* Unless those objects are exits.
1274	* If INS_ON_TOP is used, don't do this processing	1390	* If INS_ON_TOP is used, don't do this processing
1275	* Need to find the object that in fact blocks view, otherwise	1391	* Need to find the object that in fact blocks view, otherwise
1276	* stacking is a bit odd.	1392	* stacking is a bit odd.
1277	*/	1393	*/
1278	if (!(flag & INS_ON_TOP)	1394	if (!(flag & INS_ON_TOP)
1279	&& ms.flags () & P_BLOCKSVIEW	1395	&& ms.flags () & P_BLOCKSVIEW
1280	&& (op->face && !op->face->visibility))	1396	&& (op->face && !faces [op->face].visibility))
1281	{	1397	{
		1398	object *last;
		1399
1282	for (last = top; last != floor; last = last->below)	1400	for (last = top; last != floor; last = last->below)
1283	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1401	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1284	break;	1402	break;
1285		1403
1286	/* Check to see if we found the object that blocks view,	1404	/* Check to see if we found the object that blocks view,
…		…
1291	if (last && last->below && last != floor)	1409	if (last && last->below && last != floor)
1292	top = last->below;	1410	top = last->below;
1293	}	1411	}
1294	} /* If objects on this space */	1412	} /* If objects on this space */
1295		1413
1296	if (flag & INS_MAP_LOAD)
1297	top = ms.top;
1298
1299	if (flag & INS_ABOVE_FLOOR_ONLY)	1414	if (flag & INS_ABOVE_FLOOR_ONLY)
1300	top = floor;	1415	top = floor;
1301		1416
1302	/* Top is the object that our object (op) is going to get inserted above.	1417	// insert object above top, or bottom-most if top = 0
1303	*/
1304
1305	/* First object on this space */
1306	if (!top)	1418	if (!top)
1307	{	1419	{
		1420	op->below = 0;
1308	op->above = ms.bot;	1421	op->above = ms.bot;
1309
1310	if (op->above)
1311	op->above->below = op;
1312
1313	op->below = 0;
1314	ms.bot = op;	1422	ms.bot = op;
		1423
		1424	*(op->above ? &op->above->below : &ms.top) = op;
1315	}	1425	}
1316	else	1426	else
1317	{ /* get inserted into the stack above top */	1427	{
1318	op->above = top->above;	1428	op->above = top->above;
1319
1320	if (op->above)
1321	op->above->below = op;	1429	top->above = op;
1322		1430
1323	op->below = top;	1431	op->below = top;
1324	top->above = op;	1432	*(op->above ? &op->above->below : &ms.top) = op;
1325	}	1433	}
1326		1434	}
1327	if (!op->above)
1328	ms.top = op;
1329	} /* else not INS_BELOW_ORIGINATOR */
1330		1435
1331	if (op->type == PLAYER)	1436	if (op->type == PLAYER)
1332	{	1437	{
1333	op->contr->do_los = 1;	1438	op->contr->do_los = 1;
1334	++op->map->players;	1439	++op->map->players;
1335	op->map->touch ();	1440	op->map->touch ();
1336	}	1441	}
1337		1442
1338	op->map->dirty = true;	1443	op->map->dirty = true;
1339		1444
1340	/* If we have a floor, we know the player, if any, will be above
1341	* it, so save a few ticks and start from there.
1342	*/
1343	if (!(flag & INS_MAP_LOAD))
1344	if (object *pl = ms.player ())	1445	if (object *pl = ms.player ())
		1446	//TODO: the floorbox prev/next might need updating
		1447	//esrv_send_item (pl, op);
		1448	//TODO: update floorbox to preserve ordering
1345	if (pl->contr->ns)	1449	if (pl->contr->ns)
1346	pl->contr->ns->floorbox_update ();	1450	pl->contr->ns->floorbox_update ();
1347		1451
1348	/* If this object glows, it may affect lighting conditions that are	1452	/* If this object glows, it may affect lighting conditions that are
1349	* visible to others on this map. But update_all_los is really	1453	* visible to others on this map. But update_all_los is really
1350	* an inefficient way to do this, as it means los for all players	1454	* an inefficient way to do this, as it means los for all players
1351	* on the map will get recalculated. The players could very well	1455	* on the map will get recalculated. The players could very well
…		…
1370	* blocked() and wall() work properly), and these flags are updated by	1474	* blocked() and wall() work properly), and these flags are updated by
1371	* update_object().	1475	* update_object().
1372	*/	1476	*/
1373		1477
1374	/* if this is not the head or flag has been passed, don't check walk on status */	1478	/* if this is not the head or flag has been passed, don't check walk on status */
1375	if (!(flag & INS_NO_WALK_ON) && !op->head)	1479	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1376	{	1480	{
1377	if (check_move_on (op, originator))	1481	if (check_move_on (op, originator))
1378	return 0;	1482	return 0;
1379		1483
1380	/* If we are a multi part object, lets work our way through the check	1484	/* If we are a multi part object, lets work our way through the check
1381	* walk on's.	1485	* walk on's.
1382	*/	1486	*/
1383	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1487	for (object *tmp = op->more; tmp; tmp = tmp->more)
1384	if (check_move_on (tmp, originator))	1488	if (check_move_on (tmp, originator))
1385	return 0;	1489	return 0;
1386	}	1490	}
1387		1491
1388	return op;	1492	return op;
…		…
1393	* op is the object to insert it under: supplies x and the map.	1497	* op is the object to insert it under: supplies x and the map.
1394	*/	1498	*/
1395	void	1499	void
1396	replace_insert_ob_in_map (const char *arch_string, object *op)	1500	replace_insert_ob_in_map (const char *arch_string, object *op)
1397	{	1501	{
1398	object *tmp, *tmp1;
1399
1400	/* first search for itself and remove any old instances */	1502	/* first search for itself and remove any old instances */
1401		1503
1402	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1504	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1403	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1505	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1404	tmp->destroy ();	1506	tmp->destroy (1);
1405		1507
1406	tmp1 = arch_to_object (archetype::find (arch_string));	1508	object *tmp = arch_to_object (archetype::find (arch_string));
1407		1509
1408	tmp1->x = op->x;	1510	tmp->x = op->x;
1409	tmp1->y = op->y;	1511	tmp->y = op->y;
		1512
1410	insert_ob_in_map (tmp1, op->map, op, 0);	1513	insert_ob_in_map (tmp, op->map, op, 0);
1411	}	1514	}
1412		1515
1413	object *	1516	object *
1414	object::insert_at (object *where, object *originator, int flags)	1517	object::insert_at (object *where, object *originator, int flags)
1415	{	1518	{
		1519	if (where->env)
		1520	return where->env->insert (this);
		1521	else
1416	where->map->insert (this, where->x, where->y, originator, flags);	1522	return where->map->insert (this, where->x, where->y, originator, flags);
1417	}	1523	}
1418		1524
1419	/*	1525	/*
1420	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1421	* is returned contains nr objects, and the remaining parts contains
1422	* the rest (or is removed and freed if that number is 0).
1423	* On failure, NULL is returned, and the reason put into the
1424	* global static errmsg array.
1425	*/
1426	object *
1427	get_split_ob (object *orig_ob, uint32 nr)
1428	{
1429	object *newob;
1430	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1431
1432	if (orig_ob->nrof < nr)
1433	{
1434	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1435	return NULL;
1436	}
1437
1438	newob = object_create_clone (orig_ob);
1439
1440	if ((orig_ob->nrof -= nr) < 1)
1441	orig_ob->destroy (1);
1442	else if (!is_removed)
1443	{
1444	if (orig_ob->env != NULL)
1445	sub_weight (orig_ob->env, orig_ob->weight * nr);
1446	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1447	{
1448	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1449	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1450	return NULL;
1451	}
1452	}
1453
1454	newob->nrof = nr;
1455
1456	return newob;
1457	}
1458
1459	/*
1460	* decrease_ob_nr(object, number) decreases a specified number from	1526	* decrease(object, number) decreases a specified number from
1461	* the amount of an object. If the amount reaches 0, the object	1527	* the amount of an object. If the amount reaches 0, the object
1462	* is subsequently removed and freed.	1528	* is subsequently removed and freed.
1463	*	1529	*
1464	* Return value: 'op' if something is left, NULL if the amount reached 0	1530	* Return value: 'op' if something is left, NULL if the amount reached 0
1465	*/	1531	*/
		1532	bool
		1533	object::decrease (sint32 nr)
		1534	{
		1535	if (!nr)
		1536	return true;
1466		1537
		1538	nr = min (nr, nrof);
		1539
		1540	nrof -= nr;
		1541
		1542	if (nrof)
		1543	{
		1544	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1545
		1546	if (object *pl = visible_to ())
		1547	esrv_update_item (UPD_NROF, pl, this);
		1548
		1549	return true;
		1550	}
		1551	else
		1552	{
		1553	destroy ();
		1554	return false;
		1555	}
		1556	}
		1557
		1558	/*
		1559	* split(ob,nr) splits up ob into two parts. The part which
		1560	* is returned contains nr objects, and the remaining parts contains
		1561	* the rest (or is removed and returned if that number is 0).
		1562	* On failure, NULL is returned.
		1563	*/
1467	object *	1564	object *
1468	decrease_ob_nr (object *op, uint32 i)	1565	object::split (sint32 nr)
1469	{	1566	{
1470	object *tmp;	1567	int have = number_of ();
1471		1568
1472	if (i == 0) /* objects with op->nrof require this check */	1569	if (have < nr)
1473	return op;	1570	return 0;
1474		1571	else if (have == nr)
1475	if (i > op->nrof)
1476	i = op->nrof;
1477
1478	if (QUERY_FLAG (op, FLAG_REMOVED))
1479	op->nrof -= i;
1480	else if (op->env)
1481	{	1572	{
1482	/* is this object in the players inventory, or sub container
1483	* therein?
1484	*/
1485	tmp = op->in_player ();
1486	/* nope. Is this a container the player has opened?
1487	* If so, set tmp to that player.
1488	* IMO, searching through all the players will mostly
1489	* likely be quicker than following op->env to the map,
1490	* and then searching the map for a player.
1491	*/
1492	if (!tmp)
1493	for_all_players (pl)
1494	if (pl->ob->container == op->env)
1495	{
1496	tmp = pl->ob;
1497	break;
1498	}
1499
1500	if (i < op->nrof)
1501	{
1502	sub_weight (op->env, op->weight * i);
1503	op->nrof -= i;
1504	if (tmp)
1505	esrv_send_item (tmp, op);
1506	}
1507	else
1508	{
1509	op->remove ();	1573	remove ();
1510	op->nrof = 0;	1574	return this;
1511	if (tmp)
1512	esrv_del_item (tmp->contr, op->count);
1513	}
1514	}	1575	}
1515	else	1576	else
1516	{	1577	{
1517	object *above = op->above;	1578	decrease (nr);
1518		1579
1519	if (i < op->nrof)	1580	object *op = deep_clone ();
1520	op->nrof -= i;	1581	op->nrof = nr;
1521	else
1522	{
1523	op->remove ();
1524	op->nrof = 0;
1525	}
1526
1527	/* Since we just removed op, op->above is null */
1528	for (tmp = above; tmp; tmp = tmp->above)
1529	if (tmp->type == PLAYER)
1530	{
1531	if (op->nrof)
1532	esrv_send_item (tmp, op);
1533	else
1534	esrv_del_item (tmp->contr, op->count);
1535	}
1536	}
1537
1538	if (op->nrof)
1539	return op;	1582	return op;
1540	else
1541	{
1542	op->destroy ();
1543	return 0;
1544	}
1545	}
1546
1547	/*
1548	* add_weight(object, weight) adds the specified weight to an object,
1549	* and also updates how much the environment(s) is/are carrying.
1550	*/
1551
1552	void
1553	add_weight (object *op, signed long weight)
1554	{
1555	while (op != NULL)
1556	{
1557	if (op->type == CONTAINER)
1558	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1559
1560	op->carrying += weight;
1561	op = op->env;
1562	}	1583	}
1563	}	1584	}
1564		1585
1565	object *	1586	object *
1566	insert_ob_in_ob (object *op, object *where)	1587	insert_ob_in_ob (object *op, object *where)
…		…
1571	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1592	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1572	free (dump);	1593	free (dump);
1573	return op;	1594	return op;
1574	}	1595	}
1575		1596
1576	if (where->head)	1597	if (where->head_ () != where)
1577	{	1598	{
1578	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1599	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1579	where = where->head;	1600	where = where->head;
1580	}	1601	}
1581		1602
1582	return where->insert (op);	1603	return where->insert (op);
1583	}	1604	}
…		…
1588	* inside the object environment.	1609	* inside the object environment.
1589	*	1610	*
1590	* The function returns now pointer to inserted item, and return value can	1611	* The function returns now pointer to inserted item, and return value can
1591	* be != op, if items are merged. -Tero	1612	* be != op, if items are merged. -Tero
1592	*/	1613	*/
1593
1594	object *	1614	object *
1595	object::insert (object *op)	1615	object::insert (object *op)
1596	{	1616	{
1597	object *tmp, *otmp;
1598
1599	if (!QUERY_FLAG (op, FLAG_REMOVED))
1600	op->remove ();
1601
1602	if (op->more)	1617	if (op->more)
1603	{	1618	{
1604	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1619	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1605	return op;	1620	return op;
1606	}	1621	}
1607		1622
1608	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1623	op->remove ();
1609	CLEAR_FLAG (op, FLAG_REMOVED);	1624
		1625	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1626
1610	if (op->nrof)	1627	if (op->nrof)
1611	{
1612	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1628	for (object *tmp = inv; tmp; tmp = tmp->below)
1613	if (object::can_merge (tmp, op))	1629	if (object::can_merge (tmp, op))
1614	{	1630	{
1615	/* return the original object and remove inserted object	1631	/* return the original object and remove inserted object
1616	(client needs the original object) */	1632	(client needs the original object) */
1617	tmp->nrof += op->nrof;	1633	tmp->nrof += op->nrof;
1618	/* Weight handling gets pretty funky. Since we are adding to	1634
1619	* tmp->nrof, we need to increase the weight.	1635	if (object *pl = tmp->visible_to ())
1620	*/	1636	esrv_update_item (UPD_NROF, pl, tmp);
		1637
1621	add_weight (this, op->weight * op->nrof);	1638	adjust_weight (this, op->total_weight ());
1622	SET_FLAG (op, FLAG_REMOVED);	1639
1623	op->destroy (); /* free the inserted object */	1640	op->destroy (1);
1624	op = tmp;	1641	op = tmp;
1625	op->remove (); /* and fix old object's links */	1642	goto inserted;
1626	CLEAR_FLAG (op, FLAG_REMOVED);
1627	break;
1628	}	1643	}
1629		1644
1630	/* I assume combined objects have no inventory	1645	op->owner = 0; // it's his/hers now. period.
1631	* We add the weight - this object could have just been removed
1632	* (if it was possible to merge). calling remove_ob will subtract
1633	* the weight, so we need to add it in again, since we actually do
1634	* the linking below
1635	*/
1636	add_weight (this, op->weight * op->nrof);
1637	}
1638	else
1639	add_weight (this, (op->weight + op->carrying));
1640
1641	otmp = this->in_player ();
1642	if (otmp && otmp->contr)
1643	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1644	otmp->update_stats ();
1645
1646	op->map = 0;	1646	op->map = 0;
1647	op->env = this;	1647	op->x = 0;
		1648	op->y = 0;
		1649
1648	op->above = 0;	1650	op->above = 0;
1649	op->below = 0;	1651	op->below = inv;
1650	op->x = 0, op->y = 0;	1652	op->env = this;
1651		1653
		1654	if (inv)
		1655	inv->above = op;
		1656
		1657	inv = op;
		1658
		1659	op->flag [FLAG_REMOVED] = 0;
		1660
		1661	if (object *pl = op->visible_to ())
		1662	esrv_send_item (pl, op);
		1663
		1664	adjust_weight (this, op->total_weight ());
		1665
		1666	inserted:
1652	/* reset the light list and los of the players on the map */	1667	/* reset the light list and los of the players on the map */
1653	if ((op->glow_radius != 0) && map)	1668	if (op->glow_radius && map && map->darkness)
1654	{
1655	#ifdef DEBUG_LIGHTS
1656	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1657	#endif /* DEBUG_LIGHTS */
1658	if (map->darkness)
1659	update_all_los (map, x, y);	1669	update_all_los (map, x, y);
1660	}
1661		1670
1662	/* Client has no idea of ordering so lets not bother ordering it here.	1671	// if this is a player's inventory, update stats
1663	* It sure simplifies this function...	1672	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1664	*/	1673	update_stats ();
1665	if (!inv)
1666	inv = op;
1667	else
1668	{
1669	op->below = inv;
1670	op->below->above = op;
1671	inv = op;
1672	}
1673		1674
1674	INVOKE_OBJECT (INSERT, this);	1675	INVOKE_OBJECT (INSERT, this);
1675		1676
1676	return op;	1677	return op;
1677	}	1678	}
…		…
1805	LOG (llevError, "Present_arch called outside map.\n");	1806	LOG (llevError, "Present_arch called outside map.\n");
1806	return NULL;	1807	return NULL;
1807	}	1808	}
1808		1809
1809	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1810	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1810	if (tmp->arch == at)	1811	if (tmp->arch->archname == at->archname)
1811	return tmp;	1812	return tmp;
1812		1813
1813	return NULL;	1814	return NULL;
1814	}	1815	}
1815		1816
…		…
1879	* The first matching object is returned, or NULL if none.	1880	* The first matching object is returned, or NULL if none.
1880	*/	1881	*/
1881	object *	1882	object *
1882	present_arch_in_ob (const archetype *at, const object *op)	1883	present_arch_in_ob (const archetype *at, const object *op)
1883	{	1884	{
1884	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1885	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1885	if (tmp->arch == at)	1886	if (tmp->arch->archname == at->archname)
1886	return tmp;	1887	return tmp;
1887		1888
1888	return NULL;	1889	return NULL;
1889	}	1890	}
1890		1891
…		…
1892	* activate recursively a flag on an object inventory	1893	* activate recursively a flag on an object inventory
1893	*/	1894	*/
1894	void	1895	void
1895	flag_inv (object *op, int flag)	1896	flag_inv (object *op, int flag)
1896	{	1897	{
1897	if (op->inv)
1898	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1898	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1899	{	1899	{
1900	SET_FLAG (tmp, flag);	1900	SET_FLAG (tmp, flag);
1901	flag_inv (tmp, flag);	1901	flag_inv (tmp, flag);
1902	}	1902	}
1903	}	1903	}
1904		1904
1905	/*	1905	/*
1906	* deactivate recursively a flag on an object inventory	1906	* deactivate recursively a flag on an object inventory
1907	*/	1907	*/
1908	void	1908	void
1909	unflag_inv (object *op, int flag)	1909	unflag_inv (object *op, int flag)
1910	{	1910	{
1911	if (op->inv)
1912	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1911	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1913	{	1912	{
1914	CLEAR_FLAG (tmp, flag);	1913	CLEAR_FLAG (tmp, flag);
1915	unflag_inv (tmp, flag);	1914	unflag_inv (tmp, flag);
1916	}	1915	}
1917	}
1918
1919	/*
1920	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1921	* all it's inventory (recursively).
1922	* If checksums are used, a player will get set_cheat called for
1923	* him/her-self and all object carried by a call to this function.
1924	*/
1925	void
1926	set_cheat (object *op)
1927	{
1928	SET_FLAG (op, FLAG_WAS_WIZ);
1929	flag_inv (op, FLAG_WAS_WIZ);
1930	}	1916	}
1931		1917
1932	/*	1918	/*
1933	* find_free_spot(object, map, x, y, start, stop) will search for	1919	* find_free_spot(object, map, x, y, start, stop) will search for
1934	* a spot at the given map and coordinates which will be able to contain	1920	* a spot at the given map and coordinates which will be able to contain
…		…
1936	* to search (see the freearr_x/y[] definition).	1922	* to search (see the freearr_x/y[] definition).
1937	* It returns a random choice among the alternatives found.	1923	* It returns a random choice among the alternatives found.
1938	* start and stop are where to start relative to the free_arr array (1,9	1924	* start and stop are where to start relative to the free_arr array (1,9
1939	* does all 4 immediate directions). This returns the index into the	1925	* does all 4 immediate directions). This returns the index into the
1940	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1926	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1941	* Note - this only checks to see if there is space for the head of the
1942	* object - if it is a multispace object, this should be called for all
1943	* pieces.
1944	* Note2: This function does correctly handle tiled maps, but does not	1927	* Note: This function does correctly handle tiled maps, but does not
1945	* inform the caller. However, insert_ob_in_map will update as	1928	* inform the caller. However, insert_ob_in_map will update as
1946	* necessary, so the caller shouldn't need to do any special work.	1929	* necessary, so the caller shouldn't need to do any special work.
1947	* Note - updated to take an object instead of archetype - this is necessary	1930	* Note - updated to take an object instead of archetype - this is necessary
1948	* because arch_blocked (now ob_blocked) needs to know the movement type	1931	* because arch_blocked (now ob_blocked) needs to know the movement type
1949	* to know if the space in question will block the object. We can't use	1932	* to know if the space in question will block the object. We can't use
…		…
1951	* customized, changed states, etc.	1934	* customized, changed states, etc.
1952	*/	1935	*/
1953	int	1936	int
1954	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1937	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1955	{	1938	{
		1939	int altern[SIZEOFFREE];
1956	int index = 0, flag;	1940	int index = 0, flag;
1957	int altern[SIZEOFFREE];
1958		1941
1959	for (int i = start; i < stop; i++)	1942	for (int i = start; i < stop; i++)
1960	{	1943	{
1961	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1944	mapxy pos (m, x, y); pos.move (i);
1962	if (!flag)	1945
		1946	if (!pos.normalise ())
		1947	continue;
		1948
		1949	mapspace &ms = *pos;
		1950
		1951	if (ms.flags () & P_IS_ALIVE)
		1952	continue;
		1953
		1954	/* However, often
		1955	* ob doesn't have any move type (when used to place exits)
		1956	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1957	*/
		1958	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1959	{
1963	altern [index++] = i;	1960	altern [index++] = i;
		1961	continue;
		1962	}
1964		1963
1965	/* Basically, if we find a wall on a space, we cut down the search size.	1964	/* Basically, if we find a wall on a space, we cut down the search size.
1966	* In this way, we won't return spaces that are on another side of a wall.	1965	* In this way, we won't return spaces that are on another side of a wall.
1967	* This mostly work, but it cuts down the search size in all directions -	1966	* This mostly work, but it cuts down the search size in all directions -
1968	* if the space being examined only has a wall to the north and empty	1967	* if the space being examined only has a wall to the north and empty
1969	* spaces in all the other directions, this will reduce the search space	1968	* spaces in all the other directions, this will reduce the search space
1970	* to only the spaces immediately surrounding the target area, and	1969	* to only the spaces immediately surrounding the target area, and
1971	* won't look 2 spaces south of the target space.	1970	* won't look 2 spaces south of the target space.
1972	*/	1971	*/
1973	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1972	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1973	{
1974	stop = maxfree[i];	1974	stop = maxfree[i];
		1975	continue;
		1976	}
		1977
		1978	/* Note it is intentional that we check ob - the movement type of the
		1979	* head of the object should correspond for the entire object.
		1980	*/
		1981	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1982	continue;
		1983
		1984	if (ob->blocked (m, pos.x, pos.y))
		1985	continue;
		1986
		1987	altern [index++] = i;
1975	}	1988	}
1976		1989
1977	if (!index)	1990	if (!index)
1978	return -1;	1991	return -1;
1979		1992
…		…
1988	*/	2001	*/
1989	int	2002	int
1990	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2003	find_first_free_spot (const object *ob, maptile *m, int x, int y)
1991	{	2004	{
1992	for (int i = 0; i < SIZEOFFREE; i++)	2005	for (int i = 0; i < SIZEOFFREE; i++)
1993	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2006	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
1994	return i;	2007	return i;
1995		2008
1996	return -1;	2009	return -1;
1997	}	2010	}
1998		2011
…		…
2052	object *tmp;	2065	object *tmp;
2053	maptile *mp;	2066	maptile *mp;
2054		2067
2055	MoveType blocked, move_type;	2068	MoveType blocked, move_type;
2056		2069
2057	if (exclude && exclude->head)	2070	if (exclude && exclude->head_ () != exclude)
2058	{	2071	{
2059	exclude = exclude->head;	2072	exclude = exclude->head;
2060	move_type = exclude->move_type;	2073	move_type = exclude->move_type;
2061	}	2074	}
2062	else	2075	else
…		…
2085	max = maxfree[i];	2098	max = maxfree[i];
2086	else if (mflags & P_IS_ALIVE)	2099	else if (mflags & P_IS_ALIVE)
2087	{	2100	{
2088	for (tmp = ms.bot; tmp; tmp = tmp->above)	2101	for (tmp = ms.bot; tmp; tmp = tmp->above)
2089	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2102	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2090	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2103	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2091	break;	2104	break;
2092		2105
2093	if (tmp)	2106	if (tmp)
2094	return freedir[i];	2107	return freedir[i];
2095	}	2108	}
…		…
2275	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2288	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2276	* core dumps if they do.	2289	* core dumps if they do.
2277	*	2290	*
2278	* Add a check so we can't pick up invisible objects (0.93.8)	2291	* Add a check so we can't pick up invisible objects (0.93.8)
2279	*/	2292	*/
2280
2281	int	2293	int
2282	can_pick (const object *who, const object *item)	2294	can_pick (const object *who, const object *item)
2283	{	2295	{
2284	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2296	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2285	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2297	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2288		2300
2289	/*	2301	/*
2290	* create clone from object to another	2302	* create clone from object to another
2291	*/	2303	*/
2292	object *	2304	object *
2293	object_create_clone (object *asrc)	2305	object::deep_clone ()
2294	{	2306	{
2295	object *dst = 0, *tmp, *src, *part, *prev, *item;	2307	assert (("deep_clone called on non-head object", is_head ()));
2296		2308
2297	if (!asrc)	2309	object *dst = clone ();
2298	return 0;
2299		2310
2300	src = asrc;	2311	object *prev = dst;
2301	if (src->head)
2302	src = src->head;
2303
2304	prev = 0;
2305	for (part = src; part; part = part->more)	2312	for (object *part = this->more; part; part = part->more)
2306	{	2313	{
2307	tmp = part->clone ();	2314	object *tmp = part->clone ();
2308	tmp->x -= src->x;
2309	tmp->y -= src->y;
2310
2311	if (!part->head)
2312	{
2313	dst = tmp;
2314	tmp->head = 0;
2315	}
2316	else
2317	tmp->head = dst;	2315	tmp->head = dst;
2318
2319	tmp->more = 0;
2320
2321	if (prev)
2322	prev->more = tmp;	2316	prev->more = tmp;
2323
2324	prev = tmp;	2317	prev = tmp;
2325	}	2318	}
2326		2319
2327	for (item = src->inv; item; item = item->below)	2320	for (object *item = inv; item; item = item->below)
2328	insert_ob_in_ob (object_create_clone (item), dst);	2321	insert_ob_in_ob (item->deep_clone (), dst);
2329		2322
2330	return dst;	2323	return dst;
2331	}
2332
2333	/* GROS - Creates an object using a string representing its content. */
2334	/* Basically, we save the content of the string to a temp file, then call */
2335	/* load_object on it. I admit it is a highly inefficient way to make things, */
2336	/* but it was simple to make and allows reusing the load_object function. */
2337	/* Remember not to use load_object_str in a time-critical situation. */
2338	/* Also remember that multiparts objects are not supported for now. */
2339	object *
2340	load_object_str (const char *obstr)
2341	{
2342	object *op;
2343	char filename[MAX_BUF];
2344
2345	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2346
2347	FILE *tempfile = fopen (filename, "w");
2348
2349	if (tempfile == NULL)
2350	{
2351	LOG (llevError, "Error - Unable to access load object temp file\n");
2352	return NULL;
2353	}
2354
2355	fprintf (tempfile, obstr);
2356	fclose (tempfile);
2357
2358	op = object::create ();
2359
2360	object_thawer thawer (filename);
2361
2362	if (thawer)
2363	load_object (thawer, op, 0);
2364
2365	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2366	CLEAR_FLAG (op, FLAG_REMOVED);
2367
2368	return op;
2369	}	2324	}
2370		2325
2371	/* This returns the first object in who's inventory that	2326	/* This returns the first object in who's inventory that
2372	* has the same type and subtype match.	2327	* has the same type and subtype match.
2373	* returns NULL if no match.	2328	* returns NULL if no match.
…		…
2380	return tmp;	2335	return tmp;
2381		2336
2382	return 0;	2337	return 0;
2383	}	2338	}
2384		2339
2385	/* If ob has a field named key, return the link from the list,	2340	const shstr &
2386	* otherwise return NULL.	2341	object::kv_get (const shstr &key) const
2387	*
2388	* key must be a passed in shared string - otherwise, this won't
2389	* do the desired thing.
2390	*/
2391	key_value *
2392	get_ob_key_link (const object *ob, const char *key)
2393	{	2342	{
2394	for (key_value *link = ob->key_values; link; link = link->next)	2343	for (key_value *kv = key_values; kv; kv = kv->next)
2395	if (link->key == key)	2344	if (kv->key == key)
2396	return link;
2397
2398	return 0;
2399	}
2400
2401	/*
2402	* Returns the value of op has an extra_field for key, or NULL.
2403	*
2404	* The argument doesn't need to be a shared string.
2405	*
2406	* The returned string is shared.
2407	*/
2408	const char *
2409	get_ob_key_value (const object *op, const char *const key)
2410	{
2411	key_value *link;
2412	shstr_cmp canonical_key (key);
2413
2414	if (!canonical_key)
2415	{
2416	/* 1. There being a field named key on any object
2417	* implies there'd be a shared string to find.
2418	* 2. Since there isn't, no object has this field.
2419	* 3. Therefore, *this* object doesn't have this field.
2420	*/
2421	return 0;
2422	}
2423
2424	/* This is copied from get_ob_key_link() above -
2425	* only 4 lines, and saves the function call overhead.
2426	*/
2427	for (link = op->key_values; link; link = link->next)
2428	if (link->key == canonical_key)
2429	return link->value;	2345	return kv->value;
2430		2346
2431	return 0;	2347	return shstr_null;
2432	}	2348	}
2433		2349
2434		2350	void
2435	/*	2351	object::kv_set (const shstr &key, const shstr &value)
2436	* Updates the canonical_key in op to value.
2437	*
2438	* canonical_key is a shared string (value doesn't have to be).
2439	*
2440	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2441	* keys.
2442	*
2443	* Returns TRUE on success.
2444	*/
2445	int
2446	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2447	{	2352	{
2448	key_value *field = NULL, *last = NULL;	2353	for (key_value *kv = key_values; kv; kv = kv->next)
2449		2354	if (kv->key == key)
2450	for (field = op->key_values; field != NULL; field = field->next)
2451	{
2452	if (field->key != canonical_key)
2453	{	2355	{
2454	last = field;	2356	kv->value = value;
2455	continue;	2357	return;
2456	}	2358	}
2457		2359
2458	if (value)	2360	key_value *kv = new key_value;
2459	field->value = value;	2361
2460	else	2362	kv->next = key_values;
		2363	kv->key = key;
		2364	kv->value = value;
		2365
		2366	key_values = kv;
		2367	}
		2368
		2369	void
		2370	object::kv_del (const shstr &key)
		2371	{
		2372	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2373	if ((*kvp)->key == key)
2461	{	2374	{
2462	/* Basically, if the archetype has this key set,	2375	key_value *kv = *kvp;
2463	* we need to store the null value so when we save	2376	*kvp = (*kvp)->next;
2464	* it, we save the empty value so that when we load,	2377	delete kv;
2465	* we get this value back again.	2378	return;
2466	*/
2467	if (get_ob_key_link (&op->arch->clone, canonical_key))
2468	field->value = 0;
2469	else
2470	{
2471	if (last)
2472	last->next = field->next;
2473	else
2474	op->key_values = field->next;
2475
2476	delete field;
2477	}
2478	}	2379	}
2479	return TRUE;
2480	}
2481	/* IF we get here, key doesn't exist */
2482
2483	/* No field, we'll have to add it. */
2484
2485	if (!add_key)
2486	return FALSE;
2487
2488	/* There isn't any good reason to store a null
2489	* value in the key/value list. If the archetype has
2490	* this key, then we should also have it, so shouldn't
2491	* be here. If user wants to store empty strings,
2492	* should pass in ""
2493	*/
2494	if (value == NULL)
2495	return TRUE;
2496
2497	field = new key_value;
2498
2499	field->key = canonical_key;
2500	field->value = value;
2501	/* Usual prepend-addition. */
2502	field->next = op->key_values;
2503	op->key_values = field;
2504
2505	return TRUE;
2506	}
2507
2508	/*
2509	* Updates the key in op to value.
2510	*
2511	* If add_key is FALSE, this will only update existing keys,
2512	* and not add new ones.
2513	* In general, should be little reason FALSE is ever passed in for add_key
2514	*
2515	* Returns TRUE on success.
2516	*/
2517	int
2518	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2519	{
2520	shstr key_ (key);
2521
2522	return set_ob_key_value_s (op, key_, value, add_key);
2523	}	2380	}
2524		2381
2525	object::depth_iterator::depth_iterator (object *container)	2382	object::depth_iterator::depth_iterator (object *container)
2526	: iterator_base (container)	2383	: iterator_base (container)
2527	{	2384	{
…		…
2540	item = item->inv;	2397	item = item->inv;
2541	}	2398	}
2542	else	2399	else
2543	item = item->env;	2400	item = item->env;
2544	}	2401	}
2545
2546		2402
2547	const char *	2403	const char *
2548	object::flag_desc (char *desc, int len) const	2404	object::flag_desc (char *desc, int len) const
2549	{	2405	{
2550	char *p = desc;	2406	char *p = desc;
…		…
2578	{	2434	{
2579	char flagdesc[512];	2435	char flagdesc[512];
2580	char info2[256 * 4];	2436	char info2[256 * 4];
2581	char *p = info;	2437	char *p = info;
2582		2438
2583	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2439	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2584	count, uuid.seq,	2440	count,
		2441	uuid.c_str (),
2585	&name,	2442	&name,
2586	title ? "\",title:\"" : "",	2443	title ? ",title:\"" : "",
2587	title ? (const char *)title : "",	2444	title ? (const char *)title : "",
		2445	title ? "\"" : "",
2588	flag_desc (flagdesc, 512), type);	2446	flag_desc (flagdesc, 512), type);
2589		2447
2590	if (env)	2448	if (!flag[FLAG_REMOVED] && env)
2591	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2449	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2592		2450
2593	if (map)	2451	if (map)
2594	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2452	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2595		2453
…		…
2597	}	2455	}
2598		2456
2599	const char *	2457	const char *
2600	object::debug_desc () const	2458	object::debug_desc () const
2601	{	2459	{
2602	static char info[256 * 4];	2460	static char info[3][256 * 4];
		2461	static int info_idx;
		2462
2603	return debug_desc (info);	2463	return debug_desc (info [++info_idx % 3]);
2604	}
2605
2606	const char *
2607	object::debug_desc2 () const
2608	{
2609	static char info[256 * 4];
2610	return debug_desc (info);
2611	}	2464	}
2612		2465
2613	struct region *	2466	struct region *
2614	object::region () const	2467	object::region () const
2615	{	2468	{
2616	return map ? map->region (x, y)	2469	return map ? map->region (x, y)
2617	: region::default_region ();	2470	: region::default_region ();
2618	}	2471	}
2619		2472
		2473	const materialtype_t *
		2474	object::dominant_material () const
		2475	{
		2476	if (materialtype_t *mt = name_to_material (materialname))
		2477	return mt;
		2478
		2479	return name_to_material (shstr_unknown);
		2480	}
		2481
		2482	void
		2483	object::open_container (object *new_container)
		2484	{
		2485	if (container == new_container)
		2486	return;
		2487
		2488	object *old_container = container;
		2489
		2490	if (old_container)
		2491	{
		2492	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2493	return;
		2494
		2495	#if 0
		2496	// remove the "Close old_container" object.
		2497	if (object *closer = old_container->inv)
		2498	if (closer->type == CLOSE_CON)
		2499	closer->destroy ();
		2500	#endif
		2501
		2502	// make sure the container is available
		2503	esrv_send_item (this, old_container);
		2504
		2505	old_container->flag [FLAG_APPLIED] = false;
		2506	container = 0;
		2507
		2508	// client needs item update to make it work, client bug requires this to be separate
		2509	esrv_update_item (UPD_FLAGS, this, old_container);
		2510
		2511	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2512	play_sound (sound_find ("chest_close"));
		2513	}
		2514
		2515	if (new_container)
		2516	{
		2517	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2518	return;
		2519
		2520	// TODO: this does not seem to serve any purpose anymore?
		2521	#if 0
		2522	// insert the "Close Container" object.
		2523	if (archetype *closer = new_container->other_arch)
		2524	{
		2525	object *closer = arch_to_object (new_container->other_arch);
		2526	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2527	new_container->insert (closer);
		2528	}
		2529	#endif
		2530
		2531	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2532
		2533	// make sure the container is available, client bug requires this to be separate
		2534	esrv_send_item (this, new_container);
		2535
		2536	new_container->flag [FLAG_APPLIED] = true;
		2537	container = new_container;
		2538
		2539	// client needs flag change
		2540	esrv_update_item (UPD_FLAGS, this, new_container);
		2541	esrv_send_inventory (this, new_container);
		2542	play_sound (sound_find ("chest_open"));
		2543	}
		2544	// else if (!old_container->env && contr && contr->ns)
		2545	// contr->ns->floorbox_reset ();
		2546	}
		2547
		2548	object *
		2549	object::force_find (const shstr name)
		2550	{
		2551	/* cycle through his inventory to look for the MARK we want to
		2552	* place
		2553	*/
		2554	for (object *tmp = inv; tmp; tmp = tmp->below)
		2555	if (tmp->type == FORCE && tmp->slaying == name)
		2556	return splay (tmp);
		2557
		2558	return 0;
		2559	}
		2560
		2561	void
		2562	object::force_add (const shstr name, int duration)
		2563	{
		2564	if (object *force = force_find (name))
		2565	force->destroy ();
		2566
		2567	object *force = get_archetype (FORCE_NAME);
		2568
		2569	force->slaying = name;
		2570	force->stats.food = 1;
		2571	force->speed_left = -1.f;
		2572
		2573	force->set_speed (duration ? 1.f / duration : 0.f);
		2574	force->flag [FLAG_IS_USED_UP] = true;
		2575	force->flag [FLAG_APPLIED] = true;
		2576
		2577	insert (force);
		2578	}
		2579
		2580	void
		2581	object::play_sound (faceidx sound)
		2582	{
		2583	if (!sound)
		2584	return;
		2585
		2586	if (flag [FLAG_REMOVED])
		2587	return;
		2588
		2589	if (env)
		2590	{
		2591	if (object *pl = in_player ())
		2592	pl->contr->play_sound (sound);
		2593	}
		2594	else
		2595	map->play_sound (sound, x, y);
		2596	}
		2597

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