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Comparing deliantra/server/common/object.C (file contents):
Revision 1.144 by root, Thu May 3 10:39:46 2007 UTC vs.
Revision 1.253 by root, Sun Aug 17 22:46:26 2008 UTC

1	/*	1	/*
2	* CrossFire, A Multiplayer game	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; 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		409
334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	410	sum += op->total_weight ();
		411	}
		412
		413	sum = weight_adjust_for (this, sum);
		414
		415	if (sum != carrying)
335	}	416	{
336
337	if (op->type == CONTAINER && op->stats.Str)
338	sum = (sum * (100 - op->stats.Str)) / 100;
339
340	if (op->carrying != sum)
341	op->carrying = sum;	417	carrying = sum;
342		418
343	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	}
344	}	423	}
345		424
346	/**	425	/*
347	* Return the outermost environment object for a given object.	426	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
348	*/
349
350	object *
351	object_get_env_recursive (object *op)
352	{
353	while (op->env != NULL)
354	op = op->env;
355	return op;
356	}
357
358	/*
359	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
360	* Some error messages.
361	* The result of the dump is stored in the static global errmsg array.
362	*/	427	*/
363	char *	428	char *
364	dump_object (object *op)	429	dump_object (object *op)
365	{	430	{
366	if (!op)	431	if (!op)
…		…
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;
452	}	514	}
453		515
454	void	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
455	object::set_weapon (object *ob)	534	object::change_weapon (object *ob)
456	{	535	{
457	if (current_weapon == ob)	536	if (current_weapon == ob)
458	return;	537	return true;
		538
		539	if (chosen_skill)
		540	chosen_skill->flag [FLAG_APPLIED] = false;
459		541
460	current_weapon = ob;	542	current_weapon = ob;
461	new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);	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
462	update_stats ();	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;
463	}	580	}
464		581
465	/* Zero the key_values on op, decrementing the shared-string	582	/* Zero the key_values on op, decrementing the shared-string
466	* refcounts and freeing the links.	583	* refcounts and freeing the links.
467	*/	584	*/
…		…
477	}	594	}
478		595
479	op->key_values = 0;	596	op->key_values = 0;
480	}	597	}
481		598
482	object &	599	/*
483	object::operator =(const object &src)	600	* copy_to first frees everything allocated by the dst object,
		601	* and then copies the contents of itself into the second
		602	* object, allocating what needs to be allocated. Basically, any
		603	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		604	* if the first object is freed, the pointers in the new object
		605	* will point at garbage.
		606	*/
		607	void
		608	object::copy_to (object *dst)
484	{	609	{
485	bool is_freed = flag [FLAG_FREED];	610	dst->remove ();
486	bool is_removed = flag [FLAG_REMOVED];
487
488	*(object_copy *)this = src;	611	*(object_copy *)dst = *this;
489
490	flag [FLAG_FREED] = is_freed;
491	flag [FLAG_REMOVED] = is_removed;	612	dst->flag [FLAG_REMOVED] = true;
492		613
493	/* Copy over key_values, if any. */	614	/* Copy over key_values, if any. */
494	if (src.key_values)	615	if (key_values)
495	{	616	{
496	key_value *tail = 0;	617	key_value *tail = 0;
497	key_values = 0;	618	dst->key_values = 0;
498		619
499	for (key_value *i = src.key_values; i; i = i->next)	620	for (key_value *i = key_values; i; i = i->next)
500	{	621	{
501	key_value *new_link = new key_value;	622	key_value *new_link = new key_value;
502		623
503	new_link->next = 0;	624	new_link->next = 0;
504	new_link->key = i->key;	625	new_link->key = i->key;
505	new_link->value = i->value;	626	new_link->value = i->value;
506		627
507	/* Try and be clever here, too. */	628	/* Try and be clever here, too. */
508	if (!key_values)	629	if (!dst->key_values)
509	{	630	{
510	key_values = new_link;	631	dst->key_values = new_link;
511	tail = new_link;	632	tail = new_link;
512	}	633	}
513	else	634	else
514	{	635	{
515	tail->next = new_link;	636	tail->next = new_link;
516	tail = new_link;	637	tail = new_link;
517	}	638	}
518	}	639	}
519	}	640	}
520	}
521
522	/*
523	* copy_to first frees everything allocated by the dst object,
524	* and then copies the contents of itself into the second
525	* object, allocating what needs to be allocated. Basically, any
526	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
527	* if the first object is freed, the pointers in the new object
528	* will point at garbage.
529	*/
530	void
531	object::copy_to (object *dst)
532	{
533	*dst = *this;
534		641
535	if (speed < 0)	642	if (speed < 0)
536	dst->speed_left = speed_left - rndm ();	643	dst->speed_left -= rndm ();
537		644
538	dst->set_speed (dst->speed);	645	dst->set_speed (dst->speed);
539	}	646	}
540		647
541	void	648	void
542	object::instantiate ()	649	object::instantiate ()
543	{	650	{
544	if (!uuid.seq) // HACK	651	if (!uuid.seq) // HACK
545	uuid = gen_uuid ();	652	uuid = UUID::gen ();
546		653
547	speed_left = -0.1f;	654	speed_left = -0.1f;
548	/* copy the body_info to the body_used - this is only really	655	/* copy the body_info to the body_used - this is only really
549	* need for monsters, but doesn't hurt to do it for everything.	656	* need for monsters, but doesn't hurt to do it for everything.
550	* by doing so, when a monster is created, it has good starting	657	* by doing so, when a monster is created, it has good starting
551	* values for the body_used info, so when items are created	658	* values for the body_used info, so when items are created
552	* for it, they can be properly equipped.	659	* for it, they can be properly equipped.
553	*/	660	*/
554	memcpy (body_used, body_info, sizeof (body_used));	661	for (int i = NUM_BODY_LOCATIONS; i--; )
		662	slot[i].used = slot[i].info;
555		663
556	attachable::instantiate ();	664	attachable::instantiate ();
557	}	665	}
558		666
559	object *	667	object *
560	object::clone ()	668	object::clone ()
561	{	669	{
562	object *neu = create ();	670	object *neu = create ();
563	copy_to (neu);	671	copy_to (neu);
		672	neu->map = map; // not copied by copy_to
564	return neu;	673	return neu;
565	}	674	}
566		675
567	/*	676	/*
568	* 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
…		…
619	* UP_OBJ_FACE: only the objects face has changed.	728	* UP_OBJ_FACE: only the objects face has changed.
620	*/	729	*/
621	void	730	void
622	update_object (object *op, int action)	731	update_object (object *op, int action)
623	{	732	{
624	if (op == NULL)	733	if (!op)
625	{	734	{
626	/* this should never happen */	735	/* this should never happen */
627	LOG (llevDebug, "update_object() called for NULL object.\n");	736	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
628	return;	737	return;
629	}	738	}
630		739
631	if (op->env)	740	if (!op->is_on_map ())
632	{	741	{
633	/* Animation is currently handled by client, so nothing	742	/* Animation is currently handled by client, so nothing
634	* to do in this case.	743	* to do in this case.
635	*/	744	*/
636	return;	745	return;
637	}	746	}
638
639	/* If the map is saving, don't do anything as everything is
640	* going to get freed anyways.
641	*/
642	if (!op->map || op->map->in_memory == MAP_SAVING)
643	return;
644		747
645	/* make sure the object is within map boundaries */	748	/* make sure the object is within map boundaries */
646	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)
647	{	750	{
648	LOG (llevError, "update_object() called for object out of map!\n");	751	LOG (llevError, "update_object() called for object out of map!\n");
…		…
667	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	770	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
668	|| (m.move_on | op->move_on ) != m.move_on	771	|| (m.move_on | op->move_on ) != m.move_on
669	|| (m.move_off | op->move_off ) != m.move_off	772	|| (m.move_off | op->move_off ) != m.move_off
670	|| (m.move_slow | op->move_slow) != m.move_slow	773	|| (m.move_slow | op->move_slow) != m.move_slow
671	/* This isn't perfect, but I don't expect a lot of objects to	774	/* This isn't perfect, but I don't expect a lot of objects to
672	* to have move_allow right now.	775	* have move_allow right now.
673	*/	776	*/
674	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	777	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
675	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	778	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
676	m.flags_ = 0;	779	m.flags_ = 0;
677	}	780	}
…		…
708	static int object_count;	811	static int object_count;
709		812
710	void object::link ()	813	void object::link ()
711	{	814	{
712	assert (!index);//D	815	assert (!index);//D
713	uuid = gen_uuid ();	816	uuid = UUID::gen ();
714	count = ++object_count;	817	count = ++object_count;
715		818
716	refcnt_inc ();	819	refcnt_inc ();
717	objects.insert (this);	820	objects.insert (this);
718	}	821	}
…		…
791	object::destroy_inv (bool drop_to_ground)	894	object::destroy_inv (bool drop_to_ground)
792	{	895	{
793	// need to check first, because the checks below might segfault	896	// need to check first, because the checks below might segfault
794	// as we might be on an invalid mapspace and crossfire code	897	// as we might be on an invalid mapspace and crossfire code
795	// is too buggy to ensure that the inventory is empty.	898	// is too buggy to ensure that the inventory is empty.
796	// corollary: if you create arrows etc. with stuff in tis inventory,	899	// corollary: if you create arrows etc. with stuff in its inventory,
797	// cf will crash below with off-map x and y	900	// cf will crash below with off-map x and y
798	if (!inv)	901	if (!inv)
799	return;	902	return;
800		903
801	/* Only if the space blocks everything do we not process -	904	/* Only if the space blocks everything do we not process -
802	* if some form of movement is allowed, let objects	905	* if some form of movement is allowed, let objects
803	* drop on that space.	906	* drop on that space.
804	*/	907	*/
805	if (!drop_to_ground	908	if (!drop_to_ground
806	|| !map	909	|| !map
807	|| map->in_memory != MAP_IN_MEMORY	910	|| map->in_memory != MAP_ACTIVE
808	|| map->nodrop	911	|| map->no_drop
809	|| ms ().move_block == MOVE_ALL)	912	|| ms ().move_block == MOVE_ALL)
810	{	913	{
811	while (inv)	914	while (inv)
812	{
813	inv->destroy_inv (drop_to_ground);
814	inv->destroy ();	915	inv->destroy (true);
815	}
816	}	916	}
817	else	917	else
818	{ /* Put objects in inventory onto this space */	918	{ /* Put objects in inventory onto this space */
819	while (inv)	919	while (inv)
820	{	920	{
…		…
824	|| op->flag [FLAG_NO_DROP]	924	|| op->flag [FLAG_NO_DROP]
825	|| op->type == RUNE	925	|| op->type == RUNE
826	|| op->type == TRAP	926	|| op->type == TRAP
827	|| op->flag [FLAG_IS_A_TEMPLATE]	927	|| op->flag [FLAG_IS_A_TEMPLATE]
828	|| op->flag [FLAG_DESTROY_ON_DEATH])	928	|| op->flag [FLAG_DESTROY_ON_DEATH])
829	op->destroy ();	929	op->destroy (true);
830	else	930	else
831	map->insert (op, x, y);	931	map->insert (op, x, y);
832	}	932	}
833	}	933	}
834	}	934	}
…		…
838	object *op = new object;	938	object *op = new object;
839	op->link ();	939	op->link ();
840	return op;	940	return op;
841	}	941	}
842		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
843	void	964	void
844	object::do_destroy ()	965	object::do_destroy ()
845	{	966	{
846	attachable::do_destroy ();
847
848	if (flag [FLAG_IS_LINKED])	967	if (flag [FLAG_IS_LINKED])
849	remove_button_link (this);	968	remove_button_link (this);
850		969
851	if (flag [FLAG_FRIENDLY])	970	if (flag [FLAG_FRIENDLY])
852	remove_friendly_object (this);	971	remove_friendly_object (this);
853		972
854	if (!flag [FLAG_REMOVED])
855	remove ();	973	remove ();
856		974
857	destroy_inv (true);	975	attachable::do_destroy ();
858		976
859	deactivate ();	977	deactivate ();
860	unlink ();	978	unlink ();
861		979
862	flag [FLAG_FREED] = 1;	980	flag [FLAG_FREED] = 1;
863		981
864	// hack to ensure that freed objects still have a valid map	982	// hack to ensure that freed objects still have a valid map
865	{
866	static maptile *freed_map; // freed objects are moved here to avoid crashes
867
868	if (!freed_map)
869	{
870	freed_map = new maptile;
871
872	freed_map->name = "/internal/freed_objects_map";
873	freed_map->width = 3;
874	freed_map->height = 3;
875
876	freed_map->alloc ();
877	freed_map->in_memory = MAP_IN_MEMORY;
878	}
879
880	map = freed_map;	983	map = &freed_map;
881	x = 1;	984	x = 1;
882	y = 1;	985	y = 1;
883	}
884
885	head = 0;
886		986
887	if (more)	987	if (more)
888	{	988	{
889	more->destroy ();	989	more->destroy ();
890	more = 0;	990	more = 0;
891	}	991	}
892		992
		993	head = 0;
		994
893	// clear those pointers that likely might have circular references to us	995	// clear those pointers that likely might cause circular references
894	owner = 0;	996	owner = 0;
895	enemy = 0;	997	enemy = 0;
896	attacked_by = 0;	998	attacked_by = 0;
		999	current_weapon = 0;
897	}	1000	}
898		1001
899	void	1002	void
900	object::destroy (bool destroy_inventory)	1003	object::destroy (bool destroy_inventory)
901	{	1004	{
902	if (destroyed ())	1005	if (destroyed ())
903	return;	1006	return;
904		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
905	if (destroy_inventory)	1015	destroy_inv (!destroy_inventory);
906	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
907		1022
908	attachable::destroy ();	1023	attachable::destroy ();
909	}
910
911	/*
912	* sub_weight() recursively (outwards) subtracts a number from the
913	* weight of an object (and what is carried by it's environment(s)).
914	*/
915	void
916	sub_weight (object *op, signed long weight)
917	{
918	while (op != NULL)
919	{
920	if (op->type == CONTAINER)
921	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
922
923	op->carrying -= weight;
924	op = op->env;
925	}
926	}	1024	}
927		1025
928	/* op->remove ():	1026	/* op->remove ():
929	* 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
930	* 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
…		…
936	object::do_remove ()	1034	object::do_remove ()
937	{	1035	{
938	object *tmp, *last = 0;	1036	object *tmp, *last = 0;
939	object *otmp;	1037	object *otmp;
940		1038
941	if (QUERY_FLAG (this, FLAG_REMOVED))	1039	if (flag [FLAG_REMOVED])
942	return;	1040	return;
943		1041
944	SET_FLAG (this, FLAG_REMOVED);
945	INVOKE_OBJECT (REMOVE, this);	1042	INVOKE_OBJECT (REMOVE, this);
		1043
		1044	flag [FLAG_REMOVED] = true;
946		1045
947	if (more)	1046	if (more)
948	more->remove ();	1047	more->remove ();
949		1048
950	/*	1049	/*
951	* In this case, the object to be removed is in someones	1050	* In this case, the object to be removed is in someones
952	* inventory.	1051	* inventory.
953	*/	1052	*/
954	if (env)	1053	if (env)
955	{	1054	{
956	if (nrof)	1055	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
957	sub_weight (env, weight * nrof);	1056	if (object *pl = visible_to ())
958	else	1057	esrv_del_item (pl->contr, count);
959	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;
960		1077
961	/* 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
962	* made to players inventory. If set, avoiding the call	1079	* made to players inventory. If set, avoiding the call
963	* to save cpu time.	1080	* to save cpu time.
964	*/	1081	*/
965	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))
966	otmp->update_stats ();	1083	otmp->update_stats ();
967
968	if (above)
969	above->below = below;
970	else
971	env->inv = below;
972
973	if (below)
974	below->above = above;
975
976	/* we set up values so that it could be inserted into
977	* the map, but we don't actually do that - it is up
978	* to the caller to decide what we want to do.
979	*/
980	x = env->x, y = env->y;
981	map = env->map;
982	above = 0, below = 0;
983	env = 0;
984	}	1084	}
985	else if (map)	1085	else if (map)
986	{	1086	{
987	if (type == PLAYER)
988	{
989	// leaving a spot always closes any open container on the ground
990	if (container && !container->env)
991	// this causes spurious floorbox updates, but it ensures
992	// that the CLOSE event is being sent.
993	close_container ();
994
995	--map->players;
996	map->touch ();
997	}
998
999	map->dirty = true;	1087	map->dirty = true;
1000	mapspace &ms = this->ms ();	1088	mapspace &ms = this->ms ();
1001		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
1002	/* link the object above us */	1112	/* link the object above us */
1003	if (above)	1113	// re-link, make sure compiler can easily use cmove
1004	above->below = below;	1114	*(above ? &above->below : &ms.top) = below;
1005	else	1115	*(below ? &below->above : &ms.bot) = above;
1006	ms.top = below; /* we were top, set new top */
1007
1008	/* Relink the object below us, if there is one */
1009	if (below)
1010	below->above = above;
1011	else
1012	{
1013	/* Nothing below, which means we need to relink map object for this space
1014	* use translated coordinates in case some oddness with map tiling is
1015	* evident
1016	*/
1017	if (GET_MAP_OB (map, x, y) != this)
1018	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 ());
1019
1020	ms.bot = above; /* goes on above it. */
1021	}
1022		1116
1023	above = 0;	1117	above = 0;
1024	below = 0;	1118	below = 0;
1025		1119
		1120	ms.flags_ = 0;
		1121
1026	if (map->in_memory == MAP_SAVING)	1122	if (map->in_memory == MAP_SAVING)
1027	return;	1123	return;
1028		1124
1029	int check_walk_off = !flag [FLAG_NO_APPLY];	1125	int check_walk_off = !flag [FLAG_NO_APPLY];
		1126
		1127	if (object *pl = ms.player ())
		1128	{
		1129	if (pl->container == this)
		1130	/* If a container that the player is currently using somehow gets
		1131	* removed (most likely destroyed), update the player view
		1132	* appropriately.
		1133	*/
		1134	pl->close_container ();
		1135
		1136	//TODO: the floorbox prev/next might need updating
		1137	//esrv_del_item (pl->contr, count);
		1138	//TODO: update floorbox to preserve ordering
		1139	if (pl->contr->ns)
		1140	pl->contr->ns->floorbox_update ();
		1141	}
1030		1142
1031	for (tmp = ms.bot; tmp; tmp = tmp->above)	1143	for (tmp = ms.bot; tmp; tmp = tmp->above)
1032	{	1144	{
1033	/* No point updating the players look faces if he is the object	1145	/* No point updating the players look faces if he is the object
1034	* being removed.	1146	* being removed.
1035	*/	1147	*/
1036
1037	if (tmp->type == PLAYER && tmp != this)
1038	{
1039	/* If a container that the player is currently using somehow gets
1040	* removed (most likely destroyed), update the player view
1041	* appropriately.
1042	*/
1043	if (tmp->container == this)
1044	{
1045	flag [FLAG_APPLIED] = 0;
1046	tmp->container = 0;
1047	}
1048
1049	if (tmp->contr->ns)
1050	tmp->contr->ns->floorbox_update ();
1051	}
1052		1148
1053	/* See if object moving off should effect something */	1149	/* See if object moving off should effect something */
1054	if (check_walk_off	1150	if (check_walk_off
1055	&& ((move_type & tmp->move_off)	1151	&& ((move_type & tmp->move_off)
1056	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1152	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1059		1155
1060	if (destroyed ())	1156	if (destroyed ())
1061	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1157	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1062	}	1158	}
1063		1159
1064	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1065	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1066	if (tmp->above == tmp)
1067	tmp->above = 0;
1068
1069	last = tmp;	1160	last = tmp;
1070	}	1161	}
1071
1072	/* last == NULL if there are no objects on this space */
1073	//TODO: this makes little sense, why only update the topmost object?
1074	if (!last)
1075	map->at (x, y).flags_ = 0;
1076	else
1077	update_object (last, UP_OBJ_REMOVE);
1078		1162
1079	if (flag [FLAG_BLOCKSVIEW] || glow_radius)	1163	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1080	update_all_los (map, x, y);	1164	update_all_los (map, x, y);
1081	}	1165	}
1082	}	1166	}
…		…
1093	merge_ob (object *op, object *top)	1177	merge_ob (object *op, object *top)
1094	{	1178	{
1095	if (!op->nrof)	1179	if (!op->nrof)
1096	return 0;	1180	return 0;
1097		1181
1098	if (top)	1182	if (!top)
1099	for (top = op; top && top->above; top = top->above)	1183	for (top = op; top && top->above; top = top->above)
1100	;	1184	;
1101		1185
1102	for (; top; top = top->below)	1186	for (; top; top = top->below)
1103	{
1104	if (top == op)
1105	continue;
1106
1107	if (object::can_merge (op, top))	1187	if (object::can_merge (op, top))
1108	{	1188	{
1109	top->nrof += op->nrof;	1189	top->nrof += op->nrof;
1110		1190
1111	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1191	if (object *pl = top->visible_to ())
1112	op->weight = 0; /* Don't want any adjustements now */	1192	esrv_update_item (UPD_NROF, pl, top);
		1193
		1194	op->weight = 0; // cancel the addition above
		1195	op->carrying = 0; // must be 0 already
		1196
1113	op->destroy ();	1197	op->destroy (1);
		1198
1114	return top;	1199	return top;
1115	}	1200	}
1116	}
1117		1201
1118	return 0;	1202	return 0;
1119	}	1203	}
1120		1204
1121	void	1205	void
…		…
1124	if (more)	1208	if (more)
1125	return;	1209	return;
1126		1210
1127	object *prev = this;	1211	object *prev = this;
1128		1212
1129	for (archetype *at = arch->more; at; at = at->more)	1213	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1130	{	1214	{
1131	object *op = arch_to_object (at);	1215	object *op = arch_to_object (at);
1132		1216
1133	op->name = name;	1217	op->name = name;
1134	op->name_pl = name_pl;	1218	op->name_pl = name_pl;
…		…
1146	* job preparing multi-part monsters.	1230	* job preparing multi-part monsters.
1147	*/	1231	*/
1148	object *	1232	object *
1149	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1233	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1150	{	1234	{
		1235	op->remove ();
		1236
1151	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1237	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1152	{	1238	{
1153	tmp->x = x + tmp->arch->clone.x;	1239	tmp->x = x + tmp->arch->x;
1154	tmp->y = y + tmp->arch->clone.y;	1240	tmp->y = y + tmp->arch->y;
1155	}	1241	}
1156		1242
1157	return insert_ob_in_map (op, m, originator, flag);	1243	return insert_ob_in_map (op, m, originator, flag);
1158	}	1244	}
1159		1245
…		…
1178	* just 'op' otherwise	1264	* just 'op' otherwise
1179	*/	1265	*/
1180	object *	1266	object *
1181	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1267	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1182	{	1268	{
1183	assert (!op->flag [FLAG_FREED]);	1269	if (op->is_on_map ())
1184
1185	object *tmp, *top, *floor = NULL;
1186
1187	op->remove ();
1188
1189	#if 0
1190	if (!m->active != !op->active)
1191	if (m->active)
1192	op->activate_recursive ();
1193	else
1194	op->deactivate_recursive ();
1195	#endif
1196
1197	if (out_of_map (m, op->x, op->y))
1198	{	1270	{
1199	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());	1271	LOG (llevError, "insert_ob_in_map called for object already on map");
1200	#ifdef MANY_CORES
1201	/* Better to catch this here, as otherwise the next use of this object
1202	* is likely to cause a crash. Better to find out where it is getting
1203	* improperly inserted.
1204	*/
1205	abort ();	1272	abort ();
1206	#endif
1207	return op;
1208	}
1209
1210	if (object *more = op->more)
1211	{	1273	}
1212	if (!insert_ob_in_map (more, m, originator, flag))
1213	{
1214	if (!op->head)
1215	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1216		1274
1217	return 0;	1275	if (op->env)
1218	}
1219	}	1276	{
		1277	LOG (llevError, "insert_ob_in_map called for object in an inventory (proceeding)");
		1278	op->remove ();
		1279	}
1220		1280
1221	CLEAR_FLAG (op, FLAG_REMOVED);	1281	if (op->face && !face_info (op->face))//D TODO: remove soon
		1282	{//D
		1283	LOG (llevError | logBacktrace, "op->face out of bounds: %s", op->debug_desc ());//D
		1284	op->face = 1;//D
		1285	}//D
1222		1286
1223	/* Ideally, the caller figures this out. However, it complicates a lot	1287	/* Ideally, the caller figures this out. However, it complicates a lot
1224	* of areas of callers (eg, anything that uses find_free_spot would now	1288	* of areas of callers (eg, anything that uses find_free_spot would now
1225	* need extra work	1289	* need extra work
1226	*/	1290	*/
1227	if (!xy_normalise (m, op->x, op->y))	1291	if (!xy_normalise (m, op->x, op->y))
		1292	{
		1293	op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found
1228	return 0;	1294	return 0;
		1295	}
		1296
		1297	if (object *more = op->more)
		1298	if (!insert_ob_in_map (more, m, originator, flag))
		1299	return 0;
		1300
		1301	CLEAR_FLAG (op, FLAG_REMOVED);
1229		1302
1230	op->map = m;	1303	op->map = m;
1231	mapspace &ms = op->ms ();	1304	mapspace &ms = op->ms ();
1232		1305
1233	/* this has to be done after we translate the coordinates.	1306	/* this has to be done after we translate the coordinates.
1234	*/	1307	*/
1235	if (op->nrof && !(flag & INS_NO_MERGE))	1308	if (op->nrof && !(flag & INS_NO_MERGE))
1236	for (tmp = ms.bot; tmp; tmp = tmp->above)	1309	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1237	if (object::can_merge (op, tmp))	1310	if (object::can_merge (op, tmp))
1238	{	1311	{
		1312	// TODO: we actually want to update tmp, not op,
		1313	// but some caller surely breaks when we return tmp
		1314	// from here :/
1239	op->nrof += tmp->nrof;	1315	op->nrof += tmp->nrof;
1240	tmp->destroy ();	1316	tmp->destroy (1);
1241	}	1317	}
1242		1318
1243	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1319	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1244	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1320	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1245		1321
…		…
1252	{	1328	{
1253	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1329	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1254	abort ();	1330	abort ();
1255	}	1331	}
1256		1332
		1333	if (!originator->is_on_map ())
		1334	LOG (llevDebug | logBacktrace, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1335	op->debug_desc (), originator->debug_desc ());
		1336
1257	op->above = originator;	1337	op->above = originator;
1258	op->below = originator->below;	1338	op->below = originator->below;
1259
1260	if (op->below)
1261	op->below->above = op;
1262	else
1263	ms.bot = op;
1264
1265	/* since *below* originator, no need to update top */
1266	originator->below = op;	1339	originator->below = op;
		1340
		1341	*(op->below ? &op->below->above : &ms.bot) = op;
1267	}	1342	}
1268	else	1343	else
1269	{	1344	{
1270	top = ms.bot;	1345	object *floor = 0;
		1346	object *top = ms.top;
1271		1347
1272	/* If there are other objects, then */	1348	/* If there are other objects, then */
1273	if ((!(flag & INS_MAP_LOAD)) && top)	1349	if (top)
1274	{	1350	{
1275	object *last = 0;
1276
1277	/*	1351	/*
1278	* If there are multiple objects on this space, we do some trickier handling.	1352	* If there are multiple objects on this space, we do some trickier handling.
1279	* We've already dealt with merging if appropriate.	1353	* We've already dealt with merging if appropriate.
1280	* Generally, we want to put the new object on top. But if	1354	* Generally, we want to put the new object on top. But if
1281	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1355	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1284	* once we get to them. This reduces the need to traverse over all of	1358	* once we get to them. This reduces the need to traverse over all of
1285	* them when adding another one - this saves quite a bit of cpu time	1359	* them when adding another one - this saves quite a bit of cpu time
1286	* when lots of spells are cast in one area. Currently, it is presumed	1360	* when lots of spells are cast in one area. Currently, it is presumed
1287	* that flying non pickable objects are spell objects.	1361	* that flying non pickable objects are spell objects.
1288	*/	1362	*/
1289	for (top = ms.bot; top; top = top->above)	1363	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1290	{	1364	{
1291	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1365	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1292	floor = top;	1366	floor = tmp;
1293		1367
1294	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1368	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1295	{	1369	{
1296	/* We insert above top, so we want this object below this */	1370	/* We insert above top, so we want this object below this */
1297	top = top->below;	1371	top = tmp->below;
1298	break;	1372	break;
1299	}	1373	}
1300		1374
1301	last = top;	1375	top = tmp;
1302	}	1376	}
1303
1304	/* Don't want top to be NULL, so set it to the last valid object */
1305	top = last;
1306		1377
1307	/* We let update_position deal with figuring out what the space	1378	/* We let update_position deal with figuring out what the space
1308	* looks like instead of lots of conditions here.	1379	* looks like instead of lots of conditions here.
1309	* makes things faster, and effectively the same result.	1380	* makes things faster, and effectively the same result.
1310	*/	1381	*/
…		…
1317	*/	1388	*/
1318	if (!(flag & INS_ON_TOP)	1389	if (!(flag & INS_ON_TOP)
1319	&& ms.flags () & P_BLOCKSVIEW	1390	&& ms.flags () & P_BLOCKSVIEW
1320	&& (op->face && !faces [op->face].visibility))	1391	&& (op->face && !faces [op->face].visibility))
1321	{	1392	{
		1393	object *last;
		1394
1322	for (last = top; last != floor; last = last->below)	1395	for (last = top; last != floor; last = last->below)
1323	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1396	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1324	break;	1397	break;
1325		1398
1326	/* Check to see if we found the object that blocks view,	1399	/* Check to see if we found the object that blocks view,
…		…
1331	if (last && last->below && last != floor)	1404	if (last && last->below && last != floor)
1332	top = last->below;	1405	top = last->below;
1333	}	1406	}
1334	} /* If objects on this space */	1407	} /* If objects on this space */
1335		1408
1336	if (flag & INS_MAP_LOAD)
1337	top = ms.top;
1338
1339	if (flag & INS_ABOVE_FLOOR_ONLY)	1409	if (flag & INS_ABOVE_FLOOR_ONLY)
1340	top = floor;	1410	top = floor;
1341		1411
1342	/* Top is the object that our object (op) is going to get inserted above.	1412	// insert object above top, or bottom-most if top = 0
1343	*/
1344
1345	/* First object on this space */
1346	if (!top)	1413	if (!top)
1347	{	1414	{
		1415	op->below = 0;
1348	op->above = ms.bot;	1416	op->above = ms.bot;
1349
1350	if (op->above)
1351	op->above->below = op;
1352
1353	op->below = 0;
1354	ms.bot = op;	1417	ms.bot = op;
		1418
		1419	*(op->above ? &op->above->below : &ms.top) = op;
1355	}	1420	}
1356	else	1421	else
1357	{ /* get inserted into the stack above top */	1422	{
1358	op->above = top->above;	1423	op->above = top->above;
1359
1360	if (op->above)
1361	op->above->below = op;	1424	top->above = op;
1362		1425
1363	op->below = top;	1426	op->below = top;
1364	top->above = op;	1427	*(op->above ? &op->above->below : &ms.top) = op;
1365	}	1428	}
1366		1429	}
1367	if (!op->above)
1368	ms.top = op;
1369	} /* else not INS_BELOW_ORIGINATOR */
1370		1430
1371	if (op->type == PLAYER)	1431	if (op->type == PLAYER)
1372	{	1432	{
1373	op->contr->do_los = 1;	1433	op->contr->do_los = 1;
1374	++op->map->players;	1434	++op->map->players;
1375	op->map->touch ();	1435	op->map->touch ();
1376	}	1436	}
1377		1437
1378	op->map->dirty = true;	1438	op->map->dirty = true;
1379		1439
1380	/* If we have a floor, we know the player, if any, will be above
1381	* it, so save a few ticks and start from there.
1382	*/
1383	if (!(flag & INS_MAP_LOAD))
1384	if (object *pl = ms.player ())	1440	if (object *pl = ms.player ())
		1441	//TODO: the floorbox prev/next might need updating
		1442	//esrv_send_item (pl, op);
		1443	//TODO: update floorbox to preserve ordering
1385	if (pl->contr->ns)	1444	if (pl->contr->ns)
1386	pl->contr->ns->floorbox_update ();	1445	pl->contr->ns->floorbox_update ();
1387		1446
1388	/* If this object glows, it may affect lighting conditions that are	1447	/* If this object glows, it may affect lighting conditions that are
1389	* visible to others on this map. But update_all_los is really	1448	* visible to others on this map. But update_all_los is really
1390	* an inefficient way to do this, as it means los for all players	1449	* an inefficient way to do this, as it means los for all players
1391	* on the map will get recalculated. The players could very well	1450	* on the map will get recalculated. The players could very well
…		…
1410	* blocked() and wall() work properly), and these flags are updated by	1469	* blocked() and wall() work properly), and these flags are updated by
1411	* update_object().	1470	* update_object().
1412	*/	1471	*/
1413		1472
1414	/* if this is not the head or flag has been passed, don't check walk on status */	1473	/* if this is not the head or flag has been passed, don't check walk on status */
1415	if (!(flag & INS_NO_WALK_ON) && !op->head)	1474	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1416	{	1475	{
1417	if (check_move_on (op, originator))	1476	if (check_move_on (op, originator))
1418	return 0;	1477	return 0;
1419		1478
1420	/* If we are a multi part object, lets work our way through the check	1479	/* If we are a multi part object, lets work our way through the check
1421	* walk on's.	1480	* walk on's.
1422	*/	1481	*/
1423	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1482	for (object *tmp = op->more; tmp; tmp = tmp->more)
1424	if (check_move_on (tmp, originator))	1483	if (check_move_on (tmp, originator))
1425	return 0;	1484	return 0;
1426	}	1485	}
1427		1486
1428	return op;	1487	return op;
…		…
1433	* op is the object to insert it under: supplies x and the map.	1492	* op is the object to insert it under: supplies x and the map.
1434	*/	1493	*/
1435	void	1494	void
1436	replace_insert_ob_in_map (const char *arch_string, object *op)	1495	replace_insert_ob_in_map (const char *arch_string, object *op)
1437	{	1496	{
1438	object *tmp, *tmp1;
1439
1440	/* first search for itself and remove any old instances */	1497	/* first search for itself and remove any old instances */
1441		1498
1442	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1499	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1443	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1500	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1444	tmp->destroy ();	1501	tmp->destroy (1);
1445		1502
1446	tmp1 = arch_to_object (archetype::find (arch_string));	1503	object *tmp = arch_to_object (archetype::find (arch_string));
1447		1504
1448	tmp1->x = op->x;	1505	tmp->x = op->x;
1449	tmp1->y = op->y;	1506	tmp->y = op->y;
		1507
1450	insert_ob_in_map (tmp1, op->map, op, 0);	1508	insert_ob_in_map (tmp, op->map, op, 0);
1451	}	1509	}
1452		1510
1453	object *	1511	object *
1454	object::insert_at (object *where, object *originator, int flags)	1512	object::insert_at (object *where, object *originator, int flags)
1455	{	1513	{
		1514	if (where->env)
		1515	return where->env->insert (this);
		1516	else
1456	return where->map->insert (this, where->x, where->y, originator, flags);	1517	return where->map->insert (this, where->x, where->y, originator, flags);
1457	}	1518	}
1458		1519
1459	/*	1520	/*
1460	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1461	* is returned contains nr objects, and the remaining parts contains
1462	* the rest (or is removed and freed if that number is 0).
1463	* On failure, NULL is returned, and the reason put into the
1464	* global static errmsg array.
1465	*/
1466	object *
1467	get_split_ob (object *orig_ob, uint32 nr)
1468	{
1469	object *newob;
1470	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1471
1472	if (orig_ob->nrof < nr)
1473	{
1474	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1475	return NULL;
1476	}
1477
1478	newob = object_create_clone (orig_ob);
1479
1480	if ((orig_ob->nrof -= nr) < 1)
1481	orig_ob->destroy (1);
1482	else if (!is_removed)
1483	{
1484	if (orig_ob->env != NULL)
1485	sub_weight (orig_ob->env, orig_ob->weight * nr);
1486	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1487	{
1488	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1489	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1490	return NULL;
1491	}
1492	}
1493
1494	newob->nrof = nr;
1495
1496	return newob;
1497	}
1498
1499	/*
1500	* decrease_ob_nr(object, number) decreases a specified number from	1521	* decrease(object, number) decreases a specified number from
1501	* the amount of an object. If the amount reaches 0, the object	1522	* the amount of an object. If the amount reaches 0, the object
1502	* is subsequently removed and freed.	1523	* is subsequently removed and freed.
1503	*	1524	*
1504	* Return value: 'op' if something is left, NULL if the amount reached 0	1525	* Return value: 'op' if something is left, NULL if the amount reached 0
1505	*/	1526	*/
		1527	bool
		1528	object::decrease (sint32 nr)
		1529	{
		1530	if (!nr)
		1531	return true;
		1532
		1533	nr = min (nr, nrof);
		1534
		1535	if (nrof > nr)
		1536	{
		1537	nrof -= nr;
		1538	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1539
		1540	if (object *pl = visible_to ())
		1541	esrv_update_item (UPD_NROF, pl, this);
		1542
		1543	return true;
		1544	}
		1545	else
		1546	{
		1547	destroy ();
		1548	return false;
		1549	}
		1550	}
		1551
		1552	/*
		1553	* split(ob,nr) splits up ob into two parts. The part which
		1554	* is returned contains nr objects, and the remaining parts contains
		1555	* the rest (or is removed and returned if that number is 0).
		1556	* On failure, NULL is returned.
		1557	*/
1506	object *	1558	object *
1507	decrease_ob_nr (object *op, uint32 i)	1559	object::split (sint32 nr)
1508	{	1560	{
1509	object *tmp;	1561	int have = number_of ();
1510		1562
1511	if (i == 0) /* objects with op->nrof require this check */	1563	if (have < nr)
1512	return op;	1564	return 0;
1513		1565	else if (have == nr)
1514	if (i > op->nrof)
1515	i = op->nrof;
1516
1517	if (QUERY_FLAG (op, FLAG_REMOVED))
1518	op->nrof -= i;
1519	else if (op->env)
1520	{	1566	{
1521	/* is this object in the players inventory, or sub container
1522	* therein?
1523	*/
1524	tmp = op->in_player ();
1525	/* nope. Is this a container the player has opened?
1526	* If so, set tmp to that player.
1527	* IMO, searching through all the players will mostly
1528	* likely be quicker than following op->env to the map,
1529	* and then searching the map for a player.
1530	*/
1531	if (!tmp)
1532	for_all_players (pl)
1533	if (pl->ob->container == op->env)
1534	{
1535	tmp = pl->ob;
1536	break;
1537	}
1538
1539	if (i < op->nrof)
1540	{
1541	sub_weight (op->env, op->weight * i);
1542	op->nrof -= i;
1543	if (tmp)
1544	esrv_send_item (tmp, op);
1545	}
1546	else
1547	{
1548	op->remove ();	1567	remove ();
1549	op->nrof = 0;	1568	return this;
1550	if (tmp)
1551	esrv_del_item (tmp->contr, op->count);
1552	}
1553	}	1569	}
1554	else	1570	else
1555	{	1571	{
1556	object *above = op->above;	1572	decrease (nr);
1557		1573
1558	if (i < op->nrof)	1574	object *op = deep_clone ();
1559	op->nrof -= i;	1575	op->nrof = nr;
1560	else
1561	{
1562	op->remove ();
1563	op->nrof = 0;
1564	}
1565
1566	/* Since we just removed op, op->above is null */
1567	for (tmp = above; tmp; tmp = tmp->above)
1568	if (tmp->type == PLAYER)
1569	{
1570	if (op->nrof)
1571	esrv_send_item (tmp, op);
1572	else
1573	esrv_del_item (tmp->contr, op->count);
1574	}
1575	}
1576
1577	if (op->nrof)
1578	return op;	1576	return op;
1579	else
1580	{
1581	op->destroy ();
1582	return 0;
1583	}
1584	}
1585
1586	/*
1587	* add_weight(object, weight) adds the specified weight to an object,
1588	* and also updates how much the environment(s) is/are carrying.
1589	*/
1590	void
1591	add_weight (object *op, signed long weight)
1592	{
1593	while (op != NULL)
1594	{
1595	if (op->type == CONTAINER)
1596	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1597
1598	op->carrying += weight;
1599	op = op->env;
1600	}	1577	}
1601	}	1578	}
1602		1579
1603	object *	1580	object *
1604	insert_ob_in_ob (object *op, object *where)	1581	insert_ob_in_ob (object *op, object *where)
…		…
1609	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1586	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1610	free (dump);	1587	free (dump);
1611	return op;	1588	return op;
1612	}	1589	}
1613		1590
1614	if (where->head)	1591	if (where->head_ () != where)
1615	{	1592	{
1616	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1593	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1617	where = where->head;	1594	where = where->head;
1618	}	1595	}
1619		1596
1620	return where->insert (op);	1597	return where->insert (op);
1621	}	1598	}
…		…
1629	* be != op, if items are merged. -Tero	1606	* be != op, if items are merged. -Tero
1630	*/	1607	*/
1631	object *	1608	object *
1632	object::insert (object *op)	1609	object::insert (object *op)
1633	{	1610	{
1634	object *tmp, *otmp;
1635
1636	if (!QUERY_FLAG (op, FLAG_REMOVED))
1637	op->remove ();
1638
1639	if (op->more)	1611	if (op->more)
1640	{	1612	{
1641	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1613	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1642	return op;	1614	return op;
1643	}	1615	}
1644		1616
1645	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1617	op->remove ();
1646	CLEAR_FLAG (op, FLAG_REMOVED);	1618
		1619	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1620
1647	if (op->nrof)	1621	if (op->nrof)
1648	{
1649	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1622	for (object *tmp = inv; tmp; tmp = tmp->below)
1650	if (object::can_merge (tmp, op))	1623	if (object::can_merge (tmp, op))
1651	{	1624	{
1652	/* return the original object and remove inserted object	1625	/* return the original object and remove inserted object
1653	(client needs the original object) */	1626	(client needs the original object) */
1654	tmp->nrof += op->nrof;	1627	tmp->nrof += op->nrof;
1655	/* Weight handling gets pretty funky. Since we are adding to	1628
1656	* tmp->nrof, we need to increase the weight.	1629	if (object *pl = tmp->visible_to ())
1657	*/	1630	esrv_update_item (UPD_NROF, pl, tmp);
		1631
1658	add_weight (this, op->weight * op->nrof);	1632	adjust_weight (this, op->total_weight ());
1659	SET_FLAG (op, FLAG_REMOVED);	1633
1660	op->destroy (); /* free the inserted object */	1634	op->destroy (1);
1661	op = tmp;	1635	op = tmp;
1662	op->remove (); /* and fix old object's links */	1636	goto inserted;
1663	CLEAR_FLAG (op, FLAG_REMOVED);
1664	break;
1665	}	1637	}
1666		1638
1667	/* I assume combined objects have no inventory	1639	op->owner = 0; // it's his/hers now. period.
1668	* We add the weight - this object could have just been removed
1669	* (if it was possible to merge). calling remove_ob will subtract
1670	* the weight, so we need to add it in again, since we actually do
1671	* the linking below
1672	*/
1673	add_weight (this, op->weight * op->nrof);
1674	}
1675	else
1676	add_weight (this, (op->weight + op->carrying));
1677
1678	otmp = this->in_player ();
1679	if (otmp && otmp->contr)
1680	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1681	otmp->update_stats ();
1682
1683	op->map = 0;	1640	op->map = 0;
1684	op->env = this;	1641	op->x = 0;
		1642	op->y = 0;
		1643
1685	op->above = 0;	1644	op->above = 0;
1686	op->below = 0;	1645	op->below = inv;
1687	op->x = 0, op->y = 0;	1646	op->env = this;
1688		1647
		1648	if (inv)
		1649	inv->above = op;
		1650
		1651	inv = op;
		1652
		1653	op->flag [FLAG_REMOVED] = 0;
		1654
		1655	if (object *pl = op->visible_to ())
		1656	esrv_send_item (pl, op);
		1657
		1658	adjust_weight (this, op->total_weight ());
		1659
		1660	inserted:
1689	/* reset the light list and los of the players on the map */	1661	/* reset the light list and los of the players on the map */
1690	if ((op->glow_radius != 0) && map)	1662	if (op->glow_radius && map && map->darkness)
1691	{
1692	#ifdef DEBUG_LIGHTS
1693	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1694	#endif /* DEBUG_LIGHTS */
1695	if (map->darkness)
1696	update_all_los (map, x, y);	1663	update_all_los (map, x, y);
1697	}
1698		1664
1699	/* Client has no idea of ordering so lets not bother ordering it here.	1665	// if this is a player's inventory, update stats
1700	* It sure simplifies this function...	1666	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1701	*/	1667	update_stats ();
1702	if (!inv)
1703	inv = op;
1704	else
1705	{
1706	op->below = inv;
1707	op->below->above = op;
1708	inv = op;
1709	}
1710		1668
1711	INVOKE_OBJECT (INSERT, this);	1669	INVOKE_OBJECT (INSERT, this);
1712		1670
1713	return op;	1671	return op;
1714	}	1672	}
…		…
1842	LOG (llevError, "Present_arch called outside map.\n");	1800	LOG (llevError, "Present_arch called outside map.\n");
1843	return NULL;	1801	return NULL;
1844	}	1802	}
1845		1803
1846	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1804	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1847	if (tmp->arch == at)	1805	if (tmp->arch->archname == at->archname)
1848	return tmp;	1806	return tmp;
1849		1807
1850	return NULL;	1808	return NULL;
1851	}	1809	}
1852		1810
…		…
1916	* The first matching object is returned, or NULL if none.	1874	* The first matching object is returned, or NULL if none.
1917	*/	1875	*/
1918	object *	1876	object *
1919	present_arch_in_ob (const archetype *at, const object *op)	1877	present_arch_in_ob (const archetype *at, const object *op)
1920	{	1878	{
1921	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1879	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1922	if (tmp->arch == at)	1880	if (tmp->arch->archname == at->archname)
1923	return tmp;	1881	return tmp;
1924		1882
1925	return NULL;	1883	return NULL;
1926	}	1884	}
1927		1885
…		…
1929	* activate recursively a flag on an object inventory	1887	* activate recursively a flag on an object inventory
1930	*/	1888	*/
1931	void	1889	void
1932	flag_inv (object *op, int flag)	1890	flag_inv (object *op, int flag)
1933	{	1891	{
1934	if (op->inv)
1935	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1892	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1936	{	1893	{
1937	SET_FLAG (tmp, flag);	1894	SET_FLAG (tmp, flag);
1938	flag_inv (tmp, flag);	1895	flag_inv (tmp, flag);
1939	}	1896	}
1940	}	1897	}
1941		1898
1942	/*	1899	/*
1943	* deactivate recursively a flag on an object inventory	1900	* deactivate recursively a flag on an object inventory
1944	*/	1901	*/
1945	void	1902	void
1946	unflag_inv (object *op, int flag)	1903	unflag_inv (object *op, int flag)
1947	{	1904	{
1948	if (op->inv)
1949	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1905	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1950	{	1906	{
1951	CLEAR_FLAG (tmp, flag);	1907	CLEAR_FLAG (tmp, flag);
1952	unflag_inv (tmp, flag);	1908	unflag_inv (tmp, flag);
1953	}	1909	}
1954	}
1955
1956	/*
1957	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1958	* all it's inventory (recursively).
1959	* If checksums are used, a player will get set_cheat called for
1960	* him/her-self and all object carried by a call to this function.
1961	*/
1962	void
1963	set_cheat (object *op)
1964	{
1965	SET_FLAG (op, FLAG_WAS_WIZ);
1966	flag_inv (op, FLAG_WAS_WIZ);
1967	}	1910	}
1968		1911
1969	/*	1912	/*
1970	* find_free_spot(object, map, x, y, start, stop) will search for	1913	* find_free_spot(object, map, x, y, start, stop) will search for
1971	* a spot at the given map and coordinates which will be able to contain	1914	* a spot at the given map and coordinates which will be able to contain
…		…
1973	* to search (see the freearr_x/y[] definition).	1916	* to search (see the freearr_x/y[] definition).
1974	* It returns a random choice among the alternatives found.	1917	* It returns a random choice among the alternatives found.
1975	* start and stop are where to start relative to the free_arr array (1,9	1918	* start and stop are where to start relative to the free_arr array (1,9
1976	* does all 4 immediate directions). This returns the index into the	1919	* does all 4 immediate directions). This returns the index into the
1977	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1920	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1978	* Note - this only checks to see if there is space for the head of the
1979	* object - if it is a multispace object, this should be called for all
1980	* pieces.
1981	* Note2: This function does correctly handle tiled maps, but does not	1921	* Note: This function does correctly handle tiled maps, but does not
1982	* inform the caller. However, insert_ob_in_map will update as	1922	* inform the caller. However, insert_ob_in_map will update as
1983	* necessary, so the caller shouldn't need to do any special work.	1923	* necessary, so the caller shouldn't need to do any special work.
1984	* Note - updated to take an object instead of archetype - this is necessary	1924	* Note - updated to take an object instead of archetype - this is necessary
1985	* because arch_blocked (now ob_blocked) needs to know the movement type	1925	* because arch_blocked (now ob_blocked) needs to know the movement type
1986	* to know if the space in question will block the object. We can't use	1926	* to know if the space in question will block the object. We can't use
…		…
1988	* customized, changed states, etc.	1928	* customized, changed states, etc.
1989	*/	1929	*/
1990	int	1930	int
1991	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1931	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1992	{	1932	{
		1933	int altern[SIZEOFFREE];
1993	int index = 0, flag;	1934	int index = 0, flag;
1994	int altern[SIZEOFFREE];
1995		1935
1996	for (int i = start; i < stop; i++)	1936	for (int i = start; i < stop; i++)
1997	{	1937	{
1998	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1938	mapxy pos (m, x, y); pos.move (i);
1999	if (!flag)	1939
		1940	if (!pos.normalise ())
		1941	continue;
		1942
		1943	mapspace &ms = *pos;
		1944
		1945	if (ms.flags () & P_IS_ALIVE)
		1946	continue;
		1947
		1948	/* However, often
		1949	* ob doesn't have any move type (when used to place exits)
		1950	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1951	*/
		1952	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1953	{
2000	altern [index++] = i;	1954	altern [index++] = i;
		1955	continue;
		1956	}
2001		1957
2002	/* Basically, if we find a wall on a space, we cut down the search size.	1958	/* Basically, if we find a wall on a space, we cut down the search size.
2003	* In this way, we won't return spaces that are on another side of a wall.	1959	* In this way, we won't return spaces that are on another side of a wall.
2004	* This mostly work, but it cuts down the search size in all directions -	1960	* This mostly work, but it cuts down the search size in all directions -
2005	* if the space being examined only has a wall to the north and empty	1961	* if the space being examined only has a wall to the north and empty
2006	* spaces in all the other directions, this will reduce the search space	1962	* spaces in all the other directions, this will reduce the search space
2007	* to only the spaces immediately surrounding the target area, and	1963	* to only the spaces immediately surrounding the target area, and
2008	* won't look 2 spaces south of the target space.	1964	* won't look 2 spaces south of the target space.
2009	*/	1965	*/
2010	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1966	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1967	{
2011	stop = maxfree[i];	1968	stop = maxfree[i];
		1969	continue;
		1970	}
		1971
		1972	/* Note it is intentional that we check ob - the movement type of the
		1973	* head of the object should correspond for the entire object.
		1974	*/
		1975	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1976	continue;
		1977
		1978	if (ob->blocked (m, pos.x, pos.y))
		1979	continue;
		1980
		1981	altern [index++] = i;
2012	}	1982	}
2013		1983
2014	if (!index)	1984	if (!index)
2015	return -1;	1985	return -1;
2016		1986
…		…
2025	*/	1995	*/
2026	int	1996	int
2027	find_first_free_spot (const object *ob, maptile *m, int x, int y)	1997	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2028	{	1998	{
2029	for (int i = 0; i < SIZEOFFREE; i++)	1999	for (int i = 0; i < SIZEOFFREE; i++)
2030	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2000	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2031	return i;	2001	return i;
2032		2002
2033	return -1;	2003	return -1;
2034	}	2004	}
2035		2005
…		…
2089	object *tmp;	2059	object *tmp;
2090	maptile *mp;	2060	maptile *mp;
2091		2061
2092	MoveType blocked, move_type;	2062	MoveType blocked, move_type;
2093		2063
2094	if (exclude && exclude->head)	2064	if (exclude && exclude->head_ () != exclude)
2095	{	2065	{
2096	exclude = exclude->head;	2066	exclude = exclude->head;
2097	move_type = exclude->move_type;	2067	move_type = exclude->move_type;
2098	}	2068	}
2099	else	2069	else
…		…
2122	max = maxfree[i];	2092	max = maxfree[i];
2123	else if (mflags & P_IS_ALIVE)	2093	else if (mflags & P_IS_ALIVE)
2124	{	2094	{
2125	for (tmp = ms.bot; tmp; tmp = tmp->above)	2095	for (tmp = ms.bot; tmp; tmp = tmp->above)
2126	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2096	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2127	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2097	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2128	break;	2098	break;
2129		2099
2130	if (tmp)	2100	if (tmp)
2131	return freedir[i];	2101	return freedir[i];
2132	}	2102	}
…		…
2312	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2282	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2313	* core dumps if they do.	2283	* core dumps if they do.
2314	*	2284	*
2315	* Add a check so we can't pick up invisible objects (0.93.8)	2285	* Add a check so we can't pick up invisible objects (0.93.8)
2316	*/	2286	*/
2317
2318	int	2287	int
2319	can_pick (const object *who, const object *item)	2288	can_pick (const object *who, const object *item)
2320	{	2289	{
2321	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2290	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2322	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2291	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2325		2294
2326	/*	2295	/*
2327	* create clone from object to another	2296	* create clone from object to another
2328	*/	2297	*/
2329	object *	2298	object *
2330	object_create_clone (object *asrc)	2299	object::deep_clone ()
2331	{	2300	{
2332	object *dst = 0, *tmp, *src, *part, *prev, *item;	2301	assert (("deep_clone called on non-head object", is_head ()));
2333		2302
2334	if (!asrc)	2303	object *dst = clone ();
2335	return 0;
2336		2304
2337	src = asrc;	2305	object *prev = dst;
2338	if (src->head)
2339	src = src->head;
2340
2341	prev = 0;
2342	for (part = src; part; part = part->more)	2306	for (object *part = this->more; part; part = part->more)
2343	{	2307	{
2344	tmp = part->clone ();	2308	object *tmp = part->clone ();
2345	tmp->x -= src->x;
2346	tmp->y -= src->y;
2347
2348	if (!part->head)
2349	{
2350	dst = tmp;
2351	tmp->head = 0;
2352	}
2353	else
2354	tmp->head = dst;	2309	tmp->head = dst;
2355
2356	tmp->more = 0;
2357
2358	if (prev)
2359	prev->more = tmp;	2310	prev->more = tmp;
2360
2361	prev = tmp;	2311	prev = tmp;
2362	}	2312	}
2363		2313
2364	for (item = src->inv; item; item = item->below)	2314	for (object *item = inv; item; item = item->below)
2365	insert_ob_in_ob (object_create_clone (item), dst);	2315	insert_ob_in_ob (item->deep_clone (), dst);
2366		2316
2367	return dst;	2317	return dst;
2368	}	2318	}
2369		2319
2370	/* This returns the first object in who's inventory that	2320	/* This returns the first object in who's inventory that
…		…
2379	return tmp;	2329	return tmp;
2380		2330
2381	return 0;	2331	return 0;
2382	}	2332	}
2383		2333
2384	/* If ob has a field named key, return the link from the list,	2334	const shstr &
2385	* otherwise return NULL.	2335	object::kv_get (const shstr &key) const
2386	*
2387	* key must be a passed in shared string - otherwise, this won't
2388	* do the desired thing.
2389	*/
2390	key_value *
2391	get_ob_key_link (const object *ob, const char *key)
2392	{	2336	{
2393	for (key_value *link = ob->key_values; link; link = link->next)	2337	for (key_value *kv = key_values; kv; kv = kv->next)
2394	if (link->key == key)	2338	if (kv->key == key)
2395	return link;
2396
2397	return 0;
2398	}
2399
2400	/*
2401	* Returns the value of op has an extra_field for key, or NULL.
2402	*
2403	* The argument doesn't need to be a shared string.
2404	*
2405	* The returned string is shared.
2406	*/
2407	const char *
2408	get_ob_key_value (const object *op, const char *const key)
2409	{
2410	key_value *link;
2411	shstr_cmp canonical_key (key);
2412
2413	if (!canonical_key)
2414	{
2415	/* 1. There being a field named key on any object
2416	* implies there'd be a shared string to find.
2417	* 2. Since there isn't, no object has this field.
2418	* 3. Therefore, *this* object doesn't have this field.
2419	*/
2420	return 0;
2421	}
2422
2423	/* This is copied from get_ob_key_link() above -
2424	* only 4 lines, and saves the function call overhead.
2425	*/
2426	for (link = op->key_values; link; link = link->next)
2427	if (link->key == canonical_key)
2428	return link->value;	2339	return kv->value;
2429		2340
2430	return 0;	2341	return shstr_null;
2431	}	2342	}
2432		2343
2433	/*	2344	void
2434	* Updates the canonical_key in op to value.	2345	object::kv_set (const shstr &key, const shstr &value)
2435	*
2436	* canonical_key is a shared string (value doesn't have to be).
2437	*
2438	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2439	* keys.
2440	*
2441	* Returns TRUE on success.
2442	*/
2443	int
2444	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2445	{	2346	{
2446	key_value *field = NULL, *last = NULL;	2347	for (key_value *kv = key_values; kv; kv = kv->next)
2447		2348	if (kv->key == key)
2448	for (field = op->key_values; field != NULL; field = field->next)
2449	{
2450	if (field->key != canonical_key)
2451	{	2349	{
2452	last = field;	2350	kv->value = value;
2453	continue;	2351	return;
2454	}	2352	}
2455		2353
2456	if (value)	2354	key_value *kv = new key_value;
2457	field->value = value;	2355
2458	else	2356	kv->next = key_values;
		2357	kv->key = key;
		2358	kv->value = value;
		2359
		2360	key_values = kv;
		2361	}
		2362
		2363	void
		2364	object::kv_del (const shstr &key)
		2365	{
		2366	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2367	if ((*kvp)->key == key)
2459	{	2368	{
2460	/* Basically, if the archetype has this key set,	2369	key_value *kv = *kvp;
2461	* we need to store the null value so when we save	2370	*kvp = (*kvp)->next;
2462	* it, we save the empty value so that when we load,	2371	delete kv;
2463	* we get this value back again.	2372	return;
2464	*/
2465	if (get_ob_key_link (&op->arch->clone, canonical_key))
2466	field->value = 0;
2467	else
2468	{
2469	if (last)
2470	last->next = field->next;
2471	else
2472	op->key_values = field->next;
2473
2474	delete field;
2475	}
2476	}	2373	}
2477	return TRUE;
2478	}
2479	/* IF we get here, key doesn't exist */
2480
2481	/* No field, we'll have to add it. */
2482
2483	if (!add_key)
2484	return FALSE;
2485
2486	/* There isn't any good reason to store a null
2487	* value in the key/value list. If the archetype has
2488	* this key, then we should also have it, so shouldn't
2489	* be here. If user wants to store empty strings,
2490	* should pass in ""
2491	*/
2492	if (value == NULL)
2493	return TRUE;
2494
2495	field = new key_value;
2496
2497	field->key = canonical_key;
2498	field->value = value;
2499	/* Usual prepend-addition. */
2500	field->next = op->key_values;
2501	op->key_values = field;
2502
2503	return TRUE;
2504	}
2505
2506	/*
2507	* Updates the key in op to value.
2508	*
2509	* If add_key is FALSE, this will only update existing keys,
2510	* and not add new ones.
2511	* In general, should be little reason FALSE is ever passed in for add_key
2512	*
2513	* Returns TRUE on success.
2514	*/
2515	int
2516	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2517	{
2518	shstr key_ (key);
2519
2520	return set_ob_key_value_s (op, key_, value, add_key);
2521	}	2374	}
2522		2375
2523	object::depth_iterator::depth_iterator (object *container)	2376	object::depth_iterator::depth_iterator (object *container)
2524	: iterator_base (container)	2377	: iterator_base (container)
2525	{	2378	{
…		…
2538	item = item->inv;	2391	item = item->inv;
2539	}	2392	}
2540	else	2393	else
2541	item = item->env;	2394	item = item->env;
2542	}	2395	}
2543
2544		2396
2545	const char *	2397	const char *
2546	object::flag_desc (char *desc, int len) const	2398	object::flag_desc (char *desc, int len) const
2547	{	2399	{
2548	char *p = desc;	2400	char *p = desc;
…		…
2576	{	2428	{
2577	char flagdesc[512];	2429	char flagdesc[512];
2578	char info2[256 * 4];	2430	char info2[256 * 4];
2579	char *p = info;	2431	char *p = info;
2580		2432
2581	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2433	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2582	count, uuid.seq,	2434	count,
		2435	uuid.c_str (),
2583	&name,	2436	&name,
2584	title ? "\",title:\"" : "",	2437	title ? ",title:\"" : "",
2585	title ? (const char *)title : "",	2438	title ? (const char *)title : "",
		2439	title ? "\"" : "",
2586	flag_desc (flagdesc, 512), type);	2440	flag_desc (flagdesc, 512), type);
2587		2441
2588	if (env)	2442	if (!flag[FLAG_REMOVED] && env)
2589	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2443	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2590		2444
2591	if (map)	2445	if (map)
2592	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2446	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2593		2447
…		…
2611	}	2465	}
2612		2466
2613	const materialtype_t *	2467	const materialtype_t *
2614	object::dominant_material () const	2468	object::dominant_material () const
2615	{	2469	{
2616	if (materialtype_t *mat = name_to_material (materialname))	2470	if (materialtype_t *mt = name_to_material (materialname))
2617	return mat;	2471	return mt;
2618		2472
2619	// omfg this is slow, this has to be temporary :)
2620	shstr unknown ("unknown");
2621
2622	return name_to_material (unknown);	2473	return name_to_material (shstr_unknown);
2623	}	2474	}
2624		2475
2625	void	2476	void
2626	object::open_container (object *new_container)	2477	object::open_container (object *new_container)
2627	{	2478	{
2628	if (container == new_container)	2479	if (container == new_container)
2629	return;	2480	return;
2630		2481
2631	if (object *old_container = container)	2482	object *old_container = container;
		2483
		2484	if (old_container)
2632	{	2485	{
2633	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2486	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2634	return;	2487	return;
2635		2488
2636	#if 0	2489	#if 0
…		…
2638	if (object *closer = old_container->inv)	2491	if (object *closer = old_container->inv)
2639	if (closer->type == CLOSE_CON)	2492	if (closer->type == CLOSE_CON)
2640	closer->destroy ();	2493	closer->destroy ();
2641	#endif	2494	#endif
2642		2495
		2496	// make sure the container is available
		2497	esrv_send_item (this, old_container);
		2498
2643	old_container->flag [FLAG_APPLIED] = 0;	2499	old_container->flag [FLAG_APPLIED] = false;
2644	container = 0;	2500	container = 0;
2645		2501
		2502	// client needs item update to make it work, client bug requires this to be separate
2646	esrv_update_item (UPD_FLAGS, this, old_container);	2503	esrv_update_item (UPD_FLAGS, this, old_container);
		2504
2647	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2505	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2506	play_sound (sound_find ("chest_close"));
2648	}	2507	}
2649		2508
2650	if (new_container)	2509	if (new_container)
2651	{	2510	{
2652	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2511	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2663	}	2522	}
2664	#endif	2523	#endif
2665		2524
2666	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2525	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
2667		2526
		2527	// make sure the container is available, client bug requires this to be separate
		2528	esrv_send_item (this, new_container);
		2529
2668	new_container->flag [FLAG_APPLIED] = 1;	2530	new_container->flag [FLAG_APPLIED] = true;
2669	container = new_container;	2531	container = new_container;
2670		2532
		2533	// client needs flag change
2671	esrv_update_item (UPD_FLAGS, this, new_container);	2534	esrv_update_item (UPD_FLAGS, this, new_container);
2672	esrv_send_inventory (this, new_container);	2535	esrv_send_inventory (this, new_container);
		2536	play_sound (sound_find ("chest_open"));
		2537	}
		2538	// else if (!old_container->env && contr && contr->ns)
		2539	// contr->ns->floorbox_reset ();
		2540	}
		2541
		2542	object *
		2543	object::force_find (const shstr name)
		2544	{
		2545	/* cycle through his inventory to look for the MARK we want to
		2546	* place
		2547	*/
		2548	for (object *tmp = inv; tmp; tmp = tmp->below)
		2549	if (tmp->type == FORCE && tmp->slaying == name)
		2550	return splay (tmp);
		2551
		2552	return 0;
		2553	}
		2554
		2555	void
		2556	object::force_add (const shstr name, int duration)
		2557	{
		2558	if (object *force = force_find (name))
		2559	force->destroy ();
		2560
		2561	object *force = get_archetype (FORCE_NAME);
		2562
		2563	force->slaying = name;
		2564	force->stats.food = 1;
		2565	force->speed_left = -1.f;
		2566
		2567	force->set_speed (duration ? 1.f / duration : 0.f);
		2568	force->flag [FLAG_IS_USED_UP] = true;
		2569	force->flag [FLAG_APPLIED] = true;
		2570
		2571	insert (force);
		2572	}
		2573
		2574	void
		2575	object::play_sound (faceidx sound)
		2576	{
		2577	if (!sound)
		2578	return;
		2579
		2580	if (flag [FLAG_REMOVED])
		2581	return;
		2582
		2583	if (env)
2673	}	2584	{
		2585	if (object *pl = in_player ())
		2586	pl->contr->play_sound (sound);
		2587	}
		2588	else
		2589	map->play_sound (sound, x, y);
2674	}	2590	}
2675		2591
2676

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