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Comparing deliantra/server/common/object.C (file contents):
Revision 1.131 by root, Sat Feb 10 15:20:23 2007 UTC vs.
Revision 1.257 by root, Tue Sep 16 16:03:02 2008 UTC

1	/*	1	/*
2	* CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	* (at your option) any later version.	11	* (at your option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	*	20	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	22	*/
24		23
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	24	#include <global.h>
29	#include <stdio.h>	25	#include <stdio.h>
30	#include <sys/types.h>	26	#include <sys/types.h>
31	#include <sys/uio.h>	27	#include <sys/uio.h>
32	#include <object.h>	28	#include <object.h>
33	#include <funcpoint.h>	29	#include <sproto.h>
34	#include <loader.h>	30	#include <loader.h>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	int nrofallocobjects = 0;	34	UUID UUID::cur;
39	static UUID uuid;	35	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
41		37
42	objectvec objects;	38	objectvec objects;
43	activevec actives;	39	activevec actives;
44		40
45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	41	short freearr_x[SIZEOFFREE] = {
		42	0,
		43	0, 1, 1, 1, 0, -1, -1, -1,
		44	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	45	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
47	};	46	};
48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	47	short freearr_y[SIZEOFFREE] = {
		48	0,
		49	-1, -1, 0, 1, 1, 1, 0, -1,
		50	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
49	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	51	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50	};	52	};
51	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,	53	int maxfree[SIZEOFFREE] = {
		54	0,
		55	9, 10, 13, 14, 17, 18, 21, 22,
		56	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
52	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49	57	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
53	};	58	};
54	int freedir[SIZEOFFREE] = {	59	int freedir[SIZEOFFREE] = {
55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	60	0,
		61	1, 2, 3, 4, 5, 6, 7, 8,
		62	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	63	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
57	};	64	};
58		65
59	static void	66	static void
60	write_uuid (void)	67	write_uuid (uval64 skip, bool sync)
61	{	68	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	69	CALL_BEGIN (2);
63		70	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	71	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	72	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		73	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	74	}
79		75
80	static void	76	static void
81	read_uuid (void)	77	read_uuid (void)
82	{	78	{
83	char filename[MAX_BUF];	79	char filename[MAX_BUF];
84		80
85	sprintf (filename, "%s/uuid", settings.localdir);	81	sprintf (filename, "%s/uuid", settings.localdir);
		82
		83	seq_next_save = 0;
86		84
87	FILE *fp;	85	FILE *fp;
88		86
89	if (!(fp = fopen (filename, "r")))	87	if (!(fp = fopen (filename, "r")))
90	{	88	{
91	if (errno == ENOENT)	89	if (errno == ENOENT)
92	{	90	{
93	LOG (llevInfo, "RESET uid to 1\n");	91	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	92	UUID::cur.seq = 0;
95	write_uuid ();	93	write_uuid (UUID_GAP, true);
96	return;	94	return;
97	}	95	}
98		96
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	98	_exit (1);
101	}	99	}
102		100
103	int version;	101	UUID::BUF buf;
104	unsigned long long uid;	102	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	103	fgets (buf, sizeof (buf), fp);
		104
		105	if (!UUID::cur.parse (buf))
106	{	106	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	107	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	108	_exit (1);
109	}	109	}
110		110
111	uuid.seq = uid;	111	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	112
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	113	write_uuid (UUID_GAP, true);
114	fclose (fp);	114	fclose (fp);
115	}	115	}
116		116
117	UUID	117	UUID
118	gen_uuid ()	118	UUID::gen ()
119	{	119	{
120	UUID uid;	120	UUID uid;
121		121
122	uid.seq = ++uuid.seq;	122	uid.seq = ++cur.seq;
123		123
124	if (!(uuid.seq & (UUID_SKIP - 1)))	124	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	125	{
		126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		127	write_uuid (UUID_GAP, false);
		128	}
		129
126		130
127	return uid;	131	return uid;
128	}	132	}
129		133
130	void	134	void
131	init_uuid ()	135	UUID::init ()
132	{	136	{
133	read_uuid ();	137	read_uuid ();
134	}	138	}
135		139
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	140	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	141	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	142	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	143	{
140	key_value *wants_field;
141
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	144	/* n-squared behaviour (see kv_get), but I'm hoping both
143	* objects with lists are rare, and lists stay short. If not, use a	145	* objects with lists are rare, and lists stay short. If not, use a
144	* different structure or at least keep the lists sorted...	146	* different structure or at least keep the lists sorted...
145	*/	147	*/
146		148
147	/* For each field in wants, */	149	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	150	for (key_value *kv = wants->key_values; kv; kv = kv->next)
149	{	151	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	152	return false;
151
152	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);
154
155	if (has_field == NULL)
156	{
157	/* No field with that name. */
158	return FALSE;
159	}
160
161	/* Found the matching field. */
162	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167
168	/* If we get here, we found a match. Now for the next field in wants. */
169	}
170		153
171	/* If we get here, every field in wants has a matching field in has. */	154	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	155	return true;
173	}	156	}
174		157
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	158	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	159	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	160	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	161	{
179	/* However, there may be fields in has which aren't partnered in wants,	162	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	163	* so we need to run the comparison *twice*. :(
181	*/	164	*/
182	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	165	return compare_ob_value_lists_one (ob1, ob2)
		166	&& compare_ob_value_lists_one (ob2, ob1);
183	}	167	}
184		168
185	/* Function examines the 2 objects given to it, and returns true if	169	/* Function examines the 2 objects given to it, and returns true if
186	* they can be merged together.	170	* they can be merged together.
187	*	171	*
…		…
202	|| ob1->speed != ob2->speed	186	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	187	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	188	|| ob1->name != ob2->name)
205	return 0;	189	return 0;
206		190
207	//TODO: this ain't working well, use nicer and correct overflow check
208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	191	/* Do not merge objects if nrof would overflow, assume nrof
209	* value could not be stored in a sint32 (which unfortunately sometimes is	192	* is always 0 .. 2**31-1 */
210	* used to store nrof).	193	if (ob1->nrof > 0x7fffffff - ob2->nrof)
211	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
213	return 0;	194	return 0;
214		195
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	196	/* 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	197	* 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	198	* 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	199	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	200	* flags lose any meaning.
220	*/	201	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	202	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	203	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		204
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	205	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	206	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		207
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	208	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	209	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	210	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	211	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	212	|| 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	213	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	214	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	215	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	216	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	217	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	218	|| ob1->animation_id != ob2->animation_id
		219	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
241	|| ob1->client_type != ob2->client_type	220	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	221	|| ob1->materialname != ob2->materialname
243	|| ob1->lore != ob2->lore	222	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	223	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	224	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	225	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	226	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	227	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	228	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	229	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	230	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		231	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		232	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	233	return 0;
253		234
		235	if ((ob1->flag ^ ob2->flag)
		236	.reset (FLAG_INV_LOCKED)
		237	.reset (FLAG_REMOVED)
		238	.any ())
		239	return 0;
		240
254	/* This is really a spellbook check - really, we should	241	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	242	* not merge objects with real inventories, as splitting them
		243	* is hard.
256	*/	244	*/
257	if (ob1->inv || ob2->inv)	245	if (ob1->inv || ob2->inv)
258	{	246	{
259	/* if one object has inventory but the other doesn't, not equiv */	247	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	248	return 0; /* inventories differ in length */
261	return 0;
262		249
263	/* Now check to see if the two inventory objects could merge */	250	if (ob1->inv->below || ob2->inv->below)
		251	return 0; /* more than one object in inv */
		252
264	if (!object::can_merge (ob1->inv, ob2->inv))	253	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	254	return 0; /* inventory objects differ */
266		255
267	/* inventory ok - still need to check rest of this object to see	256	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	257	* if it is valid.
269	*/	258	*/
270	}	259	}
…		…
289	if (ob1->level != ob2->level)	278	if (ob1->level != ob2->level)
290	return 0;	279	return 0;
291	break;	280	break;
292	}	281	}
293		282
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	283	if (ob1->key_values || ob2->key_values)
295	{	284	{
296	/* At least one of these has key_values. */	285	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	286	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	287	return 0; /* One has fields, but the other one doesn't. */
		288
		289	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	290	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	291	}
303		292
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	293	if (ob1->self || ob2->self)
306	{	294	{
307	ob1->optimise ();	295	ob1->optimise ();
308	ob2->optimise ();	296	ob2->optimise ();
309		297
310	if (ob1->self || ob2->self)	298	if (ob1->self || ob2->self)
		299	{
		300	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		301	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		302
		303	if (k1 != k2)
311	return 0;	304	return 0;
		305
		306	if (k1 == 0)
		307	return 1;
		308
		309	if (!cfperl_can_merge (ob1, ob2))
		310	return 0;
		311	}
312	}	312	}
313		313
314	/* Everything passes, must be OK. */	314	/* Everything passes, must be OK. */
315	return 1;	315	return 1;
316	}	316	}
317		317
		318	// find player who can see this object
		319	object *
		320	object::visible_to () const
		321	{
		322	if (client_visible () && !flag [FLAG_REMOVED])
		323	{
		324	// see if we are in a container of sorts
		325	if (env)
		326	{
		327	// the player inventory itself is always visible
		328	if (env->type == PLAYER)
		329	return env;
		330
		331	// else a player could have our env open
		332	object *envest = env->outer_env ();
		333
		334	// the player itself is always on a map, so we will find him here
		335	// even if our inv is in a player.
		336	if (envest->is_on_map ())
		337	if (object *pl = envest->ms ().player ())
		338	if (pl->container == env)
		339	return pl;
		340	}
		341	else
		342	{
		343	// maybe there is a player standing on the same mapspace
		344	// this will catch the case where "this" is a player
		345	if (object *pl = ms ().player ())
		346	if ((!pl->container && pl->contr->ns && !pl->contr->ns->update_look)
		347	|| this == pl->container)
		348	return pl;
		349	}
		350	}
		351
		352	return 0;
		353	}
		354
		355	// adjust weight per container type ("of holding")
		356	static sint32
		357	weight_adjust_for (object *op, sint32 weight)
		358	{
		359	return op->type == CONTAINER
		360	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		361	: weight;
		362	}
		363
318	/*	364	/*
		365	* adjust_weight(object, weight) adds the specified weight to an object,
		366	* and also updates how much the environment(s) is/are carrying.
		367	*/
		368	static void
		369	adjust_weight (object *op, sint32 weight)
		370	{
		371	while (op)
		372	{
		373	// adjust by actual difference to account for rounding errors
		374	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		375	weight = weight_adjust_for (op, op->carrying)
		376	- weight_adjust_for (op, op->carrying - weight);
		377
		378	if (!weight)
		379	return;
		380
		381	op->carrying += weight;
		382
		383	if (object *pl = op->visible_to ())
		384	if (pl != op) // player is handled lazily
		385	esrv_update_item (UPD_WEIGHT, pl, op);
		386
		387	op = op->env;
		388	}
		389	}
		390
		391	/*
319	* sum_weight() is a recursive function which calculates the weight	392	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	393	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	394	* containers are carrying, and sums it up.
322	*/	395	*/
323	long	396	void
324	sum_weight (object *op)	397	object::update_weight ()
325	{	398	{
326	long sum;	399	sint32 sum = 0;
327	object *inv;
328		400
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	401	for (object *op = inv; op; op = op->below)
330	{	402	{
331	if (inv->inv)	403	if (op->inv)
332	sum_weight (inv);	404	op->update_weight ();
333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	405
		406	sum += op->total_weight ();
		407	}
		408
		409	sum = weight_adjust_for (this, sum);
		410
		411	if (sum != carrying)
334	}	412	{
335
336	if (op->type == CONTAINER && op->stats.Str)
337	sum = (sum * (100 - op->stats.Str)) / 100;
338
339	if (op->carrying != sum)
340	op->carrying = sum;	413	carrying = sum;
341		414
342	return sum;	415	if (object *pl = visible_to ())
		416	if (pl != this) // player is handled lazily
		417	esrv_update_item (UPD_WEIGHT, pl, this);
		418	}
343	}	419	}
344		420
345	/**	421	/*
346	* Return the outermost environment object for a given object.	422	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/	423	*/
348
349	object *
350	object_get_env_recursive (object *op)
351	{
352	while (op->env != NULL)
353	op = op->env;
354	return op;
355	}
356
357	/*
358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
359	* Some error messages.
360	* The result of the dump is stored in the static global errmsg array.
361	*/
362
363	char *	424	char *
364	dump_object (object *op)	425	dump_object (object *op)
365	{	426	{
366	if (!op)	427	if (!op)
367	return strdup ("[NULLOBJ]");	428	return strdup ("[NULLOBJ]");
368		429
369	object_freezer freezer;	430	object_freezer freezer;
370	save_object (freezer, op, 1);	431	op->write (freezer);
371	return freezer.as_string ();	432	return freezer.as_string ();
372	}	433	}
373		434
374	/*	435	/*
375	* get_nearest_part(multi-object, object 2) returns the part of the	436	* get_nearest_part(multi-object, object 2) returns the part of the
376	* multi-object 1 which is closest to the second object.	437	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.	438	* If it's not a multi-object, it is returned.
378	*/	439	*/
379
380	object *	440	object *
381	get_nearest_part (object *op, const object *pl)	441	get_nearest_part (object *op, const object *pl)
382	{	442	{
383	object *tmp, *closest;	443	object *tmp, *closest;
384	int last_dist, i;	444	int last_dist, i;
385		445
386	if (op->more == NULL)	446	if (!op->more)
387	return op;	447	return op;
		448
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	449	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		450	tmp;
		451	tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)	452	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;	453	closest = tmp, last_dist = i;
		454
391	return closest;	455	return closest;
392	}	456	}
393		457
394	/*	458	/*
395	* Returns the object which has the count-variable equal to the argument.	459	* Returns the object which has the count-variable equal to the argument.
		460	* VERRRY slow.
396	*/	461	*/
397	object *	462	object *
398	find_object (tag_t i)	463	find_object (tag_t i)
399	{	464	{
400	for_all_objects (op)	465	for_all_objects (op)
…		…
411	*/	476	*/
412	object *	477	object *
413	find_object_name (const char *str)	478	find_object_name (const char *str)
414	{	479	{
415	shstr_cmp str_ (str);	480	shstr_cmp str_ (str);
416	object *op;
417		481
		482	if (str_)
418	for_all_objects (op)	483	for_all_objects (op)
419	if (op->name == str_)	484	if (op->name == str_)
420	break;	485	return op;
421		486
422	return op;	487	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	488	}
430		489
431	/*	490	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	491	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	492	* skill and experience objects.
		493	* ACTUALLY NO! investigate! TODO
434	*/	494	*/
435	void	495	void
436	object::set_owner (object *owner)	496	object::set_owner (object *owner)
437	{	497	{
		498	// allow objects which own objects
438	if (!owner)	499	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)	500	while (owner->owner)
449	owner = owner->owner;	501	owner = owner->owner;
		502
		503	if (flag [FLAG_FREED])
		504	{
		505	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		506	return;
		507	}
450		508
451	this->owner = owner;	509	this->owner = owner;
		510	}
		511
		512	int
		513	object::slottype () const
		514	{
		515	if (type == SKILL)
		516	{
		517	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		518	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		519	}
		520	else
		521	{
		522	if (slot [body_combat].info) return slot_combat;
		523	if (slot [body_range ].info) return slot_ranged;
		524	}
		525
		526	return slot_none;
		527	}
		528
		529	bool
		530	object::change_weapon (object *ob)
		531	{
		532	if (current_weapon == ob)
		533	return true;
		534
		535	if (chosen_skill)
		536	chosen_skill->flag [FLAG_APPLIED] = false;
		537
		538	current_weapon = ob;
		539	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		540
		541	if (chosen_skill)
		542	chosen_skill->flag [FLAG_APPLIED] = true;
		543
		544	update_stats ();
		545
		546	if (ob)
		547	{
		548	// now check wether any body locations became invalid, in which case
		549	// we cannot apply the weapon at the moment.
		550	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		551	if (slot[i].used < 0)
		552	{
		553	current_weapon = chosen_skill = 0;
		554	update_stats ();
		555
		556	new_draw_info_format (NDI_UNIQUE, 0, this,
		557	"You try to balance all your items at once, "
		558	"but the %s is just too much for your body. "
		559	"[You need to unapply some items first.]", &ob->name);
		560	return false;
		561	}
		562
		563	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		564	}
		565	else
		566	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		567
		568	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		569	{
		570	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		571	&name, ob->debug_desc ());
		572	return false;
		573	}
		574
		575	return true;
452	}	576	}
453		577
454	/* Zero the key_values on op, decrementing the shared-string	578	/* Zero the key_values on op, decrementing the shared-string
455	* refcounts and freeing the links.	579	* refcounts and freeing the links.
456	*/	580	*/
457	static void	581	static void
458	free_key_values (object *op)	582	free_key_values (object *op)
459	{	583	{
460	for (key_value *i = op->key_values; i != 0;)	584	for (key_value *i = op->key_values; i; )
461	{	585	{
462	key_value *next = i->next;	586	key_value *next = i->next;
463	delete i;	587	delete i;
464		588
465	i = next;	589	i = next;
…		…
477	* will point at garbage.	601	* will point at garbage.
478	*/	602	*/
479	void	603	void
480	object::copy_to (object *dst)	604	object::copy_to (object *dst)
481	{	605	{
482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	606	dst->remove ();
483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
484
485	*(object_copy *)dst = *this;	607	*(object_copy *)dst = *this;
486		608	dst->flag [FLAG_REMOVED] = true;
487	if (is_freed)
488	SET_FLAG (dst, FLAG_FREED);
489
490	if (is_removed)
491	SET_FLAG (dst, FLAG_REMOVED);
492
493	if (speed < 0)
494	dst->speed_left = speed_left - rndm ();
495		609
496	/* Copy over key_values, if any. */	610	/* Copy over key_values, if any. */
497	if (key_values)	611	if (key_values)
498	{	612	{
499	key_value *tail = 0;	613	key_value *tail = 0;
500	key_value *i;
501
502	dst->key_values = 0;	614	dst->key_values = 0;
503		615
504	for (i = key_values; i; i = i->next)	616	for (key_value *i = key_values; i; i = i->next)
505	{	617	{
506	key_value *new_link = new key_value;	618	key_value *new_link = new key_value;
507		619
508	new_link->next = 0;	620	new_link->next = 0;
509	new_link->key = i->key;	621	new_link->key = i->key;
510	new_link->value = i->value;	622	new_link->value = i->value;
511		623
512	/* Try and be clever here, too. */	624	/* Try and be clever here, too. */
513	if (!dst->key_values)	625	if (!dst->key_values)
514	{	626	{
…		…
521	tail = new_link;	633	tail = new_link;
522	}	634	}
523	}	635	}
524	}	636	}
525		637
526	dst->set_speed (dst->speed);	638	if (speed < 0)
		639	dst->speed_left -= rndm ();
		640
		641	dst->activate ();
		642	}
		643
		644	void
		645	object::instantiate ()
		646	{
		647	if (!uuid.seq) // HACK
		648	uuid = UUID::gen ();
		649
		650	speed_left = -0.1f;
		651	/* copy the body_info to the body_used - this is only really
		652	* need for monsters, but doesn't hurt to do it for everything.
		653	* by doing so, when a monster is created, it has good starting
		654	* values for the body_used info, so when items are created
		655	* for it, they can be properly equipped.
		656	*/
		657	for (int i = NUM_BODY_LOCATIONS; i--; )
		658	slot[i].used = slot[i].info;
		659
		660	attachable::instantiate ();
527	}	661	}
528		662
529	object *	663	object *
530	object::clone ()	664	object::clone ()
531	{	665	{
532	object *neu = create ();	666	object *neu = create ();
533	copy_to (neu);	667	copy_to (neu);
		668	neu->map = map; // not copied by copy_to
534	return neu;	669	return neu;
535	}	670	}
536		671
537	/*	672	/*
538	* If an object with the IS_TURNABLE() flag needs to be turned due	673	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
589	* UP_OBJ_FACE: only the objects face has changed.	724	* UP_OBJ_FACE: only the objects face has changed.
590	*/	725	*/
591	void	726	void
592	update_object (object *op, int action)	727	update_object (object *op, int action)
593	{	728	{
594	MoveType move_on, move_off, move_block, move_slow;	729	if (!op)
595
596	if (op == NULL)
597	{	730	{
598	/* this should never happen */	731	/* this should never happen */
599	LOG (llevDebug, "update_object() called for NULL object.\n");	732	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
600	return;	733	return;
601	}	734	}
602		735
603	if (op->env)	736	if (!op->is_on_map ())
604	{	737	{
605	/* Animation is currently handled by client, so nothing	738	/* Animation is currently handled by client, so nothing
606	* to do in this case.	739	* to do in this case.
607	*/	740	*/
608	return;	741	return;
609	}	742	}
610
611	/* If the map is saving, don't do anything as everything is
612	* going to get freed anyways.
613	*/
614	if (!op->map || op->map->in_memory == MAP_SAVING)
615	return;
616		743
617	/* make sure the object is within map boundaries */	744	/* make sure the object is within map boundaries */
618	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	745	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
619	{	746	{
620	LOG (llevError, "update_object() called for object out of map!\n");	747	LOG (llevError, "update_object() called for object out of map!\n");
…		…
639	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	766	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
640	|| (m.move_on | op->move_on ) != m.move_on	767	|| (m.move_on | op->move_on ) != m.move_on
641	|| (m.move_off | op->move_off ) != m.move_off	768	|| (m.move_off | op->move_off ) != m.move_off
642	|| (m.move_slow | op->move_slow) != m.move_slow	769	|| (m.move_slow | op->move_slow) != m.move_slow
643	/* This isn't perfect, but I don't expect a lot of objects to	770	/* This isn't perfect, but I don't expect a lot of objects to
644	* to have move_allow right now.	771	* have move_allow right now.
645	*/	772	*/
646	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	773	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
647	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	774	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
648	m.flags_ = 0;	775	m.flags_ = 0;
649	}	776	}
…		…
680	static int object_count;	807	static int object_count;
681		808
682	void object::link ()	809	void object::link ()
683	{	810	{
684	assert (!index);//D	811	assert (!index);//D
685	uuid = gen_uuid ();	812	uuid = UUID::gen ();
686	count = ++object_count;	813	count = ++object_count;
687		814
688	refcnt_inc ();	815	refcnt_inc ();
689	objects.insert (this);	816	objects.insert (this);
690	}	817	}
…		…
702	object::activate ()	829	object::activate ()
703	{	830	{
704	/* If already on active list, don't do anything */	831	/* If already on active list, don't do anything */
705	if (active)	832	if (active)
706	return;	833	return;
		834
		835	if (has_active_speed () && flag [FLAG_FREED]) LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		836	if (has_active_speed () && flag [FLAG_DEBUG]) LOG (llevError | logBacktrace, "BUG: tried to activate DEBUG object %s\n", debug_desc ());//D temp
707		837
708	if (has_active_speed ())	838	if (has_active_speed ())
709	actives.insert (this);	839	actives.insert (this);
710	}	840	}
711		841
…		…
763	object::destroy_inv (bool drop_to_ground)	893	object::destroy_inv (bool drop_to_ground)
764	{	894	{
765	// need to check first, because the checks below might segfault	895	// need to check first, because the checks below might segfault
766	// as we might be on an invalid mapspace and crossfire code	896	// as we might be on an invalid mapspace and crossfire code
767	// is too buggy to ensure that the inventory is empty.	897	// is too buggy to ensure that the inventory is empty.
768	// corollary: if you create arrows etc. with stuff in tis inventory,	898	// corollary: if you create arrows etc. with stuff in its inventory,
769	// cf will crash below with off-map x and y	899	// cf will crash below with off-map x and y
770	if (!inv)	900	if (!inv)
771	return;	901	return;
772		902
773	/* Only if the space blocks everything do we not process -	903	/* Only if the space blocks everything do we not process -
774	* if some form of movement is allowed, let objects	904	* if some form of movement is allowed, let objects
775	* drop on that space.	905	* drop on that space.
776	*/	906	*/
777	if (!drop_to_ground	907	if (!drop_to_ground
778	|| !map	908	|| !map
779	|| map->in_memory != MAP_IN_MEMORY	909	|| map->in_memory != MAP_ACTIVE
780	|| map->nodrop	910	|| map->no_drop
781	|| ms ().move_block == MOVE_ALL)	911	|| ms ().move_block == MOVE_ALL)
782	{	912	{
783	while (inv)	913	while (inv)
784	{
785	inv->destroy_inv (drop_to_ground);
786	inv->destroy ();	914	inv->destroy (true);
787	}
788	}	915	}
789	else	916	else
790	{ /* Put objects in inventory onto this space */	917	{ /* Put objects in inventory onto this space */
791	while (inv)	918	while (inv)
792	{	919	{
…		…
796	|| op->flag [FLAG_NO_DROP]	923	|| op->flag [FLAG_NO_DROP]
797	|| op->type == RUNE	924	|| op->type == RUNE
798	|| op->type == TRAP	925	|| op->type == TRAP
799	|| op->flag [FLAG_IS_A_TEMPLATE]	926	|| op->flag [FLAG_IS_A_TEMPLATE]
800	|| op->flag [FLAG_DESTROY_ON_DEATH])	927	|| op->flag [FLAG_DESTROY_ON_DEATH])
801	op->destroy ();	928	op->destroy (true);
802	else	929	else
803	map->insert (op, x, y);	930	map->insert (op, x, y);
804	}	931	}
805	}	932	}
806	}	933	}
…		…
810	object *op = new object;	937	object *op = new object;
811	op->link ();	938	op->link ();
812	return op;	939	return op;
813	}	940	}
814		941
		942	static struct freed_map : maptile
		943	{
		944	freed_map ()
		945	{
		946	path = "<freed objects map>";
		947	name = "/internal/freed_objects_map";
		948	width = 3;
		949	height = 3;
		950	no_drop = 1;
		951	no_reset = 1;
		952
		953	alloc ();
		954	in_memory = MAP_ACTIVE;
		955	}
		956
		957	~freed_map ()
		958	{
		959	destroy ();
		960	}
		961	} freed_map; // freed objects are moved here to avoid crashes
		962
815	void	963	void
816	object::do_destroy ()	964	object::do_destroy ()
817	{	965	{
818	attachable::do_destroy ();
819
820	if (flag [FLAG_IS_LINKED])	966	if (flag [FLAG_IS_LINKED])
821	remove_button_link (this);	967	remove_button_link (this);
822		968
823	if (flag [FLAG_FRIENDLY])	969	if (flag [FLAG_FRIENDLY])
824	{
825	remove_friendly_object (this);	970	remove_friendly_object (this);
826		971
827	if (type == GOLEM
828	&& owner
829	&& owner->type == PLAYER
830	&& owner->contr->ranges[range_golem] == this)
831	owner->contr->ranges[range_golem] = 0;
832	}
833
834	if (!flag [FLAG_REMOVED])
835	remove ();	972	remove ();
836		973
837	destroy_inv (true);	974	attachable::do_destroy ();
838		975
839	deactivate ();	976	deactivate ();
840	unlink ();	977	unlink ();
841		978
842	flag [FLAG_FREED] = 1;	979	flag [FLAG_FREED] = 1;
843		980
844	// hack to ensure that freed objects still have a valid map	981	// hack to ensure that freed objects still have a valid map
845	{
846	static maptile *freed_map; // freed objects are moved here to avoid crashes
847
848	if (!freed_map)
849	{
850	freed_map = new maptile;
851
852	freed_map->name = "/internal/freed_objects_map";
853	freed_map->width = 3;
854	freed_map->height = 3;
855
856	freed_map->alloc ();
857	freed_map->in_memory = MAP_IN_MEMORY;
858	}
859
860	map = freed_map;	982	map = &freed_map;
861	x = 1;	983	x = 1;
862	y = 1;	984	y = 1;
863	}
864
865	head = 0;
866		985
867	if (more)	986	if (more)
868	{	987	{
869	more->destroy ();	988	more->destroy ();
870	more = 0;	989	more = 0;
871	}	990	}
872		991
		992	head = 0;
		993
873	// clear those pointers that likely might have circular references to us	994	// clear those pointers that likely might cause circular references
874	owner = 0;	995	owner = 0;
875	enemy = 0;	996	enemy = 0;
876	attacked_by = 0;	997	attacked_by = 0;
		998	current_weapon = 0;
877	}	999	}
878		1000
879	void	1001	void
880	object::destroy (bool destroy_inventory)	1002	object::destroy (bool destroy_inventory)
881	{	1003	{
882	if (destroyed ())	1004	if (destroyed ())
883	return;	1005	return;
884		1006
		1007	if (!is_head () && !head->destroyed ())
		1008	{
		1009	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1010	head->destroy (destroy_inventory);
		1011	return;
		1012	}
		1013
885	if (destroy_inventory)	1014	destroy_inv (!destroy_inventory);
886	destroy_inv (false);	1015
		1016	if (is_head ())
		1017	if (sound_destroy)
		1018	play_sound (sound_destroy);
		1019	else if (flag [FLAG_MONSTER])
		1020	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
887		1021
888	attachable::destroy ();	1022	attachable::destroy ();
889	}
890
891	/*
892	* sub_weight() recursively (outwards) subtracts a number from the
893	* weight of an object (and what is carried by it's environment(s)).
894	*/
895	void
896	sub_weight (object *op, signed long weight)
897	{
898	while (op != NULL)
899	{
900	if (op->type == CONTAINER)
901	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
902
903	op->carrying -= weight;
904	op = op->env;
905	}
906	}	1023	}
907		1024
908	/* op->remove ():	1025	/* op->remove ():
909	* This function removes the object op from the linked list of objects	1026	* This function removes the object op from the linked list of objects
910	* which it is currently tied to. When this function is done, the	1027	* which it is currently tied to. When this function is done, the
…		…
916	object::do_remove ()	1033	object::do_remove ()
917	{	1034	{
918	object *tmp, *last = 0;	1035	object *tmp, *last = 0;
919	object *otmp;	1036	object *otmp;
920		1037
921	if (QUERY_FLAG (this, FLAG_REMOVED))	1038	if (flag [FLAG_REMOVED])
922	return;	1039	return;
923		1040
924	SET_FLAG (this, FLAG_REMOVED);
925	INVOKE_OBJECT (REMOVE, this);	1041	INVOKE_OBJECT (REMOVE, this);
		1042
		1043	flag [FLAG_REMOVED] = true;
926		1044
927	if (more)	1045	if (more)
928	more->remove ();	1046	more->remove ();
929		1047
930	/*	1048	/*
931	* In this case, the object to be removed is in someones	1049	* In this case, the object to be removed is in someones
932	* inventory.	1050	* inventory.
933	*/	1051	*/
934	if (env)	1052	if (env)
935	{	1053	{
936	if (nrof)	1054	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
937	sub_weight (env, weight * nrof);	1055	if (object *pl = visible_to ())
938	else	1056	esrv_del_item (pl->contr, count);
939	sub_weight (env, weight + carrying);	1057	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1058
		1059	adjust_weight (env, -total_weight ());
		1060
		1061	/* we set up values so that it could be inserted into
		1062	* the map, but we don't actually do that - it is up
		1063	* to the caller to decide what we want to do.
		1064	*/
		1065	map = env->map;
		1066	x = env->x;
		1067	y = env->y;
		1068
		1069	// make sure cmov optimisation is applicable
		1070	*(above ? &above->below : &env->inv) = below;
		1071	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1072
		1073	above = 0;
		1074	below = 0;
		1075	env = 0;
940		1076
941	/* NO_FIX_PLAYER is set when a great many changes are being	1077	/* NO_FIX_PLAYER is set when a great many changes are being
942	* made to players inventory. If set, avoiding the call	1078	* made to players inventory. If set, avoiding the call
943	* to save cpu time.	1079	* to save cpu time.
944	*/	1080	*/
945	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1081	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
946	otmp->update_stats ();	1082	otmp->update_stats ();
947
948	if (above)
949	above->below = below;
950	else
951	env->inv = below;
952
953	if (below)
954	below->above = above;
955
956	/* we set up values so that it could be inserted into
957	* the map, but we don't actually do that - it is up
958	* to the caller to decide what we want to do.
959	*/
960	x = env->x, y = env->y;
961	map = env->map;
962	above = 0, below = 0;
963	env = 0;
964	}	1083	}
965	else if (map)	1084	else if (map)
966	{	1085	{
967	if (type == PLAYER)
968	{
969	// leaving a spot always closes any open container on the ground
970	if (container && !container->env)
971	// this causes spurious floorbox updates, but it ensures
972	// that the CLOSE event is being sent.
973	close_container ();
974
975	--map->players;
976	map->touch ();
977	}
978
979	map->dirty = true;	1086	map->dirty = true;
980	mapspace &ms = this->ms ();	1087	mapspace &ms = this->ms ();
981		1088
		1089	if (object *pl = ms.player ())
		1090	{
		1091	if (type == PLAYER) // this == pl(!)
		1092	{
		1093	// leaving a spot always closes any open container on the ground
		1094	if (container && !container->env)
		1095	// this causes spurious floorbox updates, but it ensures
		1096	// that the CLOSE event is being sent.
		1097	close_container ();
		1098
		1099	--map->players;
		1100	map->touch ();
		1101	}
		1102	else if (pl->container == this)
		1103	{
		1104	// removing a container should close it
		1105	close_container ();
		1106	}
		1107
		1108	esrv_del_item (pl->contr, count);
		1109	}
		1110
982	/* link the object above us */	1111	/* link the object above us */
983	if (above)	1112	// re-link, make sure compiler can easily use cmove
984	above->below = below;	1113	*(above ? &above->below : &ms.top) = below;
985	else	1114	*(below ? &below->above : &ms.bot) = above;
986	ms.top = below; /* we were top, set new top */
987
988	/* Relink the object below us, if there is one */
989	if (below)
990	below->above = above;
991	else
992	{
993	/* Nothing below, which means we need to relink map object for this space
994	* use translated coordinates in case some oddness with map tiling is
995	* evident
996	*/
997	if (GET_MAP_OB (map, x, y) != this)
998	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 ());
999
1000	ms.bot = above; /* goes on above it. */
1001	}
1002		1115
1003	above = 0;	1116	above = 0;
1004	below = 0;	1117	below = 0;
1005		1118
		1119	ms.flags_ = 0;
		1120
1006	if (map->in_memory == MAP_SAVING)	1121	if (map->in_memory == MAP_SAVING)
1007	return;	1122	return;
1008		1123
1009	int check_walk_off = !flag [FLAG_NO_APPLY];	1124	int check_walk_off = !flag [FLAG_NO_APPLY];
		1125
		1126	if (object *pl = ms.player ())
		1127	{
		1128	if (pl->container == this)
		1129	/* If a container that the player is currently using somehow gets
		1130	* removed (most likely destroyed), update the player view
		1131	* appropriately.
		1132	*/
		1133	pl->close_container ();
		1134
		1135	//TODO: the floorbox prev/next might need updating
		1136	//esrv_del_item (pl->contr, count);
		1137	//TODO: update floorbox to preserve ordering
		1138	if (pl->contr->ns)
		1139	pl->contr->ns->floorbox_update ();
		1140	}
1010		1141
1011	for (tmp = ms.bot; tmp; tmp = tmp->above)	1142	for (tmp = ms.bot; tmp; tmp = tmp->above)
1012	{	1143	{
1013	/* No point updating the players look faces if he is the object	1144	/* No point updating the players look faces if he is the object
1014	* being removed.	1145	* being removed.
1015	*/	1146	*/
1016
1017	if (tmp->type == PLAYER && tmp != this)
1018	{
1019	/* If a container that the player is currently using somehow gets
1020	* removed (most likely destroyed), update the player view
1021	* appropriately.
1022	*/
1023	if (tmp->container == this)
1024	{
1025	flag [FLAG_APPLIED] = 0;
1026	tmp->container = 0;
1027	}
1028
1029	if (tmp->contr->ns)
1030	tmp->contr->ns->floorbox_update ();
1031	}
1032		1147
1033	/* See if object moving off should effect something */	1148	/* See if object moving off should effect something */
1034	if (check_walk_off	1149	if (check_walk_off
1035	&& ((move_type & tmp->move_off)	1150	&& ((move_type & tmp->move_off)
1036	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1151	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1039		1154
1040	if (destroyed ())	1155	if (destroyed ())
1041	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1156	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1042	}	1157	}
1043		1158
1044	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1045	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1046	if (tmp->above == tmp)
1047	tmp->above = 0;
1048
1049	last = tmp;	1159	last = tmp;
1050	}	1160	}
1051
1052	/* last == NULL if there are no objects on this space */
1053	//TODO: this makes little sense, why only update the topmost object?
1054	if (!last)
1055	map->at (x, y).flags_ = 0;
1056	else
1057	update_object (last, UP_OBJ_REMOVE);
1058		1161
1059	if (flag [FLAG_BLOCKSVIEW] || glow_radius)	1162	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1060	update_all_los (map, x, y);	1163	update_all_los (map, x, y);
1061	}	1164	}
1062	}	1165	}
…		…
1073	merge_ob (object *op, object *top)	1176	merge_ob (object *op, object *top)
1074	{	1177	{
1075	if (!op->nrof)	1178	if (!op->nrof)
1076	return 0;	1179	return 0;
1077		1180
1078	if (top)	1181	if (!top)
1079	for (top = op; top && top->above; top = top->above)	1182	for (top = op; top && top->above; top = top->above)
1080	;	1183	;
1081		1184
1082	for (; top; top = top->below)	1185	for (; top; top = top->below)
1083	{
1084	if (top == op)
1085	continue;
1086
1087	if (object::can_merge (op, top))	1186	if (object::can_merge (op, top))
1088	{	1187	{
1089	top->nrof += op->nrof;	1188	top->nrof += op->nrof;
1090		1189
1091	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1190	if (object *pl = top->visible_to ())
1092	op->weight = 0; /* Don't want any adjustements now */	1191	esrv_update_item (UPD_NROF, pl, top);
		1192
		1193	op->weight = 0; // cancel the addition above
		1194	op->carrying = 0; // must be 0 already
		1195
1093	op->destroy ();	1196	op->destroy (1);
		1197
1094	return top;	1198	return top;
1095	}	1199	}
1096	}
1097		1200
1098	return 0;	1201	return 0;
		1202	}
		1203
		1204	void
		1205	object::expand_tail ()
		1206	{
		1207	if (more)
		1208	return;
		1209
		1210	object *prev = this;
		1211
		1212	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1213	{
		1214	object *op = arch_to_object (at);
		1215
		1216	op->name = name;
		1217	op->name_pl = name_pl;
		1218	op->title = title;
		1219
		1220	op->head = this;
		1221	prev->more = op;
		1222
		1223	prev = op;
		1224	}
1099	}	1225	}
1100		1226
1101	/*	1227	/*
1102	* same as insert_ob_in_map except it handles separate coordinates and does a clean	1228	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1103	* job preparing multi-part monsters.	1229	* job preparing multi-part monsters.
1104	*/	1230	*/
1105	object *	1231	object *
1106	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1232	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1107	{	1233	{
		1234	op->remove ();
		1235
1108	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1236	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1109	{	1237	{
1110	tmp->x = x + tmp->arch->clone.x;	1238	tmp->x = x + tmp->arch->x;
1111	tmp->y = y + tmp->arch->clone.y;	1239	tmp->y = y + tmp->arch->y;
1112	}	1240	}
1113		1241
1114	return insert_ob_in_map (op, m, originator, flag);	1242	return insert_ob_in_map (op, m, originator, flag);
1115	}	1243	}
1116		1244
…		…
1135	* just 'op' otherwise	1263	* just 'op' otherwise
1136	*/	1264	*/
1137	object *	1265	object *
1138	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1266	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1139	{	1267	{
1140	object *tmp, *top, *floor = NULL;	1268	if (op->is_on_map ())
1141
1142	if (QUERY_FLAG (op, FLAG_FREED))
1143	{
1144	LOG (llevError, "Trying to insert freed object!\n");
1145	return NULL;
1146	}	1269	{
1147		1270	LOG (llevError, "insert_ob_in_map called for object already on map");
1148	if (!QUERY_FLAG (op, FLAG_REMOVED))
1149	LOG (llevError, "Trying to insert already inserted object %s\n", op->debug_desc ());
1150
1151	op->remove ();
1152
1153	if (!m)
1154	{
1155	char *dump = dump_object (op);
1156	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1157	free (dump);
1158	return op;
1159	}
1160
1161	if (out_of_map (m, op->x, op->y))
1162	{
1163	char *dump = dump_object (op);
1164	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1165	#ifdef MANY_CORES
1166	/* Better to catch this here, as otherwise the next use of this object
1167	* is likely to cause a crash. Better to find out where it is getting
1168	* improperly inserted.
1169	*/
1170	abort ();	1271	abort ();
1171	#endif
1172	free (dump);
1173	return op;
1174	}
1175
1176	if (object *more = op->more)
1177	{	1272	}
1178	if (!insert_ob_in_map (more, m, originator, flag))
1179	{
1180	if (!op->head)
1181	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1182		1273
1183	return 0;	1274	if (op->env)
1184	}
1185	}	1275	{
		1276	LOG (llevError, "insert_ob_in_map called for object in an inventory (proceeding)");
		1277	op->remove ();
		1278	}
1186		1279
1187	CLEAR_FLAG (op, FLAG_REMOVED);	1280	if (op->face && !face_info (op->face))//D TODO: remove soon
		1281	{//D
		1282	LOG (llevError | logBacktrace, "op->face out of bounds: %s", op->debug_desc ());//D
		1283	op->face = 1;//D
		1284	}//D
1188		1285
1189	/* Ideally, the caller figures this out. However, it complicates a lot	1286	/* Ideally, the caller figures this out. However, it complicates a lot
1190	* of areas of callers (eg, anything that uses find_free_spot would now	1287	* of areas of callers (eg, anything that uses find_free_spot would now
1191	* need extra work	1288	* need extra work
1192	*/	1289	*/
1193	if (!xy_normalise (m, op->x, op->y))	1290	if (!xy_normalise (m, op->x, op->y))
		1291	{
		1292	op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found
1194	return 0;	1293	return 0;
		1294	}
		1295
		1296	if (object *more = op->more)
		1297	if (!insert_ob_in_map (more, m, originator, flag))
		1298	return 0;
		1299
		1300	CLEAR_FLAG (op, FLAG_REMOVED);
1195		1301
1196	op->map = m;	1302	op->map = m;
1197	mapspace &ms = op->ms ();	1303	mapspace &ms = op->ms ();
1198		1304
1199	/* this has to be done after we translate the coordinates.	1305	/* this has to be done after we translate the coordinates.
1200	*/	1306	*/
1201	if (op->nrof && !(flag & INS_NO_MERGE))	1307	if (op->nrof && !(flag & INS_NO_MERGE))
1202	for (tmp = ms.bot; tmp; tmp = tmp->above)	1308	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1203	if (object::can_merge (op, tmp))	1309	if (object::can_merge (op, tmp))
1204	{	1310	{
		1311	// TODO: we actually want to update tmp, not op,
		1312	// but some caller surely breaks when we return tmp
		1313	// from here :/
1205	op->nrof += tmp->nrof;	1314	op->nrof += tmp->nrof;
1206	tmp->destroy ();	1315	tmp->destroy (1);
1207	}	1316	}
1208		1317
1209	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1318	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1210	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1319	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1211		1320
…		…
1218	{	1327	{
1219	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1328	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1220	abort ();	1329	abort ();
1221	}	1330	}
1222		1331
		1332	if (!originator->is_on_map ())
		1333	LOG (llevDebug | logBacktrace, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1334	op->debug_desc (), originator->debug_desc ());
		1335
1223	op->above = originator;	1336	op->above = originator;
1224	op->below = originator->below;	1337	op->below = originator->below;
1225
1226	if (op->below)
1227	op->below->above = op;
1228	else
1229	ms.bot = op;
1230
1231	/* since *below* originator, no need to update top */
1232	originator->below = op;	1338	originator->below = op;
		1339
		1340	*(op->below ? &op->below->above : &ms.bot) = op;
1233	}	1341	}
1234	else	1342	else
1235	{	1343	{
1236	top = ms.bot;	1344	object *floor = 0;
		1345	object *top = ms.top;
1237		1346
1238	/* If there are other objects, then */	1347	/* If there are other objects, then */
1239	if ((!(flag & INS_MAP_LOAD)) && top)	1348	if (top)
1240	{	1349	{
1241	object *last = 0;
1242
1243	/*	1350	/*
1244	* If there are multiple objects on this space, we do some trickier handling.	1351	* If there are multiple objects on this space, we do some trickier handling.
1245	* We've already dealt with merging if appropriate.	1352	* We've already dealt with merging if appropriate.
1246	* Generally, we want to put the new object on top. But if	1353	* Generally, we want to put the new object on top. But if
1247	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1354	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1250	* once we get to them. This reduces the need to traverse over all of	1357	* once we get to them. This reduces the need to traverse over all of
1251	* them when adding another one - this saves quite a bit of cpu time	1358	* them when adding another one - this saves quite a bit of cpu time
1252	* when lots of spells are cast in one area. Currently, it is presumed	1359	* when lots of spells are cast in one area. Currently, it is presumed
1253	* that flying non pickable objects are spell objects.	1360	* that flying non pickable objects are spell objects.
1254	*/	1361	*/
1255	for (top = ms.bot; top; top = top->above)	1362	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1256	{	1363	{
1257	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1364	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1258	floor = top;	1365	floor = tmp;
1259		1366
1260	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1367	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1261	{	1368	{
1262	/* We insert above top, so we want this object below this */	1369	/* We insert above top, so we want this object below this */
1263	top = top->below;	1370	top = tmp->below;
1264	break;	1371	break;
1265	}	1372	}
1266		1373
1267	last = top;	1374	top = tmp;
1268	}	1375	}
1269
1270	/* Don't want top to be NULL, so set it to the last valid object */
1271	top = last;
1272		1376
1273	/* We let update_position deal with figuring out what the space	1377	/* We let update_position deal with figuring out what the space
1274	* looks like instead of lots of conditions here.	1378	* looks like instead of lots of conditions here.
1275	* makes things faster, and effectively the same result.	1379	* makes things faster, and effectively the same result.
1276	*/	1380	*/
1277		1381
1278	/* Have object 'fall below' other objects that block view.	1382	/* Have object 'fall below' other objects that block view.
1279	* Unless those objects are exits, type 66	1383	* Unless those objects are exits.
1280	* If INS_ON_TOP is used, don't do this processing	1384	* If INS_ON_TOP is used, don't do this processing
1281	* Need to find the object that in fact blocks view, otherwise	1385	* Need to find the object that in fact blocks view, otherwise
1282	* stacking is a bit odd.	1386	* stacking is a bit odd.
1283	*/	1387	*/
1284	if (!(flag & INS_ON_TOP)	1388	if (!(flag & INS_ON_TOP)
1285	&& ms.flags () & P_BLOCKSVIEW	1389	&& ms.flags () & P_BLOCKSVIEW
1286	&& (op->face && !op->face->visibility))	1390	&& (op->face && !faces [op->face].visibility))
1287	{	1391	{
		1392	object *last;
		1393
1288	for (last = top; last != floor; last = last->below)	1394	for (last = top; last != floor; last = last->below)
1289	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1395	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1290	break;	1396	break;
1291		1397
1292	/* Check to see if we found the object that blocks view,	1398	/* Check to see if we found the object that blocks view,
…		…
1297	if (last && last->below && last != floor)	1403	if (last && last->below && last != floor)
1298	top = last->below;	1404	top = last->below;
1299	}	1405	}
1300	} /* If objects on this space */	1406	} /* If objects on this space */
1301		1407
1302	if (flag & INS_MAP_LOAD)
1303	top = ms.top;
1304
1305	if (flag & INS_ABOVE_FLOOR_ONLY)	1408	if (flag & INS_ABOVE_FLOOR_ONLY)
1306	top = floor;	1409	top = floor;
1307		1410
1308	/* Top is the object that our object (op) is going to get inserted above.	1411	// insert object above top, or bottom-most if top = 0
1309	*/
1310
1311	/* First object on this space */
1312	if (!top)	1412	if (!top)
1313	{	1413	{
		1414	op->below = 0;
1314	op->above = ms.bot;	1415	op->above = ms.bot;
1315
1316	if (op->above)
1317	op->above->below = op;
1318
1319	op->below = 0;
1320	ms.bot = op;	1416	ms.bot = op;
		1417
		1418	*(op->above ? &op->above->below : &ms.top) = op;
1321	}	1419	}
1322	else	1420	else
1323	{ /* get inserted into the stack above top */	1421	{
1324	op->above = top->above;	1422	op->above = top->above;
1325
1326	if (op->above)
1327	op->above->below = op;	1423	top->above = op;
1328		1424
1329	op->below = top;	1425	op->below = top;
1330	top->above = op;	1426	*(op->above ? &op->above->below : &ms.top) = op;
1331	}	1427	}
1332		1428	}
1333	if (!op->above)
1334	ms.top = op;
1335	} /* else not INS_BELOW_ORIGINATOR */
1336		1429
1337	if (op->type == PLAYER)	1430	if (op->type == PLAYER)
1338	{	1431	{
1339	op->contr->do_los = 1;	1432	op->contr->do_los = 1;
1340	++op->map->players;	1433	++op->map->players;
1341	op->map->touch ();	1434	op->map->touch ();
1342	}	1435	}
1343		1436
1344	op->map->dirty = true;	1437	op->map->dirty = true;
1345		1438
1346	/* If we have a floor, we know the player, if any, will be above
1347	* it, so save a few ticks and start from there.
1348	*/
1349	if (!(flag & INS_MAP_LOAD))
1350	if (object *pl = ms.player ())	1439	if (object *pl = ms.player ())
		1440	//TODO: the floorbox prev/next might need updating
		1441	//esrv_send_item (pl, op);
		1442	//TODO: update floorbox to preserve ordering
1351	if (pl->contr->ns)	1443	if (pl->contr->ns)
1352	pl->contr->ns->floorbox_update ();	1444	pl->contr->ns->floorbox_update ();
1353		1445
1354	/* If this object glows, it may affect lighting conditions that are	1446	/* If this object glows, it may affect lighting conditions that are
1355	* visible to others on this map. But update_all_los is really	1447	* visible to others on this map. But update_all_los is really
1356	* an inefficient way to do this, as it means los for all players	1448	* an inefficient way to do this, as it means los for all players
1357	* on the map will get recalculated. The players could very well	1449	* on the map will get recalculated. The players could very well
…		…
1376	* blocked() and wall() work properly), and these flags are updated by	1468	* blocked() and wall() work properly), and these flags are updated by
1377	* update_object().	1469	* update_object().
1378	*/	1470	*/
1379		1471
1380	/* if this is not the head or flag has been passed, don't check walk on status */	1472	/* if this is not the head or flag has been passed, don't check walk on status */
1381	if (!(flag & INS_NO_WALK_ON) && !op->head)	1473	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1382	{	1474	{
1383	if (check_move_on (op, originator))	1475	if (check_move_on (op, originator))
1384	return 0;	1476	return 0;
1385		1477
1386	/* If we are a multi part object, lets work our way through the check	1478	/* If we are a multi part object, lets work our way through the check
1387	* walk on's.	1479	* walk on's.
1388	*/	1480	*/
1389	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1481	for (object *tmp = op->more; tmp; tmp = tmp->more)
1390	if (check_move_on (tmp, originator))	1482	if (check_move_on (tmp, originator))
1391	return 0;	1483	return 0;
1392	}	1484	}
1393		1485
1394	return op;	1486	return op;
…		…
1399	* op is the object to insert it under: supplies x and the map.	1491	* op is the object to insert it under: supplies x and the map.
1400	*/	1492	*/
1401	void	1493	void
1402	replace_insert_ob_in_map (const char *arch_string, object *op)	1494	replace_insert_ob_in_map (const char *arch_string, object *op)
1403	{	1495	{
1404	object *tmp, *tmp1;
1405
1406	/* first search for itself and remove any old instances */	1496	/* first search for itself and remove any old instances */
1407		1497
1408	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1498	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1409	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1499	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1410	tmp->destroy ();	1500	tmp->destroy (1);
1411		1501
1412	tmp1 = arch_to_object (archetype::find (arch_string));	1502	object *tmp = arch_to_object (archetype::find (arch_string));
1413		1503
1414	tmp1->x = op->x;	1504	tmp->x = op->x;
1415	tmp1->y = op->y;	1505	tmp->y = op->y;
		1506
1416	insert_ob_in_map (tmp1, op->map, op, 0);	1507	insert_ob_in_map (tmp, op->map, op, 0);
1417	}	1508	}
1418		1509
1419	object *	1510	object *
1420	object::insert_at (object *where, object *originator, int flags)	1511	object::insert_at (object *where, object *originator, int flags)
1421	{	1512	{
		1513	if (where->env)
		1514	return where->env->insert (this);
		1515	else
1422	where->map->insert (this, where->x, where->y, originator, flags);	1516	return where->map->insert (this, where->x, where->y, originator, flags);
1423	}	1517	}
1424		1518
1425	/*	1519	/*
1426	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1427	* is returned contains nr objects, and the remaining parts contains
1428	* the rest (or is removed and freed if that number is 0).
1429	* On failure, NULL is returned, and the reason put into the
1430	* global static errmsg array.
1431	*/
1432	object *
1433	get_split_ob (object *orig_ob, uint32 nr)
1434	{
1435	object *newob;
1436	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1437
1438	if (orig_ob->nrof < nr)
1439	{
1440	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1441	return NULL;
1442	}
1443
1444	newob = object_create_clone (orig_ob);
1445
1446	if ((orig_ob->nrof -= nr) < 1)
1447	orig_ob->destroy (1);
1448	else if (!is_removed)
1449	{
1450	if (orig_ob->env != NULL)
1451	sub_weight (orig_ob->env, orig_ob->weight * nr);
1452	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1453	{
1454	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1455	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1456	return NULL;
1457	}
1458	}
1459
1460	newob->nrof = nr;
1461
1462	return newob;
1463	}
1464
1465	/*
1466	* decrease_ob_nr(object, number) decreases a specified number from	1520	* decrease(object, number) decreases a specified number from
1467	* the amount of an object. If the amount reaches 0, the object	1521	* the amount of an object. If the amount reaches 0, the object
1468	* is subsequently removed and freed.	1522	* is subsequently removed and freed.
1469	*	1523	*
1470	* Return value: 'op' if something is left, NULL if the amount reached 0	1524	* Return value: 'op' if something is left, NULL if the amount reached 0
1471	*/	1525	*/
		1526	bool
		1527	object::decrease (sint32 nr)
		1528	{
		1529	if (!nr)
		1530	return true;
1472		1531
		1532	nr = min (nr, nrof);
		1533
		1534	if (nrof > nr)
		1535	{
		1536	nrof -= nr;
		1537	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1538
		1539	if (object *pl = visible_to ())
		1540	esrv_update_item (UPD_NROF, pl, this);
		1541
		1542	return true;
		1543	}
		1544	else
		1545	{
		1546	destroy ();
		1547	return false;
		1548	}
		1549	}
		1550
		1551	/*
		1552	* split(ob,nr) splits up ob into two parts. The part which
		1553	* is returned contains nr objects, and the remaining parts contains
		1554	* the rest (or is removed and returned if that number is 0).
		1555	* On failure, NULL is returned.
		1556	*/
1473	object *	1557	object *
1474	decrease_ob_nr (object *op, uint32 i)	1558	object::split (sint32 nr)
1475	{	1559	{
1476	object *tmp;	1560	int have = number_of ();
1477		1561
1478	if (i == 0) /* objects with op->nrof require this check */	1562	if (have < nr)
1479	return op;	1563	return 0;
1480		1564	else if (have == nr)
1481	if (i > op->nrof)
1482	i = op->nrof;
1483
1484	if (QUERY_FLAG (op, FLAG_REMOVED))
1485	op->nrof -= i;
1486	else if (op->env)
1487	{	1565	{
1488	/* is this object in the players inventory, or sub container
1489	* therein?
1490	*/
1491	tmp = op->in_player ();
1492	/* nope. Is this a container the player has opened?
1493	* If so, set tmp to that player.
1494	* IMO, searching through all the players will mostly
1495	* likely be quicker than following op->env to the map,
1496	* and then searching the map for a player.
1497	*/
1498	if (!tmp)
1499	for_all_players (pl)
1500	if (pl->ob->container == op->env)
1501	{
1502	tmp = pl->ob;
1503	break;
1504	}
1505
1506	if (i < op->nrof)
1507	{
1508	sub_weight (op->env, op->weight * i);
1509	op->nrof -= i;
1510	if (tmp)
1511	esrv_send_item (tmp, op);
1512	}
1513	else
1514	{
1515	op->remove ();	1566	remove ();
1516	op->nrof = 0;	1567	return this;
1517	if (tmp)
1518	esrv_del_item (tmp->contr, op->count);
1519	}
1520	}	1568	}
1521	else	1569	else
1522	{	1570	{
1523	object *above = op->above;	1571	decrease (nr);
1524		1572
1525	if (i < op->nrof)	1573	object *op = deep_clone ();
1526	op->nrof -= i;	1574	op->nrof = nr;
1527	else
1528	{
1529	op->remove ();
1530	op->nrof = 0;
1531	}
1532
1533	/* Since we just removed op, op->above is null */
1534	for (tmp = above; tmp; tmp = tmp->above)
1535	if (tmp->type == PLAYER)
1536	{
1537	if (op->nrof)
1538	esrv_send_item (tmp, op);
1539	else
1540	esrv_del_item (tmp->contr, op->count);
1541	}
1542	}
1543
1544	if (op->nrof)
1545	return op;	1575	return op;
1546	else
1547	{
1548	op->destroy ();
1549	return 0;
1550	}
1551	}
1552
1553	/*
1554	* add_weight(object, weight) adds the specified weight to an object,
1555	* and also updates how much the environment(s) is/are carrying.
1556	*/
1557
1558	void
1559	add_weight (object *op, signed long weight)
1560	{
1561	while (op != NULL)
1562	{
1563	if (op->type == CONTAINER)
1564	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1565
1566	op->carrying += weight;
1567	op = op->env;
1568	}	1576	}
1569	}	1577	}
1570		1578
1571	object *	1579	object *
1572	insert_ob_in_ob (object *op, object *where)	1580	insert_ob_in_ob (object *op, object *where)
…		…
1577	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1585	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1578	free (dump);	1586	free (dump);
1579	return op;	1587	return op;
1580	}	1588	}
1581		1589
1582	if (where->head)	1590	if (where->head_ () != where)
1583	{	1591	{
1584	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1592	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1585	where = where->head;	1593	where = where->head;
1586	}	1594	}
1587		1595
1588	return where->insert (op);	1596	return where->insert (op);
1589	}	1597	}
…		…
1594	* inside the object environment.	1602	* inside the object environment.
1595	*	1603	*
1596	* The function returns now pointer to inserted item, and return value can	1604	* The function returns now pointer to inserted item, and return value can
1597	* be != op, if items are merged. -Tero	1605	* be != op, if items are merged. -Tero
1598	*/	1606	*/
1599
1600	object *	1607	object *
1601	object::insert (object *op)	1608	object::insert (object *op)
1602	{	1609	{
1603	object *tmp, *otmp;
1604
1605	if (!QUERY_FLAG (op, FLAG_REMOVED))
1606	op->remove ();
1607
1608	if (op->more)	1610	if (op->more)
1609	{	1611	{
1610	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1612	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1611	return op;	1613	return op;
1612	}	1614	}
1613		1615
1614	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1616	op->remove ();
1615	CLEAR_FLAG (op, FLAG_REMOVED);	1617
		1618	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1619
1616	if (op->nrof)	1620	if (op->nrof)
1617	{
1618	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1621	for (object *tmp = inv; tmp; tmp = tmp->below)
1619	if (object::can_merge (tmp, op))	1622	if (object::can_merge (tmp, op))
1620	{	1623	{
1621	/* return the original object and remove inserted object	1624	/* return the original object and remove inserted object
1622	(client needs the original object) */	1625	(client needs the original object) */
1623	tmp->nrof += op->nrof;	1626	tmp->nrof += op->nrof;
1624	/* Weight handling gets pretty funky. Since we are adding to	1627
1625	* tmp->nrof, we need to increase the weight.	1628	if (object *pl = tmp->visible_to ())
1626	*/	1629	esrv_update_item (UPD_NROF, pl, tmp);
		1630
1627	add_weight (this, op->weight * op->nrof);	1631	adjust_weight (this, op->total_weight ());
1628	SET_FLAG (op, FLAG_REMOVED);	1632
1629	op->destroy (); /* free the inserted object */	1633	op->destroy (1);
1630	op = tmp;	1634	op = tmp;
1631	op->remove (); /* and fix old object's links */	1635	goto inserted;
1632	CLEAR_FLAG (op, FLAG_REMOVED);
1633	break;
1634	}	1636	}
1635		1637
1636	/* I assume combined objects have no inventory	1638	op->owner = 0; // it's his/hers now. period.
1637	* We add the weight - this object could have just been removed
1638	* (if it was possible to merge). calling remove_ob will subtract
1639	* the weight, so we need to add it in again, since we actually do
1640	* the linking below
1641	*/
1642	add_weight (this, op->weight * op->nrof);
1643	}
1644	else
1645	add_weight (this, (op->weight + op->carrying));
1646
1647	otmp = this->in_player ();
1648	if (otmp && otmp->contr)
1649	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1650	otmp->update_stats ();
1651
1652	op->map = 0;	1639	op->map = 0;
1653	op->env = this;	1640	op->x = 0;
		1641	op->y = 0;
		1642
1654	op->above = 0;	1643	op->above = 0;
1655	op->below = 0;	1644	op->below = inv;
1656	op->x = 0, op->y = 0;	1645	op->env = this;
1657		1646
		1647	if (inv)
		1648	inv->above = op;
		1649
		1650	inv = op;
		1651
		1652	op->flag [FLAG_REMOVED] = 0;
		1653
		1654	if (object *pl = op->visible_to ())
		1655	esrv_send_item (pl, op);
		1656
		1657	adjust_weight (this, op->total_weight ());
		1658
		1659	inserted:
1658	/* reset the light list and los of the players on the map */	1660	/* reset the light list and los of the players on the map */
1659	if ((op->glow_radius != 0) && map)	1661	if (op->glow_radius && map && map->darkness)
1660	{
1661	#ifdef DEBUG_LIGHTS
1662	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1663	#endif /* DEBUG_LIGHTS */
1664	if (map->darkness)
1665	update_all_los (map, x, y);	1662	update_all_los (map, x, y);
1666	}
1667		1663
1668	/* Client has no idea of ordering so lets not bother ordering it here.	1664	// if this is a player's inventory, update stats
1669	* It sure simplifies this function...	1665	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1670	*/	1666	update_stats ();
1671	if (!inv)
1672	inv = op;
1673	else
1674	{
1675	op->below = inv;
1676	op->below->above = op;
1677	inv = op;
1678	}
1679		1667
1680	INVOKE_OBJECT (INSERT, this);	1668	INVOKE_OBJECT (INSERT, this);
1681		1669
1682	return op;	1670	return op;
1683	}	1671	}
…		…
1811	LOG (llevError, "Present_arch called outside map.\n");	1799	LOG (llevError, "Present_arch called outside map.\n");
1812	return NULL;	1800	return NULL;
1813	}	1801	}
1814		1802
1815	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1803	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1816	if (tmp->arch == at)	1804	if (tmp->arch->archname == at->archname)
1817	return tmp;	1805	return tmp;
1818		1806
1819	return NULL;	1807	return NULL;
1820	}	1808	}
1821		1809
…		…
1885	* The first matching object is returned, or NULL if none.	1873	* The first matching object is returned, or NULL if none.
1886	*/	1874	*/
1887	object *	1875	object *
1888	present_arch_in_ob (const archetype *at, const object *op)	1876	present_arch_in_ob (const archetype *at, const object *op)
1889	{	1877	{
1890	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1878	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1891	if (tmp->arch == at)	1879	if (tmp->arch->archname == at->archname)
1892	return tmp;	1880	return tmp;
1893		1881
1894	return NULL;	1882	return NULL;
1895	}	1883	}
1896		1884
…		…
1898	* activate recursively a flag on an object inventory	1886	* activate recursively a flag on an object inventory
1899	*/	1887	*/
1900	void	1888	void
1901	flag_inv (object *op, int flag)	1889	flag_inv (object *op, int flag)
1902	{	1890	{
1903	if (op->inv)
1904	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1891	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1905	{	1892	{
1906	SET_FLAG (tmp, flag);	1893	SET_FLAG (tmp, flag);
1907	flag_inv (tmp, flag);	1894	flag_inv (tmp, flag);
1908	}	1895	}
1909	}	1896	}
1910		1897
1911	/*	1898	/*
1912	* deactivate recursively a flag on an object inventory	1899	* deactivate recursively a flag on an object inventory
1913	*/	1900	*/
1914	void	1901	void
1915	unflag_inv (object *op, int flag)	1902	unflag_inv (object *op, int flag)
1916	{	1903	{
1917	if (op->inv)
1918	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1904	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1919	{	1905	{
1920	CLEAR_FLAG (tmp, flag);	1906	CLEAR_FLAG (tmp, flag);
1921	unflag_inv (tmp, flag);	1907	unflag_inv (tmp, flag);
1922	}	1908	}
1923	}
1924
1925	/*
1926	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1927	* all it's inventory (recursively).
1928	* If checksums are used, a player will get set_cheat called for
1929	* him/her-self and all object carried by a call to this function.
1930	*/
1931	void
1932	set_cheat (object *op)
1933	{
1934	SET_FLAG (op, FLAG_WAS_WIZ);
1935	flag_inv (op, FLAG_WAS_WIZ);
1936	}	1909	}
1937		1910
1938	/*	1911	/*
1939	* find_free_spot(object, map, x, y, start, stop) will search for	1912	* find_free_spot(object, map, x, y, start, stop) will search for
1940	* a spot at the given map and coordinates which will be able to contain	1913	* a spot at the given map and coordinates which will be able to contain
…		…
1942	* to search (see the freearr_x/y[] definition).	1915	* to search (see the freearr_x/y[] definition).
1943	* It returns a random choice among the alternatives found.	1916	* It returns a random choice among the alternatives found.
1944	* start and stop are where to start relative to the free_arr array (1,9	1917	* start and stop are where to start relative to the free_arr array (1,9
1945	* does all 4 immediate directions). This returns the index into the	1918	* does all 4 immediate directions). This returns the index into the
1946	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1919	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1947	* Note - this only checks to see if there is space for the head of the
1948	* object - if it is a multispace object, this should be called for all
1949	* pieces.
1950	* Note2: This function does correctly handle tiled maps, but does not	1920	* Note: This function does correctly handle tiled maps, but does not
1951	* inform the caller. However, insert_ob_in_map will update as	1921	* inform the caller. However, insert_ob_in_map will update as
1952	* necessary, so the caller shouldn't need to do any special work.	1922	* necessary, so the caller shouldn't need to do any special work.
1953	* Note - updated to take an object instead of archetype - this is necessary	1923	* Note - updated to take an object instead of archetype - this is necessary
1954	* because arch_blocked (now ob_blocked) needs to know the movement type	1924	* because arch_blocked (now ob_blocked) needs to know the movement type
1955	* to know if the space in question will block the object. We can't use	1925	* to know if the space in question will block the object. We can't use
…		…
1957	* customized, changed states, etc.	1927	* customized, changed states, etc.
1958	*/	1928	*/
1959	int	1929	int
1960	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1930	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1961	{	1931	{
		1932	int altern[SIZEOFFREE];
1962	int index = 0, flag;	1933	int index = 0, flag;
1963	int altern[SIZEOFFREE];
1964		1934
1965	for (int i = start; i < stop; i++)	1935	for (int i = start; i < stop; i++)
1966	{	1936	{
1967	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1937	mapxy pos (m, x, y); pos.move (i);
1968	if (!flag)	1938
		1939	if (!pos.normalise ())
		1940	continue;
		1941
		1942	mapspace &ms = *pos;
		1943
		1944	if (ms.flags () & P_IS_ALIVE)
		1945	continue;
		1946
		1947	/* However, often
		1948	* ob doesn't have any move type (when used to place exits)
		1949	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1950	*/
		1951	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1952	{
1969	altern [index++] = i;	1953	altern [index++] = i;
		1954	continue;
		1955	}
1970		1956
1971	/* Basically, if we find a wall on a space, we cut down the search size.	1957	/* Basically, if we find a wall on a space, we cut down the search size.
1972	* In this way, we won't return spaces that are on another side of a wall.	1958	* In this way, we won't return spaces that are on another side of a wall.
1973	* This mostly work, but it cuts down the search size in all directions -	1959	* This mostly work, but it cuts down the search size in all directions -
1974	* if the space being examined only has a wall to the north and empty	1960	* if the space being examined only has a wall to the north and empty
1975	* spaces in all the other directions, this will reduce the search space	1961	* spaces in all the other directions, this will reduce the search space
1976	* to only the spaces immediately surrounding the target area, and	1962	* to only the spaces immediately surrounding the target area, and
1977	* won't look 2 spaces south of the target space.	1963	* won't look 2 spaces south of the target space.
1978	*/	1964	*/
1979	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1965	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1966	{
1980	stop = maxfree[i];	1967	stop = maxfree[i];
		1968	continue;
		1969	}
		1970
		1971	/* Note it is intentional that we check ob - the movement type of the
		1972	* head of the object should correspond for the entire object.
		1973	*/
		1974	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1975	continue;
		1976
		1977	if (ob->blocked (m, pos.x, pos.y))
		1978	continue;
		1979
		1980	altern [index++] = i;
1981	}	1981	}
1982		1982
1983	if (!index)	1983	if (!index)
1984	return -1;	1984	return -1;
1985		1985
…		…
1994	*/	1994	*/
1995	int	1995	int
1996	find_first_free_spot (const object *ob, maptile *m, int x, int y)	1996	find_first_free_spot (const object *ob, maptile *m, int x, int y)
1997	{	1997	{
1998	for (int i = 0; i < SIZEOFFREE; i++)	1998	for (int i = 0; i < SIZEOFFREE; i++)
1999	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	1999	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2000	return i;	2000	return i;
2001		2001
2002	return -1;	2002	return -1;
2003	}	2003	}
2004		2004
…		…
2058	object *tmp;	2058	object *tmp;
2059	maptile *mp;	2059	maptile *mp;
2060		2060
2061	MoveType blocked, move_type;	2061	MoveType blocked, move_type;
2062		2062
2063	if (exclude && exclude->head)	2063	if (exclude && exclude->head_ () != exclude)
2064	{	2064	{
2065	exclude = exclude->head;	2065	exclude = exclude->head;
2066	move_type = exclude->move_type;	2066	move_type = exclude->move_type;
2067	}	2067	}
2068	else	2068	else
…		…
2091	max = maxfree[i];	2091	max = maxfree[i];
2092	else if (mflags & P_IS_ALIVE)	2092	else if (mflags & P_IS_ALIVE)
2093	{	2093	{
2094	for (tmp = ms.bot; tmp; tmp = tmp->above)	2094	for (tmp = ms.bot; tmp; tmp = tmp->above)
2095	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2095	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2096	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2096	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2097	break;	2097	break;
2098		2098
2099	if (tmp)	2099	if (tmp)
2100	return freedir[i];	2100	return freedir[i];
2101	}	2101	}
…		…
2281	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2281	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2282	* core dumps if they do.	2282	* core dumps if they do.
2283	*	2283	*
2284	* Add a check so we can't pick up invisible objects (0.93.8)	2284	* Add a check so we can't pick up invisible objects (0.93.8)
2285	*/	2285	*/
2286
2287	int	2286	int
2288	can_pick (const object *who, const object *item)	2287	can_pick (const object *who, const object *item)
2289	{	2288	{
2290	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2289	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2291	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2290	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2294		2293
2295	/*	2294	/*
2296	* create clone from object to another	2295	* create clone from object to another
2297	*/	2296	*/
2298	object *	2297	object *
2299	object_create_clone (object *asrc)	2298	object::deep_clone ()
2300	{	2299	{
2301	object *dst = 0, *tmp, *src, *part, *prev, *item;	2300	assert (("deep_clone called on non-head object", is_head ()));
2302		2301
2303	if (!asrc)	2302	object *dst = clone ();
2304	return 0;
2305		2303
2306	src = asrc;	2304	object *prev = dst;
2307	if (src->head)
2308	src = src->head;
2309
2310	prev = 0;
2311	for (part = src; part; part = part->more)	2305	for (object *part = this->more; part; part = part->more)
2312	{	2306	{
2313	tmp = part->clone ();	2307	object *tmp = part->clone ();
2314	tmp->x -= src->x;
2315	tmp->y -= src->y;
2316
2317	if (!part->head)
2318	{
2319	dst = tmp;
2320	tmp->head = 0;
2321	}
2322	else
2323	tmp->head = dst;	2308	tmp->head = dst;
2324
2325	tmp->more = 0;
2326
2327	if (prev)
2328	prev->more = tmp;	2309	prev->more = tmp;
2329
2330	prev = tmp;	2310	prev = tmp;
2331	}	2311	}
2332		2312
2333	for (item = src->inv; item; item = item->below)	2313	for (object *item = inv; item; item = item->below)
2334	insert_ob_in_ob (object_create_clone (item), dst);	2314	insert_ob_in_ob (item->deep_clone (), dst);
2335		2315
2336	return dst;	2316	return dst;
2337	}
2338
2339	/* GROS - Creates an object using a string representing its content. */
2340	/* Basically, we save the content of the string to a temp file, then call */
2341	/* load_object on it. I admit it is a highly inefficient way to make things, */
2342	/* but it was simple to make and allows reusing the load_object function. */
2343	/* Remember not to use load_object_str in a time-critical situation. */
2344	/* Also remember that multiparts objects are not supported for now. */
2345	object *
2346	load_object_str (const char *obstr)
2347	{
2348	object *op;
2349	char filename[MAX_BUF];
2350
2351	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2352
2353	FILE *tempfile = fopen (filename, "w");
2354
2355	if (tempfile == NULL)
2356	{
2357	LOG (llevError, "Error - Unable to access load object temp file\n");
2358	return NULL;
2359	}
2360
2361	fprintf (tempfile, obstr);
2362	fclose (tempfile);
2363
2364	op = object::create ();
2365
2366	object_thawer thawer (filename);
2367
2368	if (thawer)
2369	load_object (thawer, op, 0);
2370
2371	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2372	CLEAR_FLAG (op, FLAG_REMOVED);
2373
2374	return op;
2375	}	2317	}
2376		2318
2377	/* This returns the first object in who's inventory that	2319	/* This returns the first object in who's inventory that
2378	* has the same type and subtype match.	2320	* has the same type and subtype match.
2379	* returns NULL if no match.	2321	* returns NULL if no match.
…		…
2386	return tmp;	2328	return tmp;
2387		2329
2388	return 0;	2330	return 0;
2389	}	2331	}
2390		2332
2391	/* If ob has a field named key, return the link from the list,	2333	const shstr &
2392	* otherwise return NULL.	2334	object::kv_get (const shstr &key) const
2393	*
2394	* key must be a passed in shared string - otherwise, this won't
2395	* do the desired thing.
2396	*/
2397	key_value *
2398	get_ob_key_link (const object *ob, const char *key)
2399	{	2335	{
2400	for (key_value *link = ob->key_values; link; link = link->next)	2336	for (key_value *kv = key_values; kv; kv = kv->next)
2401	if (link->key == key)	2337	if (kv->key == key)
2402	return link;
2403
2404	return 0;
2405	}
2406
2407	/*
2408	* Returns the value of op has an extra_field for key, or NULL.
2409	*
2410	* The argument doesn't need to be a shared string.
2411	*
2412	* The returned string is shared.
2413	*/
2414	const char *
2415	get_ob_key_value (const object *op, const char *const key)
2416	{
2417	key_value *link;
2418	shstr_cmp canonical_key (key);
2419
2420	if (!canonical_key)
2421	{
2422	/* 1. There being a field named key on any object
2423	* implies there'd be a shared string to find.
2424	* 2. Since there isn't, no object has this field.
2425	* 3. Therefore, *this* object doesn't have this field.
2426	*/
2427	return 0;
2428	}
2429
2430	/* This is copied from get_ob_key_link() above -
2431	* only 4 lines, and saves the function call overhead.
2432	*/
2433	for (link = op->key_values; link; link = link->next)
2434	if (link->key == canonical_key)
2435	return link->value;	2338	return kv->value;
2436		2339
2437	return 0;	2340	return shstr_null;
2438	}	2341	}
2439		2342
2440		2343	void
2441	/*	2344	object::kv_set (const shstr &key, const shstr &value)
2442	* Updates the canonical_key in op to value.
2443	*
2444	* canonical_key is a shared string (value doesn't have to be).
2445	*
2446	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2447	* keys.
2448	*
2449	* Returns TRUE on success.
2450	*/
2451	int
2452	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2453	{	2345	{
2454	key_value *field = NULL, *last = NULL;	2346	for (key_value *kv = key_values; kv; kv = kv->next)
2455		2347	if (kv->key == key)
2456	for (field = op->key_values; field != NULL; field = field->next)
2457	{
2458	if (field->key != canonical_key)
2459	{	2348	{
2460	last = field;	2349	kv->value = value;
2461	continue;	2350	return;
2462	}	2351	}
2463		2352
2464	if (value)	2353	key_value *kv = new key_value;
2465	field->value = value;	2354
2466	else	2355	kv->next = key_values;
		2356	kv->key = key;
		2357	kv->value = value;
		2358
		2359	key_values = kv;
		2360	}
		2361
		2362	void
		2363	object::kv_del (const shstr &key)
		2364	{
		2365	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2366	if ((*kvp)->key == key)
2467	{	2367	{
2468	/* Basically, if the archetype has this key set,	2368	key_value *kv = *kvp;
2469	* we need to store the null value so when we save	2369	*kvp = (*kvp)->next;
2470	* it, we save the empty value so that when we load,	2370	delete kv;
2471	* we get this value back again.	2371	return;
2472	*/
2473	if (get_ob_key_link (&op->arch->clone, canonical_key))
2474	field->value = 0;
2475	else
2476	{
2477	if (last)
2478	last->next = field->next;
2479	else
2480	op->key_values = field->next;
2481
2482	delete field;
2483	}
2484	}	2372	}
2485	return TRUE;
2486	}
2487	/* IF we get here, key doesn't exist */
2488
2489	/* No field, we'll have to add it. */
2490
2491	if (!add_key)
2492	return FALSE;
2493
2494	/* There isn't any good reason to store a null
2495	* value in the key/value list. If the archetype has
2496	* this key, then we should also have it, so shouldn't
2497	* be here. If user wants to store empty strings,
2498	* should pass in ""
2499	*/
2500	if (value == NULL)
2501	return TRUE;
2502
2503	field = new key_value;
2504
2505	field->key = canonical_key;
2506	field->value = value;
2507	/* Usual prepend-addition. */
2508	field->next = op->key_values;
2509	op->key_values = field;
2510
2511	return TRUE;
2512	}
2513
2514	/*
2515	* Updates the key in op to value.
2516	*
2517	* If add_key is FALSE, this will only update existing keys,
2518	* and not add new ones.
2519	* In general, should be little reason FALSE is ever passed in for add_key
2520	*
2521	* Returns TRUE on success.
2522	*/
2523	int
2524	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2525	{
2526	shstr key_ (key);
2527
2528	return set_ob_key_value_s (op, key_, value, add_key);
2529	}	2373	}
2530		2374
2531	object::depth_iterator::depth_iterator (object *container)	2375	object::depth_iterator::depth_iterator (object *container)
2532	: iterator_base (container)	2376	: iterator_base (container)
2533	{	2377	{
…		…
2546	item = item->inv;	2390	item = item->inv;
2547	}	2391	}
2548	else	2392	else
2549	item = item->env;	2393	item = item->env;
2550	}	2394	}
2551
2552		2395
2553	const char *	2396	const char *
2554	object::flag_desc (char *desc, int len) const	2397	object::flag_desc (char *desc, int len) const
2555	{	2398	{
2556	char *p = desc;	2399	char *p = desc;
…		…
2584	{	2427	{
2585	char flagdesc[512];	2428	char flagdesc[512];
2586	char info2[256 * 4];	2429	char info2[256 * 4];
2587	char *p = info;	2430	char *p = info;
2588		2431
2589	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2432	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2590	count, uuid.seq,	2433	count,
		2434	uuid.c_str (),
2591	&name,	2435	&name,
2592	title ? "\",title:\"" : "",	2436	title ? ",title:\"" : "",
2593	title ? (const char *)title : "",	2437	title ? (const char *)title : "",
		2438	title ? "\"" : "",
2594	flag_desc (flagdesc, 512), type);	2439	flag_desc (flagdesc, 512), type);
2595		2440
2596	if (env)	2441	if (!flag[FLAG_REMOVED] && env)
2597	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2442	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2598		2443
2599	if (map)	2444	if (map)
2600	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2445	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2601		2446
…		…
2603	}	2448	}
2604		2449
2605	const char *	2450	const char *
2606	object::debug_desc () const	2451	object::debug_desc () const
2607	{	2452	{
2608	static char info[256 * 4];	2453	static char info[3][256 * 4];
		2454	static int info_idx;
		2455
2609	return debug_desc (info);	2456	return debug_desc (info [++info_idx % 3]);
2610	}
2611
2612	const char *
2613	object::debug_desc2 () const
2614	{
2615	static char info[256 * 4];
2616	return debug_desc (info);
2617	}	2457	}
2618		2458
2619	struct region *	2459	struct region *
2620	object::region () const	2460	object::region () const
2621	{	2461	{
…		…
2624	}	2464	}
2625		2465
2626	const materialtype_t *	2466	const materialtype_t *
2627	object::dominant_material () const	2467	object::dominant_material () const
2628	{	2468	{
2629	if (materialtype_t *mat = name_to_material (materialname))	2469	if (materialtype_t *mt = name_to_material (materialname))
2630	return mat;	2470	return mt;
2631		2471
2632	// omfg this is slow, this has to be temporary :)
2633	shstr unknown ("unknown");
2634
2635	return name_to_material (unknown);	2472	return name_to_material (shstr_unknown);
2636	}	2473	}
2637		2474
2638	void	2475	void
2639	object::open_container (object *new_container)	2476	object::open_container (object *new_container)
2640	{	2477	{
2641	if (container == new_container)	2478	if (container == new_container)
2642	return;	2479	return;
2643		2480
2644	if (contr && contr->ns)
2645	contr->ns->floorbox_reset ();
2646
2647	if (object *old_container = container)	2481	object *old_container = container;
		2482
		2483	if (old_container)
2648	{	2484	{
2649	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2485	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2650	return;	2486	return;
2651		2487
2652	#if 0	2488	#if 0
…		…
2654	if (object *closer = old_container->inv)	2490	if (object *closer = old_container->inv)
2655	if (closer->type == CLOSE_CON)	2491	if (closer->type == CLOSE_CON)
2656	closer->destroy ();	2492	closer->destroy ();
2657	#endif	2493	#endif
2658		2494
		2495	// make sure the container is available
		2496	esrv_send_item (this, old_container);
		2497
2659	old_container->flag [FLAG_APPLIED] = 0;	2498	old_container->flag [FLAG_APPLIED] = false;
2660	container = 0;	2499	container = 0;
2661		2500
		2501	// client needs item update to make it work, client bug requires this to be separate
2662	esrv_update_item (UPD_FLAGS, this, old_container);	2502	esrv_update_item (UPD_FLAGS, this, old_container);
		2503
2663	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2504	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2505	play_sound (sound_find ("chest_close"));
2664	}	2506	}
2665		2507
2666	if (new_container)	2508	if (new_container)
2667	{	2509	{
2668	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2510	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2677	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2519	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2678	new_container->insert (closer);	2520	new_container->insert (closer);
2679	}	2521	}
2680	#endif	2522	#endif
2681		2523
		2524	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2525
		2526	// make sure the container is available, client bug requires this to be separate
		2527	esrv_send_item (this, new_container);
		2528
2682	new_container->flag [FLAG_APPLIED] = 1;	2529	new_container->flag [FLAG_APPLIED] = true;
2683	container = new_container;	2530	container = new_container;
2684		2531
		2532	// client needs flag change
2685	esrv_update_item (UPD_FLAGS, this, new_container);	2533	esrv_update_item (UPD_FLAGS, this, new_container);
2686	esrv_send_inventory (this, new_container);	2534	esrv_send_inventory (this, new_container);
2687	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2535	play_sound (sound_find ("chest_open"));
		2536	}
		2537	// else if (!old_container->env && contr && contr->ns)
		2538	// contr->ns->floorbox_reset ();
		2539	}
		2540
		2541	object *
		2542	object::force_find (const shstr name)
		2543	{
		2544	/* cycle through his inventory to look for the MARK we want to
		2545	* place
		2546	*/
		2547	for (object *tmp = inv; tmp; tmp = tmp->below)
		2548	if (tmp->type == FORCE && tmp->slaying == name)
		2549	return splay (tmp);
		2550
		2551	return 0;
		2552	}
		2553
		2554	void
		2555	object::force_add (const shstr name, int duration)
		2556	{
		2557	if (object *force = force_find (name))
		2558	force->destroy ();
		2559
		2560	object *force = get_archetype (FORCE_NAME);
		2561
		2562	force->slaying = name;
		2563	force->stats.food = 1;
		2564	force->speed_left = -1.f;
		2565
		2566	force->set_speed (duration ? 1.f / duration : 0.f);
		2567	force->flag [FLAG_IS_USED_UP] = true;
		2568	force->flag [FLAG_APPLIED] = true;
		2569
		2570	insert (force);
		2571	}
		2572
		2573	void
		2574	object::play_sound (faceidx sound)
		2575	{
		2576	if (!sound)
		2577	return;
		2578
		2579	if (flag [FLAG_REMOVED])
		2580	return;
		2581
		2582	if (env)
2688	}	2583	{
		2584	if (object *pl = in_player ())
		2585	pl->contr->play_sound (sound);
		2586	}
		2587	else
		2588	map->play_sound (sound, x, y);
2689	}	2589	}
2690		2590
2691

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