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Comparing deliantra/server/common/object.C (file contents):
Revision 1.123 by root, Fri Jan 26 20:59:56 2007 UTC vs.
Revision 1.261 by root, Wed Oct 1 16:04:16 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 ();
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	{
…		…
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	remove_friendly_object (this);	970	remove_friendly_object (this);
825		971
826	if (!flag [FLAG_REMOVED])
827	remove ();	972	remove ();
828		973
829	destroy_inv (true);	974	attachable::do_destroy ();
830		975
831	deactivate ();	976	deactivate ();
832	unlink ();	977	unlink ();
833		978
834	flag [FLAG_FREED] = 1;	979	flag [FLAG_FREED] = 1;
835		980
836	// hack to ensure that freed objects still have a valid map	981	// hack to ensure that freed objects still have a valid map
837	{
838	static maptile *freed_map; // freed objects are moved here to avoid crashes
839
840	if (!freed_map)
841	{
842	freed_map = new maptile;
843
844	freed_map->name = "/internal/freed_objects_map";
845	freed_map->width = 3;
846	freed_map->height = 3;
847
848	freed_map->alloc ();
849	freed_map->in_memory = MAP_IN_MEMORY;
850	}
851
852	map = freed_map;	982	map = &freed_map;
853	x = 1;	983	x = 1;
854	y = 1;	984	y = 1;
855	}
856
857	head = 0;
858		985
859	if (more)	986	if (more)
860	{	987	{
861	more->destroy ();	988	more->destroy ();
862	more = 0;	989	more = 0;
863	}	990	}
864		991
		992	head = 0;
		993
865	// clear those pointers that likely might have circular references to us	994	// clear those pointers that likely might cause circular references
866	owner = 0;	995	owner = 0;
867	enemy = 0;	996	enemy = 0;
868	attacked_by = 0;	997	attacked_by = 0;
		998	current_weapon = 0;
869	}	999	}
870		1000
871	void	1001	void
872	object::destroy (bool destroy_inventory)	1002	object::destroy ()
873	{	1003	{
874	if (destroyed ())	1004	if (destroyed ())
875	return;	1005	return;
876		1006
877	if (destroy_inventory)	1007	if (!is_head () && !head->destroyed ())
		1008	{
		1009	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1010	head->destroy ();
		1011	return;
		1012	}
		1013
878	destroy_inv (false);	1014	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
879		1021
880	attachable::destroy ();	1022	attachable::destroy ();
881	}
882
883	/*
884	* sub_weight() recursively (outwards) subtracts a number from the
885	* weight of an object (and what is carried by it's environment(s)).
886	*/
887	void
888	sub_weight (object *op, signed long weight)
889	{
890	while (op != NULL)
891	{
892	if (op->type == CONTAINER)
893	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
894
895	op->carrying -= weight;
896	op = op->env;
897	}
898	}	1023	}
899		1024
900	/* op->remove ():	1025	/* op->remove ():
901	* 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
902	* 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
903	* object will have no environment. If the object previously had an	1028	* object will have no environment. If the object previously had an
904	* environment, the x and y coordinates will be updated to	1029	* environment, the x and y coordinates will be updated to
905	* the previous environment.	1030	* the previous environment.
906	*/	1031	*/
907	void	1032	void
908	object::remove_slow ()	1033	object::do_remove ()
909	{	1034	{
910	object *tmp, *last = 0;	1035	object *tmp, *last = 0;
911	object *otmp;	1036	object *otmp;
912		1037
913	if (QUERY_FLAG (this, FLAG_REMOVED))	1038	if (flag [FLAG_REMOVED])
914	return;	1039	return;
915		1040
916	SET_FLAG (this, FLAG_REMOVED);
917	INVOKE_OBJECT (REMOVE, this);	1041	INVOKE_OBJECT (REMOVE, this);
		1042
		1043	flag [FLAG_REMOVED] = true;
918		1044
919	if (more)	1045	if (more)
920	more->remove ();	1046	more->remove ();
921		1047
922	/*	1048	/*
923	* In this case, the object to be removed is in someones	1049	* In this case, the object to be removed is in someones
924	* inventory.	1050	* inventory.
925	*/	1051	*/
926	if (env)	1052	if (env)
927	{	1053	{
928	if (nrof)	1054	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
929	sub_weight (env, weight * nrof);	1055	if (object *pl = visible_to ())
930	else	1056	esrv_del_item (pl->contr, count);
931	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;
932		1076
933	/* 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
934	* made to players inventory. If set, avoiding the call	1078	* made to players inventory. If set, avoiding the call
935	* to save cpu time.	1079	* to save cpu time.
936	*/	1080	*/
937	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))
938	otmp->update_stats ();	1082	otmp->update_stats ();
939
940	if (above)
941	above->below = below;
942	else
943	env->inv = below;
944
945	if (below)
946	below->above = above;
947
948	/* we set up values so that it could be inserted into
949	* the map, but we don't actually do that - it is up
950	* to the caller to decide what we want to do.
951	*/
952	x = env->x, y = env->y;
953	map = env->map;
954	above = 0, below = 0;
955	env = 0;
956	}	1083	}
957	else if (map)	1084	else if (map)
958	{	1085	{
959	if (type == PLAYER)
960	{
961	--map->players;
962	map->touch ();
963	}
964
965	map->dirty = true;	1086	map->dirty = true;
966	mapspace &ms = this->ms ();	1087	mapspace &ms = this->ms ();
967		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
968	/* link the object above us */	1111	/* link the object above us */
969	if (above)	1112	// re-link, make sure compiler can easily use cmove
970	above->below = below;	1113	*(above ? &above->below : &ms.top) = below;
971	else	1114	*(below ? &below->above : &ms.bot) = above;
972	ms.top = below; /* we were top, set new top */
973
974	/* Relink the object below us, if there is one */
975	if (below)
976	below->above = above;
977	else
978	{
979	/* Nothing below, which means we need to relink map object for this space
980	* use translated coordinates in case some oddness with map tiling is
981	* evident
982	*/
983	if (GET_MAP_OB (map, x, y) != this)
984	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 ());
985
986	ms.bot = above; /* goes on above it. */
987	}
988		1115
989	above = 0;	1116	above = 0;
990	below = 0;	1117	below = 0;
991		1118
		1119	ms.flags_ = 0;
		1120
992	if (map->in_memory == MAP_SAVING)	1121	if (map->in_memory == MAP_SAVING)
993	return;	1122	return;
994		1123
995	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	}
996		1141
997	for (tmp = ms.bot; tmp; tmp = tmp->above)	1142	for (tmp = ms.bot; tmp; tmp = tmp->above)
998	{	1143	{
999	/* 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
1000	* being removed.	1145	* being removed.
1001	*/	1146	*/
1002
1003	if (tmp->type == PLAYER && tmp != this)
1004	{
1005	/* If a container that the player is currently using somehow gets
1006	* removed (most likely destroyed), update the player view
1007	* appropriately.
1008	*/
1009	if (tmp->container == this)
1010	{
1011	flag [FLAG_APPLIED] = 0;
1012	tmp->container = 0;
1013	}
1014
1015	if (tmp->contr->ns)
1016	tmp->contr->ns->floorbox_update ();
1017	}
1018		1147
1019	/* See if object moving off should effect something */	1148	/* See if object moving off should effect something */
1020	if (check_walk_off	1149	if (check_walk_off
1021	&& ((move_type & tmp->move_off)	1150	&& ((move_type & tmp->move_off)
1022	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1151	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1025		1154
1026	if (destroyed ())	1155	if (destroyed ())
1027	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 ());
1028	}	1157	}
1029		1158
1030	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1031	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1032	if (tmp->above == tmp)
1033	tmp->above = 0;
1034
1035	last = tmp;	1159	last = tmp;
1036	}	1160	}
1037
1038	/* last == NULL if there are no objects on this space */
1039	//TODO: this makes little sense, why only update the topmost object?
1040	if (!last)
1041	map->at (x, y).flags_ = 0;
1042	else
1043	update_object (last, UP_OBJ_REMOVE);
1044		1161
1045	if (flag [FLAG_BLOCKSVIEW] || glow_radius)	1162	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1046	update_all_los (map, x, y);	1163	update_all_los (map, x, y);
1047	}	1164	}
1048	}	1165	}
…		…
1059	merge_ob (object *op, object *top)	1176	merge_ob (object *op, object *top)
1060	{	1177	{
1061	if (!op->nrof)	1178	if (!op->nrof)
1062	return 0;	1179	return 0;
1063		1180
1064	if (top)	1181	if (!top)
1065	for (top = op; top && top->above; top = top->above)	1182	for (top = op; top && top->above; top = top->above)
1066	;	1183	;
1067		1184
1068	for (; top; top = top->below)	1185	for (; top; top = top->below)
1069	{
1070	if (top == op)
1071	continue;
1072
1073	if (object::can_merge (op, top))	1186	if (object::can_merge (op, top))
1074	{	1187	{
1075	top->nrof += op->nrof;	1188	top->nrof += op->nrof;
1076		1189
1077	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1190	if (object *pl = top->visible_to ())
1078	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
1079	op->destroy ();	1196	op->destroy ();
		1197
1080	return top;	1198	return top;
1081	}	1199	}
1082	}
1083		1200
1084	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	}
1085	}	1225	}
1086		1226
1087	/*	1227	/*
1088	* 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
1089	* job preparing multi-part monsters.	1229	* job preparing multi-part monsters.
1090	*/	1230	*/
1091	object *	1231	object *
1092	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)
1093	{	1233	{
		1234	op->remove ();
		1235
1094	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1236	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1095	{	1237	{
1096	tmp->x = x + tmp->arch->clone.x;	1238	tmp->x = x + tmp->arch->x;
1097	tmp->y = y + tmp->arch->clone.y;	1239	tmp->y = y + tmp->arch->y;
1098	}	1240	}
1099		1241
1100	return insert_ob_in_map (op, m, originator, flag);	1242	return insert_ob_in_map (op, m, originator, flag);
1101	}	1243	}
1102		1244
…		…
1121	* just 'op' otherwise	1263	* just 'op' otherwise
1122	*/	1264	*/
1123	object *	1265	object *
1124	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)
1125	{	1267	{
1126	object *tmp, *top, *floor = NULL;
1127
1128	if (QUERY_FLAG (op, FLAG_FREED))
1129	{
1130	LOG (llevError, "Trying to insert freed object!\n");
1131	return NULL;
1132	}
1133
1134	if (!QUERY_FLAG (op, FLAG_REMOVED))
1135	LOG (llevError, "Trying to insert already inserted object %s\n", op->debug_desc ());
1136
1137	op->remove ();	1268	op->remove ();
1138		1269
1139	if (!m)	1270	if (m == &freed_map)//D TODO: remove soon
1140	{	1271	{//D
1141	char *dump = dump_object (op);	1272	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1142	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1143	free (dump);
1144	return op;
1145	}	1273	}//D
1146
1147	if (out_of_map (m, op->x, op->y))
1148	{
1149	char *dump = dump_object (op);
1150	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1151	#ifdef MANY_CORES
1152	/* Better to catch this here, as otherwise the next use of this object
1153	* is likely to cause a crash. Better to find out where it is getting
1154	* improperly inserted.
1155	*/
1156	abort ();
1157	#endif
1158	free (dump);
1159	return op;
1160	}
1161
1162	if (object *more = op->more)
1163	{
1164	if (!insert_ob_in_map (more, m, originator, flag))
1165	{
1166	if (!op->head)
1167	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1168
1169	return 0;
1170	}
1171	}
1172
1173	CLEAR_FLAG (op, FLAG_REMOVED);
1174		1274
1175	/* Ideally, the caller figures this out. However, it complicates a lot	1275	/* Ideally, the caller figures this out. However, it complicates a lot
1176	* of areas of callers (eg, anything that uses find_free_spot would now	1276	* of areas of callers (eg, anything that uses find_free_spot would now
1177	* need extra work	1277	* need extra work
1178	*/	1278	*/
1179	if (!xy_normalise (m, op->x, op->y))	1279	if (!xy_normalise (m, op->x, op->y))
		1280	{
		1281	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1180	return 0;	1282	return 0;
		1283	}
		1284
		1285	if (object *more = op->more)
		1286	if (!insert_ob_in_map (more, m, originator, flag))
		1287	return 0;
		1288
		1289	CLEAR_FLAG (op, FLAG_REMOVED);
1181		1290
1182	op->map = m;	1291	op->map = m;
1183	mapspace &ms = op->ms ();	1292	mapspace &ms = op->ms ();
1184		1293
1185	/* this has to be done after we translate the coordinates.	1294	/* this has to be done after we translate the coordinates.
1186	*/	1295	*/
1187	if (op->nrof && !(flag & INS_NO_MERGE))	1296	if (op->nrof && !(flag & INS_NO_MERGE))
1188	for (tmp = ms.bot; tmp; tmp = tmp->above)	1297	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1189	if (object::can_merge (op, tmp))	1298	if (object::can_merge (op, tmp))
1190	{	1299	{
		1300	// TODO: we actually want to update tmp, not op,
		1301	// but some caller surely breaks when we return tmp
		1302	// from here :/
1191	op->nrof += tmp->nrof;	1303	op->nrof += tmp->nrof;
1192	tmp->destroy ();	1304	tmp->destroy ();
1193	}	1305	}
1194		1306
1195	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1307	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1204	{	1316	{
1205	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1317	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1206	abort ();	1318	abort ();
1207	}	1319	}
1208		1320
		1321	if (!originator->is_on_map ())
		1322	LOG (llevDebug | logBacktrace, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1323	op->debug_desc (), originator->debug_desc ());
		1324
1209	op->above = originator;	1325	op->above = originator;
1210	op->below = originator->below;	1326	op->below = originator->below;
1211
1212	if (op->below)
1213	op->below->above = op;
1214	else
1215	ms.bot = op;
1216
1217	/* since *below* originator, no need to update top */
1218	originator->below = op;	1327	originator->below = op;
		1328
		1329	*(op->below ? &op->below->above : &ms.bot) = op;
1219	}	1330	}
1220	else	1331	else
1221	{	1332	{
1222	top = ms.bot;	1333	object *floor = 0;
		1334	object *top = ms.top;
1223		1335
1224	/* If there are other objects, then */	1336	/* If there are other objects, then */
1225	if ((!(flag & INS_MAP_LOAD)) && top)	1337	if (top)
1226	{	1338	{
1227	object *last = 0;
1228
1229	/*	1339	/*
1230	* If there are multiple objects on this space, we do some trickier handling.	1340	* If there are multiple objects on this space, we do some trickier handling.
1231	* We've already dealt with merging if appropriate.	1341	* We've already dealt with merging if appropriate.
1232	* Generally, we want to put the new object on top. But if	1342	* Generally, we want to put the new object on top. But if
1233	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1343	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1236	* once we get to them. This reduces the need to traverse over all of	1346	* once we get to them. This reduces the need to traverse over all of
1237	* them when adding another one - this saves quite a bit of cpu time	1347	* them when adding another one - this saves quite a bit of cpu time
1238	* when lots of spells are cast in one area. Currently, it is presumed	1348	* when lots of spells are cast in one area. Currently, it is presumed
1239	* that flying non pickable objects are spell objects.	1349	* that flying non pickable objects are spell objects.
1240	*/	1350	*/
1241	for (top = ms.bot; top; top = top->above)	1351	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1242	{	1352	{
1243	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1353	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1244	floor = top;	1354	floor = tmp;
1245		1355
1246	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1356	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1247	{	1357	{
1248	/* We insert above top, so we want this object below this */	1358	/* We insert above top, so we want this object below this */
1249	top = top->below;	1359	top = tmp->below;
1250	break;	1360	break;
1251	}	1361	}
1252		1362
1253	last = top;	1363	top = tmp;
1254	}	1364	}
1255
1256	/* Don't want top to be NULL, so set it to the last valid object */
1257	top = last;
1258		1365
1259	/* We let update_position deal with figuring out what the space	1366	/* We let update_position deal with figuring out what the space
1260	* looks like instead of lots of conditions here.	1367	* looks like instead of lots of conditions here.
1261	* makes things faster, and effectively the same result.	1368	* makes things faster, and effectively the same result.
1262	*/	1369	*/
1263		1370
1264	/* Have object 'fall below' other objects that block view.	1371	/* Have object 'fall below' other objects that block view.
1265	* Unless those objects are exits, type 66	1372	* Unless those objects are exits.
1266	* If INS_ON_TOP is used, don't do this processing	1373	* If INS_ON_TOP is used, don't do this processing
1267	* Need to find the object that in fact blocks view, otherwise	1374	* Need to find the object that in fact blocks view, otherwise
1268	* stacking is a bit odd.	1375	* stacking is a bit odd.
1269	*/	1376	*/
1270	if (!(flag & INS_ON_TOP)	1377	if (!(flag & INS_ON_TOP)
1271	&& ms.flags () & P_BLOCKSVIEW	1378	&& ms.flags () & P_BLOCKSVIEW
1272	&& (op->face && !op->face->visibility))	1379	&& (op->face && !faces [op->face].visibility))
1273	{	1380	{
		1381	object *last;
		1382
1274	for (last = top; last != floor; last = last->below)	1383	for (last = top; last != floor; last = last->below)
1275	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1384	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1276	break;	1385	break;
1277		1386
1278	/* Check to see if we found the object that blocks view,	1387	/* Check to see if we found the object that blocks view,
…		…
1283	if (last && last->below && last != floor)	1392	if (last && last->below && last != floor)
1284	top = last->below;	1393	top = last->below;
1285	}	1394	}
1286	} /* If objects on this space */	1395	} /* If objects on this space */
1287		1396
1288	if (flag & INS_MAP_LOAD)
1289	top = ms.top;
1290
1291	if (flag & INS_ABOVE_FLOOR_ONLY)	1397	if (flag & INS_ABOVE_FLOOR_ONLY)
1292	top = floor;	1398	top = floor;
1293		1399
1294	/* Top is the object that our object (op) is going to get inserted above.	1400	// insert object above top, or bottom-most if top = 0
1295	*/
1296
1297	/* First object on this space */
1298	if (!top)	1401	if (!top)
1299	{	1402	{
		1403	op->below = 0;
1300	op->above = ms.bot;	1404	op->above = ms.bot;
1301
1302	if (op->above)
1303	op->above->below = op;
1304
1305	op->below = 0;
1306	ms.bot = op;	1405	ms.bot = op;
		1406
		1407	*(op->above ? &op->above->below : &ms.top) = op;
1307	}	1408	}
1308	else	1409	else
1309	{ /* get inserted into the stack above top */	1410	{
1310	op->above = top->above;	1411	op->above = top->above;
1311
1312	if (op->above)
1313	op->above->below = op;	1412	top->above = op;
1314		1413
1315	op->below = top;	1414	op->below = top;
1316	top->above = op;	1415	*(op->above ? &op->above->below : &ms.top) = op;
1317	}	1416	}
1318		1417	}
1319	if (!op->above)
1320	ms.top = op;
1321	} /* else not INS_BELOW_ORIGINATOR */
1322		1418
1323	if (op->type == PLAYER)	1419	if (op->type == PLAYER)
1324	{	1420	{
1325	op->contr->do_los = 1;	1421	op->contr->do_los = 1;
1326	++op->map->players;	1422	++op->map->players;
1327	op->map->touch ();	1423	op->map->touch ();
1328	}	1424	}
1329		1425
1330	op->map->dirty = true;	1426	op->map->dirty = true;
1331		1427
1332	/* If we have a floor, we know the player, if any, will be above
1333	* it, so save a few ticks and start from there.
1334	*/
1335	if (!(flag & INS_MAP_LOAD))
1336	if (object *pl = ms.player ())	1428	if (object *pl = ms.player ())
		1429	//TODO: the floorbox prev/next might need updating
		1430	//esrv_send_item (pl, op);
		1431	//TODO: update floorbox to preserve ordering
1337	if (pl->contr->ns)	1432	if (pl->contr->ns)
1338	pl->contr->ns->floorbox_update ();	1433	pl->contr->ns->floorbox_update ();
1339		1434
1340	/* If this object glows, it may affect lighting conditions that are	1435	/* If this object glows, it may affect lighting conditions that are
1341	* visible to others on this map. But update_all_los is really	1436	* visible to others on this map. But update_all_los is really
1342	* an inefficient way to do this, as it means los for all players	1437	* an inefficient way to do this, as it means los for all players
1343	* on the map will get recalculated. The players could very well	1438	* on the map will get recalculated. The players could very well
…		…
1362	* blocked() and wall() work properly), and these flags are updated by	1457	* blocked() and wall() work properly), and these flags are updated by
1363	* update_object().	1458	* update_object().
1364	*/	1459	*/
1365		1460
1366	/* if this is not the head or flag has been passed, don't check walk on status */	1461	/* if this is not the head or flag has been passed, don't check walk on status */
1367	if (!(flag & INS_NO_WALK_ON) && !op->head)	1462	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1368	{	1463	{
1369	if (check_move_on (op, originator))	1464	if (check_move_on (op, originator))
1370	return 0;	1465	return 0;
1371		1466
1372	/* If we are a multi part object, lets work our way through the check	1467	/* If we are a multi part object, lets work our way through the check
1373	* walk on's.	1468	* walk on's.
1374	*/	1469	*/
1375	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1470	for (object *tmp = op->more; tmp; tmp = tmp->more)
1376	if (check_move_on (tmp, originator))	1471	if (check_move_on (tmp, originator))
1377	return 0;	1472	return 0;
1378	}	1473	}
1379		1474
1380	return op;	1475	return op;
…		…
1385	* op is the object to insert it under: supplies x and the map.	1480	* op is the object to insert it under: supplies x and the map.
1386	*/	1481	*/
1387	void	1482	void
1388	replace_insert_ob_in_map (const char *arch_string, object *op)	1483	replace_insert_ob_in_map (const char *arch_string, object *op)
1389	{	1484	{
1390	object *tmp, *tmp1;
1391
1392	/* first search for itself and remove any old instances */	1485	/* first search for itself and remove any old instances */
1393		1486
1394	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1487	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1395	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1488	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1396	tmp->destroy ();	1489	tmp->destroy ();
1397		1490
1398	tmp1 = arch_to_object (archetype::find (arch_string));	1491	object *tmp = arch_to_object (archetype::find (arch_string));
1399		1492
1400	tmp1->x = op->x;	1493	tmp->x = op->x;
1401	tmp1->y = op->y;	1494	tmp->y = op->y;
		1495
1402	insert_ob_in_map (tmp1, op->map, op, 0);	1496	insert_ob_in_map (tmp, op->map, op, 0);
1403	}	1497	}
1404		1498
1405	object *	1499	object *
1406	object::insert_at (object *where, object *originator, int flags)	1500	object::insert_at (object *where, object *originator, int flags)
1407	{	1501	{
		1502	if (where->env)
		1503	return where->env->insert (this);
		1504	else
1408	where->map->insert (this, where->x, where->y, originator, flags);	1505	return where->map->insert (this, where->x, where->y, originator, flags);
1409	}	1506	}
1410		1507
1411	/*	1508	/*
1412	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1413	* is returned contains nr objects, and the remaining parts contains
1414	* the rest (or is removed and freed if that number is 0).
1415	* On failure, NULL is returned, and the reason put into the
1416	* global static errmsg array.
1417	*/
1418	object *
1419	get_split_ob (object *orig_ob, uint32 nr)
1420	{
1421	object *newob;
1422	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1423
1424	if (orig_ob->nrof < nr)
1425	{
1426	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1427	return NULL;
1428	}
1429
1430	newob = object_create_clone (orig_ob);
1431
1432	if ((orig_ob->nrof -= nr) < 1)
1433	orig_ob->destroy (1);
1434	else if (!is_removed)
1435	{
1436	if (orig_ob->env != NULL)
1437	sub_weight (orig_ob->env, orig_ob->weight * nr);
1438	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1439	{
1440	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1441	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1442	return NULL;
1443	}
1444	}
1445
1446	newob->nrof = nr;
1447
1448	return newob;
1449	}
1450
1451	/*
1452	* decrease_ob_nr(object, number) decreases a specified number from	1509	* decrease(object, number) decreases a specified number from
1453	* the amount of an object. If the amount reaches 0, the object	1510	* the amount of an object. If the amount reaches 0, the object
1454	* is subsequently removed and freed.	1511	* is subsequently removed and freed.
1455	*	1512	*
1456	* Return value: 'op' if something is left, NULL if the amount reached 0	1513	* Return value: 'op' if something is left, NULL if the amount reached 0
1457	*/	1514	*/
		1515	bool
		1516	object::decrease (sint32 nr)
		1517	{
		1518	if (!nr)
		1519	return true;
1458		1520
		1521	nr = min (nr, nrof);
		1522
		1523	if (nrof > nr)
		1524	{
		1525	nrof -= nr;
		1526	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1527
		1528	if (object *pl = visible_to ())
		1529	esrv_update_item (UPD_NROF, pl, this);
		1530
		1531	return true;
		1532	}
		1533	else
		1534	{
		1535	destroy ();
		1536	return false;
		1537	}
		1538	}
		1539
		1540	/*
		1541	* split(ob,nr) splits up ob into two parts. The part which
		1542	* is returned contains nr objects, and the remaining parts contains
		1543	* the rest (or is removed and returned if that number is 0).
		1544	* On failure, NULL is returned.
		1545	*/
1459	object *	1546	object *
1460	decrease_ob_nr (object *op, uint32 i)	1547	object::split (sint32 nr)
1461	{	1548	{
1462	object *tmp;	1549	int have = number_of ();
1463		1550
1464	if (i == 0) /* objects with op->nrof require this check */	1551	if (have < nr)
1465	return op;	1552	return 0;
1466		1553	else if (have == nr)
1467	if (i > op->nrof)
1468	i = op->nrof;
1469
1470	if (QUERY_FLAG (op, FLAG_REMOVED))
1471	op->nrof -= i;
1472	else if (op->env)
1473	{	1554	{
1474	/* is this object in the players inventory, or sub container
1475	* therein?
1476	*/
1477	tmp = op->in_player ();
1478	/* nope. Is this a container the player has opened?
1479	* If so, set tmp to that player.
1480	* IMO, searching through all the players will mostly
1481	* likely be quicker than following op->env to the map,
1482	* and then searching the map for a player.
1483	*/
1484	if (!tmp)
1485	for_all_players (pl)
1486	if (pl->ob->container == op->env)
1487	{
1488	tmp = pl->ob;
1489	break;
1490	}
1491
1492	if (i < op->nrof)
1493	{
1494	sub_weight (op->env, op->weight * i);
1495	op->nrof -= i;
1496	if (tmp)
1497	esrv_send_item (tmp, op);
1498	}
1499	else
1500	{
1501	op->remove ();	1555	remove ();
1502	op->nrof = 0;	1556	return this;
1503	if (tmp)
1504	esrv_del_item (tmp->contr, op->count);
1505	}
1506	}	1557	}
1507	else	1558	else
1508	{	1559	{
1509	object *above = op->above;	1560	decrease (nr);
1510		1561
1511	if (i < op->nrof)	1562	object *op = deep_clone ();
1512	op->nrof -= i;	1563	op->nrof = nr;
1513	else
1514	{
1515	op->remove ();
1516	op->nrof = 0;
1517	}
1518
1519	/* Since we just removed op, op->above is null */
1520	for (tmp = above; tmp; tmp = tmp->above)
1521	if (tmp->type == PLAYER)
1522	{
1523	if (op->nrof)
1524	esrv_send_item (tmp, op);
1525	else
1526	esrv_del_item (tmp->contr, op->count);
1527	}
1528	}
1529
1530	if (op->nrof)
1531	return op;	1564	return op;
1532	else
1533	{
1534	op->destroy ();
1535	return 0;
1536	}
1537	}
1538
1539	/*
1540	* add_weight(object, weight) adds the specified weight to an object,
1541	* and also updates how much the environment(s) is/are carrying.
1542	*/
1543
1544	void
1545	add_weight (object *op, signed long weight)
1546	{
1547	while (op != NULL)
1548	{
1549	if (op->type == CONTAINER)
1550	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1551
1552	op->carrying += weight;
1553	op = op->env;
1554	}	1565	}
1555	}	1566	}
1556		1567
1557	object *	1568	object *
1558	insert_ob_in_ob (object *op, object *where)	1569	insert_ob_in_ob (object *op, object *where)
…		…
1563	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1574	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1564	free (dump);	1575	free (dump);
1565	return op;	1576	return op;
1566	}	1577	}
1567		1578
1568	if (where->head)	1579	if (where->head_ () != where)
1569	{	1580	{
1570	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1581	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1571	where = where->head;	1582	where = where->head;
1572	}	1583	}
1573		1584
1574	return where->insert (op);	1585	return where->insert (op);
1575	}	1586	}
…		…
1580	* inside the object environment.	1591	* inside the object environment.
1581	*	1592	*
1582	* The function returns now pointer to inserted item, and return value can	1593	* The function returns now pointer to inserted item, and return value can
1583	* be != op, if items are merged. -Tero	1594	* be != op, if items are merged. -Tero
1584	*/	1595	*/
1585
1586	object *	1596	object *
1587	object::insert (object *op)	1597	object::insert (object *op)
1588	{	1598	{
1589	object *tmp, *otmp;
1590
1591	if (!QUERY_FLAG (op, FLAG_REMOVED))
1592	op->remove ();
1593
1594	if (op->more)	1599	if (op->more)
1595	{	1600	{
1596	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1601	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1597	return op;	1602	return op;
1598	}	1603	}
1599		1604
1600	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1605	op->remove ();
1601	CLEAR_FLAG (op, FLAG_REMOVED);	1606
		1607	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1608
1602	if (op->nrof)	1609	if (op->nrof)
1603	{
1604	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1610	for (object *tmp = inv; tmp; tmp = tmp->below)
1605	if (object::can_merge (tmp, op))	1611	if (object::can_merge (tmp, op))
1606	{	1612	{
1607	/* return the original object and remove inserted object	1613	/* return the original object and remove inserted object
1608	(client needs the original object) */	1614	(client needs the original object) */
1609	tmp->nrof += op->nrof;	1615	tmp->nrof += op->nrof;
1610	/* Weight handling gets pretty funky. Since we are adding to	1616
1611	* tmp->nrof, we need to increase the weight.	1617	if (object *pl = tmp->visible_to ())
1612	*/	1618	esrv_update_item (UPD_NROF, pl, tmp);
		1619
1613	add_weight (this, op->weight * op->nrof);	1620	adjust_weight (this, op->total_weight ());
1614	SET_FLAG (op, FLAG_REMOVED);	1621
1615	op->destroy (); /* free the inserted object */	1622	op->destroy ();
1616	op = tmp;	1623	op = tmp;
1617	op->remove (); /* and fix old object's links */	1624	goto inserted;
1618	CLEAR_FLAG (op, FLAG_REMOVED);
1619	break;
1620	}	1625	}
1621		1626
1622	/* I assume combined objects have no inventory	1627	op->owner = 0; // it's his/hers now. period.
1623	* We add the weight - this object could have just been removed
1624	* (if it was possible to merge). calling remove_ob will subtract
1625	* the weight, so we need to add it in again, since we actually do
1626	* the linking below
1627	*/
1628	add_weight (this, op->weight * op->nrof);
1629	}
1630	else
1631	add_weight (this, (op->weight + op->carrying));
1632
1633	otmp = this->in_player ();
1634	if (otmp && otmp->contr)
1635	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1636	otmp->update_stats ();
1637
1638	op->map = 0;	1628	op->map = 0;
1639	op->env = this;	1629	op->x = 0;
		1630	op->y = 0;
		1631
1640	op->above = 0;	1632	op->above = 0;
1641	op->below = 0;	1633	op->below = inv;
1642	op->x = 0, op->y = 0;	1634	op->env = this;
1643		1635
		1636	if (inv)
		1637	inv->above = op;
		1638
		1639	inv = op;
		1640
		1641	op->flag [FLAG_REMOVED] = 0;
		1642
		1643	if (object *pl = op->visible_to ())
		1644	esrv_send_item (pl, op);
		1645
		1646	adjust_weight (this, op->total_weight ());
		1647
		1648	inserted:
1644	/* reset the light list and los of the players on the map */	1649	/* reset the light list and los of the players on the map */
1645	if ((op->glow_radius != 0) && map)	1650	if (op->glow_radius && map && map->darkness)
1646	{
1647	#ifdef DEBUG_LIGHTS
1648	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1649	#endif /* DEBUG_LIGHTS */
1650	if (map->darkness)
1651	update_all_los (map, x, y);	1651	update_all_los (map, x, y);
1652	}
1653		1652
1654	/* Client has no idea of ordering so lets not bother ordering it here.	1653	// if this is a player's inventory, update stats
1655	* It sure simplifies this function...	1654	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1656	*/	1655	update_stats ();
1657	if (!inv)
1658	inv = op;
1659	else
1660	{
1661	op->below = inv;
1662	op->below->above = op;
1663	inv = op;
1664	}
1665		1656
1666	INVOKE_OBJECT (INSERT, this);	1657	INVOKE_OBJECT (INSERT, this);
1667		1658
1668	return op;	1659	return op;
1669	}	1660	}
…		…
1797	LOG (llevError, "Present_arch called outside map.\n");	1788	LOG (llevError, "Present_arch called outside map.\n");
1798	return NULL;	1789	return NULL;
1799	}	1790	}
1800		1791
1801	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1792	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1802	if (tmp->arch == at)	1793	if (tmp->arch->archname == at->archname)
1803	return tmp;	1794	return tmp;
1804		1795
1805	return NULL;	1796	return NULL;
1806	}	1797	}
1807		1798
…		…
1871	* The first matching object is returned, or NULL if none.	1862	* The first matching object is returned, or NULL if none.
1872	*/	1863	*/
1873	object *	1864	object *
1874	present_arch_in_ob (const archetype *at, const object *op)	1865	present_arch_in_ob (const archetype *at, const object *op)
1875	{	1866	{
1876	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1867	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1877	if (tmp->arch == at)	1868	if (tmp->arch->archname == at->archname)
1878	return tmp;	1869	return tmp;
1879		1870
1880	return NULL;	1871	return NULL;
1881	}	1872	}
1882		1873
…		…
1884	* activate recursively a flag on an object inventory	1875	* activate recursively a flag on an object inventory
1885	*/	1876	*/
1886	void	1877	void
1887	flag_inv (object *op, int flag)	1878	flag_inv (object *op, int flag)
1888	{	1879	{
1889	if (op->inv)
1890	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1880	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1891	{	1881	{
1892	SET_FLAG (tmp, flag);	1882	SET_FLAG (tmp, flag);
1893	flag_inv (tmp, flag);	1883	flag_inv (tmp, flag);
1894	}	1884	}
1895	}	1885	}
1896		1886
1897	/*	1887	/*
1898	* deactivate recursively a flag on an object inventory	1888	* deactivate recursively a flag on an object inventory
1899	*/	1889	*/
1900	void	1890	void
1901	unflag_inv (object *op, int flag)	1891	unflag_inv (object *op, int flag)
1902	{	1892	{
1903	if (op->inv)
1904	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1893	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1905	{	1894	{
1906	CLEAR_FLAG (tmp, flag);	1895	CLEAR_FLAG (tmp, flag);
1907	unflag_inv (tmp, flag);	1896	unflag_inv (tmp, flag);
1908	}	1897	}
1909	}
1910
1911	/*
1912	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1913	* all it's inventory (recursively).
1914	* If checksums are used, a player will get set_cheat called for
1915	* him/her-self and all object carried by a call to this function.
1916	*/
1917	void
1918	set_cheat (object *op)
1919	{
1920	SET_FLAG (op, FLAG_WAS_WIZ);
1921	flag_inv (op, FLAG_WAS_WIZ);
1922	}	1898	}
1923		1899
1924	/*	1900	/*
1925	* find_free_spot(object, map, x, y, start, stop) will search for	1901	* find_free_spot(object, map, x, y, start, stop) will search for
1926	* a spot at the given map and coordinates which will be able to contain	1902	* a spot at the given map and coordinates which will be able to contain
…		…
1928	* to search (see the freearr_x/y[] definition).	1904	* to search (see the freearr_x/y[] definition).
1929	* It returns a random choice among the alternatives found.	1905	* It returns a random choice among the alternatives found.
1930	* start and stop are where to start relative to the free_arr array (1,9	1906	* start and stop are where to start relative to the free_arr array (1,9
1931	* does all 4 immediate directions). This returns the index into the	1907	* does all 4 immediate directions). This returns the index into the
1932	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1908	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1933	* Note - this only checks to see if there is space for the head of the
1934	* object - if it is a multispace object, this should be called for all
1935	* pieces.
1936	* Note2: This function does correctly handle tiled maps, but does not	1909	* Note: This function does correctly handle tiled maps, but does not
1937	* inform the caller. However, insert_ob_in_map will update as	1910	* inform the caller. However, insert_ob_in_map will update as
1938	* necessary, so the caller shouldn't need to do any special work.	1911	* necessary, so the caller shouldn't need to do any special work.
1939	* Note - updated to take an object instead of archetype - this is necessary	1912	* Note - updated to take an object instead of archetype - this is necessary
1940	* because arch_blocked (now ob_blocked) needs to know the movement type	1913	* because arch_blocked (now ob_blocked) needs to know the movement type
1941	* to know if the space in question will block the object. We can't use	1914	* to know if the space in question will block the object. We can't use
…		…
1943	* customized, changed states, etc.	1916	* customized, changed states, etc.
1944	*/	1917	*/
1945	int	1918	int
1946	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1919	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1947	{	1920	{
		1921	int altern[SIZEOFFREE];
1948	int index = 0, flag;	1922	int index = 0, flag;
1949	int altern[SIZEOFFREE];
1950		1923
1951	for (int i = start; i < stop; i++)	1924	for (int i = start; i < stop; i++)
1952	{	1925	{
1953	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1926	mapxy pos (m, x, y); pos.move (i);
1954	if (!flag)	1927
		1928	if (!pos.normalise ())
		1929	continue;
		1930
		1931	mapspace &ms = *pos;
		1932
		1933	if (ms.flags () & P_IS_ALIVE)
		1934	continue;
		1935
		1936	/* However, often
		1937	* ob doesn't have any move type (when used to place exits)
		1938	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1939	*/
		1940	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1941	{
1955	altern [index++] = i;	1942	altern [index++] = i;
		1943	continue;
		1944	}
1956		1945
1957	/* Basically, if we find a wall on a space, we cut down the search size.	1946	/* Basically, if we find a wall on a space, we cut down the search size.
1958	* In this way, we won't return spaces that are on another side of a wall.	1947	* In this way, we won't return spaces that are on another side of a wall.
1959	* This mostly work, but it cuts down the search size in all directions -	1948	* This mostly work, but it cuts down the search size in all directions -
1960	* if the space being examined only has a wall to the north and empty	1949	* if the space being examined only has a wall to the north and empty
1961	* spaces in all the other directions, this will reduce the search space	1950	* spaces in all the other directions, this will reduce the search space
1962	* to only the spaces immediately surrounding the target area, and	1951	* to only the spaces immediately surrounding the target area, and
1963	* won't look 2 spaces south of the target space.	1952	* won't look 2 spaces south of the target space.
1964	*/	1953	*/
1965	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1954	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1955	{
1966	stop = maxfree[i];	1956	stop = maxfree[i];
		1957	continue;
		1958	}
		1959
		1960	/* Note it is intentional that we check ob - the movement type of the
		1961	* head of the object should correspond for the entire object.
		1962	*/
		1963	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1964	continue;
		1965
		1966	if (ob->blocked (m, pos.x, pos.y))
		1967	continue;
		1968
		1969	altern [index++] = i;
1967	}	1970	}
1968		1971
1969	if (!index)	1972	if (!index)
1970	return -1;	1973	return -1;
1971		1974
1972	return altern[RANDOM () % index];	1975	return altern [rndm (index)];
1973	}	1976	}
1974		1977
1975	/*	1978	/*
1976	* find_first_free_spot(archetype, maptile, x, y) works like	1979	* find_first_free_spot(archetype, maptile, x, y) works like
1977	* find_free_spot(), but it will search max number of squares.	1980	* find_free_spot(), but it will search max number of squares.
…		…
1980	*/	1983	*/
1981	int	1984	int
1982	find_first_free_spot (const object *ob, maptile *m, int x, int y)	1985	find_first_free_spot (const object *ob, maptile *m, int x, int y)
1983	{	1986	{
1984	for (int i = 0; i < SIZEOFFREE; i++)	1987	for (int i = 0; i < SIZEOFFREE; i++)
1985	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	1988	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
1986	return i;	1989	return i;
1987		1990
1988	return -1;	1991	return -1;
1989	}	1992	}
1990		1993
…		…
1998	{	2001	{
1999	arr += begin;	2002	arr += begin;
2000	end -= begin;	2003	end -= begin;
2001		2004
2002	while (--end)	2005	while (--end)
2003	swap (arr [end], arr [RANDOM () % (end + 1)]);	2006	swap (arr [end], arr [rndm (end + 1)]);
2004	}	2007	}
2005		2008
2006	/* new function to make monster searching more efficient, and effective!	2009	/* new function to make monster searching more efficient, and effective!
2007	* This basically returns a randomized array (in the passed pointer) of	2010	* This basically returns a randomized array (in the passed pointer) of
2008	* the spaces to find monsters. In this way, it won't always look for	2011	* the spaces to find monsters. In this way, it won't always look for
…		…
2044	object *tmp;	2047	object *tmp;
2045	maptile *mp;	2048	maptile *mp;
2046		2049
2047	MoveType blocked, move_type;	2050	MoveType blocked, move_type;
2048		2051
2049	if (exclude && exclude->head)	2052	if (exclude && exclude->head_ () != exclude)
2050	{	2053	{
2051	exclude = exclude->head;	2054	exclude = exclude->head;
2052	move_type = exclude->move_type;	2055	move_type = exclude->move_type;
2053	}	2056	}
2054	else	2057	else
…		…
2077	max = maxfree[i];	2080	max = maxfree[i];
2078	else if (mflags & P_IS_ALIVE)	2081	else if (mflags & P_IS_ALIVE)
2079	{	2082	{
2080	for (tmp = ms.bot; tmp; tmp = tmp->above)	2083	for (tmp = ms.bot; tmp; tmp = tmp->above)
2081	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2084	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2082	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2085	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2083	break;	2086	break;
2084		2087
2085	if (tmp)	2088	if (tmp)
2086	return freedir[i];	2089	return freedir[i];
2087	}	2090	}
…		…
2267	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2270	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2268	* core dumps if they do.	2271	* core dumps if they do.
2269	*	2272	*
2270	* Add a check so we can't pick up invisible objects (0.93.8)	2273	* Add a check so we can't pick up invisible objects (0.93.8)
2271	*/	2274	*/
2272
2273	int	2275	int
2274	can_pick (const object *who, const object *item)	2276	can_pick (const object *who, const object *item)
2275	{	2277	{
2276	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2278	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2277	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2279	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2280		2282
2281	/*	2283	/*
2282	* create clone from object to another	2284	* create clone from object to another
2283	*/	2285	*/
2284	object *	2286	object *
2285	object_create_clone (object *asrc)	2287	object::deep_clone ()
2286	{	2288	{
2287	object *dst = 0, *tmp, *src, *part, *prev, *item;	2289	assert (("deep_clone called on non-head object", is_head ()));
2288		2290
2289	if (!asrc)	2291	object *dst = clone ();
2290	return 0;
2291		2292
2292	src = asrc;	2293	object *prev = dst;
2293	if (src->head)
2294	src = src->head;
2295
2296	prev = 0;
2297	for (part = src; part; part = part->more)	2294	for (object *part = this->more; part; part = part->more)
2298	{	2295	{
2299	tmp = part->clone ();	2296	object *tmp = part->clone ();
2300	tmp->x -= src->x;
2301	tmp->y -= src->y;
2302
2303	if (!part->head)
2304	{
2305	dst = tmp;
2306	tmp->head = 0;
2307	}
2308	else
2309	tmp->head = dst;	2297	tmp->head = dst;
2310
2311	tmp->more = 0;
2312
2313	if (prev)
2314	prev->more = tmp;	2298	prev->more = tmp;
2315
2316	prev = tmp;	2299	prev = tmp;
2317	}	2300	}
2318		2301
2319	for (item = src->inv; item; item = item->below)	2302	for (object *item = inv; item; item = item->below)
2320	insert_ob_in_ob (object_create_clone (item), dst);	2303	insert_ob_in_ob (item->deep_clone (), dst);
2321		2304
2322	return dst;	2305	return dst;
2323	}
2324
2325	/* GROS - Creates an object using a string representing its content. */
2326	/* Basically, we save the content of the string to a temp file, then call */
2327	/* load_object on it. I admit it is a highly inefficient way to make things, */
2328	/* but it was simple to make and allows reusing the load_object function. */
2329	/* Remember not to use load_object_str in a time-critical situation. */
2330	/* Also remember that multiparts objects are not supported for now. */
2331	object *
2332	load_object_str (const char *obstr)
2333	{
2334	object *op;
2335	char filename[MAX_BUF];
2336
2337	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2338
2339	FILE *tempfile = fopen (filename, "w");
2340
2341	if (tempfile == NULL)
2342	{
2343	LOG (llevError, "Error - Unable to access load object temp file\n");
2344	return NULL;
2345	}
2346
2347	fprintf (tempfile, obstr);
2348	fclose (tempfile);
2349
2350	op = object::create ();
2351
2352	object_thawer thawer (filename);
2353
2354	if (thawer)
2355	load_object (thawer, op, 0);
2356
2357	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2358	CLEAR_FLAG (op, FLAG_REMOVED);
2359
2360	return op;
2361	}	2306	}
2362		2307
2363	/* This returns the first object in who's inventory that	2308	/* This returns the first object in who's inventory that
2364	* has the same type and subtype match.	2309	* has the same type and subtype match.
2365	* returns NULL if no match.	2310	* returns NULL if no match.
…		…
2372	return tmp;	2317	return tmp;
2373		2318
2374	return 0;	2319	return 0;
2375	}	2320	}
2376		2321
2377	/* If ob has a field named key, return the link from the list,	2322	const shstr &
2378	* otherwise return NULL.	2323	object::kv_get (const shstr &key) const
2379	*
2380	* key must be a passed in shared string - otherwise, this won't
2381	* do the desired thing.
2382	*/
2383	key_value *
2384	get_ob_key_link (const object *ob, const char *key)
2385	{	2324	{
2386	for (key_value *link = ob->key_values; link; link = link->next)	2325	for (key_value *kv = key_values; kv; kv = kv->next)
2387	if (link->key == key)	2326	if (kv->key == key)
2388	return link;
2389
2390	return 0;
2391	}
2392
2393	/*
2394	* Returns the value of op has an extra_field for key, or NULL.
2395	*
2396	* The argument doesn't need to be a shared string.
2397	*
2398	* The returned string is shared.
2399	*/
2400	const char *
2401	get_ob_key_value (const object *op, const char *const key)
2402	{
2403	key_value *link;
2404	shstr_cmp canonical_key (key);
2405
2406	if (!canonical_key)
2407	{
2408	/* 1. There being a field named key on any object
2409	* implies there'd be a shared string to find.
2410	* 2. Since there isn't, no object has this field.
2411	* 3. Therefore, *this* object doesn't have this field.
2412	*/
2413	return 0;
2414	}
2415
2416	/* This is copied from get_ob_key_link() above -
2417	* only 4 lines, and saves the function call overhead.
2418	*/
2419	for (link = op->key_values; link; link = link->next)
2420	if (link->key == canonical_key)
2421	return link->value;	2327	return kv->value;
2422		2328
2423	return 0;	2329	return shstr_null;
2424	}	2330	}
2425		2331
2426		2332	void
2427	/*	2333	object::kv_set (const shstr &key, const shstr &value)
2428	* Updates the canonical_key in op to value.
2429	*
2430	* canonical_key is a shared string (value doesn't have to be).
2431	*
2432	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2433	* keys.
2434	*
2435	* Returns TRUE on success.
2436	*/
2437	int
2438	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2439	{	2334	{
2440	key_value *field = NULL, *last = NULL;	2335	for (key_value *kv = key_values; kv; kv = kv->next)
2441		2336	if (kv->key == key)
2442	for (field = op->key_values; field != NULL; field = field->next)
2443	{
2444	if (field->key != canonical_key)
2445	{	2337	{
2446	last = field;	2338	kv->value = value;
2447	continue;	2339	return;
2448	}	2340	}
2449		2341
2450	if (value)	2342	key_value *kv = new key_value;
2451	field->value = value;	2343
2452	else	2344	kv->next = key_values;
		2345	kv->key = key;
		2346	kv->value = value;
		2347
		2348	key_values = kv;
		2349	}
		2350
		2351	void
		2352	object::kv_del (const shstr &key)
		2353	{
		2354	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2355	if ((*kvp)->key == key)
2453	{	2356	{
2454	/* Basically, if the archetype has this key set,	2357	key_value *kv = *kvp;
2455	* we need to store the null value so when we save	2358	*kvp = (*kvp)->next;
2456	* it, we save the empty value so that when we load,	2359	delete kv;
2457	* we get this value back again.	2360	return;
2458	*/
2459	if (get_ob_key_link (&op->arch->clone, canonical_key))
2460	field->value = 0;
2461	else
2462	{
2463	if (last)
2464	last->next = field->next;
2465	else
2466	op->key_values = field->next;
2467
2468	delete field;
2469	}
2470	}	2361	}
2471	return TRUE;
2472	}
2473	/* IF we get here, key doesn't exist */
2474
2475	/* No field, we'll have to add it. */
2476
2477	if (!add_key)
2478	return FALSE;
2479
2480	/* There isn't any good reason to store a null
2481	* value in the key/value list. If the archetype has
2482	* this key, then we should also have it, so shouldn't
2483	* be here. If user wants to store empty strings,
2484	* should pass in ""
2485	*/
2486	if (value == NULL)
2487	return TRUE;
2488
2489	field = new key_value;
2490
2491	field->key = canonical_key;
2492	field->value = value;
2493	/* Usual prepend-addition. */
2494	field->next = op->key_values;
2495	op->key_values = field;
2496
2497	return TRUE;
2498	}
2499
2500	/*
2501	* Updates the key in op to value.
2502	*
2503	* If add_key is FALSE, this will only update existing keys,
2504	* and not add new ones.
2505	* In general, should be little reason FALSE is ever passed in for add_key
2506	*
2507	* Returns TRUE on success.
2508	*/
2509	int
2510	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2511	{
2512	shstr key_ (key);
2513
2514	return set_ob_key_value_s (op, key_, value, add_key);
2515	}	2362	}
2516		2363
2517	object::depth_iterator::depth_iterator (object *container)	2364	object::depth_iterator::depth_iterator (object *container)
2518	: iterator_base (container)	2365	: iterator_base (container)
2519	{	2366	{
…		…
2532	item = item->inv;	2379	item = item->inv;
2533	}	2380	}
2534	else	2381	else
2535	item = item->env;	2382	item = item->env;
2536	}	2383	}
2537
2538		2384
2539	const char *	2385	const char *
2540	object::flag_desc (char *desc, int len) const	2386	object::flag_desc (char *desc, int len) const
2541	{	2387	{
2542	char *p = desc;	2388	char *p = desc;
…		…
2570	{	2416	{
2571	char flagdesc[512];	2417	char flagdesc[512];
2572	char info2[256 * 4];	2418	char info2[256 * 4];
2573	char *p = info;	2419	char *p = info;
2574		2420
2575	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2421	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2576	count, uuid.seq,	2422	count,
		2423	uuid.c_str (),
2577	&name,	2424	&name,
2578	title ? "\",title:\"" : "",	2425	title ? ",title:\"" : "",
2579	title ? (const char *)title : "",	2426	title ? (const char *)title : "",
		2427	title ? "\"" : "",
2580	flag_desc (flagdesc, 512), type);	2428	flag_desc (flagdesc, 512), type);
2581		2429
2582	if (env)	2430	if (!flag[FLAG_REMOVED] && env)
2583	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2431	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2584		2432
2585	if (map)	2433	if (map)
2586	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2434	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2587		2435
…		…
2589	}	2437	}
2590		2438
2591	const char *	2439	const char *
2592	object::debug_desc () const	2440	object::debug_desc () const
2593	{	2441	{
2594	static char info[256 * 4];	2442	static char info[3][256 * 4];
		2443	static int info_idx;
		2444
2595	return debug_desc (info);	2445	return debug_desc (info [++info_idx % 3]);
2596	}	2446	}
2597		2447
2598	const char *	2448	struct region *
2599	object::debug_desc2 () const	2449	object::region () const
2600	{	2450	{
2601	static char info[256 * 4];	2451	return map ? map->region (x, y)
2602	return debug_desc (info);	2452	: region::default_region ();
2603	}	2453	}
2604		2454
		2455	const materialtype_t *
		2456	object::dominant_material () const
		2457	{
		2458	if (materialtype_t *mt = name_to_material (materialname))
		2459	return mt;
		2460
		2461	return name_to_material (shstr_unknown);
		2462	}
		2463
		2464	void
		2465	object::open_container (object *new_container)
		2466	{
		2467	if (container == new_container)
		2468	return;
		2469
		2470	object *old_container = container;
		2471
		2472	if (old_container)
		2473	{
		2474	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2475	return;
		2476
		2477	#if 0
		2478	// remove the "Close old_container" object.
		2479	if (object *closer = old_container->inv)
		2480	if (closer->type == CLOSE_CON)
		2481	closer->destroy ();
		2482	#endif
		2483
		2484	// make sure the container is available
		2485	esrv_send_item (this, old_container);
		2486
		2487	old_container->flag [FLAG_APPLIED] = false;
		2488	container = 0;
		2489
		2490	// client needs item update to make it work, client bug requires this to be separate
		2491	esrv_update_item (UPD_FLAGS, this, old_container);
		2492
		2493	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2494	play_sound (sound_find ("chest_close"));
		2495	}
		2496
		2497	if (new_container)
		2498	{
		2499	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2500	return;
		2501
		2502	// TODO: this does not seem to serve any purpose anymore?
		2503	#if 0
		2504	// insert the "Close Container" object.
		2505	if (archetype *closer = new_container->other_arch)
		2506	{
		2507	object *closer = arch_to_object (new_container->other_arch);
		2508	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2509	new_container->insert (closer);
		2510	}
		2511	#endif
		2512
		2513	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2514
		2515	// make sure the container is available, client bug requires this to be separate
		2516	esrv_send_item (this, new_container);
		2517
		2518	new_container->flag [FLAG_APPLIED] = true;
		2519	container = new_container;
		2520
		2521	// client needs flag change
		2522	esrv_update_item (UPD_FLAGS, this, new_container);
		2523	esrv_send_inventory (this, new_container);
		2524	play_sound (sound_find ("chest_open"));
		2525	}
		2526	// else if (!old_container->env && contr && contr->ns)
		2527	// contr->ns->floorbox_reset ();
		2528	}
		2529
		2530	object *
		2531	object::force_find (const shstr name)
		2532	{
		2533	/* cycle through his inventory to look for the MARK we want to
		2534	* place
		2535	*/
		2536	for (object *tmp = inv; tmp; tmp = tmp->below)
		2537	if (tmp->type == FORCE && tmp->slaying == name)
		2538	return splay (tmp);
		2539
		2540	return 0;
		2541	}
		2542
		2543	void
		2544	object::force_add (const shstr name, int duration)
		2545	{
		2546	if (object *force = force_find (name))
		2547	force->destroy ();
		2548
		2549	object *force = get_archetype (FORCE_NAME);
		2550
		2551	force->slaying = name;
		2552	force->stats.food = 1;
		2553	force->speed_left = -1.f;
		2554
		2555	force->set_speed (duration ? 1.f / duration : 0.f);
		2556	force->flag [FLAG_IS_USED_UP] = true;
		2557	force->flag [FLAG_APPLIED] = true;
		2558
		2559	insert (force);
		2560	}
		2561
		2562	void
		2563	object::play_sound (faceidx sound)
		2564	{
		2565	if (!sound)
		2566	return;
		2567
		2568	if (flag [FLAG_REMOVED])
		2569	return;
		2570
		2571	if (env)
		2572	{
		2573	if (object *pl = in_player ())
		2574	pl->contr->play_sound (sound);
		2575	}
		2576	else
		2577	map->play_sound (sound, x, y);
		2578	}
		2579

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