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Comparing deliantra/server/common/object.C (file contents):
Revision 1.113 by root, Tue Jan 9 21:32:41 2007 UTC vs.
Revision 1.235 by root, Tue May 6 20:00:12 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.	20	*
21		21	* The authors can be reached via e-mail to <support@deliantra.net>
22	The authors can be reached via e-mail at <crossfire@schmorp.de>
23	*/	22	*/
24		23
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	24	#include <global.h>
29	#include <stdio.h>	25	#include <stdio.h>
30	#include <sys/types.h>	26	#include <sys/types.h>
31	#include <sys/uio.h>	27	#include <sys/uio.h>
32	#include <object.h>	28	#include <object.h>
33	#include <funcpoint.h>	29	#include <sproto.h>
34	#include <loader.h>	30	#include <loader.h>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	int nrofallocobjects = 0;	34	UUID UUID::cur;
39	static UUID uuid;	35	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
41		37
42	objectvec objects;	38	objectvec objects;
43	activevec actives;	39	activevec actives;
44		40
45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	41	short freearr_x[SIZEOFFREE] = {
		42	0,
		43	0, 1, 1, 1, 0, -1, -1, -1,
		44	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	45	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
47	};	46	};
48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	47	short freearr_y[SIZEOFFREE] = {
		48	0,
		49	-1, -1, 0, 1, 1, 1, 0, -1,
		50	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
49	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	51	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50	};	52	};
51	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,	53	int maxfree[SIZEOFFREE] = {
		54	0,
		55	9, 10, 13, 14, 17, 18, 21, 22,
		56	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
52	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49	57	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
53	};	58	};
54	int freedir[SIZEOFFREE] = {	59	int freedir[SIZEOFFREE] = {
55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	60	0,
		61	1, 2, 3, 4, 5, 6, 7, 8,
		62	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	63	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
57	};	64	};
58		65
59	static void	66	static void
60	write_uuid (void)	67	write_uuid (uval64 skip, bool sync)
61	{	68	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	69	CALL_BEGIN (2);
63		70	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	71	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	72	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		73	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	74	}
79		75
80	static void	76	static void
81	read_uuid (void)	77	read_uuid (void)
82	{	78	{
83	char filename[MAX_BUF];	79	char filename[MAX_BUF];
84		80
85	sprintf (filename, "%s/uuid", settings.localdir);	81	sprintf (filename, "%s/uuid", settings.localdir);
		82
		83	seq_next_save = 0;
86		84
87	FILE *fp;	85	FILE *fp;
88		86
89	if (!(fp = fopen (filename, "r")))	87	if (!(fp = fopen (filename, "r")))
90	{	88	{
91	if (errno == ENOENT)	89	if (errno == ENOENT)
92	{	90	{
93	LOG (llevInfo, "RESET uid to 1\n");	91	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	92	UUID::cur.seq = 0;
95	write_uuid ();	93	write_uuid (UUID_GAP, true);
96	return;	94	return;
97	}	95	}
98		96
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	98	_exit (1);
101	}	99	}
102		100
103	int version;	101	UUID::BUF buf;
104	unsigned long long uid;	102	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	103	fgets (buf, sizeof (buf), fp);
		104
		105	if (!UUID::cur.parse (buf))
106	{	106	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	107	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	108	_exit (1);
109	}	109	}
110		110
111	uuid.seq = uid;	111	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	112
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	113	write_uuid (UUID_GAP, true);
114	fclose (fp);	114	fclose (fp);
115	}	115	}
116		116
117	UUID	117	UUID
118	gen_uuid ()	118	UUID::gen ()
119	{	119	{
120	UUID uid;	120	UUID uid;
121		121
122	uid.seq = ++uuid.seq;	122	uid.seq = ++cur.seq;
123		123
124	if (!(uuid.seq & (UUID_SKIP - 1)))	124	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	125	{
		126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		127	write_uuid (UUID_GAP, false);
		128	}
		129
126		130
127	return uid;	131	return uid;
128	}	132	}
129		133
130	void	134	void
131	init_uuid ()	135	UUID::init ()
132	{	136	{
133	read_uuid ();	137	read_uuid ();
134	}	138	}
135		139
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	140	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	141	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	142	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	143	{
140	key_value *wants_field;
141
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	144	/* n-squared behaviour (see kv_get), but I'm hoping both
143	* objects with lists are rare, and lists stay short. If not, use a	145	* objects with lists are rare, and lists stay short. If not, use a
144	* different structure or at least keep the lists sorted...	146	* different structure or at least keep the lists sorted...
145	*/	147	*/
146		148
147	/* For each field in wants, */	149	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	150	for (key_value *kv = wants->key_values; kv; kv = kv->next)
149	{	151	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	152	return false;
151
152	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);
154
155	if (has_field == NULL)
156	{
157	/* No field with that name. */
158	return FALSE;
159	}
160
161	/* Found the matching field. */
162	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167
168	/* If we get here, we found a match. Now for the next field in wants. */
169	}
170		153
171	/* If we get here, every field in wants has a matching field in has. */	154	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	155	return true;
173	}	156	}
174		157
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	158	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	159	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	160	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	161	{
179	/* However, there may be fields in has which aren't partnered in wants,	162	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	163	* so we need to run the comparison *twice*. :(
181	*/	164	*/
182	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	165	return compare_ob_value_lists_one (ob1, ob2)
		166	&& compare_ob_value_lists_one (ob2, ob1);
183	}	167	}
184		168
185	/* Function examines the 2 objects given to it, and returns true if	169	/* Function examines the 2 objects given to it, and returns true if
186	* they can be merged together.	170	* they can be merged together.
187	*	171	*
…		…
202	|| ob1->speed != ob2->speed	186	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	187	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	188	|| ob1->name != ob2->name)
205	return 0;	189	return 0;
206		190
207	//TODO: this ain't working well, use nicer and correct overflow check	191	/* Do not merge objects if nrof would overflow. First part checks
208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	192	* for unsigned overflow (2c), second part checks whether the result
209	* value could not be stored in a sint32 (which unfortunately sometimes is	193	* would fit into a 32 bit signed int, which is often used to hold
210	* used to store nrof).	194	* nrof values.
211	*/	195	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)	196	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
213	return 0;	197	return 0;
214		198
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	199	/* If the objects have been identified, set the BEEN_APPLIED flag.
216	* This is to the comparison of the flags below will be OK. We	200	* This is to the comparison of the flags below will be OK. We
217	* just can't ignore the been applied or identified flags, as they	201	* just can't ignore the been applied or identified flags, as they
218	* are not equal - just if it has been identified, the been_applied	202	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	203	* flags lose any meaning.
220	*/	204	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	205	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	206	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		207
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	208	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	209	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		210
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	211	if (ob1->arch->name != ob2->arch->name
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	212	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	213	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	214	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	215	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	216	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	217	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	218	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	219	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	220	|| ob1->value != ob2->value
…		…
246	|| ob1->move_block != ob2->move_block	227	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	228	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	229	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	230	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	231	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	232	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	235	return 0;
253		236
		237	if ((ob1->flag ^ ob2->flag)
		238	.reset (FLAG_INV_LOCKED)
		239	.reset (FLAG_CLIENT_SENT)
		240	.reset (FLAG_REMOVED)
		241	.any ())
		242	return 0;
		243
254	/* This is really a spellbook check - really, we should	244	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	245	* not merge objects with real inventories, as splitting them
		246	* is hard.
256	*/	247	*/
257	if (ob1->inv || ob2->inv)	248	if (ob1->inv || ob2->inv)
258	{	249	{
259	/* if one object has inventory but the other doesn't, not equiv */	250	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	251	return 0; /* inventories differ in length */
261	return 0;
262		252
263	/* Now check to see if the two inventory objects could merge */	253	if (ob1->inv->below || ob2->inv->below)
		254	return 0; /* more than one object in inv */
		255
264	if (!object::can_merge (ob1->inv, ob2->inv))	256	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	257	return 0; /* inventory objects differ */
266		258
267	/* inventory ok - still need to check rest of this object to see	259	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	260	* if it is valid.
269	*/	261	*/
270	}	262	}
…		…
289	if (ob1->level != ob2->level)	281	if (ob1->level != ob2->level)
290	return 0;	282	return 0;
291	break;	283	break;
292	}	284	}
293		285
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	286	if (ob1->key_values || ob2->key_values)
295	{	287	{
296	/* At least one of these has key_values. */	288	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	289	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	290	return 0; /* One has fields, but the other one doesn't. */
		291
		292	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	293	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	294	}
303		295
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	296	if (ob1->self || ob2->self)
306	{	297	{
307	ob1->optimise ();	298	ob1->optimise ();
308	ob2->optimise ();	299	ob2->optimise ();
309		300
310	if (ob1->self || ob2->self)	301	if (ob1->self || ob2->self)
		302	{
		303	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		304	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		305
		306	if (k1 != k2)
311	return 0;	307	return 0;
		308
		309	if (k1 == 0)
		310	return 1;
		311
		312	if (!cfperl_can_merge (ob1, ob2))
		313	return 0;
		314	}
312	}	315	}
313		316
314	/* Everything passes, must be OK. */	317	/* Everything passes, must be OK. */
315	return 1;	318	return 1;
316	}	319	}
317		320
		321	// find player who can see this object
		322	object *
		323	object::visible_to () const
		324	{
		325	if (client_visible () && !flag [FLAG_REMOVED])
		326	{
		327	// see if we are in a container of sorts
		328	if (env)
		329	{
		330	// the player inventory itself is always visible
		331	if (env->type == PLAYER)
		332	return env;
		333
		334	// else a player could have our env open
		335	object *envest = env->outer_env ();
		336
		337	// the player itself is always on a map, so we will find him here
		338	// even if our inv is in a player.
		339	if (envest->is_on_map ())
		340	if (object *pl = envest->ms ().player ())
		341	if (pl->container == env)
		342	return pl;
		343	}
		344	else
		345	{
		346	// maybe there is a player standing on the same mapspace
		347	// this will catch the case where "this" is a player
		348	if (object *pl = ms ().player ())
		349	if (!pl->container || this == pl->container)
		350	return pl;
		351	}
		352	}
		353
		354	return 0;
		355	}
		356
		357	// adjust weight per container type ("of holding")
		358	static sint32
		359	weight_adjust_for (object *op, sint32 weight)
		360	{
		361	return op->type == CONTAINER
		362	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		363	: weight;
		364	}
		365
318	/*	366	/*
		367	* adjust_weight(object, weight) adds the specified weight to an object,
		368	* and also updates how much the environment(s) is/are carrying.
		369	*/
		370	static void
		371	adjust_weight (object *op, sint32 weight)
		372	{
		373	while (op)
		374	{
		375	// adjust by actual difference to account for rounding errors
		376	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		377	weight = weight_adjust_for (op, op->carrying)
		378	- weight_adjust_for (op, op->carrying - weight);
		379
		380	if (!weight)
		381	return;
		382
		383	op->carrying += weight;
		384
		385	if (object *pl = op->visible_to ())
		386	if (pl != op) // player is handled lazily
		387	esrv_update_item (UPD_WEIGHT, pl, op);
		388
		389	op = op->env;
		390	}
		391	}
		392
		393	/*
319	* sum_weight() is a recursive function which calculates the weight	394	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	395	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	396	* containers are carrying, and sums it up.
322	*/	397	*/
323	long	398	void
324	sum_weight (object *op)	399	object::update_weight ()
325	{	400	{
326	long sum;	401	sint32 sum = 0;
327	object *inv;
328		402
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	403	for (object *op = inv; op; op = op->below)
330	{	404	{
331	if (inv->inv)	405	if (op->inv)
332	sum_weight (inv);	406	op->update_weight ();
333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	407
		408	sum += op->total_weight ();
		409	}
		410
		411	sum = weight_adjust_for (this, sum);
		412
		413	if (sum != carrying)
334	}	414	{
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;	415	carrying = sum;
341		416
342	return sum;	417	if (object *pl = visible_to ())
		418	if (pl != this) // player is handled lazily
		419	esrv_update_item (UPD_WEIGHT, pl, this);
		420	}
343	}	421	}
344		422
345	/**	423	/*
346	* Return the outermost environment object for a given object.	424	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/	425	*/
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 *	426	char *
364	dump_object (object *op)	427	dump_object (object *op)
365	{	428	{
366	if (!op)	429	if (!op)
367	return strdup ("[NULLOBJ]");	430	return strdup ("[NULLOBJ]");
368		431
369	object_freezer freezer;	432	object_freezer freezer;
370	save_object (freezer, op, 1);	433	op->write (freezer);
371	return freezer.as_string ();	434	return freezer.as_string ();
372	}	435	}
373		436
374	/*	437	/*
375	* get_nearest_part(multi-object, object 2) returns the part of the	438	* get_nearest_part(multi-object, object 2) returns the part of the
376	* multi-object 1 which is closest to the second object.	439	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.	440	* If it's not a multi-object, it is returned.
378	*/	441	*/
379
380	object *	442	object *
381	get_nearest_part (object *op, const object *pl)	443	get_nearest_part (object *op, const object *pl)
382	{	444	{
383	object *tmp, *closest;	445	object *tmp, *closest;
384	int last_dist, i;	446	int last_dist, i;
385		447
386	if (op->more == NULL)	448	if (!op->more)
387	return op;	449	return op;
		450
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	451	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		452	tmp;
		453	tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)	454	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;	455	closest = tmp, last_dist = i;
		456
391	return closest;	457	return closest;
392	}	458	}
393		459
394	/*	460	/*
395	* Returns the object which has the count-variable equal to the argument.	461	* Returns the object which has the count-variable equal to the argument.
		462	* VERRRY slow.
396	*/	463	*/
397	object *	464	object *
398	find_object (tag_t i)	465	find_object (tag_t i)
399	{	466	{
400	for_all_objects (op)	467	for_all_objects (op)
…		…
420	break;	487	break;
421		488
422	return op;	489	return op;
423	}	490	}
424		491
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}
430
431	/*	492	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	493	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	494	* skill and experience objects.
		495	* ACTUALLY NO! investigate! TODO
434	*/	496	*/
435	void	497	void
436	object::set_owner (object *owner)	498	object::set_owner (object *owner)
437	{	499	{
		500	// allow objects which own objects
438	if (!owner)	501	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)	502	while (owner->owner)
449	owner = owner->owner;	503	owner = owner->owner;
		504
		505	if (flag [FLAG_FREED])
		506	{
		507	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		508	return;
		509	}
450		510
451	this->owner = owner;	511	this->owner = owner;
		512	}
		513
		514	int
		515	object::slottype () const
		516	{
		517	if (type == SKILL)
		518	{
		519	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		520	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		521	}
		522	else
		523	{
		524	if (slot [body_combat].info) return slot_combat;
		525	if (slot [body_range ].info) return slot_ranged;
		526	}
		527
		528	return slot_none;
		529	}
		530
		531	bool
		532	object::change_weapon (object *ob)
		533	{
		534	if (current_weapon == ob)
		535	return true;
		536
		537	if (chosen_skill)
		538	chosen_skill->flag [FLAG_APPLIED] = false;
		539
		540	current_weapon = ob;
		541	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		542
		543	if (chosen_skill)
		544	chosen_skill->flag [FLAG_APPLIED] = true;
		545
		546	update_stats ();
		547
		548	if (ob)
		549	{
		550	// now check wether any body locations became invalid, in which case
		551	// we cannot apply the weapon at the moment.
		552	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		553	if (slot[i].used < 0)
		554	{
		555	current_weapon = chosen_skill = 0;
		556	update_stats ();
		557
		558	new_draw_info_format (NDI_UNIQUE, 0, this,
		559	"You try to balance all your items at once, "
		560	"but the %s is just too much for your body. "
		561	"[You need to unapply some items first.]", &ob->name);
		562	return false;
		563	}
		564
		565	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		566	}
		567	else
		568	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		569
		570	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		571	{
		572	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		573	&name, ob->debug_desc ());
		574	return false;
		575	}
		576
		577	return true;
452	}	578	}
453		579
454	/* Zero the key_values on op, decrementing the shared-string	580	/* Zero the key_values on op, decrementing the shared-string
455	* refcounts and freeing the links.	581	* refcounts and freeing the links.
456	*/	582	*/
457	static void	583	static void
458	free_key_values (object *op)	584	free_key_values (object *op)
459	{	585	{
460	for (key_value *i = op->key_values; i != 0;)	586	for (key_value *i = op->key_values; i; )
461	{	587	{
462	key_value *next = i->next;	588	key_value *next = i->next;
463	delete i;	589	delete i;
464		590
465	i = next;	591	i = next;
…		…
477	* will point at garbage.	603	* will point at garbage.
478	*/	604	*/
479	void	605	void
480	object::copy_to (object *dst)	606	object::copy_to (object *dst)
481	{	607	{
482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	608	dst->remove ();
483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
484
485	*(object_copy *)dst = *this;	609	*(object_copy *)dst = *this;
486		610	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 - RANDOM () % 200 / 100.0;
495		611
496	/* Copy over key_values, if any. */	612	/* Copy over key_values, if any. */
497	if (key_values)	613	if (key_values)
498	{	614	{
499	key_value *tail = 0;	615	key_value *tail = 0;
500	key_value *i;
501
502	dst->key_values = 0;	616	dst->key_values = 0;
503		617
504	for (i = key_values; i; i = i->next)	618	for (key_value *i = key_values; i; i = i->next)
505	{	619	{
506	key_value *new_link = new key_value;	620	key_value *new_link = new key_value;
507		621
508	new_link->next = 0;	622	new_link->next = 0;
509	new_link->key = i->key;	623	new_link->key = i->key;
510	new_link->value = i->value;	624	new_link->value = i->value;
511		625
512	/* Try and be clever here, too. */	626	/* Try and be clever here, too. */
513	if (!dst->key_values)	627	if (!dst->key_values)
514	{	628	{
…		…
521	tail = new_link;	635	tail = new_link;
522	}	636	}
523	}	637	}
524	}	638	}
525		639
		640	if (speed < 0)
		641	dst->speed_left -= rndm ();
		642
526	dst->set_speed (dst->speed);	643	dst->set_speed (dst->speed);
		644	}
		645
		646	void
		647	object::instantiate ()
		648	{
		649	if (!uuid.seq) // HACK
		650	uuid = UUID::gen ();
		651
		652	speed_left = -0.1f;
		653	/* copy the body_info to the body_used - this is only really
		654	* need for monsters, but doesn't hurt to do it for everything.
		655	* by doing so, when a monster is created, it has good starting
		656	* values for the body_used info, so when items are created
		657	* for it, they can be properly equipped.
		658	*/
		659	for (int i = NUM_BODY_LOCATIONS; i--; )
		660	slot[i].used = slot[i].info;
		661
		662	attachable::instantiate ();
527	}	663	}
528		664
529	object *	665	object *
530	object::clone ()	666	object::clone ()
531	{	667	{
532	object *neu = create ();	668	object *neu = create ();
533	copy_to (neu);	669	copy_to (neu);
		670	neu->map = map; // not copied by copy_to
534	return neu;	671	return neu;
535	}	672	}
536		673
537	/*	674	/*
538	* If an object with the IS_TURNABLE() flag needs to be turned due	675	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
589	* UP_OBJ_FACE: only the objects face has changed.	726	* UP_OBJ_FACE: only the objects face has changed.
590	*/	727	*/
591	void	728	void
592	update_object (object *op, int action)	729	update_object (object *op, int action)
593	{	730	{
594	MoveType move_on, move_off, move_block, move_slow;	731	if (!op)
595
596	if (op == NULL)
597	{	732	{
598	/* this should never happen */	733	/* this should never happen */
599	LOG (llevDebug, "update_object() called for NULL object.\n");	734	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
600	return;	735	return;
601	}	736	}
602		737
603	if (op->env)	738	if (!op->is_on_map ())
604	{	739	{
605	/* Animation is currently handled by client, so nothing	740	/* Animation is currently handled by client, so nothing
606	* to do in this case.	741	* to do in this case.
607	*/	742	*/
608	return;	743	return;
609	}	744	}
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		745
617	/* make sure the object is within map boundaries */	746	/* 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)	747	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
619	{	748	{
620	LOG (llevError, "update_object() called for object out of map!\n");	749	LOG (llevError, "update_object() called for object out of map!\n");
…		…
670	face = blank_face;	799	face = blank_face;
671	}	800	}
672		801
673	object::~object ()	802	object::~object ()
674	{	803	{
		804	unlink ();
		805
675	free_key_values (this);	806	free_key_values (this);
676	}	807	}
677		808
678	static int object_count;	809	static int object_count;
679		810
680	void object::link ()	811	void object::link ()
681	{	812	{
682	assert (!index);//D	813	assert (!index);//D
683	uuid = gen_uuid ();	814	uuid = UUID::gen ();
684	count = ++object_count;	815	count = ++object_count;
685		816
686	refcnt_inc ();	817	refcnt_inc ();
687	objects.insert (this);	818	objects.insert (this);
688	}	819	}
689		820
690	void object::unlink ()	821	void object::unlink ()
691	{	822	{
692	assert (index);//D	823	if (!index)
		824	return;
		825
693	objects.erase (this);	826	objects.erase (this);
694	refcnt_dec ();	827	refcnt_dec ();
695	}	828	}
696		829
697	void	830	void
…		…
759	object::destroy_inv (bool drop_to_ground)	892	object::destroy_inv (bool drop_to_ground)
760	{	893	{
761	// need to check first, because the checks below might segfault	894	// need to check first, because the checks below might segfault
762	// as we might be on an invalid mapspace and crossfire code	895	// as we might be on an invalid mapspace and crossfire code
763	// is too buggy to ensure that the inventory is empty.	896	// is too buggy to ensure that the inventory is empty.
764	// corollary: if you create arrows etc. with stuff in tis inventory,	897	// corollary: if you create arrows etc. with stuff in its inventory,
765	// cf will crash below with off-map x and y	898	// cf will crash below with off-map x and y
766	if (!inv)	899	if (!inv)
767	return;	900	return;
768		901
769	/* Only if the space blocks everything do we not process -	902	/* Only if the space blocks everything do we not process -
770	* if some form of movement is allowed, let objects	903	* if some form of movement is allowed, let objects
771	* drop on that space.	904	* drop on that space.
772	*/	905	*/
773	if (!drop_to_ground	906	if (!drop_to_ground
774	|| !map	907	|| !map
775	|| map->in_memory != MAP_IN_MEMORY	908	|| map->in_memory != MAP_ACTIVE
		909	|| map->nodrop
776	|| ms ().move_block == MOVE_ALL)	910	|| ms ().move_block == MOVE_ALL)
777	{	911	{
778	while (inv)	912	while (inv)
779	{	913	{
780	inv->destroy_inv (drop_to_ground);	914	inv->destroy_inv (false);
781	inv->destroy ();	915	inv->destroy ();
782	}	916	}
783	}	917	}
784	else	918	else
785	{ /* Put objects in inventory onto this space */	919	{ /* Put objects in inventory onto this space */
…		…
791	|| op->flag [FLAG_NO_DROP]	925	|| op->flag [FLAG_NO_DROP]
792	|| op->type == RUNE	926	|| op->type == RUNE
793	|| op->type == TRAP	927	|| op->type == TRAP
794	|| op->flag [FLAG_IS_A_TEMPLATE]	928	|| op->flag [FLAG_IS_A_TEMPLATE]
795	|| op->flag [FLAG_DESTROY_ON_DEATH])	929	|| op->flag [FLAG_DESTROY_ON_DEATH])
796	op->destroy ();	930	op->destroy (true);
797	else	931	else
798	map->insert (op, x, y);	932	map->insert (op, x, y);
799	}	933	}
800	}	934	}
801	}	935	}
…		…
805	object *op = new object;	939	object *op = new object;
806	op->link ();	940	op->link ();
807	return op;	941	return op;
808	}	942	}
809		943
		944	static struct freed_map : maptile
		945	{
		946	freed_map ()
		947	{
		948	path = "<freed objects map>";
		949	name = "/internal/freed_objects_map";
		950	width = 3;
		951	height = 3;
		952	nodrop = 1;
		953
		954	alloc ();
		955	in_memory = MAP_ACTIVE;
		956	}
		957
		958	~freed_map ()
		959	{
		960	destroy ();
		961	}
		962	} freed_map; // freed objects are moved here to avoid crashes
		963
810	void	964	void
811	object::do_destroy ()	965	object::do_destroy ()
812	{	966	{
813	attachable::do_destroy ();
814
815	if (flag [FLAG_IS_LINKED])	967	if (flag [FLAG_IS_LINKED])
816	remove_button_link (this);	968	remove_button_link (this);
817		969
818	if (flag [FLAG_FRIENDLY])	970	if (flag [FLAG_FRIENDLY])
819	remove_friendly_object (this);	971	remove_friendly_object (this);
820		972
821	if (!flag [FLAG_REMOVED])
822	remove ();	973	remove ();
823		974
824	destroy_inv (true);	975	attachable::do_destroy ();
825		976
826	deactivate ();	977	deactivate ();
827	unlink ();	978	unlink ();
828		979
829	flag [FLAG_FREED] = 1;	980	flag [FLAG_FREED] = 1;
830		981
831	// hack to ensure that freed objects still have a valid map	982	// hack to ensure that freed objects still have a valid map
832	{
833	static maptile *freed_map; // freed objects are moved here to avoid crashes
834
835	if (!freed_map)
836	{
837	freed_map = new maptile;
838
839	freed_map->name = "/internal/freed_objects_map";
840	freed_map->width = 3;
841	freed_map->height = 3;
842
843	freed_map->alloc ();
844	freed_map->in_memory = MAP_IN_MEMORY;
845	}
846
847	map = freed_map;	983	map = &freed_map;
848	x = 1;	984	x = 1;
849	y = 1;	985	y = 1;
850	}
851
852	head = 0;
853		986
854	if (more)	987	if (more)
855	{	988	{
856	more->destroy ();	989	more->destroy ();
857	more = 0;	990	more = 0;
858	}	991	}
859		992
		993	head = 0;
		994
860	// clear those pointers that likely might have circular references to us	995	// clear those pointers that likely might cause circular references
861	owner = 0;	996	owner = 0;
862	enemy = 0;	997	enemy = 0;
863	attacked_by = 0;	998	attacked_by = 0;
		999	current_weapon = 0;
864	}	1000	}
865		1001
866	void	1002	void
867	object::destroy (bool destroy_inventory)	1003	object::destroy (bool destroy_inventory)
868	{	1004	{
869	if (destroyed ())	1005	if (destroyed ())
870	return;	1006	return;
871		1007
		1008	if (!is_head () && !head->destroyed ())
		1009	{
		1010	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1011	head->destroy (destroy_inventory);
		1012	return;
		1013	}
		1014
872	if (destroy_inventory)	1015	destroy_inv (!destroy_inventory);
873	destroy_inv (false);	1016
		1017	if (is_head ())
		1018	if (sound_destroy)
		1019	play_sound (sound_destroy);
		1020	else if (flag [FLAG_MONSTER])
		1021	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
874		1022
875	attachable::destroy ();	1023	attachable::destroy ();
876	}
877
878	/*
879	* sub_weight() recursively (outwards) subtracts a number from the
880	* weight of an object (and what is carried by it's environment(s)).
881	*/
882	void
883	sub_weight (object *op, signed long weight)
884	{
885	while (op != NULL)
886	{
887	if (op->type == CONTAINER)
888	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
889
890	op->carrying -= weight;
891	op = op->env;
892	}
893	}	1024	}
894		1025
895	/* op->remove ():	1026	/* op->remove ():
896	* This function removes the object op from the linked list of objects	1027	* This function removes the object op from the linked list of objects
897	* which it is currently tied to. When this function is done, the	1028	* which it is currently tied to. When this function is done, the
898	* object will have no environment. If the object previously had an	1029	* object will have no environment. If the object previously had an
899	* environment, the x and y coordinates will be updated to	1030	* environment, the x and y coordinates will be updated to
900	* the previous environment.	1031	* the previous environment.
901	* Beware: This function is called from the editor as well!
902	*/	1032	*/
903	void	1033	void
904	object::remove ()	1034	object::do_remove ()
905	{	1035	{
906	object *tmp, *last = 0;	1036	object *tmp, *last = 0;
907	object *otmp;	1037	object *otmp;
908		1038
909	if (QUERY_FLAG (this, FLAG_REMOVED))	1039	if (flag [FLAG_REMOVED])
910	return;	1040	return;
911		1041
912	SET_FLAG (this, FLAG_REMOVED);
913	INVOKE_OBJECT (REMOVE, this);	1042	INVOKE_OBJECT (REMOVE, this);
		1043
		1044	flag [FLAG_REMOVED] = true;
914		1045
915	if (more)	1046	if (more)
916	more->remove ();	1047	more->remove ();
917		1048
918	/*	1049	/*
919	* In this case, the object to be removed is in someones	1050	* In this case, the object to be removed is in someones
920	* inventory.	1051	* inventory.
921	*/	1052	*/
922	if (env)	1053	if (env)
923	{	1054	{
		1055	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
		1056	if (object *pl = visible_to ())
		1057	esrv_del_item (pl->contr, count);
		1058	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1059
		1060	adjust_weight (env, -total_weight ());
		1061
		1062	*(above ? &above->below : &env->inv) = below;
		1063
924	if (nrof)	1064	if (below)
925	sub_weight (env, weight * nrof);	1065	below->above = above;
926	else	1066
927	sub_weight (env, weight + carrying);	1067	/* we set up values so that it could be inserted into
		1068	* the map, but we don't actually do that - it is up
		1069	* to the caller to decide what we want to do.
		1070	*/
		1071	map = env->map;
		1072	x = env->x;
		1073	y = env->y;
		1074	above = 0;
		1075	below = 0;
		1076	env = 0;
928		1077
929	/* NO_FIX_PLAYER is set when a great many changes are being	1078	/* NO_FIX_PLAYER is set when a great many changes are being
930	* made to players inventory. If set, avoiding the call	1079	* made to players inventory. If set, avoiding the call
931	* to save cpu time.	1080	* to save cpu time.
932	*/	1081	*/
933	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1082	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
934	otmp->update_stats ();	1083	otmp->update_stats ();
935
936	if (above)
937	above->below = below;
938	else
939	env->inv = below;
940
941	if (below)
942	below->above = above;
943
944	/* we set up values so that it could be inserted into
945	* the map, but we don't actually do that - it is up
946	* to the caller to decide what we want to do.
947	*/
948	x = env->x, y = env->y;
949	map = env->map;
950	above = 0, below = 0;
951	env = 0;
952	}	1084	}
953	else if (map)	1085	else if (map)
954	{	1086	{
955	if (type == PLAYER)	1087	map->dirty = true;
		1088	mapspace &ms = this->ms ();
		1089
		1090	if (object *pl = ms.player ())
956	{	1091	{
		1092	if (type == PLAYER) // this == pl(!)
		1093	{
		1094	// leaving a spot always closes any open container on the ground
		1095	if (container && !container->env)
		1096	// this causes spurious floorbox updates, but it ensures
		1097	// that the CLOSE event is being sent.
		1098	close_container ();
		1099
957	--map->players;	1100	--map->players;
958	map->touch ();	1101	map->touch ();
		1102	}
		1103	else if (pl->container == this)
		1104	{
		1105	// removing a container should close it
		1106	close_container ();
		1107	}
		1108
		1109	esrv_del_item (pl->contr, count);
959	}	1110	}
960
961	map->dirty = true;
962		1111
963	/* link the object above us */	1112	/* link the object above us */
964	if (above)	1113	if (above)
965	above->below = below;	1114	above->below = below;
966	else	1115	else
967	map->at (x, y).top = below; /* we were top, set new top */	1116	ms.top = below; /* we were top, set new top */
968		1117
969	/* Relink the object below us, if there is one */	1118	/* Relink the object below us, if there is one */
970	if (below)	1119	if (below)
971	below->above = above;	1120	below->above = above;
972	else	1121	else
973	{	1122	ms.bot = above;
974	/* Nothing below, which means we need to relink map object for this space
975	* use translated coordinates in case some oddness with map tiling is
976	* evident
977	*/
978	if (GET_MAP_OB (map, x, y) != this)
979	{
980	char *dump = dump_object (this);
981	LOG (llevError,
982	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);
983	free (dump);
984	dump = dump_object (GET_MAP_OB (map, x, y));
985	LOG (llevError, "%s\n", dump);
986	free (dump);
987	}
988
989	map->at (x, y).bot = above; /* goes on above it. */
990	}
991		1123
992	above = 0;	1124	above = 0;
993	below = 0;	1125	below = 0;
994		1126
995	if (map->in_memory == MAP_SAVING)	1127	if (map->in_memory == MAP_SAVING)
996	return;	1128	return;
997		1129
998	int check_walk_off = !flag [FLAG_NO_APPLY];	1130	int check_walk_off = !flag [FLAG_NO_APPLY];
999		1131
		1132	if (object *pl = ms.player ())
		1133	{
		1134	if (pl->container == this)
		1135	/* If a container that the player is currently using somehow gets
		1136	* removed (most likely destroyed), update the player view
		1137	* appropriately.
		1138	*/
		1139	pl->close_container ();
		1140
		1141	//TODO: the floorbox prev/next might need updating
		1142	//esrv_del_item (pl->contr, count);
		1143	//TODO: update floorbox to preserve ordering
		1144	if (pl->contr->ns)
		1145	pl->contr->ns->floorbox_update ();
		1146	}
		1147
1000	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1148	for (tmp = ms.bot; tmp; tmp = tmp->above)
1001	{	1149	{
1002	/* No point updating the players look faces if he is the object	1150	/* No point updating the players look faces if he is the object
1003	* being removed.	1151	* being removed.
1004	*/	1152	*/
1005
1006	if (tmp->type == PLAYER && tmp != this)
1007	{
1008	/* If a container that the player is currently using somehow gets
1009	* removed (most likely destroyed), update the player view
1010	* appropriately.
1011	*/
1012	if (tmp->container == this)
1013	{
1014	flag [FLAG_APPLIED] = 0;
1015	tmp->container = 0;
1016	}
1017
1018	if (tmp->contr->ns)
1019	tmp->contr->ns->floorbox_update ();
1020	}
1021		1153
1022	/* See if object moving off should effect something */	1154	/* See if object moving off should effect something */
1023	if (check_walk_off	1155	if (check_walk_off
1024	&& ((move_type & tmp->move_off)	1156	&& ((move_type & tmp->move_off)
1025	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1157	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1028		1160
1029	if (destroyed ())	1161	if (destroyed ())
1030	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1162	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1031	}	1163	}
1032		1164
1033	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1034	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1035	if (tmp->above == tmp)
1036	tmp->above = 0;
1037
1038	last = tmp;	1165	last = tmp;
1039	}	1166	}
1040		1167
1041	/* last == NULL if there are no objects on this space */	1168	/* last == NULL if there are no objects on this space */
1042	//TODO: this makes little sense, why only update the topmost object?	1169	//TODO: this makes little sense, why only update the topmost object?
…		…
1062	merge_ob (object *op, object *top)	1189	merge_ob (object *op, object *top)
1063	{	1190	{
1064	if (!op->nrof)	1191	if (!op->nrof)
1065	return 0;	1192	return 0;
1066		1193
1067	if (top)	1194	if (!top)
1068	for (top = op; top && top->above; top = top->above)	1195	for (top = op; top && top->above; top = top->above)
1069	;	1196	;
1070		1197
1071	for (; top; top = top->below)	1198	for (; top; top = top->below)
1072	{
1073	if (top == op)
1074	continue;
1075
1076	if (object::can_merge (op, top))	1199	if (object::can_merge (op, top))
1077	{	1200	{
1078	top->nrof += op->nrof;	1201	top->nrof += op->nrof;
1079		1202
1080	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1203	if (object *pl = top->visible_to ())
1081	op->weight = 0; /* Don't want any adjustements now */	1204	esrv_update_item (UPD_NROF, pl, top);
		1205
		1206	op->weight = 0; // cancel the addition above
		1207	op->carrying = 0; // must be 0 already
		1208
1082	op->destroy ();	1209	op->destroy (1);
		1210
1083	return top;	1211	return top;
1084	}	1212	}
1085	}
1086		1213
1087	return 0;	1214	return 0;
1088	}	1215	}
1089		1216
		1217	void
		1218	object::expand_tail ()
		1219	{
		1220	if (more)
		1221	return;
		1222
		1223	object *prev = this;
		1224
		1225	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1226	{
		1227	object *op = arch_to_object (at);
		1228
		1229	op->name = name;
		1230	op->name_pl = name_pl;
		1231	op->title = title;
		1232
		1233	op->head = this;
		1234	prev->more = op;
		1235
		1236	prev = op;
		1237	}
		1238	}
		1239
1090	/*	1240	/*
1091	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1241	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1092	* job preparing multi-part monsters	1242	* job preparing multi-part monsters.
1093	*/	1243	*/
1094	object *	1244	object *
1095	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1245	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1096	{	1246	{
1097	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1247	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1098	{	1248	{
1099	tmp->x = x + tmp->arch->clone.x;	1249	tmp->x = x + tmp->arch->x;
1100	tmp->y = y + tmp->arch->clone.y;	1250	tmp->y = y + tmp->arch->y;
1101	}	1251	}
1102		1252
1103	return insert_ob_in_map (op, m, originator, flag);	1253	return insert_ob_in_map (op, m, originator, flag);
1104	}	1254	}
1105		1255
…		…
1124	* just 'op' otherwise	1274	* just 'op' otherwise
1125	*/	1275	*/
1126	object *	1276	object *
1127	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1277	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1128	{	1278	{
1129	object *tmp, *top, *floor = NULL;	1279	assert (!op->flag [FLAG_FREED]);
1130	sint16 x, y;
1131		1280
1132	if (QUERY_FLAG (op, FLAG_FREED))	1281	op->remove ();
1133	{
1134	LOG (llevError, "Trying to insert freed object!\n");
1135	return NULL;
1136	}
1137
1138	if (!m)
1139	{
1140	char *dump = dump_object (op);
1141	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1142	free (dump);
1143	return op;
1144	}
1145
1146	if (out_of_map (m, op->x, op->y))
1147	{
1148	char *dump = dump_object (op);
1149	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1150	#ifdef MANY_CORES
1151	/* Better to catch this here, as otherwise the next use of this object
1152	* is likely to cause a crash. Better to find out where it is getting
1153	* improperly inserted.
1154	*/
1155	abort ();
1156	#endif
1157	free (dump);
1158	return op;
1159	}
1160
1161	if (!QUERY_FLAG (op, FLAG_REMOVED))
1162	{
1163	char *dump = dump_object (op);
1164	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1165	free (dump);
1166	return op;
1167	}
1168
1169	if (op->more)
1170	{
1171	/* The part may be on a different map. */
1172
1173	object *more = op->more;
1174
1175	/* We really need the caller to normalise coordinates - if
1176	* we set the map, that doesn't work if the location is within
1177	* a map and this is straddling an edge. So only if coordinate
1178	* is clear wrong do we normalise it.
1179	*/
1180	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1181	more->map = get_map_from_coord (m, &more->x, &more->y);
1182	else if (!more->map)
1183	{
1184	/* For backwards compatibility - when not dealing with tiled maps,
1185	* more->map should always point to the parent.
1186	*/
1187	more->map = m;
1188	}
1189
1190	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1191	{
1192	if (!op->head)
1193	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1194
1195	return 0;
1196	}
1197	}
1198
1199	CLEAR_FLAG (op, FLAG_REMOVED);
1200		1282
1201	/* Ideally, the caller figures this out. However, it complicates a lot	1283	/* Ideally, the caller figures this out. However, it complicates a lot
1202	* of areas of callers (eg, anything that uses find_free_spot would now	1284	* of areas of callers (eg, anything that uses find_free_spot would now
1203	* need extra work	1285	* need extra work
1204	*/	1286	*/
1205	op->map = get_map_from_coord (m, &op->x, &op->y);	1287	if (!xy_normalise (m, op->x, op->y))
1206	x = op->x;	1288	{
1207	y = op->y;	1289	op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found
		1290	return 0;
		1291	}
		1292
		1293	if (object *more = op->more)
		1294	if (!insert_ob_in_map (more, m, originator, flag))
		1295	return 0;
		1296
		1297	CLEAR_FLAG (op, FLAG_REMOVED);
		1298
		1299	op->map = m;
		1300	mapspace &ms = op->ms ();
1208		1301
1209	/* this has to be done after we translate the coordinates.	1302	/* this has to be done after we translate the coordinates.
1210	*/	1303	*/
1211	if (op->nrof && !(flag & INS_NO_MERGE))	1304	if (op->nrof && !(flag & INS_NO_MERGE))
1212	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)	1305	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1213	if (object::can_merge (op, tmp))	1306	if (object::can_merge (op, tmp))
1214	{	1307	{
		1308	// TODO: we atcually want to update tmp, not op,
		1309	// but some caller surely breaks when we return tmp
		1310	// from here :/
1215	op->nrof += tmp->nrof;	1311	op->nrof += tmp->nrof;
1216	tmp->destroy ();	1312	tmp->destroy (1);
1217	}	1313	}
1218		1314
1219	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1315	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1220	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1316	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1221		1317
…		…
1234	op->below = originator->below;	1330	op->below = originator->below;
1235		1331
1236	if (op->below)	1332	if (op->below)
1237	op->below->above = op;	1333	op->below->above = op;
1238	else	1334	else
1239	op->ms ().bot = op;	1335	ms.bot = op;
1240		1336
1241	/* since *below* originator, no need to update top */	1337	/* since *below* originator, no need to update top */
1242	originator->below = op;	1338	originator->below = op;
1243	}	1339	}
1244	else	1340	else
1245	{	1341	{
		1342	object *top, *floor = NULL;
		1343
		1344	top = ms.bot;
		1345
1246	/* If there are other objects, then */	1346	/* If there are other objects, then */
1247	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1347	if (top)
1248	{	1348	{
1249	object *last = 0;	1349	object *last = 0;
1250		1350
1251	/*	1351	/*
1252	* If there are multiple objects on this space, we do some trickier handling.	1352	* If there are multiple objects on this space, we do some trickier handling.
…		…
1258	* once we get to them. This reduces the need to traverse over all of	1358	* once we get to them. This reduces the need to traverse over all of
1259	* them when adding another one - this saves quite a bit of cpu time	1359	* them when adding another one - this saves quite a bit of cpu time
1260	* when lots of spells are cast in one area. Currently, it is presumed	1360	* when lots of spells are cast in one area. Currently, it is presumed
1261	* that flying non pickable objects are spell objects.	1361	* that flying non pickable objects are spell objects.
1262	*/	1362	*/
1263	while (top)	1363	for (top = ms.bot; top; top = top->above)
1264	{	1364	{
1265	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1365	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1266	floor = top;	1366	floor = top;
1267		1367
1268	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1368	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1271	top = top->below;	1371	top = top->below;
1272	break;	1372	break;
1273	}	1373	}
1274		1374
1275	last = top;	1375	last = top;
1276	top = top->above;
1277	}	1376	}
1278		1377
1279	/* Don't want top to be NULL, so set it to the last valid object */	1378	/* Don't want top to be NULL, so set it to the last valid object */
1280	top = last;	1379	top = last;
1281		1380
…		…
1283	* looks like instead of lots of conditions here.	1382	* looks like instead of lots of conditions here.
1284	* makes things faster, and effectively the same result.	1383	* makes things faster, and effectively the same result.
1285	*/	1384	*/
1286		1385
1287	/* Have object 'fall below' other objects that block view.	1386	/* Have object 'fall below' other objects that block view.
1288	* Unless those objects are exits, type 66	1387	* Unless those objects are exits.
1289	* If INS_ON_TOP is used, don't do this processing	1388	* If INS_ON_TOP is used, don't do this processing
1290	* Need to find the object that in fact blocks view, otherwise	1389	* Need to find the object that in fact blocks view, otherwise
1291	* stacking is a bit odd.	1390	* stacking is a bit odd.
1292	*/	1391	*/
1293	if (!(flag & INS_ON_TOP) &&	1392	if (!(flag & INS_ON_TOP)
1294	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1393	&& ms.flags () & P_BLOCKSVIEW
		1394	&& (op->face && !faces [op->face].visibility))
1295	{	1395	{
1296	for (last = top; last != floor; last = last->below)	1396	for (last = top; last != floor; last = last->below)
1297	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1397	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1298	break;	1398	break;
		1399
1299	/* Check to see if we found the object that blocks view,	1400	/* Check to see if we found the object that blocks view,
1300	* and make sure we have a below pointer for it so that	1401	* and make sure we have a below pointer for it so that
1301	* we can get inserted below this one, which requires we	1402	* we can get inserted below this one, which requires we
1302	* set top to the object below us.	1403	* set top to the object below us.
1303	*/	1404	*/
1304	if (last && last->below && last != floor)	1405	if (last && last->below && last != floor)
1305	top = last->below;	1406	top = last->below;
1306	}	1407	}
1307	} /* If objects on this space */	1408	} /* If objects on this space */
1308		1409
1309	if (flag & INS_MAP_LOAD)
1310	top = GET_MAP_TOP (op->map, op->x, op->y);
1311
1312	if (flag & INS_ABOVE_FLOOR_ONLY)	1410	if (flag & INS_ABOVE_FLOOR_ONLY)
1313	top = floor;	1411	top = floor;
1314		1412
1315	/* Top is the object that our object (op) is going to get inserted above.	1413	/* Top is the object that our object (op) is going to get inserted above.
1316	*/	1414	*/
1317		1415
1318	/* First object on this space */	1416	/* First object on this space */
1319	if (!top)	1417	if (!top)
1320	{	1418	{
1321	op->above = GET_MAP_OB (op->map, op->x, op->y);	1419	op->above = ms.bot;
1322		1420
1323	if (op->above)	1421	if (op->above)
1324	op->above->below = op;	1422	op->above->below = op;
1325		1423
1326	op->below = 0;	1424	op->below = 0;
1327	op->ms ().bot = op;	1425	ms.bot = op;
1328	}	1426	}
1329	else	1427	else
1330	{ /* get inserted into the stack above top */	1428	{ /* get inserted into the stack above top */
1331	op->above = top->above;	1429	op->above = top->above;
1332		1430
…		…
1336	op->below = top;	1434	op->below = top;
1337	top->above = op;	1435	top->above = op;
1338	}	1436	}
1339		1437
1340	if (!op->above)	1438	if (!op->above)
1341	op->ms ().top = op;	1439	ms.top = op;
1342	} /* else not INS_BELOW_ORIGINATOR */	1440	} /* else not INS_BELOW_ORIGINATOR */
1343		1441
1344	if (op->type == PLAYER)	1442	if (op->type == PLAYER)
1345	{	1443	{
1346	op->contr->do_los = 1;	1444	op->contr->do_los = 1;
…		…
1348	op->map->touch ();	1446	op->map->touch ();
1349	}	1447	}
1350		1448
1351	op->map->dirty = true;	1449	op->map->dirty = true;
1352		1450
1353	/* If we have a floor, we know the player, if any, will be above
1354	* it, so save a few ticks and start from there.
1355	*/
1356	if (!(flag & INS_MAP_LOAD))
1357	if (object *pl = op->ms ().player ())	1451	if (object *pl = ms.player ())
		1452	//TODO: the floorbox prev/next might need updating
		1453	//esrv_send_item (pl, op);
		1454	//TODO: update floorbox to preserve ordering
1358	if (pl->contr->ns)	1455	if (pl->contr->ns)
1359	pl->contr->ns->floorbox_update ();	1456	pl->contr->ns->floorbox_update ();
1360		1457
1361	/* If this object glows, it may affect lighting conditions that are	1458	/* If this object glows, it may affect lighting conditions that are
1362	* visible to others on this map. But update_all_los is really	1459	* visible to others on this map. But update_all_los is really
1363	* an inefficient way to do this, as it means los for all players	1460	* an inefficient way to do this, as it means los for all players
1364	* on the map will get recalculated. The players could very well	1461	* on the map will get recalculated. The players could very well
…		…
1383	* blocked() and wall() work properly), and these flags are updated by	1480	* blocked() and wall() work properly), and these flags are updated by
1384	* update_object().	1481	* update_object().
1385	*/	1482	*/
1386		1483
1387	/* if this is not the head or flag has been passed, don't check walk on status */	1484	/* if this is not the head or flag has been passed, don't check walk on status */
1388	if (!(flag & INS_NO_WALK_ON) && !op->head)	1485	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1389	{	1486	{
1390	if (check_move_on (op, originator))	1487	if (check_move_on (op, originator))
1391	return 0;	1488	return 0;
1392		1489
1393	/* If we are a multi part object, lets work our way through the check	1490	/* If we are a multi part object, lets work our way through the check
1394	* walk on's.	1491	* walk on's.
1395	*/	1492	*/
1396	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1493	for (object *tmp = op->more; tmp; tmp = tmp->more)
1397	if (check_move_on (tmp, originator))	1494	if (check_move_on (tmp, originator))
1398	return 0;	1495	return 0;
1399	}	1496	}
1400		1497
1401	return op;	1498	return op;
…		…
1406	* op is the object to insert it under: supplies x and the map.	1503	* op is the object to insert it under: supplies x and the map.
1407	*/	1504	*/
1408	void	1505	void
1409	replace_insert_ob_in_map (const char *arch_string, object *op)	1506	replace_insert_ob_in_map (const char *arch_string, object *op)
1410	{	1507	{
1411	object *tmp, *tmp1;
1412
1413	/* first search for itself and remove any old instances */	1508	/* first search for itself and remove any old instances */
1414		1509
1415	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1510	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1416	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1511	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1417	tmp->destroy ();	1512	tmp->destroy (1);
1418		1513
1419	tmp1 = arch_to_object (archetype::find (arch_string));	1514	object *tmp = arch_to_object (archetype::find (arch_string));
1420		1515
1421	tmp1->x = op->x;	1516	tmp->x = op->x;
1422	tmp1->y = op->y;	1517	tmp->y = op->y;
		1518
1423	insert_ob_in_map (tmp1, op->map, op, 0);	1519	insert_ob_in_map (tmp, op->map, op, 0);
1424	}	1520	}
1425		1521
1426	object *	1522	object *
1427	object::insert_at (object *where, object *originator, int flags)	1523	object::insert_at (object *where, object *originator, int flags)
1428	{	1524	{
		1525	if (where->env)
		1526	return where->env->insert (this);
		1527	else
1429	where->map->insert (this, where->x, where->y, originator, flags);	1528	return where->map->insert (this, where->x, where->y, originator, flags);
1430	}	1529	}
1431		1530
1432	/*	1531	/*
1433	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1434	* is returned contains nr objects, and the remaining parts contains
1435	* the rest (or is removed and freed if that number is 0).
1436	* On failure, NULL is returned, and the reason put into the
1437	* global static errmsg array.
1438	*/
1439	object *
1440	get_split_ob (object *orig_ob, uint32 nr)
1441	{
1442	object *newob;
1443	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1444
1445	if (orig_ob->nrof < nr)
1446	{
1447	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1448	return NULL;
1449	}
1450
1451	newob = object_create_clone (orig_ob);
1452
1453	if ((orig_ob->nrof -= nr) < 1)
1454	orig_ob->destroy (1);
1455	else if (!is_removed)
1456	{
1457	if (orig_ob->env != NULL)
1458	sub_weight (orig_ob->env, orig_ob->weight * nr);
1459	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1460	{
1461	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1462	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1463	return NULL;
1464	}
1465	}
1466
1467	newob->nrof = nr;
1468
1469	return newob;
1470	}
1471
1472	/*
1473	* decrease_ob_nr(object, number) decreases a specified number from	1532	* decrease(object, number) decreases a specified number from
1474	* the amount of an object. If the amount reaches 0, the object	1533	* the amount of an object. If the amount reaches 0, the object
1475	* is subsequently removed and freed.	1534	* is subsequently removed and freed.
1476	*	1535	*
1477	* Return value: 'op' if something is left, NULL if the amount reached 0	1536	* Return value: 'op' if something is left, NULL if the amount reached 0
1478	*/	1537	*/
		1538	bool
		1539	object::decrease (sint32 nr)
		1540	{
		1541	if (!nr)
		1542	return true;
1479		1543
		1544	nr = min (nr, nrof);
		1545
		1546	nrof -= nr;
		1547
		1548	if (nrof)
		1549	{
		1550	adjust_weight (env, -weight * nr); // carrying == 0
		1551
		1552	if (object *pl = visible_to ())
		1553	esrv_update_item (UPD_NROF, pl, this);
		1554
		1555	return true;
		1556	}
		1557	else
		1558	{
		1559	destroy (1);
		1560	return false;
		1561	}
		1562	}
		1563
		1564	/*
		1565	* split(ob,nr) splits up ob into two parts. The part which
		1566	* is returned contains nr objects, and the remaining parts contains
		1567	* the rest (or is removed and returned if that number is 0).
		1568	* On failure, NULL is returned.
		1569	*/
1480	object *	1570	object *
1481	decrease_ob_nr (object *op, uint32 i)	1571	object::split (sint32 nr)
1482	{	1572	{
1483	object *tmp;	1573	int have = number_of ();
1484		1574
1485	if (i == 0) /* objects with op->nrof require this check */	1575	if (have < nr)
1486	return op;	1576	return 0;
1487		1577	else if (have == nr)
1488	if (i > op->nrof)
1489	i = op->nrof;
1490
1491	if (QUERY_FLAG (op, FLAG_REMOVED))
1492	op->nrof -= i;
1493	else if (op->env)
1494	{	1578	{
1495	/* is this object in the players inventory, or sub container
1496	* therein?
1497	*/
1498	tmp = op->in_player ();
1499	/* nope. Is this a container the player has opened?
1500	* If so, set tmp to that player.
1501	* IMO, searching through all the players will mostly
1502	* likely be quicker than following op->env to the map,
1503	* and then searching the map for a player.
1504	*/
1505	if (!tmp)
1506	for_all_players (pl)
1507	if (pl->ob->container == op->env)
1508	{
1509	tmp = pl->ob;
1510	break;
1511	}
1512
1513	if (i < op->nrof)
1514	{
1515	sub_weight (op->env, op->weight * i);
1516	op->nrof -= i;
1517	if (tmp)
1518	esrv_send_item (tmp, op);
1519	}
1520	else
1521	{
1522	op->remove ();	1579	remove ();
1523	op->nrof = 0;	1580	return this;
1524	if (tmp)
1525	esrv_del_item (tmp->contr, op->count);
1526	}
1527	}	1581	}
1528	else	1582	else
1529	{	1583	{
1530	object *above = op->above;	1584	decrease (nr);
1531		1585
1532	if (i < op->nrof)	1586	object *op = deep_clone ();
1533	op->nrof -= i;	1587	op->nrof = nr;
1534	else
1535	{
1536	op->remove ();
1537	op->nrof = 0;
1538	}
1539
1540	/* Since we just removed op, op->above is null */
1541	for (tmp = above; tmp; tmp = tmp->above)
1542	if (tmp->type == PLAYER)
1543	{
1544	if (op->nrof)
1545	esrv_send_item (tmp, op);
1546	else
1547	esrv_del_item (tmp->contr, op->count);
1548	}
1549	}
1550
1551	if (op->nrof)
1552	return op;	1588	return op;
1553	else
1554	{
1555	op->destroy ();
1556	return 0;
1557	}
1558	}
1559
1560	/*
1561	* add_weight(object, weight) adds the specified weight to an object,
1562	* and also updates how much the environment(s) is/are carrying.
1563	*/
1564
1565	void
1566	add_weight (object *op, signed long weight)
1567	{
1568	while (op != NULL)
1569	{
1570	if (op->type == CONTAINER)
1571	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1572
1573	op->carrying += weight;
1574	op = op->env;
1575	}	1589	}
1576	}	1590	}
1577		1591
1578	object *	1592	object *
1579	insert_ob_in_ob (object *op, object *where)	1593	insert_ob_in_ob (object *op, object *where)
…		…
1584	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1598	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1585	free (dump);	1599	free (dump);
1586	return op;	1600	return op;
1587	}	1601	}
1588		1602
1589	if (where->head)	1603	if (where->head_ () != where)
1590	{	1604	{
1591	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1605	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1592	where = where->head;	1606	where = where->head;
1593	}	1607	}
1594		1608
1595	return where->insert (op);	1609	return where->insert (op);
1596	}	1610	}
…		…
1601	* inside the object environment.	1615	* inside the object environment.
1602	*	1616	*
1603	* The function returns now pointer to inserted item, and return value can	1617	* The function returns now pointer to inserted item, and return value can
1604	* be != op, if items are merged. -Tero	1618	* be != op, if items are merged. -Tero
1605	*/	1619	*/
1606
1607	object *	1620	object *
1608	object::insert (object *op)	1621	object::insert (object *op)
1609	{	1622	{
1610	object *tmp, *otmp;
1611
1612	if (!QUERY_FLAG (op, FLAG_REMOVED))
1613	op->remove ();
1614
1615	if (op->more)	1623	if (op->more)
1616	{	1624	{
1617	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1625	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1618	return op;	1626	return op;
1619	}	1627	}
1620		1628
1621	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1629	op->remove ();
1622	CLEAR_FLAG (op, FLAG_REMOVED);	1630
		1631	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1632
1623	if (op->nrof)	1633	if (op->nrof)
1624	{
1625	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1634	for (object *tmp = inv; tmp; tmp = tmp->below)
1626	if (object::can_merge (tmp, op))	1635	if (object::can_merge (tmp, op))
1627	{	1636	{
1628	/* return the original object and remove inserted object	1637	/* return the original object and remove inserted object
1629	(client needs the original object) */	1638	(client needs the original object) */
1630	tmp->nrof += op->nrof;	1639	tmp->nrof += op->nrof;
1631	/* Weight handling gets pretty funky. Since we are adding to	1640
1632	* tmp->nrof, we need to increase the weight.	1641	if (object *pl = tmp->visible_to ())
1633	*/	1642	esrv_update_item (UPD_NROF, pl, tmp);
		1643
1634	add_weight (this, op->weight * op->nrof);	1644	adjust_weight (this, op->total_weight ());
1635	SET_FLAG (op, FLAG_REMOVED);	1645
1636	op->destroy (); /* free the inserted object */	1646	op->destroy (1);
1637	op = tmp;	1647	op = tmp;
1638	op->remove (); /* and fix old object's links */	1648	goto inserted;
1639	CLEAR_FLAG (op, FLAG_REMOVED);
1640	break;
1641	}	1649	}
1642		1650
1643	/* I assume combined objects have no inventory	1651	op->owner = 0; // it's his/hers now. period.
1644	* We add the weight - this object could have just been removed
1645	* (if it was possible to merge). calling remove_ob will subtract
1646	* the weight, so we need to add it in again, since we actually do
1647	* the linking below
1648	*/
1649	add_weight (this, op->weight * op->nrof);
1650	}
1651	else
1652	add_weight (this, (op->weight + op->carrying));
1653
1654	otmp = this->in_player ();
1655	if (otmp && otmp->contr)
1656	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1657	otmp->update_stats ();
1658
1659	op->map = 0;	1652	op->map = 0;
1660	op->env = this;	1653	op->x = 0;
		1654	op->y = 0;
		1655
1661	op->above = 0;	1656	op->above = 0;
1662	op->below = 0;	1657	op->below = inv;
1663	op->x = 0, op->y = 0;	1658	op->env = this;
1664		1659
		1660	if (inv)
		1661	inv->above = op;
		1662
		1663	inv = op;
		1664
		1665	op->flag [FLAG_REMOVED] = 0;
		1666
		1667	if (object *pl = op->visible_to ())
		1668	esrv_send_item (pl, op);
		1669
		1670	adjust_weight (this, op->total_weight ());
		1671
		1672	inserted:
1665	/* reset the light list and los of the players on the map */	1673	/* reset the light list and los of the players on the map */
1666	if ((op->glow_radius != 0) && map)	1674	if (op->glow_radius && map && map->darkness)
1667	{
1668	#ifdef DEBUG_LIGHTS
1669	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1670	#endif /* DEBUG_LIGHTS */
1671	if (map->darkness)
1672	update_all_los (map, x, y);	1675	update_all_los (map, x, y);
1673	}
1674		1676
1675	/* Client has no idea of ordering so lets not bother ordering it here.	1677	// if this is a player's inventory, update stats
1676	* It sure simplifies this function...	1678	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1677	*/	1679	update_stats ();
1678	if (!inv)
1679	inv = op;
1680	else
1681	{
1682	op->below = inv;
1683	op->below->above = op;
1684	inv = op;
1685	}
1686		1680
1687	INVOKE_OBJECT (INSERT, this);	1681	INVOKE_OBJECT (INSERT, this);
1688		1682
1689	return op;	1683	return op;
1690	}	1684	}
…		…
1771	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1765	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1772	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1766	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1773	{	1767	{
1774		1768
1775	float	1769	float
1776	diff = tmp->move_slow_penalty * FABS (op->speed);	1770	diff = tmp->move_slow_penalty * fabs (op->speed);
1777		1771
1778	if (op->type == PLAYER)	1772	if (op->type == PLAYER)
1779	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1773	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1780	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1774	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1781	diff /= 4.0;	1775	diff /= 4.0;
…		…
1818	LOG (llevError, "Present_arch called outside map.\n");	1812	LOG (llevError, "Present_arch called outside map.\n");
1819	return NULL;	1813	return NULL;
1820	}	1814	}
1821		1815
1822	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1816	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1823	if (tmp->arch == at)	1817	if (tmp->arch->archname == at->archname)
1824	return tmp;	1818	return tmp;
1825		1819
1826	return NULL;	1820	return NULL;
1827	}	1821	}
1828		1822
…		…
1892	* The first matching object is returned, or NULL if none.	1886	* The first matching object is returned, or NULL if none.
1893	*/	1887	*/
1894	object *	1888	object *
1895	present_arch_in_ob (const archetype *at, const object *op)	1889	present_arch_in_ob (const archetype *at, const object *op)
1896	{	1890	{
1897	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1891	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1898	if (tmp->arch == at)	1892	if (tmp->arch->archname == at->archname)
1899	return tmp;	1893	return tmp;
1900		1894
1901	return NULL;	1895	return NULL;
1902	}	1896	}
1903		1897
…		…
1905	* activate recursively a flag on an object inventory	1899	* activate recursively a flag on an object inventory
1906	*/	1900	*/
1907	void	1901	void
1908	flag_inv (object *op, int flag)	1902	flag_inv (object *op, int flag)
1909	{	1903	{
1910	if (op->inv)
1911	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1904	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1912	{	1905	{
1913	SET_FLAG (tmp, flag);	1906	SET_FLAG (tmp, flag);
1914	flag_inv (tmp, flag);	1907	flag_inv (tmp, flag);
1915	}	1908	}
1916	}	1909	}
1917		1910
1918	/*	1911	/*
1919	* deactivate recursively a flag on an object inventory	1912	* deactivate recursively a flag on an object inventory
1920	*/	1913	*/
1921	void	1914	void
1922	unflag_inv (object *op, int flag)	1915	unflag_inv (object *op, int flag)
1923	{	1916	{
1924	if (op->inv)
1925	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1917	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1926	{	1918	{
1927	CLEAR_FLAG (tmp, flag);	1919	CLEAR_FLAG (tmp, flag);
1928	unflag_inv (tmp, flag);	1920	unflag_inv (tmp, flag);
1929	}	1921	}
1930	}
1931
1932	/*
1933	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1934	* all it's inventory (recursively).
1935	* If checksums are used, a player will get set_cheat called for
1936	* him/her-self and all object carried by a call to this function.
1937	*/
1938	void
1939	set_cheat (object *op)
1940	{
1941	SET_FLAG (op, FLAG_WAS_WIZ);
1942	flag_inv (op, FLAG_WAS_WIZ);
1943	}	1922	}
1944		1923
1945	/*	1924	/*
1946	* find_free_spot(object, map, x, y, start, stop) will search for	1925	* find_free_spot(object, map, x, y, start, stop) will search for
1947	* a spot at the given map and coordinates which will be able to contain	1926	* a spot at the given map and coordinates which will be able to contain
…		…
1949	* to search (see the freearr_x/y[] definition).	1928	* to search (see the freearr_x/y[] definition).
1950	* It returns a random choice among the alternatives found.	1929	* It returns a random choice among the alternatives found.
1951	* start and stop are where to start relative to the free_arr array (1,9	1930	* start and stop are where to start relative to the free_arr array (1,9
1952	* does all 4 immediate directions). This returns the index into the	1931	* does all 4 immediate directions). This returns the index into the
1953	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1932	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1954	* Note - this only checks to see if there is space for the head of the
1955	* object - if it is a multispace object, this should be called for all
1956	* pieces.
1957	* Note2: This function does correctly handle tiled maps, but does not	1933	* Note: This function does correctly handle tiled maps, but does not
1958	* inform the caller. However, insert_ob_in_map will update as	1934	* inform the caller. However, insert_ob_in_map will update as
1959	* necessary, so the caller shouldn't need to do any special work.	1935	* necessary, so the caller shouldn't need to do any special work.
1960	* Note - updated to take an object instead of archetype - this is necessary	1936	* Note - updated to take an object instead of archetype - this is necessary
1961	* because arch_blocked (now ob_blocked) needs to know the movement type	1937	* because arch_blocked (now ob_blocked) needs to know the movement type
1962	* to know if the space in question will block the object. We can't use	1938	* to know if the space in question will block the object. We can't use
…		…
1964	* customized, changed states, etc.	1940	* customized, changed states, etc.
1965	*/	1941	*/
1966	int	1942	int
1967	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1943	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1968	{	1944	{
		1945	int altern[SIZEOFFREE];
1969	int index = 0, flag;	1946	int index = 0, flag;
1970	int altern[SIZEOFFREE];
1971		1947
1972	for (int i = start; i < stop; i++)	1948	for (int i = start; i < stop; i++)
1973	{	1949	{
1974	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1950	mapxy pos (m, x, y); pos.move (i);
1975	if (!flag)	1951
		1952	if (!pos.normalise ())
		1953	continue;
		1954
		1955	mapspace &ms = *pos;
		1956
		1957	if (ms.flags () & P_IS_ALIVE)
		1958	continue;
		1959
		1960	/* However, often
		1961	* ob doesn't have any move type (when used to place exits)
		1962	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1963	*/
		1964	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1965	{
1976	altern [index++] = i;	1966	altern [index++] = i;
		1967	continue;
		1968	}
1977		1969
1978	/* Basically, if we find a wall on a space, we cut down the search size.	1970	/* Basically, if we find a wall on a space, we cut down the search size.
1979	* In this way, we won't return spaces that are on another side of a wall.	1971	* In this way, we won't return spaces that are on another side of a wall.
1980	* This mostly work, but it cuts down the search size in all directions -	1972	* This mostly work, but it cuts down the search size in all directions -
1981	* if the space being examined only has a wall to the north and empty	1973	* if the space being examined only has a wall to the north and empty
1982	* spaces in all the other directions, this will reduce the search space	1974	* spaces in all the other directions, this will reduce the search space
1983	* to only the spaces immediately surrounding the target area, and	1975	* to only the spaces immediately surrounding the target area, and
1984	* won't look 2 spaces south of the target space.	1976	* won't look 2 spaces south of the target space.
1985	*/	1977	*/
1986	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1978	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1979	{
1987	stop = maxfree[i];	1980	stop = maxfree[i];
		1981	continue;
		1982	}
		1983
		1984	/* Note it is intentional that we check ob - the movement type of the
		1985	* head of the object should correspond for the entire object.
		1986	*/
		1987	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1988	continue;
		1989
		1990	if (ob->blocked (m, pos.x, pos.y))
		1991	continue;
		1992
		1993	altern [index++] = i;
1988	}	1994	}
1989		1995
1990	if (!index)	1996	if (!index)
1991	return -1;	1997	return -1;
1992		1998
1993	return altern[RANDOM () % index];	1999	return altern [rndm (index)];
1994	}	2000	}
1995		2001
1996	/*	2002	/*
1997	* find_first_free_spot(archetype, maptile, x, y) works like	2003	* find_first_free_spot(archetype, maptile, x, y) works like
1998	* find_free_spot(), but it will search max number of squares.	2004	* find_free_spot(), but it will search max number of squares.
…		…
2001	*/	2007	*/
2002	int	2008	int
2003	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2009	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2004	{	2010	{
2005	for (int i = 0; i < SIZEOFFREE; i++)	2011	for (int i = 0; i < SIZEOFFREE; i++)
2006	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2012	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2007	return i;	2013	return i;
2008		2014
2009	return -1;	2015	return -1;
2010	}	2016	}
2011		2017
…		…
2019	{	2025	{
2020	arr += begin;	2026	arr += begin;
2021	end -= begin;	2027	end -= begin;
2022		2028
2023	while (--end)	2029	while (--end)
2024	swap (arr [end], arr [RANDOM () % (end + 1)]);	2030	swap (arr [end], arr [rndm (end + 1)]);
2025	}	2031	}
2026		2032
2027	/* new function to make monster searching more efficient, and effective!	2033	/* new function to make monster searching more efficient, and effective!
2028	* This basically returns a randomized array (in the passed pointer) of	2034	* This basically returns a randomized array (in the passed pointer) of
2029	* the spaces to find monsters. In this way, it won't always look for	2035	* the spaces to find monsters. In this way, it won't always look for
…		…
2065	object *tmp;	2071	object *tmp;
2066	maptile *mp;	2072	maptile *mp;
2067		2073
2068	MoveType blocked, move_type;	2074	MoveType blocked, move_type;
2069		2075
2070	if (exclude && exclude->head)	2076	if (exclude && exclude->head_ () != exclude)
2071	{	2077	{
2072	exclude = exclude->head;	2078	exclude = exclude->head;
2073	move_type = exclude->move_type;	2079	move_type = exclude->move_type;
2074	}	2080	}
2075	else	2081	else
…		…
2098	max = maxfree[i];	2104	max = maxfree[i];
2099	else if (mflags & P_IS_ALIVE)	2105	else if (mflags & P_IS_ALIVE)
2100	{	2106	{
2101	for (tmp = ms.bot; tmp; tmp = tmp->above)	2107	for (tmp = ms.bot; tmp; tmp = tmp->above)
2102	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2108	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2103	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2109	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2104	break;	2110	break;
2105		2111
2106	if (tmp)	2112	if (tmp)
2107	return freedir[i];	2113	return freedir[i];
2108	}	2114	}
…		…
2163		2169
2164	return 3;	2170	return 3;
2165	}	2171	}
2166		2172
2167	/*	2173	/*
2168	* absdir(int): Returns a number between 1 and 8, which represent
2169	* the "absolute" direction of a number (it actually takes care of
2170	* "overflow" in previous calculations of a direction).
2171	*/
2172
2173	int
2174	absdir (int d)
2175	{
2176	while (d < 1)
2177	d += 8;
2178
2179	while (d > 8)
2180	d -= 8;
2181
2182	return d;
2183	}
2184
2185	/*
2186	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2174	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2187	* between two directions (which are expected to be absolute (see absdir())	2175	* between two directions (which are expected to be absolute (see absdir())
2188	*/	2176	*/
2189
2190	int	2177	int
2191	dirdiff (int dir1, int dir2)	2178	dirdiff (int dir1, int dir2)
2192	{	2179	{
2193	int d;	2180	int d;
2194		2181
…		…
2307	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2294	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2308	* core dumps if they do.	2295	* core dumps if they do.
2309	*	2296	*
2310	* Add a check so we can't pick up invisible objects (0.93.8)	2297	* Add a check so we can't pick up invisible objects (0.93.8)
2311	*/	2298	*/
2312
2313	int	2299	int
2314	can_pick (const object *who, const object *item)	2300	can_pick (const object *who, const object *item)
2315	{	2301	{
2316	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2302	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2317	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2303	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2320		2306
2321	/*	2307	/*
2322	* create clone from object to another	2308	* create clone from object to another
2323	*/	2309	*/
2324	object *	2310	object *
2325	object_create_clone (object *asrc)	2311	object::deep_clone ()
2326	{	2312	{
2327	object *dst = 0, *tmp, *src, *part, *prev, *item;	2313	assert (("deep_clone called on non-head object", is_head ()));
2328		2314
2329	if (!asrc)	2315	object *dst = clone ();
2330	return 0;
2331		2316
2332	src = asrc;	2317	object *prev = dst;
2333	if (src->head)
2334	src = src->head;
2335
2336	prev = 0;
2337	for (part = src; part; part = part->more)	2318	for (object *part = this->more; part; part = part->more)
2338	{	2319	{
2339	tmp = part->clone ();	2320	object *tmp = part->clone ();
2340	tmp->x -= src->x;
2341	tmp->y -= src->y;
2342
2343	if (!part->head)
2344	{
2345	dst = tmp;
2346	tmp->head = 0;
2347	}
2348	else
2349	tmp->head = dst;	2321	tmp->head = dst;
2350
2351	tmp->more = 0;
2352
2353	if (prev)
2354	prev->more = tmp;	2322	prev->more = tmp;
2355
2356	prev = tmp;	2323	prev = tmp;
2357	}	2324	}
2358		2325
2359	for (item = src->inv; item; item = item->below)	2326	for (object *item = inv; item; item = item->below)
2360	insert_ob_in_ob (object_create_clone (item), dst);	2327	insert_ob_in_ob (item->deep_clone (), dst);
2361		2328
2362	return dst;	2329	return dst;
2363	}
2364
2365	/* GROS - Creates an object using a string representing its content. */
2366	/* Basically, we save the content of the string to a temp file, then call */
2367	/* load_object on it. I admit it is a highly inefficient way to make things, */
2368	/* but it was simple to make and allows reusing the load_object function. */
2369	/* Remember not to use load_object_str in a time-critical situation. */
2370	/* Also remember that multiparts objects are not supported for now. */
2371	object *
2372	load_object_str (const char *obstr)
2373	{
2374	object *op;
2375	char filename[MAX_BUF];
2376
2377	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2378
2379	FILE *tempfile = fopen (filename, "w");
2380
2381	if (tempfile == NULL)
2382	{
2383	LOG (llevError, "Error - Unable to access load object temp file\n");
2384	return NULL;
2385	}
2386
2387	fprintf (tempfile, obstr);
2388	fclose (tempfile);
2389
2390	op = object::create ();
2391
2392	object_thawer thawer (filename);
2393
2394	if (thawer)
2395	load_object (thawer, op, 0);
2396
2397	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2398	CLEAR_FLAG (op, FLAG_REMOVED);
2399
2400	return op;
2401	}	2330	}
2402		2331
2403	/* This returns the first object in who's inventory that	2332	/* This returns the first object in who's inventory that
2404	* has the same type and subtype match.	2333	* has the same type and subtype match.
2405	* returns NULL if no match.	2334	* returns NULL if no match.
…		…
2412	return tmp;	2341	return tmp;
2413		2342
2414	return 0;	2343	return 0;
2415	}	2344	}
2416		2345
2417	/* If ob has a field named key, return the link from the list,	2346	const shstr &
2418	* otherwise return NULL.	2347	object::kv_get (const shstr &key) const
2419	*
2420	* key must be a passed in shared string - otherwise, this won't
2421	* do the desired thing.
2422	*/
2423	key_value *
2424	get_ob_key_link (const object *ob, const char *key)
2425	{	2348	{
2426	for (key_value *link = ob->key_values; link; link = link->next)	2349	for (key_value *kv = key_values; kv; kv = kv->next)
2427	if (link->key == key)	2350	if (kv->key == key)
2428	return link;
2429
2430	return 0;
2431	}
2432
2433	/*
2434	* Returns the value of op has an extra_field for key, or NULL.
2435	*
2436	* The argument doesn't need to be a shared string.
2437	*
2438	* The returned string is shared.
2439	*/
2440	const char *
2441	get_ob_key_value (const object *op, const char *const key)
2442	{
2443	key_value *link;
2444	shstr_cmp canonical_key (key);
2445
2446	if (!canonical_key)
2447	{
2448	/* 1. There being a field named key on any object
2449	* implies there'd be a shared string to find.
2450	* 2. Since there isn't, no object has this field.
2451	* 3. Therefore, *this* object doesn't have this field.
2452	*/
2453	return 0;
2454	}
2455
2456	/* This is copied from get_ob_key_link() above -
2457	* only 4 lines, and saves the function call overhead.
2458	*/
2459	for (link = op->key_values; link; link = link->next)
2460	if (link->key == canonical_key)
2461	return link->value;	2351	return kv->value;
2462		2352
2463	return 0;	2353	return shstr_null;
2464	}	2354	}
2465		2355
2466		2356	void
2467	/*	2357	object::kv_set (const shstr &key, const shstr &value)
2468	* Updates the canonical_key in op to value.
2469	*
2470	* canonical_key is a shared string (value doesn't have to be).
2471	*
2472	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2473	* keys.
2474	*
2475	* Returns TRUE on success.
2476	*/
2477	int
2478	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2479	{	2358	{
2480	key_value *field = NULL, *last = NULL;	2359	for (key_value *kv = key_values; kv; kv = kv->next)
2481		2360	if (kv->key == key)
2482	for (field = op->key_values; field != NULL; field = field->next)
2483	{
2484	if (field->key != canonical_key)
2485	{	2361	{
2486	last = field;	2362	kv->value = value;
2487	continue;	2363	return;
2488	}	2364	}
2489		2365
2490	if (value)	2366	key_value *kv = new key_value;
2491	field->value = value;	2367
2492	else	2368	kv->next = key_values;
		2369	kv->key = key;
		2370	kv->value = value;
		2371
		2372	key_values = kv;
		2373	}
		2374
		2375	void
		2376	object::kv_del (const shstr &key)
		2377	{
		2378	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2379	if ((*kvp)->key == key)
2493	{	2380	{
2494	/* Basically, if the archetype has this key set,	2381	key_value *kv = *kvp;
2495	* we need to store the null value so when we save	2382	*kvp = (*kvp)->next;
2496	* it, we save the empty value so that when we load,	2383	delete kv;
2497	* we get this value back again.	2384	return;
2498	*/
2499	if (get_ob_key_link (&op->arch->clone, canonical_key))
2500	field->value = 0;
2501	else
2502	{
2503	if (last)
2504	last->next = field->next;
2505	else
2506	op->key_values = field->next;
2507
2508	delete field;
2509	}
2510	}	2385	}
2511	return TRUE;
2512	}
2513	/* IF we get here, key doesn't exist */
2514
2515	/* No field, we'll have to add it. */
2516
2517	if (!add_key)
2518	return FALSE;
2519
2520	/* There isn't any good reason to store a null
2521	* value in the key/value list. If the archetype has
2522	* this key, then we should also have it, so shouldn't
2523	* be here. If user wants to store empty strings,
2524	* should pass in ""
2525	*/
2526	if (value == NULL)
2527	return TRUE;
2528
2529	field = new key_value;
2530
2531	field->key = canonical_key;
2532	field->value = value;
2533	/* Usual prepend-addition. */
2534	field->next = op->key_values;
2535	op->key_values = field;
2536
2537	return TRUE;
2538	}
2539
2540	/*
2541	* Updates the key in op to value.
2542	*
2543	* If add_key is FALSE, this will only update existing keys,
2544	* and not add new ones.
2545	* In general, should be little reason FALSE is ever passed in for add_key
2546	*
2547	* Returns TRUE on success.
2548	*/
2549	int
2550	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2551	{
2552	shstr key_ (key);
2553
2554	return set_ob_key_value_s (op, key_, value, add_key);
2555	}	2386	}
2556		2387
2557	object::depth_iterator::depth_iterator (object *container)	2388	object::depth_iterator::depth_iterator (object *container)
2558	: iterator_base (container)	2389	: iterator_base (container)
2559	{	2390	{
…		…
2572	item = item->inv;	2403	item = item->inv;
2573	}	2404	}
2574	else	2405	else
2575	item = item->env;	2406	item = item->env;
2576	}	2407	}
2577
2578		2408
2579	const char *	2409	const char *
2580	object::flag_desc (char *desc, int len) const	2410	object::flag_desc (char *desc, int len) const
2581	{	2411	{
2582	char *p = desc;	2412	char *p = desc;
…		…
2610	{	2440	{
2611	char flagdesc[512];	2441	char flagdesc[512];
2612	char info2[256 * 4];	2442	char info2[256 * 4];
2613	char *p = info;	2443	char *p = info;
2614		2444
2615	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",	2445	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2616	count, uuid.seq,	2446	count,
		2447	uuid.c_str (),
2617	&name,	2448	&name,
2618	title ? "\",title:" : "",	2449	title ? "\",title:\"" : "",
2619	title ? (const char *)title : "",	2450	title ? (const char *)title : "",
2620	flag_desc (flagdesc, 512), type);	2451	flag_desc (flagdesc, 512), type);
2621		2452
2622	if (env)	2453	if (!flag[FLAG_REMOVED] && env)
2623	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2454	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2624		2455
2625	if (map)	2456	if (map)
2626	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2457	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2627		2458
…		…
2629	}	2460	}
2630		2461
2631	const char *	2462	const char *
2632	object::debug_desc () const	2463	object::debug_desc () const
2633	{	2464	{
2634	static char info[256 * 4];	2465	static char info[3][256 * 4];
		2466	static int info_idx;
		2467
2635	return debug_desc (info);	2468	return debug_desc (info [++info_idx % 3]);
2636	}	2469	}
2637		2470
		2471	struct region *
		2472	object::region () const
		2473	{
		2474	return map ? map->region (x, y)
		2475	: region::default_region ();
		2476	}
		2477
		2478	const materialtype_t *
		2479	object::dominant_material () const
		2480	{
		2481	if (materialtype_t *mt = name_to_material (materialname))
		2482	return mt;
		2483
		2484	return name_to_material (shstr_unknown);
		2485	}
		2486
		2487	void
		2488	object::open_container (object *new_container)
		2489	{
		2490	if (container == new_container)
		2491	return;
		2492
		2493	object *old_container = container;
		2494
		2495	if (old_container)
		2496	{
		2497	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2498	return;
		2499
		2500	#if 0
		2501	// remove the "Close old_container" object.
		2502	if (object *closer = old_container->inv)
		2503	if (closer->type == CLOSE_CON)
		2504	closer->destroy ();
		2505	#endif
		2506
		2507	// make sure the container is available
		2508	esrv_send_item (this, old_container);
		2509
		2510	old_container->flag [FLAG_APPLIED] = false;
		2511	container = 0;
		2512
		2513	// client needs item update to make it work, client bug requires this to be separate
		2514	esrv_update_item (UPD_FLAGS, this, old_container);
		2515
		2516	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2517	play_sound (sound_find ("chest_close"));
		2518	}
		2519
		2520	if (new_container)
		2521	{
		2522	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2523	return;
		2524
		2525	// TODO: this does not seem to serve any purpose anymore?
		2526	#if 0
		2527	// insert the "Close Container" object.
		2528	if (archetype *closer = new_container->other_arch)
		2529	{
		2530	object *closer = arch_to_object (new_container->other_arch);
		2531	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2532	new_container->insert (closer);
		2533	}
		2534	#endif
		2535
		2536	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2537
		2538	// make sure the container is available, client bug requires this to be separate
		2539	esrv_send_item (this, new_container);
		2540
		2541	new_container->flag [FLAG_APPLIED] = true;
		2542	container = new_container;
		2543
		2544	// client needs flag change
		2545	esrv_update_item (UPD_FLAGS, this, new_container);
		2546	esrv_send_inventory (this, new_container);
		2547	play_sound (sound_find ("chest_open"));
		2548	}
		2549	// else if (!old_container->env && contr && contr->ns)
		2550	// contr->ns->floorbox_reset ();
		2551	}
		2552
		2553	object *
		2554	object::force_find (const shstr name)
		2555	{
		2556	/* cycle through his inventory to look for the MARK we want to
		2557	* place
		2558	*/
		2559	for (object *tmp = inv; tmp; tmp = tmp->below)
		2560	if (tmp->type == FORCE && tmp->slaying == name)
		2561	return splay (tmp);
		2562
		2563	return 0;
		2564	}
		2565
		2566	void
		2567	object::force_add (const shstr name, int duration)
		2568	{
		2569	if (object *force = force_find (name))
		2570	force->destroy ();
		2571
		2572	object *force = get_archetype (FORCE_NAME);
		2573
		2574	force->slaying = name;
		2575	force->stats.food = 1;
		2576	force->speed_left = -1.f;
		2577
		2578	force->set_speed (duration ? 1.f / duration : 0.f);
		2579	force->flag [FLAG_IS_USED_UP] = true;
		2580	force->flag [FLAG_APPLIED] = true;
		2581
		2582	insert (force);
		2583	}
		2584
		2585	void
		2586	object::play_sound (faceidx sound)
		2587	{
		2588	if (!sound)
		2589	return;
		2590
		2591	if (flag [FLAG_REMOVED])
		2592	return;
		2593
		2594	if (env)
		2595	{
		2596	if (object *pl = in_player ())
		2597	pl->contr->play_sound (sound);
		2598	}
		2599	else
		2600	map->play_sound (sound, x, y);
		2601	}
		2602

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