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Comparing deliantra/server/common/object.C (file contents):
Revision 1.97 by elmex, Sat Dec 30 21:07:46 2006 UTC vs.
Revision 1.237 by root, Tue May 6 21:04:37 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 (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
8	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
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	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,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	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
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	24	#include <global.h>
28	#include <stdio.h>	25	#include <stdio.h>
29	#include <sys/types.h>	26	#include <sys/types.h>
30	#include <sys/uio.h>	27	#include <sys/uio.h>
31	#include <object.h>	28	#include <object.h>
32	#include <funcpoint.h>	29	#include <sproto.h>
33	#include <loader.h>	30	#include <loader.h>
34		31
35	#include <bitset>	32	#include <bitset>
36		33
37	int nrofallocobjects = 0;	34	UUID UUID::cur;
38	static UUID uuid;	35	static uint64_t seq_next_save;
39	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
40		37
41	object *active_objects; /* List of active objects that need to be processed */	38	objectvec objects;
		39	activevec actives;
42		40
43	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,
44	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
45	};	46	};
46	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,
47	-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
48	};	52	};
49	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,
50	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
51	};	58	};
52	int freedir[SIZEOFFREE] = {	59	int freedir[SIZEOFFREE] = {
53	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,
54	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
55	};	64	};
56		65
57	static void	66	static void
58	write_uuid (void)	67	write_uuid (uval64 skip, bool sync)
59	{	68	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	69	CALL_BEGIN (2);
61		70	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	71	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	72	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		73	CALL_END;
65	FILE *fp;
66
67	if (!(fp = fopen (filename2, "w")))
68	{
69	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
70	return;
71	}
72
73	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
74	fclose (fp);
75	rename (filename2, filename1);
76	}	74	}
77		75
78	static void	76	static void
79	read_uuid (void)	77	read_uuid (void)
80	{	78	{
81	char filename[MAX_BUF];	79	char filename[MAX_BUF];
82		80
83	sprintf (filename, "%s/uuid", settings.localdir);	81	sprintf (filename, "%s/uuid", settings.localdir);
		82
		83	seq_next_save = 0;
84		84
85	FILE *fp;	85	FILE *fp;
86		86
87	if (!(fp = fopen (filename, "r")))	87	if (!(fp = fopen (filename, "r")))
88	{	88	{
89	if (errno == ENOENT)	89	if (errno == ENOENT)
90	{	90	{
91	LOG (llevInfo, "RESET uid to 1\n");	91	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	92	UUID::cur.seq = 0;
93	write_uuid ();	93	write_uuid (UUID_GAP, true);
94	return;	94	return;
95	}	95	}
96		96
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	98	_exit (1);
99	}	99	}
100		100
101	int version;	101	UUID::BUF buf;
102	unsigned long long uid;	102	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	103	fgets (buf, sizeof (buf), fp);
		104
		105	if (!UUID::cur.parse (buf))
104	{	106	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	107	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	108	_exit (1);
107	}	109	}
108		110
109	uuid.seq = uid;	111	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	112
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	113	write_uuid (UUID_GAP, true);
112	fclose (fp);	114	fclose (fp);
113	}	115	}
114		116
115	UUID	117	UUID
116	gen_uuid ()	118	UUID::gen ()
117	{	119	{
118	UUID uid;	120	UUID uid;
119		121
120	uid.seq = ++uuid.seq;	122	uid.seq = ++cur.seq;
121		123
122	if (!(uuid.seq & (UUID_SKIP - 1)))	124	if (expect_false (cur.seq >= seq_next_save))
123	write_uuid ();	125	{
		126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		127	write_uuid (UUID_GAP, false);
		128	}
		129
124		130
125	return uid;	131	return uid;
126	}	132	}
127		133
128	void	134	void
129	init_uuid ()	135	UUID::init ()
130	{	136	{
131	read_uuid ();	137	read_uuid ();
132	}	138	}
133		139
134	/* 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. */
135	static int	141	static bool
136	compare_ob_value_lists_one (const object *wants, const object *has)	142	compare_ob_value_lists_one (const object *wants, const object *has)
137	{	143	{
138	key_value *wants_field;
139
140	/* 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
141	* 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
142	* different structure or at least keep the lists sorted...	146	* different structure or at least keep the lists sorted...
143	*/	147	*/
144		148
145	/* For each field in wants, */	149	/* For each field in wants, */
146	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)
147	{	151	if (has->kv_get (kv->key) != kv->value)
148	key_value *has_field;	152	return false;
149
150	/* Look for a field in has with the same key. */
151	has_field = get_ob_key_link (has, wants_field->key);
152
153	if (has_field == NULL)
154	{
155	/* No field with that name. */
156	return FALSE;
157	}
158
159	/* Found the matching field. */
160	if (has_field->value != wants_field->value)
161	{
162	/* Values don't match, so this half of the comparison is false. */
163	return FALSE;
164	}
165
166	/* If we get here, we found a match. Now for the next field in wants. */
167	}
168		153
169	/* 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. */
170	return TRUE;	155	return true;
171	}	156	}
172		157
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	158	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static int	159	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	160	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	161	{
177	/* 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,
178	* so we need to run the comparison *twice*. :(	163	* so we need to run the comparison *twice*. :(
179	*/	164	*/
180	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);
181	}	167	}
182		168
183	/* 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
184	* they can be merged together.	170	* they can be merged together.
185	*	171	*
…		…
200	|| ob1->speed != ob2->speed	186	|| ob1->speed != ob2->speed
201	|| ob1->value != ob2->value	187	|| ob1->value != ob2->value
202	|| ob1->name != ob2->name)	188	|| ob1->name != ob2->name)
203	return 0;	189	return 0;
204		190
205	//TODO: this ain't working well, use nicer and correct overflow check	191	/* Do not merge objects if nrof would overflow. First part checks
206	/* 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
207	* 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
208	* used to store nrof).	194	* nrof values.
209	*/	195	*/
210	if (ob1->nrof + ob2->nrof >= 1UL << 31)	196	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
211	return 0;	197	return 0;
212		198
213	/* If the objects have been identified, set the BEEN_APPLIED flag.	199	/* If the objects have been identified, set the BEEN_APPLIED flag.
214	* 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
215	* 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
216	* 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
217	* flags lose any meaning.	203	* flags lose any meaning.
218	*/	204	*/
219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	205	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	206	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
221		207
222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	208	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	209	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
224		210
225	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	211	if (ob1->arch->name != ob2->arch->name
226	|| ob1->arch != ob2->arch
227	|| ob1->name != ob2->name	212	|| ob1->name != ob2->name
228	|| ob1->title != ob2->title	213	|| ob1->title != ob2->title
229	|| ob1->msg != ob2->msg	214	|| ob1->msg != ob2->msg
230	|| ob1->weight != ob2->weight	215	|| ob1->weight != ob2->weight
231	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
232	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
233	|| ob1->attacktype != ob2->attacktype	216	|| ob1->attacktype != ob2->attacktype
234	|| ob1->magic != ob2->magic	217	|| ob1->magic != ob2->magic
235	|| ob1->slaying != ob2->slaying	218	|| ob1->slaying != ob2->slaying
236	|| ob1->skill != ob2->skill	219	|| ob1->skill != ob2->skill
237	|| ob1->value != ob2->value	220	|| ob1->value != ob2->value
…		…
244	|| ob1->move_block != ob2->move_block	227	|| ob1->move_block != ob2->move_block
245	|| ob1->move_allow != ob2->move_allow	228	|| ob1->move_allow != ob2->move_allow
246	|| ob1->move_on != ob2->move_on	229	|| ob1->move_on != ob2->move_on
247	|| ob1->move_off != ob2->move_off	230	|| ob1->move_off != ob2->move_off
248	|| ob1->move_slow != ob2->move_slow	231	|| ob1->move_slow != ob2->move_slow
249	|| 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)))
250	return 0;	235	return 0;
251		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
252	/* This is really a spellbook check - really, we should	244	/* This is really a spellbook check - we should in general
253	* check all objects in the inventory.	245	* not merge objects with real inventories, as splitting them
		246	* is hard.
254	*/	247	*/
255	if (ob1->inv || ob2->inv)	248	if (ob1->inv || ob2->inv)
256	{	249	{
257	/* if one object has inventory but the other doesn't, not equiv */	250	if (!(ob1->inv && ob2->inv))
258	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	251	return 0; /* inventories differ in length */
259	return 0;
260		252
261	/* 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
262	if (!object::can_merge (ob1->inv, ob2->inv))	256	if (!object::can_merge (ob1->inv, ob2->inv))
263	return 0;	257	return 0; /* inventory objects differ */
264		258
265	/* 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
266	* if it is valid.	260	* if it is valid.
267	*/	261	*/
268	}	262	}
…		…
287	if (ob1->level != ob2->level)	281	if (ob1->level != ob2->level)
288	return 0;	282	return 0;
289	break;	283	break;
290	}	284	}
291		285
292	if (ob1->key_values != NULL || ob2->key_values != NULL)	286	if (ob1->key_values || ob2->key_values)
293	{	287	{
294	/* At least one of these has key_values. */	288	/* At least one of these has key_values. */
295	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	289	if ((!ob1->key_values) != (!ob2->key_values))
296	/* 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))
297	return 0;	293	return 0;
298	else if (!compare_ob_value_lists (ob1, ob2))
299	return 0;
300	}	294	}
301		295
302	//TODO: generate an event or call into perl for additional checks
303	if (ob1->self || ob2->self)	296	if (ob1->self || ob2->self)
304	{	297	{
305	ob1->optimise ();	298	ob1->optimise ();
306	ob2->optimise ();	299	ob2->optimise ();
307		300
308	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)
309	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	}
310	}	315	}
311		316
312	/* Everything passes, must be OK. */	317	/* Everything passes, must be OK. */
313	return 1;	318	return 1;
314	}	319	}
315		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
316	/*	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	/*
317	* sum_weight() is a recursive function which calculates the weight	394	* this is a recursive function which calculates the weight
318	* 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
319	* containers are carrying, and sums it up.	396	* containers are carrying, and sums it up.
320	*/	397	*/
321	long	398	void
322	sum_weight (object *op)	399	object::update_weight ()
323	{	400	{
324	long sum;	401	sint32 sum = 0;
325	object *inv;
326		402
327	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	403	for (object *op = inv; op; op = op->below)
328	{	404	{
329	if (inv->inv)	405	if (op->inv)
330	sum_weight (inv);	406	op->update_weight ();
331	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)
332	}	414	{
333
334	if (op->type == CONTAINER && op->stats.Str)
335	sum = (sum * (100 - op->stats.Str)) / 100;
336
337	if (op->carrying != sum)
338	op->carrying = sum;	415	carrying = sum;
339		416
340	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	}
341	}	421	}
342		422
343	/**	423	/*
344	* Return the outermost environment object for a given object.	424	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
345	*/	425	*/
346
347	object *
348	object_get_env_recursive (object *op)
349	{
350	while (op->env != NULL)
351	op = op->env;
352	return op;
353	}
354
355	/*
356	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
357	* Some error messages.
358	* The result of the dump is stored in the static global errmsg array.
359	*/
360
361	char *	426	char *
362	dump_object (object *op)	427	dump_object (object *op)
363	{	428	{
364	if (!op)	429	if (!op)
365	return strdup ("[NULLOBJ]");	430	return strdup ("[NULLOBJ]");
366		431
367	object_freezer freezer;	432	object_freezer freezer;
368	save_object (freezer, op, 1);	433	op->write (freezer);
369	return freezer.as_string ();	434	return freezer.as_string ();
370	}	435	}
371		436
372	/*	437	/*
373	* 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
374	* multi-object 1 which is closest to the second object.	439	* multi-object 1 which is closest to the second object.
375	* If it's not a multi-object, it is returned.	440	* If it's not a multi-object, it is returned.
376	*/	441	*/
377
378	object *	442	object *
379	get_nearest_part (object *op, const object *pl)	443	get_nearest_part (object *op, const object *pl)
380	{	444	{
381	object *tmp, *closest;	445	object *tmp, *closest;
382	int last_dist, i;	446	int last_dist, i;
383		447
384	if (op->more == NULL)	448	if (!op->more)
385	return op;	449	return op;
		450
386	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)
387	if ((i = distance (tmp, pl)) < last_dist)	454	if ((i = distance (tmp, pl)) < last_dist)
388	closest = tmp, last_dist = i;	455	closest = tmp, last_dist = i;
		456
389	return closest;	457	return closest;
390	}	458	}
391		459
392	/*	460	/*
393	* 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.
394	*/	463	*/
395
396	object *	464	object *
397	find_object (tag_t i)	465	find_object (tag_t i)
398	{	466	{
399	for (object *op = object::first; op; op = op->next)	467	for_all_objects (op)
400	if (op->count == i)	468	if (op->count == i)
401	return op;	469	return op;
402		470
403	return 0;	471	return 0;
404	}	472	}
405		473
406	/*	474	/*
407	* Returns the first object which has a name equal to the argument.	475	* Returns the first object which has a name equal to the argument.
408	* Used only by the patch command, but not all that useful.	476	* Used only by the patch command, but not all that useful.
409	* Enables features like "patch <name-of-other-player> food 999"	477	* Enables features like "patch <name-of-other-player> food 999"
410	*/	478	*/
411
412	object *	479	object *
413	find_object_name (const char *str)	480	find_object_name (const char *str)
414	{	481	{
415	shstr_cmp str_ (str);	482	shstr_cmp str_ (str);
416	object *op;	483	object *op;
417		484
418	for (op = object::first; op != NULL; op = op->next)	485	for_all_objects (op)
419	if (op->name == str_)	486	if (op->name == str_)
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
…		…
564	}	701	}
565		702
566	this->speed = speed;	703	this->speed = speed;
567		704
568	if (has_active_speed ())	705	if (has_active_speed ())
569	activate (false);	706	activate ();
570	else	707	else
571	deactivate (false);	708	deactivate ();
572	}	709	}
573		710
574	/*	711	/*
575	* update_object() updates the the map.	712	* update_object() updates the the map.
576	* It takes into account invisible objects (and represent squares covered	713	* It takes into account invisible objects (and represent squares covered
…		…
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");
…		…
624	return;	753	return;
625	}	754	}
626		755
627	mapspace &m = op->ms ();	756	mapspace &m = op->ms ();
628		757
629	if (m.flags_ & P_NEED_UPDATE)	758	if (!(m.flags_ & P_UPTODATE))
630	/* nop */;	759	/* nop */;
631	else if (action == UP_OBJ_INSERT)	760	else if (action == UP_OBJ_INSERT)
632	{	761	{
633	// this is likely overkill, TODO: revisit (schmorp)	762	// this is likely overkill, TODO: revisit (schmorp)
634	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	763	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
…		…
643	/* This isn't perfect, but I don't expect a lot of objects to	772	/* This isn't perfect, but I don't expect a lot of objects to
644	* to have move_allow right now.	773	* to have move_allow right now.
645	*/	774	*/
646	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	775	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
647	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	776	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
648	m.flags_ = P_NEED_UPDATE;	777	m.flags_ = 0;
649	}	778	}
650	/* if the object is being removed, we can't make intelligent	779	/* if the object is being removed, we can't make intelligent
651	* decisions, because remove_ob can't really pass the object	780	* decisions, because remove_ob can't really pass the object
652	* that is being removed.	781	* that is being removed.
653	*/	782	*/
654	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	783	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
655	m.flags_ = P_NEED_UPDATE;	784	m.flags_ = 0;
656	else if (action == UP_OBJ_FACE)	785	else if (action == UP_OBJ_FACE)
657	/* Nothing to do for that case */ ;	786	/* Nothing to do for that case */ ;
658	else	787	else
659	LOG (llevError, "update_object called with invalid action: %d\n", action);	788	LOG (llevError, "update_object called with invalid action: %d\n", action);
660		789
661	if (op->more)	790	if (op->more)
662	update_object (op->more, action);	791	update_object (op->more, action);
663	}	792	}
664		793
665	object::vector object::objects; // not yet used
666	object *object::first;
667
668	object::object ()	794	object::object ()
669	{	795	{
670	SET_FLAG (this, FLAG_REMOVED);	796	SET_FLAG (this, FLAG_REMOVED);
671		797
672	expmul = 1.0;	798	expmul = 1.0;
673	face = blank_face;	799	face = blank_face;
674	}	800	}
675		801
676	object::~object ()	802	object::~object ()
677	{	803	{
		804	unlink ();
		805
678	free_key_values (this);	806	free_key_values (this);
679	}	807	}
680		808
		809	static int object_count;
		810
681	void object::link ()	811	void object::link ()
682	{	812	{
		813	assert (!index);//D
		814	uuid = UUID::gen ();
683	count = ++ob_count;	815	count = ++object_count;
684	uuid = gen_uuid ();
685		816
686	prev = 0;	817	refcnt_inc ();
687	next = object::first;	818	objects.insert (this);
688
689	if (object::first)
690	object::first->prev = this;
691
692	object::first = this;
693	}	819	}
694		820
695	void object::unlink ()	821	void object::unlink ()
696	{	822	{
697	if (this == object::first)	823	if (!index)
698	object::first = next;	824	return;
699		825
700	/* Remove this object from the list of used objects */	826	objects.erase (this);
701	if (prev) prev->next = next;	827	refcnt_dec ();
702	if (next) next->prev = prev;
703
704	prev = 0;
705	next = 0;
706	}	828	}
707		829
708	void	830	void
709	object::activate (bool recursive)	831	object::activate ()
710	{	832	{
		833	/* If already on active list, don't do anything */
		834	if (active)
		835	return;
		836
711	if (has_active_speed ())	837	if (has_active_speed ())
712	{	838	actives.insert (this);
713	/* If already on active list, don't do anything */	839	}
714	if (active_next || active_prev || this == active_objects)
715	return;
716		840
717	/* process_events() expects us to insert the object at the beginning	841	void
718	* of the list. */	842	object::activate_recursive ()
719	active_next = active_objects;	843	{
		844	activate ();
720		845
721	if (active_next)
722	active_next->active_prev = this;
723
724	active_objects = this;
725	}
726
727	if (recursive)
728	for (object *op = inv; op; op = op->above)	846	for (object *op = inv; op; op = op->below)
729	op->activate (1);	847	op->activate_recursive ();
730	}	848	}
731		849
732	/* This function removes object 'op' from the list of active	850	/* This function removes object 'op' from the list of active
733	* objects.	851	* objects.
734	* This should only be used for style maps or other such	852	* This should only be used for style maps or other such
…		…
736	* in play chewing up cpu time getting processed.	854	* in play chewing up cpu time getting processed.
737	* The reverse of this is to call update_ob_speed, which	855	* The reverse of this is to call update_ob_speed, which
738	* will do the right thing based on the speed of the object.	856	* will do the right thing based on the speed of the object.
739	*/	857	*/
740	void	858	void
741	object::deactivate (bool recursive)	859	object::deactivate ()
742	{	860	{
743	/* If not on the active list, nothing needs to be done */	861	/* If not on the active list, nothing needs to be done */
744	if (!active_next && !active_prev && this != active_objects)	862	if (!active)
745	return;	863	return;
746		864
747	if (active_prev == 0)	865	actives.erase (this);
748	{	866	}
749	active_objects = active_next;
750	if (active_next)
751	active_next->active_prev = 0;
752	}
753	else
754	{
755	active_prev->active_next = active_next;
756	if (active_next)
757	active_next->active_prev = active_prev;
758	}
759		867
760	active_next = 0;	868	void
761	active_prev = 0;	869	object::deactivate_recursive ()
762		870	{
763	if (recursive)
764	for (object *op = inv; op; op = op->above)	871	for (object *op = inv; op; op = op->below)
		872	op->deactivate_recursive ();
		873
765	op->deactivate (1);	874	deactivate ();
		875	}
		876
		877	void
		878	object::set_flag_inv (int flag, int value)
		879	{
		880	for (object *op = inv; op; op = op->below)
		881	{
		882	op->flag [flag] = value;
		883	op->set_flag_inv (flag, value);
		884	}
766	}	885	}
767		886
768	/*	887	/*
769	* Remove and free all objects in the inventory of the given object.	888	* Remove and free all objects in the inventory of the given object.
770	* object.c ?	889	* object.c ?
…		…
773	object::destroy_inv (bool drop_to_ground)	892	object::destroy_inv (bool drop_to_ground)
774	{	893	{
775	// need to check first, because the checks below might segfault	894	// need to check first, because the checks below might segfault
776	// as we might be on an invalid mapspace and crossfire code	895	// as we might be on an invalid mapspace and crossfire code
777	// is too buggy to ensure that the inventory is empty.	896	// is too buggy to ensure that the inventory is empty.
778	// corollary: if you create arrows etc. with stuff in tis inventory,	897	// corollary: if you create arrows etc. with stuff in its inventory,
779	// cf will crash below with off-map x and y	898	// cf will crash below with off-map x and y
780	if (!inv)	899	if (!inv)
781	return;	900	return;
782		901
783	/* Only if the space blocks everything do we not process -	902	/* Only if the space blocks everything do we not process -
784	* if some form of movement is allowed, let objects	903	* if some form of movement is allowed, let objects
785	* drop on that space.	904	* drop on that space.
786	*/	905	*/
787	if (!drop_to_ground	906	if (!drop_to_ground
788	|| !map	907	|| !map
789	|| map->in_memory != MAP_IN_MEMORY	908	|| map->in_memory != MAP_ACTIVE
		909	|| map->nodrop
790	|| ms ().move_block == MOVE_ALL)	910	|| ms ().move_block == MOVE_ALL)
791	{	911	{
792	while (inv)	912	while (inv)
793	{	913	{
794	inv->destroy_inv (drop_to_ground);	914	inv->destroy_inv (false);
795	inv->destroy ();	915	inv->destroy ();
796	}	916	}
797	}	917	}
798	else	918	else
799	{ /* Put objects in inventory onto this space */	919	{ /* Put objects in inventory onto this space */
…		…
803		923
804	if (op->flag [FLAG_STARTEQUIP]	924	if (op->flag [FLAG_STARTEQUIP]
805	|| op->flag [FLAG_NO_DROP]	925	|| op->flag [FLAG_NO_DROP]
806	|| op->type == RUNE	926	|| op->type == RUNE
807	|| op->type == TRAP	927	|| op->type == TRAP
808	|| op->flag [FLAG_IS_A_TEMPLATE])	928	|| op->flag [FLAG_IS_A_TEMPLATE]
		929	|| op->flag [FLAG_DESTROY_ON_DEATH])
809	op->destroy ();	930	op->destroy (true);
810	else	931	else
811	map->insert (op, x, y);	932	map->insert (op, x, y);
812	}	933	}
813	}	934	}
814	}	935	}
…		…
818	object *op = new object;	939	object *op = new object;
819	op->link ();	940	op->link ();
820	return op;	941	return op;
821	}	942	}
822		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
823	void	964	void
824	object::do_destroy ()	965	object::do_destroy ()
825	{	966	{
826	if (flag [FLAG_IS_LINKED])	967	if (flag [FLAG_IS_LINKED])
827	remove_button_link (this);	968	remove_button_link (this);
828		969
829	if (flag [FLAG_FRIENDLY])	970	if (flag [FLAG_FRIENDLY])
830	remove_friendly_object (this);	971	remove_friendly_object (this);
831		972
832	if (!flag [FLAG_REMOVED])
833	remove ();	973	remove ();
834		974
835	if (flag [FLAG_FREED])	975	attachable::do_destroy ();
836	return;
837		976
838	set_speed (0);	977	deactivate ();
		978	unlink ();
839		979
840	flag [FLAG_FREED] = 1;	980	flag [FLAG_FREED] = 1;
841		981
842	attachable::do_destroy ();
843
844	destroy_inv (true);
845	unlink ();
846
847	// hack to ensure that freed objects still have a valid map	982	// hack to ensure that freed objects still have a valid map
848	{
849	static maptile *freed_map; // freed objects are moved here to avoid crashes
850
851	if (!freed_map)
852	{
853	freed_map = new maptile;
854
855	freed_map->name = "/internal/freed_objects_map";
856	freed_map->width = 3;
857	freed_map->height = 3;
858
859	freed_map->alloc ();
860	}
861
862	map = freed_map;	983	map = &freed_map;
863	x = 1;	984	x = 1;
864	y = 1;	985	y = 1;
865	}
866
867	head = 0;
868		986
869	if (more)	987	if (more)
870	{	988	{
871	more->destroy ();	989	more->destroy ();
872	more = 0;	990	more = 0;
873	}	991	}
874		992
		993	head = 0;
		994
875	// clear those pointers that likely might have circular references to us	995	// clear those pointers that likely might cause circular references
876	owner = 0;	996	owner = 0;
877	enemy = 0;	997	enemy = 0;
878	attacked_by = 0;	998	attacked_by = 0;
879		999	current_weapon = 0;
880	// only relevant for players(?), but make sure of it anyways
881	contr = 0;
882	}	1000	}
883		1001
884	void	1002	void
885	object::destroy (bool destroy_inventory)	1003	object::destroy (bool destroy_inventory)
886	{	1004	{
887	if (destroyed ())	1005	if (destroyed ())
888	return;	1006	return;
889		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
890	if (destroy_inventory)	1015	destroy_inv (!destroy_inventory);
891	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
892		1022
893	attachable::destroy ();	1023	attachable::destroy ();
894	}
895
896	/*
897	* sub_weight() recursively (outwards) subtracts a number from the
898	* weight of an object (and what is carried by it's environment(s)).
899	*/
900	void
901	sub_weight (object *op, signed long weight)
902	{
903	while (op != NULL)
904	{
905	if (op->type == CONTAINER)
906	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
907
908	op->carrying -= weight;
909	op = op->env;
910	}
911	}	1024	}
912		1025
913	/* op->remove ():	1026	/* op->remove ():
914	* 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
915	* 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
916	* object will have no environment. If the object previously had an	1029	* object will have no environment. If the object previously had an
917	* environment, the x and y coordinates will be updated to	1030	* environment, the x and y coordinates will be updated to
918	* the previous environment.	1031	* the previous environment.
919	* Beware: This function is called from the editor as well!
920	*/	1032	*/
921	void	1033	void
922	object::remove ()	1034	object::do_remove ()
923	{	1035	{
924	object *tmp, *last = 0;	1036	object *tmp, *last = 0;
925	object *otmp;	1037	object *otmp;
926		1038
927	if (QUERY_FLAG (this, FLAG_REMOVED))	1039	if (flag [FLAG_REMOVED])
928	return;	1040	return;
929		1041
930	SET_FLAG (this, FLAG_REMOVED);
931	INVOKE_OBJECT (REMOVE, this);	1042	INVOKE_OBJECT (REMOVE, this);
		1043
		1044	flag [FLAG_REMOVED] = true;
932		1045
933	if (more)	1046	if (more)
934	more->remove ();	1047	more->remove ();
935		1048
936	/*	1049	/*
937	* In this case, the object to be removed is in someones	1050	* In this case, the object to be removed is in someones
938	* inventory.	1051	* inventory.
939	*/	1052	*/
940	if (env)	1053	if (env)
941	{	1054	{
942	if (nrof)	1055	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
943	sub_weight (env, weight * nrof);	1056	if (object *pl = visible_to ())
944	else	1057	esrv_del_item (pl->contr, count);
945	sub_weight (env, weight + carrying);	1058	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1059
		1060	adjust_weight (env, -total_weight ());
		1061
		1062	/* we set up values so that it could be inserted into
		1063	* the map, but we don't actually do that - it is up
		1064	* to the caller to decide what we want to do.
		1065	*/
		1066	map = env->map;
		1067	x = env->x;
		1068	y = env->y;
		1069
		1070	// make sure cmov optimisation is applicable
		1071	*(above ? &above->below : &env->inv) = below;
		1072	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1073
		1074	above = 0;
		1075	below = 0;
		1076	env = 0;
946		1077
947	/* 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
948	* made to players inventory. If set, avoiding the call	1079	* made to players inventory. If set, avoiding the call
949	* to save cpu time.	1080	* to save cpu time.
950	*/	1081	*/
951	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))
952	otmp->update_stats ();	1083	otmp->update_stats ();
953
954	if (above)
955	above->below = below;
956	else
957	env->inv = below;
958
959	if (below)
960	below->above = above;
961
962	/* we set up values so that it could be inserted into
963	* the map, but we don't actually do that - it is up
964	* to the caller to decide what we want to do.
965	*/
966	x = env->x, y = env->y;
967	map = env->map;
968	above = 0, below = 0;
969	env = 0;
970	}	1084	}
971	else if (map)	1085	else if (map)
972	{	1086	{
973	if (type == PLAYER)	1087	map->dirty = true;
		1088	mapspace &ms = this->ms ();
		1089
		1090	if (object *pl = ms.player ())
974	{	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
975	--map->players;	1100	--map->players;
976	map->last_access = runtime;	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);
977	}	1110	}
978		1111
979
980	/* link the object above us */	1112	/* link the object above us */
981	if (above)	1113	// re-link, make sure compiler can easily use cmove
982	above->below = below;	1114	*(above ? &above->below : &ms.top) = below;
983	else	1115	*(below ? &below->above : &ms.bot) = above;
984	map->at (x, y).top = below; /* we were top, set new top */
985
986	/* Relink the object below us, if there is one */
987	if (below)
988	below->above = above;
989	else
990	{
991	/* Nothing below, which means we need to relink map object for this space
992	* use translated coordinates in case some oddness with map tiling is
993	* evident
994	*/
995	if (GET_MAP_OB (map, x, y) != this)
996	{
997	char *dump = dump_object (this);
998	LOG (llevError,
999	"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);
1000	free (dump);
1001	dump = dump_object (GET_MAP_OB (map, x, y));
1002	LOG (llevError, "%s\n", dump);
1003	free (dump);
1004	}
1005
1006	map->at (x, y).bot = above; /* goes on above it. */
1007	}
1008		1116
1009	above = 0;	1117	above = 0;
1010	below = 0;	1118	below = 0;
1011		1119
1012	if (map->in_memory == MAP_SAVING)	1120	if (map->in_memory == MAP_SAVING)
1013	return;	1121	return;
1014		1122
1015	int check_walk_off = !flag [FLAG_NO_APPLY];	1123	int check_walk_off = !flag [FLAG_NO_APPLY];
1016		1124
		1125	if (object *pl = ms.player ())
		1126	{
		1127	if (pl->container == this)
		1128	/* If a container that the player is currently using somehow gets
		1129	* removed (most likely destroyed), update the player view
		1130	* appropriately.
		1131	*/
		1132	pl->close_container ();
		1133
		1134	//TODO: the floorbox prev/next might need updating
		1135	//esrv_del_item (pl->contr, count);
		1136	//TODO: update floorbox to preserve ordering
		1137	if (pl->contr->ns)
		1138	pl->contr->ns->floorbox_update ();
		1139	}
		1140
1017	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1141	for (tmp = ms.bot; tmp; tmp = tmp->above)
1018	{	1142	{
1019	/* No point updating the players look faces if he is the object	1143	/* No point updating the players look faces if he is the object
1020	* being removed.	1144	* being removed.
1021	*/	1145	*/
1022
1023	if (tmp->type == PLAYER && tmp != this)
1024	{
1025	/* If a container that the player is currently using somehow gets
1026	* removed (most likely destroyed), update the player view
1027	* appropriately.
1028	*/
1029	if (tmp->container == this)
1030	{
1031	flag [FLAG_APPLIED] = 0;
1032	tmp->container = 0;
1033	}
1034
1035	if (tmp->contr->ns)
1036	tmp->contr->ns->floorbox_update ();
1037	}
1038		1146
1039	/* See if object moving off should effect something */	1147	/* See if object moving off should effect something */
1040	if (check_walk_off	1148	if (check_walk_off
1041	&& ((move_type & tmp->move_off)	1149	&& ((move_type & tmp->move_off)
1042	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1150	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1045		1153
1046	if (destroyed ())	1154	if (destroyed ())
1047	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1155	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1048	}	1156	}
1049		1157
1050	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1051	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1052	if (tmp->above == tmp)
1053	tmp->above = 0;
1054
1055	last = tmp;	1158	last = tmp;
1056	}	1159	}
1057		1160
1058	/* last == NULL if there are no objects on this space */	1161	/* last == NULL if there are no objects on this space */
1059	//TODO: this makes little sense, why only update the topmost object?	1162	//TODO: this makes little sense, why only update the topmost object?
1060	if (!last)	1163	if (!last)
1061	map->at (x, y).flags_ = P_NEED_UPDATE;	1164	map->at (x, y).flags_ = 0;
1062	else	1165	else
1063	update_object (last, UP_OBJ_REMOVE);	1166	update_object (last, UP_OBJ_REMOVE);
1064		1167
1065	if (flag [FLAG_BLOCKSVIEW] || glow_radius)	1168	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1066	update_all_los (map, x, y);	1169	update_all_los (map, x, y);
…		…
1079	merge_ob (object *op, object *top)	1182	merge_ob (object *op, object *top)
1080	{	1183	{
1081	if (!op->nrof)	1184	if (!op->nrof)
1082	return 0;	1185	return 0;
1083		1186
1084	if (top)	1187	if (!top)
1085	for (top = op; top && top->above; top = top->above)	1188	for (top = op; top && top->above; top = top->above)
1086	;	1189	;
1087		1190
1088	for (; top; top = top->below)	1191	for (; top; top = top->below)
1089	{
1090	if (top == op)
1091	continue;
1092
1093	if (object::can_merge (op, top))	1192	if (object::can_merge (op, top))
1094	{	1193	{
1095	top->nrof += op->nrof;	1194	top->nrof += op->nrof;
1096		1195
1097	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1196	if (object *pl = top->visible_to ())
1098	op->weight = 0; /* Don't want any adjustements now */	1197	esrv_update_item (UPD_NROF, pl, top);
		1198
		1199	op->weight = 0; // cancel the addition above
		1200	op->carrying = 0; // must be 0 already
		1201
1099	op->destroy ();	1202	op->destroy (1);
		1203
1100	return top;	1204	return top;
1101	}	1205	}
1102	}
1103		1206
1104	return 0;	1207	return 0;
1105	}	1208	}
1106		1209
		1210	void
		1211	object::expand_tail ()
		1212	{
		1213	if (more)
		1214	return;
		1215
		1216	object *prev = this;
		1217
		1218	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1219	{
		1220	object *op = arch_to_object (at);
		1221
		1222	op->name = name;
		1223	op->name_pl = name_pl;
		1224	op->title = title;
		1225
		1226	op->head = this;
		1227	prev->more = op;
		1228
		1229	prev = op;
		1230	}
		1231	}
		1232
1107	/*	1233	/*
1108	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1234	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1109	* job preparing multi-part monsters	1235	* job preparing multi-part monsters.
1110	*/	1236	*/
1111	object *	1237	object *
1112	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1238	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1113	{	1239	{
1114	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1240	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1115	{	1241	{
1116	tmp->x = x + tmp->arch->clone.x;	1242	tmp->x = x + tmp->arch->x;
1117	tmp->y = y + tmp->arch->clone.y;	1243	tmp->y = y + tmp->arch->y;
1118	}	1244	}
1119		1245
1120	return insert_ob_in_map (op, m, originator, flag);	1246	return insert_ob_in_map (op, m, originator, flag);
1121	}	1247	}
1122		1248
…		…
1141	* just 'op' otherwise	1267	* just 'op' otherwise
1142	*/	1268	*/
1143	object *	1269	object *
1144	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1270	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1145	{	1271	{
1146	object *tmp, *top, *floor = NULL;	1272	op->remove ();
1147	sint16 x, y;
1148
1149	if (QUERY_FLAG (op, FLAG_FREED))
1150	{
1151	LOG (llevError, "Trying to insert freed object!\n");
1152	return NULL;
1153	}
1154
1155	if (!m)
1156	{
1157	char *dump = dump_object (op);
1158	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1159	free (dump);
1160	return op;
1161	}
1162
1163	if (out_of_map (m, op->x, op->y))
1164	{
1165	char *dump = dump_object (op);
1166	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1167	#ifdef MANY_CORES
1168	/* Better to catch this here, as otherwise the next use of this object
1169	* is likely to cause a crash. Better to find out where it is getting
1170	* improperly inserted.
1171	*/
1172	abort ();
1173	#endif
1174	free (dump);
1175	return op;
1176	}
1177
1178	if (!QUERY_FLAG (op, FLAG_REMOVED))
1179	{
1180	char *dump = dump_object (op);
1181	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1182	free (dump);
1183	return op;
1184	}
1185
1186	if (op->more)
1187	{
1188	/* The part may be on a different map. */
1189
1190	object *more = op->more;
1191
1192	/* We really need the caller to normalize coordinates - if
1193	* we set the map, that doesn't work if the location is within
1194	* a map and this is straddling an edge. So only if coordinate
1195	* is clear wrong do we normalize it.
1196	*/
1197	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1198	more->map = get_map_from_coord (m, &more->x, &more->y);
1199	else if (!more->map)
1200	{
1201	/* For backwards compatibility - when not dealing with tiled maps,
1202	* more->map should always point to the parent.
1203	*/
1204	more->map = m;
1205	}
1206
1207	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1208	{
1209	if (!op->head)
1210	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1211
1212	return 0;
1213	}
1214	}
1215
1216	CLEAR_FLAG (op, FLAG_REMOVED);
1217		1273
1218	/* Ideally, the caller figures this out. However, it complicates a lot	1274	/* Ideally, the caller figures this out. However, it complicates a lot
1219	* of areas of callers (eg, anything that uses find_free_spot would now	1275	* of areas of callers (eg, anything that uses find_free_spot would now
1220	* need extra work	1276	* need extra work
1221	*/	1277	*/
1222	op->map = get_map_from_coord (m, &op->x, &op->y);	1278	if (!xy_normalise (m, op->x, op->y))
1223	x = op->x;	1279	{
1224	y = op->y;	1280	op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found
		1281	return 0;
		1282	}
		1283
		1284	if (object *more = op->more)
		1285	if (!insert_ob_in_map (more, m, originator, flag))
		1286	return 0;
		1287
		1288	CLEAR_FLAG (op, FLAG_REMOVED);
		1289
		1290	op->map = m;
		1291	mapspace &ms = op->ms ();
1225		1292
1226	/* this has to be done after we translate the coordinates.	1293	/* this has to be done after we translate the coordinates.
1227	*/	1294	*/
1228	if (op->nrof && !(flag & INS_NO_MERGE))	1295	if (op->nrof && !(flag & INS_NO_MERGE))
1229	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)	1296	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1230	if (object::can_merge (op, tmp))	1297	if (object::can_merge (op, tmp))
1231	{	1298	{
		1299	// TODO: we actually want to update tmp, not op,
		1300	// but some caller surely breaks when we return tmp
		1301	// from here :/
1232	op->nrof += tmp->nrof;	1302	op->nrof += tmp->nrof;
1233	tmp->destroy ();	1303	tmp->destroy (1);
1234	}	1304	}
1235		1305
1236	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1306	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1237	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1307	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1238		1308
1239	if (!QUERY_FLAG (op, FLAG_ALIVE))	1309	if (!QUERY_FLAG (op, FLAG_ALIVE))
1240	CLEAR_FLAG (op, FLAG_NO_STEAL);	1310	CLEAR_FLAG (op, FLAG_NO_STEAL);
1241		1311
1242	if (flag & INS_BELOW_ORIGINATOR)	1312	if (flag & INS_BELOW_ORIGINATOR)
1243	{	1313	{
1244	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1314	if (originator->map != op->map || originator->x != op->x || originator->y != op->y || !originator->is_on_map ())
1245	{	1315	{
1246	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1316	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1247	abort ();	1317	abort ();
1248	}	1318	}
1249		1319
1250	op->above = originator;	1320	op->above = originator;
1251	op->below = originator->below;	1321	op->below = originator->below;
1252
1253	if (op->below)
1254	op->below->above = op;
1255	else
1256	op->ms ().bot = op;
1257
1258	/* since *below* originator, no need to update top */
1259	originator->below = op;	1322	originator->below = op;
		1323
		1324	*(op->below ? &op->below->above : &ms.bot) = op;
1260	}	1325	}
1261	else	1326	else
1262	{	1327	{
		1328	object *floor = 0;
		1329	object *top = ms.top;
		1330
1263	/* If there are other objects, then */	1331	/* If there are other objects, then */
1264	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1332	if (top)
1265	{	1333	{
1266	object *last = 0;
1267
1268	/*	1334	/*
1269	* If there are multiple objects on this space, we do some trickier handling.	1335	* If there are multiple objects on this space, we do some trickier handling.
1270	* We've already dealt with merging if appropriate.	1336	* We've already dealt with merging if appropriate.
1271	* Generally, we want to put the new object on top. But if	1337	* Generally, we want to put the new object on top. But if
1272	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1338	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1275	* once we get to them. This reduces the need to traverse over all of	1341	* once we get to them. This reduces the need to traverse over all of
1276	* them when adding another one - this saves quite a bit of cpu time	1342	* them when adding another one - this saves quite a bit of cpu time
1277	* when lots of spells are cast in one area. Currently, it is presumed	1343	* when lots of spells are cast in one area. Currently, it is presumed
1278	* that flying non pickable objects are spell objects.	1344	* that flying non pickable objects are spell objects.
1279	*/	1345	*/
1280	while (top)	1346	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1281	{	1347	{
1282	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1348	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1283	floor = top;	1349	floor = tmp;
1284		1350
1285	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1351	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1286	{	1352	{
1287	/* We insert above top, so we want this object below this */	1353	/* We insert above top, so we want this object below this */
1288	top = top->below;	1354	top = tmp->below;
1289	break;	1355	break;
1290	}	1356	}
1291		1357
1292	last = top;
1293	top = top->above;	1358	top = tmp;
1294	}	1359	}
1295
1296	/* Don't want top to be NULL, so set it to the last valid object */
1297	top = last;
1298		1360
1299	/* We let update_position deal with figuring out what the space	1361	/* We let update_position deal with figuring out what the space
1300	* looks like instead of lots of conditions here.	1362	* looks like instead of lots of conditions here.
1301	* makes things faster, and effectively the same result.	1363	* makes things faster, and effectively the same result.
1302	*/	1364	*/
1303		1365
1304	/* Have object 'fall below' other objects that block view.	1366	/* Have object 'fall below' other objects that block view.
1305	* Unless those objects are exits, type 66	1367	* Unless those objects are exits.
1306	* If INS_ON_TOP is used, don't do this processing	1368	* If INS_ON_TOP is used, don't do this processing
1307	* Need to find the object that in fact blocks view, otherwise	1369	* Need to find the object that in fact blocks view, otherwise
1308	* stacking is a bit odd.	1370	* stacking is a bit odd.
1309	*/	1371	*/
1310	if (!(flag & INS_ON_TOP) &&	1372	if (!(flag & INS_ON_TOP)
1311	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1373	&& ms.flags () & P_BLOCKSVIEW
		1374	&& (op->face && !faces [op->face].visibility))
1312	{	1375	{
		1376	object *last;
		1377
1313	for (last = top; last != floor; last = last->below)	1378	for (last = top; last != floor; last = last->below)
1314	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1379	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1315	break;	1380	break;
		1381
1316	/* Check to see if we found the object that blocks view,	1382	/* Check to see if we found the object that blocks view,
1317	* and make sure we have a below pointer for it so that	1383	* and make sure we have a below pointer for it so that
1318	* we can get inserted below this one, which requires we	1384	* we can get inserted below this one, which requires we
1319	* set top to the object below us.	1385	* set top to the object below us.
1320	*/	1386	*/
1321	if (last && last->below && last != floor)	1387	if (last && last->below && last != floor)
1322	top = last->below;	1388	top = last->below;
1323	}	1389	}
1324	} /* If objects on this space */	1390	} /* If objects on this space */
1325		1391
1326	if (flag & INS_MAP_LOAD)
1327	top = GET_MAP_TOP (op->map, op->x, op->y);
1328
1329	if (flag & INS_ABOVE_FLOOR_ONLY)	1392	if (flag & INS_ABOVE_FLOOR_ONLY)
1330	top = floor;	1393	top = floor;
1331		1394
1332	/* Top is the object that our object (op) is going to get inserted above.	1395	/* Top is the object that our object (op) is going to get inserted above.
1333	*/	1396	*/
1334		1397
1335	/* First object on this space */	1398	/* no top found, insert on top */
1336	if (!top)	1399	if (!top)
1337	{	1400	{
1338	op->above = GET_MAP_OB (op->map, op->x, op->y);
1339
1340	if (op->above)
1341	op->above->below = op;
1342
1343	op->below = 0;	1401	op->above = 0;
1344	op->ms ().bot = op;	1402	op->below = ms.top;
		1403	ms.top = op;
		1404
		1405	*(op->below ? &op->below->above : &ms.bot) = op;
1345	}	1406	}
1346	else	1407	else
1347	{ /* get inserted into the stack above top */	1408	{ /* get inserted into the stack above top */
1348	op->above = top->above;	1409	op->above = top->above;
1349
1350	if (op->above)
1351	op->above->below = op;	1410	top->above = op;
1352		1411
1353	op->below = top;	1412	op->below = top;
1354	top->above = op;	1413	*(op->above ? &op->above->below : &ms.top) = op;
1355	}	1414	}
1356
1357	if (!op->above)
1358	op->ms ().top = op;
1359	} /* else not INS_BELOW_ORIGINATOR */	1415	} /* else not INS_BELOW_ORIGINATOR */
1360		1416
1361	if (op->type == PLAYER)	1417	if (op->type == PLAYER)
1362	{	1418	{
1363	op->contr->do_los = 1;	1419	op->contr->do_los = 1;
1364	++op->map->players;	1420	++op->map->players;
1365	op->map->last_access = runtime;	1421	op->map->touch ();
1366	}	1422	}
1367		1423
1368	/* If we have a floor, we know the player, if any, will be above	1424	op->map->dirty = true;
1369	* it, so save a few ticks and start from there.	1425
1370	*/
1371	if (!(flag & INS_MAP_LOAD))
1372	if (object *pl = op->ms ().player ())	1426	if (object *pl = ms.player ())
		1427	//TODO: the floorbox prev/next might need updating
		1428	//esrv_send_item (pl, op);
		1429	//TODO: update floorbox to preserve ordering
1373	if (pl->contr->ns)	1430	if (pl->contr->ns)
1374	pl->contr->ns->floorbox_update ();	1431	pl->contr->ns->floorbox_update ();
1375		1432
1376	/* If this object glows, it may affect lighting conditions that are	1433	/* If this object glows, it may affect lighting conditions that are
1377	* visible to others on this map. But update_all_los is really	1434	* visible to others on this map. But update_all_los is really
1378	* an inefficient way to do this, as it means los for all players	1435	* an inefficient way to do this, as it means los for all players
1379	* on the map will get recalculated. The players could very well	1436	* on the map will get recalculated. The players could very well
1380	* be far away from this change and not affected in any way -	1437	* be far away from this change and not affected in any way -
1381	* this should get redone to only look for players within range,	1438	* this should get redone to only look for players within range,
1382	* or just updating the P_NEED_UPDATE for spaces within this area	1439	* or just updating the P_UPTODATE for spaces within this area
1383	* of effect may be sufficient.	1440	* of effect may be sufficient.
1384	*/	1441	*/
1385	if (op->map->darkness && (op->glow_radius != 0))	1442	if (op->map->darkness && (op->glow_radius != 0))
1386	update_all_los (op->map, op->x, op->y);	1443	update_all_los (op->map, op->x, op->y);
1387		1444
…		…
1398	* blocked() and wall() work properly), and these flags are updated by	1455	* blocked() and wall() work properly), and these flags are updated by
1399	* update_object().	1456	* update_object().
1400	*/	1457	*/
1401		1458
1402	/* if this is not the head or flag has been passed, don't check walk on status */	1459	/* if this is not the head or flag has been passed, don't check walk on status */
1403	if (!(flag & INS_NO_WALK_ON) && !op->head)	1460	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1404	{	1461	{
1405	if (check_move_on (op, originator))	1462	if (check_move_on (op, originator))
1406	return 0;	1463	return 0;
1407		1464
1408	/* If we are a multi part object, lets work our way through the check	1465	/* If we are a multi part object, lets work our way through the check
1409	* walk on's.	1466	* walk on's.
1410	*/	1467	*/
1411	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1468	for (object *tmp = op->more; tmp; tmp = tmp->more)
1412	if (check_move_on (tmp, originator))	1469	if (check_move_on (tmp, originator))
1413	return 0;	1470	return 0;
1414	}	1471	}
1415		1472
1416	return op;	1473	return op;
…		…
1421	* op is the object to insert it under: supplies x and the map.	1478	* op is the object to insert it under: supplies x and the map.
1422	*/	1479	*/
1423	void	1480	void
1424	replace_insert_ob_in_map (const char *arch_string, object *op)	1481	replace_insert_ob_in_map (const char *arch_string, object *op)
1425	{	1482	{
1426	object *tmp, *tmp1;
1427
1428	/* first search for itself and remove any old instances */	1483	/* first search for itself and remove any old instances */
1429		1484
1430	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1485	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1431	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1486	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1432	tmp->destroy ();	1487	tmp->destroy (1);
1433		1488
1434	tmp1 = arch_to_object (archetype::find (arch_string));	1489	object *tmp = arch_to_object (archetype::find (arch_string));
1435		1490
1436	tmp1->x = op->x;	1491	tmp->x = op->x;
1437	tmp1->y = op->y;	1492	tmp->y = op->y;
		1493
1438	insert_ob_in_map (tmp1, op->map, op, 0);	1494	insert_ob_in_map (tmp, op->map, op, 0);
1439	}	1495	}
1440		1496
1441	object *	1497	object *
1442	object::insert_at (object *where, object *originator, int flags)	1498	object::insert_at (object *where, object *originator, int flags)
1443	{	1499	{
		1500	if (where->env)
		1501	return where->env->insert (this);
		1502	else
1444	where->map->insert (this, where->x, where->y, originator, flags);	1503	return where->map->insert (this, where->x, where->y, originator, flags);
1445	}	1504	}
1446		1505
1447	/*	1506	/*
1448	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1449	* is returned contains nr objects, and the remaining parts contains
1450	* the rest (or is removed and freed if that number is 0).
1451	* On failure, NULL is returned, and the reason put into the
1452	* global static errmsg array.
1453	*/
1454	object *
1455	get_split_ob (object *orig_ob, uint32 nr)
1456	{
1457	object *newob;
1458	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1459
1460	if (orig_ob->nrof < nr)
1461	{
1462	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1463	return NULL;
1464	}
1465
1466	newob = object_create_clone (orig_ob);
1467
1468	if ((orig_ob->nrof -= nr) < 1)
1469	orig_ob->destroy (1);
1470	else if (!is_removed)
1471	{
1472	if (orig_ob->env != NULL)
1473	sub_weight (orig_ob->env, orig_ob->weight * nr);
1474	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1475	{
1476	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1477	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1478	return NULL;
1479	}
1480	}
1481
1482	newob->nrof = nr;
1483
1484	return newob;
1485	}
1486
1487	/*
1488	* decrease_ob_nr(object, number) decreases a specified number from	1507	* decrease(object, number) decreases a specified number from
1489	* the amount of an object. If the amount reaches 0, the object	1508	* the amount of an object. If the amount reaches 0, the object
1490	* is subsequently removed and freed.	1509	* is subsequently removed and freed.
1491	*	1510	*
1492	* Return value: 'op' if something is left, NULL if the amount reached 0	1511	* Return value: 'op' if something is left, NULL if the amount reached 0
1493	*/	1512	*/
		1513	bool
		1514	object::decrease (sint32 nr)
		1515	{
		1516	if (!nr)
		1517	return true;
1494		1518
		1519	nr = min (nr, nrof);
		1520
		1521	nrof -= nr;
		1522
		1523	if (nrof)
		1524	{
		1525	adjust_weight (env, -weight * nr); // carrying == 0
		1526
		1527	if (object *pl = visible_to ())
		1528	esrv_update_item (UPD_NROF, pl, this);
		1529
		1530	return true;
		1531	}
		1532	else
		1533	{
		1534	destroy (1);
		1535	return false;
		1536	}
		1537	}
		1538
		1539	/*
		1540	* split(ob,nr) splits up ob into two parts. The part which
		1541	* is returned contains nr objects, and the remaining parts contains
		1542	* the rest (or is removed and returned if that number is 0).
		1543	* On failure, NULL is returned.
		1544	*/
1495	object *	1545	object *
1496	decrease_ob_nr (object *op, uint32 i)	1546	object::split (sint32 nr)
1497	{	1547	{
1498	object *tmp;	1548	int have = number_of ();
1499		1549
1500	if (i == 0) /* objects with op->nrof require this check */	1550	if (have < nr)
1501	return op;	1551	return 0;
1502		1552	else if (have == nr)
1503	if (i > op->nrof)
1504	i = op->nrof;
1505
1506	if (QUERY_FLAG (op, FLAG_REMOVED))
1507	op->nrof -= i;
1508	else if (op->env)
1509	{	1553	{
1510	/* is this object in the players inventory, or sub container
1511	* therein?
1512	*/
1513	tmp = op->in_player ();
1514	/* nope. Is this a container the player has opened?
1515	* If so, set tmp to that player.
1516	* IMO, searching through all the players will mostly
1517	* likely be quicker than following op->env to the map,
1518	* and then searching the map for a player.
1519	*/
1520	if (!tmp)
1521	for_all_players (pl)
1522	if (pl->ob->container == op->env)
1523	{
1524	tmp = pl->ob;
1525	break;
1526	}
1527
1528	if (i < op->nrof)
1529	{
1530	sub_weight (op->env, op->weight * i);
1531	op->nrof -= i;
1532	if (tmp)
1533	esrv_send_item (tmp, op);
1534	}
1535	else
1536	{
1537	op->remove ();	1554	remove ();
1538	op->nrof = 0;	1555	return this;
1539	if (tmp)
1540	esrv_del_item (tmp->contr, op->count);
1541	}
1542	}	1556	}
1543	else	1557	else
1544	{	1558	{
1545	object *above = op->above;	1559	decrease (nr);
1546		1560
1547	if (i < op->nrof)	1561	object *op = deep_clone ();
1548	op->nrof -= i;	1562	op->nrof = nr;
1549	else
1550	{
1551	op->remove ();
1552	op->nrof = 0;
1553	}
1554
1555	/* Since we just removed op, op->above is null */
1556	for (tmp = above; tmp; tmp = tmp->above)
1557	if (tmp->type == PLAYER)
1558	{
1559	if (op->nrof)
1560	esrv_send_item (tmp, op);
1561	else
1562	esrv_del_item (tmp->contr, op->count);
1563	}
1564	}
1565
1566	if (op->nrof)
1567	return op;	1563	return op;
1568	else
1569	{
1570	op->destroy ();
1571	return 0;
1572	}
1573	}
1574
1575	/*
1576	* add_weight(object, weight) adds the specified weight to an object,
1577	* and also updates how much the environment(s) is/are carrying.
1578	*/
1579
1580	void
1581	add_weight (object *op, signed long weight)
1582	{
1583	while (op != NULL)
1584	{
1585	if (op->type == CONTAINER)
1586	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1587
1588	op->carrying += weight;
1589	op = op->env;
1590	}	1564	}
1591	}	1565	}
1592		1566
1593	object *	1567	object *
1594	insert_ob_in_ob (object *op, object *where)	1568	insert_ob_in_ob (object *op, object *where)
…		…
1599	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1573	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1600	free (dump);	1574	free (dump);
1601	return op;	1575	return op;
1602	}	1576	}
1603		1577
1604	if (where->head)	1578	if (where->head_ () != where)
1605	{	1579	{
1606	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1580	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1607	where = where->head;	1581	where = where->head;
1608	}	1582	}
1609		1583
1610	return where->insert (op);	1584	return where->insert (op);
1611	}	1585	}
…		…
1616	* inside the object environment.	1590	* inside the object environment.
1617	*	1591	*
1618	* The function returns now pointer to inserted item, and return value can	1592	* The function returns now pointer to inserted item, and return value can
1619	* be != op, if items are merged. -Tero	1593	* be != op, if items are merged. -Tero
1620	*/	1594	*/
1621
1622	object *	1595	object *
1623	object::insert (object *op)	1596	object::insert (object *op)
1624	{	1597	{
1625	object *tmp, *otmp;
1626
1627	if (!QUERY_FLAG (op, FLAG_REMOVED))
1628	op->remove ();
1629
1630	if (op->more)	1598	if (op->more)
1631	{	1599	{
1632	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1600	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1633	return op;	1601	return op;
1634	}	1602	}
1635		1603
1636	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1604	op->remove ();
1637	CLEAR_FLAG (op, FLAG_REMOVED);	1605
		1606	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1607
1638	if (op->nrof)	1608	if (op->nrof)
1639	{
1640	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1609	for (object *tmp = inv; tmp; tmp = tmp->below)
1641	if (object::can_merge (tmp, op))	1610	if (object::can_merge (tmp, op))
1642	{	1611	{
1643	/* return the original object and remove inserted object	1612	/* return the original object and remove inserted object
1644	(client needs the original object) */	1613	(client needs the original object) */
1645	tmp->nrof += op->nrof;	1614	tmp->nrof += op->nrof;
1646	/* Weight handling gets pretty funky. Since we are adding to	1615
1647	* tmp->nrof, we need to increase the weight.	1616	if (object *pl = tmp->visible_to ())
1648	*/	1617	esrv_update_item (UPD_NROF, pl, tmp);
		1618
1649	add_weight (this, op->weight * op->nrof);	1619	adjust_weight (this, op->total_weight ());
1650	SET_FLAG (op, FLAG_REMOVED);	1620
1651	op->destroy (); /* free the inserted object */	1621	op->destroy (1);
1652	op = tmp;	1622	op = tmp;
1653	op->remove (); /* and fix old object's links */	1623	goto inserted;
1654	CLEAR_FLAG (op, FLAG_REMOVED);
1655	break;
1656	}	1624	}
1657		1625
1658	/* I assume combined objects have no inventory	1626	op->owner = 0; // it's his/hers now. period.
1659	* We add the weight - this object could have just been removed
1660	* (if it was possible to merge). calling remove_ob will subtract
1661	* the weight, so we need to add it in again, since we actually do
1662	* the linking below
1663	*/
1664	add_weight (this, op->weight * op->nrof);
1665	}
1666	else
1667	add_weight (this, (op->weight + op->carrying));
1668
1669	otmp = this->in_player ();
1670	if (otmp && otmp->contr)
1671	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1672	otmp->update_stats ();
1673
1674	op->map = 0;	1627	op->map = 0;
1675	op->env = this;	1628	op->x = 0;
		1629	op->y = 0;
		1630
1676	op->above = 0;	1631	op->above = 0;
1677	op->below = 0;	1632	op->below = inv;
1678	op->x = 0, op->y = 0;	1633	op->env = this;
1679		1634
		1635	if (inv)
		1636	inv->above = op;
		1637
		1638	inv = op;
		1639
		1640	op->flag [FLAG_REMOVED] = 0;
		1641
		1642	if (object *pl = op->visible_to ())
		1643	esrv_send_item (pl, op);
		1644
		1645	adjust_weight (this, op->total_weight ());
		1646
		1647	inserted:
1680	/* reset the light list and los of the players on the map */	1648	/* reset the light list and los of the players on the map */
1681	if ((op->glow_radius != 0) && map)	1649	if (op->glow_radius && map && map->darkness)
1682	{
1683	#ifdef DEBUG_LIGHTS
1684	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1685	#endif /* DEBUG_LIGHTS */
1686	if (map->darkness)
1687	update_all_los (map, x, y);	1650	update_all_los (map, x, y);
1688	}
1689		1651
1690	/* Client has no idea of ordering so lets not bother ordering it here.	1652	// if this is a player's inventory, update stats
1691	* It sure simplifies this function...	1653	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1692	*/	1654	update_stats ();
1693	if (!inv)
1694	inv = op;
1695	else
1696	{
1697	op->below = inv;
1698	op->below->above = op;
1699	inv = op;
1700	}
1701		1655
1702	INVOKE_OBJECT (INSERT, this);	1656	INVOKE_OBJECT (INSERT, this);
1703		1657
1704	return op;	1658	return op;
1705	}	1659	}
…		…
1758		1712
1759	/* The objects have to be checked from top to bottom.	1713	/* The objects have to be checked from top to bottom.
1760	* Hence, we first go to the top:	1714	* Hence, we first go to the top:
1761	*/	1715	*/
1762		1716
1763	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)	1717	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1764	{	1718	{
1765	/* Trim the search when we find the first other spell effect	1719	/* Trim the search when we find the first other spell effect
1766	* this helps performance so that if a space has 50 spell objects,	1720	* this helps performance so that if a space has 50 spell objects,
1767	* we don't need to check all of them.	1721	* we don't need to check all of them.
1768	*/	1722	*/
…		…
1786	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1740	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1787	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1741	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1788	{	1742	{
1789		1743
1790	float	1744	float
1791	diff = tmp->move_slow_penalty * FABS (op->speed);	1745	diff = tmp->move_slow_penalty * fabs (op->speed);
1792		1746
1793	if (op->type == PLAYER)	1747	if (op->type == PLAYER)
1794	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1748	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1795	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1749	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1796	diff /= 4.0;	1750	diff /= 4.0;
…		…
1826	* The first matching object is returned, or NULL if none.	1780	* The first matching object is returned, or NULL if none.
1827	*/	1781	*/
1828	object *	1782	object *
1829	present_arch (const archetype *at, maptile *m, int x, int y)	1783	present_arch (const archetype *at, maptile *m, int x, int y)
1830	{	1784	{
1831	if (m == NULL || out_of_map (m, x, y))	1785	if (!m || out_of_map (m, x, y))
1832	{	1786	{
1833	LOG (llevError, "Present_arch called outside map.\n");	1787	LOG (llevError, "Present_arch called outside map.\n");
1834	return NULL;	1788	return NULL;
1835	}	1789	}
1836		1790
1837	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1791	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1838	if (tmp->arch == at)	1792	if (tmp->arch->archname == at->archname)
1839	return tmp;	1793	return tmp;
1840		1794
1841	return NULL;	1795	return NULL;
1842	}	1796	}
1843		1797
…		…
1853	{	1807	{
1854	LOG (llevError, "Present called outside map.\n");	1808	LOG (llevError, "Present called outside map.\n");
1855	return NULL;	1809	return NULL;
1856	}	1810	}
1857		1811
1858	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1812	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1859	if (tmp->type == type)	1813	if (tmp->type == type)
1860	return tmp;	1814	return tmp;
1861		1815
1862	return NULL;	1816	return NULL;
1863	}	1817	}
…		…
1907	* The first matching object is returned, or NULL if none.	1861	* The first matching object is returned, or NULL if none.
1908	*/	1862	*/
1909	object *	1863	object *
1910	present_arch_in_ob (const archetype *at, const object *op)	1864	present_arch_in_ob (const archetype *at, const object *op)
1911	{	1865	{
1912	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1866	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1913	if (tmp->arch == at)	1867	if (tmp->arch->archname == at->archname)
1914	return tmp;	1868	return tmp;
1915		1869
1916	return NULL;	1870	return NULL;
1917	}	1871	}
1918		1872
…		…
1920	* activate recursively a flag on an object inventory	1874	* activate recursively a flag on an object inventory
1921	*/	1875	*/
1922	void	1876	void
1923	flag_inv (object *op, int flag)	1877	flag_inv (object *op, int flag)
1924	{	1878	{
1925	if (op->inv)
1926	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1879	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1927	{	1880	{
1928	SET_FLAG (tmp, flag);	1881	SET_FLAG (tmp, flag);
1929	flag_inv (tmp, flag);	1882	flag_inv (tmp, flag);
1930	}	1883	}
1931	}	1884	}
1932		1885
1933	/*	1886	/*
1934	* deactivate recursively a flag on an object inventory	1887	* deactivate recursively a flag on an object inventory
1935	*/	1888	*/
1936	void	1889	void
1937	unflag_inv (object *op, int flag)	1890	unflag_inv (object *op, int flag)
1938	{	1891	{
1939	if (op->inv)
1940	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1892	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1941	{	1893	{
1942	CLEAR_FLAG (tmp, flag);	1894	CLEAR_FLAG (tmp, flag);
1943	unflag_inv (tmp, flag);	1895	unflag_inv (tmp, flag);
1944	}	1896	}
1945	}
1946
1947	/*
1948	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1949	* all it's inventory (recursively).
1950	* If checksums are used, a player will get set_cheat called for
1951	* him/her-self and all object carried by a call to this function.
1952	*/
1953	void
1954	set_cheat (object *op)
1955	{
1956	SET_FLAG (op, FLAG_WAS_WIZ);
1957	flag_inv (op, FLAG_WAS_WIZ);
1958	}	1897	}
1959		1898
1960	/*	1899	/*
1961	* find_free_spot(object, map, x, y, start, stop) will search for	1900	* find_free_spot(object, map, x, y, start, stop) will search for
1962	* a spot at the given map and coordinates which will be able to contain	1901	* a spot at the given map and coordinates which will be able to contain
…		…
1964	* to search (see the freearr_x/y[] definition).	1903	* to search (see the freearr_x/y[] definition).
1965	* It returns a random choice among the alternatives found.	1904	* It returns a random choice among the alternatives found.
1966	* start and stop are where to start relative to the free_arr array (1,9	1905	* start and stop are where to start relative to the free_arr array (1,9
1967	* does all 4 immediate directions). This returns the index into the	1906	* does all 4 immediate directions). This returns the index into the
1968	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1907	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1969	* Note - this only checks to see if there is space for the head of the
1970	* object - if it is a multispace object, this should be called for all
1971	* pieces.
1972	* Note2: This function does correctly handle tiled maps, but does not	1908	* Note: This function does correctly handle tiled maps, but does not
1973	* inform the caller. However, insert_ob_in_map will update as	1909	* inform the caller. However, insert_ob_in_map will update as
1974	* necessary, so the caller shouldn't need to do any special work.	1910	* necessary, so the caller shouldn't need to do any special work.
1975	* Note - updated to take an object instead of archetype - this is necessary	1911	* Note - updated to take an object instead of archetype - this is necessary
1976	* because arch_blocked (now ob_blocked) needs to know the movement type	1912	* because arch_blocked (now ob_blocked) needs to know the movement type
1977	* to know if the space in question will block the object. We can't use	1913	* to know if the space in question will block the object. We can't use
…		…
1979	* customized, changed states, etc.	1915	* customized, changed states, etc.
1980	*/	1916	*/
1981	int	1917	int
1982	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1918	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1983	{	1919	{
		1920	int altern[SIZEOFFREE];
1984	int index = 0, flag;	1921	int index = 0, flag;
1985	int altern[SIZEOFFREE];
1986		1922
1987	for (int i = start; i < stop; i++)	1923	for (int i = start; i < stop; i++)
1988	{	1924	{
1989	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1925	mapxy pos (m, x, y); pos.move (i);
1990	if (!flag)	1926
		1927	if (!pos.normalise ())
		1928	continue;
		1929
		1930	mapspace &ms = *pos;
		1931
		1932	if (ms.flags () & P_IS_ALIVE)
		1933	continue;
		1934
		1935	/* However, often
		1936	* ob doesn't have any move type (when used to place exits)
		1937	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1938	*/
		1939	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1940	{
1991	altern [index++] = i;	1941	altern [index++] = i;
		1942	continue;
		1943	}
1992		1944
1993	/* Basically, if we find a wall on a space, we cut down the search size.	1945	/* Basically, if we find a wall on a space, we cut down the search size.
1994	* In this way, we won't return spaces that are on another side of a wall.	1946	* In this way, we won't return spaces that are on another side of a wall.
1995	* This mostly work, but it cuts down the search size in all directions -	1947	* This mostly work, but it cuts down the search size in all directions -
1996	* if the space being examined only has a wall to the north and empty	1948	* if the space being examined only has a wall to the north and empty
1997	* spaces in all the other directions, this will reduce the search space	1949	* spaces in all the other directions, this will reduce the search space
1998	* to only the spaces immediately surrounding the target area, and	1950	* to only the spaces immediately surrounding the target area, and
1999	* won't look 2 spaces south of the target space.	1951	* won't look 2 spaces south of the target space.
2000	*/	1952	*/
2001	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1953	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1954	{
2002	stop = maxfree[i];	1955	stop = maxfree[i];
		1956	continue;
		1957	}
		1958
		1959	/* Note it is intentional that we check ob - the movement type of the
		1960	* head of the object should correspond for the entire object.
		1961	*/
		1962	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1963	continue;
		1964
		1965	if (ob->blocked (m, pos.x, pos.y))
		1966	continue;
		1967
		1968	altern [index++] = i;
2003	}	1969	}
2004		1970
2005	if (!index)	1971	if (!index)
2006	return -1;	1972	return -1;
2007		1973
2008	return altern[RANDOM () % index];	1974	return altern [rndm (index)];
2009	}	1975	}
2010		1976
2011	/*	1977	/*
2012	* find_first_free_spot(archetype, maptile, x, y) works like	1978	* find_first_free_spot(archetype, maptile, x, y) works like
2013	* find_free_spot(), but it will search max number of squares.	1979	* find_free_spot(), but it will search max number of squares.
…		…
2016	*/	1982	*/
2017	int	1983	int
2018	find_first_free_spot (const object *ob, maptile *m, int x, int y)	1984	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2019	{	1985	{
2020	for (int i = 0; i < SIZEOFFREE; i++)	1986	for (int i = 0; i < SIZEOFFREE; i++)
2021	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	1987	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2022	return i;	1988	return i;
2023		1989
2024	return -1;	1990	return -1;
2025	}	1991	}
2026		1992
…		…
2034	{	2000	{
2035	arr += begin;	2001	arr += begin;
2036	end -= begin;	2002	end -= begin;
2037		2003
2038	while (--end)	2004	while (--end)
2039	swap (arr [end], arr [RANDOM () % (end + 1)]);	2005	swap (arr [end], arr [rndm (end + 1)]);
2040	}	2006	}
2041		2007
2042	/* new function to make monster searching more efficient, and effective!	2008	/* new function to make monster searching more efficient, and effective!
2043	* This basically returns a randomized array (in the passed pointer) of	2009	* This basically returns a randomized array (in the passed pointer) of
2044	* the spaces to find monsters. In this way, it won't always look for	2010	* the spaces to find monsters. In this way, it won't always look for
…		…
2080	object *tmp;	2046	object *tmp;
2081	maptile *mp;	2047	maptile *mp;
2082		2048
2083	MoveType blocked, move_type;	2049	MoveType blocked, move_type;
2084		2050
2085	if (exclude && exclude->head)	2051	if (exclude && exclude->head_ () != exclude)
2086	{	2052	{
2087	exclude = exclude->head;	2053	exclude = exclude->head;
2088	move_type = exclude->move_type;	2054	move_type = exclude->move_type;
2089	}	2055	}
2090	else	2056	else
…		…
2113	max = maxfree[i];	2079	max = maxfree[i];
2114	else if (mflags & P_IS_ALIVE)	2080	else if (mflags & P_IS_ALIVE)
2115	{	2081	{
2116	for (tmp = ms.bot; tmp; tmp = tmp->above)	2082	for (tmp = ms.bot; tmp; tmp = tmp->above)
2117	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2083	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2118	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2084	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2119	break;	2085	break;
2120		2086
2121	if (tmp)	2087	if (tmp)
2122	return freedir[i];	2088	return freedir[i];
2123	}	2089	}
…		…
2178		2144
2179	return 3;	2145	return 3;
2180	}	2146	}
2181		2147
2182	/*	2148	/*
2183	* absdir(int): Returns a number between 1 and 8, which represent
2184	* the "absolute" direction of a number (it actually takes care of
2185	* "overflow" in previous calculations of a direction).
2186	*/
2187
2188	int
2189	absdir (int d)
2190	{
2191	while (d < 1)
2192	d += 8;
2193
2194	while (d > 8)
2195	d -= 8;
2196
2197	return d;
2198	}
2199
2200	/*
2201	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2149	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2202	* between two directions (which are expected to be absolute (see absdir())	2150	* between two directions (which are expected to be absolute (see absdir())
2203	*/	2151	*/
2204
2205	int	2152	int
2206	dirdiff (int dir1, int dir2)	2153	dirdiff (int dir1, int dir2)
2207	{	2154	{
2208	int d;	2155	int d;
2209		2156
…		…
2322	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2269	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2323	* core dumps if they do.	2270	* core dumps if they do.
2324	*	2271	*
2325	* Add a check so we can't pick up invisible objects (0.93.8)	2272	* Add a check so we can't pick up invisible objects (0.93.8)
2326	*/	2273	*/
2327
2328	int	2274	int
2329	can_pick (const object *who, const object *item)	2275	can_pick (const object *who, const object *item)
2330	{	2276	{
2331	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2277	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2332	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2278	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2335		2281
2336	/*	2282	/*
2337	* create clone from object to another	2283	* create clone from object to another
2338	*/	2284	*/
2339	object *	2285	object *
2340	object_create_clone (object *asrc)	2286	object::deep_clone ()
2341	{	2287	{
2342	object *dst = 0, *tmp, *src, *part, *prev, *item;	2288	assert (("deep_clone called on non-head object", is_head ()));
2343		2289
2344	if (!asrc)	2290	object *dst = clone ();
2345	return 0;
2346		2291
2347	src = asrc;	2292	object *prev = dst;
2348	if (src->head)
2349	src = src->head;
2350
2351	prev = 0;
2352	for (part = src; part; part = part->more)	2293	for (object *part = this->more; part; part = part->more)
2353	{	2294	{
2354	tmp = part->clone ();	2295	object *tmp = part->clone ();
2355	tmp->x -= src->x;
2356	tmp->y -= src->y;
2357
2358	if (!part->head)
2359	{
2360	dst = tmp;
2361	tmp->head = 0;
2362	}
2363	else
2364	tmp->head = dst;	2296	tmp->head = dst;
2365
2366	tmp->more = 0;
2367
2368	if (prev)
2369	prev->more = tmp;	2297	prev->more = tmp;
2370
2371	prev = tmp;	2298	prev = tmp;
2372	}	2299	}
2373		2300
2374	for (item = src->inv; item; item = item->below)	2301	for (object *item = inv; item; item = item->below)
2375	insert_ob_in_ob (object_create_clone (item), dst);	2302	insert_ob_in_ob (item->deep_clone (), dst);
2376		2303
2377	return dst;	2304	return dst;
2378	}
2379
2380	/* GROS - Creates an object using a string representing its content. */
2381	/* Basically, we save the content of the string to a temp file, then call */
2382	/* load_object on it. I admit it is a highly inefficient way to make things, */
2383	/* but it was simple to make and allows reusing the load_object function. */
2384	/* Remember not to use load_object_str in a time-critical situation. */
2385	/* Also remember that multiparts objects are not supported for now. */
2386	object *
2387	load_object_str (const char *obstr)
2388	{
2389	object *op;
2390	char filename[MAX_BUF];
2391
2392	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2393
2394	FILE *tempfile = fopen (filename, "w");
2395
2396	if (tempfile == NULL)
2397	{
2398	LOG (llevError, "Error - Unable to access load object temp file\n");
2399	return NULL;
2400	}
2401
2402	fprintf (tempfile, obstr);
2403	fclose (tempfile);
2404
2405	op = object::create ();
2406
2407	object_thawer thawer (filename);
2408
2409	if (thawer)
2410	load_object (thawer, op, 0);
2411
2412	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2413	CLEAR_FLAG (op, FLAG_REMOVED);
2414
2415	return op;
2416	}	2305	}
2417		2306
2418	/* This returns the first object in who's inventory that	2307	/* This returns the first object in who's inventory that
2419	* has the same type and subtype match.	2308	* has the same type and subtype match.
2420	* returns NULL if no match.	2309	* returns NULL if no match.
…		…
2427	return tmp;	2316	return tmp;
2428		2317
2429	return 0;	2318	return 0;
2430	}	2319	}
2431		2320
2432	/* If ob has a field named key, return the link from the list,	2321	const shstr &
2433	* otherwise return NULL.	2322	object::kv_get (const shstr &key) const
2434	*
2435	* key must be a passed in shared string - otherwise, this won't
2436	* do the desired thing.
2437	*/
2438	key_value *
2439	get_ob_key_link (const object *ob, const char *key)
2440	{	2323	{
2441	for (key_value *link = ob->key_values; link; link = link->next)	2324	for (key_value *kv = key_values; kv; kv = kv->next)
2442	if (link->key == key)	2325	if (kv->key == key)
2443	return link;
2444
2445	return 0;
2446	}
2447
2448	/*
2449	* Returns the value of op has an extra_field for key, or NULL.
2450	*
2451	* The argument doesn't need to be a shared string.
2452	*
2453	* The returned string is shared.
2454	*/
2455	const char *
2456	get_ob_key_value (const object *op, const char *const key)
2457	{
2458	key_value *link;
2459	shstr_cmp canonical_key (key);
2460
2461	if (!canonical_key)
2462	{
2463	/* 1. There being a field named key on any object
2464	* implies there'd be a shared string to find.
2465	* 2. Since there isn't, no object has this field.
2466	* 3. Therefore, *this* object doesn't have this field.
2467	*/
2468	return 0;
2469	}
2470
2471	/* This is copied from get_ob_key_link() above -
2472	* only 4 lines, and saves the function call overhead.
2473	*/
2474	for (link = op->key_values; link; link = link->next)
2475	if (link->key == canonical_key)
2476	return link->value;	2326	return kv->value;
2477		2327
2478	return 0;	2328	return shstr_null;
2479	}	2329	}
2480		2330
2481		2331	void
2482	/*	2332	object::kv_set (const shstr &key, const shstr &value)
2483	* Updates the canonical_key in op to value.
2484	*
2485	* canonical_key is a shared string (value doesn't have to be).
2486	*
2487	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2488	* keys.
2489	*
2490	* Returns TRUE on success.
2491	*/
2492	int
2493	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2494	{	2333	{
2495	key_value *field = NULL, *last = NULL;	2334	for (key_value *kv = key_values; kv; kv = kv->next)
2496		2335	if (kv->key == key)
2497	for (field = op->key_values; field != NULL; field = field->next)
2498	{
2499	if (field->key != canonical_key)
2500	{	2336	{
2501	last = field;	2337	kv->value = value;
2502	continue;	2338	return;
2503	}	2339	}
2504		2340
2505	if (value)	2341	key_value *kv = new key_value;
2506	field->value = value;	2342
2507	else	2343	kv->next = key_values;
		2344	kv->key = key;
		2345	kv->value = value;
		2346
		2347	key_values = kv;
		2348	}
		2349
		2350	void
		2351	object::kv_del (const shstr &key)
		2352	{
		2353	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2354	if ((*kvp)->key == key)
2508	{	2355	{
2509	/* Basically, if the archetype has this key set,	2356	key_value *kv = *kvp;
2510	* we need to store the null value so when we save	2357	*kvp = (*kvp)->next;
2511	* it, we save the empty value so that when we load,	2358	delete kv;
2512	* we get this value back again.	2359	return;
2513	*/
2514	if (get_ob_key_link (&op->arch->clone, canonical_key))
2515	field->value = 0;
2516	else
2517	{
2518	if (last)
2519	last->next = field->next;
2520	else
2521	op->key_values = field->next;
2522
2523	delete field;
2524	}
2525	}	2360	}
2526	return TRUE;
2527	}
2528	/* IF we get here, key doesn't exist */
2529
2530	/* No field, we'll have to add it. */
2531
2532	if (!add_key)
2533	return FALSE;
2534
2535	/* There isn't any good reason to store a null
2536	* value in the key/value list. If the archetype has
2537	* this key, then we should also have it, so shouldn't
2538	* be here. If user wants to store empty strings,
2539	* should pass in ""
2540	*/
2541	if (value == NULL)
2542	return TRUE;
2543
2544	field = new key_value;
2545
2546	field->key = canonical_key;
2547	field->value = value;
2548	/* Usual prepend-addition. */
2549	field->next = op->key_values;
2550	op->key_values = field;
2551
2552	return TRUE;
2553	}
2554
2555	/*
2556	* Updates the key in op to value.
2557	*
2558	* If add_key is FALSE, this will only update existing keys,
2559	* and not add new ones.
2560	* In general, should be little reason FALSE is ever passed in for add_key
2561	*
2562	* Returns TRUE on success.
2563	*/
2564	int
2565	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2566	{
2567	shstr key_ (key);
2568
2569	return set_ob_key_value_s (op, key_, value, add_key);
2570	}	2361	}
2571		2362
2572	object::depth_iterator::depth_iterator (object *container)	2363	object::depth_iterator::depth_iterator (object *container)
2573	: iterator_base (container)	2364	: iterator_base (container)
2574	{	2365	{
…		…
2588	}	2379	}
2589	else	2380	else
2590	item = item->env;	2381	item = item->env;
2591	}	2382	}
2592		2383
2593
2594	const char *	2384	const char *
2595	object::flag_desc (char *desc, int len) const	2385	object::flag_desc (char *desc, int len) const
2596	{	2386	{
2597	char *p = desc;	2387	char *p = desc;
2598	bool first = true;	2388	bool first = true;
		2389
		2390	*p = 0;
2599		2391
2600	for (int i = 0; i < NUM_FLAGS; i++)	2392	for (int i = 0; i < NUM_FLAGS; i++)
2601	{	2393	{
2602	if (len <= 10) // magic constant!	2394	if (len <= 10) // magic constant!
2603	{	2395	{
2604	snprintf (p, len, ",...");	2396	snprintf (p, len, ",...");
2605	break;	2397	break;
2606	}	2398	}
2607		2399
2608	if (flag[i])	2400	if (flag [i])
2609	{	2401	{
2610	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);	2402	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
2611	len -= cnt;	2403	len -= cnt;
2612	p += cnt;	2404	p += cnt;
2613	first = false;	2405	first = false;
…		…
2615	}	2407	}
2616		2408
2617	return desc;	2409	return desc;
2618	}	2410	}
2619		2411
2620	// return a suitable string describing an objetc in enough detail to find it	2412	// return a suitable string describing an object in enough detail to find it
2621	const char *	2413	const char *
2622	object::debug_desc (char *info) const	2414	object::debug_desc (char *info) const
2623	{	2415	{
2624	char flagdesc[512];	2416	char flagdesc[512];
2625	char info2[256 * 4];	2417	char info2[256 * 4];
2626	char *p = info;	2418	char *p = info;
2627		2419
2628	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",	2420	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2629	count, uuid.seq,	2421	count,
		2422	uuid.c_str (),
2630	&name,	2423	&name,
2631	title ? "\",title:" : "",	2424	title ? "\",title:\"" : "",
2632	title ? (const char *)title : "",	2425	title ? (const char *)title : "",
2633	flag_desc (flagdesc, 512), type);	2426	flag_desc (flagdesc, 512), type);
2634		2427
2635	if (env)	2428	if (!flag[FLAG_REMOVED] && env)
2636	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2429	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2637		2430
2638	if (map)	2431	if (map)
2639	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2432	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2640		2433
…		…
2642	}	2435	}
2643		2436
2644	const char *	2437	const char *
2645	object::debug_desc () const	2438	object::debug_desc () const
2646	{	2439	{
2647	static char info[256 * 3];	2440	static char info[3][256 * 4];
		2441	static int info_idx;
		2442
2648	return debug_desc (info);	2443	return debug_desc (info [++info_idx % 3]);
2649	}	2444	}
2650		2445
		2446	struct region *
		2447	object::region () const
		2448	{
		2449	return map ? map->region (x, y)
		2450	: region::default_region ();
		2451	}
		2452
		2453	const materialtype_t *
		2454	object::dominant_material () const
		2455	{
		2456	if (materialtype_t *mt = name_to_material (materialname))
		2457	return mt;
		2458
		2459	return name_to_material (shstr_unknown);
		2460	}
		2461
		2462	void
		2463	object::open_container (object *new_container)
		2464	{
		2465	if (container == new_container)
		2466	return;
		2467
		2468	object *old_container = container;
		2469
		2470	if (old_container)
		2471	{
		2472	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2473	return;
		2474
		2475	#if 0
		2476	// remove the "Close old_container" object.
		2477	if (object *closer = old_container->inv)
		2478	if (closer->type == CLOSE_CON)
		2479	closer->destroy ();
		2480	#endif
		2481
		2482	// make sure the container is available
		2483	esrv_send_item (this, old_container);
		2484
		2485	old_container->flag [FLAG_APPLIED] = false;
		2486	container = 0;
		2487
		2488	// client needs item update to make it work, client bug requires this to be separate
		2489	esrv_update_item (UPD_FLAGS, this, old_container);
		2490
		2491	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2492	play_sound (sound_find ("chest_close"));
		2493	}
		2494
		2495	if (new_container)
		2496	{
		2497	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2498	return;
		2499
		2500	// TODO: this does not seem to serve any purpose anymore?
		2501	#if 0
		2502	// insert the "Close Container" object.
		2503	if (archetype *closer = new_container->other_arch)
		2504	{
		2505	object *closer = arch_to_object (new_container->other_arch);
		2506	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2507	new_container->insert (closer);
		2508	}
		2509	#endif
		2510
		2511	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2512
		2513	// make sure the container is available, client bug requires this to be separate
		2514	esrv_send_item (this, new_container);
		2515
		2516	new_container->flag [FLAG_APPLIED] = true;
		2517	container = new_container;
		2518
		2519	// client needs flag change
		2520	esrv_update_item (UPD_FLAGS, this, new_container);
		2521	esrv_send_inventory (this, new_container);
		2522	play_sound (sound_find ("chest_open"));
		2523	}
		2524	// else if (!old_container->env && contr && contr->ns)
		2525	// contr->ns->floorbox_reset ();
		2526	}
		2527
		2528	object *
		2529	object::force_find (const shstr name)
		2530	{
		2531	/* cycle through his inventory to look for the MARK we want to
		2532	* place
		2533	*/
		2534	for (object *tmp = inv; tmp; tmp = tmp->below)
		2535	if (tmp->type == FORCE && tmp->slaying == name)
		2536	return splay (tmp);
		2537
		2538	return 0;
		2539	}
		2540
		2541	void
		2542	object::force_add (const shstr name, int duration)
		2543	{
		2544	if (object *force = force_find (name))
		2545	force->destroy ();
		2546
		2547	object *force = get_archetype (FORCE_NAME);
		2548
		2549	force->slaying = name;
		2550	force->stats.food = 1;
		2551	force->speed_left = -1.f;
		2552
		2553	force->set_speed (duration ? 1.f / duration : 0.f);
		2554	force->flag [FLAG_IS_USED_UP] = true;
		2555	force->flag [FLAG_APPLIED] = true;
		2556
		2557	insert (force);
		2558	}
		2559
		2560	void
		2561	object::play_sound (faceidx sound)
		2562	{
		2563	if (!sound)
		2564	return;
		2565
		2566	if (flag [FLAG_REMOVED])
		2567	return;
		2568
		2569	if (env)
		2570	{
		2571	if (object *pl = in_player ())
		2572	pl->contr->play_sound (sound);
		2573	}
		2574	else
		2575	map->play_sound (sound, x, y);
		2576	}
		2577

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