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Comparing deliantra/server/common/object.C (file contents):
Revision 1.130 by root, Sat Feb 10 01:52:25 2007 UTC vs.
Revision 1.295 by root, Fri Nov 6 13:03:34 2009 UTC

1	/*	1	/*
2	* CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
19	* along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
21	*	21	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	23	*/
24		24
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	25	#include <global.h>
29	#include <stdio.h>	26	#include <stdio.h>
30	#include <sys/types.h>	27	#include <sys/types.h>
31	#include <sys/uio.h>	28	#include <sys/uio.h>
32	#include <object.h>	29	#include <object.h>
33	#include <funcpoint.h>	30	#include <sproto.h>
34	#include <loader.h>	31	#include <loader.h>
35		32
36	#include <bitset>	33	#include <bitset>
37		34
38	int nrofallocobjects = 0;	35	UUID UUID::cur;
39	static UUID uuid;	36	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
		38	uint32_t mapspace::smellcount = 10000;
41		39
42	objectvec objects;	40	objectvec objects;
43	activevec actives;	41	activevec actives;
44		42
45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	43	//+GPL
		44
		45	short freearr_x[SIZEOFFREE] = {
		46	0,
		47	0, 1, 1, 1, 0, -1, -1, -1,
		48	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	49	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
47	};	50	};
48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	51	short freearr_y[SIZEOFFREE] = {
		52	0,
		53	-1, -1, 0, 1, 1, 1, 0, -1,
		54	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
49	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	55	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50	};
51	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,
52	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
53	};	56	};
54	int freedir[SIZEOFFREE] = {	57	int freedir[SIZEOFFREE] = {
55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	58	0,
		59	1, 2, 3, 4, 5, 6, 7, 8,
		60	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	61	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
57	};	62	};
58		63
		64	static int maxfree[SIZEOFFREE] = {
		65	0,
		66	9, 10, 13, 14, 17, 18, 21, 22,
		67	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		68	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		69	};
		70
59	static void	71	static void
60	write_uuid (void)	72	write_uuid (uval64 skip, bool sync)
61	{	73	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	74	CALL_BEGIN (2);
63		75	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	76	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	77	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		78	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	79	}
79		80
80	static void	81	static void
81	read_uuid (void)	82	read_uuid (void)
82	{	83	{
83	char filename[MAX_BUF];	84	char filename[MAX_BUF];
84		85
85	sprintf (filename, "%s/uuid", settings.localdir);	86	sprintf (filename, "%s/uuid", settings.localdir);
		87
		88	seq_next_save = 0;
86		89
87	FILE *fp;	90	FILE *fp;
88		91
89	if (!(fp = fopen (filename, "r")))	92	if (!(fp = fopen (filename, "r")))
90	{	93	{
91	if (errno == ENOENT)	94	if (errno == ENOENT)
92	{	95	{
93	LOG (llevInfo, "RESET uid to 1\n");	96	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	97	UUID::cur.seq = 0;
95	write_uuid ();	98	write_uuid (UUID_GAP, true);
96	return;	99	return;
97	}	100	}
98		101
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	102	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	103	_exit (1);
101	}	104	}
102		105
103	int version;	106	UUID::BUF buf;
104	unsigned long long uid;	107	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	108	fgets (buf, sizeof (buf), fp);
		109
		110	if (!UUID::cur.parse (buf))
106	{	111	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	112	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	113	_exit (1);
109	}	114	}
110		115
111	uuid.seq = uid;	116	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	117
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	118	write_uuid (UUID_GAP, true);
114	fclose (fp);	119	fclose (fp);
115	}	120	}
116		121
117	UUID	122	UUID
118	gen_uuid ()	123	UUID::gen ()
119	{	124	{
120	UUID uid;	125	UUID uid;
121		126
122	uid.seq = ++uuid.seq;	127	uid.seq = ++cur.seq;
123		128
124	if (!(uuid.seq & (UUID_SKIP - 1)))	129	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	130	{
		131	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		132	write_uuid (UUID_GAP, false);
		133	}
		134
126		135
127	return uid;	136	return uid;
128	}	137	}
129		138
130	void	139	void
131	init_uuid ()	140	UUID::init ()
132	{	141	{
133	read_uuid ();	142	read_uuid ();
134	}	143	}
135		144
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	145	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	146	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	147	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	148	{
140	key_value *wants_field;
141
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	149	/* n-squared behaviour (see kv_get), but I'm hoping both
143	* objects with lists are rare, and lists stay short. If not, use a	150	* objects with lists are rare, and lists stay short. If not, use a
144	* different structure or at least keep the lists sorted...	151	* different structure or at least keep the lists sorted...
145	*/	152	*/
146		153
147	/* For each field in wants, */	154	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	155	for (key_value *kv = wants->key_values; kv; kv = kv->next)
149	{	156	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	157	return false;
151
152	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);
154
155	if (has_field == NULL)
156	{
157	/* No field with that name. */
158	return FALSE;
159	}
160
161	/* Found the matching field. */
162	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167
168	/* If we get here, we found a match. Now for the next field in wants. */
169	}
170		158
171	/* If we get here, every field in wants has a matching field in has. */	159	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	160	return true;
173	}	161	}
174		162
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	163	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	164	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	165	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	166	{
179	/* However, there may be fields in has which aren't partnered in wants,	167	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	168	* so we need to run the comparison *twice*. :(
181	*/	169	*/
182	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	170	return compare_ob_value_lists_one (ob1, ob2)
		171	&& compare_ob_value_lists_one (ob2, ob1);
183	}	172	}
184		173
185	/* Function examines the 2 objects given to it, and returns true if	174	/* Function examines the 2 objects given to it, and returns true if
186	* they can be merged together.	175	* they can be merged together.
187	*	176	*
…		…
202	|| ob1->speed != ob2->speed	191	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	192	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	193	|| ob1->name != ob2->name)
205	return 0;	194	return 0;
206		195
207	//TODO: this ain't working well, use nicer and correct overflow check
208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	196	/* Do not merge objects if nrof would overflow, assume nrof
209	* value could not be stored in a sint32 (which unfortunately sometimes is	197	* is always 0 .. 2**31-1 */
210	* used to store nrof).	198	if (ob1->nrof > 0x7fffffff - ob2->nrof)
211	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
213	return 0;	199	return 0;
214		200
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	201	/* If the objects have been identified, set the BEEN_APPLIED flag.
216	* This is to the comparison of the flags below will be OK. We	202	* This is to the comparison of the flags below will be OK. We
217	* just can't ignore the been applied or identified flags, as they	203	* just can't ignore the been applied or identified flags, as they
218	* are not equal - just if it has been identified, the been_applied	204	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	205	* flags lose any meaning.
220	*/	206	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	207	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	208	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		209
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	210	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	211	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		212
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	213	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	214	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	215	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	216	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	217	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	218	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	219	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	220	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	221	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	222	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	223	|| ob1->animation_id != ob2->animation_id
		224	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
241	|| ob1->client_type != ob2->client_type	225	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	226	|| ob1->materialname != ob2->materialname
243	|| ob1->lore != ob2->lore	227	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	228	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	229	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	230	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	231	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	232	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	233	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	234	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	235	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		236	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		237	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	238	return 0;
253		239
		240	if ((ob1->flag ^ ob2->flag)
		241	.reset (FLAG_INV_LOCKED)
		242	.reset (FLAG_REMOVED)
		243	.any ())
		244	return 0;
		245
254	/* This is really a spellbook check - really, we should	246	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	247	* not merge objects with real inventories, as splitting them
		248	* is hard.
256	*/	249	*/
257	if (ob1->inv || ob2->inv)	250	if (ob1->inv || ob2->inv)
258	{	251	{
259	/* if one object has inventory but the other doesn't, not equiv */	252	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	253	return 0; /* inventories differ in length */
261	return 0;
262		254
263	/* Now check to see if the two inventory objects could merge */	255	if (ob1->inv->below || ob2->inv->below)
		256	return 0; /* more than one object in inv */
		257
264	if (!object::can_merge (ob1->inv, ob2->inv))	258	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	259	return 0; /* inventory objects differ */
266		260
267	/* inventory ok - still need to check rest of this object to see	261	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	262	* if it is valid.
269	*/	263	*/
270	}	264	}
…		…
289	if (ob1->level != ob2->level)	283	if (ob1->level != ob2->level)
290	return 0;	284	return 0;
291	break;	285	break;
292	}	286	}
293		287
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	288	if (ob1->key_values || ob2->key_values)
295	{	289	{
296	/* At least one of these has key_values. */	290	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	291	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	292	return 0; /* One has fields, but the other one doesn't. */
		293
		294	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	295	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	296	}
303		297
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	298	if (ob1->self || ob2->self)
306	{	299	{
307	ob1->optimise ();	300	ob1->optimise ();
308	ob2->optimise ();	301	ob2->optimise ();
309		302
310	if (ob1->self || ob2->self)	303	if (ob1->self || ob2->self)
		304	{
		305	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		306	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		307
		308	if (k1 != k2)
311	return 0;	309	return 0;
		310
		311	if (k1 == 0)
		312	return 1;
		313
		314	if (!cfperl_can_merge (ob1, ob2))
		315	return 0;
		316	}
312	}	317	}
313		318
314	/* Everything passes, must be OK. */	319	/* Everything passes, must be OK. */
315	return 1;	320	return 1;
316	}	321	}
317		322
		323	// find player who can see this object
		324	object *
		325	object::visible_to () const
		326	{
		327	if (client_visible () && !flag [FLAG_REMOVED])
		328	{
		329	// see if we are in a container of sorts
		330	if (env)
		331	{
		332	// the player inventory itself is always visible
		333	if (env->is_player ())
		334	return env;
		335
		336	// else a player could have our env open
		337	object *envest = env->outer_env_or_self ();
		338
		339	// the player itself is always on a map, so we will find him here
		340	// even if our inv is in a player.
		341	if (envest->is_on_map ())
		342	if (object *pl = envest->ms ().player ())
		343	if (pl->container_ () == env)
		344	return pl;
		345	}
		346	else
		347	{
		348	// maybe there is a player standing on the same mapspace
		349	// this will catch the case where "this" is a player
		350	if (object *pl = ms ().player ())
		351	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		352	|| pl->container_ () == this)
		353	return pl;
		354	}
		355	}
		356
		357	return 0;
		358	}
		359
		360	// adjust weight per container type ("of holding")
		361	static sint32
		362	weight_adjust_for (object *op, sint32 weight)
		363	{
		364	return op->type == CONTAINER
		365	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		366	: weight;
		367	}
		368
318	/*	369	/*
		370	* adjust_weight(object, weight) adds the specified weight to an object,
		371	* and also updates how much the environment(s) is/are carrying.
		372	*/
		373	static void
		374	adjust_weight (object *op, sint32 weight)
		375	{
		376	while (op)
		377	{
		378	// adjust by actual difference to account for rounding errors
		379	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		380	weight = weight_adjust_for (op, op->carrying)
		381	- weight_adjust_for (op, op->carrying - weight);
		382
		383	if (!weight)
		384	return;
		385
		386	op->carrying += weight;
		387
		388	if (object *pl = op->visible_to ())
		389	if (pl != op) // player is handled lazily
		390	esrv_update_item (UPD_WEIGHT, pl, op);
		391
		392	op = op->env;
		393	}
		394	}
		395
		396	/*
319	* sum_weight() is a recursive function which calculates the weight	397	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	398	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	399	* containers are carrying, and sums it up.
322	*/	400	*/
323	long	401	void
324	sum_weight (object *op)	402	object::update_weight ()
325	{	403	{
326	long sum;	404	sint32 sum = 0;
327	object *inv;
328		405
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	406	for (object *op = inv; op; op = op->below)
330	{	407	{
331	if (inv->inv)	408	if (op->inv)
332	sum_weight (inv);	409	op->update_weight ();
333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	410
		411	sum += op->total_weight ();
		412	}
		413
		414	sum = weight_adjust_for (this, sum);
		415
		416	if (sum != carrying)
334	}	417	{
335
336	if (op->type == CONTAINER && op->stats.Str)
337	sum = (sum * (100 - op->stats.Str)) / 100;
338
339	if (op->carrying != sum)
340	op->carrying = sum;	418	carrying = sum;
341		419
342	return sum;	420	if (object *pl = visible_to ())
		421	if (pl != this) // player is handled lazily
		422	esrv_update_item (UPD_WEIGHT, pl, this);
		423	}
343	}	424	}
344		425
345	/**	426	/*
346	* Return the outermost environment object for a given object.	427	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/	428	*/
348
349	object *
350	object_get_env_recursive (object *op)
351	{
352	while (op->env != NULL)
353	op = op->env;
354	return op;
355	}
356
357	/*
358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
359	* Some error messages.
360	* The result of the dump is stored in the static global errmsg array.
361	*/
362
363	char *	429	char *
364	dump_object (object *op)	430	dump_object (object *op)
365	{	431	{
366	if (!op)	432	if (!op)
367	return strdup ("[NULLOBJ]");	433	return strdup ("[NULLOBJ]");
368		434
369	object_freezer freezer;	435	object_freezer freezer;
370	save_object (freezer, op, 1);	436	op->write (freezer);
371	return freezer.as_string ();	437	return freezer.as_string ();
		438	}
		439
		440	char *
		441	object::as_string ()
		442	{
		443	return dump_object (this);
372	}	444	}
373		445
374	/*	446	/*
375	* get_nearest_part(multi-object, object 2) returns the part of the	447	* get_nearest_part(multi-object, object 2) returns the part of the
376	* multi-object 1 which is closest to the second object.	448	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.	449	* If it's not a multi-object, it is returned.
378	*/	450	*/
379		451	static object *
380	object *
381	get_nearest_part (object *op, const object *pl)	452	get_nearest_part (object *op, const object *pl)
382	{	453	{
383	object *tmp, *closest;	454	object *tmp, *closest;
384	int last_dist, i;	455	int last_dist, i;
385		456
386	if (op->more == NULL)	457	if (!op->more)
387	return op;	458	return op;
		459
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	460	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		461	tmp;
		462	tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)	463	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;	464	closest = tmp, last_dist = i;
		465
391	return closest;	466	return closest;
392	}	467	}
393		468
394	/*	469	/*
395	* Returns the object which has the count-variable equal to the argument.	470	* Returns the object which has the count-variable equal to the argument.
		471	* VERRRY slow.
396	*/	472	*/
397	object *	473	object *
398	find_object (tag_t i)	474	find_object (tag_t i)
399	{	475	{
400	for_all_objects (op)	476	for_all_objects (op)
…		…
411	*/	487	*/
412	object *	488	object *
413	find_object_name (const char *str)	489	find_object_name (const char *str)
414	{	490	{
415	shstr_cmp str_ (str);	491	shstr_cmp str_ (str);
416	object *op;
417		492
		493	if (str_)
418	for_all_objects (op)	494	for_all_objects (op)
419	if (op->name == str_)	495	if (op->name == str_)
420	break;	496	return op;
421		497
422	return op;	498	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	499	}
430		500
431	/*	501	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	502	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	503	* skill and experience objects.
		504	* ACTUALLY NO! investigate! TODO
434	*/	505	*/
435	void	506	void
436	object::set_owner (object *owner)	507	object::set_owner (object *owner)
437	{	508	{
		509	// allow objects which own objects
438	if (!owner)	510	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)	511	while (owner->owner)
449	owner = owner->owner;	512	owner = owner->owner;
		513
		514	if (flag [FLAG_FREED])
		515	{
		516	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		517	return;
		518	}
450		519
451	this->owner = owner;	520	this->owner = owner;
		521	}
		522
		523	int
		524	object::slottype () const
		525	{
		526	if (type == SKILL)
		527	{
		528	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		529	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		530	}
		531	else
		532	{
		533	if (slot [body_combat].info) return slot_combat;
		534	if (slot [body_range ].info) return slot_ranged;
		535	}
		536
		537	return slot_none;
		538	}
		539
		540	bool
		541	object::change_weapon (object *ob)
		542	{
		543	if (current_weapon == ob)
		544	return true;
		545
		546	if (chosen_skill)
		547	chosen_skill->flag [FLAG_APPLIED] = false;
		548
		549	current_weapon = ob;
		550	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		551
		552	if (chosen_skill)
		553	chosen_skill->flag [FLAG_APPLIED] = true;
		554
		555	update_stats ();
		556
		557	if (ob)
		558	{
		559	// now check wether any body locations became invalid, in which case
		560	// we cannot apply the weapon at the moment.
		561	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		562	if (slot[i].used < 0)
		563	{
		564	current_weapon = chosen_skill = 0;
		565	update_stats ();
		566
		567	new_draw_info_format (NDI_UNIQUE, 0, this,
		568	"You try to balance all your items at once, "
		569	"but the %s is just too much for your body. "
		570	"[You need to unapply some items first - use the 'body' command to see "
		571	"how many items you cna wera on a specific body part.]", &ob->name);
		572	return false;
		573	}
		574
		575	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		576	}
		577	else
		578	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		579
		580	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		581	{
		582	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		583	&name, ob->debug_desc ());
		584	return false;
		585	}
		586
		587	return true;
452	}	588	}
453		589
454	/* Zero the key_values on op, decrementing the shared-string	590	/* Zero the key_values on op, decrementing the shared-string
455	* refcounts and freeing the links.	591	* refcounts and freeing the links.
456	*/	592	*/
457	static void	593	static void
458	free_key_values (object *op)	594	free_key_values (object *op)
459	{	595	{
460	for (key_value *i = op->key_values; i != 0;)	596	for (key_value *i = op->key_values; i; )
461	{	597	{
462	key_value *next = i->next;	598	key_value *next = i->next;
463	delete i;	599	delete i;
464		600
465	i = next;	601	i = next;
…		…
477	* will point at garbage.	613	* will point at garbage.
478	*/	614	*/
479	void	615	void
480	object::copy_to (object *dst)	616	object::copy_to (object *dst)
481	{	617	{
482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	618	dst->remove ();
483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
484
485	*(object_copy *)dst = *this;	619	*(object_copy *)dst = *this;
486		620	dst->flag [FLAG_REMOVED] = true;
487	if (is_freed)
488	SET_FLAG (dst, FLAG_FREED);
489
490	if (is_removed)
491	SET_FLAG (dst, FLAG_REMOVED);
492
493	if (speed < 0)
494	dst->speed_left = speed_left - rndm ();
495		621
496	/* Copy over key_values, if any. */	622	/* Copy over key_values, if any. */
497	if (key_values)	623	if (key_values)
498	{	624	{
499	key_value *tail = 0;	625	key_value *tail = 0;
500	key_value *i;
501
502	dst->key_values = 0;	626	dst->key_values = 0;
503		627
504	for (i = key_values; i; i = i->next)	628	for (key_value *i = key_values; i; i = i->next)
505	{	629	{
506	key_value *new_link = new key_value;	630	key_value *new_link = new key_value;
507		631
508	new_link->next = 0;	632	new_link->next = 0;
509	new_link->key = i->key;	633	new_link->key = i->key;
510	new_link->value = i->value;	634	new_link->value = i->value;
511		635
512	/* Try and be clever here, too. */	636	/* Try and be clever here, too. */
513	if (!dst->key_values)	637	if (!dst->key_values)
514	{	638	{
…		…
521	tail = new_link;	645	tail = new_link;
522	}	646	}
523	}	647	}
524	}	648	}
525		649
526	dst->set_speed (dst->speed);	650	if (speed < 0)
		651	dst->speed_left -= rndm ();
		652
		653	dst->activate ();
		654	}
		655
		656	void
		657	object::instantiate ()
		658	{
		659	if (!uuid.seq) // HACK
		660	uuid = UUID::gen ();
		661
		662	speed_left = -0.1f;
		663	/* copy the body_info to the body_used - this is only really
		664	* need for monsters, but doesn't hurt to do it for everything.
		665	* by doing so, when a monster is created, it has good starting
		666	* values for the body_used info, so when items are created
		667	* for it, they can be properly equipped.
		668	*/
		669	for (int i = NUM_BODY_LOCATIONS; i--; )
		670	slot[i].used = slot[i].info;
		671
		672	attachable::instantiate ();
527	}	673	}
528		674
529	object *	675	object *
530	object::clone ()	676	object::clone ()
531	{	677	{
532	object *neu = create ();	678	object *neu = create ();
533	copy_to (neu);	679	copy_to (neu);
		680	neu->map = map; // not copied by copy_to
534	return neu;	681	return neu;
535	}	682	}
536		683
537	/*	684	/*
538	* If an object with the IS_TURNABLE() flag needs to be turned due	685	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
589	* UP_OBJ_FACE: only the objects face has changed.	736	* UP_OBJ_FACE: only the objects face has changed.
590	*/	737	*/
591	void	738	void
592	update_object (object *op, int action)	739	update_object (object *op, int action)
593	{	740	{
594	MoveType move_on, move_off, move_block, move_slow;	741	if (!op)
595
596	if (op == NULL)
597	{	742	{
598	/* this should never happen */	743	/* this should never happen */
599	LOG (llevDebug, "update_object() called for NULL object.\n");	744	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
600	return;	745	return;
601	}	746	}
602		747
603	if (op->env)	748	if (!op->is_on_map ())
604	{	749	{
605	/* Animation is currently handled by client, so nothing	750	/* Animation is currently handled by client, so nothing
606	* to do in this case.	751	* to do in this case.
607	*/	752	*/
608	return;	753	return;
609	}	754	}
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		755
617	/* make sure the object is within map boundaries */	756	/* 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)	757	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
619	{	758	{
620	LOG (llevError, "update_object() called for object out of map!\n");	759	LOG (llevError, "update_object() called for object out of map!\n");
…		…
631	else if (action == UP_OBJ_INSERT)	770	else if (action == UP_OBJ_INSERT)
632	{	771	{
633	// this is likely overkill, TODO: revisit (schmorp)	772	// this is likely overkill, TODO: revisit (schmorp)
634	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	773	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
635	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	774	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
636	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	775	|| (op->is_player () && !(m.flags_ & P_PLAYER))
637	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	776	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
638	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	777	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
639	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	778	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
640	|| (m.move_on | op->move_on ) != m.move_on	779	|| (m.move_on | op->move_on ) != m.move_on
641	|| (m.move_off | op->move_off ) != m.move_off	780	|| (m.move_off | op->move_off ) != m.move_off
642	|| (m.move_slow | op->move_slow) != m.move_slow	781	|| (m.move_slow | op->move_slow) != m.move_slow
643	/* This isn't perfect, but I don't expect a lot of objects to	782	/* This isn't perfect, but I don't expect a lot of objects to
644	* to have move_allow right now.	783	* have move_allow right now.
645	*/	784	*/
646	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	785	|| ((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)	786	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
648	m.flags_ = 0;	787	m.invalidate ();
649	}	788	}
650	/* if the object is being removed, we can't make intelligent	789	/* if the object is being removed, we can't make intelligent
651	* decisions, because remove_ob can't really pass the object	790	* decisions, because remove_ob can't really pass the object
652	* that is being removed.	791	* that is being removed.
653	*/	792	*/
654	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	793	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
655	m.flags_ = 0;	794	m.invalidate ();
656	else if (action == UP_OBJ_FACE)	795	else if (action == UP_OBJ_FACE)
657	/* Nothing to do for that case */ ;	796	/* Nothing to do for that case */ ;
658	else	797	else
659	LOG (llevError, "update_object called with invalid action: %d\n", action);	798	LOG (llevError, "update_object called with invalid action: %d\n", action);
660		799
…		…
664		803
665	object::object ()	804	object::object ()
666	{	805	{
667	SET_FLAG (this, FLAG_REMOVED);	806	SET_FLAG (this, FLAG_REMOVED);
668		807
669	expmul = 1.0;	808	//expmul = 1.0; declared const for the time being
670	face = blank_face;	809	face = blank_face;
671	}	810	}
672		811
673	object::~object ()	812	object::~object ()
674	{	813	{
…		…
680	static int object_count;	819	static int object_count;
681		820
682	void object::link ()	821	void object::link ()
683	{	822	{
684	assert (!index);//D	823	assert (!index);//D
685	uuid = gen_uuid ();	824	uuid = UUID::gen ();
686	count = ++object_count;	825	count = ++object_count;
687		826
688	refcnt_inc ();	827	refcnt_inc ();
689	objects.insert (this);	828	objects.insert (this);
690	}	829	}
…		…
704	/* If already on active list, don't do anything */	843	/* If already on active list, don't do anything */
705	if (active)	844	if (active)
706	return;	845	return;
707		846
708	if (has_active_speed ())	847	if (has_active_speed ())
		848	{
		849	if (flag [FLAG_FREED])
		850	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		851
709	actives.insert (this);	852	actives.insert (this);
		853	}
710	}	854	}
711		855
712	void	856	void
713	object::activate_recursive ()	857	object::activate_recursive ()
714	{	858	{
…		…
763	object::destroy_inv (bool drop_to_ground)	907	object::destroy_inv (bool drop_to_ground)
764	{	908	{
765	// need to check first, because the checks below might segfault	909	// need to check first, because the checks below might segfault
766	// as we might be on an invalid mapspace and crossfire code	910	// as we might be on an invalid mapspace and crossfire code
767	// is too buggy to ensure that the inventory is empty.	911	// is too buggy to ensure that the inventory is empty.
768	// corollary: if you create arrows etc. with stuff in tis inventory,	912	// corollary: if you create arrows etc. with stuff in its inventory,
769	// cf will crash below with off-map x and y	913	// cf will crash below with off-map x and y
770	if (!inv)	914	if (!inv)
771	return;	915	return;
772		916
773	/* Only if the space blocks everything do we not process -	917	/* Only if the space blocks everything do we not process -
774	* if some form of movement is allowed, let objects	918	* if some form of movement is allowed, let objects
775	* drop on that space.	919	* drop on that space.
776	*/	920	*/
777	if (!drop_to_ground	921	if (!drop_to_ground
778	|| !map	922	|| !map
779	|| map->in_memory != MAP_IN_MEMORY	923	|| map->in_memory != MAP_ACTIVE
780	|| map->nodrop	924	|| map->no_drop
781	|| ms ().move_block == MOVE_ALL)	925	|| ms ().move_block == MOVE_ALL)
782	{	926	{
783	while (inv)	927	while (inv)
784	{
785	inv->destroy_inv (drop_to_ground);
786	inv->destroy ();	928	inv->destroy ();
787	}
788	}	929	}
789	else	930	else
790	{ /* Put objects in inventory onto this space */	931	{ /* Put objects in inventory onto this space */
791	while (inv)	932	while (inv)
792	{	933	{
…		…
810	object *op = new object;	951	object *op = new object;
811	op->link ();	952	op->link ();
812	return op;	953	return op;
813	}	954	}
814		955
		956	static struct freed_map : maptile
		957	{
		958	freed_map ()
		959	{
		960	path = "<freed objects map>";
		961	name = "/internal/freed_objects_map";
		962	width = 3;
		963	height = 3;
		964	no_drop = 1;
		965	no_reset = 1;
		966
		967	alloc ();
		968	in_memory = MAP_ACTIVE;
		969	}
		970
		971	~freed_map ()
		972	{
		973	destroy ();
		974	}
		975	} freed_map; // freed objects are moved here to avoid crashes
		976
815	void	977	void
816	object::do_destroy ()	978	object::do_destroy ()
817	{	979	{
		980	if (flag [FLAG_IS_LINKED])
		981	remove_link ();
		982
		983	if (flag [FLAG_FRIENDLY])
		984	remove_friendly_object (this);
		985
		986	remove ();
		987
818	attachable::do_destroy ();	988	attachable::do_destroy ();
819
820	if (flag [FLAG_IS_LINKED])
821	remove_button_link (this);
822
823	if (flag [FLAG_FRIENDLY])
824	{
825	remove_friendly_object (this);
826
827	if (type == GOLEM
828	&& owner
829	&& owner->type == PLAYER
830	&& owner->contr->ranges[range_golem] == this)
831	owner->contr->ranges[range_golem] = 0;
832	}
833
834	if (!flag [FLAG_REMOVED])
835	remove ();
836
837	destroy_inv (true);
838		989
839	deactivate ();	990	deactivate ();
840	unlink ();	991	unlink ();
841		992
842	flag [FLAG_FREED] = 1;	993	flag [FLAG_FREED] = 1;
843		994
844	// hack to ensure that freed objects still have a valid map	995	// hack to ensure that freed objects still have a valid map
845	{
846	static maptile *freed_map; // freed objects are moved here to avoid crashes
847
848	if (!freed_map)
849	{
850	freed_map = new maptile;
851
852	freed_map->name = "/internal/freed_objects_map";
853	freed_map->width = 3;
854	freed_map->height = 3;
855
856	freed_map->alloc ();
857	freed_map->in_memory = MAP_IN_MEMORY;
858	}
859
860	map = freed_map;	996	map = &freed_map;
861	x = 1;	997	x = 1;
862	y = 1;	998	y = 1;
863	}
864
865	head = 0;
866		999
867	if (more)	1000	if (more)
868	{	1001	{
869	more->destroy ();	1002	more->destroy ();
870	more = 0;	1003	more = 0;
871	}	1004	}
872		1005
		1006	head = 0;
		1007
873	// clear those pointers that likely might have circular references to us	1008	// clear those pointers that likely might cause circular references
874	owner = 0;	1009	owner = 0;
875	enemy = 0;	1010	enemy = 0;
876	attacked_by = 0;	1011	attacked_by = 0;
		1012	current_weapon = 0;
877	}	1013	}
878		1014
879	void	1015	void
880	object::destroy (bool destroy_inventory)	1016	object::destroy ()
881	{	1017	{
882	if (destroyed ())	1018	if (destroyed ())
883	return;	1019	return;
884		1020
885	if (destroy_inventory)	1021	if (!is_head () && !head->destroyed ())
		1022	{
		1023	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1024	head->destroy ();
		1025	return;
		1026	}
		1027
886	destroy_inv (false);	1028	destroy_inv (false);
		1029
		1030	if (is_head ())
		1031	if (sound_destroy)
		1032	play_sound (sound_destroy);
		1033	else if (flag [FLAG_MONSTER])
		1034	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
887		1035
888	attachable::destroy ();	1036	attachable::destroy ();
889	}
890
891	/*
892	* sub_weight() recursively (outwards) subtracts a number from the
893	* weight of an object (and what is carried by it's environment(s)).
894	*/
895	void
896	sub_weight (object *op, signed long weight)
897	{
898	while (op != NULL)
899	{
900	if (op->type == CONTAINER)
901	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
902
903	op->carrying -= weight;
904	op = op->env;
905	}
906	}	1037	}
907		1038
908	/* op->remove ():	1039	/* op->remove ():
909	* This function removes the object op from the linked list of objects	1040	* This function removes the object op from the linked list of objects
910	* which it is currently tied to. When this function is done, the	1041	* which it is currently tied to. When this function is done, the
…		…
913	* the previous environment.	1044	* the previous environment.
914	*/	1045	*/
915	void	1046	void
916	object::do_remove ()	1047	object::do_remove ()
917	{	1048	{
918	object *tmp, *last = 0;	1049	if (flag [FLAG_REMOVED])
919	object *otmp;
920
921	if (QUERY_FLAG (this, FLAG_REMOVED))
922	return;	1050	return;
923		1051
924	SET_FLAG (this, FLAG_REMOVED);
925	INVOKE_OBJECT (REMOVE, this);	1052	INVOKE_OBJECT (REMOVE, this);
		1053
		1054	flag [FLAG_REMOVED] = true;
926		1055
927	if (more)	1056	if (more)
928	more->remove ();	1057	more->remove ();
929		1058
930	/*	1059	/*
931	* In this case, the object to be removed is in someones	1060	* In this case, the object to be removed is in someones
932	* inventory.	1061	* inventory.
933	*/	1062	*/
934	if (env)	1063	if (env)
935	{	1064	{
936	if (nrof)	1065	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
937	sub_weight (env, weight * nrof);	1066	if (object *pl = visible_to ())
938	else	1067	esrv_del_item (pl->contr, count);
939	sub_weight (env, weight + carrying);	1068	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1069
		1070	adjust_weight (env, -total_weight ());
		1071
		1072	object *pl = in_player ();
		1073
		1074	/* we set up values so that it could be inserted into
		1075	* the map, but we don't actually do that - it is up
		1076	* to the caller to decide what we want to do.
		1077	*/
		1078	map = env->map;
		1079	x = env->x;
		1080	y = env->y;
		1081
		1082	// make sure cmov optimisation is applicable
		1083	*(above ? &above->below : &env->inv) = below;
		1084	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1085
		1086	above = 0;
		1087	below = 0;
		1088	env = 0;
940		1089
941	/* NO_FIX_PLAYER is set when a great many changes are being	1090	/* NO_FIX_PLAYER is set when a great many changes are being
942	* made to players inventory. If set, avoiding the call	1091	* made to players inventory. If set, avoiding the call
943	* to save cpu time.	1092	* to save cpu time.
944	*/	1093	*/
945	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1094	if (pl)
		1095	if (pl->is_player () && (glow_radius || !QUERY_FLAG (pl, FLAG_NO_FIX_PLAYER)))
		1096	{
946	otmp->update_stats ();	1097	pl->update_stats ();
947		1098
948	if (above)	1099	if (glow_radius && pl->is_on_map ())
949	above->below = below;	1100	update_all_los (pl->map, pl->x, pl->y);
950	else	1101	}
951	env->inv = below;
952
953	if (below)
954	below->above = above;
955
956	/* we set up values so that it could be inserted into
957	* the map, but we don't actually do that - it is up
958	* to the caller to decide what we want to do.
959	*/
960	x = env->x, y = env->y;
961	map = env->map;
962	above = 0, below = 0;
963	env = 0;
964	}	1102	}
965	else if (map)	1103	else if (map)
966	{	1104	{
967	if (type == PLAYER)
968	{
969	// leaving a spot always closes any open container on the ground
970	if (container && !container->env)
971	// this causes spurious floorbox updates, but it ensures
972	// that the CLOSE event is being sent.
973	close_container ();
974
975	--map->players;
976	map->touch ();
977	}
978
979	map->dirty = true;	1105	map->dirty = true;
980	mapspace &ms = this->ms ();	1106	mapspace &ms = this->ms ();
981		1107
		1108	if (object *pl = ms.player ())
		1109	{
		1110	if (is_player ())
		1111	{
		1112	if (!flag [FLAG_WIZPASS])
		1113	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1114
		1115	// leaving a spot always closes any open container on the ground
		1116	if (container && !container->env)
		1117	// this causes spurious floorbox updates, but it ensures
		1118	// that the CLOSE event is being sent.
		1119	close_container ();
		1120
		1121	--map->players;
		1122	map->touch ();
		1123	}
		1124	else if (pl->container_ () == this)
		1125	{
		1126	// removing a container should close it
		1127	close_container ();
		1128	}
		1129
		1130	esrv_del_item (pl->contr, count);
		1131	}
		1132
982	/* link the object above us */	1133	/* link the object above us */
983	if (above)	1134	// re-link, make sure compiler can easily use cmove
984	above->below = below;	1135	*(above ? &above->below : &ms.top) = below;
985	else	1136	*(below ? &below->above : &ms.bot) = above;
986	ms.top = below; /* we were top, set new top */
987
988	/* Relink the object below us, if there is one */
989	if (below)
990	below->above = above;
991	else
992	{
993	/* Nothing below, which means we need to relink map object for this space
994	* use translated coordinates in case some oddness with map tiling is
995	* evident
996	*/
997	if (GET_MAP_OB (map, x, y) != this)
998	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
999
1000	ms.bot = above; /* goes on above it. */
1001	}
1002		1137
1003	above = 0;	1138	above = 0;
1004	below = 0;	1139	below = 0;
1005		1140
		1141	ms.invalidate ();
		1142
1006	if (map->in_memory == MAP_SAVING)	1143	if (map->in_memory == MAP_SAVING)
1007	return;	1144	return;
1008		1145
1009	int check_walk_off = !flag [FLAG_NO_APPLY];	1146	int check_walk_off = !flag [FLAG_NO_APPLY];
1010		1147
1011	for (tmp = ms.bot; tmp; tmp = tmp->above)	1148	if (object *pl = ms.player ())
1012	{	1149	{
1013	/* No point updating the players look faces if he is the object	1150	if (pl->container_ () == this)
1014	* being removed.
1015	*/
1016
1017	if (tmp->type == PLAYER && tmp != this)
1018	{
1019	/* If a container that the player is currently using somehow gets	1151	/* If a container that the player is currently using somehow gets
1020	* removed (most likely destroyed), update the player view	1152	* removed (most likely destroyed), update the player view
1021	* appropriately.	1153	* appropriately.
1022	*/	1154	*/
1023	if (tmp->container == this)	1155	pl->close_container ();
1024	{
1025	flag [FLAG_APPLIED] = 0;
1026	tmp->container = 0;
1027	}
1028		1156
		1157	//TODO: the floorbox prev/next might need updating
		1158	//esrv_del_item (pl->contr, count);
		1159	//TODO: update floorbox to preserve ordering
1029	if (tmp->contr->ns)	1160	if (pl->contr->ns)
1030	tmp->contr->ns->floorbox_update ();	1161	pl->contr->ns->floorbox_update ();
		1162	}
		1163
		1164	if (check_walk_off)
		1165	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1166	{
		1167	above = tmp->above;
		1168
		1169	/* No point updating the players look faces if he is the object
		1170	* being removed.
1031	}	1171	*/
1032		1172
1033	/* See if object moving off should effect something */	1173	/* See if object moving off should effect something */
1034	if (check_walk_off
1035	&& ((move_type & tmp->move_off)	1174	if ((move_type & tmp->move_off)
1036	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1175	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1037	{
1038	move_apply (tmp, this, 0);	1176	move_apply (tmp, this, 0);
1039
1040	if (destroyed ())
1041	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1042	}	1177	}
1043		1178
1044	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1179	if (affects_los ())
1045	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1046	if (tmp->above == tmp)
1047	tmp->above = 0;
1048
1049	last = tmp;
1050	}
1051
1052	/* last == NULL if there are no objects on this space */
1053	//TODO: this makes little sense, why only update the topmost object?
1054	if (!last)
1055	map->at (x, y).flags_ = 0;
1056	else
1057	update_object (last, UP_OBJ_REMOVE);
1058
1059	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1060	update_all_los (map, x, y);	1180	update_all_los (map, x, y);
1061	}	1181	}
1062	}	1182	}
1063		1183
1064	/*	1184	/*
…		…
1073	merge_ob (object *op, object *top)	1193	merge_ob (object *op, object *top)
1074	{	1194	{
1075	if (!op->nrof)	1195	if (!op->nrof)
1076	return 0;	1196	return 0;
1077		1197
1078	if (top)	1198	if (!top)
1079	for (top = op; top && top->above; top = top->above)	1199	for (top = op; top && top->above; top = top->above)
1080	;	1200	;
1081		1201
1082	for (; top; top = top->below)	1202	for (; top; top = top->below)
1083	{
1084	if (top == op)
1085	continue;
1086
1087	if (object::can_merge (op, top))	1203	if (object::can_merge (op, top))
1088	{	1204	{
1089	top->nrof += op->nrof;	1205	top->nrof += op->nrof;
1090		1206
1091	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1207	if (object *pl = top->visible_to ())
1092	op->weight = 0; /* Don't want any adjustements now */	1208	esrv_update_item (UPD_NROF, pl, top);
		1209
		1210	op->weight = 0; // cancel the addition above
		1211	op->carrying = 0; // must be 0 already
		1212
1093	op->destroy ();	1213	op->destroy ();
		1214
1094	return top;	1215	return top;
1095	}	1216	}
1096	}
1097		1217
1098	return 0;	1218	return 0;
		1219	}
		1220
		1221	void
		1222	object::expand_tail ()
		1223	{
		1224	if (more)
		1225	return;
		1226
		1227	object *prev = this;
		1228
		1229	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1230	{
		1231	object *op = arch_to_object (at);
		1232
		1233	op->name = name;
		1234	op->name_pl = name_pl;
		1235	op->title = title;
		1236
		1237	op->head = this;
		1238	prev->more = op;
		1239
		1240	prev = op;
		1241	}
1099	}	1242	}
1100		1243
1101	/*	1244	/*
1102	* same as insert_ob_in_map except it handles separate coordinates and does a clean	1245	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1103	* job preparing multi-part monsters.	1246	* job preparing multi-part monsters.
1104	*/	1247	*/
1105	object *	1248	object *
1106	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1249	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1107	{	1250	{
		1251	op->remove ();
		1252
1108	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1253	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1109	{	1254	{
1110	tmp->x = x + tmp->arch->clone.x;	1255	tmp->x = x + tmp->arch->x;
1111	tmp->y = y + tmp->arch->clone.y;	1256	tmp->y = y + tmp->arch->y;
1112	}	1257	}
1113		1258
1114	return insert_ob_in_map (op, m, originator, flag);	1259	return insert_ob_in_map (op, m, originator, flag);
1115	}	1260	}
1116		1261
…		…
1135	* just 'op' otherwise	1280	* just 'op' otherwise
1136	*/	1281	*/
1137	object *	1282	object *
1138	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1283	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1139	{	1284	{
1140	object *tmp, *top, *floor = NULL;
1141
1142	if (QUERY_FLAG (op, FLAG_FREED))
1143	{
1144	LOG (llevError, "Trying to insert freed object!\n");
1145	return NULL;
1146	}
1147
1148	if (!QUERY_FLAG (op, FLAG_REMOVED))
1149	LOG (llevError, "Trying to insert already inserted object %s\n", op->debug_desc ());
1150
1151	op->remove ();	1285	op->remove ();
1152		1286
1153	if (!m)	1287	if (m == &freed_map)//D TODO: remove soon
1154	{	1288	{//D
1155	char *dump = dump_object (op);	1289	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1156	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1157	free (dump);
1158	return op;
1159	}	1290	}//D
1160
1161	if (out_of_map (m, op->x, op->y))
1162	{
1163	char *dump = dump_object (op);
1164	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1165	#ifdef MANY_CORES
1166	/* Better to catch this here, as otherwise the next use of this object
1167	* is likely to cause a crash. Better to find out where it is getting
1168	* improperly inserted.
1169	*/
1170	abort ();
1171	#endif
1172	free (dump);
1173	return op;
1174	}
1175
1176	if (object *more = op->more)
1177	{
1178	if (!insert_ob_in_map (more, m, originator, flag))
1179	{
1180	if (!op->head)
1181	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1182
1183	return 0;
1184	}
1185	}
1186
1187	CLEAR_FLAG (op, FLAG_REMOVED);
1188		1291
1189	/* Ideally, the caller figures this out. However, it complicates a lot	1292	/* Ideally, the caller figures this out. However, it complicates a lot
1190	* of areas of callers (eg, anything that uses find_free_spot would now	1293	* of areas of callers (eg, anything that uses find_free_spot would now
1191	* need extra work	1294	* need extra work
1192	*/	1295	*/
		1296	maptile *newmap = m;
1193	if (!xy_normalise (m, op->x, op->y))	1297	if (!xy_normalise (newmap, op->x, op->y))
		1298	{
		1299	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1194	return 0;	1300	return 0;
		1301	}
1195		1302
		1303	if (object *more = op->more)
		1304	if (!insert_ob_in_map (more, m, originator, flag))
		1305	return 0;
		1306
		1307	op->flag [FLAG_REMOVED] = false;
		1308	op->env = 0;
1196	op->map = m;	1309	op->map = newmap;
		1310
1197	mapspace &ms = op->ms ();	1311	mapspace &ms = op->ms ();
1198		1312
1199	/* this has to be done after we translate the coordinates.	1313	/* this has to be done after we translate the coordinates.
1200	*/	1314	*/
1201	if (op->nrof && !(flag & INS_NO_MERGE))	1315	if (op->nrof && !(flag & INS_NO_MERGE))
1202	for (tmp = ms.bot; tmp; tmp = tmp->above)	1316	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1203	if (object::can_merge (op, tmp))	1317	if (object::can_merge (op, tmp))
1204	{	1318	{
		1319	// TODO: we actually want to update tmp, not op,
		1320	// but some caller surely breaks when we return tmp
		1321	// from here :/
1205	op->nrof += tmp->nrof;	1322	op->nrof += tmp->nrof;
1206	tmp->destroy ();	1323	tmp->destroy ();
1207	}	1324	}
1208		1325
1209	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1326	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1218	{	1335	{
1219	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1336	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1220	abort ();	1337	abort ();
1221	}	1338	}
1222		1339
		1340	if (!originator->is_on_map ())
		1341	{
		1342	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1343	op->debug_desc (), originator->debug_desc ());
		1344	abort ();
		1345	}
		1346
1223	op->above = originator;	1347	op->above = originator;
1224	op->below = originator->below;	1348	op->below = originator->below;
1225
1226	if (op->below)
1227	op->below->above = op;
1228	else
1229	ms.bot = op;
1230
1231	/* since *below* originator, no need to update top */
1232	originator->below = op;	1349	originator->below = op;
		1350
		1351	*(op->below ? &op->below->above : &ms.bot) = op;
1233	}	1352	}
1234	else	1353	else
1235	{	1354	{
1236	top = ms.bot;	1355	object *floor = 0;
		1356	object *top = ms.top;
1237		1357
1238	/* If there are other objects, then */	1358	/* If there are other objects, then */
1239	if ((!(flag & INS_MAP_LOAD)) && top)	1359	if (top)
1240	{	1360	{
1241	object *last = 0;
1242
1243	/*	1361	/*
1244	* If there are multiple objects on this space, we do some trickier handling.	1362	* If there are multiple objects on this space, we do some trickier handling.
1245	* We've already dealt with merging if appropriate.	1363	* We've already dealt with merging if appropriate.
1246	* Generally, we want to put the new object on top. But if	1364	* Generally, we want to put the new object on top. But if
1247	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1365	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1250	* once we get to them. This reduces the need to traverse over all of	1368	* once we get to them. This reduces the need to traverse over all of
1251	* them when adding another one - this saves quite a bit of cpu time	1369	* them when adding another one - this saves quite a bit of cpu time
1252	* when lots of spells are cast in one area. Currently, it is presumed	1370	* when lots of spells are cast in one area. Currently, it is presumed
1253	* that flying non pickable objects are spell objects.	1371	* that flying non pickable objects are spell objects.
1254	*/	1372	*/
1255	for (top = ms.bot; top; top = top->above)	1373	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1256	{	1374	{
1257	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1375	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1258	floor = top;	1376	floor = tmp;
1259		1377
1260	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1378	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1261	{	1379	{
1262	/* We insert above top, so we want this object below this */	1380	/* We insert above top, so we want this object below this */
1263	top = top->below;	1381	top = tmp->below;
1264	break;	1382	break;
1265	}	1383	}
1266		1384
1267	last = top;	1385	top = tmp;
1268	}	1386	}
1269
1270	/* Don't want top to be NULL, so set it to the last valid object */
1271	top = last;
1272		1387
1273	/* We let update_position deal with figuring out what the space	1388	/* We let update_position deal with figuring out what the space
1274	* looks like instead of lots of conditions here.	1389	* looks like instead of lots of conditions here.
1275	* makes things faster, and effectively the same result.	1390	* makes things faster, and effectively the same result.
1276	*/	1391	*/
1277		1392
1278	/* Have object 'fall below' other objects that block view.	1393	/* Have object 'fall below' other objects that block view.
1279	* Unless those objects are exits, type 66	1394	* Unless those objects are exits.
1280	* If INS_ON_TOP is used, don't do this processing	1395	* If INS_ON_TOP is used, don't do this processing
1281	* Need to find the object that in fact blocks view, otherwise	1396	* Need to find the object that in fact blocks view, otherwise
1282	* stacking is a bit odd.	1397	* stacking is a bit odd.
1283	*/	1398	*/
1284	if (!(flag & INS_ON_TOP)	1399	if (!(flag & INS_ON_TOP)
1285	&& ms.flags () & P_BLOCKSVIEW	1400	&& ms.flags () & P_BLOCKSVIEW
1286	&& (op->face && !op->face->visibility))	1401	&& (op->face && !faces [op->face].visibility))
1287	{	1402	{
		1403	object *last;
		1404
1288	for (last = top; last != floor; last = last->below)	1405	for (last = top; last != floor; last = last->below)
1289	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1406	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1290	break;	1407	break;
1291		1408
1292	/* Check to see if we found the object that blocks view,	1409	/* Check to see if we found the object that blocks view,
…		…
1297	if (last && last->below && last != floor)	1414	if (last && last->below && last != floor)
1298	top = last->below;	1415	top = last->below;
1299	}	1416	}
1300	} /* If objects on this space */	1417	} /* If objects on this space */
1301		1418
1302	if (flag & INS_MAP_LOAD)
1303	top = ms.top;
1304
1305	if (flag & INS_ABOVE_FLOOR_ONLY)	1419	if (flag & INS_ABOVE_FLOOR_ONLY)
1306	top = floor;	1420	top = floor;
1307		1421
1308	/* Top is the object that our object (op) is going to get inserted above.	1422	// insert object above top, or bottom-most if top = 0
1309	*/
1310
1311	/* First object on this space */
1312	if (!top)	1423	if (!top)
1313	{	1424	{
		1425	op->below = 0;
1314	op->above = ms.bot;	1426	op->above = ms.bot;
1315
1316	if (op->above)
1317	op->above->below = op;
1318
1319	op->below = 0;
1320	ms.bot = op;	1427	ms.bot = op;
		1428
		1429	*(op->above ? &op->above->below : &ms.top) = op;
1321	}	1430	}
1322	else	1431	else
1323	{ /* get inserted into the stack above top */	1432	{
1324	op->above = top->above;	1433	op->above = top->above;
1325
1326	if (op->above)
1327	op->above->below = op;	1434	top->above = op;
1328		1435
1329	op->below = top;	1436	op->below = top;
1330	top->above = op;	1437	*(op->above ? &op->above->below : &ms.top) = op;
1331	}	1438	}
		1439	}
1332		1440
1333	if (!op->above)	1441	if (op->is_player ())
1334	ms.top = op;
1335	} /* else not INS_BELOW_ORIGINATOR */
1336
1337	if (op->type == PLAYER)
1338	{	1442	{
1339	op->contr->do_los = 1;	1443	op->contr->do_los = 1;
1340	++op->map->players;	1444	++op->map->players;
1341	op->map->touch ();	1445	op->map->touch ();
1342	}	1446	}
1343		1447
1344	op->map->dirty = true;	1448	op->map->dirty = true;
1345		1449
1346	/* If we have a floor, we know the player, if any, will be above
1347	* it, so save a few ticks and start from there.
1348	*/
1349	if (!(flag & INS_MAP_LOAD))
1350	if (object *pl = ms.player ())	1450	if (object *pl = ms.player ())
		1451	//TODO: the floorbox prev/next might need updating
		1452	//esrv_send_item (pl, op);
		1453	//TODO: update floorbox to preserve ordering
1351	if (pl->contr->ns)	1454	if (pl->contr->ns)
1352	pl->contr->ns->floorbox_update ();	1455	pl->contr->ns->floorbox_update ();
1353		1456
1354	/* If this object glows, it may affect lighting conditions that are	1457	/* If this object glows, it may affect lighting conditions that are
1355	* visible to others on this map. But update_all_los is really	1458	* visible to others on this map. But update_all_los is really
1356	* an inefficient way to do this, as it means los for all players	1459	* an inefficient way to do this, as it means los for all players
1357	* on the map will get recalculated. The players could very well	1460	* on the map will get recalculated. The players could very well
1358	* be far away from this change and not affected in any way -	1461	* be far away from this change and not affected in any way -
1359	* this should get redone to only look for players within range,	1462	* this should get redone to only look for players within range,
1360	* or just updating the P_UPTODATE for spaces within this area	1463	* or just updating the P_UPTODATE for spaces within this area
1361	* of effect may be sufficient.	1464	* of effect may be sufficient.
1362	*/	1465	*/
1363	if (op->map->darkness && (op->glow_radius != 0))	1466	if (op->affects_los ())
		1467	{
		1468	op->ms ().invalidate ();
1364	update_all_los (op->map, op->x, op->y);	1469	update_all_los (op->map, op->x, op->y);
		1470	}
1365		1471
1366	/* updates flags (blocked, alive, no magic, etc) for this map space */	1472	/* updates flags (blocked, alive, no magic, etc) for this map space */
1367	update_object (op, UP_OBJ_INSERT);	1473	update_object (op, UP_OBJ_INSERT);
1368		1474
1369	INVOKE_OBJECT (INSERT, op);	1475	INVOKE_OBJECT (INSERT, op);
…		…
1376	* blocked() and wall() work properly), and these flags are updated by	1482	* blocked() and wall() work properly), and these flags are updated by
1377	* update_object().	1483	* update_object().
1378	*/	1484	*/
1379		1485
1380	/* if this is not the head or flag has been passed, don't check walk on status */	1486	/* if this is not the head or flag has been passed, don't check walk on status */
1381	if (!(flag & INS_NO_WALK_ON) && !op->head)	1487	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1382	{	1488	{
1383	if (check_move_on (op, originator))	1489	if (check_move_on (op, originator))
1384	return 0;	1490	return 0;
1385		1491
1386	/* If we are a multi part object, lets work our way through the check	1492	/* If we are a multi part object, lets work our way through the check
1387	* walk on's.	1493	* walk on's.
1388	*/	1494	*/
1389	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1495	for (object *tmp = op->more; tmp; tmp = tmp->more)
1390	if (check_move_on (tmp, originator))	1496	if (check_move_on (tmp, originator))
1391	return 0;	1497	return 0;
1392	}	1498	}
1393		1499
1394	return op;	1500	return op;
…		…
1397	/* this function inserts an object in the map, but if it	1503	/* this function inserts an object in the map, but if it
1398	* finds an object of its own type, it'll remove that one first.	1504	* finds an object of its own type, it'll remove that one first.
1399	* op is the object to insert it under: supplies x and the map.	1505	* op is the object to insert it under: supplies x and the map.
1400	*/	1506	*/
1401	void	1507	void
1402	replace_insert_ob_in_map (const char *arch_string, object *op)	1508	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1403	{	1509	{
1404	object *tmp, *tmp1;
1405
1406	/* first search for itself and remove any old instances */	1510	/* first search for itself and remove any old instances */
1407		1511
1408	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1512	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1409	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1513	if (tmp->arch->archname == archname) /* same archetype */
1410	tmp->destroy ();	1514	tmp->destroy ();
1411		1515
1412	tmp1 = arch_to_object (archetype::find (arch_string));	1516	object *tmp = arch_to_object (archetype::find (archname));
1413		1517
1414	tmp1->x = op->x;	1518	tmp->x = op->x;
1415	tmp1->y = op->y;	1519	tmp->y = op->y;
		1520
1416	insert_ob_in_map (tmp1, op->map, op, 0);	1521	insert_ob_in_map (tmp, op->map, op, 0);
1417	}	1522	}
1418		1523
1419	object *	1524	object *
1420	object::insert_at (object *where, object *originator, int flags)	1525	object::insert_at (object *where, object *originator, int flags)
1421	{	1526	{
		1527	if (where->env)
		1528	return where->env->insert (this);
		1529	else
1422	where->map->insert (this, where->x, where->y, originator, flags);	1530	return where->map->insert (this, where->x, where->y, originator, flags);
1423	}	1531	}
1424		1532
1425	/*	1533	/*
1426	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1427	* is returned contains nr objects, and the remaining parts contains
1428	* the rest (or is removed and freed if that number is 0).
1429	* On failure, NULL is returned, and the reason put into the
1430	* global static errmsg array.
1431	*/
1432	object *
1433	get_split_ob (object *orig_ob, uint32 nr)
1434	{
1435	object *newob;
1436	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1437
1438	if (orig_ob->nrof < nr)
1439	{
1440	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1441	return NULL;
1442	}
1443
1444	newob = object_create_clone (orig_ob);
1445
1446	if ((orig_ob->nrof -= nr) < 1)
1447	orig_ob->destroy (1);
1448	else if (!is_removed)
1449	{
1450	if (orig_ob->env != NULL)
1451	sub_weight (orig_ob->env, orig_ob->weight * nr);
1452	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1453	{
1454	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1455	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1456	return NULL;
1457	}
1458	}
1459
1460	newob->nrof = nr;
1461
1462	return newob;
1463	}
1464
1465	/*
1466	* decrease_ob_nr(object, number) decreases a specified number from	1534	* decrease(object, number) decreases a specified number from
1467	* the amount of an object. If the amount reaches 0, the object	1535	* the amount of an object. If the amount reaches 0, the object
1468	* is subsequently removed and freed.	1536	* is subsequently removed and freed.
1469	*	1537	*
1470	* Return value: 'op' if something is left, NULL if the amount reached 0	1538	* Return value: 'op' if something is left, NULL if the amount reached 0
1471	*/	1539	*/
		1540	bool
		1541	object::decrease (sint32 nr)
		1542	{
		1543	if (!nr)
		1544	return true;
1472		1545
		1546	nr = min (nr, nrof);
		1547
		1548	if (nrof > nr)
		1549	{
		1550	nrof -= nr;
		1551	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1552
		1553	if (object *pl = visible_to ())
		1554	esrv_update_item (UPD_NROF, pl, this);
		1555
		1556	return true;
		1557	}
		1558	else
		1559	{
		1560	destroy ();
		1561	return false;
		1562	}
		1563	}
		1564
		1565	/*
		1566	* split(ob,nr) splits up ob into two parts. The part which
		1567	* is returned contains nr objects, and the remaining parts contains
		1568	* the rest (or is removed and returned if that number is 0).
		1569	* On failure, NULL is returned.
		1570	*/
1473	object *	1571	object *
1474	decrease_ob_nr (object *op, uint32 i)	1572	object::split (sint32 nr)
1475	{	1573	{
1476	object *tmp;	1574	int have = number_of ();
1477		1575
1478	if (i == 0) /* objects with op->nrof require this check */	1576	if (have < nr)
1479	return op;	1577	return 0;
1480		1578	else if (have == nr)
1481	if (i > op->nrof)
1482	i = op->nrof;
1483
1484	if (QUERY_FLAG (op, FLAG_REMOVED))
1485	op->nrof -= i;
1486	else if (op->env)
1487	{	1579	{
1488	/* is this object in the players inventory, or sub container
1489	* therein?
1490	*/
1491	tmp = op->in_player ();
1492	/* nope. Is this a container the player has opened?
1493	* If so, set tmp to that player.
1494	* IMO, searching through all the players will mostly
1495	* likely be quicker than following op->env to the map,
1496	* and then searching the map for a player.
1497	*/
1498	if (!tmp)
1499	for_all_players (pl)
1500	if (pl->ob->container == op->env)
1501	{
1502	tmp = pl->ob;
1503	break;
1504	}
1505
1506	if (i < op->nrof)
1507	{
1508	sub_weight (op->env, op->weight * i);
1509	op->nrof -= i;
1510	if (tmp)
1511	esrv_send_item (tmp, op);
1512	}
1513	else
1514	{
1515	op->remove ();	1580	remove ();
1516	op->nrof = 0;	1581	return this;
1517	if (tmp)
1518	esrv_del_item (tmp->contr, op->count);
1519	}
1520	}	1582	}
1521	else	1583	else
1522	{	1584	{
1523	object *above = op->above;	1585	decrease (nr);
1524		1586
1525	if (i < op->nrof)	1587	object *op = deep_clone ();
1526	op->nrof -= i;	1588	op->nrof = nr;
1527	else
1528	{
1529	op->remove ();
1530	op->nrof = 0;
1531	}
1532
1533	/* Since we just removed op, op->above is null */
1534	for (tmp = above; tmp; tmp = tmp->above)
1535	if (tmp->type == PLAYER)
1536	{
1537	if (op->nrof)
1538	esrv_send_item (tmp, op);
1539	else
1540	esrv_del_item (tmp->contr, op->count);
1541	}
1542	}
1543
1544	if (op->nrof)
1545	return op;	1589	return op;
1546	else
1547	{
1548	op->destroy ();
1549	return 0;
1550	}
1551	}
1552
1553	/*
1554	* add_weight(object, weight) adds the specified weight to an object,
1555	* and also updates how much the environment(s) is/are carrying.
1556	*/
1557
1558	void
1559	add_weight (object *op, signed long weight)
1560	{
1561	while (op != NULL)
1562	{
1563	if (op->type == CONTAINER)
1564	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1565
1566	op->carrying += weight;
1567	op = op->env;
1568	}	1590	}
1569	}	1591	}
1570		1592
1571	object *	1593	object *
1572	insert_ob_in_ob (object *op, object *where)	1594	insert_ob_in_ob (object *op, object *where)
…		…
1577	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1599	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1578	free (dump);	1600	free (dump);
1579	return op;	1601	return op;
1580	}	1602	}
1581		1603
1582	if (where->head)	1604	if (where->head_ () != where)
1583	{	1605	{
1584	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1606	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1585	where = where->head;	1607	where = where->head;
1586	}	1608	}
1587		1609
1588	return where->insert (op);	1610	return where->insert (op);
1589	}	1611	}
…		…
1594	* inside the object environment.	1616	* inside the object environment.
1595	*	1617	*
1596	* The function returns now pointer to inserted item, and return value can	1618	* The function returns now pointer to inserted item, and return value can
1597	* be != op, if items are merged. -Tero	1619	* be != op, if items are merged. -Tero
1598	*/	1620	*/
1599
1600	object *	1621	object *
1601	object::insert (object *op)	1622	object::insert (object *op)
1602	{	1623	{
1603	object *tmp, *otmp;
1604
1605	if (!QUERY_FLAG (op, FLAG_REMOVED))
1606	op->remove ();
1607
1608	if (op->more)	1624	if (op->more)
1609	{	1625	{
1610	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1626	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1611	return op;	1627	return op;
1612	}	1628	}
1613		1629
1614	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1630	op->remove ();
1615	CLEAR_FLAG (op, FLAG_REMOVED);	1631
		1632	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1633
1616	if (op->nrof)	1634	if (op->nrof)
1617	{
1618	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1635	for (object *tmp = inv; tmp; tmp = tmp->below)
1619	if (object::can_merge (tmp, op))	1636	if (object::can_merge (tmp, op))
1620	{	1637	{
1621	/* return the original object and remove inserted object	1638	/* return the original object and remove inserted object
1622	(client needs the original object) */	1639	(client needs the original object) */
1623	tmp->nrof += op->nrof;	1640	tmp->nrof += op->nrof;
1624	/* Weight handling gets pretty funky. Since we are adding to	1641
1625	* tmp->nrof, we need to increase the weight.	1642	if (object *pl = tmp->visible_to ())
1626	*/	1643	esrv_update_item (UPD_NROF, pl, tmp);
		1644
1627	add_weight (this, op->weight * op->nrof);	1645	adjust_weight (this, op->total_weight ());
1628	SET_FLAG (op, FLAG_REMOVED);	1646
1629	op->destroy (); /* free the inserted object */	1647	op->destroy ();
1630	op = tmp;	1648	op = tmp;
1631	op->remove (); /* and fix old object's links */	1649	goto inserted;
1632	CLEAR_FLAG (op, FLAG_REMOVED);
1633	break;
1634	}	1650	}
1635		1651
1636	/* I assume combined objects have no inventory	1652	op->owner = 0; // it's his/hers now. period.
1637	* We add the weight - this object could have just been removed
1638	* (if it was possible to merge). calling remove_ob will subtract
1639	* the weight, so we need to add it in again, since we actually do
1640	* the linking below
1641	*/
1642	add_weight (this, op->weight * op->nrof);
1643	}
1644	else
1645	add_weight (this, (op->weight + op->carrying));
1646
1647	otmp = this->in_player ();
1648	if (otmp && otmp->contr)
1649	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1650	otmp->update_stats ();
1651
1652	op->map = 0;	1653	op->map = 0;
1653	op->env = this;	1654	op->x = 0;
		1655	op->y = 0;
		1656
1654	op->above = 0;	1657	op->above = 0;
1655	op->below = 0;	1658	op->below = inv;
1656	op->x = 0, op->y = 0;	1659	op->env = this;
1657		1660
		1661	if (inv)
		1662	inv->above = op;
		1663
		1664	inv = op;
		1665
		1666	op->flag [FLAG_REMOVED] = 0;
		1667
		1668	if (object *pl = op->visible_to ())
		1669	esrv_send_item (pl, op);
		1670
		1671	adjust_weight (this, op->total_weight ());
		1672
		1673	inserted:
1658	/* reset the light list and los of the players on the map */	1674	/* reset the light list and los of the players on the map */
1659	if ((op->glow_radius != 0) && map)	1675	if (op->glow_radius && is_on_map ())
1660	{	1676	{
1661	#ifdef DEBUG_LIGHTS	1677	update_stats ();
1662	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1663	#endif /* DEBUG_LIGHTS */
1664	if (map->darkness)
1665	update_all_los (map, x, y);	1678	update_all_los (map, x, y);
1666	}
1667
1668	/* Client has no idea of ordering so lets not bother ordering it here.
1669	* It sure simplifies this function...
1670	*/
1671	if (!inv)
1672	inv = op;
1673	else
1674	{	1679	}
1675	op->below = inv;	1680	else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1676	op->below->above = op;	1681	// if this is a player's inventory, update stats
1677	inv = op;	1682	update_stats ();
1678	}
1679		1683
1680	INVOKE_OBJECT (INSERT, this);	1684	INVOKE_OBJECT (INSERT, this);
1681		1685
1682	return op;	1686	return op;
1683	}	1687	}
…		…
1703	* on top.	1707	* on top.
1704	*/	1708	*/
1705	int	1709	int
1706	check_move_on (object *op, object *originator)	1710	check_move_on (object *op, object *originator)
1707	{	1711	{
		1712	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1713	return 0;
		1714
1708	object *tmp;	1715	object *tmp;
1709	maptile *m = op->map;	1716	maptile *m = op->map;
1710	int x = op->x, y = op->y;	1717	int x = op->x, y = op->y;
1711		1718
1712	MoveType move_on, move_slow, move_block;	1719	mapspace &ms = m->at (x, y);
1713		1720
1714	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1721	ms.update ();
1715	return 0;
1716		1722
1717	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1723	MoveType move_on = ms.move_on;
1718	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1724	MoveType move_slow = ms.move_slow;
1719	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1725	MoveType move_block = ms.move_block;
1720		1726
1721	/* if nothing on this space will slow op down or be applied,	1727	/* if nothing on this space will slow op down or be applied,
1722	* no need to do checking below. have to make sure move_type	1728	* no need to do checking below. have to make sure move_type
1723	* is set, as lots of objects don't have it set - we treat that	1729	* is set, as lots of objects don't have it set - we treat that
1724	* as walking.	1730	* as walking.
…		…
1735	return 0;	1741	return 0;
1736		1742
1737	/* The objects have to be checked from top to bottom.	1743	/* The objects have to be checked from top to bottom.
1738	* Hence, we first go to the top:	1744	* Hence, we first go to the top:
1739	*/	1745	*/
1740		1746	for (object *next, *tmp = ms.top; tmp; tmp = next)
1741	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1742	{
1743	/* Trim the search when we find the first other spell effect
1744	* this helps performance so that if a space has 50 spell objects,
1745	* we don't need to check all of them.
1746	*/
1747	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1748	break;
1749	}	1747	{
		1748	next = tmp->below;
1750		1749
1751	for (; tmp; tmp = tmp->below)
1752	{
1753	if (tmp == op)	1750	if (tmp == op)
1754	continue; /* Can't apply yourself */	1751	continue; /* Can't apply yourself */
1755		1752
1756	/* Check to see if one of the movement types should be slowed down.	1753	/* Check to see if one of the movement types should be slowed down.
1757	* Second check makes sure that the movement types not being slowed	1754	* Second check makes sure that the movement types not being slowed
…		…
1762	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1759	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1763	{	1760	{
1764	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1761	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1765	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1762	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1766	{	1763	{
1767
1768	float
1769	diff = tmp->move_slow_penalty * fabs (op->speed);	1764	float diff = tmp->move_slow_penalty * fabs (op->speed);
1770		1765
1771	if (op->type == PLAYER)	1766	if (op->is_player ())
1772	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1767	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1773	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1768	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1774	diff /= 4.0;	1769	diff /= 4.0;
1775		1770
1776	op->speed_left -= diff;	1771	op->speed_left -= diff;
1777	}	1772	}
1778	}	1773	}
…		…
1811	LOG (llevError, "Present_arch called outside map.\n");	1806	LOG (llevError, "Present_arch called outside map.\n");
1812	return NULL;	1807	return NULL;
1813	}	1808	}
1814		1809
1815	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1810	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1816	if (tmp->arch == at)	1811	if (tmp->arch->archname == at->archname)
1817	return tmp;	1812	return tmp;
1818		1813
1819	return NULL;	1814	return NULL;
1820	}	1815	}
1821		1816
…		…
1885	* The first matching object is returned, or NULL if none.	1880	* The first matching object is returned, or NULL if none.
1886	*/	1881	*/
1887	object *	1882	object *
1888	present_arch_in_ob (const archetype *at, const object *op)	1883	present_arch_in_ob (const archetype *at, const object *op)
1889	{	1884	{
1890	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1885	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1891	if (tmp->arch == at)	1886	if (tmp->arch->archname == at->archname)
1892	return tmp;	1887	return tmp;
1893		1888
1894	return NULL;	1889	return NULL;
1895	}	1890	}
1896		1891
…		…
1898	* activate recursively a flag on an object inventory	1893	* activate recursively a flag on an object inventory
1899	*/	1894	*/
1900	void	1895	void
1901	flag_inv (object *op, int flag)	1896	flag_inv (object *op, int flag)
1902	{	1897	{
1903	if (op->inv)
1904	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1898	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1905	{	1899	{
1906	SET_FLAG (tmp, flag);	1900	SET_FLAG (tmp, flag);
1907	flag_inv (tmp, flag);	1901	flag_inv (tmp, flag);
1908	}	1902	}
1909	}	1903	}
1910		1904
1911	/*	1905	/*
1912	* deactivate recursively a flag on an object inventory	1906	* deactivate recursively a flag on an object inventory
1913	*/	1907	*/
1914	void	1908	void
1915	unflag_inv (object *op, int flag)	1909	unflag_inv (object *op, int flag)
1916	{	1910	{
1917	if (op->inv)
1918	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1911	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1919	{	1912	{
1920	CLEAR_FLAG (tmp, flag);	1913	CLEAR_FLAG (tmp, flag);
1921	unflag_inv (tmp, flag);	1914	unflag_inv (tmp, flag);
1922	}	1915	}
1923	}
1924
1925	/*
1926	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1927	* all it's inventory (recursively).
1928	* If checksums are used, a player will get set_cheat called for
1929	* him/her-self and all object carried by a call to this function.
1930	*/
1931	void
1932	set_cheat (object *op)
1933	{
1934	SET_FLAG (op, FLAG_WAS_WIZ);
1935	flag_inv (op, FLAG_WAS_WIZ);
1936	}	1916	}
1937		1917
1938	/*	1918	/*
1939	* find_free_spot(object, map, x, y, start, stop) will search for	1919	* find_free_spot(object, map, x, y, start, stop) will search for
1940	* a spot at the given map and coordinates which will be able to contain	1920	* a spot at the given map and coordinates which will be able to contain
…		…
1942	* to search (see the freearr_x/y[] definition).	1922	* to search (see the freearr_x/y[] definition).
1943	* It returns a random choice among the alternatives found.	1923	* It returns a random choice among the alternatives found.
1944	* start and stop are where to start relative to the free_arr array (1,9	1924	* start and stop are where to start relative to the free_arr array (1,9
1945	* does all 4 immediate directions). This returns the index into the	1925	* does all 4 immediate directions). This returns the index into the
1946	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1926	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1947	* Note - this only checks to see if there is space for the head of the
1948	* object - if it is a multispace object, this should be called for all
1949	* pieces.
1950	* Note2: This function does correctly handle tiled maps, but does not	1927	* Note: This function does correctly handle tiled maps, but does not
1951	* inform the caller. However, insert_ob_in_map will update as	1928	* inform the caller. However, insert_ob_in_map will update as
1952	* necessary, so the caller shouldn't need to do any special work.	1929	* necessary, so the caller shouldn't need to do any special work.
1953	* Note - updated to take an object instead of archetype - this is necessary	1930	* Note - updated to take an object instead of archetype - this is necessary
1954	* because arch_blocked (now ob_blocked) needs to know the movement type	1931	* because arch_blocked (now ob_blocked) needs to know the movement type
1955	* to know if the space in question will block the object. We can't use	1932	* to know if the space in question will block the object. We can't use
…		…
1957	* customized, changed states, etc.	1934	* customized, changed states, etc.
1958	*/	1935	*/
1959	int	1936	int
1960	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1937	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1961	{	1938	{
		1939	int altern[SIZEOFFREE];
1962	int index = 0, flag;	1940	int index = 0, flag;
1963	int altern[SIZEOFFREE];
1964		1941
1965	for (int i = start; i < stop; i++)	1942	for (int i = start; i < stop; i++)
1966	{	1943	{
1967	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1944	mapxy pos (m, x, y); pos.move (i);
1968	if (!flag)	1945
		1946	if (!pos.normalise ())
		1947	continue;
		1948
		1949	mapspace &ms = *pos;
		1950
		1951	if (ms.flags () & P_IS_ALIVE)
		1952	continue;
		1953
		1954	/* However, often
		1955	* ob doesn't have any move type (when used to place exits)
		1956	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1957	*/
		1958	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1959	{
1969	altern [index++] = i;	1960	altern [index++] = i;
		1961	continue;
		1962	}
1970		1963
1971	/* Basically, if we find a wall on a space, we cut down the search size.	1964	/* Basically, if we find a wall on a space, we cut down the search size.
1972	* In this way, we won't return spaces that are on another side of a wall.	1965	* In this way, we won't return spaces that are on another side of a wall.
1973	* This mostly work, but it cuts down the search size in all directions -	1966	* This mostly work, but it cuts down the search size in all directions -
1974	* if the space being examined only has a wall to the north and empty	1967	* if the space being examined only has a wall to the north and empty
1975	* spaces in all the other directions, this will reduce the search space	1968	* spaces in all the other directions, this will reduce the search space
1976	* to only the spaces immediately surrounding the target area, and	1969	* to only the spaces immediately surrounding the target area, and
1977	* won't look 2 spaces south of the target space.	1970	* won't look 2 spaces south of the target space.
1978	*/	1971	*/
1979	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1972	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1973	{
1980	stop = maxfree[i];	1974	stop = maxfree[i];
		1975	continue;
		1976	}
		1977
		1978	/* Note it is intentional that we check ob - the movement type of the
		1979	* head of the object should correspond for the entire object.
		1980	*/
		1981	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1982	continue;
		1983
		1984	if (ob->blocked (pos.m, pos.x, pos.y))
		1985	continue;
		1986
		1987	altern [index++] = i;
1981	}	1988	}
1982		1989
1983	if (!index)	1990	if (!index)
1984	return -1;	1991	return -1;
1985		1992
…		…
1994	*/	2001	*/
1995	int	2002	int
1996	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2003	find_first_free_spot (const object *ob, maptile *m, int x, int y)
1997	{	2004	{
1998	for (int i = 0; i < SIZEOFFREE; i++)	2005	for (int i = 0; i < SIZEOFFREE; i++)
1999	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2006	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2000	return i;	2007	return i;
2001		2008
2002	return -1;	2009	return -1;
2003	}	2010	}
2004		2011
…		…
2050	* there is capable of.	2057	* there is capable of.
2051	*/	2058	*/
2052	int	2059	int
2053	find_dir (maptile *m, int x, int y, object *exclude)	2060	find_dir (maptile *m, int x, int y, object *exclude)
2054	{	2061	{
2055	int i, max = SIZEOFFREE, mflags;	2062	int max = SIZEOFFREE, mflags;
2056
2057	sint16 nx, ny;
2058	object *tmp;
2059	maptile *mp;
2060
2061	MoveType blocked, move_type;	2063	MoveType move_type;
2062		2064
2063	if (exclude && exclude->head)	2065	if (exclude && exclude->head_ () != exclude)
2064	{	2066	{
2065	exclude = exclude->head;	2067	exclude = exclude->head;
2066	move_type = exclude->move_type;	2068	move_type = exclude->move_type;
2067	}	2069	}
2068	else	2070	else
2069	{	2071	{
2070	/* If we don't have anything, presume it can use all movement types. */	2072	/* If we don't have anything, presume it can use all movement types. */
2071	move_type = MOVE_ALL;	2073	move_type = MOVE_ALL;
2072	}	2074	}
2073		2075
2074	for (i = 1; i < max; i++)	2076	for (int i = 1; i < max; i++)
2075	{	2077	{
2076	mp = m;	2078	mapxy pos (m, x, y);
2077	nx = x + freearr_x[i];	2079	pos.move (i);
2078	ny = y + freearr_y[i];
2079		2080
2080	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2081	if (!pos.normalise ())
2081
2082	if (mflags & P_OUT_OF_MAP)
2083	max = maxfree[i];	2082	max = maxfree[i];
2084	else	2083	else
2085	{	2084	{
2086	mapspace &ms = mp->at (nx, ny);	2085	mapspace &ms = *pos;
2087		2086
2088	blocked = ms.move_block;
2089
2090	if ((move_type & blocked) == move_type)	2087	if ((move_type & ms.move_block) == move_type)
2091	max = maxfree[i];	2088	max = maxfree [i];
2092	else if (mflags & P_IS_ALIVE)	2089	else if (ms.flags () & P_IS_ALIVE)
2093	{	2090	{
2094	for (tmp = ms.bot; tmp; tmp = tmp->above)	2091	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2095	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2092	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2096	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2093	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2097	break;
2098
2099	if (tmp)
2100	return freedir[i];	2094	return freedir [i];
2101	}	2095	}
2102	}	2096	}
2103	}	2097	}
2104		2098
2105	return 0;	2099	return 0;
…		…
2180	* This basically means that if direction is 15, then it could either go	2174	* This basically means that if direction is 15, then it could either go
2181	* direction 4, 14, or 16 to get back to where we are.	2175	* direction 4, 14, or 16 to get back to where we are.
2182	* Moved from spell_util.c to object.c with the other related direction	2176	* Moved from spell_util.c to object.c with the other related direction
2183	* functions.	2177	* functions.
2184	*/	2178	*/
2185	int reduction_dir[SIZEOFFREE][3] = {	2179	static const int reduction_dir[SIZEOFFREE][3] = {
2186	{0, 0, 0}, /* 0 */	2180	{0, 0, 0}, /* 0 */
2187	{0, 0, 0}, /* 1 */	2181	{0, 0, 0}, /* 1 */
2188	{0, 0, 0}, /* 2 */	2182	{0, 0, 0}, /* 2 */
2189	{0, 0, 0}, /* 3 */	2183	{0, 0, 0}, /* 3 */
2190	{0, 0, 0}, /* 4 */	2184	{0, 0, 0}, /* 4 */
…		…
2281	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2275	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2282	* core dumps if they do.	2276	* core dumps if they do.
2283	*	2277	*
2284	* Add a check so we can't pick up invisible objects (0.93.8)	2278	* Add a check so we can't pick up invisible objects (0.93.8)
2285	*/	2279	*/
2286
2287	int	2280	int
2288	can_pick (const object *who, const object *item)	2281	can_pick (const object *who, const object *item)
2289	{	2282	{
2290	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2283	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2291	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2284	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2292	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2285	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2293	}	2286	}
2294		2287
2295	/*	2288	/*
2296	* create clone from object to another	2289	* create clone from object to another
2297	*/	2290	*/
2298	object *	2291	object *
2299	object_create_clone (object *asrc)	2292	object::deep_clone ()
2300	{	2293	{
2301	object *dst = 0, *tmp, *src, *part, *prev, *item;	2294	assert (("deep_clone called on non-head object", is_head ()));
2302		2295
2303	if (!asrc)	2296	object *dst = clone ();
2304	return 0;
2305		2297
2306	src = asrc;	2298	object *prev = dst;
2307	if (src->head)
2308	src = src->head;
2309
2310	prev = 0;
2311	for (part = src; part; part = part->more)	2299	for (object *part = this->more; part; part = part->more)
2312	{	2300	{
2313	tmp = part->clone ();	2301	object *tmp = part->clone ();
2314	tmp->x -= src->x;
2315	tmp->y -= src->y;
2316
2317	if (!part->head)
2318	{
2319	dst = tmp;
2320	tmp->head = 0;
2321	}
2322	else
2323	tmp->head = dst;	2302	tmp->head = dst;
2324
2325	tmp->more = 0;
2326
2327	if (prev)
2328	prev->more = tmp;	2303	prev->more = tmp;
2329
2330	prev = tmp;	2304	prev = tmp;
2331	}	2305	}
2332		2306
2333	for (item = src->inv; item; item = item->below)	2307	for (object *item = inv; item; item = item->below)
2334	insert_ob_in_ob (object_create_clone (item), dst);	2308	insert_ob_in_ob (item->deep_clone (), dst);
2335		2309
2336	return dst;	2310	return dst;
2337	}
2338
2339	/* GROS - Creates an object using a string representing its content. */
2340	/* Basically, we save the content of the string to a temp file, then call */
2341	/* load_object on it. I admit it is a highly inefficient way to make things, */
2342	/* but it was simple to make and allows reusing the load_object function. */
2343	/* Remember not to use load_object_str in a time-critical situation. */
2344	/* Also remember that multiparts objects are not supported for now. */
2345	object *
2346	load_object_str (const char *obstr)
2347	{
2348	object *op;
2349	char filename[MAX_BUF];
2350
2351	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2352
2353	FILE *tempfile = fopen (filename, "w");
2354
2355	if (tempfile == NULL)
2356	{
2357	LOG (llevError, "Error - Unable to access load object temp file\n");
2358	return NULL;
2359	}
2360
2361	fprintf (tempfile, obstr);
2362	fclose (tempfile);
2363
2364	op = object::create ();
2365
2366	object_thawer thawer (filename);
2367
2368	if (thawer)
2369	load_object (thawer, op, 0);
2370
2371	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2372	CLEAR_FLAG (op, FLAG_REMOVED);
2373
2374	return op;
2375	}	2311	}
2376		2312
2377	/* This returns the first object in who's inventory that	2313	/* This returns the first object in who's inventory that
2378	* has the same type and subtype match.	2314	* has the same type and subtype match.
2379	* returns NULL if no match.	2315	* returns NULL if no match.
…		…
2386	return tmp;	2322	return tmp;
2387		2323
2388	return 0;	2324	return 0;
2389	}	2325	}
2390		2326
2391	/* If ob has a field named key, return the link from the list,	2327	shstr_tmp
2392	* otherwise return NULL.	2328	object::kv_get (shstr_tmp key) const
2393	*
2394	* key must be a passed in shared string - otherwise, this won't
2395	* do the desired thing.
2396	*/
2397	key_value *
2398	get_ob_key_link (const object *ob, const char *key)
2399	{	2329	{
2400	for (key_value *link = ob->key_values; link; link = link->next)	2330	for (key_value *kv = key_values; kv; kv = kv->next)
2401	if (link->key == key)	2331	if (kv->key == key)
2402	return link;
2403
2404	return 0;
2405	}
2406
2407	/*
2408	* Returns the value of op has an extra_field for key, or NULL.
2409	*
2410	* The argument doesn't need to be a shared string.
2411	*
2412	* The returned string is shared.
2413	*/
2414	const char *
2415	get_ob_key_value (const object *op, const char *const key)
2416	{
2417	key_value *link;
2418	shstr_cmp canonical_key (key);
2419
2420	if (!canonical_key)
2421	{
2422	/* 1. There being a field named key on any object
2423	* implies there'd be a shared string to find.
2424	* 2. Since there isn't, no object has this field.
2425	* 3. Therefore, *this* object doesn't have this field.
2426	*/
2427	return 0;
2428	}
2429
2430	/* This is copied from get_ob_key_link() above -
2431	* only 4 lines, and saves the function call overhead.
2432	*/
2433	for (link = op->key_values; link; link = link->next)
2434	if (link->key == canonical_key)
2435	return link->value;	2332	return kv->value;
2436		2333
2437	return 0;	2334	return shstr ();
2438	}	2335	}
2439		2336
2440		2337	void
2441	/*	2338	object::kv_set (shstr_tmp key, shstr_tmp value)
2442	* Updates the canonical_key in op to value.
2443	*
2444	* canonical_key is a shared string (value doesn't have to be).
2445	*
2446	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2447	* keys.
2448	*
2449	* Returns TRUE on success.
2450	*/
2451	int
2452	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2453	{	2339	{
2454	key_value *field = NULL, *last = NULL;	2340	for (key_value *kv = key_values; kv; kv = kv->next)
2455		2341	if (kv->key == key)
2456	for (field = op->key_values; field != NULL; field = field->next)
2457	{
2458	if (field->key != canonical_key)
2459	{	2342	{
2460	last = field;	2343	kv->value = value;
2461	continue;	2344	return;
2462	}	2345	}
2463		2346
2464	if (value)	2347	key_value *kv = new key_value;
2465	field->value = value;	2348
2466	else	2349	kv->next = key_values;
		2350	kv->key = key;
		2351	kv->value = value;
		2352
		2353	key_values = kv;
		2354	}
		2355
		2356	void
		2357	object::kv_del (shstr_tmp key)
		2358	{
		2359	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2360	if ((*kvp)->key == key)
2467	{	2361	{
2468	/* Basically, if the archetype has this key set,	2362	key_value *kv = *kvp;
2469	* we need to store the null value so when we save	2363	*kvp = (*kvp)->next;
2470	* it, we save the empty value so that when we load,	2364	delete kv;
2471	* we get this value back again.	2365	return;
2472	*/
2473	if (get_ob_key_link (&op->arch->clone, canonical_key))
2474	field->value = 0;
2475	else
2476	{
2477	if (last)
2478	last->next = field->next;
2479	else
2480	op->key_values = field->next;
2481
2482	delete field;
2483	}
2484	}	2366	}
2485	return TRUE;
2486	}
2487	/* IF we get here, key doesn't exist */
2488
2489	/* No field, we'll have to add it. */
2490
2491	if (!add_key)
2492	return FALSE;
2493
2494	/* There isn't any good reason to store a null
2495	* value in the key/value list. If the archetype has
2496	* this key, then we should also have it, so shouldn't
2497	* be here. If user wants to store empty strings,
2498	* should pass in ""
2499	*/
2500	if (value == NULL)
2501	return TRUE;
2502
2503	field = new key_value;
2504
2505	field->key = canonical_key;
2506	field->value = value;
2507	/* Usual prepend-addition. */
2508	field->next = op->key_values;
2509	op->key_values = field;
2510
2511	return TRUE;
2512	}
2513
2514	/*
2515	* Updates the key in op to value.
2516	*
2517	* If add_key is FALSE, this will only update existing keys,
2518	* and not add new ones.
2519	* In general, should be little reason FALSE is ever passed in for add_key
2520	*
2521	* Returns TRUE on success.
2522	*/
2523	int
2524	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2525	{
2526	shstr key_ (key);
2527
2528	return set_ob_key_value_s (op, key_, value, add_key);
2529	}	2367	}
2530		2368
2531	object::depth_iterator::depth_iterator (object *container)	2369	object::depth_iterator::depth_iterator (object *container)
2532	: iterator_base (container)	2370	: iterator_base (container)
2533	{	2371	{
…		…
2546	item = item->inv;	2384	item = item->inv;
2547	}	2385	}
2548	else	2386	else
2549	item = item->env;	2387	item = item->env;
2550	}	2388	}
2551
2552		2389
2553	const char *	2390	const char *
2554	object::flag_desc (char *desc, int len) const	2391	object::flag_desc (char *desc, int len) const
2555	{	2392	{
2556	char *p = desc;	2393	char *p = desc;
…		…
2584	{	2421	{
2585	char flagdesc[512];	2422	char flagdesc[512];
2586	char info2[256 * 4];	2423	char info2[256 * 4];
2587	char *p = info;	2424	char *p = info;
2588		2425
2589	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2426	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2590	count, uuid.seq,	2427	count,
		2428	uuid.c_str (),
2591	&name,	2429	&name,
2592	title ? "\",title:\"" : "",	2430	title ? ",title:\"" : "",
2593	title ? (const char *)title : "",	2431	title ? (const char *)title : "",
		2432	title ? "\"" : "",
2594	flag_desc (flagdesc, 512), type);	2433	flag_desc (flagdesc, 512), type);
2595		2434
2596	if (env)	2435	if (!flag[FLAG_REMOVED] && env)
2597	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2436	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2598		2437
2599	if (map)	2438	if (map)
2600	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2439	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2601		2440
…		…
2603	}	2442	}
2604		2443
2605	const char *	2444	const char *
2606	object::debug_desc () const	2445	object::debug_desc () const
2607	{	2446	{
2608	static char info[256 * 4];	2447	static char info[3][256 * 4];
		2448	static int info_idx;
		2449
2609	return debug_desc (info);	2450	return debug_desc (info [++info_idx % 3]);
2610	}
2611
2612	const char *
2613	object::debug_desc2 () const
2614	{
2615	static char info[256 * 4];
2616	return debug_desc (info);
2617	}	2451	}
2618		2452
2619	struct region *	2453	struct region *
2620	object::region () const	2454	object::region () const
2621	{	2455	{
…		…
2624	}	2458	}
2625		2459
2626	const materialtype_t *	2460	const materialtype_t *
2627	object::dominant_material () const	2461	object::dominant_material () const
2628	{	2462	{
2629	if (materialtype_t *mat = name_to_material (materialname))	2463	if (materialtype_t *mt = name_to_material (materialname))
2630	return mat;	2464	return mt;
2631		2465
2632	// omfg this is slow, this has to be temporary :)
2633	shstr unknown ("unknown");
2634
2635	return name_to_material (unknown);	2466	return name_to_material (shstr_unknown);
2636	}	2467	}
2637		2468
2638	void	2469	void
2639	object::open_container (object *new_container)	2470	object::open_container (object *new_container)
2640	{	2471	{
2641	if (container == new_container)	2472	if (container == new_container)
2642	return;	2473	return;
2643		2474
2644	if (object *old_container = container)	2475	object *old_container = container;
		2476
		2477	if (old_container)
2645	{	2478	{
2646	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2479	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2647	return;	2480	return;
2648		2481
2649	#if 0	2482	#if 0
…		…
2651	if (object *closer = old_container->inv)	2484	if (object *closer = old_container->inv)
2652	if (closer->type == CLOSE_CON)	2485	if (closer->type == CLOSE_CON)
2653	closer->destroy ();	2486	closer->destroy ();
2654	#endif	2487	#endif
2655		2488
		2489	// make sure the container is available
		2490	esrv_send_item (this, old_container);
		2491
2656	old_container->flag [FLAG_APPLIED] = 0;	2492	old_container->flag [FLAG_APPLIED] = false;
2657	container = 0;	2493	container = 0;
2658		2494
		2495	// client needs item update to make it work, client bug requires this to be separate
2659	esrv_update_item (UPD_FLAGS, this, old_container);	2496	esrv_update_item (UPD_FLAGS, this, old_container);
		2497
2660	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2498	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2499	play_sound (sound_find ("chest_close"));
2661	}	2500	}
2662		2501
2663	if (new_container)	2502	if (new_container)
2664	{	2503	{
2665	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2504	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2674	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2513	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2675	new_container->insert (closer);	2514	new_container->insert (closer);
2676	}	2515	}
2677	#endif	2516	#endif
2678		2517
		2518	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2519
		2520	// make sure the container is available, client bug requires this to be separate
		2521	esrv_send_item (this, new_container);
		2522
2679	new_container->flag [FLAG_APPLIED] = 1;	2523	new_container->flag [FLAG_APPLIED] = true;
2680	container = new_container;	2524	container = new_container;
2681		2525
		2526	// client needs flag change
2682	esrv_update_item (UPD_FLAGS, this, new_container);	2527	esrv_update_item (UPD_FLAGS, this, new_container);
2683	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2528	esrv_send_inventory (this, new_container);
		2529	play_sound (sound_find ("chest_open"));
2684	}	2530	}
2685		2531	// else if (!old_container->env && contr && contr->ns)
2686	if (contr && contr->ns)
2687	contr->ns->floorbox_update ();	2532	// contr->ns->floorbox_reset ();
2688	}	2533	}
2689		2534
		2535	object *
		2536	object::force_find (shstr_tmp name)
		2537	{
		2538	/* cycle through his inventory to look for the MARK we want to
		2539	* place
		2540	*/
		2541	for (object *tmp = inv; tmp; tmp = tmp->below)
		2542	if (tmp->type == FORCE && tmp->slaying == name)
		2543	return splay (tmp);
2690		2544
		2545	return 0;
		2546	}
		2547
		2548	//-GPL
		2549
		2550	void
		2551	object::force_set_timer (int duration)
		2552	{
		2553	this->duration = 1;
		2554	this->speed_left = -1.f;
		2555
		2556	this->set_speed (duration ? 1.f / duration : 0.f);
		2557	}
		2558
		2559	object *
		2560	object::force_add (shstr_tmp name, int duration)
		2561	{
		2562	if (object *force = force_find (name))
		2563	force->destroy ();
		2564
		2565	object *force = get_archetype (FORCE_NAME);
		2566
		2567	force->slaying = name;
		2568	force->force_set_timer (duration);
		2569	force->flag [FLAG_APPLIED] = true;
		2570
		2571	return insert (force);
		2572	}
		2573
		2574	void
		2575	object::play_sound (faceidx sound) const
		2576	{
		2577	if (!sound)
		2578	return;
		2579
		2580	if (is_on_map ())
		2581	map->play_sound (sound, x, y);
		2582	else if (object *pl = in_player ())
		2583	pl->contr->play_sound (sound);
		2584	}
		2585
		2586	void
		2587	object::say_msg (const char *msg) const
		2588	{
		2589	if (is_on_map ())
		2590	map->say_msg (msg, x, y);
		2591	else if (object *pl = in_player ())
		2592	pl->contr->play_sound (sound);
		2593	}
		2594
		2595	void
		2596	object::make_noise ()
		2597	{
		2598	// we do not model noise in the map, so instead put
		2599	// a temporary light into the noise source
		2600	// could use the map instead, but that's less reliable for our
		2601	// goal, which is to make invisibility a bit harder to exploit
		2602
		2603	// currently only works sensibly for players
		2604	if (!is_player ())
		2605	return;
		2606
		2607	// find old force, or create new one
		2608	object *force = force_find (shstr_noise_force);
		2609
		2610	if (force)
		2611	force->speed_left = -1.f; // patch old speed up
		2612	else
		2613	{
		2614	force = archetype::get (shstr_noise_force);
		2615
		2616	force->slaying = shstr_noise_force;
		2617	force->stats.food = 1;
		2618	force->speed_left = -1.f;
		2619
		2620	force->set_speed (1.f / 4.f);
		2621	force->flag [FLAG_IS_USED_UP] = true;
		2622	force->flag [FLAG_APPLIED] = true;
		2623
		2624	insert (force);
		2625	}
		2626	}
		2627

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