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Comparing deliantra/server/common/object.C (file contents):
Revision 1.112 by root, Mon Jan 8 14:11:04 2007 UTC vs.
Revision 1.292 by root, Mon Oct 19 21:48:49 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	short freearr_x[SIZEOFFREE] = {
		44	0,
		45	0, 1, 1, 1, 0, -1, -1, -1,
		46	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	47	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	};	48	};
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,	49	short freearr_y[SIZEOFFREE] = {
		50	0,
		51	-1, -1, 0, 1, 1, 1, 0, -1,
		52	-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	53	-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	};	54	};
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,	55	int maxfree[SIZEOFFREE] = {
		56	0,
		57	9, 10, 13, 14, 17, 18, 21, 22,
		58	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
52	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49	59	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	};	60	};
54	int freedir[SIZEOFFREE] = {	61	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,	62	0,
		63	1, 2, 3, 4, 5, 6, 7, 8,
		64	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	65	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	};	66	};
58		67
59	static void	68	static void
60	write_uuid (void)	69	write_uuid (uval64 skip, bool sync)
61	{	70	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	71	CALL_BEGIN (2);
63		72	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	73	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	74	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		75	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	}	76	}
79		77
80	static void	78	static void
81	read_uuid (void)	79	read_uuid (void)
82	{	80	{
83	char filename[MAX_BUF];	81	char filename[MAX_BUF];
84		82
85	sprintf (filename, "%s/uuid", settings.localdir);	83	sprintf (filename, "%s/uuid", settings.localdir);
		84
		85	seq_next_save = 0;
86		86
87	FILE *fp;	87	FILE *fp;
88		88
89	if (!(fp = fopen (filename, "r")))	89	if (!(fp = fopen (filename, "r")))
90	{	90	{
91	if (errno == ENOENT)	91	if (errno == ENOENT)
92	{	92	{
93	LOG (llevInfo, "RESET uid to 1\n");	93	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	94	UUID::cur.seq = 0;
95	write_uuid ();	95	write_uuid (UUID_GAP, true);
96	return;	96	return;
97	}	97	}
98		98
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	100	_exit (1);
101	}	101	}
102		102
103	int version;	103	UUID::BUF buf;
104	unsigned long long uid;	104	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	105	fgets (buf, sizeof (buf), fp);
		106
		107	if (!UUID::cur.parse (buf))
106	{	108	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	109	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	110	_exit (1);
109	}	111	}
110		112
111	uuid.seq = uid;	113	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	114
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	115	write_uuid (UUID_GAP, true);
114	fclose (fp);	116	fclose (fp);
115	}	117	}
116		118
117	UUID	119	UUID
118	gen_uuid ()	120	UUID::gen ()
119	{	121	{
120	UUID uid;	122	UUID uid;
121		123
122	uid.seq = ++uuid.seq;	124	uid.seq = ++cur.seq;
123		125
124	if (!(uuid.seq & (UUID_SKIP - 1)))	126	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	127	{
		128	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		129	write_uuid (UUID_GAP, false);
		130	}
		131
126		132
127	return uid;	133	return uid;
128	}	134	}
129		135
130	void	136	void
131	init_uuid ()	137	UUID::init ()
132	{	138	{
133	read_uuid ();	139	read_uuid ();
134	}	140	}
135		141
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	142	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	143	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	144	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	145	{
140	key_value *wants_field;
141
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	146	/* 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	147	* objects with lists are rare, and lists stay short. If not, use a
144	* different structure or at least keep the lists sorted...	148	* different structure or at least keep the lists sorted...
145	*/	149	*/
146		150
147	/* For each field in wants, */	151	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	152	for (key_value *kv = wants->key_values; kv; kv = kv->next)
149	{	153	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	154	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		155
171	/* If we get here, every field in wants has a matching field in has. */	156	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	157	return true;
173	}	158	}
174		159
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	160	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	161	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	162	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	163	{
179	/* However, there may be fields in has which aren't partnered in wants,	164	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	165	* so we need to run the comparison *twice*. :(
181	*/	166	*/
182	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	167	return compare_ob_value_lists_one (ob1, ob2)
		168	&& compare_ob_value_lists_one (ob2, ob1);
183	}	169	}
184		170
185	/* Function examines the 2 objects given to it, and returns true if	171	/* Function examines the 2 objects given to it, and returns true if
186	* they can be merged together.	172	* they can be merged together.
187	*	173	*
…		…
202	|| ob1->speed != ob2->speed	188	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	189	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	190	|| ob1->name != ob2->name)
205	return 0;	191	return 0;
206		192
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	193	/* Do not merge objects if nrof would overflow, assume nrof
209	* value could not be stored in a sint32 (which unfortunately sometimes is	194	* is always 0 .. 2**31-1 */
210	* used to store nrof).	195	if (ob1->nrof > 0x7fffffff - ob2->nrof)
211	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
213	return 0;	196	return 0;
214		197
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	198	/* 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	199	* 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	200	* 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	201	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	202	* flags lose any meaning.
220	*/	203	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	204	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	205	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		206
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	207	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	208	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		209
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	210	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	211	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	212	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	213	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	214	|| 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	215	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	216	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	217	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	218	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	219	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	220	|| ob1->animation_id != ob2->animation_id
		221	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
241	|| ob1->client_type != ob2->client_type	222	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	223	|| ob1->materialname != ob2->materialname
243	|| ob1->lore != ob2->lore	224	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	225	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	226	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	227	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	228	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	229	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	230	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	231	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	232	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	235	return 0;
253		236
		237	if ((ob1->flag ^ ob2->flag)
		238	.reset (FLAG_INV_LOCKED)
		239	.reset (FLAG_REMOVED)
		240	.any ())
		241	return 0;
		242
254	/* This is really a spellbook check - really, we should	243	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	244	* not merge objects with real inventories, as splitting them
		245	* is hard.
256	*/	246	*/
257	if (ob1->inv || ob2->inv)	247	if (ob1->inv || ob2->inv)
258	{	248	{
259	/* if one object has inventory but the other doesn't, not equiv */	249	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	250	return 0; /* inventories differ in length */
261	return 0;
262		251
263	/* Now check to see if the two inventory objects could merge */	252	if (ob1->inv->below || ob2->inv->below)
		253	return 0; /* more than one object in inv */
		254
264	if (!object::can_merge (ob1->inv, ob2->inv))	255	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	256	return 0; /* inventory objects differ */
266		257
267	/* inventory ok - still need to check rest of this object to see	258	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	259	* if it is valid.
269	*/	260	*/
270	}	261	}
…		…
289	if (ob1->level != ob2->level)	280	if (ob1->level != ob2->level)
290	return 0;	281	return 0;
291	break;	282	break;
292	}	283	}
293		284
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	285	if (ob1->key_values || ob2->key_values)
295	{	286	{
296	/* At least one of these has key_values. */	287	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	288	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	289	return 0; /* One has fields, but the other one doesn't. */
		290
		291	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	292	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	293	}
303		294
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	295	if (ob1->self || ob2->self)
306	{	296	{
307	ob1->optimise ();	297	ob1->optimise ();
308	ob2->optimise ();	298	ob2->optimise ();
309		299
310	if (ob1->self || ob2->self)	300	if (ob1->self || ob2->self)
		301	{
		302	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		303	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		304
		305	if (k1 != k2)
311	return 0;	306	return 0;
		307
		308	if (k1 == 0)
		309	return 1;
		310
		311	if (!cfperl_can_merge (ob1, ob2))
		312	return 0;
		313	}
312	}	314	}
313		315
314	/* Everything passes, must be OK. */	316	/* Everything passes, must be OK. */
315	return 1;	317	return 1;
316	}	318	}
317		319
		320	// find player who can see this object
		321	object *
		322	object::visible_to () const
		323	{
		324	if (client_visible () && !flag [FLAG_REMOVED])
		325	{
		326	// see if we are in a container of sorts
		327	if (env)
		328	{
		329	// the player inventory itself is always visible
		330	if (env->is_player ())
		331	return env;
		332
		333	// else a player could have our env open
		334	object *envest = env->outer_env_or_self ();
		335
		336	// the player itself is always on a map, so we will find him here
		337	// even if our inv is in a player.
		338	if (envest->is_on_map ())
		339	if (object *pl = envest->ms ().player ())
		340	if (pl->container_ () == env)
		341	return pl;
		342	}
		343	else
		344	{
		345	// maybe there is a player standing on the same mapspace
		346	// this will catch the case where "this" is a player
		347	if (object *pl = ms ().player ())
		348	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		349	|| pl->container_ () == this)
		350	return pl;
		351	}
		352	}
		353
		354	return 0;
		355	}
		356
		357	// adjust weight per container type ("of holding")
		358	static sint32
		359	weight_adjust_for (object *op, sint32 weight)
		360	{
		361	return op->type == CONTAINER
		362	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		363	: weight;
		364	}
		365
318	/*	366	/*
		367	* adjust_weight(object, weight) adds the specified weight to an object,
		368	* and also updates how much the environment(s) is/are carrying.
		369	*/
		370	static void
		371	adjust_weight (object *op, sint32 weight)
		372	{
		373	while (op)
		374	{
		375	// adjust by actual difference to account for rounding errors
		376	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		377	weight = weight_adjust_for (op, op->carrying)
		378	- weight_adjust_for (op, op->carrying - weight);
		379
		380	if (!weight)
		381	return;
		382
		383	op->carrying += weight;
		384
		385	if (object *pl = op->visible_to ())
		386	if (pl != op) // player is handled lazily
		387	esrv_update_item (UPD_WEIGHT, pl, op);
		388
		389	op = op->env;
		390	}
		391	}
		392
		393	/*
319	* sum_weight() is a recursive function which calculates the weight	394	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	395	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	396	* containers are carrying, and sums it up.
322	*/	397	*/
323	long	398	void
324	sum_weight (object *op)	399	object::update_weight ()
325	{	400	{
326	long sum;	401	sint32 sum = 0;
327	object *inv;
328		402
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	403	for (object *op = inv; op; op = op->below)
330	{	404	{
331	if (inv->inv)	405	if (op->inv)
332	sum_weight (inv);	406	op->update_weight ();
333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	407
		408	sum += op->total_weight ();
		409	}
		410
		411	sum = weight_adjust_for (this, sum);
		412
		413	if (sum != carrying)
334	}	414	{
335
336	if (op->type == CONTAINER && op->stats.Str)
337	sum = (sum * (100 - op->stats.Str)) / 100;
338
339	if (op->carrying != sum)
340	op->carrying = sum;	415	carrying = sum;
341		416
342	return sum;	417	if (object *pl = visible_to ())
		418	if (pl != this) // player is handled lazily
		419	esrv_update_item (UPD_WEIGHT, pl, this);
		420	}
343	}	421	}
344		422
345	/**	423	/*
346	* Return the outermost environment object for a given object.	424	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/	425	*/
348
349	object *
350	object_get_env_recursive (object *op)
351	{
352	while (op->env != NULL)
353	op = op->env;
354	return op;
355	}
356
357	/*
358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
359	* Some error messages.
360	* The result of the dump is stored in the static global errmsg array.
361	*/
362
363	char *	426	char *
364	dump_object (object *op)	427	dump_object (object *op)
365	{	428	{
366	if (!op)	429	if (!op)
367	return strdup ("[NULLOBJ]");	430	return strdup ("[NULLOBJ]");
368		431
369	object_freezer freezer;	432	object_freezer freezer;
370	save_object (freezer, op, 1);	433	op->write (freezer);
371	return freezer.as_string ();	434	return freezer.as_string ();
		435	}
		436
		437	char *
		438	object::as_string ()
		439	{
		440	return dump_object (this);
372	}	441	}
373		442
374	/*	443	/*
375	* get_nearest_part(multi-object, object 2) returns the part of the	444	* get_nearest_part(multi-object, object 2) returns the part of the
376	* multi-object 1 which is closest to the second object.	445	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.	446	* If it's not a multi-object, it is returned.
378	*/	447	*/
379
380	object *	448	object *
381	get_nearest_part (object *op, const object *pl)	449	get_nearest_part (object *op, const object *pl)
382	{	450	{
383	object *tmp, *closest;	451	object *tmp, *closest;
384	int last_dist, i;	452	int last_dist, i;
385		453
386	if (op->more == NULL)	454	if (!op->more)
387	return op;	455	return op;
		456
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	457	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		458	tmp;
		459	tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)	460	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;	461	closest = tmp, last_dist = i;
		462
391	return closest;	463	return closest;
392	}	464	}
393		465
394	/*	466	/*
395	* Returns the object which has the count-variable equal to the argument.	467	* Returns the object which has the count-variable equal to the argument.
		468	* VERRRY slow.
396	*/	469	*/
397	object *	470	object *
398	find_object (tag_t i)	471	find_object (tag_t i)
399	{	472	{
400	for_all_objects (op)	473	for_all_objects (op)
…		…
411	*/	484	*/
412	object *	485	object *
413	find_object_name (const char *str)	486	find_object_name (const char *str)
414	{	487	{
415	shstr_cmp str_ (str);	488	shstr_cmp str_ (str);
416	object *op;
417		489
		490	if (str_)
418	for_all_objects (op)	491	for_all_objects (op)
419	if (op->name == str_)	492	if (op->name == str_)
420	break;	493	return op;
421		494
422	return op;	495	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	496	}
430		497
431	/*	498	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	499	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	500	* skill and experience objects.
		501	* ACTUALLY NO! investigate! TODO
434	*/	502	*/
435	void	503	void
436	object::set_owner (object *owner)	504	object::set_owner (object *owner)
437	{	505	{
		506	// allow objects which own objects
438	if (!owner)	507	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)	508	while (owner->owner)
449	owner = owner->owner;	509	owner = owner->owner;
		510
		511	if (flag [FLAG_FREED])
		512	{
		513	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		514	return;
		515	}
450		516
451	this->owner = owner;	517	this->owner = owner;
		518	}
		519
		520	int
		521	object::slottype () const
		522	{
		523	if (type == SKILL)
		524	{
		525	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		526	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		527	}
		528	else
		529	{
		530	if (slot [body_combat].info) return slot_combat;
		531	if (slot [body_range ].info) return slot_ranged;
		532	}
		533
		534	return slot_none;
		535	}
		536
		537	bool
		538	object::change_weapon (object *ob)
		539	{
		540	if (current_weapon == ob)
		541	return true;
		542
		543	if (chosen_skill)
		544	chosen_skill->flag [FLAG_APPLIED] = false;
		545
		546	current_weapon = ob;
		547	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		548
		549	if (chosen_skill)
		550	chosen_skill->flag [FLAG_APPLIED] = true;
		551
		552	update_stats ();
		553
		554	if (ob)
		555	{
		556	// now check wether any body locations became invalid, in which case
		557	// we cannot apply the weapon at the moment.
		558	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		559	if (slot[i].used < 0)
		560	{
		561	current_weapon = chosen_skill = 0;
		562	update_stats ();
		563
		564	new_draw_info_format (NDI_UNIQUE, 0, this,
		565	"You try to balance all your items at once, "
		566	"but the %s is just too much for your body. "
		567	"[You need to unapply some items first - use the 'body' command to see "
		568	"how many items you cna wera on a specific body part.]", &ob->name);
		569	return false;
		570	}
		571
		572	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		573	}
		574	else
		575	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		576
		577	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		578	{
		579	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		580	&name, ob->debug_desc ());
		581	return false;
		582	}
		583
		584	return true;
452	}	585	}
453		586
454	/* Zero the key_values on op, decrementing the shared-string	587	/* Zero the key_values on op, decrementing the shared-string
455	* refcounts and freeing the links.	588	* refcounts and freeing the links.
456	*/	589	*/
457	static void	590	static void
458	free_key_values (object *op)	591	free_key_values (object *op)
459	{	592	{
460	for (key_value *i = op->key_values; i != 0;)	593	for (key_value *i = op->key_values; i; )
461	{	594	{
462	key_value *next = i->next;	595	key_value *next = i->next;
463	delete i;	596	delete i;
464		597
465	i = next;	598	i = next;
…		…
477	* will point at garbage.	610	* will point at garbage.
478	*/	611	*/
479	void	612	void
480	object::copy_to (object *dst)	613	object::copy_to (object *dst)
481	{	614	{
482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	615	dst->remove ();
483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
484
485	*(object_copy *)dst = *this;	616	*(object_copy *)dst = *this;
486		617	dst->flag [FLAG_REMOVED] = true;
487	if (is_freed)
488	SET_FLAG (dst, FLAG_FREED);
489
490	if (is_removed)
491	SET_FLAG (dst, FLAG_REMOVED);
492
493	if (speed < 0)
494	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
495		618
496	/* Copy over key_values, if any. */	619	/* Copy over key_values, if any. */
497	if (key_values)	620	if (key_values)
498	{	621	{
499	key_value *tail = 0;	622	key_value *tail = 0;
500	key_value *i;
501
502	dst->key_values = 0;	623	dst->key_values = 0;
503		624
504	for (i = key_values; i; i = i->next)	625	for (key_value *i = key_values; i; i = i->next)
505	{	626	{
506	key_value *new_link = new key_value;	627	key_value *new_link = new key_value;
507		628
508	new_link->next = 0;	629	new_link->next = 0;
509	new_link->key = i->key;	630	new_link->key = i->key;
510	new_link->value = i->value;	631	new_link->value = i->value;
511		632
512	/* Try and be clever here, too. */	633	/* Try and be clever here, too. */
513	if (!dst->key_values)	634	if (!dst->key_values)
514	{	635	{
…		…
521	tail = new_link;	642	tail = new_link;
522	}	643	}
523	}	644	}
524	}	645	}
525		646
526	dst->set_speed (dst->speed);	647	if (speed < 0)
		648	dst->speed_left -= rndm ();
		649
		650	dst->activate ();
		651	}
		652
		653	void
		654	object::instantiate ()
		655	{
		656	if (!uuid.seq) // HACK
		657	uuid = UUID::gen ();
		658
		659	speed_left = -0.1f;
		660	/* copy the body_info to the body_used - this is only really
		661	* need for monsters, but doesn't hurt to do it for everything.
		662	* by doing so, when a monster is created, it has good starting
		663	* values for the body_used info, so when items are created
		664	* for it, they can be properly equipped.
		665	*/
		666	for (int i = NUM_BODY_LOCATIONS; i--; )
		667	slot[i].used = slot[i].info;
		668
		669	attachable::instantiate ();
527	}	670	}
528		671
529	object *	672	object *
530	object::clone ()	673	object::clone ()
531	{	674	{
532	object *neu = create ();	675	object *neu = create ();
533	copy_to (neu);	676	copy_to (neu);
		677	neu->map = map; // not copied by copy_to
534	return neu;	678	return neu;
535	}	679	}
536		680
537	/*	681	/*
538	* If an object with the IS_TURNABLE() flag needs to be turned due	682	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
589	* UP_OBJ_FACE: only the objects face has changed.	733	* UP_OBJ_FACE: only the objects face has changed.
590	*/	734	*/
591	void	735	void
592	update_object (object *op, int action)	736	update_object (object *op, int action)
593	{	737	{
594	MoveType move_on, move_off, move_block, move_slow;	738	if (!op)
595
596	if (op == NULL)
597	{	739	{
598	/* this should never happen */	740	/* this should never happen */
599	LOG (llevDebug, "update_object() called for NULL object.\n");	741	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
600	return;	742	return;
601	}	743	}
602		744
603	if (op->env)	745	if (!op->is_on_map ())
604	{	746	{
605	/* Animation is currently handled by client, so nothing	747	/* Animation is currently handled by client, so nothing
606	* to do in this case.	748	* to do in this case.
607	*/	749	*/
608	return;	750	return;
609	}	751	}
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		752
617	/* make sure the object is within map boundaries */	753	/* 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)	754	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
619	{	755	{
620	LOG (llevError, "update_object() called for object out of map!\n");	756	LOG (llevError, "update_object() called for object out of map!\n");
…		…
631	else if (action == UP_OBJ_INSERT)	767	else if (action == UP_OBJ_INSERT)
632	{	768	{
633	// this is likely overkill, TODO: revisit (schmorp)	769	// this is likely overkill, TODO: revisit (schmorp)
634	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	770	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
635	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	771	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
636	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	772	|| (op->is_player () && !(m.flags_ & P_PLAYER))
637	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	773	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
638	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	774	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
639	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	775	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
640	|| (m.move_on | op->move_on ) != m.move_on	776	|| (m.move_on | op->move_on ) != m.move_on
641	|| (m.move_off | op->move_off ) != m.move_off	777	|| (m.move_off | op->move_off ) != m.move_off
642	|| (m.move_slow | op->move_slow) != m.move_slow	778	|| (m.move_slow | op->move_slow) != m.move_slow
643	/* This isn't perfect, but I don't expect a lot of objects to	779	/* This isn't perfect, but I don't expect a lot of objects to
644	* to have move_allow right now.	780	* have move_allow right now.
645	*/	781	*/
646	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	782	|| ((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)	783	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
648	m.flags_ = 0;	784	m.invalidate ();
649	}	785	}
650	/* if the object is being removed, we can't make intelligent	786	/* if the object is being removed, we can't make intelligent
651	* decisions, because remove_ob can't really pass the object	787	* decisions, because remove_ob can't really pass the object
652	* that is being removed.	788	* that is being removed.
653	*/	789	*/
654	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	790	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
655	m.flags_ = 0;	791	m.invalidate ();
656	else if (action == UP_OBJ_FACE)	792	else if (action == UP_OBJ_FACE)
657	/* Nothing to do for that case */ ;	793	/* Nothing to do for that case */ ;
658	else	794	else
659	LOG (llevError, "update_object called with invalid action: %d\n", action);	795	LOG (llevError, "update_object called with invalid action: %d\n", action);
660		796
661	if (op->more)	797	if (op->more)
662	update_object (op->more, action);	798	update_object (op->more, action);
663	}	799	}
664		800
665	object *object::first;
666
667	object::object ()	801	object::object ()
668	{	802	{
669	SET_FLAG (this, FLAG_REMOVED);	803	SET_FLAG (this, FLAG_REMOVED);
670		804
671	expmul = 1.0;	805	//expmul = 1.0; declared const for the time being
672	face = blank_face;	806	face = blank_face;
673	}	807	}
674		808
675	object::~object ()	809	object::~object ()
676	{	810	{
		811	unlink ();
		812
677	free_key_values (this);	813	free_key_values (this);
678	}	814	}
679		815
680	static int object_count;	816	static int object_count;
681		817
682	void object::link ()	818	void object::link ()
683	{	819	{
684	assert (!index);//D	820	assert (!index);//D
685	uuid = gen_uuid ();	821	uuid = UUID::gen ();
686	count = ++object_count;	822	count = ++object_count;
687		823
688	refcnt_inc ();	824	refcnt_inc ();
689	objects.insert (this);	825	objects.insert (this);
690	}	826	}
691		827
692	void object::unlink ()	828	void object::unlink ()
693	{	829	{
694	assert (index);//D	830	if (!index)
		831	return;
		832
695	objects.erase (this);	833	objects.erase (this);
696	refcnt_dec ();	834	refcnt_dec ();
697	}	835	}
698		836
699	void	837	void
…		…
702	/* If already on active list, don't do anything */	840	/* If already on active list, don't do anything */
703	if (active)	841	if (active)
704	return;	842	return;
705		843
706	if (has_active_speed ())	844	if (has_active_speed ())
		845	{
		846	if (flag [FLAG_FREED])
		847	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		848
707	actives.insert (this);	849	actives.insert (this);
		850	}
708	}	851	}
709		852
710	void	853	void
711	object::activate_recursive ()	854	object::activate_recursive ()
712	{	855	{
…		…
761	object::destroy_inv (bool drop_to_ground)	904	object::destroy_inv (bool drop_to_ground)
762	{	905	{
763	// need to check first, because the checks below might segfault	906	// need to check first, because the checks below might segfault
764	// as we might be on an invalid mapspace and crossfire code	907	// as we might be on an invalid mapspace and crossfire code
765	// is too buggy to ensure that the inventory is empty.	908	// is too buggy to ensure that the inventory is empty.
766	// corollary: if you create arrows etc. with stuff in tis inventory,	909	// corollary: if you create arrows etc. with stuff in its inventory,
767	// cf will crash below with off-map x and y	910	// cf will crash below with off-map x and y
768	if (!inv)	911	if (!inv)
769	return;	912	return;
770		913
771	/* Only if the space blocks everything do we not process -	914	/* Only if the space blocks everything do we not process -
772	* if some form of movement is allowed, let objects	915	* if some form of movement is allowed, let objects
773	* drop on that space.	916	* drop on that space.
774	*/	917	*/
775	if (!drop_to_ground	918	if (!drop_to_ground
776	|| !map	919	|| !map
777	|| map->in_memory != MAP_IN_MEMORY	920	|| map->in_memory != MAP_ACTIVE
		921	|| map->no_drop
778	|| ms ().move_block == MOVE_ALL)	922	|| ms ().move_block == MOVE_ALL)
779	{	923	{
780	while (inv)	924	while (inv)
781	{
782	inv->destroy_inv (drop_to_ground);
783	inv->destroy ();	925	inv->destroy ();
784	}
785	}	926	}
786	else	927	else
787	{ /* Put objects in inventory onto this space */	928	{ /* Put objects in inventory onto this space */
788	while (inv)	929	while (inv)
789	{	930	{
…		…
807	object *op = new object;	948	object *op = new object;
808	op->link ();	949	op->link ();
809	return op;	950	return op;
810	}	951	}
811		952
		953	static struct freed_map : maptile
		954	{
		955	freed_map ()
		956	{
		957	path = "<freed objects map>";
		958	name = "/internal/freed_objects_map";
		959	width = 3;
		960	height = 3;
		961	no_drop = 1;
		962	no_reset = 1;
		963
		964	alloc ();
		965	in_memory = MAP_ACTIVE;
		966	}
		967
		968	~freed_map ()
		969	{
		970	destroy ();
		971	}
		972	} freed_map; // freed objects are moved here to avoid crashes
		973
812	void	974	void
813	object::do_destroy ()	975	object::do_destroy ()
814	{	976	{
815	attachable::do_destroy ();
816
817	if (flag [FLAG_IS_LINKED])	977	if (flag [FLAG_IS_LINKED])
818	remove_button_link (this);	978	remove_link ();
819		979
820	if (flag [FLAG_FRIENDLY])	980	if (flag [FLAG_FRIENDLY])
821	remove_friendly_object (this);	981	remove_friendly_object (this);
822		982
823	if (!flag [FLAG_REMOVED])
824	remove ();	983	remove ();
825		984
826	destroy_inv (true);	985	attachable::do_destroy ();
827		986
828	deactivate ();	987	deactivate ();
829	unlink ();	988	unlink ();
830		989
831	flag [FLAG_FREED] = 1;	990	flag [FLAG_FREED] = 1;
832		991
833	// hack to ensure that freed objects still have a valid map	992	// hack to ensure that freed objects still have a valid map
834	{
835	static maptile *freed_map; // freed objects are moved here to avoid crashes
836
837	if (!freed_map)
838	{
839	freed_map = new maptile;
840
841	freed_map->name = "/internal/freed_objects_map";
842	freed_map->width = 3;
843	freed_map->height = 3;
844
845	freed_map->alloc ();
846	freed_map->in_memory = MAP_IN_MEMORY;
847	}
848
849	map = freed_map;	993	map = &freed_map;
850	x = 1;	994	x = 1;
851	y = 1;	995	y = 1;
852	}
853
854	head = 0;
855		996
856	if (more)	997	if (more)
857	{	998	{
858	more->destroy ();	999	more->destroy ();
859	more = 0;	1000	more = 0;
860	}	1001	}
861		1002
		1003	head = 0;
		1004
862	// clear those pointers that likely might have circular references to us	1005	// clear those pointers that likely might cause circular references
863	owner = 0;	1006	owner = 0;
864	enemy = 0;	1007	enemy = 0;
865	attacked_by = 0;	1008	attacked_by = 0;
		1009	current_weapon = 0;
866	}	1010	}
867		1011
868	void	1012	void
869	object::destroy (bool destroy_inventory)	1013	object::destroy ()
870	{	1014	{
871	if (destroyed ())	1015	if (destroyed ())
872	return;	1016	return;
873		1017
874	if (destroy_inventory)	1018	if (!is_head () && !head->destroyed ())
		1019	{
		1020	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1021	head->destroy ();
		1022	return;
		1023	}
		1024
875	destroy_inv (false);	1025	destroy_inv (false);
		1026
		1027	if (is_head ())
		1028	if (sound_destroy)
		1029	play_sound (sound_destroy);
		1030	else if (flag [FLAG_MONSTER])
		1031	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
876		1032
877	attachable::destroy ();	1033	attachable::destroy ();
878	}
879
880	/*
881	* sub_weight() recursively (outwards) subtracts a number from the
882	* weight of an object (and what is carried by it's environment(s)).
883	*/
884	void
885	sub_weight (object *op, signed long weight)
886	{
887	while (op != NULL)
888	{
889	if (op->type == CONTAINER)
890	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
891
892	op->carrying -= weight;
893	op = op->env;
894	}
895	}	1034	}
896		1035
897	/* op->remove ():	1036	/* op->remove ():
898	* This function removes the object op from the linked list of objects	1037	* This function removes the object op from the linked list of objects
899	* which it is currently tied to. When this function is done, the	1038	* which it is currently tied to. When this function is done, the
900	* object will have no environment. If the object previously had an	1039	* object will have no environment. If the object previously had an
901	* environment, the x and y coordinates will be updated to	1040	* environment, the x and y coordinates will be updated to
902	* the previous environment.	1041	* the previous environment.
903	* Beware: This function is called from the editor as well!
904	*/	1042	*/
905	void	1043	void
906	object::remove ()	1044	object::do_remove ()
907	{	1045	{
908	object *tmp, *last = 0;	1046	object *tmp, *last = 0;
909	object *otmp;	1047	object *otmp;
910		1048
911	if (QUERY_FLAG (this, FLAG_REMOVED))	1049	if (flag [FLAG_REMOVED])
912	return;	1050	return;
913		1051
914	SET_FLAG (this, FLAG_REMOVED);
915	INVOKE_OBJECT (REMOVE, this);	1052	INVOKE_OBJECT (REMOVE, this);
		1053
		1054	flag [FLAG_REMOVED] = true;
916		1055
917	if (more)	1056	if (more)
918	more->remove ();	1057	more->remove ();
919		1058
920	/*	1059	/*
921	* In this case, the object to be removed is in someones	1060	* In this case, the object to be removed is in someones
922	* inventory.	1061	* inventory.
923	*/	1062	*/
924	if (env)	1063	if (env)
925	{	1064	{
926	if (nrof)	1065	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
927	sub_weight (env, weight * nrof);	1066	if (object *pl = visible_to ())
928	else	1067	esrv_del_item (pl->contr, count);
929	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;
930		1089
931	/* 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
932	* made to players inventory. If set, avoiding the call	1091	* made to players inventory. If set, avoiding the call
933	* to save cpu time.	1092	* to save cpu time.
934	*/	1093	*/
935	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	{
936	otmp->update_stats ();	1097	pl->update_stats ();
937		1098
938	if (above)	1099	if (glow_radius && pl->is_on_map ())
939	above->below = below;	1100	update_all_los (pl->map, pl->x, pl->y);
940	else	1101	}
941	env->inv = below;
942
943	if (below)
944	below->above = above;
945
946	/* we set up values so that it could be inserted into
947	* the map, but we don't actually do that - it is up
948	* to the caller to decide what we want to do.
949	*/
950	x = env->x, y = env->y;
951	map = env->map;
952	above = 0, below = 0;
953	env = 0;
954	}	1102	}
955	else if (map)	1103	else if (map)
956	{	1104	{
957	if (type == PLAYER)	1105	map->dirty = true;
		1106	mapspace &ms = this->ms ();
		1107
		1108	if (object *pl = ms.player ())
958	{	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
959	--map->players;	1121	--map->players;
960	map->touch ();	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);
961	}	1131	}
962		1132
963	map->dirty = true;
964
965	/* link the object above us */	1133	/* link the object above us */
966	if (above)	1134	// re-link, make sure compiler can easily use cmove
967	above->below = below;	1135	*(above ? &above->below : &ms.top) = below;
968	else	1136	*(below ? &below->above : &ms.bot) = above;
969	map->at (x, y).top = below; /* we were top, set new top */
970
971	/* Relink the object below us, if there is one */
972	if (below)
973	below->above = above;
974	else
975	{
976	/* Nothing below, which means we need to relink map object for this space
977	* use translated coordinates in case some oddness with map tiling is
978	* evident
979	*/
980	if (GET_MAP_OB (map, x, y) != this)
981	{
982	char *dump = dump_object (this);
983	LOG (llevError,
984	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);
985	free (dump);
986	dump = dump_object (GET_MAP_OB (map, x, y));
987	LOG (llevError, "%s\n", dump);
988	free (dump);
989	}
990
991	map->at (x, y).bot = above; /* goes on above it. */
992	}
993		1137
994	above = 0;	1138	above = 0;
995	below = 0;	1139	below = 0;
996		1140
		1141	ms.invalidate ();
		1142
997	if (map->in_memory == MAP_SAVING)	1143	if (map->in_memory == MAP_SAVING)
998	return;	1144	return;
999		1145
1000	int check_walk_off = !flag [FLAG_NO_APPLY];	1146	int check_walk_off = !flag [FLAG_NO_APPLY];
1001		1147
		1148	if (object *pl = ms.player ())
		1149	{
		1150	if (pl->container_ () == this)
		1151	/* If a container that the player is currently using somehow gets
		1152	* removed (most likely destroyed), update the player view
		1153	* appropriately.
		1154	*/
		1155	pl->close_container ();
		1156
		1157	//TODO: the floorbox prev/next might need updating
		1158	//esrv_del_item (pl->contr, count);
		1159	//TODO: update floorbox to preserve ordering
		1160	if (pl->contr->ns)
		1161	pl->contr->ns->floorbox_update ();
		1162	}
		1163
1002	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1164	for (tmp = ms.bot; tmp; tmp = tmp->above)
1003	{	1165	{
1004	/* No point updating the players look faces if he is the object	1166	/* No point updating the players look faces if he is the object
1005	* being removed.	1167	* being removed.
1006	*/	1168	*/
1007
1008	if (tmp->type == PLAYER && tmp != this)
1009	{
1010	/* If a container that the player is currently using somehow gets
1011	* removed (most likely destroyed), update the player view
1012	* appropriately.
1013	*/
1014	if (tmp->container == this)
1015	{
1016	flag [FLAG_APPLIED] = 0;
1017	tmp->container = 0;
1018	}
1019
1020	if (tmp->contr->ns)
1021	tmp->contr->ns->floorbox_update ();
1022	}
1023		1169
1024	/* See if object moving off should effect something */	1170	/* See if object moving off should effect something */
1025	if (check_walk_off	1171	if (check_walk_off
1026	&& ((move_type & tmp->move_off)	1172	&& ((move_type & tmp->move_off)
1027	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1173	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1030		1176
1031	if (destroyed ())	1177	if (destroyed ())
1032	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1178	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1033	}	1179	}
1034		1180
1035	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1036	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1037	if (tmp->above == tmp)
1038	tmp->above = 0;
1039
1040	last = tmp;	1181	last = tmp;
1041	}	1182	}
1042		1183
1043	/* last == NULL if there are no objects on this space */	1184	if (affects_los ())
1044	//TODO: this makes little sense, why only update the topmost object?
1045	if (!last)
1046	map->at (x, y).flags_ = 0;
1047	else
1048	update_object (last, UP_OBJ_REMOVE);
1049
1050	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1051	update_all_los (map, x, y);	1185	update_all_los (map, x, y);
1052	}	1186	}
1053	}	1187	}
1054		1188
1055	/*	1189	/*
…		…
1064	merge_ob (object *op, object *top)	1198	merge_ob (object *op, object *top)
1065	{	1199	{
1066	if (!op->nrof)	1200	if (!op->nrof)
1067	return 0;	1201	return 0;
1068		1202
1069	if (top)	1203	if (!top)
1070	for (top = op; top && top->above; top = top->above)	1204	for (top = op; top && top->above; top = top->above)
1071	;	1205	;
1072		1206
1073	for (; top; top = top->below)	1207	for (; top; top = top->below)
1074	{
1075	if (top == op)
1076	continue;
1077
1078	if (object::can_merge (op, top))	1208	if (object::can_merge (op, top))
1079	{	1209	{
1080	top->nrof += op->nrof;	1210	top->nrof += op->nrof;
1081		1211
1082	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1212	if (object *pl = top->visible_to ())
1083	op->weight = 0; /* Don't want any adjustements now */	1213	esrv_update_item (UPD_NROF, pl, top);
		1214
		1215	op->weight = 0; // cancel the addition above
		1216	op->carrying = 0; // must be 0 already
		1217
1084	op->destroy ();	1218	op->destroy ();
		1219
1085	return top;	1220	return top;
1086	}	1221	}
1087	}
1088		1222
1089	return 0;	1223	return 0;
1090	}	1224	}
1091		1225
		1226	void
		1227	object::expand_tail ()
		1228	{
		1229	if (more)
		1230	return;
		1231
		1232	object *prev = this;
		1233
		1234	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1235	{
		1236	object *op = arch_to_object (at);
		1237
		1238	op->name = name;
		1239	op->name_pl = name_pl;
		1240	op->title = title;
		1241
		1242	op->head = this;
		1243	prev->more = op;
		1244
		1245	prev = op;
		1246	}
		1247	}
		1248
1092	/*	1249	/*
1093	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1250	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1094	* job preparing multi-part monsters	1251	* job preparing multi-part monsters.
1095	*/	1252	*/
1096	object *	1253	object *
1097	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1254	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1098	{	1255	{
		1256	op->remove ();
		1257
1099	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1258	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1100	{	1259	{
1101	tmp->x = x + tmp->arch->clone.x;	1260	tmp->x = x + tmp->arch->x;
1102	tmp->y = y + tmp->arch->clone.y;	1261	tmp->y = y + tmp->arch->y;
1103	}	1262	}
1104		1263
1105	return insert_ob_in_map (op, m, originator, flag);	1264	return insert_ob_in_map (op, m, originator, flag);
1106	}	1265	}
1107		1266
…		…
1126	* just 'op' otherwise	1285	* just 'op' otherwise
1127	*/	1286	*/
1128	object *	1287	object *
1129	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1288	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1130	{	1289	{
1131	object *tmp, *top, *floor = NULL;	1290	op->remove ();
1132	sint16 x, y;
1133		1291
1134	if (QUERY_FLAG (op, FLAG_FREED))	1292	if (m == &freed_map)//D TODO: remove soon
1135	{	1293	{//D
1136	LOG (llevError, "Trying to insert freed object!\n");	1294	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1137	return NULL;
1138	}	1295	}//D
1139
1140	if (!m)
1141	{
1142	char *dump = dump_object (op);
1143	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1144	free (dump);
1145	return op;
1146	}
1147
1148	if (out_of_map (m, op->x, op->y))
1149	{
1150	char *dump = dump_object (op);
1151	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1152	#ifdef MANY_CORES
1153	/* Better to catch this here, as otherwise the next use of this object
1154	* is likely to cause a crash. Better to find out where it is getting
1155	* improperly inserted.
1156	*/
1157	abort ();
1158	#endif
1159	free (dump);
1160	return op;
1161	}
1162
1163	if (!QUERY_FLAG (op, FLAG_REMOVED))
1164	{
1165	char *dump = dump_object (op);
1166	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1167	free (dump);
1168	return op;
1169	}
1170
1171	if (op->more)
1172	{
1173	/* The part may be on a different map. */
1174
1175	object *more = op->more;
1176
1177	/* We really need the caller to normalise coordinates - if
1178	* we set the map, that doesn't work if the location is within
1179	* a map and this is straddling an edge. So only if coordinate
1180	* is clear wrong do we normalise it.
1181	*/
1182	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1183	more->map = get_map_from_coord (m, &more->x, &more->y);
1184	else if (!more->map)
1185	{
1186	/* For backwards compatibility - when not dealing with tiled maps,
1187	* more->map should always point to the parent.
1188	*/
1189	more->map = m;
1190	}
1191
1192	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1193	{
1194	if (!op->head)
1195	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1196
1197	return 0;
1198	}
1199	}
1200
1201	CLEAR_FLAG (op, FLAG_REMOVED);
1202		1296
1203	/* Ideally, the caller figures this out. However, it complicates a lot	1297	/* Ideally, the caller figures this out. However, it complicates a lot
1204	* of areas of callers (eg, anything that uses find_free_spot would now	1298	* of areas of callers (eg, anything that uses find_free_spot would now
1205	* need extra work	1299	* need extra work
1206	*/	1300	*/
1207	op->map = get_map_from_coord (m, &op->x, &op->y);	1301	maptile *newmap = m;
1208	x = op->x;	1302	if (!xy_normalise (newmap, op->x, op->y))
1209	y = op->y;	1303	{
		1304	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
		1305	return 0;
		1306	}
		1307
		1308	if (object *more = op->more)
		1309	if (!insert_ob_in_map (more, m, originator, flag))
		1310	return 0;
		1311
		1312	op->flag [FLAG_REMOVED] = false;
		1313	op->env = 0;
		1314	op->map = newmap;
		1315
		1316	mapspace &ms = op->ms ();
1210		1317
1211	/* this has to be done after we translate the coordinates.	1318	/* this has to be done after we translate the coordinates.
1212	*/	1319	*/
1213	if (op->nrof && !(flag & INS_NO_MERGE))	1320	if (op->nrof && !(flag & INS_NO_MERGE))
1214	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)	1321	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1215	if (object::can_merge (op, tmp))	1322	if (object::can_merge (op, tmp))
1216	{	1323	{
		1324	// TODO: we actually want to update tmp, not op,
		1325	// but some caller surely breaks when we return tmp
		1326	// from here :/
1217	op->nrof += tmp->nrof;	1327	op->nrof += tmp->nrof;
1218	tmp->destroy ();	1328	tmp->destroy ();
1219	}	1329	}
1220		1330
1221	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1331	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1230	{	1340	{
1231	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1341	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1232	abort ();	1342	abort ();
1233	}	1343	}
1234		1344
		1345	if (!originator->is_on_map ())
		1346	{
		1347	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1348	op->debug_desc (), originator->debug_desc ());
		1349	abort ();
		1350	}
		1351
1235	op->above = originator;	1352	op->above = originator;
1236	op->below = originator->below;	1353	op->below = originator->below;
1237
1238	if (op->below)
1239	op->below->above = op;
1240	else
1241	op->ms ().bot = op;
1242
1243	/* since *below* originator, no need to update top */
1244	originator->below = op;	1354	originator->below = op;
		1355
		1356	*(op->below ? &op->below->above : &ms.bot) = op;
1245	}	1357	}
1246	else	1358	else
1247	{	1359	{
		1360	object *floor = 0;
		1361	object *top = ms.top;
		1362
1248	/* If there are other objects, then */	1363	/* If there are other objects, then */
1249	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1364	if (top)
1250	{	1365	{
1251	object *last = 0;
1252
1253	/*	1366	/*
1254	* If there are multiple objects on this space, we do some trickier handling.	1367	* If there are multiple objects on this space, we do some trickier handling.
1255	* We've already dealt with merging if appropriate.	1368	* We've already dealt with merging if appropriate.
1256	* Generally, we want to put the new object on top. But if	1369	* Generally, we want to put the new object on top. But if
1257	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1370	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1260	* once we get to them. This reduces the need to traverse over all of	1373	* once we get to them. This reduces the need to traverse over all of
1261	* them when adding another one - this saves quite a bit of cpu time	1374	* them when adding another one - this saves quite a bit of cpu time
1262	* when lots of spells are cast in one area. Currently, it is presumed	1375	* when lots of spells are cast in one area. Currently, it is presumed
1263	* that flying non pickable objects are spell objects.	1376	* that flying non pickable objects are spell objects.
1264	*/	1377	*/
1265	while (top)	1378	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1266	{	1379	{
1267	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1380	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1268	floor = top;	1381	floor = tmp;
1269		1382
1270	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1383	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1271	{	1384	{
1272	/* We insert above top, so we want this object below this */	1385	/* We insert above top, so we want this object below this */
1273	top = top->below;	1386	top = tmp->below;
1274	break;	1387	break;
1275	}	1388	}
1276		1389
1277	last = top;
1278	top = top->above;	1390	top = tmp;
1279	}	1391	}
1280
1281	/* Don't want top to be NULL, so set it to the last valid object */
1282	top = last;
1283		1392
1284	/* We let update_position deal with figuring out what the space	1393	/* We let update_position deal with figuring out what the space
1285	* looks like instead of lots of conditions here.	1394	* looks like instead of lots of conditions here.
1286	* makes things faster, and effectively the same result.	1395	* makes things faster, and effectively the same result.
1287	*/	1396	*/
1288		1397
1289	/* Have object 'fall below' other objects that block view.	1398	/* Have object 'fall below' other objects that block view.
1290	* Unless those objects are exits, type 66	1399	* Unless those objects are exits.
1291	* If INS_ON_TOP is used, don't do this processing	1400	* If INS_ON_TOP is used, don't do this processing
1292	* Need to find the object that in fact blocks view, otherwise	1401	* Need to find the object that in fact blocks view, otherwise
1293	* stacking is a bit odd.	1402	* stacking is a bit odd.
1294	*/	1403	*/
1295	if (!(flag & INS_ON_TOP) &&	1404	if (!(flag & INS_ON_TOP)
1296	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1405	&& ms.flags () & P_BLOCKSVIEW
		1406	&& (op->face && !faces [op->face].visibility))
1297	{	1407	{
		1408	object *last;
		1409
1298	for (last = top; last != floor; last = last->below)	1410	for (last = top; last != floor; last = last->below)
1299	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1411	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1300	break;	1412	break;
		1413
1301	/* Check to see if we found the object that blocks view,	1414	/* Check to see if we found the object that blocks view,
1302	* and make sure we have a below pointer for it so that	1415	* and make sure we have a below pointer for it so that
1303	* we can get inserted below this one, which requires we	1416	* we can get inserted below this one, which requires we
1304	* set top to the object below us.	1417	* set top to the object below us.
1305	*/	1418	*/
1306	if (last && last->below && last != floor)	1419	if (last && last->below && last != floor)
1307	top = last->below;	1420	top = last->below;
1308	}	1421	}
1309	} /* If objects on this space */	1422	} /* If objects on this space */
1310		1423
1311	if (flag & INS_MAP_LOAD)
1312	top = GET_MAP_TOP (op->map, op->x, op->y);
1313
1314	if (flag & INS_ABOVE_FLOOR_ONLY)	1424	if (flag & INS_ABOVE_FLOOR_ONLY)
1315	top = floor;	1425	top = floor;
1316		1426
1317	/* Top is the object that our object (op) is going to get inserted above.	1427	// insert object above top, or bottom-most if top = 0
1318	*/
1319
1320	/* First object on this space */
1321	if (!top)	1428	if (!top)
1322	{	1429	{
1323	op->above = GET_MAP_OB (op->map, op->x, op->y);
1324
1325	if (op->above)
1326	op->above->below = op;
1327
1328	op->below = 0;	1430	op->below = 0;
		1431	op->above = ms.bot;
1329	op->ms ().bot = op;	1432	ms.bot = op;
		1433
		1434	*(op->above ? &op->above->below : &ms.top) = op;
1330	}	1435	}
1331	else	1436	else
1332	{ /* get inserted into the stack above top */	1437	{
1333	op->above = top->above;	1438	op->above = top->above;
1334
1335	if (op->above)
1336	op->above->below = op;	1439	top->above = op;
1337		1440
1338	op->below = top;	1441	op->below = top;
1339	top->above = op;	1442	*(op->above ? &op->above->below : &ms.top) = op;
1340	}	1443	}
		1444	}
1341		1445
1342	if (!op->above)	1446	if (op->is_player ())
1343	op->ms ().top = op;
1344	} /* else not INS_BELOW_ORIGINATOR */
1345
1346	if (op->type == PLAYER)
1347	{	1447	{
1348	op->contr->do_los = 1;	1448	op->contr->do_los = 1;
1349	++op->map->players;	1449	++op->map->players;
1350	op->map->touch ();	1450	op->map->touch ();
1351	}	1451	}
1352		1452
1353	op->map->dirty = true;	1453	op->map->dirty = true;
1354		1454
1355	/* If we have a floor, we know the player, if any, will be above
1356	* it, so save a few ticks and start from there.
1357	*/
1358	if (!(flag & INS_MAP_LOAD))
1359	if (object *pl = op->ms ().player ())	1455	if (object *pl = ms.player ())
		1456	//TODO: the floorbox prev/next might need updating
		1457	//esrv_send_item (pl, op);
		1458	//TODO: update floorbox to preserve ordering
1360	if (pl->contr->ns)	1459	if (pl->contr->ns)
1361	pl->contr->ns->floorbox_update ();	1460	pl->contr->ns->floorbox_update ();
1362		1461
1363	/* If this object glows, it may affect lighting conditions that are	1462	/* If this object glows, it may affect lighting conditions that are
1364	* visible to others on this map. But update_all_los is really	1463	* visible to others on this map. But update_all_los is really
1365	* an inefficient way to do this, as it means los for all players	1464	* an inefficient way to do this, as it means los for all players
1366	* on the map will get recalculated. The players could very well	1465	* on the map will get recalculated. The players could very well
1367	* be far away from this change and not affected in any way -	1466	* be far away from this change and not affected in any way -
1368	* this should get redone to only look for players within range,	1467	* this should get redone to only look for players within range,
1369	* or just updating the P_UPTODATE for spaces within this area	1468	* or just updating the P_UPTODATE for spaces within this area
1370	* of effect may be sufficient.	1469	* of effect may be sufficient.
1371	*/	1470	*/
1372	if (op->map->darkness && (op->glow_radius != 0))	1471	if (op->affects_los ())
		1472	{
		1473	op->ms ().invalidate ();
1373	update_all_los (op->map, op->x, op->y);	1474	update_all_los (op->map, op->x, op->y);
		1475	}
1374		1476
1375	/* updates flags (blocked, alive, no magic, etc) for this map space */	1477	/* updates flags (blocked, alive, no magic, etc) for this map space */
1376	update_object (op, UP_OBJ_INSERT);	1478	update_object (op, UP_OBJ_INSERT);
1377		1479
1378	INVOKE_OBJECT (INSERT, op);	1480	INVOKE_OBJECT (INSERT, op);
…		…
1385	* blocked() and wall() work properly), and these flags are updated by	1487	* blocked() and wall() work properly), and these flags are updated by
1386	* update_object().	1488	* update_object().
1387	*/	1489	*/
1388		1490
1389	/* if this is not the head or flag has been passed, don't check walk on status */	1491	/* if this is not the head or flag has been passed, don't check walk on status */
1390	if (!(flag & INS_NO_WALK_ON) && !op->head)	1492	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1391	{	1493	{
1392	if (check_move_on (op, originator))	1494	if (check_move_on (op, originator))
1393	return 0;	1495	return 0;
1394		1496
1395	/* If we are a multi part object, lets work our way through the check	1497	/* If we are a multi part object, lets work our way through the check
1396	* walk on's.	1498	* walk on's.
1397	*/	1499	*/
1398	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1500	for (object *tmp = op->more; tmp; tmp = tmp->more)
1399	if (check_move_on (tmp, originator))	1501	if (check_move_on (tmp, originator))
1400	return 0;	1502	return 0;
1401	}	1503	}
1402		1504
1403	return op;	1505	return op;
…		…
1406	/* this function inserts an object in the map, but if it	1508	/* this function inserts an object in the map, but if it
1407	* finds an object of its own type, it'll remove that one first.	1509	* finds an object of its own type, it'll remove that one first.
1408	* op is the object to insert it under: supplies x and the map.	1510	* op is the object to insert it under: supplies x and the map.
1409	*/	1511	*/
1410	void	1512	void
1411	replace_insert_ob_in_map (const char *arch_string, object *op)	1513	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1412	{	1514	{
1413	object *tmp, *tmp1;
1414
1415	/* first search for itself and remove any old instances */	1515	/* first search for itself and remove any old instances */
1416		1516
1417	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1517	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1418	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1518	if (tmp->arch->archname == archname) /* same archetype */
1419	tmp->destroy ();	1519	tmp->destroy ();
1420		1520
1421	tmp1 = arch_to_object (archetype::find (arch_string));	1521	object *tmp = arch_to_object (archetype::find (archname));
1422		1522
1423	tmp1->x = op->x;	1523	tmp->x = op->x;
1424	tmp1->y = op->y;	1524	tmp->y = op->y;
		1525
1425	insert_ob_in_map (tmp1, op->map, op, 0);	1526	insert_ob_in_map (tmp, op->map, op, 0);
1426	}	1527	}
1427		1528
1428	object *	1529	object *
1429	object::insert_at (object *where, object *originator, int flags)	1530	object::insert_at (object *where, object *originator, int flags)
1430	{	1531	{
		1532	if (where->env)
		1533	return where->env->insert (this);
		1534	else
1431	where->map->insert (this, where->x, where->y, originator, flags);	1535	return where->map->insert (this, where->x, where->y, originator, flags);
1432	}	1536	}
1433		1537
1434	/*	1538	/*
1435	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1436	* is returned contains nr objects, and the remaining parts contains
1437	* the rest (or is removed and freed if that number is 0).
1438	* On failure, NULL is returned, and the reason put into the
1439	* global static errmsg array.
1440	*/
1441	object *
1442	get_split_ob (object *orig_ob, uint32 nr)
1443	{
1444	object *newob;
1445	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1446
1447	if (orig_ob->nrof < nr)
1448	{
1449	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1450	return NULL;
1451	}
1452
1453	newob = object_create_clone (orig_ob);
1454
1455	if ((orig_ob->nrof -= nr) < 1)
1456	orig_ob->destroy (1);
1457	else if (!is_removed)
1458	{
1459	if (orig_ob->env != NULL)
1460	sub_weight (orig_ob->env, orig_ob->weight * nr);
1461	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1462	{
1463	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1464	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1465	return NULL;
1466	}
1467	}
1468
1469	newob->nrof = nr;
1470
1471	return newob;
1472	}
1473
1474	/*
1475	* decrease_ob_nr(object, number) decreases a specified number from	1539	* decrease(object, number) decreases a specified number from
1476	* the amount of an object. If the amount reaches 0, the object	1540	* the amount of an object. If the amount reaches 0, the object
1477	* is subsequently removed and freed.	1541	* is subsequently removed and freed.
1478	*	1542	*
1479	* Return value: 'op' if something is left, NULL if the amount reached 0	1543	* Return value: 'op' if something is left, NULL if the amount reached 0
1480	*/	1544	*/
		1545	bool
		1546	object::decrease (sint32 nr)
		1547	{
		1548	if (!nr)
		1549	return true;
1481		1550
		1551	nr = min (nr, nrof);
		1552
		1553	if (nrof > nr)
		1554	{
		1555	nrof -= nr;
		1556	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1557
		1558	if (object *pl = visible_to ())
		1559	esrv_update_item (UPD_NROF, pl, this);
		1560
		1561	return true;
		1562	}
		1563	else
		1564	{
		1565	destroy ();
		1566	return false;
		1567	}
		1568	}
		1569
		1570	/*
		1571	* split(ob,nr) splits up ob into two parts. The part which
		1572	* is returned contains nr objects, and the remaining parts contains
		1573	* the rest (or is removed and returned if that number is 0).
		1574	* On failure, NULL is returned.
		1575	*/
1482	object *	1576	object *
1483	decrease_ob_nr (object *op, uint32 i)	1577	object::split (sint32 nr)
1484	{	1578	{
1485	object *tmp;	1579	int have = number_of ();
1486		1580
1487	if (i == 0) /* objects with op->nrof require this check */	1581	if (have < nr)
1488	return op;	1582	return 0;
1489		1583	else if (have == nr)
1490	if (i > op->nrof)
1491	i = op->nrof;
1492
1493	if (QUERY_FLAG (op, FLAG_REMOVED))
1494	op->nrof -= i;
1495	else if (op->env)
1496	{	1584	{
1497	/* is this object in the players inventory, or sub container
1498	* therein?
1499	*/
1500	tmp = op->in_player ();
1501	/* nope. Is this a container the player has opened?
1502	* If so, set tmp to that player.
1503	* IMO, searching through all the players will mostly
1504	* likely be quicker than following op->env to the map,
1505	* and then searching the map for a player.
1506	*/
1507	if (!tmp)
1508	for_all_players (pl)
1509	if (pl->ob->container == op->env)
1510	{
1511	tmp = pl->ob;
1512	break;
1513	}
1514
1515	if (i < op->nrof)
1516	{
1517	sub_weight (op->env, op->weight * i);
1518	op->nrof -= i;
1519	if (tmp)
1520	esrv_send_item (tmp, op);
1521	}
1522	else
1523	{
1524	op->remove ();	1585	remove ();
1525	op->nrof = 0;	1586	return this;
1526	if (tmp)
1527	esrv_del_item (tmp->contr, op->count);
1528	}
1529	}	1587	}
1530	else	1588	else
1531	{	1589	{
1532	object *above = op->above;	1590	decrease (nr);
1533		1591
1534	if (i < op->nrof)	1592	object *op = deep_clone ();
1535	op->nrof -= i;	1593	op->nrof = nr;
1536	else
1537	{
1538	op->remove ();
1539	op->nrof = 0;
1540	}
1541
1542	/* Since we just removed op, op->above is null */
1543	for (tmp = above; tmp; tmp = tmp->above)
1544	if (tmp->type == PLAYER)
1545	{
1546	if (op->nrof)
1547	esrv_send_item (tmp, op);
1548	else
1549	esrv_del_item (tmp->contr, op->count);
1550	}
1551	}
1552
1553	if (op->nrof)
1554	return op;	1594	return op;
1555	else
1556	{
1557	op->destroy ();
1558	return 0;
1559	}
1560	}
1561
1562	/*
1563	* add_weight(object, weight) adds the specified weight to an object,
1564	* and also updates how much the environment(s) is/are carrying.
1565	*/
1566
1567	void
1568	add_weight (object *op, signed long weight)
1569	{
1570	while (op != NULL)
1571	{
1572	if (op->type == CONTAINER)
1573	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1574
1575	op->carrying += weight;
1576	op = op->env;
1577	}	1595	}
1578	}	1596	}
1579		1597
1580	object *	1598	object *
1581	insert_ob_in_ob (object *op, object *where)	1599	insert_ob_in_ob (object *op, object *where)
…		…
1586	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1604	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1587	free (dump);	1605	free (dump);
1588	return op;	1606	return op;
1589	}	1607	}
1590		1608
1591	if (where->head)	1609	if (where->head_ () != where)
1592	{	1610	{
1593	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1611	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1594	where = where->head;	1612	where = where->head;
1595	}	1613	}
1596		1614
1597	return where->insert (op);	1615	return where->insert (op);
1598	}	1616	}
…		…
1603	* inside the object environment.	1621	* inside the object environment.
1604	*	1622	*
1605	* The function returns now pointer to inserted item, and return value can	1623	* The function returns now pointer to inserted item, and return value can
1606	* be != op, if items are merged. -Tero	1624	* be != op, if items are merged. -Tero
1607	*/	1625	*/
1608
1609	object *	1626	object *
1610	object::insert (object *op)	1627	object::insert (object *op)
1611	{	1628	{
1612	object *tmp, *otmp;
1613
1614	if (!QUERY_FLAG (op, FLAG_REMOVED))
1615	op->remove ();
1616
1617	if (op->more)	1629	if (op->more)
1618	{	1630	{
1619	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1631	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1620	return op;	1632	return op;
1621	}	1633	}
1622		1634
1623	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1635	op->remove ();
1624	CLEAR_FLAG (op, FLAG_REMOVED);	1636
		1637	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1638
1625	if (op->nrof)	1639	if (op->nrof)
1626	{
1627	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1640	for (object *tmp = inv; tmp; tmp = tmp->below)
1628	if (object::can_merge (tmp, op))	1641	if (object::can_merge (tmp, op))
1629	{	1642	{
1630	/* return the original object and remove inserted object	1643	/* return the original object and remove inserted object
1631	(client needs the original object) */	1644	(client needs the original object) */
1632	tmp->nrof += op->nrof;	1645	tmp->nrof += op->nrof;
1633	/* Weight handling gets pretty funky. Since we are adding to	1646
1634	* tmp->nrof, we need to increase the weight.	1647	if (object *pl = tmp->visible_to ())
1635	*/	1648	esrv_update_item (UPD_NROF, pl, tmp);
		1649
1636	add_weight (this, op->weight * op->nrof);	1650	adjust_weight (this, op->total_weight ());
1637	SET_FLAG (op, FLAG_REMOVED);	1651
1638	op->destroy (); /* free the inserted object */	1652	op->destroy ();
1639	op = tmp;	1653	op = tmp;
1640	op->remove (); /* and fix old object's links */	1654	goto inserted;
1641	CLEAR_FLAG (op, FLAG_REMOVED);
1642	break;
1643	}	1655	}
1644		1656
1645	/* I assume combined objects have no inventory	1657	op->owner = 0; // it's his/hers now. period.
1646	* We add the weight - this object could have just been removed
1647	* (if it was possible to merge). calling remove_ob will subtract
1648	* the weight, so we need to add it in again, since we actually do
1649	* the linking below
1650	*/
1651	add_weight (this, op->weight * op->nrof);
1652	}
1653	else
1654	add_weight (this, (op->weight + op->carrying));
1655
1656	otmp = this->in_player ();
1657	if (otmp && otmp->contr)
1658	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1659	otmp->update_stats ();
1660
1661	op->map = 0;	1658	op->map = 0;
1662	op->env = this;	1659	op->x = 0;
		1660	op->y = 0;
		1661
1663	op->above = 0;	1662	op->above = 0;
1664	op->below = 0;	1663	op->below = inv;
1665	op->x = 0, op->y = 0;	1664	op->env = this;
1666		1665
		1666	if (inv)
		1667	inv->above = op;
		1668
		1669	inv = op;
		1670
		1671	op->flag [FLAG_REMOVED] = 0;
		1672
		1673	if (object *pl = op->visible_to ())
		1674	esrv_send_item (pl, op);
		1675
		1676	adjust_weight (this, op->total_weight ());
		1677
		1678	inserted:
1667	/* reset the light list and los of the players on the map */	1679	/* reset the light list and los of the players on the map */
1668	if ((op->glow_radius != 0) && map)	1680	if (op->glow_radius && is_on_map ())
1669	{	1681	{
1670	#ifdef DEBUG_LIGHTS	1682	update_stats ();
1671	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1672	#endif /* DEBUG_LIGHTS */
1673	if (map->darkness)
1674	update_all_los (map, x, y);	1683	update_all_los (map, x, y);
1675	}
1676
1677	/* Client has no idea of ordering so lets not bother ordering it here.
1678	* It sure simplifies this function...
1679	*/
1680	if (!inv)
1681	inv = op;
1682	else
1683	{	1684	}
1684	op->below = inv;	1685	else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1685	op->below->above = op;	1686	// if this is a player's inventory, update stats
1686	inv = op;	1687	update_stats ();
1687	}
1688		1688
1689	INVOKE_OBJECT (INSERT, this);	1689	INVOKE_OBJECT (INSERT, this);
1690		1690
1691	return op;	1691	return op;
1692	}	1692	}
…		…
1712	* on top.	1712	* on top.
1713	*/	1713	*/
1714	int	1714	int
1715	check_move_on (object *op, object *originator)	1715	check_move_on (object *op, object *originator)
1716	{	1716	{
		1717	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1718	return 0;
		1719
1717	object *tmp;	1720	object *tmp;
1718	maptile *m = op->map;	1721	maptile *m = op->map;
1719	int x = op->x, y = op->y;	1722	int x = op->x, y = op->y;
1720		1723
1721	MoveType move_on, move_slow, move_block;	1724	mapspace &ms = m->at (x, y);
1722		1725
1723	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1726	ms.update ();
1724	return 0;
1725		1727
1726	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1728	MoveType move_on = ms.move_on;
1727	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1729	MoveType move_slow = ms.move_slow;
1728	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1730	MoveType move_block = ms.move_block;
1729		1731
1730	/* if nothing on this space will slow op down or be applied,	1732	/* if nothing on this space will slow op down or be applied,
1731	* no need to do checking below. have to make sure move_type	1733	* no need to do checking below. have to make sure move_type
1732	* is set, as lots of objects don't have it set - we treat that	1734	* is set, as lots of objects don't have it set - we treat that
1733	* as walking.	1735	* as walking.
…		…
1744	return 0;	1746	return 0;
1745		1747
1746	/* The objects have to be checked from top to bottom.	1748	/* The objects have to be checked from top to bottom.
1747	* Hence, we first go to the top:	1749	* Hence, we first go to the top:
1748	*/	1750	*/
1749		1751	for (object *next, *tmp = ms.top; tmp; tmp = next)
1750	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1751	{
1752	/* Trim the search when we find the first other spell effect
1753	* this helps performance so that if a space has 50 spell objects,
1754	* we don't need to check all of them.
1755	*/
1756	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1757	break;
1758	}	1752	{
		1753	next = tmp->below;
1759		1754
1760	for (; tmp; tmp = tmp->below)
1761	{
1762	if (tmp == op)	1755	if (tmp == op)
1763	continue; /* Can't apply yourself */	1756	continue; /* Can't apply yourself */
1764		1757
1765	/* Check to see if one of the movement types should be slowed down.	1758	/* Check to see if one of the movement types should be slowed down.
1766	* Second check makes sure that the movement types not being slowed	1759	* Second check makes sure that the movement types not being slowed
…		…
1771	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1764	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1772	{	1765	{
1773	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1766	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1774	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1767	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1775	{	1768	{
1776
1777	float
1778	diff = tmp->move_slow_penalty * FABS (op->speed);	1769	float diff = tmp->move_slow_penalty * fabs (op->speed);
1779		1770
1780	if (op->type == PLAYER)	1771	if (op->is_player ())
1781	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1772	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1782	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1773	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1783	diff /= 4.0;	1774	diff /= 4.0;
1784		1775
1785	op->speed_left -= diff;	1776	op->speed_left -= diff;
1786	}	1777	}
1787	}	1778	}
…		…
1820	LOG (llevError, "Present_arch called outside map.\n");	1811	LOG (llevError, "Present_arch called outside map.\n");
1821	return NULL;	1812	return NULL;
1822	}	1813	}
1823		1814
1824	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1815	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1825	if (tmp->arch == at)	1816	if (tmp->arch->archname == at->archname)
1826	return tmp;	1817	return tmp;
1827		1818
1828	return NULL;	1819	return NULL;
1829	}	1820	}
1830		1821
…		…
1894	* The first matching object is returned, or NULL if none.	1885	* The first matching object is returned, or NULL if none.
1895	*/	1886	*/
1896	object *	1887	object *
1897	present_arch_in_ob (const archetype *at, const object *op)	1888	present_arch_in_ob (const archetype *at, const object *op)
1898	{	1889	{
1899	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1890	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1900	if (tmp->arch == at)	1891	if (tmp->arch->archname == at->archname)
1901	return tmp;	1892	return tmp;
1902		1893
1903	return NULL;	1894	return NULL;
1904	}	1895	}
1905		1896
…		…
1907	* activate recursively a flag on an object inventory	1898	* activate recursively a flag on an object inventory
1908	*/	1899	*/
1909	void	1900	void
1910	flag_inv (object *op, int flag)	1901	flag_inv (object *op, int flag)
1911	{	1902	{
1912	if (op->inv)
1913	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1903	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1914	{	1904	{
1915	SET_FLAG (tmp, flag);	1905	SET_FLAG (tmp, flag);
1916	flag_inv (tmp, flag);	1906	flag_inv (tmp, flag);
1917	}	1907	}
1918	}	1908	}
1919		1909
1920	/*	1910	/*
1921	* deactivate recursively a flag on an object inventory	1911	* deactivate recursively a flag on an object inventory
1922	*/	1912	*/
1923	void	1913	void
1924	unflag_inv (object *op, int flag)	1914	unflag_inv (object *op, int flag)
1925	{	1915	{
1926	if (op->inv)
1927	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1916	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1928	{	1917	{
1929	CLEAR_FLAG (tmp, flag);	1918	CLEAR_FLAG (tmp, flag);
1930	unflag_inv (tmp, flag);	1919	unflag_inv (tmp, flag);
1931	}	1920	}
1932	}
1933
1934	/*
1935	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1936	* all it's inventory (recursively).
1937	* If checksums are used, a player will get set_cheat called for
1938	* him/her-self and all object carried by a call to this function.
1939	*/
1940	void
1941	set_cheat (object *op)
1942	{
1943	SET_FLAG (op, FLAG_WAS_WIZ);
1944	flag_inv (op, FLAG_WAS_WIZ);
1945	}	1921	}
1946		1922
1947	/*	1923	/*
1948	* find_free_spot(object, map, x, y, start, stop) will search for	1924	* find_free_spot(object, map, x, y, start, stop) will search for
1949	* a spot at the given map and coordinates which will be able to contain	1925	* a spot at the given map and coordinates which will be able to contain
…		…
1951	* to search (see the freearr_x/y[] definition).	1927	* to search (see the freearr_x/y[] definition).
1952	* It returns a random choice among the alternatives found.	1928	* It returns a random choice among the alternatives found.
1953	* start and stop are where to start relative to the free_arr array (1,9	1929	* start and stop are where to start relative to the free_arr array (1,9
1954	* does all 4 immediate directions). This returns the index into the	1930	* does all 4 immediate directions). This returns the index into the
1955	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1931	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1956	* Note - this only checks to see if there is space for the head of the
1957	* object - if it is a multispace object, this should be called for all
1958	* pieces.
1959	* Note2: This function does correctly handle tiled maps, but does not	1932	* Note: This function does correctly handle tiled maps, but does not
1960	* inform the caller. However, insert_ob_in_map will update as	1933	* inform the caller. However, insert_ob_in_map will update as
1961	* necessary, so the caller shouldn't need to do any special work.	1934	* necessary, so the caller shouldn't need to do any special work.
1962	* Note - updated to take an object instead of archetype - this is necessary	1935	* Note - updated to take an object instead of archetype - this is necessary
1963	* because arch_blocked (now ob_blocked) needs to know the movement type	1936	* because arch_blocked (now ob_blocked) needs to know the movement type
1964	* to know if the space in question will block the object. We can't use	1937	* to know if the space in question will block the object. We can't use
…		…
1966	* customized, changed states, etc.	1939	* customized, changed states, etc.
1967	*/	1940	*/
1968	int	1941	int
1969	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1942	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1970	{	1943	{
		1944	int altern[SIZEOFFREE];
1971	int index = 0, flag;	1945	int index = 0, flag;
1972	int altern[SIZEOFFREE];
1973		1946
1974	for (int i = start; i < stop; i++)	1947	for (int i = start; i < stop; i++)
1975	{	1948	{
1976	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1949	mapxy pos (m, x, y); pos.move (i);
1977	if (!flag)	1950
		1951	if (!pos.normalise ())
		1952	continue;
		1953
		1954	mapspace &ms = *pos;
		1955
		1956	if (ms.flags () & P_IS_ALIVE)
		1957	continue;
		1958
		1959	/* However, often
		1960	* ob doesn't have any move type (when used to place exits)
		1961	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1962	*/
		1963	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1964	{
1978	altern [index++] = i;	1965	altern [index++] = i;
		1966	continue;
		1967	}
1979		1968
1980	/* Basically, if we find a wall on a space, we cut down the search size.	1969	/* Basically, if we find a wall on a space, we cut down the search size.
1981	* In this way, we won't return spaces that are on another side of a wall.	1970	* In this way, we won't return spaces that are on another side of a wall.
1982	* This mostly work, but it cuts down the search size in all directions -	1971	* This mostly work, but it cuts down the search size in all directions -
1983	* if the space being examined only has a wall to the north and empty	1972	* if the space being examined only has a wall to the north and empty
1984	* spaces in all the other directions, this will reduce the search space	1973	* spaces in all the other directions, this will reduce the search space
1985	* to only the spaces immediately surrounding the target area, and	1974	* to only the spaces immediately surrounding the target area, and
1986	* won't look 2 spaces south of the target space.	1975	* won't look 2 spaces south of the target space.
1987	*/	1976	*/
1988	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1977	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1978	{
1989	stop = maxfree[i];	1979	stop = maxfree[i];
		1980	continue;
		1981	}
		1982
		1983	/* Note it is intentional that we check ob - the movement type of the
		1984	* head of the object should correspond for the entire object.
		1985	*/
		1986	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1987	continue;
		1988
		1989	if (ob->blocked (pos.m, pos.x, pos.y))
		1990	continue;
		1991
		1992	altern [index++] = i;
1990	}	1993	}
1991		1994
1992	if (!index)	1995	if (!index)
1993	return -1;	1996	return -1;
1994		1997
1995	return altern[RANDOM () % index];	1998	return altern [rndm (index)];
1996	}	1999	}
1997		2000
1998	/*	2001	/*
1999	* find_first_free_spot(archetype, maptile, x, y) works like	2002	* find_first_free_spot(archetype, maptile, x, y) works like
2000	* find_free_spot(), but it will search max number of squares.	2003	* find_free_spot(), but it will search max number of squares.
…		…
2003	*/	2006	*/
2004	int	2007	int
2005	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2008	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2006	{	2009	{
2007	for (int i = 0; i < SIZEOFFREE; i++)	2010	for (int i = 0; i < SIZEOFFREE; i++)
2008	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2011	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2009	return i;	2012	return i;
2010		2013
2011	return -1;	2014	return -1;
2012	}	2015	}
2013		2016
…		…
2021	{	2024	{
2022	arr += begin;	2025	arr += begin;
2023	end -= begin;	2026	end -= begin;
2024		2027
2025	while (--end)	2028	while (--end)
2026	swap (arr [end], arr [RANDOM () % (end + 1)]);	2029	swap (arr [end], arr [rndm (end + 1)]);
2027	}	2030	}
2028		2031
2029	/* new function to make monster searching more efficient, and effective!	2032	/* new function to make monster searching more efficient, and effective!
2030	* This basically returns a randomized array (in the passed pointer) of	2033	* This basically returns a randomized array (in the passed pointer) of
2031	* the spaces to find monsters. In this way, it won't always look for	2034	* the spaces to find monsters. In this way, it won't always look for
…		…
2059	* there is capable of.	2062	* there is capable of.
2060	*/	2063	*/
2061	int	2064	int
2062	find_dir (maptile *m, int x, int y, object *exclude)	2065	find_dir (maptile *m, int x, int y, object *exclude)
2063	{	2066	{
2064	int i, max = SIZEOFFREE, mflags;	2067	int max = SIZEOFFREE, mflags;
2065
2066	sint16 nx, ny;
2067	object *tmp;
2068	maptile *mp;
2069
2070	MoveType blocked, move_type;	2068	MoveType move_type;
2071		2069
2072	if (exclude && exclude->head)	2070	if (exclude && exclude->head_ () != exclude)
2073	{	2071	{
2074	exclude = exclude->head;	2072	exclude = exclude->head;
2075	move_type = exclude->move_type;	2073	move_type = exclude->move_type;
2076	}	2074	}
2077	else	2075	else
2078	{	2076	{
2079	/* If we don't have anything, presume it can use all movement types. */	2077	/* If we don't have anything, presume it can use all movement types. */
2080	move_type = MOVE_ALL;	2078	move_type = MOVE_ALL;
2081	}	2079	}
2082		2080
2083	for (i = 1; i < max; i++)	2081	for (int i = 1; i < max; i++)
2084	{	2082	{
2085	mp = m;	2083	mapxy pos (m, x, y);
2086	nx = x + freearr_x[i];	2084	pos.move (i);
2087	ny = y + freearr_y[i];
2088		2085
2089	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2086	if (!pos.normalise ())
2090
2091	if (mflags & P_OUT_OF_MAP)
2092	max = maxfree[i];	2087	max = maxfree[i];
2093	else	2088	else
2094	{	2089	{
2095	mapspace &ms = mp->at (nx, ny);	2090	mapspace &ms = *pos;
2096		2091
2097	blocked = ms.move_block;
2098
2099	if ((move_type & blocked) == move_type)	2092	if ((move_type & ms.move_block) == move_type)
2100	max = maxfree[i];	2093	max = maxfree [i];
2101	else if (mflags & P_IS_ALIVE)	2094	else if (ms.flags () & P_IS_ALIVE)
2102	{	2095	{
2103	for (tmp = ms.bot; tmp; tmp = tmp->above)	2096	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2104	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2097	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2105	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2098	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2106	break;
2107
2108	if (tmp)
2109	return freedir[i];	2099	return freedir [i];
2110	}	2100	}
2111	}	2101	}
2112	}	2102	}
2113		2103
2114	return 0;	2104	return 0;
…		…
2165		2155
2166	return 3;	2156	return 3;
2167	}	2157	}
2168		2158
2169	/*	2159	/*
2170	* absdir(int): Returns a number between 1 and 8, which represent
2171	* the "absolute" direction of a number (it actually takes care of
2172	* "overflow" in previous calculations of a direction).
2173	*/
2174
2175	int
2176	absdir (int d)
2177	{
2178	while (d < 1)
2179	d += 8;
2180
2181	while (d > 8)
2182	d -= 8;
2183
2184	return d;
2185	}
2186
2187	/*
2188	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2160	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2189	* between two directions (which are expected to be absolute (see absdir())	2161	* between two directions (which are expected to be absolute (see absdir())
2190	*/	2162	*/
2191
2192	int	2163	int
2193	dirdiff (int dir1, int dir2)	2164	dirdiff (int dir1, int dir2)
2194	{	2165	{
2195	int d;	2166	int d;
2196		2167
…		…
2208	* This basically means that if direction is 15, then it could either go	2179	* This basically means that if direction is 15, then it could either go
2209	* direction 4, 14, or 16 to get back to where we are.	2180	* direction 4, 14, or 16 to get back to where we are.
2210	* Moved from spell_util.c to object.c with the other related direction	2181	* Moved from spell_util.c to object.c with the other related direction
2211	* functions.	2182	* functions.
2212	*/	2183	*/
2213	int reduction_dir[SIZEOFFREE][3] = {	2184	const int reduction_dir[SIZEOFFREE][3] = {
2214	{0, 0, 0}, /* 0 */	2185	{0, 0, 0}, /* 0 */
2215	{0, 0, 0}, /* 1 */	2186	{0, 0, 0}, /* 1 */
2216	{0, 0, 0}, /* 2 */	2187	{0, 0, 0}, /* 2 */
2217	{0, 0, 0}, /* 3 */	2188	{0, 0, 0}, /* 3 */
2218	{0, 0, 0}, /* 4 */	2189	{0, 0, 0}, /* 4 */
…		…
2309	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2280	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2310	* core dumps if they do.	2281	* core dumps if they do.
2311	*	2282	*
2312	* Add a check so we can't pick up invisible objects (0.93.8)	2283	* Add a check so we can't pick up invisible objects (0.93.8)
2313	*/	2284	*/
2314
2315	int	2285	int
2316	can_pick (const object *who, const object *item)	2286	can_pick (const object *who, const object *item)
2317	{	2287	{
2318	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2288	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2319	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2289	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2320	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2290	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2321	}	2291	}
2322		2292
2323	/*	2293	/*
2324	* create clone from object to another	2294	* create clone from object to another
2325	*/	2295	*/
2326	object *	2296	object *
2327	object_create_clone (object *asrc)	2297	object::deep_clone ()
2328	{	2298	{
2329	object *dst = 0, *tmp, *src, *part, *prev, *item;	2299	assert (("deep_clone called on non-head object", is_head ()));
2330		2300
2331	if (!asrc)	2301	object *dst = clone ();
2332	return 0;
2333		2302
2334	src = asrc;	2303	object *prev = dst;
2335	if (src->head)
2336	src = src->head;
2337
2338	prev = 0;
2339	for (part = src; part; part = part->more)	2304	for (object *part = this->more; part; part = part->more)
2340	{	2305	{
2341	tmp = part->clone ();	2306	object *tmp = part->clone ();
2342	tmp->x -= src->x;
2343	tmp->y -= src->y;
2344
2345	if (!part->head)
2346	{
2347	dst = tmp;
2348	tmp->head = 0;
2349	}
2350	else
2351	tmp->head = dst;	2307	tmp->head = dst;
2352
2353	tmp->more = 0;
2354
2355	if (prev)
2356	prev->more = tmp;	2308	prev->more = tmp;
2357
2358	prev = tmp;	2309	prev = tmp;
2359	}	2310	}
2360		2311
2361	for (item = src->inv; item; item = item->below)	2312	for (object *item = inv; item; item = item->below)
2362	insert_ob_in_ob (object_create_clone (item), dst);	2313	insert_ob_in_ob (item->deep_clone (), dst);
2363		2314
2364	return dst;	2315	return dst;
2365	}
2366
2367	/* GROS - Creates an object using a string representing its content. */
2368	/* Basically, we save the content of the string to a temp file, then call */
2369	/* load_object on it. I admit it is a highly inefficient way to make things, */
2370	/* but it was simple to make and allows reusing the load_object function. */
2371	/* Remember not to use load_object_str in a time-critical situation. */
2372	/* Also remember that multiparts objects are not supported for now. */
2373	object *
2374	load_object_str (const char *obstr)
2375	{
2376	object *op;
2377	char filename[MAX_BUF];
2378
2379	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2380
2381	FILE *tempfile = fopen (filename, "w");
2382
2383	if (tempfile == NULL)
2384	{
2385	LOG (llevError, "Error - Unable to access load object temp file\n");
2386	return NULL;
2387	}
2388
2389	fprintf (tempfile, obstr);
2390	fclose (tempfile);
2391
2392	op = object::create ();
2393
2394	object_thawer thawer (filename);
2395
2396	if (thawer)
2397	load_object (thawer, op, 0);
2398
2399	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2400	CLEAR_FLAG (op, FLAG_REMOVED);
2401
2402	return op;
2403	}	2316	}
2404		2317
2405	/* This returns the first object in who's inventory that	2318	/* This returns the first object in who's inventory that
2406	* has the same type and subtype match.	2319	* has the same type and subtype match.
2407	* returns NULL if no match.	2320	* returns NULL if no match.
…		…
2414	return tmp;	2327	return tmp;
2415		2328
2416	return 0;	2329	return 0;
2417	}	2330	}
2418		2331
2419	/* If ob has a field named key, return the link from the list,	2332	shstr_tmp
2420	* otherwise return NULL.	2333	object::kv_get (shstr_tmp key) const
2421	*
2422	* key must be a passed in shared string - otherwise, this won't
2423	* do the desired thing.
2424	*/
2425	key_value *
2426	get_ob_key_link (const object *ob, const char *key)
2427	{	2334	{
2428	for (key_value *link = ob->key_values; link; link = link->next)	2335	for (key_value *kv = key_values; kv; kv = kv->next)
2429	if (link->key == key)	2336	if (kv->key == key)
2430	return link;
2431
2432	return 0;
2433	}
2434
2435	/*
2436	* Returns the value of op has an extra_field for key, or NULL.
2437	*
2438	* The argument doesn't need to be a shared string.
2439	*
2440	* The returned string is shared.
2441	*/
2442	const char *
2443	get_ob_key_value (const object *op, const char *const key)
2444	{
2445	key_value *link;
2446	shstr_cmp canonical_key (key);
2447
2448	if (!canonical_key)
2449	{
2450	/* 1. There being a field named key on any object
2451	* implies there'd be a shared string to find.
2452	* 2. Since there isn't, no object has this field.
2453	* 3. Therefore, *this* object doesn't have this field.
2454	*/
2455	return 0;
2456	}
2457
2458	/* This is copied from get_ob_key_link() above -
2459	* only 4 lines, and saves the function call overhead.
2460	*/
2461	for (link = op->key_values; link; link = link->next)
2462	if (link->key == canonical_key)
2463	return link->value;	2337	return kv->value;
2464		2338
2465	return 0;	2339	return shstr ();
2466	}	2340	}
2467		2341
2468		2342	void
2469	/*	2343	object::kv_set (shstr_tmp key, shstr_tmp value)
2470	* Updates the canonical_key in op to value.
2471	*
2472	* canonical_key is a shared string (value doesn't have to be).
2473	*
2474	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2475	* keys.
2476	*
2477	* Returns TRUE on success.
2478	*/
2479	int
2480	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2481	{	2344	{
2482	key_value *field = NULL, *last = NULL;	2345	for (key_value *kv = key_values; kv; kv = kv->next)
2483		2346	if (kv->key == key)
2484	for (field = op->key_values; field != NULL; field = field->next)
2485	{
2486	if (field->key != canonical_key)
2487	{	2347	{
2488	last = field;	2348	kv->value = value;
2489	continue;	2349	return;
2490	}	2350	}
2491		2351
2492	if (value)	2352	key_value *kv = new key_value;
2493	field->value = value;	2353
2494	else	2354	kv->next = key_values;
		2355	kv->key = key;
		2356	kv->value = value;
		2357
		2358	key_values = kv;
		2359	}
		2360
		2361	void
		2362	object::kv_del (shstr_tmp key)
		2363	{
		2364	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2365	if ((*kvp)->key == key)
2495	{	2366	{
2496	/* Basically, if the archetype has this key set,	2367	key_value *kv = *kvp;
2497	* we need to store the null value so when we save	2368	*kvp = (*kvp)->next;
2498	* it, we save the empty value so that when we load,	2369	delete kv;
2499	* we get this value back again.	2370	return;
2500	*/
2501	if (get_ob_key_link (&op->arch->clone, canonical_key))
2502	field->value = 0;
2503	else
2504	{
2505	if (last)
2506	last->next = field->next;
2507	else
2508	op->key_values = field->next;
2509
2510	delete field;
2511	}
2512	}	2371	}
2513	return TRUE;
2514	}
2515	/* IF we get here, key doesn't exist */
2516
2517	/* No field, we'll have to add it. */
2518
2519	if (!add_key)
2520	return FALSE;
2521
2522	/* There isn't any good reason to store a null
2523	* value in the key/value list. If the archetype has
2524	* this key, then we should also have it, so shouldn't
2525	* be here. If user wants to store empty strings,
2526	* should pass in ""
2527	*/
2528	if (value == NULL)
2529	return TRUE;
2530
2531	field = new key_value;
2532
2533	field->key = canonical_key;
2534	field->value = value;
2535	/* Usual prepend-addition. */
2536	field->next = op->key_values;
2537	op->key_values = field;
2538
2539	return TRUE;
2540	}
2541
2542	/*
2543	* Updates the key in op to value.
2544	*
2545	* If add_key is FALSE, this will only update existing keys,
2546	* and not add new ones.
2547	* In general, should be little reason FALSE is ever passed in for add_key
2548	*
2549	* Returns TRUE on success.
2550	*/
2551	int
2552	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2553	{
2554	shstr key_ (key);
2555
2556	return set_ob_key_value_s (op, key_, value, add_key);
2557	}	2372	}
2558		2373
2559	object::depth_iterator::depth_iterator (object *container)	2374	object::depth_iterator::depth_iterator (object *container)
2560	: iterator_base (container)	2375	: iterator_base (container)
2561	{	2376	{
…		…
2574	item = item->inv;	2389	item = item->inv;
2575	}	2390	}
2576	else	2391	else
2577	item = item->env;	2392	item = item->env;
2578	}	2393	}
2579
2580		2394
2581	const char *	2395	const char *
2582	object::flag_desc (char *desc, int len) const	2396	object::flag_desc (char *desc, int len) const
2583	{	2397	{
2584	char *p = desc;	2398	char *p = desc;
…		…
2612	{	2426	{
2613	char flagdesc[512];	2427	char flagdesc[512];
2614	char info2[256 * 4];	2428	char info2[256 * 4];
2615	char *p = info;	2429	char *p = info;
2616		2430
2617	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",	2431	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2618	count, uuid.seq,	2432	count,
		2433	uuid.c_str (),
2619	&name,	2434	&name,
2620	title ? "\",title:" : "",	2435	title ? ",title:\"" : "",
2621	title ? (const char *)title : "",	2436	title ? (const char *)title : "",
		2437	title ? "\"" : "",
2622	flag_desc (flagdesc, 512), type);	2438	flag_desc (flagdesc, 512), type);
2623		2439
2624	if (env)	2440	if (!flag[FLAG_REMOVED] && env)
2625	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2441	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2626		2442
2627	if (map)	2443	if (map)
2628	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2444	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2629		2445
…		…
2631	}	2447	}
2632		2448
2633	const char *	2449	const char *
2634	object::debug_desc () const	2450	object::debug_desc () const
2635	{	2451	{
2636	static char info[256 * 4];	2452	static char info[3][256 * 4];
		2453	static int info_idx;
		2454
2637	return debug_desc (info);	2455	return debug_desc (info [++info_idx % 3]);
2638	}	2456	}
2639		2457
		2458	struct region *
		2459	object::region () const
		2460	{
		2461	return map ? map->region (x, y)
		2462	: region::default_region ();
		2463	}
		2464
		2465	const materialtype_t *
		2466	object::dominant_material () const
		2467	{
		2468	if (materialtype_t *mt = name_to_material (materialname))
		2469	return mt;
		2470
		2471	return name_to_material (shstr_unknown);
		2472	}
		2473
		2474	void
		2475	object::open_container (object *new_container)
		2476	{
		2477	if (container == new_container)
		2478	return;
		2479
		2480	object *old_container = container;
		2481
		2482	if (old_container)
		2483	{
		2484	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2485	return;
		2486
		2487	#if 0
		2488	// remove the "Close old_container" object.
		2489	if (object *closer = old_container->inv)
		2490	if (closer->type == CLOSE_CON)
		2491	closer->destroy ();
		2492	#endif
		2493
		2494	// make sure the container is available
		2495	esrv_send_item (this, old_container);
		2496
		2497	old_container->flag [FLAG_APPLIED] = false;
		2498	container = 0;
		2499
		2500	// client needs item update to make it work, client bug requires this to be separate
		2501	esrv_update_item (UPD_FLAGS, this, old_container);
		2502
		2503	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2504	play_sound (sound_find ("chest_close"));
		2505	}
		2506
		2507	if (new_container)
		2508	{
		2509	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2510	return;
		2511
		2512	// TODO: this does not seem to serve any purpose anymore?
		2513	#if 0
		2514	// insert the "Close Container" object.
		2515	if (archetype *closer = new_container->other_arch)
		2516	{
		2517	object *closer = arch_to_object (new_container->other_arch);
		2518	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2519	new_container->insert (closer);
		2520	}
		2521	#endif
		2522
		2523	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2524
		2525	// make sure the container is available, client bug requires this to be separate
		2526	esrv_send_item (this, new_container);
		2527
		2528	new_container->flag [FLAG_APPLIED] = true;
		2529	container = new_container;
		2530
		2531	// client needs flag change
		2532	esrv_update_item (UPD_FLAGS, this, new_container);
		2533	esrv_send_inventory (this, new_container);
		2534	play_sound (sound_find ("chest_open"));
		2535	}
		2536	// else if (!old_container->env && contr && contr->ns)
		2537	// contr->ns->floorbox_reset ();
		2538	}
		2539
		2540	object *
		2541	object::force_find (shstr_tmp name)
		2542	{
		2543	/* cycle through his inventory to look for the MARK we want to
		2544	* place
		2545	*/
		2546	for (object *tmp = inv; tmp; tmp = tmp->below)
		2547	if (tmp->type == FORCE && tmp->slaying == name)
		2548	return splay (tmp);
		2549
		2550	return 0;
		2551	}
		2552
		2553	void
		2554	object::force_set_timer (int duration)
		2555	{
		2556	this->duration = 1;
		2557	this->speed_left = -1.f;
		2558
		2559	this->set_speed (duration ? 1.f / duration : 0.f);
		2560	}
		2561
		2562	object *
		2563	object::force_add (shstr_tmp name, int duration)
		2564	{
		2565	if (object *force = force_find (name))
		2566	force->destroy ();
		2567
		2568	object *force = get_archetype (FORCE_NAME);
		2569
		2570	force->slaying = name;
		2571
		2572	force->force_set_timer (duration);
		2573
		2574	force->flag [FLAG_APPLIED] = true;
		2575
		2576	return insert (force);
		2577	}
		2578
		2579	void
		2580	object::play_sound (faceidx sound) const
		2581	{
		2582	if (!sound)
		2583	return;
		2584
		2585	if (is_on_map ())
		2586	map->play_sound (sound, x, y);
		2587	else if (object *pl = in_player ())
		2588	pl->contr->play_sound (sound);
		2589	}
		2590
		2591	void
		2592	object::say_msg (const char *msg) const
		2593	{
		2594	if (is_on_map ())
		2595	map->say_msg (msg, x, y);
		2596	else if (object *pl = in_player ())
		2597	pl->contr->play_sound (sound);
		2598	}
		2599
		2600	void
		2601	object::make_noise ()
		2602	{
		2603	// we do not model noise in the map, so instead put
		2604	// a temporary light into the noise source
		2605	// could use the map instead, but that's less reliable for our
		2606	// goal, which is to make invisibility a bit harder to exploit
		2607
		2608	// currently only works sensibly for players
		2609	if (!is_player ())
		2610	return;
		2611
		2612	// find old force, or create new one
		2613	object *force = force_find (shstr_noise_force);
		2614
		2615	if (force)
		2616	force->speed_left = -1.f; // patch old speed up
		2617	else
		2618	{
		2619	force = archetype::get (shstr_noise_force);
		2620
		2621	force->slaying = shstr_noise_force;
		2622	force->stats.food = 1;
		2623	force->speed_left = -1.f;
		2624
		2625	force->set_speed (1.f / 4.f);
		2626	force->flag [FLAG_IS_USED_UP] = true;
		2627	force->flag [FLAG_APPLIED] = true;
		2628
		2629	insert (force);
		2630	}
		2631	}
		2632

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