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Comparing deliantra/server/common/object.C (file contents):
Revision 1.111 by root, Mon Jan 8 01:19:02 2007 UTC vs.
Revision 1.294 by root, Thu Nov 5 15:43:21 2009 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
4	Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7		7	*
8	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	(at your option) any later version.	11	* option) any later version.
12		12	*
13	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU General Public License for more details.	16	* GNU General Public License for more details.
17		17	*
18	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
19	along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
21		21	*
22	The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	23	*/
24		24
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	25	#include <global.h>
29	#include <stdio.h>	26	#include <stdio.h>
30	#include <sys/types.h>	27	#include <sys/types.h>
31	#include <sys/uio.h>	28	#include <sys/uio.h>
32	#include <object.h>	29	#include <object.h>
33	#include <funcpoint.h>	30	#include <sproto.h>
34	#include <loader.h>	31	#include <loader.h>
35		32
36	#include <bitset>	33	#include <bitset>
37		34
38	int nrofallocobjects = 0;	35	UUID UUID::cur;
39	static UUID uuid;	36	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
		38	uint32_t mapspace::smellcount = 10000;
41		39
42	objectvec objects;	40	objectvec objects;
43	activevec actives;	41	activevec actives;
44		42
45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	43	//+GPL
		44
		45	short freearr_x[SIZEOFFREE] = {
		46	0,
		47	0, 1, 1, 1, 0, -1, -1, -1,
		48	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	49	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
47	};	50	};
48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	51	short freearr_y[SIZEOFFREE] = {
		52	0,
		53	-1, -1, 0, 1, 1, 1, 0, -1,
		54	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
49	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	55	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50	};	56	};
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,	57	int maxfree[SIZEOFFREE] = {
		58	0,
		59	9, 10, 13, 14, 17, 18, 21, 22,
		60	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	61	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	};	62	};
54	int freedir[SIZEOFFREE] = {	63	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,	64	0,
		65	1, 2, 3, 4, 5, 6, 7, 8,
		66	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	67	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	};	68	};
58		69
59	static void	70	static void
60	write_uuid (void)	71	write_uuid (uval64 skip, bool sync)
61	{	72	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	73	CALL_BEGIN (2);
63		74	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	75	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	76	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		77	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	}	78	}
79		79
80	static void	80	static void
81	read_uuid (void)	81	read_uuid (void)
82	{	82	{
83	char filename[MAX_BUF];	83	char filename[MAX_BUF];
84		84
85	sprintf (filename, "%s/uuid", settings.localdir);	85	sprintf (filename, "%s/uuid", settings.localdir);
		86
		87	seq_next_save = 0;
86		88
87	FILE *fp;	89	FILE *fp;
88		90
89	if (!(fp = fopen (filename, "r")))	91	if (!(fp = fopen (filename, "r")))
90	{	92	{
91	if (errno == ENOENT)	93	if (errno == ENOENT)
92	{	94	{
93	LOG (llevInfo, "RESET uid to 1\n");	95	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	96	UUID::cur.seq = 0;
95	write_uuid ();	97	write_uuid (UUID_GAP, true);
96	return;	98	return;
97	}	99	}
98		100
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	101	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	102	_exit (1);
101	}	103	}
102		104
103	int version;	105	UUID::BUF buf;
104	unsigned long long uid;	106	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	107	fgets (buf, sizeof (buf), fp);
		108
		109	if (!UUID::cur.parse (buf))
106	{	110	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	111	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	112	_exit (1);
109	}	113	}
110		114
111	uuid.seq = uid;	115	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	116
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	117	write_uuid (UUID_GAP, true);
114	fclose (fp);	118	fclose (fp);
115	}	119	}
116		120
117	UUID	121	UUID
118	gen_uuid ()	122	UUID::gen ()
119	{	123	{
120	UUID uid;	124	UUID uid;
121		125
122	uid.seq = ++uuid.seq;	126	uid.seq = ++cur.seq;
123		127
124	if (!(uuid.seq & (UUID_SKIP - 1)))	128	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	129	{
		130	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		131	write_uuid (UUID_GAP, false);
		132	}
		133
126		134
127	return uid;	135	return uid;
128	}	136	}
129		137
130	void	138	void
131	init_uuid ()	139	UUID::init ()
132	{	140	{
133	read_uuid ();	141	read_uuid ();
134	}	142	}
135		143
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	144	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	145	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	146	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	147	{
140	key_value *wants_field;
141
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	148	/* 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	149	* objects with lists are rare, and lists stay short. If not, use a
144	* different structure or at least keep the lists sorted...	150	* different structure or at least keep the lists sorted...
145	*/	151	*/
146		152
147	/* For each field in wants, */	153	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	154	for (key_value *kv = wants->key_values; kv; kv = kv->next)
149	{	155	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	156	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		157
171	/* If we get here, every field in wants has a matching field in has. */	158	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	159	return true;
173	}	160	}
174		161
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	162	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	163	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	164	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	165	{
179	/* However, there may be fields in has which aren't partnered in wants,	166	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	167	* so we need to run the comparison *twice*. :(
181	*/	168	*/
182	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	169	return compare_ob_value_lists_one (ob1, ob2)
		170	&& compare_ob_value_lists_one (ob2, ob1);
183	}	171	}
184		172
185	/* Function examines the 2 objects given to it, and returns true if	173	/* Function examines the 2 objects given to it, and returns true if
186	* they can be merged together.	174	* they can be merged together.
187	*	175	*
…		…
202	|| ob1->speed != ob2->speed	190	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	191	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	192	|| ob1->name != ob2->name)
205	return 0;	193	return 0;
206		194
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	195	/* Do not merge objects if nrof would overflow, assume nrof
209	* value could not be stored in a sint32 (which unfortunately sometimes is	196	* is always 0 .. 2**31-1 */
210	* used to store nrof).	197	if (ob1->nrof > 0x7fffffff - ob2->nrof)
211	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
213	return 0;	198	return 0;
214		199
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	200	/* 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	201	* 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	202	* 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	203	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	204	* flags lose any meaning.
220	*/	205	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	206	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	207	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		208
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	209	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	210	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		211
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	212	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	213	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	214	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	215	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	216	|| 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	217	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	218	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	219	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	220	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	221	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	222	|| ob1->animation_id != ob2->animation_id
		223	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
241	|| ob1->client_type != ob2->client_type	224	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	225	|| ob1->materialname != ob2->materialname
243	|| ob1->lore != ob2->lore	226	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	227	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	228	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	229	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	230	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	231	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	232	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	233	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	234	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		235	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		236	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	237	return 0;
253		238
		239	if ((ob1->flag ^ ob2->flag)
		240	.reset (FLAG_INV_LOCKED)
		241	.reset (FLAG_REMOVED)
		242	.any ())
		243	return 0;
		244
254	/* This is really a spellbook check - really, we should	245	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	246	* not merge objects with real inventories, as splitting them
		247	* is hard.
256	*/	248	*/
257	if (ob1->inv || ob2->inv)	249	if (ob1->inv || ob2->inv)
258	{	250	{
259	/* if one object has inventory but the other doesn't, not equiv */	251	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	252	return 0; /* inventories differ in length */
261	return 0;
262		253
263	/* Now check to see if the two inventory objects could merge */	254	if (ob1->inv->below || ob2->inv->below)
		255	return 0; /* more than one object in inv */
		256
264	if (!object::can_merge (ob1->inv, ob2->inv))	257	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	258	return 0; /* inventory objects differ */
266		259
267	/* inventory ok - still need to check rest of this object to see	260	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	261	* if it is valid.
269	*/	262	*/
270	}	263	}
…		…
289	if (ob1->level != ob2->level)	282	if (ob1->level != ob2->level)
290	return 0;	283	return 0;
291	break;	284	break;
292	}	285	}
293		286
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	287	if (ob1->key_values || ob2->key_values)
295	{	288	{
296	/* At least one of these has key_values. */	289	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	290	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	291	return 0; /* One has fields, but the other one doesn't. */
		292
		293	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	294	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	295	}
303		296
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	297	if (ob1->self || ob2->self)
306	{	298	{
307	ob1->optimise ();	299	ob1->optimise ();
308	ob2->optimise ();	300	ob2->optimise ();
309		301
310	if (ob1->self || ob2->self)	302	if (ob1->self || ob2->self)
		303	{
		304	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		305	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		306
		307	if (k1 != k2)
311	return 0;	308	return 0;
		309
		310	if (k1 == 0)
		311	return 1;
		312
		313	if (!cfperl_can_merge (ob1, ob2))
		314	return 0;
		315	}
312	}	316	}
313		317
314	/* Everything passes, must be OK. */	318	/* Everything passes, must be OK. */
315	return 1;	319	return 1;
316	}	320	}
317		321
		322	// find player who can see this object
		323	object *
		324	object::visible_to () const
		325	{
		326	if (client_visible () && !flag [FLAG_REMOVED])
		327	{
		328	// see if we are in a container of sorts
		329	if (env)
		330	{
		331	// the player inventory itself is always visible
		332	if (env->is_player ())
		333	return env;
		334
		335	// else a player could have our env open
		336	object *envest = env->outer_env_or_self ();
		337
		338	// the player itself is always on a map, so we will find him here
		339	// even if our inv is in a player.
		340	if (envest->is_on_map ())
		341	if (object *pl = envest->ms ().player ())
		342	if (pl->container_ () == env)
		343	return pl;
		344	}
		345	else
		346	{
		347	// maybe there is a player standing on the same mapspace
		348	// this will catch the case where "this" is a player
		349	if (object *pl = ms ().player ())
		350	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		351	|| pl->container_ () == this)
		352	return pl;
		353	}
		354	}
		355
		356	return 0;
		357	}
		358
		359	// adjust weight per container type ("of holding")
		360	static sint32
		361	weight_adjust_for (object *op, sint32 weight)
		362	{
		363	return op->type == CONTAINER
		364	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		365	: weight;
		366	}
		367
318	/*	368	/*
		369	* adjust_weight(object, weight) adds the specified weight to an object,
		370	* and also updates how much the environment(s) is/are carrying.
		371	*/
		372	static void
		373	adjust_weight (object *op, sint32 weight)
		374	{
		375	while (op)
		376	{
		377	// adjust by actual difference to account for rounding errors
		378	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		379	weight = weight_adjust_for (op, op->carrying)
		380	- weight_adjust_for (op, op->carrying - weight);
		381
		382	if (!weight)
		383	return;
		384
		385	op->carrying += weight;
		386
		387	if (object *pl = op->visible_to ())
		388	if (pl != op) // player is handled lazily
		389	esrv_update_item (UPD_WEIGHT, pl, op);
		390
		391	op = op->env;
		392	}
		393	}
		394
		395	/*
319	* sum_weight() is a recursive function which calculates the weight	396	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	397	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	398	* containers are carrying, and sums it up.
322	*/	399	*/
323	long	400	void
324	sum_weight (object *op)	401	object::update_weight ()
325	{	402	{
326	long sum;	403	sint32 sum = 0;
327	object *inv;
328		404
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	405	for (object *op = inv; op; op = op->below)
330	{	406	{
331	if (inv->inv)	407	if (op->inv)
332	sum_weight (inv);	408	op->update_weight ();
333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	409
		410	sum += op->total_weight ();
		411	}
		412
		413	sum = weight_adjust_for (this, sum);
		414
		415	if (sum != carrying)
334	}	416	{
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;	417	carrying = sum;
341		418
342	return sum;	419	if (object *pl = visible_to ())
		420	if (pl != this) // player is handled lazily
		421	esrv_update_item (UPD_WEIGHT, pl, this);
		422	}
343	}	423	}
344		424
345	/**	425	/*
346	* Return the outermost environment object for a given object.	426	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/	427	*/
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 *	428	char *
364	dump_object (object *op)	429	dump_object (object *op)
365	{	430	{
366	if (!op)	431	if (!op)
367	return strdup ("[NULLOBJ]");	432	return strdup ("[NULLOBJ]");
368		433
369	object_freezer freezer;	434	object_freezer freezer;
370	save_object (freezer, op, 1);	435	op->write (freezer);
371	return freezer.as_string ();	436	return freezer.as_string ();
		437	}
		438
		439	char *
		440	object::as_string ()
		441	{
		442	return dump_object (this);
372	}	443	}
373		444
374	/*	445	/*
375	* get_nearest_part(multi-object, object 2) returns the part of the	446	* get_nearest_part(multi-object, object 2) returns the part of the
376	* multi-object 1 which is closest to the second object.	447	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.	448	* If it's not a multi-object, it is returned.
378	*/	449	*/
379
380	object *	450	object *
381	get_nearest_part (object *op, const object *pl)	451	get_nearest_part (object *op, const object *pl)
382	{	452	{
383	object *tmp, *closest;	453	object *tmp, *closest;
384	int last_dist, i;	454	int last_dist, i;
385		455
386	if (op->more == NULL)	456	if (!op->more)
387	return op;	457	return op;
		458
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	459	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		460	tmp;
		461	tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)	462	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;	463	closest = tmp, last_dist = i;
		464
391	return closest;	465	return closest;
392	}	466	}
393		467
394	/*	468	/*
395	* Returns the object which has the count-variable equal to the argument.	469	* Returns the object which has the count-variable equal to the argument.
		470	* VERRRY slow.
396	*/	471	*/
397	object *	472	object *
398	find_object (tag_t i)	473	find_object (tag_t i)
399	{	474	{
400	return ((unsigned int)i) < objects.size ()	475	for_all_objects (op)
401	? objects [i]	476	if (op->count == i)
402	: 0;	477	return op;
		478
		479	return 0;
403	}	480	}
404		481
405	/*	482	/*
406	* Returns the first object which has a name equal to the argument.	483	* Returns the first object which has a name equal to the argument.
407	* Used only by the patch command, but not all that useful.	484	* Used only by the patch command, but not all that useful.
…		…
409	*/	486	*/
410	object *	487	object *
411	find_object_name (const char *str)	488	find_object_name (const char *str)
412	{	489	{
413	shstr_cmp str_ (str);	490	shstr_cmp str_ (str);
414	object *op;
415		491
		492	if (str_)
416	for_all_objects (op)	493	for_all_objects (op)
417	if (op->name == str_)	494	if (op->name == str_)
418	break;	495	return op;
419		496
420	return op;	497	return 0;
421	}
422
423	void
424	free_all_object_data ()
425	{
426	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
427	}	498	}
428		499
429	/*	500	/*
430	* Sets the owner and sets the skill and exp pointers to owner's current	501	* Sets the owner and sets the skill and exp pointers to owner's current
431	* skill and experience objects.	502	* skill and experience objects.
		503	* ACTUALLY NO! investigate! TODO
432	*/	504	*/
433	void	505	void
434	object::set_owner (object *owner)	506	object::set_owner (object *owner)
435	{	507	{
		508	// allow objects which own objects
436	if (!owner)	509	if (owner)
437	return;
438
439	/* next line added to allow objects which own objects */
440	/* Add a check for ownercounts in here, as I got into an endless loop
441	* with the fireball owning a poison cloud which then owned the
442	* fireball. I believe that was caused by one of the objects getting
443	* freed and then another object replacing it. Since the ownercounts
444	* didn't match, this check is valid and I believe that cause is valid.
445	*/
446	while (owner->owner)	510	while (owner->owner)
447	owner = owner->owner;	511	owner = owner->owner;
		512
		513	if (flag [FLAG_FREED])
		514	{
		515	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		516	return;
		517	}
448		518
449	this->owner = owner;	519	this->owner = owner;
		520	}
		521
		522	int
		523	object::slottype () const
		524	{
		525	if (type == SKILL)
		526	{
		527	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		528	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		529	}
		530	else
		531	{
		532	if (slot [body_combat].info) return slot_combat;
		533	if (slot [body_range ].info) return slot_ranged;
		534	}
		535
		536	return slot_none;
		537	}
		538
		539	bool
		540	object::change_weapon (object *ob)
		541	{
		542	if (current_weapon == ob)
		543	return true;
		544
		545	if (chosen_skill)
		546	chosen_skill->flag [FLAG_APPLIED] = false;
		547
		548	current_weapon = ob;
		549	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		550
		551	if (chosen_skill)
		552	chosen_skill->flag [FLAG_APPLIED] = true;
		553
		554	update_stats ();
		555
		556	if (ob)
		557	{
		558	// now check wether any body locations became invalid, in which case
		559	// we cannot apply the weapon at the moment.
		560	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		561	if (slot[i].used < 0)
		562	{
		563	current_weapon = chosen_skill = 0;
		564	update_stats ();
		565
		566	new_draw_info_format (NDI_UNIQUE, 0, this,
		567	"You try to balance all your items at once, "
		568	"but the %s is just too much for your body. "
		569	"[You need to unapply some items first - use the 'body' command to see "
		570	"how many items you cna wera on a specific body part.]", &ob->name);
		571	return false;
		572	}
		573
		574	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		575	}
		576	else
		577	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		578
		579	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		580	{
		581	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		582	&name, ob->debug_desc ());
		583	return false;
		584	}
		585
		586	return true;
450	}	587	}
451		588
452	/* Zero the key_values on op, decrementing the shared-string	589	/* Zero the key_values on op, decrementing the shared-string
453	* refcounts and freeing the links.	590	* refcounts and freeing the links.
454	*/	591	*/
455	static void	592	static void
456	free_key_values (object *op)	593	free_key_values (object *op)
457	{	594	{
458	for (key_value *i = op->key_values; i != 0;)	595	for (key_value *i = op->key_values; i; )
459	{	596	{
460	key_value *next = i->next;	597	key_value *next = i->next;
461	delete i;	598	delete i;
462		599
463	i = next;	600	i = next;
…		…
475	* will point at garbage.	612	* will point at garbage.
476	*/	613	*/
477	void	614	void
478	object::copy_to (object *dst)	615	object::copy_to (object *dst)
479	{	616	{
480	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	617	dst->remove ();
481	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
482
483	*(object_copy *)dst = *this;	618	*(object_copy *)dst = *this;
484		619	dst->flag [FLAG_REMOVED] = true;
485	if (is_freed)
486	SET_FLAG (dst, FLAG_FREED);
487
488	if (is_removed)
489	SET_FLAG (dst, FLAG_REMOVED);
490
491	if (speed < 0)
492	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
493		620
494	/* Copy over key_values, if any. */	621	/* Copy over key_values, if any. */
495	if (key_values)	622	if (key_values)
496	{	623	{
497	key_value *tail = 0;	624	key_value *tail = 0;
498	key_value *i;
499
500	dst->key_values = 0;	625	dst->key_values = 0;
501		626
502	for (i = key_values; i; i = i->next)	627	for (key_value *i = key_values; i; i = i->next)
503	{	628	{
504	key_value *new_link = new key_value;	629	key_value *new_link = new key_value;
505		630
506	new_link->next = 0;	631	new_link->next = 0;
507	new_link->key = i->key;	632	new_link->key = i->key;
508	new_link->value = i->value;	633	new_link->value = i->value;
509		634
510	/* Try and be clever here, too. */	635	/* Try and be clever here, too. */
511	if (!dst->key_values)	636	if (!dst->key_values)
512	{	637	{
…		…
519	tail = new_link;	644	tail = new_link;
520	}	645	}
521	}	646	}
522	}	647	}
523		648
524	dst->set_speed (dst->speed);	649	if (speed < 0)
		650	dst->speed_left -= rndm ();
		651
		652	dst->activate ();
		653	}
		654
		655	void
		656	object::instantiate ()
		657	{
		658	if (!uuid.seq) // HACK
		659	uuid = UUID::gen ();
		660
		661	speed_left = -0.1f;
		662	/* copy the body_info to the body_used - this is only really
		663	* need for monsters, but doesn't hurt to do it for everything.
		664	* by doing so, when a monster is created, it has good starting
		665	* values for the body_used info, so when items are created
		666	* for it, they can be properly equipped.
		667	*/
		668	for (int i = NUM_BODY_LOCATIONS; i--; )
		669	slot[i].used = slot[i].info;
		670
		671	attachable::instantiate ();
525	}	672	}
526		673
527	object *	674	object *
528	object::clone ()	675	object::clone ()
529	{	676	{
530	object *neu = create ();	677	object *neu = create ();
531	copy_to (neu);	678	copy_to (neu);
		679	neu->map = map; // not copied by copy_to
532	return neu;	680	return neu;
533	}	681	}
534		682
535	/*	683	/*
536	* If an object with the IS_TURNABLE() flag needs to be turned due	684	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
587	* UP_OBJ_FACE: only the objects face has changed.	735	* UP_OBJ_FACE: only the objects face has changed.
588	*/	736	*/
589	void	737	void
590	update_object (object *op, int action)	738	update_object (object *op, int action)
591	{	739	{
592	MoveType move_on, move_off, move_block, move_slow;	740	if (!op)
593
594	if (op == NULL)
595	{	741	{
596	/* this should never happen */	742	/* this should never happen */
597	LOG (llevDebug, "update_object() called for NULL object.\n");	743	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
598	return;	744	return;
599	}	745	}
600		746
601	if (op->env)	747	if (!op->is_on_map ())
602	{	748	{
603	/* Animation is currently handled by client, so nothing	749	/* Animation is currently handled by client, so nothing
604	* to do in this case.	750	* to do in this case.
605	*/	751	*/
606	return;	752	return;
607	}	753	}
608
609	/* If the map is saving, don't do anything as everything is
610	* going to get freed anyways.
611	*/
612	if (!op->map || op->map->in_memory == MAP_SAVING)
613	return;
614		754
615	/* make sure the object is within map boundaries */	755	/* make sure the object is within map boundaries */
616	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	756	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
617	{	757	{
618	LOG (llevError, "update_object() called for object out of map!\n");	758	LOG (llevError, "update_object() called for object out of map!\n");
…		…
629	else if (action == UP_OBJ_INSERT)	769	else if (action == UP_OBJ_INSERT)
630	{	770	{
631	// this is likely overkill, TODO: revisit (schmorp)	771	// this is likely overkill, TODO: revisit (schmorp)
632	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	772	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
633	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	773	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
634	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	774	|| (op->is_player () && !(m.flags_ & P_PLAYER))
635	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	775	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
636	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	776	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
637	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	777	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
638	|| (m.move_on | op->move_on ) != m.move_on	778	|| (m.move_on | op->move_on ) != m.move_on
639	|| (m.move_off | op->move_off ) != m.move_off	779	|| (m.move_off | op->move_off ) != m.move_off
640	|| (m.move_slow | op->move_slow) != m.move_slow	780	|| (m.move_slow | op->move_slow) != m.move_slow
641	/* This isn't perfect, but I don't expect a lot of objects to	781	/* This isn't perfect, but I don't expect a lot of objects to
642	* to have move_allow right now.	782	* have move_allow right now.
643	*/	783	*/
644	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	784	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
645	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	785	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
646	m.flags_ = 0;	786	m.invalidate ();
647	}	787	}
648	/* if the object is being removed, we can't make intelligent	788	/* if the object is being removed, we can't make intelligent
649	* decisions, because remove_ob can't really pass the object	789	* decisions, because remove_ob can't really pass the object
650	* that is being removed.	790	* that is being removed.
651	*/	791	*/
652	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	792	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
653	m.flags_ = 0;	793	m.invalidate ();
654	else if (action == UP_OBJ_FACE)	794	else if (action == UP_OBJ_FACE)
655	/* Nothing to do for that case */ ;	795	/* Nothing to do for that case */ ;
656	else	796	else
657	LOG (llevError, "update_object called with invalid action: %d\n", action);	797	LOG (llevError, "update_object called with invalid action: %d\n", action);
658		798
659	if (op->more)	799	if (op->more)
660	update_object (op->more, action);	800	update_object (op->more, action);
661	}	801	}
662		802
663	object *object::first;
664
665	object::object ()	803	object::object ()
666	{	804	{
667	SET_FLAG (this, FLAG_REMOVED);	805	SET_FLAG (this, FLAG_REMOVED);
668		806
669	expmul = 1.0;	807	//expmul = 1.0; declared const for the time being
670	face = blank_face;	808	face = blank_face;
671	}	809	}
672		810
673	object::~object ()	811	object::~object ()
674	{	812	{
		813	unlink ();
		814
675	free_key_values (this);	815	free_key_values (this);
676	}	816	}
677		817
		818	static int object_count;
		819
678	void object::link ()	820	void object::link ()
679	{	821	{
680	assert (!count);//D	822	assert (!index);//D
681	uuid = gen_uuid ();	823	uuid = UUID::gen ();
		824	count = ++object_count;
682		825
683	refcnt_inc ();	826	refcnt_inc ();
684	objects.insert (this);	827	objects.insert (this);
685	}	828	}
686		829
687	void object::unlink ()	830	void object::unlink ()
688	{	831	{
689	assert (count);//D	832	if (!index)
		833	return;
		834
690	objects.erase (this);	835	objects.erase (this);
691	refcnt_dec ();	836	refcnt_dec ();
692	}	837	}
693		838
694	void	839	void
…		…
697	/* If already on active list, don't do anything */	842	/* If already on active list, don't do anything */
698	if (active)	843	if (active)
699	return;	844	return;
700		845
701	if (has_active_speed ())	846	if (has_active_speed ())
		847	{
		848	if (flag [FLAG_FREED])
		849	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		850
702	actives.insert (this);	851	actives.insert (this);
		852	}
703	}	853	}
704		854
705	void	855	void
706	object::activate_recursive ()	856	object::activate_recursive ()
707	{	857	{
…		…
756	object::destroy_inv (bool drop_to_ground)	906	object::destroy_inv (bool drop_to_ground)
757	{	907	{
758	// need to check first, because the checks below might segfault	908	// need to check first, because the checks below might segfault
759	// as we might be on an invalid mapspace and crossfire code	909	// as we might be on an invalid mapspace and crossfire code
760	// is too buggy to ensure that the inventory is empty.	910	// is too buggy to ensure that the inventory is empty.
761	// corollary: if you create arrows etc. with stuff in tis inventory,	911	// corollary: if you create arrows etc. with stuff in its inventory,
762	// cf will crash below with off-map x and y	912	// cf will crash below with off-map x and y
763	if (!inv)	913	if (!inv)
764	return;	914	return;
765		915
766	/* Only if the space blocks everything do we not process -	916	/* Only if the space blocks everything do we not process -
767	* if some form of movement is allowed, let objects	917	* if some form of movement is allowed, let objects
768	* drop on that space.	918	* drop on that space.
769	*/	919	*/
770	if (!drop_to_ground	920	if (!drop_to_ground
771	|| !map	921	|| !map
772	|| map->in_memory != MAP_IN_MEMORY	922	|| map->in_memory != MAP_ACTIVE
		923	|| map->no_drop
773	|| ms ().move_block == MOVE_ALL)	924	|| ms ().move_block == MOVE_ALL)
774	{	925	{
775	while (inv)	926	while (inv)
776	{
777	inv->destroy_inv (drop_to_ground);
778	inv->destroy ();	927	inv->destroy ();
779	}
780	}	928	}
781	else	929	else
782	{ /* Put objects in inventory onto this space */	930	{ /* Put objects in inventory onto this space */
783	while (inv)	931	while (inv)
784	{	932	{
…		…
802	object *op = new object;	950	object *op = new object;
803	op->link ();	951	op->link ();
804	return op;	952	return op;
805	}	953	}
806		954
		955	static struct freed_map : maptile
		956	{
		957	freed_map ()
		958	{
		959	path = "<freed objects map>";
		960	name = "/internal/freed_objects_map";
		961	width = 3;
		962	height = 3;
		963	no_drop = 1;
		964	no_reset = 1;
		965
		966	alloc ();
		967	in_memory = MAP_ACTIVE;
		968	}
		969
		970	~freed_map ()
		971	{
		972	destroy ();
		973	}
		974	} freed_map; // freed objects are moved here to avoid crashes
		975
807	void	976	void
808	object::do_destroy ()	977	object::do_destroy ()
809	{	978	{
810	if (flag [FLAG_IS_LINKED])	979	if (flag [FLAG_IS_LINKED])
811	remove_button_link (this);	980	remove_link ();
812		981
813	if (flag [FLAG_FRIENDLY])	982	if (flag [FLAG_FRIENDLY])
814	remove_friendly_object (this);	983	remove_friendly_object (this);
815		984
816	if (!flag [FLAG_REMOVED])
817	remove ();	985	remove ();
818		986
819	if (flag [FLAG_FREED])	987	attachable::do_destroy ();
820	return;
821		988
822	set_speed (0);	989	deactivate ();
		990	unlink ();
823		991
824	flag [FLAG_FREED] = 1;	992	flag [FLAG_FREED] = 1;
825		993
826	attachable::do_destroy ();
827
828	destroy_inv (true);
829	unlink ();
830
831	// hack to ensure that freed objects still have a valid map	994	// hack to ensure that freed objects still have a valid map
832	{
833	static maptile *freed_map; // freed objects are moved here to avoid crashes
834
835	if (!freed_map)
836	{
837	freed_map = new maptile;
838
839	freed_map->name = "/internal/freed_objects_map";
840	freed_map->width = 3;
841	freed_map->height = 3;
842
843	freed_map->alloc ();
844	freed_map->in_memory = MAP_IN_MEMORY;
845	}
846
847	map = freed_map;	995	map = &freed_map;
848	x = 1;	996	x = 1;
849	y = 1;	997	y = 1;
850	}
851
852	head = 0;
853		998
854	if (more)	999	if (more)
855	{	1000	{
856	more->destroy ();	1001	more->destroy ();
857	more = 0;	1002	more = 0;
858	}	1003	}
859		1004
		1005	head = 0;
		1006
860	// clear those pointers that likely might have circular references to us	1007	// clear those pointers that likely might cause circular references
861	owner = 0;	1008	owner = 0;
862	enemy = 0;	1009	enemy = 0;
863	attacked_by = 0;	1010	attacked_by = 0;
		1011	current_weapon = 0;
864	}	1012	}
865		1013
866	void	1014	void
867	object::destroy (bool destroy_inventory)	1015	object::destroy ()
868	{	1016	{
869	if (destroyed ())	1017	if (destroyed ())
870	return;	1018	return;
871		1019
872	if (destroy_inventory)	1020	if (!is_head () && !head->destroyed ())
		1021	{
		1022	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1023	head->destroy ();
		1024	return;
		1025	}
		1026
873	destroy_inv (false);	1027	destroy_inv (false);
		1028
		1029	if (is_head ())
		1030	if (sound_destroy)
		1031	play_sound (sound_destroy);
		1032	else if (flag [FLAG_MONSTER])
		1033	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
874		1034
875	attachable::destroy ();	1035	attachable::destroy ();
876	}
877
878	/*
879	* sub_weight() recursively (outwards) subtracts a number from the
880	* weight of an object (and what is carried by it's environment(s)).
881	*/
882	void
883	sub_weight (object *op, signed long weight)
884	{
885	while (op != NULL)
886	{
887	if (op->type == CONTAINER)
888	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
889
890	op->carrying -= weight;
891	op = op->env;
892	}
893	}	1036	}
894		1037
895	/* op->remove ():	1038	/* op->remove ():
896	* This function removes the object op from the linked list of objects	1039	* This function removes the object op from the linked list of objects
897	* which it is currently tied to. When this function is done, the	1040	* which it is currently tied to. When this function is done, the
898	* object will have no environment. If the object previously had an	1041	* object will have no environment. If the object previously had an
899	* environment, the x and y coordinates will be updated to	1042	* environment, the x and y coordinates will be updated to
900	* the previous environment.	1043	* the previous environment.
901	* Beware: This function is called from the editor as well!
902	*/	1044	*/
903	void	1045	void
904	object::remove ()	1046	object::do_remove ()
905	{	1047	{
906	object *tmp, *last = 0;	1048	if (flag [FLAG_REMOVED])
907	object *otmp;
908
909	if (QUERY_FLAG (this, FLAG_REMOVED))
910	return;	1049	return;
911		1050
912	SET_FLAG (this, FLAG_REMOVED);
913	INVOKE_OBJECT (REMOVE, this);	1051	INVOKE_OBJECT (REMOVE, this);
		1052
		1053	flag [FLAG_REMOVED] = true;
914		1054
915	if (more)	1055	if (more)
916	more->remove ();	1056	more->remove ();
917		1057
918	/*	1058	/*
919	* In this case, the object to be removed is in someones	1059	* In this case, the object to be removed is in someones
920	* inventory.	1060	* inventory.
921	*/	1061	*/
922	if (env)	1062	if (env)
923	{	1063	{
924	if (nrof)	1064	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
925	sub_weight (env, weight * nrof);	1065	if (object *pl = visible_to ())
926	else	1066	esrv_del_item (pl->contr, count);
927	sub_weight (env, weight + carrying);	1067	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1068
		1069	adjust_weight (env, -total_weight ());
		1070
		1071	object *pl = in_player ();
		1072
		1073	/* we set up values so that it could be inserted into
		1074	* the map, but we don't actually do that - it is up
		1075	* to the caller to decide what we want to do.
		1076	*/
		1077	map = env->map;
		1078	x = env->x;
		1079	y = env->y;
		1080
		1081	// make sure cmov optimisation is applicable
		1082	*(above ? &above->below : &env->inv) = below;
		1083	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1084
		1085	above = 0;
		1086	below = 0;
		1087	env = 0;
928		1088
929	/* NO_FIX_PLAYER is set when a great many changes are being	1089	/* NO_FIX_PLAYER is set when a great many changes are being
930	* made to players inventory. If set, avoiding the call	1090	* made to players inventory. If set, avoiding the call
931	* to save cpu time.	1091	* to save cpu time.
932	*/	1092	*/
933	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1093	if (pl)
		1094	if (pl->is_player () && (glow_radius || !QUERY_FLAG (pl, FLAG_NO_FIX_PLAYER)))
		1095	{
934	otmp->update_stats ();	1096	pl->update_stats ();
935		1097
936	if (above)	1098	if (glow_radius && pl->is_on_map ())
937	above->below = below;	1099	update_all_los (pl->map, pl->x, pl->y);
938	else	1100	}
939	env->inv = below;
940
941	if (below)
942	below->above = above;
943
944	/* we set up values so that it could be inserted into
945	* the map, but we don't actually do that - it is up
946	* to the caller to decide what we want to do.
947	*/
948	x = env->x, y = env->y;
949	map = env->map;
950	above = 0, below = 0;
951	env = 0;
952	}	1101	}
953	else if (map)	1102	else if (map)
954	{	1103	{
955	if (type == PLAYER)	1104	map->dirty = true;
		1105	mapspace &ms = this->ms ();
		1106
		1107	if (object *pl = ms.player ())
956	{	1108	{
		1109	if (is_player ())
		1110	{
		1111	if (!flag [FLAG_WIZPASS])
		1112	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1113
		1114	// leaving a spot always closes any open container on the ground
		1115	if (container && !container->env)
		1116	// this causes spurious floorbox updates, but it ensures
		1117	// that the CLOSE event is being sent.
		1118	close_container ();
		1119
957	--map->players;	1120	--map->players;
958	map->touch ();	1121	map->touch ();
		1122	}
		1123	else if (pl->container_ () == this)
		1124	{
		1125	// removing a container should close it
		1126	close_container ();
		1127	}
		1128
		1129	esrv_del_item (pl->contr, count);
959	}	1130	}
960		1131
961	map->dirty = true;
962
963	/* link the object above us */	1132	/* link the object above us */
964	if (above)	1133	// re-link, make sure compiler can easily use cmove
965	above->below = below;	1134	*(above ? &above->below : &ms.top) = below;
966	else	1135	*(below ? &below->above : &ms.bot) = above;
967	map->at (x, y).top = below; /* we were top, set new top */
968
969	/* Relink the object below us, if there is one */
970	if (below)
971	below->above = above;
972	else
973	{
974	/* Nothing below, which means we need to relink map object for this space
975	* use translated coordinates in case some oddness with map tiling is
976	* evident
977	*/
978	if (GET_MAP_OB (map, x, y) != this)
979	{
980	char *dump = dump_object (this);
981	LOG (llevError,
982	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);
983	free (dump);
984	dump = dump_object (GET_MAP_OB (map, x, y));
985	LOG (llevError, "%s\n", dump);
986	free (dump);
987	}
988
989	map->at (x, y).bot = above; /* goes on above it. */
990	}
991		1136
992	above = 0;	1137	above = 0;
993	below = 0;	1138	below = 0;
994		1139
		1140	ms.invalidate ();
		1141
995	if (map->in_memory == MAP_SAVING)	1142	if (map->in_memory == MAP_SAVING)
996	return;	1143	return;
997		1144
998	int check_walk_off = !flag [FLAG_NO_APPLY];	1145	int check_walk_off = !flag [FLAG_NO_APPLY];
999		1146
1000	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1147	if (object *pl = ms.player ())
1001	{	1148	{
1002	/* No point updating the players look faces if he is the object	1149	if (pl->container_ () == this)
1003	* being removed.
1004	*/
1005
1006	if (tmp->type == PLAYER && tmp != this)
1007	{
1008	/* If a container that the player is currently using somehow gets	1150	/* If a container that the player is currently using somehow gets
1009	* removed (most likely destroyed), update the player view	1151	* removed (most likely destroyed), update the player view
1010	* appropriately.	1152	* appropriately.
1011	*/	1153	*/
1012	if (tmp->container == this)	1154	pl->close_container ();
1013	{
1014	flag [FLAG_APPLIED] = 0;
1015	tmp->container = 0;
1016	}
1017		1155
		1156	//TODO: the floorbox prev/next might need updating
		1157	//esrv_del_item (pl->contr, count);
		1158	//TODO: update floorbox to preserve ordering
1018	if (tmp->contr->ns)	1159	if (pl->contr->ns)
1019	tmp->contr->ns->floorbox_update ();	1160	pl->contr->ns->floorbox_update ();
		1161	}
		1162
		1163	if (check_walk_off)
		1164	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1165	{
		1166	above = tmp->above;
		1167
		1168	/* No point updating the players look faces if he is the object
		1169	* being removed.
1020	}	1170	*/
1021		1171
1022	/* See if object moving off should effect something */	1172	/* See if object moving off should effect something */
1023	if (check_walk_off
1024	&& ((move_type & tmp->move_off)	1173	if ((move_type & tmp->move_off)
1025	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1174	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1026	{
1027	move_apply (tmp, this, 0);	1175	move_apply (tmp, this, 0);
1028
1029	if (destroyed ())
1030	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1031	}	1176	}
1032		1177
1033	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1178	if (affects_los ())
1034	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1035	if (tmp->above == tmp)
1036	tmp->above = 0;
1037
1038	last = tmp;
1039	}
1040
1041	/* last == NULL if there are no objects on this space */
1042	//TODO: this makes little sense, why only update the topmost object?
1043	if (!last)
1044	map->at (x, y).flags_ = 0;
1045	else
1046	update_object (last, UP_OBJ_REMOVE);
1047
1048	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1049	update_all_los (map, x, y);	1179	update_all_los (map, x, y);
1050	}	1180	}
1051	}	1181	}
1052		1182
1053	/*	1183	/*
…		…
1062	merge_ob (object *op, object *top)	1192	merge_ob (object *op, object *top)
1063	{	1193	{
1064	if (!op->nrof)	1194	if (!op->nrof)
1065	return 0;	1195	return 0;
1066		1196
1067	if (top)	1197	if (!top)
1068	for (top = op; top && top->above; top = top->above)	1198	for (top = op; top && top->above; top = top->above)
1069	;	1199	;
1070		1200
1071	for (; top; top = top->below)	1201	for (; top; top = top->below)
1072	{
1073	if (top == op)
1074	continue;
1075
1076	if (object::can_merge (op, top))	1202	if (object::can_merge (op, top))
1077	{	1203	{
1078	top->nrof += op->nrof;	1204	top->nrof += op->nrof;
1079		1205
1080	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1206	if (object *pl = top->visible_to ())
1081	op->weight = 0; /* Don't want any adjustements now */	1207	esrv_update_item (UPD_NROF, pl, top);
		1208
		1209	op->weight = 0; // cancel the addition above
		1210	op->carrying = 0; // must be 0 already
		1211
1082	op->destroy ();	1212	op->destroy ();
		1213
1083	return top;	1214	return top;
1084	}	1215	}
1085	}
1086		1216
1087	return 0;	1217	return 0;
1088	}	1218	}
1089		1219
		1220	void
		1221	object::expand_tail ()
		1222	{
		1223	if (more)
		1224	return;
		1225
		1226	object *prev = this;
		1227
		1228	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1229	{
		1230	object *op = arch_to_object (at);
		1231
		1232	op->name = name;
		1233	op->name_pl = name_pl;
		1234	op->title = title;
		1235
		1236	op->head = this;
		1237	prev->more = op;
		1238
		1239	prev = op;
		1240	}
		1241	}
		1242
1090	/*	1243	/*
1091	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1244	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1092	* job preparing multi-part monsters	1245	* job preparing multi-part monsters.
1093	*/	1246	*/
1094	object *	1247	object *
1095	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1248	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1096	{	1249	{
		1250	op->remove ();
		1251
1097	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1252	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1098	{	1253	{
1099	tmp->x = x + tmp->arch->clone.x;	1254	tmp->x = x + tmp->arch->x;
1100	tmp->y = y + tmp->arch->clone.y;	1255	tmp->y = y + tmp->arch->y;
1101	}	1256	}
1102		1257
1103	return insert_ob_in_map (op, m, originator, flag);	1258	return insert_ob_in_map (op, m, originator, flag);
1104	}	1259	}
1105		1260
…		…
1124	* just 'op' otherwise	1279	* just 'op' otherwise
1125	*/	1280	*/
1126	object *	1281	object *
1127	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1282	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1128	{	1283	{
1129	object *tmp, *top, *floor = NULL;	1284	op->remove ();
1130	sint16 x, y;
1131		1285
1132	if (QUERY_FLAG (op, FLAG_FREED))	1286	if (m == &freed_map)//D TODO: remove soon
1133	{	1287	{//D
1134	LOG (llevError, "Trying to insert freed object!\n");	1288	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1135	return NULL;
1136	}	1289	}//D
1137
1138	if (!m)
1139	{
1140	char *dump = dump_object (op);
1141	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1142	free (dump);
1143	return op;
1144	}
1145
1146	if (out_of_map (m, op->x, op->y))
1147	{
1148	char *dump = dump_object (op);
1149	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1150	#ifdef MANY_CORES
1151	/* Better to catch this here, as otherwise the next use of this object
1152	* is likely to cause a crash. Better to find out where it is getting
1153	* improperly inserted.
1154	*/
1155	abort ();
1156	#endif
1157	free (dump);
1158	return op;
1159	}
1160
1161	if (!QUERY_FLAG (op, FLAG_REMOVED))
1162	{
1163	char *dump = dump_object (op);
1164	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1165	free (dump);
1166	return op;
1167	}
1168
1169	if (op->more)
1170	{
1171	/* The part may be on a different map. */
1172
1173	object *more = op->more;
1174
1175	/* We really need the caller to normalise coordinates - if
1176	* we set the map, that doesn't work if the location is within
1177	* a map and this is straddling an edge. So only if coordinate
1178	* is clear wrong do we normalise it.
1179	*/
1180	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1181	more->map = get_map_from_coord (m, &more->x, &more->y);
1182	else if (!more->map)
1183	{
1184	/* For backwards compatibility - when not dealing with tiled maps,
1185	* more->map should always point to the parent.
1186	*/
1187	more->map = m;
1188	}
1189
1190	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1191	{
1192	if (!op->head)
1193	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1194
1195	return 0;
1196	}
1197	}
1198
1199	CLEAR_FLAG (op, FLAG_REMOVED);
1200		1290
1201	/* Ideally, the caller figures this out. However, it complicates a lot	1291	/* Ideally, the caller figures this out. However, it complicates a lot
1202	* of areas of callers (eg, anything that uses find_free_spot would now	1292	* of areas of callers (eg, anything that uses find_free_spot would now
1203	* need extra work	1293	* need extra work
1204	*/	1294	*/
1205	op->map = get_map_from_coord (m, &op->x, &op->y);	1295	maptile *newmap = m;
1206	x = op->x;	1296	if (!xy_normalise (newmap, op->x, op->y))
1207	y = op->y;	1297	{
		1298	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
		1299	return 0;
		1300	}
		1301
		1302	if (object *more = op->more)
		1303	if (!insert_ob_in_map (more, m, originator, flag))
		1304	return 0;
		1305
		1306	op->flag [FLAG_REMOVED] = false;
		1307	op->env = 0;
		1308	op->map = newmap;
		1309
		1310	mapspace &ms = op->ms ();
1208		1311
1209	/* this has to be done after we translate the coordinates.	1312	/* this has to be done after we translate the coordinates.
1210	*/	1313	*/
1211	if (op->nrof && !(flag & INS_NO_MERGE))	1314	if (op->nrof && !(flag & INS_NO_MERGE))
1212	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)	1315	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1213	if (object::can_merge (op, tmp))	1316	if (object::can_merge (op, tmp))
1214	{	1317	{
		1318	// TODO: we actually want to update tmp, not op,
		1319	// but some caller surely breaks when we return tmp
		1320	// from here :/
1215	op->nrof += tmp->nrof;	1321	op->nrof += tmp->nrof;
1216	tmp->destroy ();	1322	tmp->destroy ();
1217	}	1323	}
1218		1324
1219	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1325	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1228	{	1334	{
1229	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1335	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1230	abort ();	1336	abort ();
1231	}	1337	}
1232		1338
		1339	if (!originator->is_on_map ())
		1340	{
		1341	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1342	op->debug_desc (), originator->debug_desc ());
		1343	abort ();
		1344	}
		1345
1233	op->above = originator;	1346	op->above = originator;
1234	op->below = originator->below;	1347	op->below = originator->below;
1235
1236	if (op->below)
1237	op->below->above = op;
1238	else
1239	op->ms ().bot = op;
1240
1241	/* since *below* originator, no need to update top */
1242	originator->below = op;	1348	originator->below = op;
		1349
		1350	*(op->below ? &op->below->above : &ms.bot) = op;
1243	}	1351	}
1244	else	1352	else
1245	{	1353	{
		1354	object *floor = 0;
		1355	object *top = ms.top;
		1356
1246	/* If there are other objects, then */	1357	/* If there are other objects, then */
1247	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1358	if (top)
1248	{	1359	{
1249	object *last = 0;
1250
1251	/*	1360	/*
1252	* If there are multiple objects on this space, we do some trickier handling.	1361	* If there are multiple objects on this space, we do some trickier handling.
1253	* We've already dealt with merging if appropriate.	1362	* We've already dealt with merging if appropriate.
1254	* Generally, we want to put the new object on top. But if	1363	* Generally, we want to put the new object on top. But if
1255	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1364	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1258	* once we get to them. This reduces the need to traverse over all of	1367	* once we get to them. This reduces the need to traverse over all of
1259	* them when adding another one - this saves quite a bit of cpu time	1368	* them when adding another one - this saves quite a bit of cpu time
1260	* when lots of spells are cast in one area. Currently, it is presumed	1369	* when lots of spells are cast in one area. Currently, it is presumed
1261	* that flying non pickable objects are spell objects.	1370	* that flying non pickable objects are spell objects.
1262	*/	1371	*/
1263	while (top)	1372	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1264	{	1373	{
1265	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1374	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1266	floor = top;	1375	floor = tmp;
1267		1376
1268	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1377	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1269	{	1378	{
1270	/* We insert above top, so we want this object below this */	1379	/* We insert above top, so we want this object below this */
1271	top = top->below;	1380	top = tmp->below;
1272	break;	1381	break;
1273	}	1382	}
1274		1383
1275	last = top;
1276	top = top->above;	1384	top = tmp;
1277	}	1385	}
1278
1279	/* Don't want top to be NULL, so set it to the last valid object */
1280	top = last;
1281		1386
1282	/* We let update_position deal with figuring out what the space	1387	/* We let update_position deal with figuring out what the space
1283	* looks like instead of lots of conditions here.	1388	* looks like instead of lots of conditions here.
1284	* makes things faster, and effectively the same result.	1389	* makes things faster, and effectively the same result.
1285	*/	1390	*/
1286		1391
1287	/* Have object 'fall below' other objects that block view.	1392	/* Have object 'fall below' other objects that block view.
1288	* Unless those objects are exits, type 66	1393	* Unless those objects are exits.
1289	* If INS_ON_TOP is used, don't do this processing	1394	* If INS_ON_TOP is used, don't do this processing
1290	* Need to find the object that in fact blocks view, otherwise	1395	* Need to find the object that in fact blocks view, otherwise
1291	* stacking is a bit odd.	1396	* stacking is a bit odd.
1292	*/	1397	*/
1293	if (!(flag & INS_ON_TOP) &&	1398	if (!(flag & INS_ON_TOP)
1294	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1399	&& ms.flags () & P_BLOCKSVIEW
		1400	&& (op->face && !faces [op->face].visibility))
1295	{	1401	{
		1402	object *last;
		1403
1296	for (last = top; last != floor; last = last->below)	1404	for (last = top; last != floor; last = last->below)
1297	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1405	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1298	break;	1406	break;
		1407
1299	/* Check to see if we found the object that blocks view,	1408	/* Check to see if we found the object that blocks view,
1300	* and make sure we have a below pointer for it so that	1409	* and make sure we have a below pointer for it so that
1301	* we can get inserted below this one, which requires we	1410	* we can get inserted below this one, which requires we
1302	* set top to the object below us.	1411	* set top to the object below us.
1303	*/	1412	*/
1304	if (last && last->below && last != floor)	1413	if (last && last->below && last != floor)
1305	top = last->below;	1414	top = last->below;
1306	}	1415	}
1307	} /* If objects on this space */	1416	} /* If objects on this space */
1308		1417
1309	if (flag & INS_MAP_LOAD)
1310	top = GET_MAP_TOP (op->map, op->x, op->y);
1311
1312	if (flag & INS_ABOVE_FLOOR_ONLY)	1418	if (flag & INS_ABOVE_FLOOR_ONLY)
1313	top = floor;	1419	top = floor;
1314		1420
1315	/* Top is the object that our object (op) is going to get inserted above.	1421	// insert object above top, or bottom-most if top = 0
1316	*/
1317
1318	/* First object on this space */
1319	if (!top)	1422	if (!top)
1320	{	1423	{
1321	op->above = GET_MAP_OB (op->map, op->x, op->y);
1322
1323	if (op->above)
1324	op->above->below = op;
1325
1326	op->below = 0;	1424	op->below = 0;
		1425	op->above = ms.bot;
1327	op->ms ().bot = op;	1426	ms.bot = op;
		1427
		1428	*(op->above ? &op->above->below : &ms.top) = op;
1328	}	1429	}
1329	else	1430	else
1330	{ /* get inserted into the stack above top */	1431	{
1331	op->above = top->above;	1432	op->above = top->above;
1332
1333	if (op->above)
1334	op->above->below = op;	1433	top->above = op;
1335		1434
1336	op->below = top;	1435	op->below = top;
1337	top->above = op;	1436	*(op->above ? &op->above->below : &ms.top) = op;
1338	}	1437	}
		1438	}
1339		1439
1340	if (!op->above)	1440	if (op->is_player ())
1341	op->ms ().top = op;
1342	} /* else not INS_BELOW_ORIGINATOR */
1343
1344	if (op->type == PLAYER)
1345	{	1441	{
1346	op->contr->do_los = 1;	1442	op->contr->do_los = 1;
1347	++op->map->players;	1443	++op->map->players;
1348	op->map->touch ();	1444	op->map->touch ();
1349	}	1445	}
1350		1446
1351	op->map->dirty = true;	1447	op->map->dirty = true;
1352		1448
1353	/* If we have a floor, we know the player, if any, will be above
1354	* it, so save a few ticks and start from there.
1355	*/
1356	if (!(flag & INS_MAP_LOAD))
1357	if (object *pl = op->ms ().player ())	1449	if (object *pl = ms.player ())
		1450	//TODO: the floorbox prev/next might need updating
		1451	//esrv_send_item (pl, op);
		1452	//TODO: update floorbox to preserve ordering
1358	if (pl->contr->ns)	1453	if (pl->contr->ns)
1359	pl->contr->ns->floorbox_update ();	1454	pl->contr->ns->floorbox_update ();
1360		1455
1361	/* If this object glows, it may affect lighting conditions that are	1456	/* If this object glows, it may affect lighting conditions that are
1362	* visible to others on this map. But update_all_los is really	1457	* visible to others on this map. But update_all_los is really
1363	* an inefficient way to do this, as it means los for all players	1458	* an inefficient way to do this, as it means los for all players
1364	* on the map will get recalculated. The players could very well	1459	* on the map will get recalculated. The players could very well
1365	* be far away from this change and not affected in any way -	1460	* be far away from this change and not affected in any way -
1366	* this should get redone to only look for players within range,	1461	* this should get redone to only look for players within range,
1367	* or just updating the P_UPTODATE for spaces within this area	1462	* or just updating the P_UPTODATE for spaces within this area
1368	* of effect may be sufficient.	1463	* of effect may be sufficient.
1369	*/	1464	*/
1370	if (op->map->darkness && (op->glow_radius != 0))	1465	if (op->affects_los ())
		1466	{
		1467	op->ms ().invalidate ();
1371	update_all_los (op->map, op->x, op->y);	1468	update_all_los (op->map, op->x, op->y);
		1469	}
1372		1470
1373	/* updates flags (blocked, alive, no magic, etc) for this map space */	1471	/* updates flags (blocked, alive, no magic, etc) for this map space */
1374	update_object (op, UP_OBJ_INSERT);	1472	update_object (op, UP_OBJ_INSERT);
1375		1473
1376	INVOKE_OBJECT (INSERT, op);	1474	INVOKE_OBJECT (INSERT, op);
…		…
1383	* blocked() and wall() work properly), and these flags are updated by	1481	* blocked() and wall() work properly), and these flags are updated by
1384	* update_object().	1482	* update_object().
1385	*/	1483	*/
1386		1484
1387	/* if this is not the head or flag has been passed, don't check walk on status */	1485	/* if this is not the head or flag has been passed, don't check walk on status */
1388	if (!(flag & INS_NO_WALK_ON) && !op->head)	1486	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1389	{	1487	{
1390	if (check_move_on (op, originator))	1488	if (check_move_on (op, originator))
1391	return 0;	1489	return 0;
1392		1490
1393	/* If we are a multi part object, lets work our way through the check	1491	/* If we are a multi part object, lets work our way through the check
1394	* walk on's.	1492	* walk on's.
1395	*/	1493	*/
1396	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1494	for (object *tmp = op->more; tmp; tmp = tmp->more)
1397	if (check_move_on (tmp, originator))	1495	if (check_move_on (tmp, originator))
1398	return 0;	1496	return 0;
1399	}	1497	}
1400		1498
1401	return op;	1499	return op;
…		…
1404	/* this function inserts an object in the map, but if it	1502	/* this function inserts an object in the map, but if it
1405	* finds an object of its own type, it'll remove that one first.	1503	* finds an object of its own type, it'll remove that one first.
1406	* op is the object to insert it under: supplies x and the map.	1504	* op is the object to insert it under: supplies x and the map.
1407	*/	1505	*/
1408	void	1506	void
1409	replace_insert_ob_in_map (const char *arch_string, object *op)	1507	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1410	{	1508	{
1411	object *tmp, *tmp1;
1412
1413	/* first search for itself and remove any old instances */	1509	/* first search for itself and remove any old instances */
1414		1510
1415	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1511	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1416	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1512	if (tmp->arch->archname == archname) /* same archetype */
1417	tmp->destroy ();	1513	tmp->destroy ();
1418		1514
1419	tmp1 = arch_to_object (archetype::find (arch_string));	1515	object *tmp = arch_to_object (archetype::find (archname));
1420		1516
1421	tmp1->x = op->x;	1517	tmp->x = op->x;
1422	tmp1->y = op->y;	1518	tmp->y = op->y;
		1519
1423	insert_ob_in_map (tmp1, op->map, op, 0);	1520	insert_ob_in_map (tmp, op->map, op, 0);
1424	}	1521	}
1425		1522
1426	object *	1523	object *
1427	object::insert_at (object *where, object *originator, int flags)	1524	object::insert_at (object *where, object *originator, int flags)
1428	{	1525	{
		1526	if (where->env)
		1527	return where->env->insert (this);
		1528	else
1429	where->map->insert (this, where->x, where->y, originator, flags);	1529	return where->map->insert (this, where->x, where->y, originator, flags);
1430	}	1530	}
1431		1531
1432	/*	1532	/*
1433	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1434	* is returned contains nr objects, and the remaining parts contains
1435	* the rest (or is removed and freed if that number is 0).
1436	* On failure, NULL is returned, and the reason put into the
1437	* global static errmsg array.
1438	*/
1439	object *
1440	get_split_ob (object *orig_ob, uint32 nr)
1441	{
1442	object *newob;
1443	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1444
1445	if (orig_ob->nrof < nr)
1446	{
1447	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1448	return NULL;
1449	}
1450
1451	newob = object_create_clone (orig_ob);
1452
1453	if ((orig_ob->nrof -= nr) < 1)
1454	orig_ob->destroy (1);
1455	else if (!is_removed)
1456	{
1457	if (orig_ob->env != NULL)
1458	sub_weight (orig_ob->env, orig_ob->weight * nr);
1459	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1460	{
1461	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1462	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1463	return NULL;
1464	}
1465	}
1466
1467	newob->nrof = nr;
1468
1469	return newob;
1470	}
1471
1472	/*
1473	* decrease_ob_nr(object, number) decreases a specified number from	1533	* decrease(object, number) decreases a specified number from
1474	* the amount of an object. If the amount reaches 0, the object	1534	* the amount of an object. If the amount reaches 0, the object
1475	* is subsequently removed and freed.	1535	* is subsequently removed and freed.
1476	*	1536	*
1477	* Return value: 'op' if something is left, NULL if the amount reached 0	1537	* Return value: 'op' if something is left, NULL if the amount reached 0
1478	*/	1538	*/
		1539	bool
		1540	object::decrease (sint32 nr)
		1541	{
		1542	if (!nr)
		1543	return true;
1479		1544
		1545	nr = min (nr, nrof);
		1546
		1547	if (nrof > nr)
		1548	{
		1549	nrof -= nr;
		1550	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1551
		1552	if (object *pl = visible_to ())
		1553	esrv_update_item (UPD_NROF, pl, this);
		1554
		1555	return true;
		1556	}
		1557	else
		1558	{
		1559	destroy ();
		1560	return false;
		1561	}
		1562	}
		1563
		1564	/*
		1565	* split(ob,nr) splits up ob into two parts. The part which
		1566	* is returned contains nr objects, and the remaining parts contains
		1567	* the rest (or is removed and returned if that number is 0).
		1568	* On failure, NULL is returned.
		1569	*/
1480	object *	1570	object *
1481	decrease_ob_nr (object *op, uint32 i)	1571	object::split (sint32 nr)
1482	{	1572	{
1483	object *tmp;	1573	int have = number_of ();
1484		1574
1485	if (i == 0) /* objects with op->nrof require this check */	1575	if (have < nr)
1486	return op;	1576	return 0;
1487		1577	else if (have == nr)
1488	if (i > op->nrof)
1489	i = op->nrof;
1490
1491	if (QUERY_FLAG (op, FLAG_REMOVED))
1492	op->nrof -= i;
1493	else if (op->env)
1494	{	1578	{
1495	/* is this object in the players inventory, or sub container
1496	* therein?
1497	*/
1498	tmp = op->in_player ();
1499	/* nope. Is this a container the player has opened?
1500	* If so, set tmp to that player.
1501	* IMO, searching through all the players will mostly
1502	* likely be quicker than following op->env to the map,
1503	* and then searching the map for a player.
1504	*/
1505	if (!tmp)
1506	for_all_players (pl)
1507	if (pl->ob->container == op->env)
1508	{
1509	tmp = pl->ob;
1510	break;
1511	}
1512
1513	if (i < op->nrof)
1514	{
1515	sub_weight (op->env, op->weight * i);
1516	op->nrof -= i;
1517	if (tmp)
1518	esrv_send_item (tmp, op);
1519	}
1520	else
1521	{
1522	op->remove ();	1579	remove ();
1523	op->nrof = 0;	1580	return this;
1524	if (tmp)
1525	esrv_del_item (tmp->contr, op->count);
1526	}
1527	}	1581	}
1528	else	1582	else
1529	{	1583	{
1530	object *above = op->above;	1584	decrease (nr);
1531		1585
1532	if (i < op->nrof)	1586	object *op = deep_clone ();
1533	op->nrof -= i;	1587	op->nrof = nr;
1534	else
1535	{
1536	op->remove ();
1537	op->nrof = 0;
1538	}
1539
1540	/* Since we just removed op, op->above is null */
1541	for (tmp = above; tmp; tmp = tmp->above)
1542	if (tmp->type == PLAYER)
1543	{
1544	if (op->nrof)
1545	esrv_send_item (tmp, op);
1546	else
1547	esrv_del_item (tmp->contr, op->count);
1548	}
1549	}
1550
1551	if (op->nrof)
1552	return op;	1588	return op;
1553	else
1554	{
1555	op->destroy ();
1556	return 0;
1557	}
1558	}
1559
1560	/*
1561	* add_weight(object, weight) adds the specified weight to an object,
1562	* and also updates how much the environment(s) is/are carrying.
1563	*/
1564
1565	void
1566	add_weight (object *op, signed long weight)
1567	{
1568	while (op != NULL)
1569	{
1570	if (op->type == CONTAINER)
1571	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1572
1573	op->carrying += weight;
1574	op = op->env;
1575	}	1589	}
1576	}	1590	}
1577		1591
1578	object *	1592	object *
1579	insert_ob_in_ob (object *op, object *where)	1593	insert_ob_in_ob (object *op, object *where)
…		…
1584	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1598	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1585	free (dump);	1599	free (dump);
1586	return op;	1600	return op;
1587	}	1601	}
1588		1602
1589	if (where->head)	1603	if (where->head_ () != where)
1590	{	1604	{
1591	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1605	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1592	where = where->head;	1606	where = where->head;
1593	}	1607	}
1594		1608
1595	return where->insert (op);	1609	return where->insert (op);
1596	}	1610	}
…		…
1601	* inside the object environment.	1615	* inside the object environment.
1602	*	1616	*
1603	* The function returns now pointer to inserted item, and return value can	1617	* The function returns now pointer to inserted item, and return value can
1604	* be != op, if items are merged. -Tero	1618	* be != op, if items are merged. -Tero
1605	*/	1619	*/
1606
1607	object *	1620	object *
1608	object::insert (object *op)	1621	object::insert (object *op)
1609	{	1622	{
1610	object *tmp, *otmp;
1611
1612	if (!QUERY_FLAG (op, FLAG_REMOVED))
1613	op->remove ();
1614
1615	if (op->more)	1623	if (op->more)
1616	{	1624	{
1617	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1625	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1618	return op;	1626	return op;
1619	}	1627	}
1620		1628
1621	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1629	op->remove ();
1622	CLEAR_FLAG (op, FLAG_REMOVED);	1630
		1631	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1632
1623	if (op->nrof)	1633	if (op->nrof)
1624	{
1625	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1634	for (object *tmp = inv; tmp; tmp = tmp->below)
1626	if (object::can_merge (tmp, op))	1635	if (object::can_merge (tmp, op))
1627	{	1636	{
1628	/* return the original object and remove inserted object	1637	/* return the original object and remove inserted object
1629	(client needs the original object) */	1638	(client needs the original object) */
1630	tmp->nrof += op->nrof;	1639	tmp->nrof += op->nrof;
1631	/* Weight handling gets pretty funky. Since we are adding to	1640
1632	* tmp->nrof, we need to increase the weight.	1641	if (object *pl = tmp->visible_to ())
1633	*/	1642	esrv_update_item (UPD_NROF, pl, tmp);
		1643
1634	add_weight (this, op->weight * op->nrof);	1644	adjust_weight (this, op->total_weight ());
1635	SET_FLAG (op, FLAG_REMOVED);	1645
1636	op->destroy (); /* free the inserted object */	1646	op->destroy ();
1637	op = tmp;	1647	op = tmp;
1638	op->remove (); /* and fix old object's links */	1648	goto inserted;
1639	CLEAR_FLAG (op, FLAG_REMOVED);
1640	break;
1641	}	1649	}
1642		1650
1643	/* I assume combined objects have no inventory	1651	op->owner = 0; // it's his/hers now. period.
1644	* We add the weight - this object could have just been removed
1645	* (if it was possible to merge). calling remove_ob will subtract
1646	* the weight, so we need to add it in again, since we actually do
1647	* the linking below
1648	*/
1649	add_weight (this, op->weight * op->nrof);
1650	}
1651	else
1652	add_weight (this, (op->weight + op->carrying));
1653
1654	otmp = this->in_player ();
1655	if (otmp && otmp->contr)
1656	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1657	otmp->update_stats ();
1658
1659	op->map = 0;	1652	op->map = 0;
1660	op->env = this;	1653	op->x = 0;
		1654	op->y = 0;
		1655
1661	op->above = 0;	1656	op->above = 0;
1662	op->below = 0;	1657	op->below = inv;
1663	op->x = 0, op->y = 0;	1658	op->env = this;
1664		1659
		1660	if (inv)
		1661	inv->above = op;
		1662
		1663	inv = op;
		1664
		1665	op->flag [FLAG_REMOVED] = 0;
		1666
		1667	if (object *pl = op->visible_to ())
		1668	esrv_send_item (pl, op);
		1669
		1670	adjust_weight (this, op->total_weight ());
		1671
		1672	inserted:
1665	/* reset the light list and los of the players on the map */	1673	/* reset the light list and los of the players on the map */
1666	if ((op->glow_radius != 0) && map)	1674	if (op->glow_radius && is_on_map ())
1667	{	1675	{
1668	#ifdef DEBUG_LIGHTS	1676	update_stats ();
1669	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1670	#endif /* DEBUG_LIGHTS */
1671	if (map->darkness)
1672	update_all_los (map, x, y);	1677	update_all_los (map, x, y);
1673	}
1674
1675	/* Client has no idea of ordering so lets not bother ordering it here.
1676	* It sure simplifies this function...
1677	*/
1678	if (!inv)
1679	inv = op;
1680	else
1681	{	1678	}
1682	op->below = inv;	1679	else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1683	op->below->above = op;	1680	// if this is a player's inventory, update stats
1684	inv = op;	1681	update_stats ();
1685	}
1686		1682
1687	INVOKE_OBJECT (INSERT, this);	1683	INVOKE_OBJECT (INSERT, this);
1688		1684
1689	return op;	1685	return op;
1690	}	1686	}
…		…
1710	* on top.	1706	* on top.
1711	*/	1707	*/
1712	int	1708	int
1713	check_move_on (object *op, object *originator)	1709	check_move_on (object *op, object *originator)
1714	{	1710	{
		1711	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1712	return 0;
		1713
1715	object *tmp;	1714	object *tmp;
1716	maptile *m = op->map;	1715	maptile *m = op->map;
1717	int x = op->x, y = op->y;	1716	int x = op->x, y = op->y;
1718		1717
1719	MoveType move_on, move_slow, move_block;	1718	mapspace &ms = m->at (x, y);
1720		1719
1721	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1720	ms.update ();
1722	return 0;
1723		1721
1724	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1722	MoveType move_on = ms.move_on;
1725	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1723	MoveType move_slow = ms.move_slow;
1726	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1724	MoveType move_block = ms.move_block;
1727		1725
1728	/* if nothing on this space will slow op down or be applied,	1726	/* if nothing on this space will slow op down or be applied,
1729	* no need to do checking below. have to make sure move_type	1727	* no need to do checking below. have to make sure move_type
1730	* is set, as lots of objects don't have it set - we treat that	1728	* is set, as lots of objects don't have it set - we treat that
1731	* as walking.	1729	* as walking.
…		…
1742	return 0;	1740	return 0;
1743		1741
1744	/* The objects have to be checked from top to bottom.	1742	/* The objects have to be checked from top to bottom.
1745	* Hence, we first go to the top:	1743	* Hence, we first go to the top:
1746	*/	1744	*/
1747		1745	for (object *next, *tmp = ms.top; tmp; tmp = next)
1748	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1749	{
1750	/* Trim the search when we find the first other spell effect
1751	* this helps performance so that if a space has 50 spell objects,
1752	* we don't need to check all of them.
1753	*/
1754	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1755	break;
1756	}	1746	{
		1747	next = tmp->below;
1757		1748
1758	for (; tmp; tmp = tmp->below)
1759	{
1760	if (tmp == op)	1749	if (tmp == op)
1761	continue; /* Can't apply yourself */	1750	continue; /* Can't apply yourself */
1762		1751
1763	/* Check to see if one of the movement types should be slowed down.	1752	/* Check to see if one of the movement types should be slowed down.
1764	* Second check makes sure that the movement types not being slowed	1753	* Second check makes sure that the movement types not being slowed
…		…
1769	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1758	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1770	{	1759	{
1771	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1760	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1772	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1761	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1773	{	1762	{
1774
1775	float
1776	diff = tmp->move_slow_penalty * FABS (op->speed);	1763	float diff = tmp->move_slow_penalty * fabs (op->speed);
1777		1764
1778	if (op->type == PLAYER)	1765	if (op->is_player ())
1779	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1766	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1780	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1767	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1781	diff /= 4.0;	1768	diff /= 4.0;
1782		1769
1783	op->speed_left -= diff;	1770	op->speed_left -= diff;
1784	}	1771	}
1785	}	1772	}
…		…
1818	LOG (llevError, "Present_arch called outside map.\n");	1805	LOG (llevError, "Present_arch called outside map.\n");
1819	return NULL;	1806	return NULL;
1820	}	1807	}
1821		1808
1822	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1809	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1823	if (tmp->arch == at)	1810	if (tmp->arch->archname == at->archname)
1824	return tmp;	1811	return tmp;
1825		1812
1826	return NULL;	1813	return NULL;
1827	}	1814	}
1828		1815
…		…
1892	* The first matching object is returned, or NULL if none.	1879	* The first matching object is returned, or NULL if none.
1893	*/	1880	*/
1894	object *	1881	object *
1895	present_arch_in_ob (const archetype *at, const object *op)	1882	present_arch_in_ob (const archetype *at, const object *op)
1896	{	1883	{
1897	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1884	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1898	if (tmp->arch == at)	1885	if (tmp->arch->archname == at->archname)
1899	return tmp;	1886	return tmp;
1900		1887
1901	return NULL;	1888	return NULL;
1902	}	1889	}
1903		1890
…		…
1905	* activate recursively a flag on an object inventory	1892	* activate recursively a flag on an object inventory
1906	*/	1893	*/
1907	void	1894	void
1908	flag_inv (object *op, int flag)	1895	flag_inv (object *op, int flag)
1909	{	1896	{
1910	if (op->inv)
1911	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1897	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1912	{	1898	{
1913	SET_FLAG (tmp, flag);	1899	SET_FLAG (tmp, flag);
1914	flag_inv (tmp, flag);	1900	flag_inv (tmp, flag);
1915	}	1901	}
1916	}	1902	}
1917		1903
1918	/*	1904	/*
1919	* deactivate recursively a flag on an object inventory	1905	* deactivate recursively a flag on an object inventory
1920	*/	1906	*/
1921	void	1907	void
1922	unflag_inv (object *op, int flag)	1908	unflag_inv (object *op, int flag)
1923	{	1909	{
1924	if (op->inv)
1925	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1910	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1926	{	1911	{
1927	CLEAR_FLAG (tmp, flag);	1912	CLEAR_FLAG (tmp, flag);
1928	unflag_inv (tmp, flag);	1913	unflag_inv (tmp, flag);
1929	}	1914	}
1930	}
1931
1932	/*
1933	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1934	* all it's inventory (recursively).
1935	* If checksums are used, a player will get set_cheat called for
1936	* him/her-self and all object carried by a call to this function.
1937	*/
1938	void
1939	set_cheat (object *op)
1940	{
1941	SET_FLAG (op, FLAG_WAS_WIZ);
1942	flag_inv (op, FLAG_WAS_WIZ);
1943	}	1915	}
1944		1916
1945	/*	1917	/*
1946	* find_free_spot(object, map, x, y, start, stop) will search for	1918	* find_free_spot(object, map, x, y, start, stop) will search for
1947	* a spot at the given map and coordinates which will be able to contain	1919	* a spot at the given map and coordinates which will be able to contain
…		…
1949	* to search (see the freearr_x/y[] definition).	1921	* to search (see the freearr_x/y[] definition).
1950	* It returns a random choice among the alternatives found.	1922	* It returns a random choice among the alternatives found.
1951	* start and stop are where to start relative to the free_arr array (1,9	1923	* start and stop are where to start relative to the free_arr array (1,9
1952	* does all 4 immediate directions). This returns the index into the	1924	* does all 4 immediate directions). This returns the index into the
1953	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1925	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1954	* Note - this only checks to see if there is space for the head of the
1955	* object - if it is a multispace object, this should be called for all
1956	* pieces.
1957	* Note2: This function does correctly handle tiled maps, but does not	1926	* Note: This function does correctly handle tiled maps, but does not
1958	* inform the caller. However, insert_ob_in_map will update as	1927	* inform the caller. However, insert_ob_in_map will update as
1959	* necessary, so the caller shouldn't need to do any special work.	1928	* necessary, so the caller shouldn't need to do any special work.
1960	* Note - updated to take an object instead of archetype - this is necessary	1929	* Note - updated to take an object instead of archetype - this is necessary
1961	* because arch_blocked (now ob_blocked) needs to know the movement type	1930	* because arch_blocked (now ob_blocked) needs to know the movement type
1962	* to know if the space in question will block the object. We can't use	1931	* to know if the space in question will block the object. We can't use
…		…
1964	* customized, changed states, etc.	1933	* customized, changed states, etc.
1965	*/	1934	*/
1966	int	1935	int
1967	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1936	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1968	{	1937	{
		1938	int altern[SIZEOFFREE];
1969	int index = 0, flag;	1939	int index = 0, flag;
1970	int altern[SIZEOFFREE];
1971		1940
1972	for (int i = start; i < stop; i++)	1941	for (int i = start; i < stop; i++)
1973	{	1942	{
1974	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1943	mapxy pos (m, x, y); pos.move (i);
1975	if (!flag)	1944
		1945	if (!pos.normalise ())
		1946	continue;
		1947
		1948	mapspace &ms = *pos;
		1949
		1950	if (ms.flags () & P_IS_ALIVE)
		1951	continue;
		1952
		1953	/* However, often
		1954	* ob doesn't have any move type (when used to place exits)
		1955	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1956	*/
		1957	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1958	{
1976	altern [index++] = i;	1959	altern [index++] = i;
		1960	continue;
		1961	}
1977		1962
1978	/* Basically, if we find a wall on a space, we cut down the search size.	1963	/* Basically, if we find a wall on a space, we cut down the search size.
1979	* In this way, we won't return spaces that are on another side of a wall.	1964	* In this way, we won't return spaces that are on another side of a wall.
1980	* This mostly work, but it cuts down the search size in all directions -	1965	* This mostly work, but it cuts down the search size in all directions -
1981	* if the space being examined only has a wall to the north and empty	1966	* if the space being examined only has a wall to the north and empty
1982	* spaces in all the other directions, this will reduce the search space	1967	* spaces in all the other directions, this will reduce the search space
1983	* to only the spaces immediately surrounding the target area, and	1968	* to only the spaces immediately surrounding the target area, and
1984	* won't look 2 spaces south of the target space.	1969	* won't look 2 spaces south of the target space.
1985	*/	1970	*/
1986	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1971	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1972	{
1987	stop = maxfree[i];	1973	stop = maxfree[i];
		1974	continue;
		1975	}
		1976
		1977	/* Note it is intentional that we check ob - the movement type of the
		1978	* head of the object should correspond for the entire object.
		1979	*/
		1980	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1981	continue;
		1982
		1983	if (ob->blocked (pos.m, pos.x, pos.y))
		1984	continue;
		1985
		1986	altern [index++] = i;
1988	}	1987	}
1989		1988
1990	if (!index)	1989	if (!index)
1991	return -1;	1990	return -1;
1992		1991
1993	return altern[RANDOM () % index];	1992	return altern [rndm (index)];
1994	}	1993	}
1995		1994
1996	/*	1995	/*
1997	* find_first_free_spot(archetype, maptile, x, y) works like	1996	* find_first_free_spot(archetype, maptile, x, y) works like
1998	* find_free_spot(), but it will search max number of squares.	1997	* find_free_spot(), but it will search max number of squares.
…		…
2001	*/	2000	*/
2002	int	2001	int
2003	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2002	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2004	{	2003	{
2005	for (int i = 0; i < SIZEOFFREE; i++)	2004	for (int i = 0; i < SIZEOFFREE; i++)
2006	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2005	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2007	return i;	2006	return i;
2008		2007
2009	return -1;	2008	return -1;
2010	}	2009	}
2011		2010
…		…
2019	{	2018	{
2020	arr += begin;	2019	arr += begin;
2021	end -= begin;	2020	end -= begin;
2022		2021
2023	while (--end)	2022	while (--end)
2024	swap (arr [end], arr [RANDOM () % (end + 1)]);	2023	swap (arr [end], arr [rndm (end + 1)]);
2025	}	2024	}
2026		2025
2027	/* new function to make monster searching more efficient, and effective!	2026	/* new function to make monster searching more efficient, and effective!
2028	* This basically returns a randomized array (in the passed pointer) of	2027	* This basically returns a randomized array (in the passed pointer) of
2029	* the spaces to find monsters. In this way, it won't always look for	2028	* the spaces to find monsters. In this way, it won't always look for
…		…
2057	* there is capable of.	2056	* there is capable of.
2058	*/	2057	*/
2059	int	2058	int
2060	find_dir (maptile *m, int x, int y, object *exclude)	2059	find_dir (maptile *m, int x, int y, object *exclude)
2061	{	2060	{
2062	int i, max = SIZEOFFREE, mflags;	2061	int max = SIZEOFFREE, mflags;
2063
2064	sint16 nx, ny;
2065	object *tmp;
2066	maptile *mp;
2067
2068	MoveType blocked, move_type;	2062	MoveType move_type;
2069		2063
2070	if (exclude && exclude->head)	2064	if (exclude && exclude->head_ () != exclude)
2071	{	2065	{
2072	exclude = exclude->head;	2066	exclude = exclude->head;
2073	move_type = exclude->move_type;	2067	move_type = exclude->move_type;
2074	}	2068	}
2075	else	2069	else
2076	{	2070	{
2077	/* If we don't have anything, presume it can use all movement types. */	2071	/* If we don't have anything, presume it can use all movement types. */
2078	move_type = MOVE_ALL;	2072	move_type = MOVE_ALL;
2079	}	2073	}
2080		2074
2081	for (i = 1; i < max; i++)	2075	for (int i = 1; i < max; i++)
2082	{	2076	{
2083	mp = m;	2077	mapxy pos (m, x, y);
2084	nx = x + freearr_x[i];	2078	pos.move (i);
2085	ny = y + freearr_y[i];
2086		2079
2087	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2080	if (!pos.normalise ())
2088
2089	if (mflags & P_OUT_OF_MAP)
2090	max = maxfree[i];	2081	max = maxfree[i];
2091	else	2082	else
2092	{	2083	{
2093	mapspace &ms = mp->at (nx, ny);	2084	mapspace &ms = *pos;
2094		2085
2095	blocked = ms.move_block;
2096
2097	if ((move_type & blocked) == move_type)	2086	if ((move_type & ms.move_block) == move_type)
2098	max = maxfree[i];	2087	max = maxfree [i];
2099	else if (mflags & P_IS_ALIVE)	2088	else if (ms.flags () & P_IS_ALIVE)
2100	{	2089	{
2101	for (tmp = ms.bot; tmp; tmp = tmp->above)	2090	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2102	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2091	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2103	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2092	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2104	break;
2105
2106	if (tmp)
2107	return freedir[i];	2093	return freedir [i];
2108	}	2094	}
2109	}	2095	}
2110	}	2096	}
2111		2097
2112	return 0;	2098	return 0;
…		…
2163		2149
2164	return 3;	2150	return 3;
2165	}	2151	}
2166		2152
2167	/*	2153	/*
2168	* absdir(int): Returns a number between 1 and 8, which represent
2169	* the "absolute" direction of a number (it actually takes care of
2170	* "overflow" in previous calculations of a direction).
2171	*/
2172
2173	int
2174	absdir (int d)
2175	{
2176	while (d < 1)
2177	d += 8;
2178
2179	while (d > 8)
2180	d -= 8;
2181
2182	return d;
2183	}
2184
2185	/*
2186	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2154	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2187	* between two directions (which are expected to be absolute (see absdir())	2155	* between two directions (which are expected to be absolute (see absdir())
2188	*/	2156	*/
2189
2190	int	2157	int
2191	dirdiff (int dir1, int dir2)	2158	dirdiff (int dir1, int dir2)
2192	{	2159	{
2193	int d;	2160	int d;
2194		2161
…		…
2206	* This basically means that if direction is 15, then it could either go	2173	* This basically means that if direction is 15, then it could either go
2207	* direction 4, 14, or 16 to get back to where we are.	2174	* direction 4, 14, or 16 to get back to where we are.
2208	* Moved from spell_util.c to object.c with the other related direction	2175	* Moved from spell_util.c to object.c with the other related direction
2209	* functions.	2176	* functions.
2210	*/	2177	*/
2211	int reduction_dir[SIZEOFFREE][3] = {	2178	const int reduction_dir[SIZEOFFREE][3] = {
2212	{0, 0, 0}, /* 0 */	2179	{0, 0, 0}, /* 0 */
2213	{0, 0, 0}, /* 1 */	2180	{0, 0, 0}, /* 1 */
2214	{0, 0, 0}, /* 2 */	2181	{0, 0, 0}, /* 2 */
2215	{0, 0, 0}, /* 3 */	2182	{0, 0, 0}, /* 3 */
2216	{0, 0, 0}, /* 4 */	2183	{0, 0, 0}, /* 4 */
…		…
2307	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2274	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2308	* core dumps if they do.	2275	* core dumps if they do.
2309	*	2276	*
2310	* Add a check so we can't pick up invisible objects (0.93.8)	2277	* Add a check so we can't pick up invisible objects (0.93.8)
2311	*/	2278	*/
2312
2313	int	2279	int
2314	can_pick (const object *who, const object *item)	2280	can_pick (const object *who, const object *item)
2315	{	2281	{
2316	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2282	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2317	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2283	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2318	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2284	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2319	}	2285	}
2320		2286
2321	/*	2287	/*
2322	* create clone from object to another	2288	* create clone from object to another
2323	*/	2289	*/
2324	object *	2290	object *
2325	object_create_clone (object *asrc)	2291	object::deep_clone ()
2326	{	2292	{
2327	object *dst = 0, *tmp, *src, *part, *prev, *item;	2293	assert (("deep_clone called on non-head object", is_head ()));
2328		2294
2329	if (!asrc)	2295	object *dst = clone ();
2330	return 0;
2331		2296
2332	src = asrc;	2297	object *prev = dst;
2333	if (src->head)
2334	src = src->head;
2335
2336	prev = 0;
2337	for (part = src; part; part = part->more)	2298	for (object *part = this->more; part; part = part->more)
2338	{	2299	{
2339	tmp = part->clone ();	2300	object *tmp = part->clone ();
2340	tmp->x -= src->x;
2341	tmp->y -= src->y;
2342
2343	if (!part->head)
2344	{
2345	dst = tmp;
2346	tmp->head = 0;
2347	}
2348	else
2349	tmp->head = dst;	2301	tmp->head = dst;
2350
2351	tmp->more = 0;
2352
2353	if (prev)
2354	prev->more = tmp;	2302	prev->more = tmp;
2355
2356	prev = tmp;	2303	prev = tmp;
2357	}	2304	}
2358		2305
2359	for (item = src->inv; item; item = item->below)	2306	for (object *item = inv; item; item = item->below)
2360	insert_ob_in_ob (object_create_clone (item), dst);	2307	insert_ob_in_ob (item->deep_clone (), dst);
2361		2308
2362	return dst;	2309	return dst;
2363	}
2364
2365	/* GROS - Creates an object using a string representing its content. */
2366	/* Basically, we save the content of the string to a temp file, then call */
2367	/* load_object on it. I admit it is a highly inefficient way to make things, */
2368	/* but it was simple to make and allows reusing the load_object function. */
2369	/* Remember not to use load_object_str in a time-critical situation. */
2370	/* Also remember that multiparts objects are not supported for now. */
2371	object *
2372	load_object_str (const char *obstr)
2373	{
2374	object *op;
2375	char filename[MAX_BUF];
2376
2377	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2378
2379	FILE *tempfile = fopen (filename, "w");
2380
2381	if (tempfile == NULL)
2382	{
2383	LOG (llevError, "Error - Unable to access load object temp file\n");
2384	return NULL;
2385	}
2386
2387	fprintf (tempfile, obstr);
2388	fclose (tempfile);
2389
2390	op = object::create ();
2391
2392	object_thawer thawer (filename);
2393
2394	if (thawer)
2395	load_object (thawer, op, 0);
2396
2397	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2398	CLEAR_FLAG (op, FLAG_REMOVED);
2399
2400	return op;
2401	}	2310	}
2402		2311
2403	/* This returns the first object in who's inventory that	2312	/* This returns the first object in who's inventory that
2404	* has the same type and subtype match.	2313	* has the same type and subtype match.
2405	* returns NULL if no match.	2314	* returns NULL if no match.
…		…
2412	return tmp;	2321	return tmp;
2413		2322
2414	return 0;	2323	return 0;
2415	}	2324	}
2416		2325
2417	/* If ob has a field named key, return the link from the list,	2326	shstr_tmp
2418	* otherwise return NULL.	2327	object::kv_get (shstr_tmp key) const
2419	*
2420	* key must be a passed in shared string - otherwise, this won't
2421	* do the desired thing.
2422	*/
2423	key_value *
2424	get_ob_key_link (const object *ob, const char *key)
2425	{	2328	{
2426	for (key_value *link = ob->key_values; link; link = link->next)	2329	for (key_value *kv = key_values; kv; kv = kv->next)
2427	if (link->key == key)	2330	if (kv->key == key)
2428	return link;
2429
2430	return 0;
2431	}
2432
2433	/*
2434	* Returns the value of op has an extra_field for key, or NULL.
2435	*
2436	* The argument doesn't need to be a shared string.
2437	*
2438	* The returned string is shared.
2439	*/
2440	const char *
2441	get_ob_key_value (const object *op, const char *const key)
2442	{
2443	key_value *link;
2444	shstr_cmp canonical_key (key);
2445
2446	if (!canonical_key)
2447	{
2448	/* 1. There being a field named key on any object
2449	* implies there'd be a shared string to find.
2450	* 2. Since there isn't, no object has this field.
2451	* 3. Therefore, *this* object doesn't have this field.
2452	*/
2453	return 0;
2454	}
2455
2456	/* This is copied from get_ob_key_link() above -
2457	* only 4 lines, and saves the function call overhead.
2458	*/
2459	for (link = op->key_values; link; link = link->next)
2460	if (link->key == canonical_key)
2461	return link->value;	2331	return kv->value;
2462		2332
2463	return 0;	2333	return shstr ();
2464	}	2334	}
2465		2335
2466		2336	void
2467	/*	2337	object::kv_set (shstr_tmp key, shstr_tmp value)
2468	* Updates the canonical_key in op to value.
2469	*
2470	* canonical_key is a shared string (value doesn't have to be).
2471	*
2472	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2473	* keys.
2474	*
2475	* Returns TRUE on success.
2476	*/
2477	int
2478	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2479	{	2338	{
2480	key_value *field = NULL, *last = NULL;	2339	for (key_value *kv = key_values; kv; kv = kv->next)
2481		2340	if (kv->key == key)
2482	for (field = op->key_values; field != NULL; field = field->next)
2483	{
2484	if (field->key != canonical_key)
2485	{	2341	{
2486	last = field;	2342	kv->value = value;
2487	continue;	2343	return;
2488	}	2344	}
2489		2345
2490	if (value)	2346	key_value *kv = new key_value;
2491	field->value = value;	2347
2492	else	2348	kv->next = key_values;
		2349	kv->key = key;
		2350	kv->value = value;
		2351
		2352	key_values = kv;
		2353	}
		2354
		2355	void
		2356	object::kv_del (shstr_tmp key)
		2357	{
		2358	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2359	if ((*kvp)->key == key)
2493	{	2360	{
2494	/* Basically, if the archetype has this key set,	2361	key_value *kv = *kvp;
2495	* we need to store the null value so when we save	2362	*kvp = (*kvp)->next;
2496	* it, we save the empty value so that when we load,	2363	delete kv;
2497	* we get this value back again.	2364	return;
2498	*/
2499	if (get_ob_key_link (&op->arch->clone, canonical_key))
2500	field->value = 0;
2501	else
2502	{
2503	if (last)
2504	last->next = field->next;
2505	else
2506	op->key_values = field->next;
2507
2508	delete field;
2509	}
2510	}	2365	}
2511	return TRUE;
2512	}
2513	/* IF we get here, key doesn't exist */
2514
2515	/* No field, we'll have to add it. */
2516
2517	if (!add_key)
2518	return FALSE;
2519
2520	/* There isn't any good reason to store a null
2521	* value in the key/value list. If the archetype has
2522	* this key, then we should also have it, so shouldn't
2523	* be here. If user wants to store empty strings,
2524	* should pass in ""
2525	*/
2526	if (value == NULL)
2527	return TRUE;
2528
2529	field = new key_value;
2530
2531	field->key = canonical_key;
2532	field->value = value;
2533	/* Usual prepend-addition. */
2534	field->next = op->key_values;
2535	op->key_values = field;
2536
2537	return TRUE;
2538	}
2539
2540	/*
2541	* Updates the key in op to value.
2542	*
2543	* If add_key is FALSE, this will only update existing keys,
2544	* and not add new ones.
2545	* In general, should be little reason FALSE is ever passed in for add_key
2546	*
2547	* Returns TRUE on success.
2548	*/
2549	int
2550	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2551	{
2552	shstr key_ (key);
2553
2554	return set_ob_key_value_s (op, key_, value, add_key);
2555	}	2366	}
2556		2367
2557	object::depth_iterator::depth_iterator (object *container)	2368	object::depth_iterator::depth_iterator (object *container)
2558	: iterator_base (container)	2369	: iterator_base (container)
2559	{	2370	{
…		…
2572	item = item->inv;	2383	item = item->inv;
2573	}	2384	}
2574	else	2385	else
2575	item = item->env;	2386	item = item->env;
2576	}	2387	}
2577
2578		2388
2579	const char *	2389	const char *
2580	object::flag_desc (char *desc, int len) const	2390	object::flag_desc (char *desc, int len) const
2581	{	2391	{
2582	char *p = desc;	2392	char *p = desc;
…		…
2610	{	2420	{
2611	char flagdesc[512];	2421	char flagdesc[512];
2612	char info2[256 * 4];	2422	char info2[256 * 4];
2613	char *p = info;	2423	char *p = info;
2614		2424
2615	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",	2425	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2616	count, uuid.seq,	2426	count,
		2427	uuid.c_str (),
2617	&name,	2428	&name,
2618	title ? "\",title:" : "",	2429	title ? ",title:\"" : "",
2619	title ? (const char *)title : "",	2430	title ? (const char *)title : "",
		2431	title ? "\"" : "",
2620	flag_desc (flagdesc, 512), type);	2432	flag_desc (flagdesc, 512), type);
2621		2433
2622	if (env)	2434	if (!flag[FLAG_REMOVED] && env)
2623	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2435	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2624		2436
2625	if (map)	2437	if (map)
2626	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2438	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2627		2439
…		…
2629	}	2441	}
2630		2442
2631	const char *	2443	const char *
2632	object::debug_desc () const	2444	object::debug_desc () const
2633	{	2445	{
2634	static char info[256 * 4];	2446	static char info[3][256 * 4];
		2447	static int info_idx;
		2448
2635	return debug_desc (info);	2449	return debug_desc (info [++info_idx % 3]);
2636	}	2450	}
2637		2451
		2452	struct region *
		2453	object::region () const
		2454	{
		2455	return map ? map->region (x, y)
		2456	: region::default_region ();
		2457	}
		2458
		2459	const materialtype_t *
		2460	object::dominant_material () const
		2461	{
		2462	if (materialtype_t *mt = name_to_material (materialname))
		2463	return mt;
		2464
		2465	return name_to_material (shstr_unknown);
		2466	}
		2467
		2468	void
		2469	object::open_container (object *new_container)
		2470	{
		2471	if (container == new_container)
		2472	return;
		2473
		2474	object *old_container = container;
		2475
		2476	if (old_container)
		2477	{
		2478	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2479	return;
		2480
		2481	#if 0
		2482	// remove the "Close old_container" object.
		2483	if (object *closer = old_container->inv)
		2484	if (closer->type == CLOSE_CON)
		2485	closer->destroy ();
		2486	#endif
		2487
		2488	// make sure the container is available
		2489	esrv_send_item (this, old_container);
		2490
		2491	old_container->flag [FLAG_APPLIED] = false;
		2492	container = 0;
		2493
		2494	// client needs item update to make it work, client bug requires this to be separate
		2495	esrv_update_item (UPD_FLAGS, this, old_container);
		2496
		2497	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2498	play_sound (sound_find ("chest_close"));
		2499	}
		2500
		2501	if (new_container)
		2502	{
		2503	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2504	return;
		2505
		2506	// TODO: this does not seem to serve any purpose anymore?
		2507	#if 0
		2508	// insert the "Close Container" object.
		2509	if (archetype *closer = new_container->other_arch)
		2510	{
		2511	object *closer = arch_to_object (new_container->other_arch);
		2512	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2513	new_container->insert (closer);
		2514	}
		2515	#endif
		2516
		2517	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2518
		2519	// make sure the container is available, client bug requires this to be separate
		2520	esrv_send_item (this, new_container);
		2521
		2522	new_container->flag [FLAG_APPLIED] = true;
		2523	container = new_container;
		2524
		2525	// client needs flag change
		2526	esrv_update_item (UPD_FLAGS, this, new_container);
		2527	esrv_send_inventory (this, new_container);
		2528	play_sound (sound_find ("chest_open"));
		2529	}
		2530	// else if (!old_container->env && contr && contr->ns)
		2531	// contr->ns->floorbox_reset ();
		2532	}
		2533
		2534	object *
		2535	object::force_find (shstr_tmp name)
		2536	{
		2537	/* cycle through his inventory to look for the MARK we want to
		2538	* place
		2539	*/
		2540	for (object *tmp = inv; tmp; tmp = tmp->below)
		2541	if (tmp->type == FORCE && tmp->slaying == name)
		2542	return splay (tmp);
		2543
		2544	return 0;
		2545	}
		2546
		2547	//-GPL
		2548
		2549	void
		2550	object::force_set_timer (int duration)
		2551	{
		2552	this->duration = 1;
		2553	this->speed_left = -1.f;
		2554
		2555	this->set_speed (duration ? 1.f / duration : 0.f);
		2556	}
		2557
		2558	object *
		2559	object::force_add (shstr_tmp name, int duration)
		2560	{
		2561	if (object *force = force_find (name))
		2562	force->destroy ();
		2563
		2564	object *force = get_archetype (FORCE_NAME);
		2565
		2566	force->slaying = name;
		2567	force->force_set_timer (duration);
		2568	force->flag [FLAG_APPLIED] = true;
		2569
		2570	return insert (force);
		2571	}
		2572
		2573	void
		2574	object::play_sound (faceidx sound) const
		2575	{
		2576	if (!sound)
		2577	return;
		2578
		2579	if (is_on_map ())
		2580	map->play_sound (sound, x, y);
		2581	else if (object *pl = in_player ())
		2582	pl->contr->play_sound (sound);
		2583	}
		2584
		2585	void
		2586	object::say_msg (const char *msg) const
		2587	{
		2588	if (is_on_map ())
		2589	map->say_msg (msg, x, y);
		2590	else if (object *pl = in_player ())
		2591	pl->contr->play_sound (sound);
		2592	}
		2593
		2594	void
		2595	object::make_noise ()
		2596	{
		2597	// we do not model noise in the map, so instead put
		2598	// a temporary light into the noise source
		2599	// could use the map instead, but that's less reliable for our
		2600	// goal, which is to make invisibility a bit harder to exploit
		2601
		2602	// currently only works sensibly for players
		2603	if (!is_player ())
		2604	return;
		2605
		2606	// find old force, or create new one
		2607	object *force = force_find (shstr_noise_force);
		2608
		2609	if (force)
		2610	force->speed_left = -1.f; // patch old speed up
		2611	else
		2612	{
		2613	force = archetype::get (shstr_noise_force);
		2614
		2615	force->slaying = shstr_noise_force;
		2616	force->stats.food = 1;
		2617	force->speed_left = -1.f;
		2618
		2619	force->set_speed (1.f / 4.f);
		2620	force->flag [FLAG_IS_USED_UP] = true;
		2621	force->flag [FLAG_APPLIED] = true;
		2622
		2623	insert (force);
		2624	}
		2625	}
		2626

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