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Comparing deliantra/server/common/object.C (file contents):
Revision 1.120 by root, Sun Jan 21 21:28:27 2007 UTC vs.
Revision 1.299 by root, Sun Nov 8 20:55:39 2009 UTC

1	/*	1	/*
2	* CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
19	* along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
21	*	21	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	23	*/
24		24
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	25	#include <global.h>
29	#include <stdio.h>	26	#include <stdio.h>
30	#include <sys/types.h>	27	#include <sys/types.h>
31	#include <sys/uio.h>	28	#include <sys/uio.h>
32	#include <object.h>	29	#include <object.h>
33	#include <funcpoint.h>	30	#include <sproto.h>
34	#include <loader.h>	31	#include <loader.h>
35		32
36	#include <bitset>	33	#include <bitset>
37		34
38	int nrofallocobjects = 0;	35	UUID UUID::cur;
39	static UUID uuid;	36	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
		38	uint32_t mapspace::smellcount = 10000;
41		39
42	objectvec objects;	40	objectvec objects;
43	activevec actives;	41	activevec actives;
44		42
45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	43	//+GPL
		44
		45	short freearr_x[SIZEOFFREE] = {
		46	0,
		47	0, 1, 1, 1, 0, -1, -1, -1,
		48	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	49	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
47	};	50	};
48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	51	short freearr_y[SIZEOFFREE] = {
		52	0,
		53	-1, -1, 0, 1, 1, 1, 0, -1,
		54	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
49	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	55	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50	};
51	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,
52	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
53	};	56	};
54	int freedir[SIZEOFFREE] = {	57	int freedir[SIZEOFFREE] = {
55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	58	0,
		59	1, 2, 3, 4, 5, 6, 7, 8,
		60	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	61	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
57	};	62	};
58		63
		64	static int maxfree[SIZEOFFREE] = {
		65	0,
		66	9, 10, 13, 14, 17, 18, 21, 22,
		67	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		68	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		69	};
		70
59	static void	71	static void
60	write_uuid (void)	72	write_uuid (uval64 skip, bool sync)
61	{	73	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	74	CALL_BEGIN (2);
63		75	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	76	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	77	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		78	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	79	}
79		80
80	static void	81	static void
81	read_uuid (void)	82	read_uuid (void)
82	{	83	{
83	char filename[MAX_BUF];	84	char filename[MAX_BUF];
84		85
85	sprintf (filename, "%s/uuid", settings.localdir);	86	sprintf (filename, "%s/uuid", settings.localdir);
		87
		88	seq_next_save = 0;
86		89
87	FILE *fp;	90	FILE *fp;
88		91
89	if (!(fp = fopen (filename, "r")))	92	if (!(fp = fopen (filename, "r")))
90	{	93	{
91	if (errno == ENOENT)	94	if (errno == ENOENT)
92	{	95	{
93	LOG (llevInfo, "RESET uid to 1\n");	96	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	97	UUID::cur.seq = 0;
95	write_uuid ();	98	write_uuid (UUID_GAP, true);
96	return;	99	return;
97	}	100	}
98		101
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	102	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	103	_exit (1);
101	}	104	}
102		105
103	int version;	106	UUID::BUF buf;
104	unsigned long long uid;	107	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	108	fgets (buf, sizeof (buf), fp);
		109
		110	if (!UUID::cur.parse (buf))
106	{	111	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	112	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	113	_exit (1);
109	}	114	}
110		115
111	uuid.seq = uid;	116	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	117
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	118	write_uuid (UUID_GAP, true);
114	fclose (fp);	119	fclose (fp);
115	}	120	}
116		121
117	UUID	122	UUID
118	gen_uuid ()	123	UUID::gen ()
119	{	124	{
120	UUID uid;	125	UUID uid;
121		126
122	uid.seq = ++uuid.seq;	127	uid.seq = ++cur.seq;
123		128
124	if (!(uuid.seq & (UUID_SKIP - 1)))	129	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	130	{
		131	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		132	write_uuid (UUID_GAP, false);
		133	}
		134
126		135
127	return uid;	136	return uid;
128	}	137	}
129		138
130	void	139	void
131	init_uuid ()	140	UUID::init ()
132	{	141	{
133	read_uuid ();	142	read_uuid ();
134	}	143	}
135		144
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	145	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	146	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	147	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	148	{
140	key_value *wants_field;
141
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	149	/* n-squared behaviour (see kv_get), but I'm hoping both
143	* objects with lists are rare, and lists stay short. If not, use a	150	* objects with lists are rare, and lists stay short. If not, use a
144	* different structure or at least keep the lists sorted...	151	* different structure or at least keep the lists sorted...
145	*/	152	*/
146		153
147	/* For each field in wants, */	154	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	155	for (key_value *kv = wants->key_values; kv; kv = kv->next)
149	{	156	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	157	return false;
151
152	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);
154
155	if (has_field == NULL)
156	{
157	/* No field with that name. */
158	return FALSE;
159	}
160
161	/* Found the matching field. */
162	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167
168	/* If we get here, we found a match. Now for the next field in wants. */
169	}
170		158
171	/* If we get here, every field in wants has a matching field in has. */	159	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	160	return true;
173	}	161	}
174		162
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	163	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	164	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	165	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	166	{
179	/* However, there may be fields in has which aren't partnered in wants,	167	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	168	* so we need to run the comparison *twice*. :(
181	*/	169	*/
182	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	170	return compare_ob_value_lists_one (ob1, ob2)
		171	&& compare_ob_value_lists_one (ob2, ob1);
183	}	172	}
184		173
185	/* Function examines the 2 objects given to it, and returns true if	174	/* Function examines the 2 objects given to it, and returns true if
186	* they can be merged together.	175	* they can be merged together.
187	*	176	*
…		…
197	bool object::can_merge_slow (object *ob1, object *ob2)	186	bool object::can_merge_slow (object *ob1, object *ob2)
198	{	187	{
199	/* A couple quicksanity checks */	188	/* A couple quicksanity checks */
200	if (ob1 == ob2	189	if (ob1 == ob2
201	|| ob1->type != ob2->type	190	|| ob1->type != ob2->type
202	|| ob1->speed != ob2->speed	191	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED
203	|| ob1->value != ob2->value	192	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	193	|| ob1->name != ob2->name)
205	return 0;	194	return 0;
206		195
207	//TODO: this ain't working well, use nicer and correct overflow check
208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	196	/* Do not merge objects if nrof would overflow, assume nrof
209	* value could not be stored in a sint32 (which unfortunately sometimes is	197	* is always 0 .. 2**31-1 */
210	* used to store nrof).	198	if (ob1->nrof > 0x7fffffff - ob2->nrof)
211	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
213	return 0;	199	return 0;
214		200
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	201	/* If the objects have been identified, set the BEEN_APPLIED flag.
216	* This is to the comparison of the flags below will be OK. We	202	* This is to the comparison of the flags below will be OK. We
217	* just can't ignore the been applied or identified flags, as they	203	* just can't ignore the been applied or identified flags, as they
218	* are not equal - just if it has been identified, the been_applied	204	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	205	* flags lose any meaning.
220	*/	206	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	207	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	208	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		209
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	210	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	211	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		212
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	213	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	214	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	215	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	216	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	217	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	218	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	219	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	220	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	221	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	222	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	223	|| ob1->animation_id != ob2->animation_id
		224	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
241	|| ob1->client_type != ob2->client_type	225	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	226	|| ob1->materialname != ob2->materialname
243	|| ob1->lore != ob2->lore	227	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	228	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	229	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	230	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	231	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	232	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	233	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	234	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	235	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		236	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		237	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	238	return 0;
253		239
		240	if ((ob1->flag ^ ob2->flag)
		241	.reset (FLAG_INV_LOCKED)
		242	.reset (FLAG_REMOVED)
		243	.any ())
		244	return 0;
		245
254	/* This is really a spellbook check - really, we should	246	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	247	* not merge objects with real inventories, as splitting them
		248	* is hard.
256	*/	249	*/
257	if (ob1->inv || ob2->inv)	250	if (ob1->inv || ob2->inv)
258	{	251	{
259	/* if one object has inventory but the other doesn't, not equiv */	252	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	253	return 0; /* inventories differ in length */
261	return 0;
262		254
263	/* Now check to see if the two inventory objects could merge */	255	if (ob1->inv->below || ob2->inv->below)
		256	return 0; /* more than one object in inv */
		257
264	if (!object::can_merge (ob1->inv, ob2->inv))	258	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	259	return 0; /* inventory objects differ */
266		260
267	/* inventory ok - still need to check rest of this object to see	261	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	262	* if it is valid.
269	*/	263	*/
270	}	264	}
…		…
289	if (ob1->level != ob2->level)	283	if (ob1->level != ob2->level)
290	return 0;	284	return 0;
291	break;	285	break;
292	}	286	}
293		287
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	288	if (ob1->key_values || ob2->key_values)
295	{	289	{
296	/* At least one of these has key_values. */	290	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	291	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	292	return 0; /* One has fields, but the other one doesn't. */
		293
		294	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	295	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	296	}
303		297
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	298	if (ob1->self || ob2->self)
306	{	299	{
307	ob1->optimise ();	300	ob1->optimise ();
308	ob2->optimise ();	301	ob2->optimise ();
309		302
310	if (ob1->self || ob2->self)	303	if (ob1->self || ob2->self)
		304	{
		305	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		306	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		307
		308	if (k1 != k2)
311	return 0;	309	return 0;
		310
		311	if (k1 == 0)
		312	return 1;
		313
		314	if (!cfperl_can_merge (ob1, ob2))
		315	return 0;
		316	}
312	}	317	}
313		318
314	/* Everything passes, must be OK. */	319	/* Everything passes, must be OK. */
315	return 1;	320	return 1;
316	}	321	}
317		322
		323	// find player who can see this object
		324	object *
		325	object::visible_to () const
		326	{
		327	if (client_visible () && !flag [FLAG_REMOVED])
		328	{
		329	// see if we are in a container of sorts
		330	if (env)
		331	{
		332	// the player inventory itself is always visible
		333	if (env->is_player ())
		334	return env;
		335
		336	// else a player could have our env open
		337	object *envest = env->outer_env_or_self ();
		338
		339	// the player itself is always on a map, so we will find him here
		340	// even if our inv is in a player.
		341	if (envest->is_on_map ())
		342	if (object *pl = envest->ms ().player ())
		343	if (pl->container_ () == env)
		344	return pl;
		345	}
		346	else
		347	{
		348	// maybe there is a player standing on the same mapspace
		349	// this will catch the case where "this" is a player
		350	if (object *pl = ms ().player ())
		351	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		352	|| pl->container_ () == this)
		353	return pl;
		354	}
		355	}
		356
		357	return 0;
		358	}
		359
		360	// adjust weight per container type ("of holding")
		361	static sint32
		362	weight_adjust_for (object *op, sint32 weight)
		363	{
		364	return op->type == CONTAINER
		365	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		366	: weight;
		367	}
		368
318	/*	369	/*
		370	* adjust_weight(object, weight) adds the specified weight to an object,
		371	* and also updates how much the environment(s) is/are carrying.
		372	*/
		373	static void
		374	adjust_weight (object *op, sint32 weight)
		375	{
		376	while (op)
		377	{
		378	// adjust by actual difference to account for rounding errors
		379	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		380	weight = weight_adjust_for (op, op->carrying)
		381	- weight_adjust_for (op, op->carrying - weight);
		382
		383	if (!weight)
		384	return;
		385
		386	op->carrying += weight;
		387
		388	if (object *pl = op->visible_to ())
		389	if (pl != op) // player is handled lazily
		390	esrv_update_item (UPD_WEIGHT, pl, op);
		391
		392	op = op->env;
		393	}
		394	}
		395
		396	/*
319	* sum_weight() is a recursive function which calculates the weight	397	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	398	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	399	* containers are carrying, and sums it up.
322	*/	400	*/
323	long	401	void
324	sum_weight (object *op)	402	object::update_weight ()
325	{	403	{
326	long sum;	404	sint32 sum = 0;
327	object *inv;
328		405
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	406	for (object *op = inv; op; op = op->below)
330	{	407	{
331	if (inv->inv)	408	if (op->inv)
332	sum_weight (inv);	409	op->update_weight ();
333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	410
		411	sum += op->total_weight ();
		412	}
		413
		414	sum = weight_adjust_for (this, sum);
		415
		416	if (sum != carrying)
334	}	417	{
335
336	if (op->type == CONTAINER && op->stats.Str)
337	sum = (sum * (100 - op->stats.Str)) / 100;
338
339	if (op->carrying != sum)
340	op->carrying = sum;	418	carrying = sum;
341		419
342	return sum;	420	if (object *pl = visible_to ())
		421	if (pl != this) // player is handled lazily
		422	esrv_update_item (UPD_WEIGHT, pl, this);
		423	}
343	}	424	}
344		425
345	/**	426	/*
346	* Return the outermost environment object for a given object.	427	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/	428	*/
348
349	object *
350	object_get_env_recursive (object *op)
351	{
352	while (op->env != NULL)
353	op = op->env;
354	return op;
355	}
356
357	/*
358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
359	* Some error messages.
360	* The result of the dump is stored in the static global errmsg array.
361	*/
362
363	char *	429	char *
364	dump_object (object *op)	430	dump_object (object *op)
365	{	431	{
366	if (!op)	432	if (!op)
367	return strdup ("[NULLOBJ]");	433	return strdup ("[NULLOBJ]");
368		434
369	object_freezer freezer;	435	object_freezer freezer;
370	save_object (freezer, op, 1);	436	op->write (freezer);
371	return freezer.as_string ();	437	return freezer.as_string ();
372	}	438	}
373		439
374	/*	440	char *
375	* get_nearest_part(multi-object, object 2) returns the part of the	441	object::as_string ()
376	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.
378	*/
379
380	object *
381	get_nearest_part (object *op, const object *pl)
382	{	442	{
383	object *tmp, *closest;	443	return dump_object (this);
384	int last_dist, i;
385
386	if (op->more == NULL)
387	return op;
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;
391	return closest;
392	}	444	}
393		445
394	/*	446	/*
395	* Returns the object which has the count-variable equal to the argument.	447	* Returns the object which has the count-variable equal to the argument.
		448	* VERRRY slow.
396	*/	449	*/
397	object *	450	object *
398	find_object (tag_t i)	451	find_object (tag_t i)
399	{	452	{
400	for_all_objects (op)	453	for_all_objects (op)
…		…
411	*/	464	*/
412	object *	465	object *
413	find_object_name (const char *str)	466	find_object_name (const char *str)
414	{	467	{
415	shstr_cmp str_ (str);	468	shstr_cmp str_ (str);
416	object *op;
417		469
		470	if (str_)
418	for_all_objects (op)	471	for_all_objects (op)
419	if (op->name == str_)	472	if (op->name == str_)
420	break;	473	return op;
421		474
422	return op;	475	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	476	}
430		477
431	/*	478	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	479	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	480	* skill and experience objects.
		481	* ACTUALLY NO! investigate! TODO
434	*/	482	*/
435	void	483	void
436	object::set_owner (object *owner)	484	object::set_owner (object *owner)
437	{	485	{
		486	// allow objects which own objects
438	if (!owner)	487	if (owner)
439	return;
440
441	/* next line added to allow objects which own objects */
442	/* Add a check for ownercounts in here, as I got into an endless loop
443	* with the fireball owning a poison cloud which then owned the
444	* fireball. I believe that was caused by one of the objects getting
445	* freed and then another object replacing it. Since the ownercounts
446	* didn't match, this check is valid and I believe that cause is valid.
447	*/
448	while (owner->owner)	488	while (owner->owner)
449	owner = owner->owner;	489	owner = owner->owner;
		490
		491	if (flag [FLAG_FREED])
		492	{
		493	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		494	return;
		495	}
450		496
451	this->owner = owner;	497	this->owner = owner;
		498	}
		499
		500	int
		501	object::slottype () const
		502	{
		503	if (type == SKILL)
		504	{
		505	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		506	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		507	}
		508	else
		509	{
		510	if (slot [body_combat].info) return slot_combat;
		511	if (slot [body_range ].info) return slot_ranged;
		512	}
		513
		514	return slot_none;
		515	}
		516
		517	bool
		518	object::change_weapon (object *ob)
		519	{
		520	if (current_weapon == ob)
		521	return true;
		522
		523	if (chosen_skill)
		524	chosen_skill->flag [FLAG_APPLIED] = false;
		525
		526	current_weapon = ob;
		527	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		528
		529	if (chosen_skill)
		530	chosen_skill->flag [FLAG_APPLIED] = true;
		531
		532	update_stats ();
		533
		534	if (ob)
		535	{
		536	// now check wether any body locations became invalid, in which case
		537	// we cannot apply the weapon at the moment.
		538	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		539	if (slot[i].used < 0)
		540	{
		541	current_weapon = chosen_skill = 0;
		542	update_stats ();
		543
		544	new_draw_info_format (NDI_UNIQUE, 0, this,
		545	"You try to balance all your items at once, "
		546	"but the %s is just too much for your body. "
		547	"[You need to unapply some items first - use the 'body' command to see "
		548	"how many items you cna wera on a specific body part.]", &ob->name);
		549	return false;
		550	}
		551
		552	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		553	}
		554	else
		555	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		556
		557	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		558	{
		559	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		560	&name, ob->debug_desc ());
		561	return false;
		562	}
		563
		564	return true;
452	}	565	}
453		566
454	/* Zero the key_values on op, decrementing the shared-string	567	/* Zero the key_values on op, decrementing the shared-string
455	* refcounts and freeing the links.	568	* refcounts and freeing the links.
456	*/	569	*/
457	static void	570	static void
458	free_key_values (object *op)	571	free_key_values (object *op)
459	{	572	{
460	for (key_value *i = op->key_values; i != 0;)	573	for (key_value *i = op->key_values; i; )
461	{	574	{
462	key_value *next = i->next;	575	key_value *next = i->next;
463	delete i;	576	delete i;
464		577
465	i = next;	578	i = next;
…		…
477	* will point at garbage.	590	* will point at garbage.
478	*/	591	*/
479	void	592	void
480	object::copy_to (object *dst)	593	object::copy_to (object *dst)
481	{	594	{
482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	595	dst->remove ();
483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
484
485	*(object_copy *)dst = *this;	596	*(object_copy *)dst = *this;
486		597	dst->flag [FLAG_REMOVED] = true;
487	if (is_freed)
488	SET_FLAG (dst, FLAG_FREED);
489
490	if (is_removed)
491	SET_FLAG (dst, FLAG_REMOVED);
492
493	if (speed < 0)
494	dst->speed_left = speed_left - rndm ();
495		598
496	/* Copy over key_values, if any. */	599	/* Copy over key_values, if any. */
497	if (key_values)	600	if (key_values)
498	{	601	{
499	key_value *tail = 0;	602	key_value *tail = 0;
500	key_value *i;
501
502	dst->key_values = 0;	603	dst->key_values = 0;
503		604
504	for (i = key_values; i; i = i->next)	605	for (key_value *i = key_values; i; i = i->next)
505	{	606	{
506	key_value *new_link = new key_value;	607	key_value *new_link = new key_value;
507		608
508	new_link->next = 0;	609	new_link->next = 0;
509	new_link->key = i->key;	610	new_link->key = i->key;
510	new_link->value = i->value;	611	new_link->value = i->value;
511		612
512	/* Try and be clever here, too. */	613	/* Try and be clever here, too. */
513	if (!dst->key_values)	614	if (!dst->key_values)
514	{	615	{
…		…
521	tail = new_link;	622	tail = new_link;
522	}	623	}
523	}	624	}
524	}	625	}
525		626
526	dst->set_speed (dst->speed);	627	if (speed < 0)
		628	dst->speed_left -= rndm ();
		629
		630	dst->activate ();
		631	}
		632
		633	void
		634	object::instantiate ()
		635	{
		636	if (!uuid.seq) // HACK
		637	uuid = UUID::gen ();
		638
		639	speed_left = -0.1f;
		640	/* copy the body_info to the body_used - this is only really
		641	* need for monsters, but doesn't hurt to do it for everything.
		642	* by doing so, when a monster is created, it has good starting
		643	* values for the body_used info, so when items are created
		644	* for it, they can be properly equipped.
		645	*/
		646	for (int i = NUM_BODY_LOCATIONS; i--; )
		647	slot[i].used = slot[i].info;
		648
		649	attachable::instantiate ();
527	}	650	}
528		651
529	object *	652	object *
530	object::clone ()	653	object::clone ()
531	{	654	{
532	object *neu = create ();	655	object *neu = create ();
533	copy_to (neu);	656	copy_to (neu);
		657	neu->map = map; // not copied by copy_to
534	return neu;	658	return neu;
535	}	659	}
536		660
537	/*	661	/*
538	* If an object with the IS_TURNABLE() flag needs to be turned due	662	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
555	* This function needs to be called whenever the speed of an object changes.	679	* This function needs to be called whenever the speed of an object changes.
556	*/	680	*/
557	void	681	void
558	object::set_speed (float speed)	682	object::set_speed (float speed)
559	{	683	{
560	if (flag [FLAG_FREED] && speed)
561	{
562	LOG (llevError, "Object %s is freed but has speed.\n", &name);
563	speed = 0;
564	}
565
566	this->speed = speed;	684	this->speed = speed;
567		685
568	if (has_active_speed ())	686	if (has_active_speed ())
569	activate ();	687	activate ();
570	else	688	else
…		…
589	* UP_OBJ_FACE: only the objects face has changed.	707	* UP_OBJ_FACE: only the objects face has changed.
590	*/	708	*/
591	void	709	void
592	update_object (object *op, int action)	710	update_object (object *op, int action)
593	{	711	{
594	MoveType move_on, move_off, move_block, move_slow;	712	if (!op)
595
596	if (op == NULL)
597	{	713	{
598	/* this should never happen */	714	/* this should never happen */
599	LOG (llevDebug, "update_object() called for NULL object.\n");	715	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
600	return;	716	return;
601	}	717	}
602		718
603	if (op->env)	719	if (!op->is_on_map ())
604	{	720	{
605	/* Animation is currently handled by client, so nothing	721	/* Animation is currently handled by client, so nothing
606	* to do in this case.	722	* to do in this case.
607	*/	723	*/
608	return;	724	return;
609	}	725	}
610
611	/* If the map is saving, don't do anything as everything is
612	* going to get freed anyways.
613	*/
614	if (!op->map || op->map->in_memory == MAP_SAVING)
615	return;
616		726
617	/* make sure the object is within map boundaries */	727	/* make sure the object is within map boundaries */
618	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	728	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
619	{	729	{
620	LOG (llevError, "update_object() called for object out of map!\n");	730	LOG (llevError, "update_object() called for object out of map!\n");
…		…
628		738
629	if (!(m.flags_ & P_UPTODATE))	739	if (!(m.flags_ & P_UPTODATE))
630	/* nop */;	740	/* nop */;
631	else if (action == UP_OBJ_INSERT)	741	else if (action == UP_OBJ_INSERT)
632	{	742	{
		743	#if 0
633	// this is likely overkill, TODO: revisit (schmorp)	744	// this is likely overkill, TODO: revisit (schmorp)
634	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	745	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
635	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	746	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
636	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	747	|| (op->is_player () && !(m.flags_ & P_PLAYER))
637	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	748	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
638	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	749	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
639	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	750	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
640	|| (m.move_on | op->move_on ) != m.move_on	751	|| (m.move_on | op->move_on ) != m.move_on
641	|| (m.move_off | op->move_off ) != m.move_off	752	|| (m.move_off | op->move_off ) != m.move_off
642	|| (m.move_slow | op->move_slow) != m.move_slow	753	|| (m.move_slow | op->move_slow) != m.move_slow
643	/* This isn't perfect, but I don't expect a lot of objects to	754	/* This isn't perfect, but I don't expect a lot of objects to
644	* to have move_allow right now.	755	* have move_allow right now.
645	*/	756	*/
646	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	757	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		758	m.invalidate ();
		759	#else
647	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	760	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
648	m.flags_ = 0;	761	m.invalidate ();
		762	#endif
649	}	763	}
650	/* if the object is being removed, we can't make intelligent	764	/* if the object is being removed, we can't make intelligent
651	* decisions, because remove_ob can't really pass the object	765	* decisions, because remove_ob can't really pass the object
652	* that is being removed.	766	* that is being removed.
653	*/	767	*/
654	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	768	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
655	m.flags_ = 0;	769	m.invalidate ();
656	else if (action == UP_OBJ_FACE)	770	else if (action == UP_OBJ_FACE)
657	/* Nothing to do for that case */ ;	771	/* Nothing to do for that case */ ;
658	else	772	else
659	LOG (llevError, "update_object called with invalid action: %d\n", action);	773	LOG (llevError, "update_object called with invalid action: %d\n", action);
660		774
…		…
664		778
665	object::object ()	779	object::object ()
666	{	780	{
667	SET_FLAG (this, FLAG_REMOVED);	781	SET_FLAG (this, FLAG_REMOVED);
668		782
669	expmul = 1.0;	783	//expmul = 1.0; declared const for the time being
670	face = blank_face;	784	face = blank_face;
671	}	785	}
672		786
673	object::~object ()	787	object::~object ()
674	{	788	{
675	if (index)
676	unlink ();	789	unlink ();
677		790
678	free_key_values (this);	791	free_key_values (this);
679	}	792	}
680		793
681	static int object_count;	794	static int object_count;
682		795
683	void object::link ()	796	void object::link ()
684	{	797	{
685	assert (!index);//D	798	assert (!index);//D
686	uuid = gen_uuid ();	799	uuid = UUID::gen ();
687	count = ++object_count;	800	count = ++object_count;
688		801
689	refcnt_inc ();	802	refcnt_inc ();
690	objects.insert (this);	803	objects.insert (this);
691	}	804	}
692		805
693	void object::unlink ()	806	void object::unlink ()
694	{	807	{
695	assert (index);//D	808	if (!index)
		809	return;
		810
696	objects.erase (this);	811	objects.erase (this);
697	refcnt_dec ();	812	refcnt_dec ();
698	}	813	}
699		814
700	void	815	void
…		…
703	/* If already on active list, don't do anything */	818	/* If already on active list, don't do anything */
704	if (active)	819	if (active)
705	return;	820	return;
706		821
707	if (has_active_speed ())	822	if (has_active_speed ())
		823	{
		824	if (flag [FLAG_FREED])
		825	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		826
708	actives.insert (this);	827	actives.insert (this);
		828	}
709	}	829	}
710		830
711	void	831	void
712	object::activate_recursive ()	832	object::activate_recursive ()
713	{	833	{
…		…
762	object::destroy_inv (bool drop_to_ground)	882	object::destroy_inv (bool drop_to_ground)
763	{	883	{
764	// need to check first, because the checks below might segfault	884	// need to check first, because the checks below might segfault
765	// as we might be on an invalid mapspace and crossfire code	885	// as we might be on an invalid mapspace and crossfire code
766	// is too buggy to ensure that the inventory is empty.	886	// is too buggy to ensure that the inventory is empty.
767	// corollary: if you create arrows etc. with stuff in tis inventory,	887	// corollary: if you create arrows etc. with stuff in its inventory,
768	// cf will crash below with off-map x and y	888	// cf will crash below with off-map x and y
769	if (!inv)	889	if (!inv)
770	return;	890	return;
771		891
772	/* Only if the space blocks everything do we not process -	892	/* Only if the space blocks everything do we not process -
773	* if some form of movement is allowed, let objects	893	* if some form of movement is allowed, let objects
774	* drop on that space.	894	* drop on that space.
775	*/	895	*/
776	if (!drop_to_ground	896	if (!drop_to_ground
777	|| !map	897	|| !map
778	|| map->in_memory != MAP_IN_MEMORY	898	|| map->in_memory != MAP_ACTIVE
		899	|| map->no_drop
779	|| ms ().move_block == MOVE_ALL)	900	|| ms ().move_block == MOVE_ALL)
780	{	901	{
781	while (inv)	902	while (inv)
782	{
783	inv->destroy_inv (drop_to_ground);
784	inv->destroy ();	903	inv->destroy ();
785	}
786	}	904	}
787	else	905	else
788	{ /* Put objects in inventory onto this space */	906	{ /* Put objects in inventory onto this space */
789	while (inv)	907	while (inv)
790	{	908	{
…		…
808	object *op = new object;	926	object *op = new object;
809	op->link ();	927	op->link ();
810	return op;	928	return op;
811	}	929	}
812		930
		931	static struct freed_map : maptile
		932	{
		933	freed_map ()
		934	{
		935	path = "<freed objects map>";
		936	name = "/internal/freed_objects_map";
		937	width = 3;
		938	height = 3;
		939	no_drop = 1;
		940	no_reset = 1;
		941
		942	alloc ();
		943	in_memory = MAP_ACTIVE;
		944	}
		945
		946	~freed_map ()
		947	{
		948	destroy ();
		949	}
		950	} freed_map; // freed objects are moved here to avoid crashes
		951
813	void	952	void
814	object::do_destroy ()	953	object::do_destroy ()
815	{	954	{
816	attachable::do_destroy ();
817
818	if (flag [FLAG_IS_LINKED])	955	if (flag [FLAG_IS_LINKED])
819	remove_button_link (this);	956	remove_link ();
820		957
821	if (flag [FLAG_FRIENDLY])	958	if (flag [FLAG_FRIENDLY])
822	remove_friendly_object (this);	959	remove_friendly_object (this);
823		960
824	if (!flag [FLAG_REMOVED])
825	remove ();	961	remove ();
826		962
827	destroy_inv (true);	963	attachable::do_destroy ();
828		964
829	deactivate ();	965	deactivate ();
830	unlink ();	966	unlink ();
831		967
832	flag [FLAG_FREED] = 1;	968	flag [FLAG_FREED] = 1;
833		969
834	// hack to ensure that freed objects still have a valid map	970	// hack to ensure that freed objects still have a valid map
835	{
836	static maptile *freed_map; // freed objects are moved here to avoid crashes
837
838	if (!freed_map)
839	{
840	freed_map = new maptile;
841
842	freed_map->name = "/internal/freed_objects_map";
843	freed_map->width = 3;
844	freed_map->height = 3;
845
846	freed_map->alloc ();
847	freed_map->in_memory = MAP_IN_MEMORY;
848	}
849
850	map = freed_map;	971	map = &freed_map;
851	x = 1;	972	x = 1;
852	y = 1;	973	y = 1;
853	}
854
855	head = 0;
856		974
857	if (more)	975	if (more)
858	{	976	{
859	more->destroy ();	977	more->destroy ();
860	more = 0;	978	more = 0;
861	}	979	}
862		980
		981	head = 0;
		982
863	// clear those pointers that likely might have circular references to us	983	// clear those pointers that likely might cause circular references
864	owner = 0;	984	owner = 0;
865	enemy = 0;	985	enemy = 0;
866	attacked_by = 0;	986	attacked_by = 0;
		987	current_weapon = 0;
867	}	988	}
868		989
869	void	990	void
870	object::destroy (bool destroy_inventory)	991	object::destroy ()
871	{	992	{
872	if (destroyed ())	993	if (destroyed ())
873	return;	994	return;
874		995
875	if (destroy_inventory)	996	if (!is_head () && !head->destroyed ())
		997	{
		998	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		999	head->destroy ();
		1000	return;
		1001	}
		1002
876	destroy_inv (false);	1003	destroy_inv (false);
		1004
		1005	if (is_head ())
		1006	if (sound_destroy)
		1007	play_sound (sound_destroy);
		1008	else if (flag [FLAG_MONSTER])
		1009	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
877		1010
878	attachable::destroy ();	1011	attachable::destroy ();
879	}
880
881	/*
882	* sub_weight() recursively (outwards) subtracts a number from the
883	* weight of an object (and what is carried by it's environment(s)).
884	*/
885	void
886	sub_weight (object *op, signed long weight)
887	{
888	while (op != NULL)
889	{
890	if (op->type == CONTAINER)
891	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
892
893	op->carrying -= weight;
894	op = op->env;
895	}
896	}	1012	}
897		1013
898	/* op->remove ():	1014	/* op->remove ():
899	* This function removes the object op from the linked list of objects	1015	* This function removes the object op from the linked list of objects
900	* which it is currently tied to. When this function is done, the	1016	* which it is currently tied to. When this function is done, the
901	* object will have no environment. If the object previously had an	1017	* object will have no environment. If the object previously had an
902	* environment, the x and y coordinates will be updated to	1018	* environment, the x and y coordinates will be updated to
903	* the previous environment.	1019	* the previous environment.
904	* Beware: This function is called from the editor as well!
905	*/	1020	*/
906	void	1021	void
907	object::remove_slow ()	1022	object::do_remove ()
908	{	1023	{
909	object *tmp, *last = 0;	1024	if (flag [FLAG_REMOVED])
910	object *otmp;
911
912	if (QUERY_FLAG (this, FLAG_REMOVED))
913	return;	1025	return;
914		1026
915	SET_FLAG (this, FLAG_REMOVED);
916	INVOKE_OBJECT (REMOVE, this);	1027	INVOKE_OBJECT (REMOVE, this);
		1028
		1029	flag [FLAG_REMOVED] = true;
917		1030
918	if (more)	1031	if (more)
919	more->remove ();	1032	more->remove ();
920		1033
921	/*	1034	/*
922	* In this case, the object to be removed is in someones	1035	* In this case, the object to be removed is in someones
923	* inventory.	1036	* inventory.
924	*/	1037	*/
925	if (env)	1038	if (env)
926	{	1039	{
927	if (nrof)	1040	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
928	sub_weight (env, weight * nrof);	1041	if (object *pl = visible_to ())
929	else	1042	esrv_del_item (pl->contr, count);
930	sub_weight (env, weight + carrying);	1043	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1044
		1045	adjust_weight (env, -total_weight ());
		1046
		1047	object *pl = in_player ();
		1048
		1049	/* we set up values so that it could be inserted into
		1050	* the map, but we don't actually do that - it is up
		1051	* to the caller to decide what we want to do.
		1052	*/
		1053	map = env->map;
		1054	x = env->x;
		1055	y = env->y;
		1056
		1057	// make sure cmov optimisation is applicable
		1058	*(above ? &above->below : &env->inv) = below;
		1059	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1060
		1061	above = 0;
		1062	below = 0;
		1063	env = 0;
931		1064
932	/* NO_FIX_PLAYER is set when a great many changes are being	1065	/* NO_FIX_PLAYER is set when a great many changes are being
933	* made to players inventory. If set, avoiding the call	1066	* made to players inventory. If set, avoiding the call
934	* to save cpu time.	1067	* to save cpu time.
935	*/	1068	*/
936	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1069	if (pl)
		1070	if (pl->is_player () && (glow_radius || !QUERY_FLAG (pl, FLAG_NO_FIX_PLAYER)))
		1071	{
937	otmp->update_stats ();	1072	pl->update_stats ();
938		1073
939	if (above)	1074	if (glow_radius && pl->is_on_map ())
940	above->below = below;	1075	update_all_los (pl->map, pl->x, pl->y);
941	else	1076	}
942	env->inv = below;
943
944	if (below)
945	below->above = above;
946
947	/* we set up values so that it could be inserted into
948	* the map, but we don't actually do that - it is up
949	* to the caller to decide what we want to do.
950	*/
951	x = env->x, y = env->y;
952	map = env->map;
953	above = 0, below = 0;
954	env = 0;
955	}	1077	}
956	else if (map)	1078	else if (map)
957	{	1079	{
958	if (type == PLAYER)
959	{
960	--map->players;
961	map->touch ();
962	}
963
964	map->dirty = true;	1080	map->dirty = true;
965	mapspace &ms = this->ms ();	1081	mapspace &ms = this->ms ();
966		1082
		1083	if (object *pl = ms.player ())
		1084	{
		1085	if (is_player ())
		1086	{
		1087	if (!flag [FLAG_WIZPASS])
		1088	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1089
		1090	// leaving a spot always closes any open container on the ground
		1091	if (container && !container->env)
		1092	// this causes spurious floorbox updates, but it ensures
		1093	// that the CLOSE event is being sent.
		1094	close_container ();
		1095
		1096	--map->players;
		1097	map->touch ();
		1098	}
		1099	else if (pl->container_ () == this)
		1100	{
		1101	// removing a container should close it
		1102	close_container ();
		1103	}
		1104
		1105	esrv_del_item (pl->contr, count);
		1106	}
		1107
967	/* link the object above us */	1108	/* link the object above us */
968	if (above)	1109	// re-link, make sure compiler can easily use cmove
969	above->below = below;	1110	*(above ? &above->below : &ms.top) = below;
970	else	1111	*(below ? &below->above : &ms.bot) = above;
971	ms.top = below; /* we were top, set new top */
972
973	/* Relink the object below us, if there is one */
974	if (below)
975	below->above = above;
976	else
977	{
978	/* Nothing below, which means we need to relink map object for this space
979	* use translated coordinates in case some oddness with map tiling is
980	* evident
981	*/
982	if (GET_MAP_OB (map, x, y) != this)
983	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
984
985	ms.bot = above; /* goes on above it. */
986	}
987		1112
988	above = 0;	1113	above = 0;
989	below = 0;	1114	below = 0;
990		1115
		1116	ms.invalidate ();
		1117
991	if (map->in_memory == MAP_SAVING)	1118	if (map->in_memory == MAP_SAVING)
992	return;	1119	return;
993		1120
994	int check_walk_off = !flag [FLAG_NO_APPLY];	1121	int check_walk_off = !flag [FLAG_NO_APPLY];
995		1122
996	for (tmp = ms.bot; tmp; tmp = tmp->above)	1123	if (object *pl = ms.player ())
997	{	1124	{
998	/* No point updating the players look faces if he is the object	1125	if (pl->container_ () == this)
999	* being removed.
1000	*/
1001
1002	if (tmp->type == PLAYER && tmp != this)
1003	{
1004	/* If a container that the player is currently using somehow gets	1126	/* If a container that the player is currently using somehow gets
1005	* removed (most likely destroyed), update the player view	1127	* removed (most likely destroyed), update the player view
1006	* appropriately.	1128	* appropriately.
1007	*/	1129	*/
1008	if (tmp->container == this)	1130	pl->close_container ();
1009	{
1010	flag [FLAG_APPLIED] = 0;
1011	tmp->container = 0;
1012	}
1013		1131
		1132	//TODO: the floorbox prev/next might need updating
		1133	//esrv_del_item (pl->contr, count);
		1134	//TODO: update floorbox to preserve ordering
1014	if (tmp->contr->ns)	1135	if (pl->contr->ns)
1015	tmp->contr->ns->floorbox_update ();	1136	pl->contr->ns->floorbox_update ();
		1137	}
		1138
		1139	if (check_walk_off)
		1140	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1141	{
		1142	above = tmp->above;
		1143
		1144	/* No point updating the players look faces if he is the object
		1145	* being removed.
1016	}	1146	*/
1017		1147
1018	/* See if object moving off should effect something */	1148	/* See if object moving off should effect something */
1019	if (check_walk_off
1020	&& ((move_type & tmp->move_off)	1149	if ((move_type & tmp->move_off)
1021	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1150	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1022	{
1023	move_apply (tmp, this, 0);	1151	move_apply (tmp, this, 0);
1024
1025	if (destroyed ())
1026	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1027	}	1152	}
1028		1153
1029	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1154	if (affects_los ())
1030	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1031	if (tmp->above == tmp)
1032	tmp->above = 0;
1033
1034	last = tmp;
1035	}
1036
1037	/* last == NULL if there are no objects on this space */
1038	//TODO: this makes little sense, why only update the topmost object?
1039	if (!last)
1040	map->at (x, y).flags_ = 0;
1041	else
1042	update_object (last, UP_OBJ_REMOVE);
1043
1044	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1045	update_all_los (map, x, y);	1155	update_all_los (map, x, y);
1046	}	1156	}
1047	}	1157	}
1048		1158
1049	/*	1159	/*
…		…
1058	merge_ob (object *op, object *top)	1168	merge_ob (object *op, object *top)
1059	{	1169	{
1060	if (!op->nrof)	1170	if (!op->nrof)
1061	return 0;	1171	return 0;
1062		1172
1063	if (top)	1173	if (!top)
1064	for (top = op; top && top->above; top = top->above)	1174	for (top = op; top && top->above; top = top->above)
1065	;	1175	;
1066		1176
1067	for (; top; top = top->below)	1177	for (; top; top = top->below)
1068	{
1069	if (top == op)
1070	continue;
1071
1072	if (object::can_merge (op, top))	1178	if (object::can_merge (op, top))
1073	{	1179	{
1074	top->nrof += op->nrof;	1180	top->nrof += op->nrof;
1075		1181
1076	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1182	if (object *pl = top->visible_to ())
1077	op->weight = 0; /* Don't want any adjustements now */	1183	esrv_update_item (UPD_NROF, pl, top);
		1184
		1185	op->weight = 0; // cancel the addition above
		1186	op->carrying = 0; // must be 0 already
		1187
1078	op->destroy ();	1188	op->destroy ();
		1189
1079	return top;	1190	return top;
1080	}	1191	}
1081	}
1082		1192
1083	return 0;	1193	return 0;
		1194	}
		1195
		1196	void
		1197	object::expand_tail ()
		1198	{
		1199	if (more)
		1200	return;
		1201
		1202	object *prev = this;
		1203
		1204	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1205	{
		1206	object *op = arch_to_object (at);
		1207
		1208	op->name = name;
		1209	op->name_pl = name_pl;
		1210	op->title = title;
		1211
		1212	op->head = this;
		1213	prev->more = op;
		1214
		1215	prev = op;
		1216	}
1084	}	1217	}
1085		1218
1086	/*	1219	/*
1087	* same as insert_ob_in_map except it handles separate coordinates and does a clean	1220	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1088	* job preparing multi-part monsters.	1221	* job preparing multi-part monsters.
1089	*/	1222	*/
1090	object *	1223	object *
1091	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1224	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1092	{	1225	{
		1226	op->remove ();
		1227
1093	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1228	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1094	{	1229	{
1095	tmp->x = x + tmp->arch->clone.x;	1230	tmp->x = x + tmp->arch->x;
1096	tmp->y = y + tmp->arch->clone.y;	1231	tmp->y = y + tmp->arch->y;
1097	}	1232	}
1098		1233
1099	return insert_ob_in_map (op, m, originator, flag);	1234	return insert_ob_in_map (op, m, originator, flag);
1100	}	1235	}
1101		1236
…		…
1120	* just 'op' otherwise	1255	* just 'op' otherwise
1121	*/	1256	*/
1122	object *	1257	object *
1123	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1258	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1124	{	1259	{
1125	object *tmp, *top, *floor = NULL;
1126
1127	if (QUERY_FLAG (op, FLAG_FREED))
1128	{
1129	LOG (llevError, "Trying to insert freed object!\n");
1130	return NULL;
1131	}
1132
1133	if (!QUERY_FLAG (op, FLAG_REMOVED))
1134	LOG (llevError, "Trying to insert already inserted object %s\n", op->debug_desc ());
1135
1136	op->remove ();	1260	op->remove ();
1137		1261
1138	if (!m)	1262	if (m == &freed_map)//D TODO: remove soon
1139	{	1263	{//D
1140	char *dump = dump_object (op);	1264	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1141	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1142	free (dump);
1143	return op;
1144	}	1265	}//D
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 (object *more = op->more)
1162	{
1163	if (!insert_ob_in_map (more, m, originator, flag))
1164	{
1165	if (!op->head)
1166	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1167
1168	return 0;
1169	}
1170	}
1171
1172	CLEAR_FLAG (op, FLAG_REMOVED);
1173		1266
1174	/* Ideally, the caller figures this out. However, it complicates a lot	1267	/* Ideally, the caller figures this out. However, it complicates a lot
1175	* of areas of callers (eg, anything that uses find_free_spot would now	1268	* of areas of callers (eg, anything that uses find_free_spot would now
1176	* need extra work	1269	* need extra work
1177	*/	1270	*/
		1271	maptile *newmap = m;
1178	if (!xy_normalise (m, op->x, op->y))	1272	if (!xy_normalise (newmap, op->x, op->y))
		1273	{
		1274	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1179	return 0;	1275	return 0;
		1276	}
1180		1277
		1278	if (object *more = op->more)
		1279	if (!insert_ob_in_map (more, m, originator, flag))
		1280	return 0;
		1281
		1282	op->flag [FLAG_REMOVED] = false;
		1283	op->env = 0;
1181	op->map = m;	1284	op->map = newmap;
		1285
1182	mapspace &ms = op->ms ();	1286	mapspace &ms = op->ms ();
1183		1287
1184	/* this has to be done after we translate the coordinates.	1288	/* this has to be done after we translate the coordinates.
1185	*/	1289	*/
1186	if (op->nrof && !(flag & INS_NO_MERGE))	1290	if (op->nrof && !(flag & INS_NO_MERGE))
1187	for (tmp = ms.bot; tmp; tmp = tmp->above)	1291	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1188	if (object::can_merge (op, tmp))	1292	if (object::can_merge (op, tmp))
1189	{	1293	{
		1294	// TODO: we actually want to update tmp, not op,
		1295	// but some caller surely breaks when we return tmp
		1296	// from here :/
1190	op->nrof += tmp->nrof;	1297	op->nrof += tmp->nrof;
1191	tmp->destroy ();	1298	tmp->destroy ();
1192	}	1299	}
1193		1300
1194	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1301	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1203	{	1310	{
1204	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1311	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1205	abort ();	1312	abort ();
1206	}	1313	}
1207		1314
		1315	if (!originator->is_on_map ())
		1316	{
		1317	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1318	op->debug_desc (), originator->debug_desc ());
		1319	abort ();
		1320	}
		1321
1208	op->above = originator;	1322	op->above = originator;
1209	op->below = originator->below;	1323	op->below = originator->below;
1210
1211	if (op->below)
1212	op->below->above = op;
1213	else
1214	ms.bot = op;
1215
1216	/* since *below* originator, no need to update top */
1217	originator->below = op;	1324	originator->below = op;
		1325
		1326	*(op->below ? &op->below->above : &ms.bot) = op;
1218	}	1327	}
1219	else	1328	else
1220	{	1329	{
1221	top = ms.bot;	1330	object *floor = 0;
		1331	object *top = ms.top;
1222		1332
1223	/* If there are other objects, then */	1333	/* If there are other objects, then */
1224	if ((!(flag & INS_MAP_LOAD)) && top)	1334	if (top)
1225	{	1335	{
1226	object *last = 0;
1227
1228	/*	1336	/*
1229	* If there are multiple objects on this space, we do some trickier handling.	1337	* If there are multiple objects on this space, we do some trickier handling.
1230	* We've already dealt with merging if appropriate.	1338	* We've already dealt with merging if appropriate.
1231	* Generally, we want to put the new object on top. But if	1339	* Generally, we want to put the new object on top. But if
1232	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1340	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1235	* once we get to them. This reduces the need to traverse over all of	1343	* once we get to them. This reduces the need to traverse over all of
1236	* them when adding another one - this saves quite a bit of cpu time	1344	* them when adding another one - this saves quite a bit of cpu time
1237	* when lots of spells are cast in one area. Currently, it is presumed	1345	* when lots of spells are cast in one area. Currently, it is presumed
1238	* that flying non pickable objects are spell objects.	1346	* that flying non pickable objects are spell objects.
1239	*/	1347	*/
1240	for (top = ms.bot; top; top = top->above)	1348	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1241	{	1349	{
1242	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1350	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1243	floor = top;	1351	floor = tmp;
1244		1352
1245	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1353	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1246	{	1354	{
1247	/* We insert above top, so we want this object below this */	1355	/* We insert above top, so we want this object below this */
1248	top = top->below;	1356	top = tmp->below;
1249	break;	1357	break;
1250	}	1358	}
1251		1359
1252	last = top;	1360	top = tmp;
1253	}	1361	}
1254
1255	/* Don't want top to be NULL, so set it to the last valid object */
1256	top = last;
1257		1362
1258	/* We let update_position deal with figuring out what the space	1363	/* We let update_position deal with figuring out what the space
1259	* looks like instead of lots of conditions here.	1364	* looks like instead of lots of conditions here.
1260	* makes things faster, and effectively the same result.	1365	* makes things faster, and effectively the same result.
1261	*/	1366	*/
1262		1367
1263	/* Have object 'fall below' other objects that block view.	1368	/* Have object 'fall below' other objects that block view.
1264	* Unless those objects are exits, type 66	1369	* Unless those objects are exits.
1265	* If INS_ON_TOP is used, don't do this processing	1370	* If INS_ON_TOP is used, don't do this processing
1266	* Need to find the object that in fact blocks view, otherwise	1371	* Need to find the object that in fact blocks view, otherwise
1267	* stacking is a bit odd.	1372	* stacking is a bit odd.
1268	*/	1373	*/
1269	if (!(flag & INS_ON_TOP)	1374	if (!(flag & INS_ON_TOP)
1270	&& ms.flags () & P_BLOCKSVIEW	1375	&& ms.flags () & P_BLOCKSVIEW
1271	&& (op->face && !op->face->visibility))	1376	&& (op->face && !faces [op->face].visibility))
1272	{	1377	{
		1378	object *last;
		1379
1273	for (last = top; last != floor; last = last->below)	1380	for (last = top; last != floor; last = last->below)
1274	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1381	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1275	break;	1382	break;
1276		1383
1277	/* Check to see if we found the object that blocks view,	1384	/* Check to see if we found the object that blocks view,
…		…
1282	if (last && last->below && last != floor)	1389	if (last && last->below && last != floor)
1283	top = last->below;	1390	top = last->below;
1284	}	1391	}
1285	} /* If objects on this space */	1392	} /* If objects on this space */
1286		1393
1287	if (flag & INS_MAP_LOAD)
1288	top = ms.top;
1289
1290	if (flag & INS_ABOVE_FLOOR_ONLY)	1394	if (flag & INS_ABOVE_FLOOR_ONLY)
1291	top = floor;	1395	top = floor;
1292		1396
1293	/* Top is the object that our object (op) is going to get inserted above.	1397	// insert object above top, or bottom-most if top = 0
1294	*/
1295
1296	/* First object on this space */
1297	if (!top)	1398	if (!top)
1298	{	1399	{
		1400	op->below = 0;
1299	op->above = ms.bot;	1401	op->above = ms.bot;
1300
1301	if (op->above)
1302	op->above->below = op;
1303
1304	op->below = 0;
1305	ms.bot = op;	1402	ms.bot = op;
		1403
		1404	*(op->above ? &op->above->below : &ms.top) = op;
1306	}	1405	}
1307	else	1406	else
1308	{ /* get inserted into the stack above top */	1407	{
1309	op->above = top->above;	1408	op->above = top->above;
1310
1311	if (op->above)
1312	op->above->below = op;	1409	top->above = op;
1313		1410
1314	op->below = top;	1411	op->below = top;
1315	top->above = op;	1412	*(op->above ? &op->above->below : &ms.top) = op;
1316	}	1413	}
		1414	}
1317		1415
1318	if (!op->above)	1416	if (op->is_player ())
1319	ms.top = op;
1320	} /* else not INS_BELOW_ORIGINATOR */
1321
1322	if (op->type == PLAYER)
1323	{	1417	{
1324	op->contr->do_los = 1;	1418	op->contr->do_los = 1;
1325	++op->map->players;	1419	++op->map->players;
1326	op->map->touch ();	1420	op->map->touch ();
1327	}	1421	}
1328		1422
1329	op->map->dirty = true;	1423	op->map->dirty = true;
1330		1424
1331	/* If we have a floor, we know the player, if any, will be above
1332	* it, so save a few ticks and start from there.
1333	*/
1334	if (!(flag & INS_MAP_LOAD))
1335	if (object *pl = ms.player ())	1425	if (object *pl = ms.player ())
		1426	//TODO: the floorbox prev/next might need updating
		1427	//esrv_send_item (pl, op);
		1428	//TODO: update floorbox to preserve ordering
1336	if (pl->contr->ns)	1429	if (pl->contr->ns)
1337	pl->contr->ns->floorbox_update ();	1430	pl->contr->ns->floorbox_update ();
1338		1431
1339	/* If this object glows, it may affect lighting conditions that are	1432	/* If this object glows, it may affect lighting conditions that are
1340	* visible to others on this map. But update_all_los is really	1433	* visible to others on this map. But update_all_los is really
1341	* an inefficient way to do this, as it means los for all players	1434	* an inefficient way to do this, as it means los for all players
1342	* on the map will get recalculated. The players could very well	1435	* on the map will get recalculated. The players could very well
1343	* be far away from this change and not affected in any way -	1436	* be far away from this change and not affected in any way -
1344	* this should get redone to only look for players within range,	1437	* this should get redone to only look for players within range,
1345	* or just updating the P_UPTODATE for spaces within this area	1438	* or just updating the P_UPTODATE for spaces within this area
1346	* of effect may be sufficient.	1439	* of effect may be sufficient.
1347	*/	1440	*/
1348	if (op->map->darkness && (op->glow_radius != 0))	1441	if (op->affects_los ())
		1442	{
		1443	op->ms ().invalidate ();
1349	update_all_los (op->map, op->x, op->y);	1444	update_all_los (op->map, op->x, op->y);
		1445	}
1350		1446
1351	/* updates flags (blocked, alive, no magic, etc) for this map space */	1447	/* updates flags (blocked, alive, no magic, etc) for this map space */
1352	update_object (op, UP_OBJ_INSERT);	1448	update_object (op, UP_OBJ_INSERT);
1353		1449
1354	INVOKE_OBJECT (INSERT, op);	1450	INVOKE_OBJECT (INSERT, op);
…		…
1361	* blocked() and wall() work properly), and these flags are updated by	1457	* blocked() and wall() work properly), and these flags are updated by
1362	* update_object().	1458	* update_object().
1363	*/	1459	*/
1364		1460
1365	/* if this is not the head or flag has been passed, don't check walk on status */	1461	/* if this is not the head or flag has been passed, don't check walk on status */
1366	if (!(flag & INS_NO_WALK_ON) && !op->head)	1462	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1367	{	1463	{
1368	if (check_move_on (op, originator))	1464	if (check_move_on (op, originator))
1369	return 0;	1465	return 0;
1370		1466
1371	/* If we are a multi part object, lets work our way through the check	1467	/* If we are a multi part object, lets work our way through the check
1372	* walk on's.	1468	* walk on's.
1373	*/	1469	*/
1374	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1470	for (object *tmp = op->more; tmp; tmp = tmp->more)
1375	if (check_move_on (tmp, originator))	1471	if (check_move_on (tmp, originator))
1376	return 0;	1472	return 0;
1377	}	1473	}
1378		1474
1379	return op;	1475	return op;
…		…
1382	/* this function inserts an object in the map, but if it	1478	/* this function inserts an object in the map, but if it
1383	* finds an object of its own type, it'll remove that one first.	1479	* finds an object of its own type, it'll remove that one first.
1384	* op is the object to insert it under: supplies x and the map.	1480	* op is the object to insert it under: supplies x and the map.
1385	*/	1481	*/
1386	void	1482	void
1387	replace_insert_ob_in_map (const char *arch_string, object *op)	1483	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1388	{	1484	{
1389	object *tmp, *tmp1;
1390
1391	/* first search for itself and remove any old instances */	1485	/* first search for itself and remove any old instances */
1392		1486
1393	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1487	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1394	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1488	if (tmp->arch->archname == archname) /* same archetype */
1395	tmp->destroy ();	1489	tmp->destroy ();
1396		1490
1397	tmp1 = arch_to_object (archetype::find (arch_string));	1491	object *tmp = arch_to_object (archetype::find (archname));
1398		1492
1399	tmp1->x = op->x;	1493	tmp->x = op->x;
1400	tmp1->y = op->y;	1494	tmp->y = op->y;
		1495
1401	insert_ob_in_map (tmp1, op->map, op, 0);	1496	insert_ob_in_map (tmp, op->map, op, 0);
1402	}	1497	}
1403		1498
1404	object *	1499	object *
1405	object::insert_at (object *where, object *originator, int flags)	1500	object::insert_at (object *where, object *originator, int flags)
1406	{	1501	{
		1502	if (where->env)
		1503	return where->env->insert (this);
		1504	else
1407	where->map->insert (this, where->x, where->y, originator, flags);	1505	return where->map->insert (this, where->x, where->y, originator, flags);
1408	}	1506	}
1409		1507
1410	/*	1508	// check whether we can put this into the map, respect max_nrof, max_volume, max_items
1411	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1509	bool
1412	* is returned contains nr objects, and the remaining parts contains	1510	object::can_drop_at (maptile *m, int x, int y, object *originator)
1413	* the rest (or is removed and freed if that number is 0).
1414	* On failure, NULL is returned, and the reason put into the
1415	* global static errmsg array.
1416	*/
1417	object *
1418	get_split_ob (object *orig_ob, uint32 nr)
1419	{	1511	{
1420	object *newob;	1512	mapspace &ms = m->at (x, y);
1421	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1422		1513
1423	if (orig_ob->nrof < nr)	1514	int items = ms.items ();
1424	{
1425	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1426	return NULL;
1427	}
1428		1515
1429	newob = object_create_clone (orig_ob);	1516	if (!items // testing !items ensures we can drop at least one item
		1517	|| (items < m->max_items
		1518	&& ms.volume () < m->max_volume
		1519	&& nrof <= m->max_nrof))
		1520	return true;
1430		1521
1431	if ((orig_ob->nrof -= nr) < 1)	1522	if (originator && originator->is_player ())
1432	orig_ob->destroy (1);	1523	originator->contr->failmsg (format (
1433	else if (!is_removed)	1524	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1434	{	1525	query_name ()
1435	if (orig_ob->env != NULL)	1526	));
1436	sub_weight (orig_ob->env, orig_ob->weight * nr);
1437	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1438	{
1439	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1440	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1441	return NULL;
1442	}
1443	}
1444		1527
1445	newob->nrof = nr;	1528	return false;
1446
1447	return newob;
1448	}	1529	}
1449		1530
1450	/*	1531	/*
1451	* decrease_ob_nr(object, number) decreases a specified number from	1532	* decrease(object, number) decreases a specified number from
1452	* the amount of an object. If the amount reaches 0, the object	1533	* the amount of an object. If the amount reaches 0, the object
1453	* is subsequently removed and freed.	1534	* is subsequently removed and freed.
1454	*	1535	*
1455	* Return value: 'op' if something is left, NULL if the amount reached 0	1536	* Return value: 'op' if something is left, NULL if the amount reached 0
1456	*/	1537	*/
		1538	bool
		1539	object::decrease (sint32 nr)
		1540	{
		1541	if (!nr)
		1542	return true;
1457		1543
		1544	nr = min (nr, nrof);
		1545
		1546	if (nrof > nr)
		1547	{
		1548	nrof -= nr;
		1549	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1550
		1551	if (object *pl = visible_to ())
		1552	esrv_update_item (UPD_NROF, pl, this);
		1553
		1554	return true;
		1555	}
		1556	else
		1557	{
		1558	destroy ();
		1559	return false;
		1560	}
		1561	}
		1562
		1563	/*
		1564	* split(ob,nr) splits up ob into two parts. The part which
		1565	* is returned contains nr objects, and the remaining parts contains
		1566	* the rest (or is removed and returned if that number is 0).
		1567	* On failure, NULL is returned.
		1568	*/
1458	object *	1569	object *
1459	decrease_ob_nr (object *op, uint32 i)	1570	object::split (sint32 nr)
1460	{	1571	{
1461	object *tmp;	1572	int have = number_of ();
1462		1573
1463	if (i == 0) /* objects with op->nrof require this check */	1574	if (have < nr)
1464	return op;	1575	return 0;
1465		1576	else if (have == nr)
1466	if (i > op->nrof)
1467	i = op->nrof;
1468
1469	if (QUERY_FLAG (op, FLAG_REMOVED))
1470	op->nrof -= i;
1471	else if (op->env)
1472	{	1577	{
1473	/* is this object in the players inventory, or sub container
1474	* therein?
1475	*/
1476	tmp = op->in_player ();
1477	/* nope. Is this a container the player has opened?
1478	* If so, set tmp to that player.
1479	* IMO, searching through all the players will mostly
1480	* likely be quicker than following op->env to the map,
1481	* and then searching the map for a player.
1482	*/
1483	if (!tmp)
1484	for_all_players (pl)
1485	if (pl->ob->container == op->env)
1486	{
1487	tmp = pl->ob;
1488	break;
1489	}
1490
1491	if (i < op->nrof)
1492	{
1493	sub_weight (op->env, op->weight * i);
1494	op->nrof -= i;
1495	if (tmp)
1496	esrv_send_item (tmp, op);
1497	}
1498	else
1499	{
1500	op->remove ();	1578	remove ();
1501	op->nrof = 0;	1579	return this;
1502	if (tmp)
1503	esrv_del_item (tmp->contr, op->count);
1504	}
1505	}	1580	}
1506	else	1581	else
1507	{	1582	{
1508	object *above = op->above;	1583	decrease (nr);
1509		1584
1510	if (i < op->nrof)	1585	object *op = deep_clone ();
1511	op->nrof -= i;	1586	op->nrof = nr;
1512	else
1513	{
1514	op->remove ();
1515	op->nrof = 0;
1516	}
1517
1518	/* Since we just removed op, op->above is null */
1519	for (tmp = above; tmp; tmp = tmp->above)
1520	if (tmp->type == PLAYER)
1521	{
1522	if (op->nrof)
1523	esrv_send_item (tmp, op);
1524	else
1525	esrv_del_item (tmp->contr, op->count);
1526	}
1527	}
1528
1529	if (op->nrof)
1530	return op;	1587	return op;
1531	else
1532	{
1533	op->destroy ();
1534	return 0;
1535	}
1536	}
1537
1538	/*
1539	* add_weight(object, weight) adds the specified weight to an object,
1540	* and also updates how much the environment(s) is/are carrying.
1541	*/
1542
1543	void
1544	add_weight (object *op, signed long weight)
1545	{
1546	while (op != NULL)
1547	{
1548	if (op->type == CONTAINER)
1549	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1550
1551	op->carrying += weight;
1552	op = op->env;
1553	}	1588	}
1554	}	1589	}
1555		1590
1556	object *	1591	object *
1557	insert_ob_in_ob (object *op, object *where)	1592	insert_ob_in_ob (object *op, object *where)
…		…
1562	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1597	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1563	free (dump);	1598	free (dump);
1564	return op;	1599	return op;
1565	}	1600	}
1566		1601
1567	if (where->head)	1602	if (where->head_ () != where)
1568	{	1603	{
1569	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1604	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1570	where = where->head;	1605	where = where->head;
1571	}	1606	}
1572		1607
1573	return where->insert (op);	1608	return where->insert (op);
1574	}	1609	}
…		…
1579	* inside the object environment.	1614	* inside the object environment.
1580	*	1615	*
1581	* The function returns now pointer to inserted item, and return value can	1616	* The function returns now pointer to inserted item, and return value can
1582	* be != op, if items are merged. -Tero	1617	* be != op, if items are merged. -Tero
1583	*/	1618	*/
1584
1585	object *	1619	object *
1586	object::insert (object *op)	1620	object::insert (object *op)
1587	{	1621	{
1588	object *tmp, *otmp;
1589
1590	if (!QUERY_FLAG (op, FLAG_REMOVED))
1591	op->remove ();
1592
1593	if (op->more)	1622	if (op->more)
1594	{	1623	{
1595	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1624	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1596	return op;	1625	return op;
1597	}	1626	}
1598		1627
1599	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1628	op->remove ();
1600	CLEAR_FLAG (op, FLAG_REMOVED);	1629
		1630	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1631
1601	if (op->nrof)	1632	if (op->nrof)
1602	{
1603	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1633	for (object *tmp = inv; tmp; tmp = tmp->below)
1604	if (object::can_merge (tmp, op))	1634	if (object::can_merge (tmp, op))
1605	{	1635	{
1606	/* return the original object and remove inserted object	1636	/* return the original object and remove inserted object
1607	(client needs the original object) */	1637	(client needs the original object) */
1608	tmp->nrof += op->nrof;	1638	tmp->nrof += op->nrof;
1609	/* Weight handling gets pretty funky. Since we are adding to	1639
1610	* tmp->nrof, we need to increase the weight.	1640	if (object *pl = tmp->visible_to ())
1611	*/	1641	esrv_update_item (UPD_NROF, pl, tmp);
		1642
1612	add_weight (this, op->weight * op->nrof);	1643	adjust_weight (this, op->total_weight ());
1613	SET_FLAG (op, FLAG_REMOVED);	1644
1614	op->destroy (); /* free the inserted object */	1645	op->destroy ();
1615	op = tmp;	1646	op = tmp;
1616	op->remove (); /* and fix old object's links */	1647	goto inserted;
1617	CLEAR_FLAG (op, FLAG_REMOVED);
1618	break;
1619	}	1648	}
1620		1649
1621	/* I assume combined objects have no inventory	1650	op->owner = 0; // it's his/hers now. period.
1622	* We add the weight - this object could have just been removed
1623	* (if it was possible to merge). calling remove_ob will subtract
1624	* the weight, so we need to add it in again, since we actually do
1625	* the linking below
1626	*/
1627	add_weight (this, op->weight * op->nrof);
1628	}
1629	else
1630	add_weight (this, (op->weight + op->carrying));
1631
1632	otmp = this->in_player ();
1633	if (otmp && otmp->contr)
1634	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1635	otmp->update_stats ();
1636
1637	op->map = 0;	1651	op->map = 0;
1638	op->env = this;	1652	op->x = 0;
		1653	op->y = 0;
		1654
1639	op->above = 0;	1655	op->above = 0;
1640	op->below = 0;	1656	op->below = inv;
1641	op->x = 0, op->y = 0;	1657	op->env = this;
1642		1658
		1659	if (inv)
		1660	inv->above = op;
		1661
		1662	inv = op;
		1663
		1664	op->flag [FLAG_REMOVED] = 0;
		1665
		1666	if (object *pl = op->visible_to ())
		1667	esrv_send_item (pl, op);
		1668
		1669	adjust_weight (this, op->total_weight ());
		1670
		1671	inserted:
1643	/* reset the light list and los of the players on the map */	1672	/* reset the light list and los of the players on the map */
1644	if ((op->glow_radius != 0) && map)	1673	if (op->glow_radius && is_on_map ())
1645	{	1674	{
1646	#ifdef DEBUG_LIGHTS	1675	update_stats ();
1647	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1648	#endif /* DEBUG_LIGHTS */
1649	if (map->darkness)
1650	update_all_los (map, x, y);	1676	update_all_los (map, x, y);
1651	}
1652
1653	/* Client has no idea of ordering so lets not bother ordering it here.
1654	* It sure simplifies this function...
1655	*/
1656	if (!inv)
1657	inv = op;
1658	else
1659	{	1677	}
1660	op->below = inv;	1678	else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1661	op->below->above = op;	1679	// if this is a player's inventory, update stats
1662	inv = op;	1680	update_stats ();
1663	}
1664		1681
1665	INVOKE_OBJECT (INSERT, this);	1682	INVOKE_OBJECT (INSERT, this);
1666		1683
1667	return op;	1684	return op;
1668	}	1685	}
…		…
1688	* on top.	1705	* on top.
1689	*/	1706	*/
1690	int	1707	int
1691	check_move_on (object *op, object *originator)	1708	check_move_on (object *op, object *originator)
1692	{	1709	{
		1710	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1711	return 0;
		1712
1693	object *tmp;	1713	object *tmp;
1694	maptile *m = op->map;	1714	maptile *m = op->map;
1695	int x = op->x, y = op->y;	1715	int x = op->x, y = op->y;
1696		1716
1697	MoveType move_on, move_slow, move_block;	1717	mapspace &ms = m->at (x, y);
1698		1718
1699	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1719	ms.update ();
1700	return 0;
1701		1720
1702	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1721	MoveType move_on = ms.move_on;
1703	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1722	MoveType move_slow = ms.move_slow;
1704	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1723	MoveType move_block = ms.move_block;
1705		1724
1706	/* if nothing on this space will slow op down or be applied,	1725	/* if nothing on this space will slow op down or be applied,
1707	* no need to do checking below. have to make sure move_type	1726	* no need to do checking below. have to make sure move_type
1708	* is set, as lots of objects don't have it set - we treat that	1727	* is set, as lots of objects don't have it set - we treat that
1709	* as walking.	1728	* as walking.
…		…
1720	return 0;	1739	return 0;
1721		1740
1722	/* The objects have to be checked from top to bottom.	1741	/* The objects have to be checked from top to bottom.
1723	* Hence, we first go to the top:	1742	* Hence, we first go to the top:
1724	*/	1743	*/
1725		1744	for (object *next, *tmp = ms.top; tmp; tmp = next)
1726	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1727	{
1728	/* Trim the search when we find the first other spell effect
1729	* this helps performance so that if a space has 50 spell objects,
1730	* we don't need to check all of them.
1731	*/
1732	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1733	break;
1734	}	1745	{
		1746	next = tmp->below;
1735		1747
1736	for (; tmp; tmp = tmp->below)
1737	{
1738	if (tmp == op)	1748	if (tmp == op)
1739	continue; /* Can't apply yourself */	1749	continue; /* Can't apply yourself */
1740		1750
1741	/* Check to see if one of the movement types should be slowed down.	1751	/* Check to see if one of the movement types should be slowed down.
1742	* Second check makes sure that the movement types not being slowed	1752	* Second check makes sure that the movement types not being slowed
…		…
1747	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1757	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1748	{	1758	{
1749	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1759	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1750	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1760	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1751	{	1761	{
1752
1753	float
1754	diff = tmp->move_slow_penalty * fabs (op->speed);	1762	float diff = tmp->move_slow_penalty * fabs (op->speed);
1755		1763
1756	if (op->type == PLAYER)	1764	if (op->is_player ())
1757	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1765	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1758	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1766	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1759	diff /= 4.0;	1767	diff /= 4.0;
1760		1768
1761	op->speed_left -= diff;	1769	op->speed_left -= diff;
1762	}	1770	}
1763	}	1771	}
…		…
1796	LOG (llevError, "Present_arch called outside map.\n");	1804	LOG (llevError, "Present_arch called outside map.\n");
1797	return NULL;	1805	return NULL;
1798	}	1806	}
1799		1807
1800	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1808	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1801	if (tmp->arch == at)	1809	if (tmp->arch->archname == at->archname)
1802	return tmp;	1810	return tmp;
1803		1811
1804	return NULL;	1812	return NULL;
1805	}	1813	}
1806		1814
…		…
1870	* The first matching object is returned, or NULL if none.	1878	* The first matching object is returned, or NULL if none.
1871	*/	1879	*/
1872	object *	1880	object *
1873	present_arch_in_ob (const archetype *at, const object *op)	1881	present_arch_in_ob (const archetype *at, const object *op)
1874	{	1882	{
1875	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1883	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1876	if (tmp->arch == at)	1884	if (tmp->arch->archname == at->archname)
1877	return tmp;	1885	return tmp;
1878		1886
1879	return NULL;	1887	return NULL;
1880	}	1888	}
1881		1889
…		…
1883	* activate recursively a flag on an object inventory	1891	* activate recursively a flag on an object inventory
1884	*/	1892	*/
1885	void	1893	void
1886	flag_inv (object *op, int flag)	1894	flag_inv (object *op, int flag)
1887	{	1895	{
1888	if (op->inv)
1889	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1896	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1890	{	1897	{
1891	SET_FLAG (tmp, flag);	1898	SET_FLAG (tmp, flag);
1892	flag_inv (tmp, flag);	1899	flag_inv (tmp, flag);
1893	}	1900	}
1894	}	1901	}
1895		1902
1896	/*	1903	/*
1897	* deactivate recursively a flag on an object inventory	1904	* deactivate recursively a flag on an object inventory
1898	*/	1905	*/
1899	void	1906	void
1900	unflag_inv (object *op, int flag)	1907	unflag_inv (object *op, int flag)
1901	{	1908	{
1902	if (op->inv)
1903	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1909	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1904	{	1910	{
1905	CLEAR_FLAG (tmp, flag);	1911	CLEAR_FLAG (tmp, flag);
1906	unflag_inv (tmp, flag);	1912	unflag_inv (tmp, flag);
1907	}	1913	}
1908	}
1909
1910	/*
1911	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1912	* all it's inventory (recursively).
1913	* If checksums are used, a player will get set_cheat called for
1914	* him/her-self and all object carried by a call to this function.
1915	*/
1916	void
1917	set_cheat (object *op)
1918	{
1919	SET_FLAG (op, FLAG_WAS_WIZ);
1920	flag_inv (op, FLAG_WAS_WIZ);
1921	}	1914	}
1922		1915
1923	/*	1916	/*
1924	* find_free_spot(object, map, x, y, start, stop) will search for	1917	* find_free_spot(object, map, x, y, start, stop) will search for
1925	* a spot at the given map and coordinates which will be able to contain	1918	* a spot at the given map and coordinates which will be able to contain
…		…
1927	* to search (see the freearr_x/y[] definition).	1920	* to search (see the freearr_x/y[] definition).
1928	* It returns a random choice among the alternatives found.	1921	* It returns a random choice among the alternatives found.
1929	* start and stop are where to start relative to the free_arr array (1,9	1922	* start and stop are where to start relative to the free_arr array (1,9
1930	* does all 4 immediate directions). This returns the index into the	1923	* does all 4 immediate directions). This returns the index into the
1931	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1924	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1932	* Note - this only checks to see if there is space for the head of the
1933	* object - if it is a multispace object, this should be called for all
1934	* pieces.
1935	* Note2: This function does correctly handle tiled maps, but does not	1925	* Note: This function does correctly handle tiled maps, but does not
1936	* inform the caller. However, insert_ob_in_map will update as	1926	* inform the caller. However, insert_ob_in_map will update as
1937	* necessary, so the caller shouldn't need to do any special work.	1927	* necessary, so the caller shouldn't need to do any special work.
1938	* Note - updated to take an object instead of archetype - this is necessary	1928	* Note - updated to take an object instead of archetype - this is necessary
1939	* because arch_blocked (now ob_blocked) needs to know the movement type	1929	* because arch_blocked (now ob_blocked) needs to know the movement type
1940	* to know if the space in question will block the object. We can't use	1930	* to know if the space in question will block the object. We can't use
…		…
1942	* customized, changed states, etc.	1932	* customized, changed states, etc.
1943	*/	1933	*/
1944	int	1934	int
1945	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1935	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1946	{	1936	{
		1937	int altern[SIZEOFFREE];
1947	int index = 0, flag;	1938	int index = 0, flag;
1948	int altern[SIZEOFFREE];
1949		1939
1950	for (int i = start; i < stop; i++)	1940	for (int i = start; i < stop; i++)
1951	{	1941	{
1952	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1942	mapxy pos (m, x, y); pos.move (i);
1953	if (!flag)	1943
		1944	if (!pos.normalise ())
		1945	continue;
		1946
		1947	mapspace &ms = *pos;
		1948
		1949	if (ms.flags () & P_IS_ALIVE)
		1950	continue;
		1951
		1952	/* However, often
		1953	* ob doesn't have any move type (when used to place exits)
		1954	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1955	*/
		1956	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1957	{
1954	altern [index++] = i;	1958	altern [index++] = i;
		1959	continue;
		1960	}
1955		1961
1956	/* Basically, if we find a wall on a space, we cut down the search size.	1962	/* Basically, if we find a wall on a space, we cut down the search size.
1957	* In this way, we won't return spaces that are on another side of a wall.	1963	* In this way, we won't return spaces that are on another side of a wall.
1958	* This mostly work, but it cuts down the search size in all directions -	1964	* This mostly work, but it cuts down the search size in all directions -
1959	* if the space being examined only has a wall to the north and empty	1965	* if the space being examined only has a wall to the north and empty
1960	* spaces in all the other directions, this will reduce the search space	1966	* spaces in all the other directions, this will reduce the search space
1961	* to only the spaces immediately surrounding the target area, and	1967	* to only the spaces immediately surrounding the target area, and
1962	* won't look 2 spaces south of the target space.	1968	* won't look 2 spaces south of the target space.
1963	*/	1969	*/
1964	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1970	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1971	{
1965	stop = maxfree[i];	1972	stop = maxfree[i];
		1973	continue;
		1974	}
		1975
		1976	/* Note it is intentional that we check ob - the movement type of the
		1977	* head of the object should correspond for the entire object.
		1978	*/
		1979	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1980	continue;
		1981
		1982	if (ob->blocked (pos.m, pos.x, pos.y))
		1983	continue;
		1984
		1985	altern [index++] = i;
1966	}	1986	}
1967		1987
1968	if (!index)	1988	if (!index)
1969	return -1;	1989	return -1;
1970		1990
1971	return altern[RANDOM () % index];	1991	return altern [rndm (index)];
1972	}	1992	}
1973		1993
1974	/*	1994	/*
1975	* find_first_free_spot(archetype, maptile, x, y) works like	1995	* find_first_free_spot(archetype, maptile, x, y) works like
1976	* find_free_spot(), but it will search max number of squares.	1996	* find_free_spot(), but it will search max number of squares.
…		…
1979	*/	1999	*/
1980	int	2000	int
1981	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2001	find_first_free_spot (const object *ob, maptile *m, int x, int y)
1982	{	2002	{
1983	for (int i = 0; i < SIZEOFFREE; i++)	2003	for (int i = 0; i < SIZEOFFREE; i++)
1984	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2004	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
1985	return i;	2005	return i;
1986		2006
1987	return -1;	2007	return -1;
1988	}	2008	}
1989		2009
…		…
1997	{	2017	{
1998	arr += begin;	2018	arr += begin;
1999	end -= begin;	2019	end -= begin;
2000		2020
2001	while (--end)	2021	while (--end)
2002	swap (arr [end], arr [RANDOM () % (end + 1)]);	2022	swap (arr [end], arr [rndm (end + 1)]);
2003	}	2023	}
2004		2024
2005	/* new function to make monster searching more efficient, and effective!	2025	/* new function to make monster searching more efficient, and effective!
2006	* This basically returns a randomized array (in the passed pointer) of	2026	* This basically returns a randomized array (in the passed pointer) of
2007	* the spaces to find monsters. In this way, it won't always look for	2027	* the spaces to find monsters. In this way, it won't always look for
…		…
2035	* there is capable of.	2055	* there is capable of.
2036	*/	2056	*/
2037	int	2057	int
2038	find_dir (maptile *m, int x, int y, object *exclude)	2058	find_dir (maptile *m, int x, int y, object *exclude)
2039	{	2059	{
2040	int i, max = SIZEOFFREE, mflags;	2060	int max = SIZEOFFREE, mflags;
2041
2042	sint16 nx, ny;
2043	object *tmp;
2044	maptile *mp;
2045
2046	MoveType blocked, move_type;	2061	MoveType move_type;
2047		2062
2048	if (exclude && exclude->head)	2063	if (exclude && exclude->head_ () != exclude)
2049	{	2064	{
2050	exclude = exclude->head;	2065	exclude = exclude->head;
2051	move_type = exclude->move_type;	2066	move_type = exclude->move_type;
2052	}	2067	}
2053	else	2068	else
2054	{	2069	{
2055	/* If we don't have anything, presume it can use all movement types. */	2070	/* If we don't have anything, presume it can use all movement types. */
2056	move_type = MOVE_ALL;	2071	move_type = MOVE_ALL;
2057	}	2072	}
2058		2073
2059	for (i = 1; i < max; i++)	2074	for (int i = 1; i < max; i++)
2060	{	2075	{
2061	mp = m;	2076	mapxy pos (m, x, y);
2062	nx = x + freearr_x[i];	2077	pos.move (i);
2063	ny = y + freearr_y[i];
2064		2078
2065	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2079	if (!pos.normalise ())
2066
2067	if (mflags & P_OUT_OF_MAP)
2068	max = maxfree[i];	2080	max = maxfree[i];
2069	else	2081	else
2070	{	2082	{
2071	mapspace &ms = mp->at (nx, ny);	2083	mapspace &ms = *pos;
2072		2084
2073	blocked = ms.move_block;
2074
2075	if ((move_type & blocked) == move_type)	2085	if ((move_type & ms.move_block) == move_type)
2076	max = maxfree[i];	2086	max = maxfree [i];
2077	else if (mflags & P_IS_ALIVE)	2087	else if (ms.flags () & P_IS_ALIVE)
2078	{	2088	{
2079	for (tmp = ms.bot; tmp; tmp = tmp->above)	2089	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2080	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2090	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2081	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2091	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2082	break;
2083
2084	if (tmp)
2085	return freedir[i];	2092	return freedir [i];
2086	}	2093	}
2087	}	2094	}
2088	}	2095	}
2089		2096
2090	return 0;	2097	return 0;
…		…
2165	* This basically means that if direction is 15, then it could either go	2172	* This basically means that if direction is 15, then it could either go
2166	* direction 4, 14, or 16 to get back to where we are.	2173	* direction 4, 14, or 16 to get back to where we are.
2167	* Moved from spell_util.c to object.c with the other related direction	2174	* Moved from spell_util.c to object.c with the other related direction
2168	* functions.	2175	* functions.
2169	*/	2176	*/
2170	int reduction_dir[SIZEOFFREE][3] = {	2177	static const int reduction_dir[SIZEOFFREE][3] = {
2171	{0, 0, 0}, /* 0 */	2178	{0, 0, 0}, /* 0 */
2172	{0, 0, 0}, /* 1 */	2179	{0, 0, 0}, /* 1 */
2173	{0, 0, 0}, /* 2 */	2180	{0, 0, 0}, /* 2 */
2174	{0, 0, 0}, /* 3 */	2181	{0, 0, 0}, /* 3 */
2175	{0, 0, 0}, /* 4 */	2182	{0, 0, 0}, /* 4 */
…		…
2266	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2273	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2267	* core dumps if they do.	2274	* core dumps if they do.
2268	*	2275	*
2269	* Add a check so we can't pick up invisible objects (0.93.8)	2276	* Add a check so we can't pick up invisible objects (0.93.8)
2270	*/	2277	*/
2271
2272	int	2278	int
2273	can_pick (const object *who, const object *item)	2279	can_pick (const object *who, const object *item)
2274	{	2280	{
2275	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2281	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2276	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2282	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2277	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2283	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2278	}	2284	}
2279		2285
2280	/*	2286	/*
2281	* create clone from object to another	2287	* create clone from object to another
2282	*/	2288	*/
2283	object *	2289	object *
2284	object_create_clone (object *asrc)	2290	object::deep_clone ()
2285	{	2291	{
2286	object *dst = 0, *tmp, *src, *part, *prev, *item;	2292	assert (("deep_clone called on non-head object", is_head ()));
2287		2293
2288	if (!asrc)	2294	object *dst = clone ();
2289	return 0;
2290		2295
2291	src = asrc;	2296	object *prev = dst;
2292	if (src->head)
2293	src = src->head;
2294
2295	prev = 0;
2296	for (part = src; part; part = part->more)	2297	for (object *part = this->more; part; part = part->more)
2297	{	2298	{
2298	tmp = part->clone ();	2299	object *tmp = part->clone ();
2299	tmp->x -= src->x;
2300	tmp->y -= src->y;
2301
2302	if (!part->head)
2303	{
2304	dst = tmp;
2305	tmp->head = 0;
2306	}
2307	else
2308	tmp->head = dst;	2300	tmp->head = dst;
2309
2310	tmp->more = 0;
2311
2312	if (prev)
2313	prev->more = tmp;	2301	prev->more = tmp;
2314
2315	prev = tmp;	2302	prev = tmp;
2316	}	2303	}
2317		2304
2318	for (item = src->inv; item; item = item->below)	2305	for (object *item = inv; item; item = item->below)
2319	insert_ob_in_ob (object_create_clone (item), dst);	2306	insert_ob_in_ob (item->deep_clone (), dst);
2320		2307
2321	return dst;	2308	return dst;
2322	}
2323
2324	/* GROS - Creates an object using a string representing its content. */
2325	/* Basically, we save the content of the string to a temp file, then call */
2326	/* load_object on it. I admit it is a highly inefficient way to make things, */
2327	/* but it was simple to make and allows reusing the load_object function. */
2328	/* Remember not to use load_object_str in a time-critical situation. */
2329	/* Also remember that multiparts objects are not supported for now. */
2330	object *
2331	load_object_str (const char *obstr)
2332	{
2333	object *op;
2334	char filename[MAX_BUF];
2335
2336	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2337
2338	FILE *tempfile = fopen (filename, "w");
2339
2340	if (tempfile == NULL)
2341	{
2342	LOG (llevError, "Error - Unable to access load object temp file\n");
2343	return NULL;
2344	}
2345
2346	fprintf (tempfile, obstr);
2347	fclose (tempfile);
2348
2349	op = object::create ();
2350
2351	object_thawer thawer (filename);
2352
2353	if (thawer)
2354	load_object (thawer, op, 0);
2355
2356	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2357	CLEAR_FLAG (op, FLAG_REMOVED);
2358
2359	return op;
2360	}	2309	}
2361		2310
2362	/* This returns the first object in who's inventory that	2311	/* This returns the first object in who's inventory that
2363	* has the same type and subtype match.	2312	* has the same type and subtype match.
2364	* returns NULL if no match.	2313	* returns NULL if no match.
…		…
2371	return tmp;	2320	return tmp;
2372		2321
2373	return 0;	2322	return 0;
2374	}	2323	}
2375		2324
2376	/* If ob has a field named key, return the link from the list,	2325	shstr_tmp
2377	* otherwise return NULL.	2326	object::kv_get (shstr_tmp key) const
2378	*
2379	* key must be a passed in shared string - otherwise, this won't
2380	* do the desired thing.
2381	*/
2382	key_value *
2383	get_ob_key_link (const object *ob, const char *key)
2384	{	2327	{
2385	for (key_value *link = ob->key_values; link; link = link->next)	2328	for (key_value *kv = key_values; kv; kv = kv->next)
2386	if (link->key == key)	2329	if (kv->key == key)
2387	return link;
2388
2389	return 0;
2390	}
2391
2392	/*
2393	* Returns the value of op has an extra_field for key, or NULL.
2394	*
2395	* The argument doesn't need to be a shared string.
2396	*
2397	* The returned string is shared.
2398	*/
2399	const char *
2400	get_ob_key_value (const object *op, const char *const key)
2401	{
2402	key_value *link;
2403	shstr_cmp canonical_key (key);
2404
2405	if (!canonical_key)
2406	{
2407	/* 1. There being a field named key on any object
2408	* implies there'd be a shared string to find.
2409	* 2. Since there isn't, no object has this field.
2410	* 3. Therefore, *this* object doesn't have this field.
2411	*/
2412	return 0;
2413	}
2414
2415	/* This is copied from get_ob_key_link() above -
2416	* only 4 lines, and saves the function call overhead.
2417	*/
2418	for (link = op->key_values; link; link = link->next)
2419	if (link->key == canonical_key)
2420	return link->value;	2330	return kv->value;
2421		2331
2422	return 0;	2332	return shstr ();
2423	}	2333	}
2424		2334
2425		2335	void
2426	/*	2336	object::kv_set (shstr_tmp key, shstr_tmp value)
2427	* Updates the canonical_key in op to value.
2428	*
2429	* canonical_key is a shared string (value doesn't have to be).
2430	*
2431	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2432	* keys.
2433	*
2434	* Returns TRUE on success.
2435	*/
2436	int
2437	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2438	{	2337	{
2439	key_value *field = NULL, *last = NULL;	2338	for (key_value *kv = key_values; kv; kv = kv->next)
2440		2339	if (kv->key == key)
2441	for (field = op->key_values; field != NULL; field = field->next)
2442	{
2443	if (field->key != canonical_key)
2444	{	2340	{
2445	last = field;	2341	kv->value = value;
2446	continue;	2342	return;
2447	}	2343	}
2448		2344
2449	if (value)	2345	key_value *kv = new key_value;
2450	field->value = value;	2346
2451	else	2347	kv->next = key_values;
		2348	kv->key = key;
		2349	kv->value = value;
		2350
		2351	key_values = kv;
		2352	}
		2353
		2354	void
		2355	object::kv_del (shstr_tmp key)
		2356	{
		2357	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2358	if ((*kvp)->key == key)
2452	{	2359	{
2453	/* Basically, if the archetype has this key set,	2360	key_value *kv = *kvp;
2454	* we need to store the null value so when we save	2361	*kvp = (*kvp)->next;
2455	* it, we save the empty value so that when we load,	2362	delete kv;
2456	* we get this value back again.	2363	return;
2457	*/
2458	if (get_ob_key_link (&op->arch->clone, canonical_key))
2459	field->value = 0;
2460	else
2461	{
2462	if (last)
2463	last->next = field->next;
2464	else
2465	op->key_values = field->next;
2466
2467	delete field;
2468	}
2469	}	2364	}
2470	return TRUE;
2471	}
2472	/* IF we get here, key doesn't exist */
2473
2474	/* No field, we'll have to add it. */
2475
2476	if (!add_key)
2477	return FALSE;
2478
2479	/* There isn't any good reason to store a null
2480	* value in the key/value list. If the archetype has
2481	* this key, then we should also have it, so shouldn't
2482	* be here. If user wants to store empty strings,
2483	* should pass in ""
2484	*/
2485	if (value == NULL)
2486	return TRUE;
2487
2488	field = new key_value;
2489
2490	field->key = canonical_key;
2491	field->value = value;
2492	/* Usual prepend-addition. */
2493	field->next = op->key_values;
2494	op->key_values = field;
2495
2496	return TRUE;
2497	}
2498
2499	/*
2500	* Updates the key in op to value.
2501	*
2502	* If add_key is FALSE, this will only update existing keys,
2503	* and not add new ones.
2504	* In general, should be little reason FALSE is ever passed in for add_key
2505	*
2506	* Returns TRUE on success.
2507	*/
2508	int
2509	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2510	{
2511	shstr key_ (key);
2512
2513	return set_ob_key_value_s (op, key_, value, add_key);
2514	}	2365	}
2515		2366
2516	object::depth_iterator::depth_iterator (object *container)	2367	object::depth_iterator::depth_iterator (object *container)
2517	: iterator_base (container)	2368	: iterator_base (container)
2518	{	2369	{
…		…
2531	item = item->inv;	2382	item = item->inv;
2532	}	2383	}
2533	else	2384	else
2534	item = item->env;	2385	item = item->env;
2535	}	2386	}
2536
2537		2387
2538	const char *	2388	const char *
2539	object::flag_desc (char *desc, int len) const	2389	object::flag_desc (char *desc, int len) const
2540	{	2390	{
2541	char *p = desc;	2391	char *p = desc;
…		…
2569	{	2419	{
2570	char flagdesc[512];	2420	char flagdesc[512];
2571	char info2[256 * 4];	2421	char info2[256 * 4];
2572	char *p = info;	2422	char *p = info;
2573		2423
2574	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2424	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2575	count, uuid.seq,	2425	count,
		2426	uuid.c_str (),
2576	&name,	2427	&name,
2577	title ? "\",title:\"" : "",	2428	title ? ",title:\"" : "",
2578	title ? (const char *)title : "",	2429	title ? (const char *)title : "",
		2430	title ? "\"" : "",
2579	flag_desc (flagdesc, 512), type);	2431	flag_desc (flagdesc, 512), type);
2580		2432
2581	if (env)	2433	if (!flag[FLAG_REMOVED] && env)
2582	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2434	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2583		2435
2584	if (map)	2436	if (map)
2585	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2437	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2586		2438
…		…
2588	}	2440	}
2589		2441
2590	const char *	2442	const char *
2591	object::debug_desc () const	2443	object::debug_desc () const
2592	{	2444	{
2593	static char info[256 * 4];	2445	static char info[3][256 * 4];
		2446	static int info_idx;
		2447
2594	return debug_desc (info);	2448	return debug_desc (info [++info_idx % 3]);
2595	}	2449	}
2596		2450
2597	const char *	2451	struct region *
2598	object::debug_desc2 () const	2452	object::region () const
2599	{	2453	{
2600	static char info[256 * 4];	2454	return map ? map->region (x, y)
2601	return debug_desc (info);	2455	: region::default_region ();
2602	}	2456	}
2603		2457
		2458	const materialtype_t *
		2459	object::dominant_material () const
		2460	{
		2461	if (materialtype_t *mt = name_to_material (materialname))
		2462	return mt;
		2463
		2464	return name_to_material (shstr_unknown);
		2465	}
		2466
		2467	void
		2468	object::open_container (object *new_container)
		2469	{
		2470	if (container == new_container)
		2471	return;
		2472
		2473	object *old_container = container;
		2474
		2475	if (old_container)
		2476	{
		2477	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2478	return;
		2479
		2480	#if 0
		2481	// remove the "Close old_container" object.
		2482	if (object *closer = old_container->inv)
		2483	if (closer->type == CLOSE_CON)
		2484	closer->destroy ();
		2485	#endif
		2486
		2487	// make sure the container is available
		2488	esrv_send_item (this, old_container);
		2489
		2490	old_container->flag [FLAG_APPLIED] = false;
		2491	container = 0;
		2492
		2493	// client needs item update to make it work, client bug requires this to be separate
		2494	esrv_update_item (UPD_FLAGS, this, old_container);
		2495
		2496	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2497	play_sound (sound_find ("chest_close"));
		2498	}
		2499
		2500	if (new_container)
		2501	{
		2502	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2503	return;
		2504
		2505	// TODO: this does not seem to serve any purpose anymore?
		2506	#if 0
		2507	// insert the "Close Container" object.
		2508	if (archetype *closer = new_container->other_arch)
		2509	{
		2510	object *closer = arch_to_object (new_container->other_arch);
		2511	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2512	new_container->insert (closer);
		2513	}
		2514	#endif
		2515
		2516	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2517
		2518	// make sure the container is available, client bug requires this to be separate
		2519	esrv_send_item (this, new_container);
		2520
		2521	new_container->flag [FLAG_APPLIED] = true;
		2522	container = new_container;
		2523
		2524	// client needs flag change
		2525	esrv_update_item (UPD_FLAGS, this, new_container);
		2526	esrv_send_inventory (this, new_container);
		2527	play_sound (sound_find ("chest_open"));
		2528	}
		2529	// else if (!old_container->env && contr && contr->ns)
		2530	// contr->ns->floorbox_reset ();
		2531	}
		2532
		2533	object *
		2534	object::force_find (shstr_tmp name)
		2535	{
		2536	/* cycle through his inventory to look for the MARK we want to
		2537	* place
		2538	*/
		2539	for (object *tmp = inv; tmp; tmp = tmp->below)
		2540	if (tmp->type == FORCE && tmp->slaying == name)
		2541	return splay (tmp);
		2542
		2543	return 0;
		2544	}
		2545
		2546	//-GPL
		2547
		2548	void
		2549	object::force_set_timer (int duration)
		2550	{
		2551	this->duration = 1;
		2552	this->speed_left = -1.f;
		2553
		2554	this->set_speed (duration ? 1.f / duration : 0.f);
		2555	}
		2556
		2557	object *
		2558	object::force_add (shstr_tmp name, int duration)
		2559	{
		2560	if (object *force = force_find (name))
		2561	force->destroy ();
		2562
		2563	object *force = get_archetype (FORCE_NAME);
		2564
		2565	force->slaying = name;
		2566	force->force_set_timer (duration);
		2567	force->flag [FLAG_APPLIED] = true;
		2568
		2569	return insert (force);
		2570	}
		2571
		2572	void
		2573	object::play_sound (faceidx sound) const
		2574	{
		2575	if (!sound)
		2576	return;
		2577
		2578	if (is_on_map ())
		2579	map->play_sound (sound, x, y);
		2580	else if (object *pl = in_player ())
		2581	pl->contr->play_sound (sound);
		2582	}
		2583
		2584	void
		2585	object::say_msg (const char *msg) const
		2586	{
		2587	if (is_on_map ())
		2588	map->say_msg (msg, x, y);
		2589	else if (object *pl = in_player ())
		2590	pl->contr->play_sound (sound);
		2591	}
		2592
		2593	void
		2594	object::make_noise ()
		2595	{
		2596	// we do not model noise in the map, so instead put
		2597	// a temporary light into the noise source
		2598	// could use the map instead, but that's less reliable for our
		2599	// goal, which is to make invisibility a bit harder to exploit
		2600
		2601	// currently only works sensibly for players
		2602	if (!is_player ())
		2603	return;
		2604
		2605	// find old force, or create new one
		2606	object *force = force_find (shstr_noise_force);
		2607
		2608	if (force)
		2609	force->speed_left = -1.f; // patch old speed up
		2610	else
		2611	{
		2612	force = archetype::get (shstr_noise_force);
		2613
		2614	force->slaying = shstr_noise_force;
		2615	force->stats.food = 1;
		2616	force->speed_left = -1.f;
		2617
		2618	force->set_speed (1.f / 4.f);
		2619	force->flag [FLAG_IS_USED_UP] = true;
		2620	force->flag [FLAG_APPLIED] = true;
		2621
		2622	insert (force);
		2623	}
		2624	}
		2625

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