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Comparing deliantra/server/common/object.C (file contents):
Revision 1.204 by root, Fri Apr 11 17:01:52 2008 UTC vs.
Revision 1.318 by root, Sat Apr 3 02:27:24 2010 UTC

1	/*	1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* Deliantra 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 3 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, see <http://www.gnu.org/licenses/>.	19	* and the GNU General Public License along with this program. If not, see
		20	* <http://www.gnu.org/licenses/>.
20	*	21	*
21	* The authors can be reached via e-mail to <support@deliantra.net>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	25	#include <global.h>
28	#include <stdio.h>	26	#include <stdio.h>
29	#include <sys/types.h>	27	#include <sys/types.h>
30	#include <sys/uio.h>	28	#include <sys/uio.h>
31	#include <object.h>	29	#include <object.h>
32	#include <funcpoint.h>
33	#include <sproto.h>	30	#include <sproto.h>
34	#include <loader.h>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	UUID UUID::cur;	34	UUID UUID::cur;
39	static uint64_t seq_next_save;	35	static uint64_t seq_next_save;
40	static const uint64 UUID_GAP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
41		38
42	objectvec objects;	39	objectvec objects;
43	activevec actives;	40	activevec actives;
		41
		42	//+GPL
44		43
45	short freearr_x[SIZEOFFREE] = {	44	short freearr_x[SIZEOFFREE] = {
46	0,	45	0,
47	0, 1, 1, 1, 0, -1, -1, -1,	46	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,	47	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
…		…
52	0,	51	0,
53	-1, -1, 0, 1, 1, 1, 0, -1,	52	-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,	53	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
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	54	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
56	};	55	};
57	int maxfree[SIZEOFFREE] = {
58	0,
59	9, 10, 13, 14, 17, 18, 21, 22,
60	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
61	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
62	};
63	int freedir[SIZEOFFREE] = {	56	int freedir[SIZEOFFREE] = {
64	0,	57	0,
65	1, 2, 3, 4, 5, 6, 7, 8,	58	1, 2, 3, 4, 5, 6, 7, 8,
66	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	59	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
67	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	60	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
68	};	61	};
69		62
		63	static int maxfree[SIZEOFFREE] = {
		64	0,
		65	9, 10, 13, 14, 17, 18, 21, 22,
		66	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		67	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		68	};
		69
70	static void	70	static void
71	write_uuid (uval64 skip, bool sync)	71	write_uuid (uval64 skip, bool sync)
72	{	72	{
73	CALL_BEGIN (2);	73	CALL_BEGIN (2);
74	CALL_ARG_SV (newSVval64 (skip));	74	CALL_ARG_SV (newSVval64 (skip));
…		…
76	CALL_CALL ("cf::write_uuid", G_DISCARD);	76	CALL_CALL ("cf::write_uuid", G_DISCARD);
77	CALL_END;	77	CALL_END;
78	}	78	}
79		79
80	static void	80	static void
81	read_uuid (void)	81	read_uuid ()
82	{	82	{
83	char filename[MAX_BUF];	83	char filename[MAX_BUF];
84		84
85	sprintf (filename, "%s/uuid", settings.localdir);	85	sprintf (filename, "%s/uuid", settings.localdir);
86		86
…		…
100		100
101	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	101	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
102	_exit (1);	102	_exit (1);
103	}	103	}
104		104
105	UUID::BUF buf;	105	char buf [UUID::MAX_LEN];
106	buf[0] = 0;	106	buf[0] = 0;
107	fgets (buf, sizeof (buf), fp);	107	fgets (buf, sizeof (buf), fp);
108		108
109	if (!UUID::cur.parse (buf))	109	if (!UUID::cur.parse (buf))
110	{	110	{
…		…
139	UUID::init ()	139	UUID::init ()
140	{	140	{
141	read_uuid ();	141	read_uuid ();
142	}	142	}
143		143
		144	bool
		145	UUID::parse (const char *s)
		146	{
		147	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		148	return false;
		149
		150	seq = 0;
		151
		152	while (*s != '>')
		153	{
		154	if (*s < '0')
		155	return false;
		156
		157	// this gives nice branchless code with gcc
		158	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		159	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		160
		161	seq = (seq << 4) | digit;
		162
		163	++s;
		164	}
		165
		166	return true;
		167	}
		168
		169	char *
		170	UUID::append (char *buf) const
		171	{
		172	*buf++ = '<';
		173	*buf++ = '1';
		174	*buf++ = '.';
		175
		176	uint64_t seq = this->seq;
		177	const int bits = 64;
		178	char nz = 0;
		179	static const char tohex [] = "0123456789abcdef";
		180
		181	// assert (len >= 3 + bits / 4 + 1 + 1);
		182	for (int i = bits / 4; --i; )
		183	{
		184	uint8_t digit = seq >> (bits - 4);
		185
		186	*buf = tohex [digit];
		187	nz |= digit;
		188	buf += nz ? 1 : 0;
		189	seq <<= 4;
		190	}
		191
		192	// last digit is special - always emit
		193	uint8_t digit = seq >> (bits - 4);
		194	*buf++ = tohex [digit];
		195
		196	*buf++ = '>';
		197
		198	return buf;
		199	}
		200
		201	char *
		202	UUID::c_str () const
		203	{
		204	static char buf [MAX_LEN];
		205	*append (buf) = 0;
		206	return buf;
		207	}
		208
144	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	209	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
145	static int	210	static bool
146	compare_ob_value_lists_one (const object *wants, const object *has)	211	compare_ob_value_lists_one (const object *wants, const object *has)
147	{	212	{
148	key_value *wants_field;
149
150	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	213	/* n-squared behaviour (see kv_get), but I'm hoping both
151	* objects with lists are rare, and lists stay short. If not, use a	214	* objects with lists are rare, and lists stay short. If not, use a
152	* different structure or at least keep the lists sorted...	215	* different structure or at least keep the lists sorted...
153	*/	216	*/
154		217
155	/* For each field in wants, */	218	/* For each field in wants, */
156	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	219	for (key_value *kv = wants->key_values; kv; kv = kv->next)
157	{	220	if (has->kv_get (kv->key) != kv->value)
158	key_value *has_field;	221	return false;
159
160	/* Look for a field in has with the same key. */
161	has_field = get_ob_key_link (has, wants_field->key);
162
163	if (has_field == NULL)
164	{
165	/* No field with that name. */
166	return FALSE;
167	}
168
169	/* Found the matching field. */
170	if (has_field->value != wants_field->value)
171	{
172	/* Values don't match, so this half of the comparison is false. */
173	return FALSE;
174	}
175
176	/* If we get here, we found a match. Now for the next field in wants. */
177	}
178		222
179	/* If we get here, every field in wants has a matching field in has. */	223	/* If we get here, every field in wants has a matching field in has. */
180	return TRUE;	224	return true;
181	}	225	}
182		226
183	/* Returns TRUE if ob1 has the same key_values as ob2. */	227	/* Returns TRUE if ob1 has the same key_values as ob2. */
184	static int	228	static bool
185	compare_ob_value_lists (const object *ob1, const object *ob2)	229	compare_ob_value_lists (const object *ob1, const object *ob2)
186	{	230	{
187	/* However, there may be fields in has which aren't partnered in wants,	231	/* However, there may be fields in has which aren't partnered in wants,
188	* so we need to run the comparison *twice*. :(	232	* so we need to run the comparison *twice*. :(
189	*/	233	*/
190	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	234	return compare_ob_value_lists_one (ob1, ob2)
		235	&& compare_ob_value_lists_one (ob2, ob1);
191	}	236	}
192		237
193	/* Function examines the 2 objects given to it, and returns true if	238	/* Function examines the 2 objects given to it, and returns true if
194	* they can be merged together.	239	* they can be merged together.
195	*	240	*
…		…
202	* Improvements made with merge: Better checking on potion, and also	247	* Improvements made with merge: Better checking on potion, and also
203	* check weight	248	* check weight
204	*/	249	*/
205	bool object::can_merge_slow (object *ob1, object *ob2)	250	bool object::can_merge_slow (object *ob1, object *ob2)
206	{	251	{
207	/* A couple quicksanity checks */	252	/* A couple quick sanity checks */
208	if (ob1 == ob2	253	if (ob1 == ob2
209	|| ob1->type != ob2->type	254	|| ob1->type != ob2->type
210	|| ob1->speed != ob2->speed
211	|| ob1->value != ob2->value	255	|| ob1->value != ob2->value
212	|| ob1->name != ob2->name)	256	|| ob1->name != ob2->name
		257	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
213	return 0;	258	return 0;
214		259
215	//TODO: this ain't working well, use nicer and correct overflow check
216	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	260	/* Do not merge objects if nrof would overflow, assume nrof
217	* value could not be stored in a sint32 (which unfortunately sometimes is	261	* is always 0 .. 2**31-1 */
218	* used to store nrof).	262	if (ob1->nrof > 0x7fffffff - ob2->nrof)
219	*/
220	if (ob1->nrof + ob2->nrof >= 1UL << 31)
221	return 0;	263	return 0;
222		264
223	/* If the objects have been identified, set the BEEN_APPLIED flag.	265	/* If the objects have been identified, set the BEEN_APPLIED flag.
224	* This is to the comparison of the flags below will be OK. We	266	* This is to the comparison of the flags below will be OK. We
225	* just can't ignore the been applied or identified flags, as they	267	* just can't ignore the been applied or identified flags, as they
226	* are not equal - just if it has been identified, the been_applied	268	* are not equal - just if it has been identified, the been_applied
227	* flags lose any meaning.	269	* flags lose any meaning.
228	*/	270	*/
229	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	271	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
230	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	272	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
231		273
232	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	274	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
233	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	275	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
234		276
235	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	277	if (ob1->arch->archname != ob2->arch->archname
236	|| ob1->arch != ob2->arch
237	|| ob1->name != ob2->name	278	|| ob1->name != ob2->name
238	|| ob1->title != ob2->title	279	|| ob1->title != ob2->title
239	|| ob1->msg != ob2->msg	280	|| ob1->msg != ob2->msg
240	|| ob1->weight != ob2->weight	281	|| ob1->weight != ob2->weight
241	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
242	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
243	|| ob1->attacktype != ob2->attacktype	282	|| ob1->attacktype != ob2->attacktype
244	|| ob1->magic != ob2->magic	283	|| ob1->magic != ob2->magic
245	|| ob1->slaying != ob2->slaying	284	|| ob1->slaying != ob2->slaying
246	|| ob1->skill != ob2->skill	285	|| ob1->skill != ob2->skill
247	|| ob1->value != ob2->value	286	|| ob1->value != ob2->value
248	|| ob1->animation_id != ob2->animation_id	287	|| ob1->animation_id != ob2->animation_id
		288	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
249	|| ob1->client_type != ob2->client_type	289	|| ob1->client_type != ob2->client_type
250	|| ob1->materialname != ob2->materialname	290	|| ob1->material != ob2->material
251	|| ob1->lore != ob2->lore	291	|| ob1->lore != ob2->lore
252	|| ob1->subtype != ob2->subtype	292	|| ob1->subtype != ob2->subtype
253	|| ob1->move_type != ob2->move_type	293	|| ob1->move_type != ob2->move_type
254	|| ob1->move_block != ob2->move_block	294	|| ob1->move_block != ob2->move_block
255	|| ob1->move_allow != ob2->move_allow	295	|| ob1->move_allow != ob2->move_allow
256	|| ob1->move_on != ob2->move_on	296	|| ob1->move_on != ob2->move_on
257	|| ob1->move_off != ob2->move_off	297	|| ob1->move_off != ob2->move_off
258	|| ob1->move_slow != ob2->move_slow	298	|| ob1->move_slow != ob2->move_slow
259	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	299	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		300	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		301	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
260	return 0;	302	return 0;
261		303
		304	if ((ob1->flag ^ ob2->flag)
		305	.reset (FLAG_INV_LOCKED)
		306	.reset (FLAG_REMOVED)
		307	.any ())
		308	return 0;
		309
262	/* This is really a spellbook check - really, we should	310	/* This is really a spellbook check - we should in general
263	* check all objects in the inventory.	311	* not merge objects with real inventories, as splitting them
		312	* is hard.
264	*/	313	*/
265	if (ob1->inv || ob2->inv)	314	if (ob1->inv || ob2->inv)
266	{	315	{
267	if (!(ob1->inv && ob2->inv))	316	if (!(ob1->inv && ob2->inv))
268	return 0; /* inventories differ in length */	317	return 0; /* inventories differ in length */
269		318
270	if (ob1->inv->below || ob2->inv->below)	319	if (ob1->inv->below || ob2->inv->below)
271	return 0; /* more than one object in inv */	320	return 0; /* more than one object in inv */
272		321
273	if (!object::can_merge (ob1->inv, ob2->inv))	322	if (!object::can_merge (ob1->inv, ob2->inv))
274	return 0; /* inventory objexts differ */	323	return 0; /* inventory objects differ */
275		324
276	/* inventory ok - still need to check rest of this object to see	325	/* inventory ok - still need to check rest of this object to see
277	* if it is valid.	326	* if it is valid.
278	*/	327	*/
279	}	328	}
…		…
298	if (ob1->level != ob2->level)	347	if (ob1->level != ob2->level)
299	return 0;	348	return 0;
300	break;	349	break;
301	}	350	}
302		351
303	if (ob1->key_values != NULL || ob2->key_values != NULL)	352	if (ob1->key_values || ob2->key_values)
304	{	353	{
305	/* At least one of these has key_values. */	354	/* At least one of these has key_values. */
306	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	355	if ((!ob1->key_values) != (!ob2->key_values))
307	/* One has fields, but the other one doesn't. */	356	return 0; /* One has fields, but the other one doesn't. */
308	return 0;	357
309	else if (!compare_ob_value_lists (ob1, ob2))	358	if (!compare_ob_value_lists (ob1, ob2))
310	return 0;	359	return 0;
311	}	360	}
312		361
313	if (ob1->self || ob2->self)	362	if (ob1->self || ob2->self)
314	{	363	{
…		…
320	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;	369	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
321	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;	370	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
322		371
323	if (k1 != k2)	372	if (k1 != k2)
324	return 0;	373	return 0;
		374
325	else if (k1 == 0)	375	if (k1 == 0)
326	return 1;	376	return 1;
		377
327	else if (!cfperl_can_merge (ob1, ob2))	378	if (!cfperl_can_merge (ob1, ob2))
328	return 0;	379	return 0;
329	}	380	}
330	}	381	}
331		382
332	/* Everything passes, must be OK. */	383	/* Everything passes, must be OK. */
333	return 1;	384	return 1;
334	}	385	}
335		386
		387	// find player who can see this object
		388	object *
		389	object::visible_to () const
		390	{
		391	if (client_visible () && !flag [FLAG_REMOVED])
		392	{
		393	// see if we are in a container of sorts
		394	if (env)
		395	{
		396	// the player inventory itself is always visible
		397	if (env->is_player ())
		398	return env;
		399
		400	// else a player could have our env open
		401	object *envest = env->outer_env_or_self ();
		402
		403	// the player itself is always on a map, so we will find him here
		404	// even if our inv is in a player.
		405	if (envest->is_on_map ())
		406	if (object *pl = envest->ms ().player ())
		407	if (pl->container_ () == env)
		408	return pl;
		409	}
		410	else
		411	{
		412	// maybe there is a player standing on the same mapspace
		413	// this will catch the case where "this" is a player
		414	if (object *pl = ms ().player ())
		415	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		416	|| pl->container_ () == this)
		417	return pl;
		418	}
		419	}
		420
		421	return 0;
		422	}
		423
		424	// adjust weight per container type ("of holding")
		425	static sint32
		426	weight_adjust_for (object *op, sint32 weight)
		427	{
		428	return op->type == CONTAINER
		429	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		430	: weight;
		431	}
		432
336	/*	433	/*
		434	* adjust_weight(object, weight) adds the specified weight to an object,
		435	* and also updates how much the environment(s) is/are carrying.
		436	*/
		437	static void
		438	adjust_weight (object *op, sint32 weight)
		439	{
		440	while (op)
		441	{
		442	// adjust by actual difference to account for rounding errors
		443	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		444	weight = weight_adjust_for (op, op->carrying)
		445	- weight_adjust_for (op, op->carrying - weight);
		446
		447	if (!weight)
		448	return;
		449
		450	op->carrying += weight;
		451
		452	if (object *pl = op->visible_to ())
		453	if (pl != op) // player is handled lazily
		454	esrv_update_item (UPD_WEIGHT, pl, op);
		455
		456	op = op->env;
		457	}
		458	}
		459
		460	/*
337	* sum_weight() is a recursive function which calculates the weight	461	* this is a recursive function which calculates the weight
338	* an object is carrying. It goes through in figures out how much	462	* an object is carrying. It goes through op and figures out how much
339	* containers are carrying, and sums it up.	463	* containers are carrying, and sums it up.
340	*/	464	*/
341	long	465	void
342	sum_weight (object *op)	466	object::update_weight ()
343	{	467	{
344	long sum;	468	sint32 sum = 0;
345	object *inv;
346		469
347	for (sum = 0, inv = op->inv; inv; inv = inv->below)	470	for (object *op = inv; op; op = op->below)
348	{	471	{
349	if (inv->inv)	472	if (op->inv)
350	sum_weight (inv);	473	op->update_weight ();
351		474
352	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	475	sum += op->total_weight ();
		476	}
		477
		478	sum = weight_adjust_for (this, sum);
		479
		480	if (sum != carrying)
353	}	481	{
354
355	if (op->type == CONTAINER && op->stats.Str)
356	sum = (sum * (100 - op->stats.Str)) / 100;
357
358	if (op->carrying != sum)
359	op->carrying = sum;	482	carrying = sum;
360		483
361	return sum;	484	if (object *pl = visible_to ())
		485	if (pl != this) // player is handled lazily
		486	esrv_update_item (UPD_WEIGHT, pl, this);
		487	}
362	}	488	}
363		489
364	/**	490	/*
365	* Return the outermost environment object for a given object.	491	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
366	*/
367
368	object *
369	object_get_env_recursive (object *op)
370	{
371	while (op->env != NULL)
372	op = op->env;
373	return op;
374	}
375
376	/*
377	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
378	* Some error messages.
379	* The result of the dump is stored in the static global errmsg array.
380	*/	492	*/
381	char *	493	char *
382	dump_object (object *op)	494	dump_object (object *op)
383	{	495	{
384	if (!op)	496	if (!op)
…		…
387	object_freezer freezer;	499	object_freezer freezer;
388	op->write (freezer);	500	op->write (freezer);
389	return freezer.as_string ();	501	return freezer.as_string ();
390	}	502	}
391		503
392	/*	504	char *
393	* get_nearest_part(multi-object, object 2) returns the part of the	505	object::as_string ()
394	* multi-object 1 which is closest to the second object.
395	* If it's not a multi-object, it is returned.
396	*/
397	object *
398	get_nearest_part (object *op, const object *pl)
399	{	506	{
400	object *tmp, *closest;	507	return dump_object (this);
401	int last_dist, i;
402
403	if (op->more == NULL)
404	return op;
405	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
406	if ((i = distance (tmp, pl)) < last_dist)
407	closest = tmp, last_dist = i;
408	return closest;
409	}	508	}
410		509
411	/*	510	/*
412	* Returns the object which has the count-variable equal to the argument.	511	* Returns the object which has the count-variable equal to the argument.
		512	* VERRRY slow.
413	*/	513	*/
414	object *	514	object *
415	find_object (tag_t i)	515	find_object (tag_t i)
416	{	516	{
417	for_all_objects (op)	517	for_all_objects (op)
…		…
420		520
421	return 0;	521	return 0;
422	}	522	}
423		523
424	/*	524	/*
		525	* Returns the object which has the uuid equal to the argument.
		526	* MOAR VERRRY slow.
		527	*/
		528
		529	object *
		530	find_object_uuid (UUID i)
		531	{
		532	for_all_objects (op)
		533	if (op->uuid == i)
		534	return op;
		535
		536	return 0;
		537	}
		538
		539	/*
425	* Returns the first object which has a name equal to the argument.	540	* Returns the first object which has a name equal to the argument.
426	* Used only by the patch command, but not all that useful.	541	* Used only by the patch command, but not all that useful.
427	* Enables features like "patch <name-of-other-player> food 999"	542	* Enables features like "patch <name-of-other-player> food 999"
428	*/	543	*/
429	object *	544	object *
430	find_object_name (const char *str)	545	find_object_name (const char *str)
431	{	546	{
432	shstr_cmp str_ (str);	547	shstr_cmp str_ (str);
433	object *op;
434		548
		549	if (str_)
435	for_all_objects (op)	550	for_all_objects (op)
436	if (op->name == str_)	551	if (op->name == str_)
437	break;	552	return op;
438		553
439	return op;	554	return 0;
440	}	555	}
441		556
442	/*	557	/*
443	* Sets the owner and sets the skill and exp pointers to owner's current	558	* Sets the owner and sets the skill and exp pointers to owner's current
444	* skill and experience objects.	559	* skill and experience objects.
…		…
476	}	591	}
477		592
478	return slot_none;	593	return slot_none;
479	}	594	}
480		595
481	bool
482	object::change_weapon (object *ob)
483	{
484	if (current_weapon == ob)
485	return true;
486
487	if (chosen_skill)
488	chosen_skill->flag [FLAG_APPLIED] = false;
489
490	current_weapon = ob;
491	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
492
493	if (chosen_skill)
494	chosen_skill->flag [FLAG_APPLIED] = true;
495
496	update_stats ();
497
498	if (ob)
499	{
500	// now check wether any body locations became invalid, in which case
501	// we cannot apply the weapon at the moment.
502	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
503	if (slot[i].used < 0)
504	{
505	current_weapon = chosen_skill = 0;
506	update_stats ();
507
508	new_draw_info_format (NDI_UNIQUE, 0, this,
509	"You try to balance all your items at once, "
510	"but the %s is just too much for your body. "
511	"[You need to unapply some items first.]", &ob->name);
512	return false;
513	}
514
515	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
516	}
517	else
518	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
519
520	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
521	{
522	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
523	&name, ob->debug_desc ());
524	return false;
525	}
526
527	return true;
528	}
529
530	/* Zero the key_values on op, decrementing the shared-string	596	/* Zero the key_values on op, decrementing the shared-string
531	* refcounts and freeing the links.	597	* refcounts and freeing the links.
532	*/	598	*/
533	static void	599	static void
534	free_key_values (object *op)	600	free_key_values (object *op)
…		…
542	}	608	}
543		609
544	op->key_values = 0;	610	op->key_values = 0;
545	}	611	}
546		612
547	object &	613	/*
548	object::operator =(const object &src)	614	* copy_to first frees everything allocated by the dst object,
		615	* and then copies the contents of itself into the second
		616	* object, allocating what needs to be allocated. Basically, any
		617	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		618	* if the first object is freed, the pointers in the new object
		619	* will point at garbage.
		620	*/
		621	void
		622	object::copy_to (object *dst)
549	{	623	{
550	bool is_freed = flag [FLAG_FREED];	624	dst->remove ();
551	bool is_removed = flag [FLAG_REMOVED];
552
553	*(object_copy *)this = src;	625	*(object_copy *)dst = *this;
554
555	flag [FLAG_FREED] = is_freed;
556	flag [FLAG_REMOVED] = is_removed;	626	dst->flag [FLAG_REMOVED] = true;
557		627
558	/* Copy over key_values, if any. */	628	/* Copy over key_values, if any. */
559	if (src.key_values)	629	if (key_values)
560	{	630	{
561	key_value *tail = 0;	631	key_value *tail = 0;
562	key_values = 0;	632	dst->key_values = 0;
563		633
564	for (key_value *i = src.key_values; i; i = i->next)	634	for (key_value *i = key_values; i; i = i->next)
565	{	635	{
566	key_value *new_link = new key_value;	636	key_value *new_link = new key_value;
567		637
568	new_link->next = 0;	638	new_link->next = 0;
569	new_link->key = i->key;	639	new_link->key = i->key;
570	new_link->value = i->value;	640	new_link->value = i->value;
571		641
572	/* Try and be clever here, too. */	642	/* Try and be clever here, too. */
573	if (!key_values)	643	if (!dst->key_values)
574	{	644	{
575	key_values = new_link;	645	dst->key_values = new_link;
576	tail = new_link;	646	tail = new_link;
577	}	647	}
578	else	648	else
579	{	649	{
580	tail->next = new_link;	650	tail->next = new_link;
581	tail = new_link;	651	tail = new_link;
582	}	652	}
583	}	653	}
584	}	654	}
585	}
586		655
587	/*	656	dst->activate ();
588	* copy_to first frees everything allocated by the dst object,
589	* and then copies the contents of itself into the second
590	* object, allocating what needs to be allocated. Basically, any
591	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
592	* if the first object is freed, the pointers in the new object
593	* will point at garbage.
594	*/
595	void
596	object::copy_to (object *dst)
597	{
598	*dst = *this;
599
600	if (speed < 0)
601	dst->speed_left -= rndm ();
602
603	dst->set_speed (dst->speed);
604	}	657	}
605		658
606	void	659	void
607	object::instantiate ()	660	object::instantiate ()
608	{	661	{
609	if (!uuid.seq) // HACK	662	if (!uuid.seq) // HACK
610	uuid = UUID::gen ();	663	uuid = UUID::gen ();
611		664
		665	// TODO: unclean state changes, should nt be done in copy_to AND instantiate
		666	if (flag [FLAG_RANDOM_SPEED] && speed)
		667	speed_left = - speed - rndm (); // TODO animation
		668	else
612	speed_left = -0.1f;	669	speed_left = -1.;
		670
613	/* copy the body_info to the body_used - this is only really	671	/* copy the body_info to the body_used - this is only really
614	* need for monsters, but doesn't hurt to do it for everything.	672	* need for monsters, but doesn't hurt to do it for everything.
615	* by doing so, when a monster is created, it has good starting	673	* by doing so, when a monster is created, it has good starting
616	* values for the body_used info, so when items are created	674	* values for the body_used info, so when items are created
617	* for it, they can be properly equipped.	675	* for it, they can be properly equipped.
…		…
625	object *	683	object *
626	object::clone ()	684	object::clone ()
627	{	685	{
628	object *neu = create ();	686	object *neu = create ();
629	copy_to (neu);	687	copy_to (neu);
		688
		689	// TODO: unclean state changes, should not be done in clone AND instantiate
		690	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		691	neu->speed_left = - neu->speed - rndm (); // TODO animation
		692
		693	neu->map = map; // not copied by copy_to
630	return neu;	694	return neu;
631	}	695	}
632		696
633	/*	697	/*
634	* If an object with the IS_TURNABLE() flag needs to be turned due	698	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
651	* This function needs to be called whenever the speed of an object changes.	715	* This function needs to be called whenever the speed of an object changes.
652	*/	716	*/
653	void	717	void
654	object::set_speed (float speed)	718	object::set_speed (float speed)
655	{	719	{
656	if (flag [FLAG_FREED] && speed)
657	{
658	LOG (llevError, "Object %s is freed but has speed.\n", &name);
659	speed = 0;
660	}
661
662	this->speed = speed;	720	this->speed = speed;
663		721
664	if (has_active_speed ())	722	if (has_active_speed ())
665	activate ();	723	activate ();
666	else	724	else
…		…
685	* UP_OBJ_FACE: only the objects face has changed.	743	* UP_OBJ_FACE: only the objects face has changed.
686	*/	744	*/
687	void	745	void
688	update_object (object *op, int action)	746	update_object (object *op, int action)
689	{	747	{
690	if (op == NULL)	748	if (!op)
691	{	749	{
692	/* this should never happen */	750	/* this should never happen */
693	LOG (llevDebug, "update_object() called for NULL object.\n");	751	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
694	return;	752	return;
695	}	753	}
696		754
697	if (op->env)	755	if (!op->is_on_map ())
698	{	756	{
699	/* Animation is currently handled by client, so nothing	757	/* Animation is currently handled by client, so nothing
700	* to do in this case.	758	* to do in this case.
701	*/	759	*/
702	return;	760	return;
703	}	761	}
704
705	/* If the map is saving, don't do anything as everything is
706	* going to get freed anyways.
707	*/
708	if (!op->map || op->map->in_memory == MAP_SAVING)
709	return;
710		762
711	/* make sure the object is within map boundaries */	763	/* make sure the object is within map boundaries */
712	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	764	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
713	{	765	{
714	LOG (llevError, "update_object() called for object out of map!\n");	766	LOG (llevError, "update_object() called for object out of map!\n");
…		…
722		774
723	if (!(m.flags_ & P_UPTODATE))	775	if (!(m.flags_ & P_UPTODATE))
724	/* nop */;	776	/* nop */;
725	else if (action == UP_OBJ_INSERT)	777	else if (action == UP_OBJ_INSERT)
726	{	778	{
		779	#if 0
727	// this is likely overkill, TODO: revisit (schmorp)	780	// this is likely overkill, TODO: revisit (schmorp)
728	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	781	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
729	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	782	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
730	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	783	|| (op->is_player () && !(m.flags_ & P_PLAYER))
731	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	784	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
732	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	785	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
733	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	786	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
734	|| (m.move_on | op->move_on ) != m.move_on	787	|| (m.move_on | op->move_on ) != m.move_on
735	|| (m.move_off | op->move_off ) != m.move_off	788	|| (m.move_off | op->move_off ) != m.move_off
736	|| (m.move_slow | op->move_slow) != m.move_slow	789	|| (m.move_slow | op->move_slow) != m.move_slow
737	/* This isn't perfect, but I don't expect a lot of objects to	790	/* This isn't perfect, but I don't expect a lot of objects to
738	* to have move_allow right now.	791	* have move_allow right now.
739	*/	792	*/
740	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	793	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		794	m.invalidate ();
		795	#else
741	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	796	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
742	m.flags_ = 0;	797	m.invalidate ();
		798	#endif
743	}	799	}
744	/* if the object is being removed, we can't make intelligent	800	/* if the object is being removed, we can't make intelligent
745	* decisions, because remove_ob can't really pass the object	801	* decisions, because remove_ob can't really pass the object
746	* that is being removed.	802	* that is being removed.
747	*/	803	*/
748	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	804	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
749	m.flags_ = 0;	805	m.invalidate ();
750	else if (action == UP_OBJ_FACE)	806	else if (action == UP_OBJ_FACE)
751	/* Nothing to do for that case */ ;	807	/* Nothing to do for that case */ ;
752	else	808	else
753	LOG (llevError, "update_object called with invalid action: %d\n", action);	809	LOG (llevError, "update_object called with invalid action: %d\n", action);
754		810
…		…
758		814
759	object::object ()	815	object::object ()
760	{	816	{
761	SET_FLAG (this, FLAG_REMOVED);	817	SET_FLAG (this, FLAG_REMOVED);
762		818
763	expmul = 1.0;	819	//expmul = 1.0; declared const for the time being
764	face = blank_face;	820	face = blank_face;
		821	material = MATERIAL_NULL;
765	}	822	}
766		823
767	object::~object ()	824	object::~object ()
768	{	825	{
769	unlink ();	826	unlink ();
…		…
798	/* If already on active list, don't do anything */	855	/* If already on active list, don't do anything */
799	if (active)	856	if (active)
800	return;	857	return;
801		858
802	if (has_active_speed ())	859	if (has_active_speed ())
		860	{
		861	if (flag [FLAG_FREED])
		862	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		863
803	actives.insert (this);	864	actives.insert (this);
		865	}
804	}	866	}
805		867
806	void	868	void
807	object::activate_recursive ()	869	object::activate_recursive ()
808	{	870	{
…		…
857	object::destroy_inv (bool drop_to_ground)	919	object::destroy_inv (bool drop_to_ground)
858	{	920	{
859	// need to check first, because the checks below might segfault	921	// need to check first, because the checks below might segfault
860	// as we might be on an invalid mapspace and crossfire code	922	// as we might be on an invalid mapspace and crossfire code
861	// is too buggy to ensure that the inventory is empty.	923	// is too buggy to ensure that the inventory is empty.
862	// corollary: if you create arrows etc. with stuff in tis inventory,	924	// corollary: if you create arrows etc. with stuff in its inventory,
863	// cf will crash below with off-map x and y	925	// cf will crash below with off-map x and y
864	if (!inv)	926	if (!inv)
865	return;	927	return;
866		928
867	/* Only if the space blocks everything do we not process -	929	/* Only if the space blocks everything do we not process -
868	* if some form of movement is allowed, let objects	930	* if some form of movement is allowed, let objects
869	* drop on that space.	931	* drop on that space.
870	*/	932	*/
871	if (!drop_to_ground	933	if (!drop_to_ground
872	|| !map	934	|| !map
873	|| map->in_memory != MAP_IN_MEMORY	935	|| map->in_memory != MAP_ACTIVE
874	|| map->nodrop	936	|| map->no_drop
875	|| ms ().move_block == MOVE_ALL)	937	|| ms ().move_block == MOVE_ALL)
876	{	938	{
877	while (inv)	939	while (inv)
878	{
879	inv->destroy_inv (drop_to_ground);
880	inv->destroy ();	940	inv->destroy ();
881	}
882	}	941	}
883	else	942	else
884	{ /* Put objects in inventory onto this space */	943	{ /* Put objects in inventory onto this space */
885	while (inv)	944	while (inv)
886	{	945	{
…		…
904	object *op = new object;	963	object *op = new object;
905	op->link ();	964	op->link ();
906	return op;	965	return op;
907	}	966	}
908		967
		968	static struct freed_map : maptile
		969	{
		970	freed_map ()
		971	{
		972	path = "<freed objects map>";
		973	name = "/internal/freed_objects_map";
		974	width = 3;
		975	height = 3;
		976	no_drop = 1;
		977	no_reset = 1;
		978
		979	alloc ();
		980	in_memory = MAP_ACTIVE;
		981	}
		982
		983	~freed_map ()
		984	{
		985	destroy ();
		986	}
		987	} freed_map; // freed objects are moved here to avoid crashes
		988
909	void	989	void
910	object::do_destroy ()	990	object::do_destroy ()
911	{	991	{
912	attachable::do_destroy ();
913
914	if (flag [FLAG_IS_LINKED])	992	if (flag [FLAG_IS_LINKED])
915	remove_button_link (this);	993	remove_link ();
916		994
917	if (flag [FLAG_FRIENDLY])	995	if (flag [FLAG_FRIENDLY])
918	remove_friendly_object (this);	996	remove_friendly_object (this);
919		997
920	if (!flag [FLAG_REMOVED])
921	remove ();	998	remove ();
922		999
923	destroy_inv (true);	1000	attachable::do_destroy ();
924		1001
925	deactivate ();	1002	deactivate ();
926	unlink ();	1003	unlink ();
927		1004
928	flag [FLAG_FREED] = 1;	1005	flag [FLAG_FREED] = 1;
929		1006
930	// hack to ensure that freed objects still have a valid map	1007	// hack to ensure that freed objects still have a valid map
931	{
932	static maptile *freed_map; // freed objects are moved here to avoid crashes
933
934	if (!freed_map)
935	{
936	freed_map = new maptile;
937
938	freed_map->path = "<freed objects map>";
939	freed_map->name = "/internal/freed_objects_map";
940	freed_map->width = 3;
941	freed_map->height = 3;
942	freed_map->nodrop = 1;
943
944	freed_map->alloc ();
945	freed_map->in_memory = MAP_IN_MEMORY;
946	}
947
948	map = freed_map;	1008	map = &freed_map;
949	x = 1;	1009	x = 1;
950	y = 1;	1010	y = 1;
951	}
952		1011
953	if (more)	1012	if (more)
954	{	1013	{
955	more->destroy ();	1014	more->destroy ();
956	more = 0;	1015	more = 0;
…		…
964	attacked_by = 0;	1023	attacked_by = 0;
965	current_weapon = 0;	1024	current_weapon = 0;
966	}	1025	}
967		1026
968	void	1027	void
969	object::destroy (bool destroy_inventory)	1028	object::destroy ()
970	{	1029	{
971	if (destroyed ())	1030	if (destroyed ())
972	return;	1031	return;
973		1032
974	if (destroy_inventory)	1033	if (!is_head () && !head->destroyed ())
		1034	{
		1035	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1036	head->destroy ();
		1037	return;
		1038	}
		1039
975	destroy_inv (false);	1040	destroy_inv (false);
976		1041
977	if (is_head ())	1042	if (is_head ())
978	if (sound_destroy)	1043	if (sound_destroy)
979	play_sound (sound_destroy);	1044	play_sound (sound_destroy);
980	else if (flag [FLAG_MONSTER])	1045	else if (flag [FLAG_MONSTER])
981	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism	1046	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
982		1047
983	attachable::destroy ();	1048	attachable::destroy ();
984	}
985
986	/*
987	* sub_weight() recursively (outwards) subtracts a number from the
988	* weight of an object (and what is carried by it's environment(s)).
989	*/
990	void
991	sub_weight (object *op, signed long weight)
992	{
993	while (op != NULL)
994	{
995	if (op->type == CONTAINER)
996	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
997
998	op->carrying -= weight;
999	op = op->env;
1000	}
1001	}	1049	}
1002		1050
1003	/* op->remove ():	1051	/* op->remove ():
1004	* This function removes the object op from the linked list of objects	1052	* This function removes the object op from the linked list of objects
1005	* which it is currently tied to. When this function is done, the	1053	* which it is currently tied to. When this function is done, the
…		…
1008	* the previous environment.	1056	* the previous environment.
1009	*/	1057	*/
1010	void	1058	void
1011	object::do_remove ()	1059	object::do_remove ()
1012	{	1060	{
1013	object *tmp, *last = 0;	1061	if (flag [FLAG_REMOVED])
1014	object *otmp;
1015
1016	if (QUERY_FLAG (this, FLAG_REMOVED))
1017	return;	1062	return;
1018		1063
1019	SET_FLAG (this, FLAG_REMOVED);
1020	INVOKE_OBJECT (REMOVE, this);	1064	INVOKE_OBJECT (REMOVE, this);
		1065
		1066	flag [FLAG_REMOVED] = true;
1021		1067
1022	if (more)	1068	if (more)
1023	more->remove ();	1069	more->remove ();
1024		1070
1025	/*	1071	/*
1026	* In this case, the object to be removed is in someones	1072	* In this case, the object to be removed is in someones
1027	* inventory.	1073	* inventory.
1028	*/	1074	*/
1029	if (env)	1075	if (env)
1030	{	1076	{
1031	if (nrof)	1077	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1032	sub_weight (env, weight * nrof);	1078	if (object *pl = visible_to ())
1033	else	1079	esrv_del_item (pl->contr, count);
1034	sub_weight (env, weight + carrying);	1080	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1035		1081
1036	/* NO_FIX_PLAYER is set when a great many changes are being	1082	adjust_weight (env, -total_weight ());
1037	* made to players inventory. If set, avoiding the call
1038	* to save cpu time.
1039	*/
1040	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1041	otmp->update_stats ();
1042		1083
1043	if (above)	1084	object *pl = in_player ();
1044	above->below = below;
1045	else
1046	env->inv = below;
1047
1048	if (below)
1049	below->above = above;
1050		1085
1051	/* we set up values so that it could be inserted into	1086	/* we set up values so that it could be inserted into
1052	* the map, but we don't actually do that - it is up	1087	* the map, but we don't actually do that - it is up
1053	* to the caller to decide what we want to do.	1088	* to the caller to decide what we want to do.
1054	*/	1089	*/
1055	x = env->x, y = env->y;
1056	map = env->map;	1090	map = env->map;
1057	above = 0, below = 0;	1091	x = env->x;
		1092	y = env->y;
		1093
		1094	// make sure cmov optimisation is applicable
		1095	*(above ? &above->below : &env->inv) = below;
		1096	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1097
		1098	above = 0;
		1099	below = 0;
1058	env = 0;	1100	env = 0;
		1101
		1102	if (pl && pl->is_player ())
		1103	{
		1104	if (expect_false (pl->contr->combat_ob == this))
		1105	{
		1106	pl->apply (pl->contr->combat_ob, AP_UNAPPLY);
		1107	pl->contr->combat_ob = 0;
		1108	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1109	}
		1110
		1111	if (expect_false (pl->contr->ranged_ob == this))
		1112	{
		1113	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY);
		1114	pl->contr->ranged_ob = 0;
		1115	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1116	}
		1117
		1118	pl->contr->queue_stats_update ();
		1119
		1120	if (expect_false (glow_radius) && pl->is_on_map ())
		1121	update_all_los (pl->map, pl->x, pl->y);
		1122	}
1059	}	1123	}
1060	else if (map)	1124	else if (map)
1061	{	1125	{
1062	if (type == PLAYER)
1063	{
1064	// leaving a spot always closes any open container on the ground
1065	if (container && !container->env)
1066	// this causes spurious floorbox updates, but it ensures
1067	// that the CLOSE event is being sent.
1068	close_container ();
1069
1070	--map->players;
1071	map->touch ();
1072	}
1073
1074	map->dirty = true;	1126	map->dirty = true;
1075	mapspace &ms = this->ms ();	1127	mapspace &ms = this->ms ();
1076		1128
		1129	if (object *pl = ms.player ())
		1130	{
		1131	if (is_player ())
		1132	{
		1133	if (!flag [FLAG_WIZPASS])
		1134	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1135
		1136	// leaving a spot always closes any open container on the ground
		1137	if (container && !container->env)
		1138	// this causes spurious floorbox updates, but it ensures
		1139	// that the CLOSE event is being sent.
		1140	close_container ();
		1141
		1142	--map->players;
		1143	map->touch ();
		1144	}
		1145	else if (pl->container_ () == this)
		1146	{
		1147	// removing a container should close it
		1148	close_container ();
		1149	}
		1150
		1151	esrv_del_item (pl->contr, count);
		1152	}
		1153
1077	/* link the object above us */	1154	/* link the object above us */
1078	if (above)	1155	// re-link, make sure compiler can easily use cmove
1079	above->below = below;	1156	*(above ? &above->below : &ms.top) = below;
1080	else	1157	*(below ? &below->above : &ms.bot) = above;
1081	ms.top = below; /* we were top, set new top */
1082
1083	/* Relink the object below us, if there is one */
1084	if (below)
1085	below->above = above;
1086	else
1087	{
1088	/* Nothing below, which means we need to relink map object for this space
1089	* use translated coordinates in case some oddness with map tiling is
1090	* evident
1091	*/
1092	if (GET_MAP_OB (map, x, y) != this)
1093	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 ());
1094
1095	ms.bot = above; /* goes on above it. */
1096	}
1097		1158
1098	above = 0;	1159	above = 0;
1099	below = 0;	1160	below = 0;
1100		1161
		1162	ms.invalidate ();
		1163
1101	if (map->in_memory == MAP_SAVING)	1164	if (map->in_memory == MAP_SAVING)
1102	return;	1165	return;
1103		1166
1104	int check_walk_off = !flag [FLAG_NO_APPLY];	1167	int check_walk_off = !flag [FLAG_NO_APPLY];
1105		1168
1106	if (object *pl = ms.player ())	1169	if (object *pl = ms.player ())
1107	{	1170	{
1108	if (pl->container == this)	1171	if (pl->container_ () == this)
1109	/* If a container that the player is currently using somehow gets	1172	/* If a container that the player is currently using somehow gets
1110	* removed (most likely destroyed), update the player view	1173	* removed (most likely destroyed), update the player view
1111	* appropriately.	1174	* appropriately.
1112	*/	1175	*/
1113	pl->close_container ();	1176	pl->close_container ();
1114		1177
		1178	//TODO: the floorbox prev/next might need updating
		1179	//esrv_del_item (pl->contr, count);
		1180	//TODO: update floorbox to preserve ordering
		1181	if (pl->contr->ns)
1115	pl->contr->ns->floorbox_update ();	1182	pl->contr->ns->floorbox_update ();
1116	}	1183	}
1117		1184
		1185	if (check_walk_off)
1118	for (tmp = ms.bot; tmp; tmp = tmp->above)	1186	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1119	{	1187	{
		1188	above = tmp->above;
		1189
1120	/* No point updating the players look faces if he is the object	1190	/* No point updating the players look faces if he is the object
1121	* being removed.	1191	* being removed.
1122	*/	1192	*/
1123		1193
1124	/* See if object moving off should effect something */	1194	/* See if object moving off should effect something */
1125	if (check_walk_off
1126	&& ((move_type & tmp->move_off)	1195	if ((move_type & tmp->move_off)
1127	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1196	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1128	{
1129	move_apply (tmp, this, 0);	1197	move_apply (tmp, this, 0);
1130
1131	if (destroyed ())
1132	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1133	}	1198	}
1134		1199
1135	last = tmp;	1200	if (affects_los ())
1136	}
1137
1138	/* last == NULL if there are no objects on this space */
1139	//TODO: this makes little sense, why only update the topmost object?
1140	if (!last)
1141	map->at (x, y).flags_ = 0;
1142	else
1143	update_object (last, UP_OBJ_REMOVE);
1144
1145	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1146	update_all_los (map, x, y);	1201	update_all_los (map, x, y);
1147	}	1202	}
1148	}	1203	}
1149		1204
1150	/*	1205	/*
…		…
1164	if (!top)	1219	if (!top)
1165	for (top = op; top && top->above; top = top->above)	1220	for (top = op; top && top->above; top = top->above)
1166	;	1221	;
1167		1222
1168	for (; top; top = top->below)	1223	for (; top; top = top->below)
1169	{
1170	if (top == op)
1171	continue;
1172
1173	if (object::can_merge (op, top))	1224	if (object::can_merge (op, top))
1174	{	1225	{
1175	top->nrof += op->nrof;	1226	top->nrof += op->nrof;
1176		1227
1177	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1228	if (object *pl = top->visible_to ())
1178	op->weight = 0; /* Don't want any adjustements now */	1229	esrv_update_item (UPD_NROF, pl, top);
		1230
		1231	op->weight = 0; // cancel the addition above
		1232	op->carrying = 0; // must be 0 already
		1233
1179	op->destroy ();	1234	op->destroy ();
		1235
1180	return top;	1236	return top;
1181	}	1237	}
1182	}
1183		1238
1184	return 0;	1239	return 0;
1185	}	1240	}
1186		1241
1187	void	1242	void
…		…
1192		1247
1193	object *prev = this;	1248	object *prev = this;
1194		1249
1195	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1250	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1196	{	1251	{
1197	object *op = arch_to_object (at);	1252	object *op = at->instance ();
1198		1253
1199	op->name = name;	1254	op->name = name;
1200	op->name_pl = name_pl;	1255	op->name_pl = name_pl;
1201	op->title = title;	1256	op->title = title;
1202		1257
…		…
1212	* job preparing multi-part monsters.	1267	* job preparing multi-part monsters.
1213	*/	1268	*/
1214	object *	1269	object *
1215	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1270	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1216	{	1271	{
		1272	op->remove ();
		1273
1217	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1274	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1218	{	1275	{
1219	tmp->x = x + tmp->arch->x;	1276	tmp->x = x + tmp->arch->x;
1220	tmp->y = y + tmp->arch->y;	1277	tmp->y = y + tmp->arch->y;
1221	}	1278	}
…		…
1238	* Passing 0 for flag gives proper default values, so flag really only needs	1295	* Passing 0 for flag gives proper default values, so flag really only needs
1239	* to be set if special handling is needed.	1296	* to be set if special handling is needed.
1240	*	1297	*
1241	* Return value:	1298	* Return value:
1242	* new object if 'op' was merged with other object	1299	* new object if 'op' was merged with other object
1243	* NULL if 'op' was destroyed	1300	* NULL if there was an error (destroyed, blocked etc.)
1244	* just 'op' otherwise	1301	* just 'op' otherwise
1245	*/	1302	*/
1246	object *	1303	object *
1247	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1304	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1248	{	1305	{
1249	assert (!op->flag [FLAG_FREED]);
1250
1251	object *top, *floor = NULL;
1252
1253	op->remove ();	1306	op->remove ();
		1307
		1308	if (m == &freed_map)//D TODO: remove soon
		1309	{//D
		1310	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
		1311	}//D
1254		1312
1255	/* Ideally, the caller figures this out. However, it complicates a lot	1313	/* Ideally, the caller figures this out. However, it complicates a lot
1256	* of areas of callers (eg, anything that uses find_free_spot would now	1314	* of areas of callers (eg, anything that uses find_free_spot would now
1257	* need extra work	1315	* need extra work
1258	*/	1316	*/
		1317	maptile *newmap = m;
1259	if (!xy_normalise (m, op->x, op->y))	1318	if (!xy_normalise (newmap, op->x, op->y))
1260	{	1319	{
1261	op->destroy ();	1320	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1262	return 0;	1321	return 0;
1263	}	1322	}
1264		1323
1265	if (object *more = op->more)	1324	if (object *more = op->more)
1266	if (!insert_ob_in_map (more, m, originator, flag))	1325	if (!insert_ob_in_map (more, m, originator, flag))
1267	return 0;	1326	return 0;
1268		1327
1269	CLEAR_FLAG (op, FLAG_REMOVED);	1328	op->flag [FLAG_REMOVED] = false;
1270		1329	op->env = 0;
1271	op->map = m;	1330	op->map = newmap;
		1331
1272	mapspace &ms = op->ms ();	1332	mapspace &ms = op->ms ();
1273		1333
1274	/* this has to be done after we translate the coordinates.	1334	/* this has to be done after we translate the coordinates.
1275	*/	1335	*/
1276	if (op->nrof && !(flag & INS_NO_MERGE))	1336	if (op->nrof && !(flag & INS_NO_MERGE))
1277	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1337	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1278	if (object::can_merge (op, tmp))	1338	if (object::can_merge (op, tmp))
1279	{	1339	{
		1340	// TODO: we actually want to update tmp, not op,
		1341	// but some caller surely breaks when we return tmp
		1342	// from here :/
1280	op->nrof += tmp->nrof;	1343	op->nrof += tmp->nrof;
1281	tmp->destroy ();	1344	tmp->destroy ();
1282	}	1345	}
1283		1346
1284	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1347	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1293	{	1356	{
1294	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1357	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1295	abort ();	1358	abort ();
1296	}	1359	}
1297		1360
		1361	if (!originator->is_on_map ())
		1362	{
		1363	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1364	op->debug_desc (), originator->debug_desc ());
		1365	abort ();
		1366	}
		1367
1298	op->above = originator;	1368	op->above = originator;
1299	op->below = originator->below;	1369	op->below = originator->below;
1300
1301	if (op->below)
1302	op->below->above = op;
1303	else
1304	ms.bot = op;
1305
1306	/* since *below* originator, no need to update top */
1307	originator->below = op;	1370	originator->below = op;
		1371
		1372	*(op->below ? &op->below->above : &ms.bot) = op;
1308	}	1373	}
1309	else	1374	else
1310	{	1375	{
1311	top = ms.bot;	1376	object *floor = 0;
		1377	object *top = ms.top;
1312		1378
1313	/* If there are other objects, then */	1379	/* If there are other objects, then */
1314	if (top)	1380	if (top)
1315	{	1381	{
1316	object *last = 0;
1317
1318	/*	1382	/*
1319	* If there are multiple objects on this space, we do some trickier handling.	1383	* If there are multiple objects on this space, we do some trickier handling.
1320	* We've already dealt with merging if appropriate.	1384	* We've already dealt with merging if appropriate.
1321	* Generally, we want to put the new object on top. But if	1385	* Generally, we want to put the new object on top. But if
1322	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1386	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1325	* once we get to them. This reduces the need to traverse over all of	1389	* once we get to them. This reduces the need to traverse over all of
1326	* them when adding another one - this saves quite a bit of cpu time	1390	* them when adding another one - this saves quite a bit of cpu time
1327	* when lots of spells are cast in one area. Currently, it is presumed	1391	* when lots of spells are cast in one area. Currently, it is presumed
1328	* that flying non pickable objects are spell objects.	1392	* that flying non pickable objects are spell objects.
1329	*/	1393	*/
1330	for (top = ms.bot; top; top = top->above)	1394	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1331	{	1395	{
1332	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1396	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1333	floor = top;	1397	floor = tmp;
1334		1398
1335	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1399	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1336	{	1400	{
1337	/* We insert above top, so we want this object below this */	1401	/* We insert above top, so we want this object below this */
1338	top = top->below;	1402	top = tmp->below;
1339	break;	1403	break;
1340	}	1404	}
1341		1405
1342	last = top;	1406	top = tmp;
1343	}	1407	}
1344
1345	/* Don't want top to be NULL, so set it to the last valid object */
1346	top = last;
1347		1408
1348	/* We let update_position deal with figuring out what the space	1409	/* We let update_position deal with figuring out what the space
1349	* looks like instead of lots of conditions here.	1410	* looks like instead of lots of conditions here.
1350	* makes things faster, and effectively the same result.	1411	* makes things faster, and effectively the same result.
1351	*/	1412	*/
…		…
1358	*/	1419	*/
1359	if (!(flag & INS_ON_TOP)	1420	if (!(flag & INS_ON_TOP)
1360	&& ms.flags () & P_BLOCKSVIEW	1421	&& ms.flags () & P_BLOCKSVIEW
1361	&& (op->face && !faces [op->face].visibility))	1422	&& (op->face && !faces [op->face].visibility))
1362	{	1423	{
		1424	object *last;
		1425
1363	for (last = top; last != floor; last = last->below)	1426	for (last = top; last != floor; last = last->below)
1364	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1427	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1365	break;	1428	break;
1366		1429
1367	/* Check to see if we found the object that blocks view,	1430	/* Check to see if we found the object that blocks view,
…		…
1375	} /* If objects on this space */	1438	} /* If objects on this space */
1376		1439
1377	if (flag & INS_ABOVE_FLOOR_ONLY)	1440	if (flag & INS_ABOVE_FLOOR_ONLY)
1378	top = floor;	1441	top = floor;
1379		1442
1380	/* Top is the object that our object (op) is going to get inserted above.	1443	// insert object above top, or bottom-most if top = 0
1381	*/
1382
1383	/* First object on this space */
1384	if (!top)	1444	if (!top)
1385	{	1445	{
		1446	op->below = 0;
1386	op->above = ms.bot;	1447	op->above = ms.bot;
1387
1388	if (op->above)
1389	op->above->below = op;
1390
1391	op->below = 0;
1392	ms.bot = op;	1448	ms.bot = op;
		1449
		1450	*(op->above ? &op->above->below : &ms.top) = op;
1393	}	1451	}
1394	else	1452	else
1395	{ /* get inserted into the stack above top */	1453	{
1396	op->above = top->above;	1454	op->above = top->above;
1397
1398	if (op->above)
1399	op->above->below = op;	1455	top->above = op;
1400		1456
1401	op->below = top;	1457	op->below = top;
1402	top->above = op;	1458	*(op->above ? &op->above->below : &ms.top) = op;
1403	}	1459	}
		1460	}
1404		1461
1405	if (!op->above)	1462	if (op->is_player ())
1406	ms.top = op;
1407	} /* else not INS_BELOW_ORIGINATOR */
1408
1409	if (op->type == PLAYER)
1410	{	1463	{
1411	op->contr->do_los = 1;	1464	op->contr->do_los = 1;
1412	++op->map->players;	1465	++op->map->players;
1413	op->map->touch ();	1466	op->map->touch ();
1414	}	1467	}
1415		1468
1416	op->map->dirty = true;	1469	op->map->dirty = true;
1417		1470
1418	if (object *pl = ms.player ())	1471	if (object *pl = ms.player ())
		1472	//TODO: the floorbox prev/next might need updating
		1473	//esrv_send_item (pl, op);
		1474	//TODO: update floorbox to preserve ordering
		1475	if (pl->contr->ns)
1419	pl->contr->ns->floorbox_update ();	1476	pl->contr->ns->floorbox_update ();
1420		1477
1421	/* If this object glows, it may affect lighting conditions that are	1478	/* If this object glows, it may affect lighting conditions that are
1422	* visible to others on this map. But update_all_los is really	1479	* visible to others on this map. But update_all_los is really
1423	* an inefficient way to do this, as it means los for all players	1480	* an inefficient way to do this, as it means los for all players
1424	* on the map will get recalculated. The players could very well	1481	* on the map will get recalculated. The players could very well
1425	* be far away from this change and not affected in any way -	1482	* be far away from this change and not affected in any way -
1426	* this should get redone to only look for players within range,	1483	* this should get redone to only look for players within range,
1427	* or just updating the P_UPTODATE for spaces within this area	1484	* or just updating the P_UPTODATE for spaces within this area
1428	* of effect may be sufficient.	1485	* of effect may be sufficient.
1429	*/	1486	*/
1430	if (op->map->darkness && (op->glow_radius != 0))	1487	if (op->affects_los ())
		1488	{
		1489	op->ms ().invalidate ();
1431	update_all_los (op->map, op->x, op->y);	1490	update_all_los (op->map, op->x, op->y);
		1491	}
1432		1492
1433	/* updates flags (blocked, alive, no magic, etc) for this map space */	1493	/* updates flags (blocked, alive, no magic, etc) for this map space */
1434	update_object (op, UP_OBJ_INSERT);	1494	update_object (op, UP_OBJ_INSERT);
1435		1495
1436	INVOKE_OBJECT (INSERT, op);	1496	INVOKE_OBJECT (INSERT, op);
…		…
1443	* blocked() and wall() work properly), and these flags are updated by	1503	* blocked() and wall() work properly), and these flags are updated by
1444	* update_object().	1504	* update_object().
1445	*/	1505	*/
1446		1506
1447	/* if this is not the head or flag has been passed, don't check walk on status */	1507	/* if this is not the head or flag has been passed, don't check walk on status */
1448	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1508	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1449	{	1509	{
1450	if (check_move_on (op, originator))	1510	if (check_move_on (op, originator))
1451	return 0;	1511	return 0;
1452		1512
1453	/* If we are a multi part object, lets work our way through the check	1513	/* If we are a multi part object, lets work our way through the check
…		…
1464	/* this function inserts an object in the map, but if it	1524	/* this function inserts an object in the map, but if it
1465	* finds an object of its own type, it'll remove that one first.	1525	* finds an object of its own type, it'll remove that one first.
1466	* op is the object to insert it under: supplies x and the map.	1526	* op is the object to insert it under: supplies x and the map.
1467	*/	1527	*/
1468	void	1528	void
1469	replace_insert_ob_in_map (const char *arch_string, object *op)	1529	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1470	{	1530	{
1471	object *tmp, *tmp1;
1472
1473	/* first search for itself and remove any old instances */	1531	/* first search for itself and remove any old instances */
1474		1532
1475	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1533	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1476	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1534	if (tmp->arch->archname == archname) /* same archetype */
1477	tmp->destroy ();	1535	tmp->destroy ();
1478		1536
1479	tmp1 = arch_to_object (archetype::find (arch_string));	1537	object *tmp = archetype::find (archname)->instance ();
1480		1538
1481	tmp1->x = op->x;	1539	tmp->x = op->x;
1482	tmp1->y = op->y;	1540	tmp->y = op->y;
		1541
1483	insert_ob_in_map (tmp1, op->map, op, 0);	1542	insert_ob_in_map (tmp, op->map, op, 0);
1484	}	1543	}
1485		1544
1486	object *	1545	object *
1487	object::insert_at (object *where, object *originator, int flags)	1546	object::insert_at (object *where, object *originator, int flags)
1488	{	1547	{
		1548	if (where->env)
		1549	return where->env->insert (this);
		1550	else
1489	return where->map->insert (this, where->x, where->y, originator, flags);	1551	return where->map->insert (this, where->x, where->y, originator, flags);
1490	}	1552	}
1491		1553
1492	/*	1554	// check whether we can put this into the map, respect max_volume, max_items
1493	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1555	bool
1494	* is returned contains nr objects, and the remaining parts contains	1556	object::can_drop_at (maptile *m, int x, int y, object *originator)
1495	* the rest (or is removed and freed if that number is 0).
1496	* On failure, NULL is returned, and the reason put into the
1497	* global static errmsg array.
1498	*/
1499	object *
1500	get_split_ob (object *orig_ob, uint32 nr)
1501	{	1557	{
1502	object *newob;	1558	mapspace &ms = m->at (x, y);
1503	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1504		1559
1505	if (orig_ob->nrof < nr)	1560	int items = ms.items ();
1506	{
1507	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1508	return NULL;
1509	}
1510		1561
1511	newob = object_create_clone (orig_ob);	1562	if (!items // testing !items ensures we can drop at least one item
		1563	|| (items < m->max_items
		1564	&& ms.volume () < m->max_volume))
		1565	return true;
1512		1566
1513	if ((orig_ob->nrof -= nr) < 1)	1567	if (originator && originator->is_player ())
1514	orig_ob->destroy (1);	1568	originator->contr->failmsg (format (
1515	else if (!is_removed)	1569	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1516	{	1570	query_name ()
1517	if (orig_ob->env != NULL)	1571	));
1518	sub_weight (orig_ob->env, orig_ob->weight * nr);
1519	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1520	{
1521	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1522	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1523	return NULL;
1524	}
1525	}
1526		1572
1527	newob->nrof = nr;	1573	return false;
1528
1529	return newob;
1530	}	1574	}
1531		1575
1532	/*	1576	/*
1533	* decrease_ob_nr(object, number) decreases a specified number from	1577	* decrease(object, number) decreases a specified number from
1534	* the amount of an object. If the amount reaches 0, the object	1578	* the amount of an object. If the amount reaches 0, the object
1535	* is subsequently removed and freed.	1579	* is subsequently removed and freed.
1536	*	1580	*
1537	* Return value: 'op' if something is left, NULL if the amount reached 0	1581	* Return value: 'op' if something is left, NULL if the amount reached 0
1538	*/	1582	*/
		1583	bool
		1584	object::decrease (sint32 nr)
		1585	{
		1586	if (!nr)
		1587	return true;
		1588
		1589	nr = min (nr, nrof);
		1590
		1591	if (nrof > nr)
		1592	{
		1593	nrof -= nr;
		1594	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1595
		1596	if (object *pl = visible_to ())
		1597	esrv_update_item (UPD_NROF, pl, this);
		1598
		1599	return true;
		1600	}
		1601	else
		1602	{
		1603	destroy ();
		1604	return false;
		1605	}
		1606	}
		1607
		1608	/*
		1609	* split(ob,nr) splits up ob into two parts. The part which
		1610	* is returned contains nr objects, and the remaining parts contains
		1611	* the rest (or is removed and returned if that number is 0).
		1612	* On failure, NULL is returned.
		1613	*/
1539	object *	1614	object *
1540	decrease_ob_nr (object *op, uint32 i)	1615	object::split (sint32 nr)
1541	{	1616	{
1542	object *tmp;	1617	int have = number_of ();
1543		1618
1544	if (i == 0) /* objects with op->nrof require this check */	1619	if (have < nr)
1545	return op;	1620	return 0;
1546		1621	else if (have == nr)
1547	if (i > op->nrof)
1548	i = op->nrof;
1549
1550	if (QUERY_FLAG (op, FLAG_REMOVED))
1551	op->nrof -= i;
1552	else if (op->env)
1553	{	1622	{
1554	/* is this object in the players inventory, or sub container
1555	* therein?
1556	*/
1557	tmp = op->in_player ();
1558	/* nope. Is this a container the player has opened?
1559	* If so, set tmp to that player.
1560	* IMO, searching through all the players will mostly
1561	* likely be quicker than following op->env to the map,
1562	* and then searching the map for a player.
1563	*/
1564	if (!tmp)
1565	for_all_players (pl)
1566	if (pl->ob->container == op->env)
1567	{
1568	tmp = pl->ob;
1569	break;
1570	}
1571
1572	if (i < op->nrof)
1573	{
1574	sub_weight (op->env, op->weight * i);
1575	op->nrof -= i;
1576	if (tmp)
1577	esrv_send_item (tmp, op);
1578	}
1579	else
1580	{
1581	op->remove ();	1623	remove ();
1582	op->nrof = 0;	1624	return this;
1583	if (tmp)
1584	esrv_del_item (tmp->contr, op->count);
1585	}
1586	}	1625	}
1587	else	1626	else
1588	{	1627	{
1589	object *above = op->above;	1628	decrease (nr);
1590		1629
1591	if (i < op->nrof)	1630	object *op = deep_clone ();
1592	op->nrof -= i;	1631	op->nrof = nr;
1593	else
1594	{
1595	op->remove ();
1596	op->nrof = 0;
1597	}
1598
1599	/* Since we just removed op, op->above is null */
1600	for (tmp = above; tmp; tmp = tmp->above)
1601	if (tmp->type == PLAYER)
1602	{
1603	if (op->nrof)
1604	esrv_send_item (tmp, op);
1605	else
1606	esrv_del_item (tmp->contr, op->count);
1607	}
1608	}
1609
1610	if (op->nrof)
1611	return op;	1632	return op;
1612	else
1613	{
1614	op->destroy ();
1615	return 0;
1616	}
1617	}
1618
1619	/*
1620	* add_weight(object, weight) adds the specified weight to an object,
1621	* and also updates how much the environment(s) is/are carrying.
1622	*/
1623	void
1624	add_weight (object *op, signed long weight)
1625	{
1626	while (op != NULL)
1627	{
1628	if (op->type == CONTAINER)
1629	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1630
1631	op->carrying += weight;
1632	op = op->env;
1633	}	1633	}
1634	}	1634	}
1635		1635
1636	object *	1636	object *
1637	insert_ob_in_ob (object *op, object *where)	1637	insert_ob_in_ob (object *op, object *where)
…		…
1662	* be != op, if items are merged. -Tero	1662	* be != op, if items are merged. -Tero
1663	*/	1663	*/
1664	object *	1664	object *
1665	object::insert (object *op)	1665	object::insert (object *op)
1666	{	1666	{
1667	if (!QUERY_FLAG (op, FLAG_REMOVED))
1668	op->remove ();
1669
1670	if (op->more)	1667	if (op->more)
1671	{	1668	{
1672	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1669	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1673	return op;	1670	return op;
1674	}	1671	}
1675		1672
1676	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1673	op->remove ();
1677	CLEAR_FLAG (op, FLAG_REMOVED);	1674
		1675	op->flag [FLAG_OBJ_ORIGINAL] = 0;
1678		1676
1679	if (op->nrof)	1677	if (op->nrof)
1680	{
1681	for (object *tmp = inv; tmp; tmp = tmp->below)	1678	for (object *tmp = inv; tmp; tmp = tmp->below)
1682	if (object::can_merge (tmp, op))	1679	if (object::can_merge (tmp, op))
1683	{	1680	{
1684	/* return the original object and remove inserted object	1681	/* return the original object and remove inserted object
1685	(client needs the original object) */	1682	(client needs the original object) */
1686	tmp->nrof += op->nrof;	1683	tmp->nrof += op->nrof;
1687	/* Weight handling gets pretty funky. Since we are adding to	1684
1688	* tmp->nrof, we need to increase the weight.	1685	if (object *pl = tmp->visible_to ())
1689	*/	1686	esrv_update_item (UPD_NROF, pl, tmp);
		1687
1690	add_weight (this, op->weight * op->nrof);	1688	adjust_weight (this, op->total_weight ());
1691	SET_FLAG (op, FLAG_REMOVED);	1689
1692	op->destroy (); /* free the inserted object */	1690	op->destroy ();
1693	op = tmp;	1691	op = tmp;
1694	op->remove (); /* and fix old object's links */	1692	goto inserted;
1695	CLEAR_FLAG (op, FLAG_REMOVED);
1696	break;
1697	}	1693	}
1698		1694
1699	/* I assume combined objects have no inventory
1700	* We add the weight - this object could have just been removed
1701	* (if it was possible to merge). calling remove_ob will subtract
1702	* the weight, so we need to add it in again, since we actually do
1703	* the linking below
1704	*/
1705	add_weight (this, op->weight * op->nrof);
1706	}
1707	else
1708	add_weight (this, (op->weight + op->carrying));
1709
1710	if (object *otmp = this->in_player ())
1711	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1712	otmp->update_stats ();
1713
1714	op->owner = 0; // its his/hers now. period.	1695	op->owner = 0; // it's his/hers now. period.
1715	op->map = 0;	1696	op->map = 0;
		1697	op->x = 0;
		1698	op->y = 0;
		1699
		1700	op->above = 0;
		1701	op->below = inv;
1716	op->env = this;	1702	op->env = this;
1717	op->above = 0;
1718	op->below = 0;
1719	op->x = op->y = 0;
1720		1703
		1704	if (inv)
		1705	inv->above = op;
		1706
		1707	inv = op;
		1708
		1709	op->flag [FLAG_REMOVED] = 0;
		1710
		1711	if (object *pl = op->visible_to ())
		1712	esrv_send_item (pl, op);
		1713
		1714	adjust_weight (this, op->total_weight ());
		1715
		1716	inserted:
1721	/* reset the light list and los of the players on the map */	1717	/* reset the light list and los of the players on the map */
1722	if (op->glow_radius && map)	1718	if (op->glow_radius && is_on_map ())
1723	{	1719	{
1724	#ifdef DEBUG_LIGHTS	1720	update_stats ();
1725	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1726	#endif /* DEBUG_LIGHTS */
1727	if (map->darkness)
1728	update_all_los (map, x, y);	1721	update_all_los (map, x, y);
1729	}
1730
1731	/* Client has no idea of ordering so lets not bother ordering it here.
1732	* It sure simplifies this function...
1733	*/
1734	if (!inv)
1735	inv = op;
1736	else
1737	{	1722	}
1738	op->below = inv;	1723	else if (is_player ())
1739	op->below->above = op;	1724	// if this is a player's inventory, update stats
1740	inv = op;	1725	contr->queue_stats_update ();
1741	}
1742		1726
1743	INVOKE_OBJECT (INSERT, this);	1727	INVOKE_OBJECT (INSERT, this);
1744		1728
1745	return op;	1729	return op;
1746	}	1730	}
…		…
1766	* on top.	1750	* on top.
1767	*/	1751	*/
1768	int	1752	int
1769	check_move_on (object *op, object *originator)	1753	check_move_on (object *op, object *originator)
1770	{	1754	{
		1755	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1756	return 0;
		1757
1771	object *tmp;	1758	object *tmp;
1772	maptile *m = op->map;	1759	maptile *m = op->map;
1773	int x = op->x, y = op->y;	1760	int x = op->x, y = op->y;
1774		1761
1775	MoveType move_on, move_slow, move_block;	1762	mapspace &ms = m->at (x, y);
1776		1763
1777	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1764	ms.update ();
1778	return 0;
1779		1765
1780	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1766	MoveType move_on = ms.move_on;
1781	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1767	MoveType move_slow = ms.move_slow;
1782	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1768	MoveType move_block = ms.move_block;
1783		1769
1784	/* if nothing on this space will slow op down or be applied,	1770	/* if nothing on this space will slow op down or be applied,
1785	* no need to do checking below. have to make sure move_type	1771	* no need to do checking below. have to make sure move_type
1786	* is set, as lots of objects don't have it set - we treat that	1772	* is set, as lots of objects don't have it set - we treat that
1787	* as walking.	1773	* as walking.
…		…
1798	return 0;	1784	return 0;
1799		1785
1800	/* The objects have to be checked from top to bottom.	1786	/* The objects have to be checked from top to bottom.
1801	* Hence, we first go to the top:	1787	* Hence, we first go to the top:
1802	*/	1788	*/
1803		1789	for (object *next, *tmp = ms.top; tmp; tmp = next)
1804	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1805	{
1806	/* Trim the search when we find the first other spell effect
1807	* this helps performance so that if a space has 50 spell objects,
1808	* we don't need to check all of them.
1809	*/
1810	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1811	break;
1812	}	1790	{
		1791	next = tmp->below;
1813		1792
1814	for (; tmp; tmp = tmp->below)
1815	{
1816	if (tmp == op)	1793	if (tmp == op)
1817	continue; /* Can't apply yourself */	1794	continue; /* Can't apply yourself */
1818		1795
1819	/* Check to see if one of the movement types should be slowed down.	1796	/* Check to see if one of the movement types should be slowed down.
1820	* Second check makes sure that the movement types not being slowed	1797	* Second check makes sure that the movement types not being slowed
…		…
1825	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1802	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1826	{	1803	{
1827	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1804	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1828	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1805	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1829	{	1806	{
1830
1831	float
1832	diff = tmp->move_slow_penalty * fabs (op->speed);	1807	float diff = tmp->move_slow_penalty * fabs (op->speed);
1833		1808
1834	if (op->type == PLAYER)	1809	if (op->is_player ())
1835	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1810	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1836	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1811	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1837	diff /= 4.0;	1812	diff /= 4.0;
1838		1813
1839	op->speed_left -= diff;	1814	op->speed_left -= diff;
1840	}	1815	}
1841	}	1816	}
…		…
1874	LOG (llevError, "Present_arch called outside map.\n");	1849	LOG (llevError, "Present_arch called outside map.\n");
1875	return NULL;	1850	return NULL;
1876	}	1851	}
1877		1852
1878	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1853	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1879	if (tmp->arch == at)	1854	if (tmp->arch->archname == at->archname)
1880	return tmp;	1855	return tmp;
1881		1856
1882	return NULL;	1857	return NULL;
1883	}	1858	}
1884		1859
…		…
1948	* The first matching object is returned, or NULL if none.	1923	* The first matching object is returned, or NULL if none.
1949	*/	1924	*/
1950	object *	1925	object *
1951	present_arch_in_ob (const archetype *at, const object *op)	1926	present_arch_in_ob (const archetype *at, const object *op)
1952	{	1927	{
1953	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1928	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1954	if (tmp->arch == at)	1929	if (tmp->arch->archname == at->archname)
1955	return tmp;	1930	return tmp;
1956		1931
1957	return NULL;	1932	return NULL;
1958	}	1933	}
1959		1934
…		…
2047	* head of the object should correspond for the entire object.	2022	* head of the object should correspond for the entire object.
2048	*/	2023	*/
2049	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	2024	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
2050	continue;	2025	continue;
2051		2026
2052	if (ob->blocked (m, pos.x, pos.y))	2027	if (ob->blocked (pos.m, pos.x, pos.y))
2053	continue;	2028	continue;
2054		2029
2055	altern [index++] = i;	2030	altern [index++] = i;
2056	}	2031	}
2057		2032
…		…
2125	* there is capable of.	2100	* there is capable of.
2126	*/	2101	*/
2127	int	2102	int
2128	find_dir (maptile *m, int x, int y, object *exclude)	2103	find_dir (maptile *m, int x, int y, object *exclude)
2129	{	2104	{
2130	int i, max = SIZEOFFREE, mflags;	2105	int max = SIZEOFFREE, mflags;
2131
2132	sint16 nx, ny;
2133	object *tmp;
2134	maptile *mp;
2135
2136	MoveType blocked, move_type;	2106	MoveType move_type;
2137		2107
2138	if (exclude && exclude->head_ () != exclude)	2108	if (exclude && exclude->head_ () != exclude)
2139	{	2109	{
2140	exclude = exclude->head;	2110	exclude = exclude->head;
2141	move_type = exclude->move_type;	2111	move_type = exclude->move_type;
…		…
2144	{	2114	{
2145	/* If we don't have anything, presume it can use all movement types. */	2115	/* If we don't have anything, presume it can use all movement types. */
2146	move_type = MOVE_ALL;	2116	move_type = MOVE_ALL;
2147	}	2117	}
2148		2118
2149	for (i = 1; i < max; i++)	2119	for (int i = 1; i < max; i++)
2150	{	2120	{
2151	mp = m;	2121	mapxy pos (m, x, y);
2152	nx = x + freearr_x[i];	2122	pos.move (i);
2153	ny = y + freearr_y[i];
2154		2123
2155	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2124	if (!pos.normalise ())
2156
2157	if (mflags & P_OUT_OF_MAP)
2158	max = maxfree[i];	2125	max = maxfree[i];
2159	else	2126	else
2160	{	2127	{
2161	mapspace &ms = mp->at (nx, ny);	2128	mapspace &ms = *pos;
2162		2129
2163	blocked = ms.move_block;
2164
2165	if ((move_type & blocked) == move_type)	2130	if ((move_type & ms.move_block) == move_type)
2166	max = maxfree[i];	2131	max = maxfree [i];
2167	else if (mflags & P_IS_ALIVE)	2132	else if (ms.flags () & P_IS_ALIVE)
2168	{	2133	{
2169	for (tmp = ms.bot; tmp; tmp = tmp->above)	2134	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2170	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2135	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2171	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2136	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2172	break;
2173
2174	if (tmp)
2175	return freedir[i];	2137	return freedir [i];
2176	}	2138	}
2177	}	2139	}
2178	}	2140	}
2179		2141
2180	return 0;	2142	return 0;
…		…
2255	* This basically means that if direction is 15, then it could either go	2217	* This basically means that if direction is 15, then it could either go
2256	* direction 4, 14, or 16 to get back to where we are.	2218	* direction 4, 14, or 16 to get back to where we are.
2257	* Moved from spell_util.c to object.c with the other related direction	2219	* Moved from spell_util.c to object.c with the other related direction
2258	* functions.	2220	* functions.
2259	*/	2221	*/
2260	int reduction_dir[SIZEOFFREE][3] = {	2222	static const int reduction_dir[SIZEOFFREE][3] = {
2261	{0, 0, 0}, /* 0 */	2223	{0, 0, 0}, /* 0 */
2262	{0, 0, 0}, /* 1 */	2224	{0, 0, 0}, /* 1 */
2263	{0, 0, 0}, /* 2 */	2225	{0, 0, 0}, /* 2 */
2264	{0, 0, 0}, /* 3 */	2226	{0, 0, 0}, /* 3 */
2265	{0, 0, 0}, /* 4 */	2227	{0, 0, 0}, /* 4 */
…		…
2361	int	2323	int
2362	can_pick (const object *who, const object *item)	2324	can_pick (const object *who, const object *item)
2363	{	2325	{
2364	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2326	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2365	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2327	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2366	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2328	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2367	}	2329	}
2368		2330
2369	/*	2331	/*
2370	* create clone from object to another	2332	* create clone from object to another
2371	*/	2333	*/
2372	object *	2334	object *
2373	object_create_clone (object *asrc)	2335	object::deep_clone ()
2374	{	2336	{
2375	object *dst = 0, *tmp, *src, *prev, *item;	2337	assert (("deep_clone called on non-head object", is_head ()));
2376		2338
2377	if (!asrc)	2339	object *dst = clone ();
2378	return 0;
2379		2340
2380	src = asrc->head_ ();	2341	object *prev = dst;
2381
2382	prev = 0;
2383	for (object *part = src; part; part = part->more)	2342	for (object *part = this->more; part; part = part->more)
2384	{	2343	{
2385	tmp = part->clone ();	2344	object *tmp = part->clone ();
2386	tmp->x -= src->x;
2387	tmp->y -= src->y;
2388
2389	if (!part->head)
2390	{
2391	dst = tmp;
2392	tmp->head = 0;
2393	}
2394	else
2395	tmp->head = dst;	2345	tmp->head = dst;
2396
2397	tmp->more = 0;
2398
2399	if (prev)
2400	prev->more = tmp;	2346	prev->more = tmp;
2401
2402	prev = tmp;	2347	prev = tmp;
2403	}	2348	}
2404		2349
2405	for (item = src->inv; item; item = item->below)	2350	for (object *item = inv; item; item = item->below)
2406	insert_ob_in_ob (object_create_clone (item), dst);	2351	insert_ob_in_ob (item->deep_clone (), dst);
2407		2352
2408	return dst;	2353	return dst;
2409	}	2354	}
2410		2355
2411	/* This returns the first object in who's inventory that	2356	/* This returns the first object in who's inventory that
…		…
2420	return tmp;	2365	return tmp;
2421		2366
2422	return 0;	2367	return 0;
2423	}	2368	}
2424		2369
2425	/* If ob has a field named key, return the link from the list,	2370	shstr_tmp
2426	* otherwise return NULL.	2371	object::kv_get (shstr_tmp key) const
2427	*
2428	* key must be a passed in shared string - otherwise, this won't
2429	* do the desired thing.
2430	*/
2431	key_value *
2432	get_ob_key_link (const object *ob, const char *key)
2433	{	2372	{
2434	for (key_value *link = ob->key_values; link; link = link->next)	2373	for (key_value *kv = key_values; kv; kv = kv->next)
2435	if (link->key == key)	2374	if (kv->key == key)
2436	return link;
2437
2438	return 0;
2439	}
2440
2441	/*
2442	* Returns the value of op has an extra_field for key, or NULL.
2443	*
2444	* The argument doesn't need to be a shared string.
2445	*
2446	* The returned string is shared.
2447	*/
2448	const char *
2449	get_ob_key_value (const object *op, const char *const key)
2450	{
2451	key_value *link;
2452	shstr_cmp canonical_key (key);
2453
2454	if (!canonical_key)
2455	{
2456	/* 1. There being a field named key on any object
2457	* implies there'd be a shared string to find.
2458	* 2. Since there isn't, no object has this field.
2459	* 3. Therefore, *this* object doesn't have this field.
2460	*/
2461	return 0;
2462	}
2463
2464	/* This is copied from get_ob_key_link() above -
2465	* only 4 lines, and saves the function call overhead.
2466	*/
2467	for (link = op->key_values; link; link = link->next)
2468	if (link->key == canonical_key)
2469	return link->value;	2375	return kv->value;
2470		2376
2471	return 0;	2377	return shstr ();
2472	}	2378	}
2473		2379
2474	/*	2380	void
2475	* Updates the canonical_key in op to value.	2381	object::kv_set (shstr_tmp key, shstr_tmp value)
2476	*
2477	* canonical_key is a shared string (value doesn't have to be).
2478	*
2479	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2480	* keys.
2481	*
2482	* Returns TRUE on success.
2483	*/
2484	int
2485	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2486	{	2382	{
2487	key_value *field = NULL, *last = NULL;	2383	for (key_value *kv = key_values; kv; kv = kv->next)
2488		2384	if (kv->key == key)
2489	for (field = op->key_values; field != NULL; field = field->next)
2490	{
2491	if (field->key != canonical_key)
2492	{	2385	{
2493	last = field;	2386	kv->value = value;
2494	continue;	2387	return;
2495	}	2388	}
2496		2389
2497	if (value)	2390	key_value *kv = new key_value;
2498	field->value = value;	2391
2499	else	2392	kv->next = key_values;
		2393	kv->key = key;
		2394	kv->value = value;
		2395
		2396	key_values = kv;
		2397	}
		2398
		2399	void
		2400	object::kv_del (shstr_tmp key)
		2401	{
		2402	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2403	if ((*kvp)->key == key)
2500	{	2404	{
2501	/* Basically, if the archetype has this key set,	2405	key_value *kv = *kvp;
2502	* we need to store the null value so when we save	2406	*kvp = (*kvp)->next;
2503	* it, we save the empty value so that when we load,	2407	delete kv;
2504	* we get this value back again.	2408	return;
2505	*/
2506	if (get_ob_key_link (op->arch, canonical_key))
2507	field->value = 0;
2508	else
2509	{
2510	if (last)
2511	last->next = field->next;
2512	else
2513	op->key_values = field->next;
2514
2515	delete field;
2516	}
2517	}	2409	}
2518	return TRUE;
2519	}
2520	/* IF we get here, key doesn't exist */
2521
2522	/* No field, we'll have to add it. */
2523
2524	if (!add_key)
2525	return FALSE;
2526
2527	/* There isn't any good reason to store a null
2528	* value in the key/value list. If the archetype has
2529	* this key, then we should also have it, so shouldn't
2530	* be here. If user wants to store empty strings,
2531	* should pass in ""
2532	*/
2533	if (value == NULL)
2534	return TRUE;
2535
2536	field = new key_value;
2537
2538	field->key = canonical_key;
2539	field->value = value;
2540	/* Usual prepend-addition. */
2541	field->next = op->key_values;
2542	op->key_values = field;
2543
2544	return TRUE;
2545	}
2546
2547	/*
2548	* Updates the key in op to value.
2549	*
2550	* If add_key is FALSE, this will only update existing keys,
2551	* and not add new ones.
2552	* In general, should be little reason FALSE is ever passed in for add_key
2553	*
2554	* Returns TRUE on success.
2555	*/
2556	int
2557	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2558	{
2559	shstr key_ (key);
2560
2561	return set_ob_key_value_s (op, key_, value, add_key);
2562	}	2410	}
2563		2411
2564	object::depth_iterator::depth_iterator (object *container)	2412	object::depth_iterator::depth_iterator (object *container)
2565	: iterator_base (container)	2413	: iterator_base (container)
2566	{	2414	{
…		…
2616	{	2464	{
2617	char flagdesc[512];	2465	char flagdesc[512];
2618	char info2[256 * 4];	2466	char info2[256 * 4];
2619	char *p = info;	2467	char *p = info;
2620		2468
2621	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",	2469	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2622	count,	2470	count,
2623	uuid.c_str (),	2471	uuid.c_str (),
2624	&name,	2472	&name,
2625	title ? "\",title:\"" : "",	2473	title ? ",title:\"" : "",
2626	title ? (const char *)title : "",	2474	title ? (const char *)title : "",
		2475	title ? "\"" : "",
2627	flag_desc (flagdesc, 512), type);	2476	flag_desc (flagdesc, 512), type);
2628		2477
2629	if (!this->flag[FLAG_REMOVED] && env)	2478	if (!flag[FLAG_REMOVED] && env)
2630	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2479	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2631		2480
2632	if (map)	2481	if (map)
2633	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2482	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2634		2483
…		…
2649	{	2498	{
2650	return map ? map->region (x, y)	2499	return map ? map->region (x, y)
2651	: region::default_region ();	2500	: region::default_region ();
2652	}	2501	}
2653		2502
2654	const materialtype_t *
2655	object::dominant_material () const
2656	{
2657	if (materialtype_t *mt = name_to_material (materialname))
2658	return mt;
2659
2660	return name_to_material (shstr_unknown);
2661	}
2662
2663	void	2503	void
2664	object::open_container (object *new_container)	2504	object::open_container (object *new_container)
2665	{	2505	{
2666	if (container == new_container)	2506	if (container == new_container)
2667	return;	2507	return;
2668		2508
2669	if (object *old_container = container)	2509	object *old_container = container;
		2510
		2511	if (old_container)
2670	{	2512	{
2671	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2513	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2672	return;	2514	return;
2673		2515
2674	#if 0	2516	#if 0
…		…
2676	if (object *closer = old_container->inv)	2518	if (object *closer = old_container->inv)
2677	if (closer->type == CLOSE_CON)	2519	if (closer->type == CLOSE_CON)
2678	closer->destroy ();	2520	closer->destroy ();
2679	#endif	2521	#endif
2680		2522
		2523	// make sure the container is available
		2524	esrv_send_item (this, old_container);
		2525
2681	old_container->flag [FLAG_APPLIED] = 0;	2526	old_container->flag [FLAG_APPLIED] = false;
2682	container = 0;	2527	container = 0;
2683		2528
		2529	// client needs item update to make it work, client bug requires this to be separate
2684	esrv_update_item (UPD_FLAGS, this, old_container);	2530	esrv_update_item (UPD_FLAGS, this, old_container);
		2531
2685	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2532	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2686	play_sound (sound_find ("chest_close"));	2533	play_sound (sound_find ("chest_close"));
2687	}	2534	}
2688		2535
2689	if (new_container)	2536	if (new_container)
2690	{	2537	{
…		…
2694	// TODO: this does not seem to serve any purpose anymore?	2541	// TODO: this does not seem to serve any purpose anymore?
2695	#if 0	2542	#if 0
2696	// insert the "Close Container" object.	2543	// insert the "Close Container" object.
2697	if (archetype *closer = new_container->other_arch)	2544	if (archetype *closer = new_container->other_arch)
2698	{	2545	{
2699	object *closer = arch_to_object (new_container->other_arch);	2546	object *closer = new_container->other_arch->instance ();
2700	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2547	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2701	new_container->insert (closer);	2548	new_container->insert (closer);
2702	}	2549	}
2703	#endif	2550	#endif
2704		2551
2705	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2552	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2706		2553
		2554	// make sure the container is available, client bug requires this to be separate
		2555	esrv_send_item (this, new_container);
		2556
2707	new_container->flag [FLAG_APPLIED] = 1;	2557	new_container->flag [FLAG_APPLIED] = true;
2708	container = new_container;	2558	container = new_container;
2709		2559
		2560	// client needs flag change
2710	esrv_update_item (UPD_FLAGS, this, new_container);	2561	esrv_update_item (UPD_FLAGS, this, new_container);
2711	esrv_send_inventory (this, new_container);	2562	esrv_send_inventory (this, new_container);
2712	play_sound (sound_find ("chest_open"));	2563	play_sound (sound_find ("chest_open"));
2713	}	2564	}
		2565	// else if (!old_container->env && contr && contr->ns)
		2566	// contr->ns->floorbox_reset ();
2714	}	2567	}
2715		2568
2716	object *	2569	object *
2717	object::force_find (const shstr name)	2570	object::force_find (shstr_tmp name)
2718	{	2571	{
2719	/* cycle through his inventory to look for the MARK we want to	2572	/* cycle through his inventory to look for the MARK we want to
2720	* place	2573	* place
2721	*/	2574	*/
2722	for (object *tmp = inv; tmp; tmp = tmp->below)	2575	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2724	return splay (tmp);	2577	return splay (tmp);
2725		2578
2726	return 0;	2579	return 0;
2727	}	2580	}
2728		2581
		2582	//-GPL
		2583
2729	void	2584	void
		2585	object::force_set_timer (int duration)
		2586	{
		2587	this->duration = 1;
		2588	this->speed_left = -1.f;
		2589
		2590	this->set_speed (duration ? 1.f / duration : 0.f);
		2591	}
		2592
		2593	object *
2730	object::force_add (const shstr name, int duration)	2594	object::force_add (shstr_tmp name, int duration)
2731	{	2595	{
2732	if (object *force = force_find (name))	2596	if (object *force = force_find (name))
2733	force->destroy ();	2597	force->destroy ();
2734		2598
2735	object *force = get_archetype (FORCE_NAME);	2599	object *force = get_archetype (FORCE_NAME);
2736		2600
2737	force->slaying = name;	2601	force->slaying = name;
2738	force->stats.food = 1;	2602	force->force_set_timer (duration);
2739	force->speed_left = -1.f;
2740
2741	force->set_speed (duration ? 1.f / duration : 0.f);
2742	force->flag [FLAG_IS_USED_UP] = true;
2743	force->flag [FLAG_APPLIED] = true;	2603	force->flag [FLAG_APPLIED] = true;
2744		2604
2745	insert (force);	2605	return insert (force);
2746	}	2606	}
2747		2607
2748	void	2608	void
2749	object::play_sound (faceidx sound) const	2609	object::play_sound (faceidx sound) const
2750	{	2610	{
2751	if (!sound)	2611	if (!sound)
2752	return;	2612	return;
2753		2613
2754	if (flag [FLAG_REMOVED])	2614	if (is_on_map ())
		2615	map->play_sound (sound, x, y);
		2616	else if (object *pl = in_player ())
		2617	pl->contr->play_sound (sound);
		2618	}
		2619
		2620	void
		2621	object::say_msg (const char *msg) const
		2622	{
		2623	if (is_on_map ())
		2624	map->say_msg (msg, x, y);
		2625	else if (object *pl = in_player ())
		2626	pl->contr->play_sound (sound);
		2627	}
		2628
		2629	void
		2630	object::make_noise ()
		2631	{
		2632	// we do not model noise in the map, so instead put
		2633	// a temporary light into the noise source
		2634	// could use the map instead, but that's less reliable for our
		2635	// goal, which is to make invisibility a bit harder to exploit
		2636
		2637	// currently only works sensibly for players
		2638	if (!is_player ())
2755	return;	2639	return;
2756		2640
2757	if (env)	2641	// find old force, or create new one
2758	{	2642	object *force = force_find (shstr_noise_force);
2759	if (object *pl = in_player ())	2643
2760	pl->contr->play_sound (sound);	2644	if (force)
2761	}	2645	force->speed_left = -1.f; // patch old speed up
2762	else	2646	else
2763	map->play_sound (sound, x, y);	2647	{
2764	}	2648	force = archetype::get (shstr_noise_force);
2765		2649
		2650	force->slaying = shstr_noise_force;
		2651	force->stats.food = 1;
		2652	force->speed_left = -1.f;
		2653
		2654	force->set_speed (1.f / 4.f);
		2655	force->flag [FLAG_IS_USED_UP] = true;
		2656	force->flag [FLAG_APPLIED] = true;
		2657
		2658	insert (force);
		2659	}
		2660	}
		2661
		2662	void object::change_move_type (MoveType mt)
		2663	{
		2664	if (move_type == mt)
		2665	return;
		2666
		2667	if (is_on_map ())
		2668	{
		2669	// we are on the map, so handle move_on/off effects
		2670	remove ();
		2671	move_type = mt;
		2672	map->insert (this, x, y, this);
		2673	}
		2674	else
		2675	move_type = mt;
		2676	}
		2677

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