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Comparing deliantra/server/common/object.C (file contents):
Revision 1.206 by root, Tue Apr 15 14:21:04 2008 UTC vs.
Revision 1.330 by root, Sun Apr 18 14:01:33 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	freelist_item *object::freelist;
		43	uint32_t object::object_count;
		44	uint32_t object::free_count;
		45	uint32_t object::create_count;
		46	uint32_t object::destroy_count;
		47
		48	//+GPL
44		49
45	short freearr_x[SIZEOFFREE] = {	50	short freearr_x[SIZEOFFREE] = {
46	0,	51	0,
47	0, 1, 1, 1, 0, -1, -1, -1,	52	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,	53	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
…		…
52	0,	57	0,
53	-1, -1, 0, 1, 1, 1, 0, -1,	58	-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,	59	-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	60	-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	};	61	};
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] = {	62	int freedir[SIZEOFFREE] = {
64	0,	63	0,
65	1, 2, 3, 4, 5, 6, 7, 8,	64	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,	65	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	66	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	};	67	};
69		68
		69	static int maxfree[SIZEOFFREE] = {
		70	0,
		71	9, 10, 13, 14, 17, 18, 21, 22,
		72	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		73	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		74	};
		75
70	static void	76	static void
71	write_uuid (uval64 skip, bool sync)	77	write_uuid (uval64 skip, bool sync)
72	{	78	{
73	CALL_BEGIN (2);	79	CALL_BEGIN (2);
74	CALL_ARG_SV (newSVval64 (skip));	80	CALL_ARG_SV (newSVval64 (skip));
…		…
76	CALL_CALL ("cf::write_uuid", G_DISCARD);	82	CALL_CALL ("cf::write_uuid", G_DISCARD);
77	CALL_END;	83	CALL_END;
78	}	84	}
79		85
80	static void	86	static void
81	read_uuid (void)	87	read_uuid ()
82	{	88	{
83	char filename[MAX_BUF];	89	char filename[MAX_BUF];
84		90
85	sprintf (filename, "%s/uuid", settings.localdir);	91	sprintf (filename, "%s/uuid", settings.localdir);
86		92
…		…
100		106
101	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	107	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
102	_exit (1);	108	_exit (1);
103	}	109	}
104		110
105	UUID::BUF buf;	111	char buf [UUID::MAX_LEN];
106	buf[0] = 0;	112	buf[0] = 0;
107	fgets (buf, sizeof (buf), fp);	113	fgets (buf, sizeof (buf), fp);
108		114
109	if (!UUID::cur.parse (buf))	115	if (!UUID::cur.parse (buf))
110	{	116	{
…		…
137		143
138	void	144	void
139	UUID::init ()	145	UUID::init ()
140	{	146	{
141	read_uuid ();	147	read_uuid ();
		148	}
		149
		150	bool
		151	UUID::parse (const char *s)
		152	{
		153	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		154	return false;
		155
		156	seq = 0;
		157
		158	while (*s != '>')
		159	{
		160	if (*s < '0')
		161	return false;
		162
		163	// this gives nice branchless code with gcc
		164	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		165	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		166
		167	seq = (seq << 4) | digit;
		168
		169	++s;
		170	}
		171
		172	return true;
		173	}
		174
		175	char *
		176	UUID::append (char *buf) const
		177	{
		178	*buf++ = '<';
		179	*buf++ = '1';
		180	*buf++ = '.';
		181
		182	uint64_t seq = this->seq;
		183	const int bits = 64;
		184	char nz = 0;
		185	static const char tohex [] = "0123456789abcdef";
		186
		187	// assert (len >= 3 + bits / 4 + 1 + 1);
		188	for (int i = bits / 4; --i; )
		189	{
		190	uint8_t digit = seq >> (bits - 4);
		191
		192	*buf = tohex [digit];
		193	nz |= digit;
		194	buf += nz ? 1 : 0;
		195	seq <<= 4;
		196	}
		197
		198	// last digit is special - always emit
		199	uint8_t digit = seq >> (bits - 4);
		200	*buf++ = tohex [digit];
		201
		202	*buf++ = '>';
		203
		204	return buf;
		205	}
		206
		207	char *
		208	UUID::c_str () const
		209	{
		210	static char buf [MAX_LEN];
		211	*append (buf) = 0;
		212	return buf;
142	}	213	}
143		214
144	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	215	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
145	static bool	216	static bool
146	compare_ob_value_lists_one (const object *wants, const object *has)	217	compare_ob_value_lists_one (const object *wants, const object *has)
147	{	218	{
148	key_value *wants_field;
149
150	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	219	/* 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	220	* objects with lists are rare, and lists stay short. If not, use a
152	* different structure or at least keep the lists sorted...	221	* different structure or at least keep the lists sorted...
153	*/	222	*/
154		223
155	/* For each field in wants, */	224	/* For each field in wants, */
156	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	225	for (key_value *kv = wants->key_values; kv; kv = kv->next)
157	{	226	if (has->kv_get (kv->key) != kv->value)
158	key_value *has_field;	227	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)
164	return 0; /* No field with that name. */
165
166	/* Found the matching field. */
167	if (has_field->value != wants_field->value)
168	return 0; /* Values don't match, so this half of the comparison is false. */
169
170	/* If we get here, we found a match. Now for the next field in wants. */
171	}
172		228
173	/* If we get here, every field in wants has a matching field in has. */	229	/* If we get here, every field in wants has a matching field in has. */
174	return 1;	230	return true;
175	}	231	}
176		232
177	/* Returns TRUE if ob1 has the same key_values as ob2. */	233	/* Returns TRUE if ob1 has the same key_values as ob2. */
178	static bool	234	static bool
179	compare_ob_value_lists (const object *ob1, const object *ob2)	235	compare_ob_value_lists (const object *ob1, const object *ob2)
180	{	236	{
181	/* However, there may be fields in has which aren't partnered in wants,	237	/* However, there may be fields in has which aren't partnered in wants,
182	* so we need to run the comparison *twice*. :(	238	* so we need to run the comparison *twice*. :(
183	*/	239	*/
184	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	240	return compare_ob_value_lists_one (ob1, ob2)
		241	&& compare_ob_value_lists_one (ob2, ob1);
185	}	242	}
186		243
187	/* Function examines the 2 objects given to it, and returns true if	244	/* Function examines the 2 objects given to it, and returns true if
188	* they can be merged together.	245	* they can be merged together.
189	*	246	*
…		…
196	* Improvements made with merge: Better checking on potion, and also	253	* Improvements made with merge: Better checking on potion, and also
197	* check weight	254	* check weight
198	*/	255	*/
199	bool object::can_merge_slow (object *ob1, object *ob2)	256	bool object::can_merge_slow (object *ob1, object *ob2)
200	{	257	{
201	/* A couple quicksanity checks */	258	/* A couple quick sanity checks */
202	if (ob1 == ob2	259	if (ob1 == ob2
203	|| ob1->type != ob2->type	260	|| ob1->type != ob2->type
204	|| ob1->speed != ob2->speed
205	|| ob1->value != ob2->value	261	|| ob1->value != ob2->value
206	|| ob1->name != ob2->name)	262	|| ob1->name != ob2->name
		263	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
207	return 0;	264	return 0;
208		265
209	/* Do not merge objects if nrof would overflow. First part checks	266	/* Do not merge objects if nrof would overflow, assume nrof
210	* for unsigned overflow (2c), second part checks wether the result	267	* is always 0 .. 2**31-1 */
211	* would fit into a 32 bit signed int, which is often used to hold	268	if (ob1->nrof > 0x7fffffff - ob2->nrof)
212	* nrof values.
213	*/
214	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
215	return 0;	269	return 0;
216		270
217	/* If the objects have been identified, set the BEEN_APPLIED flag.	271	/* If the objects have been identified, set the BEEN_APPLIED flag.
218	* This is to the comparison of the flags below will be OK. We	272	* This is to the comparison of the flags below will be OK. We
219	* just can't ignore the been applied or identified flags, as they	273	* just can't ignore the been applied or identified flags, as they
220	* are not equal - just if it has been identified, the been_applied	274	* are not equal - just if it has been identified, the been_applied
221	* flags lose any meaning.	275	* flags lose any meaning.
222	*/	276	*/
223	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	277	if (ob1->flag [FLAG_IDENTIFIED])
224	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	278	ob1->set_flag (FLAG_BEEN_APPLIED);
225		279
226	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	280	if (ob2->flag [FLAG_IDENTIFIED])
227	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	281	ob2->set_flag (FLAG_BEEN_APPLIED);
228		282
229	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	283	if (ob1->arch->archname != ob2->arch->archname
230	|| ob1->arch != ob2->arch
231	|| ob1->name != ob2->name	284	|| ob1->name != ob2->name
232	|| ob1->title != ob2->title	285	|| ob1->title != ob2->title
233	|| ob1->msg != ob2->msg	286	|| ob1->msg != ob2->msg
234	|| ob1->weight != ob2->weight	287	|| ob1->weight != ob2->weight
235	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
236	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
237	|| ob1->attacktype != ob2->attacktype	288	|| ob1->attacktype != ob2->attacktype
238	|| ob1->magic != ob2->magic	289	|| ob1->magic != ob2->magic
239	|| ob1->slaying != ob2->slaying	290	|| ob1->slaying != ob2->slaying
240	|| ob1->skill != ob2->skill	291	|| ob1->skill != ob2->skill
241	|| ob1->value != ob2->value	292	|| ob1->value != ob2->value
242	|| ob1->animation_id != ob2->animation_id	293	|| ob1->animation_id != ob2->animation_id
		294	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
243	|| ob1->client_type != ob2->client_type	295	|| ob1->client_type != ob2->client_type
244	|| ob1->materialname != ob2->materialname	296	|| ob1->material != ob2->material
245	|| ob1->lore != ob2->lore	297	|| ob1->lore != ob2->lore
246	|| ob1->subtype != ob2->subtype	298	|| ob1->subtype != ob2->subtype
247	|| ob1->move_type != ob2->move_type	299	|| ob1->move_type != ob2->move_type
248	|| ob1->move_block != ob2->move_block	300	|| ob1->move_block != ob2->move_block
249	|| ob1->move_allow != ob2->move_allow	301	|| ob1->move_allow != ob2->move_allow
250	|| ob1->move_on != ob2->move_on	302	|| ob1->move_on != ob2->move_on
251	|| ob1->move_off != ob2->move_off	303	|| ob1->move_off != ob2->move_off
252	|| ob1->move_slow != ob2->move_slow	304	|| ob1->move_slow != ob2->move_slow
253	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	305	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		306	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		307	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
		308	return 0;
		309
		310	if ((ob1->flag ^ ob2->flag)
		311	.reset (FLAG_INV_LOCKED)
		312	.reset (FLAG_REMOVED)
		313	.any ())
254	return 0;	314	return 0;
255		315
256	/* This is really a spellbook check - we should in general	316	/* This is really a spellbook check - we should in general
257	* not merge objects with real inventories, as splitting them	317	* not merge objects with real inventories, as splitting them
258	* is hard.	318	* is hard.
…		…
275		335
276	/* Don't merge objects that are applied. With the new 'body' code,	336	/* Don't merge objects that are applied. With the new 'body' code,
277	* it is possible for most any character to have more than one of	337	* it is possible for most any character to have more than one of
278	* some items equipped, and we don't want those to merge.	338	* some items equipped, and we don't want those to merge.
279	*/	339	*/
280	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	340	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
281	return 0;	341	return 0;
282		342
283	/* Note sure why the following is the case - either the object has to	343	/* Note sure why the following is the case - either the object has to
284	* be animated or have a very low speed. Is this an attempted monster	344	* be animated or have a very low speed. Is this an attempted monster
285	* check?	345	* check?
286	*/	346	*/
287	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	347	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
288	return 0;	348	return 0;
289		349
290	switch (ob1->type)	350	switch (ob1->type)
291	{	351	{
292	case SCROLL:	352	case SCROLL:
…		…
297		357
298	if (ob1->key_values || ob2->key_values)	358	if (ob1->key_values || ob2->key_values)
299	{	359	{
300	/* At least one of these has key_values. */	360	/* At least one of these has key_values. */
301	if ((!ob1->key_values) != (!ob2->key_values))	361	if ((!ob1->key_values) != (!ob2->key_values))
302	/* One has fields, but the other one doesn't. */	362	return 0; /* One has fields, but the other one doesn't. */
303	return 0;	363
304	else if (!compare_ob_value_lists (ob1, ob2))	364	if (!compare_ob_value_lists (ob1, ob2))
305	return 0;	365	return 0;
306	}	366	}
307		367
308	if (ob1->self || ob2->self)	368	if (ob1->self || ob2->self)
309	{	369	{
…		…
315	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;	375	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
316	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;	376	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
317		377
318	if (k1 != k2)	378	if (k1 != k2)
319	return 0;	379	return 0;
		380
320	else if (k1 == 0)	381	if (k1 == 0)
321	return 1;	382	return 1;
		383
322	else if (!cfperl_can_merge (ob1, ob2))	384	if (!cfperl_can_merge (ob1, ob2))
323	return 0;	385	return 0;
324	}	386	}
325	}	387	}
326		388
327	/* Everything passes, must be OK. */	389	/* Everything passes, must be OK. */
328	return 1;	390	return 1;
329	}	391	}
330		392
		393	// find player who can see this object
		394	object *
		395	object::visible_to () const
		396	{
		397	if (client_visible () && !flag [FLAG_REMOVED])
		398	{
		399	// see if we are in a container of sorts
		400	if (env)
		401	{
		402	// the player inventory itself is always visible
		403	if (env->is_player ())
		404	return env;
		405
		406	// else a player could have our env open
		407	object *envest = env->outer_env_or_self ();
		408
		409	// the player itself is always on a map, so we will find him here
		410	// even if our inv is in a player.
		411	if (envest->is_on_map ())
		412	if (object *pl = envest->ms ().player ())
		413	if (pl->container_ () == env)
		414	return pl;
		415	}
		416	else
		417	{
		418	// maybe there is a player standing on the same mapspace
		419	// this will catch the case where "this" is a player
		420	if (object *pl = ms ().player ())
		421	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		422	|| pl->container_ () == this)
		423	return pl;
		424	}
		425	}
		426
		427	return 0;
		428	}
		429
		430	// adjust weight per container type ("of holding")
		431	static sint32
		432	weight_adjust_for (object *op, sint32 weight)
		433	{
		434	return op->type == CONTAINER
		435	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		436	: weight;
		437	}
		438
331	/*	439	/*
		440	* adjust_weight(object, weight) adds the specified weight to an object,
		441	* and also updates how much the environment(s) is/are carrying.
		442	*/
		443	static void
		444	adjust_weight (object *op, sint32 weight)
		445	{
		446	while (op)
		447	{
		448	// adjust by actual difference to account for rounding errors
		449	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		450	weight = weight_adjust_for (op, op->carrying)
		451	- weight_adjust_for (op, op->carrying - weight);
		452
		453	if (!weight)
		454	return;
		455
		456	op->carrying += weight;
		457
		458	if (object *pl = op->visible_to ())
		459	if (pl != op) // player is handled lazily
		460	esrv_update_item (UPD_WEIGHT, pl, op);
		461
		462	op = op->env;
		463	}
		464	}
		465
		466	/*
332	* sum_weight() is a recursive function which calculates the weight	467	* this is a recursive function which calculates the weight
333	* an object is carrying. It goes through in figures out how much	468	* an object is carrying. It goes through op and figures out how much
334	* containers are carrying, and sums it up.	469	* containers are carrying, and sums it up.
335	*/	470	*/
336	long	471	void
337	sum_weight (object *op)	472	object::update_weight ()
338	{	473	{
339	long sum;	474	sint32 sum = 0;
340	object *inv;
341		475
342	for (sum = 0, inv = op->inv; inv; inv = inv->below)	476	for (object *op = inv; op; op = op->below)
343	{	477	{
344	if (inv->inv)	478	if (op->inv)
345	sum_weight (inv);	479	op->update_weight ();
346		480
347	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	481	sum += op->total_weight ();
		482	}
		483
		484	sum = weight_adjust_for (this, sum);
		485
		486	if (sum != carrying)
348	}	487	{
349
350	if (op->type == CONTAINER && op->stats.Str)
351	sum = (sum * (100 - op->stats.Str)) / 100;
352
353	if (op->carrying != sum)	488	if (carrying != sum)//D
		489	LOG (llevDebug, "updating weight got %ld, expected %ld (%s)\n",
		490	(long long)sum, (long long)carrying, debug_desc ());
		491
354	op->carrying = sum;	492	carrying = sum;
355		493
356	return sum;	494	if (object *pl = visible_to ())
		495	if (pl != this) // player is handled lazily
		496	esrv_update_item (UPD_WEIGHT, pl, this);
		497	}
357	}	498	}
358		499
359	/**	500	/*
360	* Return the outermost environment object for a given object.	501	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
361	*/
362
363	object *
364	object_get_env_recursive (object *op)
365	{
366	while (op->env != NULL)
367	op = op->env;
368	return op;
369	}
370
371	/*
372	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
373	* Some error messages.
374	* The result of the dump is stored in the static global errmsg array.
375	*/	502	*/
376	char *	503	char *
377	dump_object (object *op)	504	dump_object (object *op)
378	{	505	{
379	if (!op)	506	if (!op)
…		…
382	object_freezer freezer;	509	object_freezer freezer;
383	op->write (freezer);	510	op->write (freezer);
384	return freezer.as_string ();	511	return freezer.as_string ();
385	}	512	}
386		513
387	/*	514	char *
388	* get_nearest_part(multi-object, object 2) returns the part of the	515	object::as_string ()
389	* multi-object 1 which is closest to the second object.
390	* If it's not a multi-object, it is returned.
391	*/
392	object *
393	get_nearest_part (object *op, const object *pl)
394	{	516	{
395	object *tmp, *closest;	517	return dump_object (this);
396	int last_dist, i;
397
398	if (op->more == NULL)
399	return op;
400	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
401	if ((i = distance (tmp, pl)) < last_dist)
402	closest = tmp, last_dist = i;
403	return closest;
404	}	518	}
405		519
406	/*	520	/*
407	* Returns the object which has the count-variable equal to the argument.	521	* Returns the object which has the count-variable equal to the argument.
		522	* VERRRY slow.
408	*/	523	*/
409	object *	524	object *
410	find_object (tag_t i)	525	find_object (tag_t i)
411	{	526	{
412	for_all_objects (op)	527	for_all_objects (op)
…		…
415		530
416	return 0;	531	return 0;
417	}	532	}
418		533
419	/*	534	/*
		535	* Returns the object which has the uuid equal to the argument.
		536	* MOAR VERRRY slow.
		537	*/
		538
		539	object *
		540	find_object_uuid (UUID i)
		541	{
		542	for_all_objects (op)
		543	if (op->uuid == i)
		544	return op;
		545
		546	return 0;
		547	}
		548
		549	/*
420	* Returns the first object which has a name equal to the argument.	550	* Returns the first object which has a name equal to the argument.
421	* Used only by the patch command, but not all that useful.	551	* Used only by the patch command, but not all that useful.
422	* Enables features like "patch <name-of-other-player> food 999"	552	* Enables features like "patch <name-of-other-player> food 999"
423	*/	553	*/
424	object *	554	object *
425	find_object_name (const char *str)	555	find_object_name (const char *str)
426	{	556	{
427	shstr_cmp str_ (str);	557	shstr_cmp str_ (str);
428	object *op;
429		558
		559	if (str_)
430	for_all_objects (op)	560	for_all_objects (op)
431	if (op->name == str_)	561	if (op->name == str_)
432	break;	562	return op;
433		563
434	return op;	564	return 0;
435	}	565	}
436		566
437	/*	567	/*
438	* Sets the owner and sets the skill and exp pointers to owner's current	568	* Sets the owner and sets the skill and exp pointers to owner's current
439	* skill and experience objects.	569	* skill and experience objects.
…		…
454	}	584	}
455		585
456	this->owner = owner;	586	this->owner = owner;
457	}	587	}
458		588
459	int
460	object::slottype () const
461	{
462	if (type == SKILL)
463	{
464	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
465	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
466	}
467	else
468	{
469	if (slot [body_combat].info) return slot_combat;
470	if (slot [body_range ].info) return slot_ranged;
471	}
472
473	return slot_none;
474	}
475
476	bool
477	object::change_weapon (object *ob)
478	{
479	if (current_weapon == ob)
480	return true;
481
482	if (chosen_skill)
483	chosen_skill->flag [FLAG_APPLIED] = false;
484
485	current_weapon = ob;
486	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
487
488	if (chosen_skill)
489	chosen_skill->flag [FLAG_APPLIED] = true;
490
491	update_stats ();
492
493	if (ob)
494	{
495	// now check wether any body locations became invalid, in which case
496	// we cannot apply the weapon at the moment.
497	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
498	if (slot[i].used < 0)
499	{
500	current_weapon = chosen_skill = 0;
501	update_stats ();
502
503	new_draw_info_format (NDI_UNIQUE, 0, this,
504	"You try to balance all your items at once, "
505	"but the %s is just too much for your body. "
506	"[You need to unapply some items first.]", &ob->name);
507	return false;
508	}
509
510	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
511	}
512	else
513	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
514
515	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
516	{
517	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
518	&name, ob->debug_desc ());
519	return false;
520	}
521
522	return true;
523	}
524
525	/* Zero the key_values on op, decrementing the shared-string	589	/* Zero the key_values on op, decrementing the shared-string
526	* refcounts and freeing the links.	590	* refcounts and freeing the links.
527	*/	591	*/
528	static void	592	static void
529	free_key_values (object *op)	593	free_key_values (object *op)
…		…
537	}	601	}
538		602
539	op->key_values = 0;	603	op->key_values = 0;
540	}	604	}
541		605
542	object &	606	/*
543	object::operator =(const object &src)	607	* copy_to first frees everything allocated by the dst object,
		608	* and then copies the contents of itself into the second
		609	* object, allocating what needs to be allocated. Basically, any
		610	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		611	* if the first object is freed, the pointers in the new object
		612	* will point at garbage.
		613	*/
		614	void
		615	object::copy_to (object *dst)
544	{	616	{
545	bool is_freed = flag [FLAG_FREED];	617	dst->remove ();
546	bool is_removed = flag [FLAG_REMOVED];
547
548	*(object_copy *)this = src;	618	*(object_copy *)dst = *this;
549
550	flag [FLAG_FREED] = is_freed;
551	flag [FLAG_REMOVED] = is_removed;	619	dst->flag [FLAG_REMOVED] = true;
552		620
553	/* Copy over key_values, if any. */	621	/* Copy over key_values, if any. */
554	if (src.key_values)	622	if (key_values)
555	{	623	{
556	key_value *tail = 0;	624	key_value *tail = 0;
557	key_values = 0;	625	dst->key_values = 0;
558		626
559	for (key_value *i = src.key_values; i; i = i->next)	627	for (key_value *i = key_values; i; i = i->next)
560	{	628	{
561	key_value *new_link = new key_value;	629	key_value *new_link = new key_value;
562		630
563	new_link->next = 0;	631	new_link->next = 0;
564	new_link->key = i->key;	632	new_link->key = i->key;
565	new_link->value = i->value;	633	new_link->value = i->value;
566		634
567	/* Try and be clever here, too. */	635	/* Try and be clever here, too. */
568	if (!key_values)	636	if (!dst->key_values)
569	{	637	{
570	key_values = new_link;	638	dst->key_values = new_link;
571	tail = new_link;	639	tail = new_link;
572	}	640	}
573	else	641	else
574	{	642	{
575	tail->next = new_link;	643	tail->next = new_link;
576	tail = new_link;	644	tail = new_link;
577	}	645	}
578	}	646	}
579	}	647	}
580	}
581		648
582	/*	649	dst->activate ();
583	* copy_to first frees everything allocated by the dst object,
584	* and then copies the contents of itself into the second
585	* object, allocating what needs to be allocated. Basically, any
586	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
587	* if the first object is freed, the pointers in the new object
588	* will point at garbage.
589	*/
590	void
591	object::copy_to (object *dst)
592	{
593	*dst = *this;
594
595	if (speed < 0)
596	dst->speed_left -= rndm ();
597
598	dst->set_speed (dst->speed);
599	}	650	}
600		651
601	void	652	void
602	object::instantiate ()	653	object::instantiate ()
603	{	654	{
604	if (!uuid.seq) // HACK	655	if (!uuid.seq) // HACK
605	uuid = UUID::gen ();	656	uuid = UUID::gen ();
606		657
		658	// TODO: unclean state changes, should nt be done in copy_to AND instantiate
		659	if (flag [FLAG_RANDOM_SPEED] && speed)
		660	speed_left = - speed - rndm (); // TODO animation
		661	else
607	speed_left = -0.1f;	662	speed_left = -1.;
		663
608	/* copy the body_info to the body_used - this is only really	664	/* copy the body_info to the body_used - this is only really
609	* need for monsters, but doesn't hurt to do it for everything.	665	* need for monsters, but doesn't hurt to do it for everything.
610	* by doing so, when a monster is created, it has good starting	666	* by doing so, when a monster is created, it has good starting
611	* values for the body_used info, so when items are created	667	* values for the body_used info, so when items are created
612	* for it, they can be properly equipped.	668	* for it, they can be properly equipped.
…		…
620	object *	676	object *
621	object::clone ()	677	object::clone ()
622	{	678	{
623	object *neu = create ();	679	object *neu = create ();
624	copy_to (neu);	680	copy_to (neu);
		681
		682	// TODO: unclean state changes, should not be done in clone AND instantiate
		683	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		684	neu->speed_left = - neu->speed - rndm (); // TODO animation
		685
		686	neu->map = map; // not copied by copy_to
625	return neu;	687	return neu;
626	}	688	}
627		689
628	/*	690	/*
629	* If an object with the IS_TURNABLE() flag needs to be turned due	691	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
631	* be called to update the face variable, _and_ how it looks on the map.	693	* be called to update the face variable, _and_ how it looks on the map.
632	*/	694	*/
633	void	695	void
634	update_turn_face (object *op)	696	update_turn_face (object *op)
635	{	697	{
636	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	698	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
637	return;	699	return;
638		700
639	SET_ANIMATION (op, op->direction);	701	SET_ANIMATION (op, op->direction);
640	update_object (op, UP_OBJ_FACE);	702	update_object (op, UP_OBJ_FACE);
641	}	703	}
…		…
646	* This function needs to be called whenever the speed of an object changes.	708	* This function needs to be called whenever the speed of an object changes.
647	*/	709	*/
648	void	710	void
649	object::set_speed (float speed)	711	object::set_speed (float speed)
650	{	712	{
651	if (flag [FLAG_FREED] && speed)
652	{
653	LOG (llevError, "Object %s is freed but has speed.\n", &name);
654	speed = 0;
655	}
656
657	this->speed = speed;	713	this->speed = speed;
658		714
659	if (has_active_speed ())	715	if (has_active_speed ())
660	activate ();	716	activate ();
661	else	717	else
…		…
680	* UP_OBJ_FACE: only the objects face has changed.	736	* UP_OBJ_FACE: only the objects face has changed.
681	*/	737	*/
682	void	738	void
683	update_object (object *op, int action)	739	update_object (object *op, int action)
684	{	740	{
685	if (op == NULL)	741	if (!op)
686	{	742	{
687	/* this should never happen */	743	/* this should never happen */
688	LOG (llevDebug, "update_object() called for NULL object.\n");	744	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
689	return;	745	return;
690	}	746	}
691		747
692	if (op->env)	748	if (!op->is_on_map ())
693	{	749	{
694	/* Animation is currently handled by client, so nothing	750	/* Animation is currently handled by client, so nothing
695	* to do in this case.	751	* to do in this case.
696	*/	752	*/
697	return;	753	return;
698	}	754	}
699
700	/* If the map is saving, don't do anything as everything is
701	* going to get freed anyways.
702	*/
703	if (!op->map || op->map->in_memory == MAP_SAVING)
704	return;
705		755
706	/* make sure the object is within map boundaries */	756	/* make sure the object is within map boundaries */
707	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	757	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
708	{	758	{
709	LOG (llevError, "update_object() called for object out of map!\n");	759	LOG (llevError, "update_object() called for object out of map!\n");
…		…
717		767
718	if (!(m.flags_ & P_UPTODATE))	768	if (!(m.flags_ & P_UPTODATE))
719	/* nop */;	769	/* nop */;
720	else if (action == UP_OBJ_INSERT)	770	else if (action == UP_OBJ_INSERT)
721	{	771	{
		772	#if 0
722	// this is likely overkill, TODO: revisit (schmorp)	773	// this is likely overkill, TODO: revisit (schmorp)
723	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	774	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
724	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	775	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
725	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	776	|| (op->is_player () && !(m.flags_ & P_PLAYER))
726	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	777	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
727	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	778	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
728	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	779	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
729	|| (m.move_on | op->move_on ) != m.move_on	780	|| (m.move_on | op->move_on ) != m.move_on
730	|| (m.move_off | op->move_off ) != m.move_off	781	|| (m.move_off | op->move_off ) != m.move_off
731	|| (m.move_slow | op->move_slow) != m.move_slow	782	|| (m.move_slow | op->move_slow) != m.move_slow
732	/* This isn't perfect, but I don't expect a lot of objects to	783	/* This isn't perfect, but I don't expect a lot of objects to
733	* to have move_allow right now.	784	* have move_allow right now.
734	*/	785	*/
735	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	786	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		787	m.invalidate ();
		788	#else
736	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	789	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
737	m.flags_ = 0;	790	m.invalidate ();
		791	#endif
738	}	792	}
739	/* if the object is being removed, we can't make intelligent	793	/* if the object is being removed, we can't make intelligent
740	* decisions, because remove_ob can't really pass the object	794	* decisions, because remove_ob can't really pass the object
741	* that is being removed.	795	* that is being removed.
742	*/	796	*/
743	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	797	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
744	m.flags_ = 0;	798	m.invalidate ();
745	else if (action == UP_OBJ_FACE)	799	else if (action == UP_OBJ_FACE)
746	/* Nothing to do for that case */ ;	800	/* Nothing to do for that case */ ;
747	else	801	else
748	LOG (llevError, "update_object called with invalid action: %d\n", action);	802	LOG (llevError, "update_object called with invalid action: %d\n", action);
749		803
…		…
751	update_object (op->more, action);	805	update_object (op->more, action);
752	}	806	}
753		807
754	object::object ()	808	object::object ()
755	{	809	{
756	SET_FLAG (this, FLAG_REMOVED);	810	this->set_flag (FLAG_REMOVED);
757		811
758	expmul = 1.0;	812	//expmul = 1.0; declared const for the time being
759	face = blank_face;	813	face = blank_face;
		814	material = MATERIAL_NULL;
760	}	815	}
761		816
762	object::~object ()	817	object::~object ()
763	{	818	{
764	unlink ();	819	unlink ();
765		820
766	free_key_values (this);	821	free_key_values (this);
767	}	822	}
768
769	static int object_count;
770		823
771	void object::link ()	824	void object::link ()
772	{	825	{
773	assert (!index);//D	826	assert (!index);//D
774	uuid = UUID::gen ();	827	uuid = UUID::gen ();
775	count = ++object_count;
776		828
777	refcnt_inc ();	829	refcnt_inc ();
778	objects.insert (this);	830	objects.insert (this);
		831
		832	++create_count;
		833
779	}	834	}
780		835
781	void object::unlink ()	836	void object::unlink ()
782	{	837	{
783	if (!index)	838	if (!index)
784	return;	839	return;
		840
		841	++destroy_count;
785		842
786	objects.erase (this);	843	objects.erase (this);
787	refcnt_dec ();	844	refcnt_dec ();
788	}	845	}
789		846
…		…
793	/* If already on active list, don't do anything */	850	/* If already on active list, don't do anything */
794	if (active)	851	if (active)
795	return;	852	return;
796		853
797	if (has_active_speed ())	854	if (has_active_speed ())
		855	{
		856	if (flag [FLAG_FREED])
		857	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		858
798	actives.insert (this);	859	actives.insert (this);
		860	}
799	}	861	}
800		862
801	void	863	void
802	object::activate_recursive ()	864	object::activate_recursive ()
803	{	865	{
…		…
852	object::destroy_inv (bool drop_to_ground)	914	object::destroy_inv (bool drop_to_ground)
853	{	915	{
854	// need to check first, because the checks below might segfault	916	// need to check first, because the checks below might segfault
855	// as we might be on an invalid mapspace and crossfire code	917	// as we might be on an invalid mapspace and crossfire code
856	// is too buggy to ensure that the inventory is empty.	918	// is too buggy to ensure that the inventory is empty.
857	// corollary: if you create arrows etc. with stuff in tis inventory,	919	// corollary: if you create arrows etc. with stuff in its inventory,
858	// cf will crash below with off-map x and y	920	// cf will crash below with off-map x and y
859	if (!inv)	921	if (!inv)
860	return;	922	return;
861		923
862	/* Only if the space blocks everything do we not process -	924	/* Only if the space blocks everything do we not process -
…		…
864	* drop on that space.	926	* drop on that space.
865	*/	927	*/
866	if (!drop_to_ground	928	if (!drop_to_ground
867	|| !map	929	|| !map
868	|| map->in_memory != MAP_ACTIVE	930	|| map->in_memory != MAP_ACTIVE
869	|| map->nodrop	931	|| map->no_drop
870	|| ms ().move_block == MOVE_ALL)	932	|| ms ().move_block == MOVE_ALL)
871	{	933	{
872	while (inv)	934	while (inv)
873	{
874	inv->destroy_inv (drop_to_ground);
875	inv->destroy ();	935	inv->destroy ();
876	}
877	}	936	}
878	else	937	else
879	{ /* Put objects in inventory onto this space */	938	{ /* Put objects in inventory onto this space */
880	while (inv)	939	while (inv)
881	{	940	{
…		…
892	map->insert (op, x, y);	951	map->insert (op, x, y);
893	}	952	}
894	}	953	}
895	}	954	}
896		955
		956	/*
		957	* Remove and free all objects in the inventory of the given object.
		958	* Unlike destroy_inv, this assumes the *this is destroyed as well
		959	* well, so we can (and have to!) take shortcuts.
		960	*/
		961	void
		962	object::destroy_inv_fast ()
		963	{
		964	while (object *op = inv)
		965	{
		966	// remove from object the fast way
		967	op->flag [FLAG_REMOVED] = true;
		968	op->env = 0;
		969	if ((inv = inv->below))
		970	inv->above = 0;
		971
		972	// then destroy
		973	op->destroy ();
		974	}
		975	}
		976
		977	void
		978	object::freelist_free (int count)
		979	{
		980	while (count-- && freelist)
		981	{
		982	freelist_item *next = freelist->next;
		983	// count is being "destroyed"
		984
		985	sfree ((char *)freelist, sizeof (object));
		986
		987	freelist = next;
		988	--free_count;
		989	}
		990	}
		991
		992	object *
897	object *object::create ()	993	object::create ()
898	{	994	{
899	object *op = new object;	995	object *op;
		996
		997	if (freelist)
		998	{
		999	freelist_item li = *freelist;
		1000	memset (freelist, 0, sizeof (object));
		1001
		1002	op = new (freelist) object;
		1003	op->count = li.count;
		1004
		1005	freelist = li.next;
		1006	--free_count;
		1007	}
		1008	else
		1009	{
		1010	void *ni = salloc0<char> (sizeof (object));
		1011
		1012	op = new(ni) object;
		1013
		1014	op->count = ++object_count;
		1015	}
		1016
900	op->link ();	1017	op->link ();
		1018
901	return op;	1019	return op;
902	}	1020	}
903		1021
904	void	1022	void
		1023	object::do_delete ()
		1024	{
		1025	uint32_t count = this->count;
		1026
		1027	this->~object ();
		1028
		1029	freelist_item *li = (freelist_item *)this;
		1030	li->next = freelist;
		1031	li->count = count;
		1032
		1033	freelist = li;
		1034	++free_count;
		1035	}
		1036
		1037	static struct freed_map : maptile
		1038	{
		1039	freed_map ()
		1040	: maptile (3, 3)
		1041	{
		1042	path = "<freed objects map>";
		1043	name = "/internal/freed_objects_map";
		1044	no_drop = 1;
		1045	no_reset = 1;
		1046
		1047	in_memory = MAP_ACTIVE;
		1048	}
		1049
		1050	~freed_map ()
		1051	{
		1052	destroy ();
		1053	}
		1054	} freed_map; // freed objects are moved here to avoid crashes
		1055
		1056	void
905	object::do_destroy ()	1057	object::do_destroy ()
906	{	1058	{
907	attachable::do_destroy ();
908
909	if (flag [FLAG_IS_LINKED])	1059	if (flag [FLAG_IS_LINKED])
910	remove_button_link (this);	1060	remove_link ();
911		1061
912	if (flag [FLAG_FRIENDLY])	1062	if (flag [FLAG_FRIENDLY])
913	remove_friendly_object (this);	1063	remove_friendly_object (this);
914		1064
915	if (!flag [FLAG_REMOVED])
916	remove ();	1065	remove ();
917		1066
918	destroy_inv (true);	1067	attachable::do_destroy ();
919		1068
920	deactivate ();	1069	deactivate ();
921	unlink ();	1070	unlink ();
922		1071
923	flag [FLAG_FREED] = 1;	1072	flag [FLAG_FREED] = 1;
924		1073
925	// hack to ensure that freed objects still have a valid map	1074	// hack to ensure that freed objects still have a valid map
926	{
927	static maptile *freed_map; // freed objects are moved here to avoid crashes
928
929	if (!freed_map)
930	{
931	freed_map = new maptile;
932
933	freed_map->path = "<freed objects map>";
934	freed_map->name = "/internal/freed_objects_map";
935	freed_map->width = 3;
936	freed_map->height = 3;
937	freed_map->nodrop = 1;
938
939	freed_map->alloc ();
940	freed_map->in_memory = MAP_ACTIVE;
941	}
942
943	map = freed_map;	1075	map = &freed_map;
944	x = 1;	1076	x = 1;
945	y = 1;	1077	y = 1;
946	}
947		1078
948	if (more)	1079	if (more)
949	{	1080	{
950	more->destroy ();	1081	more->destroy ();
951	more = 0;	1082	more = 0;
…		…
959	attacked_by = 0;	1090	attacked_by = 0;
960	current_weapon = 0;	1091	current_weapon = 0;
961	}	1092	}
962		1093
963	void	1094	void
964	object::destroy (bool destroy_inventory)	1095	object::destroy ()
965	{	1096	{
966	if (destroyed ())	1097	if (destroyed ())
967	return;	1098	return;
968		1099
969	if (destroy_inventory)	1100	if (!is_head () && !head->destroyed ())
		1101	{
		1102	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1103	head->destroy ();
		1104	return;
		1105	}
		1106
970	destroy_inv (false);	1107	destroy_inv_fast ();
971		1108
972	if (is_head ())	1109	if (is_head ())
973	if (sound_destroy)	1110	if (sound_destroy)
974	play_sound (sound_destroy);	1111	play_sound (sound_destroy);
975	else if (flag [FLAG_MONSTER])	1112	else if (flag [FLAG_MONSTER])
976	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism	1113	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
977		1114
978	attachable::destroy ();	1115	attachable::destroy ();
979	}
980
981	/*
982	* sub_weight() recursively (outwards) subtracts a number from the
983	* weight of an object (and what is carried by it's environment(s)).
984	*/
985	void
986	sub_weight (object *op, signed long weight)
987	{
988	while (op != NULL)
989	{
990	if (op->type == CONTAINER)
991	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
992
993	op->carrying -= weight;
994	op = op->env;
995	}
996	}	1116	}
997		1117
998	/* op->remove ():	1118	/* op->remove ():
999	* This function removes the object op from the linked list of objects	1119	* This function removes the object op from the linked list of objects
1000	* which it is currently tied to. When this function is done, the	1120	* which it is currently tied to. When this function is done, the
…		…
1003	* the previous environment.	1123	* the previous environment.
1004	*/	1124	*/
1005	void	1125	void
1006	object::do_remove ()	1126	object::do_remove ()
1007	{	1127	{
1008	object *tmp, *last = 0;	1128	if (flag [FLAG_REMOVED])
1009	object *otmp;
1010
1011	if (QUERY_FLAG (this, FLAG_REMOVED))
1012	return;	1129	return;
1013		1130
1014	SET_FLAG (this, FLAG_REMOVED);
1015	INVOKE_OBJECT (REMOVE, this);	1131	INVOKE_OBJECT (REMOVE, this);
		1132
		1133	flag [FLAG_REMOVED] = true;
1016		1134
1017	if (more)	1135	if (more)
1018	more->remove ();	1136	more->remove ();
1019		1137
1020	/*	1138	/*
1021	* In this case, the object to be removed is in someones	1139	* In this case, the object to be removed is in someones
1022	* inventory.	1140	* inventory.
1023	*/	1141	*/
1024	if (env)	1142	if (env)
1025	{	1143	{
1026	if (nrof)	1144	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1027	sub_weight (env, weight * nrof);	1145	if (object *pl = visible_to ())
1028	else	1146	esrv_del_item (pl->contr, count);
1029	sub_weight (env, weight + carrying);	1147	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1030		1148
1031	/* NO_FIX_PLAYER is set when a great many changes are being	1149	adjust_weight (env, -total_weight ());
1032	* made to players inventory. If set, avoiding the call
1033	* to save cpu time.
1034	*/
1035	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1036	otmp->update_stats ();
1037		1150
1038	if (above)	1151	object *pl = in_player ();
1039	above->below = below;
1040	else
1041	env->inv = below;
1042
1043	if (below)
1044	below->above = above;
1045		1152
1046	/* we set up values so that it could be inserted into	1153	/* we set up values so that it could be inserted into
1047	* the map, but we don't actually do that - it is up	1154	* the map, but we don't actually do that - it is up
1048	* to the caller to decide what we want to do.	1155	* to the caller to decide what we want to do.
1049	*/	1156	*/
1050	x = env->x, y = env->y;
1051	map = env->map;	1157	map = env->map;
1052	above = 0, below = 0;	1158	x = env->x;
		1159	y = env->y;
		1160
		1161	// make sure cmov optimisation is applicable
		1162	*(above ? &above->below : &env->inv) = below;
		1163	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1164
		1165	above = 0;
		1166	below = 0;
1053	env = 0;	1167	env = 0;
		1168
		1169	if (pl && pl->is_player ())
		1170	{
		1171	if (expect_false (pl->contr->combat_ob == this))
		1172	{
		1173	pl->apply (pl->contr->combat_ob, AP_UNAPPLY);
		1174	pl->contr->combat_ob = 0;
		1175	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1176	}
		1177
		1178	if (expect_false (pl->contr->ranged_ob == this))
		1179	{
		1180	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY);
		1181	pl->contr->ranged_ob = 0;
		1182	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1183	}
		1184
		1185	pl->contr->queue_stats_update ();
		1186
		1187	if (expect_false (glow_radius) && pl->is_on_map ())
		1188	update_all_los (pl->map, pl->x, pl->y);
		1189	}
1054	}	1190	}
1055	else if (map)	1191	else if (map)
1056	{	1192	{
1057	if (type == PLAYER)
1058	{
1059	// leaving a spot always closes any open container on the ground
1060	if (container && !container->env)
1061	// this causes spurious floorbox updates, but it ensures
1062	// that the CLOSE event is being sent.
1063	close_container ();
1064
1065	--map->players;
1066	map->touch ();
1067	}
1068
1069	map->dirty = true;	1193	map->dirty = true;
1070	mapspace &ms = this->ms ();	1194	mapspace &ms = this->ms ();
1071		1195
		1196	if (object *pl = ms.player ())
		1197	{
		1198	if (is_player ())
		1199	{
		1200	if (!flag [FLAG_WIZPASS])
		1201	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1202
		1203	// leaving a spot always closes any open container on the ground
		1204	if (container && !container->env)
		1205	// this causes spurious floorbox updates, but it ensures
		1206	// that the CLOSE event is being sent.
		1207	close_container ();
		1208
		1209	--map->players;
		1210	map->touch ();
		1211	}
		1212	else if (pl->container_ () == this)
		1213	{
		1214	// removing a container should close it
		1215	close_container ();
		1216	}
		1217	else
		1218	esrv_del_item (pl->contr, count);
		1219	}
		1220
1072	/* link the object above us */	1221	/* link the object above us */
1073	if (above)	1222	// re-link, make sure compiler can easily use cmove
1074	above->below = below;	1223	*(above ? &above->below : &ms.top) = below;
1075	else	1224	*(below ? &below->above : &ms.bot) = above;
1076	ms.top = below; /* we were top, set new top */
1077
1078	/* Relink the object below us, if there is one */
1079	if (below)
1080	below->above = above;
1081	else
1082	{
1083	/* Nothing below, which means we need to relink map object for this space
1084	* use translated coordinates in case some oddness with map tiling is
1085	* evident
1086	*/
1087	if (GET_MAP_OB (map, x, y) != this)
1088	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 ());
1089
1090	ms.bot = above; /* goes on above it. */
1091	}
1092		1225
1093	above = 0;	1226	above = 0;
1094	below = 0;	1227	below = 0;
1095		1228
		1229	ms.invalidate ();
		1230
1096	if (map->in_memory == MAP_SAVING)	1231	if (map->in_memory == MAP_SAVING)
1097	return;	1232	return;
1098		1233
1099	int check_walk_off = !flag [FLAG_NO_APPLY];	1234	int check_walk_off = !flag [FLAG_NO_APPLY];
1100		1235
1101	if (object *pl = ms.player ())	1236	if (object *pl = ms.player ())
1102	{	1237	{
1103	if (pl->container == this)	1238	if (pl->container_ () == this)
1104	/* If a container that the player is currently using somehow gets	1239	/* If a container that the player is currently using somehow gets
1105	* removed (most likely destroyed), update the player view	1240	* removed (most likely destroyed), update the player view
1106	* appropriately.	1241	* appropriately.
1107	*/	1242	*/
1108	pl->close_container ();	1243	pl->close_container ();
1109		1244
		1245	//TODO: the floorbox prev/next might need updating
		1246	//esrv_del_item (pl->contr, count);
		1247	//TODO: update floorbox to preserve ordering
		1248	if (pl->contr->ns)
1110	pl->contr->ns->floorbox_update ();	1249	pl->contr->ns->floorbox_update ();
1111	}	1250	}
1112		1251
		1252	if (check_walk_off)
1113	for (tmp = ms.bot; tmp; tmp = tmp->above)	1253	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1114	{	1254	{
		1255	above = tmp->above;
		1256
1115	/* No point updating the players look faces if he is the object	1257	/* No point updating the players look faces if he is the object
1116	* being removed.	1258	* being removed.
1117	*/	1259	*/
1118		1260
1119	/* See if object moving off should effect something */	1261	/* See if object moving off should effect something */
1120	if (check_walk_off
1121	&& ((move_type & tmp->move_off)	1262	if ((move_type & tmp->move_off)
1122	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1263	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1123	{
1124	move_apply (tmp, this, 0);	1264	move_apply (tmp, this, 0);
1125
1126	if (destroyed ())
1127	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1128	}	1265	}
1129		1266
1130	last = tmp;	1267	if (affects_los ())
1131	}
1132
1133	/* last == NULL if there are no objects on this space */
1134	//TODO: this makes little sense, why only update the topmost object?
1135	if (!last)
1136	map->at (x, y).flags_ = 0;
1137	else
1138	update_object (last, UP_OBJ_REMOVE);
1139
1140	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1141	update_all_los (map, x, y);	1268	update_all_los (map, x, y);
1142	}	1269	}
1143	}	1270	}
1144		1271
1145	/*	1272	/*
…		…
1159	if (!top)	1286	if (!top)
1160	for (top = op; top && top->above; top = top->above)	1287	for (top = op; top && top->above; top = top->above)
1161	;	1288	;
1162		1289
1163	for (; top; top = top->below)	1290	for (; top; top = top->below)
1164	{
1165	if (top == op)
1166	continue;
1167
1168	if (object::can_merge (op, top))	1291	if (object::can_merge (op, top))
1169	{	1292	{
1170	top->nrof += op->nrof;	1293	top->nrof += op->nrof;
1171		1294
1172	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1295	if (object *pl = top->visible_to ())
1173	op->weight = 0; /* Don't want any adjustements now */	1296	esrv_update_item (UPD_NROF, pl, top);
		1297
		1298	op->weight = 0; // cancel the addition above
		1299	op->carrying = 0; // must be 0 already
		1300
1174	op->destroy ();	1301	op->destroy ();
		1302
1175	return top;	1303	return top;
1176	}	1304	}
1177	}
1178		1305
1179	return 0;	1306	return 0;
1180	}	1307	}
1181		1308
1182	void	1309	void
…		…
1187		1314
1188	object *prev = this;	1315	object *prev = this;
1189		1316
1190	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1317	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1191	{	1318	{
1192	object *op = arch_to_object (at);	1319	object *op = at->instance ();
1193		1320
1194	op->name = name;	1321	op->name = name;
1195	op->name_pl = name_pl;	1322	op->name_pl = name_pl;
1196	op->title = title;	1323	op->title = title;
1197		1324
…		…
1207	* job preparing multi-part monsters.	1334	* job preparing multi-part monsters.
1208	*/	1335	*/
1209	object *	1336	object *
1210	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1337	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1211	{	1338	{
		1339	op->remove ();
		1340
1212	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1341	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1213	{	1342	{
1214	tmp->x = x + tmp->arch->x;	1343	tmp->x = x + tmp->arch->x;
1215	tmp->y = y + tmp->arch->y;	1344	tmp->y = y + tmp->arch->y;
1216	}	1345	}
…		…
1233	* Passing 0 for flag gives proper default values, so flag really only needs	1362	* Passing 0 for flag gives proper default values, so flag really only needs
1234	* to be set if special handling is needed.	1363	* to be set if special handling is needed.
1235	*	1364	*
1236	* Return value:	1365	* Return value:
1237	* new object if 'op' was merged with other object	1366	* new object if 'op' was merged with other object
1238	* NULL if 'op' was destroyed	1367	* NULL if there was an error (destroyed, blocked etc.)
1239	* just 'op' otherwise	1368	* just 'op' otherwise
1240	*/	1369	*/
1241	object *	1370	object *
1242	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1371	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1243	{	1372	{
1244	assert (!op->flag [FLAG_FREED]);
1245
1246	object *top, *floor = NULL;
1247
1248	op->remove ();	1373	op->remove ();
		1374
		1375	if (m == &freed_map)//D TODO: remove soon
		1376	{//D
		1377	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
		1378	}//D
1249		1379
1250	/* Ideally, the caller figures this out. However, it complicates a lot	1380	/* Ideally, the caller figures this out. However, it complicates a lot
1251	* of areas of callers (eg, anything that uses find_free_spot would now	1381	* of areas of callers (eg, anything that uses find_free_spot would now
1252	* need extra work	1382	* need extra work
1253	*/	1383	*/
		1384	maptile *newmap = m;
1254	if (!xy_normalise (m, op->x, op->y))	1385	if (!xy_normalise (newmap, op->x, op->y))
1255	{	1386	{
1256	op->destroy ();	1387	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1257	return 0;	1388	return 0;
1258	}	1389	}
1259		1390
1260	if (object *more = op->more)	1391	if (object *more = op->more)
1261	if (!insert_ob_in_map (more, m, originator, flag))	1392	if (!insert_ob_in_map (more, m, originator, flag))
1262	return 0;	1393	return 0;
1263		1394
1264	CLEAR_FLAG (op, FLAG_REMOVED);	1395	op->flag [FLAG_REMOVED] = false;
1265		1396	op->env = 0;
1266	op->map = m;	1397	op->map = newmap;
		1398
1267	mapspace &ms = op->ms ();	1399	mapspace &ms = op->ms ();
1268		1400
1269	/* this has to be done after we translate the coordinates.	1401	/* this has to be done after we translate the coordinates.
1270	*/	1402	*/
1271	if (op->nrof && !(flag & INS_NO_MERGE))	1403	if (op->nrof && !(flag & INS_NO_MERGE))
1272	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1404	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1273	if (object::can_merge (op, tmp))	1405	if (object::can_merge (op, tmp))
1274	{	1406	{
		1407	// TODO: we actually want to update tmp, not op,
		1408	// but some caller surely breaks when we return tmp
		1409	// from here :/
1275	op->nrof += tmp->nrof;	1410	op->nrof += tmp->nrof;
1276	tmp->destroy ();	1411	tmp->destroy ();
1277	}	1412	}
1278		1413
1279	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1414	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1280	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1415	op->clr_flag (FLAG_INV_LOCKED);
1281		1416
1282	if (!QUERY_FLAG (op, FLAG_ALIVE))	1417	if (!op->flag [FLAG_ALIVE])
1283	CLEAR_FLAG (op, FLAG_NO_STEAL);	1418	op->clr_flag (FLAG_NO_STEAL);
1284		1419
1285	if (flag & INS_BELOW_ORIGINATOR)	1420	if (flag & INS_BELOW_ORIGINATOR)
1286	{	1421	{
1287	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1422	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1288	{	1423	{
1289	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1424	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1290	abort ();	1425	abort ();
1291	}	1426	}
1292		1427
		1428	if (!originator->is_on_map ())
		1429	{
		1430	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1431	op->debug_desc (), originator->debug_desc ());
		1432	abort ();
		1433	}
		1434
1293	op->above = originator;	1435	op->above = originator;
1294	op->below = originator->below;	1436	op->below = originator->below;
1295
1296	if (op->below)
1297	op->below->above = op;
1298	else
1299	ms.bot = op;
1300
1301	/* since *below* originator, no need to update top */
1302	originator->below = op;	1437	originator->below = op;
		1438
		1439	*(op->below ? &op->below->above : &ms.bot) = op;
1303	}	1440	}
1304	else	1441	else
1305	{	1442	{
1306	top = ms.bot;	1443	object *floor = 0;
		1444	object *top = ms.top;
1307		1445
1308	/* If there are other objects, then */	1446	/* If there are other objects, then */
1309	if (top)	1447	if (top)
1310	{	1448	{
1311	object *last = 0;
1312
1313	/*	1449	/*
1314	* If there are multiple objects on this space, we do some trickier handling.	1450	* If there are multiple objects on this space, we do some trickier handling.
1315	* We've already dealt with merging if appropriate.	1451	* We've already dealt with merging if appropriate.
1316	* Generally, we want to put the new object on top. But if	1452	* Generally, we want to put the new object on top. But if
1317	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1453	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1320	* once we get to them. This reduces the need to traverse over all of	1456	* once we get to them. This reduces the need to traverse over all of
1321	* them when adding another one - this saves quite a bit of cpu time	1457	* them when adding another one - this saves quite a bit of cpu time
1322	* when lots of spells are cast in one area. Currently, it is presumed	1458	* when lots of spells are cast in one area. Currently, it is presumed
1323	* that flying non pickable objects are spell objects.	1459	* that flying non pickable objects are spell objects.
1324	*/	1460	*/
1325	for (top = ms.bot; top; top = top->above)	1461	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1326	{	1462	{
1327	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1463	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1328	floor = top;	1464	floor = tmp;
1329		1465
1330	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1466	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1331	{	1467	{
1332	/* We insert above top, so we want this object below this */	1468	/* We insert above top, so we want this object below this */
1333	top = top->below;	1469	top = tmp->below;
1334	break;	1470	break;
1335	}	1471	}
1336		1472
1337	last = top;	1473	top = tmp;
1338	}	1474	}
1339
1340	/* Don't want top to be NULL, so set it to the last valid object */
1341	top = last;
1342		1475
1343	/* We let update_position deal with figuring out what the space	1476	/* We let update_position deal with figuring out what the space
1344	* looks like instead of lots of conditions here.	1477	* looks like instead of lots of conditions here.
1345	* makes things faster, and effectively the same result.	1478	* makes things faster, and effectively the same result.
1346	*/	1479	*/
…		…
1353	*/	1486	*/
1354	if (!(flag & INS_ON_TOP)	1487	if (!(flag & INS_ON_TOP)
1355	&& ms.flags () & P_BLOCKSVIEW	1488	&& ms.flags () & P_BLOCKSVIEW
1356	&& (op->face && !faces [op->face].visibility))	1489	&& (op->face && !faces [op->face].visibility))
1357	{	1490	{
		1491	object *last;
		1492
1358	for (last = top; last != floor; last = last->below)	1493	for (last = top; last != floor; last = last->below)
1359	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1494	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1360	break;	1495	break;
1361		1496
1362	/* Check to see if we found the object that blocks view,	1497	/* Check to see if we found the object that blocks view,
1363	* and make sure we have a below pointer for it so that	1498	* and make sure we have a below pointer for it so that
1364	* we can get inserted below this one, which requires we	1499	* we can get inserted below this one, which requires we
…		…
1370	} /* If objects on this space */	1505	} /* If objects on this space */
1371		1506
1372	if (flag & INS_ABOVE_FLOOR_ONLY)	1507	if (flag & INS_ABOVE_FLOOR_ONLY)
1373	top = floor;	1508	top = floor;
1374		1509
1375	/* Top is the object that our object (op) is going to get inserted above.	1510	// insert object above top, or bottom-most if top = 0
1376	*/
1377
1378	/* First object on this space */
1379	if (!top)	1511	if (!top)
1380	{	1512	{
		1513	op->below = 0;
1381	op->above = ms.bot;	1514	op->above = ms.bot;
1382
1383	if (op->above)
1384	op->above->below = op;
1385
1386	op->below = 0;
1387	ms.bot = op;	1515	ms.bot = op;
		1516
		1517	*(op->above ? &op->above->below : &ms.top) = op;
1388	}	1518	}
1389	else	1519	else
1390	{ /* get inserted into the stack above top */	1520	{
1391	op->above = top->above;	1521	op->above = top->above;
1392
1393	if (op->above)
1394	op->above->below = op;	1522	top->above = op;
1395		1523
1396	op->below = top;	1524	op->below = top;
1397	top->above = op;	1525	*(op->above ? &op->above->below : &ms.top) = op;
1398	}	1526	}
		1527	}
1399		1528
1400	if (!op->above)	1529	if (op->is_player ())
1401	ms.top = op;
1402	} /* else not INS_BELOW_ORIGINATOR */
1403
1404	if (op->type == PLAYER)
1405	{	1530	{
1406	op->contr->do_los = 1;	1531	op->contr->do_los = 1;
1407	++op->map->players;	1532	++op->map->players;
1408	op->map->touch ();	1533	op->map->touch ();
1409	}	1534	}
1410		1535
1411	op->map->dirty = true;	1536	op->map->dirty = true;
1412		1537
1413	if (object *pl = ms.player ())	1538	if (object *pl = ms.player ())
		1539	//TODO: the floorbox prev/next might need updating
		1540	//esrv_send_item (pl, op);
		1541	//TODO: update floorbox to preserve ordering
		1542	if (pl->contr->ns)
1414	pl->contr->ns->floorbox_update ();	1543	pl->contr->ns->floorbox_update ();
1415		1544
1416	/* If this object glows, it may affect lighting conditions that are	1545	/* If this object glows, it may affect lighting conditions that are
1417	* visible to others on this map. But update_all_los is really	1546	* visible to others on this map. But update_all_los is really
1418	* an inefficient way to do this, as it means los for all players	1547	* an inefficient way to do this, as it means los for all players
1419	* on the map will get recalculated. The players could very well	1548	* on the map will get recalculated. The players could very well
1420	* be far away from this change and not affected in any way -	1549	* be far away from this change and not affected in any way -
1421	* this should get redone to only look for players within range,	1550	* this should get redone to only look for players within range,
1422	* or just updating the P_UPTODATE for spaces within this area	1551	* or just updating the P_UPTODATE for spaces within this area
1423	* of effect may be sufficient.	1552	* of effect may be sufficient.
1424	*/	1553	*/
1425	if (op->map->darkness && (op->glow_radius != 0))	1554	if (op->affects_los ())
		1555	{
		1556	op->ms ().invalidate ();
1426	update_all_los (op->map, op->x, op->y);	1557	update_all_los (op->map, op->x, op->y);
		1558	}
1427		1559
1428	/* updates flags (blocked, alive, no magic, etc) for this map space */	1560	/* updates flags (blocked, alive, no magic, etc) for this map space */
1429	update_object (op, UP_OBJ_INSERT);	1561	update_object (op, UP_OBJ_INSERT);
1430		1562
1431	INVOKE_OBJECT (INSERT, op);	1563	INVOKE_OBJECT (INSERT, op);
…		…
1438	* blocked() and wall() work properly), and these flags are updated by	1570	* blocked() and wall() work properly), and these flags are updated by
1439	* update_object().	1571	* update_object().
1440	*/	1572	*/
1441		1573
1442	/* if this is not the head or flag has been passed, don't check walk on status */	1574	/* if this is not the head or flag has been passed, don't check walk on status */
1443	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1575	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1444	{	1576	{
1445	if (check_move_on (op, originator))	1577	if (check_move_on (op, originator))
1446	return 0;	1578	return 0;
1447		1579
1448	/* If we are a multi part object, lets work our way through the check	1580	/* If we are a multi part object, lets work our way through the check
…		…
1459	/* this function inserts an object in the map, but if it	1591	/* this function inserts an object in the map, but if it
1460	* finds an object of its own type, it'll remove that one first.	1592	* finds an object of its own type, it'll remove that one first.
1461	* op is the object to insert it under: supplies x and the map.	1593	* op is the object to insert it under: supplies x and the map.
1462	*/	1594	*/
1463	void	1595	void
1464	replace_insert_ob_in_map (const char *arch_string, object *op)	1596	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1465	{	1597	{
1466	object *tmp, *tmp1;
1467
1468	/* first search for itself and remove any old instances */	1598	/* first search for itself and remove any old instances */
1469		1599
1470	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1600	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1471	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1601	if (tmp->arch->archname == archname) /* same archetype */
1472	tmp->destroy ();	1602	tmp->destroy ();
1473		1603
1474	tmp1 = arch_to_object (archetype::find (arch_string));	1604	object *tmp = archetype::find (archname)->instance ();
1475		1605
1476	tmp1->x = op->x;	1606	tmp->x = op->x;
1477	tmp1->y = op->y;	1607	tmp->y = op->y;
		1608
1478	insert_ob_in_map (tmp1, op->map, op, 0);	1609	insert_ob_in_map (tmp, op->map, op, 0);
1479	}	1610	}
1480		1611
1481	object *	1612	object *
1482	object::insert_at (object *where, object *originator, int flags)	1613	object::insert_at (object *where, object *originator, int flags)
1483	{	1614	{
…		…
1485	return where->env->insert (this);	1616	return where->env->insert (this);
1486	else	1617	else
1487	return where->map->insert (this, where->x, where->y, originator, flags);	1618	return where->map->insert (this, where->x, where->y, originator, flags);
1488	}	1619	}
1489		1620
1490	/*	1621	// check whether we can put this into the map, respect max_volume, max_items
1491	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1622	bool
1492	* is returned contains nr objects, and the remaining parts contains	1623	object::can_drop_at (maptile *m, int x, int y, object *originator)
1493	* the rest (or is removed and freed if that number is 0).
1494	* On failure, NULL is returned, and the reason put into the
1495	* global static errmsg array.
1496	*/
1497	object *
1498	get_split_ob (object *orig_ob, uint32 nr)
1499	{	1624	{
1500	object *newob;	1625	mapspace &ms = m->at (x, y);
1501	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1502		1626
1503	if (orig_ob->nrof < nr)	1627	int items = ms.items ();
1504	{
1505	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1506	return NULL;
1507	}
1508		1628
1509	newob = object_create_clone (orig_ob);	1629	if (!items // testing !items ensures we can drop at least one item
		1630	|| (items < m->max_items
		1631	&& ms.volume () < m->max_volume))
		1632	return true;
1510		1633
1511	if ((orig_ob->nrof -= nr) < 1)	1634	if (originator && originator->is_player ())
1512	orig_ob->destroy (1);	1635	originator->contr->failmsgf (
1513	else if (!is_removed)	1636	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1514	{	1637	query_name ()
1515	if (orig_ob->env != NULL)	1638	);
1516	sub_weight (orig_ob->env, orig_ob->weight * nr);
1517	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_ACTIVE)
1518	{
1519	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1520	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1521	return NULL;
1522	}
1523	}
1524		1639
1525	newob->nrof = nr;	1640	return false;
1526
1527	return newob;
1528	}	1641	}
1529		1642
1530	/*	1643	/*
1531	* decrease_ob_nr(object, number) decreases a specified number from	1644	* decrease(object, number) decreases a specified number from
1532	* the amount of an object. If the amount reaches 0, the object	1645	* the amount of an object. If the amount reaches 0, the object
1533	* is subsequently removed and freed.	1646	* is subsequently removed and freed.
1534	*	1647	*
1535	* Return value: 'op' if something is left, NULL if the amount reached 0	1648	* Return value: 'op' if something is left, NULL if the amount reached 0
1536	*/	1649	*/
		1650	bool
		1651	object::decrease (sint32 nr)
		1652	{
		1653	if (!nr)
		1654	return true;
		1655
		1656	nr = min (nr, nrof);
		1657
		1658	if (nrof > nr)
		1659	{
		1660	nrof -= nr;
		1661	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1662
		1663	if (object *pl = visible_to ())
		1664	esrv_update_item (UPD_NROF, pl, this);
		1665
		1666	return true;
		1667	}
		1668	else
		1669	{
		1670	destroy ();
		1671	return false;
		1672	}
		1673	}
		1674
		1675	/*
		1676	* split(ob,nr) splits up ob into two parts. The part which
		1677	* is returned contains nr objects, and the remaining parts contains
		1678	* the rest (or is removed and returned if that number is 0).
		1679	* On failure, NULL is returned.
		1680	*/
1537	object *	1681	object *
1538	decrease_ob_nr (object *op, uint32 i)	1682	object::split (sint32 nr)
1539	{	1683	{
1540	object *tmp;	1684	int have = number_of ();
1541		1685
1542	if (i == 0) /* objects with op->nrof require this check */	1686	if (have < nr)
1543	return op;	1687	return 0;
1544		1688	else if (have == nr)
1545	if (i > op->nrof)
1546	i = op->nrof;
1547
1548	if (QUERY_FLAG (op, FLAG_REMOVED))
1549	op->nrof -= i;
1550	else if (op->env)
1551	{	1689	{
1552	/* is this object in the players inventory, or sub container
1553	* therein?
1554	*/
1555	tmp = op->in_player ();
1556	/* nope. Is this a container the player has opened?
1557	* If so, set tmp to that player.
1558	* IMO, searching through all the players will mostly
1559	* likely be quicker than following op->env to the map,
1560	* and then searching the map for a player.
1561	*/
1562	if (!tmp)
1563	for_all_players (pl)
1564	if (pl->ob->container == op->env)
1565	{
1566	tmp = pl->ob;
1567	break;
1568	}
1569
1570	if (i < op->nrof)
1571	{
1572	sub_weight (op->env, op->weight * i);
1573	op->nrof -= i;
1574	if (tmp)
1575	esrv_send_item (tmp, op);
1576	}
1577	else
1578	{
1579	op->remove ();	1690	remove ();
1580	op->nrof = 0;	1691	return this;
1581	if (tmp)
1582	esrv_del_item (tmp->contr, op->count);
1583	}
1584	}	1692	}
1585	else	1693	else
1586	{	1694	{
1587	object *above = op->above;	1695	decrease (nr);
1588		1696
1589	if (i < op->nrof)	1697	object *op = deep_clone ();
1590	op->nrof -= i;	1698	op->nrof = nr;
1591	else
1592	{
1593	op->remove ();
1594	op->nrof = 0;
1595	}
1596
1597	/* Since we just removed op, op->above is null */
1598	for (tmp = above; tmp; tmp = tmp->above)
1599	if (tmp->type == PLAYER)
1600	{
1601	if (op->nrof)
1602	esrv_send_item (tmp, op);
1603	else
1604	esrv_del_item (tmp->contr, op->count);
1605	}
1606	}
1607
1608	if (op->nrof)
1609	return op;	1699	return op;
1610	else
1611	{
1612	op->destroy ();
1613	return 0;
1614	}
1615	}
1616
1617	/*
1618	* add_weight(object, weight) adds the specified weight to an object,
1619	* and also updates how much the environment(s) is/are carrying.
1620	*/
1621	void
1622	add_weight (object *op, signed long weight)
1623	{
1624	while (op != NULL)
1625	{
1626	if (op->type == CONTAINER)
1627	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1628
1629	op->carrying += weight;
1630	op = op->env;
1631	}	1700	}
1632	}	1701	}
1633		1702
1634	object *	1703	object *
1635	insert_ob_in_ob (object *op, object *where)	1704	insert_ob_in_ob (object *op, object *where)
…		…
1660	* be != op, if items are merged. -Tero	1729	* be != op, if items are merged. -Tero
1661	*/	1730	*/
1662	object *	1731	object *
1663	object::insert (object *op)	1732	object::insert (object *op)
1664	{	1733	{
1665	if (!QUERY_FLAG (op, FLAG_REMOVED))
1666	op->remove ();
1667
1668	if (op->more)	1734	if (op->more)
1669	{	1735	{
1670	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1736	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1671	return op;	1737	return op;
1672	}	1738	}
1673		1739
1674	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1740	op->remove ();
1675	CLEAR_FLAG (op, FLAG_REMOVED);	1741
		1742	op->flag [FLAG_OBJ_ORIGINAL] = 0;
1676		1743
1677	if (op->nrof)	1744	if (op->nrof)
1678	{
1679	for (object *tmp = inv; tmp; tmp = tmp->below)	1745	for (object *tmp = inv; tmp; tmp = tmp->below)
1680	if (object::can_merge (tmp, op))	1746	if (object::can_merge (tmp, op))
1681	{	1747	{
1682	/* return the original object and remove inserted object	1748	/* return the original object and remove inserted object
1683	(client needs the original object) */	1749	(client needs the original object) */
1684	tmp->nrof += op->nrof;	1750	tmp->nrof += op->nrof;
1685	/* Weight handling gets pretty funky. Since we are adding to	1751
1686	* tmp->nrof, we need to increase the weight.	1752	if (object *pl = tmp->visible_to ())
1687	*/	1753	esrv_update_item (UPD_NROF, pl, tmp);
		1754
1688	add_weight (this, op->weight * op->nrof);	1755	adjust_weight (this, op->total_weight ());
1689	SET_FLAG (op, FLAG_REMOVED);	1756
1690	op->destroy (); /* free the inserted object */	1757	op->destroy ();
1691	op = tmp;	1758	op = tmp;
1692	op->remove (); /* and fix old object's links */	1759	goto inserted;
1693	CLEAR_FLAG (op, FLAG_REMOVED);
1694	break;
1695	}	1760	}
1696		1761
1697	/* I assume combined objects have no inventory
1698	* We add the weight - this object could have just been removed
1699	* (if it was possible to merge). calling remove_ob will subtract
1700	* the weight, so we need to add it in again, since we actually do
1701	* the linking below
1702	*/
1703	add_weight (this, op->weight * op->nrof);
1704	}
1705	else
1706	add_weight (this, (op->weight + op->carrying));
1707
1708	if (object *otmp = this->in_player ())
1709	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1710	otmp->update_stats ();
1711
1712	op->owner = 0; // its his/hers now. period.	1762	op->owner = 0; // it's his/hers now. period.
1713	op->map = 0;	1763	op->map = 0;
		1764	op->x = 0;
		1765	op->y = 0;
		1766
		1767	op->above = 0;
		1768	op->below = inv;
1714	op->env = this;	1769	op->env = this;
1715	op->above = 0;
1716	op->below = 0;
1717	op->x = op->y = 0;
1718		1770
		1771	if (inv)
		1772	inv->above = op;
		1773
		1774	inv = op;
		1775
		1776	op->flag [FLAG_REMOVED] = 0;
		1777
		1778	if (object *pl = op->visible_to ())
		1779	esrv_send_item (pl, op);
		1780
		1781	adjust_weight (this, op->total_weight ());
		1782
		1783	inserted:
1719	/* reset the light list and los of the players on the map */	1784	/* reset the light list and los of the players on the map */
1720	if (op->glow_radius && map)	1785	if (op->glow_radius && is_on_map ())
1721	{	1786	{
1722	#ifdef DEBUG_LIGHTS	1787	update_stats ();
1723	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1724	#endif /* DEBUG_LIGHTS */
1725	if (map->darkness)
1726	update_all_los (map, x, y);	1788	update_all_los (map, x, y);
1727	}
1728
1729	/* Client has no idea of ordering so lets not bother ordering it here.
1730	* It sure simplifies this function...
1731	*/
1732	if (!inv)
1733	inv = op;
1734	else
1735	{	1789	}
1736	op->below = inv;	1790	else if (is_player ())
1737	op->below->above = op;	1791	// if this is a player's inventory, update stats
1738	inv = op;	1792	contr->queue_stats_update ();
1739	}
1740		1793
1741	INVOKE_OBJECT (INSERT, this);	1794	INVOKE_OBJECT (INSERT, this);
1742		1795
1743	return op;	1796	return op;
1744	}	1797	}
…		…
1764	* on top.	1817	* on top.
1765	*/	1818	*/
1766	int	1819	int
1767	check_move_on (object *op, object *originator)	1820	check_move_on (object *op, object *originator)
1768	{	1821	{
		1822	if (op->flag [FLAG_NO_APPLY])
		1823	return 0;
		1824
1769	object *tmp;	1825	object *tmp;
1770	maptile *m = op->map;	1826	maptile *m = op->map;
1771	int x = op->x, y = op->y;	1827	int x = op->x, y = op->y;
1772		1828
1773	MoveType move_on, move_slow, move_block;	1829	mapspace &ms = m->at (x, y);
1774		1830
1775	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1831	ms.update ();
1776	return 0;
1777		1832
1778	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1833	MoveType move_on = ms.move_on;
1779	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1834	MoveType move_slow = ms.move_slow;
1780	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1835	MoveType move_block = ms.move_block;
1781		1836
1782	/* if nothing on this space will slow op down or be applied,	1837	/* if nothing on this space will slow op down or be applied,
1783	* no need to do checking below. have to make sure move_type	1838	* no need to do checking below. have to make sure move_type
1784	* is set, as lots of objects don't have it set - we treat that	1839	* is set, as lots of objects don't have it set - we treat that
1785	* as walking.	1840	* as walking.
…		…
1796	return 0;	1851	return 0;
1797		1852
1798	/* The objects have to be checked from top to bottom.	1853	/* The objects have to be checked from top to bottom.
1799	* Hence, we first go to the top:	1854	* Hence, we first go to the top:
1800	*/	1855	*/
1801		1856	for (object *next, *tmp = ms.top; tmp; tmp = next)
1802	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1803	{
1804	/* Trim the search when we find the first other spell effect
1805	* this helps performance so that if a space has 50 spell objects,
1806	* we don't need to check all of them.
1807	*/
1808	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1809	break;
1810	}	1857	{
		1858	next = tmp->below;
1811		1859
1812	for (; tmp; tmp = tmp->below)
1813	{
1814	if (tmp == op)	1860	if (tmp == op)
1815	continue; /* Can't apply yourself */	1861	continue; /* Can't apply yourself */
1816		1862
1817	/* Check to see if one of the movement types should be slowed down.	1863	/* Check to see if one of the movement types should be slowed down.
1818	* Second check makes sure that the movement types not being slowed	1864	* Second check makes sure that the movement types not being slowed
1819	* (~slow_move) is not blocked on this space - just because the	1865	* (~slow_move) is not blocked on this space - just because the
1820	* space doesn't slow down swimming (for example), if you can't actually	1866	* space doesn't slow down swimming (for example), if you can't actually
1821	* swim on that space, can't use it to avoid the penalty.	1867	* swim on that space, can't use it to avoid the penalty.
1822	*/	1868	*/
1823	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1869	if (!op->flag [FLAG_WIZPASS])
1824	{	1870	{
1825	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1871	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1826	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1872	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1827	{	1873	{
1828
1829	float
1830	diff = tmp->move_slow_penalty * fabs (op->speed);	1874	float diff = tmp->move_slow_penalty * fabs (op->speed);
1831		1875
1832	if (op->type == PLAYER)	1876	if (op->is_player ())
1833	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1877	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1834	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1878	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1835	diff /= 4.0;	1879	diff /= 4.0;
1836		1880
1837	op->speed_left -= diff;	1881	op->speed_left -= diff;
1838	}	1882	}
1839	}	1883	}
…		…
1872	LOG (llevError, "Present_arch called outside map.\n");	1916	LOG (llevError, "Present_arch called outside map.\n");
1873	return NULL;	1917	return NULL;
1874	}	1918	}
1875		1919
1876	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1920	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1877	if (tmp->arch == at)	1921	if (tmp->arch->archname == at->archname)
1878	return tmp;	1922	return tmp;
1879		1923
1880	return NULL;	1924	return NULL;
1881	}	1925	}
1882		1926
…		…
1946	* The first matching object is returned, or NULL if none.	1990	* The first matching object is returned, or NULL if none.
1947	*/	1991	*/
1948	object *	1992	object *
1949	present_arch_in_ob (const archetype *at, const object *op)	1993	present_arch_in_ob (const archetype *at, const object *op)
1950	{	1994	{
1951	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1995	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1952	if (tmp->arch == at)	1996	if (tmp->arch->archname == at->archname)
1953	return tmp;	1997	return tmp;
1954		1998
1955	return NULL;	1999	return NULL;
1956	}	2000	}
1957		2001
…		…
1961	void	2005	void
1962	flag_inv (object *op, int flag)	2006	flag_inv (object *op, int flag)
1963	{	2007	{
1964	for (object *tmp = op->inv; tmp; tmp = tmp->below)	2008	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1965	{	2009	{
1966	SET_FLAG (tmp, flag);	2010	tmp->set_flag (flag);
1967	flag_inv (tmp, flag);	2011	flag_inv (tmp, flag);
1968	}	2012	}
1969	}	2013	}
1970		2014
1971	/*	2015	/*
…		…
1974	void	2018	void
1975	unflag_inv (object *op, int flag)	2019	unflag_inv (object *op, int flag)
1976	{	2020	{
1977	for (object *tmp = op->inv; tmp; tmp = tmp->below)	2021	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1978	{	2022	{
1979	CLEAR_FLAG (tmp, flag);	2023	tmp->clr_flag (flag);
1980	unflag_inv (tmp, flag);	2024	unflag_inv (tmp, flag);
1981	}	2025	}
1982	}	2026	}
1983		2027
1984	/*	2028	/*
…		…
2045	* head of the object should correspond for the entire object.	2089	* head of the object should correspond for the entire object.
2046	*/	2090	*/
2047	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	2091	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
2048	continue;	2092	continue;
2049		2093
2050	if (ob->blocked (m, pos.x, pos.y))	2094	if (ob->blocked (pos.m, pos.x, pos.y))
2051	continue;	2095	continue;
2052		2096
2053	altern [index++] = i;	2097	altern [index++] = i;
2054	}	2098	}
2055		2099
…		…
2123	* there is capable of.	2167	* there is capable of.
2124	*/	2168	*/
2125	int	2169	int
2126	find_dir (maptile *m, int x, int y, object *exclude)	2170	find_dir (maptile *m, int x, int y, object *exclude)
2127	{	2171	{
2128	int i, max = SIZEOFFREE, mflags;	2172	int max = SIZEOFFREE, mflags;
2129
2130	sint16 nx, ny;
2131	object *tmp;
2132	maptile *mp;
2133
2134	MoveType blocked, move_type;	2173	MoveType move_type;
2135		2174
2136	if (exclude && exclude->head_ () != exclude)	2175	if (exclude && exclude->head_ () != exclude)
2137	{	2176	{
2138	exclude = exclude->head;	2177	exclude = exclude->head;
2139	move_type = exclude->move_type;	2178	move_type = exclude->move_type;
…		…
2142	{	2181	{
2143	/* If we don't have anything, presume it can use all movement types. */	2182	/* If we don't have anything, presume it can use all movement types. */
2144	move_type = MOVE_ALL;	2183	move_type = MOVE_ALL;
2145	}	2184	}
2146		2185
2147	for (i = 1; i < max; i++)	2186	for (int i = 1; i < max; i++)
2148	{	2187	{
2149	mp = m;	2188	mapxy pos (m, x, y);
2150	nx = x + freearr_x[i];	2189	pos.move (i);
2151	ny = y + freearr_y[i];
2152		2190
2153	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2191	if (!pos.normalise ())
2154
2155	if (mflags & P_OUT_OF_MAP)
2156	max = maxfree[i];	2192	max = maxfree[i];
2157	else	2193	else
2158	{	2194	{
2159	mapspace &ms = mp->at (nx, ny);	2195	mapspace &ms = *pos;
2160		2196
2161	blocked = ms.move_block;
2162
2163	if ((move_type & blocked) == move_type)	2197	if ((move_type & ms.move_block) == move_type)
2164	max = maxfree[i];	2198	max = maxfree [i];
2165	else if (mflags & P_IS_ALIVE)	2199	else if (ms.flags () & P_IS_ALIVE)
2166	{	2200	{
2167	for (tmp = ms.bot; tmp; tmp = tmp->above)	2201	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2168	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2202	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2169	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2203	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2170	break;
2171
2172	if (tmp)
2173	return freedir[i];	2204	return freedir [i];
2174	}	2205	}
2175	}	2206	}
2176	}	2207	}
2177		2208
2178	return 0;	2209	return 0;
…		…
2187	{	2218	{
2188	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2219	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2189	}	2220	}
2190		2221
2191	/*	2222	/*
2192	* find_dir_2(delta-x,delta-y) will return a direction in which	2223	* find_dir_2(delta-x,delta-y) will return a direction value
2193	* an object which has subtracted the x and y coordinates of another	2224	* for running into direct [dx, dy].
2194	* object, needs to travel toward it.	2225	* (the opposite of crossfire's find_dir_2!)
2195	*/	2226	*/
2196	int	2227	int
2197	find_dir_2 (int x, int y)	2228	find_dir_2 (int x, int y)
2198	{	2229	{
		2230	#if 1 // new algorithm
		2231	// this works by putting x, y into 16 sectors, which
		2232	// are not equal sized, but are a better approximation
		2233	// then the old algorithm, and then using a mapping
		2234	// table to map it into a direction value.
		2235
		2236	static const uint8 dir[16] = {
		2237	4, 5, 4, 3,
		2238	2, 1, 2, 3,
		2239	6, 5, 6, 7,
		2240	8, 1, 8, 7,
		2241	};
		2242	int sector = 0;
		2243
		2244	// this is a bit ugly, but more likely to result in branchless code
		2245	sector |= x < 0 ? 8 : 0;
		2246	x = x < 0 ? -x : x; // abs
		2247
		2248	sector |= y < 0 ? 4 : 0;
		2249	y = y < 0 ? -y : y; // abs
		2250
		2251	if (x > y)
		2252	{
		2253	sector |= 2;
		2254
		2255	if (x > y * 2)
		2256	sector |= 1;
		2257	}
		2258	else
		2259	{
		2260	if (y > x * 2)
		2261	sector |= 1;
		2262	else if (!y)
		2263	return 0; // x == 0 here
		2264	}
		2265
		2266	return dir [sector];
		2267	#else // old algorithm
2199	int q;	2268	int q;
2200		2269
2201	if (y)	2270	if (y)
2202	q = x * 100 / y;	2271	q = 128 * x / y;
2203	else if (x)	2272	else if (x)
2204	q = -300 * x;	2273	q = -512 * x; // to make it > 309
2205	else	2274	else
2206	return 0;	2275	return 0;
2207		2276
2208	if (y > 0)	2277	if (y > 0)
2209	{	2278	{
2210	if (q < -242)	2279	if (q < -309) return 7;
		2280	if (q < -52) return 6;
		2281	if (q < 52) return 5;
		2282	if (q < 309) return 4;
		2283
2211	return 3;	2284	return 3;
2212	if (q < -41)	2285	}
2213	return 2;	2286	else
2214	if (q < 41)	2287	{
2215	return 1;	2288	if (q < -309) return 3;
2216	if (q < 242)	2289	if (q < -52) return 2;
2217	return 8;	2290	if (q < 52) return 1;
		2291	if (q < 309) return 8;
		2292
2218	return 7;	2293	return 7;
2219	}	2294	}
2220		2295	#endif
2221	if (q < -242)
2222	return 7;
2223	if (q < -41)
2224	return 6;
2225	if (q < 41)
2226	return 5;
2227	if (q < 242)
2228	return 4;
2229
2230	return 3;
2231	}	2296	}
2232		2297
2233	/*	2298	/*
2234	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2299	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2235	* between two directions (which are expected to be absolute (see absdir())	2300	* between two directions (which are expected to be absolute (see absdir())
2236	*/	2301	*/
2237	int	2302	int
2238	dirdiff (int dir1, int dir2)	2303	dirdiff (int dir1, int dir2)
2239	{	2304	{
2240	int d;
2241
2242	d = abs (dir1 - dir2);	2305	int d = abs (dir1 - dir2);
2243	if (d > 4)
2244	d = 8 - d;
2245		2306
2246	return d;	2307	return d > 4 ? 8 - d : d;
2247	}	2308	}
2248		2309
2249	/* peterm:	2310	/* peterm:
2250	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2311	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2251	* Basically, this is a table of directions, and what directions	2312	* Basically, this is a table of directions, and what directions
…		…
2253	* This basically means that if direction is 15, then it could either go	2314	* This basically means that if direction is 15, then it could either go
2254	* direction 4, 14, or 16 to get back to where we are.	2315	* direction 4, 14, or 16 to get back to where we are.
2255	* Moved from spell_util.c to object.c with the other related direction	2316	* Moved from spell_util.c to object.c with the other related direction
2256	* functions.	2317	* functions.
2257	*/	2318	*/
2258	int reduction_dir[SIZEOFFREE][3] = {	2319	static const int reduction_dir[SIZEOFFREE][3] = {
2259	{0, 0, 0}, /* 0 */	2320	{0, 0, 0}, /* 0 */
2260	{0, 0, 0}, /* 1 */	2321	{0, 0, 0}, /* 1 */
2261	{0, 0, 0}, /* 2 */	2322	{0, 0, 0}, /* 2 */
2262	{0, 0, 0}, /* 3 */	2323	{0, 0, 0}, /* 3 */
2263	{0, 0, 0}, /* 4 */	2324	{0, 0, 0}, /* 4 */
…		…
2357	* Add a check so we can't pick up invisible objects (0.93.8)	2418	* Add a check so we can't pick up invisible objects (0.93.8)
2358	*/	2419	*/
2359	int	2420	int
2360	can_pick (const object *who, const object *item)	2421	can_pick (const object *who, const object *item)
2361	{	2422	{
2362	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2423	return /*who->flag [FLAG_WIZ]|| */
2363	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2424	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2364	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2425	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2365	}	2426	}
2366		2427
2367	/*	2428	/*
2368	* create clone from object to another	2429	* create clone from object to another
2369	*/	2430	*/
2370	object *	2431	object *
2371	object_create_clone (object *asrc)	2432	object::deep_clone ()
2372	{	2433	{
2373	object *dst = 0, *tmp, *src, *prev, *item;	2434	assert (("deep_clone called on non-head object", is_head ()));
2374		2435
2375	if (!asrc)	2436	object *dst = clone ();
2376	return 0;
2377		2437
2378	src = asrc->head_ ();	2438	object *prev = dst;
2379
2380	prev = 0;
2381	for (object *part = src; part; part = part->more)	2439	for (object *part = this->more; part; part = part->more)
2382	{	2440	{
2383	tmp = part->clone ();	2441	object *tmp = part->clone ();
2384	tmp->x -= src->x;
2385	tmp->y -= src->y;
2386
2387	if (!part->head)
2388	{
2389	dst = tmp;
2390	tmp->head = 0;
2391	}
2392	else
2393	tmp->head = dst;	2442	tmp->head = dst;
2394
2395	tmp->more = 0;
2396
2397	if (prev)
2398	prev->more = tmp;	2443	prev->more = tmp;
2399
2400	prev = tmp;	2444	prev = tmp;
2401	}	2445	}
2402		2446
2403	for (item = src->inv; item; item = item->below)	2447	for (object *item = inv; item; item = item->below)
2404	insert_ob_in_ob (object_create_clone (item), dst);	2448	insert_ob_in_ob (item->deep_clone (), dst);
2405		2449
2406	return dst;	2450	return dst;
2407	}	2451	}
2408		2452
2409	/* This returns the first object in who's inventory that	2453	/* This returns the first object in who's inventory that
…		…
2418	return tmp;	2462	return tmp;
2419		2463
2420	return 0;	2464	return 0;
2421	}	2465	}
2422		2466
2423	/* If ob has a field named key, return the link from the list,	2467	shstr_tmp
2424	* otherwise return NULL.	2468	object::kv_get (shstr_tmp key) const
2425	*
2426	* key must be a passed in shared string - otherwise, this won't
2427	* do the desired thing.
2428	*/
2429	key_value *
2430	get_ob_key_link (const object *ob, const char *key)
2431	{	2469	{
2432	for (key_value *link = ob->key_values; link; link = link->next)	2470	for (key_value *kv = key_values; kv; kv = kv->next)
2433	if (link->key == key)	2471	if (kv->key == key)
2434	return link;
2435
2436	return 0;
2437	}
2438
2439	/*
2440	* Returns the value of op has an extra_field for key, or NULL.
2441	*
2442	* The argument doesn't need to be a shared string.
2443	*
2444	* The returned string is shared.
2445	*/
2446	const char *
2447	get_ob_key_value (const object *op, const char *const key)
2448	{
2449	key_value *link;
2450	shstr_cmp canonical_key (key);
2451
2452	if (!canonical_key)
2453	{
2454	/* 1. There being a field named key on any object
2455	* implies there'd be a shared string to find.
2456	* 2. Since there isn't, no object has this field.
2457	* 3. Therefore, *this* object doesn't have this field.
2458	*/
2459	return 0;
2460	}
2461
2462	/* This is copied from get_ob_key_link() above -
2463	* only 4 lines, and saves the function call overhead.
2464	*/
2465	for (link = op->key_values; link; link = link->next)
2466	if (link->key == canonical_key)
2467	return link->value;	2472	return kv->value;
2468		2473
2469	return 0;	2474	return shstr ();
2470	}	2475	}
2471		2476
2472	/*	2477	void
2473	* Updates the canonical_key in op to value.	2478	object::kv_set (shstr_tmp key, shstr_tmp value)
2474	*
2475	* canonical_key is a shared string (value doesn't have to be).
2476	*
2477	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2478	* keys.
2479	*
2480	* Returns TRUE on success.
2481	*/
2482	int
2483	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2484	{	2479	{
2485	key_value *field = NULL, *last = NULL;	2480	for (key_value *kv = key_values; kv; kv = kv->next)
2486		2481	if (kv->key == key)
2487	for (field = op->key_values; field != NULL; field = field->next)
2488	{
2489	if (field->key != canonical_key)
2490	{	2482	{
2491	last = field;	2483	kv->value = value;
2492	continue;	2484	return;
2493	}	2485	}
2494		2486
2495	if (value)	2487	key_value *kv = new key_value;
2496	field->value = value;	2488
2497	else	2489	kv->next = key_values;
		2490	kv->key = key;
		2491	kv->value = value;
		2492
		2493	key_values = kv;
		2494	}
		2495
		2496	void
		2497	object::kv_del (shstr_tmp key)
		2498	{
		2499	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2500	if ((*kvp)->key == key)
2498	{	2501	{
2499	/* Basically, if the archetype has this key set,	2502	key_value *kv = *kvp;
2500	* we need to store the null value so when we save	2503	*kvp = (*kvp)->next;
2501	* it, we save the empty value so that when we load,	2504	delete kv;
2502	* we get this value back again.	2505	return;
2503	*/
2504	if (get_ob_key_link (op->arch, canonical_key))
2505	field->value = 0;
2506	else
2507	{
2508	if (last)
2509	last->next = field->next;
2510	else
2511	op->key_values = field->next;
2512
2513	delete field;
2514	}
2515	}	2506	}
2516	return TRUE;
2517	}
2518	/* IF we get here, key doesn't exist */
2519
2520	/* No field, we'll have to add it. */
2521
2522	if (!add_key)
2523	return FALSE;
2524
2525	/* There isn't any good reason to store a null
2526	* value in the key/value list. If the archetype has
2527	* this key, then we should also have it, so shouldn't
2528	* be here. If user wants to store empty strings,
2529	* should pass in ""
2530	*/
2531	if (value == NULL)
2532	return TRUE;
2533
2534	field = new key_value;
2535
2536	field->key = canonical_key;
2537	field->value = value;
2538	/* Usual prepend-addition. */
2539	field->next = op->key_values;
2540	op->key_values = field;
2541
2542	return TRUE;
2543	}
2544
2545	/*
2546	* Updates the key in op to value.
2547	*
2548	* If add_key is FALSE, this will only update existing keys,
2549	* and not add new ones.
2550	* In general, should be little reason FALSE is ever passed in for add_key
2551	*
2552	* Returns TRUE on success.
2553	*/
2554	int
2555	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2556	{
2557	shstr key_ (key);
2558
2559	return set_ob_key_value_s (op, key_, value, add_key);
2560	}	2507	}
2561		2508
2562	object::depth_iterator::depth_iterator (object *container)	2509	object::depth_iterator::depth_iterator (object *container)
2563	: iterator_base (container)	2510	: iterator_base (container)
2564	{	2511	{
…		…
2614	{	2561	{
2615	char flagdesc[512];	2562	char flagdesc[512];
2616	char info2[256 * 4];	2563	char info2[256 * 4];
2617	char *p = info;	2564	char *p = info;
2618		2565
2619	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",	2566	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2620	count,	2567	count,
2621	uuid.c_str (),	2568	uuid.c_str (),
2622	&name,	2569	&name,
2623	title ? "\",title:\"" : "",	2570	title ? ",title:\"" : "",
2624	title ? (const char *)title : "",	2571	title ? (const char *)title : "",
		2572	title ? "\"" : "",
2625	flag_desc (flagdesc, 512), type);	2573	flag_desc (flagdesc, 512), type);
2626		2574
2627	if (!this->flag[FLAG_REMOVED] && env)	2575	if (!flag[FLAG_REMOVED] && env)
2628	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2576	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2629		2577
2630	if (map)	2578	if (map)
2631	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2579	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2632		2580
…		…
2647	{	2595	{
2648	return map ? map->region (x, y)	2596	return map ? map->region (x, y)
2649	: region::default_region ();	2597	: region::default_region ();
2650	}	2598	}
2651		2599
2652	const materialtype_t *
2653	object::dominant_material () const
2654	{
2655	if (materialtype_t *mt = name_to_material (materialname))
2656	return mt;
2657
2658	return name_to_material (shstr_unknown);
2659	}
2660
2661	void	2600	void
2662	object::open_container (object *new_container)	2601	object::open_container (object *new_container)
2663	{	2602	{
2664	if (container == new_container)	2603	if (container == new_container)
2665	return;	2604	return;
2666		2605
2667	if (object *old_container = container)	2606	object *old_container = container;
		2607
		2608	if (old_container)
2668	{	2609	{
2669	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2610	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2670	return;	2611	return;
2671		2612
2672	#if 0	2613	#if 0
…		…
2674	if (object *closer = old_container->inv)	2615	if (object *closer = old_container->inv)
2675	if (closer->type == CLOSE_CON)	2616	if (closer->type == CLOSE_CON)
2676	closer->destroy ();	2617	closer->destroy ();
2677	#endif	2618	#endif
2678		2619
		2620	// make sure the container is available
		2621	esrv_send_item (this, old_container);
		2622
2679	old_container->flag [FLAG_APPLIED] = 0;	2623	old_container->flag [FLAG_APPLIED] = false;
2680	container = 0;	2624	container = 0;
2681		2625
		2626	// client needs item update to make it work, client bug requires this to be separate
2682	esrv_update_item (UPD_FLAGS, this, old_container);	2627	esrv_update_item (UPD_FLAGS, this, old_container);
		2628
2683	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2629	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2684	play_sound (sound_find ("chest_close"));	2630	play_sound (sound_find ("chest_close"));
2685	}	2631	}
2686		2632
2687	if (new_container)	2633	if (new_container)
2688	{	2634	{
…		…
2692	// TODO: this does not seem to serve any purpose anymore?	2638	// TODO: this does not seem to serve any purpose anymore?
2693	#if 0	2639	#if 0
2694	// insert the "Close Container" object.	2640	// insert the "Close Container" object.
2695	if (archetype *closer = new_container->other_arch)	2641	if (archetype *closer = new_container->other_arch)
2696	{	2642	{
2697	object *closer = arch_to_object (new_container->other_arch);	2643	object *closer = new_container->other_arch->instance ();
2698	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2644	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2699	new_container->insert (closer);	2645	new_container->insert (closer);
2700	}	2646	}
2701	#endif	2647	#endif
2702		2648
2703	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2649	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2704		2650
		2651	// make sure the container is available, client bug requires this to be separate
		2652	esrv_send_item (this, new_container);
		2653
2705	new_container->flag [FLAG_APPLIED] = 1;	2654	new_container->flag [FLAG_APPLIED] = true;
2706	container = new_container;	2655	container = new_container;
2707		2656
		2657	// client needs flag change
2708	esrv_update_item (UPD_FLAGS, this, new_container);	2658	esrv_update_item (UPD_FLAGS, this, new_container);
2709	esrv_send_inventory (this, new_container);	2659	esrv_send_inventory (this, new_container);
2710	play_sound (sound_find ("chest_open"));	2660	play_sound (sound_find ("chest_open"));
2711	}	2661	}
		2662	// else if (!old_container->env && contr && contr->ns)
		2663	// contr->ns->floorbox_reset ();
2712	}	2664	}
2713		2665
2714	object *	2666	object *
2715	object::force_find (const shstr name)	2667	object::force_find (shstr_tmp name)
2716	{	2668	{
2717	/* cycle through his inventory to look for the MARK we want to	2669	/* cycle through his inventory to look for the MARK we want to
2718	* place	2670	* place
2719	*/	2671	*/
2720	for (object *tmp = inv; tmp; tmp = tmp->below)	2672	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2722	return splay (tmp);	2674	return splay (tmp);
2723		2675
2724	return 0;	2676	return 0;
2725	}	2677	}
2726		2678
		2679	//-GPL
		2680
2727	void	2681	void
		2682	object::force_set_timer (int duration)
		2683	{
		2684	this->duration = 1;
		2685	this->speed_left = -1.f;
		2686
		2687	this->set_speed (duration ? 1.f / duration : 0.f);
		2688	}
		2689
		2690	object *
2728	object::force_add (const shstr name, int duration)	2691	object::force_add (shstr_tmp name, int duration)
2729	{	2692	{
2730	if (object *force = force_find (name))	2693	if (object *force = force_find (name))
2731	force->destroy ();	2694	force->destroy ();
2732		2695
2733	object *force = get_archetype (FORCE_NAME);	2696	object *force = get_archetype (FORCE_NAME);
2734		2697
2735	force->slaying = name;	2698	force->slaying = name;
2736	force->stats.food = 1;	2699	force->force_set_timer (duration);
2737	force->speed_left = -1.f;
2738
2739	force->set_speed (duration ? 1.f / duration : 0.f);
2740	force->flag [FLAG_IS_USED_UP] = true;
2741	force->flag [FLAG_APPLIED] = true;	2700	force->flag [FLAG_APPLIED] = true;
2742		2701
2743	insert (force);	2702	return insert (force);
2744	}	2703	}
2745		2704
2746	void	2705	void
2747	object::play_sound (faceidx sound) const	2706	object::play_sound (faceidx sound) const
2748	{	2707	{
2749	if (!sound)	2708	if (!sound)
2750	return;	2709	return;
2751		2710
2752	if (flag [FLAG_REMOVED])	2711	if (is_on_map ())
		2712	map->play_sound (sound, x, y);
		2713	else if (object *pl = in_player ())
		2714	pl->contr->play_sound (sound);
		2715	}
		2716
		2717	void
		2718	object::say_msg (const char *msg) const
		2719	{
		2720	if (is_on_map ())
		2721	map->say_msg (msg, x, y);
		2722	else if (object *pl = in_player ())
		2723	pl->contr->play_sound (sound);
		2724	}
		2725
		2726	void
		2727	object::make_noise ()
		2728	{
		2729	// we do not model noise in the map, so instead put
		2730	// a temporary light into the noise source
		2731	// could use the map instead, but that's less reliable for our
		2732	// goal, which is to make invisibility a bit harder to exploit
		2733
		2734	// currently only works sensibly for players
		2735	if (!is_player ())
2753	return;	2736	return;
2754		2737
2755	if (env)	2738	// find old force, or create new one
2756	{	2739	object *force = force_find (shstr_noise_force);
2757	if (object *pl = in_player ())	2740
2758	pl->contr->play_sound (sound);	2741	if (force)
2759	}	2742	force->speed_left = -1.f; // patch old speed up
2760	else	2743	else
2761	map->play_sound (sound, x, y);	2744	{
2762	}	2745	force = archetype::get (shstr_noise_force);
2763		2746
		2747	force->slaying = shstr_noise_force;
		2748	force->stats.food = 1;
		2749	force->speed_left = -1.f;
		2750
		2751	force->set_speed (1.f / 4.f);
		2752	force->flag [FLAG_IS_USED_UP] = true;
		2753	force->flag [FLAG_APPLIED] = true;
		2754
		2755	insert (force);
		2756	}
		2757	}
		2758
		2759	void object::change_move_type (MoveType mt)
		2760	{
		2761	if (move_type == mt)
		2762	return;
		2763
		2764	if (is_on_map ())
		2765	{
		2766	// we are on the map, so handle move_on/off effects
		2767	remove ();
		2768	move_type = mt;
		2769	map->insert (this, x, y, this);
		2770	}
		2771	else
		2772	move_type = mt;
		2773	}
		2774
		2775	/* object should be a player.
		2776	* we return the object the player has marked with the 'mark' command
		2777	* below. If no match is found (or object has changed), we return
		2778	* NULL. We leave it up to the calling function to print messages if
		2779	* nothing is found.
		2780	*/
		2781	object *
		2782	object::mark () const
		2783	{
		2784	if (contr && contr->mark && contr->mark->env == this)
		2785	return contr->mark;
		2786	else
		2787	return 0;
		2788	}
		2789

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