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Comparing deliantra/server/common/object.C (file contents):
Revision 1.207 by root, Sun Apr 20 23:25:09 2008 UTC vs.
Revision 1.354 by root, Mon Oct 29 23:55:52 2012 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 (©) 2005,2006,2007,2008,2009,2010,2011,2012 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	/* 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		24
28	#include <global.h>	25	#include <global.h>
29	#include <stdio.h>	26	#include <stdio.h>
30	#include <sys/types.h>	27	#include <sys/types.h>
31	#include <sys/uio.h>	28	#include <sys/uio.h>
32	#include <object.h>	29	#include <object.h>
33	#include <funcpoint.h>
34	#include <sproto.h>	30	#include <sproto.h>
35	#include <loader.h>
36		31
37	#include <bitset>	32	#include <bitset>
38		33
39	UUID UUID::cur;	34	UUID UUID::cur;
40	static uint64_t seq_next_save;	35	static uint64_t seq_next_save;
41	static const uint64 UUID_GAP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
42		38
43	objectvec objects;	39	objectvec objects;
44	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
45		49
46	short freearr_x[SIZEOFFREE] = {	50	short freearr_x[SIZEOFFREE] = {
47	0,	51	0,
48	0, 1, 1, 1, 0, -1, -1, -1,	52	0, 1, 1, 1, 0, -1, -1, -1,
49	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,
…		…
53	0,	57	0,
54	-1, -1, 0, 1, 1, 1, 0, -1,	58	-1, -1, 0, 1, 1, 1, 0, -1,
55	-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,
56	-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
57	};	61	};
58	int maxfree[SIZEOFFREE] = {
59	0,
60	9, 10, 13, 14, 17, 18, 21, 22,
61	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
62	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
63	};
64	int freedir[SIZEOFFREE] = {	62	int freedir[SIZEOFFREE] = {
65	0,	63	0,
66	1, 2, 3, 4, 5, 6, 7, 8,	64	1, 2, 3, 4, 5, 6, 7, 8,
67	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,
68	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
69	};	67	};
70		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
		76	const char *wall_suffix[16] = {
		77	"0",
		78	"1_3",
		79	"1_4",
		80	"2_1_2",
		81	"1_2",
		82	"2_2_4",
		83	"2_2_1",
		84	"3_1",
		85	"1_1",
		86	"2_2_3",
		87	"2_2_2",
		88	"3_3",
		89	"2_1_1",
		90	"3_4",
		91	"3_2",
		92	"4"
		93	};
		94
71	static void	95	static void
72	write_uuid (uval64 skip, bool sync)	96	write_uuid (uval64 skip, bool sync)
73	{	97	{
74	CALL_BEGIN (2);	98	CALL_BEGIN (2);
75	CALL_ARG_SV (newSVval64 (skip));	99	CALL_ARG_SV (newSVval64 (skip));
…		…
77	CALL_CALL ("cf::write_uuid", G_DISCARD);	101	CALL_CALL ("cf::write_uuid", G_DISCARD);
78	CALL_END;	102	CALL_END;
79	}	103	}
80		104
81	static void	105	static void
82	read_uuid (void)	106	read_uuid ()
83	{	107	{
84	char filename[MAX_BUF];	108	char filename[MAX_BUF];
85		109
86	sprintf (filename, "%s/uuid", settings.localdir);	110	sprintf (filename, "%s/uuid", settings.localdir);
87		111
…		…
101		125
102	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	126	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
103	_exit (1);	127	_exit (1);
104	}	128	}
105		129
106	UUID::BUF buf;	130	char buf [UUID::MAX_LEN];
107	buf[0] = 0;	131	buf[0] = 0;
108	fgets (buf, sizeof (buf), fp);	132	fgets (buf, sizeof (buf), fp);
109		133
110	if (!UUID::cur.parse (buf))	134	if (!UUID::cur.parse (buf))
111	{	135	{
…		…
138		162
139	void	163	void
140	UUID::init ()	164	UUID::init ()
141	{	165	{
142	read_uuid ();	166	read_uuid ();
		167	}
		168
		169	bool
		170	UUID::parse (const char *s)
		171	{
		172	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		173	return false;
		174
		175	seq = 0;
		176
		177	while (*s != '>')
		178	{
		179	if (*s < '0')
		180	return false;
		181
		182	// this gives nice branchless code with gcc
		183	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		184	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		185
		186	seq = (seq << 4) | digit;
		187
		188	++s;
		189	}
		190
		191	return true;
		192	}
		193
		194	char *
		195	UUID::append (char *buf) const
		196	{
		197	*buf++ = '<';
		198	*buf++ = '1';
		199	*buf++ = '.';
		200
		201	uint64_t seq = this->seq;
		202	const int bits = 64;
		203	char nz = 0;
		204	static const char tohex [] = "0123456789abcdef";
		205
		206	// assert (len >= 3 + bits / 4 + 1 + 1);
		207	for (int i = bits / 4; --i; )
		208	{
		209	uint8_t digit = seq >> (bits - 4);
		210
		211	*buf = tohex [digit];
		212	nz |= digit;
		213	buf += nz ? 1 : 0;
		214	seq <<= 4;
		215	}
		216
		217	// last digit is special - always emit
		218	uint8_t digit = seq >> (bits - 4);
		219	*buf++ = tohex [digit];
		220
		221	*buf++ = '>';
		222
		223	return buf;
		224	}
		225
		226	char *
		227	UUID::c_str () const
		228	{
		229	static char buf [MAX_LEN];
		230	*append (buf) = 0;
		231	return buf;
143	}	232	}
144		233
145	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	234	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
146	static bool	235	static bool
147	compare_ob_value_lists_one (const object *wants, const object *has)	236	compare_ob_value_lists_one (const object *wants, const object *has)
148	{	237	{
149	key_value *wants_field;
150
151	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	238	/* n-squared behaviour (see kv.get), but I'm hoping both
152	* objects with lists are rare, and lists stay short. If not, use a	239	* objects with lists are rare, and lists stay short. If not, use a
153	* different structure or at least keep the lists sorted...	240	* different structure or at least keep the lists sorted...
154	*/	241	*/
155		242
156	/* For each field in wants, */	243	/* For each field in wants, */
157	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	244	for (key_value *kv = wants->kv.first; kv; kv = kv->next)
158	{	245	if (has->kv.get (kv->key) != kv->value)
159	key_value *has_field;	246	return false;
160
161	/* Look for a field in has with the same key. */
162	has_field = get_ob_key_link (has, wants_field->key);
163
164	if (!has_field)
165	return 0; /* No field with that name. */
166
167	/* Found the matching field. */
168	if (has_field->value != wants_field->value)
169	return 0; /* Values don't match, so this half of the comparison is false. */
170
171	/* If we get here, we found a match. Now for the next field in wants. */
172	}
173		247
174	/* If we get here, every field in wants has a matching field in has. */	248	/* If we get here, every field in wants has a matching field in has. */
175	return 1;	249	return true;
176	}	250	}
177		251
178	/* Returns TRUE if ob1 has the same key_values as ob2. */	252	/* Returns TRUE if ob1 has the same key_values as ob2. */
179	static bool	253	static bool
180	compare_ob_value_lists (const object *ob1, const object *ob2)	254	compare_ob_value_lists (const object *ob1, const object *ob2)
181	{	255	{
182	/* However, there may be fields in has which aren't partnered in wants,	256	/* However, there may be fields in has which aren't partnered in wants,
183	* so we need to run the comparison *twice*. :(	257	* so we need to run the comparison *twice*. :(
184	*/	258	*/
185	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	259	return compare_ob_value_lists_one (ob1, ob2)
		260	&& compare_ob_value_lists_one (ob2, ob1);
186	}	261	}
187		262
188	/* Function examines the 2 objects given to it, and returns true if	263	/* Function examines the 2 objects given to it, and returns true if
189	* they can be merged together.	264	* they can be merged together.
190	*	265	*
…		…
197	* Improvements made with merge: Better checking on potion, and also	272	* Improvements made with merge: Better checking on potion, and also
198	* check weight	273	* check weight
199	*/	274	*/
200	bool object::can_merge_slow (object *ob1, object *ob2)	275	bool object::can_merge_slow (object *ob1, object *ob2)
201	{	276	{
202	/* A couple quicksanity checks */	277	/* A couple quick sanity checks */
203	if (ob1 == ob2	278	if (ob1 == ob2
204	|| ob1->type != ob2->type	279	|| ob1->type != ob2->type
205	|| ob1->speed != ob2->speed
206	|| ob1->value != ob2->value	280	|| ob1->value != ob2->value
207	|| ob1->name != ob2->name)	281	|| ob1->name != ob2->name
		282	|| ob1->custom_name != ob2->custom_name
		283	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
208	return 0;	284	return 0;
209		285
210	/* Do not merge objects if nrof would overflow. First part checks	286	/* Do not merge objects if nrof would overflow, assume nrof
211	* for unsigned overflow (2c), second part checks wether the result	287	* is always 0 .. 2**31-1 */
212	* would fit into a 32 bit signed int, which is often used to hold	288	if (ob1->nrof > 0x7fffffff - ob2->nrof)
213	* nrof values.
214	*/
215	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
216	return 0;	289	return 0;
217		290
218	/* If the objects have been identified, set the BEEN_APPLIED flag.	291	/* If the objects have been identified, set the BEEN_APPLIED flag.
219	* This is to the comparison of the flags below will be OK. We	292	* This is to the comparison of the flags below will be OK. We
220	* just can't ignore the been applied or identified flags, as they	293	* just can't ignore the been applied or identified flags, as they
221	* are not equal - just if it has been identified, the been_applied	294	* are not equal - just if it has been identified, the been_applied
222	* flags lose any meaning.	295	* flags lose any meaning.
223	*/	296	*/
224	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	297	if (ob1->flag [FLAG_IDENTIFIED])
225	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	298	ob1->set_flag (FLAG_BEEN_APPLIED);
226		299
227	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	300	if (ob2->flag [FLAG_IDENTIFIED])
228	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	301	ob2->set_flag (FLAG_BEEN_APPLIED);
229		302
230	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	303	if (ob1->arch->archname != ob2->arch->archname
231	|| ob1->arch != ob2->arch
232	|| ob1->name != ob2->name	304	|| ob1->name != ob2->name
233	|| ob1->title != ob2->title	305	|| ob1->title != ob2->title
234	|| ob1->msg != ob2->msg	306	|| ob1->msg != ob2->msg
235	|| ob1->weight != ob2->weight	307	|| ob1->weight != ob2->weight
236	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
237	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
238	|| ob1->attacktype != ob2->attacktype	308	|| ob1->attacktype != ob2->attacktype
239	|| ob1->magic != ob2->magic	309	|| ob1->magic != ob2->magic
240	|| ob1->slaying != ob2->slaying	310	|| ob1->slaying != ob2->slaying
241	|| ob1->skill != ob2->skill	311	|| ob1->skill != ob2->skill
242	|| ob1->value != ob2->value	312	|| ob1->value != ob2->value
243	|| ob1->animation_id != ob2->animation_id	313	|| ob1->animation_id != ob2->animation_id
		314	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
244	|| ob1->client_type != ob2->client_type	315	|| ob1->client_type != ob2->client_type
245	|| ob1->materialname != ob2->materialname	316	|| ob1->material != ob2->material
246	|| ob1->lore != ob2->lore	317	|| ob1->lore != ob2->lore
247	|| ob1->subtype != ob2->subtype	318	|| ob1->subtype != ob2->subtype
248	|| ob1->move_type != ob2->move_type	319	|| ob1->move_type != ob2->move_type
249	|| ob1->move_block != ob2->move_block	320	|| ob1->move_block != ob2->move_block
250	|| ob1->move_allow != ob2->move_allow	321	|| ob1->move_allow != ob2->move_allow
251	|| ob1->move_on != ob2->move_on	322	|| ob1->move_on != ob2->move_on
252	|| ob1->move_off != ob2->move_off	323	|| ob1->move_off != ob2->move_off
253	|| ob1->move_slow != ob2->move_slow	324	|| ob1->move_slow != ob2->move_slow
254	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	325	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		326	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		327	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
		328	return 0;
		329
		330	if ((ob1->flag ^ ob2->flag)
		331	.reset (FLAG_INV_LOCKED)
		332	.reset (FLAG_REMOVED)
		333	.any ())
255	return 0;	334	return 0;
256		335
257	/* This is really a spellbook check - we should in general	336	/* This is really a spellbook check - we should in general
258	* not merge objects with real inventories, as splitting them	337	* not merge objects with real inventories, as splitting them
259	* is hard.	338	* is hard.
…		…
276		355
277	/* Don't merge objects that are applied. With the new 'body' code,	356	/* Don't merge objects that are applied. With the new 'body' code,
278	* it is possible for most any character to have more than one of	357	* it is possible for most any character to have more than one of
279	* some items equipped, and we don't want those to merge.	358	* some items equipped, and we don't want those to merge.
280	*/	359	*/
281	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	360	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
282	return 0;	361	return 0;
283		362
284	/* Note sure why the following is the case - either the object has to	363	/* Note sure why the following is the case - either the object has to
285	* be animated or have a very low speed. Is this an attempted monster	364	* be animated or have a very low speed. Is this an attempted monster
286	* check?	365	* check?
287	*/	366	*/
288	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	367	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
289	return 0;	368	return 0;
290		369
291	switch (ob1->type)	370	switch (ob1->type)
292	{	371	{
293	case SCROLL:	372	case SCROLL:
294	if (ob1->level != ob2->level)	373	if (ob1->level != ob2->level)
295	return 0;	374	return 0;
296	break;	375	break;
297	}	376	}
298		377
299	if (ob1->key_values || ob2->key_values)	378	if (!ob1->kv.empty () || !ob2->kv.empty ())
300	{	379	{
301	/* At least one of these has key_values. */	380	/* At least one of these has key_values. */
302	if ((!ob1->key_values) != (!ob2->key_values))	381	if (ob1->kv.empty () != ob2->kv.empty ())
303	/* One has fields, but the other one doesn't. */	382	return 0; /* One has fields, but the other one doesn't. */
304	return 0;	383
305	else if (!compare_ob_value_lists (ob1, ob2))	384	if (!compare_ob_value_lists (ob1, ob2))
306	return 0;	385	return 0;
307	}	386	}
308		387
309	if (ob1->self || ob2->self)	388	if (ob1->self || ob2->self)
310	{	389	{
…		…
316	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;	395	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
317	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;	396	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
318		397
319	if (k1 != k2)	398	if (k1 != k2)
320	return 0;	399	return 0;
		400
321	else if (k1 == 0)	401	if (k1 == 0)
322	return 1;	402	return 1;
		403
323	else if (!cfperl_can_merge (ob1, ob2))	404	if (!cfperl_can_merge (ob1, ob2))
324	return 0;	405	return 0;
325	}	406	}
326	}	407	}
327		408
328	/* Everything passes, must be OK. */	409	/* Everything passes, must be OK. */
329	return 1;	410	return 1;
330	}	411	}
331		412
		413	// find player who can see this object
		414	object *
		415	object::visible_to () const
		416	{
		417	if (client_visible () && !flag [FLAG_REMOVED])
		418	{
		419	// see if we are in a container of sorts
		420	if (env)
		421	{
		422	// the player inventory itself is always visible
		423	if (env->is_player ())
		424	return env;
		425
		426	// else a player could have our env open
		427	object *envest = env->outer_env_or_self ();
		428
		429	// the player itself is always on a map, so we will find him here
		430	// even if our inv is in a player.
		431	if (envest->is_on_map ())
		432	if (object *pl = envest->ms ().player ())
		433	if (pl->container_ () == env)
		434	return pl;
		435	}
		436	else
		437	{
		438	// maybe there is a player standing on the same mapspace
		439	// this will catch the case where "this" is a player
		440	if (object *pl = ms ().player ())
		441	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		442	|| pl->container_ () == this)
		443	return pl;
		444	}
		445	}
		446
		447	return 0;
		448	}
		449
		450	// adjust weight per container type ("of holding")
332	static sint32	451	static uint32
333	weight_adjust (object *op, sint32 weight)	452	weight_adjust_for (object *op, uint32 weight)
334	{	453	{
335	return op->type == CONTAINER	454	return op->type == CONTAINER
336	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)	455	? weight - weight * op->stats.Str / 100
337	: weight;	456	: weight;
338	}	457	}
339		458
340	/*	459	/*
341	* add_weight(object, weight) adds the specified weight to an object,	460	* subtracts, then adds, the specified weight to an object,
342	* and also updates how much the environment(s) is/are carrying.	461	* and also updates how much the environment(s) is/are carrying.
343	*/	462	*/
344	static void	463	static void
345	add_weight (object *op, sint32 weight)	464	adjust_weight (object *op, sint32 sub, sint32 add)
346	{	465	{
347	while (op)	466	while (op)
348	{	467	{
349	weight = weight_adjust (op, weight);	468	sint32 ocarrying = op->carrying;
350		469
351	op->carrying += weight;	470	op->carrying -= weight_adjust_for (op, sub);
		471	op->carrying += weight_adjust_for (op, add);
		472
		473	if (object *pl = op->visible_to ())
		474	if (pl != op) // player is handled lazily
		475	esrv_update_item (UPD_WEIGHT, pl, op);
		476
		477	sub = ocarrying;
		478	add = op->carrying;
		479
352	op = op->env;	480	op = op->env;
353	}	481	}
354	}
355
356	/*
357	* sub_weight() recursively (outwards) subtracts a number from the
358	* weight of an object (and what is carried by it's environment(s)).
359	*/
360	static void
361	sub_weight (object *op, long weight)
362	{
363	add_weight (op, -weight);
364	}	482	}
365		483
366	/*	484	/*
367	* this is a recursive function which calculates the weight	485	* this is a recursive function which calculates the weight
368	* an object is carrying. It goes through op and figures out how much	486	* an object is carrying. It goes through op and figures out how much
…		…
373	{	491	{
374	sint32 sum = 0;	492	sint32 sum = 0;
375		493
376	for (object *op = inv; op; op = op->below)	494	for (object *op = inv; op; op = op->below)
377	{	495	{
378	if (op->inv)
379	op->update_weight ();	496	op->update_weight ();
380		497
381	sum += op->total_weight ();	498	sum += weight_adjust_for (this, op->total_weight ());
		499	}
		500
		501	if (sum != carrying)
382	}	502	{
		503	if (carrying != sum && carrying)//D
		504	LOG (llevDebug, "updating carrying got %ld, expected %ld (%s)\n",
		505	(long long)sum, (long long)carrying, debug_desc ());
383		506
384	carrying = weight_adjust (this, sum);	507	carrying = sum;
385	}
386		508
		509	if (object *pl = visible_to ())
		510	if (pl != this) // player is handled lazily
		511	esrv_update_item (UPD_WEIGHT, pl, this);
		512	}
		513	}
		514
387	/*	515	/*
388	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	516	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
389	* Some error messages.
390	* The result of the dump is stored in the static global errmsg array.
391	*/	517	*/
392	char *	518	char *
393	dump_object (object *op)	519	dump_object (object *op)
394	{	520	{
395	if (!op)	521	if (!op)
…		…
398	object_freezer freezer;	524	object_freezer freezer;
399	op->write (freezer);	525	op->write (freezer);
400	return freezer.as_string ();	526	return freezer.as_string ();
401	}	527	}
402		528
403	/*	529	char *
404	* get_nearest_part(multi-object, object 2) returns the part of the	530	object::as_string ()
405	* multi-object 1 which is closest to the second object.
406	* If it's not a multi-object, it is returned.
407	*/
408	object *
409	get_nearest_part (object *op, const object *pl)
410	{	531	{
411	object *tmp, *closest;	532	return dump_object (this);
412	int last_dist, i;
413
414	if (op->more == NULL)
415	return op;
416	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
417	if ((i = distance (tmp, pl)) < last_dist)
418	closest = tmp, last_dist = i;
419	return closest;
420	}	533	}
421		534
422	/*	535	/*
423	* Returns the object which has the count-variable equal to the argument.	536	* Returns the object which has the count-variable equal to the argument.
		537	* VERRRY slow.
424	*/	538	*/
425	object *	539	object *
426	find_object (tag_t i)	540	find_object (tag_t i)
427	{	541	{
428	for_all_objects (op)	542	for_all_objects (op)
…		…
431		545
432	return 0;	546	return 0;
433	}	547	}
434		548
435	/*	549	/*
		550	* Returns the object which has the uuid equal to the argument.
		551	* MOAR VERRRY slow.
		552	*/
		553
		554	object *
		555	find_object_uuid (UUID i)
		556	{
		557	for_all_objects (op)
		558	if (op->uuid == i)
		559	return op;
		560
		561	return 0;
		562	}
		563
		564	/*
436	* Returns the first object which has a name equal to the argument.	565	* Returns the first object which has a name equal to the argument.
437	* Used only by the patch command, but not all that useful.	566	* Used only by the patch command, but not all that useful.
438	* Enables features like "patch <name-of-other-player> food 999"	567	* Enables features like "patch <name-of-other-player> food 999"
439	*/	568	*/
440	object *	569	object *
441	find_object_name (const char *str)	570	find_object_name (const char *str)
442	{	571	{
443	shstr_cmp str_ (str);	572	shstr_cmp str_ (str);
444	object *op;
445		573
		574	if (str_)
446	for_all_objects (op)	575	for_all_objects (op)
447	if (op->name == str_)	576	if (op->name == str_)
448	break;	577	return op;
449		578
450	return op;	579	return 0;
451	}	580	}
452		581
453	/*	582	/*
454	* Sets the owner and sets the skill and exp pointers to owner's current	583	* Sets the owner and sets the skill and exp pointers to owner's current
455	* skill and experience objects.	584	* skill and experience objects.
…		…
468	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());	597	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
469	return;	598	return;
470	}	599	}
471		600
472	this->owner = owner;	601	this->owner = owner;
473	}
474
475	int
476	object::slottype () const
477	{
478	if (type == SKILL)
479	{
480	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
481	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
482	}
483	else
484	{
485	if (slot [body_combat].info) return slot_combat;
486	if (slot [body_range ].info) return slot_ranged;
487	}
488
489	return slot_none;
490	}
491
492	bool
493	object::change_weapon (object *ob)
494	{
495	if (current_weapon == ob)
496	return true;
497
498	if (chosen_skill)
499	chosen_skill->flag [FLAG_APPLIED] = false;
500
501	current_weapon = ob;
502	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
503
504	if (chosen_skill)
505	chosen_skill->flag [FLAG_APPLIED] = true;
506
507	update_stats ();
508
509	if (ob)
510	{
511	// now check wether any body locations became invalid, in which case
512	// we cannot apply the weapon at the moment.
513	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
514	if (slot[i].used < 0)
515	{
516	current_weapon = chosen_skill = 0;
517	update_stats ();
518
519	new_draw_info_format (NDI_UNIQUE, 0, this,
520	"You try to balance all your items at once, "
521	"but the %s is just too much for your body. "
522	"[You need to unapply some items first.]", &ob->name);
523	return false;
524	}
525
526	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
527	}
528	else
529	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
530
531	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
532	{
533	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
534	&name, ob->debug_desc ());
535	return false;
536	}
537
538	return true;
539	}
540
541	/* Zero the key_values on op, decrementing the shared-string
542	* refcounts and freeing the links.
543	*/
544	static void
545	free_key_values (object *op)
546	{
547	for (key_value *i = op->key_values; i; )
548	{
549	key_value *next = i->next;
550	delete i;
551
552	i = next;
553	}
554
555	op->key_values = 0;
556	}
557
558	object &
559	object::operator =(const object &src)
560	{
561	bool is_freed = flag [FLAG_FREED];
562	bool is_removed = flag [FLAG_REMOVED];
563
564	*(object_copy *)this = src;
565
566	flag [FLAG_FREED] = is_freed;
567	flag [FLAG_REMOVED] = is_removed;
568
569	/* Copy over key_values, if any. */
570	if (src.key_values)
571	{
572	key_value *tail = 0;
573	key_values = 0;
574
575	for (key_value *i = src.key_values; i; i = i->next)
576	{
577	key_value *new_link = new key_value;
578
579	new_link->next = 0;
580	new_link->key = i->key;
581	new_link->value = i->value;
582
583	/* Try and be clever here, too. */
584	if (!key_values)
585	{
586	key_values = new_link;
587	tail = new_link;
588	}
589	else
590	{
591	tail->next = new_link;
592	tail = new_link;
593	}
594	}
595	}
596	}	602	}
597		603
598	/*	604	/*
599	* copy_to first frees everything allocated by the dst object,	605	* copy_to first frees everything allocated by the dst object,
600	* and then copies the contents of itself into the second	606	* and then copies the contents of itself into the second
…		…
604	* will point at garbage.	610	* will point at garbage.
605	*/	611	*/
606	void	612	void
607	object::copy_to (object *dst)	613	object::copy_to (object *dst)
608	{	614	{
609	*dst = *this;	615	dst->remove ();
		616	*(object_copy *)dst = *this;
610		617
611	if (speed < 0)	618	// maybe move to object_copy?
612	dst->speed_left -= rndm ();	619	dst->kv = kv;
613		620
614	dst->set_speed (dst->speed);	621	dst->flag [FLAG_REMOVED] = true;
		622	dst->activate ();
615	}	623	}
616		624
617	void	625	void
618	object::instantiate ()	626	object::instantiate ()
619	{	627	{
620	if (!uuid.seq) // HACK	628	if (!uuid.seq) // HACK
621	uuid = UUID::gen ();	629	uuid = UUID::gen ();
622		630
		631	// TODO: unclean state changes, should not be done in copy_to AND instantiate
		632	if (flag [FLAG_RANDOM_SPEED] && speed)
		633	speed_left = - speed - rndm (); // TODO animation
		634	else
623	speed_left = -0.1f;	635	speed_left = -1.;
		636
624	/* copy the body_info to the body_used - this is only really	637	/* copy the body_info to the body_used - this is only really
625	* need for monsters, but doesn't hurt to do it for everything.	638	* need for monsters, but doesn't hurt to do it for everything.
626	* by doing so, when a monster is created, it has good starting	639	* by doing so, when a monster is created, it has good starting
627	* values for the body_used info, so when items are created	640	* values for the body_used info, so when items are created
628	* for it, they can be properly equipped.	641	* for it, they can be properly equipped.
…		…
636	object *	649	object *
637	object::clone ()	650	object::clone ()
638	{	651	{
639	object *neu = create ();	652	object *neu = create ();
640	copy_to (neu);	653	copy_to (neu);
		654
		655	// TODO: unclean state changes, should not be done in clone AND instantiate
		656	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		657	neu->speed_left = - neu->speed - rndm (); // TODO animation
		658
		659	neu->map = map; // not copied by copy_to
641	return neu;	660	return neu;
642	}	661	}
643		662
644	/*	663	/*
645	* If an object with the IS_TURNABLE() flag needs to be turned due	664	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
647	* be called to update the face variable, _and_ how it looks on the map.	666	* be called to update the face variable, _and_ how it looks on the map.
648	*/	667	*/
649	void	668	void
650	update_turn_face (object *op)	669	update_turn_face (object *op)
651	{	670	{
652	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	671	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
653	return;	672	return;
654		673
655	SET_ANIMATION (op, op->direction);	674	SET_ANIMATION (op, op->direction);
656	update_object (op, UP_OBJ_FACE);	675	update_object (op, UP_OBJ_FACE);
657	}	676	}
…		…
662	* This function needs to be called whenever the speed of an object changes.	681	* This function needs to be called whenever the speed of an object changes.
663	*/	682	*/
664	void	683	void
665	object::set_speed (float speed)	684	object::set_speed (float speed)
666	{	685	{
667	if (flag [FLAG_FREED] && speed)
668	{
669	LOG (llevError, "Object %s is freed but has speed.\n", &name);
670	speed = 0;
671	}
672
673	this->speed = speed;	686	this->speed = speed;
674		687
675	if (has_active_speed ())	688	if (has_active_speed ())
676	activate ();	689	activate ();
677	else	690	else
…		…
696	* UP_OBJ_FACE: only the objects face has changed.	709	* UP_OBJ_FACE: only the objects face has changed.
697	*/	710	*/
698	void	711	void
699	update_object (object *op, int action)	712	update_object (object *op, int action)
700	{	713	{
701	if (op == NULL)	714	if (!op)
702	{	715	{
703	/* this should never happen */	716	/* this should never happen */
704	LOG (llevDebug, "update_object() called for NULL object.\n");	717	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
705	return;	718	return;
706	}	719	}
707		720
708	if (op->env)	721	if (!op->is_on_map ())
709	{	722	{
710	/* Animation is currently handled by client, so nothing	723	/* Animation is currently handled by client, so nothing
711	* to do in this case.	724	* to do in this case.
712	*/	725	*/
713	return;	726	return;
714	}	727	}
715
716	/* If the map is saving, don't do anything as everything is
717	* going to get freed anyways.
718	*/
719	if (!op->map || op->map->in_memory == MAP_SAVING)
720	return;
721		728
722	/* make sure the object is within map boundaries */	729	/* make sure the object is within map boundaries */
723	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	730	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
724	{	731	{
725	LOG (llevError, "update_object() called for object out of map!\n");	732	LOG (llevError, "update_object() called for object out of map!\n");
…		…
730	}	737	}
731		738
732	mapspace &m = op->ms ();	739	mapspace &m = op->ms ();
733		740
734	if (!(m.flags_ & P_UPTODATE))	741	if (!(m.flags_ & P_UPTODATE))
735	/* nop */;	742	m.update_up (); // nothing to do except copy up
736	else if (action == UP_OBJ_INSERT)	743	else if (action == UP_OBJ_INSERT)
737	{	744	{
		745	#if 0
738	// this is likely overkill, TODO: revisit (schmorp)	746	// this is likely overkill, TODO: revisit (schmorp)
739	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	747	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
740	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	748	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
741	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	749	|| (op->is_player () && !(m.flags_ & P_PLAYER))
742	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	750	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
743	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	751	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
744	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	752	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
745	|| (m.move_on | op->move_on ) != m.move_on	753	|| (m.move_on | op->move_on ) != m.move_on
746	|| (m.move_off | op->move_off ) != m.move_off	754	|| (m.move_off | op->move_off ) != m.move_off
747	|| (m.move_slow | op->move_slow) != m.move_slow	755	|| (m.move_slow | op->move_slow) != m.move_slow
748	/* This isn't perfect, but I don't expect a lot of objects to	756	/* This isn't perfect, but I don't expect a lot of objects to
749	* to have move_allow right now.	757	* have move_allow right now.
750	*/	758	*/
751	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	759	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		760	m.invalidate ();
		761	#else
752	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	762	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
753	m.flags_ = 0;	763	m.invalidate ();
		764	#endif
754	}	765	}
755	/* if the object is being removed, we can't make intelligent	766	/* if the object is being removed, we can't make intelligent
756	* decisions, because remove_ob can't really pass the object	767	* decisions, because remove_ob can't really pass the object
757	* that is being removed.	768	* that is being removed.
758	*/	769	*/
759	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	770	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
760	m.flags_ = 0;	771	m.invalidate ();
761	else if (action == UP_OBJ_FACE)	772	else if (action == UP_OBJ_FACE)
762	/* Nothing to do for that case */ ;	773	m.update_up (); // nothing to do for that case, except copy up
763	else	774	else
764	LOG (llevError, "update_object called with invalid action: %d\n", action);	775	LOG (llevError, "update_object called with invalid action: %d\n", action);
765		776
766	if (op->more)	777	if (op->more)
767	update_object (op->more, action);	778	update_object (op->more, action);
768	}	779	}
769		780
770	object::object ()	781	object::object ()
771	{	782	{
772	SET_FLAG (this, FLAG_REMOVED);	783	this->set_flag (FLAG_REMOVED);
773		784
774	expmul = 1.0;	785	//expmul = 1.0; declared const for the time being
775	face = blank_face;	786	face = blank_face;
		787	material = MATERIAL_NULL;
776	}	788	}
777		789
778	object::~object ()	790	object::~object ()
779	{	791	{
780	unlink ();	792	unlink ();
781		793
782	free_key_values (this);	794	kv.clear ();
783	}	795	}
784
785	static int object_count;
786		796
787	void object::link ()	797	void object::link ()
788	{	798	{
789	assert (!index);//D	799	assert (!index);//D
790	uuid = UUID::gen ();	800	uuid = UUID::gen ();
791	count = ++object_count;
792		801
793	refcnt_inc ();	802	refcnt_inc ();
794	objects.insert (this);	803	objects.insert (this);
		804
		805	++create_count;
		806
795	}	807	}
796		808
797	void object::unlink ()	809	void object::unlink ()
798	{	810	{
799	if (!index)	811	if (!index)
800	return;	812	return;
		813
		814	++destroy_count;
801		815
802	objects.erase (this);	816	objects.erase (this);
803	refcnt_dec ();	817	refcnt_dec ();
804	}	818	}
805		819
…		…
809	/* If already on active list, don't do anything */	823	/* If already on active list, don't do anything */
810	if (active)	824	if (active)
811	return;	825	return;
812		826
813	if (has_active_speed ())	827	if (has_active_speed ())
		828	{
		829	if (flag [FLAG_FREED])
		830	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		831
814	actives.insert (this);	832	actives.insert (this);
		833	}
815	}	834	}
816		835
817	void	836	void
818	object::activate_recursive ()	837	object::activate_recursive ()
819	{	838	{
…		…
868	object::destroy_inv (bool drop_to_ground)	887	object::destroy_inv (bool drop_to_ground)
869	{	888	{
870	// need to check first, because the checks below might segfault	889	// need to check first, because the checks below might segfault
871	// as we might be on an invalid mapspace and crossfire code	890	// as we might be on an invalid mapspace and crossfire code
872	// is too buggy to ensure that the inventory is empty.	891	// is too buggy to ensure that the inventory is empty.
873	// corollary: if you create arrows etc. with stuff in tis inventory,	892	// corollary: if you create arrows etc. with stuff in its inventory,
874	// cf will crash below with off-map x and y	893	// cf will crash below with off-map x and y
875	if (!inv)	894	if (!inv)
876	return;	895	return;
877		896
878	/* Only if the space blocks everything do we not process -	897	/* Only if the space blocks everything do we not process -
879	* if some form of movement is allowed, let objects	898	* if some form of movement is allowed, let objects
880	* drop on that space.	899	* drop on that space.
881	*/	900	*/
882	if (!drop_to_ground	901	if (!drop_to_ground
883	|| !map	902	|| !map
884	|| map->in_memory != MAP_ACTIVE	903	|| !map->linkable ()
885	|| map->nodrop	904	|| map->no_drop
886	|| ms ().move_block == MOVE_ALL)	905	|| ms ().move_block == MOVE_ALL)
887	{	906	{
888	while (inv)	907	while (inv)
889	{
890	inv->destroy_inv (drop_to_ground);
891	inv->destroy ();	908	inv->destroy ();
892	}
893	}	909	}
894	else	910	else
895	{ /* Put objects in inventory onto this space */	911	{ /* Put objects in inventory onto this space */
896	while (inv)	912	while (inv)
897	{	913	{
…		…
908	map->insert (op, x, y);	924	map->insert (op, x, y);
909	}	925	}
910	}	926	}
911	}	927	}
912		928
		929	/*
		930	* Remove and free all objects in the inventory of the given object.
		931	* Unlike destroy_inv, this assumes the *this is destroyed as well
		932	* well, so we can (and have to!) take shortcuts.
		933	*/
		934	void
		935	object::destroy_inv_fast ()
		936	{
		937	while (object *op = inv)
		938	{
		939	// remove from object the fast way
		940	op->flag [FLAG_REMOVED] = true;
		941	op->env = 0;
		942	if ((inv = inv->below))
		943	inv->above = 0;
		944
		945	// then destroy
		946	op->destroy ();
		947	}
		948	}
		949
		950	void
		951	object::freelist_free (int count)
		952	{
		953	while (count-- && freelist)
		954	{
		955	freelist_item *next = freelist->next;
		956	// count is being "destroyed"
		957
		958	sfree ((char *)freelist, sizeof (object));
		959
		960	freelist = next;
		961	--free_count;
		962	}
		963	}
		964
		965	object *
913	object *object::create ()	966	object::create ()
914	{	967	{
915	object *op = new object;	968	object *op;
		969
		970	if (freelist)
		971	{
		972	freelist_item li = *freelist;
		973	memset (freelist, 0, sizeof (object));
		974
		975	op = new (freelist) object;
		976	op->count = li.count;
		977
		978	freelist = li.next;
		979	--free_count;
		980	}
		981	else
		982	{
		983	void *ni = salloc0<char> (sizeof (object));
		984
		985	op = new(ni) object;
		986
		987	op->count = ++object_count;
		988	}
		989
916	op->link ();	990	op->link ();
		991
917	return op;	992	return op;
918	}	993	}
919		994
920	void	995	void
		996	object::do_delete ()
		997	{
		998	uint32_t count = this->count;
		999
		1000	this->~object ();
		1001
		1002	freelist_item *li = (freelist_item *)this;
		1003	li->next = freelist;
		1004	li->count = count;
		1005
		1006	freelist = li;
		1007	++free_count;
		1008	}
		1009
		1010	void
921	object::do_destroy ()	1011	object::do_destroy ()
922	{	1012	{
923	attachable::do_destroy ();
924
925	if (flag [FLAG_IS_LINKED])	1013	if (flag [FLAG_IS_LINKED])
926	remove_button_link (this);	1014	remove_link ();
927		1015
928	if (flag [FLAG_FRIENDLY])	1016	if (flag [FLAG_FRIENDLY])
929	remove_friendly_object (this);	1017	remove_friendly_object (this);
930		1018
931	if (!flag [FLAG_REMOVED])
932	remove ();	1019	remove ();
933		1020
934	destroy_inv (true);	1021	attachable::do_destroy ();
935		1022
936	deactivate ();	1023	deactivate ();
937	unlink ();	1024	unlink ();
938		1025
939	flag [FLAG_FREED] = 1;	1026	flag [FLAG_FREED] = 1;
940		1027
941	// hack to ensure that freed objects still have a valid map	1028	// hack to ensure that freed objects still have a valid map
942	{
943	static maptile *freed_map; // freed objects are moved here to avoid crashes
944
945	if (!freed_map)
946	{
947	freed_map = new maptile;
948
949	freed_map->path = "<freed objects map>";
950	freed_map->name = "/internal/freed_objects_map";
951	freed_map->width = 3;
952	freed_map->height = 3;
953	freed_map->nodrop = 1;
954
955	freed_map->alloc ();
956	freed_map->in_memory = MAP_ACTIVE;
957	}
958
959	map = freed_map;	1029	map = &freed_map;
960	x = 1;	1030	x = 1;
961	y = 1;	1031	y = 1;
962	}
963		1032
964	if (more)	1033	if (more)
965	{	1034	{
966	more->destroy ();	1035	more->destroy ();
967	more = 0;	1036	more = 0;
…		…
975	attacked_by = 0;	1044	attacked_by = 0;
976	current_weapon = 0;	1045	current_weapon = 0;
977	}	1046	}
978		1047
979	void	1048	void
980	object::destroy (bool destroy_inventory)	1049	object::destroy ()
981	{	1050	{
982	if (destroyed ())	1051	if (destroyed ())
983	return;	1052	return;
984		1053
985	if (destroy_inventory)	1054	if (!is_head () && !head->destroyed ())
		1055	{
		1056	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1057	head->destroy ();
		1058	return;
		1059	}
		1060
986	destroy_inv (false);	1061	destroy_inv_fast ();
987		1062
988	if (is_head ())	1063	if (is_head ())
989	if (sound_destroy)	1064	if (sound_destroy)
990	play_sound (sound_destroy);	1065	play_sound (sound_destroy);
991	else if (flag [FLAG_MONSTER])	1066	else if (flag [FLAG_MONSTER])
…		…
1002	* the previous environment.	1077	* the previous environment.
1003	*/	1078	*/
1004	void	1079	void
1005	object::do_remove ()	1080	object::do_remove ()
1006	{	1081	{
1007	object *tmp, *last = 0;	1082	if (flag [FLAG_REMOVED])
1008	object *otmp;
1009
1010	if (QUERY_FLAG (this, FLAG_REMOVED))
1011	return;	1083	return;
1012		1084
1013	SET_FLAG (this, FLAG_REMOVED);
1014	INVOKE_OBJECT (REMOVE, this);	1085	INVOKE_OBJECT (REMOVE, this);
		1086
		1087	flag [FLAG_REMOVED] = true;
1015		1088
1016	if (more)	1089	if (more)
1017	more->remove ();	1090	more->remove ();
1018		1091
1019	/*	1092	/*
1020	* In this case, the object to be removed is in someones	1093	* In this case, the object to be removed is in someones
1021	* inventory.	1094	* inventory.
1022	*/	1095	*/
1023	if (env)	1096	if (env)
1024	{	1097	{
1025	if (nrof)	1098	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1026	sub_weight (env, weight * nrof);	1099	if (object *pl = visible_to ())
1027	else	1100	esrv_del_item (pl->contr, count);
1028	sub_weight (env, weight + carrying);	1101	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1029		1102
1030	/* NO_FIX_PLAYER is set when a great many changes are being	1103	adjust_weight (env, total_weight (), 0);
1031	* made to players inventory. If set, avoiding the call
1032	* to save cpu time.
1033	*/
1034	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1035	otmp->update_stats ();
1036		1104
1037	if (above)	1105	object *pl = in_player ();
1038	above->below = below;
1039	else
1040	env->inv = below;
1041
1042	if (below)
1043	below->above = above;
1044		1106
1045	/* we set up values so that it could be inserted into	1107	/* we set up values so that it could be inserted into
1046	* the map, but we don't actually do that - it is up	1108	* the map, but we don't actually do that - it is up
1047	* to the caller to decide what we want to do.	1109	* to the caller to decide what we want to do.
1048	*/	1110	*/
1049	x = env->x, y = env->y;
1050	map = env->map;	1111	map = env->map;
1051	above = 0, below = 0;	1112	x = env->x;
		1113	y = env->y;
		1114
		1115	// make sure cmov optimisation is applicable
		1116	*(above ? &above->below : &env->inv) = below;
		1117	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1118
		1119	above = 0;
		1120	below = 0;
1052	env = 0;	1121	env = 0;
		1122
		1123	if (pl && pl->is_player ())
		1124	{
		1125	if (expect_false (pl->contr->combat_ob == this))
		1126	{
		1127	pl->apply (pl->contr->combat_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1128	pl->contr->combat_ob = 0;
		1129	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1130	}
		1131
		1132	if (expect_false (pl->contr->ranged_ob == this))
		1133	{
		1134	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1135	pl->contr->ranged_ob = 0;
		1136	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1137	}
		1138
		1139	pl->contr->queue_stats_update ();
		1140
		1141	if (expect_false (glow_radius) && pl->is_on_map ())
		1142	update_all_los (pl->map, pl->x, pl->y);
		1143	}
1053	}	1144	}
1054	else if (map)	1145	else if (map)
1055	{	1146	{
1056	if (type == PLAYER)
1057	{
1058	// leaving a spot always closes any open container on the ground
1059	if (container && !container->env)
1060	// this causes spurious floorbox updates, but it ensures
1061	// that the CLOSE event is being sent.
1062	close_container ();
1063
1064	--map->players;
1065	map->touch ();
1066	}
1067
1068	map->dirty = true;	1147	map->dirty = true;
1069	mapspace &ms = this->ms ();	1148	mapspace &ms = this->ms ();
1070		1149
		1150	if (object *pl = ms.player ())
		1151	{
		1152	if (is_player ())
		1153	{
		1154	if (!flag [FLAG_WIZPASS])
		1155	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1156
		1157	// leaving a spot always closes any open container on the ground
		1158	if (container && !container->env)
		1159	// this causes spurious floorbox updates, but it ensures
		1160	// that the CLOSE event is being sent.
		1161	close_container ();
		1162
		1163	--map->players;
		1164	map->touch ();
		1165	}
		1166	else if (pl->container_ () == this)
		1167	{
		1168	// removing a container should close it
		1169	close_container ();
		1170	}
		1171	else
		1172	esrv_del_item (pl->contr, count);
		1173	}
		1174
1071	/* link the object above us */	1175	/* link the object above us */
1072	if (above)	1176	// re-link, make sure compiler can easily use cmove
1073	above->below = below;	1177	*(above ? &above->below : &ms.top) = below;
1074	else	1178	*(below ? &below->above : &ms.bot) = above;
1075	ms.top = below; /* we were top, set new top */
1076
1077	/* Relink the object below us, if there is one */
1078	if (below)
1079	below->above = above;
1080	else
1081	{
1082	/* Nothing below, which means we need to relink map object for this space
1083	* use translated coordinates in case some oddness with map tiling is
1084	* evident
1085	*/
1086	if (GET_MAP_OB (map, x, y) != this)
1087	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 ());
1088
1089	ms.bot = above; /* goes on above it. */
1090	}
1091		1179
1092	above = 0;	1180	above = 0;
1093	below = 0;	1181	below = 0;
1094		1182
1095	if (map->in_memory == MAP_SAVING)	1183	ms.invalidate ();
1096	return;
1097		1184
1098	int check_walk_off = !flag [FLAG_NO_APPLY];	1185	int check_walk_off = !flag [FLAG_NO_APPLY];
1099		1186
1100	if (object *pl = ms.player ())	1187	if (object *pl = ms.player ())
1101	{	1188	{
1102	if (pl->container == this)	1189	if (pl->container_ () == this)
1103	/* If a container that the player is currently using somehow gets	1190	/* If a container that the player is currently using somehow gets
1104	* removed (most likely destroyed), update the player view	1191	* removed (most likely destroyed), update the player view
1105	* appropriately.	1192	* appropriately.
1106	*/	1193	*/
1107	pl->close_container ();	1194	pl->close_container ();
1108		1195
		1196	//TODO: the floorbox prev/next might need updating
		1197	//esrv_del_item (pl->contr, count);
		1198	//TODO: update floorbox to preserve ordering
		1199	if (pl->contr->ns)
1109	pl->contr->ns->floorbox_update ();	1200	pl->contr->ns->floorbox_update ();
1110	}	1201	}
1111		1202
		1203	if (check_walk_off)
1112	for (tmp = ms.bot; tmp; tmp = tmp->above)	1204	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1113	{	1205	{
		1206	above = tmp->above;
		1207
1114	/* No point updating the players look faces if he is the object	1208	/* No point updating the players look faces if he is the object
1115	* being removed.	1209	* being removed.
1116	*/	1210	*/
1117		1211
1118	/* See if object moving off should effect something */	1212	/* See if object moving off should effect something */
1119	if (check_walk_off
1120	&& ((move_type & tmp->move_off)	1213	if ((move_type & tmp->move_off)
1121	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1214	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1122	{
1123	move_apply (tmp, this, 0);	1215	move_apply (tmp, this, 0);
1124
1125	if (destroyed ())
1126	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1127	}	1216	}
1128		1217
1129	last = tmp;	1218	if (affects_los ())
1130	}
1131
1132	/* last == NULL if there are no objects on this space */
1133	//TODO: this makes little sense, why only update the topmost object?
1134	if (!last)
1135	map->at (x, y).flags_ = 0;
1136	else
1137	update_object (last, UP_OBJ_REMOVE);
1138
1139	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1140	update_all_los (map, x, y);	1219	update_all_los (map, x, y);
1141	}	1220	}
1142	}	1221	}
1143		1222
1144	/*	1223	/*
…		…
1158	if (!top)	1237	if (!top)
1159	for (top = op; top && top->above; top = top->above)	1238	for (top = op; top && top->above; top = top->above)
1160	;	1239	;
1161		1240
1162	for (; top; top = top->below)	1241	for (; top; top = top->below)
1163	{
1164	if (top == op)
1165	continue;
1166
1167	if (object::can_merge (op, top))	1242	if (object::can_merge (op, top))
1168	{	1243	{
1169	top->nrof += op->nrof;	1244	top->nrof += op->nrof;
1170		1245
1171	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1246	if (object *pl = top->visible_to ())
1172	op->weight = 0; /* Don't want any adjustements now */	1247	esrv_update_item (UPD_NROF, pl, top);
		1248
		1249	op->weight = 0; // cancel the addition above
		1250	op->carrying = 0; // must be 0 already
		1251
1173	op->destroy ();	1252	op->destroy ();
		1253
1174	return top;	1254	return top;
1175	}	1255	}
1176	}
1177		1256
1178	return 0;	1257	return 0;
1179	}	1258	}
1180		1259
1181	void	1260	void
…		…
1186		1265
1187	object *prev = this;	1266	object *prev = this;
1188		1267
1189	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1268	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1190	{	1269	{
1191	object *op = arch_to_object (at);	1270	object *op = at->instance ();
1192		1271
1193	op->name = name;	1272	op->name = name;
1194	op->name_pl = name_pl;	1273	op->name_pl = name_pl;
1195	op->title = title;	1274	op->title = title;
1196		1275
…		…
1206	* job preparing multi-part monsters.	1285	* job preparing multi-part monsters.
1207	*/	1286	*/
1208	object *	1287	object *
1209	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1288	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1210	{	1289	{
		1290	op->remove ();
		1291
1211	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1292	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1212	{	1293	{
1213	tmp->x = x + tmp->arch->x;	1294	tmp->x = x + tmp->arch->x;
1214	tmp->y = y + tmp->arch->y;	1295	tmp->y = y + tmp->arch->y;
1215	}	1296	}
…		…
1232	* Passing 0 for flag gives proper default values, so flag really only needs	1313	* Passing 0 for flag gives proper default values, so flag really only needs
1233	* to be set if special handling is needed.	1314	* to be set if special handling is needed.
1234	*	1315	*
1235	* Return value:	1316	* Return value:
1236	* new object if 'op' was merged with other object	1317	* new object if 'op' was merged with other object
1237	* NULL if 'op' was destroyed	1318	* NULL if there was an error (destroyed, blocked etc.)
1238	* just 'op' otherwise	1319	* just 'op' otherwise
1239	*/	1320	*/
1240	object *	1321	object *
1241	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1322	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1242	{	1323	{
1243	assert (!op->flag [FLAG_FREED]);
1244
1245	object *top, *floor = NULL;
1246
1247	op->remove ();	1324	op->remove ();
		1325
		1326	if (m == &freed_map)//D TODO: remove soon
		1327	{//D
		1328	LOG (llevError | logBacktrace, "tries to insert object on freed objects map: %s", op->debug_desc ());//D
		1329	}//D
1248		1330
1249	/* Ideally, the caller figures this out. However, it complicates a lot	1331	/* Ideally, the caller figures this out. However, it complicates a lot
1250	* of areas of callers (eg, anything that uses find_free_spot would now	1332	* of areas of callers (eg, anything that uses find_free_spot would now
1251	* need extra work	1333	* need extra work
1252	*/	1334	*/
		1335	maptile *newmap = m;
1253	if (!xy_normalise (m, op->x, op->y))	1336	if (!xy_normalise (newmap, op->x, op->y))
1254	{	1337	{
1255	op->destroy ();	1338	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1256	return 0;	1339	return 0;
1257	}	1340	}
1258		1341
1259	if (object *more = op->more)	1342	if (object *more = op->more)
1260	if (!insert_ob_in_map (more, m, originator, flag))	1343	if (!insert_ob_in_map (more, m, originator, flag))
1261	return 0;	1344	return 0;
1262		1345
1263	CLEAR_FLAG (op, FLAG_REMOVED);	1346	op->flag [FLAG_REMOVED] = false;
1264		1347	op->env = 0;
1265	op->map = m;	1348	op->map = newmap;
		1349
1266	mapspace &ms = op->ms ();	1350	mapspace &ms = op->ms ();
1267		1351
1268	/* this has to be done after we translate the coordinates.	1352	/* this has to be done after we translate the coordinates.
1269	*/	1353	*/
1270	if (op->nrof && !(flag & INS_NO_MERGE))	1354	if (op->nrof && !(flag & INS_NO_MERGE))
1271	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1355	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1272	if (object::can_merge (op, tmp))	1356	if (object::can_merge (op, tmp))
1273	{	1357	{
		1358	// TODO: we actually want to update tmp, not op,
		1359	// but some caller surely breaks when we return tmp
		1360	// from here :/
1274	op->nrof += tmp->nrof;	1361	op->nrof += tmp->nrof;
1275	tmp->destroy ();	1362	tmp->destroy ();
1276	}	1363	}
1277		1364
1278	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1365	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1279	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1366	op->clr_flag (FLAG_INV_LOCKED);
1280		1367
1281	if (!QUERY_FLAG (op, FLAG_ALIVE))	1368	if (!op->flag [FLAG_ALIVE])
1282	CLEAR_FLAG (op, FLAG_NO_STEAL);	1369	op->clr_flag (FLAG_NO_STEAL);
1283		1370
1284	if (flag & INS_BELOW_ORIGINATOR)	1371	if (flag & INS_BELOW_ORIGINATOR)
1285	{	1372	{
1286	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1373	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1287	{	1374	{
1288	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1375	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1289	abort ();	1376	abort ();
1290	}	1377	}
1291		1378
		1379	if (!originator->is_on_map ())
		1380	{
		1381	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1382	op->debug_desc (), originator->debug_desc ());
		1383	abort ();
		1384	}
		1385
1292	op->above = originator;	1386	op->above = originator;
1293	op->below = originator->below;	1387	op->below = originator->below;
1294
1295	if (op->below)
1296	op->below->above = op;
1297	else
1298	ms.bot = op;
1299
1300	/* since *below* originator, no need to update top */
1301	originator->below = op;	1388	originator->below = op;
		1389
		1390	*(op->below ? &op->below->above : &ms.bot) = op;
1302	}	1391	}
1303	else	1392	else
1304	{	1393	{
1305	top = ms.bot;	1394	object *floor = 0;
		1395	object *top = ms.top;
1306		1396
1307	/* If there are other objects, then */	1397	/* If there are other objects, then */
1308	if (top)	1398	if (top)
1309	{	1399	{
1310	object *last = 0;
1311
1312	/*	1400	/*
1313	* If there are multiple objects on this space, we do some trickier handling.	1401	* If there are multiple objects on this space, we do some trickier handling.
1314	* We've already dealt with merging if appropriate.	1402	* We've already dealt with merging if appropriate.
1315	* Generally, we want to put the new object on top. But if	1403	* Generally, we want to put the new object on top. But if
1316	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1404	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1319	* once we get to them. This reduces the need to traverse over all of	1407	* once we get to them. This reduces the need to traverse over all of
1320	* them when adding another one - this saves quite a bit of cpu time	1408	* them when adding another one - this saves quite a bit of cpu time
1321	* when lots of spells are cast in one area. Currently, it is presumed	1409	* when lots of spells are cast in one area. Currently, it is presumed
1322	* that flying non pickable objects are spell objects.	1410	* that flying non pickable objects are spell objects.
1323	*/	1411	*/
1324	for (top = ms.bot; top; top = top->above)	1412	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1325	{	1413	{
1326	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1414	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1327	floor = top;	1415	floor = tmp;
1328		1416
1329	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1417	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1330	{	1418	{
1331	/* We insert above top, so we want this object below this */	1419	/* We insert above top, so we want this object below this */
1332	top = top->below;	1420	top = tmp->below;
1333	break;	1421	break;
1334	}	1422	}
1335		1423
1336	last = top;	1424	top = tmp;
1337	}	1425	}
1338
1339	/* Don't want top to be NULL, so set it to the last valid object */
1340	top = last;
1341		1426
1342	/* We let update_position deal with figuring out what the space	1427	/* We let update_position deal with figuring out what the space
1343	* looks like instead of lots of conditions here.	1428	* looks like instead of lots of conditions here.
1344	* makes things faster, and effectively the same result.	1429	* makes things faster, and effectively the same result.
1345	*/	1430	*/
…		…
1352	*/	1437	*/
1353	if (!(flag & INS_ON_TOP)	1438	if (!(flag & INS_ON_TOP)
1354	&& ms.flags () & P_BLOCKSVIEW	1439	&& ms.flags () & P_BLOCKSVIEW
1355	&& (op->face && !faces [op->face].visibility))	1440	&& (op->face && !faces [op->face].visibility))
1356	{	1441	{
		1442	object *last;
		1443
1357	for (last = top; last != floor; last = last->below)	1444	for (last = top; last != floor; last = last->below)
1358	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1445	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1359	break;	1446	break;
1360		1447
1361	/* Check to see if we found the object that blocks view,	1448	/* Check to see if we found the object that blocks view,
1362	* and make sure we have a below pointer for it so that	1449	* and make sure we have a below pointer for it so that
1363	* we can get inserted below this one, which requires we	1450	* we can get inserted below this one, which requires we
…		…
1369	} /* If objects on this space */	1456	} /* If objects on this space */
1370		1457
1371	if (flag & INS_ABOVE_FLOOR_ONLY)	1458	if (flag & INS_ABOVE_FLOOR_ONLY)
1372	top = floor;	1459	top = floor;
1373		1460
1374	/* Top is the object that our object (op) is going to get inserted above.	1461	// insert object above top, or bottom-most if top = 0
1375	*/
1376
1377	/* First object on this space */
1378	if (!top)	1462	if (!top)
1379	{	1463	{
		1464	op->below = 0;
1380	op->above = ms.bot;	1465	op->above = ms.bot;
1381
1382	if (op->above)
1383	op->above->below = op;
1384
1385	op->below = 0;
1386	ms.bot = op;	1466	ms.bot = op;
		1467
		1468	*(op->above ? &op->above->below : &ms.top) = op;
1387	}	1469	}
1388	else	1470	else
1389	{ /* get inserted into the stack above top */	1471	{
1390	op->above = top->above;	1472	op->above = top->above;
1391
1392	if (op->above)
1393	op->above->below = op;	1473	top->above = op;
1394		1474
1395	op->below = top;	1475	op->below = top;
1396	top->above = op;	1476	*(op->above ? &op->above->below : &ms.top) = op;
1397	}	1477	}
		1478	}
1398		1479
1399	if (!op->above)	1480	if (op->is_player ())
1400	ms.top = op;
1401	} /* else not INS_BELOW_ORIGINATOR */
1402
1403	if (op->type == PLAYER)
1404	{	1481	{
1405	op->contr->do_los = 1;	1482	op->contr->do_los = 1;
1406	++op->map->players;	1483	++op->map->players;
1407	op->map->touch ();	1484	op->map->touch ();
1408	}	1485	}
1409		1486
1410	op->map->dirty = true;	1487	op->map->dirty = true;
1411		1488
1412	if (object *pl = ms.player ())	1489	if (object *pl = ms.player ())
		1490	//TODO: the floorbox prev/next might need updating
		1491	//esrv_send_item (pl, op);
		1492	//TODO: update floorbox to preserve ordering
		1493	if (pl->contr->ns)
1413	pl->contr->ns->floorbox_update ();	1494	pl->contr->ns->floorbox_update ();
1414		1495
1415	/* If this object glows, it may affect lighting conditions that are	1496	/* If this object glows, it may affect lighting conditions that are
1416	* visible to others on this map. But update_all_los is really	1497	* visible to others on this map. But update_all_los is really
1417	* an inefficient way to do this, as it means los for all players	1498	* an inefficient way to do this, as it means los for all players
1418	* on the map will get recalculated. The players could very well	1499	* on the map will get recalculated. The players could very well
1419	* be far away from this change and not affected in any way -	1500	* be far away from this change and not affected in any way -
1420	* this should get redone to only look for players within range,	1501	* this should get redone to only look for players within range,
1421	* or just updating the P_UPTODATE for spaces within this area	1502	* or just updating the P_UPTODATE for spaces within this area
1422	* of effect may be sufficient.	1503	* of effect may be sufficient.
1423	*/	1504	*/
1424	if (op->map->darkness && (op->glow_radius != 0))	1505	if (op->affects_los ())
		1506	{
		1507	op->ms ().invalidate ();
1425	update_all_los (op->map, op->x, op->y);	1508	update_all_los (op->map, op->x, op->y);
		1509	}
1426		1510
1427	/* updates flags (blocked, alive, no magic, etc) for this map space */	1511	/* updates flags (blocked, alive, no magic, etc) for this map space */
1428	update_object (op, UP_OBJ_INSERT);	1512	update_object (op, UP_OBJ_INSERT);
1429		1513
1430	INVOKE_OBJECT (INSERT, op);	1514	INVOKE_OBJECT (INSERT, op);
…		…
1437	* blocked() and wall() work properly), and these flags are updated by	1521	* blocked() and wall() work properly), and these flags are updated by
1438	* update_object().	1522	* update_object().
1439	*/	1523	*/
1440		1524
1441	/* if this is not the head or flag has been passed, don't check walk on status */	1525	/* if this is not the head or flag has been passed, don't check walk on status */
1442	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1526	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1443	{	1527	{
1444	if (check_move_on (op, originator))	1528	if (check_move_on (op, originator, flag))
1445	return 0;	1529	return 0;
1446		1530
1447	/* If we are a multi part object, lets work our way through the check	1531	/* If we are a multi part object, let's work our way through the check
1448	* walk on's.	1532	* walk on's.
1449	*/	1533	*/
1450	for (object *tmp = op->more; tmp; tmp = tmp->more)	1534	for (object *tmp = op->more; tmp; tmp = tmp->more)
1451	if (check_move_on (tmp, originator))	1535	if (check_move_on (tmp, originator, flag))
1452	return 0;	1536	return 0;
1453	}	1537	}
1454		1538
1455	return op;	1539	return op;
1456	}	1540	}
…		…
1458	/* this function inserts an object in the map, but if it	1542	/* this function inserts an object in the map, but if it
1459	* finds an object of its own type, it'll remove that one first.	1543	* finds an object of its own type, it'll remove that one first.
1460	* op is the object to insert it under: supplies x and the map.	1544	* op is the object to insert it under: supplies x and the map.
1461	*/	1545	*/
1462	void	1546	void
1463	replace_insert_ob_in_map (const char *arch_string, object *op)	1547	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1464	{	1548	{
1465	object *tmp, *tmp1;
1466
1467	/* first search for itself and remove any old instances */	1549	/* first search for itself and remove any old instances */
1468		1550
1469	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1551	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1470	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1552	if (tmp->arch->archname == archname) /* same archetype */
1471	tmp->destroy ();	1553	tmp->destroy ();
1472		1554
1473	tmp1 = arch_to_object (archetype::find (arch_string));	1555	object *tmp = archetype::find (archname)->instance ();
1474		1556
1475	tmp1->x = op->x;	1557	tmp->x = op->x;
1476	tmp1->y = op->y;	1558	tmp->y = op->y;
		1559
1477	insert_ob_in_map (tmp1, op->map, op, 0);	1560	insert_ob_in_map (tmp, op->map, op, 0);
1478	}	1561	}
1479		1562
1480	object *	1563	object *
1481	object::insert_at (object *where, object *originator, int flags)	1564	object::insert_at (object *where, object *originator, int flags)
1482	{	1565	{
…		…
1484	return where->env->insert (this);	1567	return where->env->insert (this);
1485	else	1568	else
1486	return where->map->insert (this, where->x, where->y, originator, flags);	1569	return where->map->insert (this, where->x, where->y, originator, flags);
1487	}	1570	}
1488		1571
1489	/*	1572	// check whether we can put this into the map, respect max_volume, max_items
1490	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1573	bool
1491	* is returned contains nr objects, and the remaining parts contains	1574	object::can_drop_at (maptile *m, int x, int y, object *originator)
1492	* the rest (or is removed and freed if that number is 0).
1493	* On failure, NULL is returned, and the reason put into the
1494	* global static errmsg array.
1495	*/
1496	object *
1497	get_split_ob (object *orig_ob, uint32 nr)
1498	{	1575	{
1499	object *newob;	1576	mapspace &ms = m->at (x, y);
1500	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1501		1577
1502	if (orig_ob->nrof < nr)	1578	int items = ms.items ();
1503	{
1504	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1505	return NULL;
1506	}
1507		1579
1508	newob = object_create_clone (orig_ob);	1580	if (!items // testing !items ensures we can drop at least one item
		1581	|| (items < m->max_items
		1582	&& ms.volume () < m->max_volume))
		1583	return true;
1509		1584
1510	if ((orig_ob->nrof -= nr) < 1)	1585	if (originator && originator->is_player ())
1511	orig_ob->destroy (1);	1586	originator->contr->failmsgf (
1512	else if (!is_removed)	1587	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1513	{	1588	query_name ()
1514	if (orig_ob->env != NULL)	1589	);
1515	sub_weight (orig_ob->env, orig_ob->weight * nr);
1516	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_ACTIVE)
1517	{
1518	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1519	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1520	return NULL;
1521	}
1522	}
1523		1590
1524	newob->nrof = nr;	1591	return false;
1525
1526	return newob;
1527	}	1592	}
1528		1593
1529	/*	1594	/*
1530	* decrease_ob_nr(object, number) decreases a specified number from	1595	* decrease(object, number) decreases a specified number from
1531	* the amount of an object. If the amount reaches 0, the object	1596	* the amount of an object. If the amount reaches 0, the object
1532	* is subsequently removed and freed.	1597	* is subsequently removed and freed.
1533	*	1598	*
1534	* Return value: 'op' if something is left, NULL if the amount reached 0	1599	* Return value: 'op' if something is left, NULL if the amount reached 0
1535	*/	1600	*/
		1601	bool
		1602	object::decrease (sint32 nr)
		1603	{
		1604	if (!nr)
		1605	return true;
		1606
		1607	nr = min (nr, nrof);
		1608
		1609	if (nrof > nr)
		1610	{
		1611	sint64 oweight = total_weight ();
		1612
		1613	nrof -= nr;
		1614
		1615	if (object *pl = visible_to ())
		1616	esrv_update_item (UPD_NROF, pl, this);
		1617
		1618	adjust_weight (env, oweight, total_weight ());
		1619
		1620	return true;
		1621	}
		1622	else
		1623	{
		1624	destroy ();
		1625	return false;
		1626	}
		1627	}
		1628
		1629	/*
		1630	* split(ob,nr) splits up ob into two parts. The part which
		1631	* is returned contains nr objects, and the remaining parts contains
		1632	* the rest (or is removed and returned if that number is 0).
		1633	* On failure, NULL is returned.
		1634	*/
1536	object *	1635	object *
1537	decrease_ob_nr (object *op, uint32 i)	1636	object::split (sint32 nr)
1538	{	1637	{
1539	object *tmp;	1638	int have = number_of ();
1540		1639
1541	if (i == 0) /* objects with op->nrof require this check */	1640	if (have < nr)
1542	return op;	1641	return 0;
1543		1642	else if (have == nr)
1544	if (i > op->nrof)
1545	i = op->nrof;
1546
1547	if (QUERY_FLAG (op, FLAG_REMOVED))
1548	op->nrof -= i;
1549	else if (op->env)
1550	{	1643	{
1551	/* is this object in the players inventory, or sub container
1552	* therein?
1553	*/
1554	tmp = op->in_player ();
1555	/* nope. Is this a container the player has opened?
1556	* If so, set tmp to that player.
1557	* IMO, searching through all the players will mostly
1558	* likely be quicker than following op->env to the map,
1559	* and then searching the map for a player.
1560	*/
1561	if (!tmp)
1562	for_all_players (pl)
1563	if (pl->ob->container == op->env)
1564	{
1565	tmp = pl->ob;
1566	break;
1567	}
1568
1569	if (i < op->nrof)
1570	{
1571	sub_weight (op->env, op->weight * i);
1572	op->nrof -= i;
1573	if (tmp)
1574	esrv_send_item (tmp, op);
1575	}
1576	else
1577	{
1578	op->remove ();	1644	remove ();
1579	op->nrof = 0;	1645	return this;
1580	if (tmp)
1581	esrv_del_item (tmp->contr, op->count);
1582	}
1583	}	1646	}
1584	else	1647	else
1585	{	1648	{
1586	object *above = op->above;	1649	decrease (nr);
1587		1650
1588	if (i < op->nrof)	1651	object *op = deep_clone ();
1589	op->nrof -= i;	1652	op->nrof = nr;
1590	else
1591	{
1592	op->remove ();
1593	op->nrof = 0;
1594	}
1595
1596	/* Since we just removed op, op->above is null */
1597	for (tmp = above; tmp; tmp = tmp->above)
1598	if (tmp->type == PLAYER)
1599	{
1600	if (op->nrof)
1601	esrv_send_item (tmp, op);
1602	else
1603	esrv_del_item (tmp->contr, op->count);
1604	}
1605	}
1606
1607	if (op->nrof)
1608	return op;	1653	return op;
1609	else
1610	{
1611	op->destroy ();
1612	return 0;
1613	}	1654	}
1614	}	1655	}
1615		1656
1616	object *	1657	object *
1617	insert_ob_in_ob (object *op, object *where)	1658	insert_ob_in_ob (object *op, object *where)
…		…
1642	* be != op, if items are merged. -Tero	1683	* be != op, if items are merged. -Tero
1643	*/	1684	*/
1644	object *	1685	object *
1645	object::insert (object *op)	1686	object::insert (object *op)
1646	{	1687	{
1647	if (!QUERY_FLAG (op, FLAG_REMOVED))
1648	op->remove ();
1649
1650	if (op->more)	1688	if (op->more)
1651	{	1689	{
1652	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1690	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1653	return op;	1691	return op;
1654	}	1692	}
1655		1693
1656	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1694	op->remove ();
1657	CLEAR_FLAG (op, FLAG_REMOVED);	1695
		1696	op->flag [FLAG_OBJ_ORIGINAL] = 0;
1658		1697
1659	if (op->nrof)	1698	if (op->nrof)
1660	{
1661	for (object *tmp = inv; tmp; tmp = tmp->below)	1699	for (object *tmp = inv; tmp; tmp = tmp->below)
1662	if (object::can_merge (tmp, op))	1700	if (object::can_merge (tmp, op))
1663	{	1701	{
1664	/* return the original object and remove inserted object	1702	/* return the original object and remove inserted object
1665	(client needs the original object) */	1703	(client prefers the original object) */
		1704
		1705	// carring must be 0 for mergable objects
		1706	sint64 oweight = tmp->weight * tmp->nrof;
		1707
1666	tmp->nrof += op->nrof;	1708	tmp->nrof += op->nrof;
1667	/* Weight handling gets pretty funky. Since we are adding to	1709
1668	* tmp->nrof, we need to increase the weight.	1710	if (object *pl = tmp->visible_to ())
1669	*/	1711	esrv_update_item (UPD_NROF, pl, tmp);
		1712
1670	add_weight (this, op->weight * op->nrof);	1713	adjust_weight (this, oweight, tmp->weight * tmp->nrof);
1671	SET_FLAG (op, FLAG_REMOVED);	1714
1672	op->destroy (); /* free the inserted object */	1715	op->destroy ();
1673	op = tmp;	1716	op = tmp;
1674	op->remove (); /* and fix old object's links */	1717	goto inserted;
1675	CLEAR_FLAG (op, FLAG_REMOVED);
1676	break;
1677	}	1718	}
1678		1719
1679	/* I assume combined objects have no inventory
1680	* We add the weight - this object could have just been removed
1681	* (if it was possible to merge). calling remove_ob will subtract
1682	* the weight, so we need to add it in again, since we actually do
1683	* the linking below
1684	*/
1685	add_weight (this, op->weight * op->nrof);
1686	}
1687	else
1688	add_weight (this, (op->weight + op->carrying));
1689
1690	if (object *otmp = this->in_player ())
1691	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1692	otmp->update_stats ();
1693
1694	op->owner = 0; // its his/hers now. period.	1720	op->owner = 0; // it's his/hers now. period.
1695	op->map = 0;	1721	op->map = 0;
		1722	op->x = 0;
		1723	op->y = 0;
		1724
		1725	op->above = 0;
		1726	op->below = inv;
1696	op->env = this;	1727	op->env = this;
1697	op->above = 0;
1698	op->below = 0;
1699	op->x = op->y = 0;
1700		1728
		1729	if (inv)
		1730	inv->above = op;
		1731
		1732	inv = op;
		1733
		1734	op->flag [FLAG_REMOVED] = 0;
		1735
		1736	if (object *pl = op->visible_to ())
		1737	esrv_send_item (pl, op);
		1738
		1739	adjust_weight (this, 0, op->total_weight ());
		1740
		1741	inserted:
1701	/* reset the light list and los of the players on the map */	1742	/* reset the light list and los of the players on the map */
1702	if (op->glow_radius && map)	1743	if (op->glow_radius && is_on_map ())
1703	{	1744	{
1704	#ifdef DEBUG_LIGHTS	1745	update_stats ();
1705	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1706	#endif /* DEBUG_LIGHTS */
1707	if (map->darkness)
1708	update_all_los (map, x, y);	1746	update_all_los (map, x, y);
1709	}
1710
1711	/* Client has no idea of ordering so lets not bother ordering it here.
1712	* It sure simplifies this function...
1713	*/
1714	if (!inv)
1715	inv = op;
1716	else
1717	{	1747	}
1718	op->below = inv;	1748	else if (is_player ())
1719	op->below->above = op;	1749	// if this is a player's inventory, update stats
1720	inv = op;	1750	contr->queue_stats_update ();
1721	}
1722		1751
1723	INVOKE_OBJECT (INSERT, this);	1752	INVOKE_OBJECT (INSERT, this);
1724		1753
1725	return op;	1754	return op;
1726	}	1755	}
…		…
1744	* MSW 2001-07-08: Check all objects on space, not just those below	1773	* MSW 2001-07-08: Check all objects on space, not just those below
1745	* object being inserted. insert_ob_in_map may not put new objects	1774	* object being inserted. insert_ob_in_map may not put new objects
1746	* on top.	1775	* on top.
1747	*/	1776	*/
1748	int	1777	int
1749	check_move_on (object *op, object *originator)	1778	check_move_on (object *op, object *originator, int flags)
1750	{	1779	{
		1780	if (op->flag [FLAG_NO_APPLY])
		1781	return 0;
		1782
1751	object *tmp;	1783	object *tmp;
1752	maptile *m = op->map;	1784	maptile *m = op->map;
1753	int x = op->x, y = op->y;	1785	int x = op->x, y = op->y;
1754		1786
1755	MoveType move_on, move_slow, move_block;	1787	mapspace &ms = m->at (x, y);
1756		1788
1757	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1789	ms.update ();
1758	return 0;
1759		1790
1760	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1791	MoveType move_on = ms.move_on;
1761	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1792	MoveType move_slow = ms.move_slow;
1762	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1793	MoveType move_block = ms.move_block;
1763		1794
1764	/* if nothing on this space will slow op down or be applied,	1795	/* if nothing on this space will slow op down or be applied,
1765	* no need to do checking below. have to make sure move_type	1796	* no need to do checking below. have to make sure move_type
1766	* is set, as lots of objects don't have it set - we treat that	1797	* is set, as lots of objects don't have it set - we treat that
1767	* as walking.	1798	* as walking.
…		…
1778	return 0;	1809	return 0;
1779		1810
1780	/* The objects have to be checked from top to bottom.	1811	/* The objects have to be checked from top to bottom.
1781	* Hence, we first go to the top:	1812	* Hence, we first go to the top:
1782	*/	1813	*/
1783		1814	for (object *next, *tmp = ms.top; tmp; tmp = next)
1784	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1785	{
1786	/* Trim the search when we find the first other spell effect
1787	* this helps performance so that if a space has 50 spell objects,
1788	* we don't need to check all of them.
1789	*/
1790	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1791	break;
1792	}	1815	{
		1816	next = tmp->below;
1793		1817
1794	for (; tmp; tmp = tmp->below)
1795	{
1796	if (tmp == op)	1818	if (tmp == op)
1797	continue; /* Can't apply yourself */	1819	continue; /* Can't apply yourself */
1798		1820
1799	/* Check to see if one of the movement types should be slowed down.	1821	/* Check to see if one of the movement types should be slowed down.
1800	* Second check makes sure that the movement types not being slowed	1822	* Second check makes sure that the movement types not being slowed
1801	* (~slow_move) is not blocked on this space - just because the	1823	* (~slow_move) is not blocked on this space - just because the
1802	* space doesn't slow down swimming (for example), if you can't actually	1824	* space doesn't slow down swimming (for example), if you can't actually
1803	* swim on that space, can't use it to avoid the penalty.	1825	* swim on that space, can't use it to avoid the penalty.
1804	*/	1826	*/
1805	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1827	if (!op->flag [FLAG_WIZPASS])
1806	{	1828	{
1807	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1829	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1808	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1830	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1809	{	1831	{
1810
1811	float
1812	diff = tmp->move_slow_penalty * fabs (op->speed);	1832	float diff = tmp->move_slow_penalty * fabs (op->speed);
1813		1833
1814	if (op->type == PLAYER)	1834	if (op->is_player ())
1815	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1835	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1816	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1836	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1817	diff /= 4.0;	1837	diff /= 4.0;
1818		1838
1819	op->speed_left -= diff;	1839	op->speed_left -= diff;
1820	}	1840	}
1821	}	1841	}
1822		1842
1823	/* Basically same logic as above, except now for actual apply. */	1843	/* Basically same logic as above, except now for actual apply. */
1824	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1844	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1825	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1845	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1826	{	1846	{
		1847	if ((flags & INS_NO_AUTO_EXIT)
		1848	&& (tmp->type == EXIT || tmp->type == TELEPORTER
		1849	|| tmp->type == HOLE || tmp->type == TRAPDOOR)) //TODO: temporary, fix exits instead
		1850	continue;
		1851
1827	move_apply (tmp, op, originator);	1852	move_apply (tmp, op, originator);
1828		1853
1829	if (op->destroyed ())	1854	if (op->destroyed ())
1830	return 1;	1855	return 1;
1831		1856
…		…
1854	LOG (llevError, "Present_arch called outside map.\n");	1879	LOG (llevError, "Present_arch called outside map.\n");
1855	return NULL;	1880	return NULL;
1856	}	1881	}
1857		1882
1858	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1883	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1859	if (tmp->arch == at)	1884	if (tmp->arch->archname == at->archname)
1860	return tmp;	1885	return tmp;
1861		1886
1862	return NULL;	1887	return NULL;
1863	}	1888	}
1864		1889
…		…
1928	* The first matching object is returned, or NULL if none.	1953	* The first matching object is returned, or NULL if none.
1929	*/	1954	*/
1930	object *	1955	object *
1931	present_arch_in_ob (const archetype *at, const object *op)	1956	present_arch_in_ob (const archetype *at, const object *op)
1932	{	1957	{
1933	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1958	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1934	if (tmp->arch == at)	1959	if (tmp->arch->archname == at->archname)
1935	return tmp;	1960	return tmp;
1936		1961
1937	return NULL;	1962	return NULL;
1938	}	1963	}
1939		1964
…		…
1943	void	1968	void
1944	flag_inv (object *op, int flag)	1969	flag_inv (object *op, int flag)
1945	{	1970	{
1946	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1971	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1947	{	1972	{
1948	SET_FLAG (tmp, flag);	1973	tmp->set_flag (flag);
1949	flag_inv (tmp, flag);	1974	flag_inv (tmp, flag);
1950	}	1975	}
1951	}	1976	}
1952		1977
1953	/*	1978	/*
…		…
1956	void	1981	void
1957	unflag_inv (object *op, int flag)	1982	unflag_inv (object *op, int flag)
1958	{	1983	{
1959	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1984	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1960	{	1985	{
1961	CLEAR_FLAG (tmp, flag);	1986	tmp->clr_flag (flag);
1962	unflag_inv (tmp, flag);	1987	unflag_inv (tmp, flag);
1963	}	1988	}
1964	}	1989	}
1965		1990
1966	/*	1991	/*
…		…
1983	*/	2008	*/
1984	int	2009	int
1985	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2010	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1986	{	2011	{
1987	int altern[SIZEOFFREE];	2012	int altern[SIZEOFFREE];
1988	int index = 0, flag;	2013	int index = 0;
1989		2014
1990	for (int i = start; i < stop; i++)	2015	for (int i = start; i < stop; i++)
1991	{	2016	{
1992	mapxy pos (m, x, y); pos.move (i);	2017	mapxy pos (m, x, y); pos.move (i);
1993		2018
…		…
2027	* head of the object should correspond for the entire object.	2052	* head of the object should correspond for the entire object.
2028	*/	2053	*/
2029	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	2054	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
2030	continue;	2055	continue;
2031		2056
2032	if (ob->blocked (m, pos.x, pos.y))	2057	if (ob->blocked (pos.m, pos.x, pos.y))
2033	continue;	2058	continue;
2034		2059
2035	altern [index++] = i;	2060	altern [index++] = i;
2036	}	2061	}
2037		2062
…		…
2105	* there is capable of.	2130	* there is capable of.
2106	*/	2131	*/
2107	int	2132	int
2108	find_dir (maptile *m, int x, int y, object *exclude)	2133	find_dir (maptile *m, int x, int y, object *exclude)
2109	{	2134	{
2110	int i, max = SIZEOFFREE, mflags;	2135	int max = SIZEOFFREE;
2111
2112	sint16 nx, ny;
2113	object *tmp;
2114	maptile *mp;
2115
2116	MoveType blocked, move_type;	2136	MoveType move_type;
2117		2137
2118	if (exclude && exclude->head_ () != exclude)	2138	if (exclude && exclude->head_ () != exclude)
2119	{	2139	{
2120	exclude = exclude->head;	2140	exclude = exclude->head;
2121	move_type = exclude->move_type;	2141	move_type = exclude->move_type;
…		…
2124	{	2144	{
2125	/* If we don't have anything, presume it can use all movement types. */	2145	/* If we don't have anything, presume it can use all movement types. */
2126	move_type = MOVE_ALL;	2146	move_type = MOVE_ALL;
2127	}	2147	}
2128		2148
2129	for (i = 1; i < max; i++)	2149	for (int i = 1; i < max; i++)
2130	{	2150	{
2131	mp = m;	2151	mapxy pos (m, x, y);
2132	nx = x + freearr_x[i];	2152	pos.move (i);
2133	ny = y + freearr_y[i];
2134		2153
2135	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2154	if (!pos.normalise ())
2136
2137	if (mflags & P_OUT_OF_MAP)
2138	max = maxfree[i];	2155	max = maxfree[i];
2139	else	2156	else
2140	{	2157	{
2141	mapspace &ms = mp->at (nx, ny);	2158	mapspace &ms = *pos;
2142		2159
2143	blocked = ms.move_block;
2144
2145	if ((move_type & blocked) == move_type)	2160	if ((move_type & ms.move_block) == move_type)
2146	max = maxfree[i];	2161	max = maxfree [i];
2147	else if (mflags & P_IS_ALIVE)	2162	else if (ms.flags () & P_IS_ALIVE)
2148	{	2163	{
2149	for (tmp = ms.bot; tmp; tmp = tmp->above)	2164	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2150	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2165	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2151	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2166	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2152	break;
2153
2154	if (tmp)
2155	return freedir[i];	2167	return freedir [i];
2156	}	2168	}
2157	}	2169	}
2158	}	2170	}
2159		2171
2160	return 0;	2172	return 0;
…		…
2169	{	2181	{
2170	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2182	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2171	}	2183	}
2172		2184
2173	/*	2185	/*
2174	* find_dir_2(delta-x,delta-y) will return a direction in which	2186	* find_dir_2(delta-x,delta-y) will return a direction value
2175	* an object which has subtracted the x and y coordinates of another	2187	* for running into direct [dx, dy].
2176	* object, needs to travel toward it.	2188	* (the opposite of crossfire's find_dir_2!)
2177	*/	2189	*/
2178	int	2190	int
2179	find_dir_2 (int x, int y)	2191	find_dir_2 (int x, int y)
2180	{	2192	{
		2193	#if 1 // new algorithm
		2194	// this works by putting x, y into 16 sectors, which
		2195	// are not equal sized, but are a better approximation
		2196	// then the old algorithm, and then using a mapping
		2197	// table to map it into a direction value.
		2198	// basically, it maps these comparisons to each bit
		2199	// bit #3: x < 0
		2200	// bit #2: y < 0
		2201	// bit #1: x > y
		2202	// bit #0: x > 2y
		2203
		2204	static const uint8 dir[16] = {
		2205	4, 5, 4, 3,
		2206	2, 1, 2, 3,
		2207	6, 5, 6, 7,
		2208	8, 1, 8, 7,
		2209	};
		2210	int sector = 0;
		2211
		2212	// this is a bit ugly, but more likely to result in branchless code
		2213	sector |= x < 0 ? 8 : 0;
		2214	x = x < 0 ? -x : x; // abs
		2215
		2216	sector |= y < 0 ? 4 : 0;
		2217	y = y < 0 ? -y : y; // abs
		2218
		2219	if (x > y)
		2220	{
		2221	sector |= 2;
		2222
		2223	if (x > y * 2)
		2224	sector |= 1;
		2225	}
		2226	else
		2227	{
		2228	if (y > x * 2)
		2229	sector |= 1;
		2230	else if (!y)
		2231	return 0; // x == 0 here
		2232	}
		2233
		2234	return dir [sector];
		2235	#else // old algorithm
2181	int q;	2236	int q;
2182		2237
2183	if (y)	2238	if (y)
2184	q = x * 100 / y;	2239	q = 128 * x / y;
2185	else if (x)	2240	else if (x)
2186	q = -300 * x;	2241	q = -512 * x; // to make it > 309
2187	else	2242	else
2188	return 0;	2243	return 0;
2189		2244
2190	if (y > 0)	2245	if (y > 0)
2191	{	2246	{
2192	if (q < -242)	2247	if (q < -309) return 7;
		2248	if (q < -52) return 6;
		2249	if (q < 52) return 5;
		2250	if (q < 309) return 4;
		2251
2193	return 3;	2252	return 3;
2194	if (q < -41)	2253	}
2195	return 2;	2254	else
2196	if (q < 41)	2255	{
2197	return 1;	2256	if (q < -309) return 3;
2198	if (q < 242)	2257	if (q < -52) return 2;
2199	return 8;	2258	if (q < 52) return 1;
		2259	if (q < 309) return 8;
		2260
2200	return 7;	2261	return 7;
2201	}	2262	}
2202		2263	#endif
2203	if (q < -242)
2204	return 7;
2205	if (q < -41)
2206	return 6;
2207	if (q < 41)
2208	return 5;
2209	if (q < 242)
2210	return 4;
2211
2212	return 3;
2213	}	2264	}
2214		2265
2215	/*	2266	/*
2216	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2267	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2217	* between two directions (which are expected to be absolute (see absdir())	2268	* between two directions (which are expected to be absolute (see absdir())
2218	*/	2269	*/
2219	int	2270	int
2220	dirdiff (int dir1, int dir2)	2271	dirdiff (int dir1, int dir2)
2221	{	2272	{
2222	int d;
2223
2224	d = abs (dir1 - dir2);	2273	int d = abs (dir1 - dir2);
2225	if (d > 4)
2226	d = 8 - d;
2227		2274
2228	return d;	2275	return d > 4 ? 8 - d : d;
2229	}	2276	}
2230		2277
2231	/* peterm:	2278	/* peterm:
2232	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2279	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2233	* Basically, this is a table of directions, and what directions	2280	* Basically, this is a table of directions, and what directions
…		…
2235	* This basically means that if direction is 15, then it could either go	2282	* This basically means that if direction is 15, then it could either go
2236	* direction 4, 14, or 16 to get back to where we are.	2283	* direction 4, 14, or 16 to get back to where we are.
2237	* Moved from spell_util.c to object.c with the other related direction	2284	* Moved from spell_util.c to object.c with the other related direction
2238	* functions.	2285	* functions.
2239	*/	2286	*/
2240	int reduction_dir[SIZEOFFREE][3] = {	2287	static const int reduction_dir[SIZEOFFREE][3] = {
2241	{0, 0, 0}, /* 0 */	2288	{0, 0, 0}, /* 0 */
2242	{0, 0, 0}, /* 1 */	2289	{0, 0, 0}, /* 1 */
2243	{0, 0, 0}, /* 2 */	2290	{0, 0, 0}, /* 2 */
2244	{0, 0, 0}, /* 3 */	2291	{0, 0, 0}, /* 3 */
2245	{0, 0, 0}, /* 4 */	2292	{0, 0, 0}, /* 4 */
…		…
2339	* Add a check so we can't pick up invisible objects (0.93.8)	2386	* Add a check so we can't pick up invisible objects (0.93.8)
2340	*/	2387	*/
2341	int	2388	int
2342	can_pick (const object *who, const object *item)	2389	can_pick (const object *who, const object *item)
2343	{	2390	{
2344	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2391	return /*who->flag [FLAG_WIZ]|| */
2345	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2392	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2346	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2393	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2347	}	2394	}
		2395
		2396	//-GPL
2348		2397
2349	/*	2398	/*
2350	* create clone from object to another	2399	* create clone from object to another
2351	*/	2400	*/
2352	object *	2401	object *
2353	object_create_clone (object *asrc)	2402	object::deep_clone ()
2354	{	2403	{
2355	object *dst = 0, *tmp, *src, *prev, *item;	2404	assert (("deep_clone called on non-head object", is_head ()));
2356		2405
2357	if (!asrc)	2406	object *dst = clone ();
2358	return 0;
2359		2407
2360	src = asrc->head_ ();	2408	object *prev = dst;
2361
2362	prev = 0;
2363	for (object *part = src; part; part = part->more)	2409	for (object *part = this->more; part; part = part->more)
2364	{	2410	{
2365	tmp = part->clone ();	2411	object *tmp = part->clone ();
2366	tmp->x -= src->x;
2367	tmp->y -= src->y;
2368
2369	if (!part->head)
2370	{
2371	dst = tmp;
2372	tmp->head = 0;
2373	}
2374	else
2375	tmp->head = dst;	2412	tmp->head = dst;
2376
2377	tmp->more = 0;
2378
2379	if (prev)
2380	prev->more = tmp;	2413	prev->more = tmp;
2381
2382	prev = tmp;	2414	prev = tmp;
2383	}	2415	}
2384		2416
2385	for (item = src->inv; item; item = item->below)	2417	for (object *item = inv; item; item = item->below)
2386	insert_ob_in_ob (object_create_clone (item), dst);	2418	insert_ob_in_ob (item->deep_clone (), dst);
2387		2419
2388	return dst;	2420	return dst;
2389	}	2421	}
2390		2422
2391	/* This returns the first object in who's inventory that	2423	/* This returns the first object in who's inventory that
…		…
2400	return tmp;	2432	return tmp;
2401		2433
2402	return 0;	2434	return 0;
2403	}	2435	}
2404		2436
2405	/* If ob has a field named key, return the link from the list,	2437	/* Zero the key_values on op, decrementing the shared-string
2406	* otherwise return NULL.	2438	* refcounts and freeing the links.
2407	*	2439	*/
2408	* key must be a passed in shared string - otherwise, this won't	2440	void
2409	* do the desired thing.	2441	key_values::clear ()
2410	*/
2411	key_value *
2412	get_ob_key_link (const object *ob, const char *key)
2413	{	2442	{
2414	for (key_value *link = ob->key_values; link; link = link->next)	2443	for (key_value *kvp = first; kvp; )
		2444	{
		2445	key_value *next = kvp->next;
		2446	delete kvp;
		2447	kvp = next;
		2448	}
		2449
		2450	first = 0;
		2451	}
		2452
		2453	shstr_tmp
		2454	key_values::get (shstr_tmp key) const
		2455	{
		2456	for (key_value *kv = first; kv; kv = kv->next)
2415	if (link->key == key)	2457	if (kv->key == key)
2416	return link;
2417
2418	return 0;
2419	}
2420
2421	/*
2422	* Returns the value of op has an extra_field for key, or NULL.
2423	*
2424	* The argument doesn't need to be a shared string.
2425	*
2426	* The returned string is shared.
2427	*/
2428	const char *
2429	get_ob_key_value (const object *op, const char *const key)
2430	{
2431	key_value *link;
2432	shstr_cmp canonical_key (key);
2433
2434	if (!canonical_key)
2435	{
2436	/* 1. There being a field named key on any object
2437	* implies there'd be a shared string to find.
2438	* 2. Since there isn't, no object has this field.
2439	* 3. Therefore, *this* object doesn't have this field.
2440	*/
2441	return 0;
2442	}
2443
2444	/* This is copied from get_ob_key_link() above -
2445	* only 4 lines, and saves the function call overhead.
2446	*/
2447	for (link = op->key_values; link; link = link->next)
2448	if (link->key == canonical_key)
2449	return link->value;	2458	return kv->value;
2450		2459
2451	return 0;	2460	return shstr ();
2452	}	2461	}
2453		2462
2454	/*	2463	void
2455	* Updates the canonical_key in op to value.	2464	key_values::add (shstr_tmp key, shstr_tmp value)
2456	*
2457	* canonical_key is a shared string (value doesn't have to be).
2458	*
2459	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2460	* keys.
2461	*
2462	* Returns TRUE on success.
2463	*/
2464	int
2465	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2466	{	2465	{
2467	key_value *field = NULL, *last = NULL;	2466	key_value *kv = new key_value;
2468		2467
2469	for (field = op->key_values; field != NULL; field = field->next)	2468	kv->next = first;
2470	{	2469	kv->key = key;
2471	if (field->key != canonical_key)	2470	kv->value = value;
		2471
		2472	first = kv;
		2473	}
		2474
		2475	void
		2476	key_values::set (shstr_tmp key, shstr_tmp value)
		2477	{
		2478	for (key_value *kv = first; kv; kv = kv->next)
		2479	if (kv->key == key)
2472	{	2480	{
2473	last = field;	2481	kv->value = value;
2474	continue;	2482	return;
2475	}	2483	}
2476		2484
2477	if (value)	2485	add (key, value);
2478	field->value = value;	2486	}
2479	else	2487
		2488	void
		2489	key_values::del (shstr_tmp key)
		2490	{
		2491	for (key_value **kvp = &first; *kvp; kvp = &(*kvp)->next)
		2492	if ((*kvp)->key == key)
2480	{	2493	{
2481	/* Basically, if the archetype has this key set,	2494	key_value *kv = *kvp;
2482	* we need to store the null value so when we save	2495	*kvp = (*kvp)->next;
2483	* it, we save the empty value so that when we load,	2496	delete kv;
2484	* we get this value back again.	2497	return;
2485	*/
2486	if (get_ob_key_link (op->arch, canonical_key))
2487	field->value = 0;
2488	else
2489	{
2490	if (last)
2491	last->next = field->next;
2492	else
2493	op->key_values = field->next;
2494
2495	delete field;
2496	}
2497	}	2498	}
2498	return TRUE;	2499	}
		2500
		2501	void
		2502	key_values::reverse ()
		2503	{
		2504	key_value *prev = 0;
		2505	key_value *head = first;
		2506
		2507	while (head)
2499	}	2508	{
2500	/* IF we get here, key doesn't exist */	2509	key_value *node = head;
		2510	head = head->next;
		2511	node->next = prev;
		2512	prev = node;
		2513	}
2501		2514
2502	/* No field, we'll have to add it. */	2515	first = prev;
2503
2504	if (!add_key)
2505	return FALSE;
2506
2507	/* There isn't any good reason to store a null
2508	* value in the key/value list. If the archetype has
2509	* this key, then we should also have it, so shouldn't
2510	* be here. If user wants to store empty strings,
2511	* should pass in ""
2512	*/
2513	if (value == NULL)
2514	return TRUE;
2515
2516	field = new key_value;
2517
2518	field->key = canonical_key;
2519	field->value = value;
2520	/* Usual prepend-addition. */
2521	field->next = op->key_values;
2522	op->key_values = field;
2523
2524	return TRUE;
2525	}	2516	}
2526		2517
2527	/*	2518	key_values &
2528	* Updates the key in op to value.	2519	key_values::operator =(const key_values &kv)
2529	*
2530	* If add_key is FALSE, this will only update existing keys,
2531	* and not add new ones.
2532	* In general, should be little reason FALSE is ever passed in for add_key
2533	*
2534	* Returns TRUE on success.
2535	*/
2536	int
2537	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2538	{	2520	{
2539	shstr key_ (key);	2521	clear ();
2540		2522
2541	return set_ob_key_value_s (op, key_, value, add_key);	2523	for (key_value *kvp = kv.first; kvp; kvp = kvp->next)
		2524	add (kvp->key, kvp->value);
		2525
		2526	reverse ();
2542	}	2527	}
2543		2528
2544	object::depth_iterator::depth_iterator (object *container)	2529	object::depth_iterator::depth_iterator (object *container)
2545	: iterator_base (container)	2530	: iterator_base (container)
2546	{	2531	{
…		…
2596	{	2581	{
2597	char flagdesc[512];	2582	char flagdesc[512];
2598	char info2[256 * 4];	2583	char info2[256 * 4];
2599	char *p = info;	2584	char *p = info;
2600		2585
2601	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",	2586	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2602	count,	2587	count,
2603	uuid.c_str (),	2588	uuid.c_str (),
2604	&name,	2589	&name,
2605	title ? "\",title:\"" : "",	2590	title ? ",title:\"" : "",
2606	title ? (const char *)title : "",	2591	title ? (const char *)title : "",
		2592	title ? "\"" : "",
2607	flag_desc (flagdesc, 512), type);	2593	flag_desc (flagdesc, 512), type);
2608		2594
2609	if (!this->flag[FLAG_REMOVED] && env)	2595	if (!flag[FLAG_REMOVED] && env)
2610	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2596	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2611		2597
2612	if (map)	2598	if (map)
2613	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2599	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2614		2600
…		…
2629	{	2615	{
2630	return map ? map->region (x, y)	2616	return map ? map->region (x, y)
2631	: region::default_region ();	2617	: region::default_region ();
2632	}	2618	}
2633		2619
2634	const materialtype_t *	2620	//+GPL
2635	object::dominant_material () const
2636	{
2637	if (materialtype_t *mt = name_to_material (materialname))
2638	return mt;
2639
2640	return name_to_material (shstr_unknown);
2641	}
2642		2621
2643	void	2622	void
2644	object::open_container (object *new_container)	2623	object::open_container (object *new_container)
2645	{	2624	{
2646	if (container == new_container)	2625	if (container == new_container)
2647	return;	2626	return;
2648		2627
2649	if (object *old_container = container)	2628	object *old_container = container;
		2629
		2630	if (old_container)
2650	{	2631	{
2651	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2632	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2652	return;	2633	return;
2653		2634
2654	#if 0	2635	#if 0
…		…
2656	if (object *closer = old_container->inv)	2637	if (object *closer = old_container->inv)
2657	if (closer->type == CLOSE_CON)	2638	if (closer->type == CLOSE_CON)
2658	closer->destroy ();	2639	closer->destroy ();
2659	#endif	2640	#endif
2660		2641
		2642	// make sure the container is available
		2643	esrv_send_item (this, old_container);
		2644
2661	old_container->flag [FLAG_APPLIED] = 0;	2645	old_container->flag [FLAG_APPLIED] = false;
2662	container = 0;	2646	container = 0;
2663		2647
		2648	// client needs item update to make it work, client bug requires this to be separate
2664	esrv_update_item (UPD_FLAGS, this, old_container);	2649	esrv_update_item (UPD_FLAGS, this, old_container);
		2650
2665	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2651	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2666	play_sound (sound_find ("chest_close"));	2652	play_sound (sound_find ("chest_close"));
2667	}	2653	}
2668		2654
2669	if (new_container)	2655	if (new_container)
2670	{	2656	{
…		…
2674	// TODO: this does not seem to serve any purpose anymore?	2660	// TODO: this does not seem to serve any purpose anymore?
2675	#if 0	2661	#if 0
2676	// insert the "Close Container" object.	2662	// insert the "Close Container" object.
2677	if (archetype *closer = new_container->other_arch)	2663	if (archetype *closer = new_container->other_arch)
2678	{	2664	{
2679	object *closer = arch_to_object (new_container->other_arch);	2665	object *closer = new_container->other_arch->instance ();
2680	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2666	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2681	new_container->insert (closer);	2667	new_container->insert (closer);
2682	}	2668	}
2683	#endif	2669	#endif
2684		2670
2685	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2671	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2686		2672
		2673	// make sure the container is available, client bug requires this to be separate
		2674	esrv_send_item (this, new_container);
		2675
2687	new_container->flag [FLAG_APPLIED] = 1;	2676	new_container->flag [FLAG_APPLIED] = true;
2688	container = new_container;	2677	container = new_container;
2689		2678
		2679	// client needs flag change
2690	esrv_update_item (UPD_FLAGS, this, new_container);	2680	esrv_update_item (UPD_FLAGS, this, new_container);
2691	esrv_send_inventory (this, new_container);	2681	esrv_send_inventory (this, new_container);
2692	play_sound (sound_find ("chest_open"));	2682	play_sound (sound_find ("chest_open"));
2693	}	2683	}
		2684	// else if (!old_container->env && contr && contr->ns)
		2685	// contr->ns->floorbox_reset ();
2694	}	2686	}
		2687
		2688	//-GPL
		2689
		2690	// prefetch some flat area around the player
		2691	static void
		2692	prefetch_surrounding_area (object *op, maptile *map, int range)
		2693	{
		2694	for (maprect *rect = map->split_to_tiles (mapwalk_buf,
		2695	op->x - range , op->y - range ,
		2696	op->x + range + 1, op->y + range + 1);
		2697	rect->m;
		2698	++rect)
		2699	{
		2700	rect->m->touch ();
		2701	rect->m->activate ();
		2702	}
		2703	}
		2704
		2705	// prefetch a generous area around the player, also up and down
		2706	void
		2707	object::prefetch_surrounding_maps ()
		2708	{
		2709	prefetch_surrounding_area (this, map, 40);
		2710
		2711	if (maptile *m = map->tile_available (TILE_DOWN))
		2712	prefetch_surrounding_area (this, m, 20);
		2713
		2714	if (maptile *m = map->tile_available (TILE_UP))
		2715	prefetch_surrounding_area (this, m, 20);
		2716	}
		2717
		2718	//+GPL
2695		2719
2696	object *	2720	object *
2697	object::force_find (const shstr name)	2721	object::force_find (shstr_tmp name)
2698	{	2722	{
2699	/* cycle through his inventory to look for the MARK we want to	2723	/* cycle through his inventory to look for the MARK we want to
2700	* place	2724	* place
2701	*/	2725	*/
2702	for (object *tmp = inv; tmp; tmp = tmp->below)	2726	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2705		2729
2706	return 0;	2730	return 0;
2707	}	2731	}
2708		2732
2709	void	2733	void
		2734	object::force_set_timer (int duration)
		2735	{
		2736	this->duration = 1;
		2737	this->speed_left = -1.f;
		2738
		2739	this->set_speed (duration ? 1.f / duration : 0.f);
		2740	}
		2741
		2742	object *
2710	object::force_add (const shstr name, int duration)	2743	object::force_add (shstr_tmp name, int duration)
2711	{	2744	{
2712	if (object *force = force_find (name))	2745	if (object *force = force_find (name))
2713	force->destroy ();	2746	force->destroy ();
2714		2747
2715	object *force = get_archetype (FORCE_NAME);	2748	object *force = archetype::get (FORCE_NAME);
2716		2749
2717	force->slaying = name;	2750	force->slaying = name;
2718	force->stats.food = 1;	2751	force->force_set_timer (duration);
2719	force->speed_left = -1.f;
2720
2721	force->set_speed (duration ? 1.f / duration : 0.f);
2722	force->flag [FLAG_IS_USED_UP] = true;
2723	force->flag [FLAG_APPLIED] = true;	2752	force->flag [FLAG_APPLIED] = true;
2724		2753
2725	insert (force);	2754	return insert (force);
2726	}	2755	}
2727		2756
2728	void	2757	void
2729	object::play_sound (faceidx sound) const	2758	object::play_sound (faceidx sound) const
2730	{	2759	{
2731	if (!sound)	2760	if (!sound)
2732	return;	2761	return;
2733		2762
2734	if (flag [FLAG_REMOVED])	2763	if (is_on_map ())
		2764	map->play_sound (sound, x, y);
		2765	else if (object *pl = in_player ())
		2766	pl->contr->play_sound (sound);
		2767	}
		2768
		2769	void
		2770	object::say_msg (const char *msg) const
		2771	{
		2772	if (is_on_map ())
		2773	map->say_msg (msg, x, y);
		2774	else if (object *pl = in_player ())
		2775	pl->contr->play_sound (sound);
		2776	}
		2777
		2778	void
		2779	object::make_noise ()
		2780	{
		2781	// we do not model noise in the map, so instead put
		2782	// a temporary light into the noise source
		2783	// could use the map instead, but that's less reliable for our
		2784	// goal, which is to make invisibility a bit harder to exploit
		2785
		2786	// currently only works sensibly for players
		2787	if (!is_player ())
2735	return;	2788	return;
2736		2789
2737	if (env)	2790	// find old force, or create new one
2738	{	2791	object *force = force_find (shstr_noise_force);
2739	if (object *pl = in_player ())	2792
2740	pl->contr->play_sound (sound);	2793	if (force)
2741	}	2794	force->speed_left = -1.f; // patch old speed up
2742	else	2795	else
2743	map->play_sound (sound, x, y);	2796	{
2744	}	2797	force = archetype::get (shstr_noise_force);
2745		2798
		2799	force->slaying = shstr_noise_force;
		2800	force->stats.food = 1;
		2801	force->speed_left = -1.f;
		2802
		2803	force->set_speed (1.f / 4.f);
		2804	force->flag [FLAG_IS_USED_UP] = true;
		2805	force->flag [FLAG_APPLIED] = true;
		2806
		2807	insert (force);
		2808	}
		2809	}
		2810
		2811	void object::change_move_type (MoveType mt)
		2812	{
		2813	if (move_type == mt)
		2814	return;
		2815
		2816	if (is_on_map ())
		2817	{
		2818	// we are on the map, so handle move_on/off effects
		2819	remove ();
		2820	move_type = mt;
		2821	map->insert (this, x, y, this);
		2822	}
		2823	else
		2824	move_type = mt;
		2825	}
		2826
		2827	/* object should be a player.
		2828	* we return the object the player has marked with the 'mark' command
		2829	* below. If no match is found (or object has changed), we return
		2830	* NULL. We leave it up to the calling function to print messages if
		2831	* nothing is found.
		2832	*/
		2833	object *
		2834	object::mark () const
		2835	{
		2836	if (contr && contr->mark && contr->mark->env == this)
		2837	return contr->mark;
		2838	else
		2839	return 0;
		2840	}
		2841
		2842	// put marked object first in the inventory
		2843	// this is used by identify-like spells so players can influence
		2844	// the order a bit.
		2845	void
		2846	object::splay_marked ()
		2847	{
		2848	if (object *marked = mark ())
		2849	splay (marked);
		2850	}
		2851

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