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Comparing deliantra/server/common/object.C (file contents):
Revision 1.247 by root, Mon Jul 14 18:36:43 2008 UTC vs.
Revision 1.345 by root, Sun May 1 16:58:15 2011 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 (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* Deliantra is free software: you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation, either version 3 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	19	* and the GNU General Public License along with this program. If not, see
		20	* <http://www.gnu.org/licenses/>.
20	*	21	*
21	* The authors can be reached via e-mail to <support@deliantra.net>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	#include <global.h>	25	#include <global.h>
25	#include <stdio.h>	26	#include <stdio.h>
26	#include <sys/types.h>	27	#include <sys/types.h>
27	#include <sys/uio.h>	28	#include <sys/uio.h>
28	#include <object.h>	29	#include <object.h>
29	#include <sproto.h>	30	#include <sproto.h>
30	#include <loader.h>
31		31
32	#include <bitset>	32	#include <bitset>
33		33
34	UUID UUID::cur;	34	UUID UUID::cur;
35	static uint64_t seq_next_save;	35	static uint64_t seq_next_save;
36	static const uint64 UUID_GAP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
37		38
38	objectvec objects;	39	objectvec objects;
39	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
40		49
41	short freearr_x[SIZEOFFREE] = {	50	short freearr_x[SIZEOFFREE] = {
42	0,	51	0,
43	0, 1, 1, 1, 0, -1, -1, -1,	52	0, 1, 1, 1, 0, -1, -1, -1,
44	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,
…		…
48	0,	57	0,
49	-1, -1, 0, 1, 1, 1, 0, -1,	58	-1, -1, 0, 1, 1, 1, 0, -1,
50	-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,
51	-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
52	};	61	};
53	int maxfree[SIZEOFFREE] = {
54	0,
55	9, 10, 13, 14, 17, 18, 21, 22,
56	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
57	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
58	};
59	int freedir[SIZEOFFREE] = {	62	int freedir[SIZEOFFREE] = {
60	0,	63	0,
61	1, 2, 3, 4, 5, 6, 7, 8,	64	1, 2, 3, 4, 5, 6, 7, 8,
62	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,
63	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
64	};	67	};
65		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
66	static void	95	static void
67	write_uuid (uval64 skip, bool sync)	96	write_uuid (uval64 skip, bool sync)
68	{	97	{
69	CALL_BEGIN (2);	98	CALL_BEGIN (2);
70	CALL_ARG_SV (newSVval64 (skip));	99	CALL_ARG_SV (newSVval64 (skip));
…		…
72	CALL_CALL ("cf::write_uuid", G_DISCARD);	101	CALL_CALL ("cf::write_uuid", G_DISCARD);
73	CALL_END;	102	CALL_END;
74	}	103	}
75		104
76	static void	105	static void
77	read_uuid (void)	106	read_uuid ()
78	{	107	{
79	char filename[MAX_BUF];	108	char filename[MAX_BUF];
80		109
81	sprintf (filename, "%s/uuid", settings.localdir);	110	sprintf (filename, "%s/uuid", settings.localdir);
82		111
…		…
96		125
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	126	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	127	_exit (1);
99	}	128	}
100		129
101	UUID::BUF buf;	130	char buf [UUID::MAX_LEN];
102	buf[0] = 0;	131	buf[0] = 0;
103	fgets (buf, sizeof (buf), fp);	132	fgets (buf, sizeof (buf), fp);
104		133
105	if (!UUID::cur.parse (buf))	134	if (!UUID::cur.parse (buf))
106	{	135	{
…		…
133		162
134	void	163	void
135	UUID::init ()	164	UUID::init ()
136	{	165	{
137	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;
138	}	232	}
139		233
140	/* 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. */
141	static bool	235	static bool
142	compare_ob_value_lists_one (const object *wants, const object *has)	236	compare_ob_value_lists_one (const object *wants, const object *has)
143	{	237	{
144	/* n-squared behaviour (see kv_get), but I'm hoping both	238	/* n-squared behaviour (see kv.get), but I'm hoping both
145	* 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
146	* different structure or at least keep the lists sorted...	240	* different structure or at least keep the lists sorted...
147	*/	241	*/
148		242
149	/* For each field in wants, */	243	/* For each field in wants, */
150	for (key_value *kv = wants->key_values; kv; kv = kv->next)	244	for (key_value *kv = wants->kv.first; kv; kv = kv->next)
151	if (has->kv_get (kv->key) != kv->value)	245	if (has->kv.get (kv->key) != kv->value)
152	return false;	246	return false;
153		247
154	/* 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. */
155	return true;	249	return true;
156	}	250	}
…		…
178	* Improvements made with merge: Better checking on potion, and also	272	* Improvements made with merge: Better checking on potion, and also
179	* check weight	273	* check weight
180	*/	274	*/
181	bool object::can_merge_slow (object *ob1, object *ob2)	275	bool object::can_merge_slow (object *ob1, object *ob2)
182	{	276	{
183	/* A couple quicksanity checks */	277	/* A couple quick sanity checks */
184	if (ob1 == ob2	278	if (ob1 == ob2
185	|| ob1->type != ob2->type	279	|| ob1->type != ob2->type
186	|| ob1->speed != ob2->speed
187	|| ob1->value != ob2->value	280	|| ob1->value != ob2->value
188	|| 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)
189	return 0;	284	return 0;
190		285
191	/* Do not merge objects if nrof would overflow. First part checks	286	/* Do not merge objects if nrof would overflow, assume nrof
192	* for unsigned overflow (2c), second part checks whether the result	287	* is always 0 .. 2**31-1 */
193	* would fit into a 32 bit signed int, which is often used to hold	288	if (ob1->nrof > 0x7fffffff - ob2->nrof)
194	* nrof values.
195	*/
196	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
197	return 0;	289	return 0;
198		290
199	/* If the objects have been identified, set the BEEN_APPLIED flag.	291	/* If the objects have been identified, set the BEEN_APPLIED flag.
200	* 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
201	* 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
202	* 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
203	* flags lose any meaning.	295	* flags lose any meaning.
204	*/	296	*/
205	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	297	if (ob1->flag [FLAG_IDENTIFIED])
206	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	298	ob1->set_flag (FLAG_BEEN_APPLIED);
207		299
208	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	300	if (ob2->flag [FLAG_IDENTIFIED])
209	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	301	ob2->set_flag (FLAG_BEEN_APPLIED);
210		302
211	if (ob1->arch->archname != ob2->arch->archname	303	if (ob1->arch->archname != ob2->arch->archname
212	|| ob1->name != ob2->name	304	|| ob1->name != ob2->name
213	|| ob1->title != ob2->title	305	|| ob1->title != ob2->title
214	|| ob1->msg != ob2->msg	306	|| ob1->msg != ob2->msg
…		…
217	|| ob1->magic != ob2->magic	309	|| ob1->magic != ob2->magic
218	|| ob1->slaying != ob2->slaying	310	|| ob1->slaying != ob2->slaying
219	|| ob1->skill != ob2->skill	311	|| ob1->skill != ob2->skill
220	|| ob1->value != ob2->value	312	|| ob1->value != ob2->value
221	|| ob1->animation_id != ob2->animation_id	313	|| ob1->animation_id != ob2->animation_id
222	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other	314	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
223	|| ob1->client_type != ob2->client_type	315	|| ob1->client_type != ob2->client_type
224	|| ob1->materialname != ob2->materialname	316	|| ob1->material != ob2->material
225	|| ob1->lore != ob2->lore	317	|| ob1->lore != ob2->lore
226	|| ob1->subtype != ob2->subtype	318	|| ob1->subtype != ob2->subtype
227	|| ob1->move_type != ob2->move_type	319	|| ob1->move_type != ob2->move_type
228	|| ob1->move_block != ob2->move_block	320	|| ob1->move_block != ob2->move_block
229	|| ob1->move_allow != ob2->move_allow	321	|| ob1->move_allow != ob2->move_allow
230	|| ob1->move_on != ob2->move_on	322	|| ob1->move_on != ob2->move_on
231	|| ob1->move_off != ob2->move_off	323	|| ob1->move_off != ob2->move_off
232	|| ob1->move_slow != ob2->move_slow	324	|| ob1->move_slow != ob2->move_slow
233	|| ob1->move_slow_penalty != ob2->move_slow_penalty	325	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
234	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))	326	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
235	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))	327	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
236	return 0;	328	return 0;
237		329
238	if ((ob1->flag ^ ob2->flag)	330	if ((ob1->flag ^ ob2->flag)
239	.reset (FLAG_INV_LOCKED)	331	.reset (FLAG_INV_LOCKED)
240	.reset (FLAG_CLIENT_SENT)
241	.reset (FLAG_REMOVED)	332	.reset (FLAG_REMOVED)
242	.any ())	333	.any ())
243	return 0;	334	return 0;
244		335
245	/* This is really a spellbook check - we should in general	336	/* This is really a spellbook check - we should in general
…		…
264		355
265	/* 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,
266	* 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
267	* some items equipped, and we don't want those to merge.	358	* some items equipped, and we don't want those to merge.
268	*/	359	*/
269	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	360	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
270	return 0;	361	return 0;
271		362
272	/* 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
273	* 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
274	* check?	365	* check?
275	*/	366	*/
276	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	367	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
277	return 0;	368	return 0;
278		369
279	switch (ob1->type)	370	switch (ob1->type)
280	{	371	{
281	case SCROLL:	372	case SCROLL:
282	if (ob1->level != ob2->level)	373	if (ob1->level != ob2->level)
283	return 0;	374	return 0;
284	break;	375	break;
285	}	376	}
286		377
287	if (ob1->key_values || ob2->key_values)	378	if (!ob1->kv.empty () || !ob2->kv.empty ())
288	{	379	{
289	/* At least one of these has key_values. */	380	/* At least one of these has key_values. */
290	if ((!ob1->key_values) != (!ob2->key_values))	381	if (ob1->kv.empty () != ob2->kv.empty ())
291	return 0; /* One has fields, but the other one doesn't. */	382	return 0; /* One has fields, but the other one doesn't. */
292		383
293	if (!compare_ob_value_lists (ob1, ob2))	384	if (!compare_ob_value_lists (ob1, ob2))
294	return 0;	385	return 0;
295	}	386	}
…		…
327	{	418	{
328	// see if we are in a container of sorts	419	// see if we are in a container of sorts
329	if (env)	420	if (env)
330	{	421	{
331	// the player inventory itself is always visible	422	// the player inventory itself is always visible
332	if (env->type == PLAYER)	423	if (env->is_player ())
333	return env;	424	return env;
334		425
335	// else a player could have our env open	426	// else a player could have our env open
336	object *envest = env->outer_env ();	427	object *envest = env->outer_env_or_self ();
337		428
338	// the player itself is always on a map, so we will find him here	429	// the player itself is always on a map, so we will find him here
339	// even if our inv is in a player.	430	// even if our inv is in a player.
340	if (envest->is_on_map ())	431	if (envest->is_on_map ())
341	if (object *pl = envest->ms ().player ())	432	if (object *pl = envest->ms ().player ())
342	if (pl->container == env)	433	if (pl->container_ () == env)
343	return pl;	434	return pl;
344	}	435	}
345	else	436	else
346	{	437	{
347	// maybe there is a player standing on the same mapspace	438	// maybe there is a player standing on the same mapspace
348	// this will catch the case where "this" is a player	439	// this will catch the case where "this" is a player
349	if (object *pl = ms ().player ())	440	if (object *pl = ms ().player ())
350	if (!pl->container || this == pl->container)	441	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		442	|| pl->container_ () == this)
351	return pl;	443	return pl;
352	}	444	}
353	}	445	}
354		446
355	return 0;	447	return 0;
356	}	448	}
357		449
358	// adjust weight per container type ("of holding")	450	// adjust weight per container type ("of holding")
359	static sint32	451	static uint32
360	weight_adjust_for (object *op, sint32 weight)	452	weight_adjust_for (object *op, uint32 weight)
361	{	453	{
362	return op->type == CONTAINER	454	return op->type == CONTAINER
363	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)	455	? weight - weight * op->stats.Str / 100
364	: weight;	456	: weight;
365	}	457	}
366		458
367	/*	459	/*
368	* adjust_weight(object, weight) adds the specified weight to an object,	460	* subtracts, then adds, the specified weight to an object,
369	* and also updates how much the environment(s) is/are carrying.	461	* and also updates how much the environment(s) is/are carrying.
370	*/	462	*/
371	static void	463	static void
372	adjust_weight (object *op, sint32 weight)	464	adjust_weight (object *op, sint32 sub, sint32 add)
373	{	465	{
374	while (op)	466	while (op)
375	{	467	{
376	// adjust by actual difference to account for rounding errors	468	sint32 ocarrying = op->carrying;
377	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
378	weight = weight_adjust_for (op, op->carrying)
379	- weight_adjust_for (op, op->carrying - weight);
380		469
381	if (!weight)	470	op->carrying -= weight_adjust_for (op, sub);
382	return;	471	op->carrying += weight_adjust_for (op, add);
383
384	op->carrying += weight;
385		472
386	if (object *pl = op->visible_to ())	473	if (object *pl = op->visible_to ())
387	if (pl != op) // player is handled lazily	474	if (pl != op) // player is handled lazily
388	esrv_update_item (UPD_WEIGHT, pl, op);	475	esrv_update_item (UPD_WEIGHT, pl, op);
389		476
		477	sub = ocarrying;
		478	add = op->carrying;
		479
390	op = op->env;	480	op = op->env;
391	}	481	}
392	}	482	}
393		483
394	/*	484	/*
…		…
401	{	491	{
402	sint32 sum = 0;	492	sint32 sum = 0;
403		493
404	for (object *op = inv; op; op = op->below)	494	for (object *op = inv; op; op = op->below)
405	{	495	{
406	if (op->inv)
407	op->update_weight ();	496	op->update_weight ();
408		497
409	sum += op->total_weight ();	498	sum += weight_adjust_for (this, op->total_weight ());
410	}	499	}
411
412	sum = weight_adjust_for (this, sum);
413		500
414	if (sum != carrying)	501	if (sum != carrying)
415	{	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 ());
		506
416	carrying = sum;	507	carrying = sum;
417		508
418	if (object *pl = visible_to ())	509	if (object *pl = visible_to ())
419	if (pl != this) // player is handled lazily	510	if (pl != this) // player is handled lazily
420	esrv_update_item (UPD_WEIGHT, pl, this);	511	esrv_update_item (UPD_WEIGHT, pl, this);
…		…
433	object_freezer freezer;	524	object_freezer freezer;
434	op->write (freezer);	525	op->write (freezer);
435	return freezer.as_string ();	526	return freezer.as_string ();
436	}	527	}
437		528
438	/*	529	char *
439	* get_nearest_part(multi-object, object 2) returns the part of the	530	object::as_string ()
440	* multi-object 1 which is closest to the second object.
441	* If it's not a multi-object, it is returned.
442	*/
443	object *
444	get_nearest_part (object *op, const object *pl)
445	{	531	{
446	object *tmp, *closest;	532	return dump_object (this);
447	int last_dist, i;
448
449	if (!op->more)
450	return op;
451
452	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
453	tmp;
454	tmp = tmp->more)
455	if ((i = distance (tmp, pl)) < last_dist)
456	closest = tmp, last_dist = i;
457
458	return closest;
459	}	533	}
460		534
461	/*	535	/*
462	* 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.
463	* VERRRY slow.	537	* VERRRY slow.
…		…
465	object *	539	object *
466	find_object (tag_t i)	540	find_object (tag_t i)
467	{	541	{
468	for_all_objects (op)	542	for_all_objects (op)
469	if (op->count == i)	543	if (op->count == i)
		544	return op;
		545
		546	return 0;
		547	}
		548
		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)
470	return op;	559	return op;
471		560
472	return 0;	561	return 0;
473	}	562	}
474		563
…		…
508	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 ());
509	return;	598	return;
510	}	599	}
511		600
512	this->owner = owner;	601	this->owner = owner;
513	}
514
515	int
516	object::slottype () const
517	{
518	if (type == SKILL)
519	{
520	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
521	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
522	}
523	else
524	{
525	if (slot [body_combat].info) return slot_combat;
526	if (slot [body_range ].info) return slot_ranged;
527	}
528
529	return slot_none;
530	}
531
532	bool
533	object::change_weapon (object *ob)
534	{
535	if (current_weapon == ob)
536	return true;
537
538	if (chosen_skill)
539	chosen_skill->flag [FLAG_APPLIED] = false;
540
541	current_weapon = ob;
542	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
543
544	if (chosen_skill)
545	chosen_skill->flag [FLAG_APPLIED] = true;
546
547	update_stats ();
548
549	if (ob)
550	{
551	// now check wether any body locations became invalid, in which case
552	// we cannot apply the weapon at the moment.
553	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
554	if (slot[i].used < 0)
555	{
556	current_weapon = chosen_skill = 0;
557	update_stats ();
558
559	new_draw_info_format (NDI_UNIQUE, 0, this,
560	"You try to balance all your items at once, "
561	"but the %s is just too much for your body. "
562	"[You need to unapply some items first.]", &ob->name);
563	return false;
564	}
565
566	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
567	}
568	else
569	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
570
571	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
572	{
573	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
574	&name, ob->debug_desc ());
575	return false;
576	}
577
578	return true;
579	}
580
581	/* Zero the key_values on op, decrementing the shared-string
582	* refcounts and freeing the links.
583	*/
584	static void
585	free_key_values (object *op)
586	{
587	for (key_value *i = op->key_values; i; )
588	{
589	key_value *next = i->next;
590	delete i;
591
592	i = next;
593	}
594
595	op->key_values = 0;
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
…		…
606	void	612	void
607	object::copy_to (object *dst)	613	object::copy_to (object *dst)
608	{	614	{
609	dst->remove ();	615	dst->remove ();
610	*(object_copy *)dst = *this;	616	*(object_copy *)dst = *this;
		617
		618	// maybe move to object_copy?
		619	dst->kv = kv;
		620
611	dst->flag [FLAG_REMOVED] = true;	621	dst->flag [FLAG_REMOVED] = true;
612		622	dst->activate ();
613	/* Copy over key_values, if any. */
614	if (key_values)
615	{
616	key_value *tail = 0;
617	dst->key_values = 0;
618
619	for (key_value *i = key_values; i; i = i->next)
620	{
621	key_value *new_link = new key_value;
622
623	new_link->next = 0;
624	new_link->key = i->key;
625	new_link->value = i->value;
626
627	/* Try and be clever here, too. */
628	if (!dst->key_values)
629	{
630	dst->key_values = new_link;
631	tail = new_link;
632	}
633	else
634	{
635	tail->next = new_link;
636	tail = new_link;
637	}
638	}
639	}
640
641	if (speed < 0)
642	dst->speed_left -= rndm ();
643
644	dst->set_speed (dst->speed);
645	}	623	}
646		624
647	void	625	void
648	object::instantiate ()	626	object::instantiate ()
649	{	627	{
650	if (!uuid.seq) // HACK	628	if (!uuid.seq) // HACK
651	uuid = UUID::gen ();	629	uuid = UUID::gen ();
652		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
653	speed_left = -0.1f;	635	speed_left = -1.;
		636
654	/* 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
655	* 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.
656	* 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
657	* values for the body_used info, so when items are created	640	* values for the body_used info, so when items are created
658	* for it, they can be properly equipped.	641	* for it, they can be properly equipped.
…		…
666	object *	649	object *
667	object::clone ()	650	object::clone ()
668	{	651	{
669	object *neu = create ();	652	object *neu = create ();
670	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
671	neu->map = map; // not copied by copy_to	659	neu->map = map; // not copied by copy_to
672	return neu;	660	return neu;
673	}	661	}
674		662
675	/*	663	/*
…		…
678	* 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.
679	*/	667	*/
680	void	668	void
681	update_turn_face (object *op)	669	update_turn_face (object *op)
682	{	670	{
683	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	671	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
684	return;	672	return;
685		673
686	SET_ANIMATION (op, op->direction);	674	SET_ANIMATION (op, op->direction);
687	update_object (op, UP_OBJ_FACE);	675	update_object (op, UP_OBJ_FACE);
688	}	676	}
…		…
693	* 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.
694	*/	682	*/
695	void	683	void
696	object::set_speed (float speed)	684	object::set_speed (float speed)
697	{	685	{
698	if (flag [FLAG_FREED] && speed)
699	{
700	LOG (llevError, "Object %s is freed but has speed.\n", &name);
701	speed = 0;
702	}
703
704	this->speed = speed;	686	this->speed = speed;
705		687
706	if (has_active_speed ())	688	if (has_active_speed ())
707	activate ();	689	activate ();
708	else	690	else
…		…
758		740
759	if (!(m.flags_ & P_UPTODATE))	741	if (!(m.flags_ & P_UPTODATE))
760	/* nop */;	742	/* nop */;
761	else if (action == UP_OBJ_INSERT)	743	else if (action == UP_OBJ_INSERT)
762	{	744	{
		745	#if 0
763	// this is likely overkill, TODO: revisit (schmorp)	746	// this is likely overkill, TODO: revisit (schmorp)
764	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	747	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
765	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	748	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
766	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	749	|| (op->is_player () && !(m.flags_ & P_PLAYER))
767	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	750	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
768	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	751	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
769	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	752	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
770	|| (m.move_on | op->move_on ) != m.move_on	753	|| (m.move_on | op->move_on ) != m.move_on
771	|| (m.move_off | op->move_off ) != m.move_off	754	|| (m.move_off | op->move_off ) != m.move_off
772	|| (m.move_slow | op->move_slow) != m.move_slow	755	|| (m.move_slow | op->move_slow) != m.move_slow
773	/* 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
774	* to have move_allow right now.	757	* have move_allow right now.
775	*/	758	*/
776	|| ((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
777	|| 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)
778	m.flags_ = 0;	763	m.invalidate ();
		764	#endif
779	}	765	}
780	/* if the object is being removed, we can't make intelligent	766	/* if the object is being removed, we can't make intelligent
781	* decisions, because remove_ob can't really pass the object	767	* decisions, because remove_ob can't really pass the object
782	* that is being removed.	768	* that is being removed.
783	*/	769	*/
784	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	770	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
785	m.flags_ = 0;	771	m.invalidate ();
786	else if (action == UP_OBJ_FACE)	772	else if (action == UP_OBJ_FACE)
787	/* Nothing to do for that case */ ;	773	/* Nothing to do for that case */ ;
788	else	774	else
789	LOG (llevError, "update_object called with invalid action: %d\n", action);	775	LOG (llevError, "update_object called with invalid action: %d\n", action);
790		776
…		…
792	update_object (op->more, action);	778	update_object (op->more, action);
793	}	779	}
794		780
795	object::object ()	781	object::object ()
796	{	782	{
797	SET_FLAG (this, FLAG_REMOVED);	783	this->set_flag (FLAG_REMOVED);
798		784
799	expmul = 1.0;	785	//expmul = 1.0; declared const for the time being
800	face = blank_face;	786	face = blank_face;
		787	material = MATERIAL_NULL;
801	}	788	}
802		789
803	object::~object ()	790	object::~object ()
804	{	791	{
805	unlink ();	792	unlink ();
806		793
807	free_key_values (this);	794	kv.clear ();
808	}	795	}
809
810	static int object_count;
811		796
812	void object::link ()	797	void object::link ()
813	{	798	{
814	assert (!index);//D	799	assert (!index);//D
815	uuid = UUID::gen ();	800	uuid = UUID::gen ();
816	count = ++object_count;
817		801
818	refcnt_inc ();	802	refcnt_inc ();
819	objects.insert (this);	803	objects.insert (this);
		804
		805	++create_count;
		806
820	}	807	}
821		808
822	void object::unlink ()	809	void object::unlink ()
823	{	810	{
824	if (!index)	811	if (!index)
825	return;	812	return;
		813
		814	++destroy_count;
826		815
827	objects.erase (this);	816	objects.erase (this);
828	refcnt_dec ();	817	refcnt_dec ();
829	}	818	}
830		819
…		…
834	/* If already on active list, don't do anything */	823	/* If already on active list, don't do anything */
835	if (active)	824	if (active)
836	return;	825	return;
837		826
838	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
839	actives.insert (this);	832	actives.insert (this);
		833	}
840	}	834	}
841		835
842	void	836	void
843	object::activate_recursive ()	837	object::activate_recursive ()
844	{	838	{
…		…
909	|| map->in_memory != MAP_ACTIVE	903	|| map->in_memory != MAP_ACTIVE
910	|| map->no_drop	904	|| map->no_drop
911	|| ms ().move_block == MOVE_ALL)	905	|| ms ().move_block == MOVE_ALL)
912	{	906	{
913	while (inv)	907	while (inv)
914	{
915	inv->destroy_inv (false);
916	inv->destroy ();	908	inv->destroy ();
917	}
918	}	909	}
919	else	910	else
920	{ /* Put objects in inventory onto this space */	911	{ /* Put objects in inventory onto this space */
921	while (inv)	912	while (inv)
922	{	913	{
…		…
926	|| op->flag [FLAG_NO_DROP]	917	|| op->flag [FLAG_NO_DROP]
927	|| op->type == RUNE	918	|| op->type == RUNE
928	|| op->type == TRAP	919	|| op->type == TRAP
929	|| op->flag [FLAG_IS_A_TEMPLATE]	920	|| op->flag [FLAG_IS_A_TEMPLATE]
930	|| op->flag [FLAG_DESTROY_ON_DEATH])	921	|| op->flag [FLAG_DESTROY_ON_DEATH])
931	op->destroy (true);	922	op->destroy ();
932	else	923	else
933	map->insert (op, x, y);	924	map->insert (op, x, y);
934	}	925	}
935	}	926	}
936	}	927	}
937		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 *
938	object *object::create ()	966	object::create ()
939	{	967	{
940	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
941	op->link ();	990	op->link ();
		991
942	return op;	992	return op;
943	}	993	}
944		994
		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
945	static struct freed_map : maptile	1010	static struct freed_map : maptile
946	{	1011	{
947	freed_map ()	1012	freed_map ()
		1013	: maptile (3, 3)
948	{	1014	{
949	path = "<freed objects map>";	1015	path = "<freed objects map>";
950	name = "/internal/freed_objects_map";	1016	name = "/internal/freed_objects_map";
951	width = 3;
952	height = 3;
953	no_drop = 1;	1017	no_drop = 1;
954	no_reset = 1;	1018	no_reset = 1;
955		1019
956	alloc ();
957	in_memory = MAP_ACTIVE;	1020	in_memory = MAP_ACTIVE;
958	}	1021	}
959		1022
960	~freed_map ()	1023	~freed_map ()
961	{	1024	{
…		…
965		1028
966	void	1029	void
967	object::do_destroy ()	1030	object::do_destroy ()
968	{	1031	{
969	if (flag [FLAG_IS_LINKED])	1032	if (flag [FLAG_IS_LINKED])
970	remove_button_link (this);	1033	remove_link ();
971		1034
972	if (flag [FLAG_FRIENDLY])	1035	if (flag [FLAG_FRIENDLY])
973	remove_friendly_object (this);	1036	remove_friendly_object (this);
974		1037
975	remove ();	1038	remove ();
…		…
1000	attacked_by = 0;	1063	attacked_by = 0;
1001	current_weapon = 0;	1064	current_weapon = 0;
1002	}	1065	}
1003		1066
1004	void	1067	void
1005	object::destroy (bool destroy_inventory)	1068	object::destroy ()
1006	{	1069	{
1007	if (destroyed ())	1070	if (destroyed ())
1008	return;	1071	return;
1009		1072
1010	if (!is_head () && !head->destroyed ())	1073	if (!is_head () && !head->destroyed ())
1011	{	1074	{
1012	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");	1075	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
1013	head->destroy (destroy_inventory);	1076	head->destroy ();
1014	return;	1077	return;
1015	}	1078	}
1016		1079
1017	destroy_inv (!destroy_inventory);	1080	destroy_inv_fast ();
1018		1081
1019	if (is_head ())	1082	if (is_head ())
1020	if (sound_destroy)	1083	if (sound_destroy)
1021	play_sound (sound_destroy);	1084	play_sound (sound_destroy);
1022	else if (flag [FLAG_MONSTER])	1085	else if (flag [FLAG_MONSTER])
…		…
1033	* the previous environment.	1096	* the previous environment.
1034	*/	1097	*/
1035	void	1098	void
1036	object::do_remove ()	1099	object::do_remove ()
1037	{	1100	{
1038	object *tmp, *last = 0;
1039	object *otmp;
1040
1041	if (flag [FLAG_REMOVED])	1101	if (flag [FLAG_REMOVED])
1042	return;	1102	return;
1043		1103
1044	INVOKE_OBJECT (REMOVE, this);	1104	INVOKE_OBJECT (REMOVE, this);
1045		1105
…		…
1057	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed	1117	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1058	if (object *pl = visible_to ())	1118	if (object *pl = visible_to ())
1059	esrv_del_item (pl->contr, count);	1119	esrv_del_item (pl->contr, count);
1060	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed	1120	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1061		1121
1062	adjust_weight (env, -total_weight ());	1122	adjust_weight (env, total_weight (), 0);
		1123
		1124	object *pl = in_player ();
1063		1125
1064	/* we set up values so that it could be inserted into	1126	/* we set up values so that it could be inserted into
1065	* the map, but we don't actually do that - it is up	1127	* the map, but we don't actually do that - it is up
1066	* to the caller to decide what we want to do.	1128	* to the caller to decide what we want to do.
1067	*/	1129	*/
…		…
1075		1137
1076	above = 0;	1138	above = 0;
1077	below = 0;	1139	below = 0;
1078	env = 0;	1140	env = 0;
1079		1141
1080	/* NO_FIX_PLAYER is set when a great many changes are being	1142	if (pl && pl->is_player ())
1081	* made to players inventory. If set, avoiding the call
1082	* to save cpu time.
1083	*/	1143	{
1084	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1144	if (expect_false (pl->contr->combat_ob == this))
1085	otmp->update_stats ();	1145	{
		1146	pl->apply (pl->contr->combat_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1147	pl->contr->combat_ob = 0;
		1148	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1149	}
		1150
		1151	if (expect_false (pl->contr->ranged_ob == this))
		1152	{
		1153	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1154	pl->contr->ranged_ob = 0;
		1155	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1156	}
		1157
		1158	pl->contr->queue_stats_update ();
		1159
		1160	if (expect_false (glow_radius) && pl->is_on_map ())
		1161	update_all_los (pl->map, pl->x, pl->y);
		1162	}
1086	}	1163	}
1087	else if (map)	1164	else if (map)
1088	{	1165	{
1089	map->dirty = true;	1166	map->dirty = true;
1090	mapspace &ms = this->ms ();	1167	mapspace &ms = this->ms ();
1091		1168
1092	if (object *pl = ms.player ())	1169	if (object *pl = ms.player ())
1093	{	1170	{
1094	if (type == PLAYER) // this == pl(!)	1171	if (is_player ())
1095	{	1172	{
		1173	if (!flag [FLAG_WIZPASS])
		1174	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1175
1096	// leaving a spot always closes any open container on the ground	1176	// leaving a spot always closes any open container on the ground
1097	if (container && !container->env)	1177	if (container && !container->env)
1098	// this causes spurious floorbox updates, but it ensures	1178	// this causes spurious floorbox updates, but it ensures
1099	// that the CLOSE event is being sent.	1179	// that the CLOSE event is being sent.
1100	close_container ();	1180	close_container ();
1101		1181
1102	--map->players;	1182	--map->players;
1103	map->touch ();	1183	map->touch ();
1104	}	1184	}
1105	else if (pl->container == this)	1185	else if (pl->container_ () == this)
1106	{	1186	{
1107	// removing a container should close it	1187	// removing a container should close it
1108	close_container ();	1188	close_container ();
1109	}	1189	}
1110		1190	else
1111	esrv_del_item (pl->contr, count);	1191	esrv_del_item (pl->contr, count);
1112	}	1192	}
1113		1193
1114	/* link the object above us */	1194	/* link the object above us */
1115	// re-link, make sure compiler can easily use cmove	1195	// re-link, make sure compiler can easily use cmove
1116	*(above ? &above->below : &ms.top) = below;	1196	*(above ? &above->below : &ms.top) = below;
1117	*(below ? &below->above : &ms.bot) = above;	1197	*(below ? &below->above : &ms.bot) = above;
1118		1198
1119	above = 0;	1199	above = 0;
1120	below = 0;	1200	below = 0;
1121		1201
		1202	ms.invalidate ();
		1203
1122	if (map->in_memory == MAP_SAVING)	1204	if (map->in_memory == MAP_SAVING)
1123	return;	1205	return;
1124		1206
1125	int check_walk_off = !flag [FLAG_NO_APPLY];	1207	int check_walk_off = !flag [FLAG_NO_APPLY];
1126		1208
1127	if (object *pl = ms.player ())	1209	if (object *pl = ms.player ())
1128	{	1210	{
1129	if (pl->container == this)	1211	if (pl->container_ () == this)
1130	/* If a container that the player is currently using somehow gets	1212	/* If a container that the player is currently using somehow gets
1131	* removed (most likely destroyed), update the player view	1213	* removed (most likely destroyed), update the player view
1132	* appropriately.	1214	* appropriately.
1133	*/	1215	*/
1134	pl->close_container ();	1216	pl->close_container ();
…		…
1138	//TODO: update floorbox to preserve ordering	1220	//TODO: update floorbox to preserve ordering
1139	if (pl->contr->ns)	1221	if (pl->contr->ns)
1140	pl->contr->ns->floorbox_update ();	1222	pl->contr->ns->floorbox_update ();
1141	}	1223	}
1142		1224
		1225	if (check_walk_off)
1143	for (tmp = ms.bot; tmp; tmp = tmp->above)	1226	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1144	{	1227	{
		1228	above = tmp->above;
		1229
1145	/* No point updating the players look faces if he is the object	1230	/* No point updating the players look faces if he is the object
1146	* being removed.	1231	* being removed.
1147	*/	1232	*/
1148		1233
1149	/* See if object moving off should effect something */	1234	/* See if object moving off should effect something */
1150	if (check_walk_off
1151	&& ((move_type & tmp->move_off)	1235	if ((move_type & tmp->move_off)
1152	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1236	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1153	{
1154	move_apply (tmp, this, 0);	1237	move_apply (tmp, this, 0);
1155
1156	if (destroyed ())
1157	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1158	}	1238	}
1159		1239
1160	last = tmp;	1240	if (affects_los ())
1161	}
1162
1163	/* last == NULL if there are no objects on this space */
1164	//TODO: this makes little sense, why only update the topmost object?
1165	if (!last)
1166	map->at (x, y).flags_ = 0;
1167	else
1168	update_object (last, UP_OBJ_REMOVE);
1169
1170	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1171	update_all_los (map, x, y);	1241	update_all_los (map, x, y);
1172	}	1242	}
1173	}	1243	}
1174		1244
1175	/*	1245	/*
…		…
1199	esrv_update_item (UPD_NROF, pl, top);	1269	esrv_update_item (UPD_NROF, pl, top);
1200		1270
1201	op->weight = 0; // cancel the addition above	1271	op->weight = 0; // cancel the addition above
1202	op->carrying = 0; // must be 0 already	1272	op->carrying = 0; // must be 0 already
1203		1273
1204	op->destroy (1);	1274	op->destroy ();
1205		1275
1206	return top;	1276	return top;
1207	}	1277	}
1208		1278
1209	return 0;	1279	return 0;
…		…
1217		1287
1218	object *prev = this;	1288	object *prev = this;
1219		1289
1220	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1290	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1221	{	1291	{
1222	object *op = arch_to_object (at);	1292	object *op = at->instance ();
1223		1293
1224	op->name = name;	1294	op->name = name;
1225	op->name_pl = name_pl;	1295	op->name_pl = name_pl;
1226	op->title = title;	1296	op->title = title;
1227		1297
…		…
1265	* Passing 0 for flag gives proper default values, so flag really only needs	1335	* Passing 0 for flag gives proper default values, so flag really only needs
1266	* to be set if special handling is needed.	1336	* to be set if special handling is needed.
1267	*	1337	*
1268	* Return value:	1338	* Return value:
1269	* new object if 'op' was merged with other object	1339	* new object if 'op' was merged with other object
1270	* NULL if 'op' was destroyed	1340	* NULL if there was an error (destroyed, blocked etc.)
1271	* just 'op' otherwise	1341	* just 'op' otherwise
1272	*/	1342	*/
1273	object *	1343	object *
1274	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1344	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1275	{	1345	{
1276	if (op->is_on_map ())
1277	{
1278	LOG (llevError, "insert_ob_in_map called for object already on map");
1279	abort ();
1280	}
1281
1282	if (op->env)
1283	{
1284	LOG (llevError, "insert_ob_in_map called for object in an inventory (proceeding)");
1285	op->remove ();	1346	op->remove ();
1286	}
1287		1347
1288	if (op->face && !face_info (op->face))//D TODO: remove soon	1348	if (m == &freed_map)//D TODO: remove soon
1289	{//D	1349	{//D
1290	LOG (llevError | logBacktrace, "op->face out of bounds: %s", op->debug_desc ());//D	1350	LOG (llevError | logBacktrace, "tries to insert object on freed objects map: %s", op->debug_desc ());//D
1291	op->face = 1;//D
1292	}//D	1351	}//D
1293		1352
1294	/* Ideally, the caller figures this out. However, it complicates a lot	1353	/* Ideally, the caller figures this out. However, it complicates a lot
1295	* of areas of callers (eg, anything that uses find_free_spot would now	1354	* of areas of callers (eg, anything that uses find_free_spot would now
1296	* need extra work	1355	* need extra work
1297	*/	1356	*/
		1357	maptile *newmap = m;
1298	if (!xy_normalise (m, op->x, op->y))	1358	if (!xy_normalise (newmap, op->x, op->y))
1299	{	1359	{
1300	op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found	1360	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1301	return 0;	1361	return 0;
1302	}	1362	}
1303		1363
1304	if (object *more = op->more)	1364	if (object *more = op->more)
1305	if (!insert_ob_in_map (more, m, originator, flag))	1365	if (!insert_ob_in_map (more, m, originator, flag))
1306	return 0;	1366	return 0;
1307		1367
1308	CLEAR_FLAG (op, FLAG_REMOVED);	1368	op->flag [FLAG_REMOVED] = false;
1309		1369	op->env = 0;
1310	op->map = m;	1370	op->map = newmap;
		1371
1311	mapspace &ms = op->ms ();	1372	mapspace &ms = op->ms ();
1312		1373
1313	/* this has to be done after we translate the coordinates.	1374	/* this has to be done after we translate the coordinates.
1314	*/	1375	*/
1315	if (op->nrof && !(flag & INS_NO_MERGE))	1376	if (op->nrof && !(flag & INS_NO_MERGE))
…		…
1318	{	1379	{
1319	// TODO: we actually want to update tmp, not op,	1380	// TODO: we actually want to update tmp, not op,
1320	// but some caller surely breaks when we return tmp	1381	// but some caller surely breaks when we return tmp
1321	// from here :/	1382	// from here :/
1322	op->nrof += tmp->nrof;	1383	op->nrof += tmp->nrof;
1323	tmp->destroy (1);	1384	tmp->destroy ();
1324	}	1385	}
1325		1386
1326	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1387	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1327	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1388	op->clr_flag (FLAG_INV_LOCKED);
1328		1389
1329	if (!QUERY_FLAG (op, FLAG_ALIVE))	1390	if (!op->flag [FLAG_ALIVE])
1330	CLEAR_FLAG (op, FLAG_NO_STEAL);	1391	op->clr_flag (FLAG_NO_STEAL);
1331		1392
1332	if (flag & INS_BELOW_ORIGINATOR)	1393	if (flag & INS_BELOW_ORIGINATOR)
1333	{	1394	{
1334	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1395	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1335	{	1396	{
1336	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1397	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1337	abort ();	1398	abort ();
1338	}	1399	}
1339		1400
1340	if (!originator->is_on_map ())	1401	if (!originator->is_on_map ())
		1402	{
1341	LOG (llevDebug | logBacktrace, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",	1403	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
1342	op->debug_desc (), originator->debug_desc ());	1404	op->debug_desc (), originator->debug_desc ());
		1405	abort ();
		1406	}
1343		1407
1344	op->above = originator;	1408	op->above = originator;
1345	op->below = originator->below;	1409	op->below = originator->below;
1346	originator->below = op;	1410	originator->below = op;
1347		1411
…		…
1367	* when lots of spells are cast in one area. Currently, it is presumed	1431	* when lots of spells are cast in one area. Currently, it is presumed
1368	* that flying non pickable objects are spell objects.	1432	* that flying non pickable objects are spell objects.
1369	*/	1433	*/
1370	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1434	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1371	{	1435	{
1372	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))	1436	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1373	floor = tmp;	1437	floor = tmp;
1374		1438
1375	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))	1439	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1376	{	1440	{
1377	/* We insert above top, so we want this object below this */	1441	/* We insert above top, so we want this object below this */
1378	top = tmp->below;	1442	top = tmp->below;
1379	break;	1443	break;
1380	}	1444	}
…		…
1398	&& (op->face && !faces [op->face].visibility))	1462	&& (op->face && !faces [op->face].visibility))
1399	{	1463	{
1400	object *last;	1464	object *last;
1401		1465
1402	for (last = top; last != floor; last = last->below)	1466	for (last = top; last != floor; last = last->below)
1403	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1467	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1404	break;	1468	break;
1405		1469
1406	/* Check to see if we found the object that blocks view,	1470	/* Check to see if we found the object that blocks view,
1407	* and make sure we have a below pointer for it so that	1471	* and make sure we have a below pointer for it so that
1408	* we can get inserted below this one, which requires we	1472	* we can get inserted below this one, which requires we
…		…
1433	op->below = top;	1497	op->below = top;
1434	*(op->above ? &op->above->below : &ms.top) = op;	1498	*(op->above ? &op->above->below : &ms.top) = op;
1435	}	1499	}
1436	}	1500	}
1437		1501
1438	if (op->type == PLAYER)	1502	if (op->is_player ())
1439	{	1503	{
1440	op->contr->do_los = 1;	1504	op->contr->do_los = 1;
1441	++op->map->players;	1505	++op->map->players;
1442	op->map->touch ();	1506	op->map->touch ();
1443	}	1507	}
…		…
1458	* be far away from this change and not affected in any way -	1522	* be far away from this change and not affected in any way -
1459	* this should get redone to only look for players within range,	1523	* this should get redone to only look for players within range,
1460	* or just updating the P_UPTODATE for spaces within this area	1524	* or just updating the P_UPTODATE for spaces within this area
1461	* of effect may be sufficient.	1525	* of effect may be sufficient.
1462	*/	1526	*/
1463	if (op->map->darkness && (op->glow_radius != 0))	1527	if (op->affects_los ())
		1528	{
		1529	op->ms ().invalidate ();
1464	update_all_los (op->map, op->x, op->y);	1530	update_all_los (op->map, op->x, op->y);
		1531	}
1465		1532
1466	/* updates flags (blocked, alive, no magic, etc) for this map space */	1533	/* updates flags (blocked, alive, no magic, etc) for this map space */
1467	update_object (op, UP_OBJ_INSERT);	1534	update_object (op, UP_OBJ_INSERT);
1468		1535
1469	INVOKE_OBJECT (INSERT, op);	1536	INVOKE_OBJECT (INSERT, op);
…		…
1476	* blocked() and wall() work properly), and these flags are updated by	1543	* blocked() and wall() work properly), and these flags are updated by
1477	* update_object().	1544	* update_object().
1478	*/	1545	*/
1479		1546
1480	/* if this is not the head or flag has been passed, don't check walk on status */	1547	/* if this is not the head or flag has been passed, don't check walk on status */
1481	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1548	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1482	{	1549	{
1483	if (check_move_on (op, originator))	1550	if (check_move_on (op, originator, flag))
1484	return 0;	1551	return 0;
1485		1552
1486	/* If we are a multi part object, lets work our way through the check	1553	/* If we are a multi part object, let's work our way through the check
1487	* walk on's.	1554	* walk on's.
1488	*/	1555	*/
1489	for (object *tmp = op->more; tmp; tmp = tmp->more)	1556	for (object *tmp = op->more; tmp; tmp = tmp->more)
1490	if (check_move_on (tmp, originator))	1557	if (check_move_on (tmp, originator, flag))
1491	return 0;	1558	return 0;
1492	}	1559	}
1493		1560
1494	return op;	1561	return op;
1495	}	1562	}
…		…
1497	/* this function inserts an object in the map, but if it	1564	/* this function inserts an object in the map, but if it
1498	* finds an object of its own type, it'll remove that one first.	1565	* finds an object of its own type, it'll remove that one first.
1499	* op is the object to insert it under: supplies x and the map.	1566	* op is the object to insert it under: supplies x and the map.
1500	*/	1567	*/
1501	void	1568	void
1502	replace_insert_ob_in_map (const char *arch_string, object *op)	1569	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1503	{	1570	{
1504	/* first search for itself and remove any old instances */	1571	/* first search for itself and remove any old instances */
1505		1572
1506	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)	1573	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1507	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1574	if (tmp->arch->archname == archname) /* same archetype */
1508	tmp->destroy (1);	1575	tmp->destroy ();
1509		1576
1510	object *tmp = arch_to_object (archetype::find (arch_string));	1577	object *tmp = archetype::find (archname)->instance ();
1511		1578
1512	tmp->x = op->x;	1579	tmp->x = op->x;
1513	tmp->y = op->y;	1580	tmp->y = op->y;
1514		1581
1515	insert_ob_in_map (tmp, op->map, op, 0);	1582	insert_ob_in_map (tmp, op->map, op, 0);
…		…
1520	{	1587	{
1521	if (where->env)	1588	if (where->env)
1522	return where->env->insert (this);	1589	return where->env->insert (this);
1523	else	1590	else
1524	return where->map->insert (this, where->x, where->y, originator, flags);	1591	return where->map->insert (this, where->x, where->y, originator, flags);
		1592	}
		1593
		1594	// check whether we can put this into the map, respect max_volume, max_items
		1595	bool
		1596	object::can_drop_at (maptile *m, int x, int y, object *originator)
		1597	{
		1598	mapspace &ms = m->at (x, y);
		1599
		1600	int items = ms.items ();
		1601
		1602	if (!items // testing !items ensures we can drop at least one item
		1603	|| (items < m->max_items
		1604	&& ms.volume () < m->max_volume))
		1605	return true;
		1606
		1607	if (originator && originator->is_player ())
		1608	originator->contr->failmsgf (
		1609	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
		1610	query_name ()
		1611	);
		1612
		1613	return false;
1525	}	1614	}
1526		1615
1527	/*	1616	/*
1528	* decrease(object, number) decreases a specified number from	1617	* decrease(object, number) decreases a specified number from
1529	* the amount of an object. If the amount reaches 0, the object	1618	* the amount of an object. If the amount reaches 0, the object
…		…
1537	if (!nr)	1626	if (!nr)
1538	return true;	1627	return true;
1539		1628
1540	nr = min (nr, nrof);	1629	nr = min (nr, nrof);
1541		1630
		1631	if (nrof > nr)
		1632	{
		1633	sint64 oweight = total_weight ();
		1634
1542	nrof -= nr;	1635	nrof -= nr;
1543
1544	if (nrof)
1545	{
1546	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
1547		1636
1548	if (object *pl = visible_to ())	1637	if (object *pl = visible_to ())
1549	esrv_update_item (UPD_NROF, pl, this);	1638	esrv_update_item (UPD_NROF, pl, this);
1550		1639
		1640	adjust_weight (env, oweight, total_weight ());
		1641
1551	return true;	1642	return true;
1552	}	1643	}
1553	else	1644	else
1554	{	1645	{
1555	destroy (1);	1646	destroy ();
1556	return false;	1647	return false;
1557	}	1648	}
1558	}	1649	}
1559		1650
1560	/*	1651	/*
…		…
1629	if (op->nrof)	1720	if (op->nrof)
1630	for (object *tmp = inv; tmp; tmp = tmp->below)	1721	for (object *tmp = inv; tmp; tmp = tmp->below)
1631	if (object::can_merge (tmp, op))	1722	if (object::can_merge (tmp, op))
1632	{	1723	{
1633	/* return the original object and remove inserted object	1724	/* return the original object and remove inserted object
1634	(client needs the original object) */	1725	(client prefers the original object) */
		1726
		1727	// carring must be 0 for mergable objects
		1728	sint64 oweight = tmp->weight * tmp->nrof;
		1729
1635	tmp->nrof += op->nrof;	1730	tmp->nrof += op->nrof;
1636		1731
1637	if (object *pl = tmp->visible_to ())	1732	if (object *pl = tmp->visible_to ())
1638	esrv_update_item (UPD_NROF, pl, tmp);	1733	esrv_update_item (UPD_NROF, pl, tmp);
1639		1734
1640	adjust_weight (this, op->total_weight ());	1735	adjust_weight (this, oweight, tmp->weight * tmp->nrof);
1641		1736
1642	op->destroy (1);	1737	op->destroy ();
1643	op = tmp;	1738	op = tmp;
1644	goto inserted;	1739	goto inserted;
1645	}	1740	}
1646		1741
1647	op->owner = 0; // it's his/hers now. period.	1742	op->owner = 0; // it's his/hers now. period.
…		…
1661	op->flag [FLAG_REMOVED] = 0;	1756	op->flag [FLAG_REMOVED] = 0;
1662		1757
1663	if (object *pl = op->visible_to ())	1758	if (object *pl = op->visible_to ())
1664	esrv_send_item (pl, op);	1759	esrv_send_item (pl, op);
1665		1760
1666	adjust_weight (this, op->total_weight ());	1761	adjust_weight (this, 0, op->total_weight ());
1667		1762
1668	inserted:	1763	inserted:
1669	/* reset the light list and los of the players on the map */	1764	/* reset the light list and los of the players on the map */
1670	if (op->glow_radius && map && map->darkness)	1765	if (op->glow_radius && is_on_map ())
		1766	{
		1767	update_stats ();
1671	update_all_los (map, x, y);	1768	update_all_los (map, x, y);
1672		1769	}
		1770	else if (is_player ())
1673	// if this is a player's inventory, update stats	1771	// if this is a player's inventory, update stats
1674	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])	1772	contr->queue_stats_update ();
1675	update_stats ();
1676		1773
1677	INVOKE_OBJECT (INSERT, this);	1774	INVOKE_OBJECT (INSERT, this);
1678		1775
1679	return op;	1776	return op;
1680	}	1777	}
…		…
1698	* MSW 2001-07-08: Check all objects on space, not just those below	1795	* MSW 2001-07-08: Check all objects on space, not just those below
1699	* object being inserted. insert_ob_in_map may not put new objects	1796	* object being inserted. insert_ob_in_map may not put new objects
1700	* on top.	1797	* on top.
1701	*/	1798	*/
1702	int	1799	int
1703	check_move_on (object *op, object *originator)	1800	check_move_on (object *op, object *originator, int flags)
1704	{	1801	{
		1802	if (op->flag [FLAG_NO_APPLY])
		1803	return 0;
		1804
1705	object *tmp;	1805	object *tmp;
1706	maptile *m = op->map;	1806	maptile *m = op->map;
1707	int x = op->x, y = op->y;	1807	int x = op->x, y = op->y;
1708		1808
1709	MoveType move_on, move_slow, move_block;	1809	mapspace &ms = m->at (x, y);
1710		1810
1711	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1811	ms.update ();
1712	return 0;
1713		1812
1714	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1813	MoveType move_on = ms.move_on;
1715	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1814	MoveType move_slow = ms.move_slow;
1716	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1815	MoveType move_block = ms.move_block;
1717		1816
1718	/* if nothing on this space will slow op down or be applied,	1817	/* if nothing on this space will slow op down or be applied,
1719	* no need to do checking below. have to make sure move_type	1818	* no need to do checking below. have to make sure move_type
1720	* is set, as lots of objects don't have it set - we treat that	1819	* is set, as lots of objects don't have it set - we treat that
1721	* as walking.	1820	* as walking.
…		…
1732	return 0;	1831	return 0;
1733		1832
1734	/* The objects have to be checked from top to bottom.	1833	/* The objects have to be checked from top to bottom.
1735	* Hence, we first go to the top:	1834	* Hence, we first go to the top:
1736	*/	1835	*/
1737		1836	for (object *next, *tmp = ms.top; tmp; tmp = next)
1738	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1739	{
1740	/* Trim the search when we find the first other spell effect
1741	* this helps performance so that if a space has 50 spell objects,
1742	* we don't need to check all of them.
1743	*/
1744	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1745	break;
1746	}	1837	{
		1838	next = tmp->below;
1747		1839
1748	for (; tmp; tmp = tmp->below)
1749	{
1750	if (tmp == op)	1840	if (tmp == op)
1751	continue; /* Can't apply yourself */	1841	continue; /* Can't apply yourself */
1752		1842
1753	/* Check to see if one of the movement types should be slowed down.	1843	/* Check to see if one of the movement types should be slowed down.
1754	* Second check makes sure that the movement types not being slowed	1844	* Second check makes sure that the movement types not being slowed
1755	* (~slow_move) is not blocked on this space - just because the	1845	* (~slow_move) is not blocked on this space - just because the
1756	* space doesn't slow down swimming (for example), if you can't actually	1846	* space doesn't slow down swimming (for example), if you can't actually
1757	* swim on that space, can't use it to avoid the penalty.	1847	* swim on that space, can't use it to avoid the penalty.
1758	*/	1848	*/
1759	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1849	if (!op->flag [FLAG_WIZPASS])
1760	{	1850	{
1761	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1851	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1762	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1852	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1763	{	1853	{
1764
1765	float
1766	diff = tmp->move_slow_penalty * fabs (op->speed);	1854	float diff = tmp->move_slow_penalty * fabs (op->speed);
1767		1855
1768	if (op->type == PLAYER)	1856	if (op->is_player ())
1769	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1857	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1770	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1858	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1771	diff /= 4.0;	1859	diff /= 4.0;
1772		1860
1773	op->speed_left -= diff;	1861	op->speed_left -= diff;
1774	}	1862	}
1775	}	1863	}
1776		1864
1777	/* Basically same logic as above, except now for actual apply. */	1865	/* Basically same logic as above, except now for actual apply. */
1778	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1866	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1779	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1867	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1780	{	1868	{
		1869	if ((flags & INS_NO_AUTO_EXIT)
		1870	&& (tmp->type == EXIT || tmp->type == TELEPORTER
		1871	|| tmp->type == HOLE || tmp->type == TRAPDOOR)) //TODO: temporary, fix exits instead
		1872	continue;
		1873
1781	move_apply (tmp, op, originator);	1874	move_apply (tmp, op, originator);
1782		1875
1783	if (op->destroyed ())	1876	if (op->destroyed ())
1784	return 1;	1877	return 1;
1785		1878
…		…
1897	void	1990	void
1898	flag_inv (object *op, int flag)	1991	flag_inv (object *op, int flag)
1899	{	1992	{
1900	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1993	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1901	{	1994	{
1902	SET_FLAG (tmp, flag);	1995	tmp->set_flag (flag);
1903	flag_inv (tmp, flag);	1996	flag_inv (tmp, flag);
1904	}	1997	}
1905	}	1998	}
1906		1999
1907	/*	2000	/*
…		…
1910	void	2003	void
1911	unflag_inv (object *op, int flag)	2004	unflag_inv (object *op, int flag)
1912	{	2005	{
1913	for (object *tmp = op->inv; tmp; tmp = tmp->below)	2006	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1914	{	2007	{
1915	CLEAR_FLAG (tmp, flag);	2008	tmp->clr_flag (flag);
1916	unflag_inv (tmp, flag);	2009	unflag_inv (tmp, flag);
1917	}	2010	}
1918	}	2011	}
1919		2012
1920	/*	2013	/*
…		…
1981	* head of the object should correspond for the entire object.	2074	* head of the object should correspond for the entire object.
1982	*/	2075	*/
1983	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	2076	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
1984	continue;	2077	continue;
1985		2078
1986	if (ob->blocked (m, pos.x, pos.y))	2079	if (ob->blocked (pos.m, pos.x, pos.y))
1987	continue;	2080	continue;
1988		2081
1989	altern [index++] = i;	2082	altern [index++] = i;
1990	}	2083	}
1991		2084
…		…
2059	* there is capable of.	2152	* there is capable of.
2060	*/	2153	*/
2061	int	2154	int
2062	find_dir (maptile *m, int x, int y, object *exclude)	2155	find_dir (maptile *m, int x, int y, object *exclude)
2063	{	2156	{
2064	int i, max = SIZEOFFREE, mflags;	2157	int max = SIZEOFFREE, mflags;
2065
2066	sint16 nx, ny;
2067	object *tmp;
2068	maptile *mp;
2069
2070	MoveType blocked, move_type;	2158	MoveType move_type;
2071		2159
2072	if (exclude && exclude->head_ () != exclude)	2160	if (exclude && exclude->head_ () != exclude)
2073	{	2161	{
2074	exclude = exclude->head;	2162	exclude = exclude->head;
2075	move_type = exclude->move_type;	2163	move_type = exclude->move_type;
…		…
2078	{	2166	{
2079	/* If we don't have anything, presume it can use all movement types. */	2167	/* If we don't have anything, presume it can use all movement types. */
2080	move_type = MOVE_ALL;	2168	move_type = MOVE_ALL;
2081	}	2169	}
2082		2170
2083	for (i = 1; i < max; i++)	2171	for (int i = 1; i < max; i++)
2084	{	2172	{
2085	mp = m;	2173	mapxy pos (m, x, y);
2086	nx = x + freearr_x[i];	2174	pos.move (i);
2087	ny = y + freearr_y[i];
2088		2175
2089	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2176	if (!pos.normalise ())
2090
2091	if (mflags & P_OUT_OF_MAP)
2092	max = maxfree[i];	2177	max = maxfree[i];
2093	else	2178	else
2094	{	2179	{
2095	mapspace &ms = mp->at (nx, ny);	2180	mapspace &ms = *pos;
2096		2181
2097	blocked = ms.move_block;
2098
2099	if ((move_type & blocked) == move_type)	2182	if ((move_type & ms.move_block) == move_type)
2100	max = maxfree[i];	2183	max = maxfree [i];
2101	else if (mflags & P_IS_ALIVE)	2184	else if (ms.flags () & P_IS_ALIVE)
2102	{	2185	{
2103	for (tmp = ms.bot; tmp; tmp = tmp->above)	2186	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2104	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2187	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2105	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2188	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2106	break;
2107
2108	if (tmp)
2109	return freedir[i];	2189	return freedir [i];
2110	}	2190	}
2111	}	2191	}
2112	}	2192	}
2113		2193
2114	return 0;	2194	return 0;
…		…
2123	{	2203	{
2124	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2204	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2125	}	2205	}
2126		2206
2127	/*	2207	/*
2128	* find_dir_2(delta-x,delta-y) will return a direction in which	2208	* find_dir_2(delta-x,delta-y) will return a direction value
2129	* an object which has subtracted the x and y coordinates of another	2209	* for running into direct [dx, dy].
2130	* object, needs to travel toward it.	2210	* (the opposite of crossfire's find_dir_2!)
2131	*/	2211	*/
2132	int	2212	int
2133	find_dir_2 (int x, int y)	2213	find_dir_2 (int x, int y)
2134	{	2214	{
		2215	#if 1 // new algorithm
		2216	// this works by putting x, y into 16 sectors, which
		2217	// are not equal sized, but are a better approximation
		2218	// then the old algorithm, and then using a mapping
		2219	// table to map it into a direction value.
		2220	// basically, it maps these comparisons to each bit
		2221	// bit #3: x < 0
		2222	// bit #2: y < 0
		2223	// bit #1: x > y
		2224	// bit #0: x > 2y
		2225
		2226	static const uint8 dir[16] = {
		2227	4, 5, 4, 3,
		2228	2, 1, 2, 3,
		2229	6, 5, 6, 7,
		2230	8, 1, 8, 7,
		2231	};
		2232	int sector = 0;
		2233
		2234	// this is a bit ugly, but more likely to result in branchless code
		2235	sector |= x < 0 ? 8 : 0;
		2236	x = x < 0 ? -x : x; // abs
		2237
		2238	sector |= y < 0 ? 4 : 0;
		2239	y = y < 0 ? -y : y; // abs
		2240
		2241	if (x > y)
		2242	{
		2243	sector |= 2;
		2244
		2245	if (x > y * 2)
		2246	sector |= 1;
		2247	}
		2248	else
		2249	{
		2250	if (y > x * 2)
		2251	sector |= 1;
		2252	else if (!y)
		2253	return 0; // x == 0 here
		2254	}
		2255
		2256	return dir [sector];
		2257	#else // old algorithm
2135	int q;	2258	int q;
2136		2259
2137	if (y)	2260	if (y)
2138	q = x * 100 / y;	2261	q = 128 * x / y;
2139	else if (x)	2262	else if (x)
2140	q = -300 * x;	2263	q = -512 * x; // to make it > 309
2141	else	2264	else
2142	return 0;	2265	return 0;
2143		2266
2144	if (y > 0)	2267	if (y > 0)
2145	{	2268	{
2146	if (q < -242)	2269	if (q < -309) return 7;
		2270	if (q < -52) return 6;
		2271	if (q < 52) return 5;
		2272	if (q < 309) return 4;
		2273
2147	return 3;	2274	return 3;
2148	if (q < -41)	2275	}
2149	return 2;	2276	else
2150	if (q < 41)	2277	{
2151	return 1;	2278	if (q < -309) return 3;
2152	if (q < 242)	2279	if (q < -52) return 2;
2153	return 8;	2280	if (q < 52) return 1;
		2281	if (q < 309) return 8;
		2282
2154	return 7;	2283	return 7;
2155	}	2284	}
2156		2285	#endif
2157	if (q < -242)
2158	return 7;
2159	if (q < -41)
2160	return 6;
2161	if (q < 41)
2162	return 5;
2163	if (q < 242)
2164	return 4;
2165
2166	return 3;
2167	}	2286	}
2168		2287
2169	/*	2288	/*
2170	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2289	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2171	* between two directions (which are expected to be absolute (see absdir())	2290	* between two directions (which are expected to be absolute (see absdir())
2172	*/	2291	*/
2173	int	2292	int
2174	dirdiff (int dir1, int dir2)	2293	dirdiff (int dir1, int dir2)
2175	{	2294	{
2176	int d;
2177
2178	d = abs (dir1 - dir2);	2295	int d = abs (dir1 - dir2);
2179	if (d > 4)
2180	d = 8 - d;
2181		2296
2182	return d;	2297	return d > 4 ? 8 - d : d;
2183	}	2298	}
2184		2299
2185	/* peterm:	2300	/* peterm:
2186	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2301	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2187	* Basically, this is a table of directions, and what directions	2302	* Basically, this is a table of directions, and what directions
…		…
2189	* This basically means that if direction is 15, then it could either go	2304	* This basically means that if direction is 15, then it could either go
2190	* direction 4, 14, or 16 to get back to where we are.	2305	* direction 4, 14, or 16 to get back to where we are.
2191	* Moved from spell_util.c to object.c with the other related direction	2306	* Moved from spell_util.c to object.c with the other related direction
2192	* functions.	2307	* functions.
2193	*/	2308	*/
2194	int reduction_dir[SIZEOFFREE][3] = {	2309	static const int reduction_dir[SIZEOFFREE][3] = {
2195	{0, 0, 0}, /* 0 */	2310	{0, 0, 0}, /* 0 */
2196	{0, 0, 0}, /* 1 */	2311	{0, 0, 0}, /* 1 */
2197	{0, 0, 0}, /* 2 */	2312	{0, 0, 0}, /* 2 */
2198	{0, 0, 0}, /* 3 */	2313	{0, 0, 0}, /* 3 */
2199	{0, 0, 0}, /* 4 */	2314	{0, 0, 0}, /* 4 */
…		…
2293	* Add a check so we can't pick up invisible objects (0.93.8)	2408	* Add a check so we can't pick up invisible objects (0.93.8)
2294	*/	2409	*/
2295	int	2410	int
2296	can_pick (const object *who, const object *item)	2411	can_pick (const object *who, const object *item)
2297	{	2412	{
2298	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2413	return /*who->flag [FLAG_WIZ]|| */
2299	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2414	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2300	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2415	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2301	}	2416	}
2302		2417
2303	/*	2418	/*
2304	* create clone from object to another	2419	* create clone from object to another
2305	*/	2420	*/
…		…
2337	return tmp;	2452	return tmp;
2338		2453
2339	return 0;	2454	return 0;
2340	}	2455	}
2341		2456
2342	const shstr &	2457	/* Zero the key_values on op, decrementing the shared-string
2343	object::kv_get (const shstr &key) const	2458	* refcounts and freeing the links.
		2459	*/
		2460	void
		2461	key_values::clear ()
2344	{	2462	{
		2463	for (key_value *kvp = first; kvp; )
		2464	{
		2465	key_value *next = kvp->next;
		2466	delete kvp;
		2467	kvp = next;
		2468	}
		2469
		2470	first = 0;
		2471	}
		2472
		2473	shstr_tmp
		2474	key_values::get (shstr_tmp key) const
		2475	{
2345	for (key_value *kv = key_values; kv; kv = kv->next)	2476	for (key_value *kv = first; kv; kv = kv->next)
2346	if (kv->key == key)	2477	if (kv->key == key)
2347	return kv->value;	2478	return kv->value;
2348		2479
2349	return shstr_null;	2480	return shstr ();
2350	}	2481	}
2351		2482
2352	void	2483	void
2353	object::kv_set (const shstr &key, const shstr &value)	2484	key_values::add (shstr_tmp key, shstr_tmp value)
2354	{	2485	{
		2486	key_value *kv = new key_value;
		2487
		2488	kv->next = first;
		2489	kv->key = key;
		2490	kv->value = value;
		2491
		2492	first = kv;
		2493	}
		2494
		2495	void
		2496	key_values::set (shstr_tmp key, shstr_tmp value)
		2497	{
2355	for (key_value *kv = key_values; kv; kv = kv->next)	2498	for (key_value *kv = first; kv; kv = kv->next)
2356	if (kv->key == key)	2499	if (kv->key == key)
2357	{	2500	{
2358	kv->value = value;	2501	kv->value = value;
2359	return;	2502	return;
2360	}	2503	}
2361		2504
2362	key_value *kv = new key_value;	2505	add (key, value);
2363
2364	kv->next = key_values;
2365	kv->key = key;
2366	kv->value = value;
2367
2368	key_values = kv;
2369	}	2506	}
2370		2507
2371	void	2508	void
2372	object::kv_del (const shstr &key)	2509	key_values::del (shstr_tmp key)
2373	{	2510	{
2374	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)	2511	for (key_value **kvp = &first; *kvp; kvp = &(*kvp)->next)
2375	if ((*kvp)->key == key)	2512	if ((*kvp)->key == key)
2376	{	2513	{
2377	key_value *kv = *kvp;	2514	key_value *kv = *kvp;
2378	*kvp = (*kvp)->next;	2515	*kvp = (*kvp)->next;
2379	delete kv;	2516	delete kv;
2380	return;	2517	return;
2381	}	2518	}
		2519	}
		2520
		2521	void
		2522	key_values::reverse ()
		2523	{
		2524	key_value *prev = 0;
		2525	key_value *head = first;
		2526
		2527	while (head)
		2528	{
		2529	key_value *node = head;
		2530	head = head->next;
		2531	node->next = prev;
		2532	prev = node;
		2533	}
		2534
		2535	first = prev;
		2536	}
		2537
		2538	key_values &
		2539	key_values::operator =(const key_values &kv)
		2540	{
		2541	clear ();
		2542
		2543	for (key_value *kvp = kv.first; kvp; kvp = kvp->next)
		2544	add (kvp->key, kvp->value);
		2545
		2546	reverse ();
2382	}	2547	}
2383		2548
2384	object::depth_iterator::depth_iterator (object *container)	2549	object::depth_iterator::depth_iterator (object *container)
2385	: iterator_base (container)	2550	: iterator_base (container)
2386	{	2551	{
…		…
2470	{	2635	{
2471	return map ? map->region (x, y)	2636	return map ? map->region (x, y)
2472	: region::default_region ();	2637	: region::default_region ();
2473	}	2638	}
2474		2639
2475	const materialtype_t *
2476	object::dominant_material () const
2477	{
2478	if (materialtype_t *mt = name_to_material (materialname))
2479	return mt;
2480
2481	return name_to_material (shstr_unknown);
2482	}
2483
2484	void	2640	void
2485	object::open_container (object *new_container)	2641	object::open_container (object *new_container)
2486	{	2642	{
2487	if (container == new_container)	2643	if (container == new_container)
2488	return;	2644	return;
…		…
2508	container = 0;	2664	container = 0;
2509		2665
2510	// client needs item update to make it work, client bug requires this to be separate	2666	// client needs item update to make it work, client bug requires this to be separate
2511	esrv_update_item (UPD_FLAGS, this, old_container);	2667	esrv_update_item (UPD_FLAGS, this, old_container);
2512		2668
2513	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2669	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2514	play_sound (sound_find ("chest_close"));	2670	play_sound (sound_find ("chest_close"));
2515	}	2671	}
2516		2672
2517	if (new_container)	2673	if (new_container)
2518	{	2674	{
…		…
2522	// TODO: this does not seem to serve any purpose anymore?	2678	// TODO: this does not seem to serve any purpose anymore?
2523	#if 0	2679	#if 0
2524	// insert the "Close Container" object.	2680	// insert the "Close Container" object.
2525	if (archetype *closer = new_container->other_arch)	2681	if (archetype *closer = new_container->other_arch)
2526	{	2682	{
2527	object *closer = arch_to_object (new_container->other_arch);	2683	object *closer = new_container->other_arch->instance ();
2528	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2684	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2529	new_container->insert (closer);	2685	new_container->insert (closer);
2530	}	2686	}
2531	#endif	2687	#endif
2532		2688
2533	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2689	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2534		2690
2535	// make sure the container is available, client bug requires this to be separate	2691	// make sure the container is available, client bug requires this to be separate
2536	esrv_send_item (this, new_container);	2692	esrv_send_item (this, new_container);
2537		2693
2538	new_container->flag [FLAG_APPLIED] = true;	2694	new_container->flag [FLAG_APPLIED] = true;
…		…
2546	// else if (!old_container->env && contr && contr->ns)	2702	// else if (!old_container->env && contr && contr->ns)
2547	// contr->ns->floorbox_reset ();	2703	// contr->ns->floorbox_reset ();
2548	}	2704	}
2549		2705
2550	object *	2706	object *
2551	object::force_find (const shstr name)	2707	object::force_find (shstr_tmp name)
2552	{	2708	{
2553	/* cycle through his inventory to look for the MARK we want to	2709	/* cycle through his inventory to look for the MARK we want to
2554	* place	2710	* place
2555	*/	2711	*/
2556	for (object *tmp = inv; tmp; tmp = tmp->below)	2712	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2558	return splay (tmp);	2714	return splay (tmp);
2559		2715
2560	return 0;	2716	return 0;
2561	}	2717	}
2562		2718
		2719	//-GPL
		2720
2563	void	2721	void
		2722	object::force_set_timer (int duration)
		2723	{
		2724	this->duration = 1;
		2725	this->speed_left = -1.f;
		2726
		2727	this->set_speed (duration ? 1.f / duration : 0.f);
		2728	}
		2729
		2730	object *
2564	object::force_add (const shstr name, int duration)	2731	object::force_add (shstr_tmp name, int duration)
2565	{	2732	{
2566	if (object *force = force_find (name))	2733	if (object *force = force_find (name))
2567	force->destroy ();	2734	force->destroy ();
2568		2735
2569	object *force = get_archetype (FORCE_NAME);	2736	object *force = archetype::get (FORCE_NAME);
2570		2737
2571	force->slaying = name;	2738	force->slaying = name;
2572	force->stats.food = 1;	2739	force->force_set_timer (duration);
2573	force->speed_left = -1.f;
2574
2575	force->set_speed (duration ? 1.f / duration : 0.f);
2576	force->flag [FLAG_IS_USED_UP] = true;
2577	force->flag [FLAG_APPLIED] = true;	2740	force->flag [FLAG_APPLIED] = true;
2578		2741
2579	insert (force);	2742	return insert (force);
2580	}	2743	}
2581		2744
2582	void	2745	void
2583	object::play_sound (faceidx sound)	2746	object::play_sound (faceidx sound) const
2584	{	2747	{
2585	if (!sound)	2748	if (!sound)
2586	return;	2749	return;
2587		2750
2588	if (flag [FLAG_REMOVED])	2751	if (is_on_map ())
		2752	map->play_sound (sound, x, y);
		2753	else if (object *pl = in_player ())
		2754	pl->contr->play_sound (sound);
		2755	}
		2756
		2757	void
		2758	object::say_msg (const char *msg) const
		2759	{
		2760	if (is_on_map ())
		2761	map->say_msg (msg, x, y);
		2762	else if (object *pl = in_player ())
		2763	pl->contr->play_sound (sound);
		2764	}
		2765
		2766	void
		2767	object::make_noise ()
		2768	{
		2769	// we do not model noise in the map, so instead put
		2770	// a temporary light into the noise source
		2771	// could use the map instead, but that's less reliable for our
		2772	// goal, which is to make invisibility a bit harder to exploit
		2773
		2774	// currently only works sensibly for players
		2775	if (!is_player ())
2589	return;	2776	return;
2590		2777
2591	if (env)	2778	// find old force, or create new one
2592	{	2779	object *force = force_find (shstr_noise_force);
2593	if (object *pl = in_player ())	2780
2594	pl->contr->play_sound (sound);	2781	if (force)
2595	}	2782	force->speed_left = -1.f; // patch old speed up
2596	else	2783	else
2597	map->play_sound (sound, x, y);	2784	{
2598	}	2785	force = archetype::get (shstr_noise_force);
2599		2786
		2787	force->slaying = shstr_noise_force;
		2788	force->stats.food = 1;
		2789	force->speed_left = -1.f;
		2790
		2791	force->set_speed (1.f / 4.f);
		2792	force->flag [FLAG_IS_USED_UP] = true;
		2793	force->flag [FLAG_APPLIED] = true;
		2794
		2795	insert (force);
		2796	}
		2797	}
		2798
		2799	void object::change_move_type (MoveType mt)
		2800	{
		2801	if (move_type == mt)
		2802	return;
		2803
		2804	if (is_on_map ())
		2805	{
		2806	// we are on the map, so handle move_on/off effects
		2807	remove ();
		2808	move_type = mt;
		2809	map->insert (this, x, y, this);
		2810	}
		2811	else
		2812	move_type = mt;
		2813	}
		2814
		2815	/* object should be a player.
		2816	* we return the object the player has marked with the 'mark' command
		2817	* below. If no match is found (or object has changed), we return
		2818	* NULL. We leave it up to the calling function to print messages if
		2819	* nothing is found.
		2820	*/
		2821	object *
		2822	object::mark () const
		2823	{
		2824	if (contr && contr->mark && contr->mark->env == this)
		2825	return contr->mark;
		2826	else
		2827	return 0;
		2828	}
		2829
		2830	// put marked object first in the inventory
		2831	// this is used by identify-like spells so players can influence
		2832	// the order a bit.
		2833	void
		2834	object::splay_marked ()
		2835	{
		2836	if (object *marked = mark ())
		2837	splay (marked);
		2838	}
		2839

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