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Comparing deliantra/server/common/object.C (file contents):
Revision 1.214 by root, Tue Apr 22 07:01:46 2008 UTC vs.
Revision 1.348 by root, Sat May 7 20:03:27 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	key_value *wants_field;
145
146	/* 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
147	* 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
148	* different structure or at least keep the lists sorted...	240	* different structure or at least keep the lists sorted...
149	*/	241	*/
150		242
151	/* For each field in wants, */	243	/* For each field in wants, */
152	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)
153	{	245	if (has->kv.get (kv->key) != kv->value)
154	key_value *has_field;	246	return false;
155
156	/* Look for a field in has with the same key. */
157	has_field = get_ob_key_link (has, wants_field->key);
158
159	if (!has_field)
160	return 0; /* No field with that name. */
161
162	/* Found the matching field. */
163	if (has_field->value != wants_field->value)
164	return 0; /* Values don't match, so this half of the comparison is false. */
165
166	/* If we get here, we found a match. Now for the next field in wants. */
167	}
168		247
169	/* 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. */
170	return 1;	249	return true;
171	}	250	}
172		251
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	252	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static bool	253	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	254	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	255	{
177	/* 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,
178	* so we need to run the comparison *twice*. :(	257	* so we need to run the comparison *twice*. :(
179	*/	258	*/
180	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);
181	}	261	}
182		262
183	/* 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
184	* they can be merged together.	264	* they can be merged together.
185	*	265	*
…		…
192	* Improvements made with merge: Better checking on potion, and also	272	* Improvements made with merge: Better checking on potion, and also
193	* check weight	273	* check weight
194	*/	274	*/
195	bool object::can_merge_slow (object *ob1, object *ob2)	275	bool object::can_merge_slow (object *ob1, object *ob2)
196	{	276	{
197	/* A couple quicksanity checks */	277	/* A couple quick sanity checks */
198	if (ob1 == ob2	278	if (ob1 == ob2
199	|| ob1->type != ob2->type	279	|| ob1->type != ob2->type
200	|| ob1->speed != ob2->speed
201	|| ob1->value != ob2->value	280	|| ob1->value != ob2->value
202	|| 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)
203	return 0;	284	return 0;
204		285
205	/* Do not merge objects if nrof would overflow. First part checks	286	/* Do not merge objects if nrof would overflow, assume nrof
206	* for unsigned overflow (2c), second part checks whether the result	287	* is always 0 .. 2**31-1 */
207	* would fit into a 32 bit signed int, which is often used to hold	288	if (ob1->nrof > 0x7fffffff - ob2->nrof)
208	* nrof values.
209	*/
210	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
211	return 0;	289	return 0;
212		290
213	/* If the objects have been identified, set the BEEN_APPLIED flag.	291	/* If the objects have been identified, set the BEEN_APPLIED flag.
214	* 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
215	* 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
216	* 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
217	* flags lose any meaning.	295	* flags lose any meaning.
218	*/	296	*/
219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	297	if (ob1->flag [FLAG_IDENTIFIED])
220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	298	ob1->set_flag (FLAG_BEEN_APPLIED);
221		299
222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	300	if (ob2->flag [FLAG_IDENTIFIED])
223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	301	ob2->set_flag (FLAG_BEEN_APPLIED);
224		302
225	if (ob1->arch->name != ob2->arch->name	303	if (ob1->arch->archname != ob2->arch->archname
226	|| ob1->name != ob2->name	304	|| ob1->name != ob2->name
227	|| ob1->title != ob2->title	305	|| ob1->title != ob2->title
228	|| ob1->msg != ob2->msg	306	|| ob1->msg != ob2->msg
229	|| ob1->weight != ob2->weight	307	|| ob1->weight != ob2->weight
230	|| ob1->attacktype != ob2->attacktype	308	|| ob1->attacktype != ob2->attacktype
231	|| ob1->magic != ob2->magic	309	|| ob1->magic != ob2->magic
232	|| ob1->slaying != ob2->slaying	310	|| ob1->slaying != ob2->slaying
233	|| ob1->skill != ob2->skill	311	|| ob1->skill != ob2->skill
234	|| ob1->value != ob2->value	312	|| ob1->value != ob2->value
235	|| 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
236	|| ob1->client_type != ob2->client_type	315	|| ob1->client_type != ob2->client_type
237	|| ob1->materialname != ob2->materialname	316	|| ob1->material != ob2->material
238	|| ob1->lore != ob2->lore	317	|| ob1->lore != ob2->lore
239	|| ob1->subtype != ob2->subtype	318	|| ob1->subtype != ob2->subtype
240	|| ob1->move_type != ob2->move_type	319	|| ob1->move_type != ob2->move_type
241	|| ob1->move_block != ob2->move_block	320	|| ob1->move_block != ob2->move_block
242	|| ob1->move_allow != ob2->move_allow	321	|| ob1->move_allow != ob2->move_allow
243	|| ob1->move_on != ob2->move_on	322	|| ob1->move_on != ob2->move_on
244	|| ob1->move_off != ob2->move_off	323	|| ob1->move_off != ob2->move_off
245	|| ob1->move_slow != ob2->move_slow	324	|| ob1->move_slow != ob2->move_slow
246	|| ob1->move_slow_penalty != ob2->move_slow_penalty	325	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
247	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))	326	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
248	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))	327	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
249	return 0;	328	return 0;
250		329
251	if ((ob1->flag ^ ob2->flag)	330	if ((ob1->flag ^ ob2->flag)
252	.reset (FLAG_INV_LOCKED)	331	.reset (FLAG_INV_LOCKED)
253	.reset (FLAG_CLIENT_SENT)
254	.reset (FLAG_REMOVED)	332	.reset (FLAG_REMOVED)
255	.any ())	333	.any ())
256	return 0;	334	return 0;
257		335
258	/* This is really a spellbook check - we should in general	336	/* This is really a spellbook check - we should in general
…		…
277		355
278	/* 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,
279	* 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
280	* some items equipped, and we don't want those to merge.	358	* some items equipped, and we don't want those to merge.
281	*/	359	*/
282	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	360	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
283	return 0;	361	return 0;
284		362
285	/* 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
286	* 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
287	* check?	365	* check?
288	*/	366	*/
289	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	367	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
290	return 0;	368	return 0;
291		369
292	switch (ob1->type)	370	switch (ob1->type)
293	{	371	{
294	case SCROLL:	372	case SCROLL:
295	if (ob1->level != ob2->level)	373	if (ob1->level != ob2->level)
296	return 0;	374	return 0;
297	break;	375	break;
298	}	376	}
299		377
300	if (ob1->key_values || ob2->key_values)	378	if (!ob1->kv.empty () || !ob2->kv.empty ())
301	{	379	{
302	/* At least one of these has key_values. */	380	/* At least one of these has key_values. */
303	if ((!ob1->key_values) != (!ob2->key_values))	381	if (ob1->kv.empty () != ob2->kv.empty ())
304	return 0; /* One has fields, but the other one doesn't. */	382	return 0; /* One has fields, but the other one doesn't. */
305		383
306	if (!compare_ob_value_lists (ob1, ob2))	384	if (!compare_ob_value_lists (ob1, ob2))
307	return 0;	385	return 0;
308	}	386	}
…		…
334		412
335	// find player who can see this object	413	// find player who can see this object
336	object *	414	object *
337	object::visible_to () const	415	object::visible_to () const
338	{	416	{
339	if (!flag [FLAG_REMOVED])	417	if (client_visible () && !flag [FLAG_REMOVED])
340	{	418	{
341	// see if we are in a container of sorts	419	// see if we are in a container of sorts
342	if (env)	420	if (env)
343	{	421	{
344	// the player inventory itself is always visible	422	// the player inventory itself is always visible
345	if (env->type == PLAYER)	423	if (env->is_player ())
346	return env;	424	return env;
347		425
348	// else a player could have our env open	426	// else a player could have our env open
349	object *envest = env->outer_env ();	427	object *envest = env->outer_env_or_self ();
350		428
351	// 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
352	// even if our inv is in a player.	430	// even if our inv is in a player.
353	if (envest->is_on_map ())	431	if (envest->is_on_map ())
354	if (object *pl = envest->ms ().player ())	432	if (object *pl = envest->ms ().player ())
355	if (pl->container == env)	433	if (pl->container_ () == env)
356	return pl;	434	return pl;
357	}	435	}
358	else	436	else
359	{	437	{
360	// maybe there is a player standing on the same mapspace	438	// maybe there is a player standing on the same mapspace
361	// this will catch the case where "this" is a player	439	// this will catch the case where "this" is a player
362	if (object *pl = ms ().player ())	440	if (object *pl = ms ().player ())
		441	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		442	|| pl->container_ () == this)
363	return pl;	443	return pl;
364	}	444	}
365	}	445	}
366		446
367	return 0;	447	return 0;
368	}	448	}
369		449
370	// adjust weight per container type ("of holding")	450	// adjust weight per container type ("of holding")
371	static sint32	451	static uint32
372	weight_adjust (object *op, sint32 weight)	452	weight_adjust_for (object *op, uint32 weight)
373	{	453	{
374	return op->type == CONTAINER	454	return op->type == CONTAINER
375	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)	455	? weight - weight * op->stats.Str / 100
376	: weight;	456	: weight;
377	}	457	}
378		458
379	/*	459	/*
380	* adjust_weight(object, weight) adds the specified weight to an object,	460	* subtracts, then adds, the specified weight to an object,
381	* and also updates how much the environment(s) is/are carrying.	461	* and also updates how much the environment(s) is/are carrying.
382	*/	462	*/
383	static void	463	static void
384	adjust_weight (object *op, sint32 weight)	464	adjust_weight (object *op, sint32 sub, sint32 add)
385	{	465	{
386	while (op)	466	while (op)
387	{	467	{
388	weight = weight_adjust (op, weight);	468	sint32 ocarrying = op->carrying;
389		469
390	if (!weight)	470	op->carrying -= weight_adjust_for (op, sub);
391	return;	471	op->carrying += weight_adjust_for (op, add);
392
393	op->carrying += weight;
394		472
395	if (object *pl = op->visible_to ())	473	if (object *pl = op->visible_to ())
		474	if (pl != op) // player is handled lazily
396	esrv_update_item (UPD_WEIGHT, pl, op);	475	esrv_update_item (UPD_WEIGHT, pl, op);
		476
		477	sub = ocarrying;
		478	add = op->carrying;
397		479
398	op = op->env;	480	op = op->env;
399	}	481	}
400	}	482	}
401		483
…		…
409	{	491	{
410	sint32 sum = 0;	492	sint32 sum = 0;
411		493
412	for (object *op = inv; op; op = op->below)	494	for (object *op = inv; op; op = op->below)
413	{	495	{
414	if (op->inv)
415	op->update_weight ();	496	op->update_weight ();
416		497
417	sum += op->total_weight ();	498	sum += weight_adjust_for (this, op->total_weight ());
418	}	499	}
419
420	sum = weight_adjust (this, sum);
421		500
422	if (sum != carrying)	501	if (sum != carrying)
423	{	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
424	carrying = sum;	507	carrying = sum;
425		508
426	if (object *pl = visible_to ())	509	if (object *pl = visible_to ())
		510	if (pl != this) // player is handled lazily
427	esrv_update_item (UPD_WEIGHT, pl, this);	511	esrv_update_item (UPD_WEIGHT, pl, this);
428	}	512	}
429	}	513	}
430		514
431	/*	515	/*
432	* Used by: Server DM commands: dumpbelow, dump. Some error messages.	516	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
…		…
440	object_freezer freezer;	524	object_freezer freezer;
441	op->write (freezer);	525	op->write (freezer);
442	return freezer.as_string ();	526	return freezer.as_string ();
443	}	527	}
444		528
445	/*	529	char *
446	* get_nearest_part(multi-object, object 2) returns the part of the	530	object::as_string ()
447	* multi-object 1 which is closest to the second object.
448	* If it's not a multi-object, it is returned.
449	*/
450	object *
451	get_nearest_part (object *op, const object *pl)
452	{	531	{
453	object *tmp, *closest;	532	return dump_object (this);
454	int last_dist, i;
455
456	if (!op->more)
457	return op;
458
459	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
460	tmp;
461	tmp = tmp->more)
462	if ((i = distance (tmp, pl)) < last_dist)
463	closest = tmp, last_dist = i;
464
465	return closest;
466	}	533	}
467		534
468	/*	535	/*
469	* 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.
470	* VERRRY slow.	537	* VERRRY slow.
…		…
478		545
479	return 0;	546	return 0;
480	}	547	}
481		548
482	/*	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	/*
483	* 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.
484	* Used only by the patch command, but not all that useful.	566	* Used only by the patch command, but not all that useful.
485	* Enables features like "patch <name-of-other-player> food 999"	567	* Enables features like "patch <name-of-other-player> food 999"
486	*/	568	*/
487	object *	569	object *
488	find_object_name (const char *str)	570	find_object_name (const char *str)
489	{	571	{
490	shstr_cmp str_ (str);	572	shstr_cmp str_ (str);
491	object *op;
492		573
		574	if (str_)
493	for_all_objects (op)	575	for_all_objects (op)
494	if (op->name == str_)	576	if (op->name == str_)
495	break;	577	return op;
496		578
497	return op;	579	return 0;
498	}	580	}
499		581
500	/*	582	/*
501	* 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
502	* skill and experience objects.	584	* skill and experience objects.
…		…
515	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 ());
516	return;	598	return;
517	}	599	}
518		600
519	this->owner = owner;	601	this->owner = owner;
520	}
521
522	int
523	object::slottype () const
524	{
525	if (type == SKILL)
526	{
527	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
528	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
529	}
530	else
531	{
532	if (slot [body_combat].info) return slot_combat;
533	if (slot [body_range ].info) return slot_ranged;
534	}
535
536	return slot_none;
537	}
538
539	bool
540	object::change_weapon (object *ob)
541	{
542	if (current_weapon == ob)
543	return true;
544
545	if (chosen_skill)
546	chosen_skill->flag [FLAG_APPLIED] = false;
547
548	current_weapon = ob;
549	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
550
551	if (chosen_skill)
552	chosen_skill->flag [FLAG_APPLIED] = true;
553
554	update_stats ();
555
556	if (ob)
557	{
558	// now check wether any body locations became invalid, in which case
559	// we cannot apply the weapon at the moment.
560	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
561	if (slot[i].used < 0)
562	{
563	current_weapon = chosen_skill = 0;
564	update_stats ();
565
566	new_draw_info_format (NDI_UNIQUE, 0, this,
567	"You try to balance all your items at once, "
568	"but the %s is just too much for your body. "
569	"[You need to unapply some items first.]", &ob->name);
570	return false;
571	}
572
573	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
574	}
575	else
576	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
577
578	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
579	{
580	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
581	&name, ob->debug_desc ());
582	return false;
583	}
584
585	return true;
586	}
587
588	/* Zero the key_values on op, decrementing the shared-string
589	* refcounts and freeing the links.
590	*/
591	static void
592	free_key_values (object *op)
593	{
594	for (key_value *i = op->key_values; i; )
595	{
596	key_value *next = i->next;
597	delete i;
598
599	i = next;
600	}
601
602	op->key_values = 0;
603	}
604
605	object &
606	object::operator =(const object &src)
607	{
608	bool is_freed = flag [FLAG_FREED];
609	bool is_removed = flag [FLAG_REMOVED];
610
611	*(object_copy *)this = src;
612
613	flag [FLAG_FREED] = is_freed;
614	flag [FLAG_REMOVED] = is_removed;
615
616	/* Copy over key_values, if any. */
617	if (src.key_values)
618	{
619	key_value *tail = 0;
620	key_values = 0;
621
622	for (key_value *i = src.key_values; i; i = i->next)
623	{
624	key_value *new_link = new key_value;
625
626	new_link->next = 0;
627	new_link->key = i->key;
628	new_link->value = i->value;
629
630	/* Try and be clever here, too. */
631	if (!key_values)
632	{
633	key_values = new_link;
634	tail = new_link;
635	}
636	else
637	{
638	tail->next = new_link;
639	tail = new_link;
640	}
641	}
642	}
643	}	602	}
644		603
645	/*	604	/*
646	* copy_to first frees everything allocated by the dst object,	605	* copy_to first frees everything allocated by the dst object,
647	* and then copies the contents of itself into the second	606	* and then copies the contents of itself into the second
…		…
651	* will point at garbage.	610	* will point at garbage.
652	*/	611	*/
653	void	612	void
654	object::copy_to (object *dst)	613	object::copy_to (object *dst)
655	{	614	{
656	*dst = *this;	615	dst->remove ();
		616	*(object_copy *)dst = *this;
657		617
658	if (speed < 0)	618	// maybe move to object_copy?
659	dst->speed_left -= rndm ();	619	dst->kv = kv;
660		620
661	dst->set_speed (dst->speed);	621	dst->flag [FLAG_REMOVED] = true;
		622	dst->activate ();
662	}	623	}
663		624
664	void	625	void
665	object::instantiate ()	626	object::instantiate ()
666	{	627	{
667	if (!uuid.seq) // HACK	628	if (!uuid.seq) // HACK
668	uuid = UUID::gen ();	629	uuid = UUID::gen ();
669		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
670	speed_left = -0.1f;	635	speed_left = -1.;
		636
671	/* 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
672	* 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.
673	* 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
674	* values for the body_used info, so when items are created	640	* values for the body_used info, so when items are created
675	* for it, they can be properly equipped.	641	* for it, they can be properly equipped.
…		…
683	object *	649	object *
684	object::clone ()	650	object::clone ()
685	{	651	{
686	object *neu = create ();	652	object *neu = create ();
687	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
688	return neu;	660	return neu;
689	}	661	}
690		662
691	/*	663	/*
692	* 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
…		…
694	* 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.
695	*/	667	*/
696	void	668	void
697	update_turn_face (object *op)	669	update_turn_face (object *op)
698	{	670	{
699	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	671	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
700	return;	672	return;
701		673
702	SET_ANIMATION (op, op->direction);	674	SET_ANIMATION (op, op->direction);
703	update_object (op, UP_OBJ_FACE);	675	update_object (op, UP_OBJ_FACE);
704	}	676	}
…		…
709	* 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.
710	*/	682	*/
711	void	683	void
712	object::set_speed (float speed)	684	object::set_speed (float speed)
713	{	685	{
714	if (flag [FLAG_FREED] && speed)
715	{
716	LOG (llevError, "Object %s is freed but has speed.\n", &name);
717	speed = 0;
718	}
719
720	this->speed = speed;	686	this->speed = speed;
721		687
722	if (has_active_speed ())	688	if (has_active_speed ())
723	activate ();	689	activate ();
724	else	690	else
…		…
743	* UP_OBJ_FACE: only the objects face has changed.	709	* UP_OBJ_FACE: only the objects face has changed.
744	*/	710	*/
745	void	711	void
746	update_object (object *op, int action)	712	update_object (object *op, int action)
747	{	713	{
748	if (op == NULL)	714	if (!op)
749	{	715	{
750	/* this should never happen */	716	/* this should never happen */
751	LOG (llevDebug, "update_object() called for NULL object.\n");	717	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
752	return;	718	return;
753	}	719	}
754		720
755	if (op->env)	721	if (!op->is_on_map ())
756	{	722	{
757	/* Animation is currently handled by client, so nothing	723	/* Animation is currently handled by client, so nothing
758	* to do in this case.	724	* to do in this case.
759	*/	725	*/
760	return;	726	return;
761	}	727	}
762
763	/* If the map is saving, don't do anything as everything is
764	* going to get freed anyways.
765	*/
766	if (!op->map || op->map->in_memory == MAP_SAVING)
767	return;
768		728
769	/* make sure the object is within map boundaries */	729	/* make sure the object is within map boundaries */
770	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)
771	{	731	{
772	LOG (llevError, "update_object() called for object out of map!\n");	732	LOG (llevError, "update_object() called for object out of map!\n");
…		…
777	}	737	}
778		738
779	mapspace &m = op->ms ();	739	mapspace &m = op->ms ();
780		740
781	if (!(m.flags_ & P_UPTODATE))	741	if (!(m.flags_ & P_UPTODATE))
782	/* nop */;	742	m.update_up (); // nothing to do except copy up
783	else if (action == UP_OBJ_INSERT)	743	else if (action == UP_OBJ_INSERT)
784	{	744	{
		745	#if 0
785	// this is likely overkill, TODO: revisit (schmorp)	746	// this is likely overkill, TODO: revisit (schmorp)
786	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	747	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
787	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	748	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
788	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	749	|| (op->is_player () && !(m.flags_ & P_PLAYER))
789	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	750	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
790	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	751	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
791	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	752	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
792	|| (m.move_on | op->move_on ) != m.move_on	753	|| (m.move_on | op->move_on ) != m.move_on
793	|| (m.move_off | op->move_off ) != m.move_off	754	|| (m.move_off | op->move_off ) != m.move_off
794	|| (m.move_slow | op->move_slow) != m.move_slow	755	|| (m.move_slow | op->move_slow) != m.move_slow
795	/* 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
796	* to have move_allow right now.	757	* have move_allow right now.
797	*/	758	*/
798	|| ((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
799	|| 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)
800	m.flags_ = 0;	763	m.invalidate ();
		764	#endif
801	}	765	}
802	/* if the object is being removed, we can't make intelligent	766	/* if the object is being removed, we can't make intelligent
803	* decisions, because remove_ob can't really pass the object	767	* decisions, because remove_ob can't really pass the object
804	* that is being removed.	768	* that is being removed.
805	*/	769	*/
806	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	770	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
807	m.flags_ = 0;	771	m.invalidate ();
808	else if (action == UP_OBJ_FACE)	772	else if (action == UP_OBJ_FACE)
809	/* Nothing to do for that case */ ;	773	m.update_up (); // nothing to do for that case, except copy up
810	else	774	else
811	LOG (llevError, "update_object called with invalid action: %d\n", action);	775	LOG (llevError, "update_object called with invalid action: %d\n", action);
812		776
813	if (op->more)	777	if (op->more)
814	update_object (op->more, action);	778	update_object (op->more, action);
815	}	779	}
816		780
817	object::object ()	781	object::object ()
818	{	782	{
819	SET_FLAG (this, FLAG_REMOVED);	783	this->set_flag (FLAG_REMOVED);
820		784
821	expmul = 1.0;	785	//expmul = 1.0; declared const for the time being
822	face = blank_face;	786	face = blank_face;
		787	material = MATERIAL_NULL;
823	}	788	}
824		789
825	object::~object ()	790	object::~object ()
826	{	791	{
827	unlink ();	792	unlink ();
828		793
829	free_key_values (this);	794	kv.clear ();
830	}	795	}
831
832	static int object_count;
833		796
834	void object::link ()	797	void object::link ()
835	{	798	{
836	assert (!index);//D	799	assert (!index);//D
837	uuid = UUID::gen ();	800	uuid = UUID::gen ();
838	count = ++object_count;
839		801
840	refcnt_inc ();	802	refcnt_inc ();
841	objects.insert (this);	803	objects.insert (this);
		804
		805	++create_count;
		806
842	}	807	}
843		808
844	void object::unlink ()	809	void object::unlink ()
845	{	810	{
846	if (!index)	811	if (!index)
847	return;	812	return;
		813
		814	++destroy_count;
848		815
849	objects.erase (this);	816	objects.erase (this);
850	refcnt_dec ();	817	refcnt_dec ();
851	}	818	}
852		819
…		…
856	/* If already on active list, don't do anything */	823	/* If already on active list, don't do anything */
857	if (active)	824	if (active)
858	return;	825	return;
859		826
860	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
861	actives.insert (this);	832	actives.insert (this);
		833	}
862	}	834	}
863		835
864	void	836	void
865	object::activate_recursive ()	837	object::activate_recursive ()
866	{	838	{
…		…
915	object::destroy_inv (bool drop_to_ground)	887	object::destroy_inv (bool drop_to_ground)
916	{	888	{
917	// need to check first, because the checks below might segfault	889	// need to check first, because the checks below might segfault
918	// as we might be on an invalid mapspace and crossfire code	890	// as we might be on an invalid mapspace and crossfire code
919	// is too buggy to ensure that the inventory is empty.	891	// is too buggy to ensure that the inventory is empty.
920	// corollary: if you create arrows etc. with stuff in tis inventory,	892	// corollary: if you create arrows etc. with stuff in its inventory,
921	// cf will crash below with off-map x and y	893	// cf will crash below with off-map x and y
922	if (!inv)	894	if (!inv)
923	return;	895	return;
924		896
925	/* Only if the space blocks everything do we not process -	897	/* Only if the space blocks everything do we not process -
926	* if some form of movement is allowed, let objects	898	* if some form of movement is allowed, let objects
927	* drop on that space.	899	* drop on that space.
928	*/	900	*/
929	if (!drop_to_ground	901	if (!drop_to_ground
930	|| !map	902	|| !map
931	|| map->in_memory != MAP_ACTIVE	903	|| !map->linkable ()
932	|| map->nodrop	904	|| map->no_drop
933	|| ms ().move_block == MOVE_ALL)	905	|| ms ().move_block == MOVE_ALL)
934	{	906	{
935	while (inv)	907	while (inv)
936	{
937	inv->destroy_inv (drop_to_ground);
938	inv->destroy ();	908	inv->destroy ();
939	}
940	}	909	}
941	else	910	else
942	{ /* Put objects in inventory onto this space */	911	{ /* Put objects in inventory onto this space */
943	while (inv)	912	while (inv)
944	{	913	{
…		…
955	map->insert (op, x, y);	924	map->insert (op, x, y);
956	}	925	}
957	}	926	}
958	}	927	}
959		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 *
960	object *object::create ()	966	object::create ()
961	{	967	{
962	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
963	op->link ();	990	op->link ();
		991
964	return op;	992	return op;
965	}	993	}
966		994
967	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	static struct freed_map : maptile
		1011	{
		1012	freed_map ()
		1013	: maptile (3, 3)
		1014	{
		1015	path = "<freed objects map>";
		1016	name = "/internal/freed_objects_map";
		1017	no_drop = 1;
		1018	no_reset = 1;
		1019
		1020	state = MAP_ACTIVE;
		1021	}
		1022
		1023	~freed_map ()
		1024	{
		1025	destroy ();
		1026	}
		1027	} freed_map; // freed objects are moved here to avoid crashes
		1028
		1029	void
968	object::do_destroy ()	1030	object::do_destroy ()
969	{	1031	{
970	if (flag [FLAG_IS_LINKED])	1032	if (flag [FLAG_IS_LINKED])
971	remove_button_link (this);	1033	remove_link ();
972		1034
973	if (flag [FLAG_FRIENDLY])	1035	if (flag [FLAG_FRIENDLY])
974	remove_friendly_object (this);	1036	remove_friendly_object (this);
975		1037
976	remove ();	1038	remove ();
977		1039
978	attachable::do_destroy ();	1040	attachable::do_destroy ();
979		1041
980	destroy_inv (true);
981
982	deactivate ();	1042	deactivate ();
983	unlink ();	1043	unlink ();
984		1044
985	flag [FLAG_FREED] = 1;	1045	flag [FLAG_FREED] = 1;
986		1046
987	// hack to ensure that freed objects still have a valid map	1047	// hack to ensure that freed objects still have a valid map
988	{
989	static maptile *freed_map; // freed objects are moved here to avoid crashes
990
991	if (!freed_map)
992	{
993	freed_map = new maptile;
994
995	freed_map->path = "<freed objects map>";
996	freed_map->name = "/internal/freed_objects_map";
997	freed_map->width = 3;
998	freed_map->height = 3;
999	freed_map->nodrop = 1;
1000
1001	freed_map->alloc ();
1002	freed_map->in_memory = MAP_ACTIVE;
1003	}
1004
1005	map = freed_map;	1048	map = &freed_map;
1006	x = 1;	1049	x = 1;
1007	y = 1;	1050	y = 1;
1008	}
1009		1051
1010	if (more)	1052	if (more)
1011	{	1053	{
1012	more->destroy ();	1054	more->destroy ();
1013	more = 0;	1055	more = 0;
…		…
1021	attacked_by = 0;	1063	attacked_by = 0;
1022	current_weapon = 0;	1064	current_weapon = 0;
1023	}	1065	}
1024		1066
1025	void	1067	void
1026	object::destroy (bool destroy_inventory)	1068	object::destroy ()
1027	{	1069	{
1028	if (destroyed ())	1070	if (destroyed ())
1029	return;	1071	return;
1030		1072
1031	if (destroy_inventory)	1073	if (!is_head () && !head->destroyed ())
		1074	{
		1075	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1076	head->destroy ();
		1077	return;
		1078	}
		1079
1032	destroy_inv (false);	1080	destroy_inv_fast ();
1033		1081
1034	if (is_head ())	1082	if (is_head ())
1035	if (sound_destroy)	1083	if (sound_destroy)
1036	play_sound (sound_destroy);	1084	play_sound (sound_destroy);
1037	else if (flag [FLAG_MONSTER])	1085	else if (flag [FLAG_MONSTER])
…		…
1048	* the previous environment.	1096	* the previous environment.
1049	*/	1097	*/
1050	void	1098	void
1051	object::do_remove ()	1099	object::do_remove ()
1052	{	1100	{
1053	object *tmp, *last = 0;
1054	object *otmp;
1055
1056	if (flag [FLAG_REMOVED])	1101	if (flag [FLAG_REMOVED])
1057	return;	1102	return;
1058		1103
1059	INVOKE_OBJECT (REMOVE, this);	1104	INVOKE_OBJECT (REMOVE, this);
1060
1061	if (object *pl = visible_to ())
1062	esrv_del_item (pl->contr, count);
1063		1105
1064	flag [FLAG_REMOVED] = true;	1106	flag [FLAG_REMOVED] = true;
1065		1107
1066	if (more)	1108	if (more)
1067	more->remove ();	1109	more->remove ();
…		…
1070	* In this case, the object to be removed is in someones	1112	* In this case, the object to be removed is in someones
1071	* inventory.	1113	* inventory.
1072	*/	1114	*/
1073	if (env)	1115	if (env)
1074	{	1116	{
		1117	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
		1118	if (object *pl = visible_to ())
		1119	esrv_del_item (pl->contr, count);
		1120	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1121
1075	adjust_weight (env, -total_weight ());	1122	adjust_weight (env, total_weight (), 0);
1076		1123
1077	*(above ? &above->below : &env->inv) = below;	1124	object *pl = in_player ();
1078
1079	if (below)
1080	below->above = above;
1081		1125
1082	/* we set up values so that it could be inserted into	1126	/* we set up values so that it could be inserted into
1083	* 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
1084	* to the caller to decide what we want to do.	1128	* to the caller to decide what we want to do.
1085	*/	1129	*/
1086	map = env->map;	1130	map = env->map;
1087	x = env->x;	1131	x = env->x;
1088	y = env->y;	1132	y = env->y;
		1133
		1134	// make sure cmov optimisation is applicable
		1135	*(above ? &above->below : &env->inv) = below;
		1136	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1137
1089	above = 0;	1138	above = 0;
1090	below = 0;	1139	below = 0;
1091	env = 0;	1140	env = 0;
1092		1141
1093	/* NO_FIX_PLAYER is set when a great many changes are being	1142	if (pl && pl->is_player ())
1094	* made to players inventory. If set, avoiding the call
1095	* to save cpu time.
1096	*/	1143	{
1097	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1144	if (expect_false (pl->contr->combat_ob == this))
1098	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	}
1099	}	1163	}
1100	else if (map)	1164	else if (map)
1101	{	1165	{
1102	if (type == PLAYER)
1103	{
1104	// leaving a spot always closes any open container on the ground
1105	if (container && !container->env)
1106	// this causes spurious floorbox updates, but it ensures
1107	// that the CLOSE event is being sent.
1108	close_container ();
1109
1110	--map->players;
1111	map->touch ();
1112	}
1113
1114	map->dirty = true;	1166	map->dirty = true;
1115	mapspace &ms = this->ms ();	1167	mapspace &ms = this->ms ();
1116		1168
		1169	if (object *pl = ms.player ())
		1170	{
		1171	if (is_player ())
		1172	{
		1173	if (!flag [FLAG_WIZPASS])
		1174	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1175
		1176	// leaving a spot always closes any open container on the ground
		1177	if (container && !container->env)
		1178	// this causes spurious floorbox updates, but it ensures
		1179	// that the CLOSE event is being sent.
		1180	close_container ();
		1181
		1182	--map->players;
		1183	map->touch ();
		1184	}
		1185	else if (pl->container_ () == this)
		1186	{
		1187	// removing a container should close it
		1188	close_container ();
		1189	}
		1190	else
		1191	esrv_del_item (pl->contr, count);
		1192	}
		1193
1117	/* link the object above us */	1194	/* link the object above us */
1118	if (above)	1195	// re-link, make sure compiler can easily use cmove
1119	above->below = below;	1196	*(above ? &above->below : &ms.top) = below;
1120	else	1197	*(below ? &below->above : &ms.bot) = above;
1121	ms.top = below; /* we were top, set new top */
1122
1123	/* Relink the object below us, if there is one */
1124	if (below)
1125	below->above = above;
1126	else
1127	{
1128	/* Nothing below, which means we need to relink map object for this space
1129	* use translated coordinates in case some oddness with map tiling is
1130	* evident
1131	*/
1132	if (GET_MAP_OB (map, x, y) != this)
1133	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 ());
1134
1135	ms.bot = above; /* goes on above it. */
1136	}
1137		1198
1138	above = 0;	1199	above = 0;
1139	below = 0;	1200	below = 0;
1140		1201
1141	if (map->in_memory == MAP_SAVING)	1202	ms.invalidate ();
1142	return;
1143		1203
1144	int check_walk_off = !flag [FLAG_NO_APPLY];	1204	int check_walk_off = !flag [FLAG_NO_APPLY];
1145		1205
1146	if (object *pl = ms.player ())	1206	if (object *pl = ms.player ())
1147	{	1207	{
1148	if (pl->container == this)	1208	if (pl->container_ () == this)
1149	/* If a container that the player is currently using somehow gets	1209	/* If a container that the player is currently using somehow gets
1150	* removed (most likely destroyed), update the player view	1210	* removed (most likely destroyed), update the player view
1151	* appropriately.	1211	* appropriately.
1152	*/	1212	*/
1153	pl->close_container ();	1213	pl->close_container ();
1154		1214
		1215	//TODO: the floorbox prev/next might need updating
		1216	//esrv_del_item (pl->contr, count);
		1217	//TODO: update floorbox to preserve ordering
		1218	if (pl->contr->ns)
1155	pl->contr->ns->floorbox_update ();	1219	pl->contr->ns->floorbox_update ();
1156	}	1220	}
1157		1221
		1222	if (check_walk_off)
1158	for (tmp = ms.bot; tmp; tmp = tmp->above)	1223	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1159	{	1224	{
		1225	above = tmp->above;
		1226
1160	/* No point updating the players look faces if he is the object	1227	/* No point updating the players look faces if he is the object
1161	* being removed.	1228	* being removed.
1162	*/	1229	*/
1163		1230
1164	/* See if object moving off should effect something */	1231	/* See if object moving off should effect something */
1165	if (check_walk_off
1166	&& ((move_type & tmp->move_off)	1232	if ((move_type & tmp->move_off)
1167	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1233	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1168	{
1169	move_apply (tmp, this, 0);	1234	move_apply (tmp, this, 0);
1170
1171	if (destroyed ())
1172	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1173	}	1235	}
1174		1236
1175	last = tmp;	1237	if (affects_los ())
1176	}
1177
1178	/* last == NULL if there are no objects on this space */
1179	//TODO: this makes little sense, why only update the topmost object?
1180	if (!last)
1181	map->at (x, y).flags_ = 0;
1182	else
1183	update_object (last, UP_OBJ_REMOVE);
1184
1185	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1186	update_all_los (map, x, y);	1238	update_all_los (map, x, y);
1187	}	1239	}
1188	}	1240	}
1189		1241
1190	/*	1242	/*
…		…
1214	esrv_update_item (UPD_NROF, pl, top);	1266	esrv_update_item (UPD_NROF, pl, top);
1215		1267
1216	op->weight = 0; // cancel the addition above	1268	op->weight = 0; // cancel the addition above
1217	op->carrying = 0; // must be 0 already	1269	op->carrying = 0; // must be 0 already
1218		1270
1219	op->destroy (1);	1271	op->destroy ();
1220		1272
1221	return top;	1273	return top;
1222	}	1274	}
1223		1275
1224	return 0;	1276	return 0;
…		…
1232		1284
1233	object *prev = this;	1285	object *prev = this;
1234		1286
1235	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1287	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1236	{	1288	{
1237	object *op = arch_to_object (at);	1289	object *op = at->instance ();
1238		1290
1239	op->name = name;	1291	op->name = name;
1240	op->name_pl = name_pl;	1292	op->name_pl = name_pl;
1241	op->title = title;	1293	op->title = title;
1242		1294
…		…
1252	* job preparing multi-part monsters.	1304	* job preparing multi-part monsters.
1253	*/	1305	*/
1254	object *	1306	object *
1255	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1307	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1256	{	1308	{
		1309	op->remove ();
		1310
1257	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1311	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1258	{	1312	{
1259	tmp->x = x + tmp->arch->x;	1313	tmp->x = x + tmp->arch->x;
1260	tmp->y = y + tmp->arch->y;	1314	tmp->y = y + tmp->arch->y;
1261	}	1315	}
…		…
1278	* Passing 0 for flag gives proper default values, so flag really only needs	1332	* Passing 0 for flag gives proper default values, so flag really only needs
1279	* to be set if special handling is needed.	1333	* to be set if special handling is needed.
1280	*	1334	*
1281	* Return value:	1335	* Return value:
1282	* new object if 'op' was merged with other object	1336	* new object if 'op' was merged with other object
1283	* NULL if 'op' was destroyed	1337	* NULL if there was an error (destroyed, blocked etc.)
1284	* just 'op' otherwise	1338	* just 'op' otherwise
1285	*/	1339	*/
1286	object *	1340	object *
1287	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1341	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1288	{	1342	{
1289	assert (!op->flag [FLAG_FREED]);
1290
1291	object *top, *floor = NULL;
1292
1293	op->remove ();	1343	op->remove ();
		1344
		1345	if (m == &freed_map)//D TODO: remove soon
		1346	{//D
		1347	LOG (llevError | logBacktrace, "tries to insert object on freed objects map: %s", op->debug_desc ());//D
		1348	}//D
1294		1349
1295	/* Ideally, the caller figures this out. However, it complicates a lot	1350	/* Ideally, the caller figures this out. However, it complicates a lot
1296	* of areas of callers (eg, anything that uses find_free_spot would now	1351	* of areas of callers (eg, anything that uses find_free_spot would now
1297	* need extra work	1352	* need extra work
1298	*/	1353	*/
		1354	maptile *newmap = m;
1299	if (!xy_normalise (m, op->x, op->y))	1355	if (!xy_normalise (newmap, op->x, op->y))
1300	{	1356	{
1301	op->destroy ();	1357	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1302	return 0;	1358	return 0;
1303	}	1359	}
1304		1360
1305	if (object *more = op->more)	1361	if (object *more = op->more)
1306	if (!insert_ob_in_map (more, m, originator, flag))	1362	if (!insert_ob_in_map (more, m, originator, flag))
1307	return 0;	1363	return 0;
1308		1364
1309	CLEAR_FLAG (op, FLAG_REMOVED);	1365	op->flag [FLAG_REMOVED] = false;
1310		1366	op->env = 0;
1311	op->map = m;	1367	op->map = newmap;
		1368
1312	mapspace &ms = op->ms ();	1369	mapspace &ms = op->ms ();
1313		1370
1314	/* this has to be done after we translate the coordinates.	1371	/* this has to be done after we translate the coordinates.
1315	*/	1372	*/
1316	if (op->nrof && !(flag & INS_NO_MERGE))	1373	if (op->nrof && !(flag & INS_NO_MERGE))
1317	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1374	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1318	if (object::can_merge (op, tmp))	1375	if (object::can_merge (op, tmp))
1319	{	1376	{
		1377	// TODO: we actually want to update tmp, not op,
		1378	// but some caller surely breaks when we return tmp
		1379	// from here :/
1320	op->nrof += tmp->nrof;	1380	op->nrof += tmp->nrof;
1321	tmp->destroy (1);	1381	tmp->destroy ();
1322	}	1382	}
1323		1383
1324	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1384	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1325	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1385	op->clr_flag (FLAG_INV_LOCKED);
1326		1386
1327	if (!QUERY_FLAG (op, FLAG_ALIVE))	1387	if (!op->flag [FLAG_ALIVE])
1328	CLEAR_FLAG (op, FLAG_NO_STEAL);	1388	op->clr_flag (FLAG_NO_STEAL);
1329		1389
1330	if (flag & INS_BELOW_ORIGINATOR)	1390	if (flag & INS_BELOW_ORIGINATOR)
1331	{	1391	{
1332	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1392	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1333	{	1393	{
1334	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1394	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1335	abort ();	1395	abort ();
1336	}	1396	}
1337		1397
		1398	if (!originator->is_on_map ())
		1399	{
		1400	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1401	op->debug_desc (), originator->debug_desc ());
		1402	abort ();
		1403	}
		1404
1338	op->above = originator;	1405	op->above = originator;
1339	op->below = originator->below;	1406	op->below = originator->below;
1340
1341	if (op->below)
1342	op->below->above = op;
1343	else
1344	ms.bot = op;
1345
1346	/* since *below* originator, no need to update top */
1347	originator->below = op;	1407	originator->below = op;
		1408
		1409	*(op->below ? &op->below->above : &ms.bot) = op;
1348	}	1410	}
1349	else	1411	else
1350	{	1412	{
1351	top = ms.bot;	1413	object *floor = 0;
		1414	object *top = ms.top;
1352		1415
1353	/* If there are other objects, then */	1416	/* If there are other objects, then */
1354	if (top)	1417	if (top)
1355	{	1418	{
1356	object *last = 0;
1357
1358	/*	1419	/*
1359	* If there are multiple objects on this space, we do some trickier handling.	1420	* If there are multiple objects on this space, we do some trickier handling.
1360	* We've already dealt with merging if appropriate.	1421	* We've already dealt with merging if appropriate.
1361	* Generally, we want to put the new object on top. But if	1422	* Generally, we want to put the new object on top. But if
1362	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1423	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1365	* once we get to them. This reduces the need to traverse over all of	1426	* once we get to them. This reduces the need to traverse over all of
1366	* them when adding another one - this saves quite a bit of cpu time	1427	* them when adding another one - this saves quite a bit of cpu time
1367	* when lots of spells are cast in one area. Currently, it is presumed	1428	* when lots of spells are cast in one area. Currently, it is presumed
1368	* that flying non pickable objects are spell objects.	1429	* that flying non pickable objects are spell objects.
1369	*/	1430	*/
1370	for (top = ms.bot; top; top = top->above)	1431	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1371	{	1432	{
1372	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1433	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1373	floor = top;	1434	floor = tmp;
1374		1435
1375	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1436	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1376	{	1437	{
1377	/* We insert above top, so we want this object below this */	1438	/* We insert above top, so we want this object below this */
1378	top = top->below;	1439	top = tmp->below;
1379	break;	1440	break;
1380	}	1441	}
1381		1442
1382	last = top;	1443	top = tmp;
1383	}	1444	}
1384
1385	/* Don't want top to be NULL, so set it to the last valid object */
1386	top = last;
1387		1445
1388	/* We let update_position deal with figuring out what the space	1446	/* We let update_position deal with figuring out what the space
1389	* looks like instead of lots of conditions here.	1447	* looks like instead of lots of conditions here.
1390	* makes things faster, and effectively the same result.	1448	* makes things faster, and effectively the same result.
1391	*/	1449	*/
…		…
1398	*/	1456	*/
1399	if (!(flag & INS_ON_TOP)	1457	if (!(flag & INS_ON_TOP)
1400	&& ms.flags () & P_BLOCKSVIEW	1458	&& ms.flags () & P_BLOCKSVIEW
1401	&& (op->face && !faces [op->face].visibility))	1459	&& (op->face && !faces [op->face].visibility))
1402	{	1460	{
		1461	object *last;
		1462
1403	for (last = top; last != floor; last = last->below)	1463	for (last = top; last != floor; last = last->below)
1404	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1464	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1405	break;	1465	break;
1406		1466
1407	/* Check to see if we found the object that blocks view,	1467	/* Check to see if we found the object that blocks view,
1408	* and make sure we have a below pointer for it so that	1468	* and make sure we have a below pointer for it so that
1409	* we can get inserted below this one, which requires we	1469	* we can get inserted below this one, which requires we
…		…
1415	} /* If objects on this space */	1475	} /* If objects on this space */
1416		1476
1417	if (flag & INS_ABOVE_FLOOR_ONLY)	1477	if (flag & INS_ABOVE_FLOOR_ONLY)
1418	top = floor;	1478	top = floor;
1419		1479
1420	/* Top is the object that our object (op) is going to get inserted above.	1480	// insert object above top, or bottom-most if top = 0
1421	*/
1422
1423	/* First object on this space */
1424	if (!top)	1481	if (!top)
1425	{	1482	{
		1483	op->below = 0;
1426	op->above = ms.bot;	1484	op->above = ms.bot;
1427
1428	if (op->above)
1429	op->above->below = op;
1430
1431	op->below = 0;
1432	ms.bot = op;	1485	ms.bot = op;
		1486
		1487	*(op->above ? &op->above->below : &ms.top) = op;
1433	}	1488	}
1434	else	1489	else
1435	{ /* get inserted into the stack above top */	1490	{
1436	op->above = top->above;	1491	op->above = top->above;
1437
1438	if (op->above)
1439	op->above->below = op;	1492	top->above = op;
1440		1493
1441	op->below = top;	1494	op->below = top;
1442	top->above = op;	1495	*(op->above ? &op->above->below : &ms.top) = op;
1443	}	1496	}
		1497	}
1444		1498
1445	if (!op->above)	1499	if (op->is_player ())
1446	ms.top = op;
1447	} /* else not INS_BELOW_ORIGINATOR */
1448
1449	if (op->type == PLAYER)
1450	{	1500	{
1451	op->contr->do_los = 1;	1501	op->contr->do_los = 1;
1452	++op->map->players;	1502	++op->map->players;
1453	op->map->touch ();	1503	op->map->touch ();
1454	}	1504	}
1455		1505
1456	op->map->dirty = true;	1506	op->map->dirty = true;
1457		1507
1458	if (object *pl = ms.player ())	1508	if (object *pl = ms.player ())
		1509	//TODO: the floorbox prev/next might need updating
		1510	//esrv_send_item (pl, op);
		1511	//TODO: update floorbox to preserve ordering
		1512	if (pl->contr->ns)
1459	pl->contr->ns->floorbox_update ();	1513	pl->contr->ns->floorbox_update ();
1460		1514
1461	/* If this object glows, it may affect lighting conditions that are	1515	/* If this object glows, it may affect lighting conditions that are
1462	* visible to others on this map. But update_all_los is really	1516	* visible to others on this map. But update_all_los is really
1463	* an inefficient way to do this, as it means los for all players	1517	* an inefficient way to do this, as it means los for all players
1464	* on the map will get recalculated. The players could very well	1518	* on the map will get recalculated. The players could very well
1465	* be far away from this change and not affected in any way -	1519	* be far away from this change and not affected in any way -
1466	* this should get redone to only look for players within range,	1520	* this should get redone to only look for players within range,
1467	* or just updating the P_UPTODATE for spaces within this area	1521	* or just updating the P_UPTODATE for spaces within this area
1468	* of effect may be sufficient.	1522	* of effect may be sufficient.
1469	*/	1523	*/
1470	if (op->map->darkness && (op->glow_radius != 0))	1524	if (op->affects_los ())
		1525	{
		1526	op->ms ().invalidate ();
1471	update_all_los (op->map, op->x, op->y);	1527	update_all_los (op->map, op->x, op->y);
		1528	}
1472		1529
1473	/* updates flags (blocked, alive, no magic, etc) for this map space */	1530	/* updates flags (blocked, alive, no magic, etc) for this map space */
1474	update_object (op, UP_OBJ_INSERT);	1531	update_object (op, UP_OBJ_INSERT);
1475		1532
1476	INVOKE_OBJECT (INSERT, op);	1533	INVOKE_OBJECT (INSERT, op);
…		…
1483	* blocked() and wall() work properly), and these flags are updated by	1540	* blocked() and wall() work properly), and these flags are updated by
1484	* update_object().	1541	* update_object().
1485	*/	1542	*/
1486		1543
1487	/* if this is not the head or flag has been passed, don't check walk on status */	1544	/* if this is not the head or flag has been passed, don't check walk on status */
1488	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1545	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1489	{	1546	{
1490	if (check_move_on (op, originator))	1547	if (check_move_on (op, originator, flag))
1491	return 0;	1548	return 0;
1492		1549
1493	/* If we are a multi part object, lets work our way through the check	1550	/* If we are a multi part object, let's work our way through the check
1494	* walk on's.	1551	* walk on's.
1495	*/	1552	*/
1496	for (object *tmp = op->more; tmp; tmp = tmp->more)	1553	for (object *tmp = op->more; tmp; tmp = tmp->more)
1497	if (check_move_on (tmp, originator))	1554	if (check_move_on (tmp, originator, flag))
1498	return 0;	1555	return 0;
1499	}	1556	}
1500		1557
1501	return op;	1558	return op;
1502	}	1559	}
…		…
1504	/* this function inserts an object in the map, but if it	1561	/* this function inserts an object in the map, but if it
1505	* finds an object of its own type, it'll remove that one first.	1562	* finds an object of its own type, it'll remove that one first.
1506	* op is the object to insert it under: supplies x and the map.	1563	* op is the object to insert it under: supplies x and the map.
1507	*/	1564	*/
1508	void	1565	void
1509	replace_insert_ob_in_map (const char *arch_string, object *op)	1566	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1510	{	1567	{
1511	/* first search for itself and remove any old instances */	1568	/* first search for itself and remove any old instances */
1512		1569
1513	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)	1570	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1514	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1571	if (tmp->arch->archname == archname) /* same archetype */
1515	tmp->destroy (1);	1572	tmp->destroy ();
1516		1573
1517	object *tmp = arch_to_object (archetype::find (arch_string));	1574	object *tmp = archetype::find (archname)->instance ();
1518		1575
1519	tmp->x = op->x;	1576	tmp->x = op->x;
1520	tmp->y = op->y;	1577	tmp->y = op->y;
1521		1578
1522	insert_ob_in_map (tmp, op->map, op, 0);	1579	insert_ob_in_map (tmp, op->map, op, 0);
…		…
1527	{	1584	{
1528	if (where->env)	1585	if (where->env)
1529	return where->env->insert (this);	1586	return where->env->insert (this);
1530	else	1587	else
1531	return where->map->insert (this, where->x, where->y, originator, flags);	1588	return where->map->insert (this, where->x, where->y, originator, flags);
		1589	}
		1590
		1591	// check whether we can put this into the map, respect max_volume, max_items
		1592	bool
		1593	object::can_drop_at (maptile *m, int x, int y, object *originator)
		1594	{
		1595	mapspace &ms = m->at (x, y);
		1596
		1597	int items = ms.items ();
		1598
		1599	if (!items // testing !items ensures we can drop at least one item
		1600	|| (items < m->max_items
		1601	&& ms.volume () < m->max_volume))
		1602	return true;
		1603
		1604	if (originator && originator->is_player ())
		1605	originator->contr->failmsgf (
		1606	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
		1607	query_name ()
		1608	);
		1609
		1610	return false;
1532	}	1611	}
1533		1612
1534	/*	1613	/*
1535	* decrease(object, number) decreases a specified number from	1614	* decrease(object, number) decreases a specified number from
1536	* the amount of an object. If the amount reaches 0, the object	1615	* the amount of an object. If the amount reaches 0, the object
…		…
1544	if (!nr)	1623	if (!nr)
1545	return true;	1624	return true;
1546		1625
1547	nr = min (nr, nrof);	1626	nr = min (nr, nrof);
1548		1627
		1628	if (nrof > nr)
		1629	{
		1630	sint64 oweight = total_weight ();
		1631
1549	nrof -= nr;	1632	nrof -= nr;
1550
1551	if (nrof)
1552	{
1553	adjust_weight (env, -weight * nr); // carrying == 0
1554		1633
1555	if (object *pl = visible_to ())	1634	if (object *pl = visible_to ())
1556	esrv_update_item (UPD_NROF, pl, this);	1635	esrv_update_item (UPD_NROF, pl, this);
1557		1636
		1637	adjust_weight (env, oweight, total_weight ());
		1638
1558	return true;	1639	return true;
1559	}	1640	}
1560	else	1641	else
1561	{	1642	{
1562	destroy (1);	1643	destroy ();
1563	return false;	1644	return false;
1564	}	1645	}
1565	}	1646	}
1566		1647
1567	/*	1648	/*
…		…
1584	}	1665	}
1585	else	1666	else
1586	{	1667	{
1587	decrease (nr);	1668	decrease (nr);
1588		1669
1589	object *op = object_create_clone (this);	1670	object *op = deep_clone ();
1590	op->nrof = nr;	1671	op->nrof = nr;
1591	return op;	1672	return op;
1592	}	1673	}
1593	}	1674	}
1594		1675
…		…
1636	if (op->nrof)	1717	if (op->nrof)
1637	for (object *tmp = inv; tmp; tmp = tmp->below)	1718	for (object *tmp = inv; tmp; tmp = tmp->below)
1638	if (object::can_merge (tmp, op))	1719	if (object::can_merge (tmp, op))
1639	{	1720	{
1640	/* return the original object and remove inserted object	1721	/* return the original object and remove inserted object
1641	(client needs the original object) */	1722	(client prefers the original object) */
		1723
		1724	// carring must be 0 for mergable objects
		1725	sint64 oweight = tmp->weight * tmp->nrof;
		1726
1642	tmp->nrof += op->nrof;	1727	tmp->nrof += op->nrof;
1643		1728
1644	if (object *pl = tmp->visible_to ())	1729	if (object *pl = tmp->visible_to ())
1645	esrv_update_item (UPD_NROF, pl, tmp);	1730	esrv_update_item (UPD_NROF, pl, tmp);
1646		1731
1647	adjust_weight (this, op->total_weight ());	1732	adjust_weight (this, oweight, tmp->weight * tmp->nrof);
1648		1733
1649	op->destroy (1);	1734	op->destroy ();
1650	op = tmp;	1735	op = tmp;
1651	goto inserted;	1736	goto inserted;
1652	}	1737	}
1653		1738
1654	op->owner = 0; // it's his/hers now. period.	1739	op->owner = 0; // it's his/hers now. period.
…		…
1668	op->flag [FLAG_REMOVED] = 0;	1753	op->flag [FLAG_REMOVED] = 0;
1669		1754
1670	if (object *pl = op->visible_to ())	1755	if (object *pl = op->visible_to ())
1671	esrv_send_item (pl, op);	1756	esrv_send_item (pl, op);
1672		1757
1673	adjust_weight (this, op->total_weight ());	1758	adjust_weight (this, 0, op->total_weight ());
1674		1759
1675	inserted:	1760	inserted:
1676	/* reset the light list and los of the players on the map */	1761	/* reset the light list and los of the players on the map */
1677	if (op->glow_radius && map && map->darkness)	1762	if (op->glow_radius && is_on_map ())
		1763	{
		1764	update_stats ();
1678	update_all_los (map, x, y);	1765	update_all_los (map, x, y);
1679		1766	}
		1767	else if (is_player ())
1680	// if this is a player's inventory, update stats	1768	// if this is a player's inventory, update stats
1681	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])	1769	contr->queue_stats_update ();
1682	update_stats ();
1683		1770
1684	INVOKE_OBJECT (INSERT, this);	1771	INVOKE_OBJECT (INSERT, this);
1685		1772
1686	return op;	1773	return op;
1687	}	1774	}
…		…
1705	* MSW 2001-07-08: Check all objects on space, not just those below	1792	* MSW 2001-07-08: Check all objects on space, not just those below
1706	* object being inserted. insert_ob_in_map may not put new objects	1793	* object being inserted. insert_ob_in_map may not put new objects
1707	* on top.	1794	* on top.
1708	*/	1795	*/
1709	int	1796	int
1710	check_move_on (object *op, object *originator)	1797	check_move_on (object *op, object *originator, int flags)
1711	{	1798	{
		1799	if (op->flag [FLAG_NO_APPLY])
		1800	return 0;
		1801
1712	object *tmp;	1802	object *tmp;
1713	maptile *m = op->map;	1803	maptile *m = op->map;
1714	int x = op->x, y = op->y;	1804	int x = op->x, y = op->y;
1715		1805
1716	MoveType move_on, move_slow, move_block;	1806	mapspace &ms = m->at (x, y);
1717		1807
1718	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1808	ms.update ();
1719	return 0;
1720		1809
1721	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1810	MoveType move_on = ms.move_on;
1722	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1811	MoveType move_slow = ms.move_slow;
1723	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1812	MoveType move_block = ms.move_block;
1724		1813
1725	/* if nothing on this space will slow op down or be applied,	1814	/* if nothing on this space will slow op down or be applied,
1726	* no need to do checking below. have to make sure move_type	1815	* no need to do checking below. have to make sure move_type
1727	* is set, as lots of objects don't have it set - we treat that	1816	* is set, as lots of objects don't have it set - we treat that
1728	* as walking.	1817	* as walking.
…		…
1739	return 0;	1828	return 0;
1740		1829
1741	/* The objects have to be checked from top to bottom.	1830	/* The objects have to be checked from top to bottom.
1742	* Hence, we first go to the top:	1831	* Hence, we first go to the top:
1743	*/	1832	*/
1744		1833	for (object *next, *tmp = ms.top; tmp; tmp = next)
1745	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1746	{
1747	/* Trim the search when we find the first other spell effect
1748	* this helps performance so that if a space has 50 spell objects,
1749	* we don't need to check all of them.
1750	*/
1751	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1752	break;
1753	}	1834	{
		1835	next = tmp->below;
1754		1836
1755	for (; tmp; tmp = tmp->below)
1756	{
1757	if (tmp == op)	1837	if (tmp == op)
1758	continue; /* Can't apply yourself */	1838	continue; /* Can't apply yourself */
1759		1839
1760	/* Check to see if one of the movement types should be slowed down.	1840	/* Check to see if one of the movement types should be slowed down.
1761	* Second check makes sure that the movement types not being slowed	1841	* Second check makes sure that the movement types not being slowed
1762	* (~slow_move) is not blocked on this space - just because the	1842	* (~slow_move) is not blocked on this space - just because the
1763	* space doesn't slow down swimming (for example), if you can't actually	1843	* space doesn't slow down swimming (for example), if you can't actually
1764	* swim on that space, can't use it to avoid the penalty.	1844	* swim on that space, can't use it to avoid the penalty.
1765	*/	1845	*/
1766	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1846	if (!op->flag [FLAG_WIZPASS])
1767	{	1847	{
1768	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1848	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1769	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1849	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1770	{	1850	{
1771
1772	float
1773	diff = tmp->move_slow_penalty * fabs (op->speed);	1851	float diff = tmp->move_slow_penalty * fabs (op->speed);
1774		1852
1775	if (op->type == PLAYER)	1853	if (op->is_player ())
1776	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1854	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1777	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1855	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1778	diff /= 4.0;	1856	diff /= 4.0;
1779		1857
1780	op->speed_left -= diff;	1858	op->speed_left -= diff;
1781	}	1859	}
1782	}	1860	}
1783		1861
1784	/* Basically same logic as above, except now for actual apply. */	1862	/* Basically same logic as above, except now for actual apply. */
1785	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1863	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1786	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1864	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1787	{	1865	{
		1866	if ((flags & INS_NO_AUTO_EXIT)
		1867	&& (tmp->type == EXIT || tmp->type == TELEPORTER
		1868	|| tmp->type == HOLE || tmp->type == TRAPDOOR)) //TODO: temporary, fix exits instead
		1869	continue;
		1870
1788	move_apply (tmp, op, originator);	1871	move_apply (tmp, op, originator);
1789		1872
1790	if (op->destroyed ())	1873	if (op->destroyed ())
1791	return 1;	1874	return 1;
1792		1875
…		…
1815	LOG (llevError, "Present_arch called outside map.\n");	1898	LOG (llevError, "Present_arch called outside map.\n");
1816	return NULL;	1899	return NULL;
1817	}	1900	}
1818		1901
1819	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1902	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1820	if (tmp->arch == at)	1903	if (tmp->arch->archname == at->archname)
1821	return tmp;	1904	return tmp;
1822		1905
1823	return NULL;	1906	return NULL;
1824	}	1907	}
1825		1908
…		…
1889	* The first matching object is returned, or NULL if none.	1972	* The first matching object is returned, or NULL if none.
1890	*/	1973	*/
1891	object *	1974	object *
1892	present_arch_in_ob (const archetype *at, const object *op)	1975	present_arch_in_ob (const archetype *at, const object *op)
1893	{	1976	{
1894	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1977	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1895	if (tmp->arch == at)	1978	if (tmp->arch->archname == at->archname)
1896	return tmp;	1979	return tmp;
1897		1980
1898	return NULL;	1981	return NULL;
1899	}	1982	}
1900		1983
…		…
1904	void	1987	void
1905	flag_inv (object *op, int flag)	1988	flag_inv (object *op, int flag)
1906	{	1989	{
1907	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1990	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1908	{	1991	{
1909	SET_FLAG (tmp, flag);	1992	tmp->set_flag (flag);
1910	flag_inv (tmp, flag);	1993	flag_inv (tmp, flag);
1911	}	1994	}
1912	}	1995	}
1913		1996
1914	/*	1997	/*
…		…
1917	void	2000	void
1918	unflag_inv (object *op, int flag)	2001	unflag_inv (object *op, int flag)
1919	{	2002	{
1920	for (object *tmp = op->inv; tmp; tmp = tmp->below)	2003	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1921	{	2004	{
1922	CLEAR_FLAG (tmp, flag);	2005	tmp->clr_flag (flag);
1923	unflag_inv (tmp, flag);	2006	unflag_inv (tmp, flag);
1924	}	2007	}
1925	}	2008	}
1926		2009
1927	/*	2010	/*
…		…
1988	* head of the object should correspond for the entire object.	2071	* head of the object should correspond for the entire object.
1989	*/	2072	*/
1990	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	2073	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
1991	continue;	2074	continue;
1992		2075
1993	if (ob->blocked (m, pos.x, pos.y))	2076	if (ob->blocked (pos.m, pos.x, pos.y))
1994	continue;	2077	continue;
1995		2078
1996	altern [index++] = i;	2079	altern [index++] = i;
1997	}	2080	}
1998		2081
…		…
2066	* there is capable of.	2149	* there is capable of.
2067	*/	2150	*/
2068	int	2151	int
2069	find_dir (maptile *m, int x, int y, object *exclude)	2152	find_dir (maptile *m, int x, int y, object *exclude)
2070	{	2153	{
2071	int i, max = SIZEOFFREE, mflags;	2154	int max = SIZEOFFREE, mflags;
2072
2073	sint16 nx, ny;
2074	object *tmp;
2075	maptile *mp;
2076
2077	MoveType blocked, move_type;	2155	MoveType move_type;
2078		2156
2079	if (exclude && exclude->head_ () != exclude)	2157	if (exclude && exclude->head_ () != exclude)
2080	{	2158	{
2081	exclude = exclude->head;	2159	exclude = exclude->head;
2082	move_type = exclude->move_type;	2160	move_type = exclude->move_type;
…		…
2085	{	2163	{
2086	/* If we don't have anything, presume it can use all movement types. */	2164	/* If we don't have anything, presume it can use all movement types. */
2087	move_type = MOVE_ALL;	2165	move_type = MOVE_ALL;
2088	}	2166	}
2089		2167
2090	for (i = 1; i < max; i++)	2168	for (int i = 1; i < max; i++)
2091	{	2169	{
2092	mp = m;	2170	mapxy pos (m, x, y);
2093	nx = x + freearr_x[i];	2171	pos.move (i);
2094	ny = y + freearr_y[i];
2095		2172
2096	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2173	if (!pos.normalise ())
2097
2098	if (mflags & P_OUT_OF_MAP)
2099	max = maxfree[i];	2174	max = maxfree[i];
2100	else	2175	else
2101	{	2176	{
2102	mapspace &ms = mp->at (nx, ny);	2177	mapspace &ms = *pos;
2103		2178
2104	blocked = ms.move_block;
2105
2106	if ((move_type & blocked) == move_type)	2179	if ((move_type & ms.move_block) == move_type)
2107	max = maxfree[i];	2180	max = maxfree [i];
2108	else if (mflags & P_IS_ALIVE)	2181	else if (ms.flags () & P_IS_ALIVE)
2109	{	2182	{
2110	for (tmp = ms.bot; tmp; tmp = tmp->above)	2183	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2111	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2184	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2112	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2185	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2113	break;
2114
2115	if (tmp)
2116	return freedir[i];	2186	return freedir [i];
2117	}	2187	}
2118	}	2188	}
2119	}	2189	}
2120		2190
2121	return 0;	2191	return 0;
…		…
2130	{	2200	{
2131	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2201	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2132	}	2202	}
2133		2203
2134	/*	2204	/*
2135	* find_dir_2(delta-x,delta-y) will return a direction in which	2205	* find_dir_2(delta-x,delta-y) will return a direction value
2136	* an object which has subtracted the x and y coordinates of another	2206	* for running into direct [dx, dy].
2137	* object, needs to travel toward it.	2207	* (the opposite of crossfire's find_dir_2!)
2138	*/	2208	*/
2139	int	2209	int
2140	find_dir_2 (int x, int y)	2210	find_dir_2 (int x, int y)
2141	{	2211	{
		2212	#if 1 // new algorithm
		2213	// this works by putting x, y into 16 sectors, which
		2214	// are not equal sized, but are a better approximation
		2215	// then the old algorithm, and then using a mapping
		2216	// table to map it into a direction value.
		2217	// basically, it maps these comparisons to each bit
		2218	// bit #3: x < 0
		2219	// bit #2: y < 0
		2220	// bit #1: x > y
		2221	// bit #0: x > 2y
		2222
		2223	static const uint8 dir[16] = {
		2224	4, 5, 4, 3,
		2225	2, 1, 2, 3,
		2226	6, 5, 6, 7,
		2227	8, 1, 8, 7,
		2228	};
		2229	int sector = 0;
		2230
		2231	// this is a bit ugly, but more likely to result in branchless code
		2232	sector |= x < 0 ? 8 : 0;
		2233	x = x < 0 ? -x : x; // abs
		2234
		2235	sector |= y < 0 ? 4 : 0;
		2236	y = y < 0 ? -y : y; // abs
		2237
		2238	if (x > y)
		2239	{
		2240	sector |= 2;
		2241
		2242	if (x > y * 2)
		2243	sector |= 1;
		2244	}
		2245	else
		2246	{
		2247	if (y > x * 2)
		2248	sector |= 1;
		2249	else if (!y)
		2250	return 0; // x == 0 here
		2251	}
		2252
		2253	return dir [sector];
		2254	#else // old algorithm
2142	int q;	2255	int q;
2143		2256
2144	if (y)	2257	if (y)
2145	q = x * 100 / y;	2258	q = 128 * x / y;
2146	else if (x)	2259	else if (x)
2147	q = -300 * x;	2260	q = -512 * x; // to make it > 309
2148	else	2261	else
2149	return 0;	2262	return 0;
2150		2263
2151	if (y > 0)	2264	if (y > 0)
2152	{	2265	{
2153	if (q < -242)	2266	if (q < -309) return 7;
		2267	if (q < -52) return 6;
		2268	if (q < 52) return 5;
		2269	if (q < 309) return 4;
		2270
2154	return 3;	2271	return 3;
2155	if (q < -41)	2272	}
2156	return 2;	2273	else
2157	if (q < 41)	2274	{
2158	return 1;	2275	if (q < -309) return 3;
2159	if (q < 242)	2276	if (q < -52) return 2;
2160	return 8;	2277	if (q < 52) return 1;
		2278	if (q < 309) return 8;
		2279
2161	return 7;	2280	return 7;
2162	}	2281	}
2163		2282	#endif
2164	if (q < -242)
2165	return 7;
2166	if (q < -41)
2167	return 6;
2168	if (q < 41)
2169	return 5;
2170	if (q < 242)
2171	return 4;
2172
2173	return 3;
2174	}	2283	}
2175		2284
2176	/*	2285	/*
2177	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2286	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2178	* between two directions (which are expected to be absolute (see absdir())	2287	* between two directions (which are expected to be absolute (see absdir())
2179	*/	2288	*/
2180	int	2289	int
2181	dirdiff (int dir1, int dir2)	2290	dirdiff (int dir1, int dir2)
2182	{	2291	{
2183	int d;
2184
2185	d = abs (dir1 - dir2);	2292	int d = abs (dir1 - dir2);
2186	if (d > 4)
2187	d = 8 - d;
2188		2293
2189	return d;	2294	return d > 4 ? 8 - d : d;
2190	}	2295	}
2191		2296
2192	/* peterm:	2297	/* peterm:
2193	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2298	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2194	* Basically, this is a table of directions, and what directions	2299	* Basically, this is a table of directions, and what directions
…		…
2196	* This basically means that if direction is 15, then it could either go	2301	* This basically means that if direction is 15, then it could either go
2197	* direction 4, 14, or 16 to get back to where we are.	2302	* direction 4, 14, or 16 to get back to where we are.
2198	* Moved from spell_util.c to object.c with the other related direction	2303	* Moved from spell_util.c to object.c with the other related direction
2199	* functions.	2304	* functions.
2200	*/	2305	*/
2201	int reduction_dir[SIZEOFFREE][3] = {	2306	static const int reduction_dir[SIZEOFFREE][3] = {
2202	{0, 0, 0}, /* 0 */	2307	{0, 0, 0}, /* 0 */
2203	{0, 0, 0}, /* 1 */	2308	{0, 0, 0}, /* 1 */
2204	{0, 0, 0}, /* 2 */	2309	{0, 0, 0}, /* 2 */
2205	{0, 0, 0}, /* 3 */	2310	{0, 0, 0}, /* 3 */
2206	{0, 0, 0}, /* 4 */	2311	{0, 0, 0}, /* 4 */
…		…
2300	* Add a check so we can't pick up invisible objects (0.93.8)	2405	* Add a check so we can't pick up invisible objects (0.93.8)
2301	*/	2406	*/
2302	int	2407	int
2303	can_pick (const object *who, const object *item)	2408	can_pick (const object *who, const object *item)
2304	{	2409	{
2305	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2410	return /*who->flag [FLAG_WIZ]|| */
2306	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2411	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2307	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2412	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2308	}	2413	}
2309		2414
2310	/*	2415	/*
2311	* create clone from object to another	2416	* create clone from object to another
2312	*/	2417	*/
2313	object *	2418	object *
2314	object_create_clone (object *asrc)	2419	object::deep_clone ()
2315	{	2420	{
2316	object *dst = 0, *tmp, *src, *prev, *item;	2421	assert (("deep_clone called on non-head object", is_head ()));
2317		2422
2318	if (!asrc)	2423	object *dst = clone ();
2319	return 0;
2320		2424
2321	src = asrc->head_ ();	2425	object *prev = dst;
2322
2323	prev = 0;
2324	for (object *part = src; part; part = part->more)	2426	for (object *part = this->more; part; part = part->more)
2325	{	2427	{
2326	tmp = part->clone ();	2428	object *tmp = part->clone ();
2327	tmp->x -= src->x;
2328	tmp->y -= src->y;
2329
2330	if (!part->head)
2331	{
2332	dst = tmp;
2333	tmp->head = 0;
2334	}
2335	else
2336	tmp->head = dst;	2429	tmp->head = dst;
2337
2338	tmp->more = 0;
2339
2340	if (prev)
2341	prev->more = tmp;	2430	prev->more = tmp;
2342
2343	prev = tmp;	2431	prev = tmp;
2344	}	2432	}
2345		2433
2346	for (item = src->inv; item; item = item->below)	2434	for (object *item = inv; item; item = item->below)
2347	insert_ob_in_ob (object_create_clone (item), dst);	2435	insert_ob_in_ob (item->deep_clone (), dst);
2348		2436
2349	return dst;	2437	return dst;
2350	}	2438	}
2351		2439
2352	/* This returns the first object in who's inventory that	2440	/* This returns the first object in who's inventory that
…		…
2361	return tmp;	2449	return tmp;
2362		2450
2363	return 0;	2451	return 0;
2364	}	2452	}
2365		2453
2366	/* If ob has a field named key, return the link from the list,	2454	/* Zero the key_values on op, decrementing the shared-string
2367	* otherwise return NULL.	2455	* refcounts and freeing the links.
2368	*	2456	*/
2369	* key must be a passed in shared string - otherwise, this won't	2457	void
2370	* do the desired thing.	2458	key_values::clear ()
2371	*/
2372	key_value *
2373	get_ob_key_link (const object *ob, const char *key)
2374	{	2459	{
2375	for (key_value *link = ob->key_values; link; link = link->next)	2460	for (key_value *kvp = first; kvp; )
		2461	{
		2462	key_value *next = kvp->next;
		2463	delete kvp;
		2464	kvp = next;
		2465	}
		2466
		2467	first = 0;
		2468	}
		2469
		2470	shstr_tmp
		2471	key_values::get (shstr_tmp key) const
		2472	{
		2473	for (key_value *kv = first; kv; kv = kv->next)
2376	if (link->key == key)	2474	if (kv->key == key)
2377	return link;
2378
2379	return 0;
2380	}
2381
2382	/*
2383	* Returns the value of op has an extra_field for key, or NULL.
2384	*
2385	* The argument doesn't need to be a shared string.
2386	*
2387	* The returned string is shared.
2388	*/
2389	const char *
2390	get_ob_key_value (const object *op, const char *const key)
2391	{
2392	key_value *link;
2393	shstr_cmp canonical_key (key);
2394
2395	if (!canonical_key)
2396	{
2397	/* 1. There being a field named key on any object
2398	* implies there'd be a shared string to find.
2399	* 2. Since there isn't, no object has this field.
2400	* 3. Therefore, *this* object doesn't have this field.
2401	*/
2402	return 0;
2403	}
2404
2405	/* This is copied from get_ob_key_link() above -
2406	* only 4 lines, and saves the function call overhead.
2407	*/
2408	for (link = op->key_values; link; link = link->next)
2409	if (link->key == canonical_key)
2410	return link->value;	2475	return kv->value;
2411		2476
2412	return 0;	2477	return shstr ();
2413	}	2478	}
2414		2479
2415	/*	2480	void
2416	* Updates the canonical_key in op to value.	2481	key_values::add (shstr_tmp key, shstr_tmp value)
2417	*
2418	* canonical_key is a shared string (value doesn't have to be).
2419	*
2420	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2421	* keys.
2422	*
2423	* Returns TRUE on success.
2424	*/
2425	int
2426	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2427	{	2482	{
2428	key_value *field = NULL, *last = NULL;	2483	key_value *kv = new key_value;
2429		2484
2430	for (field = op->key_values; field != NULL; field = field->next)	2485	kv->next = first;
2431	{	2486	kv->key = key;
2432	if (field->key != canonical_key)	2487	kv->value = value;
		2488
		2489	first = kv;
		2490	}
		2491
		2492	void
		2493	key_values::set (shstr_tmp key, shstr_tmp value)
		2494	{
		2495	for (key_value *kv = first; kv; kv = kv->next)
		2496	if (kv->key == key)
2433	{	2497	{
2434	last = field;	2498	kv->value = value;
2435	continue;	2499	return;
2436	}	2500	}
2437		2501
2438	if (value)	2502	add (key, value);
2439	field->value = value;	2503	}
2440	else	2504
		2505	void
		2506	key_values::del (shstr_tmp key)
		2507	{
		2508	for (key_value **kvp = &first; *kvp; kvp = &(*kvp)->next)
		2509	if ((*kvp)->key == key)
2441	{	2510	{
2442	/* Basically, if the archetype has this key set,	2511	key_value *kv = *kvp;
2443	* we need to store the null value so when we save	2512	*kvp = (*kvp)->next;
2444	* it, we save the empty value so that when we load,	2513	delete kv;
2445	* we get this value back again.	2514	return;
2446	*/
2447	if (get_ob_key_link (op->arch, canonical_key))
2448	field->value = 0;
2449	else
2450	{
2451	if (last)
2452	last->next = field->next;
2453	else
2454	op->key_values = field->next;
2455
2456	delete field;
2457	}
2458	}	2515	}
2459	return TRUE;	2516	}
		2517
		2518	void
		2519	key_values::reverse ()
		2520	{
		2521	key_value *prev = 0;
		2522	key_value *head = first;
		2523
		2524	while (head)
2460	}	2525	{
2461	/* IF we get here, key doesn't exist */	2526	key_value *node = head;
		2527	head = head->next;
		2528	node->next = prev;
		2529	prev = node;
		2530	}
2462		2531
2463	/* No field, we'll have to add it. */	2532	first = prev;
2464
2465	if (!add_key)
2466	return FALSE;
2467
2468	/* There isn't any good reason to store a null
2469	* value in the key/value list. If the archetype has
2470	* this key, then we should also have it, so shouldn't
2471	* be here. If user wants to store empty strings,
2472	* should pass in ""
2473	*/
2474	if (value == NULL)
2475	return TRUE;
2476
2477	field = new key_value;
2478
2479	field->key = canonical_key;
2480	field->value = value;
2481	/* Usual prepend-addition. */
2482	field->next = op->key_values;
2483	op->key_values = field;
2484
2485	return TRUE;
2486	}	2533	}
2487		2534
2488	/*	2535	key_values &
2489	* Updates the key in op to value.	2536	key_values::operator =(const key_values &kv)
2490	*
2491	* If add_key is FALSE, this will only update existing keys,
2492	* and not add new ones.
2493	* In general, should be little reason FALSE is ever passed in for add_key
2494	*
2495	* Returns TRUE on success.
2496	*/
2497	int
2498	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2499	{	2537	{
2500	shstr key_ (key);	2538	clear ();
2501		2539
2502	return set_ob_key_value_s (op, key_, value, add_key);	2540	for (key_value *kvp = kv.first; kvp; kvp = kvp->next)
		2541	add (kvp->key, kvp->value);
		2542
		2543	reverse ();
2503	}	2544	}
2504		2545
2505	object::depth_iterator::depth_iterator (object *container)	2546	object::depth_iterator::depth_iterator (object *container)
2506	: iterator_base (container)	2547	: iterator_base (container)
2507	{	2548	{
…		…
2557	{	2598	{
2558	char flagdesc[512];	2599	char flagdesc[512];
2559	char info2[256 * 4];	2600	char info2[256 * 4];
2560	char *p = info;	2601	char *p = info;
2561		2602
2562	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",	2603	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2563	count,	2604	count,
2564	uuid.c_str (),	2605	uuid.c_str (),
2565	&name,	2606	&name,
2566	title ? "\",title:\"" : "",	2607	title ? ",title:\"" : "",
2567	title ? (const char *)title : "",	2608	title ? (const char *)title : "",
		2609	title ? "\"" : "",
2568	flag_desc (flagdesc, 512), type);	2610	flag_desc (flagdesc, 512), type);
2569		2611
2570	if (!this->flag[FLAG_REMOVED] && env)	2612	if (!flag[FLAG_REMOVED] && env)
2571	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2613	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2572		2614
2573	if (map)	2615	if (map)
2574	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2616	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2575		2617
…		…
2590	{	2632	{
2591	return map ? map->region (x, y)	2633	return map ? map->region (x, y)
2592	: region::default_region ();	2634	: region::default_region ();
2593	}	2635	}
2594		2636
2595	const materialtype_t *
2596	object::dominant_material () const
2597	{
2598	if (materialtype_t *mt = name_to_material (materialname))
2599	return mt;
2600
2601	return name_to_material (shstr_unknown);
2602	}
2603
2604	void	2637	void
2605	object::open_container (object *new_container)	2638	object::open_container (object *new_container)
2606	{	2639	{
2607	if (container == new_container)	2640	if (container == new_container)
2608	return;	2641	return;
2609		2642
2610	if (object *old_container = container)	2643	object *old_container = container;
		2644
		2645	if (old_container)
2611	{	2646	{
2612	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2647	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2613	return;	2648	return;
2614		2649
2615	#if 0	2650	#if 0
…		…
2617	if (object *closer = old_container->inv)	2652	if (object *closer = old_container->inv)
2618	if (closer->type == CLOSE_CON)	2653	if (closer->type == CLOSE_CON)
2619	closer->destroy ();	2654	closer->destroy ();
2620	#endif	2655	#endif
2621		2656
		2657	// make sure the container is available
		2658	esrv_send_item (this, old_container);
		2659
2622	old_container->flag [FLAG_APPLIED] = 0;	2660	old_container->flag [FLAG_APPLIED] = false;
2623	container = 0;	2661	container = 0;
2624		2662
		2663	// client needs item update to make it work, client bug requires this to be separate
2625	esrv_update_item (UPD_FLAGS, this, old_container);	2664	esrv_update_item (UPD_FLAGS, this, old_container);
		2665
2626	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2666	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2627	play_sound (sound_find ("chest_close"));	2667	play_sound (sound_find ("chest_close"));
2628	}	2668	}
2629		2669
2630	if (new_container)	2670	if (new_container)
2631	{	2671	{
…		…
2635	// TODO: this does not seem to serve any purpose anymore?	2675	// TODO: this does not seem to serve any purpose anymore?
2636	#if 0	2676	#if 0
2637	// insert the "Close Container" object.	2677	// insert the "Close Container" object.
2638	if (archetype *closer = new_container->other_arch)	2678	if (archetype *closer = new_container->other_arch)
2639	{	2679	{
2640	object *closer = arch_to_object (new_container->other_arch);	2680	object *closer = new_container->other_arch->instance ();
2641	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2681	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2642	new_container->insert (closer);	2682	new_container->insert (closer);
2643	}	2683	}
2644	#endif	2684	#endif
2645		2685
2646	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2686	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2647		2687
		2688	// make sure the container is available, client bug requires this to be separate
		2689	esrv_send_item (this, new_container);
		2690
2648	new_container->flag [FLAG_APPLIED] = 1;	2691	new_container->flag [FLAG_APPLIED] = true;
2649	container = new_container;	2692	container = new_container;
2650		2693
		2694	// client needs flag change
2651	esrv_update_item (UPD_FLAGS, this, new_container);	2695	esrv_update_item (UPD_FLAGS, this, new_container);
2652	esrv_send_inventory (this, new_container);	2696	esrv_send_inventory (this, new_container);
2653	play_sound (sound_find ("chest_open"));	2697	play_sound (sound_find ("chest_open"));
2654	}	2698	}
		2699	// else if (!old_container->env && contr && contr->ns)
		2700	// contr->ns->floorbox_reset ();
2655	}	2701	}
2656		2702
2657	object *	2703	object *
2658	object::force_find (const shstr name)	2704	object::force_find (shstr_tmp name)
2659	{	2705	{
2660	/* cycle through his inventory to look for the MARK we want to	2706	/* cycle through his inventory to look for the MARK we want to
2661	* place	2707	* place
2662	*/	2708	*/
2663	for (object *tmp = inv; tmp; tmp = tmp->below)	2709	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2665	return splay (tmp);	2711	return splay (tmp);
2666		2712
2667	return 0;	2713	return 0;
2668	}	2714	}
2669		2715
		2716	//-GPL
		2717
2670	void	2718	void
		2719	object::force_set_timer (int duration)
		2720	{
		2721	this->duration = 1;
		2722	this->speed_left = -1.f;
		2723
		2724	this->set_speed (duration ? 1.f / duration : 0.f);
		2725	}
		2726
		2727	object *
2671	object::force_add (const shstr name, int duration)	2728	object::force_add (shstr_tmp name, int duration)
2672	{	2729	{
2673	if (object *force = force_find (name))	2730	if (object *force = force_find (name))
2674	force->destroy ();	2731	force->destroy ();
2675		2732
2676	object *force = get_archetype (FORCE_NAME);	2733	object *force = archetype::get (FORCE_NAME);
2677		2734
2678	force->slaying = name;	2735	force->slaying = name;
2679	force->stats.food = 1;	2736	force->force_set_timer (duration);
2680	force->speed_left = -1.f;
2681
2682	force->set_speed (duration ? 1.f / duration : 0.f);
2683	force->flag [FLAG_IS_USED_UP] = true;
2684	force->flag [FLAG_APPLIED] = true;	2737	force->flag [FLAG_APPLIED] = true;
2685		2738
2686	insert (force);	2739	return insert (force);
2687	}	2740	}
2688		2741
2689	void	2742	void
2690	object::play_sound (faceidx sound)	2743	object::play_sound (faceidx sound) const
2691	{	2744	{
2692	if (!sound)	2745	if (!sound)
2693	return;	2746	return;
2694		2747
2695	if (flag [FLAG_REMOVED])	2748	if (is_on_map ())
		2749	map->play_sound (sound, x, y);
		2750	else if (object *pl = in_player ())
		2751	pl->contr->play_sound (sound);
		2752	}
		2753
		2754	void
		2755	object::say_msg (const char *msg) const
		2756	{
		2757	if (is_on_map ())
		2758	map->say_msg (msg, x, y);
		2759	else if (object *pl = in_player ())
		2760	pl->contr->play_sound (sound);
		2761	}
		2762
		2763	void
		2764	object::make_noise ()
		2765	{
		2766	// we do not model noise in the map, so instead put
		2767	// a temporary light into the noise source
		2768	// could use the map instead, but that's less reliable for our
		2769	// goal, which is to make invisibility a bit harder to exploit
		2770
		2771	// currently only works sensibly for players
		2772	if (!is_player ())
2696	return;	2773	return;
2697		2774
2698	if (env)	2775	// find old force, or create new one
2699	{	2776	object *force = force_find (shstr_noise_force);
2700	if (object *pl = in_player ())	2777
2701	pl->contr->play_sound (sound);	2778	if (force)
2702	}	2779	force->speed_left = -1.f; // patch old speed up
2703	else	2780	else
2704	map->play_sound (sound, x, y);	2781	{
2705	}	2782	force = archetype::get (shstr_noise_force);
2706		2783
		2784	force->slaying = shstr_noise_force;
		2785	force->stats.food = 1;
		2786	force->speed_left = -1.f;
		2787
		2788	force->set_speed (1.f / 4.f);
		2789	force->flag [FLAG_IS_USED_UP] = true;
		2790	force->flag [FLAG_APPLIED] = true;
		2791
		2792	insert (force);
		2793	}
		2794	}
		2795
		2796	void object::change_move_type (MoveType mt)
		2797	{
		2798	if (move_type == mt)
		2799	return;
		2800
		2801	if (is_on_map ())
		2802	{
		2803	// we are on the map, so handle move_on/off effects
		2804	remove ();
		2805	move_type = mt;
		2806	map->insert (this, x, y, this);
		2807	}
		2808	else
		2809	move_type = mt;
		2810	}
		2811
		2812	/* object should be a player.
		2813	* we return the object the player has marked with the 'mark' command
		2814	* below. If no match is found (or object has changed), we return
		2815	* NULL. We leave it up to the calling function to print messages if
		2816	* nothing is found.
		2817	*/
		2818	object *
		2819	object::mark () const
		2820	{
		2821	if (contr && contr->mark && contr->mark->env == this)
		2822	return contr->mark;
		2823	else
		2824	return 0;
		2825	}
		2826
		2827	// put marked object first in the inventory
		2828	// this is used by identify-like spells so players can influence
		2829	// the order a bit.
		2830	void
		2831	object::splay_marked ()
		2832	{
		2833	if (object *marked = mark ())
		2834	splay (marked);
		2835	}
		2836

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