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Comparing deliantra/server/common/object.C (file contents):
Revision 1.233 by root, Tue May 6 18:47:32 2008 UTC vs.
Revision 1.368 by root, Wed Dec 5 19:03:26 2018 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 (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team
4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	5	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	6	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	7	* Copyright (©) 1992 Frank Tore Johansen
7	*	8	*
8	* Deliantra is free software: you can redistribute it and/or modify	9	* 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	10	* 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	11	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	12	* option) any later version.
12	*	13	*
13	* This program is distributed in the hope that it will be useful,	14	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	17	* GNU General Public License for more details.
17	*	18	*
18	* You should have received a copy of the GNU General Public License	19	* 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/>.	20	* and the GNU General Public License along with this program. If not, see
		21	* <http://www.gnu.org/licenses/>.
20	*	22	*
21	* The authors can be reached via e-mail to <support@deliantra.net>	23	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	24	*/
23		25
24	#include <global.h>	26	#include <global.h>
25	#include <stdio.h>	27	#include <stdio.h>
26	#include <sys/types.h>	28	#include <sys/types.h>
27	#include <sys/uio.h>	29	#include <sys/uio.h>
28	#include <object.h>	30	#include <object.h>
29	#include <sproto.h>	31	#include <sproto.h>
30	#include <loader.h>
31		32
32	#include <bitset>	33	#include <bitset>
33		34
34	UUID UUID::cur;	35	UUID UUID::cur;
35	static uint64_t seq_next_save;	36	static uint64_t seq_next_save;
36	static const uint64 UUID_GAP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
		38	uint32_t mapspace::smellcount = 10000;
37		39
38	objectvec objects;	40	objectvec objects;
39	activevec actives;	41	activevec actives;
40		42
		43	freelist_item *object::freelist;
		44	uint32_t object::object_count;
		45	uint32_t object::free_count;
		46	uint32_t object::create_count;
		47	uint32_t object::destroy_count;
		48
		49	//+GPL
		50
41	short freearr_x[SIZEOFFREE] = {	51	int freearr_x[SIZEOFFREE] = {
42	0,	52	0,
43	0, 1, 1, 1, 0, -1, -1, -1,	53	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,	54	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
45	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	55	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
46	};	56	};
47	short freearr_y[SIZEOFFREE] = {	57	int freearr_y[SIZEOFFREE] = {
48	0,	58	0,
49	-1, -1, 0, 1, 1, 1, 0, -1,	59	-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,	60	-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	61	-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	};
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	};	62	};
59	int freedir[SIZEOFFREE] = {	63	int freedir[SIZEOFFREE] = {
60	0,	64	0,
61	1, 2, 3, 4, 5, 6, 7, 8,	65	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,	66	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	67	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
64	};	68	};
65		69
		70	static int maxfree[SIZEOFFREE] = {
		71	0,
		72	9, 10, 13, 14, 17, 18, 21, 22,
		73	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		74	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		75	};
		76
		77	const char *wall_suffix[16] = {
		78	"0",
		79	"1_3",
		80	"1_4",
		81	"2_1_2",
		82	"1_2",
		83	"2_2_4",
		84	"2_2_1",
		85	"3_1",
		86	"1_1",
		87	"2_2_3",
		88	"2_2_2",
		89	"3_3",
		90	"2_1_1",
		91	"3_4",
		92	"3_2",
		93	"4"
		94	};
		95
66	static void	96	static void
67	write_uuid (uval64 skip, bool sync)	97	write_uuid (uval64 skip, bool sync)
68	{	98	{
69	CALL_BEGIN (2);	99	CALL_BEGIN (2);
70	CALL_ARG_SV (newSVval64 (skip));	100	CALL_ARG_SV (newSVval64 (skip));
…		…
72	CALL_CALL ("cf::write_uuid", G_DISCARD);	102	CALL_CALL ("cf::write_uuid", G_DISCARD);
73	CALL_END;	103	CALL_END;
74	}	104	}
75		105
76	static void	106	static void
77	read_uuid (void)	107	read_uuid ()
78	{	108	{
79	char filename[MAX_BUF];	109	char filename[MAX_BUF];
80		110
81	sprintf (filename, "%s/uuid", settings.localdir);	111	sprintf (filename, "%s/uuid", settings.localdir);
82		112
…		…
96		126
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	127	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	128	_exit (1);
99	}	129	}
100		130
101	UUID::BUF buf;	131	char buf [UUID::MAX_LEN];
102	buf[0] = 0;	132	buf[0] = 0;
103	fgets (buf, sizeof (buf), fp);	133	fgets (buf, sizeof (buf), fp);
104		134
105	if (!UUID::cur.parse (buf))	135	if (!UUID::cur.parse (buf))
106	{	136	{
…		…
119	{	149	{
120	UUID uid;	150	UUID uid;
121		151
122	uid.seq = ++cur.seq;	152	uid.seq = ++cur.seq;
123		153
124	if (expect_false (cur.seq >= seq_next_save))	154	if (ecb_expect_false (cur.seq >= seq_next_save))
125	{	155	{
126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);	156	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
127	write_uuid (UUID_GAP, false);	157	write_uuid (UUID_GAP, false);
128	}	158	}
129		159
…		…
133		163
134	void	164	void
135	UUID::init ()	165	UUID::init ()
136	{	166	{
137	read_uuid ();	167	read_uuid ();
		168	}
		169
		170	bool
		171	UUID::parse (const char *s)
		172	{
		173	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		174	return false;
		175
		176	seq = 0;
		177
		178	while (*s != '>')
		179	{
		180	if (*s < '0')
		181	return false;
		182
		183	// this gives nice branchless code with gcc
		184	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		185	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		186
		187	seq = (seq << 4) | digit;
		188
		189	++s;
		190	}
		191
		192	return true;
		193	}
		194
		195	char *
		196	UUID::append (char *buf) const
		197	{
		198	*buf++ = '<';
		199	*buf++ = '1';
		200	*buf++ = '.';
		201
		202	uint64_t seq = this->seq;
		203	const int bits = 64;
		204	char nz = 0;
		205	static const char tohex [] = "0123456789abcdef";
		206
		207	// assert (len >= 3 + bits / 4 + 1 + 1);
		208	for (int i = bits / 4; --i; )
		209	{
		210	uint8_t digit = seq >> (bits - 4);
		211
		212	*buf = tohex [digit];
		213	nz |= digit;
		214	buf += nz ? 1 : 0;
		215	seq <<= 4;
		216	}
		217
		218	// last digit is special - always emit
		219	uint8_t digit = seq >> (bits - 4);
		220	*buf++ = tohex [digit];
		221
		222	*buf++ = '>';
		223
		224	return buf;
		225	}
		226
		227	char *
		228	UUID::c_str () const
		229	{
		230	static char buf [MAX_LEN];
		231	*append (buf) = 0;
		232	return buf;
138	}	233	}
139		234
140	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	235	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
141	static bool	236	static bool
142	compare_ob_value_lists_one (const object *wants, const object *has)	237	compare_ob_value_lists_one (const object *wants, const object *has)
143	{	238	{
144	/* n-squared behaviour (see kv_get), but I'm hoping both	239	/* n-squared behaviour (see kv.get), but I'm hoping both
145	* objects with lists are rare, and lists stay short. If not, use a	240	* objects with lists are rare, and lists stay short. If not, use a
146	* different structure or at least keep the lists sorted...	241	* different structure or at least keep the lists sorted...
147	*/	242	*/
148		243
149	/* For each field in wants, */	244	/* For each field in wants, */
150	for (key_value *kv = wants->key_values; kv; kv = kv->next)	245	for (key_value *kv = wants->kv.first; kv; kv = kv->next)
151	if (has->kv_get (kv->key) != kv->value)	246	if (has->kv.get (kv->key) != kv->value)
152	return false;	247	return false;
153		248
154	/* If we get here, every field in wants has a matching field in has. */	249	/* If we get here, every field in wants has a matching field in has. */
155	return true;	250	return true;
156	}	251	}
…		…
178	* Improvements made with merge: Better checking on potion, and also	273	* Improvements made with merge: Better checking on potion, and also
179	* check weight	274	* check weight
180	*/	275	*/
181	bool object::can_merge_slow (object *ob1, object *ob2)	276	bool object::can_merge_slow (object *ob1, object *ob2)
182	{	277	{
183	/* A couple quicksanity checks */	278	/* A couple quick sanity checks */
184	if (ob1 == ob2	279	if (ob1 == ob2
185	|| ob1->type != ob2->type	280	|| ob1->type != ob2->type
186	|| ob1->speed != ob2->speed
187	|| ob1->value != ob2->value	281	|| ob1->value != ob2->value
188	|| ob1->name != ob2->name)	282	|| ob1->name != ob2->name
		283	|| ob1->custom_name != ob2->custom_name
		284	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
189	return 0;	285	return 0;
190		286
191	/* Do not merge objects if nrof would overflow. First part checks	287	/* Do not merge objects if nrof would overflow, assume nrof
192	* for unsigned overflow (2c), second part checks whether the result	288	* is always 0 .. 2**31-1 */
193	* would fit into a 32 bit signed int, which is often used to hold	289	if (ob1->nrof > 0x7fffffff - ob2->nrof)
194	* nrof values.
195	*/
196	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
197	return 0;	290	return 0;
198		291
199	/* If the objects have been identified, set the BEEN_APPLIED flag.	292	/* If the objects have been identified, set the BEEN_APPLIED flag.
200	* This is to the comparison of the flags below will be OK. We	293	* This is to the comparison of the flags below will be OK. We
201	* just can't ignore the been applied or identified flags, as they	294	* just can't ignore the been applied or identified flags, as they
202	* are not equal - just if it has been identified, the been_applied	295	* are not equal - just if it has been identified, the been_applied
203	* flags lose any meaning.	296	* flags lose any meaning.
204	*/	297	*/
205	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	298	if (ob1->flag [FLAG_IDENTIFIED])
206	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	299	ob1->set_flag (FLAG_BEEN_APPLIED);
207		300
208	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	301	if (ob2->flag [FLAG_IDENTIFIED])
209	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	302	ob2->set_flag (FLAG_BEEN_APPLIED);
210		303
211	if (ob1->arch->name != ob2->arch->name	304	if (ob1->arch->archname != ob2->arch->archname
212	|| ob1->name != ob2->name	305	|| ob1->name != ob2->name
213	|| ob1->title != ob2->title	306	|| ob1->title != ob2->title
214	|| ob1->msg != ob2->msg	307	|| ob1->msg != ob2->msg
215	|| ob1->weight != ob2->weight	308	|| ob1->weight != ob2->weight
216	|| ob1->attacktype != ob2->attacktype	309	|| ob1->attacktype != ob2->attacktype
217	|| ob1->magic != ob2->magic	310	|| ob1->magic != ob2->magic
218	|| ob1->slaying != ob2->slaying	311	|| ob1->slaying != ob2->slaying
219	|| ob1->skill != ob2->skill	312	|| ob1->skill != ob2->skill
220	|| ob1->value != ob2->value	313	|| ob1->value != ob2->value
221	|| ob1->animation_id != ob2->animation_id	314	|| ob1->animation_id != ob2->animation_id
		315	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
222	|| ob1->client_type != ob2->client_type	316	|| ob1->client_type != ob2->client_type
223	|| ob1->materialname != ob2->materialname	317	|| ob1->material != ob2->material
224	|| ob1->lore != ob2->lore	318	|| ob1->lore != ob2->lore
225	|| ob1->subtype != ob2->subtype	319	|| ob1->subtype != ob2->subtype
226	|| ob1->move_type != ob2->move_type	320	|| ob1->move_type != ob2->move_type
227	|| ob1->move_block != ob2->move_block	321	|| ob1->move_block != ob2->move_block
228	|| ob1->move_allow != ob2->move_allow	322	|| ob1->move_allow != ob2->move_allow
229	|| ob1->move_on != ob2->move_on	323	|| ob1->move_on != ob2->move_on
230	|| ob1->move_off != ob2->move_off	324	|| ob1->move_off != ob2->move_off
231	|| ob1->move_slow != ob2->move_slow	325	|| ob1->move_slow != ob2->move_slow
232	|| ob1->move_slow_penalty != ob2->move_slow_penalty	326	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))	327	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))	328	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
235	return 0;	329	return 0;
236		330
237	if ((ob1->flag ^ ob2->flag)	331	if ((ob1->flag ^ ob2->flag)
238	.reset (FLAG_INV_LOCKED)	332	.reset (FLAG_INV_LOCKED)
239	.reset (FLAG_CLIENT_SENT)
240	.reset (FLAG_REMOVED)	333	.reset (FLAG_REMOVED)
241	.any ())	334	.any ())
242	return 0;	335	return 0;
243		336
244	/* This is really a spellbook check - we should in general	337	/* This is really a spellbook check - we should in general
…		…
259	/* inventory ok - still need to check rest of this object to see	352	/* inventory ok - still need to check rest of this object to see
260	* if it is valid.	353	* if it is valid.
261	*/	354	*/
262	}	355	}
263		356
264	/* Don't merge objects that are applied. With the new 'body' code,	357	/* Don't merge objects that are applied. With the new 'body' code,
265	* it is possible for most any character to have more than one of	358	* it is possible for most any character to have more than one of
266	* some items equipped, and we don't want those to merge.	359	* some items equipped, and we don't want those to merge.
267	*/	360	*/
268	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	361	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
269	return 0;	362	return 0;
270		363
271	/* Note sure why the following is the case - either the object has to	364	/* Not sure why the following is the case - either the object has to
272	* be animated or have a very low speed. Is this an attempted monster	365	* be animated or have a very low speed. Is this an attempted monster
273	* check?	366	* check?
274	*/	367	*/
275	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	368	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
276	return 0;	369	return 0;
277		370
278	switch (ob1->type)	371	switch (ob1->type)
279	{	372	{
280	case SCROLL:	373	case SCROLL:
281	if (ob1->level != ob2->level)	374	if (ob1->level != ob2->level)
282	return 0;	375	return 0;
283	break;	376	break;
284	}	377	}
285		378
286	if (ob1->key_values || ob2->key_values)	379	if (!ob1->kv.empty () || !ob2->kv.empty ())
287	{	380	{
288	/* At least one of these has key_values. */	381	/* At least one of these has key_values. */
289	if ((!ob1->key_values) != (!ob2->key_values))	382	if (ob1->kv.empty () != ob2->kv.empty ())
290	return 0; /* One has fields, but the other one doesn't. */	383	return 0; /* One has fields, but the other one doesn't. */
291		384
292	if (!compare_ob_value_lists (ob1, ob2))	385	if (!compare_ob_value_lists (ob1, ob2))
293	return 0;	386	return 0;
294	}	387	}
…		…
326	{	419	{
327	// see if we are in a container of sorts	420	// see if we are in a container of sorts
328	if (env)	421	if (env)
329	{	422	{
330	// the player inventory itself is always visible	423	// the player inventory itself is always visible
331	if (env->type == PLAYER)	424	if (env->is_player ())
332	return env;	425	return env;
333		426
334	// else a player could have our env open	427	// else a player could have our env open
335	object *envest = env->outer_env ();	428	object *envest = env->outer_env_or_self ();
336		429
337	// the player itself is always on a map, so we will find him here	430	// the player itself is always on a map, so we will find him here
338	// even if our inv is in a player.	431	// even if our inv is in a player.
339	if (envest->is_on_map ())	432	if (envest->is_on_map ())
340	if (object *pl = envest->ms ().player ())	433	if (object *pl = envest->ms ().player ())
341	if (pl->container == env)	434	if (pl->container_ () == env)
342	return pl;	435	return pl;
343	}	436	}
344	else	437	else
345	{	438	{
346	// maybe there is a player standing on the same mapspace	439	// maybe there is a player standing on the same mapspace
347	// this will catch the case where "this" is a player	440	// this will catch the case where "this" is a player
348	if (object *pl = ms ().player ())	441	if (object *pl = ms ().player ())
349	if (!pl->container || this == pl->container)	442	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		443	|| pl->container_ () == this)
350	return pl;	444	return pl;
351	}	445	}
352	}	446	}
353		447
354	return 0;	448	return 0;
355	}	449	}
356		450
357	// adjust weight per container type ("of holding")	451	// adjust weight per container type ("of holding")
358	static sint32	452	static weight_t
359	weight_adjust_for (object *op, sint32 weight)	453	weight_adjust_for (object *op, weight_t weight)
360	{	454	{
361	return op->type == CONTAINER	455	if (op->type == CONTAINER)
362	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)	456	weight -= weight * op->stats.Str / 100;
363	: weight;
364	}
365		457
		458	return weight;
		459	}
		460
366	/*	461	/*
367	* adjust_weight(object, weight) adds the specified weight to an object,	462	* subtracts, then adds, the specified weight to an object,
368	* and also updates how much the environment(s) is/are carrying.	463	* and also updates how much the environment(s) is/are carrying.
369	*/	464	*/
370	static void	465	static void
371	adjust_weight (object *op, sint32 weight)	466	adjust_weight (object *op, weight_t sub, weight_t add)
372	{	467	{
373	while (op)	468	while (op)
374	{	469	{
375	// adjust by actual difference to account for rounding errors	470	weight_t carrying = (weight_t)op->carrying
376	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct	471	- weight_adjust_for (op, sub)
377	weight = weight_adjust_for (op, op->carrying)	472	+ weight_adjust_for (op, add);
378	- weight_adjust_for (op, op->carrying - weight);
379		473
380	if (!weight)	474	sub = op->carrying;
381	return;
382
383	op->carrying += weight;	475	op->carrying = carrying;
		476	add = op->carrying;
384		477
385	if (object *pl = op->visible_to ())	478	if (object *pl = op->visible_to ())
386	if (pl != op) // player is handled lazily	479	if (pl != op) // player is handled lazily
387	esrv_update_item (UPD_WEIGHT, pl, op);	480	esrv_update_item (UPD_WEIGHT, pl, op);
388		481
…		…
396	* containers are carrying, and sums it up.	489	* containers are carrying, and sums it up.
397	*/	490	*/
398	void	491	void
399	object::update_weight ()	492	object::update_weight ()
400	{	493	{
401	sint32 sum = 0;	494	weight_t sum = 0;
402		495
403	for (object *op = inv; op; op = op->below)	496	for (object *op = inv; op; op = op->below)
404	{	497	{
405	if (op->inv)
406	op->update_weight ();	498	op->update_weight ();
407		499
408	sum += op->total_weight ();	500	sum += weight_adjust_for (this, op->total_weight ());
409	}	501	}
410
411	sum = weight_adjust (this, sum);
412		502
413	if (sum != carrying)	503	if (sum != carrying)
414	{	504	{
		505	if (carrying != sum && carrying)//D
		506	LOG (llevDebug, "updating carrying got %ld, expected %ld (%s)\n",
		507	(long long)sum, (long long)carrying, debug_desc ());
		508
415	carrying = sum;	509	carrying = sum;
416		510
417	if (object *pl = visible_to ())	511	if (object *pl = visible_to ())
418	if (pl != this) // player is handled lazily	512	if (pl != this) // player is handled lazily
419	esrv_update_item (UPD_WEIGHT, pl, this);	513	esrv_update_item (UPD_WEIGHT, pl, this);
…		…
432	object_freezer freezer;	526	object_freezer freezer;
433	op->write (freezer);	527	op->write (freezer);
434	return freezer.as_string ();	528	return freezer.as_string ();
435	}	529	}
436		530
437	/*	531	char *
438	* get_nearest_part(multi-object, object 2) returns the part of the	532	object::as_string ()
439	* multi-object 1 which is closest to the second object.
440	* If it's not a multi-object, it is returned.
441	*/
442	object *
443	get_nearest_part (object *op, const object *pl)
444	{	533	{
445	object *tmp, *closest;	534	return dump_object (this);
446	int last_dist, i;
447
448	if (!op->more)
449	return op;
450
451	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
452	tmp;
453	tmp = tmp->more)
454	if ((i = distance (tmp, pl)) < last_dist)
455	closest = tmp, last_dist = i;
456
457	return closest;
458	}	535	}
459		536
460	/*	537	/*
461	* Returns the object which has the count-variable equal to the argument.	538	* Returns the object which has the count-variable equal to the argument.
462	* VERRRY slow.	539	* VERRRY slow.
…		…
470		547
471	return 0;	548	return 0;
472	}	549	}
473		550
474	/*	551	/*
		552	* Returns the object which has the uuid equal to the argument.
		553	* MOAR VERRRY slow.
		554	*/
		555
		556	object *
		557	find_object_uuid (UUID i)
		558	{
		559	for_all_objects (op)
		560	if (op->uuid == i)
		561	return op;
		562
		563	return 0;
		564	}
		565
		566	/*
475	* Returns the first object which has a name equal to the argument.	567	* Returns the first object which has a name equal to the argument.
476	* Used only by the patch command, but not all that useful.	568	* Used only by the patch command, but not all that useful.
477	* Enables features like "patch <name-of-other-player> food 999"	569	* Enables features like "patch <name-of-other-player> food 999"
478	*/	570	*/
479	object *	571	object *
480	find_object_name (const char *str)	572	find_object_name (const char *str)
481	{	573	{
482	shstr_cmp str_ (str);	574	shstr_cmp str_ (str);
483	object *op;
484		575
		576	if (str_)
485	for_all_objects (op)	577	for_all_objects (op)
486	if (op->name == str_)	578	if (op->name == str_)
487	break;	579	return op;
488		580
489	return op;	581	return 0;
490	}	582	}
491		583
492	/*	584	/*
493	* Sets the owner and sets the skill and exp pointers to owner's current	585	* Sets the owner and sets the skill and exp pointers to owner's current
494	* skill and experience objects.	586	* skill and experience objects.
…		…
507	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());	599	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
508	return;	600	return;
509	}	601	}
510		602
511	this->owner = owner;	603	this->owner = owner;
512	}
513
514	int
515	object::slottype () const
516	{
517	if (type == SKILL)
518	{
519	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
520	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
521	}
522	else
523	{
524	if (slot [body_combat].info) return slot_combat;
525	if (slot [body_range ].info) return slot_ranged;
526	}
527
528	return slot_none;
529	}
530
531	bool
532	object::change_weapon (object *ob)
533	{
534	if (current_weapon == ob)
535	return true;
536
537	if (chosen_skill)
538	chosen_skill->flag [FLAG_APPLIED] = false;
539
540	current_weapon = ob;
541	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
542
543	if (chosen_skill)
544	chosen_skill->flag [FLAG_APPLIED] = true;
545
546	update_stats ();
547
548	if (ob)
549	{
550	// now check wether any body locations became invalid, in which case
551	// we cannot apply the weapon at the moment.
552	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
553	if (slot[i].used < 0)
554	{
555	current_weapon = chosen_skill = 0;
556	update_stats ();
557
558	new_draw_info_format (NDI_UNIQUE, 0, this,
559	"You try to balance all your items at once, "
560	"but the %s is just too much for your body. "
561	"[You need to unapply some items first.]", &ob->name);
562	return false;
563	}
564
565	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
566	}
567	else
568	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
569
570	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
571	{
572	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
573	&name, ob->debug_desc ());
574	return false;
575	}
576
577	return true;
578	}
579
580	/* Zero the key_values on op, decrementing the shared-string
581	* refcounts and freeing the links.
582	*/
583	static void
584	free_key_values (object *op)
585	{
586	for (key_value *i = op->key_values; i; )
587	{
588	key_value *next = i->next;
589	delete i;
590
591	i = next;
592	}
593
594	op->key_values = 0;
595	}	604	}
596		605
597	/*	606	/*
598	* copy_to first frees everything allocated by the dst object,	607	* copy_to first frees everything allocated by the dst object,
599	* and then copies the contents of itself into the second	608	* and then copies the contents of itself into the second
…		…
605	void	614	void
606	object::copy_to (object *dst)	615	object::copy_to (object *dst)
607	{	616	{
608	dst->remove ();	617	dst->remove ();
609	*(object_copy *)dst = *this;	618	*(object_copy *)dst = *this;
		619
		620	// maybe move to object_copy?
		621	dst->kv = kv;
		622
610	dst->flag [FLAG_REMOVED] = true;	623	dst->flag [FLAG_REMOVED] = true;
611		624	dst->activate ();
612	/* Copy over key_values, if any. */
613	if (key_values)
614	{
615	key_value *tail = 0;
616	dst->key_values = 0;
617
618	for (key_value *i = key_values; i; i = i->next)
619	{
620	key_value *new_link = new key_value;
621
622	new_link->next = 0;
623	new_link->key = i->key;
624	new_link->value = i->value;
625
626	/* Try and be clever here, too. */
627	if (!dst->key_values)
628	{
629	dst->key_values = new_link;
630	tail = new_link;
631	}
632	else
633	{
634	tail->next = new_link;
635	tail = new_link;
636	}
637	}
638	}
639
640	if (speed < 0)
641	dst->speed_left -= rndm ();
642
643	dst->set_speed (dst->speed);
644	}	625	}
645		626
646	void	627	void
647	object::instantiate ()	628	object::instantiate ()
648	{	629	{
649	if (!uuid.seq) // HACK	630	if (!uuid.seq) // HACK
650	uuid = UUID::gen ();	631	uuid = UUID::gen ();
651		632
		633	// TODO: unclean state changes, should not be done in copy_to AND instantiate
		634	if (flag [FLAG_RANDOM_SPEED] && speed)
		635	speed_left = - speed - rndm (); // TODO animation
		636	else
652	speed_left = -0.1f;	637	speed_left = -1.;
		638
653	/* copy the body_info to the body_used - this is only really	639	/* copy the body_info to the body_used - this is only really
654	* need for monsters, but doesn't hurt to do it for everything.	640	* need for monsters, but doesn't hurt to do it for everything.
655	* by doing so, when a monster is created, it has good starting	641	* by doing so, when a monster is created, it has good starting
656	* values for the body_used info, so when items are created	642	* values for the body_used info, so when items are created
657	* for it, they can be properly equipped.	643	* for it, they can be properly equipped.
658	*/	644	*/
659	for (int i = NUM_BODY_LOCATIONS; i--; )	645	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
660	slot[i].used = slot[i].info;	646	slot[i].used = slot[i].info;
661		647
662	attachable::instantiate ();	648	attachable::instantiate ();
663	}	649	}
664		650
665	object *	651	object *
666	object::clone ()	652	object::clone ()
667	{	653	{
668	object *neu = create ();	654	object *neu = create ();
669	copy_to (neu);	655	copy_to (neu);
		656
		657	// TODO: unclean state changes, should not be done in clone AND instantiate
		658	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		659	neu->speed_left = - neu->speed - rndm (); // TODO animation
		660
670	neu->map = map; // not copied by copy_to	661	neu->map = map; // not copied by copy_to
671	return neu;	662	return neu;
		663	}
		664
		665	// update the anhimation frame of an object, but only if it has an animation
		666	// assigned and the frame number if within the animation.
		667	void object::update_anim_frame (int frame)
		668	{
		669	if (ecb_expect_false (!has_anim () || frame >= anim_frames ()))
		670	return;
		671
		672	set_anim_frame (frame);
		673	update_object (this, UP_OBJ_FACE);
672	}	674	}
673		675
674	/*	676	/*
675	* If an object with the IS_TURNABLE() flag needs to be turned due	677	* If an object with the IS_TURNABLE() flag needs to be turned due
676	* to the closest player being on the other side, this function can	678	* to the closest player being on the other side, this function can
677	* be called to update the face variable, _and_ how it looks on the map.	679	* be called to update the face variable, _and_ how it looks on the map.
678	*/	680	*/
679	void	681	void
680	update_turn_face (object *op)	682	update_turn_face (object *op)
681	{	683	{
682	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	684	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
683	return;	685	return;
684		686
685	SET_ANIMATION (op, op->direction);	687	op->update_anim_frame (op->direction);
686	update_object (op, UP_OBJ_FACE);
687	}	688	}
688		689
689	/*	690	/*
690	* Updates the speed of an object. If the speed changes from 0 to another	691	* Updates the speed of an object. If the speed changes from 0 to another
691	* value, or vice versa, then add/remove the object from the active list.	692	* value, or vice versa, then add/remove the object from the active list.
692	* This function needs to be called whenever the speed of an object changes.	693	* This function needs to be called whenever the speed of an object changes.
693	*/	694	*/
694	void	695	void
695	object::set_speed (float speed)	696	object::set_speed (float speed)
696	{	697	{
697	if (flag [FLAG_FREED] && speed)
698	{
699	LOG (llevError, "Object %s is freed but has speed.\n", &name);
700	speed = 0;
701	}
702
703	this->speed = speed;	698	this->speed = speed;
704		699
705	if (has_active_speed ())	700	if (has_active_speed ())
706	activate ();	701	activate ();
707	else	702	else
708	deactivate ();	703	deactivate ();
709	}	704	}
710		705
711	/*	706	/*
712	* update_object() updates the the map.	707	* update_object() updates the map.
713	* It takes into account invisible objects (and represent squares covered	708	* It takes into account invisible objects (and represent squares covered
714	* by invisible objects by whatever is below them (unless it's another	709	* by invisible objects by whatever is below them (unless it's another
715	* invisible object, etc...)	710	* invisible object, etc...)
716	* If the object being updated is beneath a player, the look-window	711	* If the object being updated is beneath a player, the look-window
717	* of that player is updated (this might be a suboptimal way of	712	* of that player is updated (this might be a suboptimal way of
…		…
754	}	749	}
755		750
756	mapspace &m = op->ms ();	751	mapspace &m = op->ms ();
757		752
758	if (!(m.flags_ & P_UPTODATE))	753	if (!(m.flags_ & P_UPTODATE))
759	/* nop */;	754	m.update_up (); // nothing to do except copy up
760	else if (action == UP_OBJ_INSERT)	755	else if (action == UP_OBJ_INSERT)
761	{	756	{
		757	#if 0
762	// this is likely overkill, TODO: revisit (schmorp)	758	// this is likely overkill, TODO: revisit (schmorp)
763	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	759	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
764	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	760	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
765	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	761	|| (op->is_player () && !(m.flags_ & P_PLAYER))
766	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	762	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
767	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	763	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
768	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	764	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
769	|| (m.move_on | op->move_on ) != m.move_on	765	|| (m.move_on | op->move_on ) != m.move_on
770	|| (m.move_off | op->move_off ) != m.move_off	766	|| (m.move_off | op->move_off ) != m.move_off
771	|| (m.move_slow | op->move_slow) != m.move_slow	767	|| (m.move_slow | op->move_slow) != m.move_slow
772	/* This isn't perfect, but I don't expect a lot of objects to	768	/* This isn't perfect, but I don't expect a lot of objects to
773	* to have move_allow right now.	769	* have move_allow right now.
774	*/	770	*/
775	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	771	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		772	m.invalidate ();
		773	#else
776	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	774	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
777	m.flags_ = 0;	775	m.invalidate ();
		776	#endif
778	}	777	}
779	/* if the object is being removed, we can't make intelligent	778	/* if the object is being removed, we can't make intelligent
780	* decisions, because remove_ob can't really pass the object	779	* decisions, because remove_ob can't really pass the object
781	* that is being removed.	780	* that is being removed.
782	*/	781	*/
783	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	782	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
784	m.flags_ = 0;	783	m.invalidate ();
785	else if (action == UP_OBJ_FACE)	784	else if (action == UP_OBJ_FACE)
786	/* Nothing to do for that case */ ;	785	m.update_up (); // nothing to do for that case, except copy up
787	else	786	else
788	LOG (llevError, "update_object called with invalid action: %d\n", action);	787	LOG (llevError, "update_object called with invalid action: %d\n", action);
789		788
790	if (op->more)	789	if (op->more)
791	update_object (op->more, action);	790	update_object (op->more, action);
792	}	791	}
793		792
794	object::object ()	793	object::object ()
795	{	794	{
796	SET_FLAG (this, FLAG_REMOVED);	795	this->set_flag (FLAG_REMOVED);
797		796
798	expmul = 1.0;	797	//expmul = 1.0; declared const for the time being
799	face = blank_face;	798	face = blank_face;
		799	material = MATERIAL_NULL;
800	}	800	}
801		801
802	object::~object ()	802	object::~object ()
803	{	803	{
804	unlink ();	804	unlink ();
805		805
806	free_key_values (this);	806	kv.clear ();
807	}	807	}
808
809	static int object_count;
810		808
811	void object::link ()	809	void object::link ()
812	{	810	{
813	assert (!index);//D	811	assert (!index);//D
814	uuid = UUID::gen ();	812	uuid = UUID::gen ();
815	count = ++object_count;
816		813
817	refcnt_inc ();	814	refcnt_inc ();
818	objects.insert (this);	815	objects.insert (this);
		816
		817	++create_count;
		818
819	}	819	}
820		820
821	void object::unlink ()	821	void object::unlink ()
822	{	822	{
823	if (!index)	823	if (!index)
824	return;	824	return;
		825
		826	++destroy_count;
825		827
826	objects.erase (this);	828	objects.erase (this);
827	refcnt_dec ();	829	refcnt_dec ();
828	}	830	}
829		831
…		…
833	/* If already on active list, don't do anything */	835	/* If already on active list, don't do anything */
834	if (active)	836	if (active)
835	return;	837	return;
836		838
837	if (has_active_speed ())	839	if (has_active_speed ())
		840	{
		841	if (flag [FLAG_FREED])
		842	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		843
838	actives.insert (this);	844	actives.insert (this);
		845	}
839	}	846	}
840		847
841	void	848	void
842	object::activate_recursive ()	849	object::activate_recursive ()
843	{	850	{
…		…
847	op->activate_recursive ();	854	op->activate_recursive ();
848	}	855	}
849		856
850	/* This function removes object 'op' from the list of active	857	/* This function removes object 'op' from the list of active
851	* objects.	858	* objects.
852	* This should only be used for style maps or other such	859	* This should only be used for style maps or other such
853	* reference maps where you don't want an object that isn't	860	* reference maps where you don't want an object that isn't
854	* in play chewing up cpu time getting processed.	861	* in play chewing up cpu time getting processed.
855	* The reverse of this is to call update_ob_speed, which	862	* The reverse of this is to call update_ob_speed, which
856	* will do the right thing based on the speed of the object.	863	* will do the right thing based on the speed of the object.
857	*/	864	*/
…		…
903	* if some form of movement is allowed, let objects	910	* if some form of movement is allowed, let objects
904	* drop on that space.	911	* drop on that space.
905	*/	912	*/
906	if (!drop_to_ground	913	if (!drop_to_ground
907	|| !map	914	|| !map
908	|| map->in_memory != MAP_ACTIVE	915	|| !map->linkable ()
909	|| map->nodrop	916	|| map->no_drop
910	|| ms ().move_block == MOVE_ALL)	917	|| ms ().move_block == MOVE_ALL)
911	{	918	{
912	while (inv)	919	while (inv)
913	{
914	inv->destroy_inv (false);
915	inv->destroy ();	920	inv->destroy ();
916	}
917	}	921	}
918	else	922	else
919	{ /* Put objects in inventory onto this space */	923	{ /* Put objects in inventory onto this space */
920	while (inv)	924	while (inv)
921	{	925	{
…		…
925	|| op->flag [FLAG_NO_DROP]	929	|| op->flag [FLAG_NO_DROP]
926	|| op->type == RUNE	930	|| op->type == RUNE
927	|| op->type == TRAP	931	|| op->type == TRAP
928	|| op->flag [FLAG_IS_A_TEMPLATE]	932	|| op->flag [FLAG_IS_A_TEMPLATE]
929	|| op->flag [FLAG_DESTROY_ON_DEATH])	933	|| op->flag [FLAG_DESTROY_ON_DEATH])
930	op->destroy (true);	934	op->destroy ();
931	else	935	else
932	map->insert (op, x, y);	936	map->insert (op, x, y);
933	}	937	}
934	}	938	}
935	}	939	}
936		940
		941	/*
		942	* Remove and free all objects in the inventory of the given object.
		943	* Unlike destroy_inv, this assumes the *this is destroyed as well
		944	* well, so we can (and have to!) take shortcuts.
		945	*/
		946	void
		947	object::destroy_inv_fast ()
		948	{
		949	while (object *op = inv)
		950	{
		951	// remove from object the fast way
		952	op->flag [FLAG_REMOVED] = true;
		953	op->env = 0;
		954	if ((inv = inv->below))
		955	inv->above = 0;
		956
		957	// then destroy
		958	op->destroy ();
		959	}
		960	}
		961
		962	void
		963	object::freelist_free (int count)
		964	{
		965	while (count-- && freelist)
		966	{
		967	freelist_item *next = freelist->next;
		968	// count is being "destroyed"
		969
		970	sfree ((char *)freelist, sizeof (object));
		971
		972	freelist = next;
		973	--free_count;
		974	}
		975	}
		976
		977	object *
937	object *object::create ()	978	object::create ()
938	{	979	{
939	object *op = new object;	980	object *op;
		981
		982	if (freelist)
		983	{
		984	freelist_item li = *freelist;
		985	memset (freelist, 0, sizeof (object));
		986
		987	op = new (freelist) object;
		988	op->count = li.count;
		989
		990	freelist = li.next;
		991	--free_count;
		992	}
		993	else
		994	{
		995	void *ni = salloc0<char> (sizeof (object));
		996
		997	op = new(ni) object;
		998
		999	op->count = ++object_count;
		1000	}
		1001
940	op->link ();	1002	op->link ();
		1003
941	return op;	1004	return op;
942	}	1005	}
943		1006
944	static struct freed_map : maptile	1007	void
		1008	object::do_delete ()
945	{	1009	{
946	freed_map ()	1010	uint32_t count = this->count;
947	{
948	path = "<freed objects map>";
949	name = "/internal/freed_objects_map";
950	width = 3;
951	height = 3;
952	nodrop = 1;
953		1011
954	alloc ();	1012	this->~object ();
955	in_memory = MAP_ACTIVE;
956	}
957		1013
958	~freed_map ()	1014	freelist_item *li = (freelist_item *)this;
959	{	1015	li->next = freelist;
960	destroy ();	1016	li->count = count;
961	}	1017
962	} freed_map; // freed objects are moved here to avoid crashes	1018	freelist = li;
		1019	++free_count;
		1020	}
963		1021
964	void	1022	void
965	object::do_destroy ()	1023	object::do_destroy ()
966	{	1024	{
967	if (flag [FLAG_IS_LINKED])	1025	if (flag [FLAG_IS_LINKED])
968	remove_button_link (this);	1026	remove_link ();
969		1027
970	if (flag [FLAG_FRIENDLY])	1028	if (flag [FLAG_FRIENDLY])
971	remove_friendly_object (this);	1029	remove_friendly_object (this);
972		1030
973	remove ();	1031	remove ();
…		…
998	attacked_by = 0;	1056	attacked_by = 0;
999	current_weapon = 0;	1057	current_weapon = 0;
1000	}	1058	}
1001		1059
1002	void	1060	void
1003	object::destroy (bool destroy_inventory)	1061	object::destroy ()
1004	{	1062	{
1005	if (destroyed ())	1063	if (destroyed ())
1006	return;	1064	return;
1007		1065
1008	if (!is_head () && !head->destroyed ())	1066	if (!is_head () && !head->destroyed ())
1009	{	1067	{
1010	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");	1068	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
1011	head->destroy (destroy_inventory);	1069	head->destroy ();
1012	return;	1070	return;
1013	}	1071	}
1014		1072
1015	destroy_inv (!destroy_inventory);	1073	destroy_inv_fast ();
1016		1074
1017	if (is_head ())	1075	if (is_head ())
1018	if (sound_destroy)	1076	if (sound_destroy)
1019	play_sound (sound_destroy);	1077	play_sound (sound_destroy);
1020	else if (flag [FLAG_MONSTER])	1078	else if (flag [FLAG_MONSTER])
…		…
1031	* the previous environment.	1089	* the previous environment.
1032	*/	1090	*/
1033	void	1091	void
1034	object::do_remove ()	1092	object::do_remove ()
1035	{	1093	{
1036	object *tmp, *last = 0;
1037	object *otmp;
1038
1039	if (flag [FLAG_REMOVED])	1094	if (flag [FLAG_REMOVED])
1040	return;	1095	return;
1041		1096
1042	INVOKE_OBJECT (REMOVE, this);	1097	INVOKE_OBJECT (REMOVE, this);
1043		1098
1044	flag [FLAG_REMOVED] = true;	1099	flag [FLAG_REMOVED] = true;
1045		1100
1046	if (more)	1101	if (more)
1047	more->remove ();	1102	more->remove ();
1048		1103
1049	/*	1104	/*
1050	* In this case, the object to be removed is in someones	1105	* In this case, the object to be removed is in someones
1051	* inventory.	1106	* inventory.
1052	*/	1107	*/
1053	if (env)	1108	if (env)
1054	{	1109	{
1055	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed	1110	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1056	if (object *pl = visible_to ())	1111	if (object *pl = visible_to ())
1057	esrv_del_item (pl->contr, count);	1112	esrv_del_item (pl->contr, count);
1058	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed	1113	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1059		1114
1060	adjust_weight (env, -total_weight ());	1115	adjust_weight (env, total_weight (), 0);
1061		1116
1062	*(above ? &above->below : &env->inv) = below;	1117	object *pl = in_player ();
1063
1064	if (below)
1065	below->above = above;
1066		1118
1067	/* we set up values so that it could be inserted into	1119	/* we set up values so that it could be inserted into
1068	* the map, but we don't actually do that - it is up	1120	* the map, but we don't actually do that - it is up
1069	* to the caller to decide what we want to do.	1121	* to the caller to decide what we want to do.
1070	*/	1122	*/
1071	map = env->map;	1123	map = env->map;
1072	x = env->x;	1124	x = env->x;
1073	y = env->y;	1125	y = env->y;
		1126
		1127	// make sure cmov optimisation is applicable
		1128	*(above ? &above->below : &env->inv) = below;
		1129	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1130
1074	above = 0;	1131	above = 0;
1075	below = 0;	1132	below = 0;
1076	env = 0;	1133	env = 0;
1077		1134
1078	/* NO_FIX_PLAYER is set when a great many changes are being	1135	if (pl && pl->is_player ())
1079	* made to players inventory. If set, avoiding the call
1080	* to save cpu time.
1081	*/	1136	{
1082	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1137	if (ecb_expect_false (pl->contr->combat_ob == this))
1083	otmp->update_stats ();	1138	{
		1139	pl->apply (pl->contr->combat_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1140	pl->contr->combat_ob = 0;
		1141	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1142	}
		1143
		1144	if (ecb_expect_false (pl->contr->ranged_ob == this))
		1145	{
		1146	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1147	pl->contr->ranged_ob = 0;
		1148	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1149	}
		1150
		1151	pl->contr->queue_stats_update ();
		1152
		1153	if (ecb_expect_false (glow_radius) && pl->is_on_map ())
		1154	update_all_los (pl->map, pl->x, pl->y);
		1155	}
1084	}	1156	}
1085	else if (map)	1157	else if (map)
1086	{	1158	{
1087	map->dirty = true;	1159	map->dirty = true;
1088	mapspace &ms = this->ms ();	1160	mapspace &ms = this->ms ();
1089		1161
1090	if (object *pl = ms.player ())	1162	if (object *pl = ms.player ())
1091	{	1163	{
1092	if (type == PLAYER) // this == pl(!)	1164	if (is_player ())
1093	{	1165	{
		1166	if (!flag [FLAG_WIZPASS])
		1167	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1168
1094	// leaving a spot always closes any open container on the ground	1169	// leaving a spot always closes any open container on the ground
1095	if (container && !container->env)	1170	if (container && !container->env)
1096	// this causes spurious floorbox updates, but it ensures	1171	// this causes spurious floorbox updates, but it ensures
1097	// that the CLOSE event is being sent.	1172	// that the CLOSE event is being sent.
1098	close_container ();	1173	close_container ();
1099		1174
1100	--map->players;	1175	--map->players;
1101	map->touch ();	1176	map->touch ();
1102	}	1177	}
1103	else if (pl->container == this)	1178	else if (pl->container_ () == this)
1104	{	1179	{
1105	// removing a container should close it	1180	// removing a container should close it
1106	close_container ();	1181	close_container ();
1107	}	1182	}
1108		1183	else
1109	esrv_del_item (pl->contr, count);	1184	esrv_del_item (pl->contr, count);
1110	}	1185	}
1111		1186
1112	/* link the object above us */	1187	/* link the object above us */
1113	if (above)	1188	// re-link, make sure compiler can easily use cmove
1114	above->below = below;	1189	*(above ? &above->below : &ms.top) = below;
1115	else	1190	*(below ? &below->above : &ms.bot) = above;
1116	ms.top = below; /* we were top, set new top */
1117
1118	/* Relink the object below us, if there is one */
1119	if (below)
1120	below->above = above;
1121	else
1122	{
1123	/* Nothing below, which means we need to relink map object for this space
1124	* use translated coordinates in case some oddness with map tiling is
1125	* evident
1126	*/
1127	if (GET_MAP_OB (map, x, y) != this)
1128	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 ());
1129
1130	ms.bot = above; /* goes on above it. */
1131	}
1132		1191
1133	above = 0;	1192	above = 0;
1134	below = 0;	1193	below = 0;
1135		1194
1136	if (map->in_memory == MAP_SAVING)	1195	ms.invalidate ();
1137	return;
1138		1196
1139	int check_walk_off = !flag [FLAG_NO_APPLY];	1197	int check_walk_off = !flag [FLAG_NO_APPLY];
1140		1198
1141	if (object *pl = ms.player ())	1199	if (object *pl = ms.player ())
1142	{	1200	{
1143	if (pl->container == this)	1201	if (pl->container_ () == this)
1144	/* If a container that the player is currently using somehow gets	1202	/* If a container that the player is currently using somehow gets
1145	* removed (most likely destroyed), update the player view	1203	* removed (most likely destroyed), update the player view
1146	* appropriately.	1204	* appropriately.
1147	*/	1205	*/
1148	pl->close_container ();	1206	pl->close_container ();
…		…
1152	//TODO: update floorbox to preserve ordering	1210	//TODO: update floorbox to preserve ordering
1153	if (pl->contr->ns)	1211	if (pl->contr->ns)
1154	pl->contr->ns->floorbox_update ();	1212	pl->contr->ns->floorbox_update ();
1155	}	1213	}
1156		1214
		1215	if (check_walk_off)
1157	for (tmp = ms.bot; tmp; tmp = tmp->above)	1216	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1158	{	1217	{
		1218	above = tmp->above;
		1219
1159	/* No point updating the players look faces if he is the object	1220	/* No point updating the players look faces if he is the object
1160	* being removed.	1221	* being removed.
1161	*/	1222	*/
1162		1223
1163	/* See if object moving off should effect something */	1224	/* See if object moving off should effect something */
1164	if (check_walk_off
1165	&& ((move_type & tmp->move_off)	1225	if ((move_type & tmp->move_off)
1166	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1226	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1167	{
1168	move_apply (tmp, this, 0);	1227	move_apply (tmp, this, 0);
1169
1170	if (destroyed ())
1171	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1172	}	1228	}
1173		1229
1174	last = tmp;	1230	if (affects_los ())
1175	}
1176
1177	/* last == NULL if there are no objects on this space */
1178	//TODO: this makes little sense, why only update the topmost object?
1179	if (!last)
1180	map->at (x, y).flags_ = 0;
1181	else
1182	update_object (last, UP_OBJ_REMOVE);
1183
1184	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1185	update_all_los (map, x, y);	1231	update_all_los (map, x, y);
1186	}	1232	}
1187	}	1233	}
1188		1234
1189	/*	1235	/*
…		…
1213	esrv_update_item (UPD_NROF, pl, top);	1259	esrv_update_item (UPD_NROF, pl, top);
1214		1260
1215	op->weight = 0; // cancel the addition above	1261	op->weight = 0; // cancel the addition above
1216	op->carrying = 0; // must be 0 already	1262	op->carrying = 0; // must be 0 already
1217		1263
1218	op->destroy (1);	1264	op->destroy ();
1219		1265
1220	return top;	1266	return top;
1221	}	1267	}
1222		1268
1223	return 0;	1269	return 0;
…		…
1231		1277
1232	object *prev = this;	1278	object *prev = this;
1233		1279
1234	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1280	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1235	{	1281	{
1236	object *op = arch_to_object (at);	1282	object *op = at->instance ();
1237		1283
1238	op->name = name;	1284	op->name = name;
1239	op->name_pl = name_pl;	1285	op->name_pl = name_pl;
1240	op->title = title;	1286	op->title = title;
1241		1287
…		…
1251	* job preparing multi-part monsters.	1297	* job preparing multi-part monsters.
1252	*/	1298	*/
1253	object *	1299	object *
1254	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1300	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1255	{	1301	{
		1302	op->remove ();
		1303
1256	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1304	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1257	{	1305	{
1258	tmp->x = x + tmp->arch->x;	1306	tmp->x = x + tmp->arch->x;
1259	tmp->y = y + tmp->arch->y;	1307	tmp->y = y + tmp->arch->y;
1260	}	1308	}
…		…
1277	* Passing 0 for flag gives proper default values, so flag really only needs	1325	* Passing 0 for flag gives proper default values, so flag really only needs
1278	* to be set if special handling is needed.	1326	* to be set if special handling is needed.
1279	*	1327	*
1280	* Return value:	1328	* Return value:
1281	* new object if 'op' was merged with other object	1329	* new object if 'op' was merged with other object
1282	* NULL if 'op' was destroyed	1330	* NULL if there was an error (destroyed, blocked etc.)
1283	* just 'op' otherwise	1331	* just 'op' otherwise
1284	*/	1332	*/
1285	object *	1333	object *
1286	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1334	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1287	{	1335	{
1288	assert (!op->flag [FLAG_FREED]);
1289
1290	op->remove ();	1336	op->remove ();
		1337
		1338	if (m == &freed_map)//D TODO: remove soon
		1339	{//D
		1340	LOG (llevError | logBacktrace, "tries to insert object on freed objects map: %s", op->debug_desc ());//D
		1341	}//D
1291		1342
1292	/* Ideally, the caller figures this out. However, it complicates a lot	1343	/* Ideally, the caller figures this out. However, it complicates a lot
1293	* of areas of callers (eg, anything that uses find_free_spot would now	1344	* of areas of callers (eg, anything that uses find_free_spot would now
1294	* need extra work	1345	* need extra work
1295	*/	1346	*/
		1347	maptile *newmap = m;
1296	if (!xy_normalise (m, op->x, op->y))	1348	if (!xy_normalise (newmap, op->x, op->y))
1297	{	1349	{
1298	op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found	1350	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1299	return 0;	1351	return 0;
1300	}	1352	}
1301		1353
1302	if (object *more = op->more)	1354	if (object *more = op->more)
1303	if (!insert_ob_in_map (more, m, originator, flag))	1355	if (!insert_ob_in_map (more, m, originator, flag))
1304	return 0;	1356	return 0;
1305		1357
1306	CLEAR_FLAG (op, FLAG_REMOVED);	1358	op->flag [FLAG_REMOVED] = false;
1307		1359	op->env = 0;
1308	op->map = m;	1360	op->map = newmap;
		1361
1309	mapspace &ms = op->ms ();	1362	mapspace &ms = op->ms ();
1310		1363
1311	/* this has to be done after we translate the coordinates.	1364	/* this has to be done after we translate the coordinates.
1312	*/	1365	*/
1313	if (op->nrof && !(flag & INS_NO_MERGE))	1366	if (op->nrof && !(flag & INS_NO_MERGE))
1314	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1367	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1315	if (object::can_merge (op, tmp))	1368	if (object::can_merge (op, tmp))
1316	{	1369	{
1317	// TODO: we atcually want to update tmp, not op,	1370	// TODO: we actually want to update tmp, not op,
1318	// but some caller surely breaks when we return tmp	1371	// but some caller surely breaks when we return tmp
1319	// from here :/	1372	// from here :/
1320	op->nrof += tmp->nrof;	1373	op->nrof += tmp->nrof;
1321	tmp->destroy (1);	1374	tmp->destroy ();
1322	}	1375	}
1323		1376
1324	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1377	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1325	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1378	op->clr_flag (FLAG_INV_LOCKED);
1326		1379
1327	if (!QUERY_FLAG (op, FLAG_ALIVE))	1380	if (!op->flag [FLAG_ALIVE])
1328	CLEAR_FLAG (op, FLAG_NO_STEAL);	1381	op->clr_flag (FLAG_NO_STEAL);
1329		1382
1330	if (flag & INS_BELOW_ORIGINATOR)	1383	if (flag & INS_BELOW_ORIGINATOR)
1331	{	1384	{
1332	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1385	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1333	{	1386	{
1334	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1387	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1335	abort ();	1388	abort ();
1336	}	1389	}
1337		1390
		1391	if (!originator->is_on_map ())
		1392	{
		1393	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1394	op->debug_desc (), originator->debug_desc ());
		1395	abort ();
		1396	}
		1397
1338	op->above = originator;	1398	op->above = originator;
1339	op->below = originator->below;	1399	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;	1400	originator->below = op;
		1401
		1402	*(op->below ? &op->below->above : &ms.bot) = op;
1348	}	1403	}
1349	else	1404	else
1350	{	1405	{
1351	object *top, *floor = NULL;	1406	object *floor = 0;
1352		1407	object *top = ms.top;
1353	top = ms.bot;
1354		1408
1355	/* If there are other objects, then */	1409	/* If there are other objects, then */
1356	if (top)	1410	if (top)
1357	{	1411	{
1358	object *last = 0;
1359
1360	/*	1412	/*
1361	* If there are multiple objects on this space, we do some trickier handling.	1413	* If there are multiple objects on this space, we do some trickier handling.
1362	* We've already dealt with merging if appropriate.	1414	* We've already dealt with merging if appropriate.
1363	* Generally, we want to put the new object on top. But if	1415	* Generally, we want to put the new object on top. But if
1364	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1416	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
1365	* floor, we want to insert above that and no further.	1417	* floor, we want to insert above that and no further.
1366	* Also, if there are spell objects on this space, we stop processing	1418	* Also, if there are spell objects on this space, we stop processing
1367	* once we get to them. This reduces the need to traverse over all of	1419	* once we get to them. This reduces the need to traverse over all of
1368	* them when adding another one - this saves quite a bit of cpu time	1420	* them when adding another one - this saves quite a bit of cpu time
1369	* when lots of spells are cast in one area. Currently, it is presumed	1421	* when lots of spells are cast in one area. Currently, it is presumed
1370	* that flying non pickable objects are spell objects.	1422	* that flying non pickable objects are spell objects.
1371	*/	1423	*/
1372	for (top = ms.bot; top; top = top->above)	1424	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1373	{	1425	{
1374	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1426	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1375	floor = top;	1427	floor = tmp;
1376		1428
1377	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1429	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1378	{	1430	{
1379	/* We insert above top, so we want this object below this */	1431	/* We insert above top, so we want this object below this */
1380	top = top->below;	1432	top = tmp->below;
1381	break;	1433	break;
1382	}	1434	}
1383		1435
1384	last = top;	1436	top = tmp;
1385	}	1437	}
1386
1387	/* Don't want top to be NULL, so set it to the last valid object */
1388	top = last;
1389		1438
1390	/* We let update_position deal with figuring out what the space	1439	/* We let update_position deal with figuring out what the space
1391	* looks like instead of lots of conditions here.	1440	* looks like instead of lots of conditions here.
1392	* makes things faster, and effectively the same result.	1441	* makes things faster, and effectively the same result.
1393	*/	1442	*/
…		…
1400	*/	1449	*/
1401	if (!(flag & INS_ON_TOP)	1450	if (!(flag & INS_ON_TOP)
1402	&& ms.flags () & P_BLOCKSVIEW	1451	&& ms.flags () & P_BLOCKSVIEW
1403	&& (op->face && !faces [op->face].visibility))	1452	&& (op->face && !faces [op->face].visibility))
1404	{	1453	{
		1454	object *last;
		1455
1405	for (last = top; last != floor; last = last->below)	1456	for (last = top; last != floor; last = last->below)
1406	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1457	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1407	break;	1458	break;
1408		1459
1409	/* Check to see if we found the object that blocks view,	1460	/* Check to see if we found the object that blocks view,
1410	* and make sure we have a below pointer for it so that	1461	* and make sure we have a below pointer for it so that
1411	* we can get inserted below this one, which requires we	1462	* we can get inserted below this one, which requires we
…		…
1417	} /* If objects on this space */	1468	} /* If objects on this space */
1418		1469
1419	if (flag & INS_ABOVE_FLOOR_ONLY)	1470	if (flag & INS_ABOVE_FLOOR_ONLY)
1420	top = floor;	1471	top = floor;
1421		1472
1422	/* Top is the object that our object (op) is going to get inserted above.	1473	// insert object above top, or bottom-most if top = 0
1423	*/
1424
1425	/* First object on this space */
1426	if (!top)	1474	if (!top)
1427	{	1475	{
		1476	op->below = 0;
1428	op->above = ms.bot;	1477	op->above = ms.bot;
1429
1430	if (op->above)
1431	op->above->below = op;
1432
1433	op->below = 0;
1434	ms.bot = op;	1478	ms.bot = op;
		1479
		1480	*(op->above ? &op->above->below : &ms.top) = op;
1435	}	1481	}
1436	else	1482	else
1437	{ /* get inserted into the stack above top */	1483	{
1438	op->above = top->above;	1484	op->above = top->above;
1439
1440	if (op->above)
1441	op->above->below = op;	1485	top->above = op;
1442		1486
1443	op->below = top;	1487	op->below = top;
1444	top->above = op;	1488	*(op->above ? &op->above->below : &ms.top) = op;
1445	}	1489	}
		1490	}
1446		1491
1447	if (!op->above)	1492	if (op->is_player ())
1448	ms.top = op;
1449	} /* else not INS_BELOW_ORIGINATOR */
1450
1451	if (op->type == PLAYER)
1452	{	1493	{
1453	op->contr->do_los = 1;	1494	op->contr->do_los = 1;
1454	++op->map->players;	1495	++op->map->players;
1455	op->map->touch ();	1496	op->map->touch ();
1456	}	1497	}
…		…
1471	* be far away from this change and not affected in any way -	1512	* be far away from this change and not affected in any way -
1472	* this should get redone to only look for players within range,	1513	* this should get redone to only look for players within range,
1473	* or just updating the P_UPTODATE for spaces within this area	1514	* or just updating the P_UPTODATE for spaces within this area
1474	* of effect may be sufficient.	1515	* of effect may be sufficient.
1475	*/	1516	*/
1476	if (op->map->darkness && (op->glow_radius != 0))	1517	if (op->affects_los ())
		1518	{
		1519	op->ms ().invalidate ();
1477	update_all_los (op->map, op->x, op->y);	1520	update_all_los (op->map, op->x, op->y);
		1521	}
1478		1522
1479	/* updates flags (blocked, alive, no magic, etc) for this map space */	1523	/* updates flags (blocked, alive, no magic, etc) for this map space */
1480	update_object (op, UP_OBJ_INSERT);	1524	update_object (op, UP_OBJ_INSERT);
1481		1525
1482	INVOKE_OBJECT (INSERT, op);	1526	INVOKE_OBJECT (INSERT, op);
…		…
1489	* blocked() and wall() work properly), and these flags are updated by	1533	* blocked() and wall() work properly), and these flags are updated by
1490	* update_object().	1534	* update_object().
1491	*/	1535	*/
1492		1536
1493	/* if this is not the head or flag has been passed, don't check walk on status */	1537	/* if this is not the head or flag has been passed, don't check walk on status */
1494	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1538	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1495	{	1539	{
1496	if (check_move_on (op, originator))	1540	if (check_move_on (op, originator, flag))
1497	return 0;	1541	return 0;
1498		1542
1499	/* If we are a multi part object, lets work our way through the check	1543	/* If we are a multi part object, let's work our way through the check
1500	* walk on's.	1544	* walk on's.
1501	*/	1545	*/
1502	for (object *tmp = op->more; tmp; tmp = tmp->more)	1546	for (object *tmp = op->more; tmp; tmp = tmp->more)
1503	if (check_move_on (tmp, originator))	1547	if (check_move_on (tmp, originator, flag))
1504	return 0;	1548	return 0;
1505	}	1549	}
1506		1550
1507	return op;	1551	return op;
1508	}	1552	}
1509		1553
1510	/* this function inserts an object in the map, but if it	1554	/* this function inserts an object in the map, but if it
1511	* finds an object of its own type, it'll remove that one first.	1555	* finds an object of its own type, it'll remove that one first.
1512	* op is the object to insert it under: supplies x and the map.	1556	* op is the object to insert it under: supplies x and the map.
1513	*/	1557	*/
1514	void	1558	void
1515	replace_insert_ob_in_map (const char *arch_string, object *op)	1559	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1516	{	1560	{
1517	/* first search for itself and remove any old instances */	1561	/* first search for itself and remove any old instances */
1518		1562
1519	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)	1563	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1520	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1564	if (tmp->arch->archname == archname) /* same archetype */
1521	tmp->destroy (1);	1565	tmp->destroy ();
1522		1566
1523	object *tmp = arch_to_object (archetype::find (arch_string));	1567	object *tmp = archetype::find (archname)->instance ();
1524		1568
1525	tmp->x = op->x;	1569	tmp->x = op->x;
1526	tmp->y = op->y;	1570	tmp->y = op->y;
1527		1571
1528	insert_ob_in_map (tmp, op->map, op, 0);	1572	insert_ob_in_map (tmp, op->map, op, 0);
…		…
1533	{	1577	{
1534	if (where->env)	1578	if (where->env)
1535	return where->env->insert (this);	1579	return where->env->insert (this);
1536	else	1580	else
1537	return where->map->insert (this, where->x, where->y, originator, flags);	1581	return where->map->insert (this, where->x, where->y, originator, flags);
		1582	}
		1583
		1584	// check whether we can put this into the map, respect max_volume, max_items
		1585	bool
		1586	object::can_drop_at (maptile *m, int x, int y, object *originator)
		1587	{
		1588	mapspace &ms = m->at (x, y);
		1589
		1590	int items = ms.items ();
		1591
		1592	if (!items // testing !items ensures we can drop at least one item
		1593	|| (items < m->max_items
		1594	&& ms.volume () < m->max_volume))
		1595	return true;
		1596
		1597	if (originator)
		1598	originator->failmsgf (
		1599	"No matter how hard you try, you just cannot put the %s here! H<Try to remove some items from the floor first.>",
		1600	query_name ()
		1601	);
		1602
		1603	return false;
1538	}	1604	}
1539		1605
1540	/*	1606	/*
1541	* decrease(object, number) decreases a specified number from	1607	* decrease(object, number) decreases a specified number from
1542	* the amount of an object. If the amount reaches 0, the object	1608	* the amount of an object. If the amount reaches 0, the object
…		…
1550	if (!nr)	1616	if (!nr)
1551	return true;	1617	return true;
1552		1618
1553	nr = min (nr, nrof);	1619	nr = min (nr, nrof);
1554		1620
		1621	if (nrof > nr)
		1622	{
		1623	weight_t oweight = total_weight ();
		1624
1555	nrof -= nr;	1625	nrof -= nr;
1556
1557	if (nrof)
1558	{
1559	adjust_weight (env, -weight * nr); // carrying == 0
1560		1626
1561	if (object *pl = visible_to ())	1627	if (object *pl = visible_to ())
1562	esrv_update_item (UPD_NROF, pl, this);	1628	esrv_update_item (UPD_NROF, pl, this);
1563		1629
		1630	adjust_weight (env, oweight, total_weight ());
		1631
1564	return true;	1632	return true;
1565	}	1633	}
1566	else	1634	else
1567	{	1635	{
1568	destroy (1);	1636	destroy ();
1569	return false;	1637	return false;
1570	}	1638	}
1571	}	1639	}
1572		1640
1573	/*	1641	/*
…		…
1621	/*	1689	/*
1622	* env->insert (op)	1690	* env->insert (op)
1623	* This function inserts the object op in the linked list	1691	* This function inserts the object op in the linked list
1624	* inside the object environment.	1692	* inside the object environment.
1625	*	1693	*
1626	* The function returns now pointer to inserted item, and return value can	1694	* The function returns now pointer to inserted item, and return value can
1627	* be != op, if items are merged. -Tero	1695	* be != op, if items are merged. -Tero
1628	*/	1696	*/
1629	object *	1697	object *
1630	object::insert (object *op)	1698	object::insert (object *op)
1631	{	1699	{
…		…
1642	if (op->nrof)	1710	if (op->nrof)
1643	for (object *tmp = inv; tmp; tmp = tmp->below)	1711	for (object *tmp = inv; tmp; tmp = tmp->below)
1644	if (object::can_merge (tmp, op))	1712	if (object::can_merge (tmp, op))
1645	{	1713	{
1646	/* return the original object and remove inserted object	1714	/* return the original object and remove inserted object
1647	(client needs the original object) */	1715	(client prefers the original object) */
		1716
		1717	// carrying must be 0 for mergable objects
		1718	weight_t oweight = weight_t (tmp->weight) * tmp->nrof;
		1719
1648	tmp->nrof += op->nrof;	1720	tmp->nrof += op->nrof;
1649		1721
1650	if (object *pl = tmp->visible_to ())	1722	if (object *pl = tmp->visible_to ())
1651	esrv_update_item (UPD_NROF, pl, tmp);	1723	esrv_update_item (UPD_NROF, pl, tmp);
1652		1724
1653	adjust_weight (this, op->total_weight ());	1725	adjust_weight (this, oweight, weight_t (tmp->weight) * tmp->nrof);
1654		1726
1655	op->destroy (1);	1727	op->destroy ();
1656	op = tmp;	1728	op = tmp;
1657	goto inserted;	1729	goto inserted;
1658	}	1730	}
1659		1731
1660	op->owner = 0; // it's his/hers now. period.	1732	op->owner = 0; // it's his/hers now. period.
…		…
1674	op->flag [FLAG_REMOVED] = 0;	1746	op->flag [FLAG_REMOVED] = 0;
1675		1747
1676	if (object *pl = op->visible_to ())	1748	if (object *pl = op->visible_to ())
1677	esrv_send_item (pl, op);	1749	esrv_send_item (pl, op);
1678		1750
1679	adjust_weight (this, op->total_weight ());	1751	adjust_weight (this, 0, op->total_weight ());
1680		1752
1681	inserted:	1753	inserted:
1682	/* reset the light list and los of the players on the map */	1754	/* reset the light list and los of the players on the map */
1683	if (op->glow_radius && map && map->darkness)	1755	if (op->glow_radius && is_on_map ())
		1756	{
		1757	update_stats ();
1684	update_all_los (map, x, y);	1758	update_all_los (map, x, y);
1685		1759	}
		1760	else if (is_player ())
1686	// if this is a player's inventory, update stats	1761	// if this is a player's inventory, update stats
1687	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])	1762	contr->queue_stats_update ();
1688	update_stats ();
1689		1763
1690	INVOKE_OBJECT (INSERT, this);	1764	INVOKE_OBJECT (INSERT, this);
1691		1765
1692	return op;	1766	return op;
1693	}	1767	}
…		…
1711	* MSW 2001-07-08: Check all objects on space, not just those below	1785	* MSW 2001-07-08: Check all objects on space, not just those below
1712	* object being inserted. insert_ob_in_map may not put new objects	1786	* object being inserted. insert_ob_in_map may not put new objects
1713	* on top.	1787	* on top.
1714	*/	1788	*/
1715	int	1789	int
1716	check_move_on (object *op, object *originator)	1790	check_move_on (object *op, object *originator, int flags)
1717	{	1791	{
		1792	if (op->flag [FLAG_NO_APPLY])
		1793	return 0;
		1794
1718	object *tmp;	1795	object *tmp;
1719	maptile *m = op->map;	1796	maptile *m = op->map;
1720	int x = op->x, y = op->y;	1797	int x = op->x, y = op->y;
1721		1798
1722	MoveType move_on, move_slow, move_block;	1799	mapspace &ms = m->at (x, y);
1723		1800
1724	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1801	ms.update ();
1725	return 0;
1726		1802
1727	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1803	MoveType move_on = ms.move_on;
1728	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1804	MoveType move_slow = ms.move_slow;
1729	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1805	MoveType move_block = ms.move_block;
1730		1806
1731	/* if nothing on this space will slow op down or be applied,	1807	/* if nothing on this space will slow op down or be applied,
1732	* no need to do checking below. have to make sure move_type	1808	* no need to do checking below. have to make sure move_type
1733	* is set, as lots of objects don't have it set - we treat that	1809	* is set, as lots of objects don't have it set - we treat that
1734	* as walking.	1810	* as walking.
…		…
1743	*/	1819	*/
1744	if ((op->move_type & ~move_on & ~move_block) != 0 && (op->move_type & ~move_slow & ~move_block) != 0)	1820	if ((op->move_type & ~move_on & ~move_block) != 0 && (op->move_type & ~move_slow & ~move_block) != 0)
1745	return 0;	1821	return 0;
1746		1822
1747	/* The objects have to be checked from top to bottom.	1823	/* The objects have to be checked from top to bottom.
1748	* Hence, we first go to the top:	1824	* Hence, we first go to the top:
1749	*/	1825	*/
1750		1826	for (object *next, *tmp = ms.top; tmp; tmp = next)
1751	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1752	{
1753	/* Trim the search when we find the first other spell effect
1754	* this helps performance so that if a space has 50 spell objects,
1755	* we don't need to check all of them.
1756	*/
1757	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1758	break;
1759	}	1827	{
		1828	next = tmp->below;
1760		1829
1761	for (; tmp; tmp = tmp->below)
1762	{
1763	if (tmp == op)	1830	if (tmp == op)
1764	continue; /* Can't apply yourself */	1831	continue; /* Can't apply yourself */
1765		1832
1766	/* Check to see if one of the movement types should be slowed down.	1833	/* Check to see if one of the movement types should be slowed down.
1767	* Second check makes sure that the movement types not being slowed	1834	* Second check makes sure that the movement types not being slowed
1768	* (~slow_move) is not blocked on this space - just because the	1835	* (~slow_move) is not blocked on this space - just because the
1769	* space doesn't slow down swimming (for example), if you can't actually	1836	* space doesn't slow down swimming (for example), if you can't actually
1770	* swim on that space, can't use it to avoid the penalty.	1837	* swim on that space, can't use it to avoid the penalty.
1771	*/	1838	*/
1772	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1839	if (!op->flag [FLAG_WIZPASS])
1773	{	1840	{
1774	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1841	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1775	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1842	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1776	{	1843	{
1777
1778	float
1779	diff = tmp->move_slow_penalty * fabs (op->speed);	1844	float diff = tmp->move_slow_penalty * fabs (op->speed);
1780		1845
1781	if (op->type == PLAYER)	1846	if (op->is_player ())
1782	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1847	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1783	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1848	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1784	diff /= 4.0;	1849	diff /= 4.0;
1785		1850
1786	op->speed_left -= diff;	1851	op->speed_left -= diff;
1787	}	1852	}
1788	}	1853	}
1789		1854
1790	/* Basically same logic as above, except now for actual apply. */	1855	/* Basically same logic as above, except now for actual apply. */
1791	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1856	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1792	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1857	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1793	{	1858	{
		1859	if ((flags & INS_NO_AUTO_EXIT)
		1860	&& (tmp->type == EXIT || tmp->type == TELEPORTER
		1861	|| tmp->type == HOLE || tmp->type == TRAPDOOR)) //TODO: temporary, fix exits instead
		1862	continue;
		1863
1794	move_apply (tmp, op, originator);	1864	move_apply (tmp, op, originator);
1795		1865
1796	if (op->destroyed ())	1866	if (op->destroyed ())
1797	return 1;	1867	return 1;
1798		1868
…		…
1910	void	1980	void
1911	flag_inv (object *op, int flag)	1981	flag_inv (object *op, int flag)
1912	{	1982	{
1913	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1983	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1914	{	1984	{
1915	SET_FLAG (tmp, flag);	1985	tmp->set_flag (flag);
1916	flag_inv (tmp, flag);	1986	flag_inv (tmp, flag);
1917	}	1987	}
1918	}	1988	}
1919		1989
1920	/*	1990	/*
…		…
1923	void	1993	void
1924	unflag_inv (object *op, int flag)	1994	unflag_inv (object *op, int flag)
1925	{	1995	{
1926	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1996	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1927	{	1997	{
1928	CLEAR_FLAG (tmp, flag);	1998	tmp->clr_flag (flag);
1929	unflag_inv (tmp, flag);	1999	unflag_inv (tmp, flag);
1930	}	2000	}
1931	}	2001	}
1932		2002
1933	/*	2003	/*
…		…
1943	* inform the caller. However, insert_ob_in_map will update as	2013	* inform the caller. However, insert_ob_in_map will update as
1944	* necessary, so the caller shouldn't need to do any special work.	2014	* necessary, so the caller shouldn't need to do any special work.
1945	* Note - updated to take an object instead of archetype - this is necessary	2015	* Note - updated to take an object instead of archetype - this is necessary
1946	* because arch_blocked (now ob_blocked) needs to know the movement type	2016	* because arch_blocked (now ob_blocked) needs to know the movement type
1947	* to know if the space in question will block the object. We can't use	2017	* to know if the space in question will block the object. We can't use
1948	* the archetype because that isn't correct if the monster has been	2018	* the archetype because that isn't correct if the monster has been
1949	* customized, changed states, etc.	2019	* customized, changed states, etc.
1950	*/	2020	*/
1951	int	2021	int
1952	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2022	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1953	{	2023	{
1954	int altern[SIZEOFFREE];	2024	int altern[SIZEOFFREE];
1955	int index = 0, flag;	2025	int index = 0;
1956		2026
1957	for (int i = start; i < stop; i++)	2027	for (int i = start; i < stop; i++)
1958	{	2028	{
1959	mapxy pos (m, x, y); pos.move (i);	2029	mapxy pos (m, x, y); pos.move (i);
1960		2030
…		…
1976	continue;	2046	continue;
1977	}	2047	}
1978		2048
1979	/* Basically, if we find a wall on a space, we cut down the search size.	2049	/* Basically, if we find a wall on a space, we cut down the search size.
1980	* In this way, we won't return spaces that are on another side of a wall.	2050	* In this way, we won't return spaces that are on another side of a wall.
1981	* This mostly work, but it cuts down the search size in all directions -	2051	* This mostly work, but it cuts down the search size in all directions -
1982	* if the space being examined only has a wall to the north and empty	2052	* if the space being examined only has a wall to the north and empty
1983	* spaces in all the other directions, this will reduce the search space	2053	* spaces in all the other directions, this will reduce the search space
1984	* to only the spaces immediately surrounding the target area, and	2054	* to only the spaces immediately surrounding the target area, and
1985	* won't look 2 spaces south of the target space.	2055	* won't look 2 spaces south of the target space.
1986	*/	2056	*/
…		…
1994	* head of the object should correspond for the entire object.	2064	* head of the object should correspond for the entire object.
1995	*/	2065	*/
1996	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	2066	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
1997	continue;	2067	continue;
1998		2068
1999	if (ob->blocked (m, pos.x, pos.y))	2069	if (ob->blocked (pos.m, pos.x, pos.y))
2000	continue;	2070	continue;
2001		2071
2002	altern [index++] = i;	2072	altern [index++] = i;
2003	}	2073	}
2004		2074
…		…
2016	*/	2086	*/
2017	int	2087	int
2018	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2088	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2019	{	2089	{
2020	for (int i = 0; i < SIZEOFFREE; i++)	2090	for (int i = 0; i < SIZEOFFREE; i++)
2021	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))	2091	if (!ob->blocked (m, x + DIRX (i), y + DIRY (i)))
2022	return i;	2092	return i;
2023		2093
2024	return -1;	2094	return -1;
2025	}	2095	}
2026		2096
…		…
2037		2107
2038	while (--end)	2108	while (--end)
2039	swap (arr [end], arr [rndm (end + 1)]);	2109	swap (arr [end], arr [rndm (end + 1)]);
2040	}	2110	}
2041		2111
2042	/* new function to make monster searching more efficient, and effective!	2112	/* new function to make monster searching more efficient, and effective!
2043	* This basically returns a randomized array (in the passed pointer) of	2113	* This basically returns a randomized array (in the passed pointer) of
2044	* the spaces to find monsters. In this way, it won't always look for	2114	* the spaces to find monsters. In this way, it won't always look for
2045	* monsters to the north first. However, the size of the array passed	2115	* monsters to the north first. However, the size of the array passed
2046	* covers all the spaces, so within that size, all the spaces within	2116	* covers all the spaces, so within that size, all the spaces within
2047	* the 3x3 area will be searched, just not in a predictable order.	2117	* the 3x3 area will be searched, just not in a predictable order.
…		…
2072	* there is capable of.	2142	* there is capable of.
2073	*/	2143	*/
2074	int	2144	int
2075	find_dir (maptile *m, int x, int y, object *exclude)	2145	find_dir (maptile *m, int x, int y, object *exclude)
2076	{	2146	{
2077	int i, max = SIZEOFFREE, mflags;	2147	int max = SIZEOFFREE;
2078
2079	sint16 nx, ny;
2080	object *tmp;
2081	maptile *mp;
2082
2083	MoveType blocked, move_type;	2148	MoveType move_type;
2084		2149
2085	if (exclude && exclude->head_ () != exclude)	2150	if (exclude && exclude->head_ () != exclude)
2086	{	2151	{
2087	exclude = exclude->head;	2152	exclude = exclude->head;
2088	move_type = exclude->move_type;	2153	move_type = exclude->move_type;
…		…
2091	{	2156	{
2092	/* If we don't have anything, presume it can use all movement types. */	2157	/* If we don't have anything, presume it can use all movement types. */
2093	move_type = MOVE_ALL;	2158	move_type = MOVE_ALL;
2094	}	2159	}
2095		2160
2096	for (i = 1; i < max; i++)	2161	for (int i = 1; i < max; i++)
2097	{	2162	{
2098	mp = m;	2163	mapxy pos (m, x, y);
2099	nx = x + freearr_x[i];	2164	pos.move (i);
2100	ny = y + freearr_y[i];
2101		2165
2102	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2166	if (!pos.normalise ())
2103
2104	if (mflags & P_OUT_OF_MAP)
2105	max = maxfree[i];	2167	max = maxfree[i];
2106	else	2168	else
2107	{	2169	{
2108	mapspace &ms = mp->at (nx, ny);	2170	mapspace &ms = *pos;
2109		2171
2110	blocked = ms.move_block;
2111
2112	if ((move_type & blocked) == move_type)	2172	if ((move_type & ms.move_block) == move_type)
2113	max = maxfree[i];	2173	max = maxfree [i];
2114	else if (mflags & P_IS_ALIVE)	2174	else if (ms.flags () & P_IS_ALIVE)
2115	{	2175	{
2116	for (tmp = ms.bot; tmp; tmp = tmp->above)	2176	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2117	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2177	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2118	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2178	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2119	break;
2120
2121	if (tmp)
2122	return freedir[i];	2179	return freedir [i];
2123	}	2180	}
2124	}	2181	}
2125	}	2182	}
2126		2183
2127	return 0;	2184	return 0;
…		…
2136	{	2193	{
2137	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2194	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2138	}	2195	}
2139		2196
2140	/*	2197	/*
2141	* find_dir_2(delta-x,delta-y) will return a direction in which	2198	* find_dir_2(delta-x,delta-y) will return a direction value
2142	* an object which has subtracted the x and y coordinates of another	2199	* for running into direct [dx, dy].
2143	* object, needs to travel toward it.	2200	* (the opposite of crossfire's find_dir_2!)
2144	*/	2201	*/
2145	int	2202	int
2146	find_dir_2 (int x, int y)	2203	find_dir_2 (int x, int y)
2147	{	2204	{
		2205	#if 1 // new algorithm
		2206	// this works by putting x, y into 16 sectors, which
		2207	// are not equal sized, but are a better approximation
		2208	// then the old algorithm, and then using a mapping
		2209	// table to map it into a direction value.
		2210	// basically, it maps these comparisons to each bit
		2211	// bit #3: x < 0
		2212	// bit #2: y < 0
		2213	// bit #1: x > y
		2214	// bit #0: x > 2y
		2215
		2216	static const uint8 dir[16] = {
		2217	4, 5, 4, 3,
		2218	2, 1, 2, 3,
		2219	6, 5, 6, 7,
		2220	8, 1, 8, 7,
		2221	};
		2222	int sector = 0;
		2223
		2224	// this is a bit ugly, but more likely to result in branchless code
		2225	sector |= x < 0 ? 8 : 0;
		2226	x = x < 0 ? -x : x; // abs
		2227
		2228	sector |= y < 0 ? 4 : 0;
		2229	y = y < 0 ? -y : y; // abs
		2230
		2231	if (x > y)
		2232	{
		2233	sector |= 2;
		2234
		2235	if (x > y * 2)
		2236	sector |= 1;
		2237	}
		2238	else
		2239	{
		2240	if (y > x * 2)
		2241	sector |= 1;
		2242	else if (!y)
		2243	return 0; // x == 0 here
		2244	}
		2245
		2246	return dir [sector];
		2247	#else // old algorithm
2148	int q;	2248	int q;
2149		2249
2150	if (y)	2250	if (y)
2151	q = x * 100 / y;	2251	q = 128 * x / y;
2152	else if (x)	2252	else if (x)
2153	q = -300 * x;	2253	q = -512 * x; // to make it > 309
2154	else	2254	else
2155	return 0;	2255	return 0;
2156		2256
2157	if (y > 0)	2257	if (y > 0)
2158	{	2258	{
2159	if (q < -242)	2259	if (q < -309) return 7;
		2260	if (q < -52) return 6;
		2261	if (q < 52) return 5;
		2262	if (q < 309) return 4;
		2263
2160	return 3;	2264	return 3;
2161	if (q < -41)	2265	}
2162	return 2;	2266	else
2163	if (q < 41)	2267	{
2164	return 1;	2268	if (q < -309) return 3;
2165	if (q < 242)	2269	if (q < -52) return 2;
2166	return 8;	2270	if (q < 52) return 1;
		2271	if (q < 309) return 8;
		2272
2167	return 7;	2273	return 7;
2168	}	2274	}
2169		2275	#endif
2170	if (q < -242)
2171	return 7;
2172	if (q < -41)
2173	return 6;
2174	if (q < 41)
2175	return 5;
2176	if (q < 242)
2177	return 4;
2178
2179	return 3;
2180	}	2276	}
2181		2277
2182	/*	2278	/*
2183	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2279	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2184	* between two directions (which are expected to be absolute (see absdir())	2280	* between two directions (which are expected to be absolute (see absdir())
2185	*/	2281	*/
2186	int	2282	int
2187	dirdiff (int dir1, int dir2)	2283	dirdiff (int dir1, int dir2)
2188	{	2284	{
2189	int d;
2190
2191	d = abs (dir1 - dir2);	2285	int d = abs (dir1 - dir2);
2192	if (d > 4)
2193	d = 8 - d;
2194		2286
2195	return d;	2287	return d > 4 ? 8 - d : d;
2196	}	2288	}
2197		2289
2198	/* peterm:	2290	/* peterm:
2199	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2291	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2200	* Basically, this is a table of directions, and what directions	2292	* Basically, this is a table of directions, and what directions
…		…
2202	* This basically means that if direction is 15, then it could either go	2294	* This basically means that if direction is 15, then it could either go
2203	* direction 4, 14, or 16 to get back to where we are.	2295	* direction 4, 14, or 16 to get back to where we are.
2204	* Moved from spell_util.c to object.c with the other related direction	2296	* Moved from spell_util.c to object.c with the other related direction
2205	* functions.	2297	* functions.
2206	*/	2298	*/
2207	int reduction_dir[SIZEOFFREE][3] = {	2299	static const int reduction_dir[SIZEOFFREE][3] = {
2208	{0, 0, 0}, /* 0 */	2300	{0, 0, 0}, /* 0 */
2209	{0, 0, 0}, /* 1 */	2301	{0, 0, 0}, /* 1 */
2210	{0, 0, 0}, /* 2 */	2302	{0, 0, 0}, /* 2 */
2211	{0, 0, 0}, /* 3 */	2303	{0, 0, 0}, /* 3 */
2212	{0, 0, 0}, /* 4 */	2304	{0, 0, 0}, /* 4 */
…		…
2269	int mflags;	2361	int mflags;
2270		2362
2271	if (dir < 0)	2363	if (dir < 0)
2272	return 0; /* exit condition: invalid direction */	2364	return 0; /* exit condition: invalid direction */
2273		2365
2274	dx = x + freearr_x[dir];	2366	dx = x + DIRX (dir);
2275	dy = y + freearr_y[dir];	2367	dy = y + DIRY (dir);
2276		2368
2277	mflags = get_map_flags (m, &m, dx, dy, &dx, &dy);	2369	mflags = get_map_flags (m, &m, dx, dy, &dx, &dy);
2278		2370
2279	/* This functional arguably was incorrect before - it was	2371	/* This functional arguably was incorrect before - it was
2280	* checking for P_WALL - that was basically seeing if	2372	* checking for P_WALL - that was basically seeing if
…		…
2306	* Add a check so we can't pick up invisible objects (0.93.8)	2398	* Add a check so we can't pick up invisible objects (0.93.8)
2307	*/	2399	*/
2308	int	2400	int
2309	can_pick (const object *who, const object *item)	2401	can_pick (const object *who, const object *item)
2310	{	2402	{
2311	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2403	return /*who->flag [FLAG_WIZ]|| */
2312	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2404	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2313	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2405	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2314	}	2406	}
		2407
		2408	//-GPL
2315		2409
2316	/*	2410	/*
2317	* create clone from object to another	2411	* create clone from object to another
2318	*/	2412	*/
2319	object *	2413	object *
…		…
2350	return tmp;	2444	return tmp;
2351		2445
2352	return 0;	2446	return 0;
2353	}	2447	}
2354		2448
2355	const shstr &	2449	/* Zero the key_values on op, decrementing the shared-string
2356	object::kv_get (const shstr &key) const	2450	* refcounts and freeing the links.
		2451	*/
		2452	void
		2453	key_values::clear ()
2357	{	2454	{
		2455	for (key_value *kvp = first; kvp; )
		2456	{
		2457	key_value *next = kvp->next;
		2458	delete kvp;
		2459	kvp = next;
		2460	}
		2461
		2462	first = 0;
		2463	}
		2464
		2465	shstr_tmp
		2466	key_values::get (shstr_tmp key) const
		2467	{
2358	for (key_value *kv = key_values; kv; kv = kv->next)	2468	for (key_value *kv = first; kv; kv = kv->next)
2359	if (kv->key == key)	2469	if (kv->key == key)
2360	return kv->value;	2470	return kv->value;
2361		2471
2362	return shstr_null;	2472	return shstr ();
2363	}	2473	}
2364		2474
2365	void	2475	void
2366	object::kv_set (const shstr &key, const shstr &value)	2476	key_values::add (shstr_tmp key, shstr_tmp value)
2367	{	2477	{
		2478	key_value *kv = new key_value;
		2479
		2480	kv->next = first;
		2481	kv->key = key;
		2482	kv->value = value;
		2483
		2484	first = kv;
		2485	}
		2486
		2487	void
		2488	key_values::set (shstr_tmp key, shstr_tmp value)
		2489	{
2368	for (key_value *kv = key_values; kv; kv = kv->next)	2490	for (key_value *kv = first; kv; kv = kv->next)
2369	if (kv->key == key)	2491	if (kv->key == key)
2370	{	2492	{
2371	kv->value = value;	2493	kv->value = value;
2372	return;	2494	return;
2373	}	2495	}
2374		2496
2375	key_value *kv = new key_value;	2497	add (key, value);
2376
2377	kv->next = key_values;
2378	kv->key = key;
2379	kv->value = value;
2380
2381	key_values = kv;
2382	}	2498	}
2383		2499
2384	void	2500	void
2385	object::kv_del (const shstr &key)	2501	key_values::del (shstr_tmp key)
2386	{	2502	{
2387	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)	2503	for (key_value **kvp = &first; *kvp; kvp = &(*kvp)->next)
2388	if ((*kvp)->key == key)	2504	if ((*kvp)->key == key)
2389	{	2505	{
2390	key_value *kv = *kvp;	2506	key_value *kv = *kvp;
2391	*kvp = (*kvp)->next;	2507	*kvp = (*kvp)->next;
2392	delete kv;	2508	delete kv;
2393	return;	2509	return;
2394	}	2510	}
2395	}	2511	}
2396		2512
		2513	void
		2514	key_values::reverse ()
		2515	{
		2516	key_value *prev = 0;
		2517	key_value *head = first;
		2518
		2519	while (head)
		2520	{
		2521	key_value *node = head;
		2522	head = head->next;
		2523	node->next = prev;
		2524	prev = node;
		2525	}
		2526
		2527	first = prev;
		2528	}
		2529
		2530	key_values &
		2531	key_values::operator =(const key_values &kv)
		2532	{
		2533	clear ();
		2534
		2535	for (key_value *kvp = kv.first; kvp; kvp = kvp->next)
		2536	add (kvp->key, kvp->value);
		2537
		2538	reverse ();
		2539
		2540	return *this;
		2541	}
		2542
2397	object::depth_iterator::depth_iterator (object *container)	2543	object::depth_iterator::depth_iterator (object *container)
2398	: iterator_base (container)	2544	: iterator_base (container)
2399	{	2545	{
2400	while (item->inv)	2546	while (item->inv)
2401	item = item->inv;	2547	item = item->inv;
…		…
2449	{	2595	{
2450	char flagdesc[512];	2596	char flagdesc[512];
2451	char info2[256 * 4];	2597	char info2[256 * 4];
2452	char *p = info;	2598	char *p = info;
2453		2599
2454	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",	2600	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2455	count,	2601	count,
2456	uuid.c_str (),	2602	uuid.c_str (),
2457	&name,	2603	&name,
2458	title ? "\",title:\"" : "",	2604	title ? ",title:\"" : "",
2459	title ? (const char *)title : "",	2605	title ? (const char *)title : "",
		2606	title ? "\"" : "",
2460	flag_desc (flagdesc, 512), type);	2607	flag_desc (flagdesc, 512), type);
2461		2608
2462	if (!flag[FLAG_REMOVED] && env)	2609	if (!flag[FLAG_REMOVED] && env)
2463	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2610	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2464		2611
…		…
2482	{	2629	{
2483	return map ? map->region (x, y)	2630	return map ? map->region (x, y)
2484	: region::default_region ();	2631	: region::default_region ();
2485	}	2632	}
2486		2633
2487	const materialtype_t *	2634	//+GPL
2488	object::dominant_material () const
2489	{
2490	if (materialtype_t *mt = name_to_material (materialname))
2491	return mt;
2492
2493	return name_to_material (shstr_unknown);
2494	}
2495		2635
2496	void	2636	void
2497	object::open_container (object *new_container)	2637	object::open_container (object *new_container)
2498	{	2638	{
2499	if (container == new_container)	2639	if (container == new_container)
…		…
2520	container = 0;	2660	container = 0;
2521		2661
2522	// client needs item update to make it work, client bug requires this to be separate	2662	// client needs item update to make it work, client bug requires this to be separate
2523	esrv_update_item (UPD_FLAGS, this, old_container);	2663	esrv_update_item (UPD_FLAGS, this, old_container);
2524		2664
2525	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2665	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2526	play_sound (sound_find ("chest_close"));	2666	play_sound (sound_find ("chest_close"));
2527	}	2667	}
2528		2668
2529	if (new_container)	2669	if (new_container)
2530	{	2670	{
…		…
2534	// TODO: this does not seem to serve any purpose anymore?	2674	// TODO: this does not seem to serve any purpose anymore?
2535	#if 0	2675	#if 0
2536	// insert the "Close Container" object.	2676	// insert the "Close Container" object.
2537	if (archetype *closer = new_container->other_arch)	2677	if (archetype *closer = new_container->other_arch)
2538	{	2678	{
2539	object *closer = arch_to_object (new_container->other_arch);	2679	object *closer = new_container->other_arch->instance ();
2540	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2680	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2541	new_container->insert (closer);	2681	new_container->insert (closer);
2542	}	2682	}
2543	#endif	2683	#endif
2544		2684
2545	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2685	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2546		2686
2547	// make sure the container is available, client bug requires this to be separate	2687	// make sure the container is available, client bug requires this to be separate
2548	esrv_send_item (this, new_container);	2688	esrv_send_item (this, new_container);
2549		2689
2550	new_container->flag [FLAG_APPLIED] = true;	2690	new_container->flag [FLAG_APPLIED] = true;
…		…
2557	}	2697	}
2558	// else if (!old_container->env && contr && contr->ns)	2698	// else if (!old_container->env && contr && contr->ns)
2559	// contr->ns->floorbox_reset ();	2699	// contr->ns->floorbox_reset ();
2560	}	2700	}
2561		2701
		2702	//-GPL
		2703
		2704	// prefetch some flat area around the player
		2705	static void
		2706	prefetch_surrounding_area (object *op, maptile *map, int range)
		2707	{
		2708	for (maprect *rect = map->split_to_tiles (mapwalk_buf,
		2709	op->x - range , op->y - range ,
		2710	op->x + range + 1, op->y + range + 1);
		2711	rect->m;
		2712	++rect)
		2713	{
		2714	rect->m->touch ();
		2715	rect->m->activate ();
		2716	}
		2717	}
		2718
		2719	// prefetch a generous area around the player, also up and down
		2720	void
		2721	object::prefetch_surrounding_maps ()
		2722	{
		2723	prefetch_surrounding_area (this, map, 40);
		2724
		2725	if (maptile *m = map->tile_available (TILE_DOWN))
		2726	prefetch_surrounding_area (this, m, 20);
		2727
		2728	if (maptile *m = map->tile_available (TILE_UP))
		2729	prefetch_surrounding_area (this, m, 20);
		2730	}
		2731
		2732	//+GPL
		2733
2562	object *	2734	object *
2563	object::force_find (const shstr name)	2735	object::force_find (shstr_tmp name)
2564	{	2736	{
2565	/* cycle through his inventory to look for the MARK we want to	2737	/* cycle through his inventory to look for the MARK we want to
2566	* place	2738	* place
2567	*/	2739	*/
2568	for (object *tmp = inv; tmp; tmp = tmp->below)	2740	for (object *tmp = inv; tmp; tmp = tmp->below)
2569	if (tmp->type == FORCE && tmp->slaying == name)	2741	if (tmp->type == FORCE && tmp->slaying == name)
2570	return splay (tmp);	2742	return splay (tmp);
2571		2743
2572	return 0;	2744	return 0;
2573	}	2745	}
2574		2746
2575	void	2747	void
		2748	object::force_set_timer (int duration)
		2749	{
		2750	this->duration = 1;
		2751	this->speed_left = -1.f;
		2752
		2753	this->set_speed (duration ? 1.f / duration : 0.f);
		2754	}
		2755
		2756	object *
2576	object::force_add (const shstr name, int duration)	2757	object::force_add (shstr_tmp name, int duration)
2577	{	2758	{
2578	if (object *force = force_find (name))	2759	if (object *force = force_find (name))
2579	force->destroy ();	2760	force->destroy ();
2580		2761
2581	object *force = get_archetype (FORCE_NAME);	2762	object *force = archetype::get (FORCE_NAME);
2582		2763
2583	force->slaying = name;	2764	force->slaying = name;
2584	force->stats.food = 1;	2765	force->force_set_timer (duration);
2585	force->speed_left = -1.f;
2586
2587	force->set_speed (duration ? 1.f / duration : 0.f);
2588	force->flag [FLAG_IS_USED_UP] = true;
2589	force->flag [FLAG_APPLIED] = true;	2766	force->flag [FLAG_APPLIED] = true;
2590		2767
2591	insert (force);	2768	return insert (force);
2592	}	2769	}
2593		2770
2594	void	2771	void
2595	object::play_sound (faceidx sound)	2772	object::play_sound (faceidx sound) const
2596	{	2773	{
2597	if (!sound)	2774	if (!sound)
2598	return;	2775	return;
2599		2776
2600	if (flag [FLAG_REMOVED])	2777	if (is_on_map ())
		2778	map->play_sound (sound, x, y);
		2779	else if (object *pl = in_player ())
		2780	pl->contr->play_sound (sound);
		2781	}
		2782
		2783	void
		2784	object::say_msg (const char *msg) const
		2785	{
		2786	if (is_on_map ())
		2787	map->say_msg (msg, x, y);
		2788	else if (object *pl = in_player ())
		2789	pl->contr->play_sound (sound);
		2790	}
		2791
		2792	void
		2793	object::make_noise ()
		2794	{
		2795	// we do not model noise in the map, so instead put
		2796	// a temporary light into the noise source
		2797	// could use the map instead, but that's less reliable for our
		2798	// goal, which is to make invisibility a bit harder to exploit
		2799
		2800	// currently only works sensibly for players
		2801	if (!is_player ())
2601	return;	2802	return;
2602		2803
2603	if (env)	2804	// find old force, or create new one
2604	{	2805	object *force = force_find (shstr_noise_force);
2605	if (object *pl = in_player ())	2806
2606	pl->contr->play_sound (sound);	2807	if (force)
2607	}	2808	force->speed_left = -1.f; // patch old speed up
2608	else	2809	else
2609	map->play_sound (sound, x, y);	2810	{
2610	}	2811	force = archetype::get (shstr_noise_force);
2611		2812
		2813	force->slaying = shstr_noise_force;
		2814	force->stats.food = 1;
		2815	force->speed_left = -1.f;
		2816
		2817	force->set_speed (1.f / 4.f);
		2818	force->flag [FLAG_IS_USED_UP] = true;
		2819	force->flag [FLAG_APPLIED] = true;
		2820
		2821	insert (force);
		2822	}
		2823	}
		2824
		2825	void object::change_move_type (MoveType mt)
		2826	{
		2827	if (move_type == mt)
		2828	return;
		2829
		2830	if (is_on_map ())
		2831	{
		2832	// we are on the map, so handle move_on/off effects
		2833	remove ();
		2834	move_type = mt;
		2835	map->insert (this, x, y, this);
		2836	}
		2837	else
		2838	move_type = mt;
		2839	}
		2840
		2841	/* object should be a player.
		2842	* we return the object the player has marked with the 'mark' command
		2843	* below. If no match is found (or object has changed), we return
		2844	* NULL. We leave it up to the calling function to print messages if
		2845	* nothing is found.
		2846	*/
		2847	object *
		2848	object::mark () const
		2849	{
		2850	if (contr && contr->mark && contr->mark->env == this)
		2851	return contr->mark;
		2852	else
		2853	return 0;
		2854	}
		2855
		2856	// put marked object first in the inventory
		2857	// this is used by identify-like spells so players can influence
		2858	// the order a bit.
		2859	void
		2860	object::splay_marked ()
		2861	{
		2862	if (object *marked = mark ())
		2863	splay (marked);
		2864	}
		2865

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