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Comparing deliantra/server/common/object.C (file contents):
Revision 1.169 by root, Wed Aug 1 01:07:42 2007 UTC vs.
Revision 1.289 by root, Sun Oct 11 05:31:54 2009 UTC

1	/*	1	/*
2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team	4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* Crossfire TRT is free software: you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation, either version 3 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	* (at your option) any later version.	11	* (at your option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
…		…
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	*	20	*
21	* The authors can be reached via e-mail to <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	24	#include <global.h>
28	#include <stdio.h>	25	#include <stdio.h>
29	#include <sys/types.h>	26	#include <sys/types.h>
30	#include <sys/uio.h>	27	#include <sys/uio.h>
31	#include <object.h>	28	#include <object.h>
32	#include <funcpoint.h>
33	#include <sproto.h>	29	#include <sproto.h>
34	#include <loader.h>	30	#include <loader.h>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	int nrofallocobjects = 0;	34	UUID UUID::cur;
39	static UUID uuid;	35	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
41		38
42	objectvec objects;	39	objectvec objects;
43	activevec actives;	40	activevec actives;
44		41
45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	42	short freearr_x[SIZEOFFREE] = {
		43	0,
		44	0, 1, 1, 1, 0, -1, -1, -1,
		45	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
46	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	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
47	};	47	};
48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	48	short freearr_y[SIZEOFFREE] = {
		49	0,
		50	-1, -1, 0, 1, 1, 1, 0, -1,
		51	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
49	-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	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50	};	53	};
51	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,	54	int maxfree[SIZEOFFREE] = {
		55	0,
		56	9, 10, 13, 14, 17, 18, 21, 22,
		57	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
52	48, 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	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
53	};	59	};
54	int freedir[SIZEOFFREE] = {	60	int freedir[SIZEOFFREE] = {
55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	61	0,
		62	1, 2, 3, 4, 5, 6, 7, 8,
		63	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
56	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	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
57	};	65	};
58		66
59	static void	67	static void
60	write_uuid (void)	68	write_uuid (uval64 skip, bool sync)
61	{	69	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	70	CALL_BEGIN (2);
63		71	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	72	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	73	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		74	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	75	}
79		76
80	static void	77	static void
81	read_uuid (void)	78	read_uuid (void)
82	{	79	{
83	char filename[MAX_BUF];	80	char filename[MAX_BUF];
84		81
85	sprintf (filename, "%s/uuid", settings.localdir);	82	sprintf (filename, "%s/uuid", settings.localdir);
		83
		84	seq_next_save = 0;
86		85
87	FILE *fp;	86	FILE *fp;
88		87
89	if (!(fp = fopen (filename, "r")))	88	if (!(fp = fopen (filename, "r")))
90	{	89	{
91	if (errno == ENOENT)	90	if (errno == ENOENT)
92	{	91	{
93	LOG (llevInfo, "RESET uid to 1\n");	92	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	93	UUID::cur.seq = 0;
95	write_uuid ();	94	write_uuid (UUID_GAP, true);
96	return;	95	return;
97	}	96	}
98		97
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	98	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	99	_exit (1);
101	}	100	}
102		101
103	int version;	102	UUID::BUF buf;
104	unsigned long long uid;	103	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	104	fgets (buf, sizeof (buf), fp);
		105
		106	if (!UUID::cur.parse (buf))
106	{	107	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	108	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	109	_exit (1);
109	}	110	}
110		111
111	uuid.seq = uid;	112	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	113
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	114	write_uuid (UUID_GAP, true);
114	fclose (fp);	115	fclose (fp);
115	}	116	}
116		117
117	UUID	118	UUID
118	gen_uuid ()	119	UUID::gen ()
119	{	120	{
120	UUID uid;	121	UUID uid;
121		122
122	uid.seq = ++uuid.seq;	123	uid.seq = ++cur.seq;
123		124
124	if (!(uuid.seq & (UUID_SKIP - 1)))	125	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	126	{
		127	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		128	write_uuid (UUID_GAP, false);
		129	}
		130
126		131
127	return uid;	132	return uid;
128	}	133	}
129		134
130	void	135	void
131	init_uuid ()	136	UUID::init ()
132	{	137	{
133	read_uuid ();	138	read_uuid ();
134	}	139	}
135		140
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	141	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	142	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	143	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	144	{
140	key_value *wants_field;
141
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	145	/* n-squared behaviour (see kv_get), but I'm hoping both
143	* objects with lists are rare, and lists stay short. If not, use a	146	* objects with lists are rare, and lists stay short. If not, use a
144	* different structure or at least keep the lists sorted...	147	* different structure or at least keep the lists sorted...
145	*/	148	*/
146		149
147	/* For each field in wants, */	150	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	151	for (key_value *kv = wants->key_values; kv; kv = kv->next)
149	{	152	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	153	return false;
151
152	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);
154
155	if (has_field == NULL)
156	{
157	/* No field with that name. */
158	return FALSE;
159	}
160
161	/* Found the matching field. */
162	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167
168	/* If we get here, we found a match. Now for the next field in wants. */
169	}
170		154
171	/* If we get here, every field in wants has a matching field in has. */	155	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	156	return true;
173	}	157	}
174		158
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	159	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	160	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	161	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	162	{
179	/* However, there may be fields in has which aren't partnered in wants,	163	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	164	* so we need to run the comparison *twice*. :(
181	*/	165	*/
182	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	166	return compare_ob_value_lists_one (ob1, ob2)
		167	&& compare_ob_value_lists_one (ob2, ob1);
183	}	168	}
184		169
185	/* Function examines the 2 objects given to it, and returns true if	170	/* Function examines the 2 objects given to it, and returns true if
186	* they can be merged together.	171	* they can be merged together.
187	*	172	*
…		…
202	|| ob1->speed != ob2->speed	187	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	188	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	189	|| ob1->name != ob2->name)
205	return 0;	190	return 0;
206		191
207	//TODO: this ain't working well, use nicer and correct overflow check
208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	192	/* Do not merge objects if nrof would overflow, assume nrof
209	* value could not be stored in a sint32 (which unfortunately sometimes is	193	* is always 0 .. 2**31-1 */
210	* used to store nrof).	194	if (ob1->nrof > 0x7fffffff - ob2->nrof)
211	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
213	return 0;	195	return 0;
214		196
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	197	/* If the objects have been identified, set the BEEN_APPLIED flag.
216	* This is to the comparison of the flags below will be OK. We	198	* This is to the comparison of the flags below will be OK. We
217	* just can't ignore the been applied or identified flags, as they	199	* just can't ignore the been applied or identified flags, as they
218	* are not equal - just if it has been identified, the been_applied	200	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	201	* flags lose any meaning.
220	*/	202	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	203	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	204	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		205
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	206	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	207	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		208
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	209	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	210	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	211	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	212	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	213	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	214	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	215	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	216	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	217	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	218	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	219	|| ob1->animation_id != ob2->animation_id
		220	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
241	|| ob1->client_type != ob2->client_type	221	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	222	|| ob1->materialname != ob2->materialname
243	|| ob1->lore != ob2->lore	223	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	224	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	225	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	226	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	227	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	228	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	229	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	230	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	231	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		232	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		233	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	234	return 0;
253		235
		236	if ((ob1->flag ^ ob2->flag)
		237	.reset (FLAG_INV_LOCKED)
		238	.reset (FLAG_REMOVED)
		239	.any ())
		240	return 0;
		241
254	/* This is really a spellbook check - really, we should	242	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	243	* not merge objects with real inventories, as splitting them
		244	* is hard.
256	*/	245	*/
257	if (ob1->inv || ob2->inv)	246	if (ob1->inv || ob2->inv)
258	{	247	{
259	/* if one object has inventory but the other doesn't, not equiv */	248	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	249	return 0; /* inventories differ in length */
261	return 0;
262		250
263	/* Now check to see if the two inventory objects could merge */	251	if (ob1->inv->below || ob2->inv->below)
		252	return 0; /* more than one object in inv */
		253
264	if (!object::can_merge (ob1->inv, ob2->inv))	254	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	255	return 0; /* inventory objects differ */
266		256
267	/* inventory ok - still need to check rest of this object to see	257	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	258	* if it is valid.
269	*/	259	*/
270	}	260	}
…		…
289	if (ob1->level != ob2->level)	279	if (ob1->level != ob2->level)
290	return 0;	280	return 0;
291	break;	281	break;
292	}	282	}
293		283
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	284	if (ob1->key_values || ob2->key_values)
295	{	285	{
296	/* At least one of these has key_values. */	286	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	287	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	288	return 0; /* One has fields, but the other one doesn't. */
299	return 0;	289
300	else if (!compare_ob_value_lists (ob1, ob2))	290	if (!compare_ob_value_lists (ob1, ob2))
301	return 0;	291	return 0;
302	}	292	}
303		293
304	if (ob1->self || ob2->self)	294	if (ob1->self || ob2->self)
305	{	295	{
306	ob1->optimise ();	296	ob1->optimise ();
307	ob2->optimise ();	297	ob2->optimise ();
308		298
309	if (ob1->self || ob2->self)	299	if (ob1->self || ob2->self)
		300	{
		301	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		302	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		303
		304	if (k1 != k2)
		305	return 0;
		306
		307	if (k1 == 0)
		308	return 1;
		309
310	if (!cfperl_can_merge (ob1, ob2))	310	if (!cfperl_can_merge (ob1, ob2))
311	return 0;	311	return 0;
		312	}
312	}	313	}
313		314
314	/* Everything passes, must be OK. */	315	/* Everything passes, must be OK. */
315	return 1;	316	return 1;
316	}	317	}
317		318
		319	// find player who can see this object
		320	object *
		321	object::visible_to () const
		322	{
		323	if (client_visible () && !flag [FLAG_REMOVED])
		324	{
		325	// see if we are in a container of sorts
		326	if (env)
		327	{
		328	// the player inventory itself is always visible
		329	if (env->is_player ())
		330	return env;
		331
		332	// else a player could have our env open
		333	object *envest = env->outer_env_or_self ();
		334
		335	// the player itself is always on a map, so we will find him here
		336	// even if our inv is in a player.
		337	if (envest->is_on_map ())
		338	if (object *pl = envest->ms ().player ())
		339	if (pl->container == env)
		340	return pl;
		341	}
		342	else
		343	{
		344	// maybe there is a player standing on the same mapspace
		345	// this will catch the case where "this" is a player
		346	if (object *pl = ms ().player ())
		347	if ((!pl->container && pl->contr->ns && !pl->contr->ns->update_look)
		348	|| this == pl->container)
		349	return pl;
		350	}
		351	}
		352
		353	return 0;
		354	}
		355
		356	// adjust weight per container type ("of holding")
		357	static sint32
		358	weight_adjust_for (object *op, sint32 weight)
		359	{
		360	return op->type == CONTAINER
		361	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		362	: weight;
		363	}
		364
318	/*	365	/*
		366	* adjust_weight(object, weight) adds the specified weight to an object,
		367	* and also updates how much the environment(s) is/are carrying.
		368	*/
		369	static void
		370	adjust_weight (object *op, sint32 weight)
		371	{
		372	while (op)
		373	{
		374	// adjust by actual difference to account for rounding errors
		375	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		376	weight = weight_adjust_for (op, op->carrying)
		377	- weight_adjust_for (op, op->carrying - weight);
		378
		379	if (!weight)
		380	return;
		381
		382	op->carrying += weight;
		383
		384	if (object *pl = op->visible_to ())
		385	if (pl != op) // player is handled lazily
		386	esrv_update_item (UPD_WEIGHT, pl, op);
		387
		388	op = op->env;
		389	}
		390	}
		391
		392	/*
319	* sum_weight() is a recursive function which calculates the weight	393	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	394	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	395	* containers are carrying, and sums it up.
322	*/	396	*/
323	long	397	void
324	sum_weight (object *op)	398	object::update_weight ()
325	{	399	{
326	long sum;	400	sint32 sum = 0;
327	object *inv;
328		401
329	for (sum = 0, inv = op->inv; inv; inv = inv->below)	402	for (object *op = inv; op; op = op->below)
330	{	403	{
331	if (inv->inv)	404	if (op->inv)
332	sum_weight (inv);	405	op->update_weight ();
333		406
334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	407	sum += op->total_weight ();
		408	}
		409
		410	sum = weight_adjust_for (this, sum);
		411
		412	if (sum != carrying)
335	}	413	{
336
337	if (op->type == CONTAINER && op->stats.Str)
338	sum = (sum * (100 - op->stats.Str)) / 100;
339
340	if (op->carrying != sum)
341	op->carrying = sum;	414	carrying = sum;
342		415
343	return sum;	416	if (object *pl = visible_to ())
		417	if (pl != this) // player is handled lazily
		418	esrv_update_item (UPD_WEIGHT, pl, this);
		419	}
344	}	420	}
345		421
346	/**	422	/*
347	* Return the outermost environment object for a given object.	423	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
348	*/
349
350	object *
351	object_get_env_recursive (object *op)
352	{
353	while (op->env != NULL)
354	op = op->env;
355	return op;
356	}
357
358	/*
359	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
360	* Some error messages.
361	* The result of the dump is stored in the static global errmsg array.
362	*/	424	*/
363	char *	425	char *
364	dump_object (object *op)	426	dump_object (object *op)
365	{	427	{
366	if (!op)	428	if (!op)
…		…
369	object_freezer freezer;	431	object_freezer freezer;
370	op->write (freezer);	432	op->write (freezer);
371	return freezer.as_string ();	433	return freezer.as_string ();
372	}	434	}
373		435
		436	char *
		437	object::as_string ()
		438	{
		439	return dump_object (this);
		440	}
		441
374	/*	442	/*
375	* get_nearest_part(multi-object, object 2) returns the part of the	443	* get_nearest_part(multi-object, object 2) returns the part of the
376	* multi-object 1 which is closest to the second object.	444	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.	445	* If it's not a multi-object, it is returned.
378	*/	446	*/
379
380	object *	447	object *
381	get_nearest_part (object *op, const object *pl)	448	get_nearest_part (object *op, const object *pl)
382	{	449	{
383	object *tmp, *closest;	450	object *tmp, *closest;
384	int last_dist, i;	451	int last_dist, i;
385		452
386	if (op->more == NULL)	453	if (!op->more)
387	return op;	454	return op;
		455
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	456	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		457	tmp;
		458	tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)	459	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;	460	closest = tmp, last_dist = i;
		461
391	return closest;	462	return closest;
392	}	463	}
393		464
394	/*	465	/*
395	* Returns the object which has the count-variable equal to the argument.	466	* Returns the object which has the count-variable equal to the argument.
		467	* VERRRY slow.
396	*/	468	*/
397	object *	469	object *
398	find_object (tag_t i)	470	find_object (tag_t i)
399	{	471	{
400	for_all_objects (op)	472	for_all_objects (op)
…		…
411	*/	483	*/
412	object *	484	object *
413	find_object_name (const char *str)	485	find_object_name (const char *str)
414	{	486	{
415	shstr_cmp str_ (str);	487	shstr_cmp str_ (str);
416	object *op;
417		488
		489	if (str_)
418	for_all_objects (op)	490	for_all_objects (op)
419	if (op->name == str_)	491	if (op->name == str_)
420	break;	492	return op;
421		493
422	return op;	494	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	495	}
430		496
431	/*	497	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	498	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	499	* skill and experience objects.
		500	* ACTUALLY NO! investigate! TODO
434	*/	501	*/
435	void	502	void
436	object::set_owner (object *owner)	503	object::set_owner (object *owner)
437	{	504	{
		505	// allow objects which own objects
438	if (!owner)	506	if (owner)
439	return;
440
441	/* next line added to allow objects which own objects */
442	/* Add a check for ownercounts in here, as I got into an endless loop
443	* with the fireball owning a poison cloud which then owned the
444	* fireball. I believe that was caused by one of the objects getting
445	* freed and then another object replacing it. Since the ownercounts
446	* didn't match, this check is valid and I believe that cause is valid.
447	*/
448	while (owner->owner)	507	while (owner->owner)
449	owner = owner->owner;	508	owner = owner->owner;
		509
		510	if (flag [FLAG_FREED])
		511	{
		512	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		513	return;
		514	}
450		515
451	this->owner = owner;	516	this->owner = owner;
452	}	517	}
453		518
454	int	519	int
…		…
496	update_stats ();	561	update_stats ();
497		562
498	new_draw_info_format (NDI_UNIQUE, 0, this,	563	new_draw_info_format (NDI_UNIQUE, 0, this,
499	"You try to balance all your items at once, "	564	"You try to balance all your items at once, "
500	"but the %s is just too much for your body. "	565	"but the %s is just too much for your body. "
501	"[You need to unapply some items first.]", &ob->name);	566	"[You need to unapply some items first - use the 'body' command to see "
		567	"how many items you cna wera on a specific body part.]", &ob->name);
502	return false;	568	return false;
503	}	569	}
504		570
505	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);	571	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
506	}	572	}
…		…
532	}	598	}
533		599
534	op->key_values = 0;	600	op->key_values = 0;
535	}	601	}
536		602
537	object &	603	/*
538	object::operator =(const object &src)	604	* copy_to first frees everything allocated by the dst object,
		605	* and then copies the contents of itself into the second
		606	* object, allocating what needs to be allocated. Basically, any
		607	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		608	* if the first object is freed, the pointers in the new object
		609	* will point at garbage.
		610	*/
		611	void
		612	object::copy_to (object *dst)
539	{	613	{
540	bool is_freed = flag [FLAG_FREED];	614	dst->remove ();
541	bool is_removed = flag [FLAG_REMOVED];
542
543	*(object_copy *)this = src;	615	*(object_copy *)dst = *this;
544
545	flag [FLAG_FREED] = is_freed;
546	flag [FLAG_REMOVED] = is_removed;	616	dst->flag [FLAG_REMOVED] = true;
547		617
548	/* Copy over key_values, if any. */	618	/* Copy over key_values, if any. */
549	if (src.key_values)	619	if (key_values)
550	{	620	{
551	key_value *tail = 0;	621	key_value *tail = 0;
552	key_values = 0;	622	dst->key_values = 0;
553		623
554	for (key_value *i = src.key_values; i; i = i->next)	624	for (key_value *i = key_values; i; i = i->next)
555	{	625	{
556	key_value *new_link = new key_value;	626	key_value *new_link = new key_value;
557		627
558	new_link->next = 0;	628	new_link->next = 0;
559	new_link->key = i->key;	629	new_link->key = i->key;
560	new_link->value = i->value;	630	new_link->value = i->value;
561		631
562	/* Try and be clever here, too. */	632	/* Try and be clever here, too. */
563	if (!key_values)	633	if (!dst->key_values)
564	{	634	{
565	key_values = new_link;	635	dst->key_values = new_link;
566	tail = new_link;	636	tail = new_link;
567	}	637	}
568	else	638	else
569	{	639	{
570	tail->next = new_link;	640	tail->next = new_link;
571	tail = new_link;	641	tail = new_link;
572	}	642	}
573	}	643	}
574	}	644	}
575	}
576
577	/*
578	* copy_to first frees everything allocated by the dst object,
579	* and then copies the contents of itself into the second
580	* object, allocating what needs to be allocated. Basically, any
581	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
582	* if the first object is freed, the pointers in the new object
583	* will point at garbage.
584	*/
585	void
586	object::copy_to (object *dst)
587	{
588	*dst = *this;
589		645
590	if (speed < 0)	646	if (speed < 0)
591	dst->speed_left = speed_left - rndm ();	647	dst->speed_left -= rndm ();
592		648
593	dst->set_speed (dst->speed);	649	dst->activate ();
594	}	650	}
595		651
596	void	652	void
597	object::instantiate ()	653	object::instantiate ()
598	{	654	{
599	if (!uuid.seq) // HACK	655	if (!uuid.seq) // HACK
600	uuid = gen_uuid ();	656	uuid = UUID::gen ();
601		657
602	speed_left = -0.1f;	658	speed_left = -0.1f;
603	/* copy the body_info to the body_used - this is only really	659	/* copy the body_info to the body_used - this is only really
604	* need for monsters, but doesn't hurt to do it for everything.	660	* need for monsters, but doesn't hurt to do it for everything.
605	* by doing so, when a monster is created, it has good starting	661	* by doing so, when a monster is created, it has good starting
…		…
615	object *	671	object *
616	object::clone ()	672	object::clone ()
617	{	673	{
618	object *neu = create ();	674	object *neu = create ();
619	copy_to (neu);	675	copy_to (neu);
		676	neu->map = map; // not copied by copy_to
620	return neu;	677	return neu;
621	}	678	}
622		679
623	/*	680	/*
624	* If an object with the IS_TURNABLE() flag needs to be turned due	681	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
675	* UP_OBJ_FACE: only the objects face has changed.	732	* UP_OBJ_FACE: only the objects face has changed.
676	*/	733	*/
677	void	734	void
678	update_object (object *op, int action)	735	update_object (object *op, int action)
679	{	736	{
680	if (op == NULL)	737	if (!op)
681	{	738	{
682	/* this should never happen */	739	/* this should never happen */
683	LOG (llevDebug, "update_object() called for NULL object.\n");	740	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
684	return;	741	return;
685	}	742	}
686		743
687	if (op->env)	744	if (!op->is_on_map ())
688	{	745	{
689	/* Animation is currently handled by client, so nothing	746	/* Animation is currently handled by client, so nothing
690	* to do in this case.	747	* to do in this case.
691	*/	748	*/
692	return;	749	return;
693	}	750	}
694
695	/* If the map is saving, don't do anything as everything is
696	* going to get freed anyways.
697	*/
698	if (!op->map || op->map->in_memory == MAP_SAVING)
699	return;
700		751
701	/* make sure the object is within map boundaries */	752	/* make sure the object is within map boundaries */
702	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	753	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
703	{	754	{
704	LOG (llevError, "update_object() called for object out of map!\n");	755	LOG (llevError, "update_object() called for object out of map!\n");
…		…
715	else if (action == UP_OBJ_INSERT)	766	else if (action == UP_OBJ_INSERT)
716	{	767	{
717	// this is likely overkill, TODO: revisit (schmorp)	768	// this is likely overkill, TODO: revisit (schmorp)
718	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	769	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
719	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	770	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
720	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	771	|| (op->is_player () && !(m.flags_ & P_PLAYER))
721	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	772	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
722	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	773	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
723	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	774	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
724	|| (m.move_on | op->move_on ) != m.move_on	775	|| (m.move_on | op->move_on ) != m.move_on
725	|| (m.move_off | op->move_off ) != m.move_off	776	|| (m.move_off | op->move_off ) != m.move_off
726	|| (m.move_slow | op->move_slow) != m.move_slow	777	|| (m.move_slow | op->move_slow) != m.move_slow
727	/* This isn't perfect, but I don't expect a lot of objects to	778	/* This isn't perfect, but I don't expect a lot of objects to
728	* to have move_allow right now.	779	* have move_allow right now.
729	*/	780	*/
730	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	781	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
731	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	782	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
732	m.flags_ = 0;	783	m.invalidate ();
733	}	784	}
734	/* if the object is being removed, we can't make intelligent	785	/* if the object is being removed, we can't make intelligent
735	* decisions, because remove_ob can't really pass the object	786	* decisions, because remove_ob can't really pass the object
736	* that is being removed.	787	* that is being removed.
737	*/	788	*/
738	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	789	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
739	m.flags_ = 0;	790	m.invalidate ();
740	else if (action == UP_OBJ_FACE)	791	else if (action == UP_OBJ_FACE)
741	/* Nothing to do for that case */ ;	792	/* Nothing to do for that case */ ;
742	else	793	else
743	LOG (llevError, "update_object called with invalid action: %d\n", action);	794	LOG (llevError, "update_object called with invalid action: %d\n", action);
744		795
…		…
748		799
749	object::object ()	800	object::object ()
750	{	801	{
751	SET_FLAG (this, FLAG_REMOVED);	802	SET_FLAG (this, FLAG_REMOVED);
752		803
753	expmul = 1.0;	804	//expmul = 1.0; declared const for the time being
754	face = blank_face;	805	face = blank_face;
755	}	806	}
756		807
757	object::~object ()	808	object::~object ()
758	{	809	{
…		…
764	static int object_count;	815	static int object_count;
765		816
766	void object::link ()	817	void object::link ()
767	{	818	{
768	assert (!index);//D	819	assert (!index);//D
769	uuid = gen_uuid ();	820	uuid = UUID::gen ();
770	count = ++object_count;	821	count = ++object_count;
771		822
772	refcnt_inc ();	823	refcnt_inc ();
773	objects.insert (this);	824	objects.insert (this);
774	}	825	}
…		…
788	/* If already on active list, don't do anything */	839	/* If already on active list, don't do anything */
789	if (active)	840	if (active)
790	return;	841	return;
791		842
792	if (has_active_speed ())	843	if (has_active_speed ())
		844	{
		845	if (flag [FLAG_FREED])
		846	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		847
793	actives.insert (this);	848	actives.insert (this);
		849	}
794	}	850	}
795		851
796	void	852	void
797	object::activate_recursive ()	853	object::activate_recursive ()
798	{	854	{
…		…
847	object::destroy_inv (bool drop_to_ground)	903	object::destroy_inv (bool drop_to_ground)
848	{	904	{
849	// need to check first, because the checks below might segfault	905	// need to check first, because the checks below might segfault
850	// as we might be on an invalid mapspace and crossfire code	906	// as we might be on an invalid mapspace and crossfire code
851	// is too buggy to ensure that the inventory is empty.	907	// is too buggy to ensure that the inventory is empty.
852	// corollary: if you create arrows etc. with stuff in tis inventory,	908	// corollary: if you create arrows etc. with stuff in its inventory,
853	// cf will crash below with off-map x and y	909	// cf will crash below with off-map x and y
854	if (!inv)	910	if (!inv)
855	return;	911	return;
856		912
857	/* Only if the space blocks everything do we not process -	913	/* Only if the space blocks everything do we not process -
858	* if some form of movement is allowed, let objects	914	* if some form of movement is allowed, let objects
859	* drop on that space.	915	* drop on that space.
860	*/	916	*/
861	if (!drop_to_ground	917	if (!drop_to_ground
862	|| !map	918	|| !map
863	|| map->in_memory != MAP_IN_MEMORY	919	|| map->in_memory != MAP_ACTIVE
864	|| map->nodrop	920	|| map->no_drop
865	|| ms ().move_block == MOVE_ALL)	921	|| ms ().move_block == MOVE_ALL)
866	{	922	{
867	while (inv)	923	while (inv)
868	{
869	inv->destroy_inv (drop_to_ground);
870	inv->destroy ();	924	inv->destroy ();
871	}
872	}	925	}
873	else	926	else
874	{ /* Put objects in inventory onto this space */	927	{ /* Put objects in inventory onto this space */
875	while (inv)	928	while (inv)
876	{	929	{
…		…
894	object *op = new object;	947	object *op = new object;
895	op->link ();	948	op->link ();
896	return op;	949	return op;
897	}	950	}
898		951
		952	static struct freed_map : maptile
		953	{
		954	freed_map ()
		955	{
		956	path = "<freed objects map>";
		957	name = "/internal/freed_objects_map";
		958	width = 3;
		959	height = 3;
		960	no_drop = 1;
		961	no_reset = 1;
		962
		963	alloc ();
		964	in_memory = MAP_ACTIVE;
		965	}
		966
		967	~freed_map ()
		968	{
		969	destroy ();
		970	}
		971	} freed_map; // freed objects are moved here to avoid crashes
		972
899	void	973	void
900	object::do_destroy ()	974	object::do_destroy ()
901	{	975	{
902	attachable::do_destroy ();
903
904	if (flag [FLAG_IS_LINKED])	976	if (flag [FLAG_IS_LINKED])
905	remove_button_link (this);	977	remove_link ();
906		978
907	if (flag [FLAG_FRIENDLY])	979	if (flag [FLAG_FRIENDLY])
908	remove_friendly_object (this);	980	remove_friendly_object (this);
909		981
910	if (!flag [FLAG_REMOVED])
911	remove ();	982	remove ();
912		983
913	destroy_inv (true);	984	attachable::do_destroy ();
914		985
915	deactivate ();	986	deactivate ();
916	unlink ();	987	unlink ();
917		988
918	flag [FLAG_FREED] = 1;	989	flag [FLAG_FREED] = 1;
919		990
920	// hack to ensure that freed objects still have a valid map	991	// hack to ensure that freed objects still have a valid map
921	{
922	static maptile *freed_map; // freed objects are moved here to avoid crashes
923
924	if (!freed_map)
925	{
926	freed_map = new maptile;
927
928	freed_map->name = "/internal/freed_objects_map";
929	freed_map->width = 3;
930	freed_map->height = 3;
931
932	freed_map->alloc ();
933	freed_map->in_memory = MAP_IN_MEMORY;
934	}
935
936	map = freed_map;	992	map = &freed_map;
937	x = 1;	993	x = 1;
938	y = 1;	994	y = 1;
939	}
940		995
941	if (more)	996	if (more)
942	{	997	{
943	more->destroy ();	998	more->destroy ();
944	more = 0;	999	more = 0;
…		…
952	attacked_by = 0;	1007	attacked_by = 0;
953	current_weapon = 0;	1008	current_weapon = 0;
954	}	1009	}
955		1010
956	void	1011	void
957	object::destroy (bool destroy_inventory)	1012	object::destroy ()
958	{	1013	{
959	if (destroyed ())	1014	if (destroyed ())
960	return;	1015	return;
961		1016
962	if (destroy_inventory)	1017	if (!is_head () && !head->destroyed ())
		1018	{
		1019	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1020	head->destroy ();
		1021	return;
		1022	}
		1023
963	destroy_inv (false);	1024	destroy_inv (false);
964		1025
		1026	if (is_head ())
		1027	if (sound_destroy)
965	play_sound (sound_die);	1028	play_sound (sound_destroy);
		1029	else if (flag [FLAG_MONSTER])
		1030	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
966		1031
967	attachable::destroy ();	1032	attachable::destroy ();
968	}
969
970	/*
971	* sub_weight() recursively (outwards) subtracts a number from the
972	* weight of an object (and what is carried by it's environment(s)).
973	*/
974	void
975	sub_weight (object *op, signed long weight)
976	{
977	while (op != NULL)
978	{
979	if (op->type == CONTAINER)
980	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
981
982	op->carrying -= weight;
983	op = op->env;
984	}
985	}	1033	}
986		1034
987	/* op->remove ():	1035	/* op->remove ():
988	* This function removes the object op from the linked list of objects	1036	* This function removes the object op from the linked list of objects
989	* which it is currently tied to. When this function is done, the	1037	* which it is currently tied to. When this function is done, the
…		…
995	object::do_remove ()	1043	object::do_remove ()
996	{	1044	{
997	object *tmp, *last = 0;	1045	object *tmp, *last = 0;
998	object *otmp;	1046	object *otmp;
999		1047
1000	if (QUERY_FLAG (this, FLAG_REMOVED))	1048	if (flag [FLAG_REMOVED])
1001	return;	1049	return;
1002		1050
1003	SET_FLAG (this, FLAG_REMOVED);
1004	INVOKE_OBJECT (REMOVE, this);	1051	INVOKE_OBJECT (REMOVE, this);
		1052
		1053	flag [FLAG_REMOVED] = true;
1005		1054
1006	if (more)	1055	if (more)
1007	more->remove ();	1056	more->remove ();
1008		1057
1009	/*	1058	/*
1010	* In this case, the object to be removed is in someones	1059	* In this case, the object to be removed is in someones
1011	* inventory.	1060	* inventory.
1012	*/	1061	*/
1013	if (env)	1062	if (env)
1014	{	1063	{
1015	if (nrof)	1064	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1016	sub_weight (env, weight * nrof);	1065	if (object *pl = visible_to ())
1017	else	1066	esrv_del_item (pl->contr, count);
1018	sub_weight (env, weight + carrying);	1067	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1068
		1069	adjust_weight (env, -total_weight ());
		1070
		1071	object *pl = in_player ();
		1072
		1073	/* we set up values so that it could be inserted into
		1074	* the map, but we don't actually do that - it is up
		1075	* to the caller to decide what we want to do.
		1076	*/
		1077	map = env->map;
		1078	x = env->x;
		1079	y = env->y;
		1080
		1081	// make sure cmov optimisation is applicable
		1082	*(above ? &above->below : &env->inv) = below;
		1083	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1084
		1085	above = 0;
		1086	below = 0;
		1087	env = 0;
1019		1088
1020	/* NO_FIX_PLAYER is set when a great many changes are being	1089	/* NO_FIX_PLAYER is set when a great many changes are being
1021	* made to players inventory. If set, avoiding the call	1090	* made to players inventory. If set, avoiding the call
1022	* to save cpu time.	1091	* to save cpu time.
1023	*/	1092	*/
1024	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1093	if (pl)
		1094	if (pl->is_player () && (glow_radius || !QUERY_FLAG (pl, FLAG_NO_FIX_PLAYER)))
		1095	{
1025	otmp->update_stats ();	1096	pl->update_stats ();
1026		1097
1027	if (above)	1098	if (glow_radius && pl->is_on_map ())
1028	above->below = below;	1099	update_all_los (pl->map, pl->x, pl->y);
1029	else	1100	}
1030	env->inv = below;
1031
1032	if (below)
1033	below->above = above;
1034
1035	/* we set up values so that it could be inserted into
1036	* the map, but we don't actually do that - it is up
1037	* to the caller to decide what we want to do.
1038	*/
1039	x = env->x, y = env->y;
1040	map = env->map;
1041	above = 0, below = 0;
1042	env = 0;
1043	}	1101	}
1044	else if (map)	1102	else if (map)
1045	{	1103	{
1046	if (type == PLAYER)
1047	{
1048	// leaving a spot always closes any open container on the ground
1049	if (container && !container->env)
1050	// this causes spurious floorbox updates, but it ensures
1051	// that the CLOSE event is being sent.
1052	close_container ();
1053
1054	--map->players;
1055	map->touch ();
1056	}
1057
1058	map->dirty = true;	1104	map->dirty = true;
1059	mapspace &ms = this->ms ();	1105	mapspace &ms = this->ms ();
1060		1106
		1107	if (object *pl = ms.player ())
		1108	{
		1109	if (is_player ())
		1110	{
		1111	if (!flag [FLAG_WIZPASS])
		1112	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1113
		1114	// leaving a spot always closes any open container on the ground
		1115	if (container && !container->env)
		1116	// this causes spurious floorbox updates, but it ensures
		1117	// that the CLOSE event is being sent.
		1118	close_container ();
		1119
		1120	--map->players;
		1121	map->touch ();
		1122	}
		1123	else if (pl->container == this)
		1124	{
		1125	// removing a container should close it
		1126	close_container ();
		1127	}
		1128
		1129	esrv_del_item (pl->contr, count);
		1130	}
		1131
1061	/* link the object above us */	1132	/* link the object above us */
1062	if (above)	1133	// re-link, make sure compiler can easily use cmove
1063	above->below = below;	1134	*(above ? &above->below : &ms.top) = below;
1064	else	1135	*(below ? &below->above : &ms.bot) = above;
1065	ms.top = below; /* we were top, set new top */
1066
1067	/* Relink the object below us, if there is one */
1068	if (below)
1069	below->above = above;
1070	else
1071	{
1072	/* Nothing below, which means we need to relink map object for this space
1073	* use translated coordinates in case some oddness with map tiling is
1074	* evident
1075	*/
1076	if (GET_MAP_OB (map, x, y) != this)
1077	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 ());
1078
1079	ms.bot = above; /* goes on above it. */
1080	}
1081		1136
1082	above = 0;	1137	above = 0;
1083	below = 0;	1138	below = 0;
1084		1139
		1140	ms.invalidate ();
		1141
1085	if (map->in_memory == MAP_SAVING)	1142	if (map->in_memory == MAP_SAVING)
1086	return;	1143	return;
1087		1144
1088	int check_walk_off = !flag [FLAG_NO_APPLY];	1145	int check_walk_off = !flag [FLAG_NO_APPLY];
		1146
		1147	if (object *pl = ms.player ())
		1148	{
		1149	if (pl->container == this)
		1150	/* If a container that the player is currently using somehow gets
		1151	* removed (most likely destroyed), update the player view
		1152	* appropriately.
		1153	*/
		1154	pl->close_container ();
		1155
		1156	//TODO: the floorbox prev/next might need updating
		1157	//esrv_del_item (pl->contr, count);
		1158	//TODO: update floorbox to preserve ordering
		1159	if (pl->contr->ns)
		1160	pl->contr->ns->floorbox_update ();
		1161	}
1089		1162
1090	for (tmp = ms.bot; tmp; tmp = tmp->above)	1163	for (tmp = ms.bot; tmp; tmp = tmp->above)
1091	{	1164	{
1092	/* No point updating the players look faces if he is the object	1165	/* No point updating the players look faces if he is the object
1093	* being removed.	1166	* being removed.
1094	*/	1167	*/
1095
1096	if (tmp->type == PLAYER && tmp != this)
1097	{
1098	/* If a container that the player is currently using somehow gets
1099	* removed (most likely destroyed), update the player view
1100	* appropriately.
1101	*/
1102	if (tmp->container == this)
1103	{
1104	flag [FLAG_APPLIED] = 0;
1105	tmp->container = 0;
1106	}
1107
1108	if (tmp->contr->ns)
1109	tmp->contr->ns->floorbox_update ();
1110	}
1111		1168
1112	/* See if object moving off should effect something */	1169	/* See if object moving off should effect something */
1113	if (check_walk_off	1170	if (check_walk_off
1114	&& ((move_type & tmp->move_off)	1171	&& ((move_type & tmp->move_off)
1115	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1172	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1121	}	1178	}
1122		1179
1123	last = tmp;	1180	last = tmp;
1124	}	1181	}
1125		1182
1126	/* last == NULL if there are no objects on this space */	1183	if (affects_los ())
1127	//TODO: this makes little sense, why only update the topmost object?
1128	if (!last)
1129	map->at (x, y).flags_ = 0;
1130	else
1131	update_object (last, UP_OBJ_REMOVE);
1132
1133	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1134	update_all_los (map, x, y);	1184	update_all_los (map, x, y);
1135	}	1185	}
1136	}	1186	}
1137		1187
1138	/*	1188	/*
…		…
1147	merge_ob (object *op, object *top)	1197	merge_ob (object *op, object *top)
1148	{	1198	{
1149	if (!op->nrof)	1199	if (!op->nrof)
1150	return 0;	1200	return 0;
1151		1201
1152	if (top)	1202	if (!top)
1153	for (top = op; top && top->above; top = top->above)	1203	for (top = op; top && top->above; top = top->above)
1154	;	1204	;
1155		1205
1156	for (; top; top = top->below)	1206	for (; top; top = top->below)
1157	{
1158	if (top == op)
1159	continue;
1160
1161	if (object::can_merge (op, top))	1207	if (object::can_merge (op, top))
1162	{	1208	{
1163	top->nrof += op->nrof;	1209	top->nrof += op->nrof;
1164		1210
1165	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1211	if (object *pl = top->visible_to ())
1166	op->weight = 0; /* Don't want any adjustements now */	1212	esrv_update_item (UPD_NROF, pl, top);
		1213
		1214	op->weight = 0; // cancel the addition above
		1215	op->carrying = 0; // must be 0 already
		1216
1167	op->destroy ();	1217	op->destroy ();
		1218
1168	return top;	1219	return top;
1169	}	1220	}
1170	}
1171		1221
1172	return 0;	1222	return 0;
1173	}	1223	}
1174		1224
1175	void	1225	void
…		…
1200	* job preparing multi-part monsters.	1250	* job preparing multi-part monsters.
1201	*/	1251	*/
1202	object *	1252	object *
1203	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1253	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1204	{	1254	{
		1255	op->remove ();
		1256
1205	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1257	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1206	{	1258	{
1207	tmp->x = x + tmp->arch->x;	1259	tmp->x = x + tmp->arch->x;
1208	tmp->y = y + tmp->arch->y;	1260	tmp->y = y + tmp->arch->y;
1209	}	1261	}
…		…
1232	* just 'op' otherwise	1284	* just 'op' otherwise
1233	*/	1285	*/
1234	object *	1286	object *
1235	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1287	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1236	{	1288	{
1237	assert (!op->flag [FLAG_FREED]);
1238
1239	object *top, *floor = NULL;
1240
1241	op->remove ();	1289	op->remove ();
1242		1290
1243	#if 0	1291	if (m == &freed_map)//D TODO: remove soon
1244	if (!m->active != !op->active)
1245	if (m->active)
1246	op->activate_recursive ();
1247	else
1248	op->deactivate_recursive ();
1249	#endif
1250
1251	if (out_of_map (m, op->x, op->y))
1252	{	1292	{//D
1253	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());	1293	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1254	#ifdef MANY_CORES
1255	/* Better to catch this here, as otherwise the next use of this object
1256	* is likely to cause a crash. Better to find out where it is getting
1257	* improperly inserted.
1258	*/
1259	abort ();
1260	#endif
1261	return op;
1262	}	1294	}//D
1263
1264	if (object *more = op->more)
1265	if (!insert_ob_in_map (more, m, originator, flag))
1266	return 0;
1267
1268	CLEAR_FLAG (op, FLAG_REMOVED);
1269		1295
1270	/* Ideally, the caller figures this out. However, it complicates a lot	1296	/* Ideally, the caller figures this out. However, it complicates a lot
1271	* of areas of callers (eg, anything that uses find_free_spot would now	1297	* of areas of callers (eg, anything that uses find_free_spot would now
1272	* need extra work	1298	* need extra work
1273	*/	1299	*/
		1300	maptile *newmap = m;
1274	if (!xy_normalise (m, op->x, op->y))	1301	if (!xy_normalise (newmap, op->x, op->y))
		1302	{
		1303	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1275	return 0;	1304	return 0;
		1305	}
1276		1306
		1307	if (object *more = op->more)
		1308	if (!insert_ob_in_map (more, m, originator, flag))
		1309	return 0;
		1310
		1311	op->flag [FLAG_REMOVED] = false;
		1312	op->env = 0;
1277	op->map = m;	1313	op->map = newmap;
		1314
1278	mapspace &ms = op->ms ();	1315	mapspace &ms = op->ms ();
1279		1316
1280	/* this has to be done after we translate the coordinates.	1317	/* this has to be done after we translate the coordinates.
1281	*/	1318	*/
1282	if (op->nrof && !(flag & INS_NO_MERGE))	1319	if (op->nrof && !(flag & INS_NO_MERGE))
1283	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1320	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1284	if (object::can_merge (op, tmp))	1321	if (object::can_merge (op, tmp))
1285	{	1322	{
		1323	// TODO: we actually want to update tmp, not op,
		1324	// but some caller surely breaks when we return tmp
		1325	// from here :/
1286	op->nrof += tmp->nrof;	1326	op->nrof += tmp->nrof;
1287	tmp->destroy ();	1327	tmp->destroy ();
1288	}	1328	}
1289		1329
1290	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1330	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1299	{	1339	{
1300	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1340	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1301	abort ();	1341	abort ();
1302	}	1342	}
1303		1343
		1344	if (!originator->is_on_map ())
		1345	{
		1346	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1347	op->debug_desc (), originator->debug_desc ());
		1348	abort ();
		1349	}
		1350
1304	op->above = originator;	1351	op->above = originator;
1305	op->below = originator->below;	1352	op->below = originator->below;
1306
1307	if (op->below)
1308	op->below->above = op;
1309	else
1310	ms.bot = op;
1311
1312	/* since *below* originator, no need to update top */
1313	originator->below = op;	1353	originator->below = op;
		1354
		1355	*(op->below ? &op->below->above : &ms.bot) = op;
1314	}	1356	}
1315	else	1357	else
1316	{	1358	{
1317	top = ms.bot;	1359	object *floor = 0;
		1360	object *top = ms.top;
1318		1361
1319	/* If there are other objects, then */	1362	/* If there are other objects, then */
1320	if ((!(flag & INS_MAP_LOAD)) && top)	1363	if (top)
1321	{	1364	{
1322	object *last = 0;
1323
1324	/*	1365	/*
1325	* If there are multiple objects on this space, we do some trickier handling.	1366	* If there are multiple objects on this space, we do some trickier handling.
1326	* We've already dealt with merging if appropriate.	1367	* We've already dealt with merging if appropriate.
1327	* Generally, we want to put the new object on top. But if	1368	* Generally, we want to put the new object on top. But if
1328	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1369	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1331	* once we get to them. This reduces the need to traverse over all of	1372	* once we get to them. This reduces the need to traverse over all of
1332	* them when adding another one - this saves quite a bit of cpu time	1373	* them when adding another one - this saves quite a bit of cpu time
1333	* when lots of spells are cast in one area. Currently, it is presumed	1374	* when lots of spells are cast in one area. Currently, it is presumed
1334	* that flying non pickable objects are spell objects.	1375	* that flying non pickable objects are spell objects.
1335	*/	1376	*/
1336	for (top = ms.bot; top; top = top->above)	1377	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1337	{	1378	{
1338	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1379	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1339	floor = top;	1380	floor = tmp;
1340		1381
1341	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1382	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1342	{	1383	{
1343	/* We insert above top, so we want this object below this */	1384	/* We insert above top, so we want this object below this */
1344	top = top->below;	1385	top = tmp->below;
1345	break;	1386	break;
1346	}	1387	}
1347		1388
1348	last = top;	1389	top = tmp;
1349	}	1390	}
1350
1351	/* Don't want top to be NULL, so set it to the last valid object */
1352	top = last;
1353		1391
1354	/* We let update_position deal with figuring out what the space	1392	/* We let update_position deal with figuring out what the space
1355	* looks like instead of lots of conditions here.	1393	* looks like instead of lots of conditions here.
1356	* makes things faster, and effectively the same result.	1394	* makes things faster, and effectively the same result.
1357	*/	1395	*/
…		…
1364	*/	1402	*/
1365	if (!(flag & INS_ON_TOP)	1403	if (!(flag & INS_ON_TOP)
1366	&& ms.flags () & P_BLOCKSVIEW	1404	&& ms.flags () & P_BLOCKSVIEW
1367	&& (op->face && !faces [op->face].visibility))	1405	&& (op->face && !faces [op->face].visibility))
1368	{	1406	{
		1407	object *last;
		1408
1369	for (last = top; last != floor; last = last->below)	1409	for (last = top; last != floor; last = last->below)
1370	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1410	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1371	break;	1411	break;
1372		1412
1373	/* Check to see if we found the object that blocks view,	1413	/* Check to see if we found the object that blocks view,
…		…
1377	*/	1417	*/
1378	if (last && last->below && last != floor)	1418	if (last && last->below && last != floor)
1379	top = last->below;	1419	top = last->below;
1380	}	1420	}
1381	} /* If objects on this space */	1421	} /* If objects on this space */
1382	if (flag & INS_MAP_LOAD)
1383	top = ms.top;
1384		1422
1385	if (flag & INS_ABOVE_FLOOR_ONLY)	1423	if (flag & INS_ABOVE_FLOOR_ONLY)
1386	top = floor;	1424	top = floor;
1387		1425
1388	/* Top is the object that our object (op) is going to get inserted above.	1426	// insert object above top, or bottom-most if top = 0
1389	*/
1390
1391	/* First object on this space */
1392	if (!top)	1427	if (!top)
1393	{	1428	{
		1429	op->below = 0;
1394	op->above = ms.bot;	1430	op->above = ms.bot;
1395
1396	if (op->above)
1397	op->above->below = op;
1398
1399	op->below = 0;
1400	ms.bot = op;	1431	ms.bot = op;
		1432
		1433	*(op->above ? &op->above->below : &ms.top) = op;
1401	}	1434	}
1402	else	1435	else
1403	{ /* get inserted into the stack above top */	1436	{
1404	op->above = top->above;	1437	op->above = top->above;
1405
1406	if (op->above)
1407	op->above->below = op;	1438	top->above = op;
1408		1439
1409	op->below = top;	1440	op->below = top;
1410	top->above = op;	1441	*(op->above ? &op->above->below : &ms.top) = op;
1411	}	1442	}
		1443	}
1412		1444
1413	if (!op->above)	1445	if (op->is_player ())
1414	ms.top = op;
1415	} /* else not INS_BELOW_ORIGINATOR */
1416
1417	if (op->type == PLAYER)
1418	{	1446	{
1419	op->contr->do_los = 1;	1447	op->contr->do_los = 1;
1420	++op->map->players;	1448	++op->map->players;
1421	op->map->touch ();	1449	op->map->touch ();
1422	}	1450	}
1423		1451
1424	op->map->dirty = true;	1452	op->map->dirty = true;
1425		1453
1426	/* If we have a floor, we know the player, if any, will be above
1427	* it, so save a few ticks and start from there.
1428	*/
1429	if (!(flag & INS_MAP_LOAD))
1430	if (object *pl = ms.player ())	1454	if (object *pl = ms.player ())
		1455	//TODO: the floorbox prev/next might need updating
		1456	//esrv_send_item (pl, op);
		1457	//TODO: update floorbox to preserve ordering
1431	if (pl->contr->ns)	1458	if (pl->contr->ns)
1432	pl->contr->ns->floorbox_update ();	1459	pl->contr->ns->floorbox_update ();
1433		1460
1434	/* If this object glows, it may affect lighting conditions that are	1461	/* If this object glows, it may affect lighting conditions that are
1435	* visible to others on this map. But update_all_los is really	1462	* visible to others on this map. But update_all_los is really
1436	* an inefficient way to do this, as it means los for all players	1463	* an inefficient way to do this, as it means los for all players
1437	* on the map will get recalculated. The players could very well	1464	* on the map will get recalculated. The players could very well
1438	* be far away from this change and not affected in any way -	1465	* be far away from this change and not affected in any way -
1439	* this should get redone to only look for players within range,	1466	* this should get redone to only look for players within range,
1440	* or just updating the P_UPTODATE for spaces within this area	1467	* or just updating the P_UPTODATE for spaces within this area
1441	* of effect may be sufficient.	1468	* of effect may be sufficient.
1442	*/	1469	*/
1443	if (op->map->darkness && (op->glow_radius != 0))	1470	if (op->affects_los ())
		1471	{
		1472	op->ms ().invalidate ();
1444	update_all_los (op->map, op->x, op->y);	1473	update_all_los (op->map, op->x, op->y);
		1474	}
1445		1475
1446	/* updates flags (blocked, alive, no magic, etc) for this map space */	1476	/* updates flags (blocked, alive, no magic, etc) for this map space */
1447	update_object (op, UP_OBJ_INSERT);	1477	update_object (op, UP_OBJ_INSERT);
1448		1478
1449	INVOKE_OBJECT (INSERT, op);	1479	INVOKE_OBJECT (INSERT, op);
…		…
1456	* blocked() and wall() work properly), and these flags are updated by	1486	* blocked() and wall() work properly), and these flags are updated by
1457	* update_object().	1487	* update_object().
1458	*/	1488	*/
1459		1489
1460	/* if this is not the head or flag has been passed, don't check walk on status */	1490	/* if this is not the head or flag has been passed, don't check walk on status */
1461	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1491	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1462	{	1492	{
1463	if (check_move_on (op, originator))	1493	if (check_move_on (op, originator))
1464	return 0;	1494	return 0;
1465		1495
1466	/* If we are a multi part object, lets work our way through the check	1496	/* If we are a multi part object, lets work our way through the check
…		…
1477	/* this function inserts an object in the map, but if it	1507	/* this function inserts an object in the map, but if it
1478	* finds an object of its own type, it'll remove that one first.	1508	* finds an object of its own type, it'll remove that one first.
1479	* op is the object to insert it under: supplies x and the map.	1509	* op is the object to insert it under: supplies x and the map.
1480	*/	1510	*/
1481	void	1511	void
1482	replace_insert_ob_in_map (const char *arch_string, object *op)	1512	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1483	{	1513	{
1484	object *tmp, *tmp1;
1485
1486	/* first search for itself and remove any old instances */	1514	/* first search for itself and remove any old instances */
1487		1515
1488	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1516	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1489	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1517	if (tmp->arch->archname == archname) /* same archetype */
1490	tmp->destroy ();	1518	tmp->destroy ();
1491		1519
1492	tmp1 = arch_to_object (archetype::find (arch_string));	1520	object *tmp = arch_to_object (archetype::find (archname));
1493		1521
1494	tmp1->x = op->x;	1522	tmp->x = op->x;
1495	tmp1->y = op->y;	1523	tmp->y = op->y;
		1524
1496	insert_ob_in_map (tmp1, op->map, op, 0);	1525	insert_ob_in_map (tmp, op->map, op, 0);
1497	}	1526	}
1498		1527
1499	object *	1528	object *
1500	object::insert_at (object *where, object *originator, int flags)	1529	object::insert_at (object *where, object *originator, int flags)
1501	{	1530	{
		1531	if (where->env)
		1532	return where->env->insert (this);
		1533	else
1502	return where->map->insert (this, where->x, where->y, originator, flags);	1534	return where->map->insert (this, where->x, where->y, originator, flags);
1503	}	1535	}
1504		1536
1505	/*	1537	/*
1506	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1507	* is returned contains nr objects, and the remaining parts contains
1508	* the rest (or is removed and freed if that number is 0).
1509	* On failure, NULL is returned, and the reason put into the
1510	* global static errmsg array.
1511	*/
1512	object *
1513	get_split_ob (object *orig_ob, uint32 nr)
1514	{
1515	object *newob;
1516	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1517
1518	if (orig_ob->nrof < nr)
1519	{
1520	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1521	return NULL;
1522	}
1523
1524	newob = object_create_clone (orig_ob);
1525
1526	if ((orig_ob->nrof -= nr) < 1)
1527	orig_ob->destroy (1);
1528	else if (!is_removed)
1529	{
1530	if (orig_ob->env != NULL)
1531	sub_weight (orig_ob->env, orig_ob->weight * nr);
1532	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1533	{
1534	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1535	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1536	return NULL;
1537	}
1538	}
1539
1540	newob->nrof = nr;
1541
1542	return newob;
1543	}
1544
1545	/*
1546	* decrease_ob_nr(object, number) decreases a specified number from	1538	* decrease(object, number) decreases a specified number from
1547	* the amount of an object. If the amount reaches 0, the object	1539	* the amount of an object. If the amount reaches 0, the object
1548	* is subsequently removed and freed.	1540	* is subsequently removed and freed.
1549	*	1541	*
1550	* Return value: 'op' if something is left, NULL if the amount reached 0	1542	* Return value: 'op' if something is left, NULL if the amount reached 0
1551	*/	1543	*/
		1544	bool
		1545	object::decrease (sint32 nr)
		1546	{
		1547	if (!nr)
		1548	return true;
		1549
		1550	nr = min (nr, nrof);
		1551
		1552	if (nrof > nr)
		1553	{
		1554	nrof -= nr;
		1555	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1556
		1557	if (object *pl = visible_to ())
		1558	esrv_update_item (UPD_NROF, pl, this);
		1559
		1560	return true;
		1561	}
		1562	else
		1563	{
		1564	destroy ();
		1565	return false;
		1566	}
		1567	}
		1568
		1569	/*
		1570	* split(ob,nr) splits up ob into two parts. The part which
		1571	* is returned contains nr objects, and the remaining parts contains
		1572	* the rest (or is removed and returned if that number is 0).
		1573	* On failure, NULL is returned.
		1574	*/
1552	object *	1575	object *
1553	decrease_ob_nr (object *op, uint32 i)	1576	object::split (sint32 nr)
1554	{	1577	{
1555	object *tmp;	1578	int have = number_of ();
1556		1579
1557	if (i == 0) /* objects with op->nrof require this check */	1580	if (have < nr)
1558	return op;	1581	return 0;
1559		1582	else if (have == nr)
1560	if (i > op->nrof)
1561	i = op->nrof;
1562
1563	if (QUERY_FLAG (op, FLAG_REMOVED))
1564	op->nrof -= i;
1565	else if (op->env)
1566	{	1583	{
1567	/* is this object in the players inventory, or sub container
1568	* therein?
1569	*/
1570	tmp = op->in_player ();
1571	/* nope. Is this a container the player has opened?
1572	* If so, set tmp to that player.
1573	* IMO, searching through all the players will mostly
1574	* likely be quicker than following op->env to the map,
1575	* and then searching the map for a player.
1576	*/
1577	if (!tmp)
1578	for_all_players (pl)
1579	if (pl->ob->container == op->env)
1580	{
1581	tmp = pl->ob;
1582	break;
1583	}
1584
1585	if (i < op->nrof)
1586	{
1587	sub_weight (op->env, op->weight * i);
1588	op->nrof -= i;
1589	if (tmp)
1590	esrv_send_item (tmp, op);
1591	}
1592	else
1593	{
1594	op->remove ();	1584	remove ();
1595	op->nrof = 0;	1585	return this;
1596	if (tmp)
1597	esrv_del_item (tmp->contr, op->count);
1598	}
1599	}	1586	}
1600	else	1587	else
1601	{	1588	{
1602	object *above = op->above;	1589	decrease (nr);
1603		1590
1604	if (i < op->nrof)	1591	object *op = deep_clone ();
1605	op->nrof -= i;	1592	op->nrof = nr;
1606	else
1607	{
1608	op->remove ();
1609	op->nrof = 0;
1610	}
1611
1612	/* Since we just removed op, op->above is null */
1613	for (tmp = above; tmp; tmp = tmp->above)
1614	if (tmp->type == PLAYER)
1615	{
1616	if (op->nrof)
1617	esrv_send_item (tmp, op);
1618	else
1619	esrv_del_item (tmp->contr, op->count);
1620	}
1621	}
1622
1623	if (op->nrof)
1624	return op;	1593	return op;
1625	else
1626	{
1627	op->destroy ();
1628	return 0;
1629	}
1630	}
1631
1632	/*
1633	* add_weight(object, weight) adds the specified weight to an object,
1634	* and also updates how much the environment(s) is/are carrying.
1635	*/
1636	void
1637	add_weight (object *op, signed long weight)
1638	{
1639	while (op != NULL)
1640	{
1641	if (op->type == CONTAINER)
1642	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1643
1644	op->carrying += weight;
1645	op = op->env;
1646	}	1594	}
1647	}	1595	}
1648		1596
1649	object *	1597	object *
1650	insert_ob_in_ob (object *op, object *where)	1598	insert_ob_in_ob (object *op, object *where)
…		…
1675	* be != op, if items are merged. -Tero	1623	* be != op, if items are merged. -Tero
1676	*/	1624	*/
1677	object *	1625	object *
1678	object::insert (object *op)	1626	object::insert (object *op)
1679	{	1627	{
1680	object *tmp, *otmp;
1681
1682	if (!QUERY_FLAG (op, FLAG_REMOVED))
1683	op->remove ();
1684
1685	if (op->more)	1628	if (op->more)
1686	{	1629	{
1687	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1630	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1688	return op;	1631	return op;
1689	}	1632	}
1690		1633
1691	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1634	op->remove ();
1692	CLEAR_FLAG (op, FLAG_REMOVED);	1635
		1636	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1637
1693	if (op->nrof)	1638	if (op->nrof)
1694	{
1695	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1639	for (object *tmp = inv; tmp; tmp = tmp->below)
1696	if (object::can_merge (tmp, op))	1640	if (object::can_merge (tmp, op))
1697	{	1641	{
1698	/* return the original object and remove inserted object	1642	/* return the original object and remove inserted object
1699	(client needs the original object) */	1643	(client needs the original object) */
1700	tmp->nrof += op->nrof;	1644	tmp->nrof += op->nrof;
1701	/* Weight handling gets pretty funky. Since we are adding to	1645
1702	* tmp->nrof, we need to increase the weight.	1646	if (object *pl = tmp->visible_to ())
1703	*/	1647	esrv_update_item (UPD_NROF, pl, tmp);
		1648
1704	add_weight (this, op->weight * op->nrof);	1649	adjust_weight (this, op->total_weight ());
1705	SET_FLAG (op, FLAG_REMOVED);	1650
1706	op->destroy (); /* free the inserted object */	1651	op->destroy ();
1707	op = tmp;	1652	op = tmp;
1708	op->remove (); /* and fix old object's links */	1653	goto inserted;
1709	CLEAR_FLAG (op, FLAG_REMOVED);
1710	break;
1711	}	1654	}
1712		1655
1713	/* I assume combined objects have no inventory	1656	op->owner = 0; // it's his/hers now. period.
1714	* We add the weight - this object could have just been removed
1715	* (if it was possible to merge). calling remove_ob will subtract
1716	* the weight, so we need to add it in again, since we actually do
1717	* the linking below
1718	*/
1719	add_weight (this, op->weight * op->nrof);
1720	}
1721	else
1722	add_weight (this, (op->weight + op->carrying));
1723
1724	otmp = this->in_player ();
1725	if (otmp && otmp->contr)
1726	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1727	otmp->update_stats ();
1728
1729	op->map = 0;	1657	op->map = 0;
1730	op->env = this;	1658	op->x = 0;
		1659	op->y = 0;
		1660
1731	op->above = 0;	1661	op->above = 0;
1732	op->below = 0;	1662	op->below = inv;
1733	op->x = 0, op->y = 0;	1663	op->env = this;
1734		1664
		1665	if (inv)
		1666	inv->above = op;
		1667
		1668	inv = op;
		1669
		1670	op->flag [FLAG_REMOVED] = 0;
		1671
		1672	if (object *pl = op->visible_to ())
		1673	esrv_send_item (pl, op);
		1674
		1675	adjust_weight (this, op->total_weight ());
		1676
		1677	inserted:
1735	/* reset the light list and los of the players on the map */	1678	/* reset the light list and los of the players on the map */
1736	if ((op->glow_radius != 0) && map)	1679	if (op->glow_radius && is_on_map ())
1737	{	1680	{
1738	#ifdef DEBUG_LIGHTS	1681	update_stats ();
1739	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1740	#endif /* DEBUG_LIGHTS */
1741	if (map->darkness)
1742	update_all_los (map, x, y);	1682	update_all_los (map, x, y);
1743	}
1744
1745	/* Client has no idea of ordering so lets not bother ordering it here.
1746	* It sure simplifies this function...
1747	*/
1748	if (!inv)
1749	inv = op;
1750	else
1751	{	1683	}
1752	op->below = inv;	1684	else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1753	op->below->above = op;	1685	// if this is a player's inventory, update stats
1754	inv = op;	1686	update_stats ();
1755	}
1756		1687
1757	INVOKE_OBJECT (INSERT, this);	1688	INVOKE_OBJECT (INSERT, this);
1758		1689
1759	return op;	1690	return op;
1760	}	1691	}
…		…
1780	* on top.	1711	* on top.
1781	*/	1712	*/
1782	int	1713	int
1783	check_move_on (object *op, object *originator)	1714	check_move_on (object *op, object *originator)
1784	{	1715	{
		1716	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1717	return 0;
		1718
1785	object *tmp;	1719	object *tmp;
1786	maptile *m = op->map;	1720	maptile *m = op->map;
1787	int x = op->x, y = op->y;	1721	int x = op->x, y = op->y;
1788		1722
1789	MoveType move_on, move_slow, move_block;	1723	mapspace &ms = m->at (x, y);
1790		1724
1791	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1725	ms.update ();
1792	return 0;
1793		1726
1794	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1727	MoveType move_on = ms.move_on;
1795	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1728	MoveType move_slow = ms.move_slow;
1796	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1729	MoveType move_block = ms.move_block;
1797		1730
1798	/* if nothing on this space will slow op down or be applied,	1731	/* if nothing on this space will slow op down or be applied,
1799	* no need to do checking below. have to make sure move_type	1732	* no need to do checking below. have to make sure move_type
1800	* is set, as lots of objects don't have it set - we treat that	1733	* is set, as lots of objects don't have it set - we treat that
1801	* as walking.	1734	* as walking.
…		…
1812	return 0;	1745	return 0;
1813		1746
1814	/* The objects have to be checked from top to bottom.	1747	/* The objects have to be checked from top to bottom.
1815	* Hence, we first go to the top:	1748	* Hence, we first go to the top:
1816	*/	1749	*/
1817		1750	for (object *next, *tmp = ms.top; tmp; tmp = next)
1818	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1819	{
1820	/* Trim the search when we find the first other spell effect
1821	* this helps performance so that if a space has 50 spell objects,
1822	* we don't need to check all of them.
1823	*/
1824	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1825	break;
1826	}	1751	{
		1752	next = tmp->below;
1827		1753
1828	for (; tmp; tmp = tmp->below)
1829	{
1830	if (tmp == op)	1754	if (tmp == op)
1831	continue; /* Can't apply yourself */	1755	continue; /* Can't apply yourself */
1832		1756
1833	/* Check to see if one of the movement types should be slowed down.	1757	/* Check to see if one of the movement types should be slowed down.
1834	* Second check makes sure that the movement types not being slowed	1758	* Second check makes sure that the movement types not being slowed
…		…
1839	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1763	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1840	{	1764	{
1841	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1765	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1842	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1766	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1843	{	1767	{
1844
1845	float
1846	diff = tmp->move_slow_penalty * fabs (op->speed);	1768	float diff = tmp->move_slow_penalty * fabs (op->speed);
1847		1769
1848	if (op->type == PLAYER)	1770	if (op->is_player ())
1849	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1771	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1850	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1772	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1851	diff /= 4.0;	1773	diff /= 4.0;
1852		1774
1853	op->speed_left -= diff;	1775	op->speed_left -= diff;
1854	}	1776	}
1855	}	1777	}
…		…
1888	LOG (llevError, "Present_arch called outside map.\n");	1810	LOG (llevError, "Present_arch called outside map.\n");
1889	return NULL;	1811	return NULL;
1890	}	1812	}
1891		1813
1892	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1814	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1893	if (tmp->arch == at)	1815	if (tmp->arch->archname == at->archname)
1894	return tmp;	1816	return tmp;
1895		1817
1896	return NULL;	1818	return NULL;
1897	}	1819	}
1898		1820
…		…
1962	* The first matching object is returned, or NULL if none.	1884	* The first matching object is returned, or NULL if none.
1963	*/	1885	*/
1964	object *	1886	object *
1965	present_arch_in_ob (const archetype *at, const object *op)	1887	present_arch_in_ob (const archetype *at, const object *op)
1966	{	1888	{
1967	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1889	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1968	if (tmp->arch == at)	1890	if (tmp->arch->archname == at->archname)
1969	return tmp;	1891	return tmp;
1970		1892
1971	return NULL;	1893	return NULL;
1972	}	1894	}
1973		1895
…		…
1975	* activate recursively a flag on an object inventory	1897	* activate recursively a flag on an object inventory
1976	*/	1898	*/
1977	void	1899	void
1978	flag_inv (object *op, int flag)	1900	flag_inv (object *op, int flag)
1979	{	1901	{
1980	if (op->inv)
1981	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1902	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1982	{	1903	{
1983	SET_FLAG (tmp, flag);	1904	SET_FLAG (tmp, flag);
1984	flag_inv (tmp, flag);	1905	flag_inv (tmp, flag);
1985	}	1906	}
1986	}	1907	}
1987		1908
1988	/*	1909	/*
1989	* deactivate recursively a flag on an object inventory	1910	* deactivate recursively a flag on an object inventory
1990	*/	1911	*/
1991	void	1912	void
1992	unflag_inv (object *op, int flag)	1913	unflag_inv (object *op, int flag)
1993	{	1914	{
1994	if (op->inv)
1995	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1915	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1996	{	1916	{
1997	CLEAR_FLAG (tmp, flag);	1917	CLEAR_FLAG (tmp, flag);
1998	unflag_inv (tmp, flag);	1918	unflag_inv (tmp, flag);
1999	}	1919	}
2000	}	1920	}
2001		1921
2002	/*	1922	/*
2003	* find_free_spot(object, map, x, y, start, stop) will search for	1923	* find_free_spot(object, map, x, y, start, stop) will search for
2004	* a spot at the given map and coordinates which will be able to contain	1924	* a spot at the given map and coordinates which will be able to contain
…		…
2006	* to search (see the freearr_x/y[] definition).	1926	* to search (see the freearr_x/y[] definition).
2007	* It returns a random choice among the alternatives found.	1927	* It returns a random choice among the alternatives found.
2008	* start and stop are where to start relative to the free_arr array (1,9	1928	* start and stop are where to start relative to the free_arr array (1,9
2009	* does all 4 immediate directions). This returns the index into the	1929	* does all 4 immediate directions). This returns the index into the
2010	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1930	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2011	* Note - this only checks to see if there is space for the head of the
2012	* object - if it is a multispace object, this should be called for all
2013	* pieces.
2014	* Note2: This function does correctly handle tiled maps, but does not	1931	* Note: This function does correctly handle tiled maps, but does not
2015	* inform the caller. However, insert_ob_in_map will update as	1932	* inform the caller. However, insert_ob_in_map will update as
2016	* necessary, so the caller shouldn't need to do any special work.	1933	* necessary, so the caller shouldn't need to do any special work.
2017	* Note - updated to take an object instead of archetype - this is necessary	1934	* Note - updated to take an object instead of archetype - this is necessary
2018	* because arch_blocked (now ob_blocked) needs to know the movement type	1935	* because arch_blocked (now ob_blocked) needs to know the movement type
2019	* to know if the space in question will block the object. We can't use	1936	* to know if the space in question will block the object. We can't use
…		…
2021	* customized, changed states, etc.	1938	* customized, changed states, etc.
2022	*/	1939	*/
2023	int	1940	int
2024	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1941	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2025	{	1942	{
		1943	int altern[SIZEOFFREE];
2026	int index = 0, flag;	1944	int index = 0, flag;
2027	int altern[SIZEOFFREE];
2028		1945
2029	for (int i = start; i < stop; i++)	1946	for (int i = start; i < stop; i++)
2030	{	1947	{
2031	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1948	mapxy pos (m, x, y); pos.move (i);
2032	if (!flag)	1949
		1950	if (!pos.normalise ())
		1951	continue;
		1952
		1953	mapspace &ms = *pos;
		1954
		1955	if (ms.flags () & P_IS_ALIVE)
		1956	continue;
		1957
		1958	/* However, often
		1959	* ob doesn't have any move type (when used to place exits)
		1960	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1961	*/
		1962	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1963	{
2033	altern [index++] = i;	1964	altern [index++] = i;
		1965	continue;
		1966	}
2034		1967
2035	/* Basically, if we find a wall on a space, we cut down the search size.	1968	/* Basically, if we find a wall on a space, we cut down the search size.
2036	* In this way, we won't return spaces that are on another side of a wall.	1969	* In this way, we won't return spaces that are on another side of a wall.
2037	* This mostly work, but it cuts down the search size in all directions -	1970	* This mostly work, but it cuts down the search size in all directions -
2038	* if the space being examined only has a wall to the north and empty	1971	* if the space being examined only has a wall to the north and empty
2039	* spaces in all the other directions, this will reduce the search space	1972	* spaces in all the other directions, this will reduce the search space
2040	* to only the spaces immediately surrounding the target area, and	1973	* to only the spaces immediately surrounding the target area, and
2041	* won't look 2 spaces south of the target space.	1974	* won't look 2 spaces south of the target space.
2042	*/	1975	*/
2043	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1976	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1977	{
2044	stop = maxfree[i];	1978	stop = maxfree[i];
		1979	continue;
		1980	}
		1981
		1982	/* Note it is intentional that we check ob - the movement type of the
		1983	* head of the object should correspond for the entire object.
		1984	*/
		1985	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1986	continue;
		1987
		1988	if (ob->blocked (pos.m, pos.x, pos.y))
		1989	continue;
		1990
		1991	altern [index++] = i;
2045	}	1992	}
2046		1993
2047	if (!index)	1994	if (!index)
2048	return -1;	1995	return -1;
2049		1996
…		…
2058	*/	2005	*/
2059	int	2006	int
2060	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2007	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2061	{	2008	{
2062	for (int i = 0; i < SIZEOFFREE; i++)	2009	for (int i = 0; i < SIZEOFFREE; i++)
2063	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2010	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2064	return i;	2011	return i;
2065		2012
2066	return -1;	2013	return -1;
2067	}	2014	}
2068		2015
…		…
2114	* there is capable of.	2061	* there is capable of.
2115	*/	2062	*/
2116	int	2063	int
2117	find_dir (maptile *m, int x, int y, object *exclude)	2064	find_dir (maptile *m, int x, int y, object *exclude)
2118	{	2065	{
2119	int i, max = SIZEOFFREE, mflags;	2066	int max = SIZEOFFREE, mflags;
2120
2121	sint16 nx, ny;
2122	object *tmp;
2123	maptile *mp;
2124
2125	MoveType blocked, move_type;	2067	MoveType move_type;
2126		2068
2127	if (exclude && exclude->head_ () != exclude)	2069	if (exclude && exclude->head_ () != exclude)
2128	{	2070	{
2129	exclude = exclude->head;	2071	exclude = exclude->head;
2130	move_type = exclude->move_type;	2072	move_type = exclude->move_type;
…		…
2133	{	2075	{
2134	/* If we don't have anything, presume it can use all movement types. */	2076	/* If we don't have anything, presume it can use all movement types. */
2135	move_type = MOVE_ALL;	2077	move_type = MOVE_ALL;
2136	}	2078	}
2137		2079
2138	for (i = 1; i < max; i++)	2080	for (int i = 1; i < max; i++)
2139	{	2081	{
2140	mp = m;	2082	mapxy pos (m, x, y);
2141	nx = x + freearr_x[i];	2083	pos.move (i);
2142	ny = y + freearr_y[i];
2143		2084
2144	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2085	if (!pos.normalise ())
2145
2146	if (mflags & P_OUT_OF_MAP)
2147	max = maxfree[i];	2086	max = maxfree[i];
2148	else	2087	else
2149	{	2088	{
2150	mapspace &ms = mp->at (nx, ny);	2089	mapspace &ms = *pos;
2151		2090
2152	blocked = ms.move_block;
2153
2154	if ((move_type & blocked) == move_type)	2091	if ((move_type & ms.move_block) == move_type)
2155	max = maxfree[i];	2092	max = maxfree [i];
2156	else if (mflags & P_IS_ALIVE)	2093	else if (ms.flags () & P_IS_ALIVE)
2157	{	2094	{
2158	for (tmp = ms.bot; tmp; tmp = tmp->above)	2095	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2159	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2096	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2160	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2097	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2161	break;
2162
2163	if (tmp)
2164	return freedir[i];	2098	return freedir [i];
2165	}	2099	}
2166	}	2100	}
2167	}	2101	}
2168		2102
2169	return 0;	2103	return 0;
…		…
2244	* This basically means that if direction is 15, then it could either go	2178	* This basically means that if direction is 15, then it could either go
2245	* direction 4, 14, or 16 to get back to where we are.	2179	* direction 4, 14, or 16 to get back to where we are.
2246	* Moved from spell_util.c to object.c with the other related direction	2180	* Moved from spell_util.c to object.c with the other related direction
2247	* functions.	2181	* functions.
2248	*/	2182	*/
2249	int reduction_dir[SIZEOFFREE][3] = {	2183	const int reduction_dir[SIZEOFFREE][3] = {
2250	{0, 0, 0}, /* 0 */	2184	{0, 0, 0}, /* 0 */
2251	{0, 0, 0}, /* 1 */	2185	{0, 0, 0}, /* 1 */
2252	{0, 0, 0}, /* 2 */	2186	{0, 0, 0}, /* 2 */
2253	{0, 0, 0}, /* 3 */	2187	{0, 0, 0}, /* 3 */
2254	{0, 0, 0}, /* 4 */	2188	{0, 0, 0}, /* 4 */
…		…
2345	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2279	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2346	* core dumps if they do.	2280	* core dumps if they do.
2347	*	2281	*
2348	* Add a check so we can't pick up invisible objects (0.93.8)	2282	* Add a check so we can't pick up invisible objects (0.93.8)
2349	*/	2283	*/
2350
2351	int	2284	int
2352	can_pick (const object *who, const object *item)	2285	can_pick (const object *who, const object *item)
2353	{	2286	{
2354	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2287	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2355	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2288	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2356	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2289	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2357	}	2290	}
2358		2291
2359	/*	2292	/*
2360	* create clone from object to another	2293	* create clone from object to another
2361	*/	2294	*/
2362	object *	2295	object *
2363	object_create_clone (object *asrc)	2296	object::deep_clone ()
2364	{	2297	{
2365	object *dst = 0, *tmp, *src, *prev, *item;	2298	assert (("deep_clone called on non-head object", is_head ()));
2366		2299
2367	if (!asrc)	2300	object *dst = clone ();
2368	return 0;
2369		2301
2370	src = asrc->head_ ();	2302	object *prev = dst;
2371
2372	prev = 0;
2373	for (object *part = src; part; part = part->more)	2303	for (object *part = this->more; part; part = part->more)
2374	{	2304	{
2375	tmp = part->clone ();	2305	object *tmp = part->clone ();
2376	tmp->x -= src->x;
2377	tmp->y -= src->y;
2378
2379	if (!part->head)
2380	{
2381	dst = tmp;
2382	tmp->head = 0;
2383	}
2384	else
2385	tmp->head = dst;	2306	tmp->head = dst;
2386
2387	tmp->more = 0;
2388
2389	if (prev)
2390	prev->more = tmp;	2307	prev->more = tmp;
2391
2392	prev = tmp;	2308	prev = tmp;
2393	}	2309	}
2394		2310
2395	for (item = src->inv; item; item = item->below)	2311	for (object *item = inv; item; item = item->below)
2396	insert_ob_in_ob (object_create_clone (item), dst);	2312	insert_ob_in_ob (item->deep_clone (), dst);
2397		2313
2398	return dst;	2314	return dst;
2399	}	2315	}
2400		2316
2401	/* This returns the first object in who's inventory that	2317	/* This returns the first object in who's inventory that
…		…
2410	return tmp;	2326	return tmp;
2411		2327
2412	return 0;	2328	return 0;
2413	}	2329	}
2414		2330
2415	/* If ob has a field named key, return the link from the list,	2331	shstr_tmp
2416	* otherwise return NULL.	2332	object::kv_get (shstr_tmp key) const
2417	*
2418	* key must be a passed in shared string - otherwise, this won't
2419	* do the desired thing.
2420	*/
2421	key_value *
2422	get_ob_key_link (const object *ob, const char *key)
2423	{	2333	{
2424	for (key_value *link = ob->key_values; link; link = link->next)	2334	for (key_value *kv = key_values; kv; kv = kv->next)
2425	if (link->key == key)	2335	if (kv->key == key)
2426	return link;
2427
2428	return 0;
2429	}
2430
2431	/*
2432	* Returns the value of op has an extra_field for key, or NULL.
2433	*
2434	* The argument doesn't need to be a shared string.
2435	*
2436	* The returned string is shared.
2437	*/
2438	const char *
2439	get_ob_key_value (const object *op, const char *const key)
2440	{
2441	key_value *link;
2442	shstr_cmp canonical_key (key);
2443
2444	if (!canonical_key)
2445	{
2446	/* 1. There being a field named key on any object
2447	* implies there'd be a shared string to find.
2448	* 2. Since there isn't, no object has this field.
2449	* 3. Therefore, *this* object doesn't have this field.
2450	*/
2451	return 0;
2452	}
2453
2454	/* This is copied from get_ob_key_link() above -
2455	* only 4 lines, and saves the function call overhead.
2456	*/
2457	for (link = op->key_values; link; link = link->next)
2458	if (link->key == canonical_key)
2459	return link->value;	2336	return kv->value;
2460		2337
2461	return 0;	2338	return shstr ();
2462	}	2339	}
2463		2340
2464	/*	2341	void
2465	* Updates the canonical_key in op to value.	2342	object::kv_set (shstr_tmp key, shstr_tmp value)
2466	*
2467	* canonical_key is a shared string (value doesn't have to be).
2468	*
2469	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2470	* keys.
2471	*
2472	* Returns TRUE on success.
2473	*/
2474	int
2475	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2476	{	2343	{
2477	key_value *field = NULL, *last = NULL;	2344	for (key_value *kv = key_values; kv; kv = kv->next)
2478		2345	if (kv->key == key)
2479	for (field = op->key_values; field != NULL; field = field->next)
2480	{
2481	if (field->key != canonical_key)
2482	{	2346	{
2483	last = field;	2347	kv->value = value;
2484	continue;	2348	return;
2485	}	2349	}
2486		2350
2487	if (value)	2351	key_value *kv = new key_value;
2488	field->value = value;	2352
2489	else	2353	kv->next = key_values;
		2354	kv->key = key;
		2355	kv->value = value;
		2356
		2357	key_values = kv;
		2358	}
		2359
		2360	void
		2361	object::kv_del (shstr_tmp key)
		2362	{
		2363	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2364	if ((*kvp)->key == key)
2490	{	2365	{
2491	/* Basically, if the archetype has this key set,	2366	key_value *kv = *kvp;
2492	* we need to store the null value so when we save	2367	*kvp = (*kvp)->next;
2493	* it, we save the empty value so that when we load,	2368	delete kv;
2494	* we get this value back again.	2369	return;
2495	*/
2496	if (get_ob_key_link (op->arch, canonical_key))
2497	field->value = 0;
2498	else
2499	{
2500	if (last)
2501	last->next = field->next;
2502	else
2503	op->key_values = field->next;
2504
2505	delete field;
2506	}
2507	}	2370	}
2508	return TRUE;
2509	}
2510	/* IF we get here, key doesn't exist */
2511
2512	/* No field, we'll have to add it. */
2513
2514	if (!add_key)
2515	return FALSE;
2516
2517	/* There isn't any good reason to store a null
2518	* value in the key/value list. If the archetype has
2519	* this key, then we should also have it, so shouldn't
2520	* be here. If user wants to store empty strings,
2521	* should pass in ""
2522	*/
2523	if (value == NULL)
2524	return TRUE;
2525
2526	field = new key_value;
2527
2528	field->key = canonical_key;
2529	field->value = value;
2530	/* Usual prepend-addition. */
2531	field->next = op->key_values;
2532	op->key_values = field;
2533
2534	return TRUE;
2535	}
2536
2537	/*
2538	* Updates the key in op to value.
2539	*
2540	* If add_key is FALSE, this will only update existing keys,
2541	* and not add new ones.
2542	* In general, should be little reason FALSE is ever passed in for add_key
2543	*
2544	* Returns TRUE on success.
2545	*/
2546	int
2547	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2548	{
2549	shstr key_ (key);
2550
2551	return set_ob_key_value_s (op, key_, value, add_key);
2552	}	2371	}
2553		2372
2554	object::depth_iterator::depth_iterator (object *container)	2373	object::depth_iterator::depth_iterator (object *container)
2555	: iterator_base (container)	2374	: iterator_base (container)
2556	{	2375	{
…		…
2606	{	2425	{
2607	char flagdesc[512];	2426	char flagdesc[512];
2608	char info2[256 * 4];	2427	char info2[256 * 4];
2609	char *p = info;	2428	char *p = info;
2610		2429
2611	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2430	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2612	count, uuid.seq,	2431	count,
		2432	uuid.c_str (),
2613	&name,	2433	&name,
2614	title ? "\",title:\"" : "",	2434	title ? ",title:\"" : "",
2615	title ? (const char *)title : "",	2435	title ? (const char *)title : "",
		2436	title ? "\"" : "",
2616	flag_desc (flagdesc, 512), type);	2437	flag_desc (flagdesc, 512), type);
2617		2438
2618	if (env)	2439	if (!flag[FLAG_REMOVED] && env)
2619	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2440	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2620		2441
2621	if (map)	2442	if (map)
2622	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2443	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2623		2444
…		…
2653	object::open_container (object *new_container)	2474	object::open_container (object *new_container)
2654	{	2475	{
2655	if (container == new_container)	2476	if (container == new_container)
2656	return;	2477	return;
2657		2478
2658	if (object *old_container = container)	2479	object *old_container = container;
		2480
		2481	if (old_container)
2659	{	2482	{
2660	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2483	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2661	return;	2484	return;
2662		2485
2663	#if 0	2486	#if 0
…		…
2665	if (object *closer = old_container->inv)	2488	if (object *closer = old_container->inv)
2666	if (closer->type == CLOSE_CON)	2489	if (closer->type == CLOSE_CON)
2667	closer->destroy ();	2490	closer->destroy ();
2668	#endif	2491	#endif
2669		2492
		2493	// make sure the container is available
		2494	esrv_send_item (this, old_container);
		2495
2670	old_container->flag [FLAG_APPLIED] = 0;	2496	old_container->flag [FLAG_APPLIED] = false;
2671	container = 0;	2497	container = 0;
2672		2498
		2499	// client needs item update to make it work, client bug requires this to be separate
2673	esrv_update_item (UPD_FLAGS, this, old_container);	2500	esrv_update_item (UPD_FLAGS, this, old_container);
		2501
2674	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2502	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2503	play_sound (sound_find ("chest_close"));
2675	}	2504	}
2676		2505
2677	if (new_container)	2506	if (new_container)
2678	{	2507	{
2679	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2508	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2688	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2517	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2689	new_container->insert (closer);	2518	new_container->insert (closer);
2690	}	2519	}
2691	#endif	2520	#endif
2692		2521
2693	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2522	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2694		2523
		2524	// make sure the container is available, client bug requires this to be separate
		2525	esrv_send_item (this, new_container);
		2526
2695	new_container->flag [FLAG_APPLIED] = 1;	2527	new_container->flag [FLAG_APPLIED] = true;
2696	container = new_container;	2528	container = new_container;
2697		2529
		2530	// client needs flag change
2698	esrv_update_item (UPD_FLAGS, this, new_container);	2531	esrv_update_item (UPD_FLAGS, this, new_container);
2699	esrv_send_inventory (this, new_container);	2532	esrv_send_inventory (this, new_container);
		2533	play_sound (sound_find ("chest_open"));
2700	}	2534	}
		2535	// else if (!old_container->env && contr && contr->ns)
		2536	// contr->ns->floorbox_reset ();
2701	}	2537	}
2702		2538
2703	object *	2539	object *
2704	object::force_find (const shstr name)	2540	object::force_find (shstr_tmp name)
2705	{	2541	{
2706	/* cycle through his inventory to look for the MARK we want to	2542	/* cycle through his inventory to look for the MARK we want to
2707	* place	2543	* place
2708	*/	2544	*/
2709	for (object *tmp = inv; tmp; tmp = tmp->below)	2545	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2711	return splay (tmp);	2547	return splay (tmp);
2712		2548
2713	return 0;	2549	return 0;
2714	}	2550	}
2715		2551
2716	void	2552	object *
2717	object::force_add (const shstr name, int duration)	2553	object::force_add (shstr_tmp name, int duration)
2718	{	2554	{
2719	if (object *force = force_find (name))	2555	if (object *force = force_find (name))
2720	force->destroy ();	2556	force->destroy ();
2721		2557
2722	object *force = get_archetype (FORCE_NAME);	2558	object *force = get_archetype (FORCE_NAME);
…		…
2727		2563
2728	force->set_speed (duration ? 1.f / duration : 0.f);	2564	force->set_speed (duration ? 1.f / duration : 0.f);
2729	force->flag [FLAG_IS_USED_UP] = true;	2565	force->flag [FLAG_IS_USED_UP] = true;
2730	force->flag [FLAG_APPLIED] = true;	2566	force->flag [FLAG_APPLIED] = true;
2731		2567
2732	insert (force);	2568	return insert (force);
2733	}	2569	}
2734		2570
2735	void	2571	void
2736	object::play_sound (faceidx sound) const	2572	object::play_sound (faceidx sound) const
2737	{	2573	{
2738	if (map)	2574	if (!sound)
		2575	return;
		2576
		2577	if (is_on_map ())
2739	map->play_sound (sound, x, y);	2578	map->play_sound (sound, x, y);
		2579	else if (object *pl = in_player ())
		2580	pl->contr->play_sound (sound);
2740	}	2581	}
		2582
		2583	void
		2584	object::say_msg (const char *msg) const
		2585	{
		2586	if (is_on_map ())
		2587	map->say_msg (msg, x, y);
		2588	else if (object *pl = in_player ())
		2589	pl->contr->play_sound (sound);
		2590	}
		2591
		2592	void
		2593	object::make_noise ()
		2594	{
		2595	// we do not model noise in the map, so instead put
		2596	// a temporary light into the noise source
		2597	// could use the map instead, but that's less reliable for our
		2598	// goal, which is to make invisibility a bit harder to exploit
		2599
		2600	// currently only works sensibly for players
		2601	if (!is_player ())
		2602	return;
		2603
		2604	// find old force, or create new one
		2605	object *force = force_find (shstr_noise_force);
		2606
		2607	if (force)
		2608	force->speed_left = -1.f; // patch old speed up
		2609	else
		2610	{
		2611	force = archetype::get (shstr_noise_force);
		2612
		2613	force->slaying = shstr_noise_force;
		2614	force->stats.food = 1;
		2615	force->speed_left = -1.f;
		2616
		2617	force->set_speed (1.f / 4.f);
		2618	force->flag [FLAG_IS_USED_UP] = true;
		2619	force->flag [FLAG_APPLIED] = true;
		2620
		2621	insert (force);
		2622	}
		2623	}
		2624

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