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Comparing deliantra/server/common/object.C (file contents):
Revision 1.144 by root, Thu May 3 10:39:46 2007 UTC vs.
Revision 1.287 by root, Sat Oct 3 20:11:12 2009 UTC

1	/*	1	/*
2	* CrossFire, A Multiplayer game	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* This program 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 2 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,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	*	20	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	22	*/
24		23
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	24	#include <global.h>
29	#include <stdio.h>	25	#include <stdio.h>
30	#include <sys/types.h>	26	#include <sys/types.h>
31	#include <sys/uio.h>	27	#include <sys/uio.h>
32	#include <object.h>	28	#include <object.h>
33	#include <funcpoint.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. */
		289
		290	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	291	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	292	}
303		293
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	294	if (ob1->self || ob2->self)
306	{	295	{
307	ob1->optimise ();	296	ob1->optimise ();
308	ob2->optimise ();	297	ob2->optimise ();
309		298
310	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)
311	return 0;	305	return 0;
		306
		307	if (k1 == 0)
		308	return 1;
		309
		310	if (!cfperl_can_merge (ob1, ob2))
		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)
…		…
374	/*	436	/*
375	* get_nearest_part(multi-object, object 2) returns the part of the	437	* get_nearest_part(multi-object, object 2) returns the part of the
376	* multi-object 1 which is closest to the second object.	438	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.	439	* If it's not a multi-object, it is returned.
378	*/	440	*/
379
380	object *	441	object *
381	get_nearest_part (object *op, const object *pl)	442	get_nearest_part (object *op, const object *pl)
382	{	443	{
383	object *tmp, *closest;	444	object *tmp, *closest;
384	int last_dist, i;	445	int last_dist, i;
385		446
386	if (op->more == NULL)	447	if (!op->more)
387	return op;	448	return op;
		449
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	450	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		451	tmp;
		452	tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)	453	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;	454	closest = tmp, last_dist = i;
		455
391	return closest;	456	return closest;
392	}	457	}
393		458
394	/*	459	/*
395	* Returns the object which has the count-variable equal to the argument.	460	* Returns the object which has the count-variable equal to the argument.
		461	* VERRRY slow.
396	*/	462	*/
397	object *	463	object *
398	find_object (tag_t i)	464	find_object (tag_t i)
399	{	465	{
400	for_all_objects (op)	466	for_all_objects (op)
…		…
411	*/	477	*/
412	object *	478	object *
413	find_object_name (const char *str)	479	find_object_name (const char *str)
414	{	480	{
415	shstr_cmp str_ (str);	481	shstr_cmp str_ (str);
416	object *op;
417		482
		483	if (str_)
418	for_all_objects (op)	484	for_all_objects (op)
419	if (op->name == str_)	485	if (op->name == str_)
420	break;	486	return op;
421		487
422	return op;	488	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	489	}
430		490
431	/*	491	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	492	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	493	* skill and experience objects.
		494	* ACTUALLY NO! investigate! TODO
434	*/	495	*/
435	void	496	void
436	object::set_owner (object *owner)	497	object::set_owner (object *owner)
437	{	498	{
		499	// allow objects which own objects
438	if (!owner)	500	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)	501	while (owner->owner)
449	owner = owner->owner;	502	owner = owner->owner;
		503
		504	if (flag [FLAG_FREED])
		505	{
		506	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		507	return;
		508	}
450		509
451	this->owner = owner;	510	this->owner = owner;
452	}	511	}
453		512
454	void	513	int
		514	object::slottype () const
		515	{
		516	if (type == SKILL)
		517	{
		518	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		519	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		520	}
		521	else
		522	{
		523	if (slot [body_combat].info) return slot_combat;
		524	if (slot [body_range ].info) return slot_ranged;
		525	}
		526
		527	return slot_none;
		528	}
		529
		530	bool
455	object::set_weapon (object *ob)	531	object::change_weapon (object *ob)
456	{	532	{
457	if (current_weapon == ob)	533	if (current_weapon == ob)
458	return;	534	return true;
		535
		536	if (chosen_skill)
		537	chosen_skill->flag [FLAG_APPLIED] = false;
459		538
460	current_weapon = ob;	539	current_weapon = ob;
461	new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);	540	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		541
		542	if (chosen_skill)
		543	chosen_skill->flag [FLAG_APPLIED] = true;
		544
462	update_stats ();	545	update_stats ();
		546
		547	if (ob)
		548	{
		549	// now check wether any body locations became invalid, in which case
		550	// we cannot apply the weapon at the moment.
		551	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		552	if (slot[i].used < 0)
		553	{
		554	current_weapon = chosen_skill = 0;
		555	update_stats ();
		556
		557	new_draw_info_format (NDI_UNIQUE, 0, this,
		558	"You try to balance all your items at once, "
		559	"but the %s is just too much for your body. "
		560	"[You need to unapply some items first.]", &ob->name);
		561	return false;
		562	}
		563
		564	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		565	}
		566	else
		567	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		568
		569	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		570	{
		571	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		572	&name, ob->debug_desc ());
		573	return false;
		574	}
		575
		576	return true;
463	}	577	}
464		578
465	/* Zero the key_values on op, decrementing the shared-string	579	/* Zero the key_values on op, decrementing the shared-string
466	* refcounts and freeing the links.	580	* refcounts and freeing the links.
467	*/	581	*/
…		…
477	}	591	}
478		592
479	op->key_values = 0;	593	op->key_values = 0;
480	}	594	}
481		595
482	object &	596	/*
483	object::operator =(const object &src)	597	* copy_to first frees everything allocated by the dst object,
		598	* and then copies the contents of itself into the second
		599	* object, allocating what needs to be allocated. Basically, any
		600	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		601	* if the first object is freed, the pointers in the new object
		602	* will point at garbage.
		603	*/
		604	void
		605	object::copy_to (object *dst)
484	{	606	{
485	bool is_freed = flag [FLAG_FREED];	607	dst->remove ();
486	bool is_removed = flag [FLAG_REMOVED];
487
488	*(object_copy *)this = src;	608	*(object_copy *)dst = *this;
489
490	flag [FLAG_FREED] = is_freed;
491	flag [FLAG_REMOVED] = is_removed;	609	dst->flag [FLAG_REMOVED] = true;
492		610
493	/* Copy over key_values, if any. */	611	/* Copy over key_values, if any. */
494	if (src.key_values)	612	if (key_values)
495	{	613	{
496	key_value *tail = 0;	614	key_value *tail = 0;
497	key_values = 0;	615	dst->key_values = 0;
498		616
499	for (key_value *i = src.key_values; i; i = i->next)	617	for (key_value *i = key_values; i; i = i->next)
500	{	618	{
501	key_value *new_link = new key_value;	619	key_value *new_link = new key_value;
502		620
503	new_link->next = 0;	621	new_link->next = 0;
504	new_link->key = i->key;	622	new_link->key = i->key;
505	new_link->value = i->value;	623	new_link->value = i->value;
506		624
507	/* Try and be clever here, too. */	625	/* Try and be clever here, too. */
508	if (!key_values)	626	if (!dst->key_values)
509	{	627	{
510	key_values = new_link;	628	dst->key_values = new_link;
511	tail = new_link;	629	tail = new_link;
512	}	630	}
513	else	631	else
514	{	632	{
515	tail->next = new_link;	633	tail->next = new_link;
516	tail = new_link;	634	tail = new_link;
517	}	635	}
518	}	636	}
519	}	637	}
520	}
521
522	/*
523	* copy_to first frees everything allocated by the dst object,
524	* and then copies the contents of itself into the second
525	* object, allocating what needs to be allocated. Basically, any
526	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
527	* if the first object is freed, the pointers in the new object
528	* will point at garbage.
529	*/
530	void
531	object::copy_to (object *dst)
532	{
533	*dst = *this;
534		638
535	if (speed < 0)	639	if (speed < 0)
536	dst->speed_left = speed_left - rndm ();	640	dst->speed_left -= rndm ();
537		641
538	dst->set_speed (dst->speed);	642	dst->activate ();
539	}	643	}
540		644
541	void	645	void
542	object::instantiate ()	646	object::instantiate ()
543	{	647	{
544	if (!uuid.seq) // HACK	648	if (!uuid.seq) // HACK
545	uuid = gen_uuid ();	649	uuid = UUID::gen ();
546		650
547	speed_left = -0.1f;	651	speed_left = -0.1f;
548	/* copy the body_info to the body_used - this is only really	652	/* copy the body_info to the body_used - this is only really
549	* need for monsters, but doesn't hurt to do it for everything.	653	* need for monsters, but doesn't hurt to do it for everything.
550	* by doing so, when a monster is created, it has good starting	654	* by doing so, when a monster is created, it has good starting
551	* values for the body_used info, so when items are created	655	* values for the body_used info, so when items are created
552	* for it, they can be properly equipped.	656	* for it, they can be properly equipped.
553	*/	657	*/
554	memcpy (body_used, body_info, sizeof (body_used));	658	for (int i = NUM_BODY_LOCATIONS; i--; )
		659	slot[i].used = slot[i].info;
555		660
556	attachable::instantiate ();	661	attachable::instantiate ();
557	}	662	}
558		663
559	object *	664	object *
560	object::clone ()	665	object::clone ()
561	{	666	{
562	object *neu = create ();	667	object *neu = create ();
563	copy_to (neu);	668	copy_to (neu);
		669	neu->map = map; // not copied by copy_to
564	return neu;	670	return neu;
565	}	671	}
566		672
567	/*	673	/*
568	* If an object with the IS_TURNABLE() flag needs to be turned due	674	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
619	* UP_OBJ_FACE: only the objects face has changed.	725	* UP_OBJ_FACE: only the objects face has changed.
620	*/	726	*/
621	void	727	void
622	update_object (object *op, int action)	728	update_object (object *op, int action)
623	{	729	{
624	if (op == NULL)	730	if (!op)
625	{	731	{
626	/* this should never happen */	732	/* this should never happen */
627	LOG (llevDebug, "update_object() called for NULL object.\n");	733	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
628	return;	734	return;
629	}	735	}
630		736
631	if (op->env)	737	if (!op->is_on_map ())
632	{	738	{
633	/* Animation is currently handled by client, so nothing	739	/* Animation is currently handled by client, so nothing
634	* to do in this case.	740	* to do in this case.
635	*/	741	*/
636	return;	742	return;
637	}	743	}
638
639	/* If the map is saving, don't do anything as everything is
640	* going to get freed anyways.
641	*/
642	if (!op->map || op->map->in_memory == MAP_SAVING)
643	return;
644		744
645	/* make sure the object is within map boundaries */	745	/* make sure the object is within map boundaries */
646	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	746	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
647	{	747	{
648	LOG (llevError, "update_object() called for object out of map!\n");	748	LOG (llevError, "update_object() called for object out of map!\n");
…		…
659	else if (action == UP_OBJ_INSERT)	759	else if (action == UP_OBJ_INSERT)
660	{	760	{
661	// this is likely overkill, TODO: revisit (schmorp)	761	// this is likely overkill, TODO: revisit (schmorp)
662	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	762	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
663	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	763	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
664	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	764	|| (op->is_player () && !(m.flags_ & P_PLAYER))
665	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	765	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
666	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	766	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
667	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	767	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
668	|| (m.move_on | op->move_on ) != m.move_on	768	|| (m.move_on | op->move_on ) != m.move_on
669	|| (m.move_off | op->move_off ) != m.move_off	769	|| (m.move_off | op->move_off ) != m.move_off
670	|| (m.move_slow | op->move_slow) != m.move_slow	770	|| (m.move_slow | op->move_slow) != m.move_slow
671	/* This isn't perfect, but I don't expect a lot of objects to	771	/* This isn't perfect, but I don't expect a lot of objects to
672	* to have move_allow right now.	772	* have move_allow right now.
673	*/	773	*/
674	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	774	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
675	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	775	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
676	m.flags_ = 0;	776	m.invalidate ();
677	}	777	}
678	/* if the object is being removed, we can't make intelligent	778	/* if the object is being removed, we can't make intelligent
679	* decisions, because remove_ob can't really pass the object	779	* decisions, because remove_ob can't really pass the object
680	* that is being removed.	780	* that is being removed.
681	*/	781	*/
682	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	782	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
683	m.flags_ = 0;	783	m.invalidate ();
684	else if (action == UP_OBJ_FACE)	784	else if (action == UP_OBJ_FACE)
685	/* Nothing to do for that case */ ;	785	/* Nothing to do for that case */ ;
686	else	786	else
687	LOG (llevError, "update_object called with invalid action: %d\n", action);	787	LOG (llevError, "update_object called with invalid action: %d\n", action);
688		788
…		…
692		792
693	object::object ()	793	object::object ()
694	{	794	{
695	SET_FLAG (this, FLAG_REMOVED);	795	SET_FLAG (this, FLAG_REMOVED);
696		796
697	expmul = 1.0;	797	//expmul = 1.0; declared const for the time being
698	face = blank_face;	798	face = blank_face;
699	}	799	}
700		800
701	object::~object ()	801	object::~object ()
702	{	802	{
…		…
708	static int object_count;	808	static int object_count;
709		809
710	void object::link ()	810	void object::link ()
711	{	811	{
712	assert (!index);//D	812	assert (!index);//D
713	uuid = gen_uuid ();	813	uuid = UUID::gen ();
714	count = ++object_count;	814	count = ++object_count;
715		815
716	refcnt_inc ();	816	refcnt_inc ();
717	objects.insert (this);	817	objects.insert (this);
718	}	818	}
…		…
732	/* If already on active list, don't do anything */	832	/* If already on active list, don't do anything */
733	if (active)	833	if (active)
734	return;	834	return;
735		835
736	if (has_active_speed ())	836	if (has_active_speed ())
		837	{
		838	if (flag [FLAG_FREED])
		839	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		840
737	actives.insert (this);	841	actives.insert (this);
		842	}
738	}	843	}
739		844
740	void	845	void
741	object::activate_recursive ()	846	object::activate_recursive ()
742	{	847	{
…		…
791	object::destroy_inv (bool drop_to_ground)	896	object::destroy_inv (bool drop_to_ground)
792	{	897	{
793	// need to check first, because the checks below might segfault	898	// need to check first, because the checks below might segfault
794	// as we might be on an invalid mapspace and crossfire code	899	// as we might be on an invalid mapspace and crossfire code
795	// is too buggy to ensure that the inventory is empty.	900	// is too buggy to ensure that the inventory is empty.
796	// corollary: if you create arrows etc. with stuff in tis inventory,	901	// corollary: if you create arrows etc. with stuff in its inventory,
797	// cf will crash below with off-map x and y	902	// cf will crash below with off-map x and y
798	if (!inv)	903	if (!inv)
799	return;	904	return;
800		905
801	/* Only if the space blocks everything do we not process -	906	/* Only if the space blocks everything do we not process -
802	* if some form of movement is allowed, let objects	907	* if some form of movement is allowed, let objects
803	* drop on that space.	908	* drop on that space.
804	*/	909	*/
805	if (!drop_to_ground	910	if (!drop_to_ground
806	|| !map	911	|| !map
807	|| map->in_memory != MAP_IN_MEMORY	912	|| map->in_memory != MAP_ACTIVE
808	|| map->nodrop	913	|| map->no_drop
809	|| ms ().move_block == MOVE_ALL)	914	|| ms ().move_block == MOVE_ALL)
810	{	915	{
811	while (inv)	916	while (inv)
812	{
813	inv->destroy_inv (drop_to_ground);
814	inv->destroy ();	917	inv->destroy ();
815	}
816	}	918	}
817	else	919	else
818	{ /* Put objects in inventory onto this space */	920	{ /* Put objects in inventory onto this space */
819	while (inv)	921	while (inv)
820	{	922	{
…		…
838	object *op = new object;	940	object *op = new object;
839	op->link ();	941	op->link ();
840	return op;	942	return op;
841	}	943	}
842		944
		945	static struct freed_map : maptile
		946	{
		947	freed_map ()
		948	{
		949	path = "<freed objects map>";
		950	name = "/internal/freed_objects_map";
		951	width = 3;
		952	height = 3;
		953	no_drop = 1;
		954	no_reset = 1;
		955
		956	alloc ();
		957	in_memory = MAP_ACTIVE;
		958	}
		959
		960	~freed_map ()
		961	{
		962	destroy ();
		963	}
		964	} freed_map; // freed objects are moved here to avoid crashes
		965
843	void	966	void
844	object::do_destroy ()	967	object::do_destroy ()
845	{	968	{
846	attachable::do_destroy ();
847
848	if (flag [FLAG_IS_LINKED])	969	if (flag [FLAG_IS_LINKED])
849	remove_button_link (this);	970	remove_link ();
850		971
851	if (flag [FLAG_FRIENDLY])	972	if (flag [FLAG_FRIENDLY])
852	remove_friendly_object (this);	973	remove_friendly_object (this);
853		974
854	if (!flag [FLAG_REMOVED])
855	remove ();	975	remove ();
856		976
857	destroy_inv (true);	977	attachable::do_destroy ();
858		978
859	deactivate ();	979	deactivate ();
860	unlink ();	980	unlink ();
861		981
862	flag [FLAG_FREED] = 1;	982	flag [FLAG_FREED] = 1;
863		983
864	// hack to ensure that freed objects still have a valid map	984	// hack to ensure that freed objects still have a valid map
865	{
866	static maptile *freed_map; // freed objects are moved here to avoid crashes
867
868	if (!freed_map)
869	{
870	freed_map = new maptile;
871
872	freed_map->name = "/internal/freed_objects_map";
873	freed_map->width = 3;
874	freed_map->height = 3;
875
876	freed_map->alloc ();
877	freed_map->in_memory = MAP_IN_MEMORY;
878	}
879
880	map = freed_map;	985	map = &freed_map;
881	x = 1;	986	x = 1;
882	y = 1;	987	y = 1;
883	}
884
885	head = 0;
886		988
887	if (more)	989	if (more)
888	{	990	{
889	more->destroy ();	991	more->destroy ();
890	more = 0;	992	more = 0;
891	}	993	}
892		994
		995	head = 0;
		996
893	// clear those pointers that likely might have circular references to us	997	// clear those pointers that likely might cause circular references
894	owner = 0;	998	owner = 0;
895	enemy = 0;	999	enemy = 0;
896	attacked_by = 0;	1000	attacked_by = 0;
		1001	current_weapon = 0;
897	}	1002	}
898		1003
899	void	1004	void
900	object::destroy (bool destroy_inventory)	1005	object::destroy ()
901	{	1006	{
902	if (destroyed ())	1007	if (destroyed ())
903	return;	1008	return;
904		1009
905	if (destroy_inventory)	1010	if (!is_head () && !head->destroyed ())
		1011	{
		1012	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1013	head->destroy ();
		1014	return;
		1015	}
		1016
906	destroy_inv (false);	1017	destroy_inv (false);
		1018
		1019	if (is_head ())
		1020	if (sound_destroy)
		1021	play_sound (sound_destroy);
		1022	else if (flag [FLAG_MONSTER])
		1023	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
907		1024
908	attachable::destroy ();	1025	attachable::destroy ();
909	}
910
911	/*
912	* sub_weight() recursively (outwards) subtracts a number from the
913	* weight of an object (and what is carried by it's environment(s)).
914	*/
915	void
916	sub_weight (object *op, signed long weight)
917	{
918	while (op != NULL)
919	{
920	if (op->type == CONTAINER)
921	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
922
923	op->carrying -= weight;
924	op = op->env;
925	}
926	}	1026	}
927		1027
928	/* op->remove ():	1028	/* op->remove ():
929	* This function removes the object op from the linked list of objects	1029	* This function removes the object op from the linked list of objects
930	* which it is currently tied to. When this function is done, the	1030	* which it is currently tied to. When this function is done, the
…		…
936	object::do_remove ()	1036	object::do_remove ()
937	{	1037	{
938	object *tmp, *last = 0;	1038	object *tmp, *last = 0;
939	object *otmp;	1039	object *otmp;
940		1040
941	if (QUERY_FLAG (this, FLAG_REMOVED))	1041	if (flag [FLAG_REMOVED])
942	return;	1042	return;
943		1043
944	SET_FLAG (this, FLAG_REMOVED);
945	INVOKE_OBJECT (REMOVE, this);	1044	INVOKE_OBJECT (REMOVE, this);
		1045
		1046	flag [FLAG_REMOVED] = true;
946		1047
947	if (more)	1048	if (more)
948	more->remove ();	1049	more->remove ();
949		1050
950	/*	1051	/*
951	* In this case, the object to be removed is in someones	1052	* In this case, the object to be removed is in someones
952	* inventory.	1053	* inventory.
953	*/	1054	*/
954	if (env)	1055	if (env)
955	{	1056	{
956	if (nrof)	1057	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
957	sub_weight (env, weight * nrof);	1058	if (object *pl = visible_to ())
958	else	1059	esrv_del_item (pl->contr, count);
959	sub_weight (env, weight + carrying);	1060	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1061
		1062	adjust_weight (env, -total_weight ());
		1063
		1064	object *pl = in_player ();
		1065
		1066	/* we set up values so that it could be inserted into
		1067	* the map, but we don't actually do that - it is up
		1068	* to the caller to decide what we want to do.
		1069	*/
		1070	map = env->map;
		1071	x = env->x;
		1072	y = env->y;
		1073
		1074	// make sure cmov optimisation is applicable
		1075	*(above ? &above->below : &env->inv) = below;
		1076	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1077
		1078	above = 0;
		1079	below = 0;
		1080	env = 0;
960		1081
961	/* NO_FIX_PLAYER is set when a great many changes are being	1082	/* NO_FIX_PLAYER is set when a great many changes are being
962	* made to players inventory. If set, avoiding the call	1083	* made to players inventory. If set, avoiding the call
963	* to save cpu time.	1084	* to save cpu time.
964	*/	1085	*/
965	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1086	if (pl)
		1087	if (pl->is_player () && (glow_radius || !QUERY_FLAG (pl, FLAG_NO_FIX_PLAYER)))
		1088	{
966	otmp->update_stats ();	1089	pl->update_stats ();
967		1090
968	if (above)	1091	if (glow_radius && pl->is_on_map ())
969	above->below = below;	1092	update_all_los (pl->map, pl->x, pl->y);
970	else	1093	}
971	env->inv = below;
972
973	if (below)
974	below->above = above;
975
976	/* we set up values so that it could be inserted into
977	* the map, but we don't actually do that - it is up
978	* to the caller to decide what we want to do.
979	*/
980	x = env->x, y = env->y;
981	map = env->map;
982	above = 0, below = 0;
983	env = 0;
984	}	1094	}
985	else if (map)	1095	else if (map)
986	{	1096	{
987	if (type == PLAYER)
988	{
989	// leaving a spot always closes any open container on the ground
990	if (container && !container->env)
991	// this causes spurious floorbox updates, but it ensures
992	// that the CLOSE event is being sent.
993	close_container ();
994
995	--map->players;
996	map->touch ();
997	}
998
999	map->dirty = true;	1097	map->dirty = true;
1000	mapspace &ms = this->ms ();	1098	mapspace &ms = this->ms ();
1001		1099
		1100	if (object *pl = ms.player ())
		1101	{
		1102	if (is_player ())
		1103	{
		1104	if (!flag [FLAG_WIZPASS])
		1105	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1106
		1107	// leaving a spot always closes any open container on the ground
		1108	if (container && !container->env)
		1109	// this causes spurious floorbox updates, but it ensures
		1110	// that the CLOSE event is being sent.
		1111	close_container ();
		1112
		1113	--map->players;
		1114	map->touch ();
		1115	}
		1116	else if (pl->container == this)
		1117	{
		1118	// removing a container should close it
		1119	close_container ();
		1120	}
		1121
		1122	esrv_del_item (pl->contr, count);
		1123	}
		1124
1002	/* link the object above us */	1125	/* link the object above us */
1003	if (above)	1126	// re-link, make sure compiler can easily use cmove
1004	above->below = below;	1127	*(above ? &above->below : &ms.top) = below;
1005	else	1128	*(below ? &below->above : &ms.bot) = above;
1006	ms.top = below; /* we were top, set new top */
1007
1008	/* Relink the object below us, if there is one */
1009	if (below)
1010	below->above = above;
1011	else
1012	{
1013	/* Nothing below, which means we need to relink map object for this space
1014	* use translated coordinates in case some oddness with map tiling is
1015	* evident
1016	*/
1017	if (GET_MAP_OB (map, x, y) != this)
1018	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 ());
1019
1020	ms.bot = above; /* goes on above it. */
1021	}
1022		1129
1023	above = 0;	1130	above = 0;
1024	below = 0;	1131	below = 0;
1025		1132
		1133	ms.invalidate ();
		1134
1026	if (map->in_memory == MAP_SAVING)	1135	if (map->in_memory == MAP_SAVING)
1027	return;	1136	return;
1028		1137
1029	int check_walk_off = !flag [FLAG_NO_APPLY];	1138	int check_walk_off = !flag [FLAG_NO_APPLY];
		1139
		1140	if (object *pl = ms.player ())
		1141	{
		1142	if (pl->container == this)
		1143	/* If a container that the player is currently using somehow gets
		1144	* removed (most likely destroyed), update the player view
		1145	* appropriately.
		1146	*/
		1147	pl->close_container ();
		1148
		1149	//TODO: the floorbox prev/next might need updating
		1150	//esrv_del_item (pl->contr, count);
		1151	//TODO: update floorbox to preserve ordering
		1152	if (pl->contr->ns)
		1153	pl->contr->ns->floorbox_update ();
		1154	}
1030		1155
1031	for (tmp = ms.bot; tmp; tmp = tmp->above)	1156	for (tmp = ms.bot; tmp; tmp = tmp->above)
1032	{	1157	{
1033	/* No point updating the players look faces if he is the object	1158	/* No point updating the players look faces if he is the object
1034	* being removed.	1159	* being removed.
1035	*/	1160	*/
1036
1037	if (tmp->type == PLAYER && tmp != this)
1038	{
1039	/* If a container that the player is currently using somehow gets
1040	* removed (most likely destroyed), update the player view
1041	* appropriately.
1042	*/
1043	if (tmp->container == this)
1044	{
1045	flag [FLAG_APPLIED] = 0;
1046	tmp->container = 0;
1047	}
1048
1049	if (tmp->contr->ns)
1050	tmp->contr->ns->floorbox_update ();
1051	}
1052		1161
1053	/* See if object moving off should effect something */	1162	/* See if object moving off should effect something */
1054	if (check_walk_off	1163	if (check_walk_off
1055	&& ((move_type & tmp->move_off)	1164	&& ((move_type & tmp->move_off)
1056	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1165	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1059		1168
1060	if (destroyed ())	1169	if (destroyed ())
1061	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1170	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1062	}	1171	}
1063		1172
1064	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1065	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1066	if (tmp->above == tmp)
1067	tmp->above = 0;
1068
1069	last = tmp;	1173	last = tmp;
1070	}	1174	}
1071		1175
1072	/* last == NULL if there are no objects on this space */	1176	if (affects_los ())
1073	//TODO: this makes little sense, why only update the topmost object?
1074	if (!last)
1075	map->at (x, y).flags_ = 0;
1076	else
1077	update_object (last, UP_OBJ_REMOVE);
1078
1079	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1080	update_all_los (map, x, y);	1177	update_all_los (map, x, y);
1081	}	1178	}
1082	}	1179	}
1083		1180
1084	/*	1181	/*
…		…
1093	merge_ob (object *op, object *top)	1190	merge_ob (object *op, object *top)
1094	{	1191	{
1095	if (!op->nrof)	1192	if (!op->nrof)
1096	return 0;	1193	return 0;
1097		1194
1098	if (top)	1195	if (!top)
1099	for (top = op; top && top->above; top = top->above)	1196	for (top = op; top && top->above; top = top->above)
1100	;	1197	;
1101		1198
1102	for (; top; top = top->below)	1199	for (; top; top = top->below)
1103	{
1104	if (top == op)
1105	continue;
1106
1107	if (object::can_merge (op, top))	1200	if (object::can_merge (op, top))
1108	{	1201	{
1109	top->nrof += op->nrof;	1202	top->nrof += op->nrof;
1110		1203
1111	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1204	if (object *pl = top->visible_to ())
1112	op->weight = 0; /* Don't want any adjustements now */	1205	esrv_update_item (UPD_NROF, pl, top);
		1206
		1207	op->weight = 0; // cancel the addition above
		1208	op->carrying = 0; // must be 0 already
		1209
1113	op->destroy ();	1210	op->destroy ();
		1211
1114	return top;	1212	return top;
1115	}	1213	}
1116	}
1117		1214
1118	return 0;	1215	return 0;
1119	}	1216	}
1120		1217
1121	void	1218	void
…		…
1124	if (more)	1221	if (more)
1125	return;	1222	return;
1126		1223
1127	object *prev = this;	1224	object *prev = this;
1128		1225
1129	for (archetype *at = arch->more; at; at = at->more)	1226	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1130	{	1227	{
1131	object *op = arch_to_object (at);	1228	object *op = arch_to_object (at);
1132		1229
1133	op->name = name;	1230	op->name = name;
1134	op->name_pl = name_pl;	1231	op->name_pl = name_pl;
…		…
1146	* job preparing multi-part monsters.	1243	* job preparing multi-part monsters.
1147	*/	1244	*/
1148	object *	1245	object *
1149	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1246	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1150	{	1247	{
		1248	op->remove ();
		1249
1151	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1250	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1152	{	1251	{
1153	tmp->x = x + tmp->arch->clone.x;	1252	tmp->x = x + tmp->arch->x;
1154	tmp->y = y + tmp->arch->clone.y;	1253	tmp->y = y + tmp->arch->y;
1155	}	1254	}
1156		1255
1157	return insert_ob_in_map (op, m, originator, flag);	1256	return insert_ob_in_map (op, m, originator, flag);
1158	}	1257	}
1159		1258
…		…
1178	* just 'op' otherwise	1277	* just 'op' otherwise
1179	*/	1278	*/
1180	object *	1279	object *
1181	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1280	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1182	{	1281	{
1183	assert (!op->flag [FLAG_FREED]);
1184
1185	object *tmp, *top, *floor = NULL;
1186
1187	op->remove ();	1282	op->remove ();
1188		1283
1189	#if 0	1284	if (m == &freed_map)//D TODO: remove soon
1190	if (!m->active != !op->active)
1191	if (m->active)
1192	op->activate_recursive ();
1193	else
1194	op->deactivate_recursive ();
1195	#endif
1196
1197	if (out_of_map (m, op->x, op->y))
1198	{	1285	{//D
1199	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());	1286	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1200	#ifdef MANY_CORES
1201	/* Better to catch this here, as otherwise the next use of this object
1202	* is likely to cause a crash. Better to find out where it is getting
1203	* improperly inserted.
1204	*/
1205	abort ();
1206	#endif
1207	return op;
1208	}	1287	}//D
1209
1210	if (object *more = op->more)
1211	{
1212	if (!insert_ob_in_map (more, m, originator, flag))
1213	{
1214	if (!op->head)
1215	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1216
1217	return 0;
1218	}
1219	}
1220
1221	CLEAR_FLAG (op, FLAG_REMOVED);
1222		1288
1223	/* Ideally, the caller figures this out. However, it complicates a lot	1289	/* Ideally, the caller figures this out. However, it complicates a lot
1224	* of areas of callers (eg, anything that uses find_free_spot would now	1290	* of areas of callers (eg, anything that uses find_free_spot would now
1225	* need extra work	1291	* need extra work
1226	*/	1292	*/
		1293	maptile *newmap = m;
1227	if (!xy_normalise (m, op->x, op->y))	1294	if (!xy_normalise (newmap, op->x, op->y))
		1295	{
		1296	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1228	return 0;	1297	return 0;
		1298	}
1229		1299
		1300	if (object *more = op->more)
		1301	if (!insert_ob_in_map (more, m, originator, flag))
		1302	return 0;
		1303
		1304	op->flag [FLAG_REMOVED] = false;
		1305	op->env = 0;
1230	op->map = m;	1306	op->map = newmap;
		1307
1231	mapspace &ms = op->ms ();	1308	mapspace &ms = op->ms ();
1232		1309
1233	/* this has to be done after we translate the coordinates.	1310	/* this has to be done after we translate the coordinates.
1234	*/	1311	*/
1235	if (op->nrof && !(flag & INS_NO_MERGE))	1312	if (op->nrof && !(flag & INS_NO_MERGE))
1236	for (tmp = ms.bot; tmp; tmp = tmp->above)	1313	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1237	if (object::can_merge (op, tmp))	1314	if (object::can_merge (op, tmp))
1238	{	1315	{
		1316	// TODO: we actually want to update tmp, not op,
		1317	// but some caller surely breaks when we return tmp
		1318	// from here :/
1239	op->nrof += tmp->nrof;	1319	op->nrof += tmp->nrof;
1240	tmp->destroy ();	1320	tmp->destroy ();
1241	}	1321	}
1242		1322
1243	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1323	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1252	{	1332	{
1253	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1333	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1254	abort ();	1334	abort ();
1255	}	1335	}
1256		1336
		1337	if (!originator->is_on_map ())
		1338	{
		1339	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1340	op->debug_desc (), originator->debug_desc ());
		1341	abort ();
		1342	}
		1343
1257	op->above = originator;	1344	op->above = originator;
1258	op->below = originator->below;	1345	op->below = originator->below;
1259
1260	if (op->below)
1261	op->below->above = op;
1262	else
1263	ms.bot = op;
1264
1265	/* since *below* originator, no need to update top */
1266	originator->below = op;	1346	originator->below = op;
		1347
		1348	*(op->below ? &op->below->above : &ms.bot) = op;
1267	}	1349	}
1268	else	1350	else
1269	{	1351	{
1270	top = ms.bot;	1352	object *floor = 0;
		1353	object *top = ms.top;
1271		1354
1272	/* If there are other objects, then */	1355	/* If there are other objects, then */
1273	if ((!(flag & INS_MAP_LOAD)) && top)	1356	if (top)
1274	{	1357	{
1275	object *last = 0;
1276
1277	/*	1358	/*
1278	* If there are multiple objects on this space, we do some trickier handling.	1359	* If there are multiple objects on this space, we do some trickier handling.
1279	* We've already dealt with merging if appropriate.	1360	* We've already dealt with merging if appropriate.
1280	* Generally, we want to put the new object on top. But if	1361	* Generally, we want to put the new object on top. But if
1281	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1362	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1284	* once we get to them. This reduces the need to traverse over all of	1365	* once we get to them. This reduces the need to traverse over all of
1285	* them when adding another one - this saves quite a bit of cpu time	1366	* them when adding another one - this saves quite a bit of cpu time
1286	* when lots of spells are cast in one area. Currently, it is presumed	1367	* when lots of spells are cast in one area. Currently, it is presumed
1287	* that flying non pickable objects are spell objects.	1368	* that flying non pickable objects are spell objects.
1288	*/	1369	*/
1289	for (top = ms.bot; top; top = top->above)	1370	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1290	{	1371	{
1291	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1372	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1292	floor = top;	1373	floor = tmp;
1293		1374
1294	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1375	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1295	{	1376	{
1296	/* We insert above top, so we want this object below this */	1377	/* We insert above top, so we want this object below this */
1297	top = top->below;	1378	top = tmp->below;
1298	break;	1379	break;
1299	}	1380	}
1300		1381
1301	last = top;	1382	top = tmp;
1302	}	1383	}
1303
1304	/* Don't want top to be NULL, so set it to the last valid object */
1305	top = last;
1306		1384
1307	/* We let update_position deal with figuring out what the space	1385	/* We let update_position deal with figuring out what the space
1308	* looks like instead of lots of conditions here.	1386	* looks like instead of lots of conditions here.
1309	* makes things faster, and effectively the same result.	1387	* makes things faster, and effectively the same result.
1310	*/	1388	*/
…		…
1317	*/	1395	*/
1318	if (!(flag & INS_ON_TOP)	1396	if (!(flag & INS_ON_TOP)
1319	&& ms.flags () & P_BLOCKSVIEW	1397	&& ms.flags () & P_BLOCKSVIEW
1320	&& (op->face && !faces [op->face].visibility))	1398	&& (op->face && !faces [op->face].visibility))
1321	{	1399	{
		1400	object *last;
		1401
1322	for (last = top; last != floor; last = last->below)	1402	for (last = top; last != floor; last = last->below)
1323	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1403	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1324	break;	1404	break;
1325		1405
1326	/* Check to see if we found the object that blocks view,	1406	/* Check to see if we found the object that blocks view,
…		…
1331	if (last && last->below && last != floor)	1411	if (last && last->below && last != floor)
1332	top = last->below;	1412	top = last->below;
1333	}	1413	}
1334	} /* If objects on this space */	1414	} /* If objects on this space */
1335		1415
1336	if (flag & INS_MAP_LOAD)
1337	top = ms.top;
1338
1339	if (flag & INS_ABOVE_FLOOR_ONLY)	1416	if (flag & INS_ABOVE_FLOOR_ONLY)
1340	top = floor;	1417	top = floor;
1341		1418
1342	/* Top is the object that our object (op) is going to get inserted above.	1419	// insert object above top, or bottom-most if top = 0
1343	*/
1344
1345	/* First object on this space */
1346	if (!top)	1420	if (!top)
1347	{	1421	{
		1422	op->below = 0;
1348	op->above = ms.bot;	1423	op->above = ms.bot;
1349
1350	if (op->above)
1351	op->above->below = op;
1352
1353	op->below = 0;
1354	ms.bot = op;	1424	ms.bot = op;
		1425
		1426	*(op->above ? &op->above->below : &ms.top) = op;
1355	}	1427	}
1356	else	1428	else
1357	{ /* get inserted into the stack above top */	1429	{
1358	op->above = top->above;	1430	op->above = top->above;
1359
1360	if (op->above)
1361	op->above->below = op;	1431	top->above = op;
1362		1432
1363	op->below = top;	1433	op->below = top;
1364	top->above = op;	1434	*(op->above ? &op->above->below : &ms.top) = op;
1365	}	1435	}
		1436	}
1366		1437
1367	if (!op->above)	1438	if (op->is_player ())
1368	ms.top = op;
1369	} /* else not INS_BELOW_ORIGINATOR */
1370
1371	if (op->type == PLAYER)
1372	{	1439	{
1373	op->contr->do_los = 1;	1440	op->contr->do_los = 1;
1374	++op->map->players;	1441	++op->map->players;
1375	op->map->touch ();	1442	op->map->touch ();
1376	}	1443	}
1377		1444
1378	op->map->dirty = true;	1445	op->map->dirty = true;
1379		1446
1380	/* If we have a floor, we know the player, if any, will be above
1381	* it, so save a few ticks and start from there.
1382	*/
1383	if (!(flag & INS_MAP_LOAD))
1384	if (object *pl = ms.player ())	1447	if (object *pl = ms.player ())
		1448	//TODO: the floorbox prev/next might need updating
		1449	//esrv_send_item (pl, op);
		1450	//TODO: update floorbox to preserve ordering
1385	if (pl->contr->ns)	1451	if (pl->contr->ns)
1386	pl->contr->ns->floorbox_update ();	1452	pl->contr->ns->floorbox_update ();
1387		1453
1388	/* If this object glows, it may affect lighting conditions that are	1454	/* If this object glows, it may affect lighting conditions that are
1389	* visible to others on this map. But update_all_los is really	1455	* visible to others on this map. But update_all_los is really
1390	* an inefficient way to do this, as it means los for all players	1456	* an inefficient way to do this, as it means los for all players
1391	* on the map will get recalculated. The players could very well	1457	* on the map will get recalculated. The players could very well
1392	* be far away from this change and not affected in any way -	1458	* be far away from this change and not affected in any way -
1393	* this should get redone to only look for players within range,	1459	* this should get redone to only look for players within range,
1394	* or just updating the P_UPTODATE for spaces within this area	1460	* or just updating the P_UPTODATE for spaces within this area
1395	* of effect may be sufficient.	1461	* of effect may be sufficient.
1396	*/	1462	*/
1397	if (op->map->darkness && (op->glow_radius != 0))	1463	if (op->affects_los ())
		1464	{
		1465	op->ms ().invalidate ();
1398	update_all_los (op->map, op->x, op->y);	1466	update_all_los (op->map, op->x, op->y);
		1467	}
1399		1468
1400	/* updates flags (blocked, alive, no magic, etc) for this map space */	1469	/* updates flags (blocked, alive, no magic, etc) for this map space */
1401	update_object (op, UP_OBJ_INSERT);	1470	update_object (op, UP_OBJ_INSERT);
1402		1471
1403	INVOKE_OBJECT (INSERT, op);	1472	INVOKE_OBJECT (INSERT, op);
…		…
1410	* blocked() and wall() work properly), and these flags are updated by	1479	* blocked() and wall() work properly), and these flags are updated by
1411	* update_object().	1480	* update_object().
1412	*/	1481	*/
1413		1482
1414	/* if this is not the head or flag has been passed, don't check walk on status */	1483	/* if this is not the head or flag has been passed, don't check walk on status */
1415	if (!(flag & INS_NO_WALK_ON) && !op->head)	1484	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1416	{	1485	{
1417	if (check_move_on (op, originator))	1486	if (check_move_on (op, originator))
1418	return 0;	1487	return 0;
1419		1488
1420	/* If we are a multi part object, lets work our way through the check	1489	/* If we are a multi part object, lets work our way through the check
1421	* walk on's.	1490	* walk on's.
1422	*/	1491	*/
1423	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1492	for (object *tmp = op->more; tmp; tmp = tmp->more)
1424	if (check_move_on (tmp, originator))	1493	if (check_move_on (tmp, originator))
1425	return 0;	1494	return 0;
1426	}	1495	}
1427		1496
1428	return op;	1497	return op;
…		…
1431	/* this function inserts an object in the map, but if it	1500	/* this function inserts an object in the map, but if it
1432	* finds an object of its own type, it'll remove that one first.	1501	* finds an object of its own type, it'll remove that one first.
1433	* op is the object to insert it under: supplies x and the map.	1502	* op is the object to insert it under: supplies x and the map.
1434	*/	1503	*/
1435	void	1504	void
1436	replace_insert_ob_in_map (const char *arch_string, object *op)	1505	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1437	{	1506	{
1438	object *tmp, *tmp1;
1439
1440	/* first search for itself and remove any old instances */	1507	/* first search for itself and remove any old instances */
1441		1508
1442	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1509	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1443	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1510	if (tmp->arch->archname == archname) /* same archetype */
1444	tmp->destroy ();	1511	tmp->destroy ();
1445		1512
1446	tmp1 = arch_to_object (archetype::find (arch_string));	1513	object *tmp = arch_to_object (archetype::find (archname));
1447		1514
1448	tmp1->x = op->x;	1515	tmp->x = op->x;
1449	tmp1->y = op->y;	1516	tmp->y = op->y;
		1517
1450	insert_ob_in_map (tmp1, op->map, op, 0);	1518	insert_ob_in_map (tmp, op->map, op, 0);
1451	}	1519	}
1452		1520
1453	object *	1521	object *
1454	object::insert_at (object *where, object *originator, int flags)	1522	object::insert_at (object *where, object *originator, int flags)
1455	{	1523	{
		1524	if (where->env)
		1525	return where->env->insert (this);
		1526	else
1456	return where->map->insert (this, where->x, where->y, originator, flags);	1527	return where->map->insert (this, where->x, where->y, originator, flags);
1457	}	1528	}
1458		1529
1459	/*	1530	/*
1460	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1461	* is returned contains nr objects, and the remaining parts contains
1462	* the rest (or is removed and freed if that number is 0).
1463	* On failure, NULL is returned, and the reason put into the
1464	* global static errmsg array.
1465	*/
1466	object *
1467	get_split_ob (object *orig_ob, uint32 nr)
1468	{
1469	object *newob;
1470	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1471
1472	if (orig_ob->nrof < nr)
1473	{
1474	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1475	return NULL;
1476	}
1477
1478	newob = object_create_clone (orig_ob);
1479
1480	if ((orig_ob->nrof -= nr) < 1)
1481	orig_ob->destroy (1);
1482	else if (!is_removed)
1483	{
1484	if (orig_ob->env != NULL)
1485	sub_weight (orig_ob->env, orig_ob->weight * nr);
1486	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1487	{
1488	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1489	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1490	return NULL;
1491	}
1492	}
1493
1494	newob->nrof = nr;
1495
1496	return newob;
1497	}
1498
1499	/*
1500	* decrease_ob_nr(object, number) decreases a specified number from	1531	* decrease(object, number) decreases a specified number from
1501	* the amount of an object. If the amount reaches 0, the object	1532	* the amount of an object. If the amount reaches 0, the object
1502	* is subsequently removed and freed.	1533	* is subsequently removed and freed.
1503	*	1534	*
1504	* Return value: 'op' if something is left, NULL if the amount reached 0	1535	* Return value: 'op' if something is left, NULL if the amount reached 0
1505	*/	1536	*/
		1537	bool
		1538	object::decrease (sint32 nr)
		1539	{
		1540	if (!nr)
		1541	return true;
		1542
		1543	nr = min (nr, nrof);
		1544
		1545	if (nrof > nr)
		1546	{
		1547	nrof -= nr;
		1548	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1549
		1550	if (object *pl = visible_to ())
		1551	esrv_update_item (UPD_NROF, pl, this);
		1552
		1553	return true;
		1554	}
		1555	else
		1556	{
		1557	destroy ();
		1558	return false;
		1559	}
		1560	}
		1561
		1562	/*
		1563	* split(ob,nr) splits up ob into two parts. The part which
		1564	* is returned contains nr objects, and the remaining parts contains
		1565	* the rest (or is removed and returned if that number is 0).
		1566	* On failure, NULL is returned.
		1567	*/
1506	object *	1568	object *
1507	decrease_ob_nr (object *op, uint32 i)	1569	object::split (sint32 nr)
1508	{	1570	{
1509	object *tmp;	1571	int have = number_of ();
1510		1572
1511	if (i == 0) /* objects with op->nrof require this check */	1573	if (have < nr)
1512	return op;	1574	return 0;
1513		1575	else if (have == nr)
1514	if (i > op->nrof)
1515	i = op->nrof;
1516
1517	if (QUERY_FLAG (op, FLAG_REMOVED))
1518	op->nrof -= i;
1519	else if (op->env)
1520	{	1576	{
1521	/* is this object in the players inventory, or sub container
1522	* therein?
1523	*/
1524	tmp = op->in_player ();
1525	/* nope. Is this a container the player has opened?
1526	* If so, set tmp to that player.
1527	* IMO, searching through all the players will mostly
1528	* likely be quicker than following op->env to the map,
1529	* and then searching the map for a player.
1530	*/
1531	if (!tmp)
1532	for_all_players (pl)
1533	if (pl->ob->container == op->env)
1534	{
1535	tmp = pl->ob;
1536	break;
1537	}
1538
1539	if (i < op->nrof)
1540	{
1541	sub_weight (op->env, op->weight * i);
1542	op->nrof -= i;
1543	if (tmp)
1544	esrv_send_item (tmp, op);
1545	}
1546	else
1547	{
1548	op->remove ();	1577	remove ();
1549	op->nrof = 0;	1578	return this;
1550	if (tmp)
1551	esrv_del_item (tmp->contr, op->count);
1552	}
1553	}	1579	}
1554	else	1580	else
1555	{	1581	{
1556	object *above = op->above;	1582	decrease (nr);
1557		1583
1558	if (i < op->nrof)	1584	object *op = deep_clone ();
1559	op->nrof -= i;	1585	op->nrof = nr;
1560	else
1561	{
1562	op->remove ();
1563	op->nrof = 0;
1564	}
1565
1566	/* Since we just removed op, op->above is null */
1567	for (tmp = above; tmp; tmp = tmp->above)
1568	if (tmp->type == PLAYER)
1569	{
1570	if (op->nrof)
1571	esrv_send_item (tmp, op);
1572	else
1573	esrv_del_item (tmp->contr, op->count);
1574	}
1575	}
1576
1577	if (op->nrof)
1578	return op;	1586	return op;
1579	else
1580	{
1581	op->destroy ();
1582	return 0;
1583	}
1584	}
1585
1586	/*
1587	* add_weight(object, weight) adds the specified weight to an object,
1588	* and also updates how much the environment(s) is/are carrying.
1589	*/
1590	void
1591	add_weight (object *op, signed long weight)
1592	{
1593	while (op != NULL)
1594	{
1595	if (op->type == CONTAINER)
1596	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1597
1598	op->carrying += weight;
1599	op = op->env;
1600	}	1587	}
1601	}	1588	}
1602		1589
1603	object *	1590	object *
1604	insert_ob_in_ob (object *op, object *where)	1591	insert_ob_in_ob (object *op, object *where)
…		…
1609	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1596	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1610	free (dump);	1597	free (dump);
1611	return op;	1598	return op;
1612	}	1599	}
1613		1600
1614	if (where->head)	1601	if (where->head_ () != where)
1615	{	1602	{
1616	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1603	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1617	where = where->head;	1604	where = where->head;
1618	}	1605	}
1619		1606
1620	return where->insert (op);	1607	return where->insert (op);
1621	}	1608	}
…		…
1629	* be != op, if items are merged. -Tero	1616	* be != op, if items are merged. -Tero
1630	*/	1617	*/
1631	object *	1618	object *
1632	object::insert (object *op)	1619	object::insert (object *op)
1633	{	1620	{
1634	object *tmp, *otmp;
1635
1636	if (!QUERY_FLAG (op, FLAG_REMOVED))
1637	op->remove ();
1638
1639	if (op->more)	1621	if (op->more)
1640	{	1622	{
1641	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1623	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1642	return op;	1624	return op;
1643	}	1625	}
1644		1626
1645	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1627	op->remove ();
1646	CLEAR_FLAG (op, FLAG_REMOVED);	1628
		1629	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1630
1647	if (op->nrof)	1631	if (op->nrof)
1648	{
1649	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1632	for (object *tmp = inv; tmp; tmp = tmp->below)
1650	if (object::can_merge (tmp, op))	1633	if (object::can_merge (tmp, op))
1651	{	1634	{
1652	/* return the original object and remove inserted object	1635	/* return the original object and remove inserted object
1653	(client needs the original object) */	1636	(client needs the original object) */
1654	tmp->nrof += op->nrof;	1637	tmp->nrof += op->nrof;
1655	/* Weight handling gets pretty funky. Since we are adding to	1638
1656	* tmp->nrof, we need to increase the weight.	1639	if (object *pl = tmp->visible_to ())
1657	*/	1640	esrv_update_item (UPD_NROF, pl, tmp);
		1641
1658	add_weight (this, op->weight * op->nrof);	1642	adjust_weight (this, op->total_weight ());
1659	SET_FLAG (op, FLAG_REMOVED);	1643
1660	op->destroy (); /* free the inserted object */	1644	op->destroy ();
1661	op = tmp;	1645	op = tmp;
1662	op->remove (); /* and fix old object's links */	1646	goto inserted;
1663	CLEAR_FLAG (op, FLAG_REMOVED);
1664	break;
1665	}	1647	}
1666		1648
1667	/* I assume combined objects have no inventory	1649	op->owner = 0; // it's his/hers now. period.
1668	* We add the weight - this object could have just been removed
1669	* (if it was possible to merge). calling remove_ob will subtract
1670	* the weight, so we need to add it in again, since we actually do
1671	* the linking below
1672	*/
1673	add_weight (this, op->weight * op->nrof);
1674	}
1675	else
1676	add_weight (this, (op->weight + op->carrying));
1677
1678	otmp = this->in_player ();
1679	if (otmp && otmp->contr)
1680	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1681	otmp->update_stats ();
1682
1683	op->map = 0;	1650	op->map = 0;
1684	op->env = this;	1651	op->x = 0;
		1652	op->y = 0;
		1653
1685	op->above = 0;	1654	op->above = 0;
1686	op->below = 0;	1655	op->below = inv;
1687	op->x = 0, op->y = 0;	1656	op->env = this;
1688		1657
		1658	if (inv)
		1659	inv->above = op;
		1660
		1661	inv = op;
		1662
		1663	op->flag [FLAG_REMOVED] = 0;
		1664
		1665	if (object *pl = op->visible_to ())
		1666	esrv_send_item (pl, op);
		1667
		1668	adjust_weight (this, op->total_weight ());
		1669
		1670	inserted:
1689	/* reset the light list and los of the players on the map */	1671	/* reset the light list and los of the players on the map */
1690	if ((op->glow_radius != 0) && map)	1672	if (op->glow_radius && is_on_map ())
1691	{	1673	{
1692	#ifdef DEBUG_LIGHTS	1674	update_stats ();
1693	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1694	#endif /* DEBUG_LIGHTS */
1695	if (map->darkness)
1696	update_all_los (map, x, y);	1675	update_all_los (map, x, y);
1697	}
1698
1699	/* Client has no idea of ordering so lets not bother ordering it here.
1700	* It sure simplifies this function...
1701	*/
1702	if (!inv)
1703	inv = op;
1704	else
1705	{	1676	}
1706	op->below = inv;	1677	else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1707	op->below->above = op;	1678	// if this is a player's inventory, update stats
1708	inv = op;	1679	update_stats ();
1709	}
1710		1680
1711	INVOKE_OBJECT (INSERT, this);	1681	INVOKE_OBJECT (INSERT, this);
1712		1682
1713	return op;	1683	return op;
1714	}	1684	}
…		…
1734	* on top.	1704	* on top.
1735	*/	1705	*/
1736	int	1706	int
1737	check_move_on (object *op, object *originator)	1707	check_move_on (object *op, object *originator)
1738	{	1708	{
		1709	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1710	return 0;
		1711
1739	object *tmp;	1712	object *tmp;
1740	maptile *m = op->map;	1713	maptile *m = op->map;
1741	int x = op->x, y = op->y;	1714	int x = op->x, y = op->y;
1742		1715
1743	MoveType move_on, move_slow, move_block;	1716	mapspace &ms = m->at (x, y);
1744		1717
1745	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1718	ms.update ();
1746	return 0;
1747		1719
1748	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1720	MoveType move_on = ms.move_on;
1749	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1721	MoveType move_slow = ms.move_slow;
1750	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1722	MoveType move_block = ms.move_block;
1751		1723
1752	/* if nothing on this space will slow op down or be applied,	1724	/* if nothing on this space will slow op down or be applied,
1753	* no need to do checking below. have to make sure move_type	1725	* no need to do checking below. have to make sure move_type
1754	* is set, as lots of objects don't have it set - we treat that	1726	* is set, as lots of objects don't have it set - we treat that
1755	* as walking.	1727	* as walking.
…		…
1766	return 0;	1738	return 0;
1767		1739
1768	/* The objects have to be checked from top to bottom.	1740	/* The objects have to be checked from top to bottom.
1769	* Hence, we first go to the top:	1741	* Hence, we first go to the top:
1770	*/	1742	*/
1771		1743	for (object *next, *tmp = ms.top; tmp; tmp = next)
1772	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1773	{
1774	/* Trim the search when we find the first other spell effect
1775	* this helps performance so that if a space has 50 spell objects,
1776	* we don't need to check all of them.
1777	*/
1778	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1779	break;
1780	}	1744	{
		1745	next = tmp->below;
1781		1746
1782	for (; tmp; tmp = tmp->below)
1783	{
1784	if (tmp == op)	1747	if (tmp == op)
1785	continue; /* Can't apply yourself */	1748	continue; /* Can't apply yourself */
1786		1749
1787	/* Check to see if one of the movement types should be slowed down.	1750	/* Check to see if one of the movement types should be slowed down.
1788	* Second check makes sure that the movement types not being slowed	1751	* Second check makes sure that the movement types not being slowed
…		…
1793	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1756	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1794	{	1757	{
1795	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1758	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1796	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1759	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1797	{	1760	{
1798
1799	float
1800	diff = tmp->move_slow_penalty * fabs (op->speed);	1761	float diff = tmp->move_slow_penalty * fabs (op->speed);
1801		1762
1802	if (op->type == PLAYER)	1763	if (op->is_player ())
1803	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1764	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1804	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1765	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1805	diff /= 4.0;	1766	diff /= 4.0;
1806		1767
1807	op->speed_left -= diff;	1768	op->speed_left -= diff;
1808	}	1769	}
1809	}	1770	}
…		…
1842	LOG (llevError, "Present_arch called outside map.\n");	1803	LOG (llevError, "Present_arch called outside map.\n");
1843	return NULL;	1804	return NULL;
1844	}	1805	}
1845		1806
1846	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1807	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1847	if (tmp->arch == at)	1808	if (tmp->arch->archname == at->archname)
1848	return tmp;	1809	return tmp;
1849		1810
1850	return NULL;	1811	return NULL;
1851	}	1812	}
1852		1813
…		…
1916	* The first matching object is returned, or NULL if none.	1877	* The first matching object is returned, or NULL if none.
1917	*/	1878	*/
1918	object *	1879	object *
1919	present_arch_in_ob (const archetype *at, const object *op)	1880	present_arch_in_ob (const archetype *at, const object *op)
1920	{	1881	{
1921	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1882	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1922	if (tmp->arch == at)	1883	if (tmp->arch->archname == at->archname)
1923	return tmp;	1884	return tmp;
1924		1885
1925	return NULL;	1886	return NULL;
1926	}	1887	}
1927		1888
…		…
1929	* activate recursively a flag on an object inventory	1890	* activate recursively a flag on an object inventory
1930	*/	1891	*/
1931	void	1892	void
1932	flag_inv (object *op, int flag)	1893	flag_inv (object *op, int flag)
1933	{	1894	{
1934	if (op->inv)
1935	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1895	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1936	{	1896	{
1937	SET_FLAG (tmp, flag);	1897	SET_FLAG (tmp, flag);
1938	flag_inv (tmp, flag);	1898	flag_inv (tmp, flag);
1939	}	1899	}
1940	}	1900	}
1941		1901
1942	/*	1902	/*
1943	* deactivate recursively a flag on an object inventory	1903	* deactivate recursively a flag on an object inventory
1944	*/	1904	*/
1945	void	1905	void
1946	unflag_inv (object *op, int flag)	1906	unflag_inv (object *op, int flag)
1947	{	1907	{
1948	if (op->inv)
1949	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1908	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1950	{	1909	{
1951	CLEAR_FLAG (tmp, flag);	1910	CLEAR_FLAG (tmp, flag);
1952	unflag_inv (tmp, flag);	1911	unflag_inv (tmp, flag);
1953	}	1912	}
1954	}
1955
1956	/*
1957	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1958	* all it's inventory (recursively).
1959	* If checksums are used, a player will get set_cheat called for
1960	* him/her-self and all object carried by a call to this function.
1961	*/
1962	void
1963	set_cheat (object *op)
1964	{
1965	SET_FLAG (op, FLAG_WAS_WIZ);
1966	flag_inv (op, FLAG_WAS_WIZ);
1967	}	1913	}
1968		1914
1969	/*	1915	/*
1970	* find_free_spot(object, map, x, y, start, stop) will search for	1916	* find_free_spot(object, map, x, y, start, stop) will search for
1971	* a spot at the given map and coordinates which will be able to contain	1917	* a spot at the given map and coordinates which will be able to contain
…		…
1973	* to search (see the freearr_x/y[] definition).	1919	* to search (see the freearr_x/y[] definition).
1974	* It returns a random choice among the alternatives found.	1920	* It returns a random choice among the alternatives found.
1975	* start and stop are where to start relative to the free_arr array (1,9	1921	* start and stop are where to start relative to the free_arr array (1,9
1976	* does all 4 immediate directions). This returns the index into the	1922	* does all 4 immediate directions). This returns the index into the
1977	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1923	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1978	* Note - this only checks to see if there is space for the head of the
1979	* object - if it is a multispace object, this should be called for all
1980	* pieces.
1981	* Note2: This function does correctly handle tiled maps, but does not	1924	* Note: This function does correctly handle tiled maps, but does not
1982	* inform the caller. However, insert_ob_in_map will update as	1925	* inform the caller. However, insert_ob_in_map will update as
1983	* necessary, so the caller shouldn't need to do any special work.	1926	* necessary, so the caller shouldn't need to do any special work.
1984	* Note - updated to take an object instead of archetype - this is necessary	1927	* Note - updated to take an object instead of archetype - this is necessary
1985	* because arch_blocked (now ob_blocked) needs to know the movement type	1928	* because arch_blocked (now ob_blocked) needs to know the movement type
1986	* to know if the space in question will block the object. We can't use	1929	* to know if the space in question will block the object. We can't use
…		…
1988	* customized, changed states, etc.	1931	* customized, changed states, etc.
1989	*/	1932	*/
1990	int	1933	int
1991	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1934	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1992	{	1935	{
		1936	int altern[SIZEOFFREE];
1993	int index = 0, flag;	1937	int index = 0, flag;
1994	int altern[SIZEOFFREE];
1995		1938
1996	for (int i = start; i < stop; i++)	1939	for (int i = start; i < stop; i++)
1997	{	1940	{
1998	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1941	mapxy pos (m, x, y); pos.move (i);
1999	if (!flag)	1942
		1943	if (!pos.normalise ())
		1944	continue;
		1945
		1946	mapspace &ms = *pos;
		1947
		1948	if (ms.flags () & P_IS_ALIVE)
		1949	continue;
		1950
		1951	/* However, often
		1952	* ob doesn't have any move type (when used to place exits)
		1953	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1954	*/
		1955	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1956	{
2000	altern [index++] = i;	1957	altern [index++] = i;
		1958	continue;
		1959	}
2001		1960
2002	/* Basically, if we find a wall on a space, we cut down the search size.	1961	/* Basically, if we find a wall on a space, we cut down the search size.
2003	* In this way, we won't return spaces that are on another side of a wall.	1962	* In this way, we won't return spaces that are on another side of a wall.
2004	* This mostly work, but it cuts down the search size in all directions -	1963	* This mostly work, but it cuts down the search size in all directions -
2005	* if the space being examined only has a wall to the north and empty	1964	* if the space being examined only has a wall to the north and empty
2006	* spaces in all the other directions, this will reduce the search space	1965	* spaces in all the other directions, this will reduce the search space
2007	* to only the spaces immediately surrounding the target area, and	1966	* to only the spaces immediately surrounding the target area, and
2008	* won't look 2 spaces south of the target space.	1967	* won't look 2 spaces south of the target space.
2009	*/	1968	*/
2010	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1969	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1970	{
2011	stop = maxfree[i];	1971	stop = maxfree[i];
		1972	continue;
		1973	}
		1974
		1975	/* Note it is intentional that we check ob - the movement type of the
		1976	* head of the object should correspond for the entire object.
		1977	*/
		1978	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1979	continue;
		1980
		1981	if (ob->blocked (pos.m, pos.x, pos.y))
		1982	continue;
		1983
		1984	altern [index++] = i;
2012	}	1985	}
2013		1986
2014	if (!index)	1987	if (!index)
2015	return -1;	1988	return -1;
2016		1989
…		…
2025	*/	1998	*/
2026	int	1999	int
2027	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2000	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2028	{	2001	{
2029	for (int i = 0; i < SIZEOFFREE; i++)	2002	for (int i = 0; i < SIZEOFFREE; i++)
2030	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2003	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2031	return i;	2004	return i;
2032		2005
2033	return -1;	2006	return -1;
2034	}	2007	}
2035		2008
…		…
2081	* there is capable of.	2054	* there is capable of.
2082	*/	2055	*/
2083	int	2056	int
2084	find_dir (maptile *m, int x, int y, object *exclude)	2057	find_dir (maptile *m, int x, int y, object *exclude)
2085	{	2058	{
2086	int i, max = SIZEOFFREE, mflags;	2059	int max = SIZEOFFREE, mflags;
2087
2088	sint16 nx, ny;
2089	object *tmp;
2090	maptile *mp;
2091
2092	MoveType blocked, move_type;	2060	MoveType move_type;
2093		2061
2094	if (exclude && exclude->head)	2062	if (exclude && exclude->head_ () != exclude)
2095	{	2063	{
2096	exclude = exclude->head;	2064	exclude = exclude->head;
2097	move_type = exclude->move_type;	2065	move_type = exclude->move_type;
2098	}	2066	}
2099	else	2067	else
2100	{	2068	{
2101	/* If we don't have anything, presume it can use all movement types. */	2069	/* If we don't have anything, presume it can use all movement types. */
2102	move_type = MOVE_ALL;	2070	move_type = MOVE_ALL;
2103	}	2071	}
2104		2072
2105	for (i = 1; i < max; i++)	2073	for (int i = 1; i < max; i++)
2106	{	2074	{
2107	mp = m;	2075	mapxy pos (m, x, y);
2108	nx = x + freearr_x[i];	2076	pos.move (i);
2109	ny = y + freearr_y[i];
2110		2077
2111	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2078	if (!pos.normalise ())
2112
2113	if (mflags & P_OUT_OF_MAP)
2114	max = maxfree[i];	2079	max = maxfree[i];
2115	else	2080	else
2116	{	2081	{
2117	mapspace &ms = mp->at (nx, ny);	2082	mapspace &ms = *pos;
2118		2083
2119	blocked = ms.move_block;
2120
2121	if ((move_type & blocked) == move_type)	2084	if ((move_type & ms.move_block) == move_type)
2122	max = maxfree[i];	2085	max = maxfree [i];
2123	else if (mflags & P_IS_ALIVE)	2086	else if (ms.flags () & P_IS_ALIVE)
2124	{	2087	{
2125	for (tmp = ms.bot; tmp; tmp = tmp->above)	2088	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2126	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2089	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2127	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2090	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2128	break;
2129
2130	if (tmp)
2131	return freedir[i];	2091	return freedir [i];
2132	}	2092	}
2133	}	2093	}
2134	}	2094	}
2135		2095
2136	return 0;	2096	return 0;
…		…
2211	* This basically means that if direction is 15, then it could either go	2171	* This basically means that if direction is 15, then it could either go
2212	* direction 4, 14, or 16 to get back to where we are.	2172	* direction 4, 14, or 16 to get back to where we are.
2213	* Moved from spell_util.c to object.c with the other related direction	2173	* Moved from spell_util.c to object.c with the other related direction
2214	* functions.	2174	* functions.
2215	*/	2175	*/
2216	int reduction_dir[SIZEOFFREE][3] = {	2176	const int reduction_dir[SIZEOFFREE][3] = {
2217	{0, 0, 0}, /* 0 */	2177	{0, 0, 0}, /* 0 */
2218	{0, 0, 0}, /* 1 */	2178	{0, 0, 0}, /* 1 */
2219	{0, 0, 0}, /* 2 */	2179	{0, 0, 0}, /* 2 */
2220	{0, 0, 0}, /* 3 */	2180	{0, 0, 0}, /* 3 */
2221	{0, 0, 0}, /* 4 */	2181	{0, 0, 0}, /* 4 */
…		…
2312	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2272	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2313	* core dumps if they do.	2273	* core dumps if they do.
2314	*	2274	*
2315	* Add a check so we can't pick up invisible objects (0.93.8)	2275	* Add a check so we can't pick up invisible objects (0.93.8)
2316	*/	2276	*/
2317
2318	int	2277	int
2319	can_pick (const object *who, const object *item)	2278	can_pick (const object *who, const object *item)
2320	{	2279	{
2321	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2280	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2322	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2281	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2323	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2282	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2324	}	2283	}
2325		2284
2326	/*	2285	/*
2327	* create clone from object to another	2286	* create clone from object to another
2328	*/	2287	*/
2329	object *	2288	object *
2330	object_create_clone (object *asrc)	2289	object::deep_clone ()
2331	{	2290	{
2332	object *dst = 0, *tmp, *src, *part, *prev, *item;	2291	assert (("deep_clone called on non-head object", is_head ()));
2333		2292
2334	if (!asrc)	2293	object *dst = clone ();
2335	return 0;
2336		2294
2337	src = asrc;	2295	object *prev = dst;
2338	if (src->head)
2339	src = src->head;
2340
2341	prev = 0;
2342	for (part = src; part; part = part->more)	2296	for (object *part = this->more; part; part = part->more)
2343	{	2297	{
2344	tmp = part->clone ();	2298	object *tmp = part->clone ();
2345	tmp->x -= src->x;
2346	tmp->y -= src->y;
2347
2348	if (!part->head)
2349	{
2350	dst = tmp;
2351	tmp->head = 0;
2352	}
2353	else
2354	tmp->head = dst;	2299	tmp->head = dst;
2355
2356	tmp->more = 0;
2357
2358	if (prev)
2359	prev->more = tmp;	2300	prev->more = tmp;
2360
2361	prev = tmp;	2301	prev = tmp;
2362	}	2302	}
2363		2303
2364	for (item = src->inv; item; item = item->below)	2304	for (object *item = inv; item; item = item->below)
2365	insert_ob_in_ob (object_create_clone (item), dst);	2305	insert_ob_in_ob (item->deep_clone (), dst);
2366		2306
2367	return dst;	2307	return dst;
2368	}	2308	}
2369		2309
2370	/* This returns the first object in who's inventory that	2310	/* This returns the first object in who's inventory that
…		…
2379	return tmp;	2319	return tmp;
2380		2320
2381	return 0;	2321	return 0;
2382	}	2322	}
2383		2323
2384	/* If ob has a field named key, return the link from the list,	2324	shstr_tmp
2385	* otherwise return NULL.	2325	object::kv_get (shstr_tmp key) const
2386	*
2387	* key must be a passed in shared string - otherwise, this won't
2388	* do the desired thing.
2389	*/
2390	key_value *
2391	get_ob_key_link (const object *ob, const char *key)
2392	{	2326	{
2393	for (key_value *link = ob->key_values; link; link = link->next)	2327	for (key_value *kv = key_values; kv; kv = kv->next)
2394	if (link->key == key)	2328	if (kv->key == key)
2395	return link;
2396
2397	return 0;
2398	}
2399
2400	/*
2401	* Returns the value of op has an extra_field for key, or NULL.
2402	*
2403	* The argument doesn't need to be a shared string.
2404	*
2405	* The returned string is shared.
2406	*/
2407	const char *
2408	get_ob_key_value (const object *op, const char *const key)
2409	{
2410	key_value *link;
2411	shstr_cmp canonical_key (key);
2412
2413	if (!canonical_key)
2414	{
2415	/* 1. There being a field named key on any object
2416	* implies there'd be a shared string to find.
2417	* 2. Since there isn't, no object has this field.
2418	* 3. Therefore, *this* object doesn't have this field.
2419	*/
2420	return 0;
2421	}
2422
2423	/* This is copied from get_ob_key_link() above -
2424	* only 4 lines, and saves the function call overhead.
2425	*/
2426	for (link = op->key_values; link; link = link->next)
2427	if (link->key == canonical_key)
2428	return link->value;	2329	return kv->value;
2429		2330
2430	return 0;	2331	return shstr ();
2431	}	2332	}
2432		2333
2433	/*	2334	void
2434	* Updates the canonical_key in op to value.	2335	object::kv_set (shstr_tmp key, shstr_tmp value)
2435	*
2436	* canonical_key is a shared string (value doesn't have to be).
2437	*
2438	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2439	* keys.
2440	*
2441	* Returns TRUE on success.
2442	*/
2443	int
2444	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2445	{	2336	{
2446	key_value *field = NULL, *last = NULL;	2337	for (key_value *kv = key_values; kv; kv = kv->next)
2447		2338	if (kv->key == key)
2448	for (field = op->key_values; field != NULL; field = field->next)
2449	{
2450	if (field->key != canonical_key)
2451	{	2339	{
2452	last = field;	2340	kv->value = value;
2453	continue;	2341	return;
2454	}	2342	}
2455		2343
2456	if (value)	2344	key_value *kv = new key_value;
2457	field->value = value;	2345
2458	else	2346	kv->next = key_values;
		2347	kv->key = key;
		2348	kv->value = value;
		2349
		2350	key_values = kv;
		2351	}
		2352
		2353	void
		2354	object::kv_del (shstr_tmp key)
		2355	{
		2356	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2357	if ((*kvp)->key == key)
2459	{	2358	{
2460	/* Basically, if the archetype has this key set,	2359	key_value *kv = *kvp;
2461	* we need to store the null value so when we save	2360	*kvp = (*kvp)->next;
2462	* it, we save the empty value so that when we load,	2361	delete kv;
2463	* we get this value back again.	2362	return;
2464	*/
2465	if (get_ob_key_link (&op->arch->clone, canonical_key))
2466	field->value = 0;
2467	else
2468	{
2469	if (last)
2470	last->next = field->next;
2471	else
2472	op->key_values = field->next;
2473
2474	delete field;
2475	}
2476	}	2363	}
2477	return TRUE;
2478	}
2479	/* IF we get here, key doesn't exist */
2480
2481	/* No field, we'll have to add it. */
2482
2483	if (!add_key)
2484	return FALSE;
2485
2486	/* There isn't any good reason to store a null
2487	* value in the key/value list. If the archetype has
2488	* this key, then we should also have it, so shouldn't
2489	* be here. If user wants to store empty strings,
2490	* should pass in ""
2491	*/
2492	if (value == NULL)
2493	return TRUE;
2494
2495	field = new key_value;
2496
2497	field->key = canonical_key;
2498	field->value = value;
2499	/* Usual prepend-addition. */
2500	field->next = op->key_values;
2501	op->key_values = field;
2502
2503	return TRUE;
2504	}
2505
2506	/*
2507	* Updates the key in op to value.
2508	*
2509	* If add_key is FALSE, this will only update existing keys,
2510	* and not add new ones.
2511	* In general, should be little reason FALSE is ever passed in for add_key
2512	*
2513	* Returns TRUE on success.
2514	*/
2515	int
2516	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2517	{
2518	shstr key_ (key);
2519
2520	return set_ob_key_value_s (op, key_, value, add_key);
2521	}	2364	}
2522		2365
2523	object::depth_iterator::depth_iterator (object *container)	2366	object::depth_iterator::depth_iterator (object *container)
2524	: iterator_base (container)	2367	: iterator_base (container)
2525	{	2368	{
…		…
2538	item = item->inv;	2381	item = item->inv;
2539	}	2382	}
2540	else	2383	else
2541	item = item->env;	2384	item = item->env;
2542	}	2385	}
2543
2544		2386
2545	const char *	2387	const char *
2546	object::flag_desc (char *desc, int len) const	2388	object::flag_desc (char *desc, int len) const
2547	{	2389	{
2548	char *p = desc;	2390	char *p = desc;
…		…
2576	{	2418	{
2577	char flagdesc[512];	2419	char flagdesc[512];
2578	char info2[256 * 4];	2420	char info2[256 * 4];
2579	char *p = info;	2421	char *p = info;
2580		2422
2581	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2423	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2582	count, uuid.seq,	2424	count,
		2425	uuid.c_str (),
2583	&name,	2426	&name,
2584	title ? "\",title:\"" : "",	2427	title ? ",title:\"" : "",
2585	title ? (const char *)title : "",	2428	title ? (const char *)title : "",
		2429	title ? "\"" : "",
2586	flag_desc (flagdesc, 512), type);	2430	flag_desc (flagdesc, 512), type);
2587		2431
2588	if (env)	2432	if (!flag[FLAG_REMOVED] && env)
2589	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2433	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2590		2434
2591	if (map)	2435	if (map)
2592	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2436	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2593		2437
…		…
2611	}	2455	}
2612		2456
2613	const materialtype_t *	2457	const materialtype_t *
2614	object::dominant_material () const	2458	object::dominant_material () const
2615	{	2459	{
2616	if (materialtype_t *mat = name_to_material (materialname))	2460	if (materialtype_t *mt = name_to_material (materialname))
2617	return mat;	2461	return mt;
2618		2462
2619	// omfg this is slow, this has to be temporary :)
2620	shstr unknown ("unknown");
2621
2622	return name_to_material (unknown);	2463	return name_to_material (shstr_unknown);
2623	}	2464	}
2624		2465
2625	void	2466	void
2626	object::open_container (object *new_container)	2467	object::open_container (object *new_container)
2627	{	2468	{
2628	if (container == new_container)	2469	if (container == new_container)
2629	return;	2470	return;
2630		2471
2631	if (object *old_container = container)	2472	object *old_container = container;
		2473
		2474	if (old_container)
2632	{	2475	{
2633	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2476	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2634	return;	2477	return;
2635		2478
2636	#if 0	2479	#if 0
…		…
2638	if (object *closer = old_container->inv)	2481	if (object *closer = old_container->inv)
2639	if (closer->type == CLOSE_CON)	2482	if (closer->type == CLOSE_CON)
2640	closer->destroy ();	2483	closer->destroy ();
2641	#endif	2484	#endif
2642		2485
		2486	// make sure the container is available
		2487	esrv_send_item (this, old_container);
		2488
2643	old_container->flag [FLAG_APPLIED] = 0;	2489	old_container->flag [FLAG_APPLIED] = false;
2644	container = 0;	2490	container = 0;
2645		2491
		2492	// client needs item update to make it work, client bug requires this to be separate
2646	esrv_update_item (UPD_FLAGS, this, old_container);	2493	esrv_update_item (UPD_FLAGS, this, old_container);
		2494
2647	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2495	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2496	play_sound (sound_find ("chest_close"));
2648	}	2497	}
2649		2498
2650	if (new_container)	2499	if (new_container)
2651	{	2500	{
2652	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2501	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2661	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2510	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2662	new_container->insert (closer);	2511	new_container->insert (closer);
2663	}	2512	}
2664	#endif	2513	#endif
2665		2514
2666	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2515	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2667		2516
		2517	// make sure the container is available, client bug requires this to be separate
		2518	esrv_send_item (this, new_container);
		2519
2668	new_container->flag [FLAG_APPLIED] = 1;	2520	new_container->flag [FLAG_APPLIED] = true;
2669	container = new_container;	2521	container = new_container;
2670		2522
		2523	// client needs flag change
2671	esrv_update_item (UPD_FLAGS, this, new_container);	2524	esrv_update_item (UPD_FLAGS, this, new_container);
2672	esrv_send_inventory (this, new_container);	2525	esrv_send_inventory (this, new_container);
		2526	play_sound (sound_find ("chest_open"));
		2527	}
		2528	// else if (!old_container->env && contr && contr->ns)
		2529	// contr->ns->floorbox_reset ();
		2530	}
		2531
		2532	object *
		2533	object::force_find (shstr_tmp name)
		2534	{
		2535	/* cycle through his inventory to look for the MARK we want to
		2536	* place
		2537	*/
		2538	for (object *tmp = inv; tmp; tmp = tmp->below)
		2539	if (tmp->type == FORCE && tmp->slaying == name)
		2540	return splay (tmp);
		2541
		2542	return 0;
		2543	}
		2544
		2545	object *
		2546	object::force_add (shstr_tmp name, int duration)
		2547	{
		2548	if (object *force = force_find (name))
		2549	force->destroy ();
		2550
		2551	object *force = get_archetype (FORCE_NAME);
		2552
		2553	force->slaying = name;
		2554	force->stats.food = 1;
		2555	force->speed_left = -1.f;
		2556
		2557	force->set_speed (duration ? 1.f / duration : 0.f);
		2558	force->flag [FLAG_IS_USED_UP] = true;
		2559	force->flag [FLAG_APPLIED] = true;
		2560
		2561	return insert (force);
		2562	}
		2563
		2564	void
		2565	object::play_sound (faceidx sound) const
		2566	{
		2567	if (!sound)
		2568	return;
		2569
		2570	if (is_on_map ())
		2571	map->play_sound (sound, x, y);
		2572	else if (object *pl = in_player ())
		2573	pl->contr->play_sound (sound);
		2574	}
		2575
		2576	void
		2577	object::say_msg (const char *msg) const
		2578	{
		2579	if (is_on_map ())
		2580	map->say_msg (msg, x, y);
		2581	else if (object *pl = in_player ())
		2582	pl->contr->play_sound (sound);
		2583	}
		2584
		2585	void
		2586	object::make_noise ()
		2587	{
		2588	// we do not model noise in the map, so instead put
		2589	// a temporary light into the noise source
		2590	// could use the map instead, but that's less reliable for our
		2591	// goal, which is to make invisibility a bit harder to exploit
		2592
		2593	// currently only works sensibly for players
		2594	if (!is_player ())
		2595	return;
		2596
		2597	// find old force, or create new one
		2598	object *force = force_find (shstr_noise_force);
		2599
		2600	if (force)
		2601	force->speed_left = -1.f; // patch old speed up
		2602	else
2673	}	2603	{
2674	}	2604	force = archetype::get (shstr_noise_force);
2675		2605
		2606	force->slaying = shstr_noise_force;
		2607	force->stats.food = 1;
		2608	force->speed_left = -1.f;
2676		2609
		2610	force->set_speed (1.f / 4.f);
		2611	force->flag [FLAG_IS_USED_UP] = true;
		2612	force->flag [FLAG_APPLIED] = true;
		2613
		2614	insert (force);
		2615	}
		2616	}
		2617

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