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Comparing deliantra/server/common/object.C (file contents):
Revision 1.147 by root, Sat May 12 16:06:42 2007 UTC vs.
Revision 1.288 by root, Sat Oct 3 22:36:08 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>
34	#include <sproto.h>	29	#include <sproto.h>
35	#include <loader.h>	30	#include <loader.h>
36		31
37	#include <bitset>	32	#include <bitset>
38		33
39	int nrofallocobjects = 0;	34	UUID UUID::cur;
40	static UUID uuid;	35	static uint64_t seq_next_save;
41	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
42		38
43	objectvec objects;	39	objectvec objects;
44	activevec actives;	40	activevec actives;
45		41
46	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,
47	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
48	};	47	};
49	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,
50	-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
51	};	53	};
52	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,
53	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
54	};	59	};
55	int freedir[SIZEOFFREE] = {	60	int freedir[SIZEOFFREE] = {
56	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,
57	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
58	};	65	};
59		66
60	static void	67	static void
61	write_uuid (void)	68	write_uuid (uval64 skip, bool sync)
62	{	69	{
63	char filename1[MAX_BUF], filename2[MAX_BUF];	70	CALL_BEGIN (2);
64		71	CALL_ARG_SV (newSVval64 (skip));
65	sprintf (filename1, "%s/uuid", settings.localdir);	72	CALL_ARG_SV (boolSV (sync));
66	sprintf (filename2, "%s/uuid~", settings.localdir);	73	CALL_CALL ("cf::write_uuid", G_DISCARD);
67		74	CALL_END;
68	FILE *fp;
69
70	if (!(fp = fopen (filename2, "w")))
71	{
72	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
73	return;
74	}
75
76	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
77	fclose (fp);
78	rename (filename2, filename1);
79	}	75	}
80		76
81	static void	77	static void
82	read_uuid (void)	78	read_uuid (void)
83	{	79	{
84	char filename[MAX_BUF];	80	char filename[MAX_BUF];
85		81
86	sprintf (filename, "%s/uuid", settings.localdir);	82	sprintf (filename, "%s/uuid", settings.localdir);
		83
		84	seq_next_save = 0;
87		85
88	FILE *fp;	86	FILE *fp;
89		87
90	if (!(fp = fopen (filename, "r")))	88	if (!(fp = fopen (filename, "r")))
91	{	89	{
92	if (errno == ENOENT)	90	if (errno == ENOENT)
93	{	91	{
94	LOG (llevInfo, "RESET uid to 1\n");	92	LOG (llevInfo, "RESET uid to 1\n");
95	uuid.seq = 0;	93	UUID::cur.seq = 0;
96	write_uuid ();	94	write_uuid (UUID_GAP, true);
97	return;	95	return;
98	}	96	}
99		97
100	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	98	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
101	_exit (1);	99	_exit (1);
102	}	100	}
103		101
104	int version;	102	UUID::BUF buf;
105	unsigned long long uid;	103	buf[0] = 0;
106	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	104	fgets (buf, sizeof (buf), fp);
		105
		106	if (!UUID::cur.parse (buf))
107	{	107	{
108	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	108	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
109	_exit (1);	109	_exit (1);
110	}	110	}
111		111
112	uuid.seq = uid;	112	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
113	write_uuid ();	113
114	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	114	write_uuid (UUID_GAP, true);
115	fclose (fp);	115	fclose (fp);
116	}	116	}
117		117
118	UUID	118	UUID
119	gen_uuid ()	119	UUID::gen ()
120	{	120	{
121	UUID uid;	121	UUID uid;
122		122
123	uid.seq = ++uuid.seq;	123	uid.seq = ++cur.seq;
124		124
125	if (!(uuid.seq & (UUID_SKIP - 1)))	125	if (expect_false (cur.seq >= seq_next_save))
126	write_uuid ();	126	{
		127	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		128	write_uuid (UUID_GAP, false);
		129	}
		130
127		131
128	return uid;	132	return uid;
129	}	133	}
130		134
131	void	135	void
132	init_uuid ()	136	UUID::init ()
133	{	137	{
134	read_uuid ();	138	read_uuid ();
135	}	139	}
136		140
137	/* 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. */
138	static int	142	static bool
139	compare_ob_value_lists_one (const object *wants, const object *has)	143	compare_ob_value_lists_one (const object *wants, const object *has)
140	{	144	{
141	key_value *wants_field;
142
143	/* 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
144	* 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
145	* different structure or at least keep the lists sorted...	147	* different structure or at least keep the lists sorted...
146	*/	148	*/
147		149
148	/* For each field in wants, */	150	/* For each field in wants, */
149	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)
150	{	152	if (has->kv_get (kv->key) != kv->value)
151	key_value *has_field;	153	return false;
152
153	/* Look for a field in has with the same key. */
154	has_field = get_ob_key_link (has, wants_field->key);
155
156	if (has_field == NULL)
157	{
158	/* No field with that name. */
159	return FALSE;
160	}
161
162	/* Found the matching field. */
163	if (has_field->value != wants_field->value)
164	{
165	/* Values don't match, so this half of the comparison is false. */
166	return FALSE;
167	}
168
169	/* If we get here, we found a match. Now for the next field in wants. */
170	}
171		154
172	/* 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. */
173	return TRUE;	156	return true;
174	}	157	}
175		158
176	/* Returns TRUE if ob1 has the same key_values as ob2. */	159	/* Returns TRUE if ob1 has the same key_values as ob2. */
177	static int	160	static bool
178	compare_ob_value_lists (const object *ob1, const object *ob2)	161	compare_ob_value_lists (const object *ob1, const object *ob2)
179	{	162	{
180	/* 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,
181	* so we need to run the comparison *twice*. :(	164	* so we need to run the comparison *twice*. :(
182	*/	165	*/
183	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);
184	}	168	}
185		169
186	/* 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
187	* they can be merged together.	171	* they can be merged together.
188	*	172	*
…		…
203	|| ob1->speed != ob2->speed	187	|| ob1->speed != ob2->speed
204	|| ob1->value != ob2->value	188	|| ob1->value != ob2->value
205	|| ob1->name != ob2->name)	189	|| ob1->name != ob2->name)
206	return 0;	190	return 0;
207		191
208	//TODO: this ain't working well, use nicer and correct overflow check
209	/* 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
210	* value could not be stored in a sint32 (which unfortunately sometimes is	193	* is always 0 .. 2**31-1 */
211	* used to store nrof).	194	if (ob1->nrof > 0x7fffffff - ob2->nrof)
212	*/
213	if (ob1->nrof + ob2->nrof >= 1UL << 31)
214	return 0;	195	return 0;
215		196
216	/* If the objects have been identified, set the BEEN_APPLIED flag.	197	/* If the objects have been identified, set the BEEN_APPLIED flag.
217	* 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
218	* 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
219	* 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
220	* flags lose any meaning.	201	* flags lose any meaning.
221	*/	202	*/
222	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	203	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
223	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	204	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
224		205
225	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	206	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
226	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	207	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
227		208
228	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	209	if (ob1->arch->archname != ob2->arch->archname
229	|| ob1->arch != ob2->arch
230	|| ob1->name != ob2->name	210	|| ob1->name != ob2->name
231	|| ob1->title != ob2->title	211	|| ob1->title != ob2->title
232	|| ob1->msg != ob2->msg	212	|| ob1->msg != ob2->msg
233	|| ob1->weight != ob2->weight	213	|| ob1->weight != ob2->weight
234	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
235	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
236	|| ob1->attacktype != ob2->attacktype	214	|| ob1->attacktype != ob2->attacktype
237	|| ob1->magic != ob2->magic	215	|| ob1->magic != ob2->magic
238	|| ob1->slaying != ob2->slaying	216	|| ob1->slaying != ob2->slaying
239	|| ob1->skill != ob2->skill	217	|| ob1->skill != ob2->skill
240	|| ob1->value != ob2->value	218	|| ob1->value != ob2->value
241	|| 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
242	|| ob1->client_type != ob2->client_type	221	|| ob1->client_type != ob2->client_type
243	|| ob1->materialname != ob2->materialname	222	|| ob1->materialname != ob2->materialname
244	|| ob1->lore != ob2->lore	223	|| ob1->lore != ob2->lore
245	|| ob1->subtype != ob2->subtype	224	|| ob1->subtype != ob2->subtype
246	|| ob1->move_type != ob2->move_type	225	|| ob1->move_type != ob2->move_type
247	|| ob1->move_block != ob2->move_block	226	|| ob1->move_block != ob2->move_block
248	|| ob1->move_allow != ob2->move_allow	227	|| ob1->move_allow != ob2->move_allow
249	|| ob1->move_on != ob2->move_on	228	|| ob1->move_on != ob2->move_on
250	|| ob1->move_off != ob2->move_off	229	|| ob1->move_off != ob2->move_off
251	|| ob1->move_slow != ob2->move_slow	230	|| ob1->move_slow != ob2->move_slow
252	|| 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)))
253	return 0;	234	return 0;
254		235
		236	if ((ob1->flag ^ ob2->flag)
		237	.reset (FLAG_INV_LOCKED)
		238	.reset (FLAG_REMOVED)
		239	.any ())
		240	return 0;
		241
255	/* This is really a spellbook check - really, we should	242	/* This is really a spellbook check - we should in general
256	* check all objects in the inventory.	243	* not merge objects with real inventories, as splitting them
		244	* is hard.
257	*/	245	*/
258	if (ob1->inv || ob2->inv)	246	if (ob1->inv || ob2->inv)
259	{	247	{
260	/* if one object has inventory but the other doesn't, not equiv */	248	if (!(ob1->inv && ob2->inv))
261	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	249	return 0; /* inventories differ in length */
262	return 0;
263		250
264	/* 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
265	if (!object::can_merge (ob1->inv, ob2->inv))	254	if (!object::can_merge (ob1->inv, ob2->inv))
266	return 0;	255	return 0; /* inventory objects differ */
267		256
268	/* 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
269	* if it is valid.	258	* if it is valid.
270	*/	259	*/
271	}	260	}
…		…
290	if (ob1->level != ob2->level)	279	if (ob1->level != ob2->level)
291	return 0;	280	return 0;
292	break;	281	break;
293	}	282	}
294		283
295	if (ob1->key_values != NULL || ob2->key_values != NULL)	284	if (ob1->key_values || ob2->key_values)
296	{	285	{
297	/* At least one of these has key_values. */	286	/* At least one of these has key_values. */
298	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	287	if ((!ob1->key_values) != (!ob2->key_values))
299	/* 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))
300	return 0;	291	return 0;
301	else if (!compare_ob_value_lists (ob1, ob2))
302	return 0;
303	}	292	}
304		293
305	//TODO: generate an event or call into perl for additional checks
306	if (ob1->self || ob2->self)	294	if (ob1->self || ob2->self)
307	{	295	{
308	ob1->optimise ();	296	ob1->optimise ();
309	ob2->optimise ();	297	ob2->optimise ();
310		298
311	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)
312	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	}
313	}	313	}
314		314
315	/* Everything passes, must be OK. */	315	/* Everything passes, must be OK. */
316	return 1;	316	return 1;
317	}	317	}
318		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
319	/*	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	/*
320	* sum_weight() is a recursive function which calculates the weight	393	* this is a recursive function which calculates the weight
321	* 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
322	* containers are carrying, and sums it up.	395	* containers are carrying, and sums it up.
323	*/	396	*/
324	long	397	void
325	sum_weight (object *op)	398	object::update_weight ()
326	{	399	{
327	long sum;	400	sint32 sum = 0;
328	object *inv;
329		401
330	for (sum = 0, inv = op->inv; inv; inv = inv->below)	402	for (object *op = inv; op; op = op->below)
331	{	403	{
332	if (inv->inv)	404	if (op->inv)
333	sum_weight (inv);	405	op->update_weight ();
334		406
335	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)
336	}	413	{
337
338	if (op->type == CONTAINER && op->stats.Str)
339	sum = (sum * (100 - op->stats.Str)) / 100;
340
341	if (op->carrying != sum)
342	op->carrying = sum;	414	carrying = sum;
343		415
344	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	}
345	}	420	}
346		421
347	/**	422	/*
348	* Return the outermost environment object for a given object.	423	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
349	*/
350
351	object *
352	object_get_env_recursive (object *op)
353	{
354	while (op->env != NULL)
355	op = op->env;
356	return op;
357	}
358
359	/*
360	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
361	* Some error messages.
362	* The result of the dump is stored in the static global errmsg array.
363	*/	424	*/
364	char *	425	char *
365	dump_object (object *op)	426	dump_object (object *op)
366	{	427	{
367	if (!op)	428	if (!op)
…		…
375	/*	436	/*
376	* 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
377	* multi-object 1 which is closest to the second object.	438	* multi-object 1 which is closest to the second object.
378	* If it's not a multi-object, it is returned.	439	* If it's not a multi-object, it is returned.
379	*/	440	*/
380
381	object *	441	object *
382	get_nearest_part (object *op, const object *pl)	442	get_nearest_part (object *op, const object *pl)
383	{	443	{
384	object *tmp, *closest;	444	object *tmp, *closest;
385	int last_dist, i;	445	int last_dist, i;
386		446
387	if (op->more == NULL)	447	if (!op->more)
388	return op;	448	return op;
		449
389	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)
390	if ((i = distance (tmp, pl)) < last_dist)	453	if ((i = distance (tmp, pl)) < last_dist)
391	closest = tmp, last_dist = i;	454	closest = tmp, last_dist = i;
		455
392	return closest;	456	return closest;
393	}	457	}
394		458
395	/*	459	/*
396	* 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.
397	*/	462	*/
398	object *	463	object *
399	find_object (tag_t i)	464	find_object (tag_t i)
400	{	465	{
401	for_all_objects (op)	466	for_all_objects (op)
…		…
412	*/	477	*/
413	object *	478	object *
414	find_object_name (const char *str)	479	find_object_name (const char *str)
415	{	480	{
416	shstr_cmp str_ (str);	481	shstr_cmp str_ (str);
417	object *op;
418		482
		483	if (str_)
419	for_all_objects (op)	484	for_all_objects (op)
420	if (op->name == str_)	485	if (op->name == str_)
421	break;	486	return op;
422		487
423	return op;	488	return 0;
424	}
425
426	void
427	free_all_object_data ()
428	{
429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
430	}	489	}
431		490
432	/*	491	/*
433	* 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
434	* skill and experience objects.	493	* skill and experience objects.
		494	* ACTUALLY NO! investigate! TODO
435	*/	495	*/
436	void	496	void
437	object::set_owner (object *owner)	497	object::set_owner (object *owner)
438	{	498	{
		499	// allow objects which own objects
439	if (!owner)	500	if (owner)
440	return;
441
442	/* next line added to allow objects which own objects */
443	/* Add a check for ownercounts in here, as I got into an endless loop
444	* with the fireball owning a poison cloud which then owned the
445	* fireball. I believe that was caused by one of the objects getting
446	* freed and then another object replacing it. Since the ownercounts
447	* didn't match, this check is valid and I believe that cause is valid.
448	*/
449	while (owner->owner)	501	while (owner->owner)
450	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	}
451		509
452	this->owner = owner;	510	this->owner = owner;
		511	}
		512
		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;
453	}	528	}
454		529
455	bool	530	bool
456	object::change_weapon (object *ob)	531	object::change_weapon (object *ob)
457	{	532	{
…		…
478	{	553	{
479	current_weapon = chosen_skill = 0;	554	current_weapon = chosen_skill = 0;
480	update_stats ();	555	update_stats ();
481		556
482	new_draw_info_format (NDI_UNIQUE, 0, this,	557	new_draw_info_format (NDI_UNIQUE, 0, this,
483	"You try to balance your applied items all at once, but the %s is too much. "	558	"You try to balance all your items at once, "
		559	"but the %s is just too much for your body. "
484	"You need to unapply some items first.", &ob->name);	560	"[You need to unapply some items first - use the 'body' command to see "
		561	"how many items you cna wera on a specific body part.]", &ob->name);
485	return false;	562	return false;
486	}	563	}
487		564
488	new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);	565	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
489	}	566	}
490	else	567	else
491	new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");	568	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		569
		570	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		571	{
		572	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		573	&name, ob->debug_desc ());
		574	return false;
		575	}
492		576
493	return true;	577	return true;
494	}	578	}
495		579
496	/* Zero the key_values on op, decrementing the shared-string	580	/* Zero the key_values on op, decrementing the shared-string
…		…
508	}	592	}
509		593
510	op->key_values = 0;	594	op->key_values = 0;
511	}	595	}
512		596
513	object &	597	/*
514	object::operator =(const object &src)	598	* copy_to first frees everything allocated by the dst object,
		599	* and then copies the contents of itself into the second
		600	* object, allocating what needs to be allocated. Basically, any
		601	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		602	* if the first object is freed, the pointers in the new object
		603	* will point at garbage.
		604	*/
		605	void
		606	object::copy_to (object *dst)
515	{	607	{
516	bool is_freed = flag [FLAG_FREED];	608	dst->remove ();
517	bool is_removed = flag [FLAG_REMOVED];
518
519	*(object_copy *)this = src;	609	*(object_copy *)dst = *this;
520
521	flag [FLAG_FREED] = is_freed;
522	flag [FLAG_REMOVED] = is_removed;	610	dst->flag [FLAG_REMOVED] = true;
523		611
524	/* Copy over key_values, if any. */	612	/* Copy over key_values, if any. */
525	if (src.key_values)	613	if (key_values)
526	{	614	{
527	key_value *tail = 0;	615	key_value *tail = 0;
528	key_values = 0;	616	dst->key_values = 0;
529		617
530	for (key_value *i = src.key_values; i; i = i->next)	618	for (key_value *i = key_values; i; i = i->next)
531	{	619	{
532	key_value *new_link = new key_value;	620	key_value *new_link = new key_value;
533		621
534	new_link->next = 0;	622	new_link->next = 0;
535	new_link->key = i->key;	623	new_link->key = i->key;
536	new_link->value = i->value;	624	new_link->value = i->value;
537		625
538	/* Try and be clever here, too. */	626	/* Try and be clever here, too. */
539	if (!key_values)	627	if (!dst->key_values)
540	{	628	{
541	key_values = new_link;	629	dst->key_values = new_link;
542	tail = new_link;	630	tail = new_link;
543	}	631	}
544	else	632	else
545	{	633	{
546	tail->next = new_link;	634	tail->next = new_link;
547	tail = new_link;	635	tail = new_link;
548	}	636	}
549	}	637	}
550	}	638	}
551	}
552
553	/*
554	* copy_to first frees everything allocated by the dst object,
555	* and then copies the contents of itself into the second
556	* object, allocating what needs to be allocated. Basically, any
557	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
558	* if the first object is freed, the pointers in the new object
559	* will point at garbage.
560	*/
561	void
562	object::copy_to (object *dst)
563	{
564	*dst = *this;
565		639
566	if (speed < 0)	640	if (speed < 0)
567	dst->speed_left = speed_left - rndm ();	641	dst->speed_left -= rndm ();
568		642
569	dst->set_speed (dst->speed);	643	dst->activate ();
570	}	644	}
571		645
572	void	646	void
573	object::instantiate ()	647	object::instantiate ()
574	{	648	{
575	if (!uuid.seq) // HACK	649	if (!uuid.seq) // HACK
576	uuid = gen_uuid ();	650	uuid = UUID::gen ();
577		651
578	speed_left = -0.1f;	652	speed_left = -0.1f;
579	/* copy the body_info to the body_used - this is only really	653	/* copy the body_info to the body_used - this is only really
580	* need for monsters, but doesn't hurt to do it for everything.	654	* need for monsters, but doesn't hurt to do it for everything.
581	* by doing so, when a monster is created, it has good starting	655	* by doing so, when a monster is created, it has good starting
…		…
591	object *	665	object *
592	object::clone ()	666	object::clone ()
593	{	667	{
594	object *neu = create ();	668	object *neu = create ();
595	copy_to (neu);	669	copy_to (neu);
		670	neu->map = map; // not copied by copy_to
596	return neu;	671	return neu;
597	}	672	}
598		673
599	/*	674	/*
600	* If an object with the IS_TURNABLE() flag needs to be turned due	675	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
651	* UP_OBJ_FACE: only the objects face has changed.	726	* UP_OBJ_FACE: only the objects face has changed.
652	*/	727	*/
653	void	728	void
654	update_object (object *op, int action)	729	update_object (object *op, int action)
655	{	730	{
656	if (op == NULL)	731	if (!op)
657	{	732	{
658	/* this should never happen */	733	/* this should never happen */
659	LOG (llevDebug, "update_object() called for NULL object.\n");	734	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
660	return;	735	return;
661	}	736	}
662		737
663	if (op->env)	738	if (!op->is_on_map ())
664	{	739	{
665	/* Animation is currently handled by client, so nothing	740	/* Animation is currently handled by client, so nothing
666	* to do in this case.	741	* to do in this case.
667	*/	742	*/
668	return;	743	return;
669	}	744	}
670
671	/* If the map is saving, don't do anything as everything is
672	* going to get freed anyways.
673	*/
674	if (!op->map || op->map->in_memory == MAP_SAVING)
675	return;
676		745
677	/* make sure the object is within map boundaries */	746	/* make sure the object is within map boundaries */
678	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	747	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
679	{	748	{
680	LOG (llevError, "update_object() called for object out of map!\n");	749	LOG (llevError, "update_object() called for object out of map!\n");
…		…
691	else if (action == UP_OBJ_INSERT)	760	else if (action == UP_OBJ_INSERT)
692	{	761	{
693	// this is likely overkill, TODO: revisit (schmorp)	762	// this is likely overkill, TODO: revisit (schmorp)
694	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	763	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
695	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	764	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
696	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	765	|| (op->is_player () && !(m.flags_ & P_PLAYER))
697	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	766	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
698	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	767	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
699	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	768	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
700	|| (m.move_on | op->move_on ) != m.move_on	769	|| (m.move_on | op->move_on ) != m.move_on
701	|| (m.move_off | op->move_off ) != m.move_off	770	|| (m.move_off | op->move_off ) != m.move_off
702	|| (m.move_slow | op->move_slow) != m.move_slow	771	|| (m.move_slow | op->move_slow) != m.move_slow
703	/* This isn't perfect, but I don't expect a lot of objects to	772	/* This isn't perfect, but I don't expect a lot of objects to
704	* to have move_allow right now.	773	* have move_allow right now.
705	*/	774	*/
706	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	775	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
707	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	776	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
708	m.flags_ = 0;	777	m.invalidate ();
709	}	778	}
710	/* if the object is being removed, we can't make intelligent	779	/* if the object is being removed, we can't make intelligent
711	* decisions, because remove_ob can't really pass the object	780	* decisions, because remove_ob can't really pass the object
712	* that is being removed.	781	* that is being removed.
713	*/	782	*/
714	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	783	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
715	m.flags_ = 0;	784	m.invalidate ();
716	else if (action == UP_OBJ_FACE)	785	else if (action == UP_OBJ_FACE)
717	/* Nothing to do for that case */ ;	786	/* Nothing to do for that case */ ;
718	else	787	else
719	LOG (llevError, "update_object called with invalid action: %d\n", action);	788	LOG (llevError, "update_object called with invalid action: %d\n", action);
720		789
…		…
724		793
725	object::object ()	794	object::object ()
726	{	795	{
727	SET_FLAG (this, FLAG_REMOVED);	796	SET_FLAG (this, FLAG_REMOVED);
728		797
729	expmul = 1.0;	798	//expmul = 1.0; declared const for the time being
730	face = blank_face;	799	face = blank_face;
731	}	800	}
732		801
733	object::~object ()	802	object::~object ()
734	{	803	{
…		…
740	static int object_count;	809	static int object_count;
741		810
742	void object::link ()	811	void object::link ()
743	{	812	{
744	assert (!index);//D	813	assert (!index);//D
745	uuid = gen_uuid ();	814	uuid = UUID::gen ();
746	count = ++object_count;	815	count = ++object_count;
747		816
748	refcnt_inc ();	817	refcnt_inc ();
749	objects.insert (this);	818	objects.insert (this);
750	}	819	}
…		…
764	/* If already on active list, don't do anything */	833	/* If already on active list, don't do anything */
765	if (active)	834	if (active)
766	return;	835	return;
767		836
768	if (has_active_speed ())	837	if (has_active_speed ())
		838	{
		839	if (flag [FLAG_FREED])
		840	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		841
769	actives.insert (this);	842	actives.insert (this);
		843	}
770	}	844	}
771		845
772	void	846	void
773	object::activate_recursive ()	847	object::activate_recursive ()
774	{	848	{
…		…
823	object::destroy_inv (bool drop_to_ground)	897	object::destroy_inv (bool drop_to_ground)
824	{	898	{
825	// need to check first, because the checks below might segfault	899	// need to check first, because the checks below might segfault
826	// as we might be on an invalid mapspace and crossfire code	900	// as we might be on an invalid mapspace and crossfire code
827	// is too buggy to ensure that the inventory is empty.	901	// is too buggy to ensure that the inventory is empty.
828	// corollary: if you create arrows etc. with stuff in tis inventory,	902	// corollary: if you create arrows etc. with stuff in its inventory,
829	// cf will crash below with off-map x and y	903	// cf will crash below with off-map x and y
830	if (!inv)	904	if (!inv)
831	return;	905	return;
832		906
833	/* Only if the space blocks everything do we not process -	907	/* Only if the space blocks everything do we not process -
834	* if some form of movement is allowed, let objects	908	* if some form of movement is allowed, let objects
835	* drop on that space.	909	* drop on that space.
836	*/	910	*/
837	if (!drop_to_ground	911	if (!drop_to_ground
838	|| !map	912	|| !map
839	|| map->in_memory != MAP_IN_MEMORY	913	|| map->in_memory != MAP_ACTIVE
840	|| map->nodrop	914	|| map->no_drop
841	|| ms ().move_block == MOVE_ALL)	915	|| ms ().move_block == MOVE_ALL)
842	{	916	{
843	while (inv)	917	while (inv)
844	{
845	inv->destroy_inv (drop_to_ground);
846	inv->destroy ();	918	inv->destroy ();
847	}
848	}	919	}
849	else	920	else
850	{ /* Put objects in inventory onto this space */	921	{ /* Put objects in inventory onto this space */
851	while (inv)	922	while (inv)
852	{	923	{
…		…
870	object *op = new object;	941	object *op = new object;
871	op->link ();	942	op->link ();
872	return op;	943	return op;
873	}	944	}
874		945
		946	static struct freed_map : maptile
		947	{
		948	freed_map ()
		949	{
		950	path = "<freed objects map>";
		951	name = "/internal/freed_objects_map";
		952	width = 3;
		953	height = 3;
		954	no_drop = 1;
		955	no_reset = 1;
		956
		957	alloc ();
		958	in_memory = MAP_ACTIVE;
		959	}
		960
		961	~freed_map ()
		962	{
		963	destroy ();
		964	}
		965	} freed_map; // freed objects are moved here to avoid crashes
		966
875	void	967	void
876	object::do_destroy ()	968	object::do_destroy ()
877	{	969	{
878	attachable::do_destroy ();
879
880	if (flag [FLAG_IS_LINKED])	970	if (flag [FLAG_IS_LINKED])
881	remove_button_link (this);	971	remove_link ();
882		972
883	if (flag [FLAG_FRIENDLY])	973	if (flag [FLAG_FRIENDLY])
884	remove_friendly_object (this);	974	remove_friendly_object (this);
885		975
886	if (!flag [FLAG_REMOVED])
887	remove ();	976	remove ();
888		977
889	destroy_inv (true);	978	attachable::do_destroy ();
890		979
891	deactivate ();	980	deactivate ();
892	unlink ();	981	unlink ();
893		982
894	flag [FLAG_FREED] = 1;	983	flag [FLAG_FREED] = 1;
895		984
896	// hack to ensure that freed objects still have a valid map	985	// hack to ensure that freed objects still have a valid map
897	{
898	static maptile *freed_map; // freed objects are moved here to avoid crashes
899
900	if (!freed_map)
901	{
902	freed_map = new maptile;
903
904	freed_map->name = "/internal/freed_objects_map";
905	freed_map->width = 3;
906	freed_map->height = 3;
907
908	freed_map->alloc ();
909	freed_map->in_memory = MAP_IN_MEMORY;
910	}
911
912	map = freed_map;	986	map = &freed_map;
913	x = 1;	987	x = 1;
914	y = 1;	988	y = 1;
915	}
916
917	head = 0;
918		989
919	if (more)	990	if (more)
920	{	991	{
921	more->destroy ();	992	more->destroy ();
922	more = 0;	993	more = 0;
923	}	994	}
924		995
		996	head = 0;
		997
925	// clear those pointers that likely might have circular references to us	998	// clear those pointers that likely might cause circular references
926	owner = 0;	999	owner = 0;
927	enemy = 0;	1000	enemy = 0;
928	attacked_by = 0;	1001	attacked_by = 0;
		1002	current_weapon = 0;
929	}	1003	}
930		1004
931	void	1005	void
932	object::destroy (bool destroy_inventory)	1006	object::destroy ()
933	{	1007	{
934	if (destroyed ())	1008	if (destroyed ())
935	return;	1009	return;
936		1010
937	if (destroy_inventory)	1011	if (!is_head () && !head->destroyed ())
		1012	{
		1013	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1014	head->destroy ();
		1015	return;
		1016	}
		1017
938	destroy_inv (false);	1018	destroy_inv (false);
		1019
		1020	if (is_head ())
		1021	if (sound_destroy)
		1022	play_sound (sound_destroy);
		1023	else if (flag [FLAG_MONSTER])
		1024	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
939		1025
940	attachable::destroy ();	1026	attachable::destroy ();
941	}
942
943	/*
944	* sub_weight() recursively (outwards) subtracts a number from the
945	* weight of an object (and what is carried by it's environment(s)).
946	*/
947	void
948	sub_weight (object *op, signed long weight)
949	{
950	while (op != NULL)
951	{
952	if (op->type == CONTAINER)
953	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
954
955	op->carrying -= weight;
956	op = op->env;
957	}
958	}	1027	}
959		1028
960	/* op->remove ():	1029	/* op->remove ():
961	* This function removes the object op from the linked list of objects	1030	* This function removes the object op from the linked list of objects
962	* which it is currently tied to. When this function is done, the	1031	* which it is currently tied to. When this function is done, the
…		…
968	object::do_remove ()	1037	object::do_remove ()
969	{	1038	{
970	object *tmp, *last = 0;	1039	object *tmp, *last = 0;
971	object *otmp;	1040	object *otmp;
972		1041
973	if (QUERY_FLAG (this, FLAG_REMOVED))	1042	if (flag [FLAG_REMOVED])
974	return;	1043	return;
975		1044
976	SET_FLAG (this, FLAG_REMOVED);
977	INVOKE_OBJECT (REMOVE, this);	1045	INVOKE_OBJECT (REMOVE, this);
		1046
		1047	flag [FLAG_REMOVED] = true;
978		1048
979	if (more)	1049	if (more)
980	more->remove ();	1050	more->remove ();
981		1051
982	/*	1052	/*
983	* In this case, the object to be removed is in someones	1053	* In this case, the object to be removed is in someones
984	* inventory.	1054	* inventory.
985	*/	1055	*/
986	if (env)	1056	if (env)
987	{	1057	{
988	if (nrof)	1058	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
989	sub_weight (env, weight * nrof);	1059	if (object *pl = visible_to ())
990	else	1060	esrv_del_item (pl->contr, count);
991	sub_weight (env, weight + carrying);	1061	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1062
		1063	adjust_weight (env, -total_weight ());
		1064
		1065	object *pl = in_player ();
		1066
		1067	/* we set up values so that it could be inserted into
		1068	* the map, but we don't actually do that - it is up
		1069	* to the caller to decide what we want to do.
		1070	*/
		1071	map = env->map;
		1072	x = env->x;
		1073	y = env->y;
		1074
		1075	// make sure cmov optimisation is applicable
		1076	*(above ? &above->below : &env->inv) = below;
		1077	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1078
		1079	above = 0;
		1080	below = 0;
		1081	env = 0;
992		1082
993	/* NO_FIX_PLAYER is set when a great many changes are being	1083	/* NO_FIX_PLAYER is set when a great many changes are being
994	* made to players inventory. If set, avoiding the call	1084	* made to players inventory. If set, avoiding the call
995	* to save cpu time.	1085	* to save cpu time.
996	*/	1086	*/
997	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1087	if (pl)
		1088	if (pl->is_player () && (glow_radius || !QUERY_FLAG (pl, FLAG_NO_FIX_PLAYER)))
		1089	{
998	otmp->update_stats ();	1090	pl->update_stats ();
999		1091
1000	if (above)	1092	if (glow_radius && pl->is_on_map ())
1001	above->below = below;	1093	update_all_los (pl->map, pl->x, pl->y);
1002	else	1094	}
1003	env->inv = below;
1004
1005	if (below)
1006	below->above = above;
1007
1008	/* we set up values so that it could be inserted into
1009	* the map, but we don't actually do that - it is up
1010	* to the caller to decide what we want to do.
1011	*/
1012	x = env->x, y = env->y;
1013	map = env->map;
1014	above = 0, below = 0;
1015	env = 0;
1016	}	1095	}
1017	else if (map)	1096	else if (map)
1018	{	1097	{
1019	if (type == PLAYER)
1020	{
1021	// leaving a spot always closes any open container on the ground
1022	if (container && !container->env)
1023	// this causes spurious floorbox updates, but it ensures
1024	// that the CLOSE event is being sent.
1025	close_container ();
1026
1027	--map->players;
1028	map->touch ();
1029	}
1030
1031	map->dirty = true;	1098	map->dirty = true;
1032	mapspace &ms = this->ms ();	1099	mapspace &ms = this->ms ();
1033		1100
		1101	if (object *pl = ms.player ())
		1102	{
		1103	if (is_player ())
		1104	{
		1105	if (!flag [FLAG_WIZPASS])
		1106	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1107
		1108	// leaving a spot always closes any open container on the ground
		1109	if (container && !container->env)
		1110	// this causes spurious floorbox updates, but it ensures
		1111	// that the CLOSE event is being sent.
		1112	close_container ();
		1113
		1114	--map->players;
		1115	map->touch ();
		1116	}
		1117	else if (pl->container == this)
		1118	{
		1119	// removing a container should close it
		1120	close_container ();
		1121	}
		1122
		1123	esrv_del_item (pl->contr, count);
		1124	}
		1125
1034	/* link the object above us */	1126	/* link the object above us */
1035	if (above)	1127	// re-link, make sure compiler can easily use cmove
1036	above->below = below;	1128	*(above ? &above->below : &ms.top) = below;
1037	else	1129	*(below ? &below->above : &ms.bot) = above;
1038	ms.top = below; /* we were top, set new top */
1039
1040	/* Relink the object below us, if there is one */
1041	if (below)
1042	below->above = above;
1043	else
1044	{
1045	/* Nothing below, which means we need to relink map object for this space
1046	* use translated coordinates in case some oddness with map tiling is
1047	* evident
1048	*/
1049	if (GET_MAP_OB (map, x, y) != this)
1050	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 ());
1051
1052	ms.bot = above; /* goes on above it. */
1053	}
1054		1130
1055	above = 0;	1131	above = 0;
1056	below = 0;	1132	below = 0;
1057		1133
		1134	ms.invalidate ();
		1135
1058	if (map->in_memory == MAP_SAVING)	1136	if (map->in_memory == MAP_SAVING)
1059	return;	1137	return;
1060		1138
1061	int check_walk_off = !flag [FLAG_NO_APPLY];	1139	int check_walk_off = !flag [FLAG_NO_APPLY];
		1140
		1141	if (object *pl = ms.player ())
		1142	{
		1143	if (pl->container == this)
		1144	/* If a container that the player is currently using somehow gets
		1145	* removed (most likely destroyed), update the player view
		1146	* appropriately.
		1147	*/
		1148	pl->close_container ();
		1149
		1150	//TODO: the floorbox prev/next might need updating
		1151	//esrv_del_item (pl->contr, count);
		1152	//TODO: update floorbox to preserve ordering
		1153	if (pl->contr->ns)
		1154	pl->contr->ns->floorbox_update ();
		1155	}
1062		1156
1063	for (tmp = ms.bot; tmp; tmp = tmp->above)	1157	for (tmp = ms.bot; tmp; tmp = tmp->above)
1064	{	1158	{
1065	/* No point updating the players look faces if he is the object	1159	/* No point updating the players look faces if he is the object
1066	* being removed.	1160	* being removed.
1067	*/	1161	*/
1068
1069	if (tmp->type == PLAYER && tmp != this)
1070	{
1071	/* If a container that the player is currently using somehow gets
1072	* removed (most likely destroyed), update the player view
1073	* appropriately.
1074	*/
1075	if (tmp->container == this)
1076	{
1077	flag [FLAG_APPLIED] = 0;
1078	tmp->container = 0;
1079	}
1080
1081	if (tmp->contr->ns)
1082	tmp->contr->ns->floorbox_update ();
1083	}
1084		1162
1085	/* See if object moving off should effect something */	1163	/* See if object moving off should effect something */
1086	if (check_walk_off	1164	if (check_walk_off
1087	&& ((move_type & tmp->move_off)	1165	&& ((move_type & tmp->move_off)
1088	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1166	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1091		1169
1092	if (destroyed ())	1170	if (destroyed ())
1093	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1171	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1094	}	1172	}
1095		1173
1096	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1097	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1098	if (tmp->above == tmp)
1099	tmp->above = 0;
1100
1101	last = tmp;	1174	last = tmp;
1102	}	1175	}
1103		1176
1104	/* last == NULL if there are no objects on this space */	1177	if (affects_los ())
1105	//TODO: this makes little sense, why only update the topmost object?
1106	if (!last)
1107	map->at (x, y).flags_ = 0;
1108	else
1109	update_object (last, UP_OBJ_REMOVE);
1110
1111	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1112	update_all_los (map, x, y);	1178	update_all_los (map, x, y);
1113	}	1179	}
1114	}	1180	}
1115		1181
1116	/*	1182	/*
…		…
1125	merge_ob (object *op, object *top)	1191	merge_ob (object *op, object *top)
1126	{	1192	{
1127	if (!op->nrof)	1193	if (!op->nrof)
1128	return 0;	1194	return 0;
1129		1195
1130	if (top)	1196	if (!top)
1131	for (top = op; top && top->above; top = top->above)	1197	for (top = op; top && top->above; top = top->above)
1132	;	1198	;
1133		1199
1134	for (; top; top = top->below)	1200	for (; top; top = top->below)
1135	{
1136	if (top == op)
1137	continue;
1138
1139	if (object::can_merge (op, top))	1201	if (object::can_merge (op, top))
1140	{	1202	{
1141	top->nrof += op->nrof;	1203	top->nrof += op->nrof;
1142		1204
1143	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1205	if (object *pl = top->visible_to ())
1144	op->weight = 0; /* Don't want any adjustements now */	1206	esrv_update_item (UPD_NROF, pl, top);
		1207
		1208	op->weight = 0; // cancel the addition above
		1209	op->carrying = 0; // must be 0 already
		1210
1145	op->destroy ();	1211	op->destroy ();
		1212
1146	return top;	1213	return top;
1147	}	1214	}
1148	}
1149		1215
1150	return 0;	1216	return 0;
1151	}	1217	}
1152		1218
1153	void	1219	void
…		…
1156	if (more)	1222	if (more)
1157	return;	1223	return;
1158		1224
1159	object *prev = this;	1225	object *prev = this;
1160		1226
1161	for (archetype *at = arch->more; at; at = at->more)	1227	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1162	{	1228	{
1163	object *op = arch_to_object (at);	1229	object *op = arch_to_object (at);
1164		1230
1165	op->name = name;	1231	op->name = name;
1166	op->name_pl = name_pl;	1232	op->name_pl = name_pl;
…		…
1178	* job preparing multi-part monsters.	1244	* job preparing multi-part monsters.
1179	*/	1245	*/
1180	object *	1246	object *
1181	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1247	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1182	{	1248	{
		1249	op->remove ();
		1250
1183	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1251	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1184	{	1252	{
1185	tmp->x = x + tmp->arch->clone.x;	1253	tmp->x = x + tmp->arch->x;
1186	tmp->y = y + tmp->arch->clone.y;	1254	tmp->y = y + tmp->arch->y;
1187	}	1255	}
1188		1256
1189	return insert_ob_in_map (op, m, originator, flag);	1257	return insert_ob_in_map (op, m, originator, flag);
1190	}	1258	}
1191		1259
…		…
1210	* just 'op' otherwise	1278	* just 'op' otherwise
1211	*/	1279	*/
1212	object *	1280	object *
1213	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1281	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1214	{	1282	{
1215	assert (!op->flag [FLAG_FREED]);
1216
1217	object *tmp, *top, *floor = NULL;
1218
1219	op->remove ();	1283	op->remove ();
1220		1284
1221	#if 0	1285	if (m == &freed_map)//D TODO: remove soon
1222	if (!m->active != !op->active)
1223	if (m->active)
1224	op->activate_recursive ();
1225	else
1226	op->deactivate_recursive ();
1227	#endif
1228
1229	if (out_of_map (m, op->x, op->y))
1230	{	1286	{//D
1231	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());	1287	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1232	#ifdef MANY_CORES
1233	/* Better to catch this here, as otherwise the next use of this object
1234	* is likely to cause a crash. Better to find out where it is getting
1235	* improperly inserted.
1236	*/
1237	abort ();
1238	#endif
1239	return op;
1240	}	1288	}//D
1241
1242	if (object *more = op->more)
1243	{
1244	if (!insert_ob_in_map (more, m, originator, flag))
1245	{
1246	if (!op->head)
1247	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1248
1249	return 0;
1250	}
1251	}
1252
1253	CLEAR_FLAG (op, FLAG_REMOVED);
1254		1289
1255	/* Ideally, the caller figures this out. However, it complicates a lot	1290	/* Ideally, the caller figures this out. However, it complicates a lot
1256	* of areas of callers (eg, anything that uses find_free_spot would now	1291	* of areas of callers (eg, anything that uses find_free_spot would now
1257	* need extra work	1292	* need extra work
1258	*/	1293	*/
		1294	maptile *newmap = m;
1259	if (!xy_normalise (m, op->x, op->y))	1295	if (!xy_normalise (newmap, op->x, op->y))
		1296	{
		1297	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1260	return 0;	1298	return 0;
		1299	}
1261		1300
		1301	if (object *more = op->more)
		1302	if (!insert_ob_in_map (more, m, originator, flag))
		1303	return 0;
		1304
		1305	op->flag [FLAG_REMOVED] = false;
		1306	op->env = 0;
1262	op->map = m;	1307	op->map = newmap;
		1308
1263	mapspace &ms = op->ms ();	1309	mapspace &ms = op->ms ();
1264		1310
1265	/* this has to be done after we translate the coordinates.	1311	/* this has to be done after we translate the coordinates.
1266	*/	1312	*/
1267	if (op->nrof && !(flag & INS_NO_MERGE))	1313	if (op->nrof && !(flag & INS_NO_MERGE))
1268	for (tmp = ms.bot; tmp; tmp = tmp->above)	1314	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1269	if (object::can_merge (op, tmp))	1315	if (object::can_merge (op, tmp))
1270	{	1316	{
		1317	// TODO: we actually want to update tmp, not op,
		1318	// but some caller surely breaks when we return tmp
		1319	// from here :/
1271	op->nrof += tmp->nrof;	1320	op->nrof += tmp->nrof;
1272	tmp->destroy ();	1321	tmp->destroy ();
1273	}	1322	}
1274		1323
1275	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1324	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1284	{	1333	{
1285	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1334	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1286	abort ();	1335	abort ();
1287	}	1336	}
1288		1337
		1338	if (!originator->is_on_map ())
		1339	{
		1340	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1341	op->debug_desc (), originator->debug_desc ());
		1342	abort ();
		1343	}
		1344
1289	op->above = originator;	1345	op->above = originator;
1290	op->below = originator->below;	1346	op->below = originator->below;
1291
1292	if (op->below)
1293	op->below->above = op;
1294	else
1295	ms.bot = op;
1296
1297	/* since *below* originator, no need to update top */
1298	originator->below = op;	1347	originator->below = op;
		1348
		1349	*(op->below ? &op->below->above : &ms.bot) = op;
1299	}	1350	}
1300	else	1351	else
1301	{	1352	{
1302	top = ms.bot;	1353	object *floor = 0;
		1354	object *top = ms.top;
1303		1355
1304	/* If there are other objects, then */	1356	/* If there are other objects, then */
1305	if ((!(flag & INS_MAP_LOAD)) && top)	1357	if (top)
1306	{	1358	{
1307	object *last = 0;
1308
1309	/*	1359	/*
1310	* If there are multiple objects on this space, we do some trickier handling.	1360	* If there are multiple objects on this space, we do some trickier handling.
1311	* We've already dealt with merging if appropriate.	1361	* We've already dealt with merging if appropriate.
1312	* Generally, we want to put the new object on top. But if	1362	* Generally, we want to put the new object on top. But if
1313	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1363	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1316	* once we get to them. This reduces the need to traverse over all of	1366	* once we get to them. This reduces the need to traverse over all of
1317	* them when adding another one - this saves quite a bit of cpu time	1367	* them when adding another one - this saves quite a bit of cpu time
1318	* when lots of spells are cast in one area. Currently, it is presumed	1368	* when lots of spells are cast in one area. Currently, it is presumed
1319	* that flying non pickable objects are spell objects.	1369	* that flying non pickable objects are spell objects.
1320	*/	1370	*/
1321	for (top = ms.bot; top; top = top->above)	1371	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1322	{	1372	{
1323	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1373	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1324	floor = top;	1374	floor = tmp;
1325		1375
1326	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1376	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1327	{	1377	{
1328	/* We insert above top, so we want this object below this */	1378	/* We insert above top, so we want this object below this */
1329	top = top->below;	1379	top = tmp->below;
1330	break;	1380	break;
1331	}	1381	}
1332		1382
1333	last = top;	1383	top = tmp;
1334	}	1384	}
1335
1336	/* Don't want top to be NULL, so set it to the last valid object */
1337	top = last;
1338		1385
1339	/* We let update_position deal with figuring out what the space	1386	/* We let update_position deal with figuring out what the space
1340	* looks like instead of lots of conditions here.	1387	* looks like instead of lots of conditions here.
1341	* makes things faster, and effectively the same result.	1388	* makes things faster, and effectively the same result.
1342	*/	1389	*/
…		…
1349	*/	1396	*/
1350	if (!(flag & INS_ON_TOP)	1397	if (!(flag & INS_ON_TOP)
1351	&& ms.flags () & P_BLOCKSVIEW	1398	&& ms.flags () & P_BLOCKSVIEW
1352	&& (op->face && !faces [op->face].visibility))	1399	&& (op->face && !faces [op->face].visibility))
1353	{	1400	{
		1401	object *last;
		1402
1354	for (last = top; last != floor; last = last->below)	1403	for (last = top; last != floor; last = last->below)
1355	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1404	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1356	break;	1405	break;
1357		1406
1358	/* Check to see if we found the object that blocks view,	1407	/* Check to see if we found the object that blocks view,
…		…
1363	if (last && last->below && last != floor)	1412	if (last && last->below && last != floor)
1364	top = last->below;	1413	top = last->below;
1365	}	1414	}
1366	} /* If objects on this space */	1415	} /* If objects on this space */
1367		1416
1368	if (flag & INS_MAP_LOAD)
1369	top = ms.top;
1370
1371	if (flag & INS_ABOVE_FLOOR_ONLY)	1417	if (flag & INS_ABOVE_FLOOR_ONLY)
1372	top = floor;	1418	top = floor;
1373		1419
1374	/* Top is the object that our object (op) is going to get inserted above.	1420	// insert object above top, or bottom-most if top = 0
1375	*/
1376
1377	/* First object on this space */
1378	if (!top)	1421	if (!top)
1379	{	1422	{
		1423	op->below = 0;
1380	op->above = ms.bot;	1424	op->above = ms.bot;
1381
1382	if (op->above)
1383	op->above->below = op;
1384
1385	op->below = 0;
1386	ms.bot = op;	1425	ms.bot = op;
		1426
		1427	*(op->above ? &op->above->below : &ms.top) = op;
1387	}	1428	}
1388	else	1429	else
1389	{ /* get inserted into the stack above top */	1430	{
1390	op->above = top->above;	1431	op->above = top->above;
1391
1392	if (op->above)
1393	op->above->below = op;	1432	top->above = op;
1394		1433
1395	op->below = top;	1434	op->below = top;
1396	top->above = op;	1435	*(op->above ? &op->above->below : &ms.top) = op;
1397	}	1436	}
		1437	}
1398		1438
1399	if (!op->above)	1439	if (op->is_player ())
1400	ms.top = op;
1401	} /* else not INS_BELOW_ORIGINATOR */
1402
1403	if (op->type == PLAYER)
1404	{	1440	{
1405	op->contr->do_los = 1;	1441	op->contr->do_los = 1;
1406	++op->map->players;	1442	++op->map->players;
1407	op->map->touch ();	1443	op->map->touch ();
1408	}	1444	}
1409		1445
1410	op->map->dirty = true;	1446	op->map->dirty = true;
1411		1447
1412	/* If we have a floor, we know the player, if any, will be above
1413	* it, so save a few ticks and start from there.
1414	*/
1415	if (!(flag & INS_MAP_LOAD))
1416	if (object *pl = ms.player ())	1448	if (object *pl = ms.player ())
		1449	//TODO: the floorbox prev/next might need updating
		1450	//esrv_send_item (pl, op);
		1451	//TODO: update floorbox to preserve ordering
1417	if (pl->contr->ns)	1452	if (pl->contr->ns)
1418	pl->contr->ns->floorbox_update ();	1453	pl->contr->ns->floorbox_update ();
1419		1454
1420	/* If this object glows, it may affect lighting conditions that are	1455	/* If this object glows, it may affect lighting conditions that are
1421	* visible to others on this map. But update_all_los is really	1456	* visible to others on this map. But update_all_los is really
1422	* an inefficient way to do this, as it means los for all players	1457	* an inefficient way to do this, as it means los for all players
1423	* on the map will get recalculated. The players could very well	1458	* on the map will get recalculated. The players could very well
1424	* be far away from this change and not affected in any way -	1459	* be far away from this change and not affected in any way -
1425	* this should get redone to only look for players within range,	1460	* this should get redone to only look for players within range,
1426	* or just updating the P_UPTODATE for spaces within this area	1461	* or just updating the P_UPTODATE for spaces within this area
1427	* of effect may be sufficient.	1462	* of effect may be sufficient.
1428	*/	1463	*/
1429	if (op->map->darkness && (op->glow_radius != 0))	1464	if (op->affects_los ())
		1465	{
		1466	op->ms ().invalidate ();
1430	update_all_los (op->map, op->x, op->y);	1467	update_all_los (op->map, op->x, op->y);
		1468	}
1431		1469
1432	/* updates flags (blocked, alive, no magic, etc) for this map space */	1470	/* updates flags (blocked, alive, no magic, etc) for this map space */
1433	update_object (op, UP_OBJ_INSERT);	1471	update_object (op, UP_OBJ_INSERT);
1434		1472
1435	INVOKE_OBJECT (INSERT, op);	1473	INVOKE_OBJECT (INSERT, op);
…		…
1442	* blocked() and wall() work properly), and these flags are updated by	1480	* blocked() and wall() work properly), and these flags are updated by
1443	* update_object().	1481	* update_object().
1444	*/	1482	*/
1445		1483
1446	/* if this is not the head or flag has been passed, don't check walk on status */	1484	/* if this is not the head or flag has been passed, don't check walk on status */
1447	if (!(flag & INS_NO_WALK_ON) && !op->head)	1485	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1448	{	1486	{
1449	if (check_move_on (op, originator))	1487	if (check_move_on (op, originator))
1450	return 0;	1488	return 0;
1451		1489
1452	/* If we are a multi part object, lets work our way through the check	1490	/* If we are a multi part object, lets work our way through the check
1453	* walk on's.	1491	* walk on's.
1454	*/	1492	*/
1455	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1493	for (object *tmp = op->more; tmp; tmp = tmp->more)
1456	if (check_move_on (tmp, originator))	1494	if (check_move_on (tmp, originator))
1457	return 0;	1495	return 0;
1458	}	1496	}
1459		1497
1460	return op;	1498	return op;
…		…
1463	/* this function inserts an object in the map, but if it	1501	/* this function inserts an object in the map, but if it
1464	* finds an object of its own type, it'll remove that one first.	1502	* finds an object of its own type, it'll remove that one first.
1465	* op is the object to insert it under: supplies x and the map.	1503	* op is the object to insert it under: supplies x and the map.
1466	*/	1504	*/
1467	void	1505	void
1468	replace_insert_ob_in_map (const char *arch_string, object *op)	1506	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1469	{	1507	{
1470	object *tmp, *tmp1;
1471
1472	/* first search for itself and remove any old instances */	1508	/* first search for itself and remove any old instances */
1473		1509
1474	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1510	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1475	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1511	if (tmp->arch->archname == archname) /* same archetype */
1476	tmp->destroy ();	1512	tmp->destroy ();
1477		1513
1478	tmp1 = arch_to_object (archetype::find (arch_string));	1514	object *tmp = arch_to_object (archetype::find (archname));
1479		1515
1480	tmp1->x = op->x;	1516	tmp->x = op->x;
1481	tmp1->y = op->y;	1517	tmp->y = op->y;
		1518
1482	insert_ob_in_map (tmp1, op->map, op, 0);	1519	insert_ob_in_map (tmp, op->map, op, 0);
1483	}	1520	}
1484		1521
1485	object *	1522	object *
1486	object::insert_at (object *where, object *originator, int flags)	1523	object::insert_at (object *where, object *originator, int flags)
1487	{	1524	{
		1525	if (where->env)
		1526	return where->env->insert (this);
		1527	else
1488	return where->map->insert (this, where->x, where->y, originator, flags);	1528	return where->map->insert (this, where->x, where->y, originator, flags);
1489	}	1529	}
1490		1530
1491	/*	1531	/*
1492	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1493	* is returned contains nr objects, and the remaining parts contains
1494	* the rest (or is removed and freed if that number is 0).
1495	* On failure, NULL is returned, and the reason put into the
1496	* global static errmsg array.
1497	*/
1498	object *
1499	get_split_ob (object *orig_ob, uint32 nr)
1500	{
1501	object *newob;
1502	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1503
1504	if (orig_ob->nrof < nr)
1505	{
1506	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1507	return NULL;
1508	}
1509
1510	newob = object_create_clone (orig_ob);
1511
1512	if ((orig_ob->nrof -= nr) < 1)
1513	orig_ob->destroy (1);
1514	else if (!is_removed)
1515	{
1516	if (orig_ob->env != NULL)
1517	sub_weight (orig_ob->env, orig_ob->weight * nr);
1518	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1519	{
1520	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1521	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1522	return NULL;
1523	}
1524	}
1525
1526	newob->nrof = nr;
1527
1528	return newob;
1529	}
1530
1531	/*
1532	* decrease_ob_nr(object, number) decreases a specified number from	1532	* decrease(object, number) decreases a specified number from
1533	* the amount of an object. If the amount reaches 0, the object	1533	* the amount of an object. If the amount reaches 0, the object
1534	* is subsequently removed and freed.	1534	* is subsequently removed and freed.
1535	*	1535	*
1536	* Return value: 'op' if something is left, NULL if the amount reached 0	1536	* Return value: 'op' if something is left, NULL if the amount reached 0
1537	*/	1537	*/
		1538	bool
		1539	object::decrease (sint32 nr)
		1540	{
		1541	if (!nr)
		1542	return true;
		1543
		1544	nr = min (nr, nrof);
		1545
		1546	if (nrof > nr)
		1547	{
		1548	nrof -= nr;
		1549	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1550
		1551	if (object *pl = visible_to ())
		1552	esrv_update_item (UPD_NROF, pl, this);
		1553
		1554	return true;
		1555	}
		1556	else
		1557	{
		1558	destroy ();
		1559	return false;
		1560	}
		1561	}
		1562
		1563	/*
		1564	* split(ob,nr) splits up ob into two parts. The part which
		1565	* is returned contains nr objects, and the remaining parts contains
		1566	* the rest (or is removed and returned if that number is 0).
		1567	* On failure, NULL is returned.
		1568	*/
1538	object *	1569	object *
1539	decrease_ob_nr (object *op, uint32 i)	1570	object::split (sint32 nr)
1540	{	1571	{
1541	object *tmp;	1572	int have = number_of ();
1542		1573
1543	if (i == 0) /* objects with op->nrof require this check */	1574	if (have < nr)
1544	return op;	1575	return 0;
1545		1576	else if (have == nr)
1546	if (i > op->nrof)
1547	i = op->nrof;
1548
1549	if (QUERY_FLAG (op, FLAG_REMOVED))
1550	op->nrof -= i;
1551	else if (op->env)
1552	{	1577	{
1553	/* is this object in the players inventory, or sub container
1554	* therein?
1555	*/
1556	tmp = op->in_player ();
1557	/* nope. Is this a container the player has opened?
1558	* If so, set tmp to that player.
1559	* IMO, searching through all the players will mostly
1560	* likely be quicker than following op->env to the map,
1561	* and then searching the map for a player.
1562	*/
1563	if (!tmp)
1564	for_all_players (pl)
1565	if (pl->ob->container == op->env)
1566	{
1567	tmp = pl->ob;
1568	break;
1569	}
1570
1571	if (i < op->nrof)
1572	{
1573	sub_weight (op->env, op->weight * i);
1574	op->nrof -= i;
1575	if (tmp)
1576	esrv_send_item (tmp, op);
1577	}
1578	else
1579	{
1580	op->remove ();	1578	remove ();
1581	op->nrof = 0;	1579	return this;
1582	if (tmp)
1583	esrv_del_item (tmp->contr, op->count);
1584	}
1585	}	1580	}
1586	else	1581	else
1587	{	1582	{
1588	object *above = op->above;	1583	decrease (nr);
1589		1584
1590	if (i < op->nrof)	1585	object *op = deep_clone ();
1591	op->nrof -= i;	1586	op->nrof = nr;
1592	else
1593	{
1594	op->remove ();
1595	op->nrof = 0;
1596	}
1597
1598	/* Since we just removed op, op->above is null */
1599	for (tmp = above; tmp; tmp = tmp->above)
1600	if (tmp->type == PLAYER)
1601	{
1602	if (op->nrof)
1603	esrv_send_item (tmp, op);
1604	else
1605	esrv_del_item (tmp->contr, op->count);
1606	}
1607	}
1608
1609	if (op->nrof)
1610	return op;	1587	return op;
1611	else
1612	{
1613	op->destroy ();
1614	return 0;
1615	}
1616	}
1617
1618	/*
1619	* add_weight(object, weight) adds the specified weight to an object,
1620	* and also updates how much the environment(s) is/are carrying.
1621	*/
1622	void
1623	add_weight (object *op, signed long weight)
1624	{
1625	while (op != NULL)
1626	{
1627	if (op->type == CONTAINER)
1628	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1629
1630	op->carrying += weight;
1631	op = op->env;
1632	}	1588	}
1633	}	1589	}
1634		1590
1635	object *	1591	object *
1636	insert_ob_in_ob (object *op, object *where)	1592	insert_ob_in_ob (object *op, object *where)
…		…
1641	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1597	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1642	free (dump);	1598	free (dump);
1643	return op;	1599	return op;
1644	}	1600	}
1645		1601
1646	if (where->head)	1602	if (where->head_ () != where)
1647	{	1603	{
1648	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1604	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1649	where = where->head;	1605	where = where->head;
1650	}	1606	}
1651		1607
1652	return where->insert (op);	1608	return where->insert (op);
1653	}	1609	}
…		…
1661	* be != op, if items are merged. -Tero	1617	* be != op, if items are merged. -Tero
1662	*/	1618	*/
1663	object *	1619	object *
1664	object::insert (object *op)	1620	object::insert (object *op)
1665	{	1621	{
1666	object *tmp, *otmp;
1667
1668	if (!QUERY_FLAG (op, FLAG_REMOVED))
1669	op->remove ();
1670
1671	if (op->more)	1622	if (op->more)
1672	{	1623	{
1673	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1624	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1674	return op;	1625	return op;
1675	}	1626	}
1676		1627
1677	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1628	op->remove ();
1678	CLEAR_FLAG (op, FLAG_REMOVED);	1629
		1630	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1631
1679	if (op->nrof)	1632	if (op->nrof)
1680	{
1681	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1633	for (object *tmp = inv; tmp; tmp = tmp->below)
1682	if (object::can_merge (tmp, op))	1634	if (object::can_merge (tmp, op))
1683	{	1635	{
1684	/* return the original object and remove inserted object	1636	/* return the original object and remove inserted object
1685	(client needs the original object) */	1637	(client needs the original object) */
1686	tmp->nrof += op->nrof;	1638	tmp->nrof += op->nrof;
1687	/* Weight handling gets pretty funky. Since we are adding to	1639
1688	* tmp->nrof, we need to increase the weight.	1640	if (object *pl = tmp->visible_to ())
1689	*/	1641	esrv_update_item (UPD_NROF, pl, tmp);
		1642
1690	add_weight (this, op->weight * op->nrof);	1643	adjust_weight (this, op->total_weight ());
1691	SET_FLAG (op, FLAG_REMOVED);	1644
1692	op->destroy (); /* free the inserted object */	1645	op->destroy ();
1693	op = tmp;	1646	op = tmp;
1694	op->remove (); /* and fix old object's links */	1647	goto inserted;
1695	CLEAR_FLAG (op, FLAG_REMOVED);
1696	break;
1697	}	1648	}
1698		1649
1699	/* I assume combined objects have no inventory	1650	op->owner = 0; // it's his/hers now. period.
1700	* We add the weight - this object could have just been removed
1701	* (if it was possible to merge). calling remove_ob will subtract
1702	* the weight, so we need to add it in again, since we actually do
1703	* the linking below
1704	*/
1705	add_weight (this, op->weight * op->nrof);
1706	}
1707	else
1708	add_weight (this, (op->weight + op->carrying));
1709
1710	otmp = this->in_player ();
1711	if (otmp && otmp->contr)
1712	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1713	otmp->update_stats ();
1714
1715	op->map = 0;	1651	op->map = 0;
1716	op->env = this;	1652	op->x = 0;
		1653	op->y = 0;
		1654
1717	op->above = 0;	1655	op->above = 0;
1718	op->below = 0;	1656	op->below = inv;
1719	op->x = 0, op->y = 0;	1657	op->env = this;
1720		1658
		1659	if (inv)
		1660	inv->above = op;
		1661
		1662	inv = op;
		1663
		1664	op->flag [FLAG_REMOVED] = 0;
		1665
		1666	if (object *pl = op->visible_to ())
		1667	esrv_send_item (pl, op);
		1668
		1669	adjust_weight (this, op->total_weight ());
		1670
		1671	inserted:
1721	/* reset the light list and los of the players on the map */	1672	/* reset the light list and los of the players on the map */
1722	if ((op->glow_radius != 0) && map)	1673	if (op->glow_radius && is_on_map ())
1723	{	1674	{
1724	#ifdef DEBUG_LIGHTS	1675	update_stats ();
1725	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1726	#endif /* DEBUG_LIGHTS */
1727	if (map->darkness)
1728	update_all_los (map, x, y);	1676	update_all_los (map, x, y);
1729	}
1730
1731	/* Client has no idea of ordering so lets not bother ordering it here.
1732	* It sure simplifies this function...
1733	*/
1734	if (!inv)
1735	inv = op;
1736	else
1737	{	1677	}
1738	op->below = inv;	1678	else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1739	op->below->above = op;	1679	// if this is a player's inventory, update stats
1740	inv = op;	1680	update_stats ();
1741	}
1742		1681
1743	INVOKE_OBJECT (INSERT, this);	1682	INVOKE_OBJECT (INSERT, this);
1744		1683
1745	return op;	1684	return op;
1746	}	1685	}
…		…
1766	* on top.	1705	* on top.
1767	*/	1706	*/
1768	int	1707	int
1769	check_move_on (object *op, object *originator)	1708	check_move_on (object *op, object *originator)
1770	{	1709	{
		1710	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1711	return 0;
		1712
1771	object *tmp;	1713	object *tmp;
1772	maptile *m = op->map;	1714	maptile *m = op->map;
1773	int x = op->x, y = op->y;	1715	int x = op->x, y = op->y;
1774		1716
1775	MoveType move_on, move_slow, move_block;	1717	mapspace &ms = m->at (x, y);
1776		1718
1777	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1719	ms.update ();
1778	return 0;
1779		1720
1780	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1721	MoveType move_on = ms.move_on;
1781	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1722	MoveType move_slow = ms.move_slow;
1782	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1723	MoveType move_block = ms.move_block;
1783		1724
1784	/* if nothing on this space will slow op down or be applied,	1725	/* if nothing on this space will slow op down or be applied,
1785	* no need to do checking below. have to make sure move_type	1726	* no need to do checking below. have to make sure move_type
1786	* is set, as lots of objects don't have it set - we treat that	1727	* is set, as lots of objects don't have it set - we treat that
1787	* as walking.	1728	* as walking.
…		…
1798	return 0;	1739	return 0;
1799		1740
1800	/* The objects have to be checked from top to bottom.	1741	/* The objects have to be checked from top to bottom.
1801	* Hence, we first go to the top:	1742	* Hence, we first go to the top:
1802	*/	1743	*/
1803		1744	for (object *next, *tmp = ms.top; tmp; tmp = next)
1804	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1805	{
1806	/* Trim the search when we find the first other spell effect
1807	* this helps performance so that if a space has 50 spell objects,
1808	* we don't need to check all of them.
1809	*/
1810	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1811	break;
1812	}	1745	{
		1746	next = tmp->below;
1813		1747
1814	for (; tmp; tmp = tmp->below)
1815	{
1816	if (tmp == op)	1748	if (tmp == op)
1817	continue; /* Can't apply yourself */	1749	continue; /* Can't apply yourself */
1818		1750
1819	/* Check to see if one of the movement types should be slowed down.	1751	/* Check to see if one of the movement types should be slowed down.
1820	* Second check makes sure that the movement types not being slowed	1752	* Second check makes sure that the movement types not being slowed
…		…
1825	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1757	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1826	{	1758	{
1827	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1759	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1828	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1760	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1829	{	1761	{
1830
1831	float
1832	diff = tmp->move_slow_penalty * fabs (op->speed);	1762	float diff = tmp->move_slow_penalty * fabs (op->speed);
1833		1763
1834	if (op->type == PLAYER)	1764	if (op->is_player ())
1835	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1765	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1836	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1766	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1837	diff /= 4.0;	1767	diff /= 4.0;
1838		1768
1839	op->speed_left -= diff;	1769	op->speed_left -= diff;
1840	}	1770	}
1841	}	1771	}
…		…
1874	LOG (llevError, "Present_arch called outside map.\n");	1804	LOG (llevError, "Present_arch called outside map.\n");
1875	return NULL;	1805	return NULL;
1876	}	1806	}
1877		1807
1878	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1808	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1879	if (tmp->arch == at)	1809	if (tmp->arch->archname == at->archname)
1880	return tmp;	1810	return tmp;
1881		1811
1882	return NULL;	1812	return NULL;
1883	}	1813	}
1884		1814
…		…
1948	* The first matching object is returned, or NULL if none.	1878	* The first matching object is returned, or NULL if none.
1949	*/	1879	*/
1950	object *	1880	object *
1951	present_arch_in_ob (const archetype *at, const object *op)	1881	present_arch_in_ob (const archetype *at, const object *op)
1952	{	1882	{
1953	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1883	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1954	if (tmp->arch == at)	1884	if (tmp->arch->archname == at->archname)
1955	return tmp;	1885	return tmp;
1956		1886
1957	return NULL;	1887	return NULL;
1958	}	1888	}
1959		1889
…		…
1961	* activate recursively a flag on an object inventory	1891	* activate recursively a flag on an object inventory
1962	*/	1892	*/
1963	void	1893	void
1964	flag_inv (object *op, int flag)	1894	flag_inv (object *op, int flag)
1965	{	1895	{
1966	if (op->inv)
1967	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1896	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1968	{	1897	{
1969	SET_FLAG (tmp, flag);	1898	SET_FLAG (tmp, flag);
1970	flag_inv (tmp, flag);	1899	flag_inv (tmp, flag);
1971	}	1900	}
1972	}	1901	}
1973		1902
1974	/*	1903	/*
1975	* deactivate recursively a flag on an object inventory	1904	* deactivate recursively a flag on an object inventory
1976	*/	1905	*/
1977	void	1906	void
1978	unflag_inv (object *op, int flag)	1907	unflag_inv (object *op, int flag)
1979	{	1908	{
1980	if (op->inv)
1981	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1909	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1982	{	1910	{
1983	CLEAR_FLAG (tmp, flag);	1911	CLEAR_FLAG (tmp, flag);
1984	unflag_inv (tmp, flag);	1912	unflag_inv (tmp, flag);
1985	}	1913	}
1986	}
1987
1988	/*
1989	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1990	* all it's inventory (recursively).
1991	* If checksums are used, a player will get set_cheat called for
1992	* him/her-self and all object carried by a call to this function.
1993	*/
1994	void
1995	set_cheat (object *op)
1996	{
1997	SET_FLAG (op, FLAG_WAS_WIZ);
1998	flag_inv (op, FLAG_WAS_WIZ);
1999	}	1914	}
2000		1915
2001	/*	1916	/*
2002	* find_free_spot(object, map, x, y, start, stop) will search for	1917	* find_free_spot(object, map, x, y, start, stop) will search for
2003	* a spot at the given map and coordinates which will be able to contain	1918	* a spot at the given map and coordinates which will be able to contain
…		…
2005	* to search (see the freearr_x/y[] definition).	1920	* to search (see the freearr_x/y[] definition).
2006	* It returns a random choice among the alternatives found.	1921	* It returns a random choice among the alternatives found.
2007	* start and stop are where to start relative to the free_arr array (1,9	1922	* start and stop are where to start relative to the free_arr array (1,9
2008	* does all 4 immediate directions). This returns the index into the	1923	* does all 4 immediate directions). This returns the index into the
2009	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1924	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2010	* Note - this only checks to see if there is space for the head of the
2011	* object - if it is a multispace object, this should be called for all
2012	* pieces.
2013	* Note2: This function does correctly handle tiled maps, but does not	1925	* Note: This function does correctly handle tiled maps, but does not
2014	* inform the caller. However, insert_ob_in_map will update as	1926	* inform the caller. However, insert_ob_in_map will update as
2015	* necessary, so the caller shouldn't need to do any special work.	1927	* necessary, so the caller shouldn't need to do any special work.
2016	* Note - updated to take an object instead of archetype - this is necessary	1928	* Note - updated to take an object instead of archetype - this is necessary
2017	* because arch_blocked (now ob_blocked) needs to know the movement type	1929	* because arch_blocked (now ob_blocked) needs to know the movement type
2018	* to know if the space in question will block the object. We can't use	1930	* to know if the space in question will block the object. We can't use
…		…
2020	* customized, changed states, etc.	1932	* customized, changed states, etc.
2021	*/	1933	*/
2022	int	1934	int
2023	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1935	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2024	{	1936	{
		1937	int altern[SIZEOFFREE];
2025	int index = 0, flag;	1938	int index = 0, flag;
2026	int altern[SIZEOFFREE];
2027		1939
2028	for (int i = start; i < stop; i++)	1940	for (int i = start; i < stop; i++)
2029	{	1941	{
2030	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1942	mapxy pos (m, x, y); pos.move (i);
2031	if (!flag)	1943
		1944	if (!pos.normalise ())
		1945	continue;
		1946
		1947	mapspace &ms = *pos;
		1948
		1949	if (ms.flags () & P_IS_ALIVE)
		1950	continue;
		1951
		1952	/* However, often
		1953	* ob doesn't have any move type (when used to place exits)
		1954	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1955	*/
		1956	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1957	{
2032	altern [index++] = i;	1958	altern [index++] = i;
		1959	continue;
		1960	}
2033		1961
2034	/* Basically, if we find a wall on a space, we cut down the search size.	1962	/* Basically, if we find a wall on a space, we cut down the search size.
2035	* In this way, we won't return spaces that are on another side of a wall.	1963	* In this way, we won't return spaces that are on another side of a wall.
2036	* This mostly work, but it cuts down the search size in all directions -	1964	* This mostly work, but it cuts down the search size in all directions -
2037	* if the space being examined only has a wall to the north and empty	1965	* if the space being examined only has a wall to the north and empty
2038	* spaces in all the other directions, this will reduce the search space	1966	* spaces in all the other directions, this will reduce the search space
2039	* to only the spaces immediately surrounding the target area, and	1967	* to only the spaces immediately surrounding the target area, and
2040	* won't look 2 spaces south of the target space.	1968	* won't look 2 spaces south of the target space.
2041	*/	1969	*/
2042	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1970	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1971	{
2043	stop = maxfree[i];	1972	stop = maxfree[i];
		1973	continue;
		1974	}
		1975
		1976	/* Note it is intentional that we check ob - the movement type of the
		1977	* head of the object should correspond for the entire object.
		1978	*/
		1979	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1980	continue;
		1981
		1982	if (ob->blocked (pos.m, pos.x, pos.y))
		1983	continue;
		1984
		1985	altern [index++] = i;
2044	}	1986	}
2045		1987
2046	if (!index)	1988	if (!index)
2047	return -1;	1989	return -1;
2048		1990
…		…
2057	*/	1999	*/
2058	int	2000	int
2059	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2001	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2060	{	2002	{
2061	for (int i = 0; i < SIZEOFFREE; i++)	2003	for (int i = 0; i < SIZEOFFREE; i++)
2062	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2004	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2063	return i;	2005	return i;
2064		2006
2065	return -1;	2007	return -1;
2066	}	2008	}
2067		2009
…		…
2113	* there is capable of.	2055	* there is capable of.
2114	*/	2056	*/
2115	int	2057	int
2116	find_dir (maptile *m, int x, int y, object *exclude)	2058	find_dir (maptile *m, int x, int y, object *exclude)
2117	{	2059	{
2118	int i, max = SIZEOFFREE, mflags;	2060	int max = SIZEOFFREE, mflags;
2119
2120	sint16 nx, ny;
2121	object *tmp;
2122	maptile *mp;
2123
2124	MoveType blocked, move_type;	2061	MoveType move_type;
2125		2062
2126	if (exclude && exclude->head)	2063	if (exclude && exclude->head_ () != exclude)
2127	{	2064	{
2128	exclude = exclude->head;	2065	exclude = exclude->head;
2129	move_type = exclude->move_type;	2066	move_type = exclude->move_type;
2130	}	2067	}
2131	else	2068	else
2132	{	2069	{
2133	/* If we don't have anything, presume it can use all movement types. */	2070	/* If we don't have anything, presume it can use all movement types. */
2134	move_type = MOVE_ALL;	2071	move_type = MOVE_ALL;
2135	}	2072	}
2136		2073
2137	for (i = 1; i < max; i++)	2074	for (int i = 1; i < max; i++)
2138	{	2075	{
2139	mp = m;	2076	mapxy pos (m, x, y);
2140	nx = x + freearr_x[i];	2077	pos.move (i);
2141	ny = y + freearr_y[i];
2142		2078
2143	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2079	if (!pos.normalise ())
2144
2145	if (mflags & P_OUT_OF_MAP)
2146	max = maxfree[i];	2080	max = maxfree[i];
2147	else	2081	else
2148	{	2082	{
2149	mapspace &ms = mp->at (nx, ny);	2083	mapspace &ms = *pos;
2150		2084
2151	blocked = ms.move_block;
2152
2153	if ((move_type & blocked) == move_type)	2085	if ((move_type & ms.move_block) == move_type)
2154	max = maxfree[i];	2086	max = maxfree [i];
2155	else if (mflags & P_IS_ALIVE)	2087	else if (ms.flags () & P_IS_ALIVE)
2156	{	2088	{
2157	for (tmp = ms.bot; tmp; tmp = tmp->above)	2089	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2158	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2090	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2159	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2091	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2160	break;
2161
2162	if (tmp)
2163	return freedir[i];	2092	return freedir [i];
2164	}	2093	}
2165	}	2094	}
2166	}	2095	}
2167		2096
2168	return 0;	2097	return 0;
…		…
2243	* This basically means that if direction is 15, then it could either go	2172	* This basically means that if direction is 15, then it could either go
2244	* direction 4, 14, or 16 to get back to where we are.	2173	* direction 4, 14, or 16 to get back to where we are.
2245	* Moved from spell_util.c to object.c with the other related direction	2174	* Moved from spell_util.c to object.c with the other related direction
2246	* functions.	2175	* functions.
2247	*/	2176	*/
2248	int reduction_dir[SIZEOFFREE][3] = {	2177	const int reduction_dir[SIZEOFFREE][3] = {
2249	{0, 0, 0}, /* 0 */	2178	{0, 0, 0}, /* 0 */
2250	{0, 0, 0}, /* 1 */	2179	{0, 0, 0}, /* 1 */
2251	{0, 0, 0}, /* 2 */	2180	{0, 0, 0}, /* 2 */
2252	{0, 0, 0}, /* 3 */	2181	{0, 0, 0}, /* 3 */
2253	{0, 0, 0}, /* 4 */	2182	{0, 0, 0}, /* 4 */
…		…
2344	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2273	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2345	* core dumps if they do.	2274	* core dumps if they do.
2346	*	2275	*
2347	* Add a check so we can't pick up invisible objects (0.93.8)	2276	* Add a check so we can't pick up invisible objects (0.93.8)
2348	*/	2277	*/
2349
2350	int	2278	int
2351	can_pick (const object *who, const object *item)	2279	can_pick (const object *who, const object *item)
2352	{	2280	{
2353	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2281	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2354	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2282	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2355	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2283	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2356	}	2284	}
2357		2285
2358	/*	2286	/*
2359	* create clone from object to another	2287	* create clone from object to another
2360	*/	2288	*/
2361	object *	2289	object *
2362	object_create_clone (object *asrc)	2290	object::deep_clone ()
2363	{	2291	{
2364	object *dst = 0, *tmp, *src, *part, *prev, *item;	2292	assert (("deep_clone called on non-head object", is_head ()));
2365		2293
2366	if (!asrc)	2294	object *dst = clone ();
2367	return 0;
2368		2295
2369	src = asrc;	2296	object *prev = dst;
2370	if (src->head)
2371	src = src->head;
2372
2373	prev = 0;
2374	for (part = src; part; part = part->more)	2297	for (object *part = this->more; part; part = part->more)
2375	{	2298	{
2376	tmp = part->clone ();	2299	object *tmp = part->clone ();
2377	tmp->x -= src->x;
2378	tmp->y -= src->y;
2379
2380	if (!part->head)
2381	{
2382	dst = tmp;
2383	tmp->head = 0;
2384	}
2385	else
2386	tmp->head = dst;	2300	tmp->head = dst;
2387
2388	tmp->more = 0;
2389
2390	if (prev)
2391	prev->more = tmp;	2301	prev->more = tmp;
2392
2393	prev = tmp;	2302	prev = tmp;
2394	}	2303	}
2395		2304
2396	for (item = src->inv; item; item = item->below)	2305	for (object *item = inv; item; item = item->below)
2397	insert_ob_in_ob (object_create_clone (item), dst);	2306	insert_ob_in_ob (item->deep_clone (), dst);
2398		2307
2399	return dst;	2308	return dst;
2400	}	2309	}
2401		2310
2402	/* This returns the first object in who's inventory that	2311	/* This returns the first object in who's inventory that
…		…
2411	return tmp;	2320	return tmp;
2412		2321
2413	return 0;	2322	return 0;
2414	}	2323	}
2415		2324
2416	/* If ob has a field named key, return the link from the list,	2325	shstr_tmp
2417	* otherwise return NULL.	2326	object::kv_get (shstr_tmp key) const
2418	*
2419	* key must be a passed in shared string - otherwise, this won't
2420	* do the desired thing.
2421	*/
2422	key_value *
2423	get_ob_key_link (const object *ob, const char *key)
2424	{	2327	{
2425	for (key_value *link = ob->key_values; link; link = link->next)	2328	for (key_value *kv = key_values; kv; kv = kv->next)
2426	if (link->key == key)	2329	if (kv->key == key)
2427	return link;
2428
2429	return 0;
2430	}
2431
2432	/*
2433	* Returns the value of op has an extra_field for key, or NULL.
2434	*
2435	* The argument doesn't need to be a shared string.
2436	*
2437	* The returned string is shared.
2438	*/
2439	const char *
2440	get_ob_key_value (const object *op, const char *const key)
2441	{
2442	key_value *link;
2443	shstr_cmp canonical_key (key);
2444
2445	if (!canonical_key)
2446	{
2447	/* 1. There being a field named key on any object
2448	* implies there'd be a shared string to find.
2449	* 2. Since there isn't, no object has this field.
2450	* 3. Therefore, *this* object doesn't have this field.
2451	*/
2452	return 0;
2453	}
2454
2455	/* This is copied from get_ob_key_link() above -
2456	* only 4 lines, and saves the function call overhead.
2457	*/
2458	for (link = op->key_values; link; link = link->next)
2459	if (link->key == canonical_key)
2460	return link->value;	2330	return kv->value;
2461		2331
2462	return 0;	2332	return shstr ();
2463	}	2333	}
2464		2334
2465	/*	2335	void
2466	* Updates the canonical_key in op to value.	2336	object::kv_set (shstr_tmp key, shstr_tmp value)
2467	*
2468	* canonical_key is a shared string (value doesn't have to be).
2469	*
2470	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2471	* keys.
2472	*
2473	* Returns TRUE on success.
2474	*/
2475	int
2476	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2477	{	2337	{
2478	key_value *field = NULL, *last = NULL;	2338	for (key_value *kv = key_values; kv; kv = kv->next)
2479		2339	if (kv->key == key)
2480	for (field = op->key_values; field != NULL; field = field->next)
2481	{
2482	if (field->key != canonical_key)
2483	{	2340	{
2484	last = field;	2341	kv->value = value;
2485	continue;	2342	return;
2486	}	2343	}
2487		2344
2488	if (value)	2345	key_value *kv = new key_value;
2489	field->value = value;	2346
2490	else	2347	kv->next = key_values;
		2348	kv->key = key;
		2349	kv->value = value;
		2350
		2351	key_values = kv;
		2352	}
		2353
		2354	void
		2355	object::kv_del (shstr_tmp key)
		2356	{
		2357	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2358	if ((*kvp)->key == key)
2491	{	2359	{
2492	/* Basically, if the archetype has this key set,	2360	key_value *kv = *kvp;
2493	* we need to store the null value so when we save	2361	*kvp = (*kvp)->next;
2494	* it, we save the empty value so that when we load,	2362	delete kv;
2495	* we get this value back again.	2363	return;
2496	*/
2497	if (get_ob_key_link (&op->arch->clone, canonical_key))
2498	field->value = 0;
2499	else
2500	{
2501	if (last)
2502	last->next = field->next;
2503	else
2504	op->key_values = field->next;
2505
2506	delete field;
2507	}
2508	}	2364	}
2509	return TRUE;
2510	}
2511	/* IF we get here, key doesn't exist */
2512
2513	/* No field, we'll have to add it. */
2514
2515	if (!add_key)
2516	return FALSE;
2517
2518	/* There isn't any good reason to store a null
2519	* value in the key/value list. If the archetype has
2520	* this key, then we should also have it, so shouldn't
2521	* be here. If user wants to store empty strings,
2522	* should pass in ""
2523	*/
2524	if (value == NULL)
2525	return TRUE;
2526
2527	field = new key_value;
2528
2529	field->key = canonical_key;
2530	field->value = value;
2531	/* Usual prepend-addition. */
2532	field->next = op->key_values;
2533	op->key_values = field;
2534
2535	return TRUE;
2536	}
2537
2538	/*
2539	* Updates the key in op to value.
2540	*
2541	* If add_key is FALSE, this will only update existing keys,
2542	* and not add new ones.
2543	* In general, should be little reason FALSE is ever passed in for add_key
2544	*
2545	* Returns TRUE on success.
2546	*/
2547	int
2548	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2549	{
2550	shstr key_ (key);
2551
2552	return set_ob_key_value_s (op, key_, value, add_key);
2553	}	2365	}
2554		2366
2555	object::depth_iterator::depth_iterator (object *container)	2367	object::depth_iterator::depth_iterator (object *container)
2556	: iterator_base (container)	2368	: iterator_base (container)
2557	{	2369	{
…		…
2570	item = item->inv;	2382	item = item->inv;
2571	}	2383	}
2572	else	2384	else
2573	item = item->env;	2385	item = item->env;
2574	}	2386	}
2575
2576		2387
2577	const char *	2388	const char *
2578	object::flag_desc (char *desc, int len) const	2389	object::flag_desc (char *desc, int len) const
2579	{	2390	{
2580	char *p = desc;	2391	char *p = desc;
…		…
2608	{	2419	{
2609	char flagdesc[512];	2420	char flagdesc[512];
2610	char info2[256 * 4];	2421	char info2[256 * 4];
2611	char *p = info;	2422	char *p = info;
2612		2423
2613	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2424	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2614	count, uuid.seq,	2425	count,
		2426	uuid.c_str (),
2615	&name,	2427	&name,
2616	title ? "\",title:\"" : "",	2428	title ? ",title:\"" : "",
2617	title ? (const char *)title : "",	2429	title ? (const char *)title : "",
		2430	title ? "\"" : "",
2618	flag_desc (flagdesc, 512), type);	2431	flag_desc (flagdesc, 512), type);
2619		2432
2620	if (env)	2433	if (!flag[FLAG_REMOVED] && env)
2621	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2434	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2622		2435
2623	if (map)	2436	if (map)
2624	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2437	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2625		2438
…		…
2643	}	2456	}
2644		2457
2645	const materialtype_t *	2458	const materialtype_t *
2646	object::dominant_material () const	2459	object::dominant_material () const
2647	{	2460	{
2648	if (materialtype_t *mat = name_to_material (materialname))	2461	if (materialtype_t *mt = name_to_material (materialname))
2649	return mat;	2462	return mt;
2650		2463
2651	// omfg this is slow, this has to be temporary :)
2652	shstr unknown ("unknown");
2653
2654	return name_to_material (unknown);	2464	return name_to_material (shstr_unknown);
2655	}	2465	}
2656		2466
2657	void	2467	void
2658	object::open_container (object *new_container)	2468	object::open_container (object *new_container)
2659	{	2469	{
2660	if (container == new_container)	2470	if (container == new_container)
2661	return;	2471	return;
2662		2472
2663	if (object *old_container = container)	2473	object *old_container = container;
		2474
		2475	if (old_container)
2664	{	2476	{
2665	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2477	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2666	return;	2478	return;
2667		2479
2668	#if 0	2480	#if 0
…		…
2670	if (object *closer = old_container->inv)	2482	if (object *closer = old_container->inv)
2671	if (closer->type == CLOSE_CON)	2483	if (closer->type == CLOSE_CON)
2672	closer->destroy ();	2484	closer->destroy ();
2673	#endif	2485	#endif
2674		2486
		2487	// make sure the container is available
		2488	esrv_send_item (this, old_container);
		2489
2675	old_container->flag [FLAG_APPLIED] = 0;	2490	old_container->flag [FLAG_APPLIED] = false;
2676	container = 0;	2491	container = 0;
2677		2492
		2493	// client needs item update to make it work, client bug requires this to be separate
2678	esrv_update_item (UPD_FLAGS, this, old_container);	2494	esrv_update_item (UPD_FLAGS, this, old_container);
		2495
2679	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2496	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2497	play_sound (sound_find ("chest_close"));
2680	}	2498	}
2681		2499
2682	if (new_container)	2500	if (new_container)
2683	{	2501	{
2684	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2502	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2693	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2511	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2694	new_container->insert (closer);	2512	new_container->insert (closer);
2695	}	2513	}
2696	#endif	2514	#endif
2697		2515
2698	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2516	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2699		2517
		2518	// make sure the container is available, client bug requires this to be separate
		2519	esrv_send_item (this, new_container);
		2520
2700	new_container->flag [FLAG_APPLIED] = 1;	2521	new_container->flag [FLAG_APPLIED] = true;
2701	container = new_container;	2522	container = new_container;
2702		2523
		2524	// client needs flag change
2703	esrv_update_item (UPD_FLAGS, this, new_container);	2525	esrv_update_item (UPD_FLAGS, this, new_container);
2704	esrv_send_inventory (this, new_container);	2526	esrv_send_inventory (this, new_container);
		2527	play_sound (sound_find ("chest_open"));
		2528	}
		2529	// else if (!old_container->env && contr && contr->ns)
		2530	// contr->ns->floorbox_reset ();
		2531	}
		2532
		2533	object *
		2534	object::force_find (shstr_tmp name)
		2535	{
		2536	/* cycle through his inventory to look for the MARK we want to
		2537	* place
		2538	*/
		2539	for (object *tmp = inv; tmp; tmp = tmp->below)
		2540	if (tmp->type == FORCE && tmp->slaying == name)
		2541	return splay (tmp);
		2542
		2543	return 0;
		2544	}
		2545
		2546	object *
		2547	object::force_add (shstr_tmp name, int duration)
		2548	{
		2549	if (object *force = force_find (name))
		2550	force->destroy ();
		2551
		2552	object *force = get_archetype (FORCE_NAME);
		2553
		2554	force->slaying = name;
		2555	force->stats.food = 1;
		2556	force->speed_left = -1.f;
		2557
		2558	force->set_speed (duration ? 1.f / duration : 0.f);
		2559	force->flag [FLAG_IS_USED_UP] = true;
		2560	force->flag [FLAG_APPLIED] = true;
		2561
		2562	return insert (force);
		2563	}
		2564
		2565	void
		2566	object::play_sound (faceidx sound) const
		2567	{
		2568	if (!sound)
		2569	return;
		2570
		2571	if (is_on_map ())
		2572	map->play_sound (sound, x, y);
		2573	else if (object *pl = in_player ())
		2574	pl->contr->play_sound (sound);
		2575	}
		2576
		2577	void
		2578	object::say_msg (const char *msg) const
		2579	{
		2580	if (is_on_map ())
		2581	map->say_msg (msg, x, y);
		2582	else if (object *pl = in_player ())
		2583	pl->contr->play_sound (sound);
		2584	}
		2585
		2586	void
		2587	object::make_noise ()
		2588	{
		2589	// we do not model noise in the map, so instead put
		2590	// a temporary light into the noise source
		2591	// could use the map instead, but that's less reliable for our
		2592	// goal, which is to make invisibility a bit harder to exploit
		2593
		2594	// currently only works sensibly for players
		2595	if (!is_player ())
		2596	return;
		2597
		2598	// find old force, or create new one
		2599	object *force = force_find (shstr_noise_force);
		2600
		2601	if (force)
		2602	force->speed_left = -1.f; // patch old speed up
		2603	else
2705	}	2604	{
2706	}	2605	force = archetype::get (shstr_noise_force);
2707		2606
		2607	force->slaying = shstr_noise_force;
		2608	force->stats.food = 1;
		2609	force->speed_left = -1.f;
2708		2610
		2611	force->set_speed (1.f / 4.f);
		2612	force->flag [FLAG_IS_USED_UP] = true;
		2613	force->flag [FLAG_APPLIED] = true;
		2614
		2615	insert (force);
		2616	}
		2617	}
		2618

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