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Comparing deliantra/server/common/object.C (file contents):
Revision 1.174 by root, Wed Aug 8 04:52:59 2007 UTC vs.
Revision 1.217 by root, Wed Apr 23 07:13:23 2008 UTC

1	/*	1	/*
2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team	4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* Crossfire TRT is free software: you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation, either version 3 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	* (at your option) any later version.	11	* (at your option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
…		…
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	*	20	*
21	* The authors can be reached via e-mail to <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	24	#include <global.h>
28	#include <stdio.h>	25	#include <stdio.h>
29	#include <sys/types.h>	26	#include <sys/types.h>
30	#include <sys/uio.h>	27	#include <sys/uio.h>
31	#include <object.h>	28	#include <object.h>
32	#include <funcpoint.h>
33	#include <sproto.h>	29	#include <sproto.h>
34	#include <loader.h>	30	#include <loader.h>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	int nrofallocobjects = 0;	34	UUID UUID::cur;
39	static UUID uuid;	35	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
41		37
42	objectvec objects;	38	objectvec objects;
43	activevec actives;	39	activevec actives;
44		40
45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	41	short freearr_x[SIZEOFFREE] = {
		42	0,
		43	0, 1, 1, 1, 0, -1, -1, -1,
		44	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
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	45	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
47	};	46	};
48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	47	short freearr_y[SIZEOFFREE] = {
		48	0,
		49	-1, -1, 0, 1, 1, 1, 0, -1,
		50	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
49	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	51	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50	};	52	};
51	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,	53	int maxfree[SIZEOFFREE] = {
		54	0,
		55	9, 10, 13, 14, 17, 18, 21, 22,
		56	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
52	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49	57	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
53	};	58	};
54	int freedir[SIZEOFFREE] = {	59	int freedir[SIZEOFFREE] = {
55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	60	0,
		61	1, 2, 3, 4, 5, 6, 7, 8,
		62	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	63	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
57	};	64	};
58		65
59	static void	66	static void
60	write_uuid (void)	67	write_uuid (uval64 skip, bool sync)
61	{	68	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	69	CALL_BEGIN (2);
63		70	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	71	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	72	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		73	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	74	}
79		75
80	static void	76	static void
81	read_uuid (void)	77	read_uuid (void)
82	{	78	{
83	char filename[MAX_BUF];	79	char filename[MAX_BUF];
84		80
85	sprintf (filename, "%s/uuid", settings.localdir);	81	sprintf (filename, "%s/uuid", settings.localdir);
		82
		83	seq_next_save = 0;
86		84
87	FILE *fp;	85	FILE *fp;
88		86
89	if (!(fp = fopen (filename, "r")))	87	if (!(fp = fopen (filename, "r")))
90	{	88	{
91	if (errno == ENOENT)	89	if (errno == ENOENT)
92	{	90	{
93	LOG (llevInfo, "RESET uid to 1\n");	91	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	92	UUID::cur.seq = 0;
95	write_uuid ();	93	write_uuid (UUID_GAP, true);
96	return;	94	return;
97	}	95	}
98		96
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	98	_exit (1);
101	}	99	}
102		100
103	int version;	101	UUID::BUF buf;
104	unsigned long long uid;	102	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	103	fgets (buf, sizeof (buf), fp);
		104
		105	if (!UUID::cur.parse (buf))
106	{	106	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	107	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	108	_exit (1);
109	}	109	}
110		110
111	uuid.seq = uid;	111	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	112
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	113	write_uuid (UUID_GAP, true);
114	fclose (fp);	114	fclose (fp);
115	}	115	}
116		116
117	UUID	117	UUID
118	gen_uuid ()	118	UUID::gen ()
119	{	119	{
120	UUID uid;	120	UUID uid;
121		121
122	uid.seq = ++uuid.seq;	122	uid.seq = ++cur.seq;
123		123
124	if (!(uuid.seq & (UUID_SKIP - 1)))	124	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	125	{
		126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		127	write_uuid (UUID_GAP, false);
		128	}
		129
126		130
127	return uid;	131	return uid;
128	}	132	}
129		133
130	void	134	void
131	init_uuid ()	135	UUID::init ()
132	{	136	{
133	read_uuid ();	137	read_uuid ();
134	}	138	}
135		139
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	140	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	141	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	142	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	143	{
140	key_value *wants_field;	144	key_value *wants_field;
141		145
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	146	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both
…		…
150	key_value *has_field;	154	key_value *has_field;
151		155
152	/* Look for a field in has with the same key. */	156	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);	157	has_field = get_ob_key_link (has, wants_field->key);
154		158
155	if (has_field == NULL)	159	if (!has_field)
156	{
157	/* No field with that name. */	160	return 0; /* No field with that name. */
158	return FALSE;
159	}
160		161
161	/* Found the matching field. */	162	/* Found the matching field. */
162	if (has_field->value != wants_field->value)	163	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */	164	return 0; /* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167		165
168	/* If we get here, we found a match. Now for the next field in wants. */	166	/* If we get here, we found a match. Now for the next field in wants. */
169	}	167	}
170		168
171	/* If we get here, every field in wants has a matching field in has. */	169	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	170	return 1;
173	}	171	}
174		172
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	173	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	174	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	175	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	176	{
179	/* However, there may be fields in has which aren't partnered in wants,	177	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	178	* so we need to run the comparison *twice*. :(
181	*/	179	*/
…		…
202	|| ob1->speed != ob2->speed	200	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	201	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	202	|| ob1->name != ob2->name)
205	return 0;	203	return 0;
206		204
207	//TODO: this ain't working well, use nicer and correct overflow check	205	/* Do not merge objects if nrof would overflow. First part checks
208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	206	* for unsigned overflow (2c), second part checks whether the result
209	* value could not be stored in a sint32 (which unfortunately sometimes is	207	* would fit into a 32 bit signed int, which is often used to hold
210	* used to store nrof).	208	* nrof values.
211	*/	209	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)	210	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
213	return 0;	211	return 0;
214		212
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	213	/* If the objects have been identified, set the BEEN_APPLIED flag.
216	* This is to the comparison of the flags below will be OK. We	214	* This is to the comparison of the flags below will be OK. We
217	* just can't ignore the been applied or identified flags, as they	215	* just can't ignore the been applied or identified flags, as they
218	* are not equal - just if it has been identified, the been_applied	216	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	217	* flags lose any meaning.
220	*/	218	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		221
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		224
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	225	if (ob1->arch->name != ob2->arch->name
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	226	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	227	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	228	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	229	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	230	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	231	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	232	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	233	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	234	|| ob1->value != ob2->value
…		…
246	|| ob1->move_block != ob2->move_block	241	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	242	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	243	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	244	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	245	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	246	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		247	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		248	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	249	return 0;
253		250
		251	if ((ob1->flag ^ ob2->flag)
		252	.reset (FLAG_INV_LOCKED)
		253	.reset (FLAG_CLIENT_SENT)
		254	.reset (FLAG_REMOVED)
		255	.any ())
		256	return 0;
		257
254	/* This is really a spellbook check - really, we should	258	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	259	* not merge objects with real inventories, as splitting them
		260	* is hard.
256	*/	261	*/
257	if (ob1->inv || ob2->inv)	262	if (ob1->inv || ob2->inv)
258	{	263	{
259	/* if one object has inventory but the other doesn't, not equiv */	264	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	265	return 0; /* inventories differ in length */
261	return 0;
262		266
263	/* Now check to see if the two inventory objects could merge */	267	if (ob1->inv->below || ob2->inv->below)
		268	return 0; /* more than one object in inv */
		269
264	if (!object::can_merge (ob1->inv, ob2->inv))	270	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	271	return 0; /* inventory objects differ */
266		272
267	/* inventory ok - still need to check rest of this object to see	273	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	274	* if it is valid.
269	*/	275	*/
270	}	276	}
…		…
289	if (ob1->level != ob2->level)	295	if (ob1->level != ob2->level)
290	return 0;	296	return 0;
291	break;	297	break;
292	}	298	}
293		299
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	300	if (ob1->key_values || ob2->key_values)
295	{	301	{
296	/* At least one of these has key_values. */	302	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	303	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	304	return 0; /* One has fields, but the other one doesn't. */
299	return 0;	305
300	else if (!compare_ob_value_lists (ob1, ob2))	306	if (!compare_ob_value_lists (ob1, ob2))
301	return 0;	307	return 0;
302	}	308	}
303		309
304	if (ob1->self || ob2->self)	310	if (ob1->self || ob2->self)
305	{	311	{
306	ob1->optimise ();	312	ob1->optimise ();
307	ob2->optimise ();	313	ob2->optimise ();
308		314
309	if (ob1->self || ob2->self)	315	if (ob1->self || ob2->self)
		316	{
		317	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		318	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		319
		320	if (k1 != k2)
		321	return 0;
		322
		323	if (k1 == 0)
		324	return 1;
		325
310	if (!cfperl_can_merge (ob1, ob2))	326	if (!cfperl_can_merge (ob1, ob2))
311	return 0;	327	return 0;
		328	}
312	}	329	}
313		330
314	/* Everything passes, must be OK. */	331	/* Everything passes, must be OK. */
315	return 1;	332	return 1;
316	}	333	}
317		334
		335	// find player who can see this object
		336	object *
		337	object::visible_to () const
		338	{
		339	if (!flag [FLAG_REMOVED])
		340	{
		341	// see if we are in a container of sorts
		342	if (env)
		343	{
		344	// the player inventory itself is always visible
		345	if (env->type == PLAYER)
		346	return env;
		347
		348	// else a player could have our env open
		349	object *envest = env->outer_env ();
		350
		351	// the player itself is always on a map, so we will find him here
		352	// even if our inv is in a player.
		353	if (envest->is_on_map ())
		354	if (object *pl = envest->ms ().player ())
		355	if (pl->container == env)
		356	return pl;
		357	}
		358	else
		359	{
		360	// maybe there is a player standing on the same mapspace
		361	// this will catch the case where "this" is a player
		362	if (object *pl = ms ().player ())
		363	return pl;
		364	}
		365	}
		366
		367	return 0;
		368	}
		369
		370	// adjust weight per container type ("of holding")
		371	static sint32
		372	weight_adjust (object *op, sint32 weight)
		373	{
		374	return op->type == CONTAINER
		375	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		376	: weight;
		377	}
		378
318	/*	379	/*
		380	* adjust_weight(object, weight) adds the specified weight to an object,
		381	* and also updates how much the environment(s) is/are carrying.
		382	*/
		383	static void
		384	adjust_weight (object *op, sint32 weight)
		385	{
		386	while (op)
		387	{
		388	weight = weight_adjust (op, weight);
		389
		390	if (!weight)
		391	return;
		392
		393	op->carrying += weight;
		394
		395	if (object *pl = op->visible_to ())
		396	if (pl != op) // player is handled lazily
		397	esrv_update_item (UPD_WEIGHT, pl, op);
		398
		399	op = op->env;
		400	}
		401	}
		402
		403	/*
319	* sum_weight() is a recursive function which calculates the weight	404	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	405	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	406	* containers are carrying, and sums it up.
322	*/	407	*/
323	long	408	void
324	sum_weight (object *op)	409	object::update_weight ()
325	{	410	{
326	long sum;	411	sint32 sum = 0;
327	object *inv;
328		412
329	for (sum = 0, inv = op->inv; inv; inv = inv->below)	413	for (object *op = inv; op; op = op->below)
330	{	414	{
331	if (inv->inv)	415	if (op->inv)
332	sum_weight (inv);	416	op->update_weight ();
333		417
334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	418	sum += op->total_weight ();
		419	}
		420
		421	sum = weight_adjust (this, sum);
		422
		423	if (sum != carrying)
335	}	424	{
336
337	if (op->type == CONTAINER && op->stats.Str)
338	sum = (sum * (100 - op->stats.Str)) / 100;
339
340	if (op->carrying != sum)
341	op->carrying = sum;	425	carrying = sum;
342		426
343	return sum;	427	if (object *pl = visible_to ())
		428	if (pl != this) // player is handled lazily
		429	esrv_update_item (UPD_WEIGHT, pl, this);
		430	}
344	}	431	}
345		432
346	/**	433	/*
347	* Return the outermost environment object for a given object.	434	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
348	*/
349
350	object *
351	object_get_env_recursive (object *op)
352	{
353	while (op->env != NULL)
354	op = op->env;
355	return op;
356	}
357
358	/*
359	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
360	* Some error messages.
361	* The result of the dump is stored in the static global errmsg array.
362	*/	435	*/
363	char *	436	char *
364	dump_object (object *op)	437	dump_object (object *op)
365	{	438	{
366	if (!op)	439	if (!op)
…		…
374	/*	447	/*
375	* get_nearest_part(multi-object, object 2) returns the part of the	448	* get_nearest_part(multi-object, object 2) returns the part of the
376	* multi-object 1 which is closest to the second object.	449	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.	450	* If it's not a multi-object, it is returned.
378	*/	451	*/
379
380	object *	452	object *
381	get_nearest_part (object *op, const object *pl)	453	get_nearest_part (object *op, const object *pl)
382	{	454	{
383	object *tmp, *closest;	455	object *tmp, *closest;
384	int last_dist, i;	456	int last_dist, i;
385		457
386	if (op->more == NULL)	458	if (!op->more)
387	return op;	459	return op;
		460
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	461	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		462	tmp;
		463	tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)	464	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;	465	closest = tmp, last_dist = i;
		466
391	return closest;	467	return closest;
392	}	468	}
393		469
394	/*	470	/*
395	* Returns the object which has the count-variable equal to the argument.	471	* Returns the object which has the count-variable equal to the argument.
		472	* VERRRY slow.
396	*/	473	*/
397	object *	474	object *
398	find_object (tag_t i)	475	find_object (tag_t i)
399	{	476	{
400	for_all_objects (op)	477	for_all_objects (op)
…		…
420	break;	497	break;
421		498
422	return op;	499	return op;
423	}	500	}
424		501
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}
430
431	/*	502	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	503	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	504	* skill and experience objects.
		505	* ACTUALLY NO! investigate! TODO
434	*/	506	*/
435	void	507	void
436	object::set_owner (object *owner)	508	object::set_owner (object *owner)
437	{	509	{
		510	// allow objects which own objects
438	if (!owner)	511	if (owner)
439	return;
440
441	/* next line added to allow objects which own objects */
442	/* Add a check for ownercounts in here, as I got into an endless loop
443	* with the fireball owning a poison cloud which then owned the
444	* fireball. I believe that was caused by one of the objects getting
445	* freed and then another object replacing it. Since the ownercounts
446	* didn't match, this check is valid and I believe that cause is valid.
447	*/
448	while (owner->owner)	512	while (owner->owner)
449	owner = owner->owner;	513	owner = owner->owner;
		514
		515	if (flag [FLAG_FREED])
		516	{
		517	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		518	return;
		519	}
450		520
451	this->owner = owner;	521	this->owner = owner;
452	}	522	}
453		523
454	int	524	int
…		…
586	object::copy_to (object *dst)	656	object::copy_to (object *dst)
587	{	657	{
588	*dst = *this;	658	*dst = *this;
589		659
590	if (speed < 0)	660	if (speed < 0)
591	dst->speed_left = speed_left - rndm ();	661	dst->speed_left -= rndm ();
592		662
593	dst->set_speed (dst->speed);	663	dst->set_speed (dst->speed);
594	}	664	}
595		665
596	void	666	void
597	object::instantiate ()	667	object::instantiate ()
598	{	668	{
599	if (!uuid.seq) // HACK	669	if (!uuid.seq) // HACK
600	uuid = gen_uuid ();	670	uuid = UUID::gen ();
601		671
602	speed_left = -0.1f;	672	speed_left = -0.1f;
603	/* copy the body_info to the body_used - this is only really	673	/* copy the body_info to the body_used - this is only really
604	* need for monsters, but doesn't hurt to do it for everything.	674	* need for monsters, but doesn't hurt to do it for everything.
605	* by doing so, when a monster is created, it has good starting	675	* by doing so, when a monster is created, it has good starting
…		…
764	static int object_count;	834	static int object_count;
765		835
766	void object::link ()	836	void object::link ()
767	{	837	{
768	assert (!index);//D	838	assert (!index);//D
769	uuid = gen_uuid ();	839	uuid = UUID::gen ();
770	count = ++object_count;	840	count = ++object_count;
771		841
772	refcnt_inc ();	842	refcnt_inc ();
773	objects.insert (this);	843	objects.insert (this);
774	}	844	}
…		…
847	object::destroy_inv (bool drop_to_ground)	917	object::destroy_inv (bool drop_to_ground)
848	{	918	{
849	// need to check first, because the checks below might segfault	919	// need to check first, because the checks below might segfault
850	// as we might be on an invalid mapspace and crossfire code	920	// as we might be on an invalid mapspace and crossfire code
851	// is too buggy to ensure that the inventory is empty.	921	// is too buggy to ensure that the inventory is empty.
852	// corollary: if you create arrows etc. with stuff in tis inventory,	922	// corollary: if you create arrows etc. with stuff in its inventory,
853	// cf will crash below with off-map x and y	923	// cf will crash below with off-map x and y
854	if (!inv)	924	if (!inv)
855	return;	925	return;
856		926
857	/* Only if the space blocks everything do we not process -	927	/* Only if the space blocks everything do we not process -
858	* if some form of movement is allowed, let objects	928	* if some form of movement is allowed, let objects
859	* drop on that space.	929	* drop on that space.
860	*/	930	*/
861	if (!drop_to_ground	931	if (!drop_to_ground
862	|| !map	932	|| !map
863	|| map->in_memory != MAP_IN_MEMORY	933	|| map->in_memory != MAP_ACTIVE
864	|| map->nodrop	934	|| map->nodrop
865	|| ms ().move_block == MOVE_ALL)	935	|| ms ().move_block == MOVE_ALL)
866	{	936	{
867	while (inv)	937	while (inv)
868	{	938	{
869	inv->destroy_inv (drop_to_ground);	939	inv->destroy_inv (false);
870	inv->destroy ();	940	inv->destroy ();
871	}	941	}
872	}	942	}
873	else	943	else
874	{ /* Put objects in inventory onto this space */	944	{ /* Put objects in inventory onto this space */
…		…
880	|| op->flag [FLAG_NO_DROP]	950	|| op->flag [FLAG_NO_DROP]
881	|| op->type == RUNE	951	|| op->type == RUNE
882	|| op->type == TRAP	952	|| op->type == TRAP
883	|| op->flag [FLAG_IS_A_TEMPLATE]	953	|| op->flag [FLAG_IS_A_TEMPLATE]
884	|| op->flag [FLAG_DESTROY_ON_DEATH])	954	|| op->flag [FLAG_DESTROY_ON_DEATH])
885	op->destroy ();	955	op->destroy (true);
886	else	956	else
887	map->insert (op, x, y);	957	map->insert (op, x, y);
888	}	958	}
889	}	959	}
890	}	960	}
…		…
897	}	967	}
898		968
899	void	969	void
900	object::do_destroy ()	970	object::do_destroy ()
901	{	971	{
902	attachable::do_destroy ();
903
904	if (flag [FLAG_IS_LINKED])	972	if (flag [FLAG_IS_LINKED])
905	remove_button_link (this);	973	remove_button_link (this);
906		974
907	if (flag [FLAG_FRIENDLY])	975	if (flag [FLAG_FRIENDLY])
908	remove_friendly_object (this);	976	remove_friendly_object (this);
909		977
910	if (!flag [FLAG_REMOVED])
911	remove ();	978	remove ();
912		979
913	destroy_inv (true);	980	attachable::do_destroy ();
914		981
915	deactivate ();	982	deactivate ();
916	unlink ();	983	unlink ();
917		984
918	flag [FLAG_FREED] = 1;	985	flag [FLAG_FREED] = 1;
…		…
923		990
924	if (!freed_map)	991	if (!freed_map)
925	{	992	{
926	freed_map = new maptile;	993	freed_map = new maptile;
927		994
		995	freed_map->path = "<freed objects map>";
928	freed_map->name = "/internal/freed_objects_map";	996	freed_map->name = "/internal/freed_objects_map";
929	freed_map->width = 3;	997	freed_map->width = 3;
930	freed_map->height = 3;	998	freed_map->height = 3;
		999	freed_map->nodrop = 1;
931		1000
932	freed_map->alloc ();	1001	freed_map->alloc ();
933	freed_map->in_memory = MAP_IN_MEMORY;	1002	freed_map->in_memory = MAP_ACTIVE;
934	}	1003	}
935		1004
936	map = freed_map;	1005	map = freed_map;
937	x = 1;	1006	x = 1;
938	y = 1;	1007	y = 1;
…		…
957	object::destroy (bool destroy_inventory)	1026	object::destroy (bool destroy_inventory)
958	{	1027	{
959	if (destroyed ())	1028	if (destroyed ())
960	return;	1029	return;
961		1030
962	if (destroy_inventory)	1031	destroy_inv (!destroy_inventory);
963	destroy_inv (false);
964		1032
965	if (is_head ())	1033	if (is_head ())
966	if (sound_destroy)	1034	if (sound_destroy)
967	play_sound (sound_destroy);	1035	play_sound (sound_destroy);
968	else if (flag [FLAG_MONSTER])	1036	else if (flag [FLAG_MONSTER])
969	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism	1037	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
970		1038
971	attachable::destroy ();	1039	attachable::destroy ();
972	}
973
974	/*
975	* sub_weight() recursively (outwards) subtracts a number from the
976	* weight of an object (and what is carried by it's environment(s)).
977	*/
978	void
979	sub_weight (object *op, signed long weight)
980	{
981	while (op != NULL)
982	{
983	if (op->type == CONTAINER)
984	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
985
986	op->carrying -= weight;
987	op = op->env;
988	}
989	}	1040	}
990		1041
991	/* op->remove ():	1042	/* op->remove ():
992	* This function removes the object op from the linked list of objects	1043	* This function removes the object op from the linked list of objects
993	* which it is currently tied to. When this function is done, the	1044	* which it is currently tied to. When this function is done, the
…		…
999	object::do_remove ()	1050	object::do_remove ()
1000	{	1051	{
1001	object *tmp, *last = 0;	1052	object *tmp, *last = 0;
1002	object *otmp;	1053	object *otmp;
1003		1054
1004	if (QUERY_FLAG (this, FLAG_REMOVED))	1055	if (flag [FLAG_REMOVED])
1005	return;	1056	return;
1006		1057
1007	SET_FLAG (this, FLAG_REMOVED);
1008	INVOKE_OBJECT (REMOVE, this);	1058	INVOKE_OBJECT (REMOVE, this);
		1059
		1060	if (object *pl = visible_to ())
		1061	esrv_del_item (pl->contr, count);
		1062
		1063	flag [FLAG_REMOVED] = true;
1009		1064
1010	if (more)	1065	if (more)
1011	more->remove ();	1066	more->remove ();
1012		1067
1013	/*	1068	/*
1014	* In this case, the object to be removed is in someones	1069	* In this case, the object to be removed is in someones
1015	* inventory.	1070	* inventory.
1016	*/	1071	*/
1017	if (env)	1072	if (env)
1018	{	1073	{
		1074	adjust_weight (env, -total_weight ());
		1075
		1076	*(above ? &above->below : &env->inv) = below;
		1077
1019	if (nrof)	1078	if (below)
1020	sub_weight (env, weight * nrof);	1079	below->above = above;
1021	else	1080
1022	sub_weight (env, weight + carrying);	1081	/* we set up values so that it could be inserted into
		1082	* the map, but we don't actually do that - it is up
		1083	* to the caller to decide what we want to do.
		1084	*/
		1085	map = env->map;
		1086	x = env->x;
		1087	y = env->y;
		1088	above = 0;
		1089	below = 0;
		1090	env = 0;
1023		1091
1024	/* NO_FIX_PLAYER is set when a great many changes are being	1092	/* NO_FIX_PLAYER is set when a great many changes are being
1025	* made to players inventory. If set, avoiding the call	1093	* made to players inventory. If set, avoiding the call
1026	* to save cpu time.	1094	* to save cpu time.
1027	*/	1095	*/
1028	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1096	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1029	otmp->update_stats ();	1097	otmp->update_stats ();
1030
1031	if (above)
1032	above->below = below;
1033	else
1034	env->inv = below;
1035
1036	if (below)
1037	below->above = above;
1038
1039	/* we set up values so that it could be inserted into
1040	* the map, but we don't actually do that - it is up
1041	* to the caller to decide what we want to do.
1042	*/
1043	x = env->x, y = env->y;
1044	map = env->map;
1045	above = 0, below = 0;
1046	env = 0;
1047	}	1098	}
1048	else if (map)	1099	else if (map)
1049	{	1100	{
1050	if (type == PLAYER)	1101	if (type == PLAYER)
1051	{	1102	{
…		…
1089	if (map->in_memory == MAP_SAVING)	1140	if (map->in_memory == MAP_SAVING)
1090	return;	1141	return;
1091		1142
1092	int check_walk_off = !flag [FLAG_NO_APPLY];	1143	int check_walk_off = !flag [FLAG_NO_APPLY];
1093		1144
		1145	if (object *pl = ms.player ())
		1146	{
		1147	if (pl->container == this)
		1148	/* If a container that the player is currently using somehow gets
		1149	* removed (most likely destroyed), update the player view
		1150	* appropriately.
		1151	*/
		1152	pl->close_container ();
		1153
		1154	esrv_del_item (pl, count);
		1155	}
		1156
1094	for (tmp = ms.bot; tmp; tmp = tmp->above)	1157	for (tmp = ms.bot; tmp; tmp = tmp->above)
1095	{	1158	{
1096	/* 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
1097	* being removed.	1160	* being removed.
1098	*/	1161	*/
1099
1100	if (tmp->type == PLAYER && tmp->container == this)
1101	/* If a container that the player is currently using somehow gets
1102	* removed (most likely destroyed), update the player view
1103	* appropriately.
1104	*/
1105	tmp->close_container ();
1106		1162
1107	/* See if object moving off should effect something */	1163	/* See if object moving off should effect something */
1108	if (check_walk_off	1164	if (check_walk_off
1109	&& ((move_type & tmp->move_off)	1165	&& ((move_type & tmp->move_off)
1110	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1166	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1142	merge_ob (object *op, object *top)	1198	merge_ob (object *op, object *top)
1143	{	1199	{
1144	if (!op->nrof)	1200	if (!op->nrof)
1145	return 0;	1201	return 0;
1146		1202
1147	if (top)	1203	if (!top)
1148	for (top = op; top && top->above; top = top->above)	1204	for (top = op; top && top->above; top = top->above)
1149	;	1205	;
1150		1206
1151	for (; top; top = top->below)	1207	for (; top; top = top->below)
1152	{
1153	if (top == op)
1154	continue;
1155
1156	if (object::can_merge (op, top))	1208	if (object::can_merge (op, top))
1157	{	1209	{
1158	top->nrof += op->nrof;	1210	top->nrof += op->nrof;
1159		1211
1160	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1212	if (object *pl = top->visible_to ())
1161	op->weight = 0; /* Don't want any adjustements now */	1213	esrv_update_item (UPD_NROF, pl, top);
		1214
		1215	op->weight = 0; // cancel the addition above
		1216	op->carrying = 0; // must be 0 already
		1217
1162	op->destroy ();	1218	op->destroy (1);
		1219
1163	return top;	1220	return top;
1164	}	1221	}
1165	}
1166		1222
1167	return 0;	1223	return 0;
1168	}	1224	}
1169		1225
1170	void	1226	void
…		…
1233		1289
1234	object *top, *floor = NULL;	1290	object *top, *floor = NULL;
1235		1291
1236	op->remove ();	1292	op->remove ();
1237		1293
1238	#if 0
1239	if (!m->active != !op->active)
1240	if (m->active)
1241	op->activate_recursive ();
1242	else
1243	op->deactivate_recursive ();
1244	#endif
1245
1246	if (out_of_map (m, op->x, op->y))
1247	{
1248	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1249	#ifdef MANY_CORES
1250	/* Better to catch this here, as otherwise the next use of this object
1251	* is likely to cause a crash. Better to find out where it is getting
1252	* improperly inserted.
1253	*/
1254	abort ();
1255	#endif
1256	return op;
1257	}
1258
1259	if (object *more = op->more)
1260	if (!insert_ob_in_map (more, m, originator, flag))
1261	return 0;
1262
1263	CLEAR_FLAG (op, FLAG_REMOVED);
1264
1265	/* Ideally, the caller figures this out. However, it complicates a lot	1294	/* Ideally, the caller figures this out. However, it complicates a lot
1266	* of areas of callers (eg, anything that uses find_free_spot would now	1295	* of areas of callers (eg, anything that uses find_free_spot would now
1267	* need extra work	1296	* need extra work
1268	*/	1297	*/
1269	if (!xy_normalise (m, op->x, op->y))	1298	if (!xy_normalise (m, op->x, op->y))
		1299	{
		1300	op->destroy (1);
1270	return 0;	1301	return 0;
		1302	}
		1303
		1304	if (object *more = op->more)
		1305	if (!insert_ob_in_map (more, m, originator, flag))
		1306	return 0;
		1307
		1308	CLEAR_FLAG (op, FLAG_REMOVED);
1271		1309
1272	op->map = m;	1310	op->map = m;
1273	mapspace &ms = op->ms ();	1311	mapspace &ms = op->ms ();
1274		1312
1275	/* this has to be done after we translate the coordinates.	1313	/* this has to be done after we translate the coordinates.
…		…
1277	if (op->nrof && !(flag & INS_NO_MERGE))	1315	if (op->nrof && !(flag & INS_NO_MERGE))
1278	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1316	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1279	if (object::can_merge (op, tmp))	1317	if (object::can_merge (op, tmp))
1280	{	1318	{
1281	op->nrof += tmp->nrof;	1319	op->nrof += tmp->nrof;
1282	tmp->destroy ();	1320	tmp->destroy (1);
1283	}	1321	}
1284		1322
1285	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1323	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1286	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1324	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1287		1325
…		…
1310	else	1348	else
1311	{	1349	{
1312	top = ms.bot;	1350	top = ms.bot;
1313		1351
1314	/* If there are other objects, then */	1352	/* If there are other objects, then */
1315	if ((!(flag & INS_MAP_LOAD)) && top)	1353	if (top)
1316	{	1354	{
1317	object *last = 0;	1355	object *last = 0;
1318		1356
1319	/*	1357	/*
1320	* If there are multiple objects on this space, we do some trickier handling.	1358	* If there are multiple objects on this space, we do some trickier handling.
…		…
1372	*/	1410	*/
1373	if (last && last->below && last != floor)	1411	if (last && last->below && last != floor)
1374	top = last->below;	1412	top = last->below;
1375	}	1413	}
1376	} /* If objects on this space */	1414	} /* If objects on this space */
1377	if (flag & INS_MAP_LOAD)
1378	top = ms.top;
1379		1415
1380	if (flag & INS_ABOVE_FLOOR_ONLY)	1416	if (flag & INS_ABOVE_FLOOR_ONLY)
1381	top = floor;	1417	top = floor;
1382		1418
1383	/* Top is the object that our object (op) is going to get inserted above.	1419	/* Top is the object that our object (op) is going to get inserted above.
…		…
1416	op->map->touch ();	1452	op->map->touch ();
1417	}	1453	}
1418		1454
1419	op->map->dirty = true;	1455	op->map->dirty = true;
1420		1456
1421	/* If we have a floor, we know the player, if any, will be above
1422	* it, so save a few ticks and start from there.
1423	*/
1424	if (!(flag & INS_MAP_LOAD))
1425	if (object *pl = ms.player ())	1457	if (object *pl = ms.player ())
1426	if (pl->contr->ns)	1458	esrv_send_item (pl, op);
1427	pl->contr->ns->floorbox_update ();
1428		1459
1429	/* If this object glows, it may affect lighting conditions that are	1460	/* If this object glows, it may affect lighting conditions that are
1430	* visible to others on this map. But update_all_los is really	1461	* visible to others on this map. But update_all_los is really
1431	* an inefficient way to do this, as it means los for all players	1462	* an inefficient way to do this, as it means los for all players
1432	* on the map will get recalculated. The players could very well	1463	* on the map will get recalculated. The players could very well
…		…
1474	* op is the object to insert it under: supplies x and the map.	1505	* op is the object to insert it under: supplies x and the map.
1475	*/	1506	*/
1476	void	1507	void
1477	replace_insert_ob_in_map (const char *arch_string, object *op)	1508	replace_insert_ob_in_map (const char *arch_string, object *op)
1478	{	1509	{
1479	object *tmp, *tmp1;
1480
1481	/* first search for itself and remove any old instances */	1510	/* first search for itself and remove any old instances */
1482		1511
1483	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1512	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1484	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1513	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1485	tmp->destroy ();	1514	tmp->destroy (1);
1486		1515
1487	tmp1 = arch_to_object (archetype::find (arch_string));	1516	object *tmp = arch_to_object (archetype::find (arch_string));
1488		1517
1489	tmp1->x = op->x;	1518	tmp->x = op->x;
1490	tmp1->y = op->y;	1519	tmp->y = op->y;
		1520
1491	insert_ob_in_map (tmp1, op->map, op, 0);	1521	insert_ob_in_map (tmp, op->map, op, 0);
1492	}	1522	}
1493		1523
1494	object *	1524	object *
1495	object::insert_at (object *where, object *originator, int flags)	1525	object::insert_at (object *where, object *originator, int flags)
1496	{	1526	{
		1527	if (where->env)
		1528	return where->env->insert (this);
		1529	else
1497	return where->map->insert (this, where->x, where->y, originator, flags);	1530	return where->map->insert (this, where->x, where->y, originator, flags);
1498	}	1531	}
1499		1532
1500	/*	1533	/*
1501	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1502	* is returned contains nr objects, and the remaining parts contains
1503	* the rest (or is removed and freed if that number is 0).
1504	* On failure, NULL is returned, and the reason put into the
1505	* global static errmsg array.
1506	*/
1507	object *
1508	get_split_ob (object *orig_ob, uint32 nr)
1509	{
1510	object *newob;
1511	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1512
1513	if (orig_ob->nrof < nr)
1514	{
1515	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1516	return NULL;
1517	}
1518
1519	newob = object_create_clone (orig_ob);
1520
1521	if ((orig_ob->nrof -= nr) < 1)
1522	orig_ob->destroy (1);
1523	else if (!is_removed)
1524	{
1525	if (orig_ob->env != NULL)
1526	sub_weight (orig_ob->env, orig_ob->weight * nr);
1527	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1528	{
1529	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1530	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1531	return NULL;
1532	}
1533	}
1534
1535	newob->nrof = nr;
1536
1537	return newob;
1538	}
1539
1540	/*
1541	* decrease_ob_nr(object, number) decreases a specified number from	1534	* decrease(object, number) decreases a specified number from
1542	* the amount of an object. If the amount reaches 0, the object	1535	* the amount of an object. If the amount reaches 0, the object
1543	* is subsequently removed and freed.	1536	* is subsequently removed and freed.
1544	*	1537	*
1545	* Return value: 'op' if something is left, NULL if the amount reached 0	1538	* Return value: 'op' if something is left, NULL if the amount reached 0
1546	*/	1539	*/
		1540	bool
		1541	object::decrease (sint32 nr)
		1542	{
		1543	if (!nr)
		1544	return true;
		1545
		1546	nr = min (nr, nrof);
		1547
		1548	nrof -= nr;
		1549
		1550	if (nrof)
		1551	{
		1552	adjust_weight (env, -weight * nr); // carrying == 0
		1553
		1554	if (object *pl = visible_to ())
		1555	esrv_update_item (UPD_NROF, pl, this);
		1556
		1557	return true;
		1558	}
		1559	else
		1560	{
		1561	destroy (1);
		1562	return false;
		1563	}
		1564	}
		1565
		1566	/*
		1567	* split(ob,nr) splits up ob into two parts. The part which
		1568	* is returned contains nr objects, and the remaining parts contains
		1569	* the rest (or is removed and returned if that number is 0).
		1570	* On failure, NULL is returned.
		1571	*/
1547	object *	1572	object *
1548	decrease_ob_nr (object *op, uint32 i)	1573	object::split (sint32 nr)
1549	{	1574	{
1550	object *tmp;	1575	int have = number_of ();
1551		1576
1552	if (i == 0) /* objects with op->nrof require this check */	1577	if (have < nr)
1553	return op;	1578	return 0;
1554		1579	else if (have == nr)
1555	if (i > op->nrof)
1556	i = op->nrof;
1557
1558	if (QUERY_FLAG (op, FLAG_REMOVED))
1559	op->nrof -= i;
1560	else if (op->env)
1561	{	1580	{
1562	/* is this object in the players inventory, or sub container
1563	* therein?
1564	*/
1565	tmp = op->in_player ();
1566	/* nope. Is this a container the player has opened?
1567	* If so, set tmp to that player.
1568	* IMO, searching through all the players will mostly
1569	* likely be quicker than following op->env to the map,
1570	* and then searching the map for a player.
1571	*/
1572	if (!tmp)
1573	for_all_players (pl)
1574	if (pl->ob->container == op->env)
1575	{
1576	tmp = pl->ob;
1577	break;
1578	}
1579
1580	if (i < op->nrof)
1581	{
1582	sub_weight (op->env, op->weight * i);
1583	op->nrof -= i;
1584	if (tmp)
1585	esrv_send_item (tmp, op);
1586	}
1587	else
1588	{
1589	op->remove ();	1581	remove ();
1590	op->nrof = 0;	1582	return this;
1591	if (tmp)
1592	esrv_del_item (tmp->contr, op->count);
1593	}
1594	}	1583	}
1595	else	1584	else
1596	{	1585	{
1597	object *above = op->above;	1586	decrease (nr);
1598		1587
1599	if (i < op->nrof)	1588	object *op = object_create_clone (this);
1600	op->nrof -= i;	1589	op->nrof = nr;
1601	else
1602	{
1603	op->remove ();
1604	op->nrof = 0;
1605	}
1606
1607	/* Since we just removed op, op->above is null */
1608	for (tmp = above; tmp; tmp = tmp->above)
1609	if (tmp->type == PLAYER)
1610	{
1611	if (op->nrof)
1612	esrv_send_item (tmp, op);
1613	else
1614	esrv_del_item (tmp->contr, op->count);
1615	}
1616	}
1617
1618	if (op->nrof)
1619	return op;	1590	return op;
1620	else
1621	{
1622	op->destroy ();
1623	return 0;
1624	}
1625	}
1626
1627	/*
1628	* add_weight(object, weight) adds the specified weight to an object,
1629	* and also updates how much the environment(s) is/are carrying.
1630	*/
1631	void
1632	add_weight (object *op, signed long weight)
1633	{
1634	while (op != NULL)
1635	{
1636	if (op->type == CONTAINER)
1637	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1638
1639	op->carrying += weight;
1640	op = op->env;
1641	}	1591	}
1642	}	1592	}
1643		1593
1644	object *	1594	object *
1645	insert_ob_in_ob (object *op, object *where)	1595	insert_ob_in_ob (object *op, object *where)
…		…
1670	* be != op, if items are merged. -Tero	1620	* be != op, if items are merged. -Tero
1671	*/	1621	*/
1672	object *	1622	object *
1673	object::insert (object *op)	1623	object::insert (object *op)
1674	{	1624	{
1675	object *tmp, *otmp;
1676
1677	if (!QUERY_FLAG (op, FLAG_REMOVED))
1678	op->remove ();
1679
1680	if (op->more)	1625	if (op->more)
1681	{	1626	{
1682	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1627	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1683	return op;	1628	return op;
1684	}	1629	}
1685		1630
1686	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1631	op->remove ();
1687	CLEAR_FLAG (op, FLAG_REMOVED);	1632
		1633	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1634
1688	if (op->nrof)	1635	if (op->nrof)
1689	{
1690	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1636	for (object *tmp = inv; tmp; tmp = tmp->below)
1691	if (object::can_merge (tmp, op))	1637	if (object::can_merge (tmp, op))
1692	{	1638	{
1693	/* return the original object and remove inserted object	1639	/* return the original object and remove inserted object
1694	(client needs the original object) */	1640	(client needs the original object) */
1695	tmp->nrof += op->nrof;	1641	tmp->nrof += op->nrof;
1696	/* Weight handling gets pretty funky. Since we are adding to	1642
1697	* tmp->nrof, we need to increase the weight.	1643	if (object *pl = tmp->visible_to ())
1698	*/	1644	esrv_update_item (UPD_NROF, pl, tmp);
		1645
1699	add_weight (this, op->weight * op->nrof);	1646	adjust_weight (this, op->total_weight ());
1700	SET_FLAG (op, FLAG_REMOVED);	1647
1701	op->destroy (); /* free the inserted object */	1648	op->destroy (1);
1702	op = tmp;	1649	op = tmp;
1703	op->remove (); /* and fix old object's links */	1650	goto inserted;
1704	CLEAR_FLAG (op, FLAG_REMOVED);
1705	break;
1706	}	1651	}
1707		1652
1708	/* I assume combined objects have no inventory	1653	op->owner = 0; // it's his/hers now. period.
1709	* We add the weight - this object could have just been removed
1710	* (if it was possible to merge). calling remove_ob will subtract
1711	* the weight, so we need to add it in again, since we actually do
1712	* the linking below
1713	*/
1714	add_weight (this, op->weight * op->nrof);
1715	}
1716	else
1717	add_weight (this, (op->weight + op->carrying));
1718
1719	otmp = this->in_player ();
1720	if (otmp && otmp->contr)
1721	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1722	otmp->update_stats ();
1723
1724	op->map = 0;	1654	op->map = 0;
1725	op->env = this;	1655	op->x = 0;
		1656	op->y = 0;
		1657
1726	op->above = 0;	1658	op->above = 0;
1727	op->below = 0;	1659	op->below = inv;
1728	op->x = 0, op->y = 0;	1660	op->env = this;
1729		1661
		1662	if (inv)
		1663	inv->above = op;
		1664
		1665	inv = op;
		1666
		1667	op->flag [FLAG_REMOVED] = 0;
		1668
		1669	if (object *pl = op->visible_to ())
		1670	esrv_send_item (pl, op);
		1671
		1672	adjust_weight (this, op->total_weight ());
		1673
		1674	inserted:
1730	/* reset the light list and los of the players on the map */	1675	/* reset the light list and los of the players on the map */
1731	if ((op->glow_radius != 0) && map)	1676	if (op->glow_radius && map && map->darkness)
1732	{
1733	#ifdef DEBUG_LIGHTS
1734	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1735	#endif /* DEBUG_LIGHTS */
1736	if (map->darkness)
1737	update_all_los (map, x, y);	1677	update_all_los (map, x, y);
1738	}
1739		1678
1740	/* Client has no idea of ordering so lets not bother ordering it here.	1679	// if this is a player's inventory, update stats
1741	* It sure simplifies this function...	1680	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1742	*/	1681	update_stats ();
1743	if (!inv)
1744	inv = op;
1745	else
1746	{
1747	op->below = inv;
1748	op->below->above = op;
1749	inv = op;
1750	}
1751		1682
1752	INVOKE_OBJECT (INSERT, this);	1683	INVOKE_OBJECT (INSERT, this);
1753		1684
1754	return op;	1685	return op;
1755	}	1686	}
…		…
1970	* activate recursively a flag on an object inventory	1901	* activate recursively a flag on an object inventory
1971	*/	1902	*/
1972	void	1903	void
1973	flag_inv (object *op, int flag)	1904	flag_inv (object *op, int flag)
1974	{	1905	{
1975	if (op->inv)
1976	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1906	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1977	{	1907	{
1978	SET_FLAG (tmp, flag);	1908	SET_FLAG (tmp, flag);
1979	flag_inv (tmp, flag);	1909	flag_inv (tmp, flag);
1980	}	1910	}
1981	}	1911	}
1982		1912
1983	/*	1913	/*
1984	* deactivate recursively a flag on an object inventory	1914	* deactivate recursively a flag on an object inventory
1985	*/	1915	*/
1986	void	1916	void
1987	unflag_inv (object *op, int flag)	1917	unflag_inv (object *op, int flag)
1988	{	1918	{
1989	if (op->inv)
1990	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1919	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1991	{	1920	{
1992	CLEAR_FLAG (tmp, flag);	1921	CLEAR_FLAG (tmp, flag);
1993	unflag_inv (tmp, flag);	1922	unflag_inv (tmp, flag);
1994	}	1923	}
1995	}	1924	}
1996		1925
1997	/*	1926	/*
1998	* find_free_spot(object, map, x, y, start, stop) will search for	1927	* find_free_spot(object, map, x, y, start, stop) will search for
1999	* a spot at the given map and coordinates which will be able to contain	1928	* a spot at the given map and coordinates which will be able to contain
…		…
2001	* to search (see the freearr_x/y[] definition).	1930	* to search (see the freearr_x/y[] definition).
2002	* It returns a random choice among the alternatives found.	1931	* It returns a random choice among the alternatives found.
2003	* start and stop are where to start relative to the free_arr array (1,9	1932	* start and stop are where to start relative to the free_arr array (1,9
2004	* does all 4 immediate directions). This returns the index into the	1933	* does all 4 immediate directions). This returns the index into the
2005	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1934	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2006	* Note - this only checks to see if there is space for the head of the
2007	* object - if it is a multispace object, this should be called for all
2008	* pieces.
2009	* Note2: This function does correctly handle tiled maps, but does not	1935	* Note: This function does correctly handle tiled maps, but does not
2010	* inform the caller. However, insert_ob_in_map will update as	1936	* inform the caller. However, insert_ob_in_map will update as
2011	* necessary, so the caller shouldn't need to do any special work.	1937	* necessary, so the caller shouldn't need to do any special work.
2012	* Note - updated to take an object instead of archetype - this is necessary	1938	* Note - updated to take an object instead of archetype - this is necessary
2013	* because arch_blocked (now ob_blocked) needs to know the movement type	1939	* because arch_blocked (now ob_blocked) needs to know the movement type
2014	* to know if the space in question will block the object. We can't use	1940	* to know if the space in question will block the object. We can't use
…		…
2016	* customized, changed states, etc.	1942	* customized, changed states, etc.
2017	*/	1943	*/
2018	int	1944	int
2019	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1945	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2020	{	1946	{
		1947	int altern[SIZEOFFREE];
2021	int index = 0, flag;	1948	int index = 0, flag;
2022	int altern[SIZEOFFREE];
2023		1949
2024	for (int i = start; i < stop; i++)	1950	for (int i = start; i < stop; i++)
2025	{	1951	{
2026	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1952	mapxy pos (m, x, y); pos.move (i);
2027	if (!flag)	1953
		1954	if (!pos.normalise ())
		1955	continue;
		1956
		1957	mapspace &ms = *pos;
		1958
		1959	if (ms.flags () & P_IS_ALIVE)
		1960	continue;
		1961
		1962	/* However, often
		1963	* ob doesn't have any move type (when used to place exits)
		1964	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1965	*/
		1966	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1967	{
2028	altern [index++] = i;	1968	altern [index++] = i;
		1969	continue;
		1970	}
2029		1971
2030	/* Basically, if we find a wall on a space, we cut down the search size.	1972	/* Basically, if we find a wall on a space, we cut down the search size.
2031	* In this way, we won't return spaces that are on another side of a wall.	1973	* In this way, we won't return spaces that are on another side of a wall.
2032	* This mostly work, but it cuts down the search size in all directions -	1974	* This mostly work, but it cuts down the search size in all directions -
2033	* if the space being examined only has a wall to the north and empty	1975	* if the space being examined only has a wall to the north and empty
2034	* spaces in all the other directions, this will reduce the search space	1976	* spaces in all the other directions, this will reduce the search space
2035	* to only the spaces immediately surrounding the target area, and	1977	* to only the spaces immediately surrounding the target area, and
2036	* won't look 2 spaces south of the target space.	1978	* won't look 2 spaces south of the target space.
2037	*/	1979	*/
2038	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1980	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1981	{
2039	stop = maxfree[i];	1982	stop = maxfree[i];
		1983	continue;
		1984	}
		1985
		1986	/* Note it is intentional that we check ob - the movement type of the
		1987	* head of the object should correspond for the entire object.
		1988	*/
		1989	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1990	continue;
		1991
		1992	if (ob->blocked (m, pos.x, pos.y))
		1993	continue;
		1994
		1995	altern [index++] = i;
2040	}	1996	}
2041		1997
2042	if (!index)	1998	if (!index)
2043	return -1;	1999	return -1;
2044		2000
…		…
2053	*/	2009	*/
2054	int	2010	int
2055	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2011	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2056	{	2012	{
2057	for (int i = 0; i < SIZEOFFREE; i++)	2013	for (int i = 0; i < SIZEOFFREE; i++)
2058	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2014	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2059	return i;	2015	return i;
2060		2016
2061	return -1;	2017	return -1;
2062	}	2018	}
2063		2019
…		…
2340	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2296	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2341	* core dumps if they do.	2297	* core dumps if they do.
2342	*	2298	*
2343	* Add a check so we can't pick up invisible objects (0.93.8)	2299	* Add a check so we can't pick up invisible objects (0.93.8)
2344	*/	2300	*/
2345
2346	int	2301	int
2347	can_pick (const object *who, const object *item)	2302	can_pick (const object *who, const object *item)
2348	{	2303	{
2349	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2304	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2350	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2305	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2601	{	2556	{
2602	char flagdesc[512];	2557	char flagdesc[512];
2603	char info2[256 * 4];	2558	char info2[256 * 4];
2604	char *p = info;	2559	char *p = info;
2605		2560
2606	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2561	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2607	count, uuid.seq,	2562	count,
		2563	uuid.c_str (),
2608	&name,	2564	&name,
2609	title ? "\",title:\"" : "",	2565	title ? "\",title:\"" : "",
2610	title ? (const char *)title : "",	2566	title ? (const char *)title : "",
2611	flag_desc (flagdesc, 512), type);	2567	flag_desc (flagdesc, 512), type);
2612		2568
2613	if (env)	2569	if (!flag[FLAG_REMOVED] && env)
2614	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2570	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2615		2571
2616	if (map)	2572	if (map)
2617	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2573	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2618		2574
…		…
2660	if (object *closer = old_container->inv)	2616	if (object *closer = old_container->inv)
2661	if (closer->type == CLOSE_CON)	2617	if (closer->type == CLOSE_CON)
2662	closer->destroy ();	2618	closer->destroy ();
2663	#endif	2619	#endif
2664		2620
2665	old_container->flag [FLAG_APPLIED] = 0;	2621	old_container->flag [FLAG_APPLIED] = false;
2666	container = 0;	2622	container = 0;
2667		2623
2668	esrv_update_item (UPD_FLAGS, this, old_container);	2624	esrv_update_item (UPD_FLAGS, this, old_container);
2669	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2625	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2626	play_sound (sound_find ("chest_close"));
2670	}	2627	}
2671		2628
2672	if (new_container)	2629	if (new_container)
2673	{	2630	{
2674	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2631	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2685	}	2642	}
2686	#endif	2643	#endif
2687		2644
2688	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2645	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
2689		2646
2690	new_container->flag [FLAG_APPLIED] = 1;	2647	new_container->flag [FLAG_APPLIED] = true;
2691	container = new_container;	2648	container = new_container;
2692		2649
2693	esrv_update_item (UPD_FLAGS, this, new_container);	2650	esrv_update_item (UPD_FLAGS, this, new_container);
2694	esrv_send_inventory (this, new_container);	2651	esrv_send_inventory (this, new_container);
		2652	play_sound (sound_find ("chest_open"));
2695	}	2653	}
2696	}	2654	}
2697		2655
2698	object *	2656	object *
2699	object::force_find (const shstr name)	2657	object::force_find (const shstr name)
…		…
2725	force->flag [FLAG_APPLIED] = true;	2683	force->flag [FLAG_APPLIED] = true;
2726		2684
2727	insert (force);	2685	insert (force);
2728	}	2686	}
2729		2687
		2688	void
		2689	object::play_sound (faceidx sound)
		2690	{
		2691	if (!sound)
		2692	return;
		2693
		2694	if (flag [FLAG_REMOVED])
		2695	return;
		2696
		2697	if (env)
		2698	{
		2699	if (object *pl = in_player ())
		2700	pl->contr->play_sound (sound);
		2701	}
		2702	else
		2703	map->play_sound (sound, x, y);
		2704	}
		2705

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