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Comparing deliantra/server/common/object.C (file contents):
Revision 1.141 by root, Sun Apr 29 21:44:34 2007 UTC vs.
Revision 1.229 by root, Sat May 3 12:29:09 2008 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	* (at your option) any later version.	11	* (at your option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	*	20	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	22	*/
24		23
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	24	#include <global.h>
29	#include <stdio.h>	25	#include <stdio.h>
30	#include <sys/types.h>	26	#include <sys/types.h>
31	#include <sys/uio.h>	27	#include <sys/uio.h>
32	#include <object.h>	28	#include <object.h>
33	#include <funcpoint.h>	29	#include <sproto.h>
34	#include <loader.h>	30	#include <loader.h>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	int nrofallocobjects = 0;	34	UUID UUID::cur;
39	static UUID uuid;	35	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
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;
141
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	144	/* n-squared behaviour (see kv_get), but I'm hoping both
143	* objects with lists are rare, and lists stay short. If not, use a	145	* objects with lists are rare, and lists stay short. If not, use a
144	* different structure or at least keep the lists sorted...	146	* different structure or at least keep the lists sorted...
145	*/	147	*/
146		148
147	/* For each field in wants, */	149	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	150	for (key_value *kv = wants->key_values; kv; kv = kv->next)
149	{	151	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	152	return false;
151
152	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);
154
155	if (has_field == NULL)
156	{
157	/* No field with that name. */
158	return FALSE;
159	}
160
161	/* Found the matching field. */
162	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167
168	/* If we get here, we found a match. Now for the next field in wants. */
169	}
170		153
171	/* If we get here, every field in wants has a matching field in has. */	154	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	155	return true;
173	}	156	}
174		157
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	158	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	159	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	160	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	161	{
179	/* However, there may be fields in has which aren't partnered in wants,	162	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	163	* so we need to run the comparison *twice*. :(
181	*/	164	*/
182	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	165	return compare_ob_value_lists_one (ob1, ob2)
		166	&& compare_ob_value_lists_one (ob2, ob1);
183	}	167	}
184		168
185	/* Function examines the 2 objects given to it, and returns true if	169	/* Function examines the 2 objects given to it, and returns true if
186	* they can be merged together.	170	* they can be merged together.
187	*	171	*
…		…
202	|| ob1->speed != ob2->speed	186	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	187	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	188	|| ob1->name != ob2->name)
205	return 0;	189	return 0;
206		190
207	//TODO: this ain't working well, use nicer and correct overflow check	191	/* 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	192	* for unsigned overflow (2c), second part checks whether the result
209	* value could not be stored in a sint32 (which unfortunately sometimes is	193	* would fit into a 32 bit signed int, which is often used to hold
210	* used to store nrof).	194	* nrof values.
211	*/	195	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)	196	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
213	return 0;	197	return 0;
214		198
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	199	/* 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	200	* 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	201	* 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	202	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	203	* flags lose any meaning.
220	*/	204	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	205	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	206	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		207
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	208	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	209	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		210
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	211	if (ob1->arch->name != ob2->arch->name
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	212	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	213	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	214	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	215	|| 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	216	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	217	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	218	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	219	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	220	|| ob1->value != ob2->value
…		…
246	|| ob1->move_block != ob2->move_block	227	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	228	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	229	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	230	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	231	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	232	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	235	return 0;
253		236
		237	if ((ob1->flag ^ ob2->flag)
		238	.reset (FLAG_INV_LOCKED)
		239	.reset (FLAG_CLIENT_SENT)
		240	.reset (FLAG_REMOVED)
		241	.any ())
		242	return 0;
		243
254	/* This is really a spellbook check - really, we should	244	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	245	* not merge objects with real inventories, as splitting them
		246	* is hard.
256	*/	247	*/
257	if (ob1->inv || ob2->inv)	248	if (ob1->inv || ob2->inv)
258	{	249	{
259	/* if one object has inventory but the other doesn't, not equiv */	250	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	251	return 0; /* inventories differ in length */
261	return 0;
262		252
263	/* Now check to see if the two inventory objects could merge */	253	if (ob1->inv->below || ob2->inv->below)
		254	return 0; /* more than one object in inv */
		255
264	if (!object::can_merge (ob1->inv, ob2->inv))	256	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	257	return 0; /* inventory objects differ */
266		258
267	/* inventory ok - still need to check rest of this object to see	259	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	260	* if it is valid.
269	*/	261	*/
270	}	262	}
…		…
289	if (ob1->level != ob2->level)	281	if (ob1->level != ob2->level)
290	return 0;	282	return 0;
291	break;	283	break;
292	}	284	}
293		285
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	286	if (ob1->key_values || ob2->key_values)
295	{	287	{
296	/* At least one of these has key_values. */	288	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	289	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	290	return 0; /* One has fields, but the other one doesn't. */
		291
		292	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	293	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	294	}
303		295
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	296	if (ob1->self || ob2->self)
306	{	297	{
307	ob1->optimise ();	298	ob1->optimise ();
308	ob2->optimise ();	299	ob2->optimise ();
309		300
310	if (ob1->self || ob2->self)	301	if (ob1->self || ob2->self)
		302	{
		303	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		304	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		305
		306	if (k1 != k2)
311	return 0;	307	return 0;
		308
		309	if (k1 == 0)
		310	return 1;
		311
		312	if (!cfperl_can_merge (ob1, ob2))
		313	return 0;
		314	}
312	}	315	}
313		316
314	/* Everything passes, must be OK. */	317	/* Everything passes, must be OK. */
315	return 1;	318	return 1;
316	}	319	}
317		320
318	void	321	// find player who can see this object
319	player::set_range (rangetype r)	322	object *
		323	object::visible_to () const
320	{	324	{
321	shoottype = r;	325	if (client_visible () && !flag [FLAG_REMOVED])
322	}	326	{
		327	// see if we are in a container of sorts
		328	if (env)
		329	{
		330	// the player inventory itself is always visible
		331	if (env->type == PLAYER)
		332	return env;
323		333
		334	// else a player could have our env open
		335	object *envest = env->outer_env ();
		336
		337	// the player itself is always on a map, so we will find him here
		338	// even if our inv is in a player.
		339	if (envest->is_on_map ())
		340	if (object *pl = envest->ms ().player ())
		341	if (pl->container == env)
		342	return pl;
		343	}
		344	else
		345	{
		346	// maybe there is a player standing on the same mapspace
		347	// this will catch the case where "this" is a player
		348	if (object *pl = ms ().player ())
		349	if (!pl->container || this == pl->container)
		350	return pl;
		351	}
		352	}
		353
		354	return 0;
		355	}
		356
		357	// adjust weight per container type ("of holding")
		358	static sint32
		359	weight_adjust (object *op, sint32 weight)
		360	{
		361	return op->type == CONTAINER
		362	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		363	: weight;
		364	}
		365
324	/*	366	/*
		367	* adjust_weight(object, weight) adds the specified weight to an object,
		368	* and also updates how much the environment(s) is/are carrying.
		369	*/
		370	static void
		371	adjust_weight (object *op, sint32 weight)
		372	{
		373	while (op)
		374	{
		375	weight = weight_adjust (op, weight);
		376
		377	if (!weight)
		378	return;
		379
		380	op->carrying += weight;
		381
		382	if (object *pl = op->visible_to ())
		383	if (pl != op) // player is handled lazily
		384	esrv_update_item (UPD_WEIGHT, pl, op);
		385
		386	op = op->env;
		387	}
		388	}
		389
		390	/*
325	* sum_weight() is a recursive function which calculates the weight	391	* this is a recursive function which calculates the weight
326	* an object is carrying. It goes through in figures out how much	392	* an object is carrying. It goes through op and figures out how much
327	* containers are carrying, and sums it up.	393	* containers are carrying, and sums it up.
328	*/	394	*/
329	long	395	void
330	sum_weight (object *op)	396	object::update_weight ()
331	{	397	{
332	long sum;	398	sint32 sum = 0;
333	object *inv;
334		399
335	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	400	for (object *op = inv; op; op = op->below)
336	{	401	{
337	if (inv->inv)	402	if (op->inv)
338	sum_weight (inv);	403	op->update_weight ();
339	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	404
		405	sum += op->total_weight ();
		406	}
		407
		408	sum = weight_adjust (this, sum);
		409
		410	if (sum != carrying)
340	}	411	{
341
342	if (op->type == CONTAINER && op->stats.Str)
343	sum = (sum * (100 - op->stats.Str)) / 100;
344
345	if (op->carrying != sum)
346	op->carrying = sum;	412	carrying = sum;
347		413
348	return sum;	414	if (object *pl = visible_to ())
		415	if (pl != this) // player is handled lazily
		416	esrv_update_item (UPD_WEIGHT, pl, this);
		417	}
349	}	418	}
350		419
351	/**	420	/*
352	* Return the outermost environment object for a given object.	421	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
353	*/
354
355	object *
356	object_get_env_recursive (object *op)
357	{
358	while (op->env != NULL)
359	op = op->env;
360	return op;
361	}
362
363	/*
364	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
365	* Some error messages.
366	* The result of the dump is stored in the static global errmsg array.
367	*/	422	*/
368	char *	423	char *
369	dump_object (object *op)	424	dump_object (object *op)
370	{	425	{
371	if (!op)	426	if (!op)
…		…
379	/*	434	/*
380	* get_nearest_part(multi-object, object 2) returns the part of the	435	* get_nearest_part(multi-object, object 2) returns the part of the
381	* multi-object 1 which is closest to the second object.	436	* multi-object 1 which is closest to the second object.
382	* If it's not a multi-object, it is returned.	437	* If it's not a multi-object, it is returned.
383	*/	438	*/
384
385	object *	439	object *
386	get_nearest_part (object *op, const object *pl)	440	get_nearest_part (object *op, const object *pl)
387	{	441	{
388	object *tmp, *closest;	442	object *tmp, *closest;
389	int last_dist, i;	443	int last_dist, i;
390		444
391	if (op->more == NULL)	445	if (!op->more)
392	return op;	446	return op;
		447
393	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	448	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		449	tmp;
		450	tmp = tmp->more)
394	if ((i = distance (tmp, pl)) < last_dist)	451	if ((i = distance (tmp, pl)) < last_dist)
395	closest = tmp, last_dist = i;	452	closest = tmp, last_dist = i;
		453
396	return closest;	454	return closest;
397	}	455	}
398		456
399	/*	457	/*
400	* Returns the object which has the count-variable equal to the argument.	458	* Returns the object which has the count-variable equal to the argument.
		459	* VERRRY slow.
401	*/	460	*/
402	object *	461	object *
403	find_object (tag_t i)	462	find_object (tag_t i)
404	{	463	{
405	for_all_objects (op)	464	for_all_objects (op)
…		…
425	break;	484	break;
426		485
427	return op;	486	return op;
428	}	487	}
429		488
430	void
431	free_all_object_data ()
432	{
433	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
434	}
435
436	/*	489	/*
437	* Sets the owner and sets the skill and exp pointers to owner's current	490	* Sets the owner and sets the skill and exp pointers to owner's current
438	* skill and experience objects.	491	* skill and experience objects.
		492	* ACTUALLY NO! investigate! TODO
439	*/	493	*/
440	void	494	void
441	object::set_owner (object *owner)	495	object::set_owner (object *owner)
442	{	496	{
		497	// allow objects which own objects
443	if (!owner)	498	if (owner)
444	return;
445
446	/* next line added to allow objects which own objects */
447	/* Add a check for ownercounts in here, as I got into an endless loop
448	* with the fireball owning a poison cloud which then owned the
449	* fireball. I believe that was caused by one of the objects getting
450	* freed and then another object replacing it. Since the ownercounts
451	* didn't match, this check is valid and I believe that cause is valid.
452	*/
453	while (owner->owner)	499	while (owner->owner)
454	owner = owner->owner;	500	owner = owner->owner;
		501
		502	if (flag [FLAG_FREED])
		503	{
		504	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		505	return;
		506	}
455		507
456	this->owner = owner;	508	this->owner = owner;
		509	}
		510
		511	int
		512	object::slottype () const
		513	{
		514	if (type == SKILL)
		515	{
		516	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		517	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		518	}
		519	else
		520	{
		521	if (slot [body_combat].info) return slot_combat;
		522	if (slot [body_range ].info) return slot_ranged;
		523	}
		524
		525	return slot_none;
		526	}
		527
		528	bool
		529	object::change_weapon (object *ob)
		530	{
		531	if (current_weapon == ob)
		532	return true;
		533
		534	if (chosen_skill)
		535	chosen_skill->flag [FLAG_APPLIED] = false;
		536
		537	current_weapon = ob;
		538	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		539
		540	if (chosen_skill)
		541	chosen_skill->flag [FLAG_APPLIED] = true;
		542
		543	update_stats ();
		544
		545	if (ob)
		546	{
		547	// now check wether any body locations became invalid, in which case
		548	// we cannot apply the weapon at the moment.
		549	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		550	if (slot[i].used < 0)
		551	{
		552	current_weapon = chosen_skill = 0;
		553	update_stats ();
		554
		555	new_draw_info_format (NDI_UNIQUE, 0, this,
		556	"You try to balance all your items at once, "
		557	"but the %s is just too much for your body. "
		558	"[You need to unapply some items first.]", &ob->name);
		559	return false;
		560	}
		561
		562	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		563	}
		564	else
		565	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		566
		567	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		568	{
		569	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		570	&name, ob->debug_desc ());
		571	return false;
		572	}
		573
		574	return true;
457	}	575	}
458		576
459	/* Zero the key_values on op, decrementing the shared-string	577	/* Zero the key_values on op, decrementing the shared-string
460	* refcounts and freeing the links.	578	* refcounts and freeing the links.
461	*/	579	*/
…		…
471	}	589	}
472		590
473	op->key_values = 0;	591	op->key_values = 0;
474	}	592	}
475		593
476	object &	594	/*
477	object::operator =(const object &src)	595	* copy_to first frees everything allocated by the dst object,
		596	* and then copies the contents of itself into the second
		597	* object, allocating what needs to be allocated. Basically, any
		598	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		599	* if the first object is freed, the pointers in the new object
		600	* will point at garbage.
		601	*/
		602	void
		603	object::copy_to (object *dst)
478	{	604	{
479	bool is_freed = flag [FLAG_FREED];	605	dst->remove ();
480	bool is_removed = flag [FLAG_REMOVED];
481
482	*(object_copy *)this = src;	606	*(object_copy *)dst = *this;
483
484	flag [FLAG_FREED] = is_freed;
485	flag [FLAG_REMOVED] = is_removed;	607	dst->flag [FLAG_REMOVED] = true;
486		608
487	/* Copy over key_values, if any. */	609	/* Copy over key_values, if any. */
488	if (src.key_values)	610	if (key_values)
489	{	611	{
490	key_value *tail = 0;	612	key_value *tail = 0;
491	key_values = 0;	613	dst->key_values = 0;
492		614
493	for (key_value *i = src.key_values; i; i = i->next)	615	for (key_value *i = key_values; i; i = i->next)
494	{	616	{
495	key_value *new_link = new key_value;	617	key_value *new_link = new key_value;
496		618
497	new_link->next = 0;	619	new_link->next = 0;
498	new_link->key = i->key;	620	new_link->key = i->key;
499	new_link->value = i->value;	621	new_link->value = i->value;
500		622
501	/* Try and be clever here, too. */	623	/* Try and be clever here, too. */
502	if (!key_values)	624	if (!dst->key_values)
503	{	625	{
504	key_values = new_link;	626	dst->key_values = new_link;
505	tail = new_link;	627	tail = new_link;
506	}	628	}
507	else	629	else
508	{	630	{
509	tail->next = new_link;	631	tail->next = new_link;
510	tail = new_link;	632	tail = new_link;
511	}	633	}
512	}	634	}
513	}	635	}
514	}
515
516	/*
517	* copy_to first frees everything allocated by the dst object,
518	* and then copies the contents of itself into the second
519	* object, allocating what needs to be allocated. Basically, any
520	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
521	* if the first object is freed, the pointers in the new object
522	* will point at garbage.
523	*/
524	void
525	object::copy_to (object *dst)
526	{
527	*dst = *this;
528		636
529	if (speed < 0)	637	if (speed < 0)
530	dst->speed_left = speed_left - rndm ();	638	dst->speed_left -= rndm ();
531		639
532	dst->set_speed (dst->speed);	640	dst->set_speed (dst->speed);
533	}	641	}
534		642
535	void	643	void
536	object::instantiate ()	644	object::instantiate ()
537	{	645	{
538	if (!uuid.seq) // HACK	646	if (!uuid.seq) // HACK
539	uuid = gen_uuid ();	647	uuid = UUID::gen ();
540		648
541	speed_left = -0.1f;	649	speed_left = -0.1f;
542	/* copy the body_info to the body_used - this is only really	650	/* copy the body_info to the body_used - this is only really
543	* need for monsters, but doesn't hurt to do it for everything.	651	* need for monsters, but doesn't hurt to do it for everything.
544	* by doing so, when a monster is created, it has good starting	652	* by doing so, when a monster is created, it has good starting
545	* values for the body_used info, so when items are created	653	* values for the body_used info, so when items are created
546	* for it, they can be properly equipped.	654	* for it, they can be properly equipped.
547	*/	655	*/
548	memcpy (body_used, body_info, sizeof (body_used));	656	for (int i = NUM_BODY_LOCATIONS; i--; )
		657	slot[i].used = slot[i].info;
549		658
550	attachable::instantiate ();	659	attachable::instantiate ();
551	}	660	}
552		661
553	object *	662	object *
554	object::clone ()	663	object::clone ()
555	{	664	{
556	object *neu = create ();	665	object *neu = create ();
557	copy_to (neu);	666	copy_to (neu);
		667	neu->map = map; // not copied by copy_to
558	return neu;	668	return neu;
559	}	669	}
560		670
561	/*	671	/*
562	* If an object with the IS_TURNABLE() flag needs to be turned due	672	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
613	* UP_OBJ_FACE: only the objects face has changed.	723	* UP_OBJ_FACE: only the objects face has changed.
614	*/	724	*/
615	void	725	void
616	update_object (object *op, int action)	726	update_object (object *op, int action)
617	{	727	{
618	if (op == NULL)	728	if (!op)
619	{	729	{
620	/* this should never happen */	730	/* this should never happen */
621	LOG (llevDebug, "update_object() called for NULL object.\n");	731	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
622	return;	732	return;
623	}	733	}
624		734
625	if (op->env)	735	if (!op->is_on_map ())
626	{	736	{
627	/* Animation is currently handled by client, so nothing	737	/* Animation is currently handled by client, so nothing
628	* to do in this case.	738	* to do in this case.
629	*/	739	*/
630	return;	740	return;
631	}	741	}
632
633	/* If the map is saving, don't do anything as everything is
634	* going to get freed anyways.
635	*/
636	if (!op->map || op->map->in_memory == MAP_SAVING)
637	return;
638		742
639	/* make sure the object is within map boundaries */	743	/* make sure the object is within map boundaries */
640	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	744	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
641	{	745	{
642	LOG (llevError, "update_object() called for object out of map!\n");	746	LOG (llevError, "update_object() called for object out of map!\n");
…		…
702	static int object_count;	806	static int object_count;
703		807
704	void object::link ()	808	void object::link ()
705	{	809	{
706	assert (!index);//D	810	assert (!index);//D
707	uuid = gen_uuid ();	811	uuid = UUID::gen ();
708	count = ++object_count;	812	count = ++object_count;
709		813
710	refcnt_inc ();	814	refcnt_inc ();
711	objects.insert (this);	815	objects.insert (this);
712	}	816	}
…		…
785	object::destroy_inv (bool drop_to_ground)	889	object::destroy_inv (bool drop_to_ground)
786	{	890	{
787	// need to check first, because the checks below might segfault	891	// need to check first, because the checks below might segfault
788	// as we might be on an invalid mapspace and crossfire code	892	// as we might be on an invalid mapspace and crossfire code
789	// is too buggy to ensure that the inventory is empty.	893	// is too buggy to ensure that the inventory is empty.
790	// corollary: if you create arrows etc. with stuff in tis inventory,	894	// corollary: if you create arrows etc. with stuff in its inventory,
791	// cf will crash below with off-map x and y	895	// cf will crash below with off-map x and y
792	if (!inv)	896	if (!inv)
793	return;	897	return;
794		898
795	/* Only if the space blocks everything do we not process -	899	/* Only if the space blocks everything do we not process -
796	* if some form of movement is allowed, let objects	900	* if some form of movement is allowed, let objects
797	* drop on that space.	901	* drop on that space.
798	*/	902	*/
799	if (!drop_to_ground	903	if (!drop_to_ground
800	|| !map	904	|| !map
801	|| map->in_memory != MAP_IN_MEMORY	905	|| map->in_memory != MAP_ACTIVE
802	|| map->nodrop	906	|| map->nodrop
803	|| ms ().move_block == MOVE_ALL)	907	|| ms ().move_block == MOVE_ALL)
804	{	908	{
805	while (inv)	909	while (inv)
806	{	910	{
807	inv->destroy_inv (drop_to_ground);	911	inv->destroy_inv (false);
808	inv->destroy ();	912	inv->destroy ();
809	}	913	}
810	}	914	}
811	else	915	else
812	{ /* Put objects in inventory onto this space */	916	{ /* Put objects in inventory onto this space */
…		…
818	|| op->flag [FLAG_NO_DROP]	922	|| op->flag [FLAG_NO_DROP]
819	|| op->type == RUNE	923	|| op->type == RUNE
820	|| op->type == TRAP	924	|| op->type == TRAP
821	|| op->flag [FLAG_IS_A_TEMPLATE]	925	|| op->flag [FLAG_IS_A_TEMPLATE]
822	|| op->flag [FLAG_DESTROY_ON_DEATH])	926	|| op->flag [FLAG_DESTROY_ON_DEATH])
823	op->destroy ();	927	op->destroy (true);
824	else	928	else
825	map->insert (op, x, y);	929	map->insert (op, x, y);
826	}	930	}
827	}	931	}
828	}	932	}
…		…
832	object *op = new object;	936	object *op = new object;
833	op->link ();	937	op->link ();
834	return op;	938	return op;
835	}	939	}
836		940
		941	static struct freed_map : maptile
		942	{
		943	freed_map ()
		944	{
		945	path = "<freed objects map>";
		946	name = "/internal/freed_objects_map";
		947	width = 3;
		948	height = 3;
		949	nodrop = 1;
		950
		951	alloc ();
		952	in_memory = MAP_ACTIVE;
		953	}
		954
		955	~freed_map ()
		956	{
		957	destroy ();
		958	}
		959	} freed_map; // freed objects are moved here to avoid crashes
		960
837	void	961	void
838	object::do_destroy ()	962	object::do_destroy ()
839	{	963	{
840	attachable::do_destroy ();
841
842	if (flag [FLAG_IS_LINKED])	964	if (flag [FLAG_IS_LINKED])
843	remove_button_link (this);	965	remove_button_link (this);
844		966
845	if (flag [FLAG_FRIENDLY])	967	if (flag [FLAG_FRIENDLY])
846	remove_friendly_object (this);	968	remove_friendly_object (this);
847		969
848	if (!flag [FLAG_REMOVED])
849	remove ();	970	remove ();
850		971
851	destroy_inv (true);	972	attachable::do_destroy ();
852		973
853	deactivate ();	974	deactivate ();
854	unlink ();	975	unlink ();
855		976
856	flag [FLAG_FREED] = 1;	977	flag [FLAG_FREED] = 1;
857		978
858	// hack to ensure that freed objects still have a valid map	979	// hack to ensure that freed objects still have a valid map
859	{
860	static maptile *freed_map; // freed objects are moved here to avoid crashes
861
862	if (!freed_map)
863	{
864	freed_map = new maptile;
865
866	freed_map->name = "/internal/freed_objects_map";
867	freed_map->width = 3;
868	freed_map->height = 3;
869
870	freed_map->alloc ();
871	freed_map->in_memory = MAP_IN_MEMORY;
872	}
873
874	map = freed_map;	980	map = &freed_map;
875	x = 1;	981	x = 1;
876	y = 1;	982	y = 1;
877	}
878
879	head = 0;
880		983
881	if (more)	984	if (more)
882	{	985	{
883	more->destroy ();	986	more->destroy ();
884	more = 0;	987	more = 0;
885	}	988	}
886		989
		990	head = 0;
		991
887	// clear those pointers that likely might have circular references to us	992	// clear those pointers that likely might cause circular references
888	owner = 0;	993	owner = 0;
889	enemy = 0;	994	enemy = 0;
890	attacked_by = 0;	995	attacked_by = 0;
		996	current_weapon = 0;
891	}	997	}
892		998
893	void	999	void
894	object::destroy (bool destroy_inventory)	1000	object::destroy (bool destroy_inventory)
895	{	1001	{
896	if (destroyed ())	1002	if (destroyed ())
897	return;	1003	return;
898		1004
		1005	if (!is_head () && !head->destroyed ())
		1006	{
		1007	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1008	head->destroy (destroy_inventory);
		1009	return;
		1010	}
		1011
899	if (destroy_inventory)	1012	destroy_inv (!destroy_inventory);
900	destroy_inv (false);	1013
		1014	if (is_head ())
		1015	if (sound_destroy)
		1016	play_sound (sound_destroy);
		1017	else if (flag [FLAG_MONSTER])
		1018	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
901		1019
902	attachable::destroy ();	1020	attachable::destroy ();
903	}
904
905	/*
906	* sub_weight() recursively (outwards) subtracts a number from the
907	* weight of an object (and what is carried by it's environment(s)).
908	*/
909	void
910	sub_weight (object *op, signed long weight)
911	{
912	while (op != NULL)
913	{
914	if (op->type == CONTAINER)
915	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
916
917	op->carrying -= weight;
918	op = op->env;
919	}
920	}	1021	}
921		1022
922	/* op->remove ():	1023	/* op->remove ():
923	* This function removes the object op from the linked list of objects	1024	* This function removes the object op from the linked list of objects
924	* which it is currently tied to. When this function is done, the	1025	* which it is currently tied to. When this function is done, the
…		…
930	object::do_remove ()	1031	object::do_remove ()
931	{	1032	{
932	object *tmp, *last = 0;	1033	object *tmp, *last = 0;
933	object *otmp;	1034	object *otmp;
934		1035
935	if (QUERY_FLAG (this, FLAG_REMOVED))	1036	if (flag [FLAG_REMOVED])
936	return;	1037	return;
937		1038
938	SET_FLAG (this, FLAG_REMOVED);
939	INVOKE_OBJECT (REMOVE, this);	1039	INVOKE_OBJECT (REMOVE, this);
		1040
		1041	flag [FLAG_REMOVED] = true;
940		1042
941	if (more)	1043	if (more)
942	more->remove ();	1044	more->remove ();
943		1045
944	/*	1046	/*
945	* In this case, the object to be removed is in someones	1047	* In this case, the object to be removed is in someones
946	* inventory.	1048	* inventory.
947	*/	1049	*/
948	if (env)	1050	if (env)
949	{	1051	{
		1052	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
		1053	if (object *pl = visible_to ())
		1054	esrv_del_item (pl->contr, count);
		1055	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1056
		1057	adjust_weight (env, -total_weight ());
		1058
		1059	*(above ? &above->below : &env->inv) = below;
		1060
950	if (nrof)	1061	if (below)
951	sub_weight (env, weight * nrof);	1062	below->above = above;
952	else	1063
953	sub_weight (env, weight + carrying);	1064	/* we set up values so that it could be inserted into
		1065	* the map, but we don't actually do that - it is up
		1066	* to the caller to decide what we want to do.
		1067	*/
		1068	map = env->map;
		1069	x = env->x;
		1070	y = env->y;
		1071	above = 0;
		1072	below = 0;
		1073	env = 0;
954		1074
955	/* NO_FIX_PLAYER is set when a great many changes are being	1075	/* NO_FIX_PLAYER is set when a great many changes are being
956	* made to players inventory. If set, avoiding the call	1076	* made to players inventory. If set, avoiding the call
957	* to save cpu time.	1077	* to save cpu time.
958	*/	1078	*/
959	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1079	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
960	otmp->update_stats ();	1080	otmp->update_stats ();
961
962	if (above)
963	above->below = below;
964	else
965	env->inv = below;
966
967	if (below)
968	below->above = above;
969
970	/* we set up values so that it could be inserted into
971	* the map, but we don't actually do that - it is up
972	* to the caller to decide what we want to do.
973	*/
974	x = env->x, y = env->y;
975	map = env->map;
976	above = 0, below = 0;
977	env = 0;
978	}	1081	}
979	else if (map)	1082	else if (map)
980	{	1083	{
981	if (type == PLAYER)
982	{
983	// leaving a spot always closes any open container on the ground
984	if (container && !container->env)
985	// this causes spurious floorbox updates, but it ensures
986	// that the CLOSE event is being sent.
987	close_container ();
988
989	--map->players;
990	map->touch ();
991	}
992
993	map->dirty = true;	1084	map->dirty = true;
994	mapspace &ms = this->ms ();	1085	mapspace &ms = this->ms ();
		1086
		1087	if (object *pl = ms.player ())
		1088	{
		1089	if (type == PLAYER) // this == pl(!)
		1090	{
		1091	// leaving a spot always closes any open container on the ground
		1092	if (container && !container->env)
		1093	// this causes spurious floorbox updates, but it ensures
		1094	// that the CLOSE event is being sent.
		1095	close_container ();
		1096
		1097	--map->players;
		1098	map->touch ();
		1099	}
		1100	else if (pl->container == this)
		1101	{
		1102	// removing a container should close it
		1103	close_container ();
		1104	}
		1105
		1106	esrv_del_item (pl->contr, count);
		1107	}
995		1108
996	/* link the object above us */	1109	/* link the object above us */
997	if (above)	1110	if (above)
998	above->below = below;	1111	above->below = below;
999	else	1112	else
…		…
1020	if (map->in_memory == MAP_SAVING)	1133	if (map->in_memory == MAP_SAVING)
1021	return;	1134	return;
1022		1135
1023	int check_walk_off = !flag [FLAG_NO_APPLY];	1136	int check_walk_off = !flag [FLAG_NO_APPLY];
1024		1137
		1138	if (object *pl = ms.player ())
		1139	{
		1140	if (pl->container == this)
		1141	/* If a container that the player is currently using somehow gets
		1142	* removed (most likely destroyed), update the player view
		1143	* appropriately.
		1144	*/
		1145	pl->close_container ();
		1146
		1147	//TODO: the floorbox prev/next might need updating
		1148	//esrv_del_item (pl->contr, count);
		1149	//TODO: update floorbox to preserve ordering
		1150	if (pl->contr->ns)
		1151	pl->contr->ns->floorbox_update ();
		1152	}
		1153
1025	for (tmp = ms.bot; tmp; tmp = tmp->above)	1154	for (tmp = ms.bot; tmp; tmp = tmp->above)
1026	{	1155	{
1027	/* No point updating the players look faces if he is the object	1156	/* No point updating the players look faces if he is the object
1028	* being removed.	1157	* being removed.
1029	*/	1158	*/
1030
1031	if (tmp->type == PLAYER && tmp != this)
1032	{
1033	/* If a container that the player is currently using somehow gets
1034	* removed (most likely destroyed), update the player view
1035	* appropriately.
1036	*/
1037	if (tmp->container == this)
1038	{
1039	flag [FLAG_APPLIED] = 0;
1040	tmp->container = 0;
1041	}
1042
1043	if (tmp->contr->ns)
1044	tmp->contr->ns->floorbox_update ();
1045	}
1046		1159
1047	/* See if object moving off should effect something */	1160	/* See if object moving off should effect something */
1048	if (check_walk_off	1161	if (check_walk_off
1049	&& ((move_type & tmp->move_off)	1162	&& ((move_type & tmp->move_off)
1050	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1163	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1053		1166
1054	if (destroyed ())	1167	if (destroyed ())
1055	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1168	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1056	}	1169	}
1057		1170
1058	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1059	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1060	if (tmp->above == tmp)
1061	tmp->above = 0;
1062
1063	last = tmp;	1171	last = tmp;
1064	}	1172	}
1065		1173
1066	/* last == NULL if there are no objects on this space */	1174	/* last == NULL if there are no objects on this space */
1067	//TODO: this makes little sense, why only update the topmost object?	1175	//TODO: this makes little sense, why only update the topmost object?
…		…
1087	merge_ob (object *op, object *top)	1195	merge_ob (object *op, object *top)
1088	{	1196	{
1089	if (!op->nrof)	1197	if (!op->nrof)
1090	return 0;	1198	return 0;
1091		1199
1092	if (top)	1200	if (!top)
1093	for (top = op; top && top->above; top = top->above)	1201	for (top = op; top && top->above; top = top->above)
1094	;	1202	;
1095		1203
1096	for (; top; top = top->below)	1204	for (; top; top = top->below)
1097	{
1098	if (top == op)
1099	continue;
1100
1101	if (object::can_merge (op, top))	1205	if (object::can_merge (op, top))
1102	{	1206	{
1103	top->nrof += op->nrof;	1207	top->nrof += op->nrof;
1104		1208
1105	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1209	if (object *pl = top->visible_to ())
1106	op->weight = 0; /* Don't want any adjustements now */	1210	esrv_update_item (UPD_NROF, pl, top);
		1211
		1212	op->weight = 0; // cancel the addition above
		1213	op->carrying = 0; // must be 0 already
		1214
1107	op->destroy ();	1215	op->destroy (1);
		1216
1108	return top;	1217	return top;
1109	}	1218	}
1110	}
1111		1219
1112	return 0;	1220	return 0;
1113	}	1221	}
1114		1222
1115	void	1223	void
…		…
1118	if (more)	1226	if (more)
1119	return;	1227	return;
1120		1228
1121	object *prev = this;	1229	object *prev = this;
1122		1230
1123	for (archetype *at = arch->more; at; at = at->more)	1231	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1124	{	1232	{
1125	object *op = arch_to_object (at);	1233	object *op = arch_to_object (at);
1126		1234
1127	op->name = name;	1235	op->name = name;
1128	op->name_pl = name_pl;	1236	op->name_pl = name_pl;
…		…
1142	object *	1250	object *
1143	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1251	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1144	{	1252	{
1145	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1253	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1146	{	1254	{
1147	tmp->x = x + tmp->arch->clone.x;	1255	tmp->x = x + tmp->arch->x;
1148	tmp->y = y + tmp->arch->clone.y;	1256	tmp->y = y + tmp->arch->y;
1149	}	1257	}
1150		1258
1151	return insert_ob_in_map (op, m, originator, flag);	1259	return insert_ob_in_map (op, m, originator, flag);
1152	}	1260	}
1153		1261
…		…
1174	object *	1282	object *
1175	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1283	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1176	{	1284	{
1177	assert (!op->flag [FLAG_FREED]);	1285	assert (!op->flag [FLAG_FREED]);
1178		1286
1179	object *tmp, *top, *floor = NULL;
1180
1181	op->remove ();	1287	op->remove ();
1182
1183	#if 0
1184	if (!m->active != !op->active)
1185	if (m->active)
1186	op->activate_recursive ();
1187	else
1188	op->deactivate_recursive ();
1189	#endif
1190
1191	if (out_of_map (m, op->x, op->y))
1192	{
1193	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1194	#ifdef MANY_CORES
1195	/* Better to catch this here, as otherwise the next use of this object
1196	* is likely to cause a crash. Better to find out where it is getting
1197	* improperly inserted.
1198	*/
1199	abort ();
1200	#endif
1201	return op;
1202	}
1203
1204	if (object *more = op->more)
1205	{
1206	if (!insert_ob_in_map (more, m, originator, flag))
1207	{
1208	if (!op->head)
1209	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1210
1211	return 0;
1212	}
1213	}
1214
1215	CLEAR_FLAG (op, FLAG_REMOVED);
1216		1288
1217	/* Ideally, the caller figures this out. However, it complicates a lot	1289	/* Ideally, the caller figures this out. However, it complicates a lot
1218	* of areas of callers (eg, anything that uses find_free_spot would now	1290	* of areas of callers (eg, anything that uses find_free_spot would now
1219	* need extra work	1291	* need extra work
1220	*/	1292	*/
1221	if (!xy_normalise (m, op->x, op->y))	1293	if (!xy_normalise (m, op->x, op->y))
		1294	{
		1295	op->destroy (1);
1222	return 0;	1296	return 0;
		1297	}
		1298
		1299	if (object *more = op->more)
		1300	if (!insert_ob_in_map (more, m, originator, flag))
		1301	return 0;
		1302
		1303	CLEAR_FLAG (op, FLAG_REMOVED);
1223		1304
1224	op->map = m;	1305	op->map = m;
1225	mapspace &ms = op->ms ();	1306	mapspace &ms = op->ms ();
1226		1307
1227	/* this has to be done after we translate the coordinates.	1308	/* this has to be done after we translate the coordinates.
1228	*/	1309	*/
1229	if (op->nrof && !(flag & INS_NO_MERGE))	1310	if (op->nrof && !(flag & INS_NO_MERGE))
1230	for (tmp = ms.bot; tmp; tmp = tmp->above)	1311	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1231	if (object::can_merge (op, tmp))	1312	if (object::can_merge (op, tmp))
1232	{	1313	{
		1314	// TODO: we atcually want to update tmp, not op,
		1315	// but some caller surely breaks when we return tmp
		1316	// from here :/
1233	op->nrof += tmp->nrof;	1317	op->nrof += tmp->nrof;
1234	tmp->destroy ();	1318	tmp->destroy (1);
1235	}	1319	}
1236		1320
1237	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1321	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1238	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1322	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1239		1323
…		…
1259	/* since *below* originator, no need to update top */	1343	/* since *below* originator, no need to update top */
1260	originator->below = op;	1344	originator->below = op;
1261	}	1345	}
1262	else	1346	else
1263	{	1347	{
		1348	object *top, *floor = NULL;
		1349
1264	top = ms.bot;	1350	top = ms.bot;
1265		1351
1266	/* If there are other objects, then */	1352	/* If there are other objects, then */
1267	if ((!(flag & INS_MAP_LOAD)) && top)	1353	if (top)
1268	{	1354	{
1269	object *last = 0;	1355	object *last = 0;
1270		1356
1271	/*	1357	/*
1272	* 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.
…		…
1325	if (last && last->below && last != floor)	1411	if (last && last->below && last != floor)
1326	top = last->below;	1412	top = last->below;
1327	}	1413	}
1328	} /* If objects on this space */	1414	} /* If objects on this space */
1329		1415
1330	if (flag & INS_MAP_LOAD)
1331	top = ms.top;
1332
1333	if (flag & INS_ABOVE_FLOOR_ONLY)	1416	if (flag & INS_ABOVE_FLOOR_ONLY)
1334	top = floor;	1417	top = floor;
1335		1418
1336	/* 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.
1337	*/	1420	*/
…		…
1369	op->map->touch ();	1452	op->map->touch ();
1370	}	1453	}
1371		1454
1372	op->map->dirty = true;	1455	op->map->dirty = true;
1373		1456
1374	/* If we have a floor, we know the player, if any, will be above
1375	* it, so save a few ticks and start from there.
1376	*/
1377	if (!(flag & INS_MAP_LOAD))
1378	if (object *pl = ms.player ())	1457	if (object *pl = ms.player ())
		1458	//TODO: the floorbox prev/next might need updating
		1459	//esrv_send_item (pl, op);
		1460	//TODO: update floorbox to preserve ordering
1379	if (pl->contr->ns)	1461	if (pl->contr->ns)
1380	pl->contr->ns->floorbox_update ();	1462	pl->contr->ns->floorbox_update ();
1381		1463
1382	/* If this object glows, it may affect lighting conditions that are	1464	/* If this object glows, it may affect lighting conditions that are
1383	* visible to others on this map. But update_all_los is really	1465	* visible to others on this map. But update_all_los is really
1384	* an inefficient way to do this, as it means los for all players	1466	* an inefficient way to do this, as it means los for all players
1385	* on the map will get recalculated. The players could very well	1467	* on the map will get recalculated. The players could very well
…		…
1404	* blocked() and wall() work properly), and these flags are updated by	1486	* blocked() and wall() work properly), and these flags are updated by
1405	* update_object().	1487	* update_object().
1406	*/	1488	*/
1407		1489
1408	/* if this is not the head or flag has been passed, don't check walk on status */	1490	/* if this is not the head or flag has been passed, don't check walk on status */
1409	if (!(flag & INS_NO_WALK_ON) && !op->head)	1491	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1410	{	1492	{
1411	if (check_move_on (op, originator))	1493	if (check_move_on (op, originator))
1412	return 0;	1494	return 0;
1413		1495
1414	/* If we are a multi part object, lets work our way through the check	1496	/* If we are a multi part object, lets work our way through the check
1415	* walk on's.	1497	* walk on's.
1416	*/	1498	*/
1417	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1499	for (object *tmp = op->more; tmp; tmp = tmp->more)
1418	if (check_move_on (tmp, originator))	1500	if (check_move_on (tmp, originator))
1419	return 0;	1501	return 0;
1420	}	1502	}
1421		1503
1422	return op;	1504	return op;
…		…
1427	* op is the object to insert it under: supplies x and the map.	1509	* op is the object to insert it under: supplies x and the map.
1428	*/	1510	*/
1429	void	1511	void
1430	replace_insert_ob_in_map (const char *arch_string, object *op)	1512	replace_insert_ob_in_map (const char *arch_string, object *op)
1431	{	1513	{
1432	object *tmp, *tmp1;
1433
1434	/* first search for itself and remove any old instances */	1514	/* first search for itself and remove any old instances */
1435		1515
1436	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1516	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1437	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1517	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1438	tmp->destroy ();	1518	tmp->destroy (1);
1439		1519
1440	tmp1 = arch_to_object (archetype::find (arch_string));	1520	object *tmp = arch_to_object (archetype::find (arch_string));
1441		1521
1442	tmp1->x = op->x;	1522	tmp->x = op->x;
1443	tmp1->y = op->y;	1523	tmp->y = op->y;
		1524
1444	insert_ob_in_map (tmp1, op->map, op, 0);	1525	insert_ob_in_map (tmp, op->map, op, 0);
1445	}	1526	}
1446		1527
1447	object *	1528	object *
1448	object::insert_at (object *where, object *originator, int flags)	1529	object::insert_at (object *where, object *originator, int flags)
1449	{	1530	{
		1531	if (where->env)
		1532	return where->env->insert (this);
		1533	else
1450	return where->map->insert (this, where->x, where->y, originator, flags);	1534	return where->map->insert (this, where->x, where->y, originator, flags);
1451	}	1535	}
1452		1536
1453	/*	1537	/*
1454	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1455	* is returned contains nr objects, and the remaining parts contains
1456	* the rest (or is removed and freed if that number is 0).
1457	* On failure, NULL is returned, and the reason put into the
1458	* global static errmsg array.
1459	*/
1460	object *
1461	get_split_ob (object *orig_ob, uint32 nr)
1462	{
1463	object *newob;
1464	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1465
1466	if (orig_ob->nrof < nr)
1467	{
1468	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1469	return NULL;
1470	}
1471
1472	newob = object_create_clone (orig_ob);
1473
1474	if ((orig_ob->nrof -= nr) < 1)
1475	orig_ob->destroy (1);
1476	else if (!is_removed)
1477	{
1478	if (orig_ob->env != NULL)
1479	sub_weight (orig_ob->env, orig_ob->weight * nr);
1480	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1481	{
1482	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1483	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1484	return NULL;
1485	}
1486	}
1487
1488	newob->nrof = nr;
1489
1490	return newob;
1491	}
1492
1493	/*
1494	* decrease_ob_nr(object, number) decreases a specified number from	1538	* decrease(object, number) decreases a specified number from
1495	* the amount of an object. If the amount reaches 0, the object	1539	* the amount of an object. If the amount reaches 0, the object
1496	* is subsequently removed and freed.	1540	* is subsequently removed and freed.
1497	*	1541	*
1498	* Return value: 'op' if something is left, NULL if the amount reached 0	1542	* Return value: 'op' if something is left, NULL if the amount reached 0
1499	*/	1543	*/
		1544	bool
		1545	object::decrease (sint32 nr)
		1546	{
		1547	if (!nr)
		1548	return true;
		1549
		1550	nr = min (nr, nrof);
		1551
		1552	nrof -= nr;
		1553
		1554	if (nrof)
		1555	{
		1556	adjust_weight (env, -weight * nr); // carrying == 0
		1557
		1558	if (object *pl = visible_to ())
		1559	esrv_update_item (UPD_NROF, pl, this);
		1560
		1561	return true;
		1562	}
		1563	else
		1564	{
		1565	destroy (1);
		1566	return false;
		1567	}
		1568	}
		1569
		1570	/*
		1571	* split(ob,nr) splits up ob into two parts. The part which
		1572	* is returned contains nr objects, and the remaining parts contains
		1573	* the rest (or is removed and returned if that number is 0).
		1574	* On failure, NULL is returned.
		1575	*/
1500	object *	1576	object *
1501	decrease_ob_nr (object *op, uint32 i)	1577	object::split (sint32 nr)
1502	{	1578	{
1503	object *tmp;	1579	int have = number_of ();
1504		1580
1505	if (i == 0) /* objects with op->nrof require this check */	1581	if (have < nr)
1506	return op;	1582	return 0;
1507		1583	else if (have == nr)
1508	if (i > op->nrof)
1509	i = op->nrof;
1510
1511	if (QUERY_FLAG (op, FLAG_REMOVED))
1512	op->nrof -= i;
1513	else if (op->env)
1514	{	1584	{
1515	/* is this object in the players inventory, or sub container
1516	* therein?
1517	*/
1518	tmp = op->in_player ();
1519	/* nope. Is this a container the player has opened?
1520	* If so, set tmp to that player.
1521	* IMO, searching through all the players will mostly
1522	* likely be quicker than following op->env to the map,
1523	* and then searching the map for a player.
1524	*/
1525	if (!tmp)
1526	for_all_players (pl)
1527	if (pl->ob->container == op->env)
1528	{
1529	tmp = pl->ob;
1530	break;
1531	}
1532
1533	if (i < op->nrof)
1534	{
1535	sub_weight (op->env, op->weight * i);
1536	op->nrof -= i;
1537	if (tmp)
1538	esrv_send_item (tmp, op);
1539	}
1540	else
1541	{
1542	op->remove ();	1585	remove ();
1543	op->nrof = 0;	1586	return this;
1544	if (tmp)
1545	esrv_del_item (tmp->contr, op->count);
1546	}
1547	}	1587	}
1548	else	1588	else
1549	{	1589	{
1550	object *above = op->above;	1590	decrease (nr);
1551		1591
1552	if (i < op->nrof)	1592	object *op = object_create_clone (this);
1553	op->nrof -= i;	1593	op->nrof = nr;
1554	else
1555	{
1556	op->remove ();
1557	op->nrof = 0;
1558	}
1559
1560	/* Since we just removed op, op->above is null */
1561	for (tmp = above; tmp; tmp = tmp->above)
1562	if (tmp->type == PLAYER)
1563	{
1564	if (op->nrof)
1565	esrv_send_item (tmp, op);
1566	else
1567	esrv_del_item (tmp->contr, op->count);
1568	}
1569	}
1570
1571	if (op->nrof)
1572	return op;	1594	return op;
1573	else
1574	{
1575	op->destroy ();
1576	return 0;
1577	}
1578	}
1579
1580	/*
1581	* add_weight(object, weight) adds the specified weight to an object,
1582	* and also updates how much the environment(s) is/are carrying.
1583	*/
1584	void
1585	add_weight (object *op, signed long weight)
1586	{
1587	while (op != NULL)
1588	{
1589	if (op->type == CONTAINER)
1590	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1591
1592	op->carrying += weight;
1593	op = op->env;
1594	}	1595	}
1595	}	1596	}
1596		1597
1597	object *	1598	object *
1598	insert_ob_in_ob (object *op, object *where)	1599	insert_ob_in_ob (object *op, object *where)
…		…
1603	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1604	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1604	free (dump);	1605	free (dump);
1605	return op;	1606	return op;
1606	}	1607	}
1607		1608
1608	if (where->head)	1609	if (where->head_ () != where)
1609	{	1610	{
1610	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1611	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1611	where = where->head;	1612	where = where->head;
1612	}	1613	}
1613		1614
1614	return where->insert (op);	1615	return where->insert (op);
1615	}	1616	}
…		…
1623	* be != op, if items are merged. -Tero	1624	* be != op, if items are merged. -Tero
1624	*/	1625	*/
1625	object *	1626	object *
1626	object::insert (object *op)	1627	object::insert (object *op)
1627	{	1628	{
1628	object *tmp, *otmp;
1629
1630	if (!QUERY_FLAG (op, FLAG_REMOVED))
1631	op->remove ();
1632
1633	if (op->more)	1629	if (op->more)
1634	{	1630	{
1635	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1631	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1636	return op;	1632	return op;
1637	}	1633	}
1638		1634
1639	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1635	op->remove ();
1640	CLEAR_FLAG (op, FLAG_REMOVED);	1636
		1637	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1638
1641	if (op->nrof)	1639	if (op->nrof)
1642	{
1643	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1640	for (object *tmp = inv; tmp; tmp = tmp->below)
1644	if (object::can_merge (tmp, op))	1641	if (object::can_merge (tmp, op))
1645	{	1642	{
1646	/* return the original object and remove inserted object	1643	/* return the original object and remove inserted object
1647	(client needs the original object) */	1644	(client needs the original object) */
1648	tmp->nrof += op->nrof;	1645	tmp->nrof += op->nrof;
1649	/* Weight handling gets pretty funky. Since we are adding to	1646
1650	* tmp->nrof, we need to increase the weight.	1647	if (object *pl = tmp->visible_to ())
1651	*/	1648	esrv_update_item (UPD_NROF, pl, tmp);
		1649
1652	add_weight (this, op->weight * op->nrof);	1650	adjust_weight (this, op->total_weight ());
1653	SET_FLAG (op, FLAG_REMOVED);	1651
1654	op->destroy (); /* free the inserted object */	1652	op->destroy (1);
1655	op = tmp;	1653	op = tmp;
1656	op->remove (); /* and fix old object's links */	1654	goto inserted;
1657	CLEAR_FLAG (op, FLAG_REMOVED);
1658	break;
1659	}	1655	}
1660		1656
1661	/* I assume combined objects have no inventory	1657	op->owner = 0; // it's his/hers now. period.
1662	* We add the weight - this object could have just been removed
1663	* (if it was possible to merge). calling remove_ob will subtract
1664	* the weight, so we need to add it in again, since we actually do
1665	* the linking below
1666	*/
1667	add_weight (this, op->weight * op->nrof);
1668	}
1669	else
1670	add_weight (this, (op->weight + op->carrying));
1671
1672	otmp = this->in_player ();
1673	if (otmp && otmp->contr)
1674	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1675	otmp->update_stats ();
1676
1677	op->map = 0;	1658	op->map = 0;
1678	op->env = this;	1659	op->x = 0;
		1660	op->y = 0;
		1661
1679	op->above = 0;	1662	op->above = 0;
1680	op->below = 0;	1663	op->below = inv;
1681	op->x = 0, op->y = 0;	1664	op->env = this;
1682		1665
		1666	if (inv)
		1667	inv->above = op;
		1668
		1669	inv = op;
		1670
		1671	op->flag [FLAG_REMOVED] = 0;
		1672
		1673	if (object *pl = op->visible_to ())
		1674	esrv_send_item (pl, op);
		1675
		1676	adjust_weight (this, op->total_weight ());
		1677
		1678	inserted:
1683	/* reset the light list and los of the players on the map */	1679	/* reset the light list and los of the players on the map */
1684	if ((op->glow_radius != 0) && map)	1680	if (op->glow_radius && map && map->darkness)
1685	{
1686	#ifdef DEBUG_LIGHTS
1687	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1688	#endif /* DEBUG_LIGHTS */
1689	if (map->darkness)
1690	update_all_los (map, x, y);	1681	update_all_los (map, x, y);
1691	}
1692		1682
1693	/* Client has no idea of ordering so lets not bother ordering it here.	1683	// if this is a player's inventory, update stats
1694	* It sure simplifies this function...	1684	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1695	*/	1685	update_stats ();
1696	if (!inv)
1697	inv = op;
1698	else
1699	{
1700	op->below = inv;
1701	op->below->above = op;
1702	inv = op;
1703	}
1704		1686
1705	INVOKE_OBJECT (INSERT, this);	1687	INVOKE_OBJECT (INSERT, this);
1706		1688
1707	return op;	1689	return op;
1708	}	1690	}
…		…
1923	* activate recursively a flag on an object inventory	1905	* activate recursively a flag on an object inventory
1924	*/	1906	*/
1925	void	1907	void
1926	flag_inv (object *op, int flag)	1908	flag_inv (object *op, int flag)
1927	{	1909	{
1928	if (op->inv)
1929	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1910	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1930	{	1911	{
1931	SET_FLAG (tmp, flag);	1912	SET_FLAG (tmp, flag);
1932	flag_inv (tmp, flag);	1913	flag_inv (tmp, flag);
1933	}	1914	}
1934	}	1915	}
1935		1916
1936	/*	1917	/*
1937	* deactivate recursively a flag on an object inventory	1918	* deactivate recursively a flag on an object inventory
1938	*/	1919	*/
1939	void	1920	void
1940	unflag_inv (object *op, int flag)	1921	unflag_inv (object *op, int flag)
1941	{	1922	{
1942	if (op->inv)
1943	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1923	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1944	{	1924	{
1945	CLEAR_FLAG (tmp, flag);	1925	CLEAR_FLAG (tmp, flag);
1946	unflag_inv (tmp, flag);	1926	unflag_inv (tmp, flag);
1947	}	1927	}
1948	}
1949
1950	/*
1951	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1952	* all it's inventory (recursively).
1953	* If checksums are used, a player will get set_cheat called for
1954	* him/her-self and all object carried by a call to this function.
1955	*/
1956	void
1957	set_cheat (object *op)
1958	{
1959	SET_FLAG (op, FLAG_WAS_WIZ);
1960	flag_inv (op, FLAG_WAS_WIZ);
1961	}	1928	}
1962		1929
1963	/*	1930	/*
1964	* find_free_spot(object, map, x, y, start, stop) will search for	1931	* find_free_spot(object, map, x, y, start, stop) will search for
1965	* a spot at the given map and coordinates which will be able to contain	1932	* a spot at the given map and coordinates which will be able to contain
…		…
1967	* to search (see the freearr_x/y[] definition).	1934	* to search (see the freearr_x/y[] definition).
1968	* It returns a random choice among the alternatives found.	1935	* It returns a random choice among the alternatives found.
1969	* start and stop are where to start relative to the free_arr array (1,9	1936	* start and stop are where to start relative to the free_arr array (1,9
1970	* does all 4 immediate directions). This returns the index into the	1937	* does all 4 immediate directions). This returns the index into the
1971	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1938	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1972	* Note - this only checks to see if there is space for the head of the
1973	* object - if it is a multispace object, this should be called for all
1974	* pieces.
1975	* Note2: This function does correctly handle tiled maps, but does not	1939	* Note: This function does correctly handle tiled maps, but does not
1976	* inform the caller. However, insert_ob_in_map will update as	1940	* inform the caller. However, insert_ob_in_map will update as
1977	* necessary, so the caller shouldn't need to do any special work.	1941	* necessary, so the caller shouldn't need to do any special work.
1978	* Note - updated to take an object instead of archetype - this is necessary	1942	* Note - updated to take an object instead of archetype - this is necessary
1979	* because arch_blocked (now ob_blocked) needs to know the movement type	1943	* because arch_blocked (now ob_blocked) needs to know the movement type
1980	* to know if the space in question will block the object. We can't use	1944	* to know if the space in question will block the object. We can't use
…		…
1982	* customized, changed states, etc.	1946	* customized, changed states, etc.
1983	*/	1947	*/
1984	int	1948	int
1985	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1949	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1986	{	1950	{
		1951	int altern[SIZEOFFREE];
1987	int index = 0, flag;	1952	int index = 0, flag;
1988	int altern[SIZEOFFREE];
1989		1953
1990	for (int i = start; i < stop; i++)	1954	for (int i = start; i < stop; i++)
1991	{	1955	{
1992	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1956	mapxy pos (m, x, y); pos.move (i);
1993	if (!flag)	1957
		1958	if (!pos.normalise ())
		1959	continue;
		1960
		1961	mapspace &ms = *pos;
		1962
		1963	if (ms.flags () & P_IS_ALIVE)
		1964	continue;
		1965
		1966	/* However, often
		1967	* ob doesn't have any move type (when used to place exits)
		1968	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1969	*/
		1970	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1971	{
1994	altern [index++] = i;	1972	altern [index++] = i;
		1973	continue;
		1974	}
1995		1975
1996	/* Basically, if we find a wall on a space, we cut down the search size.	1976	/* Basically, if we find a wall on a space, we cut down the search size.
1997	* In this way, we won't return spaces that are on another side of a wall.	1977	* In this way, we won't return spaces that are on another side of a wall.
1998	* This mostly work, but it cuts down the search size in all directions -	1978	* This mostly work, but it cuts down the search size in all directions -
1999	* if the space being examined only has a wall to the north and empty	1979	* if the space being examined only has a wall to the north and empty
2000	* spaces in all the other directions, this will reduce the search space	1980	* spaces in all the other directions, this will reduce the search space
2001	* to only the spaces immediately surrounding the target area, and	1981	* to only the spaces immediately surrounding the target area, and
2002	* won't look 2 spaces south of the target space.	1982	* won't look 2 spaces south of the target space.
2003	*/	1983	*/
2004	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1984	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1985	{
2005	stop = maxfree[i];	1986	stop = maxfree[i];
		1987	continue;
		1988	}
		1989
		1990	/* Note it is intentional that we check ob - the movement type of the
		1991	* head of the object should correspond for the entire object.
		1992	*/
		1993	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1994	continue;
		1995
		1996	if (ob->blocked (m, pos.x, pos.y))
		1997	continue;
		1998
		1999	altern [index++] = i;
2006	}	2000	}
2007		2001
2008	if (!index)	2002	if (!index)
2009	return -1;	2003	return -1;
2010		2004
…		…
2019	*/	2013	*/
2020	int	2014	int
2021	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2015	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2022	{	2016	{
2023	for (int i = 0; i < SIZEOFFREE; i++)	2017	for (int i = 0; i < SIZEOFFREE; i++)
2024	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2018	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2025	return i;	2019	return i;
2026		2020
2027	return -1;	2021	return -1;
2028	}	2022	}
2029		2023
…		…
2083	object *tmp;	2077	object *tmp;
2084	maptile *mp;	2078	maptile *mp;
2085		2079
2086	MoveType blocked, move_type;	2080	MoveType blocked, move_type;
2087		2081
2088	if (exclude && exclude->head)	2082	if (exclude && exclude->head_ () != exclude)
2089	{	2083	{
2090	exclude = exclude->head;	2084	exclude = exclude->head;
2091	move_type = exclude->move_type;	2085	move_type = exclude->move_type;
2092	}	2086	}
2093	else	2087	else
…		…
2116	max = maxfree[i];	2110	max = maxfree[i];
2117	else if (mflags & P_IS_ALIVE)	2111	else if (mflags & P_IS_ALIVE)
2118	{	2112	{
2119	for (tmp = ms.bot; tmp; tmp = tmp->above)	2113	for (tmp = ms.bot; tmp; tmp = tmp->above)
2120	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2114	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2121	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2115	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2122	break;	2116	break;
2123		2117
2124	if (tmp)	2118	if (tmp)
2125	return freedir[i];	2119	return freedir[i];
2126	}	2120	}
…		…
2306	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2300	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2307	* core dumps if they do.	2301	* core dumps if they do.
2308	*	2302	*
2309	* Add a check so we can't pick up invisible objects (0.93.8)	2303	* Add a check so we can't pick up invisible objects (0.93.8)
2310	*/	2304	*/
2311
2312	int	2305	int
2313	can_pick (const object *who, const object *item)	2306	can_pick (const object *who, const object *item)
2314	{	2307	{
2315	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2308	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2316	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2309	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2321	* create clone from object to another	2314	* create clone from object to another
2322	*/	2315	*/
2323	object *	2316	object *
2324	object_create_clone (object *asrc)	2317	object_create_clone (object *asrc)
2325	{	2318	{
2326	object *dst = 0, *tmp, *src, *part, *prev, *item;	2319	object *dst = 0;
2327		2320
2328	if (!asrc)	2321	if (!asrc)
2329	return 0;	2322	return 0;
2330		2323
2331	src = asrc;	2324	object *src = asrc->head_ ();
2332	if (src->head)
2333	src = src->head;
2334		2325
2335	prev = 0;	2326	object *prev = 0;
2336	for (part = src; part; part = part->more)	2327	for (object *part = src; part; part = part->more)
2337	{	2328	{
2338	tmp = part->clone ();	2329	object *tmp = part->clone ();
		2330
2339	tmp->x -= src->x;	2331	tmp->x -= src->x;
2340	tmp->y -= src->y;	2332	tmp->y -= src->y;
2341		2333
2342	if (!part->head)	2334	if (!part->head)
2343	{	2335	{
…		…
2353	prev->more = tmp;	2345	prev->more = tmp;
2354		2346
2355	prev = tmp;	2347	prev = tmp;
2356	}	2348	}
2357		2349
2358	for (item = src->inv; item; item = item->below)	2350	for (object *item = src->inv; item; item = item->below)
2359	insert_ob_in_ob (object_create_clone (item), dst);	2351	insert_ob_in_ob (object_create_clone (item), dst);
2360		2352
2361	return dst;	2353	return dst;
2362	}	2354	}
2363		2355
…		…
2373	return tmp;	2365	return tmp;
2374		2366
2375	return 0;	2367	return 0;
2376	}	2368	}
2377		2369
2378	/* If ob has a field named key, return the link from the list,	2370	const shstr &
2379	* otherwise return NULL.	2371	object::kv_get (const shstr &key) const
2380	*
2381	* key must be a passed in shared string - otherwise, this won't
2382	* do the desired thing.
2383	*/
2384	key_value *
2385	get_ob_key_link (const object *ob, const char *key)
2386	{	2372	{
2387	for (key_value *link = ob->key_values; link; link = link->next)	2373	for (key_value *kv = key_values; kv; kv = kv->next)
2388	if (link->key == key)	2374	if (kv->key == key)
2389	return link;
2390
2391	return 0;
2392	}
2393
2394	/*
2395	* Returns the value of op has an extra_field for key, or NULL.
2396	*
2397	* The argument doesn't need to be a shared string.
2398	*
2399	* The returned string is shared.
2400	*/
2401	const char *
2402	get_ob_key_value (const object *op, const char *const key)
2403	{
2404	key_value *link;
2405	shstr_cmp canonical_key (key);
2406
2407	if (!canonical_key)
2408	{
2409	/* 1. There being a field named key on any object
2410	* implies there'd be a shared string to find.
2411	* 2. Since there isn't, no object has this field.
2412	* 3. Therefore, *this* object doesn't have this field.
2413	*/
2414	return 0;
2415	}
2416
2417	/* This is copied from get_ob_key_link() above -
2418	* only 4 lines, and saves the function call overhead.
2419	*/
2420	for (link = op->key_values; link; link = link->next)
2421	if (link->key == canonical_key)
2422	return link->value;	2375	return kv->value;
2423		2376
2424	return 0;	2377	return shstr_null;
2425	}	2378	}
2426		2379
2427	/*	2380	void
2428	* Updates the canonical_key in op to value.	2381	object::kv_set (const shstr &key, const shstr &value)
2429	*
2430	* canonical_key is a shared string (value doesn't have to be).
2431	*
2432	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2433	* keys.
2434	*
2435	* Returns TRUE on success.
2436	*/
2437	int
2438	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2439	{	2382	{
2440	key_value *field = NULL, *last = NULL;	2383	for (key_value *kv = key_values; kv; kv = kv->next)
2441		2384	if (kv->key == key)
2442	for (field = op->key_values; field != NULL; field = field->next)
2443	{
2444	if (field->key != canonical_key)
2445	{	2385	{
2446	last = field;	2386	kv->value = value;
2447	continue;	2387	return;
2448	}	2388	}
2449		2389
2450	if (value)	2390	key_value *kv = new key_value;
2451	field->value = value;	2391
2452	else	2392	kv->next = key_values;
		2393	kv->key = key;
		2394	kv->value = value;
		2395
		2396	key_values = kv;
		2397	}
		2398
		2399	void
		2400	object::kv_del (const shstr &key)
		2401	{
		2402	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2403	if ((*kvp)->key == key)
2453	{	2404	{
2454	/* Basically, if the archetype has this key set,	2405	key_value *kv = *kvp;
2455	* we need to store the null value so when we save	2406	*kvp = (*kvp)->next;
2456	* it, we save the empty value so that when we load,	2407	delete kv;
2457	* we get this value back again.	2408	return;
2458	*/
2459	if (get_ob_key_link (&op->arch->clone, canonical_key))
2460	field->value = 0;
2461	else
2462	{
2463	if (last)
2464	last->next = field->next;
2465	else
2466	op->key_values = field->next;
2467
2468	delete field;
2469	}
2470	}	2409	}
2471	return TRUE;
2472	}
2473	/* IF we get here, key doesn't exist */
2474
2475	/* No field, we'll have to add it. */
2476
2477	if (!add_key)
2478	return FALSE;
2479
2480	/* There isn't any good reason to store a null
2481	* value in the key/value list. If the archetype has
2482	* this key, then we should also have it, so shouldn't
2483	* be here. If user wants to store empty strings,
2484	* should pass in ""
2485	*/
2486	if (value == NULL)
2487	return TRUE;
2488
2489	field = new key_value;
2490
2491	field->key = canonical_key;
2492	field->value = value;
2493	/* Usual prepend-addition. */
2494	field->next = op->key_values;
2495	op->key_values = field;
2496
2497	return TRUE;
2498	}
2499
2500	/*
2501	* Updates the key in op to value.
2502	*
2503	* If add_key is FALSE, this will only update existing keys,
2504	* and not add new ones.
2505	* In general, should be little reason FALSE is ever passed in for add_key
2506	*
2507	* Returns TRUE on success.
2508	*/
2509	int
2510	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2511	{
2512	shstr key_ (key);
2513
2514	return set_ob_key_value_s (op, key_, value, add_key);
2515	}	2410	}
2516		2411
2517	object::depth_iterator::depth_iterator (object *container)	2412	object::depth_iterator::depth_iterator (object *container)
2518	: iterator_base (container)	2413	: iterator_base (container)
2519	{	2414	{
…		…
2532	item = item->inv;	2427	item = item->inv;
2533	}	2428	}
2534	else	2429	else
2535	item = item->env;	2430	item = item->env;
2536	}	2431	}
2537
2538		2432
2539	const char *	2433	const char *
2540	object::flag_desc (char *desc, int len) const	2434	object::flag_desc (char *desc, int len) const
2541	{	2435	{
2542	char *p = desc;	2436	char *p = desc;
…		…
2570	{	2464	{
2571	char flagdesc[512];	2465	char flagdesc[512];
2572	char info2[256 * 4];	2466	char info2[256 * 4];
2573	char *p = info;	2467	char *p = info;
2574		2468
2575	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2469	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2576	count, uuid.seq,	2470	count,
		2471	uuid.c_str (),
2577	&name,	2472	&name,
2578	title ? "\",title:\"" : "",	2473	title ? "\",title:\"" : "",
2579	title ? (const char *)title : "",	2474	title ? (const char *)title : "",
2580	flag_desc (flagdesc, 512), type);	2475	flag_desc (flagdesc, 512), type);
2581		2476
2582	if (env)	2477	if (!flag[FLAG_REMOVED] && env)
2583	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2478	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2584		2479
2585	if (map)	2480	if (map)
2586	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2481	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2587		2482
…		…
2589	}	2484	}
2590		2485
2591	const char *	2486	const char *
2592	object::debug_desc () const	2487	object::debug_desc () const
2593	{	2488	{
2594	static char info[256 * 4];	2489	static char info[3][256 * 4];
		2490	static int info_idx;
		2491
2595	return debug_desc (info);	2492	return debug_desc (info [++info_idx % 3]);
2596	}
2597
2598	const char *
2599	object::debug_desc2 () const
2600	{
2601	static char info[256 * 4];
2602	return debug_desc (info);
2603	}	2493	}
2604		2494
2605	struct region *	2495	struct region *
2606	object::region () const	2496	object::region () const
2607	{	2497	{
…		…
2610	}	2500	}
2611		2501
2612	const materialtype_t *	2502	const materialtype_t *
2613	object::dominant_material () const	2503	object::dominant_material () const
2614	{	2504	{
2615	if (materialtype_t *mat = name_to_material (materialname))	2505	if (materialtype_t *mt = name_to_material (materialname))
2616	return mat;	2506	return mt;
2617		2507
2618	// omfg this is slow, this has to be temporary :)
2619	shstr unknown ("unknown");
2620
2621	return name_to_material (unknown);	2508	return name_to_material (shstr_unknown);
2622	}	2509	}
2623		2510
2624	void	2511	void
2625	object::open_container (object *new_container)	2512	object::open_container (object *new_container)
2626	{	2513	{
2627	if (container == new_container)	2514	if (container == new_container)
2628	return;	2515	return;
2629		2516
2630	if (object *old_container = container)	2517	object *old_container = container;
		2518
		2519	if (old_container)
2631	{	2520	{
2632	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2521	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2633	return;	2522	return;
2634		2523
2635	#if 0	2524	#if 0
…		…
2637	if (object *closer = old_container->inv)	2526	if (object *closer = old_container->inv)
2638	if (closer->type == CLOSE_CON)	2527	if (closer->type == CLOSE_CON)
2639	closer->destroy ();	2528	closer->destroy ();
2640	#endif	2529	#endif
2641		2530
		2531	// make sure the container is available
		2532	esrv_send_item (this, old_container);
		2533
2642	old_container->flag [FLAG_APPLIED] = 0;	2534	old_container->flag [FLAG_APPLIED] = false;
2643	container = 0;	2535	container = 0;
2644		2536
		2537	// client needs item update to make it work, client bug requires this to be separate
2645	esrv_update_item (UPD_FLAGS, this, old_container);	2538	esrv_update_item (UPD_FLAGS, this, old_container);
		2539
2646	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2540	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2541	play_sound (sound_find ("chest_close"));
2647	}	2542	}
2648		2543
2649	if (new_container)	2544	if (new_container)
2650	{	2545	{
2651	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2546	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2662	}	2557	}
2663	#endif	2558	#endif
2664		2559
2665	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2560	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
2666		2561
		2562	// make sure the container is available, client bug requires this to be separate
		2563	esrv_send_item (this, new_container);
		2564
2667	new_container->flag [FLAG_APPLIED] = 1;	2565	new_container->flag [FLAG_APPLIED] = true;
2668	container = new_container;	2566	container = new_container;
2669		2567
		2568	// client needs flag change
2670	esrv_update_item (UPD_FLAGS, this, new_container);	2569	esrv_update_item (UPD_FLAGS, this, new_container);
2671	esrv_send_inventory (this, new_container);	2570	esrv_send_inventory (this, new_container);
		2571	play_sound (sound_find ("chest_open"));
		2572	}
		2573	// else if (!old_container->env && contr && contr->ns)
		2574	// contr->ns->floorbox_reset ();
		2575	}
		2576
		2577	object *
		2578	object::force_find (const shstr name)
		2579	{
		2580	/* cycle through his inventory to look for the MARK we want to
		2581	* place
		2582	*/
		2583	for (object *tmp = inv; tmp; tmp = tmp->below)
		2584	if (tmp->type == FORCE && tmp->slaying == name)
		2585	return splay (tmp);
		2586
		2587	return 0;
		2588	}
		2589
		2590	void
		2591	object::force_add (const shstr name, int duration)
		2592	{
		2593	if (object *force = force_find (name))
		2594	force->destroy ();
		2595
		2596	object *force = get_archetype (FORCE_NAME);
		2597
		2598	force->slaying = name;
		2599	force->stats.food = 1;
		2600	force->speed_left = -1.f;
		2601
		2602	force->set_speed (duration ? 1.f / duration : 0.f);
		2603	force->flag [FLAG_IS_USED_UP] = true;
		2604	force->flag [FLAG_APPLIED] = true;
		2605
		2606	insert (force);
		2607	}
		2608
		2609	void
		2610	object::play_sound (faceidx sound)
		2611	{
		2612	if (!sound)
		2613	return;
		2614
		2615	if (flag [FLAG_REMOVED])
		2616	return;
		2617
		2618	if (env)
2672	}	2619	{
		2620	if (object *pl = in_player ())
		2621	pl->contr->play_sound (sound);
		2622	}
		2623	else
		2624	map->play_sound (sound, x, y);
2673	}	2625	}
2674		2626
2675

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