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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 1.225 by root, Fri May 2 20:28:44 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;	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. */
		305
		306	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	307	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	308	}
303		309
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	310	if (ob1->self || ob2->self)
306	{	311	{
307	ob1->optimise ();	312	ob1->optimise ();
308	ob2->optimise ();	313	ob2->optimise ();
309		314
310	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)
311	return 0;	321	return 0;
		322
		323	if (k1 == 0)
		324	return 1;
		325
		326	if (!cfperl_can_merge (ob1, ob2))
		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 (client_visible () && !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	if (!pl->container || this == pl->container)
		364	return pl;
		365	}
		366	}
		367
		368	return 0;
		369	}
		370
		371	// adjust weight per container type ("of holding")
		372	static sint32
		373	weight_adjust (object *op, sint32 weight)
		374	{
		375	return op->type == CONTAINER
		376	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		377	: weight;
		378	}
		379
		380	/*
		381	* adjust_weight(object, weight) adds the specified weight to an object,
		382	* and also updates how much the environment(s) is/are carrying.
		383	*/
		384	static void
		385	adjust_weight (object *op, sint32 weight)
		386	{
		387	while (op)
		388	{
		389	weight = weight_adjust (op, weight);
		390
		391	if (!weight)
		392	return;
		393
		394	op->carrying += weight;
		395
		396	if (object *pl = op->visible_to ())
		397	if (pl != op) // player is handled lazily
		398	esrv_update_item (UPD_WEIGHT, pl, op);
		399
		400	op = op->env;
		401	}
		402	}
		403
		404	/*
		405	* this is a recursive function which calculates the weight
		406	* an object is carrying. It goes through op and figures out how much
		407	* containers are carrying, and sums it up.
		408	*/
318	void	409	void
319	player::set_range (rangetype r)	410	object::update_weight ()
320	{	411	{
321	shoottype = r;	412	sint32 sum = 0;
322	}
323		413
324	/*	414	for (object *op = inv; op; op = op->below)
325	* sum_weight() is a recursive function which calculates the weight
326	* an object is carrying. It goes through in figures out how much
327	* containers are carrying, and sums it up.
328	*/
329	long
330	sum_weight (object *op)
331	{
332	long sum;
333	object *inv;
334
335	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)
336	{	415	{
337	if (inv->inv)	416	if (op->inv)
338	sum_weight (inv);	417	op->update_weight ();
339	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	418
		419	sum += op->total_weight ();
		420	}
		421
		422	sum = weight_adjust (this, sum);
		423
		424	if (sum != carrying)
340	}	425	{
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;	426	carrying = sum;
347		427
348	return sum;	428	if (object *pl = visible_to ())
		429	if (pl != this) // player is handled lazily
		430	esrv_update_item (UPD_WEIGHT, pl, this);
		431	}
349	}	432	}
350		433
351	/**	434	/*
352	* Return the outermost environment object for a given object.	435	* 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	*/	436	*/
368	char *	437	char *
369	dump_object (object *op)	438	dump_object (object *op)
370	{	439	{
371	if (!op)	440	if (!op)
…		…
379	/*	448	/*
380	* get_nearest_part(multi-object, object 2) returns the part of the	449	* get_nearest_part(multi-object, object 2) returns the part of the
381	* multi-object 1 which is closest to the second object.	450	* multi-object 1 which is closest to the second object.
382	* If it's not a multi-object, it is returned.	451	* If it's not a multi-object, it is returned.
383	*/	452	*/
384
385	object *	453	object *
386	get_nearest_part (object *op, const object *pl)	454	get_nearest_part (object *op, const object *pl)
387	{	455	{
388	object *tmp, *closest;	456	object *tmp, *closest;
389	int last_dist, i;	457	int last_dist, i;
390		458
391	if (op->more == NULL)	459	if (!op->more)
392	return op;	460	return op;
		461
393	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	462	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		463	tmp;
		464	tmp = tmp->more)
394	if ((i = distance (tmp, pl)) < last_dist)	465	if ((i = distance (tmp, pl)) < last_dist)
395	closest = tmp, last_dist = i;	466	closest = tmp, last_dist = i;
		467
396	return closest;	468	return closest;
397	}	469	}
398		470
399	/*	471	/*
400	* Returns the object which has the count-variable equal to the argument.	472	* Returns the object which has the count-variable equal to the argument.
		473	* VERRRY slow.
401	*/	474	*/
402	object *	475	object *
403	find_object (tag_t i)	476	find_object (tag_t i)
404	{	477	{
405	for_all_objects (op)	478	for_all_objects (op)
…		…
425	break;	498	break;
426		499
427	return op;	500	return op;
428	}	501	}
429		502
430	void
431	free_all_object_data ()
432	{
433	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
434	}
435
436	/*	503	/*
437	* Sets the owner and sets the skill and exp pointers to owner's current	504	* Sets the owner and sets the skill and exp pointers to owner's current
438	* skill and experience objects.	505	* skill and experience objects.
		506	* ACTUALLY NO! investigate! TODO
439	*/	507	*/
440	void	508	void
441	object::set_owner (object *owner)	509	object::set_owner (object *owner)
442	{	510	{
		511	// allow objects which own objects
443	if (!owner)	512	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)	513	while (owner->owner)
454	owner = owner->owner;	514	owner = owner->owner;
		515
		516	if (flag [FLAG_FREED])
		517	{
		518	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		519	return;
		520	}
455		521
456	this->owner = owner;	522	this->owner = owner;
		523	}
		524
		525	int
		526	object::slottype () const
		527	{
		528	if (type == SKILL)
		529	{
		530	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		531	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		532	}
		533	else
		534	{
		535	if (slot [body_combat].info) return slot_combat;
		536	if (slot [body_range ].info) return slot_ranged;
		537	}
		538
		539	return slot_none;
		540	}
		541
		542	bool
		543	object::change_weapon (object *ob)
		544	{
		545	if (current_weapon == ob)
		546	return true;
		547
		548	if (chosen_skill)
		549	chosen_skill->flag [FLAG_APPLIED] = false;
		550
		551	current_weapon = ob;
		552	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		553
		554	if (chosen_skill)
		555	chosen_skill->flag [FLAG_APPLIED] = true;
		556
		557	update_stats ();
		558
		559	if (ob)
		560	{
		561	// now check wether any body locations became invalid, in which case
		562	// we cannot apply the weapon at the moment.
		563	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		564	if (slot[i].used < 0)
		565	{
		566	current_weapon = chosen_skill = 0;
		567	update_stats ();
		568
		569	new_draw_info_format (NDI_UNIQUE, 0, this,
		570	"You try to balance all your items at once, "
		571	"but the %s is just too much for your body. "
		572	"[You need to unapply some items first.]", &ob->name);
		573	return false;
		574	}
		575
		576	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		577	}
		578	else
		579	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		580
		581	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		582	{
		583	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		584	&name, ob->debug_desc ());
		585	return false;
		586	}
		587
		588	return true;
457	}	589	}
458		590
459	/* Zero the key_values on op, decrementing the shared-string	591	/* Zero the key_values on op, decrementing the shared-string
460	* refcounts and freeing the links.	592	* refcounts and freeing the links.
461	*/	593	*/
…		…
474	}	606	}
475		607
476	object &	608	object &
477	object::operator =(const object &src)	609	object::operator =(const object &src)
478	{	610	{
479	bool is_freed = flag [FLAG_FREED];	611	remove ();
480	bool is_removed = flag [FLAG_REMOVED];
481		612
482	*(object_copy *)this = src;	613	*(object_copy *)this = src;
483		614
484	flag [FLAG_FREED] = is_freed;
485	flag [FLAG_REMOVED] = is_removed;	615	flag [FLAG_REMOVED] = true;
486		616
487	/* Copy over key_values, if any. */	617	/* Copy over key_values, if any. */
488	if (src.key_values)	618	if (src.key_values)
489	{	619	{
490	key_value *tail = 0;	620	key_value *tail = 0;
…		…
525	object::copy_to (object *dst)	655	object::copy_to (object *dst)
526	{	656	{
527	*dst = *this;	657	*dst = *this;
528		658
529	if (speed < 0)	659	if (speed < 0)
530	dst->speed_left = speed_left - rndm ();	660	dst->speed_left -= rndm ();
531		661
532	dst->set_speed (dst->speed);	662	dst->set_speed (dst->speed);
533	}	663	}
534		664
535	void	665	void
536	object::instantiate ()	666	object::instantiate ()
537	{	667	{
538	if (!uuid.seq) // HACK	668	if (!uuid.seq) // HACK
539	uuid = gen_uuid ();	669	uuid = UUID::gen ();
540		670
541	speed_left = -0.1f;	671	speed_left = -0.1f;
542	/* copy the body_info to the body_used - this is only really	672	/* 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.	673	* 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	674	* by doing so, when a monster is created, it has good starting
545	* values for the body_used info, so when items are created	675	* values for the body_used info, so when items are created
546	* for it, they can be properly equipped.	676	* for it, they can be properly equipped.
547	*/	677	*/
548	memcpy (body_used, body_info, sizeof (body_used));	678	for (int i = NUM_BODY_LOCATIONS; i--; )
		679	slot[i].used = slot[i].info;
549		680
550	attachable::instantiate ();	681	attachable::instantiate ();
551	}	682	}
552		683
553	object *	684	object *
554	object::clone ()	685	object::clone ()
555	{	686	{
556	object *neu = create ();	687	object *neu = create ();
557	copy_to (neu);	688	copy_to (neu);
		689	neu->map = map; // not copied by copy_to
558	return neu;	690	return neu;
559	}	691	}
560		692
561	/*	693	/*
562	* If an object with the IS_TURNABLE() flag needs to be turned due	694	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
613	* UP_OBJ_FACE: only the objects face has changed.	745	* UP_OBJ_FACE: only the objects face has changed.
614	*/	746	*/
615	void	747	void
616	update_object (object *op, int action)	748	update_object (object *op, int action)
617	{	749	{
618	if (op == NULL)	750	if (!op)
619	{	751	{
620	/* this should never happen */	752	/* this should never happen */
621	LOG (llevDebug, "update_object() called for NULL object.\n");	753	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
622	return;	754	return;
623	}	755	}
624		756
625	if (op->env)	757	if (!op->is_on_map ())
626	{	758	{
627	/* Animation is currently handled by client, so nothing	759	/* Animation is currently handled by client, so nothing
628	* to do in this case.	760	* to do in this case.
629	*/	761	*/
630	return;	762	return;
631	}	763	}
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		764
639	/* make sure the object is within map boundaries */	765	/* 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)	766	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
641	{	767	{
642	LOG (llevError, "update_object() called for object out of map!\n");	768	LOG (llevError, "update_object() called for object out of map!\n");
…		…
702	static int object_count;	828	static int object_count;
703		829
704	void object::link ()	830	void object::link ()
705	{	831	{
706	assert (!index);//D	832	assert (!index);//D
707	uuid = gen_uuid ();	833	uuid = UUID::gen ();
708	count = ++object_count;	834	count = ++object_count;
709		835
710	refcnt_inc ();	836	refcnt_inc ();
711	objects.insert (this);	837	objects.insert (this);
712	}	838	}
…		…
785	object::destroy_inv (bool drop_to_ground)	911	object::destroy_inv (bool drop_to_ground)
786	{	912	{
787	// need to check first, because the checks below might segfault	913	// need to check first, because the checks below might segfault
788	// as we might be on an invalid mapspace and crossfire code	914	// as we might be on an invalid mapspace and crossfire code
789	// is too buggy to ensure that the inventory is empty.	915	// is too buggy to ensure that the inventory is empty.
790	// corollary: if you create arrows etc. with stuff in tis inventory,	916	// corollary: if you create arrows etc. with stuff in its inventory,
791	// cf will crash below with off-map x and y	917	// cf will crash below with off-map x and y
792	if (!inv)	918	if (!inv)
793	return;	919	return;
794		920
795	/* Only if the space blocks everything do we not process -	921	/* Only if the space blocks everything do we not process -
796	* if some form of movement is allowed, let objects	922	* if some form of movement is allowed, let objects
797	* drop on that space.	923	* drop on that space.
798	*/	924	*/
799	if (!drop_to_ground	925	if (!drop_to_ground
800	|| !map	926	|| !map
801	|| map->in_memory != MAP_IN_MEMORY	927	|| map->in_memory != MAP_ACTIVE
802	|| map->nodrop	928	|| map->nodrop
803	|| ms ().move_block == MOVE_ALL)	929	|| ms ().move_block == MOVE_ALL)
804	{	930	{
805	while (inv)	931	while (inv)
806	{	932	{
807	inv->destroy_inv (drop_to_ground);	933	inv->destroy_inv (false);
808	inv->destroy ();	934	inv->destroy ();
809	}	935	}
810	}	936	}
811	else	937	else
812	{ /* Put objects in inventory onto this space */	938	{ /* Put objects in inventory onto this space */
…		…
818	|| op->flag [FLAG_NO_DROP]	944	|| op->flag [FLAG_NO_DROP]
819	|| op->type == RUNE	945	|| op->type == RUNE
820	|| op->type == TRAP	946	|| op->type == TRAP
821	|| op->flag [FLAG_IS_A_TEMPLATE]	947	|| op->flag [FLAG_IS_A_TEMPLATE]
822	|| op->flag [FLAG_DESTROY_ON_DEATH])	948	|| op->flag [FLAG_DESTROY_ON_DEATH])
823	op->destroy ();	949	op->destroy (true);
824	else	950	else
825	map->insert (op, x, y);	951	map->insert (op, x, y);
826	}	952	}
827	}	953	}
828	}	954	}
…		…
832	object *op = new object;	958	object *op = new object;
833	op->link ();	959	op->link ();
834	return op;	960	return op;
835	}	961	}
836		962
		963	static struct freed_map : maptile
		964	{
		965	freed_map ()
		966	{
		967	path = "<freed objects map>";
		968	name = "/internal/freed_objects_map";
		969	width = 3;
		970	height = 3;
		971	nodrop = 1;
		972
		973	alloc ();
		974	in_memory = MAP_ACTIVE;
		975	}
		976	} freed_map; // freed objects are moved here to avoid crashes
		977
837	void	978	void
838	object::do_destroy ()	979	object::do_destroy ()
839	{	980	{
840	attachable::do_destroy ();
841
842	if (flag [FLAG_IS_LINKED])	981	if (flag [FLAG_IS_LINKED])
843	remove_button_link (this);	982	remove_button_link (this);
844		983
845	if (flag [FLAG_FRIENDLY])	984	if (flag [FLAG_FRIENDLY])
846	remove_friendly_object (this);	985	remove_friendly_object (this);
847		986
848	if (!flag [FLAG_REMOVED])
849	remove ();	987	remove ();
850		988
851	destroy_inv (true);	989	attachable::do_destroy ();
852		990
853	deactivate ();	991	deactivate ();
854	unlink ();	992	unlink ();
855		993
856	flag [FLAG_FREED] = 1;	994	flag [FLAG_FREED] = 1;
857		995
858	// hack to ensure that freed objects still have a valid map	996	// 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;	997	map = &freed_map;
875	x = 1;	998	x = 1;
876	y = 1;	999	y = 1;
877	}
878
879	head = 0;
880		1000
881	if (more)	1001	if (more)
882	{	1002	{
883	more->destroy ();	1003	more->destroy ();
884	more = 0;	1004	more = 0;
885	}	1005	}
886		1006
		1007	head = 0;
		1008
887	// clear those pointers that likely might have circular references to us	1009	// clear those pointers that likely might cause circular references
888	owner = 0;	1010	owner = 0;
889	enemy = 0;	1011	enemy = 0;
890	attacked_by = 0;	1012	attacked_by = 0;
		1013	current_weapon = 0;
891	}	1014	}
892		1015
893	void	1016	void
894	object::destroy (bool destroy_inventory)	1017	object::destroy (bool destroy_inventory)
895	{	1018	{
896	if (destroyed ())	1019	if (destroyed ())
897	return;	1020	return;
898		1021
		1022	if (!is_head () && !head->destroyed ())
		1023	{
		1024	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1025	head->destroy (destroy_inventory);
		1026	return;
		1027	}
		1028
899	if (destroy_inventory)	1029	destroy_inv (!destroy_inventory);
900	destroy_inv (false);	1030
		1031	if (is_head ())
		1032	if (sound_destroy)
		1033	play_sound (sound_destroy);
		1034	else if (flag [FLAG_MONSTER])
		1035	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
901		1036
902	attachable::destroy ();	1037	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	}	1038	}
921		1039
922	/* op->remove ():	1040	/* op->remove ():
923	* This function removes the object op from the linked list of objects	1041	* 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	1042	* which it is currently tied to. When this function is done, the
…		…
930	object::do_remove ()	1048	object::do_remove ()
931	{	1049	{
932	object *tmp, *last = 0;	1050	object *tmp, *last = 0;
933	object *otmp;	1051	object *otmp;
934		1052
935	if (QUERY_FLAG (this, FLAG_REMOVED))	1053	if (flag [FLAG_REMOVED])
936	return;	1054	return;
937		1055
938	SET_FLAG (this, FLAG_REMOVED);
939	INVOKE_OBJECT (REMOVE, this);	1056	INVOKE_OBJECT (REMOVE, this);
		1057
		1058	flag [FLAG_REMOVED] = true;
940		1059
941	if (more)	1060	if (more)
942	more->remove ();	1061	more->remove ();
943		1062
944	/*	1063	/*
945	* In this case, the object to be removed is in someones	1064	* In this case, the object to be removed is in someones
946	* inventory.	1065	* inventory.
947	*/	1066	*/
948	if (env)	1067	if (env)
949	{	1068	{
		1069	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
		1070	if (object *pl = visible_to ())
		1071	esrv_del_item (pl->contr, count);
		1072	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1073
		1074	adjust_weight (env, -total_weight ());
		1075
		1076	*(above ? &above->below : &env->inv) = below;
		1077
950	if (nrof)	1078	if (below)
951	sub_weight (env, weight * nrof);	1079	below->above = above;
952	else	1080
953	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;
954		1091
955	/* 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
956	* made to players inventory. If set, avoiding the call	1093	* made to players inventory. If set, avoiding the call
957	* to save cpu time.	1094	* to save cpu time.
958	*/	1095	*/
959	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))
960	otmp->update_stats ();	1097	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	}	1098	}
979	else if (map)	1099	else if (map)
980	{	1100	{
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;	1101	map->dirty = true;
994	mapspace &ms = this->ms ();	1102	mapspace &ms = this->ms ();
		1103
		1104	if (object *pl = ms.player ())
		1105	{
		1106	if (type == PLAYER) // this == pl(!)
		1107	{
		1108	// leaving a spot always closes any open container on the ground
		1109	if (container && !container->env)
		1110	// this causes spurious floorbox updates, but it ensures
		1111	// that the CLOSE event is being sent.
		1112	close_container ();
		1113
		1114	--map->players;
		1115	map->touch ();
		1116	}
		1117	else if (pl->container == this)
		1118	{
		1119	// removing a container should close it
		1120	close_container ();
		1121	}
		1122
		1123	esrv_del_item (pl->contr, count);
		1124	}
995		1125
996	/* link the object above us */	1126	/* link the object above us */
997	if (above)	1127	if (above)
998	above->below = below;	1128	above->below = below;
999	else	1129	else
…		…
1020	if (map->in_memory == MAP_SAVING)	1150	if (map->in_memory == MAP_SAVING)
1021	return;	1151	return;
1022		1152
1023	int check_walk_off = !flag [FLAG_NO_APPLY];	1153	int check_walk_off = !flag [FLAG_NO_APPLY];
1024		1154
		1155	if (object *pl = ms.player ())
		1156	{
		1157	if (pl->container == this)
		1158	/* If a container that the player is currently using somehow gets
		1159	* removed (most likely destroyed), update the player view
		1160	* appropriately.
		1161	*/
		1162	pl->close_container ();
		1163
		1164	//TODO: the floorbox prev/next might need updating
		1165	esrv_del_item (pl->contr, count);
		1166	}
		1167
1025	for (tmp = ms.bot; tmp; tmp = tmp->above)	1168	for (tmp = ms.bot; tmp; tmp = tmp->above)
1026	{	1169	{
1027	/* No point updating the players look faces if he is the object	1170	/* No point updating the players look faces if he is the object
1028	* being removed.	1171	* being removed.
1029	*/	1172	*/
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		1173
1047	/* See if object moving off should effect something */	1174	/* See if object moving off should effect something */
1048	if (check_walk_off	1175	if (check_walk_off
1049	&& ((move_type & tmp->move_off)	1176	&& ((move_type & tmp->move_off)
1050	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1177	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1053		1180
1054	if (destroyed ())	1181	if (destroyed ())
1055	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1182	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1056	}	1183	}
1057		1184
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;	1185	last = tmp;
1064	}	1186	}
1065		1187
1066	/* last == NULL if there are no objects on this space */	1188	/* last == NULL if there are no objects on this space */
1067	//TODO: this makes little sense, why only update the topmost object?	1189	//TODO: this makes little sense, why only update the topmost object?
…		…
1087	merge_ob (object *op, object *top)	1209	merge_ob (object *op, object *top)
1088	{	1210	{
1089	if (!op->nrof)	1211	if (!op->nrof)
1090	return 0;	1212	return 0;
1091		1213
1092	if (top)	1214	if (!top)
1093	for (top = op; top && top->above; top = top->above)	1215	for (top = op; top && top->above; top = top->above)
1094	;	1216	;
1095		1217
1096	for (; top; top = top->below)	1218	for (; top; top = top->below)
1097	{
1098	if (top == op)
1099	continue;
1100
1101	if (object::can_merge (op, top))	1219	if (object::can_merge (op, top))
1102	{	1220	{
1103	top->nrof += op->nrof;	1221	top->nrof += op->nrof;
1104		1222
1105	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1223	if (object *pl = top->visible_to ())
1106	op->weight = 0; /* Don't want any adjustements now */	1224	esrv_update_item (UPD_NROF, pl, top);
		1225
		1226	op->weight = 0; // cancel the addition above
		1227	op->carrying = 0; // must be 0 already
		1228
1107	op->destroy ();	1229	op->destroy (1);
		1230
1108	return top;	1231	return top;
1109	}	1232	}
1110	}
1111		1233
1112	return 0;	1234	return 0;
1113	}	1235	}
1114		1236
1115	void	1237	void
…		…
1118	if (more)	1240	if (more)
1119	return;	1241	return;
1120		1242
1121	object *prev = this;	1243	object *prev = this;
1122		1244
1123	for (archetype *at = arch->more; at; at = at->more)	1245	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1124	{	1246	{
1125	object *op = arch_to_object (at);	1247	object *op = arch_to_object (at);
1126		1248
1127	op->name = name;	1249	op->name = name;
1128	op->name_pl = name_pl;	1250	op->name_pl = name_pl;
…		…
1142	object *	1264	object *
1143	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1265	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1144	{	1266	{
1145	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1267	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1146	{	1268	{
1147	tmp->x = x + tmp->arch->clone.x;	1269	tmp->x = x + tmp->arch->x;
1148	tmp->y = y + tmp->arch->clone.y;	1270	tmp->y = y + tmp->arch->y;
1149	}	1271	}
1150		1272
1151	return insert_ob_in_map (op, m, originator, flag);	1273	return insert_ob_in_map (op, m, originator, flag);
1152	}	1274	}
1153		1275
…		…
1174	object *	1296	object *
1175	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1297	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1176	{	1298	{
1177	assert (!op->flag [FLAG_FREED]);	1299	assert (!op->flag [FLAG_FREED]);
1178		1300
1179	object *tmp, *top, *floor = NULL;
1180
1181	op->remove ();	1301	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		1302
1217	/* Ideally, the caller figures this out. However, it complicates a lot	1303	/* 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	1304	* of areas of callers (eg, anything that uses find_free_spot would now
1219	* need extra work	1305	* need extra work
1220	*/	1306	*/
1221	if (!xy_normalise (m, op->x, op->y))	1307	if (!xy_normalise (m, op->x, op->y))
		1308	{
		1309	op->destroy (1);
1222	return 0;	1310	return 0;
		1311	}
		1312
		1313	if (object *more = op->more)
		1314	if (!insert_ob_in_map (more, m, originator, flag))
		1315	return 0;
		1316
		1317	CLEAR_FLAG (op, FLAG_REMOVED);
1223		1318
1224	op->map = m;	1319	op->map = m;
1225	mapspace &ms = op->ms ();	1320	mapspace &ms = op->ms ();
1226		1321
1227	/* this has to be done after we translate the coordinates.	1322	/* this has to be done after we translate the coordinates.
1228	*/	1323	*/
1229	if (op->nrof && !(flag & INS_NO_MERGE))	1324	if (op->nrof && !(flag & INS_NO_MERGE))
1230	for (tmp = ms.bot; tmp; tmp = tmp->above)	1325	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1231	if (object::can_merge (op, tmp))	1326	if (object::can_merge (op, tmp))
1232	{	1327	{
		1328	// TODO: we atcually want to update tmp, not op,
		1329	// but some caller surely breaks when we return tmp
		1330	// from here :/
1233	op->nrof += tmp->nrof;	1331	op->nrof += tmp->nrof;
1234	tmp->destroy ();	1332	tmp->destroy (1);
1235	}	1333	}
1236		1334
1237	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1335	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1238	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1336	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1239		1337
…		…
1259	/* since *below* originator, no need to update top */	1357	/* since *below* originator, no need to update top */
1260	originator->below = op;	1358	originator->below = op;
1261	}	1359	}
1262	else	1360	else
1263	{	1361	{
		1362	object *top, *floor = NULL;
		1363
1264	top = ms.bot;	1364	top = ms.bot;
1265		1365
1266	/* If there are other objects, then */	1366	/* If there are other objects, then */
1267	if ((!(flag & INS_MAP_LOAD)) && top)	1367	if (top)
1268	{	1368	{
1269	object *last = 0;	1369	object *last = 0;
1270		1370
1271	/*	1371	/*
1272	* If there are multiple objects on this space, we do some trickier handling.	1372	* If there are multiple objects on this space, we do some trickier handling.
…		…
1325	if (last && last->below && last != floor)	1425	if (last && last->below && last != floor)
1326	top = last->below;	1426	top = last->below;
1327	}	1427	}
1328	} /* If objects on this space */	1428	} /* If objects on this space */
1329		1429
1330	if (flag & INS_MAP_LOAD)
1331	top = ms.top;
1332
1333	if (flag & INS_ABOVE_FLOOR_ONLY)	1430	if (flag & INS_ABOVE_FLOOR_ONLY)
1334	top = floor;	1431	top = floor;
1335		1432
1336	/* Top is the object that our object (op) is going to get inserted above.	1433	/* Top is the object that our object (op) is going to get inserted above.
1337	*/	1434	*/
…		…
1369	op->map->touch ();	1466	op->map->touch ();
1370	}	1467	}
1371		1468
1372	op->map->dirty = true;	1469	op->map->dirty = true;
1373		1470
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 ())	1471	if (object *pl = ms.player ())
1379	if (pl->contr->ns)	1472	//TODO: the floorbox prev/next might need updating
1380	pl->contr->ns->floorbox_update ();	1473	esrv_send_item (pl, op);
1381		1474
1382	/* If this object glows, it may affect lighting conditions that are	1475	/* If this object glows, it may affect lighting conditions that are
1383	* visible to others on this map. But update_all_los is really	1476	* 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	1477	* 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	1478	* on the map will get recalculated. The players could very well
…		…
1404	* blocked() and wall() work properly), and these flags are updated by	1497	* blocked() and wall() work properly), and these flags are updated by
1405	* update_object().	1498	* update_object().
1406	*/	1499	*/
1407		1500
1408	/* if this is not the head or flag has been passed, don't check walk on status */	1501	/* 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)	1502	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1410	{	1503	{
1411	if (check_move_on (op, originator))	1504	if (check_move_on (op, originator))
1412	return 0;	1505	return 0;
1413		1506
1414	/* If we are a multi part object, lets work our way through the check	1507	/* If we are a multi part object, lets work our way through the check
1415	* walk on's.	1508	* walk on's.
1416	*/	1509	*/
1417	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1510	for (object *tmp = op->more; tmp; tmp = tmp->more)
1418	if (check_move_on (tmp, originator))	1511	if (check_move_on (tmp, originator))
1419	return 0;	1512	return 0;
1420	}	1513	}
1421		1514
1422	return op;	1515	return op;
…		…
1427	* op is the object to insert it under: supplies x and the map.	1520	* op is the object to insert it under: supplies x and the map.
1428	*/	1521	*/
1429	void	1522	void
1430	replace_insert_ob_in_map (const char *arch_string, object *op)	1523	replace_insert_ob_in_map (const char *arch_string, object *op)
1431	{	1524	{
1432	object *tmp, *tmp1;
1433
1434	/* first search for itself and remove any old instances */	1525	/* first search for itself and remove any old instances */
1435		1526
1436	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1527	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1437	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1528	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1438	tmp->destroy ();	1529	tmp->destroy (1);
1439		1530
1440	tmp1 = arch_to_object (archetype::find (arch_string));	1531	object *tmp = arch_to_object (archetype::find (arch_string));
1441		1532
1442	tmp1->x = op->x;	1533	tmp->x = op->x;
1443	tmp1->y = op->y;	1534	tmp->y = op->y;
		1535
1444	insert_ob_in_map (tmp1, op->map, op, 0);	1536	insert_ob_in_map (tmp, op->map, op, 0);
1445	}	1537	}
1446		1538
1447	object *	1539	object *
1448	object::insert_at (object *where, object *originator, int flags)	1540	object::insert_at (object *where, object *originator, int flags)
1449	{	1541	{
		1542	if (where->env)
		1543	return where->env->insert (this);
		1544	else
1450	return where->map->insert (this, where->x, where->y, originator, flags);	1545	return where->map->insert (this, where->x, where->y, originator, flags);
1451	}	1546	}
1452		1547
1453	/*	1548	/*
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	1549	* decrease(object, number) decreases a specified number from
1495	* the amount of an object. If the amount reaches 0, the object	1550	* the amount of an object. If the amount reaches 0, the object
1496	* is subsequently removed and freed.	1551	* is subsequently removed and freed.
1497	*	1552	*
1498	* Return value: 'op' if something is left, NULL if the amount reached 0	1553	* Return value: 'op' if something is left, NULL if the amount reached 0
1499	*/	1554	*/
		1555	bool
		1556	object::decrease (sint32 nr)
		1557	{
		1558	if (!nr)
		1559	return true;
		1560
		1561	nr = min (nr, nrof);
		1562
		1563	nrof -= nr;
		1564
		1565	if (nrof)
		1566	{
		1567	adjust_weight (env, -weight * nr); // carrying == 0
		1568
		1569	if (object *pl = visible_to ())
		1570	esrv_update_item (UPD_NROF, pl, this);
		1571
		1572	return true;
		1573	}
		1574	else
		1575	{
		1576	destroy (1);
		1577	return false;
		1578	}
		1579	}
		1580
		1581	/*
		1582	* split(ob,nr) splits up ob into two parts. The part which
		1583	* is returned contains nr objects, and the remaining parts contains
		1584	* the rest (or is removed and returned if that number is 0).
		1585	* On failure, NULL is returned.
		1586	*/
1500	object *	1587	object *
1501	decrease_ob_nr (object *op, uint32 i)	1588	object::split (sint32 nr)
1502	{	1589	{
1503	object *tmp;	1590	int have = number_of ();
1504		1591
1505	if (i == 0) /* objects with op->nrof require this check */	1592	if (have < nr)
1506	return op;	1593	return 0;
1507		1594	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	{	1595	{
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 ();	1596	remove ();
1543	op->nrof = 0;	1597	return this;
1544	if (tmp)
1545	esrv_del_item (tmp->contr, op->count);
1546	}
1547	}	1598	}
1548	else	1599	else
1549	{	1600	{
1550	object *above = op->above;	1601	decrease (nr);
1551		1602
1552	if (i < op->nrof)	1603	object *op = object_create_clone (this);
1553	op->nrof -= i;	1604	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;	1605	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	}	1606	}
1595	}	1607	}
1596		1608
1597	object *	1609	object *
1598	insert_ob_in_ob (object *op, object *where)	1610	insert_ob_in_ob (object *op, object *where)
…		…
1603	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1615	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1604	free (dump);	1616	free (dump);
1605	return op;	1617	return op;
1606	}	1618	}
1607		1619
1608	if (where->head)	1620	if (where->head_ () != where)
1609	{	1621	{
1610	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1622	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1611	where = where->head;	1623	where = where->head;
1612	}	1624	}
1613		1625
1614	return where->insert (op);	1626	return where->insert (op);
1615	}	1627	}
…		…
1623	* be != op, if items are merged. -Tero	1635	* be != op, if items are merged. -Tero
1624	*/	1636	*/
1625	object *	1637	object *
1626	object::insert (object *op)	1638	object::insert (object *op)
1627	{	1639	{
1628	object *tmp, *otmp;
1629
1630	if (!QUERY_FLAG (op, FLAG_REMOVED))
1631	op->remove ();
1632
1633	if (op->more)	1640	if (op->more)
1634	{	1641	{
1635	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1642	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1636	return op;	1643	return op;
1637	}	1644	}
1638		1645
1639	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1646	op->remove ();
1640	CLEAR_FLAG (op, FLAG_REMOVED);	1647
		1648	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1649
1641	if (op->nrof)	1650	if (op->nrof)
1642	{
1643	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1651	for (object *tmp = inv; tmp; tmp = tmp->below)
1644	if (object::can_merge (tmp, op))	1652	if (object::can_merge (tmp, op))
1645	{	1653	{
1646	/* return the original object and remove inserted object	1654	/* return the original object and remove inserted object
1647	(client needs the original object) */	1655	(client needs the original object) */
1648	tmp->nrof += op->nrof;	1656	tmp->nrof += op->nrof;
1649	/* Weight handling gets pretty funky. Since we are adding to	1657
1650	* tmp->nrof, we need to increase the weight.	1658	if (object *pl = tmp->visible_to ())
1651	*/	1659	esrv_update_item (UPD_NROF, pl, tmp);
		1660
1652	add_weight (this, op->weight * op->nrof);	1661	adjust_weight (this, op->total_weight ());
1653	SET_FLAG (op, FLAG_REMOVED);	1662
1654	op->destroy (); /* free the inserted object */	1663	op->destroy (1);
1655	op = tmp;	1664	op = tmp;
1656	op->remove (); /* and fix old object's links */	1665	goto inserted;
1657	CLEAR_FLAG (op, FLAG_REMOVED);
1658	break;
1659	}	1666	}
1660		1667
1661	/* I assume combined objects have no inventory	1668	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;	1669	op->map = 0;
1678	op->env = this;	1670	op->x = 0;
		1671	op->y = 0;
		1672
1679	op->above = 0;	1673	op->above = 0;
1680	op->below = 0;	1674	op->below = inv;
1681	op->x = 0, op->y = 0;	1675	op->env = this;
1682		1676
		1677	if (inv)
		1678	inv->above = op;
		1679
		1680	inv = op;
		1681
		1682	op->flag [FLAG_REMOVED] = 0;
		1683
		1684	if (object *pl = op->visible_to ())
		1685	esrv_send_item (pl, op);
		1686
		1687	adjust_weight (this, op->total_weight ());
		1688
		1689	inserted:
1683	/* reset the light list and los of the players on the map */	1690	/* reset the light list and los of the players on the map */
1684	if ((op->glow_radius != 0) && map)	1691	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);	1692	update_all_los (map, x, y);
1691	}
1692		1693
1693	/* Client has no idea of ordering so lets not bother ordering it here.	1694	// if this is a player's inventory, update stats
1694	* It sure simplifies this function...	1695	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1695	*/	1696	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		1697
1705	INVOKE_OBJECT (INSERT, this);	1698	INVOKE_OBJECT (INSERT, this);
1706		1699
1707	return op;	1700	return op;
1708	}	1701	}
…		…
1923	* activate recursively a flag on an object inventory	1916	* activate recursively a flag on an object inventory
1924	*/	1917	*/
1925	void	1918	void
1926	flag_inv (object *op, int flag)	1919	flag_inv (object *op, int flag)
1927	{	1920	{
1928	if (op->inv)
1929	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1921	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1930	{	1922	{
1931	SET_FLAG (tmp, flag);	1923	SET_FLAG (tmp, flag);
1932	flag_inv (tmp, flag);	1924	flag_inv (tmp, flag);
1933	}	1925	}
1934	}	1926	}
1935		1927
1936	/*	1928	/*
1937	* deactivate recursively a flag on an object inventory	1929	* deactivate recursively a flag on an object inventory
1938	*/	1930	*/
1939	void	1931	void
1940	unflag_inv (object *op, int flag)	1932	unflag_inv (object *op, int flag)
1941	{	1933	{
1942	if (op->inv)
1943	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1934	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1944	{	1935	{
1945	CLEAR_FLAG (tmp, flag);	1936	CLEAR_FLAG (tmp, flag);
1946	unflag_inv (tmp, flag);	1937	unflag_inv (tmp, flag);
1947	}	1938	}
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	}	1939	}
1962		1940
1963	/*	1941	/*
1964	* find_free_spot(object, map, x, y, start, stop) will search for	1942	* 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	1943	* a spot at the given map and coordinates which will be able to contain
…		…
1967	* to search (see the freearr_x/y[] definition).	1945	* to search (see the freearr_x/y[] definition).
1968	* It returns a random choice among the alternatives found.	1946	* 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	1947	* 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	1948	* 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)	1949	* 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	1950	* Note: This function does correctly handle tiled maps, but does not
1976	* inform the caller. However, insert_ob_in_map will update as	1951	* inform the caller. However, insert_ob_in_map will update as
1977	* necessary, so the caller shouldn't need to do any special work.	1952	* 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	1953	* 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	1954	* 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	1955	* to know if the space in question will block the object. We can't use
…		…
1982	* customized, changed states, etc.	1957	* customized, changed states, etc.
1983	*/	1958	*/
1984	int	1959	int
1985	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1960	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1986	{	1961	{
		1962	int altern[SIZEOFFREE];
1987	int index = 0, flag;	1963	int index = 0, flag;
1988	int altern[SIZEOFFREE];
1989		1964
1990	for (int i = start; i < stop; i++)	1965	for (int i = start; i < stop; i++)
1991	{	1966	{
1992	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1967	mapxy pos (m, x, y); pos.move (i);
1993	if (!flag)	1968
		1969	if (!pos.normalise ())
		1970	continue;
		1971
		1972	mapspace &ms = *pos;
		1973
		1974	if (ms.flags () & P_IS_ALIVE)
		1975	continue;
		1976
		1977	/* However, often
		1978	* ob doesn't have any move type (when used to place exits)
		1979	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1980	*/
		1981	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1982	{
1994	altern [index++] = i;	1983	altern [index++] = i;
		1984	continue;
		1985	}
1995		1986
1996	/* Basically, if we find a wall on a space, we cut down the search size.	1987	/* 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.	1988	* 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 -	1989	* 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	1990	* 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	1991	* spaces in all the other directions, this will reduce the search space
2001	* to only the spaces immediately surrounding the target area, and	1992	* to only the spaces immediately surrounding the target area, and
2002	* won't look 2 spaces south of the target space.	1993	* won't look 2 spaces south of the target space.
2003	*/	1994	*/
2004	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1995	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1996	{
2005	stop = maxfree[i];	1997	stop = maxfree[i];
		1998	continue;
		1999	}
		2000
		2001	/* Note it is intentional that we check ob - the movement type of the
		2002	* head of the object should correspond for the entire object.
		2003	*/
		2004	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2005	continue;
		2006
		2007	if (ob->blocked (m, pos.x, pos.y))
		2008	continue;
		2009
		2010	altern [index++] = i;
2006	}	2011	}
2007		2012
2008	if (!index)	2013	if (!index)
2009	return -1;	2014	return -1;
2010		2015
…		…
2019	*/	2024	*/
2020	int	2025	int
2021	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2026	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2022	{	2027	{
2023	for (int i = 0; i < SIZEOFFREE; i++)	2028	for (int i = 0; i < SIZEOFFREE; i++)
2024	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2029	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2025	return i;	2030	return i;
2026		2031
2027	return -1;	2032	return -1;
2028	}	2033	}
2029		2034
…		…
2083	object *tmp;	2088	object *tmp;
2084	maptile *mp;	2089	maptile *mp;
2085		2090
2086	MoveType blocked, move_type;	2091	MoveType blocked, move_type;
2087		2092
2088	if (exclude && exclude->head)	2093	if (exclude && exclude->head_ () != exclude)
2089	{	2094	{
2090	exclude = exclude->head;	2095	exclude = exclude->head;
2091	move_type = exclude->move_type;	2096	move_type = exclude->move_type;
2092	}	2097	}
2093	else	2098	else
…		…
2116	max = maxfree[i];	2121	max = maxfree[i];
2117	else if (mflags & P_IS_ALIVE)	2122	else if (mflags & P_IS_ALIVE)
2118	{	2123	{
2119	for (tmp = ms.bot; tmp; tmp = tmp->above)	2124	for (tmp = ms.bot; tmp; tmp = tmp->above)
2120	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2125	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2121	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2126	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2122	break;	2127	break;
2123		2128
2124	if (tmp)	2129	if (tmp)
2125	return freedir[i];	2130	return freedir[i];
2126	}	2131	}
…		…
2306	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2311	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2307	* core dumps if they do.	2312	* core dumps if they do.
2308	*	2313	*
2309	* Add a check so we can't pick up invisible objects (0.93.8)	2314	* Add a check so we can't pick up invisible objects (0.93.8)
2310	*/	2315	*/
2311
2312	int	2316	int
2313	can_pick (const object *who, const object *item)	2317	can_pick (const object *who, const object *item)
2314	{	2318	{
2315	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2319	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2316	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2320	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2321	* create clone from object to another	2325	* create clone from object to another
2322	*/	2326	*/
2323	object *	2327	object *
2324	object_create_clone (object *asrc)	2328	object_create_clone (object *asrc)
2325	{	2329	{
2326	object *dst = 0, *tmp, *src, *part, *prev, *item;	2330	object *dst = 0;
2327		2331
2328	if (!asrc)	2332	if (!asrc)
2329	return 0;	2333	return 0;
2330		2334
2331	src = asrc;	2335	object *src = asrc->head_ ();
2332	if (src->head)
2333	src = src->head;
2334		2336
2335	prev = 0;	2337	object *prev = 0;
2336	for (part = src; part; part = part->more)	2338	for (object *part = src; part; part = part->more)
2337	{	2339	{
2338	tmp = part->clone ();	2340	object *tmp = part->clone ();
		2341
2339	tmp->x -= src->x;	2342	tmp->x -= src->x;
2340	tmp->y -= src->y;	2343	tmp->y -= src->y;
2341		2344
2342	if (!part->head)	2345	if (!part->head)
2343	{	2346	{
…		…
2353	prev->more = tmp;	2356	prev->more = tmp;
2354		2357
2355	prev = tmp;	2358	prev = tmp;
2356	}	2359	}
2357		2360
2358	for (item = src->inv; item; item = item->below)	2361	for (object *item = src->inv; item; item = item->below)
2359	insert_ob_in_ob (object_create_clone (item), dst);	2362	insert_ob_in_ob (object_create_clone (item), dst);
2360		2363
2361	return dst;	2364	return dst;
2362	}	2365	}
2363		2366
…		…
2454	/* Basically, if the archetype has this key set,	2457	/* Basically, if the archetype has this key set,
2455	* we need to store the null value so when we save	2458	* we need to store the null value so when we save
2456	* it, we save the empty value so that when we load,	2459	* it, we save the empty value so that when we load,
2457	* we get this value back again.	2460	* we get this value back again.
2458	*/	2461	*/
2459	if (get_ob_key_link (&op->arch->clone, canonical_key))	2462	if (get_ob_key_link (op->arch, canonical_key))
2460	field->value = 0;	2463	field->value = 0;
2461	else	2464	else
2462	{	2465	{
2463	if (last)	2466	if (last)
2464	last->next = field->next;	2467	last->next = field->next;
…		…
2533	}	2536	}
2534	else	2537	else
2535	item = item->env;	2538	item = item->env;
2536	}	2539	}
2537		2540
2538
2539	const char *	2541	const char *
2540	object::flag_desc (char *desc, int len) const	2542	object::flag_desc (char *desc, int len) const
2541	{	2543	{
2542	char *p = desc;	2544	char *p = desc;
2543	bool first = true;	2545	bool first = true;
…		…
2570	{	2572	{
2571	char flagdesc[512];	2573	char flagdesc[512];
2572	char info2[256 * 4];	2574	char info2[256 * 4];
2573	char *p = info;	2575	char *p = info;
2574		2576
2575	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2577	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2576	count, uuid.seq,	2578	count,
		2579	uuid.c_str (),
2577	&name,	2580	&name,
2578	title ? "\",title:\"" : "",	2581	title ? "\",title:\"" : "",
2579	title ? (const char *)title : "",	2582	title ? (const char *)title : "",
2580	flag_desc (flagdesc, 512), type);	2583	flag_desc (flagdesc, 512), type);
2581		2584
2582	if (env)	2585	if (!flag[FLAG_REMOVED] && env)
2583	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2586	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2584		2587
2585	if (map)	2588	if (map)
2586	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2589	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2587		2590
…		…
2589	}	2592	}
2590		2593
2591	const char *	2594	const char *
2592	object::debug_desc () const	2595	object::debug_desc () const
2593	{	2596	{
2594	static char info[256 * 4];	2597	static char info[3][256 * 4];
		2598	static int info_idx;
		2599
2595	return debug_desc (info);	2600	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	}	2601	}
2604		2602
2605	struct region *	2603	struct region *
2606	object::region () const	2604	object::region () const
2607	{	2605	{
…		…
2610	}	2608	}
2611		2609
2612	const materialtype_t *	2610	const materialtype_t *
2613	object::dominant_material () const	2611	object::dominant_material () const
2614	{	2612	{
2615	if (materialtype_t *mat = name_to_material (materialname))	2613	if (materialtype_t *mt = name_to_material (materialname))
2616	return mat;	2614	return mt;
2617		2615
2618	// omfg this is slow, this has to be temporary :)
2619	shstr unknown ("unknown");
2620
2621	return name_to_material (unknown);	2616	return name_to_material (shstr_unknown);
2622	}	2617	}
2623		2618
2624	void	2619	void
2625	object::open_container (object *new_container)	2620	object::open_container (object *new_container)
2626	{	2621	{
2627	if (container == new_container)	2622	if (container == new_container)
2628	return;	2623	return;
2629		2624
2630	if (object *old_container = container)	2625	object *old_container = container;
		2626
		2627	if (old_container)
2631	{	2628	{
2632	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2629	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2633	return;	2630	return;
2634		2631
2635	#if 0	2632	#if 0
…		…
2637	if (object *closer = old_container->inv)	2634	if (object *closer = old_container->inv)
2638	if (closer->type == CLOSE_CON)	2635	if (closer->type == CLOSE_CON)
2639	closer->destroy ();	2636	closer->destroy ();
2640	#endif	2637	#endif
2641		2638
		2639	// make sure the container is available
		2640	esrv_send_item (this, old_container);
		2641
2642	old_container->flag [FLAG_APPLIED] = 0;	2642	old_container->flag [FLAG_APPLIED] = false;
2643	container = 0;	2643	container = 0;
2644		2644
		2645	// client needs item update to make it work, client bug requires this to be separate
2645	esrv_update_item (UPD_FLAGS, this, old_container);	2646	esrv_update_item (UPD_FLAGS, this, old_container);
		2647
2646	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2648	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2649	play_sound (sound_find ("chest_close"));
2647	}	2650	}
2648		2651
2649	if (new_container)	2652	if (new_container)
2650	{	2653	{
2651	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2654	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2662	}	2665	}
2663	#endif	2666	#endif
2664		2667
2665	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2668	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
2666		2669
		2670	// make sure the container is available, client bug requires this to be separate
		2671	esrv_send_item (this, new_container);
		2672
2667	new_container->flag [FLAG_APPLIED] = 1;	2673	new_container->flag [FLAG_APPLIED] = true;
2668	container = new_container;	2674	container = new_container;
2669		2675
		2676	// client needs flag change
2670	esrv_update_item (UPD_FLAGS, this, new_container);	2677	esrv_update_item (UPD_FLAGS, this, new_container);
2671	esrv_send_inventory (this, new_container);	2678	esrv_send_inventory (this, new_container);
		2679	play_sound (sound_find ("chest_open"));
		2680	}
		2681	// else if (!old_container->env && contr && contr->ns)
		2682	// contr->ns->floorbox_reset ();
		2683	}
		2684
		2685	object *
		2686	object::force_find (const shstr name)
		2687	{
		2688	/* cycle through his inventory to look for the MARK we want to
		2689	* place
		2690	*/
		2691	for (object *tmp = inv; tmp; tmp = tmp->below)
		2692	if (tmp->type == FORCE && tmp->slaying == name)
		2693	return splay (tmp);
		2694
		2695	return 0;
		2696	}
		2697
		2698	void
		2699	object::force_add (const shstr name, int duration)
		2700	{
		2701	if (object *force = force_find (name))
		2702	force->destroy ();
		2703
		2704	object *force = get_archetype (FORCE_NAME);
		2705
		2706	force->slaying = name;
		2707	force->stats.food = 1;
		2708	force->speed_left = -1.f;
		2709
		2710	force->set_speed (duration ? 1.f / duration : 0.f);
		2711	force->flag [FLAG_IS_USED_UP] = true;
		2712	force->flag [FLAG_APPLIED] = true;
		2713
		2714	insert (force);
		2715	}
		2716
		2717	void
		2718	object::play_sound (faceidx sound)
		2719	{
		2720	if (!sound)
		2721	return;
		2722
		2723	if (flag [FLAG_REMOVED])
		2724	return;
		2725
		2726	if (env)
2672	}	2727	{
		2728	if (object *pl = in_player ())
		2729	pl->contr->play_sound (sound);
		2730	}
		2731	else
		2732	map->play_sound (sound, x, y);
2673	}	2733	}
2674		2734
2675

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