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Comparing deliantra/server/common/object.C (file contents):
Revision 1.109 by root, Sun Jan 7 21:54:59 2007 UTC vs.
Revision 1.215 by root, Tue Apr 22 07:28:05 2008 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	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.	20	*
21		21	* The authors can be reached via e-mail to <support@deliantra.net>
22	The authors can be reached via e-mail at <crossfire@schmorp.de>
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 (!flag [FLAG_REMOVED])
		340	{
		341	// see if we are in a container of sorts
		342	if (env)
		343	{
		344	// the player inventory itself is always visible
		345	if (env->type == PLAYER)
		346	return env;
		347
		348	// else a player could have our env open
		349	object *envest = env->outer_env ();
		350
		351	// the player itself is always on a map, so we will find him here
		352	// even if our inv is in a player.
		353	if (envest->is_on_map ())
		354	if (object *pl = envest->ms ().player ())
		355	if (pl->container == env)
		356	return pl;
		357	}
		358	else
		359	{
		360	// maybe there is a player standing on the same mapspace
		361	// this will catch the case where "this" is a player
		362	if (object *pl = ms ().player ())
		363	return pl;
		364	}
		365	}
		366
		367	return 0;
		368	}
		369
		370	// adjust weight per container type ("of holding")
		371	static sint32
		372	weight_adjust (object *op, sint32 weight)
		373	{
		374	return op->type == CONTAINER
		375	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		376	: weight;
		377	}
		378
318	/*	379	/*
		380	* adjust_weight(object, weight) adds the specified weight to an object,
		381	* and also updates how much the environment(s) is/are carrying.
		382	*/
		383	static void
		384	adjust_weight (object *op, sint32 weight)
		385	{
		386	while (op)
		387	{
		388	weight = weight_adjust (op, weight);
		389
		390	if (!weight)
		391	return;
		392
		393	op->carrying += weight;
		394
		395	if (object *pl = op->visible_to ())
		396	if (pl != op) // player is handled lazily
		397	esrv_update_item (UPD_WEIGHT, pl, op);
		398
		399	op = op->env;
		400	}
		401	}
		402
		403	/*
319	* sum_weight() is a recursive function which calculates the weight	404	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	405	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	406	* containers are carrying, and sums it up.
322	*/	407	*/
323	long	408	void
324	sum_weight (object *op)	409	object::update_weight ()
325	{	410	{
326	long sum;	411	sint32 sum = 0;
327	object *inv;
328		412
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	413	for (object *op = inv; op; op = op->below)
330	{	414	{
331	if (inv->inv)	415	if (op->inv)
332	sum_weight (inv);	416	op->update_weight ();
333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	417
		418	sum += op->total_weight ();
		419	}
		420
		421	sum = weight_adjust (this, sum);
		422
		423	if (sum != carrying)
334	}	424	{
335
336	if (op->type == CONTAINER && op->stats.Str)
337	sum = (sum * (100 - op->stats.Str)) / 100;
338
339	if (op->carrying != sum)
340	op->carrying = sum;	425	carrying = sum;
341		426
342	return sum;	427	if (object *pl = visible_to ())
		428	if (pl != this) // player is handled lazily
		429	esrv_update_item (UPD_WEIGHT, pl, this);
		430	}
343	}	431	}
344		432
345	/**	433	/*
346	* Return the outermost environment object for a given object.	434	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/	435	*/
348
349	object *
350	object_get_env_recursive (object *op)
351	{
352	while (op->env != NULL)
353	op = op->env;
354	return op;
355	}
356
357	/*
358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
359	* Some error messages.
360	* The result of the dump is stored in the static global errmsg array.
361	*/
362
363	char *	436	char *
364	dump_object (object *op)	437	dump_object (object *op)
365	{	438	{
366	if (!op)	439	if (!op)
367	return strdup ("[NULLOBJ]");	440	return strdup ("[NULLOBJ]");
368		441
369	object_freezer freezer;	442	object_freezer freezer;
370	save_object (freezer, op, 1);	443	op->write (freezer);
371	return freezer.as_string ();	444	return freezer.as_string ();
372	}	445	}
373		446
374	/*	447	/*
375	* get_nearest_part(multi-object, object 2) returns the part of the	448	* get_nearest_part(multi-object, object 2) returns the part of the
376	* multi-object 1 which is closest to the second object.	449	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.	450	* If it's not a multi-object, it is returned.
378	*/	451	*/
379
380	object *	452	object *
381	get_nearest_part (object *op, const object *pl)	453	get_nearest_part (object *op, const object *pl)
382	{	454	{
383	object *tmp, *closest;	455	object *tmp, *closest;
384	int last_dist, i;	456	int last_dist, i;
385		457
386	if (op->more == NULL)	458	if (!op->more)
387	return op;	459	return op;
		460
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	461	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		462	tmp;
		463	tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)	464	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;	465	closest = tmp, last_dist = i;
		466
391	return closest;	467	return closest;
392	}	468	}
393		469
394	/*	470	/*
395	* Returns the object which has the count-variable equal to the argument.	471	* Returns the object which has the count-variable equal to the argument.
		472	* VERRRY slow.
396	*/	473	*/
397	object *	474	object *
398	find_object (tag_t i)	475	find_object (tag_t i)
399	{	476	{
400	return ((unsigned int)i) < objects.size ()	477	for_all_objects (op)
401	? objects [i]	478	if (op->count == i)
402	: 0;	479	return op;
		480
		481	return 0;
403	}	482	}
404		483
405	/*	484	/*
406	* Returns the first object which has a name equal to the argument.	485	* Returns the first object which has a name equal to the argument.
407	* Used only by the patch command, but not all that useful.	486	* Used only by the patch command, but not all that useful.
…		…
418	break;	497	break;
419		498
420	return op;	499	return op;
421	}	500	}
422		501
423	void
424	free_all_object_data ()
425	{
426	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
427	}
428
429	/*	502	/*
430	* Sets the owner and sets the skill and exp pointers to owner's current	503	* Sets the owner and sets the skill and exp pointers to owner's current
431	* skill and experience objects.	504	* skill and experience objects.
		505	* ACTUALLY NO! investigate! TODO
432	*/	506	*/
433	void	507	void
434	object::set_owner (object *owner)	508	object::set_owner (object *owner)
435	{	509	{
		510	// allow objects which own objects
436	if (!owner)	511	if (owner)
437	return;
438
439	/* next line added to allow objects which own objects */
440	/* Add a check for ownercounts in here, as I got into an endless loop
441	* with the fireball owning a poison cloud which then owned the
442	* fireball. I believe that was caused by one of the objects getting
443	* freed and then another object replacing it. Since the ownercounts
444	* didn't match, this check is valid and I believe that cause is valid.
445	*/
446	while (owner->owner)	512	while (owner->owner)
447	owner = owner->owner;	513	owner = owner->owner;
		514
		515	if (flag [FLAG_FREED])
		516	{
		517	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		518	return;
		519	}
448		520
449	this->owner = owner;	521	this->owner = owner;
		522	}
		523
		524	int
		525	object::slottype () const
		526	{
		527	if (type == SKILL)
		528	{
		529	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		530	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		531	}
		532	else
		533	{
		534	if (slot [body_combat].info) return slot_combat;
		535	if (slot [body_range ].info) return slot_ranged;
		536	}
		537
		538	return slot_none;
		539	}
		540
		541	bool
		542	object::change_weapon (object *ob)
		543	{
		544	if (current_weapon == ob)
		545	return true;
		546
		547	if (chosen_skill)
		548	chosen_skill->flag [FLAG_APPLIED] = false;
		549
		550	current_weapon = ob;
		551	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		552
		553	if (chosen_skill)
		554	chosen_skill->flag [FLAG_APPLIED] = true;
		555
		556	update_stats ();
		557
		558	if (ob)
		559	{
		560	// now check wether any body locations became invalid, in which case
		561	// we cannot apply the weapon at the moment.
		562	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		563	if (slot[i].used < 0)
		564	{
		565	current_weapon = chosen_skill = 0;
		566	update_stats ();
		567
		568	new_draw_info_format (NDI_UNIQUE, 0, this,
		569	"You try to balance all your items at once, "
		570	"but the %s is just too much for your body. "
		571	"[You need to unapply some items first.]", &ob->name);
		572	return false;
		573	}
		574
		575	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		576	}
		577	else
		578	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		579
		580	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		581	{
		582	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		583	&name, ob->debug_desc ());
		584	return false;
		585	}
		586
		587	return true;
450	}	588	}
451		589
452	/* Zero the key_values on op, decrementing the shared-string	590	/* Zero the key_values on op, decrementing the shared-string
453	* refcounts and freeing the links.	591	* refcounts and freeing the links.
454	*/	592	*/
455	static void	593	static void
456	free_key_values (object *op)	594	free_key_values (object *op)
457	{	595	{
458	for (key_value *i = op->key_values; i != 0;)	596	for (key_value *i = op->key_values; i; )
459	{	597	{
460	key_value *next = i->next;	598	key_value *next = i->next;
461	delete i;	599	delete i;
462		600
463	i = next;	601	i = next;
464	}	602	}
465		603
466	op->key_values = 0;	604	op->key_values = 0;
467	}	605	}
468		606
469	/*	607	object &
470	* copy_to first frees everything allocated by the dst object,	608	object::operator =(const object &src)
471	* and then copies the contents of itself into the second
472	* object, allocating what needs to be allocated. Basically, any
473	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
474	* if the first object is freed, the pointers in the new object
475	* will point at garbage.
476	*/
477	void
478	object::copy_to (object *dst)
479	{	609	{
480	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	610	bool is_freed = flag [FLAG_FREED];
481	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);	611	bool is_removed = flag [FLAG_REMOVED];
482		612
483	*(object_copy *)dst = *this;	613	*(object_copy *)this = src;
484		614
485	if (is_freed)	615	flag [FLAG_FREED] = is_freed;
486	SET_FLAG (dst, FLAG_FREED);	616	flag [FLAG_REMOVED] = is_removed;
487
488	if (is_removed)
489	SET_FLAG (dst, FLAG_REMOVED);
490
491	if (speed < 0)
492	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
493		617
494	/* Copy over key_values, if any. */	618	/* Copy over key_values, if any. */
495	if (key_values)	619	if (src.key_values)
496	{	620	{
497	key_value *tail = 0;	621	key_value *tail = 0;
498	key_value *i;
499
500	dst->key_values = 0;	622	key_values = 0;
501		623
502	for (i = key_values; i; i = i->next)	624	for (key_value *i = src.key_values; i; i = i->next)
503	{	625	{
504	key_value *new_link = new key_value;	626	key_value *new_link = new key_value;
505		627
506	new_link->next = 0;	628	new_link->next = 0;
507	new_link->key = i->key;	629	new_link->key = i->key;
508	new_link->value = i->value;	630	new_link->value = i->value;
509		631
510	/* Try and be clever here, too. */	632	/* Try and be clever here, too. */
511	if (!dst->key_values)	633	if (!key_values)
512	{	634	{
513	dst->key_values = new_link;	635	key_values = new_link;
514	tail = new_link;	636	tail = new_link;
515	}	637	}
516	else	638	else
517	{	639	{
518	tail->next = new_link;	640	tail->next = new_link;
519	tail = new_link;	641	tail = new_link;
520	}	642	}
521	}	643	}
522	}	644	}
		645	}
		646
		647	/*
		648	* copy_to first frees everything allocated by the dst object,
		649	* and then copies the contents of itself into the second
		650	* object, allocating what needs to be allocated. Basically, any
		651	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		652	* if the first object is freed, the pointers in the new object
		653	* will point at garbage.
		654	*/
		655	void
		656	object::copy_to (object *dst)
		657	{
		658	*dst = *this;
		659
		660	if (speed < 0)
		661	dst->speed_left -= rndm ();
523		662
524	dst->set_speed (dst->speed);	663	dst->set_speed (dst->speed);
		664	}
		665
		666	void
		667	object::instantiate ()
		668	{
		669	if (!uuid.seq) // HACK
		670	uuid = UUID::gen ();
		671
		672	speed_left = -0.1f;
		673	/* copy the body_info to the body_used - this is only really
		674	* need for monsters, but doesn't hurt to do it for everything.
		675	* by doing so, when a monster is created, it has good starting
		676	* values for the body_used info, so when items are created
		677	* for it, they can be properly equipped.
		678	*/
		679	for (int i = NUM_BODY_LOCATIONS; i--; )
		680	slot[i].used = slot[i].info;
		681
		682	attachable::instantiate ();
525	}	683	}
526		684
527	object *	685	object *
528	object::clone ()	686	object::clone ()
529	{	687	{
…		…
587	* UP_OBJ_FACE: only the objects face has changed.	745	* UP_OBJ_FACE: only the objects face has changed.
588	*/	746	*/
589	void	747	void
590	update_object (object *op, int action)	748	update_object (object *op, int action)
591	{	749	{
592	MoveType move_on, move_off, move_block, move_slow;
593
594	if (op == NULL)	750	if (op == NULL)
595	{	751	{
596	/* this should never happen */	752	/* this should never happen */
597	LOG (llevDebug, "update_object() called for NULL object.\n");	753	LOG (llevDebug, "update_object() called for NULL object.\n");
598	return;	754	return;
…		…
658		814
659	if (op->more)	815	if (op->more)
660	update_object (op->more, action);	816	update_object (op->more, action);
661	}	817	}
662		818
663	object *object::first;
664
665	object::object ()	819	object::object ()
666	{	820	{
667	SET_FLAG (this, FLAG_REMOVED);	821	SET_FLAG (this, FLAG_REMOVED);
668		822
669	expmul = 1.0;	823	expmul = 1.0;
670	face = blank_face;	824	face = blank_face;
671	}	825	}
672		826
673	object::~object ()	827	object::~object ()
674	{	828	{
		829	unlink ();
		830
675	free_key_values (this);	831	free_key_values (this);
676	}	832	}
677		833
		834	static int object_count;
		835
678	void object::link ()	836	void object::link ()
679	{	837	{
680	uuid = gen_uuid ();	838	assert (!index);//D
		839	uuid = UUID::gen ();
		840	count = ++object_count;
681		841
682	refcnt_inc ();	842	refcnt_inc ();
683	objects.insert (this);	843	objects.insert (this);
684	}	844	}
685		845
686	void object::unlink ()	846	void object::unlink ()
687	{	847	{
		848	if (!index)
		849	return;
		850
688	objects.erase (this);	851	objects.erase (this);
689	refcnt_dec ();	852	refcnt_dec ();
690	}	853	}
691		854
692	void	855	void
…		…
765	* if some form of movement is allowed, let objects	928	* if some form of movement is allowed, let objects
766	* drop on that space.	929	* drop on that space.
767	*/	930	*/
768	if (!drop_to_ground	931	if (!drop_to_ground
769	|| !map	932	|| !map
770	|| map->in_memory != MAP_IN_MEMORY	933	|| map->in_memory != MAP_ACTIVE
		934	|| map->nodrop
771	|| ms ().move_block == MOVE_ALL)	935	|| ms ().move_block == MOVE_ALL)
772	{	936	{
773	while (inv)	937	while (inv)
774	{	938	{
775	inv->destroy_inv (drop_to_ground);	939	inv->destroy_inv (drop_to_ground);
…		…
784		948
785	if (op->flag [FLAG_STARTEQUIP]	949	if (op->flag [FLAG_STARTEQUIP]
786	|| op->flag [FLAG_NO_DROP]	950	|| op->flag [FLAG_NO_DROP]
787	|| op->type == RUNE	951	|| op->type == RUNE
788	|| op->type == TRAP	952	|| op->type == TRAP
789	|| op->flag [FLAG_IS_A_TEMPLATE])	953	|| op->flag [FLAG_IS_A_TEMPLATE]
		954	|| op->flag [FLAG_DESTROY_ON_DEATH])
790	op->destroy ();	955	op->destroy ();
791	else	956	else
792	map->insert (op, x, y);	957	map->insert (op, x, y);
793	}	958	}
794	}	959	}
…		…
808	remove_button_link (this);	973	remove_button_link (this);
809		974
810	if (flag [FLAG_FRIENDLY])	975	if (flag [FLAG_FRIENDLY])
811	remove_friendly_object (this);	976	remove_friendly_object (this);
812		977
813	if (!flag [FLAG_REMOVED])
814	remove ();	978	remove ();
815		979
816	if (flag [FLAG_FREED])	980	attachable::do_destroy ();
817	return;
818		981
819	set_speed (0);	982	destroy_inv (true);
		983
		984	deactivate ();
		985	unlink ();
820		986
821	flag [FLAG_FREED] = 1;	987	flag [FLAG_FREED] = 1;
822
823	attachable::do_destroy ();
824
825	destroy_inv (true);
826	unlink ();
827		988
828	// hack to ensure that freed objects still have a valid map	989	// hack to ensure that freed objects still have a valid map
829	{	990	{
830	static maptile *freed_map; // freed objects are moved here to avoid crashes	991	static maptile *freed_map; // freed objects are moved here to avoid crashes
831		992
832	if (!freed_map)	993	if (!freed_map)
833	{	994	{
834	freed_map = new maptile;	995	freed_map = new maptile;
835		996
		997	freed_map->path = "<freed objects map>";
836	freed_map->name = "/internal/freed_objects_map";	998	freed_map->name = "/internal/freed_objects_map";
837	freed_map->width = 3;	999	freed_map->width = 3;
838	freed_map->height = 3;	1000	freed_map->height = 3;
		1001	freed_map->nodrop = 1;
839		1002
840	freed_map->alloc ();	1003	freed_map->alloc ();
841	freed_map->in_memory = MAP_IN_MEMORY;	1004	freed_map->in_memory = MAP_ACTIVE;
842	}	1005	}
843		1006
844	map = freed_map;	1007	map = freed_map;
845	x = 1;	1008	x = 1;
846	y = 1;	1009	y = 1;
847	}	1010	}
848		1011
849	head = 0;
850
851	if (more)	1012	if (more)
852	{	1013	{
853	more->destroy ();	1014	more->destroy ();
854	more = 0;	1015	more = 0;
855	}	1016	}
856		1017
		1018	head = 0;
		1019
857	// clear those pointers that likely might have circular references to us	1020	// clear those pointers that likely might cause circular references
858	owner = 0;	1021	owner = 0;
859	enemy = 0;	1022	enemy = 0;
860	attacked_by = 0;	1023	attacked_by = 0;
		1024	current_weapon = 0;
861	}	1025	}
862		1026
863	void	1027	void
864	object::destroy (bool destroy_inventory)	1028	object::destroy (bool destroy_inventory)
865	{	1029	{
…		…
867	return;	1031	return;
868		1032
869	if (destroy_inventory)	1033	if (destroy_inventory)
870	destroy_inv (false);	1034	destroy_inv (false);
871		1035
		1036	if (is_head ())
		1037	if (sound_destroy)
		1038	play_sound (sound_destroy);
		1039	else if (flag [FLAG_MONSTER])
		1040	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
		1041
872	attachable::destroy ();	1042	attachable::destroy ();
873	}
874
875	/*
876	* sub_weight() recursively (outwards) subtracts a number from the
877	* weight of an object (and what is carried by it's environment(s)).
878	*/
879	void
880	sub_weight (object *op, signed long weight)
881	{
882	while (op != NULL)
883	{
884	if (op->type == CONTAINER)
885	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
886
887	op->carrying -= weight;
888	op = op->env;
889	}
890	}	1043	}
891		1044
892	/* op->remove ():	1045	/* op->remove ():
893	* This function removes the object op from the linked list of objects	1046	* This function removes the object op from the linked list of objects
894	* which it is currently tied to. When this function is done, the	1047	* which it is currently tied to. When this function is done, the
895	* object will have no environment. If the object previously had an	1048	* object will have no environment. If the object previously had an
896	* environment, the x and y coordinates will be updated to	1049	* environment, the x and y coordinates will be updated to
897	* the previous environment.	1050	* the previous environment.
898	* Beware: This function is called from the editor as well!
899	*/	1051	*/
900	void	1052	void
901	object::remove ()	1053	object::do_remove ()
902	{	1054	{
903	object *tmp, *last = 0;	1055	object *tmp, *last = 0;
904	object *otmp;	1056	object *otmp;
905		1057
906	if (QUERY_FLAG (this, FLAG_REMOVED))	1058	if (flag [FLAG_REMOVED])
907	return;	1059	return;
908		1060
909	SET_FLAG (this, FLAG_REMOVED);
910	INVOKE_OBJECT (REMOVE, this);	1061	INVOKE_OBJECT (REMOVE, this);
		1062
		1063	if (object *pl = visible_to ())
		1064	esrv_del_item (pl->contr, count);
		1065
		1066	flag [FLAG_REMOVED] = true;
911		1067
912	if (more)	1068	if (more)
913	more->remove ();	1069	more->remove ();
914		1070
915	/*	1071	/*
916	* In this case, the object to be removed is in someones	1072	* In this case, the object to be removed is in someones
917	* inventory.	1073	* inventory.
918	*/	1074	*/
919	if (env)	1075	if (env)
920	{	1076	{
		1077	adjust_weight (env, -total_weight ());
		1078
		1079	*(above ? &above->below : &env->inv) = below;
		1080
921	if (nrof)	1081	if (below)
922	sub_weight (env, weight * nrof);	1082	below->above = above;
923	else	1083
924	sub_weight (env, weight + carrying);	1084	/* we set up values so that it could be inserted into
		1085	* the map, but we don't actually do that - it is up
		1086	* to the caller to decide what we want to do.
		1087	*/
		1088	map = env->map;
		1089	x = env->x;
		1090	y = env->y;
		1091	above = 0;
		1092	below = 0;
		1093	env = 0;
925		1094
926	/* NO_FIX_PLAYER is set when a great many changes are being	1095	/* NO_FIX_PLAYER is set when a great many changes are being
927	* made to players inventory. If set, avoiding the call	1096	* made to players inventory. If set, avoiding the call
928	* to save cpu time.	1097	* to save cpu time.
929	*/	1098	*/
930	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1099	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
931	otmp->update_stats ();	1100	otmp->update_stats ();
932
933	if (above)
934	above->below = below;
935	else
936	env->inv = below;
937
938	if (below)
939	below->above = above;
940
941	/* we set up values so that it could be inserted into
942	* the map, but we don't actually do that - it is up
943	* to the caller to decide what we want to do.
944	*/
945	x = env->x, y = env->y;
946	map = env->map;
947	above = 0, below = 0;
948	env = 0;
949	}	1101	}
950	else if (map)	1102	else if (map)
951	{	1103	{
952	if (type == PLAYER)	1104	if (type == PLAYER)
953	{	1105	{
		1106	// leaving a spot always closes any open container on the ground
		1107	if (container && !container->env)
		1108	// this causes spurious floorbox updates, but it ensures
		1109	// that the CLOSE event is being sent.
		1110	close_container ();
		1111
954	--map->players;	1112	--map->players;
955	map->touch ();	1113	map->touch ();
956	}	1114	}
957		1115
958	map->dirty = true;	1116	map->dirty = true;
		1117	mapspace &ms = this->ms ();
959		1118
960	/* link the object above us */	1119	/* link the object above us */
961	if (above)	1120	if (above)
962	above->below = below;	1121	above->below = below;
963	else	1122	else
964	map->at (x, y).top = below; /* we were top, set new top */	1123	ms.top = below; /* we were top, set new top */
965		1124
966	/* Relink the object below us, if there is one */	1125	/* Relink the object below us, if there is one */
967	if (below)	1126	if (below)
968	below->above = above;	1127	below->above = above;
969	else	1128	else
…		…
971	/* Nothing below, which means we need to relink map object for this space	1130	/* Nothing below, which means we need to relink map object for this space
972	* use translated coordinates in case some oddness with map tiling is	1131	* use translated coordinates in case some oddness with map tiling is
973	* evident	1132	* evident
974	*/	1133	*/
975	if (GET_MAP_OB (map, x, y) != this)	1134	if (GET_MAP_OB (map, x, y) != this)
976	{
977	char *dump = dump_object (this);
978	LOG (llevError,
979	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);	1135	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
980	free (dump);
981	dump = dump_object (GET_MAP_OB (map, x, y));
982	LOG (llevError, "%s\n", dump);
983	free (dump);
984	}
985		1136
986	map->at (x, y).bot = above; /* goes on above it. */	1137	ms.bot = above; /* goes on above it. */
987	}	1138	}
988		1139
989	above = 0;	1140	above = 0;
990	below = 0;	1141	below = 0;
991		1142
992	if (map->in_memory == MAP_SAVING)	1143	if (map->in_memory == MAP_SAVING)
993	return;	1144	return;
994		1145
995	int check_walk_off = !flag [FLAG_NO_APPLY];	1146	int check_walk_off = !flag [FLAG_NO_APPLY];
996		1147
		1148	if (object *pl = ms.player ())
		1149	{
		1150	if (pl->container == this)
		1151	/* If a container that the player is currently using somehow gets
		1152	* removed (most likely destroyed), update the player view
		1153	* appropriately.
		1154	*/
		1155	pl->close_container ();
		1156
		1157	pl->contr->ns->floorbox_update ();
		1158	}
		1159
997	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1160	for (tmp = ms.bot; tmp; tmp = tmp->above)
998	{	1161	{
999	/* No point updating the players look faces if he is the object	1162	/* No point updating the players look faces if he is the object
1000	* being removed.	1163	* being removed.
1001	*/	1164	*/
1002
1003	if (tmp->type == PLAYER && tmp != this)
1004	{
1005	/* If a container that the player is currently using somehow gets
1006	* removed (most likely destroyed), update the player view
1007	* appropriately.
1008	*/
1009	if (tmp->container == this)
1010	{
1011	flag [FLAG_APPLIED] = 0;
1012	tmp->container = 0;
1013	}
1014
1015	if (tmp->contr->ns)
1016	tmp->contr->ns->floorbox_update ();
1017	}
1018		1165
1019	/* See if object moving off should effect something */	1166	/* See if object moving off should effect something */
1020	if (check_walk_off	1167	if (check_walk_off
1021	&& ((move_type & tmp->move_off)	1168	&& ((move_type & tmp->move_off)
1022	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1169	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1025		1172
1026	if (destroyed ())	1173	if (destroyed ())
1027	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1174	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1028	}	1175	}
1029		1176
1030	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1031	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1032	if (tmp->above == tmp)
1033	tmp->above = 0;
1034
1035	last = tmp;	1177	last = tmp;
1036	}	1178	}
1037		1179
1038	/* last == NULL if there are no objects on this space */	1180	/* last == NULL if there are no objects on this space */
1039	//TODO: this makes little sense, why only update the topmost object?	1181	//TODO: this makes little sense, why only update the topmost object?
…		…
1059	merge_ob (object *op, object *top)	1201	merge_ob (object *op, object *top)
1060	{	1202	{
1061	if (!op->nrof)	1203	if (!op->nrof)
1062	return 0;	1204	return 0;
1063		1205
1064	if (top)	1206	if (!top)
1065	for (top = op; top && top->above; top = top->above)	1207	for (top = op; top && top->above; top = top->above)
1066	;	1208	;
1067		1209
1068	for (; top; top = top->below)	1210	for (; top; top = top->below)
1069	{
1070	if (top == op)
1071	continue;
1072
1073	if (object::can_merge (op, top))	1211	if (object::can_merge (op, top))
1074	{	1212	{
1075	top->nrof += op->nrof;	1213	top->nrof += op->nrof;
1076		1214
1077	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1215	if (object *pl = top->visible_to ())
1078	op->weight = 0; /* Don't want any adjustements now */	1216	esrv_update_item (UPD_NROF, pl, top);
		1217
		1218	op->weight = 0; // cancel the addition above
		1219	op->carrying = 0; // must be 0 already
		1220
1079	op->destroy ();	1221	op->destroy (1);
		1222
1080	return top;	1223	return top;
1081	}	1224	}
1082	}
1083		1225
1084	return 0;	1226	return 0;
1085	}	1227	}
1086		1228
		1229	void
		1230	object::expand_tail ()
		1231	{
		1232	if (more)
		1233	return;
		1234
		1235	object *prev = this;
		1236
		1237	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1238	{
		1239	object *op = arch_to_object (at);
		1240
		1241	op->name = name;
		1242	op->name_pl = name_pl;
		1243	op->title = title;
		1244
		1245	op->head = this;
		1246	prev->more = op;
		1247
		1248	prev = op;
		1249	}
		1250	}
		1251
1087	/*	1252	/*
1088	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1253	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1089	* job preparing multi-part monsters	1254	* job preparing multi-part monsters.
1090	*/	1255	*/
1091	object *	1256	object *
1092	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1257	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1093	{	1258	{
1094	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1259	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1095	{	1260	{
1096	tmp->x = x + tmp->arch->clone.x;	1261	tmp->x = x + tmp->arch->x;
1097	tmp->y = y + tmp->arch->clone.y;	1262	tmp->y = y + tmp->arch->y;
1098	}	1263	}
1099		1264
1100	return insert_ob_in_map (op, m, originator, flag);	1265	return insert_ob_in_map (op, m, originator, flag);
1101	}	1266	}
1102		1267
…		…
1121	* just 'op' otherwise	1286	* just 'op' otherwise
1122	*/	1287	*/
1123	object *	1288	object *
1124	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1289	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1125	{	1290	{
		1291	assert (!op->flag [FLAG_FREED]);
		1292
1126	object *tmp, *top, *floor = NULL;	1293	object *top, *floor = NULL;
1127	sint16 x, y;
1128		1294
1129	if (QUERY_FLAG (op, FLAG_FREED))	1295	op->remove ();
1130	{
1131	LOG (llevError, "Trying to insert freed object!\n");
1132	return NULL;
1133	}
1134
1135	if (!m)
1136	{
1137	char *dump = dump_object (op);
1138	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1139	free (dump);
1140	return op;
1141	}
1142
1143	if (out_of_map (m, op->x, op->y))
1144	{
1145	char *dump = dump_object (op);
1146	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1147	#ifdef MANY_CORES
1148	/* Better to catch this here, as otherwise the next use of this object
1149	* is likely to cause a crash. Better to find out where it is getting
1150	* improperly inserted.
1151	*/
1152	abort ();
1153	#endif
1154	free (dump);
1155	return op;
1156	}
1157
1158	if (!QUERY_FLAG (op, FLAG_REMOVED))
1159	{
1160	char *dump = dump_object (op);
1161	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1162	free (dump);
1163	return op;
1164	}
1165
1166	if (op->more)
1167	{
1168	/* The part may be on a different map. */
1169
1170	object *more = op->more;
1171
1172	/* We really need the caller to normalise coordinates - if
1173	* we set the map, that doesn't work if the location is within
1174	* a map and this is straddling an edge. So only if coordinate
1175	* is clear wrong do we normalise it.
1176	*/
1177	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1178	more->map = get_map_from_coord (m, &more->x, &more->y);
1179	else if (!more->map)
1180	{
1181	/* For backwards compatibility - when not dealing with tiled maps,
1182	* more->map should always point to the parent.
1183	*/
1184	more->map = m;
1185	}
1186
1187	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1188	{
1189	if (!op->head)
1190	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1191
1192	return 0;
1193	}
1194	}
1195
1196	CLEAR_FLAG (op, FLAG_REMOVED);
1197		1296
1198	/* Ideally, the caller figures this out. However, it complicates a lot	1297	/* Ideally, the caller figures this out. However, it complicates a lot
1199	* of areas of callers (eg, anything that uses find_free_spot would now	1298	* of areas of callers (eg, anything that uses find_free_spot would now
1200	* need extra work	1299	* need extra work
1201	*/	1300	*/
1202	op->map = get_map_from_coord (m, &op->x, &op->y);	1301	if (!xy_normalise (m, op->x, op->y))
1203	x = op->x;	1302	{
1204	y = op->y;	1303	op->destroy ();
		1304	return 0;
		1305	}
		1306
		1307	if (object *more = op->more)
		1308	if (!insert_ob_in_map (more, m, originator, flag))
		1309	return 0;
		1310
		1311	CLEAR_FLAG (op, FLAG_REMOVED);
		1312
		1313	op->map = m;
		1314	mapspace &ms = op->ms ();
1205		1315
1206	/* this has to be done after we translate the coordinates.	1316	/* this has to be done after we translate the coordinates.
1207	*/	1317	*/
1208	if (op->nrof && !(flag & INS_NO_MERGE))	1318	if (op->nrof && !(flag & INS_NO_MERGE))
1209	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)	1319	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1210	if (object::can_merge (op, tmp))	1320	if (object::can_merge (op, tmp))
1211	{	1321	{
1212	op->nrof += tmp->nrof;	1322	op->nrof += tmp->nrof;
1213	tmp->destroy ();	1323	tmp->destroy (1);
1214	}	1324	}
1215		1325
1216	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1326	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1217	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1327	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1218		1328
…		…
1231	op->below = originator->below;	1341	op->below = originator->below;
1232		1342
1233	if (op->below)	1343	if (op->below)
1234	op->below->above = op;	1344	op->below->above = op;
1235	else	1345	else
1236	op->ms ().bot = op;	1346	ms.bot = op;
1237		1347
1238	/* since *below* originator, no need to update top */	1348	/* since *below* originator, no need to update top */
1239	originator->below = op;	1349	originator->below = op;
1240	}	1350	}
1241	else	1351	else
1242	{	1352	{
		1353	top = ms.bot;
		1354
1243	/* If there are other objects, then */	1355	/* If there are other objects, then */
1244	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1356	if (top)
1245	{	1357	{
1246	object *last = 0;	1358	object *last = 0;
1247		1359
1248	/*	1360	/*
1249	* If there are multiple objects on this space, we do some trickier handling.	1361	* If there are multiple objects on this space, we do some trickier handling.
…		…
1255	* once we get to them. This reduces the need to traverse over all of	1367	* once we get to them. This reduces the need to traverse over all of
1256	* them when adding another one - this saves quite a bit of cpu time	1368	* them when adding another one - this saves quite a bit of cpu time
1257	* when lots of spells are cast in one area. Currently, it is presumed	1369	* when lots of spells are cast in one area. Currently, it is presumed
1258	* that flying non pickable objects are spell objects.	1370	* that flying non pickable objects are spell objects.
1259	*/	1371	*/
1260	while (top)	1372	for (top = ms.bot; top; top = top->above)
1261	{	1373	{
1262	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1374	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1263	floor = top;	1375	floor = top;
1264		1376
1265	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1377	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1268	top = top->below;	1380	top = top->below;
1269	break;	1381	break;
1270	}	1382	}
1271		1383
1272	last = top;	1384	last = top;
1273	top = top->above;
1274	}	1385	}
1275		1386
1276	/* Don't want top to be NULL, so set it to the last valid object */	1387	/* Don't want top to be NULL, so set it to the last valid object */
1277	top = last;	1388	top = last;
1278		1389
…		…
1280	* looks like instead of lots of conditions here.	1391	* looks like instead of lots of conditions here.
1281	* makes things faster, and effectively the same result.	1392	* makes things faster, and effectively the same result.
1282	*/	1393	*/
1283		1394
1284	/* Have object 'fall below' other objects that block view.	1395	/* Have object 'fall below' other objects that block view.
1285	* Unless those objects are exits, type 66	1396	* Unless those objects are exits.
1286	* If INS_ON_TOP is used, don't do this processing	1397	* If INS_ON_TOP is used, don't do this processing
1287	* Need to find the object that in fact blocks view, otherwise	1398	* Need to find the object that in fact blocks view, otherwise
1288	* stacking is a bit odd.	1399	* stacking is a bit odd.
1289	*/	1400	*/
1290	if (!(flag & INS_ON_TOP) &&	1401	if (!(flag & INS_ON_TOP)
1291	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1402	&& ms.flags () & P_BLOCKSVIEW
		1403	&& (op->face && !faces [op->face].visibility))
1292	{	1404	{
1293	for (last = top; last != floor; last = last->below)	1405	for (last = top; last != floor; last = last->below)
1294	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1406	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1295	break;	1407	break;
		1408
1296	/* Check to see if we found the object that blocks view,	1409	/* Check to see if we found the object that blocks view,
1297	* and make sure we have a below pointer for it so that	1410	* and make sure we have a below pointer for it so that
1298	* we can get inserted below this one, which requires we	1411	* we can get inserted below this one, which requires we
1299	* set top to the object below us.	1412	* set top to the object below us.
1300	*/	1413	*/
1301	if (last && last->below && last != floor)	1414	if (last && last->below && last != floor)
1302	top = last->below;	1415	top = last->below;
1303	}	1416	}
1304	} /* If objects on this space */	1417	} /* If objects on this space */
1305		1418
1306	if (flag & INS_MAP_LOAD)
1307	top = GET_MAP_TOP (op->map, op->x, op->y);
1308
1309	if (flag & INS_ABOVE_FLOOR_ONLY)	1419	if (flag & INS_ABOVE_FLOOR_ONLY)
1310	top = floor;	1420	top = floor;
1311		1421
1312	/* Top is the object that our object (op) is going to get inserted above.	1422	/* Top is the object that our object (op) is going to get inserted above.
1313	*/	1423	*/
1314		1424
1315	/* First object on this space */	1425	/* First object on this space */
1316	if (!top)	1426	if (!top)
1317	{	1427	{
1318	op->above = GET_MAP_OB (op->map, op->x, op->y);	1428	op->above = ms.bot;
1319		1429
1320	if (op->above)	1430	if (op->above)
1321	op->above->below = op;	1431	op->above->below = op;
1322		1432
1323	op->below = 0;	1433	op->below = 0;
1324	op->ms ().bot = op;	1434	ms.bot = op;
1325	}	1435	}
1326	else	1436	else
1327	{ /* get inserted into the stack above top */	1437	{ /* get inserted into the stack above top */
1328	op->above = top->above;	1438	op->above = top->above;
1329		1439
…		…
1333	op->below = top;	1443	op->below = top;
1334	top->above = op;	1444	top->above = op;
1335	}	1445	}
1336		1446
1337	if (!op->above)	1447	if (!op->above)
1338	op->ms ().top = op;	1448	ms.top = op;
1339	} /* else not INS_BELOW_ORIGINATOR */	1449	} /* else not INS_BELOW_ORIGINATOR */
1340		1450
1341	if (op->type == PLAYER)	1451	if (op->type == PLAYER)
1342	{	1452	{
1343	op->contr->do_los = 1;	1453	op->contr->do_los = 1;
…		…
1345	op->map->touch ();	1455	op->map->touch ();
1346	}	1456	}
1347		1457
1348	op->map->dirty = true;	1458	op->map->dirty = true;
1349		1459
1350	/* If we have a floor, we know the player, if any, will be above
1351	* it, so save a few ticks and start from there.
1352	*/
1353	if (!(flag & INS_MAP_LOAD))
1354	if (object *pl = op->ms ().player ())	1460	if (object *pl = ms.player ())
1355	if (pl->contr->ns)
1356	pl->contr->ns->floorbox_update ();	1461	pl->contr->ns->floorbox_update ();
1357		1462
1358	/* If this object glows, it may affect lighting conditions that are	1463	/* If this object glows, it may affect lighting conditions that are
1359	* visible to others on this map. But update_all_los is really	1464	* visible to others on this map. But update_all_los is really
1360	* an inefficient way to do this, as it means los for all players	1465	* an inefficient way to do this, as it means los for all players
1361	* on the map will get recalculated. The players could very well	1466	* on the map will get recalculated. The players could very well
…		…
1380	* blocked() and wall() work properly), and these flags are updated by	1485	* blocked() and wall() work properly), and these flags are updated by
1381	* update_object().	1486	* update_object().
1382	*/	1487	*/
1383		1488
1384	/* if this is not the head or flag has been passed, don't check walk on status */	1489	/* if this is not the head or flag has been passed, don't check walk on status */
1385	if (!(flag & INS_NO_WALK_ON) && !op->head)	1490	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1386	{	1491	{
1387	if (check_move_on (op, originator))	1492	if (check_move_on (op, originator))
1388	return 0;	1493	return 0;
1389		1494
1390	/* If we are a multi part object, lets work our way through the check	1495	/* If we are a multi part object, lets work our way through the check
1391	* walk on's.	1496	* walk on's.
1392	*/	1497	*/
1393	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1498	for (object *tmp = op->more; tmp; tmp = tmp->more)
1394	if (check_move_on (tmp, originator))	1499	if (check_move_on (tmp, originator))
1395	return 0;	1500	return 0;
1396	}	1501	}
1397		1502
1398	return op;	1503	return op;
…		…
1403	* op is the object to insert it under: supplies x and the map.	1508	* op is the object to insert it under: supplies x and the map.
1404	*/	1509	*/
1405	void	1510	void
1406	replace_insert_ob_in_map (const char *arch_string, object *op)	1511	replace_insert_ob_in_map (const char *arch_string, object *op)
1407	{	1512	{
1408	object *tmp, *tmp1;
1409
1410	/* first search for itself and remove any old instances */	1513	/* first search for itself and remove any old instances */
1411		1514
1412	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1515	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1413	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1516	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1414	tmp->destroy ();	1517	tmp->destroy (1);
1415		1518
1416	tmp1 = arch_to_object (archetype::find (arch_string));	1519	object *tmp = arch_to_object (archetype::find (arch_string));
1417		1520
1418	tmp1->x = op->x;	1521	tmp->x = op->x;
1419	tmp1->y = op->y;	1522	tmp->y = op->y;
		1523
1420	insert_ob_in_map (tmp1, op->map, op, 0);	1524	insert_ob_in_map (tmp, op->map, op, 0);
1421	}	1525	}
1422		1526
1423	object *	1527	object *
1424	object::insert_at (object *where, object *originator, int flags)	1528	object::insert_at (object *where, object *originator, int flags)
1425	{	1529	{
		1530	if (where->env)
		1531	return where->env->insert (this);
		1532	else
1426	where->map->insert (this, where->x, where->y, originator, flags);	1533	return where->map->insert (this, where->x, where->y, originator, flags);
1427	}	1534	}
1428		1535
1429	/*	1536	/*
1430	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1431	* is returned contains nr objects, and the remaining parts contains
1432	* the rest (or is removed and freed if that number is 0).
1433	* On failure, NULL is returned, and the reason put into the
1434	* global static errmsg array.
1435	*/
1436	object *
1437	get_split_ob (object *orig_ob, uint32 nr)
1438	{
1439	object *newob;
1440	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1441
1442	if (orig_ob->nrof < nr)
1443	{
1444	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1445	return NULL;
1446	}
1447
1448	newob = object_create_clone (orig_ob);
1449
1450	if ((orig_ob->nrof -= nr) < 1)
1451	orig_ob->destroy (1);
1452	else if (!is_removed)
1453	{
1454	if (orig_ob->env != NULL)
1455	sub_weight (orig_ob->env, orig_ob->weight * nr);
1456	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1457	{
1458	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1459	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1460	return NULL;
1461	}
1462	}
1463
1464	newob->nrof = nr;
1465
1466	return newob;
1467	}
1468
1469	/*
1470	* decrease_ob_nr(object, number) decreases a specified number from	1537	* decrease(object, number) decreases a specified number from
1471	* the amount of an object. If the amount reaches 0, the object	1538	* the amount of an object. If the amount reaches 0, the object
1472	* is subsequently removed and freed.	1539	* is subsequently removed and freed.
1473	*	1540	*
1474	* Return value: 'op' if something is left, NULL if the amount reached 0	1541	* Return value: 'op' if something is left, NULL if the amount reached 0
1475	*/	1542	*/
		1543	bool
		1544	object::decrease (sint32 nr)
		1545	{
		1546	if (!nr)
		1547	return true;
1476		1548
		1549	nr = min (nr, nrof);
		1550
		1551	nrof -= nr;
		1552
		1553	if (nrof)
		1554	{
		1555	adjust_weight (env, -weight * nr); // carrying == 0
		1556
		1557	if (object *pl = visible_to ())
		1558	esrv_update_item (UPD_NROF, pl, this);
		1559
		1560	return true;
		1561	}
		1562	else
		1563	{
		1564	destroy (1);
		1565	return false;
		1566	}
		1567	}
		1568
		1569	/*
		1570	* split(ob,nr) splits up ob into two parts. The part which
		1571	* is returned contains nr objects, and the remaining parts contains
		1572	* the rest (or is removed and returned if that number is 0).
		1573	* On failure, NULL is returned.
		1574	*/
1477	object *	1575	object *
1478	decrease_ob_nr (object *op, uint32 i)	1576	object::split (sint32 nr)
1479	{	1577	{
1480	object *tmp;	1578	int have = number_of ();
1481		1579
1482	if (i == 0) /* objects with op->nrof require this check */	1580	if (have < nr)
1483	return op;	1581	return 0;
1484		1582	else if (have == nr)
1485	if (i > op->nrof)
1486	i = op->nrof;
1487
1488	if (QUERY_FLAG (op, FLAG_REMOVED))
1489	op->nrof -= i;
1490	else if (op->env)
1491	{	1583	{
1492	/* is this object in the players inventory, or sub container
1493	* therein?
1494	*/
1495	tmp = op->in_player ();
1496	/* nope. Is this a container the player has opened?
1497	* If so, set tmp to that player.
1498	* IMO, searching through all the players will mostly
1499	* likely be quicker than following op->env to the map,
1500	* and then searching the map for a player.
1501	*/
1502	if (!tmp)
1503	for_all_players (pl)
1504	if (pl->ob->container == op->env)
1505	{
1506	tmp = pl->ob;
1507	break;
1508	}
1509
1510	if (i < op->nrof)
1511	{
1512	sub_weight (op->env, op->weight * i);
1513	op->nrof -= i;
1514	if (tmp)
1515	esrv_send_item (tmp, op);
1516	}
1517	else
1518	{
1519	op->remove ();	1584	remove ();
1520	op->nrof = 0;	1585	return this;
1521	if (tmp)
1522	esrv_del_item (tmp->contr, op->count);
1523	}
1524	}	1586	}
1525	else	1587	else
1526	{	1588	{
1527	object *above = op->above;	1589	decrease (nr);
1528		1590
1529	if (i < op->nrof)	1591	object *op = object_create_clone (this);
1530	op->nrof -= i;	1592	op->nrof = nr;
1531	else
1532	{
1533	op->remove ();
1534	op->nrof = 0;
1535	}
1536
1537	/* Since we just removed op, op->above is null */
1538	for (tmp = above; tmp; tmp = tmp->above)
1539	if (tmp->type == PLAYER)
1540	{
1541	if (op->nrof)
1542	esrv_send_item (tmp, op);
1543	else
1544	esrv_del_item (tmp->contr, op->count);
1545	}
1546	}
1547
1548	if (op->nrof)
1549	return op;	1593	return op;
1550	else
1551	{
1552	op->destroy ();
1553	return 0;
1554	}
1555	}
1556
1557	/*
1558	* add_weight(object, weight) adds the specified weight to an object,
1559	* and also updates how much the environment(s) is/are carrying.
1560	*/
1561
1562	void
1563	add_weight (object *op, signed long weight)
1564	{
1565	while (op != NULL)
1566	{
1567	if (op->type == CONTAINER)
1568	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1569
1570	op->carrying += weight;
1571	op = op->env;
1572	}	1594	}
1573	}	1595	}
1574		1596
1575	object *	1597	object *
1576	insert_ob_in_ob (object *op, object *where)	1598	insert_ob_in_ob (object *op, object *where)
…		…
1581	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1603	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1582	free (dump);	1604	free (dump);
1583	return op;	1605	return op;
1584	}	1606	}
1585		1607
1586	if (where->head)	1608	if (where->head_ () != where)
1587	{	1609	{
1588	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1610	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1589	where = where->head;	1611	where = where->head;
1590	}	1612	}
1591		1613
1592	return where->insert (op);	1614	return where->insert (op);
1593	}	1615	}
…		…
1598	* inside the object environment.	1620	* inside the object environment.
1599	*	1621	*
1600	* The function returns now pointer to inserted item, and return value can	1622	* The function returns now pointer to inserted item, and return value can
1601	* be != op, if items are merged. -Tero	1623	* be != op, if items are merged. -Tero
1602	*/	1624	*/
1603
1604	object *	1625	object *
1605	object::insert (object *op)	1626	object::insert (object *op)
1606	{	1627	{
1607	object *tmp, *otmp;
1608
1609	if (!QUERY_FLAG (op, FLAG_REMOVED))
1610	op->remove ();
1611
1612	if (op->more)	1628	if (op->more)
1613	{	1629	{
1614	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1630	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1615	return op;	1631	return op;
1616	}	1632	}
1617		1633
1618	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1634	op->remove ();
1619	CLEAR_FLAG (op, FLAG_REMOVED);	1635
		1636	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1637
1620	if (op->nrof)	1638	if (op->nrof)
1621	{
1622	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1639	for (object *tmp = inv; tmp; tmp = tmp->below)
1623	if (object::can_merge (tmp, op))	1640	if (object::can_merge (tmp, op))
1624	{	1641	{
1625	/* return the original object and remove inserted object	1642	/* return the original object and remove inserted object
1626	(client needs the original object) */	1643	(client needs the original object) */
1627	tmp->nrof += op->nrof;	1644	tmp->nrof += op->nrof;
1628	/* Weight handling gets pretty funky. Since we are adding to	1645
1629	* tmp->nrof, we need to increase the weight.	1646	if (object *pl = tmp->visible_to ())
1630	*/	1647	esrv_update_item (UPD_NROF, pl, tmp);
		1648
1631	add_weight (this, op->weight * op->nrof);	1649	adjust_weight (this, op->total_weight ());
1632	SET_FLAG (op, FLAG_REMOVED);	1650
1633	op->destroy (); /* free the inserted object */	1651	op->destroy (1);
1634	op = tmp;	1652	op = tmp;
1635	op->remove (); /* and fix old object's links */	1653	goto inserted;
1636	CLEAR_FLAG (op, FLAG_REMOVED);
1637	break;
1638	}	1654	}
1639		1655
1640	/* I assume combined objects have no inventory	1656	op->owner = 0; // it's his/hers now. period.
1641	* We add the weight - this object could have just been removed
1642	* (if it was possible to merge). calling remove_ob will subtract
1643	* the weight, so we need to add it in again, since we actually do
1644	* the linking below
1645	*/
1646	add_weight (this, op->weight * op->nrof);
1647	}
1648	else
1649	add_weight (this, (op->weight + op->carrying));
1650
1651	otmp = this->in_player ();
1652	if (otmp && otmp->contr)
1653	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1654	otmp->update_stats ();
1655
1656	op->map = 0;	1657	op->map = 0;
1657	op->env = this;	1658	op->x = 0;
		1659	op->y = 0;
		1660
1658	op->above = 0;	1661	op->above = 0;
1659	op->below = 0;	1662	op->below = inv;
1660	op->x = 0, op->y = 0;	1663	op->env = this;
1661		1664
		1665	if (inv)
		1666	inv->above = op;
		1667
		1668	inv = op;
		1669
		1670	op->flag [FLAG_REMOVED] = 0;
		1671
		1672	if (object *pl = op->visible_to ())
		1673	esrv_send_item (pl, op);
		1674
		1675	adjust_weight (this, op->total_weight ());
		1676
		1677	inserted:
1662	/* reset the light list and los of the players on the map */	1678	/* reset the light list and los of the players on the map */
1663	if ((op->glow_radius != 0) && map)	1679	if (op->glow_radius && map && map->darkness)
1664	{
1665	#ifdef DEBUG_LIGHTS
1666	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1667	#endif /* DEBUG_LIGHTS */
1668	if (map->darkness)
1669	update_all_los (map, x, y);	1680	update_all_los (map, x, y);
1670	}
1671		1681
1672	/* Client has no idea of ordering so lets not bother ordering it here.	1682	// if this is a player's inventory, update stats
1673	* It sure simplifies this function...	1683	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1674	*/	1684	update_stats ();
1675	if (!inv)
1676	inv = op;
1677	else
1678	{
1679	op->below = inv;
1680	op->below->above = op;
1681	inv = op;
1682	}
1683		1685
1684	INVOKE_OBJECT (INSERT, this);	1686	INVOKE_OBJECT (INSERT, this);
1685		1687
1686	return op;	1688	return op;
1687	}	1689	}
…		…
1768	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1770	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1769	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1771	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1770	{	1772	{
1771		1773
1772	float	1774	float
1773	diff = tmp->move_slow_penalty * FABS (op->speed);	1775	diff = tmp->move_slow_penalty * fabs (op->speed);
1774		1776
1775	if (op->type == PLAYER)	1777	if (op->type == PLAYER)
1776	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1778	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1777	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1779	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1778	diff /= 4.0;	1780	diff /= 4.0;
…		…
1902	* activate recursively a flag on an object inventory	1904	* activate recursively a flag on an object inventory
1903	*/	1905	*/
1904	void	1906	void
1905	flag_inv (object *op, int flag)	1907	flag_inv (object *op, int flag)
1906	{	1908	{
1907	if (op->inv)
1908	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1909	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1909	{	1910	{
1910	SET_FLAG (tmp, flag);	1911	SET_FLAG (tmp, flag);
1911	flag_inv (tmp, flag);	1912	flag_inv (tmp, flag);
1912	}	1913	}
1913	}	1914	}
1914		1915
1915	/*	1916	/*
1916	* deactivate recursively a flag on an object inventory	1917	* deactivate recursively a flag on an object inventory
1917	*/	1918	*/
1918	void	1919	void
1919	unflag_inv (object *op, int flag)	1920	unflag_inv (object *op, int flag)
1920	{	1921	{
1921	if (op->inv)
1922	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1922	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1923	{	1923	{
1924	CLEAR_FLAG (tmp, flag);	1924	CLEAR_FLAG (tmp, flag);
1925	unflag_inv (tmp, flag);	1925	unflag_inv (tmp, flag);
1926	}	1926	}
1927	}
1928
1929	/*
1930	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1931	* all it's inventory (recursively).
1932	* If checksums are used, a player will get set_cheat called for
1933	* him/her-self and all object carried by a call to this function.
1934	*/
1935	void
1936	set_cheat (object *op)
1937	{
1938	SET_FLAG (op, FLAG_WAS_WIZ);
1939	flag_inv (op, FLAG_WAS_WIZ);
1940	}	1927	}
1941		1928
1942	/*	1929	/*
1943	* find_free_spot(object, map, x, y, start, stop) will search for	1930	* find_free_spot(object, map, x, y, start, stop) will search for
1944	* a spot at the given map and coordinates which will be able to contain	1931	* a spot at the given map and coordinates which will be able to contain
…		…
1946	* to search (see the freearr_x/y[] definition).	1933	* to search (see the freearr_x/y[] definition).
1947	* It returns a random choice among the alternatives found.	1934	* It returns a random choice among the alternatives found.
1948	* start and stop are where to start relative to the free_arr array (1,9	1935	* start and stop are where to start relative to the free_arr array (1,9
1949	* does all 4 immediate directions). This returns the index into the	1936	* does all 4 immediate directions). This returns the index into the
1950	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1937	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1951	* Note - this only checks to see if there is space for the head of the
1952	* object - if it is a multispace object, this should be called for all
1953	* pieces.
1954	* Note2: This function does correctly handle tiled maps, but does not	1938	* Note: This function does correctly handle tiled maps, but does not
1955	* inform the caller. However, insert_ob_in_map will update as	1939	* inform the caller. However, insert_ob_in_map will update as
1956	* necessary, so the caller shouldn't need to do any special work.	1940	* necessary, so the caller shouldn't need to do any special work.
1957	* Note - updated to take an object instead of archetype - this is necessary	1941	* Note - updated to take an object instead of archetype - this is necessary
1958	* because arch_blocked (now ob_blocked) needs to know the movement type	1942	* because arch_blocked (now ob_blocked) needs to know the movement type
1959	* to know if the space in question will block the object. We can't use	1943	* to know if the space in question will block the object. We can't use
…		…
1961	* customized, changed states, etc.	1945	* customized, changed states, etc.
1962	*/	1946	*/
1963	int	1947	int
1964	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1948	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1965	{	1949	{
		1950	int altern[SIZEOFFREE];
1966	int index = 0, flag;	1951	int index = 0, flag;
1967	int altern[SIZEOFFREE];
1968		1952
1969	for (int i = start; i < stop; i++)	1953	for (int i = start; i < stop; i++)
1970	{	1954	{
1971	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1955	mapxy pos (m, x, y); pos.move (i);
1972	if (!flag)	1956
		1957	if (!pos.normalise ())
		1958	continue;
		1959
		1960	mapspace &ms = *pos;
		1961
		1962	if (ms.flags () & P_IS_ALIVE)
		1963	continue;
		1964
		1965	/* However, often
		1966	* ob doesn't have any move type (when used to place exits)
		1967	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1968	*/
		1969	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1970	{
1973	altern [index++] = i;	1971	altern [index++] = i;
		1972	continue;
		1973	}
1974		1974
1975	/* Basically, if we find a wall on a space, we cut down the search size.	1975	/* Basically, if we find a wall on a space, we cut down the search size.
1976	* In this way, we won't return spaces that are on another side of a wall.	1976	* In this way, we won't return spaces that are on another side of a wall.
1977	* This mostly work, but it cuts down the search size in all directions -	1977	* This mostly work, but it cuts down the search size in all directions -
1978	* if the space being examined only has a wall to the north and empty	1978	* if the space being examined only has a wall to the north and empty
1979	* spaces in all the other directions, this will reduce the search space	1979	* spaces in all the other directions, this will reduce the search space
1980	* to only the spaces immediately surrounding the target area, and	1980	* to only the spaces immediately surrounding the target area, and
1981	* won't look 2 spaces south of the target space.	1981	* won't look 2 spaces south of the target space.
1982	*/	1982	*/
1983	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1983	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1984	{
1984	stop = maxfree[i];	1985	stop = maxfree[i];
		1986	continue;
		1987	}
		1988
		1989	/* Note it is intentional that we check ob - the movement type of the
		1990	* head of the object should correspond for the entire object.
		1991	*/
		1992	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1993	continue;
		1994
		1995	if (ob->blocked (m, pos.x, pos.y))
		1996	continue;
		1997
		1998	altern [index++] = i;
1985	}	1999	}
1986		2000
1987	if (!index)	2001	if (!index)
1988	return -1;	2002	return -1;
1989		2003
1990	return altern[RANDOM () % index];	2004	return altern [rndm (index)];
1991	}	2005	}
1992		2006
1993	/*	2007	/*
1994	* find_first_free_spot(archetype, maptile, x, y) works like	2008	* find_first_free_spot(archetype, maptile, x, y) works like
1995	* find_free_spot(), but it will search max number of squares.	2009	* find_free_spot(), but it will search max number of squares.
…		…
1998	*/	2012	*/
1999	int	2013	int
2000	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2014	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2001	{	2015	{
2002	for (int i = 0; i < SIZEOFFREE; i++)	2016	for (int i = 0; i < SIZEOFFREE; i++)
2003	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2017	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2004	return i;	2018	return i;
2005		2019
2006	return -1;	2020	return -1;
2007	}	2021	}
2008		2022
…		…
2016	{	2030	{
2017	arr += begin;	2031	arr += begin;
2018	end -= begin;	2032	end -= begin;
2019		2033
2020	while (--end)	2034	while (--end)
2021	swap (arr [end], arr [RANDOM () % (end + 1)]);	2035	swap (arr [end], arr [rndm (end + 1)]);
2022	}	2036	}
2023		2037
2024	/* new function to make monster searching more efficient, and effective!	2038	/* new function to make monster searching more efficient, and effective!
2025	* This basically returns a randomized array (in the passed pointer) of	2039	* This basically returns a randomized array (in the passed pointer) of
2026	* the spaces to find monsters. In this way, it won't always look for	2040	* the spaces to find monsters. In this way, it won't always look for
…		…
2062	object *tmp;	2076	object *tmp;
2063	maptile *mp;	2077	maptile *mp;
2064		2078
2065	MoveType blocked, move_type;	2079	MoveType blocked, move_type;
2066		2080
2067	if (exclude && exclude->head)	2081	if (exclude && exclude->head_ () != exclude)
2068	{	2082	{
2069	exclude = exclude->head;	2083	exclude = exclude->head;
2070	move_type = exclude->move_type;	2084	move_type = exclude->move_type;
2071	}	2085	}
2072	else	2086	else
…		…
2095	max = maxfree[i];	2109	max = maxfree[i];
2096	else if (mflags & P_IS_ALIVE)	2110	else if (mflags & P_IS_ALIVE)
2097	{	2111	{
2098	for (tmp = ms.bot; tmp; tmp = tmp->above)	2112	for (tmp = ms.bot; tmp; tmp = tmp->above)
2099	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2113	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2100	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2114	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2101	break;	2115	break;
2102		2116
2103	if (tmp)	2117	if (tmp)
2104	return freedir[i];	2118	return freedir[i];
2105	}	2119	}
…		…
2160		2174
2161	return 3;	2175	return 3;
2162	}	2176	}
2163		2177
2164	/*	2178	/*
2165	* absdir(int): Returns a number between 1 and 8, which represent
2166	* the "absolute" direction of a number (it actually takes care of
2167	* "overflow" in previous calculations of a direction).
2168	*/
2169
2170	int
2171	absdir (int d)
2172	{
2173	while (d < 1)
2174	d += 8;
2175
2176	while (d > 8)
2177	d -= 8;
2178
2179	return d;
2180	}
2181
2182	/*
2183	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2179	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2184	* between two directions (which are expected to be absolute (see absdir())	2180	* between two directions (which are expected to be absolute (see absdir())
2185	*/	2181	*/
2186
2187	int	2182	int
2188	dirdiff (int dir1, int dir2)	2183	dirdiff (int dir1, int dir2)
2189	{	2184	{
2190	int d;	2185	int d;
2191		2186
…		…
2304	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2299	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2305	* core dumps if they do.	2300	* core dumps if they do.
2306	*	2301	*
2307	* Add a check so we can't pick up invisible objects (0.93.8)	2302	* Add a check so we can't pick up invisible objects (0.93.8)
2308	*/	2303	*/
2309
2310	int	2304	int
2311	can_pick (const object *who, const object *item)	2305	can_pick (const object *who, const object *item)
2312	{	2306	{
2313	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2307	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2314	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2308	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2319	* create clone from object to another	2313	* create clone from object to another
2320	*/	2314	*/
2321	object *	2315	object *
2322	object_create_clone (object *asrc)	2316	object_create_clone (object *asrc)
2323	{	2317	{
2324	object *dst = 0, *tmp, *src, *part, *prev, *item;	2318	object *dst = 0, *tmp, *src, *prev, *item;
2325		2319
2326	if (!asrc)	2320	if (!asrc)
2327	return 0;	2321	return 0;
2328		2322
2329	src = asrc;
2330	if (src->head)
2331	src = src->head;	2323	src = asrc->head_ ();
2332		2324
2333	prev = 0;	2325	prev = 0;
2334	for (part = src; part; part = part->more)	2326	for (object *part = src; part; part = part->more)
2335	{	2327	{
2336	tmp = part->clone ();	2328	tmp = part->clone ();
2337	tmp->x -= src->x;	2329	tmp->x -= src->x;
2338	tmp->y -= src->y;	2330	tmp->y -= src->y;
2339		2331
…		…
2357	insert_ob_in_ob (object_create_clone (item), dst);	2349	insert_ob_in_ob (object_create_clone (item), dst);
2358		2350
2359	return dst;	2351	return dst;
2360	}	2352	}
2361		2353
2362	/* GROS - Creates an object using a string representing its content. */
2363	/* Basically, we save the content of the string to a temp file, then call */
2364	/* load_object on it. I admit it is a highly inefficient way to make things, */
2365	/* but it was simple to make and allows reusing the load_object function. */
2366	/* Remember not to use load_object_str in a time-critical situation. */
2367	/* Also remember that multiparts objects are not supported for now. */
2368	object *
2369	load_object_str (const char *obstr)
2370	{
2371	object *op;
2372	char filename[MAX_BUF];
2373
2374	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2375
2376	FILE *tempfile = fopen (filename, "w");
2377
2378	if (tempfile == NULL)
2379	{
2380	LOG (llevError, "Error - Unable to access load object temp file\n");
2381	return NULL;
2382	}
2383
2384	fprintf (tempfile, obstr);
2385	fclose (tempfile);
2386
2387	op = object::create ();
2388
2389	object_thawer thawer (filename);
2390
2391	if (thawer)
2392	load_object (thawer, op, 0);
2393
2394	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2395	CLEAR_FLAG (op, FLAG_REMOVED);
2396
2397	return op;
2398	}
2399
2400	/* This returns the first object in who's inventory that	2354	/* This returns the first object in who's inventory that
2401	* has the same type and subtype match.	2355	* has the same type and subtype match.
2402	* returns NULL if no match.	2356	* returns NULL if no match.
2403	*/	2357	*/
2404	object *	2358	object *
…		…
2457	if (link->key == canonical_key)	2411	if (link->key == canonical_key)
2458	return link->value;	2412	return link->value;
2459		2413
2460	return 0;	2414	return 0;
2461	}	2415	}
2462
2463		2416
2464	/*	2417	/*
2465	* Updates the canonical_key in op to value.	2418	* Updates the canonical_key in op to value.
2466	*	2419	*
2467	* canonical_key is a shared string (value doesn't have to be).	2420	* canonical_key is a shared string (value doesn't have to be).
…		…
2491	/* Basically, if the archetype has this key set,	2444	/* Basically, if the archetype has this key set,
2492	* we need to store the null value so when we save	2445	* we need to store the null value so when we save
2493	* it, we save the empty value so that when we load,	2446	* it, we save the empty value so that when we load,
2494	* we get this value back again.	2447	* we get this value back again.
2495	*/	2448	*/
2496	if (get_ob_key_link (&op->arch->clone, canonical_key))	2449	if (get_ob_key_link (op->arch, canonical_key))
2497	field->value = 0;	2450	field->value = 0;
2498	else	2451	else
2499	{	2452	{
2500	if (last)	2453	if (last)
2501	last->next = field->next;	2454	last->next = field->next;
…		…
2570	}	2523	}
2571	else	2524	else
2572	item = item->env;	2525	item = item->env;
2573	}	2526	}
2574		2527
2575
2576	const char *	2528	const char *
2577	object::flag_desc (char *desc, int len) const	2529	object::flag_desc (char *desc, int len) const
2578	{	2530	{
2579	char *p = desc;	2531	char *p = desc;
2580	bool first = true;	2532	bool first = true;
…		…
2607	{	2559	{
2608	char flagdesc[512];	2560	char flagdesc[512];
2609	char info2[256 * 4];	2561	char info2[256 * 4];
2610	char *p = info;	2562	char *p = info;
2611		2563
2612	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",	2564	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2613	count, uuid.seq,	2565	count,
		2566	uuid.c_str (),
2614	&name,	2567	&name,
2615	title ? "\",title:" : "",	2568	title ? "\",title:\"" : "",
2616	title ? (const char *)title : "",	2569	title ? (const char *)title : "",
2617	flag_desc (flagdesc, 512), type);	2570	flag_desc (flagdesc, 512), type);
2618		2571
2619	if (env)	2572	if (!this->flag[FLAG_REMOVED] && env)
2620	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2573	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2621		2574
2622	if (map)	2575	if (map)
2623	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2576	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2624		2577
…		…
2626	}	2579	}
2627		2580
2628	const char *	2581	const char *
2629	object::debug_desc () const	2582	object::debug_desc () const
2630	{	2583	{
2631	static char info[256 * 4];	2584	static char info[3][256 * 4];
		2585	static int info_idx;
		2586
2632	return debug_desc (info);	2587	return debug_desc (info [++info_idx % 3]);
2633	}	2588	}
2634		2589
		2590	struct region *
		2591	object::region () const
		2592	{
		2593	return map ? map->region (x, y)
		2594	: region::default_region ();
		2595	}
		2596
		2597	const materialtype_t *
		2598	object::dominant_material () const
		2599	{
		2600	if (materialtype_t *mt = name_to_material (materialname))
		2601	return mt;
		2602
		2603	return name_to_material (shstr_unknown);
		2604	}
		2605
		2606	void
		2607	object::open_container (object *new_container)
		2608	{
		2609	if (container == new_container)
		2610	return;
		2611
		2612	if (object *old_container = container)
		2613	{
		2614	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2615	return;
		2616
		2617	#if 0
		2618	// remove the "Close old_container" object.
		2619	if (object *closer = old_container->inv)
		2620	if (closer->type == CLOSE_CON)
		2621	closer->destroy ();
		2622	#endif
		2623
		2624	old_container->flag [FLAG_APPLIED] = 0;
		2625	container = 0;
		2626
		2627	esrv_update_item (UPD_FLAGS, this, old_container);
		2628	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2629	play_sound (sound_find ("chest_close"));
		2630	}
		2631
		2632	if (new_container)
		2633	{
		2634	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2635	return;
		2636
		2637	// TODO: this does not seem to serve any purpose anymore?
		2638	#if 0
		2639	// insert the "Close Container" object.
		2640	if (archetype *closer = new_container->other_arch)
		2641	{
		2642	object *closer = arch_to_object (new_container->other_arch);
		2643	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2644	new_container->insert (closer);
		2645	}
		2646	#endif
		2647
		2648	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2649
		2650	new_container->flag [FLAG_APPLIED] = 1;
		2651	container = new_container;
		2652
		2653	esrv_update_item (UPD_FLAGS, this, new_container);
		2654	esrv_send_inventory (this, new_container);
		2655	play_sound (sound_find ("chest_open"));
		2656	}
		2657	}
		2658
		2659	object *
		2660	object::force_find (const shstr name)
		2661	{
		2662	/* cycle through his inventory to look for the MARK we want to
		2663	* place
		2664	*/
		2665	for (object *tmp = inv; tmp; tmp = tmp->below)
		2666	if (tmp->type == FORCE && tmp->slaying == name)
		2667	return splay (tmp);
		2668
		2669	return 0;
		2670	}
		2671
		2672	void
		2673	object::force_add (const shstr name, int duration)
		2674	{
		2675	if (object *force = force_find (name))
		2676	force->destroy ();
		2677
		2678	object *force = get_archetype (FORCE_NAME);
		2679
		2680	force->slaying = name;
		2681	force->stats.food = 1;
		2682	force->speed_left = -1.f;
		2683
		2684	force->set_speed (duration ? 1.f / duration : 0.f);
		2685	force->flag [FLAG_IS_USED_UP] = true;
		2686	force->flag [FLAG_APPLIED] = true;
		2687
		2688	insert (force);
		2689	}
		2690
		2691	void
		2692	object::play_sound (faceidx sound)
		2693	{
		2694	if (!sound)
		2695	return;
		2696
		2697	if (flag [FLAG_REMOVED])
		2698	return;
		2699
		2700	if (env)
		2701	{
		2702	if (object *pl = in_player ())
		2703	pl->contr->play_sound (sound);
		2704	}
		2705	else
		2706	map->play_sound (sound, x, y);
		2707	}
		2708

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