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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 1.209 by root, Mon Apr 21 06:35:26 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 <funcpoint.h>
		30	#include <sproto.h>
34	#include <loader.h>	31	#include <loader.h>
35		32
36	#include <bitset>	33	#include <bitset>
37		34
38	int nrofallocobjects = 0;	35	UUID UUID::cur;
39	static UUID uuid;	36	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
41		38
42	objectvec objects;	39	objectvec objects;
43	activevec actives;	40	activevec actives;
44		41
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,	42	short freearr_x[SIZEOFFREE] = {
		43	0,
		44	0, 1, 1, 1, 0, -1, -1, -1,
		45	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
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	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
47	};	47	};
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,	48	short freearr_y[SIZEOFFREE] = {
		49	0,
		50	-1, -1, 0, 1, 1, 1, 0, -1,
		51	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
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	52	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50	};	53	};
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,	54	int maxfree[SIZEOFFREE] = {
		55	0,
		56	9, 10, 13, 14, 17, 18, 21, 22,
		57	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
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	58	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
53	};	59	};
54	int freedir[SIZEOFFREE] = {	60	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,	61	0,
		62	1, 2, 3, 4, 5, 6, 7, 8,
		63	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
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	64	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
57	};	65	};
58		66
59	static void	67	static void
60	write_uuid (void)	68	write_uuid (uval64 skip, bool sync)
61	{	69	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	70	CALL_BEGIN (2);
63		71	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	72	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	73	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		74	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	}	75	}
79		76
80	static void	77	static void
81	read_uuid (void)	78	read_uuid (void)
82	{	79	{
83	char filename[MAX_BUF];	80	char filename[MAX_BUF];
84		81
85	sprintf (filename, "%s/uuid", settings.localdir);	82	sprintf (filename, "%s/uuid", settings.localdir);
86		83
		84	seq_next_save = 0;
		85
87	FILE *fp;	86	FILE *fp;
88		87
89	if (!(fp = fopen (filename, "r")))	88	if (!(fp = fopen (filename, "r")))
90	{	89	{
91	if (errno == ENOENT)	90	if (errno == ENOENT)
92	{	91	{
93	LOG (llevInfo, "RESET uid to 1\n");	92	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	93	UUID::cur.seq = 0;
95	write_uuid ();	94	write_uuid (UUID_GAP, true);
96	return;	95	return;
97	}	96	}
98		97
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	98	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	99	_exit (1);
101	}	100	}
102		101
103	int version;	102	UUID::BUF buf;
104	unsigned long long uid;	103	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	104	fgets (buf, sizeof (buf), fp);
		105
		106	if (!UUID::cur.parse (buf))
106	{	107	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	108	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	109	_exit (1);
109	}	110	}
110		111
111	uuid.seq = uid;	112	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	113
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	114	write_uuid (UUID_GAP, true);
114	fclose (fp);	115	fclose (fp);
115	}	116	}
116		117
117	UUID	118	UUID
118	gen_uuid ()	119	UUID::gen ()
119	{	120	{
120	UUID uid;	121	UUID uid;
121		122
122	uid.seq = ++uuid.seq;	123	uid.seq = ++cur.seq;
123		124
124	if (!(uuid.seq & (UUID_SKIP - 1)))	125	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	126	{
		127	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		128	write_uuid (UUID_GAP, false);
		129	}
		130
126		131
127	return uid;	132	return uid;
128	}	133	}
129		134
130	void	135	void
131	init_uuid ()	136	UUID::init ()
132	{	137	{
133	read_uuid ();	138	read_uuid ();
134	}	139	}
135		140
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	141	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	142	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	143	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	144	{
140	key_value *wants_field;	145	key_value *wants_field;
141		146
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	147	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both
…		…
150	key_value *has_field;	155	key_value *has_field;
151		156
152	/* Look for a field in has with the same key. */	157	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);	158	has_field = get_ob_key_link (has, wants_field->key);
154		159
155	if (has_field == NULL)	160	if (!has_field)
156	{
157	/* No field with that name. */	161	return 0; /* No field with that name. */
158	return FALSE;
159	}
160		162
161	/* Found the matching field. */	163	/* Found the matching field. */
162	if (has_field->value != wants_field->value)	164	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */	165	return 0; /* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167		166
168	/* If we get here, we found a match. Now for the next field in wants. */	167	/* If we get here, we found a match. Now for the next field in wants. */
169	}	168	}
170		169
171	/* If we get here, every field in wants has a matching field in has. */	170	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	171	return 1;
173	}	172	}
174		173
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	174	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	175	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	176	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	177	{
179	/* However, there may be fields in has which aren't partnered in wants,	178	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	179	* so we need to run the comparison *twice*. :(
181	*/	180	*/
…		…
202	|| ob1->speed != ob2->speed	201	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	202	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	203	|| ob1->name != ob2->name)
205	return 0;	204	return 0;
206		205
207	//TODO: this ain't working well, use nicer and correct overflow check	206	/* 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	207	* for unsigned overflow (2c), second part checks whether the result
209	* value could not be stored in a sint32 (which unfortunately sometimes is	208	* would fit into a 32 bit signed int, which is often used to hold
210	* used to store nrof).	209	* nrof values.
211	*/	210	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)	211	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
213	return 0;	212	return 0;
214		213
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	214	/* 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	215	* 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	216	* 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	217	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	218	* flags lose any meaning.
220	*/	219	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	220	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		222
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		225
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	226	if (ob1->arch->name != ob2->arch->name
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	227	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	228	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	229	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	230	|| 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	231	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	232	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	233	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	234	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	235	|| ob1->value != ob2->value
…		…
246	|| ob1->move_block != ob2->move_block	242	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	243	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	244	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	245	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	246	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	247	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		248	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		249	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	250	return 0;
253		251
		252	if ((ob1->flag ^ ob2->flag)
		253	.reset (FLAG_INV_LOCKED)
		254	.reset (FLAG_CLIENT_SENT)
		255	.reset (FLAG_REMOVED)
		256	.any ())
		257	return 0;
		258
254	/* This is really a spellbook check - really, we should	259	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	260	* not merge objects with real inventories, as splitting them
		261	* is hard.
256	*/	262	*/
257	if (ob1->inv || ob2->inv)	263	if (ob1->inv || ob2->inv)
258	{	264	{
259	/* if one object has inventory but the other doesn't, not equiv */	265	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	266	return 0; /* inventories differ in length */
261	return 0;
262		267
263	/* Now check to see if the two inventory objects could merge */	268	if (ob1->inv->below || ob2->inv->below)
		269	return 0; /* more than one object in inv */
		270
264	if (!object::can_merge (ob1->inv, ob2->inv))	271	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	272	return 0; /* inventory objects differ */
266		273
267	/* inventory ok - still need to check rest of this object to see	274	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	275	* if it is valid.
269	*/	276	*/
270	}	277	}
…		…
289	if (ob1->level != ob2->level)	296	if (ob1->level != ob2->level)
290	return 0;	297	return 0;
291	break;	298	break;
292	}	299	}
293		300
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	301	if (ob1->key_values || ob2->key_values)
295	{	302	{
296	/* At least one of these has key_values. */	303	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	304	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	305	return 0; /* One has fields, but the other one doesn't. */
		306
		307	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	308	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	309	}
303		310
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	311	if (ob1->self || ob2->self)
306	{	312	{
307	ob1->optimise ();	313	ob1->optimise ();
308	ob2->optimise ();	314	ob2->optimise ();
309		315
310	if (ob1->self || ob2->self)	316	if (ob1->self || ob2->self)
		317	{
		318	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		319	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		320
		321	if (k1 != k2)
311	return 0;	322	return 0;
		323
		324	if (k1 == 0)
		325	return 1;
		326
		327	if (!cfperl_can_merge (ob1, ob2))
		328	return 0;
		329	}
312	}	330	}
313		331
314	/* Everything passes, must be OK. */	332	/* Everything passes, must be OK. */
315	return 1;	333	return 1;
316	}	334	}
317		335
		336	// adjust weight per container type ("of holding")
		337	static sint32
		338	weight_adjust (object *op, sint32 weight)
		339	{
		340	return op->type == CONTAINER
		341	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		342	: weight;
		343	}
		344
318	/*	345	/*
		346	* adjust_weight(object, weight) adds the specified weight to an object,
		347	* and also updates how much the environment(s) is/are carrying.
		348	*/
		349	static void
		350	adjust_weight (object *op, sint32 weight)
		351	{
		352	while (op)
		353	{
		354	weight = weight_adjust (op, weight);
		355
		356	op->carrying += weight;
		357	op = op->env;
		358	}
		359	}
		360
		361	/*
319	* sum_weight() is a recursive function which calculates the weight	362	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	363	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	364	* containers are carrying, and sums it up.
322	*/	365	*/
323	long	366	void
324	sum_weight (object *op)	367	object::update_weight ()
325	{	368	{
326	long sum;	369	sint32 sum = 0;
327	object *inv;
328		370
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	371	for (object *op = inv; op; op = op->below)
330	{	372	{
331	if (inv->inv)	373	if (op->inv)
332	sum_weight (inv);	374	op->update_weight ();
333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
334	}
335		375
336	if (op->type == CONTAINER && op->stats.Str)	376	sum += op->total_weight ();
337	sum = (sum * (100 - op->stats.Str)) / 100;	377	}
338		378
339	if (op->carrying != sum)	379	carrying = weight_adjust (this, sum);
340	op->carrying = sum;
341
342	return sum;
343	}	380	}
344		381
345	/**	382	/*
346	* Return the outermost environment object for a given object.	383	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/	384	*/
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 *	385	char *
364	dump_object (object *op)	386	dump_object (object *op)
365	{	387	{
366	if (!op)	388	if (!op)
367	return strdup ("[NULLOBJ]");	389	return strdup ("[NULLOBJ]");
368		390
369	object_freezer freezer;	391	object_freezer freezer;
370	save_object (freezer, op, 1);	392	op->write (freezer);
371	return freezer.as_string ();	393	return freezer.as_string ();
372	}	394	}
373		395
374	/*	396	/*
375	* get_nearest_part(multi-object, object 2) returns the part of the	397	* get_nearest_part(multi-object, object 2) returns the part of the
376	* multi-object 1 which is closest to the second object.	398	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.	399	* If it's not a multi-object, it is returned.
378	*/	400	*/
379
380	object *	401	object *
381	get_nearest_part (object *op, const object *pl)	402	get_nearest_part (object *op, const object *pl)
382	{	403	{
383	object *tmp, *closest;	404	object *tmp, *closest;
384	int last_dist, i;	405	int last_dist, i;
385		406
386	if (op->more == NULL)	407	if (!op->more)
387	return op;	408	return op;
		409
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	410	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		411	tmp;
		412	tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)	413	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;	414	closest = tmp, last_dist = i;
		415
391	return closest;	416	return closest;
392	}	417	}
393		418
394	/*	419	/*
395	* Returns the object which has the count-variable equal to the argument.	420	* Returns the object which has the count-variable equal to the argument.
		421	* VERRRY slow.
396	*/	422	*/
397	object *	423	object *
398	find_object (tag_t i)	424	find_object (tag_t i)
399	{	425	{
400	return ((unsigned int)i) < objects.size ()	426	for_all_objects (op)
401	? objects [i]	427	if (op->count == i)
402	: 0;	428	return op;
		429
		430	return 0;
403	}	431	}
404		432
405	/*	433	/*
406	* Returns the first object which has a name equal to the argument.	434	* Returns the first object which has a name equal to the argument.
407	* Used only by the patch command, but not all that useful.	435	* Used only by the patch command, but not all that useful.
…		…
418	break;	446	break;
419		447
420	return op;	448	return op;
421	}	449	}
422		450
423	void
424	free_all_object_data ()
425	{
426	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
427	}
428
429	/*	451	/*
430	* Sets the owner and sets the skill and exp pointers to owner's current	452	* Sets the owner and sets the skill and exp pointers to owner's current
431	* skill and experience objects.	453	* skill and experience objects.
		454	* ACTUALLY NO! investigate! TODO
432	*/	455	*/
433	void	456	void
434	object::set_owner (object *owner)	457	object::set_owner (object *owner)
435	{	458	{
		459	// allow objects which own objects
436	if (!owner)	460	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)	461	while (owner->owner)
447	owner = owner->owner;	462	owner = owner->owner;
		463
		464	if (flag [FLAG_FREED])
		465	{
		466	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		467	return;
		468	}
448		469
449	this->owner = owner;	470	this->owner = owner;
		471	}
		472
		473	int
		474	object::slottype () const
		475	{
		476	if (type == SKILL)
		477	{
		478	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		479	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		480	}
		481	else
		482	{
		483	if (slot [body_combat].info) return slot_combat;
		484	if (slot [body_range ].info) return slot_ranged;
		485	}
		486
		487	return slot_none;
		488	}
		489
		490	bool
		491	object::change_weapon (object *ob)
		492	{
		493	if (current_weapon == ob)
		494	return true;
		495
		496	if (chosen_skill)
		497	chosen_skill->flag [FLAG_APPLIED] = false;
		498
		499	current_weapon = ob;
		500	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		501
		502	if (chosen_skill)
		503	chosen_skill->flag [FLAG_APPLIED] = true;
		504
		505	update_stats ();
		506
		507	if (ob)
		508	{
		509	// now check wether any body locations became invalid, in which case
		510	// we cannot apply the weapon at the moment.
		511	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		512	if (slot[i].used < 0)
		513	{
		514	current_weapon = chosen_skill = 0;
		515	update_stats ();
		516
		517	new_draw_info_format (NDI_UNIQUE, 0, this,
		518	"You try to balance all your items at once, "
		519	"but the %s is just too much for your body. "
		520	"[You need to unapply some items first.]", &ob->name);
		521	return false;
		522	}
		523
		524	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		525	}
		526	else
		527	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		528
		529	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		530	{
		531	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		532	&name, ob->debug_desc ());
		533	return false;
		534	}
		535
		536	return true;
450	}	537	}
451		538
452	/* Zero the key_values on op, decrementing the shared-string	539	/* Zero the key_values on op, decrementing the shared-string
453	* refcounts and freeing the links.	540	* refcounts and freeing the links.
454	*/	541	*/
455	static void	542	static void
456	free_key_values (object *op)	543	free_key_values (object *op)
457	{	544	{
458	for (key_value *i = op->key_values; i != 0;)	545	for (key_value *i = op->key_values; i; )
459	{	546	{
460	key_value *next = i->next;	547	key_value *next = i->next;
461	delete i;	548	delete i;
462		549
463	i = next;	550	i = next;
464	}	551	}
465		552
466	op->key_values = 0;	553	op->key_values = 0;
467	}	554	}
468		555
469	/*	556	object &
470	* copy_to first frees everything allocated by the dst object,	557	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	{	558	{
480	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	559	bool is_freed = flag [FLAG_FREED];
481	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);	560	bool is_removed = flag [FLAG_REMOVED];
482		561
483	*(object_copy *)dst = *this;	562	*(object_copy *)this = src;
484		563
485	if (is_freed)	564	flag [FLAG_FREED] = is_freed;
486	SET_FLAG (dst, FLAG_FREED);	565	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		566
494	/* Copy over key_values, if any. */	567	/* Copy over key_values, if any. */
495	if (key_values)	568	if (src.key_values)
496	{	569	{
497	key_value *tail = 0;	570	key_value *tail = 0;
498	key_value *i;
499
500	dst->key_values = 0;	571	key_values = 0;
501		572
502	for (i = key_values; i; i = i->next)	573	for (key_value *i = src.key_values; i; i = i->next)
503	{	574	{
504	key_value *new_link = new key_value;	575	key_value *new_link = new key_value;
505		576
506	new_link->next = 0;	577	new_link->next = 0;
507	new_link->key = i->key;	578	new_link->key = i->key;
508	new_link->value = i->value;	579	new_link->value = i->value;
509		580
510	/* Try and be clever here, too. */	581	/* Try and be clever here, too. */
511	if (!dst->key_values)	582	if (!key_values)
512	{	583	{
513	dst->key_values = new_link;	584	key_values = new_link;
514	tail = new_link;	585	tail = new_link;
515	}	586	}
516	else	587	else
517	{	588	{
518	tail->next = new_link;	589	tail->next = new_link;
519	tail = new_link;	590	tail = new_link;
520	}	591	}
521	}	592	}
522	}	593	}
		594	}
		595
		596	/*
		597	* copy_to first frees everything allocated by the dst object,
		598	* and then copies the contents of itself into the second
		599	* object, allocating what needs to be allocated. Basically, any
		600	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		601	* if the first object is freed, the pointers in the new object
		602	* will point at garbage.
		603	*/
		604	void
		605	object::copy_to (object *dst)
		606	{
		607	*dst = *this;
		608
		609	if (speed < 0)
		610	dst->speed_left -= rndm ();
523		611
524	dst->set_speed (dst->speed);	612	dst->set_speed (dst->speed);
		613	}
		614
		615	void
		616	object::instantiate ()
		617	{
		618	if (!uuid.seq) // HACK
		619	uuid = UUID::gen ();
		620
		621	speed_left = -0.1f;
		622	/* copy the body_info to the body_used - this is only really
		623	* need for monsters, but doesn't hurt to do it for everything.
		624	* by doing so, when a monster is created, it has good starting
		625	* values for the body_used info, so when items are created
		626	* for it, they can be properly equipped.
		627	*/
		628	for (int i = NUM_BODY_LOCATIONS; i--; )
		629	slot[i].used = slot[i].info;
		630
		631	attachable::instantiate ();
525	}	632	}
526		633
527	object *	634	object *
528	object::clone ()	635	object::clone ()
529	{	636	{
…		…
587	* UP_OBJ_FACE: only the objects face has changed.	694	* UP_OBJ_FACE: only the objects face has changed.
588	*/	695	*/
589	void	696	void
590	update_object (object *op, int action)	697	update_object (object *op, int action)
591	{	698	{
592	MoveType move_on, move_off, move_block, move_slow;
593
594	if (op == NULL)	699	if (op == NULL)
595	{	700	{
596	/* this should never happen */	701	/* this should never happen */
597	LOG (llevDebug, "update_object() called for NULL object.\n");	702	LOG (llevDebug, "update_object() called for NULL object.\n");
598	return;	703	return;
…		…
658		763
659	if (op->more)	764	if (op->more)
660	update_object (op->more, action);	765	update_object (op->more, action);
661	}	766	}
662		767
663	object *object::first;
664
665	object::object ()	768	object::object ()
666	{	769	{
667	SET_FLAG (this, FLAG_REMOVED);	770	SET_FLAG (this, FLAG_REMOVED);
668		771
669	expmul = 1.0;	772	expmul = 1.0;
670	face = blank_face;	773	face = blank_face;
671	}	774	}
672		775
673	object::~object ()	776	object::~object ()
674	{	777	{
		778	unlink ();
		779
675	free_key_values (this);	780	free_key_values (this);
676	}	781	}
677		782
		783	static int object_count;
		784
678	void object::link ()	785	void object::link ()
679	{	786	{
680	uuid = gen_uuid ();	787	assert (!index);//D
		788	uuid = UUID::gen ();
		789	count = ++object_count;
681		790
682	refcnt_inc ();	791	refcnt_inc ();
683	objects.insert (this);	792	objects.insert (this);
684	}	793	}
685		794
686	void object::unlink ()	795	void object::unlink ()
687	{	796	{
		797	if (!index)
		798	return;
		799
688	objects.erase (this);	800	objects.erase (this);
689	refcnt_dec ();	801	refcnt_dec ();
690	}	802	}
691		803
692	void	804	void
…		…
765	* if some form of movement is allowed, let objects	877	* if some form of movement is allowed, let objects
766	* drop on that space.	878	* drop on that space.
767	*/	879	*/
768	if (!drop_to_ground	880	if (!drop_to_ground
769	|| !map	881	|| !map
770	|| map->in_memory != MAP_IN_MEMORY	882	|| map->in_memory != MAP_ACTIVE
		883	|| map->nodrop
771	|| ms ().move_block == MOVE_ALL)	884	|| ms ().move_block == MOVE_ALL)
772	{	885	{
773	while (inv)	886	while (inv)
774	{	887	{
775	inv->destroy_inv (drop_to_ground);	888	inv->destroy_inv (drop_to_ground);
…		…
784		897
785	if (op->flag [FLAG_STARTEQUIP]	898	if (op->flag [FLAG_STARTEQUIP]
786	|| op->flag [FLAG_NO_DROP]	899	|| op->flag [FLAG_NO_DROP]
787	|| op->type == RUNE	900	|| op->type == RUNE
788	|| op->type == TRAP	901	|| op->type == TRAP
789	|| op->flag [FLAG_IS_A_TEMPLATE])	902	|| op->flag [FLAG_IS_A_TEMPLATE]
		903	|| op->flag [FLAG_DESTROY_ON_DEATH])
790	op->destroy ();	904	op->destroy ();
791	else	905	else
792	map->insert (op, x, y);	906	map->insert (op, x, y);
793	}	907	}
794	}	908	}
…		…
802	}	916	}
803		917
804	void	918	void
805	object::do_destroy ()	919	object::do_destroy ()
806	{	920	{
		921	attachable::do_destroy ();
		922
807	if (flag [FLAG_IS_LINKED])	923	if (flag [FLAG_IS_LINKED])
808	remove_button_link (this);	924	remove_button_link (this);
809		925
810	if (flag [FLAG_FRIENDLY])	926	if (flag [FLAG_FRIENDLY])
811	remove_friendly_object (this);	927	remove_friendly_object (this);
812		928
813	if (!flag [FLAG_REMOVED])	929	if (!flag [FLAG_REMOVED])
814	remove ();	930	remove ();
815		931
816	if (flag [FLAG_FREED])	932	destroy_inv (true);
817	return;
818		933
819	set_speed (0);	934	deactivate ();
		935	unlink ();
820		936
821	flag [FLAG_FREED] = 1;	937	flag [FLAG_FREED] = 1;
822
823	attachable::do_destroy ();
824
825	destroy_inv (true);
826	unlink ();
827		938
828	// hack to ensure that freed objects still have a valid map	939	// hack to ensure that freed objects still have a valid map
829	{	940	{
830	static maptile *freed_map; // freed objects are moved here to avoid crashes	941	static maptile *freed_map; // freed objects are moved here to avoid crashes
831		942
832	if (!freed_map)	943	if (!freed_map)
833	{	944	{
834	freed_map = new maptile;	945	freed_map = new maptile;
835		946
		947	freed_map->path = "<freed objects map>";
836	freed_map->name = "/internal/freed_objects_map";	948	freed_map->name = "/internal/freed_objects_map";
837	freed_map->width = 3;	949	freed_map->width = 3;
838	freed_map->height = 3;	950	freed_map->height = 3;
		951	freed_map->nodrop = 1;
839		952
840	freed_map->alloc ();	953	freed_map->alloc ();
841	freed_map->in_memory = MAP_IN_MEMORY;	954	freed_map->in_memory = MAP_ACTIVE;
842	}	955	}
843		956
844	map = freed_map;	957	map = freed_map;
845	x = 1;	958	x = 1;
846	y = 1;	959	y = 1;
847	}	960	}
848		961
849	head = 0;
850
851	if (more)	962	if (more)
852	{	963	{
853	more->destroy ();	964	more->destroy ();
854	more = 0;	965	more = 0;
855	}	966	}
856		967
		968	head = 0;
		969
857	// clear those pointers that likely might have circular references to us	970	// clear those pointers that likely might cause circular references
858	owner = 0;	971	owner = 0;
859	enemy = 0;	972	enemy = 0;
860	attacked_by = 0;	973	attacked_by = 0;
		974	current_weapon = 0;
861	}	975	}
862		976
863	void	977	void
864	object::destroy (bool destroy_inventory)	978	object::destroy (bool destroy_inventory)
865	{	979	{
…		…
867	return;	981	return;
868		982
869	if (destroy_inventory)	983	if (destroy_inventory)
870	destroy_inv (false);	984	destroy_inv (false);
871		985
		986	if (is_head ())
		987	if (sound_destroy)
		988	play_sound (sound_destroy);
		989	else if (flag [FLAG_MONSTER])
		990	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
		991
872	attachable::destroy ();	992	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	}	993	}
891		994
892	/* op->remove ():	995	/* op->remove ():
893	* This function removes the object op from the linked list of objects	996	* 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	997	* which it is currently tied to. When this function is done, the
895	* object will have no environment. If the object previously had an	998	* object will have no environment. If the object previously had an
896	* environment, the x and y coordinates will be updated to	999	* environment, the x and y coordinates will be updated to
897	* the previous environment.	1000	* the previous environment.
898	* Beware: This function is called from the editor as well!
899	*/	1001	*/
900	void	1002	void
901	object::remove ()	1003	object::do_remove ()
902	{	1004	{
903	object *tmp, *last = 0;	1005	object *tmp, *last = 0;
904	object *otmp;	1006	object *otmp;
905		1007
906	if (QUERY_FLAG (this, FLAG_REMOVED))	1008	if (QUERY_FLAG (this, FLAG_REMOVED))
…		…
916	* In this case, the object to be removed is in someones	1018	* In this case, the object to be removed is in someones
917	* inventory.	1019	* inventory.
918	*/	1020	*/
919	if (env)	1021	if (env)
920	{	1022	{
		1023	adjust_weight (env, -total_weight ());
		1024
		1025	*(above ? &above->below : &env->inv) = below;
		1026
921	if (nrof)	1027	if (below)
922	sub_weight (env, weight * nrof);	1028	below->above = above;
923	else	1029
924	sub_weight (env, weight + carrying);	1030	/* we set up values so that it could be inserted into
		1031	* the map, but we don't actually do that - it is up
		1032	* to the caller to decide what we want to do.
		1033	*/
		1034	map = env->map;
		1035	x = env->x;
		1036	y = env->y;
		1037	above = 0;
		1038	below = 0;
		1039	env = 0;
925		1040
926	/* NO_FIX_PLAYER is set when a great many changes are being	1041	/* NO_FIX_PLAYER is set when a great many changes are being
927	* made to players inventory. If set, avoiding the call	1042	* made to players inventory. If set, avoiding the call
928	* to save cpu time.	1043	* to save cpu time.
929	*/	1044	*/
930	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1045	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
931	otmp->update_stats ();	1046	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	}	1047	}
950	else if (map)	1048	else if (map)
951	{	1049	{
952	if (type == PLAYER)	1050	if (type == PLAYER)
953	{	1051	{
		1052	// leaving a spot always closes any open container on the ground
		1053	if (container && !container->env)
		1054	// this causes spurious floorbox updates, but it ensures
		1055	// that the CLOSE event is being sent.
		1056	close_container ();
		1057
954	--map->players;	1058	--map->players;
955	map->touch ();	1059	map->touch ();
956	}	1060	}
957		1061
958	map->dirty = true;	1062	map->dirty = true;
		1063	mapspace &ms = this->ms ();
959		1064
960	/* link the object above us */	1065	/* link the object above us */
961	if (above)	1066	if (above)
962	above->below = below;	1067	above->below = below;
963	else	1068	else
964	map->at (x, y).top = below; /* we were top, set new top */	1069	ms.top = below; /* we were top, set new top */
965		1070
966	/* Relink the object below us, if there is one */	1071	/* Relink the object below us, if there is one */
967	if (below)	1072	if (below)
968	below->above = above;	1073	below->above = above;
969	else	1074	else
…		…
971	/* Nothing below, which means we need to relink map object for this space	1076	/* 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	1077	* use translated coordinates in case some oddness with map tiling is
973	* evident	1078	* evident
974	*/	1079	*/
975	if (GET_MAP_OB (map, x, y) != this)	1080	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);	1081	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		1082
986	map->at (x, y).bot = above; /* goes on above it. */	1083	ms.bot = above; /* goes on above it. */
987	}	1084	}
988		1085
989	above = 0;	1086	above = 0;
990	below = 0;	1087	below = 0;
991		1088
992	if (map->in_memory == MAP_SAVING)	1089	if (map->in_memory == MAP_SAVING)
993	return;	1090	return;
994		1091
995	int check_walk_off = !flag [FLAG_NO_APPLY];	1092	int check_walk_off = !flag [FLAG_NO_APPLY];
996		1093
		1094	if (object *pl = ms.player ())
		1095	{
		1096	if (pl->container == this)
		1097	/* If a container that the player is currently using somehow gets
		1098	* removed (most likely destroyed), update the player view
		1099	* appropriately.
		1100	*/
		1101	pl->close_container ();
		1102
		1103	pl->contr->ns->floorbox_update ();
		1104	}
		1105
997	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1106	for (tmp = ms.bot; tmp; tmp = tmp->above)
998	{	1107	{
999	/* No point updating the players look faces if he is the object	1108	/* No point updating the players look faces if he is the object
1000	* being removed.	1109	* being removed.
1001	*/	1110	*/
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		1111
1019	/* See if object moving off should effect something */	1112	/* See if object moving off should effect something */
1020	if (check_walk_off	1113	if (check_walk_off
1021	&& ((move_type & tmp->move_off)	1114	&& ((move_type & tmp->move_off)
1022	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1115	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1025		1118
1026	if (destroyed ())	1119	if (destroyed ())
1027	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1120	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1028	}	1121	}
1029		1122
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;	1123	last = tmp;
1036	}	1124	}
1037		1125
1038	/* last == NULL if there are no objects on this space */	1126	/* last == NULL if there are no objects on this space */
1039	//TODO: this makes little sense, why only update the topmost object?	1127	//TODO: this makes little sense, why only update the topmost object?
…		…
1059	merge_ob (object *op, object *top)	1147	merge_ob (object *op, object *top)
1060	{	1148	{
1061	if (!op->nrof)	1149	if (!op->nrof)
1062	return 0;	1150	return 0;
1063		1151
1064	if (top)	1152	if (!top)
1065	for (top = op; top && top->above; top = top->above)	1153	for (top = op; top && top->above; top = top->above)
1066	;	1154	;
1067		1155
1068	for (; top; top = top->below)	1156	for (; top; top = top->below)
1069	{	1157	{
…		…
1082	}	1170	}
1083		1171
1084	return 0;	1172	return 0;
1085	}	1173	}
1086		1174
		1175	void
		1176	object::expand_tail ()
		1177	{
		1178	if (more)
		1179	return;
		1180
		1181	object *prev = this;
		1182
		1183	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1184	{
		1185	object *op = arch_to_object (at);
		1186
		1187	op->name = name;
		1188	op->name_pl = name_pl;
		1189	op->title = title;
		1190
		1191	op->head = this;
		1192	prev->more = op;
		1193
		1194	prev = op;
		1195	}
		1196	}
		1197
1087	/*	1198	/*
1088	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1199	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1089	* job preparing multi-part monsters	1200	* job preparing multi-part monsters.
1090	*/	1201	*/
1091	object *	1202	object *
1092	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1203	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1093	{	1204	{
1094	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1205	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1095	{	1206	{
1096	tmp->x = x + tmp->arch->clone.x;	1207	tmp->x = x + tmp->arch->x;
1097	tmp->y = y + tmp->arch->clone.y;	1208	tmp->y = y + tmp->arch->y;
1098	}	1209	}
1099		1210
1100	return insert_ob_in_map (op, m, originator, flag);	1211	return insert_ob_in_map (op, m, originator, flag);
1101	}	1212	}
1102		1213
…		…
1121	* just 'op' otherwise	1232	* just 'op' otherwise
1122	*/	1233	*/
1123	object *	1234	object *
1124	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1235	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1125	{	1236	{
		1237	assert (!op->flag [FLAG_FREED]);
		1238
1126	object *tmp, *top, *floor = NULL;	1239	object *top, *floor = NULL;
1127	sint16 x, y;
1128		1240
1129	if (QUERY_FLAG (op, FLAG_FREED))	1241	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		1242
1198	/* Ideally, the caller figures this out. However, it complicates a lot	1243	/* 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	1244	* of areas of callers (eg, anything that uses find_free_spot would now
1200	* need extra work	1245	* need extra work
1201	*/	1246	*/
1202	op->map = get_map_from_coord (m, &op->x, &op->y);	1247	if (!xy_normalise (m, op->x, op->y))
1203	x = op->x;	1248	{
1204	y = op->y;	1249	op->destroy ();
		1250	return 0;
		1251	}
		1252
		1253	if (object *more = op->more)
		1254	if (!insert_ob_in_map (more, m, originator, flag))
		1255	return 0;
		1256
		1257	CLEAR_FLAG (op, FLAG_REMOVED);
		1258
		1259	op->map = m;
		1260	mapspace &ms = op->ms ();
1205		1261
1206	/* this has to be done after we translate the coordinates.	1262	/* this has to be done after we translate the coordinates.
1207	*/	1263	*/
1208	if (op->nrof && !(flag & INS_NO_MERGE))	1264	if (op->nrof && !(flag & INS_NO_MERGE))
1209	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)	1265	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1210	if (object::can_merge (op, tmp))	1266	if (object::can_merge (op, tmp))
1211	{	1267	{
1212	op->nrof += tmp->nrof;	1268	op->nrof += tmp->nrof;
1213	tmp->destroy ();	1269	tmp->destroy (1);
1214	}	1270	}
1215		1271
1216	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1272	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1217	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1273	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1218		1274
…		…
1231	op->below = originator->below;	1287	op->below = originator->below;
1232		1288
1233	if (op->below)	1289	if (op->below)
1234	op->below->above = op;	1290	op->below->above = op;
1235	else	1291	else
1236	op->ms ().bot = op;	1292	ms.bot = op;
1237		1293
1238	/* since *below* originator, no need to update top */	1294	/* since *below* originator, no need to update top */
1239	originator->below = op;	1295	originator->below = op;
1240	}	1296	}
1241	else	1297	else
1242	{	1298	{
		1299	top = ms.bot;
		1300
1243	/* If there are other objects, then */	1301	/* If there are other objects, then */
1244	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1302	if (top)
1245	{	1303	{
1246	object *last = 0;	1304	object *last = 0;
1247		1305
1248	/*	1306	/*
1249	* If there are multiple objects on this space, we do some trickier handling.	1307	* 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	1313	* 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	1314	* 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	1315	* when lots of spells are cast in one area. Currently, it is presumed
1258	* that flying non pickable objects are spell objects.	1316	* that flying non pickable objects are spell objects.
1259	*/	1317	*/
1260	while (top)	1318	for (top = ms.bot; top; top = top->above)
1261	{	1319	{
1262	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1320	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1263	floor = top;	1321	floor = top;
1264		1322
1265	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1323	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;	1326	top = top->below;
1269	break;	1327	break;
1270	}	1328	}
1271		1329
1272	last = top;	1330	last = top;
1273	top = top->above;
1274	}	1331	}
1275		1332
1276	/* Don't want top to be NULL, so set it to the last valid object */	1333	/* Don't want top to be NULL, so set it to the last valid object */
1277	top = last;	1334	top = last;
1278		1335
…		…
1280	* looks like instead of lots of conditions here.	1337	* looks like instead of lots of conditions here.
1281	* makes things faster, and effectively the same result.	1338	* makes things faster, and effectively the same result.
1282	*/	1339	*/
1283		1340
1284	/* Have object 'fall below' other objects that block view.	1341	/* Have object 'fall below' other objects that block view.
1285	* Unless those objects are exits, type 66	1342	* Unless those objects are exits.
1286	* If INS_ON_TOP is used, don't do this processing	1343	* If INS_ON_TOP is used, don't do this processing
1287	* Need to find the object that in fact blocks view, otherwise	1344	* Need to find the object that in fact blocks view, otherwise
1288	* stacking is a bit odd.	1345	* stacking is a bit odd.
1289	*/	1346	*/
1290	if (!(flag & INS_ON_TOP) &&	1347	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))	1348	&& ms.flags () & P_BLOCKSVIEW
		1349	&& (op->face && !faces [op->face].visibility))
1292	{	1350	{
1293	for (last = top; last != floor; last = last->below)	1351	for (last = top; last != floor; last = last->below)
1294	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1352	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1295	break;	1353	break;
		1354
1296	/* Check to see if we found the object that blocks view,	1355	/* Check to see if we found the object that blocks view,
1297	* and make sure we have a below pointer for it so that	1356	* and make sure we have a below pointer for it so that
1298	* we can get inserted below this one, which requires we	1357	* we can get inserted below this one, which requires we
1299	* set top to the object below us.	1358	* set top to the object below us.
1300	*/	1359	*/
1301	if (last && last->below && last != floor)	1360	if (last && last->below && last != floor)
1302	top = last->below;	1361	top = last->below;
1303	}	1362	}
1304	} /* If objects on this space */	1363	} /* If objects on this space */
1305		1364
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)	1365	if (flag & INS_ABOVE_FLOOR_ONLY)
1310	top = floor;	1366	top = floor;
1311		1367
1312	/* Top is the object that our object (op) is going to get inserted above.	1368	/* Top is the object that our object (op) is going to get inserted above.
1313	*/	1369	*/
1314		1370
1315	/* First object on this space */	1371	/* First object on this space */
1316	if (!top)	1372	if (!top)
1317	{	1373	{
1318	op->above = GET_MAP_OB (op->map, op->x, op->y);	1374	op->above = ms.bot;
1319		1375
1320	if (op->above)	1376	if (op->above)
1321	op->above->below = op;	1377	op->above->below = op;
1322		1378
1323	op->below = 0;	1379	op->below = 0;
1324	op->ms ().bot = op;	1380	ms.bot = op;
1325	}	1381	}
1326	else	1382	else
1327	{ /* get inserted into the stack above top */	1383	{ /* get inserted into the stack above top */
1328	op->above = top->above;	1384	op->above = top->above;
1329		1385
…		…
1333	op->below = top;	1389	op->below = top;
1334	top->above = op;	1390	top->above = op;
1335	}	1391	}
1336		1392
1337	if (!op->above)	1393	if (!op->above)
1338	op->ms ().top = op;	1394	ms.top = op;
1339	} /* else not INS_BELOW_ORIGINATOR */	1395	} /* else not INS_BELOW_ORIGINATOR */
1340		1396
1341	if (op->type == PLAYER)	1397	if (op->type == PLAYER)
1342	{	1398	{
1343	op->contr->do_los = 1;	1399	op->contr->do_los = 1;
…		…
1345	op->map->touch ();	1401	op->map->touch ();
1346	}	1402	}
1347		1403
1348	op->map->dirty = true;	1404	op->map->dirty = true;
1349		1405
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 ())	1406	if (object *pl = ms.player ())
1355	if (pl->contr->ns)
1356	pl->contr->ns->floorbox_update ();	1407	pl->contr->ns->floorbox_update ();
1357		1408
1358	/* If this object glows, it may affect lighting conditions that are	1409	/* If this object glows, it may affect lighting conditions that are
1359	* visible to others on this map. But update_all_los is really	1410	* 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	1411	* 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	1412	* on the map will get recalculated. The players could very well
…		…
1380	* blocked() and wall() work properly), and these flags are updated by	1431	* blocked() and wall() work properly), and these flags are updated by
1381	* update_object().	1432	* update_object().
1382	*/	1433	*/
1383		1434
1384	/* if this is not the head or flag has been passed, don't check walk on status */	1435	/* 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)	1436	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1386	{	1437	{
1387	if (check_move_on (op, originator))	1438	if (check_move_on (op, originator))
1388	return 0;	1439	return 0;
1389		1440
1390	/* If we are a multi part object, lets work our way through the check	1441	/* If we are a multi part object, lets work our way through the check
1391	* walk on's.	1442	* walk on's.
1392	*/	1443	*/
1393	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1444	for (object *tmp = op->more; tmp; tmp = tmp->more)
1394	if (check_move_on (tmp, originator))	1445	if (check_move_on (tmp, originator))
1395	return 0;	1446	return 0;
1396	}	1447	}
1397		1448
1398	return op;	1449	return op;
…		…
1403	* op is the object to insert it under: supplies x and the map.	1454	* op is the object to insert it under: supplies x and the map.
1404	*/	1455	*/
1405	void	1456	void
1406	replace_insert_ob_in_map (const char *arch_string, object *op)	1457	replace_insert_ob_in_map (const char *arch_string, object *op)
1407	{	1458	{
1408	object *tmp, *tmp1;
1409
1410	/* first search for itself and remove any old instances */	1459	/* first search for itself and remove any old instances */
1411		1460
1412	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1461	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1413	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1462	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1414	tmp->destroy ();	1463	tmp->destroy (1);
1415		1464
1416	tmp1 = arch_to_object (archetype::find (arch_string));	1465	object *tmp = arch_to_object (archetype::find (arch_string));
1417		1466
1418	tmp1->x = op->x;	1467	tmp->x = op->x;
1419	tmp1->y = op->y;	1468	tmp->y = op->y;
		1469
1420	insert_ob_in_map (tmp1, op->map, op, 0);	1470	insert_ob_in_map (tmp, op->map, op, 0);
1421	}	1471	}
1422		1472
1423	object *	1473	object *
1424	object::insert_at (object *where, object *originator, int flags)	1474	object::insert_at (object *where, object *originator, int flags)
1425	{	1475	{
		1476	if (where->env)
		1477	return where->env->insert (this);
		1478	else
1426	where->map->insert (this, where->x, where->y, originator, flags);	1479	return where->map->insert (this, where->x, where->y, originator, flags);
		1480	}
		1481
		1482	// find player who can see this object
		1483	static object *
		1484	visible_to (object *op)
		1485	{
		1486	if (!op->flag [FLAG_REMOVED])
		1487	{
		1488	// see if we are in a container of sorts
		1489	if (object *env = op->env)
		1490	{
		1491	// the player inventory itself is always visible
		1492	if (env->type == PLAYER)
		1493	return env;
		1494
		1495	// else a player could have our env open
		1496	env = env->outer_env ();
		1497
		1498	// the player itself is always on a map, so we will find him here
		1499	// even if our inv is in a player.
		1500	if (env->is_on_map ())
		1501	if (object *pl = env->ms ().player ())
		1502	if (pl->container == op->env)
		1503	return pl;
		1504	}
		1505	else
		1506	{
		1507	// maybe there is a player standing on the same mapspace
		1508	if (object *pl = env->ms ().player ())
		1509	return pl;
		1510	}
		1511	}
		1512
		1513	return 0;
		1514	}
		1515
		1516	/*
		1517	* decrease(object, number) decreases a specified number from
		1518	* the amount of an object. If the amount reaches 0, the object
		1519	* is subsequently removed and freed.
		1520	*
		1521	* Return value: 'op' if something is left, NULL if the amount reached 0
		1522	*/
		1523	bool
		1524	object::decrease (sint32 nr)
		1525	{
		1526	nr = min (nr, nrof);
		1527
		1528	if (!nr)
		1529	return 1;
		1530
		1531	nrof -= nr;
		1532
		1533	object *visible = visible_to (this);
		1534
		1535	if (nrof)
		1536	{
		1537	adjust_weight (env, -weight * nr); // carrying == 0
		1538
		1539	if (visible)
		1540	esrv_send_item (visible, this);
		1541
		1542	return 1;
		1543	}
		1544	else
		1545	{
		1546	if (visible)
		1547	esrv_del_item (visible->contr, count);
		1548
		1549	this->destroy (1);
		1550	return 0;
		1551	}
1427	}	1552	}
1428		1553
1429	/*	1554	/*
1430	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1555	* 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	1556	* is returned contains nr objects, and the remaining parts contains
1432	* the rest (or is removed and freed if that number is 0).	1557	* the rest (or is removed and freed if that number is 0).
1433	* On failure, NULL is returned, and the reason put into the	1558	* On failure, NULL is returned, and the reason put into the
1434	* global static errmsg array.	1559	* global static errmsg array.
1435	*/	1560	*/
1436	object *	1561	object *
		1562	object::split (sint32 nr)
		1563	{
		1564	if (nrof < nr)
		1565	return 0;
		1566	else if (nrof == nr)
		1567	{
		1568	remove ();
		1569	return this;
		1570	}
		1571	else
		1572	{
		1573	decrease (nr);
		1574
		1575	object *op = object_create_clone (this);
		1576	op->nrof = nr;
		1577	return op;
		1578	}
		1579	}
		1580
		1581	//TODO: remove, but semantics differs from split_nr
		1582	object *
1437	get_split_ob (object *orig_ob, uint32 nr)	1583	get_split_ob (object *orig_ob, uint32 nr)
1438	{	1584	{
1439	object *newob;
1440	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1441
1442	if (orig_ob->nrof < nr)	1585	if (orig_ob->nrof < nr)
1443	{	1586	{
1444	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1587	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
1471	* the amount of an object. If the amount reaches 0, the object
1472	* is subsequently removed and freed.
1473	*
1474	* Return value: 'op' if something is left, NULL if the amount reached 0
1475	*/
1476
1477	object *
1478	decrease_ob_nr (object *op, uint32 i)
1479	{
1480	object *tmp;
1481
1482	if (i == 0) /* objects with op->nrof require this check */
1483	return op;
1484
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	{
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 ();
1520	op->nrof = 0;
1521	if (tmp)
1522	esrv_del_item (tmp->contr, op->count);
1523	}
1524	}
1525	else
1526	{
1527	object *above = op->above;
1528
1529	if (i < op->nrof)
1530	op->nrof -= i;
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;
1550	else
1551	{
1552	op->destroy ();
1553	return 0;	1588	return 0;
1554	}	1589	}
1555	}
1556		1590
1557	/*	1591	return orig_ob->split (nr);
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	}
1573	}	1592	}
1574		1593
1575	object *	1594	object *
1576	insert_ob_in_ob (object *op, object *where)	1595	insert_ob_in_ob (object *op, object *where)
1577	{	1596	{
…		…
1581	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1600	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1582	free (dump);	1601	free (dump);
1583	return op;	1602	return op;
1584	}	1603	}
1585		1604
1586	if (where->head)	1605	if (where->head_ () != where)
1587	{	1606	{
1588	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1607	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1589	where = where->head;	1608	where = where->head;
1590	}	1609	}
1591		1610
1592	return where->insert (op);	1611	return where->insert (op);
1593	}	1612	}
…		…
1598	* inside the object environment.	1617	* inside the object environment.
1599	*	1618	*
1600	* The function returns now pointer to inserted item, and return value can	1619	* The function returns now pointer to inserted item, and return value can
1601	* be != op, if items are merged. -Tero	1620	* be != op, if items are merged. -Tero
1602	*/	1621	*/
1603
1604	object *	1622	object *
1605	object::insert (object *op)	1623	object::insert (object *op)
1606	{	1624	{
1607	object *tmp, *otmp;
1608
1609	if (!QUERY_FLAG (op, FLAG_REMOVED))
1610	op->remove ();
1611
1612	if (op->more)	1625	if (op->more)
1613	{	1626	{
1614	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1627	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1615	return op;	1628	return op;
1616	}	1629	}
1617		1630
1618	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1631	op->remove ();
1619	CLEAR_FLAG (op, FLAG_REMOVED);	1632
		1633	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1634
1620	if (op->nrof)	1635	if (op->nrof)
1621	{
1622	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1636	for (object *tmp = inv; tmp; tmp = tmp->below)
1623	if (object::can_merge (tmp, op))	1637	if (object::can_merge (tmp, op))
1624	{	1638	{
1625	/* return the original object and remove inserted object	1639	/* return the original object and remove inserted object
1626	(client needs the original object) */	1640	(client needs the original object) */
1627	tmp->nrof += op->nrof;	1641	tmp->nrof += op->nrof;
1628	/* Weight handling gets pretty funky. Since we are adding to	1642	op->destroy (1);
1629	* tmp->nrof, we need to increase the weight.
1630	*/
1631	add_weight (this, op->weight * op->nrof);
1632	SET_FLAG (op, FLAG_REMOVED);
1633	op->destroy (); /* free the inserted object */
1634	op = tmp;	1643	op = tmp;
1635	op->remove (); /* and fix old object's links */	1644	goto inserted;
1636	CLEAR_FLAG (op, FLAG_REMOVED);
1637	break;
1638	}	1645	}
1639		1646
1640	/* I assume combined objects have no inventory	1647	op->owner = 0; // it's his/hers now. period.
1641	* We add the weight - this object could have just been removed	1648	op->map = 0;
1642	* (if it was possible to merge). calling remove_ob will subtract	1649	op->x = 0;
1643	* the weight, so we need to add it in again, since we actually do	1650	op->y = 0;
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
1651	otmp = this->in_player ();	1652	op->above = 0;
1652	if (otmp && otmp->contr)	1653	op->below = inv;
		1654	op->env = this;
		1655
		1656	if (inv)
		1657	inv->above = op;
		1658
		1659	inv = op;
		1660
		1661	op->flag [FLAG_REMOVED] = 0;
		1662
		1663	adjust_weight (this, op->total_weight ());
		1664
		1665	inserted:
		1666	/* reset the light list and los of the players on the map */
		1667	if (op->glow_radius && map && map->darkness)
		1668	update_all_los (map, x, y);
		1669
		1670	if (object *otmp = in_player ())
1653	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1671	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1654	otmp->update_stats ();	1672	otmp->update_stats ();
1655
1656	op->map = 0;
1657	op->env = this;
1658	op->above = 0;
1659	op->below = 0;
1660	op->x = 0, op->y = 0;
1661
1662	/* reset the light list and los of the players on the map */
1663	if ((op->glow_radius != 0) && map)
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);
1670	}
1671
1672	/* Client has no idea of ordering so lets not bother ordering it here.
1673	* It sure simplifies this function...
1674	*/
1675	if (!inv)
1676	inv = op;
1677	else
1678	{
1679	op->below = inv;
1680	op->below->above = op;
1681	inv = op;
1682	}
1683		1673
1684	INVOKE_OBJECT (INSERT, this);	1674	INVOKE_OBJECT (INSERT, this);
1685		1675
1686	return op;	1676	return op;
1687	}	1677	}
…		…
1768	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1758	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))	1759	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1770	{	1760	{
1771		1761
1772	float	1762	float
1773	diff = tmp->move_slow_penalty * FABS (op->speed);	1763	diff = tmp->move_slow_penalty * fabs (op->speed);
1774		1764
1775	if (op->type == PLAYER)	1765	if (op->type == PLAYER)
1776	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1766	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)))	1767	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1778	diff /= 4.0;	1768	diff /= 4.0;
…		…
1902	* activate recursively a flag on an object inventory	1892	* activate recursively a flag on an object inventory
1903	*/	1893	*/
1904	void	1894	void
1905	flag_inv (object *op, int flag)	1895	flag_inv (object *op, int flag)
1906	{	1896	{
1907	if (op->inv)
1908	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1897	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1909	{	1898	{
1910	SET_FLAG (tmp, flag);	1899	SET_FLAG (tmp, flag);
1911	flag_inv (tmp, flag);	1900	flag_inv (tmp, flag);
1912	}	1901	}
1913	}	1902	}
1914		1903
1915	/*	1904	/*
1916	* deactivate recursively a flag on an object inventory	1905	* deactivate recursively a flag on an object inventory
1917	*/	1906	*/
1918	void	1907	void
1919	unflag_inv (object *op, int flag)	1908	unflag_inv (object *op, int flag)
1920	{	1909	{
1921	if (op->inv)
1922	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1910	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1923	{	1911	{
1924	CLEAR_FLAG (tmp, flag);	1912	CLEAR_FLAG (tmp, flag);
1925	unflag_inv (tmp, flag);	1913	unflag_inv (tmp, flag);
1926	}	1914	}
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	}	1915	}
1941		1916
1942	/*	1917	/*
1943	* find_free_spot(object, map, x, y, start, stop) will search for	1918	* 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	1919	* a spot at the given map and coordinates which will be able to contain
…		…
1946	* to search (see the freearr_x/y[] definition).	1921	* to search (see the freearr_x/y[] definition).
1947	* It returns a random choice among the alternatives found.	1922	* 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	1923	* 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	1924	* 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)	1925	* 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	1926	* Note: This function does correctly handle tiled maps, but does not
1955	* inform the caller. However, insert_ob_in_map will update as	1927	* inform the caller. However, insert_ob_in_map will update as
1956	* necessary, so the caller shouldn't need to do any special work.	1928	* 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	1929	* 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	1930	* 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	1931	* to know if the space in question will block the object. We can't use
…		…
1961	* customized, changed states, etc.	1933	* customized, changed states, etc.
1962	*/	1934	*/
1963	int	1935	int
1964	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1936	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1965	{	1937	{
		1938	int altern[SIZEOFFREE];
1966	int index = 0, flag;	1939	int index = 0, flag;
1967	int altern[SIZEOFFREE];
1968		1940
1969	for (int i = start; i < stop; i++)	1941	for (int i = start; i < stop; i++)
1970	{	1942	{
1971	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1943	mapxy pos (m, x, y); pos.move (i);
1972	if (!flag)	1944
		1945	if (!pos.normalise ())
		1946	continue;
		1947
		1948	mapspace &ms = *pos;
		1949
		1950	if (ms.flags () & P_IS_ALIVE)
		1951	continue;
		1952
		1953	/* However, often
		1954	* ob doesn't have any move type (when used to place exits)
		1955	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1956	*/
		1957	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1958	{
1973	altern [index++] = i;	1959	altern [index++] = i;
		1960	continue;
		1961	}
1974		1962
1975	/* Basically, if we find a wall on a space, we cut down the search size.	1963	/* 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.	1964	* 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 -	1965	* 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	1966	* 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	1967	* spaces in all the other directions, this will reduce the search space
1980	* to only the spaces immediately surrounding the target area, and	1968	* to only the spaces immediately surrounding the target area, and
1981	* won't look 2 spaces south of the target space.	1969	* won't look 2 spaces south of the target space.
1982	*/	1970	*/
1983	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1971	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1972	{
1984	stop = maxfree[i];	1973	stop = maxfree[i];
		1974	continue;
		1975	}
		1976
		1977	/* Note it is intentional that we check ob - the movement type of the
		1978	* head of the object should correspond for the entire object.
		1979	*/
		1980	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1981	continue;
		1982
		1983	if (ob->blocked (m, pos.x, pos.y))
		1984	continue;
		1985
		1986	altern [index++] = i;
1985	}	1987	}
1986		1988
1987	if (!index)	1989	if (!index)
1988	return -1;	1990	return -1;
1989		1991
1990	return altern[RANDOM () % index];	1992	return altern [rndm (index)];
1991	}	1993	}
1992		1994
1993	/*	1995	/*
1994	* find_first_free_spot(archetype, maptile, x, y) works like	1996	* find_first_free_spot(archetype, maptile, x, y) works like
1995	* find_free_spot(), but it will search max number of squares.	1997	* find_free_spot(), but it will search max number of squares.
…		…
1998	*/	2000	*/
1999	int	2001	int
2000	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2002	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2001	{	2003	{
2002	for (int i = 0; i < SIZEOFFREE; i++)	2004	for (int i = 0; i < SIZEOFFREE; i++)
2003	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2005	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2004	return i;	2006	return i;
2005		2007
2006	return -1;	2008	return -1;
2007	}	2009	}
2008		2010
…		…
2016	{	2018	{
2017	arr += begin;	2019	arr += begin;
2018	end -= begin;	2020	end -= begin;
2019		2021
2020	while (--end)	2022	while (--end)
2021	swap (arr [end], arr [RANDOM () % (end + 1)]);	2023	swap (arr [end], arr [rndm (end + 1)]);
2022	}	2024	}
2023		2025
2024	/* new function to make monster searching more efficient, and effective!	2026	/* new function to make monster searching more efficient, and effective!
2025	* This basically returns a randomized array (in the passed pointer) of	2027	* 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	2028	* the spaces to find monsters. In this way, it won't always look for
…		…
2062	object *tmp;	2064	object *tmp;
2063	maptile *mp;	2065	maptile *mp;
2064		2066
2065	MoveType blocked, move_type;	2067	MoveType blocked, move_type;
2066		2068
2067	if (exclude && exclude->head)	2069	if (exclude && exclude->head_ () != exclude)
2068	{	2070	{
2069	exclude = exclude->head;	2071	exclude = exclude->head;
2070	move_type = exclude->move_type;	2072	move_type = exclude->move_type;
2071	}	2073	}
2072	else	2074	else
…		…
2095	max = maxfree[i];	2097	max = maxfree[i];
2096	else if (mflags & P_IS_ALIVE)	2098	else if (mflags & P_IS_ALIVE)
2097	{	2099	{
2098	for (tmp = ms.bot; tmp; tmp = tmp->above)	2100	for (tmp = ms.bot; tmp; tmp = tmp->above)
2099	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2101	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2100	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2102	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2101	break;	2103	break;
2102		2104
2103	if (tmp)	2105	if (tmp)
2104	return freedir[i];	2106	return freedir[i];
2105	}	2107	}
…		…
2160		2162
2161	return 3;	2163	return 3;
2162	}	2164	}
2163		2165
2164	/*	2166	/*
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	2167	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2184	* between two directions (which are expected to be absolute (see absdir())	2168	* between two directions (which are expected to be absolute (see absdir())
2185	*/	2169	*/
2186
2187	int	2170	int
2188	dirdiff (int dir1, int dir2)	2171	dirdiff (int dir1, int dir2)
2189	{	2172	{
2190	int d;	2173	int d;
2191		2174
…		…
2304	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2287	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2305	* core dumps if they do.	2288	* core dumps if they do.
2306	*	2289	*
2307	* Add a check so we can't pick up invisible objects (0.93.8)	2290	* Add a check so we can't pick up invisible objects (0.93.8)
2308	*/	2291	*/
2309
2310	int	2292	int
2311	can_pick (const object *who, const object *item)	2293	can_pick (const object *who, const object *item)
2312	{	2294	{
2313	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2295	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2314	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2296	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2319	* create clone from object to another	2301	* create clone from object to another
2320	*/	2302	*/
2321	object *	2303	object *
2322	object_create_clone (object *asrc)	2304	object_create_clone (object *asrc)
2323	{	2305	{
2324	object *dst = 0, *tmp, *src, *part, *prev, *item;	2306	object *dst = 0, *tmp, *src, *prev, *item;
2325		2307
2326	if (!asrc)	2308	if (!asrc)
2327	return 0;	2309	return 0;
2328		2310
2329	src = asrc;
2330	if (src->head)
2331	src = src->head;	2311	src = asrc->head_ ();
2332		2312
2333	prev = 0;	2313	prev = 0;
2334	for (part = src; part; part = part->more)	2314	for (object *part = src; part; part = part->more)
2335	{	2315	{
2336	tmp = part->clone ();	2316	tmp = part->clone ();
2337	tmp->x -= src->x;	2317	tmp->x -= src->x;
2338	tmp->y -= src->y;	2318	tmp->y -= src->y;
2339		2319
…		…
2355		2335
2356	for (item = src->inv; item; item = item->below)	2336	for (item = src->inv; item; item = item->below)
2357	insert_ob_in_ob (object_create_clone (item), dst);	2337	insert_ob_in_ob (object_create_clone (item), dst);
2358		2338
2359	return dst;	2339	return dst;
2360	}
2361
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	}	2340	}
2399		2341
2400	/* This returns the first object in who's inventory that	2342	/* This returns the first object in who's inventory that
2401	* has the same type and subtype match.	2343	* has the same type and subtype match.
2402	* returns NULL if no match.	2344	* returns NULL if no match.
…		…
2457	if (link->key == canonical_key)	2399	if (link->key == canonical_key)
2458	return link->value;	2400	return link->value;
2459		2401
2460	return 0;	2402	return 0;
2461	}	2403	}
2462
2463		2404
2464	/*	2405	/*
2465	* Updates the canonical_key in op to value.	2406	* Updates the canonical_key in op to value.
2466	*	2407	*
2467	* canonical_key is a shared string (value doesn't have to be).	2408	* canonical_key is a shared string (value doesn't have to be).
…		…
2491	/* Basically, if the archetype has this key set,	2432	/* Basically, if the archetype has this key set,
2492	* we need to store the null value so when we save	2433	* we need to store the null value so when we save
2493	* it, we save the empty value so that when we load,	2434	* it, we save the empty value so that when we load,
2494	* we get this value back again.	2435	* we get this value back again.
2495	*/	2436	*/
2496	if (get_ob_key_link (&op->arch->clone, canonical_key))	2437	if (get_ob_key_link (op->arch, canonical_key))
2497	field->value = 0;	2438	field->value = 0;
2498	else	2439	else
2499	{	2440	{
2500	if (last)	2441	if (last)
2501	last->next = field->next;	2442	last->next = field->next;
…		…
2570	}	2511	}
2571	else	2512	else
2572	item = item->env;	2513	item = item->env;
2573	}	2514	}
2574		2515
2575
2576	const char *	2516	const char *
2577	object::flag_desc (char *desc, int len) const	2517	object::flag_desc (char *desc, int len) const
2578	{	2518	{
2579	char *p = desc;	2519	char *p = desc;
2580	bool first = true;	2520	bool first = true;
…		…
2607	{	2547	{
2608	char flagdesc[512];	2548	char flagdesc[512];
2609	char info2[256 * 4];	2549	char info2[256 * 4];
2610	char *p = info;	2550	char *p = info;
2611		2551
2612	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",	2552	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2613	count, uuid.seq,	2553	count,
		2554	uuid.c_str (),
2614	&name,	2555	&name,
2615	title ? "\",title:" : "",	2556	title ? "\",title:\"" : "",
2616	title ? (const char *)title : "",	2557	title ? (const char *)title : "",
2617	flag_desc (flagdesc, 512), type);	2558	flag_desc (flagdesc, 512), type);
2618		2559
2619	if (env)	2560	if (!this->flag[FLAG_REMOVED] && env)
2620	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2561	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2621		2562
2622	if (map)	2563	if (map)
2623	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2564	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2624		2565
…		…
2626	}	2567	}
2627		2568
2628	const char *	2569	const char *
2629	object::debug_desc () const	2570	object::debug_desc () const
2630	{	2571	{
2631	static char info[256 * 4];	2572	static char info[3][256 * 4];
		2573	static int info_idx;
		2574
2632	return debug_desc (info);	2575	return debug_desc (info [++info_idx % 3]);
2633	}	2576	}
2634		2577
		2578	struct region *
		2579	object::region () const
		2580	{
		2581	return map ? map->region (x, y)
		2582	: region::default_region ();
		2583	}
		2584
		2585	const materialtype_t *
		2586	object::dominant_material () const
		2587	{
		2588	if (materialtype_t *mt = name_to_material (materialname))
		2589	return mt;
		2590
		2591	return name_to_material (shstr_unknown);
		2592	}
		2593
		2594	void
		2595	object::open_container (object *new_container)
		2596	{
		2597	if (container == new_container)
		2598	return;
		2599
		2600	if (object *old_container = container)
		2601	{
		2602	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2603	return;
		2604
		2605	#if 0
		2606	// remove the "Close old_container" object.
		2607	if (object *closer = old_container->inv)
		2608	if (closer->type == CLOSE_CON)
		2609	closer->destroy ();
		2610	#endif
		2611
		2612	old_container->flag [FLAG_APPLIED] = 0;
		2613	container = 0;
		2614
		2615	esrv_update_item (UPD_FLAGS, this, old_container);
		2616	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2617	play_sound (sound_find ("chest_close"));
		2618	}
		2619
		2620	if (new_container)
		2621	{
		2622	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2623	return;
		2624
		2625	// TODO: this does not seem to serve any purpose anymore?
		2626	#if 0
		2627	// insert the "Close Container" object.
		2628	if (archetype *closer = new_container->other_arch)
		2629	{
		2630	object *closer = arch_to_object (new_container->other_arch);
		2631	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2632	new_container->insert (closer);
		2633	}
		2634	#endif
		2635
		2636	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2637
		2638	new_container->flag [FLAG_APPLIED] = 1;
		2639	container = new_container;
		2640
		2641	esrv_update_item (UPD_FLAGS, this, new_container);
		2642	esrv_send_inventory (this, new_container);
		2643	play_sound (sound_find ("chest_open"));
		2644	}
		2645	}
		2646
		2647	object *
		2648	object::force_find (const shstr name)
		2649	{
		2650	/* cycle through his inventory to look for the MARK we want to
		2651	* place
		2652	*/
		2653	for (object *tmp = inv; tmp; tmp = tmp->below)
		2654	if (tmp->type == FORCE && tmp->slaying == name)
		2655	return splay (tmp);
		2656
		2657	return 0;
		2658	}
		2659
		2660	void
		2661	object::force_add (const shstr name, int duration)
		2662	{
		2663	if (object *force = force_find (name))
		2664	force->destroy ();
		2665
		2666	object *force = get_archetype (FORCE_NAME);
		2667
		2668	force->slaying = name;
		2669	force->stats.food = 1;
		2670	force->speed_left = -1.f;
		2671
		2672	force->set_speed (duration ? 1.f / duration : 0.f);
		2673	force->flag [FLAG_IS_USED_UP] = true;
		2674	force->flag [FLAG_APPLIED] = true;
		2675
		2676	insert (force);
		2677	}
		2678
		2679	void
		2680	object::play_sound (faceidx sound)
		2681	{
		2682	if (!sound)
		2683	return;
		2684
		2685	if (flag [FLAG_REMOVED])
		2686	return;
		2687
		2688	if (env)
		2689	{
		2690	if (object *pl = in_player ())
		2691	pl->contr->play_sound (sound);
		2692	}
		2693	else
		2694	map->play_sound (sound, x, y);
		2695	}
		2696

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