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Comparing deliantra/server/common/object.C (file contents):
Revision 1.54 by root, Fri Nov 17 19:40:53 2006 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 (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
8	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
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	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,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	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
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	24	#include <global.h>
28	#include <stdio.h>	25	#include <stdio.h>
29	#include <sys/types.h>	26	#include <sys/types.h>
30	#include <sys/uio.h>	27	#include <sys/uio.h>
31	#include <object.h>	28	#include <object.h>
32	#include <funcpoint.h>	29	#include <funcpoint.h>
		30	#include <sproto.h>
33	#include <loader.h>	31	#include <loader.h>
34		32
35	int nrofallocobjects = 0;	33	#include <bitset>
36	static UUID uuid;	34
		35	UUID UUID::cur;
		36	static uint64_t seq_next_save;
37	const uint64 UUID_SKIP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
38		38
39	object *active_objects; /* List of active objects that need to be processed */	39	objectvec objects;
		40	activevec actives;
40		41
41	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,
42	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
43	};	47	};
44	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,
45	-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
46	};	53	};
47	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,
48	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
49	};	59	};
50	int freedir[SIZEOFFREE] = {	60	int freedir[SIZEOFFREE] = {
51	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,
52	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
53	};	65	};
54		66
55	static void	67	static void
56	write_uuid (void)	68	write_uuid (uval64 skip, bool sync)
57	{	69	{
58	char filename1[MAX_BUF], filename2[MAX_BUF];	70	CALL_BEGIN (2);
59		71	CALL_ARG_SV (newSVval64 (skip));
60	sprintf (filename1, "%s/uuid", settings.localdir);	72	CALL_ARG_SV (boolSV (sync));
61	sprintf (filename2, "%s/uuid~", settings.localdir);	73	CALL_CALL ("cf::write_uuid", G_DISCARD);
62		74	CALL_END;
63	FILE *fp;
64
65	if (!(fp = fopen (filename2, "w")))
66	{
67	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
68	return;
69	}
70
71	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
72	fclose (fp);
73	rename (filename2, filename1);
74	}	75	}
75		76
76	static void	77	static void
77	read_uuid (void)	78	read_uuid (void)
78	{	79	{
79	char filename[MAX_BUF];	80	char filename[MAX_BUF];
80		81
81	sprintf (filename, "%s/uuid", settings.localdir);	82	sprintf (filename, "%s/uuid", settings.localdir);
82		83
		84	seq_next_save = 0;
		85
83	FILE *fp;	86	FILE *fp;
84		87
85	if (!(fp = fopen (filename, "r")))	88	if (!(fp = fopen (filename, "r")))
86	{	89	{
87	if (errno == ENOENT)	90	if (errno == ENOENT)
88	{	91	{
89	LOG (llevInfo, "RESET uid to 1\n");	92	LOG (llevInfo, "RESET uid to 1\n");
90	uuid.seq = 0;	93	UUID::cur.seq = 0;
91	write_uuid ();	94	write_uuid (UUID_GAP, true);
92	return;	95	return;
93	}	96	}
94		97
95	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	98	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
96	_exit (1);	99	_exit (1);
97	}	100	}
98		101
99	int version;	102	UUID::BUF buf;
100	unsigned long long uid;	103	buf[0] = 0;
101	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	104	fgets (buf, sizeof (buf), fp);
		105
		106	if (!UUID::cur.parse (buf))
102	{	107	{
103	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	108	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
104	_exit (1);	109	_exit (1);
105	}	110	}
106		111
107	uuid.seq = uid;
108	write_uuid ();
109	LOG (llevDebug, "read UID: %lld\n", uid);	112	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
		113
		114	write_uuid (UUID_GAP, true);
110	fclose (fp);	115	fclose (fp);
111	}	116	}
112		117
113	UUID	118	UUID
114	gen_uuid ()	119	UUID::gen ()
115	{	120	{
116	UUID uid;	121	UUID uid;
117		122
118	uid.seq = ++uuid.seq;	123	uid.seq = ++cur.seq;
119		124
120	if (!(uuid.seq & (UUID_SKIP - 1)))	125	if (expect_false (cur.seq >= seq_next_save))
121	write_uuid ();	126	{
		127	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		128	write_uuid (UUID_GAP, false);
		129	}
		130
122		131
123	return uid;	132	return uid;
124	}	133	}
125		134
126	void	135	void
127	init_uuid ()	136	UUID::init ()
128	{	137	{
129	read_uuid ();	138	read_uuid ();
130	}	139	}
131		140
132	/* 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. */
133	static int	142	static bool
134	compare_ob_value_lists_one (const object *wants, const object *has)	143	compare_ob_value_lists_one (const object *wants, const object *has)
135	{	144	{
136	key_value *wants_field;	145	key_value *wants_field;
137		146
138	/* 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
139	* objects with lists are rare, and lists stay short. If not, use a	148	* objects with lists are rare, and lists stay short. If not, use a
140	* different structure or at least keep the lists sorted...	149	* different structure or at least keep the lists sorted...
141	*/	150	*/
142		151
143	/* For each field in wants, */	152	/* For each field in wants, */
144	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	153	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
145	{	154	{
146	key_value *has_field;	155	key_value *has_field;
147		156
148	/* Look for a field in has with the same key. */	157	/* Look for a field in has with the same key. */
149	has_field = get_ob_key_link (has, wants_field->key);	158	has_field = get_ob_key_link (has, wants_field->key);
150		159
151	if (has_field == NULL)	160	if (!has_field)
152	{
153	/* No field with that name. */	161	return 0; /* No field with that name. */
154	return FALSE;
155	}
156		162
157	/* Found the matching field. */	163	/* Found the matching field. */
158	if (has_field->value != wants_field->value)	164	if (has_field->value != wants_field->value)
159	{
160	/* 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. */
161	return FALSE;
162	}
163		166
164	/* 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. */
165	}	168	}
166		169
167	/* 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. */
168	return TRUE;	171	return 1;
169	}	172	}
170		173
171	/* Returns TRUE if ob1 has the same key_values as ob2. */	174	/* Returns TRUE if ob1 has the same key_values as ob2. */
172	static int	175	static bool
173	compare_ob_value_lists (const object *ob1, const object *ob2)	176	compare_ob_value_lists (const object *ob1, const object *ob2)
174	{	177	{
175	/* 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,
176	* so we need to run the comparison *twice*. :(	179	* so we need to run the comparison *twice*. :(
177	*/	180	*/
…		…
183	*	186	*
184	* Note that this function appears a lot longer than the macro it	187	* Note that this function appears a lot longer than the macro it
185	* replaces - this is mostly for clarity - a decent compiler should hopefully	188	* replaces - this is mostly for clarity - a decent compiler should hopefully
186	* reduce this to the same efficiency.	189	* reduce this to the same efficiency.
187	*	190	*
188	* Check nrof variable *before* calling CAN_MERGE()	191	* Check nrof variable *before* calling can_merge()
189	*	192	*
190	* Improvements made with merge: Better checking on potion, and also	193	* Improvements made with merge: Better checking on potion, and also
191	* check weight	194	* check weight
192	*/	195	*/
193
194	bool object::can_merge (object *ob1, object *ob2)	196	bool object::can_merge_slow (object *ob1, object *ob2)
195	{	197	{
196	/* A couple quicksanity checks */	198	/* A couple quicksanity checks */
197	if ((ob1 == ob2) || (ob1->type != ob2->type))	199	if (ob1 == ob2
		200	|| ob1->type != ob2->type
		201	|| ob1->speed != ob2->speed
		202	|| ob1->value != ob2->value
		203	|| ob1->name != ob2->name)
198	return 0;	204	return 0;
199		205
200	if (ob1->speed != ob2->speed)	206	/* Do not merge objects if nrof would overflow. First part checks
		207	* for unsigned overflow (2c), second part checks whether the result
		208	* would fit into a 32 bit signed int, which is often used to hold
		209	* nrof values.
		210	*/
		211	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
201	return 0;	212	return 0;
202		213
203	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
204	* value could not be stored in a sint32 (which unfortunately sometimes is
205	* used to store nrof).
206	*/
207	if (ob1->nrof + ob2->nrof >= 1UL << 31)
208	return 0;
209
210	/* If the objects have been identified, set the BEEN_APPLIED flag.	214	/* If the objects have been identified, set the BEEN_APPLIED flag.
211	* 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
212	* 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
213	* 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
214	* flags lose any meaning.	218	* flags lose any meaning.
215	*/	219	*/
216	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	220	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
217	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
218		222
219	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
220	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
221		225
222		226	if (ob1->arch->name != ob2->arch->name
223	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something
224	* being locked in inventory should prevent merging.
225	* 0x4 in flags3 is CLIENT_SENT
226	*/
227	if ((ob1->arch != ob2->arch) ||
228	(ob1->flags[0] != ob2->flags[0]) ||
229	(ob1->flags[1] != ob2->flags[1]) ||
230	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
231	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
232	(ob1->name != ob2->name) ||	227	|| ob1->name != ob2->name
233	(ob1->title != ob2->title) ||	228	|| ob1->title != ob2->title
234	(ob1->msg != ob2->msg) ||	229	|| ob1->msg != ob2->msg
235	(ob1->weight != ob2->weight) ||	230	|| ob1->weight != ob2->weight
236	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||
237	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||
238	(ob1->attacktype != ob2->attacktype) ||	231	|| ob1->attacktype != ob2->attacktype
239	(ob1->magic != ob2->magic) ||	232	|| ob1->magic != ob2->magic
240	(ob1->slaying != ob2->slaying) ||	233	|| ob1->slaying != ob2->slaying
241	(ob1->skill != ob2->skill) ||	234	|| ob1->skill != ob2->skill
242	(ob1->value != ob2->value) ||	235	|| ob1->value != ob2->value
243	(ob1->animation_id != ob2->animation_id) ||	236	|| ob1->animation_id != ob2->animation_id
244	(ob1->client_type != ob2->client_type) ||	237	|| ob1->client_type != ob2->client_type
245	(ob1->materialname != ob2->materialname) ||	238	|| ob1->materialname != ob2->materialname
246	(ob1->lore != ob2->lore) ||	239	|| ob1->lore != ob2->lore
247	(ob1->subtype != ob2->subtype) ||	240	|| ob1->subtype != ob2->subtype
248	(ob1->move_type != ob2->move_type) ||	241	|| ob1->move_type != ob2->move_type
249	(ob1->move_block != ob2->move_block) ||	242	|| ob1->move_block != ob2->move_block
250	(ob1->move_allow != ob2->move_allow) ||	243	|| ob1->move_allow != ob2->move_allow
251	(ob1->move_on != ob2->move_on) ||	244	|| ob1->move_on != ob2->move_on
252	(ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty))	245	|| ob1->move_off != ob2->move_off
		246	|| ob1->move_slow != ob2->move_slow
		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)))
253	return 0;	250	return 0;
254		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
255	/* This is really a spellbook check - really, we should	259	/* This is really a spellbook check - we should in general
256	* check all objects in the inventory.	260	* not merge objects with real inventories, as splitting them
		261	* is hard.
257	*/	262	*/
258	if (ob1->inv || ob2->inv)	263	if (ob1->inv || ob2->inv)
259	{	264	{
260	/* if one object has inventory but the other doesn't, not equiv */
261	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
262	return 0;
263
264	/* Now check to see if the two inventory objects could merge */
265	if (!CAN_MERGE (ob1->inv, ob2->inv))	265	if (!(ob1->inv && ob2->inv))
266	return 0;	266	return 0; /* inventories differ in length */
		267
		268	if (ob1->inv->below || ob2->inv->below)
		269	return 0; /* more than one object in inv */
		270
		271	if (!object::can_merge (ob1->inv, ob2->inv))
		272	return 0; /* inventory objects differ */
267		273
268	/* 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
269	* if it is valid.	275	* if it is valid.
270	*/	276	*/
271	}	277	}
…		…
279		285
280	/* Note sure why the following is the case - either the object has to	286	/* Note sure why the following is the case - either the object has to
281	* be animated or have a very low speed. Is this an attempted monster	287	* be animated or have a very low speed. Is this an attempted monster
282	* check?	288	* check?
283	*/	289	*/
284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	290	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
285	return 0;	291	return 0;
286		292
287	switch (ob1->type)	293	switch (ob1->type)
288	{	294	{
289	case SCROLL:	295	case SCROLL:
290	if (ob1->level != ob2->level)	296	if (ob1->level != ob2->level)
291	return 0;	297	return 0;
292	break;	298	break;
293	}	299	}
294		300
295	if (ob1->key_values != NULL || ob2->key_values != NULL)	301	if (ob1->key_values || ob2->key_values)
296	{	302	{
297	/* At least one of these has key_values. */	303	/* At least one of these has key_values. */
298	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	304	if ((!ob1->key_values) != (!ob2->key_values))
299	/* 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))
300	return 0;	308	return 0;
301	else if (!compare_ob_value_lists (ob1, ob2))
302	return 0;
303	}	309	}
304		310
305	//TODO: generate an event or call into perl for additional checks
306	if (ob1->self || ob2->self)	311	if (ob1->self || ob2->self)
307	{	312	{
308	ob1->optimise ();	313	ob1->optimise ();
309	ob2->optimise ();	314	ob2->optimise ();
310		315
311	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)
312	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	}
313	}	330	}
314		331
315	/* Everything passes, must be OK. */	332	/* Everything passes, must be OK. */
316	return 1;	333	return 1;
317	}	334	}
318		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
319	/*	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	/*
320	* sum_weight() is a recursive function which calculates the weight	362	* this is a recursive function which calculates the weight
321	* 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
322	* containers are carrying, and sums it up.	364	* containers are carrying, and sums it up.
323	*/	365	*/
324	long	366	void
325	sum_weight (object *op)	367	object::update_weight ()
326	{	368	{
327	long sum;	369	sint32 sum = 0;
328	object *inv;
329		370
330	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	371	for (object *op = inv; op; op = op->below)
331	{	372	{
332	if (inv->inv)	373	if (op->inv)
333	sum_weight (inv);	374	op->update_weight ();
334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
335	}
336		375
337	if (op->type == CONTAINER && op->stats.Str)	376	sum += op->total_weight ();
338	sum = (sum * (100 - op->stats.Str)) / 100;	377	}
339		378
340	if (op->carrying != sum)	379	carrying = weight_adjust (this, sum);
341	op->carrying = sum;
342
343	return sum;
344	}	380	}
345		381
346	/**	382	/*
347	* Return the outermost environment object for a given object.	383	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
348	*/	384	*/
349
350	object *
351	object_get_env_recursive (object *op)
352	{
353	while (op->env != NULL)
354	op = op->env;
355	return op;
356	}
357
358	/*
359	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
360	* a better check. We basically keeping traversing up until we can't
361	* or find a player.
362	*/
363
364	object *
365	is_player_inv (object *op)
366	{
367	for (; op != NULL && op->type != PLAYER; op = op->env)
368	if (op->env == op)
369	op->env = NULL;
370	return op;
371	}
372
373	/*
374	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
375	* Some error messages.
376	* The result of the dump is stored in the static global errmsg array.
377	*/
378
379	char *	385	char *
380	dump_object (object *op)	386	dump_object (object *op)
381	{	387	{
382	if (!op)	388	if (!op)
383	return strdup ("[NULLOBJ]");	389	return strdup ("[NULLOBJ]");
384		390
385	object_freezer freezer;	391	object_freezer freezer;
386	save_object (freezer, op, 3);	392	op->write (freezer);
387	return freezer.as_string ();	393	return freezer.as_string ();
388	}	394	}
389		395
390	/*	396	/*
391	* 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
392	* multi-object 1 which is closest to the second object.	398	* multi-object 1 which is closest to the second object.
393	* If it's not a multi-object, it is returned.	399	* If it's not a multi-object, it is returned.
394	*/	400	*/
395
396	object *	401	object *
397	get_nearest_part (object *op, const object *pl)	402	get_nearest_part (object *op, const object *pl)
398	{	403	{
399	object *tmp, *closest;	404	object *tmp, *closest;
400	int last_dist, i;	405	int last_dist, i;
401		406
402	if (op->more == NULL)	407	if (!op->more)
403	return op;	408	return op;
		409
404	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)
405	if ((i = distance (tmp, pl)) < last_dist)	413	if ((i = distance (tmp, pl)) < last_dist)
406	closest = tmp, last_dist = i;	414	closest = tmp, last_dist = i;
		415
407	return closest;	416	return closest;
408	}	417	}
409		418
410	/*	419	/*
411	* 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.
412	*/	422	*/
413
414	object *	423	object *
415	find_object (tag_t i)	424	find_object (tag_t i)
416	{	425	{
417	for (object *op = object::first; op; op = op->next)	426	for_all_objects (op)
418	if (op->count == i)	427	if (op->count == i)
419	return op;	428	return op;
420		429
421	return 0;	430	return 0;
422	}	431	}
423		432
424	/*	433	/*
425	* 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.
426	* Used only by the patch command, but not all that useful.	435	* Used only by the patch command, but not all that useful.
427	* Enables features like "patch <name-of-other-player> food 999"	436	* Enables features like "patch <name-of-other-player> food 999"
428	*/	437	*/
429
430	object *	438	object *
431	find_object_name (const char *str)	439	find_object_name (const char *str)
432	{	440	{
433	shstr_cmp str_ (str);	441	shstr_cmp str_ (str);
434	object *op;	442	object *op;
435		443
436	for (op = object::first; op != NULL; op = op->next)	444	for_all_objects (op)
437	if (op->name == str_)	445	if (op->name == str_)
438	break;	446	break;
439		447
440	return op;	448	return op;
441	}	449	}
442		450
443	void
444	free_all_object_data ()
445	{
446	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
447	}
448
449	/*	451	/*
450	* 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
451	* skill and experience objects.	453	* skill and experience objects.
		454	* ACTUALLY NO! investigate! TODO
452	*/	455	*/
453	void	456	void
454	object::set_owner (object *owner)	457	object::set_owner (object *owner)
455	{	458	{
		459	// allow objects which own objects
456	if (!owner)	460	if (owner)
457	return;
458
459	/* next line added to allow objects which own objects */
460	/* Add a check for ownercounts in here, as I got into an endless loop
461	* with the fireball owning a poison cloud which then owned the
462	* fireball. I believe that was caused by one of the objects getting
463	* freed and then another object replacing it. Since the ownercounts
464	* didn't match, this check is valid and I believe that cause is valid.
465	*/
466	while (owner->owner)	461	while (owner->owner)
467	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	}
468		469
469	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;
470	}	537	}
471		538
472	/* Zero the key_values on op, decrementing the shared-string	539	/* Zero the key_values on op, decrementing the shared-string
473	* refcounts and freeing the links.	540	* refcounts and freeing the links.
474	*/	541	*/
475	static void	542	static void
476	free_key_values (object *op)	543	free_key_values (object *op)
477	{	544	{
478	for (key_value *i = op->key_values; i != 0;)	545	for (key_value *i = op->key_values; i; )
479	{	546	{
480	key_value *next = i->next;	547	key_value *next = i->next;
481	delete i;	548	delete i;
482		549
483	i = next;	550	i = next;
484	}	551	}
485		552
486	op->key_values = 0;	553	op->key_values = 0;
487	}	554	}
488		555
489	void object::clear ()	556	object &
		557	object::operator =(const object &src)
490	{	558	{
491	attachable_base::clear ();	559	bool is_freed = flag [FLAG_FREED];
		560	bool is_removed = flag [FLAG_REMOVED];
492		561
493	free_key_values (this);	562	*(object_copy *)this = src;
494		563
495	owner = 0;	564	flag [FLAG_FREED] = is_freed;
496	name = 0;	565	flag [FLAG_REMOVED] = is_removed;
497	name_pl = 0;
498	title = 0;
499	race = 0;
500	slaying = 0;
501	skill = 0;
502	msg = 0;
503	lore = 0;
504	custom_name = 0;
505	materialname = 0;
506	contr = 0;
507	below = 0;
508	above = 0;
509	inv = 0;
510	container = 0;
511	env = 0;
512	more = 0;
513	head = 0;
514	map = 0;
515	active_next = 0;
516	active_prev = 0;
517
518	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
519
520	SET_FLAG (this, FLAG_REMOVED);
521
522	/* What is not cleared is next, prev, and count */
523
524	expmul = 1.0;
525	face = blank_face;
526
527	if (settings.casting_time)
528	casting_time = -1;
529	}
530
531	void object::clone (object *destination)
532	{
533	*(object_copy *)destination = *this;
534	*(object_pod *)destination = *this;
535
536	if (self || cb)
537	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
538	}
539
540	/*
541	* copy object first frees everything allocated by the second object,
542	* and then copies the contends of the first object into the second
543	* object, allocating what needs to be allocated. Basically, any
544	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
545	* if the first object is freed, the pointers in the new object
546	* will point at garbage.
547	*/
548	void
549	copy_object (object *op2, object *op)
550	{
551	bool is_freed = QUERY_FLAG (op, FLAG_FREED);
552	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
553
554	op2->clone (op);
555
556	if (is_freed)
557	SET_FLAG (op, FLAG_FREED);
558	if (is_removed)
559	SET_FLAG (op, FLAG_REMOVED);
560
561	if (op2->speed < 0)
562	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
563		566
564	/* Copy over key_values, if any. */	567	/* Copy over key_values, if any. */
565	if (op2->key_values)	568	if (src.key_values)
566	{	569	{
567	key_value *tail = 0;	570	key_value *tail = 0;
568	key_value *i;
569
570	op->key_values = 0;	571	key_values = 0;
571		572
572	for (i = op2->key_values; i; i = i->next)	573	for (key_value *i = src.key_values; i; i = i->next)
573	{	574	{
574	key_value *new_link = new key_value;	575	key_value *new_link = new key_value;
575		576
576	new_link->next = 0;	577	new_link->next = 0;
577	new_link->key = i->key;	578	new_link->key = i->key;
578	new_link->value = i->value;	579	new_link->value = i->value;
579		580
580	/* Try and be clever here, too. */	581	/* Try and be clever here, too. */
581	if (!op->key_values)	582	if (!key_values)
582	{	583	{
583	op->key_values = new_link;	584	key_values = new_link;
584	tail = new_link;	585	tail = new_link;
585	}	586	}
586	else	587	else
587	{	588	{
588	tail->next = new_link;	589	tail->next = new_link;
589	tail = new_link;	590	tail = new_link;
590	}	591	}
591	}	592	}
592	}	593	}
		594	}
593		595
594	update_ob_speed (op);	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 ();
		611
		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 ();
		632	}
		633
		634	object *
		635	object::clone ()
		636	{
		637	object *neu = create ();
		638	copy_to (neu);
		639	return neu;
595	}	640	}
596		641
597	/*	642	/*
598	* If an object with the IS_TURNABLE() flag needs to be turned due	643	* If an object with the IS_TURNABLE() flag needs to be turned due
599	* to the closest player being on the other side, this function can	644	* to the closest player being on the other side, this function can
600	* be called to update the face variable, _and_ how it looks on the map.	645	* be called to update the face variable, _and_ how it looks on the map.
601	*/	646	*/
602
603	void	647	void
604	update_turn_face (object *op)	648	update_turn_face (object *op)
605	{	649	{
606	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	650	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
607	return;	651	return;
		652
608	SET_ANIMATION (op, op->direction);	653	SET_ANIMATION (op, op->direction);
609	update_object (op, UP_OBJ_FACE);	654	update_object (op, UP_OBJ_FACE);
610	}	655	}
611		656
612	/*	657	/*
613	* Updates the speed of an object. If the speed changes from 0 to another	658	* Updates the speed of an object. If the speed changes from 0 to another
614	* value, or vice versa, then add/remove the object from the active list.	659	* value, or vice versa, then add/remove the object from the active list.
615	* This function needs to be called whenever the speed of an object changes.	660	* This function needs to be called whenever the speed of an object changes.
616	*/	661	*/
617	void	662	void
618	update_ob_speed (object *op)	663	object::set_speed (float speed)
619	{	664	{
620	extern int arch_init;	665	if (flag [FLAG_FREED] && speed)
621
622	/* No reason putting the archetypes objects on the speed list,
623	* since they never really need to be updated.
624	*/
625
626	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
627	{	666	{
628	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	667	LOG (llevError, "Object %s is freed but has speed.\n", &name);
629	#ifdef MANY_CORES
630	abort ();
631	#else
632	op->speed = 0;	668	speed = 0;
633	#endif
634	}
635
636	if (arch_init)
637	return;
638
639	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
640	{	669	}
641	/* If already on active list, don't do anything */
642	if (op->active_next || op->active_prev || op == active_objects)
643	return;
644		670
645	/* process_events() expects us to insert the object at the beginning	671	this->speed = speed;
646	* of the list. */
647	op->active_next = active_objects;
648		672
649	if (op->active_next != NULL)	673	if (has_active_speed ())
650	op->active_next->active_prev = op;	674	activate ();
651
652	active_objects = op;
653	}
654	else	675	else
655	{	676	deactivate ();
656	/* If not on the active list, nothing needs to be done */
657	if (!op->active_next && !op->active_prev && op != active_objects)
658	return;
659
660	if (op->active_prev == NULL)
661	{
662	active_objects = op->active_next;
663
664	if (op->active_next != NULL)
665	op->active_next->active_prev = NULL;
666	}
667	else
668	{
669	op->active_prev->active_next = op->active_next;
670
671	if (op->active_next)
672	op->active_next->active_prev = op->active_prev;
673	}
674
675	op->active_next = NULL;
676	op->active_prev = NULL;
677	}
678	}	677	}
679		678
680	/* This function removes object 'op' from the list of active
681	* objects.
682	* This should only be used for style maps or other such
683	* reference maps where you don't want an object that isn't
684	* in play chewing up cpu time getting processed.
685	* The reverse of this is to call update_ob_speed, which
686	* will do the right thing based on the speed of the object.
687	*/
688	void
689	remove_from_active_list (object *op)
690	{
691	/* If not on the active list, nothing needs to be done */
692	if (!op->active_next && !op->active_prev && op != active_objects)
693	return;
694
695	if (op->active_prev == NULL)
696	{
697	active_objects = op->active_next;
698	if (op->active_next != NULL)
699	op->active_next->active_prev = NULL;
700	}
701	else
702	{
703	op->active_prev->active_next = op->active_next;
704	if (op->active_next)
705	op->active_next->active_prev = op->active_prev;
706	}
707	op->active_next = NULL;
708	op->active_prev = NULL;
709	}
710
711	/*	679	/*
712	* update_object() updates the array which represents the map.	680	* update_object() updates the the map.
713	* It takes into account invisible objects (and represent squares covered	681	* It takes into account invisible objects (and represent squares covered
714	* by invisible objects by whatever is below them (unless it's another	682	* by invisible objects by whatever is below them (unless it's another
715	* invisible object, etc...)	683	* invisible object, etc...)
716	* If the object being updated is beneath a player, the look-window	684	* If the object being updated is beneath a player, the look-window
717	* of that player is updated (this might be a suboptimal way of	685	* of that player is updated (this might be a suboptimal way of
718	* updating that window, though, since update_object() is called _often_)	686	* updating that window, though, since update_object() is called _often_)
719	*	687	*
720	* action is a hint of what the caller believes need to be done.	688	* action is a hint of what the caller believes need to be done.
721	* For example, if the only thing that has changed is the face (due to
722	* an animation), we don't need to call update_position until that actually
723	* comes into view of a player. OTOH, many other things, like addition/removal
724	* of walls or living creatures may need us to update the flags now.
725	* current action are:	689	* current action are:
726	* UP_OBJ_INSERT: op was inserted	690	* UP_OBJ_INSERT: op was inserted
727	* UP_OBJ_REMOVE: op was removed	691	* UP_OBJ_REMOVE: op was removed
728	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	692	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
729	* as that is easier than trying to look at what may have changed.	693	* as that is easier than trying to look at what may have changed.
730	* UP_OBJ_FACE: only the objects face has changed.	694	* UP_OBJ_FACE: only the objects face has changed.
731	*/	695	*/
732
733	void	696	void
734	update_object (object *op, int action)	697	update_object (object *op, int action)
735	{	698	{
736	int update_now = 0, flags;
737	MoveType move_on, move_off, move_block, move_slow;
738
739	if (op == NULL)	699	if (op == NULL)
740	{	700	{
741	/* this should never happen */	701	/* this should never happen */
742	LOG (llevDebug, "update_object() called for NULL object.\n");	702	LOG (llevDebug, "update_object() called for NULL object.\n");
743	return;	703	return;
744	}	704	}
745		705
746	if (op->env != NULL)	706	if (op->env)
747	{	707	{
748	/* Animation is currently handled by client, so nothing	708	/* Animation is currently handled by client, so nothing
749	* to do in this case.	709	* to do in this case.
750	*/	710	*/
751	return;	711	return;
…		…
756	*/	716	*/
757	if (!op->map || op->map->in_memory == MAP_SAVING)	717	if (!op->map || op->map->in_memory == MAP_SAVING)
758	return;	718	return;
759		719
760	/* make sure the object is within map boundaries */	720	/* make sure the object is within map boundaries */
761	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	721	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
762	{	722	{
763	LOG (llevError, "update_object() called for object out of map!\n");	723	LOG (llevError, "update_object() called for object out of map!\n");
764	#ifdef MANY_CORES	724	#ifdef MANY_CORES
765	abort ();	725	abort ();
766	#endif	726	#endif
767	return;	727	return;
768	}	728	}
769		729
770	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	730	mapspace &m = op->ms ();
771	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
772	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
773	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
774	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
775	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
776		731
		732	if (!(m.flags_ & P_UPTODATE))
		733	/* nop */;
777	if (action == UP_OBJ_INSERT)	734	else if (action == UP_OBJ_INSERT)
778	{	735	{
		736	// this is likely overkill, TODO: revisit (schmorp)
779	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	737	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
780	update_now = 1;
781
782	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	738	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
783	update_now = 1;	739	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
784		740	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		741	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
785	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	742	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
786	update_now = 1;
787
788	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
789	update_now = 1;
790
791	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
792	update_now = 1;
793
794	if ((move_on | op->move_on) != move_on)	743	|| (m.move_on | op->move_on ) != m.move_on
795	update_now = 1;
796
797	if ((move_off | op->move_off) != move_off)	744	|| (m.move_off | op->move_off ) != m.move_off
798	update_now = 1;	745	|| (m.move_slow | op->move_slow) != m.move_slow
799
800	/* This isn't perfect, but I don't expect a lot of objects to	746	/* This isn't perfect, but I don't expect a lot of objects to
801	* to have move_allow right now.	747	* to have move_allow right now.
802	*/	748	*/
803	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	749	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
804	update_now = 1;	750	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
805		751	m.flags_ = 0;
806	if ((move_slow | op->move_slow) != move_slow)
807	update_now = 1;
808	}	752	}
809	/* if the object is being removed, we can't make intelligent	753	/* if the object is being removed, we can't make intelligent
810	* decisions, because remove_ob can't really pass the object	754	* decisions, because remove_ob can't really pass the object
811	* that is being removed.	755	* that is being removed.
812	*/	756	*/
813	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	757	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
814	update_now = 1;	758	m.flags_ = 0;
815	else if (action == UP_OBJ_FACE)	759	else if (action == UP_OBJ_FACE)
816	/* Nothing to do for that case */ ;	760	/* Nothing to do for that case */ ;
817	else	761	else
818	LOG (llevError, "update_object called with invalid action: %d\n", action);	762	LOG (llevError, "update_object called with invalid action: %d\n", action);
819		763
820	if (update_now)
821	{
822	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
823	update_position (op->map, op->x, op->y);
824	}
825
826	if (op->more != NULL)	764	if (op->more)
827	update_object (op->more, action);	765	update_object (op->more, action);
828	}
829
830	object::vector object::mortals;
831	object::vector object::objects; // not yet used
832	object *object::first;
833
834	void object::free_mortals ()
835	{
836	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
837	if ((*i)->refcnt)
838	++i; // further delay freeing
839	else
840	{
841	delete *i;
842	mortals.erase (i);
843	}
844
845	static int lastmortals = 0;//D
846
847	if (mortals.size() != lastmortals && lastmortals > 100)//D
848	{
849	lastmortals = mortals.size ();//D
850	LOG (llevDebug, "%d objects in mortal queue\n", lastmortals);//D
851	}
852	}	766	}
853		767
854	object::object ()	768	object::object ()
855	{	769	{
856	SET_FLAG (this, FLAG_REMOVED);	770	SET_FLAG (this, FLAG_REMOVED);
…		…
859	face = blank_face;	773	face = blank_face;
860	}	774	}
861		775
862	object::~object ()	776	object::~object ()
863	{	777	{
		778	unlink ();
		779
864	free_key_values (this);	780	free_key_values (this);
865	}	781	}
866		782
		783	static int object_count;
		784
867	void object::link ()	785	void object::link ()
868	{	786	{
		787	assert (!index);//D
		788	uuid = UUID::gen ();
869	count = ++ob_count;	789	count = ++object_count;
870	uuid = gen_uuid ();
871		790
872	prev = 0;	791	refcnt_inc ();
873	next = object::first;	792	objects.insert (this);
874
875	if (object::first)
876	object::first->prev = this;
877
878	object::first = this;
879	}	793	}
880		794
881	void object::unlink ()	795	void object::unlink ()
882	{	796	{
883	if (this == object::first)	797	if (!index)
884	object::first = next;	798	return;
885		799
886	/* Remove this object from the list of used objects */	800	objects.erase (this);
887	if (prev) prev->next = next;	801	refcnt_dec ();
888	if (next) next->prev = prev;	802	}
889		803
890	prev = 0;	804	void
891	next = 0;	805	object::activate ()
		806	{
		807	/* If already on active list, don't do anything */
		808	if (active)
		809	return;
		810
		811	if (has_active_speed ())
		812	actives.insert (this);
		813	}
		814
		815	void
		816	object::activate_recursive ()
		817	{
		818	activate ();
		819
		820	for (object *op = inv; op; op = op->below)
		821	op->activate_recursive ();
		822	}
		823
		824	/* This function removes object 'op' from the list of active
		825	* objects.
		826	* This should only be used for style maps or other such
		827	* reference maps where you don't want an object that isn't
		828	* in play chewing up cpu time getting processed.
		829	* The reverse of this is to call update_ob_speed, which
		830	* will do the right thing based on the speed of the object.
		831	*/
		832	void
		833	object::deactivate ()
		834	{
		835	/* If not on the active list, nothing needs to be done */
		836	if (!active)
		837	return;
		838
		839	actives.erase (this);
		840	}
		841
		842	void
		843	object::deactivate_recursive ()
		844	{
		845	for (object *op = inv; op; op = op->below)
		846	op->deactivate_recursive ();
		847
		848	deactivate ();
		849	}
		850
		851	void
		852	object::set_flag_inv (int flag, int value)
		853	{
		854	for (object *op = inv; op; op = op->below)
		855	{
		856	op->flag [flag] = value;
		857	op->set_flag_inv (flag, value);
		858	}
		859	}
		860
		861	/*
		862	* Remove and free all objects in the inventory of the given object.
		863	* object.c ?
		864	*/
		865	void
		866	object::destroy_inv (bool drop_to_ground)
		867	{
		868	// need to check first, because the checks below might segfault
		869	// as we might be on an invalid mapspace and crossfire code
		870	// is too buggy to ensure that the inventory is empty.
		871	// corollary: if you create arrows etc. with stuff in tis inventory,
		872	// cf will crash below with off-map x and y
		873	if (!inv)
		874	return;
		875
		876	/* Only if the space blocks everything do we not process -
		877	* if some form of movement is allowed, let objects
		878	* drop on that space.
		879	*/
		880	if (!drop_to_ground
		881	|| !map
		882	|| map->in_memory != MAP_ACTIVE
		883	|| map->nodrop
		884	|| ms ().move_block == MOVE_ALL)
		885	{
		886	while (inv)
		887	{
		888	inv->destroy_inv (drop_to_ground);
		889	inv->destroy ();
		890	}
		891	}
		892	else
		893	{ /* Put objects in inventory onto this space */
		894	while (inv)
		895	{
		896	object *op = inv;
		897
		898	if (op->flag [FLAG_STARTEQUIP]
		899	|| op->flag [FLAG_NO_DROP]
		900	|| op->type == RUNE
		901	|| op->type == TRAP
		902	|| op->flag [FLAG_IS_A_TEMPLATE]
		903	|| op->flag [FLAG_DESTROY_ON_DEATH])
		904	op->destroy ();
		905	else
		906	map->insert (op, x, y);
		907	}
		908	}
892	}	909	}
893		910
894	object *object::create ()	911	object *object::create ()
895	{	912	{
896	object *op = new object;	913	object *op = new object;
897	op->link ();	914	op->link ();
898	return op;	915	return op;
899	}	916	}
900		917
901	/*	918	void
902	* free_object() frees everything allocated by an object, removes	919	object::do_destroy ()
903	* it from the list of used objects, and puts it on the list of	920	{
904	* free objects. The IS_FREED() flag is set in the object.	921	attachable::do_destroy ();
905	* The object must have been removed by remove_ob() first for	922
906	* this function to succeed.	923	if (flag [FLAG_IS_LINKED])
907	*	924	remove_button_link (this);
908	* If destroy_inventory is set, free inventory as well. Else drop items in	925
909	* inventory to the ground.	926	if (flag [FLAG_FRIENDLY])
910	*/	927	remove_friendly_object (this);
		928
		929	if (!flag [FLAG_REMOVED])
		930	remove ();
		931
		932	destroy_inv (true);
		933
		934	deactivate ();
		935	unlink ();
		936
		937	flag [FLAG_FREED] = 1;
		938
		939	// hack to ensure that freed objects still have a valid map
		940	{
		941	static maptile *freed_map; // freed objects are moved here to avoid crashes
		942
		943	if (!freed_map)
		944	{
		945	freed_map = new maptile;
		946
		947	freed_map->path = "<freed objects map>";
		948	freed_map->name = "/internal/freed_objects_map";
		949	freed_map->width = 3;
		950	freed_map->height = 3;
		951	freed_map->nodrop = 1;
		952
		953	freed_map->alloc ();
		954	freed_map->in_memory = MAP_ACTIVE;
		955	}
		956
		957	map = freed_map;
		958	x = 1;
		959	y = 1;
		960	}
		961
		962	if (more)
		963	{
		964	more->destroy ();
		965	more = 0;
		966	}
		967
		968	head = 0;
		969
		970	// clear those pointers that likely might cause circular references
		971	owner = 0;
		972	enemy = 0;
		973	attacked_by = 0;
		974	current_weapon = 0;
		975	}
		976
		977	void
911	void object::destroy (bool destroy_inventory)	978	object::destroy (bool destroy_inventory)
912	{	979	{
913	if (QUERY_FLAG (this, FLAG_FREED))	980	if (destroyed ())
914	return;	981	return;
915		982
916	if (QUERY_FLAG (this, FLAG_FRIENDLY))	983	if (destroy_inventory)
917	remove_friendly_object (this);	984	destroy_inv (false);
918		985
919	if (!QUERY_FLAG (this, FLAG_REMOVED))	986	if (is_head ())
920	remove_ob (this);	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
921		991
922	SET_FLAG (this, FLAG_FREED);	992	attachable::destroy ();
923
924	if (more)
925	{
926	more->destroy (destroy_inventory);
927	more = 0;
928	}
929
930	if (inv)
931	{
932	/* Only if the space blocks everything do we not process -
933	* if some form of movement is allowed, let objects
934	* drop on that space.
935	*/
936	if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
937	{
938	object *op = inv;
939
940	while (op)
941	{
942	object *tmp = op->below;
943	op->destroy (destroy_inventory);
944	op = tmp;
945	}
946	}
947	else
948	{ /* Put objects in inventory onto this space */
949	object *op = inv;
950
951	while (op)
952	{
953	object *tmp = op->below;
954
955	remove_ob (op);
956
957	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
958	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
959	free_object (op);
960	else
961	{
962	op->x = x;
963	op->y = y;
964	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
965	}
966
967	op = tmp;
968	}
969	}
970	}
971
972	// clear those pointers that likely might have circular references to us
973	owner = 0;
974	enemy = 0;
975	attacked_by = 0;
976
977	// only relevant for players(?), but make sure of it anyways
978	contr = 0;
979
980	/* Remove object from the active list */
981	speed = 0;
982	update_ob_speed (this);
983
984	unlink ();
985
986	mortals.push_back (this);
987	}	993	}
988		994
989	/*	995	/* op->remove ():
990	* sub_weight() recursively (outwards) subtracts a number from the
991	* weight of an object (and what is carried by it's environment(s)).
992	*/
993
994	void
995	sub_weight (object *op, signed long weight)
996	{
997	while (op != NULL)
998	{
999	if (op->type == CONTAINER)
1000	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1001
1002	op->carrying -= weight;
1003	op = op->env;
1004	}
1005	}
1006
1007	/* remove_ob(op):
1008	* 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
1009	* 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
1010	* object will have no environment. If the object previously had an	998	* object will have no environment. If the object previously had an
1011	* environment, the x and y coordinates will be updated to	999	* environment, the x and y coordinates will be updated to
1012	* the previous environment.	1000	* the previous environment.
1013	* Beware: This function is called from the editor as well!
1014	*/	1001	*/
1015
1016	void	1002	void
1017	remove_ob (object *op)	1003	object::do_remove ()
1018	{	1004	{
1019	object *tmp, *last = 0;	1005	object *tmp, *last = 0;
1020	object *otmp;	1006	object *otmp;
1021		1007
1022	int check_walk_off;
1023	maptile *m;
1024
1025	sint16 x, y;
1026
1027	if (QUERY_FLAG (op, FLAG_REMOVED))	1008	if (QUERY_FLAG (this, FLAG_REMOVED))
1028	return;	1009	return;
1029		1010
1030	SET_FLAG (op, FLAG_REMOVED);	1011	SET_FLAG (this, FLAG_REMOVED);
		1012	INVOKE_OBJECT (REMOVE, this);
1031		1013
1032	if (op->more != NULL)	1014	if (more)
1033	remove_ob (op->more);	1015	more->remove ();
1034		1016
1035	/*	1017	/*
1036	* In this case, the object to be removed is in someones	1018	* In this case, the object to be removed is in someones
1037	* inventory.	1019	* inventory.
1038	*/	1020	*/
1039	if (op->env != NULL)	1021	if (env)
1040	{	1022	{
1041	if (op->nrof)	1023	adjust_weight (env, -total_weight ());
1042	sub_weight (op->env, op->weight * op->nrof);	1024
1043	else	1025	*(above ? &above->below : &env->inv) = below;
1044	sub_weight (op->env, op->weight + op->carrying);	1026
		1027	if (below)
		1028	below->above = above;
		1029
		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;
1045		1040
1046	/* 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
1047	* made to players inventory. If set, avoiding the call	1042	* made to players inventory. If set, avoiding the call
1048	* to save cpu time.	1043	* to save cpu time.
1049	*/	1044	*/
1050	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1045	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1051	fix_player (otmp);	1046	otmp->update_stats ();
		1047	}
		1048	else if (map)
		1049	{
		1050	if (type == PLAYER)
		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 ();
1052		1057
1053	if (op->above != NULL)	1058	--map->players;
		1059	map->touch ();
		1060	}
		1061
		1062	map->dirty = true;
		1063	mapspace &ms = this->ms ();
		1064
		1065	/* link the object above us */
		1066	if (above)
1054	op->above->below = op->below;	1067	above->below = below;
1055	else	1068	else
1056	op->env->inv = op->below;
1057
1058	if (op->below != NULL)
1059	op->below->above = op->above;
1060
1061	/* we set up values so that it could be inserted into
1062	* the map, but we don't actually do that - it is up
1063	* to the caller to decide what we want to do.
1064	*/
1065	op->x = op->env->x, op->y = op->env->y;
1066	op->map = op->env->map;
1067	op->above = NULL, op->below = NULL;
1068	op->env = NULL;
1069	}
1070	else if (op->map)
1071	{
1072	x = op->x;
1073	y = op->y;
1074	m = get_map_from_coord (op->map, &x, &y);
1075
1076	if (!m)
1077	{
1078	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1079	op->map->path, op->x, op->y);
1080	/* in old days, we used to set x and y to 0 and continue.
1081	* it seems if we get into this case, something is probablye
1082	* screwed up and should be fixed.
1083	*/
1084	abort ();
1085	}
1086
1087	if (op->map != m)
1088	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1089	op->map->path, m->path, op->x, op->y, x, y);
1090
1091	/* Re did the following section of code - it looks like it had
1092	* lots of logic for things we no longer care about
1093	*/
1094
1095	/* link the object above us */
1096	if (op->above)
1097	op->above->below = op->below;
1098	else
1099	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1069	ms.top = below; /* we were top, set new top */
1100		1070
1101	/* Relink the object below us, if there is one */	1071	/* Relink the object below us, if there is one */
1102	if (op->below)	1072	if (below)
1103	op->below->above = op->above;	1073	below->above = above;
1104	else	1074	else
1105	{	1075	{
1106	/* 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
1107	* use translated coordinates in case some oddness with map tiling is	1077	* use translated coordinates in case some oddness with map tiling is
1108	* evident	1078	* evident
1109	*/	1079	*/
1110	if (GET_MAP_OB (m, x, y) != op)	1080	if (GET_MAP_OB (map, x, y) != this)
1111	{
1112	char *dump = dump_object (op);
1113	LOG (llevError,
1114	"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 ());
1115	free (dump);	1082
1116	dump = dump_object (GET_MAP_OB (m, x, y));	1083	ms.bot = above; /* goes on above it. */
1117	LOG (llevError, "%s\n", dump);
1118	free (dump);
1119	}	1084	}
1120		1085
1121	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1122	}
1123
1124	op->above = 0;	1086	above = 0;
1125	op->below = 0;	1087	below = 0;
1126		1088
1127	if (op->map->in_memory == MAP_SAVING)	1089	if (map->in_memory == MAP_SAVING)
1128	return;	1090	return;
1129		1091
1130	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);	1092	int check_walk_off = !flag [FLAG_NO_APPLY];
1131		1093
1132	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	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
		1106	for (tmp = ms.bot; tmp; tmp = tmp->above)
1133	{	1107	{
1134	/* 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
1135	* being removed.	1109	* being removed.
1136	*/	1110	*/
1137		1111
1138	if (tmp->type == PLAYER && tmp != op)	1112	/* See if object moving off should effect something */
		1113	if (check_walk_off
		1114	&& ((move_type & tmp->move_off)
		1115	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1139	{	1116	{
1140	/* If a container that the player is currently using somehow gets
1141	* removed (most likely destroyed), update the player view
1142	* appropriately.
1143	*/
1144	if (tmp->container == op)
1145	{
1146	CLEAR_FLAG (op, FLAG_APPLIED);
1147	tmp->container = NULL;
1148	}
1149
1150	tmp->contr->socket.update_look = 1;
1151	}
1152
1153	/* See if player moving off should effect something */
1154	if (check_walk_off
1155	&& ((op->move_type & tmp->move_off)
1156	&& (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1157	{
1158	move_apply (tmp, op, NULL);	1117	move_apply (tmp, this, 0);
1159		1118
1160	if (op->destroyed ())	1119	if (destroyed ())
1161	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 ());
1162	}	1121	}
1163		1122
1164	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1165
1166	if (tmp->above == tmp)
1167	tmp->above = NULL;
1168
1169	last = tmp;	1123	last = tmp;
1170	}	1124	}
1171		1125
1172	/* last == NULL of there are no objects on this space */	1126	/* last == NULL if there are no objects on this space */
		1127	//TODO: this makes little sense, why only update the topmost object?
1173	if (last == NULL)	1128	if (!last)
1174	{	1129	map->at (x, y).flags_ = 0;
1175	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1176	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1177	* those out anyways, and if there are any flags set right now, they won't
1178	* be correct anyways.
1179	*/
1180	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1181	update_position (op->map, op->x, op->y);
1182	}
1183	else	1130	else
1184	update_object (last, UP_OBJ_REMOVE);	1131	update_object (last, UP_OBJ_REMOVE);
1185		1132
1186	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1133	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1187	update_all_los (op->map, op->x, op->y);	1134	update_all_los (map, x, y);
1188	}	1135	}
1189	}	1136	}
1190		1137
1191	/*	1138	/*
1192	* merge_ob(op,top):	1139	* merge_ob(op,top):
…		…
1200	merge_ob (object *op, object *top)	1147	merge_ob (object *op, object *top)
1201	{	1148	{
1202	if (!op->nrof)	1149	if (!op->nrof)
1203	return 0;	1150	return 0;
1204		1151
1205	if (top == NULL)	1152	if (!top)
1206	for (top = op; top != NULL && top->above != NULL; top = top->above);	1153	for (top = op; top && top->above; top = top->above)
		1154	;
1207		1155
1208	for (; top != NULL; top = top->below)	1156	for (; top; top = top->below)
1209	{	1157	{
1210	if (top == op)	1158	if (top == op)
1211	continue;	1159	continue;
1212	if (CAN_MERGE (op, top))	1160
		1161	if (object::can_merge (op, top))
1213	{	1162	{
1214	top->nrof += op->nrof;	1163	top->nrof += op->nrof;
1215		1164
1216	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1165	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1217	op->weight = 0; /* Don't want any adjustements now */	1166	op->weight = 0; /* Don't want any adjustements now */
1218	remove_ob (op);	1167	op->destroy ();
1219	free_object (op);
1220	return top;	1168	return top;
1221	}	1169	}
1222	}	1170	}
1223		1171
1224	return 0;	1172	return 0;
1225	}	1173	}
1226		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
1227	/*	1198	/*
1228	* 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
1229	* job preparing multi-part monsters	1200	* job preparing multi-part monsters.
1230	*/	1201	*/
1231	object *	1202	object *
1232	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)
1233	{	1204	{
1234	object *tmp;
1235
1236	if (op->head)
1237	op = op->head;
1238
1239	for (tmp = op; tmp; tmp = tmp->more)	1205	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1240	{	1206	{
1241	tmp->x = x + tmp->arch->clone.x;	1207	tmp->x = x + tmp->arch->x;
1242	tmp->y = y + tmp->arch->clone.y;	1208	tmp->y = y + tmp->arch->y;
1243	}	1209	}
1244		1210
1245	return insert_ob_in_map (op, m, originator, flag);	1211	return insert_ob_in_map (op, m, originator, flag);
1246	}	1212	}
1247		1213
…		…
1263	* Return value:	1229	* Return value:
1264	* new object if 'op' was merged with other object	1230	* new object if 'op' was merged with other object
1265	* NULL if 'op' was destroyed	1231	* NULL if 'op' was destroyed
1266	* just 'op' otherwise	1232	* just 'op' otherwise
1267	*/	1233	*/
1268
1269	object *	1234	object *
1270	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)
1271	{	1236	{
		1237	assert (!op->flag [FLAG_FREED]);
		1238
1272	object *tmp, *top, *floor = NULL;	1239	object *top, *floor = NULL;
1273	sint16 x, y;
1274		1240
1275	if (QUERY_FLAG (op, FLAG_FREED))	1241	op->remove ();
1276	{
1277	LOG (llevError, "Trying to insert freed object!\n");
1278	return NULL;
1279	}
1280
1281	if (m == NULL)
1282	{
1283	char *dump = dump_object (op);
1284	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1285	free (dump);
1286	return op;
1287	}
1288
1289	if (out_of_map (m, op->x, op->y))
1290	{
1291	char *dump = dump_object (op);
1292	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1293	#ifdef MANY_CORES
1294	/* Better to catch this here, as otherwise the next use of this object
1295	* is likely to cause a crash. Better to find out where it is getting
1296	* improperly inserted.
1297	*/
1298	abort ();
1299	#endif
1300	free (dump);
1301	return op;
1302	}
1303
1304	if (!QUERY_FLAG (op, FLAG_REMOVED))
1305	{
1306	char *dump = dump_object (op);
1307	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1308	free (dump);
1309	return op;
1310	}
1311
1312	if (op->more != NULL)
1313	{
1314	/* The part may be on a different map. */
1315
1316	object *more = op->more;
1317
1318	/* We really need the caller to normalize coordinates - if
1319	* we set the map, that doesn't work if the location is within
1320	* a map and this is straddling an edge. So only if coordinate
1321	* is clear wrong do we normalize it.
1322	*/
1323	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1324	more->map = get_map_from_coord (m, &more->x, &more->y);
1325	else if (!more->map)
1326	{
1327	/* For backwards compatibility - when not dealing with tiled maps,
1328	* more->map should always point to the parent.
1329	*/
1330	more->map = m;
1331	}
1332
1333	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1334	{
1335	if (!op->head)
1336	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1337
1338	return NULL;
1339	}
1340	}
1341
1342	CLEAR_FLAG (op, FLAG_REMOVED);
1343		1242
1344	/* Ideally, the caller figures this out. However, it complicates a lot	1243	/* Ideally, the caller figures this out. However, it complicates a lot
1345	* 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
1346	* need extra work	1245	* need extra work
1347	*/	1246	*/
1348	op->map = get_map_from_coord (m, &op->x, &op->y);	1247	if (!xy_normalise (m, op->x, op->y))
1349	x = op->x;	1248	{
1350	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 ();
1351		1261
1352	/* this has to be done after we translate the coordinates.	1262	/* this has to be done after we translate the coordinates.
1353	*/	1263	*/
1354	if (op->nrof && !(flag & INS_NO_MERGE))	1264	if (op->nrof && !(flag & INS_NO_MERGE))
1355	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1265	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1356	if (CAN_MERGE (op, tmp))	1266	if (object::can_merge (op, tmp))
1357	{	1267	{
1358	op->nrof += tmp->nrof;	1268	op->nrof += tmp->nrof;
1359	remove_ob (tmp);	1269	tmp->destroy (1);
1360	free_object (tmp);
1361	}	1270	}
1362		1271
1363	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 */
1364	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1273	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1365		1274
…		…
1378	op->below = originator->below;	1287	op->below = originator->below;
1379		1288
1380	if (op->below)	1289	if (op->below)
1381	op->below->above = op;	1290	op->below->above = op;
1382	else	1291	else
1383	SET_MAP_OB (op->map, op->x, op->y, op);	1292	ms.bot = op;
1384		1293
1385	/* since *below* originator, no need to update top */	1294	/* since *below* originator, no need to update top */
1386	originator->below = op;	1295	originator->below = op;
1387	}	1296	}
1388	else	1297	else
1389	{	1298	{
		1299	top = ms.bot;
		1300
1390	/* If there are other objects, then */	1301	/* If there are other objects, then */
1391	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1302	if (top)
1392	{	1303	{
1393	object *last = NULL;	1304	object *last = 0;
1394		1305
1395	/*	1306	/*
1396	* 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.
1397	* We've already dealt with merging if appropriate.	1308	* We've already dealt with merging if appropriate.
1398	* Generally, we want to put the new object on top. But if	1309	* Generally, we want to put the new object on top. But if
…		…
1402	* 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
1403	* 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
1404	* 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
1405	* that flying non pickable objects are spell objects.	1316	* that flying non pickable objects are spell objects.
1406	*/	1317	*/
1407		1318	for (top = ms.bot; top; top = top->above)
1408	while (top != NULL)
1409	{	1319	{
1410	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))
1411	floor = top;	1321	floor = top;
1412		1322
1413	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))
…		…
1416	top = top->below;	1326	top = top->below;
1417	break;	1327	break;
1418	}	1328	}
1419		1329
1420	last = top;	1330	last = top;
1421	top = top->above;
1422	}	1331	}
1423		1332
1424	/* 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 */
1425	top = last;	1334	top = last;
1426		1335
…		…
1428	* looks like instead of lots of conditions here.	1337	* looks like instead of lots of conditions here.
1429	* makes things faster, and effectively the same result.	1338	* makes things faster, and effectively the same result.
1430	*/	1339	*/
1431		1340
1432	/* Have object 'fall below' other objects that block view.	1341	/* Have object 'fall below' other objects that block view.
1433	* Unless those objects are exits, type 66	1342	* Unless those objects are exits.
1434	* If INS_ON_TOP is used, don't do this processing	1343	* If INS_ON_TOP is used, don't do this processing
1435	* Need to find the object that in fact blocks view, otherwise	1344	* Need to find the object that in fact blocks view, otherwise
1436	* stacking is a bit odd.	1345	* stacking is a bit odd.
1437	*/	1346	*/
1438	if (!(flag & INS_ON_TOP) &&	1347	if (!(flag & INS_ON_TOP)
1439	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1348	&& ms.flags () & P_BLOCKSVIEW
		1349	&& (op->face && !faces [op->face].visibility))
1440	{	1350	{
1441	for (last = top; last != floor; last = last->below)	1351	for (last = top; last != floor; last = last->below)
1442	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1352	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1443	break;	1353	break;
		1354
1444	/* Check to see if we found the object that blocks view,	1355	/* Check to see if we found the object that blocks view,
1445	* 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
1446	* we can get inserted below this one, which requires we	1357	* we can get inserted below this one, which requires we
1447	* set top to the object below us.	1358	* set top to the object below us.
1448	*/	1359	*/
1449	if (last && last->below && last != floor)	1360	if (last && last->below && last != floor)
1450	top = last->below;	1361	top = last->below;
1451	}	1362	}
1452	} /* If objects on this space */	1363	} /* If objects on this space */
1453		1364
1454	if (flag & INS_MAP_LOAD)
1455	top = GET_MAP_TOP (op->map, op->x, op->y);
1456
1457	if (flag & INS_ABOVE_FLOOR_ONLY)	1365	if (flag & INS_ABOVE_FLOOR_ONLY)
1458	top = floor;	1366	top = floor;
1459		1367
1460	/* 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.
1461	*/	1369	*/
1462		1370
1463	/* First object on this space */	1371	/* First object on this space */
1464	if (!top)	1372	if (!top)
1465	{	1373	{
1466	op->above = GET_MAP_OB (op->map, op->x, op->y);	1374	op->above = ms.bot;
1467		1375
1468	if (op->above)	1376	if (op->above)
1469	op->above->below = op;	1377	op->above->below = op;
1470		1378
1471	op->below = NULL;	1379	op->below = 0;
1472	SET_MAP_OB (op->map, op->x, op->y, op);	1380	ms.bot = op;
1473	}	1381	}
1474	else	1382	else
1475	{ /* get inserted into the stack above top */	1383	{ /* get inserted into the stack above top */
1476	op->above = top->above;	1384	op->above = top->above;
1477		1385
…		…
1480		1388
1481	op->below = top;	1389	op->below = top;
1482	top->above = op;	1390	top->above = op;
1483	}	1391	}
1484		1392
1485	if (op->above == NULL)	1393	if (!op->above)
1486	SET_MAP_TOP (op->map, op->x, op->y, op);	1394	ms.top = op;
1487	} /* else not INS_BELOW_ORIGINATOR */	1395	} /* else not INS_BELOW_ORIGINATOR */
1488		1396
1489	if (op->type == PLAYER)	1397	if (op->type == PLAYER)
		1398	{
1490	op->contr->do_los = 1;	1399	op->contr->do_los = 1;
		1400	++op->map->players;
		1401	op->map->touch ();
		1402	}
1491		1403
1492	/* If we have a floor, we know the player, if any, will be above	1404	op->map->dirty = true;
1493	* it, so save a few ticks and start from there.	1405
1494	*/	1406	if (object *pl = ms.player ())
1495	if (!(flag & INS_MAP_LOAD))	1407	pl->contr->ns->floorbox_update ();
1496	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1497	if (tmp->type == PLAYER)
1498	tmp->contr->socket.update_look = 1;
1499		1408
1500	/* If this object glows, it may affect lighting conditions that are	1409	/* If this object glows, it may affect lighting conditions that are
1501	* 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
1502	* 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
1503	* on the map will get recalculated. The players could very well	1412	* on the map will get recalculated. The players could very well
1504	* be far away from this change and not affected in any way -	1413	* be far away from this change and not affected in any way -
1505	* this should get redone to only look for players within range,	1414	* this should get redone to only look for players within range,
1506	* or just updating the P_NEED_UPDATE for spaces within this area	1415	* or just updating the P_UPTODATE for spaces within this area
1507	* of effect may be sufficient.	1416	* of effect may be sufficient.
1508	*/	1417	*/
1509	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1418	if (op->map->darkness && (op->glow_radius != 0))
1510	update_all_los (op->map, op->x, op->y);	1419	update_all_los (op->map, op->x, op->y);
1511		1420
1512	/* updates flags (blocked, alive, no magic, etc) for this map space */	1421	/* updates flags (blocked, alive, no magic, etc) for this map space */
1513	update_object (op, UP_OBJ_INSERT);	1422	update_object (op, UP_OBJ_INSERT);
1514		1423
		1424	INVOKE_OBJECT (INSERT, op);
		1425
1515	/* Don't know if moving this to the end will break anything. However,	1426	/* Don't know if moving this to the end will break anything. However,
1516	* we want to have update_look set above before calling this.	1427	* we want to have floorbox_update called before calling this.
1517	*	1428	*
1518	* check_move_on() must be after this because code called from	1429	* check_move_on() must be after this because code called from
1519	* check_move_on() depends on correct map flags (so functions like	1430	* check_move_on() depends on correct map flags (so functions like
1520	* blocked() and wall() work properly), and these flags are updated by	1431	* blocked() and wall() work properly), and these flags are updated by
1521	* update_object().	1432	* update_object().
1522	*/	1433	*/
1523		1434
1524	/* 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 */
1525	if (!(flag & INS_NO_WALK_ON) && !op->head)	1436	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1526	{	1437	{
1527	if (check_move_on (op, originator))	1438	if (check_move_on (op, originator))
1528	return NULL;	1439	return 0;
1529		1440
1530	/* 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
1531	* walk on's.	1442	* walk on's.
1532	*/	1443	*/
1533	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1444	for (object *tmp = op->more; tmp; tmp = tmp->more)
1534	if (check_move_on (tmp, originator))	1445	if (check_move_on (tmp, originator))
1535	return NULL;	1446	return 0;
1536	}	1447	}
1537		1448
1538	return op;	1449	return op;
1539	}	1450	}
1540		1451
1541	/* this function inserts an object in the map, but if it	1452	/* this function inserts an object in the map, but if it
1542	* finds an object of its own type, it'll remove that one first.	1453	* finds an object of its own type, it'll remove that one first.
1543	* 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.
1544	*/	1455	*/
1545	void	1456	void
1546	replace_insert_ob_in_map (const char *arch_string, object *op)	1457	replace_insert_ob_in_map (const char *arch_string, object *op)
1547	{	1458	{
1548	object *
1549	tmp;
1550	object *
1551	tmp1;
1552
1553	/* first search for itself and remove any old instances */	1459	/* first search for itself and remove any old instances */
1554		1460
1555	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1461	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1556	{
1557	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1462	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1558	{	1463	tmp->destroy (1);
1559	remove_ob (tmp);
1560	free_object (tmp);
1561	}
1562	}
1563		1464
1564	tmp1 = arch_to_object (archetype::find (arch_string));	1465	object *tmp = arch_to_object (archetype::find (arch_string));
1565		1466
1566	tmp1->x = op->x;	1467	tmp->x = op->x;
1567	tmp1->y = op->y;	1468	tmp->y = op->y;
		1469
1568	insert_ob_in_map (tmp1, op->map, op, 0);	1470	insert_ob_in_map (tmp, op->map, op, 0);
		1471	}
		1472
		1473	object *
		1474	object::insert_at (object *where, object *originator, int flags)
		1475	{
		1476	if (where->env)
		1477	return where->env->insert (this);
		1478	else
		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	}
1569	}	1552	}
1570		1553
1571	/*	1554	/*
1572	* 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
1573	* is returned contains nr objects, and the remaining parts contains	1556	* is returned contains nr objects, and the remaining parts contains
1574	* 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).
1575	* On failure, NULL is returned, and the reason put into the	1558	* On failure, NULL is returned, and the reason put into the
1576	* global static errmsg array.	1559	* global static errmsg array.
1577	*/	1560	*/
		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);
1578		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
1579	object *	1582	object *
1580	get_split_ob (object *orig_ob, uint32 nr)	1583	get_split_ob (object *orig_ob, uint32 nr)
1581	{	1584	{
1582	object *
1583	newob;
1584	int
1585	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1586
1587	if (orig_ob->nrof < nr)	1585	if (orig_ob->nrof < nr)
1588	{	1586	{
1589	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);
1590	return NULL;	1588	return 0;
1591	}
1592
1593	newob = object_create_clone (orig_ob);
1594
1595	if ((orig_ob->nrof -= nr) < 1)
1596	{	1589	}
1597	if (!is_removed)
1598	remove_ob (orig_ob);
1599	free_object2 (orig_ob, 1);
1600	}
1601	else if (!is_removed)
1602	{
1603	if (orig_ob->env != NULL)
1604	sub_weight (orig_ob->env, orig_ob->weight * nr);
1605	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1606	{
1607	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1608	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1609	return NULL;
1610	}
1611	}
1612		1590
1613	newob->nrof = nr;	1591	return orig_ob->split (nr);
1614
1615	return newob;
1616	}	1592	}
1617
1618	/*
1619	* decrease_ob_nr(object, number) decreases a specified number from
1620	* the amount of an object. If the amount reaches 0, the object
1621	* is subsequently removed and freed.
1622	*
1623	* Return value: 'op' if something is left, NULL if the amount reached 0
1624	*/
1625
1626	object *
1627	decrease_ob_nr (object *op, uint32 i)
1628	{
1629	object *tmp;
1630	player *pl;
1631
1632	if (i == 0) /* objects with op->nrof require this check */
1633	return op;
1634
1635	if (i > op->nrof)
1636	i = op->nrof;
1637
1638	if (QUERY_FLAG (op, FLAG_REMOVED))
1639	op->nrof -= i;
1640	else if (op->env != NULL)
1641	{
1642	/* is this object in the players inventory, or sub container
1643	* therein?
1644	*/
1645	tmp = is_player_inv (op->env);
1646	/* nope. Is this a container the player has opened?
1647	* If so, set tmp to that player.
1648	* IMO, searching through all the players will mostly
1649	* likely be quicker than following op->env to the map,
1650	* and then searching the map for a player.
1651	*/
1652	if (!tmp)
1653	{
1654	for (pl = first_player; pl; pl = pl->next)
1655	if (pl->ob->container == op->env)
1656	break;
1657	if (pl)
1658	tmp = pl->ob;
1659	else
1660	tmp = NULL;
1661	}
1662
1663	if (i < op->nrof)
1664	{
1665	sub_weight (op->env, op->weight * i);
1666	op->nrof -= i;
1667	if (tmp)
1668	{
1669	esrv_send_item (tmp, op);
1670	}
1671	}
1672	else
1673	{
1674	remove_ob (op);
1675	op->nrof = 0;
1676	if (tmp)
1677	{
1678	esrv_del_item (tmp->contr, op->count);
1679	}
1680	}
1681	}
1682	else
1683	{
1684	object *above = op->above;
1685
1686	if (i < op->nrof)
1687	op->nrof -= i;
1688	else
1689	{
1690	remove_ob (op);
1691	op->nrof = 0;
1692	}
1693
1694	/* Since we just removed op, op->above is null */
1695	for (tmp = above; tmp != NULL; tmp = tmp->above)
1696	if (tmp->type == PLAYER)
1697	{
1698	if (op->nrof)
1699	esrv_send_item (tmp, op);
1700	else
1701	esrv_del_item (tmp->contr, op->count);
1702	}
1703	}
1704
1705	if (op->nrof)
1706	return op;
1707	else
1708	{
1709	free_object (op);
1710	return NULL;
1711	}
1712	}
1713
1714	/*
1715	* add_weight(object, weight) adds the specified weight to an object,
1716	* and also updates how much the environment(s) is/are carrying.
1717	*/
1718
1719	void
1720	add_weight (object *op, signed long weight)
1721	{
1722	while (op != NULL)
1723	{
1724	if (op->type == CONTAINER)
1725	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1726
1727	op->carrying += weight;
1728	op = op->env;
1729	}
1730	}
1731
1732	/*
1733	* insert_ob_in_ob(op,environment):
1734	* This function inserts the object op in the linked list
1735	* inside the object environment.
1736	*
1737	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1738	* the inventory at the last position or next to other objects of the same
1739	* type.
1740	* Frank: Now sorted by type, archetype and magic!
1741	*
1742	* The function returns now pointer to inserted item, and return value can
1743	* be != op, if items are merged. -Tero
1744	*/
1745		1593
1746	object *	1594	object *
1747	insert_ob_in_ob (object *op, object *where)	1595	insert_ob_in_ob (object *op, object *where)
1748	{	1596	{
1749	object *	1597	if (!where)
1750	tmp, *
1751	otmp;
1752
1753	if (!QUERY_FLAG (op, FLAG_REMOVED))
1754	{
1755	char *dump = dump_object (op);
1756	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", dump);
1757	free (dump);
1758	return op;
1759	}
1760
1761	if (where == NULL)
1762	{	1598	{
1763	char *dump = dump_object (op);	1599	char *dump = dump_object (op);
1764	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);
1765	free (dump);	1601	free (dump);
1766	return op;	1602	return op;
1767	}	1603	}
1768		1604
1769	if (where->head)	1605	if (where->head_ () != where)
1770	{	1606	{
1771	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");	1607	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1772	where = where->head;	1608	where = where->head;
1773	}	1609	}
1774		1610
		1611	return where->insert (op);
		1612	}
		1613
		1614	/*
		1615	* env->insert (op)
		1616	* This function inserts the object op in the linked list
		1617	* inside the object environment.
		1618	*
		1619	* The function returns now pointer to inserted item, and return value can
		1620	* be != op, if items are merged. -Tero
		1621	*/
		1622	object *
		1623	object::insert (object *op)
		1624	{
1775	if (op->more)	1625	if (op->more)
1776	{	1626	{
1777	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);
1778	return op;	1628	return op;
1779	}	1629	}
1780		1630
1781	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1631	op->remove ();
1782	CLEAR_FLAG (op, FLAG_REMOVED);	1632
		1633	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1634
1783	if (op->nrof)	1635	if (op->nrof)
1784	{
1785	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1636	for (object *tmp = inv; tmp; tmp = tmp->below)
1786	if (CAN_MERGE (tmp, op))	1637	if (object::can_merge (tmp, op))
1787	{	1638	{
1788	/* return the original object and remove inserted object	1639	/* return the original object and remove inserted object
1789	(client needs the original object) */	1640	(client needs the original object) */
1790	tmp->nrof += op->nrof;	1641	tmp->nrof += op->nrof;
1791	/* Weight handling gets pretty funky. Since we are adding to	1642	op->destroy (1);
1792	* tmp->nrof, we need to increase the weight.
1793	*/
1794	add_weight (where, op->weight * op->nrof);
1795	SET_FLAG (op, FLAG_REMOVED);
1796	free_object (op); /* free the inserted object */
1797	op = tmp;	1643	op = tmp;
1798	remove_ob (op); /* and fix old object's links */	1644	goto inserted;
1799	CLEAR_FLAG (op, FLAG_REMOVED);
1800	break;
1801	}	1645	}
1802		1646
1803	/* I assume combined objects have no inventory	1647	op->owner = 0; // it's his/hers now. period.
1804	* We add the weight - this object could have just been removed
1805	* (if it was possible to merge). calling remove_ob will subtract
1806	* the weight, so we need to add it in again, since we actually do
1807	* the linking below
1808	*/
1809	add_weight (where, op->weight * op->nrof);
1810	}
1811	else
1812	add_weight (where, (op->weight + op->carrying));
1813
1814	otmp = is_player_inv (where);
1815	if (otmp && otmp->contr != NULL)
1816	{
1817	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1818	fix_player (otmp);
1819	}
1820
1821	op->map = NULL;	1648	op->map = 0;
1822	op->env = where;	1649	op->x = 0;
		1650	op->y = 0;
		1651
1823	op->above = NULL;	1652	op->above = 0;
1824	op->below = NULL;	1653	op->below = inv;
1825	op->x = 0, op->y = 0;	1654	op->env = this;
1826		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:
1827	/* reset the light list and los of the players on the map */	1666	/* reset the light list and los of the players on the map */
1828	if ((op->glow_radius != 0) && where->map)	1667	if (op->glow_radius && map && map->darkness)
1829	{	1668	update_all_los (map, x, y);
1830	#ifdef DEBUG_LIGHTS
1831	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1832	#endif /* DEBUG_LIGHTS */
1833	if (MAP_DARKNESS (where->map))
1834	update_all_los (where->map, where->x, where->y);
1835	}
1836		1669
1837	/* Client has no idea of ordering so lets not bother ordering it here.	1670	if (object *otmp = in_player ())
1838	* It sure simplifies this function...	1671	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1839	*/	1672	otmp->update_stats ();
1840	if (where->inv == NULL)	1673
1841	where->inv = op;	1674	INVOKE_OBJECT (INSERT, this);
1842	else	1675
1843	{
1844	op->below = where->inv;
1845	op->below->above = op;
1846	where->inv = op;
1847	}
1848	return op;	1676	return op;
1849	}	1677	}
1850		1678
1851	/*	1679	/*
1852	* Checks if any objects has a move_type that matches objects	1680	* Checks if any objects has a move_type that matches objects
…		…
1866	*	1694	*
1867	* MSW 2001-07-08: Check all objects on space, not just those below	1695	* MSW 2001-07-08: Check all objects on space, not just those below
1868	* object being inserted. insert_ob_in_map may not put new objects	1696	* object being inserted. insert_ob_in_map may not put new objects
1869	* on top.	1697	* on top.
1870	*/	1698	*/
1871
1872	int	1699	int
1873	check_move_on (object *op, object *originator)	1700	check_move_on (object *op, object *originator)
1874	{	1701	{
1875	object *tmp;	1702	object *tmp;
1876	maptile *m = op->map;	1703	maptile *m = op->map;
…		…
1903		1730
1904	/* The objects have to be checked from top to bottom.	1731	/* The objects have to be checked from top to bottom.
1905	* Hence, we first go to the top:	1732	* Hence, we first go to the top:
1906	*/	1733	*/
1907		1734
1908	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1735	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1909	{	1736	{
1910	/* Trim the search when we find the first other spell effect	1737	/* Trim the search when we find the first other spell effect
1911	* this helps performance so that if a space has 50 spell objects,	1738	* this helps performance so that if a space has 50 spell objects,
1912	* we don't need to check all of them.	1739	* we don't need to check all of them.
1913	*/	1740	*/
…		…
1931	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1758	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1932	((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))
1933	{	1760	{
1934		1761
1935	float	1762	float
1936	diff = tmp->move_slow_penalty * FABS (op->speed);	1763	diff = tmp->move_slow_penalty * fabs (op->speed);
1937		1764
1938	if (op->type == PLAYER)	1765	if (op->type == PLAYER)
1939	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)) ||
1940	(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)))
1941	diff /= 4.0;	1768	diff /= 4.0;
…		…
1968	/*	1795	/*
1969	* present_arch(arch, map, x, y) searches for any objects with	1796	* present_arch(arch, map, x, y) searches for any objects with
1970	* a matching archetype at the given map and coordinates.	1797	* a matching archetype at the given map and coordinates.
1971	* The first matching object is returned, or NULL if none.	1798	* The first matching object is returned, or NULL if none.
1972	*/	1799	*/
1973
1974	object *	1800	object *
1975	present_arch (const archetype *at, maptile *m, int x, int y)	1801	present_arch (const archetype *at, maptile *m, int x, int y)
1976	{	1802	{
1977	object *
1978	tmp;
1979
1980	if (m == NULL || out_of_map (m, x, y))	1803	if (!m || out_of_map (m, x, y))
1981	{	1804	{
1982	LOG (llevError, "Present_arch called outside map.\n");	1805	LOG (llevError, "Present_arch called outside map.\n");
1983	return NULL;	1806	return NULL;
1984	}	1807	}
1985	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1808
		1809	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1986	if (tmp->arch == at)	1810	if (tmp->arch == at)
1987	return tmp;	1811	return tmp;
		1812
1988	return NULL;	1813	return NULL;
1989	}	1814	}
1990		1815
1991	/*	1816	/*
1992	* present(type, map, x, y) searches for any objects with	1817	* present(type, map, x, y) searches for any objects with
1993	* a matching type variable at the given map and coordinates.	1818	* a matching type variable at the given map and coordinates.
1994	* The first matching object is returned, or NULL if none.	1819	* The first matching object is returned, or NULL if none.
1995	*/	1820	*/
1996
1997	object *	1821	object *
1998	present (unsigned char type, maptile *m, int x, int y)	1822	present (unsigned char type, maptile *m, int x, int y)
1999	{	1823	{
2000	object *
2001	tmp;
2002
2003	if (out_of_map (m, x, y))	1824	if (out_of_map (m, x, y))
2004	{	1825	{
2005	LOG (llevError, "Present called outside map.\n");	1826	LOG (llevError, "Present called outside map.\n");
2006	return NULL;	1827	return NULL;
2007	}	1828	}
2008	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1829
		1830	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2009	if (tmp->type == type)	1831	if (tmp->type == type)
2010	return tmp;	1832	return tmp;
		1833
2011	return NULL;	1834	return NULL;
2012	}	1835	}
2013		1836
2014	/*	1837	/*
2015	* present_in_ob(type, object) searches for any objects with	1838	* present_in_ob(type, object) searches for any objects with
2016	* a matching type variable in the inventory of the given object.	1839	* a matching type variable in the inventory of the given object.
2017	* The first matching object is returned, or NULL if none.	1840	* The first matching object is returned, or NULL if none.
2018	*/	1841	*/
2019
2020	object *	1842	object *
2021	present_in_ob (unsigned char type, const object *op)	1843	present_in_ob (unsigned char type, const object *op)
2022	{	1844	{
2023	object *
2024	tmp;
2025
2026	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1845	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2027	if (tmp->type == type)	1846	if (tmp->type == type)
2028	return tmp;	1847	return tmp;
		1848
2029	return NULL;	1849	return NULL;
2030	}	1850	}
2031		1851
2032	/*	1852	/*
2033	* present_in_ob (type, str, object) searches for any objects with	1853	* present_in_ob (type, str, object) searches for any objects with
…		…
2041	* str is the string to match against. Note that we match against	1861	* str is the string to match against. Note that we match against
2042	* the object name, not the archetype name. this is so that the	1862	* the object name, not the archetype name. this is so that the
2043	* spell code can use one object type (force), but change it's name	1863	* spell code can use one object type (force), but change it's name
2044	* to be unique.	1864	* to be unique.
2045	*/	1865	*/
2046
2047	object *	1866	object *
2048	present_in_ob_by_name (int type, const char *str, const object *op)	1867	present_in_ob_by_name (int type, const char *str, const object *op)
2049	{	1868	{
2050	object *
2051	tmp;
2052
2053	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1869	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2054	{
2055	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1870	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2056	return tmp;	1871	return tmp;
2057	}	1872
2058	return NULL;	1873	return 0;
2059	}	1874	}
2060		1875
2061	/*	1876	/*
2062	* present_arch_in_ob(archetype, object) searches for any objects with	1877	* present_arch_in_ob(archetype, object) searches for any objects with
2063	* a matching archetype in the inventory of the given object.	1878	* a matching archetype in the inventory of the given object.
2064	* The first matching object is returned, or NULL if none.	1879	* The first matching object is returned, or NULL if none.
2065	*/	1880	*/
2066
2067	object *	1881	object *
2068	present_arch_in_ob (const archetype *at, const object *op)	1882	present_arch_in_ob (const archetype *at, const object *op)
2069	{	1883	{
2070	object *
2071	tmp;
2072
2073	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1884	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2074	if (tmp->arch == at)	1885	if (tmp->arch == at)
2075	return tmp;	1886	return tmp;
		1887
2076	return NULL;	1888	return NULL;
2077	}	1889	}
2078		1890
2079	/*	1891	/*
2080	* activate recursively a flag on an object inventory	1892	* activate recursively a flag on an object inventory
2081	*/	1893	*/
2082	void	1894	void
2083	flag_inv (object *op, int flag)	1895	flag_inv (object *op, int flag)
2084	{	1896	{
2085	object *
2086	tmp;
2087
2088	if (op->inv)
2089	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1897	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2090	{	1898	{
2091	SET_FLAG (tmp, flag);	1899	SET_FLAG (tmp, flag);
2092	flag_inv (tmp, flag);	1900	flag_inv (tmp, flag);
2093	}	1901	}
2094	} /*	1902	}
		1903
		1904	/*
2095	* desactivate recursively a flag on an object inventory	1905	* deactivate recursively a flag on an object inventory
2096	*/	1906	*/
2097	void	1907	void
2098	unflag_inv (object *op, int flag)	1908	unflag_inv (object *op, int flag)
2099	{	1909	{
2100	object *
2101	tmp;
2102
2103	if (op->inv)
2104	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1910	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2105	{	1911	{
2106	CLEAR_FLAG (tmp, flag);	1912	CLEAR_FLAG (tmp, flag);
2107	unflag_inv (tmp, flag);	1913	unflag_inv (tmp, flag);
2108	}	1914	}
2109	}
2110
2111	/*
2112	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2113	* all it's inventory (recursively).
2114	* If checksums are used, a player will get set_cheat called for
2115	* him/her-self and all object carried by a call to this function.
2116	*/
2117
2118	void
2119	set_cheat (object *op)
2120	{
2121	SET_FLAG (op, FLAG_WAS_WIZ);
2122	flag_inv (op, FLAG_WAS_WIZ);
2123	}	1915	}
2124		1916
2125	/*	1917	/*
2126	* 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
2127	* 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
…		…
2129	* to search (see the freearr_x/y[] definition).	1921	* to search (see the freearr_x/y[] definition).
2130	* It returns a random choice among the alternatives found.	1922	* It returns a random choice among the alternatives found.
2131	* 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
2132	* does all 4 immediate directions). This returns the index into the	1924	* does all 4 immediate directions). This returns the index into the
2133	* 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)
2134	* Note - this only checks to see if there is space for the head of the
2135	* object - if it is a multispace object, this should be called for all
2136	* pieces.
2137	* Note2: This function does correctly handle tiled maps, but does not	1926	* Note: This function does correctly handle tiled maps, but does not
2138	* inform the caller. However, insert_ob_in_map will update as	1927	* inform the caller. However, insert_ob_in_map will update as
2139	* 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.
2140	* 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
2141	* 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
2142	* 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
2143	* the archetype because that isn't correct if the monster has been	1932	* the archetype because that isn't correct if the monster has been
2144	* customized, changed states, etc.	1933	* customized, changed states, etc.
2145	*/	1934	*/
2146
2147	int	1935	int
2148	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)
2149	{	1937	{
2150	int
2151	i,
2152	index = 0, flag;
2153	static int
2154	altern[SIZEOFFREE];	1938	int altern[SIZEOFFREE];
		1939	int index = 0, flag;
2155		1940
2156	for (i = start; i < stop; i++)	1941	for (int i = start; i < stop; i++)
2157	{	1942	{
2158	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1943	mapxy pos (m, x, y); pos.move (i);
2159	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	{
2160	altern[index++] = i;	1959	altern [index++] = i;
		1960	continue;
		1961	}
2161		1962
2162	/* 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.
2163	* 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.
2164	* 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 -
2165	* 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
2166	* 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
2167	* to only the spaces immediately surrounding the target area, and	1968	* to only the spaces immediately surrounding the target area, and
2168	* won't look 2 spaces south of the target space.	1969	* won't look 2 spaces south of the target space.
2169	*/	1970	*/
2170	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	1971	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1972	{
2171	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;
2172	}	1987	}
		1988
2173	if (!index)	1989	if (!index)
2174	return -1;	1990	return -1;
		1991
2175	return altern[RANDOM () % index];	1992	return altern [rndm (index)];
2176	}	1993	}
2177		1994
2178	/*	1995	/*
2179	* find_first_free_spot(archetype, maptile, x, y) works like	1996	* find_first_free_spot(archetype, maptile, x, y) works like
2180	* find_free_spot(), but it will search max number of squares.	1997	* find_free_spot(), but it will search max number of squares.
2181	* But it will return the first available spot, not a random choice.	1998	* But it will return the first available spot, not a random choice.
2182	* Changed 0.93.2: Have it return -1 if there is no free spot available.	1999	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2183	*/	2000	*/
2184
2185	int	2001	int
2186	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)
2187	{	2003	{
2188	int
2189	i;
2190
2191	for (i = 0; i < SIZEOFFREE; i++)	2004	for (int i = 0; i < SIZEOFFREE; i++)
2192	{
2193	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]))
2194	return i;	2006	return i;
2195	}	2007
2196	return -1;	2008	return -1;
2197	}	2009	}
2198		2010
2199	/*	2011	/*
2200	* The function permute(arr, begin, end) randomly reorders the array	2012	* The function permute(arr, begin, end) randomly reorders the array
2201	* arr[begin..end-1].	2013	* arr[begin..end-1].
		2014	* now uses a fisher-yates shuffle, old permute was broken
2202	*/	2015	*/
2203	static void	2016	static void
2204	permute (int *arr, int begin, int end)	2017	permute (int *arr, int begin, int end)
2205	{	2018	{
2206	int	2019	arr += begin;
2207	i,
2208	j,
2209	tmp,
2210	len;
2211
2212	len = end - begin;	2020	end -= begin;
2213	for (i = begin; i < end; i++)
2214	{
2215	j = begin + RANDOM () % len;
2216		2021
2217	tmp = arr[i];	2022	while (--end)
2218	arr[i] = arr[j];	2023	swap (arr [end], arr [rndm (end + 1)]);
2219	arr[j] = tmp;
2220	}
2221	}	2024	}
2222		2025
2223	/* new function to make monster searching more efficient, and effective!	2026	/* new function to make monster searching more efficient, and effective!
2224	* This basically returns a randomized array (in the passed pointer) of	2027	* This basically returns a randomized array (in the passed pointer) of
2225	* 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
…		…
2228	* the 3x3 area will be searched, just not in a predictable order.	2031	* the 3x3 area will be searched, just not in a predictable order.
2229	*/	2032	*/
2230	void	2033	void
2231	get_search_arr (int *search_arr)	2034	get_search_arr (int *search_arr)
2232	{	2035	{
2233	int	2036	int i;
2234	i;
2235		2037
2236	for (i = 0; i < SIZEOFFREE; i++)	2038	for (i = 0; i < SIZEOFFREE; i++)
2237	{
2238	search_arr[i] = i;	2039	search_arr[i] = i;
2239	}
2240		2040
2241	permute (search_arr, 1, SIZEOFFREE1 + 1);	2041	permute (search_arr, 1, SIZEOFFREE1 + 1);
2242	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2042	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2243	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2043	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2244	}	2044	}
…		…
2253	* Perhaps incorrectly, but I'm making the assumption that exclude	2053	* Perhaps incorrectly, but I'm making the assumption that exclude
2254	* is actually want is going to try and move there. We need this info	2054	* is actually want is going to try and move there. We need this info
2255	* because we have to know what movement the thing looking to move	2055	* because we have to know what movement the thing looking to move
2256	* there is capable of.	2056	* there is capable of.
2257	*/	2057	*/
2258
2259	int	2058	int
2260	find_dir (maptile *m, int x, int y, object *exclude)	2059	find_dir (maptile *m, int x, int y, object *exclude)
2261	{	2060	{
2262	int
2263	i,
2264	max = SIZEOFFREE, mflags;	2061	int i, max = SIZEOFFREE, mflags;
2265		2062
2266	sint16 nx, ny;	2063	sint16 nx, ny;
2267	object *	2064	object *tmp;
2268	tmp;
2269	maptile *	2065	maptile *mp;
2270	mp;
2271		2066
2272	MoveType blocked, move_type;	2067	MoveType blocked, move_type;
2273		2068
2274	if (exclude && exclude->head)	2069	if (exclude && exclude->head_ () != exclude)
2275	{	2070	{
2276	exclude = exclude->head;	2071	exclude = exclude->head;
2277	move_type = exclude->move_type;	2072	move_type = exclude->move_type;
2278	}	2073	}
2279	else	2074	else
…		…
2287	mp = m;	2082	mp = m;
2288	nx = x + freearr_x[i];	2083	nx = x + freearr_x[i];
2289	ny = y + freearr_y[i];	2084	ny = y + freearr_y[i];
2290		2085
2291	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2086	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2087
2292	if (mflags & P_OUT_OF_MAP)	2088	if (mflags & P_OUT_OF_MAP)
2293	{
2294	max = maxfree[i];	2089	max = maxfree[i];
2295	}
2296	else	2090	else
2297	{	2091	{
2298	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2092	mapspace &ms = mp->at (nx, ny);
		2093
		2094	blocked = ms.move_block;
2299		2095
2300	if ((move_type & blocked) == move_type)	2096	if ((move_type & blocked) == move_type)
2301	{
2302	max = maxfree[i];	2097	max = maxfree[i];
2303	}
2304	else if (mflags & P_IS_ALIVE)	2098	else if (mflags & P_IS_ALIVE)
2305	{	2099	{
2306	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2100	for (tmp = ms.bot; tmp; tmp = tmp->above)
2307	{	2101	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2308	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2102	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2309	{
2310	break;	2103	break;
2311	}	2104
2312	}
2313	if (tmp)	2105	if (tmp)
2314	{
2315	return freedir[i];	2106	return freedir[i];
2316	}
2317	}	2107	}
2318	}	2108	}
2319	}	2109	}
		2110
2320	return 0;	2111	return 0;
2321	}	2112	}
2322		2113
2323	/*	2114	/*
2324	* distance(object 1, object 2) will return the square of the	2115	* distance(object 1, object 2) will return the square of the
2325	* distance between the two given objects.	2116	* distance between the two given objects.
2326	*/	2117	*/
2327
2328	int	2118	int
2329	distance (const object *ob1, const object *ob2)	2119	distance (const object *ob1, const object *ob2)
2330	{	2120	{
2331	int
2332	i;
2333
2334	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2121	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2335	return i;
2336	}	2122	}
2337		2123
2338	/*	2124	/*
2339	* find_dir_2(delta-x,delta-y) will return a direction in which	2125	* find_dir_2(delta-x,delta-y) will return a direction in which
2340	* an object which has subtracted the x and y coordinates of another	2126	* an object which has subtracted the x and y coordinates of another
2341	* object, needs to travel toward it.	2127	* object, needs to travel toward it.
2342	*/	2128	*/
2343
2344	int	2129	int
2345	find_dir_2 (int x, int y)	2130	find_dir_2 (int x, int y)
2346	{	2131	{
2347	int	2132	int q;
2348	q;
2349		2133
2350	if (y)	2134	if (y)
2351	q = x * 100 / y;	2135	q = x * 100 / y;
2352	else if (x)	2136	else if (x)
2353	q = -300 * x;	2137	q = -300 * x;
…		…
2378		2162
2379	return 3;	2163	return 3;
2380	}	2164	}
2381		2165
2382	/*	2166	/*
2383	* absdir(int): Returns a number between 1 and 8, which represent
2384	* the "absolute" direction of a number (it actually takes care of
2385	* "overflow" in previous calculations of a direction).
2386	*/
2387
2388	int
2389	absdir (int d)
2390	{
2391	while (d < 1)
2392	d += 8;
2393	while (d > 8)
2394	d -= 8;
2395	return d;
2396	}
2397
2398	/*
2399	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2167	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2400	* between two directions (which are expected to be absolute (see absdir())	2168	* between two directions (which are expected to be absolute (see absdir())
2401	*/	2169	*/
2402
2403	int	2170	int
2404	dirdiff (int dir1, int dir2)	2171	dirdiff (int dir1, int dir2)
2405	{	2172	{
2406	int	2173	int d;
2407	d;
2408		2174
2409	d = abs (dir1 - dir2);	2175	d = abs (dir1 - dir2);
2410	if (d > 4)	2176	if (d > 4)
2411	d = 8 - d;	2177	d = 8 - d;
		2178
2412	return d;	2179	return d;
2413	}	2180	}
2414		2181
2415	/* peterm:	2182	/* peterm:
2416	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2183	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2419	* This basically means that if direction is 15, then it could either go	2186	* This basically means that if direction is 15, then it could either go
2420	* direction 4, 14, or 16 to get back to where we are.	2187	* direction 4, 14, or 16 to get back to where we are.
2421	* Moved from spell_util.c to object.c with the other related direction	2188	* Moved from spell_util.c to object.c with the other related direction
2422	* functions.	2189	* functions.
2423	*/	2190	*/
2424
2425	int
2426	reduction_dir[SIZEOFFREE][3] = {	2191	int reduction_dir[SIZEOFFREE][3] = {
2427	{0, 0, 0}, /* 0 */	2192	{0, 0, 0}, /* 0 */
2428	{0, 0, 0}, /* 1 */	2193	{0, 0, 0}, /* 1 */
2429	{0, 0, 0}, /* 2 */	2194	{0, 0, 0}, /* 2 */
2430	{0, 0, 0}, /* 3 */	2195	{0, 0, 0}, /* 3 */
2431	{0, 0, 0}, /* 4 */	2196	{0, 0, 0}, /* 4 */
…		…
2479	* find a path to that monster that we found. If not,	2244	* find a path to that monster that we found. If not,
2480	* we don't bother going toward it. Returns 1 if we	2245	* we don't bother going toward it. Returns 1 if we
2481	* can see a direct way to get it	2246	* can see a direct way to get it
2482	* Modified to be map tile aware -.MSW	2247	* Modified to be map tile aware -.MSW
2483	*/	2248	*/
2484
2485
2486	int	2249	int
2487	can_see_monsterP (maptile *m, int x, int y, int dir)	2250	can_see_monsterP (maptile *m, int x, int y, int dir)
2488	{	2251	{
2489	sint16 dx, dy;	2252	sint16 dx, dy;
2490	int
2491	mflags;	2253	int mflags;
2492		2254
2493	if (dir < 0)	2255	if (dir < 0)
2494	return 0; /* exit condition: invalid direction */	2256	return 0; /* exit condition: invalid direction */
2495		2257
2496	dx = x + freearr_x[dir];	2258	dx = x + freearr_x[dir];
…		…
2509	return 0;	2271	return 0;
2510		2272
2511	/* yes, can see. */	2273	/* yes, can see. */
2512	if (dir < 9)	2274	if (dir < 9)
2513	return 1;	2275	return 1;
		2276
2514	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2277	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2515	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2278	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2279	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2516	}	2280	}
2517
2518
2519		2281
2520	/*	2282	/*
2521	* can_pick(picker, item): finds out if an object is possible to be	2283	* can_pick(picker, item): finds out if an object is possible to be
2522	* picked up by the picker. Returnes 1 if it can be	2284	* picked up by the picker. Returnes 1 if it can be
2523	* picked up, otherwise 0.	2285	* picked up, otherwise 0.
…		…
2525	* 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
2526	* core dumps if they do.	2288	* core dumps if they do.
2527	*	2289	*
2528	* 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)
2529	*/	2291	*/
2530
2531	int	2292	int
2532	can_pick (const object *who, const object *item)	2293	can_pick (const object *who, const object *item)
2533	{	2294	{
2534	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2295	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2535	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2296	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2536	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2297	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2537	}	2298	}
2538		2299
2539
2540	/*	2300	/*
2541	* create clone from object to another	2301	* create clone from object to another
2542	*/	2302	*/
2543	object *	2303	object *
2544	object_create_clone (object *asrc)	2304	object_create_clone (object *asrc)
2545	{	2305	{
2546	object *
2547	dst = NULL, *tmp, *src, *part, *prev, *item;	2306	object *dst = 0, *tmp, *src, *prev, *item;
2548		2307
2549	if (!asrc)	2308	if (!asrc)
2550	return NULL;	2309	return 0;
2551	src = asrc;	2310
2552	if (src->head)
2553	src = src->head;	2311	src = asrc->head_ ();
2554		2312
2555	prev = NULL;	2313	prev = 0;
2556	for (part = src; part; part = part->more)	2314	for (object *part = src; part; part = part->more)
2557	{	2315	{
2558	tmp = get_object ();	2316	tmp = part->clone ();
2559	copy_object (part, tmp);
2560	tmp->x -= src->x;	2317	tmp->x -= src->x;
2561	tmp->y -= src->y;	2318	tmp->y -= src->y;
		2319
2562	if (!part->head)	2320	if (!part->head)
2563	{	2321	{
2564	dst = tmp;	2322	dst = tmp;
2565	tmp->head = NULL;	2323	tmp->head = 0;
2566	}	2324	}
2567	else	2325	else
2568	{
2569	tmp->head = dst;	2326	tmp->head = dst;
2570	}	2327
2571	tmp->more = NULL;	2328	tmp->more = 0;
		2329
2572	if (prev)	2330	if (prev)
2573	prev->more = tmp;	2331	prev->more = tmp;
		2332
2574	prev = tmp;	2333	prev = tmp;
2575	}	2334	}
2576		2335
2577	for (item = src->inv; item; item = item->below)	2336	for (item = src->inv; item; item = item->below)
2578	insert_ob_in_ob (object_create_clone (item), dst);	2337	insert_ob_in_ob (object_create_clone (item), dst);
2579		2338
2580	return dst;	2339	return dst;
2581	}
2582
2583	/* GROS - Creates an object using a string representing its content. */
2584	/* Basically, we save the content of the string to a temp file, then call */
2585	/* load_object on it. I admit it is a highly inefficient way to make things, */
2586	/* but it was simple to make and allows reusing the load_object function. */
2587	/* Remember not to use load_object_str in a time-critical situation. */
2588	/* Also remember that multiparts objects are not supported for now. */
2589
2590	object *
2591	load_object_str (const char *obstr)
2592	{
2593	object *op;
2594	char filename[MAX_BUF];
2595
2596	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2597
2598	FILE *tempfile = fopen (filename, "w");
2599
2600	if (tempfile == NULL)
2601	{
2602	LOG (llevError, "Error - Unable to access load object temp file\n");
2603	return NULL;
2604	}
2605
2606	fprintf (tempfile, obstr);
2607	fclose (tempfile);
2608
2609	op = get_object ();
2610
2611	object_thawer thawer (filename);
2612
2613	if (thawer)
2614	load_object (thawer, op, 0);
2615
2616	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2617	CLEAR_FLAG (op, FLAG_REMOVED);
2618
2619	return op;
2620	}	2340	}
2621		2341
2622	/* This returns the first object in who's inventory that	2342	/* This returns the first object in who's inventory that
2623	* has the same type and subtype match.	2343	* has the same type and subtype match.
2624	* returns NULL if no match.	2344	* returns NULL if no match.
2625	*/	2345	*/
2626	object *	2346	object *
2627	find_obj_by_type_subtype (const object *who, int type, int subtype)	2347	find_obj_by_type_subtype (const object *who, int type, int subtype)
2628	{	2348	{
2629	object *tmp;
2630
2631	for (tmp = who->inv; tmp; tmp = tmp->below)	2349	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2632	if (tmp->type == type && tmp->subtype == subtype)	2350	if (tmp->type == type && tmp->subtype == subtype)
2633	return tmp;	2351	return tmp;
2634		2352
2635	return NULL;	2353	return 0;
2636	}	2354	}
2637		2355
2638	/* If ob has a field named key, return the link from the list,	2356	/* If ob has a field named key, return the link from the list,
2639	* otherwise return NULL.	2357	* otherwise return NULL.
2640	*	2358	*
…		…
2642	* do the desired thing.	2360	* do the desired thing.
2643	*/	2361	*/
2644	key_value *	2362	key_value *
2645	get_ob_key_link (const object *ob, const char *key)	2363	get_ob_key_link (const object *ob, const char *key)
2646	{	2364	{
2647	key_value *link;
2648
2649	for (link = ob->key_values; link != NULL; link = link->next)	2365	for (key_value *link = ob->key_values; link; link = link->next)
2650	if (link->key == key)	2366	if (link->key == key)
2651	return link;	2367	return link;
2652		2368
2653	return NULL;	2369	return 0;
2654	}	2370	}
2655		2371
2656	/*	2372	/*
2657	* Returns the value of op has an extra_field for key, or NULL.	2373	* Returns the value of op has an extra_field for key, or NULL.
2658	*	2374	*
…		…
2683	if (link->key == canonical_key)	2399	if (link->key == canonical_key)
2684	return link->value;	2400	return link->value;
2685		2401
2686	return 0;	2402	return 0;
2687	}	2403	}
2688
2689		2404
2690	/*	2405	/*
2691	* Updates the canonical_key in op to value.	2406	* Updates the canonical_key in op to value.
2692	*	2407	*
2693	* 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).
…		…
2698	* Returns TRUE on success.	2413	* Returns TRUE on success.
2699	*/	2414	*/
2700	int	2415	int
2701	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2416	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2702	{	2417	{
2703	key_value *
2704	field = NULL, *last = NULL;	2418	key_value *field = NULL, *last = NULL;
2705		2419
2706	for (field = op->key_values; field != NULL; field = field->next)	2420	for (field = op->key_values; field != NULL; field = field->next)
2707	{	2421	{
2708	if (field->key != canonical_key)	2422	if (field->key != canonical_key)
2709	{	2423	{
…		…
2718	/* Basically, if the archetype has this key set,	2432	/* Basically, if the archetype has this key set,
2719	* we need to store the null value so when we save	2433	* we need to store the null value so when we save
2720	* it, we save the empty value so that when we load,	2434	* it, we save the empty value so that when we load,
2721	* we get this value back again.	2435	* we get this value back again.
2722	*/	2436	*/
2723	if (get_ob_key_link (&op->arch->clone, canonical_key))	2437	if (get_ob_key_link (op->arch, canonical_key))
2724	field->value = 0;	2438	field->value = 0;
2725	else	2439	else
2726	{	2440	{
2727	if (last)	2441	if (last)
2728	last->next = field->next;	2442	last->next = field->next;
…		…
2737	/* IF we get here, key doesn't exist */	2451	/* IF we get here, key doesn't exist */
2738		2452
2739	/* No field, we'll have to add it. */	2453	/* No field, we'll have to add it. */
2740		2454
2741	if (!add_key)	2455	if (!add_key)
2742	{
2743	return FALSE;	2456	return FALSE;
2744	}	2457
2745	/* There isn't any good reason to store a null	2458	/* There isn't any good reason to store a null
2746	* value in the key/value list. If the archetype has	2459	* value in the key/value list. If the archetype has
2747	* this key, then we should also have it, so shouldn't	2460	* this key, then we should also have it, so shouldn't
2748	* be here. If user wants to store empty strings,	2461	* be here. If user wants to store empty strings,
2749	* should pass in ""	2462	* should pass in ""
…		…
2798	}	2511	}
2799	else	2512	else
2800	item = item->env;	2513	item = item->env;
2801	}	2514	}
2802		2515
		2516	const char *
		2517	object::flag_desc (char *desc, int len) const
		2518	{
		2519	char *p = desc;
		2520	bool first = true;
		2521
		2522	*p = 0;
		2523
		2524	for (int i = 0; i < NUM_FLAGS; i++)
		2525	{
		2526	if (len <= 10) // magic constant!
		2527	{
		2528	snprintf (p, len, ",...");
		2529	break;
		2530	}
		2531
		2532	if (flag [i])
		2533	{
		2534	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2535	len -= cnt;
		2536	p += cnt;
		2537	first = false;
		2538	}
		2539	}
		2540
		2541	return desc;
		2542	}
		2543
2803	// return a suitable string describing an objetc in enough detail to find it	2544	// return a suitable string describing an object in enough detail to find it
2804	const char *	2545	const char *
2805	object::debug_desc (char *info) const	2546	object::debug_desc (char *info) const
2806	{	2547	{
		2548	char flagdesc[512];
2807	char info2[256 * 3];	2549	char info2[256 * 4];
2808	char *p = info;	2550	char *p = info;
2809		2551
2810	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2552	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2811	count,	2553	count,
		2554	uuid.c_str (),
2812	&name,	2555	&name,
2813	title ? " " : "",	2556	title ? "\",title:\"" : "",
2814	title ? (const char *)title : "");	2557	title ? (const char *)title : "",
		2558	flag_desc (flagdesc, 512), type);
2815		2559
2816	if (env)	2560	if (!this->flag[FLAG_REMOVED] && env)
2817	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2561	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2818		2562
2819	if (map)	2563	if (map)
2820	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);
2821		2565
2822	return info;	2566	return info;
2823	}	2567	}
2824		2568
2825	const char *	2569	const char *
2826	object::debug_desc () const	2570	object::debug_desc () const
2827	{	2571	{
2828	static char info[256 * 3];	2572	static char info[3][256 * 4];
		2573	static int info_idx;
		2574
2829	return debug_desc (info);	2575	return debug_desc (info [++info_idx % 3]);
2830	}	2576	}
2831		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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