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Comparing deliantra/server/common/object.C (file contents):
Revision 1.84 by root, Mon Dec 25 14:54:44 2006 UTC vs.
Revision 1.238 by root, Wed May 7 11:02:50 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 <sproto.h>
33	#include <loader.h>	30	#include <loader.h>
34		31
35	#include <bitset>	32	#include <bitset>
36		33
37	int nrofallocobjects = 0;	34	UUID UUID::cur;
38	static UUID uuid;	35	static uint64_t seq_next_save;
39	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
40		37
41	object *active_objects; /* List of active objects that need to be processed */	38	objectvec objects;
		39	activevec actives;
42		40
43	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	41	short freearr_x[SIZEOFFREE] = {
		42	0,
		43	0, 1, 1, 1, 0, -1, -1, -1,
		44	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
44	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	45	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
45	};	46	};
46	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	47	short freearr_y[SIZEOFFREE] = {
		48	0,
		49	-1, -1, 0, 1, 1, 1, 0, -1,
		50	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
47	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	51	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
48	};	52	};
49	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,	53	int maxfree[SIZEOFFREE] = {
		54	0,
		55	9, 10, 13, 14, 17, 18, 21, 22,
		56	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
50	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49	57	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
51	};	58	};
52	int freedir[SIZEOFFREE] = {	59	int freedir[SIZEOFFREE] = {
53	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	60	0,
		61	1, 2, 3, 4, 5, 6, 7, 8,
		62	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
54	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	63	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
55	};	64	};
56		65
57	static void	66	static void
58	write_uuid (void)	67	write_uuid (uval64 skip, bool sync)
59	{	68	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	69	CALL_BEGIN (2);
61		70	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	71	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	72	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		73	CALL_END;
65	FILE *fp;
66
67	if (!(fp = fopen (filename2, "w")))
68	{
69	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
70	return;
71	}
72
73	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
74	fclose (fp);
75	rename (filename2, filename1);
76	}	74	}
77		75
78	static void	76	static void
79	read_uuid (void)	77	read_uuid (void)
80	{	78	{
81	char filename[MAX_BUF];	79	char filename[MAX_BUF];
82		80
83	sprintf (filename, "%s/uuid", settings.localdir);	81	sprintf (filename, "%s/uuid", settings.localdir);
		82
		83	seq_next_save = 0;
84		84
85	FILE *fp;	85	FILE *fp;
86		86
87	if (!(fp = fopen (filename, "r")))	87	if (!(fp = fopen (filename, "r")))
88	{	88	{
89	if (errno == ENOENT)	89	if (errno == ENOENT)
90	{	90	{
91	LOG (llevInfo, "RESET uid to 1\n");	91	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	92	UUID::cur.seq = 0;
93	write_uuid ();	93	write_uuid (UUID_GAP, true);
94	return;	94	return;
95	}	95	}
96		96
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	98	_exit (1);
99	}	99	}
100		100
101	int version;	101	UUID::BUF buf;
102	unsigned long long uid;	102	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	103	fgets (buf, sizeof (buf), fp);
		104
		105	if (!UUID::cur.parse (buf))
104	{	106	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	107	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	108	_exit (1);
107	}	109	}
108		110
109	uuid.seq = uid;	111	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	112
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	113	write_uuid (UUID_GAP, true);
112	fclose (fp);	114	fclose (fp);
113	}	115	}
114		116
115	UUID	117	UUID
116	gen_uuid ()	118	UUID::gen ()
117	{	119	{
118	UUID uid;	120	UUID uid;
119		121
120	uid.seq = ++uuid.seq;	122	uid.seq = ++cur.seq;
121		123
122	if (!(uuid.seq & (UUID_SKIP - 1)))	124	if (expect_false (cur.seq >= seq_next_save))
123	write_uuid ();	125	{
		126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		127	write_uuid (UUID_GAP, false);
		128	}
		129
124		130
125	return uid;	131	return uid;
126	}	132	}
127		133
128	void	134	void
129	init_uuid ()	135	UUID::init ()
130	{	136	{
131	read_uuid ();	137	read_uuid ();
132	}	138	}
133		139
134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	140	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
135	static int	141	static bool
136	compare_ob_value_lists_one (const object *wants, const object *has)	142	compare_ob_value_lists_one (const object *wants, const object *has)
137	{	143	{
138	key_value *wants_field;
139
140	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	144	/* n-squared behaviour (see kv_get), but I'm hoping both
141	* objects with lists are rare, and lists stay short. If not, use a	145	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	146	* different structure or at least keep the lists sorted...
143	*/	147	*/
144		148
145	/* For each field in wants, */	149	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	150	for (key_value *kv = wants->key_values; kv; kv = kv->next)
147	{	151	if (has->kv_get (kv->key) != kv->value)
148	key_value *has_field;	152	return false;
149
150	/* Look for a field in has with the same key. */
151	has_field = get_ob_key_link (has, wants_field->key);
152
153	if (has_field == NULL)
154	{
155	/* No field with that name. */
156	return FALSE;
157	}
158
159	/* Found the matching field. */
160	if (has_field->value != wants_field->value)
161	{
162	/* Values don't match, so this half of the comparison is false. */
163	return FALSE;
164	}
165
166	/* If we get here, we found a match. Now for the next field in wants. */
167	}
168		153
169	/* If we get here, every field in wants has a matching field in has. */	154	/* If we get here, every field in wants has a matching field in has. */
170	return TRUE;	155	return true;
171	}	156	}
172		157
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	158	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static int	159	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	160	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	161	{
177	/* However, there may be fields in has which aren't partnered in wants,	162	/* However, there may be fields in has which aren't partnered in wants,
178	* so we need to run the comparison *twice*. :(	163	* so we need to run the comparison *twice*. :(
179	*/	164	*/
180	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	165	return compare_ob_value_lists_one (ob1, ob2)
		166	&& compare_ob_value_lists_one (ob2, ob1);
181	}	167	}
182		168
183	/* Function examines the 2 objects given to it, and returns true if	169	/* Function examines the 2 objects given to it, and returns true if
184	* they can be merged together.	170	* they can be merged together.
185	*	171	*
…		…
190	* Check nrof variable *before* calling can_merge()	176	* Check nrof variable *before* calling can_merge()
191	*	177	*
192	* Improvements made with merge: Better checking on potion, and also	178	* Improvements made with merge: Better checking on potion, and also
193	* check weight	179	* check weight
194	*/	180	*/
195
196	bool object::can_merge_slow (object *ob1, object *ob2)	181	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	182	{
198	/* A couple quicksanity checks */	183	/* A couple quicksanity checks */
199	if (ob1 == ob2	184	if (ob1 == ob2
200	|| ob1->type != ob2->type	185	|| ob1->type != ob2->type
201	|| ob1->speed != ob2->speed	186	|| ob1->speed != ob2->speed
202	|| ob1->value != ob2->value	187	|| ob1->value != ob2->value
203	|| ob1->name != ob2->name)	188	|| ob1->name != ob2->name)
204	return 0;	189	return 0;
205		190
206	//TODO: this ain't working well, use nicer and correct overflow check	191	/* Do not merge objects if nrof would overflow. First part checks
207	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	192	* for unsigned overflow (2c), second part checks whether the result
208	* value could not be stored in a sint32 (which unfortunately sometimes is	193	* would fit into a 32 bit signed int, which is often used to hold
209	* used to store nrof).	194	* nrof values.
210	*/	195	*/
211	if (ob1->nrof + ob2->nrof >= 1UL << 31)	196	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
212	return 0;	197	return 0;
213		198
214	/* If the objects have been identified, set the BEEN_APPLIED flag.	199	/* If the objects have been identified, set the BEEN_APPLIED flag.
215	* This is to the comparison of the flags below will be OK. We	200	* This is to the comparison of the flags below will be OK. We
216	* just can't ignore the been applied or identified flags, as they	201	* just can't ignore the been applied or identified flags, as they
217	* are not equal - just if it has been identified, the been_applied	202	* are not equal - just if it has been identified, the been_applied
218	* flags lose any meaning.	203	* flags lose any meaning.
219	*/	204	*/
220	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	205	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	206	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
222		207
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	208	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	209	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
225		210
226	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	211	if (ob1->arch->name != ob2->arch->name
227	|| ob1->arch != ob2->arch
228	|| ob1->name != ob2->name	212	|| ob1->name != ob2->name
229	|| ob1->title != ob2->title	213	|| ob1->title != ob2->title
230	|| ob1->msg != ob2->msg	214	|| ob1->msg != ob2->msg
231	|| ob1->weight != ob2->weight	215	|| ob1->weight != ob2->weight
232	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
233	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
234	|| ob1->attacktype != ob2->attacktype	216	|| ob1->attacktype != ob2->attacktype
235	|| ob1->magic != ob2->magic	217	|| ob1->magic != ob2->magic
236	|| ob1->slaying != ob2->slaying	218	|| ob1->slaying != ob2->slaying
237	|| ob1->skill != ob2->skill	219	|| ob1->skill != ob2->skill
238	|| ob1->value != ob2->value	220	|| ob1->value != ob2->value
…		…
245	|| ob1->move_block != ob2->move_block	227	|| ob1->move_block != ob2->move_block
246	|| ob1->move_allow != ob2->move_allow	228	|| ob1->move_allow != ob2->move_allow
247	|| ob1->move_on != ob2->move_on	229	|| ob1->move_on != ob2->move_on
248	|| ob1->move_off != ob2->move_off	230	|| ob1->move_off != ob2->move_off
249	|| ob1->move_slow != ob2->move_slow	231	|| ob1->move_slow != ob2->move_slow
250	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	232	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
251	return 0;	235	return 0;
252		236
		237	if ((ob1->flag ^ ob2->flag)
		238	.reset (FLAG_INV_LOCKED)
		239	.reset (FLAG_CLIENT_SENT)
		240	.reset (FLAG_REMOVED)
		241	.any ())
		242	return 0;
		243
253	/* This is really a spellbook check - really, we should	244	/* This is really a spellbook check - we should in general
254	* check all objects in the inventory.	245	* not merge objects with real inventories, as splitting them
		246	* is hard.
255	*/	247	*/
256	if (ob1->inv || ob2->inv)	248	if (ob1->inv || ob2->inv)
257	{	249	{
258	/* if one object has inventory but the other doesn't, not equiv */	250	if (!(ob1->inv && ob2->inv))
259	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	251	return 0; /* inventories differ in length */
260	return 0;
261		252
262	/* Now check to see if the two inventory objects could merge */	253	if (ob1->inv->below || ob2->inv->below)
		254	return 0; /* more than one object in inv */
		255
263	if (!object::can_merge (ob1->inv, ob2->inv))	256	if (!object::can_merge (ob1->inv, ob2->inv))
264	return 0;	257	return 0; /* inventory objects differ */
265		258
266	/* inventory ok - still need to check rest of this object to see	259	/* inventory ok - still need to check rest of this object to see
267	* if it is valid.	260	* if it is valid.
268	*/	261	*/
269	}	262	}
…		…
277		270
278	/* Note sure why the following is the case - either the object has to	271	/* Note sure why the following is the case - either the object has to
279	* be animated or have a very low speed. Is this an attempted monster	272	* be animated or have a very low speed. Is this an attempted monster
280	* check?	273	* check?
281	*/	274	*/
282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	275	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
283	return 0;	276	return 0;
284		277
285	switch (ob1->type)	278	switch (ob1->type)
286	{	279	{
287	case SCROLL:	280	case SCROLL:
288	if (ob1->level != ob2->level)	281	if (ob1->level != ob2->level)
289	return 0;	282	return 0;
290	break;	283	break;
291	}	284	}
292		285
293	if (ob1->key_values != NULL || ob2->key_values != NULL)	286	if (ob1->key_values || ob2->key_values)
294	{	287	{
295	/* At least one of these has key_values. */	288	/* At least one of these has key_values. */
296	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	289	if ((!ob1->key_values) != (!ob2->key_values))
297	/* One has fields, but the other one doesn't. */	290	return 0; /* One has fields, but the other one doesn't. */
		291
		292	if (!compare_ob_value_lists (ob1, ob2))
298	return 0;	293	return 0;
299	else if (!compare_ob_value_lists (ob1, ob2))
300	return 0;
301	}	294	}
302		295
303	//TODO: generate an event or call into perl for additional checks
304	if (ob1->self || ob2->self)	296	if (ob1->self || ob2->self)
305	{	297	{
306	ob1->optimise ();	298	ob1->optimise ();
307	ob2->optimise ();	299	ob2->optimise ();
308		300
309	if (ob1->self || ob2->self)	301	if (ob1->self || ob2->self)
		302	{
		303	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		304	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		305
		306	if (k1 != k2)
310	return 0;	307	return 0;
		308
		309	if (k1 == 0)
		310	return 1;
		311
		312	if (!cfperl_can_merge (ob1, ob2))
		313	return 0;
		314	}
311	}	315	}
312		316
313	/* Everything passes, must be OK. */	317	/* Everything passes, must be OK. */
314	return 1;	318	return 1;
315	}	319	}
316		320
		321	// find player who can see this object
		322	object *
		323	object::visible_to () const
		324	{
		325	if (client_visible () && !flag [FLAG_REMOVED])
		326	{
		327	// see if we are in a container of sorts
		328	if (env)
		329	{
		330	// the player inventory itself is always visible
		331	if (env->type == PLAYER)
		332	return env;
		333
		334	// else a player could have our env open
		335	object *envest = env->outer_env ();
		336
		337	// the player itself is always on a map, so we will find him here
		338	// even if our inv is in a player.
		339	if (envest->is_on_map ())
		340	if (object *pl = envest->ms ().player ())
		341	if (pl->container == env)
		342	return pl;
		343	}
		344	else
		345	{
		346	// maybe there is a player standing on the same mapspace
		347	// this will catch the case where "this" is a player
		348	if (object *pl = ms ().player ())
		349	if (!pl->container || this == pl->container)
		350	return pl;
		351	}
		352	}
		353
		354	return 0;
		355	}
		356
		357	// adjust weight per container type ("of holding")
		358	static sint32
		359	weight_adjust_for (object *op, sint32 weight)
		360	{
		361	return op->type == CONTAINER
		362	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		363	: weight;
		364	}
		365
317	/*	366	/*
		367	* adjust_weight(object, weight) adds the specified weight to an object,
		368	* and also updates how much the environment(s) is/are carrying.
		369	*/
		370	static void
		371	adjust_weight (object *op, sint32 weight)
		372	{
		373	while (op)
		374	{
		375	// adjust by actual difference to account for rounding errors
		376	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		377	weight = weight_adjust_for (op, op->carrying)
		378	- weight_adjust_for (op, op->carrying - weight);
		379
		380	if (!weight)
		381	return;
		382
		383	op->carrying += weight;
		384
		385	if (object *pl = op->visible_to ())
		386	if (pl != op) // player is handled lazily
		387	esrv_update_item (UPD_WEIGHT, pl, op);
		388
		389	op = op->env;
		390	}
		391	}
		392
		393	/*
318	* sum_weight() is a recursive function which calculates the weight	394	* this is a recursive function which calculates the weight
319	* an object is carrying. It goes through in figures out how much	395	* an object is carrying. It goes through op and figures out how much
320	* containers are carrying, and sums it up.	396	* containers are carrying, and sums it up.
321	*/	397	*/
322	long	398	void
323	sum_weight (object *op)	399	object::update_weight ()
324	{	400	{
325	long sum;	401	sint32 sum = 0;
326	object *inv;
327		402
328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	403	for (object *op = inv; op; op = op->below)
329	{	404	{
330	if (inv->inv)	405	if (op->inv)
331	sum_weight (inv);	406	op->update_weight ();
332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	407
		408	sum += op->total_weight ();
		409	}
		410
		411	sum = weight_adjust_for (this, sum);
		412
		413	if (sum != carrying)
333	}	414	{
334
335	if (op->type == CONTAINER && op->stats.Str)
336	sum = (sum * (100 - op->stats.Str)) / 100;
337
338	if (op->carrying != sum)
339	op->carrying = sum;	415	carrying = sum;
340		416
341	return sum;	417	if (object *pl = visible_to ())
		418	if (pl != this) // player is handled lazily
		419	esrv_update_item (UPD_WEIGHT, pl, this);
		420	}
342	}	421	}
343		422
344	/**	423	/*
345	* Return the outermost environment object for a given object.	424	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
346	*/	425	*/
347
348	object *
349	object_get_env_recursive (object *op)
350	{
351	while (op->env != NULL)
352	op = op->env;
353	return op;
354	}
355
356	/*
357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
358	* Some error messages.
359	* The result of the dump is stored in the static global errmsg array.
360	*/
361
362	char *	426	char *
363	dump_object (object *op)	427	dump_object (object *op)
364	{	428	{
365	if (!op)	429	if (!op)
366	return strdup ("[NULLOBJ]");	430	return strdup ("[NULLOBJ]");
367		431
368	object_freezer freezer;	432	object_freezer freezer;
369	save_object (freezer, op, 3);	433	op->write (freezer);
370	return freezer.as_string ();	434	return freezer.as_string ();
371	}	435	}
372		436
373	/*	437	/*
374	* get_nearest_part(multi-object, object 2) returns the part of the	438	* get_nearest_part(multi-object, object 2) returns the part of the
375	* multi-object 1 which is closest to the second object.	439	* multi-object 1 which is closest to the second object.
376	* If it's not a multi-object, it is returned.	440	* If it's not a multi-object, it is returned.
377	*/	441	*/
378
379	object *	442	object *
380	get_nearest_part (object *op, const object *pl)	443	get_nearest_part (object *op, const object *pl)
381	{	444	{
382	object *tmp, *closest;	445	object *tmp, *closest;
383	int last_dist, i;	446	int last_dist, i;
384		447
385	if (op->more == NULL)	448	if (!op->more)
386	return op;	449	return op;
		450
387	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	451	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		452	tmp;
		453	tmp = tmp->more)
388	if ((i = distance (tmp, pl)) < last_dist)	454	if ((i = distance (tmp, pl)) < last_dist)
389	closest = tmp, last_dist = i;	455	closest = tmp, last_dist = i;
		456
390	return closest;	457	return closest;
391	}	458	}
392		459
393	/*	460	/*
394	* Returns the object which has the count-variable equal to the argument.	461	* Returns the object which has the count-variable equal to the argument.
		462	* VERRRY slow.
395	*/	463	*/
396
397	object *	464	object *
398	find_object (tag_t i)	465	find_object (tag_t i)
399	{	466	{
400	for (object *op = object::first; op; op = op->next)	467	for_all_objects (op)
401	if (op->count == i)	468	if (op->count == i)
402	return op;	469	return op;
403		470
404	return 0;	471	return 0;
405	}	472	}
406		473
407	/*	474	/*
408	* Returns the first object which has a name equal to the argument.	475	* Returns the first object which has a name equal to the argument.
409	* Used only by the patch command, but not all that useful.	476	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	477	* Enables features like "patch <name-of-other-player> food 999"
411	*/	478	*/
412
413	object *	479	object *
414	find_object_name (const char *str)	480	find_object_name (const char *str)
415	{	481	{
416	shstr_cmp str_ (str);	482	shstr_cmp str_ (str);
417	object *op;	483	object *op;
418		484
419	for (op = object::first; op != NULL; op = op->next)	485	for_all_objects (op)
420	if (op->name == str_)	486	if (op->name == str_)
421	break;	487	break;
422		488
423	return op;	489	return op;
424	}	490	}
425		491
426	void
427	free_all_object_data ()
428	{
429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
430	}
431
432	/*	492	/*
433	* Sets the owner and sets the skill and exp pointers to owner's current	493	* Sets the owner and sets the skill and exp pointers to owner's current
434	* skill and experience objects.	494	* skill and experience objects.
		495	* ACTUALLY NO! investigate! TODO
435	*/	496	*/
436	void	497	void
437	object::set_owner (object *owner)	498	object::set_owner (object *owner)
438	{	499	{
		500	// allow objects which own objects
439	if (!owner)	501	if (owner)
440	return;
441
442	/* next line added to allow objects which own objects */
443	/* Add a check for ownercounts in here, as I got into an endless loop
444	* with the fireball owning a poison cloud which then owned the
445	* fireball. I believe that was caused by one of the objects getting
446	* freed and then another object replacing it. Since the ownercounts
447	* didn't match, this check is valid and I believe that cause is valid.
448	*/
449	while (owner->owner)	502	while (owner->owner)
450	owner = owner->owner;	503	owner = owner->owner;
		504
		505	if (flag [FLAG_FREED])
		506	{
		507	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		508	return;
		509	}
451		510
452	this->owner = owner;	511	this->owner = owner;
		512	}
		513
		514	int
		515	object::slottype () const
		516	{
		517	if (type == SKILL)
		518	{
		519	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		520	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		521	}
		522	else
		523	{
		524	if (slot [body_combat].info) return slot_combat;
		525	if (slot [body_range ].info) return slot_ranged;
		526	}
		527
		528	return slot_none;
		529	}
		530
		531	bool
		532	object::change_weapon (object *ob)
		533	{
		534	if (current_weapon == ob)
		535	return true;
		536
		537	if (chosen_skill)
		538	chosen_skill->flag [FLAG_APPLIED] = false;
		539
		540	current_weapon = ob;
		541	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		542
		543	if (chosen_skill)
		544	chosen_skill->flag [FLAG_APPLIED] = true;
		545
		546	update_stats ();
		547
		548	if (ob)
		549	{
		550	// now check wether any body locations became invalid, in which case
		551	// we cannot apply the weapon at the moment.
		552	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		553	if (slot[i].used < 0)
		554	{
		555	current_weapon = chosen_skill = 0;
		556	update_stats ();
		557
		558	new_draw_info_format (NDI_UNIQUE, 0, this,
		559	"You try to balance all your items at once, "
		560	"but the %s is just too much for your body. "
		561	"[You need to unapply some items first.]", &ob->name);
		562	return false;
		563	}
		564
		565	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		566	}
		567	else
		568	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		569
		570	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		571	{
		572	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		573	&name, ob->debug_desc ());
		574	return false;
		575	}
		576
		577	return true;
453	}	578	}
454		579
455	/* Zero the key_values on op, decrementing the shared-string	580	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	581	* refcounts and freeing the links.
457	*/	582	*/
458	static void	583	static void
459	free_key_values (object *op)	584	free_key_values (object *op)
460	{	585	{
461	for (key_value *i = op->key_values; i != 0;)	586	for (key_value *i = op->key_values; i; )
462	{	587	{
463	key_value *next = i->next;	588	key_value *next = i->next;
464	delete i;	589	delete i;
465		590
466	i = next;	591	i = next;
…		…
478	* will point at garbage.	603	* will point at garbage.
479	*/	604	*/
480	void	605	void
481	object::copy_to (object *dst)	606	object::copy_to (object *dst)
482	{	607	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	608	dst->remove ();
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
485
486	*(object_copy *)dst = *this;	609	*(object_copy *)dst = *this;
487		610	dst->flag [FLAG_REMOVED] = true;
488	if (is_freed)
489	SET_FLAG (dst, FLAG_FREED);
490
491	if (is_removed)
492	SET_FLAG (dst, FLAG_REMOVED);
493
494	if (speed < 0)
495	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
496		611
497	/* Copy over key_values, if any. */	612	/* Copy over key_values, if any. */
498	if (key_values)	613	if (key_values)
499	{	614	{
500	key_value *tail = 0;	615	key_value *tail = 0;
501	key_value *i;
502
503	dst->key_values = 0;	616	dst->key_values = 0;
504		617
505	for (i = key_values; i; i = i->next)	618	for (key_value *i = key_values; i; i = i->next)
506	{	619	{
507	key_value *new_link = new key_value;	620	key_value *new_link = new key_value;
508		621
509	new_link->next = 0;	622	new_link->next = 0;
510	new_link->key = i->key;	623	new_link->key = i->key;
511	new_link->value = i->value;	624	new_link->value = i->value;
512		625
513	/* Try and be clever here, too. */	626	/* Try and be clever here, too. */
514	if (!dst->key_values)	627	if (!dst->key_values)
515	{	628	{
…		…
522	tail = new_link;	635	tail = new_link;
523	}	636	}
524	}	637	}
525	}	638	}
526		639
527	update_ob_speed (dst);	640	if (speed < 0)
		641	dst->speed_left -= rndm ();
		642
		643	dst->set_speed (dst->speed);
		644	}
		645
		646	void
		647	object::instantiate ()
		648	{
		649	if (!uuid.seq) // HACK
		650	uuid = UUID::gen ();
		651
		652	speed_left = -0.1f;
		653	/* copy the body_info to the body_used - this is only really
		654	* need for monsters, but doesn't hurt to do it for everything.
		655	* by doing so, when a monster is created, it has good starting
		656	* values for the body_used info, so when items are created
		657	* for it, they can be properly equipped.
		658	*/
		659	for (int i = NUM_BODY_LOCATIONS; i--; )
		660	slot[i].used = slot[i].info;
		661
		662	attachable::instantiate ();
528	}	663	}
529		664
530	object *	665	object *
531	object::clone ()	666	object::clone ()
532	{	667	{
533	object *neu = create ();	668	object *neu = create ();
534	copy_to (neu);	669	copy_to (neu);
		670	neu->map = map; // not copied by copy_to
535	return neu;	671	return neu;
536	}	672	}
537		673
538	/*	674	/*
539	* If an object with the IS_TURNABLE() flag needs to be turned due	675	* If an object with the IS_TURNABLE() flag needs to be turned due
540	* to the closest player being on the other side, this function can	676	* to the closest player being on the other side, this function can
541	* be called to update the face variable, _and_ how it looks on the map.	677	* be called to update the face variable, _and_ how it looks on the map.
542	*/	678	*/
543
544	void	679	void
545	update_turn_face (object *op)	680	update_turn_face (object *op)
546	{	681	{
547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	682	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
548	return;	683	return;
		684
549	SET_ANIMATION (op, op->direction);	685	SET_ANIMATION (op, op->direction);
550	update_object (op, UP_OBJ_FACE);	686	update_object (op, UP_OBJ_FACE);
551	}	687	}
552		688
553	/*	689	/*
554	* Updates the speed of an object. If the speed changes from 0 to another	690	* Updates the speed of an object. If the speed changes from 0 to another
555	* value, or vice versa, then add/remove the object from the active list.	691	* value, or vice versa, then add/remove the object from the active list.
556	* This function needs to be called whenever the speed of an object changes.	692	* This function needs to be called whenever the speed of an object changes.
557	*/	693	*/
558	void	694	void
559	update_ob_speed (object *op)	695	object::set_speed (float speed)
560	{	696	{
561	extern int arch_init;	697	if (flag [FLAG_FREED] && speed)
562
563	/* No reason putting the archetypes objects on the speed list,
564	* since they never really need to be updated.
565	*/
566
567	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
568	{	698	{
569	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	699	LOG (llevError, "Object %s is freed but has speed.\n", &name);
570	#ifdef MANY_CORES
571	abort ();
572	#else
573	op->speed = 0;	700	speed = 0;
574	#endif
575	}
576
577	if (arch_init)
578	return;
579
580	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
581	{	701	}
582	/* If already on active list, don't do anything */
583	if (op->active_next || op->active_prev || op == active_objects)
584	return;
585		702
586	/* process_events() expects us to insert the object at the beginning	703	this->speed = speed;
587	* of the list. */
588	op->active_next = active_objects;
589		704
590	if (op->active_next != NULL)	705	if (has_active_speed ())
591	op->active_next->active_prev = op;	706	activate ();
592
593	active_objects = op;
594	}
595	else	707	else
596	{	708	deactivate ();
597	/* If not on the active list, nothing needs to be done */
598	if (!op->active_next && !op->active_prev && op != active_objects)
599	return;
600
601	if (op->active_prev == NULL)
602	{
603	active_objects = op->active_next;
604
605	if (op->active_next != NULL)
606	op->active_next->active_prev = NULL;
607	}
608	else
609	{
610	op->active_prev->active_next = op->active_next;
611
612	if (op->active_next)
613	op->active_next->active_prev = op->active_prev;
614	}
615
616	op->active_next = NULL;
617	op->active_prev = NULL;
618	}
619	}
620
621	/* This function removes object 'op' from the list of active
622	* objects.
623	* This should only be used for style maps or other such
624	* reference maps where you don't want an object that isn't
625	* in play chewing up cpu time getting processed.
626	* The reverse of this is to call update_ob_speed, which
627	* will do the right thing based on the speed of the object.
628	*/
629	void
630	remove_from_active_list (object *op)
631	{
632	/* If not on the active list, nothing needs to be done */
633	if (!op->active_next && !op->active_prev && op != active_objects)
634	return;
635
636	if (op->active_prev == NULL)
637	{
638	active_objects = op->active_next;
639	if (op->active_next != NULL)
640	op->active_next->active_prev = NULL;
641	}
642	else
643	{
644	op->active_prev->active_next = op->active_next;
645	if (op->active_next)
646	op->active_next->active_prev = op->active_prev;
647	}
648	op->active_next = NULL;
649	op->active_prev = NULL;
650	}	709	}
651		710
652	/*	711	/*
653	* update_object() updates the the map.	712	* update_object() updates the the map.
654	* It takes into account invisible objects (and represent squares covered	713	* It takes into account invisible objects (and represent squares covered
…		…
667	* UP_OBJ_FACE: only the objects face has changed.	726	* UP_OBJ_FACE: only the objects face has changed.
668	*/	727	*/
669	void	728	void
670	update_object (object *op, int action)	729	update_object (object *op, int action)
671	{	730	{
672	MoveType move_on, move_off, move_block, move_slow;	731	if (!op)
673
674	if (op == NULL)
675	{	732	{
676	/* this should never happen */	733	/* this should never happen */
677	LOG (llevDebug, "update_object() called for NULL object.\n");	734	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
678	return;	735	return;
679	}	736	}
680		737
681	if (op->env)	738	if (!op->is_on_map ())
682	{	739	{
683	/* Animation is currently handled by client, so nothing	740	/* Animation is currently handled by client, so nothing
684	* to do in this case.	741	* to do in this case.
685	*/	742	*/
686	return;	743	return;
687	}	744	}
688
689	/* If the map is saving, don't do anything as everything is
690	* going to get freed anyways.
691	*/
692	if (!op->map || op->map->in_memory == MAP_SAVING)
693	return;
694		745
695	/* make sure the object is within map boundaries */	746	/* make sure the object is within map boundaries */
696	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	747	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
697	{	748	{
698	LOG (llevError, "update_object() called for object out of map!\n");	749	LOG (llevError, "update_object() called for object out of map!\n");
…		…
702	return;	753	return;
703	}	754	}
704		755
705	mapspace &m = op->ms ();	756	mapspace &m = op->ms ();
706		757
707	if (m.flags_ & P_NEED_UPDATE)	758	if (!(m.flags_ & P_UPTODATE))
708	/* nop */;	759	/* nop */;
709	else if (action == UP_OBJ_INSERT)	760	else if (action == UP_OBJ_INSERT)
710	{	761	{
711	// this is likely overkill, TODO: revisit (schmorp)	762	// this is likely overkill, TODO: revisit (schmorp)
712	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	763	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
…		…
721	/* This isn't perfect, but I don't expect a lot of objects to	772	/* This isn't perfect, but I don't expect a lot of objects to
722	* to have move_allow right now.	773	* to have move_allow right now.
723	*/	774	*/
724	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	775	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
725	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	776	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
726	m.flags_ = P_NEED_UPDATE;	777	m.flags_ = 0;
727	}	778	}
728	/* if the object is being removed, we can't make intelligent	779	/* if the object is being removed, we can't make intelligent
729	* decisions, because remove_ob can't really pass the object	780	* decisions, because remove_ob can't really pass the object
730	* that is being removed.	781	* that is being removed.
731	*/	782	*/
732	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	783	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
733	m.flags_ = P_NEED_UPDATE;	784	m.flags_ = 0;
734	else if (action == UP_OBJ_FACE)	785	else if (action == UP_OBJ_FACE)
735	/* Nothing to do for that case */ ;	786	/* Nothing to do for that case */ ;
736	else	787	else
737	LOG (llevError, "update_object called with invalid action: %d\n", action);	788	LOG (llevError, "update_object called with invalid action: %d\n", action);
738		789
739	if (op->more)	790	if (op->more)
740	update_object (op->more, action);	791	update_object (op->more, action);
741	}	792	}
742		793
743	object::vector object::objects; // not yet used
744	object *object::first;
745
746	object::object ()	794	object::object ()
747	{	795	{
748	SET_FLAG (this, FLAG_REMOVED);	796	SET_FLAG (this, FLAG_REMOVED);
749		797
750	expmul = 1.0;	798	expmul = 1.0;
751	face = blank_face;	799	face = blank_face;
752	}	800	}
753		801
754	object::~object ()	802	object::~object ()
755	{	803	{
		804	unlink ();
		805
756	free_key_values (this);	806	free_key_values (this);
757	}	807	}
758		808
		809	static int object_count;
		810
759	void object::link ()	811	void object::link ()
760	{	812	{
		813	assert (!index);//D
		814	uuid = UUID::gen ();
761	count = ++ob_count;	815	count = ++object_count;
762	uuid = gen_uuid ();
763		816
764	prev = 0;	817	refcnt_inc ();
765	next = object::first;	818	objects.insert (this);
766
767	if (object::first)
768	object::first->prev = this;
769
770	object::first = this;
771	}	819	}
772		820
773	void object::unlink ()	821	void object::unlink ()
774	{	822	{
775	if (this == object::first)	823	if (!index)
776	object::first = next;
777
778	/* Remove this object from the list of used objects */
779	if (prev) prev->next = next;
780	if (next) next->prev = prev;
781
782	prev = 0;
783	next = 0;
784	}
785
786	object *object::create ()
787	{
788	object *op = new object;
789	op->link ();
790	return op;
791	}
792
793	/*
794	* free_object() frees everything allocated by an object, removes
795	* it from the list of used objects, and puts it on the list of
796	* free objects. The IS_FREED() flag is set in the object.
797	* The object must have been removed by remove_ob() first for
798	* this function to succeed.
799	*
800	* If destroy_inventory is set, free inventory as well. Else drop items in
801	* inventory to the ground.
802	*/
803	void
804	object::do_destroy ()
805	{
806	attachable::do_destroy ();
807
808	if (flag [FLAG_IS_LINKED])
809	remove_button_link (this);
810
811	if (flag [FLAG_FRIENDLY])
812	remove_friendly_object (this);
813
814	if (!flag [FLAG_REMOVED])
815	remove ();
816
817	if (flag [FLAG_FREED])
818	return;	824	return;
819		825
820	flag [FLAG_FREED] = 1;	826	objects.erase (this);
		827	refcnt_dec ();
		828	}
821		829
822	// hack to ensure that freed objects still have a valid map	830	void
823	{	831	object::activate ()
824	static maptile *freed_map; // freed objects are moved here to avoid crashes	832	{
		833	/* If already on active list, don't do anything */
		834	if (active)
		835	return;
825		836
826	if (!freed_map)	837	if (has_active_speed ())
		838	actives.insert (this);
		839	}
		840
		841	void
		842	object::activate_recursive ()
		843	{
		844	activate ();
		845
		846	for (object *op = inv; op; op = op->below)
		847	op->activate_recursive ();
		848	}
		849
		850	/* This function removes object 'op' from the list of active
		851	* objects.
		852	* This should only be used for style maps or other such
		853	* reference maps where you don't want an object that isn't
		854	* in play chewing up cpu time getting processed.
		855	* The reverse of this is to call update_ob_speed, which
		856	* will do the right thing based on the speed of the object.
		857	*/
		858	void
		859	object::deactivate ()
		860	{
		861	/* If not on the active list, nothing needs to be done */
		862	if (!active)
		863	return;
		864
		865	actives.erase (this);
		866	}
		867
		868	void
		869	object::deactivate_recursive ()
		870	{
		871	for (object *op = inv; op; op = op->below)
		872	op->deactivate_recursive ();
		873
		874	deactivate ();
		875	}
		876
		877	void
		878	object::set_flag_inv (int flag, int value)
		879	{
		880	for (object *op = inv; op; op = op->below)
827	{	881	{
828	freed_map = new maptile;	882	op->flag [flag] = value;
829		883	op->set_flag_inv (flag, value);
830	freed_map->name = "/internal/freed_objects_map";
831	freed_map->width = 3;
832	freed_map->height = 3;
833
834	freed_map->allocate ();
835	}	884	}
836
837	map = freed_map;
838	x = 1;
839	y = 1;
840	}
841
842	more = 0;
843	head = 0;
844	inv = 0;
845
846	// clear those pointers that likely might have circular references to us
847	owner = 0;
848	enemy = 0;
849	attacked_by = 0;
850
851	// only relevant for players(?), but make sure of it anyways
852	contr = 0;
853
854	/* Remove object from the active list */
855	speed = 0;
856	update_ob_speed (this);
857
858	unlink ();
859	}	885	}
860		886
861	/*	887	/*
862	* Remove and free all objects in the inventory of the given object.	888	* Remove and free all objects in the inventory of the given object.
863	* object.c ?	889	* object.c ?
864	*/	890	*/
865	void	891	void
866	object::destroy_inv (bool drop_to_ground)	892	object::destroy_inv (bool drop_to_ground)
867	{	893	{
		894	// need to check first, because the checks below might segfault
		895	// as we might be on an invalid mapspace and crossfire code
		896	// is too buggy to ensure that the inventory is empty.
		897	// corollary: if you create arrows etc. with stuff in its inventory,
		898	// cf will crash below with off-map x and y
868	if (!inv)	899	if (!inv)
869	return;	900	return;
870		901
871	/* Only if the space blocks everything do we not process -	902	/* Only if the space blocks everything do we not process -
872	* if some form of movement is allowed, let objects	903	* if some form of movement is allowed, let objects
873	* drop on that space.	904	* drop on that space.
874	*/	905	*/
875	if (!drop_to_ground || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)	906	if (!drop_to_ground
		907	|| !map
		908	|| map->in_memory != MAP_ACTIVE
		909	|| map->no_drop
		910	|| ms ().move_block == MOVE_ALL)
876	{	911	{
877	while (inv)	912	while (inv)
878	{	913	{
879	inv->destroy_inv (drop_to_ground);	914	inv->destroy_inv (false);
880	inv->destroy ();	915	inv->destroy ();
881	}	916	}
882	}	917	}
883	else	918	else
884	{ /* Put objects in inventory onto this space */	919	{ /* Put objects in inventory onto this space */
…		…
888		923
889	if (op->flag [FLAG_STARTEQUIP]	924	if (op->flag [FLAG_STARTEQUIP]
890	|| op->flag [FLAG_NO_DROP]	925	|| op->flag [FLAG_NO_DROP]
891	|| op->type == RUNE	926	|| op->type == RUNE
892	|| op->type == TRAP	927	|| op->type == TRAP
893	|| op->flag [FLAG_IS_A_TEMPLATE])	928	|| op->flag [FLAG_IS_A_TEMPLATE]
		929	|| op->flag [FLAG_DESTROY_ON_DEATH])
894	op->destroy ();	930	op->destroy (true);
895	else	931	else
896	{	932	map->insert (op, x, y);
897	op->remove ();
898	op->x = x;
899	op->y = y;
900	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
901	}
902	}	933	}
903	}	934	}
		935	}
		936
		937	object *object::create ()
		938	{
		939	object *op = new object;
		940	op->link ();
		941	return op;
		942	}
		943
		944	static struct freed_map : maptile
		945	{
		946	freed_map ()
		947	{
		948	path = "<freed objects map>";
		949	name = "/internal/freed_objects_map";
		950	width = 3;
		951	height = 3;
		952	no_drop = 1;
		953	no_reset = 1;
		954
		955	alloc ();
		956	in_memory = MAP_ACTIVE;
		957	}
		958
		959	~freed_map ()
		960	{
		961	destroy ();
		962	}
		963	} freed_map; // freed objects are moved here to avoid crashes
		964
		965	void
		966	object::do_destroy ()
		967	{
		968	if (flag [FLAG_IS_LINKED])
		969	remove_button_link (this);
		970
		971	if (flag [FLAG_FRIENDLY])
		972	remove_friendly_object (this);
		973
		974	remove ();
		975
		976	attachable::do_destroy ();
		977
		978	deactivate ();
		979	unlink ();
		980
		981	flag [FLAG_FREED] = 1;
		982
		983	// hack to ensure that freed objects still have a valid map
		984	map = &freed_map;
		985	x = 1;
		986	y = 1;
		987
		988	if (more)
		989	{
		990	more->destroy ();
		991	more = 0;
		992	}
		993
		994	head = 0;
		995
		996	// clear those pointers that likely might cause circular references
		997	owner = 0;
		998	enemy = 0;
		999	attacked_by = 0;
		1000	current_weapon = 0;
904	}	1001	}
905		1002
906	void	1003	void
907	object::destroy (bool destroy_inventory)	1004	object::destroy (bool destroy_inventory)
908	{	1005	{
909	if (destroyed ())	1006	if (destroyed ())
910	return;	1007	return;
911		1008
912	if (more)	1009	if (!is_head () && !head->destroyed ())
913	{	1010	{
914	//TODO: non-head objects must not have inventory	1011	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
915	more->destroy (destroy_inventory);	1012	head->destroy (destroy_inventory);
916	more = 0;	1013	return;
917	}	1014	}
918		1015
919	if (destroy_inventory)	1016	destroy_inv (!destroy_inventory);
920	destroy_inv (true);	1017
		1018	if (is_head ())
		1019	if (sound_destroy)
		1020	play_sound (sound_destroy);
		1021	else if (flag [FLAG_MONSTER])
		1022	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
921		1023
922	attachable::destroy ();	1024	attachable::destroy ();
923	}
924
925	/*
926	* sub_weight() recursively (outwards) subtracts a number from the
927	* weight of an object (and what is carried by it's environment(s)).
928	*/
929	void
930	sub_weight (object *op, signed long weight)
931	{
932	while (op != NULL)
933	{
934	if (op->type == CONTAINER)
935	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
936
937	op->carrying -= weight;
938	op = op->env;
939	}
940	}	1025	}
941		1026
942	/* op->remove ():	1027	/* op->remove ():
943	* This function removes the object op from the linked list of objects	1028	* This function removes the object op from the linked list of objects
944	* which it is currently tied to. When this function is done, the	1029	* which it is currently tied to. When this function is done, the
945	* object will have no environment. If the object previously had an	1030	* object will have no environment. If the object previously had an
946	* environment, the x and y coordinates will be updated to	1031	* environment, the x and y coordinates will be updated to
947	* the previous environment.	1032	* the previous environment.
948	* Beware: This function is called from the editor as well!
949	*/	1033	*/
950	void	1034	void
951	object::remove ()	1035	object::do_remove ()
952	{	1036	{
953	object *tmp, *last = 0;	1037	object *tmp, *last = 0;
954	object *otmp;	1038	object *otmp;
955		1039
956	if (QUERY_FLAG (this, FLAG_REMOVED))	1040	if (flag [FLAG_REMOVED])
957	return;	1041	return;
958		1042
959	SET_FLAG (this, FLAG_REMOVED);
960	INVOKE_OBJECT (REMOVE, this);	1043	INVOKE_OBJECT (REMOVE, this);
		1044
		1045	flag [FLAG_REMOVED] = true;
961		1046
962	if (more)	1047	if (more)
963	more->remove ();	1048	more->remove ();
964		1049
965	/*	1050	/*
966	* In this case, the object to be removed is in someones	1051	* In this case, the object to be removed is in someones
967	* inventory.	1052	* inventory.
968	*/	1053	*/
969	if (env)	1054	if (env)
970	{	1055	{
971	if (nrof)	1056	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
972	sub_weight (env, weight * nrof);	1057	if (object *pl = visible_to ())
973	else	1058	esrv_del_item (pl->contr, count);
974	sub_weight (env, weight + carrying);	1059	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1060
		1061	adjust_weight (env, -total_weight ());
		1062
		1063	/* we set up values so that it could be inserted into
		1064	* the map, but we don't actually do that - it is up
		1065	* to the caller to decide what we want to do.
		1066	*/
		1067	map = env->map;
		1068	x = env->x;
		1069	y = env->y;
		1070
		1071	// make sure cmov optimisation is applicable
		1072	*(above ? &above->below : &env->inv) = below;
		1073	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1074
		1075	above = 0;
		1076	below = 0;
		1077	env = 0;
975		1078
976	/* NO_FIX_PLAYER is set when a great many changes are being	1079	/* NO_FIX_PLAYER is set when a great many changes are being
977	* made to players inventory. If set, avoiding the call	1080	* made to players inventory. If set, avoiding the call
978	* to save cpu time.	1081	* to save cpu time.
979	*/	1082	*/
980	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1083	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
981	otmp->update_stats ();	1084	otmp->update_stats ();
982
983	if (above != NULL)
984	above->below = below;
985	else
986	env->inv = below;
987
988	if (below != NULL)
989	below->above = above;
990
991	/* we set up values so that it could be inserted into
992	* the map, but we don't actually do that - it is up
993	* to the caller to decide what we want to do.
994	*/
995	x = env->x, y = env->y;
996	map = env->map;
997	above = 0, below = 0;
998	env = 0;
999	}	1085	}
1000	else if (map)	1086	else if (map)
1001	{	1087	{
1002	/* Re did the following section of code - it looks like it had	1088	map->dirty = true;
1003	* lots of logic for things we no longer care about	1089	mapspace &ms = this->ms ();
		1090
		1091	if (object *pl = ms.player ())
1004	*/	1092	{
		1093	if (type == PLAYER) // this == pl(!)
		1094	{
		1095	// leaving a spot always closes any open container on the ground
		1096	if (container && !container->env)
		1097	// this causes spurious floorbox updates, but it ensures
		1098	// that the CLOSE event is being sent.
		1099	close_container ();
		1100
		1101	--map->players;
		1102	map->touch ();
		1103	}
		1104	else if (pl->container == this)
		1105	{
		1106	// removing a container should close it
		1107	close_container ();
		1108	}
		1109
		1110	esrv_del_item (pl->contr, count);
		1111	}
1005		1112
1006	/* link the object above us */	1113	/* link the object above us */
1007	if (above)	1114	// re-link, make sure compiler can easily use cmove
1008	above->below = below;	1115	*(above ? &above->below : &ms.top) = below;
1009	else	1116	*(below ? &below->above : &ms.bot) = above;
1010	map->at (x, y).top = below; /* we were top, set new top */
1011
1012	/* Relink the object below us, if there is one */
1013	if (below)
1014	below->above = above;
1015	else
1016	{
1017	/* Nothing below, which means we need to relink map object for this space
1018	* use translated coordinates in case some oddness with map tiling is
1019	* evident
1020	*/
1021	if (GET_MAP_OB (map, x, y) != this)
1022	{
1023	char *dump = dump_object (this);
1024	LOG (llevError,
1025	"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);
1026	free (dump);
1027	dump = dump_object (GET_MAP_OB (map, x, y));
1028	LOG (llevError, "%s\n", dump);
1029	free (dump);
1030	}
1031
1032	map->at (x, y).bot = above; /* goes on above it. */
1033	}
1034		1117
1035	above = 0;	1118	above = 0;
1036	below = 0;	1119	below = 0;
1037		1120
1038	if (map->in_memory == MAP_SAVING)	1121	if (map->in_memory == MAP_SAVING)
1039	return;	1122	return;
1040		1123
1041	int check_walk_off = !flag [FLAG_NO_APPLY];	1124	int check_walk_off = !flag [FLAG_NO_APPLY];
1042		1125
		1126	if (object *pl = ms.player ())
		1127	{
		1128	if (pl->container == this)
		1129	/* If a container that the player is currently using somehow gets
		1130	* removed (most likely destroyed), update the player view
		1131	* appropriately.
		1132	*/
		1133	pl->close_container ();
		1134
		1135	//TODO: the floorbox prev/next might need updating
		1136	//esrv_del_item (pl->contr, count);
		1137	//TODO: update floorbox to preserve ordering
		1138	if (pl->contr->ns)
		1139	pl->contr->ns->floorbox_update ();
		1140	}
		1141
1043	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1142	for (tmp = ms.bot; tmp; tmp = tmp->above)
1044	{	1143	{
1045	/* No point updating the players look faces if he is the object	1144	/* No point updating the players look faces if he is the object
1046	* being removed.	1145	* being removed.
1047	*/	1146	*/
1048		1147
1049	if (tmp->type == PLAYER && tmp != this)
1050	{
1051	/* If a container that the player is currently using somehow gets
1052	* removed (most likely destroyed), update the player view
1053	* appropriately.
1054	*/
1055	if (tmp->container == this)
1056	{
1057	flag [FLAG_APPLIED] = 0;
1058	tmp->container = 0;
1059	}
1060
1061	if (tmp->contr->ns)
1062	tmp->contr->ns->floorbox_update ();
1063	}
1064
1065	/* See if player moving off should effect something */	1148	/* See if object moving off should effect something */
1066	if (check_walk_off	1149	if (check_walk_off
1067	&& ((move_type & tmp->move_off)	1150	&& ((move_type & tmp->move_off)
1068	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1151	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1069	{	1152	{
1070	move_apply (tmp, this, 0);	1153	move_apply (tmp, this, 0);
1071		1154
1072	if (destroyed ())	1155	if (destroyed ())
1073	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1156	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1074	}	1157	}
1075		1158
1076	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1077
1078	if (tmp->above == tmp)
1079	tmp->above = 0;
1080
1081	last = tmp;	1159	last = tmp;
1082	}	1160	}
1083		1161
1084	/* last == NULL of there are no objects on this space */	1162	/* last == NULL if there are no objects on this space */
		1163	//TODO: this makes little sense, why only update the topmost object?
1085	if (!last)	1164	if (!last)
1086	map->at (x, y).flags_ = P_NEED_UPDATE;	1165	map->at (x, y).flags_ = 0;
1087	else	1166	else
1088	update_object (last, UP_OBJ_REMOVE);	1167	update_object (last, UP_OBJ_REMOVE);
1089		1168
1090	if (flag [FLAG_BLOCKSVIEW] || glow_radius)	1169	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1091	update_all_los (map, x, y);	1170	update_all_los (map, x, y);
…		…
1104	merge_ob (object *op, object *top)	1183	merge_ob (object *op, object *top)
1105	{	1184	{
1106	if (!op->nrof)	1185	if (!op->nrof)
1107	return 0;	1186	return 0;
1108		1187
1109	if (top)	1188	if (!top)
1110	for (top = op; top && top->above; top = top->above)	1189	for (top = op; top && top->above; top = top->above)
1111	;	1190	;
1112		1191
1113	for (; top; top = top->below)	1192	for (; top; top = top->below)
1114	{
1115	if (top == op)
1116	continue;
1117
1118	if (object::can_merge (op, top))	1193	if (object::can_merge (op, top))
1119	{	1194	{
1120	top->nrof += op->nrof;	1195	top->nrof += op->nrof;
1121		1196
1122	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1197	if (object *pl = top->visible_to ())
1123	op->weight = 0; /* Don't want any adjustements now */	1198	esrv_update_item (UPD_NROF, pl, top);
		1199
		1200	op->weight = 0; // cancel the addition above
		1201	op->carrying = 0; // must be 0 already
		1202
1124	op->destroy ();	1203	op->destroy (1);
		1204
1125	return top;	1205	return top;
1126	}	1206	}
1127	}
1128		1207
1129	return 0;	1208	return 0;
1130	}	1209	}
1131		1210
		1211	void
		1212	object::expand_tail ()
		1213	{
		1214	if (more)
		1215	return;
		1216
		1217	object *prev = this;
		1218
		1219	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1220	{
		1221	object *op = arch_to_object (at);
		1222
		1223	op->name = name;
		1224	op->name_pl = name_pl;
		1225	op->title = title;
		1226
		1227	op->head = this;
		1228	prev->more = op;
		1229
		1230	prev = op;
		1231	}
		1232	}
		1233
1132	/*	1234	/*
1133	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1235	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1134	* job preparing multi-part monsters	1236	* job preparing multi-part monsters.
1135	*/	1237	*/
1136	object *	1238	object *
1137	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1239	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1138	{	1240	{
1139	object *tmp;
1140
1141	if (op->head)
1142	op = op->head;
1143
1144	for (tmp = op; tmp; tmp = tmp->more)	1241	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1145	{	1242	{
1146	tmp->x = x + tmp->arch->clone.x;	1243	tmp->x = x + tmp->arch->x;
1147	tmp->y = y + tmp->arch->clone.y;	1244	tmp->y = y + tmp->arch->y;
1148	}	1245	}
1149		1246
1150	return insert_ob_in_map (op, m, originator, flag);	1247	return insert_ob_in_map (op, m, originator, flag);
1151	}	1248	}
1152		1249
…		…
1171	* just 'op' otherwise	1268	* just 'op' otherwise
1172	*/	1269	*/
1173	object *	1270	object *
1174	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1271	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1175	{	1272	{
1176	object *tmp, *top, *floor = NULL;	1273	op->remove ();
1177	sint16 x, y;
1178
1179	if (QUERY_FLAG (op, FLAG_FREED))
1180	{
1181	LOG (llevError, "Trying to insert freed object!\n");
1182	return NULL;
1183	}
1184
1185	if (m == NULL)
1186	{
1187	char *dump = dump_object (op);
1188	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1189	free (dump);
1190	return op;
1191	}
1192
1193	if (out_of_map (m, op->x, op->y))
1194	{
1195	char *dump = dump_object (op);
1196	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1197	#ifdef MANY_CORES
1198	/* Better to catch this here, as otherwise the next use of this object
1199	* is likely to cause a crash. Better to find out where it is getting
1200	* improperly inserted.
1201	*/
1202	abort ();
1203	#endif
1204	free (dump);
1205	return op;
1206	}
1207
1208	if (!QUERY_FLAG (op, FLAG_REMOVED))
1209	{
1210	char *dump = dump_object (op);
1211	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1212	free (dump);
1213	return op;
1214	}
1215
1216	if (op->more)
1217	{
1218	/* The part may be on a different map. */
1219
1220	object *more = op->more;
1221
1222	/* We really need the caller to normalize coordinates - if
1223	* we set the map, that doesn't work if the location is within
1224	* a map and this is straddling an edge. So only if coordinate
1225	* is clear wrong do we normalize it.
1226	*/
1227	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1228	more->map = get_map_from_coord (m, &more->x, &more->y);
1229	else if (!more->map)
1230	{
1231	/* For backwards compatibility - when not dealing with tiled maps,
1232	* more->map should always point to the parent.
1233	*/
1234	more->map = m;
1235	}
1236
1237	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1238	{
1239	if (!op->head)
1240	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1241
1242	return 0;
1243	}
1244	}
1245
1246	CLEAR_FLAG (op, FLAG_REMOVED);
1247		1274
1248	/* Ideally, the caller figures this out. However, it complicates a lot	1275	/* Ideally, the caller figures this out. However, it complicates a lot
1249	* of areas of callers (eg, anything that uses find_free_spot would now	1276	* of areas of callers (eg, anything that uses find_free_spot would now
1250	* need extra work	1277	* need extra work
1251	*/	1278	*/
1252	op->map = get_map_from_coord (m, &op->x, &op->y);	1279	if (!xy_normalise (m, op->x, op->y))
1253	x = op->x;	1280	{
1254	y = op->y;	1281	op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found
		1282	return 0;
		1283	}
		1284
		1285	if (object *more = op->more)
		1286	if (!insert_ob_in_map (more, m, originator, flag))
		1287	return 0;
		1288
		1289	CLEAR_FLAG (op, FLAG_REMOVED);
		1290
		1291	op->map = m;
		1292	mapspace &ms = op->ms ();
1255		1293
1256	/* this has to be done after we translate the coordinates.	1294	/* this has to be done after we translate the coordinates.
1257	*/	1295	*/
1258	if (op->nrof && !(flag & INS_NO_MERGE))	1296	if (op->nrof && !(flag & INS_NO_MERGE))
1259	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1297	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1260	if (object::can_merge (op, tmp))	1298	if (object::can_merge (op, tmp))
1261	{	1299	{
		1300	// TODO: we actually want to update tmp, not op,
		1301	// but some caller surely breaks when we return tmp
		1302	// from here :/
1262	op->nrof += tmp->nrof;	1303	op->nrof += tmp->nrof;
1263	tmp->destroy ();	1304	tmp->destroy (1);
1264	}	1305	}
1265		1306
1266	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1307	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1267	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1308	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1268		1309
1269	if (!QUERY_FLAG (op, FLAG_ALIVE))	1310	if (!QUERY_FLAG (op, FLAG_ALIVE))
1270	CLEAR_FLAG (op, FLAG_NO_STEAL);	1311	CLEAR_FLAG (op, FLAG_NO_STEAL);
1271		1312
1272	if (flag & INS_BELOW_ORIGINATOR)	1313	if (flag & INS_BELOW_ORIGINATOR)
1273	{	1314	{
1274	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1315	if (originator->map != op->map || originator->x != op->x || originator->y != op->y || !originator->is_on_map ())
1275	{	1316	{
1276	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1317	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1277	abort ();	1318	abort ();
1278	}	1319	}
1279		1320
1280	op->above = originator;	1321	op->above = originator;
1281	op->below = originator->below;	1322	op->below = originator->below;
1282
1283	if (op->below)
1284	op->below->above = op;
1285	else
1286	op->ms ().bot = op;
1287
1288	/* since *below* originator, no need to update top */
1289	originator->below = op;	1323	originator->below = op;
		1324
		1325	*(op->below ? &op->below->above : &ms.bot) = op;
1290	}	1326	}
1291	else	1327	else
1292	{	1328	{
		1329	object *floor = 0;
		1330	object *top = ms.top;
		1331
1293	/* If there are other objects, then */	1332	/* If there are other objects, then */
1294	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1333	if (top)
1295	{	1334	{
1296	object *last = NULL;
1297
1298	/*	1335	/*
1299	* If there are multiple objects on this space, we do some trickier handling.	1336	* If there are multiple objects on this space, we do some trickier handling.
1300	* We've already dealt with merging if appropriate.	1337	* We've already dealt with merging if appropriate.
1301	* Generally, we want to put the new object on top. But if	1338	* Generally, we want to put the new object on top. But if
1302	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1339	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1305	* once we get to them. This reduces the need to traverse over all of	1342	* once we get to them. This reduces the need to traverse over all of
1306	* them when adding another one - this saves quite a bit of cpu time	1343	* them when adding another one - this saves quite a bit of cpu time
1307	* when lots of spells are cast in one area. Currently, it is presumed	1344	* when lots of spells are cast in one area. Currently, it is presumed
1308	* that flying non pickable objects are spell objects.	1345	* that flying non pickable objects are spell objects.
1309	*/	1346	*/
1310		1347	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1311	while (top != NULL)
1312	{	1348	{
1313	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1349	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1314	floor = top;	1350	floor = tmp;
1315		1351
1316	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1352	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1317	{	1353	{
1318	/* We insert above top, so we want this object below this */	1354	/* We insert above top, so we want this object below this */
1319	top = top->below;	1355	top = tmp->below;
1320	break;	1356	break;
1321	}	1357	}
1322		1358
1323	last = top;
1324	top = top->above;	1359	top = tmp;
1325	}	1360	}
1326
1327	/* Don't want top to be NULL, so set it to the last valid object */
1328	top = last;
1329		1361
1330	/* We let update_position deal with figuring out what the space	1362	/* We let update_position deal with figuring out what the space
1331	* looks like instead of lots of conditions here.	1363	* looks like instead of lots of conditions here.
1332	* makes things faster, and effectively the same result.	1364	* makes things faster, and effectively the same result.
1333	*/	1365	*/
1334		1366
1335	/* Have object 'fall below' other objects that block view.	1367	/* Have object 'fall below' other objects that block view.
1336	* Unless those objects are exits, type 66	1368	* Unless those objects are exits.
1337	* If INS_ON_TOP is used, don't do this processing	1369	* If INS_ON_TOP is used, don't do this processing
1338	* Need to find the object that in fact blocks view, otherwise	1370	* Need to find the object that in fact blocks view, otherwise
1339	* stacking is a bit odd.	1371	* stacking is a bit odd.
1340	*/	1372	*/
1341	if (!(flag & INS_ON_TOP) &&	1373	if (!(flag & INS_ON_TOP)
1342	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1374	&& ms.flags () & P_BLOCKSVIEW
		1375	&& (op->face && !faces [op->face].visibility))
1343	{	1376	{
		1377	object *last;
		1378
1344	for (last = top; last != floor; last = last->below)	1379	for (last = top; last != floor; last = last->below)
1345	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1380	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1346	break;	1381	break;
		1382
1347	/* Check to see if we found the object that blocks view,	1383	/* Check to see if we found the object that blocks view,
1348	* and make sure we have a below pointer for it so that	1384	* and make sure we have a below pointer for it so that
1349	* we can get inserted below this one, which requires we	1385	* we can get inserted below this one, which requires we
1350	* set top to the object below us.	1386	* set top to the object below us.
1351	*/	1387	*/
1352	if (last && last->below && last != floor)	1388	if (last && last->below && last != floor)
1353	top = last->below;	1389	top = last->below;
1354	}	1390	}
1355	} /* If objects on this space */	1391	} /* If objects on this space */
1356		1392
1357	if (flag & INS_MAP_LOAD)
1358	top = GET_MAP_TOP (op->map, op->x, op->y);
1359
1360	if (flag & INS_ABOVE_FLOOR_ONLY)	1393	if (flag & INS_ABOVE_FLOOR_ONLY)
1361	top = floor;	1394	top = floor;
1362		1395
1363	/* Top is the object that our object (op) is going to get inserted above.	1396	/* Top is the object that our object (op) is going to get inserted above.
1364	*/	1397	*/
1365		1398
1366	/* First object on this space */	1399	/* no top found, insert on top */
1367	if (!top)	1400	if (!top)
1368	{	1401	{
1369	op->above = GET_MAP_OB (op->map, op->x, op->y);
1370
1371	if (op->above)
1372	op->above->below = op;	1402	op->above = 0;
1373
1374	op->below = NULL;	1403	op->below = ms.top;
1375	op->ms ().bot = op;	1404	ms.top = op;
		1405
		1406	*(op->below ? &op->below->above : &ms.bot) = op;
1376	}	1407	}
1377	else	1408	else
1378	{ /* get inserted into the stack above top */	1409	{ /* get inserted into the stack above top */
1379	op->above = top->above;	1410	op->above = top->above;
1380
1381	if (op->above)
1382	op->above->below = op;	1411	top->above = op;
1383		1412
1384	op->below = top;	1413	op->below = top;
1385	top->above = op;	1414	*(op->above ? &op->above->below : &ms.top) = op;
1386	}	1415	}
1387
1388	if (op->above == NULL)
1389	op->ms ().top = op;
1390	} /* else not INS_BELOW_ORIGINATOR */	1416	} /* else not INS_BELOW_ORIGINATOR */
1391		1417
1392	if (op->type == PLAYER)	1418	if (op->type == PLAYER)
		1419	{
1393	op->contr->do_los = 1;	1420	op->contr->do_los = 1;
		1421	++op->map->players;
		1422	op->map->touch ();
		1423	}
1394		1424
1395	/* If we have a floor, we know the player, if any, will be above	1425	op->map->dirty = true;
1396	* it, so save a few ticks and start from there.	1426
1397	*/
1398	if (!(flag & INS_MAP_LOAD))
1399	if (object *pl = op->ms ().player ())	1427	if (object *pl = ms.player ())
		1428	//TODO: the floorbox prev/next might need updating
		1429	//esrv_send_item (pl, op);
		1430	//TODO: update floorbox to preserve ordering
1400	if (pl->contr->ns)	1431	if (pl->contr->ns)
1401	pl->contr->ns->floorbox_update ();	1432	pl->contr->ns->floorbox_update ();
1402		1433
1403	/* If this object glows, it may affect lighting conditions that are	1434	/* If this object glows, it may affect lighting conditions that are
1404	* visible to others on this map. But update_all_los is really	1435	* visible to others on this map. But update_all_los is really
1405	* an inefficient way to do this, as it means los for all players	1436	* an inefficient way to do this, as it means los for all players
1406	* on the map will get recalculated. The players could very well	1437	* on the map will get recalculated. The players could very well
1407	* be far away from this change and not affected in any way -	1438	* be far away from this change and not affected in any way -
1408	* this should get redone to only look for players within range,	1439	* this should get redone to only look for players within range,
1409	* or just updating the P_NEED_UPDATE for spaces within this area	1440	* or just updating the P_UPTODATE for spaces within this area
1410	* of effect may be sufficient.	1441	* of effect may be sufficient.
1411	*/	1442	*/
1412	if (op->map->darkness && (op->glow_radius != 0))	1443	if (op->map->darkness && (op->glow_radius != 0))
1413	update_all_los (op->map, op->x, op->y);	1444	update_all_los (op->map, op->x, op->y);
1414		1445
…		…
1425	* blocked() and wall() work properly), and these flags are updated by	1456	* blocked() and wall() work properly), and these flags are updated by
1426	* update_object().	1457	* update_object().
1427	*/	1458	*/
1428		1459
1429	/* if this is not the head or flag has been passed, don't check walk on status */	1460	/* if this is not the head or flag has been passed, don't check walk on status */
1430	if (!(flag & INS_NO_WALK_ON) && !op->head)	1461	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1431	{	1462	{
1432	if (check_move_on (op, originator))	1463	if (check_move_on (op, originator))
1433	return 0;	1464	return 0;
1434		1465
1435	/* If we are a multi part object, lets work our way through the check	1466	/* If we are a multi part object, lets work our way through the check
1436	* walk on's.	1467	* walk on's.
1437	*/	1468	*/
1438	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1469	for (object *tmp = op->more; tmp; tmp = tmp->more)
1439	if (check_move_on (tmp, originator))	1470	if (check_move_on (tmp, originator))
1440	return 0;	1471	return 0;
1441	}	1472	}
1442		1473
1443	return op;	1474	return op;
…		…
1448	* op is the object to insert it under: supplies x and the map.	1479	* op is the object to insert it under: supplies x and the map.
1449	*/	1480	*/
1450	void	1481	void
1451	replace_insert_ob_in_map (const char *arch_string, object *op)	1482	replace_insert_ob_in_map (const char *arch_string, object *op)
1452	{	1483	{
1453	object *tmp, *tmp1;
1454
1455	/* first search for itself and remove any old instances */	1484	/* first search for itself and remove any old instances */
1456		1485
1457	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1486	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1458	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1487	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1459	tmp->destroy ();	1488	tmp->destroy (1);
1460		1489
1461	tmp1 = arch_to_object (archetype::find (arch_string));	1490	object *tmp = arch_to_object (archetype::find (arch_string));
1462		1491
1463	tmp1->x = op->x;	1492	tmp->x = op->x;
1464	tmp1->y = op->y;	1493	tmp->y = op->y;
		1494
1465	insert_ob_in_map (tmp1, op->map, op, 0);	1495	insert_ob_in_map (tmp, op->map, op, 0);
1466	}	1496	}
1467
1468	/*
1469	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1470	* is returned contains nr objects, and the remaining parts contains
1471	* the rest (or is removed and freed if that number is 0).
1472	* On failure, NULL is returned, and the reason put into the
1473	* global static errmsg array.
1474	*/
1475		1497
1476	object *	1498	object *
1477	get_split_ob (object *orig_ob, uint32 nr)	1499	object::insert_at (object *where, object *originator, int flags)
1478	{	1500	{
1479	object *newob;	1501	if (where->env)
1480	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1502	return where->env->insert (this);
1481		1503	else
1482	if (orig_ob->nrof < nr)	1504	return where->map->insert (this, where->x, where->y, originator, flags);
1483	{
1484	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1485	return NULL;
1486	}
1487
1488	newob = object_create_clone (orig_ob);
1489
1490	if ((orig_ob->nrof -= nr) < 1)
1491	orig_ob->destroy (1);
1492	else if (!is_removed)
1493	{
1494	if (orig_ob->env != NULL)
1495	sub_weight (orig_ob->env, orig_ob->weight * nr);
1496	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1497	{
1498	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1499	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1500	return NULL;
1501	}
1502	}
1503
1504	newob->nrof = nr;
1505
1506	return newob;
1507	}	1505	}
1508		1506
1509	/*	1507	/*
1510	* decrease_ob_nr(object, number) decreases a specified number from	1508	* decrease(object, number) decreases a specified number from
1511	* the amount of an object. If the amount reaches 0, the object	1509	* the amount of an object. If the amount reaches 0, the object
1512	* is subsequently removed and freed.	1510	* is subsequently removed and freed.
1513	*	1511	*
1514	* Return value: 'op' if something is left, NULL if the amount reached 0	1512	* Return value: 'op' if something is left, NULL if the amount reached 0
1515	*/	1513	*/
		1514	bool
		1515	object::decrease (sint32 nr)
		1516	{
		1517	if (!nr)
		1518	return true;
1516		1519
		1520	nr = min (nr, nrof);
		1521
		1522	nrof -= nr;
		1523
		1524	if (nrof)
		1525	{
		1526	adjust_weight (env, -weight * nr); // carrying == 0
		1527
		1528	if (object *pl = visible_to ())
		1529	esrv_update_item (UPD_NROF, pl, this);
		1530
		1531	return true;
		1532	}
		1533	else
		1534	{
		1535	destroy (1);
		1536	return false;
		1537	}
		1538	}
		1539
		1540	/*
		1541	* split(ob,nr) splits up ob into two parts. The part which
		1542	* is returned contains nr objects, and the remaining parts contains
		1543	* the rest (or is removed and returned if that number is 0).
		1544	* On failure, NULL is returned.
		1545	*/
1517	object *	1546	object *
1518	decrease_ob_nr (object *op, uint32 i)	1547	object::split (sint32 nr)
1519	{	1548	{
1520	object *tmp;	1549	int have = number_of ();
1521		1550
1522	if (i == 0) /* objects with op->nrof require this check */	1551	if (have < nr)
1523	return op;	1552	return 0;
1524		1553	else if (have == nr)
1525	if (i > op->nrof)
1526	i = op->nrof;
1527
1528	if (QUERY_FLAG (op, FLAG_REMOVED))
1529	op->nrof -= i;
1530	else if (op->env)
1531	{	1554	{
1532	/* is this object in the players inventory, or sub container
1533	* therein?
1534	*/
1535	tmp = op->in_player ();
1536	/* nope. Is this a container the player has opened?
1537	* If so, set tmp to that player.
1538	* IMO, searching through all the players will mostly
1539	* likely be quicker than following op->env to the map,
1540	* and then searching the map for a player.
1541	*/
1542	if (!tmp)
1543	for_all_players (pl)
1544	if (pl->ob->container == op->env)
1545	{
1546	tmp = pl->ob;
1547	break;
1548	}
1549
1550	if (i < op->nrof)
1551	{
1552	sub_weight (op->env, op->weight * i);
1553	op->nrof -= i;
1554	if (tmp)
1555	esrv_send_item (tmp, op);
1556	}
1557	else
1558	{
1559	op->remove ();	1555	remove ();
1560	op->nrof = 0;	1556	return this;
1561	if (tmp)
1562	esrv_del_item (tmp->contr, op->count);
1563	}
1564	}	1557	}
1565	else	1558	else
1566	{	1559	{
1567	object *above = op->above;	1560	decrease (nr);
1568		1561
1569	if (i < op->nrof)	1562	object *op = deep_clone ();
1570	op->nrof -= i;	1563	op->nrof = nr;
1571	else
1572	{
1573	op->remove ();
1574	op->nrof = 0;
1575	}
1576
1577	/* Since we just removed op, op->above is null */
1578	for (tmp = above; tmp; tmp = tmp->above)
1579	if (tmp->type == PLAYER)
1580	{
1581	if (op->nrof)
1582	esrv_send_item (tmp, op);
1583	else
1584	esrv_del_item (tmp->contr, op->count);
1585	}
1586	}
1587
1588	if (op->nrof)
1589	return op;	1564	return op;
1590	else
1591	{
1592	op->destroy ();
1593	return 0;
1594	}
1595	}
1596
1597	/*
1598	* add_weight(object, weight) adds the specified weight to an object,
1599	* and also updates how much the environment(s) is/are carrying.
1600	*/
1601
1602	void
1603	add_weight (object *op, signed long weight)
1604	{
1605	while (op != NULL)
1606	{
1607	if (op->type == CONTAINER)
1608	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1609
1610	op->carrying += weight;
1611	op = op->env;
1612	}	1565	}
1613	}	1566	}
1614		1567
1615	object *	1568	object *
1616	insert_ob_in_ob (object *op, object *where)	1569	insert_ob_in_ob (object *op, object *where)
…		…
1621	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1574	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1622	free (dump);	1575	free (dump);
1623	return op;	1576	return op;
1624	}	1577	}
1625		1578
1626	if (where->head)	1579	if (where->head_ () != where)
1627	{	1580	{
1628	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1581	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1629	where = where->head;	1582	where = where->head;
1630	}	1583	}
1631		1584
1632	return where->insert (op);	1585	return where->insert (op);
1633	}	1586	}
…		…
1638	* inside the object environment.	1591	* inside the object environment.
1639	*	1592	*
1640	* The function returns now pointer to inserted item, and return value can	1593	* The function returns now pointer to inserted item, and return value can
1641	* be != op, if items are merged. -Tero	1594	* be != op, if items are merged. -Tero
1642	*/	1595	*/
1643
1644	object *	1596	object *
1645	object::insert (object *op)	1597	object::insert (object *op)
1646	{	1598	{
1647	object *tmp, *otmp;
1648
1649	if (!QUERY_FLAG (op, FLAG_REMOVED))
1650	op->remove ();
1651
1652	if (op->more)	1599	if (op->more)
1653	{	1600	{
1654	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1601	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1655	return op;	1602	return op;
1656	}	1603	}
1657		1604
1658	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1605	op->remove ();
1659	CLEAR_FLAG (op, FLAG_REMOVED);	1606
		1607	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1608
1660	if (op->nrof)	1609	if (op->nrof)
1661	{
1662	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1610	for (object *tmp = inv; tmp; tmp = tmp->below)
1663	if (object::can_merge (tmp, op))	1611	if (object::can_merge (tmp, op))
1664	{	1612	{
1665	/* return the original object and remove inserted object	1613	/* return the original object and remove inserted object
1666	(client needs the original object) */	1614	(client needs the original object) */
1667	tmp->nrof += op->nrof;	1615	tmp->nrof += op->nrof;
1668	/* Weight handling gets pretty funky. Since we are adding to	1616
1669	* tmp->nrof, we need to increase the weight.	1617	if (object *pl = tmp->visible_to ())
1670	*/	1618	esrv_update_item (UPD_NROF, pl, tmp);
		1619
1671	add_weight (this, op->weight * op->nrof);	1620	adjust_weight (this, op->total_weight ());
1672	SET_FLAG (op, FLAG_REMOVED);	1621
1673	op->destroy (); /* free the inserted object */	1622	op->destroy (1);
1674	op = tmp;	1623	op = tmp;
1675	op->remove (); /* and fix old object's links */	1624	goto inserted;
1676	CLEAR_FLAG (op, FLAG_REMOVED);
1677	break;
1678	}	1625	}
1679		1626
1680	/* I assume combined objects have no inventory	1627	op->owner = 0; // it's his/hers now. period.
1681	* We add the weight - this object could have just been removed
1682	* (if it was possible to merge). calling remove_ob will subtract
1683	* the weight, so we need to add it in again, since we actually do
1684	* the linking below
1685	*/
1686	add_weight (this, op->weight * op->nrof);
1687	}
1688	else
1689	add_weight (this, (op->weight + op->carrying));
1690
1691	otmp = this->in_player ();
1692	if (otmp && otmp->contr)
1693	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1694	otmp->update_stats ();
1695
1696	op->map = 0;	1628	op->map = 0;
1697	op->env = this;	1629	op->x = 0;
		1630	op->y = 0;
		1631
1698	op->above = 0;	1632	op->above = 0;
1699	op->below = 0;	1633	op->below = inv;
1700	op->x = 0, op->y = 0;	1634	op->env = this;
1701		1635
		1636	if (inv)
		1637	inv->above = op;
		1638
		1639	inv = op;
		1640
		1641	op->flag [FLAG_REMOVED] = 0;
		1642
		1643	if (object *pl = op->visible_to ())
		1644	esrv_send_item (pl, op);
		1645
		1646	adjust_weight (this, op->total_weight ());
		1647
		1648	inserted:
1702	/* reset the light list and los of the players on the map */	1649	/* reset the light list and los of the players on the map */
1703	if ((op->glow_radius != 0) && map)	1650	if (op->glow_radius && map && map->darkness)
1704	{
1705	#ifdef DEBUG_LIGHTS
1706	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1707	#endif /* DEBUG_LIGHTS */
1708	if (map->darkness)
1709	update_all_los (map, x, y);	1651	update_all_los (map, x, y);
1710	}
1711		1652
1712	/* Client has no idea of ordering so lets not bother ordering it here.	1653	// if this is a player's inventory, update stats
1713	* It sure simplifies this function...	1654	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1714	*/	1655	update_stats ();
1715	if (!inv)
1716	inv = op;
1717	else
1718	{
1719	op->below = inv;
1720	op->below->above = op;
1721	inv = op;
1722	}
1723		1656
1724	INVOKE_OBJECT (INSERT, this);	1657	INVOKE_OBJECT (INSERT, this);
1725		1658
1726	return op;	1659	return op;
1727	}	1660	}
…		…
1744	*	1677	*
1745	* MSW 2001-07-08: Check all objects on space, not just those below	1678	* MSW 2001-07-08: Check all objects on space, not just those below
1746	* object being inserted. insert_ob_in_map may not put new objects	1679	* object being inserted. insert_ob_in_map may not put new objects
1747	* on top.	1680	* on top.
1748	*/	1681	*/
1749
1750	int	1682	int
1751	check_move_on (object *op, object *originator)	1683	check_move_on (object *op, object *originator)
1752	{	1684	{
1753	object *tmp;	1685	object *tmp;
1754	maptile *m = op->map;	1686	maptile *m = op->map;
…		…
1781		1713
1782	/* The objects have to be checked from top to bottom.	1714	/* The objects have to be checked from top to bottom.
1783	* Hence, we first go to the top:	1715	* Hence, we first go to the top:
1784	*/	1716	*/
1785		1717
1786	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)	1718	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1787	{	1719	{
1788	/* Trim the search when we find the first other spell effect	1720	/* Trim the search when we find the first other spell effect
1789	* this helps performance so that if a space has 50 spell objects,	1721	* this helps performance so that if a space has 50 spell objects,
1790	* we don't need to check all of them.	1722	* we don't need to check all of them.
1791	*/	1723	*/
…		…
1809	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1741	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1810	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1742	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1811	{	1743	{
1812		1744
1813	float	1745	float
1814	diff = tmp->move_slow_penalty * FABS (op->speed);	1746	diff = tmp->move_slow_penalty * fabs (op->speed);
1815		1747
1816	if (op->type == PLAYER)	1748	if (op->type == PLAYER)
1817	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1749	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1818	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1750	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1819	diff /= 4.0;	1751	diff /= 4.0;
…		…
1849	* The first matching object is returned, or NULL if none.	1781	* The first matching object is returned, or NULL if none.
1850	*/	1782	*/
1851	object *	1783	object *
1852	present_arch (const archetype *at, maptile *m, int x, int y)	1784	present_arch (const archetype *at, maptile *m, int x, int y)
1853	{	1785	{
1854	if (m == NULL || out_of_map (m, x, y))	1786	if (!m || out_of_map (m, x, y))
1855	{	1787	{
1856	LOG (llevError, "Present_arch called outside map.\n");	1788	LOG (llevError, "Present_arch called outside map.\n");
1857	return NULL;	1789	return NULL;
1858	}	1790	}
1859		1791
1860	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1792	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1861	if (tmp->arch == at)	1793	if (tmp->arch->archname == at->archname)
1862	return tmp;	1794	return tmp;
1863		1795
1864	return NULL;	1796	return NULL;
1865	}	1797	}
1866		1798
…		…
1876	{	1808	{
1877	LOG (llevError, "Present called outside map.\n");	1809	LOG (llevError, "Present called outside map.\n");
1878	return NULL;	1810	return NULL;
1879	}	1811	}
1880		1812
1881	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1813	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1882	if (tmp->type == type)	1814	if (tmp->type == type)
1883	return tmp;	1815	return tmp;
1884		1816
1885	return NULL;	1817	return NULL;
1886	}	1818	}
…		…
1930	* The first matching object is returned, or NULL if none.	1862	* The first matching object is returned, or NULL if none.
1931	*/	1863	*/
1932	object *	1864	object *
1933	present_arch_in_ob (const archetype *at, const object *op)	1865	present_arch_in_ob (const archetype *at, const object *op)
1934	{	1866	{
1935	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1867	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1936	if (tmp->arch == at)	1868	if (tmp->arch->archname == at->archname)
1937	return tmp;	1869	return tmp;
1938		1870
1939	return NULL;	1871	return NULL;
1940	}	1872	}
1941		1873
…		…
1943	* activate recursively a flag on an object inventory	1875	* activate recursively a flag on an object inventory
1944	*/	1876	*/
1945	void	1877	void
1946	flag_inv (object *op, int flag)	1878	flag_inv (object *op, int flag)
1947	{	1879	{
1948	if (op->inv)
1949	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1880	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1950	{	1881	{
1951	SET_FLAG (tmp, flag);	1882	SET_FLAG (tmp, flag);
1952	flag_inv (tmp, flag);	1883	flag_inv (tmp, flag);
1953	}	1884	}
1954	}	1885	}
1955		1886
1956	/*	1887	/*
1957	* deactivate recursively a flag on an object inventory	1888	* deactivate recursively a flag on an object inventory
1958	*/	1889	*/
1959	void	1890	void
1960	unflag_inv (object *op, int flag)	1891	unflag_inv (object *op, int flag)
1961	{	1892	{
1962	if (op->inv)
1963	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1893	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1964	{	1894	{
1965	CLEAR_FLAG (tmp, flag);	1895	CLEAR_FLAG (tmp, flag);
1966	unflag_inv (tmp, flag);	1896	unflag_inv (tmp, flag);
1967	}	1897	}
1968	}
1969
1970	/*
1971	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1972	* all it's inventory (recursively).
1973	* If checksums are used, a player will get set_cheat called for
1974	* him/her-self and all object carried by a call to this function.
1975	*/
1976	void
1977	set_cheat (object *op)
1978	{
1979	SET_FLAG (op, FLAG_WAS_WIZ);
1980	flag_inv (op, FLAG_WAS_WIZ);
1981	}	1898	}
1982		1899
1983	/*	1900	/*
1984	* find_free_spot(object, map, x, y, start, stop) will search for	1901	* find_free_spot(object, map, x, y, start, stop) will search for
1985	* a spot at the given map and coordinates which will be able to contain	1902	* a spot at the given map and coordinates which will be able to contain
…		…
1987	* to search (see the freearr_x/y[] definition).	1904	* to search (see the freearr_x/y[] definition).
1988	* It returns a random choice among the alternatives found.	1905	* It returns a random choice among the alternatives found.
1989	* start and stop are where to start relative to the free_arr array (1,9	1906	* start and stop are where to start relative to the free_arr array (1,9
1990	* does all 4 immediate directions). This returns the index into the	1907	* does all 4 immediate directions). This returns the index into the
1991	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1908	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1992	* Note - this only checks to see if there is space for the head of the
1993	* object - if it is a multispace object, this should be called for all
1994	* pieces.
1995	* Note2: This function does correctly handle tiled maps, but does not	1909	* Note: This function does correctly handle tiled maps, but does not
1996	* inform the caller. However, insert_ob_in_map will update as	1910	* inform the caller. However, insert_ob_in_map will update as
1997	* necessary, so the caller shouldn't need to do any special work.	1911	* necessary, so the caller shouldn't need to do any special work.
1998	* Note - updated to take an object instead of archetype - this is necessary	1912	* Note - updated to take an object instead of archetype - this is necessary
1999	* because arch_blocked (now ob_blocked) needs to know the movement type	1913	* because arch_blocked (now ob_blocked) needs to know the movement type
2000	* to know if the space in question will block the object. We can't use	1914	* to know if the space in question will block the object. We can't use
…		…
2002	* customized, changed states, etc.	1916	* customized, changed states, etc.
2003	*/	1917	*/
2004	int	1918	int
2005	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1919	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2006	{	1920	{
		1921	int altern[SIZEOFFREE];
2007	int index = 0, flag;	1922	int index = 0, flag;
2008	int altern[SIZEOFFREE];
2009		1923
2010	for (int i = start; i < stop; i++)	1924	for (int i = start; i < stop; i++)
2011	{	1925	{
2012	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1926	mapxy pos (m, x, y); pos.move (i);
2013	if (!flag)	1927
		1928	if (!pos.normalise ())
		1929	continue;
		1930
		1931	mapspace &ms = *pos;
		1932
		1933	if (ms.flags () & P_IS_ALIVE)
		1934	continue;
		1935
		1936	/* However, often
		1937	* ob doesn't have any move type (when used to place exits)
		1938	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1939	*/
		1940	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1941	{
2014	altern [index++] = i;	1942	altern [index++] = i;
		1943	continue;
		1944	}
2015		1945
2016	/* Basically, if we find a wall on a space, we cut down the search size.	1946	/* Basically, if we find a wall on a space, we cut down the search size.
2017	* In this way, we won't return spaces that are on another side of a wall.	1947	* In this way, we won't return spaces that are on another side of a wall.
2018	* This mostly work, but it cuts down the search size in all directions -	1948	* This mostly work, but it cuts down the search size in all directions -
2019	* if the space being examined only has a wall to the north and empty	1949	* if the space being examined only has a wall to the north and empty
2020	* spaces in all the other directions, this will reduce the search space	1950	* spaces in all the other directions, this will reduce the search space
2021	* to only the spaces immediately surrounding the target area, and	1951	* to only the spaces immediately surrounding the target area, and
2022	* won't look 2 spaces south of the target space.	1952	* won't look 2 spaces south of the target space.
2023	*/	1953	*/
2024	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1954	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1955	{
2025	stop = maxfree[i];	1956	stop = maxfree[i];
		1957	continue;
		1958	}
		1959
		1960	/* Note it is intentional that we check ob - the movement type of the
		1961	* head of the object should correspond for the entire object.
		1962	*/
		1963	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1964	continue;
		1965
		1966	if (ob->blocked (m, pos.x, pos.y))
		1967	continue;
		1968
		1969	altern [index++] = i;
2026	}	1970	}
2027		1971
2028	if (!index)	1972	if (!index)
2029	return -1;	1973	return -1;
2030		1974
2031	return altern[RANDOM () % index];	1975	return altern [rndm (index)];
2032	}	1976	}
2033		1977
2034	/*	1978	/*
2035	* find_first_free_spot(archetype, maptile, x, y) works like	1979	* find_first_free_spot(archetype, maptile, x, y) works like
2036	* find_free_spot(), but it will search max number of squares.	1980	* find_free_spot(), but it will search max number of squares.
…		…
2039	*/	1983	*/
2040	int	1984	int
2041	find_first_free_spot (const object *ob, maptile *m, int x, int y)	1985	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2042	{	1986	{
2043	for (int i = 0; i < SIZEOFFREE; i++)	1987	for (int i = 0; i < SIZEOFFREE; i++)
2044	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	1988	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2045	return i;	1989	return i;
2046		1990
2047	return -1;	1991	return -1;
2048	}	1992	}
2049		1993
…		…
2057	{	2001	{
2058	arr += begin;	2002	arr += begin;
2059	end -= begin;	2003	end -= begin;
2060		2004
2061	while (--end)	2005	while (--end)
2062	swap (arr [end], arr [RANDOM () % (end + 1)]);	2006	swap (arr [end], arr [rndm (end + 1)]);
2063	}	2007	}
2064		2008
2065	/* new function to make monster searching more efficient, and effective!	2009	/* new function to make monster searching more efficient, and effective!
2066	* This basically returns a randomized array (in the passed pointer) of	2010	* This basically returns a randomized array (in the passed pointer) of
2067	* the spaces to find monsters. In this way, it won't always look for	2011	* the spaces to find monsters. In this way, it won't always look for
…		…
2103	object *tmp;	2047	object *tmp;
2104	maptile *mp;	2048	maptile *mp;
2105		2049
2106	MoveType blocked, move_type;	2050	MoveType blocked, move_type;
2107		2051
2108	if (exclude && exclude->head)	2052	if (exclude && exclude->head_ () != exclude)
2109	{	2053	{
2110	exclude = exclude->head;	2054	exclude = exclude->head;
2111	move_type = exclude->move_type;	2055	move_type = exclude->move_type;
2112	}	2056	}
2113	else	2057	else
…		…
2136	max = maxfree[i];	2080	max = maxfree[i];
2137	else if (mflags & P_IS_ALIVE)	2081	else if (mflags & P_IS_ALIVE)
2138	{	2082	{
2139	for (tmp = ms.bot; tmp; tmp = tmp->above)	2083	for (tmp = ms.bot; tmp; tmp = tmp->above)
2140	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2084	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2141	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2085	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2142	break;	2086	break;
2143		2087
2144	if (tmp)	2088	if (tmp)
2145	return freedir[i];	2089	return freedir[i];
2146	}	2090	}
…		…
2201		2145
2202	return 3;	2146	return 3;
2203	}	2147	}
2204		2148
2205	/*	2149	/*
2206	* absdir(int): Returns a number between 1 and 8, which represent
2207	* the "absolute" direction of a number (it actually takes care of
2208	* "overflow" in previous calculations of a direction).
2209	*/
2210
2211	int
2212	absdir (int d)
2213	{
2214	while (d < 1)
2215	d += 8;
2216
2217	while (d > 8)
2218	d -= 8;
2219
2220	return d;
2221	}
2222
2223	/*
2224	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2150	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2225	* between two directions (which are expected to be absolute (see absdir())	2151	* between two directions (which are expected to be absolute (see absdir())
2226	*/	2152	*/
2227
2228	int	2153	int
2229	dirdiff (int dir1, int dir2)	2154	dirdiff (int dir1, int dir2)
2230	{	2155	{
2231	int d;	2156	int d;
2232		2157
…		…
2345	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2270	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2346	* core dumps if they do.	2271	* core dumps if they do.
2347	*	2272	*
2348	* Add a check so we can't pick up invisible objects (0.93.8)	2273	* Add a check so we can't pick up invisible objects (0.93.8)
2349	*/	2274	*/
2350
2351	int	2275	int
2352	can_pick (const object *who, const object *item)	2276	can_pick (const object *who, const object *item)
2353	{	2277	{
2354	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2278	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2355	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2279	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2358		2282
2359	/*	2283	/*
2360	* create clone from object to another	2284	* create clone from object to another
2361	*/	2285	*/
2362	object *	2286	object *
2363	object_create_clone (object *asrc)	2287	object::deep_clone ()
2364	{	2288	{
2365	object *dst = 0, *tmp, *src, *part, *prev, *item;	2289	assert (("deep_clone called on non-head object", is_head ()));
2366		2290
2367	if (!asrc)	2291	object *dst = clone ();
2368	return 0;
2369		2292
2370	src = asrc;	2293	object *prev = dst;
2371	if (src->head)
2372	src = src->head;
2373
2374	prev = 0;
2375	for (part = src; part; part = part->more)	2294	for (object *part = this->more; part; part = part->more)
2376	{	2295	{
2377	tmp = part->clone ();	2296	object *tmp = part->clone ();
2378	tmp->x -= src->x;
2379	tmp->y -= src->y;
2380
2381	if (!part->head)
2382	{
2383	dst = tmp;
2384	tmp->head = 0;
2385	}
2386	else
2387	tmp->head = dst;	2297	tmp->head = dst;
2388
2389	tmp->more = 0;
2390
2391	if (prev)
2392	prev->more = tmp;	2298	prev->more = tmp;
2393
2394	prev = tmp;	2299	prev = tmp;
2395	}	2300	}
2396		2301
2397	for (item = src->inv; item; item = item->below)	2302	for (object *item = inv; item; item = item->below)
2398	insert_ob_in_ob (object_create_clone (item), dst);	2303	insert_ob_in_ob (item->deep_clone (), dst);
2399		2304
2400	return dst;	2305	return dst;
2401	}
2402
2403	/* GROS - Creates an object using a string representing its content. */
2404	/* Basically, we save the content of the string to a temp file, then call */
2405	/* load_object on it. I admit it is a highly inefficient way to make things, */
2406	/* but it was simple to make and allows reusing the load_object function. */
2407	/* Remember not to use load_object_str in a time-critical situation. */
2408	/* Also remember that multiparts objects are not supported for now. */
2409	object *
2410	load_object_str (const char *obstr)
2411	{
2412	object *op;
2413	char filename[MAX_BUF];
2414
2415	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2416
2417	FILE *tempfile = fopen (filename, "w");
2418
2419	if (tempfile == NULL)
2420	{
2421	LOG (llevError, "Error - Unable to access load object temp file\n");
2422	return NULL;
2423	}
2424
2425	fprintf (tempfile, obstr);
2426	fclose (tempfile);
2427
2428	op = object::create ();
2429
2430	object_thawer thawer (filename);
2431
2432	if (thawer)
2433	load_object (thawer, op, 0);
2434
2435	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2436	CLEAR_FLAG (op, FLAG_REMOVED);
2437
2438	return op;
2439	}	2306	}
2440		2307
2441	/* This returns the first object in who's inventory that	2308	/* This returns the first object in who's inventory that
2442	* has the same type and subtype match.	2309	* has the same type and subtype match.
2443	* returns NULL if no match.	2310	* returns NULL if no match.
…		…
2450	return tmp;	2317	return tmp;
2451		2318
2452	return 0;	2319	return 0;
2453	}	2320	}
2454		2321
2455	/* If ob has a field named key, return the link from the list,	2322	const shstr &
2456	* otherwise return NULL.	2323	object::kv_get (const shstr &key) const
2457	*
2458	* key must be a passed in shared string - otherwise, this won't
2459	* do the desired thing.
2460	*/
2461	key_value *
2462	get_ob_key_link (const object *ob, const char *key)
2463	{	2324	{
2464	for (key_value *link = ob->key_values; link; link = link->next)	2325	for (key_value *kv = key_values; kv; kv = kv->next)
2465	if (link->key == key)	2326	if (kv->key == key)
2466	return link;
2467
2468	return 0;
2469	}
2470
2471	/*
2472	* Returns the value of op has an extra_field for key, or NULL.
2473	*
2474	* The argument doesn't need to be a shared string.
2475	*
2476	* The returned string is shared.
2477	*/
2478	const char *
2479	get_ob_key_value (const object *op, const char *const key)
2480	{
2481	key_value *link;
2482	shstr_cmp canonical_key (key);
2483
2484	if (!canonical_key)
2485	{
2486	/* 1. There being a field named key on any object
2487	* implies there'd be a shared string to find.
2488	* 2. Since there isn't, no object has this field.
2489	* 3. Therefore, *this* object doesn't have this field.
2490	*/
2491	return 0;
2492	}
2493
2494	/* This is copied from get_ob_key_link() above -
2495	* only 4 lines, and saves the function call overhead.
2496	*/
2497	for (link = op->key_values; link; link = link->next)
2498	if (link->key == canonical_key)
2499	return link->value;	2327	return kv->value;
2500		2328
2501	return 0;	2329	return shstr_null;
2502	}	2330	}
2503		2331
2504		2332	void
2505	/*	2333	object::kv_set (const shstr &key, const shstr &value)
2506	* Updates the canonical_key in op to value.
2507	*
2508	* canonical_key is a shared string (value doesn't have to be).
2509	*
2510	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2511	* keys.
2512	*
2513	* Returns TRUE on success.
2514	*/
2515	int
2516	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2517	{	2334	{
2518	key_value *field = NULL, *last = NULL;	2335	for (key_value *kv = key_values; kv; kv = kv->next)
2519		2336	if (kv->key == key)
2520	for (field = op->key_values; field != NULL; field = field->next)
2521	{
2522	if (field->key != canonical_key)
2523	{	2337	{
2524	last = field;	2338	kv->value = value;
2525	continue;	2339	return;
2526	}	2340	}
2527		2341
2528	if (value)	2342	key_value *kv = new key_value;
2529	field->value = value;	2343
2530	else	2344	kv->next = key_values;
		2345	kv->key = key;
		2346	kv->value = value;
		2347
		2348	key_values = kv;
		2349	}
		2350
		2351	void
		2352	object::kv_del (const shstr &key)
		2353	{
		2354	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2355	if ((*kvp)->key == key)
2531	{	2356	{
2532	/* Basically, if the archetype has this key set,	2357	key_value *kv = *kvp;
2533	* we need to store the null value so when we save	2358	*kvp = (*kvp)->next;
2534	* it, we save the empty value so that when we load,	2359	delete kv;
2535	* we get this value back again.	2360	return;
2536	*/
2537	if (get_ob_key_link (&op->arch->clone, canonical_key))
2538	field->value = 0;
2539	else
2540	{
2541	if (last)
2542	last->next = field->next;
2543	else
2544	op->key_values = field->next;
2545
2546	delete field;
2547	}
2548	}	2361	}
2549	return TRUE;
2550	}
2551	/* IF we get here, key doesn't exist */
2552
2553	/* No field, we'll have to add it. */
2554
2555	if (!add_key)
2556	return FALSE;
2557
2558	/* There isn't any good reason to store a null
2559	* value in the key/value list. If the archetype has
2560	* this key, then we should also have it, so shouldn't
2561	* be here. If user wants to store empty strings,
2562	* should pass in ""
2563	*/
2564	if (value == NULL)
2565	return TRUE;
2566
2567	field = new key_value;
2568
2569	field->key = canonical_key;
2570	field->value = value;
2571	/* Usual prepend-addition. */
2572	field->next = op->key_values;
2573	op->key_values = field;
2574
2575	return TRUE;
2576	}
2577
2578	/*
2579	* Updates the key in op to value.
2580	*
2581	* If add_key is FALSE, this will only update existing keys,
2582	* and not add new ones.
2583	* In general, should be little reason FALSE is ever passed in for add_key
2584	*
2585	* Returns TRUE on success.
2586	*/
2587	int
2588	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2589	{
2590	shstr key_ (key);
2591
2592	return set_ob_key_value_s (op, key_, value, add_key);
2593	}	2362	}
2594		2363
2595	object::depth_iterator::depth_iterator (object *container)	2364	object::depth_iterator::depth_iterator (object *container)
2596	: iterator_base (container)	2365	: iterator_base (container)
2597	{	2366	{
…		…
2611	}	2380	}
2612	else	2381	else
2613	item = item->env;	2382	item = item->env;
2614	}	2383	}
2615		2384
		2385	const char *
		2386	object::flag_desc (char *desc, int len) const
		2387	{
		2388	char *p = desc;
		2389	bool first = true;
		2390
		2391	*p = 0;
		2392
		2393	for (int i = 0; i < NUM_FLAGS; i++)
		2394	{
		2395	if (len <= 10) // magic constant!
		2396	{
		2397	snprintf (p, len, ",...");
		2398	break;
		2399	}
		2400
		2401	if (flag [i])
		2402	{
		2403	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2404	len -= cnt;
		2405	p += cnt;
		2406	first = false;
		2407	}
		2408	}
		2409
		2410	return desc;
		2411	}
		2412
2616	// return a suitable string describing an objetc in enough detail to find it	2413	// return a suitable string describing an object in enough detail to find it
2617	const char *	2414	const char *
2618	object::debug_desc (char *info) const	2415	object::debug_desc (char *info) const
2619	{	2416	{
		2417	char flagdesc[512];
2620	char info2[256 * 3];	2418	char info2[256 * 4];
2621	char *p = info;	2419	char *p = info;
2622		2420
2623	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2421	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2624	count,	2422	count,
		2423	uuid.c_str (),
2625	&name,	2424	&name,
2626	title ? " " : "",	2425	title ? "\",title:\"" : "",
2627	title ? (const char *)title : "");	2426	title ? (const char *)title : "",
		2427	flag_desc (flagdesc, 512), type);
2628		2428
2629	if (env)	2429	if (!flag[FLAG_REMOVED] && env)
2630	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2430	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2631		2431
2632	if (map)	2432	if (map)
2633	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2433	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2634		2434
2635	return info;	2435	return info;
2636	}	2436	}
2637		2437
2638	const char *	2438	const char *
2639	object::debug_desc () const	2439	object::debug_desc () const
2640	{	2440	{
2641	static char info[256 * 3];	2441	static char info[3][256 * 4];
		2442	static int info_idx;
		2443
2642	return debug_desc (info);	2444	return debug_desc (info [++info_idx % 3]);
2643	}	2445	}
2644		2446
		2447	struct region *
		2448	object::region () const
		2449	{
		2450	return map ? map->region (x, y)
		2451	: region::default_region ();
		2452	}
		2453
		2454	const materialtype_t *
		2455	object::dominant_material () const
		2456	{
		2457	if (materialtype_t *mt = name_to_material (materialname))
		2458	return mt;
		2459
		2460	return name_to_material (shstr_unknown);
		2461	}
		2462
		2463	void
		2464	object::open_container (object *new_container)
		2465	{
		2466	if (container == new_container)
		2467	return;
		2468
		2469	object *old_container = container;
		2470
		2471	if (old_container)
		2472	{
		2473	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2474	return;
		2475
		2476	#if 0
		2477	// remove the "Close old_container" object.
		2478	if (object *closer = old_container->inv)
		2479	if (closer->type == CLOSE_CON)
		2480	closer->destroy ();
		2481	#endif
		2482
		2483	// make sure the container is available
		2484	esrv_send_item (this, old_container);
		2485
		2486	old_container->flag [FLAG_APPLIED] = false;
		2487	container = 0;
		2488
		2489	// client needs item update to make it work, client bug requires this to be separate
		2490	esrv_update_item (UPD_FLAGS, this, old_container);
		2491
		2492	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2493	play_sound (sound_find ("chest_close"));
		2494	}
		2495
		2496	if (new_container)
		2497	{
		2498	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2499	return;
		2500
		2501	// TODO: this does not seem to serve any purpose anymore?
		2502	#if 0
		2503	// insert the "Close Container" object.
		2504	if (archetype *closer = new_container->other_arch)
		2505	{
		2506	object *closer = arch_to_object (new_container->other_arch);
		2507	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2508	new_container->insert (closer);
		2509	}
		2510	#endif
		2511
		2512	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2513
		2514	// make sure the container is available, client bug requires this to be separate
		2515	esrv_send_item (this, new_container);
		2516
		2517	new_container->flag [FLAG_APPLIED] = true;
		2518	container = new_container;
		2519
		2520	// client needs flag change
		2521	esrv_update_item (UPD_FLAGS, this, new_container);
		2522	esrv_send_inventory (this, new_container);
		2523	play_sound (sound_find ("chest_open"));
		2524	}
		2525	// else if (!old_container->env && contr && contr->ns)
		2526	// contr->ns->floorbox_reset ();
		2527	}
		2528
		2529	object *
		2530	object::force_find (const shstr name)
		2531	{
		2532	/* cycle through his inventory to look for the MARK we want to
		2533	* place
		2534	*/
		2535	for (object *tmp = inv; tmp; tmp = tmp->below)
		2536	if (tmp->type == FORCE && tmp->slaying == name)
		2537	return splay (tmp);
		2538
		2539	return 0;
		2540	}
		2541
		2542	void
		2543	object::force_add (const shstr name, int duration)
		2544	{
		2545	if (object *force = force_find (name))
		2546	force->destroy ();
		2547
		2548	object *force = get_archetype (FORCE_NAME);
		2549
		2550	force->slaying = name;
		2551	force->stats.food = 1;
		2552	force->speed_left = -1.f;
		2553
		2554	force->set_speed (duration ? 1.f / duration : 0.f);
		2555	force->flag [FLAG_IS_USED_UP] = true;
		2556	force->flag [FLAG_APPLIED] = true;
		2557
		2558	insert (force);
		2559	}
		2560
		2561	void
		2562	object::play_sound (faceidx sound)
		2563	{
		2564	if (!sound)
		2565	return;
		2566
		2567	if (flag [FLAG_REMOVED])
		2568	return;
		2569
		2570	if (env)
		2571	{
		2572	if (object *pl = in_player ())
		2573	pl->contr->play_sound (sound);
		2574	}
		2575	else
		2576	map->play_sound (sound, x, y);
		2577	}
		2578

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