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Comparing deliantra/server/common/object.C (file contents):
Revision 1.82 by root, Mon Dec 25 11:25:49 2006 UTC vs.
Revision 1.292 by root, Mon Oct 19 21:48:49 2009 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 (©) 2005,2006,2007,2008,2009 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 it under
8	it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
9	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	11	* 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 Affero GNU General Public License
18	along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
20		21	*
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
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>	25	#include <global.h>
28	#include <stdio.h>	26	#include <stdio.h>
29	#include <sys/types.h>	27	#include <sys/types.h>
30	#include <sys/uio.h>	28	#include <sys/uio.h>
31	#include <object.h>	29	#include <object.h>
32	#include <funcpoint.h>	30	#include <sproto.h>
33	#include <loader.h>	31	#include <loader.h>
34		32
35	#include <bitset>	33	#include <bitset>
36		34
37	int nrofallocobjects = 0;	35	UUID UUID::cur;
38	static UUID uuid;	36	static uint64_t seq_next_save;
39	const uint64 UUID_SKIP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
		38	uint32_t mapspace::smellcount = 10000;
40		39
41	object *active_objects; /* List of active objects that need to be processed */	40	objectvec objects;
		41	activevec actives;
42		42
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,	43	short freearr_x[SIZEOFFREE] = {
		44	0,
		45	0, 1, 1, 1, 0, -1, -1, -1,
		46	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	47	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	};	48	};
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,	49	short freearr_y[SIZEOFFREE] = {
		50	0,
		51	-1, -1, 0, 1, 1, 1, 0, -1,
		52	-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	53	-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	};	54	};
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,	55	int maxfree[SIZEOFFREE] = {
		56	0,
		57	9, 10, 13, 14, 17, 18, 21, 22,
		58	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	59	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	};	60	};
52	int freedir[SIZEOFFREE] = {	61	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,	62	0,
		63	1, 2, 3, 4, 5, 6, 7, 8,
		64	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	65	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	};	66	};
56		67
57	static void	68	static void
58	write_uuid (void)	69	write_uuid (uval64 skip, bool sync)
59	{	70	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	71	CALL_BEGIN (2);
61		72	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	73	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	74	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		75	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	}	76	}
77		77
78	static void	78	static void
79	read_uuid (void)	79	read_uuid (void)
80	{	80	{
81	char filename[MAX_BUF];	81	char filename[MAX_BUF];
82		82
83	sprintf (filename, "%s/uuid", settings.localdir);	83	sprintf (filename, "%s/uuid", settings.localdir);
		84
		85	seq_next_save = 0;
84		86
85	FILE *fp;	87	FILE *fp;
86		88
87	if (!(fp = fopen (filename, "r")))	89	if (!(fp = fopen (filename, "r")))
88	{	90	{
89	if (errno == ENOENT)	91	if (errno == ENOENT)
90	{	92	{
91	LOG (llevInfo, "RESET uid to 1\n");	93	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	94	UUID::cur.seq = 0;
93	write_uuid ();	95	write_uuid (UUID_GAP, true);
94	return;	96	return;
95	}	97	}
96		98
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	100	_exit (1);
99	}	101	}
100		102
101	int version;	103	UUID::BUF buf;
102	unsigned long long uid;	104	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	105	fgets (buf, sizeof (buf), fp);
		106
		107	if (!UUID::cur.parse (buf))
104	{	108	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	109	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	110	_exit (1);
107	}	111	}
108		112
109	uuid.seq = uid;	113	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	114
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	115	write_uuid (UUID_GAP, true);
112	fclose (fp);	116	fclose (fp);
113	}	117	}
114		118
115	UUID	119	UUID
116	gen_uuid ()	120	UUID::gen ()
117	{	121	{
118	UUID uid;	122	UUID uid;
119		123
120	uid.seq = ++uuid.seq;	124	uid.seq = ++cur.seq;
121		125
122	if (!(uuid.seq & (UUID_SKIP - 1)))	126	if (expect_false (cur.seq >= seq_next_save))
123	write_uuid ();	127	{
		128	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		129	write_uuid (UUID_GAP, false);
		130	}
		131
124		132
125	return uid;	133	return uid;
126	}	134	}
127		135
128	void	136	void
129	init_uuid ()	137	UUID::init ()
130	{	138	{
131	read_uuid ();	139	read_uuid ();
132	}	140	}
133		141
134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	142	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
135	static int	143	static bool
136	compare_ob_value_lists_one (const object *wants, const object *has)	144	compare_ob_value_lists_one (const object *wants, const object *has)
137	{	145	{
138	key_value *wants_field;
139
140	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	146	/* 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	147	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	148	* different structure or at least keep the lists sorted...
143	*/	149	*/
144		150
145	/* For each field in wants, */	151	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	152	for (key_value *kv = wants->key_values; kv; kv = kv->next)
147	{	153	if (has->kv_get (kv->key) != kv->value)
148	key_value *has_field;	154	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		155
169	/* If we get here, every field in wants has a matching field in has. */	156	/* If we get here, every field in wants has a matching field in has. */
170	return TRUE;	157	return true;
171	}	158	}
172		159
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	160	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static int	161	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	162	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	163	{
177	/* However, there may be fields in has which aren't partnered in wants,	164	/* However, there may be fields in has which aren't partnered in wants,
178	* so we need to run the comparison *twice*. :(	165	* so we need to run the comparison *twice*. :(
179	*/	166	*/
180	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	167	return compare_ob_value_lists_one (ob1, ob2)
		168	&& compare_ob_value_lists_one (ob2, ob1);
181	}	169	}
182		170
183	/* Function examines the 2 objects given to it, and returns true if	171	/* Function examines the 2 objects given to it, and returns true if
184	* they can be merged together.	172	* they can be merged together.
185	*	173	*
…		…
190	* Check nrof variable *before* calling can_merge()	178	* Check nrof variable *before* calling can_merge()
191	*	179	*
192	* Improvements made with merge: Better checking on potion, and also	180	* Improvements made with merge: Better checking on potion, and also
193	* check weight	181	* check weight
194	*/	182	*/
195
196	bool object::can_merge_slow (object *ob1, object *ob2)	183	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	184	{
198	/* A couple quicksanity checks */	185	/* A couple quicksanity checks */
199	if (ob1 == ob2	186	if (ob1 == ob2
200	|| ob1->type != ob2->type	187	|| ob1->type != ob2->type
201	|| ob1->speed != ob2->speed	188	|| ob1->speed != ob2->speed
202	|| ob1->value != ob2->value	189	|| ob1->value != ob2->value
203	|| ob1->name != ob2->name)	190	|| ob1->name != ob2->name)
204	return 0;	191	return 0;
205		192
206	//TODO: this ain't working well, use nicer and correct overflow check
207	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	193	/* Do not merge objects if nrof would overflow, assume nrof
208	* value could not be stored in a sint32 (which unfortunately sometimes is	194	* is always 0 .. 2**31-1 */
209	* used to store nrof).	195	if (ob1->nrof > 0x7fffffff - ob2->nrof)
210	*/
211	if (ob1->nrof + ob2->nrof >= 1UL << 31)
212	return 0;	196	return 0;
213		197
214	/* If the objects have been identified, set the BEEN_APPLIED flag.	198	/* 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	199	* 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	200	* 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	201	* are not equal - just if it has been identified, the been_applied
218	* flags lose any meaning.	202	* flags lose any meaning.
219	*/	203	*/
220	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	204	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	205	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
222		206
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	207	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	208	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
225		209
226	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	210	if (ob1->arch->archname != ob2->arch->archname
227	|| ob1->arch != ob2->arch
228	|| ob1->name != ob2->name	211	|| ob1->name != ob2->name
229	|| ob1->title != ob2->title	212	|| ob1->title != ob2->title
230	|| ob1->msg != ob2->msg	213	|| ob1->msg != ob2->msg
231	|| ob1->weight != ob2->weight	214	|| 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	215	|| ob1->attacktype != ob2->attacktype
235	|| ob1->magic != ob2->magic	216	|| ob1->magic != ob2->magic
236	|| ob1->slaying != ob2->slaying	217	|| ob1->slaying != ob2->slaying
237	|| ob1->skill != ob2->skill	218	|| ob1->skill != ob2->skill
238	|| ob1->value != ob2->value	219	|| ob1->value != ob2->value
239	|| ob1->animation_id != ob2->animation_id	220	|| ob1->animation_id != ob2->animation_id
		221	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
240	|| ob1->client_type != ob2->client_type	222	|| ob1->client_type != ob2->client_type
241	|| ob1->materialname != ob2->materialname	223	|| ob1->materialname != ob2->materialname
242	|| ob1->lore != ob2->lore	224	|| ob1->lore != ob2->lore
243	|| ob1->subtype != ob2->subtype	225	|| ob1->subtype != ob2->subtype
244	|| ob1->move_type != ob2->move_type	226	|| ob1->move_type != ob2->move_type
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_REMOVED)
		240	.any ())
		241	return 0;
		242
253	/* This is really a spellbook check - really, we should	243	/* This is really a spellbook check - we should in general
254	* check all objects in the inventory.	244	* not merge objects with real inventories, as splitting them
		245	* is hard.
255	*/	246	*/
256	if (ob1->inv || ob2->inv)	247	if (ob1->inv || ob2->inv)
257	{	248	{
258	/* if one object has inventory but the other doesn't, not equiv */	249	if (!(ob1->inv && ob2->inv))
259	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	250	return 0; /* inventories differ in length */
260	return 0;
261		251
262	/* Now check to see if the two inventory objects could merge */	252	if (ob1->inv->below || ob2->inv->below)
		253	return 0; /* more than one object in inv */
		254
263	if (!object::can_merge (ob1->inv, ob2->inv))	255	if (!object::can_merge (ob1->inv, ob2->inv))
264	return 0;	256	return 0; /* inventory objects differ */
265		257
266	/* inventory ok - still need to check rest of this object to see	258	/* inventory ok - still need to check rest of this object to see
267	* if it is valid.	259	* if it is valid.
268	*/	260	*/
269	}	261	}
…		…
277		269
278	/* Note sure why the following is the case - either the object has to	270	/* 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	271	* be animated or have a very low speed. Is this an attempted monster
280	* check?	272	* check?
281	*/	273	*/
282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	274	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
283	return 0;	275	return 0;
284		276
285	switch (ob1->type)	277	switch (ob1->type)
286	{	278	{
287	case SCROLL:	279	case SCROLL:
288	if (ob1->level != ob2->level)	280	if (ob1->level != ob2->level)
289	return 0;	281	return 0;
290	break;	282	break;
291	}	283	}
292		284
293	if (ob1->key_values != NULL || ob2->key_values != NULL)	285	if (ob1->key_values || ob2->key_values)
294	{	286	{
295	/* At least one of these has key_values. */	287	/* At least one of these has key_values. */
296	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	288	if ((!ob1->key_values) != (!ob2->key_values))
297	/* One has fields, but the other one doesn't. */	289	return 0; /* One has fields, but the other one doesn't. */
		290
		291	if (!compare_ob_value_lists (ob1, ob2))
298	return 0;	292	return 0;
299	else if (!compare_ob_value_lists (ob1, ob2))
300	return 0;
301	}	293	}
302		294
303	//TODO: generate an event or call into perl for additional checks
304	if (ob1->self || ob2->self)	295	if (ob1->self || ob2->self)
305	{	296	{
306	ob1->optimise ();	297	ob1->optimise ();
307	ob2->optimise ();	298	ob2->optimise ();
308		299
309	if (ob1->self || ob2->self)	300	if (ob1->self || ob2->self)
		301	{
		302	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		303	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		304
		305	if (k1 != k2)
310	return 0;	306	return 0;
		307
		308	if (k1 == 0)
		309	return 1;
		310
		311	if (!cfperl_can_merge (ob1, ob2))
		312	return 0;
		313	}
311	}	314	}
312		315
313	/* Everything passes, must be OK. */	316	/* Everything passes, must be OK. */
314	return 1;	317	return 1;
315	}	318	}
316		319
		320	// find player who can see this object
		321	object *
		322	object::visible_to () const
		323	{
		324	if (client_visible () && !flag [FLAG_REMOVED])
		325	{
		326	// see if we are in a container of sorts
		327	if (env)
		328	{
		329	// the player inventory itself is always visible
		330	if (env->is_player ())
		331	return env;
		332
		333	// else a player could have our env open
		334	object *envest = env->outer_env_or_self ();
		335
		336	// the player itself is always on a map, so we will find him here
		337	// even if our inv is in a player.
		338	if (envest->is_on_map ())
		339	if (object *pl = envest->ms ().player ())
		340	if (pl->container_ () == env)
		341	return pl;
		342	}
		343	else
		344	{
		345	// maybe there is a player standing on the same mapspace
		346	// this will catch the case where "this" is a player
		347	if (object *pl = ms ().player ())
		348	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		349	|| pl->container_ () == this)
		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 ();
		435	}
		436
		437	char *
		438	object::as_string ()
		439	{
		440	return dump_object (this);
371	}	441	}
372		442
373	/*	443	/*
374	* get_nearest_part(multi-object, object 2) returns the part of the	444	* get_nearest_part(multi-object, object 2) returns the part of the
375	* multi-object 1 which is closest to the second object.	445	* multi-object 1 which is closest to the second object.
376	* If it's not a multi-object, it is returned.	446	* If it's not a multi-object, it is returned.
377	*/	447	*/
378
379	object *	448	object *
380	get_nearest_part (object *op, const object *pl)	449	get_nearest_part (object *op, const object *pl)
381	{	450	{
382	object *tmp, *closest;	451	object *tmp, *closest;
383	int last_dist, i;	452	int last_dist, i;
384		453
385	if (op->more == NULL)	454	if (!op->more)
386	return op;	455	return op;
		456
387	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	457	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		458	tmp;
		459	tmp = tmp->more)
388	if ((i = distance (tmp, pl)) < last_dist)	460	if ((i = distance (tmp, pl)) < last_dist)
389	closest = tmp, last_dist = i;	461	closest = tmp, last_dist = i;
		462
390	return closest;	463	return closest;
391	}	464	}
392		465
393	/*	466	/*
394	* Returns the object which has the count-variable equal to the argument.	467	* Returns the object which has the count-variable equal to the argument.
		468	* VERRRY slow.
395	*/	469	*/
396
397	object *	470	object *
398	find_object (tag_t i)	471	find_object (tag_t i)
399	{	472	{
400	for (object *op = object::first; op; op = op->next)	473	for_all_objects (op)
401	if (op->count == i)	474	if (op->count == i)
402	return op;	475	return op;
403		476
404	return 0;	477	return 0;
405	}	478	}
406		479
407	/*	480	/*
408	* Returns the first object which has a name equal to the argument.	481	* Returns the first object which has a name equal to the argument.
409	* Used only by the patch command, but not all that useful.	482	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	483	* Enables features like "patch <name-of-other-player> food 999"
411	*/	484	*/
412
413	object *	485	object *
414	find_object_name (const char *str)	486	find_object_name (const char *str)
415	{	487	{
416	shstr_cmp str_ (str);	488	shstr_cmp str_ (str);
417	object *op;
418		489
419	for (op = object::first; op != NULL; op = op->next)	490	if (str_)
		491	for_all_objects (op)
420	if (op->name == str_)	492	if (op->name == str_)
421	break;	493	return op;
422		494
423	return op;	495	return 0;
424	}
425
426	void
427	free_all_object_data ()
428	{
429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
430	}	496	}
431		497
432	/*	498	/*
433	* Sets the owner and sets the skill and exp pointers to owner's current	499	* Sets the owner and sets the skill and exp pointers to owner's current
434	* skill and experience objects.	500	* skill and experience objects.
		501	* ACTUALLY NO! investigate! TODO
435	*/	502	*/
436	void	503	void
437	object::set_owner (object *owner)	504	object::set_owner (object *owner)
438	{	505	{
		506	// allow objects which own objects
439	if (!owner)	507	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)	508	while (owner->owner)
450	owner = owner->owner;	509	owner = owner->owner;
		510
		511	if (flag [FLAG_FREED])
		512	{
		513	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		514	return;
		515	}
451		516
452	this->owner = owner;	517	this->owner = owner;
		518	}
		519
		520	int
		521	object::slottype () const
		522	{
		523	if (type == SKILL)
		524	{
		525	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		526	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		527	}
		528	else
		529	{
		530	if (slot [body_combat].info) return slot_combat;
		531	if (slot [body_range ].info) return slot_ranged;
		532	}
		533
		534	return slot_none;
		535	}
		536
		537	bool
		538	object::change_weapon (object *ob)
		539	{
		540	if (current_weapon == ob)
		541	return true;
		542
		543	if (chosen_skill)
		544	chosen_skill->flag [FLAG_APPLIED] = false;
		545
		546	current_weapon = ob;
		547	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		548
		549	if (chosen_skill)
		550	chosen_skill->flag [FLAG_APPLIED] = true;
		551
		552	update_stats ();
		553
		554	if (ob)
		555	{
		556	// now check wether any body locations became invalid, in which case
		557	// we cannot apply the weapon at the moment.
		558	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		559	if (slot[i].used < 0)
		560	{
		561	current_weapon = chosen_skill = 0;
		562	update_stats ();
		563
		564	new_draw_info_format (NDI_UNIQUE, 0, this,
		565	"You try to balance all your items at once, "
		566	"but the %s is just too much for your body. "
		567	"[You need to unapply some items first - use the 'body' command to see "
		568	"how many items you cna wera on a specific body part.]", &ob->name);
		569	return false;
		570	}
		571
		572	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		573	}
		574	else
		575	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		576
		577	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		578	{
		579	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		580	&name, ob->debug_desc ());
		581	return false;
		582	}
		583
		584	return true;
453	}	585	}
454		586
455	/* Zero the key_values on op, decrementing the shared-string	587	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	588	* refcounts and freeing the links.
457	*/	589	*/
458	static void	590	static void
459	free_key_values (object *op)	591	free_key_values (object *op)
460	{	592	{
461	for (key_value *i = op->key_values; i != 0;)	593	for (key_value *i = op->key_values; i; )
462	{	594	{
463	key_value *next = i->next;	595	key_value *next = i->next;
464	delete i;	596	delete i;
465		597
466	i = next;	598	i = next;
…		…
478	* will point at garbage.	610	* will point at garbage.
479	*/	611	*/
480	void	612	void
481	object::copy_to (object *dst)	613	object::copy_to (object *dst)
482	{	614	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	615	dst->remove ();
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
485
486	*(object_copy *)dst = *this;	616	*(object_copy *)dst = *this;
487		617	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		618
497	/* Copy over key_values, if any. */	619	/* Copy over key_values, if any. */
498	if (key_values)	620	if (key_values)
499	{	621	{
500	key_value *tail = 0;	622	key_value *tail = 0;
501	key_value *i;
502
503	dst->key_values = 0;	623	dst->key_values = 0;
504		624
505	for (i = key_values; i; i = i->next)	625	for (key_value *i = key_values; i; i = i->next)
506	{	626	{
507	key_value *new_link = new key_value;	627	key_value *new_link = new key_value;
508		628
509	new_link->next = 0;	629	new_link->next = 0;
510	new_link->key = i->key;	630	new_link->key = i->key;
511	new_link->value = i->value;	631	new_link->value = i->value;
512		632
513	/* Try and be clever here, too. */	633	/* Try and be clever here, too. */
514	if (!dst->key_values)	634	if (!dst->key_values)
515	{	635	{
…		…
522	tail = new_link;	642	tail = new_link;
523	}	643	}
524	}	644	}
525	}	645	}
526		646
527	update_ob_speed (dst);	647	if (speed < 0)
		648	dst->speed_left -= rndm ();
		649
		650	dst->activate ();
		651	}
		652
		653	void
		654	object::instantiate ()
		655	{
		656	if (!uuid.seq) // HACK
		657	uuid = UUID::gen ();
		658
		659	speed_left = -0.1f;
		660	/* copy the body_info to the body_used - this is only really
		661	* need for monsters, but doesn't hurt to do it for everything.
		662	* by doing so, when a monster is created, it has good starting
		663	* values for the body_used info, so when items are created
		664	* for it, they can be properly equipped.
		665	*/
		666	for (int i = NUM_BODY_LOCATIONS; i--; )
		667	slot[i].used = slot[i].info;
		668
		669	attachable::instantiate ();
528	}	670	}
529		671
530	object *	672	object *
531	object::clone ()	673	object::clone ()
532	{	674	{
533	object *neu = create ();	675	object *neu = create ();
534	copy_to (neu);	676	copy_to (neu);
		677	neu->map = map; // not copied by copy_to
535	return neu;	678	return neu;
536	}	679	}
537		680
538	/*	681	/*
539	* If an object with the IS_TURNABLE() flag needs to be turned due	682	* 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	683	* 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.	684	* be called to update the face variable, _and_ how it looks on the map.
542	*/	685	*/
543
544	void	686	void
545	update_turn_face (object *op)	687	update_turn_face (object *op)
546	{	688	{
547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	689	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
548	return;	690	return;
		691
549	SET_ANIMATION (op, op->direction);	692	SET_ANIMATION (op, op->direction);
550	update_object (op, UP_OBJ_FACE);	693	update_object (op, UP_OBJ_FACE);
551	}	694	}
552		695
553	/*	696	/*
554	* Updates the speed of an object. If the speed changes from 0 to another	697	* 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.	698	* 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.	699	* This function needs to be called whenever the speed of an object changes.
557	*/	700	*/
558	void	701	void
559	update_ob_speed (object *op)	702	object::set_speed (float speed)
560	{	703	{
561	extern int arch_init;	704	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	{	705	{
569	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	706	LOG (llevError, "Object %s is freed but has speed.\n", &name);
570	#ifdef MANY_CORES
571	abort ();
572	#else
573	op->speed = 0;	707	speed = 0;
574	#endif
575	}
576
577	if (arch_init)
578	return;
579
580	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
581	{	708	}
582	/* If already on active list, don't do anything */
583	if (op->active_next || op->active_prev || op == active_objects)
584	return;
585		709
586	/* process_events() expects us to insert the object at the beginning	710	this->speed = speed;
587	* of the list. */
588	op->active_next = active_objects;
589		711
590	if (op->active_next != NULL)	712	if (has_active_speed ())
591	op->active_next->active_prev = op;	713	activate ();
592
593	active_objects = op;
594	}
595	else	714	else
596	{	715	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	}	716	}
651		717
652	/*	718	/*
653	* update_object() updates the the map.	719	* update_object() updates the the map.
654	* It takes into account invisible objects (and represent squares covered	720	* It takes into account invisible objects (and represent squares covered
…		…
667	* UP_OBJ_FACE: only the objects face has changed.	733	* UP_OBJ_FACE: only the objects face has changed.
668	*/	734	*/
669	void	735	void
670	update_object (object *op, int action)	736	update_object (object *op, int action)
671	{	737	{
672	MoveType move_on, move_off, move_block, move_slow;	738	if (!op)
673
674	if (op == NULL)
675	{	739	{
676	/* this should never happen */	740	/* this should never happen */
677	LOG (llevDebug, "update_object() called for NULL object.\n");	741	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
678	return;	742	return;
679	}	743	}
680		744
681	if (op->env)	745	if (!op->is_on_map ())
682	{	746	{
683	/* Animation is currently handled by client, so nothing	747	/* Animation is currently handled by client, so nothing
684	* to do in this case.	748	* to do in this case.
685	*/	749	*/
686	return;	750	return;
687	}	751	}
688		752
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
695	/* make sure the object is within map boundaries */	753	/* make sure the object is within map boundaries */
696	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	754	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
697	{	755	{
698	LOG (llevError, "update_object() called for object out of map!\n");	756	LOG (llevError, "update_object() called for object out of map!\n");
699	#ifdef MANY_CORES	757	#ifdef MANY_CORES
700	abort ();	758	abort ();
701	#endif	759	#endif
702	return;	760	return;
703	}	761	}
704		762
705	mapspace &m = op->ms ();	763	mapspace &m = op->ms ();
706		764
707	if (m.flags_ & P_NEED_UPDATE)	765	if (!(m.flags_ & P_UPTODATE))
708	/* nop */;	766	/* nop */;
709	else if (action == UP_OBJ_INSERT)	767	else if (action == UP_OBJ_INSERT)
710	{	768	{
711	// this is likely overkill, TODO: revisit (schmorp)	769	// this is likely overkill, TODO: revisit (schmorp)
712	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	770	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
713	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	771	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
714	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	772	|| (op->is_player () && !(m.flags_ & P_PLAYER))
715	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	773	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
716	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	774	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
717	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	775	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
718	|| (m.move_on | op->move_on ) != m.move_on	776	|| (m.move_on | op->move_on ) != m.move_on
719	|| (m.move_off | op->move_off ) != m.move_off	777	|| (m.move_off | op->move_off ) != m.move_off
720	|| (m.move_slow | op->move_slow) != m.move_slow	778	|| (m.move_slow | op->move_slow) != m.move_slow
721	/* This isn't perfect, but I don't expect a lot of objects to	779	/* This isn't perfect, but I don't expect a lot of objects to
722	* to have move_allow right now.	780	* have move_allow right now.
723	*/	781	*/
724	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	782	|| ((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)	783	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
726	m.flags_ = P_NEED_UPDATE;	784	m.invalidate ();
727	}	785	}
728	/* if the object is being removed, we can't make intelligent	786	/* if the object is being removed, we can't make intelligent
729	* decisions, because remove_ob can't really pass the object	787	* decisions, because remove_ob can't really pass the object
730	* that is being removed.	788	* that is being removed.
731	*/	789	*/
732	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	790	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
733	m.flags_ = P_NEED_UPDATE;	791	m.invalidate ();
734	else if (action == UP_OBJ_FACE)	792	else if (action == UP_OBJ_FACE)
735	/* Nothing to do for that case */ ;	793	/* Nothing to do for that case */ ;
736	else	794	else
737	LOG (llevError, "update_object called with invalid action: %d\n", action);	795	LOG (llevError, "update_object called with invalid action: %d\n", action);
738		796
739	if (op->more)	797	if (op->more)
740	update_object (op->more, action);	798	update_object (op->more, action);
741	}	799	}
742		800
743	object::vector object::objects; // not yet used
744	object *object::first;
745
746	object::object ()	801	object::object ()
747	{	802	{
748	SET_FLAG (this, FLAG_REMOVED);	803	SET_FLAG (this, FLAG_REMOVED);
749		804
750	expmul = 1.0;	805	//expmul = 1.0; declared const for the time being
751	face = blank_face;	806	face = blank_face;
752	}	807	}
753		808
754	object::~object ()	809	object::~object ()
755	{	810	{
		811	unlink ();
		812
756	free_key_values (this);	813	free_key_values (this);
757	}	814	}
758		815
		816	static int object_count;
		817
759	void object::link ()	818	void object::link ()
760	{	819	{
		820	assert (!index);//D
		821	uuid = UUID::gen ();
761	count = ++ob_count;	822	count = ++object_count;
762	uuid = gen_uuid ();
763		823
764	prev = 0;	824	refcnt_inc ();
765	next = object::first;	825	objects.insert (this);
766
767	if (object::first)
768	object::first->prev = this;
769
770	object::first = this;
771	}	826	}
772		827
773	void object::unlink ()	828	void object::unlink ()
774	{	829	{
775	if (this == object::first)	830	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;	831	return;
819		832
820	flag [FLAG_FREED] = 1;	833	objects.erase (this);
		834	refcnt_dec ();
		835	}
821		836
822	// hack to ensure that freed objects still have a valid map	837	void
823	{	838	object::activate ()
824	static maptile *freed_map; // freed objects are moved here to avoid crashes	839	{
		840	/* If already on active list, don't do anything */
		841	if (active)
		842	return;
825		843
826	if (!freed_map)	844	if (has_active_speed ())
827	{	845	{
828	freed_map = new maptile;	846	if (flag [FLAG_FREED])
		847	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
829		848
830	freed_map->name = "/internal/freed_objects_map";	849	actives.insert (this);
831	freed_map->width = 3;
832	freed_map->height = 3;
833
834	freed_map->allocate ();
835	}	850	}
		851	}
836		852
837	map = freed_map;	853	void
838	x = 1;	854	object::activate_recursive ()
839	y = 1;	855	{
		856	activate ();
		857
		858	for (object *op = inv; op; op = op->below)
		859	op->activate_recursive ();
		860	}
		861
		862	/* This function removes object 'op' from the list of active
		863	* objects.
		864	* This should only be used for style maps or other such
		865	* reference maps where you don't want an object that isn't
		866	* in play chewing up cpu time getting processed.
		867	* The reverse of this is to call update_ob_speed, which
		868	* will do the right thing based on the speed of the object.
		869	*/
		870	void
		871	object::deactivate ()
		872	{
		873	/* If not on the active list, nothing needs to be done */
		874	if (!active)
		875	return;
		876
		877	actives.erase (this);
		878	}
		879
		880	void
		881	object::deactivate_recursive ()
		882	{
		883	for (object *op = inv; op; op = op->below)
		884	op->deactivate_recursive ();
		885
		886	deactivate ();
		887	}
		888
		889	void
		890	object::set_flag_inv (int flag, int value)
		891	{
		892	for (object *op = inv; op; op = op->below)
		893	{
		894	op->flag [flag] = value;
		895	op->set_flag_inv (flag, value);
840	}	896	}
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	}	897	}
860		898
861	/*	899	/*
862	* Remove and free all objects in the inventory of the given object.	900	* Remove and free all objects in the inventory of the given object.
863	* object.c ?	901	* object.c ?
864	*/	902	*/
865	void	903	void
866	object::destroy_inv (bool drop_to_ground)	904	object::destroy_inv (bool drop_to_ground)
867	{	905	{
		906	// need to check first, because the checks below might segfault
		907	// as we might be on an invalid mapspace and crossfire code
		908	// is too buggy to ensure that the inventory is empty.
		909	// corollary: if you create arrows etc. with stuff in its inventory,
		910	// cf will crash below with off-map x and y
868	if (!inv)	911	if (!inv)
869	return;	912	return;
870		913
871	/* Only if the space blocks everything do we not process -	914	/* Only if the space blocks everything do we not process -
872	* if some form of movement is allowed, let objects	915	* if some form of movement is allowed, let objects
873	* drop on that space.	916	* drop on that space.
874	*/	917	*/
875	if (!drop_to_ground || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)	918	if (!drop_to_ground
		919	|| !map
		920	|| map->in_memory != MAP_ACTIVE
		921	|| map->no_drop
		922	|| ms ().move_block == MOVE_ALL)
876	{	923	{
877	while (inv)	924	while (inv)
878	{
879	inv->destroy_inv (drop_to_ground);
880	inv->destroy ();	925	inv->destroy ();
881	}
882	}	926	}
883	else	927	else
884	{ /* Put objects in inventory onto this space */	928	{ /* Put objects in inventory onto this space */
885	while (inv)	929	while (inv)
886	{	930	{
…		…
888		932
889	if (op->flag [FLAG_STARTEQUIP]	933	if (op->flag [FLAG_STARTEQUIP]
890	|| op->flag [FLAG_NO_DROP]	934	|| op->flag [FLAG_NO_DROP]
891	|| op->type == RUNE	935	|| op->type == RUNE
892	|| op->type == TRAP	936	|| op->type == TRAP
893	|| op->flag [FLAG_IS_A_TEMPLATE])	937	|| op->flag [FLAG_IS_A_TEMPLATE]
		938	|| op->flag [FLAG_DESTROY_ON_DEATH])
894	op->destroy ();	939	op->destroy ();
895	else	940	else
896	{	941	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	}	942	}
903	}	943	}
904	}	944	}
905		945
		946	object *object::create ()
		947	{
		948	object *op = new object;
		949	op->link ();
		950	return op;
		951	}
		952
		953	static struct freed_map : maptile
		954	{
		955	freed_map ()
		956	{
		957	path = "<freed objects map>";
		958	name = "/internal/freed_objects_map";
		959	width = 3;
		960	height = 3;
		961	no_drop = 1;
		962	no_reset = 1;
		963
		964	alloc ();
		965	in_memory = MAP_ACTIVE;
		966	}
		967
		968	~freed_map ()
		969	{
		970	destroy ();
		971	}
		972	} freed_map; // freed objects are moved here to avoid crashes
		973
906	void	974	void
907	object::destroy (bool destroy_inventory)	975	object::do_destroy ()
		976	{
		977	if (flag [FLAG_IS_LINKED])
		978	remove_link ();
		979
		980	if (flag [FLAG_FRIENDLY])
		981	remove_friendly_object (this);
		982
		983	remove ();
		984
		985	attachable::do_destroy ();
		986
		987	deactivate ();
		988	unlink ();
		989
		990	flag [FLAG_FREED] = 1;
		991
		992	// hack to ensure that freed objects still have a valid map
		993	map = &freed_map;
		994	x = 1;
		995	y = 1;
		996
		997	if (more)
		998	{
		999	more->destroy ();
		1000	more = 0;
		1001	}
		1002
		1003	head = 0;
		1004
		1005	// clear those pointers that likely might cause circular references
		1006	owner = 0;
		1007	enemy = 0;
		1008	attacked_by = 0;
		1009	current_weapon = 0;
		1010	}
		1011
		1012	void
		1013	object::destroy ()
908	{	1014	{
909	if (destroyed ())	1015	if (destroyed ())
910	return;	1016	return;
911		1017
912	if (more)	1018	if (!is_head () && !head->destroyed ())
913	{
914	//TODO: non-head objects must not have inventory
915	more->destroy (destroy_inventory);
916	more = 0;
917	}	1019	{
		1020	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1021	head->destroy ();
		1022	return;
		1023	}
918		1024
919	if (destroy_inventory)
920	destroy_inv (true);	1025	destroy_inv (false);
		1026
		1027	if (is_head ())
		1028	if (sound_destroy)
		1029	play_sound (sound_destroy);
		1030	else if (flag [FLAG_MONSTER])
		1031	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
921		1032
922	attachable::destroy ();	1033	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	}	1034	}
941		1035
942	/* op->remove ():	1036	/* op->remove ():
943	* This function removes the object op from the linked list of objects	1037	* 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	1038	* which it is currently tied to. When this function is done, the
945	* object will have no environment. If the object previously had an	1039	* object will have no environment. If the object previously had an
946	* environment, the x and y coordinates will be updated to	1040	* environment, the x and y coordinates will be updated to
947	* the previous environment.	1041	* the previous environment.
948	* Beware: This function is called from the editor as well!
949	*/	1042	*/
950	void	1043	void
951	object::remove ()	1044	object::do_remove ()
952	{	1045	{
953	object *tmp, *last = 0;	1046	object *tmp, *last = 0;
954	object *otmp;	1047	object *otmp;
955		1048
956	if (QUERY_FLAG (this, FLAG_REMOVED))	1049	if (flag [FLAG_REMOVED])
957	return;	1050	return;
958		1051
959	SET_FLAG (this, FLAG_REMOVED);
960	INVOKE_OBJECT (REMOVE, this);	1052	INVOKE_OBJECT (REMOVE, this);
		1053
		1054	flag [FLAG_REMOVED] = true;
961		1055
962	if (more)	1056	if (more)
963	more->remove ();	1057	more->remove ();
964		1058
965	/*	1059	/*
966	* In this case, the object to be removed is in someones	1060	* In this case, the object to be removed is in someones
967	* inventory.	1061	* inventory.
968	*/	1062	*/
969	if (env)	1063	if (env)
970	{	1064	{
971	if (nrof)	1065	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
972	sub_weight (env, weight * nrof);	1066	if (object *pl = visible_to ())
973	else	1067	esrv_del_item (pl->contr, count);
974	sub_weight (env, weight + carrying);	1068	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1069
		1070	adjust_weight (env, -total_weight ());
		1071
		1072	object *pl = in_player ();
		1073
		1074	/* we set up values so that it could be inserted into
		1075	* the map, but we don't actually do that - it is up
		1076	* to the caller to decide what we want to do.
		1077	*/
		1078	map = env->map;
		1079	x = env->x;
		1080	y = env->y;
		1081
		1082	// make sure cmov optimisation is applicable
		1083	*(above ? &above->below : &env->inv) = below;
		1084	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1085
		1086	above = 0;
		1087	below = 0;
		1088	env = 0;
975		1089
976	/* NO_FIX_PLAYER is set when a great many changes are being	1090	/* NO_FIX_PLAYER is set when a great many changes are being
977	* made to players inventory. If set, avoiding the call	1091	* made to players inventory. If set, avoiding the call
978	* to save cpu time.	1092	* to save cpu time.
979	*/	1093	*/
980	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1094	if (pl)
		1095	if (pl->is_player () && (glow_radius || !QUERY_FLAG (pl, FLAG_NO_FIX_PLAYER)))
		1096	{
981	otmp->update_stats ();	1097	pl->update_stats ();
982		1098
983	if (above != NULL)	1099	if (glow_radius && pl->is_on_map ())
984	above->below = below;	1100	update_all_los (pl->map, pl->x, pl->y);
985	else	1101	}
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	}	1102	}
1000	else if (map)	1103	else if (map)
1001	{	1104	{
1002	/* Re did the following section of code - it looks like it had	1105	map->dirty = true;
1003	* lots of logic for things we no longer care about	1106	mapspace &ms = this->ms ();
		1107
		1108	if (object *pl = ms.player ())
1004	*/	1109	{
		1110	if (is_player ())
		1111	{
		1112	if (!flag [FLAG_WIZPASS])
		1113	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1114
		1115	// leaving a spot always closes any open container on the ground
		1116	if (container && !container->env)
		1117	// this causes spurious floorbox updates, but it ensures
		1118	// that the CLOSE event is being sent.
		1119	close_container ();
		1120
		1121	--map->players;
		1122	map->touch ();
		1123	}
		1124	else if (pl->container_ () == this)
		1125	{
		1126	// removing a container should close it
		1127	close_container ();
		1128	}
		1129
		1130	esrv_del_item (pl->contr, count);
		1131	}
1005		1132
1006	/* link the object above us */	1133	/* link the object above us */
1007	if (above)	1134	// re-link, make sure compiler can easily use cmove
1008	above->below = below;	1135	*(above ? &above->below : &ms.top) = below;
1009	else	1136	*(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).bottom = above; /* goes on above it. */
1033	}
1034		1137
1035	above = 0;	1138	above = 0;
1036	below = 0;	1139	below = 0;
1037		1140
		1141	ms.invalidate ();
		1142
1038	if (map->in_memory == MAP_SAVING)	1143	if (map->in_memory == MAP_SAVING)
1039	return;	1144	return;
1040		1145
1041	int check_walk_off = !flag [FLAG_NO_APPLY];	1146	int check_walk_off = !flag [FLAG_NO_APPLY];
1042		1147
		1148	if (object *pl = ms.player ())
		1149	{
		1150	if (pl->container_ () == this)
		1151	/* If a container that the player is currently using somehow gets
		1152	* removed (most likely destroyed), update the player view
		1153	* appropriately.
		1154	*/
		1155	pl->close_container ();
		1156
		1157	//TODO: the floorbox prev/next might need updating
		1158	//esrv_del_item (pl->contr, count);
		1159	//TODO: update floorbox to preserve ordering
		1160	if (pl->contr->ns)
		1161	pl->contr->ns->floorbox_update ();
		1162	}
		1163
1043	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1164	for (tmp = ms.bot; tmp; tmp = tmp->above)
1044	{	1165	{
1045	/* No point updating the players look faces if he is the object	1166	/* No point updating the players look faces if he is the object
1046	* being removed.	1167	* being removed.
1047	*/	1168	*/
1048		1169
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 */	1170	/* See if object moving off should effect something */
1066	if (check_walk_off	1171	if (check_walk_off
1067	&& ((move_type & tmp->move_off)	1172	&& ((move_type & tmp->move_off)
1068	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1173	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1069	{	1174	{
1070	move_apply (tmp, this, 0);	1175	move_apply (tmp, this, 0);
1071		1176
1072	if (destroyed ())	1177	if (destroyed ())
1073	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1178	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1074	}	1179	}
1075		1180
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;	1181	last = tmp;
1082	}	1182	}
1083		1183
1084	/* last == NULL of there are no objects on this space */	1184	if (affects_los ())
1085	if (!last)
1086	map->at (x, y).flags_ = P_NEED_UPDATE;
1087	else
1088	update_object (last, UP_OBJ_REMOVE);
1089
1090	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1091	update_all_los (map, x, y);	1185	update_all_los (map, x, y);
1092	}	1186	}
1093	}	1187	}
1094		1188
1095	/*	1189	/*
…		…
1104	merge_ob (object *op, object *top)	1198	merge_ob (object *op, object *top)
1105	{	1199	{
1106	if (!op->nrof)	1200	if (!op->nrof)
1107	return 0;	1201	return 0;
1108		1202
1109	if (top)	1203	if (!top)
1110	for (top = op; top && top->above; top = top->above)	1204	for (top = op; top && top->above; top = top->above)
1111	;	1205	;
1112		1206
1113	for (; top; top = top->below)	1207	for (; top; top = top->below)
1114	{
1115	if (top == op)
1116	continue;
1117
1118	if (object::can_merge (op, top))	1208	if (object::can_merge (op, top))
1119	{	1209	{
1120	top->nrof += op->nrof;	1210	top->nrof += op->nrof;
1121		1211
1122	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1212	if (object *pl = top->visible_to ())
1123	op->weight = 0; /* Don't want any adjustements now */	1213	esrv_update_item (UPD_NROF, pl, top);
		1214
		1215	op->weight = 0; // cancel the addition above
		1216	op->carrying = 0; // must be 0 already
		1217
1124	op->destroy ();	1218	op->destroy ();
		1219
1125	return top;	1220	return top;
1126	}	1221	}
1127	}
1128		1222
1129	return 0;	1223	return 0;
1130	}	1224	}
1131		1225
		1226	void
		1227	object::expand_tail ()
		1228	{
		1229	if (more)
		1230	return;
		1231
		1232	object *prev = this;
		1233
		1234	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1235	{
		1236	object *op = arch_to_object (at);
		1237
		1238	op->name = name;
		1239	op->name_pl = name_pl;
		1240	op->title = title;
		1241
		1242	op->head = this;
		1243	prev->more = op;
		1244
		1245	prev = op;
		1246	}
		1247	}
		1248
1132	/*	1249	/*
1133	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1250	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1134	* job preparing multi-part monsters	1251	* job preparing multi-part monsters.
1135	*/	1252	*/
1136	object *	1253	object *
1137	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1254	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1138	{	1255	{
1139	object *tmp;	1256	op->remove ();
1140		1257
1141	if (op->head)
1142	op = op->head;
1143
1144	for (tmp = op; tmp; tmp = tmp->more)	1258	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1145	{	1259	{
1146	tmp->x = x + tmp->arch->clone.x;	1260	tmp->x = x + tmp->arch->x;
1147	tmp->y = y + tmp->arch->clone.y;	1261	tmp->y = y + tmp->arch->y;
1148	}	1262	}
1149		1263
1150	return insert_ob_in_map (op, m, originator, flag);	1264	return insert_ob_in_map (op, m, originator, flag);
1151	}	1265	}
1152		1266
…		…
1171	* just 'op' otherwise	1285	* just 'op' otherwise
1172	*/	1286	*/
1173	object *	1287	object *
1174	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1288	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1175	{	1289	{
1176	object *tmp, *top, *floor = NULL;	1290	op->remove ();
1177	sint16 x, y;
1178		1291
1179	if (QUERY_FLAG (op, FLAG_FREED))	1292	if (m == &freed_map)//D TODO: remove soon
1180	{	1293	{//D
1181	LOG (llevError, "Trying to insert freed object!\n");	1294	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1182	return NULL;
1183	}	1295	}//D
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		1296
1248	/* Ideally, the caller figures this out. However, it complicates a lot	1297	/* 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	1298	* of areas of callers (eg, anything that uses find_free_spot would now
1250	* need extra work	1299	* need extra work
1251	*/	1300	*/
1252	op->map = get_map_from_coord (m, &op->x, &op->y);	1301	maptile *newmap = m;
1253	x = op->x;	1302	if (!xy_normalise (newmap, op->x, op->y))
1254	y = op->y;	1303	{
		1304	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
		1305	return 0;
		1306	}
		1307
		1308	if (object *more = op->more)
		1309	if (!insert_ob_in_map (more, m, originator, flag))
		1310	return 0;
		1311
		1312	op->flag [FLAG_REMOVED] = false;
		1313	op->env = 0;
		1314	op->map = newmap;
		1315
		1316	mapspace &ms = op->ms ();
1255		1317
1256	/* this has to be done after we translate the coordinates.	1318	/* this has to be done after we translate the coordinates.
1257	*/	1319	*/
1258	if (op->nrof && !(flag & INS_NO_MERGE))	1320	if (op->nrof && !(flag & INS_NO_MERGE))
1259	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1321	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1260	if (object::can_merge (op, tmp))	1322	if (object::can_merge (op, tmp))
1261	{	1323	{
		1324	// TODO: we actually want to update tmp, not op,
		1325	// but some caller surely breaks when we return tmp
		1326	// from here :/
1262	op->nrof += tmp->nrof;	1327	op->nrof += tmp->nrof;
1263	tmp->destroy ();	1328	tmp->destroy ();
1264	}	1329	}
1265		1330
1266	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1331	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1275	{	1340	{
1276	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1341	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1277	abort ();	1342	abort ();
1278	}	1343	}
1279		1344
		1345	if (!originator->is_on_map ())
		1346	{
		1347	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1348	op->debug_desc (), originator->debug_desc ());
		1349	abort ();
		1350	}
		1351
1280	op->above = originator;	1352	op->above = originator;
1281	op->below = originator->below;	1353	op->below = originator->below;
1282
1283	if (op->below)
1284	op->below->above = op;
1285	else
1286	op->ms ().bottom = op;
1287
1288	/* since *below* originator, no need to update top */
1289	originator->below = op;	1354	originator->below = op;
		1355
		1356	*(op->below ? &op->below->above : &ms.bot) = op;
1290	}	1357	}
1291	else	1358	else
1292	{	1359	{
		1360	object *floor = 0;
		1361	object *top = ms.top;
		1362
1293	/* If there are other objects, then */	1363	/* If there are other objects, then */
1294	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1364	if (top)
1295	{	1365	{
1296	object *last = NULL;
1297
1298	/*	1366	/*
1299	* If there are multiple objects on this space, we do some trickier handling.	1367	* If there are multiple objects on this space, we do some trickier handling.
1300	* We've already dealt with merging if appropriate.	1368	* We've already dealt with merging if appropriate.
1301	* Generally, we want to put the new object on top. But if	1369	* Generally, we want to put the new object on top. But if
1302	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1370	* 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	1373	* 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	1374	* 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	1375	* when lots of spells are cast in one area. Currently, it is presumed
1308	* that flying non pickable objects are spell objects.	1376	* that flying non pickable objects are spell objects.
1309	*/	1377	*/
1310		1378	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1311	while (top != NULL)
1312	{	1379	{
1313	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1380	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1314	floor = top;	1381	floor = tmp;
1315		1382
1316	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1383	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1317	{	1384	{
1318	/* We insert above top, so we want this object below this */	1385	/* We insert above top, so we want this object below this */
1319	top = top->below;	1386	top = tmp->below;
1320	break;	1387	break;
1321	}	1388	}
1322		1389
1323	last = top;
1324	top = top->above;	1390	top = tmp;
1325	}	1391	}
1326
1327	/* Don't want top to be NULL, so set it to the last valid object */
1328	top = last;
1329		1392
1330	/* We let update_position deal with figuring out what the space	1393	/* We let update_position deal with figuring out what the space
1331	* looks like instead of lots of conditions here.	1394	* looks like instead of lots of conditions here.
1332	* makes things faster, and effectively the same result.	1395	* makes things faster, and effectively the same result.
1333	*/	1396	*/
1334		1397
1335	/* Have object 'fall below' other objects that block view.	1398	/* Have object 'fall below' other objects that block view.
1336	* Unless those objects are exits, type 66	1399	* Unless those objects are exits.
1337	* If INS_ON_TOP is used, don't do this processing	1400	* If INS_ON_TOP is used, don't do this processing
1338	* Need to find the object that in fact blocks view, otherwise	1401	* Need to find the object that in fact blocks view, otherwise
1339	* stacking is a bit odd.	1402	* stacking is a bit odd.
1340	*/	1403	*/
1341	if (!(flag & INS_ON_TOP) &&	1404	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))	1405	&& ms.flags () & P_BLOCKSVIEW
		1406	&& (op->face && !faces [op->face].visibility))
1343	{	1407	{
		1408	object *last;
		1409
1344	for (last = top; last != floor; last = last->below)	1410	for (last = top; last != floor; last = last->below)
1345	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1411	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1346	break;	1412	break;
		1413
1347	/* Check to see if we found the object that blocks view,	1414	/* Check to see if we found the object that blocks view,
1348	* and make sure we have a below pointer for it so that	1415	* and make sure we have a below pointer for it so that
1349	* we can get inserted below this one, which requires we	1416	* we can get inserted below this one, which requires we
1350	* set top to the object below us.	1417	* set top to the object below us.
1351	*/	1418	*/
1352	if (last && last->below && last != floor)	1419	if (last && last->below && last != floor)
1353	top = last->below;	1420	top = last->below;
1354	}	1421	}
1355	} /* If objects on this space */	1422	} /* If objects on this space */
1356		1423
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)	1424	if (flag & INS_ABOVE_FLOOR_ONLY)
1361	top = floor;	1425	top = floor;
1362		1426
1363	/* Top is the object that our object (op) is going to get inserted above.	1427	// insert object above top, or bottom-most if top = 0
1364	*/
1365
1366	/* First object on this space */
1367	if (!top)	1428	if (!top)
1368	{	1429	{
1369	op->above = GET_MAP_OB (op->map, op->x, op->y);
1370
1371	if (op->above)
1372	op->above->below = op;
1373
1374	op->below = NULL;	1430	op->below = 0;
		1431	op->above = ms.bot;
1375	op->ms ().bottom = op;	1432	ms.bot = op;
		1433
		1434	*(op->above ? &op->above->below : &ms.top) = op;
1376	}	1435	}
1377	else	1436	else
1378	{ /* get inserted into the stack above top */	1437	{
1379	op->above = top->above;	1438	op->above = top->above;
1380
1381	if (op->above)
1382	op->above->below = op;	1439	top->above = op;
1383		1440
1384	op->below = top;	1441	op->below = top;
1385	top->above = op;	1442	*(op->above ? &op->above->below : &ms.top) = op;
1386	}	1443	}
		1444	}
1387		1445
1388	if (op->above == NULL)	1446	if (op->is_player ())
1389	op->ms ().top = op;	1447	{
1390	} /* else not INS_BELOW_ORIGINATOR */
1391
1392	if (op->type == PLAYER)
1393	op->contr->do_los = 1;	1448	op->contr->do_los = 1;
		1449	++op->map->players;
		1450	op->map->touch ();
		1451	}
1394		1452
1395	/* If we have a floor, we know the player, if any, will be above	1453	op->map->dirty = true;
1396	* it, so save a few ticks and start from there.	1454
1397	*/
1398	if (!(flag & INS_MAP_LOAD))
1399	if (object *pl = op->ms ().player ())	1455	if (object *pl = ms.player ())
		1456	//TODO: the floorbox prev/next might need updating
		1457	//esrv_send_item (pl, op);
		1458	//TODO: update floorbox to preserve ordering
1400	if (pl->contr->ns)	1459	if (pl->contr->ns)
1401	pl->contr->ns->floorbox_update ();	1460	pl->contr->ns->floorbox_update ();
1402		1461
1403	/* If this object glows, it may affect lighting conditions that are	1462	/* If this object glows, it may affect lighting conditions that are
1404	* visible to others on this map. But update_all_los is really	1463	* 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	1464	* 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	1465	* on the map will get recalculated. The players could very well
1407	* be far away from this change and not affected in any way -	1466	* be far away from this change and not affected in any way -
1408	* this should get redone to only look for players within range,	1467	* this should get redone to only look for players within range,
1409	* or just updating the P_NEED_UPDATE for spaces within this area	1468	* or just updating the P_UPTODATE for spaces within this area
1410	* of effect may be sufficient.	1469	* of effect may be sufficient.
1411	*/	1470	*/
1412	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1471	if (op->affects_los ())
		1472	{
		1473	op->ms ().invalidate ();
1413	update_all_los (op->map, op->x, op->y);	1474	update_all_los (op->map, op->x, op->y);
		1475	}
1414		1476
1415	/* updates flags (blocked, alive, no magic, etc) for this map space */	1477	/* updates flags (blocked, alive, no magic, etc) for this map space */
1416	update_object (op, UP_OBJ_INSERT);	1478	update_object (op, UP_OBJ_INSERT);
1417		1479
1418	INVOKE_OBJECT (INSERT, op);	1480	INVOKE_OBJECT (INSERT, op);
…		…
1425	* blocked() and wall() work properly), and these flags are updated by	1487	* blocked() and wall() work properly), and these flags are updated by
1426	* update_object().	1488	* update_object().
1427	*/	1489	*/
1428		1490
1429	/* if this is not the head or flag has been passed, don't check walk on status */	1491	/* 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)	1492	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1431	{	1493	{
1432	if (check_move_on (op, originator))	1494	if (check_move_on (op, originator))
1433	return 0;	1495	return 0;
1434		1496
1435	/* If we are a multi part object, lets work our way through the check	1497	/* If we are a multi part object, lets work our way through the check
1436	* walk on's.	1498	* walk on's.
1437	*/	1499	*/
1438	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1500	for (object *tmp = op->more; tmp; tmp = tmp->more)
1439	if (check_move_on (tmp, originator))	1501	if (check_move_on (tmp, originator))
1440	return 0;	1502	return 0;
1441	}	1503	}
1442		1504
1443	return op;	1505	return op;
…		…
1446	/* this function inserts an object in the map, but if it	1508	/* this function inserts an object in the map, but if it
1447	* finds an object of its own type, it'll remove that one first.	1509	* finds an object of its own type, it'll remove that one first.
1448	* op is the object to insert it under: supplies x and the map.	1510	* op is the object to insert it under: supplies x and the map.
1449	*/	1511	*/
1450	void	1512	void
1451	replace_insert_ob_in_map (const char *arch_string, object *op)	1513	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1452	{	1514	{
1453	object *tmp, *tmp1;
1454
1455	/* first search for itself and remove any old instances */	1515	/* first search for itself and remove any old instances */
1456		1516
1457	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1517	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1458	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1518	if (tmp->arch->archname == archname) /* same archetype */
1459	tmp->destroy ();	1519	tmp->destroy ();
1460		1520
1461	tmp1 = arch_to_object (archetype::find (arch_string));	1521	object *tmp = arch_to_object (archetype::find (archname));
1462		1522
1463	tmp1->x = op->x;	1523	tmp->x = op->x;
1464	tmp1->y = op->y;	1524	tmp->y = op->y;
		1525
1465	insert_ob_in_map (tmp1, op->map, op, 0);	1526	insert_ob_in_map (tmp, op->map, op, 0);
1466	}	1527	}
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		1528
1476	object *	1529	object *
1477	get_split_ob (object *orig_ob, uint32 nr)	1530	object::insert_at (object *where, object *originator, int flags)
1478	{	1531	{
1479	object *newob;	1532	if (where->env)
1480	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1533	return where->env->insert (this);
1481		1534	else
1482	if (orig_ob->nrof < nr)	1535	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	}	1536	}
1508		1537
1509	/*	1538	/*
1510	* decrease_ob_nr(object, number) decreases a specified number from	1539	* decrease(object, number) decreases a specified number from
1511	* the amount of an object. If the amount reaches 0, the object	1540	* the amount of an object. If the amount reaches 0, the object
1512	* is subsequently removed and freed.	1541	* is subsequently removed and freed.
1513	*	1542	*
1514	* Return value: 'op' if something is left, NULL if the amount reached 0	1543	* Return value: 'op' if something is left, NULL if the amount reached 0
1515	*/	1544	*/
		1545	bool
		1546	object::decrease (sint32 nr)
		1547	{
		1548	if (!nr)
		1549	return true;
1516		1550
		1551	nr = min (nr, nrof);
		1552
		1553	if (nrof > nr)
		1554	{
		1555	nrof -= nr;
		1556	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1557
		1558	if (object *pl = visible_to ())
		1559	esrv_update_item (UPD_NROF, pl, this);
		1560
		1561	return true;
		1562	}
		1563	else
		1564	{
		1565	destroy ();
		1566	return false;
		1567	}
		1568	}
		1569
		1570	/*
		1571	* split(ob,nr) splits up ob into two parts. The part which
		1572	* is returned contains nr objects, and the remaining parts contains
		1573	* the rest (or is removed and returned if that number is 0).
		1574	* On failure, NULL is returned.
		1575	*/
1517	object *	1576	object *
1518	decrease_ob_nr (object *op, uint32 i)	1577	object::split (sint32 nr)
1519	{	1578	{
1520	object *tmp;	1579	int have = number_of ();
1521		1580
1522	if (i == 0) /* objects with op->nrof require this check */	1581	if (have < nr)
1523	return op;	1582	return 0;
1524		1583	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	{	1584	{
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 ();	1585	remove ();
1560	op->nrof = 0;	1586	return this;
1561	if (tmp)
1562	esrv_del_item (tmp->contr, op->count);
1563	}
1564	}	1587	}
1565	else	1588	else
1566	{	1589	{
1567	object *above = op->above;	1590	decrease (nr);
1568		1591
1569	if (i < op->nrof)	1592	object *op = deep_clone ();
1570	op->nrof -= i;	1593	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;	1594	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	}	1595	}
1613	}	1596	}
1614		1597
1615	object *	1598	object *
1616	insert_ob_in_ob (object *op, object *where)	1599	insert_ob_in_ob (object *op, object *where)
…		…
1621	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1604	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1622	free (dump);	1605	free (dump);
1623	return op;	1606	return op;
1624	}	1607	}
1625		1608
1626	if (where->head)	1609	if (where->head_ () != where)
1627	{	1610	{
1628	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1611	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1629	where = where->head;	1612	where = where->head;
1630	}	1613	}
1631		1614
1632	return where->insert (op);	1615	return where->insert (op);
1633	}	1616	}
…		…
1638	* inside the object environment.	1621	* inside the object environment.
1639	*	1622	*
1640	* The function returns now pointer to inserted item, and return value can	1623	* The function returns now pointer to inserted item, and return value can
1641	* be != op, if items are merged. -Tero	1624	* be != op, if items are merged. -Tero
1642	*/	1625	*/
1643
1644	object *	1626	object *
1645	object::insert (object *op)	1627	object::insert (object *op)
1646	{	1628	{
1647	object *tmp, *otmp;
1648
1649	if (!QUERY_FLAG (op, FLAG_REMOVED))
1650	op->remove ();
1651
1652	if (op->more)	1629	if (op->more)
1653	{	1630	{
1654	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1631	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1655	return op;	1632	return op;
1656	}	1633	}
1657		1634
1658	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1635	op->remove ();
1659	CLEAR_FLAG (op, FLAG_REMOVED);	1636
		1637	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1638
1660	if (op->nrof)	1639	if (op->nrof)
1661	{
1662	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1640	for (object *tmp = inv; tmp; tmp = tmp->below)
1663	if (object::can_merge (tmp, op))	1641	if (object::can_merge (tmp, op))
1664	{	1642	{
1665	/* return the original object and remove inserted object	1643	/* return the original object and remove inserted object
1666	(client needs the original object) */	1644	(client needs the original object) */
1667	tmp->nrof += op->nrof;	1645	tmp->nrof += op->nrof;
1668	/* Weight handling gets pretty funky. Since we are adding to	1646
1669	* tmp->nrof, we need to increase the weight.	1647	if (object *pl = tmp->visible_to ())
1670	*/	1648	esrv_update_item (UPD_NROF, pl, tmp);
		1649
1671	add_weight (this, op->weight * op->nrof);	1650	adjust_weight (this, op->total_weight ());
1672	SET_FLAG (op, FLAG_REMOVED);	1651
1673	op->destroy (); /* free the inserted object */	1652	op->destroy ();
1674	op = tmp;	1653	op = tmp;
1675	op->remove (); /* and fix old object's links */	1654	goto inserted;
1676	CLEAR_FLAG (op, FLAG_REMOVED);
1677	break;
1678	}	1655	}
1679		1656
1680	/* I assume combined objects have no inventory	1657	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;	1658	op->map = 0;
1697	op->env = this;	1659	op->x = 0;
		1660	op->y = 0;
		1661
1698	op->above = 0;	1662	op->above = 0;
1699	op->below = 0;	1663	op->below = inv;
1700	op->x = 0, op->y = 0;	1664	op->env = this;
1701		1665
		1666	if (inv)
		1667	inv->above = op;
		1668
		1669	inv = op;
		1670
		1671	op->flag [FLAG_REMOVED] = 0;
		1672
		1673	if (object *pl = op->visible_to ())
		1674	esrv_send_item (pl, op);
		1675
		1676	adjust_weight (this, op->total_weight ());
		1677
		1678	inserted:
1702	/* reset the light list and los of the players on the map */	1679	/* reset the light list and los of the players on the map */
1703	if ((op->glow_radius != 0) && map)	1680	if (op->glow_radius && is_on_map ())
1704	{	1681	{
1705	#ifdef DEBUG_LIGHTS	1682	update_stats ();
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 (map))
1709	update_all_los (map, x, y);	1683	update_all_los (map, x, y);
1710	}
1711
1712	/* Client has no idea of ordering so lets not bother ordering it here.
1713	* It sure simplifies this function...
1714	*/
1715	if (!inv)
1716	inv = op;
1717	else
1718	{	1684	}
1719	op->below = inv;	1685	else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1720	op->below->above = op;	1686	// if this is a player's inventory, update stats
1721	inv = op;	1687	update_stats ();
1722	}
1723		1688
1724	INVOKE_OBJECT (INSERT, this);	1689	INVOKE_OBJECT (INSERT, this);
1725		1690
1726	return op;	1691	return op;
1727	}	1692	}
…		…
1744	*	1709	*
1745	* MSW 2001-07-08: Check all objects on space, not just those below	1710	* 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	1711	* object being inserted. insert_ob_in_map may not put new objects
1747	* on top.	1712	* on top.
1748	*/	1713	*/
1749
1750	int	1714	int
1751	check_move_on (object *op, object *originator)	1715	check_move_on (object *op, object *originator)
1752	{	1716	{
		1717	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1718	return 0;
		1719
1753	object *tmp;	1720	object *tmp;
1754	maptile *m = op->map;	1721	maptile *m = op->map;
1755	int x = op->x, y = op->y;	1722	int x = op->x, y = op->y;
1756		1723
1757	MoveType move_on, move_slow, move_block;	1724	mapspace &ms = m->at (x, y);
1758		1725
1759	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1726	ms.update ();
1760	return 0;
1761		1727
1762	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1728	MoveType move_on = ms.move_on;
1763	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1729	MoveType move_slow = ms.move_slow;
1764	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1730	MoveType move_block = ms.move_block;
1765		1731
1766	/* if nothing on this space will slow op down or be applied,	1732	/* if nothing on this space will slow op down or be applied,
1767	* no need to do checking below. have to make sure move_type	1733	* no need to do checking below. have to make sure move_type
1768	* is set, as lots of objects don't have it set - we treat that	1734	* is set, as lots of objects don't have it set - we treat that
1769	* as walking.	1735	* as walking.
…		…
1780	return 0;	1746	return 0;
1781		1747
1782	/* The objects have to be checked from top to bottom.	1748	/* The objects have to be checked from top to bottom.
1783	* Hence, we first go to the top:	1749	* Hence, we first go to the top:
1784	*/	1750	*/
1785		1751	for (object *next, *tmp = ms.top; tmp; tmp = next)
1786	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)
1787	{
1788	/* Trim the search when we find the first other spell effect
1789	* this helps performance so that if a space has 50 spell objects,
1790	* we don't need to check all of them.
1791	*/
1792	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1793	break;
1794	}	1752	{
		1753	next = tmp->below;
1795		1754
1796	for (; tmp; tmp = tmp->below)
1797	{
1798	if (tmp == op)	1755	if (tmp == op)
1799	continue; /* Can't apply yourself */	1756	continue; /* Can't apply yourself */
1800		1757
1801	/* Check to see if one of the movement types should be slowed down.	1758	/* Check to see if one of the movement types should be slowed down.
1802	* Second check makes sure that the movement types not being slowed	1759	* Second check makes sure that the movement types not being slowed
…		…
1807	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1764	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1808	{	1765	{
1809	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1766	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))	1767	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1811	{	1768	{
1812
1813	float
1814	diff = tmp->move_slow_penalty * FABS (op->speed);	1769	float diff = tmp->move_slow_penalty * fabs (op->speed);
1815		1770
1816	if (op->type == PLAYER)	1771	if (op->is_player ())
1817	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1772	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1818	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1773	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1819	diff /= 4.0;	1774	diff /= 4.0;
1820		1775
1821	op->speed_left -= diff;	1776	op->speed_left -= diff;
1822	}	1777	}
1823	}	1778	}
…		…
1846	/*	1801	/*
1847	* present_arch(arch, map, x, y) searches for any objects with	1802	* present_arch(arch, map, x, y) searches for any objects with
1848	* a matching archetype at the given map and coordinates.	1803	* a matching archetype at the given map and coordinates.
1849	* The first matching object is returned, or NULL if none.	1804	* The first matching object is returned, or NULL if none.
1850	*/	1805	*/
1851
1852	object *	1806	object *
1853	present_arch (const archetype *at, maptile *m, int x, int y)	1807	present_arch (const archetype *at, maptile *m, int x, int y)
1854	{	1808	{
1855	object *
1856	tmp;
1857
1858	if (m == NULL || out_of_map (m, x, y))	1809	if (!m || out_of_map (m, x, y))
1859	{	1810	{
1860	LOG (llevError, "Present_arch called outside map.\n");	1811	LOG (llevError, "Present_arch called outside map.\n");
1861	return NULL;	1812	return NULL;
1862	}	1813	}
1863	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1814
1864	if (tmp->arch == at)	1815	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
		1816	if (tmp->arch->archname == at->archname)
1865	return tmp;	1817	return tmp;
		1818
1866	return NULL;	1819	return NULL;
1867	}	1820	}
1868		1821
1869	/*	1822	/*
1870	* present(type, map, x, y) searches for any objects with	1823	* present(type, map, x, y) searches for any objects with
1871	* a matching type variable at the given map and coordinates.	1824	* a matching type variable at the given map and coordinates.
1872	* The first matching object is returned, or NULL if none.	1825	* The first matching object is returned, or NULL if none.
1873	*/	1826	*/
1874
1875	object *	1827	object *
1876	present (unsigned char type, maptile *m, int x, int y)	1828	present (unsigned char type, maptile *m, int x, int y)
1877	{	1829	{
1878	object *
1879	tmp;
1880
1881	if (out_of_map (m, x, y))	1830	if (out_of_map (m, x, y))
1882	{	1831	{
1883	LOG (llevError, "Present called outside map.\n");	1832	LOG (llevError, "Present called outside map.\n");
1884	return NULL;	1833	return NULL;
1885	}	1834	}
1886	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1835
		1836	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1887	if (tmp->type == type)	1837	if (tmp->type == type)
1888	return tmp;	1838	return tmp;
		1839
1889	return NULL;	1840	return NULL;
1890	}	1841	}
1891		1842
1892	/*	1843	/*
1893	* present_in_ob(type, object) searches for any objects with	1844	* present_in_ob(type, object) searches for any objects with
1894	* a matching type variable in the inventory of the given object.	1845	* a matching type variable in the inventory of the given object.
1895	* The first matching object is returned, or NULL if none.	1846	* The first matching object is returned, or NULL if none.
1896	*/	1847	*/
1897
1898	object *	1848	object *
1899	present_in_ob (unsigned char type, const object *op)	1849	present_in_ob (unsigned char type, const object *op)
1900	{	1850	{
1901	object *
1902	tmp;
1903
1904	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1851	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1905	if (tmp->type == type)	1852	if (tmp->type == type)
1906	return tmp;	1853	return tmp;
		1854
1907	return NULL;	1855	return NULL;
1908	}	1856	}
1909		1857
1910	/*	1858	/*
1911	* present_in_ob (type, str, object) searches for any objects with	1859	* present_in_ob (type, str, object) searches for any objects with
…		…
1922	* to be unique.	1870	* to be unique.
1923	*/	1871	*/
1924	object *	1872	object *
1925	present_in_ob_by_name (int type, const char *str, const object *op)	1873	present_in_ob_by_name (int type, const char *str, const object *op)
1926	{	1874	{
1927	object *tmp;
1928
1929	for (tmp = op->inv; tmp; tmp = tmp->below)	1875	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1930	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1876	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
1931	return tmp;	1877	return tmp;
1932		1878
1933	return 0;	1879	return 0;
1934	}	1880	}
…		…
1939	* The first matching object is returned, or NULL if none.	1885	* The first matching object is returned, or NULL if none.
1940	*/	1886	*/
1941	object *	1887	object *
1942	present_arch_in_ob (const archetype *at, const object *op)	1888	present_arch_in_ob (const archetype *at, const object *op)
1943	{	1889	{
1944	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1890	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1945	if (tmp->arch == at)	1891	if (tmp->arch->archname == at->archname)
1946	return tmp;	1892	return tmp;
1947		1893
1948	return NULL;	1894	return NULL;
1949	}	1895	}
1950		1896
…		…
1952	* activate recursively a flag on an object inventory	1898	* activate recursively a flag on an object inventory
1953	*/	1899	*/
1954	void	1900	void
1955	flag_inv (object *op, int flag)	1901	flag_inv (object *op, int flag)
1956	{	1902	{
1957	if (op->inv)
1958	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1903	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1959	{	1904	{
1960	SET_FLAG (tmp, flag);	1905	SET_FLAG (tmp, flag);
1961	flag_inv (tmp, flag);	1906	flag_inv (tmp, flag);
1962	}	1907	}
1963	}	1908	}
1964		1909
1965	/*	1910	/*
1966	* deactivate recursively a flag on an object inventory	1911	* deactivate recursively a flag on an object inventory
1967	*/	1912	*/
1968	void	1913	void
1969	unflag_inv (object *op, int flag)	1914	unflag_inv (object *op, int flag)
1970	{	1915	{
1971	if (op->inv)
1972	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1916	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1973	{	1917	{
1974	CLEAR_FLAG (tmp, flag);	1918	CLEAR_FLAG (tmp, flag);
1975	unflag_inv (tmp, flag);	1919	unflag_inv (tmp, flag);
1976	}	1920	}
1977	}
1978
1979	/*
1980	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1981	* all it's inventory (recursively).
1982	* If checksums are used, a player will get set_cheat called for
1983	* him/her-self and all object carried by a call to this function.
1984	*/
1985	void
1986	set_cheat (object *op)
1987	{
1988	SET_FLAG (op, FLAG_WAS_WIZ);
1989	flag_inv (op, FLAG_WAS_WIZ);
1990	}	1921	}
1991		1922
1992	/*	1923	/*
1993	* find_free_spot(object, map, x, y, start, stop) will search for	1924	* find_free_spot(object, map, x, y, start, stop) will search for
1994	* a spot at the given map and coordinates which will be able to contain	1925	* a spot at the given map and coordinates which will be able to contain
…		…
1996	* to search (see the freearr_x/y[] definition).	1927	* to search (see the freearr_x/y[] definition).
1997	* It returns a random choice among the alternatives found.	1928	* It returns a random choice among the alternatives found.
1998	* start and stop are where to start relative to the free_arr array (1,9	1929	* start and stop are where to start relative to the free_arr array (1,9
1999	* does all 4 immediate directions). This returns the index into the	1930	* does all 4 immediate directions). This returns the index into the
2000	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1931	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2001	* Note - this only checks to see if there is space for the head of the
2002	* object - if it is a multispace object, this should be called for all
2003	* pieces.
2004	* Note2: This function does correctly handle tiled maps, but does not	1932	* Note: This function does correctly handle tiled maps, but does not
2005	* inform the caller. However, insert_ob_in_map will update as	1933	* inform the caller. However, insert_ob_in_map will update as
2006	* necessary, so the caller shouldn't need to do any special work.	1934	* necessary, so the caller shouldn't need to do any special work.
2007	* Note - updated to take an object instead of archetype - this is necessary	1935	* Note - updated to take an object instead of archetype - this is necessary
2008	* because arch_blocked (now ob_blocked) needs to know the movement type	1936	* because arch_blocked (now ob_blocked) needs to know the movement type
2009	* to know if the space in question will block the object. We can't use	1937	* to know if the space in question will block the object. We can't use
…		…
2011	* customized, changed states, etc.	1939	* customized, changed states, etc.
2012	*/	1940	*/
2013	int	1941	int
2014	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1942	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2015	{	1943	{
		1944	int altern[SIZEOFFREE];
2016	int index = 0, flag;	1945	int index = 0, flag;
2017	int altern[SIZEOFFREE];
2018		1946
2019	for (int i = start; i < stop; i++)	1947	for (int i = start; i < stop; i++)
2020	{	1948	{
2021	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1949	mapxy pos (m, x, y); pos.move (i);
2022	if (!flag)	1950
		1951	if (!pos.normalise ())
		1952	continue;
		1953
		1954	mapspace &ms = *pos;
		1955
		1956	if (ms.flags () & P_IS_ALIVE)
		1957	continue;
		1958
		1959	/* However, often
		1960	* ob doesn't have any move type (when used to place exits)
		1961	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1962	*/
		1963	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1964	{
2023	altern [index++] = i;	1965	altern [index++] = i;
		1966	continue;
		1967	}
2024		1968
2025	/* Basically, if we find a wall on a space, we cut down the search size.	1969	/* Basically, if we find a wall on a space, we cut down the search size.
2026	* In this way, we won't return spaces that are on another side of a wall.	1970	* In this way, we won't return spaces that are on another side of a wall.
2027	* This mostly work, but it cuts down the search size in all directions -	1971	* This mostly work, but it cuts down the search size in all directions -
2028	* if the space being examined only has a wall to the north and empty	1972	* if the space being examined only has a wall to the north and empty
2029	* spaces in all the other directions, this will reduce the search space	1973	* spaces in all the other directions, this will reduce the search space
2030	* to only the spaces immediately surrounding the target area, and	1974	* to only the spaces immediately surrounding the target area, and
2031	* won't look 2 spaces south of the target space.	1975	* won't look 2 spaces south of the target space.
2032	*/	1976	*/
2033	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1977	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1978	{
2034	stop = maxfree[i];	1979	stop = maxfree[i];
		1980	continue;
		1981	}
		1982
		1983	/* Note it is intentional that we check ob - the movement type of the
		1984	* head of the object should correspond for the entire object.
		1985	*/
		1986	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1987	continue;
		1988
		1989	if (ob->blocked (pos.m, pos.x, pos.y))
		1990	continue;
		1991
		1992	altern [index++] = i;
2035	}	1993	}
2036		1994
2037	if (!index)	1995	if (!index)
2038	return -1;	1996	return -1;
2039		1997
2040	return altern[RANDOM () % index];	1998	return altern [rndm (index)];
2041	}	1999	}
2042		2000
2043	/*	2001	/*
2044	* find_first_free_spot(archetype, maptile, x, y) works like	2002	* find_first_free_spot(archetype, maptile, x, y) works like
2045	* find_free_spot(), but it will search max number of squares.	2003	* find_free_spot(), but it will search max number of squares.
…		…
2048	*/	2006	*/
2049	int	2007	int
2050	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2008	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2051	{	2009	{
2052	for (int i = 0; i < SIZEOFFREE; i++)	2010	for (int i = 0; i < SIZEOFFREE; i++)
2053	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2011	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2054	return i;	2012	return i;
2055		2013
2056	return -1;	2014	return -1;
2057	}	2015	}
2058		2016
…		…
2066	{	2024	{
2067	arr += begin;	2025	arr += begin;
2068	end -= begin;	2026	end -= begin;
2069		2027
2070	while (--end)	2028	while (--end)
2071	swap (arr [end], arr [RANDOM () % (end + 1)]);	2029	swap (arr [end], arr [rndm (end + 1)]);
2072	}	2030	}
2073		2031
2074	/* new function to make monster searching more efficient, and effective!	2032	/* new function to make monster searching more efficient, and effective!
2075	* This basically returns a randomized array (in the passed pointer) of	2033	* This basically returns a randomized array (in the passed pointer) of
2076	* the spaces to find monsters. In this way, it won't always look for	2034	* the spaces to find monsters. In this way, it won't always look for
…		…
2104	* there is capable of.	2062	* there is capable of.
2105	*/	2063	*/
2106	int	2064	int
2107	find_dir (maptile *m, int x, int y, object *exclude)	2065	find_dir (maptile *m, int x, int y, object *exclude)
2108	{	2066	{
2109	int i, max = SIZEOFFREE, mflags;	2067	int max = SIZEOFFREE, mflags;
2110
2111	sint16 nx, ny;
2112	object *tmp;
2113	maptile *mp;
2114
2115	MoveType blocked, move_type;	2068	MoveType move_type;
2116		2069
2117	if (exclude && exclude->head)	2070	if (exclude && exclude->head_ () != exclude)
2118	{	2071	{
2119	exclude = exclude->head;	2072	exclude = exclude->head;
2120	move_type = exclude->move_type;	2073	move_type = exclude->move_type;
2121	}	2074	}
2122	else	2075	else
2123	{	2076	{
2124	/* If we don't have anything, presume it can use all movement types. */	2077	/* If we don't have anything, presume it can use all movement types. */
2125	move_type = MOVE_ALL;	2078	move_type = MOVE_ALL;
2126	}	2079	}
2127		2080
2128	for (i = 1; i < max; i++)	2081	for (int i = 1; i < max; i++)
2129	{	2082	{
2130	mp = m;	2083	mapxy pos (m, x, y);
2131	nx = x + freearr_x[i];	2084	pos.move (i);
2132	ny = y + freearr_y[i];
2133		2085
2134	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2086	if (!pos.normalise ())
2135
2136	if (mflags & P_OUT_OF_MAP)
2137	max = maxfree[i];	2087	max = maxfree[i];
2138	else	2088	else
2139	{	2089	{
2140	mapspace &ms = mp->at (nx, ny);	2090	mapspace &ms = *pos;
2141		2091
2142	blocked = ms.move_block;
2143
2144	if ((move_type & blocked) == move_type)	2092	if ((move_type & ms.move_block) == move_type)
2145	max = maxfree[i];	2093	max = maxfree [i];
2146	else if (mflags & P_IS_ALIVE)	2094	else if (ms.flags () & P_IS_ALIVE)
2147	{	2095	{
2148	for (tmp = ms.bottom; tmp; tmp = tmp->above)	2096	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2149	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2097	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2150	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2098	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2151	break;
2152
2153	if (tmp)
2154	return freedir[i];	2099	return freedir [i];
2155	}	2100	}
2156	}	2101	}
2157	}	2102	}
2158		2103
2159	return 0;	2104	return 0;
…		…
2210		2155
2211	return 3;	2156	return 3;
2212	}	2157	}
2213		2158
2214	/*	2159	/*
2215	* absdir(int): Returns a number between 1 and 8, which represent
2216	* the "absolute" direction of a number (it actually takes care of
2217	* "overflow" in previous calculations of a direction).
2218	*/
2219
2220	int
2221	absdir (int d)
2222	{
2223	while (d < 1)
2224	d += 8;
2225
2226	while (d > 8)
2227	d -= 8;
2228
2229	return d;
2230	}
2231
2232	/*
2233	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2160	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2234	* between two directions (which are expected to be absolute (see absdir())	2161	* between two directions (which are expected to be absolute (see absdir())
2235	*/	2162	*/
2236
2237	int	2163	int
2238	dirdiff (int dir1, int dir2)	2164	dirdiff (int dir1, int dir2)
2239	{	2165	{
2240	int d;	2166	int d;
2241		2167
…		…
2253	* This basically means that if direction is 15, then it could either go	2179	* This basically means that if direction is 15, then it could either go
2254	* direction 4, 14, or 16 to get back to where we are.	2180	* direction 4, 14, or 16 to get back to where we are.
2255	* Moved from spell_util.c to object.c with the other related direction	2181	* Moved from spell_util.c to object.c with the other related direction
2256	* functions.	2182	* functions.
2257	*/	2183	*/
2258	int reduction_dir[SIZEOFFREE][3] = {	2184	const int reduction_dir[SIZEOFFREE][3] = {
2259	{0, 0, 0}, /* 0 */	2185	{0, 0, 0}, /* 0 */
2260	{0, 0, 0}, /* 1 */	2186	{0, 0, 0}, /* 1 */
2261	{0, 0, 0}, /* 2 */	2187	{0, 0, 0}, /* 2 */
2262	{0, 0, 0}, /* 3 */	2188	{0, 0, 0}, /* 3 */
2263	{0, 0, 0}, /* 4 */	2189	{0, 0, 0}, /* 4 */
…		…
2354	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2280	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2355	* core dumps if they do.	2281	* core dumps if they do.
2356	*	2282	*
2357	* Add a check so we can't pick up invisible objects (0.93.8)	2283	* Add a check so we can't pick up invisible objects (0.93.8)
2358	*/	2284	*/
2359
2360	int	2285	int
2361	can_pick (const object *who, const object *item)	2286	can_pick (const object *who, const object *item)
2362	{	2287	{
2363	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2288	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2364	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2289	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2365	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2290	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2366	}	2291	}
2367		2292
2368	/*	2293	/*
2369	* create clone from object to another	2294	* create clone from object to another
2370	*/	2295	*/
2371	object *	2296	object *
2372	object_create_clone (object *asrc)	2297	object::deep_clone ()
2373	{	2298	{
2374	object *dst = 0, *tmp, *src, *part, *prev, *item;	2299	assert (("deep_clone called on non-head object", is_head ()));
2375		2300
2376	if (!asrc)	2301	object *dst = clone ();
2377	return 0;
2378		2302
2379	src = asrc;	2303	object *prev = dst;
2380	if (src->head)
2381	src = src->head;
2382
2383	prev = 0;
2384	for (part = src; part; part = part->more)	2304	for (object *part = this->more; part; part = part->more)
2385	{	2305	{
2386	tmp = part->clone ();	2306	object *tmp = part->clone ();
2387	tmp->x -= src->x;
2388	tmp->y -= src->y;
2389
2390	if (!part->head)
2391	{
2392	dst = tmp;
2393	tmp->head = 0;
2394	}
2395	else
2396	tmp->head = dst;	2307	tmp->head = dst;
2397
2398	tmp->more = 0;
2399
2400	if (prev)
2401	prev->more = tmp;	2308	prev->more = tmp;
2402
2403	prev = tmp;	2309	prev = tmp;
2404	}	2310	}
2405		2311
2406	for (item = src->inv; item; item = item->below)	2312	for (object *item = inv; item; item = item->below)
2407	insert_ob_in_ob (object_create_clone (item), dst);	2313	insert_ob_in_ob (item->deep_clone (), dst);
2408		2314
2409	return dst;	2315	return dst;
2410	}
2411
2412	/* GROS - Creates an object using a string representing its content. */
2413	/* Basically, we save the content of the string to a temp file, then call */
2414	/* load_object on it. I admit it is a highly inefficient way to make things, */
2415	/* but it was simple to make and allows reusing the load_object function. */
2416	/* Remember not to use load_object_str in a time-critical situation. */
2417	/* Also remember that multiparts objects are not supported for now. */
2418	object *
2419	load_object_str (const char *obstr)
2420	{
2421	object *op;
2422	char filename[MAX_BUF];
2423
2424	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2425
2426	FILE *tempfile = fopen (filename, "w");
2427
2428	if (tempfile == NULL)
2429	{
2430	LOG (llevError, "Error - Unable to access load object temp file\n");
2431	return NULL;
2432	}
2433
2434	fprintf (tempfile, obstr);
2435	fclose (tempfile);
2436
2437	op = object::create ();
2438
2439	object_thawer thawer (filename);
2440
2441	if (thawer)
2442	load_object (thawer, op, 0);
2443
2444	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2445	CLEAR_FLAG (op, FLAG_REMOVED);
2446
2447	return op;
2448	}	2316	}
2449		2317
2450	/* This returns the first object in who's inventory that	2318	/* This returns the first object in who's inventory that
2451	* has the same type and subtype match.	2319	* has the same type and subtype match.
2452	* returns NULL if no match.	2320	* returns NULL if no match.
…		…
2459	return tmp;	2327	return tmp;
2460		2328
2461	return 0;	2329	return 0;
2462	}	2330	}
2463		2331
2464	/* If ob has a field named key, return the link from the list,	2332	shstr_tmp
2465	* otherwise return NULL.	2333	object::kv_get (shstr_tmp key) const
2466	*
2467	* key must be a passed in shared string - otherwise, this won't
2468	* do the desired thing.
2469	*/
2470	key_value *
2471	get_ob_key_link (const object *ob, const char *key)
2472	{	2334	{
2473	for (key_value *link = ob->key_values; link; link = link->next)	2335	for (key_value *kv = key_values; kv; kv = kv->next)
2474	if (link->key == key)	2336	if (kv->key == key)
2475	return link;
2476
2477	return 0;
2478	}
2479
2480	/*
2481	* Returns the value of op has an extra_field for key, or NULL.
2482	*
2483	* The argument doesn't need to be a shared string.
2484	*
2485	* The returned string is shared.
2486	*/
2487	const char *
2488	get_ob_key_value (const object *op, const char *const key)
2489	{
2490	key_value *link;
2491	shstr_cmp canonical_key (key);
2492
2493	if (!canonical_key)
2494	{
2495	/* 1. There being a field named key on any object
2496	* implies there'd be a shared string to find.
2497	* 2. Since there isn't, no object has this field.
2498	* 3. Therefore, *this* object doesn't have this field.
2499	*/
2500	return 0;
2501	}
2502
2503	/* This is copied from get_ob_key_link() above -
2504	* only 4 lines, and saves the function call overhead.
2505	*/
2506	for (link = op->key_values; link; link = link->next)
2507	if (link->key == canonical_key)
2508	return link->value;	2337	return kv->value;
2509		2338
2510	return 0;	2339	return shstr ();
2511	}	2340	}
2512		2341
2513		2342	void
2514	/*	2343	object::kv_set (shstr_tmp key, shstr_tmp value)
2515	* Updates the canonical_key in op to value.
2516	*
2517	* canonical_key is a shared string (value doesn't have to be).
2518	*
2519	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2520	* keys.
2521	*
2522	* Returns TRUE on success.
2523	*/
2524	int
2525	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2526	{	2344	{
2527	key_value *field = NULL, *last = NULL;	2345	for (key_value *kv = key_values; kv; kv = kv->next)
2528		2346	if (kv->key == key)
2529	for (field = op->key_values; field != NULL; field = field->next)
2530	{
2531	if (field->key != canonical_key)
2532	{	2347	{
2533	last = field;	2348	kv->value = value;
2534	continue;	2349	return;
2535	}	2350	}
2536		2351
2537	if (value)	2352	key_value *kv = new key_value;
2538	field->value = value;	2353
2539	else	2354	kv->next = key_values;
		2355	kv->key = key;
		2356	kv->value = value;
		2357
		2358	key_values = kv;
		2359	}
		2360
		2361	void
		2362	object::kv_del (shstr_tmp key)
		2363	{
		2364	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2365	if ((*kvp)->key == key)
2540	{	2366	{
2541	/* Basically, if the archetype has this key set,	2367	key_value *kv = *kvp;
2542	* we need to store the null value so when we save	2368	*kvp = (*kvp)->next;
2543	* it, we save the empty value so that when we load,	2369	delete kv;
2544	* we get this value back again.	2370	return;
2545	*/
2546	if (get_ob_key_link (&op->arch->clone, canonical_key))
2547	field->value = 0;
2548	else
2549	{
2550	if (last)
2551	last->next = field->next;
2552	else
2553	op->key_values = field->next;
2554
2555	delete field;
2556	}
2557	}	2371	}
2558	return TRUE;
2559	}
2560	/* IF we get here, key doesn't exist */
2561
2562	/* No field, we'll have to add it. */
2563
2564	if (!add_key)
2565	return FALSE;
2566
2567	/* There isn't any good reason to store a null
2568	* value in the key/value list. If the archetype has
2569	* this key, then we should also have it, so shouldn't
2570	* be here. If user wants to store empty strings,
2571	* should pass in ""
2572	*/
2573	if (value == NULL)
2574	return TRUE;
2575
2576	field = new key_value;
2577
2578	field->key = canonical_key;
2579	field->value = value;
2580	/* Usual prepend-addition. */
2581	field->next = op->key_values;
2582	op->key_values = field;
2583
2584	return TRUE;
2585	}
2586
2587	/*
2588	* Updates the key in op to value.
2589	*
2590	* If add_key is FALSE, this will only update existing keys,
2591	* and not add new ones.
2592	* In general, should be little reason FALSE is ever passed in for add_key
2593	*
2594	* Returns TRUE on success.
2595	*/
2596	int
2597	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2598	{
2599	shstr key_ (key);
2600
2601	return set_ob_key_value_s (op, key_, value, add_key);
2602	}	2372	}
2603		2373
2604	object::depth_iterator::depth_iterator (object *container)	2374	object::depth_iterator::depth_iterator (object *container)
2605	: iterator_base (container)	2375	: iterator_base (container)
2606	{	2376	{
…		…
2620	}	2390	}
2621	else	2391	else
2622	item = item->env;	2392	item = item->env;
2623	}	2393	}
2624		2394
		2395	const char *
		2396	object::flag_desc (char *desc, int len) const
		2397	{
		2398	char *p = desc;
		2399	bool first = true;
		2400
		2401	*p = 0;
		2402
		2403	for (int i = 0; i < NUM_FLAGS; i++)
		2404	{
		2405	if (len <= 10) // magic constant!
		2406	{
		2407	snprintf (p, len, ",...");
		2408	break;
		2409	}
		2410
		2411	if (flag [i])
		2412	{
		2413	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2414	len -= cnt;
		2415	p += cnt;
		2416	first = false;
		2417	}
		2418	}
		2419
		2420	return desc;
		2421	}
		2422
2625	// return a suitable string describing an objetc in enough detail to find it	2423	// return a suitable string describing an object in enough detail to find it
2626	const char *	2424	const char *
2627	object::debug_desc (char *info) const	2425	object::debug_desc (char *info) const
2628	{	2426	{
		2427	char flagdesc[512];
2629	char info2[256 * 3];	2428	char info2[256 * 4];
2630	char *p = info;	2429	char *p = info;
2631		2430
2632	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2431	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2633	count,	2432	count,
		2433	uuid.c_str (),
2634	&name,	2434	&name,
2635	title ? " " : "",	2435	title ? ",title:\"" : "",
2636	title ? (const char *)title : "");	2436	title ? (const char *)title : "",
		2437	title ? "\"" : "",
		2438	flag_desc (flagdesc, 512), type);
2637		2439
2638	if (env)	2440	if (!flag[FLAG_REMOVED] && env)
2639	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2441	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2640		2442
2641	if (map)	2443	if (map)
2642	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2444	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2643		2445
2644	return info;	2446	return info;
2645	}	2447	}
2646		2448
2647	const char *	2449	const char *
2648	object::debug_desc () const	2450	object::debug_desc () const
2649	{	2451	{
2650	static char info[256 * 3];	2452	static char info[3][256 * 4];
		2453	static int info_idx;
		2454
2651	return debug_desc (info);	2455	return debug_desc (info [++info_idx % 3]);
2652	}	2456	}
2653		2457
		2458	struct region *
		2459	object::region () const
		2460	{
		2461	return map ? map->region (x, y)
		2462	: region::default_region ();
		2463	}
		2464
		2465	const materialtype_t *
		2466	object::dominant_material () const
		2467	{
		2468	if (materialtype_t *mt = name_to_material (materialname))
		2469	return mt;
		2470
		2471	return name_to_material (shstr_unknown);
		2472	}
		2473
		2474	void
		2475	object::open_container (object *new_container)
		2476	{
		2477	if (container == new_container)
		2478	return;
		2479
		2480	object *old_container = container;
		2481
		2482	if (old_container)
		2483	{
		2484	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2485	return;
		2486
		2487	#if 0
		2488	// remove the "Close old_container" object.
		2489	if (object *closer = old_container->inv)
		2490	if (closer->type == CLOSE_CON)
		2491	closer->destroy ();
		2492	#endif
		2493
		2494	// make sure the container is available
		2495	esrv_send_item (this, old_container);
		2496
		2497	old_container->flag [FLAG_APPLIED] = false;
		2498	container = 0;
		2499
		2500	// client needs item update to make it work, client bug requires this to be separate
		2501	esrv_update_item (UPD_FLAGS, this, old_container);
		2502
		2503	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2504	play_sound (sound_find ("chest_close"));
		2505	}
		2506
		2507	if (new_container)
		2508	{
		2509	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2510	return;
		2511
		2512	// TODO: this does not seem to serve any purpose anymore?
		2513	#if 0
		2514	// insert the "Close Container" object.
		2515	if (archetype *closer = new_container->other_arch)
		2516	{
		2517	object *closer = arch_to_object (new_container->other_arch);
		2518	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2519	new_container->insert (closer);
		2520	}
		2521	#endif
		2522
		2523	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2524
		2525	// make sure the container is available, client bug requires this to be separate
		2526	esrv_send_item (this, new_container);
		2527
		2528	new_container->flag [FLAG_APPLIED] = true;
		2529	container = new_container;
		2530
		2531	// client needs flag change
		2532	esrv_update_item (UPD_FLAGS, this, new_container);
		2533	esrv_send_inventory (this, new_container);
		2534	play_sound (sound_find ("chest_open"));
		2535	}
		2536	// else if (!old_container->env && contr && contr->ns)
		2537	// contr->ns->floorbox_reset ();
		2538	}
		2539
		2540	object *
		2541	object::force_find (shstr_tmp name)
		2542	{
		2543	/* cycle through his inventory to look for the MARK we want to
		2544	* place
		2545	*/
		2546	for (object *tmp = inv; tmp; tmp = tmp->below)
		2547	if (tmp->type == FORCE && tmp->slaying == name)
		2548	return splay (tmp);
		2549
		2550	return 0;
		2551	}
		2552
		2553	void
		2554	object::force_set_timer (int duration)
		2555	{
		2556	this->duration = 1;
		2557	this->speed_left = -1.f;
		2558
		2559	this->set_speed (duration ? 1.f / duration : 0.f);
		2560	}
		2561
		2562	object *
		2563	object::force_add (shstr_tmp name, int duration)
		2564	{
		2565	if (object *force = force_find (name))
		2566	force->destroy ();
		2567
		2568	object *force = get_archetype (FORCE_NAME);
		2569
		2570	force->slaying = name;
		2571
		2572	force->force_set_timer (duration);
		2573
		2574	force->flag [FLAG_APPLIED] = true;
		2575
		2576	return insert (force);
		2577	}
		2578
		2579	void
		2580	object::play_sound (faceidx sound) const
		2581	{
		2582	if (!sound)
		2583	return;
		2584
		2585	if (is_on_map ())
		2586	map->play_sound (sound, x, y);
		2587	else if (object *pl = in_player ())
		2588	pl->contr->play_sound (sound);
		2589	}
		2590
		2591	void
		2592	object::say_msg (const char *msg) const
		2593	{
		2594	if (is_on_map ())
		2595	map->say_msg (msg, x, y);
		2596	else if (object *pl = in_player ())
		2597	pl->contr->play_sound (sound);
		2598	}
		2599
		2600	void
		2601	object::make_noise ()
		2602	{
		2603	// we do not model noise in the map, so instead put
		2604	// a temporary light into the noise source
		2605	// could use the map instead, but that's less reliable for our
		2606	// goal, which is to make invisibility a bit harder to exploit
		2607
		2608	// currently only works sensibly for players
		2609	if (!is_player ())
		2610	return;
		2611
		2612	// find old force, or create new one
		2613	object *force = force_find (shstr_noise_force);
		2614
		2615	if (force)
		2616	force->speed_left = -1.f; // patch old speed up
		2617	else
		2618	{
		2619	force = archetype::get (shstr_noise_force);
		2620
		2621	force->slaying = shstr_noise_force;
		2622	force->stats.food = 1;
		2623	force->speed_left = -1.f;
		2624
		2625	force->set_speed (1.f / 4.f);
		2626	force->flag [FLAG_IS_USED_UP] = true;
		2627	force->flag [FLAG_APPLIED] = true;
		2628
		2629	insert (force);
		2630	}
		2631	}
		2632

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