ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/common/object.C

Comparing deliantra/server/common/object.C (file contents):
Revision 1.58 by pippijn, Mon Dec 4 17:48:35 2006 UTC vs.
Revision 1.216 by root, Tue Apr 22 23:50:23 2008 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	24	#include <global.h>
28	#include <stdio.h>	25	#include <stdio.h>
29	#include <sys/types.h>	26	#include <sys/types.h>
30	#include <sys/uio.h>	27	#include <sys/uio.h>
31	#include <object.h>	28	#include <object.h>
32	#include <funcpoint.h>	29	#include <sproto.h>
33	#include <loader.h>	30	#include <loader.h>
34		31
35	int nrofallocobjects = 0;	32	#include <bitset>
36	static UUID uuid;	33
		34	UUID UUID::cur;
		35	static uint64_t seq_next_save;
37	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
38		37
39	object *active_objects; /* List of active objects that need to be processed */	38	objectvec objects;
		39	activevec actives;
40		40
41	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	41	short freearr_x[SIZEOFFREE] = {
		42	0,
		43	0, 1, 1, 1, 0, -1, -1, -1,
		44	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
42	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	45	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
43	};	46	};
44	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	47	short freearr_y[SIZEOFFREE] = {
		48	0,
		49	-1, -1, 0, 1, 1, 1, 0, -1,
		50	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
45	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	51	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
46	};	52	};
47	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,	53	int maxfree[SIZEOFFREE] = {
		54	0,
		55	9, 10, 13, 14, 17, 18, 21, 22,
		56	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
48	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49	57	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
49	};	58	};
50	int freedir[SIZEOFFREE] = {	59	int freedir[SIZEOFFREE] = {
51	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	60	0,
		61	1, 2, 3, 4, 5, 6, 7, 8,
		62	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
52	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	63	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
53	};	64	};
54		65
55	static void	66	static void
56	write_uuid (void)	67	write_uuid (uval64 skip, bool sync)
57	{	68	{
58	char filename1[MAX_BUF], filename2[MAX_BUF];	69	CALL_BEGIN (2);
59		70	CALL_ARG_SV (newSVval64 (skip));
60	sprintf (filename1, "%s/uuid", settings.localdir);	71	CALL_ARG_SV (boolSV (sync));
61	sprintf (filename2, "%s/uuid~", settings.localdir);	72	CALL_CALL ("cf::write_uuid", G_DISCARD);
62		73	CALL_END;
63	FILE *fp;
64
65	if (!(fp = fopen (filename2, "w")))
66	{
67	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
68	return;
69	}
70
71	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
72	fclose (fp);
73	rename (filename2, filename1);
74	}	74	}
75		75
76	static void	76	static void
77	read_uuid (void)	77	read_uuid (void)
78	{	78	{
79	char filename[MAX_BUF];	79	char filename[MAX_BUF];
80		80
81	sprintf (filename, "%s/uuid", settings.localdir);	81	sprintf (filename, "%s/uuid", settings.localdir);
		82
		83	seq_next_save = 0;
82		84
83	FILE *fp;	85	FILE *fp;
84		86
85	if (!(fp = fopen (filename, "r")))	87	if (!(fp = fopen (filename, "r")))
86	{	88	{
87	if (errno == ENOENT)	89	if (errno == ENOENT)
88	{	90	{
89	LOG (llevInfo, "RESET uid to 1\n");	91	LOG (llevInfo, "RESET uid to 1\n");
90	uuid.seq = 0;	92	UUID::cur.seq = 0;
91	write_uuid ();	93	write_uuid (UUID_GAP, true);
92	return;	94	return;
93	}	95	}
94		96
95	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
96	_exit (1);	98	_exit (1);
97	}	99	}
98		100
99	int version;	101	UUID::BUF buf;
100	unsigned long long uid;	102	buf[0] = 0;
101	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	103	fgets (buf, sizeof (buf), fp);
		104
		105	if (!UUID::cur.parse (buf))
102	{	106	{
103	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	107	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
104	_exit (1);	108	_exit (1);
105	}	109	}
106		110
107	uuid.seq = uid;
108	write_uuid ();
109	LOG (llevDebug, "read UID: %lld\n", uid);	111	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
		112
		113	write_uuid (UUID_GAP, true);
110	fclose (fp);	114	fclose (fp);
111	}	115	}
112		116
113	UUID	117	UUID
114	gen_uuid ()	118	UUID::gen ()
115	{	119	{
116	UUID uid;	120	UUID uid;
117		121
118	uid.seq = ++uuid.seq;	122	uid.seq = ++cur.seq;
119		123
120	if (!(uuid.seq & (UUID_SKIP - 1)))	124	if (expect_false (cur.seq >= seq_next_save))
121	write_uuid ();	125	{
		126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		127	write_uuid (UUID_GAP, false);
		128	}
		129
122		130
123	return uid;	131	return uid;
124	}	132	}
125		133
126	void	134	void
127	init_uuid ()	135	UUID::init ()
128	{	136	{
129	read_uuid ();	137	read_uuid ();
130	}	138	}
131		139
132	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	140	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
133	static int	141	static bool
134	compare_ob_value_lists_one (const object *wants, const object *has)	142	compare_ob_value_lists_one (const object *wants, const object *has)
135	{	143	{
136	key_value *wants_field;	144	key_value *wants_field;
137		145
138	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	146	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both
139	* 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
140	* different structure or at least keep the lists sorted...	148	* different structure or at least keep the lists sorted...
141	*/	149	*/
142		150
143	/* For each field in wants, */	151	/* For each field in wants, */
144	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	152	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
145	{	153	{
146	key_value *has_field;	154	key_value *has_field;
147		155
148	/* Look for a field in has with the same key. */	156	/* Look for a field in has with the same key. */
149	has_field = get_ob_key_link (has, wants_field->key);	157	has_field = get_ob_key_link (has, wants_field->key);
150		158
151	if (has_field == NULL)	159	if (!has_field)
152	{
153	/* No field with that name. */	160	return 0; /* No field with that name. */
154	return FALSE;
155	}
156		161
157	/* Found the matching field. */	162	/* Found the matching field. */
158	if (has_field->value != wants_field->value)	163	if (has_field->value != wants_field->value)
159	{
160	/* Values don't match, so this half of the comparison is false. */	164	return 0; /* Values don't match, so this half of the comparison is false. */
161	return FALSE;
162	}
163		165
164	/* If we get here, we found a match. Now for the next field in wants. */	166	/* If we get here, we found a match. Now for the next field in wants. */
165	}	167	}
166		168
167	/* If we get here, every field in wants has a matching field in has. */	169	/* If we get here, every field in wants has a matching field in has. */
168	return TRUE;	170	return 1;
169	}	171	}
170		172
171	/* Returns TRUE if ob1 has the same key_values as ob2. */	173	/* Returns TRUE if ob1 has the same key_values as ob2. */
172	static int	174	static bool
173	compare_ob_value_lists (const object *ob1, const object *ob2)	175	compare_ob_value_lists (const object *ob1, const object *ob2)
174	{	176	{
175	/* However, there may be fields in has which aren't partnered in wants,	177	/* However, there may be fields in has which aren't partnered in wants,
176	* so we need to run the comparison *twice*. :(	178	* so we need to run the comparison *twice*. :(
177	*/	179	*/
…		…
183	*	185	*
184	* Note that this function appears a lot longer than the macro it	186	* Note that this function appears a lot longer than the macro it
185	* replaces - this is mostly for clarity - a decent compiler should hopefully	187	* replaces - this is mostly for clarity - a decent compiler should hopefully
186	* reduce this to the same efficiency.	188	* reduce this to the same efficiency.
187	*	189	*
188	* Check nrof variable *before* calling CAN_MERGE()	190	* Check nrof variable *before* calling can_merge()
189	*	191	*
190	* Improvements made with merge: Better checking on potion, and also	192	* Improvements made with merge: Better checking on potion, and also
191	* check weight	193	* check weight
192	*/	194	*/
193
194	bool object::can_merge (object *ob1, object *ob2)	195	bool object::can_merge_slow (object *ob1, object *ob2)
195	{	196	{
196	/* A couple quicksanity checks */	197	/* A couple quicksanity checks */
197	if ((ob1 == ob2) || (ob1->type != ob2->type))	198	if (ob1 == ob2
		199	|| ob1->type != ob2->type
		200	|| ob1->speed != ob2->speed
		201	|| ob1->value != ob2->value
		202	|| ob1->name != ob2->name)
198	return 0;	203	return 0;
199		204
200	if (ob1->speed != ob2->speed)	205	/* Do not merge objects if nrof would overflow. First part checks
		206	* for unsigned overflow (2c), second part checks whether the result
		207	* would fit into a 32 bit signed int, which is often used to hold
		208	* nrof values.
		209	*/
		210	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
201	return 0;	211	return 0;
202		212
203	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
204	* value could not be stored in a sint32 (which unfortunately sometimes is
205	* used to store nrof).
206	*/
207	if (ob1->nrof + ob2->nrof >= 1UL << 31)
208	return 0;
209
210	/* If the objects have been identified, set the BEEN_APPLIED flag.	213	/* If the objects have been identified, set the BEEN_APPLIED flag.
211	* This is to the comparison of the flags below will be OK. We	214	* This is to the comparison of the flags below will be OK. We
212	* just can't ignore the been applied or identified flags, as they	215	* just can't ignore the been applied or identified flags, as they
213	* are not equal - just if it has been identified, the been_applied	216	* are not equal - just if it has been identified, the been_applied
214	* flags lose any meaning.	217	* flags lose any meaning.
215	*/	218	*/
216	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
217	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
218		221
219	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
220	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
221		224
222		225	if (ob1->arch->name != ob2->arch->name
223	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something
224	* being locked in inventory should prevent merging.
225	* 0x4 in flags3 is CLIENT_SENT
226	*/
227	if ((ob1->arch != ob2->arch) ||
228	(ob1->flags[0] != ob2->flags[0]) ||
229	(ob1->flags[1] != ob2->flags[1]) ||
230	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
231	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
232	(ob1->name != ob2->name) ||	226	|| ob1->name != ob2->name
233	(ob1->title != ob2->title) ||	227	|| ob1->title != ob2->title
234	(ob1->msg != ob2->msg) ||	228	|| ob1->msg != ob2->msg
235	(ob1->weight != ob2->weight) ||	229	|| ob1->weight != ob2->weight
236	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||
237	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||
238	(ob1->attacktype != ob2->attacktype) ||	230	|| ob1->attacktype != ob2->attacktype
239	(ob1->magic != ob2->magic) ||	231	|| ob1->magic != ob2->magic
240	(ob1->slaying != ob2->slaying) ||	232	|| ob1->slaying != ob2->slaying
241	(ob1->skill != ob2->skill) ||	233	|| ob1->skill != ob2->skill
242	(ob1->value != ob2->value) ||	234	|| ob1->value != ob2->value
243	(ob1->animation_id != ob2->animation_id) ||	235	|| ob1->animation_id != ob2->animation_id
244	(ob1->client_type != ob2->client_type) ||	236	|| ob1->client_type != ob2->client_type
245	(ob1->materialname != ob2->materialname) ||	237	|| ob1->materialname != ob2->materialname
246	(ob1->lore != ob2->lore) ||	238	|| ob1->lore != ob2->lore
247	(ob1->subtype != ob2->subtype) ||	239	|| ob1->subtype != ob2->subtype
248	(ob1->move_type != ob2->move_type) ||	240	|| ob1->move_type != ob2->move_type
249	(ob1->move_block != ob2->move_block) ||	241	|| ob1->move_block != ob2->move_block
250	(ob1->move_allow != ob2->move_allow) ||	242	|| ob1->move_allow != ob2->move_allow
251	(ob1->move_on != ob2->move_on) ||	243	|| ob1->move_on != ob2->move_on
252	(ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty))	244	|| ob1->move_off != ob2->move_off
		245	|| ob1->move_slow != ob2->move_slow
		246	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		247	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		248	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
253	return 0;	249	return 0;
254		250
		251	if ((ob1->flag ^ ob2->flag)
		252	.reset (FLAG_INV_LOCKED)
		253	.reset (FLAG_CLIENT_SENT)
		254	.reset (FLAG_REMOVED)
		255	.any ())
		256	return 0;
		257
255	/* This is really a spellbook check - really, we should	258	/* This is really a spellbook check - we should in general
256	* check all objects in the inventory.	259	* not merge objects with real inventories, as splitting them
		260	* is hard.
257	*/	261	*/
258	if (ob1->inv || ob2->inv)	262	if (ob1->inv || ob2->inv)
259	{	263	{
260	/* if one object has inventory but the other doesn't, not equiv */
261	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
262	return 0;
263
264	/* Now check to see if the two inventory objects could merge */
265	if (!CAN_MERGE (ob1->inv, ob2->inv))	264	if (!(ob1->inv && ob2->inv))
266	return 0;	265	return 0; /* inventories differ in length */
		266
		267	if (ob1->inv->below || ob2->inv->below)
		268	return 0; /* more than one object in inv */
		269
		270	if (!object::can_merge (ob1->inv, ob2->inv))
		271	return 0; /* inventory objects differ */
267		272
268	/* inventory ok - still need to check rest of this object to see	273	/* inventory ok - still need to check rest of this object to see
269	* if it is valid.	274	* if it is valid.
270	*/	275	*/
271	}	276	}
…		…
279		284
280	/* Note sure why the following is the case - either the object has to	285	/* Note sure why the following is the case - either the object has to
281	* be animated or have a very low speed. Is this an attempted monster	286	* be animated or have a very low speed. Is this an attempted monster
282	* check?	287	* check?
283	*/	288	*/
284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	289	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
285	return 0;	290	return 0;
286		291
287	switch (ob1->type)	292	switch (ob1->type)
288	{	293	{
289	case SCROLL:	294	case SCROLL:
290	if (ob1->level != ob2->level)	295	if (ob1->level != ob2->level)
291	return 0;	296	return 0;
292	break;	297	break;
293	}	298	}
294		299
295	if (ob1->key_values != NULL || ob2->key_values != NULL)	300	if (ob1->key_values || ob2->key_values)
296	{	301	{
297	/* At least one of these has key_values. */	302	/* At least one of these has key_values. */
298	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	303	if ((!ob1->key_values) != (!ob2->key_values))
299	/* One has fields, but the other one doesn't. */	304	return 0; /* One has fields, but the other one doesn't. */
		305
		306	if (!compare_ob_value_lists (ob1, ob2))
300	return 0;	307	return 0;
301	else if (!compare_ob_value_lists (ob1, ob2))
302	return 0;
303	}	308	}
304		309
305	//TODO: generate an event or call into perl for additional checks
306	if (ob1->self || ob2->self)	310	if (ob1->self || ob2->self)
307	{	311	{
308	ob1->optimise ();	312	ob1->optimise ();
309	ob2->optimise ();	313	ob2->optimise ();
310		314
311	if (ob1->self || ob2->self)	315	if (ob1->self || ob2->self)
		316	{
		317	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		318	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		319
		320	if (k1 != k2)
312	return 0;	321	return 0;
		322
		323	if (k1 == 0)
		324	return 1;
		325
		326	if (!cfperl_can_merge (ob1, ob2))
		327	return 0;
		328	}
313	}	329	}
314		330
315	/* Everything passes, must be OK. */	331	/* Everything passes, must be OK. */
316	return 1;	332	return 1;
317	}	333	}
318		334
		335	// find player who can see this object
		336	object *
		337	object::visible_to () const
		338	{
		339	if (!flag [FLAG_REMOVED])
		340	{
		341	// see if we are in a container of sorts
		342	if (env)
		343	{
		344	// the player inventory itself is always visible
		345	if (env->type == PLAYER)
		346	return env;
		347
		348	// else a player could have our env open
		349	object *envest = env->outer_env ();
		350
		351	// the player itself is always on a map, so we will find him here
		352	// even if our inv is in a player.
		353	if (envest->is_on_map ())
		354	if (object *pl = envest->ms ().player ())
		355	if (pl->container == env)
		356	return pl;
		357	}
		358	else
		359	{
		360	// maybe there is a player standing on the same mapspace
		361	// this will catch the case where "this" is a player
		362	if (object *pl = ms ().player ())
		363	return pl;
		364	}
		365	}
		366
		367	return 0;
		368	}
		369
		370	// adjust weight per container type ("of holding")
		371	static sint32
		372	weight_adjust (object *op, sint32 weight)
		373	{
		374	return op->type == CONTAINER
		375	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		376	: weight;
		377	}
		378
319	/*	379	/*
		380	* adjust_weight(object, weight) adds the specified weight to an object,
		381	* and also updates how much the environment(s) is/are carrying.
		382	*/
		383	static void
		384	adjust_weight (object *op, sint32 weight)
		385	{
		386	while (op)
		387	{
		388	weight = weight_adjust (op, weight);
		389
		390	if (!weight)
		391	return;
		392
		393	op->carrying += weight;
		394
		395	if (object *pl = op->visible_to ())
		396	if (pl != op) // player is handled lazily
		397	esrv_update_item (UPD_WEIGHT, pl, op);
		398
		399	op = op->env;
		400	}
		401	}
		402
		403	/*
320	* sum_weight() is a recursive function which calculates the weight	404	* this is a recursive function which calculates the weight
321	* an object is carrying. It goes through in figures out how much	405	* an object is carrying. It goes through op and figures out how much
322	* containers are carrying, and sums it up.	406	* containers are carrying, and sums it up.
323	*/	407	*/
324	long	408	void
325	sum_weight (object *op)	409	object::update_weight ()
326	{	410	{
327	long sum;	411	sint32 sum = 0;
328	object *inv;
329		412
330	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	413	for (object *op = inv; op; op = op->below)
331	{	414	{
332	if (inv->inv)	415	if (op->inv)
333	sum_weight (inv);	416	op->update_weight ();
334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	417
		418	sum += op->total_weight ();
		419	}
		420
		421	sum = weight_adjust (this, sum);
		422
		423	if (sum != carrying)
335	}	424	{
336
337	if (op->type == CONTAINER && op->stats.Str)
338	sum = (sum * (100 - op->stats.Str)) / 100;
339
340	if (op->carrying != sum)
341	op->carrying = sum;	425	carrying = sum;
342		426
343	return sum;	427	if (object *pl = visible_to ())
		428	if (pl != this) // player is handled lazily
		429	esrv_update_item (UPD_WEIGHT, pl, this);
		430	}
344	}	431	}
345		432
346	/**	433	/*
347	* Return the outermost environment object for a given object.	434	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
348	*/	435	*/
349
350	object *
351	object_get_env_recursive (object *op)
352	{
353	while (op->env != NULL)
354	op = op->env;
355	return op;
356	}
357
358	/*
359	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
360	* a better check. We basically keeping traversing up until we can't
361	* or find a player.
362	*/
363
364	object *
365	is_player_inv (object *op)
366	{
367	for (; op != NULL && op->type != PLAYER; op = op->env)
368	if (op->env == op)
369	op->env = NULL;
370	return op;
371	}
372
373	/*
374	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
375	* Some error messages.
376	* The result of the dump is stored in the static global errmsg array.
377	*/
378
379	char *	436	char *
380	dump_object (object *op)	437	dump_object (object *op)
381	{	438	{
382	if (!op)	439	if (!op)
383	return strdup ("[NULLOBJ]");	440	return strdup ("[NULLOBJ]");
384		441
385	object_freezer freezer;	442	object_freezer freezer;
386	save_object (freezer, op, 3);	443	op->write (freezer);
387	return freezer.as_string ();	444	return freezer.as_string ();
388	}	445	}
389		446
390	/*	447	/*
391	* get_nearest_part(multi-object, object 2) returns the part of the	448	* get_nearest_part(multi-object, object 2) returns the part of the
392	* multi-object 1 which is closest to the second object.	449	* multi-object 1 which is closest to the second object.
393	* If it's not a multi-object, it is returned.	450	* If it's not a multi-object, it is returned.
394	*/	451	*/
395
396	object *	452	object *
397	get_nearest_part (object *op, const object *pl)	453	get_nearest_part (object *op, const object *pl)
398	{	454	{
399	object *tmp, *closest;	455	object *tmp, *closest;
400	int last_dist, i;	456	int last_dist, i;
401		457
402	if (op->more == NULL)	458	if (!op->more)
403	return op;	459	return op;
		460
404	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	461	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		462	tmp;
		463	tmp = tmp->more)
405	if ((i = distance (tmp, pl)) < last_dist)	464	if ((i = distance (tmp, pl)) < last_dist)
406	closest = tmp, last_dist = i;	465	closest = tmp, last_dist = i;
		466
407	return closest;	467	return closest;
408	}	468	}
409		469
410	/*	470	/*
411	* Returns the object which has the count-variable equal to the argument.	471	* Returns the object which has the count-variable equal to the argument.
		472	* VERRRY slow.
412	*/	473	*/
413
414	object *	474	object *
415	find_object (tag_t i)	475	find_object (tag_t i)
416	{	476	{
417	for (object *op = object::first; op; op = op->next)	477	for_all_objects (op)
418	if (op->count == i)	478	if (op->count == i)
419	return op;	479	return op;
420		480
421	return 0;	481	return 0;
422	}	482	}
423		483
424	/*	484	/*
425	* Returns the first object which has a name equal to the argument.	485	* Returns the first object which has a name equal to the argument.
426	* Used only by the patch command, but not all that useful.	486	* Used only by the patch command, but not all that useful.
427	* Enables features like "patch <name-of-other-player> food 999"	487	* Enables features like "patch <name-of-other-player> food 999"
428	*/	488	*/
429
430	object *	489	object *
431	find_object_name (const char *str)	490	find_object_name (const char *str)
432	{	491	{
433	shstr_cmp str_ (str);	492	shstr_cmp str_ (str);
434	object *op;	493	object *op;
435		494
436	for (op = object::first; op != NULL; op = op->next)	495	for_all_objects (op)
437	if (op->name == str_)	496	if (op->name == str_)
438	break;	497	break;
439		498
440	return op;	499	return op;
441	}	500	}
442		501
443	void
444	free_all_object_data ()
445	{
446	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
447	}
448
449	/*	502	/*
450	* Sets the owner and sets the skill and exp pointers to owner's current	503	* Sets the owner and sets the skill and exp pointers to owner's current
451	* skill and experience objects.	504	* skill and experience objects.
		505	* ACTUALLY NO! investigate! TODO
452	*/	506	*/
453	void	507	void
454	object::set_owner (object *owner)	508	object::set_owner (object *owner)
455	{	509	{
		510	// allow objects which own objects
456	if (!owner)	511	if (owner)
457	return;
458
459	/* next line added to allow objects which own objects */
460	/* Add a check for ownercounts in here, as I got into an endless loop
461	* with the fireball owning a poison cloud which then owned the
462	* fireball. I believe that was caused by one of the objects getting
463	* freed and then another object replacing it. Since the ownercounts
464	* didn't match, this check is valid and I believe that cause is valid.
465	*/
466	while (owner->owner)	512	while (owner->owner)
467	owner = owner->owner;	513	owner = owner->owner;
		514
		515	if (flag [FLAG_FREED])
		516	{
		517	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		518	return;
		519	}
468		520
469	this->owner = owner;	521	this->owner = owner;
		522	}
		523
		524	int
		525	object::slottype () const
		526	{
		527	if (type == SKILL)
		528	{
		529	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		530	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		531	}
		532	else
		533	{
		534	if (slot [body_combat].info) return slot_combat;
		535	if (slot [body_range ].info) return slot_ranged;
		536	}
		537
		538	return slot_none;
		539	}
		540
		541	bool
		542	object::change_weapon (object *ob)
		543	{
		544	if (current_weapon == ob)
		545	return true;
		546
		547	if (chosen_skill)
		548	chosen_skill->flag [FLAG_APPLIED] = false;
		549
		550	current_weapon = ob;
		551	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		552
		553	if (chosen_skill)
		554	chosen_skill->flag [FLAG_APPLIED] = true;
		555
		556	update_stats ();
		557
		558	if (ob)
		559	{
		560	// now check wether any body locations became invalid, in which case
		561	// we cannot apply the weapon at the moment.
		562	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		563	if (slot[i].used < 0)
		564	{
		565	current_weapon = chosen_skill = 0;
		566	update_stats ();
		567
		568	new_draw_info_format (NDI_UNIQUE, 0, this,
		569	"You try to balance all your items at once, "
		570	"but the %s is just too much for your body. "
		571	"[You need to unapply some items first.]", &ob->name);
		572	return false;
		573	}
		574
		575	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		576	}
		577	else
		578	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		579
		580	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		581	{
		582	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		583	&name, ob->debug_desc ());
		584	return false;
		585	}
		586
		587	return true;
470	}	588	}
471		589
472	/* Zero the key_values on op, decrementing the shared-string	590	/* Zero the key_values on op, decrementing the shared-string
473	* refcounts and freeing the links.	591	* refcounts and freeing the links.
474	*/	592	*/
475	static void	593	static void
476	free_key_values (object *op)	594	free_key_values (object *op)
477	{	595	{
478	for (key_value *i = op->key_values; i != 0;)	596	for (key_value *i = op->key_values; i; )
479	{	597	{
480	key_value *next = i->next;	598	key_value *next = i->next;
481	delete i;	599	delete i;
482		600
483	i = next;	601	i = next;
484	}	602	}
485		603
486	op->key_values = 0;	604	op->key_values = 0;
487	}	605	}
488		606
489	void object::clear ()	607	object &
		608	object::operator =(const object &src)
490	{	609	{
491	attachable_base::clear ();	610	bool is_freed = flag [FLAG_FREED];
		611	bool is_removed = flag [FLAG_REMOVED];
492		612
493	free_key_values (this);	613	*(object_copy *)this = src;
494		614
495	owner = 0;	615	flag [FLAG_FREED] = is_freed;
496	name = 0;	616	flag [FLAG_REMOVED] = is_removed;
497	name_pl = 0;
498	title = 0;
499	race = 0;
500	slaying = 0;
501	skill = 0;
502	msg = 0;
503	lore = 0;
504	custom_name = 0;
505	materialname = 0;
506	contr = 0;
507	below = 0;
508	above = 0;
509	inv = 0;
510	container = 0;
511	env = 0;
512	more = 0;
513	head = 0;
514	map = 0;
515	active_next = 0;
516	active_prev = 0;
517
518	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
519
520	SET_FLAG (this, FLAG_REMOVED);
521
522	/* What is not cleared is next, prev, and count */
523
524	expmul = 1.0;
525	face = blank_face;
526
527	if (settings.casting_time)
528	casting_time = -1;
529	}
530
531	void object::clone (object *destination)
532	{
533	*(object_copy *)destination = *this;
534	*(object_pod *)destination = *this;
535
536	if (self || cb)
537	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
538	}
539
540	/*
541	* copy object first frees everything allocated by the second object,
542	* and then copies the contends of the first object into the second
543	* object, allocating what needs to be allocated. Basically, any
544	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
545	* if the first object is freed, the pointers in the new object
546	* will point at garbage.
547	*/
548	void
549	copy_object (object *op2, object *op)
550	{
551	bool is_freed = QUERY_FLAG (op, FLAG_FREED);
552	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
553
554	op2->clone (op);
555
556	if (is_freed)
557	SET_FLAG (op, FLAG_FREED);
558	if (is_removed)
559	SET_FLAG (op, FLAG_REMOVED);
560
561	if (op2->speed < 0)
562	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
563		617
564	/* Copy over key_values, if any. */	618	/* Copy over key_values, if any. */
565	if (op2->key_values)	619	if (src.key_values)
566	{	620	{
567	key_value *tail = 0;	621	key_value *tail = 0;
568	key_value *i;
569
570	op->key_values = 0;	622	key_values = 0;
571		623
572	for (i = op2->key_values; i; i = i->next)	624	for (key_value *i = src.key_values; i; i = i->next)
573	{	625	{
574	key_value *new_link = new key_value;	626	key_value *new_link = new key_value;
575		627
576	new_link->next = 0;	628	new_link->next = 0;
577	new_link->key = i->key;	629	new_link->key = i->key;
578	new_link->value = i->value;	630	new_link->value = i->value;
579		631
580	/* Try and be clever here, too. */	632	/* Try and be clever here, too. */
581	if (!op->key_values)	633	if (!key_values)
582	{	634	{
583	op->key_values = new_link;	635	key_values = new_link;
584	tail = new_link;	636	tail = new_link;
585	}	637	}
586	else	638	else
587	{	639	{
588	tail->next = new_link;	640	tail->next = new_link;
589	tail = new_link;	641	tail = new_link;
590	}	642	}
591	}	643	}
592	}	644	}
		645	}
593		646
594	update_ob_speed (op);	647	/*
		648	* copy_to first frees everything allocated by the dst object,
		649	* and then copies the contents of itself into the second
		650	* object, allocating what needs to be allocated. Basically, any
		651	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		652	* if the first object is freed, the pointers in the new object
		653	* will point at garbage.
		654	*/
		655	void
		656	object::copy_to (object *dst)
		657	{
		658	*dst = *this;
		659
		660	if (speed < 0)
		661	dst->speed_left -= rndm ();
		662
		663	dst->set_speed (dst->speed);
		664	}
		665
		666	void
		667	object::instantiate ()
		668	{
		669	if (!uuid.seq) // HACK
		670	uuid = UUID::gen ();
		671
		672	speed_left = -0.1f;
		673	/* copy the body_info to the body_used - this is only really
		674	* need for monsters, but doesn't hurt to do it for everything.
		675	* by doing so, when a monster is created, it has good starting
		676	* values for the body_used info, so when items are created
		677	* for it, they can be properly equipped.
		678	*/
		679	for (int i = NUM_BODY_LOCATIONS; i--; )
		680	slot[i].used = slot[i].info;
		681
		682	attachable::instantiate ();
		683	}
		684
		685	object *
		686	object::clone ()
		687	{
		688	object *neu = create ();
		689	copy_to (neu);
		690	return neu;
595	}	691	}
596		692
597	/*	693	/*
598	* If an object with the IS_TURNABLE() flag needs to be turned due	694	* If an object with the IS_TURNABLE() flag needs to be turned due
599	* to the closest player being on the other side, this function can	695	* to the closest player being on the other side, this function can
600	* be called to update the face variable, _and_ how it looks on the map.	696	* be called to update the face variable, _and_ how it looks on the map.
601	*/	697	*/
602
603	void	698	void
604	update_turn_face (object *op)	699	update_turn_face (object *op)
605	{	700	{
606	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	701	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
607	return;	702	return;
		703
608	SET_ANIMATION (op, op->direction);	704	SET_ANIMATION (op, op->direction);
609	update_object (op, UP_OBJ_FACE);	705	update_object (op, UP_OBJ_FACE);
610	}	706	}
611		707
612	/*	708	/*
613	* Updates the speed of an object. If the speed changes from 0 to another	709	* Updates the speed of an object. If the speed changes from 0 to another
614	* value, or vice versa, then add/remove the object from the active list.	710	* value, or vice versa, then add/remove the object from the active list.
615	* This function needs to be called whenever the speed of an object changes.	711	* This function needs to be called whenever the speed of an object changes.
616	*/	712	*/
617	void	713	void
618	update_ob_speed (object *op)	714	object::set_speed (float speed)
619	{	715	{
620	extern int arch_init;	716	if (flag [FLAG_FREED] && speed)
621
622	/* No reason putting the archetypes objects on the speed list,
623	* since they never really need to be updated.
624	*/
625
626	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
627	{	717	{
628	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	718	LOG (llevError, "Object %s is freed but has speed.\n", &name);
629	#ifdef MANY_CORES
630	abort ();
631	#else
632	op->speed = 0;	719	speed = 0;
633	#endif
634	}
635
636	if (arch_init)
637	return;
638
639	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
640	{	720	}
641	/* If already on active list, don't do anything */
642	if (op->active_next || op->active_prev || op == active_objects)
643	return;
644		721
645	/* process_events() expects us to insert the object at the beginning	722	this->speed = speed;
646	* of the list. */
647	op->active_next = active_objects;
648		723
649	if (op->active_next != NULL)	724	if (has_active_speed ())
650	op->active_next->active_prev = op;	725	activate ();
651
652	active_objects = op;
653	}
654	else	726	else
655	{	727	deactivate ();
656	/* If not on the active list, nothing needs to be done */
657	if (!op->active_next && !op->active_prev && op != active_objects)
658	return;
659
660	if (op->active_prev == NULL)
661	{
662	active_objects = op->active_next;
663
664	if (op->active_next != NULL)
665	op->active_next->active_prev = NULL;
666	}
667	else
668	{
669	op->active_prev->active_next = op->active_next;
670
671	if (op->active_next)
672	op->active_next->active_prev = op->active_prev;
673	}
674
675	op->active_next = NULL;
676	op->active_prev = NULL;
677	}
678	}	728	}
679		729
680	/* This function removes object 'op' from the list of active
681	* objects.
682	* This should only be used for style maps or other such
683	* reference maps where you don't want an object that isn't
684	* in play chewing up cpu time getting processed.
685	* The reverse of this is to call update_ob_speed, which
686	* will do the right thing based on the speed of the object.
687	*/
688	void
689	remove_from_active_list (object *op)
690	{
691	/* If not on the active list, nothing needs to be done */
692	if (!op->active_next && !op->active_prev && op != active_objects)
693	return;
694
695	if (op->active_prev == NULL)
696	{
697	active_objects = op->active_next;
698	if (op->active_next != NULL)
699	op->active_next->active_prev = NULL;
700	}
701	else
702	{
703	op->active_prev->active_next = op->active_next;
704	if (op->active_next)
705	op->active_next->active_prev = op->active_prev;
706	}
707	op->active_next = NULL;
708	op->active_prev = NULL;
709	}
710
711	/*	730	/*
712	* update_object() updates the array which represents the map.	731	* update_object() updates the the map.
713	* It takes into account invisible objects (and represent squares covered	732	* It takes into account invisible objects (and represent squares covered
714	* by invisible objects by whatever is below them (unless it's another	733	* by invisible objects by whatever is below them (unless it's another
715	* invisible object, etc...)	734	* invisible object, etc...)
716	* If the object being updated is beneath a player, the look-window	735	* If the object being updated is beneath a player, the look-window
717	* of that player is updated (this might be a suboptimal way of	736	* of that player is updated (this might be a suboptimal way of
718	* updating that window, though, since update_object() is called _often_)	737	* updating that window, though, since update_object() is called _often_)
719	*	738	*
720	* action is a hint of what the caller believes need to be done.	739	* action is a hint of what the caller believes need to be done.
721	* For example, if the only thing that has changed is the face (due to
722	* an animation), we don't need to call update_position until that actually
723	* comes into view of a player. OTOH, many other things, like addition/removal
724	* of walls or living creatures may need us to update the flags now.
725	* current action are:	740	* current action are:
726	* UP_OBJ_INSERT: op was inserted	741	* UP_OBJ_INSERT: op was inserted
727	* UP_OBJ_REMOVE: op was removed	742	* UP_OBJ_REMOVE: op was removed
728	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	743	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
729	* as that is easier than trying to look at what may have changed.	744	* as that is easier than trying to look at what may have changed.
730	* UP_OBJ_FACE: only the objects face has changed.	745	* UP_OBJ_FACE: only the objects face has changed.
731	*/	746	*/
732
733	void	747	void
734	update_object (object *op, int action)	748	update_object (object *op, int action)
735	{	749	{
736	int update_now = 0, flags;
737	MoveType move_on, move_off, move_block, move_slow;
738
739	if (op == NULL)	750	if (op == NULL)
740	{	751	{
741	/* this should never happen */	752	/* this should never happen */
742	LOG (llevDebug, "update_object() called for NULL object.\n");	753	LOG (llevDebug, "update_object() called for NULL object.\n");
743	return;	754	return;
744	}	755	}
745		756
746	if (op->env != NULL)	757	if (op->env)
747	{	758	{
748	/* Animation is currently handled by client, so nothing	759	/* Animation is currently handled by client, so nothing
749	* to do in this case.	760	* to do in this case.
750	*/	761	*/
751	return;	762	return;
…		…
756	*/	767	*/
757	if (!op->map || op->map->in_memory == MAP_SAVING)	768	if (!op->map || op->map->in_memory == MAP_SAVING)
758	return;	769	return;
759		770
760	/* make sure the object is within map boundaries */	771	/* make sure the object is within map boundaries */
761	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	772	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
762	{	773	{
763	LOG (llevError, "update_object() called for object out of map!\n");	774	LOG (llevError, "update_object() called for object out of map!\n");
764	#ifdef MANY_CORES	775	#ifdef MANY_CORES
765	abort ();	776	abort ();
766	#endif	777	#endif
767	return;	778	return;
768	}	779	}
769		780
770	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	781	mapspace &m = op->ms ();
771	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
772	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
773	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
774	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
775	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
776		782
		783	if (!(m.flags_ & P_UPTODATE))
		784	/* nop */;
777	if (action == UP_OBJ_INSERT)	785	else if (action == UP_OBJ_INSERT)
778	{	786	{
		787	// this is likely overkill, TODO: revisit (schmorp)
779	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	788	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
780	update_now = 1;
781
782	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	789	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
783	update_now = 1;	790	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
784		791	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		792	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
785	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	793	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
786	update_now = 1;
787
788	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
789	update_now = 1;
790
791	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
792	update_now = 1;
793
794	if ((move_on | op->move_on) != move_on)	794	|| (m.move_on | op->move_on ) != m.move_on
795	update_now = 1;
796
797	if ((move_off | op->move_off) != move_off)	795	|| (m.move_off | op->move_off ) != m.move_off
798	update_now = 1;	796	|| (m.move_slow | op->move_slow) != m.move_slow
799
800	/* This isn't perfect, but I don't expect a lot of objects to	797	/* This isn't perfect, but I don't expect a lot of objects to
801	* to have move_allow right now.	798	* to have move_allow right now.
802	*/	799	*/
803	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	800	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
804	update_now = 1;	801	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
805		802	m.flags_ = 0;
806	if ((move_slow | op->move_slow) != move_slow)
807	update_now = 1;
808	}	803	}
809	/* if the object is being removed, we can't make intelligent	804	/* if the object is being removed, we can't make intelligent
810	* decisions, because remove_ob can't really pass the object	805	* decisions, because remove_ob can't really pass the object
811	* that is being removed.	806	* that is being removed.
812	*/	807	*/
813	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	808	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
814	update_now = 1;	809	m.flags_ = 0;
815	else if (action == UP_OBJ_FACE)	810	else if (action == UP_OBJ_FACE)
816	/* Nothing to do for that case */ ;	811	/* Nothing to do for that case */ ;
817	else	812	else
818	LOG (llevError, "update_object called with invalid action: %d\n", action);	813	LOG (llevError, "update_object called with invalid action: %d\n", action);
819		814
820	if (update_now)
821	{
822	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
823	update_position (op->map, op->x, op->y);
824	}
825
826	if (op->more != NULL)	815	if (op->more)
827	update_object (op->more, action);	816	update_object (op->more, action);
828	}
829
830	object::vector object::mortals;
831	object::vector object::objects; // not yet used
832	object *object::first;
833
834	void object::free_mortals ()
835	{
836	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
837	if ((*i)->refcnt)
838	++i; // further delay freeing
839	else
840	{
841	delete *i;
842	mortals.erase (i);
843	}
844	}	817	}
845		818
846	object::object ()	819	object::object ()
847	{	820	{
848	SET_FLAG (this, FLAG_REMOVED);	821	SET_FLAG (this, FLAG_REMOVED);
…		…
851	face = blank_face;	824	face = blank_face;
852	}	825	}
853		826
854	object::~object ()	827	object::~object ()
855	{	828	{
		829	unlink ();
		830
856	free_key_values (this);	831	free_key_values (this);
857	}	832	}
858		833
		834	static int object_count;
		835
859	void object::link ()	836	void object::link ()
860	{	837	{
		838	assert (!index);//D
		839	uuid = UUID::gen ();
861	count = ++ob_count;	840	count = ++object_count;
862	uuid = gen_uuid ();
863		841
864	prev = 0;	842	refcnt_inc ();
865	next = object::first;	843	objects.insert (this);
866
867	if (object::first)
868	object::first->prev = this;
869
870	object::first = this;
871	}	844	}
872		845
873	void object::unlink ()	846	void object::unlink ()
874	{	847	{
875	if (this == object::first)	848	if (!index)
876	object::first = next;	849	return;
877		850
878	/* Remove this object from the list of used objects */	851	objects.erase (this);
879	if (prev) prev->next = next;	852	refcnt_dec ();
880	if (next) next->prev = prev;	853	}
881		854
882	prev = 0;	855	void
883	next = 0;	856	object::activate ()
		857	{
		858	/* If already on active list, don't do anything */
		859	if (active)
		860	return;
		861
		862	if (has_active_speed ())
		863	actives.insert (this);
		864	}
		865
		866	void
		867	object::activate_recursive ()
		868	{
		869	activate ();
		870
		871	for (object *op = inv; op; op = op->below)
		872	op->activate_recursive ();
		873	}
		874
		875	/* This function removes object 'op' from the list of active
		876	* objects.
		877	* This should only be used for style maps or other such
		878	* reference maps where you don't want an object that isn't
		879	* in play chewing up cpu time getting processed.
		880	* The reverse of this is to call update_ob_speed, which
		881	* will do the right thing based on the speed of the object.
		882	*/
		883	void
		884	object::deactivate ()
		885	{
		886	/* If not on the active list, nothing needs to be done */
		887	if (!active)
		888	return;
		889
		890	actives.erase (this);
		891	}
		892
		893	void
		894	object::deactivate_recursive ()
		895	{
		896	for (object *op = inv; op; op = op->below)
		897	op->deactivate_recursive ();
		898
		899	deactivate ();
		900	}
		901
		902	void
		903	object::set_flag_inv (int flag, int value)
		904	{
		905	for (object *op = inv; op; op = op->below)
		906	{
		907	op->flag [flag] = value;
		908	op->set_flag_inv (flag, value);
		909	}
		910	}
		911
		912	/*
		913	* Remove and free all objects in the inventory of the given object.
		914	* object.c ?
		915	*/
		916	void
		917	object::destroy_inv (bool drop_to_ground)
		918	{
		919	// need to check first, because the checks below might segfault
		920	// as we might be on an invalid mapspace and crossfire code
		921	// is too buggy to ensure that the inventory is empty.
		922	// corollary: if you create arrows etc. with stuff in tis inventory,
		923	// cf will crash below with off-map x and y
		924	if (!inv)
		925	return;
		926
		927	/* Only if the space blocks everything do we not process -
		928	* if some form of movement is allowed, let objects
		929	* drop on that space.
		930	*/
		931	if (!drop_to_ground
		932	|| !map
		933	|| map->in_memory != MAP_ACTIVE
		934	|| map->nodrop
		935	|| ms ().move_block == MOVE_ALL)
		936	{
		937	while (inv)
		938	{
		939	inv->destroy_inv (drop_to_ground);
		940	inv->destroy ();
		941	}
		942	}
		943	else
		944	{ /* Put objects in inventory onto this space */
		945	while (inv)
		946	{
		947	object *op = inv;
		948
		949	if (op->flag [FLAG_STARTEQUIP]
		950	|| op->flag [FLAG_NO_DROP]
		951	|| op->type == RUNE
		952	|| op->type == TRAP
		953	|| op->flag [FLAG_IS_A_TEMPLATE]
		954	|| op->flag [FLAG_DESTROY_ON_DEATH])
		955	op->destroy ();
		956	else
		957	map->insert (op, x, y);
		958	}
		959	}
884	}	960	}
885		961
886	object *object::create ()	962	object *object::create ()
887	{	963	{
888	object *op = new object;	964	object *op = new object;
889	op->link ();	965	op->link ();
890	return op;	966	return op;
891	}	967	}
892		968
893	/*	969	void
894	* free_object() frees everything allocated by an object, removes	970	object::do_destroy ()
895	* it from the list of used objects, and puts it on the list of
896	* free objects. The IS_FREED() flag is set in the object.
897	* The object must have been removed by remove_ob() first for
898	* this function to succeed.
899	*
900	* If destroy_inventory is set, free inventory as well. Else drop items in
901	* inventory to the ground.
902	*/
903	void object::destroy (bool destroy_inventory)
904	{	971	{
905	if (QUERY_FLAG (this, FLAG_FREED))	972	if (flag [FLAG_IS_LINKED])
906	return;	973	remove_button_link (this);
907		974
908	if (QUERY_FLAG (this, FLAG_FRIENDLY))	975	if (flag [FLAG_FRIENDLY])
909	remove_friendly_object (this);	976	remove_friendly_object (this);
910		977
911	if (!QUERY_FLAG (this, FLAG_REMOVED))	978	remove ();
912	remove_ob (this);
913		979
914	SET_FLAG (this, FLAG_FREED);	980	attachable::do_destroy ();
915		981
916	if (more)	982	destroy_inv (true);
917	{
918	more->destroy (destroy_inventory);
919	more = 0;
920	}
921		983
922	if (inv)	984	deactivate ();
923	{	985	unlink ();
924	/* Only if the space blocks everything do we not process -
925	* if some form of movement is allowed, let objects
926	* drop on that space.
927	*/
928	if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
929	{
930	object *op = inv;
931		986
932	while (op)	987	flag [FLAG_FREED] = 1;
933	{
934	object *tmp = op->below;
935	op->destroy (destroy_inventory);
936	op = tmp;
937	}
938	}
939	else
940	{ /* Put objects in inventory onto this space */
941	object *op = inv;
942
943	while (op)
944	{
945	object *tmp = op->below;
946
947	remove_ob (op);
948
949	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
950	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
951	free_object (op);
952	else
953	{
954	op->x = x;
955	op->y = y;
956	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
957	}
958
959	op = tmp;
960	}
961	}
962	}
963		988
964	// hack to ensure that freed objects still have a valid map	989	// hack to ensure that freed objects still have a valid map
965	{	990	{
966	static maptile *freed_map; // freed objects are moved here to avoid crashes	991	static maptile *freed_map; // freed objects are moved here to avoid crashes
967		992
968	if (!freed_map)	993	if (!freed_map)
969	{	994	{
970	freed_map = new maptile;	995	freed_map = new maptile;
971		996
		997	freed_map->path = "<freed objects map>";
972	freed_map->name = "/internal/freed_objects_map";	998	freed_map->name = "/internal/freed_objects_map";
973	freed_map->width = 3;	999	freed_map->width = 3;
974	freed_map->height = 3;	1000	freed_map->height = 3;
		1001	freed_map->nodrop = 1;
975		1002
976	freed_map->allocate ();	1003	freed_map->alloc ();
		1004	freed_map->in_memory = MAP_ACTIVE;
977	}	1005	}
978		1006
979	map = freed_map;	1007	map = freed_map;
980	x = 1;	1008	x = 1;
981	y = 1;	1009	y = 1;
982	}	1010	}
983		1011
		1012	if (more)
		1013	{
		1014	more->destroy ();
		1015	more = 0;
		1016	}
		1017
		1018	head = 0;
		1019
984	// clear those pointers that likely might have circular references to us	1020	// clear those pointers that likely might cause circular references
985	owner = 0;	1021	owner = 0;
986	enemy = 0;	1022	enemy = 0;
987	attacked_by = 0;	1023	attacked_by = 0;
988		1024	current_weapon = 0;
989	// only relevant for players(?), but make sure of it anyways
990	contr = 0;
991
992	/* Remove object from the active list */
993	speed = 0;
994	update_ob_speed (this);
995
996	unlink ();
997
998	mortals.push_back (this);
999	}	1025	}
1000
1001	/*
1002	* sub_weight() recursively (outwards) subtracts a number from the
1003	* weight of an object (and what is carried by it's environment(s)).
1004	*/
1005		1026
1006	void	1027	void
1007	sub_weight (object *op, signed long weight)	1028	object::destroy (bool destroy_inventory)
1008	{	1029	{
1009	while (op != NULL)	1030	if (destroyed ())
1010	{	1031	return;
1011	if (op->type == CONTAINER)
1012	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1013		1032
1014	op->carrying -= weight;	1033	if (destroy_inventory)
1015	op = op->env;	1034	destroy_inv (false);
1016	}
1017	}
1018		1035
1019	/* remove_ob(op):	1036	if (is_head ())
		1037	if (sound_destroy)
		1038	play_sound (sound_destroy);
		1039	else if (flag [FLAG_MONSTER])
		1040	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
		1041
		1042	attachable::destroy ();
		1043	}
		1044
		1045	/* op->remove ():
1020	* This function removes the object op from the linked list of objects	1046	* This function removes the object op from the linked list of objects
1021	* which it is currently tied to. When this function is done, the	1047	* which it is currently tied to. When this function is done, the
1022	* object will have no environment. If the object previously had an	1048	* object will have no environment. If the object previously had an
1023	* environment, the x and y coordinates will be updated to	1049	* environment, the x and y coordinates will be updated to
1024	* the previous environment.	1050	* the previous environment.
1025	* Beware: This function is called from the editor as well!
1026	*/	1051	*/
1027
1028	void	1052	void
1029	remove_ob (object *op)	1053	object::do_remove ()
1030	{	1054	{
1031	object *tmp, *last = 0;	1055	object *tmp, *last = 0;
1032	object *otmp;	1056	object *otmp;
1033		1057
1034	int check_walk_off;	1058	if (flag [FLAG_REMOVED])
1035	maptile *m;
1036
1037	sint16 x, y;
1038
1039	if (QUERY_FLAG (op, FLAG_REMOVED))
1040	return;	1059	return;
1041		1060
1042	SET_FLAG (op, FLAG_REMOVED);	1061	INVOKE_OBJECT (REMOVE, this);
1043		1062
1044	if (op->more != NULL)	1063	if (object *pl = visible_to ())
1045	remove_ob (op->more);	1064	esrv_del_item (pl->contr, count);
		1065
		1066	flag [FLAG_REMOVED] = true;
		1067
		1068	if (more)
		1069	more->remove ();
1046		1070
1047	/*	1071	/*
1048	* In this case, the object to be removed is in someones	1072	* In this case, the object to be removed is in someones
1049	* inventory.	1073	* inventory.
1050	*/	1074	*/
1051	if (op->env != NULL)	1075	if (env)
1052	{	1076	{
1053	if (op->nrof)	1077	adjust_weight (env, -total_weight ());
1054	sub_weight (op->env, op->weight * op->nrof);	1078
1055	else	1079	*(above ? &above->below : &env->inv) = below;
1056	sub_weight (op->env, op->weight + op->carrying);	1080
		1081	if (below)
		1082	below->above = above;
		1083
		1084	/* we set up values so that it could be inserted into
		1085	* the map, but we don't actually do that - it is up
		1086	* to the caller to decide what we want to do.
		1087	*/
		1088	map = env->map;
		1089	x = env->x;
		1090	y = env->y;
		1091	above = 0;
		1092	below = 0;
		1093	env = 0;
1057		1094
1058	/* NO_FIX_PLAYER is set when a great many changes are being	1095	/* NO_FIX_PLAYER is set when a great many changes are being
1059	* made to players inventory. If set, avoiding the call	1096	* made to players inventory. If set, avoiding the call
1060	* to save cpu time.	1097	* to save cpu time.
1061	*/	1098	*/
1062	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1099	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1063	fix_player (otmp);	1100	otmp->update_stats ();
		1101	}
		1102	else if (map)
		1103	{
		1104	if (type == PLAYER)
		1105	{
		1106	// leaving a spot always closes any open container on the ground
		1107	if (container && !container->env)
		1108	// this causes spurious floorbox updates, but it ensures
		1109	// that the CLOSE event is being sent.
		1110	close_container ();
1064		1111
1065	if (op->above != NULL)	1112	--map->players;
		1113	map->touch ();
		1114	}
		1115
		1116	map->dirty = true;
		1117	mapspace &ms = this->ms ();
		1118
		1119	/* link the object above us */
		1120	if (above)
1066	op->above->below = op->below;	1121	above->below = below;
1067	else	1122	else
1068	op->env->inv = op->below;
1069
1070	if (op->below != NULL)
1071	op->below->above = op->above;
1072
1073	/* we set up values so that it could be inserted into
1074	* the map, but we don't actually do that - it is up
1075	* to the caller to decide what we want to do.
1076	*/
1077	op->x = op->env->x, op->y = op->env->y;
1078	op->map = op->env->map;
1079	op->above = NULL, op->below = NULL;
1080	op->env = NULL;
1081	}
1082	else if (op->map)
1083	{
1084	x = op->x;
1085	y = op->y;
1086	m = get_map_from_coord (op->map, &x, &y);
1087
1088	if (!m)
1089	{
1090	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1091	op->map->path, op->x, op->y);
1092	/* in old days, we used to set x and y to 0 and continue.
1093	* it seems if we get into this case, something is probablye
1094	* screwed up and should be fixed.
1095	*/
1096	abort ();
1097	}
1098
1099	if (op->map != m)
1100	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1101	op->map->path, m->path, op->x, op->y, x, y);
1102
1103	/* Re did the following section of code - it looks like it had
1104	* lots of logic for things we no longer care about
1105	*/
1106
1107	/* link the object above us */
1108	if (op->above)
1109	op->above->below = op->below;
1110	else
1111	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1123	ms.top = below; /* we were top, set new top */
1112		1124
1113	/* Relink the object below us, if there is one */	1125	/* Relink the object below us, if there is one */
1114	if (op->below)	1126	if (below)
1115	op->below->above = op->above;	1127	below->above = above;
1116	else	1128	else
1117	{	1129	{
1118	/* Nothing below, which means we need to relink map object for this space	1130	/* Nothing below, which means we need to relink map object for this space
1119	* use translated coordinates in case some oddness with map tiling is	1131	* use translated coordinates in case some oddness with map tiling is
1120	* evident	1132	* evident
1121	*/	1133	*/
1122	if (GET_MAP_OB (m, x, y) != op)	1134	if (GET_MAP_OB (map, x, y) != this)
1123	{
1124	char *dump = dump_object (op);
1125	LOG (llevError,
1126	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);	1135	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1127	free (dump);
1128	dump = dump_object (GET_MAP_OB (m, x, y));
1129	LOG (llevError, "%s\n", dump);
1130	free (dump);
1131	}
1132		1136
1133	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */	1137	ms.bot = above; /* goes on above it. */
1134	}	1138	}
1135		1139
1136	op->above = 0;	1140	above = 0;
1137	op->below = 0;	1141	below = 0;
1138		1142
1139	if (op->map->in_memory == MAP_SAVING)	1143	if (map->in_memory == MAP_SAVING)
1140	return;	1144	return;
1141		1145
1142	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);	1146	int check_walk_off = !flag [FLAG_NO_APPLY];
1143		1147
1144	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1148	if (object *pl = ms.player ())
		1149	{
		1150	if (pl->container == this)
		1151	/* If a container that the player is currently using somehow gets
		1152	* removed (most likely destroyed), update the player view
		1153	* appropriately.
		1154	*/
		1155	pl->close_container ();
		1156
		1157	pl->contr->ns->floorbox_update ();
		1158	}
		1159
		1160	for (tmp = ms.bot; tmp; tmp = tmp->above)
1145	{	1161	{
1146	/* No point updating the players look faces if he is the object	1162	/* No point updating the players look faces if he is the object
1147	* being removed.	1163	* being removed.
1148	*/	1164	*/
1149		1165
1150	if (tmp->type == PLAYER && tmp != op)	1166	/* See if object moving off should effect something */
		1167	if (check_walk_off
		1168	&& ((move_type & tmp->move_off)
		1169	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1151	{	1170	{
1152	/* If a container that the player is currently using somehow gets
1153	* removed (most likely destroyed), update the player view
1154	* appropriately.
1155	*/
1156	if (tmp->container == op)
1157	{
1158	CLEAR_FLAG (op, FLAG_APPLIED);
1159	tmp->container = NULL;
1160	}
1161
1162	tmp->contr->socket.update_look = 1;
1163	}
1164
1165	/* See if player moving off should effect something */
1166	if (check_walk_off
1167	&& ((op->move_type & tmp->move_off)
1168	&& (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1169	{
1170	move_apply (tmp, op, NULL);	1171	move_apply (tmp, this, 0);
1171		1172
1172	if (op->destroyed ())	1173	if (destroyed ())
1173	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1174	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1174	}	1175	}
1175		1176
1176	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1177
1178	if (tmp->above == tmp)
1179	tmp->above = NULL;
1180
1181	last = tmp;	1177	last = tmp;
1182	}	1178	}
1183		1179
1184	/* last == NULL of there are no objects on this space */	1180	/* last == NULL if there are no objects on this space */
		1181	//TODO: this makes little sense, why only update the topmost object?
1185	if (last == NULL)	1182	if (!last)
1186	{	1183	map->at (x, y).flags_ = 0;
1187	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1188	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1189	* those out anyways, and if there are any flags set right now, they won't
1190	* be correct anyways.
1191	*/
1192	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1193	update_position (op->map, op->x, op->y);
1194	}
1195	else	1184	else
1196	update_object (last, UP_OBJ_REMOVE);	1185	update_object (last, UP_OBJ_REMOVE);
1197		1186
1198	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1187	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1199	update_all_los (op->map, op->x, op->y);	1188	update_all_los (map, x, y);
1200	}	1189	}
1201	}	1190	}
1202		1191
1203	/*	1192	/*
1204	* merge_ob(op,top):	1193	* merge_ob(op,top):
…		…
1212	merge_ob (object *op, object *top)	1201	merge_ob (object *op, object *top)
1213	{	1202	{
1214	if (!op->nrof)	1203	if (!op->nrof)
1215	return 0;	1204	return 0;
1216		1205
1217	if (top == NULL)	1206	if (!top)
1218	for (top = op; top != NULL && top->above != NULL; top = top->above);	1207	for (top = op; top && top->above; top = top->above)
		1208	;
1219		1209
1220	for (; top != NULL; top = top->below)	1210	for (; top; top = top->below)
1221	{	1211	if (object::can_merge (op, top))
1222	if (top == op)
1223	continue;
1224	if (CAN_MERGE (op, top))
1225	{	1212	{
1226	top->nrof += op->nrof;	1213	top->nrof += op->nrof;
1227		1214
1228	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1215	if (object *pl = top->visible_to ())
1229	op->weight = 0; /* Don't want any adjustements now */	1216	esrv_update_item (UPD_NROF, pl, top);
1230	remove_ob (op);	1217
1231	free_object (op);	1218	op->weight = 0; // cancel the addition above
		1219	op->carrying = 0; // must be 0 already
		1220
		1221	op->destroy (1);
		1222
1232	return top;	1223	return top;
1233	}	1224	}
1234	}
1235		1225
1236	return 0;	1226	return 0;
1237	}	1227	}
1238		1228
		1229	void
		1230	object::expand_tail ()
		1231	{
		1232	if (more)
		1233	return;
		1234
		1235	object *prev = this;
		1236
		1237	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1238	{
		1239	object *op = arch_to_object (at);
		1240
		1241	op->name = name;
		1242	op->name_pl = name_pl;
		1243	op->title = title;
		1244
		1245	op->head = this;
		1246	prev->more = op;
		1247
		1248	prev = op;
		1249	}
		1250	}
		1251
1239	/*	1252	/*
1240	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1253	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1241	* job preparing multi-part monsters	1254	* job preparing multi-part monsters.
1242	*/	1255	*/
1243	object *	1256	object *
1244	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1257	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1245	{	1258	{
1246	object *tmp;
1247
1248	if (op->head)
1249	op = op->head;
1250
1251	for (tmp = op; tmp; tmp = tmp->more)	1259	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1252	{	1260	{
1253	tmp->x = x + tmp->arch->clone.x;	1261	tmp->x = x + tmp->arch->x;
1254	tmp->y = y + tmp->arch->clone.y;	1262	tmp->y = y + tmp->arch->y;
1255	}	1263	}
1256		1264
1257	return insert_ob_in_map (op, m, originator, flag);	1265	return insert_ob_in_map (op, m, originator, flag);
1258	}	1266	}
1259		1267
…		…
1275	* Return value:	1283	* Return value:
1276	* new object if 'op' was merged with other object	1284	* new object if 'op' was merged with other object
1277	* NULL if 'op' was destroyed	1285	* NULL if 'op' was destroyed
1278	* just 'op' otherwise	1286	* just 'op' otherwise
1279	*/	1287	*/
1280
1281	object *	1288	object *
1282	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1289	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1283	{	1290	{
		1291	assert (!op->flag [FLAG_FREED]);
		1292
1284	object *tmp, *top, *floor = NULL;	1293	object *top, *floor = NULL;
1285	sint16 x, y;
1286		1294
1287	if (QUERY_FLAG (op, FLAG_FREED))	1295	op->remove ();
1288	{
1289	LOG (llevError, "Trying to insert freed object!\n");
1290	return NULL;
1291	}
1292
1293	if (m == NULL)
1294	{
1295	char *dump = dump_object (op);
1296	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1297	free (dump);
1298	return op;
1299	}
1300
1301	if (out_of_map (m, op->x, op->y))
1302	{
1303	char *dump = dump_object (op);
1304	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1305	#ifdef MANY_CORES
1306	/* Better to catch this here, as otherwise the next use of this object
1307	* is likely to cause a crash. Better to find out where it is getting
1308	* improperly inserted.
1309	*/
1310	abort ();
1311	#endif
1312	free (dump);
1313	return op;
1314	}
1315
1316	if (!QUERY_FLAG (op, FLAG_REMOVED))
1317	{
1318	char *dump = dump_object (op);
1319	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1320	free (dump);
1321	return op;
1322	}
1323
1324	if (op->more != NULL)
1325	{
1326	/* The part may be on a different map. */
1327
1328	object *more = op->more;
1329
1330	/* We really need the caller to normalize coordinates - if
1331	* we set the map, that doesn't work if the location is within
1332	* a map and this is straddling an edge. So only if coordinate
1333	* is clear wrong do we normalize it.
1334	*/
1335	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1336	more->map = get_map_from_coord (m, &more->x, &more->y);
1337	else if (!more->map)
1338	{
1339	/* For backwards compatibility - when not dealing with tiled maps,
1340	* more->map should always point to the parent.
1341	*/
1342	more->map = m;
1343	}
1344
1345	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1346	{
1347	if (!op->head)
1348	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1349
1350	return NULL;
1351	}
1352	}
1353
1354	CLEAR_FLAG (op, FLAG_REMOVED);
1355		1296
1356	/* Ideally, the caller figures this out. However, it complicates a lot	1297	/* Ideally, the caller figures this out. However, it complicates a lot
1357	* 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
1358	* need extra work	1299	* need extra work
1359	*/	1300	*/
1360	op->map = get_map_from_coord (m, &op->x, &op->y);	1301	if (!xy_normalise (m, op->x, op->y))
1361	x = op->x;	1302	{
1362	y = op->y;	1303	op->destroy ();
		1304	return 0;
		1305	}
		1306
		1307	if (object *more = op->more)
		1308	if (!insert_ob_in_map (more, m, originator, flag))
		1309	return 0;
		1310
		1311	CLEAR_FLAG (op, FLAG_REMOVED);
		1312
		1313	op->map = m;
		1314	mapspace &ms = op->ms ();
1363		1315
1364	/* this has to be done after we translate the coordinates.	1316	/* this has to be done after we translate the coordinates.
1365	*/	1317	*/
1366	if (op->nrof && !(flag & INS_NO_MERGE))	1318	if (op->nrof && !(flag & INS_NO_MERGE))
1367	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1319	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1368	if (CAN_MERGE (op, tmp))	1320	if (object::can_merge (op, tmp))
1369	{	1321	{
1370	op->nrof += tmp->nrof;	1322	op->nrof += tmp->nrof;
1371	remove_ob (tmp);	1323	tmp->destroy (1);
1372	free_object (tmp);
1373	}	1324	}
1374		1325
1375	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1326	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1376	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1327	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1377		1328
…		…
1390	op->below = originator->below;	1341	op->below = originator->below;
1391		1342
1392	if (op->below)	1343	if (op->below)
1393	op->below->above = op;	1344	op->below->above = op;
1394	else	1345	else
1395	SET_MAP_OB (op->map, op->x, op->y, op);	1346	ms.bot = op;
1396		1347
1397	/* since *below* originator, no need to update top */	1348	/* since *below* originator, no need to update top */
1398	originator->below = op;	1349	originator->below = op;
1399	}	1350	}
1400	else	1351	else
1401	{	1352	{
		1353	top = ms.bot;
		1354
1402	/* If there are other objects, then */	1355	/* If there are other objects, then */
1403	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1356	if (top)
1404	{	1357	{
1405	object *last = NULL;	1358	object *last = 0;
1406		1359
1407	/*	1360	/*
1408	* If there are multiple objects on this space, we do some trickier handling.	1361	* If there are multiple objects on this space, we do some trickier handling.
1409	* We've already dealt with merging if appropriate.	1362	* We've already dealt with merging if appropriate.
1410	* Generally, we want to put the new object on top. But if	1363	* Generally, we want to put the new object on top. But if
…		…
1414	* once we get to them. This reduces the need to traverse over all of	1367	* once we get to them. This reduces the need to traverse over all of
1415	* them when adding another one - this saves quite a bit of cpu time	1368	* them when adding another one - this saves quite a bit of cpu time
1416	* when lots of spells are cast in one area. Currently, it is presumed	1369	* when lots of spells are cast in one area. Currently, it is presumed
1417	* that flying non pickable objects are spell objects.	1370	* that flying non pickable objects are spell objects.
1418	*/	1371	*/
1419		1372	for (top = ms.bot; top; top = top->above)
1420	while (top != NULL)
1421	{	1373	{
1422	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1374	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1423	floor = top;	1375	floor = top;
1424		1376
1425	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1377	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1428	top = top->below;	1380	top = top->below;
1429	break;	1381	break;
1430	}	1382	}
1431		1383
1432	last = top;	1384	last = top;
1433	top = top->above;
1434	}	1385	}
1435		1386
1436	/* Don't want top to be NULL, so set it to the last valid object */	1387	/* Don't want top to be NULL, so set it to the last valid object */
1437	top = last;	1388	top = last;
1438		1389
…		…
1440	* looks like instead of lots of conditions here.	1391	* looks like instead of lots of conditions here.
1441	* makes things faster, and effectively the same result.	1392	* makes things faster, and effectively the same result.
1442	*/	1393	*/
1443		1394
1444	/* Have object 'fall below' other objects that block view.	1395	/* Have object 'fall below' other objects that block view.
1445	* Unless those objects are exits, type 66	1396	* Unless those objects are exits.
1446	* If INS_ON_TOP is used, don't do this processing	1397	* If INS_ON_TOP is used, don't do this processing
1447	* Need to find the object that in fact blocks view, otherwise	1398	* Need to find the object that in fact blocks view, otherwise
1448	* stacking is a bit odd.	1399	* stacking is a bit odd.
1449	*/	1400	*/
1450	if (!(flag & INS_ON_TOP) &&	1401	if (!(flag & INS_ON_TOP)
1451	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1402	&& ms.flags () & P_BLOCKSVIEW
		1403	&& (op->face && !faces [op->face].visibility))
1452	{	1404	{
1453	for (last = top; last != floor; last = last->below)	1405	for (last = top; last != floor; last = last->below)
1454	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1406	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1455	break;	1407	break;
		1408
1456	/* Check to see if we found the object that blocks view,	1409	/* Check to see if we found the object that blocks view,
1457	* and make sure we have a below pointer for it so that	1410	* and make sure we have a below pointer for it so that
1458	* we can get inserted below this one, which requires we	1411	* we can get inserted below this one, which requires we
1459	* set top to the object below us.	1412	* set top to the object below us.
1460	*/	1413	*/
1461	if (last && last->below && last != floor)	1414	if (last && last->below && last != floor)
1462	top = last->below;	1415	top = last->below;
1463	}	1416	}
1464	} /* If objects on this space */	1417	} /* If objects on this space */
1465		1418
1466	if (flag & INS_MAP_LOAD)
1467	top = GET_MAP_TOP (op->map, op->x, op->y);
1468
1469	if (flag & INS_ABOVE_FLOOR_ONLY)	1419	if (flag & INS_ABOVE_FLOOR_ONLY)
1470	top = floor;	1420	top = floor;
1471		1421
1472	/* Top is the object that our object (op) is going to get inserted above.	1422	/* Top is the object that our object (op) is going to get inserted above.
1473	*/	1423	*/
1474		1424
1475	/* First object on this space */	1425	/* First object on this space */
1476	if (!top)	1426	if (!top)
1477	{	1427	{
1478	op->above = GET_MAP_OB (op->map, op->x, op->y);	1428	op->above = ms.bot;
1479		1429
1480	if (op->above)	1430	if (op->above)
1481	op->above->below = op;	1431	op->above->below = op;
1482		1432
1483	op->below = NULL;	1433	op->below = 0;
1484	SET_MAP_OB (op->map, op->x, op->y, op);	1434	ms.bot = op;
1485	}	1435	}
1486	else	1436	else
1487	{ /* get inserted into the stack above top */	1437	{ /* get inserted into the stack above top */
1488	op->above = top->above;	1438	op->above = top->above;
1489		1439
…		…
1492		1442
1493	op->below = top;	1443	op->below = top;
1494	top->above = op;	1444	top->above = op;
1495	}	1445	}
1496		1446
1497	if (op->above == NULL)	1447	if (!op->above)
1498	SET_MAP_TOP (op->map, op->x, op->y, op);	1448	ms.top = op;
1499	} /* else not INS_BELOW_ORIGINATOR */	1449	} /* else not INS_BELOW_ORIGINATOR */
1500		1450
1501	if (op->type == PLAYER)	1451	if (op->type == PLAYER)
		1452	{
1502	op->contr->do_los = 1;	1453	op->contr->do_los = 1;
		1454	++op->map->players;
		1455	op->map->touch ();
		1456	}
1503		1457
1504	/* If we have a floor, we know the player, if any, will be above	1458	op->map->dirty = true;
1505	* it, so save a few ticks and start from there.	1459
1506	*/	1460	if (object *pl = ms.player ())
1507	if (!(flag & INS_MAP_LOAD))	1461	pl->contr->ns->floorbox_update ();
1508	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1509	if (tmp->type == PLAYER)
1510	tmp->contr->socket.update_look = 1;
1511		1462
1512	/* If this object glows, it may affect lighting conditions that are	1463	/* If this object glows, it may affect lighting conditions that are
1513	* visible to others on this map. But update_all_los is really	1464	* visible to others on this map. But update_all_los is really
1514	* an inefficient way to do this, as it means los for all players	1465	* an inefficient way to do this, as it means los for all players
1515	* on the map will get recalculated. The players could very well	1466	* on the map will get recalculated. The players could very well
1516	* be far away from this change and not affected in any way -	1467	* be far away from this change and not affected in any way -
1517	* this should get redone to only look for players within range,	1468	* this should get redone to only look for players within range,
1518	* or just updating the P_NEED_UPDATE for spaces within this area	1469	* or just updating the P_UPTODATE for spaces within this area
1519	* of effect may be sufficient.	1470	* of effect may be sufficient.
1520	*/	1471	*/
1521	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1472	if (op->map->darkness && (op->glow_radius != 0))
1522	update_all_los (op->map, op->x, op->y);	1473	update_all_los (op->map, op->x, op->y);
1523		1474
1524	/* updates flags (blocked, alive, no magic, etc) for this map space */	1475	/* updates flags (blocked, alive, no magic, etc) for this map space */
1525	update_object (op, UP_OBJ_INSERT);	1476	update_object (op, UP_OBJ_INSERT);
1526		1477
		1478	INVOKE_OBJECT (INSERT, op);
		1479
1527	/* Don't know if moving this to the end will break anything. However,	1480	/* Don't know if moving this to the end will break anything. However,
1528	* we want to have update_look set above before calling this.	1481	* we want to have floorbox_update called before calling this.
1529	*	1482	*
1530	* check_move_on() must be after this because code called from	1483	* check_move_on() must be after this because code called from
1531	* check_move_on() depends on correct map flags (so functions like	1484	* check_move_on() depends on correct map flags (so functions like
1532	* blocked() and wall() work properly), and these flags are updated by	1485	* blocked() and wall() work properly), and these flags are updated by
1533	* update_object().	1486	* update_object().
1534	*/	1487	*/
1535		1488
1536	/* if this is not the head or flag has been passed, don't check walk on status */	1489	/* if this is not the head or flag has been passed, don't check walk on status */
1537	if (!(flag & INS_NO_WALK_ON) && !op->head)	1490	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1538	{	1491	{
1539	if (check_move_on (op, originator))	1492	if (check_move_on (op, originator))
1540	return NULL;	1493	return 0;
1541		1494
1542	/* If we are a multi part object, lets work our way through the check	1495	/* If we are a multi part object, lets work our way through the check
1543	* walk on's.	1496	* walk on's.
1544	*/	1497	*/
1545	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1498	for (object *tmp = op->more; tmp; tmp = tmp->more)
1546	if (check_move_on (tmp, originator))	1499	if (check_move_on (tmp, originator))
1547	return NULL;	1500	return 0;
1548	}	1501	}
1549		1502
1550	return op;	1503	return op;
1551	}	1504	}
1552		1505
1553	/* this function inserts an object in the map, but if it	1506	/* this function inserts an object in the map, but if it
1554	* finds an object of its own type, it'll remove that one first.	1507	* finds an object of its own type, it'll remove that one first.
1555	* op is the object to insert it under: supplies x and the map.	1508	* op is the object to insert it under: supplies x and the map.
1556	*/	1509	*/
1557	void	1510	void
1558	replace_insert_ob_in_map (const char *arch_string, object *op)	1511	replace_insert_ob_in_map (const char *arch_string, object *op)
1559	{	1512	{
1560	object *
1561	tmp;
1562	object *
1563	tmp1;
1564
1565	/* first search for itself and remove any old instances */	1513	/* first search for itself and remove any old instances */
1566		1514
1567	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1515	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1568	{
1569	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1516	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1570	{	1517	tmp->destroy (1);
1571	remove_ob (tmp);
1572	free_object (tmp);
1573	}
1574	}
1575		1518
1576	tmp1 = arch_to_object (archetype::find (arch_string));	1519	object *tmp = arch_to_object (archetype::find (arch_string));
1577		1520
1578	tmp1->x = op->x;	1521	tmp->x = op->x;
1579	tmp1->y = op->y;	1522	tmp->y = op->y;
		1523
1580	insert_ob_in_map (tmp1, op->map, op, 0);	1524	insert_ob_in_map (tmp, op->map, op, 0);
1581	}	1525	}
1582
1583	/*
1584	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1585	* is returned contains nr objects, and the remaining parts contains
1586	* the rest (or is removed and freed if that number is 0).
1587	* On failure, NULL is returned, and the reason put into the
1588	* global static errmsg array.
1589	*/
1590		1526
1591	object *	1527	object *
1592	get_split_ob (object *orig_ob, uint32 nr)	1528	object::insert_at (object *where, object *originator, int flags)
1593	{	1529	{
1594	object *	1530	if (where->env)
1595	newob;	1531	return where->env->insert (this);
1596	int	1532	else
1597	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1533	return where->map->insert (this, where->x, where->y, originator, flags);
1598
1599	if (orig_ob->nrof < nr)
1600	{
1601	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1602	return NULL;
1603	}
1604
1605	newob = object_create_clone (orig_ob);
1606
1607	if ((orig_ob->nrof -= nr) < 1)
1608	{
1609	if (!is_removed)
1610	remove_ob (orig_ob);
1611	free_object2 (orig_ob, 1);
1612	}
1613	else if (!is_removed)
1614	{
1615	if (orig_ob->env != NULL)
1616	sub_weight (orig_ob->env, orig_ob->weight * nr);
1617	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1618	{
1619	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1620	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1621	return NULL;
1622	}
1623	}
1624
1625	newob->nrof = nr;
1626
1627	return newob;
1628	}	1534	}
1629		1535
1630	/*	1536	/*
1631	* decrease_ob_nr(object, number) decreases a specified number from	1537	* decrease(object, number) decreases a specified number from
1632	* the amount of an object. If the amount reaches 0, the object	1538	* the amount of an object. If the amount reaches 0, the object
1633	* is subsequently removed and freed.	1539	* is subsequently removed and freed.
1634	*	1540	*
1635	* Return value: 'op' if something is left, NULL if the amount reached 0	1541	* Return value: 'op' if something is left, NULL if the amount reached 0
1636	*/	1542	*/
		1543	bool
		1544	object::decrease (sint32 nr)
		1545	{
		1546	if (!nr)
		1547	return true;
1637		1548
		1549	nr = min (nr, nrof);
		1550
		1551	nrof -= nr;
		1552
		1553	if (nrof)
		1554	{
		1555	adjust_weight (env, -weight * nr); // carrying == 0
		1556
		1557	if (object *pl = visible_to ())
		1558	esrv_update_item (UPD_NROF, pl, this);
		1559
		1560	return true;
		1561	}
		1562	else
		1563	{
		1564	destroy (1);
		1565	return false;
		1566	}
		1567	}
		1568
		1569	/*
		1570	* split(ob,nr) splits up ob into two parts. The part which
		1571	* is returned contains nr objects, and the remaining parts contains
		1572	* the rest (or is removed and returned if that number is 0).
		1573	* On failure, NULL is returned.
		1574	*/
1638	object *	1575	object *
1639	decrease_ob_nr (object *op, uint32 i)	1576	object::split (sint32 nr)
1640	{	1577	{
1641	object *tmp;	1578	int have = number_of ();
1642	player *pl;
1643		1579
1644	if (i == 0) /* objects with op->nrof require this check */	1580	if (have < nr)
1645	return op;	1581	return 0;
1646		1582	else if (have == nr)
1647	if (i > op->nrof)
1648	i = op->nrof;
1649
1650	if (QUERY_FLAG (op, FLAG_REMOVED))
1651	op->nrof -= i;
1652	else if (op->env != NULL)
1653	{	1583	{
1654	/* is this object in the players inventory, or sub container
1655	* therein?
1656	*/
1657	tmp = is_player_inv (op->env);
1658	/* nope. Is this a container the player has opened?
1659	* If so, set tmp to that player.
1660	* IMO, searching through all the players will mostly
1661	* likely be quicker than following op->env to the map,
1662	* and then searching the map for a player.
1663	*/
1664	if (!tmp)
1665	{
1666	for (pl = first_player; pl; pl = pl->next)
1667	if (pl->ob->container == op->env)
1668	break;
1669	if (pl)
1670	tmp = pl->ob;
1671	else
1672	tmp = NULL;
1673	}
1674
1675	if (i < op->nrof)
1676	{
1677	sub_weight (op->env, op->weight * i);
1678	op->nrof -= i;
1679	if (tmp)
1680	{
1681	esrv_send_item (tmp, op);
1682	}
1683	}
1684	else
1685	{
1686	remove_ob (op);	1584	remove ();
1687	op->nrof = 0;	1585	return this;
1688	if (tmp)
1689	{
1690	esrv_del_item (tmp->contr, op->count);
1691	}
1692	}
1693	}	1586	}
1694	else	1587	else
1695	{	1588	{
1696	object *above = op->above;	1589	decrease (nr);
1697		1590
1698	if (i < op->nrof)	1591	object *op = object_create_clone (this);
1699	op->nrof -= i;	1592	op->nrof = nr;
1700	else
1701	{
1702	remove_ob (op);
1703	op->nrof = 0;
1704	}
1705
1706	/* Since we just removed op, op->above is null */
1707	for (tmp = above; tmp != NULL; tmp = tmp->above)
1708	if (tmp->type == PLAYER)
1709	{
1710	if (op->nrof)
1711	esrv_send_item (tmp, op);
1712	else
1713	esrv_del_item (tmp->contr, op->count);
1714	}
1715	}
1716
1717	if (op->nrof)
1718	return op;	1593	return op;
1719	else
1720	{	1594	}
1721	free_object (op);
1722	return NULL;
1723	}
1724	}	1595	}
1725
1726	/*
1727	* add_weight(object, weight) adds the specified weight to an object,
1728	* and also updates how much the environment(s) is/are carrying.
1729	*/
1730
1731	void
1732	add_weight (object *op, signed long weight)
1733	{
1734	while (op != NULL)
1735	{
1736	if (op->type == CONTAINER)
1737	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1738
1739	op->carrying += weight;
1740	op = op->env;
1741	}
1742	}
1743
1744	/*
1745	* insert_ob_in_ob(op,environment):
1746	* This function inserts the object op in the linked list
1747	* inside the object environment.
1748	*
1749	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1750	* the inventory at the last position or next to other objects of the same
1751	* type.
1752	* Frank: Now sorted by type, archetype and magic!
1753	*
1754	* The function returns now pointer to inserted item, and return value can
1755	* be != op, if items are merged. -Tero
1756	*/
1757		1596
1758	object *	1597	object *
1759	insert_ob_in_ob (object *op, object *where)	1598	insert_ob_in_ob (object *op, object *where)
1760	{	1599	{
1761	object *	1600	if (!where)
1762	tmp, *
1763	otmp;
1764
1765	if (!QUERY_FLAG (op, FLAG_REMOVED))
1766	{
1767	char *dump = dump_object (op);
1768	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", dump);
1769	free (dump);
1770	return op;
1771	}
1772
1773	if (where == NULL)
1774	{	1601	{
1775	char *dump = dump_object (op);	1602	char *dump = dump_object (op);
1776	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1603	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1777	free (dump);	1604	free (dump);
1778	return op;	1605	return op;
1779	}	1606	}
1780		1607
1781	if (where->head)	1608	if (where->head_ () != where)
1782	{	1609	{
1783	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");	1610	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1784	where = where->head;	1611	where = where->head;
1785	}	1612	}
1786		1613
		1614	return where->insert (op);
		1615	}
		1616
		1617	/*
		1618	* env->insert (op)
		1619	* This function inserts the object op in the linked list
		1620	* inside the object environment.
		1621	*
		1622	* The function returns now pointer to inserted item, and return value can
		1623	* be != op, if items are merged. -Tero
		1624	*/
		1625	object *
		1626	object::insert (object *op)
		1627	{
1787	if (op->more)	1628	if (op->more)
1788	{	1629	{
1789	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1630	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1790	return op;	1631	return op;
1791	}	1632	}
1792		1633
1793	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1634	op->remove ();
1794	CLEAR_FLAG (op, FLAG_REMOVED);	1635
		1636	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1637
1795	if (op->nrof)	1638	if (op->nrof)
1796	{
1797	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1639	for (object *tmp = inv; tmp; tmp = tmp->below)
1798	if (CAN_MERGE (tmp, op))	1640	if (object::can_merge (tmp, op))
1799	{	1641	{
1800	/* return the original object and remove inserted object	1642	/* return the original object and remove inserted object
1801	(client needs the original object) */	1643	(client needs the original object) */
1802	tmp->nrof += op->nrof;	1644	tmp->nrof += op->nrof;
1803	/* Weight handling gets pretty funky. Since we are adding to	1645
1804	* tmp->nrof, we need to increase the weight.	1646	if (object *pl = tmp->visible_to ())
1805	*/	1647	esrv_update_item (UPD_NROF, pl, tmp);
1806	add_weight (where, op->weight * op->nrof);	1648
1807	SET_FLAG (op, FLAG_REMOVED);	1649	adjust_weight (this, op->total_weight ());
1808	free_object (op); /* free the inserted object */	1650
		1651	op->destroy (1);
1809	op = tmp;	1652	op = tmp;
1810	remove_ob (op); /* and fix old object's links */	1653	goto inserted;
1811	CLEAR_FLAG (op, FLAG_REMOVED);
1812	break;
1813	}	1654	}
1814		1655
1815	/* I assume combined objects have no inventory	1656	op->owner = 0; // it's his/hers now. period.
1816	* We add the weight - this object could have just been removed
1817	* (if it was possible to merge). calling remove_ob will subtract
1818	* the weight, so we need to add it in again, since we actually do
1819	* the linking below
1820	*/
1821	add_weight (where, op->weight * op->nrof);
1822	}
1823	else
1824	add_weight (where, (op->weight + op->carrying));
1825
1826	otmp = is_player_inv (where);
1827	if (otmp && otmp->contr != NULL)
1828	{
1829	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1830	fix_player (otmp);
1831	}
1832
1833	op->map = NULL;	1657	op->map = 0;
1834	op->env = where;	1658	op->x = 0;
		1659	op->y = 0;
		1660
1835	op->above = NULL;	1661	op->above = 0;
1836	op->below = NULL;	1662	op->below = inv;
1837	op->x = 0, op->y = 0;	1663	op->env = this;
1838		1664
		1665	if (inv)
		1666	inv->above = op;
		1667
		1668	inv = op;
		1669
		1670	op->flag [FLAG_REMOVED] = 0;
		1671
		1672	if (object *pl = op->visible_to ())
		1673	esrv_send_item (pl, op);
		1674
		1675	adjust_weight (this, op->total_weight ());
		1676
		1677	inserted:
1839	/* reset the light list and los of the players on the map */	1678	/* reset the light list and los of the players on the map */
1840	if ((op->glow_radius != 0) && where->map)	1679	if (op->glow_radius && map && map->darkness)
1841	{	1680	update_all_los (map, x, y);
1842	#ifdef DEBUG_LIGHTS
1843	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1844	#endif /* DEBUG_LIGHTS */
1845	if (MAP_DARKNESS (where->map))
1846	update_all_los (where->map, where->x, where->y);
1847	}
1848		1681
1849	/* Client has no idea of ordering so lets not bother ordering it here.	1682	// if this is a player's inventory, update stats
1850	* It sure simplifies this function...	1683	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1851	*/	1684	update_stats ();
1852	if (where->inv == NULL)	1685
1853	where->inv = op;	1686	INVOKE_OBJECT (INSERT, this);
1854	else	1687
1855	{
1856	op->below = where->inv;
1857	op->below->above = op;
1858	where->inv = op;
1859	}
1860	return op;	1688	return op;
1861	}	1689	}
1862		1690
1863	/*	1691	/*
1864	* Checks if any objects has a move_type that matches objects	1692	* Checks if any objects has a move_type that matches objects
…		…
1878	*	1706	*
1879	* MSW 2001-07-08: Check all objects on space, not just those below	1707	* MSW 2001-07-08: Check all objects on space, not just those below
1880	* object being inserted. insert_ob_in_map may not put new objects	1708	* object being inserted. insert_ob_in_map may not put new objects
1881	* on top.	1709	* on top.
1882	*/	1710	*/
1883
1884	int	1711	int
1885	check_move_on (object *op, object *originator)	1712	check_move_on (object *op, object *originator)
1886	{	1713	{
1887	object *tmp;	1714	object *tmp;
1888	maptile *m = op->map;	1715	maptile *m = op->map;
…		…
1915		1742
1916	/* The objects have to be checked from top to bottom.	1743	/* The objects have to be checked from top to bottom.
1917	* Hence, we first go to the top:	1744	* Hence, we first go to the top:
1918	*/	1745	*/
1919		1746
1920	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1747	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1921	{	1748	{
1922	/* Trim the search when we find the first other spell effect	1749	/* Trim the search when we find the first other spell effect
1923	* this helps performance so that if a space has 50 spell objects,	1750	* this helps performance so that if a space has 50 spell objects,
1924	* we don't need to check all of them.	1751	* we don't need to check all of them.
1925	*/	1752	*/
…		…
1943	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1770	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1944	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1771	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1945	{	1772	{
1946		1773
1947	float	1774	float
1948	diff = tmp->move_slow_penalty * FABS (op->speed);	1775	diff = tmp->move_slow_penalty * fabs (op->speed);
1949		1776
1950	if (op->type == PLAYER)	1777	if (op->type == PLAYER)
1951	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1778	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1952	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1779	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1953	diff /= 4.0;	1780	diff /= 4.0;
…		…
1980	/*	1807	/*
1981	* present_arch(arch, map, x, y) searches for any objects with	1808	* present_arch(arch, map, x, y) searches for any objects with
1982	* a matching archetype at the given map and coordinates.	1809	* a matching archetype at the given map and coordinates.
1983	* The first matching object is returned, or NULL if none.	1810	* The first matching object is returned, or NULL if none.
1984	*/	1811	*/
1985
1986	object *	1812	object *
1987	present_arch (const archetype *at, maptile *m, int x, int y)	1813	present_arch (const archetype *at, maptile *m, int x, int y)
1988	{	1814	{
1989	object *
1990	tmp;
1991
1992	if (m == NULL || out_of_map (m, x, y))	1815	if (!m || out_of_map (m, x, y))
1993	{	1816	{
1994	LOG (llevError, "Present_arch called outside map.\n");	1817	LOG (llevError, "Present_arch called outside map.\n");
1995	return NULL;	1818	return NULL;
1996	}	1819	}
1997	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1820
		1821	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1998	if (tmp->arch == at)	1822	if (tmp->arch == at)
1999	return tmp;	1823	return tmp;
		1824
2000	return NULL;	1825	return NULL;
2001	}	1826	}
2002		1827
2003	/*	1828	/*
2004	* present(type, map, x, y) searches for any objects with	1829	* present(type, map, x, y) searches for any objects with
2005	* a matching type variable at the given map and coordinates.	1830	* a matching type variable at the given map and coordinates.
2006	* The first matching object is returned, or NULL if none.	1831	* The first matching object is returned, or NULL if none.
2007	*/	1832	*/
2008
2009	object *	1833	object *
2010	present (unsigned char type, maptile *m, int x, int y)	1834	present (unsigned char type, maptile *m, int x, int y)
2011	{	1835	{
2012	object *
2013	tmp;
2014
2015	if (out_of_map (m, x, y))	1836	if (out_of_map (m, x, y))
2016	{	1837	{
2017	LOG (llevError, "Present called outside map.\n");	1838	LOG (llevError, "Present called outside map.\n");
2018	return NULL;	1839	return NULL;
2019	}	1840	}
2020	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1841
		1842	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2021	if (tmp->type == type)	1843	if (tmp->type == type)
2022	return tmp;	1844	return tmp;
		1845
2023	return NULL;	1846	return NULL;
2024	}	1847	}
2025		1848
2026	/*	1849	/*
2027	* present_in_ob(type, object) searches for any objects with	1850	* present_in_ob(type, object) searches for any objects with
2028	* a matching type variable in the inventory of the given object.	1851	* a matching type variable in the inventory of the given object.
2029	* The first matching object is returned, or NULL if none.	1852	* The first matching object is returned, or NULL if none.
2030	*/	1853	*/
2031
2032	object *	1854	object *
2033	present_in_ob (unsigned char type, const object *op)	1855	present_in_ob (unsigned char type, const object *op)
2034	{	1856	{
2035	object *
2036	tmp;
2037
2038	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1857	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2039	if (tmp->type == type)	1858	if (tmp->type == type)
2040	return tmp;	1859	return tmp;
		1860
2041	return NULL;	1861	return NULL;
2042	}	1862	}
2043		1863
2044	/*	1864	/*
2045	* present_in_ob (type, str, object) searches for any objects with	1865	* present_in_ob (type, str, object) searches for any objects with
…		…
2053	* str is the string to match against. Note that we match against	1873	* str is the string to match against. Note that we match against
2054	* the object name, not the archetype name. this is so that the	1874	* the object name, not the archetype name. this is so that the
2055	* spell code can use one object type (force), but change it's name	1875	* spell code can use one object type (force), but change it's name
2056	* to be unique.	1876	* to be unique.
2057	*/	1877	*/
2058
2059	object *	1878	object *
2060	present_in_ob_by_name (int type, const char *str, const object *op)	1879	present_in_ob_by_name (int type, const char *str, const object *op)
2061	{	1880	{
2062	object *
2063	tmp;
2064
2065	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1881	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2066	{
2067	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1882	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2068	return tmp;	1883	return tmp;
2069	}	1884
2070	return NULL;	1885	return 0;
2071	}	1886	}
2072		1887
2073	/*	1888	/*
2074	* present_arch_in_ob(archetype, object) searches for any objects with	1889	* present_arch_in_ob(archetype, object) searches for any objects with
2075	* a matching archetype in the inventory of the given object.	1890	* a matching archetype in the inventory of the given object.
2076	* The first matching object is returned, or NULL if none.	1891	* The first matching object is returned, or NULL if none.
2077	*/	1892	*/
2078
2079	object *	1893	object *
2080	present_arch_in_ob (const archetype *at, const object *op)	1894	present_arch_in_ob (const archetype *at, const object *op)
2081	{	1895	{
2082	object *
2083	tmp;
2084
2085	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1896	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2086	if (tmp->arch == at)	1897	if (tmp->arch == at)
2087	return tmp;	1898	return tmp;
		1899
2088	return NULL;	1900	return NULL;
2089	}	1901	}
2090		1902
2091	/*	1903	/*
2092	* activate recursively a flag on an object inventory	1904	* activate recursively a flag on an object inventory
2093	*/	1905	*/
2094	void	1906	void
2095	flag_inv (object *op, int flag)	1907	flag_inv (object *op, int flag)
2096	{	1908	{
2097	object *
2098	tmp;
2099
2100	if (op->inv)
2101	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1909	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2102	{	1910	{
2103	SET_FLAG (tmp, flag);	1911	SET_FLAG (tmp, flag);
2104	flag_inv (tmp, flag);	1912	flag_inv (tmp, flag);
2105	}	1913	}
2106	} /*	1914	}
		1915
		1916	/*
2107	* desactivate recursively a flag on an object inventory	1917	* deactivate recursively a flag on an object inventory
2108	*/	1918	*/
2109	void	1919	void
2110	unflag_inv (object *op, int flag)	1920	unflag_inv (object *op, int flag)
2111	{	1921	{
2112	object *
2113	tmp;
2114
2115	if (op->inv)
2116	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1922	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2117	{	1923	{
2118	CLEAR_FLAG (tmp, flag);	1924	CLEAR_FLAG (tmp, flag);
2119	unflag_inv (tmp, flag);	1925	unflag_inv (tmp, flag);
2120	}	1926	}
2121	}
2122
2123	/*
2124	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2125	* all it's inventory (recursively).
2126	* If checksums are used, a player will get set_cheat called for
2127	* him/her-self and all object carried by a call to this function.
2128	*/
2129
2130	void
2131	set_cheat (object *op)
2132	{
2133	SET_FLAG (op, FLAG_WAS_WIZ);
2134	flag_inv (op, FLAG_WAS_WIZ);
2135	}	1927	}
2136		1928
2137	/*	1929	/*
2138	* find_free_spot(object, map, x, y, start, stop) will search for	1930	* find_free_spot(object, map, x, y, start, stop) will search for
2139	* a spot at the given map and coordinates which will be able to contain	1931	* a spot at the given map and coordinates which will be able to contain
…		…
2141	* to search (see the freearr_x/y[] definition).	1933	* to search (see the freearr_x/y[] definition).
2142	* It returns a random choice among the alternatives found.	1934	* It returns a random choice among the alternatives found.
2143	* start and stop are where to start relative to the free_arr array (1,9	1935	* start and stop are where to start relative to the free_arr array (1,9
2144	* does all 4 immediate directions). This returns the index into the	1936	* does all 4 immediate directions). This returns the index into the
2145	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1937	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2146	* Note - this only checks to see if there is space for the head of the
2147	* object - if it is a multispace object, this should be called for all
2148	* pieces.
2149	* Note2: This function does correctly handle tiled maps, but does not	1938	* Note: This function does correctly handle tiled maps, but does not
2150	* inform the caller. However, insert_ob_in_map will update as	1939	* inform the caller. However, insert_ob_in_map will update as
2151	* necessary, so the caller shouldn't need to do any special work.	1940	* necessary, so the caller shouldn't need to do any special work.
2152	* Note - updated to take an object instead of archetype - this is necessary	1941	* Note - updated to take an object instead of archetype - this is necessary
2153	* because arch_blocked (now ob_blocked) needs to know the movement type	1942	* because arch_blocked (now ob_blocked) needs to know the movement type
2154	* to know if the space in question will block the object. We can't use	1943	* to know if the space in question will block the object. We can't use
2155	* the archetype because that isn't correct if the monster has been	1944	* the archetype because that isn't correct if the monster has been
2156	* customized, changed states, etc.	1945	* customized, changed states, etc.
2157	*/	1946	*/
2158
2159	int	1947	int
2160	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1948	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2161	{	1949	{
2162	int
2163	i,
2164	index = 0, flag;
2165	static int
2166	altern[SIZEOFFREE];	1950	int altern[SIZEOFFREE];
		1951	int index = 0, flag;
2167		1952
2168	for (i = start; i < stop; i++)	1953	for (int i = start; i < stop; i++)
2169	{	1954	{
2170	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1955	mapxy pos (m, x, y); pos.move (i);
2171	if (!flag)	1956
		1957	if (!pos.normalise ())
		1958	continue;
		1959
		1960	mapspace &ms = *pos;
		1961
		1962	if (ms.flags () & P_IS_ALIVE)
		1963	continue;
		1964
		1965	/* However, often
		1966	* ob doesn't have any move type (when used to place exits)
		1967	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1968	*/
		1969	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1970	{
2172	altern[index++] = i;	1971	altern [index++] = i;
		1972	continue;
		1973	}
2173		1974
2174	/* Basically, if we find a wall on a space, we cut down the search size.	1975	/* Basically, if we find a wall on a space, we cut down the search size.
2175	* In this way, we won't return spaces that are on another side of a wall.	1976	* In this way, we won't return spaces that are on another side of a wall.
2176	* This mostly work, but it cuts down the search size in all directions -	1977	* This mostly work, but it cuts down the search size in all directions -
2177	* if the space being examined only has a wall to the north and empty	1978	* if the space being examined only has a wall to the north and empty
2178	* spaces in all the other directions, this will reduce the search space	1979	* spaces in all the other directions, this will reduce the search space
2179	* to only the spaces immediately surrounding the target area, and	1980	* to only the spaces immediately surrounding the target area, and
2180	* won't look 2 spaces south of the target space.	1981	* won't look 2 spaces south of the target space.
2181	*/	1982	*/
2182	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	1983	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1984	{
2183	stop = maxfree[i];	1985	stop = maxfree[i];
		1986	continue;
		1987	}
		1988
		1989	/* Note it is intentional that we check ob - the movement type of the
		1990	* head of the object should correspond for the entire object.
		1991	*/
		1992	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1993	continue;
		1994
		1995	if (ob->blocked (m, pos.x, pos.y))
		1996	continue;
		1997
		1998	altern [index++] = i;
2184	}	1999	}
		2000
2185	if (!index)	2001	if (!index)
2186	return -1;	2002	return -1;
		2003
2187	return altern[RANDOM () % index];	2004	return altern [rndm (index)];
2188	}	2005	}
2189		2006
2190	/*	2007	/*
2191	* find_first_free_spot(archetype, maptile, x, y) works like	2008	* find_first_free_spot(archetype, maptile, x, y) works like
2192	* find_free_spot(), but it will search max number of squares.	2009	* find_free_spot(), but it will search max number of squares.
2193	* But it will return the first available spot, not a random choice.	2010	* But it will return the first available spot, not a random choice.
2194	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2011	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2195	*/	2012	*/
2196
2197	int	2013	int
2198	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2014	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2199	{	2015	{
2200	int
2201	i;
2202
2203	for (i = 0; i < SIZEOFFREE; i++)	2016	for (int i = 0; i < SIZEOFFREE; i++)
2204	{
2205	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2017	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2206	return i;	2018	return i;
2207	}	2019
2208	return -1;	2020	return -1;
2209	}	2021	}
2210		2022
2211	/*	2023	/*
2212	* The function permute(arr, begin, end) randomly reorders the array	2024	* The function permute(arr, begin, end) randomly reorders the array
2213	* arr[begin..end-1].	2025	* arr[begin..end-1].
		2026	* now uses a fisher-yates shuffle, old permute was broken
2214	*/	2027	*/
2215	static void	2028	static void
2216	permute (int *arr, int begin, int end)	2029	permute (int *arr, int begin, int end)
2217	{	2030	{
2218	int	2031	arr += begin;
2219	i,
2220	j,
2221	tmp,
2222	len;
2223
2224	len = end - begin;	2032	end -= begin;
2225	for (i = begin; i < end; i++)
2226	{
2227	j = begin + RANDOM () % len;
2228		2033
2229	tmp = arr[i];	2034	while (--end)
2230	arr[i] = arr[j];	2035	swap (arr [end], arr [rndm (end + 1)]);
2231	arr[j] = tmp;
2232	}
2233	}	2036	}
2234		2037
2235	/* new function to make monster searching more efficient, and effective!	2038	/* new function to make monster searching more efficient, and effective!
2236	* This basically returns a randomized array (in the passed pointer) of	2039	* This basically returns a randomized array (in the passed pointer) of
2237	* the spaces to find monsters. In this way, it won't always look for	2040	* the spaces to find monsters. In this way, it won't always look for
…		…
2240	* the 3x3 area will be searched, just not in a predictable order.	2043	* the 3x3 area will be searched, just not in a predictable order.
2241	*/	2044	*/
2242	void	2045	void
2243	get_search_arr (int *search_arr)	2046	get_search_arr (int *search_arr)
2244	{	2047	{
2245	int	2048	int i;
2246	i;
2247		2049
2248	for (i = 0; i < SIZEOFFREE; i++)	2050	for (i = 0; i < SIZEOFFREE; i++)
2249	{
2250	search_arr[i] = i;	2051	search_arr[i] = i;
2251	}
2252		2052
2253	permute (search_arr, 1, SIZEOFFREE1 + 1);	2053	permute (search_arr, 1, SIZEOFFREE1 + 1);
2254	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2054	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2255	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2055	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2256	}	2056	}
…		…
2265	* Perhaps incorrectly, but I'm making the assumption that exclude	2065	* Perhaps incorrectly, but I'm making the assumption that exclude
2266	* is actually want is going to try and move there. We need this info	2066	* is actually want is going to try and move there. We need this info
2267	* because we have to know what movement the thing looking to move	2067	* because we have to know what movement the thing looking to move
2268	* there is capable of.	2068	* there is capable of.
2269	*/	2069	*/
2270
2271	int	2070	int
2272	find_dir (maptile *m, int x, int y, object *exclude)	2071	find_dir (maptile *m, int x, int y, object *exclude)
2273	{	2072	{
2274	int
2275	i,
2276	max = SIZEOFFREE, mflags;	2073	int i, max = SIZEOFFREE, mflags;
2277		2074
2278	sint16 nx, ny;	2075	sint16 nx, ny;
2279	object *	2076	object *tmp;
2280	tmp;
2281	maptile *	2077	maptile *mp;
2282	mp;
2283		2078
2284	MoveType blocked, move_type;	2079	MoveType blocked, move_type;
2285		2080
2286	if (exclude && exclude->head)	2081	if (exclude && exclude->head_ () != exclude)
2287	{	2082	{
2288	exclude = exclude->head;	2083	exclude = exclude->head;
2289	move_type = exclude->move_type;	2084	move_type = exclude->move_type;
2290	}	2085	}
2291	else	2086	else
…		…
2299	mp = m;	2094	mp = m;
2300	nx = x + freearr_x[i];	2095	nx = x + freearr_x[i];
2301	ny = y + freearr_y[i];	2096	ny = y + freearr_y[i];
2302		2097
2303	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2098	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2099
2304	if (mflags & P_OUT_OF_MAP)	2100	if (mflags & P_OUT_OF_MAP)
2305	{
2306	max = maxfree[i];	2101	max = maxfree[i];
2307	}
2308	else	2102	else
2309	{	2103	{
2310	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2104	mapspace &ms = mp->at (nx, ny);
		2105
		2106	blocked = ms.move_block;
2311		2107
2312	if ((move_type & blocked) == move_type)	2108	if ((move_type & blocked) == move_type)
2313	{
2314	max = maxfree[i];	2109	max = maxfree[i];
2315	}
2316	else if (mflags & P_IS_ALIVE)	2110	else if (mflags & P_IS_ALIVE)
2317	{	2111	{
2318	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2112	for (tmp = ms.bot; tmp; tmp = tmp->above)
2319	{	2113	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2320	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2114	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2321	{
2322	break;	2115	break;
2323	}	2116
2324	}
2325	if (tmp)	2117	if (tmp)
2326	{
2327	return freedir[i];	2118	return freedir[i];
2328	}
2329	}	2119	}
2330	}	2120	}
2331	}	2121	}
		2122
2332	return 0;	2123	return 0;
2333	}	2124	}
2334		2125
2335	/*	2126	/*
2336	* distance(object 1, object 2) will return the square of the	2127	* distance(object 1, object 2) will return the square of the
2337	* distance between the two given objects.	2128	* distance between the two given objects.
2338	*/	2129	*/
2339
2340	int	2130	int
2341	distance (const object *ob1, const object *ob2)	2131	distance (const object *ob1, const object *ob2)
2342	{	2132	{
2343	int
2344	i;
2345
2346	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2133	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2347	return i;
2348	}	2134	}
2349		2135
2350	/*	2136	/*
2351	* find_dir_2(delta-x,delta-y) will return a direction in which	2137	* find_dir_2(delta-x,delta-y) will return a direction in which
2352	* an object which has subtracted the x and y coordinates of another	2138	* an object which has subtracted the x and y coordinates of another
2353	* object, needs to travel toward it.	2139	* object, needs to travel toward it.
2354	*/	2140	*/
2355
2356	int	2141	int
2357	find_dir_2 (int x, int y)	2142	find_dir_2 (int x, int y)
2358	{	2143	{
2359	int	2144	int q;
2360	q;
2361		2145
2362	if (y)	2146	if (y)
2363	q = x * 100 / y;	2147	q = x * 100 / y;
2364	else if (x)	2148	else if (x)
2365	q = -300 * x;	2149	q = -300 * x;
…		…
2390		2174
2391	return 3;	2175	return 3;
2392	}	2176	}
2393		2177
2394	/*	2178	/*
2395	* absdir(int): Returns a number between 1 and 8, which represent
2396	* the "absolute" direction of a number (it actually takes care of
2397	* "overflow" in previous calculations of a direction).
2398	*/
2399
2400	int
2401	absdir (int d)
2402	{
2403	while (d < 1)
2404	d += 8;
2405	while (d > 8)
2406	d -= 8;
2407	return d;
2408	}
2409
2410	/*
2411	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2179	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2412	* between two directions (which are expected to be absolute (see absdir())	2180	* between two directions (which are expected to be absolute (see absdir())
2413	*/	2181	*/
2414
2415	int	2182	int
2416	dirdiff (int dir1, int dir2)	2183	dirdiff (int dir1, int dir2)
2417	{	2184	{
2418	int	2185	int d;
2419	d;
2420		2186
2421	d = abs (dir1 - dir2);	2187	d = abs (dir1 - dir2);
2422	if (d > 4)	2188	if (d > 4)
2423	d = 8 - d;	2189	d = 8 - d;
		2190
2424	return d;	2191	return d;
2425	}	2192	}
2426		2193
2427	/* peterm:	2194	/* peterm:
2428	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2195	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2431	* This basically means that if direction is 15, then it could either go	2198	* This basically means that if direction is 15, then it could either go
2432	* direction 4, 14, or 16 to get back to where we are.	2199	* direction 4, 14, or 16 to get back to where we are.
2433	* Moved from spell_util.c to object.c with the other related direction	2200	* Moved from spell_util.c to object.c with the other related direction
2434	* functions.	2201	* functions.
2435	*/	2202	*/
2436
2437	int
2438	reduction_dir[SIZEOFFREE][3] = {	2203	int reduction_dir[SIZEOFFREE][3] = {
2439	{0, 0, 0}, /* 0 */	2204	{0, 0, 0}, /* 0 */
2440	{0, 0, 0}, /* 1 */	2205	{0, 0, 0}, /* 1 */
2441	{0, 0, 0}, /* 2 */	2206	{0, 0, 0}, /* 2 */
2442	{0, 0, 0}, /* 3 */	2207	{0, 0, 0}, /* 3 */
2443	{0, 0, 0}, /* 4 */	2208	{0, 0, 0}, /* 4 */
…		…
2491	* find a path to that monster that we found. If not,	2256	* find a path to that monster that we found. If not,
2492	* we don't bother going toward it. Returns 1 if we	2257	* we don't bother going toward it. Returns 1 if we
2493	* can see a direct way to get it	2258	* can see a direct way to get it
2494	* Modified to be map tile aware -.MSW	2259	* Modified to be map tile aware -.MSW
2495	*/	2260	*/
2496
2497
2498	int	2261	int
2499	can_see_monsterP (maptile *m, int x, int y, int dir)	2262	can_see_monsterP (maptile *m, int x, int y, int dir)
2500	{	2263	{
2501	sint16 dx, dy;	2264	sint16 dx, dy;
2502	int
2503	mflags;	2265	int mflags;
2504		2266
2505	if (dir < 0)	2267	if (dir < 0)
2506	return 0; /* exit condition: invalid direction */	2268	return 0; /* exit condition: invalid direction */
2507		2269
2508	dx = x + freearr_x[dir];	2270	dx = x + freearr_x[dir];
…		…
2521	return 0;	2283	return 0;
2522		2284
2523	/* yes, can see. */	2285	/* yes, can see. */
2524	if (dir < 9)	2286	if (dir < 9)
2525	return 1;	2287	return 1;
		2288
2526	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2289	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2527	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2290	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2291	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2528	}	2292	}
2529
2530
2531		2293
2532	/*	2294	/*
2533	* can_pick(picker, item): finds out if an object is possible to be	2295	* can_pick(picker, item): finds out if an object is possible to be
2534	* picked up by the picker. Returnes 1 if it can be	2296	* picked up by the picker. Returnes 1 if it can be
2535	* picked up, otherwise 0.	2297	* picked up, otherwise 0.
…		…
2537	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2299	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2538	* core dumps if they do.	2300	* core dumps if they do.
2539	*	2301	*
2540	* Add a check so we can't pick up invisible objects (0.93.8)	2302	* Add a check so we can't pick up invisible objects (0.93.8)
2541	*/	2303	*/
2542
2543	int	2304	int
2544	can_pick (const object *who, const object *item)	2305	can_pick (const object *who, const object *item)
2545	{	2306	{
2546	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2307	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2547	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2308	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2548	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2309	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2549	}	2310	}
2550		2311
2551
2552	/*	2312	/*
2553	* create clone from object to another	2313	* create clone from object to another
2554	*/	2314	*/
2555	object *	2315	object *
2556	object_create_clone (object *asrc)	2316	object_create_clone (object *asrc)
2557	{	2317	{
2558	object *
2559	dst = NULL, *tmp, *src, *part, *prev, *item;	2318	object *dst = 0, *tmp, *src, *prev, *item;
2560		2319
2561	if (!asrc)	2320	if (!asrc)
2562	return NULL;	2321	return 0;
2563	src = asrc;	2322
2564	if (src->head)
2565	src = src->head;	2323	src = asrc->head_ ();
2566		2324
2567	prev = NULL;	2325	prev = 0;
2568	for (part = src; part; part = part->more)	2326	for (object *part = src; part; part = part->more)
2569	{	2327	{
2570	tmp = get_object ();	2328	tmp = part->clone ();
2571	copy_object (part, tmp);
2572	tmp->x -= src->x;	2329	tmp->x -= src->x;
2573	tmp->y -= src->y;	2330	tmp->y -= src->y;
		2331
2574	if (!part->head)	2332	if (!part->head)
2575	{	2333	{
2576	dst = tmp;	2334	dst = tmp;
2577	tmp->head = NULL;	2335	tmp->head = 0;
2578	}	2336	}
2579	else	2337	else
2580	{
2581	tmp->head = dst;	2338	tmp->head = dst;
2582	}	2339
2583	tmp->more = NULL;	2340	tmp->more = 0;
		2341
2584	if (prev)	2342	if (prev)
2585	prev->more = tmp;	2343	prev->more = tmp;
		2344
2586	prev = tmp;	2345	prev = tmp;
2587	}	2346	}
2588		2347
2589	for (item = src->inv; item; item = item->below)	2348	for (item = src->inv; item; item = item->below)
2590	insert_ob_in_ob (object_create_clone (item), dst);	2349	insert_ob_in_ob (object_create_clone (item), dst);
2591		2350
2592	return dst;	2351	return dst;
2593	}
2594
2595	/* GROS - Creates an object using a string representing its content. */
2596	/* Basically, we save the content of the string to a temp file, then call */
2597	/* load_object on it. I admit it is a highly inefficient way to make things, */
2598	/* but it was simple to make and allows reusing the load_object function. */
2599	/* Remember not to use load_object_str in a time-critical situation. */
2600	/* Also remember that multiparts objects are not supported for now. */
2601
2602	object *
2603	load_object_str (const char *obstr)
2604	{
2605	object *op;
2606	char filename[MAX_BUF];
2607
2608	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2609
2610	FILE *tempfile = fopen (filename, "w");
2611
2612	if (tempfile == NULL)
2613	{
2614	LOG (llevError, "Error - Unable to access load object temp file\n");
2615	return NULL;
2616	}
2617
2618	fprintf (tempfile, obstr);
2619	fclose (tempfile);
2620
2621	op = get_object ();
2622
2623	object_thawer thawer (filename);
2624
2625	if (thawer)
2626	load_object (thawer, op, 0);
2627
2628	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2629	CLEAR_FLAG (op, FLAG_REMOVED);
2630
2631	return op;
2632	}	2352	}
2633		2353
2634	/* This returns the first object in who's inventory that	2354	/* This returns the first object in who's inventory that
2635	* has the same type and subtype match.	2355	* has the same type and subtype match.
2636	* returns NULL if no match.	2356	* returns NULL if no match.
2637	*/	2357	*/
2638	object *	2358	object *
2639	find_obj_by_type_subtype (const object *who, int type, int subtype)	2359	find_obj_by_type_subtype (const object *who, int type, int subtype)
2640	{	2360	{
2641	object *tmp;
2642
2643	for (tmp = who->inv; tmp; tmp = tmp->below)	2361	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2644	if (tmp->type == type && tmp->subtype == subtype)	2362	if (tmp->type == type && tmp->subtype == subtype)
2645	return tmp;	2363	return tmp;
2646		2364
2647	return NULL;	2365	return 0;
2648	}	2366	}
2649		2367
2650	/* If ob has a field named key, return the link from the list,	2368	/* If ob has a field named key, return the link from the list,
2651	* otherwise return NULL.	2369	* otherwise return NULL.
2652	*	2370	*
…		…
2654	* do the desired thing.	2372	* do the desired thing.
2655	*/	2373	*/
2656	key_value *	2374	key_value *
2657	get_ob_key_link (const object *ob, const char *key)	2375	get_ob_key_link (const object *ob, const char *key)
2658	{	2376	{
2659	key_value *link;
2660
2661	for (link = ob->key_values; link != NULL; link = link->next)	2377	for (key_value *link = ob->key_values; link; link = link->next)
2662	if (link->key == key)	2378	if (link->key == key)
2663	return link;	2379	return link;
2664		2380
2665	return NULL;	2381	return 0;
2666	}	2382	}
2667		2383
2668	/*	2384	/*
2669	* Returns the value of op has an extra_field for key, or NULL.	2385	* Returns the value of op has an extra_field for key, or NULL.
2670	*	2386	*
…		…
2695	if (link->key == canonical_key)	2411	if (link->key == canonical_key)
2696	return link->value;	2412	return link->value;
2697		2413
2698	return 0;	2414	return 0;
2699	}	2415	}
2700
2701		2416
2702	/*	2417	/*
2703	* Updates the canonical_key in op to value.	2418	* Updates the canonical_key in op to value.
2704	*	2419	*
2705	* canonical_key is a shared string (value doesn't have to be).	2420	* canonical_key is a shared string (value doesn't have to be).
…		…
2710	* Returns TRUE on success.	2425	* Returns TRUE on success.
2711	*/	2426	*/
2712	int	2427	int
2713	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2428	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2714	{	2429	{
2715	key_value *
2716	field = NULL, *last = NULL;	2430	key_value *field = NULL, *last = NULL;
2717		2431
2718	for (field = op->key_values; field != NULL; field = field->next)	2432	for (field = op->key_values; field != NULL; field = field->next)
2719	{	2433	{
2720	if (field->key != canonical_key)	2434	if (field->key != canonical_key)
2721	{	2435	{
…		…
2730	/* Basically, if the archetype has this key set,	2444	/* Basically, if the archetype has this key set,
2731	* we need to store the null value so when we save	2445	* we need to store the null value so when we save
2732	* it, we save the empty value so that when we load,	2446	* it, we save the empty value so that when we load,
2733	* we get this value back again.	2447	* we get this value back again.
2734	*/	2448	*/
2735	if (get_ob_key_link (&op->arch->clone, canonical_key))	2449	if (get_ob_key_link (op->arch, canonical_key))
2736	field->value = 0;	2450	field->value = 0;
2737	else	2451	else
2738	{	2452	{
2739	if (last)	2453	if (last)
2740	last->next = field->next;	2454	last->next = field->next;
…		…
2749	/* IF we get here, key doesn't exist */	2463	/* IF we get here, key doesn't exist */
2750		2464
2751	/* No field, we'll have to add it. */	2465	/* No field, we'll have to add it. */
2752		2466
2753	if (!add_key)	2467	if (!add_key)
2754	{
2755	return FALSE;	2468	return FALSE;
2756	}	2469
2757	/* There isn't any good reason to store a null	2470	/* There isn't any good reason to store a null
2758	* value in the key/value list. If the archetype has	2471	* value in the key/value list. If the archetype has
2759	* this key, then we should also have it, so shouldn't	2472	* this key, then we should also have it, so shouldn't
2760	* be here. If user wants to store empty strings,	2473	* be here. If user wants to store empty strings,
2761	* should pass in ""	2474	* should pass in ""
…		…
2810	}	2523	}
2811	else	2524	else
2812	item = item->env;	2525	item = item->env;
2813	}	2526	}
2814		2527
		2528	const char *
		2529	object::flag_desc (char *desc, int len) const
		2530	{
		2531	char *p = desc;
		2532	bool first = true;
		2533
		2534	*p = 0;
		2535
		2536	for (int i = 0; i < NUM_FLAGS; i++)
		2537	{
		2538	if (len <= 10) // magic constant!
		2539	{
		2540	snprintf (p, len, ",...");
		2541	break;
		2542	}
		2543
		2544	if (flag [i])
		2545	{
		2546	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2547	len -= cnt;
		2548	p += cnt;
		2549	first = false;
		2550	}
		2551	}
		2552
		2553	return desc;
		2554	}
		2555
2815	// return a suitable string describing an objetc in enough detail to find it	2556	// return a suitable string describing an object in enough detail to find it
2816	const char *	2557	const char *
2817	object::debug_desc (char *info) const	2558	object::debug_desc (char *info) const
2818	{	2559	{
		2560	char flagdesc[512];
2819	char info2[256 * 3];	2561	char info2[256 * 4];
2820	char *p = info;	2562	char *p = info;
2821		2563
2822	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2564	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2823	count,	2565	count,
		2566	uuid.c_str (),
2824	&name,	2567	&name,
2825	title ? " " : "",	2568	title ? "\",title:\"" : "",
2826	title ? (const char *)title : "");	2569	title ? (const char *)title : "",
		2570	flag_desc (flagdesc, 512), type);
2827		2571
2828	if (env)	2572	if (!this->flag[FLAG_REMOVED] && env)
2829	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2573	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2830		2574
2831	if (map)	2575	if (map)
2832	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2576	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2833		2577
2834	return info;	2578	return info;
2835	}	2579	}
2836		2580
2837	const char *	2581	const char *
2838	object::debug_desc () const	2582	object::debug_desc () const
2839	{	2583	{
2840	static char info[256 * 3];	2584	static char info[3][256 * 4];
		2585	static int info_idx;
		2586
2841	return debug_desc (info);	2587	return debug_desc (info [++info_idx % 3]);
2842	}	2588	}
2843		2589
		2590	struct region *
		2591	object::region () const
		2592	{
		2593	return map ? map->region (x, y)
		2594	: region::default_region ();
		2595	}
		2596
		2597	const materialtype_t *
		2598	object::dominant_material () const
		2599	{
		2600	if (materialtype_t *mt = name_to_material (materialname))
		2601	return mt;
		2602
		2603	return name_to_material (shstr_unknown);
		2604	}
		2605
		2606	void
		2607	object::open_container (object *new_container)
		2608	{
		2609	if (container == new_container)
		2610	return;
		2611
		2612	if (object *old_container = container)
		2613	{
		2614	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2615	return;
		2616
		2617	#if 0
		2618	// remove the "Close old_container" object.
		2619	if (object *closer = old_container->inv)
		2620	if (closer->type == CLOSE_CON)
		2621	closer->destroy ();
		2622	#endif
		2623
		2624	old_container->flag [FLAG_APPLIED] = false;
		2625	container = 0;
		2626
		2627	esrv_update_item (UPD_FLAGS, this, old_container);
		2628	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2629	play_sound (sound_find ("chest_close"));
		2630	}
		2631
		2632	if (new_container)
		2633	{
		2634	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2635	return;
		2636
		2637	// TODO: this does not seem to serve any purpose anymore?
		2638	#if 0
		2639	// insert the "Close Container" object.
		2640	if (archetype *closer = new_container->other_arch)
		2641	{
		2642	object *closer = arch_to_object (new_container->other_arch);
		2643	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2644	new_container->insert (closer);
		2645	}
		2646	#endif
		2647
		2648	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2649
		2650	new_container->flag [FLAG_APPLIED] = true;
		2651	container = new_container;
		2652
		2653	esrv_update_item (UPD_FLAGS, this, new_container);
		2654	esrv_send_inventory (this, new_container);
		2655	play_sound (sound_find ("chest_open"));
		2656	}
		2657	}
		2658
		2659	object *
		2660	object::force_find (const shstr name)
		2661	{
		2662	/* cycle through his inventory to look for the MARK we want to
		2663	* place
		2664	*/
		2665	for (object *tmp = inv; tmp; tmp = tmp->below)
		2666	if (tmp->type == FORCE && tmp->slaying == name)
		2667	return splay (tmp);
		2668
		2669	return 0;
		2670	}
		2671
		2672	void
		2673	object::force_add (const shstr name, int duration)
		2674	{
		2675	if (object *force = force_find (name))
		2676	force->destroy ();
		2677
		2678	object *force = get_archetype (FORCE_NAME);
		2679
		2680	force->slaying = name;
		2681	force->stats.food = 1;
		2682	force->speed_left = -1.f;
		2683
		2684	force->set_speed (duration ? 1.f / duration : 0.f);
		2685	force->flag [FLAG_IS_USED_UP] = true;
		2686	force->flag [FLAG_APPLIED] = true;
		2687
		2688	insert (force);
		2689	}
		2690
		2691	void
		2692	object::play_sound (faceidx sound)
		2693	{
		2694	if (!sound)
		2695	return;
		2696
		2697	if (flag [FLAG_REMOVED])
		2698	return;
		2699
		2700	if (env)
		2701	{
		2702	if (object *pl = in_player ())
		2703	pl->contr->play_sound (sound);
		2704	}
		2705	else
		2706	map->play_sound (sound, x, y);
		2707	}
		2708

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines