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Comparing deliantra/server/common/object.C (file contents):
Revision 1.172 by root, Wed Aug 1 20:44:11 2007 UTC vs.
Revision 1.314 by root, Fri Mar 26 00:59:20 2010 UTC

1	/*	1	/*
2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* Crossfire TRT is free software: you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation, either version 3 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	19	* and the GNU General Public License along with this program. If not, see
		20	* <http://www.gnu.org/licenses/>.
20	*	21	*
21	* The authors can be reached via e-mail to <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	25	#include <global.h>
28	#include <stdio.h>	26	#include <stdio.h>
29	#include <sys/types.h>	27	#include <sys/types.h>
30	#include <sys/uio.h>	28	#include <sys/uio.h>
31	#include <object.h>	29	#include <object.h>
32	#include <funcpoint.h>
33	#include <sproto.h>	30	#include <sproto.h>
34	#include <loader.h>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	int nrofallocobjects = 0;	34	UUID UUID::cur;
39	static UUID uuid;	35	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
41		38
42	objectvec objects;	39	objectvec objects;
43	activevec actives;	40	activevec actives;
44		41
45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	42	//+GPL
		43
		44	short freearr_x[SIZEOFFREE] = {
		45	0,
		46	0, 1, 1, 1, 0, -1, -1, -1,
		47	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	48	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
47	};	49	};
48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	50	short freearr_y[SIZEOFFREE] = {
		51	0,
		52	-1, -1, 0, 1, 1, 1, 0, -1,
		53	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
49	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	54	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50	};
51	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,
52	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
53	};	55	};
54	int freedir[SIZEOFFREE] = {	56	int freedir[SIZEOFFREE] = {
55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	57	0,
		58	1, 2, 3, 4, 5, 6, 7, 8,
		59	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	60	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
57	};	61	};
58		62
		63	static int maxfree[SIZEOFFREE] = {
		64	0,
		65	9, 10, 13, 14, 17, 18, 21, 22,
		66	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		67	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		68	};
		69
59	static void	70	static void
60	write_uuid (void)	71	write_uuid (uval64 skip, bool sync)
61	{	72	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	73	CALL_BEGIN (2);
63		74	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	75	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	76	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		77	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	78	}
79		79
80	static void	80	static void
81	read_uuid (void)	81	read_uuid ()
82	{	82	{
83	char filename[MAX_BUF];	83	char filename[MAX_BUF];
84		84
85	sprintf (filename, "%s/uuid", settings.localdir);	85	sprintf (filename, "%s/uuid", settings.localdir);
		86
		87	seq_next_save = 0;
86		88
87	FILE *fp;	89	FILE *fp;
88		90
89	if (!(fp = fopen (filename, "r")))	91	if (!(fp = fopen (filename, "r")))
90	{	92	{
91	if (errno == ENOENT)	93	if (errno == ENOENT)
92	{	94	{
93	LOG (llevInfo, "RESET uid to 1\n");	95	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	96	UUID::cur.seq = 0;
95	write_uuid ();	97	write_uuid (UUID_GAP, true);
96	return;	98	return;
97	}	99	}
98		100
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	101	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	102	_exit (1);
101	}	103	}
102		104
103	int version;	105	char buf [UUID::MAX_LEN];
104	unsigned long long uid;	106	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	107	fgets (buf, sizeof (buf), fp);
		108
		109	if (!UUID::cur.parse (buf))
106	{	110	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	111	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	112	_exit (1);
109	}	113	}
110		114
111	uuid.seq = uid;	115	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	116
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	117	write_uuid (UUID_GAP, true);
114	fclose (fp);	118	fclose (fp);
115	}	119	}
116		120
117	UUID	121	UUID
118	gen_uuid ()	122	UUID::gen ()
119	{	123	{
120	UUID uid;	124	UUID uid;
121		125
122	uid.seq = ++uuid.seq;	126	uid.seq = ++cur.seq;
123		127
124	if (!(uuid.seq & (UUID_SKIP - 1)))	128	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	129	{
		130	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		131	write_uuid (UUID_GAP, false);
		132	}
		133
126		134
127	return uid;	135	return uid;
128	}	136	}
129		137
130	void	138	void
131	init_uuid ()	139	UUID::init ()
132	{	140	{
133	read_uuid ();	141	read_uuid ();
134	}	142	}
135		143
		144	bool
		145	UUID::parse (const char *s)
		146	{
		147	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		148	return false;
		149
		150	seq = 0;
		151
		152	while (*s != '>')
		153	{
		154	if (*s < '0')
		155	return false;
		156
		157	// this gives nice branchless code with gcc
		158	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		159	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		160
		161	seq = (seq << 4) | digit;
		162
		163	++s;
		164	}
		165
		166	return true;
		167	}
		168
		169	char *
		170	UUID::append (char *buf) const
		171	{
		172	*buf++ = '<';
		173	*buf++ = '1';
		174	*buf++ = '.';
		175
		176	uint64_t seq = this->seq;
		177	const int bits = 64;
		178	char nz = 0;
		179	static const char tohex [] = "0123456789abcdef";
		180
		181	// assert (len >= 3 + bits / 4 + 1 + 1);
		182	for (int i = bits / 4; --i; )
		183	{
		184	uint8_t digit = seq >> (bits - 4);
		185
		186	*buf = tohex [digit];
		187	nz |= digit;
		188	buf += nz ? 1 : 0;
		189	seq <<= 4;
		190	}
		191
		192	// last digit is special - always emit
		193	uint8_t digit = seq >> (bits - 4);
		194	*buf++ = tohex [digit];
		195
		196	*buf++ = '>';
		197
		198	return buf;
		199	}
		200
		201	char *
		202	UUID::c_str () const
		203	{
		204	static char buf [MAX_LEN];
		205	*append (buf) = 0;
		206	return buf;
		207	}
		208
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	209	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	210	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	211	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	212	{
140	key_value *wants_field;
141
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	213	/* n-squared behaviour (see kv_get), but I'm hoping both
143	* objects with lists are rare, and lists stay short. If not, use a	214	* objects with lists are rare, and lists stay short. If not, use a
144	* different structure or at least keep the lists sorted...	215	* different structure or at least keep the lists sorted...
145	*/	216	*/
146		217
147	/* For each field in wants, */	218	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	219	for (key_value *kv = wants->key_values; kv; kv = kv->next)
149	{	220	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	221	return false;
151
152	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);
154
155	if (has_field == NULL)
156	{
157	/* No field with that name. */
158	return FALSE;
159	}
160
161	/* Found the matching field. */
162	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167
168	/* If we get here, we found a match. Now for the next field in wants. */
169	}
170		222
171	/* If we get here, every field in wants has a matching field in has. */	223	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	224	return true;
173	}	225	}
174		226
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	227	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	228	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	229	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	230	{
179	/* However, there may be fields in has which aren't partnered in wants,	231	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	232	* so we need to run the comparison *twice*. :(
181	*/	233	*/
182	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	234	return compare_ob_value_lists_one (ob1, ob2)
		235	&& compare_ob_value_lists_one (ob2, ob1);
183	}	236	}
184		237
185	/* Function examines the 2 objects given to it, and returns true if	238	/* Function examines the 2 objects given to it, and returns true if
186	* they can be merged together.	239	* they can be merged together.
187	*	240	*
…		…
194	* Improvements made with merge: Better checking on potion, and also	247	* Improvements made with merge: Better checking on potion, and also
195	* check weight	248	* check weight
196	*/	249	*/
197	bool object::can_merge_slow (object *ob1, object *ob2)	250	bool object::can_merge_slow (object *ob1, object *ob2)
198	{	251	{
199	/* A couple quicksanity checks */	252	/* A couple quick sanity checks */
200	if (ob1 == ob2	253	if (ob1 == ob2
201	|| ob1->type != ob2->type	254	|| ob1->type != ob2->type
202	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	255	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	256	|| ob1->name != ob2->name
		257	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
205	return 0;	258	return 0;
206		259
207	//TODO: this ain't working well, use nicer and correct overflow check
208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	260	/* Do not merge objects if nrof would overflow, assume nrof
209	* value could not be stored in a sint32 (which unfortunately sometimes is	261	* is always 0 .. 2**31-1 */
210	* used to store nrof).	262	if (ob1->nrof > 0x7fffffff - ob2->nrof)
211	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
213	return 0;	263	return 0;
214		264
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	265	/* If the objects have been identified, set the BEEN_APPLIED flag.
216	* This is to the comparison of the flags below will be OK. We	266	* This is to the comparison of the flags below will be OK. We
217	* just can't ignore the been applied or identified flags, as they	267	* just can't ignore the been applied or identified flags, as they
218	* are not equal - just if it has been identified, the been_applied	268	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	269	* flags lose any meaning.
220	*/	270	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	271	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	272	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		273
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	274	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	275	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		276
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	277	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	278	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	279	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	280	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	281	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	282	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	283	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	284	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	285	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	286	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	287	|| ob1->animation_id != ob2->animation_id
		288	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
241	|| ob1->client_type != ob2->client_type	289	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	290	|| ob1->material != ob2->material
243	|| ob1->lore != ob2->lore	291	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	292	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	293	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	294	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	295	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	296	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	297	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	298	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	299	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		300	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		301	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	302	return 0;
253		303
		304	if ((ob1->flag ^ ob2->flag)
		305	.reset (FLAG_INV_LOCKED)
		306	.reset (FLAG_REMOVED)
		307	.any ())
		308	return 0;
		309
254	/* This is really a spellbook check - really, we should	310	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	311	* not merge objects with real inventories, as splitting them
		312	* is hard.
256	*/	313	*/
257	if (ob1->inv || ob2->inv)	314	if (ob1->inv || ob2->inv)
258	{	315	{
259	/* if one object has inventory but the other doesn't, not equiv */	316	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	317	return 0; /* inventories differ in length */
261	return 0;
262		318
263	/* Now check to see if the two inventory objects could merge */	319	if (ob1->inv->below || ob2->inv->below)
		320	return 0; /* more than one object in inv */
		321
264	if (!object::can_merge (ob1->inv, ob2->inv))	322	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	323	return 0; /* inventory objects differ */
266		324
267	/* inventory ok - still need to check rest of this object to see	325	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	326	* if it is valid.
269	*/	327	*/
270	}	328	}
…		…
289	if (ob1->level != ob2->level)	347	if (ob1->level != ob2->level)
290	return 0;	348	return 0;
291	break;	349	break;
292	}	350	}
293		351
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	352	if (ob1->key_values || ob2->key_values)
295	{	353	{
296	/* At least one of these has key_values. */	354	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	355	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	356	return 0; /* One has fields, but the other one doesn't. */
299	return 0;	357
300	else if (!compare_ob_value_lists (ob1, ob2))	358	if (!compare_ob_value_lists (ob1, ob2))
301	return 0;	359	return 0;
302	}	360	}
303		361
304	if (ob1->self || ob2->self)	362	if (ob1->self || ob2->self)
305	{	363	{
306	ob1->optimise ();	364	ob1->optimise ();
307	ob2->optimise ();	365	ob2->optimise ();
308		366
309	if (ob1->self || ob2->self)	367	if (ob1->self || ob2->self)
		368	{
		369	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		370	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		371
		372	if (k1 != k2)
		373	return 0;
		374
		375	if (k1 == 0)
		376	return 1;
		377
310	if (!cfperl_can_merge (ob1, ob2))	378	if (!cfperl_can_merge (ob1, ob2))
311	return 0;	379	return 0;
		380	}
312	}	381	}
313		382
314	/* Everything passes, must be OK. */	383	/* Everything passes, must be OK. */
315	return 1;	384	return 1;
316	}	385	}
317		386
		387	// find player who can see this object
		388	object *
		389	object::visible_to () const
		390	{
		391	if (client_visible () && !flag [FLAG_REMOVED])
		392	{
		393	// see if we are in a container of sorts
		394	if (env)
		395	{
		396	// the player inventory itself is always visible
		397	if (env->is_player ())
		398	return env;
		399
		400	// else a player could have our env open
		401	object *envest = env->outer_env_or_self ();
		402
		403	// the player itself is always on a map, so we will find him here
		404	// even if our inv is in a player.
		405	if (envest->is_on_map ())
		406	if (object *pl = envest->ms ().player ())
		407	if (pl->container_ () == env)
		408	return pl;
		409	}
		410	else
		411	{
		412	// maybe there is a player standing on the same mapspace
		413	// this will catch the case where "this" is a player
		414	if (object *pl = ms ().player ())
		415	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		416	|| pl->container_ () == this)
		417	return pl;
		418	}
		419	}
		420
		421	return 0;
		422	}
		423
		424	// adjust weight per container type ("of holding")
		425	static sint32
		426	weight_adjust_for (object *op, sint32 weight)
		427	{
		428	return op->type == CONTAINER
		429	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		430	: weight;
		431	}
		432
318	/*	433	/*
		434	* adjust_weight(object, weight) adds the specified weight to an object,
		435	* and also updates how much the environment(s) is/are carrying.
		436	*/
		437	static void
		438	adjust_weight (object *op, sint32 weight)
		439	{
		440	while (op)
		441	{
		442	// adjust by actual difference to account for rounding errors
		443	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		444	weight = weight_adjust_for (op, op->carrying)
		445	- weight_adjust_for (op, op->carrying - weight);
		446
		447	if (!weight)
		448	return;
		449
		450	op->carrying += weight;
		451
		452	if (object *pl = op->visible_to ())
		453	if (pl != op) // player is handled lazily
		454	esrv_update_item (UPD_WEIGHT, pl, op);
		455
		456	op = op->env;
		457	}
		458	}
		459
		460	/*
319	* sum_weight() is a recursive function which calculates the weight	461	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	462	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	463	* containers are carrying, and sums it up.
322	*/	464	*/
323	long	465	void
324	sum_weight (object *op)	466	object::update_weight ()
325	{	467	{
326	long sum;	468	sint32 sum = 0;
327	object *inv;
328		469
329	for (sum = 0, inv = op->inv; inv; inv = inv->below)	470	for (object *op = inv; op; op = op->below)
330	{	471	{
331	if (inv->inv)	472	if (op->inv)
332	sum_weight (inv);	473	op->update_weight ();
333		474
334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	475	sum += op->total_weight ();
		476	}
		477
		478	sum = weight_adjust_for (this, sum);
		479
		480	if (sum != carrying)
335	}	481	{
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;	482	carrying = sum;
342		483
343	return sum;	484	if (object *pl = visible_to ())
		485	if (pl != this) // player is handled lazily
		486	esrv_update_item (UPD_WEIGHT, pl, this);
		487	}
344	}	488	}
345		489
346	/**	490	/*
347	* Return the outermost environment object for a given object.	491	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
348	*/
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	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
360	* Some error messages.
361	* The result of the dump is stored in the static global errmsg array.
362	*/	492	*/
363	char *	493	char *
364	dump_object (object *op)	494	dump_object (object *op)
365	{	495	{
366	if (!op)	496	if (!op)
…		…
369	object_freezer freezer;	499	object_freezer freezer;
370	op->write (freezer);	500	op->write (freezer);
371	return freezer.as_string ();	501	return freezer.as_string ();
372	}	502	}
373		503
374	/*	504	char *
375	* get_nearest_part(multi-object, object 2) returns the part of the	505	object::as_string ()
376	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.
378	*/
379
380	object *
381	get_nearest_part (object *op, const object *pl)
382	{	506	{
383	object *tmp, *closest;	507	return dump_object (this);
384	int last_dist, i;
385
386	if (op->more == NULL)
387	return op;
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;
391	return closest;
392	}	508	}
393		509
394	/*	510	/*
395	* Returns the object which has the count-variable equal to the argument.	511	* Returns the object which has the count-variable equal to the argument.
		512	* VERRRY slow.
396	*/	513	*/
397	object *	514	object *
398	find_object (tag_t i)	515	find_object (tag_t i)
399	{	516	{
400	for_all_objects (op)	517	for_all_objects (op)
…		…
403		520
404	return 0;	521	return 0;
405	}	522	}
406		523
407	/*	524	/*
		525	* Returns the object which has the uuid equal to the argument.
		526	* MOAR VERRRY slow.
		527	*/
		528
		529	object *
		530	find_object_uuid (UUID i)
		531	{
		532	for_all_objects (op)
		533	if (op->uuid == i)
		534	return op;
		535
		536	return 0;
		537	}
		538
		539	/*
408	* Returns the first object which has a name equal to the argument.	540	* Returns the first object which has a name equal to the argument.
409	* Used only by the patch command, but not all that useful.	541	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	542	* Enables features like "patch <name-of-other-player> food 999"
411	*/	543	*/
412	object *	544	object *
413	find_object_name (const char *str)	545	find_object_name (const char *str)
414	{	546	{
415	shstr_cmp str_ (str);	547	shstr_cmp str_ (str);
416	object *op;
417		548
		549	if (str_)
418	for_all_objects (op)	550	for_all_objects (op)
419	if (op->name == str_)	551	if (op->name == str_)
420	break;	552	return op;
421		553
422	return op;	554	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	555	}
430		556
431	/*	557	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	558	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	559	* skill and experience objects.
		560	* ACTUALLY NO! investigate! TODO
434	*/	561	*/
435	void	562	void
436	object::set_owner (object *owner)	563	object::set_owner (object *owner)
437	{	564	{
		565	// allow objects which own objects
438	if (!owner)	566	if (owner)
439	return;
440
441	/* next line added to allow objects which own objects */
442	/* Add a check for ownercounts in here, as I got into an endless loop
443	* with the fireball owning a poison cloud which then owned the
444	* fireball. I believe that was caused by one of the objects getting
445	* freed and then another object replacing it. Since the ownercounts
446	* didn't match, this check is valid and I believe that cause is valid.
447	*/
448	while (owner->owner)	567	while (owner->owner)
449	owner = owner->owner;	568	owner = owner->owner;
		569
		570	if (flag [FLAG_FREED])
		571	{
		572	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		573	return;
		574	}
450		575
451	this->owner = owner;	576	this->owner = owner;
452	}	577	}
453		578
454	int	579	int
…		…
496	update_stats ();	621	update_stats ();
497		622
498	new_draw_info_format (NDI_UNIQUE, 0, this,	623	new_draw_info_format (NDI_UNIQUE, 0, this,
499	"You try to balance all your items at once, "	624	"You try to balance all your items at once, "
500	"but the %s is just too much for your body. "	625	"but the %s is just too much for your body. "
501	"[You need to unapply some items first.]", &ob->name);	626	"[You need to unapply some items first - use the 'body' command to see "
		627	"how many items you cna wera on a specific body part.]", &ob->name);
502	return false;	628	return false;
503	}	629	}
504		630
505	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);	631	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
506	}	632	}
…		…
532	}	658	}
533		659
534	op->key_values = 0;	660	op->key_values = 0;
535	}	661	}
536		662
537	object &	663	/*
538	object::operator =(const object &src)	664	* copy_to first frees everything allocated by the dst object,
		665	* and then copies the contents of itself into the second
		666	* object, allocating what needs to be allocated. Basically, any
		667	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		668	* if the first object is freed, the pointers in the new object
		669	* will point at garbage.
		670	*/
		671	void
		672	object::copy_to (object *dst)
539	{	673	{
540	bool is_freed = flag [FLAG_FREED];	674	dst->remove ();
541	bool is_removed = flag [FLAG_REMOVED];
542
543	*(object_copy *)this = src;	675	*(object_copy *)dst = *this;
544
545	flag [FLAG_FREED] = is_freed;
546	flag [FLAG_REMOVED] = is_removed;	676	dst->flag [FLAG_REMOVED] = true;
547		677
548	/* Copy over key_values, if any. */	678	/* Copy over key_values, if any. */
549	if (src.key_values)	679	if (key_values)
550	{	680	{
551	key_value *tail = 0;	681	key_value *tail = 0;
552	key_values = 0;	682	dst->key_values = 0;
553		683
554	for (key_value *i = src.key_values; i; i = i->next)	684	for (key_value *i = key_values; i; i = i->next)
555	{	685	{
556	key_value *new_link = new key_value;	686	key_value *new_link = new key_value;
557		687
558	new_link->next = 0;	688	new_link->next = 0;
559	new_link->key = i->key;	689	new_link->key = i->key;
560	new_link->value = i->value;	690	new_link->value = i->value;
561		691
562	/* Try and be clever here, too. */	692	/* Try and be clever here, too. */
563	if (!key_values)	693	if (!dst->key_values)
564	{	694	{
565	key_values = new_link;	695	dst->key_values = new_link;
566	tail = new_link;	696	tail = new_link;
567	}	697	}
568	else	698	else
569	{	699	{
570	tail->next = new_link;	700	tail->next = new_link;
571	tail = new_link;	701	tail = new_link;
572	}	702	}
573	}	703	}
574	}	704	}
575	}
576		705
577	/*	706	dst->activate ();
578	* copy_to first frees everything allocated by the dst object,
579	* and then copies the contents of itself into the second
580	* object, allocating what needs to be allocated. Basically, any
581	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
582	* if the first object is freed, the pointers in the new object
583	* will point at garbage.
584	*/
585	void
586	object::copy_to (object *dst)
587	{
588	*dst = *this;
589
590	if (speed < 0)
591	dst->speed_left = speed_left - rndm ();
592
593	dst->set_speed (dst->speed);
594	}	707	}
595		708
596	void	709	void
597	object::instantiate ()	710	object::instantiate ()
598	{	711	{
599	if (!uuid.seq) // HACK	712	if (!uuid.seq) // HACK
600	uuid = gen_uuid ();	713	uuid = UUID::gen ();
601		714
		715	// TODO: unclean state changes, should nt be done in copy_to AND instantiate
		716	if (flag [FLAG_RANDOM_SPEED] && speed)
		717	speed_left = - speed - rndm (); // TODO animation
		718	else
602	speed_left = -0.1f;	719	speed_left = -1.;
		720
603	/* copy the body_info to the body_used - this is only really	721	/* copy the body_info to the body_used - this is only really
604	* need for monsters, but doesn't hurt to do it for everything.	722	* need for monsters, but doesn't hurt to do it for everything.
605	* by doing so, when a monster is created, it has good starting	723	* by doing so, when a monster is created, it has good starting
606	* values for the body_used info, so when items are created	724	* values for the body_used info, so when items are created
607	* for it, they can be properly equipped.	725	* for it, they can be properly equipped.
…		…
615	object *	733	object *
616	object::clone ()	734	object::clone ()
617	{	735	{
618	object *neu = create ();	736	object *neu = create ();
619	copy_to (neu);	737	copy_to (neu);
		738
		739	// TODO: unclean state changes, should not be done in clone AND instantiate
		740	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		741	neu->speed_left = - neu->speed - rndm (); // TODO animation
		742
		743	neu->map = map; // not copied by copy_to
620	return neu;	744	return neu;
621	}	745	}
622		746
623	/*	747	/*
624	* If an object with the IS_TURNABLE() flag needs to be turned due	748	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
641	* This function needs to be called whenever the speed of an object changes.	765	* This function needs to be called whenever the speed of an object changes.
642	*/	766	*/
643	void	767	void
644	object::set_speed (float speed)	768	object::set_speed (float speed)
645	{	769	{
646	if (flag [FLAG_FREED] && speed)
647	{
648	LOG (llevError, "Object %s is freed but has speed.\n", &name);
649	speed = 0;
650	}
651
652	this->speed = speed;	770	this->speed = speed;
653		771
654	if (has_active_speed ())	772	if (has_active_speed ())
655	activate ();	773	activate ();
656	else	774	else
…		…
675	* UP_OBJ_FACE: only the objects face has changed.	793	* UP_OBJ_FACE: only the objects face has changed.
676	*/	794	*/
677	void	795	void
678	update_object (object *op, int action)	796	update_object (object *op, int action)
679	{	797	{
680	if (op == NULL)	798	if (!op)
681	{	799	{
682	/* this should never happen */	800	/* this should never happen */
683	LOG (llevDebug, "update_object() called for NULL object.\n");	801	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
684	return;	802	return;
685	}	803	}
686		804
687	if (op->env)	805	if (!op->is_on_map ())
688	{	806	{
689	/* Animation is currently handled by client, so nothing	807	/* Animation is currently handled by client, so nothing
690	* to do in this case.	808	* to do in this case.
691	*/	809	*/
692	return;	810	return;
693	}	811	}
694
695	/* If the map is saving, don't do anything as everything is
696	* going to get freed anyways.
697	*/
698	if (!op->map || op->map->in_memory == MAP_SAVING)
699	return;
700		812
701	/* make sure the object is within map boundaries */	813	/* make sure the object is within map boundaries */
702	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	814	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
703	{	815	{
704	LOG (llevError, "update_object() called for object out of map!\n");	816	LOG (llevError, "update_object() called for object out of map!\n");
…		…
712		824
713	if (!(m.flags_ & P_UPTODATE))	825	if (!(m.flags_ & P_UPTODATE))
714	/* nop */;	826	/* nop */;
715	else if (action == UP_OBJ_INSERT)	827	else if (action == UP_OBJ_INSERT)
716	{	828	{
		829	#if 0
717	// this is likely overkill, TODO: revisit (schmorp)	830	// this is likely overkill, TODO: revisit (schmorp)
718	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	831	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
719	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	832	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
720	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	833	|| (op->is_player () && !(m.flags_ & P_PLAYER))
721	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	834	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
722	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	835	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
723	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	836	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
724	|| (m.move_on | op->move_on ) != m.move_on	837	|| (m.move_on | op->move_on ) != m.move_on
725	|| (m.move_off | op->move_off ) != m.move_off	838	|| (m.move_off | op->move_off ) != m.move_off
726	|| (m.move_slow | op->move_slow) != m.move_slow	839	|| (m.move_slow | op->move_slow) != m.move_slow
727	/* This isn't perfect, but I don't expect a lot of objects to	840	/* This isn't perfect, but I don't expect a lot of objects to
728	* to have move_allow right now.	841	* have move_allow right now.
729	*/	842	*/
730	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	843	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		844	m.invalidate ();
		845	#else
731	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	846	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
732	m.flags_ = 0;	847	m.invalidate ();
		848	#endif
733	}	849	}
734	/* if the object is being removed, we can't make intelligent	850	/* if the object is being removed, we can't make intelligent
735	* decisions, because remove_ob can't really pass the object	851	* decisions, because remove_ob can't really pass the object
736	* that is being removed.	852	* that is being removed.
737	*/	853	*/
738	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	854	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
739	m.flags_ = 0;	855	m.invalidate ();
740	else if (action == UP_OBJ_FACE)	856	else if (action == UP_OBJ_FACE)
741	/* Nothing to do for that case */ ;	857	/* Nothing to do for that case */ ;
742	else	858	else
743	LOG (llevError, "update_object called with invalid action: %d\n", action);	859	LOG (llevError, "update_object called with invalid action: %d\n", action);
744		860
…		…
748		864
749	object::object ()	865	object::object ()
750	{	866	{
751	SET_FLAG (this, FLAG_REMOVED);	867	SET_FLAG (this, FLAG_REMOVED);
752		868
753	expmul = 1.0;	869	//expmul = 1.0; declared const for the time being
754	face = blank_face;	870	face = blank_face;
		871	material = MATERIAL_NULL;
755	}	872	}
756		873
757	object::~object ()	874	object::~object ()
758	{	875	{
759	unlink ();	876	unlink ();
…		…
764	static int object_count;	881	static int object_count;
765		882
766	void object::link ()	883	void object::link ()
767	{	884	{
768	assert (!index);//D	885	assert (!index);//D
769	uuid = gen_uuid ();	886	uuid = UUID::gen ();
770	count = ++object_count;	887	count = ++object_count;
771		888
772	refcnt_inc ();	889	refcnt_inc ();
773	objects.insert (this);	890	objects.insert (this);
774	}	891	}
…		…
788	/* If already on active list, don't do anything */	905	/* If already on active list, don't do anything */
789	if (active)	906	if (active)
790	return;	907	return;
791		908
792	if (has_active_speed ())	909	if (has_active_speed ())
		910	{
		911	if (flag [FLAG_FREED])
		912	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		913
793	actives.insert (this);	914	actives.insert (this);
		915	}
794	}	916	}
795		917
796	void	918	void
797	object::activate_recursive ()	919	object::activate_recursive ()
798	{	920	{
…		…
847	object::destroy_inv (bool drop_to_ground)	969	object::destroy_inv (bool drop_to_ground)
848	{	970	{
849	// need to check first, because the checks below might segfault	971	// need to check first, because the checks below might segfault
850	// as we might be on an invalid mapspace and crossfire code	972	// as we might be on an invalid mapspace and crossfire code
851	// is too buggy to ensure that the inventory is empty.	973	// is too buggy to ensure that the inventory is empty.
852	// corollary: if you create arrows etc. with stuff in tis inventory,	974	// corollary: if you create arrows etc. with stuff in its inventory,
853	// cf will crash below with off-map x and y	975	// cf will crash below with off-map x and y
854	if (!inv)	976	if (!inv)
855	return;	977	return;
856		978
857	/* Only if the space blocks everything do we not process -	979	/* Only if the space blocks everything do we not process -
858	* if some form of movement is allowed, let objects	980	* if some form of movement is allowed, let objects
859	* drop on that space.	981	* drop on that space.
860	*/	982	*/
861	if (!drop_to_ground	983	if (!drop_to_ground
862	|| !map	984	|| !map
863	|| map->in_memory != MAP_IN_MEMORY	985	|| map->in_memory != MAP_ACTIVE
864	|| map->nodrop	986	|| map->no_drop
865	|| ms ().move_block == MOVE_ALL)	987	|| ms ().move_block == MOVE_ALL)
866	{	988	{
867	while (inv)	989	while (inv)
868	{
869	inv->destroy_inv (drop_to_ground);
870	inv->destroy ();	990	inv->destroy ();
871	}
872	}	991	}
873	else	992	else
874	{ /* Put objects in inventory onto this space */	993	{ /* Put objects in inventory onto this space */
875	while (inv)	994	while (inv)
876	{	995	{
…		…
894	object *op = new object;	1013	object *op = new object;
895	op->link ();	1014	op->link ();
896	return op;	1015	return op;
897	}	1016	}
898		1017
		1018	static struct freed_map : maptile
		1019	{
		1020	freed_map ()
		1021	{
		1022	path = "<freed objects map>";
		1023	name = "/internal/freed_objects_map";
		1024	width = 3;
		1025	height = 3;
		1026	no_drop = 1;
		1027	no_reset = 1;
		1028
		1029	alloc ();
		1030	in_memory = MAP_ACTIVE;
		1031	}
		1032
		1033	~freed_map ()
		1034	{
		1035	destroy ();
		1036	}
		1037	} freed_map; // freed objects are moved here to avoid crashes
		1038
899	void	1039	void
900	object::do_destroy ()	1040	object::do_destroy ()
901	{	1041	{
902	attachable::do_destroy ();
903
904	if (flag [FLAG_IS_LINKED])	1042	if (flag [FLAG_IS_LINKED])
905	remove_button_link (this);	1043	remove_link ();
906		1044
907	if (flag [FLAG_FRIENDLY])	1045	if (flag [FLAG_FRIENDLY])
908	remove_friendly_object (this);	1046	remove_friendly_object (this);
909		1047
910	if (!flag [FLAG_REMOVED])
911	remove ();	1048	remove ();
912		1049
913	destroy_inv (true);	1050	attachable::do_destroy ();
914		1051
915	deactivate ();	1052	deactivate ();
916	unlink ();	1053	unlink ();
917		1054
918	flag [FLAG_FREED] = 1;	1055	flag [FLAG_FREED] = 1;
919		1056
920	// hack to ensure that freed objects still have a valid map	1057	// hack to ensure that freed objects still have a valid map
921	{
922	static maptile *freed_map; // freed objects are moved here to avoid crashes
923
924	if (!freed_map)
925	{
926	freed_map = new maptile;
927
928	freed_map->name = "/internal/freed_objects_map";
929	freed_map->width = 3;
930	freed_map->height = 3;
931
932	freed_map->alloc ();
933	freed_map->in_memory = MAP_IN_MEMORY;
934	}
935
936	map = freed_map;	1058	map = &freed_map;
937	x = 1;	1059	x = 1;
938	y = 1;	1060	y = 1;
939	}
940		1061
941	if (more)	1062	if (more)
942	{	1063	{
943	more->destroy ();	1064	more->destroy ();
944	more = 0;	1065	more = 0;
…		…
952	attacked_by = 0;	1073	attacked_by = 0;
953	current_weapon = 0;	1074	current_weapon = 0;
954	}	1075	}
955		1076
956	void	1077	void
957	object::destroy (bool destroy_inventory)	1078	object::destroy ()
958	{	1079	{
959	if (destroyed ())	1080	if (destroyed ())
960	return;	1081	return;
961		1082
962	if (destroy_inventory)	1083	if (!is_head () && !head->destroyed ())
		1084	{
		1085	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1086	head->destroy ();
		1087	return;
		1088	}
		1089
963	destroy_inv (false);	1090	destroy_inv (false);
964		1091
		1092	if (is_head ())
965	if (sound_destroy)	1093	if (sound_destroy)
966	play_sound (sound_destroy);	1094	play_sound (sound_destroy);
967	else if (flag [FLAG_MONSTER])	1095	else if (flag [FLAG_MONSTER])
968	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism	1096	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
969		1097
970	attachable::destroy ();	1098	attachable::destroy ();
971	}
972
973	/*
974	* sub_weight() recursively (outwards) subtracts a number from the
975	* weight of an object (and what is carried by it's environment(s)).
976	*/
977	void
978	sub_weight (object *op, signed long weight)
979	{
980	while (op != NULL)
981	{
982	if (op->type == CONTAINER)
983	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
984
985	op->carrying -= weight;
986	op = op->env;
987	}
988	}	1099	}
989		1100
990	/* op->remove ():	1101	/* op->remove ():
991	* This function removes the object op from the linked list of objects	1102	* This function removes the object op from the linked list of objects
992	* which it is currently tied to. When this function is done, the	1103	* which it is currently tied to. When this function is done, the
…		…
995	* the previous environment.	1106	* the previous environment.
996	*/	1107	*/
997	void	1108	void
998	object::do_remove ()	1109	object::do_remove ()
999	{	1110	{
1000	object *tmp, *last = 0;	1111	if (flag [FLAG_REMOVED])
1001	object *otmp;
1002
1003	if (QUERY_FLAG (this, FLAG_REMOVED))
1004	return;	1112	return;
1005		1113
1006	SET_FLAG (this, FLAG_REMOVED);
1007	INVOKE_OBJECT (REMOVE, this);	1114	INVOKE_OBJECT (REMOVE, this);
		1115
		1116	flag [FLAG_REMOVED] = true;
1008		1117
1009	if (more)	1118	if (more)
1010	more->remove ();	1119	more->remove ();
1011		1120
1012	/*	1121	/*
1013	* In this case, the object to be removed is in someones	1122	* In this case, the object to be removed is in someones
1014	* inventory.	1123	* inventory.
1015	*/	1124	*/
1016	if (env)	1125	if (env)
1017	{	1126	{
1018	if (nrof)	1127	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1019	sub_weight (env, weight * nrof);	1128	if (object *pl = visible_to ())
1020	else	1129	esrv_del_item (pl->contr, count);
1021	sub_weight (env, weight + carrying);	1130	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1022		1131
1023	/* NO_FIX_PLAYER is set when a great many changes are being	1132	adjust_weight (env, -total_weight ());
1024	* made to players inventory. If set, avoiding the call
1025	* to save cpu time.
1026	*/
1027	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1028	otmp->update_stats ();
1029		1133
1030	if (above)	1134	object *pl = in_player ();
1031	above->below = below;
1032	else
1033	env->inv = below;
1034
1035	if (below)
1036	below->above = above;
1037		1135
1038	/* we set up values so that it could be inserted into	1136	/* we set up values so that it could be inserted into
1039	* the map, but we don't actually do that - it is up	1137	* the map, but we don't actually do that - it is up
1040	* to the caller to decide what we want to do.	1138	* to the caller to decide what we want to do.
1041	*/	1139	*/
1042	x = env->x, y = env->y;
1043	map = env->map;	1140	map = env->map;
1044	above = 0, below = 0;	1141	x = env->x;
		1142	y = env->y;
		1143
		1144	// make sure cmov optimisation is applicable
		1145	*(above ? &above->below : &env->inv) = below;
		1146	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1147
		1148	above = 0;
		1149	below = 0;
1045	env = 0;	1150	env = 0;
		1151
		1152	if (pl && pl->is_player ())
		1153	{
		1154	pl->contr->queue_stats_update ();
		1155
		1156	if (glow_radius && pl->is_on_map ())
		1157	update_all_los (pl->map, pl->x, pl->y);
		1158	}
1046	}	1159	}
1047	else if (map)	1160	else if (map)
1048	{	1161	{
1049	if (type == PLAYER)
1050	{
1051	// leaving a spot always closes any open container on the ground
1052	if (container && !container->env)
1053	// this causes spurious floorbox updates, but it ensures
1054	// that the CLOSE event is being sent.
1055	close_container ();
1056
1057	--map->players;
1058	map->touch ();
1059	}
1060
1061	map->dirty = true;	1162	map->dirty = true;
1062	mapspace &ms = this->ms ();	1163	mapspace &ms = this->ms ();
1063		1164
		1165	if (object *pl = ms.player ())
		1166	{
		1167	if (is_player ())
		1168	{
		1169	if (!flag [FLAG_WIZPASS])
		1170	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1171
		1172	// leaving a spot always closes any open container on the ground
		1173	if (container && !container->env)
		1174	// this causes spurious floorbox updates, but it ensures
		1175	// that the CLOSE event is being sent.
		1176	close_container ();
		1177
		1178	--map->players;
		1179	map->touch ();
		1180	}
		1181	else if (pl->container_ () == this)
		1182	{
		1183	// removing a container should close it
		1184	close_container ();
		1185	}
		1186
		1187	esrv_del_item (pl->contr, count);
		1188	}
		1189
1064	/* link the object above us */	1190	/* link the object above us */
1065	if (above)	1191	// re-link, make sure compiler can easily use cmove
1066	above->below = below;	1192	*(above ? &above->below : &ms.top) = below;
1067	else	1193	*(below ? &below->above : &ms.bot) = above;
1068	ms.top = below; /* we were top, set new top */
1069
1070	/* Relink the object below us, if there is one */
1071	if (below)
1072	below->above = above;
1073	else
1074	{
1075	/* Nothing below, which means we need to relink map object for this space
1076	* use translated coordinates in case some oddness with map tiling is
1077	* evident
1078	*/
1079	if (GET_MAP_OB (map, x, y) != this)
1080	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 ());
1081
1082	ms.bot = above; /* goes on above it. */
1083	}
1084		1194
1085	above = 0;	1195	above = 0;
1086	below = 0;	1196	below = 0;
1087		1197
		1198	ms.invalidate ();
		1199
1088	if (map->in_memory == MAP_SAVING)	1200	if (map->in_memory == MAP_SAVING)
1089	return;	1201	return;
1090		1202
1091	int check_walk_off = !flag [FLAG_NO_APPLY];	1203	int check_walk_off = !flag [FLAG_NO_APPLY];
1092		1204
1093	for (tmp = ms.bot; tmp; tmp = tmp->above)	1205	if (object *pl = ms.player ())
1094	{	1206	{
1095	/* No point updating the players look faces if he is the object	1207	if (pl->container_ () == this)
1096	* being removed.
1097	*/
1098
1099	if (tmp->type == PLAYER && tmp != this)
1100	{
1101	/* If a container that the player is currently using somehow gets	1208	/* If a container that the player is currently using somehow gets
1102	* removed (most likely destroyed), update the player view	1209	* removed (most likely destroyed), update the player view
1103	* appropriately.	1210	* appropriately.
1104	*/	1211	*/
1105	if (tmp->container == this)	1212	pl->close_container ();
1106	{
1107	flag [FLAG_APPLIED] = 0;
1108	tmp->container = 0;
1109	}
1110		1213
		1214	//TODO: the floorbox prev/next might need updating
		1215	//esrv_del_item (pl->contr, count);
		1216	//TODO: update floorbox to preserve ordering
1111	if (tmp->contr->ns)	1217	if (pl->contr->ns)
1112	tmp->contr->ns->floorbox_update ();	1218	pl->contr->ns->floorbox_update ();
		1219	}
		1220
		1221	if (check_walk_off)
		1222	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1223	{
		1224	above = tmp->above;
		1225
		1226	/* No point updating the players look faces if he is the object
		1227	* being removed.
1113	}	1228	*/
1114		1229
1115	/* See if object moving off should effect something */	1230	/* See if object moving off should effect something */
1116	if (check_walk_off
1117	&& ((move_type & tmp->move_off)	1231	if ((move_type & tmp->move_off)
1118	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1232	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1119	{
1120	move_apply (tmp, this, 0);	1233	move_apply (tmp, this, 0);
1121
1122	if (destroyed ())
1123	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1124	}	1234	}
1125		1235
1126	last = tmp;	1236	if (affects_los ())
1127	}
1128
1129	/* last == NULL if there are no objects on this space */
1130	//TODO: this makes little sense, why only update the topmost object?
1131	if (!last)
1132	map->at (x, y).flags_ = 0;
1133	else
1134	update_object (last, UP_OBJ_REMOVE);
1135
1136	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1137	update_all_los (map, x, y);	1237	update_all_los (map, x, y);
1138	}	1238	}
1139	}	1239	}
1140		1240
1141	/*	1241	/*
…		…
1150	merge_ob (object *op, object *top)	1250	merge_ob (object *op, object *top)
1151	{	1251	{
1152	if (!op->nrof)	1252	if (!op->nrof)
1153	return 0;	1253	return 0;
1154		1254
1155	if (top)	1255	if (!top)
1156	for (top = op; top && top->above; top = top->above)	1256	for (top = op; top && top->above; top = top->above)
1157	;	1257	;
1158		1258
1159	for (; top; top = top->below)	1259	for (; top; top = top->below)
1160	{
1161	if (top == op)
1162	continue;
1163
1164	if (object::can_merge (op, top))	1260	if (object::can_merge (op, top))
1165	{	1261	{
1166	top->nrof += op->nrof;	1262	top->nrof += op->nrof;
1167		1263
1168	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1264	if (object *pl = top->visible_to ())
1169	op->weight = 0; /* Don't want any adjustements now */	1265	esrv_update_item (UPD_NROF, pl, top);
		1266
		1267	op->weight = 0; // cancel the addition above
		1268	op->carrying = 0; // must be 0 already
		1269
1170	op->destroy ();	1270	op->destroy ();
		1271
1171	return top;	1272	return top;
1172	}	1273	}
1173	}
1174		1274
1175	return 0;	1275	return 0;
1176	}	1276	}
1177		1277
1178	void	1278	void
…		…
1183		1283
1184	object *prev = this;	1284	object *prev = this;
1185		1285
1186	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1286	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1187	{	1287	{
1188	object *op = arch_to_object (at);	1288	object *op = at->instance ();
1189		1289
1190	op->name = name;	1290	op->name = name;
1191	op->name_pl = name_pl;	1291	op->name_pl = name_pl;
1192	op->title = title;	1292	op->title = title;
1193		1293
…		…
1203	* job preparing multi-part monsters.	1303	* job preparing multi-part monsters.
1204	*/	1304	*/
1205	object *	1305	object *
1206	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1306	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1207	{	1307	{
		1308	op->remove ();
		1309
1208	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1310	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1209	{	1311	{
1210	tmp->x = x + tmp->arch->x;	1312	tmp->x = x + tmp->arch->x;
1211	tmp->y = y + tmp->arch->y;	1313	tmp->y = y + tmp->arch->y;
1212	}	1314	}
…		…
1229	* Passing 0 for flag gives proper default values, so flag really only needs	1331	* Passing 0 for flag gives proper default values, so flag really only needs
1230	* to be set if special handling is needed.	1332	* to be set if special handling is needed.
1231	*	1333	*
1232	* Return value:	1334	* Return value:
1233	* new object if 'op' was merged with other object	1335	* new object if 'op' was merged with other object
1234	* NULL if 'op' was destroyed	1336	* NULL if there was an error (destroyed, blocked etc.)
1235	* just 'op' otherwise	1337	* just 'op' otherwise
1236	*/	1338	*/
1237	object *	1339	object *
1238	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1340	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1239	{	1341	{
1240	assert (!op->flag [FLAG_FREED]);
1241
1242	object *top, *floor = NULL;
1243
1244	op->remove ();	1342	op->remove ();
1245		1343
1246	#if 0	1344	if (m == &freed_map)//D TODO: remove soon
1247	if (!m->active != !op->active)
1248	if (m->active)
1249	op->activate_recursive ();
1250	else
1251	op->deactivate_recursive ();
1252	#endif
1253
1254	if (out_of_map (m, op->x, op->y))
1255	{	1345	{//D
1256	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());	1346	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1257	#ifdef MANY_CORES
1258	/* Better to catch this here, as otherwise the next use of this object
1259	* is likely to cause a crash. Better to find out where it is getting
1260	* improperly inserted.
1261	*/
1262	abort ();
1263	#endif
1264	return op;
1265	}	1347	}//D
1266
1267	if (object *more = op->more)
1268	if (!insert_ob_in_map (more, m, originator, flag))
1269	return 0;
1270
1271	CLEAR_FLAG (op, FLAG_REMOVED);
1272		1348
1273	/* Ideally, the caller figures this out. However, it complicates a lot	1349	/* Ideally, the caller figures this out. However, it complicates a lot
1274	* of areas of callers (eg, anything that uses find_free_spot would now	1350	* of areas of callers (eg, anything that uses find_free_spot would now
1275	* need extra work	1351	* need extra work
1276	*/	1352	*/
		1353	maptile *newmap = m;
1277	if (!xy_normalise (m, op->x, op->y))	1354	if (!xy_normalise (newmap, op->x, op->y))
		1355	{
		1356	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1278	return 0;	1357	return 0;
		1358	}
1279		1359
		1360	if (object *more = op->more)
		1361	if (!insert_ob_in_map (more, m, originator, flag))
		1362	return 0;
		1363
		1364	op->flag [FLAG_REMOVED] = false;
		1365	op->env = 0;
1280	op->map = m;	1366	op->map = newmap;
		1367
1281	mapspace &ms = op->ms ();	1368	mapspace &ms = op->ms ();
1282		1369
1283	/* this has to be done after we translate the coordinates.	1370	/* this has to be done after we translate the coordinates.
1284	*/	1371	*/
1285	if (op->nrof && !(flag & INS_NO_MERGE))	1372	if (op->nrof && !(flag & INS_NO_MERGE))
1286	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1373	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1287	if (object::can_merge (op, tmp))	1374	if (object::can_merge (op, tmp))
1288	{	1375	{
		1376	// TODO: we actually want to update tmp, not op,
		1377	// but some caller surely breaks when we return tmp
		1378	// from here :/
1289	op->nrof += tmp->nrof;	1379	op->nrof += tmp->nrof;
1290	tmp->destroy ();	1380	tmp->destroy ();
1291	}	1381	}
1292		1382
1293	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1383	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1302	{	1392	{
1303	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1393	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1304	abort ();	1394	abort ();
1305	}	1395	}
1306		1396
		1397	if (!originator->is_on_map ())
		1398	{
		1399	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1400	op->debug_desc (), originator->debug_desc ());
		1401	abort ();
		1402	}
		1403
1307	op->above = originator;	1404	op->above = originator;
1308	op->below = originator->below;	1405	op->below = originator->below;
1309
1310	if (op->below)
1311	op->below->above = op;
1312	else
1313	ms.bot = op;
1314
1315	/* since *below* originator, no need to update top */
1316	originator->below = op;	1406	originator->below = op;
		1407
		1408	*(op->below ? &op->below->above : &ms.bot) = op;
1317	}	1409	}
1318	else	1410	else
1319	{	1411	{
1320	top = ms.bot;	1412	object *floor = 0;
		1413	object *top = ms.top;
1321		1414
1322	/* If there are other objects, then */	1415	/* If there are other objects, then */
1323	if ((!(flag & INS_MAP_LOAD)) && top)	1416	if (top)
1324	{	1417	{
1325	object *last = 0;
1326
1327	/*	1418	/*
1328	* If there are multiple objects on this space, we do some trickier handling.	1419	* If there are multiple objects on this space, we do some trickier handling.
1329	* We've already dealt with merging if appropriate.	1420	* We've already dealt with merging if appropriate.
1330	* Generally, we want to put the new object on top. But if	1421	* Generally, we want to put the new object on top. But if
1331	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1422	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1334	* once we get to them. This reduces the need to traverse over all of	1425	* once we get to them. This reduces the need to traverse over all of
1335	* them when adding another one - this saves quite a bit of cpu time	1426	* them when adding another one - this saves quite a bit of cpu time
1336	* when lots of spells are cast in one area. Currently, it is presumed	1427	* when lots of spells are cast in one area. Currently, it is presumed
1337	* that flying non pickable objects are spell objects.	1428	* that flying non pickable objects are spell objects.
1338	*/	1429	*/
1339	for (top = ms.bot; top; top = top->above)	1430	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1340	{	1431	{
1341	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1432	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1342	floor = top;	1433	floor = tmp;
1343		1434
1344	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1435	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1345	{	1436	{
1346	/* We insert above top, so we want this object below this */	1437	/* We insert above top, so we want this object below this */
1347	top = top->below;	1438	top = tmp->below;
1348	break;	1439	break;
1349	}	1440	}
1350		1441
1351	last = top;	1442	top = tmp;
1352	}	1443	}
1353
1354	/* Don't want top to be NULL, so set it to the last valid object */
1355	top = last;
1356		1444
1357	/* We let update_position deal with figuring out what the space	1445	/* We let update_position deal with figuring out what the space
1358	* looks like instead of lots of conditions here.	1446	* looks like instead of lots of conditions here.
1359	* makes things faster, and effectively the same result.	1447	* makes things faster, and effectively the same result.
1360	*/	1448	*/
…		…
1367	*/	1455	*/
1368	if (!(flag & INS_ON_TOP)	1456	if (!(flag & INS_ON_TOP)
1369	&& ms.flags () & P_BLOCKSVIEW	1457	&& ms.flags () & P_BLOCKSVIEW
1370	&& (op->face && !faces [op->face].visibility))	1458	&& (op->face && !faces [op->face].visibility))
1371	{	1459	{
		1460	object *last;
		1461
1372	for (last = top; last != floor; last = last->below)	1462	for (last = top; last != floor; last = last->below)
1373	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1463	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1374	break;	1464	break;
1375		1465
1376	/* Check to see if we found the object that blocks view,	1466	/* Check to see if we found the object that blocks view,
…		…
1380	*/	1470	*/
1381	if (last && last->below && last != floor)	1471	if (last && last->below && last != floor)
1382	top = last->below;	1472	top = last->below;
1383	}	1473	}
1384	} /* If objects on this space */	1474	} /* If objects on this space */
1385	if (flag & INS_MAP_LOAD)
1386	top = ms.top;
1387		1475
1388	if (flag & INS_ABOVE_FLOOR_ONLY)	1476	if (flag & INS_ABOVE_FLOOR_ONLY)
1389	top = floor;	1477	top = floor;
1390		1478
1391	/* Top is the object that our object (op) is going to get inserted above.	1479	// insert object above top, or bottom-most if top = 0
1392	*/
1393
1394	/* First object on this space */
1395	if (!top)	1480	if (!top)
1396	{	1481	{
		1482	op->below = 0;
1397	op->above = ms.bot;	1483	op->above = ms.bot;
1398
1399	if (op->above)
1400	op->above->below = op;
1401
1402	op->below = 0;
1403	ms.bot = op;	1484	ms.bot = op;
		1485
		1486	*(op->above ? &op->above->below : &ms.top) = op;
1404	}	1487	}
1405	else	1488	else
1406	{ /* get inserted into the stack above top */	1489	{
1407	op->above = top->above;	1490	op->above = top->above;
1408
1409	if (op->above)
1410	op->above->below = op;	1491	top->above = op;
1411		1492
1412	op->below = top;	1493	op->below = top;
1413	top->above = op;	1494	*(op->above ? &op->above->below : &ms.top) = op;
1414	}	1495	}
		1496	}
1415		1497
1416	if (!op->above)	1498	if (op->is_player ())
1417	ms.top = op;
1418	} /* else not INS_BELOW_ORIGINATOR */
1419
1420	if (op->type == PLAYER)
1421	{	1499	{
1422	op->contr->do_los = 1;	1500	op->contr->do_los = 1;
1423	++op->map->players;	1501	++op->map->players;
1424	op->map->touch ();	1502	op->map->touch ();
1425	}	1503	}
1426		1504
1427	op->map->dirty = true;	1505	op->map->dirty = true;
1428		1506
1429	/* If we have a floor, we know the player, if any, will be above
1430	* it, so save a few ticks and start from there.
1431	*/
1432	if (!(flag & INS_MAP_LOAD))
1433	if (object *pl = ms.player ())	1507	if (object *pl = ms.player ())
		1508	//TODO: the floorbox prev/next might need updating
		1509	//esrv_send_item (pl, op);
		1510	//TODO: update floorbox to preserve ordering
1434	if (pl->contr->ns)	1511	if (pl->contr->ns)
1435	pl->contr->ns->floorbox_update ();	1512	pl->contr->ns->floorbox_update ();
1436		1513
1437	/* If this object glows, it may affect lighting conditions that are	1514	/* If this object glows, it may affect lighting conditions that are
1438	* visible to others on this map. But update_all_los is really	1515	* visible to others on this map. But update_all_los is really
1439	* an inefficient way to do this, as it means los for all players	1516	* an inefficient way to do this, as it means los for all players
1440	* on the map will get recalculated. The players could very well	1517	* on the map will get recalculated. The players could very well
1441	* be far away from this change and not affected in any way -	1518	* be far away from this change and not affected in any way -
1442	* this should get redone to only look for players within range,	1519	* this should get redone to only look for players within range,
1443	* or just updating the P_UPTODATE for spaces within this area	1520	* or just updating the P_UPTODATE for spaces within this area
1444	* of effect may be sufficient.	1521	* of effect may be sufficient.
1445	*/	1522	*/
1446	if (op->map->darkness && (op->glow_radius != 0))	1523	if (op->affects_los ())
		1524	{
		1525	op->ms ().invalidate ();
1447	update_all_los (op->map, op->x, op->y);	1526	update_all_los (op->map, op->x, op->y);
		1527	}
1448		1528
1449	/* updates flags (blocked, alive, no magic, etc) for this map space */	1529	/* updates flags (blocked, alive, no magic, etc) for this map space */
1450	update_object (op, UP_OBJ_INSERT);	1530	update_object (op, UP_OBJ_INSERT);
1451		1531
1452	INVOKE_OBJECT (INSERT, op);	1532	INVOKE_OBJECT (INSERT, op);
…		…
1459	* blocked() and wall() work properly), and these flags are updated by	1539	* blocked() and wall() work properly), and these flags are updated by
1460	* update_object().	1540	* update_object().
1461	*/	1541	*/
1462		1542
1463	/* if this is not the head or flag has been passed, don't check walk on status */	1543	/* if this is not the head or flag has been passed, don't check walk on status */
1464	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1544	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1465	{	1545	{
1466	if (check_move_on (op, originator))	1546	if (check_move_on (op, originator))
1467	return 0;	1547	return 0;
1468		1548
1469	/* If we are a multi part object, lets work our way through the check	1549	/* If we are a multi part object, lets work our way through the check
…		…
1480	/* this function inserts an object in the map, but if it	1560	/* this function inserts an object in the map, but if it
1481	* finds an object of its own type, it'll remove that one first.	1561	* finds an object of its own type, it'll remove that one first.
1482	* op is the object to insert it under: supplies x and the map.	1562	* op is the object to insert it under: supplies x and the map.
1483	*/	1563	*/
1484	void	1564	void
1485	replace_insert_ob_in_map (const char *arch_string, object *op)	1565	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1486	{	1566	{
1487	object *tmp, *tmp1;
1488
1489	/* first search for itself and remove any old instances */	1567	/* first search for itself and remove any old instances */
1490		1568
1491	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1569	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1492	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1570	if (tmp->arch->archname == archname) /* same archetype */
1493	tmp->destroy ();	1571	tmp->destroy ();
1494		1572
1495	tmp1 = arch_to_object (archetype::find (arch_string));	1573	object *tmp = archetype::find (archname)->instance ();
1496		1574
1497	tmp1->x = op->x;	1575	tmp->x = op->x;
1498	tmp1->y = op->y;	1576	tmp->y = op->y;
		1577
1499	insert_ob_in_map (tmp1, op->map, op, 0);	1578	insert_ob_in_map (tmp, op->map, op, 0);
1500	}	1579	}
1501		1580
1502	object *	1581	object *
1503	object::insert_at (object *where, object *originator, int flags)	1582	object::insert_at (object *where, object *originator, int flags)
1504	{	1583	{
		1584	if (where->env)
		1585	return where->env->insert (this);
		1586	else
1505	return where->map->insert (this, where->x, where->y, originator, flags);	1587	return where->map->insert (this, where->x, where->y, originator, flags);
1506	}	1588	}
1507		1589
1508	/*	1590	// check whether we can put this into the map, respect max_volume, max_items
1509	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1591	bool
1510	* is returned contains nr objects, and the remaining parts contains	1592	object::can_drop_at (maptile *m, int x, int y, object *originator)
1511	* the rest (or is removed and freed if that number is 0).
1512	* On failure, NULL is returned, and the reason put into the
1513	* global static errmsg array.
1514	*/
1515	object *
1516	get_split_ob (object *orig_ob, uint32 nr)
1517	{	1593	{
1518	object *newob;	1594	mapspace &ms = m->at (x, y);
1519	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1520		1595
1521	if (orig_ob->nrof < nr)	1596	int items = ms.items ();
1522	{
1523	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1524	return NULL;
1525	}
1526		1597
1527	newob = object_create_clone (orig_ob);	1598	if (!items // testing !items ensures we can drop at least one item
		1599	|| (items < m->max_items
		1600	&& ms.volume () < m->max_volume))
		1601	return true;
1528		1602
1529	if ((orig_ob->nrof -= nr) < 1)	1603	if (originator && originator->is_player ())
1530	orig_ob->destroy (1);	1604	originator->contr->failmsg (format (
1531	else if (!is_removed)	1605	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1532	{	1606	query_name ()
1533	if (orig_ob->env != NULL)	1607	));
1534	sub_weight (orig_ob->env, orig_ob->weight * nr);
1535	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1536	{
1537	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1538	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1539	return NULL;
1540	}
1541	}
1542		1608
1543	newob->nrof = nr;	1609	return false;
1544
1545	return newob;
1546	}	1610	}
1547		1611
1548	/*	1612	/*
1549	* decrease_ob_nr(object, number) decreases a specified number from	1613	* decrease(object, number) decreases a specified number from
1550	* the amount of an object. If the amount reaches 0, the object	1614	* the amount of an object. If the amount reaches 0, the object
1551	* is subsequently removed and freed.	1615	* is subsequently removed and freed.
1552	*	1616	*
1553	* Return value: 'op' if something is left, NULL if the amount reached 0	1617	* Return value: 'op' if something is left, NULL if the amount reached 0
1554	*/	1618	*/
		1619	bool
		1620	object::decrease (sint32 nr)
		1621	{
		1622	if (!nr)
		1623	return true;
		1624
		1625	nr = min (nr, nrof);
		1626
		1627	if (nrof > nr)
		1628	{
		1629	nrof -= nr;
		1630	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1631
		1632	if (object *pl = visible_to ())
		1633	esrv_update_item (UPD_NROF, pl, this);
		1634
		1635	return true;
		1636	}
		1637	else
		1638	{
		1639	destroy ();
		1640	return false;
		1641	}
		1642	}
		1643
		1644	/*
		1645	* split(ob,nr) splits up ob into two parts. The part which
		1646	* is returned contains nr objects, and the remaining parts contains
		1647	* the rest (or is removed and returned if that number is 0).
		1648	* On failure, NULL is returned.
		1649	*/
1555	object *	1650	object *
1556	decrease_ob_nr (object *op, uint32 i)	1651	object::split (sint32 nr)
1557	{	1652	{
1558	object *tmp;	1653	int have = number_of ();
1559		1654
1560	if (i == 0) /* objects with op->nrof require this check */	1655	if (have < nr)
1561	return op;	1656	return 0;
1562		1657	else if (have == nr)
1563	if (i > op->nrof)
1564	i = op->nrof;
1565
1566	if (QUERY_FLAG (op, FLAG_REMOVED))
1567	op->nrof -= i;
1568	else if (op->env)
1569	{	1658	{
1570	/* is this object in the players inventory, or sub container
1571	* therein?
1572	*/
1573	tmp = op->in_player ();
1574	/* nope. Is this a container the player has opened?
1575	* If so, set tmp to that player.
1576	* IMO, searching through all the players will mostly
1577	* likely be quicker than following op->env to the map,
1578	* and then searching the map for a player.
1579	*/
1580	if (!tmp)
1581	for_all_players (pl)
1582	if (pl->ob->container == op->env)
1583	{
1584	tmp = pl->ob;
1585	break;
1586	}
1587
1588	if (i < op->nrof)
1589	{
1590	sub_weight (op->env, op->weight * i);
1591	op->nrof -= i;
1592	if (tmp)
1593	esrv_send_item (tmp, op);
1594	}
1595	else
1596	{
1597	op->remove ();	1659	remove ();
1598	op->nrof = 0;	1660	return this;
1599	if (tmp)
1600	esrv_del_item (tmp->contr, op->count);
1601	}
1602	}	1661	}
1603	else	1662	else
1604	{	1663	{
1605	object *above = op->above;	1664	decrease (nr);
1606		1665
1607	if (i < op->nrof)	1666	object *op = deep_clone ();
1608	op->nrof -= i;	1667	op->nrof = nr;
1609	else
1610	{
1611	op->remove ();
1612	op->nrof = 0;
1613	}
1614
1615	/* Since we just removed op, op->above is null */
1616	for (tmp = above; tmp; tmp = tmp->above)
1617	if (tmp->type == PLAYER)
1618	{
1619	if (op->nrof)
1620	esrv_send_item (tmp, op);
1621	else
1622	esrv_del_item (tmp->contr, op->count);
1623	}
1624	}
1625
1626	if (op->nrof)
1627	return op;	1668	return op;
1628	else
1629	{
1630	op->destroy ();
1631	return 0;
1632	}
1633	}
1634
1635	/*
1636	* add_weight(object, weight) adds the specified weight to an object,
1637	* and also updates how much the environment(s) is/are carrying.
1638	*/
1639	void
1640	add_weight (object *op, signed long weight)
1641	{
1642	while (op != NULL)
1643	{
1644	if (op->type == CONTAINER)
1645	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1646
1647	op->carrying += weight;
1648	op = op->env;
1649	}	1669	}
1650	}	1670	}
1651		1671
1652	object *	1672	object *
1653	insert_ob_in_ob (object *op, object *where)	1673	insert_ob_in_ob (object *op, object *where)
…		…
1678	* be != op, if items are merged. -Tero	1698	* be != op, if items are merged. -Tero
1679	*/	1699	*/
1680	object *	1700	object *
1681	object::insert (object *op)	1701	object::insert (object *op)
1682	{	1702	{
1683	object *tmp, *otmp;
1684
1685	if (!QUERY_FLAG (op, FLAG_REMOVED))
1686	op->remove ();
1687
1688	if (op->more)	1703	if (op->more)
1689	{	1704	{
1690	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1705	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1691	return op;	1706	return op;
1692	}	1707	}
1693		1708
1694	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1709	op->remove ();
1695	CLEAR_FLAG (op, FLAG_REMOVED);	1710
		1711	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1712
1696	if (op->nrof)	1713	if (op->nrof)
1697	{
1698	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1714	for (object *tmp = inv; tmp; tmp = tmp->below)
1699	if (object::can_merge (tmp, op))	1715	if (object::can_merge (tmp, op))
1700	{	1716	{
1701	/* return the original object and remove inserted object	1717	/* return the original object and remove inserted object
1702	(client needs the original object) */	1718	(client needs the original object) */
1703	tmp->nrof += op->nrof;	1719	tmp->nrof += op->nrof;
1704	/* Weight handling gets pretty funky. Since we are adding to	1720
1705	* tmp->nrof, we need to increase the weight.	1721	if (object *pl = tmp->visible_to ())
1706	*/	1722	esrv_update_item (UPD_NROF, pl, tmp);
		1723
1707	add_weight (this, op->weight * op->nrof);	1724	adjust_weight (this, op->total_weight ());
1708	SET_FLAG (op, FLAG_REMOVED);	1725
1709	op->destroy (); /* free the inserted object */	1726	op->destroy ();
1710	op = tmp;	1727	op = tmp;
1711	op->remove (); /* and fix old object's links */	1728	goto inserted;
1712	CLEAR_FLAG (op, FLAG_REMOVED);
1713	break;
1714	}	1729	}
1715		1730
1716	/* I assume combined objects have no inventory	1731	op->owner = 0; // it's his/hers now. period.
1717	* We add the weight - this object could have just been removed
1718	* (if it was possible to merge). calling remove_ob will subtract
1719	* the weight, so we need to add it in again, since we actually do
1720	* the linking below
1721	*/
1722	add_weight (this, op->weight * op->nrof);
1723	}
1724	else
1725	add_weight (this, (op->weight + op->carrying));
1726
1727	otmp = this->in_player ();
1728	if (otmp && otmp->contr)
1729	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1730	otmp->update_stats ();
1731
1732	op->map = 0;	1732	op->map = 0;
1733	op->env = this;	1733	op->x = 0;
		1734	op->y = 0;
		1735
1734	op->above = 0;	1736	op->above = 0;
1735	op->below = 0;	1737	op->below = inv;
1736	op->x = 0, op->y = 0;	1738	op->env = this;
1737		1739
		1740	if (inv)
		1741	inv->above = op;
		1742
		1743	inv = op;
		1744
		1745	op->flag [FLAG_REMOVED] = 0;
		1746
		1747	if (object *pl = op->visible_to ())
		1748	esrv_send_item (pl, op);
		1749
		1750	adjust_weight (this, op->total_weight ());
		1751
		1752	inserted:
1738	/* reset the light list and los of the players on the map */	1753	/* reset the light list and los of the players on the map */
1739	if ((op->glow_radius != 0) && map)	1754	if (op->glow_radius && is_on_map ())
1740	{	1755	{
1741	#ifdef DEBUG_LIGHTS	1756	update_stats ();
1742	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1743	#endif /* DEBUG_LIGHTS */
1744	if (map->darkness)
1745	update_all_los (map, x, y);	1757	update_all_los (map, x, y);
1746	}
1747
1748	/* Client has no idea of ordering so lets not bother ordering it here.
1749	* It sure simplifies this function...
1750	*/
1751	if (!inv)
1752	inv = op;
1753	else
1754	{	1758	}
1755	op->below = inv;	1759	else if (is_player ())
1756	op->below->above = op;	1760	// if this is a player's inventory, update stats
1757	inv = op;	1761	contr->queue_stats_update ();
1758	}
1759		1762
1760	INVOKE_OBJECT (INSERT, this);	1763	INVOKE_OBJECT (INSERT, this);
1761		1764
1762	return op;	1765	return op;
1763	}	1766	}
…		…
1783	* on top.	1786	* on top.
1784	*/	1787	*/
1785	int	1788	int
1786	check_move_on (object *op, object *originator)	1789	check_move_on (object *op, object *originator)
1787	{	1790	{
		1791	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1792	return 0;
		1793
1788	object *tmp;	1794	object *tmp;
1789	maptile *m = op->map;	1795	maptile *m = op->map;
1790	int x = op->x, y = op->y;	1796	int x = op->x, y = op->y;
1791		1797
1792	MoveType move_on, move_slow, move_block;	1798	mapspace &ms = m->at (x, y);
1793		1799
1794	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1800	ms.update ();
1795	return 0;
1796		1801
1797	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1802	MoveType move_on = ms.move_on;
1798	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1803	MoveType move_slow = ms.move_slow;
1799	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1804	MoveType move_block = ms.move_block;
1800		1805
1801	/* if nothing on this space will slow op down or be applied,	1806	/* if nothing on this space will slow op down or be applied,
1802	* no need to do checking below. have to make sure move_type	1807	* no need to do checking below. have to make sure move_type
1803	* is set, as lots of objects don't have it set - we treat that	1808	* is set, as lots of objects don't have it set - we treat that
1804	* as walking.	1809	* as walking.
…		…
1815	return 0;	1820	return 0;
1816		1821
1817	/* The objects have to be checked from top to bottom.	1822	/* The objects have to be checked from top to bottom.
1818	* Hence, we first go to the top:	1823	* Hence, we first go to the top:
1819	*/	1824	*/
1820		1825	for (object *next, *tmp = ms.top; tmp; tmp = next)
1821	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1822	{
1823	/* Trim the search when we find the first other spell effect
1824	* this helps performance so that if a space has 50 spell objects,
1825	* we don't need to check all of them.
1826	*/
1827	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1828	break;
1829	}	1826	{
		1827	next = tmp->below;
1830		1828
1831	for (; tmp; tmp = tmp->below)
1832	{
1833	if (tmp == op)	1829	if (tmp == op)
1834	continue; /* Can't apply yourself */	1830	continue; /* Can't apply yourself */
1835		1831
1836	/* Check to see if one of the movement types should be slowed down.	1832	/* Check to see if one of the movement types should be slowed down.
1837	* Second check makes sure that the movement types not being slowed	1833	* Second check makes sure that the movement types not being slowed
…		…
1842	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1838	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1843	{	1839	{
1844	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1840	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1845	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1841	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1846	{	1842	{
1847
1848	float
1849	diff = tmp->move_slow_penalty * fabs (op->speed);	1843	float diff = tmp->move_slow_penalty * fabs (op->speed);
1850		1844
1851	if (op->type == PLAYER)	1845	if (op->is_player ())
1852	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1846	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1853	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1847	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1854	diff /= 4.0;	1848	diff /= 4.0;
1855		1849
1856	op->speed_left -= diff;	1850	op->speed_left -= diff;
1857	}	1851	}
1858	}	1852	}
…		…
1891	LOG (llevError, "Present_arch called outside map.\n");	1885	LOG (llevError, "Present_arch called outside map.\n");
1892	return NULL;	1886	return NULL;
1893	}	1887	}
1894		1888
1895	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1889	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1896	if (tmp->arch == at)	1890	if (tmp->arch->archname == at->archname)
1897	return tmp;	1891	return tmp;
1898		1892
1899	return NULL;	1893	return NULL;
1900	}	1894	}
1901		1895
…		…
1965	* The first matching object is returned, or NULL if none.	1959	* The first matching object is returned, or NULL if none.
1966	*/	1960	*/
1967	object *	1961	object *
1968	present_arch_in_ob (const archetype *at, const object *op)	1962	present_arch_in_ob (const archetype *at, const object *op)
1969	{	1963	{
1970	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1964	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1971	if (tmp->arch == at)	1965	if (tmp->arch->archname == at->archname)
1972	return tmp;	1966	return tmp;
1973		1967
1974	return NULL;	1968	return NULL;
1975	}	1969	}
1976		1970
…		…
1978	* activate recursively a flag on an object inventory	1972	* activate recursively a flag on an object inventory
1979	*/	1973	*/
1980	void	1974	void
1981	flag_inv (object *op, int flag)	1975	flag_inv (object *op, int flag)
1982	{	1976	{
1983	if (op->inv)
1984	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1977	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1985	{	1978	{
1986	SET_FLAG (tmp, flag);	1979	SET_FLAG (tmp, flag);
1987	flag_inv (tmp, flag);	1980	flag_inv (tmp, flag);
1988	}	1981	}
1989	}	1982	}
1990		1983
1991	/*	1984	/*
1992	* deactivate recursively a flag on an object inventory	1985	* deactivate recursively a flag on an object inventory
1993	*/	1986	*/
1994	void	1987	void
1995	unflag_inv (object *op, int flag)	1988	unflag_inv (object *op, int flag)
1996	{	1989	{
1997	if (op->inv)
1998	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1990	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1999	{	1991	{
2000	CLEAR_FLAG (tmp, flag);	1992	CLEAR_FLAG (tmp, flag);
2001	unflag_inv (tmp, flag);	1993	unflag_inv (tmp, flag);
2002	}	1994	}
2003	}	1995	}
2004		1996
2005	/*	1997	/*
2006	* find_free_spot(object, map, x, y, start, stop) will search for	1998	* find_free_spot(object, map, x, y, start, stop) will search for
2007	* a spot at the given map and coordinates which will be able to contain	1999	* a spot at the given map and coordinates which will be able to contain
…		…
2009	* to search (see the freearr_x/y[] definition).	2001	* to search (see the freearr_x/y[] definition).
2010	* It returns a random choice among the alternatives found.	2002	* It returns a random choice among the alternatives found.
2011	* start and stop are where to start relative to the free_arr array (1,9	2003	* start and stop are where to start relative to the free_arr array (1,9
2012	* does all 4 immediate directions). This returns the index into the	2004	* does all 4 immediate directions). This returns the index into the
2013	* array of the free spot, -1 if no spot available (dir 0 = x,y)	2005	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2014	* Note - this only checks to see if there is space for the head of the
2015	* object - if it is a multispace object, this should be called for all
2016	* pieces.
2017	* Note2: This function does correctly handle tiled maps, but does not	2006	* Note: This function does correctly handle tiled maps, but does not
2018	* inform the caller. However, insert_ob_in_map will update as	2007	* inform the caller. However, insert_ob_in_map will update as
2019	* necessary, so the caller shouldn't need to do any special work.	2008	* necessary, so the caller shouldn't need to do any special work.
2020	* Note - updated to take an object instead of archetype - this is necessary	2009	* Note - updated to take an object instead of archetype - this is necessary
2021	* because arch_blocked (now ob_blocked) needs to know the movement type	2010	* because arch_blocked (now ob_blocked) needs to know the movement type
2022	* to know if the space in question will block the object. We can't use	2011	* to know if the space in question will block the object. We can't use
…		…
2024	* customized, changed states, etc.	2013	* customized, changed states, etc.
2025	*/	2014	*/
2026	int	2015	int
2027	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2016	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2028	{	2017	{
		2018	int altern[SIZEOFFREE];
2029	int index = 0, flag;	2019	int index = 0, flag;
2030	int altern[SIZEOFFREE];
2031		2020
2032	for (int i = start; i < stop; i++)	2021	for (int i = start; i < stop; i++)
2033	{	2022	{
2034	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2023	mapxy pos (m, x, y); pos.move (i);
2035	if (!flag)	2024
		2025	if (!pos.normalise ())
		2026	continue;
		2027
		2028	mapspace &ms = *pos;
		2029
		2030	if (ms.flags () & P_IS_ALIVE)
		2031	continue;
		2032
		2033	/* However, often
		2034	* ob doesn't have any move type (when used to place exits)
		2035	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2036	*/
		2037	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2038	{
2036	altern [index++] = i;	2039	altern [index++] = i;
		2040	continue;
		2041	}
2037		2042
2038	/* Basically, if we find a wall on a space, we cut down the search size.	2043	/* Basically, if we find a wall on a space, we cut down the search size.
2039	* In this way, we won't return spaces that are on another side of a wall.	2044	* In this way, we won't return spaces that are on another side of a wall.
2040	* This mostly work, but it cuts down the search size in all directions -	2045	* This mostly work, but it cuts down the search size in all directions -
2041	* if the space being examined only has a wall to the north and empty	2046	* if the space being examined only has a wall to the north and empty
2042	* spaces in all the other directions, this will reduce the search space	2047	* spaces in all the other directions, this will reduce the search space
2043	* to only the spaces immediately surrounding the target area, and	2048	* to only the spaces immediately surrounding the target area, and
2044	* won't look 2 spaces south of the target space.	2049	* won't look 2 spaces south of the target space.
2045	*/	2050	*/
2046	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2051	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2052	{
2047	stop = maxfree[i];	2053	stop = maxfree[i];
		2054	continue;
		2055	}
		2056
		2057	/* Note it is intentional that we check ob - the movement type of the
		2058	* head of the object should correspond for the entire object.
		2059	*/
		2060	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2061	continue;
		2062
		2063	if (ob->blocked (pos.m, pos.x, pos.y))
		2064	continue;
		2065
		2066	altern [index++] = i;
2048	}	2067	}
2049		2068
2050	if (!index)	2069	if (!index)
2051	return -1;	2070	return -1;
2052		2071
…		…
2061	*/	2080	*/
2062	int	2081	int
2063	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2082	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2064	{	2083	{
2065	for (int i = 0; i < SIZEOFFREE; i++)	2084	for (int i = 0; i < SIZEOFFREE; i++)
2066	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2085	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2067	return i;	2086	return i;
2068		2087
2069	return -1;	2088	return -1;
2070	}	2089	}
2071		2090
…		…
2117	* there is capable of.	2136	* there is capable of.
2118	*/	2137	*/
2119	int	2138	int
2120	find_dir (maptile *m, int x, int y, object *exclude)	2139	find_dir (maptile *m, int x, int y, object *exclude)
2121	{	2140	{
2122	int i, max = SIZEOFFREE, mflags;	2141	int max = SIZEOFFREE, mflags;
2123
2124	sint16 nx, ny;
2125	object *tmp;
2126	maptile *mp;
2127
2128	MoveType blocked, move_type;	2142	MoveType move_type;
2129		2143
2130	if (exclude && exclude->head_ () != exclude)	2144	if (exclude && exclude->head_ () != exclude)
2131	{	2145	{
2132	exclude = exclude->head;	2146	exclude = exclude->head;
2133	move_type = exclude->move_type;	2147	move_type = exclude->move_type;
…		…
2136	{	2150	{
2137	/* If we don't have anything, presume it can use all movement types. */	2151	/* If we don't have anything, presume it can use all movement types. */
2138	move_type = MOVE_ALL;	2152	move_type = MOVE_ALL;
2139	}	2153	}
2140		2154
2141	for (i = 1; i < max; i++)	2155	for (int i = 1; i < max; i++)
2142	{	2156	{
2143	mp = m;	2157	mapxy pos (m, x, y);
2144	nx = x + freearr_x[i];	2158	pos.move (i);
2145	ny = y + freearr_y[i];
2146		2159
2147	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2160	if (!pos.normalise ())
2148
2149	if (mflags & P_OUT_OF_MAP)
2150	max = maxfree[i];	2161	max = maxfree[i];
2151	else	2162	else
2152	{	2163	{
2153	mapspace &ms = mp->at (nx, ny);	2164	mapspace &ms = *pos;
2154		2165
2155	blocked = ms.move_block;
2156
2157	if ((move_type & blocked) == move_type)	2166	if ((move_type & ms.move_block) == move_type)
2158	max = maxfree[i];	2167	max = maxfree [i];
2159	else if (mflags & P_IS_ALIVE)	2168	else if (ms.flags () & P_IS_ALIVE)
2160	{	2169	{
2161	for (tmp = ms.bot; tmp; tmp = tmp->above)	2170	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2162	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2171	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2163	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2172	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2164	break;
2165
2166	if (tmp)
2167	return freedir[i];	2173	return freedir [i];
2168	}	2174	}
2169	}	2175	}
2170	}	2176	}
2171		2177
2172	return 0;	2178	return 0;
…		…
2247	* This basically means that if direction is 15, then it could either go	2253	* This basically means that if direction is 15, then it could either go
2248	* direction 4, 14, or 16 to get back to where we are.	2254	* direction 4, 14, or 16 to get back to where we are.
2249	* Moved from spell_util.c to object.c with the other related direction	2255	* Moved from spell_util.c to object.c with the other related direction
2250	* functions.	2256	* functions.
2251	*/	2257	*/
2252	int reduction_dir[SIZEOFFREE][3] = {	2258	static const int reduction_dir[SIZEOFFREE][3] = {
2253	{0, 0, 0}, /* 0 */	2259	{0, 0, 0}, /* 0 */
2254	{0, 0, 0}, /* 1 */	2260	{0, 0, 0}, /* 1 */
2255	{0, 0, 0}, /* 2 */	2261	{0, 0, 0}, /* 2 */
2256	{0, 0, 0}, /* 3 */	2262	{0, 0, 0}, /* 3 */
2257	{0, 0, 0}, /* 4 */	2263	{0, 0, 0}, /* 4 */
…		…
2348	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2354	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2349	* core dumps if they do.	2355	* core dumps if they do.
2350	*	2356	*
2351	* Add a check so we can't pick up invisible objects (0.93.8)	2357	* Add a check so we can't pick up invisible objects (0.93.8)
2352	*/	2358	*/
2353
2354	int	2359	int
2355	can_pick (const object *who, const object *item)	2360	can_pick (const object *who, const object *item)
2356	{	2361	{
2357	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2362	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2358	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2363	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2359	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2364	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2360	}	2365	}
2361		2366
2362	/*	2367	/*
2363	* create clone from object to another	2368	* create clone from object to another
2364	*/	2369	*/
2365	object *	2370	object *
2366	object_create_clone (object *asrc)	2371	object::deep_clone ()
2367	{	2372	{
2368	object *dst = 0, *tmp, *src, *prev, *item;	2373	assert (("deep_clone called on non-head object", is_head ()));
2369		2374
2370	if (!asrc)	2375	object *dst = clone ();
2371	return 0;
2372		2376
2373	src = asrc->head_ ();	2377	object *prev = dst;
2374
2375	prev = 0;
2376	for (object *part = src; part; part = part->more)	2378	for (object *part = this->more; part; part = part->more)
2377	{	2379	{
2378	tmp = part->clone ();	2380	object *tmp = part->clone ();
2379	tmp->x -= src->x;
2380	tmp->y -= src->y;
2381
2382	if (!part->head)
2383	{
2384	dst = tmp;
2385	tmp->head = 0;
2386	}
2387	else
2388	tmp->head = dst;	2381	tmp->head = dst;
2389
2390	tmp->more = 0;
2391
2392	if (prev)
2393	prev->more = tmp;	2382	prev->more = tmp;
2394
2395	prev = tmp;	2383	prev = tmp;
2396	}	2384	}
2397		2385
2398	for (item = src->inv; item; item = item->below)	2386	for (object *item = inv; item; item = item->below)
2399	insert_ob_in_ob (object_create_clone (item), dst);	2387	insert_ob_in_ob (item->deep_clone (), dst);
2400		2388
2401	return dst;	2389	return dst;
2402	}	2390	}
2403		2391
2404	/* This returns the first object in who's inventory that	2392	/* This returns the first object in who's inventory that
…		…
2413	return tmp;	2401	return tmp;
2414		2402
2415	return 0;	2403	return 0;
2416	}	2404	}
2417		2405
2418	/* If ob has a field named key, return the link from the list,	2406	shstr_tmp
2419	* otherwise return NULL.	2407	object::kv_get (shstr_tmp key) const
2420	*
2421	* key must be a passed in shared string - otherwise, this won't
2422	* do the desired thing.
2423	*/
2424	key_value *
2425	get_ob_key_link (const object *ob, const char *key)
2426	{	2408	{
2427	for (key_value *link = ob->key_values; link; link = link->next)	2409	for (key_value *kv = key_values; kv; kv = kv->next)
2428	if (link->key == key)	2410	if (kv->key == key)
2429	return link;
2430
2431	return 0;
2432	}
2433
2434	/*
2435	* Returns the value of op has an extra_field for key, or NULL.
2436	*
2437	* The argument doesn't need to be a shared string.
2438	*
2439	* The returned string is shared.
2440	*/
2441	const char *
2442	get_ob_key_value (const object *op, const char *const key)
2443	{
2444	key_value *link;
2445	shstr_cmp canonical_key (key);
2446
2447	if (!canonical_key)
2448	{
2449	/* 1. There being a field named key on any object
2450	* implies there'd be a shared string to find.
2451	* 2. Since there isn't, no object has this field.
2452	* 3. Therefore, *this* object doesn't have this field.
2453	*/
2454	return 0;
2455	}
2456
2457	/* This is copied from get_ob_key_link() above -
2458	* only 4 lines, and saves the function call overhead.
2459	*/
2460	for (link = op->key_values; link; link = link->next)
2461	if (link->key == canonical_key)
2462	return link->value;	2411	return kv->value;
2463		2412
2464	return 0;	2413	return shstr ();
2465	}	2414	}
2466		2415
2467	/*	2416	void
2468	* Updates the canonical_key in op to value.	2417	object::kv_set (shstr_tmp key, shstr_tmp value)
2469	*
2470	* canonical_key is a shared string (value doesn't have to be).
2471	*
2472	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2473	* keys.
2474	*
2475	* Returns TRUE on success.
2476	*/
2477	int
2478	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2479	{	2418	{
2480	key_value *field = NULL, *last = NULL;	2419	for (key_value *kv = key_values; kv; kv = kv->next)
2481		2420	if (kv->key == key)
2482	for (field = op->key_values; field != NULL; field = field->next)
2483	{
2484	if (field->key != canonical_key)
2485	{	2421	{
2486	last = field;	2422	kv->value = value;
2487	continue;	2423	return;
2488	}	2424	}
2489		2425
2490	if (value)	2426	key_value *kv = new key_value;
2491	field->value = value;	2427
2492	else	2428	kv->next = key_values;
		2429	kv->key = key;
		2430	kv->value = value;
		2431
		2432	key_values = kv;
		2433	}
		2434
		2435	void
		2436	object::kv_del (shstr_tmp key)
		2437	{
		2438	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2439	if ((*kvp)->key == key)
2493	{	2440	{
2494	/* Basically, if the archetype has this key set,	2441	key_value *kv = *kvp;
2495	* we need to store the null value so when we save	2442	*kvp = (*kvp)->next;
2496	* it, we save the empty value so that when we load,	2443	delete kv;
2497	* we get this value back again.	2444	return;
2498	*/
2499	if (get_ob_key_link (op->arch, canonical_key))
2500	field->value = 0;
2501	else
2502	{
2503	if (last)
2504	last->next = field->next;
2505	else
2506	op->key_values = field->next;
2507
2508	delete field;
2509	}
2510	}	2445	}
2511	return TRUE;
2512	}
2513	/* IF we get here, key doesn't exist */
2514
2515	/* No field, we'll have to add it. */
2516
2517	if (!add_key)
2518	return FALSE;
2519
2520	/* There isn't any good reason to store a null
2521	* value in the key/value list. If the archetype has
2522	* this key, then we should also have it, so shouldn't
2523	* be here. If user wants to store empty strings,
2524	* should pass in ""
2525	*/
2526	if (value == NULL)
2527	return TRUE;
2528
2529	field = new key_value;
2530
2531	field->key = canonical_key;
2532	field->value = value;
2533	/* Usual prepend-addition. */
2534	field->next = op->key_values;
2535	op->key_values = field;
2536
2537	return TRUE;
2538	}
2539
2540	/*
2541	* Updates the key in op to value.
2542	*
2543	* If add_key is FALSE, this will only update existing keys,
2544	* and not add new ones.
2545	* In general, should be little reason FALSE is ever passed in for add_key
2546	*
2547	* Returns TRUE on success.
2548	*/
2549	int
2550	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2551	{
2552	shstr key_ (key);
2553
2554	return set_ob_key_value_s (op, key_, value, add_key);
2555	}	2446	}
2556		2447
2557	object::depth_iterator::depth_iterator (object *container)	2448	object::depth_iterator::depth_iterator (object *container)
2558	: iterator_base (container)	2449	: iterator_base (container)
2559	{	2450	{
…		…
2609	{	2500	{
2610	char flagdesc[512];	2501	char flagdesc[512];
2611	char info2[256 * 4];	2502	char info2[256 * 4];
2612	char *p = info;	2503	char *p = info;
2613		2504
2614	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2505	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2615	count, uuid.seq,	2506	count,
		2507	uuid.c_str (),
2616	&name,	2508	&name,
2617	title ? "\",title:\"" : "",	2509	title ? ",title:\"" : "",
2618	title ? (const char *)title : "",	2510	title ? (const char *)title : "",
		2511	title ? "\"" : "",
2619	flag_desc (flagdesc, 512), type);	2512	flag_desc (flagdesc, 512), type);
2620		2513
2621	if (env)	2514	if (!flag[FLAG_REMOVED] && env)
2622	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2515	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2623		2516
2624	if (map)	2517	if (map)
2625	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2518	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2626		2519
…		…
2641	{	2534	{
2642	return map ? map->region (x, y)	2535	return map ? map->region (x, y)
2643	: region::default_region ();	2536	: region::default_region ();
2644	}	2537	}
2645		2538
2646	const materialtype_t *
2647	object::dominant_material () const
2648	{
2649	if (materialtype_t *mt = name_to_material (materialname))
2650	return mt;
2651
2652	return name_to_material (shstr_unknown);
2653	}
2654
2655	void	2539	void
2656	object::open_container (object *new_container)	2540	object::open_container (object *new_container)
2657	{	2541	{
2658	if (container == new_container)	2542	if (container == new_container)
2659	return;	2543	return;
2660		2544
2661	if (object *old_container = container)	2545	object *old_container = container;
		2546
		2547	if (old_container)
2662	{	2548	{
2663	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2549	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2664	return;	2550	return;
2665		2551
2666	#if 0	2552	#if 0
…		…
2668	if (object *closer = old_container->inv)	2554	if (object *closer = old_container->inv)
2669	if (closer->type == CLOSE_CON)	2555	if (closer->type == CLOSE_CON)
2670	closer->destroy ();	2556	closer->destroy ();
2671	#endif	2557	#endif
2672		2558
		2559	// make sure the container is available
		2560	esrv_send_item (this, old_container);
		2561
2673	old_container->flag [FLAG_APPLIED] = 0;	2562	old_container->flag [FLAG_APPLIED] = false;
2674	container = 0;	2563	container = 0;
2675		2564
		2565	// client needs item update to make it work, client bug requires this to be separate
2676	esrv_update_item (UPD_FLAGS, this, old_container);	2566	esrv_update_item (UPD_FLAGS, this, old_container);
		2567
2677	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2568	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2569	play_sound (sound_find ("chest_close"));
2678	}	2570	}
2679		2571
2680	if (new_container)	2572	if (new_container)
2681	{	2573	{
2682	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2574	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2685	// TODO: this does not seem to serve any purpose anymore?	2577	// TODO: this does not seem to serve any purpose anymore?
2686	#if 0	2578	#if 0
2687	// insert the "Close Container" object.	2579	// insert the "Close Container" object.
2688	if (archetype *closer = new_container->other_arch)	2580	if (archetype *closer = new_container->other_arch)
2689	{	2581	{
2690	object *closer = arch_to_object (new_container->other_arch);	2582	object *closer = new_container->other_arch->instance ();
2691	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2583	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2692	new_container->insert (closer);	2584	new_container->insert (closer);
2693	}	2585	}
2694	#endif	2586	#endif
2695		2587
2696	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2588	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2697		2589
		2590	// make sure the container is available, client bug requires this to be separate
		2591	esrv_send_item (this, new_container);
		2592
2698	new_container->flag [FLAG_APPLIED] = 1;	2593	new_container->flag [FLAG_APPLIED] = true;
2699	container = new_container;	2594	container = new_container;
2700		2595
		2596	// client needs flag change
2701	esrv_update_item (UPD_FLAGS, this, new_container);	2597	esrv_update_item (UPD_FLAGS, this, new_container);
2702	esrv_send_inventory (this, new_container);	2598	esrv_send_inventory (this, new_container);
		2599	play_sound (sound_find ("chest_open"));
2703	}	2600	}
		2601	// else if (!old_container->env && contr && contr->ns)
		2602	// contr->ns->floorbox_reset ();
2704	}	2603	}
2705		2604
2706	object *	2605	object *
2707	object::force_find (const shstr name)	2606	object::force_find (shstr_tmp name)
2708	{	2607	{
2709	/* cycle through his inventory to look for the MARK we want to	2608	/* cycle through his inventory to look for the MARK we want to
2710	* place	2609	* place
2711	*/	2610	*/
2712	for (object *tmp = inv; tmp; tmp = tmp->below)	2611	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2714	return splay (tmp);	2613	return splay (tmp);
2715		2614
2716	return 0;	2615	return 0;
2717	}	2616	}
2718		2617
		2618	//-GPL
		2619
2719	void	2620	void
		2621	object::force_set_timer (int duration)
		2622	{
		2623	this->duration = 1;
		2624	this->speed_left = -1.f;
		2625
		2626	this->set_speed (duration ? 1.f / duration : 0.f);
		2627	}
		2628
		2629	object *
2720	object::force_add (const shstr name, int duration)	2630	object::force_add (shstr_tmp name, int duration)
2721	{	2631	{
2722	if (object *force = force_find (name))	2632	if (object *force = force_find (name))
2723	force->destroy ();	2633	force->destroy ();
2724		2634
2725	object *force = get_archetype (FORCE_NAME);	2635	object *force = get_archetype (FORCE_NAME);
2726		2636
2727	force->slaying = name;	2637	force->slaying = name;
2728	force->stats.food = 1;	2638	force->force_set_timer (duration);
2729	force->speed_left = -1.f;
2730
2731	force->set_speed (duration ? 1.f / duration : 0.f);
2732	force->flag [FLAG_IS_USED_UP] = true;
2733	force->flag [FLAG_APPLIED] = true;	2639	force->flag [FLAG_APPLIED] = true;
2734		2640
		2641	return insert (force);
		2642	}
		2643
		2644	void
		2645	object::play_sound (faceidx sound) const
		2646	{
		2647	if (!sound)
		2648	return;
		2649
		2650	if (is_on_map ())
		2651	map->play_sound (sound, x, y);
		2652	else if (object *pl = in_player ())
		2653	pl->contr->play_sound (sound);
		2654	}
		2655
		2656	void
		2657	object::say_msg (const char *msg) const
		2658	{
		2659	if (is_on_map ())
		2660	map->say_msg (msg, x, y);
		2661	else if (object *pl = in_player ())
		2662	pl->contr->play_sound (sound);
		2663	}
		2664
		2665	void
		2666	object::make_noise ()
		2667	{
		2668	// we do not model noise in the map, so instead put
		2669	// a temporary light into the noise source
		2670	// could use the map instead, but that's less reliable for our
		2671	// goal, which is to make invisibility a bit harder to exploit
		2672
		2673	// currently only works sensibly for players
		2674	if (!is_player ())
		2675	return;
		2676
		2677	// find old force, or create new one
		2678	object *force = force_find (shstr_noise_force);
		2679
		2680	if (force)
		2681	force->speed_left = -1.f; // patch old speed up
		2682	else
		2683	{
		2684	force = archetype::get (shstr_noise_force);
		2685
		2686	force->slaying = shstr_noise_force;
		2687	force->stats.food = 1;
		2688	force->speed_left = -1.f;
		2689
		2690	force->set_speed (1.f / 4.f);
		2691	force->flag [FLAG_IS_USED_UP] = true;
		2692	force->flag [FLAG_APPLIED] = true;
		2693
2735	insert (force);	2694	insert (force);
		2695	}
2736	}	2696	}
2737		2697
		2698	void object::change_move_type (MoveType mt)
		2699	{
		2700	if (move_type == mt)
		2701	return;
		2702
		2703	if (is_on_map ())
		2704	{
		2705	// we are on the map, so handle move_on/off effects
		2706	remove ();
		2707	move_type = mt;
		2708	map->insert (this, x, y, this);
		2709	}
		2710	else
		2711	move_type = mt;
		2712	}
		2713

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