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Comparing deliantra/server/common/object.C (file contents):
Revision 1.99 by root, Sun Dec 31 18:10:40 2006 UTC vs.
Revision 1.314 by root, Fri Mar 26 00:59:20 2010 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
8	it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
9	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	11	* option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
18	along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
20		21	*
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	25	#include <global.h>
28	#include <stdio.h>	26	#include <stdio.h>
29	#include <sys/types.h>	27	#include <sys/types.h>
30	#include <sys/uio.h>	28	#include <sys/uio.h>
31	#include <object.h>	29	#include <object.h>
32	#include <funcpoint.h>	30	#include <sproto.h>
33	#include <loader.h>
34		31
35	#include <bitset>	32	#include <bitset>
36		33
37	int nrofallocobjects = 0;	34	UUID UUID::cur;
38	static UUID uuid;	35	static uint64_t seq_next_save;
39	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
40		38
41	object *active_objects; /* List of active objects that need to be processed */	39	objectvec objects;
		40	activevec actives;
42		41
43	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	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,
44	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	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
45	};	49	};
46	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	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,
47	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	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
48	};
49	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,
50	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
51	};	55	};
52	int freedir[SIZEOFFREE] = {	56	int freedir[SIZEOFFREE] = {
53	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	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,
54	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	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
55	};	61	};
56		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
57	static void	70	static void
58	write_uuid (void)	71	write_uuid (uval64 skip, bool sync)
59	{	72	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	73	CALL_BEGIN (2);
61		74	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	75	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	76	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		77	CALL_END;
65	FILE *fp;
66
67	if (!(fp = fopen (filename2, "w")))
68	{
69	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
70	return;
71	}
72
73	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
74	fclose (fp);
75	rename (filename2, filename1);
76	}	78	}
77		79
78	static void	80	static void
79	read_uuid (void)	81	read_uuid ()
80	{	82	{
81	char filename[MAX_BUF];	83	char filename[MAX_BUF];
82		84
83	sprintf (filename, "%s/uuid", settings.localdir);	85	sprintf (filename, "%s/uuid", settings.localdir);
		86
		87	seq_next_save = 0;
84		88
85	FILE *fp;	89	FILE *fp;
86		90
87	if (!(fp = fopen (filename, "r")))	91	if (!(fp = fopen (filename, "r")))
88	{	92	{
89	if (errno == ENOENT)	93	if (errno == ENOENT)
90	{	94	{
91	LOG (llevInfo, "RESET uid to 1\n");	95	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	96	UUID::cur.seq = 0;
93	write_uuid ();	97	write_uuid (UUID_GAP, true);
94	return;	98	return;
95	}	99	}
96		100
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	101	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	102	_exit (1);
99	}	103	}
100		104
101	int version;	105	char buf [UUID::MAX_LEN];
102	unsigned long long uid;	106	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	107	fgets (buf, sizeof (buf), fp);
		108
		109	if (!UUID::cur.parse (buf))
104	{	110	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	111	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	112	_exit (1);
107	}	113	}
108		114
109	uuid.seq = uid;	115	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	116
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	117	write_uuid (UUID_GAP, true);
112	fclose (fp);	118	fclose (fp);
113	}	119	}
114		120
115	UUID	121	UUID
116	gen_uuid ()	122	UUID::gen ()
117	{	123	{
118	UUID uid;	124	UUID uid;
119		125
120	uid.seq = ++uuid.seq;	126	uid.seq = ++cur.seq;
121		127
122	if (!(uuid.seq & (UUID_SKIP - 1)))	128	if (expect_false (cur.seq >= seq_next_save))
123	write_uuid ();	129	{
		130	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		131	write_uuid (UUID_GAP, false);
		132	}
		133
124		134
125	return uid;	135	return uid;
126	}	136	}
127		137
128	void	138	void
129	init_uuid ()	139	UUID::init ()
130	{	140	{
131	read_uuid ();	141	read_uuid ();
132	}	142	}
133		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
134	/* 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. */
135	static int	210	static bool
136	compare_ob_value_lists_one (const object *wants, const object *has)	211	compare_ob_value_lists_one (const object *wants, const object *has)
137	{	212	{
138	key_value *wants_field;
139
140	/* 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
141	* 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
142	* different structure or at least keep the lists sorted...	215	* different structure or at least keep the lists sorted...
143	*/	216	*/
144		217
145	/* For each field in wants, */	218	/* For each field in wants, */
146	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)
147	{	220	if (has->kv_get (kv->key) != kv->value)
148	key_value *has_field;	221	return false;
149
150	/* Look for a field in has with the same key. */
151	has_field = get_ob_key_link (has, wants_field->key);
152
153	if (has_field == NULL)
154	{
155	/* No field with that name. */
156	return FALSE;
157	}
158
159	/* Found the matching field. */
160	if (has_field->value != wants_field->value)
161	{
162	/* Values don't match, so this half of the comparison is false. */
163	return FALSE;
164	}
165
166	/* If we get here, we found a match. Now for the next field in wants. */
167	}
168		222
169	/* 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. */
170	return TRUE;	224	return true;
171	}	225	}
172		226
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	227	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static int	228	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	229	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	230	{
177	/* 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,
178	* so we need to run the comparison *twice*. :(	232	* so we need to run the comparison *twice*. :(
179	*/	233	*/
180	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);
181	}	236	}
182		237
183	/* 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
184	* they can be merged together.	239	* they can be merged together.
185	*	240	*
…		…
192	* Improvements made with merge: Better checking on potion, and also	247	* Improvements made with merge: Better checking on potion, and also
193	* check weight	248	* check weight
194	*/	249	*/
195	bool object::can_merge_slow (object *ob1, object *ob2)	250	bool object::can_merge_slow (object *ob1, object *ob2)
196	{	251	{
197	/* A couple quicksanity checks */	252	/* A couple quick sanity checks */
198	if (ob1 == ob2	253	if (ob1 == ob2
199	|| ob1->type != ob2->type	254	|| ob1->type != ob2->type
200	|| ob1->speed != ob2->speed
201	|| ob1->value != ob2->value	255	|| ob1->value != ob2->value
202	|| ob1->name != ob2->name)	256	|| ob1->name != ob2->name
		257	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
203	return 0;	258	return 0;
204		259
205	//TODO: this ain't working well, use nicer and correct overflow check
206	/* 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
207	* value could not be stored in a sint32 (which unfortunately sometimes is	261	* is always 0 .. 2**31-1 */
208	* used to store nrof).	262	if (ob1->nrof > 0x7fffffff - ob2->nrof)
209	*/
210	if (ob1->nrof + ob2->nrof >= 1UL << 31)
211	return 0;	263	return 0;
212		264
213	/* If the objects have been identified, set the BEEN_APPLIED flag.	265	/* If the objects have been identified, set the BEEN_APPLIED flag.
214	* 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
215	* 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
216	* 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
217	* flags lose any meaning.	269	* flags lose any meaning.
218	*/	270	*/
219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	271	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	272	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
221		273
222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	274	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	275	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
224		276
225	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	277	if (ob1->arch->archname != ob2->arch->archname
226	|| ob1->arch != ob2->arch
227	|| ob1->name != ob2->name	278	|| ob1->name != ob2->name
228	|| ob1->title != ob2->title	279	|| ob1->title != ob2->title
229	|| ob1->msg != ob2->msg	280	|| ob1->msg != ob2->msg
230	|| ob1->weight != ob2->weight	281	|| ob1->weight != ob2->weight
231	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
232	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
233	|| ob1->attacktype != ob2->attacktype	282	|| ob1->attacktype != ob2->attacktype
234	|| ob1->magic != ob2->magic	283	|| ob1->magic != ob2->magic
235	|| ob1->slaying != ob2->slaying	284	|| ob1->slaying != ob2->slaying
236	|| ob1->skill != ob2->skill	285	|| ob1->skill != ob2->skill
237	|| ob1->value != ob2->value	286	|| ob1->value != ob2->value
238	|| 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
239	|| ob1->client_type != ob2->client_type	289	|| ob1->client_type != ob2->client_type
240	|| ob1->materialname != ob2->materialname	290	|| ob1->material != ob2->material
241	|| ob1->lore != ob2->lore	291	|| ob1->lore != ob2->lore
242	|| ob1->subtype != ob2->subtype	292	|| ob1->subtype != ob2->subtype
243	|| ob1->move_type != ob2->move_type	293	|| ob1->move_type != ob2->move_type
244	|| ob1->move_block != ob2->move_block	294	|| ob1->move_block != ob2->move_block
245	|| ob1->move_allow != ob2->move_allow	295	|| ob1->move_allow != ob2->move_allow
246	|| ob1->move_on != ob2->move_on	296	|| ob1->move_on != ob2->move_on
247	|| ob1->move_off != ob2->move_off	297	|| ob1->move_off != ob2->move_off
248	|| ob1->move_slow != ob2->move_slow	298	|| ob1->move_slow != ob2->move_slow
249	|| 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)))
250	return 0;	302	return 0;
251		303
		304	if ((ob1->flag ^ ob2->flag)
		305	.reset (FLAG_INV_LOCKED)
		306	.reset (FLAG_REMOVED)
		307	.any ())
		308	return 0;
		309
252	/* This is really a spellbook check - really, we should	310	/* This is really a spellbook check - we should in general
253	* check all objects in the inventory.	311	* not merge objects with real inventories, as splitting them
		312	* is hard.
254	*/	313	*/
255	if (ob1->inv || ob2->inv)	314	if (ob1->inv || ob2->inv)
256	{	315	{
257	/* if one object has inventory but the other doesn't, not equiv */	316	if (!(ob1->inv && ob2->inv))
258	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	317	return 0; /* inventories differ in length */
259	return 0;
260		318
261	/* 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
262	if (!object::can_merge (ob1->inv, ob2->inv))	322	if (!object::can_merge (ob1->inv, ob2->inv))
263	return 0;	323	return 0; /* inventory objects differ */
264		324
265	/* 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
266	* if it is valid.	326	* if it is valid.
267	*/	327	*/
268	}	328	}
…		…
287	if (ob1->level != ob2->level)	347	if (ob1->level != ob2->level)
288	return 0;	348	return 0;
289	break;	349	break;
290	}	350	}
291		351
292	if (ob1->key_values != NULL || ob2->key_values != NULL)	352	if (ob1->key_values || ob2->key_values)
293	{	353	{
294	/* At least one of these has key_values. */	354	/* At least one of these has key_values. */
295	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	355	if ((!ob1->key_values) != (!ob2->key_values))
296	/* One has fields, but the other one doesn't. */	356	return 0; /* One has fields, but the other one doesn't. */
		357
		358	if (!compare_ob_value_lists (ob1, ob2))
297	return 0;	359	return 0;
298	else if (!compare_ob_value_lists (ob1, ob2))
299	return 0;
300	}	360	}
301		361
302	//TODO: generate an event or call into perl for additional checks
303	if (ob1->self || ob2->self)	362	if (ob1->self || ob2->self)
304	{	363	{
305	ob1->optimise ();	364	ob1->optimise ();
306	ob2->optimise ();	365	ob2->optimise ();
307		366
308	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)
309	return 0;	373	return 0;
		374
		375	if (k1 == 0)
		376	return 1;
		377
		378	if (!cfperl_can_merge (ob1, ob2))
		379	return 0;
		380	}
310	}	381	}
311		382
312	/* Everything passes, must be OK. */	383	/* Everything passes, must be OK. */
313	return 1;	384	return 1;
314	}	385	}
315		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
316	/*	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	/*
317	* sum_weight() is a recursive function which calculates the weight	461	* this is a recursive function which calculates the weight
318	* 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
319	* containers are carrying, and sums it up.	463	* containers are carrying, and sums it up.
320	*/	464	*/
321	long	465	void
322	sum_weight (object *op)	466	object::update_weight ()
323	{	467	{
324	long sum;	468	sint32 sum = 0;
325	object *inv;
326		469
327	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	470	for (object *op = inv; op; op = op->below)
328	{	471	{
329	if (inv->inv)	472	if (op->inv)
330	sum_weight (inv);	473	op->update_weight ();
331	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	474
		475	sum += op->total_weight ();
		476	}
		477
		478	sum = weight_adjust_for (this, sum);
		479
		480	if (sum != carrying)
332	}	481	{
333
334	if (op->type == CONTAINER && op->stats.Str)
335	sum = (sum * (100 - op->stats.Str)) / 100;
336
337	if (op->carrying != sum)
338	op->carrying = sum;	482	carrying = sum;
339		483
340	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	}
341	}	488	}
342		489
343	/**	490	/*
344	* Return the outermost environment object for a given object.	491	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
345	*/	492	*/
346
347	object *
348	object_get_env_recursive (object *op)
349	{
350	while (op->env != NULL)
351	op = op->env;
352	return op;
353	}
354
355	/*
356	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
357	* Some error messages.
358	* The result of the dump is stored in the static global errmsg array.
359	*/
360
361	char *	493	char *
362	dump_object (object *op)	494	dump_object (object *op)
363	{	495	{
364	if (!op)	496	if (!op)
365	return strdup ("[NULLOBJ]");	497	return strdup ("[NULLOBJ]");
366		498
367	object_freezer freezer;	499	object_freezer freezer;
368	save_object (freezer, op, 1);	500	op->write (freezer);
369	return freezer.as_string ();	501	return freezer.as_string ();
370	}	502	}
371		503
372	/*	504	char *
373	* get_nearest_part(multi-object, object 2) returns the part of the	505	object::as_string ()
374	* multi-object 1 which is closest to the second object.
375	* If it's not a multi-object, it is returned.
376	*/
377
378	object *
379	get_nearest_part (object *op, const object *pl)
380	{	506	{
381	object *tmp, *closest;	507	return dump_object (this);
382	int last_dist, i;
383
384	if (op->more == NULL)
385	return op;
386	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
387	if ((i = distance (tmp, pl)) < last_dist)
388	closest = tmp, last_dist = i;
389	return closest;
390	}	508	}
391		509
392	/*	510	/*
393	* 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.
394	*/	513	*/
395
396	object *	514	object *
397	find_object (tag_t i)	515	find_object (tag_t i)
398	{	516	{
399	for (object *op = object::first; op; op = op->next)	517	for_all_objects (op)
400	if (op->count == i)	518	if (op->count == i)
401	return op;	519	return op;
		520
		521	return 0;
		522	}
		523
		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;
402		535
403	return 0;	536	return 0;
404	}	537	}
405		538
406	/*	539	/*
407	* 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.
408	* Used only by the patch command, but not all that useful.	541	* Used only by the patch command, but not all that useful.
409	* Enables features like "patch <name-of-other-player> food 999"	542	* Enables features like "patch <name-of-other-player> food 999"
410	*/	543	*/
411
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
418	for (op = object::first; op != NULL; op = op->next)	549	if (str_)
		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;
		577	}
		578
		579	int
		580	object::slottype () const
		581	{
		582	if (type == SKILL)
		583	{
		584	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		585	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		586	}
		587	else
		588	{
		589	if (slot [body_combat].info) return slot_combat;
		590	if (slot [body_range ].info) return slot_ranged;
		591	}
		592
		593	return slot_none;
		594	}
		595
		596	bool
		597	object::change_weapon (object *ob)
		598	{
		599	if (current_weapon == ob)
		600	return true;
		601
		602	if (chosen_skill)
		603	chosen_skill->flag [FLAG_APPLIED] = false;
		604
		605	current_weapon = ob;
		606	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		607
		608	if (chosen_skill)
		609	chosen_skill->flag [FLAG_APPLIED] = true;
		610
		611	update_stats ();
		612
		613	if (ob)
		614	{
		615	// now check wether any body locations became invalid, in which case
		616	// we cannot apply the weapon at the moment.
		617	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		618	if (slot[i].used < 0)
		619	{
		620	current_weapon = chosen_skill = 0;
		621	update_stats ();
		622
		623	new_draw_info_format (NDI_UNIQUE, 0, this,
		624	"You try to balance all your items at once, "
		625	"but the %s is just too much for your body. "
		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);
		628	return false;
		629	}
		630
		631	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		632	}
		633	else
		634	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		635
		636	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		637	{
		638	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		639	&name, ob->debug_desc ());
		640	return false;
		641	}
		642
		643	return true;
452	}	644	}
453		645
454	/* Zero the key_values on op, decrementing the shared-string	646	/* Zero the key_values on op, decrementing the shared-string
455	* refcounts and freeing the links.	647	* refcounts and freeing the links.
456	*/	648	*/
457	static void	649	static void
458	free_key_values (object *op)	650	free_key_values (object *op)
459	{	651	{
460	for (key_value *i = op->key_values; i != 0;)	652	for (key_value *i = op->key_values; i; )
461	{	653	{
462	key_value *next = i->next;	654	key_value *next = i->next;
463	delete i;	655	delete i;
464		656
465	i = next;	657	i = next;
…		…
477	* will point at garbage.	669	* will point at garbage.
478	*/	670	*/
479	void	671	void
480	object::copy_to (object *dst)	672	object::copy_to (object *dst)
481	{	673	{
482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	674	dst->remove ();
483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
484
485	*(object_copy *)dst = *this;	675	*(object_copy *)dst = *this;
486		676	dst->flag [FLAG_REMOVED] = true;
487	if (is_freed)
488	SET_FLAG (dst, FLAG_FREED);
489
490	if (is_removed)
491	SET_FLAG (dst, FLAG_REMOVED);
492
493	if (speed < 0)
494	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
495		677
496	/* Copy over key_values, if any. */	678	/* Copy over key_values, if any. */
497	if (key_values)	679	if (key_values)
498	{	680	{
499	key_value *tail = 0;	681	key_value *tail = 0;
500	key_value *i;
501
502	dst->key_values = 0;	682	dst->key_values = 0;
503		683
504	for (i = key_values; i; i = i->next)	684	for (key_value *i = key_values; i; i = i->next)
505	{	685	{
506	key_value *new_link = new key_value;	686	key_value *new_link = new key_value;
507		687
508	new_link->next = 0;	688	new_link->next = 0;
509	new_link->key = i->key;	689	new_link->key = i->key;
510	new_link->value = i->value;	690	new_link->value = i->value;
511		691
512	/* Try and be clever here, too. */	692	/* Try and be clever here, too. */
513	if (!dst->key_values)	693	if (!dst->key_values)
514	{	694	{
…		…
521	tail = new_link;	701	tail = new_link;
522	}	702	}
523	}	703	}
524	}	704	}
525		705
526	dst->set_speed (dst->speed);	706	dst->activate ();
		707	}
		708
		709	void
		710	object::instantiate ()
		711	{
		712	if (!uuid.seq) // HACK
		713	uuid = UUID::gen ();
		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
		719	speed_left = -1.;
		720
		721	/* copy the body_info to the body_used - this is only really
		722	* need for monsters, but doesn't hurt to do it for everything.
		723	* by doing so, when a monster is created, it has good starting
		724	* values for the body_used info, so when items are created
		725	* for it, they can be properly equipped.
		726	*/
		727	for (int i = NUM_BODY_LOCATIONS; i--; )
		728	slot[i].used = slot[i].info;
		729
		730	attachable::instantiate ();
527	}	731	}
528		732
529	object *	733	object *
530	object::clone ()	734	object::clone ()
531	{	735	{
532	object *neu = create ();	736	object *neu = create ();
533	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
534	return neu;	744	return neu;
535	}	745	}
536		746
537	/*	747	/*
538	* 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
…		…
555	* 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.
556	*/	766	*/
557	void	767	void
558	object::set_speed (float speed)	768	object::set_speed (float speed)
559	{	769	{
560	if (flag [FLAG_FREED] && speed)
561	{
562	LOG (llevError, "Object %s is freed but has speed.\n", &name);
563	speed = 0;
564	}
565
566	this->speed = speed;	770	this->speed = speed;
567		771
568	if (has_active_speed ())	772	if (has_active_speed ())
569	activate ();	773	activate ();
570	else	774	else
…		…
589	* UP_OBJ_FACE: only the objects face has changed.	793	* UP_OBJ_FACE: only the objects face has changed.
590	*/	794	*/
591	void	795	void
592	update_object (object *op, int action)	796	update_object (object *op, int action)
593	{	797	{
594	MoveType move_on, move_off, move_block, move_slow;	798	if (!op)
595
596	if (op == NULL)
597	{	799	{
598	/* this should never happen */	800	/* this should never happen */
599	LOG (llevDebug, "update_object() called for NULL object.\n");	801	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
600	return;	802	return;
601	}	803	}
602		804
603	if (op->env)	805	if (!op->is_on_map ())
604	{	806	{
605	/* Animation is currently handled by client, so nothing	807	/* Animation is currently handled by client, so nothing
606	* to do in this case.	808	* to do in this case.
607	*/	809	*/
608	return;	810	return;
609	}	811	}
610
611	/* If the map is saving, don't do anything as everything is
612	* going to get freed anyways.
613	*/
614	if (!op->map || op->map->in_memory == MAP_SAVING)
615	return;
616		812
617	/* make sure the object is within map boundaries */	813	/* make sure the object is within map boundaries */
618	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)
619	{	815	{
620	LOG (llevError, "update_object() called for object out of map!\n");	816	LOG (llevError, "update_object() called for object out of map!\n");
…		…
628		824
629	if (!(m.flags_ & P_UPTODATE))	825	if (!(m.flags_ & P_UPTODATE))
630	/* nop */;	826	/* nop */;
631	else if (action == UP_OBJ_INSERT)	827	else if (action == UP_OBJ_INSERT)
632	{	828	{
		829	#if 0
633	// this is likely overkill, TODO: revisit (schmorp)	830	// this is likely overkill, TODO: revisit (schmorp)
634	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	831	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
635	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	832	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
636	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	833	|| (op->is_player () && !(m.flags_ & P_PLAYER))
637	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	834	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
638	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	835	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
639	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	836	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
640	|| (m.move_on | op->move_on ) != m.move_on	837	|| (m.move_on | op->move_on ) != m.move_on
641	|| (m.move_off | op->move_off ) != m.move_off	838	|| (m.move_off | op->move_off ) != m.move_off
642	|| (m.move_slow | op->move_slow) != m.move_slow	839	|| (m.move_slow | op->move_slow) != m.move_slow
643	/* 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
644	* to have move_allow right now.	841	* have move_allow right now.
645	*/	842	*/
646	|| ((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
647	|| 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)
648	m.flags_ = 0;	847	m.invalidate ();
		848	#endif
649	}	849	}
650	/* if the object is being removed, we can't make intelligent	850	/* if the object is being removed, we can't make intelligent
651	* decisions, because remove_ob can't really pass the object	851	* decisions, because remove_ob can't really pass the object
652	* that is being removed.	852	* that is being removed.
653	*/	853	*/
654	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	854	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
655	m.flags_ = 0;	855	m.invalidate ();
656	else if (action == UP_OBJ_FACE)	856	else if (action == UP_OBJ_FACE)
657	/* Nothing to do for that case */ ;	857	/* Nothing to do for that case */ ;
658	else	858	else
659	LOG (llevError, "update_object called with invalid action: %d\n", action);	859	LOG (llevError, "update_object called with invalid action: %d\n", action);
660		860
661	if (op->more)	861	if (op->more)
662	update_object (op->more, action);	862	update_object (op->more, action);
663	}	863	}
664		864
665	object *object::first;
666
667	object::object ()	865	object::object ()
668	{	866	{
669	SET_FLAG (this, FLAG_REMOVED);	867	SET_FLAG (this, FLAG_REMOVED);
670		868
671	expmul = 1.0;	869	//expmul = 1.0; declared const for the time being
672	face = blank_face;	870	face = blank_face;
		871	material = MATERIAL_NULL;
673	}	872	}
674		873
675	object::~object ()	874	object::~object ()
676	{	875	{
		876	unlink ();
		877
677	free_key_values (this);	878	free_key_values (this);
678	}	879	}
679		880
		881	static int object_count;
		882
680	void object::link ()	883	void object::link ()
681	{	884	{
		885	assert (!index);//D
		886	uuid = UUID::gen ();
682	count = ++ob_count;	887	count = ++object_count;
683	uuid = gen_uuid ();
684		888
685	prev = 0;	889	refcnt_inc ();
686	next = object::first;	890	objects.insert (this);
687
688	if (object::first)
689	object::first->prev = this;
690
691	object::first = this;
692	}	891	}
693		892
694	void object::unlink ()	893	void object::unlink ()
695	{	894	{
696	if (this == object::first)	895	if (!index)
697	object::first = next;	896	return;
698		897
699	/* Remove this object from the list of used objects */	898	objects.erase (this);
700	if (prev) prev->next = next;	899	refcnt_dec ();
701	if (next) next->prev = prev;
702
703	prev = 0;
704	next = 0;
705	}
706
707	bool
708	object::active () const
709	{
710	return active_next || active_prev || this == active_objects;
711	}	900	}
712		901
713	void	902	void
714	object::activate ()	903	object::activate ()
715	{	904	{
716	/* If already on active list, don't do anything */	905	/* If already on active list, don't do anything */
717	if (active ())	906	if (active)
718	return;	907	return;
719		908
720	if (has_active_speed ())	909	if (has_active_speed ())
721	{	910	{
722	/* process_events() expects us to insert the object at the beginning	911	if (flag [FLAG_FREED])
723	* of the list. */	912	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
724	active_next = active_objects;
725		913
726	if (active_next)	914	actives.insert (this);
727	active_next->active_prev = this;
728
729	active_objects = this;
730	}	915	}
731	}	916	}
732		917
733	void	918	void
734	object::activate_recursive ()	919	object::activate_recursive ()
735	{	920	{
736	activate ();	921	activate ();
737		922
738	for (object *op = inv; op; op = op->above)	923	for (object *op = inv; op; op = op->below)
739	op->activate_recursive ();	924	op->activate_recursive ();
740	}	925	}
741		926
742	/* This function removes object 'op' from the list of active	927	/* This function removes object 'op' from the list of active
743	* objects.	928	* objects.
…		…
749	*/	934	*/
750	void	935	void
751	object::deactivate ()	936	object::deactivate ()
752	{	937	{
753	/* If not on the active list, nothing needs to be done */	938	/* If not on the active list, nothing needs to be done */
754	if (!active ())	939	if (!active)
755	return;	940	return;
756		941
757	if (active_prev == 0)	942	actives.erase (this);
758	{
759	active_objects = active_next;
760	if (active_next)
761	active_next->active_prev = 0;
762	}
763	else
764	{
765	active_prev->active_next = active_next;
766	if (active_next)
767	active_next->active_prev = active_prev;
768	}
769
770	active_next = 0;
771	active_prev = 0;
772	}	943	}
773		944
774	void	945	void
775	object::deactivate_recursive ()	946	object::deactivate_recursive ()
776	{	947	{
777	for (object *op = inv; op; op = op->above)	948	for (object *op = inv; op; op = op->below)
778	op->deactivate_recursive ();	949	op->deactivate_recursive ();
779		950
780	deactivate ();	951	deactivate ();
		952	}
		953
		954	void
		955	object::set_flag_inv (int flag, int value)
		956	{
		957	for (object *op = inv; op; op = op->below)
		958	{
		959	op->flag [flag] = value;
		960	op->set_flag_inv (flag, value);
		961	}
781	}	962	}
782		963
783	/*	964	/*
784	* Remove and free all objects in the inventory of the given object.	965	* Remove and free all objects in the inventory of the given object.
785	* object.c ?	966	* object.c ?
…		…
788	object::destroy_inv (bool drop_to_ground)	969	object::destroy_inv (bool drop_to_ground)
789	{	970	{
790	// need to check first, because the checks below might segfault	971	// need to check first, because the checks below might segfault
791	// as we might be on an invalid mapspace and crossfire code	972	// as we might be on an invalid mapspace and crossfire code
792	// is too buggy to ensure that the inventory is empty.	973	// is too buggy to ensure that the inventory is empty.
793	// corollary: if you create arrows etc. with stuff in tis inventory,	974	// corollary: if you create arrows etc. with stuff in its inventory,
794	// cf will crash below with off-map x and y	975	// cf will crash below with off-map x and y
795	if (!inv)	976	if (!inv)
796	return;	977	return;
797		978
798	/* Only if the space blocks everything do we not process -	979	/* Only if the space blocks everything do we not process -
799	* if some form of movement is allowed, let objects	980	* if some form of movement is allowed, let objects
800	* drop on that space.	981	* drop on that space.
801	*/	982	*/
802	if (!drop_to_ground	983	if (!drop_to_ground
803	|| !map	984	|| !map
804	|| map->in_memory != MAP_IN_MEMORY	985	|| map->in_memory != MAP_ACTIVE
		986	|| map->no_drop
805	|| ms ().move_block == MOVE_ALL)	987	|| ms ().move_block == MOVE_ALL)
806	{	988	{
807	while (inv)	989	while (inv)
808	{
809	inv->destroy_inv (drop_to_ground);
810	inv->destroy ();	990	inv->destroy ();
811	}
812	}	991	}
813	else	992	else
814	{ /* Put objects in inventory onto this space */	993	{ /* Put objects in inventory onto this space */
815	while (inv)	994	while (inv)
816	{	995	{
…		…
818		997
819	if (op->flag [FLAG_STARTEQUIP]	998	if (op->flag [FLAG_STARTEQUIP]
820	|| op->flag [FLAG_NO_DROP]	999	|| op->flag [FLAG_NO_DROP]
821	|| op->type == RUNE	1000	|| op->type == RUNE
822	|| op->type == TRAP	1001	|| op->type == TRAP
823	|| op->flag [FLAG_IS_A_TEMPLATE])	1002	|| op->flag [FLAG_IS_A_TEMPLATE]
		1003	|| op->flag [FLAG_DESTROY_ON_DEATH])
824	op->destroy ();	1004	op->destroy ();
825	else	1005	else
826	map->insert (op, x, y);	1006	map->insert (op, x, y);
827	}	1007	}
828	}	1008	}
…		…
833	object *op = new object;	1013	object *op = new object;
834	op->link ();	1014	op->link ();
835	return op;	1015	return op;
836	}	1016	}
837		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
838	void	1039	void
839	object::do_destroy ()	1040	object::do_destroy ()
840	{	1041	{
841	if (flag [FLAG_IS_LINKED])	1042	if (flag [FLAG_IS_LINKED])
842	remove_button_link (this);	1043	remove_link ();
843		1044
844	if (flag [FLAG_FRIENDLY])	1045	if (flag [FLAG_FRIENDLY])
845	remove_friendly_object (this);	1046	remove_friendly_object (this);
846		1047
847	if (!flag [FLAG_REMOVED])
848	remove ();	1048	remove ();
849		1049
850	if (flag [FLAG_FREED])	1050	attachable::do_destroy ();
851	return;
852		1051
853	set_speed (0);	1052	deactivate ();
		1053	unlink ();
854		1054
855	flag [FLAG_FREED] = 1;	1055	flag [FLAG_FREED] = 1;
856		1056
857	attachable::do_destroy ();
858
859	destroy_inv (true);
860	unlink ();
861
862	// hack to ensure that freed objects still have a valid map	1057	// hack to ensure that freed objects still have a valid map
863	{
864	static maptile *freed_map; // freed objects are moved here to avoid crashes
865
866	if (!freed_map)
867	{
868	freed_map = new maptile;
869
870	freed_map->name = "/internal/freed_objects_map";
871	freed_map->width = 3;
872	freed_map->height = 3;
873
874	freed_map->alloc ();
875	}
876
877	map = freed_map;	1058	map = &freed_map;
878	x = 1;	1059	x = 1;
879	y = 1;	1060	y = 1;
880	}
881
882	head = 0;
883		1061
884	if (more)	1062	if (more)
885	{	1063	{
886	more->destroy ();	1064	more->destroy ();
887	more = 0;	1065	more = 0;
888	}	1066	}
889		1067
		1068	head = 0;
		1069
890	// clear those pointers that likely might have circular references to us	1070	// clear those pointers that likely might cause circular references
891	owner = 0;	1071	owner = 0;
892	enemy = 0;	1072	enemy = 0;
893	attacked_by = 0;	1073	attacked_by = 0;
894		1074	current_weapon = 0;
895	// only relevant for players(?), but make sure of it anyways
896	contr = 0;
897	}	1075	}
898		1076
899	void	1077	void
900	object::destroy (bool destroy_inventory)	1078	object::destroy ()
901	{	1079	{
902	if (destroyed ())	1080	if (destroyed ())
903	return;	1081	return;
904		1082
905	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
906	destroy_inv (false);	1090	destroy_inv (false);
		1091
		1092	if (is_head ())
		1093	if (sound_destroy)
		1094	play_sound (sound_destroy);
		1095	else if (flag [FLAG_MONSTER])
		1096	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
907		1097
908	attachable::destroy ();	1098	attachable::destroy ();
909	}
910
911	/*
912	* sub_weight() recursively (outwards) subtracts a number from the
913	* weight of an object (and what is carried by it's environment(s)).
914	*/
915	void
916	sub_weight (object *op, signed long weight)
917	{
918	while (op != NULL)
919	{
920	if (op->type == CONTAINER)
921	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
922
923	op->carrying -= weight;
924	op = op->env;
925	}
926	}	1099	}
927		1100
928	/* op->remove ():	1101	/* op->remove ():
929	* 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
930	* 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
931	* object will have no environment. If the object previously had an	1104	* object will have no environment. If the object previously had an
932	* environment, the x and y coordinates will be updated to	1105	* environment, the x and y coordinates will be updated to
933	* the previous environment.	1106	* the previous environment.
934	* Beware: This function is called from the editor as well!
935	*/	1107	*/
936	void	1108	void
937	object::remove ()	1109	object::do_remove ()
938	{	1110	{
939	object *tmp, *last = 0;	1111	if (flag [FLAG_REMOVED])
940	object *otmp;
941
942	if (QUERY_FLAG (this, FLAG_REMOVED))
943	return;	1112	return;
944		1113
945	SET_FLAG (this, FLAG_REMOVED);
946	INVOKE_OBJECT (REMOVE, this);	1114	INVOKE_OBJECT (REMOVE, this);
		1115
		1116	flag [FLAG_REMOVED] = true;
947		1117
948	if (more)	1118	if (more)
949	more->remove ();	1119	more->remove ();
950		1120
951	/*	1121	/*
952	* In this case, the object to be removed is in someones	1122	* In this case, the object to be removed is in someones
953	* inventory.	1123	* inventory.
954	*/	1124	*/
955	if (env)	1125	if (env)
956	{	1126	{
957	if (nrof)	1127	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
958	sub_weight (env, weight * nrof);	1128	if (object *pl = visible_to ())
959	else	1129	esrv_del_item (pl->contr, count);
960	sub_weight (env, weight + carrying);	1130	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
961		1131
962	/* NO_FIX_PLAYER is set when a great many changes are being	1132	adjust_weight (env, -total_weight ());
963	* made to players inventory. If set, avoiding the call
964	* to save cpu time.
965	*/
966	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
967	otmp->update_stats ();
968		1133
969	if (above)	1134	object *pl = in_player ();
970	above->below = below;
971	else
972	env->inv = below;
973
974	if (below)
975	below->above = above;
976		1135
977	/* we set up values so that it could be inserted into	1136	/* we set up values so that it could be inserted into
978	* 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
979	* to the caller to decide what we want to do.	1138	* to the caller to decide what we want to do.
980	*/	1139	*/
981	x = env->x, y = env->y;
982	map = env->map;	1140	map = env->map;
983	above = 0, below = 0;	1141	x = env->x;
984	env = 0;	1142	y = env->y;
985	}
986	else if (map)
987	{
988	if (type == PLAYER)
989	{
990	--map->players;
991	map->last_access = runtime;
992	}
993		1143
994	map->dirty = true;	1144	// make sure cmov optimisation is applicable
995		1145	*(above ? &above->below : &env->inv) = below;
996	/* link the object above us */	1146	*(below ? &below->above : &above ) = above; // &above is just a dummy
997	if (above)
998	above->below = below;
999	else
1000	map->at (x, y).top = below; /* we were top, set new top */
1001
1002	/* Relink the object below us, if there is one */
1003	if (below)
1004	below->above = above;
1005	else
1006	{
1007	/* Nothing below, which means we need to relink map object for this space
1008	* use translated coordinates in case some oddness with map tiling is
1009	* evident
1010	*/
1011	if (GET_MAP_OB (map, x, y) != this)
1012	{
1013	char *dump = dump_object (this);
1014	LOG (llevError,
1015	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);
1016	free (dump);
1017	dump = dump_object (GET_MAP_OB (map, x, y));
1018	LOG (llevError, "%s\n", dump);
1019	free (dump);
1020	}
1021
1022	map->at (x, y).bot = above; /* goes on above it. */
1023	}
1024		1147
1025	above = 0;	1148	above = 0;
1026	below = 0;	1149	below = 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	}
		1159	}
		1160	else if (map)
		1161	{
		1162	map->dirty = true;
		1163	mapspace &ms = this->ms ();
		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
		1190	/* link the object above us */
		1191	// re-link, make sure compiler can easily use cmove
		1192	*(above ? &above->below : &ms.top) = below;
		1193	*(below ? &below->above : &ms.bot) = above;
		1194
		1195	above = 0;
		1196	below = 0;
		1197
		1198	ms.invalidate ();
1027		1199
1028	if (map->in_memory == MAP_SAVING)	1200	if (map->in_memory == MAP_SAVING)
1029	return;	1201	return;
1030		1202
1031	int check_walk_off = !flag [FLAG_NO_APPLY];	1203	int check_walk_off = !flag [FLAG_NO_APPLY];
1032		1204
1033	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1205	if (object *pl = ms.player ())
1034	{	1206	{
1035	/* No point updating the players look faces if he is the object	1207	if (pl->container_ () == this)
1036	* being removed.
1037	*/
1038
1039	if (tmp->type == PLAYER && tmp != this)
1040	{
1041	/* If a container that the player is currently using somehow gets	1208	/* If a container that the player is currently using somehow gets
1042	* removed (most likely destroyed), update the player view	1209	* removed (most likely destroyed), update the player view
1043	* appropriately.	1210	* appropriately.
1044	*/	1211	*/
1045	if (tmp->container == this)	1212	pl->close_container ();
1046	{
1047	flag [FLAG_APPLIED] = 0;
1048	tmp->container = 0;
1049	}
1050		1213
		1214	//TODO: the floorbox prev/next might need updating
		1215	//esrv_del_item (pl->contr, count);
		1216	//TODO: update floorbox to preserve ordering
1051	if (tmp->contr->ns)	1217	if (pl->contr->ns)
1052	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.
1053	}	1228	*/
1054		1229
1055	/* See if object moving off should effect something */	1230	/* See if object moving off should effect something */
1056	if (check_walk_off
1057	&& ((move_type & tmp->move_off)	1231	if ((move_type & tmp->move_off)
1058	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1232	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1059	{
1060	move_apply (tmp, this, 0);	1233	move_apply (tmp, this, 0);
1061
1062	if (destroyed ())
1063	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1064	}	1234	}
1065		1235
1066	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1236	if (affects_los ())
1067	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1068	if (tmp->above == tmp)
1069	tmp->above = 0;
1070
1071	last = tmp;
1072	}
1073
1074	/* last == NULL if there are no objects on this space */
1075	//TODO: this makes little sense, why only update the topmost object?
1076	if (!last)
1077	map->at (x, y).flags_ = 0;
1078	else
1079	update_object (last, UP_OBJ_REMOVE);
1080
1081	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1082	update_all_los (map, x, y);	1237	update_all_los (map, x, y);
1083	}	1238	}
1084	}	1239	}
1085		1240
1086	/*	1241	/*
…		…
1095	merge_ob (object *op, object *top)	1250	merge_ob (object *op, object *top)
1096	{	1251	{
1097	if (!op->nrof)	1252	if (!op->nrof)
1098	return 0;	1253	return 0;
1099		1254
1100	if (top)	1255	if (!top)
1101	for (top = op; top && top->above; top = top->above)	1256	for (top = op; top && top->above; top = top->above)
1102	;	1257	;
1103		1258
1104	for (; top; top = top->below)	1259	for (; top; top = top->below)
1105	{
1106	if (top == op)
1107	continue;
1108
1109	if (object::can_merge (op, top))	1260	if (object::can_merge (op, top))
1110	{	1261	{
1111	top->nrof += op->nrof;	1262	top->nrof += op->nrof;
1112		1263
1113	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1264	if (object *pl = top->visible_to ())
1114	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
1115	op->destroy ();	1270	op->destroy ();
		1271
1116	return top;	1272	return top;
1117	}	1273	}
1118	}
1119		1274
1120	return 0;	1275	return 0;
1121	}	1276	}
1122		1277
		1278	void
		1279	object::expand_tail ()
		1280	{
		1281	if (more)
		1282	return;
		1283
		1284	object *prev = this;
		1285
		1286	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1287	{
		1288	object *op = at->instance ();
		1289
		1290	op->name = name;
		1291	op->name_pl = name_pl;
		1292	op->title = title;
		1293
		1294	op->head = this;
		1295	prev->more = op;
		1296
		1297	prev = op;
		1298	}
		1299	}
		1300
1123	/*	1301	/*
1124	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1302	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1125	* job preparing multi-part monsters	1303	* job preparing multi-part monsters.
1126	*/	1304	*/
1127	object *	1305	object *
1128	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)
1129	{	1307	{
		1308	op->remove ();
		1309
1130	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1310	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1131	{	1311	{
1132	tmp->x = x + tmp->arch->clone.x;	1312	tmp->x = x + tmp->arch->x;
1133	tmp->y = y + tmp->arch->clone.y;	1313	tmp->y = y + tmp->arch->y;
1134	}	1314	}
1135		1315
1136	return insert_ob_in_map (op, m, originator, flag);	1316	return insert_ob_in_map (op, m, originator, flag);
1137	}	1317	}
1138		1318
…		…
1151	* 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
1152	* to be set if special handling is needed.	1332	* to be set if special handling is needed.
1153	*	1333	*
1154	* Return value:	1334	* Return value:
1155	* new object if 'op' was merged with other object	1335	* new object if 'op' was merged with other object
1156	* NULL if 'op' was destroyed	1336	* NULL if there was an error (destroyed, blocked etc.)
1157	* just 'op' otherwise	1337	* just 'op' otherwise
1158	*/	1338	*/
1159	object *	1339	object *
1160	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)
1161	{	1341	{
1162	object *tmp, *top, *floor = NULL;	1342	op->remove ();
1163	sint16 x, y;
1164		1343
1165	if (QUERY_FLAG (op, FLAG_FREED))	1344	if (m == &freed_map)//D TODO: remove soon
1166	{	1345	{//D
1167	LOG (llevError, "Trying to insert freed object!\n");	1346	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1168	return NULL;
1169	}	1347	}//D
1170
1171	if (!m)
1172	{
1173	char *dump = dump_object (op);
1174	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1175	free (dump);
1176	return op;
1177	}
1178
1179	if (out_of_map (m, op->x, op->y))
1180	{
1181	char *dump = dump_object (op);
1182	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1183	#ifdef MANY_CORES
1184	/* Better to catch this here, as otherwise the next use of this object
1185	* is likely to cause a crash. Better to find out where it is getting
1186	* improperly inserted.
1187	*/
1188	abort ();
1189	#endif
1190	free (dump);
1191	return op;
1192	}
1193
1194	if (!QUERY_FLAG (op, FLAG_REMOVED))
1195	{
1196	char *dump = dump_object (op);
1197	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1198	free (dump);
1199	return op;
1200	}
1201
1202	if (op->more)
1203	{
1204	/* The part may be on a different map. */
1205
1206	object *more = op->more;
1207
1208	/* We really need the caller to normalize coordinates - if
1209	* we set the map, that doesn't work if the location is within
1210	* a map and this is straddling an edge. So only if coordinate
1211	* is clear wrong do we normalize it.
1212	*/
1213	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1214	more->map = get_map_from_coord (m, &more->x, &more->y);
1215	else if (!more->map)
1216	{
1217	/* For backwards compatibility - when not dealing with tiled maps,
1218	* more->map should always point to the parent.
1219	*/
1220	more->map = m;
1221	}
1222
1223	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1224	{
1225	if (!op->head)
1226	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1227
1228	return 0;
1229	}
1230	}
1231
1232	CLEAR_FLAG (op, FLAG_REMOVED);
1233		1348
1234	/* Ideally, the caller figures this out. However, it complicates a lot	1349	/* Ideally, the caller figures this out. However, it complicates a lot
1235	* 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
1236	* need extra work	1351	* need extra work
1237	*/	1352	*/
1238	op->map = get_map_from_coord (m, &op->x, &op->y);	1353	maptile *newmap = m;
1239	x = op->x;	1354	if (!xy_normalise (newmap, op->x, op->y))
1240	y = op->y;	1355	{
		1356	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
		1357	return 0;
		1358	}
		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;
		1366	op->map = newmap;
		1367
		1368	mapspace &ms = op->ms ();
1241		1369
1242	/* this has to be done after we translate the coordinates.	1370	/* this has to be done after we translate the coordinates.
1243	*/	1371	*/
1244	if (op->nrof && !(flag & INS_NO_MERGE))	1372	if (op->nrof && !(flag & INS_NO_MERGE))
1245	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)	1373	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1246	if (object::can_merge (op, tmp))	1374	if (object::can_merge (op, tmp))
1247	{	1375	{
		1376	// TODO: we actually want to update tmp, not op,
		1377	// but some caller surely breaks when we return tmp
		1378	// from here :/
1248	op->nrof += tmp->nrof;	1379	op->nrof += tmp->nrof;
1249	tmp->destroy ();	1380	tmp->destroy ();
1250	}	1381	}
1251		1382
1252	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 */
…		…
1261	{	1392	{
1262	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");
1263	abort ();	1394	abort ();
1264	}	1395	}
1265		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
1266	op->above = originator;	1404	op->above = originator;
1267	op->below = originator->below;	1405	op->below = originator->below;
1268
1269	if (op->below)
1270	op->below->above = op;
1271	else
1272	op->ms ().bot = op;
1273
1274	/* since *below* originator, no need to update top */
1275	originator->below = op;	1406	originator->below = op;
		1407
		1408	*(op->below ? &op->below->above : &ms.bot) = op;
1276	}	1409	}
1277	else	1410	else
1278	{	1411	{
		1412	object *floor = 0;
		1413	object *top = ms.top;
		1414
1279	/* If there are other objects, then */	1415	/* If there are other objects, then */
1280	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1416	if (top)
1281	{	1417	{
1282	object *last = 0;
1283
1284	/*	1418	/*
1285	* 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.
1286	* We've already dealt with merging if appropriate.	1420	* We've already dealt with merging if appropriate.
1287	* 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
1288	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1422	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1291	* 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
1292	* 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
1293	* 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
1294	* that flying non pickable objects are spell objects.	1428	* that flying non pickable objects are spell objects.
1295	*/	1429	*/
1296	while (top)	1430	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1297	{	1431	{
1298	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))
1299	floor = top;	1433	floor = tmp;
1300		1434
1301	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))
1302	{	1436	{
1303	/* We insert above top, so we want this object below this */	1437	/* We insert above top, so we want this object below this */
1304	top = top->below;	1438	top = tmp->below;
1305	break;	1439	break;
1306	}	1440	}
1307		1441
1308	last = top;
1309	top = top->above;	1442	top = tmp;
1310	}	1443	}
1311
1312	/* Don't want top to be NULL, so set it to the last valid object */
1313	top = last;
1314		1444
1315	/* We let update_position deal with figuring out what the space	1445	/* We let update_position deal with figuring out what the space
1316	* looks like instead of lots of conditions here.	1446	* looks like instead of lots of conditions here.
1317	* makes things faster, and effectively the same result.	1447	* makes things faster, and effectively the same result.
1318	*/	1448	*/
1319		1449
1320	/* Have object 'fall below' other objects that block view.	1450	/* Have object 'fall below' other objects that block view.
1321	* Unless those objects are exits, type 66	1451	* Unless those objects are exits.
1322	* If INS_ON_TOP is used, don't do this processing	1452	* If INS_ON_TOP is used, don't do this processing
1323	* Need to find the object that in fact blocks view, otherwise	1453	* Need to find the object that in fact blocks view, otherwise
1324	* stacking is a bit odd.	1454	* stacking is a bit odd.
1325	*/	1455	*/
1326	if (!(flag & INS_ON_TOP) &&	1456	if (!(flag & INS_ON_TOP)
1327	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1457	&& ms.flags () & P_BLOCKSVIEW
		1458	&& (op->face && !faces [op->face].visibility))
1328	{	1459	{
		1460	object *last;
		1461
1329	for (last = top; last != floor; last = last->below)	1462	for (last = top; last != floor; last = last->below)
1330	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1463	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1331	break;	1464	break;
		1465
1332	/* Check to see if we found the object that blocks view,	1466	/* Check to see if we found the object that blocks view,
1333	* and make sure we have a below pointer for it so that	1467	* and make sure we have a below pointer for it so that
1334	* we can get inserted below this one, which requires we	1468	* we can get inserted below this one, which requires we
1335	* set top to the object below us.	1469	* set top to the object below us.
1336	*/	1470	*/
1337	if (last && last->below && last != floor)	1471	if (last && last->below && last != floor)
1338	top = last->below;	1472	top = last->below;
1339	}	1473	}
1340	} /* If objects on this space */	1474	} /* If objects on this space */
1341		1475
1342	if (flag & INS_MAP_LOAD)
1343	top = GET_MAP_TOP (op->map, op->x, op->y);
1344
1345	if (flag & INS_ABOVE_FLOOR_ONLY)	1476	if (flag & INS_ABOVE_FLOOR_ONLY)
1346	top = floor;	1477	top = floor;
1347		1478
1348	/* 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
1349	*/
1350
1351	/* First object on this space */
1352	if (!top)	1480	if (!top)
1353	{	1481	{
1354	op->above = GET_MAP_OB (op->map, op->x, op->y);
1355
1356	if (op->above)
1357	op->above->below = op;
1358
1359	op->below = 0;	1482	op->below = 0;
		1483	op->above = ms.bot;
1360	op->ms ().bot = op;	1484	ms.bot = op;
		1485
		1486	*(op->above ? &op->above->below : &ms.top) = op;
1361	}	1487	}
1362	else	1488	else
1363	{ /* get inserted into the stack above top */	1489	{
1364	op->above = top->above;	1490	op->above = top->above;
1365
1366	if (op->above)
1367	op->above->below = op;	1491	top->above = op;
1368		1492
1369	op->below = top;	1493	op->below = top;
1370	top->above = op;	1494	*(op->above ? &op->above->below : &ms.top) = op;
1371	}	1495	}
		1496	}
1372		1497
1373	if (!op->above)	1498	if (op->is_player ())
1374	op->ms ().top = op;
1375	} /* else not INS_BELOW_ORIGINATOR */
1376
1377	if (op->type == PLAYER)
1378	{	1499	{
1379	op->contr->do_los = 1;	1500	op->contr->do_los = 1;
1380	++op->map->players;	1501	++op->map->players;
1381	op->map->last_access = runtime;	1502	op->map->touch ();
1382	}	1503	}
1383		1504
1384	op->map->dirty = true;	1505	op->map->dirty = true;
1385		1506
1386	/* If we have a floor, we know the player, if any, will be above
1387	* it, so save a few ticks and start from there.
1388	*/
1389	if (!(flag & INS_MAP_LOAD))
1390	if (object *pl = op->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
1391	if (pl->contr->ns)	1511	if (pl->contr->ns)
1392	pl->contr->ns->floorbox_update ();	1512	pl->contr->ns->floorbox_update ();
1393		1513
1394	/* If this object glows, it may affect lighting conditions that are	1514	/* If this object glows, it may affect lighting conditions that are
1395	* 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
1396	* 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
1397	* on the map will get recalculated. The players could very well	1517	* on the map will get recalculated. The players could very well
1398	* 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 -
1399	* this should get redone to only look for players within range,	1519	* this should get redone to only look for players within range,
1400	* or just updating the P_UPTODATE for spaces within this area	1520	* or just updating the P_UPTODATE for spaces within this area
1401	* of effect may be sufficient.	1521	* of effect may be sufficient.
1402	*/	1522	*/
1403	if (op->map->darkness && (op->glow_radius != 0))	1523	if (op->affects_los ())
		1524	{
		1525	op->ms ().invalidate ();
1404	update_all_los (op->map, op->x, op->y);	1526	update_all_los (op->map, op->x, op->y);
		1527	}
1405		1528
1406	/* updates flags (blocked, alive, no magic, etc) for this map space */	1529	/* updates flags (blocked, alive, no magic, etc) for this map space */
1407	update_object (op, UP_OBJ_INSERT);	1530	update_object (op, UP_OBJ_INSERT);
1408		1531
1409	INVOKE_OBJECT (INSERT, op);	1532	INVOKE_OBJECT (INSERT, op);
…		…
1416	* blocked() and wall() work properly), and these flags are updated by	1539	* blocked() and wall() work properly), and these flags are updated by
1417	* update_object().	1540	* update_object().
1418	*/	1541	*/
1419		1542
1420	/* 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 */
1421	if (!(flag & INS_NO_WALK_ON) && !op->head)	1544	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1422	{	1545	{
1423	if (check_move_on (op, originator))	1546	if (check_move_on (op, originator))
1424	return 0;	1547	return 0;
1425		1548
1426	/* 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
1427	* walk on's.	1550	* walk on's.
1428	*/	1551	*/
1429	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1552	for (object *tmp = op->more; tmp; tmp = tmp->more)
1430	if (check_move_on (tmp, originator))	1553	if (check_move_on (tmp, originator))
1431	return 0;	1554	return 0;
1432	}	1555	}
1433		1556
1434	return op;	1557	return op;
…		…
1437	/* this function inserts an object in the map, but if it	1560	/* this function inserts an object in the map, but if it
1438	* 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.
1439	* 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.
1440	*/	1563	*/
1441	void	1564	void
1442	replace_insert_ob_in_map (const char *arch_string, object *op)	1565	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1443	{	1566	{
1444	object *tmp, *tmp1;
1445
1446	/* first search for itself and remove any old instances */	1567	/* first search for itself and remove any old instances */
1447		1568
1448	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1569	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1449	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1570	if (tmp->arch->archname == archname) /* same archetype */
1450	tmp->destroy ();	1571	tmp->destroy ();
1451		1572
1452	tmp1 = arch_to_object (archetype::find (arch_string));	1573	object *tmp = archetype::find (archname)->instance ();
1453		1574
1454	tmp1->x = op->x;	1575	tmp->x = op->x;
1455	tmp1->y = op->y;	1576	tmp->y = op->y;
		1577
1456	insert_ob_in_map (tmp1, op->map, op, 0);	1578	insert_ob_in_map (tmp, op->map, op, 0);
1457	}	1579	}
1458		1580
1459	object *	1581	object *
1460	object::insert_at (object *where, object *originator, int flags)	1582	object::insert_at (object *where, object *originator, int flags)
1461	{	1583	{
		1584	if (where->env)
		1585	return where->env->insert (this);
		1586	else
1462	where->map->insert (this, where->x, where->y, originator, flags);	1587	return where->map->insert (this, where->x, where->y, originator, flags);
1463	}	1588	}
1464		1589
1465	/*	1590	// check whether we can put this into the map, respect max_volume, max_items
1466	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1591	bool
1467	* is returned contains nr objects, and the remaining parts contains	1592	object::can_drop_at (maptile *m, int x, int y, object *originator)
1468	* the rest (or is removed and freed if that number is 0).
1469	* On failure, NULL is returned, and the reason put into the
1470	* global static errmsg array.
1471	*/
1472	object *
1473	get_split_ob (object *orig_ob, uint32 nr)
1474	{	1593	{
1475	object *newob;	1594	mapspace &ms = m->at (x, y);
1476	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1477		1595
1478	if (orig_ob->nrof < nr)	1596	int items = ms.items ();
1479	{
1480	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1481	return NULL;
1482	}
1483		1597
1484	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;
1485		1602
1486	if ((orig_ob->nrof -= nr) < 1)	1603	if (originator && originator->is_player ())
1487	orig_ob->destroy (1);	1604	originator->contr->failmsg (format (
1488	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.>",
1489	{	1606	query_name ()
1490	if (orig_ob->env != NULL)	1607	));
1491	sub_weight (orig_ob->env, orig_ob->weight * nr);
1492	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1493	{
1494	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1495	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1496	return NULL;
1497	}
1498	}
1499		1608
1500	newob->nrof = nr;	1609	return false;
1501
1502	return newob;
1503	}	1610	}
1504		1611
1505	/*	1612	/*
1506	* decrease_ob_nr(object, number) decreases a specified number from	1613	* decrease(object, number) decreases a specified number from
1507	* 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
1508	* is subsequently removed and freed.	1615	* is subsequently removed and freed.
1509	*	1616	*
1510	* 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
1511	*/	1618	*/
		1619	bool
		1620	object::decrease (sint32 nr)
		1621	{
		1622	if (!nr)
		1623	return true;
1512		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	*/
1513	object *	1650	object *
1514	decrease_ob_nr (object *op, uint32 i)	1651	object::split (sint32 nr)
1515	{	1652	{
1516	object *tmp;	1653	int have = number_of ();
1517		1654
1518	if (i == 0) /* objects with op->nrof require this check */	1655	if (have < nr)
1519	return op;	1656	return 0;
1520		1657	else if (have == nr)
1521	if (i > op->nrof)
1522	i = op->nrof;
1523
1524	if (QUERY_FLAG (op, FLAG_REMOVED))
1525	op->nrof -= i;
1526	else if (op->env)
1527	{	1658	{
1528	/* is this object in the players inventory, or sub container
1529	* therein?
1530	*/
1531	tmp = op->in_player ();
1532	/* nope. Is this a container the player has opened?
1533	* If so, set tmp to that player.
1534	* IMO, searching through all the players will mostly
1535	* likely be quicker than following op->env to the map,
1536	* and then searching the map for a player.
1537	*/
1538	if (!tmp)
1539	for_all_players (pl)
1540	if (pl->ob->container == op->env)
1541	{
1542	tmp = pl->ob;
1543	break;
1544	}
1545
1546	if (i < op->nrof)
1547	{
1548	sub_weight (op->env, op->weight * i);
1549	op->nrof -= i;
1550	if (tmp)
1551	esrv_send_item (tmp, op);
1552	}
1553	else
1554	{
1555	op->remove ();	1659	remove ();
1556	op->nrof = 0;	1660	return this;
1557	if (tmp)
1558	esrv_del_item (tmp->contr, op->count);
1559	}
1560	}	1661	}
1561	else	1662	else
1562	{	1663	{
1563	object *above = op->above;	1664	decrease (nr);
1564		1665
1565	if (i < op->nrof)	1666	object *op = deep_clone ();
1566	op->nrof -= i;	1667	op->nrof = nr;
1567	else
1568	{
1569	op->remove ();
1570	op->nrof = 0;
1571	}
1572
1573	/* Since we just removed op, op->above is null */
1574	for (tmp = above; tmp; tmp = tmp->above)
1575	if (tmp->type == PLAYER)
1576	{
1577	if (op->nrof)
1578	esrv_send_item (tmp, op);
1579	else
1580	esrv_del_item (tmp->contr, op->count);
1581	}
1582	}
1583
1584	if (op->nrof)
1585	return op;	1668	return op;
1586	else
1587	{
1588	op->destroy ();
1589	return 0;
1590	}
1591	}
1592
1593	/*
1594	* add_weight(object, weight) adds the specified weight to an object,
1595	* and also updates how much the environment(s) is/are carrying.
1596	*/
1597
1598	void
1599	add_weight (object *op, signed long weight)
1600	{
1601	while (op != NULL)
1602	{
1603	if (op->type == CONTAINER)
1604	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1605
1606	op->carrying += weight;
1607	op = op->env;
1608	}	1669	}
1609	}	1670	}
1610		1671
1611	object *	1672	object *
1612	insert_ob_in_ob (object *op, object *where)	1673	insert_ob_in_ob (object *op, object *where)
…		…
1617	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1678	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1618	free (dump);	1679	free (dump);
1619	return op;	1680	return op;
1620	}	1681	}
1621		1682
1622	if (where->head)	1683	if (where->head_ () != where)
1623	{	1684	{
1624	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1685	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1625	where = where->head;	1686	where = where->head;
1626	}	1687	}
1627		1688
1628	return where->insert (op);	1689	return where->insert (op);
1629	}	1690	}
…		…
1634	* inside the object environment.	1695	* inside the object environment.
1635	*	1696	*
1636	* The function returns now pointer to inserted item, and return value can	1697	* The function returns now pointer to inserted item, and return value can
1637	* be != op, if items are merged. -Tero	1698	* be != op, if items are merged. -Tero
1638	*/	1699	*/
1639
1640	object *	1700	object *
1641	object::insert (object *op)	1701	object::insert (object *op)
1642	{	1702	{
1643	object *tmp, *otmp;
1644
1645	if (!QUERY_FLAG (op, FLAG_REMOVED))
1646	op->remove ();
1647
1648	if (op->more)	1703	if (op->more)
1649	{	1704	{
1650	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);
1651	return op;	1706	return op;
1652	}	1707	}
1653		1708
1654	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1709	op->remove ();
1655	CLEAR_FLAG (op, FLAG_REMOVED);	1710
		1711	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1712
1656	if (op->nrof)	1713	if (op->nrof)
1657	{
1658	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1714	for (object *tmp = inv; tmp; tmp = tmp->below)
1659	if (object::can_merge (tmp, op))	1715	if (object::can_merge (tmp, op))
1660	{	1716	{
1661	/* return the original object and remove inserted object	1717	/* return the original object and remove inserted object
1662	(client needs the original object) */	1718	(client needs the original object) */
1663	tmp->nrof += op->nrof;	1719	tmp->nrof += op->nrof;
1664	/* Weight handling gets pretty funky. Since we are adding to	1720
1665	* tmp->nrof, we need to increase the weight.	1721	if (object *pl = tmp->visible_to ())
1666	*/	1722	esrv_update_item (UPD_NROF, pl, tmp);
		1723
1667	add_weight (this, op->weight * op->nrof);	1724	adjust_weight (this, op->total_weight ());
1668	SET_FLAG (op, FLAG_REMOVED);	1725
1669	op->destroy (); /* free the inserted object */	1726	op->destroy ();
1670	op = tmp;	1727	op = tmp;
1671	op->remove (); /* and fix old object's links */	1728	goto inserted;
1672	CLEAR_FLAG (op, FLAG_REMOVED);
1673	break;
1674	}	1729	}
1675		1730
1676	/* I assume combined objects have no inventory	1731	op->owner = 0; // it's his/hers now. period.
1677	* We add the weight - this object could have just been removed
1678	* (if it was possible to merge). calling remove_ob will subtract
1679	* the weight, so we need to add it in again, since we actually do
1680	* the linking below
1681	*/
1682	add_weight (this, op->weight * op->nrof);
1683	}
1684	else
1685	add_weight (this, (op->weight + op->carrying));
1686
1687	otmp = this->in_player ();
1688	if (otmp && otmp->contr)
1689	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1690	otmp->update_stats ();
1691
1692	op->map = 0;	1732	op->map = 0;
1693	op->env = this;	1733	op->x = 0;
		1734	op->y = 0;
		1735
1694	op->above = 0;	1736	op->above = 0;
1695	op->below = 0;	1737	op->below = inv;
1696	op->x = 0, op->y = 0;	1738	op->env = this;
1697		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:
1698	/* 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 */
1699	if ((op->glow_radius != 0) && map)	1754	if (op->glow_radius && is_on_map ())
1700	{	1755	{
1701	#ifdef DEBUG_LIGHTS	1756	update_stats ();
1702	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1703	#endif /* DEBUG_LIGHTS */
1704	if (map->darkness)
1705	update_all_los (map, x, y);	1757	update_all_los (map, x, y);
1706	}
1707
1708	/* Client has no idea of ordering so lets not bother ordering it here.
1709	* It sure simplifies this function...
1710	*/
1711	if (!inv)
1712	inv = op;
1713	else
1714	{	1758	}
1715	op->below = inv;	1759	else if (is_player ())
1716	op->below->above = op;	1760	// if this is a player's inventory, update stats
1717	inv = op;	1761	contr->queue_stats_update ();
1718	}
1719		1762
1720	INVOKE_OBJECT (INSERT, this);	1763	INVOKE_OBJECT (INSERT, this);
1721		1764
1722	return op;	1765	return op;
1723	}	1766	}
…		…
1743	* on top.	1786	* on top.
1744	*/	1787	*/
1745	int	1788	int
1746	check_move_on (object *op, object *originator)	1789	check_move_on (object *op, object *originator)
1747	{	1790	{
		1791	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1792	return 0;
		1793
1748	object *tmp;	1794	object *tmp;
1749	maptile *m = op->map;	1795	maptile *m = op->map;
1750	int x = op->x, y = op->y;	1796	int x = op->x, y = op->y;
1751		1797
1752	MoveType move_on, move_slow, move_block;	1798	mapspace &ms = m->at (x, y);
1753		1799
1754	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1800	ms.update ();
1755	return 0;
1756		1801
1757	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1802	MoveType move_on = ms.move_on;
1758	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1803	MoveType move_slow = ms.move_slow;
1759	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1804	MoveType move_block = ms.move_block;
1760		1805
1761	/* 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,
1762	* 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
1763	* 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
1764	* as walking.	1809	* as walking.
…		…
1775	return 0;	1820	return 0;
1776		1821
1777	/* The objects have to be checked from top to bottom.	1822	/* The objects have to be checked from top to bottom.
1778	* Hence, we first go to the top:	1823	* Hence, we first go to the top:
1779	*/	1824	*/
1780		1825	for (object *next, *tmp = ms.top; tmp; tmp = next)
1781	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)
1782	{
1783	/* Trim the search when we find the first other spell effect
1784	* this helps performance so that if a space has 50 spell objects,
1785	* we don't need to check all of them.
1786	*/
1787	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1788	break;
1789	}	1826	{
		1827	next = tmp->below;
1790		1828
1791	for (; tmp; tmp = tmp->below)
1792	{
1793	if (tmp == op)	1829	if (tmp == op)
1794	continue; /* Can't apply yourself */	1830	continue; /* Can't apply yourself */
1795		1831
1796	/* 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.
1797	* Second check makes sure that the movement types not being slowed	1833	* Second check makes sure that the movement types not being slowed
…		…
1802	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1838	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1803	{	1839	{
1804	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1840	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1805	((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))
1806	{	1842	{
1807
1808	float
1809	diff = tmp->move_slow_penalty * FABS (op->speed);	1843	float diff = tmp->move_slow_penalty * fabs (op->speed);
1810		1844
1811	if (op->type == PLAYER)	1845	if (op->is_player ())
1812	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)) ||
1813	(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)))
1814	diff /= 4.0;	1848	diff /= 4.0;
1815		1849
1816	op->speed_left -= diff;	1850	op->speed_left -= diff;
1817	}	1851	}
1818	}	1852	}
…		…
1844	* The first matching object is returned, or NULL if none.	1878	* The first matching object is returned, or NULL if none.
1845	*/	1879	*/
1846	object *	1880	object *
1847	present_arch (const archetype *at, maptile *m, int x, int y)	1881	present_arch (const archetype *at, maptile *m, int x, int y)
1848	{	1882	{
1849	if (m == NULL || out_of_map (m, x, y))	1883	if (!m || out_of_map (m, x, y))
1850	{	1884	{
1851	LOG (llevError, "Present_arch called outside map.\n");	1885	LOG (llevError, "Present_arch called outside map.\n");
1852	return NULL;	1886	return NULL;
1853	}	1887	}
1854		1888
1855	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1889	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1856	if (tmp->arch == at)	1890	if (tmp->arch->archname == at->archname)
1857	return tmp;	1891	return tmp;
1858		1892
1859	return NULL;	1893	return NULL;
1860	}	1894	}
1861		1895
…		…
1871	{	1905	{
1872	LOG (llevError, "Present called outside map.\n");	1906	LOG (llevError, "Present called outside map.\n");
1873	return NULL;	1907	return NULL;
1874	}	1908	}
1875		1909
1876	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1910	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1877	if (tmp->type == type)	1911	if (tmp->type == type)
1878	return tmp;	1912	return tmp;
1879		1913
1880	return NULL;	1914	return NULL;
1881	}	1915	}
…		…
1925	* The first matching object is returned, or NULL if none.	1959	* The first matching object is returned, or NULL if none.
1926	*/	1960	*/
1927	object *	1961	object *
1928	present_arch_in_ob (const archetype *at, const object *op)	1962	present_arch_in_ob (const archetype *at, const object *op)
1929	{	1963	{
1930	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1964	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1931	if (tmp->arch == at)	1965	if (tmp->arch->archname == at->archname)
1932	return tmp;	1966	return tmp;
1933		1967
1934	return NULL;	1968	return NULL;
1935	}	1969	}
1936		1970
…		…
1938	* activate recursively a flag on an object inventory	1972	* activate recursively a flag on an object inventory
1939	*/	1973	*/
1940	void	1974	void
1941	flag_inv (object *op, int flag)	1975	flag_inv (object *op, int flag)
1942	{	1976	{
1943	if (op->inv)
1944	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1977	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1945	{	1978	{
1946	SET_FLAG (tmp, flag);	1979	SET_FLAG (tmp, flag);
1947	flag_inv (tmp, flag);	1980	flag_inv (tmp, flag);
1948	}	1981	}
1949	}	1982	}
1950		1983
1951	/*	1984	/*
1952	* deactivate recursively a flag on an object inventory	1985	* deactivate recursively a flag on an object inventory
1953	*/	1986	*/
1954	void	1987	void
1955	unflag_inv (object *op, int flag)	1988	unflag_inv (object *op, int flag)
1956	{	1989	{
1957	if (op->inv)
1958	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1990	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1959	{	1991	{
1960	CLEAR_FLAG (tmp, flag);	1992	CLEAR_FLAG (tmp, flag);
1961	unflag_inv (tmp, flag);	1993	unflag_inv (tmp, flag);
1962	}	1994	}
1963	}
1964
1965	/*
1966	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1967	* all it's inventory (recursively).
1968	* If checksums are used, a player will get set_cheat called for
1969	* him/her-self and all object carried by a call to this function.
1970	*/
1971	void
1972	set_cheat (object *op)
1973	{
1974	SET_FLAG (op, FLAG_WAS_WIZ);
1975	flag_inv (op, FLAG_WAS_WIZ);
1976	}	1995	}
1977		1996
1978	/*	1997	/*
1979	* 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
1980	* 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
…		…
1982	* to search (see the freearr_x/y[] definition).	2001	* to search (see the freearr_x/y[] definition).
1983	* It returns a random choice among the alternatives found.	2002	* It returns a random choice among the alternatives found.
1984	* 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
1985	* does all 4 immediate directions). This returns the index into the	2004	* does all 4 immediate directions). This returns the index into the
1986	* 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)
1987	* Note - this only checks to see if there is space for the head of the
1988	* object - if it is a multispace object, this should be called for all
1989	* pieces.
1990	* Note2: This function does correctly handle tiled maps, but does not	2006	* Note: This function does correctly handle tiled maps, but does not
1991	* inform the caller. However, insert_ob_in_map will update as	2007	* inform the caller. However, insert_ob_in_map will update as
1992	* 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.
1993	* 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
1994	* 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
1995	* 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
…		…
1997	* customized, changed states, etc.	2013	* customized, changed states, etc.
1998	*/	2014	*/
1999	int	2015	int
2000	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)
2001	{	2017	{
		2018	int altern[SIZEOFFREE];
2002	int index = 0, flag;	2019	int index = 0, flag;
2003	int altern[SIZEOFFREE];
2004		2020
2005	for (int i = start; i < stop; i++)	2021	for (int i = start; i < stop; i++)
2006	{	2022	{
2007	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2023	mapxy pos (m, x, y); pos.move (i);
2008	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	{
2009	altern [index++] = i;	2039	altern [index++] = i;
		2040	continue;
		2041	}
2010		2042
2011	/* 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.
2012	* 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.
2013	* 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 -
2014	* 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
2015	* 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
2016	* to only the spaces immediately surrounding the target area, and	2048	* to only the spaces immediately surrounding the target area, and
2017	* won't look 2 spaces south of the target space.	2049	* won't look 2 spaces south of the target space.
2018	*/	2050	*/
2019	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2051	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2052	{
2020	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;
2021	}	2067	}
2022		2068
2023	if (!index)	2069	if (!index)
2024	return -1;	2070	return -1;
2025		2071
2026	return altern[RANDOM () % index];	2072	return altern [rndm (index)];
2027	}	2073	}
2028		2074
2029	/*	2075	/*
2030	* find_first_free_spot(archetype, maptile, x, y) works like	2076	* find_first_free_spot(archetype, maptile, x, y) works like
2031	* find_free_spot(), but it will search max number of squares.	2077	* find_free_spot(), but it will search max number of squares.
…		…
2034	*/	2080	*/
2035	int	2081	int
2036	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)
2037	{	2083	{
2038	for (int i = 0; i < SIZEOFFREE; i++)	2084	for (int i = 0; i < SIZEOFFREE; i++)
2039	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]))
2040	return i;	2086	return i;
2041		2087
2042	return -1;	2088	return -1;
2043	}	2089	}
2044		2090
…		…
2052	{	2098	{
2053	arr += begin;	2099	arr += begin;
2054	end -= begin;	2100	end -= begin;
2055		2101
2056	while (--end)	2102	while (--end)
2057	swap (arr [end], arr [RANDOM () % (end + 1)]);	2103	swap (arr [end], arr [rndm (end + 1)]);
2058	}	2104	}
2059		2105
2060	/* new function to make monster searching more efficient, and effective!	2106	/* new function to make monster searching more efficient, and effective!
2061	* This basically returns a randomized array (in the passed pointer) of	2107	* This basically returns a randomized array (in the passed pointer) of
2062	* the spaces to find monsters. In this way, it won't always look for	2108	* the spaces to find monsters. In this way, it won't always look for
…		…
2090	* there is capable of.	2136	* there is capable of.
2091	*/	2137	*/
2092	int	2138	int
2093	find_dir (maptile *m, int x, int y, object *exclude)	2139	find_dir (maptile *m, int x, int y, object *exclude)
2094	{	2140	{
2095	int i, max = SIZEOFFREE, mflags;	2141	int max = SIZEOFFREE, mflags;
2096
2097	sint16 nx, ny;
2098	object *tmp;
2099	maptile *mp;
2100
2101	MoveType blocked, move_type;	2142	MoveType move_type;
2102		2143
2103	if (exclude && exclude->head)	2144	if (exclude && exclude->head_ () != exclude)
2104	{	2145	{
2105	exclude = exclude->head;	2146	exclude = exclude->head;
2106	move_type = exclude->move_type;	2147	move_type = exclude->move_type;
2107	}	2148	}
2108	else	2149	else
2109	{	2150	{
2110	/* 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. */
2111	move_type = MOVE_ALL;	2152	move_type = MOVE_ALL;
2112	}	2153	}
2113		2154
2114	for (i = 1; i < max; i++)	2155	for (int i = 1; i < max; i++)
2115	{	2156	{
2116	mp = m;	2157	mapxy pos (m, x, y);
2117	nx = x + freearr_x[i];	2158	pos.move (i);
2118	ny = y + freearr_y[i];
2119		2159
2120	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2160	if (!pos.normalise ())
2121
2122	if (mflags & P_OUT_OF_MAP)
2123	max = maxfree[i];	2161	max = maxfree[i];
2124	else	2162	else
2125	{	2163	{
2126	mapspace &ms = mp->at (nx, ny);	2164	mapspace &ms = *pos;
2127		2165
2128	blocked = ms.move_block;
2129
2130	if ((move_type & blocked) == move_type)	2166	if ((move_type & ms.move_block) == move_type)
2131	max = maxfree[i];	2167	max = maxfree [i];
2132	else if (mflags & P_IS_ALIVE)	2168	else if (ms.flags () & P_IS_ALIVE)
2133	{	2169	{
2134	for (tmp = ms.bot; tmp; tmp = tmp->above)	2170	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2135	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2171	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2136	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2172	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2137	break;
2138
2139	if (tmp)
2140	return freedir[i];	2173	return freedir [i];
2141	}	2174	}
2142	}	2175	}
2143	}	2176	}
2144		2177
2145	return 0;	2178	return 0;
…		…
2196		2229
2197	return 3;	2230	return 3;
2198	}	2231	}
2199		2232
2200	/*	2233	/*
2201	* absdir(int): Returns a number between 1 and 8, which represent
2202	* the "absolute" direction of a number (it actually takes care of
2203	* "overflow" in previous calculations of a direction).
2204	*/
2205
2206	int
2207	absdir (int d)
2208	{
2209	while (d < 1)
2210	d += 8;
2211
2212	while (d > 8)
2213	d -= 8;
2214
2215	return d;
2216	}
2217
2218	/*
2219	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2234	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2220	* between two directions (which are expected to be absolute (see absdir())	2235	* between two directions (which are expected to be absolute (see absdir())
2221	*/	2236	*/
2222
2223	int	2237	int
2224	dirdiff (int dir1, int dir2)	2238	dirdiff (int dir1, int dir2)
2225	{	2239	{
2226	int d;	2240	int d;
2227		2241
…		…
2239	* 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
2240	* 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.
2241	* 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
2242	* functions.	2256	* functions.
2243	*/	2257	*/
2244	int reduction_dir[SIZEOFFREE][3] = {	2258	static const int reduction_dir[SIZEOFFREE][3] = {
2245	{0, 0, 0}, /* 0 */	2259	{0, 0, 0}, /* 0 */
2246	{0, 0, 0}, /* 1 */	2260	{0, 0, 0}, /* 1 */
2247	{0, 0, 0}, /* 2 */	2261	{0, 0, 0}, /* 2 */
2248	{0, 0, 0}, /* 3 */	2262	{0, 0, 0}, /* 3 */
2249	{0, 0, 0}, /* 4 */	2263	{0, 0, 0}, /* 4 */
…		…
2340	* 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
2341	* core dumps if they do.	2355	* core dumps if they do.
2342	*	2356	*
2343	* 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)
2344	*/	2358	*/
2345
2346	int	2359	int
2347	can_pick (const object *who, const object *item)	2360	can_pick (const object *who, const object *item)
2348	{	2361	{
2349	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2362	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2350	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2363	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2351	!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));
2352	}	2365	}
2353		2366
2354	/*	2367	/*
2355	* create clone from object to another	2368	* create clone from object to another
2356	*/	2369	*/
2357	object *	2370	object *
2358	object_create_clone (object *asrc)	2371	object::deep_clone ()
2359	{	2372	{
2360	object *dst = 0, *tmp, *src, *part, *prev, *item;	2373	assert (("deep_clone called on non-head object", is_head ()));
2361		2374
2362	if (!asrc)	2375	object *dst = clone ();
2363	return 0;
2364		2376
2365	src = asrc;	2377	object *prev = dst;
2366	if (src->head)
2367	src = src->head;
2368
2369	prev = 0;
2370	for (part = src; part; part = part->more)	2378	for (object *part = this->more; part; part = part->more)
2371	{	2379	{
2372	tmp = part->clone ();	2380	object *tmp = part->clone ();
2373	tmp->x -= src->x;
2374	tmp->y -= src->y;
2375
2376	if (!part->head)
2377	{
2378	dst = tmp;
2379	tmp->head = 0;
2380	}
2381	else
2382	tmp->head = dst;	2381	tmp->head = dst;
2383
2384	tmp->more = 0;
2385
2386	if (prev)
2387	prev->more = tmp;	2382	prev->more = tmp;
2388
2389	prev = tmp;	2383	prev = tmp;
2390	}	2384	}
2391		2385
2392	for (item = src->inv; item; item = item->below)	2386	for (object *item = inv; item; item = item->below)
2393	insert_ob_in_ob (object_create_clone (item), dst);	2387	insert_ob_in_ob (item->deep_clone (), dst);
2394		2388
2395	return dst;	2389	return dst;
2396	}
2397
2398	/* GROS - Creates an object using a string representing its content. */
2399	/* Basically, we save the content of the string to a temp file, then call */
2400	/* load_object on it. I admit it is a highly inefficient way to make things, */
2401	/* but it was simple to make and allows reusing the load_object function. */
2402	/* Remember not to use load_object_str in a time-critical situation. */
2403	/* Also remember that multiparts objects are not supported for now. */
2404	object *
2405	load_object_str (const char *obstr)
2406	{
2407	object *op;
2408	char filename[MAX_BUF];
2409
2410	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2411
2412	FILE *tempfile = fopen (filename, "w");
2413
2414	if (tempfile == NULL)
2415	{
2416	LOG (llevError, "Error - Unable to access load object temp file\n");
2417	return NULL;
2418	}
2419
2420	fprintf (tempfile, obstr);
2421	fclose (tempfile);
2422
2423	op = object::create ();
2424
2425	object_thawer thawer (filename);
2426
2427	if (thawer)
2428	load_object (thawer, op, 0);
2429
2430	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2431	CLEAR_FLAG (op, FLAG_REMOVED);
2432
2433	return op;
2434	}	2390	}
2435		2391
2436	/* This returns the first object in who's inventory that	2392	/* This returns the first object in who's inventory that
2437	* has the same type and subtype match.	2393	* has the same type and subtype match.
2438	* returns NULL if no match.	2394	* returns NULL if no match.
…		…
2445	return tmp;	2401	return tmp;
2446		2402
2447	return 0;	2403	return 0;
2448	}	2404	}
2449		2405
2450	/* If ob has a field named key, return the link from the list,	2406	shstr_tmp
2451	* otherwise return NULL.	2407	object::kv_get (shstr_tmp key) const
2452	*
2453	* key must be a passed in shared string - otherwise, this won't
2454	* do the desired thing.
2455	*/
2456	key_value *
2457	get_ob_key_link (const object *ob, const char *key)
2458	{	2408	{
2459	for (key_value *link = ob->key_values; link; link = link->next)	2409	for (key_value *kv = key_values; kv; kv = kv->next)
2460	if (link->key == key)	2410	if (kv->key == key)
2461	return link;
2462
2463	return 0;
2464	}
2465
2466	/*
2467	* Returns the value of op has an extra_field for key, or NULL.
2468	*
2469	* The argument doesn't need to be a shared string.
2470	*
2471	* The returned string is shared.
2472	*/
2473	const char *
2474	get_ob_key_value (const object *op, const char *const key)
2475	{
2476	key_value *link;
2477	shstr_cmp canonical_key (key);
2478
2479	if (!canonical_key)
2480	{
2481	/* 1. There being a field named key on any object
2482	* implies there'd be a shared string to find.
2483	* 2. Since there isn't, no object has this field.
2484	* 3. Therefore, *this* object doesn't have this field.
2485	*/
2486	return 0;
2487	}
2488
2489	/* This is copied from get_ob_key_link() above -
2490	* only 4 lines, and saves the function call overhead.
2491	*/
2492	for (link = op->key_values; link; link = link->next)
2493	if (link->key == canonical_key)
2494	return link->value;	2411	return kv->value;
2495		2412
2496	return 0;	2413	return shstr ();
2497	}	2414	}
2498		2415
2499		2416	void
2500	/*	2417	object::kv_set (shstr_tmp key, shstr_tmp value)
2501	* Updates the canonical_key in op to value.
2502	*
2503	* canonical_key is a shared string (value doesn't have to be).
2504	*
2505	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2506	* keys.
2507	*
2508	* Returns TRUE on success.
2509	*/
2510	int
2511	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2512	{	2418	{
2513	key_value *field = NULL, *last = NULL;	2419	for (key_value *kv = key_values; kv; kv = kv->next)
2514		2420	if (kv->key == key)
2515	for (field = op->key_values; field != NULL; field = field->next)
2516	{
2517	if (field->key != canonical_key)
2518	{	2421	{
2519	last = field;	2422	kv->value = value;
2520	continue;	2423	return;
2521	}	2424	}
2522		2425
2523	if (value)	2426	key_value *kv = new key_value;
2524	field->value = value;	2427
2525	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)
2526	{	2440	{
2527	/* Basically, if the archetype has this key set,	2441	key_value *kv = *kvp;
2528	* we need to store the null value so when we save	2442	*kvp = (*kvp)->next;
2529	* it, we save the empty value so that when we load,	2443	delete kv;
2530	* we get this value back again.	2444	return;
2531	*/
2532	if (get_ob_key_link (&op->arch->clone, canonical_key))
2533	field->value = 0;
2534	else
2535	{
2536	if (last)
2537	last->next = field->next;
2538	else
2539	op->key_values = field->next;
2540
2541	delete field;
2542	}
2543	}	2445	}
2544	return TRUE;
2545	}
2546	/* IF we get here, key doesn't exist */
2547
2548	/* No field, we'll have to add it. */
2549
2550	if (!add_key)
2551	return FALSE;
2552
2553	/* There isn't any good reason to store a null
2554	* value in the key/value list. If the archetype has
2555	* this key, then we should also have it, so shouldn't
2556	* be here. If user wants to store empty strings,
2557	* should pass in ""
2558	*/
2559	if (value == NULL)
2560	return TRUE;
2561
2562	field = new key_value;
2563
2564	field->key = canonical_key;
2565	field->value = value;
2566	/* Usual prepend-addition. */
2567	field->next = op->key_values;
2568	op->key_values = field;
2569
2570	return TRUE;
2571	}
2572
2573	/*
2574	* Updates the key in op to value.
2575	*
2576	* If add_key is FALSE, this will only update existing keys,
2577	* and not add new ones.
2578	* In general, should be little reason FALSE is ever passed in for add_key
2579	*
2580	* Returns TRUE on success.
2581	*/
2582	int
2583	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2584	{
2585	shstr key_ (key);
2586
2587	return set_ob_key_value_s (op, key_, value, add_key);
2588	}	2446	}
2589		2447
2590	object::depth_iterator::depth_iterator (object *container)	2448	object::depth_iterator::depth_iterator (object *container)
2591	: iterator_base (container)	2449	: iterator_base (container)
2592	{	2450	{
…		…
2606	}	2464	}
2607	else	2465	else
2608	item = item->env;	2466	item = item->env;
2609	}	2467	}
2610		2468
2611
2612	const char *	2469	const char *
2613	object::flag_desc (char *desc, int len) const	2470	object::flag_desc (char *desc, int len) const
2614	{	2471	{
2615	char *p = desc;	2472	char *p = desc;
2616	bool first = true;	2473	bool first = true;
		2474
		2475	*p = 0;
2617		2476
2618	for (int i = 0; i < NUM_FLAGS; i++)	2477	for (int i = 0; i < NUM_FLAGS; i++)
2619	{	2478	{
2620	if (len <= 10) // magic constant!	2479	if (len <= 10) // magic constant!
2621	{	2480	{
2622	snprintf (p, len, ",...");	2481	snprintf (p, len, ",...");
2623	break;	2482	break;
2624	}	2483	}
2625		2484
2626	if (flag[i])	2485	if (flag [i])
2627	{	2486	{
2628	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);	2487	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
2629	len -= cnt;	2488	len -= cnt;
2630	p += cnt;	2489	p += cnt;
2631	first = false;	2490	first = false;
…		…
2633	}	2492	}
2634		2493
2635	return desc;	2494	return desc;
2636	}	2495	}
2637		2496
2638	// return a suitable string describing an objetc in enough detail to find it	2497	// return a suitable string describing an object in enough detail to find it
2639	const char *	2498	const char *
2640	object::debug_desc (char *info) const	2499	object::debug_desc (char *info) const
2641	{	2500	{
2642	char flagdesc[512];	2501	char flagdesc[512];
2643	char info2[256 * 4];	2502	char info2[256 * 4];
2644	char *p = info;	2503	char *p = info;
2645		2504
2646	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}",
2647	count, uuid.seq,	2506	count,
		2507	uuid.c_str (),
2648	&name,	2508	&name,
2649	title ? "\",title:" : "",	2509	title ? ",title:\"" : "",
2650	title ? (const char *)title : "",	2510	title ? (const char *)title : "",
		2511	title ? "\"" : "",
2651	flag_desc (flagdesc, 512), type);	2512	flag_desc (flagdesc, 512), type);
2652		2513
2653	if (env)	2514	if (!flag[FLAG_REMOVED] && env)
2654	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2515	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2655		2516
2656	if (map)	2517	if (map)
2657	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);
2658		2519
…		…
2660	}	2521	}
2661		2522
2662	const char *	2523	const char *
2663	object::debug_desc () const	2524	object::debug_desc () const
2664	{	2525	{
2665	static char info[256 * 3];	2526	static char info[3][256 * 4];
		2527	static int info_idx;
		2528
2666	return debug_desc (info);	2529	return debug_desc (info [++info_idx % 3]);
2667	}	2530	}
2668		2531
		2532	struct region *
		2533	object::region () const
		2534	{
		2535	return map ? map->region (x, y)
		2536	: region::default_region ();
		2537	}
		2538
		2539	void
		2540	object::open_container (object *new_container)
		2541	{
		2542	if (container == new_container)
		2543	return;
		2544
		2545	object *old_container = container;
		2546
		2547	if (old_container)
		2548	{
		2549	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2550	return;
		2551
		2552	#if 0
		2553	// remove the "Close old_container" object.
		2554	if (object *closer = old_container->inv)
		2555	if (closer->type == CLOSE_CON)
		2556	closer->destroy ();
		2557	#endif
		2558
		2559	// make sure the container is available
		2560	esrv_send_item (this, old_container);
		2561
		2562	old_container->flag [FLAG_APPLIED] = false;
		2563	container = 0;
		2564
		2565	// client needs item update to make it work, client bug requires this to be separate
		2566	esrv_update_item (UPD_FLAGS, this, old_container);
		2567
		2568	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2569	play_sound (sound_find ("chest_close"));
		2570	}
		2571
		2572	if (new_container)
		2573	{
		2574	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2575	return;
		2576
		2577	// TODO: this does not seem to serve any purpose anymore?
		2578	#if 0
		2579	// insert the "Close Container" object.
		2580	if (archetype *closer = new_container->other_arch)
		2581	{
		2582	object *closer = new_container->other_arch->instance ();
		2583	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2584	new_container->insert (closer);
		2585	}
		2586	#endif
		2587
		2588	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2589
		2590	// make sure the container is available, client bug requires this to be separate
		2591	esrv_send_item (this, new_container);
		2592
		2593	new_container->flag [FLAG_APPLIED] = true;
		2594	container = new_container;
		2595
		2596	// client needs flag change
		2597	esrv_update_item (UPD_FLAGS, this, new_container);
		2598	esrv_send_inventory (this, new_container);
		2599	play_sound (sound_find ("chest_open"));
		2600	}
		2601	// else if (!old_container->env && contr && contr->ns)
		2602	// contr->ns->floorbox_reset ();
		2603	}
		2604
		2605	object *
		2606	object::force_find (shstr_tmp name)
		2607	{
		2608	/* cycle through his inventory to look for the MARK we want to
		2609	* place
		2610	*/
		2611	for (object *tmp = inv; tmp; tmp = tmp->below)
		2612	if (tmp->type == FORCE && tmp->slaying == name)
		2613	return splay (tmp);
		2614
		2615	return 0;
		2616	}
		2617
		2618	//-GPL
		2619
		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 *
		2630	object::force_add (shstr_tmp name, int duration)
		2631	{
		2632	if (object *force = force_find (name))
		2633	force->destroy ();
		2634
		2635	object *force = get_archetype (FORCE_NAME);
		2636
		2637	force->slaying = name;
		2638	force->force_set_timer (duration);
		2639	force->flag [FLAG_APPLIED] = true;
		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
		2694	insert (force);
		2695	}
		2696	}
		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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