ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/common/object.C (file contents):
Revision 1.96 by root, Sat Dec 30 10:16:10 2006 UTC vs.
Revision 1.366 by root, Sat Nov 17 23:40:00 2018 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 (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team
		5	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	6	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	7	* Copyright (©) 1992 Frank Tore Johansen
6		8	*
7	This program is free software; you can redistribute it and/or modify	9	* 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	10	* 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	11	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	12	* option) any later version.
11		13	*
12	This program is distributed in the hope that it will be useful,	14	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	17	* GNU General Public License for more details.
16		18	*
17	You should have received a copy of the GNU General Public License	19	* 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	20	* and the GNU General Public License along with this program. If not, see
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	21	* <http://www.gnu.org/licenses/>.
20		22	*
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	23	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	24	*/
23		25
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>	26	#include <global.h>
28	#include <stdio.h>	27	#include <stdio.h>
29	#include <sys/types.h>	28	#include <sys/types.h>
30	#include <sys/uio.h>	29	#include <sys/uio.h>
31	#include <object.h>	30	#include <object.h>
32	#include <funcpoint.h>	31	#include <sproto.h>
33	#include <loader.h>
34		32
35	#include <bitset>	33	#include <bitset>
36		34
37	int nrofallocobjects = 0;	35	UUID UUID::cur;
38	static UUID uuid;	36	static uint64_t seq_next_save;
39	const uint64 UUID_SKIP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
		38	uint32_t mapspace::smellcount = 10000;
40		39
41	object *active_objects; /* List of active objects that need to be processed */	40	objectvec objects;
		41	activevec actives;
42		42
43	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	43	freelist_item *object::freelist;
		44	uint32_t object::object_count;
		45	uint32_t object::free_count;
		46	uint32_t object::create_count;
		47	uint32_t object::destroy_count;
		48
		49	//+GPL
		50
		51	int freearr_x[SIZEOFFREE] = {
		52	0,
		53	0, 1, 1, 1, 0, -1, -1, -1,
		54	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	55	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	};	56	};
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,	57	int freearr_y[SIZEOFFREE] = {
		58	0,
		59	-1, -1, 0, 1, 1, 1, 0, -1,
		60	-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	61	-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	};	62	};
52	int freedir[SIZEOFFREE] = {	63	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,	64	0,
		65	1, 2, 3, 4, 5, 6, 7, 8,
		66	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	67	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	};	68	};
56		69
		70	static int maxfree[SIZEOFFREE] = {
		71	0,
		72	9, 10, 13, 14, 17, 18, 21, 22,
		73	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		74	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		75	};
		76
		77	const char *wall_suffix[16] = {
		78	"0",
		79	"1_3",
		80	"1_4",
		81	"2_1_2",
		82	"1_2",
		83	"2_2_4",
		84	"2_2_1",
		85	"3_1",
		86	"1_1",
		87	"2_2_3",
		88	"2_2_2",
		89	"3_3",
		90	"2_1_1",
		91	"3_4",
		92	"3_2",
		93	"4"
		94	};
		95
57	static void	96	static void
58	write_uuid (void)	97	write_uuid (uval64 skip, bool sync)
59	{	98	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	99	CALL_BEGIN (2);
61		100	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	101	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	102	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		103	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	}	104	}
77		105
78	static void	106	static void
79	read_uuid (void)	107	read_uuid ()
80	{	108	{
81	char filename[MAX_BUF];	109	char filename[MAX_BUF];
82		110
83	sprintf (filename, "%s/uuid", settings.localdir);	111	sprintf (filename, "%s/uuid", settings.localdir);
		112
		113	seq_next_save = 0;
84		114
85	FILE *fp;	115	FILE *fp;
86		116
87	if (!(fp = fopen (filename, "r")))	117	if (!(fp = fopen (filename, "r")))
88	{	118	{
89	if (errno == ENOENT)	119	if (errno == ENOENT)
90	{	120	{
91	LOG (llevInfo, "RESET uid to 1\n");	121	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	122	UUID::cur.seq = 0;
93	write_uuid ();	123	write_uuid (UUID_GAP, true);
94	return;	124	return;
95	}	125	}
96		126
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	127	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	128	_exit (1);
99	}	129	}
100		130
101	int version;	131	char buf [UUID::MAX_LEN];
102	unsigned long long uid;	132	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	133	fgets (buf, sizeof (buf), fp);
		134
		135	if (!UUID::cur.parse (buf))
104	{	136	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	137	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	138	_exit (1);
107	}	139	}
108		140
109	uuid.seq = uid;	141	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	142
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	143	write_uuid (UUID_GAP, true);
112	fclose (fp);	144	fclose (fp);
113	}	145	}
114		146
115	UUID	147	UUID
116	gen_uuid ()	148	UUID::gen ()
117	{	149	{
118	UUID uid;	150	UUID uid;
119		151
120	uid.seq = ++uuid.seq;	152	uid.seq = ++cur.seq;
121		153
122	if (!(uuid.seq & (UUID_SKIP - 1)))	154	if (expect_false (cur.seq >= seq_next_save))
123	write_uuid ();	155	{
		156	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		157	write_uuid (UUID_GAP, false);
		158	}
		159
124		160
125	return uid;	161	return uid;
126	}	162	}
127		163
128	void	164	void
129	init_uuid ()	165	UUID::init ()
130	{	166	{
131	read_uuid ();	167	read_uuid ();
132	}	168	}
133		169
		170	bool
		171	UUID::parse (const char *s)
		172	{
		173	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		174	return false;
		175
		176	seq = 0;
		177
		178	while (*s != '>')
		179	{
		180	if (*s < '0')
		181	return false;
		182
		183	// this gives nice branchless code with gcc
		184	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		185	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		186
		187	seq = (seq << 4) | digit;
		188
		189	++s;
		190	}
		191
		192	return true;
		193	}
		194
		195	char *
		196	UUID::append (char *buf) const
		197	{
		198	*buf++ = '<';
		199	*buf++ = '1';
		200	*buf++ = '.';
		201
		202	uint64_t seq = this->seq;
		203	const int bits = 64;
		204	char nz = 0;
		205	static const char tohex [] = "0123456789abcdef";
		206
		207	// assert (len >= 3 + bits / 4 + 1 + 1);
		208	for (int i = bits / 4; --i; )
		209	{
		210	uint8_t digit = seq >> (bits - 4);
		211
		212	*buf = tohex [digit];
		213	nz |= digit;
		214	buf += nz ? 1 : 0;
		215	seq <<= 4;
		216	}
		217
		218	// last digit is special - always emit
		219	uint8_t digit = seq >> (bits - 4);
		220	*buf++ = tohex [digit];
		221
		222	*buf++ = '>';
		223
		224	return buf;
		225	}
		226
		227	char *
		228	UUID::c_str () const
		229	{
		230	static char buf [MAX_LEN];
		231	*append (buf) = 0;
		232	return buf;
		233	}
		234
134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	235	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
135	static int	236	static bool
136	compare_ob_value_lists_one (const object *wants, const object *has)	237	compare_ob_value_lists_one (const object *wants, const object *has)
137	{	238	{
138	key_value *wants_field;
139
140	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	239	/* 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	240	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	241	* different structure or at least keep the lists sorted...
143	*/	242	*/
144		243
145	/* For each field in wants, */	244	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	245	for (key_value *kv = wants->kv.first; kv; kv = kv->next)
147	{	246	if (has->kv.get (kv->key) != kv->value)
148	key_value *has_field;	247	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		248
169	/* If we get here, every field in wants has a matching field in has. */	249	/* If we get here, every field in wants has a matching field in has. */
170	return TRUE;	250	return true;
171	}	251	}
172		252
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	253	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static int	254	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	255	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	256	{
177	/* However, there may be fields in has which aren't partnered in wants,	257	/* However, there may be fields in has which aren't partnered in wants,
178	* so we need to run the comparison *twice*. :(	258	* so we need to run the comparison *twice*. :(
179	*/	259	*/
180	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	260	return compare_ob_value_lists_one (ob1, ob2)
		261	&& compare_ob_value_lists_one (ob2, ob1);
181	}	262	}
182		263
183	/* Function examines the 2 objects given to it, and returns true if	264	/* Function examines the 2 objects given to it, and returns true if
184	* they can be merged together.	265	* they can be merged together.
185	*	266	*
…		…
192	* Improvements made with merge: Better checking on potion, and also	273	* Improvements made with merge: Better checking on potion, and also
193	* check weight	274	* check weight
194	*/	275	*/
195	bool object::can_merge_slow (object *ob1, object *ob2)	276	bool object::can_merge_slow (object *ob1, object *ob2)
196	{	277	{
197	/* A couple quicksanity checks */	278	/* A couple quick sanity checks */
198	if (ob1 == ob2	279	if (ob1 == ob2
199	|| ob1->type != ob2->type	280	|| ob1->type != ob2->type
200	|| ob1->speed != ob2->speed
201	|| ob1->value != ob2->value	281	|| ob1->value != ob2->value
202	|| ob1->name != ob2->name)	282	|| ob1->name != ob2->name
		283	|| ob1->custom_name != ob2->custom_name
		284	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
203	return 0;	285	return 0;
204		286
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	287	/* Do not merge objects if nrof would overflow, assume nrof
207	* value could not be stored in a sint32 (which unfortunately sometimes is	288	* is always 0 .. 2**31-1 */
208	* used to store nrof).	289	if (ob1->nrof > 0x7fffffff - ob2->nrof)
209	*/
210	if (ob1->nrof + ob2->nrof >= 1UL << 31)
211	return 0;	290	return 0;
212		291
213	/* If the objects have been identified, set the BEEN_APPLIED flag.	292	/* 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	293	* 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	294	* 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	295	* are not equal - just if it has been identified, the been_applied
217	* flags lose any meaning.	296	* flags lose any meaning.
218	*/	297	*/
219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	298	if (ob1->flag [FLAG_IDENTIFIED])
220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	299	ob1->set_flag (FLAG_BEEN_APPLIED);
221		300
222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	301	if (ob2->flag [FLAG_IDENTIFIED])
223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	302	ob2->set_flag (FLAG_BEEN_APPLIED);
224		303
225	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	304	if (ob1->arch->archname != ob2->arch->archname
226	|| ob1->arch != ob2->arch
227	|| ob1->name != ob2->name	305	|| ob1->name != ob2->name
228	|| ob1->title != ob2->title	306	|| ob1->title != ob2->title
229	|| ob1->msg != ob2->msg	307	|| ob1->msg != ob2->msg
230	|| ob1->weight != ob2->weight	308	|| 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	309	|| ob1->attacktype != ob2->attacktype
234	|| ob1->magic != ob2->magic	310	|| ob1->magic != ob2->magic
235	|| ob1->slaying != ob2->slaying	311	|| ob1->slaying != ob2->slaying
236	|| ob1->skill != ob2->skill	312	|| ob1->skill != ob2->skill
237	|| ob1->value != ob2->value	313	|| ob1->value != ob2->value
238	|| ob1->animation_id != ob2->animation_id	314	|| ob1->animation_id != ob2->animation_id
		315	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
239	|| ob1->client_type != ob2->client_type	316	|| ob1->client_type != ob2->client_type
240	|| ob1->materialname != ob2->materialname	317	|| ob1->material != ob2->material
241	|| ob1->lore != ob2->lore	318	|| ob1->lore != ob2->lore
242	|| ob1->subtype != ob2->subtype	319	|| ob1->subtype != ob2->subtype
243	|| ob1->move_type != ob2->move_type	320	|| ob1->move_type != ob2->move_type
244	|| ob1->move_block != ob2->move_block	321	|| ob1->move_block != ob2->move_block
245	|| ob1->move_allow != ob2->move_allow	322	|| ob1->move_allow != ob2->move_allow
246	|| ob1->move_on != ob2->move_on	323	|| ob1->move_on != ob2->move_on
247	|| ob1->move_off != ob2->move_off	324	|| ob1->move_off != ob2->move_off
248	|| ob1->move_slow != ob2->move_slow	325	|| ob1->move_slow != ob2->move_slow
249	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	326	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		327	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		328	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
250	return 0;	329	return 0;
251		330
		331	if ((ob1->flag ^ ob2->flag)
		332	.reset (FLAG_INV_LOCKED)
		333	.reset (FLAG_REMOVED)
		334	.any ())
		335	return 0;
		336
252	/* This is really a spellbook check - really, we should	337	/* This is really a spellbook check - we should in general
253	* check all objects in the inventory.	338	* not merge objects with real inventories, as splitting them
		339	* is hard.
254	*/	340	*/
255	if (ob1->inv || ob2->inv)	341	if (ob1->inv || ob2->inv)
256	{	342	{
257	/* if one object has inventory but the other doesn't, not equiv */	343	if (!(ob1->inv && ob2->inv))
258	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	344	return 0; /* inventories differ in length */
259	return 0;
260		345
261	/* Now check to see if the two inventory objects could merge */	346	if (ob1->inv->below || ob2->inv->below)
		347	return 0; /* more than one object in inv */
		348
262	if (!object::can_merge (ob1->inv, ob2->inv))	349	if (!object::can_merge (ob1->inv, ob2->inv))
263	return 0;	350	return 0; /* inventory objects differ */
264		351
265	/* inventory ok - still need to check rest of this object to see	352	/* inventory ok - still need to check rest of this object to see
266	* if it is valid.	353	* if it is valid.
267	*/	354	*/
268	}	355	}
269		356
270	/* Don't merge objects that are applied. With the new 'body' code,	357	/* Don't merge objects that are applied. With the new 'body' code,
271	* it is possible for most any character to have more than one of	358	* it is possible for most any character to have more than one of
272	* some items equipped, and we don't want those to merge.	359	* some items equipped, and we don't want those to merge.
273	*/	360	*/
274	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	361	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
275	return 0;	362	return 0;
276		363
277	/* Note sure why the following is the case - either the object has to	364	/* Not sure why the following is the case - either the object has to
278	* be animated or have a very low speed. Is this an attempted monster	365	* be animated or have a very low speed. Is this an attempted monster
279	* check?	366	* check?
280	*/	367	*/
281	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	368	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
282	return 0;	369	return 0;
283		370
284	switch (ob1->type)	371	switch (ob1->type)
285	{	372	{
286	case SCROLL:	373	case SCROLL:
287	if (ob1->level != ob2->level)	374	if (ob1->level != ob2->level)
288	return 0;	375	return 0;
289	break;	376	break;
290	}	377	}
291		378
292	if (ob1->key_values != NULL || ob2->key_values != NULL)	379	if (!ob1->kv.empty () || !ob2->kv.empty ())
293	{	380	{
294	/* At least one of these has key_values. */	381	/* At least one of these has key_values. */
295	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	382	if (ob1->kv.empty () != ob2->kv.empty ())
296	/* One has fields, but the other one doesn't. */	383	return 0; /* One has fields, but the other one doesn't. */
		384
		385	if (!compare_ob_value_lists (ob1, ob2))
297	return 0;	386	return 0;
298	else if (!compare_ob_value_lists (ob1, ob2))
299	return 0;
300	}	387	}
301		388
302	//TODO: generate an event or call into perl for additional checks
303	if (ob1->self || ob2->self)	389	if (ob1->self || ob2->self)
304	{	390	{
305	ob1->optimise ();	391	ob1->optimise ();
306	ob2->optimise ();	392	ob2->optimise ();
307		393
308	if (ob1->self || ob2->self)	394	if (ob1->self || ob2->self)
		395	{
		396	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		397	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		398
		399	if (k1 != k2)
309	return 0;	400	return 0;
		401
		402	if (k1 == 0)
		403	return 1;
		404
		405	if (!cfperl_can_merge (ob1, ob2))
		406	return 0;
		407	}
310	}	408	}
311		409
312	/* Everything passes, must be OK. */	410	/* Everything passes, must be OK. */
313	return 1;	411	return 1;
314	}	412	}
315		413
		414	// find player who can see this object
		415	object *
		416	object::visible_to () const
		417	{
		418	if (client_visible () && !flag [FLAG_REMOVED])
		419	{
		420	// see if we are in a container of sorts
		421	if (env)
		422	{
		423	// the player inventory itself is always visible
		424	if (env->is_player ())
		425	return env;
		426
		427	// else a player could have our env open
		428	object *envest = env->outer_env_or_self ();
		429
		430	// the player itself is always on a map, so we will find him here
		431	// even if our inv is in a player.
		432	if (envest->is_on_map ())
		433	if (object *pl = envest->ms ().player ())
		434	if (pl->container_ () == env)
		435	return pl;
		436	}
		437	else
		438	{
		439	// maybe there is a player standing on the same mapspace
		440	// this will catch the case where "this" is a player
		441	if (object *pl = ms ().player ())
		442	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		443	|| pl->container_ () == this)
		444	return pl;
		445	}
		446	}
		447
		448	return 0;
		449	}
		450
		451	// adjust weight per container type ("of holding")
		452	static weight_t
		453	weight_adjust_for (object *op, weight_t weight)
		454	{
		455	if (op->type == CONTAINER)
		456	weight -= weight * op->stats.Str / 100;
		457
		458	return weight;
		459	}
		460
316	/*	461	/*
		462	* subtracts, then adds, the specified weight to an object,
		463	* and also updates how much the environment(s) is/are carrying.
		464	*/
		465	static void
		466	adjust_weight (object *op, weight_t sub, weight_t add)
		467	{
		468	while (op)
		469	{
		470	weight_t carrying = (weight_t)op->carrying
		471	- weight_adjust_for (op, sub)
		472	+ weight_adjust_for (op, add);
		473
		474	sub = op->carrying;
		475	op->carrying = carrying;
		476	add = op->carrying;
		477
		478	if (object *pl = op->visible_to ())
		479	if (pl != op) // player is handled lazily
		480	esrv_update_item (UPD_WEIGHT, pl, op);
		481
		482	op = op->env;
		483	}
		484	}
		485
		486	/*
317	* sum_weight() is a recursive function which calculates the weight	487	* this is a recursive function which calculates the weight
318	* an object is carrying. It goes through in figures out how much	488	* an object is carrying. It goes through op and figures out how much
319	* containers are carrying, and sums it up.	489	* containers are carrying, and sums it up.
320	*/	490	*/
321	long	491	void
322	sum_weight (object *op)	492	object::update_weight ()
323	{	493	{
324	long sum;	494	weight_t sum = 0;
325	object *inv;
326		495
327	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	496	for (object *op = inv; op; op = op->below)
328	{
329	if (inv->inv)
330	sum_weight (inv);
331	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
332	}	497	{
		498	op->update_weight ();
333		499
334	if (op->type == CONTAINER && op->stats.Str)	500	sum += weight_adjust_for (this, op->total_weight ());
335	sum = (sum * (100 - op->stats.Str)) / 100;	501	}
336		502
337	if (op->carrying != sum)	503	if (sum != carrying)
		504	{
		505	if (carrying != sum && carrying)//D
		506	LOG (llevDebug, "updating carrying got %ld, expected %ld (%s)\n",
		507	(long long)sum, (long long)carrying, debug_desc ());
		508
338	op->carrying = sum;	509	carrying = sum;
339		510
340	return sum;	511	if (object *pl = visible_to ())
		512	if (pl != this) // player is handled lazily
		513	esrv_update_item (UPD_WEIGHT, pl, this);
		514	}
341	}	515	}
342		516
343	/**	517	/*
344	* Return the outermost environment object for a given object.	518	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
345	*/	519	*/
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 *	520	char *
362	dump_object (object *op)	521	dump_object (object *op)
363	{	522	{
364	if (!op)	523	if (!op)
365	return strdup ("[NULLOBJ]");	524	return strdup ("[NULLOBJ]");
366		525
367	object_freezer freezer;	526	object_freezer freezer;
368	save_object (freezer, op, 1);	527	op->write (freezer);
369	return freezer.as_string ();	528	return freezer.as_string ();
370	}	529	}
371		530
372	/*	531	char *
373	* get_nearest_part(multi-object, object 2) returns the part of the	532	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	{	533	{
381	object *tmp, *closest;	534	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	}	535	}
391		536
392	/*	537	/*
393	* Returns the object which has the count-variable equal to the argument.	538	* Returns the object which has the count-variable equal to the argument.
		539	* VERRRY slow.
394	*/	540	*/
395
396	object *	541	object *
397	find_object (tag_t i)	542	find_object (tag_t i)
398	{	543	{
399	for (object *op = object::first; op; op = op->next)	544	for_all_objects (op)
400	if (op->count == i)	545	if (op->count == i)
401	return op;	546	return op;
		547
		548	return 0;
		549	}
		550
		551	/*
		552	* Returns the object which has the uuid equal to the argument.
		553	* MOAR VERRRY slow.
		554	*/
		555
		556	object *
		557	find_object_uuid (UUID i)
		558	{
		559	for_all_objects (op)
		560	if (op->uuid == i)
		561	return op;
402		562
403	return 0;	563	return 0;
404	}	564	}
405		565
406	/*	566	/*
407	* Returns the first object which has a name equal to the argument.	567	* Returns the first object which has a name equal to the argument.
408	* Used only by the patch command, but not all that useful.	568	* Used only by the patch command, but not all that useful.
409	* Enables features like "patch <name-of-other-player> food 999"	569	* Enables features like "patch <name-of-other-player> food 999"
410	*/	570	*/
411
412	object *	571	object *
413	find_object_name (const char *str)	572	find_object_name (const char *str)
414	{	573	{
415	shstr_cmp str_ (str);	574	shstr_cmp str_ (str);
416	object *op;
417		575
418	for (op = object::first; op != NULL; op = op->next)	576	if (str_)
		577	for_all_objects (op)
419	if (op->name == str_)	578	if (op->name == str_)
420	break;	579	return op;
421		580
422	return op;	581	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	582	}
430		583
431	/*	584	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	585	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	586	* skill and experience objects.
		587	* ACTUALLY NO! investigate! TODO
434	*/	588	*/
435	void	589	void
436	object::set_owner (object *owner)	590	object::set_owner (object *owner)
437	{	591	{
		592	// allow objects which own objects
438	if (!owner)	593	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)	594	while (owner->owner)
449	owner = owner->owner;	595	owner = owner->owner;
		596
		597	if (flag [FLAG_FREED])
		598	{
		599	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		600	return;
		601	}
450		602
451	this->owner = owner;	603	this->owner = owner;
452	}
453
454	/* Zero the key_values on op, decrementing the shared-string
455	* refcounts and freeing the links.
456	*/
457	static void
458	free_key_values (object *op)
459	{
460	for (key_value *i = op->key_values; i != 0;)
461	{
462	key_value *next = i->next;
463	delete i;
464
465	i = next;
466	}
467
468	op->key_values = 0;
469	}	604	}
470		605
471	/*	606	/*
472	* copy_to first frees everything allocated by the dst object,	607	* copy_to first frees everything allocated by the dst object,
473	* and then copies the contents of itself into the second	608	* and then copies the contents of itself into the second
…		…
477	* will point at garbage.	612	* will point at garbage.
478	*/	613	*/
479	void	614	void
480	object::copy_to (object *dst)	615	object::copy_to (object *dst)
481	{	616	{
482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	617	dst->remove ();
483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
484
485	*(object_copy *)dst = *this;	618	*(object_copy *)dst = *this;
486		619
487	if (is_freed)	620	// maybe move to object_copy?
488	SET_FLAG (dst, FLAG_FREED);	621	dst->kv = kv;
489		622
490	if (is_removed)	623	dst->flag [FLAG_REMOVED] = true;
491	SET_FLAG (dst, FLAG_REMOVED);	624	dst->activate ();
		625	}
492		626
493	if (speed < 0)	627	void
494	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;	628	object::instantiate ()
		629	{
		630	if (!uuid.seq) // HACK
		631	uuid = UUID::gen ();
495		632
496	/* Copy over key_values, if any. */	633	// TODO: unclean state changes, should not be done in copy_to AND instantiate
497	if (key_values)	634	if (flag [FLAG_RANDOM_SPEED] && speed)
498	{	635	speed_left = - speed - rndm (); // TODO animation
499	key_value *tail = 0;	636	else
500	key_value *i;	637	speed_left = -1.;
501		638
502	dst->key_values = 0;	639	/* copy the body_info to the body_used - this is only really
		640	* need for monsters, but doesn't hurt to do it for everything.
		641	* by doing so, when a monster is created, it has good starting
		642	* values for the body_used info, so when items are created
		643	* for it, they can be properly equipped.
		644	*/
		645	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		646	slot[i].used = slot[i].info;
503		647
504	for (i = key_values; i; i = i->next)	648	attachable::instantiate ();
505	{
506	key_value *new_link = new key_value;
507
508	new_link->next = 0;
509	new_link->key = i->key;
510	new_link->value = i->value;
511
512	/* Try and be clever here, too. */
513	if (!dst->key_values)
514	{
515	dst->key_values = new_link;
516	tail = new_link;
517	}
518	else
519	{
520	tail->next = new_link;
521	tail = new_link;
522	}
523	}
524	}
525
526	dst->set_speed (dst->speed);
527	}	649	}
528		650
529	object *	651	object *
530	object::clone ()	652	object::clone ()
531	{	653	{
532	object *neu = create ();	654	object *neu = create ();
533	copy_to (neu);	655	copy_to (neu);
		656
		657	// TODO: unclean state changes, should not be done in clone AND instantiate
		658	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		659	neu->speed_left = - neu->speed - rndm (); // TODO animation
		660
		661	neu->map = map; // not copied by copy_to
534	return neu;	662	return neu;
535	}	663	}
536		664
537	/*	665	/*
538	* If an object with the IS_TURNABLE() flag needs to be turned due	666	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
540	* be called to update the face variable, _and_ how it looks on the map.	668	* be called to update the face variable, _and_ how it looks on the map.
541	*/	669	*/
542	void	670	void
543	update_turn_face (object *op)	671	update_turn_face (object *op)
544	{	672	{
545	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	673	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
546	return;	674	return;
547		675
548	SET_ANIMATION (op, op->direction);	676	SET_ANIMATION (op, op->direction);
549	update_object (op, UP_OBJ_FACE);	677	update_object (op, UP_OBJ_FACE);
550	}	678	}
…		…
555	* This function needs to be called whenever the speed of an object changes.	683	* This function needs to be called whenever the speed of an object changes.
556	*/	684	*/
557	void	685	void
558	object::set_speed (float speed)	686	object::set_speed (float speed)
559	{	687	{
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;	688	this->speed = speed;
567		689
568	if (FABS (speed) > MIN_ACTIVE_SPEED)	690	if (has_active_speed ())
569	{	691	activate ();
570	/* If already on active list, don't do anything */
571	if (active_next || active_prev || this == active_objects)
572	return;
573
574	/* process_events() expects us to insert the object at the beginning
575	* of the list. */
576	active_next = active_objects;
577
578	if (active_next)
579	active_next->active_prev = this;
580
581	active_objects = this;
582	}
583	else	692	else
584	{	693	deactivate ();
585	/* If not on the active list, nothing needs to be done */
586	if (!active_next && !active_prev && this != active_objects)
587	return;
588
589	if (!active_prev)
590	{
591	active_objects = active_next;
592
593	if (active_next)
594	active_next->active_prev = 0;
595	}
596	else
597	{
598	active_prev->active_next = active_next;
599
600	if (active_next)
601	active_next->active_prev = active_prev;
602	}
603
604	active_next = 0;
605	active_prev = 0;
606	}
607	}	694	}
608		695
609	/*	696	/*
610	* update_object() updates the the map.	697	* update_object() updates the the map.
611	* It takes into account invisible objects (and represent squares covered	698	* It takes into account invisible objects (and represent squares covered
…		…
624	* UP_OBJ_FACE: only the objects face has changed.	711	* UP_OBJ_FACE: only the objects face has changed.
625	*/	712	*/
626	void	713	void
627	update_object (object *op, int action)	714	update_object (object *op, int action)
628	{	715	{
629	MoveType move_on, move_off, move_block, move_slow;	716	if (!op)
630
631	if (op == NULL)
632	{	717	{
633	/* this should never happen */	718	/* this should never happen */
634	LOG (llevDebug, "update_object() called for NULL object.\n");	719	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
635	return;	720	return;
636	}	721	}
637		722
638	if (op->env)	723	if (!op->is_on_map ())
639	{	724	{
640	/* Animation is currently handled by client, so nothing	725	/* Animation is currently handled by client, so nothing
641	* to do in this case.	726	* to do in this case.
642	*/	727	*/
643	return;	728	return;
644	}	729	}
645
646	/* If the map is saving, don't do anything as everything is
647	* going to get freed anyways.
648	*/
649	if (!op->map || op->map->in_memory == MAP_SAVING)
650	return;
651		730
652	/* make sure the object is within map boundaries */	731	/* make sure the object is within map boundaries */
653	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	732	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
654	{	733	{
655	LOG (llevError, "update_object() called for object out of map!\n");	734	LOG (llevError, "update_object() called for object out of map!\n");
…		…
659	return;	738	return;
660	}	739	}
661		740
662	mapspace &m = op->ms ();	741	mapspace &m = op->ms ();
663		742
664	if (m.flags_ & P_NEED_UPDATE)	743	if (!(m.flags_ & P_UPTODATE))
665	/* nop */;	744	m.update_up (); // nothing to do except copy up
666	else if (action == UP_OBJ_INSERT)	745	else if (action == UP_OBJ_INSERT)
667	{	746	{
		747	#if 0
668	// this is likely overkill, TODO: revisit (schmorp)	748	// this is likely overkill, TODO: revisit (schmorp)
669	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	749	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
670	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	750	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
671	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	751	|| (op->is_player () && !(m.flags_ & P_PLAYER))
672	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	752	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
673	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	753	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
674	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	754	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
675	|| (m.move_on | op->move_on ) != m.move_on	755	|| (m.move_on | op->move_on ) != m.move_on
676	|| (m.move_off | op->move_off ) != m.move_off	756	|| (m.move_off | op->move_off ) != m.move_off
677	|| (m.move_slow | op->move_slow) != m.move_slow	757	|| (m.move_slow | op->move_slow) != m.move_slow
678	/* This isn't perfect, but I don't expect a lot of objects to	758	/* This isn't perfect, but I don't expect a lot of objects to
679	* to have move_allow right now.	759	* have move_allow right now.
680	*/	760	*/
681	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	761	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		762	m.invalidate ();
		763	#else
682	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	764	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
683	m.flags_ = P_NEED_UPDATE;	765	m.invalidate ();
		766	#endif
684	}	767	}
685	/* if the object is being removed, we can't make intelligent	768	/* if the object is being removed, we can't make intelligent
686	* decisions, because remove_ob can't really pass the object	769	* decisions, because remove_ob can't really pass the object
687	* that is being removed.	770	* that is being removed.
688	*/	771	*/
689	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	772	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
690	m.flags_ = P_NEED_UPDATE;	773	m.invalidate ();
691	else if (action == UP_OBJ_FACE)	774	else if (action == UP_OBJ_FACE)
692	/* Nothing to do for that case */ ;	775	m.update_up (); // nothing to do for that case, except copy up
693	else	776	else
694	LOG (llevError, "update_object called with invalid action: %d\n", action);	777	LOG (llevError, "update_object called with invalid action: %d\n", action);
695		778
696	if (op->more)	779	if (op->more)
697	update_object (op->more, action);	780	update_object (op->more, action);
698	}	781	}
699		782
700	object::vector object::objects; // not yet used
701	object *object::first;
702
703	object::object ()	783	object::object ()
704	{	784	{
705	SET_FLAG (this, FLAG_REMOVED);	785	this->set_flag (FLAG_REMOVED);
706		786
707	expmul = 1.0;	787	//expmul = 1.0; declared const for the time being
708	face = blank_face;	788	face = blank_face;
		789	material = MATERIAL_NULL;
709	}	790	}
710		791
711	object::~object ()	792	object::~object ()
712	{	793	{
713	free_key_values (this);	794	unlink ();
		795
		796	kv.clear ();
714	}	797	}
715		798
716	void object::link ()	799	void object::link ()
717	{	800	{
718	count = ++ob_count;	801	assert (!index);//D
719	uuid = gen_uuid ();	802	uuid = UUID::gen ();
720		803
721	prev = 0;	804	refcnt_inc ();
722	next = object::first;	805	objects.insert (this);
723		806
724	if (object::first)	807	++create_count;
725	object::first->prev = this;
726		808
727	object::first = this;
728	}	809	}
729		810
730	void object::unlink ()	811	void object::unlink ()
731	{	812	{
732	if (this == object::first)	813	if (!index)
733	object::first = next;	814	return;
734		815
735	/* Remove this object from the list of used objects */	816	++destroy_count;
736	if (prev) prev->next = next;
737	if (next) next->prev = prev;
738		817
739	prev = 0;	818	objects.erase (this);
740	next = 0;	819	refcnt_dec ();
741	}	820	}
742		821
743	void	822	void
		823	object::activate ()
		824	{
		825	/* If already on active list, don't do anything */
		826	if (active)
		827	return;
		828
		829	if (has_active_speed ())
		830	{
		831	if (flag [FLAG_FREED])
		832	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		833
		834	actives.insert (this);
		835	}
		836	}
		837
		838	void
744	object::activate (bool recursive)	839	object::activate_recursive ()
745	{	840	{
746	// uh, hack	841	activate ();
747	set_speed (speed);
748		842
749	if (recursive)
750	for (object *op = inv; op; op = op->above)	843	for (object *op = inv; op; op = op->below)
751	op->activate (1);	844	op->activate_recursive ();
752	}	845	}
753		846
754	/* This function removes object 'op' from the list of active	847	/* This function removes object 'op' from the list of active
755	* objects.	848	* objects.
756	* This should only be used for style maps or other such	849	* This should only be used for style maps or other such
757	* reference maps where you don't want an object that isn't	850	* reference maps where you don't want an object that isn't
758	* in play chewing up cpu time getting processed.	851	* in play chewing up cpu time getting processed.
759	* The reverse of this is to call update_ob_speed, which	852	* The reverse of this is to call update_ob_speed, which
760	* will do the right thing based on the speed of the object.	853	* will do the right thing based on the speed of the object.
761	*/	854	*/
762	void	855	void
763	object::deactivate (bool recursive)	856	object::deactivate ()
764	{	857	{
765	/* If not on the active list, nothing needs to be done */	858	/* If not on the active list, nothing needs to be done */
766	if (!active_next && !active_prev && this != active_objects)	859	if (!active)
767	return;	860	return;
768		861
769	if (active_prev == 0)	862	actives.erase (this);
770	{	863	}
771	active_objects = active_next;
772	if (active_next)
773	active_next->active_prev = 0;
774	}
775	else
776	{
777	active_prev->active_next = active_next;
778	if (active_next)
779	active_next->active_prev = active_prev;
780	}
781		864
782	active_next = 0;	865	void
783	active_prev = 0;	866	object::deactivate_recursive ()
784		867	{
785	if (recursive)
786	for (object *op = inv; op; op = op->above)	868	for (object *op = inv; op; op = op->below)
		869	op->deactivate_recursive ();
		870
787	op->deactivate (1);	871	deactivate ();
		872	}
		873
		874	void
		875	object::set_flag_inv (int flag, int value)
		876	{
		877	for (object *op = inv; op; op = op->below)
		878	{
		879	op->flag [flag] = value;
		880	op->set_flag_inv (flag, value);
		881	}
788	}	882	}
789		883
790	/*	884	/*
791	* Remove and free all objects in the inventory of the given object.	885	* Remove and free all objects in the inventory of the given object.
792	* object.c ?	886	* object.c ?
…		…
795	object::destroy_inv (bool drop_to_ground)	889	object::destroy_inv (bool drop_to_ground)
796	{	890	{
797	// need to check first, because the checks below might segfault	891	// need to check first, because the checks below might segfault
798	// as we might be on an invalid mapspace and crossfire code	892	// as we might be on an invalid mapspace and crossfire code
799	// is too buggy to ensure that the inventory is empty.	893	// is too buggy to ensure that the inventory is empty.
800	// corollary: if you create arrows etc. with stuff in tis inventory,	894	// corollary: if you create arrows etc. with stuff in its inventory,
801	// cf will crash below with off-map x and y	895	// cf will crash below with off-map x and y
802	if (!inv)	896	if (!inv)
803	return;	897	return;
804		898
805	/* Only if the space blocks everything do we not process -	899	/* Only if the space blocks everything do we not process -
806	* if some form of movement is allowed, let objects	900	* if some form of movement is allowed, let objects
807	* drop on that space.	901	* drop on that space.
808	*/	902	*/
809	if (!drop_to_ground	903	if (!drop_to_ground
810	|| !map	904	|| !map
811	|| map->in_memory != MAP_IN_MEMORY	905	|| !map->linkable ()
		906	|| map->no_drop
812	|| ms ().move_block == MOVE_ALL)	907	|| ms ().move_block == MOVE_ALL)
813	{	908	{
814	while (inv)	909	while (inv)
815	{
816	inv->destroy_inv (drop_to_ground);
817	inv->destroy ();	910	inv->destroy ();
818	}
819	}	911	}
820	else	912	else
821	{ /* Put objects in inventory onto this space */	913	{ /* Put objects in inventory onto this space */
822	while (inv)	914	while (inv)
823	{	915	{
…		…
825		917
826	if (op->flag [FLAG_STARTEQUIP]	918	if (op->flag [FLAG_STARTEQUIP]
827	|| op->flag [FLAG_NO_DROP]	919	|| op->flag [FLAG_NO_DROP]
828	|| op->type == RUNE	920	|| op->type == RUNE
829	|| op->type == TRAP	921	|| op->type == TRAP
830	|| op->flag [FLAG_IS_A_TEMPLATE])	922	|| op->flag [FLAG_IS_A_TEMPLATE]
		923	|| op->flag [FLAG_DESTROY_ON_DEATH])
831	op->destroy ();	924	op->destroy ();
832	else	925	else
833	map->insert (op, x, y);	926	map->insert (op, x, y);
834	}	927	}
835	}	928	}
836	}	929	}
837		930
		931	/*
		932	* Remove and free all objects in the inventory of the given object.
		933	* Unlike destroy_inv, this assumes the *this is destroyed as well
		934	* well, so we can (and have to!) take shortcuts.
		935	*/
		936	void
		937	object::destroy_inv_fast ()
		938	{
		939	while (object *op = inv)
		940	{
		941	// remove from object the fast way
		942	op->flag [FLAG_REMOVED] = true;
		943	op->env = 0;
		944	if ((inv = inv->below))
		945	inv->above = 0;
		946
		947	// then destroy
		948	op->destroy ();
		949	}
		950	}
		951
		952	void
		953	object::freelist_free (int count)
		954	{
		955	while (count-- && freelist)
		956	{
		957	freelist_item *next = freelist->next;
		958	// count is being "destroyed"
		959
		960	sfree ((char *)freelist, sizeof (object));
		961
		962	freelist = next;
		963	--free_count;
		964	}
		965	}
		966
		967	object *
838	object *object::create ()	968	object::create ()
839	{	969	{
840	object *op = new object;	970	object *op;
		971
		972	if (freelist)
		973	{
		974	freelist_item li = *freelist;
		975	memset (freelist, 0, sizeof (object));
		976
		977	op = new (freelist) object;
		978	op->count = li.count;
		979
		980	freelist = li.next;
		981	--free_count;
		982	}
		983	else
		984	{
		985	void *ni = salloc0<char> (sizeof (object));
		986
		987	op = new(ni) object;
		988
		989	op->count = ++object_count;
		990	}
		991
841	op->link ();	992	op->link ();
		993
842	return op;	994	return op;
843	}	995	}
844		996
845	void	997	void
		998	object::do_delete ()
		999	{
		1000	uint32_t count = this->count;
		1001
		1002	this->~object ();
		1003
		1004	freelist_item *li = (freelist_item *)this;
		1005	li->next = freelist;
		1006	li->count = count;
		1007
		1008	freelist = li;
		1009	++free_count;
		1010	}
		1011
		1012	void
846	object::do_destroy ()	1013	object::do_destroy ()
847	{	1014	{
848	if (flag [FLAG_IS_LINKED])	1015	if (flag [FLAG_IS_LINKED])
849	remove_button_link (this);	1016	remove_link ();
850		1017
851	if (flag [FLAG_FRIENDLY])	1018	if (flag [FLAG_FRIENDLY])
852	remove_friendly_object (this);	1019	remove_friendly_object (this);
853		1020
854	if (!flag [FLAG_REMOVED])
855	remove ();	1021	remove ();
856		1022
857	if (flag [FLAG_FREED])	1023	attachable::do_destroy ();
858	return;
859		1024
860	set_speed (0);	1025	deactivate ();
		1026	unlink ();
861		1027
862	flag [FLAG_FREED] = 1;	1028	flag [FLAG_FREED] = 1;
863		1029
864	attachable::do_destroy ();
865
866	destroy_inv (true);
867	unlink ();
868
869	// hack to ensure that freed objects still have a valid map	1030	// hack to ensure that freed objects still have a valid map
870	{
871	static maptile *freed_map; // freed objects are moved here to avoid crashes
872
873	if (!freed_map)
874	{
875	freed_map = new maptile;
876
877	freed_map->name = "/internal/freed_objects_map";
878	freed_map->width = 3;
879	freed_map->height = 3;
880
881	freed_map->alloc ();
882	}
883
884	map = freed_map;	1031	map = &freed_map;
885	x = 1;	1032	x = 1;
886	y = 1;	1033	y = 1;
887	}
888
889	head = 0;
890		1034
891	if (more)	1035	if (more)
892	{	1036	{
893	more->destroy ();	1037	more->destroy ();
894	more = 0;	1038	more = 0;
895	}	1039	}
896		1040
		1041	head = 0;
		1042
897	// clear those pointers that likely might have circular references to us	1043	// clear those pointers that likely might cause circular references
898	owner = 0;	1044	owner = 0;
899	enemy = 0;	1045	enemy = 0;
900	attacked_by = 0;	1046	attacked_by = 0;
901		1047	current_weapon = 0;
902	// only relevant for players(?), but make sure of it anyways
903	contr = 0;
904	}	1048	}
905		1049
906	void	1050	void
907	object::destroy (bool destroy_inventory)	1051	object::destroy ()
908	{	1052	{
909	if (destroyed ())	1053	if (destroyed ())
910	return;	1054	return;
911		1055
912	if (destroy_inventory)	1056	if (!is_head () && !head->destroyed ())
		1057	{
		1058	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1059	head->destroy ();
		1060	return;
		1061	}
		1062
913	destroy_inv (false);	1063	destroy_inv_fast ();
		1064
		1065	if (is_head ())
		1066	if (sound_destroy)
		1067	play_sound (sound_destroy);
		1068	else if (flag [FLAG_MONSTER])
		1069	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
914		1070
915	attachable::destroy ();	1071	attachable::destroy ();
916	}
917
918	/*
919	* sub_weight() recursively (outwards) subtracts a number from the
920	* weight of an object (and what is carried by it's environment(s)).
921	*/
922	void
923	sub_weight (object *op, signed long weight)
924	{
925	while (op != NULL)
926	{
927	if (op->type == CONTAINER)
928	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
929
930	op->carrying -= weight;
931	op = op->env;
932	}
933	}	1072	}
934		1073
935	/* op->remove ():	1074	/* op->remove ():
936	* This function removes the object op from the linked list of objects	1075	* This function removes the object op from the linked list of objects
937	* which it is currently tied to. When this function is done, the	1076	* which it is currently tied to. When this function is done, the
938	* object will have no environment. If the object previously had an	1077	* object will have no environment. If the object previously had an
939	* environment, the x and y coordinates will be updated to	1078	* environment, the x and y coordinates will be updated to
940	* the previous environment.	1079	* the previous environment.
941	* Beware: This function is called from the editor as well!
942	*/	1080	*/
943	void	1081	void
944	object::remove ()	1082	object::do_remove ()
945	{	1083	{
946	object *tmp, *last = 0;	1084	if (flag [FLAG_REMOVED])
947	object *otmp;
948
949	if (QUERY_FLAG (this, FLAG_REMOVED))
950	return;	1085	return;
951		1086
952	SET_FLAG (this, FLAG_REMOVED);
953	INVOKE_OBJECT (REMOVE, this);	1087	INVOKE_OBJECT (REMOVE, this);
		1088
		1089	flag [FLAG_REMOVED] = true;
954		1090
955	if (more)	1091	if (more)
956	more->remove ();	1092	more->remove ();
957		1093
958	/*	1094	/*
959	* In this case, the object to be removed is in someones	1095	* In this case, the object to be removed is in someones
960	* inventory.	1096	* inventory.
961	*/	1097	*/
962	if (env)	1098	if (env)
963	{	1099	{
964	if (nrof)	1100	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
965	sub_weight (env, weight * nrof);	1101	if (object *pl = visible_to ())
966	else	1102	esrv_del_item (pl->contr, count);
967	sub_weight (env, weight + carrying);	1103	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
968		1104
969	/* NO_FIX_PLAYER is set when a great many changes are being	1105	adjust_weight (env, total_weight (), 0);
970	* made to players inventory. If set, avoiding the call
971	* to save cpu time.
972	*/
973	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
974	otmp->update_stats ();
975		1106
976	if (above)	1107	object *pl = in_player ();
977	above->below = below;
978	else
979	env->inv = below;
980
981	if (below)
982	below->above = above;
983		1108
984	/* we set up values so that it could be inserted into	1109	/* we set up values so that it could be inserted into
985	* the map, but we don't actually do that - it is up	1110	* the map, but we don't actually do that - it is up
986	* to the caller to decide what we want to do.	1111	* to the caller to decide what we want to do.
987	*/	1112	*/
988	x = env->x, y = env->y;
989	map = env->map;	1113	map = env->map;
990	above = 0, below = 0;	1114	x = env->x;
991	env = 0;	1115	y = env->y;
992	}
993	else if (map)
994	{
995	if (type == PLAYER)
996	{
997	--map->players;
998	map->last_access = runtime;
999	}
1000		1116
1001		1117	// make sure cmov optimisation is applicable
1002	/* link the object above us */	1118	*(above ? &above->below : &env->inv) = below;
1003	if (above)	1119	*(below ? &below->above : &above ) = above; // &above is just a dummy
1004	above->below = below;
1005	else
1006	map->at (x, y).top = below; /* we were top, set new top */
1007
1008	/* Relink the object below us, if there is one */
1009	if (below)
1010	below->above = above;
1011	else
1012	{
1013	/* Nothing below, which means we need to relink map object for this space
1014	* use translated coordinates in case some oddness with map tiling is
1015	* evident
1016	*/
1017	if (GET_MAP_OB (map, x, y) != this)
1018	{
1019	char *dump = dump_object (this);
1020	LOG (llevError,
1021	"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);
1022	free (dump);
1023	dump = dump_object (GET_MAP_OB (map, x, y));
1024	LOG (llevError, "%s\n", dump);
1025	free (dump);
1026	}
1027
1028	map->at (x, y).bot = above; /* goes on above it. */
1029	}
1030		1120
1031	above = 0;	1121	above = 0;
1032	below = 0;	1122	below = 0;
		1123	env = 0;
1033		1124
1034	if (map->in_memory == MAP_SAVING)	1125	if (pl && pl->is_player ())
1035	return;	1126	{
		1127	if (expect_false (pl->contr->combat_ob == this))
		1128	{
		1129	pl->apply (pl->contr->combat_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1130	pl->contr->combat_ob = 0;
		1131	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1132	}
		1133
		1134	if (expect_false (pl->contr->ranged_ob == this))
		1135	{
		1136	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1137	pl->contr->ranged_ob = 0;
		1138	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1139	}
		1140
		1141	pl->contr->queue_stats_update ();
		1142
		1143	if (expect_false (glow_radius) && pl->is_on_map ())
		1144	update_all_los (pl->map, pl->x, pl->y);
		1145	}
		1146	}
		1147	else if (map)
		1148	{
		1149	map->dirty = true;
		1150	mapspace &ms = this->ms ();
		1151
		1152	if (object *pl = ms.player ())
		1153	{
		1154	if (is_player ())
		1155	{
		1156	if (!flag [FLAG_WIZPASS])
		1157	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1158
		1159	// leaving a spot always closes any open container on the ground
		1160	if (container && !container->env)
		1161	// this causes spurious floorbox updates, but it ensures
		1162	// that the CLOSE event is being sent.
		1163	close_container ();
		1164
		1165	--map->players;
		1166	map->touch ();
		1167	}
		1168	else if (pl->container_ () == this)
		1169	{
		1170	// removing a container should close it
		1171	close_container ();
		1172	}
		1173	else
		1174	esrv_del_item (pl->contr, count);
		1175	}
		1176
		1177	/* link the object above us */
		1178	// re-link, make sure compiler can easily use cmove
		1179	*(above ? &above->below : &ms.top) = below;
		1180	*(below ? &below->above : &ms.bot) = above;
		1181
		1182	above = 0;
		1183	below = 0;
		1184
		1185	ms.invalidate ();
1036		1186
1037	int check_walk_off = !flag [FLAG_NO_APPLY];	1187	int check_walk_off = !flag [FLAG_NO_APPLY];
1038		1188
1039	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1189	if (object *pl = ms.player ())
1040	{	1190	{
1041	/* No point updating the players look faces if he is the object	1191	if (pl->container_ () == this)
1042	* being removed.
1043	*/
1044
1045	if (tmp->type == PLAYER && tmp != this)
1046	{
1047	/* If a container that the player is currently using somehow gets	1192	/* If a container that the player is currently using somehow gets
1048	* removed (most likely destroyed), update the player view	1193	* removed (most likely destroyed), update the player view
1049	* appropriately.	1194	* appropriately.
1050	*/	1195	*/
1051	if (tmp->container == this)	1196	pl->close_container ();
1052	{
1053	flag [FLAG_APPLIED] = 0;
1054	tmp->container = 0;
1055	}
1056		1197
		1198	//TODO: the floorbox prev/next might need updating
		1199	//esrv_del_item (pl->contr, count);
		1200	//TODO: update floorbox to preserve ordering
1057	if (tmp->contr->ns)	1201	if (pl->contr->ns)
1058	tmp->contr->ns->floorbox_update ();	1202	pl->contr->ns->floorbox_update ();
		1203	}
		1204
		1205	if (check_walk_off)
		1206	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1207	{
		1208	above = tmp->above;
		1209
		1210	/* No point updating the players look faces if he is the object
		1211	* being removed.
1059	}	1212	*/
1060		1213
1061	/* See if object moving off should effect something */	1214	/* See if object moving off should effect something */
1062	if (check_walk_off
1063	&& ((move_type & tmp->move_off)	1215	if ((move_type & tmp->move_off)
1064	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1216	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1065	{
1066	move_apply (tmp, this, 0);	1217	move_apply (tmp, this, 0);
1067
1068	if (destroyed ())
1069	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1070	}	1218	}
1071		1219
1072	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1220	if (affects_los ())
1073	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1074	if (tmp->above == tmp)
1075	tmp->above = 0;
1076
1077	last = tmp;
1078	}
1079
1080	/* last == NULL if there are no objects on this space */
1081	//TODO: this makes little sense, why only update the topmost object?
1082	if (!last)
1083	map->at (x, y).flags_ = P_NEED_UPDATE;
1084	else
1085	update_object (last, UP_OBJ_REMOVE);
1086
1087	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1088	update_all_los (map, x, y);	1221	update_all_los (map, x, y);
1089	}	1222	}
1090	}	1223	}
1091		1224
1092	/*	1225	/*
…		…
1101	merge_ob (object *op, object *top)	1234	merge_ob (object *op, object *top)
1102	{	1235	{
1103	if (!op->nrof)	1236	if (!op->nrof)
1104	return 0;	1237	return 0;
1105		1238
1106	if (top)	1239	if (!top)
1107	for (top = op; top && top->above; top = top->above)	1240	for (top = op; top && top->above; top = top->above)
1108	;	1241	;
1109		1242
1110	for (; top; top = top->below)	1243	for (; top; top = top->below)
1111	{
1112	if (top == op)
1113	continue;
1114
1115	if (object::can_merge (op, top))	1244	if (object::can_merge (op, top))
1116	{	1245	{
1117	top->nrof += op->nrof;	1246	top->nrof += op->nrof;
1118		1247
1119	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1248	if (object *pl = top->visible_to ())
1120	op->weight = 0; /* Don't want any adjustements now */	1249	esrv_update_item (UPD_NROF, pl, top);
		1250
		1251	op->weight = 0; // cancel the addition above
		1252	op->carrying = 0; // must be 0 already
		1253
1121	op->destroy ();	1254	op->destroy ();
		1255
1122	return top;	1256	return top;
1123	}	1257	}
1124	}
1125		1258
1126	return 0;	1259	return 0;
1127	}	1260	}
1128		1261
		1262	void
		1263	object::expand_tail ()
		1264	{
		1265	if (more)
		1266	return;
		1267
		1268	object *prev = this;
		1269
		1270	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1271	{
		1272	object *op = at->instance ();
		1273
		1274	op->name = name;
		1275	op->name_pl = name_pl;
		1276	op->title = title;
		1277
		1278	op->head = this;
		1279	prev->more = op;
		1280
		1281	prev = op;
		1282	}
		1283	}
		1284
1129	/*	1285	/*
1130	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1286	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1131	* job preparing multi-part monsters	1287	* job preparing multi-part monsters.
1132	*/	1288	*/
1133	object *	1289	object *
1134	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1290	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1135	{	1291	{
		1292	op->remove ();
		1293
1136	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1294	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1137	{	1295	{
1138	tmp->x = x + tmp->arch->clone.x;	1296	tmp->x = x + tmp->arch->x;
1139	tmp->y = y + tmp->arch->clone.y;	1297	tmp->y = y + tmp->arch->y;
1140	}	1298	}
1141		1299
1142	return insert_ob_in_map (op, m, originator, flag);	1300	return insert_ob_in_map (op, m, originator, flag);
1143	}	1301	}
1144		1302
…		…
1157	* Passing 0 for flag gives proper default values, so flag really only needs	1315	* Passing 0 for flag gives proper default values, so flag really only needs
1158	* to be set if special handling is needed.	1316	* to be set if special handling is needed.
1159	*	1317	*
1160	* Return value:	1318	* Return value:
1161	* new object if 'op' was merged with other object	1319	* new object if 'op' was merged with other object
1162	* NULL if 'op' was destroyed	1320	* NULL if there was an error (destroyed, blocked etc.)
1163	* just 'op' otherwise	1321	* just 'op' otherwise
1164	*/	1322	*/
1165	object *	1323	object *
1166	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1324	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1167	{	1325	{
1168	object *tmp, *top, *floor = NULL;	1326	op->remove ();
1169	sint16 x, y;
1170		1327
1171	if (QUERY_FLAG (op, FLAG_FREED))	1328	if (m == &freed_map)//D TODO: remove soon
1172	{	1329	{//D
1173	LOG (llevError, "Trying to insert freed object!\n");	1330	LOG (llevError | logBacktrace, "tries to insert object on freed objects map: %s", op->debug_desc ());//D
1174	return NULL;
1175	}	1331	}//D
1176
1177	if (!m)
1178	{
1179	char *dump = dump_object (op);
1180	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1181	free (dump);
1182	return op;
1183	}
1184
1185	if (out_of_map (m, op->x, op->y))
1186	{
1187	char *dump = dump_object (op);
1188	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1189	#ifdef MANY_CORES
1190	/* Better to catch this here, as otherwise the next use of this object
1191	* is likely to cause a crash. Better to find out where it is getting
1192	* improperly inserted.
1193	*/
1194	abort ();
1195	#endif
1196	free (dump);
1197	return op;
1198	}
1199
1200	if (!QUERY_FLAG (op, FLAG_REMOVED))
1201	{
1202	char *dump = dump_object (op);
1203	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1204	free (dump);
1205	return op;
1206	}
1207
1208	if (op->more)
1209	{
1210	/* The part may be on a different map. */
1211
1212	object *more = op->more;
1213
1214	/* We really need the caller to normalize coordinates - if
1215	* we set the map, that doesn't work if the location is within
1216	* a map and this is straddling an edge. So only if coordinate
1217	* is clear wrong do we normalize it.
1218	*/
1219	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1220	more->map = get_map_from_coord (m, &more->x, &more->y);
1221	else if (!more->map)
1222	{
1223	/* For backwards compatibility - when not dealing with tiled maps,
1224	* more->map should always point to the parent.
1225	*/
1226	more->map = m;
1227	}
1228
1229	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1230	{
1231	if (!op->head)
1232	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1233
1234	return 0;
1235	}
1236	}
1237
1238	CLEAR_FLAG (op, FLAG_REMOVED);
1239		1332
1240	/* Ideally, the caller figures this out. However, it complicates a lot	1333	/* Ideally, the caller figures this out. However, it complicates a lot
1241	* of areas of callers (eg, anything that uses find_free_spot would now	1334	* of areas of callers (eg, anything that uses find_free_spot would now
1242	* need extra work	1335	* need extra work
1243	*/	1336	*/
1244	op->map = get_map_from_coord (m, &op->x, &op->y);	1337	maptile *newmap = m;
1245	x = op->x;	1338	if (!xy_normalise (newmap, op->x, op->y))
1246	y = op->y;	1339	{
		1340	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
		1341	return 0;
		1342	}
		1343
		1344	if (object *more = op->more)
		1345	if (!insert_ob_in_map (more, m, originator, flag))
		1346	return 0;
		1347
		1348	op->flag [FLAG_REMOVED] = false;
		1349	op->env = 0;
		1350	op->map = newmap;
		1351
		1352	mapspace &ms = op->ms ();
1247		1353
1248	/* this has to be done after we translate the coordinates.	1354	/* this has to be done after we translate the coordinates.
1249	*/	1355	*/
1250	if (op->nrof && !(flag & INS_NO_MERGE))	1356	if (op->nrof && !(flag & INS_NO_MERGE))
1251	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)	1357	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1252	if (object::can_merge (op, tmp))	1358	if (object::can_merge (op, tmp))
1253	{	1359	{
		1360	// TODO: we actually want to update tmp, not op,
		1361	// but some caller surely breaks when we return tmp
		1362	// from here :/
1254	op->nrof += tmp->nrof;	1363	op->nrof += tmp->nrof;
1255	tmp->destroy ();	1364	tmp->destroy ();
1256	}	1365	}
1257		1366
1258	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1367	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1259	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1368	op->clr_flag (FLAG_INV_LOCKED);
1260		1369
1261	if (!QUERY_FLAG (op, FLAG_ALIVE))	1370	if (!op->flag [FLAG_ALIVE])
1262	CLEAR_FLAG (op, FLAG_NO_STEAL);	1371	op->clr_flag (FLAG_NO_STEAL);
1263		1372
1264	if (flag & INS_BELOW_ORIGINATOR)	1373	if (flag & INS_BELOW_ORIGINATOR)
1265	{	1374	{
1266	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1375	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1267	{	1376	{
1268	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1377	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1269	abort ();	1378	abort ();
1270	}	1379	}
1271		1380
		1381	if (!originator->is_on_map ())
		1382	{
		1383	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1384	op->debug_desc (), originator->debug_desc ());
		1385	abort ();
		1386	}
		1387
1272	op->above = originator;	1388	op->above = originator;
1273	op->below = originator->below;	1389	op->below = originator->below;
1274
1275	if (op->below)
1276	op->below->above = op;
1277	else
1278	op->ms ().bot = op;
1279
1280	/* since *below* originator, no need to update top */
1281	originator->below = op;	1390	originator->below = op;
		1391
		1392	*(op->below ? &op->below->above : &ms.bot) = op;
1282	}	1393	}
1283	else	1394	else
1284	{	1395	{
		1396	object *floor = 0;
		1397	object *top = ms.top;
		1398
1285	/* If there are other objects, then */	1399	/* If there are other objects, then */
1286	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1400	if (top)
1287	{	1401	{
1288	object *last = 0;
1289
1290	/*	1402	/*
1291	* If there are multiple objects on this space, we do some trickier handling.	1403	* If there are multiple objects on this space, we do some trickier handling.
1292	* We've already dealt with merging if appropriate.	1404	* We've already dealt with merging if appropriate.
1293	* Generally, we want to put the new object on top. But if	1405	* Generally, we want to put the new object on top. But if
1294	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1406	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
1295	* floor, we want to insert above that and no further.	1407	* floor, we want to insert above that and no further.
1296	* Also, if there are spell objects on this space, we stop processing	1408	* Also, if there are spell objects on this space, we stop processing
1297	* once we get to them. This reduces the need to traverse over all of	1409	* once we get to them. This reduces the need to traverse over all of
1298	* them when adding another one - this saves quite a bit of cpu time	1410	* them when adding another one - this saves quite a bit of cpu time
1299	* when lots of spells are cast in one area. Currently, it is presumed	1411	* when lots of spells are cast in one area. Currently, it is presumed
1300	* that flying non pickable objects are spell objects.	1412	* that flying non pickable objects are spell objects.
1301	*/	1413	*/
1302	while (top)	1414	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1303	{	1415	{
1304	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1416	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1305	floor = top;	1417	floor = tmp;
1306		1418
1307	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1419	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1308	{	1420	{
1309	/* We insert above top, so we want this object below this */	1421	/* We insert above top, so we want this object below this */
1310	top = top->below;	1422	top = tmp->below;
1311	break;	1423	break;
1312	}	1424	}
1313		1425
1314	last = top;
1315	top = top->above;	1426	top = tmp;
1316	}	1427	}
1317
1318	/* Don't want top to be NULL, so set it to the last valid object */
1319	top = last;
1320		1428
1321	/* We let update_position deal with figuring out what the space	1429	/* We let update_position deal with figuring out what the space
1322	* looks like instead of lots of conditions here.	1430	* looks like instead of lots of conditions here.
1323	* makes things faster, and effectively the same result.	1431	* makes things faster, and effectively the same result.
1324	*/	1432	*/
1325		1433
1326	/* Have object 'fall below' other objects that block view.	1434	/* Have object 'fall below' other objects that block view.
1327	* Unless those objects are exits, type 66	1435	* Unless those objects are exits.
1328	* If INS_ON_TOP is used, don't do this processing	1436	* If INS_ON_TOP is used, don't do this processing
1329	* Need to find the object that in fact blocks view, otherwise	1437	* Need to find the object that in fact blocks view, otherwise
1330	* stacking is a bit odd.	1438	* stacking is a bit odd.
1331	*/	1439	*/
1332	if (!(flag & INS_ON_TOP) &&	1440	if (!(flag & INS_ON_TOP)
1333	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1441	&& ms.flags () & P_BLOCKSVIEW
		1442	&& (op->face && !faces [op->face].visibility))
1334	{	1443	{
		1444	object *last;
		1445
1335	for (last = top; last != floor; last = last->below)	1446	for (last = top; last != floor; last = last->below)
1336	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1447	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1337	break;	1448	break;
		1449
1338	/* Check to see if we found the object that blocks view,	1450	/* Check to see if we found the object that blocks view,
1339	* and make sure we have a below pointer for it so that	1451	* and make sure we have a below pointer for it so that
1340	* we can get inserted below this one, which requires we	1452	* we can get inserted below this one, which requires we
1341	* set top to the object below us.	1453	* set top to the object below us.
1342	*/	1454	*/
1343	if (last && last->below && last != floor)	1455	if (last && last->below && last != floor)
1344	top = last->below;	1456	top = last->below;
1345	}	1457	}
1346	} /* If objects on this space */	1458	} /* If objects on this space */
1347		1459
1348	if (flag & INS_MAP_LOAD)
1349	top = GET_MAP_TOP (op->map, op->x, op->y);
1350
1351	if (flag & INS_ABOVE_FLOOR_ONLY)	1460	if (flag & INS_ABOVE_FLOOR_ONLY)
1352	top = floor;	1461	top = floor;
1353		1462
1354	/* Top is the object that our object (op) is going to get inserted above.	1463	// insert object above top, or bottom-most if top = 0
1355	*/
1356
1357	/* First object on this space */
1358	if (!top)	1464	if (!top)
1359	{	1465	{
1360	op->above = GET_MAP_OB (op->map, op->x, op->y);
1361
1362	if (op->above)
1363	op->above->below = op;
1364
1365	op->below = 0;	1466	op->below = 0;
		1467	op->above = ms.bot;
1366	op->ms ().bot = op;	1468	ms.bot = op;
		1469
		1470	*(op->above ? &op->above->below : &ms.top) = op;
1367	}	1471	}
1368	else	1472	else
1369	{ /* get inserted into the stack above top */	1473	{
1370	op->above = top->above;	1474	op->above = top->above;
1371
1372	if (op->above)
1373	op->above->below = op;	1475	top->above = op;
1374		1476
1375	op->below = top;	1477	op->below = top;
1376	top->above = op;	1478	*(op->above ? &op->above->below : &ms.top) = op;
1377	}	1479	}
		1480	}
1378		1481
1379	if (!op->above)	1482	if (op->is_player ())
1380	op->ms ().top = op;
1381	} /* else not INS_BELOW_ORIGINATOR */
1382
1383	if (op->type == PLAYER)
1384	{	1483	{
1385	op->contr->do_los = 1;	1484	op->contr->do_los = 1;
1386	++op->map->players;	1485	++op->map->players;
1387	op->map->last_access = runtime;	1486	op->map->touch ();
1388	}	1487	}
1389		1488
1390	/* If we have a floor, we know the player, if any, will be above	1489	op->map->dirty = true;
1391	* it, so save a few ticks and start from there.	1490
1392	*/
1393	if (!(flag & INS_MAP_LOAD))
1394	if (object *pl = op->ms ().player ())	1491	if (object *pl = ms.player ())
		1492	//TODO: the floorbox prev/next might need updating
		1493	//esrv_send_item (pl, op);
		1494	//TODO: update floorbox to preserve ordering
1395	if (pl->contr->ns)	1495	if (pl->contr->ns)
1396	pl->contr->ns->floorbox_update ();	1496	pl->contr->ns->floorbox_update ();
1397		1497
1398	/* If this object glows, it may affect lighting conditions that are	1498	/* If this object glows, it may affect lighting conditions that are
1399	* visible to others on this map. But update_all_los is really	1499	* visible to others on this map. But update_all_los is really
1400	* an inefficient way to do this, as it means los for all players	1500	* an inefficient way to do this, as it means los for all players
1401	* on the map will get recalculated. The players could very well	1501	* on the map will get recalculated. The players could very well
1402	* be far away from this change and not affected in any way -	1502	* be far away from this change and not affected in any way -
1403	* this should get redone to only look for players within range,	1503	* this should get redone to only look for players within range,
1404	* or just updating the P_NEED_UPDATE for spaces within this area	1504	* or just updating the P_UPTODATE for spaces within this area
1405	* of effect may be sufficient.	1505	* of effect may be sufficient.
1406	*/	1506	*/
1407	if (op->map->darkness && (op->glow_radius != 0))	1507	if (op->affects_los ())
		1508	{
		1509	op->ms ().invalidate ();
1408	update_all_los (op->map, op->x, op->y);	1510	update_all_los (op->map, op->x, op->y);
		1511	}
1409		1512
1410	/* updates flags (blocked, alive, no magic, etc) for this map space */	1513	/* updates flags (blocked, alive, no magic, etc) for this map space */
1411	update_object (op, UP_OBJ_INSERT);	1514	update_object (op, UP_OBJ_INSERT);
1412		1515
1413	INVOKE_OBJECT (INSERT, op);	1516	INVOKE_OBJECT (INSERT, op);
…		…
1420	* blocked() and wall() work properly), and these flags are updated by	1523	* blocked() and wall() work properly), and these flags are updated by
1421	* update_object().	1524	* update_object().
1422	*/	1525	*/
1423		1526
1424	/* if this is not the head or flag has been passed, don't check walk on status */	1527	/* if this is not the head or flag has been passed, don't check walk on status */
1425	if (!(flag & INS_NO_WALK_ON) && !op->head)	1528	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1426	{	1529	{
1427	if (check_move_on (op, originator))	1530	if (check_move_on (op, originator, flag))
1428	return 0;	1531	return 0;
1429		1532
1430	/* If we are a multi part object, lets work our way through the check	1533	/* If we are a multi part object, let's work our way through the check
1431	* walk on's.	1534	* walk on's.
1432	*/	1535	*/
1433	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1536	for (object *tmp = op->more; tmp; tmp = tmp->more)
1434	if (check_move_on (tmp, originator))	1537	if (check_move_on (tmp, originator, flag))
1435	return 0;	1538	return 0;
1436	}	1539	}
1437		1540
1438	return op;	1541	return op;
1439	}	1542	}
1440		1543
1441	/* this function inserts an object in the map, but if it	1544	/* this function inserts an object in the map, but if it
1442	* finds an object of its own type, it'll remove that one first.	1545	* finds an object of its own type, it'll remove that one first.
1443	* op is the object to insert it under: supplies x and the map.	1546	* op is the object to insert it under: supplies x and the map.
1444	*/	1547	*/
1445	void	1548	void
1446	replace_insert_ob_in_map (const char *arch_string, object *op)	1549	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1447	{	1550	{
1448	object *tmp, *tmp1;
1449
1450	/* first search for itself and remove any old instances */	1551	/* first search for itself and remove any old instances */
1451		1552
1452	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1553	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1453	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1554	if (tmp->arch->archname == archname) /* same archetype */
1454	tmp->destroy ();	1555	tmp->destroy ();
1455		1556
1456	tmp1 = arch_to_object (archetype::find (arch_string));	1557	object *tmp = archetype::find (archname)->instance ();
1457		1558
1458	tmp1->x = op->x;	1559	tmp->x = op->x;
1459	tmp1->y = op->y;	1560	tmp->y = op->y;
		1561
1460	insert_ob_in_map (tmp1, op->map, op, 0);	1562	insert_ob_in_map (tmp, op->map, op, 0);
1461	}	1563	}
1462		1564
1463	object *	1565	object *
1464	object::insert_at (object *where, object *originator, int flags)	1566	object::insert_at (object *where, object *originator, int flags)
1465	{	1567	{
		1568	if (where->env)
		1569	return where->env->insert (this);
		1570	else
1466	where->map->insert (this, where->x, where->y, originator, flags);	1571	return where->map->insert (this, where->x, where->y, originator, flags);
1467	}	1572	}
1468		1573
1469	/*	1574	// check whether we can put this into the map, respect max_volume, max_items
1470	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1575	bool
1471	* is returned contains nr objects, and the remaining parts contains	1576	object::can_drop_at (maptile *m, int x, int y, object *originator)
1472	* the rest (or is removed and freed if that number is 0).
1473	* On failure, NULL is returned, and the reason put into the
1474	* global static errmsg array.
1475	*/
1476	object *
1477	get_split_ob (object *orig_ob, uint32 nr)
1478	{	1577	{
1479	object *newob;	1578	mapspace &ms = m->at (x, y);
1480	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1481		1579
1482	if (orig_ob->nrof < nr)	1580	int items = ms.items ();
1483	{
1484	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1485	return NULL;
1486	}
1487		1581
1488	newob = object_create_clone (orig_ob);	1582	if (!items // testing !items ensures we can drop at least one item
		1583	|| (items < m->max_items
		1584	&& ms.volume () < m->max_volume))
		1585	return true;
1489		1586
1490	if ((orig_ob->nrof -= nr) < 1)	1587	if (originator)
1491	orig_ob->destroy (1);	1588	originator->failmsgf (
1492	else if (!is_removed)	1589	"No matter how hard you try, you just cannot put the %s here! H<Try to remove some items from the floor first.>",
1493	{	1590	query_name ()
1494	if (orig_ob->env != NULL)	1591	);
1495	sub_weight (orig_ob->env, orig_ob->weight * nr);
1496	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1497	{
1498	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1499	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1500	return NULL;
1501	}
1502	}
1503		1592
1504	newob->nrof = nr;	1593	return false;
1505
1506	return newob;
1507	}	1594	}
1508		1595
1509	/*	1596	/*
1510	* decrease_ob_nr(object, number) decreases a specified number from	1597	* decrease(object, number) decreases a specified number from
1511	* the amount of an object. If the amount reaches 0, the object	1598	* the amount of an object. If the amount reaches 0, the object
1512	* is subsequently removed and freed.	1599	* is subsequently removed and freed.
1513	*	1600	*
1514	* Return value: 'op' if something is left, NULL if the amount reached 0	1601	* Return value: 'op' if something is left, NULL if the amount reached 0
1515	*/	1602	*/
		1603	bool
		1604	object::decrease (sint32 nr)
		1605	{
		1606	if (!nr)
		1607	return true;
1516		1608
		1609	nr = min (nr, nrof);
		1610
		1611	if (nrof > nr)
		1612	{
		1613	weight_t oweight = total_weight ();
		1614
		1615	nrof -= nr;
		1616
		1617	if (object *pl = visible_to ())
		1618	esrv_update_item (UPD_NROF, pl, this);
		1619
		1620	adjust_weight (env, oweight, total_weight ());
		1621
		1622	return true;
		1623	}
		1624	else
		1625	{
		1626	destroy ();
		1627	return false;
		1628	}
		1629	}
		1630
		1631	/*
		1632	* split(ob,nr) splits up ob into two parts. The part which
		1633	* is returned contains nr objects, and the remaining parts contains
		1634	* the rest (or is removed and returned if that number is 0).
		1635	* On failure, NULL is returned.
		1636	*/
1517	object *	1637	object *
1518	decrease_ob_nr (object *op, uint32 i)	1638	object::split (sint32 nr)
1519	{	1639	{
1520	object *tmp;	1640	int have = number_of ();
1521		1641
1522	if (i == 0) /* objects with op->nrof require this check */	1642	if (have < nr)
1523	return op;	1643	return 0;
1524		1644	else if (have == nr)
1525	if (i > op->nrof)
1526	i = op->nrof;
1527
1528	if (QUERY_FLAG (op, FLAG_REMOVED))
1529	op->nrof -= i;
1530	else if (op->env)
1531	{	1645	{
1532	/* is this object in the players inventory, or sub container
1533	* therein?
1534	*/
1535	tmp = op->in_player ();
1536	/* nope. Is this a container the player has opened?
1537	* If so, set tmp to that player.
1538	* IMO, searching through all the players will mostly
1539	* likely be quicker than following op->env to the map,
1540	* and then searching the map for a player.
1541	*/
1542	if (!tmp)
1543	for_all_players (pl)
1544	if (pl->ob->container == op->env)
1545	{
1546	tmp = pl->ob;
1547	break;
1548	}
1549
1550	if (i < op->nrof)
1551	{
1552	sub_weight (op->env, op->weight * i);
1553	op->nrof -= i;
1554	if (tmp)
1555	esrv_send_item (tmp, op);
1556	}
1557	else
1558	{
1559	op->remove ();	1646	remove ();
1560	op->nrof = 0;	1647	return this;
1561	if (tmp)
1562	esrv_del_item (tmp->contr, op->count);
1563	}
1564	}	1648	}
1565	else	1649	else
1566	{	1650	{
1567	object *above = op->above;	1651	decrease (nr);
1568		1652
1569	if (i < op->nrof)	1653	object *op = deep_clone ();
1570	op->nrof -= i;	1654	op->nrof = nr;
1571	else
1572	{
1573	op->remove ();
1574	op->nrof = 0;
1575	}
1576
1577	/* Since we just removed op, op->above is null */
1578	for (tmp = above; tmp; tmp = tmp->above)
1579	if (tmp->type == PLAYER)
1580	{
1581	if (op->nrof)
1582	esrv_send_item (tmp, op);
1583	else
1584	esrv_del_item (tmp->contr, op->count);
1585	}
1586	}
1587
1588	if (op->nrof)
1589	return op;	1655	return op;
1590	else
1591	{
1592	op->destroy ();
1593	return 0;
1594	}
1595	}
1596
1597	/*
1598	* add_weight(object, weight) adds the specified weight to an object,
1599	* and also updates how much the environment(s) is/are carrying.
1600	*/
1601
1602	void
1603	add_weight (object *op, signed long weight)
1604	{
1605	while (op != NULL)
1606	{
1607	if (op->type == CONTAINER)
1608	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1609
1610	op->carrying += weight;
1611	op = op->env;
1612	}	1656	}
1613	}	1657	}
1614		1658
1615	object *	1659	object *
1616	insert_ob_in_ob (object *op, object *where)	1660	insert_ob_in_ob (object *op, object *where)
…		…
1621	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1665	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1622	free (dump);	1666	free (dump);
1623	return op;	1667	return op;
1624	}	1668	}
1625		1669
1626	if (where->head)	1670	if (where->head_ () != where)
1627	{	1671	{
1628	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1672	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1629	where = where->head;	1673	where = where->head;
1630	}	1674	}
1631		1675
1632	return where->insert (op);	1676	return where->insert (op);
1633	}	1677	}
…		…
1635	/*	1679	/*
1636	* env->insert (op)	1680	* env->insert (op)
1637	* This function inserts the object op in the linked list	1681	* This function inserts the object op in the linked list
1638	* inside the object environment.	1682	* inside the object environment.
1639	*	1683	*
1640	* The function returns now pointer to inserted item, and return value can	1684	* The function returns now pointer to inserted item, and return value can
1641	* be != op, if items are merged. -Tero	1685	* be != op, if items are merged. -Tero
1642	*/	1686	*/
1643
1644	object *	1687	object *
1645	object::insert (object *op)	1688	object::insert (object *op)
1646	{	1689	{
1647	object *tmp, *otmp;
1648
1649	if (!QUERY_FLAG (op, FLAG_REMOVED))
1650	op->remove ();
1651
1652	if (op->more)	1690	if (op->more)
1653	{	1691	{
1654	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1692	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1655	return op;	1693	return op;
1656	}	1694	}
1657		1695
1658	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1696	op->remove ();
1659	CLEAR_FLAG (op, FLAG_REMOVED);	1697
		1698	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1699
1660	if (op->nrof)	1700	if (op->nrof)
1661	{
1662	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1701	for (object *tmp = inv; tmp; tmp = tmp->below)
1663	if (object::can_merge (tmp, op))	1702	if (object::can_merge (tmp, op))
1664	{	1703	{
1665	/* return the original object and remove inserted object	1704	/* return the original object and remove inserted object
1666	(client needs the original object) */	1705	(client prefers the original object) */
		1706
		1707	// carrying must be 0 for mergable objects
		1708	weight_t oweight = weight_t (tmp->weight) * tmp->nrof;
		1709
1667	tmp->nrof += op->nrof;	1710	tmp->nrof += op->nrof;
1668	/* Weight handling gets pretty funky. Since we are adding to	1711
1669	* tmp->nrof, we need to increase the weight.	1712	if (object *pl = tmp->visible_to ())
1670	*/	1713	esrv_update_item (UPD_NROF, pl, tmp);
		1714
1671	add_weight (this, op->weight * op->nrof);	1715	adjust_weight (this, oweight, weight_t (tmp->weight) * tmp->nrof);
1672	SET_FLAG (op, FLAG_REMOVED);	1716
1673	op->destroy (); /* free the inserted object */	1717	op->destroy ();
1674	op = tmp;	1718	op = tmp;
1675	op->remove (); /* and fix old object's links */	1719	goto inserted;
1676	CLEAR_FLAG (op, FLAG_REMOVED);
1677	break;
1678	}	1720	}
1679		1721
1680	/* I assume combined objects have no inventory	1722	op->owner = 0; // it's his/hers now. period.
1681	* We add the weight - this object could have just been removed
1682	* (if it was possible to merge). calling remove_ob will subtract
1683	* the weight, so we need to add it in again, since we actually do
1684	* the linking below
1685	*/
1686	add_weight (this, op->weight * op->nrof);
1687	}
1688	else
1689	add_weight (this, (op->weight + op->carrying));
1690
1691	otmp = this->in_player ();
1692	if (otmp && otmp->contr)
1693	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1694	otmp->update_stats ();
1695
1696	op->map = 0;	1723	op->map = 0;
1697	op->env = this;	1724	op->x = 0;
		1725	op->y = 0;
		1726
1698	op->above = 0;	1727	op->above = 0;
1699	op->below = 0;	1728	op->below = inv;
1700	op->x = 0, op->y = 0;	1729	op->env = this;
1701		1730
		1731	if (inv)
		1732	inv->above = op;
		1733
		1734	inv = op;
		1735
		1736	op->flag [FLAG_REMOVED] = 0;
		1737
		1738	if (object *pl = op->visible_to ())
		1739	esrv_send_item (pl, op);
		1740
		1741	adjust_weight (this, 0, op->total_weight ());
		1742
		1743	inserted:
1702	/* reset the light list and los of the players on the map */	1744	/* reset the light list and los of the players on the map */
1703	if ((op->glow_radius != 0) && map)	1745	if (op->glow_radius && is_on_map ())
1704	{	1746	{
1705	#ifdef DEBUG_LIGHTS	1747	update_stats ();
1706	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1707	#endif /* DEBUG_LIGHTS */
1708	if (map->darkness)
1709	update_all_los (map, x, y);	1748	update_all_los (map, x, y);
1710	}
1711
1712	/* Client has no idea of ordering so lets not bother ordering it here.
1713	* It sure simplifies this function...
1714	*/
1715	if (!inv)
1716	inv = op;
1717	else
1718	{	1749	}
1719	op->below = inv;	1750	else if (is_player ())
1720	op->below->above = op;	1751	// if this is a player's inventory, update stats
1721	inv = op;	1752	contr->queue_stats_update ();
1722	}
1723		1753
1724	INVOKE_OBJECT (INSERT, this);	1754	INVOKE_OBJECT (INSERT, this);
1725		1755
1726	return op;	1756	return op;
1727	}	1757	}
…		…
1745	* MSW 2001-07-08: Check all objects on space, not just those below	1775	* MSW 2001-07-08: Check all objects on space, not just those below
1746	* object being inserted. insert_ob_in_map may not put new objects	1776	* object being inserted. insert_ob_in_map may not put new objects
1747	* on top.	1777	* on top.
1748	*/	1778	*/
1749	int	1779	int
1750	check_move_on (object *op, object *originator)	1780	check_move_on (object *op, object *originator, int flags)
1751	{	1781	{
		1782	if (op->flag [FLAG_NO_APPLY])
		1783	return 0;
		1784
1752	object *tmp;	1785	object *tmp;
1753	maptile *m = op->map;	1786	maptile *m = op->map;
1754	int x = op->x, y = op->y;	1787	int x = op->x, y = op->y;
1755		1788
1756	MoveType move_on, move_slow, move_block;	1789	mapspace &ms = m->at (x, y);
1757		1790
1758	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1791	ms.update ();
1759	return 0;
1760		1792
1761	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1793	MoveType move_on = ms.move_on;
1762	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1794	MoveType move_slow = ms.move_slow;
1763	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1795	MoveType move_block = ms.move_block;
1764		1796
1765	/* if nothing on this space will slow op down or be applied,	1797	/* if nothing on this space will slow op down or be applied,
1766	* no need to do checking below. have to make sure move_type	1798	* no need to do checking below. have to make sure move_type
1767	* is set, as lots of objects don't have it set - we treat that	1799	* is set, as lots of objects don't have it set - we treat that
1768	* as walking.	1800	* as walking.
…		…
1777	*/	1809	*/
1778	if ((op->move_type & ~move_on & ~move_block) != 0 && (op->move_type & ~move_slow & ~move_block) != 0)	1810	if ((op->move_type & ~move_on & ~move_block) != 0 && (op->move_type & ~move_slow & ~move_block) != 0)
1779	return 0;	1811	return 0;
1780		1812
1781	/* The objects have to be checked from top to bottom.	1813	/* The objects have to be checked from top to bottom.
1782	* Hence, we first go to the top:	1814	* Hence, we first go to the top:
1783	*/	1815	*/
1784		1816	for (object *next, *tmp = ms.top; tmp; tmp = next)
1785	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)
1786	{
1787	/* Trim the search when we find the first other spell effect
1788	* this helps performance so that if a space has 50 spell objects,
1789	* we don't need to check all of them.
1790	*/
1791	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1792	break;
1793	}	1817	{
		1818	next = tmp->below;
1794		1819
1795	for (; tmp; tmp = tmp->below)
1796	{
1797	if (tmp == op)	1820	if (tmp == op)
1798	continue; /* Can't apply yourself */	1821	continue; /* Can't apply yourself */
1799		1822
1800	/* Check to see if one of the movement types should be slowed down.	1823	/* Check to see if one of the movement types should be slowed down.
1801	* Second check makes sure that the movement types not being slowed	1824	* Second check makes sure that the movement types not being slowed
1802	* (~slow_move) is not blocked on this space - just because the	1825	* (~slow_move) is not blocked on this space - just because the
1803	* space doesn't slow down swimming (for example), if you can't actually	1826	* space doesn't slow down swimming (for example), if you can't actually
1804	* swim on that space, can't use it to avoid the penalty.	1827	* swim on that space, can't use it to avoid the penalty.
1805	*/	1828	*/
1806	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1829	if (!op->flag [FLAG_WIZPASS])
1807	{	1830	{
1808	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1831	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1809	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1832	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1810	{	1833	{
1811
1812	float
1813	diff = tmp->move_slow_penalty * FABS (op->speed);	1834	float diff = tmp->move_slow_penalty * fabs (op->speed);
1814		1835
1815	if (op->type == PLAYER)	1836	if (op->is_player ())
1816	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1837	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1817	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1838	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1818	diff /= 4.0;	1839	diff /= 4.0;
1819		1840
1820	op->speed_left -= diff;	1841	op->speed_left -= diff;
1821	}	1842	}
1822	}	1843	}
1823		1844
1824	/* Basically same logic as above, except now for actual apply. */	1845	/* Basically same logic as above, except now for actual apply. */
1825	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1846	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1826	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1847	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1827	{	1848	{
		1849	if ((flags & INS_NO_AUTO_EXIT)
		1850	&& (tmp->type == EXIT || tmp->type == TELEPORTER
		1851	|| tmp->type == HOLE || tmp->type == TRAPDOOR)) //TODO: temporary, fix exits instead
		1852	continue;
		1853
1828	move_apply (tmp, op, originator);	1854	move_apply (tmp, op, originator);
1829		1855
1830	if (op->destroyed ())	1856	if (op->destroyed ())
1831	return 1;	1857	return 1;
1832		1858
…		…
1848	* The first matching object is returned, or NULL if none.	1874	* The first matching object is returned, or NULL if none.
1849	*/	1875	*/
1850	object *	1876	object *
1851	present_arch (const archetype *at, maptile *m, int x, int y)	1877	present_arch (const archetype *at, maptile *m, int x, int y)
1852	{	1878	{
1853	if (m == NULL || out_of_map (m, x, y))	1879	if (!m || out_of_map (m, x, y))
1854	{	1880	{
1855	LOG (llevError, "Present_arch called outside map.\n");	1881	LOG (llevError, "Present_arch called outside map.\n");
1856	return NULL;	1882	return NULL;
1857	}	1883	}
1858		1884
1859	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1885	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1860	if (tmp->arch == at)	1886	if (tmp->arch->archname == at->archname)
1861	return tmp;	1887	return tmp;
1862		1888
1863	return NULL;	1889	return NULL;
1864	}	1890	}
1865		1891
…		…
1875	{	1901	{
1876	LOG (llevError, "Present called outside map.\n");	1902	LOG (llevError, "Present called outside map.\n");
1877	return NULL;	1903	return NULL;
1878	}	1904	}
1879		1905
1880	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1906	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1881	if (tmp->type == type)	1907	if (tmp->type == type)
1882	return tmp;	1908	return tmp;
1883		1909
1884	return NULL;	1910	return NULL;
1885	}	1911	}
…		…
1929	* The first matching object is returned, or NULL if none.	1955	* The first matching object is returned, or NULL if none.
1930	*/	1956	*/
1931	object *	1957	object *
1932	present_arch_in_ob (const archetype *at, const object *op)	1958	present_arch_in_ob (const archetype *at, const object *op)
1933	{	1959	{
1934	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1960	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1935	if (tmp->arch == at)	1961	if (tmp->arch->archname == at->archname)
1936	return tmp;	1962	return tmp;
1937		1963
1938	return NULL;	1964	return NULL;
1939	}	1965	}
1940		1966
…		…
1942	* activate recursively a flag on an object inventory	1968	* activate recursively a flag on an object inventory
1943	*/	1969	*/
1944	void	1970	void
1945	flag_inv (object *op, int flag)	1971	flag_inv (object *op, int flag)
1946	{	1972	{
1947	if (op->inv)
1948	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1973	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1949	{	1974	{
1950	SET_FLAG (tmp, flag);	1975	tmp->set_flag (flag);
1951	flag_inv (tmp, flag);	1976	flag_inv (tmp, flag);
1952	}	1977	}
1953	}	1978	}
1954		1979
1955	/*	1980	/*
1956	* deactivate recursively a flag on an object inventory	1981	* deactivate recursively a flag on an object inventory
1957	*/	1982	*/
1958	void	1983	void
1959	unflag_inv (object *op, int flag)	1984	unflag_inv (object *op, int flag)
1960	{	1985	{
1961	if (op->inv)
1962	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1986	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1963	{	1987	{
1964	CLEAR_FLAG (tmp, flag);	1988	tmp->clr_flag (flag);
1965	unflag_inv (tmp, flag);	1989	unflag_inv (tmp, flag);
1966	}	1990	}
1967	}
1968
1969	/*
1970	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1971	* all it's inventory (recursively).
1972	* If checksums are used, a player will get set_cheat called for
1973	* him/her-self and all object carried by a call to this function.
1974	*/
1975	void
1976	set_cheat (object *op)
1977	{
1978	SET_FLAG (op, FLAG_WAS_WIZ);
1979	flag_inv (op, FLAG_WAS_WIZ);
1980	}	1991	}
1981		1992
1982	/*	1993	/*
1983	* find_free_spot(object, map, x, y, start, stop) will search for	1994	* find_free_spot(object, map, x, y, start, stop) will search for
1984	* a spot at the given map and coordinates which will be able to contain	1995	* a spot at the given map and coordinates which will be able to contain
…		…
1986	* to search (see the freearr_x/y[] definition).	1997	* to search (see the freearr_x/y[] definition).
1987	* It returns a random choice among the alternatives found.	1998	* It returns a random choice among the alternatives found.
1988	* start and stop are where to start relative to the free_arr array (1,9	1999	* start and stop are where to start relative to the free_arr array (1,9
1989	* does all 4 immediate directions). This returns the index into the	2000	* does all 4 immediate directions). This returns the index into the
1990	* array of the free spot, -1 if no spot available (dir 0 = x,y)	2001	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1991	* Note - this only checks to see if there is space for the head of the
1992	* object - if it is a multispace object, this should be called for all
1993	* pieces.
1994	* Note2: This function does correctly handle tiled maps, but does not	2002	* Note: This function does correctly handle tiled maps, but does not
1995	* inform the caller. However, insert_ob_in_map will update as	2003	* inform the caller. However, insert_ob_in_map will update as
1996	* necessary, so the caller shouldn't need to do any special work.	2004	* necessary, so the caller shouldn't need to do any special work.
1997	* Note - updated to take an object instead of archetype - this is necessary	2005	* Note - updated to take an object instead of archetype - this is necessary
1998	* because arch_blocked (now ob_blocked) needs to know the movement type	2006	* because arch_blocked (now ob_blocked) needs to know the movement type
1999	* to know if the space in question will block the object. We can't use	2007	* to know if the space in question will block the object. We can't use
2000	* the archetype because that isn't correct if the monster has been	2008	* the archetype because that isn't correct if the monster has been
2001	* customized, changed states, etc.	2009	* customized, changed states, etc.
2002	*/	2010	*/
2003	int	2011	int
2004	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2012	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2005	{	2013	{
2006	int index = 0, flag;
2007	int altern[SIZEOFFREE];	2014	int altern[SIZEOFFREE];
		2015	int index = 0;
2008		2016
2009	for (int i = start; i < stop; i++)	2017	for (int i = start; i < stop; i++)
2010	{	2018	{
2011	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2019	mapxy pos (m, x, y); pos.move (i);
2012	if (!flag)	2020
		2021	if (!pos.normalise ())
		2022	continue;
		2023
		2024	mapspace &ms = *pos;
		2025
		2026	if (ms.flags () & P_IS_ALIVE)
		2027	continue;
		2028
		2029	/* However, often
		2030	* ob doesn't have any move type (when used to place exits)
		2031	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2032	*/
		2033	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2034	{
2013	altern [index++] = i;	2035	altern [index++] = i;
		2036	continue;
		2037	}
2014		2038
2015	/* Basically, if we find a wall on a space, we cut down the search size.	2039	/* Basically, if we find a wall on a space, we cut down the search size.
2016	* In this way, we won't return spaces that are on another side of a wall.	2040	* In this way, we won't return spaces that are on another side of a wall.
2017	* This mostly work, but it cuts down the search size in all directions -	2041	* This mostly work, but it cuts down the search size in all directions -
2018	* if the space being examined only has a wall to the north and empty	2042	* if the space being examined only has a wall to the north and empty
2019	* spaces in all the other directions, this will reduce the search space	2043	* spaces in all the other directions, this will reduce the search space
2020	* to only the spaces immediately surrounding the target area, and	2044	* to only the spaces immediately surrounding the target area, and
2021	* won't look 2 spaces south of the target space.	2045	* won't look 2 spaces south of the target space.
2022	*/	2046	*/
2023	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2047	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2048	{
2024	stop = maxfree[i];	2049	stop = maxfree[i];
		2050	continue;
		2051	}
		2052
		2053	/* Note it is intentional that we check ob - the movement type of the
		2054	* head of the object should correspond for the entire object.
		2055	*/
		2056	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2057	continue;
		2058
		2059	if (ob->blocked (pos.m, pos.x, pos.y))
		2060	continue;
		2061
		2062	altern [index++] = i;
2025	}	2063	}
2026		2064
2027	if (!index)	2065	if (!index)
2028	return -1;	2066	return -1;
2029		2067
2030	return altern[RANDOM () % index];	2068	return altern [rndm (index)];
2031	}	2069	}
2032		2070
2033	/*	2071	/*
2034	* find_first_free_spot(archetype, maptile, x, y) works like	2072	* find_first_free_spot(archetype, maptile, x, y) works like
2035	* find_free_spot(), but it will search max number of squares.	2073	* find_free_spot(), but it will search max number of squares.
…		…
2038	*/	2076	*/
2039	int	2077	int
2040	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2078	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2041	{	2079	{
2042	for (int i = 0; i < SIZEOFFREE; i++)	2080	for (int i = 0; i < SIZEOFFREE; i++)
2043	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2081	if (!ob->blocked (m, x + DIRX (i), y + DIRY (i)))
2044	return i;	2082	return i;
2045		2083
2046	return -1;	2084	return -1;
2047	}	2085	}
2048		2086
…		…
2056	{	2094	{
2057	arr += begin;	2095	arr += begin;
2058	end -= begin;	2096	end -= begin;
2059		2097
2060	while (--end)	2098	while (--end)
2061	swap (arr [end], arr [RANDOM () % (end + 1)]);	2099	swap (arr [end], arr [rndm (end + 1)]);
2062	}	2100	}
2063		2101
2064	/* new function to make monster searching more efficient, and effective!	2102	/* new function to make monster searching more efficient, and effective!
2065	* This basically returns a randomized array (in the passed pointer) of	2103	* This basically returns a randomized array (in the passed pointer) of
2066	* the spaces to find monsters. In this way, it won't always look for	2104	* the spaces to find monsters. In this way, it won't always look for
2067	* monsters to the north first. However, the size of the array passed	2105	* monsters to the north first. However, the size of the array passed
2068	* covers all the spaces, so within that size, all the spaces within	2106	* covers all the spaces, so within that size, all the spaces within
2069	* the 3x3 area will be searched, just not in a predictable order.	2107	* the 3x3 area will be searched, just not in a predictable order.
…		…
2094	* there is capable of.	2132	* there is capable of.
2095	*/	2133	*/
2096	int	2134	int
2097	find_dir (maptile *m, int x, int y, object *exclude)	2135	find_dir (maptile *m, int x, int y, object *exclude)
2098	{	2136	{
2099	int i, max = SIZEOFFREE, mflags;	2137	int max = SIZEOFFREE;
2100
2101	sint16 nx, ny;
2102	object *tmp;
2103	maptile *mp;
2104
2105	MoveType blocked, move_type;	2138	MoveType move_type;
2106		2139
2107	if (exclude && exclude->head)	2140	if (exclude && exclude->head_ () != exclude)
2108	{	2141	{
2109	exclude = exclude->head;	2142	exclude = exclude->head;
2110	move_type = exclude->move_type;	2143	move_type = exclude->move_type;
2111	}	2144	}
2112	else	2145	else
2113	{	2146	{
2114	/* If we don't have anything, presume it can use all movement types. */	2147	/* If we don't have anything, presume it can use all movement types. */
2115	move_type = MOVE_ALL;	2148	move_type = MOVE_ALL;
2116	}	2149	}
2117		2150
2118	for (i = 1; i < max; i++)	2151	for (int i = 1; i < max; i++)
2119	{	2152	{
2120	mp = m;	2153	mapxy pos (m, x, y);
2121	nx = x + freearr_x[i];	2154	pos.move (i);
2122	ny = y + freearr_y[i];
2123		2155
2124	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2156	if (!pos.normalise ())
2125
2126	if (mflags & P_OUT_OF_MAP)
2127	max = maxfree[i];	2157	max = maxfree[i];
2128	else	2158	else
2129	{	2159	{
2130	mapspace &ms = mp->at (nx, ny);	2160	mapspace &ms = *pos;
2131		2161
2132	blocked = ms.move_block;
2133
2134	if ((move_type & blocked) == move_type)	2162	if ((move_type & ms.move_block) == move_type)
2135	max = maxfree[i];	2163	max = maxfree [i];
2136	else if (mflags & P_IS_ALIVE)	2164	else if (ms.flags () & P_IS_ALIVE)
2137	{	2165	{
2138	for (tmp = ms.bot; tmp; tmp = tmp->above)	2166	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2139	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2167	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2140	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2168	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2141	break;
2142
2143	if (tmp)
2144	return freedir[i];	2169	return freedir [i];
2145	}	2170	}
2146	}	2171	}
2147	}	2172	}
2148		2173
2149	return 0;	2174	return 0;
…		…
2158	{	2183	{
2159	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2184	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2160	}	2185	}
2161		2186
2162	/*	2187	/*
2163	* find_dir_2(delta-x,delta-y) will return a direction in which	2188	* find_dir_2(delta-x,delta-y) will return a direction value
2164	* an object which has subtracted the x and y coordinates of another	2189	* for running into direct [dx, dy].
2165	* object, needs to travel toward it.	2190	* (the opposite of crossfire's find_dir_2!)
2166	*/	2191	*/
2167	int	2192	int
2168	find_dir_2 (int x, int y)	2193	find_dir_2 (int x, int y)
2169	{	2194	{
		2195	#if 1 // new algorithm
		2196	// this works by putting x, y into 16 sectors, which
		2197	// are not equal sized, but are a better approximation
		2198	// then the old algorithm, and then using a mapping
		2199	// table to map it into a direction value.
		2200	// basically, it maps these comparisons to each bit
		2201	// bit #3: x < 0
		2202	// bit #2: y < 0
		2203	// bit #1: x > y
		2204	// bit #0: x > 2y
		2205
		2206	static const uint8 dir[16] = {
		2207	4, 5, 4, 3,
		2208	2, 1, 2, 3,
		2209	6, 5, 6, 7,
		2210	8, 1, 8, 7,
		2211	};
		2212	int sector = 0;
		2213
		2214	// this is a bit ugly, but more likely to result in branchless code
		2215	sector |= x < 0 ? 8 : 0;
		2216	x = x < 0 ? -x : x; // abs
		2217
		2218	sector |= y < 0 ? 4 : 0;
		2219	y = y < 0 ? -y : y; // abs
		2220
		2221	if (x > y)
		2222	{
		2223	sector |= 2;
		2224
		2225	if (x > y * 2)
		2226	sector |= 1;
		2227	}
		2228	else
		2229	{
		2230	if (y > x * 2)
		2231	sector |= 1;
		2232	else if (!y)
		2233	return 0; // x == 0 here
		2234	}
		2235
		2236	return dir [sector];
		2237	#else // old algorithm
2170	int q;	2238	int q;
2171		2239
2172	if (y)	2240	if (y)
2173	q = x * 100 / y;	2241	q = 128 * x / y;
2174	else if (x)	2242	else if (x)
2175	q = -300 * x;	2243	q = -512 * x; // to make it > 309
2176	else	2244	else
2177	return 0;	2245	return 0;
2178		2246
2179	if (y > 0)	2247	if (y > 0)
2180	{	2248	{
2181	if (q < -242)	2249	if (q < -309) return 7;
		2250	if (q < -52) return 6;
		2251	if (q < 52) return 5;
		2252	if (q < 309) return 4;
		2253
2182	return 3;	2254	return 3;
2183	if (q < -41)	2255	}
2184	return 2;	2256	else
2185	if (q < 41)	2257	{
2186	return 1;	2258	if (q < -309) return 3;
2187	if (q < 242)	2259	if (q < -52) return 2;
2188	return 8;	2260	if (q < 52) return 1;
		2261	if (q < 309) return 8;
		2262
2189	return 7;	2263	return 7;
2190	}	2264	}
2191		2265	#endif
2192	if (q < -242)
2193	return 7;
2194	if (q < -41)
2195	return 6;
2196	if (q < 41)
2197	return 5;
2198	if (q < 242)
2199	return 4;
2200
2201	return 3;
2202	}
2203
2204	/*
2205	* absdir(int): Returns a number between 1 and 8, which represent
2206	* the "absolute" direction of a number (it actually takes care of
2207	* "overflow" in previous calculations of a direction).
2208	*/
2209
2210	int
2211	absdir (int d)
2212	{
2213	while (d < 1)
2214	d += 8;
2215
2216	while (d > 8)
2217	d -= 8;
2218
2219	return d;
2220	}	2266	}
2221		2267
2222	/*	2268	/*
2223	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2269	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2224	* between two directions (which are expected to be absolute (see absdir())	2270	* between two directions (which are expected to be absolute (see absdir())
2225	*/	2271	*/
2226
2227	int	2272	int
2228	dirdiff (int dir1, int dir2)	2273	dirdiff (int dir1, int dir2)
2229	{	2274	{
2230	int d;
2231
2232	d = abs (dir1 - dir2);	2275	int d = abs (dir1 - dir2);
2233	if (d > 4)
2234	d = 8 - d;
2235		2276
2236	return d;	2277	return d > 4 ? 8 - d : d;
2237	}	2278	}
2238		2279
2239	/* peterm:	2280	/* peterm:
2240	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2281	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2241	* Basically, this is a table of directions, and what directions	2282	* Basically, this is a table of directions, and what directions
…		…
2243	* This basically means that if direction is 15, then it could either go	2284	* This basically means that if direction is 15, then it could either go
2244	* direction 4, 14, or 16 to get back to where we are.	2285	* direction 4, 14, or 16 to get back to where we are.
2245	* Moved from spell_util.c to object.c with the other related direction	2286	* Moved from spell_util.c to object.c with the other related direction
2246	* functions.	2287	* functions.
2247	*/	2288	*/
2248	int reduction_dir[SIZEOFFREE][3] = {	2289	static const int reduction_dir[SIZEOFFREE][3] = {
2249	{0, 0, 0}, /* 0 */	2290	{0, 0, 0}, /* 0 */
2250	{0, 0, 0}, /* 1 */	2291	{0, 0, 0}, /* 1 */
2251	{0, 0, 0}, /* 2 */	2292	{0, 0, 0}, /* 2 */
2252	{0, 0, 0}, /* 3 */	2293	{0, 0, 0}, /* 3 */
2253	{0, 0, 0}, /* 4 */	2294	{0, 0, 0}, /* 4 */
…		…
2310	int mflags;	2351	int mflags;
2311		2352
2312	if (dir < 0)	2353	if (dir < 0)
2313	return 0; /* exit condition: invalid direction */	2354	return 0; /* exit condition: invalid direction */
2314		2355
2315	dx = x + freearr_x[dir];	2356	dx = x + DIRX (dir);
2316	dy = y + freearr_y[dir];	2357	dy = y + DIRY (dir);
2317		2358
2318	mflags = get_map_flags (m, &m, dx, dy, &dx, &dy);	2359	mflags = get_map_flags (m, &m, dx, dy, &dx, &dy);
2319		2360
2320	/* This functional arguably was incorrect before - it was	2361	/* This functional arguably was incorrect before - it was
2321	* checking for P_WALL - that was basically seeing if	2362	* checking for P_WALL - that was basically seeing if
…		…
2344	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2385	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2345	* core dumps if they do.	2386	* core dumps if they do.
2346	*	2387	*
2347	* Add a check so we can't pick up invisible objects (0.93.8)	2388	* Add a check so we can't pick up invisible objects (0.93.8)
2348	*/	2389	*/
2349
2350	int	2390	int
2351	can_pick (const object *who, const object *item)	2391	can_pick (const object *who, const object *item)
2352	{	2392	{
2353	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2393	return /*who->flag [FLAG_WIZ]|| */
2354	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2394	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2355	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2395	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2356	}	2396	}
		2397
		2398	//-GPL
2357		2399
2358	/*	2400	/*
2359	* create clone from object to another	2401	* create clone from object to another
2360	*/	2402	*/
2361	object *	2403	object *
2362	object_create_clone (object *asrc)	2404	object::deep_clone ()
2363	{	2405	{
2364	object *dst = 0, *tmp, *src, *part, *prev, *item;	2406	assert (("deep_clone called on non-head object", is_head ()));
2365		2407
2366	if (!asrc)	2408	object *dst = clone ();
2367	return 0;
2368		2409
2369	src = asrc;	2410	object *prev = dst;
2370	if (src->head)
2371	src = src->head;
2372
2373	prev = 0;
2374	for (part = src; part; part = part->more)	2411	for (object *part = this->more; part; part = part->more)
2375	{	2412	{
2376	tmp = part->clone ();	2413	object *tmp = part->clone ();
2377	tmp->x -= src->x;
2378	tmp->y -= src->y;
2379
2380	if (!part->head)
2381	{
2382	dst = tmp;
2383	tmp->head = 0;
2384	}
2385	else
2386	tmp->head = dst;	2414	tmp->head = dst;
2387
2388	tmp->more = 0;
2389
2390	if (prev)
2391	prev->more = tmp;	2415	prev->more = tmp;
2392
2393	prev = tmp;	2416	prev = tmp;
2394	}	2417	}
2395		2418
2396	for (item = src->inv; item; item = item->below)	2419	for (object *item = inv; item; item = item->below)
2397	insert_ob_in_ob (object_create_clone (item), dst);	2420	insert_ob_in_ob (item->deep_clone (), dst);
2398		2421
2399	return dst;	2422	return dst;
2400	}
2401
2402	/* GROS - Creates an object using a string representing its content. */
2403	/* Basically, we save the content of the string to a temp file, then call */
2404	/* load_object on it. I admit it is a highly inefficient way to make things, */
2405	/* but it was simple to make and allows reusing the load_object function. */
2406	/* Remember not to use load_object_str in a time-critical situation. */
2407	/* Also remember that multiparts objects are not supported for now. */
2408	object *
2409	load_object_str (const char *obstr)
2410	{
2411	object *op;
2412	char filename[MAX_BUF];
2413
2414	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2415
2416	FILE *tempfile = fopen (filename, "w");
2417
2418	if (tempfile == NULL)
2419	{
2420	LOG (llevError, "Error - Unable to access load object temp file\n");
2421	return NULL;
2422	}
2423
2424	fprintf (tempfile, obstr);
2425	fclose (tempfile);
2426
2427	op = object::create ();
2428
2429	object_thawer thawer (filename);
2430
2431	if (thawer)
2432	load_object (thawer, op, 0);
2433
2434	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2435	CLEAR_FLAG (op, FLAG_REMOVED);
2436
2437	return op;
2438	}	2423	}
2439		2424
2440	/* This returns the first object in who's inventory that	2425	/* This returns the first object in who's inventory that
2441	* has the same type and subtype match.	2426	* has the same type and subtype match.
2442	* returns NULL if no match.	2427	* returns NULL if no match.
…		…
2449	return tmp;	2434	return tmp;
2450		2435
2451	return 0;	2436	return 0;
2452	}	2437	}
2453		2438
2454	/* If ob has a field named key, return the link from the list,	2439	/* Zero the key_values on op, decrementing the shared-string
2455	* otherwise return NULL.	2440	* refcounts and freeing the links.
2456	*	2441	*/
2457	* key must be a passed in shared string - otherwise, this won't	2442	void
2458	* do the desired thing.	2443	key_values::clear ()
2459	*/
2460	key_value *
2461	get_ob_key_link (const object *ob, const char *key)
2462	{	2444	{
2463	for (key_value *link = ob->key_values; link; link = link->next)	2445	for (key_value *kvp = first; kvp; )
		2446	{
		2447	key_value *next = kvp->next;
		2448	delete kvp;
		2449	kvp = next;
		2450	}
		2451
		2452	first = 0;
		2453	}
		2454
		2455	shstr_tmp
		2456	key_values::get (shstr_tmp key) const
		2457	{
		2458	for (key_value *kv = first; kv; kv = kv->next)
2464	if (link->key == key)	2459	if (kv->key == key)
2465	return link;
2466
2467	return 0;
2468	}
2469
2470	/*
2471	* Returns the value of op has an extra_field for key, or NULL.
2472	*
2473	* The argument doesn't need to be a shared string.
2474	*
2475	* The returned string is shared.
2476	*/
2477	const char *
2478	get_ob_key_value (const object *op, const char *const key)
2479	{
2480	key_value *link;
2481	shstr_cmp canonical_key (key);
2482
2483	if (!canonical_key)
2484	{
2485	/* 1. There being a field named key on any object
2486	* implies there'd be a shared string to find.
2487	* 2. Since there isn't, no object has this field.
2488	* 3. Therefore, *this* object doesn't have this field.
2489	*/
2490	return 0;
2491	}
2492
2493	/* This is copied from get_ob_key_link() above -
2494	* only 4 lines, and saves the function call overhead.
2495	*/
2496	for (link = op->key_values; link; link = link->next)
2497	if (link->key == canonical_key)
2498	return link->value;	2460	return kv->value;
2499		2461
2500	return 0;	2462	return shstr ();
2501	}	2463	}
2502		2464
2503		2465	void
2504	/*	2466	key_values::add (shstr_tmp key, shstr_tmp value)
2505	* Updates the canonical_key in op to value.
2506	*
2507	* canonical_key is a shared string (value doesn't have to be).
2508	*
2509	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2510	* keys.
2511	*
2512	* Returns TRUE on success.
2513	*/
2514	int
2515	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2516	{	2467	{
2517	key_value *field = NULL, *last = NULL;	2468	key_value *kv = new key_value;
2518		2469
2519	for (field = op->key_values; field != NULL; field = field->next)	2470	kv->next = first;
2520	{	2471	kv->key = key;
2521	if (field->key != canonical_key)	2472	kv->value = value;
		2473
		2474	first = kv;
		2475	}
		2476
		2477	void
		2478	key_values::set (shstr_tmp key, shstr_tmp value)
		2479	{
		2480	for (key_value *kv = first; kv; kv = kv->next)
		2481	if (kv->key == key)
2522	{	2482	{
2523	last = field;	2483	kv->value = value;
2524	continue;	2484	return;
2525	}	2485	}
2526		2486
2527	if (value)	2487	add (key, value);
2528	field->value = value;	2488	}
2529	else	2489
		2490	void
		2491	key_values::del (shstr_tmp key)
		2492	{
		2493	for (key_value **kvp = &first; *kvp; kvp = &(*kvp)->next)
		2494	if ((*kvp)->key == key)
2530	{	2495	{
2531	/* Basically, if the archetype has this key set,	2496	key_value *kv = *kvp;
2532	* we need to store the null value so when we save	2497	*kvp = (*kvp)->next;
2533	* it, we save the empty value so that when we load,	2498	delete kv;
2534	* we get this value back again.	2499	return;
2535	*/
2536	if (get_ob_key_link (&op->arch->clone, canonical_key))
2537	field->value = 0;
2538	else
2539	{
2540	if (last)
2541	last->next = field->next;
2542	else
2543	op->key_values = field->next;
2544
2545	delete field;
2546	}
2547	}	2500	}
2548	return TRUE;	2501	}
		2502
		2503	void
		2504	key_values::reverse ()
		2505	{
		2506	key_value *prev = 0;
		2507	key_value *head = first;
		2508
		2509	while (head)
2549	}	2510	{
2550	/* IF we get here, key doesn't exist */	2511	key_value *node = head;
		2512	head = head->next;
		2513	node->next = prev;
		2514	prev = node;
		2515	}
2551		2516
2552	/* No field, we'll have to add it. */	2517	first = prev;
2553
2554	if (!add_key)
2555	return FALSE;
2556
2557	/* There isn't any good reason to store a null
2558	* value in the key/value list. If the archetype has
2559	* this key, then we should also have it, so shouldn't
2560	* be here. If user wants to store empty strings,
2561	* should pass in ""
2562	*/
2563	if (value == NULL)
2564	return TRUE;
2565
2566	field = new key_value;
2567
2568	field->key = canonical_key;
2569	field->value = value;
2570	/* Usual prepend-addition. */
2571	field->next = op->key_values;
2572	op->key_values = field;
2573
2574	return TRUE;
2575	}	2518	}
2576		2519
2577	/*	2520	key_values &
2578	* Updates the key in op to value.	2521	key_values::operator =(const key_values &kv)
2579	*
2580	* If add_key is FALSE, this will only update existing keys,
2581	* and not add new ones.
2582	* In general, should be little reason FALSE is ever passed in for add_key
2583	*
2584	* Returns TRUE on success.
2585	*/
2586	int
2587	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2588	{	2522	{
2589	shstr key_ (key);	2523	clear ();
2590		2524
2591	return set_ob_key_value_s (op, key_, value, add_key);	2525	for (key_value *kvp = kv.first; kvp; kvp = kvp->next)
		2526	add (kvp->key, kvp->value);
		2527
		2528	reverse ();
2592	}	2529	}
2593		2530
2594	object::depth_iterator::depth_iterator (object *container)	2531	object::depth_iterator::depth_iterator (object *container)
2595	: iterator_base (container)	2532	: iterator_base (container)
2596	{	2533	{
…		…
2610	}	2547	}
2611	else	2548	else
2612	item = item->env;	2549	item = item->env;
2613	}	2550	}
2614		2551
		2552	const char *
		2553	object::flag_desc (char *desc, int len) const
		2554	{
		2555	char *p = desc;
		2556	bool first = true;
		2557
		2558	*p = 0;
		2559
		2560	for (int i = 0; i < NUM_FLAGS; i++)
		2561	{
		2562	if (len <= 10) // magic constant!
		2563	{
		2564	snprintf (p, len, ",...");
		2565	break;
		2566	}
		2567
		2568	if (flag [i])
		2569	{
		2570	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2571	len -= cnt;
		2572	p += cnt;
		2573	first = false;
		2574	}
		2575	}
		2576
		2577	return desc;
		2578	}
		2579
2615	// return a suitable string describing an objetc in enough detail to find it	2580	// return a suitable string describing an object in enough detail to find it
2616	const char *	2581	const char *
2617	object::debug_desc (char *info) const	2582	object::debug_desc (char *info) const
2618	{	2583	{
		2584	char flagdesc[512];
2619	char info2[256 * 3];	2585	char info2[256 * 4];
2620	char *p = info;	2586	char *p = info;
2621		2587
2622	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2588	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2623	count,	2589	count,
		2590	uuid.c_str (),
2624	&name,	2591	&name,
2625	title ? " " : "",	2592	title ? ",title:\"" : "",
2626	title ? (const char *)title : "");	2593	title ? (const char *)title : "",
		2594	title ? "\"" : "",
		2595	flag_desc (flagdesc, 512), type);
2627		2596
2628	if (env)	2597	if (!flag[FLAG_REMOVED] && env)
2629	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2598	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2630		2599
2631	if (map)	2600	if (map)
2632	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2601	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2633		2602
…		…
2635	}	2604	}
2636		2605
2637	const char *	2606	const char *
2638	object::debug_desc () const	2607	object::debug_desc () const
2639	{	2608	{
2640	static char info[256 * 3];	2609	static char info[3][256 * 4];
		2610	static int info_idx;
		2611
2641	return debug_desc (info);	2612	return debug_desc (info [++info_idx % 3]);
2642	}	2613	}
2643		2614
		2615	struct region *
		2616	object::region () const
		2617	{
		2618	return map ? map->region (x, y)
		2619	: region::default_region ();
		2620	}
		2621
		2622	//+GPL
		2623
		2624	void
		2625	object::open_container (object *new_container)
		2626	{
		2627	if (container == new_container)
		2628	return;
		2629
		2630	object *old_container = container;
		2631
		2632	if (old_container)
		2633	{
		2634	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2635	return;
		2636
		2637	#if 0
		2638	// remove the "Close old_container" object.
		2639	if (object *closer = old_container->inv)
		2640	if (closer->type == CLOSE_CON)
		2641	closer->destroy ();
		2642	#endif
		2643
		2644	// make sure the container is available
		2645	esrv_send_item (this, old_container);
		2646
		2647	old_container->flag [FLAG_APPLIED] = false;
		2648	container = 0;
		2649
		2650	// client needs item update to make it work, client bug requires this to be separate
		2651	esrv_update_item (UPD_FLAGS, this, old_container);
		2652
		2653	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2654	play_sound (sound_find ("chest_close"));
		2655	}
		2656
		2657	if (new_container)
		2658	{
		2659	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2660	return;
		2661
		2662	// TODO: this does not seem to serve any purpose anymore?
		2663	#if 0
		2664	// insert the "Close Container" object.
		2665	if (archetype *closer = new_container->other_arch)
		2666	{
		2667	object *closer = new_container->other_arch->instance ();
		2668	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2669	new_container->insert (closer);
		2670	}
		2671	#endif
		2672
		2673	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2674
		2675	// make sure the container is available, client bug requires this to be separate
		2676	esrv_send_item (this, new_container);
		2677
		2678	new_container->flag [FLAG_APPLIED] = true;
		2679	container = new_container;
		2680
		2681	// client needs flag change
		2682	esrv_update_item (UPD_FLAGS, this, new_container);
		2683	esrv_send_inventory (this, new_container);
		2684	play_sound (sound_find ("chest_open"));
		2685	}
		2686	// else if (!old_container->env && contr && contr->ns)
		2687	// contr->ns->floorbox_reset ();
		2688	}
		2689
		2690	//-GPL
		2691
		2692	// prefetch some flat area around the player
		2693	static void
		2694	prefetch_surrounding_area (object *op, maptile *map, int range)
		2695	{
		2696	for (maprect *rect = map->split_to_tiles (mapwalk_buf,
		2697	op->x - range , op->y - range ,
		2698	op->x + range + 1, op->y + range + 1);
		2699	rect->m;
		2700	++rect)
		2701	{
		2702	rect->m->touch ();
		2703	rect->m->activate ();
		2704	}
		2705	}
		2706
		2707	// prefetch a generous area around the player, also up and down
		2708	void
		2709	object::prefetch_surrounding_maps ()
		2710	{
		2711	prefetch_surrounding_area (this, map, 40);
		2712
		2713	if (maptile *m = map->tile_available (TILE_DOWN))
		2714	prefetch_surrounding_area (this, m, 20);
		2715
		2716	if (maptile *m = map->tile_available (TILE_UP))
		2717	prefetch_surrounding_area (this, m, 20);
		2718	}
		2719
		2720	//+GPL
		2721
		2722	object *
		2723	object::force_find (shstr_tmp name)
		2724	{
		2725	/* cycle through his inventory to look for the MARK we want to
		2726	* place
		2727	*/
		2728	for (object *tmp = inv; tmp; tmp = tmp->below)
		2729	if (tmp->type == FORCE && tmp->slaying == name)
		2730	return splay (tmp);
		2731
		2732	return 0;
		2733	}
		2734
		2735	void
		2736	object::force_set_timer (int duration)
		2737	{
		2738	this->duration = 1;
		2739	this->speed_left = -1.f;
		2740
		2741	this->set_speed (duration ? 1.f / duration : 0.f);
		2742	}
		2743
		2744	object *
		2745	object::force_add (shstr_tmp name, int duration)
		2746	{
		2747	if (object *force = force_find (name))
		2748	force->destroy ();
		2749
		2750	object *force = archetype::get (FORCE_NAME);
		2751
		2752	force->slaying = name;
		2753	force->force_set_timer (duration);
		2754	force->flag [FLAG_APPLIED] = true;
		2755
		2756	return insert (force);
		2757	}
		2758
		2759	void
		2760	object::play_sound (faceidx sound) const
		2761	{
		2762	if (!sound)
		2763	return;
		2764
		2765	if (is_on_map ())
		2766	map->play_sound (sound, x, y);
		2767	else if (object *pl = in_player ())
		2768	pl->contr->play_sound (sound);
		2769	}
		2770
		2771	void
		2772	object::say_msg (const char *msg) const
		2773	{
		2774	if (is_on_map ())
		2775	map->say_msg (msg, x, y);
		2776	else if (object *pl = in_player ())
		2777	pl->contr->play_sound (sound);
		2778	}
		2779
		2780	void
		2781	object::make_noise ()
		2782	{
		2783	// we do not model noise in the map, so instead put
		2784	// a temporary light into the noise source
		2785	// could use the map instead, but that's less reliable for our
		2786	// goal, which is to make invisibility a bit harder to exploit
		2787
		2788	// currently only works sensibly for players
		2789	if (!is_player ())
		2790	return;
		2791
		2792	// find old force, or create new one
		2793	object *force = force_find (shstr_noise_force);
		2794
		2795	if (force)
		2796	force->speed_left = -1.f; // patch old speed up
		2797	else
		2798	{
		2799	force = archetype::get (shstr_noise_force);
		2800
		2801	force->slaying = shstr_noise_force;
		2802	force->stats.food = 1;
		2803	force->speed_left = -1.f;
		2804
		2805	force->set_speed (1.f / 4.f);
		2806	force->flag [FLAG_IS_USED_UP] = true;
		2807	force->flag [FLAG_APPLIED] = true;
		2808
		2809	insert (force);
		2810	}
		2811	}
		2812
		2813	void object::change_move_type (MoveType mt)
		2814	{
		2815	if (move_type == mt)
		2816	return;
		2817
		2818	if (is_on_map ())
		2819	{
		2820	// we are on the map, so handle move_on/off effects
		2821	remove ();
		2822	move_type = mt;
		2823	map->insert (this, x, y, this);
		2824	}
		2825	else
		2826	move_type = mt;
		2827	}
		2828
		2829	/* object should be a player.
		2830	* we return the object the player has marked with the 'mark' command
		2831	* below. If no match is found (or object has changed), we return
		2832	* NULL. We leave it up to the calling function to print messages if
		2833	* nothing is found.
		2834	*/
		2835	object *
		2836	object::mark () const
		2837	{
		2838	if (contr && contr->mark && contr->mark->env == this)
		2839	return contr->mark;
		2840	else
		2841	return 0;
		2842	}
		2843
		2844	// put marked object first in the inventory
		2845	// this is used by identify-like spells so players can influence
		2846	// the order a bit.
		2847	void
		2848	object::splay_marked ()
		2849	{
		2850	if (object *marked = mark ())
		2851	splay (marked);
		2852	}
		2853

Diff Legend

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