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Comparing deliantra/server/common/object.C (file contents):
Revision 1.90 by root, Tue Dec 26 10:14:24 2006 UTC vs.
Revision 1.336 by root, Wed Apr 28 11:19:09 2010 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
8	it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
9	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	11	* option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
18	along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
20		21	*
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	25	#include <global.h>
28	#include <stdio.h>	26	#include <stdio.h>
29	#include <sys/types.h>	27	#include <sys/types.h>
30	#include <sys/uio.h>	28	#include <sys/uio.h>
31	#include <object.h>	29	#include <object.h>
32	#include <funcpoint.h>	30	#include <sproto.h>
33	#include <loader.h>
34		31
35	#include <bitset>	32	#include <bitset>
36		33
37	int nrofallocobjects = 0;	34	UUID UUID::cur;
38	static UUID uuid;	35	static uint64_t seq_next_save;
39	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
40		38
41	object *active_objects; /* List of active objects that need to be processed */	39	objectvec objects;
		40	activevec actives;
42		41
43	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	42	freelist_item *object::freelist;
		43	uint32_t object::object_count;
		44	uint32_t object::free_count;
		45	uint32_t object::create_count;
		46	uint32_t object::destroy_count;
		47
		48	//+GPL
		49
		50	short freearr_x[SIZEOFFREE] = {
		51	0,
		52	0, 1, 1, 1, 0, -1, -1, -1,
		53	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	54	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	};	55	};
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,	56	short freearr_y[SIZEOFFREE] = {
		57	0,
		58	-1, -1, 0, 1, 1, 1, 0, -1,
		59	-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	60	-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	};	61	};
52	int freedir[SIZEOFFREE] = {	62	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,	63	0,
		64	1, 2, 3, 4, 5, 6, 7, 8,
		65	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	66	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	};	67	};
56		68
		69	static int maxfree[SIZEOFFREE] = {
		70	0,
		71	9, 10, 13, 14, 17, 18, 21, 22,
		72	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		73	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		74	};
		75
57	static void	76	static void
58	write_uuid (void)	77	write_uuid (uval64 skip, bool sync)
59	{	78	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	79	CALL_BEGIN (2);
61		80	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	81	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	82	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		83	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	}	84	}
77		85
78	static void	86	static void
79	read_uuid (void)	87	read_uuid ()
80	{	88	{
81	char filename[MAX_BUF];	89	char filename[MAX_BUF];
82		90
83	sprintf (filename, "%s/uuid", settings.localdir);	91	sprintf (filename, "%s/uuid", settings.localdir);
		92
		93	seq_next_save = 0;
84		94
85	FILE *fp;	95	FILE *fp;
86		96
87	if (!(fp = fopen (filename, "r")))	97	if (!(fp = fopen (filename, "r")))
88	{	98	{
89	if (errno == ENOENT)	99	if (errno == ENOENT)
90	{	100	{
91	LOG (llevInfo, "RESET uid to 1\n");	101	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	102	UUID::cur.seq = 0;
93	write_uuid ();	103	write_uuid (UUID_GAP, true);
94	return;	104	return;
95	}	105	}
96		106
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	107	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	108	_exit (1);
99	}	109	}
100		110
101	int version;	111	char buf [UUID::MAX_LEN];
102	unsigned long long uid;	112	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	113	fgets (buf, sizeof (buf), fp);
		114
		115	if (!UUID::cur.parse (buf))
104	{	116	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	117	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	118	_exit (1);
107	}	119	}
108		120
109	uuid.seq = uid;	121	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	122
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	123	write_uuid (UUID_GAP, true);
112	fclose (fp);	124	fclose (fp);
113	}	125	}
114		126
115	UUID	127	UUID
116	gen_uuid ()	128	UUID::gen ()
117	{	129	{
118	UUID uid;	130	UUID uid;
119		131
120	uid.seq = ++uuid.seq;	132	uid.seq = ++cur.seq;
121		133
122	if (!(uuid.seq & (UUID_SKIP - 1)))	134	if (expect_false (cur.seq >= seq_next_save))
123	write_uuid ();	135	{
		136	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		137	write_uuid (UUID_GAP, false);
		138	}
		139
124		140
125	return uid;	141	return uid;
126	}	142	}
127		143
128	void	144	void
129	init_uuid ()	145	UUID::init ()
130	{	146	{
131	read_uuid ();	147	read_uuid ();
132	}	148	}
133		149
		150	bool
		151	UUID::parse (const char *s)
		152	{
		153	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		154	return false;
		155
		156	seq = 0;
		157
		158	while (*s != '>')
		159	{
		160	if (*s < '0')
		161	return false;
		162
		163	// this gives nice branchless code with gcc
		164	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		165	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		166
		167	seq = (seq << 4) | digit;
		168
		169	++s;
		170	}
		171
		172	return true;
		173	}
		174
		175	char *
		176	UUID::append (char *buf) const
		177	{
		178	*buf++ = '<';
		179	*buf++ = '1';
		180	*buf++ = '.';
		181
		182	uint64_t seq = this->seq;
		183	const int bits = 64;
		184	char nz = 0;
		185	static const char tohex [] = "0123456789abcdef";
		186
		187	// assert (len >= 3 + bits / 4 + 1 + 1);
		188	for (int i = bits / 4; --i; )
		189	{
		190	uint8_t digit = seq >> (bits - 4);
		191
		192	*buf = tohex [digit];
		193	nz |= digit;
		194	buf += nz ? 1 : 0;
		195	seq <<= 4;
		196	}
		197
		198	// last digit is special - always emit
		199	uint8_t digit = seq >> (bits - 4);
		200	*buf++ = tohex [digit];
		201
		202	*buf++ = '>';
		203
		204	return buf;
		205	}
		206
		207	char *
		208	UUID::c_str () const
		209	{
		210	static char buf [MAX_LEN];
		211	*append (buf) = 0;
		212	return buf;
		213	}
		214
134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	215	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
135	static int	216	static bool
136	compare_ob_value_lists_one (const object *wants, const object *has)	217	compare_ob_value_lists_one (const object *wants, const object *has)
137	{	218	{
138	key_value *wants_field;
139
140	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	219	/* 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	220	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	221	* different structure or at least keep the lists sorted...
143	*/	222	*/
144		223
145	/* For each field in wants, */	224	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	225	for (key_value *kv = wants->key_values; kv; kv = kv->next)
147	{	226	if (has->kv_get (kv->key) != kv->value)
148	key_value *has_field;	227	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		228
169	/* If we get here, every field in wants has a matching field in has. */	229	/* If we get here, every field in wants has a matching field in has. */
170	return TRUE;	230	return true;
171	}	231	}
172		232
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	233	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static int	234	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	235	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	236	{
177	/* However, there may be fields in has which aren't partnered in wants,	237	/* However, there may be fields in has which aren't partnered in wants,
178	* so we need to run the comparison *twice*. :(	238	* so we need to run the comparison *twice*. :(
179	*/	239	*/
180	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	240	return compare_ob_value_lists_one (ob1, ob2)
		241	&& compare_ob_value_lists_one (ob2, ob1);
181	}	242	}
182		243
183	/* Function examines the 2 objects given to it, and returns true if	244	/* Function examines the 2 objects given to it, and returns true if
184	* they can be merged together.	245	* they can be merged together.
185	*	246	*
…		…
190	* Check nrof variable *before* calling can_merge()	251	* Check nrof variable *before* calling can_merge()
191	*	252	*
192	* Improvements made with merge: Better checking on potion, and also	253	* Improvements made with merge: Better checking on potion, and also
193	* check weight	254	* check weight
194	*/	255	*/
195
196	bool object::can_merge_slow (object *ob1, object *ob2)	256	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	257	{
198	/* A couple quicksanity checks */	258	/* A couple quick sanity checks */
199	if (ob1 == ob2	259	if (ob1 == ob2
200	|| ob1->type != ob2->type	260	|| ob1->type != ob2->type
201	|| ob1->speed != ob2->speed
202	|| ob1->value != ob2->value	261	|| ob1->value != ob2->value
203	|| ob1->name != ob2->name)	262	|| ob1->name != ob2->name
		263	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
204	return 0;	264	return 0;
205		265
206	//TODO: this ain't working well, use nicer and correct overflow check
207	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	266	/* Do not merge objects if nrof would overflow, assume nrof
208	* value could not be stored in a sint32 (which unfortunately sometimes is	267	* is always 0 .. 2**31-1 */
209	* used to store nrof).	268	if (ob1->nrof > 0x7fffffff - ob2->nrof)
210	*/
211	if (ob1->nrof + ob2->nrof >= 1UL << 31)
212	return 0;	269	return 0;
213		270
214	/* If the objects have been identified, set the BEEN_APPLIED flag.	271	/* If the objects have been identified, set the BEEN_APPLIED flag.
215	* This is to the comparison of the flags below will be OK. We	272	* This is to the comparison of the flags below will be OK. We
216	* just can't ignore the been applied or identified flags, as they	273	* just can't ignore the been applied or identified flags, as they
217	* are not equal - just if it has been identified, the been_applied	274	* are not equal - just if it has been identified, the been_applied
218	* flags lose any meaning.	275	* flags lose any meaning.
219	*/	276	*/
220	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	277	if (ob1->flag [FLAG_IDENTIFIED])
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	278	ob1->set_flag (FLAG_BEEN_APPLIED);
222		279
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	280	if (ob2->flag [FLAG_IDENTIFIED])
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	281	ob2->set_flag (FLAG_BEEN_APPLIED);
225		282
226	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	283	if (ob1->arch->archname != ob2->arch->archname
227	|| ob1->arch != ob2->arch
228	|| ob1->name != ob2->name	284	|| ob1->name != ob2->name
229	|| ob1->title != ob2->title	285	|| ob1->title != ob2->title
230	|| ob1->msg != ob2->msg	286	|| ob1->msg != ob2->msg
231	|| ob1->weight != ob2->weight	287	|| ob1->weight != ob2->weight
232	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
233	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
234	|| ob1->attacktype != ob2->attacktype	288	|| ob1->attacktype != ob2->attacktype
235	|| ob1->magic != ob2->magic	289	|| ob1->magic != ob2->magic
236	|| ob1->slaying != ob2->slaying	290	|| ob1->slaying != ob2->slaying
237	|| ob1->skill != ob2->skill	291	|| ob1->skill != ob2->skill
238	|| ob1->value != ob2->value	292	|| ob1->value != ob2->value
239	|| ob1->animation_id != ob2->animation_id	293	|| ob1->animation_id != ob2->animation_id
		294	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
240	|| ob1->client_type != ob2->client_type	295	|| ob1->client_type != ob2->client_type
241	|| ob1->materialname != ob2->materialname	296	|| ob1->material != ob2->material
242	|| ob1->lore != ob2->lore	297	|| ob1->lore != ob2->lore
243	|| ob1->subtype != ob2->subtype	298	|| ob1->subtype != ob2->subtype
244	|| ob1->move_type != ob2->move_type	299	|| ob1->move_type != ob2->move_type
245	|| ob1->move_block != ob2->move_block	300	|| ob1->move_block != ob2->move_block
246	|| ob1->move_allow != ob2->move_allow	301	|| ob1->move_allow != ob2->move_allow
247	|| ob1->move_on != ob2->move_on	302	|| ob1->move_on != ob2->move_on
248	|| ob1->move_off != ob2->move_off	303	|| ob1->move_off != ob2->move_off
249	|| ob1->move_slow != ob2->move_slow	304	|| ob1->move_slow != ob2->move_slow
250	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	305	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		306	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		307	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
251	return 0;	308	return 0;
252		309
		310	if ((ob1->flag ^ ob2->flag)
		311	.reset (FLAG_INV_LOCKED)
		312	.reset (FLAG_REMOVED)
		313	.any ())
		314	return 0;
		315
253	/* This is really a spellbook check - really, we should	316	/* This is really a spellbook check - we should in general
254	* check all objects in the inventory.	317	* not merge objects with real inventories, as splitting them
		318	* is hard.
255	*/	319	*/
256	if (ob1->inv || ob2->inv)	320	if (ob1->inv || ob2->inv)
257	{	321	{
258	/* if one object has inventory but the other doesn't, not equiv */	322	if (!(ob1->inv && ob2->inv))
259	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	323	return 0; /* inventories differ in length */
260	return 0;
261		324
262	/* Now check to see if the two inventory objects could merge */	325	if (ob1->inv->below || ob2->inv->below)
		326	return 0; /* more than one object in inv */
		327
263	if (!object::can_merge (ob1->inv, ob2->inv))	328	if (!object::can_merge (ob1->inv, ob2->inv))
264	return 0;	329	return 0; /* inventory objects differ */
265		330
266	/* inventory ok - still need to check rest of this object to see	331	/* inventory ok - still need to check rest of this object to see
267	* if it is valid.	332	* if it is valid.
268	*/	333	*/
269	}	334	}
270		335
271	/* Don't merge objects that are applied. With the new 'body' code,	336	/* Don't merge objects that are applied. With the new 'body' code,
272	* it is possible for most any character to have more than one of	337	* it is possible for most any character to have more than one of
273	* some items equipped, and we don't want those to merge.	338	* some items equipped, and we don't want those to merge.
274	*/	339	*/
275	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	340	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
276	return 0;	341	return 0;
277		342
278	/* Note sure why the following is the case - either the object has to	343	/* Note sure why the following is the case - either the object has to
279	* be animated or have a very low speed. Is this an attempted monster	344	* be animated or have a very low speed. Is this an attempted monster
280	* check?	345	* check?
281	*/	346	*/
282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	347	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
283	return 0;	348	return 0;
284		349
285	switch (ob1->type)	350	switch (ob1->type)
286	{	351	{
287	case SCROLL:	352	case SCROLL:
288	if (ob1->level != ob2->level)	353	if (ob1->level != ob2->level)
289	return 0;	354	return 0;
290	break;	355	break;
291	}	356	}
292		357
293	if (ob1->key_values != NULL || ob2->key_values != NULL)	358	if (ob1->key_values || ob2->key_values)
294	{	359	{
295	/* At least one of these has key_values. */	360	/* At least one of these has key_values. */
296	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	361	if ((!ob1->key_values) != (!ob2->key_values))
297	/* One has fields, but the other one doesn't. */	362	return 0; /* One has fields, but the other one doesn't. */
		363
		364	if (!compare_ob_value_lists (ob1, ob2))
298	return 0;	365	return 0;
299	else if (!compare_ob_value_lists (ob1, ob2))
300	return 0;
301	}	366	}
302		367
303	//TODO: generate an event or call into perl for additional checks
304	if (ob1->self || ob2->self)	368	if (ob1->self || ob2->self)
305	{	369	{
306	ob1->optimise ();	370	ob1->optimise ();
307	ob2->optimise ();	371	ob2->optimise ();
308		372
309	if (ob1->self || ob2->self)	373	if (ob1->self || ob2->self)
		374	{
		375	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		376	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		377
		378	if (k1 != k2)
310	return 0;	379	return 0;
		380
		381	if (k1 == 0)
		382	return 1;
		383
		384	if (!cfperl_can_merge (ob1, ob2))
		385	return 0;
		386	}
311	}	387	}
312		388
313	/* Everything passes, must be OK. */	389	/* Everything passes, must be OK. */
314	return 1;	390	return 1;
315	}	391	}
316		392
		393	// find player who can see this object
		394	object *
		395	object::visible_to () const
		396	{
		397	if (client_visible () && !flag [FLAG_REMOVED])
		398	{
		399	// see if we are in a container of sorts
		400	if (env)
		401	{
		402	// the player inventory itself is always visible
		403	if (env->is_player ())
		404	return env;
		405
		406	// else a player could have our env open
		407	object *envest = env->outer_env_or_self ();
		408
		409	// the player itself is always on a map, so we will find him here
		410	// even if our inv is in a player.
		411	if (envest->is_on_map ())
		412	if (object *pl = envest->ms ().player ())
		413	if (pl->container_ () == env)
		414	return pl;
		415	}
		416	else
		417	{
		418	// maybe there is a player standing on the same mapspace
		419	// this will catch the case where "this" is a player
		420	if (object *pl = ms ().player ())
		421	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		422	|| pl->container_ () == this)
		423	return pl;
		424	}
		425	}
		426
		427	return 0;
		428	}
		429
		430	// adjust weight per container type ("of holding")
		431	static sint32
		432	weight_adjust_for (object *op, sint32 weight)
		433	{
		434	return op->type == CONTAINER
		435	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		436	: weight;
		437	}
		438
317	/*	439	/*
		440	* adjust_weight(object, weight) adds the specified weight to an object,
		441	* and also updates how much the environment(s) is/are carrying.
		442	*/
		443	static void
		444	adjust_weight (object *op, sint32 weight)
		445	{
		446	while (op)
		447	{
		448	// adjust by actual difference to account for rounding errors
		449	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		450	weight = weight_adjust_for (op, op->carrying + weight)
		451	- weight_adjust_for (op, op->carrying);
		452
		453	if (!weight)
		454	return;
		455
		456	op->carrying += weight;
		457
		458	if (object *pl = op->visible_to ())
		459	if (pl != op) // player is handled lazily
		460	esrv_update_item (UPD_WEIGHT, pl, op);
		461
		462	op = op->env;
		463	}
		464	}
		465
		466	/*
318	* sum_weight() is a recursive function which calculates the weight	467	* this is a recursive function which calculates the weight
319	* an object is carrying. It goes through in figures out how much	468	* an object is carrying. It goes through op and figures out how much
320	* containers are carrying, and sums it up.	469	* containers are carrying, and sums it up.
321	*/	470	*/
322	long	471	void
323	sum_weight (object *op)	472	object::update_weight ()
324	{	473	{
325	long sum;	474	sint32 sum = 0;
326	object *inv;
327		475
328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	476	for (object *op = inv; op; op = op->below)
329	{	477	{
330	if (inv->inv)	478	if (op->inv)
331	sum_weight (inv);	479	op->update_weight ();
332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	480
		481	sum += op->total_weight ();
		482	}
		483
		484	sum = weight_adjust_for (this, sum);
		485
		486	if (sum != carrying)
333	}	487	{
334
335	if (op->type == CONTAINER && op->stats.Str)
336	sum = (sum * (100 - op->stats.Str)) / 100;
337
338	if (op->carrying != sum)	488	if (carrying != sum)//D
		489	LOG (llevDebug, "updating carrying got %ld, expected %ld (%s)\n",
		490	(long long)sum, (long long)carrying, debug_desc ());
		491
339	op->carrying = sum;	492	carrying = sum;
340		493
341	return sum;	494	if (object *pl = visible_to ())
		495	if (pl != this) // player is handled lazily
		496	esrv_update_item (UPD_WEIGHT, pl, this);
		497	}
342	}	498	}
343		499
344	/**	500	/*
345	* Return the outermost environment object for a given object.	501	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
346	*/	502	*/
347
348	object *
349	object_get_env_recursive (object *op)
350	{
351	while (op->env != NULL)
352	op = op->env;
353	return op;
354	}
355
356	/*
357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
358	* Some error messages.
359	* The result of the dump is stored in the static global errmsg array.
360	*/
361
362	char *	503	char *
363	dump_object (object *op)	504	dump_object (object *op)
364	{	505	{
365	if (!op)	506	if (!op)
366	return strdup ("[NULLOBJ]");	507	return strdup ("[NULLOBJ]");
367		508
368	object_freezer freezer;	509	object_freezer freezer;
369	save_object (freezer, op, 1);	510	op->write (freezer);
370	return freezer.as_string ();	511	return freezer.as_string ();
371	}	512	}
372		513
373	/*	514	char *
374	* get_nearest_part(multi-object, object 2) returns the part of the	515	object::as_string ()
375	* multi-object 1 which is closest to the second object.
376	* If it's not a multi-object, it is returned.
377	*/
378
379	object *
380	get_nearest_part (object *op, const object *pl)
381	{	516	{
382	object *tmp, *closest;	517	return dump_object (this);
383	int last_dist, i;
384
385	if (op->more == NULL)
386	return op;
387	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
388	if ((i = distance (tmp, pl)) < last_dist)
389	closest = tmp, last_dist = i;
390	return closest;
391	}	518	}
392		519
393	/*	520	/*
394	* Returns the object which has the count-variable equal to the argument.	521	* Returns the object which has the count-variable equal to the argument.
		522	* VERRRY slow.
395	*/	523	*/
396
397	object *	524	object *
398	find_object (tag_t i)	525	find_object (tag_t i)
399	{	526	{
400	for (object *op = object::first; op; op = op->next)	527	for_all_objects (op)
401	if (op->count == i)	528	if (op->count == i)
402	return op;	529	return op;
		530
		531	return 0;
		532	}
		533
		534	/*
		535	* Returns the object which has the uuid equal to the argument.
		536	* MOAR VERRRY slow.
		537	*/
		538
		539	object *
		540	find_object_uuid (UUID i)
		541	{
		542	for_all_objects (op)
		543	if (op->uuid == i)
		544	return op;
403		545
404	return 0;	546	return 0;
405	}	547	}
406		548
407	/*	549	/*
408	* Returns the first object which has a name equal to the argument.	550	* Returns the first object which has a name equal to the argument.
409	* Used only by the patch command, but not all that useful.	551	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	552	* Enables features like "patch <name-of-other-player> food 999"
411	*/	553	*/
412
413	object *	554	object *
414	find_object_name (const char *str)	555	find_object_name (const char *str)
415	{	556	{
416	shstr_cmp str_ (str);	557	shstr_cmp str_ (str);
417	object *op;
418		558
419	for (op = object::first; op != NULL; op = op->next)	559	if (str_)
		560	for_all_objects (op)
420	if (op->name == str_)	561	if (op->name == str_)
421	break;	562	return op;
422		563
423	return op;	564	return 0;
424	}
425
426	void
427	free_all_object_data ()
428	{
429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
430	}	565	}
431		566
432	/*	567	/*
433	* Sets the owner and sets the skill and exp pointers to owner's current	568	* Sets the owner and sets the skill and exp pointers to owner's current
434	* skill and experience objects.	569	* skill and experience objects.
		570	* ACTUALLY NO! investigate! TODO
435	*/	571	*/
436	void	572	void
437	object::set_owner (object *owner)	573	object::set_owner (object *owner)
438	{	574	{
		575	// allow objects which own objects
439	if (!owner)	576	if (owner)
440	return;
441
442	/* next line added to allow objects which own objects */
443	/* Add a check for ownercounts in here, as I got into an endless loop
444	* with the fireball owning a poison cloud which then owned the
445	* fireball. I believe that was caused by one of the objects getting
446	* freed and then another object replacing it. Since the ownercounts
447	* didn't match, this check is valid and I believe that cause is valid.
448	*/
449	while (owner->owner)	577	while (owner->owner)
450	owner = owner->owner;	578	owner = owner->owner;
		579
		580	if (flag [FLAG_FREED])
		581	{
		582	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		583	return;
		584	}
451		585
452	this->owner = owner;	586	this->owner = owner;
453	}	587	}
454		588
455	/* Zero the key_values on op, decrementing the shared-string	589	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	590	* refcounts and freeing the links.
457	*/	591	*/
458	static void	592	static void
459	free_key_values (object *op)	593	free_key_values (object *op)
460	{	594	{
461	for (key_value *i = op->key_values; i != 0;)	595	for (key_value *i = op->key_values; i; )
462	{	596	{
463	key_value *next = i->next;	597	key_value *next = i->next;
464	delete i;	598	delete i;
465		599
466	i = next;	600	i = next;
…		…
478	* will point at garbage.	612	* will point at garbage.
479	*/	613	*/
480	void	614	void
481	object::copy_to (object *dst)	615	object::copy_to (object *dst)
482	{	616	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	617	dst->remove ();
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
485
486	*(object_copy *)dst = *this;	618	*(object_copy *)dst = *this;
487		619	dst->flag [FLAG_REMOVED] = true;
488	if (is_freed)
489	SET_FLAG (dst, FLAG_FREED);
490
491	if (is_removed)
492	SET_FLAG (dst, FLAG_REMOVED);
493
494	if (speed < 0)
495	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
496		620
497	/* Copy over key_values, if any. */	621	/* Copy over key_values, if any. */
498	if (key_values)	622	if (key_values)
499	{	623	{
500	key_value *tail = 0;	624	key_value *tail = 0;
501	key_value *i;
502
503	dst->key_values = 0;	625	dst->key_values = 0;
504		626
505	for (i = key_values; i; i = i->next)	627	for (key_value *i = key_values; i; i = i->next)
506	{	628	{
507	key_value *new_link = new key_value;	629	key_value *new_link = new key_value;
508		630
509	new_link->next = 0;	631	new_link->next = 0;
510	new_link->key = i->key;	632	new_link->key = i->key;
511	new_link->value = i->value;	633	new_link->value = i->value;
512		634
513	/* Try and be clever here, too. */	635	/* Try and be clever here, too. */
514	if (!dst->key_values)	636	if (!dst->key_values)
515	{	637	{
…		…
522	tail = new_link;	644	tail = new_link;
523	}	645	}
524	}	646	}
525	}	647	}
526		648
527	dst->set_speed (dst->speed);	649	dst->activate ();
		650	}
		651
		652	void
		653	object::instantiate ()
		654	{
		655	if (!uuid.seq) // HACK
		656	uuid = UUID::gen ();
		657
		658	// TODO: unclean state changes, should nt be done in copy_to AND instantiate
		659	if (flag [FLAG_RANDOM_SPEED] && speed)
		660	speed_left = - speed - rndm (); // TODO animation
		661	else
		662	speed_left = -1.;
		663
		664	/* copy the body_info to the body_used - this is only really
		665	* need for monsters, but doesn't hurt to do it for everything.
		666	* by doing so, when a monster is created, it has good starting
		667	* values for the body_used info, so when items are created
		668	* for it, they can be properly equipped.
		669	*/
		670	for (int i = NUM_BODY_LOCATIONS; i--; )
		671	slot[i].used = slot[i].info;
		672
		673	attachable::instantiate ();
528	}	674	}
529		675
530	object *	676	object *
531	object::clone ()	677	object::clone ()
532	{	678	{
533	object *neu = create ();	679	object *neu = create ();
534	copy_to (neu);	680	copy_to (neu);
		681
		682	// TODO: unclean state changes, should not be done in clone AND instantiate
		683	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		684	neu->speed_left = - neu->speed - rndm (); // TODO animation
		685
		686	neu->map = map; // not copied by copy_to
535	return neu;	687	return neu;
536	}	688	}
537		689
538	/*	690	/*
539	* If an object with the IS_TURNABLE() flag needs to be turned due	691	* If an object with the IS_TURNABLE() flag needs to be turned due
540	* to the closest player being on the other side, this function can	692	* to the closest player being on the other side, this function can
541	* be called to update the face variable, _and_ how it looks on the map.	693	* be called to update the face variable, _and_ how it looks on the map.
542	*/	694	*/
543
544	void	695	void
545	update_turn_face (object *op)	696	update_turn_face (object *op)
546	{	697	{
547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	698	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
548	return;	699	return;
		700
549	SET_ANIMATION (op, op->direction);	701	SET_ANIMATION (op, op->direction);
550	update_object (op, UP_OBJ_FACE);	702	update_object (op, UP_OBJ_FACE);
551	}	703	}
552		704
553	/*	705	/*
…		…
556	* This function needs to be called whenever the speed of an object changes.	708	* This function needs to be called whenever the speed of an object changes.
557	*/	709	*/
558	void	710	void
559	object::set_speed (float speed)	711	object::set_speed (float speed)
560	{	712	{
561	extern int arch_init;
562
563	/* No reason putting the archetypes objects on the speed list,
564	* since they never really need to be updated.
565	*/
566	if (flag [FLAG_FREED] && speed)
567	{
568	LOG (llevError, "Object %s is freed but has speed.\n", &name);
569	speed = 0;
570	}
571
572	this->speed = speed;	713	this->speed = speed;
573		714
574	if (arch_init)	715	if (has_active_speed ())
575	return;	716	activate ();
576
577	if (FABS (speed) > MIN_ACTIVE_SPEED)
578	{
579	/* If already on active list, don't do anything */
580	if (active_next || active_prev || this == active_objects)
581	return;
582
583	/* process_events() expects us to insert the object at the beginning
584	* of the list. */
585	active_next = active_objects;
586
587	if (active_next)
588	active_next->active_prev = this;
589
590	active_objects = this;
591	}
592	else	717	else
593	{	718	deactivate ();
594	/* If not on the active list, nothing needs to be done */
595	if (!active_next && !active_prev && this != active_objects)
596	return;
597
598	if (!active_prev)
599	{
600	active_objects = active_next;
601
602	if (active_next)
603	active_next->active_prev = 0;
604	}
605	else
606	{
607	active_prev->active_next = active_next;
608
609	if (active_next)
610	active_next->active_prev = active_prev;
611	}
612
613	active_next = 0;
614	active_prev = 0;
615	}
616	}
617
618	/* This function removes object 'op' from the list of active
619	* objects.
620	* This should only be used for style maps or other such
621	* reference maps where you don't want an object that isn't
622	* in play chewing up cpu time getting processed.
623	* The reverse of this is to call update_ob_speed, which
624	* will do the right thing based on the speed of the object.
625	*/
626	void
627	remove_from_active_list (object *op)
628	{
629	/* If not on the active list, nothing needs to be done */
630	if (!op->active_next && !op->active_prev && op != active_objects)
631	return;
632
633	if (op->active_prev == NULL)
634	{
635	active_objects = op->active_next;
636	if (op->active_next != NULL)
637	op->active_next->active_prev = NULL;
638	}
639	else
640	{
641	op->active_prev->active_next = op->active_next;
642	if (op->active_next)
643	op->active_next->active_prev = op->active_prev;
644	}
645	op->active_next = NULL;
646	op->active_prev = NULL;
647	}	719	}
648		720
649	/*	721	/*
650	* update_object() updates the the map.	722	* update_object() updates the the map.
651	* It takes into account invisible objects (and represent squares covered	723	* It takes into account invisible objects (and represent squares covered
…		…
664	* UP_OBJ_FACE: only the objects face has changed.	736	* UP_OBJ_FACE: only the objects face has changed.
665	*/	737	*/
666	void	738	void
667	update_object (object *op, int action)	739	update_object (object *op, int action)
668	{	740	{
669	MoveType move_on, move_off, move_block, move_slow;	741	if (!op)
670
671	if (op == NULL)
672	{	742	{
673	/* this should never happen */	743	/* this should never happen */
674	LOG (llevDebug, "update_object() called for NULL object.\n");	744	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
675	return;	745	return;
676	}	746	}
677		747
678	if (op->env)	748	if (!op->is_on_map ())
679	{	749	{
680	/* Animation is currently handled by client, so nothing	750	/* Animation is currently handled by client, so nothing
681	* to do in this case.	751	* to do in this case.
682	*/	752	*/
683	return;	753	return;
684	}	754	}
685
686	/* If the map is saving, don't do anything as everything is
687	* going to get freed anyways.
688	*/
689	if (!op->map || op->map->in_memory == MAP_SAVING)
690	return;
691		755
692	/* make sure the object is within map boundaries */	756	/* make sure the object is within map boundaries */
693	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	757	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
694	{	758	{
695	LOG (llevError, "update_object() called for object out of map!\n");	759	LOG (llevError, "update_object() called for object out of map!\n");
…		…
699	return;	763	return;
700	}	764	}
701		765
702	mapspace &m = op->ms ();	766	mapspace &m = op->ms ();
703		767
704	if (m.flags_ & P_NEED_UPDATE)	768	if (!(m.flags_ & P_UPTODATE))
705	/* nop */;	769	/* nop */;
706	else if (action == UP_OBJ_INSERT)	770	else if (action == UP_OBJ_INSERT)
707	{	771	{
		772	#if 0
708	// this is likely overkill, TODO: revisit (schmorp)	773	// this is likely overkill, TODO: revisit (schmorp)
709	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	774	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
710	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	775	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
711	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	776	|| (op->is_player () && !(m.flags_ & P_PLAYER))
712	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	777	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
713	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	778	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
714	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	779	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
715	|| (m.move_on | op->move_on ) != m.move_on	780	|| (m.move_on | op->move_on ) != m.move_on
716	|| (m.move_off | op->move_off ) != m.move_off	781	|| (m.move_off | op->move_off ) != m.move_off
717	|| (m.move_slow | op->move_slow) != m.move_slow	782	|| (m.move_slow | op->move_slow) != m.move_slow
718	/* This isn't perfect, but I don't expect a lot of objects to	783	/* This isn't perfect, but I don't expect a lot of objects to
719	* to have move_allow right now.	784	* have move_allow right now.
720	*/	785	*/
721	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	786	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		787	m.invalidate ();
		788	#else
722	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	789	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
723	m.flags_ = P_NEED_UPDATE;	790	m.invalidate ();
		791	#endif
724	}	792	}
725	/* if the object is being removed, we can't make intelligent	793	/* if the object is being removed, we can't make intelligent
726	* decisions, because remove_ob can't really pass the object	794	* decisions, because remove_ob can't really pass the object
727	* that is being removed.	795	* that is being removed.
728	*/	796	*/
729	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	797	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
730	m.flags_ = P_NEED_UPDATE;	798	m.invalidate ();
731	else if (action == UP_OBJ_FACE)	799	else if (action == UP_OBJ_FACE)
732	/* Nothing to do for that case */ ;	800	/* Nothing to do for that case */ ;
733	else	801	else
734	LOG (llevError, "update_object called with invalid action: %d\n", action);	802	LOG (llevError, "update_object called with invalid action: %d\n", action);
735		803
736	if (op->more)	804	if (op->more)
737	update_object (op->more, action);	805	update_object (op->more, action);
738	}	806	}
739		807
740	object::vector object::objects; // not yet used
741	object *object::first;
742
743	object::object ()	808	object::object ()
744	{	809	{
745	SET_FLAG (this, FLAG_REMOVED);	810	this->set_flag (FLAG_REMOVED);
746		811
747	expmul = 1.0;	812	//expmul = 1.0; declared const for the time being
748	face = blank_face;	813	face = blank_face;
		814	material = MATERIAL_NULL;
749	}	815	}
750		816
751	object::~object ()	817	object::~object ()
752	{	818	{
		819	unlink ();
		820
753	free_key_values (this);	821	free_key_values (this);
754	}	822	}
755		823
756	void object::link ()	824	void object::link ()
757	{	825	{
758	count = ++ob_count;	826	assert (!index);//D
759	uuid = gen_uuid ();	827	uuid = UUID::gen ();
760		828
761	prev = 0;	829	refcnt_inc ();
762	next = object::first;	830	objects.insert (this);
763		831
764	if (object::first)	832	++create_count;
765	object::first->prev = this;
766		833
767	object::first = this;
768	}	834	}
769		835
770	void object::unlink ()	836	void object::unlink ()
771	{	837	{
772	if (this == object::first)	838	if (!index)
773	object::first = next;	839	return;
774		840
775	/* Remove this object from the list of used objects */	841	++destroy_count;
776	if (prev) prev->next = next;
777	if (next) next->prev = prev;
778		842
779	prev = 0;	843	objects.erase (this);
780	next = 0;	844	refcnt_dec ();
		845	}
		846
		847	void
		848	object::activate ()
		849	{
		850	/* If already on active list, don't do anything */
		851	if (active)
		852	return;
		853
		854	if (has_active_speed ())
		855	{
		856	if (flag [FLAG_FREED])
		857	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		858
		859	actives.insert (this);
		860	}
		861	}
		862
		863	void
		864	object::activate_recursive ()
		865	{
		866	activate ();
		867
		868	for (object *op = inv; op; op = op->below)
		869	op->activate_recursive ();
		870	}
		871
		872	/* This function removes object 'op' from the list of active
		873	* objects.
		874	* This should only be used for style maps or other such
		875	* reference maps where you don't want an object that isn't
		876	* in play chewing up cpu time getting processed.
		877	* The reverse of this is to call update_ob_speed, which
		878	* will do the right thing based on the speed of the object.
		879	*/
		880	void
		881	object::deactivate ()
		882	{
		883	/* If not on the active list, nothing needs to be done */
		884	if (!active)
		885	return;
		886
		887	actives.erase (this);
		888	}
		889
		890	void
		891	object::deactivate_recursive ()
		892	{
		893	for (object *op = inv; op; op = op->below)
		894	op->deactivate_recursive ();
		895
		896	deactivate ();
		897	}
		898
		899	void
		900	object::set_flag_inv (int flag, int value)
		901	{
		902	for (object *op = inv; op; op = op->below)
		903	{
		904	op->flag [flag] = value;
		905	op->set_flag_inv (flag, value);
		906	}
781	}	907	}
782		908
783	/*	909	/*
784	* Remove and free all objects in the inventory of the given object.	910	* Remove and free all objects in the inventory of the given object.
785	* object.c ?	911	* object.c ?
786	*/	912	*/
787	void	913	void
788	object::destroy_inv (bool drop_to_ground)	914	object::destroy_inv (bool drop_to_ground)
789	{	915	{
		916	// need to check first, because the checks below might segfault
		917	// as we might be on an invalid mapspace and crossfire code
		918	// is too buggy to ensure that the inventory is empty.
		919	// corollary: if you create arrows etc. with stuff in its inventory,
		920	// cf will crash below with off-map x and y
		921	if (!inv)
		922	return;
		923
790	/* Only if the space blocks everything do we not process -	924	/* Only if the space blocks everything do we not process -
791	* if some form of movement is allowed, let objects	925	* if some form of movement is allowed, let objects
792	* drop on that space.	926	* drop on that space.
793	*/	927	*/
794	if (!drop_to_ground || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)	928	if (!drop_to_ground
		929	|| !map
		930	|| map->in_memory != MAP_ACTIVE
		931	|| map->no_drop
		932	|| ms ().move_block == MOVE_ALL)
795	{	933	{
796	while (inv)	934	while (inv)
797	inv->destroy ();	935	inv->destroy ();
798	}	936	}
799	else	937	else
…		…
804		942
805	if (op->flag [FLAG_STARTEQUIP]	943	if (op->flag [FLAG_STARTEQUIP]
806	|| op->flag [FLAG_NO_DROP]	944	|| op->flag [FLAG_NO_DROP]
807	|| op->type == RUNE	945	|| op->type == RUNE
808	|| op->type == TRAP	946	|| op->type == TRAP
809	|| op->flag [FLAG_IS_A_TEMPLATE])	947	|| op->flag [FLAG_IS_A_TEMPLATE]
		948	|| op->flag [FLAG_DESTROY_ON_DEATH])
810	op->destroy ();	949	op->destroy ();
811	else	950	else
812	{	951	map->insert (op, x, y);
813	op->remove ();
814	op->x = x;
815	op->y = y;
816	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
817	}
818	}	952	}
819	}	953	}
820	}	954	}
821		955
		956	/*
		957	* Remove and free all objects in the inventory of the given object.
		958	* Unlike destroy_inv, this assumes the *this is destroyed as well
		959	* well, so we can (and have to!) take shortcuts.
		960	*/
		961	void
		962	object::destroy_inv_fast ()
		963	{
		964	while (object *op = inv)
		965	{
		966	// remove from object the fast way
		967	op->flag [FLAG_REMOVED] = true;
		968	op->env = 0;
		969	if ((inv = inv->below))
		970	inv->above = 0;
		971
		972	// then destroy
		973	op->destroy ();
		974	}
		975	}
		976
		977	void
		978	object::freelist_free (int count)
		979	{
		980	while (count-- && freelist)
		981	{
		982	freelist_item *next = freelist->next;
		983	// count is being "destroyed"
		984
		985	sfree ((char *)freelist, sizeof (object));
		986
		987	freelist = next;
		988	--free_count;
		989	}
		990	}
		991
		992	object *
822	object *object::create ()	993	object::create ()
823	{	994	{
824	object *op = new object;	995	object *op;
		996
		997	if (freelist)
		998	{
		999	freelist_item li = *freelist;
		1000	memset (freelist, 0, sizeof (object));
		1001
		1002	op = new (freelist) object;
		1003	op->count = li.count;
		1004
		1005	freelist = li.next;
		1006	--free_count;
		1007	}
		1008	else
		1009	{
		1010	void *ni = salloc0<char> (sizeof (object));
		1011
		1012	op = new(ni) object;
		1013
		1014	op->count = ++object_count;
		1015	}
		1016
825	op->link ();	1017	op->link ();
		1018
826	return op;	1019	return op;
827	}	1020	}
828		1021
829	void	1022	void
		1023	object::do_delete ()
		1024	{
		1025	uint32_t count = this->count;
		1026
		1027	this->~object ();
		1028
		1029	freelist_item *li = (freelist_item *)this;
		1030	li->next = freelist;
		1031	li->count = count;
		1032
		1033	freelist = li;
		1034	++free_count;
		1035	}
		1036
		1037	static struct freed_map : maptile
		1038	{
		1039	freed_map ()
		1040	: maptile (3, 3)
		1041	{
		1042	path = "<freed objects map>";
		1043	name = "/internal/freed_objects_map";
		1044	no_drop = 1;
		1045	no_reset = 1;
		1046
		1047	in_memory = MAP_ACTIVE;
		1048	}
		1049
		1050	~freed_map ()
		1051	{
		1052	destroy ();
		1053	}
		1054	} freed_map; // freed objects are moved here to avoid crashes
		1055
		1056	void
830	object::do_destroy ()	1057	object::do_destroy ()
831	{	1058	{
832	if (flag [FLAG_IS_LINKED])	1059	if (flag [FLAG_IS_LINKED])
833	remove_button_link (this);	1060	remove_link ();
834		1061
835	if (flag [FLAG_FRIENDLY])	1062	if (flag [FLAG_FRIENDLY])
836	remove_friendly_object (this);	1063	remove_friendly_object (this);
837		1064
838	if (!flag [FLAG_REMOVED])
839	remove ();	1065	remove ();
840		1066
841	if (flag [FLAG_FREED])	1067	attachable::do_destroy ();
842	return;	1068
		1069	deactivate ();
		1070	unlink ();
843		1071
844	flag [FLAG_FREED] = 1;	1072	flag [FLAG_FREED] = 1;
845		1073
846	attachable::do_destroy ();
847
848	destroy_inv (true);
849	set_speed (0);
850	unlink ();
851
852	// hack to ensure that freed objects still have a valid map	1074	// hack to ensure that freed objects still have a valid map
853	{
854	static maptile *freed_map; // freed objects are moved here to avoid crashes
855
856	if (!freed_map)
857	{
858	freed_map = new maptile;
859
860	freed_map->name = "/internal/freed_objects_map";
861	freed_map->width = 3;
862	freed_map->height = 3;
863
864	freed_map->allocate ();
865	}
866
867	map = freed_map;	1075	map = &freed_map;
868	x = 1;	1076	x = 1;
869	y = 1;	1077	y = 1;
870	}
871
872	head = 0;
873		1078
874	if (more)	1079	if (more)
875	{	1080	{
876	more->destroy ();	1081	more->destroy ();
877	more = 0;	1082	more = 0;
878	}	1083	}
879		1084
		1085	head = 0;
		1086
880	// clear those pointers that likely might have circular references to us	1087	// clear those pointers that likely might cause circular references
881	owner = 0;	1088	owner = 0;
882	enemy = 0;	1089	enemy = 0;
883	attacked_by = 0;	1090	attacked_by = 0;
884		1091	current_weapon = 0;
885	// only relevant for players(?), but make sure of it anyways
886	contr = 0;
887	}	1092	}
888		1093
889	void	1094	void
890	object::destroy (bool destroy_inventory)	1095	object::destroy ()
891	{	1096	{
892	if (destroyed ())	1097	if (destroyed ())
893	return;	1098	return;
894		1099
895	if (destroy_inventory)	1100	if (!is_head () && !head->destroyed ())
		1101	{
		1102	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1103	head->destroy ();
		1104	return;
		1105	}
		1106
896	destroy_inv (false);	1107	destroy_inv_fast ();
		1108
		1109	if (is_head ())
		1110	if (sound_destroy)
		1111	play_sound (sound_destroy);
		1112	else if (flag [FLAG_MONSTER])
		1113	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
897		1114
898	attachable::destroy ();	1115	attachable::destroy ();
899	}
900
901	/*
902	* sub_weight() recursively (outwards) subtracts a number from the
903	* weight of an object (and what is carried by it's environment(s)).
904	*/
905	void
906	sub_weight (object *op, signed long weight)
907	{
908	while (op != NULL)
909	{
910	if (op->type == CONTAINER)
911	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
912
913	op->carrying -= weight;
914	op = op->env;
915	}
916	}	1116	}
917		1117
918	/* op->remove ():	1118	/* op->remove ():
919	* This function removes the object op from the linked list of objects	1119	* This function removes the object op from the linked list of objects
920	* which it is currently tied to. When this function is done, the	1120	* which it is currently tied to. When this function is done, the
921	* object will have no environment. If the object previously had an	1121	* object will have no environment. If the object previously had an
922	* environment, the x and y coordinates will be updated to	1122	* environment, the x and y coordinates will be updated to
923	* the previous environment.	1123	* the previous environment.
924	* Beware: This function is called from the editor as well!
925	*/	1124	*/
926	void	1125	void
927	object::remove ()	1126	object::do_remove ()
928	{	1127	{
929	object *tmp, *last = 0;	1128	if (flag [FLAG_REMOVED])
930	object *otmp;
931
932	if (QUERY_FLAG (this, FLAG_REMOVED))
933	return;	1129	return;
934		1130
935	SET_FLAG (this, FLAG_REMOVED);
936	INVOKE_OBJECT (REMOVE, this);	1131	INVOKE_OBJECT (REMOVE, this);
		1132
		1133	flag [FLAG_REMOVED] = true;
937		1134
938	if (more)	1135	if (more)
939	more->remove ();	1136	more->remove ();
940		1137
941	/*	1138	/*
942	* In this case, the object to be removed is in someones	1139	* In this case, the object to be removed is in someones
943	* inventory.	1140	* inventory.
944	*/	1141	*/
945	if (env)	1142	if (env)
946	{	1143	{
947	if (nrof)	1144	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
948	sub_weight (env, weight * nrof);	1145	if (object *pl = visible_to ())
949	else	1146	esrv_del_item (pl->contr, count);
950	sub_weight (env, weight + carrying);	1147	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
951		1148
952	/* NO_FIX_PLAYER is set when a great many changes are being	1149	adjust_weight (env, -total_weight ());
953	* made to players inventory. If set, avoiding the call
954	* to save cpu time.
955	*/
956	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
957	otmp->update_stats ();
958		1150
959	if (above != NULL)	1151	object *pl = in_player ();
960	above->below = below;
961	else
962	env->inv = below;
963
964	if (below != NULL)
965	below->above = above;
966		1152
967	/* we set up values so that it could be inserted into	1153	/* we set up values so that it could be inserted into
968	* the map, but we don't actually do that - it is up	1154	* the map, but we don't actually do that - it is up
969	* to the caller to decide what we want to do.	1155	* to the caller to decide what we want to do.
970	*/	1156	*/
971	x = env->x, y = env->y;
972	map = env->map;	1157	map = env->map;
973	above = 0, below = 0;	1158	x = env->x;
974	env = 0;	1159	y = env->y;
975	}
976	else if (map)
977	{
978	/* Re did the following section of code - it looks like it had
979	* lots of logic for things we no longer care about
980	*/
981		1160
982	/* link the object above us */	1161	// make sure cmov optimisation is applicable
983	if (above)	1162	*(above ? &above->below : &env->inv) = below;
984	above->below = below;	1163	*(below ? &below->above : &above ) = above; // &above is just a dummy
985	else
986	map->at (x, y).top = below; /* we were top, set new top */
987
988	/* Relink the object below us, if there is one */
989	if (below)
990	below->above = above;
991	else
992	{
993	/* Nothing below, which means we need to relink map object for this space
994	* use translated coordinates in case some oddness with map tiling is
995	* evident
996	*/
997	if (GET_MAP_OB (map, x, y) != this)
998	{
999	char *dump = dump_object (this);
1000	LOG (llevError,
1001	"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);
1002	free (dump);
1003	dump = dump_object (GET_MAP_OB (map, x, y));
1004	LOG (llevError, "%s\n", dump);
1005	free (dump);
1006	}
1007
1008	map->at (x, y).bot = above; /* goes on above it. */
1009	}
1010		1164
1011	above = 0;	1165	above = 0;
1012	below = 0;	1166	below = 0;
		1167	env = 0;
		1168
		1169	if (pl && pl->is_player ())
		1170	{
		1171	if (expect_false (pl->contr->combat_ob == this))
		1172	{
		1173	pl->apply (pl->contr->combat_ob, AP_UNAPPLY);
		1174	pl->contr->combat_ob = 0;
		1175	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1176	}
		1177
		1178	if (expect_false (pl->contr->ranged_ob == this))
		1179	{
		1180	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY);
		1181	pl->contr->ranged_ob = 0;
		1182	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1183	}
		1184
		1185	pl->contr->queue_stats_update ();
		1186
		1187	if (expect_false (glow_radius) && pl->is_on_map ())
		1188	update_all_los (pl->map, pl->x, pl->y);
		1189	}
		1190	}
		1191	else if (map)
		1192	{
		1193	map->dirty = true;
		1194	mapspace &ms = this->ms ();
		1195
		1196	if (object *pl = ms.player ())
		1197	{
		1198	if (is_player ())
		1199	{
		1200	if (!flag [FLAG_WIZPASS])
		1201	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1202
		1203	// leaving a spot always closes any open container on the ground
		1204	if (container && !container->env)
		1205	// this causes spurious floorbox updates, but it ensures
		1206	// that the CLOSE event is being sent.
		1207	close_container ();
		1208
		1209	--map->players;
		1210	map->touch ();
		1211	}
		1212	else if (pl->container_ () == this)
		1213	{
		1214	// removing a container should close it
		1215	close_container ();
		1216	}
		1217	else
		1218	esrv_del_item (pl->contr, count);
		1219	}
		1220
		1221	/* link the object above us */
		1222	// re-link, make sure compiler can easily use cmove
		1223	*(above ? &above->below : &ms.top) = below;
		1224	*(below ? &below->above : &ms.bot) = above;
		1225
		1226	above = 0;
		1227	below = 0;
		1228
		1229	ms.invalidate ();
1013		1230
1014	if (map->in_memory == MAP_SAVING)	1231	if (map->in_memory == MAP_SAVING)
1015	return;	1232	return;
1016		1233
1017	int check_walk_off = !flag [FLAG_NO_APPLY];	1234	int check_walk_off = !flag [FLAG_NO_APPLY];
1018		1235
1019	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1236	if (object *pl = ms.player ())
1020	{	1237	{
1021	/* No point updating the players look faces if he is the object	1238	if (pl->container_ () == this)
1022	* being removed.
1023	*/
1024
1025	if (tmp->type == PLAYER && tmp != this)
1026	{
1027	/* If a container that the player is currently using somehow gets	1239	/* If a container that the player is currently using somehow gets
1028	* removed (most likely destroyed), update the player view	1240	* removed (most likely destroyed), update the player view
1029	* appropriately.	1241	* appropriately.
1030	*/	1242	*/
1031	if (tmp->container == this)	1243	pl->close_container ();
1032	{
1033	flag [FLAG_APPLIED] = 0;
1034	tmp->container = 0;
1035	}
1036		1244
		1245	//TODO: the floorbox prev/next might need updating
		1246	//esrv_del_item (pl->contr, count);
		1247	//TODO: update floorbox to preserve ordering
1037	if (tmp->contr->ns)	1248	if (pl->contr->ns)
1038	tmp->contr->ns->floorbox_update ();	1249	pl->contr->ns->floorbox_update ();
		1250	}
		1251
		1252	if (check_walk_off)
		1253	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1254	{
		1255	above = tmp->above;
		1256
		1257	/* No point updating the players look faces if he is the object
		1258	* being removed.
1039	}	1259	*/
1040		1260
1041	/* See if player moving off should effect something */	1261	/* See if object moving off should effect something */
1042	if (check_walk_off
1043	&& ((move_type & tmp->move_off)	1262	if ((move_type & tmp->move_off)
1044	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1263	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1045	{
1046	move_apply (tmp, this, 0);	1264	move_apply (tmp, this, 0);
1047
1048	if (destroyed ())
1049	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1050	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1051	}	1265	}
1052		1266
1053	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1267	if (affects_los ())
1054
1055	if (tmp->above == tmp)
1056	tmp->above = 0;
1057
1058	last = tmp;
1059	}
1060
1061	/* last == NULL of there are no objects on this space */
1062	if (!last)
1063	map->at (x, y).flags_ = P_NEED_UPDATE;
1064	else
1065	update_object (last, UP_OBJ_REMOVE);
1066
1067	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1068	update_all_los (map, x, y);	1268	update_all_los (map, x, y);
1069	}	1269	}
1070	}	1270	}
1071		1271
1072	/*	1272	/*
…		…
1081	merge_ob (object *op, object *top)	1281	merge_ob (object *op, object *top)
1082	{	1282	{
1083	if (!op->nrof)	1283	if (!op->nrof)
1084	return 0;	1284	return 0;
1085		1285
1086	if (top)	1286	if (!top)
1087	for (top = op; top && top->above; top = top->above)	1287	for (top = op; top && top->above; top = top->above)
1088	;	1288	;
1089		1289
1090	for (; top; top = top->below)	1290	for (; top; top = top->below)
1091	{
1092	if (top == op)
1093	continue;
1094
1095	if (object::can_merge (op, top))	1291	if (object::can_merge (op, top))
1096	{	1292	{
1097	top->nrof += op->nrof;	1293	top->nrof += op->nrof;
1098		1294
1099	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1295	if (object *pl = top->visible_to ())
1100	op->weight = 0; /* Don't want any adjustements now */	1296	esrv_update_item (UPD_NROF, pl, top);
		1297
		1298	op->weight = 0; // cancel the addition above
		1299	op->carrying = 0; // must be 0 already
		1300
1101	op->destroy ();	1301	op->destroy ();
		1302
1102	return top;	1303	return top;
1103	}	1304	}
1104	}
1105		1305
1106	return 0;	1306	return 0;
1107	}	1307	}
1108		1308
		1309	void
		1310	object::expand_tail ()
		1311	{
		1312	if (more)
		1313	return;
		1314
		1315	object *prev = this;
		1316
		1317	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1318	{
		1319	object *op = at->instance ();
		1320
		1321	op->name = name;
		1322	op->name_pl = name_pl;
		1323	op->title = title;
		1324
		1325	op->head = this;
		1326	prev->more = op;
		1327
		1328	prev = op;
		1329	}
		1330	}
		1331
1109	/*	1332	/*
1110	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1333	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1111	* job preparing multi-part monsters	1334	* job preparing multi-part monsters.
1112	*/	1335	*/
1113	object *	1336	object *
1114	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1337	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1115	{	1338	{
1116	object *tmp;	1339	op->remove ();
1117		1340
1118	if (op->head)
1119	op = op->head;
1120
1121	for (tmp = op; tmp; tmp = tmp->more)	1341	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1122	{	1342	{
1123	tmp->x = x + tmp->arch->clone.x;	1343	tmp->x = x + tmp->arch->x;
1124	tmp->y = y + tmp->arch->clone.y;	1344	tmp->y = y + tmp->arch->y;
1125	}	1345	}
1126		1346
1127	return insert_ob_in_map (op, m, originator, flag);	1347	return insert_ob_in_map (op, m, originator, flag);
1128	}	1348	}
1129		1349
…		…
1142	* Passing 0 for flag gives proper default values, so flag really only needs	1362	* Passing 0 for flag gives proper default values, so flag really only needs
1143	* to be set if special handling is needed.	1363	* to be set if special handling is needed.
1144	*	1364	*
1145	* Return value:	1365	* Return value:
1146	* new object if 'op' was merged with other object	1366	* new object if 'op' was merged with other object
1147	* NULL if 'op' was destroyed	1367	* NULL if there was an error (destroyed, blocked etc.)
1148	* just 'op' otherwise	1368	* just 'op' otherwise
1149	*/	1369	*/
1150	object *	1370	object *
1151	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1371	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1152	{	1372	{
1153	object *tmp, *top, *floor = NULL;	1373	op->remove ();
1154	sint16 x, y;
1155		1374
1156	if (QUERY_FLAG (op, FLAG_FREED))	1375	if (m == &freed_map)//D TODO: remove soon
1157	{	1376	{//D
1158	LOG (llevError, "Trying to insert freed object!\n");	1377	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1159	return NULL;
1160	}	1378	}//D
1161
1162	if (m == NULL)
1163	{
1164	char *dump = dump_object (op);
1165	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1166	free (dump);
1167	return op;
1168	}
1169
1170	if (out_of_map (m, op->x, op->y))
1171	{
1172	char *dump = dump_object (op);
1173	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1174	#ifdef MANY_CORES
1175	/* Better to catch this here, as otherwise the next use of this object
1176	* is likely to cause a crash. Better to find out where it is getting
1177	* improperly inserted.
1178	*/
1179	abort ();
1180	#endif
1181	free (dump);
1182	return op;
1183	}
1184
1185	if (!QUERY_FLAG (op, FLAG_REMOVED))
1186	{
1187	char *dump = dump_object (op);
1188	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1189	free (dump);
1190	return op;
1191	}
1192
1193	if (op->more)
1194	{
1195	/* The part may be on a different map. */
1196
1197	object *more = op->more;
1198
1199	/* We really need the caller to normalize coordinates - if
1200	* we set the map, that doesn't work if the location is within
1201	* a map and this is straddling an edge. So only if coordinate
1202	* is clear wrong do we normalize it.
1203	*/
1204	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1205	more->map = get_map_from_coord (m, &more->x, &more->y);
1206	else if (!more->map)
1207	{
1208	/* For backwards compatibility - when not dealing with tiled maps,
1209	* more->map should always point to the parent.
1210	*/
1211	more->map = m;
1212	}
1213
1214	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1215	{
1216	if (!op->head)
1217	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1218
1219	return 0;
1220	}
1221	}
1222
1223	CLEAR_FLAG (op, FLAG_REMOVED);
1224		1379
1225	/* Ideally, the caller figures this out. However, it complicates a lot	1380	/* Ideally, the caller figures this out. However, it complicates a lot
1226	* of areas of callers (eg, anything that uses find_free_spot would now	1381	* of areas of callers (eg, anything that uses find_free_spot would now
1227	* need extra work	1382	* need extra work
1228	*/	1383	*/
1229	op->map = get_map_from_coord (m, &op->x, &op->y);	1384	maptile *newmap = m;
1230	x = op->x;	1385	if (!xy_normalise (newmap, op->x, op->y))
1231	y = op->y;	1386	{
		1387	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
		1388	return 0;
		1389	}
		1390
		1391	if (object *more = op->more)
		1392	if (!insert_ob_in_map (more, m, originator, flag))
		1393	return 0;
		1394
		1395	op->flag [FLAG_REMOVED] = false;
		1396	op->env = 0;
		1397	op->map = newmap;
		1398
		1399	mapspace &ms = op->ms ();
1232		1400
1233	/* this has to be done after we translate the coordinates.	1401	/* this has to be done after we translate the coordinates.
1234	*/	1402	*/
1235	if (op->nrof && !(flag & INS_NO_MERGE))	1403	if (op->nrof && !(flag & INS_NO_MERGE))
1236	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1404	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1237	if (object::can_merge (op, tmp))	1405	if (object::can_merge (op, tmp))
1238	{	1406	{
		1407	// TODO: we actually want to update tmp, not op,
		1408	// but some caller surely breaks when we return tmp
		1409	// from here :/
1239	op->nrof += tmp->nrof;	1410	op->nrof += tmp->nrof;
1240	tmp->destroy ();	1411	tmp->destroy ();
1241	}	1412	}
1242		1413
1243	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1414	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1244	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1415	op->clr_flag (FLAG_INV_LOCKED);
1245		1416
1246	if (!QUERY_FLAG (op, FLAG_ALIVE))	1417	if (!op->flag [FLAG_ALIVE])
1247	CLEAR_FLAG (op, FLAG_NO_STEAL);	1418	op->clr_flag (FLAG_NO_STEAL);
1248		1419
1249	if (flag & INS_BELOW_ORIGINATOR)	1420	if (flag & INS_BELOW_ORIGINATOR)
1250	{	1421	{
1251	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1422	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1252	{	1423	{
1253	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1424	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1254	abort ();	1425	abort ();
1255	}	1426	}
1256		1427
		1428	if (!originator->is_on_map ())
		1429	{
		1430	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1431	op->debug_desc (), originator->debug_desc ());
		1432	abort ();
		1433	}
		1434
1257	op->above = originator;	1435	op->above = originator;
1258	op->below = originator->below;	1436	op->below = originator->below;
1259
1260	if (op->below)
1261	op->below->above = op;
1262	else
1263	op->ms ().bot = op;
1264
1265	/* since *below* originator, no need to update top */
1266	originator->below = op;	1437	originator->below = op;
		1438
		1439	*(op->below ? &op->below->above : &ms.bot) = op;
1267	}	1440	}
1268	else	1441	else
1269	{	1442	{
		1443	object *floor = 0;
		1444	object *top = ms.top;
		1445
1270	/* If there are other objects, then */	1446	/* If there are other objects, then */
1271	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1447	if (top)
1272	{	1448	{
1273	object *last = NULL;
1274
1275	/*	1449	/*
1276	* If there are multiple objects on this space, we do some trickier handling.	1450	* If there are multiple objects on this space, we do some trickier handling.
1277	* We've already dealt with merging if appropriate.	1451	* We've already dealt with merging if appropriate.
1278	* Generally, we want to put the new object on top. But if	1452	* Generally, we want to put the new object on top. But if
1279	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1453	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1282	* once we get to them. This reduces the need to traverse over all of	1456	* once we get to them. This reduces the need to traverse over all of
1283	* them when adding another one - this saves quite a bit of cpu time	1457	* them when adding another one - this saves quite a bit of cpu time
1284	* when lots of spells are cast in one area. Currently, it is presumed	1458	* when lots of spells are cast in one area. Currently, it is presumed
1285	* that flying non pickable objects are spell objects.	1459	* that flying non pickable objects are spell objects.
1286	*/	1460	*/
1287		1461	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1288	while (top != NULL)
1289	{	1462	{
1290	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1463	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1291	floor = top;	1464	floor = tmp;
1292		1465
1293	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1466	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1294	{	1467	{
1295	/* We insert above top, so we want this object below this */	1468	/* We insert above top, so we want this object below this */
1296	top = top->below;	1469	top = tmp->below;
1297	break;	1470	break;
1298	}	1471	}
1299		1472
1300	last = top;
1301	top = top->above;	1473	top = tmp;
1302	}	1474	}
1303
1304	/* Don't want top to be NULL, so set it to the last valid object */
1305	top = last;
1306		1475
1307	/* We let update_position deal with figuring out what the space	1476	/* We let update_position deal with figuring out what the space
1308	* looks like instead of lots of conditions here.	1477	* looks like instead of lots of conditions here.
1309	* makes things faster, and effectively the same result.	1478	* makes things faster, and effectively the same result.
1310	*/	1479	*/
1311		1480
1312	/* Have object 'fall below' other objects that block view.	1481	/* Have object 'fall below' other objects that block view.
1313	* Unless those objects are exits, type 66	1482	* Unless those objects are exits.
1314	* If INS_ON_TOP is used, don't do this processing	1483	* If INS_ON_TOP is used, don't do this processing
1315	* Need to find the object that in fact blocks view, otherwise	1484	* Need to find the object that in fact blocks view, otherwise
1316	* stacking is a bit odd.	1485	* stacking is a bit odd.
1317	*/	1486	*/
1318	if (!(flag & INS_ON_TOP) &&	1487	if (!(flag & INS_ON_TOP)
1319	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1488	&& ms.flags () & P_BLOCKSVIEW
		1489	&& (op->face && !faces [op->face].visibility))
1320	{	1490	{
		1491	object *last;
		1492
1321	for (last = top; last != floor; last = last->below)	1493	for (last = top; last != floor; last = last->below)
1322	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1494	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1323	break;	1495	break;
		1496
1324	/* Check to see if we found the object that blocks view,	1497	/* Check to see if we found the object that blocks view,
1325	* and make sure we have a below pointer for it so that	1498	* and make sure we have a below pointer for it so that
1326	* we can get inserted below this one, which requires we	1499	* we can get inserted below this one, which requires we
1327	* set top to the object below us.	1500	* set top to the object below us.
1328	*/	1501	*/
1329	if (last && last->below && last != floor)	1502	if (last && last->below && last != floor)
1330	top = last->below;	1503	top = last->below;
1331	}	1504	}
1332	} /* If objects on this space */	1505	} /* If objects on this space */
1333		1506
1334	if (flag & INS_MAP_LOAD)
1335	top = GET_MAP_TOP (op->map, op->x, op->y);
1336
1337	if (flag & INS_ABOVE_FLOOR_ONLY)	1507	if (flag & INS_ABOVE_FLOOR_ONLY)
1338	top = floor;	1508	top = floor;
1339		1509
1340	/* Top is the object that our object (op) is going to get inserted above.	1510	// insert object above top, or bottom-most if top = 0
1341	*/
1342
1343	/* First object on this space */
1344	if (!top)	1511	if (!top)
1345	{	1512	{
1346	op->above = GET_MAP_OB (op->map, op->x, op->y);
1347
1348	if (op->above)
1349	op->above->below = op;
1350
1351	op->below = NULL;	1513	op->below = 0;
		1514	op->above = ms.bot;
1352	op->ms ().bot = op;	1515	ms.bot = op;
		1516
		1517	*(op->above ? &op->above->below : &ms.top) = op;
1353	}	1518	}
1354	else	1519	else
1355	{ /* get inserted into the stack above top */	1520	{
1356	op->above = top->above;	1521	op->above = top->above;
1357
1358	if (op->above)
1359	op->above->below = op;	1522	top->above = op;
1360		1523
1361	op->below = top;	1524	op->below = top;
1362	top->above = op;	1525	*(op->above ? &op->above->below : &ms.top) = op;
1363	}	1526	}
		1527	}
1364		1528
1365	if (op->above == NULL)	1529	if (op->is_player ())
1366	op->ms ().top = op;	1530	{
1367	} /* else not INS_BELOW_ORIGINATOR */
1368
1369	if (op->type == PLAYER)
1370	op->contr->do_los = 1;	1531	op->contr->do_los = 1;
		1532	++op->map->players;
		1533	op->map->touch ();
		1534	}
1371		1535
1372	/* If we have a floor, we know the player, if any, will be above	1536	op->map->dirty = true;
1373	* it, so save a few ticks and start from there.	1537
1374	*/
1375	if (!(flag & INS_MAP_LOAD))
1376	if (object *pl = op->ms ().player ())	1538	if (object *pl = ms.player ())
		1539	//TODO: the floorbox prev/next might need updating
		1540	//esrv_send_item (pl, op);
		1541	//TODO: update floorbox to preserve ordering
1377	if (pl->contr->ns)	1542	if (pl->contr->ns)
1378	pl->contr->ns->floorbox_update ();	1543	pl->contr->ns->floorbox_update ();
1379		1544
1380	/* If this object glows, it may affect lighting conditions that are	1545	/* If this object glows, it may affect lighting conditions that are
1381	* visible to others on this map. But update_all_los is really	1546	* visible to others on this map. But update_all_los is really
1382	* an inefficient way to do this, as it means los for all players	1547	* an inefficient way to do this, as it means los for all players
1383	* on the map will get recalculated. The players could very well	1548	* on the map will get recalculated. The players could very well
1384	* be far away from this change and not affected in any way -	1549	* be far away from this change and not affected in any way -
1385	* this should get redone to only look for players within range,	1550	* this should get redone to only look for players within range,
1386	* or just updating the P_NEED_UPDATE for spaces within this area	1551	* or just updating the P_UPTODATE for spaces within this area
1387	* of effect may be sufficient.	1552	* of effect may be sufficient.
1388	*/	1553	*/
1389	if (op->map->darkness && (op->glow_radius != 0))	1554	if (op->affects_los ())
		1555	{
		1556	op->ms ().invalidate ();
1390	update_all_los (op->map, op->x, op->y);	1557	update_all_los (op->map, op->x, op->y);
		1558	}
1391		1559
1392	/* updates flags (blocked, alive, no magic, etc) for this map space */	1560	/* updates flags (blocked, alive, no magic, etc) for this map space */
1393	update_object (op, UP_OBJ_INSERT);	1561	update_object (op, UP_OBJ_INSERT);
1394		1562
1395	INVOKE_OBJECT (INSERT, op);	1563	INVOKE_OBJECT (INSERT, op);
…		…
1402	* blocked() and wall() work properly), and these flags are updated by	1570	* blocked() and wall() work properly), and these flags are updated by
1403	* update_object().	1571	* update_object().
1404	*/	1572	*/
1405		1573
1406	/* if this is not the head or flag has been passed, don't check walk on status */	1574	/* if this is not the head or flag has been passed, don't check walk on status */
1407	if (!(flag & INS_NO_WALK_ON) && !op->head)	1575	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1408	{	1576	{
1409	if (check_move_on (op, originator))	1577	if (check_move_on (op, originator, flag))
1410	return 0;	1578	return 0;
1411		1579
1412	/* If we are a multi part object, lets work our way through the check	1580	/* If we are a multi part object, let's work our way through the check
1413	* walk on's.	1581	* walk on's.
1414	*/	1582	*/
1415	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1583	for (object *tmp = op->more; tmp; tmp = tmp->more)
1416	if (check_move_on (tmp, originator))	1584	if (check_move_on (tmp, originator, flag))
1417	return 0;	1585	return 0;
1418	}	1586	}
1419		1587
1420	return op;	1588	return op;
1421	}	1589	}
…		…
1423	/* this function inserts an object in the map, but if it	1591	/* this function inserts an object in the map, but if it
1424	* finds an object of its own type, it'll remove that one first.	1592	* finds an object of its own type, it'll remove that one first.
1425	* op is the object to insert it under: supplies x and the map.	1593	* op is the object to insert it under: supplies x and the map.
1426	*/	1594	*/
1427	void	1595	void
1428	replace_insert_ob_in_map (const char *arch_string, object *op)	1596	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1429	{	1597	{
1430	object *tmp, *tmp1;
1431
1432	/* first search for itself and remove any old instances */	1598	/* first search for itself and remove any old instances */
1433		1599
1434	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1600	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1435	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1601	if (tmp->arch->archname == archname) /* same archetype */
1436	tmp->destroy ();	1602	tmp->destroy ();
1437		1603
1438	tmp1 = arch_to_object (archetype::find (arch_string));	1604	object *tmp = archetype::find (archname)->instance ();
1439		1605
1440	tmp1->x = op->x;	1606	tmp->x = op->x;
1441	tmp1->y = op->y;	1607	tmp->y = op->y;
		1608
1442	insert_ob_in_map (tmp1, op->map, op, 0);	1609	insert_ob_in_map (tmp, op->map, op, 0);
1443	}	1610	}
1444
1445	/*
1446	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1447	* is returned contains nr objects, and the remaining parts contains
1448	* the rest (or is removed and freed if that number is 0).
1449	* On failure, NULL is returned, and the reason put into the
1450	* global static errmsg array.
1451	*/
1452		1611
1453	object *	1612	object *
1454	get_split_ob (object *orig_ob, uint32 nr)	1613	object::insert_at (object *where, object *originator, int flags)
1455	{	1614	{
1456	object *newob;	1615	if (where->env)
1457	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1616	return where->env->insert (this);
1458		1617	else
1459	if (orig_ob->nrof < nr)	1618	return where->map->insert (this, where->x, where->y, originator, flags);
1460	{
1461	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1462	return NULL;
1463	}
1464
1465	newob = object_create_clone (orig_ob);
1466
1467	if ((orig_ob->nrof -= nr) < 1)
1468	orig_ob->destroy (1);
1469	else if (!is_removed)
1470	{
1471	if (orig_ob->env != NULL)
1472	sub_weight (orig_ob->env, orig_ob->weight * nr);
1473	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1474	{
1475	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1476	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1477	return NULL;
1478	}
1479	}
1480
1481	newob->nrof = nr;
1482
1483	return newob;
1484	}	1619	}
1485		1620
		1621	// check whether we can put this into the map, respect max_volume, max_items
		1622	bool
		1623	object::can_drop_at (maptile *m, int x, int y, object *originator)
		1624	{
		1625	mapspace &ms = m->at (x, y);
		1626
		1627	int items = ms.items ();
		1628
		1629	if (!items // testing !items ensures we can drop at least one item
		1630	|| (items < m->max_items
		1631	&& ms.volume () < m->max_volume))
		1632	return true;
		1633
		1634	if (originator && originator->is_player ())
		1635	originator->contr->failmsgf (
		1636	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
		1637	query_name ()
		1638	);
		1639
		1640	return false;
		1641	}
		1642
1486	/*	1643	/*
1487	* decrease_ob_nr(object, number) decreases a specified number from	1644	* decrease(object, number) decreases a specified number from
1488	* the amount of an object. If the amount reaches 0, the object	1645	* the amount of an object. If the amount reaches 0, the object
1489	* is subsequently removed and freed.	1646	* is subsequently removed and freed.
1490	*	1647	*
1491	* Return value: 'op' if something is left, NULL if the amount reached 0	1648	* Return value: 'op' if something is left, NULL if the amount reached 0
1492	*/	1649	*/
		1650	bool
		1651	object::decrease (sint32 nr)
		1652	{
		1653	if (!nr)
		1654	return true;
1493		1655
		1656	nr = min (nr, nrof);
		1657
		1658	if (nrof > nr)
		1659	{
		1660	nrof -= nr;
		1661	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1662
		1663	if (object *pl = visible_to ())
		1664	esrv_update_item (UPD_NROF, pl, this);
		1665
		1666	return true;
		1667	}
		1668	else
		1669	{
		1670	destroy ();
		1671	return false;
		1672	}
		1673	}
		1674
		1675	/*
		1676	* split(ob,nr) splits up ob into two parts. The part which
		1677	* is returned contains nr objects, and the remaining parts contains
		1678	* the rest (or is removed and returned if that number is 0).
		1679	* On failure, NULL is returned.
		1680	*/
1494	object *	1681	object *
1495	decrease_ob_nr (object *op, uint32 i)	1682	object::split (sint32 nr)
1496	{	1683	{
1497	object *tmp;	1684	int have = number_of ();
1498		1685
1499	if (i == 0) /* objects with op->nrof require this check */	1686	if (have < nr)
1500	return op;	1687	return 0;
1501		1688	else if (have == nr)
1502	if (i > op->nrof)
1503	i = op->nrof;
1504
1505	if (QUERY_FLAG (op, FLAG_REMOVED))
1506	op->nrof -= i;
1507	else if (op->env)
1508	{	1689	{
1509	/* is this object in the players inventory, or sub container
1510	* therein?
1511	*/
1512	tmp = op->in_player ();
1513	/* nope. Is this a container the player has opened?
1514	* If so, set tmp to that player.
1515	* IMO, searching through all the players will mostly
1516	* likely be quicker than following op->env to the map,
1517	* and then searching the map for a player.
1518	*/
1519	if (!tmp)
1520	for_all_players (pl)
1521	if (pl->ob->container == op->env)
1522	{
1523	tmp = pl->ob;
1524	break;
1525	}
1526
1527	if (i < op->nrof)
1528	{
1529	sub_weight (op->env, op->weight * i);
1530	op->nrof -= i;
1531	if (tmp)
1532	esrv_send_item (tmp, op);
1533	}
1534	else
1535	{
1536	op->remove ();	1690	remove ();
1537	op->nrof = 0;	1691	return this;
1538	if (tmp)
1539	esrv_del_item (tmp->contr, op->count);
1540	}
1541	}	1692	}
1542	else	1693	else
1543	{	1694	{
1544	object *above = op->above;	1695	decrease (nr);
1545		1696
1546	if (i < op->nrof)	1697	object *op = deep_clone ();
1547	op->nrof -= i;	1698	op->nrof = nr;
1548	else
1549	{
1550	op->remove ();
1551	op->nrof = 0;
1552	}
1553
1554	/* Since we just removed op, op->above is null */
1555	for (tmp = above; tmp; tmp = tmp->above)
1556	if (tmp->type == PLAYER)
1557	{
1558	if (op->nrof)
1559	esrv_send_item (tmp, op);
1560	else
1561	esrv_del_item (tmp->contr, op->count);
1562	}
1563	}
1564
1565	if (op->nrof)
1566	return op;	1699	return op;
1567	else
1568	{
1569	op->destroy ();
1570	return 0;
1571	}
1572	}
1573
1574	/*
1575	* add_weight(object, weight) adds the specified weight to an object,
1576	* and also updates how much the environment(s) is/are carrying.
1577	*/
1578
1579	void
1580	add_weight (object *op, signed long weight)
1581	{
1582	while (op != NULL)
1583	{
1584	if (op->type == CONTAINER)
1585	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1586
1587	op->carrying += weight;
1588	op = op->env;
1589	}	1700	}
1590	}	1701	}
1591		1702
1592	object *	1703	object *
1593	insert_ob_in_ob (object *op, object *where)	1704	insert_ob_in_ob (object *op, object *where)
…		…
1598	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1709	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1599	free (dump);	1710	free (dump);
1600	return op;	1711	return op;
1601	}	1712	}
1602		1713
1603	if (where->head)	1714	if (where->head_ () != where)
1604	{	1715	{
1605	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1716	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1606	where = where->head;	1717	where = where->head;
1607	}	1718	}
1608		1719
1609	return where->insert (op);	1720	return where->insert (op);
1610	}	1721	}
…		…
1615	* inside the object environment.	1726	* inside the object environment.
1616	*	1727	*
1617	* The function returns now pointer to inserted item, and return value can	1728	* The function returns now pointer to inserted item, and return value can
1618	* be != op, if items are merged. -Tero	1729	* be != op, if items are merged. -Tero
1619	*/	1730	*/
1620
1621	object *	1731	object *
1622	object::insert (object *op)	1732	object::insert (object *op)
1623	{	1733	{
1624	object *tmp, *otmp;
1625
1626	if (!QUERY_FLAG (op, FLAG_REMOVED))
1627	op->remove ();
1628
1629	if (op->more)	1734	if (op->more)
1630	{	1735	{
1631	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1736	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1632	return op;	1737	return op;
1633	}	1738	}
1634		1739
1635	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1740	op->remove ();
1636	CLEAR_FLAG (op, FLAG_REMOVED);	1741
		1742	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1743
1637	if (op->nrof)	1744	if (op->nrof)
1638	{
1639	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1745	for (object *tmp = inv; tmp; tmp = tmp->below)
1640	if (object::can_merge (tmp, op))	1746	if (object::can_merge (tmp, op))
1641	{	1747	{
1642	/* return the original object and remove inserted object	1748	/* return the original object and remove inserted object
1643	(client needs the original object) */	1749	(client needs the original object) */
1644	tmp->nrof += op->nrof;	1750	tmp->nrof += op->nrof;
1645	/* Weight handling gets pretty funky. Since we are adding to	1751
1646	* tmp->nrof, we need to increase the weight.	1752	if (object *pl = tmp->visible_to ())
1647	*/	1753	esrv_update_item (UPD_NROF, pl, tmp);
		1754
1648	add_weight (this, op->weight * op->nrof);	1755	adjust_weight (this, op->total_weight ());
1649	SET_FLAG (op, FLAG_REMOVED);	1756
1650	op->destroy (); /* free the inserted object */	1757	op->destroy ();
1651	op = tmp;	1758	op = tmp;
1652	op->remove (); /* and fix old object's links */	1759	goto inserted;
1653	CLEAR_FLAG (op, FLAG_REMOVED);
1654	break;
1655	}	1760	}
1656		1761
1657	/* I assume combined objects have no inventory	1762	op->owner = 0; // it's his/hers now. period.
1658	* We add the weight - this object could have just been removed
1659	* (if it was possible to merge). calling remove_ob will subtract
1660	* the weight, so we need to add it in again, since we actually do
1661	* the linking below
1662	*/
1663	add_weight (this, op->weight * op->nrof);
1664	}
1665	else
1666	add_weight (this, (op->weight + op->carrying));
1667
1668	otmp = this->in_player ();
1669	if (otmp && otmp->contr)
1670	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1671	otmp->update_stats ();
1672
1673	op->map = 0;	1763	op->map = 0;
1674	op->env = this;	1764	op->x = 0;
		1765	op->y = 0;
		1766
1675	op->above = 0;	1767	op->above = 0;
1676	op->below = 0;	1768	op->below = inv;
1677	op->x = 0, op->y = 0;	1769	op->env = this;
1678		1770
		1771	if (inv)
		1772	inv->above = op;
		1773
		1774	inv = op;
		1775
		1776	op->flag [FLAG_REMOVED] = 0;
		1777
		1778	if (object *pl = op->visible_to ())
		1779	esrv_send_item (pl, op);
		1780
		1781	adjust_weight (this, op->total_weight ());
		1782
		1783	inserted:
1679	/* reset the light list and los of the players on the map */	1784	/* reset the light list and los of the players on the map */
1680	if ((op->glow_radius != 0) && map)	1785	if (op->glow_radius && is_on_map ())
1681	{	1786	{
1682	#ifdef DEBUG_LIGHTS	1787	update_stats ();
1683	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1684	#endif /* DEBUG_LIGHTS */
1685	if (map->darkness)
1686	update_all_los (map, x, y);	1788	update_all_los (map, x, y);
1687	}
1688
1689	/* Client has no idea of ordering so lets not bother ordering it here.
1690	* It sure simplifies this function...
1691	*/
1692	if (!inv)
1693	inv = op;
1694	else
1695	{	1789	}
1696	op->below = inv;	1790	else if (is_player ())
1697	op->below->above = op;	1791	// if this is a player's inventory, update stats
1698	inv = op;	1792	contr->queue_stats_update ();
1699	}
1700		1793
1701	INVOKE_OBJECT (INSERT, this);	1794	INVOKE_OBJECT (INSERT, this);
1702		1795
1703	return op;	1796	return op;
1704	}	1797	}
…		…
1721	*	1814	*
1722	* MSW 2001-07-08: Check all objects on space, not just those below	1815	* MSW 2001-07-08: Check all objects on space, not just those below
1723	* object being inserted. insert_ob_in_map may not put new objects	1816	* object being inserted. insert_ob_in_map may not put new objects
1724	* on top.	1817	* on top.
1725	*/	1818	*/
1726
1727	int	1819	int
1728	check_move_on (object *op, object *originator)	1820	check_move_on (object *op, object *originator, int flags)
1729	{	1821	{
		1822	if (op->flag [FLAG_NO_APPLY])
		1823	return 0;
		1824
1730	object *tmp;	1825	object *tmp;
1731	maptile *m = op->map;	1826	maptile *m = op->map;
1732	int x = op->x, y = op->y;	1827	int x = op->x, y = op->y;
1733		1828
1734	MoveType move_on, move_slow, move_block;	1829	mapspace &ms = m->at (x, y);
1735		1830
1736	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1831	ms.update ();
1737	return 0;
1738		1832
1739	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1833	MoveType move_on = ms.move_on;
1740	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1834	MoveType move_slow = ms.move_slow;
1741	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1835	MoveType move_block = ms.move_block;
1742		1836
1743	/* if nothing on this space will slow op down or be applied,	1837	/* if nothing on this space will slow op down or be applied,
1744	* no need to do checking below. have to make sure move_type	1838	* no need to do checking below. have to make sure move_type
1745	* is set, as lots of objects don't have it set - we treat that	1839	* is set, as lots of objects don't have it set - we treat that
1746	* as walking.	1840	* as walking.
…		…
1757	return 0;	1851	return 0;
1758		1852
1759	/* The objects have to be checked from top to bottom.	1853	/* The objects have to be checked from top to bottom.
1760	* Hence, we first go to the top:	1854	* Hence, we first go to the top:
1761	*/	1855	*/
1762		1856	for (object *next, *tmp = ms.top; tmp; tmp = next)
1763	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)
1764	{
1765	/* Trim the search when we find the first other spell effect
1766	* this helps performance so that if a space has 50 spell objects,
1767	* we don't need to check all of them.
1768	*/
1769	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1770	break;
1771	}	1857	{
		1858	next = tmp->below;
1772		1859
1773	for (; tmp; tmp = tmp->below)
1774	{
1775	if (tmp == op)	1860	if (tmp == op)
1776	continue; /* Can't apply yourself */	1861	continue; /* Can't apply yourself */
1777		1862
1778	/* Check to see if one of the movement types should be slowed down.	1863	/* Check to see if one of the movement types should be slowed down.
1779	* Second check makes sure that the movement types not being slowed	1864	* Second check makes sure that the movement types not being slowed
1780	* (~slow_move) is not blocked on this space - just because the	1865	* (~slow_move) is not blocked on this space - just because the
1781	* space doesn't slow down swimming (for example), if you can't actually	1866	* space doesn't slow down swimming (for example), if you can't actually
1782	* swim on that space, can't use it to avoid the penalty.	1867	* swim on that space, can't use it to avoid the penalty.
1783	*/	1868	*/
1784	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1869	if (!op->flag [FLAG_WIZPASS])
1785	{	1870	{
1786	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1871	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1787	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1872	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1788	{	1873	{
1789
1790	float
1791	diff = tmp->move_slow_penalty * FABS (op->speed);	1874	float diff = tmp->move_slow_penalty * fabs (op->speed);
1792		1875
1793	if (op->type == PLAYER)	1876	if (op->is_player ())
1794	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1877	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1795	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1878	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1796	diff /= 4.0;	1879	diff /= 4.0;
1797		1880
1798	op->speed_left -= diff;	1881	op->speed_left -= diff;
1799	}	1882	}
1800	}	1883	}
1801		1884
1802	/* Basically same logic as above, except now for actual apply. */	1885	/* Basically same logic as above, except now for actual apply. */
1803	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1886	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1804	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1887	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1805	{	1888	{
		1889	if ((flags & INS_NO_AUTO_EXIT)
		1890	&& (tmp->type == EXIT || tmp->type == TELEPORTER
		1891	|| tmp->type == HOLE || tmp->type == TRAPDOOR)) //TODO: temporary, fix exits instead
		1892	continue;
		1893
1806	move_apply (tmp, op, originator);	1894	move_apply (tmp, op, originator);
1807		1895
1808	if (op->destroyed ())	1896	if (op->destroyed ())
1809	return 1;	1897	return 1;
1810		1898
…		…
1826	* The first matching object is returned, or NULL if none.	1914	* The first matching object is returned, or NULL if none.
1827	*/	1915	*/
1828	object *	1916	object *
1829	present_arch (const archetype *at, maptile *m, int x, int y)	1917	present_arch (const archetype *at, maptile *m, int x, int y)
1830	{	1918	{
1831	if (m == NULL || out_of_map (m, x, y))	1919	if (!m || out_of_map (m, x, y))
1832	{	1920	{
1833	LOG (llevError, "Present_arch called outside map.\n");	1921	LOG (llevError, "Present_arch called outside map.\n");
1834	return NULL;	1922	return NULL;
1835	}	1923	}
1836		1924
1837	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1925	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1838	if (tmp->arch == at)	1926	if (tmp->arch->archname == at->archname)
1839	return tmp;	1927	return tmp;
1840		1928
1841	return NULL;	1929	return NULL;
1842	}	1930	}
1843		1931
…		…
1853	{	1941	{
1854	LOG (llevError, "Present called outside map.\n");	1942	LOG (llevError, "Present called outside map.\n");
1855	return NULL;	1943	return NULL;
1856	}	1944	}
1857		1945
1858	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1946	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1859	if (tmp->type == type)	1947	if (tmp->type == type)
1860	return tmp;	1948	return tmp;
1861		1949
1862	return NULL;	1950	return NULL;
1863	}	1951	}
…		…
1907	* The first matching object is returned, or NULL if none.	1995	* The first matching object is returned, or NULL if none.
1908	*/	1996	*/
1909	object *	1997	object *
1910	present_arch_in_ob (const archetype *at, const object *op)	1998	present_arch_in_ob (const archetype *at, const object *op)
1911	{	1999	{
1912	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	2000	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1913	if (tmp->arch == at)	2001	if (tmp->arch->archname == at->archname)
1914	return tmp;	2002	return tmp;
1915		2003
1916	return NULL;	2004	return NULL;
1917	}	2005	}
1918		2006
…		…
1920	* activate recursively a flag on an object inventory	2008	* activate recursively a flag on an object inventory
1921	*/	2009	*/
1922	void	2010	void
1923	flag_inv (object *op, int flag)	2011	flag_inv (object *op, int flag)
1924	{	2012	{
1925	if (op->inv)
1926	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	2013	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1927	{	2014	{
1928	SET_FLAG (tmp, flag);	2015	tmp->set_flag (flag);
1929	flag_inv (tmp, flag);	2016	flag_inv (tmp, flag);
1930	}	2017	}
1931	}	2018	}
1932		2019
1933	/*	2020	/*
1934	* deactivate recursively a flag on an object inventory	2021	* deactivate recursively a flag on an object inventory
1935	*/	2022	*/
1936	void	2023	void
1937	unflag_inv (object *op, int flag)	2024	unflag_inv (object *op, int flag)
1938	{	2025	{
1939	if (op->inv)
1940	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	2026	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1941	{	2027	{
1942	CLEAR_FLAG (tmp, flag);	2028	tmp->clr_flag (flag);
1943	unflag_inv (tmp, flag);	2029	unflag_inv (tmp, flag);
1944	}	2030	}
1945	}
1946
1947	/*
1948	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1949	* all it's inventory (recursively).
1950	* If checksums are used, a player will get set_cheat called for
1951	* him/her-self and all object carried by a call to this function.
1952	*/
1953	void
1954	set_cheat (object *op)
1955	{
1956	SET_FLAG (op, FLAG_WAS_WIZ);
1957	flag_inv (op, FLAG_WAS_WIZ);
1958	}	2031	}
1959		2032
1960	/*	2033	/*
1961	* find_free_spot(object, map, x, y, start, stop) will search for	2034	* find_free_spot(object, map, x, y, start, stop) will search for
1962	* a spot at the given map and coordinates which will be able to contain	2035	* a spot at the given map and coordinates which will be able to contain
…		…
1964	* to search (see the freearr_x/y[] definition).	2037	* to search (see the freearr_x/y[] definition).
1965	* It returns a random choice among the alternatives found.	2038	* It returns a random choice among the alternatives found.
1966	* start and stop are where to start relative to the free_arr array (1,9	2039	* start and stop are where to start relative to the free_arr array (1,9
1967	* does all 4 immediate directions). This returns the index into the	2040	* does all 4 immediate directions). This returns the index into the
1968	* array of the free spot, -1 if no spot available (dir 0 = x,y)	2041	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1969	* Note - this only checks to see if there is space for the head of the
1970	* object - if it is a multispace object, this should be called for all
1971	* pieces.
1972	* Note2: This function does correctly handle tiled maps, but does not	2042	* Note: This function does correctly handle tiled maps, but does not
1973	* inform the caller. However, insert_ob_in_map will update as	2043	* inform the caller. However, insert_ob_in_map will update as
1974	* necessary, so the caller shouldn't need to do any special work.	2044	* necessary, so the caller shouldn't need to do any special work.
1975	* Note - updated to take an object instead of archetype - this is necessary	2045	* Note - updated to take an object instead of archetype - this is necessary
1976	* because arch_blocked (now ob_blocked) needs to know the movement type	2046	* because arch_blocked (now ob_blocked) needs to know the movement type
1977	* to know if the space in question will block the object. We can't use	2047	* to know if the space in question will block the object. We can't use
…		…
1979	* customized, changed states, etc.	2049	* customized, changed states, etc.
1980	*/	2050	*/
1981	int	2051	int
1982	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2052	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1983	{	2053	{
		2054	int altern[SIZEOFFREE];
1984	int index = 0, flag;	2055	int index = 0, flag;
1985	int altern[SIZEOFFREE];
1986		2056
1987	for (int i = start; i < stop; i++)	2057	for (int i = start; i < stop; i++)
1988	{	2058	{
1989	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2059	mapxy pos (m, x, y); pos.move (i);
1990	if (!flag)	2060
		2061	if (!pos.normalise ())
		2062	continue;
		2063
		2064	mapspace &ms = *pos;
		2065
		2066	if (ms.flags () & P_IS_ALIVE)
		2067	continue;
		2068
		2069	/* However, often
		2070	* ob doesn't have any move type (when used to place exits)
		2071	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2072	*/
		2073	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2074	{
1991	altern [index++] = i;	2075	altern [index++] = i;
		2076	continue;
		2077	}
1992		2078
1993	/* Basically, if we find a wall on a space, we cut down the search size.	2079	/* Basically, if we find a wall on a space, we cut down the search size.
1994	* In this way, we won't return spaces that are on another side of a wall.	2080	* In this way, we won't return spaces that are on another side of a wall.
1995	* This mostly work, but it cuts down the search size in all directions -	2081	* This mostly work, but it cuts down the search size in all directions -
1996	* if the space being examined only has a wall to the north and empty	2082	* if the space being examined only has a wall to the north and empty
1997	* spaces in all the other directions, this will reduce the search space	2083	* spaces in all the other directions, this will reduce the search space
1998	* to only the spaces immediately surrounding the target area, and	2084	* to only the spaces immediately surrounding the target area, and
1999	* won't look 2 spaces south of the target space.	2085	* won't look 2 spaces south of the target space.
2000	*/	2086	*/
2001	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2087	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2088	{
2002	stop = maxfree[i];	2089	stop = maxfree[i];
		2090	continue;
		2091	}
		2092
		2093	/* Note it is intentional that we check ob - the movement type of the
		2094	* head of the object should correspond for the entire object.
		2095	*/
		2096	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2097	continue;
		2098
		2099	if (ob->blocked (pos.m, pos.x, pos.y))
		2100	continue;
		2101
		2102	altern [index++] = i;
2003	}	2103	}
2004		2104
2005	if (!index)	2105	if (!index)
2006	return -1;	2106	return -1;
2007		2107
2008	return altern[RANDOM () % index];	2108	return altern [rndm (index)];
2009	}	2109	}
2010		2110
2011	/*	2111	/*
2012	* find_first_free_spot(archetype, maptile, x, y) works like	2112	* find_first_free_spot(archetype, maptile, x, y) works like
2013	* find_free_spot(), but it will search max number of squares.	2113	* find_free_spot(), but it will search max number of squares.
…		…
2016	*/	2116	*/
2017	int	2117	int
2018	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2118	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2019	{	2119	{
2020	for (int i = 0; i < SIZEOFFREE; i++)	2120	for (int i = 0; i < SIZEOFFREE; i++)
2021	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2121	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2022	return i;	2122	return i;
2023		2123
2024	return -1;	2124	return -1;
2025	}	2125	}
2026		2126
…		…
2034	{	2134	{
2035	arr += begin;	2135	arr += begin;
2036	end -= begin;	2136	end -= begin;
2037		2137
2038	while (--end)	2138	while (--end)
2039	swap (arr [end], arr [RANDOM () % (end + 1)]);	2139	swap (arr [end], arr [rndm (end + 1)]);
2040	}	2140	}
2041		2141
2042	/* new function to make monster searching more efficient, and effective!	2142	/* new function to make monster searching more efficient, and effective!
2043	* This basically returns a randomized array (in the passed pointer) of	2143	* This basically returns a randomized array (in the passed pointer) of
2044	* the spaces to find monsters. In this way, it won't always look for	2144	* the spaces to find monsters. In this way, it won't always look for
…		…
2072	* there is capable of.	2172	* there is capable of.
2073	*/	2173	*/
2074	int	2174	int
2075	find_dir (maptile *m, int x, int y, object *exclude)	2175	find_dir (maptile *m, int x, int y, object *exclude)
2076	{	2176	{
2077	int i, max = SIZEOFFREE, mflags;	2177	int max = SIZEOFFREE, mflags;
2078
2079	sint16 nx, ny;
2080	object *tmp;
2081	maptile *mp;
2082
2083	MoveType blocked, move_type;	2178	MoveType move_type;
2084		2179
2085	if (exclude && exclude->head)	2180	if (exclude && exclude->head_ () != exclude)
2086	{	2181	{
2087	exclude = exclude->head;	2182	exclude = exclude->head;
2088	move_type = exclude->move_type;	2183	move_type = exclude->move_type;
2089	}	2184	}
2090	else	2185	else
2091	{	2186	{
2092	/* If we don't have anything, presume it can use all movement types. */	2187	/* If we don't have anything, presume it can use all movement types. */
2093	move_type = MOVE_ALL;	2188	move_type = MOVE_ALL;
2094	}	2189	}
2095		2190
2096	for (i = 1; i < max; i++)	2191	for (int i = 1; i < max; i++)
2097	{	2192	{
2098	mp = m;	2193	mapxy pos (m, x, y);
2099	nx = x + freearr_x[i];	2194	pos.move (i);
2100	ny = y + freearr_y[i];
2101		2195
2102	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2196	if (!pos.normalise ())
2103
2104	if (mflags & P_OUT_OF_MAP)
2105	max = maxfree[i];	2197	max = maxfree[i];
2106	else	2198	else
2107	{	2199	{
2108	mapspace &ms = mp->at (nx, ny);	2200	mapspace &ms = *pos;
2109		2201
2110	blocked = ms.move_block;
2111
2112	if ((move_type & blocked) == move_type)	2202	if ((move_type & ms.move_block) == move_type)
2113	max = maxfree[i];	2203	max = maxfree [i];
2114	else if (mflags & P_IS_ALIVE)	2204	else if (ms.flags () & P_IS_ALIVE)
2115	{	2205	{
2116	for (tmp = ms.bot; tmp; tmp = tmp->above)	2206	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2117	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2207	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2118	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2208	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2119	break;
2120
2121	if (tmp)
2122	return freedir[i];	2209	return freedir [i];
2123	}	2210	}
2124	}	2211	}
2125	}	2212	}
2126		2213
2127	return 0;	2214	return 0;
…		…
2136	{	2223	{
2137	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2224	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2138	}	2225	}
2139		2226
2140	/*	2227	/*
2141	* find_dir_2(delta-x,delta-y) will return a direction in which	2228	* find_dir_2(delta-x,delta-y) will return a direction value
2142	* an object which has subtracted the x and y coordinates of another	2229	* for running into direct [dx, dy].
2143	* object, needs to travel toward it.	2230	* (the opposite of crossfire's find_dir_2!)
2144	*/	2231	*/
2145	int	2232	int
2146	find_dir_2 (int x, int y)	2233	find_dir_2 (int x, int y)
2147	{	2234	{
		2235	#if 1 // new algorithm
		2236	// this works by putting x, y into 16 sectors, which
		2237	// are not equal sized, but are a better approximation
		2238	// then the old algorithm, and then using a mapping
		2239	// table to map it into a direction value.
		2240	// basically, it maps these comparisons to each bit
		2241	// bit #3: x < 0
		2242	// bit #2: y < 0
		2243	// bit #1: x > y
		2244	// bit #0: x > 2y
		2245
		2246	static const uint8 dir[16] = {
		2247	4, 5, 4, 3,
		2248	2, 1, 2, 3,
		2249	6, 5, 6, 7,
		2250	8, 1, 8, 7,
		2251	};
		2252	int sector = 0;
		2253
		2254	// this is a bit ugly, but more likely to result in branchless code
		2255	sector |= x < 0 ? 8 : 0;
		2256	x = x < 0 ? -x : x; // abs
		2257
		2258	sector |= y < 0 ? 4 : 0;
		2259	y = y < 0 ? -y : y; // abs
		2260
		2261	if (x > y)
		2262	{
		2263	sector |= 2;
		2264
		2265	if (x > y * 2)
		2266	sector |= 1;
		2267	}
		2268	else
		2269	{
		2270	if (y > x * 2)
		2271	sector |= 1;
		2272	else if (!y)
		2273	return 0; // x == 0 here
		2274	}
		2275
		2276	return dir [sector];
		2277	#else // old algorithm
2148	int q;	2278	int q;
2149		2279
2150	if (y)	2280	if (y)
2151	q = x * 100 / y;	2281	q = 128 * x / y;
2152	else if (x)	2282	else if (x)
2153	q = -300 * x;	2283	q = -512 * x; // to make it > 309
2154	else	2284	else
2155	return 0;	2285	return 0;
2156		2286
2157	if (y > 0)	2287	if (y > 0)
2158	{	2288	{
2159	if (q < -242)	2289	if (q < -309) return 7;
		2290	if (q < -52) return 6;
		2291	if (q < 52) return 5;
		2292	if (q < 309) return 4;
		2293
2160	return 3;	2294	return 3;
2161	if (q < -41)	2295	}
2162	return 2;	2296	else
2163	if (q < 41)	2297	{
2164	return 1;	2298	if (q < -309) return 3;
2165	if (q < 242)	2299	if (q < -52) return 2;
2166	return 8;	2300	if (q < 52) return 1;
		2301	if (q < 309) return 8;
		2302
2167	return 7;	2303	return 7;
2168	}	2304	}
2169		2305	#endif
2170	if (q < -242)
2171	return 7;
2172	if (q < -41)
2173	return 6;
2174	if (q < 41)
2175	return 5;
2176	if (q < 242)
2177	return 4;
2178
2179	return 3;
2180	}
2181
2182	/*
2183	* absdir(int): Returns a number between 1 and 8, which represent
2184	* the "absolute" direction of a number (it actually takes care of
2185	* "overflow" in previous calculations of a direction).
2186	*/
2187
2188	int
2189	absdir (int d)
2190	{
2191	while (d < 1)
2192	d += 8;
2193
2194	while (d > 8)
2195	d -= 8;
2196
2197	return d;
2198	}	2306	}
2199		2307
2200	/*	2308	/*
2201	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2309	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2202	* between two directions (which are expected to be absolute (see absdir())	2310	* between two directions (which are expected to be absolute (see absdir())
2203	*/	2311	*/
2204
2205	int	2312	int
2206	dirdiff (int dir1, int dir2)	2313	dirdiff (int dir1, int dir2)
2207	{	2314	{
2208	int d;
2209
2210	d = abs (dir1 - dir2);	2315	int d = abs (dir1 - dir2);
2211	if (d > 4)
2212	d = 8 - d;
2213		2316
2214	return d;	2317	return d > 4 ? 8 - d : d;
2215	}	2318	}
2216		2319
2217	/* peterm:	2320	/* peterm:
2218	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2321	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2219	* Basically, this is a table of directions, and what directions	2322	* Basically, this is a table of directions, and what directions
…		…
2221	* This basically means that if direction is 15, then it could either go	2324	* This basically means that if direction is 15, then it could either go
2222	* direction 4, 14, or 16 to get back to where we are.	2325	* direction 4, 14, or 16 to get back to where we are.
2223	* Moved from spell_util.c to object.c with the other related direction	2326	* Moved from spell_util.c to object.c with the other related direction
2224	* functions.	2327	* functions.
2225	*/	2328	*/
2226	int reduction_dir[SIZEOFFREE][3] = {	2329	static const int reduction_dir[SIZEOFFREE][3] = {
2227	{0, 0, 0}, /* 0 */	2330	{0, 0, 0}, /* 0 */
2228	{0, 0, 0}, /* 1 */	2331	{0, 0, 0}, /* 1 */
2229	{0, 0, 0}, /* 2 */	2332	{0, 0, 0}, /* 2 */
2230	{0, 0, 0}, /* 3 */	2333	{0, 0, 0}, /* 3 */
2231	{0, 0, 0}, /* 4 */	2334	{0, 0, 0}, /* 4 */
…		…
2322	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2425	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2323	* core dumps if they do.	2426	* core dumps if they do.
2324	*	2427	*
2325	* Add a check so we can't pick up invisible objects (0.93.8)	2428	* Add a check so we can't pick up invisible objects (0.93.8)
2326	*/	2429	*/
2327
2328	int	2430	int
2329	can_pick (const object *who, const object *item)	2431	can_pick (const object *who, const object *item)
2330	{	2432	{
2331	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2433	return /*who->flag [FLAG_WIZ]|| */
2332	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2434	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2333	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2435	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2334	}	2436	}
2335		2437
2336	/*	2438	/*
2337	* create clone from object to another	2439	* create clone from object to another
2338	*/	2440	*/
2339	object *	2441	object *
2340	object_create_clone (object *asrc)	2442	object::deep_clone ()
2341	{	2443	{
2342	object *dst = 0, *tmp, *src, *part, *prev, *item;	2444	assert (("deep_clone called on non-head object", is_head ()));
2343		2445
2344	if (!asrc)	2446	object *dst = clone ();
2345	return 0;
2346		2447
2347	src = asrc;	2448	object *prev = dst;
2348	if (src->head)
2349	src = src->head;
2350
2351	prev = 0;
2352	for (part = src; part; part = part->more)	2449	for (object *part = this->more; part; part = part->more)
2353	{	2450	{
2354	tmp = part->clone ();	2451	object *tmp = part->clone ();
2355	tmp->x -= src->x;
2356	tmp->y -= src->y;
2357
2358	if (!part->head)
2359	{
2360	dst = tmp;
2361	tmp->head = 0;
2362	}
2363	else
2364	tmp->head = dst;	2452	tmp->head = dst;
2365
2366	tmp->more = 0;
2367
2368	if (prev)
2369	prev->more = tmp;	2453	prev->more = tmp;
2370
2371	prev = tmp;	2454	prev = tmp;
2372	}	2455	}
2373		2456
2374	for (item = src->inv; item; item = item->below)	2457	for (object *item = inv; item; item = item->below)
2375	insert_ob_in_ob (object_create_clone (item), dst);	2458	insert_ob_in_ob (item->deep_clone (), dst);
2376		2459
2377	return dst;	2460	return dst;
2378	}
2379
2380	/* GROS - Creates an object using a string representing its content. */
2381	/* Basically, we save the content of the string to a temp file, then call */
2382	/* load_object on it. I admit it is a highly inefficient way to make things, */
2383	/* but it was simple to make and allows reusing the load_object function. */
2384	/* Remember not to use load_object_str in a time-critical situation. */
2385	/* Also remember that multiparts objects are not supported for now. */
2386	object *
2387	load_object_str (const char *obstr)
2388	{
2389	object *op;
2390	char filename[MAX_BUF];
2391
2392	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2393
2394	FILE *tempfile = fopen (filename, "w");
2395
2396	if (tempfile == NULL)
2397	{
2398	LOG (llevError, "Error - Unable to access load object temp file\n");
2399	return NULL;
2400	}
2401
2402	fprintf (tempfile, obstr);
2403	fclose (tempfile);
2404
2405	op = object::create ();
2406
2407	object_thawer thawer (filename);
2408
2409	if (thawer)
2410	load_object (thawer, op, 0);
2411
2412	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2413	CLEAR_FLAG (op, FLAG_REMOVED);
2414
2415	return op;
2416	}	2461	}
2417		2462
2418	/* This returns the first object in who's inventory that	2463	/* This returns the first object in who's inventory that
2419	* has the same type and subtype match.	2464	* has the same type and subtype match.
2420	* returns NULL if no match.	2465	* returns NULL if no match.
…		…
2427	return tmp;	2472	return tmp;
2428		2473
2429	return 0;	2474	return 0;
2430	}	2475	}
2431		2476
2432	/* If ob has a field named key, return the link from the list,	2477	shstr_tmp
2433	* otherwise return NULL.	2478	object::kv_get (shstr_tmp key) const
2434	*
2435	* key must be a passed in shared string - otherwise, this won't
2436	* do the desired thing.
2437	*/
2438	key_value *
2439	get_ob_key_link (const object *ob, const char *key)
2440	{	2479	{
2441	for (key_value *link = ob->key_values; link; link = link->next)	2480	for (key_value *kv = key_values; kv; kv = kv->next)
2442	if (link->key == key)	2481	if (kv->key == key)
2443	return link;
2444
2445	return 0;
2446	}
2447
2448	/*
2449	* Returns the value of op has an extra_field for key, or NULL.
2450	*
2451	* The argument doesn't need to be a shared string.
2452	*
2453	* The returned string is shared.
2454	*/
2455	const char *
2456	get_ob_key_value (const object *op, const char *const key)
2457	{
2458	key_value *link;
2459	shstr_cmp canonical_key (key);
2460
2461	if (!canonical_key)
2462	{
2463	/* 1. There being a field named key on any object
2464	* implies there'd be a shared string to find.
2465	* 2. Since there isn't, no object has this field.
2466	* 3. Therefore, *this* object doesn't have this field.
2467	*/
2468	return 0;
2469	}
2470
2471	/* This is copied from get_ob_key_link() above -
2472	* only 4 lines, and saves the function call overhead.
2473	*/
2474	for (link = op->key_values; link; link = link->next)
2475	if (link->key == canonical_key)
2476	return link->value;	2482	return kv->value;
2477		2483
2478	return 0;	2484	return shstr ();
2479	}	2485	}
2480		2486
2481		2487	void
2482	/*	2488	object::kv_set (shstr_tmp key, shstr_tmp value)
2483	* Updates the canonical_key in op to value.
2484	*
2485	* canonical_key is a shared string (value doesn't have to be).
2486	*
2487	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2488	* keys.
2489	*
2490	* Returns TRUE on success.
2491	*/
2492	int
2493	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2494	{	2489	{
2495	key_value *field = NULL, *last = NULL;	2490	for (key_value *kv = key_values; kv; kv = kv->next)
2496		2491	if (kv->key == key)
2497	for (field = op->key_values; field != NULL; field = field->next)
2498	{
2499	if (field->key != canonical_key)
2500	{	2492	{
2501	last = field;	2493	kv->value = value;
2502	continue;	2494	return;
2503	}	2495	}
2504		2496
2505	if (value)	2497	key_value *kv = new key_value;
2506	field->value = value;	2498
2507	else	2499	kv->next = key_values;
		2500	kv->key = key;
		2501	kv->value = value;
		2502
		2503	key_values = kv;
		2504	}
		2505
		2506	void
		2507	object::kv_del (shstr_tmp key)
		2508	{
		2509	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2510	if ((*kvp)->key == key)
2508	{	2511	{
2509	/* Basically, if the archetype has this key set,	2512	key_value *kv = *kvp;
2510	* we need to store the null value so when we save	2513	*kvp = (*kvp)->next;
2511	* it, we save the empty value so that when we load,	2514	delete kv;
2512	* we get this value back again.	2515	return;
2513	*/
2514	if (get_ob_key_link (&op->arch->clone, canonical_key))
2515	field->value = 0;
2516	else
2517	{
2518	if (last)
2519	last->next = field->next;
2520	else
2521	op->key_values = field->next;
2522
2523	delete field;
2524	}
2525	}	2516	}
2526	return TRUE;
2527	}
2528	/* IF we get here, key doesn't exist */
2529
2530	/* No field, we'll have to add it. */
2531
2532	if (!add_key)
2533	return FALSE;
2534
2535	/* There isn't any good reason to store a null
2536	* value in the key/value list. If the archetype has
2537	* this key, then we should also have it, so shouldn't
2538	* be here. If user wants to store empty strings,
2539	* should pass in ""
2540	*/
2541	if (value == NULL)
2542	return TRUE;
2543
2544	field = new key_value;
2545
2546	field->key = canonical_key;
2547	field->value = value;
2548	/* Usual prepend-addition. */
2549	field->next = op->key_values;
2550	op->key_values = field;
2551
2552	return TRUE;
2553	}
2554
2555	/*
2556	* Updates the key in op to value.
2557	*
2558	* If add_key is FALSE, this will only update existing keys,
2559	* and not add new ones.
2560	* In general, should be little reason FALSE is ever passed in for add_key
2561	*
2562	* Returns TRUE on success.
2563	*/
2564	int
2565	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2566	{
2567	shstr key_ (key);
2568
2569	return set_ob_key_value_s (op, key_, value, add_key);
2570	}	2517	}
2571		2518
2572	object::depth_iterator::depth_iterator (object *container)	2519	object::depth_iterator::depth_iterator (object *container)
2573	: iterator_base (container)	2520	: iterator_base (container)
2574	{	2521	{
…		…
2588	}	2535	}
2589	else	2536	else
2590	item = item->env;	2537	item = item->env;
2591	}	2538	}
2592		2539
		2540	const char *
		2541	object::flag_desc (char *desc, int len) const
		2542	{
		2543	char *p = desc;
		2544	bool first = true;
		2545
		2546	*p = 0;
		2547
		2548	for (int i = 0; i < NUM_FLAGS; i++)
		2549	{
		2550	if (len <= 10) // magic constant!
		2551	{
		2552	snprintf (p, len, ",...");
		2553	break;
		2554	}
		2555
		2556	if (flag [i])
		2557	{
		2558	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2559	len -= cnt;
		2560	p += cnt;
		2561	first = false;
		2562	}
		2563	}
		2564
		2565	return desc;
		2566	}
		2567
2593	// return a suitable string describing an objetc in enough detail to find it	2568	// return a suitable string describing an object in enough detail to find it
2594	const char *	2569	const char *
2595	object::debug_desc (char *info) const	2570	object::debug_desc (char *info) const
2596	{	2571	{
		2572	char flagdesc[512];
2597	char info2[256 * 3];	2573	char info2[256 * 4];
2598	char *p = info;	2574	char *p = info;
2599		2575
2600	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2576	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2601	count,	2577	count,
		2578	uuid.c_str (),
2602	&name,	2579	&name,
2603	title ? " " : "",	2580	title ? ",title:\"" : "",
2604	title ? (const char *)title : "");	2581	title ? (const char *)title : "",
		2582	title ? "\"" : "",
		2583	flag_desc (flagdesc, 512), type);
2605		2584
2606	if (env)	2585	if (!flag[FLAG_REMOVED] && env)
2607	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2586	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2608		2587
2609	if (map)	2588	if (map)
2610	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2589	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2611		2590
2612	return info;	2591	return info;
2613	}	2592	}
2614		2593
2615	const char *	2594	const char *
2616	object::debug_desc () const	2595	object::debug_desc () const
2617	{	2596	{
2618	static char info[256 * 3];	2597	static char info[3][256 * 4];
		2598	static int info_idx;
		2599
2619	return debug_desc (info);	2600	return debug_desc (info [++info_idx % 3]);
2620	}	2601	}
2621		2602
		2603	struct region *
		2604	object::region () const
		2605	{
		2606	return map ? map->region (x, y)
		2607	: region::default_region ();
		2608	}
		2609
		2610	void
		2611	object::open_container (object *new_container)
		2612	{
		2613	if (container == new_container)
		2614	return;
		2615
		2616	object *old_container = container;
		2617
		2618	if (old_container)
		2619	{
		2620	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2621	return;
		2622
		2623	#if 0
		2624	// remove the "Close old_container" object.
		2625	if (object *closer = old_container->inv)
		2626	if (closer->type == CLOSE_CON)
		2627	closer->destroy ();
		2628	#endif
		2629
		2630	// make sure the container is available
		2631	esrv_send_item (this, old_container);
		2632
		2633	old_container->flag [FLAG_APPLIED] = false;
		2634	container = 0;
		2635
		2636	// client needs item update to make it work, client bug requires this to be separate
		2637	esrv_update_item (UPD_FLAGS, this, old_container);
		2638
		2639	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2640	play_sound (sound_find ("chest_close"));
		2641	}
		2642
		2643	if (new_container)
		2644	{
		2645	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2646	return;
		2647
		2648	// TODO: this does not seem to serve any purpose anymore?
		2649	#if 0
		2650	// insert the "Close Container" object.
		2651	if (archetype *closer = new_container->other_arch)
		2652	{
		2653	object *closer = new_container->other_arch->instance ();
		2654	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2655	new_container->insert (closer);
		2656	}
		2657	#endif
		2658
		2659	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2660
		2661	// make sure the container is available, client bug requires this to be separate
		2662	esrv_send_item (this, new_container);
		2663
		2664	new_container->flag [FLAG_APPLIED] = true;
		2665	container = new_container;
		2666
		2667	// client needs flag change
		2668	esrv_update_item (UPD_FLAGS, this, new_container);
		2669	esrv_send_inventory (this, new_container);
		2670	play_sound (sound_find ("chest_open"));
		2671	}
		2672	// else if (!old_container->env && contr && contr->ns)
		2673	// contr->ns->floorbox_reset ();
		2674	}
		2675
		2676	object *
		2677	object::force_find (shstr_tmp name)
		2678	{
		2679	/* cycle through his inventory to look for the MARK we want to
		2680	* place
		2681	*/
		2682	for (object *tmp = inv; tmp; tmp = tmp->below)
		2683	if (tmp->type == FORCE && tmp->slaying == name)
		2684	return splay (tmp);
		2685
		2686	return 0;
		2687	}
		2688
		2689	//-GPL
		2690
		2691	void
		2692	object::force_set_timer (int duration)
		2693	{
		2694	this->duration = 1;
		2695	this->speed_left = -1.f;
		2696
		2697	this->set_speed (duration ? 1.f / duration : 0.f);
		2698	}
		2699
		2700	object *
		2701	object::force_add (shstr_tmp name, int duration)
		2702	{
		2703	if (object *force = force_find (name))
		2704	force->destroy ();
		2705
		2706	object *force = get_archetype (FORCE_NAME);
		2707
		2708	force->slaying = name;
		2709	force->force_set_timer (duration);
		2710	force->flag [FLAG_APPLIED] = true;
		2711
		2712	return insert (force);
		2713	}
		2714
		2715	void
		2716	object::play_sound (faceidx sound) const
		2717	{
		2718	if (!sound)
		2719	return;
		2720
		2721	if (is_on_map ())
		2722	map->play_sound (sound, x, y);
		2723	else if (object *pl = in_player ())
		2724	pl->contr->play_sound (sound);
		2725	}
		2726
		2727	void
		2728	object::say_msg (const char *msg) const
		2729	{
		2730	if (is_on_map ())
		2731	map->say_msg (msg, x, y);
		2732	else if (object *pl = in_player ())
		2733	pl->contr->play_sound (sound);
		2734	}
		2735
		2736	void
		2737	object::make_noise ()
		2738	{
		2739	// we do not model noise in the map, so instead put
		2740	// a temporary light into the noise source
		2741	// could use the map instead, but that's less reliable for our
		2742	// goal, which is to make invisibility a bit harder to exploit
		2743
		2744	// currently only works sensibly for players
		2745	if (!is_player ())
		2746	return;
		2747
		2748	// find old force, or create new one
		2749	object *force = force_find (shstr_noise_force);
		2750
		2751	if (force)
		2752	force->speed_left = -1.f; // patch old speed up
		2753	else
		2754	{
		2755	force = archetype::get (shstr_noise_force);
		2756
		2757	force->slaying = shstr_noise_force;
		2758	force->stats.food = 1;
		2759	force->speed_left = -1.f;
		2760
		2761	force->set_speed (1.f / 4.f);
		2762	force->flag [FLAG_IS_USED_UP] = true;
		2763	force->flag [FLAG_APPLIED] = true;
		2764
		2765	insert (force);
		2766	}
		2767	}
		2768
		2769	void object::change_move_type (MoveType mt)
		2770	{
		2771	if (move_type == mt)
		2772	return;
		2773
		2774	if (is_on_map ())
		2775	{
		2776	// we are on the map, so handle move_on/off effects
		2777	remove ();
		2778	move_type = mt;
		2779	map->insert (this, x, y, this);
		2780	}
		2781	else
		2782	move_type = mt;
		2783	}
		2784
		2785	/* object should be a player.
		2786	* we return the object the player has marked with the 'mark' command
		2787	* below. If no match is found (or object has changed), we return
		2788	* NULL. We leave it up to the calling function to print messages if
		2789	* nothing is found.
		2790	*/
		2791	object *
		2792	object::mark () const
		2793	{
		2794	if (contr && contr->mark && contr->mark->env == this)
		2795	return contr->mark;
		2796	else
		2797	return 0;
		2798	}
		2799

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