ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/common/object.C (file contents):
Revision 1.86 by root, Tue Dec 26 08:17:58 2006 UTC vs.
Revision 1.296 by root, Fri Nov 6 13:31:47 2009 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify 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>	31	#include <loader.h>
34		32
35	#include <bitset>	33	#include <bitset>
36		34
37	int nrofallocobjects = 0;	35	UUID UUID::cur;
38	static UUID uuid;	36	static uint64_t seq_next_save;
39	const uint64 UUID_SKIP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
		38	uint32_t mapspace::smellcount = 10000;
40		39
41	object *active_objects; /* List of active objects that need to be processed */	40	objectvec objects;
		41	activevec actives;
42		42
43	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	43	//+GPL
		44
		45	short freearr_x[SIZEOFFREE] = {
		46	0,
		47	0, 1, 1, 1, 0, -1, -1, -1,
		48	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	49	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	};	50	};
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,	51	short freearr_y[SIZEOFFREE] = {
		52	0,
		53	-1, -1, 0, 1, 1, 1, 0, -1,
		54	-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	55	-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	};	56	};
52	int freedir[SIZEOFFREE] = {	57	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,	58	0,
		59	1, 2, 3, 4, 5, 6, 7, 8,
		60	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	61	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	};	62	};
56		63
		64	static int maxfree[SIZEOFFREE] = {
		65	0,
		66	9, 10, 13, 14, 17, 18, 21, 22,
		67	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		68	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		69	};
		70
57	static void	71	static void
58	write_uuid (void)	72	write_uuid (uval64 skip, bool sync)
59	{	73	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	74	CALL_BEGIN (2);
61		75	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	76	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	77	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		78	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	}	79	}
77		80
78	static void	81	static void
79	read_uuid (void)	82	read_uuid (void)
80	{	83	{
81	char filename[MAX_BUF];	84	char filename[MAX_BUF];
82		85
83	sprintf (filename, "%s/uuid", settings.localdir);	86	sprintf (filename, "%s/uuid", settings.localdir);
		87
		88	seq_next_save = 0;
84		89
85	FILE *fp;	90	FILE *fp;
86		91
87	if (!(fp = fopen (filename, "r")))	92	if (!(fp = fopen (filename, "r")))
88	{	93	{
89	if (errno == ENOENT)	94	if (errno == ENOENT)
90	{	95	{
91	LOG (llevInfo, "RESET uid to 1\n");	96	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	97	UUID::cur.seq = 0;
93	write_uuid ();	98	write_uuid (UUID_GAP, true);
94	return;	99	return;
95	}	100	}
96		101
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	102	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	103	_exit (1);
99	}	104	}
100		105
101	int version;	106	UUID::BUF buf;
102	unsigned long long uid;	107	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	108	fgets (buf, sizeof (buf), fp);
		109
		110	if (!UUID::cur.parse (buf))
104	{	111	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	112	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	113	_exit (1);
107	}	114	}
108		115
109	uuid.seq = uid;	116	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	117
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	118	write_uuid (UUID_GAP, true);
112	fclose (fp);	119	fclose (fp);
113	}	120	}
114		121
115	UUID	122	UUID
116	gen_uuid ()	123	UUID::gen ()
117	{	124	{
118	UUID uid;	125	UUID uid;
119		126
120	uid.seq = ++uuid.seq;	127	uid.seq = ++cur.seq;
121		128
122	if (!(uuid.seq & (UUID_SKIP - 1)))	129	if (expect_false (cur.seq >= seq_next_save))
123	write_uuid ();	130	{
		131	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		132	write_uuid (UUID_GAP, false);
		133	}
		134
124		135
125	return uid;	136	return uid;
126	}	137	}
127		138
128	void	139	void
129	init_uuid ()	140	UUID::init ()
130	{	141	{
131	read_uuid ();	142	read_uuid ();
132	}	143	}
133		144
134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	145	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
135	static int	146	static bool
136	compare_ob_value_lists_one (const object *wants, const object *has)	147	compare_ob_value_lists_one (const object *wants, const object *has)
137	{	148	{
138	key_value *wants_field;
139
140	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	149	/* 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	150	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	151	* different structure or at least keep the lists sorted...
143	*/	152	*/
144		153
145	/* For each field in wants, */	154	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	155	for (key_value *kv = wants->key_values; kv; kv = kv->next)
147	{	156	if (has->kv_get (kv->key) != kv->value)
148	key_value *has_field;	157	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		158
169	/* If we get here, every field in wants has a matching field in has. */	159	/* If we get here, every field in wants has a matching field in has. */
170	return TRUE;	160	return true;
171	}	161	}
172		162
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	163	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static int	164	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	165	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	166	{
177	/* However, there may be fields in has which aren't partnered in wants,	167	/* However, there may be fields in has which aren't partnered in wants,
178	* so we need to run the comparison *twice*. :(	168	* so we need to run the comparison *twice*. :(
179	*/	169	*/
180	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	170	return compare_ob_value_lists_one (ob1, ob2)
		171	&& compare_ob_value_lists_one (ob2, ob1);
181	}	172	}
182		173
183	/* Function examines the 2 objects given to it, and returns true if	174	/* Function examines the 2 objects given to it, and returns true if
184	* they can be merged together.	175	* they can be merged together.
185	*	176	*
…		…
190	* Check nrof variable *before* calling can_merge()	181	* Check nrof variable *before* calling can_merge()
191	*	182	*
192	* Improvements made with merge: Better checking on potion, and also	183	* Improvements made with merge: Better checking on potion, and also
193	* check weight	184	* check weight
194	*/	185	*/
195
196	bool object::can_merge_slow (object *ob1, object *ob2)	186	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	187	{
198	/* A couple quicksanity checks */	188	/* A couple quicksanity checks */
199	if (ob1 == ob2	189	if (ob1 == ob2
200	|| ob1->type != ob2->type	190	|| ob1->type != ob2->type
201	|| ob1->speed != ob2->speed	191	|| ob1->speed != ob2->speed
202	|| ob1->value != ob2->value	192	|| ob1->value != ob2->value
203	|| ob1->name != ob2->name)	193	|| ob1->name != ob2->name)
204	return 0;	194	return 0;
205		195
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	196	/* Do not merge objects if nrof would overflow, assume nrof
208	* value could not be stored in a sint32 (which unfortunately sometimes is	197	* is always 0 .. 2**31-1 */
209	* used to store nrof).	198	if (ob1->nrof > 0x7fffffff - ob2->nrof)
210	*/
211	if (ob1->nrof + ob2->nrof >= 1UL << 31)
212	return 0;	199	return 0;
213		200
214	/* If the objects have been identified, set the BEEN_APPLIED flag.	201	/* 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	202	* 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	203	* 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	204	* are not equal - just if it has been identified, the been_applied
218	* flags lose any meaning.	205	* flags lose any meaning.
219	*/	206	*/
220	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	207	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	208	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
222		209
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	210	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	211	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
225		212
226	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	213	if (ob1->arch->archname != ob2->arch->archname
227	|| ob1->arch != ob2->arch
228	|| ob1->name != ob2->name	214	|| ob1->name != ob2->name
229	|| ob1->title != ob2->title	215	|| ob1->title != ob2->title
230	|| ob1->msg != ob2->msg	216	|| ob1->msg != ob2->msg
231	|| ob1->weight != ob2->weight	217	|| 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	218	|| ob1->attacktype != ob2->attacktype
235	|| ob1->magic != ob2->magic	219	|| ob1->magic != ob2->magic
236	|| ob1->slaying != ob2->slaying	220	|| ob1->slaying != ob2->slaying
237	|| ob1->skill != ob2->skill	221	|| ob1->skill != ob2->skill
238	|| ob1->value != ob2->value	222	|| ob1->value != ob2->value
239	|| ob1->animation_id != ob2->animation_id	223	|| ob1->animation_id != ob2->animation_id
		224	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
240	|| ob1->client_type != ob2->client_type	225	|| ob1->client_type != ob2->client_type
241	|| ob1->materialname != ob2->materialname	226	|| ob1->materialname != ob2->materialname
242	|| ob1->lore != ob2->lore	227	|| ob1->lore != ob2->lore
243	|| ob1->subtype != ob2->subtype	228	|| ob1->subtype != ob2->subtype
244	|| ob1->move_type != ob2->move_type	229	|| ob1->move_type != ob2->move_type
245	|| ob1->move_block != ob2->move_block	230	|| ob1->move_block != ob2->move_block
246	|| ob1->move_allow != ob2->move_allow	231	|| ob1->move_allow != ob2->move_allow
247	|| ob1->move_on != ob2->move_on	232	|| ob1->move_on != ob2->move_on
248	|| ob1->move_off != ob2->move_off	233	|| ob1->move_off != ob2->move_off
249	|| ob1->move_slow != ob2->move_slow	234	|| ob1->move_slow != ob2->move_slow
250	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	235	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		236	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		237	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
251	return 0;	238	return 0;
252		239
		240	if ((ob1->flag ^ ob2->flag)
		241	.reset (FLAG_INV_LOCKED)
		242	.reset (FLAG_REMOVED)
		243	.any ())
		244	return 0;
		245
253	/* This is really a spellbook check - really, we should	246	/* This is really a spellbook check - we should in general
254	* check all objects in the inventory.	247	* not merge objects with real inventories, as splitting them
		248	* is hard.
255	*/	249	*/
256	if (ob1->inv || ob2->inv)	250	if (ob1->inv || ob2->inv)
257	{	251	{
258	/* if one object has inventory but the other doesn't, not equiv */	252	if (!(ob1->inv && ob2->inv))
259	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	253	return 0; /* inventories differ in length */
260	return 0;
261		254
262	/* Now check to see if the two inventory objects could merge */	255	if (ob1->inv->below || ob2->inv->below)
		256	return 0; /* more than one object in inv */
		257
263	if (!object::can_merge (ob1->inv, ob2->inv))	258	if (!object::can_merge (ob1->inv, ob2->inv))
264	return 0;	259	return 0; /* inventory objects differ */
265		260
266	/* inventory ok - still need to check rest of this object to see	261	/* inventory ok - still need to check rest of this object to see
267	* if it is valid.	262	* if it is valid.
268	*/	263	*/
269	}	264	}
…		…
277		272
278	/* Note sure why the following is the case - either the object has to	273	/* 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	274	* be animated or have a very low speed. Is this an attempted monster
280	* check?	275	* check?
281	*/	276	*/
282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	277	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
283	return 0;	278	return 0;
284		279
285	switch (ob1->type)	280	switch (ob1->type)
286	{	281	{
287	case SCROLL:	282	case SCROLL:
288	if (ob1->level != ob2->level)	283	if (ob1->level != ob2->level)
289	return 0;	284	return 0;
290	break;	285	break;
291	}	286	}
292		287
293	if (ob1->key_values != NULL || ob2->key_values != NULL)	288	if (ob1->key_values || ob2->key_values)
294	{	289	{
295	/* At least one of these has key_values. */	290	/* At least one of these has key_values. */
296	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	291	if ((!ob1->key_values) != (!ob2->key_values))
297	/* One has fields, but the other one doesn't. */	292	return 0; /* One has fields, but the other one doesn't. */
		293
		294	if (!compare_ob_value_lists (ob1, ob2))
298	return 0;	295	return 0;
299	else if (!compare_ob_value_lists (ob1, ob2))
300	return 0;
301	}	296	}
302		297
303	//TODO: generate an event or call into perl for additional checks
304	if (ob1->self || ob2->self)	298	if (ob1->self || ob2->self)
305	{	299	{
306	ob1->optimise ();	300	ob1->optimise ();
307	ob2->optimise ();	301	ob2->optimise ();
308		302
309	if (ob1->self || ob2->self)	303	if (ob1->self || ob2->self)
		304	{
		305	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		306	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		307
		308	if (k1 != k2)
310	return 0;	309	return 0;
		310
		311	if (k1 == 0)
		312	return 1;
		313
		314	if (!cfperl_can_merge (ob1, ob2))
		315	return 0;
		316	}
311	}	317	}
312		318
313	/* Everything passes, must be OK. */	319	/* Everything passes, must be OK. */
314	return 1;	320	return 1;
315	}	321	}
316		322
		323	// find player who can see this object
		324	object *
		325	object::visible_to () const
		326	{
		327	if (client_visible () && !flag [FLAG_REMOVED])
		328	{
		329	// see if we are in a container of sorts
		330	if (env)
		331	{
		332	// the player inventory itself is always visible
		333	if (env->is_player ())
		334	return env;
		335
		336	// else a player could have our env open
		337	object *envest = env->outer_env_or_self ();
		338
		339	// the player itself is always on a map, so we will find him here
		340	// even if our inv is in a player.
		341	if (envest->is_on_map ())
		342	if (object *pl = envest->ms ().player ())
		343	if (pl->container_ () == env)
		344	return pl;
		345	}
		346	else
		347	{
		348	// maybe there is a player standing on the same mapspace
		349	// this will catch the case where "this" is a player
		350	if (object *pl = ms ().player ())
		351	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		352	|| pl->container_ () == this)
		353	return pl;
		354	}
		355	}
		356
		357	return 0;
		358	}
		359
		360	// adjust weight per container type ("of holding")
		361	static sint32
		362	weight_adjust_for (object *op, sint32 weight)
		363	{
		364	return op->type == CONTAINER
		365	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		366	: weight;
		367	}
		368
317	/*	369	/*
		370	* adjust_weight(object, weight) adds the specified weight to an object,
		371	* and also updates how much the environment(s) is/are carrying.
		372	*/
		373	static void
		374	adjust_weight (object *op, sint32 weight)
		375	{
		376	while (op)
		377	{
		378	// adjust by actual difference to account for rounding errors
		379	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		380	weight = weight_adjust_for (op, op->carrying)
		381	- weight_adjust_for (op, op->carrying - weight);
		382
		383	if (!weight)
		384	return;
		385
		386	op->carrying += weight;
		387
		388	if (object *pl = op->visible_to ())
		389	if (pl != op) // player is handled lazily
		390	esrv_update_item (UPD_WEIGHT, pl, op);
		391
		392	op = op->env;
		393	}
		394	}
		395
		396	/*
318	* sum_weight() is a recursive function which calculates the weight	397	* this is a recursive function which calculates the weight
319	* an object is carrying. It goes through in figures out how much	398	* an object is carrying. It goes through op and figures out how much
320	* containers are carrying, and sums it up.	399	* containers are carrying, and sums it up.
321	*/	400	*/
322	long	401	void
323	sum_weight (object *op)	402	object::update_weight ()
324	{	403	{
325	long sum;	404	sint32 sum = 0;
326	object *inv;
327		405
328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	406	for (object *op = inv; op; op = op->below)
329	{	407	{
330	if (inv->inv)	408	if (op->inv)
331	sum_weight (inv);	409	op->update_weight ();
332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	410
		411	sum += op->total_weight ();
		412	}
		413
		414	sum = weight_adjust_for (this, sum);
		415
		416	if (sum != carrying)
333	}	417	{
334
335	if (op->type == CONTAINER && op->stats.Str)
336	sum = (sum * (100 - op->stats.Str)) / 100;
337
338	if (op->carrying != sum)
339	op->carrying = sum;	418	carrying = sum;
340		419
341	return sum;	420	if (object *pl = visible_to ())
		421	if (pl != this) // player is handled lazily
		422	esrv_update_item (UPD_WEIGHT, pl, this);
		423	}
342	}	424	}
343		425
344	/**	426	/*
345	* Return the outermost environment object for a given object.	427	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
346	*/	428	*/
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 *	429	char *
363	dump_object (object *op)	430	dump_object (object *op)
364	{	431	{
365	if (!op)	432	if (!op)
366	return strdup ("[NULLOBJ]");	433	return strdup ("[NULLOBJ]");
367		434
368	object_freezer freezer;	435	object_freezer freezer;
369	save_object (freezer, op, 1);	436	op->write (freezer);
370	return freezer.as_string ();	437	return freezer.as_string ();
371	}	438	}
372		439
373	/*	440	char *
374	* get_nearest_part(multi-object, object 2) returns the part of the	441	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	{	442	{
382	object *tmp, *closest;	443	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	}	444	}
392		445
393	/*	446	/*
394	* Returns the object which has the count-variable equal to the argument.	447	* Returns the object which has the count-variable equal to the argument.
		448	* VERRRY slow.
395	*/	449	*/
396
397	object *	450	object *
398	find_object (tag_t i)	451	find_object (tag_t i)
399	{	452	{
400	for (object *op = object::first; op; op = op->next)	453	for_all_objects (op)
401	if (op->count == i)	454	if (op->count == i)
402	return op;	455	return op;
403		456
404	return 0;	457	return 0;
405	}	458	}
406		459
407	/*	460	/*
408	* Returns the first object which has a name equal to the argument.	461	* Returns the first object which has a name equal to the argument.
409	* Used only by the patch command, but not all that useful.	462	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	463	* Enables features like "patch <name-of-other-player> food 999"
411	*/	464	*/
412
413	object *	465	object *
414	find_object_name (const char *str)	466	find_object_name (const char *str)
415	{	467	{
416	shstr_cmp str_ (str);	468	shstr_cmp str_ (str);
417	object *op;
418		469
419	for (op = object::first; op != NULL; op = op->next)	470	if (str_)
		471	for_all_objects (op)
420	if (op->name == str_)	472	if (op->name == str_)
421	break;	473	return op;
422		474
423	return op;	475	return 0;
424	}
425
426	void
427	free_all_object_data ()
428	{
429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
430	}	476	}
431		477
432	/*	478	/*
433	* Sets the owner and sets the skill and exp pointers to owner's current	479	* Sets the owner and sets the skill and exp pointers to owner's current
434	* skill and experience objects.	480	* skill and experience objects.
		481	* ACTUALLY NO! investigate! TODO
435	*/	482	*/
436	void	483	void
437	object::set_owner (object *owner)	484	object::set_owner (object *owner)
438	{	485	{
		486	// allow objects which own objects
439	if (!owner)	487	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)	488	while (owner->owner)
450	owner = owner->owner;	489	owner = owner->owner;
		490
		491	if (flag [FLAG_FREED])
		492	{
		493	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		494	return;
		495	}
451		496
452	this->owner = owner;	497	this->owner = owner;
		498	}
		499
		500	int
		501	object::slottype () const
		502	{
		503	if (type == SKILL)
		504	{
		505	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		506	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		507	}
		508	else
		509	{
		510	if (slot [body_combat].info) return slot_combat;
		511	if (slot [body_range ].info) return slot_ranged;
		512	}
		513
		514	return slot_none;
		515	}
		516
		517	bool
		518	object::change_weapon (object *ob)
		519	{
		520	if (current_weapon == ob)
		521	return true;
		522
		523	if (chosen_skill)
		524	chosen_skill->flag [FLAG_APPLIED] = false;
		525
		526	current_weapon = ob;
		527	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		528
		529	if (chosen_skill)
		530	chosen_skill->flag [FLAG_APPLIED] = true;
		531
		532	update_stats ();
		533
		534	if (ob)
		535	{
		536	// now check wether any body locations became invalid, in which case
		537	// we cannot apply the weapon at the moment.
		538	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		539	if (slot[i].used < 0)
		540	{
		541	current_weapon = chosen_skill = 0;
		542	update_stats ();
		543
		544	new_draw_info_format (NDI_UNIQUE, 0, this,
		545	"You try to balance all your items at once, "
		546	"but the %s is just too much for your body. "
		547	"[You need to unapply some items first - use the 'body' command to see "
		548	"how many items you cna wera on a specific body part.]", &ob->name);
		549	return false;
		550	}
		551
		552	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		553	}
		554	else
		555	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		556
		557	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		558	{
		559	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		560	&name, ob->debug_desc ());
		561	return false;
		562	}
		563
		564	return true;
453	}	565	}
454		566
455	/* Zero the key_values on op, decrementing the shared-string	567	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	568	* refcounts and freeing the links.
457	*/	569	*/
458	static void	570	static void
459	free_key_values (object *op)	571	free_key_values (object *op)
460	{	572	{
461	for (key_value *i = op->key_values; i != 0;)	573	for (key_value *i = op->key_values; i; )
462	{	574	{
463	key_value *next = i->next;	575	key_value *next = i->next;
464	delete i;	576	delete i;
465		577
466	i = next;	578	i = next;
…		…
478	* will point at garbage.	590	* will point at garbage.
479	*/	591	*/
480	void	592	void
481	object::copy_to (object *dst)	593	object::copy_to (object *dst)
482	{	594	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	595	dst->remove ();
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
485
486	*(object_copy *)dst = *this;	596	*(object_copy *)dst = *this;
487		597	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		598
497	/* Copy over key_values, if any. */	599	/* Copy over key_values, if any. */
498	if (key_values)	600	if (key_values)
499	{	601	{
500	key_value *tail = 0;	602	key_value *tail = 0;
501	key_value *i;
502
503	dst->key_values = 0;	603	dst->key_values = 0;
504		604
505	for (i = key_values; i; i = i->next)	605	for (key_value *i = key_values; i; i = i->next)
506	{	606	{
507	key_value *new_link = new key_value;	607	key_value *new_link = new key_value;
508		608
509	new_link->next = 0;	609	new_link->next = 0;
510	new_link->key = i->key;	610	new_link->key = i->key;
511	new_link->value = i->value;	611	new_link->value = i->value;
512		612
513	/* Try and be clever here, too. */	613	/* Try and be clever here, too. */
514	if (!dst->key_values)	614	if (!dst->key_values)
515	{	615	{
…		…
522	tail = new_link;	622	tail = new_link;
523	}	623	}
524	}	624	}
525	}	625	}
526		626
527	update_ob_speed (dst);	627	if (speed < 0)
		628	dst->speed_left -= rndm ();
		629
		630	dst->activate ();
		631	}
		632
		633	void
		634	object::instantiate ()
		635	{
		636	if (!uuid.seq) // HACK
		637	uuid = UUID::gen ();
		638
		639	speed_left = -0.1f;
		640	/* copy the body_info to the body_used - this is only really
		641	* need for monsters, but doesn't hurt to do it for everything.
		642	* by doing so, when a monster is created, it has good starting
		643	* values for the body_used info, so when items are created
		644	* for it, they can be properly equipped.
		645	*/
		646	for (int i = NUM_BODY_LOCATIONS; i--; )
		647	slot[i].used = slot[i].info;
		648
		649	attachable::instantiate ();
528	}	650	}
529		651
530	object *	652	object *
531	object::clone ()	653	object::clone ()
532	{	654	{
533	object *neu = create ();	655	object *neu = create ();
534	copy_to (neu);	656	copy_to (neu);
		657	neu->map = map; // not copied by copy_to
535	return neu;	658	return neu;
536	}	659	}
537		660
538	/*	661	/*
539	* If an object with the IS_TURNABLE() flag needs to be turned due	662	* 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	663	* 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.	664	* be called to update the face variable, _and_ how it looks on the map.
542	*/	665	*/
543
544	void	666	void
545	update_turn_face (object *op)	667	update_turn_face (object *op)
546	{	668	{
547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	669	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
548	return;	670	return;
		671
549	SET_ANIMATION (op, op->direction);	672	SET_ANIMATION (op, op->direction);
550	update_object (op, UP_OBJ_FACE);	673	update_object (op, UP_OBJ_FACE);
551	}	674	}
552		675
553	/*	676	/*
554	* Updates the speed of an object. If the speed changes from 0 to another	677	* Updates the speed of an object. If the speed changes from 0 to another
555	* value, or vice versa, then add/remove the object from the active list.	678	* value, or vice versa, then add/remove the object from the active list.
556	* This function needs to be called whenever the speed of an object changes.	679	* This function needs to be called whenever the speed of an object changes.
557	*/	680	*/
558	void	681	void
559	update_ob_speed (object *op)	682	object::set_speed (float speed)
560	{	683	{
561	extern int arch_init;	684	if (flag [FLAG_FREED] && speed)
562
563	/* No reason putting the archetypes objects on the speed list,
564	* since they never really need to be updated.
565	*/
566	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
567	{	685	{
568	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	686	LOG (llevError, "Object %s is freed but has speed.\n", &name);
569	op->speed = 0;	687	speed = 0;
570	}
571
572	if (arch_init)
573	return;
574
575	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
576	{	688	}
577	/* If already on active list, don't do anything */
578	if (op->active_next || op->active_prev || op == active_objects)
579	return;
580		689
581	/* process_events() expects us to insert the object at the beginning	690	this->speed = speed;
582	* of the list. */
583	op->active_next = active_objects;
584		691
585	if (op->active_next != NULL)	692	if (has_active_speed ())
586	op->active_next->active_prev = op;	693	activate ();
587
588	active_objects = op;
589	}
590	else	694	else
591	{	695	deactivate ();
592	/* If not on the active list, nothing needs to be done */
593	if (!op->active_next && !op->active_prev && op != active_objects)
594	return;
595
596	if (op->active_prev == NULL)
597	{
598	active_objects = op->active_next;
599
600	if (op->active_next != NULL)
601	op->active_next->active_prev = NULL;
602	}
603	else
604	{
605	op->active_prev->active_next = op->active_next;
606
607	if (op->active_next)
608	op->active_next->active_prev = op->active_prev;
609	}
610
611	op->active_next = NULL;
612	op->active_prev = NULL;
613	}
614	}
615
616	/* This function removes object 'op' from the list of active
617	* objects.
618	* This should only be used for style maps or other such
619	* reference maps where you don't want an object that isn't
620	* in play chewing up cpu time getting processed.
621	* The reverse of this is to call update_ob_speed, which
622	* will do the right thing based on the speed of the object.
623	*/
624	void
625	remove_from_active_list (object *op)
626	{
627	/* If not on the active list, nothing needs to be done */
628	if (!op->active_next && !op->active_prev && op != active_objects)
629	return;
630
631	if (op->active_prev == NULL)
632	{
633	active_objects = op->active_next;
634	if (op->active_next != NULL)
635	op->active_next->active_prev = NULL;
636	}
637	else
638	{
639	op->active_prev->active_next = op->active_next;
640	if (op->active_next)
641	op->active_next->active_prev = op->active_prev;
642	}
643	op->active_next = NULL;
644	op->active_prev = NULL;
645	}	696	}
646		697
647	/*	698	/*
648	* update_object() updates the the map.	699	* update_object() updates the the map.
649	* It takes into account invisible objects (and represent squares covered	700	* It takes into account invisible objects (and represent squares covered
…		…
662	* UP_OBJ_FACE: only the objects face has changed.	713	* UP_OBJ_FACE: only the objects face has changed.
663	*/	714	*/
664	void	715	void
665	update_object (object *op, int action)	716	update_object (object *op, int action)
666	{	717	{
667	MoveType move_on, move_off, move_block, move_slow;	718	if (!op)
668
669	if (op == NULL)
670	{	719	{
671	/* this should never happen */	720	/* this should never happen */
672	LOG (llevDebug, "update_object() called for NULL object.\n");	721	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
673	return;	722	return;
674	}	723	}
675		724
676	if (op->env)	725	if (!op->is_on_map ())
677	{	726	{
678	/* Animation is currently handled by client, so nothing	727	/* Animation is currently handled by client, so nothing
679	* to do in this case.	728	* to do in this case.
680	*/	729	*/
681	return;	730	return;
682	}	731	}
683
684	/* If the map is saving, don't do anything as everything is
685	* going to get freed anyways.
686	*/
687	if (!op->map || op->map->in_memory == MAP_SAVING)
688	return;
689		732
690	/* make sure the object is within map boundaries */	733	/* make sure the object is within map boundaries */
691	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	734	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
692	{	735	{
693	LOG (llevError, "update_object() called for object out of map!\n");	736	LOG (llevError, "update_object() called for object out of map!\n");
…		…
697	return;	740	return;
698	}	741	}
699		742
700	mapspace &m = op->ms ();	743	mapspace &m = op->ms ();
701		744
702	if (m.flags_ & P_NEED_UPDATE)	745	if (!(m.flags_ & P_UPTODATE))
703	/* nop */;	746	/* nop */;
704	else if (action == UP_OBJ_INSERT)	747	else if (action == UP_OBJ_INSERT)
705	{	748	{
706	// this is likely overkill, TODO: revisit (schmorp)	749	// this is likely overkill, TODO: revisit (schmorp)
707	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	750	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
708	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	751	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
709	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	752	|| (op->is_player () && !(m.flags_ & P_PLAYER))
710	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	753	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
711	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	754	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
712	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	755	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
713	|| (m.move_on | op->move_on ) != m.move_on	756	|| (m.move_on | op->move_on ) != m.move_on
714	|| (m.move_off | op->move_off ) != m.move_off	757	|| (m.move_off | op->move_off ) != m.move_off
715	|| (m.move_slow | op->move_slow) != m.move_slow	758	|| (m.move_slow | op->move_slow) != m.move_slow
716	/* This isn't perfect, but I don't expect a lot of objects to	759	/* This isn't perfect, but I don't expect a lot of objects to
717	* to have move_allow right now.	760	* have move_allow right now.
718	*/	761	*/
719	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	762	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
720	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	763	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
721	m.flags_ = P_NEED_UPDATE;	764	m.invalidate ();
722	}	765	}
723	/* if the object is being removed, we can't make intelligent	766	/* if the object is being removed, we can't make intelligent
724	* decisions, because remove_ob can't really pass the object	767	* decisions, because remove_ob can't really pass the object
725	* that is being removed.	768	* that is being removed.
726	*/	769	*/
727	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	770	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
728	m.flags_ = P_NEED_UPDATE;	771	m.invalidate ();
729	else if (action == UP_OBJ_FACE)	772	else if (action == UP_OBJ_FACE)
730	/* Nothing to do for that case */ ;	773	/* Nothing to do for that case */ ;
731	else	774	else
732	LOG (llevError, "update_object called with invalid action: %d\n", action);	775	LOG (llevError, "update_object called with invalid action: %d\n", action);
733		776
734	if (op->more)	777	if (op->more)
735	update_object (op->more, action);	778	update_object (op->more, action);
736	}	779	}
737		780
738	object::vector object::objects; // not yet used
739	object *object::first;
740
741	object::object ()	781	object::object ()
742	{	782	{
743	SET_FLAG (this, FLAG_REMOVED);	783	SET_FLAG (this, FLAG_REMOVED);
744		784
745	expmul = 1.0;	785	//expmul = 1.0; declared const for the time being
746	face = blank_face;	786	face = blank_face;
747	}	787	}
748		788
749	object::~object ()	789	object::~object ()
750	{	790	{
		791	unlink ();
		792
751	free_key_values (this);	793	free_key_values (this);
752	}	794	}
753		795
		796	static int object_count;
		797
754	void object::link ()	798	void object::link ()
755	{	799	{
		800	assert (!index);//D
		801	uuid = UUID::gen ();
756	count = ++ob_count;	802	count = ++object_count;
757	uuid = gen_uuid ();
758		803
759	prev = 0;	804	refcnt_inc ();
760	next = object::first;	805	objects.insert (this);
761
762	if (object::first)
763	object::first->prev = this;
764
765	object::first = this;
766	}	806	}
767		807
768	void object::unlink ()	808	void object::unlink ()
769	{	809	{
770	if (this == object::first)	810	if (!index)
771	object::first = next;
772
773	/* Remove this object from the list of used objects */
774	if (prev) prev->next = next;
775	if (next) next->prev = prev;
776
777	prev = 0;
778	next = 0;
779	}
780
781	object *object::create ()
782	{
783	object *op = new object;
784	op->link ();
785	return op;
786	}
787
788	/*
789	* free_object() frees everything allocated by an object, removes
790	* it from the list of used objects, and puts it on the list of
791	* free objects. The IS_FREED() flag is set in the object.
792	* The object must have been removed by remove_ob() first for
793	* this function to succeed.
794	*
795	* If destroy_inventory is set, free inventory as well. Else drop items in
796	* inventory to the ground.
797	*/
798	void
799	object::do_destroy ()
800	{
801	attachable::do_destroy ();
802
803	if (flag [FLAG_IS_LINKED])
804	remove_button_link (this);
805
806	if (flag [FLAG_FRIENDLY])
807	remove_friendly_object (this);
808
809	if (!flag [FLAG_REMOVED])
810	remove ();
811
812	if (flag [FLAG_FREED])
813	return;	811	return;
814		812
815	flag [FLAG_FREED] = 1;	813	objects.erase (this);
		814	refcnt_dec ();
		815	}
816		816
817	// hack to ensure that freed objects still have a valid map	817	void
818	{	818	object::activate ()
819	static maptile *freed_map; // freed objects are moved here to avoid crashes	819	{
		820	/* If already on active list, don't do anything */
		821	if (active)
		822	return;
820		823
821	if (!freed_map)	824	if (has_active_speed ())
822	{	825	{
823	freed_map = new maptile;	826	if (flag [FLAG_FREED])
		827	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
824		828
825	freed_map->name = "/internal/freed_objects_map";	829	actives.insert (this);
826	freed_map->width = 3;
827	freed_map->height = 3;
828
829	freed_map->allocate ();
830	}	830	}
		831	}
831		832
832	map = freed_map;	833	void
833	x = 1;	834	object::activate_recursive ()
834	y = 1;	835	{
		836	activate ();
		837
		838	for (object *op = inv; op; op = op->below)
		839	op->activate_recursive ();
		840	}
		841
		842	/* This function removes object 'op' from the list of active
		843	* objects.
		844	* This should only be used for style maps or other such
		845	* reference maps where you don't want an object that isn't
		846	* in play chewing up cpu time getting processed.
		847	* The reverse of this is to call update_ob_speed, which
		848	* will do the right thing based on the speed of the object.
		849	*/
		850	void
		851	object::deactivate ()
		852	{
		853	/* If not on the active list, nothing needs to be done */
		854	if (!active)
		855	return;
		856
		857	actives.erase (this);
		858	}
		859
		860	void
		861	object::deactivate_recursive ()
		862	{
		863	for (object *op = inv; op; op = op->below)
		864	op->deactivate_recursive ();
		865
		866	deactivate ();
		867	}
		868
		869	void
		870	object::set_flag_inv (int flag, int value)
		871	{
		872	for (object *op = inv; op; op = op->below)
		873	{
		874	op->flag [flag] = value;
		875	op->set_flag_inv (flag, value);
835	}	876	}
836
837	more = 0;
838	head = 0;
839	inv = 0;
840
841	// clear those pointers that likely might have circular references to us
842	owner = 0;
843	enemy = 0;
844	attacked_by = 0;
845
846	// only relevant for players(?), but make sure of it anyways
847	contr = 0;
848
849	/* Remove object from the active list */
850	speed = 0;
851	update_ob_speed (this);
852
853	unlink ();
854	}	877	}
855		878
856	/*	879	/*
857	* Remove and free all objects in the inventory of the given object.	880	* Remove and free all objects in the inventory of the given object.
858	* object.c ?	881	* object.c ?
859	*/	882	*/
860	void	883	void
861	object::destroy_inv (bool drop_to_ground)	884	object::destroy_inv (bool drop_to_ground)
862	{	885	{
		886	// need to check first, because the checks below might segfault
		887	// as we might be on an invalid mapspace and crossfire code
		888	// is too buggy to ensure that the inventory is empty.
		889	// corollary: if you create arrows etc. with stuff in its inventory,
		890	// cf will crash below with off-map x and y
863	if (!inv)	891	if (!inv)
864	return;	892	return;
865		893
866	/* Only if the space blocks everything do we not process -	894	/* Only if the space blocks everything do we not process -
867	* if some form of movement is allowed, let objects	895	* if some form of movement is allowed, let objects
868	* drop on that space.	896	* drop on that space.
869	*/	897	*/
870	if (!drop_to_ground || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)	898	if (!drop_to_ground
		899	|| !map
		900	|| map->in_memory != MAP_ACTIVE
		901	|| map->no_drop
		902	|| ms ().move_block == MOVE_ALL)
871	{	903	{
872	while (inv)	904	while (inv)
873	{
874	inv->destroy_inv (drop_to_ground);
875	inv->destroy ();	905	inv->destroy ();
876	}
877	}	906	}
878	else	907	else
879	{ /* Put objects in inventory onto this space */	908	{ /* Put objects in inventory onto this space */
880	while (inv)	909	while (inv)
881	{	910	{
…		…
883		912
884	if (op->flag [FLAG_STARTEQUIP]	913	if (op->flag [FLAG_STARTEQUIP]
885	|| op->flag [FLAG_NO_DROP]	914	|| op->flag [FLAG_NO_DROP]
886	|| op->type == RUNE	915	|| op->type == RUNE
887	|| op->type == TRAP	916	|| op->type == TRAP
888	|| op->flag [FLAG_IS_A_TEMPLATE])	917	|| op->flag [FLAG_IS_A_TEMPLATE]
		918	|| op->flag [FLAG_DESTROY_ON_DEATH])
889	op->destroy ();	919	op->destroy ();
890	else	920	else
891	{	921	map->insert (op, x, y);
892	op->remove ();
893	op->x = x;
894	op->y = y;
895	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
896	}
897	}	922	}
898	}	923	}
899	}	924	}
900		925
		926	object *object::create ()
		927	{
		928	object *op = new object;
		929	op->link ();
		930	return op;
		931	}
		932
		933	static struct freed_map : maptile
		934	{
		935	freed_map ()
		936	{
		937	path = "<freed objects map>";
		938	name = "/internal/freed_objects_map";
		939	width = 3;
		940	height = 3;
		941	no_drop = 1;
		942	no_reset = 1;
		943
		944	alloc ();
		945	in_memory = MAP_ACTIVE;
		946	}
		947
		948	~freed_map ()
		949	{
		950	destroy ();
		951	}
		952	} freed_map; // freed objects are moved here to avoid crashes
		953
901	void	954	void
902	object::destroy (bool destroy_inventory)	955	object::do_destroy ()
		956	{
		957	if (flag [FLAG_IS_LINKED])
		958	remove_link ();
		959
		960	if (flag [FLAG_FRIENDLY])
		961	remove_friendly_object (this);
		962
		963	remove ();
		964
		965	attachable::do_destroy ();
		966
		967	deactivate ();
		968	unlink ();
		969
		970	flag [FLAG_FREED] = 1;
		971
		972	// hack to ensure that freed objects still have a valid map
		973	map = &freed_map;
		974	x = 1;
		975	y = 1;
		976
		977	if (more)
		978	{
		979	more->destroy ();
		980	more = 0;
		981	}
		982
		983	head = 0;
		984
		985	// clear those pointers that likely might cause circular references
		986	owner = 0;
		987	enemy = 0;
		988	attacked_by = 0;
		989	current_weapon = 0;
		990	}
		991
		992	void
		993	object::destroy ()
903	{	994	{
904	if (destroyed ())	995	if (destroyed ())
905	return;	996	return;
906		997
907	if (more)	998	if (!is_head () && !head->destroyed ())
908	{
909	//TODO: non-head objects must not have inventory
910	more->destroy (destroy_inventory);
911	more = 0;
912	}	999	{
		1000	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1001	head->destroy ();
		1002	return;
		1003	}
913		1004
914	if (destroy_inventory)
915	destroy_inv (true);	1005	destroy_inv (false);
		1006
		1007	if (is_head ())
		1008	if (sound_destroy)
		1009	play_sound (sound_destroy);
		1010	else if (flag [FLAG_MONSTER])
		1011	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
916		1012
917	attachable::destroy ();	1013	attachable::destroy ();
918	}
919
920	/*
921	* sub_weight() recursively (outwards) subtracts a number from the
922	* weight of an object (and what is carried by it's environment(s)).
923	*/
924	void
925	sub_weight (object *op, signed long weight)
926	{
927	while (op != NULL)
928	{
929	if (op->type == CONTAINER)
930	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
931
932	op->carrying -= weight;
933	op = op->env;
934	}
935	}	1014	}
936		1015
937	/* op->remove ():	1016	/* op->remove ():
938	* This function removes the object op from the linked list of objects	1017	* This function removes the object op from the linked list of objects
939	* which it is currently tied to. When this function is done, the	1018	* which it is currently tied to. When this function is done, the
940	* object will have no environment. If the object previously had an	1019	* object will have no environment. If the object previously had an
941	* environment, the x and y coordinates will be updated to	1020	* environment, the x and y coordinates will be updated to
942	* the previous environment.	1021	* the previous environment.
943	* Beware: This function is called from the editor as well!
944	*/	1022	*/
945	void	1023	void
946	object::remove ()	1024	object::do_remove ()
947	{	1025	{
948	object *tmp, *last = 0;	1026	if (flag [FLAG_REMOVED])
949	object *otmp;
950
951	if (QUERY_FLAG (this, FLAG_REMOVED))
952	return;	1027	return;
953		1028
954	SET_FLAG (this, FLAG_REMOVED);
955	INVOKE_OBJECT (REMOVE, this);	1029	INVOKE_OBJECT (REMOVE, this);
		1030
		1031	flag [FLAG_REMOVED] = true;
956		1032
957	if (more)	1033	if (more)
958	more->remove ();	1034	more->remove ();
959		1035
960	/*	1036	/*
961	* In this case, the object to be removed is in someones	1037	* In this case, the object to be removed is in someones
962	* inventory.	1038	* inventory.
963	*/	1039	*/
964	if (env)	1040	if (env)
965	{	1041	{
966	if (nrof)	1042	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
967	sub_weight (env, weight * nrof);	1043	if (object *pl = visible_to ())
968	else	1044	esrv_del_item (pl->contr, count);
969	sub_weight (env, weight + carrying);	1045	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1046
		1047	adjust_weight (env, -total_weight ());
		1048
		1049	object *pl = in_player ();
		1050
		1051	/* we set up values so that it could be inserted into
		1052	* the map, but we don't actually do that - it is up
		1053	* to the caller to decide what we want to do.
		1054	*/
		1055	map = env->map;
		1056	x = env->x;
		1057	y = env->y;
		1058
		1059	// make sure cmov optimisation is applicable
		1060	*(above ? &above->below : &env->inv) = below;
		1061	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1062
		1063	above = 0;
		1064	below = 0;
		1065	env = 0;
970		1066
971	/* NO_FIX_PLAYER is set when a great many changes are being	1067	/* NO_FIX_PLAYER is set when a great many changes are being
972	* made to players inventory. If set, avoiding the call	1068	* made to players inventory. If set, avoiding the call
973	* to save cpu time.	1069	* to save cpu time.
974	*/	1070	*/
975	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1071	if (pl)
		1072	if (pl->is_player () && (glow_radius || !QUERY_FLAG (pl, FLAG_NO_FIX_PLAYER)))
		1073	{
976	otmp->update_stats ();	1074	pl->update_stats ();
977		1075
978	if (above != NULL)	1076	if (glow_radius && pl->is_on_map ())
979	above->below = below;	1077	update_all_los (pl->map, pl->x, pl->y);
980	else	1078	}
981	env->inv = below;
982
983	if (below != NULL)
984	below->above = above;
985
986	/* we set up values so that it could be inserted into
987	* the map, but we don't actually do that - it is up
988	* to the caller to decide what we want to do.
989	*/
990	x = env->x, y = env->y;
991	map = env->map;
992	above = 0, below = 0;
993	env = 0;
994	}	1079	}
995	else if (map)	1080	else if (map)
996	{	1081	{
997	/* Re did the following section of code - it looks like it had	1082	map->dirty = true;
998	* lots of logic for things we no longer care about	1083	mapspace &ms = this->ms ();
		1084
		1085	if (object *pl = ms.player ())
999	*/	1086	{
		1087	if (is_player ())
		1088	{
		1089	if (!flag [FLAG_WIZPASS])
		1090	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1091
		1092	// leaving a spot always closes any open container on the ground
		1093	if (container && !container->env)
		1094	// this causes spurious floorbox updates, but it ensures
		1095	// that the CLOSE event is being sent.
		1096	close_container ();
		1097
		1098	--map->players;
		1099	map->touch ();
		1100	}
		1101	else if (pl->container_ () == this)
		1102	{
		1103	// removing a container should close it
		1104	close_container ();
		1105	}
		1106
		1107	esrv_del_item (pl->contr, count);
		1108	}
1000		1109
1001	/* link the object above us */	1110	/* link the object above us */
1002	if (above)	1111	// re-link, make sure compiler can easily use cmove
1003	above->below = below;	1112	*(above ? &above->below : &ms.top) = below;
1004	else	1113	*(below ? &below->above : &ms.bot) = above;
1005	map->at (x, y).top = below; /* we were top, set new top */
1006
1007	/* Relink the object below us, if there is one */
1008	if (below)
1009	below->above = above;
1010	else
1011	{
1012	/* Nothing below, which means we need to relink map object for this space
1013	* use translated coordinates in case some oddness with map tiling is
1014	* evident
1015	*/
1016	if (GET_MAP_OB (map, x, y) != this)
1017	{
1018	char *dump = dump_object (this);
1019	LOG (llevError,
1020	"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);
1021	free (dump);
1022	dump = dump_object (GET_MAP_OB (map, x, y));
1023	LOG (llevError, "%s\n", dump);
1024	free (dump);
1025	}
1026
1027	map->at (x, y).bot = above; /* goes on above it. */
1028	}
1029		1114
1030	above = 0;	1115	above = 0;
1031	below = 0;	1116	below = 0;
1032		1117
		1118	ms.invalidate ();
		1119
1033	if (map->in_memory == MAP_SAVING)	1120	if (map->in_memory == MAP_SAVING)
1034	return;	1121	return;
1035		1122
1036	int check_walk_off = !flag [FLAG_NO_APPLY];	1123	int check_walk_off = !flag [FLAG_NO_APPLY];
1037		1124
1038	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1125	if (object *pl = ms.player ())
1039	{	1126	{
1040	/* No point updating the players look faces if he is the object	1127	if (pl->container_ () == this)
1041	* being removed.
1042	*/
1043
1044	if (tmp->type == PLAYER && tmp != this)
1045	{
1046	/* If a container that the player is currently using somehow gets	1128	/* If a container that the player is currently using somehow gets
1047	* removed (most likely destroyed), update the player view	1129	* removed (most likely destroyed), update the player view
1048	* appropriately.	1130	* appropriately.
1049	*/	1131	*/
1050	if (tmp->container == this)	1132	pl->close_container ();
1051	{
1052	flag [FLAG_APPLIED] = 0;
1053	tmp->container = 0;
1054	}
1055		1133
		1134	//TODO: the floorbox prev/next might need updating
		1135	//esrv_del_item (pl->contr, count);
		1136	//TODO: update floorbox to preserve ordering
1056	if (tmp->contr->ns)	1137	if (pl->contr->ns)
1057	tmp->contr->ns->floorbox_update ();	1138	pl->contr->ns->floorbox_update ();
		1139	}
		1140
		1141	if (check_walk_off)
		1142	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1143	{
		1144	above = tmp->above;
		1145
		1146	/* No point updating the players look faces if he is the object
		1147	* being removed.
1058	}	1148	*/
1059		1149
1060	/* See if player moving off should effect something */	1150	/* See if object moving off should effect something */
1061	if (check_walk_off
1062	&& ((move_type & tmp->move_off)	1151	if ((move_type & tmp->move_off)
1063	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1152	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1064	{
1065	move_apply (tmp, this, 0);	1153	move_apply (tmp, this, 0);
1066
1067	if (destroyed ())
1068	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1069	}	1154	}
1070		1155
1071	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1156	if (affects_los ())
1072
1073	if (tmp->above == tmp)
1074	tmp->above = 0;
1075
1076	last = tmp;
1077	}
1078
1079	/* last == NULL of there are no objects on this space */
1080	if (!last)
1081	map->at (x, y).flags_ = P_NEED_UPDATE;
1082	else
1083	update_object (last, UP_OBJ_REMOVE);
1084
1085	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1086	update_all_los (map, x, y);	1157	update_all_los (map, x, y);
1087	}	1158	}
1088	}	1159	}
1089		1160
1090	/*	1161	/*
…		…
1099	merge_ob (object *op, object *top)	1170	merge_ob (object *op, object *top)
1100	{	1171	{
1101	if (!op->nrof)	1172	if (!op->nrof)
1102	return 0;	1173	return 0;
1103		1174
1104	if (top)	1175	if (!top)
1105	for (top = op; top && top->above; top = top->above)	1176	for (top = op; top && top->above; top = top->above)
1106	;	1177	;
1107		1178
1108	for (; top; top = top->below)	1179	for (; top; top = top->below)
1109	{
1110	if (top == op)
1111	continue;
1112
1113	if (object::can_merge (op, top))	1180	if (object::can_merge (op, top))
1114	{	1181	{
1115	top->nrof += op->nrof;	1182	top->nrof += op->nrof;
1116		1183
1117	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1184	if (object *pl = top->visible_to ())
1118	op->weight = 0; /* Don't want any adjustements now */	1185	esrv_update_item (UPD_NROF, pl, top);
		1186
		1187	op->weight = 0; // cancel the addition above
		1188	op->carrying = 0; // must be 0 already
		1189
1119	op->destroy ();	1190	op->destroy ();
		1191
1120	return top;	1192	return top;
1121	}	1193	}
1122	}
1123		1194
1124	return 0;	1195	return 0;
1125	}	1196	}
1126		1197
		1198	void
		1199	object::expand_tail ()
		1200	{
		1201	if (more)
		1202	return;
		1203
		1204	object *prev = this;
		1205
		1206	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1207	{
		1208	object *op = arch_to_object (at);
		1209
		1210	op->name = name;
		1211	op->name_pl = name_pl;
		1212	op->title = title;
		1213
		1214	op->head = this;
		1215	prev->more = op;
		1216
		1217	prev = op;
		1218	}
		1219	}
		1220
1127	/*	1221	/*
1128	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1222	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1129	* job preparing multi-part monsters	1223	* job preparing multi-part monsters.
1130	*/	1224	*/
1131	object *	1225	object *
1132	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1226	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1133	{	1227	{
1134	object *tmp;	1228	op->remove ();
1135		1229
1136	if (op->head)
1137	op = op->head;
1138
1139	for (tmp = op; tmp; tmp = tmp->more)	1230	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1140	{	1231	{
1141	tmp->x = x + tmp->arch->clone.x;	1232	tmp->x = x + tmp->arch->x;
1142	tmp->y = y + tmp->arch->clone.y;	1233	tmp->y = y + tmp->arch->y;
1143	}	1234	}
1144		1235
1145	return insert_ob_in_map (op, m, originator, flag);	1236	return insert_ob_in_map (op, m, originator, flag);
1146	}	1237	}
1147		1238
…		…
1166	* just 'op' otherwise	1257	* just 'op' otherwise
1167	*/	1258	*/
1168	object *	1259	object *
1169	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1260	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1170	{	1261	{
1171	object *tmp, *top, *floor = NULL;	1262	op->remove ();
1172	sint16 x, y;
1173		1263
1174	if (QUERY_FLAG (op, FLAG_FREED))	1264	if (m == &freed_map)//D TODO: remove soon
1175	{	1265	{//D
1176	LOG (llevError, "Trying to insert freed object!\n");	1266	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1177	return NULL;
1178	}	1267	}//D
1179
1180	if (m == NULL)
1181	{
1182	char *dump = dump_object (op);
1183	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1184	free (dump);
1185	return op;
1186	}
1187
1188	if (out_of_map (m, op->x, op->y))
1189	{
1190	char *dump = dump_object (op);
1191	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1192	#ifdef MANY_CORES
1193	/* Better to catch this here, as otherwise the next use of this object
1194	* is likely to cause a crash. Better to find out where it is getting
1195	* improperly inserted.
1196	*/
1197	abort ();
1198	#endif
1199	free (dump);
1200	return op;
1201	}
1202
1203	if (!QUERY_FLAG (op, FLAG_REMOVED))
1204	{
1205	char *dump = dump_object (op);
1206	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1207	free (dump);
1208	return op;
1209	}
1210
1211	if (op->more)
1212	{
1213	/* The part may be on a different map. */
1214
1215	object *more = op->more;
1216
1217	/* We really need the caller to normalize coordinates - if
1218	* we set the map, that doesn't work if the location is within
1219	* a map and this is straddling an edge. So only if coordinate
1220	* is clear wrong do we normalize it.
1221	*/
1222	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1223	more->map = get_map_from_coord (m, &more->x, &more->y);
1224	else if (!more->map)
1225	{
1226	/* For backwards compatibility - when not dealing with tiled maps,
1227	* more->map should always point to the parent.
1228	*/
1229	more->map = m;
1230	}
1231
1232	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1233	{
1234	if (!op->head)
1235	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1236
1237	return 0;
1238	}
1239	}
1240
1241	CLEAR_FLAG (op, FLAG_REMOVED);
1242		1268
1243	/* Ideally, the caller figures this out. However, it complicates a lot	1269	/* Ideally, the caller figures this out. However, it complicates a lot
1244	* of areas of callers (eg, anything that uses find_free_spot would now	1270	* of areas of callers (eg, anything that uses find_free_spot would now
1245	* need extra work	1271	* need extra work
1246	*/	1272	*/
1247	op->map = get_map_from_coord (m, &op->x, &op->y);	1273	maptile *newmap = m;
1248	x = op->x;	1274	if (!xy_normalise (newmap, op->x, op->y))
1249	y = op->y;	1275	{
		1276	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
		1277	return 0;
		1278	}
		1279
		1280	if (object *more = op->more)
		1281	if (!insert_ob_in_map (more, m, originator, flag))
		1282	return 0;
		1283
		1284	op->flag [FLAG_REMOVED] = false;
		1285	op->env = 0;
		1286	op->map = newmap;
		1287
		1288	mapspace &ms = op->ms ();
1250		1289
1251	/* this has to be done after we translate the coordinates.	1290	/* this has to be done after we translate the coordinates.
1252	*/	1291	*/
1253	if (op->nrof && !(flag & INS_NO_MERGE))	1292	if (op->nrof && !(flag & INS_NO_MERGE))
1254	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1293	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1255	if (object::can_merge (op, tmp))	1294	if (object::can_merge (op, tmp))
1256	{	1295	{
		1296	// TODO: we actually want to update tmp, not op,
		1297	// but some caller surely breaks when we return tmp
		1298	// from here :/
1257	op->nrof += tmp->nrof;	1299	op->nrof += tmp->nrof;
1258	tmp->destroy ();	1300	tmp->destroy ();
1259	}	1301	}
1260		1302
1261	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1303	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1270	{	1312	{
1271	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1313	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1272	abort ();	1314	abort ();
1273	}	1315	}
1274		1316
		1317	if (!originator->is_on_map ())
		1318	{
		1319	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1320	op->debug_desc (), originator->debug_desc ());
		1321	abort ();
		1322	}
		1323
1275	op->above = originator;	1324	op->above = originator;
1276	op->below = originator->below;	1325	op->below = originator->below;
1277
1278	if (op->below)
1279	op->below->above = op;
1280	else
1281	op->ms ().bot = op;
1282
1283	/* since *below* originator, no need to update top */
1284	originator->below = op;	1326	originator->below = op;
		1327
		1328	*(op->below ? &op->below->above : &ms.bot) = op;
1285	}	1329	}
1286	else	1330	else
1287	{	1331	{
		1332	object *floor = 0;
		1333	object *top = ms.top;
		1334
1288	/* If there are other objects, then */	1335	/* If there are other objects, then */
1289	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1336	if (top)
1290	{	1337	{
1291	object *last = NULL;
1292
1293	/*	1338	/*
1294	* If there are multiple objects on this space, we do some trickier handling.	1339	* If there are multiple objects on this space, we do some trickier handling.
1295	* We've already dealt with merging if appropriate.	1340	* We've already dealt with merging if appropriate.
1296	* Generally, we want to put the new object on top. But if	1341	* Generally, we want to put the new object on top. But if
1297	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1342	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1300	* once we get to them. This reduces the need to traverse over all of	1345	* once we get to them. This reduces the need to traverse over all of
1301	* them when adding another one - this saves quite a bit of cpu time	1346	* them when adding another one - this saves quite a bit of cpu time
1302	* when lots of spells are cast in one area. Currently, it is presumed	1347	* when lots of spells are cast in one area. Currently, it is presumed
1303	* that flying non pickable objects are spell objects.	1348	* that flying non pickable objects are spell objects.
1304	*/	1349	*/
1305		1350	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1306	while (top != NULL)
1307	{	1351	{
1308	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1352	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1309	floor = top;	1353	floor = tmp;
1310		1354
1311	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1355	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1312	{	1356	{
1313	/* We insert above top, so we want this object below this */	1357	/* We insert above top, so we want this object below this */
1314	top = top->below;	1358	top = tmp->below;
1315	break;	1359	break;
1316	}	1360	}
1317		1361
1318	last = top;
1319	top = top->above;	1362	top = tmp;
1320	}	1363	}
1321
1322	/* Don't want top to be NULL, so set it to the last valid object */
1323	top = last;
1324		1364
1325	/* We let update_position deal with figuring out what the space	1365	/* We let update_position deal with figuring out what the space
1326	* looks like instead of lots of conditions here.	1366	* looks like instead of lots of conditions here.
1327	* makes things faster, and effectively the same result.	1367	* makes things faster, and effectively the same result.
1328	*/	1368	*/
1329		1369
1330	/* Have object 'fall below' other objects that block view.	1370	/* Have object 'fall below' other objects that block view.
1331	* Unless those objects are exits, type 66	1371	* Unless those objects are exits.
1332	* If INS_ON_TOP is used, don't do this processing	1372	* If INS_ON_TOP is used, don't do this processing
1333	* Need to find the object that in fact blocks view, otherwise	1373	* Need to find the object that in fact blocks view, otherwise
1334	* stacking is a bit odd.	1374	* stacking is a bit odd.
1335	*/	1375	*/
1336	if (!(flag & INS_ON_TOP) &&	1376	if (!(flag & INS_ON_TOP)
1337	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1377	&& ms.flags () & P_BLOCKSVIEW
		1378	&& (op->face && !faces [op->face].visibility))
1338	{	1379	{
		1380	object *last;
		1381
1339	for (last = top; last != floor; last = last->below)	1382	for (last = top; last != floor; last = last->below)
1340	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1383	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1341	break;	1384	break;
		1385
1342	/* Check to see if we found the object that blocks view,	1386	/* Check to see if we found the object that blocks view,
1343	* and make sure we have a below pointer for it so that	1387	* and make sure we have a below pointer for it so that
1344	* we can get inserted below this one, which requires we	1388	* we can get inserted below this one, which requires we
1345	* set top to the object below us.	1389	* set top to the object below us.
1346	*/	1390	*/
1347	if (last && last->below && last != floor)	1391	if (last && last->below && last != floor)
1348	top = last->below;	1392	top = last->below;
1349	}	1393	}
1350	} /* If objects on this space */	1394	} /* If objects on this space */
1351		1395
1352	if (flag & INS_MAP_LOAD)
1353	top = GET_MAP_TOP (op->map, op->x, op->y);
1354
1355	if (flag & INS_ABOVE_FLOOR_ONLY)	1396	if (flag & INS_ABOVE_FLOOR_ONLY)
1356	top = floor;	1397	top = floor;
1357		1398
1358	/* Top is the object that our object (op) is going to get inserted above.	1399	// insert object above top, or bottom-most if top = 0
1359	*/
1360
1361	/* First object on this space */
1362	if (!top)	1400	if (!top)
1363	{	1401	{
1364	op->above = GET_MAP_OB (op->map, op->x, op->y);
1365
1366	if (op->above)
1367	op->above->below = op;
1368
1369	op->below = NULL;	1402	op->below = 0;
		1403	op->above = ms.bot;
1370	op->ms ().bot = op;	1404	ms.bot = op;
		1405
		1406	*(op->above ? &op->above->below : &ms.top) = op;
1371	}	1407	}
1372	else	1408	else
1373	{ /* get inserted into the stack above top */	1409	{
1374	op->above = top->above;	1410	op->above = top->above;
1375
1376	if (op->above)
1377	op->above->below = op;	1411	top->above = op;
1378		1412
1379	op->below = top;	1413	op->below = top;
1380	top->above = op;	1414	*(op->above ? &op->above->below : &ms.top) = op;
1381	}	1415	}
		1416	}
1382		1417
1383	if (op->above == NULL)	1418	if (op->is_player ())
1384	op->ms ().top = op;	1419	{
1385	} /* else not INS_BELOW_ORIGINATOR */
1386
1387	if (op->type == PLAYER)
1388	op->contr->do_los = 1;	1420	op->contr->do_los = 1;
		1421	++op->map->players;
		1422	op->map->touch ();
		1423	}
1389		1424
1390	/* If we have a floor, we know the player, if any, will be above	1425	op->map->dirty = true;
1391	* it, so save a few ticks and start from there.	1426
1392	*/
1393	if (!(flag & INS_MAP_LOAD))
1394	if (object *pl = op->ms ().player ())	1427	if (object *pl = ms.player ())
		1428	//TODO: the floorbox prev/next might need updating
		1429	//esrv_send_item (pl, op);
		1430	//TODO: update floorbox to preserve ordering
1395	if (pl->contr->ns)	1431	if (pl->contr->ns)
1396	pl->contr->ns->floorbox_update ();	1432	pl->contr->ns->floorbox_update ();
1397		1433
1398	/* If this object glows, it may affect lighting conditions that are	1434	/* If this object glows, it may affect lighting conditions that are
1399	* visible to others on this map. But update_all_los is really	1435	* visible to others on this map. But update_all_los is really
1400	* an inefficient way to do this, as it means los for all players	1436	* an inefficient way to do this, as it means los for all players
1401	* on the map will get recalculated. The players could very well	1437	* on the map will get recalculated. The players could very well
1402	* be far away from this change and not affected in any way -	1438	* be far away from this change and not affected in any way -
1403	* this should get redone to only look for players within range,	1439	* this should get redone to only look for players within range,
1404	* or just updating the P_NEED_UPDATE for spaces within this area	1440	* or just updating the P_UPTODATE for spaces within this area
1405	* of effect may be sufficient.	1441	* of effect may be sufficient.
1406	*/	1442	*/
1407	if (op->map->darkness && (op->glow_radius != 0))	1443	if (op->affects_los ())
		1444	{
		1445	op->ms ().invalidate ();
1408	update_all_los (op->map, op->x, op->y);	1446	update_all_los (op->map, op->x, op->y);
		1447	}
1409		1448
1410	/* updates flags (blocked, alive, no magic, etc) for this map space */	1449	/* updates flags (blocked, alive, no magic, etc) for this map space */
1411	update_object (op, UP_OBJ_INSERT);	1450	update_object (op, UP_OBJ_INSERT);
1412		1451
1413	INVOKE_OBJECT (INSERT, op);	1452	INVOKE_OBJECT (INSERT, op);
…		…
1420	* blocked() and wall() work properly), and these flags are updated by	1459	* blocked() and wall() work properly), and these flags are updated by
1421	* update_object().	1460	* update_object().
1422	*/	1461	*/
1423		1462
1424	/* if this is not the head or flag has been passed, don't check walk on status */	1463	/* if this is not the head or flag has been passed, don't check walk on status */
1425	if (!(flag & INS_NO_WALK_ON) && !op->head)	1464	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1426	{	1465	{
1427	if (check_move_on (op, originator))	1466	if (check_move_on (op, originator))
1428	return 0;	1467	return 0;
1429		1468
1430	/* If we are a multi part object, lets work our way through the check	1469	/* If we are a multi part object, lets work our way through the check
1431	* walk on's.	1470	* walk on's.
1432	*/	1471	*/
1433	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1472	for (object *tmp = op->more; tmp; tmp = tmp->more)
1434	if (check_move_on (tmp, originator))	1473	if (check_move_on (tmp, originator))
1435	return 0;	1474	return 0;
1436	}	1475	}
1437		1476
1438	return op;	1477	return op;
…		…
1441	/* this function inserts an object in the map, but if it	1480	/* this function inserts an object in the map, but if it
1442	* finds an object of its own type, it'll remove that one first.	1481	* finds an object of its own type, it'll remove that one first.
1443	* op is the object to insert it under: supplies x and the map.	1482	* op is the object to insert it under: supplies x and the map.
1444	*/	1483	*/
1445	void	1484	void
1446	replace_insert_ob_in_map (const char *arch_string, object *op)	1485	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1447	{	1486	{
1448	object *tmp, *tmp1;
1449
1450	/* first search for itself and remove any old instances */	1487	/* first search for itself and remove any old instances */
1451		1488
1452	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1489	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1453	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1490	if (tmp->arch->archname == archname) /* same archetype */
1454	tmp->destroy ();	1491	tmp->destroy ();
1455		1492
1456	tmp1 = arch_to_object (archetype::find (arch_string));	1493	object *tmp = arch_to_object (archetype::find (archname));
1457		1494
1458	tmp1->x = op->x;	1495	tmp->x = op->x;
1459	tmp1->y = op->y;	1496	tmp->y = op->y;
		1497
1460	insert_ob_in_map (tmp1, op->map, op, 0);	1498	insert_ob_in_map (tmp, op->map, op, 0);
1461	}	1499	}
1462
1463	/*
1464	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1465	* is returned contains nr objects, and the remaining parts contains
1466	* the rest (or is removed and freed if that number is 0).
1467	* On failure, NULL is returned, and the reason put into the
1468	* global static errmsg array.
1469	*/
1470		1500
1471	object *	1501	object *
1472	get_split_ob (object *orig_ob, uint32 nr)	1502	object::insert_at (object *where, object *originator, int flags)
1473	{	1503	{
1474	object *newob;	1504	if (where->env)
1475	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1505	return where->env->insert (this);
1476		1506	else
1477	if (orig_ob->nrof < nr)	1507	return where->map->insert (this, where->x, where->y, originator, flags);
1478	{
1479	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1480	return NULL;
1481	}
1482
1483	newob = object_create_clone (orig_ob);
1484
1485	if ((orig_ob->nrof -= nr) < 1)
1486	orig_ob->destroy (1);
1487	else if (!is_removed)
1488	{
1489	if (orig_ob->env != NULL)
1490	sub_weight (orig_ob->env, orig_ob->weight * nr);
1491	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1492	{
1493	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1494	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1495	return NULL;
1496	}
1497	}
1498
1499	newob->nrof = nr;
1500
1501	return newob;
1502	}	1508	}
1503		1509
1504	/*	1510	/*
1505	* decrease_ob_nr(object, number) decreases a specified number from	1511	* decrease(object, number) decreases a specified number from
1506	* the amount of an object. If the amount reaches 0, the object	1512	* the amount of an object. If the amount reaches 0, the object
1507	* is subsequently removed and freed.	1513	* is subsequently removed and freed.
1508	*	1514	*
1509	* Return value: 'op' if something is left, NULL if the amount reached 0	1515	* Return value: 'op' if something is left, NULL if the amount reached 0
1510	*/	1516	*/
		1517	bool
		1518	object::decrease (sint32 nr)
		1519	{
		1520	if (!nr)
		1521	return true;
1511		1522
		1523	nr = min (nr, nrof);
		1524
		1525	if (nrof > nr)
		1526	{
		1527	nrof -= nr;
		1528	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1529
		1530	if (object *pl = visible_to ())
		1531	esrv_update_item (UPD_NROF, pl, this);
		1532
		1533	return true;
		1534	}
		1535	else
		1536	{
		1537	destroy ();
		1538	return false;
		1539	}
		1540	}
		1541
		1542	/*
		1543	* split(ob,nr) splits up ob into two parts. The part which
		1544	* is returned contains nr objects, and the remaining parts contains
		1545	* the rest (or is removed and returned if that number is 0).
		1546	* On failure, NULL is returned.
		1547	*/
1512	object *	1548	object *
1513	decrease_ob_nr (object *op, uint32 i)	1549	object::split (sint32 nr)
1514	{	1550	{
1515	object *tmp;	1551	int have = number_of ();
1516		1552
1517	if (i == 0) /* objects with op->nrof require this check */	1553	if (have < nr)
1518	return op;	1554	return 0;
1519		1555	else if (have == nr)
1520	if (i > op->nrof)
1521	i = op->nrof;
1522
1523	if (QUERY_FLAG (op, FLAG_REMOVED))
1524	op->nrof -= i;
1525	else if (op->env)
1526	{	1556	{
1527	/* is this object in the players inventory, or sub container
1528	* therein?
1529	*/
1530	tmp = op->in_player ();
1531	/* nope. Is this a container the player has opened?
1532	* If so, set tmp to that player.
1533	* IMO, searching through all the players will mostly
1534	* likely be quicker than following op->env to the map,
1535	* and then searching the map for a player.
1536	*/
1537	if (!tmp)
1538	for_all_players (pl)
1539	if (pl->ob->container == op->env)
1540	{
1541	tmp = pl->ob;
1542	break;
1543	}
1544
1545	if (i < op->nrof)
1546	{
1547	sub_weight (op->env, op->weight * i);
1548	op->nrof -= i;
1549	if (tmp)
1550	esrv_send_item (tmp, op);
1551	}
1552	else
1553	{
1554	op->remove ();	1557	remove ();
1555	op->nrof = 0;	1558	return this;
1556	if (tmp)
1557	esrv_del_item (tmp->contr, op->count);
1558	}
1559	}	1559	}
1560	else	1560	else
1561	{	1561	{
1562	object *above = op->above;	1562	decrease (nr);
1563		1563
1564	if (i < op->nrof)	1564	object *op = deep_clone ();
1565	op->nrof -= i;	1565	op->nrof = nr;
1566	else
1567	{
1568	op->remove ();
1569	op->nrof = 0;
1570	}
1571
1572	/* Since we just removed op, op->above is null */
1573	for (tmp = above; tmp; tmp = tmp->above)
1574	if (tmp->type == PLAYER)
1575	{
1576	if (op->nrof)
1577	esrv_send_item (tmp, op);
1578	else
1579	esrv_del_item (tmp->contr, op->count);
1580	}
1581	}
1582
1583	if (op->nrof)
1584	return op;	1566	return op;
1585	else
1586	{
1587	op->destroy ();
1588	return 0;
1589	}
1590	}
1591
1592	/*
1593	* add_weight(object, weight) adds the specified weight to an object,
1594	* and also updates how much the environment(s) is/are carrying.
1595	*/
1596
1597	void
1598	add_weight (object *op, signed long weight)
1599	{
1600	while (op != NULL)
1601	{
1602	if (op->type == CONTAINER)
1603	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1604
1605	op->carrying += weight;
1606	op = op->env;
1607	}	1567	}
1608	}	1568	}
1609		1569
1610	object *	1570	object *
1611	insert_ob_in_ob (object *op, object *where)	1571	insert_ob_in_ob (object *op, object *where)
…		…
1616	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1576	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1617	free (dump);	1577	free (dump);
1618	return op;	1578	return op;
1619	}	1579	}
1620		1580
1621	if (where->head)	1581	if (where->head_ () != where)
1622	{	1582	{
1623	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1583	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1624	where = where->head;	1584	where = where->head;
1625	}	1585	}
1626		1586
1627	return where->insert (op);	1587	return where->insert (op);
1628	}	1588	}
…		…
1633	* inside the object environment.	1593	* inside the object environment.
1634	*	1594	*
1635	* The function returns now pointer to inserted item, and return value can	1595	* The function returns now pointer to inserted item, and return value can
1636	* be != op, if items are merged. -Tero	1596	* be != op, if items are merged. -Tero
1637	*/	1597	*/
1638
1639	object *	1598	object *
1640	object::insert (object *op)	1599	object::insert (object *op)
1641	{	1600	{
1642	object *tmp, *otmp;
1643
1644	if (!QUERY_FLAG (op, FLAG_REMOVED))
1645	op->remove ();
1646
1647	if (op->more)	1601	if (op->more)
1648	{	1602	{
1649	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1603	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1650	return op;	1604	return op;
1651	}	1605	}
1652		1606
1653	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1607	op->remove ();
1654	CLEAR_FLAG (op, FLAG_REMOVED);	1608
		1609	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1610
1655	if (op->nrof)	1611	if (op->nrof)
1656	{
1657	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1612	for (object *tmp = inv; tmp; tmp = tmp->below)
1658	if (object::can_merge (tmp, op))	1613	if (object::can_merge (tmp, op))
1659	{	1614	{
1660	/* return the original object and remove inserted object	1615	/* return the original object and remove inserted object
1661	(client needs the original object) */	1616	(client needs the original object) */
1662	tmp->nrof += op->nrof;	1617	tmp->nrof += op->nrof;
1663	/* Weight handling gets pretty funky. Since we are adding to	1618
1664	* tmp->nrof, we need to increase the weight.	1619	if (object *pl = tmp->visible_to ())
1665	*/	1620	esrv_update_item (UPD_NROF, pl, tmp);
		1621
1666	add_weight (this, op->weight * op->nrof);	1622	adjust_weight (this, op->total_weight ());
1667	SET_FLAG (op, FLAG_REMOVED);	1623
1668	op->destroy (); /* free the inserted object */	1624	op->destroy ();
1669	op = tmp;	1625	op = tmp;
1670	op->remove (); /* and fix old object's links */	1626	goto inserted;
1671	CLEAR_FLAG (op, FLAG_REMOVED);
1672	break;
1673	}	1627	}
1674		1628
1675	/* I assume combined objects have no inventory	1629	op->owner = 0; // it's his/hers now. period.
1676	* We add the weight - this object could have just been removed
1677	* (if it was possible to merge). calling remove_ob will subtract
1678	* the weight, so we need to add it in again, since we actually do
1679	* the linking below
1680	*/
1681	add_weight (this, op->weight * op->nrof);
1682	}
1683	else
1684	add_weight (this, (op->weight + op->carrying));
1685
1686	otmp = this->in_player ();
1687	if (otmp && otmp->contr)
1688	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1689	otmp->update_stats ();
1690
1691	op->map = 0;	1630	op->map = 0;
1692	op->env = this;	1631	op->x = 0;
		1632	op->y = 0;
		1633
1693	op->above = 0;	1634	op->above = 0;
1694	op->below = 0;	1635	op->below = inv;
1695	op->x = 0, op->y = 0;	1636	op->env = this;
1696		1637
		1638	if (inv)
		1639	inv->above = op;
		1640
		1641	inv = op;
		1642
		1643	op->flag [FLAG_REMOVED] = 0;
		1644
		1645	if (object *pl = op->visible_to ())
		1646	esrv_send_item (pl, op);
		1647
		1648	adjust_weight (this, op->total_weight ());
		1649
		1650	inserted:
1697	/* reset the light list and los of the players on the map */	1651	/* reset the light list and los of the players on the map */
1698	if ((op->glow_radius != 0) && map)	1652	if (op->glow_radius && is_on_map ())
1699	{	1653	{
1700	#ifdef DEBUG_LIGHTS	1654	update_stats ();
1701	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1702	#endif /* DEBUG_LIGHTS */
1703	if (map->darkness)
1704	update_all_los (map, x, y);	1655	update_all_los (map, x, y);
1705	}
1706
1707	/* Client has no idea of ordering so lets not bother ordering it here.
1708	* It sure simplifies this function...
1709	*/
1710	if (!inv)
1711	inv = op;
1712	else
1713	{	1656	}
1714	op->below = inv;	1657	else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1715	op->below->above = op;	1658	// if this is a player's inventory, update stats
1716	inv = op;	1659	update_stats ();
1717	}
1718		1660
1719	INVOKE_OBJECT (INSERT, this);	1661	INVOKE_OBJECT (INSERT, this);
1720		1662
1721	return op;	1663	return op;
1722	}	1664	}
…		…
1739	*	1681	*
1740	* MSW 2001-07-08: Check all objects on space, not just those below	1682	* MSW 2001-07-08: Check all objects on space, not just those below
1741	* object being inserted. insert_ob_in_map may not put new objects	1683	* object being inserted. insert_ob_in_map may not put new objects
1742	* on top.	1684	* on top.
1743	*/	1685	*/
1744
1745	int	1686	int
1746	check_move_on (object *op, object *originator)	1687	check_move_on (object *op, object *originator)
1747	{	1688	{
		1689	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1690	return 0;
		1691
1748	object *tmp;	1692	object *tmp;
1749	maptile *m = op->map;	1693	maptile *m = op->map;
1750	int x = op->x, y = op->y;	1694	int x = op->x, y = op->y;
1751		1695
1752	MoveType move_on, move_slow, move_block;	1696	mapspace &ms = m->at (x, y);
1753		1697
1754	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1698	ms.update ();
1755	return 0;
1756		1699
1757	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1700	MoveType move_on = ms.move_on;
1758	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1701	MoveType move_slow = ms.move_slow;
1759	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1702	MoveType move_block = ms.move_block;
1760		1703
1761	/* if nothing on this space will slow op down or be applied,	1704	/* if nothing on this space will slow op down or be applied,
1762	* no need to do checking below. have to make sure move_type	1705	* no need to do checking below. have to make sure move_type
1763	* is set, as lots of objects don't have it set - we treat that	1706	* is set, as lots of objects don't have it set - we treat that
1764	* as walking.	1707	* as walking.
…		…
1775	return 0;	1718	return 0;
1776		1719
1777	/* The objects have to be checked from top to bottom.	1720	/* The objects have to be checked from top to bottom.
1778	* Hence, we first go to the top:	1721	* Hence, we first go to the top:
1779	*/	1722	*/
1780		1723	for (object *next, *tmp = ms.top; tmp; tmp = next)
1781	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)
1782	{
1783	/* Trim the search when we find the first other spell effect
1784	* this helps performance so that if a space has 50 spell objects,
1785	* we don't need to check all of them.
1786	*/
1787	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1788	break;
1789	}	1724	{
		1725	next = tmp->below;
1790		1726
1791	for (; tmp; tmp = tmp->below)
1792	{
1793	if (tmp == op)	1727	if (tmp == op)
1794	continue; /* Can't apply yourself */	1728	continue; /* Can't apply yourself */
1795		1729
1796	/* Check to see if one of the movement types should be slowed down.	1730	/* Check to see if one of the movement types should be slowed down.
1797	* Second check makes sure that the movement types not being slowed	1731	* Second check makes sure that the movement types not being slowed
…		…
1802	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1736	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1803	{	1737	{
1804	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1738	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1805	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1739	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1806	{	1740	{
1807
1808	float
1809	diff = tmp->move_slow_penalty * FABS (op->speed);	1741	float diff = tmp->move_slow_penalty * fabs (op->speed);
1810		1742
1811	if (op->type == PLAYER)	1743	if (op->is_player ())
1812	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1744	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1813	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1745	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1814	diff /= 4.0;	1746	diff /= 4.0;
1815		1747
1816	op->speed_left -= diff;	1748	op->speed_left -= diff;
1817	}	1749	}
1818	}	1750	}
…		…
1844	* The first matching object is returned, or NULL if none.	1776	* The first matching object is returned, or NULL if none.
1845	*/	1777	*/
1846	object *	1778	object *
1847	present_arch (const archetype *at, maptile *m, int x, int y)	1779	present_arch (const archetype *at, maptile *m, int x, int y)
1848	{	1780	{
1849	if (m == NULL || out_of_map (m, x, y))	1781	if (!m || out_of_map (m, x, y))
1850	{	1782	{
1851	LOG (llevError, "Present_arch called outside map.\n");	1783	LOG (llevError, "Present_arch called outside map.\n");
1852	return NULL;	1784	return NULL;
1853	}	1785	}
1854		1786
1855	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1787	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1856	if (tmp->arch == at)	1788	if (tmp->arch->archname == at->archname)
1857	return tmp;	1789	return tmp;
1858		1790
1859	return NULL;	1791	return NULL;
1860	}	1792	}
1861		1793
…		…
1871	{	1803	{
1872	LOG (llevError, "Present called outside map.\n");	1804	LOG (llevError, "Present called outside map.\n");
1873	return NULL;	1805	return NULL;
1874	}	1806	}
1875		1807
1876	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1808	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1877	if (tmp->type == type)	1809	if (tmp->type == type)
1878	return tmp;	1810	return tmp;
1879		1811
1880	return NULL;	1812	return NULL;
1881	}	1813	}
…		…
1925	* The first matching object is returned, or NULL if none.	1857	* The first matching object is returned, or NULL if none.
1926	*/	1858	*/
1927	object *	1859	object *
1928	present_arch_in_ob (const archetype *at, const object *op)	1860	present_arch_in_ob (const archetype *at, const object *op)
1929	{	1861	{
1930	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1862	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1931	if (tmp->arch == at)	1863	if (tmp->arch->archname == at->archname)
1932	return tmp;	1864	return tmp;
1933		1865
1934	return NULL;	1866	return NULL;
1935	}	1867	}
1936		1868
…		…
1938	* activate recursively a flag on an object inventory	1870	* activate recursively a flag on an object inventory
1939	*/	1871	*/
1940	void	1872	void
1941	flag_inv (object *op, int flag)	1873	flag_inv (object *op, int flag)
1942	{	1874	{
1943	if (op->inv)
1944	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1875	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1945	{	1876	{
1946	SET_FLAG (tmp, flag);	1877	SET_FLAG (tmp, flag);
1947	flag_inv (tmp, flag);	1878	flag_inv (tmp, flag);
1948	}	1879	}
1949	}	1880	}
1950		1881
1951	/*	1882	/*
1952	* deactivate recursively a flag on an object inventory	1883	* deactivate recursively a flag on an object inventory
1953	*/	1884	*/
1954	void	1885	void
1955	unflag_inv (object *op, int flag)	1886	unflag_inv (object *op, int flag)
1956	{	1887	{
1957	if (op->inv)
1958	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1888	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1959	{	1889	{
1960	CLEAR_FLAG (tmp, flag);	1890	CLEAR_FLAG (tmp, flag);
1961	unflag_inv (tmp, flag);	1891	unflag_inv (tmp, flag);
1962	}	1892	}
1963	}
1964
1965	/*
1966	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1967	* all it's inventory (recursively).
1968	* If checksums are used, a player will get set_cheat called for
1969	* him/her-self and all object carried by a call to this function.
1970	*/
1971	void
1972	set_cheat (object *op)
1973	{
1974	SET_FLAG (op, FLAG_WAS_WIZ);
1975	flag_inv (op, FLAG_WAS_WIZ);
1976	}	1893	}
1977		1894
1978	/*	1895	/*
1979	* find_free_spot(object, map, x, y, start, stop) will search for	1896	* find_free_spot(object, map, x, y, start, stop) will search for
1980	* a spot at the given map and coordinates which will be able to contain	1897	* a spot at the given map and coordinates which will be able to contain
…		…
1982	* to search (see the freearr_x/y[] definition).	1899	* to search (see the freearr_x/y[] definition).
1983	* It returns a random choice among the alternatives found.	1900	* It returns a random choice among the alternatives found.
1984	* start and stop are where to start relative to the free_arr array (1,9	1901	* start and stop are where to start relative to the free_arr array (1,9
1985	* does all 4 immediate directions). This returns the index into the	1902	* does all 4 immediate directions). This returns the index into the
1986	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1903	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1987	* Note - this only checks to see if there is space for the head of the
1988	* object - if it is a multispace object, this should be called for all
1989	* pieces.
1990	* Note2: This function does correctly handle tiled maps, but does not	1904	* Note: This function does correctly handle tiled maps, but does not
1991	* inform the caller. However, insert_ob_in_map will update as	1905	* inform the caller. However, insert_ob_in_map will update as
1992	* necessary, so the caller shouldn't need to do any special work.	1906	* necessary, so the caller shouldn't need to do any special work.
1993	* Note - updated to take an object instead of archetype - this is necessary	1907	* Note - updated to take an object instead of archetype - this is necessary
1994	* because arch_blocked (now ob_blocked) needs to know the movement type	1908	* because arch_blocked (now ob_blocked) needs to know the movement type
1995	* to know if the space in question will block the object. We can't use	1909	* to know if the space in question will block the object. We can't use
…		…
1997	* customized, changed states, etc.	1911	* customized, changed states, etc.
1998	*/	1912	*/
1999	int	1913	int
2000	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1914	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2001	{	1915	{
		1916	int altern[SIZEOFFREE];
2002	int index = 0, flag;	1917	int index = 0, flag;
2003	int altern[SIZEOFFREE];
2004		1918
2005	for (int i = start; i < stop; i++)	1919	for (int i = start; i < stop; i++)
2006	{	1920	{
2007	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1921	mapxy pos (m, x, y); pos.move (i);
2008	if (!flag)	1922
		1923	if (!pos.normalise ())
		1924	continue;
		1925
		1926	mapspace &ms = *pos;
		1927
		1928	if (ms.flags () & P_IS_ALIVE)
		1929	continue;
		1930
		1931	/* However, often
		1932	* ob doesn't have any move type (when used to place exits)
		1933	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1934	*/
		1935	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1936	{
2009	altern [index++] = i;	1937	altern [index++] = i;
		1938	continue;
		1939	}
2010		1940
2011	/* Basically, if we find a wall on a space, we cut down the search size.	1941	/* Basically, if we find a wall on a space, we cut down the search size.
2012	* In this way, we won't return spaces that are on another side of a wall.	1942	* In this way, we won't return spaces that are on another side of a wall.
2013	* This mostly work, but it cuts down the search size in all directions -	1943	* This mostly work, but it cuts down the search size in all directions -
2014	* if the space being examined only has a wall to the north and empty	1944	* if the space being examined only has a wall to the north and empty
2015	* spaces in all the other directions, this will reduce the search space	1945	* spaces in all the other directions, this will reduce the search space
2016	* to only the spaces immediately surrounding the target area, and	1946	* to only the spaces immediately surrounding the target area, and
2017	* won't look 2 spaces south of the target space.	1947	* won't look 2 spaces south of the target space.
2018	*/	1948	*/
2019	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1949	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1950	{
2020	stop = maxfree[i];	1951	stop = maxfree[i];
		1952	continue;
		1953	}
		1954
		1955	/* Note it is intentional that we check ob - the movement type of the
		1956	* head of the object should correspond for the entire object.
		1957	*/
		1958	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1959	continue;
		1960
		1961	if (ob->blocked (pos.m, pos.x, pos.y))
		1962	continue;
		1963
		1964	altern [index++] = i;
2021	}	1965	}
2022		1966
2023	if (!index)	1967	if (!index)
2024	return -1;	1968	return -1;
2025		1969
2026	return altern[RANDOM () % index];	1970	return altern [rndm (index)];
2027	}	1971	}
2028		1972
2029	/*	1973	/*
2030	* find_first_free_spot(archetype, maptile, x, y) works like	1974	* find_first_free_spot(archetype, maptile, x, y) works like
2031	* find_free_spot(), but it will search max number of squares.	1975	* find_free_spot(), but it will search max number of squares.
…		…
2034	*/	1978	*/
2035	int	1979	int
2036	find_first_free_spot (const object *ob, maptile *m, int x, int y)	1980	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2037	{	1981	{
2038	for (int i = 0; i < SIZEOFFREE; i++)	1982	for (int i = 0; i < SIZEOFFREE; i++)
2039	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	1983	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2040	return i;	1984	return i;
2041		1985
2042	return -1;	1986	return -1;
2043	}	1987	}
2044		1988
…		…
2052	{	1996	{
2053	arr += begin;	1997	arr += begin;
2054	end -= begin;	1998	end -= begin;
2055		1999
2056	while (--end)	2000	while (--end)
2057	swap (arr [end], arr [RANDOM () % (end + 1)]);	2001	swap (arr [end], arr [rndm (end + 1)]);
2058	}	2002	}
2059		2003
2060	/* new function to make monster searching more efficient, and effective!	2004	/* new function to make monster searching more efficient, and effective!
2061	* This basically returns a randomized array (in the passed pointer) of	2005	* This basically returns a randomized array (in the passed pointer) of
2062	* the spaces to find monsters. In this way, it won't always look for	2006	* the spaces to find monsters. In this way, it won't always look for
…		…
2090	* there is capable of.	2034	* there is capable of.
2091	*/	2035	*/
2092	int	2036	int
2093	find_dir (maptile *m, int x, int y, object *exclude)	2037	find_dir (maptile *m, int x, int y, object *exclude)
2094	{	2038	{
2095	int i, max = SIZEOFFREE, mflags;	2039	int max = SIZEOFFREE, mflags;
2096
2097	sint16 nx, ny;
2098	object *tmp;
2099	maptile *mp;
2100
2101	MoveType blocked, move_type;	2040	MoveType move_type;
2102		2041
2103	if (exclude && exclude->head)	2042	if (exclude && exclude->head_ () != exclude)
2104	{	2043	{
2105	exclude = exclude->head;	2044	exclude = exclude->head;
2106	move_type = exclude->move_type;	2045	move_type = exclude->move_type;
2107	}	2046	}
2108	else	2047	else
2109	{	2048	{
2110	/* If we don't have anything, presume it can use all movement types. */	2049	/* If we don't have anything, presume it can use all movement types. */
2111	move_type = MOVE_ALL;	2050	move_type = MOVE_ALL;
2112	}	2051	}
2113		2052
2114	for (i = 1; i < max; i++)	2053	for (int i = 1; i < max; i++)
2115	{	2054	{
2116	mp = m;	2055	mapxy pos (m, x, y);
2117	nx = x + freearr_x[i];	2056	pos.move (i);
2118	ny = y + freearr_y[i];
2119		2057
2120	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2058	if (!pos.normalise ())
2121
2122	if (mflags & P_OUT_OF_MAP)
2123	max = maxfree[i];	2059	max = maxfree[i];
2124	else	2060	else
2125	{	2061	{
2126	mapspace &ms = mp->at (nx, ny);	2062	mapspace &ms = *pos;
2127		2063
2128	blocked = ms.move_block;
2129
2130	if ((move_type & blocked) == move_type)	2064	if ((move_type & ms.move_block) == move_type)
2131	max = maxfree[i];	2065	max = maxfree [i];
2132	else if (mflags & P_IS_ALIVE)	2066	else if (ms.flags () & P_IS_ALIVE)
2133	{	2067	{
2134	for (tmp = ms.bot; tmp; tmp = tmp->above)	2068	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2135	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2069	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2136	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2070	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2137	break;
2138
2139	if (tmp)
2140	return freedir[i];	2071	return freedir [i];
2141	}	2072	}
2142	}	2073	}
2143	}	2074	}
2144		2075
2145	return 0;	2076	return 0;
…		…
2196		2127
2197	return 3;	2128	return 3;
2198	}	2129	}
2199		2130
2200	/*	2131	/*
2201	* absdir(int): Returns a number between 1 and 8, which represent
2202	* the "absolute" direction of a number (it actually takes care of
2203	* "overflow" in previous calculations of a direction).
2204	*/
2205
2206	int
2207	absdir (int d)
2208	{
2209	while (d < 1)
2210	d += 8;
2211
2212	while (d > 8)
2213	d -= 8;
2214
2215	return d;
2216	}
2217
2218	/*
2219	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2132	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2220	* between two directions (which are expected to be absolute (see absdir())	2133	* between two directions (which are expected to be absolute (see absdir())
2221	*/	2134	*/
2222
2223	int	2135	int
2224	dirdiff (int dir1, int dir2)	2136	dirdiff (int dir1, int dir2)
2225	{	2137	{
2226	int d;	2138	int d;
2227		2139
…		…
2239	* This basically means that if direction is 15, then it could either go	2151	* This basically means that if direction is 15, then it could either go
2240	* direction 4, 14, or 16 to get back to where we are.	2152	* direction 4, 14, or 16 to get back to where we are.
2241	* Moved from spell_util.c to object.c with the other related direction	2153	* Moved from spell_util.c to object.c with the other related direction
2242	* functions.	2154	* functions.
2243	*/	2155	*/
2244	int reduction_dir[SIZEOFFREE][3] = {	2156	static const int reduction_dir[SIZEOFFREE][3] = {
2245	{0, 0, 0}, /* 0 */	2157	{0, 0, 0}, /* 0 */
2246	{0, 0, 0}, /* 1 */	2158	{0, 0, 0}, /* 1 */
2247	{0, 0, 0}, /* 2 */	2159	{0, 0, 0}, /* 2 */
2248	{0, 0, 0}, /* 3 */	2160	{0, 0, 0}, /* 3 */
2249	{0, 0, 0}, /* 4 */	2161	{0, 0, 0}, /* 4 */
…		…
2340	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2252	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2341	* core dumps if they do.	2253	* core dumps if they do.
2342	*	2254	*
2343	* Add a check so we can't pick up invisible objects (0.93.8)	2255	* Add a check so we can't pick up invisible objects (0.93.8)
2344	*/	2256	*/
2345
2346	int	2257	int
2347	can_pick (const object *who, const object *item)	2258	can_pick (const object *who, const object *item)
2348	{	2259	{
2349	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2260	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2350	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2261	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2351	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2262	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2352	}	2263	}
2353		2264
2354	/*	2265	/*
2355	* create clone from object to another	2266	* create clone from object to another
2356	*/	2267	*/
2357	object *	2268	object *
2358	object_create_clone (object *asrc)	2269	object::deep_clone ()
2359	{	2270	{
2360	object *dst = 0, *tmp, *src, *part, *prev, *item;	2271	assert (("deep_clone called on non-head object", is_head ()));
2361		2272
2362	if (!asrc)	2273	object *dst = clone ();
2363	return 0;
2364		2274
2365	src = asrc;	2275	object *prev = dst;
2366	if (src->head)
2367	src = src->head;
2368
2369	prev = 0;
2370	for (part = src; part; part = part->more)	2276	for (object *part = this->more; part; part = part->more)
2371	{	2277	{
2372	tmp = part->clone ();	2278	object *tmp = part->clone ();
2373	tmp->x -= src->x;
2374	tmp->y -= src->y;
2375
2376	if (!part->head)
2377	{
2378	dst = tmp;
2379	tmp->head = 0;
2380	}
2381	else
2382	tmp->head = dst;	2279	tmp->head = dst;
2383
2384	tmp->more = 0;
2385
2386	if (prev)
2387	prev->more = tmp;	2280	prev->more = tmp;
2388
2389	prev = tmp;	2281	prev = tmp;
2390	}	2282	}
2391		2283
2392	for (item = src->inv; item; item = item->below)	2284	for (object *item = inv; item; item = item->below)
2393	insert_ob_in_ob (object_create_clone (item), dst);	2285	insert_ob_in_ob (item->deep_clone (), dst);
2394		2286
2395	return dst;	2287	return dst;
2396	}
2397
2398	/* GROS - Creates an object using a string representing its content. */
2399	/* Basically, we save the content of the string to a temp file, then call */
2400	/* load_object on it. I admit it is a highly inefficient way to make things, */
2401	/* but it was simple to make and allows reusing the load_object function. */
2402	/* Remember not to use load_object_str in a time-critical situation. */
2403	/* Also remember that multiparts objects are not supported for now. */
2404	object *
2405	load_object_str (const char *obstr)
2406	{
2407	object *op;
2408	char filename[MAX_BUF];
2409
2410	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2411
2412	FILE *tempfile = fopen (filename, "w");
2413
2414	if (tempfile == NULL)
2415	{
2416	LOG (llevError, "Error - Unable to access load object temp file\n");
2417	return NULL;
2418	}
2419
2420	fprintf (tempfile, obstr);
2421	fclose (tempfile);
2422
2423	op = object::create ();
2424
2425	object_thawer thawer (filename);
2426
2427	if (thawer)
2428	load_object (thawer, op, 0);
2429
2430	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2431	CLEAR_FLAG (op, FLAG_REMOVED);
2432
2433	return op;
2434	}	2288	}
2435		2289
2436	/* This returns the first object in who's inventory that	2290	/* This returns the first object in who's inventory that
2437	* has the same type and subtype match.	2291	* has the same type and subtype match.
2438	* returns NULL if no match.	2292	* returns NULL if no match.
…		…
2445	return tmp;	2299	return tmp;
2446		2300
2447	return 0;	2301	return 0;
2448	}	2302	}
2449		2303
2450	/* If ob has a field named key, return the link from the list,	2304	shstr_tmp
2451	* otherwise return NULL.	2305	object::kv_get (shstr_tmp key) const
2452	*
2453	* key must be a passed in shared string - otherwise, this won't
2454	* do the desired thing.
2455	*/
2456	key_value *
2457	get_ob_key_link (const object *ob, const char *key)
2458	{	2306	{
2459	for (key_value *link = ob->key_values; link; link = link->next)	2307	for (key_value *kv = key_values; kv; kv = kv->next)
2460	if (link->key == key)	2308	if (kv->key == key)
2461	return link;
2462
2463	return 0;
2464	}
2465
2466	/*
2467	* Returns the value of op has an extra_field for key, or NULL.
2468	*
2469	* The argument doesn't need to be a shared string.
2470	*
2471	* The returned string is shared.
2472	*/
2473	const char *
2474	get_ob_key_value (const object *op, const char *const key)
2475	{
2476	key_value *link;
2477	shstr_cmp canonical_key (key);
2478
2479	if (!canonical_key)
2480	{
2481	/* 1. There being a field named key on any object
2482	* implies there'd be a shared string to find.
2483	* 2. Since there isn't, no object has this field.
2484	* 3. Therefore, *this* object doesn't have this field.
2485	*/
2486	return 0;
2487	}
2488
2489	/* This is copied from get_ob_key_link() above -
2490	* only 4 lines, and saves the function call overhead.
2491	*/
2492	for (link = op->key_values; link; link = link->next)
2493	if (link->key == canonical_key)
2494	return link->value;	2309	return kv->value;
2495		2310
2496	return 0;	2311	return shstr ();
2497	}	2312	}
2498		2313
2499		2314	void
2500	/*	2315	object::kv_set (shstr_tmp key, shstr_tmp value)
2501	* Updates the canonical_key in op to value.
2502	*
2503	* canonical_key is a shared string (value doesn't have to be).
2504	*
2505	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2506	* keys.
2507	*
2508	* Returns TRUE on success.
2509	*/
2510	int
2511	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2512	{	2316	{
2513	key_value *field = NULL, *last = NULL;	2317	for (key_value *kv = key_values; kv; kv = kv->next)
2514		2318	if (kv->key == key)
2515	for (field = op->key_values; field != NULL; field = field->next)
2516	{
2517	if (field->key != canonical_key)
2518	{	2319	{
2519	last = field;	2320	kv->value = value;
2520	continue;	2321	return;
2521	}	2322	}
2522		2323
2523	if (value)	2324	key_value *kv = new key_value;
2524	field->value = value;	2325
2525	else	2326	kv->next = key_values;
		2327	kv->key = key;
		2328	kv->value = value;
		2329
		2330	key_values = kv;
		2331	}
		2332
		2333	void
		2334	object::kv_del (shstr_tmp key)
		2335	{
		2336	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2337	if ((*kvp)->key == key)
2526	{	2338	{
2527	/* Basically, if the archetype has this key set,	2339	key_value *kv = *kvp;
2528	* we need to store the null value so when we save	2340	*kvp = (*kvp)->next;
2529	* it, we save the empty value so that when we load,	2341	delete kv;
2530	* we get this value back again.	2342	return;
2531	*/
2532	if (get_ob_key_link (&op->arch->clone, canonical_key))
2533	field->value = 0;
2534	else
2535	{
2536	if (last)
2537	last->next = field->next;
2538	else
2539	op->key_values = field->next;
2540
2541	delete field;
2542	}
2543	}	2343	}
2544	return TRUE;
2545	}
2546	/* IF we get here, key doesn't exist */
2547
2548	/* No field, we'll have to add it. */
2549
2550	if (!add_key)
2551	return FALSE;
2552
2553	/* There isn't any good reason to store a null
2554	* value in the key/value list. If the archetype has
2555	* this key, then we should also have it, so shouldn't
2556	* be here. If user wants to store empty strings,
2557	* should pass in ""
2558	*/
2559	if (value == NULL)
2560	return TRUE;
2561
2562	field = new key_value;
2563
2564	field->key = canonical_key;
2565	field->value = value;
2566	/* Usual prepend-addition. */
2567	field->next = op->key_values;
2568	op->key_values = field;
2569
2570	return TRUE;
2571	}
2572
2573	/*
2574	* Updates the key in op to value.
2575	*
2576	* If add_key is FALSE, this will only update existing keys,
2577	* and not add new ones.
2578	* In general, should be little reason FALSE is ever passed in for add_key
2579	*
2580	* Returns TRUE on success.
2581	*/
2582	int
2583	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2584	{
2585	shstr key_ (key);
2586
2587	return set_ob_key_value_s (op, key_, value, add_key);
2588	}	2344	}
2589		2345
2590	object::depth_iterator::depth_iterator (object *container)	2346	object::depth_iterator::depth_iterator (object *container)
2591	: iterator_base (container)	2347	: iterator_base (container)
2592	{	2348	{
…		…
2606	}	2362	}
2607	else	2363	else
2608	item = item->env;	2364	item = item->env;
2609	}	2365	}
2610		2366
		2367	const char *
		2368	object::flag_desc (char *desc, int len) const
		2369	{
		2370	char *p = desc;
		2371	bool first = true;
		2372
		2373	*p = 0;
		2374
		2375	for (int i = 0; i < NUM_FLAGS; i++)
		2376	{
		2377	if (len <= 10) // magic constant!
		2378	{
		2379	snprintf (p, len, ",...");
		2380	break;
		2381	}
		2382
		2383	if (flag [i])
		2384	{
		2385	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2386	len -= cnt;
		2387	p += cnt;
		2388	first = false;
		2389	}
		2390	}
		2391
		2392	return desc;
		2393	}
		2394
2611	// return a suitable string describing an objetc in enough detail to find it	2395	// return a suitable string describing an object in enough detail to find it
2612	const char *	2396	const char *
2613	object::debug_desc (char *info) const	2397	object::debug_desc (char *info) const
2614	{	2398	{
		2399	char flagdesc[512];
2615	char info2[256 * 3];	2400	char info2[256 * 4];
2616	char *p = info;	2401	char *p = info;
2617		2402
2618	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2403	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2619	count,	2404	count,
		2405	uuid.c_str (),
2620	&name,	2406	&name,
2621	title ? " " : "",	2407	title ? ",title:\"" : "",
2622	title ? (const char *)title : "");	2408	title ? (const char *)title : "",
		2409	title ? "\"" : "",
		2410	flag_desc (flagdesc, 512), type);
2623		2411
2624	if (env)	2412	if (!flag[FLAG_REMOVED] && env)
2625	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2413	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2626		2414
2627	if (map)	2415	if (map)
2628	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2416	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2629		2417
2630	return info;	2418	return info;
2631	}	2419	}
2632		2420
2633	const char *	2421	const char *
2634	object::debug_desc () const	2422	object::debug_desc () const
2635	{	2423	{
2636	static char info[256 * 3];	2424	static char info[3][256 * 4];
		2425	static int info_idx;
		2426
2637	return debug_desc (info);	2427	return debug_desc (info [++info_idx % 3]);
2638	}	2428	}
2639		2429
		2430	struct region *
		2431	object::region () const
		2432	{
		2433	return map ? map->region (x, y)
		2434	: region::default_region ();
		2435	}
		2436
		2437	const materialtype_t *
		2438	object::dominant_material () const
		2439	{
		2440	if (materialtype_t *mt = name_to_material (materialname))
		2441	return mt;
		2442
		2443	return name_to_material (shstr_unknown);
		2444	}
		2445
		2446	void
		2447	object::open_container (object *new_container)
		2448	{
		2449	if (container == new_container)
		2450	return;
		2451
		2452	object *old_container = container;
		2453
		2454	if (old_container)
		2455	{
		2456	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2457	return;
		2458
		2459	#if 0
		2460	// remove the "Close old_container" object.
		2461	if (object *closer = old_container->inv)
		2462	if (closer->type == CLOSE_CON)
		2463	closer->destroy ();
		2464	#endif
		2465
		2466	// make sure the container is available
		2467	esrv_send_item (this, old_container);
		2468
		2469	old_container->flag [FLAG_APPLIED] = false;
		2470	container = 0;
		2471
		2472	// client needs item update to make it work, client bug requires this to be separate
		2473	esrv_update_item (UPD_FLAGS, this, old_container);
		2474
		2475	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2476	play_sound (sound_find ("chest_close"));
		2477	}
		2478
		2479	if (new_container)
		2480	{
		2481	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2482	return;
		2483
		2484	// TODO: this does not seem to serve any purpose anymore?
		2485	#if 0
		2486	// insert the "Close Container" object.
		2487	if (archetype *closer = new_container->other_arch)
		2488	{
		2489	object *closer = arch_to_object (new_container->other_arch);
		2490	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2491	new_container->insert (closer);
		2492	}
		2493	#endif
		2494
		2495	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2496
		2497	// make sure the container is available, client bug requires this to be separate
		2498	esrv_send_item (this, new_container);
		2499
		2500	new_container->flag [FLAG_APPLIED] = true;
		2501	container = new_container;
		2502
		2503	// client needs flag change
		2504	esrv_update_item (UPD_FLAGS, this, new_container);
		2505	esrv_send_inventory (this, new_container);
		2506	play_sound (sound_find ("chest_open"));
		2507	}
		2508	// else if (!old_container->env && contr && contr->ns)
		2509	// contr->ns->floorbox_reset ();
		2510	}
		2511
		2512	object *
		2513	object::force_find (shstr_tmp name)
		2514	{
		2515	/* cycle through his inventory to look for the MARK we want to
		2516	* place
		2517	*/
		2518	for (object *tmp = inv; tmp; tmp = tmp->below)
		2519	if (tmp->type == FORCE && tmp->slaying == name)
		2520	return splay (tmp);
		2521
		2522	return 0;
		2523	}
		2524
		2525	//-GPL
		2526
		2527	void
		2528	object::force_set_timer (int duration)
		2529	{
		2530	this->duration = 1;
		2531	this->speed_left = -1.f;
		2532
		2533	this->set_speed (duration ? 1.f / duration : 0.f);
		2534	}
		2535
		2536	object *
		2537	object::force_add (shstr_tmp name, int duration)
		2538	{
		2539	if (object *force = force_find (name))
		2540	force->destroy ();
		2541
		2542	object *force = get_archetype (FORCE_NAME);
		2543
		2544	force->slaying = name;
		2545	force->force_set_timer (duration);
		2546	force->flag [FLAG_APPLIED] = true;
		2547
		2548	return insert (force);
		2549	}
		2550
		2551	void
		2552	object::play_sound (faceidx sound) const
		2553	{
		2554	if (!sound)
		2555	return;
		2556
		2557	if (is_on_map ())
		2558	map->play_sound (sound, x, y);
		2559	else if (object *pl = in_player ())
		2560	pl->contr->play_sound (sound);
		2561	}
		2562
		2563	void
		2564	object::say_msg (const char *msg) const
		2565	{
		2566	if (is_on_map ())
		2567	map->say_msg (msg, x, y);
		2568	else if (object *pl = in_player ())
		2569	pl->contr->play_sound (sound);
		2570	}
		2571
		2572	void
		2573	object::make_noise ()
		2574	{
		2575	// we do not model noise in the map, so instead put
		2576	// a temporary light into the noise source
		2577	// could use the map instead, but that's less reliable for our
		2578	// goal, which is to make invisibility a bit harder to exploit
		2579
		2580	// currently only works sensibly for players
		2581	if (!is_player ())
		2582	return;
		2583
		2584	// find old force, or create new one
		2585	object *force = force_find (shstr_noise_force);
		2586
		2587	if (force)
		2588	force->speed_left = -1.f; // patch old speed up
		2589	else
		2590	{
		2591	force = archetype::get (shstr_noise_force);
		2592
		2593	force->slaying = shstr_noise_force;
		2594	force->stats.food = 1;
		2595	force->speed_left = -1.f;
		2596
		2597	force->set_speed (1.f / 4.f);
		2598	force->flag [FLAG_IS_USED_UP] = true;
		2599	force->flag [FLAG_APPLIED] = true;
		2600
		2601	insert (force);
		2602	}
		2603	}
		2604

Diff Legend

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