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Comparing deliantra/server/common/object.C (file contents):
Revision 1.93 by root, Tue Dec 26 20:04:09 2006 UTC vs.
Revision 1.297 by root, Sat Nov 7 18:30:05 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	|| fabs (ob1->speed - ob2->speed) < MIN_ACTIVE_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	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) < (1.f / 1024.f)
		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	dst->set_speed (dst->speed);	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	/*
…		…
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	object::set_speed (float speed)	682	object::set_speed (float speed)
560	{	683	{
561	extern int arch_init;
562
563	/* No reason putting the archetypes objects on the speed list,
564	* since they never really need to be updated.
565	*/
566	if (flag [FLAG_FREED] && speed)
567	{
568	LOG (llevError, "Object %s is freed but has speed.\n", &name);
569	speed = 0;
570	}
571
572	this->speed = speed;	684	this->speed = speed;
573		685
574	if (arch_init)	686	if (has_active_speed ())
575	return;	687	activate ();
576
577	if (FABS (speed) > MIN_ACTIVE_SPEED)
578	{
579	/* If already on active list, don't do anything */
580	if (active_next || active_prev || this == active_objects)
581	return;
582
583	/* process_events() expects us to insert the object at the beginning
584	* of the list. */
585	active_next = active_objects;
586
587	if (active_next)
588	active_next->active_prev = this;
589
590	active_objects = this;
591	}
592	else	688	else
593	{	689	deactivate ();
594	/* If not on the active list, nothing needs to be done */
595	if (!active_next && !active_prev && this != active_objects)
596	return;
597
598	if (!active_prev)
599	{
600	active_objects = active_next;
601
602	if (active_next)
603	active_next->active_prev = 0;
604	}
605	else
606	{
607	active_prev->active_next = active_next;
608
609	if (active_next)
610	active_next->active_prev = active_prev;
611	}
612
613	active_next = 0;
614	active_prev = 0;
615	}
616	}
617
618	/* This function removes object 'op' from the list of active
619	* objects.
620	* This should only be used for style maps or other such
621	* reference maps where you don't want an object that isn't
622	* in play chewing up cpu time getting processed.
623	* The reverse of this is to call update_ob_speed, which
624	* will do the right thing based on the speed of the object.
625	*/
626	void
627	remove_from_active_list (object *op)
628	{
629	/* If not on the active list, nothing needs to be done */
630	if (!op->active_next && !op->active_prev && op != active_objects)
631	return;
632
633	if (op->active_prev == NULL)
634	{
635	active_objects = op->active_next;
636	if (op->active_next != NULL)
637	op->active_next->active_prev = NULL;
638	}
639	else
640	{
641	op->active_prev->active_next = op->active_next;
642	if (op->active_next)
643	op->active_next->active_prev = op->active_prev;
644	}
645	op->active_next = NULL;
646	op->active_prev = NULL;
647	}	690	}
648		691
649	/*	692	/*
650	* update_object() updates the the map.	693	* update_object() updates the the map.
651	* It takes into account invisible objects (and represent squares covered	694	* It takes into account invisible objects (and represent squares covered
…		…
664	* UP_OBJ_FACE: only the objects face has changed.	707	* UP_OBJ_FACE: only the objects face has changed.
665	*/	708	*/
666	void	709	void
667	update_object (object *op, int action)	710	update_object (object *op, int action)
668	{	711	{
669	MoveType move_on, move_off, move_block, move_slow;	712	if (!op)
670
671	if (op == NULL)
672	{	713	{
673	/* this should never happen */	714	/* this should never happen */
674	LOG (llevDebug, "update_object() called for NULL object.\n");	715	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
675	return;	716	return;
676	}	717	}
677		718
678	if (op->env)	719	if (!op->is_on_map ())
679	{	720	{
680	/* Animation is currently handled by client, so nothing	721	/* Animation is currently handled by client, so nothing
681	* to do in this case.	722	* to do in this case.
682	*/	723	*/
683	return;	724	return;
684	}	725	}
685
686	/* If the map is saving, don't do anything as everything is
687	* going to get freed anyways.
688	*/
689	if (!op->map || op->map->in_memory == MAP_SAVING)
690	return;
691		726
692	/* make sure the object is within map boundaries */	727	/* make sure the object is within map boundaries */
693	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	728	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
694	{	729	{
695	LOG (llevError, "update_object() called for object out of map!\n");	730	LOG (llevError, "update_object() called for object out of map!\n");
…		…
699	return;	734	return;
700	}	735	}
701		736
702	mapspace &m = op->ms ();	737	mapspace &m = op->ms ();
703		738
704	if (m.flags_ & P_NEED_UPDATE)	739	if (!(m.flags_ & P_UPTODATE))
705	/* nop */;	740	/* nop */;
706	else if (action == UP_OBJ_INSERT)	741	else if (action == UP_OBJ_INSERT)
707	{	742	{
		743	#if 0
708	// this is likely overkill, TODO: revisit (schmorp)	744	// this is likely overkill, TODO: revisit (schmorp)
709	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	745	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
710	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	746	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
711	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	747	|| (op->is_player () && !(m.flags_ & P_PLAYER))
712	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	748	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
713	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	749	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
714	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	750	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
715	|| (m.move_on | op->move_on ) != m.move_on	751	|| (m.move_on | op->move_on ) != m.move_on
716	|| (m.move_off | op->move_off ) != m.move_off	752	|| (m.move_off | op->move_off ) != m.move_off
717	|| (m.move_slow | op->move_slow) != m.move_slow	753	|| (m.move_slow | op->move_slow) != m.move_slow
718	/* This isn't perfect, but I don't expect a lot of objects to	754	/* This isn't perfect, but I don't expect a lot of objects to
719	* to have move_allow right now.	755	* have move_allow right now.
720	*/	756	*/
721	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	757	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		758	m.invalidate ();
		759	#else
722	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	760	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
723	m.flags_ = P_NEED_UPDATE;	761	m.invalidate ();
		762	#endif
724	}	763	}
725	/* if the object is being removed, we can't make intelligent	764	/* if the object is being removed, we can't make intelligent
726	* decisions, because remove_ob can't really pass the object	765	* decisions, because remove_ob can't really pass the object
727	* that is being removed.	766	* that is being removed.
728	*/	767	*/
729	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	768	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
730	m.flags_ = P_NEED_UPDATE;	769	m.invalidate ();
731	else if (action == UP_OBJ_FACE)	770	else if (action == UP_OBJ_FACE)
732	/* Nothing to do for that case */ ;	771	/* Nothing to do for that case */ ;
733	else	772	else
734	LOG (llevError, "update_object called with invalid action: %d\n", action);	773	LOG (llevError, "update_object called with invalid action: %d\n", action);
735		774
736	if (op->more)	775	if (op->more)
737	update_object (op->more, action);	776	update_object (op->more, action);
738	}	777	}
739		778
740	object::vector object::objects; // not yet used
741	object *object::first;
742
743	object::object ()	779	object::object ()
744	{	780	{
745	SET_FLAG (this, FLAG_REMOVED);	781	SET_FLAG (this, FLAG_REMOVED);
746		782
747	expmul = 1.0;	783	//expmul = 1.0; declared const for the time being
748	face = blank_face;	784	face = blank_face;
749	}	785	}
750		786
751	object::~object ()	787	object::~object ()
752	{	788	{
		789	unlink ();
		790
753	free_key_values (this);	791	free_key_values (this);
754	}	792	}
755		793
		794	static int object_count;
		795
756	void object::link ()	796	void object::link ()
757	{	797	{
		798	assert (!index);//D
		799	uuid = UUID::gen ();
758	count = ++ob_count;	800	count = ++object_count;
759	uuid = gen_uuid ();
760		801
761	prev = 0;	802	refcnt_inc ();
762	next = object::first;	803	objects.insert (this);
763
764	if (object::first)
765	object::first->prev = this;
766
767	object::first = this;
768	}	804	}
769		805
770	void object::unlink ()	806	void object::unlink ()
771	{	807	{
772	if (this == object::first)	808	if (!index)
773	object::first = next;	809	return;
774		810
775	/* Remove this object from the list of used objects */	811	objects.erase (this);
776	if (prev) prev->next = next;	812	refcnt_dec ();
777	if (next) next->prev = prev;	813	}
778		814
779	prev = 0;	815	void
780	next = 0;	816	object::activate ()
		817	{
		818	/* If already on active list, don't do anything */
		819	if (active)
		820	return;
		821
		822	if (has_active_speed ())
		823	{
		824	if (flag [FLAG_FREED])
		825	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		826
		827	actives.insert (this);
		828	}
		829	}
		830
		831	void
		832	object::activate_recursive ()
		833	{
		834	activate ();
		835
		836	for (object *op = inv; op; op = op->below)
		837	op->activate_recursive ();
		838	}
		839
		840	/* This function removes object 'op' from the list of active
		841	* objects.
		842	* This should only be used for style maps or other such
		843	* reference maps where you don't want an object that isn't
		844	* in play chewing up cpu time getting processed.
		845	* The reverse of this is to call update_ob_speed, which
		846	* will do the right thing based on the speed of the object.
		847	*/
		848	void
		849	object::deactivate ()
		850	{
		851	/* If not on the active list, nothing needs to be done */
		852	if (!active)
		853	return;
		854
		855	actives.erase (this);
		856	}
		857
		858	void
		859	object::deactivate_recursive ()
		860	{
		861	for (object *op = inv; op; op = op->below)
		862	op->deactivate_recursive ();
		863
		864	deactivate ();
		865	}
		866
		867	void
		868	object::set_flag_inv (int flag, int value)
		869	{
		870	for (object *op = inv; op; op = op->below)
		871	{
		872	op->flag [flag] = value;
		873	op->set_flag_inv (flag, value);
		874	}
781	}	875	}
782		876
783	/*	877	/*
784	* Remove and free all objects in the inventory of the given object.	878	* Remove and free all objects in the inventory of the given object.
785	* object.c ?	879	* object.c ?
786	*/	880	*/
787	void	881	void
788	object::destroy_inv (bool drop_to_ground)	882	object::destroy_inv (bool drop_to_ground)
789	{	883	{
		884	// need to check first, because the checks below might segfault
		885	// as we might be on an invalid mapspace and crossfire code
		886	// is too buggy to ensure that the inventory is empty.
		887	// corollary: if you create arrows etc. with stuff in its inventory,
		888	// cf will crash below with off-map x and y
		889	if (!inv)
		890	return;
		891
790	/* Only if the space blocks everything do we not process -	892	/* Only if the space blocks everything do we not process -
791	* if some form of movement is allowed, let objects	893	* if some form of movement is allowed, let objects
792	* drop on that space.	894	* drop on that space.
793	*/	895	*/
794	if (!drop_to_ground	896	if (!drop_to_ground
795	|| !map	897	|| !map
796	|| map->in_memory != MAP_IN_MEMORY	898	|| map->in_memory != MAP_ACTIVE
		899	|| map->no_drop
797	|| map->at (x, y).move_block == MOVE_ALL)	900	|| ms ().move_block == MOVE_ALL)
798	{	901	{
799	while (inv)	902	while (inv)
800	{
801	inv->destroy_inv (drop_to_ground);
802	inv->destroy ();	903	inv->destroy ();
803	}
804	}	904	}
805	else	905	else
806	{ /* Put objects in inventory onto this space */	906	{ /* Put objects in inventory onto this space */
807	while (inv)	907	while (inv)
808	{	908	{
…		…
810		910
811	if (op->flag [FLAG_STARTEQUIP]	911	if (op->flag [FLAG_STARTEQUIP]
812	|| op->flag [FLAG_NO_DROP]	912	|| op->flag [FLAG_NO_DROP]
813	|| op->type == RUNE	913	|| op->type == RUNE
814	|| op->type == TRAP	914	|| op->type == TRAP
815	|| op->flag [FLAG_IS_A_TEMPLATE])	915	|| op->flag [FLAG_IS_A_TEMPLATE]
		916	|| op->flag [FLAG_DESTROY_ON_DEATH])
816	op->destroy ();	917	op->destroy ();
817	else	918	else
818	map->insert (op, x, y);	919	map->insert (op, x, y);
819	}	920	}
820	}	921	}
…		…
825	object *op = new object;	926	object *op = new object;
826	op->link ();	927	op->link ();
827	return op;	928	return op;
828	}	929	}
829		930
		931	static struct freed_map : maptile
		932	{
		933	freed_map ()
		934	{
		935	path = "<freed objects map>";
		936	name = "/internal/freed_objects_map";
		937	width = 3;
		938	height = 3;
		939	no_drop = 1;
		940	no_reset = 1;
		941
		942	alloc ();
		943	in_memory = MAP_ACTIVE;
		944	}
		945
		946	~freed_map ()
		947	{
		948	destroy ();
		949	}
		950	} freed_map; // freed objects are moved here to avoid crashes
		951
830	void	952	void
831	object::do_destroy ()	953	object::do_destroy ()
832	{	954	{
833	if (flag [FLAG_IS_LINKED])	955	if (flag [FLAG_IS_LINKED])
834	remove_button_link (this);	956	remove_link ();
835		957
836	if (flag [FLAG_FRIENDLY])	958	if (flag [FLAG_FRIENDLY])
837	remove_friendly_object (this);	959	remove_friendly_object (this);
838		960
839	if (!flag [FLAG_REMOVED])
840	remove ();	961	remove ();
841		962
842	if (flag [FLAG_FREED])	963	attachable::do_destroy ();
843	return;
844		964
845	set_speed (0);	965	deactivate ();
		966	unlink ();
846		967
847	flag [FLAG_FREED] = 1;	968	flag [FLAG_FREED] = 1;
848		969
849	attachable::do_destroy ();
850
851	destroy_inv (true);
852	unlink ();
853
854	// hack to ensure that freed objects still have a valid map	970	// hack to ensure that freed objects still have a valid map
855	{
856	static maptile *freed_map; // freed objects are moved here to avoid crashes
857
858	if (!freed_map)
859	{
860	freed_map = new maptile;
861
862	freed_map->name = "/internal/freed_objects_map";
863	freed_map->width = 3;
864	freed_map->height = 3;
865
866	freed_map->allocate ();
867	}
868
869	map = freed_map;	971	map = &freed_map;
870	x = 1;	972	x = 1;
871	y = 1;	973	y = 1;
872	}
873
874	head = 0;
875		974
876	if (more)	975	if (more)
877	{	976	{
878	more->destroy ();	977	more->destroy ();
879	more = 0;	978	more = 0;
880	}	979	}
881		980
		981	head = 0;
		982
882	// clear those pointers that likely might have circular references to us	983	// clear those pointers that likely might cause circular references
883	owner = 0;	984	owner = 0;
884	enemy = 0;	985	enemy = 0;
885	attacked_by = 0;	986	attacked_by = 0;
886		987	current_weapon = 0;
887	// only relevant for players(?), but make sure of it anyways
888	contr = 0;
889	}	988	}
890		989
891	void	990	void
892	object::destroy (bool destroy_inventory)	991	object::destroy ()
893	{	992	{
894	if (destroyed ())	993	if (destroyed ())
895	return;	994	return;
896		995
897	if (destroy_inventory)	996	if (!is_head () && !head->destroyed ())
		997	{
		998	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		999	head->destroy ();
		1000	return;
		1001	}
		1002
898	destroy_inv (false);	1003	destroy_inv (false);
		1004
		1005	if (is_head ())
		1006	if (sound_destroy)
		1007	play_sound (sound_destroy);
		1008	else if (flag [FLAG_MONSTER])
		1009	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
899		1010
900	attachable::destroy ();	1011	attachable::destroy ();
901	}
902
903	/*
904	* sub_weight() recursively (outwards) subtracts a number from the
905	* weight of an object (and what is carried by it's environment(s)).
906	*/
907	void
908	sub_weight (object *op, signed long weight)
909	{
910	while (op != NULL)
911	{
912	if (op->type == CONTAINER)
913	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
914
915	op->carrying -= weight;
916	op = op->env;
917	}
918	}	1012	}
919		1013
920	/* op->remove ():	1014	/* op->remove ():
921	* This function removes the object op from the linked list of objects	1015	* This function removes the object op from the linked list of objects
922	* which it is currently tied to. When this function is done, the	1016	* which it is currently tied to. When this function is done, the
923	* object will have no environment. If the object previously had an	1017	* object will have no environment. If the object previously had an
924	* environment, the x and y coordinates will be updated to	1018	* environment, the x and y coordinates will be updated to
925	* the previous environment.	1019	* the previous environment.
926	* Beware: This function is called from the editor as well!
927	*/	1020	*/
928	void	1021	void
929	object::remove ()	1022	object::do_remove ()
930	{	1023	{
931	object *tmp, *last = 0;	1024	if (flag [FLAG_REMOVED])
932	object *otmp;
933
934	if (QUERY_FLAG (this, FLAG_REMOVED))
935	return;	1025	return;
936		1026
937	SET_FLAG (this, FLAG_REMOVED);
938	INVOKE_OBJECT (REMOVE, this);	1027	INVOKE_OBJECT (REMOVE, this);
		1028
		1029	flag [FLAG_REMOVED] = true;
939		1030
940	if (more)	1031	if (more)
941	more->remove ();	1032	more->remove ();
942		1033
943	/*	1034	/*
944	* In this case, the object to be removed is in someones	1035	* In this case, the object to be removed is in someones
945	* inventory.	1036	* inventory.
946	*/	1037	*/
947	if (env)	1038	if (env)
948	{	1039	{
949	if (nrof)	1040	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
950	sub_weight (env, weight * nrof);	1041	if (object *pl = visible_to ())
951	else	1042	esrv_del_item (pl->contr, count);
952	sub_weight (env, weight + carrying);	1043	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1044
		1045	adjust_weight (env, -total_weight ());
		1046
		1047	object *pl = in_player ();
		1048
		1049	/* we set up values so that it could be inserted into
		1050	* the map, but we don't actually do that - it is up
		1051	* to the caller to decide what we want to do.
		1052	*/
		1053	map = env->map;
		1054	x = env->x;
		1055	y = env->y;
		1056
		1057	// make sure cmov optimisation is applicable
		1058	*(above ? &above->below : &env->inv) = below;
		1059	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1060
		1061	above = 0;
		1062	below = 0;
		1063	env = 0;
953		1064
954	/* NO_FIX_PLAYER is set when a great many changes are being	1065	/* NO_FIX_PLAYER is set when a great many changes are being
955	* made to players inventory. If set, avoiding the call	1066	* made to players inventory. If set, avoiding the call
956	* to save cpu time.	1067	* to save cpu time.
957	*/	1068	*/
958	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1069	if (pl)
		1070	if (pl->is_player () && (glow_radius || !QUERY_FLAG (pl, FLAG_NO_FIX_PLAYER)))
		1071	{
959	otmp->update_stats ();	1072	pl->update_stats ();
960		1073
961	if (above != NULL)	1074	if (glow_radius && pl->is_on_map ())
962	above->below = below;	1075	update_all_los (pl->map, pl->x, pl->y);
963	else	1076	}
964	env->inv = below;
965
966	if (below != NULL)
967	below->above = above;
968
969	/* we set up values so that it could be inserted into
970	* the map, but we don't actually do that - it is up
971	* to the caller to decide what we want to do.
972	*/
973	x = env->x, y = env->y;
974	map = env->map;
975	above = 0, below = 0;
976	env = 0;
977	}	1077	}
978	else if (map)	1078	else if (map)
979	{	1079	{
980	/* Re did the following section of code - it looks like it had	1080	map->dirty = true;
981	* lots of logic for things we no longer care about	1081	mapspace &ms = this->ms ();
		1082
		1083	if (object *pl = ms.player ())
982	*/	1084	{
		1085	if (is_player ())
		1086	{
		1087	if (!flag [FLAG_WIZPASS])
		1088	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1089
		1090	// leaving a spot always closes any open container on the ground
		1091	if (container && !container->env)
		1092	// this causes spurious floorbox updates, but it ensures
		1093	// that the CLOSE event is being sent.
		1094	close_container ();
		1095
		1096	--map->players;
		1097	map->touch ();
		1098	}
		1099	else if (pl->container_ () == this)
		1100	{
		1101	// removing a container should close it
		1102	close_container ();
		1103	}
		1104
		1105	esrv_del_item (pl->contr, count);
		1106	}
983		1107
984	/* link the object above us */	1108	/* link the object above us */
985	if (above)	1109	// re-link, make sure compiler can easily use cmove
986	above->below = below;	1110	*(above ? &above->below : &ms.top) = below;
987	else	1111	*(below ? &below->above : &ms.bot) = above;
988	map->at (x, y).top = below; /* we were top, set new top */
989
990	/* Relink the object below us, if there is one */
991	if (below)
992	below->above = above;
993	else
994	{
995	/* Nothing below, which means we need to relink map object for this space
996	* use translated coordinates in case some oddness with map tiling is
997	* evident
998	*/
999	if (GET_MAP_OB (map, x, y) != this)
1000	{
1001	char *dump = dump_object (this);
1002	LOG (llevError,
1003	"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);
1004	free (dump);
1005	dump = dump_object (GET_MAP_OB (map, x, y));
1006	LOG (llevError, "%s\n", dump);
1007	free (dump);
1008	}
1009
1010	map->at (x, y).bot = above; /* goes on above it. */
1011	}
1012		1112
1013	above = 0;	1113	above = 0;
1014	below = 0;	1114	below = 0;
1015		1115
		1116	ms.invalidate ();
		1117
1016	if (map->in_memory == MAP_SAVING)	1118	if (map->in_memory == MAP_SAVING)
1017	return;	1119	return;
1018		1120
1019	int check_walk_off = !flag [FLAG_NO_APPLY];	1121	int check_walk_off = !flag [FLAG_NO_APPLY];
1020		1122
1021	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1123	if (object *pl = ms.player ())
1022	{	1124	{
1023	/* No point updating the players look faces if he is the object	1125	if (pl->container_ () == this)
1024	* being removed.
1025	*/
1026
1027	if (tmp->type == PLAYER && tmp != this)
1028	{
1029	/* If a container that the player is currently using somehow gets	1126	/* If a container that the player is currently using somehow gets
1030	* removed (most likely destroyed), update the player view	1127	* removed (most likely destroyed), update the player view
1031	* appropriately.	1128	* appropriately.
1032	*/	1129	*/
1033	if (tmp->container == this)	1130	pl->close_container ();
1034	{
1035	flag [FLAG_APPLIED] = 0;
1036	tmp->container = 0;
1037	}
1038		1131
		1132	//TODO: the floorbox prev/next might need updating
		1133	//esrv_del_item (pl->contr, count);
		1134	//TODO: update floorbox to preserve ordering
1039	if (tmp->contr->ns)	1135	if (pl->contr->ns)
1040	tmp->contr->ns->floorbox_update ();	1136	pl->contr->ns->floorbox_update ();
		1137	}
		1138
		1139	if (check_walk_off)
		1140	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1141	{
		1142	above = tmp->above;
		1143
		1144	/* No point updating the players look faces if he is the object
		1145	* being removed.
1041	}	1146	*/
1042		1147
1043	/* See if player moving off should effect something */	1148	/* See if object moving off should effect something */
1044	if (check_walk_off
1045	&& ((move_type & tmp->move_off)	1149	if ((move_type & tmp->move_off)
1046	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1150	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1047	{
1048	move_apply (tmp, this, 0);	1151	move_apply (tmp, this, 0);
1049
1050	if (destroyed ())
1051	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1052	}	1152	}
1053		1153
1054	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1154	if (affects_los ())
1055
1056	if (tmp->above == tmp)
1057	tmp->above = 0;
1058
1059	last = tmp;
1060	}
1061
1062	/* last == NULL of there are no objects on this space */
1063	if (!last)
1064	map->at (x, y).flags_ = P_NEED_UPDATE;
1065	else
1066	update_object (last, UP_OBJ_REMOVE);
1067
1068	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1069	update_all_los (map, x, y);	1155	update_all_los (map, x, y);
1070	}	1156	}
1071	}	1157	}
1072		1158
1073	/*	1159	/*
…		…
1082	merge_ob (object *op, object *top)	1168	merge_ob (object *op, object *top)
1083	{	1169	{
1084	if (!op->nrof)	1170	if (!op->nrof)
1085	return 0;	1171	return 0;
1086		1172
1087	if (top)	1173	if (!top)
1088	for (top = op; top && top->above; top = top->above)	1174	for (top = op; top && top->above; top = top->above)
1089	;	1175	;
1090		1176
1091	for (; top; top = top->below)	1177	for (; top; top = top->below)
1092	{
1093	if (top == op)
1094	continue;
1095
1096	if (object::can_merge (op, top))	1178	if (object::can_merge (op, top))
1097	{	1179	{
1098	top->nrof += op->nrof;	1180	top->nrof += op->nrof;
1099		1181
1100	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1182	if (object *pl = top->visible_to ())
1101	op->weight = 0; /* Don't want any adjustements now */	1183	esrv_update_item (UPD_NROF, pl, top);
		1184
		1185	op->weight = 0; // cancel the addition above
		1186	op->carrying = 0; // must be 0 already
		1187
1102	op->destroy ();	1188	op->destroy ();
		1189
1103	return top;	1190	return top;
1104	}	1191	}
1105	}
1106		1192
1107	return 0;	1193	return 0;
1108	}	1194	}
1109		1195
		1196	void
		1197	object::expand_tail ()
		1198	{
		1199	if (more)
		1200	return;
		1201
		1202	object *prev = this;
		1203
		1204	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1205	{
		1206	object *op = arch_to_object (at);
		1207
		1208	op->name = name;
		1209	op->name_pl = name_pl;
		1210	op->title = title;
		1211
		1212	op->head = this;
		1213	prev->more = op;
		1214
		1215	prev = op;
		1216	}
		1217	}
		1218
1110	/*	1219	/*
1111	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1220	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1112	* job preparing multi-part monsters	1221	* job preparing multi-part monsters.
1113	*/	1222	*/
1114	object *	1223	object *
1115	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1224	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1116	{	1225	{
		1226	op->remove ();
		1227
1117	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1228	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1118	{	1229	{
1119	tmp->x = x + tmp->arch->clone.x;	1230	tmp->x = x + tmp->arch->x;
1120	tmp->y = y + tmp->arch->clone.y;	1231	tmp->y = y + tmp->arch->y;
1121	}	1232	}
1122		1233
1123	return insert_ob_in_map (op, m, originator, flag);	1234	return insert_ob_in_map (op, m, originator, flag);
1124	}	1235	}
1125		1236
…		…
1144	* just 'op' otherwise	1255	* just 'op' otherwise
1145	*/	1256	*/
1146	object *	1257	object *
1147	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1258	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1148	{	1259	{
1149	object *tmp, *top, *floor = NULL;	1260	op->remove ();
1150	sint16 x, y;
1151		1261
1152	if (QUERY_FLAG (op, FLAG_FREED))	1262	if (m == &freed_map)//D TODO: remove soon
1153	{	1263	{//D
1154	LOG (llevError, "Trying to insert freed object!\n");	1264	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1155	return NULL;
1156	}	1265	}//D
1157
1158	if (m == NULL)
1159	{
1160	char *dump = dump_object (op);
1161	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1162	free (dump);
1163	return op;
1164	}
1165
1166	if (out_of_map (m, op->x, op->y))
1167	{
1168	char *dump = dump_object (op);
1169	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1170	#ifdef MANY_CORES
1171	/* Better to catch this here, as otherwise the next use of this object
1172	* is likely to cause a crash. Better to find out where it is getting
1173	* improperly inserted.
1174	*/
1175	abort ();
1176	#endif
1177	free (dump);
1178	return op;
1179	}
1180
1181	if (!QUERY_FLAG (op, FLAG_REMOVED))
1182	{
1183	char *dump = dump_object (op);
1184	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1185	free (dump);
1186	return op;
1187	}
1188
1189	if (op->more)
1190	{
1191	/* The part may be on a different map. */
1192
1193	object *more = op->more;
1194
1195	/* We really need the caller to normalize coordinates - if
1196	* we set the map, that doesn't work if the location is within
1197	* a map and this is straddling an edge. So only if coordinate
1198	* is clear wrong do we normalize it.
1199	*/
1200	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1201	more->map = get_map_from_coord (m, &more->x, &more->y);
1202	else if (!more->map)
1203	{
1204	/* For backwards compatibility - when not dealing with tiled maps,
1205	* more->map should always point to the parent.
1206	*/
1207	more->map = m;
1208	}
1209
1210	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1211	{
1212	if (!op->head)
1213	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1214
1215	return 0;
1216	}
1217	}
1218
1219	CLEAR_FLAG (op, FLAG_REMOVED);
1220		1266
1221	/* Ideally, the caller figures this out. However, it complicates a lot	1267	/* Ideally, the caller figures this out. However, it complicates a lot
1222	* of areas of callers (eg, anything that uses find_free_spot would now	1268	* of areas of callers (eg, anything that uses find_free_spot would now
1223	* need extra work	1269	* need extra work
1224	*/	1270	*/
1225	op->map = get_map_from_coord (m, &op->x, &op->y);	1271	maptile *newmap = m;
1226	x = op->x;	1272	if (!xy_normalise (newmap, op->x, op->y))
1227	y = op->y;	1273	{
		1274	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
		1275	return 0;
		1276	}
		1277
		1278	if (object *more = op->more)
		1279	if (!insert_ob_in_map (more, m, originator, flag))
		1280	return 0;
		1281
		1282	op->flag [FLAG_REMOVED] = false;
		1283	op->env = 0;
		1284	op->map = newmap;
		1285
		1286	mapspace &ms = op->ms ();
1228		1287
1229	/* this has to be done after we translate the coordinates.	1288	/* this has to be done after we translate the coordinates.
1230	*/	1289	*/
1231	if (op->nrof && !(flag & INS_NO_MERGE))	1290	if (op->nrof && !(flag & INS_NO_MERGE))
1232	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1291	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1233	if (object::can_merge (op, tmp))	1292	if (object::can_merge (op, tmp))
1234	{	1293	{
		1294	// TODO: we actually want to update tmp, not op,
		1295	// but some caller surely breaks when we return tmp
		1296	// from here :/
1235	op->nrof += tmp->nrof;	1297	op->nrof += tmp->nrof;
1236	tmp->destroy ();	1298	tmp->destroy ();
1237	}	1299	}
1238		1300
1239	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1301	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1248	{	1310	{
1249	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1311	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1250	abort ();	1312	abort ();
1251	}	1313	}
1252		1314
		1315	if (!originator->is_on_map ())
		1316	{
		1317	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1318	op->debug_desc (), originator->debug_desc ());
		1319	abort ();
		1320	}
		1321
1253	op->above = originator;	1322	op->above = originator;
1254	op->below = originator->below;	1323	op->below = originator->below;
1255
1256	if (op->below)
1257	op->below->above = op;
1258	else
1259	op->ms ().bot = op;
1260
1261	/* since *below* originator, no need to update top */
1262	originator->below = op;	1324	originator->below = op;
		1325
		1326	*(op->below ? &op->below->above : &ms.bot) = op;
1263	}	1327	}
1264	else	1328	else
1265	{	1329	{
		1330	object *floor = 0;
		1331	object *top = ms.top;
		1332
1266	/* If there are other objects, then */	1333	/* If there are other objects, then */
1267	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1334	if (top)
1268	{	1335	{
1269	object *last = NULL;
1270
1271	/*	1336	/*
1272	* If there are multiple objects on this space, we do some trickier handling.	1337	* If there are multiple objects on this space, we do some trickier handling.
1273	* We've already dealt with merging if appropriate.	1338	* We've already dealt with merging if appropriate.
1274	* Generally, we want to put the new object on top. But if	1339	* Generally, we want to put the new object on top. But if
1275	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1340	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1278	* once we get to them. This reduces the need to traverse over all of	1343	* once we get to them. This reduces the need to traverse over all of
1279	* them when adding another one - this saves quite a bit of cpu time	1344	* them when adding another one - this saves quite a bit of cpu time
1280	* when lots of spells are cast in one area. Currently, it is presumed	1345	* when lots of spells are cast in one area. Currently, it is presumed
1281	* that flying non pickable objects are spell objects.	1346	* that flying non pickable objects are spell objects.
1282	*/	1347	*/
1283		1348	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1284	while (top != NULL)
1285	{	1349	{
1286	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1350	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1287	floor = top;	1351	floor = tmp;
1288		1352
1289	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1353	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1290	{	1354	{
1291	/* We insert above top, so we want this object below this */	1355	/* We insert above top, so we want this object below this */
1292	top = top->below;	1356	top = tmp->below;
1293	break;	1357	break;
1294	}	1358	}
1295		1359
1296	last = top;
1297	top = top->above;	1360	top = tmp;
1298	}	1361	}
1299
1300	/* Don't want top to be NULL, so set it to the last valid object */
1301	top = last;
1302		1362
1303	/* We let update_position deal with figuring out what the space	1363	/* We let update_position deal with figuring out what the space
1304	* looks like instead of lots of conditions here.	1364	* looks like instead of lots of conditions here.
1305	* makes things faster, and effectively the same result.	1365	* makes things faster, and effectively the same result.
1306	*/	1366	*/
1307		1367
1308	/* Have object 'fall below' other objects that block view.	1368	/* Have object 'fall below' other objects that block view.
1309	* Unless those objects are exits, type 66	1369	* Unless those objects are exits.
1310	* If INS_ON_TOP is used, don't do this processing	1370	* If INS_ON_TOP is used, don't do this processing
1311	* Need to find the object that in fact blocks view, otherwise	1371	* Need to find the object that in fact blocks view, otherwise
1312	* stacking is a bit odd.	1372	* stacking is a bit odd.
1313	*/	1373	*/
1314	if (!(flag & INS_ON_TOP) &&	1374	if (!(flag & INS_ON_TOP)
1315	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1375	&& ms.flags () & P_BLOCKSVIEW
		1376	&& (op->face && !faces [op->face].visibility))
1316	{	1377	{
		1378	object *last;
		1379
1317	for (last = top; last != floor; last = last->below)	1380	for (last = top; last != floor; last = last->below)
1318	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1381	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1319	break;	1382	break;
		1383
1320	/* Check to see if we found the object that blocks view,	1384	/* Check to see if we found the object that blocks view,
1321	* and make sure we have a below pointer for it so that	1385	* and make sure we have a below pointer for it so that
1322	* we can get inserted below this one, which requires we	1386	* we can get inserted below this one, which requires we
1323	* set top to the object below us.	1387	* set top to the object below us.
1324	*/	1388	*/
1325	if (last && last->below && last != floor)	1389	if (last && last->below && last != floor)
1326	top = last->below;	1390	top = last->below;
1327	}	1391	}
1328	} /* If objects on this space */	1392	} /* If objects on this space */
1329		1393
1330	if (flag & INS_MAP_LOAD)
1331	top = GET_MAP_TOP (op->map, op->x, op->y);
1332
1333	if (flag & INS_ABOVE_FLOOR_ONLY)	1394	if (flag & INS_ABOVE_FLOOR_ONLY)
1334	top = floor;	1395	top = floor;
1335		1396
1336	/* Top is the object that our object (op) is going to get inserted above.	1397	// insert object above top, or bottom-most if top = 0
1337	*/
1338
1339	/* First object on this space */
1340	if (!top)	1398	if (!top)
1341	{	1399	{
1342	op->above = GET_MAP_OB (op->map, op->x, op->y);
1343
1344	if (op->above)
1345	op->above->below = op;
1346
1347	op->below = NULL;	1400	op->below = 0;
		1401	op->above = ms.bot;
1348	op->ms ().bot = op;	1402	ms.bot = op;
		1403
		1404	*(op->above ? &op->above->below : &ms.top) = op;
1349	}	1405	}
1350	else	1406	else
1351	{ /* get inserted into the stack above top */	1407	{
1352	op->above = top->above;	1408	op->above = top->above;
1353
1354	if (op->above)
1355	op->above->below = op;	1409	top->above = op;
1356		1410
1357	op->below = top;	1411	op->below = top;
1358	top->above = op;	1412	*(op->above ? &op->above->below : &ms.top) = op;
1359	}	1413	}
		1414	}
1360		1415
1361	if (op->above == NULL)	1416	if (op->is_player ())
1362	op->ms ().top = op;	1417	{
1363	} /* else not INS_BELOW_ORIGINATOR */
1364
1365	if (op->type == PLAYER)
1366	op->contr->do_los = 1;	1418	op->contr->do_los = 1;
		1419	++op->map->players;
		1420	op->map->touch ();
		1421	}
1367		1422
1368	/* If we have a floor, we know the player, if any, will be above	1423	op->map->dirty = true;
1369	* it, so save a few ticks and start from there.	1424
1370	*/
1371	if (!(flag & INS_MAP_LOAD))
1372	if (object *pl = op->ms ().player ())	1425	if (object *pl = ms.player ())
		1426	//TODO: the floorbox prev/next might need updating
		1427	//esrv_send_item (pl, op);
		1428	//TODO: update floorbox to preserve ordering
1373	if (pl->contr->ns)	1429	if (pl->contr->ns)
1374	pl->contr->ns->floorbox_update ();	1430	pl->contr->ns->floorbox_update ();
1375		1431
1376	/* If this object glows, it may affect lighting conditions that are	1432	/* If this object glows, it may affect lighting conditions that are
1377	* visible to others on this map. But update_all_los is really	1433	* visible to others on this map. But update_all_los is really
1378	* an inefficient way to do this, as it means los for all players	1434	* an inefficient way to do this, as it means los for all players
1379	* on the map will get recalculated. The players could very well	1435	* on the map will get recalculated. The players could very well
1380	* be far away from this change and not affected in any way -	1436	* be far away from this change and not affected in any way -
1381	* this should get redone to only look for players within range,	1437	* this should get redone to only look for players within range,
1382	* or just updating the P_NEED_UPDATE for spaces within this area	1438	* or just updating the P_UPTODATE for spaces within this area
1383	* of effect may be sufficient.	1439	* of effect may be sufficient.
1384	*/	1440	*/
1385	if (op->map->darkness && (op->glow_radius != 0))	1441	if (op->affects_los ())
		1442	{
		1443	op->ms ().invalidate ();
1386	update_all_los (op->map, op->x, op->y);	1444	update_all_los (op->map, op->x, op->y);
		1445	}
1387		1446
1388	/* updates flags (blocked, alive, no magic, etc) for this map space */	1447	/* updates flags (blocked, alive, no magic, etc) for this map space */
1389	update_object (op, UP_OBJ_INSERT);	1448	update_object (op, UP_OBJ_INSERT);
1390		1449
1391	INVOKE_OBJECT (INSERT, op);	1450	INVOKE_OBJECT (INSERT, op);
…		…
1398	* blocked() and wall() work properly), and these flags are updated by	1457	* blocked() and wall() work properly), and these flags are updated by
1399	* update_object().	1458	* update_object().
1400	*/	1459	*/
1401		1460
1402	/* if this is not the head or flag has been passed, don't check walk on status */	1461	/* if this is not the head or flag has been passed, don't check walk on status */
1403	if (!(flag & INS_NO_WALK_ON) && !op->head)	1462	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1404	{	1463	{
1405	if (check_move_on (op, originator))	1464	if (check_move_on (op, originator))
1406	return 0;	1465	return 0;
1407		1466
1408	/* If we are a multi part object, lets work our way through the check	1467	/* If we are a multi part object, lets work our way through the check
1409	* walk on's.	1468	* walk on's.
1410	*/	1469	*/
1411	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1470	for (object *tmp = op->more; tmp; tmp = tmp->more)
1412	if (check_move_on (tmp, originator))	1471	if (check_move_on (tmp, originator))
1413	return 0;	1472	return 0;
1414	}	1473	}
1415		1474
1416	return op;	1475	return op;
…		…
1419	/* this function inserts an object in the map, but if it	1478	/* this function inserts an object in the map, but if it
1420	* finds an object of its own type, it'll remove that one first.	1479	* finds an object of its own type, it'll remove that one first.
1421	* op is the object to insert it under: supplies x and the map.	1480	* op is the object to insert it under: supplies x and the map.
1422	*/	1481	*/
1423	void	1482	void
1424	replace_insert_ob_in_map (const char *arch_string, object *op)	1483	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1425	{	1484	{
1426	object *tmp, *tmp1;
1427
1428	/* first search for itself and remove any old instances */	1485	/* first search for itself and remove any old instances */
1429		1486
1430	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1487	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1431	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1488	if (tmp->arch->archname == archname) /* same archetype */
1432	tmp->destroy ();	1489	tmp->destroy ();
1433		1490
1434	tmp1 = arch_to_object (archetype::find (arch_string));	1491	object *tmp = arch_to_object (archetype::find (archname));
1435		1492
1436	tmp1->x = op->x;	1493	tmp->x = op->x;
1437	tmp1->y = op->y;	1494	tmp->y = op->y;
		1495
1438	insert_ob_in_map (tmp1, op->map, op, 0);	1496	insert_ob_in_map (tmp, op->map, op, 0);
1439	}	1497	}
1440		1498
1441	object *	1499	object *
1442	object::insert_at (object *where, object *originator, int flags)	1500	object::insert_at (object *where, object *originator, int flags)
1443	{	1501	{
		1502	if (where->env)
		1503	return where->env->insert (this);
		1504	else
1444	where->map->insert (this, where->x, where->y, originator, flags);	1505	return where->map->insert (this, where->x, where->y, originator, flags);
1445	}	1506	}
1446		1507
1447	/*	1508	/*
1448	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1449	* is returned contains nr objects, and the remaining parts contains
1450	* the rest (or is removed and freed if that number is 0).
1451	* On failure, NULL is returned, and the reason put into the
1452	* global static errmsg array.
1453	*/
1454	object *
1455	get_split_ob (object *orig_ob, uint32 nr)
1456	{
1457	object *newob;
1458	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1459
1460	if (orig_ob->nrof < nr)
1461	{
1462	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1463	return NULL;
1464	}
1465
1466	newob = object_create_clone (orig_ob);
1467
1468	if ((orig_ob->nrof -= nr) < 1)
1469	orig_ob->destroy (1);
1470	else if (!is_removed)
1471	{
1472	if (orig_ob->env != NULL)
1473	sub_weight (orig_ob->env, orig_ob->weight * nr);
1474	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1475	{
1476	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1477	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1478	return NULL;
1479	}
1480	}
1481
1482	newob->nrof = nr;
1483
1484	return newob;
1485	}
1486
1487	/*
1488	* decrease_ob_nr(object, number) decreases a specified number from	1509	* decrease(object, number) decreases a specified number from
1489	* the amount of an object. If the amount reaches 0, the object	1510	* the amount of an object. If the amount reaches 0, the object
1490	* is subsequently removed and freed.	1511	* is subsequently removed and freed.
1491	*	1512	*
1492	* Return value: 'op' if something is left, NULL if the amount reached 0	1513	* Return value: 'op' if something is left, NULL if the amount reached 0
1493	*/	1514	*/
		1515	bool
		1516	object::decrease (sint32 nr)
		1517	{
		1518	if (!nr)
		1519	return true;
1494		1520
		1521	nr = min (nr, nrof);
		1522
		1523	if (nrof > nr)
		1524	{
		1525	nrof -= nr;
		1526	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1527
		1528	if (object *pl = visible_to ())
		1529	esrv_update_item (UPD_NROF, pl, this);
		1530
		1531	return true;
		1532	}
		1533	else
		1534	{
		1535	destroy ();
		1536	return false;
		1537	}
		1538	}
		1539
		1540	/*
		1541	* split(ob,nr) splits up ob into two parts. The part which
		1542	* is returned contains nr objects, and the remaining parts contains
		1543	* the rest (or is removed and returned if that number is 0).
		1544	* On failure, NULL is returned.
		1545	*/
1495	object *	1546	object *
1496	decrease_ob_nr (object *op, uint32 i)	1547	object::split (sint32 nr)
1497	{	1548	{
1498	object *tmp;	1549	int have = number_of ();
1499		1550
1500	if (i == 0) /* objects with op->nrof require this check */	1551	if (have < nr)
1501	return op;	1552	return 0;
1502		1553	else if (have == nr)
1503	if (i > op->nrof)
1504	i = op->nrof;
1505
1506	if (QUERY_FLAG (op, FLAG_REMOVED))
1507	op->nrof -= i;
1508	else if (op->env)
1509	{	1554	{
1510	/* is this object in the players inventory, or sub container
1511	* therein?
1512	*/
1513	tmp = op->in_player ();
1514	/* nope. Is this a container the player has opened?
1515	* If so, set tmp to that player.
1516	* IMO, searching through all the players will mostly
1517	* likely be quicker than following op->env to the map,
1518	* and then searching the map for a player.
1519	*/
1520	if (!tmp)
1521	for_all_players (pl)
1522	if (pl->ob->container == op->env)
1523	{
1524	tmp = pl->ob;
1525	break;
1526	}
1527
1528	if (i < op->nrof)
1529	{
1530	sub_weight (op->env, op->weight * i);
1531	op->nrof -= i;
1532	if (tmp)
1533	esrv_send_item (tmp, op);
1534	}
1535	else
1536	{
1537	op->remove ();	1555	remove ();
1538	op->nrof = 0;	1556	return this;
1539	if (tmp)
1540	esrv_del_item (tmp->contr, op->count);
1541	}
1542	}	1557	}
1543	else	1558	else
1544	{	1559	{
1545	object *above = op->above;	1560	decrease (nr);
1546		1561
1547	if (i < op->nrof)	1562	object *op = deep_clone ();
1548	op->nrof -= i;	1563	op->nrof = nr;
1549	else
1550	{
1551	op->remove ();
1552	op->nrof = 0;
1553	}
1554
1555	/* Since we just removed op, op->above is null */
1556	for (tmp = above; tmp; tmp = tmp->above)
1557	if (tmp->type == PLAYER)
1558	{
1559	if (op->nrof)
1560	esrv_send_item (tmp, op);
1561	else
1562	esrv_del_item (tmp->contr, op->count);
1563	}
1564	}
1565
1566	if (op->nrof)
1567	return op;	1564	return op;
1568	else
1569	{
1570	op->destroy ();
1571	return 0;
1572	}
1573	}
1574
1575	/*
1576	* add_weight(object, weight) adds the specified weight to an object,
1577	* and also updates how much the environment(s) is/are carrying.
1578	*/
1579
1580	void
1581	add_weight (object *op, signed long weight)
1582	{
1583	while (op != NULL)
1584	{
1585	if (op->type == CONTAINER)
1586	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1587
1588	op->carrying += weight;
1589	op = op->env;
1590	}	1565	}
1591	}	1566	}
1592		1567
1593	object *	1568	object *
1594	insert_ob_in_ob (object *op, object *where)	1569	insert_ob_in_ob (object *op, object *where)
…		…
1599	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1574	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1600	free (dump);	1575	free (dump);
1601	return op;	1576	return op;
1602	}	1577	}
1603		1578
1604	if (where->head)	1579	if (where->head_ () != where)
1605	{	1580	{
1606	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1581	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1607	where = where->head;	1582	where = where->head;
1608	}	1583	}
1609		1584
1610	return where->insert (op);	1585	return where->insert (op);
1611	}	1586	}
…		…
1616	* inside the object environment.	1591	* inside the object environment.
1617	*	1592	*
1618	* The function returns now pointer to inserted item, and return value can	1593	* The function returns now pointer to inserted item, and return value can
1619	* be != op, if items are merged. -Tero	1594	* be != op, if items are merged. -Tero
1620	*/	1595	*/
1621
1622	object *	1596	object *
1623	object::insert (object *op)	1597	object::insert (object *op)
1624	{	1598	{
1625	object *tmp, *otmp;
1626
1627	if (!QUERY_FLAG (op, FLAG_REMOVED))
1628	op->remove ();
1629
1630	if (op->more)	1599	if (op->more)
1631	{	1600	{
1632	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1601	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1633	return op;	1602	return op;
1634	}	1603	}
1635		1604
1636	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1605	op->remove ();
1637	CLEAR_FLAG (op, FLAG_REMOVED);	1606
		1607	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1608
1638	if (op->nrof)	1609	if (op->nrof)
1639	{
1640	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1610	for (object *tmp = inv; tmp; tmp = tmp->below)
1641	if (object::can_merge (tmp, op))	1611	if (object::can_merge (tmp, op))
1642	{	1612	{
1643	/* return the original object and remove inserted object	1613	/* return the original object and remove inserted object
1644	(client needs the original object) */	1614	(client needs the original object) */
1645	tmp->nrof += op->nrof;	1615	tmp->nrof += op->nrof;
1646	/* Weight handling gets pretty funky. Since we are adding to	1616
1647	* tmp->nrof, we need to increase the weight.	1617	if (object *pl = tmp->visible_to ())
1648	*/	1618	esrv_update_item (UPD_NROF, pl, tmp);
		1619
1649	add_weight (this, op->weight * op->nrof);	1620	adjust_weight (this, op->total_weight ());
1650	SET_FLAG (op, FLAG_REMOVED);	1621
1651	op->destroy (); /* free the inserted object */	1622	op->destroy ();
1652	op = tmp;	1623	op = tmp;
1653	op->remove (); /* and fix old object's links */	1624	goto inserted;
1654	CLEAR_FLAG (op, FLAG_REMOVED);
1655	break;
1656	}	1625	}
1657		1626
1658	/* I assume combined objects have no inventory	1627	op->owner = 0; // it's his/hers now. period.
1659	* We add the weight - this object could have just been removed
1660	* (if it was possible to merge). calling remove_ob will subtract
1661	* the weight, so we need to add it in again, since we actually do
1662	* the linking below
1663	*/
1664	add_weight (this, op->weight * op->nrof);
1665	}
1666	else
1667	add_weight (this, (op->weight + op->carrying));
1668
1669	otmp = this->in_player ();
1670	if (otmp && otmp->contr)
1671	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1672	otmp->update_stats ();
1673
1674	op->map = 0;	1628	op->map = 0;
1675	op->env = this;	1629	op->x = 0;
		1630	op->y = 0;
		1631
1676	op->above = 0;	1632	op->above = 0;
1677	op->below = 0;	1633	op->below = inv;
1678	op->x = 0, op->y = 0;	1634	op->env = this;
1679		1635
		1636	if (inv)
		1637	inv->above = op;
		1638
		1639	inv = op;
		1640
		1641	op->flag [FLAG_REMOVED] = 0;
		1642
		1643	if (object *pl = op->visible_to ())
		1644	esrv_send_item (pl, op);
		1645
		1646	adjust_weight (this, op->total_weight ());
		1647
		1648	inserted:
1680	/* reset the light list and los of the players on the map */	1649	/* reset the light list and los of the players on the map */
1681	if ((op->glow_radius != 0) && map)	1650	if (op->glow_radius && is_on_map ())
1682	{	1651	{
1683	#ifdef DEBUG_LIGHTS	1652	update_stats ();
1684	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1685	#endif /* DEBUG_LIGHTS */
1686	if (map->darkness)
1687	update_all_los (map, x, y);	1653	update_all_los (map, x, y);
1688	}
1689
1690	/* Client has no idea of ordering so lets not bother ordering it here.
1691	* It sure simplifies this function...
1692	*/
1693	if (!inv)
1694	inv = op;
1695	else
1696	{	1654	}
1697	op->below = inv;	1655	else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1698	op->below->above = op;	1656	// if this is a player's inventory, update stats
1699	inv = op;	1657	update_stats ();
1700	}
1701		1658
1702	INVOKE_OBJECT (INSERT, this);	1659	INVOKE_OBJECT (INSERT, this);
1703		1660
1704	return op;	1661	return op;
1705	}	1662	}
…		…
1725	* on top.	1682	* on top.
1726	*/	1683	*/
1727	int	1684	int
1728	check_move_on (object *op, object *originator)	1685	check_move_on (object *op, object *originator)
1729	{	1686	{
		1687	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1688	return 0;
		1689
1730	object *tmp;	1690	object *tmp;
1731	maptile *m = op->map;	1691	maptile *m = op->map;
1732	int x = op->x, y = op->y;	1692	int x = op->x, y = op->y;
1733		1693
1734	MoveType move_on, move_slow, move_block;	1694	mapspace &ms = m->at (x, y);
1735		1695
1736	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1696	ms.update ();
1737	return 0;
1738		1697
1739	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1698	MoveType move_on = ms.move_on;
1740	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1699	MoveType move_slow = ms.move_slow;
1741	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1700	MoveType move_block = ms.move_block;
1742		1701
1743	/* if nothing on this space will slow op down or be applied,	1702	/* if nothing on this space will slow op down or be applied,
1744	* no need to do checking below. have to make sure move_type	1703	* no need to do checking below. have to make sure move_type
1745	* is set, as lots of objects don't have it set - we treat that	1704	* is set, as lots of objects don't have it set - we treat that
1746	* as walking.	1705	* as walking.
…		…
1757	return 0;	1716	return 0;
1758		1717
1759	/* The objects have to be checked from top to bottom.	1718	/* The objects have to be checked from top to bottom.
1760	* Hence, we first go to the top:	1719	* Hence, we first go to the top:
1761	*/	1720	*/
1762		1721	for (object *next, *tmp = ms.top; tmp; tmp = next)
1763	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)
1764	{
1765	/* Trim the search when we find the first other spell effect
1766	* this helps performance so that if a space has 50 spell objects,
1767	* we don't need to check all of them.
1768	*/
1769	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1770	break;
1771	}	1722	{
		1723	next = tmp->below;
1772		1724
1773	for (; tmp; tmp = tmp->below)
1774	{
1775	if (tmp == op)	1725	if (tmp == op)
1776	continue; /* Can't apply yourself */	1726	continue; /* Can't apply yourself */
1777		1727
1778	/* Check to see if one of the movement types should be slowed down.	1728	/* Check to see if one of the movement types should be slowed down.
1779	* Second check makes sure that the movement types not being slowed	1729	* Second check makes sure that the movement types not being slowed
…		…
1784	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1734	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1785	{	1735	{
1786	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1736	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1787	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1737	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1788	{	1738	{
1789
1790	float
1791	diff = tmp->move_slow_penalty * FABS (op->speed);	1739	float diff = tmp->move_slow_penalty * fabs (op->speed);
1792		1740
1793	if (op->type == PLAYER)	1741	if (op->is_player ())
1794	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1742	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1795	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1743	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1796	diff /= 4.0;	1744	diff /= 4.0;
1797		1745
1798	op->speed_left -= diff;	1746	op->speed_left -= diff;
1799	}	1747	}
1800	}	1748	}
…		…
1826	* The first matching object is returned, or NULL if none.	1774	* The first matching object is returned, or NULL if none.
1827	*/	1775	*/
1828	object *	1776	object *
1829	present_arch (const archetype *at, maptile *m, int x, int y)	1777	present_arch (const archetype *at, maptile *m, int x, int y)
1830	{	1778	{
1831	if (m == NULL || out_of_map (m, x, y))	1779	if (!m || out_of_map (m, x, y))
1832	{	1780	{
1833	LOG (llevError, "Present_arch called outside map.\n");	1781	LOG (llevError, "Present_arch called outside map.\n");
1834	return NULL;	1782	return NULL;
1835	}	1783	}
1836		1784
1837	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1785	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1838	if (tmp->arch == at)	1786	if (tmp->arch->archname == at->archname)
1839	return tmp;	1787	return tmp;
1840		1788
1841	return NULL;	1789	return NULL;
1842	}	1790	}
1843		1791
…		…
1853	{	1801	{
1854	LOG (llevError, "Present called outside map.\n");	1802	LOG (llevError, "Present called outside map.\n");
1855	return NULL;	1803	return NULL;
1856	}	1804	}
1857		1805
1858	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1806	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1859	if (tmp->type == type)	1807	if (tmp->type == type)
1860	return tmp;	1808	return tmp;
1861		1809
1862	return NULL;	1810	return NULL;
1863	}	1811	}
…		…
1907	* The first matching object is returned, or NULL if none.	1855	* The first matching object is returned, or NULL if none.
1908	*/	1856	*/
1909	object *	1857	object *
1910	present_arch_in_ob (const archetype *at, const object *op)	1858	present_arch_in_ob (const archetype *at, const object *op)
1911	{	1859	{
1912	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1860	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1913	if (tmp->arch == at)	1861	if (tmp->arch->archname == at->archname)
1914	return tmp;	1862	return tmp;
1915		1863
1916	return NULL;	1864	return NULL;
1917	}	1865	}
1918		1866
…		…
1920	* activate recursively a flag on an object inventory	1868	* activate recursively a flag on an object inventory
1921	*/	1869	*/
1922	void	1870	void
1923	flag_inv (object *op, int flag)	1871	flag_inv (object *op, int flag)
1924	{	1872	{
1925	if (op->inv)
1926	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1873	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1927	{	1874	{
1928	SET_FLAG (tmp, flag);	1875	SET_FLAG (tmp, flag);
1929	flag_inv (tmp, flag);	1876	flag_inv (tmp, flag);
1930	}	1877	}
1931	}	1878	}
1932		1879
1933	/*	1880	/*
1934	* deactivate recursively a flag on an object inventory	1881	* deactivate recursively a flag on an object inventory
1935	*/	1882	*/
1936	void	1883	void
1937	unflag_inv (object *op, int flag)	1884	unflag_inv (object *op, int flag)
1938	{	1885	{
1939	if (op->inv)
1940	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1886	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1941	{	1887	{
1942	CLEAR_FLAG (tmp, flag);	1888	CLEAR_FLAG (tmp, flag);
1943	unflag_inv (tmp, flag);	1889	unflag_inv (tmp, flag);
1944	}	1890	}
1945	}
1946
1947	/*
1948	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1949	* all it's inventory (recursively).
1950	* If checksums are used, a player will get set_cheat called for
1951	* him/her-self and all object carried by a call to this function.
1952	*/
1953	void
1954	set_cheat (object *op)
1955	{
1956	SET_FLAG (op, FLAG_WAS_WIZ);
1957	flag_inv (op, FLAG_WAS_WIZ);
1958	}	1891	}
1959		1892
1960	/*	1893	/*
1961	* find_free_spot(object, map, x, y, start, stop) will search for	1894	* find_free_spot(object, map, x, y, start, stop) will search for
1962	* a spot at the given map and coordinates which will be able to contain	1895	* a spot at the given map and coordinates which will be able to contain
…		…
1964	* to search (see the freearr_x/y[] definition).	1897	* to search (see the freearr_x/y[] definition).
1965	* It returns a random choice among the alternatives found.	1898	* It returns a random choice among the alternatives found.
1966	* start and stop are where to start relative to the free_arr array (1,9	1899	* start and stop are where to start relative to the free_arr array (1,9
1967	* does all 4 immediate directions). This returns the index into the	1900	* does all 4 immediate directions). This returns the index into the
1968	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1901	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1969	* Note - this only checks to see if there is space for the head of the
1970	* object - if it is a multispace object, this should be called for all
1971	* pieces.
1972	* Note2: This function does correctly handle tiled maps, but does not	1902	* Note: This function does correctly handle tiled maps, but does not
1973	* inform the caller. However, insert_ob_in_map will update as	1903	* inform the caller. However, insert_ob_in_map will update as
1974	* necessary, so the caller shouldn't need to do any special work.	1904	* necessary, so the caller shouldn't need to do any special work.
1975	* Note - updated to take an object instead of archetype - this is necessary	1905	* Note - updated to take an object instead of archetype - this is necessary
1976	* because arch_blocked (now ob_blocked) needs to know the movement type	1906	* because arch_blocked (now ob_blocked) needs to know the movement type
1977	* to know if the space in question will block the object. We can't use	1907	* to know if the space in question will block the object. We can't use
…		…
1979	* customized, changed states, etc.	1909	* customized, changed states, etc.
1980	*/	1910	*/
1981	int	1911	int
1982	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1912	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1983	{	1913	{
		1914	int altern[SIZEOFFREE];
1984	int index = 0, flag;	1915	int index = 0, flag;
1985	int altern[SIZEOFFREE];
1986		1916
1987	for (int i = start; i < stop; i++)	1917	for (int i = start; i < stop; i++)
1988	{	1918	{
1989	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1919	mapxy pos (m, x, y); pos.move (i);
1990	if (!flag)	1920
		1921	if (!pos.normalise ())
		1922	continue;
		1923
		1924	mapspace &ms = *pos;
		1925
		1926	if (ms.flags () & P_IS_ALIVE)
		1927	continue;
		1928
		1929	/* However, often
		1930	* ob doesn't have any move type (when used to place exits)
		1931	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1932	*/
		1933	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1934	{
1991	altern [index++] = i;	1935	altern [index++] = i;
		1936	continue;
		1937	}
1992		1938
1993	/* Basically, if we find a wall on a space, we cut down the search size.	1939	/* Basically, if we find a wall on a space, we cut down the search size.
1994	* In this way, we won't return spaces that are on another side of a wall.	1940	* In this way, we won't return spaces that are on another side of a wall.
1995	* This mostly work, but it cuts down the search size in all directions -	1941	* This mostly work, but it cuts down the search size in all directions -
1996	* if the space being examined only has a wall to the north and empty	1942	* if the space being examined only has a wall to the north and empty
1997	* spaces in all the other directions, this will reduce the search space	1943	* spaces in all the other directions, this will reduce the search space
1998	* to only the spaces immediately surrounding the target area, and	1944	* to only the spaces immediately surrounding the target area, and
1999	* won't look 2 spaces south of the target space.	1945	* won't look 2 spaces south of the target space.
2000	*/	1946	*/
2001	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1947	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1948	{
2002	stop = maxfree[i];	1949	stop = maxfree[i];
		1950	continue;
		1951	}
		1952
		1953	/* Note it is intentional that we check ob - the movement type of the
		1954	* head of the object should correspond for the entire object.
		1955	*/
		1956	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1957	continue;
		1958
		1959	if (ob->blocked (pos.m, pos.x, pos.y))
		1960	continue;
		1961
		1962	altern [index++] = i;
2003	}	1963	}
2004		1964
2005	if (!index)	1965	if (!index)
2006	return -1;	1966	return -1;
2007		1967
2008	return altern[RANDOM () % index];	1968	return altern [rndm (index)];
2009	}	1969	}
2010		1970
2011	/*	1971	/*
2012	* find_first_free_spot(archetype, maptile, x, y) works like	1972	* find_first_free_spot(archetype, maptile, x, y) works like
2013	* find_free_spot(), but it will search max number of squares.	1973	* find_free_spot(), but it will search max number of squares.
…		…
2016	*/	1976	*/
2017	int	1977	int
2018	find_first_free_spot (const object *ob, maptile *m, int x, int y)	1978	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2019	{	1979	{
2020	for (int i = 0; i < SIZEOFFREE; i++)	1980	for (int i = 0; i < SIZEOFFREE; i++)
2021	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	1981	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2022	return i;	1982	return i;
2023		1983
2024	return -1;	1984	return -1;
2025	}	1985	}
2026		1986
…		…
2034	{	1994	{
2035	arr += begin;	1995	arr += begin;
2036	end -= begin;	1996	end -= begin;
2037		1997
2038	while (--end)	1998	while (--end)
2039	swap (arr [end], arr [RANDOM () % (end + 1)]);	1999	swap (arr [end], arr [rndm (end + 1)]);
2040	}	2000	}
2041		2001
2042	/* new function to make monster searching more efficient, and effective!	2002	/* new function to make monster searching more efficient, and effective!
2043	* This basically returns a randomized array (in the passed pointer) of	2003	* This basically returns a randomized array (in the passed pointer) of
2044	* the spaces to find monsters. In this way, it won't always look for	2004	* the spaces to find monsters. In this way, it won't always look for
…		…
2072	* there is capable of.	2032	* there is capable of.
2073	*/	2033	*/
2074	int	2034	int
2075	find_dir (maptile *m, int x, int y, object *exclude)	2035	find_dir (maptile *m, int x, int y, object *exclude)
2076	{	2036	{
2077	int i, max = SIZEOFFREE, mflags;	2037	int max = SIZEOFFREE, mflags;
2078
2079	sint16 nx, ny;
2080	object *tmp;
2081	maptile *mp;
2082
2083	MoveType blocked, move_type;	2038	MoveType move_type;
2084		2039
2085	if (exclude && exclude->head)	2040	if (exclude && exclude->head_ () != exclude)
2086	{	2041	{
2087	exclude = exclude->head;	2042	exclude = exclude->head;
2088	move_type = exclude->move_type;	2043	move_type = exclude->move_type;
2089	}	2044	}
2090	else	2045	else
2091	{	2046	{
2092	/* If we don't have anything, presume it can use all movement types. */	2047	/* If we don't have anything, presume it can use all movement types. */
2093	move_type = MOVE_ALL;	2048	move_type = MOVE_ALL;
2094	}	2049	}
2095		2050
2096	for (i = 1; i < max; i++)	2051	for (int i = 1; i < max; i++)
2097	{	2052	{
2098	mp = m;	2053	mapxy pos (m, x, y);
2099	nx = x + freearr_x[i];	2054	pos.move (i);
2100	ny = y + freearr_y[i];
2101		2055
2102	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2056	if (!pos.normalise ())
2103
2104	if (mflags & P_OUT_OF_MAP)
2105	max = maxfree[i];	2057	max = maxfree[i];
2106	else	2058	else
2107	{	2059	{
2108	mapspace &ms = mp->at (nx, ny);	2060	mapspace &ms = *pos;
2109		2061
2110	blocked = ms.move_block;
2111
2112	if ((move_type & blocked) == move_type)	2062	if ((move_type & ms.move_block) == move_type)
2113	max = maxfree[i];	2063	max = maxfree [i];
2114	else if (mflags & P_IS_ALIVE)	2064	else if (ms.flags () & P_IS_ALIVE)
2115	{	2065	{
2116	for (tmp = ms.bot; tmp; tmp = tmp->above)	2066	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2117	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2067	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2118	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2068	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2119	break;
2120
2121	if (tmp)
2122	return freedir[i];	2069	return freedir [i];
2123	}	2070	}
2124	}	2071	}
2125	}	2072	}
2126		2073
2127	return 0;	2074	return 0;
…		…
2178		2125
2179	return 3;	2126	return 3;
2180	}	2127	}
2181		2128
2182	/*	2129	/*
2183	* absdir(int): Returns a number between 1 and 8, which represent
2184	* the "absolute" direction of a number (it actually takes care of
2185	* "overflow" in previous calculations of a direction).
2186	*/
2187
2188	int
2189	absdir (int d)
2190	{
2191	while (d < 1)
2192	d += 8;
2193
2194	while (d > 8)
2195	d -= 8;
2196
2197	return d;
2198	}
2199
2200	/*
2201	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2130	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2202	* between two directions (which are expected to be absolute (see absdir())	2131	* between two directions (which are expected to be absolute (see absdir())
2203	*/	2132	*/
2204
2205	int	2133	int
2206	dirdiff (int dir1, int dir2)	2134	dirdiff (int dir1, int dir2)
2207	{	2135	{
2208	int d;	2136	int d;
2209		2137
…		…
2221	* This basically means that if direction is 15, then it could either go	2149	* This basically means that if direction is 15, then it could either go
2222	* direction 4, 14, or 16 to get back to where we are.	2150	* direction 4, 14, or 16 to get back to where we are.
2223	* Moved from spell_util.c to object.c with the other related direction	2151	* Moved from spell_util.c to object.c with the other related direction
2224	* functions.	2152	* functions.
2225	*/	2153	*/
2226	int reduction_dir[SIZEOFFREE][3] = {	2154	static const int reduction_dir[SIZEOFFREE][3] = {
2227	{0, 0, 0}, /* 0 */	2155	{0, 0, 0}, /* 0 */
2228	{0, 0, 0}, /* 1 */	2156	{0, 0, 0}, /* 1 */
2229	{0, 0, 0}, /* 2 */	2157	{0, 0, 0}, /* 2 */
2230	{0, 0, 0}, /* 3 */	2158	{0, 0, 0}, /* 3 */
2231	{0, 0, 0}, /* 4 */	2159	{0, 0, 0}, /* 4 */
…		…
2322	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2250	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2323	* core dumps if they do.	2251	* core dumps if they do.
2324	*	2252	*
2325	* Add a check so we can't pick up invisible objects (0.93.8)	2253	* Add a check so we can't pick up invisible objects (0.93.8)
2326	*/	2254	*/
2327
2328	int	2255	int
2329	can_pick (const object *who, const object *item)	2256	can_pick (const object *who, const object *item)
2330	{	2257	{
2331	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2258	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2332	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2259	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2333	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2260	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2334	}	2261	}
2335		2262
2336	/*	2263	/*
2337	* create clone from object to another	2264	* create clone from object to another
2338	*/	2265	*/
2339	object *	2266	object *
2340	object_create_clone (object *asrc)	2267	object::deep_clone ()
2341	{	2268	{
2342	object *dst = 0, *tmp, *src, *part, *prev, *item;	2269	assert (("deep_clone called on non-head object", is_head ()));
2343		2270
2344	if (!asrc)	2271	object *dst = clone ();
2345	return 0;
2346		2272
2347	src = asrc;	2273	object *prev = dst;
2348	if (src->head)
2349	src = src->head;
2350
2351	prev = 0;
2352	for (part = src; part; part = part->more)	2274	for (object *part = this->more; part; part = part->more)
2353	{	2275	{
2354	tmp = part->clone ();	2276	object *tmp = part->clone ();
2355	tmp->x -= src->x;
2356	tmp->y -= src->y;
2357
2358	if (!part->head)
2359	{
2360	dst = tmp;
2361	tmp->head = 0;
2362	}
2363	else
2364	tmp->head = dst;	2277	tmp->head = dst;
2365
2366	tmp->more = 0;
2367
2368	if (prev)
2369	prev->more = tmp;	2278	prev->more = tmp;
2370
2371	prev = tmp;	2279	prev = tmp;
2372	}	2280	}
2373		2281
2374	for (item = src->inv; item; item = item->below)	2282	for (object *item = inv; item; item = item->below)
2375	insert_ob_in_ob (object_create_clone (item), dst);	2283	insert_ob_in_ob (item->deep_clone (), dst);
2376		2284
2377	return dst;	2285	return dst;
2378	}
2379
2380	/* GROS - Creates an object using a string representing its content. */
2381	/* Basically, we save the content of the string to a temp file, then call */
2382	/* load_object on it. I admit it is a highly inefficient way to make things, */
2383	/* but it was simple to make and allows reusing the load_object function. */
2384	/* Remember not to use load_object_str in a time-critical situation. */
2385	/* Also remember that multiparts objects are not supported for now. */
2386	object *
2387	load_object_str (const char *obstr)
2388	{
2389	object *op;
2390	char filename[MAX_BUF];
2391
2392	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2393
2394	FILE *tempfile = fopen (filename, "w");
2395
2396	if (tempfile == NULL)
2397	{
2398	LOG (llevError, "Error - Unable to access load object temp file\n");
2399	return NULL;
2400	}
2401
2402	fprintf (tempfile, obstr);
2403	fclose (tempfile);
2404
2405	op = object::create ();
2406
2407	object_thawer thawer (filename);
2408
2409	if (thawer)
2410	load_object (thawer, op, 0);
2411
2412	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2413	CLEAR_FLAG (op, FLAG_REMOVED);
2414
2415	return op;
2416	}	2286	}
2417		2287
2418	/* This returns the first object in who's inventory that	2288	/* This returns the first object in who's inventory that
2419	* has the same type and subtype match.	2289	* has the same type and subtype match.
2420	* returns NULL if no match.	2290	* returns NULL if no match.
…		…
2427	return tmp;	2297	return tmp;
2428		2298
2429	return 0;	2299	return 0;
2430	}	2300	}
2431		2301
2432	/* If ob has a field named key, return the link from the list,	2302	shstr_tmp
2433	* otherwise return NULL.	2303	object::kv_get (shstr_tmp key) const
2434	*
2435	* key must be a passed in shared string - otherwise, this won't
2436	* do the desired thing.
2437	*/
2438	key_value *
2439	get_ob_key_link (const object *ob, const char *key)
2440	{	2304	{
2441	for (key_value *link = ob->key_values; link; link = link->next)	2305	for (key_value *kv = key_values; kv; kv = kv->next)
2442	if (link->key == key)	2306	if (kv->key == key)
2443	return link;
2444
2445	return 0;
2446	}
2447
2448	/*
2449	* Returns the value of op has an extra_field for key, or NULL.
2450	*
2451	* The argument doesn't need to be a shared string.
2452	*
2453	* The returned string is shared.
2454	*/
2455	const char *
2456	get_ob_key_value (const object *op, const char *const key)
2457	{
2458	key_value *link;
2459	shstr_cmp canonical_key (key);
2460
2461	if (!canonical_key)
2462	{
2463	/* 1. There being a field named key on any object
2464	* implies there'd be a shared string to find.
2465	* 2. Since there isn't, no object has this field.
2466	* 3. Therefore, *this* object doesn't have this field.
2467	*/
2468	return 0;
2469	}
2470
2471	/* This is copied from get_ob_key_link() above -
2472	* only 4 lines, and saves the function call overhead.
2473	*/
2474	for (link = op->key_values; link; link = link->next)
2475	if (link->key == canonical_key)
2476	return link->value;	2307	return kv->value;
2477		2308
2478	return 0;	2309	return shstr ();
2479	}	2310	}
2480		2311
2481		2312	void
2482	/*	2313	object::kv_set (shstr_tmp key, shstr_tmp value)
2483	* Updates the canonical_key in op to value.
2484	*
2485	* canonical_key is a shared string (value doesn't have to be).
2486	*
2487	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2488	* keys.
2489	*
2490	* Returns TRUE on success.
2491	*/
2492	int
2493	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2494	{	2314	{
2495	key_value *field = NULL, *last = NULL;	2315	for (key_value *kv = key_values; kv; kv = kv->next)
2496		2316	if (kv->key == key)
2497	for (field = op->key_values; field != NULL; field = field->next)
2498	{
2499	if (field->key != canonical_key)
2500	{	2317	{
2501	last = field;	2318	kv->value = value;
2502	continue;	2319	return;
2503	}	2320	}
2504		2321
2505	if (value)	2322	key_value *kv = new key_value;
2506	field->value = value;	2323
2507	else	2324	kv->next = key_values;
		2325	kv->key = key;
		2326	kv->value = value;
		2327
		2328	key_values = kv;
		2329	}
		2330
		2331	void
		2332	object::kv_del (shstr_tmp key)
		2333	{
		2334	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2335	if ((*kvp)->key == key)
2508	{	2336	{
2509	/* Basically, if the archetype has this key set,	2337	key_value *kv = *kvp;
2510	* we need to store the null value so when we save	2338	*kvp = (*kvp)->next;
2511	* it, we save the empty value so that when we load,	2339	delete kv;
2512	* we get this value back again.	2340	return;
2513	*/
2514	if (get_ob_key_link (&op->arch->clone, canonical_key))
2515	field->value = 0;
2516	else
2517	{
2518	if (last)
2519	last->next = field->next;
2520	else
2521	op->key_values = field->next;
2522
2523	delete field;
2524	}
2525	}	2341	}
2526	return TRUE;
2527	}
2528	/* IF we get here, key doesn't exist */
2529
2530	/* No field, we'll have to add it. */
2531
2532	if (!add_key)
2533	return FALSE;
2534
2535	/* There isn't any good reason to store a null
2536	* value in the key/value list. If the archetype has
2537	* this key, then we should also have it, so shouldn't
2538	* be here. If user wants to store empty strings,
2539	* should pass in ""
2540	*/
2541	if (value == NULL)
2542	return TRUE;
2543
2544	field = new key_value;
2545
2546	field->key = canonical_key;
2547	field->value = value;
2548	/* Usual prepend-addition. */
2549	field->next = op->key_values;
2550	op->key_values = field;
2551
2552	return TRUE;
2553	}
2554
2555	/*
2556	* Updates the key in op to value.
2557	*
2558	* If add_key is FALSE, this will only update existing keys,
2559	* and not add new ones.
2560	* In general, should be little reason FALSE is ever passed in for add_key
2561	*
2562	* Returns TRUE on success.
2563	*/
2564	int
2565	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2566	{
2567	shstr key_ (key);
2568
2569	return set_ob_key_value_s (op, key_, value, add_key);
2570	}	2342	}
2571		2343
2572	object::depth_iterator::depth_iterator (object *container)	2344	object::depth_iterator::depth_iterator (object *container)
2573	: iterator_base (container)	2345	: iterator_base (container)
2574	{	2346	{
…		…
2588	}	2360	}
2589	else	2361	else
2590	item = item->env;	2362	item = item->env;
2591	}	2363	}
2592		2364
		2365	const char *
		2366	object::flag_desc (char *desc, int len) const
		2367	{
		2368	char *p = desc;
		2369	bool first = true;
		2370
		2371	*p = 0;
		2372
		2373	for (int i = 0; i < NUM_FLAGS; i++)
		2374	{
		2375	if (len <= 10) // magic constant!
		2376	{
		2377	snprintf (p, len, ",...");
		2378	break;
		2379	}
		2380
		2381	if (flag [i])
		2382	{
		2383	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2384	len -= cnt;
		2385	p += cnt;
		2386	first = false;
		2387	}
		2388	}
		2389
		2390	return desc;
		2391	}
		2392
2593	// return a suitable string describing an objetc in enough detail to find it	2393	// return a suitable string describing an object in enough detail to find it
2594	const char *	2394	const char *
2595	object::debug_desc (char *info) const	2395	object::debug_desc (char *info) const
2596	{	2396	{
		2397	char flagdesc[512];
2597	char info2[256 * 3];	2398	char info2[256 * 4];
2598	char *p = info;	2399	char *p = info;
2599		2400
2600	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2401	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2601	count,	2402	count,
		2403	uuid.c_str (),
2602	&name,	2404	&name,
2603	title ? " " : "",	2405	title ? ",title:\"" : "",
2604	title ? (const char *)title : "");	2406	title ? (const char *)title : "",
		2407	title ? "\"" : "",
		2408	flag_desc (flagdesc, 512), type);
2605		2409
2606	if (env)	2410	if (!flag[FLAG_REMOVED] && env)
2607	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2411	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2608		2412
2609	if (map)	2413	if (map)
2610	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2414	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2611		2415
2612	return info;	2416	return info;
2613	}	2417	}
2614		2418
2615	const char *	2419	const char *
2616	object::debug_desc () const	2420	object::debug_desc () const
2617	{	2421	{
2618	static char info[256 * 3];	2422	static char info[3][256 * 4];
		2423	static int info_idx;
		2424
2619	return debug_desc (info);	2425	return debug_desc (info [++info_idx % 3]);
2620	}	2426	}
2621		2427
		2428	struct region *
		2429	object::region () const
		2430	{
		2431	return map ? map->region (x, y)
		2432	: region::default_region ();
		2433	}
		2434
		2435	const materialtype_t *
		2436	object::dominant_material () const
		2437	{
		2438	if (materialtype_t *mt = name_to_material (materialname))
		2439	return mt;
		2440
		2441	return name_to_material (shstr_unknown);
		2442	}
		2443
		2444	void
		2445	object::open_container (object *new_container)
		2446	{
		2447	if (container == new_container)
		2448	return;
		2449
		2450	object *old_container = container;
		2451
		2452	if (old_container)
		2453	{
		2454	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2455	return;
		2456
		2457	#if 0
		2458	// remove the "Close old_container" object.
		2459	if (object *closer = old_container->inv)
		2460	if (closer->type == CLOSE_CON)
		2461	closer->destroy ();
		2462	#endif
		2463
		2464	// make sure the container is available
		2465	esrv_send_item (this, old_container);
		2466
		2467	old_container->flag [FLAG_APPLIED] = false;
		2468	container = 0;
		2469
		2470	// client needs item update to make it work, client bug requires this to be separate
		2471	esrv_update_item (UPD_FLAGS, this, old_container);
		2472
		2473	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2474	play_sound (sound_find ("chest_close"));
		2475	}
		2476
		2477	if (new_container)
		2478	{
		2479	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2480	return;
		2481
		2482	// TODO: this does not seem to serve any purpose anymore?
		2483	#if 0
		2484	// insert the "Close Container" object.
		2485	if (archetype *closer = new_container->other_arch)
		2486	{
		2487	object *closer = arch_to_object (new_container->other_arch);
		2488	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2489	new_container->insert (closer);
		2490	}
		2491	#endif
		2492
		2493	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2494
		2495	// make sure the container is available, client bug requires this to be separate
		2496	esrv_send_item (this, new_container);
		2497
		2498	new_container->flag [FLAG_APPLIED] = true;
		2499	container = new_container;
		2500
		2501	// client needs flag change
		2502	esrv_update_item (UPD_FLAGS, this, new_container);
		2503	esrv_send_inventory (this, new_container);
		2504	play_sound (sound_find ("chest_open"));
		2505	}
		2506	// else if (!old_container->env && contr && contr->ns)
		2507	// contr->ns->floorbox_reset ();
		2508	}
		2509
		2510	object *
		2511	object::force_find (shstr_tmp name)
		2512	{
		2513	/* cycle through his inventory to look for the MARK we want to
		2514	* place
		2515	*/
		2516	for (object *tmp = inv; tmp; tmp = tmp->below)
		2517	if (tmp->type == FORCE && tmp->slaying == name)
		2518	return splay (tmp);
		2519
		2520	return 0;
		2521	}
		2522
		2523	//-GPL
		2524
		2525	void
		2526	object::force_set_timer (int duration)
		2527	{
		2528	this->duration = 1;
		2529	this->speed_left = -1.f;
		2530
		2531	this->set_speed (duration ? 1.f / duration : 0.f);
		2532	}
		2533
		2534	object *
		2535	object::force_add (shstr_tmp name, int duration)
		2536	{
		2537	if (object *force = force_find (name))
		2538	force->destroy ();
		2539
		2540	object *force = get_archetype (FORCE_NAME);
		2541
		2542	force->slaying = name;
		2543	force->force_set_timer (duration);
		2544	force->flag [FLAG_APPLIED] = true;
		2545
		2546	return insert (force);
		2547	}
		2548
		2549	void
		2550	object::play_sound (faceidx sound) const
		2551	{
		2552	if (!sound)
		2553	return;
		2554
		2555	if (is_on_map ())
		2556	map->play_sound (sound, x, y);
		2557	else if (object *pl = in_player ())
		2558	pl->contr->play_sound (sound);
		2559	}
		2560
		2561	void
		2562	object::say_msg (const char *msg) const
		2563	{
		2564	if (is_on_map ())
		2565	map->say_msg (msg, x, y);
		2566	else if (object *pl = in_player ())
		2567	pl->contr->play_sound (sound);
		2568	}
		2569
		2570	void
		2571	object::make_noise ()
		2572	{
		2573	// we do not model noise in the map, so instead put
		2574	// a temporary light into the noise source
		2575	// could use the map instead, but that's less reliable for our
		2576	// goal, which is to make invisibility a bit harder to exploit
		2577
		2578	// currently only works sensibly for players
		2579	if (!is_player ())
		2580	return;
		2581
		2582	// find old force, or create new one
		2583	object *force = force_find (shstr_noise_force);
		2584
		2585	if (force)
		2586	force->speed_left = -1.f; // patch old speed up
		2587	else
		2588	{
		2589	force = archetype::get (shstr_noise_force);
		2590
		2591	force->slaying = shstr_noise_force;
		2592	force->stats.food = 1;
		2593	force->speed_left = -1.f;
		2594
		2595	force->set_speed (1.f / 4.f);
		2596	force->flag [FLAG_IS_USED_UP] = true;
		2597	force->flag [FLAG_APPLIED] = true;
		2598
		2599	insert (force);
		2600	}
		2601	}
		2602

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