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Comparing deliantra/server/common/object.C (file contents):
Revision 1.105 by pippijn, Wed Jan 3 00:21:35 2007 UTC vs.
Revision 1.254 by root, Sun Aug 31 01:17:11 2008 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 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
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your 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 GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23		23
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>	24	#include <global.h>
28	#include <stdio.h>	25	#include <stdio.h>
29	#include <sys/types.h>	26	#include <sys/types.h>
30	#include <sys/uio.h>	27	#include <sys/uio.h>
31	#include <object.h>	28	#include <object.h>
32	#include <funcpoint.h>	29	#include <sproto.h>
33	#include <loader.h>	30	#include <loader.h>
34		31
35	#include <bitset>	32	#include <bitset>
36		33
37	int nrofallocobjects = 0;	34	UUID UUID::cur;
38	static UUID uuid;	35	static uint64_t seq_next_save;
39	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
40		37
41	object *active_objects; /* List of active objects that need to be processed */	38	objectvec objects;
		39	activevec actives;
42		40
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,	41	short freearr_x[SIZEOFFREE] = {
		42	0,
		43	0, 1, 1, 1, 0, -1, -1, -1,
		44	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	45	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	};	46	};
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,	47	short freearr_y[SIZEOFFREE] = {
		48	0,
		49	-1, -1, 0, 1, 1, 1, 0, -1,
		50	-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	51	-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	};	52	};
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,	53	int maxfree[SIZEOFFREE] = {
		54	0,
		55	9, 10, 13, 14, 17, 18, 21, 22,
		56	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
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	57	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	};	58	};
52	int freedir[SIZEOFFREE] = {	59	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,	60	0,
		61	1, 2, 3, 4, 5, 6, 7, 8,
		62	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	63	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	};	64	};
56		65
57	static void	66	static void
58	write_uuid (void)	67	write_uuid (uval64 skip, bool sync)
59	{	68	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	69	CALL_BEGIN (2);
61		70	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	71	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	72	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		73	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	}	74	}
77		75
78	static void	76	static void
79	read_uuid (void)	77	read_uuid (void)
80	{	78	{
81	char filename[MAX_BUF];	79	char filename[MAX_BUF];
82		80
83	sprintf (filename, "%s/uuid", settings.localdir);	81	sprintf (filename, "%s/uuid", settings.localdir);
		82
		83	seq_next_save = 0;
84		84
85	FILE *fp;	85	FILE *fp;
86		86
87	if (!(fp = fopen (filename, "r")))	87	if (!(fp = fopen (filename, "r")))
88	{	88	{
89	if (errno == ENOENT)	89	if (errno == ENOENT)
90	{	90	{
91	LOG (llevInfo, "RESET uid to 1\n");	91	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	92	UUID::cur.seq = 0;
93	write_uuid ();	93	write_uuid (UUID_GAP, true);
94	return;	94	return;
95	}	95	}
96		96
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	98	_exit (1);
99	}	99	}
100		100
101	int version;	101	UUID::BUF buf;
102	unsigned long long uid;	102	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	103	fgets (buf, sizeof (buf), fp);
		104
		105	if (!UUID::cur.parse (buf))
104	{	106	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	107	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	108	_exit (1);
107	}	109	}
108		110
109	uuid.seq = uid;	111	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	112
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	113	write_uuid (UUID_GAP, true);
112	fclose (fp);	114	fclose (fp);
113	}	115	}
114		116
115	UUID	117	UUID
116	gen_uuid ()	118	UUID::gen ()
117	{	119	{
118	UUID uid;	120	UUID uid;
119		121
120	uid.seq = ++uuid.seq;	122	uid.seq = ++cur.seq;
121		123
122	if (!(uuid.seq & (UUID_SKIP - 1)))	124	if (expect_false (cur.seq >= seq_next_save))
123	write_uuid ();	125	{
		126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		127	write_uuid (UUID_GAP, false);
		128	}
		129
124		130
125	return uid;	131	return uid;
126	}	132	}
127		133
128	void	134	void
129	init_uuid ()	135	UUID::init ()
130	{	136	{
131	read_uuid ();	137	read_uuid ();
132	}	138	}
133		139
134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	140	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
135	static int	141	static bool
136	compare_ob_value_lists_one (const object *wants, const object *has)	142	compare_ob_value_lists_one (const object *wants, const object *has)
137	{	143	{
138	key_value *wants_field;
139
140	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	144	/* 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	145	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	146	* different structure or at least keep the lists sorted...
143	*/	147	*/
144		148
145	/* For each field in wants, */	149	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	150	for (key_value *kv = wants->key_values; kv; kv = kv->next)
147	{	151	if (has->kv_get (kv->key) != kv->value)
148	key_value *has_field;	152	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		153
169	/* If we get here, every field in wants has a matching field in has. */	154	/* If we get here, every field in wants has a matching field in has. */
170	return TRUE;	155	return true;
171	}	156	}
172		157
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	158	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static int	159	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	160	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	161	{
177	/* However, there may be fields in has which aren't partnered in wants,	162	/* However, there may be fields in has which aren't partnered in wants,
178	* so we need to run the comparison *twice*. :(	163	* so we need to run the comparison *twice*. :(
179	*/	164	*/
180	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	165	return compare_ob_value_lists_one (ob1, ob2)
		166	&& compare_ob_value_lists_one (ob2, ob1);
181	}	167	}
182		168
183	/* Function examines the 2 objects given to it, and returns true if	169	/* Function examines the 2 objects given to it, and returns true if
184	* they can be merged together.	170	* they can be merged together.
185	*	171	*
…		…
200	|| ob1->speed != ob2->speed	186	|| ob1->speed != ob2->speed
201	|| ob1->value != ob2->value	187	|| ob1->value != ob2->value
202	|| ob1->name != ob2->name)	188	|| ob1->name != ob2->name)
203	return 0;	189	return 0;
204		190
205	//TODO: this ain't working well, use nicer and correct overflow check
206	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	191	/* Do not merge objects if nrof would overflow, assume nrof
207	* value could not be stored in a sint32 (which unfortunately sometimes is	192	* is always 0 .. 2**31-1 */
208	* used to store nrof).	193	if (ob1->nrof > 0x7fffffff - ob2->nrof)
209	*/
210	if (ob1->nrof + ob2->nrof >= 1UL << 31)
211	return 0;	194	return 0;
212		195
213	/* If the objects have been identified, set the BEEN_APPLIED flag.	196	/* If the objects have been identified, set the BEEN_APPLIED flag.
214	* This is to the comparison of the flags below will be OK. We	197	* This is to the comparison of the flags below will be OK. We
215	* just can't ignore the been applied or identified flags, as they	198	* just can't ignore the been applied or identified flags, as they
216	* are not equal - just if it has been identified, the been_applied	199	* are not equal - just if it has been identified, the been_applied
217	* flags lose any meaning.	200	* flags lose any meaning.
218	*/	201	*/
219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	202	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	203	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
221		204
222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	205	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	206	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
224		207
225	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	208	if (ob1->arch->archname != ob2->arch->archname
226	|| ob1->arch != ob2->arch
227	|| ob1->name != ob2->name	209	|| ob1->name != ob2->name
228	|| ob1->title != ob2->title	210	|| ob1->title != ob2->title
229	|| ob1->msg != ob2->msg	211	|| ob1->msg != ob2->msg
230	|| ob1->weight != ob2->weight	212	|| ob1->weight != ob2->weight
231	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
232	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
233	|| ob1->attacktype != ob2->attacktype	213	|| ob1->attacktype != ob2->attacktype
234	|| ob1->magic != ob2->magic	214	|| ob1->magic != ob2->magic
235	|| ob1->slaying != ob2->slaying	215	|| ob1->slaying != ob2->slaying
236	|| ob1->skill != ob2->skill	216	|| ob1->skill != ob2->skill
237	|| ob1->value != ob2->value	217	|| ob1->value != ob2->value
238	|| ob1->animation_id != ob2->animation_id	218	|| ob1->animation_id != ob2->animation_id
		219	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
239	|| ob1->client_type != ob2->client_type	220	|| ob1->client_type != ob2->client_type
240	|| ob1->materialname != ob2->materialname	221	|| ob1->materialname != ob2->materialname
241	|| ob1->lore != ob2->lore	222	|| ob1->lore != ob2->lore
242	|| ob1->subtype != ob2->subtype	223	|| ob1->subtype != ob2->subtype
243	|| ob1->move_type != ob2->move_type	224	|| ob1->move_type != ob2->move_type
244	|| ob1->move_block != ob2->move_block	225	|| ob1->move_block != ob2->move_block
245	|| ob1->move_allow != ob2->move_allow	226	|| ob1->move_allow != ob2->move_allow
246	|| ob1->move_on != ob2->move_on	227	|| ob1->move_on != ob2->move_on
247	|| ob1->move_off != ob2->move_off	228	|| ob1->move_off != ob2->move_off
248	|| ob1->move_slow != ob2->move_slow	229	|| ob1->move_slow != ob2->move_slow
249	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	230	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		231	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		232	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
250	return 0;	233	return 0;
251		234
		235	if ((ob1->flag ^ ob2->flag)
		236	.reset (FLAG_INV_LOCKED)
		237	.reset (FLAG_CLIENT_SENT)
		238	.reset (FLAG_REMOVED)
		239	.any ())
		240	return 0;
		241
252	/* This is really a spellbook check - really, we should	242	/* This is really a spellbook check - we should in general
253	* check all objects in the inventory.	243	* not merge objects with real inventories, as splitting them
		244	* is hard.
254	*/	245	*/
255	if (ob1->inv || ob2->inv)	246	if (ob1->inv || ob2->inv)
256	{	247	{
257	/* if one object has inventory but the other doesn't, not equiv */	248	if (!(ob1->inv && ob2->inv))
258	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	249	return 0; /* inventories differ in length */
259	return 0;
260		250
261	/* Now check to see if the two inventory objects could merge */	251	if (ob1->inv->below || ob2->inv->below)
		252	return 0; /* more than one object in inv */
		253
262	if (!object::can_merge (ob1->inv, ob2->inv))	254	if (!object::can_merge (ob1->inv, ob2->inv))
263	return 0;	255	return 0; /* inventory objects differ */
264		256
265	/* inventory ok - still need to check rest of this object to see	257	/* inventory ok - still need to check rest of this object to see
266	* if it is valid.	258	* if it is valid.
267	*/	259	*/
268	}	260	}
…		…
287	if (ob1->level != ob2->level)	279	if (ob1->level != ob2->level)
288	return 0;	280	return 0;
289	break;	281	break;
290	}	282	}
291		283
292	if (ob1->key_values != NULL || ob2->key_values != NULL)	284	if (ob1->key_values || ob2->key_values)
293	{	285	{
294	/* At least one of these has key_values. */	286	/* At least one of these has key_values. */
295	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	287	if ((!ob1->key_values) != (!ob2->key_values))
296	/* One has fields, but the other one doesn't. */	288	return 0; /* One has fields, but the other one doesn't. */
		289
		290	if (!compare_ob_value_lists (ob1, ob2))
297	return 0;	291	return 0;
298	else if (!compare_ob_value_lists (ob1, ob2))
299	return 0;
300	}	292	}
301		293
302	//TODO: generate an event or call into perl for additional checks
303	if (ob1->self || ob2->self)	294	if (ob1->self || ob2->self)
304	{	295	{
305	ob1->optimise ();	296	ob1->optimise ();
306	ob2->optimise ();	297	ob2->optimise ();
307		298
308	if (ob1->self || ob2->self)	299	if (ob1->self || ob2->self)
		300	{
		301	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		302	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		303
		304	if (k1 != k2)
309	return 0;	305	return 0;
		306
		307	if (k1 == 0)
		308	return 1;
		309
		310	if (!cfperl_can_merge (ob1, ob2))
		311	return 0;
		312	}
310	}	313	}
311		314
312	/* Everything passes, must be OK. */	315	/* Everything passes, must be OK. */
313	return 1;	316	return 1;
314	}	317	}
315		318
		319	// find player who can see this object
		320	object *
		321	object::visible_to () const
		322	{
		323	if (client_visible () && !flag [FLAG_REMOVED])
		324	{
		325	// see if we are in a container of sorts
		326	if (env)
		327	{
		328	// the player inventory itself is always visible
		329	if (env->type == PLAYER)
		330	return env;
		331
		332	// else a player could have our env open
		333	object *envest = env->outer_env ();
		334
		335	// the player itself is always on a map, so we will find him here
		336	// even if our inv is in a player.
		337	if (envest->is_on_map ())
		338	if (object *pl = envest->ms ().player ())
		339	if (pl->container == env)
		340	return pl;
		341	}
		342	else
		343	{
		344	// maybe there is a player standing on the same mapspace
		345	// this will catch the case where "this" is a player
		346	if (object *pl = ms ().player ())
		347	if ((!pl->container && pl->contr->ns && !pl->contr->ns->update_look)
		348	|| this == pl->container)
		349	return pl;
		350	}
		351	}
		352
		353	return 0;
		354	}
		355
		356	// adjust weight per container type ("of holding")
		357	static sint32
		358	weight_adjust_for (object *op, sint32 weight)
		359	{
		360	return op->type == CONTAINER
		361	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		362	: weight;
		363	}
		364
316	/*	365	/*
		366	* adjust_weight(object, weight) adds the specified weight to an object,
		367	* and also updates how much the environment(s) is/are carrying.
		368	*/
		369	static void
		370	adjust_weight (object *op, sint32 weight)
		371	{
		372	while (op)
		373	{
		374	// adjust by actual difference to account for rounding errors
		375	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		376	weight = weight_adjust_for (op, op->carrying)
		377	- weight_adjust_for (op, op->carrying - weight);
		378
		379	if (!weight)
		380	return;
		381
		382	op->carrying += weight;
		383
		384	if (object *pl = op->visible_to ())
		385	if (pl != op) // player is handled lazily
		386	esrv_update_item (UPD_WEIGHT, pl, op);
		387
		388	op = op->env;
		389	}
		390	}
		391
		392	/*
317	* sum_weight() is a recursive function which calculates the weight	393	* this is a recursive function which calculates the weight
318	* an object is carrying. It goes through in figures out how much	394	* an object is carrying. It goes through op and figures out how much
319	* containers are carrying, and sums it up.	395	* containers are carrying, and sums it up.
320	*/	396	*/
321	long	397	void
322	sum_weight (object *op)	398	object::update_weight ()
323	{	399	{
324	long sum;	400	sint32 sum = 0;
325	object *inv;
326		401
327	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	402	for (object *op = inv; op; op = op->below)
328	{	403	{
329	if (inv->inv)	404	if (op->inv)
330	sum_weight (inv);	405	op->update_weight ();
331	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	406
		407	sum += op->total_weight ();
		408	}
		409
		410	sum = weight_adjust_for (this, sum);
		411
		412	if (sum != carrying)
332	}	413	{
333
334	if (op->type == CONTAINER && op->stats.Str)
335	sum = (sum * (100 - op->stats.Str)) / 100;
336
337	if (op->carrying != sum)
338	op->carrying = sum;	414	carrying = sum;
339		415
340	return sum;	416	if (object *pl = visible_to ())
		417	if (pl != this) // player is handled lazily
		418	esrv_update_item (UPD_WEIGHT, pl, this);
		419	}
341	}	420	}
342		421
343	/**	422	/*
344	* Return the outermost environment object for a given object.	423	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
345	*/	424	*/
346
347	object *
348	object_get_env_recursive (object *op)
349	{
350	while (op->env != NULL)
351	op = op->env;
352	return op;
353	}
354
355	/*
356	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
357	* Some error messages.
358	* The result of the dump is stored in the static global errmsg array.
359	*/
360
361	char *	425	char *
362	dump_object (object *op)	426	dump_object (object *op)
363	{	427	{
364	if (!op)	428	if (!op)
365	return strdup ("[NULLOBJ]");	429	return strdup ("[NULLOBJ]");
366		430
367	object_freezer freezer;	431	object_freezer freezer;
368	save_object (freezer, op, 1);	432	op->write (freezer);
369	return freezer.as_string ();	433	return freezer.as_string ();
370	}	434	}
371		435
372	/*	436	/*
373	* get_nearest_part(multi-object, object 2) returns the part of the	437	* get_nearest_part(multi-object, object 2) returns the part of the
374	* multi-object 1 which is closest to the second object.	438	* multi-object 1 which is closest to the second object.
375	* If it's not a multi-object, it is returned.	439	* If it's not a multi-object, it is returned.
376	*/	440	*/
377
378	object *	441	object *
379	get_nearest_part (object *op, const object *pl)	442	get_nearest_part (object *op, const object *pl)
380	{	443	{
381	object *tmp, *closest;	444	object *tmp, *closest;
382	int last_dist, i;	445	int last_dist, i;
383		446
384	if (op->more == NULL)	447	if (!op->more)
385	return op;	448	return op;
		449
386	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	450	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		451	tmp;
		452	tmp = tmp->more)
387	if ((i = distance (tmp, pl)) < last_dist)	453	if ((i = distance (tmp, pl)) < last_dist)
388	closest = tmp, last_dist = i;	454	closest = tmp, last_dist = i;
		455
389	return closest;	456	return closest;
390	}	457	}
391		458
392	/*	459	/*
393	* Returns the object which has the count-variable equal to the argument.	460	* Returns the object which has the count-variable equal to the argument.
		461	* VERRRY slow.
394	*/	462	*/
395
396	object *	463	object *
397	find_object (tag_t i)	464	find_object (tag_t i)
398	{	465	{
399	for (object *op = object::first; op; op = op->next)	466	for_all_objects (op)
400	if (op->count == i)	467	if (op->count == i)
401	return op;	468	return op;
402		469
403	return 0;	470	return 0;
404	}	471	}
405		472
406	/*	473	/*
407	* Returns the first object which has a name equal to the argument.	474	* Returns the first object which has a name equal to the argument.
408	* Used only by the patch command, but not all that useful.	475	* Used only by the patch command, but not all that useful.
409	* Enables features like "patch <name-of-other-player> food 999"	476	* Enables features like "patch <name-of-other-player> food 999"
410	*/	477	*/
411
412	object *	478	object *
413	find_object_name (const char *str)	479	find_object_name (const char *str)
414	{	480	{
415	shstr_cmp str_ (str);	481	shstr_cmp str_ (str);
416	object *op;
417		482
418	for (op = object::first; op != NULL; op = op->next)	483	if (str_)
		484	for_all_objects (op)
419	if (op->name == str_)	485	if (op->name == str_)
420	break;	486	return op;
421		487
422	return op;	488	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	489	}
430		490
431	/*	491	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	492	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	493	* skill and experience objects.
		494	* ACTUALLY NO! investigate! TODO
434	*/	495	*/
435	void	496	void
436	object::set_owner (object *owner)	497	object::set_owner (object *owner)
437	{	498	{
		499	// allow objects which own objects
438	if (!owner)	500	if (owner)
439	return;
440
441	/* next line added to allow objects which own objects */
442	/* Add a check for ownercounts in here, as I got into an endless loop
443	* with the fireball owning a poison cloud which then owned the
444	* fireball. I believe that was caused by one of the objects getting
445	* freed and then another object replacing it. Since the ownercounts
446	* didn't match, this check is valid and I believe that cause is valid.
447	*/
448	while (owner->owner)	501	while (owner->owner)
449	owner = owner->owner;	502	owner = owner->owner;
		503
		504	if (flag [FLAG_FREED])
		505	{
		506	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		507	return;
		508	}
450		509
451	this->owner = owner;	510	this->owner = owner;
		511	}
		512
		513	int
		514	object::slottype () const
		515	{
		516	if (type == SKILL)
		517	{
		518	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		519	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		520	}
		521	else
		522	{
		523	if (slot [body_combat].info) return slot_combat;
		524	if (slot [body_range ].info) return slot_ranged;
		525	}
		526
		527	return slot_none;
		528	}
		529
		530	bool
		531	object::change_weapon (object *ob)
		532	{
		533	if (current_weapon == ob)
		534	return true;
		535
		536	if (chosen_skill)
		537	chosen_skill->flag [FLAG_APPLIED] = false;
		538
		539	current_weapon = ob;
		540	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		541
		542	if (chosen_skill)
		543	chosen_skill->flag [FLAG_APPLIED] = true;
		544
		545	update_stats ();
		546
		547	if (ob)
		548	{
		549	// now check wether any body locations became invalid, in which case
		550	// we cannot apply the weapon at the moment.
		551	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		552	if (slot[i].used < 0)
		553	{
		554	current_weapon = chosen_skill = 0;
		555	update_stats ();
		556
		557	new_draw_info_format (NDI_UNIQUE, 0, this,
		558	"You try to balance all your items at once, "
		559	"but the %s is just too much for your body. "
		560	"[You need to unapply some items first.]", &ob->name);
		561	return false;
		562	}
		563
		564	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		565	}
		566	else
		567	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		568
		569	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		570	{
		571	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		572	&name, ob->debug_desc ());
		573	return false;
		574	}
		575
		576	return true;
452	}	577	}
453		578
454	/* Zero the key_values on op, decrementing the shared-string	579	/* Zero the key_values on op, decrementing the shared-string
455	* refcounts and freeing the links.	580	* refcounts and freeing the links.
456	*/	581	*/
457	static void	582	static void
458	free_key_values (object *op)	583	free_key_values (object *op)
459	{	584	{
460	for (key_value *i = op->key_values; i != 0;)	585	for (key_value *i = op->key_values; i; )
461	{	586	{
462	key_value *next = i->next;	587	key_value *next = i->next;
463	delete i;	588	delete i;
464		589
465	i = next;	590	i = next;
…		…
477	* will point at garbage.	602	* will point at garbage.
478	*/	603	*/
479	void	604	void
480	object::copy_to (object *dst)	605	object::copy_to (object *dst)
481	{	606	{
482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	607	dst->remove ();
483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
484
485	*(object_copy *)dst = *this;	608	*(object_copy *)dst = *this;
486		609	dst->flag [FLAG_REMOVED] = true;
487	if (is_freed)
488	SET_FLAG (dst, FLAG_FREED);
489
490	if (is_removed)
491	SET_FLAG (dst, FLAG_REMOVED);
492
493	if (speed < 0)
494	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
495		610
496	/* Copy over key_values, if any. */	611	/* Copy over key_values, if any. */
497	if (key_values)	612	if (key_values)
498	{	613	{
499	key_value *tail = 0;	614	key_value *tail = 0;
500	key_value *i;
501
502	dst->key_values = 0;	615	dst->key_values = 0;
503		616
504	for (i = key_values; i; i = i->next)	617	for (key_value *i = key_values; i; i = i->next)
505	{	618	{
506	key_value *new_link = new key_value;	619	key_value *new_link = new key_value;
507		620
508	new_link->next = 0;	621	new_link->next = 0;
509	new_link->key = i->key;	622	new_link->key = i->key;
510	new_link->value = i->value;	623	new_link->value = i->value;
511		624
512	/* Try and be clever here, too. */	625	/* Try and be clever here, too. */
513	if (!dst->key_values)	626	if (!dst->key_values)
514	{	627	{
…		…
521	tail = new_link;	634	tail = new_link;
522	}	635	}
523	}	636	}
524	}	637	}
525		638
		639	if (speed < 0)
		640	dst->speed_left -= rndm ();
		641
526	dst->set_speed (dst->speed);	642	dst->set_speed (dst->speed);
		643	}
		644
		645	void
		646	object::instantiate ()
		647	{
		648	if (!uuid.seq) // HACK
		649	uuid = UUID::gen ();
		650
		651	speed_left = -0.1f;
		652	/* copy the body_info to the body_used - this is only really
		653	* need for monsters, but doesn't hurt to do it for everything.
		654	* by doing so, when a monster is created, it has good starting
		655	* values for the body_used info, so when items are created
		656	* for it, they can be properly equipped.
		657	*/
		658	for (int i = NUM_BODY_LOCATIONS; i--; )
		659	slot[i].used = slot[i].info;
		660
		661	attachable::instantiate ();
527	}	662	}
528		663
529	object *	664	object *
530	object::clone ()	665	object::clone ()
531	{	666	{
532	object *neu = create ();	667	object *neu = create ();
533	copy_to (neu);	668	copy_to (neu);
		669	neu->map = map; // not copied by copy_to
534	return neu;	670	return neu;
535	}	671	}
536		672
537	/*	673	/*
538	* If an object with the IS_TURNABLE() flag needs to be turned due	674	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
589	* UP_OBJ_FACE: only the objects face has changed.	725	* UP_OBJ_FACE: only the objects face has changed.
590	*/	726	*/
591	void	727	void
592	update_object (object *op, int action)	728	update_object (object *op, int action)
593	{	729	{
594	MoveType move_on, move_off, move_block, move_slow;	730	if (!op)
595
596	if (op == NULL)
597	{	731	{
598	/* this should never happen */	732	/* this should never happen */
599	LOG (llevDebug, "update_object() called for NULL object.\n");	733	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
600	return;	734	return;
601	}	735	}
602		736
603	if (op->env)	737	if (!op->is_on_map ())
604	{	738	{
605	/* Animation is currently handled by client, so nothing	739	/* Animation is currently handled by client, so nothing
606	* to do in this case.	740	* to do in this case.
607	*/	741	*/
608	return;	742	return;
609	}	743	}
610
611	/* If the map is saving, don't do anything as everything is
612	* going to get freed anyways.
613	*/
614	if (!op->map || op->map->in_memory == MAP_SAVING)
615	return;
616		744
617	/* make sure the object is within map boundaries */	745	/* make sure the object is within map boundaries */
618	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	746	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
619	{	747	{
620	LOG (llevError, "update_object() called for object out of map!\n");	748	LOG (llevError, "update_object() called for object out of map!\n");
…		…
639	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	767	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
640	|| (m.move_on | op->move_on ) != m.move_on	768	|| (m.move_on | op->move_on ) != m.move_on
641	|| (m.move_off | op->move_off ) != m.move_off	769	|| (m.move_off | op->move_off ) != m.move_off
642	|| (m.move_slow | op->move_slow) != m.move_slow	770	|| (m.move_slow | op->move_slow) != m.move_slow
643	/* This isn't perfect, but I don't expect a lot of objects to	771	/* This isn't perfect, but I don't expect a lot of objects to
644	* to have move_allow right now.	772	* have move_allow right now.
645	*/	773	*/
646	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	774	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
647	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	775	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
648	m.flags_ = 0;	776	m.flags_ = 0;
649	}	777	}
…		…
660		788
661	if (op->more)	789	if (op->more)
662	update_object (op->more, action);	790	update_object (op->more, action);
663	}	791	}
664		792
665	object *object::first;
666
667	object::object ()	793	object::object ()
668	{	794	{
669	SET_FLAG (this, FLAG_REMOVED);	795	SET_FLAG (this, FLAG_REMOVED);
670		796
671	expmul = 1.0;	797	expmul = 1.0;
672	face = blank_face;	798	face = blank_face;
673	}	799	}
674		800
675	object::~object ()	801	object::~object ()
676	{	802	{
		803	unlink ();
		804
677	free_key_values (this);	805	free_key_values (this);
678	}	806	}
679		807
		808	static int object_count;
		809
680	void object::link ()	810	void object::link ()
681	{	811	{
		812	assert (!index);//D
		813	uuid = UUID::gen ();
682	count = ++ob_count;	814	count = ++object_count;
683	uuid = gen_uuid ();
684		815
685	prev = 0;	816	refcnt_inc ();
686	next = object::first;	817	objects.insert (this);
687
688	if (object::first)
689	object::first->prev = this;
690
691	object::first = this;
692	}	818	}
693		819
694	void object::unlink ()	820	void object::unlink ()
695	{	821	{
696	if (this == object::first)	822	if (!index)
697	object::first = next;	823	return;
698		824
699	/* Remove this object from the list of used objects */	825	objects.erase (this);
700	if (prev) prev->next = next;	826	refcnt_dec ();
701	if (next) next->prev = prev;
702
703	prev = 0;
704	next = 0;
705	}
706
707	bool
708	object::active () const
709	{
710	return active_next || active_prev || this == active_objects;
711	}	827	}
712		828
713	void	829	void
714	object::activate ()	830	object::activate ()
715	{	831	{
716	/* If already on active list, don't do anything */	832	/* If already on active list, don't do anything */
717	if (active ())	833	if (active)
718	return;	834	return;
719		835
720	if (has_active_speed ())	836	if (has_active_speed ())
721	{	837	actives.insert (this);
722	/* process_events() expects us to insert the object at the beginning
723	* of the list. */
724	active_next = active_objects;
725
726	if (active_next)
727	active_next->active_prev = this;
728
729	active_objects = this;
730	}
731	}	838	}
732		839
733	void	840	void
734	object::activate_recursive ()	841	object::activate_recursive ()
735	{	842	{
…		…
749	*/	856	*/
750	void	857	void
751	object::deactivate ()	858	object::deactivate ()
752	{	859	{
753	/* If not on the active list, nothing needs to be done */	860	/* If not on the active list, nothing needs to be done */
754	if (!active ())	861	if (!active)
755	return;	862	return;
756		863
757	if (active_prev == 0)	864	actives.erase (this);
758	{
759	active_objects = active_next;
760	if (active_next)
761	active_next->active_prev = 0;
762	}
763	else
764	{
765	active_prev->active_next = active_next;
766	if (active_next)
767	active_next->active_prev = active_prev;
768	}
769
770	active_next = 0;
771	active_prev = 0;
772	}	865	}
773		866
774	void	867	void
775	object::deactivate_recursive ()	868	object::deactivate_recursive ()
776	{	869	{
777	for (object *op = inv; op; op = op->below)	870	for (object *op = inv; op; op = op->below)
778	op->deactivate_recursive ();	871	op->deactivate_recursive ();
779		872
780	deactivate ();	873	deactivate ();
		874	}
		875
		876	void
		877	object::set_flag_inv (int flag, int value)
		878	{
		879	for (object *op = inv; op; op = op->below)
		880	{
		881	op->flag [flag] = value;
		882	op->set_flag_inv (flag, value);
		883	}
781	}	884	}
782		885
783	/*	886	/*
784	* Remove and free all objects in the inventory of the given object.	887	* Remove and free all objects in the inventory of the given object.
785	* object.c ?	888	* object.c ?
…		…
788	object::destroy_inv (bool drop_to_ground)	891	object::destroy_inv (bool drop_to_ground)
789	{	892	{
790	// need to check first, because the checks below might segfault	893	// need to check first, because the checks below might segfault
791	// as we might be on an invalid mapspace and crossfire code	894	// as we might be on an invalid mapspace and crossfire code
792	// is too buggy to ensure that the inventory is empty.	895	// is too buggy to ensure that the inventory is empty.
793	// corollary: if you create arrows etc. with stuff in tis inventory,	896	// corollary: if you create arrows etc. with stuff in its inventory,
794	// cf will crash below with off-map x and y	897	// cf will crash below with off-map x and y
795	if (!inv)	898	if (!inv)
796	return;	899	return;
797		900
798	/* Only if the space blocks everything do we not process -	901	/* Only if the space blocks everything do we not process -
799	* if some form of movement is allowed, let objects	902	* if some form of movement is allowed, let objects
800	* drop on that space.	903	* drop on that space.
801	*/	904	*/
802	if (!drop_to_ground	905	if (!drop_to_ground
803	|| !map	906	|| !map
804	|| map->in_memory != MAP_IN_MEMORY	907	|| map->in_memory != MAP_ACTIVE
		908	|| map->no_drop
805	|| ms ().move_block == MOVE_ALL)	909	|| ms ().move_block == MOVE_ALL)
806	{	910	{
807	while (inv)	911	while (inv)
808	{
809	inv->destroy_inv (drop_to_ground);
810	inv->destroy ();	912	inv->destroy (true);
811	}
812	}	913	}
813	else	914	else
814	{ /* Put objects in inventory onto this space */	915	{ /* Put objects in inventory onto this space */
815	while (inv)	916	while (inv)
816	{	917	{
…		…
818		919
819	if (op->flag [FLAG_STARTEQUIP]	920	if (op->flag [FLAG_STARTEQUIP]
820	|| op->flag [FLAG_NO_DROP]	921	|| op->flag [FLAG_NO_DROP]
821	|| op->type == RUNE	922	|| op->type == RUNE
822	|| op->type == TRAP	923	|| op->type == TRAP
823	|| op->flag [FLAG_IS_A_TEMPLATE])	924	|| op->flag [FLAG_IS_A_TEMPLATE]
		925	|| op->flag [FLAG_DESTROY_ON_DEATH])
824	op->destroy ();	926	op->destroy (true);
825	else	927	else
826	map->insert (op, x, y);	928	map->insert (op, x, y);
827	}	929	}
828	}	930	}
829	}	931	}
…		…
833	object *op = new object;	935	object *op = new object;
834	op->link ();	936	op->link ();
835	return op;	937	return op;
836	}	938	}
837		939
		940	static struct freed_map : maptile
		941	{
		942	freed_map ()
		943	{
		944	path = "<freed objects map>";
		945	name = "/internal/freed_objects_map";
		946	width = 3;
		947	height = 3;
		948	no_drop = 1;
		949	no_reset = 1;
		950
		951	alloc ();
		952	in_memory = MAP_ACTIVE;
		953	}
		954
		955	~freed_map ()
		956	{
		957	destroy ();
		958	}
		959	} freed_map; // freed objects are moved here to avoid crashes
		960
838	void	961	void
839	object::do_destroy ()	962	object::do_destroy ()
840	{	963	{
841	if (flag [FLAG_IS_LINKED])	964	if (flag [FLAG_IS_LINKED])
842	remove_button_link (this);	965	remove_button_link (this);
843		966
844	if (flag [FLAG_FRIENDLY])	967	if (flag [FLAG_FRIENDLY])
845	remove_friendly_object (this);	968	remove_friendly_object (this);
846		969
847	if (!flag [FLAG_REMOVED])
848	remove ();	970	remove ();
849		971
850	if (flag [FLAG_FREED])	972	attachable::do_destroy ();
851	return;
852		973
853	set_speed (0);	974	deactivate ();
		975	unlink ();
854		976
855	flag [FLAG_FREED] = 1;	977	flag [FLAG_FREED] = 1;
856		978
857	attachable::do_destroy ();
858
859	destroy_inv (true);
860	unlink ();
861
862	// hack to ensure that freed objects still have a valid map	979	// hack to ensure that freed objects still have a valid map
863	{
864	static maptile *freed_map; // freed objects are moved here to avoid crashes
865
866	if (!freed_map)
867	{
868	freed_map = new maptile;
869
870	freed_map->name = "/internal/freed_objects_map";
871	freed_map->width = 3;
872	freed_map->height = 3;
873
874	freed_map->alloc ();
875	freed_map->in_memory = MAP_IN_MEMORY;
876	}
877
878	map = freed_map;	980	map = &freed_map;
879	x = 1;	981	x = 1;
880	y = 1;	982	y = 1;
881	}
882
883	head = 0;
884		983
885	if (more)	984	if (more)
886	{	985	{
887	more->destroy ();	986	more->destroy ();
888	more = 0;	987	more = 0;
889	}	988	}
890		989
		990	head = 0;
		991
891	// clear those pointers that likely might have circular references to us	992	// clear those pointers that likely might cause circular references
892	owner = 0;	993	owner = 0;
893	enemy = 0;	994	enemy = 0;
894	attacked_by = 0;	995	attacked_by = 0;
895		996	current_weapon = 0;
896	// only relevant for players(?), but make sure of it anyways
897	contr = 0;
898	}	997	}
899		998
900	void	999	void
901	object::destroy (bool destroy_inventory)	1000	object::destroy (bool destroy_inventory)
902	{	1001	{
903	if (destroyed ())	1002	if (destroyed ())
904	return;	1003	return;
905		1004
		1005	if (!is_head () && !head->destroyed ())
		1006	{
		1007	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1008	head->destroy (destroy_inventory);
		1009	return;
		1010	}
		1011
906	if (destroy_inventory)	1012	destroy_inv (!destroy_inventory);
907	destroy_inv (false);	1013
		1014	if (is_head ())
		1015	if (sound_destroy)
		1016	play_sound (sound_destroy);
		1017	else if (flag [FLAG_MONSTER])
		1018	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
908		1019
909	attachable::destroy ();	1020	attachable::destroy ();
910	}
911
912	/*
913	* sub_weight() recursively (outwards) subtracts a number from the
914	* weight of an object (and what is carried by it's environment(s)).
915	*/
916	void
917	sub_weight (object *op, signed long weight)
918	{
919	while (op != NULL)
920	{
921	if (op->type == CONTAINER)
922	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
923
924	op->carrying -= weight;
925	op = op->env;
926	}
927	}	1021	}
928		1022
929	/* op->remove ():	1023	/* op->remove ():
930	* This function removes the object op from the linked list of objects	1024	* This function removes the object op from the linked list of objects
931	* which it is currently tied to. When this function is done, the	1025	* which it is currently tied to. When this function is done, the
932	* object will have no environment. If the object previously had an	1026	* object will have no environment. If the object previously had an
933	* environment, the x and y coordinates will be updated to	1027	* environment, the x and y coordinates will be updated to
934	* the previous environment.	1028	* the previous environment.
935	* Beware: This function is called from the editor as well!
936	*/	1029	*/
937	void	1030	void
938	object::remove ()	1031	object::do_remove ()
939	{	1032	{
940	object *tmp, *last = 0;	1033	object *tmp, *last = 0;
941	object *otmp;	1034	object *otmp;
942		1035
943	if (QUERY_FLAG (this, FLAG_REMOVED))	1036	if (flag [FLAG_REMOVED])
944	return;	1037	return;
945		1038
946	SET_FLAG (this, FLAG_REMOVED);
947	INVOKE_OBJECT (REMOVE, this);	1039	INVOKE_OBJECT (REMOVE, this);
		1040
		1041	flag [FLAG_REMOVED] = true;
948		1042
949	if (more)	1043	if (more)
950	more->remove ();	1044	more->remove ();
951		1045
952	/*	1046	/*
953	* In this case, the object to be removed is in someones	1047	* In this case, the object to be removed is in someones
954	* inventory.	1048	* inventory.
955	*/	1049	*/
956	if (env)	1050	if (env)
957	{	1051	{
958	if (nrof)	1052	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
959	sub_weight (env, weight * nrof);	1053	if (object *pl = visible_to ())
960	else	1054	esrv_del_item (pl->contr, count);
961	sub_weight (env, weight + carrying);	1055	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1056
		1057	adjust_weight (env, -total_weight ());
		1058
		1059	/* we set up values so that it could be inserted into
		1060	* the map, but we don't actually do that - it is up
		1061	* to the caller to decide what we want to do.
		1062	*/
		1063	map = env->map;
		1064	x = env->x;
		1065	y = env->y;
		1066
		1067	// make sure cmov optimisation is applicable
		1068	*(above ? &above->below : &env->inv) = below;
		1069	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1070
		1071	above = 0;
		1072	below = 0;
		1073	env = 0;
962		1074
963	/* NO_FIX_PLAYER is set when a great many changes are being	1075	/* NO_FIX_PLAYER is set when a great many changes are being
964	* made to players inventory. If set, avoiding the call	1076	* made to players inventory. If set, avoiding the call
965	* to save cpu time.	1077	* to save cpu time.
966	*/	1078	*/
967	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1079	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
968	otmp->update_stats ();	1080	otmp->update_stats ();
969
970	if (above)
971	above->below = below;
972	else
973	env->inv = below;
974
975	if (below)
976	below->above = above;
977
978	/* we set up values so that it could be inserted into
979	* the map, but we don't actually do that - it is up
980	* to the caller to decide what we want to do.
981	*/
982	x = env->x, y = env->y;
983	map = env->map;
984	above = 0, below = 0;
985	env = 0;
986	}	1081	}
987	else if (map)	1082	else if (map)
988	{	1083	{
989	if (type == PLAYER)	1084	map->dirty = true;
		1085	mapspace &ms = this->ms ();
		1086
		1087	if (object *pl = ms.player ())
990	{	1088	{
		1089	if (type == PLAYER) // this == pl(!)
		1090	{
		1091	// leaving a spot always closes any open container on the ground
		1092	if (container && !container->env)
		1093	// this causes spurious floorbox updates, but it ensures
		1094	// that the CLOSE event is being sent.
		1095	close_container ();
		1096
991	--map->players;	1097	--map->players;
992	map->touch ();	1098	map->touch ();
		1099	}
		1100	else if (pl->container == this)
		1101	{
		1102	// removing a container should close it
		1103	close_container ();
		1104	}
		1105
		1106	esrv_del_item (pl->contr, count);
993	}	1107	}
994		1108
995	map->dirty = true;
996
997	/* link the object above us */	1109	/* link the object above us */
998	if (above)	1110	// re-link, make sure compiler can easily use cmove
999	above->below = below;	1111	*(above ? &above->below : &ms.top) = below;
1000	else	1112	*(below ? &below->above : &ms.bot) = above;
1001	map->at (x, y).top = below; /* we were top, set new top */
1002
1003	/* Relink the object below us, if there is one */
1004	if (below)
1005	below->above = above;
1006	else
1007	{
1008	/* Nothing below, which means we need to relink map object for this space
1009	* use translated coordinates in case some oddness with map tiling is
1010	* evident
1011	*/
1012	if (GET_MAP_OB (map, x, y) != this)
1013	{
1014	char *dump = dump_object (this);
1015	LOG (llevError,
1016	"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);
1017	free (dump);
1018	dump = dump_object (GET_MAP_OB (map, x, y));
1019	LOG (llevError, "%s\n", dump);
1020	free (dump);
1021	}
1022
1023	map->at (x, y).bot = above; /* goes on above it. */
1024	}
1025		1113
1026	above = 0;	1114	above = 0;
1027	below = 0;	1115	below = 0;
1028		1116
		1117	ms.flags_ = 0;
		1118
1029	if (map->in_memory == MAP_SAVING)	1119	if (map->in_memory == MAP_SAVING)
1030	return;	1120	return;
1031		1121
1032	int check_walk_off = !flag [FLAG_NO_APPLY];	1122	int check_walk_off = !flag [FLAG_NO_APPLY];
1033		1123
		1124	if (object *pl = ms.player ())
		1125	{
		1126	if (pl->container == this)
		1127	/* If a container that the player is currently using somehow gets
		1128	* removed (most likely destroyed), update the player view
		1129	* appropriately.
		1130	*/
		1131	pl->close_container ();
		1132
		1133	//TODO: the floorbox prev/next might need updating
		1134	//esrv_del_item (pl->contr, count);
		1135	//TODO: update floorbox to preserve ordering
		1136	if (pl->contr->ns)
		1137	pl->contr->ns->floorbox_update ();
		1138	}
		1139
1034	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1140	for (tmp = ms.bot; tmp; tmp = tmp->above)
1035	{	1141	{
1036	/* No point updating the players look faces if he is the object	1142	/* No point updating the players look faces if he is the object
1037	* being removed.	1143	* being removed.
1038	*/	1144	*/
1039
1040	if (tmp->type == PLAYER && tmp != this)
1041	{
1042	/* If a container that the player is currently using somehow gets
1043	* removed (most likely destroyed), update the player view
1044	* appropriately.
1045	*/
1046	if (tmp->container == this)
1047	{
1048	flag [FLAG_APPLIED] = 0;
1049	tmp->container = 0;
1050	}
1051
1052	if (tmp->contr->ns)
1053	tmp->contr->ns->floorbox_update ();
1054	}
1055		1145
1056	/* See if object moving off should effect something */	1146	/* See if object moving off should effect something */
1057	if (check_walk_off	1147	if (check_walk_off
1058	&& ((move_type & tmp->move_off)	1148	&& ((move_type & tmp->move_off)
1059	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1149	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1062		1152
1063	if (destroyed ())	1153	if (destroyed ())
1064	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1154	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1065	}	1155	}
1066		1156
1067	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1068	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1069	if (tmp->above == tmp)
1070	tmp->above = 0;
1071
1072	last = tmp;	1157	last = tmp;
1073	}	1158	}
1074
1075	/* last == NULL if there are no objects on this space */
1076	//TODO: this makes little sense, why only update the topmost object?
1077	if (!last)
1078	map->at (x, y).flags_ = 0;
1079	else
1080	update_object (last, UP_OBJ_REMOVE);
1081		1159
1082	if (flag [FLAG_BLOCKSVIEW] || glow_radius)	1160	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1083	update_all_los (map, x, y);	1161	update_all_los (map, x, y);
1084	}	1162	}
1085	}	1163	}
…		…
1096	merge_ob (object *op, object *top)	1174	merge_ob (object *op, object *top)
1097	{	1175	{
1098	if (!op->nrof)	1176	if (!op->nrof)
1099	return 0;	1177	return 0;
1100		1178
1101	if (top)	1179	if (!top)
1102	for (top = op; top && top->above; top = top->above)	1180	for (top = op; top && top->above; top = top->above)
1103	;	1181	;
1104		1182
1105	for (; top; top = top->below)	1183	for (; top; top = top->below)
1106	{
1107	if (top == op)
1108	continue;
1109
1110	if (object::can_merge (op, top))	1184	if (object::can_merge (op, top))
1111	{	1185	{
1112	top->nrof += op->nrof;	1186	top->nrof += op->nrof;
1113		1187
1114	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1188	if (object *pl = top->visible_to ())
1115	op->weight = 0; /* Don't want any adjustements now */	1189	esrv_update_item (UPD_NROF, pl, top);
		1190
		1191	op->weight = 0; // cancel the addition above
		1192	op->carrying = 0; // must be 0 already
		1193
1116	op->destroy ();	1194	op->destroy (1);
		1195
1117	return top;	1196	return top;
1118	}	1197	}
1119	}
1120		1198
1121	return 0;	1199	return 0;
1122	}	1200	}
1123		1201
		1202	void
		1203	object::expand_tail ()
		1204	{
		1205	if (more)
		1206	return;
		1207
		1208	object *prev = this;
		1209
		1210	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1211	{
		1212	object *op = arch_to_object (at);
		1213
		1214	op->name = name;
		1215	op->name_pl = name_pl;
		1216	op->title = title;
		1217
		1218	op->head = this;
		1219	prev->more = op;
		1220
		1221	prev = op;
		1222	}
		1223	}
		1224
1124	/*	1225	/*
1125	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1226	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1126	* job preparing multi-part monsters	1227	* job preparing multi-part monsters.
1127	*/	1228	*/
1128	object *	1229	object *
1129	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1230	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1130	{	1231	{
		1232	op->remove ();
		1233
1131	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1234	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1132	{	1235	{
1133	tmp->x = x + tmp->arch->clone.x;	1236	tmp->x = x + tmp->arch->x;
1134	tmp->y = y + tmp->arch->clone.y;	1237	tmp->y = y + tmp->arch->y;
1135	}	1238	}
1136		1239
1137	return insert_ob_in_map (op, m, originator, flag);	1240	return insert_ob_in_map (op, m, originator, flag);
1138	}	1241	}
1139		1242
…		…
1158	* just 'op' otherwise	1261	* just 'op' otherwise
1159	*/	1262	*/
1160	object *	1263	object *
1161	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1264	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1162	{	1265	{
1163	object *tmp, *top, *floor = NULL;	1266	if (op->is_on_map ())
1164	sint16 x, y;
1165
1166	if (QUERY_FLAG (op, FLAG_FREED))
1167	{
1168	LOG (llevError, "Trying to insert freed object!\n");
1169	return NULL;
1170	}	1267	{
1171		1268	LOG (llevError, "insert_ob_in_map called for object already on map");
1172	if (!m)
1173	{
1174	char *dump = dump_object (op);
1175	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1176	free (dump);
1177	return op;
1178	}
1179
1180	if (out_of_map (m, op->x, op->y))
1181	{
1182	char *dump = dump_object (op);
1183	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1184	#ifdef MANY_CORES
1185	/* Better to catch this here, as otherwise the next use of this object
1186	* is likely to cause a crash. Better to find out where it is getting
1187	* improperly inserted.
1188	*/
1189	abort ();	1269	abort ();
1190	#endif
1191	free (dump);
1192	return op;
1193	}
1194
1195	if (!QUERY_FLAG (op, FLAG_REMOVED))
1196	{	1270	}
1197	char *dump = dump_object (op);
1198	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1199	free (dump);
1200	return op;
1201	}
1202		1271
1203	if (op->more)	1272	if (op->env)
1204	{
1205	/* The part may be on a different map. */
1206
1207	object *more = op->more;
1208
1209	/* We really need the caller to normalise coordinates - if
1210	* we set the map, that doesn't work if the location is within
1211	* a map and this is straddling an edge. So only if coordinate
1212	* is clear wrong do we normalise it.
1213	*/
1214	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1215	more->map = get_map_from_coord (m, &more->x, &more->y);
1216	else if (!more->map)
1217	{
1218	/* For backwards compatibility - when not dealing with tiled maps,
1219	* more->map should always point to the parent.
1220	*/
1221	more->map = m;
1222	}
1223
1224	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1225	{
1226	if (!op->head)
1227	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1228
1229	return 0;
1230	}
1231	}	1273	{
		1274	LOG (llevError, "insert_ob_in_map called for object in an inventory (proceeding)");
		1275	op->remove ();
		1276	}
1232		1277
1233	CLEAR_FLAG (op, FLAG_REMOVED);	1278	if (op->face && !face_info (op->face))//D TODO: remove soon
		1279	{//D
		1280	LOG (llevError | logBacktrace, "op->face out of bounds: %s", op->debug_desc ());//D
		1281	op->face = 1;//D
		1282	}//D
1234		1283
1235	/* Ideally, the caller figures this out. However, it complicates a lot	1284	/* Ideally, the caller figures this out. However, it complicates a lot
1236	* of areas of callers (eg, anything that uses find_free_spot would now	1285	* of areas of callers (eg, anything that uses find_free_spot would now
1237	* need extra work	1286	* need extra work
1238	*/	1287	*/
1239	op->map = get_map_from_coord (m, &op->x, &op->y);	1288	if (!xy_normalise (m, op->x, op->y))
1240	x = op->x;	1289	{
1241	y = op->y;	1290	op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found
		1291	return 0;
		1292	}
		1293
		1294	if (object *more = op->more)
		1295	if (!insert_ob_in_map (more, m, originator, flag))
		1296	return 0;
		1297
		1298	CLEAR_FLAG (op, FLAG_REMOVED);
		1299
		1300	op->map = m;
		1301	mapspace &ms = op->ms ();
1242		1302
1243	/* this has to be done after we translate the coordinates.	1303	/* this has to be done after we translate the coordinates.
1244	*/	1304	*/
1245	if (op->nrof && !(flag & INS_NO_MERGE))	1305	if (op->nrof && !(flag & INS_NO_MERGE))
1246	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)	1306	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1247	if (object::can_merge (op, tmp))	1307	if (object::can_merge (op, tmp))
1248	{	1308	{
		1309	// TODO: we actually want to update tmp, not op,
		1310	// but some caller surely breaks when we return tmp
		1311	// from here :/
1249	op->nrof += tmp->nrof;	1312	op->nrof += tmp->nrof;
1250	tmp->destroy ();	1313	tmp->destroy (1);
1251	}	1314	}
1252		1315
1253	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1316	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1254	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1317	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1255		1318
…		…
1262	{	1325	{
1263	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1326	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1264	abort ();	1327	abort ();
1265	}	1328	}
1266		1329
		1330	if (!originator->is_on_map ())
		1331	LOG (llevDebug | logBacktrace, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1332	op->debug_desc (), originator->debug_desc ());
		1333
1267	op->above = originator;	1334	op->above = originator;
1268	op->below = originator->below;	1335	op->below = originator->below;
1269
1270	if (op->below)
1271	op->below->above = op;
1272	else
1273	op->ms ().bot = op;
1274
1275	/* since *below* originator, no need to update top */
1276	originator->below = op;	1336	originator->below = op;
		1337
		1338	*(op->below ? &op->below->above : &ms.bot) = op;
1277	}	1339	}
1278	else	1340	else
1279	{	1341	{
		1342	object *floor = 0;
		1343	object *top = ms.top;
		1344
1280	/* If there are other objects, then */	1345	/* If there are other objects, then */
1281	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1346	if (top)
1282	{	1347	{
1283	object *last = 0;
1284
1285	/*	1348	/*
1286	* If there are multiple objects on this space, we do some trickier handling.	1349	* If there are multiple objects on this space, we do some trickier handling.
1287	* We've already dealt with merging if appropriate.	1350	* We've already dealt with merging if appropriate.
1288	* Generally, we want to put the new object on top. But if	1351	* Generally, we want to put the new object on top. But if
1289	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1352	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1292	* once we get to them. This reduces the need to traverse over all of	1355	* once we get to them. This reduces the need to traverse over all of
1293	* them when adding another one - this saves quite a bit of cpu time	1356	* them when adding another one - this saves quite a bit of cpu time
1294	* when lots of spells are cast in one area. Currently, it is presumed	1357	* when lots of spells are cast in one area. Currently, it is presumed
1295	* that flying non pickable objects are spell objects.	1358	* that flying non pickable objects are spell objects.
1296	*/	1359	*/
1297	while (top)	1360	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1298	{	1361	{
1299	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1362	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1300	floor = top;	1363	floor = tmp;
1301		1364
1302	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1365	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1303	{	1366	{
1304	/* We insert above top, so we want this object below this */	1367	/* We insert above top, so we want this object below this */
1305	top = top->below;	1368	top = tmp->below;
1306	break;	1369	break;
1307	}	1370	}
1308		1371
1309	last = top;
1310	top = top->above;	1372	top = tmp;
1311	}	1373	}
1312
1313	/* Don't want top to be NULL, so set it to the last valid object */
1314	top = last;
1315		1374
1316	/* We let update_position deal with figuring out what the space	1375	/* We let update_position deal with figuring out what the space
1317	* looks like instead of lots of conditions here.	1376	* looks like instead of lots of conditions here.
1318	* makes things faster, and effectively the same result.	1377	* makes things faster, and effectively the same result.
1319	*/	1378	*/
1320		1379
1321	/* Have object 'fall below' other objects that block view.	1380	/* Have object 'fall below' other objects that block view.
1322	* Unless those objects are exits, type 66	1381	* Unless those objects are exits.
1323	* If INS_ON_TOP is used, don't do this processing	1382	* If INS_ON_TOP is used, don't do this processing
1324	* Need to find the object that in fact blocks view, otherwise	1383	* Need to find the object that in fact blocks view, otherwise
1325	* stacking is a bit odd.	1384	* stacking is a bit odd.
1326	*/	1385	*/
1327	if (!(flag & INS_ON_TOP) &&	1386	if (!(flag & INS_ON_TOP)
1328	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1387	&& ms.flags () & P_BLOCKSVIEW
		1388	&& (op->face && !faces [op->face].visibility))
1329	{	1389	{
		1390	object *last;
		1391
1330	for (last = top; last != floor; last = last->below)	1392	for (last = top; last != floor; last = last->below)
1331	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1393	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1332	break;	1394	break;
		1395
1333	/* Check to see if we found the object that blocks view,	1396	/* Check to see if we found the object that blocks view,
1334	* and make sure we have a below pointer for it so that	1397	* and make sure we have a below pointer for it so that
1335	* we can get inserted below this one, which requires we	1398	* we can get inserted below this one, which requires we
1336	* set top to the object below us.	1399	* set top to the object below us.
1337	*/	1400	*/
1338	if (last && last->below && last != floor)	1401	if (last && last->below && last != floor)
1339	top = last->below;	1402	top = last->below;
1340	}	1403	}
1341	} /* If objects on this space */	1404	} /* If objects on this space */
1342		1405
1343	if (flag & INS_MAP_LOAD)
1344	top = GET_MAP_TOP (op->map, op->x, op->y);
1345
1346	if (flag & INS_ABOVE_FLOOR_ONLY)	1406	if (flag & INS_ABOVE_FLOOR_ONLY)
1347	top = floor;	1407	top = floor;
1348		1408
1349	/* Top is the object that our object (op) is going to get inserted above.	1409	// insert object above top, or bottom-most if top = 0
1350	*/
1351
1352	/* First object on this space */
1353	if (!top)	1410	if (!top)
1354	{	1411	{
1355	op->above = GET_MAP_OB (op->map, op->x, op->y);
1356
1357	if (op->above)
1358	op->above->below = op;
1359
1360	op->below = 0;	1412	op->below = 0;
		1413	op->above = ms.bot;
1361	op->ms ().bot = op;	1414	ms.bot = op;
		1415
		1416	*(op->above ? &op->above->below : &ms.top) = op;
1362	}	1417	}
1363	else	1418	else
1364	{ /* get inserted into the stack above top */	1419	{
1365	op->above = top->above;	1420	op->above = top->above;
1366
1367	if (op->above)
1368	op->above->below = op;	1421	top->above = op;
1369		1422
1370	op->below = top;	1423	op->below = top;
1371	top->above = op;	1424	*(op->above ? &op->above->below : &ms.top) = op;
1372	}	1425	}
1373		1426	}
1374	if (!op->above)
1375	op->ms ().top = op;
1376	} /* else not INS_BELOW_ORIGINATOR */
1377		1427
1378	if (op->type == PLAYER)	1428	if (op->type == PLAYER)
1379	{	1429	{
1380	op->contr->do_los = 1;	1430	op->contr->do_los = 1;
1381	++op->map->players;	1431	++op->map->players;
1382	op->map->touch ();	1432	op->map->touch ();
1383	}	1433	}
1384		1434
1385	op->map->dirty = true;	1435	op->map->dirty = true;
1386		1436
1387	/* If we have a floor, we know the player, if any, will be above
1388	* it, so save a few ticks and start from there.
1389	*/
1390	if (!(flag & INS_MAP_LOAD))
1391	if (object *pl = op->ms ().player ())	1437	if (object *pl = ms.player ())
		1438	//TODO: the floorbox prev/next might need updating
		1439	//esrv_send_item (pl, op);
		1440	//TODO: update floorbox to preserve ordering
1392	if (pl->contr->ns)	1441	if (pl->contr->ns)
1393	pl->contr->ns->floorbox_update ();	1442	pl->contr->ns->floorbox_update ();
1394		1443
1395	/* If this object glows, it may affect lighting conditions that are	1444	/* If this object glows, it may affect lighting conditions that are
1396	* visible to others on this map. But update_all_los is really	1445	* visible to others on this map. But update_all_los is really
1397	* an inefficient way to do this, as it means los for all players	1446	* an inefficient way to do this, as it means los for all players
1398	* on the map will get recalculated. The players could very well	1447	* on the map will get recalculated. The players could very well
…		…
1417	* blocked() and wall() work properly), and these flags are updated by	1466	* blocked() and wall() work properly), and these flags are updated by
1418	* update_object().	1467	* update_object().
1419	*/	1468	*/
1420		1469
1421	/* if this is not the head or flag has been passed, don't check walk on status */	1470	/* if this is not the head or flag has been passed, don't check walk on status */
1422	if (!(flag & INS_NO_WALK_ON) && !op->head)	1471	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1423	{	1472	{
1424	if (check_move_on (op, originator))	1473	if (check_move_on (op, originator))
1425	return 0;	1474	return 0;
1426		1475
1427	/* If we are a multi part object, lets work our way through the check	1476	/* If we are a multi part object, lets work our way through the check
1428	* walk on's.	1477	* walk on's.
1429	*/	1478	*/
1430	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1479	for (object *tmp = op->more; tmp; tmp = tmp->more)
1431	if (check_move_on (tmp, originator))	1480	if (check_move_on (tmp, originator))
1432	return 0;	1481	return 0;
1433	}	1482	}
1434		1483
1435	return op;	1484	return op;
…		…
1440	* op is the object to insert it under: supplies x and the map.	1489	* op is the object to insert it under: supplies x and the map.
1441	*/	1490	*/
1442	void	1491	void
1443	replace_insert_ob_in_map (const char *arch_string, object *op)	1492	replace_insert_ob_in_map (const char *arch_string, object *op)
1444	{	1493	{
1445	object *tmp, *tmp1;
1446
1447	/* first search for itself and remove any old instances */	1494	/* first search for itself and remove any old instances */
1448		1495
1449	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1496	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1450	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1497	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1451	tmp->destroy ();	1498	tmp->destroy (1);
1452		1499
1453	tmp1 = arch_to_object (archetype::find (arch_string));	1500	object *tmp = arch_to_object (archetype::find (arch_string));
1454		1501
1455	tmp1->x = op->x;	1502	tmp->x = op->x;
1456	tmp1->y = op->y;	1503	tmp->y = op->y;
		1504
1457	insert_ob_in_map (tmp1, op->map, op, 0);	1505	insert_ob_in_map (tmp, op->map, op, 0);
1458	}	1506	}
1459		1507
1460	object *	1508	object *
1461	object::insert_at (object *where, object *originator, int flags)	1509	object::insert_at (object *where, object *originator, int flags)
1462	{	1510	{
		1511	if (where->env)
		1512	return where->env->insert (this);
		1513	else
1463	where->map->insert (this, where->x, where->y, originator, flags);	1514	return where->map->insert (this, where->x, where->y, originator, flags);
1464	}	1515	}
1465		1516
1466	/*	1517	/*
1467	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1468	* is returned contains nr objects, and the remaining parts contains
1469	* the rest (or is removed and freed if that number is 0).
1470	* On failure, NULL is returned, and the reason put into the
1471	* global static errmsg array.
1472	*/
1473	object *
1474	get_split_ob (object *orig_ob, uint32 nr)
1475	{
1476	object *newob;
1477	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1478
1479	if (orig_ob->nrof < nr)
1480	{
1481	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1482	return NULL;
1483	}
1484
1485	newob = object_create_clone (orig_ob);
1486
1487	if ((orig_ob->nrof -= nr) < 1)
1488	orig_ob->destroy (1);
1489	else if (!is_removed)
1490	{
1491	if (orig_ob->env != NULL)
1492	sub_weight (orig_ob->env, orig_ob->weight * nr);
1493	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1494	{
1495	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1496	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1497	return NULL;
1498	}
1499	}
1500
1501	newob->nrof = nr;
1502
1503	return newob;
1504	}
1505
1506	/*
1507	* decrease_ob_nr(object, number) decreases a specified number from	1518	* decrease(object, number) decreases a specified number from
1508	* the amount of an object. If the amount reaches 0, the object	1519	* the amount of an object. If the amount reaches 0, the object
1509	* is subsequently removed and freed.	1520	* is subsequently removed and freed.
1510	*	1521	*
1511	* Return value: 'op' if something is left, NULL if the amount reached 0	1522	* Return value: 'op' if something is left, NULL if the amount reached 0
1512	*/	1523	*/
		1524	bool
		1525	object::decrease (sint32 nr)
		1526	{
		1527	if (!nr)
		1528	return true;
1513		1529
		1530	nr = min (nr, nrof);
		1531
		1532	if (nrof > nr)
		1533	{
		1534	nrof -= nr;
		1535	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1536
		1537	if (object *pl = visible_to ())
		1538	esrv_update_item (UPD_NROF, pl, this);
		1539
		1540	return true;
		1541	}
		1542	else
		1543	{
		1544	destroy ();
		1545	return false;
		1546	}
		1547	}
		1548
		1549	/*
		1550	* split(ob,nr) splits up ob into two parts. The part which
		1551	* is returned contains nr objects, and the remaining parts contains
		1552	* the rest (or is removed and returned if that number is 0).
		1553	* On failure, NULL is returned.
		1554	*/
1514	object *	1555	object *
1515	decrease_ob_nr (object *op, uint32 i)	1556	object::split (sint32 nr)
1516	{	1557	{
1517	object *tmp;	1558	int have = number_of ();
1518		1559
1519	if (i == 0) /* objects with op->nrof require this check */	1560	if (have < nr)
1520	return op;	1561	return 0;
1521		1562	else if (have == nr)
1522	if (i > op->nrof)
1523	i = op->nrof;
1524
1525	if (QUERY_FLAG (op, FLAG_REMOVED))
1526	op->nrof -= i;
1527	else if (op->env)
1528	{	1563	{
1529	/* is this object in the players inventory, or sub container
1530	* therein?
1531	*/
1532	tmp = op->in_player ();
1533	/* nope. Is this a container the player has opened?
1534	* If so, set tmp to that player.
1535	* IMO, searching through all the players will mostly
1536	* likely be quicker than following op->env to the map,
1537	* and then searching the map for a player.
1538	*/
1539	if (!tmp)
1540	for_all_players (pl)
1541	if (pl->ob->container == op->env)
1542	{
1543	tmp = pl->ob;
1544	break;
1545	}
1546
1547	if (i < op->nrof)
1548	{
1549	sub_weight (op->env, op->weight * i);
1550	op->nrof -= i;
1551	if (tmp)
1552	esrv_send_item (tmp, op);
1553	}
1554	else
1555	{
1556	op->remove ();	1564	remove ();
1557	op->nrof = 0;	1565	return this;
1558	if (tmp)
1559	esrv_del_item (tmp->contr, op->count);
1560	}
1561	}	1566	}
1562	else	1567	else
1563	{	1568	{
1564	object *above = op->above;	1569	decrease (nr);
1565		1570
1566	if (i < op->nrof)	1571	object *op = deep_clone ();
1567	op->nrof -= i;	1572	op->nrof = nr;
1568	else
1569	{
1570	op->remove ();
1571	op->nrof = 0;
1572	}
1573
1574	/* Since we just removed op, op->above is null */
1575	for (tmp = above; tmp; tmp = tmp->above)
1576	if (tmp->type == PLAYER)
1577	{
1578	if (op->nrof)
1579	esrv_send_item (tmp, op);
1580	else
1581	esrv_del_item (tmp->contr, op->count);
1582	}
1583	}
1584
1585	if (op->nrof)
1586	return op;	1573	return op;
1587	else
1588	{
1589	op->destroy ();
1590	return 0;
1591	}
1592	}
1593
1594	/*
1595	* add_weight(object, weight) adds the specified weight to an object,
1596	* and also updates how much the environment(s) is/are carrying.
1597	*/
1598
1599	void
1600	add_weight (object *op, signed long weight)
1601	{
1602	while (op != NULL)
1603	{
1604	if (op->type == CONTAINER)
1605	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1606
1607	op->carrying += weight;
1608	op = op->env;
1609	}	1574	}
1610	}	1575	}
1611		1576
1612	object *	1577	object *
1613	insert_ob_in_ob (object *op, object *where)	1578	insert_ob_in_ob (object *op, object *where)
…		…
1618	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1583	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1619	free (dump);	1584	free (dump);
1620	return op;	1585	return op;
1621	}	1586	}
1622		1587
1623	if (where->head)	1588	if (where->head_ () != where)
1624	{	1589	{
1625	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1590	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1626	where = where->head;	1591	where = where->head;
1627	}	1592	}
1628		1593
1629	return where->insert (op);	1594	return where->insert (op);
1630	}	1595	}
…		…
1635	* inside the object environment.	1600	* inside the object environment.
1636	*	1601	*
1637	* The function returns now pointer to inserted item, and return value can	1602	* The function returns now pointer to inserted item, and return value can
1638	* be != op, if items are merged. -Tero	1603	* be != op, if items are merged. -Tero
1639	*/	1604	*/
1640
1641	object *	1605	object *
1642	object::insert (object *op)	1606	object::insert (object *op)
1643	{	1607	{
1644	object *tmp, *otmp;
1645
1646	if (!QUERY_FLAG (op, FLAG_REMOVED))
1647	op->remove ();
1648
1649	if (op->more)	1608	if (op->more)
1650	{	1609	{
1651	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1610	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1652	return op;	1611	return op;
1653	}	1612	}
1654		1613
1655	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1614	op->remove ();
1656	CLEAR_FLAG (op, FLAG_REMOVED);	1615
		1616	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1617
1657	if (op->nrof)	1618	if (op->nrof)
1658	{
1659	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1619	for (object *tmp = inv; tmp; tmp = tmp->below)
1660	if (object::can_merge (tmp, op))	1620	if (object::can_merge (tmp, op))
1661	{	1621	{
1662	/* return the original object and remove inserted object	1622	/* return the original object and remove inserted object
1663	(client needs the original object) */	1623	(client needs the original object) */
1664	tmp->nrof += op->nrof;	1624	tmp->nrof += op->nrof;
1665	/* Weight handling gets pretty funky. Since we are adding to	1625
1666	* tmp->nrof, we need to increase the weight.	1626	if (object *pl = tmp->visible_to ())
1667	*/	1627	esrv_update_item (UPD_NROF, pl, tmp);
		1628
1668	add_weight (this, op->weight * op->nrof);	1629	adjust_weight (this, op->total_weight ());
1669	SET_FLAG (op, FLAG_REMOVED);	1630
1670	op->destroy (); /* free the inserted object */	1631	op->destroy (1);
1671	op = tmp;	1632	op = tmp;
1672	op->remove (); /* and fix old object's links */	1633	goto inserted;
1673	CLEAR_FLAG (op, FLAG_REMOVED);
1674	break;
1675	}	1634	}
1676		1635
1677	/* I assume combined objects have no inventory	1636	op->owner = 0; // it's his/hers now. period.
1678	* We add the weight - this object could have just been removed
1679	* (if it was possible to merge). calling remove_ob will subtract
1680	* the weight, so we need to add it in again, since we actually do
1681	* the linking below
1682	*/
1683	add_weight (this, op->weight * op->nrof);
1684	}
1685	else
1686	add_weight (this, (op->weight + op->carrying));
1687
1688	otmp = this->in_player ();
1689	if (otmp && otmp->contr)
1690	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1691	otmp->update_stats ();
1692
1693	op->map = 0;	1637	op->map = 0;
1694	op->env = this;	1638	op->x = 0;
		1639	op->y = 0;
		1640
1695	op->above = 0;	1641	op->above = 0;
1696	op->below = 0;	1642	op->below = inv;
1697	op->x = 0, op->y = 0;	1643	op->env = this;
1698		1644
		1645	if (inv)
		1646	inv->above = op;
		1647
		1648	inv = op;
		1649
		1650	op->flag [FLAG_REMOVED] = 0;
		1651
		1652	if (object *pl = op->visible_to ())
		1653	esrv_send_item (pl, op);
		1654
		1655	adjust_weight (this, op->total_weight ());
		1656
		1657	inserted:
1699	/* reset the light list and los of the players on the map */	1658	/* reset the light list and los of the players on the map */
1700	if ((op->glow_radius != 0) && map)	1659	if (op->glow_radius && map && map->darkness)
1701	{
1702	#ifdef DEBUG_LIGHTS
1703	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1704	#endif /* DEBUG_LIGHTS */
1705	if (map->darkness)
1706	update_all_los (map, x, y);	1660	update_all_los (map, x, y);
1707	}
1708		1661
1709	/* Client has no idea of ordering so lets not bother ordering it here.	1662	// if this is a player's inventory, update stats
1710	* It sure simplifies this function...	1663	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1711	*/	1664	update_stats ();
1712	if (!inv)
1713	inv = op;
1714	else
1715	{
1716	op->below = inv;
1717	op->below->above = op;
1718	inv = op;
1719	}
1720		1665
1721	INVOKE_OBJECT (INSERT, this);	1666	INVOKE_OBJECT (INSERT, this);
1722		1667
1723	return op;	1668	return op;
1724	}	1669	}
…		…
1805	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1750	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1806	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1751	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1807	{	1752	{
1808		1753
1809	float	1754	float
1810	diff = tmp->move_slow_penalty * FABS (op->speed);	1755	diff = tmp->move_slow_penalty * fabs (op->speed);
1811		1756
1812	if (op->type == PLAYER)	1757	if (op->type == PLAYER)
1813	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1758	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1814	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1759	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1815	diff /= 4.0;	1760	diff /= 4.0;
…		…
1852	LOG (llevError, "Present_arch called outside map.\n");	1797	LOG (llevError, "Present_arch called outside map.\n");
1853	return NULL;	1798	return NULL;
1854	}	1799	}
1855		1800
1856	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1801	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1857	if (tmp->arch == at)	1802	if (tmp->arch->archname == at->archname)
1858	return tmp;	1803	return tmp;
1859		1804
1860	return NULL;	1805	return NULL;
1861	}	1806	}
1862		1807
…		…
1926	* The first matching object is returned, or NULL if none.	1871	* The first matching object is returned, or NULL if none.
1927	*/	1872	*/
1928	object *	1873	object *
1929	present_arch_in_ob (const archetype *at, const object *op)	1874	present_arch_in_ob (const archetype *at, const object *op)
1930	{	1875	{
1931	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1876	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1932	if (tmp->arch == at)	1877	if (tmp->arch->archname == at->archname)
1933	return tmp;	1878	return tmp;
1934		1879
1935	return NULL;	1880	return NULL;
1936	}	1881	}
1937		1882
…		…
1939	* activate recursively a flag on an object inventory	1884	* activate recursively a flag on an object inventory
1940	*/	1885	*/
1941	void	1886	void
1942	flag_inv (object *op, int flag)	1887	flag_inv (object *op, int flag)
1943	{	1888	{
1944	if (op->inv)
1945	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1889	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1946	{	1890	{
1947	SET_FLAG (tmp, flag);	1891	SET_FLAG (tmp, flag);
1948	flag_inv (tmp, flag);	1892	flag_inv (tmp, flag);
1949	}	1893	}
1950	}	1894	}
1951		1895
1952	/*	1896	/*
1953	* deactivate recursively a flag on an object inventory	1897	* deactivate recursively a flag on an object inventory
1954	*/	1898	*/
1955	void	1899	void
1956	unflag_inv (object *op, int flag)	1900	unflag_inv (object *op, int flag)
1957	{	1901	{
1958	if (op->inv)
1959	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1902	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1960	{	1903	{
1961	CLEAR_FLAG (tmp, flag);	1904	CLEAR_FLAG (tmp, flag);
1962	unflag_inv (tmp, flag);	1905	unflag_inv (tmp, flag);
1963	}	1906	}
1964	}
1965
1966	/*
1967	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1968	* all it's inventory (recursively).
1969	* If checksums are used, a player will get set_cheat called for
1970	* him/her-self and all object carried by a call to this function.
1971	*/
1972	void
1973	set_cheat (object *op)
1974	{
1975	SET_FLAG (op, FLAG_WAS_WIZ);
1976	flag_inv (op, FLAG_WAS_WIZ);
1977	}	1907	}
1978		1908
1979	/*	1909	/*
1980	* find_free_spot(object, map, x, y, start, stop) will search for	1910	* find_free_spot(object, map, x, y, start, stop) will search for
1981	* a spot at the given map and coordinates which will be able to contain	1911	* a spot at the given map and coordinates which will be able to contain
…		…
1983	* to search (see the freearr_x/y[] definition).	1913	* to search (see the freearr_x/y[] definition).
1984	* It returns a random choice among the alternatives found.	1914	* It returns a random choice among the alternatives found.
1985	* start and stop are where to start relative to the free_arr array (1,9	1915	* start and stop are where to start relative to the free_arr array (1,9
1986	* does all 4 immediate directions). This returns the index into the	1916	* does all 4 immediate directions). This returns the index into the
1987	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1917	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1988	* Note - this only checks to see if there is space for the head of the
1989	* object - if it is a multispace object, this should be called for all
1990	* pieces.
1991	* Note2: This function does correctly handle tiled maps, but does not	1918	* Note: This function does correctly handle tiled maps, but does not
1992	* inform the caller. However, insert_ob_in_map will update as	1919	* inform the caller. However, insert_ob_in_map will update as
1993	* necessary, so the caller shouldn't need to do any special work.	1920	* necessary, so the caller shouldn't need to do any special work.
1994	* Note - updated to take an object instead of archetype - this is necessary	1921	* Note - updated to take an object instead of archetype - this is necessary
1995	* because arch_blocked (now ob_blocked) needs to know the movement type	1922	* because arch_blocked (now ob_blocked) needs to know the movement type
1996	* to know if the space in question will block the object. We can't use	1923	* to know if the space in question will block the object. We can't use
…		…
1998	* customized, changed states, etc.	1925	* customized, changed states, etc.
1999	*/	1926	*/
2000	int	1927	int
2001	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1928	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2002	{	1929	{
		1930	int altern[SIZEOFFREE];
2003	int index = 0, flag;	1931	int index = 0, flag;
2004	int altern[SIZEOFFREE];
2005		1932
2006	for (int i = start; i < stop; i++)	1933	for (int i = start; i < stop; i++)
2007	{	1934	{
2008	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1935	mapxy pos (m, x, y); pos.move (i);
2009	if (!flag)	1936
		1937	if (!pos.normalise ())
		1938	continue;
		1939
		1940	mapspace &ms = *pos;
		1941
		1942	if (ms.flags () & P_IS_ALIVE)
		1943	continue;
		1944
		1945	/* However, often
		1946	* ob doesn't have any move type (when used to place exits)
		1947	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1948	*/
		1949	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1950	{
2010	altern [index++] = i;	1951	altern [index++] = i;
		1952	continue;
		1953	}
2011		1954
2012	/* Basically, if we find a wall on a space, we cut down the search size.	1955	/* Basically, if we find a wall on a space, we cut down the search size.
2013	* In this way, we won't return spaces that are on another side of a wall.	1956	* In this way, we won't return spaces that are on another side of a wall.
2014	* This mostly work, but it cuts down the search size in all directions -	1957	* This mostly work, but it cuts down the search size in all directions -
2015	* if the space being examined only has a wall to the north and empty	1958	* if the space being examined only has a wall to the north and empty
2016	* spaces in all the other directions, this will reduce the search space	1959	* spaces in all the other directions, this will reduce the search space
2017	* to only the spaces immediately surrounding the target area, and	1960	* to only the spaces immediately surrounding the target area, and
2018	* won't look 2 spaces south of the target space.	1961	* won't look 2 spaces south of the target space.
2019	*/	1962	*/
2020	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1963	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1964	{
2021	stop = maxfree[i];	1965	stop = maxfree[i];
		1966	continue;
		1967	}
		1968
		1969	/* Note it is intentional that we check ob - the movement type of the
		1970	* head of the object should correspond for the entire object.
		1971	*/
		1972	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1973	continue;
		1974
		1975	if (ob->blocked (m, pos.x, pos.y))
		1976	continue;
		1977
		1978	altern [index++] = i;
2022	}	1979	}
2023		1980
2024	if (!index)	1981	if (!index)
2025	return -1;	1982	return -1;
2026		1983
2027	return altern[RANDOM () % index];	1984	return altern [rndm (index)];
2028	}	1985	}
2029		1986
2030	/*	1987	/*
2031	* find_first_free_spot(archetype, maptile, x, y) works like	1988	* find_first_free_spot(archetype, maptile, x, y) works like
2032	* find_free_spot(), but it will search max number of squares.	1989	* find_free_spot(), but it will search max number of squares.
…		…
2035	*/	1992	*/
2036	int	1993	int
2037	find_first_free_spot (const object *ob, maptile *m, int x, int y)	1994	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2038	{	1995	{
2039	for (int i = 0; i < SIZEOFFREE; i++)	1996	for (int i = 0; i < SIZEOFFREE; i++)
2040	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	1997	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2041	return i;	1998	return i;
2042		1999
2043	return -1;	2000	return -1;
2044	}	2001	}
2045		2002
…		…
2053	{	2010	{
2054	arr += begin;	2011	arr += begin;
2055	end -= begin;	2012	end -= begin;
2056		2013
2057	while (--end)	2014	while (--end)
2058	swap (arr [end], arr [RANDOM () % (end + 1)]);	2015	swap (arr [end], arr [rndm (end + 1)]);
2059	}	2016	}
2060		2017
2061	/* new function to make monster searching more efficient, and effective!	2018	/* new function to make monster searching more efficient, and effective!
2062	* This basically returns a randomized array (in the passed pointer) of	2019	* This basically returns a randomized array (in the passed pointer) of
2063	* the spaces to find monsters. In this way, it won't always look for	2020	* the spaces to find monsters. In this way, it won't always look for
…		…
2099	object *tmp;	2056	object *tmp;
2100	maptile *mp;	2057	maptile *mp;
2101		2058
2102	MoveType blocked, move_type;	2059	MoveType blocked, move_type;
2103		2060
2104	if (exclude && exclude->head)	2061	if (exclude && exclude->head_ () != exclude)
2105	{	2062	{
2106	exclude = exclude->head;	2063	exclude = exclude->head;
2107	move_type = exclude->move_type;	2064	move_type = exclude->move_type;
2108	}	2065	}
2109	else	2066	else
…		…
2132	max = maxfree[i];	2089	max = maxfree[i];
2133	else if (mflags & P_IS_ALIVE)	2090	else if (mflags & P_IS_ALIVE)
2134	{	2091	{
2135	for (tmp = ms.bot; tmp; tmp = tmp->above)	2092	for (tmp = ms.bot; tmp; tmp = tmp->above)
2136	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2093	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2137	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2094	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2138	break;	2095	break;
2139		2096
2140	if (tmp)	2097	if (tmp)
2141	return freedir[i];	2098	return freedir[i];
2142	}	2099	}
…		…
2197		2154
2198	return 3;	2155	return 3;
2199	}	2156	}
2200		2157
2201	/*	2158	/*
2202	* absdir(int): Returns a number between 1 and 8, which represent
2203	* the "absolute" direction of a number (it actually takes care of
2204	* "overflow" in previous calculations of a direction).
2205	*/
2206
2207	int
2208	absdir (int d)
2209	{
2210	while (d < 1)
2211	d += 8;
2212
2213	while (d > 8)
2214	d -= 8;
2215
2216	return d;
2217	}
2218
2219	/*
2220	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2159	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2221	* between two directions (which are expected to be absolute (see absdir())	2160	* between two directions (which are expected to be absolute (see absdir())
2222	*/	2161	*/
2223
2224	int	2162	int
2225	dirdiff (int dir1, int dir2)	2163	dirdiff (int dir1, int dir2)
2226	{	2164	{
2227	int d;	2165	int d;
2228		2166
…		…
2341	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2279	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2342	* core dumps if they do.	2280	* core dumps if they do.
2343	*	2281	*
2344	* Add a check so we can't pick up invisible objects (0.93.8)	2282	* Add a check so we can't pick up invisible objects (0.93.8)
2345	*/	2283	*/
2346
2347	int	2284	int
2348	can_pick (const object *who, const object *item)	2285	can_pick (const object *who, const object *item)
2349	{	2286	{
2350	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2287	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2351	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2288	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2354		2291
2355	/*	2292	/*
2356	* create clone from object to another	2293	* create clone from object to another
2357	*/	2294	*/
2358	object *	2295	object *
2359	object_create_clone (object *asrc)	2296	object::deep_clone ()
2360	{	2297	{
2361	object *dst = 0, *tmp, *src, *part, *prev, *item;	2298	assert (("deep_clone called on non-head object", is_head ()));
2362		2299
2363	if (!asrc)	2300	object *dst = clone ();
2364	return 0;
2365		2301
2366	src = asrc;	2302	object *prev = dst;
2367	if (src->head)
2368	src = src->head;
2369
2370	prev = 0;
2371	for (part = src; part; part = part->more)	2303	for (object *part = this->more; part; part = part->more)
2372	{	2304	{
2373	tmp = part->clone ();	2305	object *tmp = part->clone ();
2374	tmp->x -= src->x;
2375	tmp->y -= src->y;
2376
2377	if (!part->head)
2378	{
2379	dst = tmp;
2380	tmp->head = 0;
2381	}
2382	else
2383	tmp->head = dst;	2306	tmp->head = dst;
2384
2385	tmp->more = 0;
2386
2387	if (prev)
2388	prev->more = tmp;	2307	prev->more = tmp;
2389
2390	prev = tmp;	2308	prev = tmp;
2391	}	2309	}
2392		2310
2393	for (item = src->inv; item; item = item->below)	2311	for (object *item = inv; item; item = item->below)
2394	insert_ob_in_ob (object_create_clone (item), dst);	2312	insert_ob_in_ob (item->deep_clone (), dst);
2395		2313
2396	return dst;	2314	return dst;
2397	}
2398
2399	/* GROS - Creates an object using a string representing its content. */
2400	/* Basically, we save the content of the string to a temp file, then call */
2401	/* load_object on it. I admit it is a highly inefficient way to make things, */
2402	/* but it was simple to make and allows reusing the load_object function. */
2403	/* Remember not to use load_object_str in a time-critical situation. */
2404	/* Also remember that multiparts objects are not supported for now. */
2405	object *
2406	load_object_str (const char *obstr)
2407	{
2408	object *op;
2409	char filename[MAX_BUF];
2410
2411	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2412
2413	FILE *tempfile = fopen (filename, "w");
2414
2415	if (tempfile == NULL)
2416	{
2417	LOG (llevError, "Error - Unable to access load object temp file\n");
2418	return NULL;
2419	}
2420
2421	fprintf (tempfile, obstr);
2422	fclose (tempfile);
2423
2424	op = object::create ();
2425
2426	object_thawer thawer (filename);
2427
2428	if (thawer)
2429	load_object (thawer, op, 0);
2430
2431	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2432	CLEAR_FLAG (op, FLAG_REMOVED);
2433
2434	return op;
2435	}	2315	}
2436		2316
2437	/* This returns the first object in who's inventory that	2317	/* This returns the first object in who's inventory that
2438	* has the same type and subtype match.	2318	* has the same type and subtype match.
2439	* returns NULL if no match.	2319	* returns NULL if no match.
…		…
2446	return tmp;	2326	return tmp;
2447		2327
2448	return 0;	2328	return 0;
2449	}	2329	}
2450		2330
2451	/* If ob has a field named key, return the link from the list,	2331	const shstr &
2452	* otherwise return NULL.	2332	object::kv_get (const shstr &key) const
2453	*
2454	* key must be a passed in shared string - otherwise, this won't
2455	* do the desired thing.
2456	*/
2457	key_value *
2458	get_ob_key_link (const object *ob, const char *key)
2459	{	2333	{
2460	for (key_value *link = ob->key_values; link; link = link->next)	2334	for (key_value *kv = key_values; kv; kv = kv->next)
2461	if (link->key == key)	2335	if (kv->key == key)
2462	return link;
2463
2464	return 0;
2465	}
2466
2467	/*
2468	* Returns the value of op has an extra_field for key, or NULL.
2469	*
2470	* The argument doesn't need to be a shared string.
2471	*
2472	* The returned string is shared.
2473	*/
2474	const char *
2475	get_ob_key_value (const object *op, const char *const key)
2476	{
2477	key_value *link;
2478	shstr_cmp canonical_key (key);
2479
2480	if (!canonical_key)
2481	{
2482	/* 1. There being a field named key on any object
2483	* implies there'd be a shared string to find.
2484	* 2. Since there isn't, no object has this field.
2485	* 3. Therefore, *this* object doesn't have this field.
2486	*/
2487	return 0;
2488	}
2489
2490	/* This is copied from get_ob_key_link() above -
2491	* only 4 lines, and saves the function call overhead.
2492	*/
2493	for (link = op->key_values; link; link = link->next)
2494	if (link->key == canonical_key)
2495	return link->value;	2336	return kv->value;
2496		2337
2497	return 0;	2338	return shstr_null;
2498	}	2339	}
2499		2340
2500		2341	void
2501	/*	2342	object::kv_set (const shstr &key, const shstr &value)
2502	* Updates the canonical_key in op to value.
2503	*
2504	* canonical_key is a shared string (value doesn't have to be).
2505	*
2506	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2507	* keys.
2508	*
2509	* Returns TRUE on success.
2510	*/
2511	int
2512	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2513	{	2343	{
2514	key_value *field = NULL, *last = NULL;	2344	for (key_value *kv = key_values; kv; kv = kv->next)
2515		2345	if (kv->key == key)
2516	for (field = op->key_values; field != NULL; field = field->next)
2517	{
2518	if (field->key != canonical_key)
2519	{	2346	{
2520	last = field;	2347	kv->value = value;
2521	continue;	2348	return;
2522	}	2349	}
2523		2350
2524	if (value)	2351	key_value *kv = new key_value;
2525	field->value = value;	2352
2526	else	2353	kv->next = key_values;
		2354	kv->key = key;
		2355	kv->value = value;
		2356
		2357	key_values = kv;
		2358	}
		2359
		2360	void
		2361	object::kv_del (const shstr &key)
		2362	{
		2363	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2364	if ((*kvp)->key == key)
2527	{	2365	{
2528	/* Basically, if the archetype has this key set,	2366	key_value *kv = *kvp;
2529	* we need to store the null value so when we save	2367	*kvp = (*kvp)->next;
2530	* it, we save the empty value so that when we load,	2368	delete kv;
2531	* we get this value back again.	2369	return;
2532	*/
2533	if (get_ob_key_link (&op->arch->clone, canonical_key))
2534	field->value = 0;
2535	else
2536	{
2537	if (last)
2538	last->next = field->next;
2539	else
2540	op->key_values = field->next;
2541
2542	delete field;
2543	}
2544	}	2370	}
2545	return TRUE;
2546	}
2547	/* IF we get here, key doesn't exist */
2548
2549	/* No field, we'll have to add it. */
2550
2551	if (!add_key)
2552	return FALSE;
2553
2554	/* There isn't any good reason to store a null
2555	* value in the key/value list. If the archetype has
2556	* this key, then we should also have it, so shouldn't
2557	* be here. If user wants to store empty strings,
2558	* should pass in ""
2559	*/
2560	if (value == NULL)
2561	return TRUE;
2562
2563	field = new key_value;
2564
2565	field->key = canonical_key;
2566	field->value = value;
2567	/* Usual prepend-addition. */
2568	field->next = op->key_values;
2569	op->key_values = field;
2570
2571	return TRUE;
2572	}
2573
2574	/*
2575	* Updates the key in op to value.
2576	*
2577	* If add_key is FALSE, this will only update existing keys,
2578	* and not add new ones.
2579	* In general, should be little reason FALSE is ever passed in for add_key
2580	*
2581	* Returns TRUE on success.
2582	*/
2583	int
2584	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2585	{
2586	shstr key_ (key);
2587
2588	return set_ob_key_value_s (op, key_, value, add_key);
2589	}	2371	}
2590		2372
2591	object::depth_iterator::depth_iterator (object *container)	2373	object::depth_iterator::depth_iterator (object *container)
2592	: iterator_base (container)	2374	: iterator_base (container)
2593	{	2375	{
…		…
2606	item = item->inv;	2388	item = item->inv;
2607	}	2389	}
2608	else	2390	else
2609	item = item->env;	2391	item = item->env;
2610	}	2392	}
2611
2612		2393
2613	const char *	2394	const char *
2614	object::flag_desc (char *desc, int len) const	2395	object::flag_desc (char *desc, int len) const
2615	{	2396	{
2616	char *p = desc;	2397	char *p = desc;
…		…
2644	{	2425	{
2645	char flagdesc[512];	2426	char flagdesc[512];
2646	char info2[256 * 4];	2427	char info2[256 * 4];
2647	char *p = info;	2428	char *p = info;
2648		2429
2649	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",	2430	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2650	count, uuid.seq,	2431	count,
		2432	uuid.c_str (),
2651	&name,	2433	&name,
2652	title ? "\",title:" : "",	2434	title ? ",title:\"" : "",
2653	title ? (const char *)title : "",	2435	title ? (const char *)title : "",
		2436	title ? "\"" : "",
2654	flag_desc (flagdesc, 512), type);	2437	flag_desc (flagdesc, 512), type);
2655		2438
2656	if (env)	2439	if (!flag[FLAG_REMOVED] && env)
2657	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2440	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2658		2441
2659	if (map)	2442	if (map)
2660	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2443	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2661		2444
…		…
2663	}	2446	}
2664		2447
2665	const char *	2448	const char *
2666	object::debug_desc () const	2449	object::debug_desc () const
2667	{	2450	{
2668	static char info[256 * 4];	2451	static char info[3][256 * 4];
		2452	static int info_idx;
		2453
2669	return debug_desc (info);	2454	return debug_desc (info [++info_idx % 3]);
2670	}	2455	}
2671		2456
		2457	struct region *
		2458	object::region () const
		2459	{
		2460	return map ? map->region (x, y)
		2461	: region::default_region ();
		2462	}
		2463
		2464	const materialtype_t *
		2465	object::dominant_material () const
		2466	{
		2467	if (materialtype_t *mt = name_to_material (materialname))
		2468	return mt;
		2469
		2470	return name_to_material (shstr_unknown);
		2471	}
		2472
		2473	void
		2474	object::open_container (object *new_container)
		2475	{
		2476	if (container == new_container)
		2477	return;
		2478
		2479	object *old_container = container;
		2480
		2481	if (old_container)
		2482	{
		2483	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2484	return;
		2485
		2486	#if 0
		2487	// remove the "Close old_container" object.
		2488	if (object *closer = old_container->inv)
		2489	if (closer->type == CLOSE_CON)
		2490	closer->destroy ();
		2491	#endif
		2492
		2493	// make sure the container is available
		2494	esrv_send_item (this, old_container);
		2495
		2496	old_container->flag [FLAG_APPLIED] = false;
		2497	container = 0;
		2498
		2499	// client needs item update to make it work, client bug requires this to be separate
		2500	esrv_update_item (UPD_FLAGS, this, old_container);
		2501
		2502	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2503	play_sound (sound_find ("chest_close"));
		2504	}
		2505
		2506	if (new_container)
		2507	{
		2508	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2509	return;
		2510
		2511	// TODO: this does not seem to serve any purpose anymore?
		2512	#if 0
		2513	// insert the "Close Container" object.
		2514	if (archetype *closer = new_container->other_arch)
		2515	{
		2516	object *closer = arch_to_object (new_container->other_arch);
		2517	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2518	new_container->insert (closer);
		2519	}
		2520	#endif
		2521
		2522	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2523
		2524	// make sure the container is available, client bug requires this to be separate
		2525	esrv_send_item (this, new_container);
		2526
		2527	new_container->flag [FLAG_APPLIED] = true;
		2528	container = new_container;
		2529
		2530	// client needs flag change
		2531	esrv_update_item (UPD_FLAGS, this, new_container);
		2532	esrv_send_inventory (this, new_container);
		2533	play_sound (sound_find ("chest_open"));
		2534	}
		2535	// else if (!old_container->env && contr && contr->ns)
		2536	// contr->ns->floorbox_reset ();
		2537	}
		2538
		2539	object *
		2540	object::force_find (const shstr name)
		2541	{
		2542	/* cycle through his inventory to look for the MARK we want to
		2543	* place
		2544	*/
		2545	for (object *tmp = inv; tmp; tmp = tmp->below)
		2546	if (tmp->type == FORCE && tmp->slaying == name)
		2547	return splay (tmp);
		2548
		2549	return 0;
		2550	}
		2551
		2552	void
		2553	object::force_add (const shstr name, int duration)
		2554	{
		2555	if (object *force = force_find (name))
		2556	force->destroy ();
		2557
		2558	object *force = get_archetype (FORCE_NAME);
		2559
		2560	force->slaying = name;
		2561	force->stats.food = 1;
		2562	force->speed_left = -1.f;
		2563
		2564	force->set_speed (duration ? 1.f / duration : 0.f);
		2565	force->flag [FLAG_IS_USED_UP] = true;
		2566	force->flag [FLAG_APPLIED] = true;
		2567
		2568	insert (force);
		2569	}
		2570
		2571	void
		2572	object::play_sound (faceidx sound)
		2573	{
		2574	if (!sound)
		2575	return;
		2576
		2577	if (flag [FLAG_REMOVED])
		2578	return;
		2579
		2580	if (env)
		2581	{
		2582	if (object *pl = in_player ())
		2583	pl->contr->play_sound (sound);
		2584	}
		2585	else
		2586	map->play_sound (sound, x, y);
		2587	}
		2588

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