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Comparing deliantra/server/common/object.C (file contents):
Revision 1.109 by root, Sun Jan 7 21:54:59 2007 UTC vs.
Revision 1.251 by root, Sun Jul 20 16:56:34 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 (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7		7	*
8	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	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
10	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	(at your option) any later version.	11	* (at your option) any later version.
12		12	*
13	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,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU General Public License for more details.	16	* GNU General Public License for more details.
17		17	*
18	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
19	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
21		21	* The authors can be reached via e-mail to <support@deliantra.net>
22	The authors can be reached via e-mail at <crossfire@schmorp.de>
23	*/	22	*/
24		23
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	24	#include <global.h>
29	#include <stdio.h>	25	#include <stdio.h>
30	#include <sys/types.h>	26	#include <sys/types.h>
31	#include <sys/uio.h>	27	#include <sys/uio.h>
32	#include <object.h>	28	#include <object.h>
33	#include <funcpoint.h>	29	#include <sproto.h>
34	#include <loader.h>	30	#include <loader.h>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	int nrofallocobjects = 0;	34	UUID UUID::cur;
39	static UUID uuid;	35	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
41		37
42	objectvec objects;	38	objectvec objects;
43	activevec actives;	39	activevec actives;
44		40
45	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,
46	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
47	};	46	};
48	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,
49	-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
50	};	52	};
51	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,
52	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
53	};	58	};
54	int freedir[SIZEOFFREE] = {	59	int freedir[SIZEOFFREE] = {
55	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,
56	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
57	};	64	};
58		65
59	static void	66	static void
60	write_uuid (void)	67	write_uuid (uval64 skip, bool sync)
61	{	68	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	69	CALL_BEGIN (2);
63		70	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	71	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	72	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		73	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	74	}
79		75
80	static void	76	static void
81	read_uuid (void)	77	read_uuid (void)
82	{	78	{
83	char filename[MAX_BUF];	79	char filename[MAX_BUF];
84		80
85	sprintf (filename, "%s/uuid", settings.localdir);	81	sprintf (filename, "%s/uuid", settings.localdir);
		82
		83	seq_next_save = 0;
86		84
87	FILE *fp;	85	FILE *fp;
88		86
89	if (!(fp = fopen (filename, "r")))	87	if (!(fp = fopen (filename, "r")))
90	{	88	{
91	if (errno == ENOENT)	89	if (errno == ENOENT)
92	{	90	{
93	LOG (llevInfo, "RESET uid to 1\n");	91	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	92	UUID::cur.seq = 0;
95	write_uuid ();	93	write_uuid (UUID_GAP, true);
96	return;	94	return;
97	}	95	}
98		96
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	98	_exit (1);
101	}	99	}
102		100
103	int version;	101	UUID::BUF buf;
104	unsigned long long uid;	102	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	103	fgets (buf, sizeof (buf), fp);
		104
		105	if (!UUID::cur.parse (buf))
106	{	106	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	107	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	108	_exit (1);
109	}	109	}
110		110
111	uuid.seq = uid;	111	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	112
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	113	write_uuid (UUID_GAP, true);
114	fclose (fp);	114	fclose (fp);
115	}	115	}
116		116
117	UUID	117	UUID
118	gen_uuid ()	118	UUID::gen ()
119	{	119	{
120	UUID uid;	120	UUID uid;
121		121
122	uid.seq = ++uuid.seq;	122	uid.seq = ++cur.seq;
123		123
124	if (!(uuid.seq & (UUID_SKIP - 1)))	124	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	125	{
		126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		127	write_uuid (UUID_GAP, false);
		128	}
		129
126		130
127	return uid;	131	return uid;
128	}	132	}
129		133
130	void	134	void
131	init_uuid ()	135	UUID::init ()
132	{	136	{
133	read_uuid ();	137	read_uuid ();
134	}	138	}
135		139
136	/* 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. */
137	static int	141	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	142	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	143	{
140	key_value *wants_field;
141
142	/* 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
143	* 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
144	* different structure or at least keep the lists sorted...	146	* different structure or at least keep the lists sorted...
145	*/	147	*/
146		148
147	/* For each field in wants, */	149	/* For each field in wants, */
148	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)
149	{	151	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	152	return false;
151
152	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);
154
155	if (has_field == NULL)
156	{
157	/* No field with that name. */
158	return FALSE;
159	}
160
161	/* Found the matching field. */
162	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167
168	/* If we get here, we found a match. Now for the next field in wants. */
169	}
170		153
171	/* 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. */
172	return TRUE;	155	return true;
173	}	156	}
174		157
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	158	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	159	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	160	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	161	{
179	/* 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,
180	* so we need to run the comparison *twice*. :(	163	* so we need to run the comparison *twice*. :(
181	*/	164	*/
182	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);
183	}	167	}
184		168
185	/* 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
186	* they can be merged together.	170	* they can be merged together.
187	*	171	*
…		…
202	|| ob1->speed != ob2->speed	186	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	187	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	188	|| ob1->name != ob2->name)
205	return 0;	189	return 0;
206		190
207	//TODO: this ain't working well, use nicer and correct overflow check	191	/* Do not merge objects if nrof would overflow. First part checks
208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	192	* for unsigned overflow (2c), second part checks whether the result
209	* value could not be stored in a sint32 (which unfortunately sometimes is	193	* would fit into a 32 bit signed int, which is often used to hold
210	* used to store nrof).	194	* nrof values.
211	*/	195	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)	196	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
213	return 0;	197	return 0;
214		198
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	199	/* If the objects have been identified, set the BEEN_APPLIED flag.
216	* This is to the comparison of the flags below will be OK. We	200	* This is to the comparison of the flags below will be OK. We
217	* just can't ignore the been applied or identified flags, as they	201	* just can't ignore the been applied or identified flags, as they
218	* are not equal - just if it has been identified, the been_applied	202	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	203	* flags lose any meaning.
220	*/	204	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	205	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	206	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		207
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	208	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	209	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		210
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	211	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	212	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	213	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	214	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	215	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	216	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	217	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	218	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	219	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	220	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	221	|| ob1->animation_id != ob2->animation_id
		222	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
241	|| ob1->client_type != ob2->client_type	223	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	224	|| ob1->materialname != ob2->materialname
243	|| ob1->lore != ob2->lore	225	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	226	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	227	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	228	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	229	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	230	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	231	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	232	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	233	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		234	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		235	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	236	return 0;
253		237
		238	if ((ob1->flag ^ ob2->flag)
		239	.reset (FLAG_INV_LOCKED)
		240	.reset (FLAG_CLIENT_SENT)
		241	.reset (FLAG_REMOVED)
		242	.any ())
		243	return 0;
		244
254	/* This is really a spellbook check - really, we should	245	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	246	* not merge objects with real inventories, as splitting them
		247	* is hard.
256	*/	248	*/
257	if (ob1->inv || ob2->inv)	249	if (ob1->inv || ob2->inv)
258	{	250	{
259	/* if one object has inventory but the other doesn't, not equiv */	251	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	252	return 0; /* inventories differ in length */
261	return 0;
262		253
263	/* Now check to see if the two inventory objects could merge */	254	if (ob1->inv->below || ob2->inv->below)
		255	return 0; /* more than one object in inv */
		256
264	if (!object::can_merge (ob1->inv, ob2->inv))	257	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	258	return 0; /* inventory objects differ */
266		259
267	/* inventory ok - still need to check rest of this object to see	260	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	261	* if it is valid.
269	*/	262	*/
270	}	263	}
…		…
289	if (ob1->level != ob2->level)	282	if (ob1->level != ob2->level)
290	return 0;	283	return 0;
291	break;	284	break;
292	}	285	}
293		286
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	287	if (ob1->key_values || ob2->key_values)
295	{	288	{
296	/* At least one of these has key_values. */	289	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	290	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	291	return 0; /* One has fields, but the other one doesn't. */
		292
		293	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	294	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	295	}
303		296
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	297	if (ob1->self || ob2->self)
306	{	298	{
307	ob1->optimise ();	299	ob1->optimise ();
308	ob2->optimise ();	300	ob2->optimise ();
309		301
310	if (ob1->self || ob2->self)	302	if (ob1->self || ob2->self)
		303	{
		304	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		305	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		306
		307	if (k1 != k2)
311	return 0;	308	return 0;
		309
		310	if (k1 == 0)
		311	return 1;
		312
		313	if (!cfperl_can_merge (ob1, ob2))
		314	return 0;
		315	}
312	}	316	}
313		317
314	/* Everything passes, must be OK. */	318	/* Everything passes, must be OK. */
315	return 1;	319	return 1;
316	}	320	}
317		321
		322	// find player who can see this object
		323	object *
		324	object::visible_to () const
		325	{
		326	if (client_visible () && !flag [FLAG_REMOVED])
		327	{
		328	// see if we are in a container of sorts
		329	if (env)
		330	{
		331	// the player inventory itself is always visible
		332	if (env->type == PLAYER)
		333	return env;
		334
		335	// else a player could have our env open
		336	object *envest = env->outer_env ();
		337
		338	// the player itself is always on a map, so we will find him here
		339	// even if our inv is in a player.
		340	if (envest->is_on_map ())
		341	if (object *pl = envest->ms ().player ())
		342	if (pl->container == env)
		343	return pl;
		344	}
		345	else
		346	{
		347	// maybe there is a player standing on the same mapspace
		348	// this will catch the case where "this" is a player
		349	if (object *pl = ms ().player ())
		350	if ((!pl->container && pl->contr->ns && !pl->contr->ns->update_look)
		351	|| this == pl->container)
		352	return pl;
		353	}
		354	}
		355
		356	return 0;
		357	}
		358
		359	// adjust weight per container type ("of holding")
		360	static sint32
		361	weight_adjust_for (object *op, sint32 weight)
		362	{
		363	return op->type == CONTAINER
		364	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		365	: weight;
		366	}
		367
318	/*	368	/*
		369	* adjust_weight(object, weight) adds the specified weight to an object,
		370	* and also updates how much the environment(s) is/are carrying.
		371	*/
		372	static void
		373	adjust_weight (object *op, sint32 weight)
		374	{
		375	while (op)
		376	{
		377	// adjust by actual difference to account for rounding errors
		378	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		379	weight = weight_adjust_for (op, op->carrying)
		380	- weight_adjust_for (op, op->carrying - weight);
		381
		382	if (!weight)
		383	return;
		384
		385	op->carrying += weight;
		386
		387	if (object *pl = op->visible_to ())
		388	if (pl != op) // player is handled lazily
		389	esrv_update_item (UPD_WEIGHT, pl, op);
		390
		391	op = op->env;
		392	}
		393	}
		394
		395	/*
319	* sum_weight() is a recursive function which calculates the weight	396	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	397	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	398	* containers are carrying, and sums it up.
322	*/	399	*/
323	long	400	void
324	sum_weight (object *op)	401	object::update_weight ()
325	{	402	{
326	long sum;	403	sint32 sum = 0;
327	object *inv;
328		404
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	405	for (object *op = inv; op; op = op->below)
330	{	406	{
331	if (inv->inv)	407	if (op->inv)
332	sum_weight (inv);	408	op->update_weight ();
333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	409
		410	sum += op->total_weight ();
		411	}
		412
		413	sum = weight_adjust_for (this, sum);
		414
		415	if (sum != carrying)
334	}	416	{
335
336	if (op->type == CONTAINER && op->stats.Str)
337	sum = (sum * (100 - op->stats.Str)) / 100;
338
339	if (op->carrying != sum)
340	op->carrying = sum;	417	carrying = sum;
341		418
342	return sum;	419	if (object *pl = visible_to ())
		420	if (pl != this) // player is handled lazily
		421	esrv_update_item (UPD_WEIGHT, pl, this);
		422	}
343	}	423	}
344		424
345	/**	425	/*
346	* Return the outermost environment object for a given object.	426	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/	427	*/
348
349	object *
350	object_get_env_recursive (object *op)
351	{
352	while (op->env != NULL)
353	op = op->env;
354	return op;
355	}
356
357	/*
358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
359	* Some error messages.
360	* The result of the dump is stored in the static global errmsg array.
361	*/
362
363	char *	428	char *
364	dump_object (object *op)	429	dump_object (object *op)
365	{	430	{
366	if (!op)	431	if (!op)
367	return strdup ("[NULLOBJ]");	432	return strdup ("[NULLOBJ]");
368		433
369	object_freezer freezer;	434	object_freezer freezer;
370	save_object (freezer, op, 1);	435	op->write (freezer);
371	return freezer.as_string ();	436	return freezer.as_string ();
372	}	437	}
373		438
374	/*	439	/*
375	* get_nearest_part(multi-object, object 2) returns the part of the	440	* get_nearest_part(multi-object, object 2) returns the part of the
376	* multi-object 1 which is closest to the second object.	441	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.	442	* If it's not a multi-object, it is returned.
378	*/	443	*/
379
380	object *	444	object *
381	get_nearest_part (object *op, const object *pl)	445	get_nearest_part (object *op, const object *pl)
382	{	446	{
383	object *tmp, *closest;	447	object *tmp, *closest;
384	int last_dist, i;	448	int last_dist, i;
385		449
386	if (op->more == NULL)	450	if (!op->more)
387	return op;	451	return op;
		452
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	453	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		454	tmp;
		455	tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)	456	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;	457	closest = tmp, last_dist = i;
		458
391	return closest;	459	return closest;
392	}	460	}
393		461
394	/*	462	/*
395	* Returns the object which has the count-variable equal to the argument.	463	* Returns the object which has the count-variable equal to the argument.
		464	* VERRRY slow.
396	*/	465	*/
397	object *	466	object *
398	find_object (tag_t i)	467	find_object (tag_t i)
399	{	468	{
400	return ((unsigned int)i) < objects.size ()	469	for_all_objects (op)
401	? objects [i]	470	if (op->count == i)
402	: 0;	471	return op;
		472
		473	return 0;
403	}	474	}
404		475
405	/*	476	/*
406	* Returns the first object which has a name equal to the argument.	477	* Returns the first object which has a name equal to the argument.
407	* Used only by the patch command, but not all that useful.	478	* Used only by the patch command, but not all that useful.
…		…
409	*/	480	*/
410	object *	481	object *
411	find_object_name (const char *str)	482	find_object_name (const char *str)
412	{	483	{
413	shstr_cmp str_ (str);	484	shstr_cmp str_ (str);
414	object *op;
415		485
		486	if (str_)
416	for_all_objects (op)	487	for_all_objects (op)
417	if (op->name == str_)	488	if (op->name == str_)
418	break;	489	return op;
419		490
420	return op;	491	return 0;
421	}
422
423	void
424	free_all_object_data ()
425	{
426	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
427	}	492	}
428		493
429	/*	494	/*
430	* Sets the owner and sets the skill and exp pointers to owner's current	495	* Sets the owner and sets the skill and exp pointers to owner's current
431	* skill and experience objects.	496	* skill and experience objects.
		497	* ACTUALLY NO! investigate! TODO
432	*/	498	*/
433	void	499	void
434	object::set_owner (object *owner)	500	object::set_owner (object *owner)
435	{	501	{
		502	// allow objects which own objects
436	if (!owner)	503	if (owner)
437	return;
438
439	/* next line added to allow objects which own objects */
440	/* Add a check for ownercounts in here, as I got into an endless loop
441	* with the fireball owning a poison cloud which then owned the
442	* fireball. I believe that was caused by one of the objects getting
443	* freed and then another object replacing it. Since the ownercounts
444	* didn't match, this check is valid and I believe that cause is valid.
445	*/
446	while (owner->owner)	504	while (owner->owner)
447	owner = owner->owner;	505	owner = owner->owner;
		506
		507	if (flag [FLAG_FREED])
		508	{
		509	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		510	return;
		511	}
448		512
449	this->owner = owner;	513	this->owner = owner;
		514	}
		515
		516	int
		517	object::slottype () const
		518	{
		519	if (type == SKILL)
		520	{
		521	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		522	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		523	}
		524	else
		525	{
		526	if (slot [body_combat].info) return slot_combat;
		527	if (slot [body_range ].info) return slot_ranged;
		528	}
		529
		530	return slot_none;
		531	}
		532
		533	bool
		534	object::change_weapon (object *ob)
		535	{
		536	if (current_weapon == ob)
		537	return true;
		538
		539	if (chosen_skill)
		540	chosen_skill->flag [FLAG_APPLIED] = false;
		541
		542	current_weapon = ob;
		543	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		544
		545	if (chosen_skill)
		546	chosen_skill->flag [FLAG_APPLIED] = true;
		547
		548	update_stats ();
		549
		550	if (ob)
		551	{
		552	// now check wether any body locations became invalid, in which case
		553	// we cannot apply the weapon at the moment.
		554	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		555	if (slot[i].used < 0)
		556	{
		557	current_weapon = chosen_skill = 0;
		558	update_stats ();
		559
		560	new_draw_info_format (NDI_UNIQUE, 0, this,
		561	"You try to balance all your items at once, "
		562	"but the %s is just too much for your body. "
		563	"[You need to unapply some items first.]", &ob->name);
		564	return false;
		565	}
		566
		567	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		568	}
		569	else
		570	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		571
		572	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		573	{
		574	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		575	&name, ob->debug_desc ());
		576	return false;
		577	}
		578
		579	return true;
450	}	580	}
451		581
452	/* Zero the key_values on op, decrementing the shared-string	582	/* Zero the key_values on op, decrementing the shared-string
453	* refcounts and freeing the links.	583	* refcounts and freeing the links.
454	*/	584	*/
455	static void	585	static void
456	free_key_values (object *op)	586	free_key_values (object *op)
457	{	587	{
458	for (key_value *i = op->key_values; i != 0;)	588	for (key_value *i = op->key_values; i; )
459	{	589	{
460	key_value *next = i->next;	590	key_value *next = i->next;
461	delete i;	591	delete i;
462		592
463	i = next;	593	i = next;
…		…
475	* will point at garbage.	605	* will point at garbage.
476	*/	606	*/
477	void	607	void
478	object::copy_to (object *dst)	608	object::copy_to (object *dst)
479	{	609	{
480	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	610	dst->remove ();
481	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
482
483	*(object_copy *)dst = *this;	611	*(object_copy *)dst = *this;
484		612	dst->flag [FLAG_REMOVED] = true;
485	if (is_freed)
486	SET_FLAG (dst, FLAG_FREED);
487
488	if (is_removed)
489	SET_FLAG (dst, FLAG_REMOVED);
490
491	if (speed < 0)
492	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
493		613
494	/* Copy over key_values, if any. */	614	/* Copy over key_values, if any. */
495	if (key_values)	615	if (key_values)
496	{	616	{
497	key_value *tail = 0;	617	key_value *tail = 0;
498	key_value *i;
499
500	dst->key_values = 0;	618	dst->key_values = 0;
501		619
502	for (i = key_values; i; i = i->next)	620	for (key_value *i = key_values; i; i = i->next)
503	{	621	{
504	key_value *new_link = new key_value;	622	key_value *new_link = new key_value;
505		623
506	new_link->next = 0;	624	new_link->next = 0;
507	new_link->key = i->key;	625	new_link->key = i->key;
508	new_link->value = i->value;	626	new_link->value = i->value;
509		627
510	/* Try and be clever here, too. */	628	/* Try and be clever here, too. */
511	if (!dst->key_values)	629	if (!dst->key_values)
512	{	630	{
…		…
519	tail = new_link;	637	tail = new_link;
520	}	638	}
521	}	639	}
522	}	640	}
523		641
		642	if (speed < 0)
		643	dst->speed_left -= rndm ();
		644
524	dst->set_speed (dst->speed);	645	dst->set_speed (dst->speed);
		646	}
		647
		648	void
		649	object::instantiate ()
		650	{
		651	if (!uuid.seq) // HACK
		652	uuid = UUID::gen ();
		653
		654	speed_left = -0.1f;
		655	/* copy the body_info to the body_used - this is only really
		656	* need for monsters, but doesn't hurt to do it for everything.
		657	* by doing so, when a monster is created, it has good starting
		658	* values for the body_used info, so when items are created
		659	* for it, they can be properly equipped.
		660	*/
		661	for (int i = NUM_BODY_LOCATIONS; i--; )
		662	slot[i].used = slot[i].info;
		663
		664	attachable::instantiate ();
525	}	665	}
526		666
527	object *	667	object *
528	object::clone ()	668	object::clone ()
529	{	669	{
530	object *neu = create ();	670	object *neu = create ();
531	copy_to (neu);	671	copy_to (neu);
		672	neu->map = map; // not copied by copy_to
532	return neu;	673	return neu;
533	}	674	}
534		675
535	/*	676	/*
536	* If an object with the IS_TURNABLE() flag needs to be turned due	677	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
587	* UP_OBJ_FACE: only the objects face has changed.	728	* UP_OBJ_FACE: only the objects face has changed.
588	*/	729	*/
589	void	730	void
590	update_object (object *op, int action)	731	update_object (object *op, int action)
591	{	732	{
592	MoveType move_on, move_off, move_block, move_slow;	733	if (!op)
593
594	if (op == NULL)
595	{	734	{
596	/* this should never happen */	735	/* this should never happen */
597	LOG (llevDebug, "update_object() called for NULL object.\n");	736	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
598	return;	737	return;
599	}	738	}
600		739
601	if (op->env)	740	if (!op->is_on_map ())
602	{	741	{
603	/* Animation is currently handled by client, so nothing	742	/* Animation is currently handled by client, so nothing
604	* to do in this case.	743	* to do in this case.
605	*/	744	*/
606	return;	745	return;
607	}	746	}
608
609	/* If the map is saving, don't do anything as everything is
610	* going to get freed anyways.
611	*/
612	if (!op->map || op->map->in_memory == MAP_SAVING)
613	return;
614		747
615	/* make sure the object is within map boundaries */	748	/* make sure the object is within map boundaries */
616	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	749	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
617	{	750	{
618	LOG (llevError, "update_object() called for object out of map!\n");	751	LOG (llevError, "update_object() called for object out of map!\n");
…		…
658		791
659	if (op->more)	792	if (op->more)
660	update_object (op->more, action);	793	update_object (op->more, action);
661	}	794	}
662		795
663	object *object::first;
664
665	object::object ()	796	object::object ()
666	{	797	{
667	SET_FLAG (this, FLAG_REMOVED);	798	SET_FLAG (this, FLAG_REMOVED);
668		799
669	expmul = 1.0;	800	expmul = 1.0;
670	face = blank_face;	801	face = blank_face;
671	}	802	}
672		803
673	object::~object ()	804	object::~object ()
674	{	805	{
		806	unlink ();
		807
675	free_key_values (this);	808	free_key_values (this);
676	}	809	}
677		810
		811	static int object_count;
		812
678	void object::link ()	813	void object::link ()
679	{	814	{
680	uuid = gen_uuid ();	815	assert (!index);//D
		816	uuid = UUID::gen ();
		817	count = ++object_count;
681		818
682	refcnt_inc ();	819	refcnt_inc ();
683	objects.insert (this);	820	objects.insert (this);
684	}	821	}
685		822
686	void object::unlink ()	823	void object::unlink ()
687	{	824	{
		825	if (!index)
		826	return;
		827
688	objects.erase (this);	828	objects.erase (this);
689	refcnt_dec ();	829	refcnt_dec ();
690	}	830	}
691		831
692	void	832	void
…		…
754	object::destroy_inv (bool drop_to_ground)	894	object::destroy_inv (bool drop_to_ground)
755	{	895	{
756	// need to check first, because the checks below might segfault	896	// need to check first, because the checks below might segfault
757	// as we might be on an invalid mapspace and crossfire code	897	// as we might be on an invalid mapspace and crossfire code
758	// is too buggy to ensure that the inventory is empty.	898	// is too buggy to ensure that the inventory is empty.
759	// corollary: if you create arrows etc. with stuff in tis inventory,	899	// corollary: if you create arrows etc. with stuff in its inventory,
760	// cf will crash below with off-map x and y	900	// cf will crash below with off-map x and y
761	if (!inv)	901	if (!inv)
762	return;	902	return;
763		903
764	/* Only if the space blocks everything do we not process -	904	/* Only if the space blocks everything do we not process -
765	* if some form of movement is allowed, let objects	905	* if some form of movement is allowed, let objects
766	* drop on that space.	906	* drop on that space.
767	*/	907	*/
768	if (!drop_to_ground	908	if (!drop_to_ground
769	|| !map	909	|| !map
770	|| map->in_memory != MAP_IN_MEMORY	910	|| map->in_memory != MAP_ACTIVE
		911	|| map->no_drop
771	|| ms ().move_block == MOVE_ALL)	912	|| ms ().move_block == MOVE_ALL)
772	{	913	{
773	while (inv)	914	while (inv)
774	{
775	inv->destroy_inv (drop_to_ground);
776	inv->destroy ();	915	inv->destroy (true);
777	}
778	}	916	}
779	else	917	else
780	{ /* Put objects in inventory onto this space */	918	{ /* Put objects in inventory onto this space */
781	while (inv)	919	while (inv)
782	{	920	{
…		…
784		922
785	if (op->flag [FLAG_STARTEQUIP]	923	if (op->flag [FLAG_STARTEQUIP]
786	|| op->flag [FLAG_NO_DROP]	924	|| op->flag [FLAG_NO_DROP]
787	|| op->type == RUNE	925	|| op->type == RUNE
788	|| op->type == TRAP	926	|| op->type == TRAP
789	|| op->flag [FLAG_IS_A_TEMPLATE])	927	|| op->flag [FLAG_IS_A_TEMPLATE]
		928	|| op->flag [FLAG_DESTROY_ON_DEATH])
790	op->destroy ();	929	op->destroy (true);
791	else	930	else
792	map->insert (op, x, y);	931	map->insert (op, x, y);
793	}	932	}
794	}	933	}
795	}	934	}
…		…
799	object *op = new object;	938	object *op = new object;
800	op->link ();	939	op->link ();
801	return op;	940	return op;
802	}	941	}
803		942
		943	static struct freed_map : maptile
		944	{
		945	freed_map ()
		946	{
		947	path = "<freed objects map>";
		948	name = "/internal/freed_objects_map";
		949	width = 3;
		950	height = 3;
		951	no_drop = 1;
		952	no_reset = 1;
		953
		954	alloc ();
		955	in_memory = MAP_ACTIVE;
		956	}
		957
		958	~freed_map ()
		959	{
		960	destroy ();
		961	}
		962	} freed_map; // freed objects are moved here to avoid crashes
		963
804	void	964	void
805	object::do_destroy ()	965	object::do_destroy ()
806	{	966	{
807	if (flag [FLAG_IS_LINKED])	967	if (flag [FLAG_IS_LINKED])
808	remove_button_link (this);	968	remove_button_link (this);
809		969
810	if (flag [FLAG_FRIENDLY])	970	if (flag [FLAG_FRIENDLY])
811	remove_friendly_object (this);	971	remove_friendly_object (this);
812		972
813	if (!flag [FLAG_REMOVED])
814	remove ();	973	remove ();
815		974
816	if (flag [FLAG_FREED])	975	attachable::do_destroy ();
817	return;
818		976
819	set_speed (0);	977	deactivate ();
		978	unlink ();
820		979
821	flag [FLAG_FREED] = 1;	980	flag [FLAG_FREED] = 1;
822		981
823	attachable::do_destroy ();
824
825	destroy_inv (true);
826	unlink ();
827
828	// hack to ensure that freed objects still have a valid map	982	// hack to ensure that freed objects still have a valid map
829	{
830	static maptile *freed_map; // freed objects are moved here to avoid crashes
831
832	if (!freed_map)
833	{
834	freed_map = new maptile;
835
836	freed_map->name = "/internal/freed_objects_map";
837	freed_map->width = 3;
838	freed_map->height = 3;
839
840	freed_map->alloc ();
841	freed_map->in_memory = MAP_IN_MEMORY;
842	}
843
844	map = freed_map;	983	map = &freed_map;
845	x = 1;	984	x = 1;
846	y = 1;	985	y = 1;
847	}
848
849	head = 0;
850		986
851	if (more)	987	if (more)
852	{	988	{
853	more->destroy ();	989	more->destroy ();
854	more = 0;	990	more = 0;
855	}	991	}
856		992
		993	head = 0;
		994
857	// clear those pointers that likely might have circular references to us	995	// clear those pointers that likely might cause circular references
858	owner = 0;	996	owner = 0;
859	enemy = 0;	997	enemy = 0;
860	attacked_by = 0;	998	attacked_by = 0;
		999	current_weapon = 0;
861	}	1000	}
862		1001
863	void	1002	void
864	object::destroy (bool destroy_inventory)	1003	object::destroy (bool destroy_inventory)
865	{	1004	{
866	if (destroyed ())	1005	if (destroyed ())
867	return;	1006	return;
868		1007
		1008	if (!is_head () && !head->destroyed ())
		1009	{
		1010	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1011	head->destroy (destroy_inventory);
		1012	return;
		1013	}
		1014
869	if (destroy_inventory)	1015	destroy_inv (!destroy_inventory);
870	destroy_inv (false);	1016
		1017	if (is_head ())
		1018	if (sound_destroy)
		1019	play_sound (sound_destroy);
		1020	else if (flag [FLAG_MONSTER])
		1021	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
871		1022
872	attachable::destroy ();	1023	attachable::destroy ();
873	}
874
875	/*
876	* sub_weight() recursively (outwards) subtracts a number from the
877	* weight of an object (and what is carried by it's environment(s)).
878	*/
879	void
880	sub_weight (object *op, signed long weight)
881	{
882	while (op != NULL)
883	{
884	if (op->type == CONTAINER)
885	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
886
887	op->carrying -= weight;
888	op = op->env;
889	}
890	}	1024	}
891		1025
892	/* op->remove ():	1026	/* op->remove ():
893	* This function removes the object op from the linked list of objects	1027	* This function removes the object op from the linked list of objects
894	* which it is currently tied to. When this function is done, the	1028	* which it is currently tied to. When this function is done, the
895	* object will have no environment. If the object previously had an	1029	* object will have no environment. If the object previously had an
896	* environment, the x and y coordinates will be updated to	1030	* environment, the x and y coordinates will be updated to
897	* the previous environment.	1031	* the previous environment.
898	* Beware: This function is called from the editor as well!
899	*/	1032	*/
900	void	1033	void
901	object::remove ()	1034	object::do_remove ()
902	{	1035	{
903	object *tmp, *last = 0;	1036	object *tmp, *last = 0;
904	object *otmp;	1037	object *otmp;
905		1038
906	if (QUERY_FLAG (this, FLAG_REMOVED))	1039	if (flag [FLAG_REMOVED])
907	return;	1040	return;
908		1041
909	SET_FLAG (this, FLAG_REMOVED);
910	INVOKE_OBJECT (REMOVE, this);	1042	INVOKE_OBJECT (REMOVE, this);
		1043
		1044	flag [FLAG_REMOVED] = true;
911		1045
912	if (more)	1046	if (more)
913	more->remove ();	1047	more->remove ();
914		1048
915	/*	1049	/*
916	* In this case, the object to be removed is in someones	1050	* In this case, the object to be removed is in someones
917	* inventory.	1051	* inventory.
918	*/	1052	*/
919	if (env)	1053	if (env)
920	{	1054	{
921	if (nrof)	1055	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
922	sub_weight (env, weight * nrof);	1056	if (object *pl = visible_to ())
923	else	1057	esrv_del_item (pl->contr, count);
924	sub_weight (env, weight + carrying);	1058	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1059
		1060	adjust_weight (env, -total_weight ());
		1061
		1062	/* we set up values so that it could be inserted into
		1063	* the map, but we don't actually do that - it is up
		1064	* to the caller to decide what we want to do.
		1065	*/
		1066	map = env->map;
		1067	x = env->x;
		1068	y = env->y;
		1069
		1070	// make sure cmov optimisation is applicable
		1071	*(above ? &above->below : &env->inv) = below;
		1072	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1073
		1074	above = 0;
		1075	below = 0;
		1076	env = 0;
925		1077
926	/* NO_FIX_PLAYER is set when a great many changes are being	1078	/* NO_FIX_PLAYER is set when a great many changes are being
927	* made to players inventory. If set, avoiding the call	1079	* made to players inventory. If set, avoiding the call
928	* to save cpu time.	1080	* to save cpu time.
929	*/	1081	*/
930	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1082	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
931	otmp->update_stats ();	1083	otmp->update_stats ();
932
933	if (above)
934	above->below = below;
935	else
936	env->inv = below;
937
938	if (below)
939	below->above = above;
940
941	/* we set up values so that it could be inserted into
942	* the map, but we don't actually do that - it is up
943	* to the caller to decide what we want to do.
944	*/
945	x = env->x, y = env->y;
946	map = env->map;
947	above = 0, below = 0;
948	env = 0;
949	}	1084	}
950	else if (map)	1085	else if (map)
951	{	1086	{
952	if (type == PLAYER)	1087	map->dirty = true;
		1088	mapspace &ms = this->ms ();
		1089
		1090	if (object *pl = ms.player ())
953	{	1091	{
		1092	if (type == PLAYER) // this == pl(!)
		1093	{
		1094	// leaving a spot always closes any open container on the ground
		1095	if (container && !container->env)
		1096	// this causes spurious floorbox updates, but it ensures
		1097	// that the CLOSE event is being sent.
		1098	close_container ();
		1099
954	--map->players;	1100	--map->players;
955	map->touch ();	1101	map->touch ();
		1102	}
		1103	else if (pl->container == this)
		1104	{
		1105	// removing a container should close it
		1106	close_container ();
		1107	}
		1108
		1109	esrv_del_item (pl->contr, count);
956	}	1110	}
957		1111
958	map->dirty = true;
959
960	/* link the object above us */	1112	/* link the object above us */
961	if (above)	1113	// re-link, make sure compiler can easily use cmove
962	above->below = below;	1114	*(above ? &above->below : &ms.top) = below;
963	else	1115	*(below ? &below->above : &ms.bot) = above;
964	map->at (x, y).top = below; /* we were top, set new top */
965
966	/* Relink the object below us, if there is one */
967	if (below)
968	below->above = above;
969	else
970	{
971	/* Nothing below, which means we need to relink map object for this space
972	* use translated coordinates in case some oddness with map tiling is
973	* evident
974	*/
975	if (GET_MAP_OB (map, x, y) != this)
976	{
977	char *dump = dump_object (this);
978	LOG (llevError,
979	"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);
980	free (dump);
981	dump = dump_object (GET_MAP_OB (map, x, y));
982	LOG (llevError, "%s\n", dump);
983	free (dump);
984	}
985
986	map->at (x, y).bot = above; /* goes on above it. */
987	}
988		1116
989	above = 0;	1117	above = 0;
990	below = 0;	1118	below = 0;
991		1119
992	if (map->in_memory == MAP_SAVING)	1120	if (map->in_memory == MAP_SAVING)
993	return;	1121	return;
994		1122
995	int check_walk_off = !flag [FLAG_NO_APPLY];	1123	int check_walk_off = !flag [FLAG_NO_APPLY];
996		1124
		1125	if (object *pl = ms.player ())
		1126	{
		1127	if (pl->container == this)
		1128	/* If a container that the player is currently using somehow gets
		1129	* removed (most likely destroyed), update the player view
		1130	* appropriately.
		1131	*/
		1132	pl->close_container ();
		1133
		1134	//TODO: the floorbox prev/next might need updating
		1135	//esrv_del_item (pl->contr, count);
		1136	//TODO: update floorbox to preserve ordering
		1137	if (pl->contr->ns)
		1138	pl->contr->ns->floorbox_update ();
		1139	}
		1140
997	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1141	for (tmp = ms.bot; tmp; tmp = tmp->above)
998	{	1142	{
999	/* No point updating the players look faces if he is the object	1143	/* No point updating the players look faces if he is the object
1000	* being removed.	1144	* being removed.
1001	*/	1145	*/
1002
1003	if (tmp->type == PLAYER && tmp != this)
1004	{
1005	/* If a container that the player is currently using somehow gets
1006	* removed (most likely destroyed), update the player view
1007	* appropriately.
1008	*/
1009	if (tmp->container == this)
1010	{
1011	flag [FLAG_APPLIED] = 0;
1012	tmp->container = 0;
1013	}
1014
1015	if (tmp->contr->ns)
1016	tmp->contr->ns->floorbox_update ();
1017	}
1018		1146
1019	/* See if object moving off should effect something */	1147	/* See if object moving off should effect something */
1020	if (check_walk_off	1148	if (check_walk_off
1021	&& ((move_type & tmp->move_off)	1149	&& ((move_type & tmp->move_off)
1022	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1150	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1025		1153
1026	if (destroyed ())	1154	if (destroyed ())
1027	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1155	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1028	}	1156	}
1029		1157
1030	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1031	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1032	if (tmp->above == tmp)
1033	tmp->above = 0;
1034
1035	last = tmp;	1158	last = tmp;
1036	}	1159	}
1037		1160
1038	/* last == NULL if there are no objects on this space */	1161	/* last == NULL if there are no objects on this space */
1039	//TODO: this makes little sense, why only update the topmost object?	1162	//TODO: this makes little sense, why only update the topmost object?
…		…
1059	merge_ob (object *op, object *top)	1182	merge_ob (object *op, object *top)
1060	{	1183	{
1061	if (!op->nrof)	1184	if (!op->nrof)
1062	return 0;	1185	return 0;
1063		1186
1064	if (top)	1187	if (!top)
1065	for (top = op; top && top->above; top = top->above)	1188	for (top = op; top && top->above; top = top->above)
1066	;	1189	;
1067		1190
1068	for (; top; top = top->below)	1191	for (; top; top = top->below)
1069	{
1070	if (top == op)
1071	continue;
1072
1073	if (object::can_merge (op, top))	1192	if (object::can_merge (op, top))
1074	{	1193	{
1075	top->nrof += op->nrof;	1194	top->nrof += op->nrof;
1076		1195
1077	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1196	if (object *pl = top->visible_to ())
1078	op->weight = 0; /* Don't want any adjustements now */	1197	esrv_update_item (UPD_NROF, pl, top);
		1198
		1199	op->weight = 0; // cancel the addition above
		1200	op->carrying = 0; // must be 0 already
		1201
1079	op->destroy ();	1202	op->destroy (1);
		1203
1080	return top;	1204	return top;
1081	}	1205	}
1082	}
1083		1206
1084	return 0;	1207	return 0;
1085	}	1208	}
1086		1209
		1210	void
		1211	object::expand_tail ()
		1212	{
		1213	if (more)
		1214	return;
		1215
		1216	object *prev = this;
		1217
		1218	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1219	{
		1220	object *op = arch_to_object (at);
		1221
		1222	op->name = name;
		1223	op->name_pl = name_pl;
		1224	op->title = title;
		1225
		1226	op->head = this;
		1227	prev->more = op;
		1228
		1229	prev = op;
		1230	}
		1231	}
		1232
1087	/*	1233	/*
1088	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1234	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1089	* job preparing multi-part monsters	1235	* job preparing multi-part monsters.
1090	*/	1236	*/
1091	object *	1237	object *
1092	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1238	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1093	{	1239	{
		1240	op->remove ();
		1241
1094	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1242	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1095	{	1243	{
1096	tmp->x = x + tmp->arch->clone.x;	1244	tmp->x = x + tmp->arch->x;
1097	tmp->y = y + tmp->arch->clone.y;	1245	tmp->y = y + tmp->arch->y;
1098	}	1246	}
1099		1247
1100	return insert_ob_in_map (op, m, originator, flag);	1248	return insert_ob_in_map (op, m, originator, flag);
1101	}	1249	}
1102		1250
…		…
1121	* just 'op' otherwise	1269	* just 'op' otherwise
1122	*/	1270	*/
1123	object *	1271	object *
1124	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1272	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1125	{	1273	{
1126	object *tmp, *top, *floor = NULL;	1274	if (op->is_on_map ())
1127	sint16 x, y;
1128
1129	if (QUERY_FLAG (op, FLAG_FREED))
1130	{
1131	LOG (llevError, "Trying to insert freed object!\n");
1132	return NULL;
1133	}	1275	{
1134		1276	LOG (llevError, "insert_ob_in_map called for object already on map");
1135	if (!m)
1136	{
1137	char *dump = dump_object (op);
1138	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1139	free (dump);
1140	return op;
1141	}
1142
1143	if (out_of_map (m, op->x, op->y))
1144	{
1145	char *dump = dump_object (op);
1146	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1147	#ifdef MANY_CORES
1148	/* Better to catch this here, as otherwise the next use of this object
1149	* is likely to cause a crash. Better to find out where it is getting
1150	* improperly inserted.
1151	*/
1152	abort ();	1277	abort ();
1153	#endif
1154	free (dump);
1155	return op;
1156	}
1157
1158	if (!QUERY_FLAG (op, FLAG_REMOVED))
1159	{	1278	}
1160	char *dump = dump_object (op);
1161	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1162	free (dump);
1163	return op;
1164	}
1165		1279
1166	if (op->more)	1280	if (op->env)
1167	{
1168	/* The part may be on a different map. */
1169
1170	object *more = op->more;
1171
1172	/* We really need the caller to normalise coordinates - if
1173	* we set the map, that doesn't work if the location is within
1174	* a map and this is straddling an edge. So only if coordinate
1175	* is clear wrong do we normalise it.
1176	*/
1177	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1178	more->map = get_map_from_coord (m, &more->x, &more->y);
1179	else if (!more->map)
1180	{
1181	/* For backwards compatibility - when not dealing with tiled maps,
1182	* more->map should always point to the parent.
1183	*/
1184	more->map = m;
1185	}
1186
1187	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1188	{
1189	if (!op->head)
1190	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1191
1192	return 0;
1193	}
1194	}	1281	{
		1282	LOG (llevError, "insert_ob_in_map called for object in an inventory (proceeding)");
		1283	op->remove ();
		1284	}
1195		1285
1196	CLEAR_FLAG (op, FLAG_REMOVED);	1286	if (op->face && !face_info (op->face))//D TODO: remove soon
		1287	{//D
		1288	LOG (llevError | logBacktrace, "op->face out of bounds: %s", op->debug_desc ());//D
		1289	op->face = 1;//D
		1290	}//D
1197		1291
1198	/* Ideally, the caller figures this out. However, it complicates a lot	1292	/* Ideally, the caller figures this out. However, it complicates a lot
1199	* of areas of callers (eg, anything that uses find_free_spot would now	1293	* of areas of callers (eg, anything that uses find_free_spot would now
1200	* need extra work	1294	* need extra work
1201	*/	1295	*/
1202	op->map = get_map_from_coord (m, &op->x, &op->y);	1296	if (!xy_normalise (m, op->x, op->y))
1203	x = op->x;	1297	{
1204	y = op->y;	1298	op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found
		1299	return 0;
		1300	}
		1301
		1302	if (object *more = op->more)
		1303	if (!insert_ob_in_map (more, m, originator, flag))
		1304	return 0;
		1305
		1306	CLEAR_FLAG (op, FLAG_REMOVED);
		1307
		1308	op->map = m;
		1309	mapspace &ms = op->ms ();
1205		1310
1206	/* this has to be done after we translate the coordinates.	1311	/* this has to be done after we translate the coordinates.
1207	*/	1312	*/
1208	if (op->nrof && !(flag & INS_NO_MERGE))	1313	if (op->nrof && !(flag & INS_NO_MERGE))
1209	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)	1314	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1210	if (object::can_merge (op, tmp))	1315	if (object::can_merge (op, tmp))
1211	{	1316	{
		1317	// TODO: we actually want to update tmp, not op,
		1318	// but some caller surely breaks when we return tmp
		1319	// from here :/
1212	op->nrof += tmp->nrof;	1320	op->nrof += tmp->nrof;
1213	tmp->destroy ();	1321	tmp->destroy (1);
1214	}	1322	}
1215		1323
1216	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1324	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1217	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1325	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1218		1326
…		…
1225	{	1333	{
1226	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1334	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1227	abort ();	1335	abort ();
1228	}	1336	}
1229		1337
		1338	if (!originator->is_on_map ())
		1339	LOG (llevDebug | logBacktrace, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1340	op->debug_desc (), originator->debug_desc ());
		1341
1230	op->above = originator;	1342	op->above = originator;
1231	op->below = originator->below;	1343	op->below = originator->below;
1232
1233	if (op->below)
1234	op->below->above = op;
1235	else
1236	op->ms ().bot = op;
1237
1238	/* since *below* originator, no need to update top */
1239	originator->below = op;	1344	originator->below = op;
		1345
		1346	*(op->below ? &op->below->above : &ms.bot) = op;
1240	}	1347	}
1241	else	1348	else
1242	{	1349	{
		1350	object *floor = 0;
		1351	object *top = ms.top;
		1352
1243	/* If there are other objects, then */	1353	/* If there are other objects, then */
1244	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1354	if (top)
1245	{	1355	{
1246	object *last = 0;
1247
1248	/*	1356	/*
1249	* If there are multiple objects on this space, we do some trickier handling.	1357	* If there are multiple objects on this space, we do some trickier handling.
1250	* We've already dealt with merging if appropriate.	1358	* We've already dealt with merging if appropriate.
1251	* Generally, we want to put the new object on top. But if	1359	* Generally, we want to put the new object on top. But if
1252	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1360	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1255	* once we get to them. This reduces the need to traverse over all of	1363	* once we get to them. This reduces the need to traverse over all of
1256	* them when adding another one - this saves quite a bit of cpu time	1364	* them when adding another one - this saves quite a bit of cpu time
1257	* when lots of spells are cast in one area. Currently, it is presumed	1365	* when lots of spells are cast in one area. Currently, it is presumed
1258	* that flying non pickable objects are spell objects.	1366	* that flying non pickable objects are spell objects.
1259	*/	1367	*/
1260	while (top)	1368	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1261	{	1369	{
1262	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1370	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1263	floor = top;	1371	floor = tmp;
1264		1372
1265	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1373	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1266	{	1374	{
1267	/* We insert above top, so we want this object below this */	1375	/* We insert above top, so we want this object below this */
1268	top = top->below;	1376	top = tmp->below;
1269	break;	1377	break;
1270	}	1378	}
1271		1379
1272	last = top;
1273	top = top->above;	1380	top = tmp;
1274	}	1381	}
1275
1276	/* Don't want top to be NULL, so set it to the last valid object */
1277	top = last;
1278		1382
1279	/* We let update_position deal with figuring out what the space	1383	/* We let update_position deal with figuring out what the space
1280	* looks like instead of lots of conditions here.	1384	* looks like instead of lots of conditions here.
1281	* makes things faster, and effectively the same result.	1385	* makes things faster, and effectively the same result.
1282	*/	1386	*/
1283		1387
1284	/* Have object 'fall below' other objects that block view.	1388	/* Have object 'fall below' other objects that block view.
1285	* Unless those objects are exits, type 66	1389	* Unless those objects are exits.
1286	* If INS_ON_TOP is used, don't do this processing	1390	* If INS_ON_TOP is used, don't do this processing
1287	* Need to find the object that in fact blocks view, otherwise	1391	* Need to find the object that in fact blocks view, otherwise
1288	* stacking is a bit odd.	1392	* stacking is a bit odd.
1289	*/	1393	*/
1290	if (!(flag & INS_ON_TOP) &&	1394	if (!(flag & INS_ON_TOP)
1291	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1395	&& ms.flags () & P_BLOCKSVIEW
		1396	&& (op->face && !faces [op->face].visibility))
1292	{	1397	{
		1398	object *last;
		1399
1293	for (last = top; last != floor; last = last->below)	1400	for (last = top; last != floor; last = last->below)
1294	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1401	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1295	break;	1402	break;
		1403
1296	/* Check to see if we found the object that blocks view,	1404	/* Check to see if we found the object that blocks view,
1297	* and make sure we have a below pointer for it so that	1405	* and make sure we have a below pointer for it so that
1298	* we can get inserted below this one, which requires we	1406	* we can get inserted below this one, which requires we
1299	* set top to the object below us.	1407	* set top to the object below us.
1300	*/	1408	*/
1301	if (last && last->below && last != floor)	1409	if (last && last->below && last != floor)
1302	top = last->below;	1410	top = last->below;
1303	}	1411	}
1304	} /* If objects on this space */	1412	} /* If objects on this space */
1305		1413
1306	if (flag & INS_MAP_LOAD)
1307	top = GET_MAP_TOP (op->map, op->x, op->y);
1308
1309	if (flag & INS_ABOVE_FLOOR_ONLY)	1414	if (flag & INS_ABOVE_FLOOR_ONLY)
1310	top = floor;	1415	top = floor;
1311		1416
1312	/* Top is the object that our object (op) is going to get inserted above.	1417	// insert object above top, or bottom-most if top = 0
1313	*/
1314
1315	/* First object on this space */
1316	if (!top)	1418	if (!top)
1317	{	1419	{
1318	op->above = GET_MAP_OB (op->map, op->x, op->y);
1319
1320	if (op->above)
1321	op->above->below = op;
1322
1323	op->below = 0;	1420	op->below = 0;
		1421	op->above = ms.bot;
1324	op->ms ().bot = op;	1422	ms.bot = op;
		1423
		1424	*(op->above ? &op->above->below : &ms.top) = op;
1325	}	1425	}
1326	else	1426	else
1327	{ /* get inserted into the stack above top */	1427	{
1328	op->above = top->above;	1428	op->above = top->above;
1329
1330	if (op->above)
1331	op->above->below = op;	1429	top->above = op;
1332		1430
1333	op->below = top;	1431	op->below = top;
1334	top->above = op;	1432	*(op->above ? &op->above->below : &ms.top) = op;
1335	}	1433	}
1336		1434	}
1337	if (!op->above)
1338	op->ms ().top = op;
1339	} /* else not INS_BELOW_ORIGINATOR */
1340		1435
1341	if (op->type == PLAYER)	1436	if (op->type == PLAYER)
1342	{	1437	{
1343	op->contr->do_los = 1;	1438	op->contr->do_los = 1;
1344	++op->map->players;	1439	++op->map->players;
1345	op->map->touch ();	1440	op->map->touch ();
1346	}	1441	}
1347		1442
1348	op->map->dirty = true;	1443	op->map->dirty = true;
1349		1444
1350	/* If we have a floor, we know the player, if any, will be above
1351	* it, so save a few ticks and start from there.
1352	*/
1353	if (!(flag & INS_MAP_LOAD))
1354	if (object *pl = op->ms ().player ())	1445	if (object *pl = ms.player ())
		1446	//TODO: the floorbox prev/next might need updating
		1447	//esrv_send_item (pl, op);
		1448	//TODO: update floorbox to preserve ordering
1355	if (pl->contr->ns)	1449	if (pl->contr->ns)
1356	pl->contr->ns->floorbox_update ();	1450	pl->contr->ns->floorbox_update ();
1357		1451
1358	/* If this object glows, it may affect lighting conditions that are	1452	/* If this object glows, it may affect lighting conditions that are
1359	* visible to others on this map. But update_all_los is really	1453	* visible to others on this map. But update_all_los is really
1360	* an inefficient way to do this, as it means los for all players	1454	* an inefficient way to do this, as it means los for all players
1361	* on the map will get recalculated. The players could very well	1455	* on the map will get recalculated. The players could very well
…		…
1380	* blocked() and wall() work properly), and these flags are updated by	1474	* blocked() and wall() work properly), and these flags are updated by
1381	* update_object().	1475	* update_object().
1382	*/	1476	*/
1383		1477
1384	/* if this is not the head or flag has been passed, don't check walk on status */	1478	/* if this is not the head or flag has been passed, don't check walk on status */
1385	if (!(flag & INS_NO_WALK_ON) && !op->head)	1479	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1386	{	1480	{
1387	if (check_move_on (op, originator))	1481	if (check_move_on (op, originator))
1388	return 0;	1482	return 0;
1389		1483
1390	/* If we are a multi part object, lets work our way through the check	1484	/* If we are a multi part object, lets work our way through the check
1391	* walk on's.	1485	* walk on's.
1392	*/	1486	*/
1393	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1487	for (object *tmp = op->more; tmp; tmp = tmp->more)
1394	if (check_move_on (tmp, originator))	1488	if (check_move_on (tmp, originator))
1395	return 0;	1489	return 0;
1396	}	1490	}
1397		1491
1398	return op;	1492	return op;
…		…
1403	* op is the object to insert it under: supplies x and the map.	1497	* op is the object to insert it under: supplies x and the map.
1404	*/	1498	*/
1405	void	1499	void
1406	replace_insert_ob_in_map (const char *arch_string, object *op)	1500	replace_insert_ob_in_map (const char *arch_string, object *op)
1407	{	1501	{
1408	object *tmp, *tmp1;
1409
1410	/* first search for itself and remove any old instances */	1502	/* first search for itself and remove any old instances */
1411		1503
1412	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1504	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1413	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1505	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1414	tmp->destroy ();	1506	tmp->destroy (1);
1415		1507
1416	tmp1 = arch_to_object (archetype::find (arch_string));	1508	object *tmp = arch_to_object (archetype::find (arch_string));
1417		1509
1418	tmp1->x = op->x;	1510	tmp->x = op->x;
1419	tmp1->y = op->y;	1511	tmp->y = op->y;
		1512
1420	insert_ob_in_map (tmp1, op->map, op, 0);	1513	insert_ob_in_map (tmp, op->map, op, 0);
1421	}	1514	}
1422		1515
1423	object *	1516	object *
1424	object::insert_at (object *where, object *originator, int flags)	1517	object::insert_at (object *where, object *originator, int flags)
1425	{	1518	{
		1519	if (where->env)
		1520	return where->env->insert (this);
		1521	else
1426	where->map->insert (this, where->x, where->y, originator, flags);	1522	return where->map->insert (this, where->x, where->y, originator, flags);
1427	}	1523	}
1428		1524
1429	/*	1525	/*
1430	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1431	* is returned contains nr objects, and the remaining parts contains
1432	* the rest (or is removed and freed if that number is 0).
1433	* On failure, NULL is returned, and the reason put into the
1434	* global static errmsg array.
1435	*/
1436	object *
1437	get_split_ob (object *orig_ob, uint32 nr)
1438	{
1439	object *newob;
1440	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1441
1442	if (orig_ob->nrof < nr)
1443	{
1444	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1445	return NULL;
1446	}
1447
1448	newob = object_create_clone (orig_ob);
1449
1450	if ((orig_ob->nrof -= nr) < 1)
1451	orig_ob->destroy (1);
1452	else if (!is_removed)
1453	{
1454	if (orig_ob->env != NULL)
1455	sub_weight (orig_ob->env, orig_ob->weight * nr);
1456	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1457	{
1458	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1459	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1460	return NULL;
1461	}
1462	}
1463
1464	newob->nrof = nr;
1465
1466	return newob;
1467	}
1468
1469	/*
1470	* decrease_ob_nr(object, number) decreases a specified number from	1526	* decrease(object, number) decreases a specified number from
1471	* the amount of an object. If the amount reaches 0, the object	1527	* the amount of an object. If the amount reaches 0, the object
1472	* is subsequently removed and freed.	1528	* is subsequently removed and freed.
1473	*	1529	*
1474	* Return value: 'op' if something is left, NULL if the amount reached 0	1530	* Return value: 'op' if something is left, NULL if the amount reached 0
1475	*/	1531	*/
		1532	bool
		1533	object::decrease (sint32 nr)
		1534	{
		1535	if (!nr)
		1536	return true;
1476		1537
		1538	nr = min (nr, nrof);
		1539
		1540	if (nrof > nr)
		1541	{
		1542	nrof -= nr;
		1543	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1544
		1545	if (object *pl = visible_to ())
		1546	esrv_update_item (UPD_NROF, pl, this);
		1547
		1548	return true;
		1549	}
		1550	else
		1551	{
		1552	destroy ();
		1553	return false;
		1554	}
		1555	}
		1556
		1557	/*
		1558	* split(ob,nr) splits up ob into two parts. The part which
		1559	* is returned contains nr objects, and the remaining parts contains
		1560	* the rest (or is removed and returned if that number is 0).
		1561	* On failure, NULL is returned.
		1562	*/
1477	object *	1563	object *
1478	decrease_ob_nr (object *op, uint32 i)	1564	object::split (sint32 nr)
1479	{	1565	{
1480	object *tmp;	1566	int have = number_of ();
1481		1567
1482	if (i == 0) /* objects with op->nrof require this check */	1568	if (have < nr)
1483	return op;	1569	return 0;
1484		1570	else if (have == nr)
1485	if (i > op->nrof)
1486	i = op->nrof;
1487
1488	if (QUERY_FLAG (op, FLAG_REMOVED))
1489	op->nrof -= i;
1490	else if (op->env)
1491	{	1571	{
1492	/* is this object in the players inventory, or sub container
1493	* therein?
1494	*/
1495	tmp = op->in_player ();
1496	/* nope. Is this a container the player has opened?
1497	* If so, set tmp to that player.
1498	* IMO, searching through all the players will mostly
1499	* likely be quicker than following op->env to the map,
1500	* and then searching the map for a player.
1501	*/
1502	if (!tmp)
1503	for_all_players (pl)
1504	if (pl->ob->container == op->env)
1505	{
1506	tmp = pl->ob;
1507	break;
1508	}
1509
1510	if (i < op->nrof)
1511	{
1512	sub_weight (op->env, op->weight * i);
1513	op->nrof -= i;
1514	if (tmp)
1515	esrv_send_item (tmp, op);
1516	}
1517	else
1518	{
1519	op->remove ();	1572	remove ();
1520	op->nrof = 0;	1573	return this;
1521	if (tmp)
1522	esrv_del_item (tmp->contr, op->count);
1523	}
1524	}	1574	}
1525	else	1575	else
1526	{	1576	{
1527	object *above = op->above;	1577	decrease (nr);
1528		1578
1529	if (i < op->nrof)	1579	object *op = deep_clone ();
1530	op->nrof -= i;	1580	op->nrof = nr;
1531	else
1532	{
1533	op->remove ();
1534	op->nrof = 0;
1535	}
1536
1537	/* Since we just removed op, op->above is null */
1538	for (tmp = above; tmp; tmp = tmp->above)
1539	if (tmp->type == PLAYER)
1540	{
1541	if (op->nrof)
1542	esrv_send_item (tmp, op);
1543	else
1544	esrv_del_item (tmp->contr, op->count);
1545	}
1546	}
1547
1548	if (op->nrof)
1549	return op;	1581	return op;
1550	else
1551	{
1552	op->destroy ();
1553	return 0;
1554	}
1555	}
1556
1557	/*
1558	* add_weight(object, weight) adds the specified weight to an object,
1559	* and also updates how much the environment(s) is/are carrying.
1560	*/
1561
1562	void
1563	add_weight (object *op, signed long weight)
1564	{
1565	while (op != NULL)
1566	{
1567	if (op->type == CONTAINER)
1568	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1569
1570	op->carrying += weight;
1571	op = op->env;
1572	}	1582	}
1573	}	1583	}
1574		1584
1575	object *	1585	object *
1576	insert_ob_in_ob (object *op, object *where)	1586	insert_ob_in_ob (object *op, object *where)
…		…
1581	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1591	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1582	free (dump);	1592	free (dump);
1583	return op;	1593	return op;
1584	}	1594	}
1585		1595
1586	if (where->head)	1596	if (where->head_ () != where)
1587	{	1597	{
1588	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1598	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1589	where = where->head;	1599	where = where->head;
1590	}	1600	}
1591		1601
1592	return where->insert (op);	1602	return where->insert (op);
1593	}	1603	}
…		…
1598	* inside the object environment.	1608	* inside the object environment.
1599	*	1609	*
1600	* The function returns now pointer to inserted item, and return value can	1610	* The function returns now pointer to inserted item, and return value can
1601	* be != op, if items are merged. -Tero	1611	* be != op, if items are merged. -Tero
1602	*/	1612	*/
1603
1604	object *	1613	object *
1605	object::insert (object *op)	1614	object::insert (object *op)
1606	{	1615	{
1607	object *tmp, *otmp;
1608
1609	if (!QUERY_FLAG (op, FLAG_REMOVED))
1610	op->remove ();
1611
1612	if (op->more)	1616	if (op->more)
1613	{	1617	{
1614	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1618	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1615	return op;	1619	return op;
1616	}	1620	}
1617		1621
1618	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1622	op->remove ();
1619	CLEAR_FLAG (op, FLAG_REMOVED);	1623
		1624	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1625
1620	if (op->nrof)	1626	if (op->nrof)
1621	{
1622	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1627	for (object *tmp = inv; tmp; tmp = tmp->below)
1623	if (object::can_merge (tmp, op))	1628	if (object::can_merge (tmp, op))
1624	{	1629	{
1625	/* return the original object and remove inserted object	1630	/* return the original object and remove inserted object
1626	(client needs the original object) */	1631	(client needs the original object) */
1627	tmp->nrof += op->nrof;	1632	tmp->nrof += op->nrof;
1628	/* Weight handling gets pretty funky. Since we are adding to	1633
1629	* tmp->nrof, we need to increase the weight.	1634	if (object *pl = tmp->visible_to ())
1630	*/	1635	esrv_update_item (UPD_NROF, pl, tmp);
		1636
1631	add_weight (this, op->weight * op->nrof);	1637	adjust_weight (this, op->total_weight ());
1632	SET_FLAG (op, FLAG_REMOVED);	1638
1633	op->destroy (); /* free the inserted object */	1639	op->destroy (1);
1634	op = tmp;	1640	op = tmp;
1635	op->remove (); /* and fix old object's links */	1641	goto inserted;
1636	CLEAR_FLAG (op, FLAG_REMOVED);
1637	break;
1638	}	1642	}
1639		1643
1640	/* I assume combined objects have no inventory	1644	op->owner = 0; // it's his/hers now. period.
1641	* We add the weight - this object could have just been removed
1642	* (if it was possible to merge). calling remove_ob will subtract
1643	* the weight, so we need to add it in again, since we actually do
1644	* the linking below
1645	*/
1646	add_weight (this, op->weight * op->nrof);
1647	}
1648	else
1649	add_weight (this, (op->weight + op->carrying));
1650
1651	otmp = this->in_player ();
1652	if (otmp && otmp->contr)
1653	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1654	otmp->update_stats ();
1655
1656	op->map = 0;	1645	op->map = 0;
1657	op->env = this;	1646	op->x = 0;
		1647	op->y = 0;
		1648
1658	op->above = 0;	1649	op->above = 0;
1659	op->below = 0;	1650	op->below = inv;
1660	op->x = 0, op->y = 0;	1651	op->env = this;
1661		1652
		1653	if (inv)
		1654	inv->above = op;
		1655
		1656	inv = op;
		1657
		1658	op->flag [FLAG_REMOVED] = 0;
		1659
		1660	if (object *pl = op->visible_to ())
		1661	esrv_send_item (pl, op);
		1662
		1663	adjust_weight (this, op->total_weight ());
		1664
		1665	inserted:
1662	/* reset the light list and los of the players on the map */	1666	/* reset the light list and los of the players on the map */
1663	if ((op->glow_radius != 0) && map)	1667	if (op->glow_radius && map && map->darkness)
1664	{
1665	#ifdef DEBUG_LIGHTS
1666	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1667	#endif /* DEBUG_LIGHTS */
1668	if (map->darkness)
1669	update_all_los (map, x, y);	1668	update_all_los (map, x, y);
1670	}
1671		1669
1672	/* Client has no idea of ordering so lets not bother ordering it here.	1670	// if this is a player's inventory, update stats
1673	* It sure simplifies this function...	1671	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1674	*/	1672	update_stats ();
1675	if (!inv)
1676	inv = op;
1677	else
1678	{
1679	op->below = inv;
1680	op->below->above = op;
1681	inv = op;
1682	}
1683		1673
1684	INVOKE_OBJECT (INSERT, this);	1674	INVOKE_OBJECT (INSERT, this);
1685		1675
1686	return op;	1676	return op;
1687	}	1677	}
…		…
1768	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1758	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1769	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1759	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1770	{	1760	{
1771		1761
1772	float	1762	float
1773	diff = tmp->move_slow_penalty * FABS (op->speed);	1763	diff = tmp->move_slow_penalty * fabs (op->speed);
1774		1764
1775	if (op->type == PLAYER)	1765	if (op->type == PLAYER)
1776	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1766	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1777	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1767	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1778	diff /= 4.0;	1768	diff /= 4.0;
…		…
1815	LOG (llevError, "Present_arch called outside map.\n");	1805	LOG (llevError, "Present_arch called outside map.\n");
1816	return NULL;	1806	return NULL;
1817	}	1807	}
1818		1808
1819	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1809	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1820	if (tmp->arch == at)	1810	if (tmp->arch->archname == at->archname)
1821	return tmp;	1811	return tmp;
1822		1812
1823	return NULL;	1813	return NULL;
1824	}	1814	}
1825		1815
…		…
1889	* The first matching object is returned, or NULL if none.	1879	* The first matching object is returned, or NULL if none.
1890	*/	1880	*/
1891	object *	1881	object *
1892	present_arch_in_ob (const archetype *at, const object *op)	1882	present_arch_in_ob (const archetype *at, const object *op)
1893	{	1883	{
1894	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1884	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1895	if (tmp->arch == at)	1885	if (tmp->arch->archname == at->archname)
1896	return tmp;	1886	return tmp;
1897		1887
1898	return NULL;	1888	return NULL;
1899	}	1889	}
1900		1890
…		…
1902	* activate recursively a flag on an object inventory	1892	* activate recursively a flag on an object inventory
1903	*/	1893	*/
1904	void	1894	void
1905	flag_inv (object *op, int flag)	1895	flag_inv (object *op, int flag)
1906	{	1896	{
1907	if (op->inv)
1908	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1897	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1909	{	1898	{
1910	SET_FLAG (tmp, flag);	1899	SET_FLAG (tmp, flag);
1911	flag_inv (tmp, flag);	1900	flag_inv (tmp, flag);
1912	}	1901	}
1913	}	1902	}
1914		1903
1915	/*	1904	/*
1916	* deactivate recursively a flag on an object inventory	1905	* deactivate recursively a flag on an object inventory
1917	*/	1906	*/
1918	void	1907	void
1919	unflag_inv (object *op, int flag)	1908	unflag_inv (object *op, int flag)
1920	{	1909	{
1921	if (op->inv)
1922	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1910	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1923	{	1911	{
1924	CLEAR_FLAG (tmp, flag);	1912	CLEAR_FLAG (tmp, flag);
1925	unflag_inv (tmp, flag);	1913	unflag_inv (tmp, flag);
1926	}	1914	}
1927	}
1928
1929	/*
1930	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1931	* all it's inventory (recursively).
1932	* If checksums are used, a player will get set_cheat called for
1933	* him/her-self and all object carried by a call to this function.
1934	*/
1935	void
1936	set_cheat (object *op)
1937	{
1938	SET_FLAG (op, FLAG_WAS_WIZ);
1939	flag_inv (op, FLAG_WAS_WIZ);
1940	}	1915	}
1941		1916
1942	/*	1917	/*
1943	* find_free_spot(object, map, x, y, start, stop) will search for	1918	* find_free_spot(object, map, x, y, start, stop) will search for
1944	* a spot at the given map and coordinates which will be able to contain	1919	* a spot at the given map and coordinates which will be able to contain
…		…
1946	* to search (see the freearr_x/y[] definition).	1921	* to search (see the freearr_x/y[] definition).
1947	* It returns a random choice among the alternatives found.	1922	* It returns a random choice among the alternatives found.
1948	* start and stop are where to start relative to the free_arr array (1,9	1923	* start and stop are where to start relative to the free_arr array (1,9
1949	* does all 4 immediate directions). This returns the index into the	1924	* does all 4 immediate directions). This returns the index into the
1950	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1925	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1951	* Note - this only checks to see if there is space for the head of the
1952	* object - if it is a multispace object, this should be called for all
1953	* pieces.
1954	* Note2: This function does correctly handle tiled maps, but does not	1926	* Note: This function does correctly handle tiled maps, but does not
1955	* inform the caller. However, insert_ob_in_map will update as	1927	* inform the caller. However, insert_ob_in_map will update as
1956	* necessary, so the caller shouldn't need to do any special work.	1928	* necessary, so the caller shouldn't need to do any special work.
1957	* Note - updated to take an object instead of archetype - this is necessary	1929	* Note - updated to take an object instead of archetype - this is necessary
1958	* because arch_blocked (now ob_blocked) needs to know the movement type	1930	* because arch_blocked (now ob_blocked) needs to know the movement type
1959	* to know if the space in question will block the object. We can't use	1931	* to know if the space in question will block the object. We can't use
…		…
1961	* customized, changed states, etc.	1933	* customized, changed states, etc.
1962	*/	1934	*/
1963	int	1935	int
1964	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1936	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1965	{	1937	{
		1938	int altern[SIZEOFFREE];
1966	int index = 0, flag;	1939	int index = 0, flag;
1967	int altern[SIZEOFFREE];
1968		1940
1969	for (int i = start; i < stop; i++)	1941	for (int i = start; i < stop; i++)
1970	{	1942	{
1971	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1943	mapxy pos (m, x, y); pos.move (i);
1972	if (!flag)	1944
		1945	if (!pos.normalise ())
		1946	continue;
		1947
		1948	mapspace &ms = *pos;
		1949
		1950	if (ms.flags () & P_IS_ALIVE)
		1951	continue;
		1952
		1953	/* However, often
		1954	* ob doesn't have any move type (when used to place exits)
		1955	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1956	*/
		1957	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1958	{
1973	altern [index++] = i;	1959	altern [index++] = i;
		1960	continue;
		1961	}
1974		1962
1975	/* Basically, if we find a wall on a space, we cut down the search size.	1963	/* Basically, if we find a wall on a space, we cut down the search size.
1976	* In this way, we won't return spaces that are on another side of a wall.	1964	* In this way, we won't return spaces that are on another side of a wall.
1977	* This mostly work, but it cuts down the search size in all directions -	1965	* This mostly work, but it cuts down the search size in all directions -
1978	* if the space being examined only has a wall to the north and empty	1966	* if the space being examined only has a wall to the north and empty
1979	* spaces in all the other directions, this will reduce the search space	1967	* spaces in all the other directions, this will reduce the search space
1980	* to only the spaces immediately surrounding the target area, and	1968	* to only the spaces immediately surrounding the target area, and
1981	* won't look 2 spaces south of the target space.	1969	* won't look 2 spaces south of the target space.
1982	*/	1970	*/
1983	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1971	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1972	{
1984	stop = maxfree[i];	1973	stop = maxfree[i];
		1974	continue;
		1975	}
		1976
		1977	/* Note it is intentional that we check ob - the movement type of the
		1978	* head of the object should correspond for the entire object.
		1979	*/
		1980	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1981	continue;
		1982
		1983	if (ob->blocked (m, pos.x, pos.y))
		1984	continue;
		1985
		1986	altern [index++] = i;
1985	}	1987	}
1986		1988
1987	if (!index)	1989	if (!index)
1988	return -1;	1990	return -1;
1989		1991
1990	return altern[RANDOM () % index];	1992	return altern [rndm (index)];
1991	}	1993	}
1992		1994
1993	/*	1995	/*
1994	* find_first_free_spot(archetype, maptile, x, y) works like	1996	* find_first_free_spot(archetype, maptile, x, y) works like
1995	* find_free_spot(), but it will search max number of squares.	1997	* find_free_spot(), but it will search max number of squares.
…		…
1998	*/	2000	*/
1999	int	2001	int
2000	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2002	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2001	{	2003	{
2002	for (int i = 0; i < SIZEOFFREE; i++)	2004	for (int i = 0; i < SIZEOFFREE; i++)
2003	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2005	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2004	return i;	2006	return i;
2005		2007
2006	return -1;	2008	return -1;
2007	}	2009	}
2008		2010
…		…
2016	{	2018	{
2017	arr += begin;	2019	arr += begin;
2018	end -= begin;	2020	end -= begin;
2019		2021
2020	while (--end)	2022	while (--end)
2021	swap (arr [end], arr [RANDOM () % (end + 1)]);	2023	swap (arr [end], arr [rndm (end + 1)]);
2022	}	2024	}
2023		2025
2024	/* new function to make monster searching more efficient, and effective!	2026	/* new function to make monster searching more efficient, and effective!
2025	* This basically returns a randomized array (in the passed pointer) of	2027	* This basically returns a randomized array (in the passed pointer) of
2026	* the spaces to find monsters. In this way, it won't always look for	2028	* the spaces to find monsters. In this way, it won't always look for
…		…
2062	object *tmp;	2064	object *tmp;
2063	maptile *mp;	2065	maptile *mp;
2064		2066
2065	MoveType blocked, move_type;	2067	MoveType blocked, move_type;
2066		2068
2067	if (exclude && exclude->head)	2069	if (exclude && exclude->head_ () != exclude)
2068	{	2070	{
2069	exclude = exclude->head;	2071	exclude = exclude->head;
2070	move_type = exclude->move_type;	2072	move_type = exclude->move_type;
2071	}	2073	}
2072	else	2074	else
…		…
2095	max = maxfree[i];	2097	max = maxfree[i];
2096	else if (mflags & P_IS_ALIVE)	2098	else if (mflags & P_IS_ALIVE)
2097	{	2099	{
2098	for (tmp = ms.bot; tmp; tmp = tmp->above)	2100	for (tmp = ms.bot; tmp; tmp = tmp->above)
2099	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2101	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2100	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2102	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2101	break;	2103	break;
2102		2104
2103	if (tmp)	2105	if (tmp)
2104	return freedir[i];	2106	return freedir[i];
2105	}	2107	}
…		…
2160		2162
2161	return 3;	2163	return 3;
2162	}	2164	}
2163		2165
2164	/*	2166	/*
2165	* absdir(int): Returns a number between 1 and 8, which represent
2166	* the "absolute" direction of a number (it actually takes care of
2167	* "overflow" in previous calculations of a direction).
2168	*/
2169
2170	int
2171	absdir (int d)
2172	{
2173	while (d < 1)
2174	d += 8;
2175
2176	while (d > 8)
2177	d -= 8;
2178
2179	return d;
2180	}
2181
2182	/*
2183	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2167	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2184	* between two directions (which are expected to be absolute (see absdir())	2168	* between two directions (which are expected to be absolute (see absdir())
2185	*/	2169	*/
2186
2187	int	2170	int
2188	dirdiff (int dir1, int dir2)	2171	dirdiff (int dir1, int dir2)
2189	{	2172	{
2190	int d;	2173	int d;
2191		2174
…		…
2304	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2287	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2305	* core dumps if they do.	2288	* core dumps if they do.
2306	*	2289	*
2307	* Add a check so we can't pick up invisible objects (0.93.8)	2290	* Add a check so we can't pick up invisible objects (0.93.8)
2308	*/	2291	*/
2309
2310	int	2292	int
2311	can_pick (const object *who, const object *item)	2293	can_pick (const object *who, const object *item)
2312	{	2294	{
2313	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2295	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2314	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2296	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2317		2299
2318	/*	2300	/*
2319	* create clone from object to another	2301	* create clone from object to another
2320	*/	2302	*/
2321	object *	2303	object *
2322	object_create_clone (object *asrc)	2304	object::deep_clone ()
2323	{	2305	{
2324	object *dst = 0, *tmp, *src, *part, *prev, *item;	2306	assert (("deep_clone called on non-head object", is_head ()));
2325		2307
2326	if (!asrc)	2308	object *dst = clone ();
2327	return 0;
2328		2309
2329	src = asrc;	2310	object *prev = dst;
2330	if (src->head)
2331	src = src->head;
2332
2333	prev = 0;
2334	for (part = src; part; part = part->more)	2311	for (object *part = this->more; part; part = part->more)
2335	{	2312	{
2336	tmp = part->clone ();	2313	object *tmp = part->clone ();
2337	tmp->x -= src->x;
2338	tmp->y -= src->y;
2339
2340	if (!part->head)
2341	{
2342	dst = tmp;
2343	tmp->head = 0;
2344	}
2345	else
2346	tmp->head = dst;	2314	tmp->head = dst;
2347
2348	tmp->more = 0;
2349
2350	if (prev)
2351	prev->more = tmp;	2315	prev->more = tmp;
2352
2353	prev = tmp;	2316	prev = tmp;
2354	}	2317	}
2355		2318
2356	for (item = src->inv; item; item = item->below)	2319	for (object *item = inv; item; item = item->below)
2357	insert_ob_in_ob (object_create_clone (item), dst);	2320	insert_ob_in_ob (item->deep_clone (), dst);
2358		2321
2359	return dst;	2322	return dst;
2360	}
2361
2362	/* GROS - Creates an object using a string representing its content. */
2363	/* Basically, we save the content of the string to a temp file, then call */
2364	/* load_object on it. I admit it is a highly inefficient way to make things, */
2365	/* but it was simple to make and allows reusing the load_object function. */
2366	/* Remember not to use load_object_str in a time-critical situation. */
2367	/* Also remember that multiparts objects are not supported for now. */
2368	object *
2369	load_object_str (const char *obstr)
2370	{
2371	object *op;
2372	char filename[MAX_BUF];
2373
2374	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2375
2376	FILE *tempfile = fopen (filename, "w");
2377
2378	if (tempfile == NULL)
2379	{
2380	LOG (llevError, "Error - Unable to access load object temp file\n");
2381	return NULL;
2382	}
2383
2384	fprintf (tempfile, obstr);
2385	fclose (tempfile);
2386
2387	op = object::create ();
2388
2389	object_thawer thawer (filename);
2390
2391	if (thawer)
2392	load_object (thawer, op, 0);
2393
2394	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2395	CLEAR_FLAG (op, FLAG_REMOVED);
2396
2397	return op;
2398	}	2323	}
2399		2324
2400	/* This returns the first object in who's inventory that	2325	/* This returns the first object in who's inventory that
2401	* has the same type and subtype match.	2326	* has the same type and subtype match.
2402	* returns NULL if no match.	2327	* returns NULL if no match.
…		…
2409	return tmp;	2334	return tmp;
2410		2335
2411	return 0;	2336	return 0;
2412	}	2337	}
2413		2338
2414	/* If ob has a field named key, return the link from the list,	2339	const shstr &
2415	* otherwise return NULL.	2340	object::kv_get (const shstr &key) const
2416	*
2417	* key must be a passed in shared string - otherwise, this won't
2418	* do the desired thing.
2419	*/
2420	key_value *
2421	get_ob_key_link (const object *ob, const char *key)
2422	{	2341	{
2423	for (key_value *link = ob->key_values; link; link = link->next)	2342	for (key_value *kv = key_values; kv; kv = kv->next)
2424	if (link->key == key)	2343	if (kv->key == key)
2425	return link;
2426
2427	return 0;
2428	}
2429
2430	/*
2431	* Returns the value of op has an extra_field for key, or NULL.
2432	*
2433	* The argument doesn't need to be a shared string.
2434	*
2435	* The returned string is shared.
2436	*/
2437	const char *
2438	get_ob_key_value (const object *op, const char *const key)
2439	{
2440	key_value *link;
2441	shstr_cmp canonical_key (key);
2442
2443	if (!canonical_key)
2444	{
2445	/* 1. There being a field named key on any object
2446	* implies there'd be a shared string to find.
2447	* 2. Since there isn't, no object has this field.
2448	* 3. Therefore, *this* object doesn't have this field.
2449	*/
2450	return 0;
2451	}
2452
2453	/* This is copied from get_ob_key_link() above -
2454	* only 4 lines, and saves the function call overhead.
2455	*/
2456	for (link = op->key_values; link; link = link->next)
2457	if (link->key == canonical_key)
2458	return link->value;	2344	return kv->value;
2459		2345
2460	return 0;	2346	return shstr_null;
2461	}	2347	}
2462		2348
2463		2349	void
2464	/*	2350	object::kv_set (const shstr &key, const shstr &value)
2465	* Updates the canonical_key in op to value.
2466	*
2467	* canonical_key is a shared string (value doesn't have to be).
2468	*
2469	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2470	* keys.
2471	*
2472	* Returns TRUE on success.
2473	*/
2474	int
2475	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2476	{	2351	{
2477	key_value *field = NULL, *last = NULL;	2352	for (key_value *kv = key_values; kv; kv = kv->next)
2478		2353	if (kv->key == key)
2479	for (field = op->key_values; field != NULL; field = field->next)
2480	{
2481	if (field->key != canonical_key)
2482	{	2354	{
2483	last = field;	2355	kv->value = value;
2484	continue;	2356	return;
2485	}	2357	}
2486		2358
2487	if (value)	2359	key_value *kv = new key_value;
2488	field->value = value;	2360
2489	else	2361	kv->next = key_values;
		2362	kv->key = key;
		2363	kv->value = value;
		2364
		2365	key_values = kv;
		2366	}
		2367
		2368	void
		2369	object::kv_del (const shstr &key)
		2370	{
		2371	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2372	if ((*kvp)->key == key)
2490	{	2373	{
2491	/* Basically, if the archetype has this key set,	2374	key_value *kv = *kvp;
2492	* we need to store the null value so when we save	2375	*kvp = (*kvp)->next;
2493	* it, we save the empty value so that when we load,	2376	delete kv;
2494	* we get this value back again.	2377	return;
2495	*/
2496	if (get_ob_key_link (&op->arch->clone, canonical_key))
2497	field->value = 0;
2498	else
2499	{
2500	if (last)
2501	last->next = field->next;
2502	else
2503	op->key_values = field->next;
2504
2505	delete field;
2506	}
2507	}	2378	}
2508	return TRUE;
2509	}
2510	/* IF we get here, key doesn't exist */
2511
2512	/* No field, we'll have to add it. */
2513
2514	if (!add_key)
2515	return FALSE;
2516
2517	/* There isn't any good reason to store a null
2518	* value in the key/value list. If the archetype has
2519	* this key, then we should also have it, so shouldn't
2520	* be here. If user wants to store empty strings,
2521	* should pass in ""
2522	*/
2523	if (value == NULL)
2524	return TRUE;
2525
2526	field = new key_value;
2527
2528	field->key = canonical_key;
2529	field->value = value;
2530	/* Usual prepend-addition. */
2531	field->next = op->key_values;
2532	op->key_values = field;
2533
2534	return TRUE;
2535	}
2536
2537	/*
2538	* Updates the key in op to value.
2539	*
2540	* If add_key is FALSE, this will only update existing keys,
2541	* and not add new ones.
2542	* In general, should be little reason FALSE is ever passed in for add_key
2543	*
2544	* Returns TRUE on success.
2545	*/
2546	int
2547	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2548	{
2549	shstr key_ (key);
2550
2551	return set_ob_key_value_s (op, key_, value, add_key);
2552	}	2379	}
2553		2380
2554	object::depth_iterator::depth_iterator (object *container)	2381	object::depth_iterator::depth_iterator (object *container)
2555	: iterator_base (container)	2382	: iterator_base (container)
2556	{	2383	{
…		…
2569	item = item->inv;	2396	item = item->inv;
2570	}	2397	}
2571	else	2398	else
2572	item = item->env;	2399	item = item->env;
2573	}	2400	}
2574
2575		2401
2576	const char *	2402	const char *
2577	object::flag_desc (char *desc, int len) const	2403	object::flag_desc (char *desc, int len) const
2578	{	2404	{
2579	char *p = desc;	2405	char *p = desc;
…		…
2607	{	2433	{
2608	char flagdesc[512];	2434	char flagdesc[512];
2609	char info2[256 * 4];	2435	char info2[256 * 4];
2610	char *p = info;	2436	char *p = info;
2611		2437
2612	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",	2438	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2613	count, uuid.seq,	2439	count,
		2440	uuid.c_str (),
2614	&name,	2441	&name,
2615	title ? "\",title:" : "",	2442	title ? ",title:\"" : "",
2616	title ? (const char *)title : "",	2443	title ? (const char *)title : "",
		2444	title ? "\"" : "",
2617	flag_desc (flagdesc, 512), type);	2445	flag_desc (flagdesc, 512), type);
2618		2446
2619	if (env)	2447	if (!flag[FLAG_REMOVED] && env)
2620	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2448	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2621		2449
2622	if (map)	2450	if (map)
2623	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2451	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2624		2452
…		…
2626	}	2454	}
2627		2455
2628	const char *	2456	const char *
2629	object::debug_desc () const	2457	object::debug_desc () const
2630	{	2458	{
2631	static char info[256 * 4];	2459	static char info[3][256 * 4];
		2460	static int info_idx;
		2461
2632	return debug_desc (info);	2462	return debug_desc (info [++info_idx % 3]);
2633	}	2463	}
2634		2464
		2465	struct region *
		2466	object::region () const
		2467	{
		2468	return map ? map->region (x, y)
		2469	: region::default_region ();
		2470	}
		2471
		2472	const materialtype_t *
		2473	object::dominant_material () const
		2474	{
		2475	if (materialtype_t *mt = name_to_material (materialname))
		2476	return mt;
		2477
		2478	return name_to_material (shstr_unknown);
		2479	}
		2480
		2481	void
		2482	object::open_container (object *new_container)
		2483	{
		2484	if (container == new_container)
		2485	return;
		2486
		2487	object *old_container = container;
		2488
		2489	if (old_container)
		2490	{
		2491	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2492	return;
		2493
		2494	#if 0
		2495	// remove the "Close old_container" object.
		2496	if (object *closer = old_container->inv)
		2497	if (closer->type == CLOSE_CON)
		2498	closer->destroy ();
		2499	#endif
		2500
		2501	// make sure the container is available
		2502	esrv_send_item (this, old_container);
		2503
		2504	old_container->flag [FLAG_APPLIED] = false;
		2505	container = 0;
		2506
		2507	// client needs item update to make it work, client bug requires this to be separate
		2508	esrv_update_item (UPD_FLAGS, this, old_container);
		2509
		2510	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2511	play_sound (sound_find ("chest_close"));
		2512	}
		2513
		2514	if (new_container)
		2515	{
		2516	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2517	return;
		2518
		2519	// TODO: this does not seem to serve any purpose anymore?
		2520	#if 0
		2521	// insert the "Close Container" object.
		2522	if (archetype *closer = new_container->other_arch)
		2523	{
		2524	object *closer = arch_to_object (new_container->other_arch);
		2525	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2526	new_container->insert (closer);
		2527	}
		2528	#endif
		2529
		2530	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2531
		2532	// make sure the container is available, client bug requires this to be separate
		2533	esrv_send_item (this, new_container);
		2534
		2535	new_container->flag [FLAG_APPLIED] = true;
		2536	container = new_container;
		2537
		2538	// client needs flag change
		2539	esrv_update_item (UPD_FLAGS, this, new_container);
		2540	esrv_send_inventory (this, new_container);
		2541	play_sound (sound_find ("chest_open"));
		2542	}
		2543	// else if (!old_container->env && contr && contr->ns)
		2544	// contr->ns->floorbox_reset ();
		2545	}
		2546
		2547	object *
		2548	object::force_find (const shstr name)
		2549	{
		2550	/* cycle through his inventory to look for the MARK we want to
		2551	* place
		2552	*/
		2553	for (object *tmp = inv; tmp; tmp = tmp->below)
		2554	if (tmp->type == FORCE && tmp->slaying == name)
		2555	return splay (tmp);
		2556
		2557	return 0;
		2558	}
		2559
		2560	void
		2561	object::force_add (const shstr name, int duration)
		2562	{
		2563	if (object *force = force_find (name))
		2564	force->destroy ();
		2565
		2566	object *force = get_archetype (FORCE_NAME);
		2567
		2568	force->slaying = name;
		2569	force->stats.food = 1;
		2570	force->speed_left = -1.f;
		2571
		2572	force->set_speed (duration ? 1.f / duration : 0.f);
		2573	force->flag [FLAG_IS_USED_UP] = true;
		2574	force->flag [FLAG_APPLIED] = true;
		2575
		2576	insert (force);
		2577	}
		2578
		2579	void
		2580	object::play_sound (faceidx sound)
		2581	{
		2582	if (!sound)
		2583	return;
		2584
		2585	if (flag [FLAG_REMOVED])
		2586	return;
		2587
		2588	if (env)
		2589	{
		2590	if (object *pl = in_player ())
		2591	pl->contr->play_sound (sound);
		2592	}
		2593	else
		2594	map->play_sound (sound, x, y);
		2595	}
		2596

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