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Comparing deliantra/server/common/object.C (file contents):
Revision 1.34 by root, Tue Sep 12 01:09:53 2006 UTC vs.
Revision 1.219 by root, Wed Apr 23 21:09:10 2008 UTC

1
2	/*	1	/*
3	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
4		3	*
		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-devel@real-time.com
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	int nrofallocobjects = 0;	32	#include <bitset>
37		33
38	object *objects; /* Pointer to the list of used objects */	34	UUID UUID::cur;
39	object *active_objects; /* List of active objects that need to be processed */	35	static uint64_t seq_next_save;
		36	static const uint64 UUID_GAP = 1<<19;
40		37
41	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,	38	objectvec objects;
		39	activevec actives;
		40
		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,
42	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
43	};	46	};
44	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,
45	-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
46	};	52	};
47	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,
48	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
49	};	58	};
50	int freedir[SIZEOFFREE] = {	59	int freedir[SIZEOFFREE] = {
51	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,
52	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
53	};	64	};
54		65
		66	static void
		67	write_uuid (uval64 skip, bool sync)
		68	{
		69	CALL_BEGIN (2);
		70	CALL_ARG_SV (newSVval64 (skip));
		71	CALL_ARG_SV (boolSV (sync));
		72	CALL_CALL ("cf::write_uuid", G_DISCARD);
		73	CALL_END;
		74	}
		75
		76	static void
		77	read_uuid (void)
		78	{
		79	char filename[MAX_BUF];
		80
		81	sprintf (filename, "%s/uuid", settings.localdir);
		82
		83	seq_next_save = 0;
		84
		85	FILE *fp;
		86
		87	if (!(fp = fopen (filename, "r")))
		88	{
		89	if (errno == ENOENT)
		90	{
		91	LOG (llevInfo, "RESET uid to 1\n");
		92	UUID::cur.seq = 0;
		93	write_uuid (UUID_GAP, true);
		94	return;
		95	}
		96
		97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
		98	_exit (1);
		99	}
		100
		101	UUID::BUF buf;
		102	buf[0] = 0;
		103	fgets (buf, sizeof (buf), fp);
		104
		105	if (!UUID::cur.parse (buf))
		106	{
		107	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
		108	_exit (1);
		109	}
		110
		111	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
		112
		113	write_uuid (UUID_GAP, true);
		114	fclose (fp);
		115	}
		116
		117	UUID
		118	UUID::gen ()
		119	{
		120	UUID uid;
		121
		122	uid.seq = ++cur.seq;
		123
		124	if (expect_false (cur.seq >= seq_next_save))
		125	{
		126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		127	write_uuid (UUID_GAP, false);
		128	}
		129
		130
		131	return uid;
		132	}
		133
		134	void
		135	UUID::init ()
		136	{
		137	read_uuid ();
		138	}
		139
55	/* 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. */
56	static int	141	static bool
57	compare_ob_value_lists_one (const object *wants, const object *has)	142	compare_ob_value_lists_one (const object *wants, const object *has)
58	{	143	{
59	key_value *wants_field;	144	key_value *wants_field;
60		145
61	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	146	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both
62	* objects with lists are rare, and lists stay short. If not, use a	147	* objects with lists are rare, and lists stay short. If not, use a
63	* different structure or at least keep the lists sorted...	148	* different structure or at least keep the lists sorted...
64	*/	149	*/
65		150
66	/* For each field in wants, */	151	/* For each field in wants, */
67	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	152	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
68	{	153	{
69	key_value *has_field;	154	key_value *has_field;
70		155
71	/* Look for a field in has with the same key. */	156	/* Look for a field in has with the same key. */
72	has_field = get_ob_key_link (has, wants_field->key);	157	has_field = get_ob_key_link (has, wants_field->key);
73		158
74	if (has_field == NULL)	159	if (!has_field)
75	{
76	/* No field with that name. */	160	return 0; /* No field with that name. */
77	return FALSE;
78	}
79		161
80	/* Found the matching field. */	162	/* Found the matching field. */
81	if (has_field->value != wants_field->value)	163	if (has_field->value != wants_field->value)
82	{
83	/* Values don't match, so this half of the comparison is false. */	164	return 0; /* Values don't match, so this half of the comparison is false. */
84	return FALSE;
85	}
86		165
87	/* If we get here, we found a match. Now for the next field in wants. */	166	/* If we get here, we found a match. Now for the next field in wants. */
88	}	167	}
89		168
90	/* If we get here, every field in wants has a matching field in has. */	169	/* If we get here, every field in wants has a matching field in has. */
91	return TRUE;	170	return 1;
92	}	171	}
93		172
94	/* Returns TRUE if ob1 has the same key_values as ob2. */	173	/* Returns TRUE if ob1 has the same key_values as ob2. */
95	static int	174	static bool
96	compare_ob_value_lists (const object *ob1, const object *ob2)	175	compare_ob_value_lists (const object *ob1, const object *ob2)
97	{	176	{
98	/* However, there may be fields in has which aren't partnered in wants,	177	/* However, there may be fields in has which aren't partnered in wants,
99	* so we need to run the comparison *twice*. :(	178	* so we need to run the comparison *twice*. :(
100	*/	179	*/
…		…
106	*	185	*
107	* Note that this function appears a lot longer than the macro it	186	* Note that this function appears a lot longer than the macro it
108	* replaces - this is mostly for clarity - a decent compiler should hopefully	187	* replaces - this is mostly for clarity - a decent compiler should hopefully
109	* reduce this to the same efficiency.	188	* reduce this to the same efficiency.
110	*	189	*
111	* Check nrof variable *before* calling CAN_MERGE()	190	* Check nrof variable *before* calling can_merge()
112	*	191	*
113	* Improvements made with merge: Better checking on potion, and also	192	* Improvements made with merge: Better checking on potion, and also
114	* check weight	193	* check weight
115	*/	194	*/
116
117	bool object::can_merge (object *ob1, object *ob2)	195	bool object::can_merge_slow (object *ob1, object *ob2)
118	{	196	{
119	/* A couple quicksanity checks */	197	/* A couple quicksanity checks */
120	if ((ob1 == ob2) || (ob1->type != ob2->type))	198	if (ob1 == ob2
		199	|| ob1->type != ob2->type
		200	|| ob1->speed != ob2->speed
		201	|| ob1->value != ob2->value
		202	|| ob1->name != ob2->name)
121	return 0;	203	return 0;
122		204
123	if (ob1->speed != ob2->speed)	205	/* Do not merge objects if nrof would overflow. First part checks
		206	* for unsigned overflow (2c), second part checks whether the result
		207	* would fit into a 32 bit signed int, which is often used to hold
		208	* nrof values.
		209	*/
		210	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
124	return 0;	211	return 0;
125		212
126	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
127	* value could not be stored in a sint32 (which unfortunately sometimes is
128	* used to store nrof).
129	*/
130	if (ob1->nrof + ob2->nrof >= 1UL << 31)
131	return 0;
132
133	/* If the objects have been identified, set the BEEN_APPLIED flag.	213	/* If the objects have been identified, set the BEEN_APPLIED flag.
134	* This is to the comparison of the flags below will be OK. We	214	* This is to the comparison of the flags below will be OK. We
135	* just can't ignore the been applied or identified flags, as they	215	* just can't ignore the been applied or identified flags, as they
136	* are not equal - just if it has been identified, the been_applied	216	* are not equal - just if it has been identified, the been_applied
137	* flags lose any meaning.	217	* flags lose any meaning.
138	*/	218	*/
139	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
140	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
141		221
142	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
143	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
144		224
145		225	if (ob1->arch->name != ob2->arch->name
146	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something
147	* being locked in inventory should prevent merging.
148	* 0x4 in flags3 is CLIENT_SENT
149	*/
150	if ((ob1->arch != ob2->arch) ||
151	(ob1->flags[0] != ob2->flags[0]) ||
152	(ob1->flags[1] != ob2->flags[1]) ||
153	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
154	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
155	(ob1->name != ob2->name) ||	226	|| ob1->name != ob2->name
156	(ob1->title != ob2->title) ||	227	|| ob1->title != ob2->title
157	(ob1->msg != ob2->msg) ||	228	|| ob1->msg != ob2->msg
158	(ob1->weight != ob2->weight) ||	229	|| ob1->weight != ob2->weight
159	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||
160	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||
161	(ob1->attacktype != ob2->attacktype) ||	230	|| ob1->attacktype != ob2->attacktype
162	(ob1->magic != ob2->magic) ||	231	|| ob1->magic != ob2->magic
163	(ob1->slaying != ob2->slaying) ||	232	|| ob1->slaying != ob2->slaying
164	(ob1->skill != ob2->skill) ||	233	|| ob1->skill != ob2->skill
165	(ob1->value != ob2->value) ||	234	|| ob1->value != ob2->value
166	(ob1->animation_id != ob2->animation_id) ||	235	|| ob1->animation_id != ob2->animation_id
167	(ob1->client_type != ob2->client_type) ||	236	|| ob1->client_type != ob2->client_type
168	(ob1->materialname != ob2->materialname) ||	237	|| ob1->materialname != ob2->materialname
169	(ob1->lore != ob2->lore) ||	238	|| ob1->lore != ob2->lore
170	(ob1->subtype != ob2->subtype) ||	239	|| ob1->subtype != ob2->subtype
171	(ob1->move_type != ob2->move_type) ||	240	|| ob1->move_type != ob2->move_type
172	(ob1->move_block != ob2->move_block) ||	241	|| ob1->move_block != ob2->move_block
173	(ob1->move_allow != ob2->move_allow) ||	242	|| ob1->move_allow != ob2->move_allow
174	(ob1->move_on != ob2->move_on) ||	243	|| ob1->move_on != ob2->move_on
175	(ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty))	244	|| ob1->move_off != ob2->move_off
		245	|| ob1->move_slow != ob2->move_slow
		246	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		247	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		248	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
176	return 0;	249	return 0;
177		250
		251	if ((ob1->flag ^ ob2->flag)
		252	.reset (FLAG_INV_LOCKED)
		253	.reset (FLAG_CLIENT_SENT)
		254	.reset (FLAG_REMOVED)
		255	.any ())
		256	return 0;
		257
178	/* This is really a spellbook check - really, we should	258	/* This is really a spellbook check - we should in general
179	* check all objects in the inventory.	259	* not merge objects with real inventories, as splitting them
		260	* is hard.
180	*/	261	*/
181	if (ob1->inv || ob2->inv)	262	if (ob1->inv || ob2->inv)
182	{	263	{
183	/* if one object has inventory but the other doesn't, not equiv */
184	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
185	return 0;
186
187	/* Now check to see if the two inventory objects could merge */
188	if (!CAN_MERGE (ob1->inv, ob2->inv))	264	if (!(ob1->inv && ob2->inv))
189	return 0;	265	return 0; /* inventories differ in length */
		266
		267	if (ob1->inv->below || ob2->inv->below)
		268	return 0; /* more than one object in inv */
		269
		270	if (!object::can_merge (ob1->inv, ob2->inv))
		271	return 0; /* inventory objects differ */
190		272
191	/* inventory ok - still need to check rest of this object to see	273	/* inventory ok - still need to check rest of this object to see
192	* if it is valid.	274	* if it is valid.
193	*/	275	*/
194	}	276	}
…		…
202		284
203	/* Note sure why the following is the case - either the object has to	285	/* Note sure why the following is the case - either the object has to
204	* be animated or have a very low speed. Is this an attempted monster	286	* be animated or have a very low speed. Is this an attempted monster
205	* check?	287	* check?
206	*/	288	*/
207	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	289	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
208	return 0;	290	return 0;
209		291
210	switch (ob1->type)	292	switch (ob1->type)
211	{	293	{
212	case SCROLL:	294	case SCROLL:
213	if (ob1->level != ob2->level)	295	if (ob1->level != ob2->level)
214	return 0;	296	return 0;
215	break;	297	break;
216	}	298	}
217		299
218	if (ob1->key_values != NULL || ob2->key_values != NULL)	300	if (ob1->key_values || ob2->key_values)
219	{	301	{
220	/* At least one of these has key_values. */	302	/* At least one of these has key_values. */
221	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	303	if ((!ob1->key_values) != (!ob2->key_values))
222	/* One has fields, but the other one doesn't. */	304	return 0; /* One has fields, but the other one doesn't. */
		305
		306	if (!compare_ob_value_lists (ob1, ob2))
223	return 0;	307	return 0;
224	else if (!compare_ob_value_lists (ob1, ob2))
225	return 0;
226	}	308	}
227		309
228	//TODO: generate an event or call into perl for additional checks
229	if (ob1->self || ob2->self)	310	if (ob1->self || ob2->self)
230	{	311	{
231	ob1->optimise ();	312	ob1->optimise ();
232	ob2->optimise ();	313	ob2->optimise ();
233		314
234	if (ob1->self || ob2->self)	315	if (ob1->self || ob2->self)
		316	{
		317	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		318	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		319
		320	if (k1 != k2)
235	return 0;	321	return 0;
		322
		323	if (k1 == 0)
		324	return 1;
		325
		326	if (!cfperl_can_merge (ob1, ob2))
		327	return 0;
		328	}
236	}	329	}
237		330
238	/* Everything passes, must be OK. */	331	/* Everything passes, must be OK. */
239	return 1;	332	return 1;
240	}	333	}
241		334
		335	// find player who can see this object
		336	object *
		337	object::visible_to () const
		338	{
		339	if (!flag [FLAG_REMOVED])
		340	{
		341	// see if we are in a container of sorts
		342	if (env)
		343	{
		344	// the player inventory itself is always visible
		345	if (env->type == PLAYER)
		346	return env;
		347
		348	// else a player could have our env open
		349	object *envest = env->outer_env ();
		350
		351	// the player itself is always on a map, so we will find him here
		352	// even if our inv is in a player.
		353	if (envest->is_on_map ())
		354	if (object *pl = envest->ms ().player ())
		355	if (pl->container == env)
		356	return pl;
		357	}
		358	else
		359	{
		360	// maybe there is a player standing on the same mapspace
		361	// this will catch the case where "this" is a player
		362	if (object *pl = ms ().player ())
		363	return pl;
		364	}
		365	}
		366
		367	return 0;
		368	}
		369
		370	// adjust weight per container type ("of holding")
		371	static sint32
		372	weight_adjust (object *op, sint32 weight)
		373	{
		374	return op->type == CONTAINER
		375	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		376	: weight;
		377	}
		378
242	/*	379	/*
		380	* adjust_weight(object, weight) adds the specified weight to an object,
		381	* and also updates how much the environment(s) is/are carrying.
		382	*/
		383	static void
		384	adjust_weight (object *op, sint32 weight)
		385	{
		386	while (op)
		387	{
		388	weight = weight_adjust (op, weight);
		389
		390	if (!weight)
		391	return;
		392
		393	op->carrying += weight;
		394
		395	if (object *pl = op->visible_to ())
		396	if (pl != op) // player is handled lazily
		397	esrv_update_item (UPD_WEIGHT, pl, op);
		398
		399	op = op->env;
		400	}
		401	}
		402
		403	/*
243	* sum_weight() is a recursive function which calculates the weight	404	* this is a recursive function which calculates the weight
244	* an object is carrying. It goes through in figures out how much	405	* an object is carrying. It goes through op and figures out how much
245	* containers are carrying, and sums it up.	406	* containers are carrying, and sums it up.
246	*/	407	*/
247	long
248	sum_weight (object *op)
249	{
250	long sum;
251	object *inv;
252
253	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)
254	{
255	if (inv->inv)
256	sum_weight (inv);
257	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
258	}
259	if (op->type == CONTAINER && op->stats.Str)
260	sum = (sum * (100 - op->stats.Str)) / 100;
261	if (op->carrying != sum)
262	op->carrying = sum;
263	return sum;
264	}
265
266	/**
267	* Return the outermost environment object for a given object.
268	*/
269
270	object *
271	object_get_env_recursive (object *op)
272	{
273	while (op->env != NULL)
274	op = op->env;
275	return op;
276	}
277
278	/*
279	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
280	* a better check. We basically keeping traversing up until we can't
281	* or find a player.
282	*/
283
284	object *
285	is_player_inv (object *op)
286	{
287	for (; op != NULL && op->type != PLAYER; op = op->env)
288	if (op->env == op)
289	op->env = NULL;
290	return op;
291	}
292
293	/*
294	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
295	* Some error messages.
296	* The result of the dump is stored in the static global errmsg array.
297	*/
298
299	void	408	void
300	dump_object2 (object *op)	409	object::update_weight ()
301	{	410	{
302	errmsg[0] = 0;	411	sint32 sum = 0;
303	return;
304	//TODO//D#d#
305	#if 0
306	char *cp;
307		412
308	/* object *tmp;*/	413	for (object *op = inv; op; op = op->below)
309
310	if (op->arch != NULL)
311	{
312	strcat (errmsg, "arch ");
313	strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
314	strcat (errmsg, "\n");
315	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
316	strcat (errmsg, cp);
317	# if 0
318	/* Don't dump player diffs - they are too long, mostly meaningless, and
319	* will overflow the buffer.
320	* Changed so that we don't dump inventory either. This may
321	* also overflow the buffer.
322	*/
323	if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
324	strcat (errmsg, cp);
325	for (tmp = op->inv; tmp; tmp = tmp->below)
326	dump_object2 (tmp);
327	# endif
328	strcat (errmsg, "end\n");
329	}	414	{
330	else	415	if (op->inv)
		416	op->update_weight ();
		417
		418	sum += op->total_weight ();
331	{	419	}
332	strcat (errmsg, "Object ");	420
333	if (op->name == NULL)	421	sum = weight_adjust (this, sum);
334	strcat (errmsg, "(null)");	422
335	else	423	if (sum != carrying)
336	strcat (errmsg, op->name);
337	strcat (errmsg, "\n");
338	# if 0
339	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
340	strcat (errmsg, cp);
341	for (tmp = op->inv; tmp; tmp = tmp->below)
342	dump_object2 (tmp);
343	# endif
344	strcat (errmsg, "end\n");
345	}	424	{
346	#endif	425	carrying = sum;
347	}
348		426
349	/*	427	if (object *pl = visible_to ())
350	* Dumps an object. Returns output in the static global errmsg array.	428	if (pl != this) // player is handled lazily
351	*/	429	esrv_update_item (UPD_WEIGHT, pl, this);
		430	}
		431	}
352		432
353	void	433	/*
		434	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
		435	*/
		436	char *
354	dump_object (object *op)	437	dump_object (object *op)
355	{	438	{
356	if (op == NULL)	439	if (!op)
357	{	440	return strdup ("[NULLOBJ]");
358	strcpy (errmsg, "[NULL pointer]");
359	return;
360	}
361	errmsg[0] = '\0';
362	dump_object2 (op);
363	}
364		441
365	void	442	object_freezer freezer;
366	dump_all_objects (void)	443	op->write (freezer);
367	{	444	return freezer.as_string ();
368	object *op;
369
370	for (op = objects; op != NULL; op = op->next)
371	{
372	dump_object (op);
373	fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
374	}
375	}	445	}
376		446
377	/*	447	/*
378	* get_nearest_part(multi-object, object 2) returns the part of the	448	* get_nearest_part(multi-object, object 2) returns the part of the
379	* multi-object 1 which is closest to the second object.	449	* multi-object 1 which is closest to the second object.
380	* If it's not a multi-object, it is returned.	450	* If it's not a multi-object, it is returned.
381	*/	451	*/
382
383	object *	452	object *
384	get_nearest_part (object *op, const object *pl)	453	get_nearest_part (object *op, const object *pl)
385	{	454	{
386	object *tmp, *closest;	455	object *tmp, *closest;
387	int last_dist, i;	456	int last_dist, i;
388		457
389	if (op->more == NULL)	458	if (!op->more)
390	return op;	459	return op;
		460
391	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	461	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		462	tmp;
		463	tmp = tmp->more)
392	if ((i = distance (tmp, pl)) < last_dist)	464	if ((i = distance (tmp, pl)) < last_dist)
393	closest = tmp, last_dist = i;	465	closest = tmp, last_dist = i;
		466
394	return closest;	467	return closest;
395	}	468	}
396		469
397	/*	470	/*
398	* Returns the object which has the count-variable equal to the argument.	471	* Returns the object which has the count-variable equal to the argument.
		472	* VERRRY slow.
399	*/	473	*/
400
401	object *	474	object *
402	find_object (tag_t i)	475	find_object (tag_t i)
403	{	476	{
404	object *op;	477	for_all_objects (op)
405
406	for (op = objects; op != NULL; op = op->next)
407	if (op->count == i)	478	if (op->count == i)
408	break;
409	return op;	479	return op;
		480
		481	return 0;
410	}	482	}
411		483
412	/*	484	/*
413	* Returns the first object which has a name equal to the argument.	485	* Returns the first object which has a name equal to the argument.
414	* Used only by the patch command, but not all that useful.	486	* Used only by the patch command, but not all that useful.
415	* Enables features like "patch <name-of-other-player> food 999"	487	* Enables features like "patch <name-of-other-player> food 999"
416	*/	488	*/
417
418	object *	489	object *
419	find_object_name (const char *str)	490	find_object_name (const char *str)
420	{	491	{
421	const char *name = shstr::find (str);	492	shstr_cmp str_ (str);
422	object *op;	493	object *op;
423		494
424	for (op = objects; op != NULL; op = op->next)	495	for_all_objects (op)
425	if (&op->name == name)	496	if (op->name == str_)
426	break;	497	break;
427		498
428	return op;	499	return op;
429	}
430
431	void
432	free_all_object_data ()
433	{
434	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
435	}
436
437	/*
438	* Returns the object which this object marks as being the owner.
439	* A id-scheme is used to avoid pointing to objects which have been
440	* freed and are now reused. If this is detected, the owner is
441	* set to NULL, and NULL is returned.
442	* Changed 2004-02-12 - if the player is setting at the play again
443	* prompt, he is removed, and we don't want to treat him as an owner of
444	* anything, so check removed flag. I don't expect that this should break
445	* anything - once an object is removed, it is basically dead anyways.
446	*/
447	object *
448	object::get_owner ()
449	{
450	if (!owner
451	|| QUERY_FLAG (owner, FLAG_FREED)
452	|| QUERY_FLAG (owner, FLAG_REMOVED))
453	owner = 0;
454
455	return owner;
456	}	500	}
457		501
458	/*	502	/*
459	* Sets the owner and sets the skill and exp pointers to owner's current	503	* Sets the owner and sets the skill and exp pointers to owner's current
460	* skill and experience objects.	504	* skill and experience objects.
		505	* ACTUALLY NO! investigate! TODO
461	*/	506	*/
462	void	507	void
463	object::set_owner (object *owner)	508	object::set_owner (object *owner)
464	{	509	{
		510	// allow objects which own objects
465	if (!owner)	511	if (owner)
466	return;
467
468	/* next line added to allow objects which own objects */
469	/* Add a check for ownercounts in here, as I got into an endless loop
470	* with the fireball owning a poison cloud which then owned the
471	* fireball. I believe that was caused by one of the objects getting
472	* freed and then another object replacing it. Since the ownercounts
473	* didn't match, this check is valid and I believe that cause is valid.
474	*/
475	while (owner->owner)	512	while (owner->owner)
476	owner = owner->owner;	513	owner = owner->owner;
		514
		515	if (flag [FLAG_FREED])
		516	{
		517	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		518	return;
		519	}
477		520
478	this->owner = owner;	521	this->owner = owner;
		522	}
		523
		524	int
		525	object::slottype () const
		526	{
		527	if (type == SKILL)
		528	{
		529	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		530	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		531	}
		532	else
		533	{
		534	if (slot [body_combat].info) return slot_combat;
		535	if (slot [body_range ].info) return slot_ranged;
		536	}
		537
		538	return slot_none;
		539	}
		540
		541	bool
		542	object::change_weapon (object *ob)
		543	{
		544	if (current_weapon == ob)
		545	return true;
		546
		547	if (chosen_skill)
		548	chosen_skill->flag [FLAG_APPLIED] = false;
		549
		550	current_weapon = ob;
		551	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		552
		553	if (chosen_skill)
		554	chosen_skill->flag [FLAG_APPLIED] = true;
		555
		556	update_stats ();
		557
		558	if (ob)
		559	{
		560	// now check wether any body locations became invalid, in which case
		561	// we cannot apply the weapon at the moment.
		562	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		563	if (slot[i].used < 0)
		564	{
		565	current_weapon = chosen_skill = 0;
		566	update_stats ();
		567
		568	new_draw_info_format (NDI_UNIQUE, 0, this,
		569	"You try to balance all your items at once, "
		570	"but the %s is just too much for your body. "
		571	"[You need to unapply some items first.]", &ob->name);
		572	return false;
		573	}
		574
		575	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		576	}
		577	else
		578	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		579
		580	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		581	{
		582	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		583	&name, ob->debug_desc ());
		584	return false;
		585	}
		586
		587	return true;
479	}	588	}
480		589
481	/* Zero the key_values on op, decrementing the shared-string	590	/* Zero the key_values on op, decrementing the shared-string
482	* refcounts and freeing the links.	591	* refcounts and freeing the links.
483	*/	592	*/
484	static void	593	static void
485	free_key_values (object *op)	594	free_key_values (object *op)
486	{	595	{
487	for (key_value *i = op->key_values; i != 0;)	596	for (key_value *i = op->key_values; i; )
488	{	597	{
489	key_value *next = i->next;	598	key_value *next = i->next;
490	delete i;	599	delete i;
491		600
492	i = next;	601	i = next;
493	}	602	}
494		603
495	op->key_values = 0;	604	op->key_values = 0;
496	}	605	}
497		606
498	void object::clear ()	607	object &
		608	object::operator =(const object &src)
499	{	609	{
500	attachable_base::clear ();	610	bool is_freed = flag [FLAG_FREED];
		611	bool is_removed = flag [FLAG_REMOVED];
501		612
502	free_key_values (this);	613	*(object_copy *)this = src;
503		614
504	owner = 0;	615	flag [FLAG_FREED] = is_freed;
505	name = 0;	616	flag [FLAG_REMOVED] = is_removed;
506	name_pl = 0;
507	title = 0;
508	race = 0;
509	slaying = 0;
510	skill = 0;
511	msg = 0;
512	lore = 0;
513	custom_name = 0;
514	materialname = 0;
515	contr = 0;
516	below = 0;
517	above = 0;
518	inv = 0;
519	container = 0;
520	env = 0;
521	more = 0;
522	head = 0;
523	map = 0;
524	active_next = 0;
525	active_prev = 0;
526
527	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
528
529	SET_FLAG (this, FLAG_REMOVED);
530
531	/* What is not cleared is next, prev, and count */
532
533	expmul = 1.0;
534	face = blank_face;
535	attacked_by_count = -1;
536
537	if (settings.casting_time)
538	casting_time = -1;
539	}
540
541	void object::clone (object *destination)
542	{
543	*(object_copy *)destination = *this;
544	*(object_pod *)destination = *this;
545
546	if (self || cb)
547	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
548	}
549
550	/*
551	* copy object first frees everything allocated by the second object,
552	* and then copies the contends of the first object into the second
553	* object, allocating what needs to be allocated. Basically, any
554	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
555	* if the first object is freed, the pointers in the new object
556	* will point at garbage.
557	*/
558	void
559	copy_object (object *op2, object *op)
560	{
561	bool is_freed = QUERY_FLAG (op, FLAG_FREED);
562	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
563
564	op2->clone (op);
565
566	if (is_freed)
567	SET_FLAG (op, FLAG_FREED);
568	if (is_removed)
569	SET_FLAG (op, FLAG_REMOVED);
570
571	if (op2->speed < 0)
572	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
573		617
574	/* Copy over key_values, if any. */	618	/* Copy over key_values, if any. */
575	if (op2->key_values)	619	if (src.key_values)
576	{	620	{
577	key_value *tail = 0;	621	key_value *tail = 0;
578	key_value *i;
579
580	op->key_values = 0;	622	key_values = 0;
581		623
582	for (i = op2->key_values; i; i = i->next)	624	for (key_value *i = src.key_values; i; i = i->next)
583	{	625	{
584	key_value *new_link = new key_value;	626	key_value *new_link = new key_value;
585		627
586	new_link->next = 0;	628	new_link->next = 0;
587	new_link->key = i->key;	629	new_link->key = i->key;
588	new_link->value = i->value;	630	new_link->value = i->value;
589		631
590	/* Try and be clever here, too. */	632	/* Try and be clever here, too. */
591	if (!op->key_values)	633	if (!key_values)
592	{	634	{
593	op->key_values = new_link;	635	key_values = new_link;
594	tail = new_link;	636	tail = new_link;
595	}	637	}
596	else	638	else
597	{	639	{
598	tail->next = new_link;	640	tail->next = new_link;
599	tail = new_link;	641	tail = new_link;
600	}	642	}
601	}	643	}
602	}	644	}
		645	}
603		646
604	update_ob_speed (op);	647	/*
		648	* copy_to first frees everything allocated by the dst object,
		649	* and then copies the contents of itself into the second
		650	* object, allocating what needs to be allocated. Basically, any
		651	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		652	* if the first object is freed, the pointers in the new object
		653	* will point at garbage.
		654	*/
		655	void
		656	object::copy_to (object *dst)
		657	{
		658	*dst = *this;
		659
		660	if (speed < 0)
		661	dst->speed_left -= rndm ();
		662
		663	dst->set_speed (dst->speed);
		664	}
		665
		666	void
		667	object::instantiate ()
		668	{
		669	if (!uuid.seq) // HACK
		670	uuid = UUID::gen ();
		671
		672	speed_left = -0.1f;
		673	/* copy the body_info to the body_used - this is only really
		674	* need for monsters, but doesn't hurt to do it for everything.
		675	* by doing so, when a monster is created, it has good starting
		676	* values for the body_used info, so when items are created
		677	* for it, they can be properly equipped.
		678	*/
		679	for (int i = NUM_BODY_LOCATIONS; i--; )
		680	slot[i].used = slot[i].info;
		681
		682	attachable::instantiate ();
		683	}
		684
		685	object *
		686	object::clone ()
		687	{
		688	object *neu = create ();
		689	copy_to (neu);
		690	return neu;
605	}	691	}
606		692
607	/*	693	/*
608	* If an object with the IS_TURNABLE() flag needs to be turned due	694	* If an object with the IS_TURNABLE() flag needs to be turned due
609	* to the closest player being on the other side, this function can	695	* to the closest player being on the other side, this function can
610	* be called to update the face variable, _and_ how it looks on the map.	696	* be called to update the face variable, _and_ how it looks on the map.
611	*/	697	*/
612
613	void	698	void
614	update_turn_face (object *op)	699	update_turn_face (object *op)
615	{	700	{
616	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	701	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
617	return;	702	return;
		703
618	SET_ANIMATION (op, op->direction);	704	SET_ANIMATION (op, op->direction);
619	update_object (op, UP_OBJ_FACE);	705	update_object (op, UP_OBJ_FACE);
620	}	706	}
621		707
622	/*	708	/*
623	* Updates the speed of an object. If the speed changes from 0 to another	709	* Updates the speed of an object. If the speed changes from 0 to another
624	* value, or vice versa, then add/remove the object from the active list.	710	* value, or vice versa, then add/remove the object from the active list.
625	* This function needs to be called whenever the speed of an object changes.	711	* This function needs to be called whenever the speed of an object changes.
626	*/	712	*/
627	void	713	void
628	update_ob_speed (object *op)	714	object::set_speed (float speed)
629	{	715	{
630	extern int arch_init;	716	if (flag [FLAG_FREED] && speed)
631
632	/* No reason putting the archetypes objects on the speed list,
633	* since they never really need to be updated.
634	*/
635
636	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
637	{	717	{
638	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	718	LOG (llevError, "Object %s is freed but has speed.\n", &name);
639	#ifdef MANY_CORES
640	abort ();
641	#else
642	op->speed = 0;	719	speed = 0;
643	#endif
644	}
645
646	if (arch_init)
647	return;
648
649	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
650	{	720	}
651	/* If already on active list, don't do anything */
652	if (op->active_next || op->active_prev || op == active_objects)
653	return;
654		721
655	/* process_events() expects us to insert the object at the beginning	722	this->speed = speed;
656	* of the list. */
657	op->active_next = active_objects;
658		723
659	if (op->active_next != NULL)	724	if (has_active_speed ())
660	op->active_next->active_prev = op;	725	activate ();
661
662	active_objects = op;
663	}
664	else	726	else
665	{	727	deactivate ();
666	/* If not on the active list, nothing needs to be done */
667	if (!op->active_next && !op->active_prev && op != active_objects)
668	return;
669
670	if (op->active_prev == NULL)
671	{
672	active_objects = op->active_next;
673
674	if (op->active_next != NULL)
675	op->active_next->active_prev = NULL;
676	}
677	else
678	{
679	op->active_prev->active_next = op->active_next;
680
681	if (op->active_next)
682	op->active_next->active_prev = op->active_prev;
683	}
684
685	op->active_next = NULL;
686	op->active_prev = NULL;
687	}
688	}	728	}
689		729
690	/* This function removes object 'op' from the list of active
691	* objects.
692	* This should only be used for style maps or other such
693	* reference maps where you don't want an object that isn't
694	* in play chewing up cpu time getting processed.
695	* The reverse of this is to call update_ob_speed, which
696	* will do the right thing based on the speed of the object.
697	*/
698	void
699	remove_from_active_list (object *op)
700	{
701	/* If not on the active list, nothing needs to be done */
702	if (!op->active_next && !op->active_prev && op != active_objects)
703	return;
704
705	if (op->active_prev == NULL)
706	{
707	active_objects = op->active_next;
708	if (op->active_next != NULL)
709	op->active_next->active_prev = NULL;
710	}
711	else
712	{
713	op->active_prev->active_next = op->active_next;
714	if (op->active_next)
715	op->active_next->active_prev = op->active_prev;
716	}
717	op->active_next = NULL;
718	op->active_prev = NULL;
719	}
720
721	/*	730	/*
722	* update_object() updates the array which represents the map.	731	* update_object() updates the the map.
723	* It takes into account invisible objects (and represent squares covered	732	* It takes into account invisible objects (and represent squares covered
724	* by invisible objects by whatever is below them (unless it's another	733	* by invisible objects by whatever is below them (unless it's another
725	* invisible object, etc...)	734	* invisible object, etc...)
726	* If the object being updated is beneath a player, the look-window	735	* If the object being updated is beneath a player, the look-window
727	* of that player is updated (this might be a suboptimal way of	736	* of that player is updated (this might be a suboptimal way of
728	* updating that window, though, since update_object() is called _often_)	737	* updating that window, though, since update_object() is called _often_)
729	*	738	*
730	* action is a hint of what the caller believes need to be done.	739	* action is a hint of what the caller believes need to be done.
731	* For example, if the only thing that has changed is the face (due to
732	* an animation), we don't need to call update_position until that actually
733	* comes into view of a player. OTOH, many other things, like addition/removal
734	* of walls or living creatures may need us to update the flags now.
735	* current action are:	740	* current action are:
736	* UP_OBJ_INSERT: op was inserted	741	* UP_OBJ_INSERT: op was inserted
737	* UP_OBJ_REMOVE: op was removed	742	* UP_OBJ_REMOVE: op was removed
738	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	743	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
739	* as that is easier than trying to look at what may have changed.	744	* as that is easier than trying to look at what may have changed.
740	* UP_OBJ_FACE: only the objects face has changed.	745	* UP_OBJ_FACE: only the objects face has changed.
741	*/	746	*/
742
743	void	747	void
744	update_object (object *op, int action)	748	update_object (object *op, int action)
745	{	749	{
746	int update_now = 0, flags;
747	MoveType move_on, move_off, move_block, move_slow;
748
749	if (op == NULL)	750	if (op == NULL)
750	{	751	{
751	/* this should never happen */	752	/* this should never happen */
752	LOG (llevDebug, "update_object() called for NULL object.\n");	753	LOG (llevDebug, "update_object() called for NULL object.\n");
753	return;	754	return;
754	}	755	}
755		756
756	if (op->env != NULL)	757	if (op->env)
757	{	758	{
758	/* Animation is currently handled by client, so nothing	759	/* Animation is currently handled by client, so nothing
759	* to do in this case.	760	* to do in this case.
760	*/	761	*/
761	return;	762	return;
…		…
766	*/	767	*/
767	if (!op->map || op->map->in_memory == MAP_SAVING)	768	if (!op->map || op->map->in_memory == MAP_SAVING)
768	return;	769	return;
769		770
770	/* make sure the object is within map boundaries */	771	/* make sure the object is within map boundaries */
771	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	772	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
772	{	773	{
773	LOG (llevError, "update_object() called for object out of map!\n");	774	LOG (llevError, "update_object() called for object out of map!\n");
774	#ifdef MANY_CORES	775	#ifdef MANY_CORES
775	abort ();	776	abort ();
776	#endif	777	#endif
777	return;	778	return;
778	}	779	}
779		780
780	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	781	mapspace &m = op->ms ();
781	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
782	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
783	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
784	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
785	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
786		782
		783	if (!(m.flags_ & P_UPTODATE))
		784	/* nop */;
787	if (action == UP_OBJ_INSERT)	785	else if (action == UP_OBJ_INSERT)
788	{	786	{
		787	// this is likely overkill, TODO: revisit (schmorp)
789	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	788	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
790	update_now = 1;
791
792	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	789	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
793	update_now = 1;	790	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
794		791	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		792	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
795	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	793	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
796	update_now = 1;
797
798	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
799	update_now = 1;
800
801	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
802	update_now = 1;
803
804	if ((move_on | op->move_on) != move_on)	794	|| (m.move_on | op->move_on ) != m.move_on
805	update_now = 1;
806
807	if ((move_off | op->move_off) != move_off)	795	|| (m.move_off | op->move_off ) != m.move_off
808	update_now = 1;	796	|| (m.move_slow | op->move_slow) != m.move_slow
809
810	/* This isn't perfect, but I don't expect a lot of objects to	797	/* This isn't perfect, but I don't expect a lot of objects to
811	* to have move_allow right now.	798	* to have move_allow right now.
812	*/	799	*/
813	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	800	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
814	update_now = 1;	801	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
815		802	m.flags_ = 0;
816	if ((move_slow | op->move_slow) != move_slow)
817	update_now = 1;
818	}	803	}
819	/* if the object is being removed, we can't make intelligent	804	/* if the object is being removed, we can't make intelligent
820	* decisions, because remove_ob can't really pass the object	805	* decisions, because remove_ob can't really pass the object
821	* that is being removed.	806	* that is being removed.
822	*/	807	*/
823	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	808	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
824	update_now = 1;	809	m.flags_ = 0;
825	else if (action == UP_OBJ_FACE)	810	else if (action == UP_OBJ_FACE)
826	/* Nothing to do for that case */ ;	811	/* Nothing to do for that case */ ;
827	else	812	else
828	LOG (llevError, "update_object called with invalid action: %d\n", action);	813	LOG (llevError, "update_object called with invalid action: %d\n", action);
829		814
830	if (update_now)
831	{
832	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
833	update_position (op->map, op->x, op->y);
834	}
835
836	if (op->more != NULL)	815	if (op->more)
837	update_object (op->more, action);	816	update_object (op->more, action);
838	}
839
840	static unordered_vector<object *> mortals;
841	static std::vector<object *> freed;
842
843	void object::free_mortals ()
844	{
845	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();)
846	if ((*i)->refcnt)
847	++i; // further delay freeing
848	else
849	{
850	freed.push_back (*i);//D
851	//delete *i;
852	mortals.erase (i);
853	}
854
855	if (mortals.size())//D
856	LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D
857	}	817	}
858		818
859	object::object ()	819	object::object ()
860	{	820	{
861	SET_FLAG (this, FLAG_REMOVED);	821	SET_FLAG (this, FLAG_REMOVED);
862		822
863	expmul = 1.0;	823	expmul = 1.0;
864	face = blank_face;	824	face = blank_face;
865	attacked_by_count = -1;
866	}	825	}
867		826
868	object::~object ()	827	object::~object ()
869	{	828	{
		829	unlink ();
		830
870	free_key_values (this);	831	free_key_values (this);
871	}	832	}
872		833
		834	static int object_count;
		835
873	void object::link ()	836	void object::link ()
874	{	837	{
		838	assert (!index);//D
		839	uuid = UUID::gen ();
875	count = ++ob_count;	840	count = ++object_count;
876		841
877	prev = 0;	842	refcnt_inc ();
878	next = objects;	843	objects.insert (this);
879
880	if (objects)
881	objects->prev = this;
882
883	objects = this;
884	}	844	}
885		845
886	void object::unlink ()	846	void object::unlink ()
887	{	847	{
888	count = 0;
889
890	/* Remove this object from the list of used objects */
891	if (prev)
892	{
893	prev->next = next;
894	prev = 0;
895	}
896
897	if (next)	848	if (!index)
898	{	849	return;
899	next->prev = prev;	850
900	next = 0;	851	objects.erase (this);
		852	refcnt_dec ();
		853	}
		854
		855	void
		856	object::activate ()
		857	{
		858	/* If already on active list, don't do anything */
		859	if (active)
		860	return;
		861
		862	if (has_active_speed ())
		863	actives.insert (this);
		864	}
		865
		866	void
		867	object::activate_recursive ()
		868	{
		869	activate ();
		870
		871	for (object *op = inv; op; op = op->below)
		872	op->activate_recursive ();
		873	}
		874
		875	/* This function removes object 'op' from the list of active
		876	* objects.
		877	* This should only be used for style maps or other such
		878	* reference maps where you don't want an object that isn't
		879	* in play chewing up cpu time getting processed.
		880	* The reverse of this is to call update_ob_speed, which
		881	* will do the right thing based on the speed of the object.
		882	*/
		883	void
		884	object::deactivate ()
		885	{
		886	/* If not on the active list, nothing needs to be done */
		887	if (!active)
		888	return;
		889
		890	actives.erase (this);
		891	}
		892
		893	void
		894	object::deactivate_recursive ()
		895	{
		896	for (object *op = inv; op; op = op->below)
		897	op->deactivate_recursive ();
		898
		899	deactivate ();
		900	}
		901
		902	void
		903	object::set_flag_inv (int flag, int value)
		904	{
		905	for (object *op = inv; op; op = op->below)
901	}	906	{
		907	op->flag [flag] = value;
		908	op->set_flag_inv (flag, value);
		909	}
		910	}
902		911
903	if (this == objects)	912	/*
904	objects = next;	913	* Remove and free all objects in the inventory of the given object.
		914	* object.c ?
		915	*/
		916	void
		917	object::destroy_inv (bool drop_to_ground)
		918	{
		919	// need to check first, because the checks below might segfault
		920	// as we might be on an invalid mapspace and crossfire code
		921	// is too buggy to ensure that the inventory is empty.
		922	// corollary: if you create arrows etc. with stuff in its inventory,
		923	// cf will crash below with off-map x and y
		924	if (!inv)
		925	return;
		926
		927	/* Only if the space blocks everything do we not process -
		928	* if some form of movement is allowed, let objects
		929	* drop on that space.
		930	*/
		931	if (!drop_to_ground
		932	|| !map
		933	|| map->in_memory != MAP_ACTIVE
		934	|| map->nodrop
		935	|| ms ().move_block == MOVE_ALL)
		936	{
		937	while (inv)
		938	{
		939	inv->destroy_inv (false);
		940	inv->destroy ();
		941	}
		942	}
		943	else
		944	{ /* Put objects in inventory onto this space */
		945	while (inv)
		946	{
		947	object *op = inv;
		948
		949	if (op->flag [FLAG_STARTEQUIP]
		950	|| op->flag [FLAG_NO_DROP]
		951	|| op->type == RUNE
		952	|| op->type == TRAP
		953	|| op->flag [FLAG_IS_A_TEMPLATE]
		954	|| op->flag [FLAG_DESTROY_ON_DEATH])
		955	op->destroy (true);
		956	else
		957	map->insert (op, x, y);
		958	}
		959	}
905	}	960	}
906		961
907	object *object::create ()	962	object *object::create ()
908	{	963	{
909	object *op;
910
911	if (freed.empty ())
912	op = new object;	964	object *op = new object;
913	else
914	{
915	// highly annoying, but the only way to get it stable right now
916	op = freed.back ();
917	freed.pop_back ();
918	op->~object ();
919	new ((void *) op) object;
920	}
921
922	op->link ();	965	op->link ();
923	return op;	966	return op;
924	}	967	}
925		968
926	/*	969	void
927	* free_object() frees everything allocated by an object, removes	970	object::do_destroy ()
928	* it from the list of used objects, and puts it on the list of
929	* free objects. The IS_FREED() flag is set in the object.
930	* The object must have been removed by remove_ob() first for
931	* this function to succeed.
932	*
933	* If free_inventory is set, free inventory as well. Else drop items in
934	* inventory to the ground.
935	*/
936	void object::free (bool free_inventory)
937	{	971	{
938	if (QUERY_FLAG (this, FLAG_FREED))	972	if (flag [FLAG_IS_LINKED])
		973	remove_button_link (this);
		974
		975	if (flag [FLAG_FRIENDLY])
		976	remove_friendly_object (this);
		977
		978	remove ();
		979
		980	attachable::do_destroy ();
		981
		982	deactivate ();
		983	unlink ();
		984
		985	flag [FLAG_FREED] = 1;
		986
		987	// hack to ensure that freed objects still have a valid map
		988	{
		989	static maptile *freed_map; // freed objects are moved here to avoid crashes
		990
		991	if (!freed_map)
		992	{
		993	freed_map = new maptile;
		994
		995	freed_map->path = "<freed objects map>";
		996	freed_map->name = "/internal/freed_objects_map";
		997	freed_map->width = 3;
		998	freed_map->height = 3;
		999	freed_map->nodrop = 1;
		1000
		1001	freed_map->alloc ();
		1002	freed_map->in_memory = MAP_ACTIVE;
		1003	}
		1004
		1005	map = freed_map;
		1006	x = 1;
		1007	y = 1;
		1008	}
		1009
		1010	if (more)
		1011	{
		1012	more->destroy ();
		1013	more = 0;
		1014	}
		1015
		1016	head = 0;
		1017
		1018	// clear those pointers that likely might cause circular references
		1019	owner = 0;
		1020	enemy = 0;
		1021	attacked_by = 0;
		1022	current_weapon = 0;
		1023	}
		1024
		1025	void
		1026	object::destroy (bool destroy_inventory)
		1027	{
		1028	if (destroyed ())
939	return;	1029	return;
940		1030
941	if (QUERY_FLAG (this, FLAG_FRIENDLY))	1031	if (!is_head () && !head->destroyed ())
942	remove_friendly_object (this);
943
944	if (!QUERY_FLAG (this, FLAG_REMOVED))
945	remove_ob (this);
946
947	SET_FLAG (this, FLAG_FREED);
948
949	if (more)
950	{
951	more->free (free_inventory);
952	more = 0;
953	}	1032	{
954		1033	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
955	if (inv)	1034	head->destroy (destroy_inventory);
956	{	1035	}
957	/* Only if the space blocks everything do we not process -
958	* if some form of movement is allowed, let objects
959	* drop on that space.
960	*/
961	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
962	{
963	object *op = inv;
964		1036
965	while (op)	1037	destroy_inv (!destroy_inventory);
966	{
967	object *tmp = op->below;
968	op->free (free_inventory);
969	op = tmp;
970	}
971	}
972	else
973	{ /* Put objects in inventory onto this space */
974	object *op = inv;
975		1038
976	while (op)	1039	if (is_head ())
977	{	1040	if (sound_destroy)
978	object *tmp = op->below;	1041	play_sound (sound_destroy);
		1042	else if (flag [FLAG_MONSTER])
		1043	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
979		1044
980	remove_ob (op);	1045	attachable::destroy ();
981
982	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
983	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
984	free_object (op);
985	else
986	{
987	op->x = x;
988	op->y = y;
989	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
990	}
991
992	op = tmp;
993	}
994	}
995	}
996
997	owner = 0;
998
999	/* Remove object from the active list */
1000	speed = 0;
1001	update_ob_speed (this);
1002
1003	unlink ();
1004
1005	mortals.push_back (this);
1006	}	1046	}
1007		1047
1008	/*	1048	/* op->remove ():
1009	* sub_weight() recursively (outwards) subtracts a number from the
1010	* weight of an object (and what is carried by it's environment(s)).
1011	*/
1012
1013	void
1014	sub_weight (object *op, signed long weight)
1015	{
1016	while (op != NULL)
1017	{
1018	if (op->type == CONTAINER)
1019	{
1020	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1021	}
1022	op->carrying -= weight;
1023	op = op->env;
1024	}
1025	}
1026
1027	/* remove_ob(op):
1028	* This function removes the object op from the linked list of objects	1049	* This function removes the object op from the linked list of objects
1029	* which it is currently tied to. When this function is done, the	1050	* which it is currently tied to. When this function is done, the
1030	* object will have no environment. If the object previously had an	1051	* object will have no environment. If the object previously had an
1031	* environment, the x and y coordinates will be updated to	1052	* environment, the x and y coordinates will be updated to
1032	* the previous environment.	1053	* the previous environment.
1033	* Beware: This function is called from the editor as well!
1034	*/	1054	*/
1035
1036	void	1055	void
1037	remove_ob (object *op)	1056	object::do_remove ()
1038	{	1057	{
		1058	object *tmp, *last = 0;
1039	object *	1059	object *otmp;
1040	tmp, *
1041	last = NULL;
1042	object *
1043	otmp;
1044		1060
1045	tag_t	1061	if (flag [FLAG_REMOVED])
1046	tag;
1047	int
1048	check_walk_off;
1049	mapstruct *
1050	m;
1051
1052	sint16
1053	x,
1054	y;
1055
1056	if (QUERY_FLAG (op, FLAG_REMOVED))
1057	return;	1062	return;
1058		1063
1059	SET_FLAG (op, FLAG_REMOVED);	1064	INVOKE_OBJECT (REMOVE, this);
1060		1065
1061	if (op->more != NULL)	1066	if (object *pl = visible_to ())
1062	remove_ob (op->more);	1067	esrv_del_item (pl->contr, count);
		1068
		1069	flag [FLAG_REMOVED] = true;
		1070
		1071	if (more)
		1072	more->remove ();
1063		1073
1064	/*	1074	/*
1065	* In this case, the object to be removed is in someones	1075	* In this case, the object to be removed is in someones
1066	* inventory.	1076	* inventory.
1067	*/	1077	*/
1068	if (op->env != NULL)	1078	if (env)
1069	{	1079	{
1070	if (op->nrof)	1080	adjust_weight (env, -total_weight ());
1071	sub_weight (op->env, op->weight * op->nrof);	1081
1072	else	1082	*(above ? &above->below : &env->inv) = below;
1073	sub_weight (op->env, op->weight + op->carrying);	1083
		1084	if (below)
		1085	below->above = above;
		1086
		1087	/* we set up values so that it could be inserted into
		1088	* the map, but we don't actually do that - it is up
		1089	* to the caller to decide what we want to do.
		1090	*/
		1091	map = env->map;
		1092	x = env->x;
		1093	y = env->y;
		1094	above = 0;
		1095	below = 0;
		1096	env = 0;
1074		1097
1075	/* NO_FIX_PLAYER is set when a great many changes are being	1098	/* NO_FIX_PLAYER is set when a great many changes are being
1076	* made to players inventory. If set, avoiding the call	1099	* made to players inventory. If set, avoiding the call
1077	* to save cpu time.	1100	* to save cpu time.
1078	*/	1101	*/
1079	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1102	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1080	fix_player (otmp);	1103	otmp->update_stats ();
		1104	}
		1105	else if (map)
		1106	{
		1107	if (type == PLAYER)
		1108	{
		1109	// leaving a spot always closes any open container on the ground
		1110	if (container && !container->env)
		1111	// this causes spurious floorbox updates, but it ensures
		1112	// that the CLOSE event is being sent.
		1113	close_container ();
1081		1114
1082	if (op->above != NULL)	1115	--map->players;
		1116	map->touch ();
		1117	}
		1118
		1119	map->dirty = true;
		1120	mapspace &ms = this->ms ();
		1121
		1122	/* link the object above us */
		1123	if (above)
1083	op->above->below = op->below;	1124	above->below = below;
1084	else	1125	else
1085	op->env->inv = op->below;
1086
1087	if (op->below != NULL)
1088	op->below->above = op->above;
1089
1090	/* we set up values so that it could be inserted into
1091	* the map, but we don't actually do that - it is up
1092	* to the caller to decide what we want to do.
1093	*/
1094	op->x = op->env->x, op->y = op->env->y;
1095	op->map = op->env->map;
1096	op->above = NULL, op->below = NULL;
1097	op->env = NULL;
1098	}
1099	else if (op->map)
1100	{
1101	x = op->x;
1102	y = op->y;
1103	m = get_map_from_coord (op->map, &x, &y);
1104
1105	if (!m)
1106	{
1107	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1108	op->map->path, op->x, op->y);
1109	/* in old days, we used to set x and y to 0 and continue.
1110	* it seems if we get into this case, something is probablye
1111	* screwed up and should be fixed.
1112	*/
1113	abort ();
1114	}
1115
1116	if (op->map != m)
1117	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1118	op->map->path, m->path, op->x, op->y, x, y);
1119
1120	/* Re did the following section of code - it looks like it had
1121	* lots of logic for things we no longer care about
1122	*/
1123
1124	/* link the object above us */
1125	if (op->above)
1126	op->above->below = op->below;
1127	else
1128	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1126	ms.top = below; /* we were top, set new top */
1129		1127
1130	/* Relink the object below us, if there is one */	1128	/* Relink the object below us, if there is one */
1131	if (op->below)	1129	if (below)
1132	op->below->above = op->above;	1130	below->above = above;
1133	else	1131	else
1134	{	1132	{
1135	/* Nothing below, which means we need to relink map object for this space	1133	/* Nothing below, which means we need to relink map object for this space
1136	* use translated coordinates in case some oddness with map tiling is	1134	* use translated coordinates in case some oddness with map tiling is
1137	* evident	1135	* evident
1138	*/	1136	*/
1139	if (GET_MAP_OB (m, x, y) != op)	1137	if (GET_MAP_OB (map, x, y) != this)
1140	{
1141	dump_object (op);
1142	LOG (llevError,
1143	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", errmsg);	1138	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1144	dump_object (GET_MAP_OB (m, x, y));
1145	LOG (llevError, "%s\n", errmsg);
1146	}
1147		1139
1148	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */	1140	ms.bot = above; /* goes on above it. */
1149	}	1141	}
1150		1142
1151	op->above = 0;	1143	above = 0;
1152	op->below = 0;	1144	below = 0;
1153		1145
1154	if (op->map->in_memory == MAP_SAVING)	1146	if (map->in_memory == MAP_SAVING)
1155	return;	1147	return;
1156		1148
1157	tag = op->count;	1149	int check_walk_off = !flag [FLAG_NO_APPLY];
1158	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1159		1150
1160	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1151	if (object *pl = ms.player ())
		1152	{
		1153	if (pl->container == this)
		1154	/* If a container that the player is currently using somehow gets
		1155	* removed (most likely destroyed), update the player view
		1156	* appropriately.
		1157	*/
		1158	pl->close_container ();
		1159
		1160	//TODO: the floorbox prev/next might need updating
		1161	esrv_del_item (pl->contr, count);
		1162	}
		1163
		1164	for (tmp = ms.bot; tmp; tmp = tmp->above)
1161	{	1165	{
1162	/* No point updating the players look faces if he is the object	1166	/* No point updating the players look faces if he is the object
1163	* being removed.	1167	* being removed.
1164	*/	1168	*/
1165		1169
1166	if (tmp->type == PLAYER && tmp != op)	1170	/* See if object moving off should effect something */
		1171	if (check_walk_off
		1172	&& ((move_type & tmp->move_off)
		1173	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1167	{	1174	{
1168	/* If a container that the player is currently using somehow gets	1175	move_apply (tmp, this, 0);
1169	* removed (most likely destroyed), update the player view
1170	* appropriately.
1171	*/
1172	if (tmp->container == op)
1173	{
1174	CLEAR_FLAG (op, FLAG_APPLIED);
1175	tmp->container = NULL;
1176	}
1177		1176
1178	tmp->contr->socket.update_look = 1;	1177	if (destroyed ())
		1178	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1179	}	1179	}
1180
1181	/* See if player moving off should effect something */
1182	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1183	{
1184	move_apply (tmp, op, NULL);
1185
1186	if (was_destroyed (op, tag))
1187	{
1188	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);
1189	}
1190	}
1191
1192	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1193
1194	if (tmp->above == tmp)
1195	tmp->above = NULL;
1196		1180
1197	last = tmp;	1181	last = tmp;
1198	}	1182	}
1199		1183
1200	/* last == NULL of there are no objects on this space */	1184	/* last == NULL if there are no objects on this space */
		1185	//TODO: this makes little sense, why only update the topmost object?
1201	if (last == NULL)	1186	if (!last)
1202	{	1187	map->at (x, y).flags_ = 0;
1203	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1204	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1205	* those out anyways, and if there are any flags set right now, they won't
1206	* be correct anyways.
1207	*/
1208	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1209	update_position (op->map, op->x, op->y);
1210	}
1211	else	1188	else
1212	update_object (last, UP_OBJ_REMOVE);	1189	update_object (last, UP_OBJ_REMOVE);
1213		1190
1214	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1191	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1215	update_all_los (op->map, op->x, op->y);	1192	update_all_los (map, x, y);
1216	}	1193	}
1217	}	1194	}
1218		1195
1219	/*	1196	/*
1220	* merge_ob(op,top):	1197	* merge_ob(op,top):
…		…
1222	* This function goes through all objects below and including top, and	1199	* This function goes through all objects below and including top, and
1223	* merges op to the first matching object.	1200	* merges op to the first matching object.
1224	* If top is NULL, it is calculated.	1201	* If top is NULL, it is calculated.
1225	* Returns pointer to object if it succeded in the merge, otherwise NULL	1202	* Returns pointer to object if it succeded in the merge, otherwise NULL
1226	*/	1203	*/
1227
1228	object *	1204	object *
1229	merge_ob (object *op, object *top)	1205	merge_ob (object *op, object *top)
1230	{	1206	{
1231	if (!op->nrof)	1207	if (!op->nrof)
1232	return 0;	1208	return 0;
1233		1209
1234	if (top == NULL)	1210	if (!top)
1235	for (top = op; top != NULL && top->above != NULL; top = top->above);	1211	for (top = op; top && top->above; top = top->above)
		1212	;
1236		1213
1237	for (; top != NULL; top = top->below)	1214	for (; top; top = top->below)
1238	{	1215	if (object::can_merge (op, top))
1239	if (top == op)
1240	continue;
1241	if (CAN_MERGE (op, top))
1242	{	1216	{
1243	top->nrof += op->nrof;	1217	top->nrof += op->nrof;
1244		1218
1245	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1219	if (object *pl = top->visible_to ())
1246	op->weight = 0; /* Don't want any adjustements now */	1220	esrv_update_item (UPD_NROF, pl, top);
1247	remove_ob (op);	1221
1248	free_object (op);	1222	op->weight = 0; // cancel the addition above
		1223	op->carrying = 0; // must be 0 already
		1224
		1225	op->destroy (1);
		1226
1249	return top;	1227	return top;
1250	}	1228	}
1251	}
1252		1229
1253	return NULL;	1230	return 0;
1254	}	1231	}
1255		1232
		1233	void
		1234	object::expand_tail ()
		1235	{
		1236	if (more)
		1237	return;
		1238
		1239	object *prev = this;
		1240
		1241	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1242	{
		1243	object *op = arch_to_object (at);
		1244
		1245	op->name = name;
		1246	op->name_pl = name_pl;
		1247	op->title = title;
		1248
		1249	op->head = this;
		1250	prev->more = op;
		1251
		1252	prev = op;
		1253	}
		1254	}
		1255
1256	/*	1256	/*
1257	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1257	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1258	* job preparing multi-part monsters	1258	* job preparing multi-part monsters.
1259	*/	1259	*/
1260	object *	1260	object *
1261	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1261	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1262	{	1262	{
1263	object *tmp;
1264
1265	if (op->head)
1266	op = op->head;
1267
1268	for (tmp = op; tmp; tmp = tmp->more)	1263	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1269	{	1264	{
1270	tmp->x = x + tmp->arch->clone.x;	1265	tmp->x = x + tmp->arch->x;
1271	tmp->y = y + tmp->arch->clone.y;	1266	tmp->y = y + tmp->arch->y;
1272	}	1267	}
1273		1268
1274	return insert_ob_in_map (op, m, originator, flag);	1269	return insert_ob_in_map (op, m, originator, flag);
1275	}	1270	}
1276		1271
…		…
1292	* Return value:	1287	* Return value:
1293	* new object if 'op' was merged with other object	1288	* new object if 'op' was merged with other object
1294	* NULL if 'op' was destroyed	1289	* NULL if 'op' was destroyed
1295	* just 'op' otherwise	1290	* just 'op' otherwise
1296	*/	1291	*/
1297
1298	object *	1292	object *
1299	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1293	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1300	{	1294	{
1301	object *tmp, *top, *floor = NULL;	1295	assert (!op->flag [FLAG_FREED]);
1302	sint16 x, y;
1303		1296
1304	if (QUERY_FLAG (op, FLAG_FREED))	1297	op->remove ();
1305	{
1306	LOG (llevError, "Trying to insert freed object!\n");
1307	return NULL;
1308	}
1309
1310	if (m == NULL)
1311	{
1312	dump_object (op);
1313	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);
1314	return op;
1315	}
1316
1317	if (out_of_map (m, op->x, op->y))
1318	{
1319	dump_object (op);
1320	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);
1321	#ifdef MANY_CORES
1322	/* Better to catch this here, as otherwise the next use of this object
1323	* is likely to cause a crash. Better to find out where it is getting
1324	* improperly inserted.
1325	*/
1326	abort ();
1327	#endif
1328	return op;
1329	}
1330
1331	if (!QUERY_FLAG (op, FLAG_REMOVED))
1332	{
1333	dump_object (op);
1334	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1335	return op;
1336	}
1337
1338	if (op->more != NULL)
1339	{
1340	/* The part may be on a different map. */
1341
1342	object *more = op->more;
1343
1344	/* We really need the caller to normalize coordinates - if
1345	* we set the map, that doesn't work if the location is within
1346	* a map and this is straddling an edge. So only if coordinate
1347	* is clear wrong do we normalize it.
1348	*/
1349	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1350	more->map = get_map_from_coord (m, &more->x, &more->y);
1351	else if (!more->map)
1352	{
1353	/* For backwards compatibility - when not dealing with tiled maps,
1354	* more->map should always point to the parent.
1355	*/
1356	more->map = m;
1357	}
1358
1359	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1360	{
1361	if (!op->head)
1362	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1363
1364	return NULL;
1365	}
1366	}
1367
1368	CLEAR_FLAG (op, FLAG_REMOVED);
1369		1298
1370	/* Ideally, the caller figures this out. However, it complicates a lot	1299	/* Ideally, the caller figures this out. However, it complicates a lot
1371	* of areas of callers (eg, anything that uses find_free_spot would now	1300	* of areas of callers (eg, anything that uses find_free_spot would now
1372	* need extra work	1301	* need extra work
1373	*/	1302	*/
1374	op->map = get_map_from_coord (m, &op->x, &op->y);	1303	if (!xy_normalise (m, op->x, op->y))
1375	x = op->x;	1304	{
1376	y = op->y;	1305	op->destroy (1);
		1306	return 0;
		1307	}
		1308
		1309	if (object *more = op->more)
		1310	if (!insert_ob_in_map (more, m, originator, flag))
		1311	return 0;
		1312
		1313	CLEAR_FLAG (op, FLAG_REMOVED);
		1314
		1315	op->map = m;
		1316	mapspace &ms = op->ms ();
1377		1317
1378	/* this has to be done after we translate the coordinates.	1318	/* this has to be done after we translate the coordinates.
1379	*/	1319	*/
1380	if (op->nrof && !(flag & INS_NO_MERGE))	1320	if (op->nrof && !(flag & INS_NO_MERGE))
1381	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1321	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1382	if (CAN_MERGE (op, tmp))	1322	if (object::can_merge (op, tmp))
1383	{	1323	{
		1324	// TODO: we atcually want to update tmp, not op,
		1325	// but some caller surely breaks when we return tmp
		1326	// from here :/
1384	op->nrof += tmp->nrof;	1327	op->nrof += tmp->nrof;
1385	remove_ob (tmp);	1328	tmp->destroy (1);
1386	free_object (tmp);
1387	}	1329	}
1388		1330
1389	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1331	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1390	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1332	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1391		1333
…		…
1404	op->below = originator->below;	1346	op->below = originator->below;
1405		1347
1406	if (op->below)	1348	if (op->below)
1407	op->below->above = op;	1349	op->below->above = op;
1408	else	1350	else
1409	SET_MAP_OB (op->map, op->x, op->y, op);	1351	ms.bot = op;
1410		1352
1411	/* since *below* originator, no need to update top */	1353	/* since *below* originator, no need to update top */
1412	originator->below = op;	1354	originator->below = op;
1413	}	1355	}
1414	else	1356	else
1415	{	1357	{
		1358	object *top, *floor = NULL;
		1359
		1360	top = ms.bot;
		1361
1416	/* If there are other objects, then */	1362	/* If there are other objects, then */
1417	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1363	if (top)
1418	{	1364	{
1419	object *last = NULL;	1365	object *last = 0;
1420		1366
1421	/*	1367	/*
1422	* If there are multiple objects on this space, we do some trickier handling.	1368	* If there are multiple objects on this space, we do some trickier handling.
1423	* We've already dealt with merging if appropriate.	1369	* We've already dealt with merging if appropriate.
1424	* Generally, we want to put the new object on top. But if	1370	* Generally, we want to put the new object on top. But if
…		…
1428	* once we get to them. This reduces the need to traverse over all of	1374	* once we get to them. This reduces the need to traverse over all of
1429	* them when adding another one - this saves quite a bit of cpu time	1375	* them when adding another one - this saves quite a bit of cpu time
1430	* when lots of spells are cast in one area. Currently, it is presumed	1376	* when lots of spells are cast in one area. Currently, it is presumed
1431	* that flying non pickable objects are spell objects.	1377	* that flying non pickable objects are spell objects.
1432	*/	1378	*/
1433		1379	for (top = ms.bot; top; top = top->above)
1434	while (top != NULL)
1435	{	1380	{
1436	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1381	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1437	floor = top;	1382	floor = top;
1438		1383
1439	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1384	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1442	top = top->below;	1387	top = top->below;
1443	break;	1388	break;
1444	}	1389	}
1445		1390
1446	last = top;	1391	last = top;
1447	top = top->above;
1448	}	1392	}
1449		1393
1450	/* Don't want top to be NULL, so set it to the last valid object */	1394	/* Don't want top to be NULL, so set it to the last valid object */
1451	top = last;	1395	top = last;
1452		1396
…		…
1454	* looks like instead of lots of conditions here.	1398	* looks like instead of lots of conditions here.
1455	* makes things faster, and effectively the same result.	1399	* makes things faster, and effectively the same result.
1456	*/	1400	*/
1457		1401
1458	/* Have object 'fall below' other objects that block view.	1402	/* Have object 'fall below' other objects that block view.
1459	* Unless those objects are exits, type 66	1403	* Unless those objects are exits.
1460	* If INS_ON_TOP is used, don't do this processing	1404	* If INS_ON_TOP is used, don't do this processing
1461	* Need to find the object that in fact blocks view, otherwise	1405	* Need to find the object that in fact blocks view, otherwise
1462	* stacking is a bit odd.	1406	* stacking is a bit odd.
1463	*/	1407	*/
1464	if (!(flag & INS_ON_TOP) &&	1408	if (!(flag & INS_ON_TOP)
1465	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1409	&& ms.flags () & P_BLOCKSVIEW
		1410	&& (op->face && !faces [op->face].visibility))
1466	{	1411	{
1467	for (last = top; last != floor; last = last->below)	1412	for (last = top; last != floor; last = last->below)
1468	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1413	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1469	break;	1414	break;
		1415
1470	/* Check to see if we found the object that blocks view,	1416	/* Check to see if we found the object that blocks view,
1471	* and make sure we have a below pointer for it so that	1417	* and make sure we have a below pointer for it so that
1472	* we can get inserted below this one, which requires we	1418	* we can get inserted below this one, which requires we
1473	* set top to the object below us.	1419	* set top to the object below us.
1474	*/	1420	*/
1475	if (last && last->below && last != floor)	1421	if (last && last->below && last != floor)
1476	top = last->below;	1422	top = last->below;
1477	}	1423	}
1478	} /* If objects on this space */	1424	} /* If objects on this space */
1479		1425
1480	if (flag & INS_MAP_LOAD)
1481	top = GET_MAP_TOP (op->map, op->x, op->y);
1482
1483	if (flag & INS_ABOVE_FLOOR_ONLY)	1426	if (flag & INS_ABOVE_FLOOR_ONLY)
1484	top = floor;	1427	top = floor;
1485		1428
1486	/* Top is the object that our object (op) is going to get inserted above.	1429	/* Top is the object that our object (op) is going to get inserted above.
1487	*/	1430	*/
1488		1431
1489	/* First object on this space */	1432	/* First object on this space */
1490	if (!top)	1433	if (!top)
1491	{	1434	{
1492	op->above = GET_MAP_OB (op->map, op->x, op->y);	1435	op->above = ms.bot;
1493		1436
1494	if (op->above)	1437	if (op->above)
1495	op->above->below = op;	1438	op->above->below = op;
1496		1439
1497	op->below = NULL;	1440	op->below = 0;
1498	SET_MAP_OB (op->map, op->x, op->y, op);	1441	ms.bot = op;
1499	}	1442	}
1500	else	1443	else
1501	{ /* get inserted into the stack above top */	1444	{ /* get inserted into the stack above top */
1502	op->above = top->above;	1445	op->above = top->above;
1503		1446
…		…
1506		1449
1507	op->below = top;	1450	op->below = top;
1508	top->above = op;	1451	top->above = op;
1509	}	1452	}
1510		1453
1511	if (op->above == NULL)	1454	if (!op->above)
1512	SET_MAP_TOP (op->map, op->x, op->y, op);	1455	ms.top = op;
1513	} /* else not INS_BELOW_ORIGINATOR */	1456	} /* else not INS_BELOW_ORIGINATOR */
1514		1457
1515	if (op->type == PLAYER)	1458	if (op->type == PLAYER)
		1459	{
1516	op->contr->do_los = 1;	1460	op->contr->do_los = 1;
		1461	++op->map->players;
		1462	op->map->touch ();
		1463	}
1517		1464
1518	/* If we have a floor, we know the player, if any, will be above	1465	op->map->dirty = true;
1519	* it, so save a few ticks and start from there.	1466
1520	*/	1467	if (object *pl = ms.player ())
1521	if (!(flag & INS_MAP_LOAD))	1468	//TODO: the floorbox prev/next might need updating
1522	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1469	esrv_send_item (pl, op);
1523	if (tmp->type == PLAYER)
1524	tmp->contr->socket.update_look = 1;
1525		1470
1526	/* If this object glows, it may affect lighting conditions that are	1471	/* If this object glows, it may affect lighting conditions that are
1527	* visible to others on this map. But update_all_los is really	1472	* visible to others on this map. But update_all_los is really
1528	* an inefficient way to do this, as it means los for all players	1473	* an inefficient way to do this, as it means los for all players
1529	* on the map will get recalculated. The players could very well	1474	* on the map will get recalculated. The players could very well
1530	* be far away from this change and not affected in any way -	1475	* be far away from this change and not affected in any way -
1531	* this should get redone to only look for players within range,	1476	* this should get redone to only look for players within range,
1532	* or just updating the P_NEED_UPDATE for spaces within this area	1477	* or just updating the P_UPTODATE for spaces within this area
1533	* of effect may be sufficient.	1478	* of effect may be sufficient.
1534	*/	1479	*/
1535	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1480	if (op->map->darkness && (op->glow_radius != 0))
1536	update_all_los (op->map, op->x, op->y);	1481	update_all_los (op->map, op->x, op->y);
1537		1482
1538	/* updates flags (blocked, alive, no magic, etc) for this map space */	1483	/* updates flags (blocked, alive, no magic, etc) for this map space */
1539	update_object (op, UP_OBJ_INSERT);	1484	update_object (op, UP_OBJ_INSERT);
1540		1485
		1486	INVOKE_OBJECT (INSERT, op);
		1487
1541	/* Don't know if moving this to the end will break anything. However,	1488	/* Don't know if moving this to the end will break anything. However,
1542	* we want to have update_look set above before calling this.	1489	* we want to have floorbox_update called before calling this.
1543	*	1490	*
1544	* check_move_on() must be after this because code called from	1491	* check_move_on() must be after this because code called from
1545	* check_move_on() depends on correct map flags (so functions like	1492	* check_move_on() depends on correct map flags (so functions like
1546	* blocked() and wall() work properly), and these flags are updated by	1493	* blocked() and wall() work properly), and these flags are updated by
1547	* update_object().	1494	* update_object().
1548	*/	1495	*/
1549		1496
1550	/* if this is not the head or flag has been passed, don't check walk on status */	1497	/* if this is not the head or flag has been passed, don't check walk on status */
1551	if (!(flag & INS_NO_WALK_ON) && !op->head)	1498	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1552	{	1499	{
1553	if (check_move_on (op, originator))	1500	if (check_move_on (op, originator))
1554	return NULL;	1501	return 0;
1555		1502
1556	/* If we are a multi part object, lets work our way through the check	1503	/* If we are a multi part object, lets work our way through the check
1557	* walk on's.	1504	* walk on's.
1558	*/	1505	*/
1559	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1506	for (object *tmp = op->more; tmp; tmp = tmp->more)
1560	if (check_move_on (tmp, originator))	1507	if (check_move_on (tmp, originator))
1561	return NULL;	1508	return 0;
1562	}	1509	}
1563		1510
1564	return op;	1511	return op;
1565	}	1512	}
1566		1513
1567	/* this function inserts an object in the map, but if it	1514	/* this function inserts an object in the map, but if it
1568	* finds an object of its own type, it'll remove that one first.	1515	* finds an object of its own type, it'll remove that one first.
1569	* op is the object to insert it under: supplies x and the map.	1516	* op is the object to insert it under: supplies x and the map.
1570	*/	1517	*/
1571	void	1518	void
1572	replace_insert_ob_in_map (const char *arch_string, object *op)	1519	replace_insert_ob_in_map (const char *arch_string, object *op)
1573	{	1520	{
1574	object *
1575	tmp;
1576	object *
1577	tmp1;
1578
1579	/* first search for itself and remove any old instances */	1521	/* first search for itself and remove any old instances */
1580		1522
1581	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1523	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1582	{
1583	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1524	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1584	{	1525	tmp->destroy (1);
1585	remove_ob (tmp);
1586	free_object (tmp);
1587	}
1588	}
1589		1526
1590	tmp1 = arch_to_object (find_archetype (arch_string));	1527	object *tmp = arch_to_object (archetype::find (arch_string));
1591		1528
1592	tmp1->x = op->x;	1529	tmp->x = op->x;
1593	tmp1->y = op->y;	1530	tmp->y = op->y;
		1531
1594	insert_ob_in_map (tmp1, op->map, op, 0);	1532	insert_ob_in_map (tmp, op->map, op, 0);
1595	}	1533	}
1596
1597	/*
1598	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1599	* is returned contains nr objects, and the remaining parts contains
1600	* the rest (or is removed and freed if that number is 0).
1601	* On failure, NULL is returned, and the reason put into the
1602	* global static errmsg array.
1603	*/
1604		1534
1605	object *	1535	object *
1606	get_split_ob (object *orig_ob, uint32 nr)	1536	object::insert_at (object *where, object *originator, int flags)
1607	{	1537	{
1608	object *	1538	if (where->env)
1609	newob;	1539	return where->env->insert (this);
1610	int	1540	else
1611	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1541	return where->map->insert (this, where->x, where->y, originator, flags);
1612
1613	if (orig_ob->nrof < nr)
1614	{
1615	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1616	return NULL;
1617	}
1618
1619	newob = object_create_clone (orig_ob);
1620
1621	if ((orig_ob->nrof -= nr) < 1)
1622	{
1623	if (!is_removed)
1624	remove_ob (orig_ob);
1625	free_object2 (orig_ob, 1);
1626	}
1627	else if (!is_removed)
1628	{
1629	if (orig_ob->env != NULL)
1630	sub_weight (orig_ob->env, orig_ob->weight * nr);
1631	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1632	{
1633	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1634	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1635	return NULL;
1636	}
1637	}
1638
1639	newob->nrof = nr;
1640
1641	return newob;
1642	}	1542	}
1643		1543
1644	/*	1544	/*
1645	* decrease_ob_nr(object, number) decreases a specified number from	1545	* decrease(object, number) decreases a specified number from
1646	* the amount of an object. If the amount reaches 0, the object	1546	* the amount of an object. If the amount reaches 0, the object
1647	* is subsequently removed and freed.	1547	* is subsequently removed and freed.
1648	*	1548	*
1649	* Return value: 'op' if something is left, NULL if the amount reached 0	1549	* Return value: 'op' if something is left, NULL if the amount reached 0
1650	*/	1550	*/
		1551	bool
		1552	object::decrease (sint32 nr)
		1553	{
		1554	if (!nr)
		1555	return true;
1651		1556
		1557	nr = min (nr, nrof);
		1558
		1559	nrof -= nr;
		1560
		1561	if (nrof)
		1562	{
		1563	adjust_weight (env, -weight * nr); // carrying == 0
		1564
		1565	if (object *pl = visible_to ())
		1566	esrv_update_item (UPD_NROF, pl, this);
		1567
		1568	return true;
		1569	}
		1570	else
		1571	{
		1572	destroy (1);
		1573	return false;
		1574	}
		1575	}
		1576
		1577	/*
		1578	* split(ob,nr) splits up ob into two parts. The part which
		1579	* is returned contains nr objects, and the remaining parts contains
		1580	* the rest (or is removed and returned if that number is 0).
		1581	* On failure, NULL is returned.
		1582	*/
1652	object *	1583	object *
1653	decrease_ob_nr (object *op, uint32 i)	1584	object::split (sint32 nr)
1654	{	1585	{
1655	object *tmp;	1586	int have = number_of ();
1656	player *pl;
1657		1587
1658	if (i == 0) /* objects with op->nrof require this check */	1588	if (have < nr)
1659	return op;	1589	return 0;
1660		1590	else if (have == nr)
1661	if (i > op->nrof)
1662	i = op->nrof;
1663
1664	if (QUERY_FLAG (op, FLAG_REMOVED))
1665	op->nrof -= i;
1666	else if (op->env != NULL)
1667	{	1591	{
1668	/* is this object in the players inventory, or sub container
1669	* therein?
1670	*/
1671	tmp = is_player_inv (op->env);
1672	/* nope. Is this a container the player has opened?
1673	* If so, set tmp to that player.
1674	* IMO, searching through all the players will mostly
1675	* likely be quicker than following op->env to the map,
1676	* and then searching the map for a player.
1677	*/
1678	if (!tmp)
1679	{
1680	for (pl = first_player; pl; pl = pl->next)
1681	if (pl->ob->container == op->env)
1682	break;
1683	if (pl)
1684	tmp = pl->ob;
1685	else
1686	tmp = NULL;
1687	}
1688
1689	if (i < op->nrof)
1690	{
1691	sub_weight (op->env, op->weight * i);
1692	op->nrof -= i;
1693	if (tmp)
1694	{
1695	esrv_send_item (tmp, op);
1696	}
1697	}
1698	else
1699	{
1700	remove_ob (op);	1592	remove ();
1701	op->nrof = 0;	1593	return this;
1702	if (tmp)
1703	{
1704	esrv_del_item (tmp->contr, op->count);
1705	}
1706	}
1707	}	1594	}
1708	else	1595	else
1709	{	1596	{
1710	object *above = op->above;	1597	decrease (nr);
1711		1598
1712	if (i < op->nrof)	1599	object *op = object_create_clone (this);
1713	op->nrof -= i;	1600	op->nrof = nr;
1714	else
1715	{
1716	remove_ob (op);
1717	op->nrof = 0;
1718	}
1719
1720	/* Since we just removed op, op->above is null */
1721	for (tmp = above; tmp != NULL; tmp = tmp->above)
1722	if (tmp->type == PLAYER)
1723	{
1724	if (op->nrof)
1725	esrv_send_item (tmp, op);
1726	else
1727	esrv_del_item (tmp->contr, op->count);
1728	}
1729	}
1730
1731	if (op->nrof)
1732	return op;	1601	return op;
1733	else
1734	{	1602	}
1735	free_object (op);	1603	}
		1604
		1605	object *
		1606	insert_ob_in_ob (object *op, object *where)
		1607	{
		1608	if (!where)
		1609	{
		1610	char *dump = dump_object (op);
		1611	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1612	free (dump);
1736	return NULL;	1613	return op;
1737	}
1738	}
1739
1740	/*
1741	* add_weight(object, weight) adds the specified weight to an object,
1742	* and also updates how much the environment(s) is/are carrying.
1743	*/
1744
1745	void
1746	add_weight (object *op, signed long weight)
1747	{
1748	while (op != NULL)
1749	{	1614	}
1750	if (op->type == CONTAINER)
1751	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1752		1615
1753	op->carrying += weight;	1616	if (where->head_ () != where)
1754	op = op->env;
1755	}	1617	{
1756	}	1618	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1619	where = where->head;
		1620	}
1757		1621
		1622	return where->insert (op);
		1623	}
		1624
1758	/*	1625	/*
1759	* insert_ob_in_ob(op,environment):	1626	* env->insert (op)
1760	* This function inserts the object op in the linked list	1627	* This function inserts the object op in the linked list
1761	* inside the object environment.	1628	* inside the object environment.
1762	*	1629	*
1763	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1764	* the inventory at the last position or next to other objects of the same
1765	* type.
1766	* Frank: Now sorted by type, archetype and magic!
1767	*
1768	* The function returns now pointer to inserted item, and return value can	1630	* The function returns now pointer to inserted item, and return value can
1769	* be != op, if items are merged. -Tero	1631	* be != op, if items are merged. -Tero
1770	*/	1632	*/
1771
1772	object *	1633	object *
1773	insert_ob_in_ob (object *op, object *where)	1634	object::insert (object *op)
1774	{	1635	{
1775	object *
1776	tmp, *
1777	otmp;
1778
1779	if (!QUERY_FLAG (op, FLAG_REMOVED))
1780	{
1781	dump_object (op);
1782	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1783	return op;
1784	}
1785
1786	if (where == NULL)
1787	{
1788	dump_object (op);
1789	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1790	return op;
1791	}
1792
1793	if (where->head)
1794	{
1795	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1796	where = where->head;
1797	}
1798
1799	if (op->more)	1636	if (op->more)
1800	{	1637	{
1801	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1638	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1802	return op;	1639	return op;
1803	}	1640	}
1804		1641
1805	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1642	op->remove ();
1806	CLEAR_FLAG (op, FLAG_REMOVED);	1643
		1644	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1645
1807	if (op->nrof)	1646	if (op->nrof)
1808	{
1809	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1647	for (object *tmp = inv; tmp; tmp = tmp->below)
1810	if (CAN_MERGE (tmp, op))	1648	if (object::can_merge (tmp, op))
1811	{	1649	{
1812	/* return the original object and remove inserted object	1650	/* return the original object and remove inserted object
1813	(client needs the original object) */	1651	(client needs the original object) */
1814	tmp->nrof += op->nrof;	1652	tmp->nrof += op->nrof;
1815	/* Weight handling gets pretty funky. Since we are adding to	1653
1816	* tmp->nrof, we need to increase the weight.	1654	if (object *pl = tmp->visible_to ())
1817	*/	1655	esrv_update_item (UPD_NROF, pl, tmp);
1818	add_weight (where, op->weight * op->nrof);	1656
1819	SET_FLAG (op, FLAG_REMOVED);	1657	adjust_weight (this, op->total_weight ());
1820	free_object (op); /* free the inserted object */	1658
		1659	op->destroy (1);
1821	op = tmp;	1660	op = tmp;
1822	remove_ob (op); /* and fix old object's links */	1661	goto inserted;
1823	CLEAR_FLAG (op, FLAG_REMOVED);
1824	break;
1825	}	1662	}
1826		1663
1827	/* I assume combined objects have no inventory	1664	op->owner = 0; // it's his/hers now. period.
1828	* We add the weight - this object could have just been removed
1829	* (if it was possible to merge). calling remove_ob will subtract
1830	* the weight, so we need to add it in again, since we actually do
1831	* the linking below
1832	*/
1833	add_weight (where, op->weight * op->nrof);
1834	}
1835	else
1836	add_weight (where, (op->weight + op->carrying));
1837
1838	otmp = is_player_inv (where);
1839	if (otmp && otmp->contr != NULL)
1840	{
1841	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1842	fix_player (otmp);
1843	}
1844
1845	op->map = NULL;	1665	op->map = 0;
1846	op->env = where;	1666	op->x = 0;
		1667	op->y = 0;
		1668
1847	op->above = NULL;	1669	op->above = 0;
1848	op->below = NULL;	1670	op->below = inv;
1849	op->x = 0, op->y = 0;	1671	op->env = this;
1850		1672
		1673	if (inv)
		1674	inv->above = op;
		1675
		1676	inv = op;
		1677
		1678	op->flag [FLAG_REMOVED] = 0;
		1679
		1680	if (object *pl = op->visible_to ())
		1681	esrv_send_item (pl, op);
		1682
		1683	adjust_weight (this, op->total_weight ());
		1684
		1685	inserted:
1851	/* reset the light list and los of the players on the map */	1686	/* reset the light list and los of the players on the map */
1852	if ((op->glow_radius != 0) && where->map)	1687	if (op->glow_radius && map && map->darkness)
1853	{	1688	update_all_los (map, x, y);
1854	#ifdef DEBUG_LIGHTS
1855	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1856	#endif /* DEBUG_LIGHTS */
1857	if (MAP_DARKNESS (where->map))
1858	update_all_los (where->map, where->x, where->y);
1859	}
1860		1689
1861	/* Client has no idea of ordering so lets not bother ordering it here.	1690	// if this is a player's inventory, update stats
1862	* It sure simplifies this function...	1691	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1863	*/	1692	update_stats ();
1864	if (where->inv == NULL)	1693
1865	where->inv = op;	1694	INVOKE_OBJECT (INSERT, this);
1866	else	1695
1867	{
1868	op->below = where->inv;
1869	op->below->above = op;
1870	where->inv = op;
1871	}
1872	return op;	1696	return op;
1873	}	1697	}
1874		1698
1875	/*	1699	/*
1876	* Checks if any objects has a move_type that matches objects	1700	* Checks if any objects has a move_type that matches objects
…		…
1890	*	1714	*
1891	* MSW 2001-07-08: Check all objects on space, not just those below	1715	* MSW 2001-07-08: Check all objects on space, not just those below
1892	* object being inserted. insert_ob_in_map may not put new objects	1716	* object being inserted. insert_ob_in_map may not put new objects
1893	* on top.	1717	* on top.
1894	*/	1718	*/
1895
1896	int	1719	int
1897	check_move_on (object *op, object *originator)	1720	check_move_on (object *op, object *originator)
1898	{	1721	{
1899	object *	1722	object *tmp;
1900	tmp;	1723	maptile *m = op->map;
1901	tag_t
1902	tag;
1903	mapstruct *
1904	m = op->map;
1905	int
1906	x = op->x, y = op->y;	1724	int x = op->x, y = op->y;
1907		1725
1908	MoveType	1726	MoveType move_on, move_slow, move_block;
1909	move_on,
1910	move_slow,
1911	move_block;
1912		1727
1913	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1728	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1914	return 0;	1729	return 0;
1915
1916	tag = op->count;
1917		1730
1918	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1731	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
1919	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1732	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
1920	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1733	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1921		1734
…		…
1937		1750
1938	/* The objects have to be checked from top to bottom.	1751	/* The objects have to be checked from top to bottom.
1939	* Hence, we first go to the top:	1752	* Hence, we first go to the top:
1940	*/	1753	*/
1941		1754
1942	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1755	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1943	{	1756	{
1944	/* Trim the search when we find the first other spell effect	1757	/* Trim the search when we find the first other spell effect
1945	* this helps performance so that if a space has 50 spell objects,	1758	* this helps performance so that if a space has 50 spell objects,
1946	* we don't need to check all of them.	1759	* we don't need to check all of them.
1947	*/	1760	*/
…		…
1965	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1778	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1966	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1779	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1967	{	1780	{
1968		1781
1969	float	1782	float
1970	diff = tmp->move_slow_penalty * FABS (op->speed);	1783	diff = tmp->move_slow_penalty * fabs (op->speed);
1971		1784
1972	if (op->type == PLAYER)	1785	if (op->type == PLAYER)
1973	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1786	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1974	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1787	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1975	diff /= 4.0;	1788	diff /= 4.0;
…		…
1982	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1795	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1983	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1796	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1984	{	1797	{
1985	move_apply (tmp, op, originator);	1798	move_apply (tmp, op, originator);
1986		1799
1987	if (was_destroyed (op, tag))	1800	if (op->destroyed ())
1988	return 1;	1801	return 1;
1989		1802
1990	/* what the person/creature stepped onto has moved the object	1803	/* what the person/creature stepped onto has moved the object
1991	* someplace new. Don't process any further - if we did,	1804	* someplace new. Don't process any further - if we did,
1992	* have a feeling strange problems would result.	1805	* have a feeling strange problems would result.
…		…
2002	/*	1815	/*
2003	* present_arch(arch, map, x, y) searches for any objects with	1816	* present_arch(arch, map, x, y) searches for any objects with
2004	* a matching archetype at the given map and coordinates.	1817	* a matching archetype at the given map and coordinates.
2005	* The first matching object is returned, or NULL if none.	1818	* The first matching object is returned, or NULL if none.
2006	*/	1819	*/
2007
2008	object *	1820	object *
2009	present_arch (const archetype *at, mapstruct *m, int x, int y)	1821	present_arch (const archetype *at, maptile *m, int x, int y)
2010	{	1822	{
2011	object *
2012	tmp;
2013
2014	if (m == NULL || out_of_map (m, x, y))	1823	if (!m || out_of_map (m, x, y))
2015	{	1824	{
2016	LOG (llevError, "Present_arch called outside map.\n");	1825	LOG (llevError, "Present_arch called outside map.\n");
2017	return NULL;	1826	return NULL;
2018	}	1827	}
2019	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1828
		1829	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2020	if (tmp->arch == at)	1830	if (tmp->arch == at)
2021	return tmp;	1831	return tmp;
		1832
2022	return NULL;	1833	return NULL;
2023	}	1834	}
2024		1835
2025	/*	1836	/*
2026	* present(type, map, x, y) searches for any objects with	1837	* present(type, map, x, y) searches for any objects with
2027	* a matching type variable at the given map and coordinates.	1838	* a matching type variable at the given map and coordinates.
2028	* The first matching object is returned, or NULL if none.	1839	* The first matching object is returned, or NULL if none.
2029	*/	1840	*/
2030
2031	object *	1841	object *
2032	present (unsigned char type, mapstruct *m, int x, int y)	1842	present (unsigned char type, maptile *m, int x, int y)
2033	{	1843	{
2034	object *
2035	tmp;
2036
2037	if (out_of_map (m, x, y))	1844	if (out_of_map (m, x, y))
2038	{	1845	{
2039	LOG (llevError, "Present called outside map.\n");	1846	LOG (llevError, "Present called outside map.\n");
2040	return NULL;	1847	return NULL;
2041	}	1848	}
2042	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1849
		1850	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2043	if (tmp->type == type)	1851	if (tmp->type == type)
2044	return tmp;	1852	return tmp;
		1853
2045	return NULL;	1854	return NULL;
2046	}	1855	}
2047		1856
2048	/*	1857	/*
2049	* present_in_ob(type, object) searches for any objects with	1858	* present_in_ob(type, object) searches for any objects with
2050	* a matching type variable in the inventory of the given object.	1859	* a matching type variable in the inventory of the given object.
2051	* The first matching object is returned, or NULL if none.	1860	* The first matching object is returned, or NULL if none.
2052	*/	1861	*/
2053
2054	object *	1862	object *
2055	present_in_ob (unsigned char type, const object *op)	1863	present_in_ob (unsigned char type, const object *op)
2056	{	1864	{
2057	object *
2058	tmp;
2059
2060	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1865	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2061	if (tmp->type == type)	1866	if (tmp->type == type)
2062	return tmp;	1867	return tmp;
		1868
2063	return NULL;	1869	return NULL;
2064	}	1870	}
2065		1871
2066	/*	1872	/*
2067	* present_in_ob (type, str, object) searches for any objects with	1873	* present_in_ob (type, str, object) searches for any objects with
…		…
2075	* str is the string to match against. Note that we match against	1881	* str is the string to match against. Note that we match against
2076	* the object name, not the archetype name. this is so that the	1882	* the object name, not the archetype name. this is so that the
2077	* spell code can use one object type (force), but change it's name	1883	* spell code can use one object type (force), but change it's name
2078	* to be unique.	1884	* to be unique.
2079	*/	1885	*/
2080
2081	object *	1886	object *
2082	present_in_ob_by_name (int type, const char *str, const object *op)	1887	present_in_ob_by_name (int type, const char *str, const object *op)
2083	{	1888	{
2084	object *
2085	tmp;
2086
2087	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1889	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2088	{
2089	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1890	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2090	return tmp;	1891	return tmp;
2091	}	1892
2092	return NULL;	1893	return 0;
2093	}	1894	}
2094		1895
2095	/*	1896	/*
2096	* present_arch_in_ob(archetype, object) searches for any objects with	1897	* present_arch_in_ob(archetype, object) searches for any objects with
2097	* a matching archetype in the inventory of the given object.	1898	* a matching archetype in the inventory of the given object.
2098	* The first matching object is returned, or NULL if none.	1899	* The first matching object is returned, or NULL if none.
2099	*/	1900	*/
2100
2101	object *	1901	object *
2102	present_arch_in_ob (const archetype *at, const object *op)	1902	present_arch_in_ob (const archetype *at, const object *op)
2103	{	1903	{
2104	object *
2105	tmp;
2106
2107	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1904	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2108	if (tmp->arch == at)	1905	if (tmp->arch == at)
2109	return tmp;	1906	return tmp;
		1907
2110	return NULL;	1908	return NULL;
2111	}	1909	}
2112		1910
2113	/*	1911	/*
2114	* activate recursively a flag on an object inventory	1912	* activate recursively a flag on an object inventory
2115	*/	1913	*/
2116	void	1914	void
2117	flag_inv (object *op, int flag)	1915	flag_inv (object *op, int flag)
2118	{	1916	{
2119	object *
2120	tmp;
2121
2122	if (op->inv)
2123	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1917	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2124	{	1918	{
2125	SET_FLAG (tmp, flag);	1919	SET_FLAG (tmp, flag);
2126	flag_inv (tmp, flag);	1920	flag_inv (tmp, flag);
2127	}	1921	}
2128	} /*	1922	}
		1923
		1924	/*
2129	* desactivate recursively a flag on an object inventory	1925	* deactivate recursively a flag on an object inventory
2130	*/	1926	*/
2131	void	1927	void
2132	unflag_inv (object *op, int flag)	1928	unflag_inv (object *op, int flag)
2133	{	1929	{
2134	object *
2135	tmp;
2136
2137	if (op->inv)
2138	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1930	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2139	{	1931	{
2140	CLEAR_FLAG (tmp, flag);	1932	CLEAR_FLAG (tmp, flag);
2141	unflag_inv (tmp, flag);	1933	unflag_inv (tmp, flag);
2142	}	1934	}
2143	}
2144
2145	/*
2146	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2147	* all it's inventory (recursively).
2148	* If checksums are used, a player will get set_cheat called for
2149	* him/her-self and all object carried by a call to this function.
2150	*/
2151
2152	void
2153	set_cheat (object *op)
2154	{
2155	SET_FLAG (op, FLAG_WAS_WIZ);
2156	flag_inv (op, FLAG_WAS_WIZ);
2157	}	1935	}
2158		1936
2159	/*	1937	/*
2160	* find_free_spot(object, map, x, y, start, stop) will search for	1938	* find_free_spot(object, map, x, y, start, stop) will search for
2161	* a spot at the given map and coordinates which will be able to contain	1939	* a spot at the given map and coordinates which will be able to contain
…		…
2163	* to search (see the freearr_x/y[] definition).	1941	* to search (see the freearr_x/y[] definition).
2164	* It returns a random choice among the alternatives found.	1942	* It returns a random choice among the alternatives found.
2165	* start and stop are where to start relative to the free_arr array (1,9	1943	* start and stop are where to start relative to the free_arr array (1,9
2166	* does all 4 immediate directions). This returns the index into the	1944	* does all 4 immediate directions). This returns the index into the
2167	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1945	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2168	* Note - this only checks to see if there is space for the head of the
2169	* object - if it is a multispace object, this should be called for all
2170	* pieces.
2171	* Note2: This function does correctly handle tiled maps, but does not	1946	* Note: This function does correctly handle tiled maps, but does not
2172	* inform the caller. However, insert_ob_in_map will update as	1947	* inform the caller. However, insert_ob_in_map will update as
2173	* necessary, so the caller shouldn't need to do any special work.	1948	* necessary, so the caller shouldn't need to do any special work.
2174	* Note - updated to take an object instead of archetype - this is necessary	1949	* Note - updated to take an object instead of archetype - this is necessary
2175	* because arch_blocked (now ob_blocked) needs to know the movement type	1950	* because arch_blocked (now ob_blocked) needs to know the movement type
2176	* to know if the space in question will block the object. We can't use	1951	* to know if the space in question will block the object. We can't use
2177	* the archetype because that isn't correct if the monster has been	1952	* the archetype because that isn't correct if the monster has been
2178	* customized, changed states, etc.	1953	* customized, changed states, etc.
2179	*/	1954	*/
2180
2181	int	1955	int
2182	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	1956	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2183	{	1957	{
2184	int
2185	i,
2186	index = 0, flag;
2187	static int
2188	altern[SIZEOFFREE];	1958	int altern[SIZEOFFREE];
		1959	int index = 0, flag;
2189		1960
2190	for (i = start; i < stop; i++)	1961	for (int i = start; i < stop; i++)
2191	{	1962	{
2192	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1963	mapxy pos (m, x, y); pos.move (i);
2193	if (!flag)	1964
		1965	if (!pos.normalise ())
		1966	continue;
		1967
		1968	mapspace &ms = *pos;
		1969
		1970	if (ms.flags () & P_IS_ALIVE)
		1971	continue;
		1972
		1973	/* However, often
		1974	* ob doesn't have any move type (when used to place exits)
		1975	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1976	*/
		1977	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1978	{
2194	altern[index++] = i;	1979	altern [index++] = i;
		1980	continue;
		1981	}
2195		1982
2196	/* Basically, if we find a wall on a space, we cut down the search size.	1983	/* Basically, if we find a wall on a space, we cut down the search size.
2197	* In this way, we won't return spaces that are on another side of a wall.	1984	* In this way, we won't return spaces that are on another side of a wall.
2198	* This mostly work, but it cuts down the search size in all directions -	1985	* This mostly work, but it cuts down the search size in all directions -
2199	* if the space being examined only has a wall to the north and empty	1986	* if the space being examined only has a wall to the north and empty
2200	* spaces in all the other directions, this will reduce the search space	1987	* spaces in all the other directions, this will reduce the search space
2201	* to only the spaces immediately surrounding the target area, and	1988	* to only the spaces immediately surrounding the target area, and
2202	* won't look 2 spaces south of the target space.	1989	* won't look 2 spaces south of the target space.
2203	*/	1990	*/
2204	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	1991	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1992	{
2205	stop = maxfree[i];	1993	stop = maxfree[i];
		1994	continue;
		1995	}
		1996
		1997	/* Note it is intentional that we check ob - the movement type of the
		1998	* head of the object should correspond for the entire object.
		1999	*/
		2000	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2001	continue;
		2002
		2003	if (ob->blocked (m, pos.x, pos.y))
		2004	continue;
		2005
		2006	altern [index++] = i;
2206	}	2007	}
		2008
2207	if (!index)	2009	if (!index)
2208	return -1;	2010	return -1;
		2011
2209	return altern[RANDOM () % index];	2012	return altern [rndm (index)];
2210	}	2013	}
2211		2014
2212	/*	2015	/*
2213	* find_first_free_spot(archetype, mapstruct, x, y) works like	2016	* find_first_free_spot(archetype, maptile, x, y) works like
2214	* find_free_spot(), but it will search max number of squares.	2017	* find_free_spot(), but it will search max number of squares.
2215	* But it will return the first available spot, not a random choice.	2018	* But it will return the first available spot, not a random choice.
2216	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2019	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2217	*/	2020	*/
2218
2219	int	2021	int
2220	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2022	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2221	{	2023	{
2222	int
2223	i;
2224
2225	for (i = 0; i < SIZEOFFREE; i++)	2024	for (int i = 0; i < SIZEOFFREE; i++)
2226	{
2227	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2025	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2228	return i;	2026	return i;
2229	}	2027
2230	return -1;	2028	return -1;
2231	}	2029	}
2232		2030
2233	/*	2031	/*
2234	* The function permute(arr, begin, end) randomly reorders the array	2032	* The function permute(arr, begin, end) randomly reorders the array
2235	* arr[begin..end-1].	2033	* arr[begin..end-1].
		2034	* now uses a fisher-yates shuffle, old permute was broken
2236	*/	2035	*/
2237	static void	2036	static void
2238	permute (int *arr, int begin, int end)	2037	permute (int *arr, int begin, int end)
2239	{	2038	{
2240	int	2039	arr += begin;
2241	i,
2242	j,
2243	tmp,
2244	len;
2245
2246	len = end - begin;	2040	end -= begin;
2247	for (i = begin; i < end; i++)
2248	{
2249	j = begin + RANDOM () % len;
2250		2041
2251	tmp = arr[i];	2042	while (--end)
2252	arr[i] = arr[j];	2043	swap (arr [end], arr [rndm (end + 1)]);
2253	arr[j] = tmp;
2254	}
2255	}	2044	}
2256		2045
2257	/* new function to make monster searching more efficient, and effective!	2046	/* new function to make monster searching more efficient, and effective!
2258	* This basically returns a randomized array (in the passed pointer) of	2047	* This basically returns a randomized array (in the passed pointer) of
2259	* the spaces to find monsters. In this way, it won't always look for	2048	* the spaces to find monsters. In this way, it won't always look for
…		…
2262	* the 3x3 area will be searched, just not in a predictable order.	2051	* the 3x3 area will be searched, just not in a predictable order.
2263	*/	2052	*/
2264	void	2053	void
2265	get_search_arr (int *search_arr)	2054	get_search_arr (int *search_arr)
2266	{	2055	{
2267	int	2056	int i;
2268	i;
2269		2057
2270	for (i = 0; i < SIZEOFFREE; i++)	2058	for (i = 0; i < SIZEOFFREE; i++)
2271	{
2272	search_arr[i] = i;	2059	search_arr[i] = i;
2273	}
2274		2060
2275	permute (search_arr, 1, SIZEOFFREE1 + 1);	2061	permute (search_arr, 1, SIZEOFFREE1 + 1);
2276	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2062	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2277	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2063	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2278	}	2064	}
…		…
2287	* Perhaps incorrectly, but I'm making the assumption that exclude	2073	* Perhaps incorrectly, but I'm making the assumption that exclude
2288	* is actually want is going to try and move there. We need this info	2074	* is actually want is going to try and move there. We need this info
2289	* because we have to know what movement the thing looking to move	2075	* because we have to know what movement the thing looking to move
2290	* there is capable of.	2076	* there is capable of.
2291	*/	2077	*/
2292
2293	int	2078	int
2294	find_dir (mapstruct *m, int x, int y, object *exclude)	2079	find_dir (maptile *m, int x, int y, object *exclude)
2295	{	2080	{
2296	int
2297	i,
2298	max = SIZEOFFREE, mflags;	2081	int i, max = SIZEOFFREE, mflags;
2299		2082
2300	sint16 nx, ny;	2083	sint16 nx, ny;
2301	object *	2084	object *tmp;
2302	tmp;	2085	maptile *mp;
2303	mapstruct *
2304	mp;
2305		2086
2306	MoveType blocked, move_type;	2087	MoveType blocked, move_type;
2307		2088
2308	if (exclude && exclude->head)	2089	if (exclude && exclude->head_ () != exclude)
2309	{	2090	{
2310	exclude = exclude->head;	2091	exclude = exclude->head;
2311	move_type = exclude->move_type;	2092	move_type = exclude->move_type;
2312	}	2093	}
2313	else	2094	else
…		…
2321	mp = m;	2102	mp = m;
2322	nx = x + freearr_x[i];	2103	nx = x + freearr_x[i];
2323	ny = y + freearr_y[i];	2104	ny = y + freearr_y[i];
2324		2105
2325	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2106	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2107
2326	if (mflags & P_OUT_OF_MAP)	2108	if (mflags & P_OUT_OF_MAP)
2327	{
2328	max = maxfree[i];	2109	max = maxfree[i];
2329	}
2330	else	2110	else
2331	{	2111	{
2332	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2112	mapspace &ms = mp->at (nx, ny);
		2113
		2114	blocked = ms.move_block;
2333		2115
2334	if ((move_type & blocked) == move_type)	2116	if ((move_type & blocked) == move_type)
2335	{
2336	max = maxfree[i];	2117	max = maxfree[i];
2337	}
2338	else if (mflags & P_IS_ALIVE)	2118	else if (mflags & P_IS_ALIVE)
2339	{	2119	{
2340	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2120	for (tmp = ms.bot; tmp; tmp = tmp->above)
2341	{	2121	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2342	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2122	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2343	{
2344	break;	2123	break;
2345	}	2124
2346	}
2347	if (tmp)	2125	if (tmp)
2348	{
2349	return freedir[i];	2126	return freedir[i];
2350	}
2351	}	2127	}
2352	}	2128	}
2353	}	2129	}
		2130
2354	return 0;	2131	return 0;
2355	}	2132	}
2356		2133
2357	/*	2134	/*
2358	* distance(object 1, object 2) will return the square of the	2135	* distance(object 1, object 2) will return the square of the
2359	* distance between the two given objects.	2136	* distance between the two given objects.
2360	*/	2137	*/
2361
2362	int	2138	int
2363	distance (const object *ob1, const object *ob2)	2139	distance (const object *ob1, const object *ob2)
2364	{	2140	{
2365	int
2366	i;
2367
2368	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2141	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2369	return i;
2370	}	2142	}
2371		2143
2372	/*	2144	/*
2373	* find_dir_2(delta-x,delta-y) will return a direction in which	2145	* find_dir_2(delta-x,delta-y) will return a direction in which
2374	* an object which has subtracted the x and y coordinates of another	2146	* an object which has subtracted the x and y coordinates of another
2375	* object, needs to travel toward it.	2147	* object, needs to travel toward it.
2376	*/	2148	*/
2377
2378	int	2149	int
2379	find_dir_2 (int x, int y)	2150	find_dir_2 (int x, int y)
2380	{	2151	{
2381	int	2152	int q;
2382	q;
2383		2153
2384	if (y)	2154	if (y)
2385	q = x * 100 / y;	2155	q = x * 100 / y;
2386	else if (x)	2156	else if (x)
2387	q = -300 * x;	2157	q = -300 * x;
…		…
2412		2182
2413	return 3;	2183	return 3;
2414	}	2184	}
2415		2185
2416	/*	2186	/*
2417	* absdir(int): Returns a number between 1 and 8, which represent
2418	* the "absolute" direction of a number (it actually takes care of
2419	* "overflow" in previous calculations of a direction).
2420	*/
2421
2422	int
2423	absdir (int d)
2424	{
2425	while (d < 1)
2426	d += 8;
2427	while (d > 8)
2428	d -= 8;
2429	return d;
2430	}
2431
2432	/*
2433	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2187	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2434	* between two directions (which are expected to be absolute (see absdir())	2188	* between two directions (which are expected to be absolute (see absdir())
2435	*/	2189	*/
2436
2437	int	2190	int
2438	dirdiff (int dir1, int dir2)	2191	dirdiff (int dir1, int dir2)
2439	{	2192	{
2440	int	2193	int d;
2441	d;
2442		2194
2443	d = abs (dir1 - dir2);	2195	d = abs (dir1 - dir2);
2444	if (d > 4)	2196	if (d > 4)
2445	d = 8 - d;	2197	d = 8 - d;
		2198
2446	return d;	2199	return d;
2447	}	2200	}
2448		2201
2449	/* peterm:	2202	/* peterm:
2450	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2203	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2453	* This basically means that if direction is 15, then it could either go	2206	* This basically means that if direction is 15, then it could either go
2454	* direction 4, 14, or 16 to get back to where we are.	2207	* direction 4, 14, or 16 to get back to where we are.
2455	* Moved from spell_util.c to object.c with the other related direction	2208	* Moved from spell_util.c to object.c with the other related direction
2456	* functions.	2209	* functions.
2457	*/	2210	*/
2458
2459	int
2460	reduction_dir[SIZEOFFREE][3] = {	2211	int reduction_dir[SIZEOFFREE][3] = {
2461	{0, 0, 0}, /* 0 */	2212	{0, 0, 0}, /* 0 */
2462	{0, 0, 0}, /* 1 */	2213	{0, 0, 0}, /* 1 */
2463	{0, 0, 0}, /* 2 */	2214	{0, 0, 0}, /* 2 */
2464	{0, 0, 0}, /* 3 */	2215	{0, 0, 0}, /* 3 */
2465	{0, 0, 0}, /* 4 */	2216	{0, 0, 0}, /* 4 */
…		…
2513	* find a path to that monster that we found. If not,	2264	* find a path to that monster that we found. If not,
2514	* we don't bother going toward it. Returns 1 if we	2265	* we don't bother going toward it. Returns 1 if we
2515	* can see a direct way to get it	2266	* can see a direct way to get it
2516	* Modified to be map tile aware -.MSW	2267	* Modified to be map tile aware -.MSW
2517	*/	2268	*/
2518
2519
2520	int	2269	int
2521	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2270	can_see_monsterP (maptile *m, int x, int y, int dir)
2522	{	2271	{
2523	sint16 dx, dy;	2272	sint16 dx, dy;
2524	int
2525	mflags;	2273	int mflags;
2526		2274
2527	if (dir < 0)	2275	if (dir < 0)
2528	return 0; /* exit condition: invalid direction */	2276	return 0; /* exit condition: invalid direction */
2529		2277
2530	dx = x + freearr_x[dir];	2278	dx = x + freearr_x[dir];
…		…
2543	return 0;	2291	return 0;
2544		2292
2545	/* yes, can see. */	2293	/* yes, can see. */
2546	if (dir < 9)	2294	if (dir < 9)
2547	return 1;	2295	return 1;
		2296
2548	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2297	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2549	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2298	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2299	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2550	}	2300	}
2551
2552
2553		2301
2554	/*	2302	/*
2555	* can_pick(picker, item): finds out if an object is possible to be	2303	* can_pick(picker, item): finds out if an object is possible to be
2556	* picked up by the picker. Returnes 1 if it can be	2304	* picked up by the picker. Returnes 1 if it can be
2557	* picked up, otherwise 0.	2305	* picked up, otherwise 0.
…		…
2559	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2307	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2560	* core dumps if they do.	2308	* core dumps if they do.
2561	*	2309	*
2562	* Add a check so we can't pick up invisible objects (0.93.8)	2310	* Add a check so we can't pick up invisible objects (0.93.8)
2563	*/	2311	*/
2564
2565	int	2312	int
2566	can_pick (const object *who, const object *item)	2313	can_pick (const object *who, const object *item)
2567	{	2314	{
2568	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2315	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2569	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2316	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2570	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2317	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2571	}	2318	}
2572		2319
2573
2574	/*	2320	/*
2575	* create clone from object to another	2321	* create clone from object to another
2576	*/	2322	*/
2577	object *	2323	object *
2578	object_create_clone (object *asrc)	2324	object_create_clone (object *asrc)
2579	{	2325	{
2580	object *
2581	dst = NULL, *tmp, *src, *part, *prev, *item;	2326	object *dst = 0, *tmp, *src, *prev, *item;
2582		2327
2583	if (!asrc)	2328	if (!asrc)
2584	return NULL;	2329	return 0;
2585	src = asrc;	2330
2586	if (src->head)
2587	src = src->head;	2331	src = asrc->head_ ();
2588		2332
2589	prev = NULL;	2333	prev = 0;
2590	for (part = src; part; part = part->more)	2334	for (object *part = src; part; part = part->more)
2591	{	2335	{
2592	tmp = get_object ();	2336	tmp = part->clone ();
2593	copy_object (part, tmp);
2594	tmp->x -= src->x;	2337	tmp->x -= src->x;
2595	tmp->y -= src->y;	2338	tmp->y -= src->y;
		2339
2596	if (!part->head)	2340	if (!part->head)
2597	{	2341	{
2598	dst = tmp;	2342	dst = tmp;
2599	tmp->head = NULL;	2343	tmp->head = 0;
2600	}	2344	}
2601	else	2345	else
2602	{
2603	tmp->head = dst;	2346	tmp->head = dst;
2604	}	2347
2605	tmp->more = NULL;	2348	tmp->more = 0;
		2349
2606	if (prev)	2350	if (prev)
2607	prev->more = tmp;	2351	prev->more = tmp;
		2352
2608	prev = tmp;	2353	prev = tmp;
2609	}	2354	}
2610		2355
2611	/*** copy inventory ***/
2612	for (item = src->inv; item; item = item->below)	2356	for (item = src->inv; item; item = item->below)
2613	{
2614	(void) insert_ob_in_ob (object_create_clone (item), dst);	2357	insert_ob_in_ob (object_create_clone (item), dst);
2615	}
2616		2358
2617	return dst;	2359	return dst;
2618	}
2619
2620	/* return true if the object was destroyed, 0 otherwise */
2621	int
2622	was_destroyed (const object *op, tag_t old_tag)
2623	{
2624	/* checking for FLAG_FREED isn't necessary, but makes this function more
2625	* robust */
2626	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2627	}
2628
2629	/* GROS - Creates an object using a string representing its content. */
2630
2631	/* Basically, we save the content of the string to a temp file, then call */
2632
2633	/* load_object on it. I admit it is a highly inefficient way to make things, */
2634
2635	/* but it was simple to make and allows reusing the load_object function. */
2636
2637	/* Remember not to use load_object_str in a time-critical situation. */
2638
2639	/* Also remember that multiparts objects are not supported for now. */
2640
2641	object *
2642	load_object_str (const char *obstr)
2643	{
2644	object *
2645	op;
2646	char
2647	filename[MAX_BUF];
2648
2649	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2650
2651	FILE *
2652	tempfile = fopen (filename, "w");
2653
2654	if (tempfile == NULL)
2655	{
2656	LOG (llevError, "Error - Unable to access load object temp file\n");
2657	return NULL;
2658	};
2659	fprintf (tempfile, obstr);
2660	fclose (tempfile);
2661
2662	op = get_object ();
2663
2664	object_thawer thawer (filename);
2665
2666	if (thawer)
2667	load_object (thawer, op, 0);
2668
2669	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2670	CLEAR_FLAG (op, FLAG_REMOVED);
2671
2672	return op;
2673	}	2360	}
2674		2361
2675	/* This returns the first object in who's inventory that	2362	/* This returns the first object in who's inventory that
2676	* has the same type and subtype match.	2363	* has the same type and subtype match.
2677	* returns NULL if no match.	2364	* returns NULL if no match.
2678	*/	2365	*/
2679	object *	2366	object *
2680	find_obj_by_type_subtype (const object *who, int type, int subtype)	2367	find_obj_by_type_subtype (const object *who, int type, int subtype)
2681	{	2368	{
2682	object *
2683	tmp;
2684
2685	for (tmp = who->inv; tmp; tmp = tmp->below)	2369	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2686	if (tmp->type == type && tmp->subtype == subtype)	2370	if (tmp->type == type && tmp->subtype == subtype)
2687	return tmp;	2371	return tmp;
2688		2372
2689	return NULL;	2373	return 0;
2690	}	2374	}
2691		2375
2692	/* If ob has a field named key, return the link from the list,	2376	/* If ob has a field named key, return the link from the list,
2693	* otherwise return NULL.	2377	* otherwise return NULL.
2694	*	2378	*
…		…
2696	* do the desired thing.	2380	* do the desired thing.
2697	*/	2381	*/
2698	key_value *	2382	key_value *
2699	get_ob_key_link (const object *ob, const char *key)	2383	get_ob_key_link (const object *ob, const char *key)
2700	{	2384	{
2701	key_value *
2702	link;
2703
2704	for (link = ob->key_values; link != NULL; link = link->next)	2385	for (key_value *link = ob->key_values; link; link = link->next)
2705	{
2706	if (link->key == key)	2386	if (link->key == key)
2707	{
2708	return link;	2387	return link;
2709	}
2710	}
2711		2388
2712	return NULL;	2389	return 0;
2713	}	2390	}
2714		2391
2715	/*	2392	/*
2716	* Returns the value of op has an extra_field for key, or NULL.	2393	* Returns the value of op has an extra_field for key, or NULL.
2717	*	2394	*
…		…
2720	* The returned string is shared.	2397	* The returned string is shared.
2721	*/	2398	*/
2722	const char *	2399	const char *
2723	get_ob_key_value (const object *op, const char *const key)	2400	get_ob_key_value (const object *op, const char *const key)
2724	{	2401	{
2725	key_value *	2402	key_value *link;
2726	link;	2403	shstr_cmp canonical_key (key);
2727	const char *
2728	canonical_key;
2729		2404
2730	canonical_key = shstr::find (key);
2731
2732	if (canonical_key == NULL)	2405	if (!canonical_key)
2733	{	2406	{
2734	/* 1. There being a field named key on any object	2407	/* 1. There being a field named key on any object
2735	* implies there'd be a shared string to find.	2408	* implies there'd be a shared string to find.
2736	* 2. Since there isn't, no object has this field.	2409	* 2. Since there isn't, no object has this field.
2737	* 3. Therefore, *this* object doesn't have this field.	2410	* 3. Therefore, *this* object doesn't have this field.
2738	*/	2411	*/
2739	return NULL;	2412	return 0;
2740	}	2413	}
2741		2414
2742	/* This is copied from get_ob_key_link() above -	2415	/* This is copied from get_ob_key_link() above -
2743	* only 4 lines, and saves the function call overhead.	2416	* only 4 lines, and saves the function call overhead.
2744	*/	2417	*/
2745	for (link = op->key_values; link != NULL; link = link->next)	2418	for (link = op->key_values; link; link = link->next)
2746	{
2747	if (link->key == canonical_key)	2419	if (link->key == canonical_key)
2748	{
2749	return link->value;	2420	return link->value;
2750	}	2421
2751	}
2752	return NULL;	2422	return 0;
2753	}	2423	}
2754
2755		2424
2756	/*	2425	/*
2757	* Updates the canonical_key in op to value.	2426	* Updates the canonical_key in op to value.
2758	*	2427	*
2759	* canonical_key is a shared string (value doesn't have to be).	2428	* canonical_key is a shared string (value doesn't have to be).
…		…
2764	* Returns TRUE on success.	2433	* Returns TRUE on success.
2765	*/	2434	*/
2766	int	2435	int
2767	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2436	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2768	{	2437	{
2769	key_value *
2770	field = NULL, *last = NULL;	2438	key_value *field = NULL, *last = NULL;
2771		2439
2772	for (field = op->key_values; field != NULL; field = field->next)	2440	for (field = op->key_values; field != NULL; field = field->next)
2773	{	2441	{
2774	if (field->key != canonical_key)	2442	if (field->key != canonical_key)
2775	{	2443	{
…		…
2784	/* Basically, if the archetype has this key set,	2452	/* Basically, if the archetype has this key set,
2785	* we need to store the null value so when we save	2453	* we need to store the null value so when we save
2786	* it, we save the empty value so that when we load,	2454	* it, we save the empty value so that when we load,
2787	* we get this value back again.	2455	* we get this value back again.
2788	*/	2456	*/
2789	if (get_ob_key_link (&op->arch->clone, canonical_key))	2457	if (get_ob_key_link (op->arch, canonical_key))
2790	field->value = 0;	2458	field->value = 0;
2791	else	2459	else
2792	{	2460	{
2793	if (last)	2461	if (last)
2794	last->next = field->next;	2462	last->next = field->next;
…		…
2803	/* IF we get here, key doesn't exist */	2471	/* IF we get here, key doesn't exist */
2804		2472
2805	/* No field, we'll have to add it. */	2473	/* No field, we'll have to add it. */
2806		2474
2807	if (!add_key)	2475	if (!add_key)
2808	{
2809	return FALSE;	2476	return FALSE;
2810	}	2477
2811	/* There isn't any good reason to store a null	2478	/* There isn't any good reason to store a null
2812	* value in the key/value list. If the archetype has	2479	* value in the key/value list. If the archetype has
2813	* this key, then we should also have it, so shouldn't	2480	* this key, then we should also have it, so shouldn't
2814	* be here. If user wants to store empty strings,	2481	* be here. If user wants to store empty strings,
2815	* should pass in ""	2482	* should pass in ""
…		…
2864	}	2531	}
2865	else	2532	else
2866	item = item->env;	2533	item = item->env;
2867	}	2534	}
2868		2535
		2536	const char *
		2537	object::flag_desc (char *desc, int len) const
		2538	{
		2539	char *p = desc;
		2540	bool first = true;
		2541
		2542	*p = 0;
		2543
		2544	for (int i = 0; i < NUM_FLAGS; i++)
		2545	{
		2546	if (len <= 10) // magic constant!
		2547	{
		2548	snprintf (p, len, ",...");
		2549	break;
		2550	}
		2551
		2552	if (flag [i])
		2553	{
		2554	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2555	len -= cnt;
		2556	p += cnt;
		2557	first = false;
		2558	}
		2559	}
		2560
		2561	return desc;
		2562	}
		2563
		2564	// return a suitable string describing an object in enough detail to find it
		2565	const char *
		2566	object::debug_desc (char *info) const
		2567	{
		2568	char flagdesc[512];
		2569	char info2[256 * 4];
		2570	char *p = info;
		2571
		2572	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
		2573	count,
		2574	uuid.c_str (),
		2575	&name,
		2576	title ? "\",title:\"" : "",
		2577	title ? (const char *)title : "",
		2578	flag_desc (flagdesc, 512), type);
		2579
		2580	if (!flag[FLAG_REMOVED] && env)
		2581	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2582
		2583	if (map)
		2584	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
		2585
		2586	return info;
		2587	}
		2588
		2589	const char *
		2590	object::debug_desc () const
		2591	{
		2592	static char info[3][256 * 4];
		2593	static int info_idx;
		2594
		2595	return debug_desc (info [++info_idx % 3]);
		2596	}
		2597
		2598	struct region *
		2599	object::region () const
		2600	{
		2601	return map ? map->region (x, y)
		2602	: region::default_region ();
		2603	}
		2604
		2605	const materialtype_t *
		2606	object::dominant_material () const
		2607	{
		2608	if (materialtype_t *mt = name_to_material (materialname))
		2609	return mt;
		2610
		2611	return name_to_material (shstr_unknown);
		2612	}
		2613
		2614	void
		2615	object::open_container (object *new_container)
		2616	{
		2617	if (container == new_container)
		2618	return;
		2619
		2620	if (object *old_container = container)
		2621	{
		2622	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2623	return;
		2624
		2625	#if 0
		2626	// remove the "Close old_container" object.
		2627	if (object *closer = old_container->inv)
		2628	if (closer->type == CLOSE_CON)
		2629	closer->destroy ();
		2630	#endif
		2631
		2632	old_container->flag [FLAG_APPLIED] = false;
		2633	container = 0;
		2634
		2635	esrv_update_item (UPD_FLAGS, this, old_container);
		2636	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2637	play_sound (sound_find ("chest_close"));
		2638	}
		2639
		2640	if (new_container)
		2641	{
		2642	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2643	return;
		2644
		2645	// TODO: this does not seem to serve any purpose anymore?
		2646	#if 0
		2647	// insert the "Close Container" object.
		2648	if (archetype *closer = new_container->other_arch)
		2649	{
		2650	object *closer = arch_to_object (new_container->other_arch);
		2651	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2652	new_container->insert (closer);
		2653	}
		2654	#endif
		2655
		2656	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2657
		2658	new_container->flag [FLAG_APPLIED] = true;
		2659	container = new_container;
		2660
		2661	esrv_update_item (UPD_FLAGS, this, new_container);
		2662	esrv_send_inventory (this, new_container);
		2663	play_sound (sound_find ("chest_open"));
		2664	}
		2665	}
		2666
		2667	object *
		2668	object::force_find (const shstr name)
		2669	{
		2670	/* cycle through his inventory to look for the MARK we want to
		2671	* place
		2672	*/
		2673	for (object *tmp = inv; tmp; tmp = tmp->below)
		2674	if (tmp->type == FORCE && tmp->slaying == name)
		2675	return splay (tmp);
		2676
		2677	return 0;
		2678	}
		2679
		2680	void
		2681	object::force_add (const shstr name, int duration)
		2682	{
		2683	if (object *force = force_find (name))
		2684	force->destroy ();
		2685
		2686	object *force = get_archetype (FORCE_NAME);
		2687
		2688	force->slaying = name;
		2689	force->stats.food = 1;
		2690	force->speed_left = -1.f;
		2691
		2692	force->set_speed (duration ? 1.f / duration : 0.f);
		2693	force->flag [FLAG_IS_USED_UP] = true;
		2694	force->flag [FLAG_APPLIED] = true;
		2695
		2696	insert (force);
		2697	}
		2698
		2699	void
		2700	object::play_sound (faceidx sound)
		2701	{
		2702	if (!sound)
		2703	return;
		2704
		2705	if (flag [FLAG_REMOVED])
		2706	return;
		2707
		2708	if (env)
		2709	{
		2710	if (object *pl = in_player ())
		2711	pl->contr->play_sound (sound);
		2712	}
		2713	else
		2714	map->play_sound (sound, x, y);
		2715	}
		2716

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