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Comparing deliantra/server/common/object.C (file contents):
Revision 1.35 by root, Tue Sep 12 18:15:34 2006 UTC vs.
Revision 1.213 by root, Tue Apr 22 01:18:10 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	// adjust weight per container type ("of holding")
		336	static sint32
		337	weight_adjust (object *op, sint32 weight)
		338	{
		339	return op->type == CONTAINER
		340	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		341	: weight;
		342	}
		343
242	/*	344	/*
		345	* adjust_weight(object, weight) adds the specified weight to an object,
		346	* and also updates how much the environment(s) is/are carrying.
		347	*/
		348	static void
		349	adjust_weight (object *op, sint32 weight)
		350	{
		351	while (op)
		352	{
		353	weight = weight_adjust (op, weight);
		354
		355	if (!weight)
		356	return;
		357
		358	op->carrying += weight;
		359
		360	if (object *pl = op->visible_to ())
		361	esrv_update_item (UPD_WEIGHT, pl, op);
		362
		363	op = op->env;
		364	}
		365	}
		366
		367	/*
243	* sum_weight() is a recursive function which calculates the weight	368	* this is a recursive function which calculates the weight
244	* an object is carrying. It goes through in figures out how much	369	* an object is carrying. It goes through op and figures out how much
245	* containers are carrying, and sums it up.	370	* containers are carrying, and sums it up.
246	*/	371	*/
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	372	void
300	dump_object2 (object *op)	373	object::update_weight ()
301	{	374	{
302	errmsg[0] = 0;	375	sint32 sum = 0;
303	return;
304	//TODO//D#d#
305	#if 0
306	char *cp;
307		376
308	/* object *tmp;*/	377	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	}	378	{
330	else	379	if (op->inv)
		380	op->update_weight ();
		381
		382	sum += op->total_weight ();
331	{	383	}
332	strcat (errmsg, "Object ");	384
333	if (op->name == NULL)	385	sum = weight_adjust (this, sum);
334	strcat (errmsg, "(null)");	386
335	else	387	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	}	388	{
346	#endif	389	carrying = sum;
347	}
348		390
349	/*	391	if (object *pl = visible_to ())
350	* Dumps an object. Returns output in the static global errmsg array.	392	esrv_update_item (UPD_WEIGHT, pl, this);
351	*/	393	}
		394	}
352		395
353	void	396	/*
		397	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
		398	*/
		399	char *
354	dump_object (object *op)	400	dump_object (object *op)
355	{	401	{
356	if (op == NULL)	402	if (!op)
357	{	403	return strdup ("[NULLOBJ]");
358	strcpy (errmsg, "[NULL pointer]");
359	return;
360	}
361	errmsg[0] = '\0';
362	dump_object2 (op);
363	}
364		404
365	void	405	object_freezer freezer;
366	dump_all_objects (void)	406	op->write (freezer);
367	{	407	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	}	408	}
376		409
377	/*	410	/*
378	* get_nearest_part(multi-object, object 2) returns the part of the	411	* get_nearest_part(multi-object, object 2) returns the part of the
379	* multi-object 1 which is closest to the second object.	412	* multi-object 1 which is closest to the second object.
380	* If it's not a multi-object, it is returned.	413	* If it's not a multi-object, it is returned.
381	*/	414	*/
382
383	object *	415	object *
384	get_nearest_part (object *op, const object *pl)	416	get_nearest_part (object *op, const object *pl)
385	{	417	{
386	object *tmp, *closest;	418	object *tmp, *closest;
387	int last_dist, i;	419	int last_dist, i;
388		420
389	if (op->more == NULL)	421	if (!op->more)
390	return op;	422	return op;
		423
391	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	424	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		425	tmp;
		426	tmp = tmp->more)
392	if ((i = distance (tmp, pl)) < last_dist)	427	if ((i = distance (tmp, pl)) < last_dist)
393	closest = tmp, last_dist = i;	428	closest = tmp, last_dist = i;
		429
394	return closest;	430	return closest;
395	}	431	}
396		432
397	/*	433	/*
398	* Returns the object which has the count-variable equal to the argument.	434	* Returns the object which has the count-variable equal to the argument.
		435	* VERRRY slow.
399	*/	436	*/
400
401	object *	437	object *
402	find_object (tag_t i)	438	find_object (tag_t i)
403	{	439	{
404	object *op;	440	for_all_objects (op)
405
406	for (op = objects; op != NULL; op = op->next)
407	if (op->count == i)	441	if (op->count == i)
408	break;
409	return op;	442	return op;
		443
		444	return 0;
410	}	445	}
411		446
412	/*	447	/*
413	* Returns the first object which has a name equal to the argument.	448	* Returns the first object which has a name equal to the argument.
414	* Used only by the patch command, but not all that useful.	449	* Used only by the patch command, but not all that useful.
415	* Enables features like "patch <name-of-other-player> food 999"	450	* Enables features like "patch <name-of-other-player> food 999"
416	*/	451	*/
417
418	object *	452	object *
419	find_object_name (const char *str)	453	find_object_name (const char *str)
420	{	454	{
421	shstr_cmp str_ (str);	455	shstr_cmp str_ (str);
422	object *op;	456	object *op;
423		457
424	for (op = objects; op != NULL; op = op->next)	458	for_all_objects (op)
425	if (op->name == str_)	459	if (op->name == str_)
426	break;	460	break;
427		461
428	return op;	462	return op;
429	}	463	}
430		464
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	}
457
458	/*	465	/*
459	* Sets the owner and sets the skill and exp pointers to owner's current	466	* Sets the owner and sets the skill and exp pointers to owner's current
460	* skill and experience objects.	467	* skill and experience objects.
		468	* ACTUALLY NO! investigate! TODO
461	*/	469	*/
462	void	470	void
463	object::set_owner (object *owner)	471	object::set_owner (object *owner)
464	{	472	{
		473	// allow objects which own objects
465	if (!owner)	474	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)	475	while (owner->owner)
476	owner = owner->owner;	476	owner = owner->owner;
		477
		478	if (flag [FLAG_FREED])
		479	{
		480	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		481	return;
		482	}
477		483
478	this->owner = owner;	484	this->owner = owner;
		485	}
		486
		487	int
		488	object::slottype () const
		489	{
		490	if (type == SKILL)
		491	{
		492	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		493	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		494	}
		495	else
		496	{
		497	if (slot [body_combat].info) return slot_combat;
		498	if (slot [body_range ].info) return slot_ranged;
		499	}
		500
		501	return slot_none;
		502	}
		503
		504	bool
		505	object::change_weapon (object *ob)
		506	{
		507	if (current_weapon == ob)
		508	return true;
		509
		510	if (chosen_skill)
		511	chosen_skill->flag [FLAG_APPLIED] = false;
		512
		513	current_weapon = ob;
		514	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		515
		516	if (chosen_skill)
		517	chosen_skill->flag [FLAG_APPLIED] = true;
		518
		519	update_stats ();
		520
		521	if (ob)
		522	{
		523	// now check wether any body locations became invalid, in which case
		524	// we cannot apply the weapon at the moment.
		525	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		526	if (slot[i].used < 0)
		527	{
		528	current_weapon = chosen_skill = 0;
		529	update_stats ();
		530
		531	new_draw_info_format (NDI_UNIQUE, 0, this,
		532	"You try to balance all your items at once, "
		533	"but the %s is just too much for your body. "
		534	"[You need to unapply some items first.]", &ob->name);
		535	return false;
		536	}
		537
		538	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		539	}
		540	else
		541	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		542
		543	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		544	{
		545	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		546	&name, ob->debug_desc ());
		547	return false;
		548	}
		549
		550	return true;
479	}	551	}
480		552
481	/* Zero the key_values on op, decrementing the shared-string	553	/* Zero the key_values on op, decrementing the shared-string
482	* refcounts and freeing the links.	554	* refcounts and freeing the links.
483	*/	555	*/
484	static void	556	static void
485	free_key_values (object *op)	557	free_key_values (object *op)
486	{	558	{
487	for (key_value *i = op->key_values; i != 0;)	559	for (key_value *i = op->key_values; i; )
488	{	560	{
489	key_value *next = i->next;	561	key_value *next = i->next;
490	delete i;	562	delete i;
491		563
492	i = next;	564	i = next;
493	}	565	}
494		566
495	op->key_values = 0;	567	op->key_values = 0;
496	}	568	}
497		569
498	void object::clear ()	570	object &
		571	object::operator =(const object &src)
499	{	572	{
500	attachable_base::clear ();	573	bool is_freed = flag [FLAG_FREED];
		574	bool is_removed = flag [FLAG_REMOVED];
501		575
502	free_key_values (this);	576	*(object_copy *)this = src;
503		577
504	owner = 0;	578	flag [FLAG_FREED] = is_freed;
505	name = 0;	579	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		580
574	/* Copy over key_values, if any. */	581	/* Copy over key_values, if any. */
575	if (op2->key_values)	582	if (src.key_values)
576	{	583	{
577	key_value *tail = 0;	584	key_value *tail = 0;
578	key_value *i;
579
580	op->key_values = 0;	585	key_values = 0;
581		586
582	for (i = op2->key_values; i; i = i->next)	587	for (key_value *i = src.key_values; i; i = i->next)
583	{	588	{
584	key_value *new_link = new key_value;	589	key_value *new_link = new key_value;
585		590
586	new_link->next = 0;	591	new_link->next = 0;
587	new_link->key = i->key;	592	new_link->key = i->key;
588	new_link->value = i->value;	593	new_link->value = i->value;
589		594
590	/* Try and be clever here, too. */	595	/* Try and be clever here, too. */
591	if (!op->key_values)	596	if (!key_values)
592	{	597	{
593	op->key_values = new_link;	598	key_values = new_link;
594	tail = new_link;	599	tail = new_link;
595	}	600	}
596	else	601	else
597	{	602	{
598	tail->next = new_link;	603	tail->next = new_link;
599	tail = new_link;	604	tail = new_link;
600	}	605	}
601	}	606	}
602	}	607	}
		608	}
603		609
604	update_ob_speed (op);	610	/*
		611	* copy_to first frees everything allocated by the dst object,
		612	* and then copies the contents of itself into the second
		613	* object, allocating what needs to be allocated. Basically, any
		614	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		615	* if the first object is freed, the pointers in the new object
		616	* will point at garbage.
		617	*/
		618	void
		619	object::copy_to (object *dst)
		620	{
		621	*dst = *this;
		622
		623	if (speed < 0)
		624	dst->speed_left -= rndm ();
		625
		626	dst->set_speed (dst->speed);
		627	}
		628
		629	void
		630	object::instantiate ()
		631	{
		632	if (!uuid.seq) // HACK
		633	uuid = UUID::gen ();
		634
		635	speed_left = -0.1f;
		636	/* copy the body_info to the body_used - this is only really
		637	* need for monsters, but doesn't hurt to do it for everything.
		638	* by doing so, when a monster is created, it has good starting
		639	* values for the body_used info, so when items are created
		640	* for it, they can be properly equipped.
		641	*/
		642	for (int i = NUM_BODY_LOCATIONS; i--; )
		643	slot[i].used = slot[i].info;
		644
		645	attachable::instantiate ();
		646	}
		647
		648	object *
		649	object::clone ()
		650	{
		651	object *neu = create ();
		652	copy_to (neu);
		653	return neu;
605	}	654	}
606		655
607	/*	656	/*
608	* If an object with the IS_TURNABLE() flag needs to be turned due	657	* 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	658	* 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.	659	* be called to update the face variable, _and_ how it looks on the map.
611	*/	660	*/
612
613	void	661	void
614	update_turn_face (object *op)	662	update_turn_face (object *op)
615	{	663	{
616	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	664	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
617	return;	665	return;
		666
618	SET_ANIMATION (op, op->direction);	667	SET_ANIMATION (op, op->direction);
619	update_object (op, UP_OBJ_FACE);	668	update_object (op, UP_OBJ_FACE);
620	}	669	}
621		670
622	/*	671	/*
623	* Updates the speed of an object. If the speed changes from 0 to another	672	* 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.	673	* 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.	674	* This function needs to be called whenever the speed of an object changes.
626	*/	675	*/
627	void	676	void
628	update_ob_speed (object *op)	677	object::set_speed (float speed)
629	{	678	{
630	extern int arch_init;	679	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	{	680	{
638	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	681	LOG (llevError, "Object %s is freed but has speed.\n", &name);
639	#ifdef MANY_CORES
640	abort ();
641	#else
642	op->speed = 0;	682	speed = 0;
643	#endif
644	}
645
646	if (arch_init)
647	return;
648
649	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
650	{	683	}
651	/* If already on active list, don't do anything */
652	if (op->active_next || op->active_prev || op == active_objects)
653	return;
654		684
655	/* process_events() expects us to insert the object at the beginning	685	this->speed = speed;
656	* of the list. */
657	op->active_next = active_objects;
658		686
659	if (op->active_next != NULL)	687	if (has_active_speed ())
660	op->active_next->active_prev = op;	688	activate ();
661
662	active_objects = op;
663	}
664	else	689	else
665	{	690	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	}	691	}
689		692
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	/*	693	/*
722	* update_object() updates the array which represents the map.	694	* update_object() updates the the map.
723	* It takes into account invisible objects (and represent squares covered	695	* It takes into account invisible objects (and represent squares covered
724	* by invisible objects by whatever is below them (unless it's another	696	* by invisible objects by whatever is below them (unless it's another
725	* invisible object, etc...)	697	* invisible object, etc...)
726	* If the object being updated is beneath a player, the look-window	698	* 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	699	* of that player is updated (this might be a suboptimal way of
728	* updating that window, though, since update_object() is called _often_)	700	* updating that window, though, since update_object() is called _often_)
729	*	701	*
730	* action is a hint of what the caller believes need to be done.	702	* 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:	703	* current action are:
736	* UP_OBJ_INSERT: op was inserted	704	* UP_OBJ_INSERT: op was inserted
737	* UP_OBJ_REMOVE: op was removed	705	* UP_OBJ_REMOVE: op was removed
738	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	706	* 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.	707	* as that is easier than trying to look at what may have changed.
740	* UP_OBJ_FACE: only the objects face has changed.	708	* UP_OBJ_FACE: only the objects face has changed.
741	*/	709	*/
742
743	void	710	void
744	update_object (object *op, int action)	711	update_object (object *op, int action)
745	{	712	{
746	int update_now = 0, flags;
747	MoveType move_on, move_off, move_block, move_slow;
748
749	if (op == NULL)	713	if (op == NULL)
750	{	714	{
751	/* this should never happen */	715	/* this should never happen */
752	LOG (llevDebug, "update_object() called for NULL object.\n");	716	LOG (llevDebug, "update_object() called for NULL object.\n");
753	return;	717	return;
754	}	718	}
755		719
756	if (op->env != NULL)	720	if (op->env)
757	{	721	{
758	/* Animation is currently handled by client, so nothing	722	/* Animation is currently handled by client, so nothing
759	* to do in this case.	723	* to do in this case.
760	*/	724	*/
761	return;	725	return;
…		…
766	*/	730	*/
767	if (!op->map || op->map->in_memory == MAP_SAVING)	731	if (!op->map || op->map->in_memory == MAP_SAVING)
768	return;	732	return;
769		733
770	/* make sure the object is within map boundaries */	734	/* 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))	735	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
772	{	736	{
773	LOG (llevError, "update_object() called for object out of map!\n");	737	LOG (llevError, "update_object() called for object out of map!\n");
774	#ifdef MANY_CORES	738	#ifdef MANY_CORES
775	abort ();	739	abort ();
776	#endif	740	#endif
777	return;	741	return;
778	}	742	}
779		743
780	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	744	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		745
		746	if (!(m.flags_ & P_UPTODATE))
		747	/* nop */;
787	if (action == UP_OBJ_INSERT)	748	else if (action == UP_OBJ_INSERT)
788	{	749	{
		750	// this is likely overkill, TODO: revisit (schmorp)
789	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	751	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))	752	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
793	update_now = 1;	753	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
794		754	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		755	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
795	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	756	|| (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)	757	|| (m.move_on | op->move_on ) != m.move_on
805	update_now = 1;
806
807	if ((move_off | op->move_off) != move_off)	758	|| (m.move_off | op->move_off ) != m.move_off
808	update_now = 1;	759	|| (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	760	/* This isn't perfect, but I don't expect a lot of objects to
811	* to have move_allow right now.	761	* to have move_allow right now.
812	*/	762	*/
813	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	763	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
814	update_now = 1;	764	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
815		765	m.flags_ = 0;
816	if ((move_slow | op->move_slow) != move_slow)
817	update_now = 1;
818	}	766	}
819	/* if the object is being removed, we can't make intelligent	767	/* if the object is being removed, we can't make intelligent
820	* decisions, because remove_ob can't really pass the object	768	* decisions, because remove_ob can't really pass the object
821	* that is being removed.	769	* that is being removed.
822	*/	770	*/
823	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	771	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
824	update_now = 1;	772	m.flags_ = 0;
825	else if (action == UP_OBJ_FACE)	773	else if (action == UP_OBJ_FACE)
826	/* Nothing to do for that case */ ;	774	/* Nothing to do for that case */ ;
827	else	775	else
828	LOG (llevError, "update_object called with invalid action: %d\n", action);	776	LOG (llevError, "update_object called with invalid action: %d\n", action);
829		777
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)	778	if (op->more)
837	update_object (op->more, action);	779	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() && 0)//D
856	LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D
857	}	780	}
858		781
859	object::object ()	782	object::object ()
860	{	783	{
861	SET_FLAG (this, FLAG_REMOVED);	784	SET_FLAG (this, FLAG_REMOVED);
862		785
863	expmul = 1.0;	786	expmul = 1.0;
864	face = blank_face;	787	face = blank_face;
865	attacked_by_count = -1;
866	}	788	}
867		789
868	object::~object ()	790	object::~object ()
869	{	791	{
		792	unlink ();
		793
870	free_key_values (this);	794	free_key_values (this);
871	}	795	}
872		796
		797	static int object_count;
		798
873	void object::link ()	799	void object::link ()
874	{	800	{
		801	assert (!index);//D
		802	uuid = UUID::gen ();
875	count = ++ob_count;	803	count = ++object_count;
876		804
877	prev = 0;	805	refcnt_inc ();
878	next = objects;	806	objects.insert (this);
879
880	if (objects)
881	objects->prev = this;
882
883	objects = this;
884	}	807	}
885		808
886	void object::unlink ()	809	void object::unlink ()
887	{	810	{
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)	811	if (!index)
898	{	812	return;
899	next->prev = prev;	813
900	next = 0;	814	objects.erase (this);
		815	refcnt_dec ();
		816	}
		817
		818	void
		819	object::activate ()
		820	{
		821	/* If already on active list, don't do anything */
		822	if (active)
		823	return;
		824
		825	if (has_active_speed ())
		826	actives.insert (this);
		827	}
		828
		829	void
		830	object::activate_recursive ()
		831	{
		832	activate ();
		833
		834	for (object *op = inv; op; op = op->below)
		835	op->activate_recursive ();
		836	}
		837
		838	/* This function removes object 'op' from the list of active
		839	* objects.
		840	* This should only be used for style maps or other such
		841	* reference maps where you don't want an object that isn't
		842	* in play chewing up cpu time getting processed.
		843	* The reverse of this is to call update_ob_speed, which
		844	* will do the right thing based on the speed of the object.
		845	*/
		846	void
		847	object::deactivate ()
		848	{
		849	/* If not on the active list, nothing needs to be done */
		850	if (!active)
		851	return;
		852
		853	actives.erase (this);
		854	}
		855
		856	void
		857	object::deactivate_recursive ()
		858	{
		859	for (object *op = inv; op; op = op->below)
		860	op->deactivate_recursive ();
		861
		862	deactivate ();
		863	}
		864
		865	void
		866	object::set_flag_inv (int flag, int value)
		867	{
		868	for (object *op = inv; op; op = op->below)
901	}	869	{
		870	op->flag [flag] = value;
		871	op->set_flag_inv (flag, value);
		872	}
		873	}
902		874
903	if (this == objects)	875	/*
904	objects = next;	876	* Remove and free all objects in the inventory of the given object.
		877	* object.c ?
		878	*/
		879	void
		880	object::destroy_inv (bool drop_to_ground)
		881	{
		882	// need to check first, because the checks below might segfault
		883	// as we might be on an invalid mapspace and crossfire code
		884	// is too buggy to ensure that the inventory is empty.
		885	// corollary: if you create arrows etc. with stuff in tis inventory,
		886	// cf will crash below with off-map x and y
		887	if (!inv)
		888	return;
		889
		890	/* Only if the space blocks everything do we not process -
		891	* if some form of movement is allowed, let objects
		892	* drop on that space.
		893	*/
		894	if (!drop_to_ground
		895	|| !map
		896	|| map->in_memory != MAP_ACTIVE
		897	|| map->nodrop
		898	|| ms ().move_block == MOVE_ALL)
		899	{
		900	while (inv)
		901	{
		902	inv->destroy_inv (drop_to_ground);
		903	inv->destroy ();
		904	}
		905	}
		906	else
		907	{ /* Put objects in inventory onto this space */
		908	while (inv)
		909	{
		910	object *op = inv;
		911
		912	if (op->flag [FLAG_STARTEQUIP]
		913	|| op->flag [FLAG_NO_DROP]
		914	|| op->type == RUNE
		915	|| op->type == TRAP
		916	|| op->flag [FLAG_IS_A_TEMPLATE]
		917	|| op->flag [FLAG_DESTROY_ON_DEATH])
		918	op->destroy ();
		919	else
		920	map->insert (op, x, y);
		921	}
		922	}
905	}	923	}
906		924
907	object *object::create ()	925	object *object::create ()
908	{	926	{
909	object *op;
910
911	if (freed.empty ())
912	op = new object;	927	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 ();	928	op->link ();
923	return op;	929	return op;
924	}	930	}
925		931
926	/*	932	void
927	* free_object() frees everything allocated by an object, removes	933	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	{	934	{
938	if (QUERY_FLAG (this, FLAG_FREED))	935	if (flag [FLAG_IS_LINKED])
		936	remove_button_link (this);
		937
		938	if (flag [FLAG_FRIENDLY])
		939	remove_friendly_object (this);
		940
		941	remove ();
		942
		943	attachable::do_destroy ();
		944
		945	destroy_inv (true);
		946
		947	deactivate ();
		948	unlink ();
		949
		950	flag [FLAG_FREED] = 1;
		951
		952	// hack to ensure that freed objects still have a valid map
		953	{
		954	static maptile *freed_map; // freed objects are moved here to avoid crashes
		955
		956	if (!freed_map)
		957	{
		958	freed_map = new maptile;
		959
		960	freed_map->path = "<freed objects map>";
		961	freed_map->name = "/internal/freed_objects_map";
		962	freed_map->width = 3;
		963	freed_map->height = 3;
		964	freed_map->nodrop = 1;
		965
		966	freed_map->alloc ();
		967	freed_map->in_memory = MAP_ACTIVE;
		968	}
		969
		970	map = freed_map;
		971	x = 1;
		972	y = 1;
		973	}
		974
		975	if (more)
		976	{
		977	more->destroy ();
		978	more = 0;
		979	}
		980
		981	head = 0;
		982
		983	// clear those pointers that likely might cause circular references
		984	owner = 0;
		985	enemy = 0;
		986	attacked_by = 0;
		987	current_weapon = 0;
		988	}
		989
		990	void
		991	object::destroy (bool destroy_inventory)
		992	{
		993	if (destroyed ())
939	return;	994	return;
940		995
941	if (QUERY_FLAG (this, FLAG_FRIENDLY))	996	if (destroy_inventory)
942	remove_friendly_object (this);	997	destroy_inv (false);
943		998
944	if (!QUERY_FLAG (this, FLAG_REMOVED))	999	if (is_head ())
945	remove_ob (this);	1000	if (sound_destroy)
		1001	play_sound (sound_destroy);
		1002	else if (flag [FLAG_MONSTER])
		1003	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
946		1004
947	SET_FLAG (this, FLAG_FREED);	1005	attachable::destroy ();
948
949	if (more)
950	{
951	more->free (free_inventory);
952	more = 0;
953	}
954
955	if (inv)
956	{
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
965	while (op)
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
976	while (op)
977	{
978	object *tmp = op->below;
979
980	remove_ob (op);
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	}	1006	}
1007		1007
1008	/*	1008	/* 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	1009	* 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	1010	* which it is currently tied to. When this function is done, the
1030	* object will have no environment. If the object previously had an	1011	* object will have no environment. If the object previously had an
1031	* environment, the x and y coordinates will be updated to	1012	* environment, the x and y coordinates will be updated to
1032	* the previous environment.	1013	* the previous environment.
1033	* Beware: This function is called from the editor as well!
1034	*/	1014	*/
1035
1036	void	1015	void
1037	remove_ob (object *op)	1016	object::do_remove ()
1038	{	1017	{
		1018	object *tmp, *last = 0;
1039	object *	1019	object *otmp;
1040	tmp, *
1041	last = NULL;
1042	object *
1043	otmp;
1044		1020
1045	tag_t	1021	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;	1022	return;
1058		1023
1059	SET_FLAG (op, FLAG_REMOVED);	1024	INVOKE_OBJECT (REMOVE, this);
1060		1025
1061	if (op->more != NULL)	1026	if (object *pl = visible_to ())
1062	remove_ob (op->more);	1027	esrv_del_item (pl->contr, count);
		1028
		1029	flag [FLAG_REMOVED] = true;
		1030
		1031	if (more)
		1032	more->remove ();
1063		1033
1064	/*	1034	/*
1065	* In this case, the object to be removed is in someones	1035	* In this case, the object to be removed is in someones
1066	* inventory.	1036	* inventory.
1067	*/	1037	*/
1068	if (op->env != NULL)	1038	if (env)
1069	{	1039	{
1070	if (op->nrof)	1040	adjust_weight (env, -total_weight ());
1071	sub_weight (op->env, op->weight * op->nrof);	1041
1072	else	1042	*(above ? &above->below : &env->inv) = below;
1073	sub_weight (op->env, op->weight + op->carrying);	1043
		1044	if (below)
		1045	below->above = above;
		1046
		1047	/* we set up values so that it could be inserted into
		1048	* the map, but we don't actually do that - it is up
		1049	* to the caller to decide what we want to do.
		1050	*/
		1051	map = env->map;
		1052	x = env->x;
		1053	y = env->y;
		1054	above = 0;
		1055	below = 0;
		1056	env = 0;
1074		1057
1075	/* NO_FIX_PLAYER is set when a great many changes are being	1058	/* NO_FIX_PLAYER is set when a great many changes are being
1076	* made to players inventory. If set, avoiding the call	1059	* made to players inventory. If set, avoiding the call
1077	* to save cpu time.	1060	* to save cpu time.
1078	*/	1061	*/
1079	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1062	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1080	fix_player (otmp);	1063	otmp->update_stats ();
		1064	}
		1065	else if (map)
		1066	{
		1067	if (type == PLAYER)
		1068	{
		1069	// leaving a spot always closes any open container on the ground
		1070	if (container && !container->env)
		1071	// this causes spurious floorbox updates, but it ensures
		1072	// that the CLOSE event is being sent.
		1073	close_container ();
1081		1074
1082	if (op->above != NULL)	1075	--map->players;
		1076	map->touch ();
		1077	}
		1078
		1079	map->dirty = true;
		1080	mapspace &ms = this->ms ();
		1081
		1082	/* link the object above us */
		1083	if (above)
1083	op->above->below = op->below;	1084	above->below = below;
1084	else	1085	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 */	1086	ms.top = below; /* we were top, set new top */
1129		1087
1130	/* Relink the object below us, if there is one */	1088	/* Relink the object below us, if there is one */
1131	if (op->below)	1089	if (below)
1132	op->below->above = op->above;	1090	below->above = above;
1133	else	1091	else
1134	{	1092	{
1135	/* Nothing below, which means we need to relink map object for this space	1093	/* 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	1094	* use translated coordinates in case some oddness with map tiling is
1137	* evident	1095	* evident
1138	*/	1096	*/
1139	if (GET_MAP_OB (m, x, y) != op)	1097	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);	1098	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));	1099
1145	LOG (llevError, "%s\n", errmsg);	1100	ms.bot = above; /* goes on above it. */
1146	}	1101	}
1147		1102
1148	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1149	}
1150
1151	op->above = 0;	1103	above = 0;
1152	op->below = 0;	1104	below = 0;
1153		1105
1154	if (op->map->in_memory == MAP_SAVING)	1106	if (map->in_memory == MAP_SAVING)
1155	return;	1107	return;
1156		1108
1157	tag = op->count;	1109	int check_walk_off = !flag [FLAG_NO_APPLY];
1158	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1159		1110
1160	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1111	if (object *pl = ms.player ())
		1112	{
		1113	if (pl->container == this)
		1114	/* If a container that the player is currently using somehow gets
		1115	* removed (most likely destroyed), update the player view
		1116	* appropriately.
		1117	*/
		1118	pl->close_container ();
		1119
		1120	pl->contr->ns->floorbox_update ();
		1121	}
		1122
		1123	for (tmp = ms.bot; tmp; tmp = tmp->above)
1161	{	1124	{
1162	/* No point updating the players look faces if he is the object	1125	/* No point updating the players look faces if he is the object
1163	* being removed.	1126	* being removed.
1164	*/	1127	*/
1165		1128
1166	if (tmp->type == PLAYER && tmp != op)	1129	/* See if object moving off should effect something */
		1130	if (check_walk_off
		1131	&& ((move_type & tmp->move_off)
		1132	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1167	{	1133	{
1168	/* If a container that the player is currently using somehow gets	1134	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		1135
1178	tmp->contr->socket.update_look = 1;	1136	if (destroyed ())
		1137	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1179	}	1138	}
1180		1139
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
1197	last = tmp;	1140	last = tmp;
1198	}	1141	}
1199		1142
1200	/* last == NULL of there are no objects on this space */	1143	/* last == NULL if there are no objects on this space */
		1144	//TODO: this makes little sense, why only update the topmost object?
1201	if (last == NULL)	1145	if (!last)
1202	{	1146	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	1147	else
1212	update_object (last, UP_OBJ_REMOVE);	1148	update_object (last, UP_OBJ_REMOVE);
1213		1149
1214	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1150	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1215	update_all_los (op->map, op->x, op->y);	1151	update_all_los (map, x, y);
1216	}	1152	}
1217	}	1153	}
1218		1154
1219	/*	1155	/*
1220	* merge_ob(op,top):	1156	* merge_ob(op,top):
…		…
1222	* This function goes through all objects below and including top, and	1158	* This function goes through all objects below and including top, and
1223	* merges op to the first matching object.	1159	* merges op to the first matching object.
1224	* If top is NULL, it is calculated.	1160	* If top is NULL, it is calculated.
1225	* Returns pointer to object if it succeded in the merge, otherwise NULL	1161	* Returns pointer to object if it succeded in the merge, otherwise NULL
1226	*/	1162	*/
1227
1228	object *	1163	object *
1229	merge_ob (object *op, object *top)	1164	merge_ob (object *op, object *top)
1230	{	1165	{
1231	if (!op->nrof)	1166	if (!op->nrof)
1232	return 0;	1167	return 0;
1233		1168
1234	if (top == NULL)	1169	if (!top)
1235	for (top = op; top != NULL && top->above != NULL; top = top->above);	1170	for (top = op; top && top->above; top = top->above)
		1171	;
1236		1172
1237	for (; top != NULL; top = top->below)	1173	for (; top; top = top->below)
1238	{	1174	{
1239	if (top == op)	1175	if (top == op)
1240	continue;	1176	continue;
1241	if (CAN_MERGE (op, top))	1177
		1178	if (object::can_merge (op, top))
1242	{	1179	{
1243	top->nrof += op->nrof;	1180	top->nrof += op->nrof;
1244		1181
1245	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1182	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1246	op->weight = 0; /* Don't want any adjustements now */	1183	op->weight = 0; /* Don't want any adjustements now */
1247	remove_ob (op);	1184	op->destroy ();
1248	free_object (op);
1249	return top;	1185	return top;
1250	}	1186	}
1251	}	1187	}
1252		1188
1253	return NULL;	1189	return 0;
1254	}	1190	}
1255		1191
		1192	void
		1193	object::expand_tail ()
		1194	{
		1195	if (more)
		1196	return;
		1197
		1198	object *prev = this;
		1199
		1200	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1201	{
		1202	object *op = arch_to_object (at);
		1203
		1204	op->name = name;
		1205	op->name_pl = name_pl;
		1206	op->title = title;
		1207
		1208	op->head = this;
		1209	prev->more = op;
		1210
		1211	prev = op;
		1212	}
		1213	}
		1214
1256	/*	1215	/*
1257	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1216	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1258	* job preparing multi-part monsters	1217	* job preparing multi-part monsters.
1259	*/	1218	*/
1260	object *	1219	object *
1261	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1220	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1262	{	1221	{
1263	object *tmp;
1264
1265	if (op->head)
1266	op = op->head;
1267
1268	for (tmp = op; tmp; tmp = tmp->more)	1222	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1269	{	1223	{
1270	tmp->x = x + tmp->arch->clone.x;	1224	tmp->x = x + tmp->arch->x;
1271	tmp->y = y + tmp->arch->clone.y;	1225	tmp->y = y + tmp->arch->y;
1272	}	1226	}
1273		1227
1274	return insert_ob_in_map (op, m, originator, flag);	1228	return insert_ob_in_map (op, m, originator, flag);
1275	}	1229	}
1276		1230
…		…
1292	* Return value:	1246	* Return value:
1293	* new object if 'op' was merged with other object	1247	* new object if 'op' was merged with other object
1294	* NULL if 'op' was destroyed	1248	* NULL if 'op' was destroyed
1295	* just 'op' otherwise	1249	* just 'op' otherwise
1296	*/	1250	*/
1297
1298	object *	1251	object *
1299	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1252	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1300	{	1253	{
		1254	assert (!op->flag [FLAG_FREED]);
		1255
1301	object *tmp, *top, *floor = NULL;	1256	object *top, *floor = NULL;
1302	sint16 x, y;
1303		1257
1304	if (QUERY_FLAG (op, FLAG_FREED))	1258	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		1259
1370	/* Ideally, the caller figures this out. However, it complicates a lot	1260	/* 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	1261	* of areas of callers (eg, anything that uses find_free_spot would now
1372	* need extra work	1262	* need extra work
1373	*/	1263	*/
1374	op->map = get_map_from_coord (m, &op->x, &op->y);	1264	if (!xy_normalise (m, op->x, op->y))
1375	x = op->x;	1265	{
1376	y = op->y;	1266	op->destroy ();
		1267	return 0;
		1268	}
		1269
		1270	if (object *more = op->more)
		1271	if (!insert_ob_in_map (more, m, originator, flag))
		1272	return 0;
		1273
		1274	CLEAR_FLAG (op, FLAG_REMOVED);
		1275
		1276	op->map = m;
		1277	mapspace &ms = op->ms ();
1377		1278
1378	/* this has to be done after we translate the coordinates.	1279	/* this has to be done after we translate the coordinates.
1379	*/	1280	*/
1380	if (op->nrof && !(flag & INS_NO_MERGE))	1281	if (op->nrof && !(flag & INS_NO_MERGE))
1381	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1282	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1382	if (CAN_MERGE (op, tmp))	1283	if (object::can_merge (op, tmp))
1383	{	1284	{
1384	op->nrof += tmp->nrof;	1285	op->nrof += tmp->nrof;
1385	remove_ob (tmp);	1286	tmp->destroy (1);
1386	free_object (tmp);
1387	}	1287	}
1388		1288
1389	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1289	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1390	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1290	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1391		1291
…		…
1404	op->below = originator->below;	1304	op->below = originator->below;
1405		1305
1406	if (op->below)	1306	if (op->below)
1407	op->below->above = op;	1307	op->below->above = op;
1408	else	1308	else
1409	SET_MAP_OB (op->map, op->x, op->y, op);	1309	ms.bot = op;
1410		1310
1411	/* since *below* originator, no need to update top */	1311	/* since *below* originator, no need to update top */
1412	originator->below = op;	1312	originator->below = op;
1413	}	1313	}
1414	else	1314	else
1415	{	1315	{
		1316	top = ms.bot;
		1317
1416	/* If there are other objects, then */	1318	/* If there are other objects, then */
1417	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1319	if (top)
1418	{	1320	{
1419	object *last = NULL;	1321	object *last = 0;
1420		1322
1421	/*	1323	/*
1422	* If there are multiple objects on this space, we do some trickier handling.	1324	* If there are multiple objects on this space, we do some trickier handling.
1423	* We've already dealt with merging if appropriate.	1325	* We've already dealt with merging if appropriate.
1424	* Generally, we want to put the new object on top. But if	1326	* 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	1330	* 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	1331	* 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	1332	* when lots of spells are cast in one area. Currently, it is presumed
1431	* that flying non pickable objects are spell objects.	1333	* that flying non pickable objects are spell objects.
1432	*/	1334	*/
1433		1335	for (top = ms.bot; top; top = top->above)
1434	while (top != NULL)
1435	{	1336	{
1436	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1337	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1437	floor = top;	1338	floor = top;
1438		1339
1439	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1340	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;	1343	top = top->below;
1443	break;	1344	break;
1444	}	1345	}
1445		1346
1446	last = top;	1347	last = top;
1447	top = top->above;
1448	}	1348	}
1449		1349
1450	/* Don't want top to be NULL, so set it to the last valid object */	1350	/* Don't want top to be NULL, so set it to the last valid object */
1451	top = last;	1351	top = last;
1452		1352
…		…
1454	* looks like instead of lots of conditions here.	1354	* looks like instead of lots of conditions here.
1455	* makes things faster, and effectively the same result.	1355	* makes things faster, and effectively the same result.
1456	*/	1356	*/
1457		1357
1458	/* Have object 'fall below' other objects that block view.	1358	/* Have object 'fall below' other objects that block view.
1459	* Unless those objects are exits, type 66	1359	* Unless those objects are exits.
1460	* If INS_ON_TOP is used, don't do this processing	1360	* If INS_ON_TOP is used, don't do this processing
1461	* Need to find the object that in fact blocks view, otherwise	1361	* Need to find the object that in fact blocks view, otherwise
1462	* stacking is a bit odd.	1362	* stacking is a bit odd.
1463	*/	1363	*/
1464	if (!(flag & INS_ON_TOP) &&	1364	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))	1365	&& ms.flags () & P_BLOCKSVIEW
		1366	&& (op->face && !faces [op->face].visibility))
1466	{	1367	{
1467	for (last = top; last != floor; last = last->below)	1368	for (last = top; last != floor; last = last->below)
1468	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1369	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1469	break;	1370	break;
		1371
1470	/* Check to see if we found the object that blocks view,	1372	/* Check to see if we found the object that blocks view,
1471	* and make sure we have a below pointer for it so that	1373	* and make sure we have a below pointer for it so that
1472	* we can get inserted below this one, which requires we	1374	* we can get inserted below this one, which requires we
1473	* set top to the object below us.	1375	* set top to the object below us.
1474	*/	1376	*/
1475	if (last && last->below && last != floor)	1377	if (last && last->below && last != floor)
1476	top = last->below;	1378	top = last->below;
1477	}	1379	}
1478	} /* If objects on this space */	1380	} /* If objects on this space */
1479		1381
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)	1382	if (flag & INS_ABOVE_FLOOR_ONLY)
1484	top = floor;	1383	top = floor;
1485		1384
1486	/* Top is the object that our object (op) is going to get inserted above.	1385	/* Top is the object that our object (op) is going to get inserted above.
1487	*/	1386	*/
1488		1387
1489	/* First object on this space */	1388	/* First object on this space */
1490	if (!top)	1389	if (!top)
1491	{	1390	{
1492	op->above = GET_MAP_OB (op->map, op->x, op->y);	1391	op->above = ms.bot;
1493		1392
1494	if (op->above)	1393	if (op->above)
1495	op->above->below = op;	1394	op->above->below = op;
1496		1395
1497	op->below = NULL;	1396	op->below = 0;
1498	SET_MAP_OB (op->map, op->x, op->y, op);	1397	ms.bot = op;
1499	}	1398	}
1500	else	1399	else
1501	{ /* get inserted into the stack above top */	1400	{ /* get inserted into the stack above top */
1502	op->above = top->above;	1401	op->above = top->above;
1503		1402
…		…
1506		1405
1507	op->below = top;	1406	op->below = top;
1508	top->above = op;	1407	top->above = op;
1509	}	1408	}
1510		1409
1511	if (op->above == NULL)	1410	if (!op->above)
1512	SET_MAP_TOP (op->map, op->x, op->y, op);	1411	ms.top = op;
1513	} /* else not INS_BELOW_ORIGINATOR */	1412	} /* else not INS_BELOW_ORIGINATOR */
1514		1413
1515	if (op->type == PLAYER)	1414	if (op->type == PLAYER)
		1415	{
1516	op->contr->do_los = 1;	1416	op->contr->do_los = 1;
		1417	++op->map->players;
		1418	op->map->touch ();
		1419	}
1517		1420
1518	/* If we have a floor, we know the player, if any, will be above	1421	op->map->dirty = true;
1519	* it, so save a few ticks and start from there.	1422
1520	*/	1423	if (object *pl = ms.player ())
1521	if (!(flag & INS_MAP_LOAD))	1424	pl->contr->ns->floorbox_update ();
1522	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1523	if (tmp->type == PLAYER)
1524	tmp->contr->socket.update_look = 1;
1525		1425
1526	/* If this object glows, it may affect lighting conditions that are	1426	/* If this object glows, it may affect lighting conditions that are
1527	* visible to others on this map. But update_all_los is really	1427	* 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	1428	* 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	1429	* on the map will get recalculated. The players could very well
1530	* be far away from this change and not affected in any way -	1430	* be far away from this change and not affected in any way -
1531	* this should get redone to only look for players within range,	1431	* this should get redone to only look for players within range,
1532	* or just updating the P_NEED_UPDATE for spaces within this area	1432	* or just updating the P_UPTODATE for spaces within this area
1533	* of effect may be sufficient.	1433	* of effect may be sufficient.
1534	*/	1434	*/
1535	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1435	if (op->map->darkness && (op->glow_radius != 0))
1536	update_all_los (op->map, op->x, op->y);	1436	update_all_los (op->map, op->x, op->y);
1537		1437
1538	/* updates flags (blocked, alive, no magic, etc) for this map space */	1438	/* updates flags (blocked, alive, no magic, etc) for this map space */
1539	update_object (op, UP_OBJ_INSERT);	1439	update_object (op, UP_OBJ_INSERT);
1540		1440
		1441	INVOKE_OBJECT (INSERT, op);
		1442
1541	/* Don't know if moving this to the end will break anything. However,	1443	/* 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.	1444	* we want to have floorbox_update called before calling this.
1543	*	1445	*
1544	* check_move_on() must be after this because code called from	1446	* check_move_on() must be after this because code called from
1545	* check_move_on() depends on correct map flags (so functions like	1447	* check_move_on() depends on correct map flags (so functions like
1546	* blocked() and wall() work properly), and these flags are updated by	1448	* blocked() and wall() work properly), and these flags are updated by
1547	* update_object().	1449	* update_object().
1548	*/	1450	*/
1549		1451
1550	/* if this is not the head or flag has been passed, don't check walk on status */	1452	/* 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)	1453	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1552	{	1454	{
1553	if (check_move_on (op, originator))	1455	if (check_move_on (op, originator))
1554	return NULL;	1456	return 0;
1555		1457
1556	/* If we are a multi part object, lets work our way through the check	1458	/* If we are a multi part object, lets work our way through the check
1557	* walk on's.	1459	* walk on's.
1558	*/	1460	*/
1559	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1461	for (object *tmp = op->more; tmp; tmp = tmp->more)
1560	if (check_move_on (tmp, originator))	1462	if (check_move_on (tmp, originator))
1561	return NULL;	1463	return 0;
1562	}	1464	}
1563		1465
1564	return op;	1466	return op;
1565	}	1467	}
1566		1468
1567	/* this function inserts an object in the map, but if it	1469	/* 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.	1470	* 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.	1471	* op is the object to insert it under: supplies x and the map.
1570	*/	1472	*/
1571	void	1473	void
1572	replace_insert_ob_in_map (const char *arch_string, object *op)	1474	replace_insert_ob_in_map (const char *arch_string, object *op)
1573	{	1475	{
1574	object *
1575	tmp;
1576	object *
1577	tmp1;
1578
1579	/* first search for itself and remove any old instances */	1476	/* first search for itself and remove any old instances */
1580		1477
1581	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1478	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1582	{
1583	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1479	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1584	{	1480	tmp->destroy (1);
1585	remove_ob (tmp);
1586	free_object (tmp);
1587	}
1588	}
1589		1481
1590	tmp1 = arch_to_object (find_archetype (arch_string));	1482	object *tmp = arch_to_object (archetype::find (arch_string));
1591		1483
1592	tmp1->x = op->x;	1484	tmp->x = op->x;
1593	tmp1->y = op->y;	1485	tmp->y = op->y;
		1486
1594	insert_ob_in_map (tmp1, op->map, op, 0);	1487	insert_ob_in_map (tmp, op->map, op, 0);
1595	}	1488	}
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		1489
1605	object *	1490	object *
1606	get_split_ob (object *orig_ob, uint32 nr)	1491	object::insert_at (object *where, object *originator, int flags)
1607	{	1492	{
		1493	if (where->env)
		1494	return where->env->insert (this);
		1495	else
		1496	return where->map->insert (this, where->x, where->y, originator, flags);
		1497	}
		1498
		1499	// find player who can see this object
1608	object *	1500	object *
1609	newob;	1501	object::visible_to () const
1610	int	1502	{
1611	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1503	if (!flag [FLAG_REMOVED])
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	}	1504	{
1618		1505	// see if we are in a container of sorts
1619	newob = object_create_clone (orig_ob);	1506	if (env)
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	}	1507	{
1637	}	1508	// the player inventory itself is always visible
		1509	if (env->type == PLAYER)
		1510	return env;
1638		1511
1639	newob->nrof = nr;	1512	// else a player could have our env open
		1513	object *envest = env->outer_env ();
1640		1514
		1515	// the player itself is always on a map, so we will find him here
		1516	// even if our inv is in a player.
		1517	if (envest->is_on_map ())
		1518	if (object *pl = envest->ms ().player ())
		1519	if (pl->container == env)
		1520	return pl;
		1521	}
		1522	else
		1523	{
		1524	// maybe there is a player standing on the same mapspace
		1525	// this will catch the case where "this" is a player
		1526	if (object *pl = ms ().player ())
		1527	return pl;
		1528	}
		1529	}
		1530
1641	return newob;	1531	return 0;
1642	}	1532	}
1643		1533
1644	/*	1534	/*
1645	* decrease_ob_nr(object, number) decreases a specified number from	1535	* decrease(object, number) decreases a specified number from
1646	* the amount of an object. If the amount reaches 0, the object	1536	* the amount of an object. If the amount reaches 0, the object
1647	* is subsequently removed and freed.	1537	* is subsequently removed and freed.
1648	*	1538	*
1649	* Return value: 'op' if something is left, NULL if the amount reached 0	1539	* Return value: 'op' if something is left, NULL if the amount reached 0
1650	*/	1540	*/
		1541	bool
		1542	object::decrease (sint32 nr)
		1543	{
		1544	if (!nr)
		1545	return true;
1651		1546
		1547	nr = min (nr, nrof);
		1548
		1549	nrof -= nr;
		1550
		1551	if (nrof)
		1552	{
		1553	adjust_weight (env, -weight * nr); // carrying == 0
		1554
		1555	if (object *pl = visible_to ())
		1556	esrv_update_item (UPD_NROF, pl, this);
		1557
		1558	return true;
		1559	}
		1560	else
		1561	{
		1562	destroy (1);
		1563	return false;
		1564	}
		1565	}
		1566
		1567	/*
		1568	* split(ob,nr) splits up ob into two parts. The part which
		1569	* is returned contains nr objects, and the remaining parts contains
		1570	* the rest (or is removed and returned if that number is 0).
		1571	* On failure, NULL is returned.
		1572	*/
1652	object *	1573	object *
1653	decrease_ob_nr (object *op, uint32 i)	1574	object::split (sint32 nr)
1654	{	1575	{
1655	object *tmp;	1576	int have = number_of ();
1656	player *pl;
1657		1577
1658	if (i == 0) /* objects with op->nrof require this check */	1578	if (have < nr)
1659	return op;	1579	return 0;
1660		1580	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	{	1581	{
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);	1582	remove ();
1701	op->nrof = 0;	1583	return this;
1702	if (tmp)
1703	{
1704	esrv_del_item (tmp->contr, op->count);
1705	}
1706	}
1707	}	1584	}
1708	else	1585	else
1709	{	1586	{
1710	object *above = op->above;	1587	decrease (nr);
1711		1588
1712	if (i < op->nrof)	1589	object *op = object_create_clone (this);
1713	op->nrof -= i;	1590	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;	1591	return op;
1733	else
1734	{	1592	}
1735	free_object (op);	1593	}
		1594
		1595	object *
		1596	insert_ob_in_ob (object *op, object *where)
		1597	{
		1598	if (!where)
		1599	{
		1600	char *dump = dump_object (op);
		1601	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1602	free (dump);
1736	return NULL;	1603	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	{	1604	}
1750	if (op->type == CONTAINER)
1751	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1752		1605
1753	op->carrying += weight;	1606	if (where->head_ () != where)
1754	op = op->env;
1755	}	1607	{
1756	}	1608	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1609	where = where->head;
		1610	}
1757		1611
		1612	return where->insert (op);
		1613	}
		1614
1758	/*	1615	/*
1759	* insert_ob_in_ob(op,environment):	1616	* env->insert (op)
1760	* This function inserts the object op in the linked list	1617	* This function inserts the object op in the linked list
1761	* inside the object environment.	1618	* inside the object environment.
1762	*	1619	*
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	1620	* The function returns now pointer to inserted item, and return value can
1769	* be != op, if items are merged. -Tero	1621	* be != op, if items are merged. -Tero
1770	*/	1622	*/
1771
1772	object *	1623	object *
1773	insert_ob_in_ob (object *op, object *where)	1624	object::insert (object *op)
1774	{	1625	{
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)	1626	if (op->more)
1800	{	1627	{
1801	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1628	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1802	return op;	1629	return op;
1803	}	1630	}
1804		1631
1805	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1632	op->remove ();
1806	CLEAR_FLAG (op, FLAG_REMOVED);	1633
		1634	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1635
1807	if (op->nrof)	1636	if (op->nrof)
1808	{
1809	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1637	for (object *tmp = inv; tmp; tmp = tmp->below)
1810	if (CAN_MERGE (tmp, op))	1638	if (object::can_merge (tmp, op))
1811	{	1639	{
1812	/* return the original object and remove inserted object	1640	/* return the original object and remove inserted object
1813	(client needs the original object) */	1641	(client needs the original object) */
1814	tmp->nrof += op->nrof;	1642	tmp->nrof += op->nrof;
1815	/* Weight handling gets pretty funky. Since we are adding to	1643	adjust_weight (this, op->total_weight ());
1816	* tmp->nrof, we need to increase the weight.	1644
1817	*/	1645	op->destroy (1);
1818	add_weight (where, op->weight * op->nrof);
1819	SET_FLAG (op, FLAG_REMOVED);
1820	free_object (op); /* free the inserted object */
1821	op = tmp;	1646	op = tmp;
1822	remove_ob (op); /* and fix old object's links */	1647	goto inserted;
1823	CLEAR_FLAG (op, FLAG_REMOVED);
1824	break;
1825	}	1648	}
1826		1649
1827	/* I assume combined objects have no inventory	1650	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;	1651	op->map = 0;
1846	op->env = where;	1652	op->x = 0;
		1653	op->y = 0;
		1654
1847	op->above = NULL;	1655	op->above = 0;
1848	op->below = NULL;	1656	op->below = inv;
1849	op->x = 0, op->y = 0;	1657	op->env = this;
1850		1658
		1659	if (inv)
		1660	inv->above = op;
		1661
		1662	inv = op;
		1663
		1664	op->flag [FLAG_REMOVED] = 0;
		1665
		1666	adjust_weight (this, op->total_weight ());
		1667
		1668	inserted:
1851	/* reset the light list and los of the players on the map */	1669	/* reset the light list and los of the players on the map */
1852	if ((op->glow_radius != 0) && where->map)	1670	if (op->glow_radius && map && map->darkness)
1853	{	1671	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		1672
1861	/* Client has no idea of ordering so lets not bother ordering it here.	1673	if (object *otmp = in_player ())
1862	* It sure simplifies this function...	1674	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1863	*/	1675	otmp->update_stats ();
1864	if (where->inv == NULL)	1676
1865	where->inv = op;	1677	INVOKE_OBJECT (INSERT, this);
1866	else	1678
1867	{
1868	op->below = where->inv;
1869	op->below->above = op;
1870	where->inv = op;
1871	}
1872	return op;	1679	return op;
1873	}	1680	}
1874		1681
1875	/*	1682	/*
1876	* Checks if any objects has a move_type that matches objects	1683	* Checks if any objects has a move_type that matches objects
…		…
1890	*	1697	*
1891	* MSW 2001-07-08: Check all objects on space, not just those below	1698	* 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	1699	* object being inserted. insert_ob_in_map may not put new objects
1893	* on top.	1700	* on top.
1894	*/	1701	*/
1895
1896	int	1702	int
1897	check_move_on (object *op, object *originator)	1703	check_move_on (object *op, object *originator)
1898	{	1704	{
1899	object *	1705	object *tmp;
1900	tmp;	1706	maptile *m = op->map;
1901	tag_t
1902	tag;
1903	mapstruct *
1904	m = op->map;
1905	int
1906	x = op->x, y = op->y;	1707	int x = op->x, y = op->y;
1907		1708
1908	MoveType	1709	MoveType move_on, move_slow, move_block;
1909	move_on,
1910	move_slow,
1911	move_block;
1912		1710
1913	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1711	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1914	return 0;	1712	return 0;
1915
1916	tag = op->count;
1917		1713
1918	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1714	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);	1715	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);	1716	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1921		1717
…		…
1937		1733
1938	/* The objects have to be checked from top to bottom.	1734	/* The objects have to be checked from top to bottom.
1939	* Hence, we first go to the top:	1735	* Hence, we first go to the top:
1940	*/	1736	*/
1941		1737
1942	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1738	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1943	{	1739	{
1944	/* Trim the search when we find the first other spell effect	1740	/* Trim the search when we find the first other spell effect
1945	* this helps performance so that if a space has 50 spell objects,	1741	* this helps performance so that if a space has 50 spell objects,
1946	* we don't need to check all of them.	1742	* we don't need to check all of them.
1947	*/	1743	*/
…		…
1965	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1761	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))	1762	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1967	{	1763	{
1968		1764
1969	float	1765	float
1970	diff = tmp->move_slow_penalty * FABS (op->speed);	1766	diff = tmp->move_slow_penalty * fabs (op->speed);
1971		1767
1972	if (op->type == PLAYER)	1768	if (op->type == PLAYER)
1973	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1769	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)))	1770	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1975	diff /= 4.0;	1771	diff /= 4.0;
…		…
1982	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1778	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))	1779	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1984	{	1780	{
1985	move_apply (tmp, op, originator);	1781	move_apply (tmp, op, originator);
1986		1782
1987	if (was_destroyed (op, tag))	1783	if (op->destroyed ())
1988	return 1;	1784	return 1;
1989		1785
1990	/* what the person/creature stepped onto has moved the object	1786	/* what the person/creature stepped onto has moved the object
1991	* someplace new. Don't process any further - if we did,	1787	* someplace new. Don't process any further - if we did,
1992	* have a feeling strange problems would result.	1788	* have a feeling strange problems would result.
…		…
2002	/*	1798	/*
2003	* present_arch(arch, map, x, y) searches for any objects with	1799	* present_arch(arch, map, x, y) searches for any objects with
2004	* a matching archetype at the given map and coordinates.	1800	* a matching archetype at the given map and coordinates.
2005	* The first matching object is returned, or NULL if none.	1801	* The first matching object is returned, or NULL if none.
2006	*/	1802	*/
2007
2008	object *	1803	object *
2009	present_arch (const archetype *at, mapstruct *m, int x, int y)	1804	present_arch (const archetype *at, maptile *m, int x, int y)
2010	{	1805	{
2011	object *
2012	tmp;
2013
2014	if (m == NULL || out_of_map (m, x, y))	1806	if (!m || out_of_map (m, x, y))
2015	{	1807	{
2016	LOG (llevError, "Present_arch called outside map.\n");	1808	LOG (llevError, "Present_arch called outside map.\n");
2017	return NULL;	1809	return NULL;
2018	}	1810	}
2019	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1811
		1812	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2020	if (tmp->arch == at)	1813	if (tmp->arch == at)
2021	return tmp;	1814	return tmp;
		1815
2022	return NULL;	1816	return NULL;
2023	}	1817	}
2024		1818
2025	/*	1819	/*
2026	* present(type, map, x, y) searches for any objects with	1820	* present(type, map, x, y) searches for any objects with
2027	* a matching type variable at the given map and coordinates.	1821	* a matching type variable at the given map and coordinates.
2028	* The first matching object is returned, or NULL if none.	1822	* The first matching object is returned, or NULL if none.
2029	*/	1823	*/
2030
2031	object *	1824	object *
2032	present (unsigned char type, mapstruct *m, int x, int y)	1825	present (unsigned char type, maptile *m, int x, int y)
2033	{	1826	{
2034	object *
2035	tmp;
2036
2037	if (out_of_map (m, x, y))	1827	if (out_of_map (m, x, y))
2038	{	1828	{
2039	LOG (llevError, "Present called outside map.\n");	1829	LOG (llevError, "Present called outside map.\n");
2040	return NULL;	1830	return NULL;
2041	}	1831	}
2042	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1832
		1833	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2043	if (tmp->type == type)	1834	if (tmp->type == type)
2044	return tmp;	1835	return tmp;
		1836
2045	return NULL;	1837	return NULL;
2046	}	1838	}
2047		1839
2048	/*	1840	/*
2049	* present_in_ob(type, object) searches for any objects with	1841	* present_in_ob(type, object) searches for any objects with
2050	* a matching type variable in the inventory of the given object.	1842	* a matching type variable in the inventory of the given object.
2051	* The first matching object is returned, or NULL if none.	1843	* The first matching object is returned, or NULL if none.
2052	*/	1844	*/
2053
2054	object *	1845	object *
2055	present_in_ob (unsigned char type, const object *op)	1846	present_in_ob (unsigned char type, const object *op)
2056	{	1847	{
2057	object *
2058	tmp;
2059
2060	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1848	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2061	if (tmp->type == type)	1849	if (tmp->type == type)
2062	return tmp;	1850	return tmp;
		1851
2063	return NULL;	1852	return NULL;
2064	}	1853	}
2065		1854
2066	/*	1855	/*
2067	* present_in_ob (type, str, object) searches for any objects with	1856	* present_in_ob (type, str, object) searches for any objects with
…		…
2075	* str is the string to match against. Note that we match against	1864	* 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	1865	* 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	1866	* spell code can use one object type (force), but change it's name
2078	* to be unique.	1867	* to be unique.
2079	*/	1868	*/
2080
2081	object *	1869	object *
2082	present_in_ob_by_name (int type, const char *str, const object *op)	1870	present_in_ob_by_name (int type, const char *str, const object *op)
2083	{	1871	{
2084	object *
2085	tmp;
2086
2087	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1872	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2088	{
2089	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1873	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2090	return tmp;	1874	return tmp;
2091	}	1875
2092	return NULL;	1876	return 0;
2093	}	1877	}
2094		1878
2095	/*	1879	/*
2096	* present_arch_in_ob(archetype, object) searches for any objects with	1880	* present_arch_in_ob(archetype, object) searches for any objects with
2097	* a matching archetype in the inventory of the given object.	1881	* a matching archetype in the inventory of the given object.
2098	* The first matching object is returned, or NULL if none.	1882	* The first matching object is returned, or NULL if none.
2099	*/	1883	*/
2100
2101	object *	1884	object *
2102	present_arch_in_ob (const archetype *at, const object *op)	1885	present_arch_in_ob (const archetype *at, const object *op)
2103	{	1886	{
2104	object *
2105	tmp;
2106
2107	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1887	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2108	if (tmp->arch == at)	1888	if (tmp->arch == at)
2109	return tmp;	1889	return tmp;
		1890
2110	return NULL;	1891	return NULL;
2111	}	1892	}
2112		1893
2113	/*	1894	/*
2114	* activate recursively a flag on an object inventory	1895	* activate recursively a flag on an object inventory
2115	*/	1896	*/
2116	void	1897	void
2117	flag_inv (object *op, int flag)	1898	flag_inv (object *op, int flag)
2118	{	1899	{
2119	object *
2120	tmp;
2121
2122	if (op->inv)
2123	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1900	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2124	{	1901	{
2125	SET_FLAG (tmp, flag);	1902	SET_FLAG (tmp, flag);
2126	flag_inv (tmp, flag);	1903	flag_inv (tmp, flag);
2127	}	1904	}
2128	} /*	1905	}
		1906
		1907	/*
2129	* desactivate recursively a flag on an object inventory	1908	* deactivate recursively a flag on an object inventory
2130	*/	1909	*/
2131	void	1910	void
2132	unflag_inv (object *op, int flag)	1911	unflag_inv (object *op, int flag)
2133	{	1912	{
2134	object *
2135	tmp;
2136
2137	if (op->inv)
2138	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1913	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2139	{	1914	{
2140	CLEAR_FLAG (tmp, flag);	1915	CLEAR_FLAG (tmp, flag);
2141	unflag_inv (tmp, flag);	1916	unflag_inv (tmp, flag);
2142	}	1917	}
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	}	1918	}
2158		1919
2159	/*	1920	/*
2160	* find_free_spot(object, map, x, y, start, stop) will search for	1921	* 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	1922	* a spot at the given map and coordinates which will be able to contain
…		…
2163	* to search (see the freearr_x/y[] definition).	1924	* to search (see the freearr_x/y[] definition).
2164	* It returns a random choice among the alternatives found.	1925	* 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	1926	* 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	1927	* 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)	1928	* 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	1929	* Note: This function does correctly handle tiled maps, but does not
2172	* inform the caller. However, insert_ob_in_map will update as	1930	* inform the caller. However, insert_ob_in_map will update as
2173	* necessary, so the caller shouldn't need to do any special work.	1931	* 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	1932	* 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	1933	* 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	1934	* 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	1935	* the archetype because that isn't correct if the monster has been
2178	* customized, changed states, etc.	1936	* customized, changed states, etc.
2179	*/	1937	*/
2180
2181	int	1938	int
2182	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	1939	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2183	{	1940	{
2184	int
2185	i,
2186	index = 0, flag;
2187	static int
2188	altern[SIZEOFFREE];	1941	int altern[SIZEOFFREE];
		1942	int index = 0, flag;
2189		1943
2190	for (i = start; i < stop; i++)	1944	for (int i = start; i < stop; i++)
2191	{	1945	{
2192	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1946	mapxy pos (m, x, y); pos.move (i);
2193	if (!flag)	1947
		1948	if (!pos.normalise ())
		1949	continue;
		1950
		1951	mapspace &ms = *pos;
		1952
		1953	if (ms.flags () & P_IS_ALIVE)
		1954	continue;
		1955
		1956	/* However, often
		1957	* ob doesn't have any move type (when used to place exits)
		1958	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1959	*/
		1960	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1961	{
2194	altern[index++] = i;	1962	altern [index++] = i;
		1963	continue;
		1964	}
2195		1965
2196	/* Basically, if we find a wall on a space, we cut down the search size.	1966	/* 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.	1967	* 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 -	1968	* 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	1969	* 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	1970	* spaces in all the other directions, this will reduce the search space
2201	* to only the spaces immediately surrounding the target area, and	1971	* to only the spaces immediately surrounding the target area, and
2202	* won't look 2 spaces south of the target space.	1972	* won't look 2 spaces south of the target space.
2203	*/	1973	*/
2204	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	1974	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1975	{
2205	stop = maxfree[i];	1976	stop = maxfree[i];
		1977	continue;
		1978	}
		1979
		1980	/* Note it is intentional that we check ob - the movement type of the
		1981	* head of the object should correspond for the entire object.
		1982	*/
		1983	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1984	continue;
		1985
		1986	if (ob->blocked (m, pos.x, pos.y))
		1987	continue;
		1988
		1989	altern [index++] = i;
2206	}	1990	}
		1991
2207	if (!index)	1992	if (!index)
2208	return -1;	1993	return -1;
		1994
2209	return altern[RANDOM () % index];	1995	return altern [rndm (index)];
2210	}	1996	}
2211		1997
2212	/*	1998	/*
2213	* find_first_free_spot(archetype, mapstruct, x, y) works like	1999	* find_first_free_spot(archetype, maptile, x, y) works like
2214	* find_free_spot(), but it will search max number of squares.	2000	* find_free_spot(), but it will search max number of squares.
2215	* But it will return the first available spot, not a random choice.	2001	* 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.	2002	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2217	*/	2003	*/
2218
2219	int	2004	int
2220	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2005	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2221	{	2006	{
2222	int
2223	i;
2224
2225	for (i = 0; i < SIZEOFFREE; i++)	2007	for (int i = 0; i < SIZEOFFREE; i++)
2226	{
2227	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2008	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2228	return i;	2009	return i;
2229	}	2010
2230	return -1;	2011	return -1;
2231	}	2012	}
2232		2013
2233	/*	2014	/*
2234	* The function permute(arr, begin, end) randomly reorders the array	2015	* The function permute(arr, begin, end) randomly reorders the array
2235	* arr[begin..end-1].	2016	* arr[begin..end-1].
		2017	* now uses a fisher-yates shuffle, old permute was broken
2236	*/	2018	*/
2237	static void	2019	static void
2238	permute (int *arr, int begin, int end)	2020	permute (int *arr, int begin, int end)
2239	{	2021	{
2240	int	2022	arr += begin;
2241	i,
2242	j,
2243	tmp,
2244	len;
2245
2246	len = end - begin;	2023	end -= begin;
2247	for (i = begin; i < end; i++)
2248	{
2249	j = begin + RANDOM () % len;
2250		2024
2251	tmp = arr[i];	2025	while (--end)
2252	arr[i] = arr[j];	2026	swap (arr [end], arr [rndm (end + 1)]);
2253	arr[j] = tmp;
2254	}
2255	}	2027	}
2256		2028
2257	/* new function to make monster searching more efficient, and effective!	2029	/* new function to make monster searching more efficient, and effective!
2258	* This basically returns a randomized array (in the passed pointer) of	2030	* 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	2031	* 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.	2034	* the 3x3 area will be searched, just not in a predictable order.
2263	*/	2035	*/
2264	void	2036	void
2265	get_search_arr (int *search_arr)	2037	get_search_arr (int *search_arr)
2266	{	2038	{
2267	int	2039	int i;
2268	i;
2269		2040
2270	for (i = 0; i < SIZEOFFREE; i++)	2041	for (i = 0; i < SIZEOFFREE; i++)
2271	{
2272	search_arr[i] = i;	2042	search_arr[i] = i;
2273	}
2274		2043
2275	permute (search_arr, 1, SIZEOFFREE1 + 1);	2044	permute (search_arr, 1, SIZEOFFREE1 + 1);
2276	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2045	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2277	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2046	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2278	}	2047	}
…		…
2287	* Perhaps incorrectly, but I'm making the assumption that exclude	2056	* 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	2057	* 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	2058	* because we have to know what movement the thing looking to move
2290	* there is capable of.	2059	* there is capable of.
2291	*/	2060	*/
2292
2293	int	2061	int
2294	find_dir (mapstruct *m, int x, int y, object *exclude)	2062	find_dir (maptile *m, int x, int y, object *exclude)
2295	{	2063	{
2296	int
2297	i,
2298	max = SIZEOFFREE, mflags;	2064	int i, max = SIZEOFFREE, mflags;
2299		2065
2300	sint16 nx, ny;	2066	sint16 nx, ny;
2301	object *	2067	object *tmp;
2302	tmp;	2068	maptile *mp;
2303	mapstruct *
2304	mp;
2305		2069
2306	MoveType blocked, move_type;	2070	MoveType blocked, move_type;
2307		2071
2308	if (exclude && exclude->head)	2072	if (exclude && exclude->head_ () != exclude)
2309	{	2073	{
2310	exclude = exclude->head;	2074	exclude = exclude->head;
2311	move_type = exclude->move_type;	2075	move_type = exclude->move_type;
2312	}	2076	}
2313	else	2077	else
…		…
2321	mp = m;	2085	mp = m;
2322	nx = x + freearr_x[i];	2086	nx = x + freearr_x[i];
2323	ny = y + freearr_y[i];	2087	ny = y + freearr_y[i];
2324		2088
2325	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2089	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2090
2326	if (mflags & P_OUT_OF_MAP)	2091	if (mflags & P_OUT_OF_MAP)
2327	{
2328	max = maxfree[i];	2092	max = maxfree[i];
2329	}
2330	else	2093	else
2331	{	2094	{
2332	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2095	mapspace &ms = mp->at (nx, ny);
		2096
		2097	blocked = ms.move_block;
2333		2098
2334	if ((move_type & blocked) == move_type)	2099	if ((move_type & blocked) == move_type)
2335	{
2336	max = maxfree[i];	2100	max = maxfree[i];
2337	}
2338	else if (mflags & P_IS_ALIVE)	2101	else if (mflags & P_IS_ALIVE)
2339	{	2102	{
2340	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2103	for (tmp = ms.bot; tmp; tmp = tmp->above)
2341	{	2104	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)))	2105	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2343	{
2344	break;	2106	break;
2345	}	2107
2346	}
2347	if (tmp)	2108	if (tmp)
2348	{
2349	return freedir[i];	2109	return freedir[i];
2350	}
2351	}	2110	}
2352	}	2111	}
2353	}	2112	}
		2113
2354	return 0;	2114	return 0;
2355	}	2115	}
2356		2116
2357	/*	2117	/*
2358	* distance(object 1, object 2) will return the square of the	2118	* distance(object 1, object 2) will return the square of the
2359	* distance between the two given objects.	2119	* distance between the two given objects.
2360	*/	2120	*/
2361
2362	int	2121	int
2363	distance (const object *ob1, const object *ob2)	2122	distance (const object *ob1, const object *ob2)
2364	{	2123	{
2365	int
2366	i;
2367
2368	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2124	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2369	return i;
2370	}	2125	}
2371		2126
2372	/*	2127	/*
2373	* find_dir_2(delta-x,delta-y) will return a direction in which	2128	* 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	2129	* an object which has subtracted the x and y coordinates of another
2375	* object, needs to travel toward it.	2130	* object, needs to travel toward it.
2376	*/	2131	*/
2377
2378	int	2132	int
2379	find_dir_2 (int x, int y)	2133	find_dir_2 (int x, int y)
2380	{	2134	{
2381	int	2135	int q;
2382	q;
2383		2136
2384	if (y)	2137	if (y)
2385	q = x * 100 / y;	2138	q = x * 100 / y;
2386	else if (x)	2139	else if (x)
2387	q = -300 * x;	2140	q = -300 * x;
…		…
2412		2165
2413	return 3;	2166	return 3;
2414	}	2167	}
2415		2168
2416	/*	2169	/*
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	2170	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2434	* between two directions (which are expected to be absolute (see absdir())	2171	* between two directions (which are expected to be absolute (see absdir())
2435	*/	2172	*/
2436
2437	int	2173	int
2438	dirdiff (int dir1, int dir2)	2174	dirdiff (int dir1, int dir2)
2439	{	2175	{
2440	int	2176	int d;
2441	d;
2442		2177
2443	d = abs (dir1 - dir2);	2178	d = abs (dir1 - dir2);
2444	if (d > 4)	2179	if (d > 4)
2445	d = 8 - d;	2180	d = 8 - d;
		2181
2446	return d;	2182	return d;
2447	}	2183	}
2448		2184
2449	/* peterm:	2185	/* peterm:
2450	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2186	* 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	2189	* 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.	2190	* 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	2191	* Moved from spell_util.c to object.c with the other related direction
2456	* functions.	2192	* functions.
2457	*/	2193	*/
2458
2459	int
2460	reduction_dir[SIZEOFFREE][3] = {	2194	int reduction_dir[SIZEOFFREE][3] = {
2461	{0, 0, 0}, /* 0 */	2195	{0, 0, 0}, /* 0 */
2462	{0, 0, 0}, /* 1 */	2196	{0, 0, 0}, /* 1 */
2463	{0, 0, 0}, /* 2 */	2197	{0, 0, 0}, /* 2 */
2464	{0, 0, 0}, /* 3 */	2198	{0, 0, 0}, /* 3 */
2465	{0, 0, 0}, /* 4 */	2199	{0, 0, 0}, /* 4 */
…		…
2513	* find a path to that monster that we found. If not,	2247	* find a path to that monster that we found. If not,
2514	* we don't bother going toward it. Returns 1 if we	2248	* we don't bother going toward it. Returns 1 if we
2515	* can see a direct way to get it	2249	* can see a direct way to get it
2516	* Modified to be map tile aware -.MSW	2250	* Modified to be map tile aware -.MSW
2517	*/	2251	*/
2518
2519
2520	int	2252	int
2521	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2253	can_see_monsterP (maptile *m, int x, int y, int dir)
2522	{	2254	{
2523	sint16 dx, dy;	2255	sint16 dx, dy;
2524	int
2525	mflags;	2256	int mflags;
2526		2257
2527	if (dir < 0)	2258	if (dir < 0)
2528	return 0; /* exit condition: invalid direction */	2259	return 0; /* exit condition: invalid direction */
2529		2260
2530	dx = x + freearr_x[dir];	2261	dx = x + freearr_x[dir];
…		…
2543	return 0;	2274	return 0;
2544		2275
2545	/* yes, can see. */	2276	/* yes, can see. */
2546	if (dir < 9)	2277	if (dir < 9)
2547	return 1;	2278	return 1;
		2279
2548	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2280	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]);	2281	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2282	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2550	}	2283	}
2551
2552
2553		2284
2554	/*	2285	/*
2555	* can_pick(picker, item): finds out if an object is possible to be	2286	* 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	2287	* picked up by the picker. Returnes 1 if it can be
2557	* picked up, otherwise 0.	2288	* picked up, otherwise 0.
…		…
2559	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2290	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2560	* core dumps if they do.	2291	* core dumps if they do.
2561	*	2292	*
2562	* Add a check so we can't pick up invisible objects (0.93.8)	2293	* Add a check so we can't pick up invisible objects (0.93.8)
2563	*/	2294	*/
2564
2565	int	2295	int
2566	can_pick (const object *who, const object *item)	2296	can_pick (const object *who, const object *item)
2567	{	2297	{
2568	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2298	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2569	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2299	(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));	2300	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2571	}	2301	}
2572		2302
2573
2574	/*	2303	/*
2575	* create clone from object to another	2304	* create clone from object to another
2576	*/	2305	*/
2577	object *	2306	object *
2578	object_create_clone (object *asrc)	2307	object_create_clone (object *asrc)
2579	{	2308	{
2580	object *
2581	dst = NULL, *tmp, *src, *part, *prev, *item;	2309	object *dst = 0, *tmp, *src, *prev, *item;
2582		2310
2583	if (!asrc)	2311	if (!asrc)
2584	return NULL;	2312	return 0;
2585	src = asrc;	2313
2586	if (src->head)
2587	src = src->head;	2314	src = asrc->head_ ();
2588		2315
2589	prev = NULL;	2316	prev = 0;
2590	for (part = src; part; part = part->more)	2317	for (object *part = src; part; part = part->more)
2591	{	2318	{
2592	tmp = get_object ();	2319	tmp = part->clone ();
2593	copy_object (part, tmp);
2594	tmp->x -= src->x;	2320	tmp->x -= src->x;
2595	tmp->y -= src->y;	2321	tmp->y -= src->y;
		2322
2596	if (!part->head)	2323	if (!part->head)
2597	{	2324	{
2598	dst = tmp;	2325	dst = tmp;
2599	tmp->head = NULL;	2326	tmp->head = 0;
2600	}	2327	}
2601	else	2328	else
2602	{
2603	tmp->head = dst;	2329	tmp->head = dst;
2604	}	2330
2605	tmp->more = NULL;	2331	tmp->more = 0;
		2332
2606	if (prev)	2333	if (prev)
2607	prev->more = tmp;	2334	prev->more = tmp;
		2335
2608	prev = tmp;	2336	prev = tmp;
2609	}	2337	}
2610		2338
2611	/*** copy inventory ***/
2612	for (item = src->inv; item; item = item->below)	2339	for (item = src->inv; item; item = item->below)
2613	{
2614	(void) insert_ob_in_ob (object_create_clone (item), dst);	2340	insert_ob_in_ob (object_create_clone (item), dst);
2615	}
2616		2341
2617	return dst;	2342	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	}	2343	}
2674		2344
2675	/* This returns the first object in who's inventory that	2345	/* This returns the first object in who's inventory that
2676	* has the same type and subtype match.	2346	* has the same type and subtype match.
2677	* returns NULL if no match.	2347	* returns NULL if no match.
2678	*/	2348	*/
2679	object *	2349	object *
2680	find_obj_by_type_subtype (const object *who, int type, int subtype)	2350	find_obj_by_type_subtype (const object *who, int type, int subtype)
2681	{	2351	{
2682	object *
2683	tmp;
2684
2685	for (tmp = who->inv; tmp; tmp = tmp->below)	2352	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2686	if (tmp->type == type && tmp->subtype == subtype)	2353	if (tmp->type == type && tmp->subtype == subtype)
2687	return tmp;	2354	return tmp;
2688		2355
2689	return NULL;	2356	return 0;
2690	}	2357	}
2691		2358
2692	/* If ob has a field named key, return the link from the list,	2359	/* If ob has a field named key, return the link from the list,
2693	* otherwise return NULL.	2360	* otherwise return NULL.
2694	*	2361	*
…		…
2696	* do the desired thing.	2363	* do the desired thing.
2697	*/	2364	*/
2698	key_value *	2365	key_value *
2699	get_ob_key_link (const object *ob, const char *key)	2366	get_ob_key_link (const object *ob, const char *key)
2700	{	2367	{
2701	key_value *
2702	link;
2703
2704	for (link = ob->key_values; link != NULL; link = link->next)	2368	for (key_value *link = ob->key_values; link; link = link->next)
2705	{
2706	if (link->key == key)	2369	if (link->key == key)
2707	{
2708	return link;	2370	return link;
2709	}
2710	}
2711		2371
2712	return NULL;	2372	return 0;
2713	}	2373	}
2714		2374
2715	/*	2375	/*
2716	* Returns the value of op has an extra_field for key, or NULL.	2376	* Returns the value of op has an extra_field for key, or NULL.
2717	*	2377	*
…		…
2742	if (link->key == canonical_key)	2402	if (link->key == canonical_key)
2743	return link->value;	2403	return link->value;
2744		2404
2745	return 0;	2405	return 0;
2746	}	2406	}
2747
2748		2407
2749	/*	2408	/*
2750	* Updates the canonical_key in op to value.	2409	* Updates the canonical_key in op to value.
2751	*	2410	*
2752	* canonical_key is a shared string (value doesn't have to be).	2411	* canonical_key is a shared string (value doesn't have to be).
…		…
2757	* Returns TRUE on success.	2416	* Returns TRUE on success.
2758	*/	2417	*/
2759	int	2418	int
2760	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2419	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2761	{	2420	{
2762	key_value *
2763	field = NULL, *last = NULL;	2421	key_value *field = NULL, *last = NULL;
2764		2422
2765	for (field = op->key_values; field != NULL; field = field->next)	2423	for (field = op->key_values; field != NULL; field = field->next)
2766	{	2424	{
2767	if (field->key != canonical_key)	2425	if (field->key != canonical_key)
2768	{	2426	{
…		…
2777	/* Basically, if the archetype has this key set,	2435	/* Basically, if the archetype has this key set,
2778	* we need to store the null value so when we save	2436	* we need to store the null value so when we save
2779	* it, we save the empty value so that when we load,	2437	* it, we save the empty value so that when we load,
2780	* we get this value back again.	2438	* we get this value back again.
2781	*/	2439	*/
2782	if (get_ob_key_link (&op->arch->clone, canonical_key))	2440	if (get_ob_key_link (op->arch, canonical_key))
2783	field->value = 0;	2441	field->value = 0;
2784	else	2442	else
2785	{	2443	{
2786	if (last)	2444	if (last)
2787	last->next = field->next;	2445	last->next = field->next;
…		…
2796	/* IF we get here, key doesn't exist */	2454	/* IF we get here, key doesn't exist */
2797		2455
2798	/* No field, we'll have to add it. */	2456	/* No field, we'll have to add it. */
2799		2457
2800	if (!add_key)	2458	if (!add_key)
2801	{
2802	return FALSE;	2459	return FALSE;
2803	}	2460
2804	/* There isn't any good reason to store a null	2461	/* There isn't any good reason to store a null
2805	* value in the key/value list. If the archetype has	2462	* value in the key/value list. If the archetype has
2806	* this key, then we should also have it, so shouldn't	2463	* this key, then we should also have it, so shouldn't
2807	* be here. If user wants to store empty strings,	2464	* be here. If user wants to store empty strings,
2808	* should pass in ""	2465	* should pass in ""
…		…
2857	}	2514	}
2858	else	2515	else
2859	item = item->env;	2516	item = item->env;
2860	}	2517	}
2861		2518
		2519	const char *
		2520	object::flag_desc (char *desc, int len) const
		2521	{
		2522	char *p = desc;
		2523	bool first = true;
		2524
		2525	*p = 0;
		2526
		2527	for (int i = 0; i < NUM_FLAGS; i++)
		2528	{
		2529	if (len <= 10) // magic constant!
		2530	{
		2531	snprintf (p, len, ",...");
		2532	break;
		2533	}
		2534
		2535	if (flag [i])
		2536	{
		2537	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2538	len -= cnt;
		2539	p += cnt;
		2540	first = false;
		2541	}
		2542	}
		2543
		2544	return desc;
		2545	}
		2546
		2547	// return a suitable string describing an object in enough detail to find it
		2548	const char *
		2549	object::debug_desc (char *info) const
		2550	{
		2551	char flagdesc[512];
		2552	char info2[256 * 4];
		2553	char *p = info;
		2554
		2555	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
		2556	count,
		2557	uuid.c_str (),
		2558	&name,
		2559	title ? "\",title:\"" : "",
		2560	title ? (const char *)title : "",
		2561	flag_desc (flagdesc, 512), type);
		2562
		2563	if (!this->flag[FLAG_REMOVED] && env)
		2564	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2565
		2566	if (map)
		2567	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
		2568
		2569	return info;
		2570	}
		2571
		2572	const char *
		2573	object::debug_desc () const
		2574	{
		2575	static char info[3][256 * 4];
		2576	static int info_idx;
		2577
		2578	return debug_desc (info [++info_idx % 3]);
		2579	}
		2580
		2581	struct region *
		2582	object::region () const
		2583	{
		2584	return map ? map->region (x, y)
		2585	: region::default_region ();
		2586	}
		2587
		2588	const materialtype_t *
		2589	object::dominant_material () const
		2590	{
		2591	if (materialtype_t *mt = name_to_material (materialname))
		2592	return mt;
		2593
		2594	return name_to_material (shstr_unknown);
		2595	}
		2596
		2597	void
		2598	object::open_container (object *new_container)
		2599	{
		2600	if (container == new_container)
		2601	return;
		2602
		2603	if (object *old_container = container)
		2604	{
		2605	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2606	return;
		2607
		2608	#if 0
		2609	// remove the "Close old_container" object.
		2610	if (object *closer = old_container->inv)
		2611	if (closer->type == CLOSE_CON)
		2612	closer->destroy ();
		2613	#endif
		2614
		2615	old_container->flag [FLAG_APPLIED] = 0;
		2616	container = 0;
		2617
		2618	esrv_update_item (UPD_FLAGS, this, old_container);
		2619	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2620	play_sound (sound_find ("chest_close"));
		2621	}
		2622
		2623	if (new_container)
		2624	{
		2625	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2626	return;
		2627
		2628	// TODO: this does not seem to serve any purpose anymore?
		2629	#if 0
		2630	// insert the "Close Container" object.
		2631	if (archetype *closer = new_container->other_arch)
		2632	{
		2633	object *closer = arch_to_object (new_container->other_arch);
		2634	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2635	new_container->insert (closer);
		2636	}
		2637	#endif
		2638
		2639	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2640
		2641	new_container->flag [FLAG_APPLIED] = 1;
		2642	container = new_container;
		2643
		2644	esrv_update_item (UPD_FLAGS, this, new_container);
		2645	esrv_send_inventory (this, new_container);
		2646	play_sound (sound_find ("chest_open"));
		2647	}
		2648	}
		2649
		2650	object *
		2651	object::force_find (const shstr name)
		2652	{
		2653	/* cycle through his inventory to look for the MARK we want to
		2654	* place
		2655	*/
		2656	for (object *tmp = inv; tmp; tmp = tmp->below)
		2657	if (tmp->type == FORCE && tmp->slaying == name)
		2658	return splay (tmp);
		2659
		2660	return 0;
		2661	}
		2662
		2663	void
		2664	object::force_add (const shstr name, int duration)
		2665	{
		2666	if (object *force = force_find (name))
		2667	force->destroy ();
		2668
		2669	object *force = get_archetype (FORCE_NAME);
		2670
		2671	force->slaying = name;
		2672	force->stats.food = 1;
		2673	force->speed_left = -1.f;
		2674
		2675	force->set_speed (duration ? 1.f / duration : 0.f);
		2676	force->flag [FLAG_IS_USED_UP] = true;
		2677	force->flag [FLAG_APPLIED] = true;
		2678
		2679	insert (force);
		2680	}
		2681
		2682	void
		2683	object::play_sound (faceidx sound)
		2684	{
		2685	if (!sound)
		2686	return;
		2687
		2688	if (flag [FLAG_REMOVED])
		2689	return;
		2690
		2691	if (env)
		2692	{
		2693	if (object *pl = in_player ())
		2694	pl->contr->play_sound (sound);
		2695	}
		2696	else
		2697	map->play_sound (sound, x, y);
		2698	}
		2699

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