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Comparing deliantra/server/common/object.C (file contents):
Revision 1.28 by root, Mon Sep 11 12:10:21 2006 UTC vs.
Revision 1.207 by root, Sun Apr 20 23:25:09 2008 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The authors can be reached via e-mail at crossfire-devel@real-time.com
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
26	variable. */	26	variable. */
		27
27	#include <global.h>	28	#include <global.h>
28	#include <stdio.h>	29	#include <stdio.h>
29	#include <sys/types.h>	30	#include <sys/types.h>
30	#include <sys/uio.h>	31	#include <sys/uio.h>
31	#include <object.h>	32	#include <object.h>
32	#include <funcpoint.h>	33	#include <funcpoint.h>
33	#include <skills.h>	34	#include <sproto.h>
34	#include <loader.h>	35	#include <loader.h>
35		36
36	int nrofallocobjects = 0;	37	#include <bitset>
37		38
38	object *objects; /* Pointer to the list of used objects */	39	UUID UUID::cur;
39	object *active_objects; /* List of active objects that need to be processed */	40	static uint64_t seq_next_save;
		41	static const uint64 UUID_GAP = 1<<19;
40		42
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,	43	objectvec objects;
		44	activevec actives;
		45
		46	short freearr_x[SIZEOFFREE] = {
		47	0,
		48	0, 1, 1, 1, 0, -1, -1, -1,
		49	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	50	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	};	51	};
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,	52	short freearr_y[SIZEOFFREE] = {
		53	0,
		54	-1, -1, 0, 1, 1, 1, 0, -1,
		55	-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	56	-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	};	57	};
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,	58	int maxfree[SIZEOFFREE] = {
		59	0,
		60	9, 10, 13, 14, 17, 18, 21, 22,
		61	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	62	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	};	63	};
50	int freedir[SIZEOFFREE] = {	64	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,	65	0,
		66	1, 2, 3, 4, 5, 6, 7, 8,
		67	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	68	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	};	69	};
54		70
		71	static void
		72	write_uuid (uval64 skip, bool sync)
		73	{
		74	CALL_BEGIN (2);
		75	CALL_ARG_SV (newSVval64 (skip));
		76	CALL_ARG_SV (boolSV (sync));
		77	CALL_CALL ("cf::write_uuid", G_DISCARD);
		78	CALL_END;
		79	}
		80
		81	static void
		82	read_uuid (void)
		83	{
		84	char filename[MAX_BUF];
		85
		86	sprintf (filename, "%s/uuid", settings.localdir);
		87
		88	seq_next_save = 0;
		89
		90	FILE *fp;
		91
		92	if (!(fp = fopen (filename, "r")))
		93	{
		94	if (errno == ENOENT)
		95	{
		96	LOG (llevInfo, "RESET uid to 1\n");
		97	UUID::cur.seq = 0;
		98	write_uuid (UUID_GAP, true);
		99	return;
		100	}
		101
		102	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
		103	_exit (1);
		104	}
		105
		106	UUID::BUF buf;
		107	buf[0] = 0;
		108	fgets (buf, sizeof (buf), fp);
		109
		110	if (!UUID::cur.parse (buf))
		111	{
		112	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
		113	_exit (1);
		114	}
		115
		116	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
		117
		118	write_uuid (UUID_GAP, true);
		119	fclose (fp);
		120	}
		121
		122	UUID
		123	UUID::gen ()
		124	{
		125	UUID uid;
		126
		127	uid.seq = ++cur.seq;
		128
		129	if (expect_false (cur.seq >= seq_next_save))
		130	{
		131	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		132	write_uuid (UUID_GAP, false);
		133	}
		134
		135
		136	return uid;
		137	}
		138
		139	void
		140	UUID::init ()
		141	{
		142	read_uuid ();
		143	}
		144
55	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	145	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
56	static int	146	static bool
57	compare_ob_value_lists_one (const object *wants, const object *has)	147	compare_ob_value_lists_one (const object *wants, const object *has)
58	{	148	{
59	key_value *wants_field;	149	key_value *wants_field;
60		150
61	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	151	/* 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	152	* objects with lists are rare, and lists stay short. If not, use a
63	* different structure or at least keep the lists sorted...	153	* different structure or at least keep the lists sorted...
64	*/	154	*/
65		155
66	/* For each field in wants, */	156	/* For each field in wants, */
67	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	157	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
68	{	158	{
69	key_value *has_field;	159	key_value *has_field;
70		160
71	/* Look for a field in has with the same key. */	161	/* Look for a field in has with the same key. */
72	has_field = get_ob_key_link (has, wants_field->key);	162	has_field = get_ob_key_link (has, wants_field->key);
73		163
74	if (has_field == NULL)	164	if (!has_field)
75	{
76	/* No field with that name. */	165	return 0; /* No field with that name. */
77	return FALSE;
78	}
79		166
80	/* Found the matching field. */	167	/* Found the matching field. */
81	if (has_field->value != wants_field->value)	168	if (has_field->value != wants_field->value)
82	{
83	/* Values don't match, so this half of the comparison is false. */	169	return 0; /* Values don't match, so this half of the comparison is false. */
84	return FALSE;
85	}
86		170
87	/* If we get here, we found a match. Now for the next field in wants. */	171	/* If we get here, we found a match. Now for the next field in wants. */
88	}	172	}
89		173
90	/* If we get here, every field in wants has a matching field in has. */	174	/* If we get here, every field in wants has a matching field in has. */
91	return TRUE;	175	return 1;
92	}	176	}
93		177
94	/* Returns TRUE if ob1 has the same key_values as ob2. */	178	/* Returns TRUE if ob1 has the same key_values as ob2. */
95	static int	179	static bool
96	compare_ob_value_lists (const object *ob1, const object *ob2)	180	compare_ob_value_lists (const object *ob1, const object *ob2)
97	{	181	{
98	/* However, there may be fields in has which aren't partnered in wants,	182	/* However, there may be fields in has which aren't partnered in wants,
99	* so we need to run the comparison *twice*. :(	183	* so we need to run the comparison *twice*. :(
100	*/	184	*/
…		…
106	*	190	*
107	* Note that this function appears a lot longer than the macro it	191	* Note that this function appears a lot longer than the macro it
108	* replaces - this is mostly for clarity - a decent compiler should hopefully	192	* replaces - this is mostly for clarity - a decent compiler should hopefully
109	* reduce this to the same efficiency.	193	* reduce this to the same efficiency.
110	*	194	*
111	* Check nrof variable *before* calling CAN_MERGE()	195	* Check nrof variable *before* calling can_merge()
112	*	196	*
113	* Improvements made with merge: Better checking on potion, and also	197	* Improvements made with merge: Better checking on potion, and also
114	* check weight	198	* check weight
115	*/	199	*/
116
117	bool object::can_merge (object *ob1, object *ob2)	200	bool object::can_merge_slow (object *ob1, object *ob2)
118	{	201	{
119	/* A couple quicksanity checks */	202	/* A couple quicksanity checks */
120	if ((ob1 == ob2) || (ob1->type != ob2->type))	203	if (ob1 == ob2
		204	|| ob1->type != ob2->type
		205	|| ob1->speed != ob2->speed
		206	|| ob1->value != ob2->value
		207	|| ob1->name != ob2->name)
121	return 0;	208	return 0;
122		209
123	if (ob1->speed != ob2->speed)	210	/* Do not merge objects if nrof would overflow. First part checks
		211	* for unsigned overflow (2c), second part checks wether the result
		212	* would fit into a 32 bit signed int, which is often used to hold
		213	* nrof values.
		214	*/
		215	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
124	return 0;	216	return 0;
125		217
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.	218	/* 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	219	* 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	220	* 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	221	* are not equal - just if it has been identified, the been_applied
137	* flags lose any meaning.	222	* flags lose any meaning.
138	*/	223	*/
139	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	224	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
140	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	225	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
141		226
142	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	227	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
143	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	228	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
144		229
145		230	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
146	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	231	|| ob1->arch != ob2->arch
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) ||	232	|| ob1->name != ob2->name
156	(ob1->title != ob2->title) ||	233	|| ob1->title != ob2->title
157	(ob1->msg != ob2->msg) ||	234	|| ob1->msg != ob2->msg
158	(ob1->weight != ob2->weight) ||	235	|| ob1->weight != ob2->weight
159	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	236	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
160	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	237	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
161	(ob1->attacktype != ob2->attacktype) ||	238	|| ob1->attacktype != ob2->attacktype
162	(ob1->magic != ob2->magic) ||	239	|| ob1->magic != ob2->magic
163	(ob1->slaying != ob2->slaying) ||	240	|| ob1->slaying != ob2->slaying
164	(ob1->skill != ob2->skill) ||	241	|| ob1->skill != ob2->skill
165	(ob1->value != ob2->value) ||	242	|| ob1->value != ob2->value
166	(ob1->animation_id != ob2->animation_id) ||	243	|| ob1->animation_id != ob2->animation_id
167	(ob1->client_type != ob2->client_type) ||	244	|| ob1->client_type != ob2->client_type
168	(ob1->materialname != ob2->materialname) ||	245	|| ob1->materialname != ob2->materialname
169	(ob1->lore != ob2->lore) ||	246	|| ob1->lore != ob2->lore
170	(ob1->subtype != ob2->subtype) ||	247	|| ob1->subtype != ob2->subtype
171	(ob1->move_type != ob2->move_type) ||	248	|| ob1->move_type != ob2->move_type
172	(ob1->move_block != ob2->move_block) ||	249	|| ob1->move_block != ob2->move_block
173	(ob1->move_allow != ob2->move_allow) ||	250	|| ob1->move_allow != ob2->move_allow
174	(ob1->move_on != ob2->move_on) ||	251	|| 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))	252	|| ob1->move_off != ob2->move_off
		253	|| ob1->move_slow != ob2->move_slow
		254	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
176	return 0;	255	return 0;
177		256
178	/* This is really a spellbook check - really, we should	257	/* This is really a spellbook check - we should in general
179	* check all objects in the inventory.	258	* not merge objects with real inventories, as splitting them
		259	* is hard.
180	*/	260	*/
181	if (ob1->inv || ob2->inv)	261	if (ob1->inv || ob2->inv)
182	{	262	{
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))	263	if (!(ob1->inv && ob2->inv))
189	return 0;	264	return 0; /* inventories differ in length */
		265
		266	if (ob1->inv->below || ob2->inv->below)
		267	return 0; /* more than one object in inv */
		268
		269	if (!object::can_merge (ob1->inv, ob2->inv))
		270	return 0; /* inventory objects differ */
190		271
191	/* inventory ok - still need to check rest of this object to see	272	/* inventory ok - still need to check rest of this object to see
192	* if it is valid.	273	* if it is valid.
193	*/	274	*/
194	}	275	}
…		…
202		283
203	/* Note sure why the following is the case - either the object has to	284	/* 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	285	* be animated or have a very low speed. Is this an attempted monster
205	* check?	286	* check?
206	*/	287	*/
207	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	288	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
208	return 0;	289	return 0;
209		290
210	switch (ob1->type)	291	switch (ob1->type)
211	{	292	{
212	case SCROLL:	293	case SCROLL:
213	if (ob1->level != ob2->level)	294	if (ob1->level != ob2->level)
214	return 0;	295	return 0;
215	break;	296	break;
216	}	297	}
217		298
218	if (ob1->key_values != NULL || ob2->key_values != NULL)	299	if (ob1->key_values || ob2->key_values)
219	{	300	{
220	/* At least one of these has key_values. */	301	/* At least one of these has key_values. */
221	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	302	if ((!ob1->key_values) != (!ob2->key_values))
222	/* One has fields, but the other one doesn't. */	303	/* One has fields, but the other one doesn't. */
223	return 0;	304	return 0;
224	else if (!compare_ob_value_lists (ob1, ob2))	305	else if (!compare_ob_value_lists (ob1, ob2))
225	return 0;	306	return 0;
226	}	307	}
227		308
228	//TODO: generate an event or call into perl for additional checks
229	if (ob1->self || ob2->self)	309	if (ob1->self || ob2->self)
230	{	310	{
231	ob1->optimise ();	311	ob1->optimise ();
232	ob2->optimise ();	312	ob2->optimise ();
233		313
234	if (ob1->self || ob2->self)	314	if (ob1->self || ob2->self)
		315	{
		316	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		317	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		318
		319	if (k1 != k2)
235	return 0;	320	return 0;
		321	else if (k1 == 0)
		322	return 1;
		323	else if (!cfperl_can_merge (ob1, ob2))
		324	return 0;
		325	}
236	}	326	}
237		327
238	/* Everything passes, must be OK. */	328	/* Everything passes, must be OK. */
239	return 1;	329	return 1;
240	}	330	}
241		331
		332	static sint32
		333	weight_adjust (object *op, sint32 weight)
		334	{
		335	return op->type == CONTAINER
		336	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		337	: weight;
		338	}
		339
242	/*	340	/*
		341	* add_weight(object, weight) adds the specified weight to an object,
		342	* and also updates how much the environment(s) is/are carrying.
		343	*/
		344	static void
		345	add_weight (object *op, sint32 weight)
		346	{
		347	while (op)
		348	{
		349	weight = weight_adjust (op, weight);
		350
		351	op->carrying += weight;
		352	op = op->env;
		353	}
		354	}
		355
		356	/*
		357	* sub_weight() recursively (outwards) subtracts a number from the
		358	* weight of an object (and what is carried by it's environment(s)).
		359	*/
		360	static void
		361	sub_weight (object *op, long weight)
		362	{
		363	add_weight (op, -weight);
		364	}
		365
		366	/*
243	* sum_weight() is a recursive function which calculates the weight	367	* this is a recursive function which calculates the weight
244	* an object is carrying. It goes through in figures out how much	368	* an object is carrying. It goes through op and figures out how much
245	* containers are carrying, and sums it up.	369	* containers are carrying, and sums it up.
246	*/	370	*/
247	long	371	void
248	sum_weight (object *op)	372	object::update_weight ()
249	{	373	{
250	long sum;	374	sint32 sum = 0;
251	object *inv;
252		375
253	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	376	for (object *op = inv; op; op = op->below)
254	{	377	{
255	if (inv->inv)	378	if (op->inv)
256	sum_weight (inv);	379	op->update_weight ();
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		380
266	/**	381	sum += op->total_weight ();
267	* Return the outermost environment object for a given object.	382	}
268	*/
269		383
270	object *	384	carrying = weight_adjust (this, sum);
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	}	385	}
292		386
293	/*	387	/*
294	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	388	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
295	* Some error messages.	389	* Some error messages.
296	* The result of the dump is stored in the static global errmsg array.	390	* The result of the dump is stored in the static global errmsg array.
297	*/	391	*/
298		392	char *
299	void
300	dump_object2 (object *op)
301	{
302	errmsg[0] = 0;
303	return;
304	//TODO//D#d#
305	#if 0
306	char *cp;
307
308	/* object *tmp;*/
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	}
330	else
331	{
332	strcat (errmsg, "Object ");
333	if (op->name == NULL)
334	strcat (errmsg, "(null)");
335	else
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	}
346	#endif
347	}
348
349	/*
350	* Dumps an object. Returns output in the static global errmsg array.
351	*/
352
353	void
354	dump_object (object *op)	393	dump_object (object *op)
355	{	394	{
356	if (op == NULL)	395	if (!op)
357	{	396	return strdup ("[NULLOBJ]");
358	strcpy (errmsg, "[NULL pointer]");
359	return;
360	}
361	errmsg[0] = '\0';
362	dump_object2 (op);
363	}
364		397
365	void	398	object_freezer freezer;
366	dump_all_objects (void)	399	op->write (freezer);
367	{	400	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	}	401	}
376		402
377	/*	403	/*
378	* get_nearest_part(multi-object, object 2) returns the part of the	404	* get_nearest_part(multi-object, object 2) returns the part of the
379	* multi-object 1 which is closest to the second object.	405	* multi-object 1 which is closest to the second object.
380	* If it's not a multi-object, it is returned.	406	* If it's not a multi-object, it is returned.
381	*/	407	*/
382
383	object *	408	object *
384	get_nearest_part (object *op, const object *pl)	409	get_nearest_part (object *op, const object *pl)
385	{	410	{
386	object *tmp, *closest;	411	object *tmp, *closest;
387	int last_dist, i;	412	int last_dist, i;
…		…
395	}	420	}
396		421
397	/*	422	/*
398	* Returns the object which has the count-variable equal to the argument.	423	* Returns the object which has the count-variable equal to the argument.
399	*/	424	*/
400
401	object *	425	object *
402	find_object (tag_t i)	426	find_object (tag_t i)
403	{	427	{
404	object *op;	428	for_all_objects (op)
405
406	for (op = objects; op != NULL; op = op->next)
407	if (op->count == i)	429	if (op->count == i)
408	break;
409	return op;	430	return op;
		431
		432	return 0;
410	}	433	}
411		434
412	/*	435	/*
413	* Returns the first object which has a name equal to the argument.	436	* Returns the first object which has a name equal to the argument.
414	* Used only by the patch command, but not all that useful.	437	* Used only by the patch command, but not all that useful.
415	* Enables features like "patch <name-of-other-player> food 999"	438	* Enables features like "patch <name-of-other-player> food 999"
416	*/	439	*/
417
418	object *	440	object *
419	find_object_name (const char *str)	441	find_object_name (const char *str)
420	{	442	{
421	const char *name = shstr::find (str);	443	shstr_cmp str_ (str);
422	object *op;	444	object *op;
423		445
424	for (op = objects; op != NULL; op = op->next)	446	for_all_objects (op)
425	if (&op->name == name)	447	if (op->name == str_)
426	break;	448	break;
427		449
428	return op;	450	return op;
429	}
430
431	void
432	free_all_object_data ()
433	{
434	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
435	}
436
437	/*
438	* Returns the object which this object marks as being the owner.
439	* A id-scheme is used to avoid pointing to objects which have been
440	* freed and are now reused. If this is detected, the owner is
441	* set to NULL, and NULL is returned.
442	* Changed 2004-02-12 - if the player is setting at the play again
443	* prompt, he is removed, and we don't want to treat him as an owner of
444	* anything, so check removed flag. I don't expect that this should break
445	* anything - once an object is removed, it is basically dead anyways.
446	*/
447
448	object *
449	get_owner (object *op)
450	{
451	if (op->owner == NULL)
452	return NULL;
453
454	if (!QUERY_FLAG (op->owner, FLAG_FREED) && !QUERY_FLAG (op->owner, FLAG_REMOVED) && op->owner->count == op->ownercount)
455	return op->owner;
456
457	op->owner = NULL;
458	op->ownercount = 0;
459	return NULL;
460	}
461
462	void
463	clear_owner (object *op)
464	{
465	if (!op)
466	return;
467
468	if (op->owner && op->ownercount == op->owner->count)
469	op->owner->refcount--;
470
471	op->owner = NULL;
472	op->ownercount = 0;
473	}	451	}
474		452
475	/*	453	/*
476	* Sets the owner and sets the skill and exp pointers to owner's current	454	* Sets the owner and sets the skill and exp pointers to owner's current
477	* skill and experience objects.	455	* skill and experience objects.
		456	* ACTUALLY NO! investigate! TODO
478	*/	457	*/
479	void	458	void
480	set_owner (object *op, object *owner)	459	object::set_owner (object *owner)
481	{	460	{
482	if (owner == NULL || op == NULL)	461	// allow objects which own objects
483	return;	462	if (owner)
484		463	while (owner->owner)
485	/* next line added to allow objects which own objects */
486	/* Add a check for ownercounts in here, as I got into an endless loop
487	* with the fireball owning a poison cloud which then owned the
488	* fireball. I believe that was caused by one of the objects getting
489	* freed and then another object replacing it. Since the ownercounts
490	* didn't match, this check is valid and I believe that cause is valid.
491	*/
492	while (owner->owner && owner != owner->owner && owner->ownercount == owner->owner->count)
493	owner = owner->owner;	464	owner = owner->owner;
494		465
495	/* IF the owner still has an owner, we did not resolve to a final owner.	466	if (flag [FLAG_FREED])
496	* so lets not add to that.
497	*/
498	if (owner->owner)
499	return;
500
501	op->owner = owner;
502
503	op->ownercount = owner->count;
504	owner->refcount++;
505	}
506
507	/* Set the owner to clone's current owner and set the skill and experience
508	* objects to clone's objects (typically those objects that where the owner's
509	* current skill and experience objects at the time when clone's owner was
510	* set - not the owner's current skill and experience objects).
511	*
512	* Use this function if player created an object (e.g. fire bullet, swarm
513	* spell), and this object creates further objects whose kills should be
514	* accounted for the player's original skill, even if player has changed
515	* skills meanwhile.
516	*/
517	void
518	copy_owner (object *op, object *clone)
519	{
520	object *owner = get_owner (clone);
521
522	if (owner == NULL)
523	{	467	{
524	/* players don't have owners - they own themselves. Update	468	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
525	* as appropriate.
526	*/
527	if (clone->type == PLAYER)
528	owner = clone;
529	else
530	return;	469	return;
		470	}
		471
		472	this->owner = owner;
		473	}
		474
		475	int
		476	object::slottype () const
		477	{
		478	if (type == SKILL)
531	}	479	{
		480	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		481	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		482	}
		483	else
		484	{
		485	if (slot [body_combat].info) return slot_combat;
		486	if (slot [body_range ].info) return slot_ranged;
		487	}
		488
		489	return slot_none;
		490	}
532		491
533	set_owner (op, owner);	492	bool
		493	object::change_weapon (object *ob)
		494	{
		495	if (current_weapon == ob)
		496	return true;
		497
		498	if (chosen_skill)
		499	chosen_skill->flag [FLAG_APPLIED] = false;
		500
		501	current_weapon = ob;
		502	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		503
		504	if (chosen_skill)
		505	chosen_skill->flag [FLAG_APPLIED] = true;
		506
		507	update_stats ();
		508
		509	if (ob)
		510	{
		511	// now check wether any body locations became invalid, in which case
		512	// we cannot apply the weapon at the moment.
		513	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		514	if (slot[i].used < 0)
		515	{
		516	current_weapon = chosen_skill = 0;
		517	update_stats ();
		518
		519	new_draw_info_format (NDI_UNIQUE, 0, this,
		520	"You try to balance all your items at once, "
		521	"but the %s is just too much for your body. "
		522	"[You need to unapply some items first.]", &ob->name);
		523	return false;
		524	}
		525
		526	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		527	}
		528	else
		529	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		530
		531	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		532	{
		533	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		534	&name, ob->debug_desc ());
		535	return false;
		536	}
		537
		538	return true;
534	}	539	}
535		540
536	/* Zero the key_values on op, decrementing the shared-string	541	/* Zero the key_values on op, decrementing the shared-string
537	* refcounts and freeing the links.	542	* refcounts and freeing the links.
538	*/	543	*/
539	static void	544	static void
540	free_key_values (object *op)	545	free_key_values (object *op)
541	{	546	{
542	for (key_value *i = op->key_values; i != 0;)	547	for (key_value *i = op->key_values; i; )
543	{	548	{
544	key_value *next = i->next;	549	key_value *next = i->next;
545	delete i;	550	delete i;
546		551
547	i = next;	552	i = next;
548	}	553	}
549		554
550	op->key_values = 0;	555	op->key_values = 0;
551	}	556	}
552		557
553	void object::clear ()	558	object &
		559	object::operator =(const object &src)
554	{	560	{
555	attachable_base::clear ();	561	bool is_freed = flag [FLAG_FREED];
		562	bool is_removed = flag [FLAG_REMOVED];
556		563
557	free_key_values (this);	564	*(object_copy *)this = src;
558		565
559	clear_owner (this);	566	flag [FLAG_FREED] = is_freed;
560		567	flag [FLAG_REMOVED] = is_removed;
561	name = 0;
562	name_pl = 0;
563	title = 0;
564	race = 0;
565	slaying = 0;
566	skill = 0;
567	msg = 0;
568	lore = 0;
569	custom_name = 0;
570	materialname = 0;
571
572	memset (static_cast < object_pod * >(this), 0, sizeof (object_pod));
573
574	SET_FLAG (this, FLAG_REMOVED);
575	}
576
577	void object::clone (object *destination)
578	{
579	*(object_copy *) destination = *this;
580	*(object_pod *) destination = *this;
581
582	if (self || cb)
583	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
584	}
585
586	/*
587	* clear_object() frees everything allocated by an object, and also
588	* clears all variables and flags to default settings.
589	*/
590
591	void
592	clear_object (object *op)
593	{
594	op->clear ();
595
596	op->contr = NULL;
597	op->below = NULL;
598	op->above = NULL;
599	op->inv = NULL;
600	op->container = NULL;
601	op->env = NULL;
602	op->more = NULL;
603	op->head = NULL;
604	op->map = NULL;
605	op->refcount = 0;
606	op->active_next = NULL;
607	op->active_prev = NULL;
608	/* What is not cleared is next, prev, and count */
609
610	op->expmul = 1.0;
611	op->face = blank_face;
612	op->attacked_by_count = -1;
613
614	if (settings.casting_time)
615	op->casting_time = -1;
616	}
617
618	/*
619	* copy object first frees everything allocated by the second object,
620	* and then copies the contends of the first object into the second
621	* object, allocating what needs to be allocated. Basically, any
622	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
623	* if the first object is freed, the pointers in the new object
624	* will point at garbage.
625	*/
626
627	void
628	copy_object (object *op2, object *op)
629	{
630	bool is_freed = QUERY_FLAG (op, FLAG_FREED);
631	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
632
633	op2->clone (op);
634
635	if (is_freed)
636	SET_FLAG (op, FLAG_FREED);
637	if (is_removed)
638	SET_FLAG (op, FLAG_REMOVED);
639
640	if (op2->speed < 0)
641	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
642		568
643	/* Copy over key_values, if any. */	569	/* Copy over key_values, if any. */
644	if (op2->key_values)	570	if (src.key_values)
645	{	571	{
646	key_value *tail = 0;	572	key_value *tail = 0;
647	key_value *i;
648
649	op->key_values = 0;	573	key_values = 0;
650		574
651	for (i = op2->key_values; i; i = i->next)	575	for (key_value *i = src.key_values; i; i = i->next)
652	{	576	{
653	key_value *new_link = new key_value;	577	key_value *new_link = new key_value;
654		578
655	new_link->next = 0;	579	new_link->next = 0;
656	new_link->key = i->key;	580	new_link->key = i->key;
657	new_link->value = i->value;	581	new_link->value = i->value;
658		582
659	/* Try and be clever here, too. */	583	/* Try and be clever here, too. */
660	if (!op->key_values)	584	if (!key_values)
661	{	585	{
662	op->key_values = new_link;	586	key_values = new_link;
663	tail = new_link;	587	tail = new_link;
664	}	588	}
665	else	589	else
666	{	590	{
667	tail->next = new_link;	591	tail->next = new_link;
668	tail = new_link;	592	tail = new_link;
669	}	593	}
670	}	594	}
671	}	595	}
		596	}
672		597
673	update_ob_speed (op);	598	/*
		599	* copy_to first frees everything allocated by the dst object,
		600	* and then copies the contents of itself into the second
		601	* object, allocating what needs to be allocated. Basically, any
		602	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		603	* if the first object is freed, the pointers in the new object
		604	* will point at garbage.
		605	*/
		606	void
		607	object::copy_to (object *dst)
		608	{
		609	*dst = *this;
		610
		611	if (speed < 0)
		612	dst->speed_left -= rndm ();
		613
		614	dst->set_speed (dst->speed);
		615	}
		616
		617	void
		618	object::instantiate ()
		619	{
		620	if (!uuid.seq) // HACK
		621	uuid = UUID::gen ();
		622
		623	speed_left = -0.1f;
		624	/* copy the body_info to the body_used - this is only really
		625	* need for monsters, but doesn't hurt to do it for everything.
		626	* by doing so, when a monster is created, it has good starting
		627	* values for the body_used info, so when items are created
		628	* for it, they can be properly equipped.
		629	*/
		630	for (int i = NUM_BODY_LOCATIONS; i--; )
		631	slot[i].used = slot[i].info;
		632
		633	attachable::instantiate ();
		634	}
		635
		636	object *
		637	object::clone ()
		638	{
		639	object *neu = create ();
		640	copy_to (neu);
		641	return neu;
674	}	642	}
675		643
676	/*	644	/*
677	* If an object with the IS_TURNABLE() flag needs to be turned due	645	* If an object with the IS_TURNABLE() flag needs to be turned due
678	* to the closest player being on the other side, this function can	646	* to the closest player being on the other side, this function can
679	* be called to update the face variable, _and_ how it looks on the map.	647	* be called to update the face variable, _and_ how it looks on the map.
680	*/	648	*/
681
682	void	649	void
683	update_turn_face (object *op)	650	update_turn_face (object *op)
684	{	651	{
685	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	652	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
686	return;	653	return;
		654
687	SET_ANIMATION (op, op->direction);	655	SET_ANIMATION (op, op->direction);
688	update_object (op, UP_OBJ_FACE);	656	update_object (op, UP_OBJ_FACE);
689	}	657	}
690		658
691	/*	659	/*
692	* Updates the speed of an object. If the speed changes from 0 to another	660	* Updates the speed of an object. If the speed changes from 0 to another
693	* value, or vice versa, then add/remove the object from the active list.	661	* value, or vice versa, then add/remove the object from the active list.
694	* This function needs to be called whenever the speed of an object changes.	662	* This function needs to be called whenever the speed of an object changes.
695	*/	663	*/
696
697	void	664	void
698	update_ob_speed (object *op)	665	object::set_speed (float speed)
699	{	666	{
700	extern int arch_init;	667	if (flag [FLAG_FREED] && speed)
701
702	/* No reason putting the archetypes objects on the speed list,
703	* since they never really need to be updated.
704	*/
705
706	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
707	{	668	{
708	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	669	LOG (llevError, "Object %s is freed but has speed.\n", &name);
709	#ifdef MANY_CORES
710	abort ();
711	#else
712	op->speed = 0;	670	speed = 0;
713	#endif
714	}
715	if (arch_init)
716	{	671	}
717	return;
718	}
719	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
720	{
721	/* If already on active list, don't do anything */
722	if (op->active_next || op->active_prev || op == active_objects)
723	return;
724		672
725	/* process_events() expects us to insert the object at the beginning	673	this->speed = speed;
726	* of the list. */	674
727	op->active_next = active_objects;	675	if (has_active_speed ())
728	if (op->active_next != NULL)	676	activate ();
729	op->active_next->active_prev = op;
730	active_objects = op;
731	}
732	else	677	else
733	{	678	deactivate ();
734	/* If not on the active list, nothing needs to be done */
735	if (!op->active_next && !op->active_prev && op != active_objects)
736	return;
737
738	if (op->active_prev == NULL)
739	{
740	active_objects = op->active_next;
741	if (op->active_next != NULL)
742	op->active_next->active_prev = NULL;
743	}
744	else
745	{
746	op->active_prev->active_next = op->active_next;
747	if (op->active_next)
748	op->active_next->active_prev = op->active_prev;
749	}
750	op->active_next = NULL;
751	op->active_prev = NULL;
752	}
753	}	679	}
754		680
755	/* This function removes object 'op' from the list of active
756	* objects.
757	* This should only be used for style maps or other such
758	* reference maps where you don't want an object that isn't
759	* in play chewing up cpu time getting processed.
760	* The reverse of this is to call update_ob_speed, which
761	* will do the right thing based on the speed of the object.
762	*/
763	void
764	remove_from_active_list (object *op)
765	{
766	/* If not on the active list, nothing needs to be done */
767	if (!op->active_next && !op->active_prev && op != active_objects)
768	return;
769
770	if (op->active_prev == NULL)
771	{
772	active_objects = op->active_next;
773	if (op->active_next != NULL)
774	op->active_next->active_prev = NULL;
775	}
776	else
777	{
778	op->active_prev->active_next = op->active_next;
779	if (op->active_next)
780	op->active_next->active_prev = op->active_prev;
781	}
782	op->active_next = NULL;
783	op->active_prev = NULL;
784	}
785
786	/*	681	/*
787	* update_object() updates the array which represents the map.	682	* update_object() updates the the map.
788	* It takes into account invisible objects (and represent squares covered	683	* It takes into account invisible objects (and represent squares covered
789	* by invisible objects by whatever is below them (unless it's another	684	* by invisible objects by whatever is below them (unless it's another
790	* invisible object, etc...)	685	* invisible object, etc...)
791	* If the object being updated is beneath a player, the look-window	686	* If the object being updated is beneath a player, the look-window
792	* of that player is updated (this might be a suboptimal way of	687	* of that player is updated (this might be a suboptimal way of
793	* updating that window, though, since update_object() is called _often_)	688	* updating that window, though, since update_object() is called _often_)
794	*	689	*
795	* action is a hint of what the caller believes need to be done.	690	* action is a hint of what the caller believes need to be done.
796	* For example, if the only thing that has changed is the face (due to
797	* an animation), we don't need to call update_position until that actually
798	* comes into view of a player. OTOH, many other things, like addition/removal
799	* of walls or living creatures may need us to update the flags now.
800	* current action are:	691	* current action are:
801	* UP_OBJ_INSERT: op was inserted	692	* UP_OBJ_INSERT: op was inserted
802	* UP_OBJ_REMOVE: op was removed	693	* UP_OBJ_REMOVE: op was removed
803	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	694	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
804	* as that is easier than trying to look at what may have changed.	695	* as that is easier than trying to look at what may have changed.
805	* UP_OBJ_FACE: only the objects face has changed.	696	* UP_OBJ_FACE: only the objects face has changed.
806	*/	697	*/
807
808	void	698	void
809	update_object (object *op, int action)	699	update_object (object *op, int action)
810	{	700	{
811	int update_now = 0, flags;
812	MoveType move_on, move_off, move_block, move_slow;
813
814	if (op == NULL)	701	if (op == NULL)
815	{	702	{
816	/* this should never happen */	703	/* this should never happen */
817	LOG (llevDebug, "update_object() called for NULL object.\n");	704	LOG (llevDebug, "update_object() called for NULL object.\n");
818	return;	705	return;
819	}	706	}
820		707
821	if (op->env != NULL)	708	if (op->env)
822	{	709	{
823	/* Animation is currently handled by client, so nothing	710	/* Animation is currently handled by client, so nothing
824	* to do in this case.	711	* to do in this case.
825	*/	712	*/
826	return;	713	return;
…		…
831	*/	718	*/
832	if (!op->map || op->map->in_memory == MAP_SAVING)	719	if (!op->map || op->map->in_memory == MAP_SAVING)
833	return;	720	return;
834		721
835	/* make sure the object is within map boundaries */	722	/* make sure the object is within map boundaries */
836	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	723	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
837	{	724	{
838	LOG (llevError, "update_object() called for object out of map!\n");	725	LOG (llevError, "update_object() called for object out of map!\n");
839	#ifdef MANY_CORES	726	#ifdef MANY_CORES
840	abort ();	727	abort ();
841	#endif	728	#endif
842	return;	729	return;
843	}	730	}
844		731
845	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	732	mapspace &m = op->ms ();
846	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
847	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
848	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
849	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
850	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
851		733
		734	if (!(m.flags_ & P_UPTODATE))
		735	/* nop */;
852	if (action == UP_OBJ_INSERT)	736	else if (action == UP_OBJ_INSERT)
853	{	737	{
		738	// this is likely overkill, TODO: revisit (schmorp)
854	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	739	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
855	update_now = 1;
856
857	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	740	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
858	update_now = 1;	741	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
859		742	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		743	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
860	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	744	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
861	update_now = 1;
862
863	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
864	update_now = 1;
865
866	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
867	update_now = 1;
868
869	if ((move_on | op->move_on) != move_on)	745	|| (m.move_on | op->move_on ) != m.move_on
870	update_now = 1;
871
872	if ((move_off | op->move_off) != move_off)	746	|| (m.move_off | op->move_off ) != m.move_off
873	update_now = 1;	747	|| (m.move_slow | op->move_slow) != m.move_slow
874
875	/* This isn't perfect, but I don't expect a lot of objects to	748	/* This isn't perfect, but I don't expect a lot of objects to
876	* to have move_allow right now.	749	* to have move_allow right now.
877	*/	750	*/
878	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	751	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
879	update_now = 1;	752	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
880		753	m.flags_ = 0;
881	if ((move_slow | op->move_slow) != move_slow)
882	update_now = 1;
883	}	754	}
884	/* if the object is being removed, we can't make intelligent	755	/* if the object is being removed, we can't make intelligent
885	* decisions, because remove_ob can't really pass the object	756	* decisions, because remove_ob can't really pass the object
886	* that is being removed.	757	* that is being removed.
887	*/	758	*/
888	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	759	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
889	update_now = 1;	760	m.flags_ = 0;
890	else if (action == UP_OBJ_FACE)	761	else if (action == UP_OBJ_FACE)
891	/* Nothing to do for that case */;	762	/* Nothing to do for that case */ ;
892	else	763	else
893	LOG (llevError, "update_object called with invalid action: %d\n", action);	764	LOG (llevError, "update_object called with invalid action: %d\n", action);
894		765
895	if (update_now)
896	{
897	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
898	update_position (op->map, op->x, op->y);
899	}
900
901	if (op->more != NULL)	766	if (op->more)
902	update_object (op->more, action);	767	update_object (op->more, action);
903	}
904
905	static unordered_vector<object *> mortals;
906	static std::vector<object *> freed;
907
908	void object::free_mortals ()
909	{
910	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end (); )
911	if (!(*i)->refcount)
912	{
913	freed.push_back (*i);
914	mortals.erase (i);
915	}
916	else
917	++i;
918	}	768	}
919		769
920	object::object ()	770	object::object ()
921	{	771	{
922	SET_FLAG (this, FLAG_REMOVED);	772	SET_FLAG (this, FLAG_REMOVED);
923		773
924	expmul = 1.0;	774	expmul = 1.0;
925	face = blank_face;	775	face = blank_face;
926	attacked_by_count = -1;
927	}	776	}
928		777
929	object::~object ()	778	object::~object ()
930	{	779	{
		780	unlink ();
		781
931	free_key_values (this);	782	free_key_values (this);
932	}	783	}
933		784
		785	static int object_count;
		786
934	void object::link ()	787	void object::link ()
935	{	788	{
		789	assert (!index);//D
		790	uuid = UUID::gen ();
936	count = ++ob_count;	791	count = ++object_count;
937		792
938	prev = 0;	793	refcnt_inc ();
939	next = objects;	794	objects.insert (this);
940
941	if (objects)
942	objects->prev = this;
943
944	objects = this;
945	}	795	}
946		796
947	void object::unlink ()	797	void object::unlink ()
948	{	798	{
949	count = 0;
950
951	/* Remove this object from the list of used objects */
952	if (prev)
953	{
954	prev->next = next;
955	prev = 0;
956	}
957
958	if (next)	799	if (!index)
959	{	800	return;
960	next->prev = prev;	801
961	next = 0;	802	objects.erase (this);
		803	refcnt_dec ();
		804	}
		805
		806	void
		807	object::activate ()
		808	{
		809	/* If already on active list, don't do anything */
		810	if (active)
		811	return;
		812
		813	if (has_active_speed ())
		814	actives.insert (this);
		815	}
		816
		817	void
		818	object::activate_recursive ()
		819	{
		820	activate ();
		821
		822	for (object *op = inv; op; op = op->below)
		823	op->activate_recursive ();
		824	}
		825
		826	/* This function removes object 'op' from the list of active
		827	* objects.
		828	* This should only be used for style maps or other such
		829	* reference maps where you don't want an object that isn't
		830	* in play chewing up cpu time getting processed.
		831	* The reverse of this is to call update_ob_speed, which
		832	* will do the right thing based on the speed of the object.
		833	*/
		834	void
		835	object::deactivate ()
		836	{
		837	/* If not on the active list, nothing needs to be done */
		838	if (!active)
		839	return;
		840
		841	actives.erase (this);
		842	}
		843
		844	void
		845	object::deactivate_recursive ()
		846	{
		847	for (object *op = inv; op; op = op->below)
		848	op->deactivate_recursive ();
		849
		850	deactivate ();
		851	}
		852
		853	void
		854	object::set_flag_inv (int flag, int value)
		855	{
		856	for (object *op = inv; op; op = op->below)
962	}	857	{
		858	op->flag [flag] = value;
		859	op->set_flag_inv (flag, value);
		860	}
		861	}
963		862
964	if (this == objects)	863	/*
965	objects = next;	864	* Remove and free all objects in the inventory of the given object.
		865	* object.c ?
		866	*/
		867	void
		868	object::destroy_inv (bool drop_to_ground)
		869	{
		870	// need to check first, because the checks below might segfault
		871	// as we might be on an invalid mapspace and crossfire code
		872	// is too buggy to ensure that the inventory is empty.
		873	// corollary: if you create arrows etc. with stuff in tis inventory,
		874	// cf will crash below with off-map x and y
		875	if (!inv)
		876	return;
		877
		878	/* Only if the space blocks everything do we not process -
		879	* if some form of movement is allowed, let objects
		880	* drop on that space.
		881	*/
		882	if (!drop_to_ground
		883	|| !map
		884	|| map->in_memory != MAP_ACTIVE
		885	|| map->nodrop
		886	|| ms ().move_block == MOVE_ALL)
		887	{
		888	while (inv)
		889	{
		890	inv->destroy_inv (drop_to_ground);
		891	inv->destroy ();
		892	}
		893	}
		894	else
		895	{ /* Put objects in inventory onto this space */
		896	while (inv)
		897	{
		898	object *op = inv;
		899
		900	if (op->flag [FLAG_STARTEQUIP]
		901	|| op->flag [FLAG_NO_DROP]
		902	|| op->type == RUNE
		903	|| op->type == TRAP
		904	|| op->flag [FLAG_IS_A_TEMPLATE]
		905	|| op->flag [FLAG_DESTROY_ON_DEATH])
		906	op->destroy ();
		907	else
		908	map->insert (op, x, y);
		909	}
		910	}
966	}	911	}
967		912
968	object *object::create ()	913	object *object::create ()
969	{	914	{
970	object *op;
971
972	if (freed.empty ())
973	op = new object;	915	object *op = new object;
974	else
975	{
976	// highly annoying, but the only way to get it stable right now
977	op = freed.back (); freed.pop_back ();
978	op->~object ();
979	new ((void *)op) object;
980	}
981
982	op->link ();	916	op->link ();
983	return op;	917	return op;
984	}	918	}
985		919
986	/*	920	void
987	* free_object() frees everything allocated by an object, removes	921	object::do_destroy ()
988	* it from the list of used objects, and puts it on the list of
989	* free objects. The IS_FREED() flag is set in the object.
990	* The object must have been removed by remove_ob() first for
991	* this function to succeed.
992	*
993	* If free_inventory is set, free inventory as well. Else drop items in
994	* inventory to the ground.
995	*/
996	void object::free (bool free_inventory)
997	{	922	{
998	if (!QUERY_FLAG (this, FLAG_REMOVED))	923	attachable::do_destroy ();
999	{
1000	LOG (llevDebug, "Free object called with non removed object\n");
1001	dump_object (this);
1002	#ifdef MANY_CORES
1003	abort ();
1004	#endif
1005	}
1006		924
1007	if (QUERY_FLAG (this, FLAG_FRIENDLY))	925	if (flag [FLAG_IS_LINKED])
1008	{	926	remove_button_link (this);
1009	LOG (llevMonster, "Warning: tried to free friendly object.\n");	927
		928	if (flag [FLAG_FRIENDLY])
1010	remove_friendly_object (this);	929	remove_friendly_object (this);
1011	}
1012		930
1013	if (QUERY_FLAG (this, FLAG_FREED))	931	if (!flag [FLAG_REMOVED])
		932	remove ();
		933
		934	destroy_inv (true);
		935
		936	deactivate ();
		937	unlink ();
		938
		939	flag [FLAG_FREED] = 1;
		940
		941	// hack to ensure that freed objects still have a valid map
		942	{
		943	static maptile *freed_map; // freed objects are moved here to avoid crashes
		944
		945	if (!freed_map)
1014	{	946	{
1015	dump_object (this);	947	freed_map = new maptile;
1016	LOG (llevError, "Trying to free freed object.\n%s\n", errmsg);	948
1017	return;	949	freed_map->path = "<freed objects map>";
		950	freed_map->name = "/internal/freed_objects_map";
		951	freed_map->width = 3;
		952	freed_map->height = 3;
		953	freed_map->nodrop = 1;
		954
		955	freed_map->alloc ();
		956	freed_map->in_memory = MAP_ACTIVE;
1018	}	957	}
		958
		959	map = freed_map;
		960	x = 1;
		961	y = 1;
		962	}
1019		963
1020	if (more)	964	if (more)
1021	{	965	{
1022	more->free (free_inventory);	966	more->destroy ();
1023	more = 0;	967	more = 0;
1024	}	968	}
1025		969
1026	if (inv)
1027	{
1028	/* Only if the space blocks everything do we not process -
1029	* if some form of movement is allowed, let objects
1030	* drop on that space.
1031	*/
1032	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || (GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL))
1033	{
1034	object *
1035	op = inv;
1036
1037	while (op)
1038	{
1039	object *
1040	tmp = op->below;
1041
1042	remove_ob (op);
1043	op->free (free_inventory);
1044	op = tmp;
1045	}
1046	}
1047	else
1048	{ /* Put objects in inventory onto this space */
1049	object *
1050	op = inv;
1051
1052	while (op)
1053	{
1054	object *
1055	tmp = op->below;
1056
1057	remove_ob (op);
1058
1059	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1060	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1061	free_object (op);
1062	else
1063	{
1064	op->x = x;
1065	op->y = y;
1066	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
1067	}
1068
1069	op = tmp;
1070	}
1071	}
1072	}
1073
1074	clear_owner (this);
1075
1076	/* Remove object from the active list */
1077	speed = 0;	970	head = 0;
1078	update_ob_speed (this);
1079		971
1080	unlink ();	972	// clear those pointers that likely might cause circular references
1081		973	owner = 0;
1082	SET_FLAG (this, FLAG_FREED);	974	enemy = 0;
1083		975	attacked_by = 0;
1084	mortals.push_back (this);	976	current_weapon = 0;
1085	}	977	}
1086
1087	/*
1088	* sub_weight() recursively (outwards) subtracts a number from the
1089	* weight of an object (and what is carried by it's environment(s)).
1090	*/
1091		978
1092	void	979	void
1093	sub_weight (object *op, signed long weight)	980	object::destroy (bool destroy_inventory)
1094	{	981	{
1095	while (op != NULL)	982	if (destroyed ())
1096	{	983	return;
1097	if (op->type == CONTAINER)
1098	{
1099	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1100	}
1101	op->carrying -= weight;
1102	op = op->env;
1103	}
1104	}
1105		984
1106	/* remove_ob(op):	985	if (destroy_inventory)
		986	destroy_inv (false);
		987
		988	if (is_head ())
		989	if (sound_destroy)
		990	play_sound (sound_destroy);
		991	else if (flag [FLAG_MONSTER])
		992	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
		993
		994	attachable::destroy ();
		995	}
		996
		997	/* op->remove ():
1107	* This function removes the object op from the linked list of objects	998	* This function removes the object op from the linked list of objects
1108	* which it is currently tied to. When this function is done, the	999	* which it is currently tied to. When this function is done, the
1109	* object will have no environment. If the object previously had an	1000	* object will have no environment. If the object previously had an
1110	* environment, the x and y coordinates will be updated to	1001	* environment, the x and y coordinates will be updated to
1111	* the previous environment.	1002	* the previous environment.
1112	* Beware: This function is called from the editor as well!
1113	*/	1003	*/
1114
1115	void	1004	void
1116	remove_ob (object *op)	1005	object::do_remove ()
1117	{	1006	{
1118	object *tmp, *last = NULL;	1007	object *tmp, *last = 0;
1119	object *otmp;	1008	object *otmp;
1120		1009
1121	tag_t tag;
1122	int check_walk_off;
1123	mapstruct *m;
1124
1125	sint16 x, y;
1126
1127	if (QUERY_FLAG (op, FLAG_REMOVED))	1010	if (QUERY_FLAG (this, FLAG_REMOVED))
1128	{	1011	return;
1129	dump_object (op);
1130	LOG (llevError, "Trying to remove removed object.\n%s\n", errmsg);
1131		1012
1132	/* Changed it to always dump core in this case. As has been learned
1133	* in the past, trying to recover from errors almost always
1134	* make things worse, and this is a real error here - something
1135	* that should not happen.
1136	* Yes, if this was a mission critical app, trying to do something
1137	* to recover may make sense, but that is because failure of the app
1138	* may have other disastrous problems. Cf runs out of a script
1139	* so is easily enough restarted without any real problems.
1140	* MSW 2001-07-01
1141	*/
1142	abort ();
1143	}
1144
1145	if (op->more != NULL)
1146	remove_ob (op->more);
1147
1148	SET_FLAG (op, FLAG_REMOVED);	1013	SET_FLAG (this, FLAG_REMOVED);
		1014	INVOKE_OBJECT (REMOVE, this);
		1015
		1016	if (more)
		1017	more->remove ();
1149		1018
1150	/*	1019	/*
1151	* In this case, the object to be removed is in someones	1020	* In this case, the object to be removed is in someones
1152	* inventory.	1021	* inventory.
1153	*/	1022	*/
1154	if (op->env != NULL)	1023	if (env)
1155	{	1024	{
1156	if (op->nrof)	1025	if (nrof)
1157	sub_weight (op->env, op->weight * op->nrof);	1026	sub_weight (env, weight * nrof);
1158	else	1027	else
1159	sub_weight (op->env, op->weight + op->carrying);	1028	sub_weight (env, weight + carrying);
1160		1029
1161	/* NO_FIX_PLAYER is set when a great many changes are being	1030	/* NO_FIX_PLAYER is set when a great many changes are being
1162	* made to players inventory. If set, avoiding the call	1031	* made to players inventory. If set, avoiding the call
1163	* to save cpu time.	1032	* to save cpu time.
1164	*/	1033	*/
1165	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1034	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1166	fix_player (otmp);	1035	otmp->update_stats ();
1167		1036
1168	if (op->above != NULL)	1037	if (above)
1169	op->above->below = op->below;	1038	above->below = below;
1170	else	1039	else
1171	op->env->inv = op->below;	1040	env->inv = below;
1172		1041
1173	if (op->below != NULL)	1042	if (below)
1174	op->below->above = op->above;	1043	below->above = above;
1175		1044
1176	/* we set up values so that it could be inserted into	1045	/* we set up values so that it could be inserted into
1177	* the map, but we don't actually do that - it is up	1046	* the map, but we don't actually do that - it is up
1178	* to the caller to decide what we want to do.	1047	* to the caller to decide what we want to do.
1179	*/	1048	*/
1180	op->x = op->env->x, op->y = op->env->y;	1049	x = env->x, y = env->y;
1181	op->map = op->env->map;	1050	map = env->map;
1182	op->above = NULL, op->below = NULL;	1051	above = 0, below = 0;
1183	op->env = NULL;	1052	env = 0;
1184	return;
1185	}
1186
1187	/* If we get here, we are removing it from a map */
1188	if (op->map == NULL)
1189	return;
1190
1191	x = op->x;
1192	y = op->y;
1193	m = get_map_from_coord (op->map, &x, &y);
1194
1195	if (!m)
1196	{	1053	}
1197	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",	1054	else if (map)
1198	op->map->path, op->x, op->y);
1199	/* in old days, we used to set x and y to 0 and continue.
1200	* it seems if we get into this case, something is probablye
1201	* screwed up and should be fixed.
1202	*/
1203	abort ();
1204	}	1055	{
1205	if (op->map != m)	1056	if (type == PLAYER)
1206	{	1057	{
1207	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	1058	// leaving a spot always closes any open container on the ground
1208	op->map->path, m->path, op->x, op->y, x, y);	1059	if (container && !container->env)
1209	}	1060	// this causes spurious floorbox updates, but it ensures
		1061	// that the CLOSE event is being sent.
		1062	close_container ();
1210		1063
1211	/* Re did the following section of code - it looks like it had	1064	--map->players;
1212	* lots of logic for things we no longer care about	1065	map->touch ();
1213	*/	1066	}
1214		1067
		1068	map->dirty = true;
		1069	mapspace &ms = this->ms ();
		1070
1215	/* link the object above us */	1071	/* link the object above us */
1216	if (op->above)	1072	if (above)
1217	op->above->below = op->below;	1073	above->below = below;
1218	else	1074	else
1219	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1075	ms.top = below; /* we were top, set new top */
1220		1076
1221	/* Relink the object below us, if there is one */	1077	/* Relink the object below us, if there is one */
1222	if (op->below)	1078	if (below)
1223	op->below->above = op->above;	1079	below->above = above;
1224	else	1080	else
1225	{	1081	{
1226	/* Nothing below, which means we need to relink map object for this space	1082	/* Nothing below, which means we need to relink map object for this space
1227	* use translated coordinates in case some oddness with map tiling is	1083	* use translated coordinates in case some oddness with map tiling is
1228	* evident	1084	* evident
1229	*/
1230	if (GET_MAP_OB (m, x, y) != op)
1231	{
1232	dump_object (op);
1233	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n",
1234	errmsg);
1235	dump_object (GET_MAP_OB (m, x, y));
1236	LOG (llevError, "%s\n", errmsg);
1237	}
1238
1239	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1240	}
1241
1242	op->above = NULL;
1243	op->below = NULL;
1244
1245	if (op->map->in_memory == MAP_SAVING)
1246	return;
1247
1248	tag = op->count;
1249	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1250
1251	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1252	{
1253	/* No point updating the players look faces if he is the object
1254	* being removed.
1255	*/
1256
1257	if (tmp->type == PLAYER && tmp != op)
1258	{
1259	/* If a container that the player is currently using somehow gets
1260	* removed (most likely destroyed), update the player view
1261	* appropriately.
1262	*/	1085	*/
		1086	if (GET_MAP_OB (map, x, y) != this)
		1087	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 ());
		1088
		1089	ms.bot = above; /* goes on above it. */
		1090	}
		1091
		1092	above = 0;
		1093	below = 0;
		1094
		1095	if (map->in_memory == MAP_SAVING)
		1096	return;
		1097
		1098	int check_walk_off = !flag [FLAG_NO_APPLY];
		1099
		1100	if (object *pl = ms.player ())
		1101	{
1263	if (tmp->container == op)	1102	if (pl->container == this)
		1103	/* If a container that the player is currently using somehow gets
		1104	* removed (most likely destroyed), update the player view
		1105	* appropriately.
		1106	*/
		1107	pl->close_container ();
		1108
		1109	pl->contr->ns->floorbox_update ();
		1110	}
		1111
		1112	for (tmp = ms.bot; tmp; tmp = tmp->above)
		1113	{
		1114	/* No point updating the players look faces if he is the object
		1115	* being removed.
		1116	*/
		1117
		1118	/* See if object moving off should effect something */
		1119	if (check_walk_off
		1120	&& ((move_type & tmp->move_off)
		1121	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1264	{	1122	{
1265	CLEAR_FLAG (op, FLAG_APPLIED);	1123	move_apply (tmp, this, 0);
1266	tmp->container = NULL;	1124
		1125	if (destroyed ())
		1126	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1267	}	1127	}
1268		1128
1269	tmp->contr->socket.update_look = 1;
1270	}
1271	/* See if player moving off should effect something */
1272	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1273	{
1274	move_apply (tmp, op, NULL);
1275
1276	if (was_destroyed (op, tag))
1277	{
1278	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);
1279	}
1280	}
1281
1282	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1283
1284	if (tmp->above == tmp)
1285	tmp->above = NULL;
1286
1287	last = tmp;	1129	last = tmp;
1288	}	1130	}
1289		1131
1290	/* last == NULL of there are no objects on this space */	1132	/* last == NULL if there are no objects on this space */
1291	if (last == NULL)	1133	//TODO: this makes little sense, why only update the topmost object?
1292	{	1134	if (!last)
1293	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,	1135	map->at (x, y).flags_ = 0;
1294	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1295	* those out anyways, and if there are any flags set right now, they won't
1296	* be correct anyways.
1297	*/
1298	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1299	update_position (op->map, op->x, op->y);
1300	}
1301	else	1136	else
1302	update_object (last, UP_OBJ_REMOVE);	1137	update_object (last, UP_OBJ_REMOVE);
1303		1138
1304	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1139	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1305	update_all_los (op->map, op->x, op->y);	1140	update_all_los (map, x, y);
		1141	}
1306	}	1142	}
1307		1143
1308	/*	1144	/*
1309	* merge_ob(op,top):	1145	* merge_ob(op,top):
1310	*	1146	*
1311	* This function goes through all objects below and including top, and	1147	* This function goes through all objects below and including top, and
1312	* merges op to the first matching object.	1148	* merges op to the first matching object.
1313	* If top is NULL, it is calculated.	1149	* If top is NULL, it is calculated.
1314	* Returns pointer to object if it succeded in the merge, otherwise NULL	1150	* Returns pointer to object if it succeded in the merge, otherwise NULL
1315	*/	1151	*/
1316
1317	object *	1152	object *
1318	merge_ob (object *op, object *top)	1153	merge_ob (object *op, object *top)
1319	{	1154	{
1320	if (!op->nrof)	1155	if (!op->nrof)
1321	return 0;	1156	return 0;
1322	if (top == NULL)	1157
		1158	if (!top)
1323	for (top = op; top != NULL && top->above != NULL; top = top->above);	1159	for (top = op; top && top->above; top = top->above)
		1160	;
		1161
1324	for (; top != NULL; top = top->below)	1162	for (; top; top = top->below)
1325	{	1163	{
1326	if (top == op)	1164	if (top == op)
1327	continue;	1165	continue;
1328	if (CAN_MERGE (op, top))	1166
		1167	if (object::can_merge (op, top))
1329	{	1168	{
1330	top->nrof += op->nrof;	1169	top->nrof += op->nrof;
1331		1170
1332	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1171	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1333	op->weight = 0; /* Don't want any adjustements now */	1172	op->weight = 0; /* Don't want any adjustements now */
1334	remove_ob (op);	1173	op->destroy ();
1335	free_object (op);
1336	return top;	1174	return top;
1337	}	1175	}
1338	}	1176	}
		1177
1339	return NULL;	1178	return 0;
1340	}	1179	}
1341		1180
		1181	void
		1182	object::expand_tail ()
		1183	{
		1184	if (more)
		1185	return;
		1186
		1187	object *prev = this;
		1188
		1189	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1190	{
		1191	object *op = arch_to_object (at);
		1192
		1193	op->name = name;
		1194	op->name_pl = name_pl;
		1195	op->title = title;
		1196
		1197	op->head = this;
		1198	prev->more = op;
		1199
		1200	prev = op;
		1201	}
		1202	}
		1203
1342	/*	1204	/*
1343	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1205	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1344	* job preparing multi-part monsters	1206	* job preparing multi-part monsters.
1345	*/	1207	*/
1346	object *	1208	object *
1347	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1209	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1348	{	1210	{
1349	object *
1350	tmp;
1351
1352	if (op->head)
1353	op = op->head;
1354	for (tmp = op; tmp; tmp = tmp->more)	1211	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1355	{	1212	{
1356	tmp->x = x + tmp->arch->clone.x;	1213	tmp->x = x + tmp->arch->x;
1357	tmp->y = y + tmp->arch->clone.y;	1214	tmp->y = y + tmp->arch->y;
1358	}	1215	}
		1216
1359	return insert_ob_in_map (op, m, originator, flag);	1217	return insert_ob_in_map (op, m, originator, flag);
1360	}	1218	}
1361		1219
1362	/*	1220	/*
1363	* insert_ob_in_map (op, map, originator, flag):	1221	* insert_ob_in_map (op, map, originator, flag):
…		…
1377	* Return value:	1235	* Return value:
1378	* new object if 'op' was merged with other object	1236	* new object if 'op' was merged with other object
1379	* NULL if 'op' was destroyed	1237	* NULL if 'op' was destroyed
1380	* just 'op' otherwise	1238	* just 'op' otherwise
1381	*/	1239	*/
1382
1383	object *	1240	object *
1384	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1241	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1385	{	1242	{
		1243	assert (!op->flag [FLAG_FREED]);
		1244
1386	object *tmp, *top, *floor = NULL;	1245	object *top, *floor = NULL;
1387	sint16 x, y;
1388		1246
1389	if (QUERY_FLAG (op, FLAG_FREED))	1247	op->remove ();
1390	{
1391	LOG (llevError, "Trying to insert freed object!\n");
1392	return NULL;
1393	}
1394
1395	if (m == NULL)
1396	{
1397	dump_object (op);
1398	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);
1399	return op;
1400	}
1401
1402	if (out_of_map (m, op->x, op->y))
1403	{
1404	dump_object (op);
1405	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);
1406	#ifdef MANY_CORES
1407	/* Better to catch this here, as otherwise the next use of this object
1408	* is likely to cause a crash. Better to find out where it is getting
1409	* improperly inserted.
1410	*/
1411	abort ();
1412	#endif
1413	return op;
1414	}
1415
1416	if (!QUERY_FLAG (op, FLAG_REMOVED))
1417	{
1418	dump_object (op);
1419	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1420	return op;
1421	}
1422
1423	if (op->more != NULL)
1424	{
1425	/* The part may be on a different map. */
1426
1427	object *more = op->more;
1428
1429	/* We really need the caller to normalize coordinates - if
1430	* we set the map, that doesn't work if the location is within
1431	* a map and this is straddling an edge. So only if coordinate
1432	* is clear wrong do we normalize it.
1433	*/
1434	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1435	more->map = get_map_from_coord (m, &more->x, &more->y);
1436	else if (!more->map)
1437	{
1438	/* For backwards compatibility - when not dealing with tiled maps,
1439	* more->map should always point to the parent.
1440	*/
1441	more->map = m;
1442	}
1443
1444	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1445	{
1446	if (!op->head)
1447	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1448
1449	return NULL;
1450	}
1451	}
1452
1453	CLEAR_FLAG (op, FLAG_REMOVED);
1454		1248
1455	/* Ideally, the caller figures this out. However, it complicates a lot	1249	/* Ideally, the caller figures this out. However, it complicates a lot
1456	* of areas of callers (eg, anything that uses find_free_spot would now	1250	* of areas of callers (eg, anything that uses find_free_spot would now
1457	* need extra work	1251	* need extra work
1458	*/	1252	*/
1459	op->map = get_map_from_coord (m, &op->x, &op->y);	1253	if (!xy_normalise (m, op->x, op->y))
1460	x = op->x;	1254	{
1461	y = op->y;	1255	op->destroy ();
		1256	return 0;
		1257	}
		1258
		1259	if (object *more = op->more)
		1260	if (!insert_ob_in_map (more, m, originator, flag))
		1261	return 0;
		1262
		1263	CLEAR_FLAG (op, FLAG_REMOVED);
		1264
		1265	op->map = m;
		1266	mapspace &ms = op->ms ();
1462		1267
1463	/* this has to be done after we translate the coordinates.	1268	/* this has to be done after we translate the coordinates.
1464	*/	1269	*/
1465	if (op->nrof && !(flag & INS_NO_MERGE))	1270	if (op->nrof && !(flag & INS_NO_MERGE))
1466	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1271	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1467	if (CAN_MERGE (op, tmp))	1272	if (object::can_merge (op, tmp))
1468	{	1273	{
1469	op->nrof += tmp->nrof;	1274	op->nrof += tmp->nrof;
1470	remove_ob (tmp);	1275	tmp->destroy ();
1471	free_object (tmp);
1472	}	1276	}
1473		1277
1474	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1278	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1475	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1279	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1476		1280
…		…
1489	op->below = originator->below;	1293	op->below = originator->below;
1490		1294
1491	if (op->below)	1295	if (op->below)
1492	op->below->above = op;	1296	op->below->above = op;
1493	else	1297	else
1494	SET_MAP_OB (op->map, op->x, op->y, op);	1298	ms.bot = op;
1495		1299
1496	/* since *below* originator, no need to update top */	1300	/* since *below* originator, no need to update top */
1497	originator->below = op;	1301	originator->below = op;
1498	}	1302	}
1499	else	1303	else
1500	{	1304	{
		1305	top = ms.bot;
		1306
1501	/* If there are other objects, then */	1307	/* If there are other objects, then */
1502	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1308	if (top)
1503	{	1309	{
1504	object *last = NULL;	1310	object *last = 0;
1505		1311
1506	/*	1312	/*
1507	* If there are multiple objects on this space, we do some trickier handling.	1313	* If there are multiple objects on this space, we do some trickier handling.
1508	* We've already dealt with merging if appropriate.	1314	* We've already dealt with merging if appropriate.
1509	* Generally, we want to put the new object on top. But if	1315	* Generally, we want to put the new object on top. But if
…		…
1513	* once we get to them. This reduces the need to traverse over all of	1319	* once we get to them. This reduces the need to traverse over all of
1514	* them when adding another one - this saves quite a bit of cpu time	1320	* them when adding another one - this saves quite a bit of cpu time
1515	* when lots of spells are cast in one area. Currently, it is presumed	1321	* when lots of spells are cast in one area. Currently, it is presumed
1516	* that flying non pickable objects are spell objects.	1322	* that flying non pickable objects are spell objects.
1517	*/	1323	*/
1518		1324	for (top = ms.bot; top; top = top->above)
1519	while (top != NULL)
1520	{	1325	{
1521	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1326	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1522	floor = top;	1327	floor = top;
1523		1328
1524	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1329	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1527	top = top->below;	1332	top = top->below;
1528	break;	1333	break;
1529	}	1334	}
1530		1335
1531	last = top;	1336	last = top;
1532	top = top->above;
1533	}	1337	}
1534		1338
1535	/* Don't want top to be NULL, so set it to the last valid object */	1339	/* Don't want top to be NULL, so set it to the last valid object */
1536	top = last;	1340	top = last;
1537		1341
…		…
1539	* looks like instead of lots of conditions here.	1343	* looks like instead of lots of conditions here.
1540	* makes things faster, and effectively the same result.	1344	* makes things faster, and effectively the same result.
1541	*/	1345	*/
1542		1346
1543	/* Have object 'fall below' other objects that block view.	1347	/* Have object 'fall below' other objects that block view.
1544	* Unless those objects are exits, type 66	1348	* Unless those objects are exits.
1545	* If INS_ON_TOP is used, don't do this processing	1349	* If INS_ON_TOP is used, don't do this processing
1546	* Need to find the object that in fact blocks view, otherwise	1350	* Need to find the object that in fact blocks view, otherwise
1547	* stacking is a bit odd.	1351	* stacking is a bit odd.
1548	*/	1352	*/
1549	if (!(flag & INS_ON_TOP) &&	1353	if (!(flag & INS_ON_TOP)
1550	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1354	&& ms.flags () & P_BLOCKSVIEW
		1355	&& (op->face && !faces [op->face].visibility))
1551	{	1356	{
1552	for (last = top; last != floor; last = last->below)	1357	for (last = top; last != floor; last = last->below)
1553	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1358	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1554	break;	1359	break;
		1360
1555	/* Check to see if we found the object that blocks view,	1361	/* Check to see if we found the object that blocks view,
1556	* and make sure we have a below pointer for it so that	1362	* and make sure we have a below pointer for it so that
1557	* we can get inserted below this one, which requires we	1363	* we can get inserted below this one, which requires we
1558	* set top to the object below us.	1364	* set top to the object below us.
1559	*/	1365	*/
1560	if (last && last->below && last != floor)	1366	if (last && last->below && last != floor)
1561	top = last->below;	1367	top = last->below;
1562	}	1368	}
1563	} /* If objects on this space */	1369	} /* If objects on this space */
1564		1370
1565	if (flag & INS_MAP_LOAD)
1566	top = GET_MAP_TOP (op->map, op->x, op->y);
1567
1568	if (flag & INS_ABOVE_FLOOR_ONLY)	1371	if (flag & INS_ABOVE_FLOOR_ONLY)
1569	top = floor;	1372	top = floor;
1570		1373
1571	/* Top is the object that our object (op) is going to get inserted above.	1374	/* Top is the object that our object (op) is going to get inserted above.
1572	*/	1375	*/
1573		1376
1574	/* First object on this space */	1377	/* First object on this space */
1575	if (!top)	1378	if (!top)
1576	{	1379	{
1577	op->above = GET_MAP_OB (op->map, op->x, op->y);	1380	op->above = ms.bot;
1578		1381
1579	if (op->above)	1382	if (op->above)
1580	op->above->below = op;	1383	op->above->below = op;
1581		1384
1582	op->below = NULL;	1385	op->below = 0;
1583	SET_MAP_OB (op->map, op->x, op->y, op);	1386	ms.bot = op;
1584	}	1387	}
1585	else	1388	else
1586	{ /* get inserted into the stack above top */	1389	{ /* get inserted into the stack above top */
1587	op->above = top->above;	1390	op->above = top->above;
1588		1391
…		…
1591		1394
1592	op->below = top;	1395	op->below = top;
1593	top->above = op;	1396	top->above = op;
1594	}	1397	}
1595		1398
1596	if (op->above == NULL)	1399	if (!op->above)
1597	SET_MAP_TOP (op->map, op->x, op->y, op);	1400	ms.top = op;
1598	} /* else not INS_BELOW_ORIGINATOR */	1401	} /* else not INS_BELOW_ORIGINATOR */
1599		1402
1600	if (op->type == PLAYER)	1403	if (op->type == PLAYER)
		1404	{
1601	op->contr->do_los = 1;	1405	op->contr->do_los = 1;
		1406	++op->map->players;
		1407	op->map->touch ();
		1408	}
1602		1409
1603	/* If we have a floor, we know the player, if any, will be above	1410	op->map->dirty = true;
1604	* it, so save a few ticks and start from there.	1411
1605	*/	1412	if (object *pl = ms.player ())
1606	if (!(flag & INS_MAP_LOAD))	1413	pl->contr->ns->floorbox_update ();
1607	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1608	if (tmp->type == PLAYER)
1609	tmp->contr->socket.update_look = 1;
1610		1414
1611	/* If this object glows, it may affect lighting conditions that are	1415	/* If this object glows, it may affect lighting conditions that are
1612	* visible to others on this map. But update_all_los is really	1416	* visible to others on this map. But update_all_los is really
1613	* an inefficient way to do this, as it means los for all players	1417	* an inefficient way to do this, as it means los for all players
1614	* on the map will get recalculated. The players could very well	1418	* on the map will get recalculated. The players could very well
1615	* be far away from this change and not affected in any way -	1419	* be far away from this change and not affected in any way -
1616	* this should get redone to only look for players within range,	1420	* this should get redone to only look for players within range,
1617	* or just updating the P_NEED_UPDATE for spaces within this area	1421	* or just updating the P_UPTODATE for spaces within this area
1618	* of effect may be sufficient.	1422	* of effect may be sufficient.
1619	*/	1423	*/
1620	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1424	if (op->map->darkness && (op->glow_radius != 0))
1621	update_all_los (op->map, op->x, op->y);	1425	update_all_los (op->map, op->x, op->y);
1622		1426
1623	/* updates flags (blocked, alive, no magic, etc) for this map space */	1427	/* updates flags (blocked, alive, no magic, etc) for this map space */
1624	update_object (op, UP_OBJ_INSERT);	1428	update_object (op, UP_OBJ_INSERT);
1625		1429
		1430	INVOKE_OBJECT (INSERT, op);
		1431
1626	/* Don't know if moving this to the end will break anything. However,	1432	/* Don't know if moving this to the end will break anything. However,
1627	* we want to have update_look set above before calling this.	1433	* we want to have floorbox_update called before calling this.
1628	*	1434	*
1629	* check_move_on() must be after this because code called from	1435	* check_move_on() must be after this because code called from
1630	* check_move_on() depends on correct map flags (so functions like	1436	* check_move_on() depends on correct map flags (so functions like
1631	* blocked() and wall() work properly), and these flags are updated by	1437	* blocked() and wall() work properly), and these flags are updated by
1632	* update_object().	1438	* update_object().
1633	*/	1439	*/
1634		1440
1635	/* if this is not the head or flag has been passed, don't check walk on status */	1441	/* if this is not the head or flag has been passed, don't check walk on status */
1636	if (!(flag & INS_NO_WALK_ON) && !op->head)	1442	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1637	{	1443	{
1638	if (check_move_on (op, originator))	1444	if (check_move_on (op, originator))
1639	return NULL;	1445	return 0;
1640		1446
1641	/* If we are a multi part object, lets work our way through the check	1447	/* If we are a multi part object, lets work our way through the check
1642	* walk on's.	1448	* walk on's.
1643	*/	1449	*/
1644	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1450	for (object *tmp = op->more; tmp; tmp = tmp->more)
1645	if (check_move_on (tmp, originator))	1451	if (check_move_on (tmp, originator))
1646	return NULL;	1452	return 0;
1647	}	1453	}
1648		1454
1649	return op;	1455	return op;
1650	}	1456	}
1651		1457
1652	/* this function inserts an object in the map, but if it	1458	/* this function inserts an object in the map, but if it
1653	* finds an object of its own type, it'll remove that one first.	1459	* finds an object of its own type, it'll remove that one first.
1654	* op is the object to insert it under: supplies x and the map.	1460	* op is the object to insert it under: supplies x and the map.
1655	*/	1461	*/
1656	void	1462	void
1657	replace_insert_ob_in_map (const char *arch_string, object *op)	1463	replace_insert_ob_in_map (const char *arch_string, object *op)
1658	{	1464	{
1659	object *tmp;
1660	object *tmp1;	1465	object *tmp, *tmp1;
1661		1466
1662	/* first search for itself and remove any old instances */	1467	/* first search for itself and remove any old instances */
1663		1468
1664	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1469	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1665	{
1666	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1470	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1667	{	1471	tmp->destroy ();
1668	remove_ob (tmp);
1669	free_object (tmp);
1670	}
1671	}
1672		1472
1673	tmp1 = arch_to_object (find_archetype (arch_string));	1473	tmp1 = arch_to_object (archetype::find (arch_string));
1674		1474
1675	tmp1->x = op->x;	1475	tmp1->x = op->x;
1676	tmp1->y = op->y;	1476	tmp1->y = op->y;
1677	insert_ob_in_map (tmp1, op->map, op, 0);	1477	insert_ob_in_map (tmp1, op->map, op, 0);
		1478	}
		1479
		1480	object *
		1481	object::insert_at (object *where, object *originator, int flags)
		1482	{
		1483	if (where->env)
		1484	return where->env->insert (this);
		1485	else
		1486	return where->map->insert (this, where->x, where->y, originator, flags);
1678	}	1487	}
1679		1488
1680	/*	1489	/*
1681	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1490	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1682	* is returned contains nr objects, and the remaining parts contains	1491	* is returned contains nr objects, and the remaining parts contains
1683	* the rest (or is removed and freed if that number is 0).	1492	* the rest (or is removed and freed if that number is 0).
1684	* On failure, NULL is returned, and the reason put into the	1493	* On failure, NULL is returned, and the reason put into the
1685	* global static errmsg array.	1494	* global static errmsg array.
1686	*/	1495	*/
1687
1688	object *	1496	object *
1689	get_split_ob (object *orig_ob, uint32 nr)	1497	get_split_ob (object *orig_ob, uint32 nr)
1690	{	1498	{
1691	object *	1499	object *newob;
1692	newob;
1693	int
1694	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1500	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1695		1501
1696	if (orig_ob->nrof < nr)	1502	if (orig_ob->nrof < nr)
1697	{	1503	{
1698	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1504	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1699	return NULL;	1505	return NULL;
1700	}	1506	}
		1507
1701	newob = object_create_clone (orig_ob);	1508	newob = object_create_clone (orig_ob);
		1509
1702	if ((orig_ob->nrof -= nr) < 1)	1510	if ((orig_ob->nrof -= nr) < 1)
1703	{	1511	orig_ob->destroy (1);
1704	if (!is_removed)
1705	remove_ob (orig_ob);
1706	free_object2 (orig_ob, 1);
1707	}
1708	else if (!is_removed)	1512	else if (!is_removed)
1709	{	1513	{
1710	if (orig_ob->env != NULL)	1514	if (orig_ob->env != NULL)
1711	sub_weight (orig_ob->env, orig_ob->weight * nr);	1515	sub_weight (orig_ob->env, orig_ob->weight * nr);
1712	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1516	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_ACTIVE)
1713	{	1517	{
1714	strcpy (errmsg, "Tried to split object whose map is not in memory.");	1518	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1715	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");	1519	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1716	return NULL;	1520	return NULL;
1717	}	1521	}
1718	}	1522	}
		1523
1719	newob->nrof = nr;	1524	newob->nrof = nr;
1720		1525
1721	return newob;	1526	return newob;
1722	}	1527	}
1723		1528
…		…
1726	* the amount of an object. If the amount reaches 0, the object	1531	* the amount of an object. If the amount reaches 0, the object
1727	* is subsequently removed and freed.	1532	* is subsequently removed and freed.
1728	*	1533	*
1729	* Return value: 'op' if something is left, NULL if the amount reached 0	1534	* Return value: 'op' if something is left, NULL if the amount reached 0
1730	*/	1535	*/
1731
1732	object *	1536	object *
1733	decrease_ob_nr (object *op, uint32 i)	1537	decrease_ob_nr (object *op, uint32 i)
1734	{	1538	{
1735	object *	1539	object *tmp;
1736	tmp;
1737	player *
1738	pl;
1739		1540
1740	if (i == 0) /* objects with op->nrof require this check */	1541	if (i == 0) /* objects with op->nrof require this check */
1741	return op;	1542	return op;
1742		1543
1743	if (i > op->nrof)	1544	if (i > op->nrof)
1744	i = op->nrof;	1545	i = op->nrof;
1745		1546
1746	if (QUERY_FLAG (op, FLAG_REMOVED))	1547	if (QUERY_FLAG (op, FLAG_REMOVED))
1747	{
1748	op->nrof -= i;	1548	op->nrof -= i;
1749	}
1750	else if (op->env != NULL)	1549	else if (op->env)
1751	{	1550	{
1752	/* is this object in the players inventory, or sub container	1551	/* is this object in the players inventory, or sub container
1753	* therein?	1552	* therein?
1754	*/	1553	*/
1755	tmp = is_player_inv (op->env);	1554	tmp = op->in_player ();
1756	/* nope. Is this a container the player has opened?	1555	/* nope. Is this a container the player has opened?
1757	* If so, set tmp to that player.	1556	* If so, set tmp to that player.
1758	* IMO, searching through all the players will mostly	1557	* IMO, searching through all the players will mostly
1759	* likely be quicker than following op->env to the map,	1558	* likely be quicker than following op->env to the map,
1760	* and then searching the map for a player.	1559	* and then searching the map for a player.
1761	*/	1560	*/
1762	if (!tmp)	1561	if (!tmp)
1763	{	1562	for_all_players (pl)
1764	for (pl = first_player; pl; pl = pl->next)
1765	if (pl->ob->container == op->env)	1563	if (pl->ob->container == op->env)
		1564	{
		1565	tmp = pl->ob;
1766	break;	1566	break;
1767	if (pl)
1768	tmp = pl->ob;
1769	else
1770	tmp = NULL;
1771	}	1567	}
1772		1568
1773	if (i < op->nrof)	1569	if (i < op->nrof)
1774	{	1570	{
1775	sub_weight (op->env, op->weight * i);	1571	sub_weight (op->env, op->weight * i);
1776	op->nrof -= i;	1572	op->nrof -= i;
1777	if (tmp)	1573	if (tmp)
1778	{
1779	esrv_send_item (tmp, op);	1574	esrv_send_item (tmp, op);
1780	}
1781	}	1575	}
1782	else	1576	else
1783	{	1577	{
1784	remove_ob (op);	1578	op->remove ();
1785	op->nrof = 0;	1579	op->nrof = 0;
1786	if (tmp)	1580	if (tmp)
1787	{
1788	esrv_del_item (tmp->contr, op->count);	1581	esrv_del_item (tmp->contr, op->count);
1789	}
1790	}	1582	}
1791	}	1583	}
1792	else	1584	else
1793	{	1585	{
1794	object *
1795	above = op->above;	1586	object *above = op->above;
1796		1587
1797	if (i < op->nrof)	1588	if (i < op->nrof)
1798	{
1799	op->nrof -= i;	1589	op->nrof -= i;
1800	}
1801	else	1590	else
1802	{	1591	{
1803	remove_ob (op);	1592	op->remove ();
1804	op->nrof = 0;	1593	op->nrof = 0;
1805	}	1594	}
		1595
1806	/* Since we just removed op, op->above is null */	1596	/* Since we just removed op, op->above is null */
1807	for (tmp = above; tmp != NULL; tmp = tmp->above)	1597	for (tmp = above; tmp; tmp = tmp->above)
1808	if (tmp->type == PLAYER)	1598	if (tmp->type == PLAYER)
1809	{	1599	{
1810	if (op->nrof)	1600	if (op->nrof)
1811	esrv_send_item (tmp, op);	1601	esrv_send_item (tmp, op);
1812	else	1602	else
1813	esrv_del_item (tmp->contr, op->count);	1603	esrv_del_item (tmp->contr, op->count);
1814	}	1604	}
1815	}	1605	}
1816		1606
1817	if (op->nrof)	1607	if (op->nrof)
		1608	return op;
		1609	else
		1610	{
		1611	op->destroy ();
		1612	return 0;
1818	{	1613	}
		1614	}
		1615
		1616	object *
		1617	insert_ob_in_ob (object *op, object *where)
		1618	{
		1619	if (!where)
		1620	{
		1621	char *dump = dump_object (op);
		1622	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1623	free (dump);
1819	return op;	1624	return op;
1820	}	1625	}
1821	else	1626
1822	{	1627	if (where->head_ () != where)
1823	free_object (op);
1824	return NULL;
1825	}	1628	{
1826	}	1629	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1827		1630	where = where->head;
1828	/*
1829	* add_weight(object, weight) adds the specified weight to an object,
1830	* and also updates how much the environment(s) is/are carrying.
1831	*/
1832
1833	void
1834	add_weight (object *op, signed long weight)
1835	{
1836	while (op != NULL)
1837	{	1631	}
1838	if (op->type == CONTAINER)
1839	{
1840	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1841	}
1842	op->carrying += weight;
1843	op = op->env;
1844	}
1845	}
1846		1632
		1633	return where->insert (op);
		1634	}
		1635
1847	/*	1636	/*
1848	* insert_ob_in_ob(op,environment):	1637	* env->insert (op)
1849	* This function inserts the object op in the linked list	1638	* This function inserts the object op in the linked list
1850	* inside the object environment.	1639	* inside the object environment.
1851	*	1640	*
1852	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1853	* the inventory at the last position or next to other objects of the same
1854	* type.
1855	* Frank: Now sorted by type, archetype and magic!
1856	*
1857	* The function returns now pointer to inserted item, and return value can	1641	* The function returns now pointer to inserted item, and return value can
1858	* be != op, if items are merged. -Tero	1642	* be != op, if items are merged. -Tero
1859	*/	1643	*/
1860
1861	object *	1644	object *
1862	insert_ob_in_ob (object *op, object *where)	1645	object::insert (object *op)
1863	{	1646	{
1864	object *
1865	tmp, *
1866	otmp;
1867
1868	if (!QUERY_FLAG (op, FLAG_REMOVED))	1647	if (!QUERY_FLAG (op, FLAG_REMOVED))
1869	{	1648	op->remove ();
1870	dump_object (op);	1649
1871	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1872	return op;
1873	}
1874	if (where == NULL)
1875	{
1876	dump_object (op);
1877	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1878	return op;
1879	}
1880	if (where->head)
1881	{
1882	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1883	where = where->head;
1884	}
1885	if (op->more)	1650	if (op->more)
1886	{	1651	{
1887	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1652	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1888	return op;	1653	return op;
1889	}	1654	}
		1655
1890	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1656	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1891	CLEAR_FLAG (op, FLAG_REMOVED);	1657	CLEAR_FLAG (op, FLAG_REMOVED);
		1658
1892	if (op->nrof)	1659	if (op->nrof)
1893	{	1660	{
1894	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1661	for (object *tmp = inv; tmp; tmp = tmp->below)
1895	if (CAN_MERGE (tmp, op))	1662	if (object::can_merge (tmp, op))
1896	{	1663	{
1897	/* return the original object and remove inserted object	1664	/* return the original object and remove inserted object
1898	(client needs the original object) */	1665	(client needs the original object) */
1899	tmp->nrof += op->nrof;	1666	tmp->nrof += op->nrof;
1900	/* Weight handling gets pretty funky. Since we are adding to	1667	/* Weight handling gets pretty funky. Since we are adding to
1901	* tmp->nrof, we need to increase the weight.	1668	* tmp->nrof, we need to increase the weight.
1902	*/	1669	*/
1903	add_weight (where, op->weight * op->nrof);	1670	add_weight (this, op->weight * op->nrof);
1904	SET_FLAG (op, FLAG_REMOVED);	1671	SET_FLAG (op, FLAG_REMOVED);
1905	free_object (op); /* free the inserted object */	1672	op->destroy (); /* free the inserted object */
1906	op = tmp;	1673	op = tmp;
1907	remove_ob (op); /* and fix old object's links */	1674	op->remove (); /* and fix old object's links */
1908	CLEAR_FLAG (op, FLAG_REMOVED);	1675	CLEAR_FLAG (op, FLAG_REMOVED);
1909	break;	1676	break;
1910	}	1677	}
1911		1678
1912	/* I assume combined objects have no inventory	1679	/* I assume combined objects have no inventory
1913	* We add the weight - this object could have just been removed	1680	* We add the weight - this object could have just been removed
1914	* (if it was possible to merge). calling remove_ob will subtract	1681	* (if it was possible to merge). calling remove_ob will subtract
1915	* the weight, so we need to add it in again, since we actually do	1682	* the weight, so we need to add it in again, since we actually do
1916	* the linking below	1683	* the linking below
1917	*/	1684	*/
1918	add_weight (where, op->weight * op->nrof);	1685	add_weight (this, op->weight * op->nrof);
1919	}	1686	}
1920	else	1687	else
1921	add_weight (where, (op->weight + op->carrying));	1688	add_weight (this, (op->weight + op->carrying));
1922		1689
1923	otmp = is_player_inv (where);	1690	if (object *otmp = this->in_player ())
1924	if (otmp && otmp->contr != NULL)
1925	{
1926	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1691	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1927	fix_player (otmp);	1692	otmp->update_stats ();
1928	}
1929		1693
		1694	op->owner = 0; // its his/hers now. period.
1930	op->map = NULL;	1695	op->map = 0;
1931	op->env = where;	1696	op->env = this;
1932	op->above = NULL;	1697	op->above = 0;
1933	op->below = NULL;	1698	op->below = 0;
1934	op->x = 0, op->y = 0;	1699	op->x = op->y = 0;
1935		1700
1936	/* reset the light list and los of the players on the map */	1701	/* reset the light list and los of the players on the map */
1937	if ((op->glow_radius != 0) && where->map)	1702	if (op->glow_radius && map)
1938	{	1703	{
1939	#ifdef DEBUG_LIGHTS	1704	#ifdef DEBUG_LIGHTS
1940	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1705	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1941	#endif /* DEBUG_LIGHTS */	1706	#endif /* DEBUG_LIGHTS */
1942	if (MAP_DARKNESS (where->map))	1707	if (map->darkness)
1943	update_all_los (where->map, where->x, where->y);	1708	update_all_los (map, x, y);
1944	}	1709	}
1945		1710
1946	/* Client has no idea of ordering so lets not bother ordering it here.	1711	/* Client has no idea of ordering so lets not bother ordering it here.
1947	* It sure simplifies this function...	1712	* It sure simplifies this function...
1948	*/	1713	*/
1949	if (where->inv == NULL)	1714	if (!inv)
1950	where->inv = op;	1715	inv = op;
1951	else	1716	else
1952	{	1717	{
1953	op->below = where->inv;	1718	op->below = inv;
1954	op->below->above = op;	1719	op->below->above = op;
1955	where->inv = op;	1720	inv = op;
1956	}	1721	}
		1722
		1723	INVOKE_OBJECT (INSERT, this);
		1724
1957	return op;	1725	return op;
1958	}	1726	}
1959		1727
1960	/*	1728	/*
1961	* Checks if any objects has a move_type that matches objects	1729	* Checks if any objects has a move_type that matches objects
…		…
1975	*	1743	*
1976	* MSW 2001-07-08: Check all objects on space, not just those below	1744	* MSW 2001-07-08: Check all objects on space, not just those below
1977	* object being inserted. insert_ob_in_map may not put new objects	1745	* object being inserted. insert_ob_in_map may not put new objects
1978	* on top.	1746	* on top.
1979	*/	1747	*/
1980
1981	int	1748	int
1982	check_move_on (object *op, object *originator)	1749	check_move_on (object *op, object *originator)
1983	{	1750	{
1984	object *tmp;	1751	object *tmp;
1985	tag_t tag;
1986	mapstruct *m = op->map;	1752	maptile *m = op->map;
1987	int x = op->x, y = op->y;	1753	int x = op->x, y = op->y;
1988		1754
1989	MoveType move_on, move_slow, move_block;	1755	MoveType move_on, move_slow, move_block;
1990		1756
1991	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1757	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1992	return 0;	1758	return 0;
1993
1994	tag = op->count;
1995		1759
1996	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1760	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
1997	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1761	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
1998	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1762	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1999		1763
…		…
2015		1779
2016	/* The objects have to be checked from top to bottom.	1780	/* The objects have to be checked from top to bottom.
2017	* Hence, we first go to the top:	1781	* Hence, we first go to the top:
2018	*/	1782	*/
2019		1783
2020	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1784	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
2021	{	1785	{
2022	/* Trim the search when we find the first other spell effect	1786	/* Trim the search when we find the first other spell effect
2023	* this helps performance so that if a space has 50 spell objects,	1787	* this helps performance so that if a space has 50 spell objects,
2024	* we don't need to check all of them.	1788	* we don't need to check all of them.
2025	*/	1789	*/
…		…
2042	{	1806	{
2043	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1807	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2044	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1808	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
2045	{	1809	{
2046		1810
		1811	float
2047	float diff = tmp->move_slow_penalty * FABS (op->speed);	1812	diff = tmp->move_slow_penalty * fabs (op->speed);
2048		1813
2049	if (op->type == PLAYER)	1814	if (op->type == PLAYER)
2050	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1815	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
2051	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1816	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2052	diff /= 4.0;	1817	diff /= 4.0;
…		…
2059	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1824	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2060	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1825	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
2061	{	1826	{
2062	move_apply (tmp, op, originator);	1827	move_apply (tmp, op, originator);
2063		1828
2064	if (was_destroyed (op, tag))	1829	if (op->destroyed ())
2065	return 1;	1830	return 1;
2066		1831
2067	/* what the person/creature stepped onto has moved the object	1832	/* what the person/creature stepped onto has moved the object
2068	* someplace new. Don't process any further - if we did,	1833	* someplace new. Don't process any further - if we did,
2069	* have a feeling strange problems would result.	1834	* have a feeling strange problems would result.
…		…
2079	/*	1844	/*
2080	* present_arch(arch, map, x, y) searches for any objects with	1845	* present_arch(arch, map, x, y) searches for any objects with
2081	* a matching archetype at the given map and coordinates.	1846	* a matching archetype at the given map and coordinates.
2082	* The first matching object is returned, or NULL if none.	1847	* The first matching object is returned, or NULL if none.
2083	*/	1848	*/
2084
2085	object *	1849	object *
2086	present_arch (const archetype *at, mapstruct *m, int x, int y)	1850	present_arch (const archetype *at, maptile *m, int x, int y)
2087	{	1851	{
2088	object *
2089	tmp;
2090
2091	if (m == NULL || out_of_map (m, x, y))	1852	if (!m || out_of_map (m, x, y))
2092	{	1853	{
2093	LOG (llevError, "Present_arch called outside map.\n");	1854	LOG (llevError, "Present_arch called outside map.\n");
2094	return NULL;	1855	return NULL;
2095	}	1856	}
2096	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1857
		1858	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2097	if (tmp->arch == at)	1859	if (tmp->arch == at)
2098	return tmp;	1860	return tmp;
		1861
2099	return NULL;	1862	return NULL;
2100	}	1863	}
2101		1864
2102	/*	1865	/*
2103	* present(type, map, x, y) searches for any objects with	1866	* present(type, map, x, y) searches for any objects with
2104	* a matching type variable at the given map and coordinates.	1867	* a matching type variable at the given map and coordinates.
2105	* The first matching object is returned, or NULL if none.	1868	* The first matching object is returned, or NULL if none.
2106	*/	1869	*/
2107
2108	object *	1870	object *
2109	present (unsigned char type, mapstruct *m, int x, int y)	1871	present (unsigned char type, maptile *m, int x, int y)
2110	{	1872	{
2111	object *
2112	tmp;
2113
2114	if (out_of_map (m, x, y))	1873	if (out_of_map (m, x, y))
2115	{	1874	{
2116	LOG (llevError, "Present called outside map.\n");	1875	LOG (llevError, "Present called outside map.\n");
2117	return NULL;	1876	return NULL;
2118	}	1877	}
2119	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1878
		1879	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2120	if (tmp->type == type)	1880	if (tmp->type == type)
2121	return tmp;	1881	return tmp;
		1882
2122	return NULL;	1883	return NULL;
2123	}	1884	}
2124		1885
2125	/*	1886	/*
2126	* present_in_ob(type, object) searches for any objects with	1887	* present_in_ob(type, object) searches for any objects with
2127	* a matching type variable in the inventory of the given object.	1888	* a matching type variable in the inventory of the given object.
2128	* The first matching object is returned, or NULL if none.	1889	* The first matching object is returned, or NULL if none.
2129	*/	1890	*/
2130
2131	object *	1891	object *
2132	present_in_ob (unsigned char type, const object *op)	1892	present_in_ob (unsigned char type, const object *op)
2133	{	1893	{
2134	object *
2135	tmp;
2136
2137	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1894	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2138	if (tmp->type == type)	1895	if (tmp->type == type)
2139	return tmp;	1896	return tmp;
		1897
2140	return NULL;	1898	return NULL;
2141	}	1899	}
2142		1900
2143	/*	1901	/*
2144	* present_in_ob (type, str, object) searches for any objects with	1902	* present_in_ob (type, str, object) searches for any objects with
…		…
2152	* str is the string to match against. Note that we match against	1910	* str is the string to match against. Note that we match against
2153	* the object name, not the archetype name. this is so that the	1911	* the object name, not the archetype name. this is so that the
2154	* spell code can use one object type (force), but change it's name	1912	* spell code can use one object type (force), but change it's name
2155	* to be unique.	1913	* to be unique.
2156	*/	1914	*/
2157
2158	object *	1915	object *
2159	present_in_ob_by_name (int type, const char *str, const object *op)	1916	present_in_ob_by_name (int type, const char *str, const object *op)
2160	{	1917	{
2161	object *
2162	tmp;
2163
2164	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1918	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2165	{
2166	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1919	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2167	return tmp;	1920	return tmp;
2168	}	1921
2169	return NULL;	1922	return 0;
2170	}	1923	}
2171		1924
2172	/*	1925	/*
2173	* present_arch_in_ob(archetype, object) searches for any objects with	1926	* present_arch_in_ob(archetype, object) searches for any objects with
2174	* a matching archetype in the inventory of the given object.	1927	* a matching archetype in the inventory of the given object.
2175	* The first matching object is returned, or NULL if none.	1928	* The first matching object is returned, or NULL if none.
2176	*/	1929	*/
2177
2178	object *	1930	object *
2179	present_arch_in_ob (const archetype *at, const object *op)	1931	present_arch_in_ob (const archetype *at, const object *op)
2180	{	1932	{
2181	object *
2182	tmp;
2183
2184	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1933	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2185	if (tmp->arch == at)	1934	if (tmp->arch == at)
2186	return tmp;	1935	return tmp;
		1936
2187	return NULL;	1937	return NULL;
2188	}	1938	}
2189		1939
2190	/*	1940	/*
2191	* activate recursively a flag on an object inventory	1941	* activate recursively a flag on an object inventory
2192	*/	1942	*/
2193	void	1943	void
2194	flag_inv (object *op, int flag)	1944	flag_inv (object *op, int flag)
2195	{	1945	{
2196	object *
2197	tmp;
2198
2199	if (op->inv)
2200	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1946	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2201	{	1947	{
2202	SET_FLAG (tmp, flag);	1948	SET_FLAG (tmp, flag);
2203	flag_inv (tmp, flag);	1949	flag_inv (tmp, flag);
2204	}	1950	}
2205	} /*	1951	}
		1952
		1953	/*
2206	* desactivate recursively a flag on an object inventory	1954	* deactivate recursively a flag on an object inventory
2207	*/	1955	*/
2208	void	1956	void
2209	unflag_inv (object *op, int flag)	1957	unflag_inv (object *op, int flag)
2210	{	1958	{
2211	object *
2212	tmp;
2213
2214	if (op->inv)
2215	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1959	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2216	{	1960	{
2217	CLEAR_FLAG (tmp, flag);	1961	CLEAR_FLAG (tmp, flag);
2218	unflag_inv (tmp, flag);	1962	unflag_inv (tmp, flag);
2219	}	1963	}
2220	}
2221
2222	/*
2223	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2224	* all it's inventory (recursively).
2225	* If checksums are used, a player will get set_cheat called for
2226	* him/her-self and all object carried by a call to this function.
2227	*/
2228
2229	void
2230	set_cheat (object *op)
2231	{
2232	SET_FLAG (op, FLAG_WAS_WIZ);
2233	flag_inv (op, FLAG_WAS_WIZ);
2234	}	1964	}
2235		1965
2236	/*	1966	/*
2237	* find_free_spot(object, map, x, y, start, stop) will search for	1967	* find_free_spot(object, map, x, y, start, stop) will search for
2238	* a spot at the given map and coordinates which will be able to contain	1968	* a spot at the given map and coordinates which will be able to contain
…		…
2240	* to search (see the freearr_x/y[] definition).	1970	* to search (see the freearr_x/y[] definition).
2241	* It returns a random choice among the alternatives found.	1971	* It returns a random choice among the alternatives found.
2242	* start and stop are where to start relative to the free_arr array (1,9	1972	* start and stop are where to start relative to the free_arr array (1,9
2243	* does all 4 immediate directions). This returns the index into the	1973	* does all 4 immediate directions). This returns the index into the
2244	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1974	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2245	* Note - this only checks to see if there is space for the head of the
2246	* object - if it is a multispace object, this should be called for all
2247	* pieces.
2248	* Note2: This function does correctly handle tiled maps, but does not	1975	* Note: This function does correctly handle tiled maps, but does not
2249	* inform the caller. However, insert_ob_in_map will update as	1976	* inform the caller. However, insert_ob_in_map will update as
2250	* necessary, so the caller shouldn't need to do any special work.	1977	* necessary, so the caller shouldn't need to do any special work.
2251	* Note - updated to take an object instead of archetype - this is necessary	1978	* Note - updated to take an object instead of archetype - this is necessary
2252	* because arch_blocked (now ob_blocked) needs to know the movement type	1979	* because arch_blocked (now ob_blocked) needs to know the movement type
2253	* to know if the space in question will block the object. We can't use	1980	* to know if the space in question will block the object. We can't use
2254	* the archetype because that isn't correct if the monster has been	1981	* the archetype because that isn't correct if the monster has been
2255	* customized, changed states, etc.	1982	* customized, changed states, etc.
2256	*/	1983	*/
2257
2258	int	1984	int
2259	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	1985	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2260	{	1986	{
2261	int
2262	i,
2263	index = 0, flag;
2264	static int
2265	altern[SIZEOFFREE];	1987	int altern[SIZEOFFREE];
		1988	int index = 0, flag;
2266		1989
2267	for (i = start; i < stop; i++)	1990	for (int i = start; i < stop; i++)
2268	{	1991	{
2269	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1992	mapxy pos (m, x, y); pos.move (i);
2270	if (!flag)	1993
		1994	if (!pos.normalise ())
		1995	continue;
		1996
		1997	mapspace &ms = *pos;
		1998
		1999	if (ms.flags () & P_IS_ALIVE)
		2000	continue;
		2001
		2002	/* However, often
		2003	* ob doesn't have any move type (when used to place exits)
		2004	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2005	*/
		2006	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2007	{
2271	altern[index++] = i;	2008	altern [index++] = i;
		2009	continue;
		2010	}
2272		2011
2273	/* Basically, if we find a wall on a space, we cut down the search size.	2012	/* Basically, if we find a wall on a space, we cut down the search size.
2274	* In this way, we won't return spaces that are on another side of a wall.	2013	* In this way, we won't return spaces that are on another side of a wall.
2275	* This mostly work, but it cuts down the search size in all directions -	2014	* This mostly work, but it cuts down the search size in all directions -
2276	* if the space being examined only has a wall to the north and empty	2015	* if the space being examined only has a wall to the north and empty
2277	* spaces in all the other directions, this will reduce the search space	2016	* spaces in all the other directions, this will reduce the search space
2278	* to only the spaces immediately surrounding the target area, and	2017	* to only the spaces immediately surrounding the target area, and
2279	* won't look 2 spaces south of the target space.	2018	* won't look 2 spaces south of the target space.
2280	*/	2019	*/
2281	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2020	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2021	{
2282	stop = maxfree[i];	2022	stop = maxfree[i];
		2023	continue;
		2024	}
		2025
		2026	/* Note it is intentional that we check ob - the movement type of the
		2027	* head of the object should correspond for the entire object.
		2028	*/
		2029	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2030	continue;
		2031
		2032	if (ob->blocked (m, pos.x, pos.y))
		2033	continue;
		2034
		2035	altern [index++] = i;
2283	}	2036	}
		2037
2284	if (!index)	2038	if (!index)
2285	return -1;	2039	return -1;
		2040
2286	return altern[RANDOM () % index];	2041	return altern [rndm (index)];
2287	}	2042	}
2288		2043
2289	/*	2044	/*
2290	* find_first_free_spot(archetype, mapstruct, x, y) works like	2045	* find_first_free_spot(archetype, maptile, x, y) works like
2291	* find_free_spot(), but it will search max number of squares.	2046	* find_free_spot(), but it will search max number of squares.
2292	* But it will return the first available spot, not a random choice.	2047	* But it will return the first available spot, not a random choice.
2293	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2048	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2294	*/	2049	*/
2295
2296	int	2050	int
2297	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2051	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2298	{	2052	{
2299	int
2300	i;
2301
2302	for (i = 0; i < SIZEOFFREE; i++)	2053	for (int i = 0; i < SIZEOFFREE; i++)
2303	{
2304	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2054	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2305	return i;	2055	return i;
2306	}	2056
2307	return -1;	2057	return -1;
2308	}	2058	}
2309		2059
2310	/*	2060	/*
2311	* The function permute(arr, begin, end) randomly reorders the array	2061	* The function permute(arr, begin, end) randomly reorders the array
2312	* arr[begin..end-1].	2062	* arr[begin..end-1].
		2063	* now uses a fisher-yates shuffle, old permute was broken
2313	*/	2064	*/
2314	static void	2065	static void
2315	permute (int *arr, int begin, int end)	2066	permute (int *arr, int begin, int end)
2316	{	2067	{
2317	int	2068	arr += begin;
2318	i,
2319	j,
2320	tmp,
2321	len;
2322
2323	len = end - begin;	2069	end -= begin;
2324	for (i = begin; i < end; i++)
2325	{
2326	j = begin + RANDOM () % len;
2327		2070
2328	tmp = arr[i];	2071	while (--end)
2329	arr[i] = arr[j];	2072	swap (arr [end], arr [rndm (end + 1)]);
2330	arr[j] = tmp;
2331	}
2332	}	2073	}
2333		2074
2334	/* new function to make monster searching more efficient, and effective!	2075	/* new function to make monster searching more efficient, and effective!
2335	* This basically returns a randomized array (in the passed pointer) of	2076	* This basically returns a randomized array (in the passed pointer) of
2336	* the spaces to find monsters. In this way, it won't always look for	2077	* the spaces to find monsters. In this way, it won't always look for
…		…
2339	* the 3x3 area will be searched, just not in a predictable order.	2080	* the 3x3 area will be searched, just not in a predictable order.
2340	*/	2081	*/
2341	void	2082	void
2342	get_search_arr (int *search_arr)	2083	get_search_arr (int *search_arr)
2343	{	2084	{
2344	int	2085	int i;
2345	i;
2346		2086
2347	for (i = 0; i < SIZEOFFREE; i++)	2087	for (i = 0; i < SIZEOFFREE; i++)
2348	{
2349	search_arr[i] = i;	2088	search_arr[i] = i;
2350	}
2351		2089
2352	permute (search_arr, 1, SIZEOFFREE1 + 1);	2090	permute (search_arr, 1, SIZEOFFREE1 + 1);
2353	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2091	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2354	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2092	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2355	}	2093	}
…		…
2364	* Perhaps incorrectly, but I'm making the assumption that exclude	2102	* Perhaps incorrectly, but I'm making the assumption that exclude
2365	* is actually want is going to try and move there. We need this info	2103	* is actually want is going to try and move there. We need this info
2366	* because we have to know what movement the thing looking to move	2104	* because we have to know what movement the thing looking to move
2367	* there is capable of.	2105	* there is capable of.
2368	*/	2106	*/
2369
2370	int	2107	int
2371	find_dir (mapstruct *m, int x, int y, object *exclude)	2108	find_dir (maptile *m, int x, int y, object *exclude)
2372	{	2109	{
2373	int
2374	i,
2375	max = SIZEOFFREE, mflags;	2110	int i, max = SIZEOFFREE, mflags;
2376	sint16	2111
2377	nx,	2112	sint16 nx, ny;
2378	ny;
2379	object *	2113	object *tmp;
2380	tmp;	2114	maptile *mp;
2381	mapstruct *
2382	mp;
2383	MoveType
2384	blocked,
2385	move_type;
2386		2115
		2116	MoveType blocked, move_type;
		2117
2387	if (exclude && exclude->head)	2118	if (exclude && exclude->head_ () != exclude)
2388	{	2119	{
2389	exclude = exclude->head;	2120	exclude = exclude->head;
2390	move_type = exclude->move_type;	2121	move_type = exclude->move_type;
2391	}	2122	}
2392	else	2123	else
…		…
2400	mp = m;	2131	mp = m;
2401	nx = x + freearr_x[i];	2132	nx = x + freearr_x[i];
2402	ny = y + freearr_y[i];	2133	ny = y + freearr_y[i];
2403		2134
2404	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2135	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2136
2405	if (mflags & P_OUT_OF_MAP)	2137	if (mflags & P_OUT_OF_MAP)
2406	{
2407	max = maxfree[i];	2138	max = maxfree[i];
2408	}
2409	else	2139	else
2410	{	2140	{
2411	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2141	mapspace &ms = mp->at (nx, ny);
		2142
		2143	blocked = ms.move_block;
2412		2144
2413	if ((move_type & blocked) == move_type)	2145	if ((move_type & blocked) == move_type)
2414	{
2415	max = maxfree[i];	2146	max = maxfree[i];
2416	}
2417	else if (mflags & P_IS_ALIVE)	2147	else if (mflags & P_IS_ALIVE)
2418	{	2148	{
2419	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2149	for (tmp = ms.bot; tmp; tmp = tmp->above)
2420	{	2150	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2421	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2151	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2422	{
2423	break;	2152	break;
2424	}	2153
2425	}
2426	if (tmp)	2154	if (tmp)
2427	{
2428	return freedir[i];	2155	return freedir[i];
2429	}
2430	}	2156	}
2431	}	2157	}
2432	}	2158	}
		2159
2433	return 0;	2160	return 0;
2434	}	2161	}
2435		2162
2436	/*	2163	/*
2437	* distance(object 1, object 2) will return the square of the	2164	* distance(object 1, object 2) will return the square of the
2438	* distance between the two given objects.	2165	* distance between the two given objects.
2439	*/	2166	*/
2440
2441	int	2167	int
2442	distance (const object *ob1, const object *ob2)	2168	distance (const object *ob1, const object *ob2)
2443	{	2169	{
2444	int
2445	i;
2446
2447	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2170	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2448	return i;
2449	}	2171	}
2450		2172
2451	/*	2173	/*
2452	* find_dir_2(delta-x,delta-y) will return a direction in which	2174	* find_dir_2(delta-x,delta-y) will return a direction in which
2453	* an object which has subtracted the x and y coordinates of another	2175	* an object which has subtracted the x and y coordinates of another
2454	* object, needs to travel toward it.	2176	* object, needs to travel toward it.
2455	*/	2177	*/
2456
2457	int	2178	int
2458	find_dir_2 (int x, int y)	2179	find_dir_2 (int x, int y)
2459	{	2180	{
2460	int	2181	int q;
2461	q;
2462		2182
2463	if (y)	2183	if (y)
2464	q = x * 100 / y;	2184	q = x * 100 / y;
2465	else if (x)	2185	else if (x)
2466	q = -300 * x;	2186	q = -300 * x;
…		…
2491		2211
2492	return 3;	2212	return 3;
2493	}	2213	}
2494		2214
2495	/*	2215	/*
2496	* absdir(int): Returns a number between 1 and 8, which represent
2497	* the "absolute" direction of a number (it actually takes care of
2498	* "overflow" in previous calculations of a direction).
2499	*/
2500
2501	int
2502	absdir (int d)
2503	{
2504	while (d < 1)
2505	d += 8;
2506	while (d > 8)
2507	d -= 8;
2508	return d;
2509	}
2510
2511	/*
2512	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2216	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2513	* between two directions (which are expected to be absolute (see absdir())	2217	* between two directions (which are expected to be absolute (see absdir())
2514	*/	2218	*/
2515
2516	int	2219	int
2517	dirdiff (int dir1, int dir2)	2220	dirdiff (int dir1, int dir2)
2518	{	2221	{
2519	int	2222	int d;
2520	d;
2521		2223
2522	d = abs (dir1 - dir2);	2224	d = abs (dir1 - dir2);
2523	if (d > 4)	2225	if (d > 4)
2524	d = 8 - d;	2226	d = 8 - d;
		2227
2525	return d;	2228	return d;
2526	}	2229	}
2527		2230
2528	/* peterm:	2231	/* peterm:
2529	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2232	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2532	* This basically means that if direction is 15, then it could either go	2235	* This basically means that if direction is 15, then it could either go
2533	* direction 4, 14, or 16 to get back to where we are.	2236	* direction 4, 14, or 16 to get back to where we are.
2534	* Moved from spell_util.c to object.c with the other related direction	2237	* Moved from spell_util.c to object.c with the other related direction
2535	* functions.	2238	* functions.
2536	*/	2239	*/
2537
2538	int
2539	reduction_dir[SIZEOFFREE][3] = {	2240	int reduction_dir[SIZEOFFREE][3] = {
2540	{0, 0, 0}, /* 0 */	2241	{0, 0, 0}, /* 0 */
2541	{0, 0, 0}, /* 1 */	2242	{0, 0, 0}, /* 1 */
2542	{0, 0, 0}, /* 2 */	2243	{0, 0, 0}, /* 2 */
2543	{0, 0, 0}, /* 3 */	2244	{0, 0, 0}, /* 3 */
2544	{0, 0, 0}, /* 4 */	2245	{0, 0, 0}, /* 4 */
…		…
2592	* find a path to that monster that we found. If not,	2293	* find a path to that monster that we found. If not,
2593	* we don't bother going toward it. Returns 1 if we	2294	* we don't bother going toward it. Returns 1 if we
2594	* can see a direct way to get it	2295	* can see a direct way to get it
2595	* Modified to be map tile aware -.MSW	2296	* Modified to be map tile aware -.MSW
2596	*/	2297	*/
2597
2598
2599	int	2298	int
2600	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2299	can_see_monsterP (maptile *m, int x, int y, int dir)
2601	{	2300	{
2602	sint16	2301	sint16 dx, dy;
2603	dx,
2604	dy;
2605	int
2606	mflags;	2302	int mflags;
2607		2303
2608	if (dir < 0)	2304	if (dir < 0)
2609	return 0; /* exit condition: invalid direction */	2305	return 0; /* exit condition: invalid direction */
2610		2306
2611	dx = x + freearr_x[dir];	2307	dx = x + freearr_x[dir];
…		…
2624	return 0;	2320	return 0;
2625		2321
2626	/* yes, can see. */	2322	/* yes, can see. */
2627	if (dir < 9)	2323	if (dir < 9)
2628	return 1;	2324	return 1;
		2325
2629	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2326	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2630	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2327	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2328	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2631	}	2329	}
2632
2633
2634		2330
2635	/*	2331	/*
2636	* can_pick(picker, item): finds out if an object is possible to be	2332	* can_pick(picker, item): finds out if an object is possible to be
2637	* picked up by the picker. Returnes 1 if it can be	2333	* picked up by the picker. Returnes 1 if it can be
2638	* picked up, otherwise 0.	2334	* picked up, otherwise 0.
…		…
2640	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2336	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2641	* core dumps if they do.	2337	* core dumps if they do.
2642	*	2338	*
2643	* Add a check so we can't pick up invisible objects (0.93.8)	2339	* Add a check so we can't pick up invisible objects (0.93.8)
2644	*/	2340	*/
2645
2646	int	2341	int
2647	can_pick (const object *who, const object *item)	2342	can_pick (const object *who, const object *item)
2648	{	2343	{
2649	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2344	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2650	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2345	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2651	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2346	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2652	}	2347	}
2653		2348
2654
2655	/*	2349	/*
2656	* create clone from object to another	2350	* create clone from object to another
2657	*/	2351	*/
2658	object *	2352	object *
2659	object_create_clone (object *asrc)	2353	object_create_clone (object *asrc)
2660	{	2354	{
2661	object *
2662	dst = NULL, *tmp, *src, *part, *prev, *item;	2355	object *dst = 0, *tmp, *src, *prev, *item;
2663		2356
2664	if (!asrc)	2357	if (!asrc)
2665	return NULL;	2358	return 0;
2666	src = asrc;	2359
2667	if (src->head)
2668	src = src->head;	2360	src = asrc->head_ ();
2669		2361
2670	prev = NULL;	2362	prev = 0;
2671	for (part = src; part; part = part->more)	2363	for (object *part = src; part; part = part->more)
2672	{	2364	{
2673	tmp = get_object ();	2365	tmp = part->clone ();
2674	copy_object (part, tmp);
2675	tmp->x -= src->x;	2366	tmp->x -= src->x;
2676	tmp->y -= src->y;	2367	tmp->y -= src->y;
		2368
2677	if (!part->head)	2369	if (!part->head)
2678	{	2370	{
2679	dst = tmp;	2371	dst = tmp;
2680	tmp->head = NULL;	2372	tmp->head = 0;
2681	}	2373	}
2682	else	2374	else
2683	{
2684	tmp->head = dst;	2375	tmp->head = dst;
2685	}	2376
2686	tmp->more = NULL;	2377	tmp->more = 0;
		2378
2687	if (prev)	2379	if (prev)
2688	prev->more = tmp;	2380	prev->more = tmp;
		2381
2689	prev = tmp;	2382	prev = tmp;
2690	}	2383	}
2691		2384
2692	/*** copy inventory ***/
2693	for (item = src->inv; item; item = item->below)	2385	for (item = src->inv; item; item = item->below)
2694	{
2695	(void) insert_ob_in_ob (object_create_clone (item), dst);	2386	insert_ob_in_ob (object_create_clone (item), dst);
2696	}
2697		2387
2698	return dst;	2388	return dst;
2699	}
2700
2701	/* return true if the object was destroyed, 0 otherwise */
2702	int
2703	was_destroyed (const object *op, tag_t old_tag)
2704	{
2705	/* checking for FLAG_FREED isn't necessary, but makes this function more
2706	* robust */
2707	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2708	}
2709
2710	/* GROS - Creates an object using a string representing its content. */
2711
2712	/* Basically, we save the content of the string to a temp file, then call */
2713
2714	/* load_object on it. I admit it is a highly inefficient way to make things, */
2715
2716	/* but it was simple to make and allows reusing the load_object function. */
2717
2718	/* Remember not to use load_object_str in a time-critical situation. */
2719
2720	/* Also remember that multiparts objects are not supported for now. */
2721
2722	object *
2723	load_object_str (const char *obstr)
2724	{
2725	object *
2726	op;
2727	char
2728	filename[MAX_BUF];
2729
2730	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2731
2732	FILE *
2733	tempfile = fopen (filename, "w");
2734
2735	if (tempfile == NULL)
2736	{
2737	LOG (llevError, "Error - Unable to access load object temp file\n");
2738	return NULL;
2739	};
2740	fprintf (tempfile, obstr);
2741	fclose (tempfile);
2742
2743	op = get_object ();
2744
2745	object_thawer
2746	thawer (filename);
2747
2748	if (thawer)
2749	load_object (thawer, op, 0);
2750
2751	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2752	CLEAR_FLAG (op, FLAG_REMOVED);
2753
2754	return op;
2755	}	2389	}
2756		2390
2757	/* This returns the first object in who's inventory that	2391	/* This returns the first object in who's inventory that
2758	* has the same type and subtype match.	2392	* has the same type and subtype match.
2759	* returns NULL if no match.	2393	* returns NULL if no match.
2760	*/	2394	*/
2761	object *	2395	object *
2762	find_obj_by_type_subtype (const object *who, int type, int subtype)	2396	find_obj_by_type_subtype (const object *who, int type, int subtype)
2763	{	2397	{
2764	object *
2765	tmp;
2766
2767	for (tmp = who->inv; tmp; tmp = tmp->below)	2398	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2768	if (tmp->type == type && tmp->subtype == subtype)	2399	if (tmp->type == type && tmp->subtype == subtype)
2769	return tmp;	2400	return tmp;
2770		2401
2771	return NULL;	2402	return 0;
2772	}	2403	}
2773		2404
2774	/* If ob has a field named key, return the link from the list,	2405	/* If ob has a field named key, return the link from the list,
2775	* otherwise return NULL.	2406	* otherwise return NULL.
2776	*	2407	*
…		…
2778	* do the desired thing.	2409	* do the desired thing.
2779	*/	2410	*/
2780	key_value *	2411	key_value *
2781	get_ob_key_link (const object *ob, const char *key)	2412	get_ob_key_link (const object *ob, const char *key)
2782	{	2413	{
2783	key_value *
2784	link;
2785
2786	for (link = ob->key_values; link != NULL; link = link->next)	2414	for (key_value *link = ob->key_values; link; link = link->next)
2787	{
2788	if (link->key == key)	2415	if (link->key == key)
2789	{
2790	return link;	2416	return link;
2791	}
2792	}
2793		2417
2794	return NULL;	2418	return 0;
2795	}	2419	}
2796		2420
2797	/*	2421	/*
2798	* Returns the value of op has an extra_field for key, or NULL.	2422	* Returns the value of op has an extra_field for key, or NULL.
2799	*	2423	*
…		…
2802	* The returned string is shared.	2426	* The returned string is shared.
2803	*/	2427	*/
2804	const char *	2428	const char *
2805	get_ob_key_value (const object *op, const char *const key)	2429	get_ob_key_value (const object *op, const char *const key)
2806	{	2430	{
2807	key_value *	2431	key_value *link;
2808	link;	2432	shstr_cmp canonical_key (key);
2809	const char *
2810	canonical_key;
2811		2433
2812	canonical_key = shstr::find (key);
2813
2814	if (canonical_key == NULL)	2434	if (!canonical_key)
2815	{	2435	{
2816	/* 1. There being a field named key on any object	2436	/* 1. There being a field named key on any object
2817	* implies there'd be a shared string to find.	2437	* implies there'd be a shared string to find.
2818	* 2. Since there isn't, no object has this field.	2438	* 2. Since there isn't, no object has this field.
2819	* 3. Therefore, *this* object doesn't have this field.	2439	* 3. Therefore, *this* object doesn't have this field.
2820	*/	2440	*/
2821	return NULL;	2441	return 0;
2822	}	2442	}
2823		2443
2824	/* This is copied from get_ob_key_link() above -	2444	/* This is copied from get_ob_key_link() above -
2825	* only 4 lines, and saves the function call overhead.	2445	* only 4 lines, and saves the function call overhead.
2826	*/	2446	*/
2827	for (link = op->key_values; link != NULL; link = link->next)	2447	for (link = op->key_values; link; link = link->next)
2828	{
2829	if (link->key == canonical_key)	2448	if (link->key == canonical_key)
2830	{
2831	return link->value;	2449	return link->value;
2832	}	2450
2833	}
2834	return NULL;	2451	return 0;
2835	}	2452	}
2836
2837		2453
2838	/*	2454	/*
2839	* Updates the canonical_key in op to value.	2455	* Updates the canonical_key in op to value.
2840	*	2456	*
2841	* canonical_key is a shared string (value doesn't have to be).	2457	* canonical_key is a shared string (value doesn't have to be).
…		…
2846	* Returns TRUE on success.	2462	* Returns TRUE on success.
2847	*/	2463	*/
2848	int	2464	int
2849	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2465	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2850	{	2466	{
2851	key_value *
2852	field = NULL, *last = NULL;	2467	key_value *field = NULL, *last = NULL;
2853		2468
2854	for (field = op->key_values; field != NULL; field = field->next)	2469	for (field = op->key_values; field != NULL; field = field->next)
2855	{	2470	{
2856	if (field->key != canonical_key)	2471	if (field->key != canonical_key)
2857	{	2472	{
…		…
2866	/* Basically, if the archetype has this key set,	2481	/* Basically, if the archetype has this key set,
2867	* we need to store the null value so when we save	2482	* we need to store the null value so when we save
2868	* it, we save the empty value so that when we load,	2483	* it, we save the empty value so that when we load,
2869	* we get this value back again.	2484	* we get this value back again.
2870	*/	2485	*/
2871	if (get_ob_key_link (&op->arch->clone, canonical_key))	2486	if (get_ob_key_link (op->arch, canonical_key))
2872	field->value = 0;	2487	field->value = 0;
2873	else	2488	else
2874	{	2489	{
2875	if (last)	2490	if (last)
2876	last->next = field->next;	2491	last->next = field->next;
2877	else	2492	else
2878	op->key_values = field->next;	2493	op->key_values = field->next;
2879		2494
2880	delete
2881	field;	2495	delete field;
2882	}	2496	}
2883	}	2497	}
2884	return TRUE;	2498	return TRUE;
2885	}	2499	}
2886	/* IF we get here, key doesn't exist */	2500	/* IF we get here, key doesn't exist */
2887		2501
2888	/* No field, we'll have to add it. */	2502	/* No field, we'll have to add it. */
2889		2503
2890	if (!add_key)	2504	if (!add_key)
2891	{
2892	return FALSE;	2505	return FALSE;
2893	}	2506
2894	/* There isn't any good reason to store a null	2507	/* There isn't any good reason to store a null
2895	* value in the key/value list. If the archetype has	2508	* value in the key/value list. If the archetype has
2896	* this key, then we should also have it, so shouldn't	2509	* this key, then we should also have it, so shouldn't
2897	* be here. If user wants to store empty strings,	2510	* be here. If user wants to store empty strings,
2898	* should pass in ""	2511	* should pass in ""
…		…
2921	* Returns TRUE on success.	2534	* Returns TRUE on success.
2922	*/	2535	*/
2923	int	2536	int
2924	set_ob_key_value (object *op, const char *key, const char *value, int add_key)	2537	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2925	{	2538	{
2926	shstr
2927	key_ (key);	2539	shstr key_ (key);
2928		2540
2929	return set_ob_key_value_s (op, key_, value, add_key);	2541	return set_ob_key_value_s (op, key_, value, add_key);
2930	}	2542	}
		2543
		2544	object::depth_iterator::depth_iterator (object *container)
		2545	: iterator_base (container)
		2546	{
		2547	while (item->inv)
		2548	item = item->inv;
		2549	}
		2550
		2551	void
		2552	object::depth_iterator::next ()
		2553	{
		2554	if (item->below)
		2555	{
		2556	item = item->below;
		2557
		2558	while (item->inv)
		2559	item = item->inv;
		2560	}
		2561	else
		2562	item = item->env;
		2563	}
		2564
		2565	const char *
		2566	object::flag_desc (char *desc, int len) const
		2567	{
		2568	char *p = desc;
		2569	bool first = true;
		2570
		2571	*p = 0;
		2572
		2573	for (int i = 0; i < NUM_FLAGS; i++)
		2574	{
		2575	if (len <= 10) // magic constant!
		2576	{
		2577	snprintf (p, len, ",...");
		2578	break;
		2579	}
		2580
		2581	if (flag [i])
		2582	{
		2583	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2584	len -= cnt;
		2585	p += cnt;
		2586	first = false;
		2587	}
		2588	}
		2589
		2590	return desc;
		2591	}
		2592
		2593	// return a suitable string describing an object in enough detail to find it
		2594	const char *
		2595	object::debug_desc (char *info) const
		2596	{
		2597	char flagdesc[512];
		2598	char info2[256 * 4];
		2599	char *p = info;
		2600
		2601	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
		2602	count,
		2603	uuid.c_str (),
		2604	&name,
		2605	title ? "\",title:\"" : "",
		2606	title ? (const char *)title : "",
		2607	flag_desc (flagdesc, 512), type);
		2608
		2609	if (!this->flag[FLAG_REMOVED] && env)
		2610	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2611
		2612	if (map)
		2613	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
		2614
		2615	return info;
		2616	}
		2617
		2618	const char *
		2619	object::debug_desc () const
		2620	{
		2621	static char info[3][256 * 4];
		2622	static int info_idx;
		2623
		2624	return debug_desc (info [++info_idx % 3]);
		2625	}
		2626
		2627	struct region *
		2628	object::region () const
		2629	{
		2630	return map ? map->region (x, y)
		2631	: region::default_region ();
		2632	}
		2633
		2634	const materialtype_t *
		2635	object::dominant_material () const
		2636	{
		2637	if (materialtype_t *mt = name_to_material (materialname))
		2638	return mt;
		2639
		2640	return name_to_material (shstr_unknown);
		2641	}
		2642
		2643	void
		2644	object::open_container (object *new_container)
		2645	{
		2646	if (container == new_container)
		2647	return;
		2648
		2649	if (object *old_container = container)
		2650	{
		2651	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2652	return;
		2653
		2654	#if 0
		2655	// remove the "Close old_container" object.
		2656	if (object *closer = old_container->inv)
		2657	if (closer->type == CLOSE_CON)
		2658	closer->destroy ();
		2659	#endif
		2660
		2661	old_container->flag [FLAG_APPLIED] = 0;
		2662	container = 0;
		2663
		2664	esrv_update_item (UPD_FLAGS, this, old_container);
		2665	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2666	play_sound (sound_find ("chest_close"));
		2667	}
		2668
		2669	if (new_container)
		2670	{
		2671	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2672	return;
		2673
		2674	// TODO: this does not seem to serve any purpose anymore?
		2675	#if 0
		2676	// insert the "Close Container" object.
		2677	if (archetype *closer = new_container->other_arch)
		2678	{
		2679	object *closer = arch_to_object (new_container->other_arch);
		2680	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2681	new_container->insert (closer);
		2682	}
		2683	#endif
		2684
		2685	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2686
		2687	new_container->flag [FLAG_APPLIED] = 1;
		2688	container = new_container;
		2689
		2690	esrv_update_item (UPD_FLAGS, this, new_container);
		2691	esrv_send_inventory (this, new_container);
		2692	play_sound (sound_find ("chest_open"));
		2693	}
		2694	}
		2695
		2696	object *
		2697	object::force_find (const shstr name)
		2698	{
		2699	/* cycle through his inventory to look for the MARK we want to
		2700	* place
		2701	*/
		2702	for (object *tmp = inv; tmp; tmp = tmp->below)
		2703	if (tmp->type == FORCE && tmp->slaying == name)
		2704	return splay (tmp);
		2705
		2706	return 0;
		2707	}
		2708
		2709	void
		2710	object::force_add (const shstr name, int duration)
		2711	{
		2712	if (object *force = force_find (name))
		2713	force->destroy ();
		2714
		2715	object *force = get_archetype (FORCE_NAME);
		2716
		2717	force->slaying = name;
		2718	force->stats.food = 1;
		2719	force->speed_left = -1.f;
		2720
		2721	force->set_speed (duration ? 1.f / duration : 0.f);
		2722	force->flag [FLAG_IS_USED_UP] = true;
		2723	force->flag [FLAG_APPLIED] = true;
		2724
		2725	insert (force);
		2726	}
		2727
		2728	void
		2729	object::play_sound (faceidx sound) const
		2730	{
		2731	if (!sound)
		2732	return;
		2733
		2734	if (flag [FLAG_REMOVED])
		2735	return;
		2736
		2737	if (env)
		2738	{
		2739	if (object *pl = in_player ())
		2740	pl->contr->play_sound (sound);
		2741	}
		2742	else
		2743	map->play_sound (sound, x, y);
		2744	}
		2745

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