ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/common/object.C

Comparing deliantra/server/common/object.C (file contents):
Revision 1.34 by root, Tue Sep 12 01:09:53 2006 UTC vs.
Revision 1.207 by root, Sun Apr 20 23:25:09 2008 UTC

1
2	/*	1	/*
3	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
4		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7		7	*
8	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
10	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	(at your option) any later version.	11	* (at your option) any later version.
12		12	*
13	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU General Public License for more details.	16	* GNU General Public License for more details.
17		17	*
18	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
19	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
21		21	* The authors can be reached via e-mail to <support@deliantra.net>
22	The authors can be reached via e-mail at crossfire-devel@real-time.com
23	*/	22	*/
24		23
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
27	variable. */	26	variable. */
		27
28	#include <global.h>	28	#include <global.h>
29	#include <stdio.h>	29	#include <stdio.h>
30	#include <sys/types.h>	30	#include <sys/types.h>
31	#include <sys/uio.h>	31	#include <sys/uio.h>
32	#include <object.h>	32	#include <object.h>
33	#include <funcpoint.h>	33	#include <funcpoint.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	object *
448	object::get_owner ()
449	{
450	if (!owner
451	|| QUERY_FLAG (owner, FLAG_FREED)
452	|| QUERY_FLAG (owner, FLAG_REMOVED))
453	owner = 0;
454
455	return owner;
456	}	451	}
457		452
458	/*	453	/*
459	* 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
460	* skill and experience objects.	455	* skill and experience objects.
		456	* ACTUALLY NO! investigate! TODO
461	*/	457	*/
462	void	458	void
463	object::set_owner (object *owner)	459	object::set_owner (object *owner)
464	{	460	{
		461	// allow objects which own objects
465	if (!owner)	462	if (owner)
466	return;
467
468	/* next line added to allow objects which own objects */
469	/* Add a check for ownercounts in here, as I got into an endless loop
470	* with the fireball owning a poison cloud which then owned the
471	* fireball. I believe that was caused by one of the objects getting
472	* freed and then another object replacing it. Since the ownercounts
473	* didn't match, this check is valid and I believe that cause is valid.
474	*/
475	while (owner->owner)	463	while (owner->owner)
476	owner = owner->owner;	464	owner = owner->owner;
		465
		466	if (flag [FLAG_FREED])
		467	{
		468	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		469	return;
		470	}
477		471
478	this->owner = owner;	472	this->owner = owner;
		473	}
		474
		475	int
		476	object::slottype () const
		477	{
		478	if (type == SKILL)
		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	}
		491
		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;
479	}	539	}
480		540
481	/* Zero the key_values on op, decrementing the shared-string	541	/* Zero the key_values on op, decrementing the shared-string
482	* refcounts and freeing the links.	542	* refcounts and freeing the links.
483	*/	543	*/
484	static void	544	static void
485	free_key_values (object *op)	545	free_key_values (object *op)
486	{	546	{
487	for (key_value *i = op->key_values; i != 0;)	547	for (key_value *i = op->key_values; i; )
488	{	548	{
489	key_value *next = i->next;	549	key_value *next = i->next;
490	delete i;	550	delete i;
491		551
492	i = next;	552	i = next;
493	}	553	}
494		554
495	op->key_values = 0;	555	op->key_values = 0;
496	}	556	}
497		557
498	void object::clear ()	558	object &
		559	object::operator =(const object &src)
499	{	560	{
500	attachable_base::clear ();	561	bool is_freed = flag [FLAG_FREED];
		562	bool is_removed = flag [FLAG_REMOVED];
501		563
502	free_key_values (this);	564	*(object_copy *)this = src;
503		565
504	owner = 0;	566	flag [FLAG_FREED] = is_freed;
505	name = 0;	567	flag [FLAG_REMOVED] = is_removed;
506	name_pl = 0;
507	title = 0;
508	race = 0;
509	slaying = 0;
510	skill = 0;
511	msg = 0;
512	lore = 0;
513	custom_name = 0;
514	materialname = 0;
515	contr = 0;
516	below = 0;
517	above = 0;
518	inv = 0;
519	container = 0;
520	env = 0;
521	more = 0;
522	head = 0;
523	map = 0;
524	active_next = 0;
525	active_prev = 0;
526
527	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
528
529	SET_FLAG (this, FLAG_REMOVED);
530
531	/* What is not cleared is next, prev, and count */
532
533	expmul = 1.0;
534	face = blank_face;
535	attacked_by_count = -1;
536
537	if (settings.casting_time)
538	casting_time = -1;
539	}
540
541	void object::clone (object *destination)
542	{
543	*(object_copy *)destination = *this;
544	*(object_pod *)destination = *this;
545
546	if (self || cb)
547	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
548	}
549
550	/*
551	* copy object first frees everything allocated by the second object,
552	* and then copies the contends of the first object into the second
553	* object, allocating what needs to be allocated. Basically, any
554	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
555	* if the first object is freed, the pointers in the new object
556	* will point at garbage.
557	*/
558	void
559	copy_object (object *op2, object *op)
560	{
561	bool is_freed = QUERY_FLAG (op, FLAG_FREED);
562	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
563
564	op2->clone (op);
565
566	if (is_freed)
567	SET_FLAG (op, FLAG_FREED);
568	if (is_removed)
569	SET_FLAG (op, FLAG_REMOVED);
570
571	if (op2->speed < 0)
572	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
573		568
574	/* Copy over key_values, if any. */	569	/* Copy over key_values, if any. */
575	if (op2->key_values)	570	if (src.key_values)
576	{	571	{
577	key_value *tail = 0;	572	key_value *tail = 0;
578	key_value *i;
579
580	op->key_values = 0;	573	key_values = 0;
581		574
582	for (i = op2->key_values; i; i = i->next)	575	for (key_value *i = src.key_values; i; i = i->next)
583	{	576	{
584	key_value *new_link = new key_value;	577	key_value *new_link = new key_value;
585		578
586	new_link->next = 0;	579	new_link->next = 0;
587	new_link->key = i->key;	580	new_link->key = i->key;
588	new_link->value = i->value;	581	new_link->value = i->value;
589		582
590	/* Try and be clever here, too. */	583	/* Try and be clever here, too. */
591	if (!op->key_values)	584	if (!key_values)
592	{	585	{
593	op->key_values = new_link;	586	key_values = new_link;
594	tail = new_link;	587	tail = new_link;
595	}	588	}
596	else	589	else
597	{	590	{
598	tail->next = new_link;	591	tail->next = new_link;
599	tail = new_link;	592	tail = new_link;
600	}	593	}
601	}	594	}
602	}	595	}
		596	}
603		597
604	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;
605	}	642	}
606		643
607	/*	644	/*
608	* 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
609	* 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
610	* 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.
611	*/	648	*/
612
613	void	649	void
614	update_turn_face (object *op)	650	update_turn_face (object *op)
615	{	651	{
616	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	652	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
617	return;	653	return;
		654
618	SET_ANIMATION (op, op->direction);	655	SET_ANIMATION (op, op->direction);
619	update_object (op, UP_OBJ_FACE);	656	update_object (op, UP_OBJ_FACE);
620	}	657	}
621		658
622	/*	659	/*
623	* 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
624	* 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.
625	* 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.
626	*/	663	*/
627	void	664	void
628	update_ob_speed (object *op)	665	object::set_speed (float speed)
629	{	666	{
630	extern int arch_init;	667	if (flag [FLAG_FREED] && speed)
631
632	/* No reason putting the archetypes objects on the speed list,
633	* since they never really need to be updated.
634	*/
635
636	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
637	{	668	{
638	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	669	LOG (llevError, "Object %s is freed but has speed.\n", &name);
639	#ifdef MANY_CORES
640	abort ();
641	#else
642	op->speed = 0;	670	speed = 0;
643	#endif
644	}
645
646	if (arch_init)
647	return;
648
649	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
650	{	671	}
651	/* If already on active list, don't do anything */
652	if (op->active_next || op->active_prev || op == active_objects)
653	return;
654		672
655	/* process_events() expects us to insert the object at the beginning	673	this->speed = speed;
656	* of the list. */
657	op->active_next = active_objects;
658		674
659	if (op->active_next != NULL)	675	if (has_active_speed ())
660	op->active_next->active_prev = op;	676	activate ();
661
662	active_objects = op;
663	}
664	else	677	else
665	{	678	deactivate ();
666	/* If not on the active list, nothing needs to be done */
667	if (!op->active_next && !op->active_prev && op != active_objects)
668	return;
669
670	if (op->active_prev == NULL)
671	{
672	active_objects = op->active_next;
673
674	if (op->active_next != NULL)
675	op->active_next->active_prev = NULL;
676	}
677	else
678	{
679	op->active_prev->active_next = op->active_next;
680
681	if (op->active_next)
682	op->active_next->active_prev = op->active_prev;
683	}
684
685	op->active_next = NULL;
686	op->active_prev = NULL;
687	}
688	}	679	}
689		680
690	/* This function removes object 'op' from the list of active
691	* objects.
692	* This should only be used for style maps or other such
693	* reference maps where you don't want an object that isn't
694	* in play chewing up cpu time getting processed.
695	* The reverse of this is to call update_ob_speed, which
696	* will do the right thing based on the speed of the object.
697	*/
698	void
699	remove_from_active_list (object *op)
700	{
701	/* If not on the active list, nothing needs to be done */
702	if (!op->active_next && !op->active_prev && op != active_objects)
703	return;
704
705	if (op->active_prev == NULL)
706	{
707	active_objects = op->active_next;
708	if (op->active_next != NULL)
709	op->active_next->active_prev = NULL;
710	}
711	else
712	{
713	op->active_prev->active_next = op->active_next;
714	if (op->active_next)
715	op->active_next->active_prev = op->active_prev;
716	}
717	op->active_next = NULL;
718	op->active_prev = NULL;
719	}
720
721	/*	681	/*
722	* update_object() updates the array which represents the map.	682	* update_object() updates the the map.
723	* It takes into account invisible objects (and represent squares covered	683	* It takes into account invisible objects (and represent squares covered
724	* 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
725	* invisible object, etc...)	685	* invisible object, etc...)
726	* 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
727	* 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
728	* updating that window, though, since update_object() is called _often_)	688	* updating that window, though, since update_object() is called _often_)
729	*	689	*
730	* 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.
731	* For example, if the only thing that has changed is the face (due to
732	* an animation), we don't need to call update_position until that actually
733	* comes into view of a player. OTOH, many other things, like addition/removal
734	* of walls or living creatures may need us to update the flags now.
735	* current action are:	691	* current action are:
736	* UP_OBJ_INSERT: op was inserted	692	* UP_OBJ_INSERT: op was inserted
737	* UP_OBJ_REMOVE: op was removed	693	* UP_OBJ_REMOVE: op was removed
738	* 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
739	* 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.
740	* UP_OBJ_FACE: only the objects face has changed.	696	* UP_OBJ_FACE: only the objects face has changed.
741	*/	697	*/
742
743	void	698	void
744	update_object (object *op, int action)	699	update_object (object *op, int action)
745	{	700	{
746	int update_now = 0, flags;
747	MoveType move_on, move_off, move_block, move_slow;
748
749	if (op == NULL)	701	if (op == NULL)
750	{	702	{
751	/* this should never happen */	703	/* this should never happen */
752	LOG (llevDebug, "update_object() called for NULL object.\n");	704	LOG (llevDebug, "update_object() called for NULL object.\n");
753	return;	705	return;
754	}	706	}
755		707
756	if (op->env != NULL)	708	if (op->env)
757	{	709	{
758	/* Animation is currently handled by client, so nothing	710	/* Animation is currently handled by client, so nothing
759	* to do in this case.	711	* to do in this case.
760	*/	712	*/
761	return;	713	return;
…		…
766	*/	718	*/
767	if (!op->map || op->map->in_memory == MAP_SAVING)	719	if (!op->map || op->map->in_memory == MAP_SAVING)
768	return;	720	return;
769		721
770	/* make sure the object is within map boundaries */	722	/* make sure the object is within map boundaries */
771	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	723	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
772	{	724	{
773	LOG (llevError, "update_object() called for object out of map!\n");	725	LOG (llevError, "update_object() called for object out of map!\n");
774	#ifdef MANY_CORES	726	#ifdef MANY_CORES
775	abort ();	727	abort ();
776	#endif	728	#endif
777	return;	729	return;
778	}	730	}
779		731
780	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	732	mapspace &m = op->ms ();
781	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
782	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
783	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
784	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
785	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
786		733
		734	if (!(m.flags_ & P_UPTODATE))
		735	/* nop */;
787	if (action == UP_OBJ_INSERT)	736	else if (action == UP_OBJ_INSERT)
788	{	737	{
		738	// this is likely overkill, TODO: revisit (schmorp)
789	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	739	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
790	update_now = 1;
791
792	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	740	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
793	update_now = 1;	741	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
794		742	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		743	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
795	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	744	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
796	update_now = 1;
797
798	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
799	update_now = 1;
800
801	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
802	update_now = 1;
803
804	if ((move_on | op->move_on) != move_on)	745	|| (m.move_on | op->move_on ) != m.move_on
805	update_now = 1;
806
807	if ((move_off | op->move_off) != move_off)	746	|| (m.move_off | op->move_off ) != m.move_off
808	update_now = 1;	747	|| (m.move_slow | op->move_slow) != m.move_slow
809
810	/* This isn't perfect, but I don't expect a lot of objects to	748	/* This isn't perfect, but I don't expect a lot of objects to
811	* to have move_allow right now.	749	* to have move_allow right now.
812	*/	750	*/
813	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	751	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
814	update_now = 1;	752	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
815		753	m.flags_ = 0;
816	if ((move_slow | op->move_slow) != move_slow)
817	update_now = 1;
818	}	754	}
819	/* if the object is being removed, we can't make intelligent	755	/* if the object is being removed, we can't make intelligent
820	* decisions, because remove_ob can't really pass the object	756	* decisions, because remove_ob can't really pass the object
821	* that is being removed.	757	* that is being removed.
822	*/	758	*/
823	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	759	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
824	update_now = 1;	760	m.flags_ = 0;
825	else if (action == UP_OBJ_FACE)	761	else if (action == UP_OBJ_FACE)
826	/* Nothing to do for that case */ ;	762	/* Nothing to do for that case */ ;
827	else	763	else
828	LOG (llevError, "update_object called with invalid action: %d\n", action);	764	LOG (llevError, "update_object called with invalid action: %d\n", action);
829		765
830	if (update_now)
831	{
832	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
833	update_position (op->map, op->x, op->y);
834	}
835
836	if (op->more != NULL)	766	if (op->more)
837	update_object (op->more, action);	767	update_object (op->more, action);
838	}
839
840	static unordered_vector<object *> mortals;
841	static std::vector<object *> freed;
842
843	void object::free_mortals ()
844	{
845	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();)
846	if ((*i)->refcnt)
847	++i; // further delay freeing
848	else
849	{
850	freed.push_back (*i);//D
851	//delete *i;
852	mortals.erase (i);
853	}
854
855	if (mortals.size())//D
856	LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D
857	}	768	}
858		769
859	object::object ()	770	object::object ()
860	{	771	{
861	SET_FLAG (this, FLAG_REMOVED);	772	SET_FLAG (this, FLAG_REMOVED);
862		773
863	expmul = 1.0;	774	expmul = 1.0;
864	face = blank_face;	775	face = blank_face;
865	attacked_by_count = -1;
866	}	776	}
867		777
868	object::~object ()	778	object::~object ()
869	{	779	{
		780	unlink ();
		781
870	free_key_values (this);	782	free_key_values (this);
871	}	783	}
872		784
		785	static int object_count;
		786
873	void object::link ()	787	void object::link ()
874	{	788	{
		789	assert (!index);//D
		790	uuid = UUID::gen ();
875	count = ++ob_count;	791	count = ++object_count;
876		792
877	prev = 0;	793	refcnt_inc ();
878	next = objects;	794	objects.insert (this);
879
880	if (objects)
881	objects->prev = this;
882
883	objects = this;
884	}	795	}
885		796
886	void object::unlink ()	797	void object::unlink ()
887	{	798	{
888	count = 0;
889
890	/* Remove this object from the list of used objects */
891	if (prev)
892	{
893	prev->next = next;
894	prev = 0;
895	}
896
897	if (next)	799	if (!index)
898	{	800	return;
899	next->prev = prev;	801
900	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)
901	}	857	{
		858	op->flag [flag] = value;
		859	op->set_flag_inv (flag, value);
		860	}
		861	}
902		862
903	if (this == objects)	863	/*
904	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	}
905	}	911	}
906		912
907	object *object::create ()	913	object *object::create ()
908	{	914	{
909	object *op;
910
911	if (freed.empty ())
912	op = new object;	915	object *op = new object;
913	else
914	{
915	// highly annoying, but the only way to get it stable right now
916	op = freed.back ();
917	freed.pop_back ();
918	op->~object ();
919	new ((void *) op) object;
920	}
921
922	op->link ();	916	op->link ();
923	return op;	917	return op;
924	}	918	}
925		919
926	/*	920	void
927	* free_object() frees everything allocated by an object, removes	921	object::do_destroy ()
928	* it from the list of used objects, and puts it on the list of
929	* free objects. The IS_FREED() flag is set in the object.
930	* The object must have been removed by remove_ob() first for
931	* this function to succeed.
932	*
933	* If free_inventory is set, free inventory as well. Else drop items in
934	* inventory to the ground.
935	*/
936	void object::free (bool free_inventory)
937	{	922	{
938	if (QUERY_FLAG (this, FLAG_FREED))	923	attachable::do_destroy ();
		924
		925	if (flag [FLAG_IS_LINKED])
		926	remove_button_link (this);
		927
		928	if (flag [FLAG_FRIENDLY])
		929	remove_friendly_object (this);
		930
		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)
		946	{
		947	freed_map = new maptile;
		948
		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;
		957	}
		958
		959	map = freed_map;
		960	x = 1;
		961	y = 1;
		962	}
		963
		964	if (more)
		965	{
		966	more->destroy ();
		967	more = 0;
		968	}
		969
		970	head = 0;
		971
		972	// clear those pointers that likely might cause circular references
		973	owner = 0;
		974	enemy = 0;
		975	attacked_by = 0;
		976	current_weapon = 0;
		977	}
		978
		979	void
		980	object::destroy (bool destroy_inventory)
		981	{
		982	if (destroyed ())
939	return;	983	return;
940		984
941	if (QUERY_FLAG (this, FLAG_FRIENDLY))	985	if (destroy_inventory)
942	remove_friendly_object (this);	986	destroy_inv (false);
943		987
944	if (!QUERY_FLAG (this, FLAG_REMOVED))	988	if (is_head ())
945	remove_ob (this);	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
946		993
947	SET_FLAG (this, FLAG_FREED);	994	attachable::destroy ();
948
949	if (more)
950	{
951	more->free (free_inventory);
952	more = 0;
953	}
954
955	if (inv)
956	{
957	/* Only if the space blocks everything do we not process -
958	* if some form of movement is allowed, let objects
959	* drop on that space.
960	*/
961	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
962	{
963	object *op = inv;
964
965	while (op)
966	{
967	object *tmp = op->below;
968	op->free (free_inventory);
969	op = tmp;
970	}
971	}
972	else
973	{ /* Put objects in inventory onto this space */
974	object *op = inv;
975
976	while (op)
977	{
978	object *tmp = op->below;
979
980	remove_ob (op);
981
982	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
983	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
984	free_object (op);
985	else
986	{
987	op->x = x;
988	op->y = y;
989	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
990	}
991
992	op = tmp;
993	}
994	}
995	}
996
997	owner = 0;
998
999	/* Remove object from the active list */
1000	speed = 0;
1001	update_ob_speed (this);
1002
1003	unlink ();
1004
1005	mortals.push_back (this);
1006	}	995	}
1007		996
1008	/*	997	/* op->remove ():
1009	* sub_weight() recursively (outwards) subtracts a number from the
1010	* weight of an object (and what is carried by it's environment(s)).
1011	*/
1012
1013	void
1014	sub_weight (object *op, signed long weight)
1015	{
1016	while (op != NULL)
1017	{
1018	if (op->type == CONTAINER)
1019	{
1020	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1021	}
1022	op->carrying -= weight;
1023	op = op->env;
1024	}
1025	}
1026
1027	/* remove_ob(op):
1028	* This function removes the object op from the linked list of objects	998	* This function removes the object op from the linked list of objects
1029	* which it is currently tied to. When this function is done, the	999	* which it is currently tied to. When this function is done, the
1030	* object will have no environment. If the object previously had an	1000	* object will have no environment. If the object previously had an
1031	* environment, the x and y coordinates will be updated to	1001	* environment, the x and y coordinates will be updated to
1032	* the previous environment.	1002	* the previous environment.
1033	* Beware: This function is called from the editor as well!
1034	*/	1003	*/
1035
1036	void	1004	void
1037	remove_ob (object *op)	1005	object::do_remove ()
1038	{	1006	{
		1007	object *tmp, *last = 0;
1039	object *	1008	object *otmp;
1040	tmp, *
1041	last = NULL;
1042	object *
1043	otmp;
1044		1009
1045	tag_t
1046	tag;
1047	int
1048	check_walk_off;
1049	mapstruct *
1050	m;
1051
1052	sint16
1053	x,
1054	y;
1055
1056	if (QUERY_FLAG (op, FLAG_REMOVED))	1010	if (QUERY_FLAG (this, FLAG_REMOVED))
1057	return;	1011	return;
1058		1012
1059	SET_FLAG (op, FLAG_REMOVED);	1013	SET_FLAG (this, FLAG_REMOVED);
		1014	INVOKE_OBJECT (REMOVE, this);
1060		1015
1061	if (op->more != NULL)	1016	if (more)
1062	remove_ob (op->more);	1017	more->remove ();
1063		1018
1064	/*	1019	/*
1065	* In this case, the object to be removed is in someones	1020	* In this case, the object to be removed is in someones
1066	* inventory.	1021	* inventory.
1067	*/	1022	*/
1068	if (op->env != NULL)	1023	if (env)
1069	{	1024	{
1070	if (op->nrof)	1025	if (nrof)
1071	sub_weight (op->env, op->weight * op->nrof);	1026	sub_weight (env, weight * nrof);
1072	else	1027	else
1073	sub_weight (op->env, op->weight + op->carrying);	1028	sub_weight (env, weight + carrying);
1074		1029
1075	/* 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
1076	* made to players inventory. If set, avoiding the call	1031	* made to players inventory. If set, avoiding the call
1077	* to save cpu time.	1032	* to save cpu time.
1078	*/	1033	*/
1079	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))
1080	fix_player (otmp);	1035	otmp->update_stats ();
1081		1036
1082	if (op->above != NULL)	1037	if (above)
1083	op->above->below = op->below;	1038	above->below = below;
1084	else	1039	else
1085	op->env->inv = op->below;	1040	env->inv = below;
1086		1041
1087	if (op->below != NULL)	1042	if (below)
1088	op->below->above = op->above;	1043	below->above = above;
1089		1044
1090	/* we set up values so that it could be inserted into	1045	/* we set up values so that it could be inserted into
1091	* 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
1092	* to the caller to decide what we want to do.	1047	* to the caller to decide what we want to do.
1093	*/	1048	*/
1094	op->x = op->env->x, op->y = op->env->y;	1049	x = env->x, y = env->y;
1095	op->map = op->env->map;	1050	map = env->map;
1096	op->above = NULL, op->below = NULL;	1051	above = 0, below = 0;
1097	op->env = NULL;	1052	env = 0;
1098	}	1053	}
1099	else if (op->map)	1054	else if (map)
1100	{	1055	{
1101	x = op->x;	1056	if (type == PLAYER)
1102	y = op->y;
1103	m = get_map_from_coord (op->map, &x, &y);
1104
1105	if (!m)
1106	{
1107	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1108	op->map->path, op->x, op->y);
1109	/* in old days, we used to set x and y to 0 and continue.
1110	* it seems if we get into this case, something is probablye
1111	* screwed up and should be fixed.
1112	*/
1113	abort ();
1114	}	1057	{
		1058	// leaving a spot always closes any open container on the ground
		1059	if (container && !container->env)
		1060	// this causes spurious floorbox updates, but it ensures
		1061	// that the CLOSE event is being sent.
		1062	close_container ();
1115		1063
1116	if (op->map != m)	1064	--map->players;
1117	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	1065	map->touch ();
1118	op->map->path, m->path, op->x, op->y, x, y);
1119
1120	/* Re did the following section of code - it looks like it had
1121	* lots of logic for things we no longer care about
1122	*/	1066	}
		1067
		1068	map->dirty = true;
		1069	mapspace &ms = this->ms ();
1123		1070
1124	/* link the object above us */	1071	/* link the object above us */
1125	if (op->above)	1072	if (above)
1126	op->above->below = op->below;	1073	above->below = below;
1127	else	1074	else
1128	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1075	ms.top = below; /* we were top, set new top */
1129		1076
1130	/* Relink the object below us, if there is one */	1077	/* Relink the object below us, if there is one */
1131	if (op->below)	1078	if (below)
1132	op->below->above = op->above;	1079	below->above = above;
1133	else	1080	else
1134	{	1081	{
1135	/* 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
1136	* use translated coordinates in case some oddness with map tiling is	1083	* use translated coordinates in case some oddness with map tiling is
1137	* evident	1084	* evident
1138	*/	1085	*/
1139	if (GET_MAP_OB (m, x, y) != op)	1086	if (GET_MAP_OB (map, x, y) != this)
1140	{
1141	dump_object (op);
1142	LOG (llevError,
1143	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", errmsg);	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 ());
1144	dump_object (GET_MAP_OB (m, x, y));	1088
1145	LOG (llevError, "%s\n", errmsg);	1089	ms.bot = above; /* goes on above it. */
1146	}	1090	}
1147		1091
1148	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1149	}
1150
1151	op->above = 0;	1092	above = 0;
1152	op->below = 0;	1093	below = 0;
1153		1094
1154	if (op->map->in_memory == MAP_SAVING)	1095	if (map->in_memory == MAP_SAVING)
1155	return;	1096	return;
1156		1097
1157	tag = op->count;	1098	int check_walk_off = !flag [FLAG_NO_APPLY];
1158	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1159		1099
1160	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1100	if (object *pl = ms.player ())
		1101	{
		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)
1161	{	1113	{
1162	/* No point updating the players look faces if he is the object	1114	/* No point updating the players look faces if he is the object
1163	* being removed.	1115	* being removed.
1164	*/	1116	*/
1165		1117
1166	if (tmp->type == PLAYER && tmp != op)	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))
1167	{	1122	{
1168	/* If a container that the player is currently using somehow gets	1123	move_apply (tmp, this, 0);
1169	* removed (most likely destroyed), update the player view
1170	* appropriately.
1171	*/
1172	if (tmp->container == op)
1173	{
1174	CLEAR_FLAG (op, FLAG_APPLIED);
1175	tmp->container = NULL;
1176	}
1177		1124
1178	tmp->contr->socket.update_look = 1;	1125	if (destroyed ())
		1126	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1179	}	1127	}
1180		1128
1181	/* See if player moving off should effect something */
1182	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1183	{
1184	move_apply (tmp, op, NULL);
1185
1186	if (was_destroyed (op, tag))
1187	{
1188	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);
1189	}
1190	}
1191
1192	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1193
1194	if (tmp->above == tmp)
1195	tmp->above = NULL;
1196
1197	last = tmp;	1129	last = tmp;
1198	}	1130	}
1199		1131
1200	/* last == NULL of there are no objects on this space */	1132	/* last == NULL if there are no objects on this space */
		1133	//TODO: this makes little sense, why only update the topmost object?
1201	if (last == NULL)	1134	if (!last)
1202	{	1135	map->at (x, y).flags_ = 0;
1203	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1204	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1205	* those out anyways, and if there are any flags set right now, they won't
1206	* be correct anyways.
1207	*/
1208	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1209	update_position (op->map, op->x, op->y);
1210	}
1211	else	1136	else
1212	update_object (last, UP_OBJ_REMOVE);	1137	update_object (last, UP_OBJ_REMOVE);
1213		1138
1214	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1139	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1215	update_all_los (op->map, op->x, op->y);	1140	update_all_los (map, x, y);
1216	}	1141	}
1217	}	1142	}
1218		1143
1219	/*	1144	/*
1220	* merge_ob(op,top):	1145	* merge_ob(op,top):
…		…
1222	* This function goes through all objects below and including top, and	1147	* This function goes through all objects below and including top, and
1223	* merges op to the first matching object.	1148	* merges op to the first matching object.
1224	* If top is NULL, it is calculated.	1149	* If top is NULL, it is calculated.
1225	* 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
1226	*/	1151	*/
1227
1228	object *	1152	object *
1229	merge_ob (object *op, object *top)	1153	merge_ob (object *op, object *top)
1230	{	1154	{
1231	if (!op->nrof)	1155	if (!op->nrof)
1232	return 0;	1156	return 0;
1233		1157
1234	if (top == NULL)	1158	if (!top)
1235	for (top = op; top != NULL && top->above != NULL; top = top->above);	1159	for (top = op; top && top->above; top = top->above)
		1160	;
1236		1161
1237	for (; top != NULL; top = top->below)	1162	for (; top; top = top->below)
1238	{	1163	{
1239	if (top == op)	1164	if (top == op)
1240	continue;	1165	continue;
1241	if (CAN_MERGE (op, top))	1166
		1167	if (object::can_merge (op, top))
1242	{	1168	{
1243	top->nrof += op->nrof;	1169	top->nrof += op->nrof;
1244		1170
1245	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1171	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1246	op->weight = 0; /* Don't want any adjustements now */	1172	op->weight = 0; /* Don't want any adjustements now */
1247	remove_ob (op);	1173	op->destroy ();
1248	free_object (op);
1249	return top;	1174	return top;
1250	}	1175	}
1251	}	1176	}
1252		1177
1253	return NULL;	1178	return 0;
1254	}	1179	}
1255		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
1256	/*	1204	/*
1257	* 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
1258	* job preparing multi-part monsters	1206	* job preparing multi-part monsters.
1259	*/	1207	*/
1260	object *	1208	object *
1261	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)
1262	{	1210	{
1263	object *tmp;
1264
1265	if (op->head)
1266	op = op->head;
1267
1268	for (tmp = op; tmp; tmp = tmp->more)	1211	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1269	{	1212	{
1270	tmp->x = x + tmp->arch->clone.x;	1213	tmp->x = x + tmp->arch->x;
1271	tmp->y = y + tmp->arch->clone.y;	1214	tmp->y = y + tmp->arch->y;
1272	}	1215	}
1273		1216
1274	return insert_ob_in_map (op, m, originator, flag);	1217	return insert_ob_in_map (op, m, originator, flag);
1275	}	1218	}
1276		1219
…		…
1292	* Return value:	1235	* Return value:
1293	* new object if 'op' was merged with other object	1236	* new object if 'op' was merged with other object
1294	* NULL if 'op' was destroyed	1237	* NULL if 'op' was destroyed
1295	* just 'op' otherwise	1238	* just 'op' otherwise
1296	*/	1239	*/
1297
1298	object *	1240	object *
1299	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)
1300	{	1242	{
		1243	assert (!op->flag [FLAG_FREED]);
		1244
1301	object *tmp, *top, *floor = NULL;	1245	object *top, *floor = NULL;
1302	sint16 x, y;
1303		1246
1304	if (QUERY_FLAG (op, FLAG_FREED))	1247	op->remove ();
1305	{
1306	LOG (llevError, "Trying to insert freed object!\n");
1307	return NULL;
1308	}
1309
1310	if (m == NULL)
1311	{
1312	dump_object (op);
1313	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);
1314	return op;
1315	}
1316
1317	if (out_of_map (m, op->x, op->y))
1318	{
1319	dump_object (op);
1320	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);
1321	#ifdef MANY_CORES
1322	/* Better to catch this here, as otherwise the next use of this object
1323	* is likely to cause a crash. Better to find out where it is getting
1324	* improperly inserted.
1325	*/
1326	abort ();
1327	#endif
1328	return op;
1329	}
1330
1331	if (!QUERY_FLAG (op, FLAG_REMOVED))
1332	{
1333	dump_object (op);
1334	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1335	return op;
1336	}
1337
1338	if (op->more != NULL)
1339	{
1340	/* The part may be on a different map. */
1341
1342	object *more = op->more;
1343
1344	/* We really need the caller to normalize coordinates - if
1345	* we set the map, that doesn't work if the location is within
1346	* a map and this is straddling an edge. So only if coordinate
1347	* is clear wrong do we normalize it.
1348	*/
1349	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1350	more->map = get_map_from_coord (m, &more->x, &more->y);
1351	else if (!more->map)
1352	{
1353	/* For backwards compatibility - when not dealing with tiled maps,
1354	* more->map should always point to the parent.
1355	*/
1356	more->map = m;
1357	}
1358
1359	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1360	{
1361	if (!op->head)
1362	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1363
1364	return NULL;
1365	}
1366	}
1367
1368	CLEAR_FLAG (op, FLAG_REMOVED);
1369		1248
1370	/* Ideally, the caller figures this out. However, it complicates a lot	1249	/* Ideally, the caller figures this out. However, it complicates a lot
1371	* of areas of callers (eg, anything that uses find_free_spot would now	1250	* of areas of callers (eg, anything that uses find_free_spot would now
1372	* need extra work	1251	* need extra work
1373	*/	1252	*/
1374	op->map = get_map_from_coord (m, &op->x, &op->y);	1253	if (!xy_normalise (m, op->x, op->y))
1375	x = op->x;	1254	{
1376	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 ();
1377		1267
1378	/* this has to be done after we translate the coordinates.	1268	/* this has to be done after we translate the coordinates.
1379	*/	1269	*/
1380	if (op->nrof && !(flag & INS_NO_MERGE))	1270	if (op->nrof && !(flag & INS_NO_MERGE))
1381	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1271	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1382	if (CAN_MERGE (op, tmp))	1272	if (object::can_merge (op, tmp))
1383	{	1273	{
1384	op->nrof += tmp->nrof;	1274	op->nrof += tmp->nrof;
1385	remove_ob (tmp);	1275	tmp->destroy ();
1386	free_object (tmp);
1387	}	1276	}
1388		1277
1389	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 */
1390	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1279	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1391		1280
…		…
1404	op->below = originator->below;	1293	op->below = originator->below;
1405		1294
1406	if (op->below)	1295	if (op->below)
1407	op->below->above = op;	1296	op->below->above = op;
1408	else	1297	else
1409	SET_MAP_OB (op->map, op->x, op->y, op);	1298	ms.bot = op;
1410		1299
1411	/* since *below* originator, no need to update top */	1300	/* since *below* originator, no need to update top */
1412	originator->below = op;	1301	originator->below = op;
1413	}	1302	}
1414	else	1303	else
1415	{	1304	{
		1305	top = ms.bot;
		1306
1416	/* If there are other objects, then */	1307	/* If there are other objects, then */
1417	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1308	if (top)
1418	{	1309	{
1419	object *last = NULL;	1310	object *last = 0;
1420		1311
1421	/*	1312	/*
1422	* 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.
1423	* We've already dealt with merging if appropriate.	1314	* We've already dealt with merging if appropriate.
1424	* 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
…		…
1428	* 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
1429	* 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
1430	* 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
1431	* that flying non pickable objects are spell objects.	1322	* that flying non pickable objects are spell objects.
1432	*/	1323	*/
1433		1324	for (top = ms.bot; top; top = top->above)
1434	while (top != NULL)
1435	{	1325	{
1436	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))
1437	floor = top;	1327	floor = top;
1438		1328
1439	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))
…		…
1442	top = top->below;	1332	top = top->below;
1443	break;	1333	break;
1444	}	1334	}
1445		1335
1446	last = top;	1336	last = top;
1447	top = top->above;
1448	}	1337	}
1449		1338
1450	/* 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 */
1451	top = last;	1340	top = last;
1452		1341
…		…
1454	* looks like instead of lots of conditions here.	1343	* looks like instead of lots of conditions here.
1455	* makes things faster, and effectively the same result.	1344	* makes things faster, and effectively the same result.
1456	*/	1345	*/
1457		1346
1458	/* Have object 'fall below' other objects that block view.	1347	/* Have object 'fall below' other objects that block view.
1459	* Unless those objects are exits, type 66	1348	* Unless those objects are exits.
1460	* If INS_ON_TOP is used, don't do this processing	1349	* If INS_ON_TOP is used, don't do this processing
1461	* Need to find the object that in fact blocks view, otherwise	1350	* Need to find the object that in fact blocks view, otherwise
1462	* stacking is a bit odd.	1351	* stacking is a bit odd.
1463	*/	1352	*/
1464	if (!(flag & INS_ON_TOP) &&	1353	if (!(flag & INS_ON_TOP)
1465	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1354	&& ms.flags () & P_BLOCKSVIEW
		1355	&& (op->face && !faces [op->face].visibility))
1466	{	1356	{
1467	for (last = top; last != floor; last = last->below)	1357	for (last = top; last != floor; last = last->below)
1468	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1358	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1469	break;	1359	break;
		1360
1470	/* Check to see if we found the object that blocks view,	1361	/* Check to see if we found the object that blocks view,
1471	* 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
1472	* we can get inserted below this one, which requires we	1363	* we can get inserted below this one, which requires we
1473	* set top to the object below us.	1364	* set top to the object below us.
1474	*/	1365	*/
1475	if (last && last->below && last != floor)	1366	if (last && last->below && last != floor)
1476	top = last->below;	1367	top = last->below;
1477	}	1368	}
1478	} /* If objects on this space */	1369	} /* If objects on this space */
1479		1370
1480	if (flag & INS_MAP_LOAD)
1481	top = GET_MAP_TOP (op->map, op->x, op->y);
1482
1483	if (flag & INS_ABOVE_FLOOR_ONLY)	1371	if (flag & INS_ABOVE_FLOOR_ONLY)
1484	top = floor;	1372	top = floor;
1485		1373
1486	/* 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.
1487	*/	1375	*/
1488		1376
1489	/* First object on this space */	1377	/* First object on this space */
1490	if (!top)	1378	if (!top)
1491	{	1379	{
1492	op->above = GET_MAP_OB (op->map, op->x, op->y);	1380	op->above = ms.bot;
1493		1381
1494	if (op->above)	1382	if (op->above)
1495	op->above->below = op;	1383	op->above->below = op;
1496		1384
1497	op->below = NULL;	1385	op->below = 0;
1498	SET_MAP_OB (op->map, op->x, op->y, op);	1386	ms.bot = op;
1499	}	1387	}
1500	else	1388	else
1501	{ /* get inserted into the stack above top */	1389	{ /* get inserted into the stack above top */
1502	op->above = top->above;	1390	op->above = top->above;
1503		1391
…		…
1506		1394
1507	op->below = top;	1395	op->below = top;
1508	top->above = op;	1396	top->above = op;
1509	}	1397	}
1510		1398
1511	if (op->above == NULL)	1399	if (!op->above)
1512	SET_MAP_TOP (op->map, op->x, op->y, op);	1400	ms.top = op;
1513	} /* else not INS_BELOW_ORIGINATOR */	1401	} /* else not INS_BELOW_ORIGINATOR */
1514		1402
1515	if (op->type == PLAYER)	1403	if (op->type == PLAYER)
		1404	{
1516	op->contr->do_los = 1;	1405	op->contr->do_los = 1;
		1406	++op->map->players;
		1407	op->map->touch ();
		1408	}
1517		1409
1518	/* If we have a floor, we know the player, if any, will be above	1410	op->map->dirty = true;
1519	* it, so save a few ticks and start from there.	1411
1520	*/	1412	if (object *pl = ms.player ())
1521	if (!(flag & INS_MAP_LOAD))	1413	pl->contr->ns->floorbox_update ();
1522	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1523	if (tmp->type == PLAYER)
1524	tmp->contr->socket.update_look = 1;
1525		1414
1526	/* If this object glows, it may affect lighting conditions that are	1415	/* If this object glows, it may affect lighting conditions that are
1527	* 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
1528	* 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
1529	* on the map will get recalculated. The players could very well	1418	* on the map will get recalculated. The players could very well
1530	* 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 -
1531	* this should get redone to only look for players within range,	1420	* this should get redone to only look for players within range,
1532	* or just updating the P_NEED_UPDATE for spaces within this area	1421	* or just updating the P_UPTODATE for spaces within this area
1533	* of effect may be sufficient.	1422	* of effect may be sufficient.
1534	*/	1423	*/
1535	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1424	if (op->map->darkness && (op->glow_radius != 0))
1536	update_all_los (op->map, op->x, op->y);	1425	update_all_los (op->map, op->x, op->y);
1537		1426
1538	/* updates flags (blocked, alive, no magic, etc) for this map space */	1427	/* updates flags (blocked, alive, no magic, etc) for this map space */
1539	update_object (op, UP_OBJ_INSERT);	1428	update_object (op, UP_OBJ_INSERT);
1540		1429
		1430	INVOKE_OBJECT (INSERT, op);
		1431
1541	/* 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,
1542	* we want to have update_look set above before calling this.	1433	* we want to have floorbox_update called before calling this.
1543	*	1434	*
1544	* check_move_on() must be after this because code called from	1435	* check_move_on() must be after this because code called from
1545	* check_move_on() depends on correct map flags (so functions like	1436	* check_move_on() depends on correct map flags (so functions like
1546	* blocked() and wall() work properly), and these flags are updated by	1437	* blocked() and wall() work properly), and these flags are updated by
1547	* update_object().	1438	* update_object().
1548	*/	1439	*/
1549		1440
1550	/* 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 */
1551	if (!(flag & INS_NO_WALK_ON) && !op->head)	1442	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1552	{	1443	{
1553	if (check_move_on (op, originator))	1444	if (check_move_on (op, originator))
1554	return NULL;	1445	return 0;
1555		1446
1556	/* 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
1557	* walk on's.	1448	* walk on's.
1558	*/	1449	*/
1559	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1450	for (object *tmp = op->more; tmp; tmp = tmp->more)
1560	if (check_move_on (tmp, originator))	1451	if (check_move_on (tmp, originator))
1561	return NULL;	1452	return 0;
1562	}	1453	}
1563		1454
1564	return op;	1455	return op;
1565	}	1456	}
1566		1457
1567	/* this function inserts an object in the map, but if it	1458	/* this function inserts an object in the map, but if it
1568	* finds an object of its own type, it'll remove that one first.	1459	* finds an object of its own type, it'll remove that one first.
1569	* op is the object to insert it under: supplies x and the map.	1460	* op is the object to insert it under: supplies x and the map.
1570	*/	1461	*/
1571	void	1462	void
1572	replace_insert_ob_in_map (const char *arch_string, object *op)	1463	replace_insert_ob_in_map (const char *arch_string, object *op)
1573	{	1464	{
1574	object *	1465	object *tmp, *tmp1;
1575	tmp;
1576	object *
1577	tmp1;
1578		1466
1579	/* first search for itself and remove any old instances */	1467	/* first search for itself and remove any old instances */
1580		1468
1581	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)
1582	{
1583	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1470	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1584	{	1471	tmp->destroy ();
1585	remove_ob (tmp);
1586	free_object (tmp);
1587	}
1588	}
1589		1472
1590	tmp1 = arch_to_object (find_archetype (arch_string));	1473	tmp1 = arch_to_object (archetype::find (arch_string));
1591		1474
1592	tmp1->x = op->x;	1475	tmp1->x = op->x;
1593	tmp1->y = op->y;	1476	tmp1->y = op->y;
1594	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);
1595	}	1487	}
1596		1488
1597	/*	1489	/*
1598	* 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
1599	* is returned contains nr objects, and the remaining parts contains	1491	* is returned contains nr objects, and the remaining parts contains
1600	* 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).
1601	* On failure, NULL is returned, and the reason put into the	1493	* On failure, NULL is returned, and the reason put into the
1602	* global static errmsg array.	1494	* global static errmsg array.
1603	*/	1495	*/
1604
1605	object *	1496	object *
1606	get_split_ob (object *orig_ob, uint32 nr)	1497	get_split_ob (object *orig_ob, uint32 nr)
1607	{	1498	{
1608	object *	1499	object *newob;
1609	newob;
1610	int
1611	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1500	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1612		1501
1613	if (orig_ob->nrof < nr)	1502	if (orig_ob->nrof < nr)
1614	{	1503	{
1615	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);
1616	return NULL;	1505	return NULL;
1617	}	1506	}
1618		1507
1619	newob = object_create_clone (orig_ob);	1508	newob = object_create_clone (orig_ob);
1620		1509
1621	if ((orig_ob->nrof -= nr) < 1)	1510	if ((orig_ob->nrof -= nr) < 1)
1622	{	1511	orig_ob->destroy (1);
1623	if (!is_removed)
1624	remove_ob (orig_ob);
1625	free_object2 (orig_ob, 1);
1626	}
1627	else if (!is_removed)	1512	else if (!is_removed)
1628	{	1513	{
1629	if (orig_ob->env != NULL)	1514	if (orig_ob->env != NULL)
1630	sub_weight (orig_ob->env, orig_ob->weight * nr);	1515	sub_weight (orig_ob->env, orig_ob->weight * nr);
1631	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)
1632	{	1517	{
1633	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.");
1634	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");
1635	return NULL;	1520	return NULL;
1636	}	1521	}
…		…
1646	* 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
1647	* is subsequently removed and freed.	1532	* is subsequently removed and freed.
1648	*	1533	*
1649	* 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
1650	*/	1535	*/
1651
1652	object *	1536	object *
1653	decrease_ob_nr (object *op, uint32 i)	1537	decrease_ob_nr (object *op, uint32 i)
1654	{	1538	{
1655	object *tmp;	1539	object *tmp;
1656	player *pl;
1657		1540
1658	if (i == 0) /* objects with op->nrof require this check */	1541	if (i == 0) /* objects with op->nrof require this check */
1659	return op;	1542	return op;
1660		1543
1661	if (i > op->nrof)	1544	if (i > op->nrof)
1662	i = op->nrof;	1545	i = op->nrof;
1663		1546
1664	if (QUERY_FLAG (op, FLAG_REMOVED))	1547	if (QUERY_FLAG (op, FLAG_REMOVED))
1665	op->nrof -= i;	1548	op->nrof -= i;
1666	else if (op->env != NULL)	1549	else if (op->env)
1667	{	1550	{
1668	/* is this object in the players inventory, or sub container	1551	/* is this object in the players inventory, or sub container
1669	* therein?	1552	* therein?
1670	*/	1553	*/
1671	tmp = is_player_inv (op->env);	1554	tmp = op->in_player ();
1672	/* nope. Is this a container the player has opened?	1555	/* nope. Is this a container the player has opened?
1673	* If so, set tmp to that player.	1556	* If so, set tmp to that player.
1674	* IMO, searching through all the players will mostly	1557	* IMO, searching through all the players will mostly
1675	* likely be quicker than following op->env to the map,	1558	* likely be quicker than following op->env to the map,
1676	* and then searching the map for a player.	1559	* and then searching the map for a player.
1677	*/	1560	*/
1678	if (!tmp)	1561	if (!tmp)
1679	{	1562	for_all_players (pl)
1680	for (pl = first_player; pl; pl = pl->next)
1681	if (pl->ob->container == op->env)	1563	if (pl->ob->container == op->env)
		1564	{
		1565	tmp = pl->ob;
1682	break;	1566	break;
1683	if (pl)
1684	tmp = pl->ob;
1685	else
1686	tmp = NULL;
1687	}	1567	}
1688		1568
1689	if (i < op->nrof)	1569	if (i < op->nrof)
1690	{	1570	{
1691	sub_weight (op->env, op->weight * i);	1571	sub_weight (op->env, op->weight * i);
1692	op->nrof -= i;	1572	op->nrof -= i;
1693	if (tmp)	1573	if (tmp)
1694	{
1695	esrv_send_item (tmp, op);	1574	esrv_send_item (tmp, op);
1696	}
1697	}	1575	}
1698	else	1576	else
1699	{	1577	{
1700	remove_ob (op);	1578	op->remove ();
1701	op->nrof = 0;	1579	op->nrof = 0;
1702	if (tmp)	1580	if (tmp)
1703	{
1704	esrv_del_item (tmp->contr, op->count);	1581	esrv_del_item (tmp->contr, op->count);
1705	}
1706	}	1582	}
1707	}	1583	}
1708	else	1584	else
1709	{	1585	{
1710	object *above = op->above;	1586	object *above = op->above;
1711		1587
1712	if (i < op->nrof)	1588	if (i < op->nrof)
1713	op->nrof -= i;	1589	op->nrof -= i;
1714	else	1590	else
1715	{	1591	{
1716	remove_ob (op);	1592	op->remove ();
1717	op->nrof = 0;	1593	op->nrof = 0;
1718	}	1594	}
1719		1595
1720	/* Since we just removed op, op->above is null */	1596	/* Since we just removed op, op->above is null */
1721	for (tmp = above; tmp != NULL; tmp = tmp->above)	1597	for (tmp = above; tmp; tmp = tmp->above)
1722	if (tmp->type == PLAYER)	1598	if (tmp->type == PLAYER)
1723	{	1599	{
1724	if (op->nrof)	1600	if (op->nrof)
1725	esrv_send_item (tmp, op);	1601	esrv_send_item (tmp, op);
1726	else	1602	else
…		…
1730		1606
1731	if (op->nrof)	1607	if (op->nrof)
1732	return op;	1608	return op;
1733	else	1609	else
1734	{	1610	{
1735	free_object (op);	1611	op->destroy ();
1736	return NULL;	1612	return 0;
1737	}
1738	}
1739
1740	/*
1741	* add_weight(object, weight) adds the specified weight to an object,
1742	* and also updates how much the environment(s) is/are carrying.
1743	*/
1744
1745	void
1746	add_weight (object *op, signed long weight)
1747	{
1748	while (op != NULL)
1749	{	1613	}
1750	if (op->type == CONTAINER)	1614	}
1751	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1752		1615
1753	op->carrying += weight;	1616	object *
1754	op = op->env;	1617	insert_ob_in_ob (object *op, object *where)
		1618	{
		1619	if (!where)
1755	}	1620	{
1756	}	1621	char *dump = dump_object (op);
		1622	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1623	free (dump);
		1624	return op;
		1625	}
1757		1626
		1627	if (where->head_ () != where)
		1628	{
		1629	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1630	where = where->head;
		1631	}
		1632
		1633	return where->insert (op);
		1634	}
		1635
1758	/*	1636	/*
1759	* insert_ob_in_ob(op,environment):	1637	* env->insert (op)
1760	* This function inserts the object op in the linked list	1638	* This function inserts the object op in the linked list
1761	* inside the object environment.	1639	* inside the object environment.
1762	*	1640	*
1763	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1764	* the inventory at the last position or next to other objects of the same
1765	* type.
1766	* Frank: Now sorted by type, archetype and magic!
1767	*
1768	* The function returns now pointer to inserted item, and return value can	1641	* The function returns now pointer to inserted item, and return value can
1769	* be != op, if items are merged. -Tero	1642	* be != op, if items are merged. -Tero
1770	*/	1643	*/
1771
1772	object *	1644	object *
1773	insert_ob_in_ob (object *op, object *where)	1645	object::insert (object *op)
1774	{	1646	{
1775	object *
1776	tmp, *
1777	otmp;
1778
1779	if (!QUERY_FLAG (op, FLAG_REMOVED))	1647	if (!QUERY_FLAG (op, FLAG_REMOVED))
1780	{	1648	op->remove ();
1781	dump_object (op);
1782	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1783	return op;
1784	}
1785
1786	if (where == NULL)
1787	{
1788	dump_object (op);
1789	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1790	return op;
1791	}
1792
1793	if (where->head)
1794	{
1795	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1796	where = where->head;
1797	}
1798		1649
1799	if (op->more)	1650	if (op->more)
1800	{	1651	{
1801	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);
1802	return op;	1653	return op;
1803	}	1654	}
1804		1655
1805	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1656	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1806	CLEAR_FLAG (op, FLAG_REMOVED);	1657	CLEAR_FLAG (op, FLAG_REMOVED);
		1658
1807	if (op->nrof)	1659	if (op->nrof)
1808	{	1660	{
1809	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1661	for (object *tmp = inv; tmp; tmp = tmp->below)
1810	if (CAN_MERGE (tmp, op))	1662	if (object::can_merge (tmp, op))
1811	{	1663	{
1812	/* return the original object and remove inserted object	1664	/* return the original object and remove inserted object
1813	(client needs the original object) */	1665	(client needs the original object) */
1814	tmp->nrof += op->nrof;	1666	tmp->nrof += op->nrof;
1815	/* Weight handling gets pretty funky. Since we are adding to	1667	/* Weight handling gets pretty funky. Since we are adding to
1816	* tmp->nrof, we need to increase the weight.	1668	* tmp->nrof, we need to increase the weight.
1817	*/	1669	*/
1818	add_weight (where, op->weight * op->nrof);	1670	add_weight (this, op->weight * op->nrof);
1819	SET_FLAG (op, FLAG_REMOVED);	1671	SET_FLAG (op, FLAG_REMOVED);
1820	free_object (op); /* free the inserted object */	1672	op->destroy (); /* free the inserted object */
1821	op = tmp;	1673	op = tmp;
1822	remove_ob (op); /* and fix old object's links */	1674	op->remove (); /* and fix old object's links */
1823	CLEAR_FLAG (op, FLAG_REMOVED);	1675	CLEAR_FLAG (op, FLAG_REMOVED);
1824	break;	1676	break;
1825	}	1677	}
1826		1678
1827	/* I assume combined objects have no inventory	1679	/* I assume combined objects have no inventory
1828	* We add the weight - this object could have just been removed	1680	* We add the weight - this object could have just been removed
1829	* (if it was possible to merge). calling remove_ob will subtract	1681	* (if it was possible to merge). calling remove_ob will subtract
1830	* the weight, so we need to add it in again, since we actually do	1682	* the weight, so we need to add it in again, since we actually do
1831	* the linking below	1683	* the linking below
1832	*/	1684	*/
1833	add_weight (where, op->weight * op->nrof);	1685	add_weight (this, op->weight * op->nrof);
1834	}	1686	}
1835	else	1687	else
1836	add_weight (where, (op->weight + op->carrying));	1688	add_weight (this, (op->weight + op->carrying));
1837		1689
1838	otmp = is_player_inv (where);	1690	if (object *otmp = this->in_player ())
1839	if (otmp && otmp->contr != NULL)
1840	{
1841	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1691	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1842	fix_player (otmp);	1692	otmp->update_stats ();
1843	}
1844		1693
		1694	op->owner = 0; // its his/hers now. period.
1845	op->map = NULL;	1695	op->map = 0;
1846	op->env = where;	1696	op->env = this;
1847	op->above = NULL;	1697	op->above = 0;
1848	op->below = NULL;	1698	op->below = 0;
1849	op->x = 0, op->y = 0;	1699	op->x = op->y = 0;
1850		1700
1851	/* 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 */
1852	if ((op->glow_radius != 0) && where->map)	1702	if (op->glow_radius && map)
1853	{	1703	{
1854	#ifdef DEBUG_LIGHTS	1704	#ifdef DEBUG_LIGHTS
1855	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);
1856	#endif /* DEBUG_LIGHTS */	1706	#endif /* DEBUG_LIGHTS */
1857	if (MAP_DARKNESS (where->map))	1707	if (map->darkness)
1858	update_all_los (where->map, where->x, where->y);	1708	update_all_los (map, x, y);
1859	}	1709	}
1860		1710
1861	/* 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.
1862	* It sure simplifies this function...	1712	* It sure simplifies this function...
1863	*/	1713	*/
1864	if (where->inv == NULL)	1714	if (!inv)
1865	where->inv = op;	1715	inv = op;
1866	else	1716	else
1867	{	1717	{
1868	op->below = where->inv;	1718	op->below = inv;
1869	op->below->above = op;	1719	op->below->above = op;
1870	where->inv = op;	1720	inv = op;
1871	}	1721	}
		1722
		1723	INVOKE_OBJECT (INSERT, this);
		1724
1872	return op;	1725	return op;
1873	}	1726	}
1874		1727
1875	/*	1728	/*
1876	* Checks if any objects has a move_type that matches objects	1729	* Checks if any objects has a move_type that matches objects
…		…
1890	*	1743	*
1891	* 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
1892	* 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
1893	* on top.	1746	* on top.
1894	*/	1747	*/
1895
1896	int	1748	int
1897	check_move_on (object *op, object *originator)	1749	check_move_on (object *op, object *originator)
1898	{	1750	{
1899	object *	1751	object *tmp;
1900	tmp;	1752	maptile *m = op->map;
1901	tag_t
1902	tag;
1903	mapstruct *
1904	m = op->map;
1905	int
1906	x = op->x, y = op->y;	1753	int x = op->x, y = op->y;
1907		1754
1908	MoveType	1755	MoveType move_on, move_slow, move_block;
1909	move_on,
1910	move_slow,
1911	move_block;
1912		1756
1913	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1757	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1914	return 0;	1758	return 0;
1915
1916	tag = op->count;
1917		1759
1918	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);
1919	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);
1920	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);
1921		1763
…		…
1937		1779
1938	/* The objects have to be checked from top to bottom.	1780	/* The objects have to be checked from top to bottom.
1939	* Hence, we first go to the top:	1781	* Hence, we first go to the top:
1940	*/	1782	*/
1941		1783
1942	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)
1943	{	1785	{
1944	/* Trim the search when we find the first other spell effect	1786	/* Trim the search when we find the first other spell effect
1945	* 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,
1946	* we don't need to check all of them.	1788	* we don't need to check all of them.
1947	*/	1789	*/
…		…
1965	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1807	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1966	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1808	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1967	{	1809	{
1968		1810
1969	float	1811	float
1970	diff = tmp->move_slow_penalty * FABS (op->speed);	1812	diff = tmp->move_slow_penalty * fabs (op->speed);
1971		1813
1972	if (op->type == PLAYER)	1814	if (op->type == PLAYER)
1973	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)) ||
1974	(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)))
1975	diff /= 4.0;	1817	diff /= 4.0;
…		…
1982	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1824	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1983	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1825	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1984	{	1826	{
1985	move_apply (tmp, op, originator);	1827	move_apply (tmp, op, originator);
1986		1828
1987	if (was_destroyed (op, tag))	1829	if (op->destroyed ())
1988	return 1;	1830	return 1;
1989		1831
1990	/* what the person/creature stepped onto has moved the object	1832	/* what the person/creature stepped onto has moved the object
1991	* someplace new. Don't process any further - if we did,	1833	* someplace new. Don't process any further - if we did,
1992	* have a feeling strange problems would result.	1834	* have a feeling strange problems would result.
…		…
2002	/*	1844	/*
2003	* present_arch(arch, map, x, y) searches for any objects with	1845	* present_arch(arch, map, x, y) searches for any objects with
2004	* a matching archetype at the given map and coordinates.	1846	* a matching archetype at the given map and coordinates.
2005	* The first matching object is returned, or NULL if none.	1847	* The first matching object is returned, or NULL if none.
2006	*/	1848	*/
2007
2008	object *	1849	object *
2009	present_arch (const archetype *at, mapstruct *m, int x, int y)	1850	present_arch (const archetype *at, maptile *m, int x, int y)
2010	{	1851	{
2011	object *
2012	tmp;
2013
2014	if (m == NULL || out_of_map (m, x, y))	1852	if (!m || out_of_map (m, x, y))
2015	{	1853	{
2016	LOG (llevError, "Present_arch called outside map.\n");	1854	LOG (llevError, "Present_arch called outside map.\n");
2017	return NULL;	1855	return NULL;
2018	}	1856	}
2019	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)
2020	if (tmp->arch == at)	1859	if (tmp->arch == at)
2021	return tmp;	1860	return tmp;
		1861
2022	return NULL;	1862	return NULL;
2023	}	1863	}
2024		1864
2025	/*	1865	/*
2026	* present(type, map, x, y) searches for any objects with	1866	* present(type, map, x, y) searches for any objects with
2027	* a matching type variable at the given map and coordinates.	1867	* a matching type variable at the given map and coordinates.
2028	* The first matching object is returned, or NULL if none.	1868	* The first matching object is returned, or NULL if none.
2029	*/	1869	*/
2030
2031	object *	1870	object *
2032	present (unsigned char type, mapstruct *m, int x, int y)	1871	present (unsigned char type, maptile *m, int x, int y)
2033	{	1872	{
2034	object *
2035	tmp;
2036
2037	if (out_of_map (m, x, y))	1873	if (out_of_map (m, x, y))
2038	{	1874	{
2039	LOG (llevError, "Present called outside map.\n");	1875	LOG (llevError, "Present called outside map.\n");
2040	return NULL;	1876	return NULL;
2041	}	1877	}
2042	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)
2043	if (tmp->type == type)	1880	if (tmp->type == type)
2044	return tmp;	1881	return tmp;
		1882
2045	return NULL;	1883	return NULL;
2046	}	1884	}
2047		1885
2048	/*	1886	/*
2049	* present_in_ob(type, object) searches for any objects with	1887	* present_in_ob(type, object) searches for any objects with
2050	* a matching type variable in the inventory of the given object.	1888	* a matching type variable in the inventory of the given object.
2051	* The first matching object is returned, or NULL if none.	1889	* The first matching object is returned, or NULL if none.
2052	*/	1890	*/
2053
2054	object *	1891	object *
2055	present_in_ob (unsigned char type, const object *op)	1892	present_in_ob (unsigned char type, const object *op)
2056	{	1893	{
2057	object *
2058	tmp;
2059
2060	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1894	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2061	if (tmp->type == type)	1895	if (tmp->type == type)
2062	return tmp;	1896	return tmp;
		1897
2063	return NULL;	1898	return NULL;
2064	}	1899	}
2065		1900
2066	/*	1901	/*
2067	* present_in_ob (type, str, object) searches for any objects with	1902	* present_in_ob (type, str, object) searches for any objects with
…		…
2075	* 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
2076	* 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
2077	* 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
2078	* to be unique.	1913	* to be unique.
2079	*/	1914	*/
2080
2081	object *	1915	object *
2082	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)
2083	{	1917	{
2084	object *
2085	tmp;
2086
2087	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1918	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2088	{
2089	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1919	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2090	return tmp;	1920	return tmp;
2091	}	1921
2092	return NULL;	1922	return 0;
2093	}	1923	}
2094		1924
2095	/*	1925	/*
2096	* present_arch_in_ob(archetype, object) searches for any objects with	1926	* present_arch_in_ob(archetype, object) searches for any objects with
2097	* a matching archetype in the inventory of the given object.	1927	* a matching archetype in the inventory of the given object.
2098	* The first matching object is returned, or NULL if none.	1928	* The first matching object is returned, or NULL if none.
2099	*/	1929	*/
2100
2101	object *	1930	object *
2102	present_arch_in_ob (const archetype *at, const object *op)	1931	present_arch_in_ob (const archetype *at, const object *op)
2103	{	1932	{
2104	object *
2105	tmp;
2106
2107	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1933	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2108	if (tmp->arch == at)	1934	if (tmp->arch == at)
2109	return tmp;	1935	return tmp;
		1936
2110	return NULL;	1937	return NULL;
2111	}	1938	}
2112		1939
2113	/*	1940	/*
2114	* activate recursively a flag on an object inventory	1941	* activate recursively a flag on an object inventory
2115	*/	1942	*/
2116	void	1943	void
2117	flag_inv (object *op, int flag)	1944	flag_inv (object *op, int flag)
2118	{	1945	{
2119	object *
2120	tmp;
2121
2122	if (op->inv)
2123	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1946	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2124	{	1947	{
2125	SET_FLAG (tmp, flag);	1948	SET_FLAG (tmp, flag);
2126	flag_inv (tmp, flag);	1949	flag_inv (tmp, flag);
2127	}	1950	}
2128	} /*	1951	}
		1952
		1953	/*
2129	* desactivate recursively a flag on an object inventory	1954	* deactivate recursively a flag on an object inventory
2130	*/	1955	*/
2131	void	1956	void
2132	unflag_inv (object *op, int flag)	1957	unflag_inv (object *op, int flag)
2133	{	1958	{
2134	object *
2135	tmp;
2136
2137	if (op->inv)
2138	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1959	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2139	{	1960	{
2140	CLEAR_FLAG (tmp, flag);	1961	CLEAR_FLAG (tmp, flag);
2141	unflag_inv (tmp, flag);	1962	unflag_inv (tmp, flag);
2142	}	1963	}
2143	}
2144
2145	/*
2146	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2147	* all it's inventory (recursively).
2148	* If checksums are used, a player will get set_cheat called for
2149	* him/her-self and all object carried by a call to this function.
2150	*/
2151
2152	void
2153	set_cheat (object *op)
2154	{
2155	SET_FLAG (op, FLAG_WAS_WIZ);
2156	flag_inv (op, FLAG_WAS_WIZ);
2157	}	1964	}
2158		1965
2159	/*	1966	/*
2160	* 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
2161	* 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
…		…
2163	* to search (see the freearr_x/y[] definition).	1970	* to search (see the freearr_x/y[] definition).
2164	* It returns a random choice among the alternatives found.	1971	* It returns a random choice among the alternatives found.
2165	* start and stop are where to start relative to the free_arr array (1,9	1972	* start and stop are where to start relative to the free_arr array (1,9
2166	* does all 4 immediate directions). This returns the index into the	1973	* does all 4 immediate directions). This returns the index into the
2167	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1974	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2168	* Note - this only checks to see if there is space for the head of the
2169	* object - if it is a multispace object, this should be called for all
2170	* pieces.
2171	* Note2: This function does correctly handle tiled maps, but does not	1975	* Note: This function does correctly handle tiled maps, but does not
2172	* inform the caller. However, insert_ob_in_map will update as	1976	* inform the caller. However, insert_ob_in_map will update as
2173	* 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.
2174	* 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
2175	* 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
2176	* 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
2177	* 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
2178	* customized, changed states, etc.	1982	* customized, changed states, etc.
2179	*/	1983	*/
2180
2181	int	1984	int
2182	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)
2183	{	1986	{
2184	int
2185	i,
2186	index = 0, flag;
2187	static int
2188	altern[SIZEOFFREE];	1987	int altern[SIZEOFFREE];
		1988	int index = 0, flag;
2189		1989
2190	for (i = start; i < stop; i++)	1990	for (int i = start; i < stop; i++)
2191	{	1991	{
2192	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1992	mapxy pos (m, x, y); pos.move (i);
2193	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	{
2194	altern[index++] = i;	2008	altern [index++] = i;
		2009	continue;
		2010	}
2195		2011
2196	/* 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.
2197	* 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.
2198	* 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 -
2199	* 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
2200	* 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
2201	* to only the spaces immediately surrounding the target area, and	2017	* to only the spaces immediately surrounding the target area, and
2202	* won't look 2 spaces south of the target space.	2018	* won't look 2 spaces south of the target space.
2203	*/	2019	*/
2204	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2020	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2021	{
2205	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;
2206	}	2036	}
		2037
2207	if (!index)	2038	if (!index)
2208	return -1;	2039	return -1;
		2040
2209	return altern[RANDOM () % index];	2041	return altern [rndm (index)];
2210	}	2042	}
2211		2043
2212	/*	2044	/*
2213	* find_first_free_spot(archetype, mapstruct, x, y) works like	2045	* find_first_free_spot(archetype, maptile, x, y) works like
2214	* find_free_spot(), but it will search max number of squares.	2046	* find_free_spot(), but it will search max number of squares.
2215	* 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.
2216	* 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.
2217	*/	2049	*/
2218
2219	int	2050	int
2220	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)
2221	{	2052	{
2222	int
2223	i;
2224
2225	for (i = 0; i < SIZEOFFREE; i++)	2053	for (int i = 0; i < SIZEOFFREE; i++)
2226	{
2227	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]))
2228	return i;	2055	return i;
2229	}	2056
2230	return -1;	2057	return -1;
2231	}	2058	}
2232		2059
2233	/*	2060	/*
2234	* The function permute(arr, begin, end) randomly reorders the array	2061	* The function permute(arr, begin, end) randomly reorders the array
2235	* arr[begin..end-1].	2062	* arr[begin..end-1].
		2063	* now uses a fisher-yates shuffle, old permute was broken
2236	*/	2064	*/
2237	static void	2065	static void
2238	permute (int *arr, int begin, int end)	2066	permute (int *arr, int begin, int end)
2239	{	2067	{
2240	int	2068	arr += begin;
2241	i,
2242	j,
2243	tmp,
2244	len;
2245
2246	len = end - begin;	2069	end -= begin;
2247	for (i = begin; i < end; i++)
2248	{
2249	j = begin + RANDOM () % len;
2250		2070
2251	tmp = arr[i];	2071	while (--end)
2252	arr[i] = arr[j];	2072	swap (arr [end], arr [rndm (end + 1)]);
2253	arr[j] = tmp;
2254	}
2255	}	2073	}
2256		2074
2257	/* new function to make monster searching more efficient, and effective!	2075	/* new function to make monster searching more efficient, and effective!
2258	* This basically returns a randomized array (in the passed pointer) of	2076	* This basically returns a randomized array (in the passed pointer) of
2259	* the spaces to find monsters. In this way, it won't always look for	2077	* the spaces to find monsters. In this way, it won't always look for
…		…
2262	* the 3x3 area will be searched, just not in a predictable order.	2080	* the 3x3 area will be searched, just not in a predictable order.
2263	*/	2081	*/
2264	void	2082	void
2265	get_search_arr (int *search_arr)	2083	get_search_arr (int *search_arr)
2266	{	2084	{
2267	int	2085	int i;
2268	i;
2269		2086
2270	for (i = 0; i < SIZEOFFREE; i++)	2087	for (i = 0; i < SIZEOFFREE; i++)
2271	{
2272	search_arr[i] = i;	2088	search_arr[i] = i;
2273	}
2274		2089
2275	permute (search_arr, 1, SIZEOFFREE1 + 1);	2090	permute (search_arr, 1, SIZEOFFREE1 + 1);
2276	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2091	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2277	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2092	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2278	}	2093	}
…		…
2287	* Perhaps incorrectly, but I'm making the assumption that exclude	2102	* Perhaps incorrectly, but I'm making the assumption that exclude
2288	* is actually want is going to try and move there. We need this info	2103	* is actually want is going to try and move there. We need this info
2289	* because we have to know what movement the thing looking to move	2104	* because we have to know what movement the thing looking to move
2290	* there is capable of.	2105	* there is capable of.
2291	*/	2106	*/
2292
2293	int	2107	int
2294	find_dir (mapstruct *m, int x, int y, object *exclude)	2108	find_dir (maptile *m, int x, int y, object *exclude)
2295	{	2109	{
2296	int
2297	i,
2298	max = SIZEOFFREE, mflags;	2110	int i, max = SIZEOFFREE, mflags;
2299		2111
2300	sint16 nx, ny;	2112	sint16 nx, ny;
2301	object *	2113	object *tmp;
2302	tmp;	2114	maptile *mp;
2303	mapstruct *
2304	mp;
2305		2115
2306	MoveType blocked, move_type;	2116	MoveType blocked, move_type;
2307		2117
2308	if (exclude && exclude->head)	2118	if (exclude && exclude->head_ () != exclude)
2309	{	2119	{
2310	exclude = exclude->head;	2120	exclude = exclude->head;
2311	move_type = exclude->move_type;	2121	move_type = exclude->move_type;
2312	}	2122	}
2313	else	2123	else
…		…
2321	mp = m;	2131	mp = m;
2322	nx = x + freearr_x[i];	2132	nx = x + freearr_x[i];
2323	ny = y + freearr_y[i];	2133	ny = y + freearr_y[i];
2324		2134
2325	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2135	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2136
2326	if (mflags & P_OUT_OF_MAP)	2137	if (mflags & P_OUT_OF_MAP)
2327	{
2328	max = maxfree[i];	2138	max = maxfree[i];
2329	}
2330	else	2139	else
2331	{	2140	{
2332	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2141	mapspace &ms = mp->at (nx, ny);
		2142
		2143	blocked = ms.move_block;
2333		2144
2334	if ((move_type & blocked) == move_type)	2145	if ((move_type & blocked) == move_type)
2335	{
2336	max = maxfree[i];	2146	max = maxfree[i];
2337	}
2338	else if (mflags & P_IS_ALIVE)	2147	else if (mflags & P_IS_ALIVE)
2339	{	2148	{
2340	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2149	for (tmp = ms.bot; tmp; tmp = tmp->above)
2341	{	2150	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2342	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2151	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2343	{
2344	break;	2152	break;
2345	}	2153
2346	}
2347	if (tmp)	2154	if (tmp)
2348	{
2349	return freedir[i];	2155	return freedir[i];
2350	}
2351	}	2156	}
2352	}	2157	}
2353	}	2158	}
		2159
2354	return 0;	2160	return 0;
2355	}	2161	}
2356		2162
2357	/*	2163	/*
2358	* distance(object 1, object 2) will return the square of the	2164	* distance(object 1, object 2) will return the square of the
2359	* distance between the two given objects.	2165	* distance between the two given objects.
2360	*/	2166	*/
2361
2362	int	2167	int
2363	distance (const object *ob1, const object *ob2)	2168	distance (const object *ob1, const object *ob2)
2364	{	2169	{
2365	int
2366	i;
2367
2368	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);
2369	return i;
2370	}	2171	}
2371		2172
2372	/*	2173	/*
2373	* 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
2374	* 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
2375	* object, needs to travel toward it.	2176	* object, needs to travel toward it.
2376	*/	2177	*/
2377
2378	int	2178	int
2379	find_dir_2 (int x, int y)	2179	find_dir_2 (int x, int y)
2380	{	2180	{
2381	int	2181	int q;
2382	q;
2383		2182
2384	if (y)	2183	if (y)
2385	q = x * 100 / y;	2184	q = x * 100 / y;
2386	else if (x)	2185	else if (x)
2387	q = -300 * x;	2186	q = -300 * x;
…		…
2412		2211
2413	return 3;	2212	return 3;
2414	}	2213	}
2415		2214
2416	/*	2215	/*
2417	* absdir(int): Returns a number between 1 and 8, which represent
2418	* the "absolute" direction of a number (it actually takes care of
2419	* "overflow" in previous calculations of a direction).
2420	*/
2421
2422	int
2423	absdir (int d)
2424	{
2425	while (d < 1)
2426	d += 8;
2427	while (d > 8)
2428	d -= 8;
2429	return d;
2430	}
2431
2432	/*
2433	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2216	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2434	* between two directions (which are expected to be absolute (see absdir())	2217	* between two directions (which are expected to be absolute (see absdir())
2435	*/	2218	*/
2436
2437	int	2219	int
2438	dirdiff (int dir1, int dir2)	2220	dirdiff (int dir1, int dir2)
2439	{	2221	{
2440	int	2222	int d;
2441	d;
2442		2223
2443	d = abs (dir1 - dir2);	2224	d = abs (dir1 - dir2);
2444	if (d > 4)	2225	if (d > 4)
2445	d = 8 - d;	2226	d = 8 - d;
		2227
2446	return d;	2228	return d;
2447	}	2229	}
2448		2230
2449	/* peterm:	2231	/* peterm:
2450	* 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.
…		…
2453	* 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
2454	* 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.
2455	* 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
2456	* functions.	2238	* functions.
2457	*/	2239	*/
2458
2459	int
2460	reduction_dir[SIZEOFFREE][3] = {	2240	int reduction_dir[SIZEOFFREE][3] = {
2461	{0, 0, 0}, /* 0 */	2241	{0, 0, 0}, /* 0 */
2462	{0, 0, 0}, /* 1 */	2242	{0, 0, 0}, /* 1 */
2463	{0, 0, 0}, /* 2 */	2243	{0, 0, 0}, /* 2 */
2464	{0, 0, 0}, /* 3 */	2244	{0, 0, 0}, /* 3 */
2465	{0, 0, 0}, /* 4 */	2245	{0, 0, 0}, /* 4 */
…		…
2513	* find a path to that monster that we found. If not,	2293	* find a path to that monster that we found. If not,
2514	* we don't bother going toward it. Returns 1 if we	2294	* we don't bother going toward it. Returns 1 if we
2515	* can see a direct way to get it	2295	* can see a direct way to get it
2516	* Modified to be map tile aware -.MSW	2296	* Modified to be map tile aware -.MSW
2517	*/	2297	*/
2518
2519
2520	int	2298	int
2521	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2299	can_see_monsterP (maptile *m, int x, int y, int dir)
2522	{	2300	{
2523	sint16 dx, dy;	2301	sint16 dx, dy;
2524	int
2525	mflags;	2302	int mflags;
2526		2303
2527	if (dir < 0)	2304	if (dir < 0)
2528	return 0; /* exit condition: invalid direction */	2305	return 0; /* exit condition: invalid direction */
2529		2306
2530	dx = x + freearr_x[dir];	2307	dx = x + freearr_x[dir];
…		…
2543	return 0;	2320	return 0;
2544		2321
2545	/* yes, can see. */	2322	/* yes, can see. */
2546	if (dir < 9)	2323	if (dir < 9)
2547	return 1;	2324	return 1;
		2325
2548	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2326	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2549	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2327	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2328	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2550	}	2329	}
2551
2552
2553		2330
2554	/*	2331	/*
2555	* 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
2556	* picked up by the picker. Returnes 1 if it can be	2333	* picked up by the picker. Returnes 1 if it can be
2557	* picked up, otherwise 0.	2334	* picked up, otherwise 0.
…		…
2559	* 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
2560	* core dumps if they do.	2337	* core dumps if they do.
2561	*	2338	*
2562	* 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)
2563	*/	2340	*/
2564
2565	int	2341	int
2566	can_pick (const object *who, const object *item)	2342	can_pick (const object *who, const object *item)
2567	{	2343	{
2568	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2344	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2569	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2345	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2570	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2346	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2571	}	2347	}
2572		2348
2573
2574	/*	2349	/*
2575	* create clone from object to another	2350	* create clone from object to another
2576	*/	2351	*/
2577	object *	2352	object *
2578	object_create_clone (object *asrc)	2353	object_create_clone (object *asrc)
2579	{	2354	{
2580	object *
2581	dst = NULL, *tmp, *src, *part, *prev, *item;	2355	object *dst = 0, *tmp, *src, *prev, *item;
2582		2356
2583	if (!asrc)	2357	if (!asrc)
2584	return NULL;	2358	return 0;
2585	src = asrc;	2359
2586	if (src->head)
2587	src = src->head;	2360	src = asrc->head_ ();
2588		2361
2589	prev = NULL;	2362	prev = 0;
2590	for (part = src; part; part = part->more)	2363	for (object *part = src; part; part = part->more)
2591	{	2364	{
2592	tmp = get_object ();	2365	tmp = part->clone ();
2593	copy_object (part, tmp);
2594	tmp->x -= src->x;	2366	tmp->x -= src->x;
2595	tmp->y -= src->y;	2367	tmp->y -= src->y;
		2368
2596	if (!part->head)	2369	if (!part->head)
2597	{	2370	{
2598	dst = tmp;	2371	dst = tmp;
2599	tmp->head = NULL;	2372	tmp->head = 0;
2600	}	2373	}
2601	else	2374	else
2602	{
2603	tmp->head = dst;	2375	tmp->head = dst;
2604	}	2376
2605	tmp->more = NULL;	2377	tmp->more = 0;
		2378
2606	if (prev)	2379	if (prev)
2607	prev->more = tmp;	2380	prev->more = tmp;
		2381
2608	prev = tmp;	2382	prev = tmp;
2609	}	2383	}
2610		2384
2611	/*** copy inventory ***/
2612	for (item = src->inv; item; item = item->below)	2385	for (item = src->inv; item; item = item->below)
2613	{
2614	(void) insert_ob_in_ob (object_create_clone (item), dst);	2386	insert_ob_in_ob (object_create_clone (item), dst);
2615	}
2616		2387
2617	return dst;	2388	return dst;
2618	}
2619
2620	/* return true if the object was destroyed, 0 otherwise */
2621	int
2622	was_destroyed (const object *op, tag_t old_tag)
2623	{
2624	/* checking for FLAG_FREED isn't necessary, but makes this function more
2625	* robust */
2626	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2627	}
2628
2629	/* GROS - Creates an object using a string representing its content. */
2630
2631	/* Basically, we save the content of the string to a temp file, then call */
2632
2633	/* load_object on it. I admit it is a highly inefficient way to make things, */
2634
2635	/* but it was simple to make and allows reusing the load_object function. */
2636
2637	/* Remember not to use load_object_str in a time-critical situation. */
2638
2639	/* Also remember that multiparts objects are not supported for now. */
2640
2641	object *
2642	load_object_str (const char *obstr)
2643	{
2644	object *
2645	op;
2646	char
2647	filename[MAX_BUF];
2648
2649	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2650
2651	FILE *
2652	tempfile = fopen (filename, "w");
2653
2654	if (tempfile == NULL)
2655	{
2656	LOG (llevError, "Error - Unable to access load object temp file\n");
2657	return NULL;
2658	};
2659	fprintf (tempfile, obstr);
2660	fclose (tempfile);
2661
2662	op = get_object ();
2663
2664	object_thawer thawer (filename);
2665
2666	if (thawer)
2667	load_object (thawer, op, 0);
2668
2669	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2670	CLEAR_FLAG (op, FLAG_REMOVED);
2671
2672	return op;
2673	}	2389	}
2674		2390
2675	/* This returns the first object in who's inventory that	2391	/* This returns the first object in who's inventory that
2676	* has the same type and subtype match.	2392	* has the same type and subtype match.
2677	* returns NULL if no match.	2393	* returns NULL if no match.
2678	*/	2394	*/
2679	object *	2395	object *
2680	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)
2681	{	2397	{
2682	object *
2683	tmp;
2684
2685	for (tmp = who->inv; tmp; tmp = tmp->below)	2398	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2686	if (tmp->type == type && tmp->subtype == subtype)	2399	if (tmp->type == type && tmp->subtype == subtype)
2687	return tmp;	2400	return tmp;
2688		2401
2689	return NULL;	2402	return 0;
2690	}	2403	}
2691		2404
2692	/* 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,
2693	* otherwise return NULL.	2406	* otherwise return NULL.
2694	*	2407	*
…		…
2696	* do the desired thing.	2409	* do the desired thing.
2697	*/	2410	*/
2698	key_value *	2411	key_value *
2699	get_ob_key_link (const object *ob, const char *key)	2412	get_ob_key_link (const object *ob, const char *key)
2700	{	2413	{
2701	key_value *
2702	link;
2703
2704	for (link = ob->key_values; link != NULL; link = link->next)	2414	for (key_value *link = ob->key_values; link; link = link->next)
2705	{
2706	if (link->key == key)	2415	if (link->key == key)
2707	{
2708	return link;	2416	return link;
2709	}
2710	}
2711		2417
2712	return NULL;	2418	return 0;
2713	}	2419	}
2714		2420
2715	/*	2421	/*
2716	* 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.
2717	*	2423	*
…		…
2720	* The returned string is shared.	2426	* The returned string is shared.
2721	*/	2427	*/
2722	const char *	2428	const char *
2723	get_ob_key_value (const object *op, const char *const key)	2429	get_ob_key_value (const object *op, const char *const key)
2724	{	2430	{
2725	key_value *	2431	key_value *link;
2726	link;	2432	shstr_cmp canonical_key (key);
2727	const char *
2728	canonical_key;
2729		2433
2730	canonical_key = shstr::find (key);
2731
2732	if (canonical_key == NULL)	2434	if (!canonical_key)
2733	{	2435	{
2734	/* 1. There being a field named key on any object	2436	/* 1. There being a field named key on any object
2735	* implies there'd be a shared string to find.	2437	* implies there'd be a shared string to find.
2736	* 2. Since there isn't, no object has this field.	2438	* 2. Since there isn't, no object has this field.
2737	* 3. Therefore, *this* object doesn't have this field.	2439	* 3. Therefore, *this* object doesn't have this field.
2738	*/	2440	*/
2739	return NULL;	2441	return 0;
2740	}	2442	}
2741		2443
2742	/* This is copied from get_ob_key_link() above -	2444	/* This is copied from get_ob_key_link() above -
2743	* only 4 lines, and saves the function call overhead.	2445	* only 4 lines, and saves the function call overhead.
2744	*/	2446	*/
2745	for (link = op->key_values; link != NULL; link = link->next)	2447	for (link = op->key_values; link; link = link->next)
2746	{
2747	if (link->key == canonical_key)	2448	if (link->key == canonical_key)
2748	{
2749	return link->value;	2449	return link->value;
2750	}	2450
2751	}
2752	return NULL;	2451	return 0;
2753	}	2452	}
2754
2755		2453
2756	/*	2454	/*
2757	* Updates the canonical_key in op to value.	2455	* Updates the canonical_key in op to value.
2758	*	2456	*
2759	* 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).
…		…
2764	* Returns TRUE on success.	2462	* Returns TRUE on success.
2765	*/	2463	*/
2766	int	2464	int
2767	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)
2768	{	2466	{
2769	key_value *
2770	field = NULL, *last = NULL;	2467	key_value *field = NULL, *last = NULL;
2771		2468
2772	for (field = op->key_values; field != NULL; field = field->next)	2469	for (field = op->key_values; field != NULL; field = field->next)
2773	{	2470	{
2774	if (field->key != canonical_key)	2471	if (field->key != canonical_key)
2775	{	2472	{
…		…
2784	/* Basically, if the archetype has this key set,	2481	/* Basically, if the archetype has this key set,
2785	* we need to store the null value so when we save	2482	* we need to store the null value so when we save
2786	* it, we save the empty value so that when we load,	2483	* it, we save the empty value so that when we load,
2787	* we get this value back again.	2484	* we get this value back again.
2788	*/	2485	*/
2789	if (get_ob_key_link (&op->arch->clone, canonical_key))	2486	if (get_ob_key_link (op->arch, canonical_key))
2790	field->value = 0;	2487	field->value = 0;
2791	else	2488	else
2792	{	2489	{
2793	if (last)	2490	if (last)
2794	last->next = field->next;	2491	last->next = field->next;
…		…
2803	/* IF we get here, key doesn't exist */	2500	/* IF we get here, key doesn't exist */
2804		2501
2805	/* No field, we'll have to add it. */	2502	/* No field, we'll have to add it. */
2806		2503
2807	if (!add_key)	2504	if (!add_key)
2808	{
2809	return FALSE;	2505	return FALSE;
2810	}	2506
2811	/* There isn't any good reason to store a null	2507	/* There isn't any good reason to store a null
2812	* value in the key/value list. If the archetype has	2508	* value in the key/value list. If the archetype has
2813	* this key, then we should also have it, so shouldn't	2509	* this key, then we should also have it, so shouldn't
2814	* be here. If user wants to store empty strings,	2510	* be here. If user wants to store empty strings,
2815	* should pass in ""	2511	* should pass in ""
…		…
2864	}	2560	}
2865	else	2561	else
2866	item = item->env;	2562	item = item->env;
2867	}	2563	}
2868		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

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines