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Comparing deliantra/server/common/object.C (file contents):
Revision 1.53 by root, Tue Nov 7 16:30:54 2006 UTC vs.
Revision 1.207 by root, Sun Apr 20 23:25:09 2008 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
26	variable. */	26	variable. */
		27
27	#include <global.h>	28	#include <global.h>
28	#include <stdio.h>	29	#include <stdio.h>
29	#include <sys/types.h>	30	#include <sys/types.h>
30	#include <sys/uio.h>	31	#include <sys/uio.h>
31	#include <object.h>	32	#include <object.h>
32	#include <funcpoint.h>	33	#include <funcpoint.h>
		34	#include <sproto.h>
33	#include <loader.h>	35	#include <loader.h>
34		36
35	int nrofallocobjects = 0;	37	#include <bitset>
36	static UUID uuid;	38
		39	UUID UUID::cur;
		40	static uint64_t seq_next_save;
37	const uint64 UUID_SKIP = 1<<19;	41	static const uint64 UUID_GAP = 1<<19;
38		42
39	object *active_objects; /* List of active objects that need to be processed */	43	objectvec objects;
		44	activevec actives;
40		45
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,	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
55	static void	71	static void
56	write_uuid (void)	72	write_uuid (uval64 skip, bool sync)
57	{	73	{
58	char filename1[MAX_BUF], filename2[MAX_BUF];	74	CALL_BEGIN (2);
59		75	CALL_ARG_SV (newSVval64 (skip));
60	sprintf (filename1, "%s/uuid", settings.localdir);	76	CALL_ARG_SV (boolSV (sync));
61	sprintf (filename2, "%s/uuid~", settings.localdir);	77	CALL_CALL ("cf::write_uuid", G_DISCARD);
62		78	CALL_END;
63	FILE *fp;
64
65	if (!(fp = fopen (filename2, "w")))
66	{
67	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
68	return;
69	}
70
71	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
72	fclose (fp);
73	rename (filename2, filename1);
74	}	79	}
75		80
76	static void	81	static void
77	read_uuid (void)	82	read_uuid (void)
78	{	83	{
79	char filename[MAX_BUF];	84	char filename[MAX_BUF];
80		85
81	sprintf (filename, "%s/uuid", settings.localdir);	86	sprintf (filename, "%s/uuid", settings.localdir);
82		87
		88	seq_next_save = 0;
		89
83	FILE *fp;	90	FILE *fp;
84		91
85	if (!(fp = fopen (filename, "r")))	92	if (!(fp = fopen (filename, "r")))
86	{	93	{
87	if (errno == ENOENT)	94	if (errno == ENOENT)
88	{	95	{
89	LOG (llevInfo, "RESET uid to 1\n");	96	LOG (llevInfo, "RESET uid to 1\n");
90	uuid.seq = 0;	97	UUID::cur.seq = 0;
91	write_uuid ();	98	write_uuid (UUID_GAP, true);
92	return;	99	return;
93	}	100	}
94		101
95	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	102	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
96	_exit (1);	103	_exit (1);
97	}	104	}
98		105
99	int version;	106	UUID::BUF buf;
100	unsigned long long uid;	107	buf[0] = 0;
101	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	108	fgets (buf, sizeof (buf), fp);
		109
		110	if (!UUID::cur.parse (buf))
102	{	111	{
103	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	112	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
104	_exit (1);	113	_exit (1);
105	}	114	}
106		115
107	uuid.seq = uid;
108	write_uuid ();
109	LOG (llevDebug, "read UID: %lld\n", uid);	116	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
		117
		118	write_uuid (UUID_GAP, true);
110	fclose (fp);	119	fclose (fp);
111	}	120	}
112		121
113	UUID	122	UUID
114	gen_uuid ()	123	UUID::gen ()
115	{	124	{
116	UUID uid;	125	UUID uid;
117		126
118	uid.seq = ++uuid.seq;	127	uid.seq = ++cur.seq;
119		128
120	if (!(uuid.seq & (UUID_SKIP - 1)))	129	if (expect_false (cur.seq >= seq_next_save))
121	write_uuid ();	130	{
		131	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		132	write_uuid (UUID_GAP, false);
		133	}
		134
122		135
123	return uid;	136	return uid;
124	}	137	}
125		138
126	void	139	void
127	init_uuid ()	140	UUID::init ()
128	{	141	{
129	read_uuid ();	142	read_uuid ();
130	}	143	}
131		144
132	/* 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. */
133	static int	146	static bool
134	compare_ob_value_lists_one (const object *wants, const object *has)	147	compare_ob_value_lists_one (const object *wants, const object *has)
135	{	148	{
136	key_value *wants_field;	149	key_value *wants_field;
137		150
138	/* 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
139	* 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
140	* different structure or at least keep the lists sorted...	153	* different structure or at least keep the lists sorted...
141	*/	154	*/
142		155
143	/* For each field in wants, */	156	/* For each field in wants, */
144	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)
145	{	158	{
146	key_value *has_field;	159	key_value *has_field;
147		160
148	/* Look for a field in has with the same key. */	161	/* Look for a field in has with the same key. */
149	has_field = get_ob_key_link (has, wants_field->key);	162	has_field = get_ob_key_link (has, wants_field->key);
150		163
151	if (has_field == NULL)	164	if (!has_field)
152	{
153	/* No field with that name. */	165	return 0; /* No field with that name. */
154	return FALSE;
155	}
156		166
157	/* Found the matching field. */	167	/* Found the matching field. */
158	if (has_field->value != wants_field->value)	168	if (has_field->value != wants_field->value)
159	{
160	/* 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. */
161	return FALSE;
162	}
163		170
164	/* 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. */
165	}	172	}
166		173
167	/* 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. */
168	return TRUE;	175	return 1;
169	}	176	}
170		177
171	/* Returns TRUE if ob1 has the same key_values as ob2. */	178	/* Returns TRUE if ob1 has the same key_values as ob2. */
172	static int	179	static bool
173	compare_ob_value_lists (const object *ob1, const object *ob2)	180	compare_ob_value_lists (const object *ob1, const object *ob2)
174	{	181	{
175	/* 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,
176	* so we need to run the comparison *twice*. :(	183	* so we need to run the comparison *twice*. :(
177	*/	184	*/
…		…
183	*	190	*
184	* 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
185	* replaces - this is mostly for clarity - a decent compiler should hopefully	192	* replaces - this is mostly for clarity - a decent compiler should hopefully
186	* reduce this to the same efficiency.	193	* reduce this to the same efficiency.
187	*	194	*
188	* Check nrof variable *before* calling CAN_MERGE()	195	* Check nrof variable *before* calling can_merge()
189	*	196	*
190	* Improvements made with merge: Better checking on potion, and also	197	* Improvements made with merge: Better checking on potion, and also
191	* check weight	198	* check weight
192	*/	199	*/
193
194	bool object::can_merge (object *ob1, object *ob2)	200	bool object::can_merge_slow (object *ob1, object *ob2)
195	{	201	{
196	/* A couple quicksanity checks */	202	/* A couple quicksanity checks */
197	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)
198	return 0;	208	return 0;
199		209
200	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))
201	return 0;	216	return 0;
202		217
203	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
204	* value could not be stored in a sint32 (which unfortunately sometimes is
205	* used to store nrof).
206	*/
207	if (ob1->nrof + ob2->nrof >= 1UL << 31)
208	return 0;
209
210	/* If the objects have been identified, set the BEEN_APPLIED flag.	218	/* If the objects have been identified, set the BEEN_APPLIED flag.
211	* 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
212	* 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
213	* 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
214	* flags lose any meaning.	222	* flags lose any meaning.
215	*/	223	*/
216	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	224	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
217	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	225	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
218		226
219	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	227	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
220	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	228	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
221		229
222		230	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
223	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	231	|| ob1->arch != ob2->arch
224	* being locked in inventory should prevent merging.
225	* 0x4 in flags3 is CLIENT_SENT
226	*/
227	if ((ob1->arch != ob2->arch) ||
228	(ob1->flags[0] != ob2->flags[0]) ||
229	(ob1->flags[1] != ob2->flags[1]) ||
230	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
231	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
232	(ob1->name != ob2->name) ||	232	|| ob1->name != ob2->name
233	(ob1->title != ob2->title) ||	233	|| ob1->title != ob2->title
234	(ob1->msg != ob2->msg) ||	234	|| ob1->msg != ob2->msg
235	(ob1->weight != ob2->weight) ||	235	|| ob1->weight != ob2->weight
236	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	236	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
237	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	237	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
238	(ob1->attacktype != ob2->attacktype) ||	238	|| ob1->attacktype != ob2->attacktype
239	(ob1->magic != ob2->magic) ||	239	|| ob1->magic != ob2->magic
240	(ob1->slaying != ob2->slaying) ||	240	|| ob1->slaying != ob2->slaying
241	(ob1->skill != ob2->skill) ||	241	|| ob1->skill != ob2->skill
242	(ob1->value != ob2->value) ||	242	|| ob1->value != ob2->value
243	(ob1->animation_id != ob2->animation_id) ||	243	|| ob1->animation_id != ob2->animation_id
244	(ob1->client_type != ob2->client_type) ||	244	|| ob1->client_type != ob2->client_type
245	(ob1->materialname != ob2->materialname) ||	245	|| ob1->materialname != ob2->materialname
246	(ob1->lore != ob2->lore) ||	246	|| ob1->lore != ob2->lore
247	(ob1->subtype != ob2->subtype) ||	247	|| ob1->subtype != ob2->subtype
248	(ob1->move_type != ob2->move_type) ||	248	|| ob1->move_type != ob2->move_type
249	(ob1->move_block != ob2->move_block) ||	249	|| ob1->move_block != ob2->move_block
250	(ob1->move_allow != ob2->move_allow) ||	250	|| ob1->move_allow != ob2->move_allow
251	(ob1->move_on != ob2->move_on) ||	251	|| ob1->move_on != ob2->move_on
252	(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)
253	return 0;	255	return 0;
254		256
255	/* This is really a spellbook check - really, we should	257	/* This is really a spellbook check - we should in general
256	* check all objects in the inventory.	258	* not merge objects with real inventories, as splitting them
		259	* is hard.
257	*/	260	*/
258	if (ob1->inv || ob2->inv)	261	if (ob1->inv || ob2->inv)
259	{	262	{
260	/* if one object has inventory but the other doesn't, not equiv */
261	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
262	return 0;
263
264	/* Now check to see if the two inventory objects could merge */
265	if (!CAN_MERGE (ob1->inv, ob2->inv))	263	if (!(ob1->inv && ob2->inv))
266	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 */
267		271
268	/* 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
269	* if it is valid.	273	* if it is valid.
270	*/	274	*/
271	}	275	}
…		…
279		283
280	/* 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
281	* 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
282	* check?	286	* check?
283	*/	287	*/
284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	288	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
285	return 0;	289	return 0;
286		290
287	switch (ob1->type)	291	switch (ob1->type)
288	{	292	{
289	case SCROLL:	293	case SCROLL:
290	if (ob1->level != ob2->level)	294	if (ob1->level != ob2->level)
291	return 0;	295	return 0;
292	break;	296	break;
293	}	297	}
294		298
295	if (ob1->key_values != NULL || ob2->key_values != NULL)	299	if (ob1->key_values || ob2->key_values)
296	{	300	{
297	/* At least one of these has key_values. */	301	/* At least one of these has key_values. */
298	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	302	if ((!ob1->key_values) != (!ob2->key_values))
299	/* One has fields, but the other one doesn't. */	303	/* One has fields, but the other one doesn't. */
300	return 0;	304	return 0;
301	else if (!compare_ob_value_lists (ob1, ob2))	305	else if (!compare_ob_value_lists (ob1, ob2))
302	return 0;	306	return 0;
303	}	307	}
304		308
305	//TODO: generate an event or call into perl for additional checks
306	if (ob1->self || ob2->self)	309	if (ob1->self || ob2->self)
307	{	310	{
308	ob1->optimise ();	311	ob1->optimise ();
309	ob2->optimise ();	312	ob2->optimise ();
310		313
311	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)
312	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	}
313	}	326	}
314		327
315	/* Everything passes, must be OK. */	328	/* Everything passes, must be OK. */
316	return 1;	329	return 1;
317	}	330	}
318		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
319	/*	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	/*
320	* sum_weight() is a recursive function which calculates the weight	367	* this is a recursive function which calculates the weight
321	* 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
322	* containers are carrying, and sums it up.	369	* containers are carrying, and sums it up.
323	*/	370	*/
324	long	371	void
325	sum_weight (object *op)	372	object::update_weight ()
326	{	373	{
327	long sum;	374	sint32 sum = 0;
328	object *inv;
329		375
330	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	376	for (object *op = inv; op; op = op->below)
331	{	377	{
332	if (inv->inv)	378	if (op->inv)
333	sum_weight (inv);	379	op->update_weight ();
334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
335	}
336		380
337	if (op->type == CONTAINER && op->stats.Str)	381	sum += op->total_weight ();
338	sum = (sum * (100 - op->stats.Str)) / 100;	382	}
339		383
340	if (op->carrying != sum)	384	carrying = weight_adjust (this, sum);
341	op->carrying = sum;
342
343	return sum;
344	}
345
346	/**
347	* Return the outermost environment object for a given object.
348	*/
349
350	object *
351	object_get_env_recursive (object *op)
352	{
353	while (op->env != NULL)
354	op = op->env;
355	return op;
356	}
357
358	/*
359	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
360	* a better check. We basically keeping traversing up until we can't
361	* or find a player.
362	*/
363
364	object *
365	is_player_inv (object *op)
366	{
367	for (; op != NULL && op->type != PLAYER; op = op->env)
368	if (op->env == op)
369	op->env = NULL;
370	return op;
371	}	385	}
372		386
373	/*	387	/*
374	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	388	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
375	* Some error messages.	389	* Some error messages.
376	* 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.
377	*/	391	*/
378
379	char *	392	char *
380	dump_object (object *op)	393	dump_object (object *op)
381	{	394	{
382	if (!op)	395	if (!op)
383	return strdup ("[NULLOBJ]");	396	return strdup ("[NULLOBJ]");
384		397
385	object_freezer freezer;	398	object_freezer freezer;
386	save_object (freezer, op, 3);	399	op->write (freezer);
387	return freezer.as_string ();	400	return freezer.as_string ();
388	}	401	}
389		402
390	/*	403	/*
391	* 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
392	* multi-object 1 which is closest to the second object.	405	* multi-object 1 which is closest to the second object.
393	* If it's not a multi-object, it is returned.	406	* If it's not a multi-object, it is returned.
394	*/	407	*/
395
396	object *	408	object *
397	get_nearest_part (object *op, const object *pl)	409	get_nearest_part (object *op, const object *pl)
398	{	410	{
399	object *tmp, *closest;	411	object *tmp, *closest;
400	int last_dist, i;	412	int last_dist, i;
…		…
408	}	420	}
409		421
410	/*	422	/*
411	* 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.
412	*/	424	*/
413
414	object *	425	object *
415	find_object (tag_t i)	426	find_object (tag_t i)
416	{	427	{
417	object *op;	428	for_all_objects (op)
418
419	for (op = object::first; op != NULL; op = op->next)
420	if (op->count == i)	429	if (op->count == i)
421	break;
422
423	return op;	430	return op;
		431
		432	return 0;
424	}	433	}
425		434
426	/*	435	/*
427	* 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.
428	* Used only by the patch command, but not all that useful.	437	* Used only by the patch command, but not all that useful.
429	* Enables features like "patch <name-of-other-player> food 999"	438	* Enables features like "patch <name-of-other-player> food 999"
430	*/	439	*/
431
432	object *	440	object *
433	find_object_name (const char *str)	441	find_object_name (const char *str)
434	{	442	{
435	shstr_cmp str_ (str);	443	shstr_cmp str_ (str);
436	object *op;	444	object *op;
437		445
438	for (op = object::first; op != NULL; op = op->next)	446	for_all_objects (op)
439	if (op->name == str_)	447	if (op->name == str_)
440	break;	448	break;
441		449
442	return op;	450	return op;
443	}	451	}
444		452
445	void
446	free_all_object_data ()
447	{
448	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
449	}
450
451	/*	453	/*
452	* 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
453	* skill and experience objects.	455	* skill and experience objects.
		456	* ACTUALLY NO! investigate! TODO
454	*/	457	*/
455	void	458	void
456	object::set_owner (object *owner)	459	object::set_owner (object *owner)
457	{	460	{
		461	// allow objects which own objects
458	if (!owner)	462	if (owner)
459	return;
460
461	/* next line added to allow objects which own objects */
462	/* Add a check for ownercounts in here, as I got into an endless loop
463	* with the fireball owning a poison cloud which then owned the
464	* fireball. I believe that was caused by one of the objects getting
465	* freed and then another object replacing it. Since the ownercounts
466	* didn't match, this check is valid and I believe that cause is valid.
467	*/
468	while (owner->owner)	463	while (owner->owner)
469	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	}
470		471
471	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;
472	}	539	}
473		540
474	/* Zero the key_values on op, decrementing the shared-string	541	/* Zero the key_values on op, decrementing the shared-string
475	* refcounts and freeing the links.	542	* refcounts and freeing the links.
476	*/	543	*/
477	static void	544	static void
478	free_key_values (object *op)	545	free_key_values (object *op)
479	{	546	{
480	for (key_value *i = op->key_values; i != 0;)	547	for (key_value *i = op->key_values; i; )
481	{	548	{
482	key_value *next = i->next;	549	key_value *next = i->next;
483	delete i;	550	delete i;
484		551
485	i = next;	552	i = next;
486	}	553	}
487		554
488	op->key_values = 0;	555	op->key_values = 0;
489	}	556	}
490		557
491	void object::clear ()	558	object &
		559	object::operator =(const object &src)
492	{	560	{
493	attachable_base::clear ();	561	bool is_freed = flag [FLAG_FREED];
		562	bool is_removed = flag [FLAG_REMOVED];
494		563
495	free_key_values (this);	564	*(object_copy *)this = src;
496		565
497	owner = 0;	566	flag [FLAG_FREED] = is_freed;
498	name = 0;	567	flag [FLAG_REMOVED] = is_removed;
499	name_pl = 0;
500	title = 0;
501	race = 0;
502	slaying = 0;
503	skill = 0;
504	msg = 0;
505	lore = 0;
506	custom_name = 0;
507	materialname = 0;
508	contr = 0;
509	below = 0;
510	above = 0;
511	inv = 0;
512	container = 0;
513	env = 0;
514	more = 0;
515	head = 0;
516	map = 0;
517	active_next = 0;
518	active_prev = 0;
519
520	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
521
522	SET_FLAG (this, FLAG_REMOVED);
523
524	/* What is not cleared is next, prev, and count */
525
526	expmul = 1.0;
527	face = blank_face;
528
529	if (settings.casting_time)
530	casting_time = -1;
531	}
532
533	void object::clone (object *destination)
534	{
535	*(object_copy *)destination = *this;
536	*(object_pod *)destination = *this;
537
538	if (self || cb)
539	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
540	}
541
542	/*
543	* copy object first frees everything allocated by the second object,
544	* and then copies the contends of the first object into the second
545	* object, allocating what needs to be allocated. Basically, any
546	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
547	* if the first object is freed, the pointers in the new object
548	* will point at garbage.
549	*/
550	void
551	copy_object (object *op2, object *op)
552	{
553	bool is_freed = QUERY_FLAG (op, FLAG_FREED);
554	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
555
556	op2->clone (op);
557
558	if (is_freed)
559	SET_FLAG (op, FLAG_FREED);
560	if (is_removed)
561	SET_FLAG (op, FLAG_REMOVED);
562
563	if (op2->speed < 0)
564	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
565		568
566	/* Copy over key_values, if any. */	569	/* Copy over key_values, if any. */
567	if (op2->key_values)	570	if (src.key_values)
568	{	571	{
569	key_value *tail = 0;	572	key_value *tail = 0;
570	key_value *i;
571
572	op->key_values = 0;	573	key_values = 0;
573		574
574	for (i = op2->key_values; i; i = i->next)	575	for (key_value *i = src.key_values; i; i = i->next)
575	{	576	{
576	key_value *new_link = new key_value;	577	key_value *new_link = new key_value;
577		578
578	new_link->next = 0;	579	new_link->next = 0;
579	new_link->key = i->key;	580	new_link->key = i->key;
580	new_link->value = i->value;	581	new_link->value = i->value;
581		582
582	/* Try and be clever here, too. */	583	/* Try and be clever here, too. */
583	if (!op->key_values)	584	if (!key_values)
584	{	585	{
585	op->key_values = new_link;	586	key_values = new_link;
586	tail = new_link;	587	tail = new_link;
587	}	588	}
588	else	589	else
589	{	590	{
590	tail->next = new_link;	591	tail->next = new_link;
591	tail = new_link;	592	tail = new_link;
592	}	593	}
593	}	594	}
594	}	595	}
		596	}
595		597
596	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;
597	}	642	}
598		643
599	/*	644	/*
600	* 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
601	* 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
602	* 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.
603	*/	648	*/
604
605	void	649	void
606	update_turn_face (object *op)	650	update_turn_face (object *op)
607	{	651	{
608	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	652	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
609	return;	653	return;
		654
610	SET_ANIMATION (op, op->direction);	655	SET_ANIMATION (op, op->direction);
611	update_object (op, UP_OBJ_FACE);	656	update_object (op, UP_OBJ_FACE);
612	}	657	}
613		658
614	/*	659	/*
615	* 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
616	* 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.
617	* 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.
618	*/	663	*/
619	void	664	void
620	update_ob_speed (object *op)	665	object::set_speed (float speed)
621	{	666	{
622	extern int arch_init;	667	if (flag [FLAG_FREED] && speed)
623
624	/* No reason putting the archetypes objects on the speed list,
625	* since they never really need to be updated.
626	*/
627
628	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
629	{	668	{
630	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	669	LOG (llevError, "Object %s is freed but has speed.\n", &name);
631	#ifdef MANY_CORES
632	abort ();
633	#else
634	op->speed = 0;	670	speed = 0;
635	#endif
636	}
637
638	if (arch_init)
639	return;
640
641	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
642	{	671	}
643	/* If already on active list, don't do anything */
644	if (op->active_next || op->active_prev || op == active_objects)
645	return;
646		672
647	/* process_events() expects us to insert the object at the beginning	673	this->speed = speed;
648	* of the list. */
649	op->active_next = active_objects;
650		674
651	if (op->active_next != NULL)	675	if (has_active_speed ())
652	op->active_next->active_prev = op;	676	activate ();
653
654	active_objects = op;
655	}
656	else	677	else
657	{	678	deactivate ();
658	/* If not on the active list, nothing needs to be done */
659	if (!op->active_next && !op->active_prev && op != active_objects)
660	return;
661
662	if (op->active_prev == NULL)
663	{
664	active_objects = op->active_next;
665
666	if (op->active_next != NULL)
667	op->active_next->active_prev = NULL;
668	}
669	else
670	{
671	op->active_prev->active_next = op->active_next;
672
673	if (op->active_next)
674	op->active_next->active_prev = op->active_prev;
675	}
676
677	op->active_next = NULL;
678	op->active_prev = NULL;
679	}
680	}	679	}
681		680
682	/* This function removes object 'op' from the list of active
683	* objects.
684	* This should only be used for style maps or other such
685	* reference maps where you don't want an object that isn't
686	* in play chewing up cpu time getting processed.
687	* The reverse of this is to call update_ob_speed, which
688	* will do the right thing based on the speed of the object.
689	*/
690	void
691	remove_from_active_list (object *op)
692	{
693	/* If not on the active list, nothing needs to be done */
694	if (!op->active_next && !op->active_prev && op != active_objects)
695	return;
696
697	if (op->active_prev == NULL)
698	{
699	active_objects = op->active_next;
700	if (op->active_next != NULL)
701	op->active_next->active_prev = NULL;
702	}
703	else
704	{
705	op->active_prev->active_next = op->active_next;
706	if (op->active_next)
707	op->active_next->active_prev = op->active_prev;
708	}
709	op->active_next = NULL;
710	op->active_prev = NULL;
711	}
712
713	/*	681	/*
714	* update_object() updates the array which represents the map.	682	* update_object() updates the the map.
715	* It takes into account invisible objects (and represent squares covered	683	* It takes into account invisible objects (and represent squares covered
716	* 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
717	* invisible object, etc...)	685	* invisible object, etc...)
718	* 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
719	* 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
720	* updating that window, though, since update_object() is called _often_)	688	* updating that window, though, since update_object() is called _often_)
721	*	689	*
722	* 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.
723	* For example, if the only thing that has changed is the face (due to
724	* an animation), we don't need to call update_position until that actually
725	* comes into view of a player. OTOH, many other things, like addition/removal
726	* of walls or living creatures may need us to update the flags now.
727	* current action are:	691	* current action are:
728	* UP_OBJ_INSERT: op was inserted	692	* UP_OBJ_INSERT: op was inserted
729	* UP_OBJ_REMOVE: op was removed	693	* UP_OBJ_REMOVE: op was removed
730	* 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
731	* 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.
732	* UP_OBJ_FACE: only the objects face has changed.	696	* UP_OBJ_FACE: only the objects face has changed.
733	*/	697	*/
734
735	void	698	void
736	update_object (object *op, int action)	699	update_object (object *op, int action)
737	{	700	{
738	int update_now = 0, flags;
739	MoveType move_on, move_off, move_block, move_slow;
740
741	if (op == NULL)	701	if (op == NULL)
742	{	702	{
743	/* this should never happen */	703	/* this should never happen */
744	LOG (llevDebug, "update_object() called for NULL object.\n");	704	LOG (llevDebug, "update_object() called for NULL object.\n");
745	return;	705	return;
746	}	706	}
747		707
748	if (op->env != NULL)	708	if (op->env)
749	{	709	{
750	/* Animation is currently handled by client, so nothing	710	/* Animation is currently handled by client, so nothing
751	* to do in this case.	711	* to do in this case.
752	*/	712	*/
753	return;	713	return;
…		…
758	*/	718	*/
759	if (!op->map || op->map->in_memory == MAP_SAVING)	719	if (!op->map || op->map->in_memory == MAP_SAVING)
760	return;	720	return;
761		721
762	/* make sure the object is within map boundaries */	722	/* make sure the object is within map boundaries */
763	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)
764	{	724	{
765	LOG (llevError, "update_object() called for object out of map!\n");	725	LOG (llevError, "update_object() called for object out of map!\n");
766	#ifdef MANY_CORES	726	#ifdef MANY_CORES
767	abort ();	727	abort ();
768	#endif	728	#endif
769	return;	729	return;
770	}	730	}
771		731
772	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	732	mapspace &m = op->ms ();
773	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
774	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
775	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
776	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
777	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
778		733
		734	if (!(m.flags_ & P_UPTODATE))
		735	/* nop */;
779	if (action == UP_OBJ_INSERT)	736	else if (action == UP_OBJ_INSERT)
780	{	737	{
		738	// this is likely overkill, TODO: revisit (schmorp)
781	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	739	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
782	update_now = 1;
783
784	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	740	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
785	update_now = 1;	741	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
786		742	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		743	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
787	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	744	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
788	update_now = 1;
789
790	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
791	update_now = 1;
792
793	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
794	update_now = 1;
795
796	if ((move_on | op->move_on) != move_on)	745	|| (m.move_on | op->move_on ) != m.move_on
797	update_now = 1;
798
799	if ((move_off | op->move_off) != move_off)	746	|| (m.move_off | op->move_off ) != m.move_off
800	update_now = 1;	747	|| (m.move_slow | op->move_slow) != m.move_slow
801
802	/* 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
803	* to have move_allow right now.	749	* to have move_allow right now.
804	*/	750	*/
805	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	751	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
806	update_now = 1;	752	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
807		753	m.flags_ = 0;
808	if ((move_slow | op->move_slow) != move_slow)
809	update_now = 1;
810	}	754	}
811	/* if the object is being removed, we can't make intelligent	755	/* if the object is being removed, we can't make intelligent
812	* decisions, because remove_ob can't really pass the object	756	* decisions, because remove_ob can't really pass the object
813	* that is being removed.	757	* that is being removed.
814	*/	758	*/
815	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	759	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
816	update_now = 1;	760	m.flags_ = 0;
817	else if (action == UP_OBJ_FACE)	761	else if (action == UP_OBJ_FACE)
818	/* Nothing to do for that case */ ;	762	/* Nothing to do for that case */ ;
819	else	763	else
820	LOG (llevError, "update_object called with invalid action: %d\n", action);	764	LOG (llevError, "update_object called with invalid action: %d\n", action);
821		765
822	if (update_now)
823	{
824	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
825	update_position (op->map, op->x, op->y);
826	}
827
828	if (op->more != NULL)	766	if (op->more)
829	update_object (op->more, action);	767	update_object (op->more, action);
830	}
831
832	object::vector object::mortals;
833	object::vector object::objects; // not yet used
834	object *object::first;
835
836	void object::free_mortals ()
837	{
838	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
839	if ((*i)->refcnt)
840	++i; // further delay freeing
841	else
842	{
843	delete *i;
844	mortals.erase (i);
845	}
846
847	static int lastmortals = 0;//D
848
849	if (mortals.size() != lastmortals && lastmortals > 100)//D
850	{
851	lastmortals = mortals.size ();//D
852	LOG (llevDebug, "%d objects in mortal queue\n", lastmortals);//D
853	}
854	}	768	}
855		769
856	object::object ()	770	object::object ()
857	{	771	{
858	SET_FLAG (this, FLAG_REMOVED);	772	SET_FLAG (this, FLAG_REMOVED);
…		…
861	face = blank_face;	775	face = blank_face;
862	}	776	}
863		777
864	object::~object ()	778	object::~object ()
865	{	779	{
		780	unlink ();
		781
866	free_key_values (this);	782	free_key_values (this);
867	}	783	}
868		784
		785	static int object_count;
		786
869	void object::link ()	787	void object::link ()
870	{	788	{
		789	assert (!index);//D
		790	uuid = UUID::gen ();
871	count = ++ob_count;	791	count = ++object_count;
872	uuid = gen_uuid ();
873		792
874	prev = 0;	793	refcnt_inc ();
875	next = object::first;	794	objects.insert (this);
876
877	if (object::first)
878	object::first->prev = this;
879
880	object::first = this;
881	}	795	}
882		796
883	void object::unlink ()	797	void object::unlink ()
884	{	798	{
885	if (this == object::first)	799	if (!index)
886	object::first = next;	800	return;
887		801
888	/* Remove this object from the list of used objects */	802	objects.erase (this);
889	if (prev) prev->next = next;	803	refcnt_dec ();
890	if (next) next->prev = prev;	804	}
891		805
892	prev = 0;	806	void
893	next = 0;	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)
		857	{
		858	op->flag [flag] = value;
		859	op->set_flag_inv (flag, value);
		860	}
		861	}
		862
		863	/*
		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	}
894	}	911	}
895		912
896	object *object::create ()	913	object *object::create ()
897	{	914	{
898	object *op = new object;	915	object *op = new object;
899	op->link ();	916	op->link ();
900	return op;	917	return op;
901	}	918	}
902		919
903	/*	920	void
904	* free_object() frees everything allocated by an object, removes	921	object::do_destroy ()
905	* it from the list of used objects, and puts it on the list of	922	{
906	* free objects. The IS_FREED() flag is set in the object.	923	attachable::do_destroy ();
907	* The object must have been removed by remove_ob() first for	924
908	* this function to succeed.	925	if (flag [FLAG_IS_LINKED])
909	*	926	remove_button_link (this);
910	* If destroy_inventory is set, free inventory as well. Else drop items in	927
911	* inventory to the ground.	928	if (flag [FLAG_FRIENDLY])
912	*/	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
913	void object::destroy (bool destroy_inventory)	980	object::destroy (bool destroy_inventory)
914	{	981	{
915	if (QUERY_FLAG (this, FLAG_FREED))	982	if (destroyed ())
916	return;	983	return;
917		984
918	if (QUERY_FLAG (this, FLAG_FRIENDLY))	985	if (destroy_inventory)
919	remove_friendly_object (this);	986	destroy_inv (false);
920		987
921	if (!QUERY_FLAG (this, FLAG_REMOVED))	988	if (is_head ())
922	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
923		993
924	SET_FLAG (this, FLAG_FREED);	994	attachable::destroy ();
925
926	if (more)
927	{
928	more->destroy (destroy_inventory);
929	more = 0;
930	}
931
932	if (inv)
933	{
934	/* Only if the space blocks everything do we not process -
935	* if some form of movement is allowed, let objects
936	* drop on that space.
937	*/
938	if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
939	{
940	object *op = inv;
941
942	while (op)
943	{
944	object *tmp = op->below;
945	op->destroy (destroy_inventory);
946	op = tmp;
947	}
948	}
949	else
950	{ /* Put objects in inventory onto this space */
951	object *op = inv;
952
953	while (op)
954	{
955	object *tmp = op->below;
956
957	remove_ob (op);
958
959	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
960	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
961	free_object (op);
962	else
963	{
964	op->x = x;
965	op->y = y;
966	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
967	}
968
969	op = tmp;
970	}
971	}
972	}
973
974	// clear those pointers that likely might have circular references to us
975	owner = 0;
976	enemy = 0;
977	attacked_by = 0;
978
979	// only relevant for players(?), but make sure of it anyways
980	contr = 0;
981
982	/* Remove object from the active list */
983	speed = 0;
984	update_ob_speed (this);
985
986	unlink ();
987
988	mortals.push_back (this);
989	}	995	}
990		996
991	/*	997	/* op->remove ():
992	* sub_weight() recursively (outwards) subtracts a number from the
993	* weight of an object (and what is carried by it's environment(s)).
994	*/
995
996	void
997	sub_weight (object *op, signed long weight)
998	{
999	while (op != NULL)
1000	{
1001	if (op->type == CONTAINER)
1002	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1003
1004	op->carrying -= weight;
1005	op = op->env;
1006	}
1007	}
1008
1009	/* remove_ob(op):
1010	* 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
1011	* 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
1012	* object will have no environment. If the object previously had an	1000	* object will have no environment. If the object previously had an
1013	* environment, the x and y coordinates will be updated to	1001	* environment, the x and y coordinates will be updated to
1014	* the previous environment.	1002	* the previous environment.
1015	* Beware: This function is called from the editor as well!
1016	*/	1003	*/
1017
1018	void	1004	void
1019	remove_ob (object *op)	1005	object::do_remove ()
1020	{	1006	{
1021	object *tmp, *last = 0;	1007	object *tmp, *last = 0;
1022	object *otmp;	1008	object *otmp;
1023		1009
1024	int check_walk_off;
1025	maptile *m;
1026
1027	sint16 x, y;
1028
1029	if (QUERY_FLAG (op, FLAG_REMOVED))	1010	if (QUERY_FLAG (this, FLAG_REMOVED))
1030	return;	1011	return;
1031		1012
1032	SET_FLAG (op, FLAG_REMOVED);	1013	SET_FLAG (this, FLAG_REMOVED);
		1014	INVOKE_OBJECT (REMOVE, this);
1033		1015
1034	if (op->more != NULL)	1016	if (more)
1035	remove_ob (op->more);	1017	more->remove ();
1036		1018
1037	/*	1019	/*
1038	* In this case, the object to be removed is in someones	1020	* In this case, the object to be removed is in someones
1039	* inventory.	1021	* inventory.
1040	*/	1022	*/
1041	if (op->env != NULL)	1023	if (env)
1042	{	1024	{
1043	if (op->nrof)	1025	if (nrof)
1044	sub_weight (op->env, op->weight * op->nrof);	1026	sub_weight (env, weight * nrof);
1045	else	1027	else
1046	sub_weight (op->env, op->weight + op->carrying);	1028	sub_weight (env, weight + carrying);
1047		1029
1048	/* 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
1049	* made to players inventory. If set, avoiding the call	1031	* made to players inventory. If set, avoiding the call
1050	* to save cpu time.	1032	* to save cpu time.
1051	*/	1033	*/
1052	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))
1053	fix_player (otmp);	1035	otmp->update_stats ();
1054		1036
1055	if (op->above != NULL)	1037	if (above)
1056	op->above->below = op->below;	1038	above->below = below;
1057	else	1039	else
1058	op->env->inv = op->below;	1040	env->inv = below;
1059		1041
1060	if (op->below != NULL)	1042	if (below)
1061	op->below->above = op->above;	1043	below->above = above;
1062		1044
1063	/* we set up values so that it could be inserted into	1045	/* we set up values so that it could be inserted into
1064	* 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
1065	* to the caller to decide what we want to do.	1047	* to the caller to decide what we want to do.
1066	*/	1048	*/
1067	op->x = op->env->x, op->y = op->env->y;	1049	x = env->x, y = env->y;
1068	op->map = op->env->map;	1050	map = env->map;
1069	op->above = NULL, op->below = NULL;	1051	above = 0, below = 0;
1070	op->env = NULL;	1052	env = 0;
1071	}	1053	}
1072	else if (op->map)	1054	else if (map)
1073	{	1055	{
1074	x = op->x;	1056	if (type == PLAYER)
1075	y = op->y;
1076	m = get_map_from_coord (op->map, &x, &y);
1077
1078	if (!m)
1079	{
1080	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1081	op->map->path, op->x, op->y);
1082	/* in old days, we used to set x and y to 0 and continue.
1083	* it seems if we get into this case, something is probablye
1084	* screwed up and should be fixed.
1085	*/
1086	abort ();
1087	}	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 ();
1088		1063
1089	if (op->map != m)	1064	--map->players;
1090	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	1065	map->touch ();
1091	op->map->path, m->path, op->x, op->y, x, y);
1092
1093	/* Re did the following section of code - it looks like it had
1094	* lots of logic for things we no longer care about
1095	*/	1066	}
		1067
		1068	map->dirty = true;
		1069	mapspace &ms = this->ms ();
1096		1070
1097	/* link the object above us */	1071	/* link the object above us */
1098	if (op->above)	1072	if (above)
1099	op->above->below = op->below;	1073	above->below = below;
1100	else	1074	else
1101	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1075	ms.top = below; /* we were top, set new top */
1102		1076
1103	/* Relink the object below us, if there is one */	1077	/* Relink the object below us, if there is one */
1104	if (op->below)	1078	if (below)
1105	op->below->above = op->above;	1079	below->above = above;
1106	else	1080	else
1107	{	1081	{
1108	/* 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
1109	* use translated coordinates in case some oddness with map tiling is	1083	* use translated coordinates in case some oddness with map tiling is
1110	* evident	1084	* evident
1111	*/	1085	*/
1112	if (GET_MAP_OB (m, x, y) != op)	1086	if (GET_MAP_OB (map, x, y) != this)
1113	{
1114	char *dump = dump_object (op);
1115	LOG (llevError,
1116	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);	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 ());
1117	free (dump);	1088
1118	dump = dump_object (GET_MAP_OB (m, x, y));	1089	ms.bot = above; /* goes on above it. */
1119	LOG (llevError, "%s\n", dump);
1120	free (dump);
1121	}	1090	}
1122		1091
1123	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1124	}
1125
1126	op->above = 0;	1092	above = 0;
1127	op->below = 0;	1093	below = 0;
1128		1094
1129	if (op->map->in_memory == MAP_SAVING)	1095	if (map->in_memory == MAP_SAVING)
1130	return;	1096	return;
1131		1097
1132	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);	1098	int check_walk_off = !flag [FLAG_NO_APPLY];
1133		1099
1134	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)
1135	{	1113	{
1136	/* 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
1137	* being removed.	1115	* being removed.
1138	*/	1116	*/
1139		1117
1140	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))
1141	{	1122	{
1142	/* If a container that the player is currently using somehow gets
1143	* removed (most likely destroyed), update the player view
1144	* appropriately.
1145	*/
1146	if (tmp->container == op)
1147	{
1148	CLEAR_FLAG (op, FLAG_APPLIED);
1149	tmp->container = NULL;
1150	}
1151
1152	tmp->contr->socket.update_look = 1;
1153	}
1154
1155	/* See if player moving off should effect something */
1156	if (check_walk_off
1157	&& ((op->move_type & tmp->move_off)
1158	&& (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1159	{
1160	move_apply (tmp, op, NULL);	1123	move_apply (tmp, this, 0);
1161		1124
1162	if (op->destroyed ())	1125	if (destroyed ())
1163	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1126	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1164	}	1127	}
1165		1128
1166	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1167
1168	if (tmp->above == tmp)
1169	tmp->above = NULL;
1170
1171	last = tmp;	1129	last = tmp;
1172	}	1130	}
1173		1131
1174	/* 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?
1175	if (last == NULL)	1134	if (!last)
1176	{	1135	map->at (x, y).flags_ = 0;
1177	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1178	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1179	* those out anyways, and if there are any flags set right now, they won't
1180	* be correct anyways.
1181	*/
1182	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1183	update_position (op->map, op->x, op->y);
1184	}
1185	else	1136	else
1186	update_object (last, UP_OBJ_REMOVE);	1137	update_object (last, UP_OBJ_REMOVE);
1187		1138
1188	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1139	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1189	update_all_los (op->map, op->x, op->y);	1140	update_all_los (map, x, y);
1190	}	1141	}
1191	}	1142	}
1192		1143
1193	/*	1144	/*
1194	* merge_ob(op,top):	1145	* merge_ob(op,top):
…		…
1202	merge_ob (object *op, object *top)	1153	merge_ob (object *op, object *top)
1203	{	1154	{
1204	if (!op->nrof)	1155	if (!op->nrof)
1205	return 0;	1156	return 0;
1206		1157
1207	if (top == NULL)	1158	if (!top)
1208	for (top = op; top != NULL && top->above != NULL; top = top->above);	1159	for (top = op; top && top->above; top = top->above)
		1160	;
1209		1161
1210	for (; top != NULL; top = top->below)	1162	for (; top; top = top->below)
1211	{	1163	{
1212	if (top == op)	1164	if (top == op)
1213	continue;	1165	continue;
1214	if (CAN_MERGE (op, top))	1166
		1167	if (object::can_merge (op, top))
1215	{	1168	{
1216	top->nrof += op->nrof;	1169	top->nrof += op->nrof;
1217		1170
1218	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1171	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1219	op->weight = 0; /* Don't want any adjustements now */	1172	op->weight = 0; /* Don't want any adjustements now */
1220	remove_ob (op);	1173	op->destroy ();
1221	free_object (op);
1222	return top;	1174	return top;
1223	}	1175	}
1224	}	1176	}
1225		1177
1226	return 0;	1178	return 0;
1227	}	1179	}
1228		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
1229	/*	1204	/*
1230	* 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
1231	* job preparing multi-part monsters	1206	* job preparing multi-part monsters.
1232	*/	1207	*/
1233	object *	1208	object *
1234	insert_ob_in_map_at (object *op, maptile *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)
1235	{	1210	{
1236	object *tmp;
1237
1238	if (op->head)
1239	op = op->head;
1240
1241	for (tmp = op; tmp; tmp = tmp->more)	1211	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1242	{	1212	{
1243	tmp->x = x + tmp->arch->clone.x;	1213	tmp->x = x + tmp->arch->x;
1244	tmp->y = y + tmp->arch->clone.y;	1214	tmp->y = y + tmp->arch->y;
1245	}	1215	}
1246		1216
1247	return insert_ob_in_map (op, m, originator, flag);	1217	return insert_ob_in_map (op, m, originator, flag);
1248	}	1218	}
1249		1219
…		…
1265	* Return value:	1235	* Return value:
1266	* new object if 'op' was merged with other object	1236	* new object if 'op' was merged with other object
1267	* NULL if 'op' was destroyed	1237	* NULL if 'op' was destroyed
1268	* just 'op' otherwise	1238	* just 'op' otherwise
1269	*/	1239	*/
1270
1271	object *	1240	object *
1272	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1241	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1273	{	1242	{
		1243	assert (!op->flag [FLAG_FREED]);
		1244
1274	object *tmp, *top, *floor = NULL;	1245	object *top, *floor = NULL;
1275	sint16 x, y;
1276		1246
1277	if (QUERY_FLAG (op, FLAG_FREED))	1247	op->remove ();
1278	{
1279	LOG (llevError, "Trying to insert freed object!\n");
1280	return NULL;
1281	}
1282
1283	if (m == NULL)
1284	{
1285	char *dump = dump_object (op);
1286	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1287	free (dump);
1288	return op;
1289	}
1290
1291	if (out_of_map (m, op->x, op->y))
1292	{
1293	char *dump = dump_object (op);
1294	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1295	#ifdef MANY_CORES
1296	/* Better to catch this here, as otherwise the next use of this object
1297	* is likely to cause a crash. Better to find out where it is getting
1298	* improperly inserted.
1299	*/
1300	abort ();
1301	#endif
1302	free (dump);
1303	return op;
1304	}
1305
1306	if (!QUERY_FLAG (op, FLAG_REMOVED))
1307	{
1308	char *dump = dump_object (op);
1309	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1310	free (dump);
1311	return op;
1312	}
1313
1314	if (op->more != NULL)
1315	{
1316	/* The part may be on a different map. */
1317
1318	object *more = op->more;
1319
1320	/* We really need the caller to normalize coordinates - if
1321	* we set the map, that doesn't work if the location is within
1322	* a map and this is straddling an edge. So only if coordinate
1323	* is clear wrong do we normalize it.
1324	*/
1325	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1326	more->map = get_map_from_coord (m, &more->x, &more->y);
1327	else if (!more->map)
1328	{
1329	/* For backwards compatibility - when not dealing with tiled maps,
1330	* more->map should always point to the parent.
1331	*/
1332	more->map = m;
1333	}
1334
1335	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1336	{
1337	if (!op->head)
1338	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1339
1340	return NULL;
1341	}
1342	}
1343
1344	CLEAR_FLAG (op, FLAG_REMOVED);
1345		1248
1346	/* Ideally, the caller figures this out. However, it complicates a lot	1249	/* Ideally, the caller figures this out. However, it complicates a lot
1347	* 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
1348	* need extra work	1251	* need extra work
1349	*/	1252	*/
1350	op->map = get_map_from_coord (m, &op->x, &op->y);	1253	if (!xy_normalise (m, op->x, op->y))
1351	x = op->x;	1254	{
1352	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 ();
1353		1267
1354	/* this has to be done after we translate the coordinates.	1268	/* this has to be done after we translate the coordinates.
1355	*/	1269	*/
1356	if (op->nrof && !(flag & INS_NO_MERGE))	1270	if (op->nrof && !(flag & INS_NO_MERGE))
1357	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1271	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1358	if (CAN_MERGE (op, tmp))	1272	if (object::can_merge (op, tmp))
1359	{	1273	{
1360	op->nrof += tmp->nrof;	1274	op->nrof += tmp->nrof;
1361	remove_ob (tmp);	1275	tmp->destroy ();
1362	free_object (tmp);
1363	}	1276	}
1364		1277
1365	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 */
1366	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1279	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1367		1280
…		…
1380	op->below = originator->below;	1293	op->below = originator->below;
1381		1294
1382	if (op->below)	1295	if (op->below)
1383	op->below->above = op;	1296	op->below->above = op;
1384	else	1297	else
1385	SET_MAP_OB (op->map, op->x, op->y, op);	1298	ms.bot = op;
1386		1299
1387	/* since *below* originator, no need to update top */	1300	/* since *below* originator, no need to update top */
1388	originator->below = op;	1301	originator->below = op;
1389	}	1302	}
1390	else	1303	else
1391	{	1304	{
		1305	top = ms.bot;
		1306
1392	/* If there are other objects, then */	1307	/* If there are other objects, then */
1393	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1308	if (top)
1394	{	1309	{
1395	object *last = NULL;	1310	object *last = 0;
1396		1311
1397	/*	1312	/*
1398	* 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.
1399	* We've already dealt with merging if appropriate.	1314	* We've already dealt with merging if appropriate.
1400	* 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
…		…
1404	* 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
1405	* 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
1406	* 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
1407	* that flying non pickable objects are spell objects.	1322	* that flying non pickable objects are spell objects.
1408	*/	1323	*/
1409		1324	for (top = ms.bot; top; top = top->above)
1410	while (top != NULL)
1411	{	1325	{
1412	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))
1413	floor = top;	1327	floor = top;
1414		1328
1415	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))
…		…
1418	top = top->below;	1332	top = top->below;
1419	break;	1333	break;
1420	}	1334	}
1421		1335
1422	last = top;	1336	last = top;
1423	top = top->above;
1424	}	1337	}
1425		1338
1426	/* 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 */
1427	top = last;	1340	top = last;
1428		1341
…		…
1430	* looks like instead of lots of conditions here.	1343	* looks like instead of lots of conditions here.
1431	* makes things faster, and effectively the same result.	1344	* makes things faster, and effectively the same result.
1432	*/	1345	*/
1433		1346
1434	/* Have object 'fall below' other objects that block view.	1347	/* Have object 'fall below' other objects that block view.
1435	* Unless those objects are exits, type 66	1348	* Unless those objects are exits.
1436	* If INS_ON_TOP is used, don't do this processing	1349	* If INS_ON_TOP is used, don't do this processing
1437	* Need to find the object that in fact blocks view, otherwise	1350	* Need to find the object that in fact blocks view, otherwise
1438	* stacking is a bit odd.	1351	* stacking is a bit odd.
1439	*/	1352	*/
1440	if (!(flag & INS_ON_TOP) &&	1353	if (!(flag & INS_ON_TOP)
1441	(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))
1442	{	1356	{
1443	for (last = top; last != floor; last = last->below)	1357	for (last = top; last != floor; last = last->below)
1444	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1358	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1445	break;	1359	break;
		1360
1446	/* Check to see if we found the object that blocks view,	1361	/* Check to see if we found the object that blocks view,
1447	* 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
1448	* we can get inserted below this one, which requires we	1363	* we can get inserted below this one, which requires we
1449	* set top to the object below us.	1364	* set top to the object below us.
1450	*/	1365	*/
1451	if (last && last->below && last != floor)	1366	if (last && last->below && last != floor)
1452	top = last->below;	1367	top = last->below;
1453	}	1368	}
1454	} /* If objects on this space */	1369	} /* If objects on this space */
1455		1370
1456	if (flag & INS_MAP_LOAD)
1457	top = GET_MAP_TOP (op->map, op->x, op->y);
1458
1459	if (flag & INS_ABOVE_FLOOR_ONLY)	1371	if (flag & INS_ABOVE_FLOOR_ONLY)
1460	top = floor;	1372	top = floor;
1461		1373
1462	/* 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.
1463	*/	1375	*/
1464		1376
1465	/* First object on this space */	1377	/* First object on this space */
1466	if (!top)	1378	if (!top)
1467	{	1379	{
1468	op->above = GET_MAP_OB (op->map, op->x, op->y);	1380	op->above = ms.bot;
1469		1381
1470	if (op->above)	1382	if (op->above)
1471	op->above->below = op;	1383	op->above->below = op;
1472		1384
1473	op->below = NULL;	1385	op->below = 0;
1474	SET_MAP_OB (op->map, op->x, op->y, op);	1386	ms.bot = op;
1475	}	1387	}
1476	else	1388	else
1477	{ /* get inserted into the stack above top */	1389	{ /* get inserted into the stack above top */
1478	op->above = top->above;	1390	op->above = top->above;
1479		1391
…		…
1482		1394
1483	op->below = top;	1395	op->below = top;
1484	top->above = op;	1396	top->above = op;
1485	}	1397	}
1486		1398
1487	if (op->above == NULL)	1399	if (!op->above)
1488	SET_MAP_TOP (op->map, op->x, op->y, op);	1400	ms.top = op;
1489	} /* else not INS_BELOW_ORIGINATOR */	1401	} /* else not INS_BELOW_ORIGINATOR */
1490		1402
1491	if (op->type == PLAYER)	1403	if (op->type == PLAYER)
		1404	{
1492	op->contr->do_los = 1;	1405	op->contr->do_los = 1;
		1406	++op->map->players;
		1407	op->map->touch ();
		1408	}
1493		1409
1494	/* If we have a floor, we know the player, if any, will be above	1410	op->map->dirty = true;
1495	* it, so save a few ticks and start from there.	1411
1496	*/	1412	if (object *pl = ms.player ())
1497	if (!(flag & INS_MAP_LOAD))	1413	pl->contr->ns->floorbox_update ();
1498	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1499	if (tmp->type == PLAYER)
1500	tmp->contr->socket.update_look = 1;
1501		1414
1502	/* If this object glows, it may affect lighting conditions that are	1415	/* If this object glows, it may affect lighting conditions that are
1503	* 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
1504	* 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
1505	* on the map will get recalculated. The players could very well	1418	* on the map will get recalculated. The players could very well
1506	* 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 -
1507	* this should get redone to only look for players within range,	1420	* this should get redone to only look for players within range,
1508	* or just updating the P_NEED_UPDATE for spaces within this area	1421	* or just updating the P_UPTODATE for spaces within this area
1509	* of effect may be sufficient.	1422	* of effect may be sufficient.
1510	*/	1423	*/
1511	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1424	if (op->map->darkness && (op->glow_radius != 0))
1512	update_all_los (op->map, op->x, op->y);	1425	update_all_los (op->map, op->x, op->y);
1513		1426
1514	/* updates flags (blocked, alive, no magic, etc) for this map space */	1427	/* updates flags (blocked, alive, no magic, etc) for this map space */
1515	update_object (op, UP_OBJ_INSERT);	1428	update_object (op, UP_OBJ_INSERT);
1516		1429
		1430	INVOKE_OBJECT (INSERT, op);
		1431
1517	/* 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,
1518	* we want to have update_look set above before calling this.	1433	* we want to have floorbox_update called before calling this.
1519	*	1434	*
1520	* check_move_on() must be after this because code called from	1435	* check_move_on() must be after this because code called from
1521	* check_move_on() depends on correct map flags (so functions like	1436	* check_move_on() depends on correct map flags (so functions like
1522	* blocked() and wall() work properly), and these flags are updated by	1437	* blocked() and wall() work properly), and these flags are updated by
1523	* update_object().	1438	* update_object().
1524	*/	1439	*/
1525		1440
1526	/* 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 */
1527	if (!(flag & INS_NO_WALK_ON) && !op->head)	1442	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1528	{	1443	{
1529	if (check_move_on (op, originator))	1444	if (check_move_on (op, originator))
1530	return NULL;	1445	return 0;
1531		1446
1532	/* 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
1533	* walk on's.	1448	* walk on's.
1534	*/	1449	*/
1535	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1450	for (object *tmp = op->more; tmp; tmp = tmp->more)
1536	if (check_move_on (tmp, originator))	1451	if (check_move_on (tmp, originator))
1537	return NULL;	1452	return 0;
1538	}	1453	}
1539		1454
1540	return op;	1455	return op;
1541	}	1456	}
1542		1457
1543	/* this function inserts an object in the map, but if it	1458	/* this function inserts an object in the map, but if it
1544	* 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.
1545	* 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.
1546	*/	1461	*/
1547	void	1462	void
1548	replace_insert_ob_in_map (const char *arch_string, object *op)	1463	replace_insert_ob_in_map (const char *arch_string, object *op)
1549	{	1464	{
1550	object *	1465	object *tmp, *tmp1;
1551	tmp;
1552	object *
1553	tmp1;
1554		1466
1555	/* first search for itself and remove any old instances */	1467	/* first search for itself and remove any old instances */
1556		1468
1557	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)
1558	{
1559	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1470	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1560	{	1471	tmp->destroy ();
1561	remove_ob (tmp);
1562	free_object (tmp);
1563	}
1564	}
1565		1472
1566	tmp1 = arch_to_object (archetype::find (arch_string));	1473	tmp1 = arch_to_object (archetype::find (arch_string));
1567		1474
1568	tmp1->x = op->x;	1475	tmp1->x = op->x;
1569	tmp1->y = op->y;	1476	tmp1->y = op->y;
1570	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);
1571	}	1487	}
1572		1488
1573	/*	1489	/*
1574	* 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
1575	* is returned contains nr objects, and the remaining parts contains	1491	* is returned contains nr objects, and the remaining parts contains
1576	* 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).
1577	* On failure, NULL is returned, and the reason put into the	1493	* On failure, NULL is returned, and the reason put into the
1578	* global static errmsg array.	1494	* global static errmsg array.
1579	*/	1495	*/
1580
1581	object *	1496	object *
1582	get_split_ob (object *orig_ob, uint32 nr)	1497	get_split_ob (object *orig_ob, uint32 nr)
1583	{	1498	{
1584	object *	1499	object *newob;
1585	newob;
1586	int
1587	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1500	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1588		1501
1589	if (orig_ob->nrof < nr)	1502	if (orig_ob->nrof < nr)
1590	{	1503	{
1591	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);
1592	return NULL;	1505	return NULL;
1593	}	1506	}
1594		1507
1595	newob = object_create_clone (orig_ob);	1508	newob = object_create_clone (orig_ob);
1596		1509
1597	if ((orig_ob->nrof -= nr) < 1)	1510	if ((orig_ob->nrof -= nr) < 1)
1598	{	1511	orig_ob->destroy (1);
1599	if (!is_removed)
1600	remove_ob (orig_ob);
1601	free_object2 (orig_ob, 1);
1602	}
1603	else if (!is_removed)	1512	else if (!is_removed)
1604	{	1513	{
1605	if (orig_ob->env != NULL)	1514	if (orig_ob->env != NULL)
1606	sub_weight (orig_ob->env, orig_ob->weight * nr);	1515	sub_weight (orig_ob->env, orig_ob->weight * nr);
1607	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)
1608	{	1517	{
1609	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.");
1610	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");
1611	return NULL;	1520	return NULL;
1612	}	1521	}
…		…
1622	* 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
1623	* is subsequently removed and freed.	1532	* is subsequently removed and freed.
1624	*	1533	*
1625	* 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
1626	*/	1535	*/
1627
1628	object *	1536	object *
1629	decrease_ob_nr (object *op, uint32 i)	1537	decrease_ob_nr (object *op, uint32 i)
1630	{	1538	{
1631	object *tmp;	1539	object *tmp;
1632	player *pl;
1633		1540
1634	if (i == 0) /* objects with op->nrof require this check */	1541	if (i == 0) /* objects with op->nrof require this check */
1635	return op;	1542	return op;
1636		1543
1637	if (i > op->nrof)	1544	if (i > op->nrof)
1638	i = op->nrof;	1545	i = op->nrof;
1639		1546
1640	if (QUERY_FLAG (op, FLAG_REMOVED))	1547	if (QUERY_FLAG (op, FLAG_REMOVED))
1641	op->nrof -= i;	1548	op->nrof -= i;
1642	else if (op->env != NULL)	1549	else if (op->env)
1643	{	1550	{
1644	/* is this object in the players inventory, or sub container	1551	/* is this object in the players inventory, or sub container
1645	* therein?	1552	* therein?
1646	*/	1553	*/
1647	tmp = is_player_inv (op->env);	1554	tmp = op->in_player ();
1648	/* nope. Is this a container the player has opened?	1555	/* nope. Is this a container the player has opened?
1649	* If so, set tmp to that player.	1556	* If so, set tmp to that player.
1650	* IMO, searching through all the players will mostly	1557	* IMO, searching through all the players will mostly
1651	* likely be quicker than following op->env to the map,	1558	* likely be quicker than following op->env to the map,
1652	* and then searching the map for a player.	1559	* and then searching the map for a player.
1653	*/	1560	*/
1654	if (!tmp)	1561	if (!tmp)
1655	{	1562	for_all_players (pl)
1656	for (pl = first_player; pl; pl = pl->next)
1657	if (pl->ob->container == op->env)	1563	if (pl->ob->container == op->env)
		1564	{
		1565	tmp = pl->ob;
1658	break;	1566	break;
1659	if (pl)
1660	tmp = pl->ob;
1661	else
1662	tmp = NULL;
1663	}	1567	}
1664		1568
1665	if (i < op->nrof)	1569	if (i < op->nrof)
1666	{	1570	{
1667	sub_weight (op->env, op->weight * i);	1571	sub_weight (op->env, op->weight * i);
1668	op->nrof -= i;	1572	op->nrof -= i;
1669	if (tmp)	1573	if (tmp)
1670	{
1671	esrv_send_item (tmp, op);	1574	esrv_send_item (tmp, op);
1672	}
1673	}	1575	}
1674	else	1576	else
1675	{	1577	{
1676	remove_ob (op);	1578	op->remove ();
1677	op->nrof = 0;	1579	op->nrof = 0;
1678	if (tmp)	1580	if (tmp)
1679	{
1680	esrv_del_item (tmp->contr, op->count);	1581	esrv_del_item (tmp->contr, op->count);
1681	}
1682	}	1582	}
1683	}	1583	}
1684	else	1584	else
1685	{	1585	{
1686	object *above = op->above;	1586	object *above = op->above;
1687		1587
1688	if (i < op->nrof)	1588	if (i < op->nrof)
1689	op->nrof -= i;	1589	op->nrof -= i;
1690	else	1590	else
1691	{	1591	{
1692	remove_ob (op);	1592	op->remove ();
1693	op->nrof = 0;	1593	op->nrof = 0;
1694	}	1594	}
1695		1595
1696	/* Since we just removed op, op->above is null */	1596	/* Since we just removed op, op->above is null */
1697	for (tmp = above; tmp != NULL; tmp = tmp->above)	1597	for (tmp = above; tmp; tmp = tmp->above)
1698	if (tmp->type == PLAYER)	1598	if (tmp->type == PLAYER)
1699	{	1599	{
1700	if (op->nrof)	1600	if (op->nrof)
1701	esrv_send_item (tmp, op);	1601	esrv_send_item (tmp, op);
1702	else	1602	else
…		…
1706		1606
1707	if (op->nrof)	1607	if (op->nrof)
1708	return op;	1608	return op;
1709	else	1609	else
1710	{	1610	{
1711	free_object (op);	1611	op->destroy ();
1712	return NULL;	1612	return 0;
1713	}
1714	}
1715
1716	/*
1717	* add_weight(object, weight) adds the specified weight to an object,
1718	* and also updates how much the environment(s) is/are carrying.
1719	*/
1720
1721	void
1722	add_weight (object *op, signed long weight)
1723	{
1724	while (op != NULL)
1725	{	1613	}
1726	if (op->type == CONTAINER)
1727	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1728
1729	op->carrying += weight;
1730	op = op->env;
1731	}
1732	}	1614	}
1733
1734	/*
1735	* insert_ob_in_ob(op,environment):
1736	* This function inserts the object op in the linked list
1737	* inside the object environment.
1738	*
1739	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1740	* the inventory at the last position or next to other objects of the same
1741	* type.
1742	* Frank: Now sorted by type, archetype and magic!
1743	*
1744	* The function returns now pointer to inserted item, and return value can
1745	* be != op, if items are merged. -Tero
1746	*/
1747		1615
1748	object *	1616	object *
1749	insert_ob_in_ob (object *op, object *where)	1617	insert_ob_in_ob (object *op, object *where)
1750	{	1618	{
1751	object *	1619	if (!where)
1752	tmp, *
1753	otmp;
1754
1755	if (!QUERY_FLAG (op, FLAG_REMOVED))
1756	{
1757	char *dump = dump_object (op);
1758	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", dump);
1759	free (dump);
1760	return op;
1761	}
1762
1763	if (where == NULL)
1764	{	1620	{
1765	char *dump = dump_object (op);	1621	char *dump = dump_object (op);
1766	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1622	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1767	free (dump);	1623	free (dump);
1768	return op;	1624	return op;
1769	}	1625	}
1770		1626
1771	if (where->head)	1627	if (where->head_ () != where)
1772	{	1628	{
1773	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");	1629	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1774	where = where->head;	1630	where = where->head;
1775	}	1631	}
		1632
		1633	return where->insert (op);
		1634	}
		1635
		1636	/*
		1637	* env->insert (op)
		1638	* This function inserts the object op in the linked list
		1639	* inside the object environment.
		1640	*
		1641	* The function returns now pointer to inserted item, and return value can
		1642	* be != op, if items are merged. -Tero
		1643	*/
		1644	object *
		1645	object::insert (object *op)
		1646	{
		1647	if (!QUERY_FLAG (op, FLAG_REMOVED))
		1648	op->remove ();
1776		1649
1777	if (op->more)	1650	if (op->more)
1778	{	1651	{
1779	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);
1780	return op;	1653	return op;
1781	}	1654	}
1782		1655
1783	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1656	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1784	CLEAR_FLAG (op, FLAG_REMOVED);	1657	CLEAR_FLAG (op, FLAG_REMOVED);
		1658
1785	if (op->nrof)	1659	if (op->nrof)
1786	{	1660	{
1787	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1661	for (object *tmp = inv; tmp; tmp = tmp->below)
1788	if (CAN_MERGE (tmp, op))	1662	if (object::can_merge (tmp, op))
1789	{	1663	{
1790	/* return the original object and remove inserted object	1664	/* return the original object and remove inserted object
1791	(client needs the original object) */	1665	(client needs the original object) */
1792	tmp->nrof += op->nrof;	1666	tmp->nrof += op->nrof;
1793	/* Weight handling gets pretty funky. Since we are adding to	1667	/* Weight handling gets pretty funky. Since we are adding to
1794	* tmp->nrof, we need to increase the weight.	1668	* tmp->nrof, we need to increase the weight.
1795	*/	1669	*/
1796	add_weight (where, op->weight * op->nrof);	1670	add_weight (this, op->weight * op->nrof);
1797	SET_FLAG (op, FLAG_REMOVED);	1671	SET_FLAG (op, FLAG_REMOVED);
1798	free_object (op); /* free the inserted object */	1672	op->destroy (); /* free the inserted object */
1799	op = tmp;	1673	op = tmp;
1800	remove_ob (op); /* and fix old object's links */	1674	op->remove (); /* and fix old object's links */
1801	CLEAR_FLAG (op, FLAG_REMOVED);	1675	CLEAR_FLAG (op, FLAG_REMOVED);
1802	break;	1676	break;
1803	}	1677	}
1804		1678
1805	/* I assume combined objects have no inventory	1679	/* I assume combined objects have no inventory
1806	* We add the weight - this object could have just been removed	1680	* We add the weight - this object could have just been removed
1807	* (if it was possible to merge). calling remove_ob will subtract	1681	* (if it was possible to merge). calling remove_ob will subtract
1808	* 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
1809	* the linking below	1683	* the linking below
1810	*/	1684	*/
1811	add_weight (where, op->weight * op->nrof);	1685	add_weight (this, op->weight * op->nrof);
1812	}	1686	}
1813	else	1687	else
1814	add_weight (where, (op->weight + op->carrying));	1688	add_weight (this, (op->weight + op->carrying));
1815		1689
1816	otmp = is_player_inv (where);	1690	if (object *otmp = this->in_player ())
1817	if (otmp && otmp->contr != NULL)
1818	{
1819	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1691	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1820	fix_player (otmp);	1692	otmp->update_stats ();
1821	}
1822		1693
		1694	op->owner = 0; // its his/hers now. period.
1823	op->map = NULL;	1695	op->map = 0;
1824	op->env = where;	1696	op->env = this;
1825	op->above = NULL;	1697	op->above = 0;
1826	op->below = NULL;	1698	op->below = 0;
1827	op->x = 0, op->y = 0;	1699	op->x = op->y = 0;
1828		1700
1829	/* 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 */
1830	if ((op->glow_radius != 0) && where->map)	1702	if (op->glow_radius && map)
1831	{	1703	{
1832	#ifdef DEBUG_LIGHTS	1704	#ifdef DEBUG_LIGHTS
1833	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);
1834	#endif /* DEBUG_LIGHTS */	1706	#endif /* DEBUG_LIGHTS */
1835	if (MAP_DARKNESS (where->map))	1707	if (map->darkness)
1836	update_all_los (where->map, where->x, where->y);	1708	update_all_los (map, x, y);
1837	}	1709	}
1838		1710
1839	/* 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.
1840	* It sure simplifies this function...	1712	* It sure simplifies this function...
1841	*/	1713	*/
1842	if (where->inv == NULL)	1714	if (!inv)
1843	where->inv = op;	1715	inv = op;
1844	else	1716	else
1845	{	1717	{
1846	op->below = where->inv;	1718	op->below = inv;
1847	op->below->above = op;	1719	op->below->above = op;
1848	where->inv = op;	1720	inv = op;
1849	}	1721	}
		1722
		1723	INVOKE_OBJECT (INSERT, this);
		1724
1850	return op;	1725	return op;
1851	}	1726	}
1852		1727
1853	/*	1728	/*
1854	* Checks if any objects has a move_type that matches objects	1729	* Checks if any objects has a move_type that matches objects
…		…
1868	*	1743	*
1869	* 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
1870	* 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
1871	* on top.	1746	* on top.
1872	*/	1747	*/
1873
1874	int	1748	int
1875	check_move_on (object *op, object *originator)	1749	check_move_on (object *op, object *originator)
1876	{	1750	{
1877	object *tmp;	1751	object *tmp;
1878	maptile *m = op->map;	1752	maptile *m = op->map;
…		…
1905		1779
1906	/* The objects have to be checked from top to bottom.	1780	/* The objects have to be checked from top to bottom.
1907	* Hence, we first go to the top:	1781	* Hence, we first go to the top:
1908	*/	1782	*/
1909		1783
1910	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)
1911	{	1785	{
1912	/* Trim the search when we find the first other spell effect	1786	/* Trim the search when we find the first other spell effect
1913	* 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,
1914	* we don't need to check all of them.	1788	* we don't need to check all of them.
1915	*/	1789	*/
…		…
1933	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1807	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1934	((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))
1935	{	1809	{
1936		1810
1937	float	1811	float
1938	diff = tmp->move_slow_penalty * FABS (op->speed);	1812	diff = tmp->move_slow_penalty * fabs (op->speed);
1939		1813
1940	if (op->type == PLAYER)	1814	if (op->type == PLAYER)
1941	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)) ||
1942	(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)))
1943	diff /= 4.0;	1817	diff /= 4.0;
…		…
1970	/*	1844	/*
1971	* present_arch(arch, map, x, y) searches for any objects with	1845	* present_arch(arch, map, x, y) searches for any objects with
1972	* a matching archetype at the given map and coordinates.	1846	* a matching archetype at the given map and coordinates.
1973	* The first matching object is returned, or NULL if none.	1847	* The first matching object is returned, or NULL if none.
1974	*/	1848	*/
1975
1976	object *	1849	object *
1977	present_arch (const archetype *at, maptile *m, int x, int y)	1850	present_arch (const archetype *at, maptile *m, int x, int y)
1978	{	1851	{
1979	object *
1980	tmp;
1981
1982	if (m == NULL || out_of_map (m, x, y))	1852	if (!m || out_of_map (m, x, y))
1983	{	1853	{
1984	LOG (llevError, "Present_arch called outside map.\n");	1854	LOG (llevError, "Present_arch called outside map.\n");
1985	return NULL;	1855	return NULL;
1986	}	1856	}
1987	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)
1988	if (tmp->arch == at)	1859	if (tmp->arch == at)
1989	return tmp;	1860	return tmp;
		1861
1990	return NULL;	1862	return NULL;
1991	}	1863	}
1992		1864
1993	/*	1865	/*
1994	* present(type, map, x, y) searches for any objects with	1866	* present(type, map, x, y) searches for any objects with
1995	* a matching type variable at the given map and coordinates.	1867	* a matching type variable at the given map and coordinates.
1996	* The first matching object is returned, or NULL if none.	1868	* The first matching object is returned, or NULL if none.
1997	*/	1869	*/
1998
1999	object *	1870	object *
2000	present (unsigned char type, maptile *m, int x, int y)	1871	present (unsigned char type, maptile *m, int x, int y)
2001	{	1872	{
2002	object *
2003	tmp;
2004
2005	if (out_of_map (m, x, y))	1873	if (out_of_map (m, x, y))
2006	{	1874	{
2007	LOG (llevError, "Present called outside map.\n");	1875	LOG (llevError, "Present called outside map.\n");
2008	return NULL;	1876	return NULL;
2009	}	1877	}
2010	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)
2011	if (tmp->type == type)	1880	if (tmp->type == type)
2012	return tmp;	1881	return tmp;
		1882
2013	return NULL;	1883	return NULL;
2014	}	1884	}
2015		1885
2016	/*	1886	/*
2017	* present_in_ob(type, object) searches for any objects with	1887	* present_in_ob(type, object) searches for any objects with
2018	* a matching type variable in the inventory of the given object.	1888	* a matching type variable in the inventory of the given object.
2019	* The first matching object is returned, or NULL if none.	1889	* The first matching object is returned, or NULL if none.
2020	*/	1890	*/
2021
2022	object *	1891	object *
2023	present_in_ob (unsigned char type, const object *op)	1892	present_in_ob (unsigned char type, const object *op)
2024	{	1893	{
2025	object *
2026	tmp;
2027
2028	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1894	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2029	if (tmp->type == type)	1895	if (tmp->type == type)
2030	return tmp;	1896	return tmp;
		1897
2031	return NULL;	1898	return NULL;
2032	}	1899	}
2033		1900
2034	/*	1901	/*
2035	* present_in_ob (type, str, object) searches for any objects with	1902	* present_in_ob (type, str, object) searches for any objects with
…		…
2043	* 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
2044	* 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
2045	* 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
2046	* to be unique.	1913	* to be unique.
2047	*/	1914	*/
2048
2049	object *	1915	object *
2050	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)
2051	{	1917	{
2052	object *
2053	tmp;
2054
2055	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1918	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2056	{
2057	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1919	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2058	return tmp;	1920	return tmp;
2059	}	1921
2060	return NULL;	1922	return 0;
2061	}	1923	}
2062		1924
2063	/*	1925	/*
2064	* present_arch_in_ob(archetype, object) searches for any objects with	1926	* present_arch_in_ob(archetype, object) searches for any objects with
2065	* a matching archetype in the inventory of the given object.	1927	* a matching archetype in the inventory of the given object.
2066	* The first matching object is returned, or NULL if none.	1928	* The first matching object is returned, or NULL if none.
2067	*/	1929	*/
2068
2069	object *	1930	object *
2070	present_arch_in_ob (const archetype *at, const object *op)	1931	present_arch_in_ob (const archetype *at, const object *op)
2071	{	1932	{
2072	object *
2073	tmp;
2074
2075	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1933	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2076	if (tmp->arch == at)	1934	if (tmp->arch == at)
2077	return tmp;	1935	return tmp;
		1936
2078	return NULL;	1937	return NULL;
2079	}	1938	}
2080		1939
2081	/*	1940	/*
2082	* activate recursively a flag on an object inventory	1941	* activate recursively a flag on an object inventory
2083	*/	1942	*/
2084	void	1943	void
2085	flag_inv (object *op, int flag)	1944	flag_inv (object *op, int flag)
2086	{	1945	{
2087	object *
2088	tmp;
2089
2090	if (op->inv)
2091	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1946	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2092	{	1947	{
2093	SET_FLAG (tmp, flag);	1948	SET_FLAG (tmp, flag);
2094	flag_inv (tmp, flag);	1949	flag_inv (tmp, flag);
2095	}	1950	}
2096	} /*	1951	}
		1952
		1953	/*
2097	* desactivate recursively a flag on an object inventory	1954	* deactivate recursively a flag on an object inventory
2098	*/	1955	*/
2099	void	1956	void
2100	unflag_inv (object *op, int flag)	1957	unflag_inv (object *op, int flag)
2101	{	1958	{
2102	object *
2103	tmp;
2104
2105	if (op->inv)
2106	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1959	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2107	{	1960	{
2108	CLEAR_FLAG (tmp, flag);	1961	CLEAR_FLAG (tmp, flag);
2109	unflag_inv (tmp, flag);	1962	unflag_inv (tmp, flag);
2110	}	1963	}
2111	}
2112
2113	/*
2114	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2115	* all it's inventory (recursively).
2116	* If checksums are used, a player will get set_cheat called for
2117	* him/her-self and all object carried by a call to this function.
2118	*/
2119
2120	void
2121	set_cheat (object *op)
2122	{
2123	SET_FLAG (op, FLAG_WAS_WIZ);
2124	flag_inv (op, FLAG_WAS_WIZ);
2125	}	1964	}
2126		1965
2127	/*	1966	/*
2128	* 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
2129	* 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
…		…
2131	* to search (see the freearr_x/y[] definition).	1970	* to search (see the freearr_x/y[] definition).
2132	* It returns a random choice among the alternatives found.	1971	* It returns a random choice among the alternatives found.
2133	* 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
2134	* does all 4 immediate directions). This returns the index into the	1973	* does all 4 immediate directions). This returns the index into the
2135	* 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)
2136	* Note - this only checks to see if there is space for the head of the
2137	* object - if it is a multispace object, this should be called for all
2138	* pieces.
2139	* Note2: This function does correctly handle tiled maps, but does not	1975	* Note: This function does correctly handle tiled maps, but does not
2140	* inform the caller. However, insert_ob_in_map will update as	1976	* inform the caller. However, insert_ob_in_map will update as
2141	* 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.
2142	* 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
2143	* 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
2144	* 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
2145	* 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
2146	* customized, changed states, etc.	1982	* customized, changed states, etc.
2147	*/	1983	*/
2148
2149	int	1984	int
2150	find_free_spot (const object *ob, maptile *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)
2151	{	1986	{
2152	int
2153	i,
2154	index = 0, flag;
2155	static int
2156	altern[SIZEOFFREE];	1987	int altern[SIZEOFFREE];
		1988	int index = 0, flag;
2157		1989
2158	for (i = start; i < stop; i++)	1990	for (int i = start; i < stop; i++)
2159	{	1991	{
2160	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1992	mapxy pos (m, x, y); pos.move (i);
2161	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	{
2162	altern[index++] = i;	2008	altern [index++] = i;
		2009	continue;
		2010	}
2163		2011
2164	/* 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.
2165	* 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.
2166	* 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 -
2167	* 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
2168	* 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
2169	* to only the spaces immediately surrounding the target area, and	2017	* to only the spaces immediately surrounding the target area, and
2170	* won't look 2 spaces south of the target space.	2018	* won't look 2 spaces south of the target space.
2171	*/	2019	*/
2172	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2020	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2021	{
2173	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;
2174	}	2036	}
		2037
2175	if (!index)	2038	if (!index)
2176	return -1;	2039	return -1;
		2040
2177	return altern[RANDOM () % index];	2041	return altern [rndm (index)];
2178	}	2042	}
2179		2043
2180	/*	2044	/*
2181	* find_first_free_spot(archetype, maptile, x, y) works like	2045	* find_first_free_spot(archetype, maptile, x, y) works like
2182	* find_free_spot(), but it will search max number of squares.	2046	* find_free_spot(), but it will search max number of squares.
2183	* 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.
2184	* 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.
2185	*/	2049	*/
2186
2187	int	2050	int
2188	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2051	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2189	{	2052	{
2190	int
2191	i;
2192
2193	for (i = 0; i < SIZEOFFREE; i++)	2053	for (int i = 0; i < SIZEOFFREE; i++)
2194	{
2195	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]))
2196	return i;	2055	return i;
2197	}	2056
2198	return -1;	2057	return -1;
2199	}	2058	}
2200		2059
2201	/*	2060	/*
2202	* The function permute(arr, begin, end) randomly reorders the array	2061	* The function permute(arr, begin, end) randomly reorders the array
2203	* arr[begin..end-1].	2062	* arr[begin..end-1].
		2063	* now uses a fisher-yates shuffle, old permute was broken
2204	*/	2064	*/
2205	static void	2065	static void
2206	permute (int *arr, int begin, int end)	2066	permute (int *arr, int begin, int end)
2207	{	2067	{
2208	int	2068	arr += begin;
2209	i,
2210	j,
2211	tmp,
2212	len;
2213
2214	len = end - begin;	2069	end -= begin;
2215	for (i = begin; i < end; i++)
2216	{
2217	j = begin + RANDOM () % len;
2218		2070
2219	tmp = arr[i];	2071	while (--end)
2220	arr[i] = arr[j];	2072	swap (arr [end], arr [rndm (end + 1)]);
2221	arr[j] = tmp;
2222	}
2223	}	2073	}
2224		2074
2225	/* new function to make monster searching more efficient, and effective!	2075	/* new function to make monster searching more efficient, and effective!
2226	* This basically returns a randomized array (in the passed pointer) of	2076	* This basically returns a randomized array (in the passed pointer) of
2227	* 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
…		…
2230	* 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.
2231	*/	2081	*/
2232	void	2082	void
2233	get_search_arr (int *search_arr)	2083	get_search_arr (int *search_arr)
2234	{	2084	{
2235	int	2085	int i;
2236	i;
2237		2086
2238	for (i = 0; i < SIZEOFFREE; i++)	2087	for (i = 0; i < SIZEOFFREE; i++)
2239	{
2240	search_arr[i] = i;	2088	search_arr[i] = i;
2241	}
2242		2089
2243	permute (search_arr, 1, SIZEOFFREE1 + 1);	2090	permute (search_arr, 1, SIZEOFFREE1 + 1);
2244	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2091	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2245	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2092	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2246	}	2093	}
…		…
2255	* Perhaps incorrectly, but I'm making the assumption that exclude	2102	* Perhaps incorrectly, but I'm making the assumption that exclude
2256	* 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
2257	* 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
2258	* there is capable of.	2105	* there is capable of.
2259	*/	2106	*/
2260
2261	int	2107	int
2262	find_dir (maptile *m, int x, int y, object *exclude)	2108	find_dir (maptile *m, int x, int y, object *exclude)
2263	{	2109	{
2264	int
2265	i,
2266	max = SIZEOFFREE, mflags;	2110	int i, max = SIZEOFFREE, mflags;
2267		2111
2268	sint16 nx, ny;	2112	sint16 nx, ny;
2269	object *	2113	object *tmp;
2270	tmp;
2271	maptile *	2114	maptile *mp;
2272	mp;
2273		2115
2274	MoveType blocked, move_type;	2116	MoveType blocked, move_type;
2275		2117
2276	if (exclude && exclude->head)	2118	if (exclude && exclude->head_ () != exclude)
2277	{	2119	{
2278	exclude = exclude->head;	2120	exclude = exclude->head;
2279	move_type = exclude->move_type;	2121	move_type = exclude->move_type;
2280	}	2122	}
2281	else	2123	else
…		…
2289	mp = m;	2131	mp = m;
2290	nx = x + freearr_x[i];	2132	nx = x + freearr_x[i];
2291	ny = y + freearr_y[i];	2133	ny = y + freearr_y[i];
2292		2134
2293	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2135	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2136
2294	if (mflags & P_OUT_OF_MAP)	2137	if (mflags & P_OUT_OF_MAP)
2295	{
2296	max = maxfree[i];	2138	max = maxfree[i];
2297	}
2298	else	2139	else
2299	{	2140	{
2300	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2141	mapspace &ms = mp->at (nx, ny);
		2142
		2143	blocked = ms.move_block;
2301		2144
2302	if ((move_type & blocked) == move_type)	2145	if ((move_type & blocked) == move_type)
2303	{
2304	max = maxfree[i];	2146	max = maxfree[i];
2305	}
2306	else if (mflags & P_IS_ALIVE)	2147	else if (mflags & P_IS_ALIVE)
2307	{	2148	{
2308	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2149	for (tmp = ms.bot; tmp; tmp = tmp->above)
2309	{	2150	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2310	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)))
2311	{
2312	break;	2152	break;
2313	}	2153
2314	}
2315	if (tmp)	2154	if (tmp)
2316	{
2317	return freedir[i];	2155	return freedir[i];
2318	}
2319	}	2156	}
2320	}	2157	}
2321	}	2158	}
		2159
2322	return 0;	2160	return 0;
2323	}	2161	}
2324		2162
2325	/*	2163	/*
2326	* distance(object 1, object 2) will return the square of the	2164	* distance(object 1, object 2) will return the square of the
2327	* distance between the two given objects.	2165	* distance between the two given objects.
2328	*/	2166	*/
2329
2330	int	2167	int
2331	distance (const object *ob1, const object *ob2)	2168	distance (const object *ob1, const object *ob2)
2332	{	2169	{
2333	int
2334	i;
2335
2336	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);
2337	return i;
2338	}	2171	}
2339		2172
2340	/*	2173	/*
2341	* 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
2342	* 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
2343	* object, needs to travel toward it.	2176	* object, needs to travel toward it.
2344	*/	2177	*/
2345
2346	int	2178	int
2347	find_dir_2 (int x, int y)	2179	find_dir_2 (int x, int y)
2348	{	2180	{
2349	int	2181	int q;
2350	q;
2351		2182
2352	if (y)	2183	if (y)
2353	q = x * 100 / y;	2184	q = x * 100 / y;
2354	else if (x)	2185	else if (x)
2355	q = -300 * x;	2186	q = -300 * x;
…		…
2380		2211
2381	return 3;	2212	return 3;
2382	}	2213	}
2383		2214
2384	/*	2215	/*
2385	* absdir(int): Returns a number between 1 and 8, which represent
2386	* the "absolute" direction of a number (it actually takes care of
2387	* "overflow" in previous calculations of a direction).
2388	*/
2389
2390	int
2391	absdir (int d)
2392	{
2393	while (d < 1)
2394	d += 8;
2395	while (d > 8)
2396	d -= 8;
2397	return d;
2398	}
2399
2400	/*
2401	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2216	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2402	* between two directions (which are expected to be absolute (see absdir())	2217	* between two directions (which are expected to be absolute (see absdir())
2403	*/	2218	*/
2404
2405	int	2219	int
2406	dirdiff (int dir1, int dir2)	2220	dirdiff (int dir1, int dir2)
2407	{	2221	{
2408	int	2222	int d;
2409	d;
2410		2223
2411	d = abs (dir1 - dir2);	2224	d = abs (dir1 - dir2);
2412	if (d > 4)	2225	if (d > 4)
2413	d = 8 - d;	2226	d = 8 - d;
		2227
2414	return d;	2228	return d;
2415	}	2229	}
2416		2230
2417	/* peterm:	2231	/* peterm:
2418	* 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.
…		…
2421	* 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
2422	* 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.
2423	* 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
2424	* functions.	2238	* functions.
2425	*/	2239	*/
2426
2427	int
2428	reduction_dir[SIZEOFFREE][3] = {	2240	int reduction_dir[SIZEOFFREE][3] = {
2429	{0, 0, 0}, /* 0 */	2241	{0, 0, 0}, /* 0 */
2430	{0, 0, 0}, /* 1 */	2242	{0, 0, 0}, /* 1 */
2431	{0, 0, 0}, /* 2 */	2243	{0, 0, 0}, /* 2 */
2432	{0, 0, 0}, /* 3 */	2244	{0, 0, 0}, /* 3 */
2433	{0, 0, 0}, /* 4 */	2245	{0, 0, 0}, /* 4 */
…		…
2481	* find a path to that monster that we found. If not,	2293	* find a path to that monster that we found. If not,
2482	* we don't bother going toward it. Returns 1 if we	2294	* we don't bother going toward it. Returns 1 if we
2483	* can see a direct way to get it	2295	* can see a direct way to get it
2484	* Modified to be map tile aware -.MSW	2296	* Modified to be map tile aware -.MSW
2485	*/	2297	*/
2486
2487
2488	int	2298	int
2489	can_see_monsterP (maptile *m, int x, int y, int dir)	2299	can_see_monsterP (maptile *m, int x, int y, int dir)
2490	{	2300	{
2491	sint16 dx, dy;	2301	sint16 dx, dy;
2492	int
2493	mflags;	2302	int mflags;
2494		2303
2495	if (dir < 0)	2304	if (dir < 0)
2496	return 0; /* exit condition: invalid direction */	2305	return 0; /* exit condition: invalid direction */
2497		2306
2498	dx = x + freearr_x[dir];	2307	dx = x + freearr_x[dir];
…		…
2511	return 0;	2320	return 0;
2512		2321
2513	/* yes, can see. */	2322	/* yes, can see. */
2514	if (dir < 9)	2323	if (dir < 9)
2515	return 1;	2324	return 1;
		2325
2516	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2326	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2517	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]);
2518	}	2329	}
2519
2520
2521		2330
2522	/*	2331	/*
2523	* 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
2524	* picked up by the picker. Returnes 1 if it can be	2333	* picked up by the picker. Returnes 1 if it can be
2525	* picked up, otherwise 0.	2334	* picked up, otherwise 0.
…		…
2527	* 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
2528	* core dumps if they do.	2337	* core dumps if they do.
2529	*	2338	*
2530	* 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)
2531	*/	2340	*/
2532
2533	int	2341	int
2534	can_pick (const object *who, const object *item)	2342	can_pick (const object *who, const object *item)
2535	{	2343	{
2536	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2344	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2537	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2345	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2538	!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));
2539	}	2347	}
2540		2348
2541
2542	/*	2349	/*
2543	* create clone from object to another	2350	* create clone from object to another
2544	*/	2351	*/
2545	object *	2352	object *
2546	object_create_clone (object *asrc)	2353	object_create_clone (object *asrc)
2547	{	2354	{
2548	object *
2549	dst = NULL, *tmp, *src, *part, *prev, *item;	2355	object *dst = 0, *tmp, *src, *prev, *item;
2550		2356
2551	if (!asrc)	2357	if (!asrc)
2552	return NULL;	2358	return 0;
2553	src = asrc;	2359
2554	if (src->head)
2555	src = src->head;	2360	src = asrc->head_ ();
2556		2361
2557	prev = NULL;	2362	prev = 0;
2558	for (part = src; part; part = part->more)	2363	for (object *part = src; part; part = part->more)
2559	{	2364	{
2560	tmp = get_object ();	2365	tmp = part->clone ();
2561	copy_object (part, tmp);
2562	tmp->x -= src->x;	2366	tmp->x -= src->x;
2563	tmp->y -= src->y;	2367	tmp->y -= src->y;
		2368
2564	if (!part->head)	2369	if (!part->head)
2565	{	2370	{
2566	dst = tmp;	2371	dst = tmp;
2567	tmp->head = NULL;	2372	tmp->head = 0;
2568	}	2373	}
2569	else	2374	else
2570	{
2571	tmp->head = dst;	2375	tmp->head = dst;
2572	}	2376
2573	tmp->more = NULL;	2377	tmp->more = 0;
		2378
2574	if (prev)	2379	if (prev)
2575	prev->more = tmp;	2380	prev->more = tmp;
		2381
2576	prev = tmp;	2382	prev = tmp;
2577	}	2383	}
2578		2384
2579	for (item = src->inv; item; item = item->below)	2385	for (item = src->inv; item; item = item->below)
2580	insert_ob_in_ob (object_create_clone (item), dst);	2386	insert_ob_in_ob (object_create_clone (item), dst);
2581		2387
2582	return dst;	2388	return dst;
2583	}
2584
2585	/* GROS - Creates an object using a string representing its content. */
2586	/* Basically, we save the content of the string to a temp file, then call */
2587	/* load_object on it. I admit it is a highly inefficient way to make things, */
2588	/* but it was simple to make and allows reusing the load_object function. */
2589	/* Remember not to use load_object_str in a time-critical situation. */
2590	/* Also remember that multiparts objects are not supported for now. */
2591
2592	object *
2593	load_object_str (const char *obstr)
2594	{
2595	object *op;
2596	char filename[MAX_BUF];
2597
2598	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2599
2600	FILE *tempfile = fopen (filename, "w");
2601
2602	if (tempfile == NULL)
2603	{
2604	LOG (llevError, "Error - Unable to access load object temp file\n");
2605	return NULL;
2606	}
2607
2608	fprintf (tempfile, obstr);
2609	fclose (tempfile);
2610
2611	op = get_object ();
2612
2613	object_thawer thawer (filename);
2614
2615	if (thawer)
2616	load_object (thawer, op, 0);
2617
2618	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2619	CLEAR_FLAG (op, FLAG_REMOVED);
2620
2621	return op;
2622	}	2389	}
2623		2390
2624	/* This returns the first object in who's inventory that	2391	/* This returns the first object in who's inventory that
2625	* has the same type and subtype match.	2392	* has the same type and subtype match.
2626	* returns NULL if no match.	2393	* returns NULL if no match.
2627	*/	2394	*/
2628	object *	2395	object *
2629	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)
2630	{	2397	{
2631	object *tmp;
2632
2633	for (tmp = who->inv; tmp; tmp = tmp->below)	2398	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2634	if (tmp->type == type && tmp->subtype == subtype)	2399	if (tmp->type == type && tmp->subtype == subtype)
2635	return tmp;	2400	return tmp;
2636		2401
2637	return NULL;	2402	return 0;
2638	}	2403	}
2639		2404
2640	/* 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,
2641	* otherwise return NULL.	2406	* otherwise return NULL.
2642	*	2407	*
…		…
2644	* do the desired thing.	2409	* do the desired thing.
2645	*/	2410	*/
2646	key_value *	2411	key_value *
2647	get_ob_key_link (const object *ob, const char *key)	2412	get_ob_key_link (const object *ob, const char *key)
2648	{	2413	{
2649	key_value *link;
2650
2651	for (link = ob->key_values; link != NULL; link = link->next)	2414	for (key_value *link = ob->key_values; link; link = link->next)
2652	if (link->key == key)	2415	if (link->key == key)
2653	return link;	2416	return link;
2654		2417
2655	return NULL;	2418	return 0;
2656	}	2419	}
2657		2420
2658	/*	2421	/*
2659	* 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.
2660	*	2423	*
…		…
2685	if (link->key == canonical_key)	2448	if (link->key == canonical_key)
2686	return link->value;	2449	return link->value;
2687		2450
2688	return 0;	2451	return 0;
2689	}	2452	}
2690
2691		2453
2692	/*	2454	/*
2693	* Updates the canonical_key in op to value.	2455	* Updates the canonical_key in op to value.
2694	*	2456	*
2695	* 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).
…		…
2700	* Returns TRUE on success.	2462	* Returns TRUE on success.
2701	*/	2463	*/
2702	int	2464	int
2703	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)
2704	{	2466	{
2705	key_value *
2706	field = NULL, *last = NULL;	2467	key_value *field = NULL, *last = NULL;
2707		2468
2708	for (field = op->key_values; field != NULL; field = field->next)	2469	for (field = op->key_values; field != NULL; field = field->next)
2709	{	2470	{
2710	if (field->key != canonical_key)	2471	if (field->key != canonical_key)
2711	{	2472	{
…		…
2720	/* Basically, if the archetype has this key set,	2481	/* Basically, if the archetype has this key set,
2721	* we need to store the null value so when we save	2482	* we need to store the null value so when we save
2722	* it, we save the empty value so that when we load,	2483	* it, we save the empty value so that when we load,
2723	* we get this value back again.	2484	* we get this value back again.
2724	*/	2485	*/
2725	if (get_ob_key_link (&op->arch->clone, canonical_key))	2486	if (get_ob_key_link (op->arch, canonical_key))
2726	field->value = 0;	2487	field->value = 0;
2727	else	2488	else
2728	{	2489	{
2729	if (last)	2490	if (last)
2730	last->next = field->next;	2491	last->next = field->next;
…		…
2739	/* IF we get here, key doesn't exist */	2500	/* IF we get here, key doesn't exist */
2740		2501
2741	/* No field, we'll have to add it. */	2502	/* No field, we'll have to add it. */
2742		2503
2743	if (!add_key)	2504	if (!add_key)
2744	{
2745	return FALSE;	2505	return FALSE;
2746	}	2506
2747	/* There isn't any good reason to store a null	2507	/* There isn't any good reason to store a null
2748	* value in the key/value list. If the archetype has	2508	* value in the key/value list. If the archetype has
2749	* this key, then we should also have it, so shouldn't	2509	* this key, then we should also have it, so shouldn't
2750	* be here. If user wants to store empty strings,	2510	* be here. If user wants to store empty strings,
2751	* should pass in ""	2511	* should pass in ""
…		…
2800	}	2560	}
2801	else	2561	else
2802	item = item->env;	2562	item = item->env;
2803	}	2563	}
2804		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
2805	// return a suitable string describing an objetc in enough detail to find it	2593	// return a suitable string describing an object in enough detail to find it
2806	const char *	2594	const char *
2807	object::debug_desc (char *info) const	2595	object::debug_desc (char *info) const
2808	{	2596	{
		2597	char flagdesc[512];
2809	char info2[256 * 3];	2598	char info2[256 * 4];
2810	char *p = info;	2599	char *p = info;
2811		2600
2812	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2601	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2813	count,	2602	count,
		2603	uuid.c_str (),
2814	&name,	2604	&name,
2815	title ? " " : "",	2605	title ? "\",title:\"" : "",
2816	title ? (const char *)title : "");	2606	title ? (const char *)title : "",
		2607	flag_desc (flagdesc, 512), type);
2817		2608
2818	if (env)	2609	if (!this->flag[FLAG_REMOVED] && env)
2819	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2610	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2820		2611
2821	if (map)	2612	if (map)
2822	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2613	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2823		2614
2824	return info;	2615	return info;
2825	}	2616	}
2826		2617
2827	const char *	2618	const char *
2828	object::debug_desc () const	2619	object::debug_desc () const
2829	{	2620	{
2830	static char info[256 * 3];	2621	static char info[3][256 * 4];
		2622	static int info_idx;
		2623
2831	return debug_desc (info);	2624	return debug_desc (info [++info_idx % 3]);
2832	}	2625	}
2833		2626
		2627	struct region *
		2628	object::region () const
		2629	{
		2630	return map ? map->region (x, y)
		2631	: region::default_region ();
		2632	}
		2633
		2634	const materialtype_t *
		2635	object::dominant_material () const
		2636	{
		2637	if (materialtype_t *mt = name_to_material (materialname))
		2638	return mt;
		2639
		2640	return name_to_material (shstr_unknown);
		2641	}
		2642
		2643	void
		2644	object::open_container (object *new_container)
		2645	{
		2646	if (container == new_container)
		2647	return;
		2648
		2649	if (object *old_container = container)
		2650	{
		2651	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2652	return;
		2653
		2654	#if 0
		2655	// remove the "Close old_container" object.
		2656	if (object *closer = old_container->inv)
		2657	if (closer->type == CLOSE_CON)
		2658	closer->destroy ();
		2659	#endif
		2660
		2661	old_container->flag [FLAG_APPLIED] = 0;
		2662	container = 0;
		2663
		2664	esrv_update_item (UPD_FLAGS, this, old_container);
		2665	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2666	play_sound (sound_find ("chest_close"));
		2667	}
		2668
		2669	if (new_container)
		2670	{
		2671	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2672	return;
		2673
		2674	// TODO: this does not seem to serve any purpose anymore?
		2675	#if 0
		2676	// insert the "Close Container" object.
		2677	if (archetype *closer = new_container->other_arch)
		2678	{
		2679	object *closer = arch_to_object (new_container->other_arch);
		2680	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2681	new_container->insert (closer);
		2682	}
		2683	#endif
		2684
		2685	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2686
		2687	new_container->flag [FLAG_APPLIED] = 1;
		2688	container = new_container;
		2689
		2690	esrv_update_item (UPD_FLAGS, this, new_container);
		2691	esrv_send_inventory (this, new_container);
		2692	play_sound (sound_find ("chest_open"));
		2693	}
		2694	}
		2695
		2696	object *
		2697	object::force_find (const shstr name)
		2698	{
		2699	/* cycle through his inventory to look for the MARK we want to
		2700	* place
		2701	*/
		2702	for (object *tmp = inv; tmp; tmp = tmp->below)
		2703	if (tmp->type == FORCE && tmp->slaying == name)
		2704	return splay (tmp);
		2705
		2706	return 0;
		2707	}
		2708
		2709	void
		2710	object::force_add (const shstr name, int duration)
		2711	{
		2712	if (object *force = force_find (name))
		2713	force->destroy ();
		2714
		2715	object *force = get_archetype (FORCE_NAME);
		2716
		2717	force->slaying = name;
		2718	force->stats.food = 1;
		2719	force->speed_left = -1.f;
		2720
		2721	force->set_speed (duration ? 1.f / duration : 0.f);
		2722	force->flag [FLAG_IS_USED_UP] = true;
		2723	force->flag [FLAG_APPLIED] = true;
		2724
		2725	insert (force);
		2726	}
		2727
		2728	void
		2729	object::play_sound (faceidx sound) const
		2730	{
		2731	if (!sound)
		2732	return;
		2733
		2734	if (flag [FLAG_REMOVED])
		2735	return;
		2736
		2737	if (env)
		2738	{
		2739	if (object *pl = in_player ())
		2740	pl->contr->play_sound (sound);
		2741	}
		2742	else
		2743	map->play_sound (sound, x, y);
		2744	}
		2745

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