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Comparing deliantra/server/common/object.C (file contents):
Revision 1.39 by root, Wed Sep 13 02:05:19 2006 UTC vs.
Revision 1.203 by root, Fri Apr 11 13:59:05 2008 UTC

1
2	/*	1	/*
3	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
4		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7		7	*
8	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
10	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	(at your option) any later version.	11	* (at your option) any later version.
12		12	*
13	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU General Public License for more details.	16	* GNU General Public License for more details.
17		17	*
18	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
19	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
21		21	* The authors can be reached via e-mail to <support@deliantra.net>
22	The authors can be reached via e-mail at crossfire-devel@real-time.com
23	*/	22	*/
24		23
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
27	variable. */	26	variable. */
28	#include <global.h>	27	#include <global.h>
29	#include <stdio.h>	28	#include <stdio.h>
30	#include <sys/types.h>	29	#include <sys/types.h>
31	#include <sys/uio.h>	30	#include <sys/uio.h>
32	#include <object.h>	31	#include <object.h>
33	#include <funcpoint.h>	32	#include <funcpoint.h>
		33	#include <sproto.h>
34	#include <loader.h>	34	#include <loader.h>
35		35
36	int nrofallocobjects = 0;	36	#include <bitset>
37	static UUID uuid;	37
		38	UUID UUID::cur;
38	const uint64 UUID_SKIP = 1<<19;	39	static const uint64 UUID_SKIP = 1<<19;
39		40
40	object *objects; /* Pointer to the list of used objects */	41	objectvec objects;
41	object *active_objects; /* List of active objects that need to be processed */	42	activevec actives;
42		43
43	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,	44	short freearr_x[SIZEOFFREE] = {
		45	0,
		46	0, 1, 1, 1, 0, -1, -1, -1,
		47	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
44	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	48	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
45	};	49	};
46	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,	50	short freearr_y[SIZEOFFREE] = {
		51	0,
		52	-1, -1, 0, 1, 1, 1, 0, -1,
		53	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
47	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	54	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
48	};	55	};
49	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,	56	int maxfree[SIZEOFFREE] = {
		57	0,
		58	9, 10, 13, 14, 17, 18, 21, 22,
		59	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
50	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	60	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
51	};	61	};
52	int freedir[SIZEOFFREE] = {	62	int freedir[SIZEOFFREE] = {
53	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,	63	0,
		64	1, 2, 3, 4, 5, 6, 7, 8,
		65	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
54	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	66	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
55	};	67	};
56		68
57	static void	69	static void
58	write_uuid (void)	70	write_uuid (uval64 skip, bool sync)
59	{	71	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	72	CALL_BEGIN (2);
61		73	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	74	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	75	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		76	CALL_END;
65	FILE *fp;
66
67	if (!(fp = fopen (filename2, "w")))
68	{
69	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
70	return;
71	}
72
73	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
74	fclose (fp);
75	rename (filename2, filename1);
76	}	77	}
77		78
78	static void	79	static void
79	read_uuid (void)	80	read_uuid (void)
80	{	81	{
…		…
87	if (!(fp = fopen (filename, "r")))	88	if (!(fp = fopen (filename, "r")))
88	{	89	{
89	if (errno == ENOENT)	90	if (errno == ENOENT)
90	{	91	{
91	LOG (llevInfo, "RESET uid to 1\n");	92	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	93	UUID::cur.seq = 0;
93	write_uuid ();	94	write_uuid (UUID_SKIP, true);
94	return;	95	return;
95	}	96	}
96		97
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	98	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	99	_exit (1);
99	}	100	}
100		101
101	int version;	102	UUID::BUF buf;
102	unsigned long long uid;	103	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	104	fgets (buf, sizeof (buf), fp);
		105
		106	if (!UUID::cur.parse (buf))
104	{	107	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	108	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	109	_exit (1);
107	}	110	}
108		111
109	uuid.seq = uid;
110	write_uuid ();
111	LOG (llevDebug, "read UID: %lld\n", uid);	112	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
		113
		114	write_uuid (UUID_SKIP, true);
112	fclose (fp);	115	fclose (fp);
113	}	116	}
114		117
115	UUID	118	UUID
116	gen_uuid ()	119	UUID::gen ()
117	{	120	{
118	UUID uid;	121	UUID uid;
119		122
120	uid.seq = ++uuid.seq;	123	uid.seq = ++cur.seq;
121		124
122	if (!(uuid.seq & (UUID_SKIP - 1)))	125	if (expect_false (!(cur.seq & (UUID_SKIP - 1))))
123	write_uuid ();	126	write_uuid (UUID_SKIP, false);
124		127
125	return uid;	128	return uid;
126	}	129	}
127		130
128	void	131	void
129	init_uuid ()	132	UUID::init ()
130	{	133	{
131	read_uuid ();	134	read_uuid ();
132	}	135	}
133		136
134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	137	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
…		…
141	* objects with lists are rare, and lists stay short. If not, use a	144	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	145	* different structure or at least keep the lists sorted...
143	*/	146	*/
144		147
145	/* For each field in wants, */	148	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	149	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
147	{	150	{
148	key_value *has_field;	151	key_value *has_field;
149		152
150	/* Look for a field in has with the same key. */	153	/* Look for a field in has with the same key. */
151	has_field = get_ob_key_link (has, wants_field->key);	154	has_field = get_ob_key_link (has, wants_field->key);
…		…
185	*	188	*
186	* Note that this function appears a lot longer than the macro it	189	* Note that this function appears a lot longer than the macro it
187	* replaces - this is mostly for clarity - a decent compiler should hopefully	190	* replaces - this is mostly for clarity - a decent compiler should hopefully
188	* reduce this to the same efficiency.	191	* reduce this to the same efficiency.
189	*	192	*
190	* Check nrof variable *before* calling CAN_MERGE()	193	* Check nrof variable *before* calling can_merge()
191	*	194	*
192	* Improvements made with merge: Better checking on potion, and also	195	* Improvements made with merge: Better checking on potion, and also
193	* check weight	196	* check weight
194	*/	197	*/
195
196	bool object::can_merge (object *ob1, object *ob2)	198	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	199	{
198	/* A couple quicksanity checks */	200	/* A couple quicksanity checks */
199	if ((ob1 == ob2) || (ob1->type != ob2->type))	201	if (ob1 == ob2
		202	|| ob1->type != ob2->type
		203	|| ob1->speed != ob2->speed
		204	|| ob1->value != ob2->value
		205	|| ob1->name != ob2->name)
200	return 0;	206	return 0;
201		207
202	if (ob1->speed != ob2->speed)	208	//TODO: this ain't working well, use nicer and correct overflow check
203	return 0;
204
205	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	209	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
206	* value could not be stored in a sint32 (which unfortunately sometimes is	210	* value could not be stored in a sint32 (which unfortunately sometimes is
207	* used to store nrof).	211	* used to store nrof).
208	*/	212	*/
209	if (ob1->nrof + ob2->nrof >= 1UL << 31)	213	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
219	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	223	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
220		224
221	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	225	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
222	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	226	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
223		227
224		228	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
225	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	229	|| ob1->arch != ob2->arch
226	* being locked in inventory should prevent merging.
227	* 0x4 in flags3 is CLIENT_SENT
228	*/
229	if ((ob1->arch != ob2->arch) ||
230	(ob1->flags[0] != ob2->flags[0]) ||
231	(ob1->flags[1] != ob2->flags[1]) ||
232	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
233	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
234	(ob1->name != ob2->name) ||	230	|| ob1->name != ob2->name
235	(ob1->title != ob2->title) ||	231	|| ob1->title != ob2->title
236	(ob1->msg != ob2->msg) ||	232	|| ob1->msg != ob2->msg
237	(ob1->weight != ob2->weight) ||	233	|| ob1->weight != ob2->weight
238	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	234	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
239	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	235	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
240	(ob1->attacktype != ob2->attacktype) ||	236	|| ob1->attacktype != ob2->attacktype
241	(ob1->magic != ob2->magic) ||	237	|| ob1->magic != ob2->magic
242	(ob1->slaying != ob2->slaying) ||	238	|| ob1->slaying != ob2->slaying
243	(ob1->skill != ob2->skill) ||	239	|| ob1->skill != ob2->skill
244	(ob1->value != ob2->value) ||	240	|| ob1->value != ob2->value
245	(ob1->animation_id != ob2->animation_id) ||	241	|| ob1->animation_id != ob2->animation_id
246	(ob1->client_type != ob2->client_type) ||	242	|| ob1->client_type != ob2->client_type
247	(ob1->materialname != ob2->materialname) ||	243	|| ob1->materialname != ob2->materialname
248	(ob1->lore != ob2->lore) ||	244	|| ob1->lore != ob2->lore
249	(ob1->subtype != ob2->subtype) ||	245	|| ob1->subtype != ob2->subtype
250	(ob1->move_type != ob2->move_type) ||	246	|| ob1->move_type != ob2->move_type
251	(ob1->move_block != ob2->move_block) ||	247	|| ob1->move_block != ob2->move_block
252	(ob1->move_allow != ob2->move_allow) ||	248	|| ob1->move_allow != ob2->move_allow
253	(ob1->move_on != ob2->move_on) ||	249	|| ob1->move_on != ob2->move_on
254	(ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty))	250	|| ob1->move_off != ob2->move_off
		251	|| ob1->move_slow != ob2->move_slow
		252	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
255	return 0;	253	return 0;
256		254
257	/* This is really a spellbook check - really, we should	255	/* This is really a spellbook check - really, we should
258	* check all objects in the inventory.	256	* check all objects in the inventory.
259	*/	257	*/
260	if (ob1->inv || ob2->inv)	258	if (ob1->inv || ob2->inv)
261	{	259	{
262	/* if one object has inventory but the other doesn't, not equiv */
263	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
264	return 0;
265
266	/* Now check to see if the two inventory objects could merge */
267	if (!CAN_MERGE (ob1->inv, ob2->inv))	260	if (!(ob1->inv && ob2->inv))
268	return 0;	261	return 0; /* inventories differ in length */
		262
		263	if (ob1->inv->below || ob2->inv->below)
		264	return 0; /* more than one object in inv */
		265
		266	if (!object::can_merge (ob1->inv, ob2->inv))
		267	return 0; /* inventory objexts differ */
269		268
270	/* inventory ok - still need to check rest of this object to see	269	/* inventory ok - still need to check rest of this object to see
271	* if it is valid.	270	* if it is valid.
272	*/	271	*/
273	}	272	}
…		…
281		280
282	/* Note sure why the following is the case - either the object has to	281	/* Note sure why the following is the case - either the object has to
283	* be animated or have a very low speed. Is this an attempted monster	282	* be animated or have a very low speed. Is this an attempted monster
284	* check?	283	* check?
285	*/	284	*/
286	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	285	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
287	return 0;	286	return 0;
288		287
289	switch (ob1->type)	288	switch (ob1->type)
290	{	289	{
291	case SCROLL:	290	case SCROLL:
…		…
302	return 0;	301	return 0;
303	else if (!compare_ob_value_lists (ob1, ob2))	302	else if (!compare_ob_value_lists (ob1, ob2))
304	return 0;	303	return 0;
305	}	304	}
306		305
307	//TODO: generate an event or call into perl for additional checks
308	if (ob1->self || ob2->self)	306	if (ob1->self || ob2->self)
309	{	307	{
310	ob1->optimise ();	308	ob1->optimise ();
311	ob2->optimise ();	309	ob2->optimise ();
312		310
313	if (ob1->self || ob2->self)	311	if (ob1->self || ob2->self)
		312	{
		313	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		314	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		315
		316	if (k1 != k2)
314	return 0;	317	return 0;
		318	else if (k1 == 0)
		319	return 1;
		320	else if (!cfperl_can_merge (ob1, ob2))
		321	return 0;
		322	}
315	}	323	}
316		324
317	/* Everything passes, must be OK. */	325	/* Everything passes, must be OK. */
318	return 1;	326	return 1;
319	}	327	}
…		…
327	sum_weight (object *op)	335	sum_weight (object *op)
328	{	336	{
329	long sum;	337	long sum;
330	object *inv;	338	object *inv;
331		339
332	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	340	for (sum = 0, inv = op->inv; inv; inv = inv->below)
333	{	341	{
334	if (inv->inv)	342	if (inv->inv)
335	sum_weight (inv);	343	sum_weight (inv);
		344
336	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	345	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
337	}	346	}
338		347
339	if (op->type == CONTAINER && op->stats.Str)	348	if (op->type == CONTAINER && op->stats.Str)
340	sum = (sum * (100 - op->stats.Str)) / 100;	349	sum = (sum * (100 - op->stats.Str)) / 100;
…		…
356	op = op->env;	365	op = op->env;
357	return op;	366	return op;
358	}	367	}
359		368
360	/*	369	/*
361	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
362	* a better check. We basically keeping traversing up until we can't
363	* or find a player.
364	*/
365
366	object *
367	is_player_inv (object *op)
368	{
369	for (; op != NULL && op->type != PLAYER; op = op->env)
370	if (op->env == op)
371	op->env = NULL;
372	return op;
373	}
374
375	/*
376	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	370	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
377	* Some error messages.	371	* Some error messages.
378	* The result of the dump is stored in the static global errmsg array.	372	* The result of the dump is stored in the static global errmsg array.
379	*/	373	*/
380		374	char *
381	void
382	dump_object2 (object *op)
383	{
384	errmsg[0] = 0;
385	return;
386	//TODO//D#d#
387	#if 0
388	char *cp;
389
390	/* object *tmp;*/
391
392	if (op->arch != NULL)
393	{
394	strcat (errmsg, "arch ");
395	strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
396	strcat (errmsg, "\n");
397	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
398	strcat (errmsg, cp);
399	# if 0
400	/* Don't dump player diffs - they are too long, mostly meaningless, and
401	* will overflow the buffer.
402	* Changed so that we don't dump inventory either. This may
403	* also overflow the buffer.
404	*/
405	if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
406	strcat (errmsg, cp);
407	for (tmp = op->inv; tmp; tmp = tmp->below)
408	dump_object2 (tmp);
409	# endif
410	strcat (errmsg, "end\n");
411	}
412	else
413	{
414	strcat (errmsg, "Object ");
415	if (op->name == NULL)
416	strcat (errmsg, "(null)");
417	else
418	strcat (errmsg, op->name);
419	strcat (errmsg, "\n");
420	# if 0
421	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
422	strcat (errmsg, cp);
423	for (tmp = op->inv; tmp; tmp = tmp->below)
424	dump_object2 (tmp);
425	# endif
426	strcat (errmsg, "end\n");
427	}
428	#endif
429	}
430
431	/*
432	* Dumps an object. Returns output in the static global errmsg array.
433	*/
434
435	void
436	dump_object (object *op)	375	dump_object (object *op)
437	{	376	{
438	if (op == NULL)	377	if (!op)
439	{	378	return strdup ("[NULLOBJ]");
440	strcpy (errmsg, "[NULL pointer]");
441	return;
442	}
443	errmsg[0] = '\0';
444	dump_object2 (op);
445	}
446		379
447	void	380	object_freezer freezer;
448	dump_all_objects (void)	381	op->write (freezer);
449	{	382	return freezer.as_string ();
450	object *op;
451
452	for (op = objects; op != NULL; op = op->next)
453	{
454	dump_object (op);
455	fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
456	}
457	}	383	}
458		384
459	/*	385	/*
460	* get_nearest_part(multi-object, object 2) returns the part of the	386	* get_nearest_part(multi-object, object 2) returns the part of the
461	* multi-object 1 which is closest to the second object.	387	* multi-object 1 which is closest to the second object.
462	* If it's not a multi-object, it is returned.	388	* If it's not a multi-object, it is returned.
463	*/	389	*/
464
465	object *	390	object *
466	get_nearest_part (object *op, const object *pl)	391	get_nearest_part (object *op, const object *pl)
467	{	392	{
468	object *tmp, *closest;	393	object *tmp, *closest;
469	int last_dist, i;	394	int last_dist, i;
…		…
477	}	402	}
478		403
479	/*	404	/*
480	* Returns the object which has the count-variable equal to the argument.	405	* Returns the object which has the count-variable equal to the argument.
481	*/	406	*/
482
483	object *	407	object *
484	find_object (tag_t i)	408	find_object (tag_t i)
485	{	409	{
486	object *op;	410	for_all_objects (op)
487
488	for (op = objects; op != NULL; op = op->next)
489	if (op->count == i)	411	if (op->count == i)
490	break;
491	return op;	412	return op;
		413
		414	return 0;
492	}	415	}
493		416
494	/*	417	/*
495	* Returns the first object which has a name equal to the argument.	418	* Returns the first object which has a name equal to the argument.
496	* Used only by the patch command, but not all that useful.	419	* Used only by the patch command, but not all that useful.
497	* Enables features like "patch <name-of-other-player> food 999"	420	* Enables features like "patch <name-of-other-player> food 999"
498	*/	421	*/
499
500	object *	422	object *
501	find_object_name (const char *str)	423	find_object_name (const char *str)
502	{	424	{
503	shstr_cmp str_ (str);	425	shstr_cmp str_ (str);
504	object *op;	426	object *op;
505		427
506	for (op = objects; op != NULL; op = op->next)	428	for_all_objects (op)
507	if (op->name == str_)	429	if (op->name == str_)
508	break;	430	break;
509		431
510	return op;	432	return op;
511	}	433	}
512		434
513	void
514	free_all_object_data ()
515	{
516	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
517	}
518
519	/*
520	* Returns the object which this object marks as being the owner.
521	* A id-scheme is used to avoid pointing to objects which have been
522	* freed and are now reused. If this is detected, the owner is
523	* set to NULL, and NULL is returned.
524	* Changed 2004-02-12 - if the player is setting at the play again
525	* prompt, he is removed, and we don't want to treat him as an owner of
526	* anything, so check removed flag. I don't expect that this should break
527	* anything - once an object is removed, it is basically dead anyways.
528	*/
529	object *
530	object::get_owner ()
531	{
532	if (!owner
533	|| QUERY_FLAG (owner, FLAG_FREED)
534	|| QUERY_FLAG (owner, FLAG_REMOVED))
535	owner = 0;
536
537	return owner;
538	}
539
540	/*	435	/*
541	* Sets the owner and sets the skill and exp pointers to owner's current	436	* Sets the owner and sets the skill and exp pointers to owner's current
542	* skill and experience objects.	437	* skill and experience objects.
		438	* ACTUALLY NO! investigate! TODO
543	*/	439	*/
544	void	440	void
545	object::set_owner (object *owner)	441	object::set_owner (object *owner)
546	{	442	{
		443	// allow objects which own objects
547	if (!owner)	444	if (owner)
548	return;
549
550	/* next line added to allow objects which own objects */
551	/* Add a check for ownercounts in here, as I got into an endless loop
552	* with the fireball owning a poison cloud which then owned the
553	* fireball. I believe that was caused by one of the objects getting
554	* freed and then another object replacing it. Since the ownercounts
555	* didn't match, this check is valid and I believe that cause is valid.
556	*/
557	while (owner->owner)	445	while (owner->owner)
558	owner = owner->owner;	446	owner = owner->owner;
		447
		448	if (flag [FLAG_FREED])
		449	{
		450	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		451	return;
		452	}
559		453
560	this->owner = owner;	454	this->owner = owner;
		455	}
		456
		457	int
		458	object::slottype () const
		459	{
		460	if (type == SKILL)
		461	{
		462	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		463	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		464	}
		465	else
		466	{
		467	if (slot [body_combat].info) return slot_combat;
		468	if (slot [body_range ].info) return slot_ranged;
		469	}
		470
		471	return slot_none;
		472	}
		473
		474	bool
		475	object::change_weapon (object *ob)
		476	{
		477	if (current_weapon == ob)
		478	return true;
		479
		480	if (chosen_skill)
		481	chosen_skill->flag [FLAG_APPLIED] = false;
		482
		483	current_weapon = ob;
		484	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		485
		486	if (chosen_skill)
		487	chosen_skill->flag [FLAG_APPLIED] = true;
		488
		489	update_stats ();
		490
		491	if (ob)
		492	{
		493	// now check wether any body locations became invalid, in which case
		494	// we cannot apply the weapon at the moment.
		495	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		496	if (slot[i].used < 0)
		497	{
		498	current_weapon = chosen_skill = 0;
		499	update_stats ();
		500
		501	new_draw_info_format (NDI_UNIQUE, 0, this,
		502	"You try to balance all your items at once, "
		503	"but the %s is just too much for your body. "
		504	"[You need to unapply some items first.]", &ob->name);
		505	return false;
		506	}
		507
		508	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		509	}
		510	else
		511	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		512
		513	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		514	{
		515	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		516	&name, ob->debug_desc ());
		517	return false;
		518	}
		519
		520	return true;
561	}	521	}
562		522
563	/* Zero the key_values on op, decrementing the shared-string	523	/* Zero the key_values on op, decrementing the shared-string
564	* refcounts and freeing the links.	524	* refcounts and freeing the links.
565	*/	525	*/
566	static void	526	static void
567	free_key_values (object *op)	527	free_key_values (object *op)
568	{	528	{
569	for (key_value *i = op->key_values; i != 0;)	529	for (key_value *i = op->key_values; i; )
570	{	530	{
571	key_value *next = i->next;	531	key_value *next = i->next;
572	delete i;	532	delete i;
573		533
574	i = next;	534	i = next;
575	}	535	}
576		536
577	op->key_values = 0;	537	op->key_values = 0;
578	}	538	}
579		539
580	void object::clear ()	540	object &
		541	object::operator =(const object &src)
581	{	542	{
582	attachable_base::clear ();	543	bool is_freed = flag [FLAG_FREED];
		544	bool is_removed = flag [FLAG_REMOVED];
583		545
584	free_key_values (this);	546	*(object_copy *)this = src;
585		547
586	owner = 0;	548	flag [FLAG_FREED] = is_freed;
587	name = 0;	549	flag [FLAG_REMOVED] = is_removed;
588	name_pl = 0;
589	title = 0;
590	race = 0;
591	slaying = 0;
592	skill = 0;
593	msg = 0;
594	lore = 0;
595	custom_name = 0;
596	materialname = 0;
597	contr = 0;
598	below = 0;
599	above = 0;
600	inv = 0;
601	container = 0;
602	env = 0;
603	more = 0;
604	head = 0;
605	map = 0;
606	active_next = 0;
607	active_prev = 0;
608
609	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
610
611	SET_FLAG (this, FLAG_REMOVED);
612
613	/* What is not cleared is next, prev, and count */
614
615	expmul = 1.0;
616	face = blank_face;
617	attacked_by_count = -1;
618
619	if (settings.casting_time)
620	casting_time = -1;
621	}
622
623	void object::clone (object *destination)
624	{
625	*(object_copy *)destination = *this;
626	*(object_pod *)destination = *this;
627
628	if (self || cb)
629	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
630	}
631
632	/*
633	* copy object first frees everything allocated by the second object,
634	* and then copies the contends of the first object into the second
635	* object, allocating what needs to be allocated. Basically, any
636	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
637	* if the first object is freed, the pointers in the new object
638	* will point at garbage.
639	*/
640	void
641	copy_object (object *op2, object *op)
642	{
643	bool is_freed = QUERY_FLAG (op, FLAG_FREED);
644	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
645
646	op2->clone (op);
647
648	if (is_freed)
649	SET_FLAG (op, FLAG_FREED);
650	if (is_removed)
651	SET_FLAG (op, FLAG_REMOVED);
652
653	if (op2->speed < 0)
654	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
655		550
656	/* Copy over key_values, if any. */	551	/* Copy over key_values, if any. */
657	if (op2->key_values)	552	if (src.key_values)
658	{	553	{
659	key_value *tail = 0;	554	key_value *tail = 0;
660	key_value *i;
661
662	op->key_values = 0;	555	key_values = 0;
663		556
664	for (i = op2->key_values; i; i = i->next)	557	for (key_value *i = src.key_values; i; i = i->next)
665	{	558	{
666	key_value *new_link = new key_value;	559	key_value *new_link = new key_value;
667		560
668	new_link->next = 0;	561	new_link->next = 0;
669	new_link->key = i->key;	562	new_link->key = i->key;
670	new_link->value = i->value;	563	new_link->value = i->value;
671		564
672	/* Try and be clever here, too. */	565	/* Try and be clever here, too. */
673	if (!op->key_values)	566	if (!key_values)
674	{	567	{
675	op->key_values = new_link;	568	key_values = new_link;
676	tail = new_link;	569	tail = new_link;
677	}	570	}
678	else	571	else
679	{	572	{
680	tail->next = new_link;	573	tail->next = new_link;
681	tail = new_link;	574	tail = new_link;
682	}	575	}
683	}	576	}
684	}	577	}
		578	}
685		579
686	update_ob_speed (op);	580	/*
		581	* copy_to first frees everything allocated by the dst object,
		582	* and then copies the contents of itself into the second
		583	* object, allocating what needs to be allocated. Basically, any
		584	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		585	* if the first object is freed, the pointers in the new object
		586	* will point at garbage.
		587	*/
		588	void
		589	object::copy_to (object *dst)
		590	{
		591	*dst = *this;
		592
		593	if (speed < 0)
		594	dst->speed_left -= rndm ();
		595
		596	dst->set_speed (dst->speed);
		597	}
		598
		599	void
		600	object::instantiate ()
		601	{
		602	if (!uuid.seq) // HACK
		603	uuid = UUID::gen ();
		604
		605	speed_left = -0.1f;
		606	/* copy the body_info to the body_used - this is only really
		607	* need for monsters, but doesn't hurt to do it for everything.
		608	* by doing so, when a monster is created, it has good starting
		609	* values for the body_used info, so when items are created
		610	* for it, they can be properly equipped.
		611	*/
		612	for (int i = NUM_BODY_LOCATIONS; i--; )
		613	slot[i].used = slot[i].info;
		614
		615	attachable::instantiate ();
		616	}
		617
		618	object *
		619	object::clone ()
		620	{
		621	object *neu = create ();
		622	copy_to (neu);
		623	return neu;
687	}	624	}
688		625
689	/*	626	/*
690	* If an object with the IS_TURNABLE() flag needs to be turned due	627	* If an object with the IS_TURNABLE() flag needs to be turned due
691	* to the closest player being on the other side, this function can	628	* to the closest player being on the other side, this function can
692	* be called to update the face variable, _and_ how it looks on the map.	629	* be called to update the face variable, _and_ how it looks on the map.
693	*/	630	*/
694
695	void	631	void
696	update_turn_face (object *op)	632	update_turn_face (object *op)
697	{	633	{
698	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	634	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
699	return;	635	return;
		636
700	SET_ANIMATION (op, op->direction);	637	SET_ANIMATION (op, op->direction);
701	update_object (op, UP_OBJ_FACE);	638	update_object (op, UP_OBJ_FACE);
702	}	639	}
703		640
704	/*	641	/*
705	* Updates the speed of an object. If the speed changes from 0 to another	642	* Updates the speed of an object. If the speed changes from 0 to another
706	* value, or vice versa, then add/remove the object from the active list.	643	* value, or vice versa, then add/remove the object from the active list.
707	* This function needs to be called whenever the speed of an object changes.	644	* This function needs to be called whenever the speed of an object changes.
708	*/	645	*/
709	void	646	void
710	update_ob_speed (object *op)	647	object::set_speed (float speed)
711	{	648	{
712	extern int arch_init;	649	if (flag [FLAG_FREED] && speed)
713
714	/* No reason putting the archetypes objects on the speed list,
715	* since they never really need to be updated.
716	*/
717
718	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
719	{	650	{
720	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	651	LOG (llevError, "Object %s is freed but has speed.\n", &name);
721	#ifdef MANY_CORES
722	abort ();
723	#else
724	op->speed = 0;	652	speed = 0;
725	#endif
726	}
727
728	if (arch_init)
729	return;
730
731	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
732	{	653	}
733	/* If already on active list, don't do anything */
734	if (op->active_next || op->active_prev || op == active_objects)
735	return;
736		654
737	/* process_events() expects us to insert the object at the beginning	655	this->speed = speed;
738	* of the list. */
739	op->active_next = active_objects;
740		656
741	if (op->active_next != NULL)	657	if (has_active_speed ())
742	op->active_next->active_prev = op;	658	activate ();
743
744	active_objects = op;
745	}
746	else	659	else
747	{	660	deactivate ();
748	/* If not on the active list, nothing needs to be done */
749	if (!op->active_next && !op->active_prev && op != active_objects)
750	return;
751
752	if (op->active_prev == NULL)
753	{
754	active_objects = op->active_next;
755
756	if (op->active_next != NULL)
757	op->active_next->active_prev = NULL;
758	}
759	else
760	{
761	op->active_prev->active_next = op->active_next;
762
763	if (op->active_next)
764	op->active_next->active_prev = op->active_prev;
765	}
766
767	op->active_next = NULL;
768	op->active_prev = NULL;
769	}
770	}	661	}
771		662
772	/* This function removes object 'op' from the list of active
773	* objects.
774	* This should only be used for style maps or other such
775	* reference maps where you don't want an object that isn't
776	* in play chewing up cpu time getting processed.
777	* The reverse of this is to call update_ob_speed, which
778	* will do the right thing based on the speed of the object.
779	*/
780	void
781	remove_from_active_list (object *op)
782	{
783	/* If not on the active list, nothing needs to be done */
784	if (!op->active_next && !op->active_prev && op != active_objects)
785	return;
786
787	if (op->active_prev == NULL)
788	{
789	active_objects = op->active_next;
790	if (op->active_next != NULL)
791	op->active_next->active_prev = NULL;
792	}
793	else
794	{
795	op->active_prev->active_next = op->active_next;
796	if (op->active_next)
797	op->active_next->active_prev = op->active_prev;
798	}
799	op->active_next = NULL;
800	op->active_prev = NULL;
801	}
802
803	/*	663	/*
804	* update_object() updates the array which represents the map.	664	* update_object() updates the the map.
805	* It takes into account invisible objects (and represent squares covered	665	* It takes into account invisible objects (and represent squares covered
806	* by invisible objects by whatever is below them (unless it's another	666	* by invisible objects by whatever is below them (unless it's another
807	* invisible object, etc...)	667	* invisible object, etc...)
808	* If the object being updated is beneath a player, the look-window	668	* If the object being updated is beneath a player, the look-window
809	* of that player is updated (this might be a suboptimal way of	669	* of that player is updated (this might be a suboptimal way of
810	* updating that window, though, since update_object() is called _often_)	670	* updating that window, though, since update_object() is called _often_)
811	*	671	*
812	* action is a hint of what the caller believes need to be done.	672	* action is a hint of what the caller believes need to be done.
813	* For example, if the only thing that has changed is the face (due to
814	* an animation), we don't need to call update_position until that actually
815	* comes into view of a player. OTOH, many other things, like addition/removal
816	* of walls or living creatures may need us to update the flags now.
817	* current action are:	673	* current action are:
818	* UP_OBJ_INSERT: op was inserted	674	* UP_OBJ_INSERT: op was inserted
819	* UP_OBJ_REMOVE: op was removed	675	* UP_OBJ_REMOVE: op was removed
820	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	676	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
821	* as that is easier than trying to look at what may have changed.	677	* as that is easier than trying to look at what may have changed.
822	* UP_OBJ_FACE: only the objects face has changed.	678	* UP_OBJ_FACE: only the objects face has changed.
823	*/	679	*/
824
825	void	680	void
826	update_object (object *op, int action)	681	update_object (object *op, int action)
827	{	682	{
828	int update_now = 0, flags;
829	MoveType move_on, move_off, move_block, move_slow;
830
831	if (op == NULL)	683	if (op == NULL)
832	{	684	{
833	/* this should never happen */	685	/* this should never happen */
834	LOG (llevDebug, "update_object() called for NULL object.\n");	686	LOG (llevDebug, "update_object() called for NULL object.\n");
835	return;	687	return;
836	}	688	}
837		689
838	if (op->env != NULL)	690	if (op->env)
839	{	691	{
840	/* Animation is currently handled by client, so nothing	692	/* Animation is currently handled by client, so nothing
841	* to do in this case.	693	* to do in this case.
842	*/	694	*/
843	return;	695	return;
…		…
848	*/	700	*/
849	if (!op->map || op->map->in_memory == MAP_SAVING)	701	if (!op->map || op->map->in_memory == MAP_SAVING)
850	return;	702	return;
851		703
852	/* make sure the object is within map boundaries */	704	/* make sure the object is within map boundaries */
853	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	705	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
854	{	706	{
855	LOG (llevError, "update_object() called for object out of map!\n");	707	LOG (llevError, "update_object() called for object out of map!\n");
856	#ifdef MANY_CORES	708	#ifdef MANY_CORES
857	abort ();	709	abort ();
858	#endif	710	#endif
859	return;	711	return;
860	}	712	}
861		713
862	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	714	mapspace &m = op->ms ();
863	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
864	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
865	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
866	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
867	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
868		715
		716	if (!(m.flags_ & P_UPTODATE))
		717	/* nop */;
869	if (action == UP_OBJ_INSERT)	718	else if (action == UP_OBJ_INSERT)
870	{	719	{
		720	// this is likely overkill, TODO: revisit (schmorp)
871	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	721	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
872	update_now = 1;
873
874	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	722	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
875	update_now = 1;	723	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
876		724	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		725	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
877	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	726	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
878	update_now = 1;
879
880	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
881	update_now = 1;
882
883	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
884	update_now = 1;
885
886	if ((move_on | op->move_on) != move_on)	727	|| (m.move_on | op->move_on ) != m.move_on
887	update_now = 1;
888
889	if ((move_off | op->move_off) != move_off)	728	|| (m.move_off | op->move_off ) != m.move_off
890	update_now = 1;	729	|| (m.move_slow | op->move_slow) != m.move_slow
891
892	/* This isn't perfect, but I don't expect a lot of objects to	730	/* This isn't perfect, but I don't expect a lot of objects to
893	* to have move_allow right now.	731	* to have move_allow right now.
894	*/	732	*/
895	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	733	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
896	update_now = 1;	734	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
897		735	m.flags_ = 0;
898	if ((move_slow | op->move_slow) != move_slow)
899	update_now = 1;
900	}	736	}
901	/* if the object is being removed, we can't make intelligent	737	/* if the object is being removed, we can't make intelligent
902	* decisions, because remove_ob can't really pass the object	738	* decisions, because remove_ob can't really pass the object
903	* that is being removed.	739	* that is being removed.
904	*/	740	*/
905	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	741	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
906	update_now = 1;	742	m.flags_ = 0;
907	else if (action == UP_OBJ_FACE)	743	else if (action == UP_OBJ_FACE)
908	/* Nothing to do for that case */ ;	744	/* Nothing to do for that case */ ;
909	else	745	else
910	LOG (llevError, "update_object called with invalid action: %d\n", action);	746	LOG (llevError, "update_object called with invalid action: %d\n", action);
911		747
912	if (update_now)
913	{
914	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
915	update_position (op->map, op->x, op->y);
916	}
917
918	if (op->more != NULL)	748	if (op->more)
919	update_object (op->more, action);	749	update_object (op->more, action);
920	}
921
922	static unordered_vector<object *> mortals;
923	static std::vector<object *, slice_allocator <object *> > freed;
924
925	void object::free_mortals ()
926	{
927	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();)
928	if ((*i)->refcnt)
929	++i; // further delay freeing
930	else
931	{
932	freed.push_back (*i);//D
933	//delete *i;
934	mortals.erase (i);
935	}
936
937	if (mortals.size() && 0)//D
938	LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D
939	}	750	}
940		751
941	object::object ()	752	object::object ()
942	{	753	{
943	SET_FLAG (this, FLAG_REMOVED);	754	SET_FLAG (this, FLAG_REMOVED);
944		755
945	expmul = 1.0;	756	expmul = 1.0;
946	face = blank_face;	757	face = blank_face;
947	attacked_by_count = -1;
948	}	758	}
949		759
950	object::~object ()	760	object::~object ()
951	{	761	{
		762	unlink ();
		763
952	free_key_values (this);	764	free_key_values (this);
953	}	765	}
954		766
		767	static int object_count;
		768
955	void object::link ()	769	void object::link ()
956	{	770	{
		771	assert (!index);//D
		772	uuid = UUID::gen ();
957	count = ++ob_count;	773	count = ++object_count;
958		774
959	prev = 0;	775	refcnt_inc ();
960	next = objects;	776	objects.insert (this);
961
962	if (objects)
963	objects->prev = this;
964
965	objects = this;
966	}	777	}
967		778
968	void object::unlink ()	779	void object::unlink ()
969	{	780	{
970	count = 0;
971	uuid = gen_uuid ();
972
973	if (this == objects)
974	objects = next;
975
976	/* Remove this object from the list of used objects */
977	if (prev)
978	{
979	prev->next = next;
980	prev = 0;
981	}
982
983	if (next)	781	if (!index)
		782	return;
		783
		784	objects.erase (this);
		785	refcnt_dec ();
		786	}
		787
		788	void
		789	object::activate ()
		790	{
		791	/* If already on active list, don't do anything */
		792	if (active)
		793	return;
		794
		795	if (has_active_speed ())
		796	actives.insert (this);
		797	}
		798
		799	void
		800	object::activate_recursive ()
		801	{
		802	activate ();
		803
		804	for (object *op = inv; op; op = op->below)
		805	op->activate_recursive ();
		806	}
		807
		808	/* This function removes object 'op' from the list of active
		809	* objects.
		810	* This should only be used for style maps or other such
		811	* reference maps where you don't want an object that isn't
		812	* in play chewing up cpu time getting processed.
		813	* The reverse of this is to call update_ob_speed, which
		814	* will do the right thing based on the speed of the object.
		815	*/
		816	void
		817	object::deactivate ()
		818	{
		819	/* If not on the active list, nothing needs to be done */
		820	if (!active)
		821	return;
		822
		823	actives.erase (this);
		824	}
		825
		826	void
		827	object::deactivate_recursive ()
		828	{
		829	for (object *op = inv; op; op = op->below)
		830	op->deactivate_recursive ();
		831
		832	deactivate ();
		833	}
		834
		835	void
		836	object::set_flag_inv (int flag, int value)
		837	{
		838	for (object *op = inv; op; op = op->below)
		839	{
		840	op->flag [flag] = value;
		841	op->set_flag_inv (flag, value);
984	{	842	}
985	next->prev = prev;	843	}
986	next = 0;	844
		845	/*
		846	* Remove and free all objects in the inventory of the given object.
		847	* object.c ?
		848	*/
		849	void
		850	object::destroy_inv (bool drop_to_ground)
		851	{
		852	// need to check first, because the checks below might segfault
		853	// as we might be on an invalid mapspace and crossfire code
		854	// is too buggy to ensure that the inventory is empty.
		855	// corollary: if you create arrows etc. with stuff in tis inventory,
		856	// cf will crash below with off-map x and y
		857	if (!inv)
		858	return;
		859
		860	/* Only if the space blocks everything do we not process -
		861	* if some form of movement is allowed, let objects
		862	* drop on that space.
		863	*/
		864	if (!drop_to_ground
		865	|| !map
		866	|| map->in_memory != MAP_IN_MEMORY
		867	|| map->nodrop
		868	|| ms ().move_block == MOVE_ALL)
		869	{
		870	while (inv)
		871	{
		872	inv->destroy_inv (drop_to_ground);
		873	inv->destroy ();
		874	}
		875	}
		876	else
		877	{ /* Put objects in inventory onto this space */
		878	while (inv)
		879	{
		880	object *op = inv;
		881
		882	if (op->flag [FLAG_STARTEQUIP]
		883	|| op->flag [FLAG_NO_DROP]
		884	|| op->type == RUNE
		885	|| op->type == TRAP
		886	|| op->flag [FLAG_IS_A_TEMPLATE]
		887	|| op->flag [FLAG_DESTROY_ON_DEATH])
		888	op->destroy ();
		889	else
		890	map->insert (op, x, y);
		891	}
987	}	892	}
988	}	893	}
989		894
990	object *object::create ()	895	object *object::create ()
991	{	896	{
992	object *op;
993
994	if (freed.empty ())
995	op = new object;	897	object *op = new object;
996	else
997	{
998	// highly annoying, but the only way to get it stable right now
999	op = freed.back ();
1000	freed.pop_back ();
1001	op->~object ();
1002	new ((void *) op) object;
1003	}
1004
1005	op->link ();	898	op->link ();
1006	return op;	899	return op;
1007	}	900	}
1008		901
1009	/*	902	void
1010	* free_object() frees everything allocated by an object, removes	903	object::do_destroy ()
1011	* it from the list of used objects, and puts it on the list of
1012	* free objects. The IS_FREED() flag is set in the object.
1013	* The object must have been removed by remove_ob() first for
1014	* this function to succeed.
1015	*
1016	* If free_inventory is set, free inventory as well. Else drop items in
1017	* inventory to the ground.
1018	*/
1019	void object::free (bool free_inventory)
1020	{	904	{
1021	if (QUERY_FLAG (this, FLAG_FREED))	905	attachable::do_destroy ();
		906
		907	if (flag [FLAG_IS_LINKED])
		908	remove_button_link (this);
		909
		910	if (flag [FLAG_FRIENDLY])
		911	remove_friendly_object (this);
		912
		913	if (!flag [FLAG_REMOVED])
		914	remove ();
		915
		916	destroy_inv (true);
		917
		918	deactivate ();
		919	unlink ();
		920
		921	flag [FLAG_FREED] = 1;
		922
		923	// hack to ensure that freed objects still have a valid map
		924	{
		925	static maptile *freed_map; // freed objects are moved here to avoid crashes
		926
		927	if (!freed_map)
		928	{
		929	freed_map = new maptile;
		930
		931	freed_map->path = "<freed objects map>";
		932	freed_map->name = "/internal/freed_objects_map";
		933	freed_map->width = 3;
		934	freed_map->height = 3;
		935	freed_map->nodrop = 1;
		936
		937	freed_map->alloc ();
		938	freed_map->in_memory = MAP_IN_MEMORY;
		939	}
		940
		941	map = freed_map;
		942	x = 1;
		943	y = 1;
		944	}
		945
		946	if (more)
		947	{
		948	more->destroy ();
		949	more = 0;
		950	}
		951
		952	head = 0;
		953
		954	// clear those pointers that likely might cause circular references
		955	owner = 0;
		956	enemy = 0;
		957	attacked_by = 0;
		958	current_weapon = 0;
		959	}
		960
		961	void
		962	object::destroy (bool destroy_inventory)
		963	{
		964	if (destroyed ())
1022	return;	965	return;
1023		966
1024	if (QUERY_FLAG (this, FLAG_FRIENDLY))	967	if (destroy_inventory)
1025	remove_friendly_object (this);	968	destroy_inv (false);
1026		969
1027	if (!QUERY_FLAG (this, FLAG_REMOVED))	970	if (is_head ())
1028	remove_ob (this);	971	if (sound_destroy)
		972	play_sound (sound_destroy);
		973	else if (flag [FLAG_MONSTER])
		974	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
1029		975
1030	SET_FLAG (this, FLAG_FREED);	976	attachable::destroy ();
1031
1032	if (more)
1033	{
1034	more->free (free_inventory);
1035	more = 0;
1036	}
1037
1038	if (inv)
1039	{
1040	/* Only if the space blocks everything do we not process -
1041	* if some form of movement is allowed, let objects
1042	* drop on that space.
1043	*/
1044	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
1045	{
1046	object *op = inv;
1047
1048	while (op)
1049	{
1050	object *tmp = op->below;
1051	op->free (free_inventory);
1052	op = tmp;
1053	}
1054	}
1055	else
1056	{ /* Put objects in inventory onto this space */
1057	object *op = inv;
1058
1059	while (op)
1060	{
1061	object *tmp = op->below;
1062
1063	remove_ob (op);
1064
1065	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1066	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1067	free_object (op);
1068	else
1069	{
1070	op->x = x;
1071	op->y = y;
1072	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
1073	}
1074
1075	op = tmp;
1076	}
1077	}
1078	}
1079
1080	owner = 0;
1081
1082	/* Remove object from the active list */
1083	speed = 0;
1084	update_ob_speed (this);
1085
1086	unlink ();
1087
1088	mortals.push_back (this);
1089	}	977	}
1090		978
1091	/*	979	/*
1092	* sub_weight() recursively (outwards) subtracts a number from the	980	* sub_weight() recursively (outwards) subtracts a number from the
1093	* weight of an object (and what is carried by it's environment(s)).	981	* weight of an object (and what is carried by it's environment(s)).
1094	*/	982	*/
1095
1096	void	983	void
1097	sub_weight (object *op, signed long weight)	984	sub_weight (object *op, signed long weight)
1098	{	985	{
1099	while (op != NULL)	986	while (op != NULL)
1100	{	987	{
1101	if (op->type == CONTAINER)	988	if (op->type == CONTAINER)
1102	{
1103	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	989	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1104	}	990
1105	op->carrying -= weight;	991	op->carrying -= weight;
1106	op = op->env;	992	op = op->env;
1107	}	993	}
1108	}	994	}
1109		995
1110	/* remove_ob(op):	996	/* op->remove ():
1111	* This function removes the object op from the linked list of objects	997	* This function removes the object op from the linked list of objects
1112	* which it is currently tied to. When this function is done, the	998	* which it is currently tied to. When this function is done, the
1113	* object will have no environment. If the object previously had an	999	* object will have no environment. If the object previously had an
1114	* environment, the x and y coordinates will be updated to	1000	* environment, the x and y coordinates will be updated to
1115	* the previous environment.	1001	* the previous environment.
1116	* Beware: This function is called from the editor as well!
1117	*/	1002	*/
1118
1119	void	1003	void
1120	remove_ob (object *op)	1004	object::do_remove ()
1121	{	1005	{
		1006	object *tmp, *last = 0;
1122	object *	1007	object *otmp;
1123	tmp, *
1124	last = NULL;
1125	object *
1126	otmp;
1127		1008
1128	tag_t
1129	tag;
1130	int
1131	check_walk_off;
1132	mapstruct *
1133	m;
1134
1135	sint16
1136	x,
1137	y;
1138
1139	if (QUERY_FLAG (op, FLAG_REMOVED))	1009	if (QUERY_FLAG (this, FLAG_REMOVED))
1140	return;	1010	return;
1141		1011
1142	SET_FLAG (op, FLAG_REMOVED);	1012	SET_FLAG (this, FLAG_REMOVED);
		1013	INVOKE_OBJECT (REMOVE, this);
1143		1014
1144	if (op->more != NULL)	1015	if (more)
1145	remove_ob (op->more);	1016	more->remove ();
1146		1017
1147	/*	1018	/*
1148	* In this case, the object to be removed is in someones	1019	* In this case, the object to be removed is in someones
1149	* inventory.	1020	* inventory.
1150	*/	1021	*/
1151	if (op->env != NULL)	1022	if (env)
1152	{	1023	{
1153	if (op->nrof)	1024	if (nrof)
1154	sub_weight (op->env, op->weight * op->nrof);	1025	sub_weight (env, weight * nrof);
1155	else	1026	else
1156	sub_weight (op->env, op->weight + op->carrying);	1027	sub_weight (env, weight + carrying);
1157		1028
1158	/* NO_FIX_PLAYER is set when a great many changes are being	1029	/* NO_FIX_PLAYER is set when a great many changes are being
1159	* made to players inventory. If set, avoiding the call	1030	* made to players inventory. If set, avoiding the call
1160	* to save cpu time.	1031	* to save cpu time.
1161	*/	1032	*/
1162	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1033	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1163	fix_player (otmp);	1034	otmp->update_stats ();
1164		1035
1165	if (op->above != NULL)	1036	if (above)
1166	op->above->below = op->below;	1037	above->below = below;
1167	else	1038	else
1168	op->env->inv = op->below;	1039	env->inv = below;
1169		1040
1170	if (op->below != NULL)	1041	if (below)
1171	op->below->above = op->above;	1042	below->above = above;
1172		1043
1173	/* we set up values so that it could be inserted into	1044	/* we set up values so that it could be inserted into
1174	* the map, but we don't actually do that - it is up	1045	* the map, but we don't actually do that - it is up
1175	* to the caller to decide what we want to do.	1046	* to the caller to decide what we want to do.
1176	*/	1047	*/
1177	op->x = op->env->x, op->y = op->env->y;	1048	x = env->x, y = env->y;
1178	op->map = op->env->map;	1049	map = env->map;
1179	op->above = NULL, op->below = NULL;	1050	above = 0, below = 0;
1180	op->env = NULL;	1051	env = 0;
1181	}	1052	}
1182	else if (op->map)	1053	else if (map)
1183	{	1054	{
1184	x = op->x;	1055	if (type == PLAYER)
1185	y = op->y;
1186	m = get_map_from_coord (op->map, &x, &y);
1187
1188	if (!m)
1189	{
1190	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1191	op->map->path, op->x, op->y);
1192	/* in old days, we used to set x and y to 0 and continue.
1193	* it seems if we get into this case, something is probablye
1194	* screwed up and should be fixed.
1195	*/
1196	abort ();
1197	}	1056	{
		1057	// leaving a spot always closes any open container on the ground
		1058	if (container && !container->env)
		1059	// this causes spurious floorbox updates, but it ensures
		1060	// that the CLOSE event is being sent.
		1061	close_container ();
1198		1062
1199	if (op->map != m)	1063	--map->players;
1200	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	1064	map->touch ();
1201	op->map->path, m->path, op->x, op->y, x, y);
1202
1203	/* Re did the following section of code - it looks like it had
1204	* lots of logic for things we no longer care about
1205	*/	1065	}
		1066
		1067	map->dirty = true;
		1068	mapspace &ms = this->ms ();
1206		1069
1207	/* link the object above us */	1070	/* link the object above us */
1208	if (op->above)	1071	if (above)
1209	op->above->below = op->below;	1072	above->below = below;
1210	else	1073	else
1211	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1074	ms.top = below; /* we were top, set new top */
1212		1075
1213	/* Relink the object below us, if there is one */	1076	/* Relink the object below us, if there is one */
1214	if (op->below)	1077	if (below)
1215	op->below->above = op->above;	1078	below->above = above;
1216	else	1079	else
1217	{	1080	{
1218	/* Nothing below, which means we need to relink map object for this space	1081	/* Nothing below, which means we need to relink map object for this space
1219	* use translated coordinates in case some oddness with map tiling is	1082	* use translated coordinates in case some oddness with map tiling is
1220	* evident	1083	* evident
1221	*/	1084	*/
1222	if (GET_MAP_OB (m, x, y) != op)	1085	if (GET_MAP_OB (map, x, y) != this)
1223	{
1224	dump_object (op);
1225	LOG (llevError,
1226	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", errmsg);	1086	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 ());
1227	dump_object (GET_MAP_OB (m, x, y));	1087
1228	LOG (llevError, "%s\n", errmsg);	1088	ms.bot = above; /* goes on above it. */
1229	}	1089	}
1230		1090
1231	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1232	}
1233
1234	op->above = 0;	1091	above = 0;
1235	op->below = 0;	1092	below = 0;
1236		1093
1237	if (op->map->in_memory == MAP_SAVING)	1094	if (map->in_memory == MAP_SAVING)
1238	return;	1095	return;
1239		1096
1240	tag = op->count;	1097	int check_walk_off = !flag [FLAG_NO_APPLY];
1241	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1242		1098
1243	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1099	if (object *pl = ms.player ())
		1100	{
		1101	if (pl->container == this)
		1102	/* If a container that the player is currently using somehow gets
		1103	* removed (most likely destroyed), update the player view
		1104	* appropriately.
		1105	*/
		1106	pl->close_container ();
		1107
		1108	pl->contr->ns->floorbox_update ();
		1109	}
		1110
		1111	for (tmp = ms.bot; tmp; tmp = tmp->above)
1244	{	1112	{
1245	/* No point updating the players look faces if he is the object	1113	/* No point updating the players look faces if he is the object
1246	* being removed.	1114	* being removed.
1247	*/	1115	*/
1248		1116
1249	if (tmp->type == PLAYER && tmp != op)	1117	/* See if object moving off should effect something */
		1118	if (check_walk_off
		1119	&& ((move_type & tmp->move_off)
		1120	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1250	{	1121	{
1251	/* If a container that the player is currently using somehow gets	1122	move_apply (tmp, this, 0);
1252	* removed (most likely destroyed), update the player view
1253	* appropriately.
1254	*/
1255	if (tmp->container == op)
1256	{
1257	CLEAR_FLAG (op, FLAG_APPLIED);
1258	tmp->container = NULL;
1259	}
1260		1123
1261	tmp->contr->socket.update_look = 1;	1124	if (destroyed ())
		1125	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1262	}	1126	}
1263		1127
1264	/* See if player moving off should effect something */
1265	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1266	{
1267	move_apply (tmp, op, NULL);
1268
1269	if (was_destroyed (op, tag))
1270	{
1271	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);
1272	}
1273	}
1274
1275	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1276
1277	if (tmp->above == tmp)
1278	tmp->above = NULL;
1279
1280	last = tmp;	1128	last = tmp;
1281	}	1129	}
1282		1130
1283	/* last == NULL of there are no objects on this space */	1131	/* last == NULL if there are no objects on this space */
		1132	//TODO: this makes little sense, why only update the topmost object?
1284	if (last == NULL)	1133	if (!last)
1285	{	1134	map->at (x, y).flags_ = 0;
1286	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1287	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1288	* those out anyways, and if there are any flags set right now, they won't
1289	* be correct anyways.
1290	*/
1291	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1292	update_position (op->map, op->x, op->y);
1293	}
1294	else	1135	else
1295	update_object (last, UP_OBJ_REMOVE);	1136	update_object (last, UP_OBJ_REMOVE);
1296		1137
1297	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1138	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1298	update_all_los (op->map, op->x, op->y);	1139	update_all_los (map, x, y);
1299	}	1140	}
1300	}	1141	}
1301		1142
1302	/*	1143	/*
1303	* merge_ob(op,top):	1144	* merge_ob(op,top):
…		…
1311	merge_ob (object *op, object *top)	1152	merge_ob (object *op, object *top)
1312	{	1153	{
1313	if (!op->nrof)	1154	if (!op->nrof)
1314	return 0;	1155	return 0;
1315		1156
1316	if (top == NULL)	1157	if (!top)
1317	for (top = op; top != NULL && top->above != NULL; top = top->above);	1158	for (top = op; top && top->above; top = top->above)
		1159	;
1318		1160
1319	for (; top != NULL; top = top->below)	1161	for (; top; top = top->below)
1320	{	1162	{
1321	if (top == op)	1163	if (top == op)
1322	continue;	1164	continue;
1323	if (CAN_MERGE (op, top))	1165
		1166	if (object::can_merge (op, top))
1324	{	1167	{
1325	top->nrof += op->nrof;	1168	top->nrof += op->nrof;
1326		1169
1327	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1170	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1328	op->weight = 0; /* Don't want any adjustements now */	1171	op->weight = 0; /* Don't want any adjustements now */
1329	remove_ob (op);	1172	op->destroy ();
1330	free_object (op);
1331	return top;	1173	return top;
1332	}	1174	}
1333	}	1175	}
1334		1176
1335	return NULL;	1177	return 0;
1336	}	1178	}
1337		1179
		1180	void
		1181	object::expand_tail ()
		1182	{
		1183	if (more)
		1184	return;
		1185
		1186	object *prev = this;
		1187
		1188	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1189	{
		1190	object *op = arch_to_object (at);
		1191
		1192	op->name = name;
		1193	op->name_pl = name_pl;
		1194	op->title = title;
		1195
		1196	op->head = this;
		1197	prev->more = op;
		1198
		1199	prev = op;
		1200	}
		1201	}
		1202
1338	/*	1203	/*
1339	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1204	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1340	* job preparing multi-part monsters	1205	* job preparing multi-part monsters.
1341	*/	1206	*/
1342	object *	1207	object *
1343	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1208	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1344	{	1209	{
1345	object *tmp;
1346
1347	if (op->head)
1348	op = op->head;
1349
1350	for (tmp = op; tmp; tmp = tmp->more)	1210	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1351	{	1211	{
1352	tmp->x = x + tmp->arch->clone.x;	1212	tmp->x = x + tmp->arch->x;
1353	tmp->y = y + tmp->arch->clone.y;	1213	tmp->y = y + tmp->arch->y;
1354	}	1214	}
1355		1215
1356	return insert_ob_in_map (op, m, originator, flag);	1216	return insert_ob_in_map (op, m, originator, flag);
1357	}	1217	}
1358		1218
…		…
1374	* Return value:	1234	* Return value:
1375	* new object if 'op' was merged with other object	1235	* new object if 'op' was merged with other object
1376	* NULL if 'op' was destroyed	1236	* NULL if 'op' was destroyed
1377	* just 'op' otherwise	1237	* just 'op' otherwise
1378	*/	1238	*/
1379
1380	object *	1239	object *
1381	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1240	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1382	{	1241	{
		1242	assert (!op->flag [FLAG_FREED]);
		1243
1383	object *tmp, *top, *floor = NULL;	1244	object *top, *floor = NULL;
1384	sint16 x, y;
1385		1245
1386	if (QUERY_FLAG (op, FLAG_FREED))	1246	op->remove ();
1387	{
1388	LOG (llevError, "Trying to insert freed object!\n");
1389	return NULL;
1390	}
1391
1392	if (m == NULL)
1393	{
1394	dump_object (op);
1395	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);
1396	return op;
1397	}
1398
1399	if (out_of_map (m, op->x, op->y))
1400	{
1401	dump_object (op);
1402	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);
1403	#ifdef MANY_CORES
1404	/* Better to catch this here, as otherwise the next use of this object
1405	* is likely to cause a crash. Better to find out where it is getting
1406	* improperly inserted.
1407	*/
1408	abort ();
1409	#endif
1410	return op;
1411	}
1412
1413	if (!QUERY_FLAG (op, FLAG_REMOVED))
1414	{
1415	dump_object (op);
1416	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1417	return op;
1418	}
1419
1420	if (op->more != NULL)
1421	{
1422	/* The part may be on a different map. */
1423
1424	object *more = op->more;
1425
1426	/* We really need the caller to normalize coordinates - if
1427	* we set the map, that doesn't work if the location is within
1428	* a map and this is straddling an edge. So only if coordinate
1429	* is clear wrong do we normalize it.
1430	*/
1431	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1432	more->map = get_map_from_coord (m, &more->x, &more->y);
1433	else if (!more->map)
1434	{
1435	/* For backwards compatibility - when not dealing with tiled maps,
1436	* more->map should always point to the parent.
1437	*/
1438	more->map = m;
1439	}
1440
1441	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1442	{
1443	if (!op->head)
1444	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1445
1446	return NULL;
1447	}
1448	}
1449
1450	CLEAR_FLAG (op, FLAG_REMOVED);
1451		1247
1452	/* Ideally, the caller figures this out. However, it complicates a lot	1248	/* Ideally, the caller figures this out. However, it complicates a lot
1453	* of areas of callers (eg, anything that uses find_free_spot would now	1249	* of areas of callers (eg, anything that uses find_free_spot would now
1454	* need extra work	1250	* need extra work
1455	*/	1251	*/
1456	op->map = get_map_from_coord (m, &op->x, &op->y);	1252	if (!xy_normalise (m, op->x, op->y))
1457	x = op->x;	1253	{
1458	y = op->y;	1254	op->destroy ();
		1255	return 0;
		1256	}
		1257
		1258	if (object *more = op->more)
		1259	if (!insert_ob_in_map (more, m, originator, flag))
		1260	return 0;
		1261
		1262	CLEAR_FLAG (op, FLAG_REMOVED);
		1263
		1264	op->map = m;
		1265	mapspace &ms = op->ms ();
1459		1266
1460	/* this has to be done after we translate the coordinates.	1267	/* this has to be done after we translate the coordinates.
1461	*/	1268	*/
1462	if (op->nrof && !(flag & INS_NO_MERGE))	1269	if (op->nrof && !(flag & INS_NO_MERGE))
1463	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1270	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1464	if (CAN_MERGE (op, tmp))	1271	if (object::can_merge (op, tmp))
1465	{	1272	{
1466	op->nrof += tmp->nrof;	1273	op->nrof += tmp->nrof;
1467	remove_ob (tmp);	1274	tmp->destroy ();
1468	free_object (tmp);
1469	}	1275	}
1470		1276
1471	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1277	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1472	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1278	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1473		1279
…		…
1486	op->below = originator->below;	1292	op->below = originator->below;
1487		1293
1488	if (op->below)	1294	if (op->below)
1489	op->below->above = op;	1295	op->below->above = op;
1490	else	1296	else
1491	SET_MAP_OB (op->map, op->x, op->y, op);	1297	ms.bot = op;
1492		1298
1493	/* since *below* originator, no need to update top */	1299	/* since *below* originator, no need to update top */
1494	originator->below = op;	1300	originator->below = op;
1495	}	1301	}
1496	else	1302	else
1497	{	1303	{
		1304	top = ms.bot;
		1305
1498	/* If there are other objects, then */	1306	/* If there are other objects, then */
1499	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1307	if (top)
1500	{	1308	{
1501	object *last = NULL;	1309	object *last = 0;
1502		1310
1503	/*	1311	/*
1504	* If there are multiple objects on this space, we do some trickier handling.	1312	* If there are multiple objects on this space, we do some trickier handling.
1505	* We've already dealt with merging if appropriate.	1313	* We've already dealt with merging if appropriate.
1506	* Generally, we want to put the new object on top. But if	1314	* Generally, we want to put the new object on top. But if
…		…
1510	* once we get to them. This reduces the need to traverse over all of	1318	* once we get to them. This reduces the need to traverse over all of
1511	* them when adding another one - this saves quite a bit of cpu time	1319	* them when adding another one - this saves quite a bit of cpu time
1512	* when lots of spells are cast in one area. Currently, it is presumed	1320	* when lots of spells are cast in one area. Currently, it is presumed
1513	* that flying non pickable objects are spell objects.	1321	* that flying non pickable objects are spell objects.
1514	*/	1322	*/
1515		1323	for (top = ms.bot; top; top = top->above)
1516	while (top != NULL)
1517	{	1324	{
1518	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1325	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1519	floor = top;	1326	floor = top;
1520		1327
1521	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1328	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1524	top = top->below;	1331	top = top->below;
1525	break;	1332	break;
1526	}	1333	}
1527		1334
1528	last = top;	1335	last = top;
1529	top = top->above;
1530	}	1336	}
1531		1337
1532	/* Don't want top to be NULL, so set it to the last valid object */	1338	/* Don't want top to be NULL, so set it to the last valid object */
1533	top = last;	1339	top = last;
1534		1340
…		…
1536	* looks like instead of lots of conditions here.	1342	* looks like instead of lots of conditions here.
1537	* makes things faster, and effectively the same result.	1343	* makes things faster, and effectively the same result.
1538	*/	1344	*/
1539		1345
1540	/* Have object 'fall below' other objects that block view.	1346	/* Have object 'fall below' other objects that block view.
1541	* Unless those objects are exits, type 66	1347	* Unless those objects are exits.
1542	* If INS_ON_TOP is used, don't do this processing	1348	* If INS_ON_TOP is used, don't do this processing
1543	* Need to find the object that in fact blocks view, otherwise	1349	* Need to find the object that in fact blocks view, otherwise
1544	* stacking is a bit odd.	1350	* stacking is a bit odd.
1545	*/	1351	*/
1546	if (!(flag & INS_ON_TOP) &&	1352	if (!(flag & INS_ON_TOP)
1547	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1353	&& ms.flags () & P_BLOCKSVIEW
		1354	&& (op->face && !faces [op->face].visibility))
1548	{	1355	{
1549	for (last = top; last != floor; last = last->below)	1356	for (last = top; last != floor; last = last->below)
1550	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1357	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1551	break;	1358	break;
		1359
1552	/* Check to see if we found the object that blocks view,	1360	/* Check to see if we found the object that blocks view,
1553	* and make sure we have a below pointer for it so that	1361	* and make sure we have a below pointer for it so that
1554	* we can get inserted below this one, which requires we	1362	* we can get inserted below this one, which requires we
1555	* set top to the object below us.	1363	* set top to the object below us.
1556	*/	1364	*/
1557	if (last && last->below && last != floor)	1365	if (last && last->below && last != floor)
1558	top = last->below;	1366	top = last->below;
1559	}	1367	}
1560	} /* If objects on this space */	1368	} /* If objects on this space */
1561		1369
1562	if (flag & INS_MAP_LOAD)
1563	top = GET_MAP_TOP (op->map, op->x, op->y);
1564
1565	if (flag & INS_ABOVE_FLOOR_ONLY)	1370	if (flag & INS_ABOVE_FLOOR_ONLY)
1566	top = floor;	1371	top = floor;
1567		1372
1568	/* Top is the object that our object (op) is going to get inserted above.	1373	/* Top is the object that our object (op) is going to get inserted above.
1569	*/	1374	*/
1570		1375
1571	/* First object on this space */	1376	/* First object on this space */
1572	if (!top)	1377	if (!top)
1573	{	1378	{
1574	op->above = GET_MAP_OB (op->map, op->x, op->y);	1379	op->above = ms.bot;
1575		1380
1576	if (op->above)	1381	if (op->above)
1577	op->above->below = op;	1382	op->above->below = op;
1578		1383
1579	op->below = NULL;	1384	op->below = 0;
1580	SET_MAP_OB (op->map, op->x, op->y, op);	1385	ms.bot = op;
1581	}	1386	}
1582	else	1387	else
1583	{ /* get inserted into the stack above top */	1388	{ /* get inserted into the stack above top */
1584	op->above = top->above;	1389	op->above = top->above;
1585		1390
…		…
1588		1393
1589	op->below = top;	1394	op->below = top;
1590	top->above = op;	1395	top->above = op;
1591	}	1396	}
1592		1397
1593	if (op->above == NULL)	1398	if (!op->above)
1594	SET_MAP_TOP (op->map, op->x, op->y, op);	1399	ms.top = op;
1595	} /* else not INS_BELOW_ORIGINATOR */	1400	} /* else not INS_BELOW_ORIGINATOR */
1596		1401
1597	if (op->type == PLAYER)	1402	if (op->type == PLAYER)
		1403	{
1598	op->contr->do_los = 1;	1404	op->contr->do_los = 1;
		1405	++op->map->players;
		1406	op->map->touch ();
		1407	}
1599		1408
1600	/* If we have a floor, we know the player, if any, will be above	1409	op->map->dirty = true;
1601	* it, so save a few ticks and start from there.	1410
1602	*/	1411	if (object *pl = ms.player ())
1603	if (!(flag & INS_MAP_LOAD))	1412	pl->contr->ns->floorbox_update ();
1604	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1605	if (tmp->type == PLAYER)
1606	tmp->contr->socket.update_look = 1;
1607		1413
1608	/* If this object glows, it may affect lighting conditions that are	1414	/* If this object glows, it may affect lighting conditions that are
1609	* visible to others on this map. But update_all_los is really	1415	* visible to others on this map. But update_all_los is really
1610	* an inefficient way to do this, as it means los for all players	1416	* an inefficient way to do this, as it means los for all players
1611	* on the map will get recalculated. The players could very well	1417	* on the map will get recalculated. The players could very well
1612	* be far away from this change and not affected in any way -	1418	* be far away from this change and not affected in any way -
1613	* this should get redone to only look for players within range,	1419	* this should get redone to only look for players within range,
1614	* or just updating the P_NEED_UPDATE for spaces within this area	1420	* or just updating the P_UPTODATE for spaces within this area
1615	* of effect may be sufficient.	1421	* of effect may be sufficient.
1616	*/	1422	*/
1617	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1423	if (op->map->darkness && (op->glow_radius != 0))
1618	update_all_los (op->map, op->x, op->y);	1424	update_all_los (op->map, op->x, op->y);
1619		1425
1620	/* updates flags (blocked, alive, no magic, etc) for this map space */	1426	/* updates flags (blocked, alive, no magic, etc) for this map space */
1621	update_object (op, UP_OBJ_INSERT);	1427	update_object (op, UP_OBJ_INSERT);
1622		1428
		1429	INVOKE_OBJECT (INSERT, op);
		1430
1623	/* Don't know if moving this to the end will break anything. However,	1431	/* Don't know if moving this to the end will break anything. However,
1624	* we want to have update_look set above before calling this.	1432	* we want to have floorbox_update called before calling this.
1625	*	1433	*
1626	* check_move_on() must be after this because code called from	1434	* check_move_on() must be after this because code called from
1627	* check_move_on() depends on correct map flags (so functions like	1435	* check_move_on() depends on correct map flags (so functions like
1628	* blocked() and wall() work properly), and these flags are updated by	1436	* blocked() and wall() work properly), and these flags are updated by
1629	* update_object().	1437	* update_object().
1630	*/	1438	*/
1631		1439
1632	/* if this is not the head or flag has been passed, don't check walk on status */	1440	/* if this is not the head or flag has been passed, don't check walk on status */
1633	if (!(flag & INS_NO_WALK_ON) && !op->head)	1441	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1634	{	1442	{
1635	if (check_move_on (op, originator))	1443	if (check_move_on (op, originator))
1636	return NULL;	1444	return 0;
1637		1445
1638	/* If we are a multi part object, lets work our way through the check	1446	/* If we are a multi part object, lets work our way through the check
1639	* walk on's.	1447	* walk on's.
1640	*/	1448	*/
1641	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1449	for (object *tmp = op->more; tmp; tmp = tmp->more)
1642	if (check_move_on (tmp, originator))	1450	if (check_move_on (tmp, originator))
1643	return NULL;	1451	return 0;
1644	}	1452	}
1645		1453
1646	return op;	1454	return op;
1647	}	1455	}
1648		1456
1649	/* this function inserts an object in the map, but if it	1457	/* this function inserts an object in the map, but if it
1650	* finds an object of its own type, it'll remove that one first.	1458	* finds an object of its own type, it'll remove that one first.
1651	* op is the object to insert it under: supplies x and the map.	1459	* op is the object to insert it under: supplies x and the map.
1652	*/	1460	*/
1653	void	1461	void
1654	replace_insert_ob_in_map (const char *arch_string, object *op)	1462	replace_insert_ob_in_map (const char *arch_string, object *op)
1655	{	1463	{
1656	object *	1464	object *tmp, *tmp1;
1657	tmp;
1658	object *
1659	tmp1;
1660		1465
1661	/* first search for itself and remove any old instances */	1466	/* first search for itself and remove any old instances */
1662		1467
1663	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1468	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1664	{
1665	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1469	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1666	{	1470	tmp->destroy ();
1667	remove_ob (tmp);
1668	free_object (tmp);
1669	}
1670	}
1671		1471
1672	tmp1 = arch_to_object (find_archetype (arch_string));	1472	tmp1 = arch_to_object (archetype::find (arch_string));
1673		1473
1674	tmp1->x = op->x;	1474	tmp1->x = op->x;
1675	tmp1->y = op->y;	1475	tmp1->y = op->y;
1676	insert_ob_in_map (tmp1, op->map, op, 0);	1476	insert_ob_in_map (tmp1, op->map, op, 0);
		1477	}
		1478
		1479	object *
		1480	object::insert_at (object *where, object *originator, int flags)
		1481	{
		1482	return where->map->insert (this, where->x, where->y, originator, flags);
1677	}	1483	}
1678		1484
1679	/*	1485	/*
1680	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1486	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1681	* is returned contains nr objects, and the remaining parts contains	1487	* is returned contains nr objects, and the remaining parts contains
1682	* the rest (or is removed and freed if that number is 0).	1488	* the rest (or is removed and freed if that number is 0).
1683	* On failure, NULL is returned, and the reason put into the	1489	* On failure, NULL is returned, and the reason put into the
1684	* global static errmsg array.	1490	* global static errmsg array.
1685	*/	1491	*/
1686
1687	object *	1492	object *
1688	get_split_ob (object *orig_ob, uint32 nr)	1493	get_split_ob (object *orig_ob, uint32 nr)
1689	{	1494	{
1690	object *	1495	object *newob;
1691	newob;
1692	int
1693	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1496	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1694		1497
1695	if (orig_ob->nrof < nr)	1498	if (orig_ob->nrof < nr)
1696	{	1499	{
1697	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1500	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1698	return NULL;	1501	return NULL;
1699	}	1502	}
1700		1503
1701	newob = object_create_clone (orig_ob);	1504	newob = object_create_clone (orig_ob);
1702		1505
1703	if ((orig_ob->nrof -= nr) < 1)	1506	if ((orig_ob->nrof -= nr) < 1)
1704	{	1507	orig_ob->destroy (1);
1705	if (!is_removed)
1706	remove_ob (orig_ob);
1707	free_object2 (orig_ob, 1);
1708	}
1709	else if (!is_removed)	1508	else if (!is_removed)
1710	{	1509	{
1711	if (orig_ob->env != NULL)	1510	if (orig_ob->env != NULL)
1712	sub_weight (orig_ob->env, orig_ob->weight * nr);	1511	sub_weight (orig_ob->env, orig_ob->weight * nr);
1713	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1512	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1728	* the amount of an object. If the amount reaches 0, the object	1527	* the amount of an object. If the amount reaches 0, the object
1729	* is subsequently removed and freed.	1528	* is subsequently removed and freed.
1730	*	1529	*
1731	* Return value: 'op' if something is left, NULL if the amount reached 0	1530	* Return value: 'op' if something is left, NULL if the amount reached 0
1732	*/	1531	*/
1733
1734	object *	1532	object *
1735	decrease_ob_nr (object *op, uint32 i)	1533	decrease_ob_nr (object *op, uint32 i)
1736	{	1534	{
1737	object *tmp;	1535	object *tmp;
1738	player *pl;
1739		1536
1740	if (i == 0) /* objects with op->nrof require this check */	1537	if (i == 0) /* objects with op->nrof require this check */
1741	return op;	1538	return op;
1742		1539
1743	if (i > op->nrof)	1540	if (i > op->nrof)
1744	i = op->nrof;	1541	i = op->nrof;
1745		1542
1746	if (QUERY_FLAG (op, FLAG_REMOVED))	1543	if (QUERY_FLAG (op, FLAG_REMOVED))
1747	op->nrof -= i;	1544	op->nrof -= i;
1748	else if (op->env != NULL)	1545	else if (op->env)
1749	{	1546	{
1750	/* is this object in the players inventory, or sub container	1547	/* is this object in the players inventory, or sub container
1751	* therein?	1548	* therein?
1752	*/	1549	*/
1753	tmp = is_player_inv (op->env);	1550	tmp = op->in_player ();
1754	/* nope. Is this a container the player has opened?	1551	/* nope. Is this a container the player has opened?
1755	* If so, set tmp to that player.	1552	* If so, set tmp to that player.
1756	* IMO, searching through all the players will mostly	1553	* IMO, searching through all the players will mostly
1757	* likely be quicker than following op->env to the map,	1554	* likely be quicker than following op->env to the map,
1758	* and then searching the map for a player.	1555	* and then searching the map for a player.
1759	*/	1556	*/
1760	if (!tmp)	1557	if (!tmp)
1761	{	1558	for_all_players (pl)
1762	for (pl = first_player; pl; pl = pl->next)
1763	if (pl->ob->container == op->env)	1559	if (pl->ob->container == op->env)
		1560	{
		1561	tmp = pl->ob;
1764	break;	1562	break;
1765	if (pl)
1766	tmp = pl->ob;
1767	else
1768	tmp = NULL;
1769	}	1563	}
1770		1564
1771	if (i < op->nrof)	1565	if (i < op->nrof)
1772	{	1566	{
1773	sub_weight (op->env, op->weight * i);	1567	sub_weight (op->env, op->weight * i);
1774	op->nrof -= i;	1568	op->nrof -= i;
1775	if (tmp)	1569	if (tmp)
1776	{
1777	esrv_send_item (tmp, op);	1570	esrv_send_item (tmp, op);
1778	}
1779	}	1571	}
1780	else	1572	else
1781	{	1573	{
1782	remove_ob (op);	1574	op->remove ();
1783	op->nrof = 0;	1575	op->nrof = 0;
1784	if (tmp)	1576	if (tmp)
1785	{
1786	esrv_del_item (tmp->contr, op->count);	1577	esrv_del_item (tmp->contr, op->count);
1787	}
1788	}	1578	}
1789	}	1579	}
1790	else	1580	else
1791	{	1581	{
1792	object *above = op->above;	1582	object *above = op->above;
1793		1583
1794	if (i < op->nrof)	1584	if (i < op->nrof)
1795	op->nrof -= i;	1585	op->nrof -= i;
1796	else	1586	else
1797	{	1587	{
1798	remove_ob (op);	1588	op->remove ();
1799	op->nrof = 0;	1589	op->nrof = 0;
1800	}	1590	}
1801		1591
1802	/* Since we just removed op, op->above is null */	1592	/* Since we just removed op, op->above is null */
1803	for (tmp = above; tmp != NULL; tmp = tmp->above)	1593	for (tmp = above; tmp; tmp = tmp->above)
1804	if (tmp->type == PLAYER)	1594	if (tmp->type == PLAYER)
1805	{	1595	{
1806	if (op->nrof)	1596	if (op->nrof)
1807	esrv_send_item (tmp, op);	1597	esrv_send_item (tmp, op);
1808	else	1598	else
…		…
1812		1602
1813	if (op->nrof)	1603	if (op->nrof)
1814	return op;	1604	return op;
1815	else	1605	else
1816	{	1606	{
1817	free_object (op);	1607	op->destroy ();
1818	return NULL;	1608	return 0;
1819	}	1609	}
1820	}	1610	}
1821		1611
1822	/*	1612	/*
1823	* add_weight(object, weight) adds the specified weight to an object,	1613	* add_weight(object, weight) adds the specified weight to an object,
1824	* and also updates how much the environment(s) is/are carrying.	1614	* and also updates how much the environment(s) is/are carrying.
1825	*/	1615	*/
1826
1827	void	1616	void
1828	add_weight (object *op, signed long weight)	1617	add_weight (object *op, signed long weight)
1829	{	1618	{
1830	while (op != NULL)	1619	while (op != NULL)
1831	{	1620	{
…		…
1835	op->carrying += weight;	1624	op->carrying += weight;
1836	op = op->env;	1625	op = op->env;
1837	}	1626	}
1838	}	1627	}
1839		1628
		1629	object *
		1630	insert_ob_in_ob (object *op, object *where)
		1631	{
		1632	if (!where)
		1633	{
		1634	char *dump = dump_object (op);
		1635	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1636	free (dump);
		1637	return op;
		1638	}
		1639
		1640	if (where->head_ () != where)
		1641	{
		1642	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1643	where = where->head;
		1644	}
		1645
		1646	return where->insert (op);
		1647	}
		1648
1840	/*	1649	/*
1841	* insert_ob_in_ob(op,environment):	1650	* env->insert (op)
1842	* This function inserts the object op in the linked list	1651	* This function inserts the object op in the linked list
1843	* inside the object environment.	1652	* inside the object environment.
1844	*	1653	*
1845	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1846	* the inventory at the last position or next to other objects of the same
1847	* type.
1848	* Frank: Now sorted by type, archetype and magic!
1849	*
1850	* The function returns now pointer to inserted item, and return value can	1654	* The function returns now pointer to inserted item, and return value can
1851	* be != op, if items are merged. -Tero	1655	* be != op, if items are merged. -Tero
1852	*/	1656	*/
1853
1854	object *	1657	object *
1855	insert_ob_in_ob (object *op, object *where)	1658	object::insert (object *op)
1856	{	1659	{
1857	object *
1858	tmp, *
1859	otmp;
1860
1861	if (!QUERY_FLAG (op, FLAG_REMOVED))	1660	if (!QUERY_FLAG (op, FLAG_REMOVED))
1862	{	1661	op->remove ();
1863	dump_object (op);
1864	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1865	return op;
1866	}
1867
1868	if (where == NULL)
1869	{
1870	dump_object (op);
1871	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1872	return op;
1873	}
1874
1875	if (where->head)
1876	{
1877	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1878	where = where->head;
1879	}
1880		1662
1881	if (op->more)	1663	if (op->more)
1882	{	1664	{
1883	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1665	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1884	return op;	1666	return op;
1885	}	1667	}
1886		1668
1887	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1669	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1888	CLEAR_FLAG (op, FLAG_REMOVED);	1670	CLEAR_FLAG (op, FLAG_REMOVED);
		1671
1889	if (op->nrof)	1672	if (op->nrof)
1890	{	1673	{
1891	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1674	for (object *tmp = inv; tmp; tmp = tmp->below)
1892	if (CAN_MERGE (tmp, op))	1675	if (object::can_merge (tmp, op))
1893	{	1676	{
1894	/* return the original object and remove inserted object	1677	/* return the original object and remove inserted object
1895	(client needs the original object) */	1678	(client needs the original object) */
1896	tmp->nrof += op->nrof;	1679	tmp->nrof += op->nrof;
1897	/* Weight handling gets pretty funky. Since we are adding to	1680	/* Weight handling gets pretty funky. Since we are adding to
1898	* tmp->nrof, we need to increase the weight.	1681	* tmp->nrof, we need to increase the weight.
1899	*/	1682	*/
1900	add_weight (where, op->weight * op->nrof);	1683	add_weight (this, op->weight * op->nrof);
1901	SET_FLAG (op, FLAG_REMOVED);	1684	SET_FLAG (op, FLAG_REMOVED);
1902	free_object (op); /* free the inserted object */	1685	op->destroy (); /* free the inserted object */
1903	op = tmp;	1686	op = tmp;
1904	remove_ob (op); /* and fix old object's links */	1687	op->remove (); /* and fix old object's links */
1905	CLEAR_FLAG (op, FLAG_REMOVED);	1688	CLEAR_FLAG (op, FLAG_REMOVED);
1906	break;	1689	break;
1907	}	1690	}
1908		1691
1909	/* I assume combined objects have no inventory	1692	/* I assume combined objects have no inventory
1910	* We add the weight - this object could have just been removed	1693	* We add the weight - this object could have just been removed
1911	* (if it was possible to merge). calling remove_ob will subtract	1694	* (if it was possible to merge). calling remove_ob will subtract
1912	* the weight, so we need to add it in again, since we actually do	1695	* the weight, so we need to add it in again, since we actually do
1913	* the linking below	1696	* the linking below
1914	*/	1697	*/
1915	add_weight (where, op->weight * op->nrof);	1698	add_weight (this, op->weight * op->nrof);
1916	}	1699	}
1917	else	1700	else
1918	add_weight (where, (op->weight + op->carrying));	1701	add_weight (this, (op->weight + op->carrying));
1919		1702
1920	otmp = is_player_inv (where);	1703	if (object *otmp = this->in_player ())
1921	if (otmp && otmp->contr != NULL)
1922	{
1923	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1704	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1924	fix_player (otmp);	1705	otmp->update_stats ();
1925	}
1926		1706
		1707	op->owner = 0; // its his/hers now. period.
1927	op->map = NULL;	1708	op->map = 0;
1928	op->env = where;	1709	op->env = this;
1929	op->above = NULL;	1710	op->above = 0;
1930	op->below = NULL;	1711	op->below = 0;
1931	op->x = 0, op->y = 0;	1712	op->x = op->y = 0;
1932		1713
1933	/* reset the light list and los of the players on the map */	1714	/* reset the light list and los of the players on the map */
1934	if ((op->glow_radius != 0) && where->map)	1715	if (op->glow_radius && map)
1935	{	1716	{
1936	#ifdef DEBUG_LIGHTS	1717	#ifdef DEBUG_LIGHTS
1937	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1718	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1938	#endif /* DEBUG_LIGHTS */	1719	#endif /* DEBUG_LIGHTS */
1939	if (MAP_DARKNESS (where->map))	1720	if (map->darkness)
1940	update_all_los (where->map, where->x, where->y);	1721	update_all_los (map, x, y);
1941	}	1722	}
1942		1723
1943	/* Client has no idea of ordering so lets not bother ordering it here.	1724	/* Client has no idea of ordering so lets not bother ordering it here.
1944	* It sure simplifies this function...	1725	* It sure simplifies this function...
1945	*/	1726	*/
1946	if (where->inv == NULL)	1727	if (!inv)
1947	where->inv = op;	1728	inv = op;
1948	else	1729	else
1949	{	1730	{
1950	op->below = where->inv;	1731	op->below = inv;
1951	op->below->above = op;	1732	op->below->above = op;
1952	where->inv = op;	1733	inv = op;
1953	}	1734	}
		1735
		1736	INVOKE_OBJECT (INSERT, this);
		1737
1954	return op;	1738	return op;
1955	}	1739	}
1956		1740
1957	/*	1741	/*
1958	* Checks if any objects has a move_type that matches objects	1742	* Checks if any objects has a move_type that matches objects
…		…
1972	*	1756	*
1973	* MSW 2001-07-08: Check all objects on space, not just those below	1757	* MSW 2001-07-08: Check all objects on space, not just those below
1974	* object being inserted. insert_ob_in_map may not put new objects	1758	* object being inserted. insert_ob_in_map may not put new objects
1975	* on top.	1759	* on top.
1976	*/	1760	*/
1977
1978	int	1761	int
1979	check_move_on (object *op, object *originator)	1762	check_move_on (object *op, object *originator)
1980	{	1763	{
1981	object *	1764	object *tmp;
1982	tmp;	1765	maptile *m = op->map;
1983	tag_t
1984	tag;
1985	mapstruct *
1986	m = op->map;
1987	int
1988	x = op->x, y = op->y;	1766	int x = op->x, y = op->y;
1989		1767
1990	MoveType	1768	MoveType move_on, move_slow, move_block;
1991	move_on,
1992	move_slow,
1993	move_block;
1994		1769
1995	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1770	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1996	return 0;	1771	return 0;
1997
1998	tag = op->count;
1999		1772
2000	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1773	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
2001	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1774	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
2002	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1775	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
2003		1776
…		…
2019		1792
2020	/* The objects have to be checked from top to bottom.	1793	/* The objects have to be checked from top to bottom.
2021	* Hence, we first go to the top:	1794	* Hence, we first go to the top:
2022	*/	1795	*/
2023		1796
2024	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1797	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
2025	{	1798	{
2026	/* Trim the search when we find the first other spell effect	1799	/* Trim the search when we find the first other spell effect
2027	* this helps performance so that if a space has 50 spell objects,	1800	* this helps performance so that if a space has 50 spell objects,
2028	* we don't need to check all of them.	1801	* we don't need to check all of them.
2029	*/	1802	*/
…		…
2047	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1820	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2048	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1821	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
2049	{	1822	{
2050		1823
2051	float	1824	float
2052	diff = tmp->move_slow_penalty * FABS (op->speed);	1825	diff = tmp->move_slow_penalty * fabs (op->speed);
2053		1826
2054	if (op->type == PLAYER)	1827	if (op->type == PLAYER)
2055	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1828	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
2056	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1829	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2057	diff /= 4.0;	1830	diff /= 4.0;
…		…
2064	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1837	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2065	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1838	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
2066	{	1839	{
2067	move_apply (tmp, op, originator);	1840	move_apply (tmp, op, originator);
2068		1841
2069	if (was_destroyed (op, tag))	1842	if (op->destroyed ())
2070	return 1;	1843	return 1;
2071		1844
2072	/* what the person/creature stepped onto has moved the object	1845	/* what the person/creature stepped onto has moved the object
2073	* someplace new. Don't process any further - if we did,	1846	* someplace new. Don't process any further - if we did,
2074	* have a feeling strange problems would result.	1847	* have a feeling strange problems would result.
…		…
2084	/*	1857	/*
2085	* present_arch(arch, map, x, y) searches for any objects with	1858	* present_arch(arch, map, x, y) searches for any objects with
2086	* a matching archetype at the given map and coordinates.	1859	* a matching archetype at the given map and coordinates.
2087	* The first matching object is returned, or NULL if none.	1860	* The first matching object is returned, or NULL if none.
2088	*/	1861	*/
2089
2090	object *	1862	object *
2091	present_arch (const archetype *at, mapstruct *m, int x, int y)	1863	present_arch (const archetype *at, maptile *m, int x, int y)
2092	{	1864	{
2093	object *
2094	tmp;
2095
2096	if (m == NULL || out_of_map (m, x, y))	1865	if (!m || out_of_map (m, x, y))
2097	{	1866	{
2098	LOG (llevError, "Present_arch called outside map.\n");	1867	LOG (llevError, "Present_arch called outside map.\n");
2099	return NULL;	1868	return NULL;
2100	}	1869	}
2101	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1870
		1871	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2102	if (tmp->arch == at)	1872	if (tmp->arch == at)
2103	return tmp;	1873	return tmp;
		1874
2104	return NULL;	1875	return NULL;
2105	}	1876	}
2106		1877
2107	/*	1878	/*
2108	* present(type, map, x, y) searches for any objects with	1879	* present(type, map, x, y) searches for any objects with
2109	* a matching type variable at the given map and coordinates.	1880	* a matching type variable at the given map and coordinates.
2110	* The first matching object is returned, or NULL if none.	1881	* The first matching object is returned, or NULL if none.
2111	*/	1882	*/
2112
2113	object *	1883	object *
2114	present (unsigned char type, mapstruct *m, int x, int y)	1884	present (unsigned char type, maptile *m, int x, int y)
2115	{	1885	{
2116	object *
2117	tmp;
2118
2119	if (out_of_map (m, x, y))	1886	if (out_of_map (m, x, y))
2120	{	1887	{
2121	LOG (llevError, "Present called outside map.\n");	1888	LOG (llevError, "Present called outside map.\n");
2122	return NULL;	1889	return NULL;
2123	}	1890	}
2124	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1891
		1892	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2125	if (tmp->type == type)	1893	if (tmp->type == type)
2126	return tmp;	1894	return tmp;
		1895
2127	return NULL;	1896	return NULL;
2128	}	1897	}
2129		1898
2130	/*	1899	/*
2131	* present_in_ob(type, object) searches for any objects with	1900	* present_in_ob(type, object) searches for any objects with
2132	* a matching type variable in the inventory of the given object.	1901	* a matching type variable in the inventory of the given object.
2133	* The first matching object is returned, or NULL if none.	1902	* The first matching object is returned, or NULL if none.
2134	*/	1903	*/
2135
2136	object *	1904	object *
2137	present_in_ob (unsigned char type, const object *op)	1905	present_in_ob (unsigned char type, const object *op)
2138	{	1906	{
2139	object *
2140	tmp;
2141
2142	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1907	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2143	if (tmp->type == type)	1908	if (tmp->type == type)
2144	return tmp;	1909	return tmp;
		1910
2145	return NULL;	1911	return NULL;
2146	}	1912	}
2147		1913
2148	/*	1914	/*
2149	* present_in_ob (type, str, object) searches for any objects with	1915	* present_in_ob (type, str, object) searches for any objects with
…		…
2157	* str is the string to match against. Note that we match against	1923	* str is the string to match against. Note that we match against
2158	* the object name, not the archetype name. this is so that the	1924	* the object name, not the archetype name. this is so that the
2159	* spell code can use one object type (force), but change it's name	1925	* spell code can use one object type (force), but change it's name
2160	* to be unique.	1926	* to be unique.
2161	*/	1927	*/
2162
2163	object *	1928	object *
2164	present_in_ob_by_name (int type, const char *str, const object *op)	1929	present_in_ob_by_name (int type, const char *str, const object *op)
2165	{	1930	{
2166	object *
2167	tmp;
2168
2169	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1931	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2170	{
2171	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1932	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2172	return tmp;	1933	return tmp;
2173	}	1934
2174	return NULL;	1935	return 0;
2175	}	1936	}
2176		1937
2177	/*	1938	/*
2178	* present_arch_in_ob(archetype, object) searches for any objects with	1939	* present_arch_in_ob(archetype, object) searches for any objects with
2179	* a matching archetype in the inventory of the given object.	1940	* a matching archetype in the inventory of the given object.
2180	* The first matching object is returned, or NULL if none.	1941	* The first matching object is returned, or NULL if none.
2181	*/	1942	*/
2182
2183	object *	1943	object *
2184	present_arch_in_ob (const archetype *at, const object *op)	1944	present_arch_in_ob (const archetype *at, const object *op)
2185	{	1945	{
2186	object *
2187	tmp;
2188
2189	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1946	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2190	if (tmp->arch == at)	1947	if (tmp->arch == at)
2191	return tmp;	1948	return tmp;
		1949
2192	return NULL;	1950	return NULL;
2193	}	1951	}
2194		1952
2195	/*	1953	/*
2196	* activate recursively a flag on an object inventory	1954	* activate recursively a flag on an object inventory
2197	*/	1955	*/
2198	void	1956	void
2199	flag_inv (object *op, int flag)	1957	flag_inv (object *op, int flag)
2200	{	1958	{
2201	object *
2202	tmp;
2203
2204	if (op->inv)
2205	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1959	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2206	{	1960	{
2207	SET_FLAG (tmp, flag);	1961	SET_FLAG (tmp, flag);
2208	flag_inv (tmp, flag);	1962	flag_inv (tmp, flag);
2209	}	1963	}
2210	} /*	1964	}
		1965
		1966	/*
2211	* desactivate recursively a flag on an object inventory	1967	* deactivate recursively a flag on an object inventory
2212	*/	1968	*/
2213	void	1969	void
2214	unflag_inv (object *op, int flag)	1970	unflag_inv (object *op, int flag)
2215	{	1971	{
2216	object *
2217	tmp;
2218
2219	if (op->inv)
2220	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1972	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2221	{	1973	{
2222	CLEAR_FLAG (tmp, flag);	1974	CLEAR_FLAG (tmp, flag);
2223	unflag_inv (tmp, flag);	1975	unflag_inv (tmp, flag);
2224	}	1976	}
2225	}
2226
2227	/*
2228	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2229	* all it's inventory (recursively).
2230	* If checksums are used, a player will get set_cheat called for
2231	* him/her-self and all object carried by a call to this function.
2232	*/
2233
2234	void
2235	set_cheat (object *op)
2236	{
2237	SET_FLAG (op, FLAG_WAS_WIZ);
2238	flag_inv (op, FLAG_WAS_WIZ);
2239	}	1977	}
2240		1978
2241	/*	1979	/*
2242	* find_free_spot(object, map, x, y, start, stop) will search for	1980	* find_free_spot(object, map, x, y, start, stop) will search for
2243	* a spot at the given map and coordinates which will be able to contain	1981	* a spot at the given map and coordinates which will be able to contain
…		…
2245	* to search (see the freearr_x/y[] definition).	1983	* to search (see the freearr_x/y[] definition).
2246	* It returns a random choice among the alternatives found.	1984	* It returns a random choice among the alternatives found.
2247	* start and stop are where to start relative to the free_arr array (1,9	1985	* start and stop are where to start relative to the free_arr array (1,9
2248	* does all 4 immediate directions). This returns the index into the	1986	* does all 4 immediate directions). This returns the index into the
2249	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1987	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2250	* Note - this only checks to see if there is space for the head of the
2251	* object - if it is a multispace object, this should be called for all
2252	* pieces.
2253	* Note2: This function does correctly handle tiled maps, but does not	1988	* Note: This function does correctly handle tiled maps, but does not
2254	* inform the caller. However, insert_ob_in_map will update as	1989	* inform the caller. However, insert_ob_in_map will update as
2255	* necessary, so the caller shouldn't need to do any special work.	1990	* necessary, so the caller shouldn't need to do any special work.
2256	* Note - updated to take an object instead of archetype - this is necessary	1991	* Note - updated to take an object instead of archetype - this is necessary
2257	* because arch_blocked (now ob_blocked) needs to know the movement type	1992	* because arch_blocked (now ob_blocked) needs to know the movement type
2258	* to know if the space in question will block the object. We can't use	1993	* to know if the space in question will block the object. We can't use
2259	* the archetype because that isn't correct if the monster has been	1994	* the archetype because that isn't correct if the monster has been
2260	* customized, changed states, etc.	1995	* customized, changed states, etc.
2261	*/	1996	*/
2262
2263	int	1997	int
2264	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	1998	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2265	{	1999	{
2266	int
2267	i,
2268	index = 0, flag;
2269	static int
2270	altern[SIZEOFFREE];	2000	int altern[SIZEOFFREE];
		2001	int index = 0, flag;
2271		2002
2272	for (i = start; i < stop; i++)	2003	for (int i = start; i < stop; i++)
2273	{	2004	{
2274	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2005	mapxy pos (m, x, y); pos.move (i);
2275	if (!flag)	2006
		2007	if (!pos.normalise ())
		2008	continue;
		2009
		2010	mapspace &ms = *pos;
		2011
		2012	if (ms.flags () & P_IS_ALIVE)
		2013	continue;
		2014
		2015	/* However, often
		2016	* ob doesn't have any move type (when used to place exits)
		2017	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2018	*/
		2019	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2020	{
2276	altern[index++] = i;	2021	altern [index++] = i;
		2022	continue;
		2023	}
2277		2024
2278	/* Basically, if we find a wall on a space, we cut down the search size.	2025	/* Basically, if we find a wall on a space, we cut down the search size.
2279	* In this way, we won't return spaces that are on another side of a wall.	2026	* In this way, we won't return spaces that are on another side of a wall.
2280	* This mostly work, but it cuts down the search size in all directions -	2027	* This mostly work, but it cuts down the search size in all directions -
2281	* if the space being examined only has a wall to the north and empty	2028	* if the space being examined only has a wall to the north and empty
2282	* spaces in all the other directions, this will reduce the search space	2029	* spaces in all the other directions, this will reduce the search space
2283	* to only the spaces immediately surrounding the target area, and	2030	* to only the spaces immediately surrounding the target area, and
2284	* won't look 2 spaces south of the target space.	2031	* won't look 2 spaces south of the target space.
2285	*/	2032	*/
2286	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2033	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2034	{
2287	stop = maxfree[i];	2035	stop = maxfree[i];
		2036	continue;
		2037	}
		2038
		2039	/* Note it is intentional that we check ob - the movement type of the
		2040	* head of the object should correspond for the entire object.
		2041	*/
		2042	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2043	continue;
		2044
		2045	if (ob->blocked (m, pos.x, pos.y))
		2046	continue;
		2047
		2048	altern [index++] = i;
2288	}	2049	}
		2050
2289	if (!index)	2051	if (!index)
2290	return -1;	2052	return -1;
		2053
2291	return altern[RANDOM () % index];	2054	return altern [rndm (index)];
2292	}	2055	}
2293		2056
2294	/*	2057	/*
2295	* find_first_free_spot(archetype, mapstruct, x, y) works like	2058	* find_first_free_spot(archetype, maptile, x, y) works like
2296	* find_free_spot(), but it will search max number of squares.	2059	* find_free_spot(), but it will search max number of squares.
2297	* But it will return the first available spot, not a random choice.	2060	* But it will return the first available spot, not a random choice.
2298	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2061	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2299	*/	2062	*/
2300
2301	int	2063	int
2302	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2064	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2303	{	2065	{
2304	int
2305	i;
2306
2307	for (i = 0; i < SIZEOFFREE; i++)	2066	for (int i = 0; i < SIZEOFFREE; i++)
2308	{
2309	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2067	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2310	return i;	2068	return i;
2311	}	2069
2312	return -1;	2070	return -1;
2313	}	2071	}
2314		2072
2315	/*	2073	/*
2316	* The function permute(arr, begin, end) randomly reorders the array	2074	* The function permute(arr, begin, end) randomly reorders the array
2317	* arr[begin..end-1].	2075	* arr[begin..end-1].
		2076	* now uses a fisher-yates shuffle, old permute was broken
2318	*/	2077	*/
2319	static void	2078	static void
2320	permute (int *arr, int begin, int end)	2079	permute (int *arr, int begin, int end)
2321	{	2080	{
2322	int	2081	arr += begin;
2323	i,
2324	j,
2325	tmp,
2326	len;
2327
2328	len = end - begin;	2082	end -= begin;
2329	for (i = begin; i < end; i++)
2330	{
2331	j = begin + RANDOM () % len;
2332		2083
2333	tmp = arr[i];	2084	while (--end)
2334	arr[i] = arr[j];	2085	swap (arr [end], arr [rndm (end + 1)]);
2335	arr[j] = tmp;
2336	}
2337	}	2086	}
2338		2087
2339	/* new function to make monster searching more efficient, and effective!	2088	/* new function to make monster searching more efficient, and effective!
2340	* This basically returns a randomized array (in the passed pointer) of	2089	* This basically returns a randomized array (in the passed pointer) of
2341	* the spaces to find monsters. In this way, it won't always look for	2090	* the spaces to find monsters. In this way, it won't always look for
…		…
2344	* the 3x3 area will be searched, just not in a predictable order.	2093	* the 3x3 area will be searched, just not in a predictable order.
2345	*/	2094	*/
2346	void	2095	void
2347	get_search_arr (int *search_arr)	2096	get_search_arr (int *search_arr)
2348	{	2097	{
2349	int	2098	int i;
2350	i;
2351		2099
2352	for (i = 0; i < SIZEOFFREE; i++)	2100	for (i = 0; i < SIZEOFFREE; i++)
2353	{
2354	search_arr[i] = i;	2101	search_arr[i] = i;
2355	}
2356		2102
2357	permute (search_arr, 1, SIZEOFFREE1 + 1);	2103	permute (search_arr, 1, SIZEOFFREE1 + 1);
2358	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2104	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2359	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2105	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2360	}	2106	}
…		…
2369	* Perhaps incorrectly, but I'm making the assumption that exclude	2115	* Perhaps incorrectly, but I'm making the assumption that exclude
2370	* is actually want is going to try and move there. We need this info	2116	* is actually want is going to try and move there. We need this info
2371	* because we have to know what movement the thing looking to move	2117	* because we have to know what movement the thing looking to move
2372	* there is capable of.	2118	* there is capable of.
2373	*/	2119	*/
2374
2375	int	2120	int
2376	find_dir (mapstruct *m, int x, int y, object *exclude)	2121	find_dir (maptile *m, int x, int y, object *exclude)
2377	{	2122	{
2378	int
2379	i,
2380	max = SIZEOFFREE, mflags;	2123	int i, max = SIZEOFFREE, mflags;
2381		2124
2382	sint16 nx, ny;	2125	sint16 nx, ny;
2383	object *	2126	object *tmp;
2384	tmp;	2127	maptile *mp;
2385	mapstruct *
2386	mp;
2387		2128
2388	MoveType blocked, move_type;	2129	MoveType blocked, move_type;
2389		2130
2390	if (exclude && exclude->head)	2131	if (exclude && exclude->head_ () != exclude)
2391	{	2132	{
2392	exclude = exclude->head;	2133	exclude = exclude->head;
2393	move_type = exclude->move_type;	2134	move_type = exclude->move_type;
2394	}	2135	}
2395	else	2136	else
…		…
2403	mp = m;	2144	mp = m;
2404	nx = x + freearr_x[i];	2145	nx = x + freearr_x[i];
2405	ny = y + freearr_y[i];	2146	ny = y + freearr_y[i];
2406		2147
2407	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2148	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2149
2408	if (mflags & P_OUT_OF_MAP)	2150	if (mflags & P_OUT_OF_MAP)
2409	{
2410	max = maxfree[i];	2151	max = maxfree[i];
2411	}
2412	else	2152	else
2413	{	2153	{
2414	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2154	mapspace &ms = mp->at (nx, ny);
		2155
		2156	blocked = ms.move_block;
2415		2157
2416	if ((move_type & blocked) == move_type)	2158	if ((move_type & blocked) == move_type)
2417	{
2418	max = maxfree[i];	2159	max = maxfree[i];
2419	}
2420	else if (mflags & P_IS_ALIVE)	2160	else if (mflags & P_IS_ALIVE)
2421	{	2161	{
2422	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2162	for (tmp = ms.bot; tmp; tmp = tmp->above)
2423	{	2163	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2424	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2164	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2425	{
2426	break;	2165	break;
2427	}	2166
2428	}
2429	if (tmp)	2167	if (tmp)
2430	{
2431	return freedir[i];	2168	return freedir[i];
2432	}
2433	}	2169	}
2434	}	2170	}
2435	}	2171	}
		2172
2436	return 0;	2173	return 0;
2437	}	2174	}
2438		2175
2439	/*	2176	/*
2440	* distance(object 1, object 2) will return the square of the	2177	* distance(object 1, object 2) will return the square of the
2441	* distance between the two given objects.	2178	* distance between the two given objects.
2442	*/	2179	*/
2443
2444	int	2180	int
2445	distance (const object *ob1, const object *ob2)	2181	distance (const object *ob1, const object *ob2)
2446	{	2182	{
2447	int
2448	i;
2449
2450	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2183	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2451	return i;
2452	}	2184	}
2453		2185
2454	/*	2186	/*
2455	* find_dir_2(delta-x,delta-y) will return a direction in which	2187	* find_dir_2(delta-x,delta-y) will return a direction in which
2456	* an object which has subtracted the x and y coordinates of another	2188	* an object which has subtracted the x and y coordinates of another
2457	* object, needs to travel toward it.	2189	* object, needs to travel toward it.
2458	*/	2190	*/
2459
2460	int	2191	int
2461	find_dir_2 (int x, int y)	2192	find_dir_2 (int x, int y)
2462	{	2193	{
2463	int	2194	int q;
2464	q;
2465		2195
2466	if (y)	2196	if (y)
2467	q = x * 100 / y;	2197	q = x * 100 / y;
2468	else if (x)	2198	else if (x)
2469	q = -300 * x;	2199	q = -300 * x;
…		…
2494		2224
2495	return 3;	2225	return 3;
2496	}	2226	}
2497		2227
2498	/*	2228	/*
2499	* absdir(int): Returns a number between 1 and 8, which represent
2500	* the "absolute" direction of a number (it actually takes care of
2501	* "overflow" in previous calculations of a direction).
2502	*/
2503
2504	int
2505	absdir (int d)
2506	{
2507	while (d < 1)
2508	d += 8;
2509	while (d > 8)
2510	d -= 8;
2511	return d;
2512	}
2513
2514	/*
2515	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2229	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2516	* between two directions (which are expected to be absolute (see absdir())	2230	* between two directions (which are expected to be absolute (see absdir())
2517	*/	2231	*/
2518
2519	int	2232	int
2520	dirdiff (int dir1, int dir2)	2233	dirdiff (int dir1, int dir2)
2521	{	2234	{
2522	int	2235	int d;
2523	d;
2524		2236
2525	d = abs (dir1 - dir2);	2237	d = abs (dir1 - dir2);
2526	if (d > 4)	2238	if (d > 4)
2527	d = 8 - d;	2239	d = 8 - d;
		2240
2528	return d;	2241	return d;
2529	}	2242	}
2530		2243
2531	/* peterm:	2244	/* peterm:
2532	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2245	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2535	* This basically means that if direction is 15, then it could either go	2248	* This basically means that if direction is 15, then it could either go
2536	* direction 4, 14, or 16 to get back to where we are.	2249	* direction 4, 14, or 16 to get back to where we are.
2537	* Moved from spell_util.c to object.c with the other related direction	2250	* Moved from spell_util.c to object.c with the other related direction
2538	* functions.	2251	* functions.
2539	*/	2252	*/
2540
2541	int
2542	reduction_dir[SIZEOFFREE][3] = {	2253	int reduction_dir[SIZEOFFREE][3] = {
2543	{0, 0, 0}, /* 0 */	2254	{0, 0, 0}, /* 0 */
2544	{0, 0, 0}, /* 1 */	2255	{0, 0, 0}, /* 1 */
2545	{0, 0, 0}, /* 2 */	2256	{0, 0, 0}, /* 2 */
2546	{0, 0, 0}, /* 3 */	2257	{0, 0, 0}, /* 3 */
2547	{0, 0, 0}, /* 4 */	2258	{0, 0, 0}, /* 4 */
…		…
2595	* find a path to that monster that we found. If not,	2306	* find a path to that monster that we found. If not,
2596	* we don't bother going toward it. Returns 1 if we	2307	* we don't bother going toward it. Returns 1 if we
2597	* can see a direct way to get it	2308	* can see a direct way to get it
2598	* Modified to be map tile aware -.MSW	2309	* Modified to be map tile aware -.MSW
2599	*/	2310	*/
2600
2601
2602	int	2311	int
2603	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2312	can_see_monsterP (maptile *m, int x, int y, int dir)
2604	{	2313	{
2605	sint16 dx, dy;	2314	sint16 dx, dy;
2606	int
2607	mflags;	2315	int mflags;
2608		2316
2609	if (dir < 0)	2317	if (dir < 0)
2610	return 0; /* exit condition: invalid direction */	2318	return 0; /* exit condition: invalid direction */
2611		2319
2612	dx = x + freearr_x[dir];	2320	dx = x + freearr_x[dir];
…		…
2625	return 0;	2333	return 0;
2626		2334
2627	/* yes, can see. */	2335	/* yes, can see. */
2628	if (dir < 9)	2336	if (dir < 9)
2629	return 1;	2337	return 1;
		2338
2630	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2339	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2631	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2340	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2341	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2632	}	2342	}
2633
2634
2635		2343
2636	/*	2344	/*
2637	* can_pick(picker, item): finds out if an object is possible to be	2345	* can_pick(picker, item): finds out if an object is possible to be
2638	* picked up by the picker. Returnes 1 if it can be	2346	* picked up by the picker. Returnes 1 if it can be
2639	* picked up, otherwise 0.	2347	* picked up, otherwise 0.
…		…
2641	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2349	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2642	* core dumps if they do.	2350	* core dumps if they do.
2643	*	2351	*
2644	* Add a check so we can't pick up invisible objects (0.93.8)	2352	* Add a check so we can't pick up invisible objects (0.93.8)
2645	*/	2353	*/
2646
2647	int	2354	int
2648	can_pick (const object *who, const object *item)	2355	can_pick (const object *who, const object *item)
2649	{	2356	{
2650	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2357	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2651	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2358	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2652	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2359	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2653	}	2360	}
2654		2361
2655
2656	/*	2362	/*
2657	* create clone from object to another	2363	* create clone from object to another
2658	*/	2364	*/
2659	object *	2365	object *
2660	object_create_clone (object *asrc)	2366	object_create_clone (object *asrc)
2661	{	2367	{
2662	object *
2663	dst = NULL, *tmp, *src, *part, *prev, *item;	2368	object *dst = 0, *tmp, *src, *prev, *item;
2664		2369
2665	if (!asrc)	2370	if (!asrc)
2666	return NULL;	2371	return 0;
2667	src = asrc;	2372
2668	if (src->head)
2669	src = src->head;	2373	src = asrc->head_ ();
2670		2374
2671	prev = NULL;	2375	prev = 0;
2672	for (part = src; part; part = part->more)	2376	for (object *part = src; part; part = part->more)
2673	{	2377	{
2674	tmp = get_object ();	2378	tmp = part->clone ();
2675	copy_object (part, tmp);
2676	tmp->x -= src->x;	2379	tmp->x -= src->x;
2677	tmp->y -= src->y;	2380	tmp->y -= src->y;
		2381
2678	if (!part->head)	2382	if (!part->head)
2679	{	2383	{
2680	dst = tmp;	2384	dst = tmp;
2681	tmp->head = NULL;	2385	tmp->head = 0;
2682	}	2386	}
2683	else	2387	else
2684	{
2685	tmp->head = dst;	2388	tmp->head = dst;
2686	}	2389
2687	tmp->more = NULL;	2390	tmp->more = 0;
		2391
2688	if (prev)	2392	if (prev)
2689	prev->more = tmp;	2393	prev->more = tmp;
		2394
2690	prev = tmp;	2395	prev = tmp;
2691	}	2396	}
2692		2397
2693	/*** copy inventory ***/
2694	for (item = src->inv; item; item = item->below)	2398	for (item = src->inv; item; item = item->below)
2695	{
2696	(void) insert_ob_in_ob (object_create_clone (item), dst);	2399	insert_ob_in_ob (object_create_clone (item), dst);
2697	}
2698		2400
2699	return dst;	2401	return dst;
2700	}
2701
2702	/* return true if the object was destroyed, 0 otherwise */
2703	int
2704	was_destroyed (const object *op, tag_t old_tag)
2705	{
2706	/* checking for FLAG_FREED isn't necessary, but makes this function more
2707	* robust */
2708	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2709	}
2710
2711	/* GROS - Creates an object using a string representing its content. */
2712
2713	/* Basically, we save the content of the string to a temp file, then call */
2714
2715	/* load_object on it. I admit it is a highly inefficient way to make things, */
2716
2717	/* but it was simple to make and allows reusing the load_object function. */
2718
2719	/* Remember not to use load_object_str in a time-critical situation. */
2720
2721	/* Also remember that multiparts objects are not supported for now. */
2722
2723	object *
2724	load_object_str (const char *obstr)
2725	{
2726	object *
2727	op;
2728	char
2729	filename[MAX_BUF];
2730
2731	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2732
2733	FILE *
2734	tempfile = fopen (filename, "w");
2735
2736	if (tempfile == NULL)
2737	{
2738	LOG (llevError, "Error - Unable to access load object temp file\n");
2739	return NULL;
2740	};
2741	fprintf (tempfile, obstr);
2742	fclose (tempfile);
2743
2744	op = get_object ();
2745
2746	object_thawer thawer (filename);
2747
2748	if (thawer)
2749	load_object (thawer, op, 0);
2750
2751	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2752	CLEAR_FLAG (op, FLAG_REMOVED);
2753
2754	return op;
2755	}	2402	}
2756		2403
2757	/* This returns the first object in who's inventory that	2404	/* This returns the first object in who's inventory that
2758	* has the same type and subtype match.	2405	* has the same type and subtype match.
2759	* returns NULL if no match.	2406	* returns NULL if no match.
2760	*/	2407	*/
2761	object *	2408	object *
2762	find_obj_by_type_subtype (const object *who, int type, int subtype)	2409	find_obj_by_type_subtype (const object *who, int type, int subtype)
2763	{	2410	{
2764	object *
2765	tmp;
2766
2767	for (tmp = who->inv; tmp; tmp = tmp->below)	2411	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2768	if (tmp->type == type && tmp->subtype == subtype)	2412	if (tmp->type == type && tmp->subtype == subtype)
2769	return tmp;	2413	return tmp;
2770		2414
2771	return NULL;	2415	return 0;
2772	}	2416	}
2773		2417
2774	/* If ob has a field named key, return the link from the list,	2418	/* If ob has a field named key, return the link from the list,
2775	* otherwise return NULL.	2419	* otherwise return NULL.
2776	*	2420	*
…		…
2778	* do the desired thing.	2422	* do the desired thing.
2779	*/	2423	*/
2780	key_value *	2424	key_value *
2781	get_ob_key_link (const object *ob, const char *key)	2425	get_ob_key_link (const object *ob, const char *key)
2782	{	2426	{
2783	key_value *
2784	link;
2785
2786	for (link = ob->key_values; link != NULL; link = link->next)	2427	for (key_value *link = ob->key_values; link; link = link->next)
2787	{
2788	if (link->key == key)	2428	if (link->key == key)
2789	{
2790	return link;	2429	return link;
2791	}
2792	}
2793		2430
2794	return NULL;	2431	return 0;
2795	}	2432	}
2796		2433
2797	/*	2434	/*
2798	* Returns the value of op has an extra_field for key, or NULL.	2435	* Returns the value of op has an extra_field for key, or NULL.
2799	*	2436	*
…		…
2824	if (link->key == canonical_key)	2461	if (link->key == canonical_key)
2825	return link->value;	2462	return link->value;
2826		2463
2827	return 0;	2464	return 0;
2828	}	2465	}
2829
2830		2466
2831	/*	2467	/*
2832	* Updates the canonical_key in op to value.	2468	* Updates the canonical_key in op to value.
2833	*	2469	*
2834	* canonical_key is a shared string (value doesn't have to be).	2470	* canonical_key is a shared string (value doesn't have to be).
…		…
2839	* Returns TRUE on success.	2475	* Returns TRUE on success.
2840	*/	2476	*/
2841	int	2477	int
2842	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2478	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2843	{	2479	{
2844	key_value *
2845	field = NULL, *last = NULL;	2480	key_value *field = NULL, *last = NULL;
2846		2481
2847	for (field = op->key_values; field != NULL; field = field->next)	2482	for (field = op->key_values; field != NULL; field = field->next)
2848	{	2483	{
2849	if (field->key != canonical_key)	2484	if (field->key != canonical_key)
2850	{	2485	{
…		…
2859	/* Basically, if the archetype has this key set,	2494	/* Basically, if the archetype has this key set,
2860	* we need to store the null value so when we save	2495	* we need to store the null value so when we save
2861	* it, we save the empty value so that when we load,	2496	* it, we save the empty value so that when we load,
2862	* we get this value back again.	2497	* we get this value back again.
2863	*/	2498	*/
2864	if (get_ob_key_link (&op->arch->clone, canonical_key))	2499	if (get_ob_key_link (op->arch, canonical_key))
2865	field->value = 0;	2500	field->value = 0;
2866	else	2501	else
2867	{	2502	{
2868	if (last)	2503	if (last)
2869	last->next = field->next;	2504	last->next = field->next;
…		…
2878	/* IF we get here, key doesn't exist */	2513	/* IF we get here, key doesn't exist */
2879		2514
2880	/* No field, we'll have to add it. */	2515	/* No field, we'll have to add it. */
2881		2516
2882	if (!add_key)	2517	if (!add_key)
2883	{
2884	return FALSE;	2518	return FALSE;
2885	}	2519
2886	/* There isn't any good reason to store a null	2520	/* There isn't any good reason to store a null
2887	* value in the key/value list. If the archetype has	2521	* value in the key/value list. If the archetype has
2888	* this key, then we should also have it, so shouldn't	2522	* this key, then we should also have it, so shouldn't
2889	* be here. If user wants to store empty strings,	2523	* be here. If user wants to store empty strings,
2890	* should pass in ""	2524	* should pass in ""
…		…
2939	}	2573	}
2940	else	2574	else
2941	item = item->env;	2575	item = item->env;
2942	}	2576	}
2943		2577
		2578	const char *
		2579	object::flag_desc (char *desc, int len) const
		2580	{
		2581	char *p = desc;
		2582	bool first = true;
		2583
		2584	*p = 0;
		2585
		2586	for (int i = 0; i < NUM_FLAGS; i++)
		2587	{
		2588	if (len <= 10) // magic constant!
		2589	{
		2590	snprintf (p, len, ",...");
		2591	break;
		2592	}
		2593
		2594	if (flag [i])
		2595	{
		2596	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2597	len -= cnt;
		2598	p += cnt;
		2599	first = false;
		2600	}
		2601	}
		2602
		2603	return desc;
		2604	}
		2605
2944	// return a suitable string describing an objetc in enough detail to find it	2606	// return a suitable string describing an object in enough detail to find it
2945	const char *	2607	const char *
2946	object::debug_desc (char *info) const	2608	object::debug_desc (char *info) const
2947	{	2609	{
		2610	char flagdesc[512];
2948	char info2[256 * 3];	2611	char info2[256 * 4];
2949	char *p = info;	2612	char *p = info;
2950		2613
2951	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2614	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2952	count,	2615	count,
		2616	uuid.c_str (),
2953	&name,	2617	&name,
2954	title ? " " : "",	2618	title ? "\",title:\"" : "",
2955	title ? (const char *)title : "");	2619	title ? (const char *)title : "",
		2620	flag_desc (flagdesc, 512), type);
2956		2621
2957	if (env)	2622	if (!this->flag[FLAG_REMOVED] && env)
2958	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2623	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2959		2624
2960	if (map)	2625	if (map)
2961	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2626	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2962		2627
2963	return info;	2628	return info;
2964	}	2629	}
2965		2630
2966	const char *	2631	const char *
2967	object::debug_desc () const	2632	object::debug_desc () const
2968	{	2633	{
2969	static char info[256 * 3];	2634	static char info[3][256 * 4];
		2635	static int info_idx;
		2636
2970	return debug_desc (info);	2637	return debug_desc (info [++info_idx % 3]);
2971	}	2638	}
2972		2639
		2640	struct region *
		2641	object::region () const
		2642	{
		2643	return map ? map->region (x, y)
		2644	: region::default_region ();
		2645	}
		2646
		2647	const materialtype_t *
		2648	object::dominant_material () const
		2649	{
		2650	if (materialtype_t *mt = name_to_material (materialname))
		2651	return mt;
		2652
		2653	return name_to_material (shstr_unknown);
		2654	}
		2655
		2656	void
		2657	object::open_container (object *new_container)
		2658	{
		2659	if (container == new_container)
		2660	return;
		2661
		2662	if (object *old_container = container)
		2663	{
		2664	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2665	return;
		2666
		2667	#if 0
		2668	// remove the "Close old_container" object.
		2669	if (object *closer = old_container->inv)
		2670	if (closer->type == CLOSE_CON)
		2671	closer->destroy ();
		2672	#endif
		2673
		2674	old_container->flag [FLAG_APPLIED] = 0;
		2675	container = 0;
		2676
		2677	esrv_update_item (UPD_FLAGS, this, old_container);
		2678	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2679	play_sound (sound_find ("chest_close"));
		2680	}
		2681
		2682	if (new_container)
		2683	{
		2684	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2685	return;
		2686
		2687	// TODO: this does not seem to serve any purpose anymore?
		2688	#if 0
		2689	// insert the "Close Container" object.
		2690	if (archetype *closer = new_container->other_arch)
		2691	{
		2692	object *closer = arch_to_object (new_container->other_arch);
		2693	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2694	new_container->insert (closer);
		2695	}
		2696	#endif
		2697
		2698	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2699
		2700	new_container->flag [FLAG_APPLIED] = 1;
		2701	container = new_container;
		2702
		2703	esrv_update_item (UPD_FLAGS, this, new_container);
		2704	esrv_send_inventory (this, new_container);
		2705	play_sound (sound_find ("chest_open"));
		2706	}
		2707	}
		2708
		2709	object *
		2710	object::force_find (const shstr name)
		2711	{
		2712	/* cycle through his inventory to look for the MARK we want to
		2713	* place
		2714	*/
		2715	for (object *tmp = inv; tmp; tmp = tmp->below)
		2716	if (tmp->type == FORCE && tmp->slaying == name)
		2717	return splay (tmp);
		2718
		2719	return 0;
		2720	}
		2721
		2722	void
		2723	object::force_add (const shstr name, int duration)
		2724	{
		2725	if (object *force = force_find (name))
		2726	force->destroy ();
		2727
		2728	object *force = get_archetype (FORCE_NAME);
		2729
		2730	force->slaying = name;
		2731	force->stats.food = 1;
		2732	force->speed_left = -1.f;
		2733
		2734	force->set_speed (duration ? 1.f / duration : 0.f);
		2735	force->flag [FLAG_IS_USED_UP] = true;
		2736	force->flag [FLAG_APPLIED] = true;
		2737
		2738	insert (force);
		2739	}
		2740
		2741	void
		2742	object::play_sound (faceidx sound) const
		2743	{
		2744	if (!sound)
		2745	return;
		2746
		2747	if (flag [FLAG_REMOVED])
		2748	return;
		2749
		2750	if (env)
		2751	{
		2752	if (object *pl = in_player ())
		2753	pl->contr->play_sound (sound);
		2754	}
		2755	else
		2756	map->play_sound (sound, x, y);
		2757	}
		2758

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