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Comparing deliantra/server/common/object.C (file contents):
Revision 1.32 by root, Mon Sep 11 23:53:30 2006 UTC vs.
Revision 1.201 by root, Tue Jan 22 16:22:45 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>
34	#include <skills.h>	33	#include <sproto.h>
35	#include <loader.h>	34	#include <loader.h>
36		35
		36	#include <bitset>
		37
37	int nrofallocobjects = 0;	38	int nrofallocobjects = 0;
		39	static UUID uuid;
		40	const uint64 UUID_SKIP = 1<<19;
38		41
39	object *objects; /* Pointer to the list of used objects */	42	objectvec objects;
40	object *active_objects; /* List of active objects that need to be processed */	43	activevec actives;
41		44
42	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,	45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
43	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
44	};	47	};
45	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,	48	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,
…		…
51	int freedir[SIZEOFFREE] = {	54	int freedir[SIZEOFFREE] = {
52	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,	55	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,
53	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
54	};	57	};
55		58
		59	static void
		60	write_uuid (void)
		61	{
		62	char filename1[MAX_BUF], filename2[MAX_BUF];
		63
		64	sprintf (filename1, "%s/uuid", settings.localdir);
		65	sprintf (filename2, "%s/uuid~", settings.localdir);
		66
		67	FILE *fp;
		68
		69	if (!(fp = fopen (filename2, "w")))
		70	{
		71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
		72	return;
		73	}
		74
		75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
		76	fclose (fp);
		77	rename (filename2, filename1);
		78	}
		79
		80	static void
		81	read_uuid (void)
		82	{
		83	char filename[MAX_BUF];
		84
		85	sprintf (filename, "%s/uuid", settings.localdir);
		86
		87	FILE *fp;
		88
		89	if (!(fp = fopen (filename, "r")))
		90	{
		91	if (errno == ENOENT)
		92	{
		93	LOG (llevInfo, "RESET uid to 1\n");
		94	uuid.seq = 0;
		95	write_uuid ();
		96	return;
		97	}
		98
		99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
		100	_exit (1);
		101	}
		102
		103	int version;
		104	unsigned long long uid;
		105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)
		106	{
		107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);
		108	_exit (1);
		109	}
		110
		111	uuid.seq = uid;
		112	write_uuid ();
		113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
		114	fclose (fp);
		115	}
		116
		117	UUID
		118	gen_uuid ()
		119	{
		120	UUID uid;
		121
		122	uid.seq = ++uuid.seq;
		123
		124	if (!(uuid.seq & (UUID_SKIP - 1)))
		125	write_uuid ();
		126
		127	return uid;
		128	}
		129
		130	void
		131	init_uuid ()
		132	{
		133	read_uuid ();
		134	}
		135
56	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
57	static int	137	static int
58	compare_ob_value_lists_one (const object *wants, const object *has)	138	compare_ob_value_lists_one (const object *wants, const object *has)
59	{	139	{
60	key_value *wants_field;	140	key_value *wants_field;
…		…
63	* objects with lists are rare, and lists stay short. If not, use a	143	* objects with lists are rare, and lists stay short. If not, use a
64	* different structure or at least keep the lists sorted...	144	* different structure or at least keep the lists sorted...
65	*/	145	*/
66		146
67	/* For each field in wants, */	147	/* For each field in wants, */
68	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
69	{	149	{
70	key_value *has_field;	150	key_value *has_field;
71		151
72	/* Look for a field in has with the same key. */	152	/* Look for a field in has with the same key. */
73	has_field = get_ob_key_link (has, wants_field->key);	153	has_field = get_ob_key_link (has, wants_field->key);
…		…
107	*	187	*
108	* Note that this function appears a lot longer than the macro it	188	* Note that this function appears a lot longer than the macro it
109	* replaces - this is mostly for clarity - a decent compiler should hopefully	189	* replaces - this is mostly for clarity - a decent compiler should hopefully
110	* reduce this to the same efficiency.	190	* reduce this to the same efficiency.
111	*	191	*
112	* Check nrof variable *before* calling CAN_MERGE()	192	* Check nrof variable *before* calling can_merge()
113	*	193	*
114	* Improvements made with merge: Better checking on potion, and also	194	* Improvements made with merge: Better checking on potion, and also
115	* check weight	195	* check weight
116	*/	196	*/
117
118	bool object::can_merge (object *ob1, object *ob2)	197	bool object::can_merge_slow (object *ob1, object *ob2)
119	{	198	{
120	/* A couple quicksanity checks */	199	/* A couple quicksanity checks */
121	if ((ob1 == ob2) || (ob1->type != ob2->type))	200	if (ob1 == ob2
		201	|| ob1->type != ob2->type
		202	|| ob1->speed != ob2->speed
		203	|| ob1->value != ob2->value
		204	|| ob1->name != ob2->name)
122	return 0;	205	return 0;
123		206
124	if (ob1->speed != ob2->speed)	207	//TODO: this ain't working well, use nicer and correct overflow check
125	return 0;
126
127	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
128	* value could not be stored in a sint32 (which unfortunately sometimes is	209	* value could not be stored in a sint32 (which unfortunately sometimes is
129	* used to store nrof).	210	* used to store nrof).
130	*/	211	*/
131	if (ob1->nrof + ob2->nrof >= 1UL << 31)	212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
141	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
142		223
143	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
144	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
145		226
146		227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
147	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	228	|| ob1->arch != ob2->arch
148	* being locked in inventory should prevent merging.
149	* 0x4 in flags3 is CLIENT_SENT
150	*/
151	if ((ob1->arch != ob2->arch) ||
152	(ob1->flags[0] != ob2->flags[0]) ||
153	(ob1->flags[1] != ob2->flags[1]) ||
154	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
155	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
156	(ob1->name != ob2->name) ||	229	|| ob1->name != ob2->name
157	(ob1->title != ob2->title) ||	230	|| ob1->title != ob2->title
158	(ob1->msg != ob2->msg) ||	231	|| ob1->msg != ob2->msg
159	(ob1->weight != ob2->weight) ||	232	|| ob1->weight != ob2->weight
160	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
161	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
162	(ob1->attacktype != ob2->attacktype) ||	235	|| ob1->attacktype != ob2->attacktype
163	(ob1->magic != ob2->magic) ||	236	|| ob1->magic != ob2->magic
164	(ob1->slaying != ob2->slaying) ||	237	|| ob1->slaying != ob2->slaying
165	(ob1->skill != ob2->skill) ||	238	|| ob1->skill != ob2->skill
166	(ob1->value != ob2->value) ||	239	|| ob1->value != ob2->value
167	(ob1->animation_id != ob2->animation_id) ||	240	|| ob1->animation_id != ob2->animation_id
168	(ob1->client_type != ob2->client_type) ||	241	|| ob1->client_type != ob2->client_type
169	(ob1->materialname != ob2->materialname) ||	242	|| ob1->materialname != ob2->materialname
170	(ob1->lore != ob2->lore) ||	243	|| ob1->lore != ob2->lore
171	(ob1->subtype != ob2->subtype) ||	244	|| ob1->subtype != ob2->subtype
172	(ob1->move_type != ob2->move_type) ||	245	|| ob1->move_type != ob2->move_type
173	(ob1->move_block != ob2->move_block) ||	246	|| ob1->move_block != ob2->move_block
174	(ob1->move_allow != ob2->move_allow) ||	247	|| ob1->move_allow != ob2->move_allow
175	(ob1->move_on != ob2->move_on) ||	248	|| ob1->move_on != ob2->move_on
176	(ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty))	249	|| ob1->move_off != ob2->move_off
		250	|| ob1->move_slow != ob2->move_slow
		251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
177	return 0;	252	return 0;
178		253
179	/* This is really a spellbook check - really, we should	254	/* This is really a spellbook check - really, we should
180	* check all objects in the inventory.	255	* check all objects in the inventory.
181	*/	256	*/
182	if (ob1->inv || ob2->inv)	257	if (ob1->inv || ob2->inv)
183	{	258	{
184	/* if one object has inventory but the other doesn't, not equiv */
185	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
186	return 0;
187
188	/* Now check to see if the two inventory objects could merge */
189	if (!CAN_MERGE (ob1->inv, ob2->inv))	259	if (!(ob1->inv && ob2->inv))
190	return 0;	260	return 0; /* inventories differ in length */
		261
		262	if (ob1->inv->below || ob2->inv->below)
		263	return 0; /* more than one object in inv */
		264
		265	if (!object::can_merge (ob1->inv, ob2->inv))
		266	return 0; /* inventory objexts differ */
191		267
192	/* inventory ok - still need to check rest of this object to see	268	/* inventory ok - still need to check rest of this object to see
193	* if it is valid.	269	* if it is valid.
194	*/	270	*/
195	}	271	}
…		…
203		279
204	/* Note sure why the following is the case - either the object has to	280	/* Note sure why the following is the case - either the object has to
205	* be animated or have a very low speed. Is this an attempted monster	281	* be animated or have a very low speed. Is this an attempted monster
206	* check?	282	* check?
207	*/	283	*/
208	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
209	return 0;	285	return 0;
210		286
211	switch (ob1->type)	287	switch (ob1->type)
212	{	288	{
213	case SCROLL:	289	case SCROLL:
…		…
224	return 0;	300	return 0;
225	else if (!compare_ob_value_lists (ob1, ob2))	301	else if (!compare_ob_value_lists (ob1, ob2))
226	return 0;	302	return 0;
227	}	303	}
228		304
229	//TODO: generate an event or call into perl for additional checks
230	if (ob1->self || ob2->self)	305	if (ob1->self || ob2->self)
231	{	306	{
232	ob1->optimise ();	307	ob1->optimise ();
233	ob2->optimise ();	308	ob2->optimise ();
234		309
235	if (ob1->self || ob2->self)	310	if (ob1->self || ob2->self)
		311	{
		312	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		313	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		314
		315	if (k1 != k2)
236	return 0;	316	return 0;
		317	else if (k1 == 0)
		318	return 1;
		319	else if (!cfperl_can_merge (ob1, ob2))
		320	return 0;
		321	}
237	}	322	}
238		323
239	/* Everything passes, must be OK. */	324	/* Everything passes, must be OK. */
240	return 1;	325	return 1;
241	}	326	}
…		…
249	sum_weight (object *op)	334	sum_weight (object *op)
250	{	335	{
251	long sum;	336	long sum;
252	object *inv;	337	object *inv;
253		338
254	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	339	for (sum = 0, inv = op->inv; inv; inv = inv->below)
255	{	340	{
256	if (inv->inv)	341	if (inv->inv)
257	sum_weight (inv);	342	sum_weight (inv);
		343
258	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	344	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
259	}	345	}
		346
260	if (op->type == CONTAINER && op->stats.Str)	347	if (op->type == CONTAINER && op->stats.Str)
261	sum = (sum * (100 - op->stats.Str)) / 100;	348	sum = (sum * (100 - op->stats.Str)) / 100;
		349
262	if (op->carrying != sum)	350	if (op->carrying != sum)
263	op->carrying = sum;	351	op->carrying = sum;
		352
264	return sum;	353	return sum;
265	}	354	}
266		355
267	/**	356	/**
268	* Return the outermost environment object for a given object.	357	* Return the outermost environment object for a given object.
…		…
275	op = op->env;	364	op = op->env;
276	return op;	365	return op;
277	}	366	}
278		367
279	/*	368	/*
280	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
281	* a better check. We basically keeping traversing up until we can't
282	* or find a player.
283	*/
284
285	object *
286	is_player_inv (object *op)
287	{
288	for (; op != NULL && op->type != PLAYER; op = op->env)
289	if (op->env == op)
290	op->env = NULL;
291	return op;
292	}
293
294	/*
295	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	369	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
296	* Some error messages.	370	* Some error messages.
297	* The result of the dump is stored in the static global errmsg array.	371	* The result of the dump is stored in the static global errmsg array.
298	*/	372	*/
299		373	char *
300	void
301	dump_object2 (object *op)
302	{
303	errmsg[0] = 0;
304	return;
305	//TODO//D#d#
306	#if 0
307	char *cp;
308
309	/* object *tmp;*/
310
311	if (op->arch != NULL)
312	{
313	strcat (errmsg, "arch ");
314	strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
315	strcat (errmsg, "\n");
316	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
317	strcat (errmsg, cp);
318	# if 0
319	/* Don't dump player diffs - they are too long, mostly meaningless, and
320	* will overflow the buffer.
321	* Changed so that we don't dump inventory either. This may
322	* also overflow the buffer.
323	*/
324	if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
325	strcat (errmsg, cp);
326	for (tmp = op->inv; tmp; tmp = tmp->below)
327	dump_object2 (tmp);
328	# endif
329	strcat (errmsg, "end\n");
330	}
331	else
332	{
333	strcat (errmsg, "Object ");
334	if (op->name == NULL)
335	strcat (errmsg, "(null)");
336	else
337	strcat (errmsg, op->name);
338	strcat (errmsg, "\n");
339	# if 0
340	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
341	strcat (errmsg, cp);
342	for (tmp = op->inv; tmp; tmp = tmp->below)
343	dump_object2 (tmp);
344	# endif
345	strcat (errmsg, "end\n");
346	}
347	#endif
348	}
349
350	/*
351	* Dumps an object. Returns output in the static global errmsg array.
352	*/
353
354	void
355	dump_object (object *op)	374	dump_object (object *op)
356	{	375	{
357	if (op == NULL)	376	if (!op)
358	{	377	return strdup ("[NULLOBJ]");
359	strcpy (errmsg, "[NULL pointer]");
360	return;
361	}
362	errmsg[0] = '\0';
363	dump_object2 (op);
364	}
365		378
366	void	379	object_freezer freezer;
367	dump_all_objects (void)	380	op->write (freezer);
368	{	381	return freezer.as_string ();
369	object *op;
370
371	for (op = objects; op != NULL; op = op->next)
372	{
373	dump_object (op);
374	fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
375	}
376	}	382	}
377		383
378	/*	384	/*
379	* get_nearest_part(multi-object, object 2) returns the part of the	385	* get_nearest_part(multi-object, object 2) returns the part of the
380	* multi-object 1 which is closest to the second object.	386	* multi-object 1 which is closest to the second object.
381	* If it's not a multi-object, it is returned.	387	* If it's not a multi-object, it is returned.
382	*/	388	*/
383
384	object *	389	object *
385	get_nearest_part (object *op, const object *pl)	390	get_nearest_part (object *op, const object *pl)
386	{	391	{
387	object *tmp, *closest;	392	object *tmp, *closest;
388	int last_dist, i;	393	int last_dist, i;
…		…
396	}	401	}
397		402
398	/*	403	/*
399	* Returns the object which has the count-variable equal to the argument.	404	* Returns the object which has the count-variable equal to the argument.
400	*/	405	*/
401
402	object *	406	object *
403	find_object (tag_t i)	407	find_object (tag_t i)
404	{	408	{
405	object *op;	409	for_all_objects (op)
406
407	for (op = objects; op != NULL; op = op->next)
408	if (op->count == i)	410	if (op->count == i)
409	break;
410	return op;	411	return op;
		412
		413	return 0;
411	}	414	}
412		415
413	/*	416	/*
414	* Returns the first object which has a name equal to the argument.	417	* Returns the first object which has a name equal to the argument.
415	* Used only by the patch command, but not all that useful.	418	* Used only by the patch command, but not all that useful.
416	* Enables features like "patch <name-of-other-player> food 999"	419	* Enables features like "patch <name-of-other-player> food 999"
417	*/	420	*/
418
419	object *	421	object *
420	find_object_name (const char *str)	422	find_object_name (const char *str)
421	{	423	{
422	const char *name = shstr::find (str);	424	shstr_cmp str_ (str);
423	object *op;	425	object *op;
424		426
425	for (op = objects; op != NULL; op = op->next)	427	for_all_objects (op)
426	if (&op->name == name)	428	if (op->name == str_)
427	break;	429	break;
428		430
429	return op;	431	return op;
430	}	432	}
431		433
…		…
434	{	436	{
435	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);	437	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
436	}	438	}
437		439
438	/*	440	/*
439	* Returns the object which this object marks as being the owner.
440	* A id-scheme is used to avoid pointing to objects which have been
441	* freed and are now reused. If this is detected, the owner is
442	* set to NULL, and NULL is returned.
443	* Changed 2004-02-12 - if the player is setting at the play again
444	* prompt, he is removed, and we don't want to treat him as an owner of
445	* anything, so check removed flag. I don't expect that this should break
446	* anything - once an object is removed, it is basically dead anyways.
447	*/
448	object *
449	object::get_owner ()
450	{
451	if (!owner
452	|| QUERY_FLAG (owner, FLAG_FREED)
453	|| QUERY_FLAG (owner, FLAG_REMOVED))
454	owner = 0;
455
456	return owner;
457	}
458
459	/*
460	* Sets the owner and sets the skill and exp pointers to owner's current	441	* Sets the owner and sets the skill and exp pointers to owner's current
461	* skill and experience objects.	442	* skill and experience objects.
		443	* ACTUALLY NO! investigate! TODO
462	*/	444	*/
463	void	445	void
464	object::set_owner (object *owner)	446	object::set_owner (object *owner)
465	{	447	{
		448	// allow objects which own objects
466	if (!owner)	449	if (owner)
467	return;
468
469	/* next line added to allow objects which own objects */
470	/* Add a check for ownercounts in here, as I got into an endless loop
471	* with the fireball owning a poison cloud which then owned the
472	* fireball. I believe that was caused by one of the objects getting
473	* freed and then another object replacing it. Since the ownercounts
474	* didn't match, this check is valid and I believe that cause is valid.
475	*/
476	while (owner->owner)	450	while (owner->owner)
477	owner = owner->owner;	451	owner = owner->owner;
		452
		453	if (flag [FLAG_FREED])
		454	{
		455	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		456	return;
		457	}
478		458
479	this->owner = owner;	459	this->owner = owner;
		460	}
		461
		462	int
		463	object::slottype () const
		464	{
		465	if (type == SKILL)
		466	{
		467	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		468	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		469	}
		470	else
		471	{
		472	if (slot [body_combat].info) return slot_combat;
		473	if (slot [body_range ].info) return slot_ranged;
		474	}
		475
		476	return slot_none;
		477	}
		478
		479	bool
		480	object::change_weapon (object *ob)
		481	{
		482	if (current_weapon == ob)
		483	return true;
		484
		485	if (chosen_skill)
		486	chosen_skill->flag [FLAG_APPLIED] = false;
		487
		488	current_weapon = ob;
		489	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		490
		491	if (chosen_skill)
		492	chosen_skill->flag [FLAG_APPLIED] = true;
		493
		494	update_stats ();
		495
		496	if (ob)
		497	{
		498	// now check wether any body locations became invalid, in which case
		499	// we cannot apply the weapon at the moment.
		500	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		501	if (slot[i].used < 0)
		502	{
		503	current_weapon = chosen_skill = 0;
		504	update_stats ();
		505
		506	new_draw_info_format (NDI_UNIQUE, 0, this,
		507	"You try to balance all your items at once, "
		508	"but the %s is just too much for your body. "
		509	"[You need to unapply some items first.]", &ob->name);
		510	return false;
		511	}
		512
		513	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		514	}
		515	else
		516	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		517
		518	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		519	{
		520	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		521	&name, ob->debug_desc ());
		522	return false;
		523	}
		524
		525	return true;
480	}	526	}
481		527
482	/* Zero the key_values on op, decrementing the shared-string	528	/* Zero the key_values on op, decrementing the shared-string
483	* refcounts and freeing the links.	529	* refcounts and freeing the links.
484	*/	530	*/
485	static void	531	static void
486	free_key_values (object *op)	532	free_key_values (object *op)
487	{	533	{
488	for (key_value *i = op->key_values; i != 0;)	534	for (key_value *i = op->key_values; i; )
489	{	535	{
490	key_value *next = i->next;	536	key_value *next = i->next;
491	delete i;	537	delete i;
492		538
493	i = next;	539	i = next;
494	}	540	}
495		541
496	op->key_values = 0;	542	op->key_values = 0;
497	}	543	}
498		544
499	void object::clear ()	545	object &
		546	object::operator =(const object &src)
500	{	547	{
501	attachable_base::clear ();	548	bool is_freed = flag [FLAG_FREED];
		549	bool is_removed = flag [FLAG_REMOVED];
502		550
503	free_key_values (this);	551	*(object_copy *)this = src;
504		552
505	owner = 0;	553	flag [FLAG_FREED] = is_freed;
506	name = 0;	554	flag [FLAG_REMOVED] = is_removed;
507	name_pl = 0;
508	title = 0;
509	race = 0;
510	slaying = 0;
511	skill = 0;
512	msg = 0;
513	lore = 0;
514	custom_name = 0;
515	materialname = 0;
516	contr = 0;
517	below = 0;
518	above = 0;
519	inv = 0;
520	container = 0;
521	env = 0;
522	more = 0;
523	head = 0;
524	map = 0;
525	active_next = 0;
526	active_prev = 0;
527
528	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
529
530	SET_FLAG (this, FLAG_REMOVED);
531
532	/* What is not cleared is next, prev, and count */
533
534	expmul = 1.0;
535	face = blank_face;
536	attacked_by_count = -1;
537
538	if (settings.casting_time)
539	casting_time = -1;
540	}
541
542	void object::clone (object *destination)
543	{
544	*(object_copy *)destination = *this;
545	*(object_pod *)destination = *this;
546
547	if (self || cb)
548	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
549	}
550
551	/*
552	* copy object first frees everything allocated by the second object,
553	* and then copies the contends of the first object into the second
554	* object, allocating what needs to be allocated. Basically, any
555	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
556	* if the first object is freed, the pointers in the new object
557	* will point at garbage.
558	*/
559	void
560	copy_object (object *op2, object *op)
561	{
562	bool is_freed = QUERY_FLAG (op, FLAG_FREED);
563	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
564
565	op2->clone (op);
566
567	if (is_freed)
568	SET_FLAG (op, FLAG_FREED);
569	if (is_removed)
570	SET_FLAG (op, FLAG_REMOVED);
571
572	if (op2->speed < 0)
573	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
574		555
575	/* Copy over key_values, if any. */	556	/* Copy over key_values, if any. */
576	if (op2->key_values)	557	if (src.key_values)
577	{	558	{
578	key_value *tail = 0;	559	key_value *tail = 0;
579	key_value *i;
580
581	op->key_values = 0;	560	key_values = 0;
582		561
583	for (i = op2->key_values; i; i = i->next)	562	for (key_value *i = src.key_values; i; i = i->next)
584	{	563	{
585	key_value *new_link = new key_value;	564	key_value *new_link = new key_value;
586		565
587	new_link->next = 0;	566	new_link->next = 0;
588	new_link->key = i->key;	567	new_link->key = i->key;
589	new_link->value = i->value;	568	new_link->value = i->value;
590		569
591	/* Try and be clever here, too. */	570	/* Try and be clever here, too. */
592	if (!op->key_values)	571	if (!key_values)
593	{	572	{
594	op->key_values = new_link;	573	key_values = new_link;
595	tail = new_link;	574	tail = new_link;
596	}	575	}
597	else	576	else
598	{	577	{
599	tail->next = new_link;	578	tail->next = new_link;
600	tail = new_link;	579	tail = new_link;
601	}	580	}
602	}	581	}
603	}	582	}
		583	}
604		584
605	update_ob_speed (op);	585	/*
		586	* copy_to first frees everything allocated by the dst object,
		587	* and then copies the contents of itself into the second
		588	* object, allocating what needs to be allocated. Basically, any
		589	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		590	* if the first object is freed, the pointers in the new object
		591	* will point at garbage.
		592	*/
		593	void
		594	object::copy_to (object *dst)
		595	{
		596	*dst = *this;
		597
		598	if (speed < 0)
		599	dst->speed_left -= rndm ();
		600
		601	dst->set_speed (dst->speed);
		602	}
		603
		604	void
		605	object::instantiate ()
		606	{
		607	if (!uuid.seq) // HACK
		608	uuid = gen_uuid ();
		609
		610	speed_left = -0.1f;
		611	/* copy the body_info to the body_used - this is only really
		612	* need for monsters, but doesn't hurt to do it for everything.
		613	* by doing so, when a monster is created, it has good starting
		614	* values for the body_used info, so when items are created
		615	* for it, they can be properly equipped.
		616	*/
		617	for (int i = NUM_BODY_LOCATIONS; i--; )
		618	slot[i].used = slot[i].info;
		619
		620	attachable::instantiate ();
		621	}
		622
		623	object *
		624	object::clone ()
		625	{
		626	object *neu = create ();
		627	copy_to (neu);
		628	return neu;
606	}	629	}
607		630
608	/*	631	/*
609	* If an object with the IS_TURNABLE() flag needs to be turned due	632	* If an object with the IS_TURNABLE() flag needs to be turned due
610	* to the closest player being on the other side, this function can	633	* to the closest player being on the other side, this function can
611	* be called to update the face variable, _and_ how it looks on the map.	634	* be called to update the face variable, _and_ how it looks on the map.
612	*/	635	*/
613
614	void	636	void
615	update_turn_face (object *op)	637	update_turn_face (object *op)
616	{	638	{
617	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	639	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
618	return;	640	return;
		641
619	SET_ANIMATION (op, op->direction);	642	SET_ANIMATION (op, op->direction);
620	update_object (op, UP_OBJ_FACE);	643	update_object (op, UP_OBJ_FACE);
621	}	644	}
622		645
623	/*	646	/*
624	* Updates the speed of an object. If the speed changes from 0 to another	647	* Updates the speed of an object. If the speed changes from 0 to another
625	* value, or vice versa, then add/remove the object from the active list.	648	* value, or vice versa, then add/remove the object from the active list.
626	* This function needs to be called whenever the speed of an object changes.	649	* This function needs to be called whenever the speed of an object changes.
627	*/	650	*/
628	void	651	void
629	update_ob_speed (object *op)	652	object::set_speed (float speed)
630	{	653	{
631	extern int arch_init;	654	if (flag [FLAG_FREED] && speed)
632
633	/* No reason putting the archetypes objects on the speed list,
634	* since they never really need to be updated.
635	*/
636
637	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
638	{	655	{
639	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	656	LOG (llevError, "Object %s is freed but has speed.\n", &name);
640	#ifdef MANY_CORES
641	abort ();
642	#else
643	op->speed = 0;	657	speed = 0;
644	#endif
645	}
646
647	if (arch_init)
648	return;
649
650	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
651	{	658	}
652	/* If already on active list, don't do anything */
653	if (op->active_next || op->active_prev || op == active_objects)
654	return;
655		659
656	/* process_events() expects us to insert the object at the beginning	660	this->speed = speed;
657	* of the list. */
658	op->active_next = active_objects;
659		661
660	if (op->active_next != NULL)	662	if (has_active_speed ())
661	op->active_next->active_prev = op;	663	activate ();
662
663	active_objects = op;
664	}
665	else	664	else
666	{	665	deactivate ();
667	/* If not on the active list, nothing needs to be done */
668	if (!op->active_next && !op->active_prev && op != active_objects)
669	return;
670
671	if (op->active_prev == NULL)
672	{
673	active_objects = op->active_next;
674
675	if (op->active_next != NULL)
676	op->active_next->active_prev = NULL;
677	}
678	else
679	{
680	op->active_prev->active_next = op->active_next;
681
682	if (op->active_next)
683	op->active_next->active_prev = op->active_prev;
684	}
685
686	op->active_next = NULL;
687	op->active_prev = NULL;
688	}
689	}	666	}
690		667
691	/* This function removes object 'op' from the list of active
692	* objects.
693	* This should only be used for style maps or other such
694	* reference maps where you don't want an object that isn't
695	* in play chewing up cpu time getting processed.
696	* The reverse of this is to call update_ob_speed, which
697	* will do the right thing based on the speed of the object.
698	*/
699	void
700	remove_from_active_list (object *op)
701	{
702	/* If not on the active list, nothing needs to be done */
703	if (!op->active_next && !op->active_prev && op != active_objects)
704	return;
705
706	if (op->active_prev == NULL)
707	{
708	active_objects = op->active_next;
709	if (op->active_next != NULL)
710	op->active_next->active_prev = NULL;
711	}
712	else
713	{
714	op->active_prev->active_next = op->active_next;
715	if (op->active_next)
716	op->active_next->active_prev = op->active_prev;
717	}
718	op->active_next = NULL;
719	op->active_prev = NULL;
720	}
721
722	/*	668	/*
723	* update_object() updates the array which represents the map.	669	* update_object() updates the the map.
724	* It takes into account invisible objects (and represent squares covered	670	* It takes into account invisible objects (and represent squares covered
725	* by invisible objects by whatever is below them (unless it's another	671	* by invisible objects by whatever is below them (unless it's another
726	* invisible object, etc...)	672	* invisible object, etc...)
727	* If the object being updated is beneath a player, the look-window	673	* If the object being updated is beneath a player, the look-window
728	* of that player is updated (this might be a suboptimal way of	674	* of that player is updated (this might be a suboptimal way of
729	* updating that window, though, since update_object() is called _often_)	675	* updating that window, though, since update_object() is called _often_)
730	*	676	*
731	* action is a hint of what the caller believes need to be done.	677	* action is a hint of what the caller believes need to be done.
732	* For example, if the only thing that has changed is the face (due to
733	* an animation), we don't need to call update_position until that actually
734	* comes into view of a player. OTOH, many other things, like addition/removal
735	* of walls or living creatures may need us to update the flags now.
736	* current action are:	678	* current action are:
737	* UP_OBJ_INSERT: op was inserted	679	* UP_OBJ_INSERT: op was inserted
738	* UP_OBJ_REMOVE: op was removed	680	* UP_OBJ_REMOVE: op was removed
739	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	681	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
740	* as that is easier than trying to look at what may have changed.	682	* as that is easier than trying to look at what may have changed.
741	* UP_OBJ_FACE: only the objects face has changed.	683	* UP_OBJ_FACE: only the objects face has changed.
742	*/	684	*/
743
744	void	685	void
745	update_object (object *op, int action)	686	update_object (object *op, int action)
746	{	687	{
747	int update_now = 0, flags;
748	MoveType move_on, move_off, move_block, move_slow;
749
750	if (op == NULL)	688	if (op == NULL)
751	{	689	{
752	/* this should never happen */	690	/* this should never happen */
753	LOG (llevDebug, "update_object() called for NULL object.\n");	691	LOG (llevDebug, "update_object() called for NULL object.\n");
754	return;	692	return;
755	}	693	}
756		694
757	if (op->env != NULL)	695	if (op->env)
758	{	696	{
759	/* Animation is currently handled by client, so nothing	697	/* Animation is currently handled by client, so nothing
760	* to do in this case.	698	* to do in this case.
761	*/	699	*/
762	return;	700	return;
…		…
767	*/	705	*/
768	if (!op->map || op->map->in_memory == MAP_SAVING)	706	if (!op->map || op->map->in_memory == MAP_SAVING)
769	return;	707	return;
770		708
771	/* make sure the object is within map boundaries */	709	/* make sure the object is within map boundaries */
772	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	710	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
773	{	711	{
774	LOG (llevError, "update_object() called for object out of map!\n");	712	LOG (llevError, "update_object() called for object out of map!\n");
775	#ifdef MANY_CORES	713	#ifdef MANY_CORES
776	abort ();	714	abort ();
777	#endif	715	#endif
778	return;	716	return;
779	}	717	}
780		718
781	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	719	mapspace &m = op->ms ();
782	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
783	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
784	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
785	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
786	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
787		720
		721	if (!(m.flags_ & P_UPTODATE))
		722	/* nop */;
788	if (action == UP_OBJ_INSERT)	723	else if (action == UP_OBJ_INSERT)
789	{	724	{
		725	// this is likely overkill, TODO: revisit (schmorp)
790	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	726	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
791	update_now = 1;
792
793	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	727	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
794	update_now = 1;	728	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
795		729	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		730	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
796	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	731	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
797	update_now = 1;
798
799	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
800	update_now = 1;
801
802	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
803	update_now = 1;
804
805	if ((move_on | op->move_on) != move_on)	732	|| (m.move_on | op->move_on ) != m.move_on
806	update_now = 1;
807
808	if ((move_off | op->move_off) != move_off)	733	|| (m.move_off | op->move_off ) != m.move_off
809	update_now = 1;	734	|| (m.move_slow | op->move_slow) != m.move_slow
810
811	/* This isn't perfect, but I don't expect a lot of objects to	735	/* This isn't perfect, but I don't expect a lot of objects to
812	* to have move_allow right now.	736	* to have move_allow right now.
813	*/	737	*/
814	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	738	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
815	update_now = 1;	739	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
816		740	m.flags_ = 0;
817	if ((move_slow | op->move_slow) != move_slow)
818	update_now = 1;
819	}	741	}
820	/* if the object is being removed, we can't make intelligent	742	/* if the object is being removed, we can't make intelligent
821	* decisions, because remove_ob can't really pass the object	743	* decisions, because remove_ob can't really pass the object
822	* that is being removed.	744	* that is being removed.
823	*/	745	*/
824	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	746	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
825	update_now = 1;	747	m.flags_ = 0;
826	else if (action == UP_OBJ_FACE)	748	else if (action == UP_OBJ_FACE)
827	/* Nothing to do for that case */ ;	749	/* Nothing to do for that case */ ;
828	else	750	else
829	LOG (llevError, "update_object called with invalid action: %d\n", action);	751	LOG (llevError, "update_object called with invalid action: %d\n", action);
830		752
831	if (update_now)
832	{
833	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
834	update_position (op->map, op->x, op->y);
835	}
836
837	if (op->more != NULL)	753	if (op->more)
838	update_object (op->more, action);	754	update_object (op->more, action);
839	}
840
841	static unordered_vector<object *> mortals;
842	static std::vector<object *> freed;
843
844	void object::free_mortals ()
845	{
846	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();)
847	if ((*i)->refcnt)
848	++i; // further delay freeing
849	else
850	{
851	freed.push_back (*i);//D
852	//delete *i;
853	mortals.erase (i);
854	}
855
856	if (mortals.size())//D
857	LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D
858	}	755	}
859		756
860	object::object ()	757	object::object ()
861	{	758	{
862	SET_FLAG (this, FLAG_REMOVED);	759	SET_FLAG (this, FLAG_REMOVED);
863		760
864	expmul = 1.0;	761	expmul = 1.0;
865	face = blank_face;	762	face = blank_face;
866	attacked_by_count = -1;
867	}	763	}
868		764
869	object::~object ()	765	object::~object ()
870	{	766	{
		767	unlink ();
		768
871	free_key_values (this);	769	free_key_values (this);
872	}	770	}
873		771
		772	static int object_count;
		773
874	void object::link ()	774	void object::link ()
875	{	775	{
		776	assert (!index);//D
		777	uuid = gen_uuid ();
876	count = ++ob_count;	778	count = ++object_count;
877		779
878	prev = 0;	780	refcnt_inc ();
879	next = objects;	781	objects.insert (this);
880
881	if (objects)
882	objects->prev = this;
883
884	objects = this;
885	}	782	}
886		783
887	void object::unlink ()	784	void object::unlink ()
888	{	785	{
889	count = 0;
890
891	/* Remove this object from the list of used objects */
892	if (prev)
893	{
894	prev->next = next;
895	prev = 0;
896	}
897
898	if (next)	786	if (!index)
899	{	787	return;
900	next->prev = prev;	788
901	next = 0;	789	objects.erase (this);
		790	refcnt_dec ();
		791	}
		792
		793	void
		794	object::activate ()
		795	{
		796	/* If already on active list, don't do anything */
		797	if (active)
		798	return;
		799
		800	if (has_active_speed ())
		801	actives.insert (this);
		802	}
		803
		804	void
		805	object::activate_recursive ()
		806	{
		807	activate ();
		808
		809	for (object *op = inv; op; op = op->below)
		810	op->activate_recursive ();
		811	}
		812
		813	/* This function removes object 'op' from the list of active
		814	* objects.
		815	* This should only be used for style maps or other such
		816	* reference maps where you don't want an object that isn't
		817	* in play chewing up cpu time getting processed.
		818	* The reverse of this is to call update_ob_speed, which
		819	* will do the right thing based on the speed of the object.
		820	*/
		821	void
		822	object::deactivate ()
		823	{
		824	/* If not on the active list, nothing needs to be done */
		825	if (!active)
		826	return;
		827
		828	actives.erase (this);
		829	}
		830
		831	void
		832	object::deactivate_recursive ()
		833	{
		834	for (object *op = inv; op; op = op->below)
		835	op->deactivate_recursive ();
		836
		837	deactivate ();
		838	}
		839
		840	void
		841	object::set_flag_inv (int flag, int value)
		842	{
		843	for (object *op = inv; op; op = op->below)
902	}	844	{
		845	op->flag [flag] = value;
		846	op->set_flag_inv (flag, value);
		847	}
		848	}
903		849
904	if (this == objects)	850	/*
905	objects = next;	851	* Remove and free all objects in the inventory of the given object.
		852	* object.c ?
		853	*/
		854	void
		855	object::destroy_inv (bool drop_to_ground)
		856	{
		857	// need to check first, because the checks below might segfault
		858	// as we might be on an invalid mapspace and crossfire code
		859	// is too buggy to ensure that the inventory is empty.
		860	// corollary: if you create arrows etc. with stuff in tis inventory,
		861	// cf will crash below with off-map x and y
		862	if (!inv)
		863	return;
		864
		865	/* Only if the space blocks everything do we not process -
		866	* if some form of movement is allowed, let objects
		867	* drop on that space.
		868	*/
		869	if (!drop_to_ground
		870	|| !map
		871	|| map->in_memory != MAP_IN_MEMORY
		872	|| map->nodrop
		873	|| ms ().move_block == MOVE_ALL)
		874	{
		875	while (inv)
		876	{
		877	inv->destroy_inv (drop_to_ground);
		878	inv->destroy ();
		879	}
		880	}
		881	else
		882	{ /* Put objects in inventory onto this space */
		883	while (inv)
		884	{
		885	object *op = inv;
		886
		887	if (op->flag [FLAG_STARTEQUIP]
		888	|| op->flag [FLAG_NO_DROP]
		889	|| op->type == RUNE
		890	|| op->type == TRAP
		891	|| op->flag [FLAG_IS_A_TEMPLATE]
		892	|| op->flag [FLAG_DESTROY_ON_DEATH])
		893	op->destroy ();
		894	else
		895	map->insert (op, x, y);
		896	}
		897	}
906	}	898	}
907		899
908	object *object::create ()	900	object *object::create ()
909	{	901	{
910	object *op;
911
912	if (freed.empty ())
913	op = new object;	902	object *op = new object;
914	else
915	{
916	// highly annoying, but the only way to get it stable right now
917	op = freed.back ();
918	freed.pop_back ();
919	op->~object ();
920	new ((void *) op) object;
921	}
922
923	op->link ();	903	op->link ();
924	return op;	904	return op;
925	}	905	}
926		906
927	/*	907	void
928	* free_object() frees everything allocated by an object, removes	908	object::do_destroy ()
929	* it from the list of used objects, and puts it on the list of
930	* free objects. The IS_FREED() flag is set in the object.
931	* The object must have been removed by remove_ob() first for
932	* this function to succeed.
933	*
934	* If free_inventory is set, free inventory as well. Else drop items in
935	* inventory to the ground.
936	*/
937	void object::free (bool free_inventory)
938	{	909	{
939	if (QUERY_FLAG (this, FLAG_FREED))	910	attachable::do_destroy ();
		911
		912	if (flag [FLAG_IS_LINKED])
		913	remove_button_link (this);
		914
		915	if (flag [FLAG_FRIENDLY])
		916	remove_friendly_object (this);
		917
		918	if (!flag [FLAG_REMOVED])
		919	remove ();
		920
		921	destroy_inv (true);
		922
		923	deactivate ();
		924	unlink ();
		925
		926	flag [FLAG_FREED] = 1;
		927
		928	// hack to ensure that freed objects still have a valid map
		929	{
		930	static maptile *freed_map; // freed objects are moved here to avoid crashes
		931
		932	if (!freed_map)
		933	{
		934	freed_map = new maptile;
		935
		936	freed_map->path = "<freed objects map>";
		937	freed_map->name = "/internal/freed_objects_map";
		938	freed_map->width = 3;
		939	freed_map->height = 3;
		940	freed_map->nodrop = 1;
		941
		942	freed_map->alloc ();
		943	freed_map->in_memory = MAP_IN_MEMORY;
		944	}
		945
		946	map = freed_map;
		947	x = 1;
		948	y = 1;
		949	}
		950
		951	if (more)
		952	{
		953	more->destroy ();
		954	more = 0;
		955	}
		956
		957	head = 0;
		958
		959	// clear those pointers that likely might cause circular references
		960	owner = 0;
		961	enemy = 0;
		962	attacked_by = 0;
		963	current_weapon = 0;
		964	}
		965
		966	void
		967	object::destroy (bool destroy_inventory)
		968	{
		969	if (destroyed ())
940	return;	970	return;
941		971
942	if (QUERY_FLAG (this, FLAG_FRIENDLY))	972	if (destroy_inventory)
943	remove_friendly_object (this);	973	destroy_inv (false);
944		974
945	if (!QUERY_FLAG (this, FLAG_REMOVED))	975	if (is_head ())
946	remove_ob (this);	976	if (sound_destroy)
		977	play_sound (sound_destroy);
		978	else if (flag [FLAG_MONSTER])
		979	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
947		980
948	SET_FLAG (this, FLAG_FREED);	981	attachable::destroy ();
949
950	if (more)
951	{
952	more->free (free_inventory);
953	more = 0;
954	}
955
956	if (inv)
957	{
958	/* Only if the space blocks everything do we not process -
959	* if some form of movement is allowed, let objects
960	* drop on that space.
961	*/
962	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
963	{
964	object *op = inv;
965
966	while (op)
967	{
968	object *tmp = op->below;
969	op->free (free_inventory);
970	op = tmp;
971	}
972	}
973	else
974	{ /* Put objects in inventory onto this space */
975	object *op = inv;
976
977	while (op)
978	{
979	object *tmp = op->below;
980
981	remove_ob (op);
982
983	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
984	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
985	free_object (op);
986	else
987	{
988	op->x = x;
989	op->y = y;
990	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
991	}
992
993	op = tmp;
994	}
995	}
996	}
997
998	owner = 0;
999
1000	/* Remove object from the active list */
1001	speed = 0;
1002	update_ob_speed (this);
1003
1004	unlink ();
1005
1006	mortals.push_back (this);
1007	}	982	}
1008		983
1009	/*	984	/*
1010	* sub_weight() recursively (outwards) subtracts a number from the	985	* sub_weight() recursively (outwards) subtracts a number from the
1011	* weight of an object (and what is carried by it's environment(s)).	986	* weight of an object (and what is carried by it's environment(s)).
1012	*/	987	*/
1013
1014	void	988	void
1015	sub_weight (object *op, signed long weight)	989	sub_weight (object *op, signed long weight)
1016	{	990	{
1017	while (op != NULL)	991	while (op != NULL)
1018	{	992	{
1019	if (op->type == CONTAINER)	993	if (op->type == CONTAINER)
1020	{
1021	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	994	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1022	}	995
1023	op->carrying -= weight;	996	op->carrying -= weight;
1024	op = op->env;	997	op = op->env;
1025	}	998	}
1026	}	999	}
1027		1000
1028	/* remove_ob(op):	1001	/* op->remove ():
1029	* This function removes the object op from the linked list of objects	1002	* This function removes the object op from the linked list of objects
1030	* which it is currently tied to. When this function is done, the	1003	* which it is currently tied to. When this function is done, the
1031	* object will have no environment. If the object previously had an	1004	* object will have no environment. If the object previously had an
1032	* environment, the x and y coordinates will be updated to	1005	* environment, the x and y coordinates will be updated to
1033	* the previous environment.	1006	* the previous environment.
1034	* Beware: This function is called from the editor as well!
1035	*/	1007	*/
1036
1037	void	1008	void
1038	remove_ob (object *op)	1009	object::do_remove ()
1039	{	1010	{
		1011	object *tmp, *last = 0;
1040	object *	1012	object *otmp;
1041	tmp, *
1042	last = NULL;
1043	object *
1044	otmp;
1045		1013
1046	tag_t
1047	tag;
1048	int
1049	check_walk_off;
1050	mapstruct *
1051	m;
1052
1053	sint16
1054	x,
1055	y;
1056
1057	if (QUERY_FLAG (op, FLAG_REMOVED))	1014	if (QUERY_FLAG (this, FLAG_REMOVED))
1058	return;	1015	return;
1059		1016
1060	SET_FLAG (op, FLAG_REMOVED);	1017	SET_FLAG (this, FLAG_REMOVED);
		1018	INVOKE_OBJECT (REMOVE, this);
1061		1019
1062	if (op->more != NULL)	1020	if (more)
1063	remove_ob (op->more);	1021	more->remove ();
1064		1022
1065	/*	1023	/*
1066	* In this case, the object to be removed is in someones	1024	* In this case, the object to be removed is in someones
1067	* inventory.	1025	* inventory.
1068	*/	1026	*/
1069	if (op->env != NULL)	1027	if (env)
1070	{	1028	{
1071	if (op->nrof)	1029	if (nrof)
1072	sub_weight (op->env, op->weight * op->nrof);	1030	sub_weight (env, weight * nrof);
1073	else	1031	else
1074	sub_weight (op->env, op->weight + op->carrying);	1032	sub_weight (env, weight + carrying);
1075		1033
1076	/* NO_FIX_PLAYER is set when a great many changes are being	1034	/* NO_FIX_PLAYER is set when a great many changes are being
1077	* made to players inventory. If set, avoiding the call	1035	* made to players inventory. If set, avoiding the call
1078	* to save cpu time.	1036	* to save cpu time.
1079	*/	1037	*/
1080	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1038	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1081	fix_player (otmp);	1039	otmp->update_stats ();
1082		1040
1083	if (op->above != NULL)	1041	if (above)
1084	op->above->below = op->below;	1042	above->below = below;
1085	else	1043	else
1086	op->env->inv = op->below;	1044	env->inv = below;
1087		1045
1088	if (op->below != NULL)	1046	if (below)
1089	op->below->above = op->above;	1047	below->above = above;
1090		1048
1091	/* we set up values so that it could be inserted into	1049	/* we set up values so that it could be inserted into
1092	* the map, but we don't actually do that - it is up	1050	* the map, but we don't actually do that - it is up
1093	* to the caller to decide what we want to do.	1051	* to the caller to decide what we want to do.
1094	*/	1052	*/
1095	op->x = op->env->x, op->y = op->env->y;	1053	x = env->x, y = env->y;
1096	op->map = op->env->map;	1054	map = env->map;
1097	op->above = NULL, op->below = NULL;	1055	above = 0, below = 0;
1098	op->env = NULL;	1056	env = 0;
1099	}	1057	}
1100	else if (op->map)	1058	else if (map)
1101	{	1059	{
1102	x = op->x;	1060	if (type == PLAYER)
1103	y = op->y;
1104	m = get_map_from_coord (op->map, &x, &y);
1105
1106	if (!m)
1107	{
1108	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1109	op->map->path, op->x, op->y);
1110	/* in old days, we used to set x and y to 0 and continue.
1111	* it seems if we get into this case, something is probablye
1112	* screwed up and should be fixed.
1113	*/
1114	abort ();
1115	}	1061	{
		1062	// leaving a spot always closes any open container on the ground
		1063	if (container && !container->env)
		1064	// this causes spurious floorbox updates, but it ensures
		1065	// that the CLOSE event is being sent.
		1066	close_container ();
1116		1067
1117	if (op->map != m)	1068	--map->players;
1118	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	1069	map->touch ();
1119	op->map->path, m->path, op->x, op->y, x, y);
1120
1121	/* Re did the following section of code - it looks like it had
1122	* lots of logic for things we no longer care about
1123	*/	1070	}
		1071
		1072	map->dirty = true;
		1073	mapspace &ms = this->ms ();
1124		1074
1125	/* link the object above us */	1075	/* link the object above us */
1126	if (op->above)	1076	if (above)
1127	op->above->below = op->below;	1077	above->below = below;
1128	else	1078	else
1129	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1079	ms.top = below; /* we were top, set new top */
1130		1080
1131	/* Relink the object below us, if there is one */	1081	/* Relink the object below us, if there is one */
1132	if (op->below)	1082	if (below)
1133	op->below->above = op->above;	1083	below->above = above;
1134	else	1084	else
1135	{	1085	{
1136	/* Nothing below, which means we need to relink map object for this space	1086	/* Nothing below, which means we need to relink map object for this space
1137	* use translated coordinates in case some oddness with map tiling is	1087	* use translated coordinates in case some oddness with map tiling is
1138	* evident	1088	* evident
1139	*/	1089	*/
1140	if (GET_MAP_OB (m, x, y) != op)	1090	if (GET_MAP_OB (map, x, y) != this)
1141	{
1142	dump_object (op);
1143	LOG (llevError,
1144	"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);	1091	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 ());
1145	dump_object (GET_MAP_OB (m, x, y));	1092
1146	LOG (llevError, "%s\n", errmsg);	1093	ms.bot = above; /* goes on above it. */
1147	}	1094	}
1148		1095
1149	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1150	}
1151
1152	op->above = 0;	1096	above = 0;
1153	op->below = 0;	1097	below = 0;
1154		1098
1155	if (op->map->in_memory == MAP_SAVING)	1099	if (map->in_memory == MAP_SAVING)
1156	return;	1100	return;
1157		1101
1158	tag = op->count;	1102	int check_walk_off = !flag [FLAG_NO_APPLY];
1159	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1160		1103
1161	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1104	if (object *pl = ms.player ())
		1105	{
		1106	if (pl->container == this)
		1107	/* If a container that the player is currently using somehow gets
		1108	* removed (most likely destroyed), update the player view
		1109	* appropriately.
		1110	*/
		1111	pl->close_container ();
		1112
		1113	pl->contr->ns->floorbox_update ();
		1114	}
		1115
		1116	for (tmp = ms.bot; tmp; tmp = tmp->above)
1162	{	1117	{
1163	/* No point updating the players look faces if he is the object	1118	/* No point updating the players look faces if he is the object
1164	* being removed.	1119	* being removed.
1165	*/	1120	*/
1166		1121
1167	if (tmp->type == PLAYER && tmp != op)	1122	/* See if object moving off should effect something */
		1123	if (check_walk_off
		1124	&& ((move_type & tmp->move_off)
		1125	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1168	{	1126	{
1169	/* If a container that the player is currently using somehow gets	1127	move_apply (tmp, this, 0);
1170	* removed (most likely destroyed), update the player view
1171	* appropriately.
1172	*/
1173	if (tmp->container == op)
1174	{
1175	CLEAR_FLAG (op, FLAG_APPLIED);
1176	tmp->container = NULL;
1177	}
1178		1128
1179	tmp->contr->socket.update_look = 1;	1129	if (destroyed ())
		1130	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1180	}	1131	}
1181		1132
1182	/* See if player moving off should effect something */
1183	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1184	{
1185	move_apply (tmp, op, NULL);
1186
1187	if (was_destroyed (op, tag))
1188	{
1189	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);
1190	}
1191	}
1192
1193	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1194
1195	if (tmp->above == tmp)
1196	tmp->above = NULL;
1197
1198	last = tmp;	1133	last = tmp;
1199	}	1134	}
1200		1135
1201	/* last == NULL of there are no objects on this space */	1136	/* last == NULL if there are no objects on this space */
		1137	//TODO: this makes little sense, why only update the topmost object?
1202	if (last == NULL)	1138	if (!last)
1203	{	1139	map->at (x, y).flags_ = 0;
1204	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1205	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1206	* those out anyways, and if there are any flags set right now, they won't
1207	* be correct anyways.
1208	*/
1209	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1210	update_position (op->map, op->x, op->y);
1211	}
1212	else	1140	else
1213	update_object (last, UP_OBJ_REMOVE);	1141	update_object (last, UP_OBJ_REMOVE);
1214		1142
1215	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1143	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1216	update_all_los (op->map, op->x, op->y);	1144	update_all_los (map, x, y);
1217	}	1145	}
1218	}	1146	}
1219		1147
1220	/*	1148	/*
1221	* merge_ob(op,top):	1149	* merge_ob(op,top):
…		…
1223	* This function goes through all objects below and including top, and	1151	* This function goes through all objects below and including top, and
1224	* merges op to the first matching object.	1152	* merges op to the first matching object.
1225	* If top is NULL, it is calculated.	1153	* If top is NULL, it is calculated.
1226	* Returns pointer to object if it succeded in the merge, otherwise NULL	1154	* Returns pointer to object if it succeded in the merge, otherwise NULL
1227	*/	1155	*/
1228
1229	object *	1156	object *
1230	merge_ob (object *op, object *top)	1157	merge_ob (object *op, object *top)
1231	{	1158	{
1232	if (!op->nrof)	1159	if (!op->nrof)
1233	return 0;	1160	return 0;
1234		1161
1235	if (top == NULL)	1162	if (!top)
1236	for (top = op; top != NULL && top->above != NULL; top = top->above);	1163	for (top = op; top && top->above; top = top->above)
		1164	;
1237		1165
1238	for (; top != NULL; top = top->below)	1166	for (; top; top = top->below)
1239	{	1167	{
1240	if (top == op)	1168	if (top == op)
1241	continue;	1169	continue;
1242	if (CAN_MERGE (op, top))	1170
		1171	if (object::can_merge (op, top))
1243	{	1172	{
1244	top->nrof += op->nrof;	1173	top->nrof += op->nrof;
1245		1174
1246	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1175	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1247	op->weight = 0; /* Don't want any adjustements now */	1176	op->weight = 0; /* Don't want any adjustements now */
1248	remove_ob (op);	1177	op->destroy ();
1249	free_object (op);
1250	return top;	1178	return top;
1251	}	1179	}
1252	}	1180	}
1253		1181
1254	return NULL;	1182	return 0;
1255	}	1183	}
1256		1184
		1185	void
		1186	object::expand_tail ()
		1187	{
		1188	if (more)
		1189	return;
		1190
		1191	object *prev = this;
		1192
		1193	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1194	{
		1195	object *op = arch_to_object (at);
		1196
		1197	op->name = name;
		1198	op->name_pl = name_pl;
		1199	op->title = title;
		1200
		1201	op->head = this;
		1202	prev->more = op;
		1203
		1204	prev = op;
		1205	}
		1206	}
		1207
1257	/*	1208	/*
1258	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1209	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1259	* job preparing multi-part monsters	1210	* job preparing multi-part monsters.
1260	*/	1211	*/
1261	object *	1212	object *
1262	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1213	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1263	{	1214	{
1264	object *tmp;
1265
1266	if (op->head)
1267	op = op->head;
1268
1269	for (tmp = op; tmp; tmp = tmp->more)	1215	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1270	{	1216	{
1271	tmp->x = x + tmp->arch->clone.x;	1217	tmp->x = x + tmp->arch->x;
1272	tmp->y = y + tmp->arch->clone.y;	1218	tmp->y = y + tmp->arch->y;
1273	}	1219	}
1274		1220
1275	return insert_ob_in_map (op, m, originator, flag);	1221	return insert_ob_in_map (op, m, originator, flag);
1276	}	1222	}
1277		1223
…		…
1293	* Return value:	1239	* Return value:
1294	* new object if 'op' was merged with other object	1240	* new object if 'op' was merged with other object
1295	* NULL if 'op' was destroyed	1241	* NULL if 'op' was destroyed
1296	* just 'op' otherwise	1242	* just 'op' otherwise
1297	*/	1243	*/
1298
1299	object *	1244	object *
1300	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1245	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1301	{	1246	{
		1247	assert (!op->flag [FLAG_FREED]);
		1248
1302	object *tmp, *top, *floor = NULL;	1249	object *top, *floor = NULL;
1303	sint16 x, y;
1304		1250
1305	if (QUERY_FLAG (op, FLAG_FREED))	1251	op->remove ();
1306	{
1307	LOG (llevError, "Trying to insert freed object!\n");
1308	return NULL;
1309	}
1310
1311	if (m == NULL)
1312	{
1313	dump_object (op);
1314	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);
1315	return op;
1316	}
1317
1318	if (out_of_map (m, op->x, op->y))
1319	{
1320	dump_object (op);
1321	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);
1322	#ifdef MANY_CORES
1323	/* Better to catch this here, as otherwise the next use of this object
1324	* is likely to cause a crash. Better to find out where it is getting
1325	* improperly inserted.
1326	*/
1327	abort ();
1328	#endif
1329	return op;
1330	}
1331
1332	if (!QUERY_FLAG (op, FLAG_REMOVED))
1333	{
1334	dump_object (op);
1335	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1336	return op;
1337	}
1338
1339	if (op->more != NULL)
1340	{
1341	/* The part may be on a different map. */
1342
1343	object *more = op->more;
1344
1345	/* We really need the caller to normalize coordinates - if
1346	* we set the map, that doesn't work if the location is within
1347	* a map and this is straddling an edge. So only if coordinate
1348	* is clear wrong do we normalize it.
1349	*/
1350	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1351	more->map = get_map_from_coord (m, &more->x, &more->y);
1352	else if (!more->map)
1353	{
1354	/* For backwards compatibility - when not dealing with tiled maps,
1355	* more->map should always point to the parent.
1356	*/
1357	more->map = m;
1358	}
1359
1360	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1361	{
1362	if (!op->head)
1363	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1364
1365	return NULL;
1366	}
1367	}
1368
1369	CLEAR_FLAG (op, FLAG_REMOVED);
1370		1252
1371	/* Ideally, the caller figures this out. However, it complicates a lot	1253	/* Ideally, the caller figures this out. However, it complicates a lot
1372	* of areas of callers (eg, anything that uses find_free_spot would now	1254	* of areas of callers (eg, anything that uses find_free_spot would now
1373	* need extra work	1255	* need extra work
1374	*/	1256	*/
1375	op->map = get_map_from_coord (m, &op->x, &op->y);	1257	if (!xy_normalise (m, op->x, op->y))
1376	x = op->x;	1258	{
1377	y = op->y;	1259	op->destroy ();
		1260	return 0;
		1261	}
		1262
		1263	if (object *more = op->more)
		1264	if (!insert_ob_in_map (more, m, originator, flag))
		1265	return 0;
		1266
		1267	CLEAR_FLAG (op, FLAG_REMOVED);
		1268
		1269	op->map = m;
		1270	mapspace &ms = op->ms ();
1378		1271
1379	/* this has to be done after we translate the coordinates.	1272	/* this has to be done after we translate the coordinates.
1380	*/	1273	*/
1381	if (op->nrof && !(flag & INS_NO_MERGE))	1274	if (op->nrof && !(flag & INS_NO_MERGE))
1382	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1275	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1383	if (CAN_MERGE (op, tmp))	1276	if (object::can_merge (op, tmp))
1384	{	1277	{
1385	op->nrof += tmp->nrof;	1278	op->nrof += tmp->nrof;
1386	remove_ob (tmp);	1279	tmp->destroy ();
1387	free_object (tmp);
1388	}	1280	}
1389		1281
1390	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1282	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1391	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1283	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1392		1284
…		…
1405	op->below = originator->below;	1297	op->below = originator->below;
1406		1298
1407	if (op->below)	1299	if (op->below)
1408	op->below->above = op;	1300	op->below->above = op;
1409	else	1301	else
1410	SET_MAP_OB (op->map, op->x, op->y, op);	1302	ms.bot = op;
1411		1303
1412	/* since *below* originator, no need to update top */	1304	/* since *below* originator, no need to update top */
1413	originator->below = op;	1305	originator->below = op;
1414	}	1306	}
1415	else	1307	else
1416	{	1308	{
		1309	top = ms.bot;
		1310
1417	/* If there are other objects, then */	1311	/* If there are other objects, then */
1418	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1312	if (top)
1419	{	1313	{
1420	object *last = NULL;	1314	object *last = 0;
1421		1315
1422	/*	1316	/*
1423	* If there are multiple objects on this space, we do some trickier handling.	1317	* If there are multiple objects on this space, we do some trickier handling.
1424	* We've already dealt with merging if appropriate.	1318	* We've already dealt with merging if appropriate.
1425	* Generally, we want to put the new object on top. But if	1319	* Generally, we want to put the new object on top. But if
…		…
1429	* once we get to them. This reduces the need to traverse over all of	1323	* once we get to them. This reduces the need to traverse over all of
1430	* them when adding another one - this saves quite a bit of cpu time	1324	* them when adding another one - this saves quite a bit of cpu time
1431	* when lots of spells are cast in one area. Currently, it is presumed	1325	* when lots of spells are cast in one area. Currently, it is presumed
1432	* that flying non pickable objects are spell objects.	1326	* that flying non pickable objects are spell objects.
1433	*/	1327	*/
1434		1328	for (top = ms.bot; top; top = top->above)
1435	while (top != NULL)
1436	{	1329	{
1437	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1330	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1438	floor = top;	1331	floor = top;
1439		1332
1440	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1333	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1443	top = top->below;	1336	top = top->below;
1444	break;	1337	break;
1445	}	1338	}
1446		1339
1447	last = top;	1340	last = top;
1448	top = top->above;
1449	}	1341	}
1450		1342
1451	/* Don't want top to be NULL, so set it to the last valid object */	1343	/* Don't want top to be NULL, so set it to the last valid object */
1452	top = last;	1344	top = last;
1453		1345
…		…
1455	* looks like instead of lots of conditions here.	1347	* looks like instead of lots of conditions here.
1456	* makes things faster, and effectively the same result.	1348	* makes things faster, and effectively the same result.
1457	*/	1349	*/
1458		1350
1459	/* Have object 'fall below' other objects that block view.	1351	/* Have object 'fall below' other objects that block view.
1460	* Unless those objects are exits, type 66	1352	* Unless those objects are exits.
1461	* If INS_ON_TOP is used, don't do this processing	1353	* If INS_ON_TOP is used, don't do this processing
1462	* Need to find the object that in fact blocks view, otherwise	1354	* Need to find the object that in fact blocks view, otherwise
1463	* stacking is a bit odd.	1355	* stacking is a bit odd.
1464	*/	1356	*/
1465	if (!(flag & INS_ON_TOP) &&	1357	if (!(flag & INS_ON_TOP)
1466	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1358	&& ms.flags () & P_BLOCKSVIEW
		1359	&& (op->face && !faces [op->face].visibility))
1467	{	1360	{
1468	for (last = top; last != floor; last = last->below)	1361	for (last = top; last != floor; last = last->below)
1469	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1362	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1470	break;	1363	break;
		1364
1471	/* Check to see if we found the object that blocks view,	1365	/* Check to see if we found the object that blocks view,
1472	* and make sure we have a below pointer for it so that	1366	* and make sure we have a below pointer for it so that
1473	* we can get inserted below this one, which requires we	1367	* we can get inserted below this one, which requires we
1474	* set top to the object below us.	1368	* set top to the object below us.
1475	*/	1369	*/
1476	if (last && last->below && last != floor)	1370	if (last && last->below && last != floor)
1477	top = last->below;	1371	top = last->below;
1478	}	1372	}
1479	} /* If objects on this space */	1373	} /* If objects on this space */
1480		1374
1481	if (flag & INS_MAP_LOAD)
1482	top = GET_MAP_TOP (op->map, op->x, op->y);
1483
1484	if (flag & INS_ABOVE_FLOOR_ONLY)	1375	if (flag & INS_ABOVE_FLOOR_ONLY)
1485	top = floor;	1376	top = floor;
1486		1377
1487	/* Top is the object that our object (op) is going to get inserted above.	1378	/* Top is the object that our object (op) is going to get inserted above.
1488	*/	1379	*/
1489		1380
1490	/* First object on this space */	1381	/* First object on this space */
1491	if (!top)	1382	if (!top)
1492	{	1383	{
1493	op->above = GET_MAP_OB (op->map, op->x, op->y);	1384	op->above = ms.bot;
1494		1385
1495	if (op->above)	1386	if (op->above)
1496	op->above->below = op;	1387	op->above->below = op;
1497		1388
1498	op->below = NULL;	1389	op->below = 0;
1499	SET_MAP_OB (op->map, op->x, op->y, op);	1390	ms.bot = op;
1500	}	1391	}
1501	else	1392	else
1502	{ /* get inserted into the stack above top */	1393	{ /* get inserted into the stack above top */
1503	op->above = top->above;	1394	op->above = top->above;
1504		1395
…		…
1507		1398
1508	op->below = top;	1399	op->below = top;
1509	top->above = op;	1400	top->above = op;
1510	}	1401	}
1511		1402
1512	if (op->above == NULL)	1403	if (!op->above)
1513	SET_MAP_TOP (op->map, op->x, op->y, op);	1404	ms.top = op;
1514	} /* else not INS_BELOW_ORIGINATOR */	1405	} /* else not INS_BELOW_ORIGINATOR */
1515		1406
1516	if (op->type == PLAYER)	1407	if (op->type == PLAYER)
		1408	{
1517	op->contr->do_los = 1;	1409	op->contr->do_los = 1;
		1410	++op->map->players;
		1411	op->map->touch ();
		1412	}
1518		1413
1519	/* If we have a floor, we know the player, if any, will be above	1414	op->map->dirty = true;
1520	* it, so save a few ticks and start from there.	1415
1521	*/	1416	if (object *pl = ms.player ())
1522	if (!(flag & INS_MAP_LOAD))	1417	pl->contr->ns->floorbox_update ();
1523	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1524	if (tmp->type == PLAYER)
1525	tmp->contr->socket.update_look = 1;
1526		1418
1527	/* If this object glows, it may affect lighting conditions that are	1419	/* If this object glows, it may affect lighting conditions that are
1528	* visible to others on this map. But update_all_los is really	1420	* visible to others on this map. But update_all_los is really
1529	* an inefficient way to do this, as it means los for all players	1421	* an inefficient way to do this, as it means los for all players
1530	* on the map will get recalculated. The players could very well	1422	* on the map will get recalculated. The players could very well
1531	* be far away from this change and not affected in any way -	1423	* be far away from this change and not affected in any way -
1532	* this should get redone to only look for players within range,	1424	* this should get redone to only look for players within range,
1533	* or just updating the P_NEED_UPDATE for spaces within this area	1425	* or just updating the P_UPTODATE for spaces within this area
1534	* of effect may be sufficient.	1426	* of effect may be sufficient.
1535	*/	1427	*/
1536	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1428	if (op->map->darkness && (op->glow_radius != 0))
1537	update_all_los (op->map, op->x, op->y);	1429	update_all_los (op->map, op->x, op->y);
1538		1430
1539	/* updates flags (blocked, alive, no magic, etc) for this map space */	1431	/* updates flags (blocked, alive, no magic, etc) for this map space */
1540	update_object (op, UP_OBJ_INSERT);	1432	update_object (op, UP_OBJ_INSERT);
1541		1433
		1434	INVOKE_OBJECT (INSERT, op);
		1435
1542	/* Don't know if moving this to the end will break anything. However,	1436	/* Don't know if moving this to the end will break anything. However,
1543	* we want to have update_look set above before calling this.	1437	* we want to have floorbox_update called before calling this.
1544	*	1438	*
1545	* check_move_on() must be after this because code called from	1439	* check_move_on() must be after this because code called from
1546	* check_move_on() depends on correct map flags (so functions like	1440	* check_move_on() depends on correct map flags (so functions like
1547	* blocked() and wall() work properly), and these flags are updated by	1441	* blocked() and wall() work properly), and these flags are updated by
1548	* update_object().	1442	* update_object().
1549	*/	1443	*/
1550		1444
1551	/* if this is not the head or flag has been passed, don't check walk on status */	1445	/* if this is not the head or flag has been passed, don't check walk on status */
1552	if (!(flag & INS_NO_WALK_ON) && !op->head)	1446	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1553	{	1447	{
1554	if (check_move_on (op, originator))	1448	if (check_move_on (op, originator))
1555	return NULL;	1449	return 0;
1556		1450
1557	/* If we are a multi part object, lets work our way through the check	1451	/* If we are a multi part object, lets work our way through the check
1558	* walk on's.	1452	* walk on's.
1559	*/	1453	*/
1560	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1454	for (object *tmp = op->more; tmp; tmp = tmp->more)
1561	if (check_move_on (tmp, originator))	1455	if (check_move_on (tmp, originator))
1562	return NULL;	1456	return 0;
1563	}	1457	}
1564		1458
1565	return op;	1459	return op;
1566	}	1460	}
1567		1461
1568	/* this function inserts an object in the map, but if it	1462	/* this function inserts an object in the map, but if it
1569	* finds an object of its own type, it'll remove that one first.	1463	* finds an object of its own type, it'll remove that one first.
1570	* op is the object to insert it under: supplies x and the map.	1464	* op is the object to insert it under: supplies x and the map.
1571	*/	1465	*/
1572	void	1466	void
1573	replace_insert_ob_in_map (const char *arch_string, object *op)	1467	replace_insert_ob_in_map (const char *arch_string, object *op)
1574	{	1468	{
1575	object *	1469	object *tmp, *tmp1;
1576	tmp;
1577	object *
1578	tmp1;
1579		1470
1580	/* first search for itself and remove any old instances */	1471	/* first search for itself and remove any old instances */
1581		1472
1582	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1473	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1583	{
1584	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1474	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1585	{	1475	tmp->destroy ();
1586	remove_ob (tmp);
1587	free_object (tmp);
1588	}
1589	}
1590		1476
1591	tmp1 = arch_to_object (find_archetype (arch_string));	1477	tmp1 = arch_to_object (archetype::find (arch_string));
1592		1478
1593	tmp1->x = op->x;	1479	tmp1->x = op->x;
1594	tmp1->y = op->y;	1480	tmp1->y = op->y;
1595	insert_ob_in_map (tmp1, op->map, op, 0);	1481	insert_ob_in_map (tmp1, op->map, op, 0);
		1482	}
		1483
		1484	object *
		1485	object::insert_at (object *where, object *originator, int flags)
		1486	{
		1487	return where->map->insert (this, where->x, where->y, originator, flags);
1596	}	1488	}
1597		1489
1598	/*	1490	/*
1599	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1491	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1600	* is returned contains nr objects, and the remaining parts contains	1492	* is returned contains nr objects, and the remaining parts contains
1601	* the rest (or is removed and freed if that number is 0).	1493	* the rest (or is removed and freed if that number is 0).
1602	* On failure, NULL is returned, and the reason put into the	1494	* On failure, NULL is returned, and the reason put into the
1603	* global static errmsg array.	1495	* global static errmsg array.
1604	*/	1496	*/
1605
1606	object *	1497	object *
1607	get_split_ob (object *orig_ob, uint32 nr)	1498	get_split_ob (object *orig_ob, uint32 nr)
1608	{	1499	{
1609	object *	1500	object *newob;
1610	newob;
1611	int
1612	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1501	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1613		1502
1614	if (orig_ob->nrof < nr)	1503	if (orig_ob->nrof < nr)
1615	{	1504	{
1616	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1505	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1617	return NULL;	1506	return NULL;
1618	}	1507	}
1619		1508
1620	newob = object_create_clone (orig_ob);	1509	newob = object_create_clone (orig_ob);
1621		1510
1622	if ((orig_ob->nrof -= nr) < 1)	1511	if ((orig_ob->nrof -= nr) < 1)
1623	{	1512	orig_ob->destroy (1);
1624	if (!is_removed)
1625	remove_ob (orig_ob);
1626	free_object2 (orig_ob, 1);
1627	}
1628	else if (!is_removed)	1513	else if (!is_removed)
1629	{	1514	{
1630	if (orig_ob->env != NULL)	1515	if (orig_ob->env != NULL)
1631	sub_weight (orig_ob->env, orig_ob->weight * nr);	1516	sub_weight (orig_ob->env, orig_ob->weight * nr);
1632	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1517	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1647	* the amount of an object. If the amount reaches 0, the object	1532	* the amount of an object. If the amount reaches 0, the object
1648	* is subsequently removed and freed.	1533	* is subsequently removed and freed.
1649	*	1534	*
1650	* Return value: 'op' if something is left, NULL if the amount reached 0	1535	* Return value: 'op' if something is left, NULL if the amount reached 0
1651	*/	1536	*/
1652
1653	object *	1537	object *
1654	decrease_ob_nr (object *op, uint32 i)	1538	decrease_ob_nr (object *op, uint32 i)
1655	{	1539	{
1656	object *tmp;	1540	object *tmp;
1657	player *pl;
1658		1541
1659	if (i == 0) /* objects with op->nrof require this check */	1542	if (i == 0) /* objects with op->nrof require this check */
1660	return op;	1543	return op;
1661		1544
1662	if (i > op->nrof)	1545	if (i > op->nrof)
1663	i = op->nrof;	1546	i = op->nrof;
1664		1547
1665	if (QUERY_FLAG (op, FLAG_REMOVED))	1548	if (QUERY_FLAG (op, FLAG_REMOVED))
1666	op->nrof -= i;	1549	op->nrof -= i;
1667	else if (op->env != NULL)	1550	else if (op->env)
1668	{	1551	{
1669	/* is this object in the players inventory, or sub container	1552	/* is this object in the players inventory, or sub container
1670	* therein?	1553	* therein?
1671	*/	1554	*/
1672	tmp = is_player_inv (op->env);	1555	tmp = op->in_player ();
1673	/* nope. Is this a container the player has opened?	1556	/* nope. Is this a container the player has opened?
1674	* If so, set tmp to that player.	1557	* If so, set tmp to that player.
1675	* IMO, searching through all the players will mostly	1558	* IMO, searching through all the players will mostly
1676	* likely be quicker than following op->env to the map,	1559	* likely be quicker than following op->env to the map,
1677	* and then searching the map for a player.	1560	* and then searching the map for a player.
1678	*/	1561	*/
1679	if (!tmp)	1562	if (!tmp)
1680	{	1563	for_all_players (pl)
1681	for (pl = first_player; pl; pl = pl->next)
1682	if (pl->ob->container == op->env)	1564	if (pl->ob->container == op->env)
		1565	{
		1566	tmp = pl->ob;
1683	break;	1567	break;
1684	if (pl)
1685	tmp = pl->ob;
1686	else
1687	tmp = NULL;
1688	}	1568	}
1689		1569
1690	if (i < op->nrof)	1570	if (i < op->nrof)
1691	{	1571	{
1692	sub_weight (op->env, op->weight * i);	1572	sub_weight (op->env, op->weight * i);
1693	op->nrof -= i;	1573	op->nrof -= i;
1694	if (tmp)	1574	if (tmp)
1695	{
1696	esrv_send_item (tmp, op);	1575	esrv_send_item (tmp, op);
1697	}
1698	}	1576	}
1699	else	1577	else
1700	{	1578	{
1701	remove_ob (op);	1579	op->remove ();
1702	op->nrof = 0;	1580	op->nrof = 0;
1703	if (tmp)	1581	if (tmp)
1704	{
1705	esrv_del_item (tmp->contr, op->count);	1582	esrv_del_item (tmp->contr, op->count);
1706	}
1707	}	1583	}
1708	}	1584	}
1709	else	1585	else
1710	{	1586	{
1711	object *above = op->above;	1587	object *above = op->above;
1712		1588
1713	if (i < op->nrof)	1589	if (i < op->nrof)
1714	op->nrof -= i;	1590	op->nrof -= i;
1715	else	1591	else
1716	{	1592	{
1717	remove_ob (op);	1593	op->remove ();
1718	op->nrof = 0;	1594	op->nrof = 0;
1719	}	1595	}
1720		1596
1721	/* Since we just removed op, op->above is null */	1597	/* Since we just removed op, op->above is null */
1722	for (tmp = above; tmp != NULL; tmp = tmp->above)	1598	for (tmp = above; tmp; tmp = tmp->above)
1723	if (tmp->type == PLAYER)	1599	if (tmp->type == PLAYER)
1724	{	1600	{
1725	if (op->nrof)	1601	if (op->nrof)
1726	esrv_send_item (tmp, op);	1602	esrv_send_item (tmp, op);
1727	else	1603	else
…		…
1731		1607
1732	if (op->nrof)	1608	if (op->nrof)
1733	return op;	1609	return op;
1734	else	1610	else
1735	{	1611	{
1736	free_object (op);	1612	op->destroy ();
1737	return NULL;	1613	return 0;
1738	}	1614	}
1739	}	1615	}
1740		1616
1741	/*	1617	/*
1742	* add_weight(object, weight) adds the specified weight to an object,	1618	* add_weight(object, weight) adds the specified weight to an object,
1743	* and also updates how much the environment(s) is/are carrying.	1619	* and also updates how much the environment(s) is/are carrying.
1744	*/	1620	*/
1745
1746	void	1621	void
1747	add_weight (object *op, signed long weight)	1622	add_weight (object *op, signed long weight)
1748	{	1623	{
1749	while (op != NULL)	1624	while (op != NULL)
1750	{	1625	{
…		…
1754	op->carrying += weight;	1629	op->carrying += weight;
1755	op = op->env;	1630	op = op->env;
1756	}	1631	}
1757	}	1632	}
1758		1633
		1634	object *
		1635	insert_ob_in_ob (object *op, object *where)
		1636	{
		1637	if (!where)
		1638	{
		1639	char *dump = dump_object (op);
		1640	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1641	free (dump);
		1642	return op;
		1643	}
		1644
		1645	if (where->head_ () != where)
		1646	{
		1647	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1648	where = where->head;
		1649	}
		1650
		1651	return where->insert (op);
		1652	}
		1653
1759	/*	1654	/*
1760	* insert_ob_in_ob(op,environment):	1655	* env->insert (op)
1761	* This function inserts the object op in the linked list	1656	* This function inserts the object op in the linked list
1762	* inside the object environment.	1657	* inside the object environment.
1763	*	1658	*
1764	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1765	* the inventory at the last position or next to other objects of the same
1766	* type.
1767	* Frank: Now sorted by type, archetype and magic!
1768	*
1769	* The function returns now pointer to inserted item, and return value can	1659	* The function returns now pointer to inserted item, and return value can
1770	* be != op, if items are merged. -Tero	1660	* be != op, if items are merged. -Tero
1771	*/	1661	*/
1772
1773	object *	1662	object *
1774	insert_ob_in_ob (object *op, object *where)	1663	object::insert (object *op)
1775	{	1664	{
1776	object *
1777	tmp, *
1778	otmp;
1779
1780	if (!QUERY_FLAG (op, FLAG_REMOVED))	1665	if (!QUERY_FLAG (op, FLAG_REMOVED))
1781	{	1666	op->remove ();
1782	dump_object (op);
1783	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1784	return op;
1785	}
1786
1787	if (where == NULL)
1788	{
1789	dump_object (op);
1790	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1791	return op;
1792	}
1793
1794	if (where->head)
1795	{
1796	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1797	where = where->head;
1798	}
1799		1667
1800	if (op->more)	1668	if (op->more)
1801	{	1669	{
1802	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1670	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1803	return op;	1671	return op;
1804	}	1672	}
1805		1673
1806	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1674	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1807	CLEAR_FLAG (op, FLAG_REMOVED);	1675	CLEAR_FLAG (op, FLAG_REMOVED);
		1676
1808	if (op->nrof)	1677	if (op->nrof)
1809	{	1678	{
1810	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1679	for (object *tmp = inv; tmp; tmp = tmp->below)
1811	if (CAN_MERGE (tmp, op))	1680	if (object::can_merge (tmp, op))
1812	{	1681	{
1813	/* return the original object and remove inserted object	1682	/* return the original object and remove inserted object
1814	(client needs the original object) */	1683	(client needs the original object) */
1815	tmp->nrof += op->nrof;	1684	tmp->nrof += op->nrof;
1816	/* Weight handling gets pretty funky. Since we are adding to	1685	/* Weight handling gets pretty funky. Since we are adding to
1817	* tmp->nrof, we need to increase the weight.	1686	* tmp->nrof, we need to increase the weight.
1818	*/	1687	*/
1819	add_weight (where, op->weight * op->nrof);	1688	add_weight (this, op->weight * op->nrof);
1820	SET_FLAG (op, FLAG_REMOVED);	1689	SET_FLAG (op, FLAG_REMOVED);
1821	free_object (op); /* free the inserted object */	1690	op->destroy (); /* free the inserted object */
1822	op = tmp;	1691	op = tmp;
1823	remove_ob (op); /* and fix old object's links */	1692	op->remove (); /* and fix old object's links */
1824	CLEAR_FLAG (op, FLAG_REMOVED);	1693	CLEAR_FLAG (op, FLAG_REMOVED);
1825	break;	1694	break;
1826	}	1695	}
1827		1696
1828	/* I assume combined objects have no inventory	1697	/* I assume combined objects have no inventory
1829	* We add the weight - this object could have just been removed	1698	* We add the weight - this object could have just been removed
1830	* (if it was possible to merge). calling remove_ob will subtract	1699	* (if it was possible to merge). calling remove_ob will subtract
1831	* the weight, so we need to add it in again, since we actually do	1700	* the weight, so we need to add it in again, since we actually do
1832	* the linking below	1701	* the linking below
1833	*/	1702	*/
1834	add_weight (where, op->weight * op->nrof);	1703	add_weight (this, op->weight * op->nrof);
1835	}	1704	}
1836	else	1705	else
1837	add_weight (where, (op->weight + op->carrying));	1706	add_weight (this, (op->weight + op->carrying));
1838		1707
1839	otmp = is_player_inv (where);	1708	if (object *otmp = this->in_player ())
1840	if (otmp && otmp->contr != NULL)
1841	{
1842	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1709	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1843	fix_player (otmp);	1710	otmp->update_stats ();
1844	}
1845		1711
		1712	op->owner = 0; // its his/hers now. period.
1846	op->map = NULL;	1713	op->map = 0;
1847	op->env = where;	1714	op->env = this;
1848	op->above = NULL;	1715	op->above = 0;
1849	op->below = NULL;	1716	op->below = 0;
1850	op->x = 0, op->y = 0;	1717	op->x = op->y = 0;
1851		1718
1852	/* reset the light list and los of the players on the map */	1719	/* reset the light list and los of the players on the map */
1853	if ((op->glow_radius != 0) && where->map)	1720	if (op->glow_radius && map)
1854	{	1721	{
1855	#ifdef DEBUG_LIGHTS	1722	#ifdef DEBUG_LIGHTS
1856	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1723	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1857	#endif /* DEBUG_LIGHTS */	1724	#endif /* DEBUG_LIGHTS */
1858	if (MAP_DARKNESS (where->map))	1725	if (map->darkness)
1859	update_all_los (where->map, where->x, where->y);	1726	update_all_los (map, x, y);
1860	}	1727	}
1861		1728
1862	/* Client has no idea of ordering so lets not bother ordering it here.	1729	/* Client has no idea of ordering so lets not bother ordering it here.
1863	* It sure simplifies this function...	1730	* It sure simplifies this function...
1864	*/	1731	*/
1865	if (where->inv == NULL)	1732	if (!inv)
1866	where->inv = op;	1733	inv = op;
1867	else	1734	else
1868	{	1735	{
1869	op->below = where->inv;	1736	op->below = inv;
1870	op->below->above = op;	1737	op->below->above = op;
1871	where->inv = op;	1738	inv = op;
1872	}	1739	}
		1740
		1741	INVOKE_OBJECT (INSERT, this);
		1742
1873	return op;	1743	return op;
1874	}	1744	}
1875		1745
1876	/*	1746	/*
1877	* Checks if any objects has a move_type that matches objects	1747	* Checks if any objects has a move_type that matches objects
…		…
1891	*	1761	*
1892	* MSW 2001-07-08: Check all objects on space, not just those below	1762	* MSW 2001-07-08: Check all objects on space, not just those below
1893	* object being inserted. insert_ob_in_map may not put new objects	1763	* object being inserted. insert_ob_in_map may not put new objects
1894	* on top.	1764	* on top.
1895	*/	1765	*/
1896
1897	int	1766	int
1898	check_move_on (object *op, object *originator)	1767	check_move_on (object *op, object *originator)
1899	{	1768	{
1900	object *	1769	object *tmp;
1901	tmp;	1770	maptile *m = op->map;
1902	tag_t
1903	tag;
1904	mapstruct *
1905	m = op->map;
1906	int
1907	x = op->x, y = op->y;	1771	int x = op->x, y = op->y;
1908		1772
1909	MoveType	1773	MoveType move_on, move_slow, move_block;
1910	move_on,
1911	move_slow,
1912	move_block;
1913		1774
1914	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1775	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1915	return 0;	1776	return 0;
1916
1917	tag = op->count;
1918		1777
1919	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1778	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
1920	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1779	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
1921	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1780	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1922		1781
…		…
1938		1797
1939	/* The objects have to be checked from top to bottom.	1798	/* The objects have to be checked from top to bottom.
1940	* Hence, we first go to the top:	1799	* Hence, we first go to the top:
1941	*/	1800	*/
1942		1801
1943	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1802	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1944	{	1803	{
1945	/* Trim the search when we find the first other spell effect	1804	/* Trim the search when we find the first other spell effect
1946	* this helps performance so that if a space has 50 spell objects,	1805	* this helps performance so that if a space has 50 spell objects,
1947	* we don't need to check all of them.	1806	* we don't need to check all of them.
1948	*/	1807	*/
…		…
1966	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1825	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1967	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1826	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1968	{	1827	{
1969		1828
1970	float	1829	float
1971	diff = tmp->move_slow_penalty * FABS (op->speed);	1830	diff = tmp->move_slow_penalty * fabs (op->speed);
1972		1831
1973	if (op->type == PLAYER)	1832	if (op->type == PLAYER)
1974	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1833	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1975	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1834	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1976	diff /= 4.0;	1835	diff /= 4.0;
…		…
1983	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1842	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1984	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1843	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1985	{	1844	{
1986	move_apply (tmp, op, originator);	1845	move_apply (tmp, op, originator);
1987		1846
1988	if (was_destroyed (op, tag))	1847	if (op->destroyed ())
1989	return 1;	1848	return 1;
1990		1849
1991	/* what the person/creature stepped onto has moved the object	1850	/* what the person/creature stepped onto has moved the object
1992	* someplace new. Don't process any further - if we did,	1851	* someplace new. Don't process any further - if we did,
1993	* have a feeling strange problems would result.	1852	* have a feeling strange problems would result.
…		…
2003	/*	1862	/*
2004	* present_arch(arch, map, x, y) searches for any objects with	1863	* present_arch(arch, map, x, y) searches for any objects with
2005	* a matching archetype at the given map and coordinates.	1864	* a matching archetype at the given map and coordinates.
2006	* The first matching object is returned, or NULL if none.	1865	* The first matching object is returned, or NULL if none.
2007	*/	1866	*/
2008
2009	object *	1867	object *
2010	present_arch (const archetype *at, mapstruct *m, int x, int y)	1868	present_arch (const archetype *at, maptile *m, int x, int y)
2011	{	1869	{
2012	object *
2013	tmp;
2014
2015	if (m == NULL || out_of_map (m, x, y))	1870	if (!m || out_of_map (m, x, y))
2016	{	1871	{
2017	LOG (llevError, "Present_arch called outside map.\n");	1872	LOG (llevError, "Present_arch called outside map.\n");
2018	return NULL;	1873	return NULL;
2019	}	1874	}
2020	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1875
		1876	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2021	if (tmp->arch == at)	1877	if (tmp->arch == at)
2022	return tmp;	1878	return tmp;
		1879
2023	return NULL;	1880	return NULL;
2024	}	1881	}
2025		1882
2026	/*	1883	/*
2027	* present(type, map, x, y) searches for any objects with	1884	* present(type, map, x, y) searches for any objects with
2028	* a matching type variable at the given map and coordinates.	1885	* a matching type variable at the given map and coordinates.
2029	* The first matching object is returned, or NULL if none.	1886	* The first matching object is returned, or NULL if none.
2030	*/	1887	*/
2031
2032	object *	1888	object *
2033	present (unsigned char type, mapstruct *m, int x, int y)	1889	present (unsigned char type, maptile *m, int x, int y)
2034	{	1890	{
2035	object *
2036	tmp;
2037
2038	if (out_of_map (m, x, y))	1891	if (out_of_map (m, x, y))
2039	{	1892	{
2040	LOG (llevError, "Present called outside map.\n");	1893	LOG (llevError, "Present called outside map.\n");
2041	return NULL;	1894	return NULL;
2042	}	1895	}
2043	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1896
		1897	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2044	if (tmp->type == type)	1898	if (tmp->type == type)
2045	return tmp;	1899	return tmp;
		1900
2046	return NULL;	1901	return NULL;
2047	}	1902	}
2048		1903
2049	/*	1904	/*
2050	* present_in_ob(type, object) searches for any objects with	1905	* present_in_ob(type, object) searches for any objects with
2051	* a matching type variable in the inventory of the given object.	1906	* a matching type variable in the inventory of the given object.
2052	* The first matching object is returned, or NULL if none.	1907	* The first matching object is returned, or NULL if none.
2053	*/	1908	*/
2054
2055	object *	1909	object *
2056	present_in_ob (unsigned char type, const object *op)	1910	present_in_ob (unsigned char type, const object *op)
2057	{	1911	{
2058	object *
2059	tmp;
2060
2061	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1912	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2062	if (tmp->type == type)	1913	if (tmp->type == type)
2063	return tmp;	1914	return tmp;
		1915
2064	return NULL;	1916	return NULL;
2065	}	1917	}
2066		1918
2067	/*	1919	/*
2068	* present_in_ob (type, str, object) searches for any objects with	1920	* present_in_ob (type, str, object) searches for any objects with
…		…
2076	* str is the string to match against. Note that we match against	1928	* str is the string to match against. Note that we match against
2077	* the object name, not the archetype name. this is so that the	1929	* the object name, not the archetype name. this is so that the
2078	* spell code can use one object type (force), but change it's name	1930	* spell code can use one object type (force), but change it's name
2079	* to be unique.	1931	* to be unique.
2080	*/	1932	*/
2081
2082	object *	1933	object *
2083	present_in_ob_by_name (int type, const char *str, const object *op)	1934	present_in_ob_by_name (int type, const char *str, const object *op)
2084	{	1935	{
2085	object *
2086	tmp;
2087
2088	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1936	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2089	{
2090	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1937	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2091	return tmp;	1938	return tmp;
2092	}	1939
2093	return NULL;	1940	return 0;
2094	}	1941	}
2095		1942
2096	/*	1943	/*
2097	* present_arch_in_ob(archetype, object) searches for any objects with	1944	* present_arch_in_ob(archetype, object) searches for any objects with
2098	* a matching archetype in the inventory of the given object.	1945	* a matching archetype in the inventory of the given object.
2099	* The first matching object is returned, or NULL if none.	1946	* The first matching object is returned, or NULL if none.
2100	*/	1947	*/
2101
2102	object *	1948	object *
2103	present_arch_in_ob (const archetype *at, const object *op)	1949	present_arch_in_ob (const archetype *at, const object *op)
2104	{	1950	{
2105	object *
2106	tmp;
2107
2108	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1951	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2109	if (tmp->arch == at)	1952	if (tmp->arch == at)
2110	return tmp;	1953	return tmp;
		1954
2111	return NULL;	1955	return NULL;
2112	}	1956	}
2113		1957
2114	/*	1958	/*
2115	* activate recursively a flag on an object inventory	1959	* activate recursively a flag on an object inventory
2116	*/	1960	*/
2117	void	1961	void
2118	flag_inv (object *op, int flag)	1962	flag_inv (object *op, int flag)
2119	{	1963	{
2120	object *
2121	tmp;
2122
2123	if (op->inv)
2124	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1964	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2125	{	1965	{
2126	SET_FLAG (tmp, flag);	1966	SET_FLAG (tmp, flag);
2127	flag_inv (tmp, flag);	1967	flag_inv (tmp, flag);
2128	}	1968	}
2129	} /*	1969	}
		1970
		1971	/*
2130	* desactivate recursively a flag on an object inventory	1972	* deactivate recursively a flag on an object inventory
2131	*/	1973	*/
2132	void	1974	void
2133	unflag_inv (object *op, int flag)	1975	unflag_inv (object *op, int flag)
2134	{	1976	{
2135	object *
2136	tmp;
2137
2138	if (op->inv)
2139	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1977	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2140	{	1978	{
2141	CLEAR_FLAG (tmp, flag);	1979	CLEAR_FLAG (tmp, flag);
2142	unflag_inv (tmp, flag);	1980	unflag_inv (tmp, flag);
2143	}	1981	}
2144	}
2145
2146	/*
2147	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2148	* all it's inventory (recursively).
2149	* If checksums are used, a player will get set_cheat called for
2150	* him/her-self and all object carried by a call to this function.
2151	*/
2152
2153	void
2154	set_cheat (object *op)
2155	{
2156	SET_FLAG (op, FLAG_WAS_WIZ);
2157	flag_inv (op, FLAG_WAS_WIZ);
2158	}	1982	}
2159		1983
2160	/*	1984	/*
2161	* find_free_spot(object, map, x, y, start, stop) will search for	1985	* find_free_spot(object, map, x, y, start, stop) will search for
2162	* a spot at the given map and coordinates which will be able to contain	1986	* a spot at the given map and coordinates which will be able to contain
…		…
2164	* to search (see the freearr_x/y[] definition).	1988	* to search (see the freearr_x/y[] definition).
2165	* It returns a random choice among the alternatives found.	1989	* It returns a random choice among the alternatives found.
2166	* start and stop are where to start relative to the free_arr array (1,9	1990	* start and stop are where to start relative to the free_arr array (1,9
2167	* does all 4 immediate directions). This returns the index into the	1991	* does all 4 immediate directions). This returns the index into the
2168	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1992	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2169	* Note - this only checks to see if there is space for the head of the
2170	* object - if it is a multispace object, this should be called for all
2171	* pieces.
2172	* Note2: This function does correctly handle tiled maps, but does not	1993	* Note: This function does correctly handle tiled maps, but does not
2173	* inform the caller. However, insert_ob_in_map will update as	1994	* inform the caller. However, insert_ob_in_map will update as
2174	* necessary, so the caller shouldn't need to do any special work.	1995	* necessary, so the caller shouldn't need to do any special work.
2175	* Note - updated to take an object instead of archetype - this is necessary	1996	* Note - updated to take an object instead of archetype - this is necessary
2176	* because arch_blocked (now ob_blocked) needs to know the movement type	1997	* because arch_blocked (now ob_blocked) needs to know the movement type
2177	* to know if the space in question will block the object. We can't use	1998	* to know if the space in question will block the object. We can't use
2178	* the archetype because that isn't correct if the monster has been	1999	* the archetype because that isn't correct if the monster has been
2179	* customized, changed states, etc.	2000	* customized, changed states, etc.
2180	*/	2001	*/
2181
2182	int	2002	int
2183	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	2003	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2184	{	2004	{
2185	int
2186	i,
2187	index = 0, flag;
2188	static int
2189	altern[SIZEOFFREE];	2005	int altern[SIZEOFFREE];
		2006	int index = 0, flag;
2190		2007
2191	for (i = start; i < stop; i++)	2008	for (int i = start; i < stop; i++)
2192	{	2009	{
2193	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2010	mapxy pos (m, x, y); pos.move (i);
2194	if (!flag)	2011
		2012	if (!pos.normalise ())
		2013	continue;
		2014
		2015	mapspace &ms = *pos;
		2016
		2017	if (ms.flags () & P_IS_ALIVE)
		2018	continue;
		2019
		2020	/* However, often
		2021	* ob doesn't have any move type (when used to place exits)
		2022	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2023	*/
		2024	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2025	{
2195	altern[index++] = i;	2026	altern [index++] = i;
		2027	continue;
		2028	}
2196		2029
2197	/* Basically, if we find a wall on a space, we cut down the search size.	2030	/* Basically, if we find a wall on a space, we cut down the search size.
2198	* In this way, we won't return spaces that are on another side of a wall.	2031	* In this way, we won't return spaces that are on another side of a wall.
2199	* This mostly work, but it cuts down the search size in all directions -	2032	* This mostly work, but it cuts down the search size in all directions -
2200	* if the space being examined only has a wall to the north and empty	2033	* if the space being examined only has a wall to the north and empty
2201	* spaces in all the other directions, this will reduce the search space	2034	* spaces in all the other directions, this will reduce the search space
2202	* to only the spaces immediately surrounding the target area, and	2035	* to only the spaces immediately surrounding the target area, and
2203	* won't look 2 spaces south of the target space.	2036	* won't look 2 spaces south of the target space.
2204	*/	2037	*/
2205	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2038	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2039	{
2206	stop = maxfree[i];	2040	stop = maxfree[i];
		2041	continue;
		2042	}
		2043
		2044	/* Note it is intentional that we check ob - the movement type of the
		2045	* head of the object should correspond for the entire object.
		2046	*/
		2047	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2048	continue;
		2049
		2050	if (ob->blocked (m, pos.x, pos.y))
		2051	continue;
		2052
		2053	altern [index++] = i;
2207	}	2054	}
		2055
2208	if (!index)	2056	if (!index)
2209	return -1;	2057	return -1;
		2058
2210	return altern[RANDOM () % index];	2059	return altern [rndm (index)];
2211	}	2060	}
2212		2061
2213	/*	2062	/*
2214	* find_first_free_spot(archetype, mapstruct, x, y) works like	2063	* find_first_free_spot(archetype, maptile, x, y) works like
2215	* find_free_spot(), but it will search max number of squares.	2064	* find_free_spot(), but it will search max number of squares.
2216	* But it will return the first available spot, not a random choice.	2065	* But it will return the first available spot, not a random choice.
2217	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2066	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2218	*/	2067	*/
2219
2220	int	2068	int
2221	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2069	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2222	{	2070	{
2223	int
2224	i;
2225
2226	for (i = 0; i < SIZEOFFREE; i++)	2071	for (int i = 0; i < SIZEOFFREE; i++)
2227	{
2228	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2072	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2229	return i;	2073	return i;
2230	}	2074
2231	return -1;	2075	return -1;
2232	}	2076	}
2233		2077
2234	/*	2078	/*
2235	* The function permute(arr, begin, end) randomly reorders the array	2079	* The function permute(arr, begin, end) randomly reorders the array
2236	* arr[begin..end-1].	2080	* arr[begin..end-1].
		2081	* now uses a fisher-yates shuffle, old permute was broken
2237	*/	2082	*/
2238	static void	2083	static void
2239	permute (int *arr, int begin, int end)	2084	permute (int *arr, int begin, int end)
2240	{	2085	{
2241	int	2086	arr += begin;
2242	i,
2243	j,
2244	tmp,
2245	len;
2246
2247	len = end - begin;	2087	end -= begin;
2248	for (i = begin; i < end; i++)
2249	{
2250	j = begin + RANDOM () % len;
2251		2088
2252	tmp = arr[i];	2089	while (--end)
2253	arr[i] = arr[j];	2090	swap (arr [end], arr [rndm (end + 1)]);
2254	arr[j] = tmp;
2255	}
2256	}	2091	}
2257		2092
2258	/* new function to make monster searching more efficient, and effective!	2093	/* new function to make monster searching more efficient, and effective!
2259	* This basically returns a randomized array (in the passed pointer) of	2094	* This basically returns a randomized array (in the passed pointer) of
2260	* the spaces to find monsters. In this way, it won't always look for	2095	* the spaces to find monsters. In this way, it won't always look for
…		…
2263	* the 3x3 area will be searched, just not in a predictable order.	2098	* the 3x3 area will be searched, just not in a predictable order.
2264	*/	2099	*/
2265	void	2100	void
2266	get_search_arr (int *search_arr)	2101	get_search_arr (int *search_arr)
2267	{	2102	{
2268	int	2103	int i;
2269	i;
2270		2104
2271	for (i = 0; i < SIZEOFFREE; i++)	2105	for (i = 0; i < SIZEOFFREE; i++)
2272	{
2273	search_arr[i] = i;	2106	search_arr[i] = i;
2274	}
2275		2107
2276	permute (search_arr, 1, SIZEOFFREE1 + 1);	2108	permute (search_arr, 1, SIZEOFFREE1 + 1);
2277	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2109	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2278	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2110	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2279	}	2111	}
…		…
2288	* Perhaps incorrectly, but I'm making the assumption that exclude	2120	* Perhaps incorrectly, but I'm making the assumption that exclude
2289	* is actually want is going to try and move there. We need this info	2121	* is actually want is going to try and move there. We need this info
2290	* because we have to know what movement the thing looking to move	2122	* because we have to know what movement the thing looking to move
2291	* there is capable of.	2123	* there is capable of.
2292	*/	2124	*/
2293
2294	int	2125	int
2295	find_dir (mapstruct *m, int x, int y, object *exclude)	2126	find_dir (maptile *m, int x, int y, object *exclude)
2296	{	2127	{
2297	int
2298	i,
2299	max = SIZEOFFREE, mflags;	2128	int i, max = SIZEOFFREE, mflags;
2300		2129
2301	sint16 nx, ny;	2130	sint16 nx, ny;
2302	object *	2131	object *tmp;
2303	tmp;	2132	maptile *mp;
2304	mapstruct *
2305	mp;
2306		2133
2307	MoveType blocked, move_type;	2134	MoveType blocked, move_type;
2308		2135
2309	if (exclude && exclude->head)	2136	if (exclude && exclude->head_ () != exclude)
2310	{	2137	{
2311	exclude = exclude->head;	2138	exclude = exclude->head;
2312	move_type = exclude->move_type;	2139	move_type = exclude->move_type;
2313	}	2140	}
2314	else	2141	else
…		…
2322	mp = m;	2149	mp = m;
2323	nx = x + freearr_x[i];	2150	nx = x + freearr_x[i];
2324	ny = y + freearr_y[i];	2151	ny = y + freearr_y[i];
2325		2152
2326	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2153	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2154
2327	if (mflags & P_OUT_OF_MAP)	2155	if (mflags & P_OUT_OF_MAP)
2328	{
2329	max = maxfree[i];	2156	max = maxfree[i];
2330	}
2331	else	2157	else
2332	{	2158	{
2333	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2159	mapspace &ms = mp->at (nx, ny);
		2160
		2161	blocked = ms.move_block;
2334		2162
2335	if ((move_type & blocked) == move_type)	2163	if ((move_type & blocked) == move_type)
2336	{
2337	max = maxfree[i];	2164	max = maxfree[i];
2338	}
2339	else if (mflags & P_IS_ALIVE)	2165	else if (mflags & P_IS_ALIVE)
2340	{	2166	{
2341	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2167	for (tmp = ms.bot; tmp; tmp = tmp->above)
2342	{	2168	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2343	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2169	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2344	{
2345	break;	2170	break;
2346	}	2171
2347	}
2348	if (tmp)	2172	if (tmp)
2349	{
2350	return freedir[i];	2173	return freedir[i];
2351	}
2352	}	2174	}
2353	}	2175	}
2354	}	2176	}
		2177
2355	return 0;	2178	return 0;
2356	}	2179	}
2357		2180
2358	/*	2181	/*
2359	* distance(object 1, object 2) will return the square of the	2182	* distance(object 1, object 2) will return the square of the
2360	* distance between the two given objects.	2183	* distance between the two given objects.
2361	*/	2184	*/
2362
2363	int	2185	int
2364	distance (const object *ob1, const object *ob2)	2186	distance (const object *ob1, const object *ob2)
2365	{	2187	{
2366	int
2367	i;
2368
2369	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2188	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2370	return i;
2371	}	2189	}
2372		2190
2373	/*	2191	/*
2374	* find_dir_2(delta-x,delta-y) will return a direction in which	2192	* find_dir_2(delta-x,delta-y) will return a direction in which
2375	* an object which has subtracted the x and y coordinates of another	2193	* an object which has subtracted the x and y coordinates of another
2376	* object, needs to travel toward it.	2194	* object, needs to travel toward it.
2377	*/	2195	*/
2378
2379	int	2196	int
2380	find_dir_2 (int x, int y)	2197	find_dir_2 (int x, int y)
2381	{	2198	{
2382	int	2199	int q;
2383	q;
2384		2200
2385	if (y)	2201	if (y)
2386	q = x * 100 / y;	2202	q = x * 100 / y;
2387	else if (x)	2203	else if (x)
2388	q = -300 * x;	2204	q = -300 * x;
…		…
2413		2229
2414	return 3;	2230	return 3;
2415	}	2231	}
2416		2232
2417	/*	2233	/*
2418	* absdir(int): Returns a number between 1 and 8, which represent
2419	* the "absolute" direction of a number (it actually takes care of
2420	* "overflow" in previous calculations of a direction).
2421	*/
2422
2423	int
2424	absdir (int d)
2425	{
2426	while (d < 1)
2427	d += 8;
2428	while (d > 8)
2429	d -= 8;
2430	return d;
2431	}
2432
2433	/*
2434	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2234	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2435	* between two directions (which are expected to be absolute (see absdir())	2235	* between two directions (which are expected to be absolute (see absdir())
2436	*/	2236	*/
2437
2438	int	2237	int
2439	dirdiff (int dir1, int dir2)	2238	dirdiff (int dir1, int dir2)
2440	{	2239	{
2441	int	2240	int d;
2442	d;
2443		2241
2444	d = abs (dir1 - dir2);	2242	d = abs (dir1 - dir2);
2445	if (d > 4)	2243	if (d > 4)
2446	d = 8 - d;	2244	d = 8 - d;
		2245
2447	return d;	2246	return d;
2448	}	2247	}
2449		2248
2450	/* peterm:	2249	/* peterm:
2451	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2250	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2454	* This basically means that if direction is 15, then it could either go	2253	* This basically means that if direction is 15, then it could either go
2455	* direction 4, 14, or 16 to get back to where we are.	2254	* direction 4, 14, or 16 to get back to where we are.
2456	* Moved from spell_util.c to object.c with the other related direction	2255	* Moved from spell_util.c to object.c with the other related direction
2457	* functions.	2256	* functions.
2458	*/	2257	*/
2459
2460	int
2461	reduction_dir[SIZEOFFREE][3] = {	2258	int reduction_dir[SIZEOFFREE][3] = {
2462	{0, 0, 0}, /* 0 */	2259	{0, 0, 0}, /* 0 */
2463	{0, 0, 0}, /* 1 */	2260	{0, 0, 0}, /* 1 */
2464	{0, 0, 0}, /* 2 */	2261	{0, 0, 0}, /* 2 */
2465	{0, 0, 0}, /* 3 */	2262	{0, 0, 0}, /* 3 */
2466	{0, 0, 0}, /* 4 */	2263	{0, 0, 0}, /* 4 */
…		…
2514	* find a path to that monster that we found. If not,	2311	* find a path to that monster that we found. If not,
2515	* we don't bother going toward it. Returns 1 if we	2312	* we don't bother going toward it. Returns 1 if we
2516	* can see a direct way to get it	2313	* can see a direct way to get it
2517	* Modified to be map tile aware -.MSW	2314	* Modified to be map tile aware -.MSW
2518	*/	2315	*/
2519
2520
2521	int	2316	int
2522	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2317	can_see_monsterP (maptile *m, int x, int y, int dir)
2523	{	2318	{
2524	sint16 dx, dy;	2319	sint16 dx, dy;
2525	int
2526	mflags;	2320	int mflags;
2527		2321
2528	if (dir < 0)	2322	if (dir < 0)
2529	return 0; /* exit condition: invalid direction */	2323	return 0; /* exit condition: invalid direction */
2530		2324
2531	dx = x + freearr_x[dir];	2325	dx = x + freearr_x[dir];
…		…
2544	return 0;	2338	return 0;
2545		2339
2546	/* yes, can see. */	2340	/* yes, can see. */
2547	if (dir < 9)	2341	if (dir < 9)
2548	return 1;	2342	return 1;
		2343
2549	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2344	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2550	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2345	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2346	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2551	}	2347	}
2552
2553
2554		2348
2555	/*	2349	/*
2556	* can_pick(picker, item): finds out if an object is possible to be	2350	* can_pick(picker, item): finds out if an object is possible to be
2557	* picked up by the picker. Returnes 1 if it can be	2351	* picked up by the picker. Returnes 1 if it can be
2558	* picked up, otherwise 0.	2352	* picked up, otherwise 0.
…		…
2560	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2354	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2561	* core dumps if they do.	2355	* core dumps if they do.
2562	*	2356	*
2563	* Add a check so we can't pick up invisible objects (0.93.8)	2357	* Add a check so we can't pick up invisible objects (0.93.8)
2564	*/	2358	*/
2565
2566	int	2359	int
2567	can_pick (const object *who, const object *item)	2360	can_pick (const object *who, const object *item)
2568	{	2361	{
2569	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2362	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2570	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2363	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2571	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2364	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2572	}	2365	}
2573		2366
2574
2575	/*	2367	/*
2576	* create clone from object to another	2368	* create clone from object to another
2577	*/	2369	*/
2578	object *	2370	object *
2579	object_create_clone (object *asrc)	2371	object_create_clone (object *asrc)
2580	{	2372	{
2581	object *
2582	dst = NULL, *tmp, *src, *part, *prev, *item;	2373	object *dst = 0, *tmp, *src, *prev, *item;
2583		2374
2584	if (!asrc)	2375	if (!asrc)
2585	return NULL;	2376	return 0;
2586	src = asrc;	2377
2587	if (src->head)
2588	src = src->head;	2378	src = asrc->head_ ();
2589		2379
2590	prev = NULL;	2380	prev = 0;
2591	for (part = src; part; part = part->more)	2381	for (object *part = src; part; part = part->more)
2592	{	2382	{
2593	tmp = get_object ();	2383	tmp = part->clone ();
2594	copy_object (part, tmp);
2595	tmp->x -= src->x;	2384	tmp->x -= src->x;
2596	tmp->y -= src->y;	2385	tmp->y -= src->y;
		2386
2597	if (!part->head)	2387	if (!part->head)
2598	{	2388	{
2599	dst = tmp;	2389	dst = tmp;
2600	tmp->head = NULL;	2390	tmp->head = 0;
2601	}	2391	}
2602	else	2392	else
2603	{
2604	tmp->head = dst;	2393	tmp->head = dst;
2605	}	2394
2606	tmp->more = NULL;	2395	tmp->more = 0;
		2396
2607	if (prev)	2397	if (prev)
2608	prev->more = tmp;	2398	prev->more = tmp;
		2399
2609	prev = tmp;	2400	prev = tmp;
2610	}	2401	}
2611		2402
2612	/*** copy inventory ***/
2613	for (item = src->inv; item; item = item->below)	2403	for (item = src->inv; item; item = item->below)
2614	{
2615	(void) insert_ob_in_ob (object_create_clone (item), dst);	2404	insert_ob_in_ob (object_create_clone (item), dst);
2616	}
2617		2405
2618	return dst;	2406	return dst;
2619	}
2620
2621	/* return true if the object was destroyed, 0 otherwise */
2622	int
2623	was_destroyed (const object *op, tag_t old_tag)
2624	{
2625	/* checking for FLAG_FREED isn't necessary, but makes this function more
2626	* robust */
2627	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2628	}
2629
2630	/* GROS - Creates an object using a string representing its content. */
2631
2632	/* Basically, we save the content of the string to a temp file, then call */
2633
2634	/* load_object on it. I admit it is a highly inefficient way to make things, */
2635
2636	/* but it was simple to make and allows reusing the load_object function. */
2637
2638	/* Remember not to use load_object_str in a time-critical situation. */
2639
2640	/* Also remember that multiparts objects are not supported for now. */
2641
2642	object *
2643	load_object_str (const char *obstr)
2644	{
2645	object *
2646	op;
2647	char
2648	filename[MAX_BUF];
2649
2650	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2651
2652	FILE *
2653	tempfile = fopen (filename, "w");
2654
2655	if (tempfile == NULL)
2656	{
2657	LOG (llevError, "Error - Unable to access load object temp file\n");
2658	return NULL;
2659	};
2660	fprintf (tempfile, obstr);
2661	fclose (tempfile);
2662
2663	op = get_object ();
2664
2665	object_thawer thawer (filename);
2666
2667	if (thawer)
2668	load_object (thawer, op, 0);
2669
2670	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2671	CLEAR_FLAG (op, FLAG_REMOVED);
2672
2673	return op;
2674	}	2407	}
2675		2408
2676	/* This returns the first object in who's inventory that	2409	/* This returns the first object in who's inventory that
2677	* has the same type and subtype match.	2410	* has the same type and subtype match.
2678	* returns NULL if no match.	2411	* returns NULL if no match.
2679	*/	2412	*/
2680	object *	2413	object *
2681	find_obj_by_type_subtype (const object *who, int type, int subtype)	2414	find_obj_by_type_subtype (const object *who, int type, int subtype)
2682	{	2415	{
2683	object *
2684	tmp;
2685
2686	for (tmp = who->inv; tmp; tmp = tmp->below)	2416	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2687	if (tmp->type == type && tmp->subtype == subtype)	2417	if (tmp->type == type && tmp->subtype == subtype)
2688	return tmp;	2418	return tmp;
2689		2419
2690	return NULL;	2420	return 0;
2691	}	2421	}
2692		2422
2693	/* If ob has a field named key, return the link from the list,	2423	/* If ob has a field named key, return the link from the list,
2694	* otherwise return NULL.	2424	* otherwise return NULL.
2695	*	2425	*
…		…
2697	* do the desired thing.	2427	* do the desired thing.
2698	*/	2428	*/
2699	key_value *	2429	key_value *
2700	get_ob_key_link (const object *ob, const char *key)	2430	get_ob_key_link (const object *ob, const char *key)
2701	{	2431	{
2702	key_value *
2703	link;
2704
2705	for (link = ob->key_values; link != NULL; link = link->next)	2432	for (key_value *link = ob->key_values; link; link = link->next)
2706	{
2707	if (link->key == key)	2433	if (link->key == key)
2708	{
2709	return link;	2434	return link;
2710	}
2711	}
2712		2435
2713	return NULL;	2436	return 0;
2714	}	2437	}
2715		2438
2716	/*	2439	/*
2717	* Returns the value of op has an extra_field for key, or NULL.	2440	* Returns the value of op has an extra_field for key, or NULL.
2718	*	2441	*
…		…
2721	* The returned string is shared.	2444	* The returned string is shared.
2722	*/	2445	*/
2723	const char *	2446	const char *
2724	get_ob_key_value (const object *op, const char *const key)	2447	get_ob_key_value (const object *op, const char *const key)
2725	{	2448	{
2726	key_value *	2449	key_value *link;
2727	link;	2450	shstr_cmp canonical_key (key);
2728	const char *
2729	canonical_key;
2730		2451
2731	canonical_key = shstr::find (key);
2732
2733	if (canonical_key == NULL)	2452	if (!canonical_key)
2734	{	2453	{
2735	/* 1. There being a field named key on any object	2454	/* 1. There being a field named key on any object
2736	* implies there'd be a shared string to find.	2455	* implies there'd be a shared string to find.
2737	* 2. Since there isn't, no object has this field.	2456	* 2. Since there isn't, no object has this field.
2738	* 3. Therefore, *this* object doesn't have this field.	2457	* 3. Therefore, *this* object doesn't have this field.
2739	*/	2458	*/
2740	return NULL;	2459	return 0;
2741	}	2460	}
2742		2461
2743	/* This is copied from get_ob_key_link() above -	2462	/* This is copied from get_ob_key_link() above -
2744	* only 4 lines, and saves the function call overhead.	2463	* only 4 lines, and saves the function call overhead.
2745	*/	2464	*/
2746	for (link = op->key_values; link != NULL; link = link->next)	2465	for (link = op->key_values; link; link = link->next)
2747	{
2748	if (link->key == canonical_key)	2466	if (link->key == canonical_key)
2749	{
2750	return link->value;	2467	return link->value;
2751	}	2468
2752	}
2753	return NULL;	2469	return 0;
2754	}	2470	}
2755
2756		2471
2757	/*	2472	/*
2758	* Updates the canonical_key in op to value.	2473	* Updates the canonical_key in op to value.
2759	*	2474	*
2760	* canonical_key is a shared string (value doesn't have to be).	2475	* canonical_key is a shared string (value doesn't have to be).
…		…
2765	* Returns TRUE on success.	2480	* Returns TRUE on success.
2766	*/	2481	*/
2767	int	2482	int
2768	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2483	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2769	{	2484	{
2770	key_value *
2771	field = NULL, *last = NULL;	2485	key_value *field = NULL, *last = NULL;
2772		2486
2773	for (field = op->key_values; field != NULL; field = field->next)	2487	for (field = op->key_values; field != NULL; field = field->next)
2774	{	2488	{
2775	if (field->key != canonical_key)	2489	if (field->key != canonical_key)
2776	{	2490	{
…		…
2785	/* Basically, if the archetype has this key set,	2499	/* Basically, if the archetype has this key set,
2786	* we need to store the null value so when we save	2500	* we need to store the null value so when we save
2787	* it, we save the empty value so that when we load,	2501	* it, we save the empty value so that when we load,
2788	* we get this value back again.	2502	* we get this value back again.
2789	*/	2503	*/
2790	if (get_ob_key_link (&op->arch->clone, canonical_key))	2504	if (get_ob_key_link (op->arch, canonical_key))
2791	field->value = 0;	2505	field->value = 0;
2792	else	2506	else
2793	{	2507	{
2794	if (last)	2508	if (last)
2795	last->next = field->next;	2509	last->next = field->next;
…		…
2804	/* IF we get here, key doesn't exist */	2518	/* IF we get here, key doesn't exist */
2805		2519
2806	/* No field, we'll have to add it. */	2520	/* No field, we'll have to add it. */
2807		2521
2808	if (!add_key)	2522	if (!add_key)
2809	{
2810	return FALSE;	2523	return FALSE;
2811	}	2524
2812	/* There isn't any good reason to store a null	2525	/* There isn't any good reason to store a null
2813	* value in the key/value list. If the archetype has	2526	* value in the key/value list. If the archetype has
2814	* this key, then we should also have it, so shouldn't	2527	* this key, then we should also have it, so shouldn't
2815	* be here. If user wants to store empty strings,	2528	* be here. If user wants to store empty strings,
2816	* should pass in ""	2529	* should pass in ""
…		…
2844	shstr key_ (key);	2557	shstr key_ (key);
2845		2558
2846	return set_ob_key_value_s (op, key_, value, add_key);	2559	return set_ob_key_value_s (op, key_, value, add_key);
2847	}	2560	}
2848		2561
		2562	object::depth_iterator::depth_iterator (object *container)
		2563	: iterator_base (container)
		2564	{
		2565	while (item->inv)
		2566	item = item->inv;
		2567	}
		2568
2849	void	2569	void
2850	object::deep_iterator::next ()	2570	object::depth_iterator::next ()
2851	{	2571	{
2852	if (item->inv)
2853	item = item->inv;
2854	else if (item->below)	2572	if (item->below)
		2573	{
2855	item = item->below;	2574	item = item->below;
		2575
		2576	while (item->inv)
		2577	item = item->inv;
		2578	}
2856	else	2579	else
2857	item = item->env->below;	2580	item = item->env;
2858	}	2581	}
		2582
		2583	const char *
		2584	object::flag_desc (char *desc, int len) const
		2585	{
		2586	char *p = desc;
		2587	bool first = true;
		2588
		2589	*p = 0;
		2590
		2591	for (int i = 0; i < NUM_FLAGS; i++)
		2592	{
		2593	if (len <= 10) // magic constant!
		2594	{
		2595	snprintf (p, len, ",...");
		2596	break;
		2597	}
		2598
		2599	if (flag [i])
		2600	{
		2601	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2602	len -= cnt;
		2603	p += cnt;
		2604	first = false;
		2605	}
		2606	}
		2607
		2608	return desc;
		2609	}
		2610
		2611	// return a suitable string describing an object in enough detail to find it
		2612	const char *
		2613	object::debug_desc (char *info) const
		2614	{
		2615	char flagdesc[512];
		2616	char info2[256 * 4];
		2617	char *p = info;
		2618
		2619	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
		2620	count, uuid.seq,
		2621	&name,
		2622	title ? "\",title:\"" : "",
		2623	title ? (const char *)title : "",
		2624	flag_desc (flagdesc, 512), type);
		2625
		2626	if (!this->flag[FLAG_REMOVED] && env)
		2627	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2628
		2629	if (map)
		2630	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
		2631
		2632	return info;
		2633	}
		2634
		2635	const char *
		2636	object::debug_desc () const
		2637	{
		2638	static char info[3][256 * 4];
		2639	static int info_idx;
		2640
		2641	return debug_desc (info [++info_idx % 3]);
		2642	}
		2643
		2644	struct region *
		2645	object::region () const
		2646	{
		2647	return map ? map->region (x, y)
		2648	: region::default_region ();
		2649	}
		2650
		2651	const materialtype_t *
		2652	object::dominant_material () const
		2653	{
		2654	if (materialtype_t *mt = name_to_material (materialname))
		2655	return mt;
		2656
		2657	return name_to_material (shstr_unknown);
		2658	}
		2659
		2660	void
		2661	object::open_container (object *new_container)
		2662	{
		2663	if (container == new_container)
		2664	return;
		2665
		2666	if (object *old_container = container)
		2667	{
		2668	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2669	return;
		2670
		2671	#if 0
		2672	// remove the "Close old_container" object.
		2673	if (object *closer = old_container->inv)
		2674	if (closer->type == CLOSE_CON)
		2675	closer->destroy ();
		2676	#endif
		2677
		2678	old_container->flag [FLAG_APPLIED] = 0;
		2679	container = 0;
		2680
		2681	esrv_update_item (UPD_FLAGS, this, old_container);
		2682	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2683	play_sound (sound_find ("chest_close"));
		2684	}
		2685
		2686	if (new_container)
		2687	{
		2688	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2689	return;
		2690
		2691	// TODO: this does not seem to serve any purpose anymore?
		2692	#if 0
		2693	// insert the "Close Container" object.
		2694	if (archetype *closer = new_container->other_arch)
		2695	{
		2696	object *closer = arch_to_object (new_container->other_arch);
		2697	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2698	new_container->insert (closer);
		2699	}
		2700	#endif
		2701
		2702	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2703
		2704	new_container->flag [FLAG_APPLIED] = 1;
		2705	container = new_container;
		2706
		2707	esrv_update_item (UPD_FLAGS, this, new_container);
		2708	esrv_send_inventory (this, new_container);
		2709	play_sound (sound_find ("chest_open"));
		2710	}
		2711	}
		2712
		2713	object *
		2714	object::force_find (const shstr name)
		2715	{
		2716	/* cycle through his inventory to look for the MARK we want to
		2717	* place
		2718	*/
		2719	for (object *tmp = inv; tmp; tmp = tmp->below)
		2720	if (tmp->type == FORCE && tmp->slaying == name)
		2721	return splay (tmp);
		2722
		2723	return 0;
		2724	}
		2725
		2726	void
		2727	object::force_add (const shstr name, int duration)
		2728	{
		2729	if (object *force = force_find (name))
		2730	force->destroy ();
		2731
		2732	object *force = get_archetype (FORCE_NAME);
		2733
		2734	force->slaying = name;
		2735	force->stats.food = 1;
		2736	force->speed_left = -1.f;
		2737
		2738	force->set_speed (duration ? 1.f / duration : 0.f);
		2739	force->flag [FLAG_IS_USED_UP] = true;
		2740	force->flag [FLAG_APPLIED] = true;
		2741
		2742	insert (force);
		2743	}
		2744
		2745	void
		2746	object::play_sound (faceidx sound) const
		2747	{
		2748	if (!sound)
		2749	return;
		2750
		2751	if (flag [FLAG_REMOVED])
		2752	return;
		2753
		2754	if (env)
		2755	{
		2756	if (object *pl = in_player ())
		2757	pl->contr->play_sound (sound);
		2758	}
		2759	else
		2760	map->play_sound (sound, x, y);
		2761	}
		2762

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