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Comparing deliantra/server/common/object.C (file contents):
Revision 1.26 by root, Mon Sep 11 11:46:52 2006 UTC vs.
Revision 1.137 by root, Mon Apr 16 06:23:40 2007 UTC

1
2	/*	1	/*
3	* static char *rcsid_object_c =
4	* "$Id: object.C,v 1.26 2006/09/11 11:46:52 root Exp $";
5	*/
6
7	/*
8	CrossFire, A Multiplayer game for X-windows	2	* CrossFire, A Multiplayer game for X-windows
9		3	*
		4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
10	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team
11	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (C) 1992 Frank Tore Johansen
12		7	*
13	This program is free software; you can redistribute it and/or modify	8	* This program is free software; you can redistribute it and/or modify
14	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
15	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation; either version 2 of the License, or
16	(at your option) any later version.	11	* (at your option) any later version.
17		12	*
18	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,
19	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
20	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21	GNU General Public License for more details.	16	* GNU General Public License for more details.
22		17	*
23	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
24	along with this program; if not, write to the Free Software	19	* along with this program; if not, write to the Free Software
25	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26		21	*
27	The authors can be reached via e-mail at crossfire-devel@real-time.com	22	* The authors can be reached via e-mail at <crossfire@schmorp.de>
28	*/	23	*/
29		24
30	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
31	sub/add_weight will transcend the environment updating the carrying	26	sub/add_weight will transcend the environment updating the carrying
32	variable. */	27	variable. */
33	#include <global.h>	28	#include <global.h>
34	#ifndef WIN32 /* ---win32 exclude headers */
35	# include <stdio.h>	29	#include <stdio.h>
36	# include <sys/types.h>	30	#include <sys/types.h>
37	# include <sys/uio.h>	31	#include <sys/uio.h>
38	#endif /* win32 */
39	#include <object.h>	32	#include <object.h>
40	#include <funcpoint.h>	33	#include <funcpoint.h>
41	#include <skills.h>
42	#include <loader.h>	34	#include <loader.h>
		35
		36	#include <bitset>
		37
43	int nrofallocobjects = 0;	38	int nrofallocobjects = 0;
		39	static UUID uuid;
		40	const uint64 UUID_SKIP = 1<<19;
44		41
45	object *objects; /* Pointer to the list of used objects */	42	objectvec objects;
46	object *active_objects; /* List of active objects that need to be processed */	43	activevec actives;
47		44
48	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,
49	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
50	};	47	};
51	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,
…		…
57	int freedir[SIZEOFFREE] = {	54	int freedir[SIZEOFFREE] = {
58	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,
59	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
60	};	57	};
61		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
62	/* 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. */
63	static int	137	static int
64	compare_ob_value_lists_one (const object *wants, const object *has)	138	compare_ob_value_lists_one (const object *wants, const object *has)
65	{	139	{
66	key_value *wants_field;	140	key_value *wants_field;
…		…
69	* 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
70	* different structure or at least keep the lists sorted...	144	* different structure or at least keep the lists sorted...
71	*/	145	*/
72		146
73	/* For each field in wants, */	147	/* For each field in wants, */
74	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)
75	{	149	{
76	key_value *has_field;	150	key_value *has_field;
77		151
78	/* Look for a field in has with the same key. */	152	/* Look for a field in has with the same key. */
79	has_field = get_ob_key_link (has, wants_field->key);	153	has_field = get_ob_key_link (has, wants_field->key);
…		…
113	*	187	*
114	* 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
115	* replaces - this is mostly for clarity - a decent compiler should hopefully	189	* replaces - this is mostly for clarity - a decent compiler should hopefully
116	* reduce this to the same efficiency.	190	* reduce this to the same efficiency.
117	*	191	*
118	* Check nrof variable *before* calling CAN_MERGE()	192	* Check nrof variable *before* calling can_merge()
119	*	193	*
120	* Improvements made with merge: Better checking on potion, and also	194	* Improvements made with merge: Better checking on potion, and also
121	* check weight	195	* check weight
122	*/	196	*/
123
124	bool object::can_merge (object *ob1, object *ob2)	197	bool object::can_merge_slow (object *ob1, object *ob2)
125	{	198	{
126	/* A couple quicksanity checks */	199	/* A couple quicksanity checks */
127	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)
128	return 0;	205	return 0;
129		206
130	if (ob1->speed != ob2->speed)	207	//TODO: this ain't working well, use nicer and correct overflow check
131	return 0;
132
133	/* 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
134	* 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
135	* used to store nrof).	210	* used to store nrof).
136	*/	211	*/
137	if (ob1->nrof + ob2->nrof >= 1UL << 31)	212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
147	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
148		223
149	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
150	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
151		226
152		227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
153	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	228	|| ob1->arch != ob2->arch
154	* being locked in inventory should prevent merging.
155	* 0x4 in flags3 is CLIENT_SENT
156	*/
157	if ((ob1->arch != ob2->arch) ||
158	(ob1->flags[0] != ob2->flags[0]) ||
159	(ob1->flags[1] != ob2->flags[1]) ||
160	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
161	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
162	(ob1->name != ob2->name) ||	229	|| ob1->name != ob2->name
163	(ob1->title != ob2->title) ||	230	|| ob1->title != ob2->title
164	(ob1->msg != ob2->msg) ||	231	|| ob1->msg != ob2->msg
165	(ob1->weight != ob2->weight) ||	232	|| ob1->weight != ob2->weight
166	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
167	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
168	(ob1->attacktype != ob2->attacktype) ||	235	|| ob1->attacktype != ob2->attacktype
169	(ob1->magic != ob2->magic) ||	236	|| ob1->magic != ob2->magic
170	(ob1->slaying != ob2->slaying) ||	237	|| ob1->slaying != ob2->slaying
171	(ob1->skill != ob2->skill) ||	238	|| ob1->skill != ob2->skill
172	(ob1->value != ob2->value) ||	239	|| ob1->value != ob2->value
173	(ob1->animation_id != ob2->animation_id) ||	240	|| ob1->animation_id != ob2->animation_id
174	(ob1->client_type != ob2->client_type) ||	241	|| ob1->client_type != ob2->client_type
175	(ob1->materialname != ob2->materialname) ||	242	|| ob1->materialname != ob2->materialname
176	(ob1->lore != ob2->lore) ||	243	|| ob1->lore != ob2->lore
177	(ob1->subtype != ob2->subtype) ||	244	|| ob1->subtype != ob2->subtype
178	(ob1->move_type != ob2->move_type) ||	245	|| ob1->move_type != ob2->move_type
179	(ob1->move_block != ob2->move_block) ||	246	|| ob1->move_block != ob2->move_block
180	(ob1->move_allow != ob2->move_allow) ||	247	|| ob1->move_allow != ob2->move_allow
181	(ob1->move_on != ob2->move_on) ||	248	|| ob1->move_on != ob2->move_on
182	(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)
183	return 0;	252	return 0;
184		253
185	/* This is really a spellbook check - really, we should	254	/* This is really a spellbook check - really, we should
186	* check all objects in the inventory.	255	* check all objects in the inventory.
187	*/	256	*/
…		…
190	/* if one object has inventory but the other doesn't, not equiv */	259	/* if one object has inventory but the other doesn't, not equiv */
191	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
192	return 0;	261	return 0;
193		262
194	/* Now check to see if the two inventory objects could merge */	263	/* Now check to see if the two inventory objects could merge */
195	if (!CAN_MERGE (ob1->inv, ob2->inv))	264	if (!object::can_merge (ob1->inv, ob2->inv))
196	return 0;	265	return 0;
197		266
198	/* inventory ok - still need to check rest of this object to see	267	/* inventory ok - still need to check rest of this object to see
199	* if it is valid.	268	* if it is valid.
200	*/	269	*/
…		…
209		278
210	/* Note sure why the following is the case - either the object has to	279	/* Note sure why the following is the case - either the object has to
211	* be animated or have a very low speed. Is this an attempted monster	280	* be animated or have a very low speed. Is this an attempted monster
212	* check?	281	* check?
213	*/	282	*/
214	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
215	return 0;	284	return 0;
216		285
217	switch (ob1->type)	286	switch (ob1->type)
218	{	287	{
219	case SCROLL:	288	case SCROLL:
220	if (ob1->level != ob2->level)	289	if (ob1->level != ob2->level)
221	return 0;	290	return 0;
222	break;	291	break;
223	}	292	}
224		293
225	if (ob1->key_values != NULL || ob2->key_values != NULL)	294	if (ob1->key_values != NULL || ob2->key_values != NULL)
226	{	295	{
227	/* At least one of these has key_values. */	296	/* At least one of these has key_values. */
…		…
249	/*	318	/*
250	* sum_weight() is a recursive function which calculates the weight	319	* sum_weight() is a recursive function which calculates the weight
251	* an object is carrying. It goes through in figures out how much	320	* an object is carrying. It goes through in figures out how much
252	* containers are carrying, and sums it up.	321	* containers are carrying, and sums it up.
253	*/	322	*/
254	signed long	323	long
255	sum_weight (object *op)	324	sum_weight (object *op)
256	{	325	{
257	signed long sum;	326	long sum;
258	object *inv;	327	object *inv;
259		328
260	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)
261	{	330	{
262	if (inv->inv)	331	if (inv->inv)
263	sum_weight (inv);	332	sum_weight (inv);
264	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
265	}	334	}
		335
266	if (op->type == CONTAINER && op->stats.Str)	336	if (op->type == CONTAINER && op->stats.Str)
267	sum = (sum * (100 - op->stats.Str)) / 100;	337	sum = (sum * (100 - op->stats.Str)) / 100;
		338
268	if (op->carrying != sum)	339	if (op->carrying != sum)
269	op->carrying = sum;	340	op->carrying = sum;
		341
270	return sum;	342	return sum;
271	}	343	}
272		344
273	/**	345	/**
274	* Return the outermost environment object for a given object.	346	* Return the outermost environment object for a given object.
…		…
281	op = op->env;	353	op = op->env;
282	return op;	354	return op;
283	}	355	}
284		356
285	/*	357	/*
286	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
287	* a better check. We basically keeping traversing up until we can't
288	* or find a player.
289	*/
290
291	object *
292	is_player_inv (object *op)
293	{
294	for (; op != NULL && op->type != PLAYER; op = op->env)
295	if (op->env == op)
296	op->env = NULL;
297	return op;
298	}
299
300	/*
301	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
302	* Some error messages.	359	* Some error messages.
303	* The result of the dump is stored in the static global errmsg array.	360	* The result of the dump is stored in the static global errmsg array.
304	*/	361	*/
305		362	char *
306	void
307	dump_object2 (object *op)
308	{
309	errmsg[0] = 0;
310	return;
311	//TODO//D#d#
312	#if 0
313	char *cp;
314
315	/* object *tmp;*/
316
317	if (op->arch != NULL)
318	{
319	strcat (errmsg, "arch ");
320	strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
321	strcat (errmsg, "\n");
322	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
323	strcat (errmsg, cp);
324	# if 0
325	/* Don't dump player diffs - they are too long, mostly meaningless, and
326	* will overflow the buffer.
327	* Changed so that we don't dump inventory either. This may
328	* also overflow the buffer.
329	*/
330	if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
331	strcat (errmsg, cp);
332	for (tmp = op->inv; tmp; tmp = tmp->below)
333	dump_object2 (tmp);
334	# endif
335	strcat (errmsg, "end\n");
336	}
337	else
338	{
339	strcat (errmsg, "Object ");
340	if (op->name == NULL)
341	strcat (errmsg, "(null)");
342	else
343	strcat (errmsg, op->name);
344	strcat (errmsg, "\n");
345	# if 0
346	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
347	strcat (errmsg, cp);
348	for (tmp = op->inv; tmp; tmp = tmp->below)
349	dump_object2 (tmp);
350	# endif
351	strcat (errmsg, "end\n");
352	}
353	#endif
354	}
355
356	/*
357	* Dumps an object. Returns output in the static global errmsg array.
358	*/
359
360	void
361	dump_object (object *op)	363	dump_object (object *op)
362	{	364	{
363	if (op == NULL)	365	if (!op)
364	{	366	return strdup ("[NULLOBJ]");
365	strcpy (errmsg, "[NULL pointer]");
366	return;
367	}
368	errmsg[0] = '\0';
369	dump_object2 (op);
370	}
371		367
372	void	368	object_freezer freezer;
373	dump_all_objects (void)	369	op->write (freezer);
374	{	370	return freezer.as_string ();
375	object *op;
376
377	for (op = objects; op != NULL; op = op->next)
378	{
379	dump_object (op);
380	fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
381	}
382	}	371	}
383		372
384	/*	373	/*
385	* get_nearest_part(multi-object, object 2) returns the part of the	374	* get_nearest_part(multi-object, object 2) returns the part of the
386	* multi-object 1 which is closest to the second object.	375	* multi-object 1 which is closest to the second object.
…		…
402	}	391	}
403		392
404	/*	393	/*
405	* Returns the object which has the count-variable equal to the argument.	394	* Returns the object which has the count-variable equal to the argument.
406	*/	395	*/
407
408	object *	396	object *
409	find_object (tag_t i)	397	find_object (tag_t i)
410	{	398	{
411	object *op;	399	for_all_objects (op)
412
413	for (op = objects; op != NULL; op = op->next)
414	if (op->count == i)	400	if (op->count == i)
415	break;
416	return op;	401	return op;
		402
		403	return 0;
417	}	404	}
418		405
419	/*	406	/*
420	* Returns the first object which has a name equal to the argument.	407	* Returns the first object which has a name equal to the argument.
421	* Used only by the patch command, but not all that useful.	408	* Used only by the patch command, but not all that useful.
422	* Enables features like "patch <name-of-other-player> food 999"	409	* Enables features like "patch <name-of-other-player> food 999"
423	*/	410	*/
424
425	object *	411	object *
426	find_object_name (const char *str)	412	find_object_name (const char *str)
427	{	413	{
428	const char *name = shstr::find (str);	414	shstr_cmp str_ (str);
429	object *op;	415	object *op;
430		416
431	for (op = objects; op != NULL; op = op->next)	417	for_all_objects (op)
432	if (&op->name == name)	418	if (op->name == str_)
433	break;	419	break;
434		420
435	return op;	421	return op;
436	}	422	}
437		423
…		…
440	{	426	{
441	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);	427	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
442	}	428	}
443		429
444	/*	430	/*
445	* Returns the object which this object marks as being the owner.
446	* A id-scheme is used to avoid pointing to objects which have been
447	* freed and are now reused. If this is detected, the owner is
448	* set to NULL, and NULL is returned.
449	* Changed 2004-02-12 - if the player is setting at the play again
450	* prompt, he is removed, and we don't want to treat him as an owner of
451	* anything, so check removed flag. I don't expect that this should break
452	* anything - once an object is removed, it is basically dead anyways.
453	*/
454
455	object *
456	get_owner (object *op)
457	{
458	if (op->owner == NULL)
459	return NULL;
460
461	if (!QUERY_FLAG (op->owner, FLAG_FREED) && !QUERY_FLAG (op->owner, FLAG_REMOVED) && op->owner->count == op->ownercount)
462	return op->owner;
463
464	op->owner = NULL;
465	op->ownercount = 0;
466	return NULL;
467	}
468
469	void
470	clear_owner (object *op)
471	{
472	if (!op)
473	return;
474
475	if (op->owner && op->ownercount == op->owner->count)
476	op->owner->refcount--;
477
478	op->owner = NULL;
479	op->ownercount = 0;
480	}
481
482	/*
483	* Sets the owner and sets the skill and exp pointers to owner's current	431	* Sets the owner and sets the skill and exp pointers to owner's current
484	* skill and experience objects.	432	* skill and experience objects.
485	*/	433	*/
486	void	434	void
487	set_owner (object *op, object *owner)	435	object::set_owner (object *owner)
488	{	436	{
489	if (owner == NULL || op == NULL)	437	if (!owner)
490	return;	438	return;
491		439
492	/* next line added to allow objects which own objects */	440	/* next line added to allow objects which own objects */
493	/* Add a check for ownercounts in here, as I got into an endless loop	441	/* Add a check for ownercounts in here, as I got into an endless loop
494	* with the fireball owning a poison cloud which then owned the	442	* with the fireball owning a poison cloud which then owned the
495	* fireball. I believe that was caused by one of the objects getting	443	* fireball. I believe that was caused by one of the objects getting
496	* freed and then another object replacing it. Since the ownercounts	444	* freed and then another object replacing it. Since the ownercounts
497	* didn't match, this check is valid and I believe that cause is valid.	445	* didn't match, this check is valid and I believe that cause is valid.
498	*/	446	*/
499	while (owner->owner && owner != owner->owner && owner->ownercount == owner->owner->count)	447	while (owner->owner)
500	owner = owner->owner;	448	owner = owner->owner;
501		449
502	/* IF the owner still has an owner, we did not resolve to a final owner.
503	* so lets not add to that.
504	*/
505	if (owner->owner)
506	return;
507
508	op->owner = owner;	450	this->owner = owner;
509
510	op->ownercount = owner->count;
511	owner->refcount++;
512	}
513
514	/* Set the owner to clone's current owner and set the skill and experience
515	* objects to clone's objects (typically those objects that where the owner's
516	* current skill and experience objects at the time when clone's owner was
517	* set - not the owner's current skill and experience objects).
518	*
519	* Use this function if player created an object (e.g. fire bullet, swarm
520	* spell), and this object creates further objects whose kills should be
521	* accounted for the player's original skill, even if player has changed
522	* skills meanwhile.
523	*/
524	void
525	copy_owner (object *op, object *clone)
526	{
527	object *owner = get_owner (clone);
528
529	if (owner == NULL)
530	{
531	/* players don't have owners - they own themselves. Update
532	* as appropriate.
533	*/
534	if (clone->type == PLAYER)
535	owner = clone;
536	else
537	return;
538	}
539
540	set_owner (op, owner);
541	}	451	}
542		452
543	/* Zero the key_values on op, decrementing the shared-string	453	/* Zero the key_values on op, decrementing the shared-string
544	* refcounts and freeing the links.	454	* refcounts and freeing the links.
545	*/	455	*/
546	static void	456	static void
547	free_key_values (object *op)	457	free_key_values (object *op)
548	{	458	{
549	for (key_value *i = op->key_values; i != 0;)	459	for (key_value *i = op->key_values; i; )
550	{	460	{
551	key_value *next = i->next;	461	key_value *next = i->next;
552	delete i;	462	delete i;
553		463
554	i = next;	464	i = next;
555	}	465	}
556		466
557	op->key_values = 0;	467	op->key_values = 0;
558	}	468	}
559		469
560	void object::clear ()	470	object &
		471	object::operator =(const object &src)
561	{	472	{
562	attachable_base::clear ();	473	bool is_freed = flag [FLAG_FREED];
		474	bool is_removed = flag [FLAG_REMOVED];
563		475
564	free_key_values (this);	476	*(object_copy *)this = src;
565		477
566	clear_owner (this);	478	flag [FLAG_FREED] = is_freed;
567		479	flag [FLAG_REMOVED] = is_removed;
568	name = 0;
569	name_pl = 0;
570	title = 0;
571	race = 0;
572	slaying = 0;
573	skill = 0;
574	msg = 0;
575	lore = 0;
576	custom_name = 0;
577	materialname = 0;
578
579	memset (static_cast < object_pod * >(this), 0, sizeof (object_pod));
580
581	SET_FLAG (this, FLAG_REMOVED);
582	}
583
584	void object::clone (object *destination)
585	{
586	*(object_copy *) destination = *this;
587	*(object_pod *) destination = *this;
588
589	if (self || cb)
590	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
591	}
592
593	/*
594	* clear_object() frees everything allocated by an object, and also
595	* clears all variables and flags to default settings.
596	*/
597
598	void
599	clear_object (object *op)
600	{
601	op->clear ();
602
603	op->contr = NULL;
604	op->below = NULL;
605	op->above = NULL;
606	op->inv = NULL;
607	op->container = NULL;
608	op->env = NULL;
609	op->more = NULL;
610	op->head = NULL;
611	op->map = NULL;
612	op->refcount = 0;
613	op->active_next = NULL;
614	op->active_prev = NULL;
615	/* What is not cleared is next, prev, and count */
616
617	op->expmul = 1.0;
618	op->face = blank_face;
619	op->attacked_by_count = -1;
620
621	if (settings.casting_time)
622	op->casting_time = -1;
623	}
624
625	/*
626	* copy object first frees everything allocated by the second object,
627	* and then copies the contends of the first object into the second
628	* object, allocating what needs to be allocated. Basically, any
629	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
630	* if the first object is freed, the pointers in the new object
631	* will point at garbage.
632	*/
633
634	void
635	copy_object (object *op2, object *op)
636	{
637	bool is_freed = QUERY_FLAG (op, FLAG_FREED);
638	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
639
640	op2->clone (op);
641
642	if (is_freed)
643	SET_FLAG (op, FLAG_FREED);
644	if (is_removed)
645	SET_FLAG (op, FLAG_REMOVED);
646
647	if (op2->speed < 0)
648	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
649		480
650	/* Copy over key_values, if any. */	481	/* Copy over key_values, if any. */
651	if (op2->key_values)	482	if (src.key_values)
652	{	483	{
653	key_value *tail = 0;	484	key_value *tail = 0;
654	key_value *i;
655
656	op->key_values = 0;	485	key_values = 0;
657		486
658	for (i = op2->key_values; i; i = i->next)	487	for (key_value *i = src.key_values; i; i = i->next)
659	{	488	{
660	key_value *new_link = new key_value;	489	key_value *new_link = new key_value;
661		490
662	new_link->next = 0;	491	new_link->next = 0;
663	new_link->key = i->key;	492	new_link->key = i->key;
664	new_link->value = i->value;	493	new_link->value = i->value;
665		494
666	/* Try and be clever here, too. */	495	/* Try and be clever here, too. */
667	if (!op->key_values)	496	if (!key_values)
668	{	497	{
669	op->key_values = new_link;	498	key_values = new_link;
670	tail = new_link;	499	tail = new_link;
671	}	500	}
672	else	501	else
673	{	502	{
674	tail->next = new_link;	503	tail->next = new_link;
675	tail = new_link;	504	tail = new_link;
676	}	505	}
677	}	506	}
678	}	507	}
		508	}
679		509
680	update_ob_speed (op);	510	/*
		511	* copy_to first frees everything allocated by the dst object,
		512	* and then copies the contents of itself into the second
		513	* object, allocating what needs to be allocated. Basically, any
		514	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		515	* if the first object is freed, the pointers in the new object
		516	* will point at garbage.
		517	*/
		518	void
		519	object::copy_to (object *dst)
		520	{
		521	*dst = *this;
		522
		523	if (speed < 0)
		524	dst->speed_left = speed_left - rndm ();
		525
		526	dst->set_speed (dst->speed);
		527	}
		528
		529	void
		530	object::instantiate ()
		531	{
		532	if (!uuid.seq) // HACK
		533	uuid = gen_uuid ();
		534
		535	speed_left = -0.1f;
		536	/* copy the body_info to the body_used - this is only really
		537	* need for monsters, but doesn't hurt to do it for everything.
		538	* by doing so, when a monster is created, it has good starting
		539	* values for the body_used info, so when items are created
		540	* for it, they can be properly equipped.
		541	*/
		542	memcpy (body_used, body_info, sizeof (body_used));
		543
		544	attachable::instantiate ();
		545	}
		546
		547	object *
		548	object::clone ()
		549	{
		550	object *neu = create ();
		551	copy_to (neu);
		552	return neu;
681	}	553	}
682		554
683	/*	555	/*
684	* If an object with the IS_TURNABLE() flag needs to be turned due	556	* If an object with the IS_TURNABLE() flag needs to be turned due
685	* to the closest player being on the other side, this function can	557	* to the closest player being on the other side, this function can
686	* be called to update the face variable, _and_ how it looks on the map.	558	* be called to update the face variable, _and_ how it looks on the map.
687	*/	559	*/
688
689	void	560	void
690	update_turn_face (object *op)	561	update_turn_face (object *op)
691	{	562	{
692	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	563	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
693	return;	564	return;
		565
694	SET_ANIMATION (op, op->direction);	566	SET_ANIMATION (op, op->direction);
695	update_object (op, UP_OBJ_FACE);	567	update_object (op, UP_OBJ_FACE);
696	}	568	}
697		569
698	/*	570	/*
699	* Updates the speed of an object. If the speed changes from 0 to another	571	* Updates the speed of an object. If the speed changes from 0 to another
700	* value, or vice versa, then add/remove the object from the active list.	572	* value, or vice versa, then add/remove the object from the active list.
701	* This function needs to be called whenever the speed of an object changes.	573	* This function needs to be called whenever the speed of an object changes.
702	*/	574	*/
703
704	void	575	void
705	update_ob_speed (object *op)	576	object::set_speed (float speed)
706	{	577	{
707	extern int arch_init;	578	if (flag [FLAG_FREED] && speed)
708
709	/* No reason putting the archetypes objects on the speed list,
710	* since they never really need to be updated.
711	*/
712
713	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
714	{	579	{
715	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	580	LOG (llevError, "Object %s is freed but has speed.\n", &name);
716	#ifdef MANY_CORES
717	abort ();
718	#else
719	op->speed = 0;	581	speed = 0;
720	#endif
721	}
722	if (arch_init)
723	{	582	}
724	return;
725	}
726	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
727	{
728	/* If already on active list, don't do anything */
729	if (op->active_next || op->active_prev || op == active_objects)
730	return;
731		583
732	/* process_events() expects us to insert the object at the beginning	584	this->speed = speed;
733	* of the list. */	585
734	op->active_next = active_objects;	586	if (has_active_speed ())
735	if (op->active_next != NULL)	587	activate ();
736	op->active_next->active_prev = op;
737	active_objects = op;
738	}
739	else	588	else
740	{	589	deactivate ();
741	/* If not on the active list, nothing needs to be done */
742	if (!op->active_next && !op->active_prev && op != active_objects)
743	return;
744
745	if (op->active_prev == NULL)
746	{
747	active_objects = op->active_next;
748	if (op->active_next != NULL)
749	op->active_next->active_prev = NULL;
750	}
751	else
752	{
753	op->active_prev->active_next = op->active_next;
754	if (op->active_next)
755	op->active_next->active_prev = op->active_prev;
756	}
757	op->active_next = NULL;
758	op->active_prev = NULL;
759	}
760	}	590	}
761		591
762	/* This function removes object 'op' from the list of active
763	* objects.
764	* This should only be used for style maps or other such
765	* reference maps where you don't want an object that isn't
766	* in play chewing up cpu time getting processed.
767	* The reverse of this is to call update_ob_speed, which
768	* will do the right thing based on the speed of the object.
769	*/
770	void
771	remove_from_active_list (object *op)
772	{
773	/* If not on the active list, nothing needs to be done */
774	if (!op->active_next && !op->active_prev && op != active_objects)
775	return;
776
777	if (op->active_prev == NULL)
778	{
779	active_objects = op->active_next;
780	if (op->active_next != NULL)
781	op->active_next->active_prev = NULL;
782	}
783	else
784	{
785	op->active_prev->active_next = op->active_next;
786	if (op->active_next)
787	op->active_next->active_prev = op->active_prev;
788	}
789	op->active_next = NULL;
790	op->active_prev = NULL;
791	}
792
793	/*	592	/*
794	* update_object() updates the array which represents the map.	593	* update_object() updates the the map.
795	* It takes into account invisible objects (and represent squares covered	594	* It takes into account invisible objects (and represent squares covered
796	* by invisible objects by whatever is below them (unless it's another	595	* by invisible objects by whatever is below them (unless it's another
797	* invisible object, etc...)	596	* invisible object, etc...)
798	* If the object being updated is beneath a player, the look-window	597	* If the object being updated is beneath a player, the look-window
799	* of that player is updated (this might be a suboptimal way of	598	* of that player is updated (this might be a suboptimal way of
800	* updating that window, though, since update_object() is called _often_)	599	* updating that window, though, since update_object() is called _often_)
801	*	600	*
802	* action is a hint of what the caller believes need to be done.	601	* action is a hint of what the caller believes need to be done.
803	* For example, if the only thing that has changed is the face (due to
804	* an animation), we don't need to call update_position until that actually
805	* comes into view of a player. OTOH, many other things, like addition/removal
806	* of walls or living creatures may need us to update the flags now.
807	* current action are:	602	* current action are:
808	* UP_OBJ_INSERT: op was inserted	603	* UP_OBJ_INSERT: op was inserted
809	* UP_OBJ_REMOVE: op was removed	604	* UP_OBJ_REMOVE: op was removed
810	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	605	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
811	* as that is easier than trying to look at what may have changed.	606	* as that is easier than trying to look at what may have changed.
812	* UP_OBJ_FACE: only the objects face has changed.	607	* UP_OBJ_FACE: only the objects face has changed.
813	*/	608	*/
814
815	void	609	void
816	update_object (object *op, int action)	610	update_object (object *op, int action)
817	{	611	{
818	int update_now = 0, flags;
819	MoveType move_on, move_off, move_block, move_slow;
820
821	if (op == NULL)	612	if (op == NULL)
822	{	613	{
823	/* this should never happen */	614	/* this should never happen */
824	LOG (llevDebug, "update_object() called for NULL object.\n");	615	LOG (llevDebug, "update_object() called for NULL object.\n");
825	return;	616	return;
826	}	617	}
827		618
828	if (op->env != NULL)	619	if (op->env)
829	{	620	{
830	/* Animation is currently handled by client, so nothing	621	/* Animation is currently handled by client, so nothing
831	* to do in this case.	622	* to do in this case.
832	*/	623	*/
833	return;	624	return;
…		…
838	*/	629	*/
839	if (!op->map || op->map->in_memory == MAP_SAVING)	630	if (!op->map || op->map->in_memory == MAP_SAVING)
840	return;	631	return;
841		632
842	/* make sure the object is within map boundaries */	633	/* make sure the object is within map boundaries */
843	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	634	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
844	{	635	{
845	LOG (llevError, "update_object() called for object out of map!\n");	636	LOG (llevError, "update_object() called for object out of map!\n");
846	#ifdef MANY_CORES	637	#ifdef MANY_CORES
847	abort ();	638	abort ();
848	#endif	639	#endif
849	return;	640	return;
850	}	641	}
851		642
852	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	643	mapspace &m = op->ms ();
853	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
854	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
855	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
856	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
857	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
858		644
		645	if (!(m.flags_ & P_UPTODATE))
		646	/* nop */;
859	if (action == UP_OBJ_INSERT)	647	else if (action == UP_OBJ_INSERT)
860	{	648	{
		649	// this is likely overkill, TODO: revisit (schmorp)
861	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	650	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
862	update_now = 1;
863
864	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	651	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
865	update_now = 1;	652	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
866		653	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		654	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
867	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	655	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
868	update_now = 1;
869
870	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
871	update_now = 1;
872
873	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
874	update_now = 1;
875
876	if ((move_on | op->move_on) != move_on)	656	|| (m.move_on | op->move_on ) != m.move_on
877	update_now = 1;
878
879	if ((move_off | op->move_off) != move_off)	657	|| (m.move_off | op->move_off ) != m.move_off
880	update_now = 1;	658	|| (m.move_slow | op->move_slow) != m.move_slow
881
882	/* This isn't perfect, but I don't expect a lot of objects to	659	/* This isn't perfect, but I don't expect a lot of objects to
883	* to have move_allow right now.	660	* to have move_allow right now.
884	*/	661	*/
885	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	662	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
886	update_now = 1;	663	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
887		664	m.flags_ = 0;
888	if ((move_slow | op->move_slow) != move_slow)
889	update_now = 1;
890	}	665	}
891	/* if the object is being removed, we can't make intelligent	666	/* if the object is being removed, we can't make intelligent
892	* decisions, because remove_ob can't really pass the object	667	* decisions, because remove_ob can't really pass the object
893	* that is being removed.	668	* that is being removed.
894	*/	669	*/
895	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	670	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
896	{	671	m.flags_ = 0;
897	update_now = 1;
898	}
899	else if (action == UP_OBJ_FACE)	672	else if (action == UP_OBJ_FACE)
900	{
901	/* Nothing to do for that case */	673	/* Nothing to do for that case */ ;
902	}
903	else	674	else
904	{
905	LOG (llevError, "update_object called with invalid action: %d\n", action);	675	LOG (llevError, "update_object called with invalid action: %d\n", action);
906	}
907		676
908	if (update_now)
909	{
910	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
911	update_position (op->map, op->x, op->y);
912	}
913
914	if (op->more != NULL)	677	if (op->more)
915	update_object (op->more, action);	678	update_object (op->more, action);
916	}
917
918	static unordered_vector<object *> mortals;
919	static std::vector<object *> freed;
920
921	void object::free_mortals ()
922	{
923	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end (); )
924	if (!(*i)->refcount)
925	{
926	freed.push_back (*i);
927	mortals.erase (i);
928	}
929	else
930	++i;
931	}	679	}
932		680
933	object::object ()	681	object::object ()
934	{	682	{
935	SET_FLAG (this, FLAG_REMOVED);	683	SET_FLAG (this, FLAG_REMOVED);
936		684
937	expmul = 1.0;	685	expmul = 1.0;
938	face = blank_face;	686	face = blank_face;
939	attacked_by_count = -1;
940	}	687	}
941		688
942	object::~object ()	689	object::~object ()
943	{	690	{
		691	unlink ();
		692
944	free_key_values (this);	693	free_key_values (this);
945	}	694	}
946		695
		696	static int object_count;
		697
947	void object::link ()	698	void object::link ()
948	{	699	{
		700	assert (!index);//D
		701	uuid = gen_uuid ();
949	count = ++ob_count;	702	count = ++object_count;
950		703
951	prev = 0;	704	refcnt_inc ();
952	next = objects;	705	objects.insert (this);
953
954	if (objects)
955	objects->prev = this;
956
957	objects = this;
958	}	706	}
959		707
960	void object::unlink ()	708	void object::unlink ()
961	{	709	{
962	count = 0;
963
964	/* Remove this object from the list of used objects */
965	if (prev)
966	{
967	prev->next = next;
968	prev = 0;
969	}
970
971	if (next)	710	if (!index)
972	{	711	return;
973	next->prev = prev;	712
974	next = 0;	713	objects.erase (this);
		714	refcnt_dec ();
		715	}
		716
		717	void
		718	object::activate ()
		719	{
		720	/* If already on active list, don't do anything */
		721	if (active)
		722	return;
		723
		724	if (has_active_speed ())
		725	actives.insert (this);
		726	}
		727
		728	void
		729	object::activate_recursive ()
		730	{
		731	activate ();
		732
		733	for (object *op = inv; op; op = op->below)
		734	op->activate_recursive ();
		735	}
		736
		737	/* This function removes object 'op' from the list of active
		738	* objects.
		739	* This should only be used for style maps or other such
		740	* reference maps where you don't want an object that isn't
		741	* in play chewing up cpu time getting processed.
		742	* The reverse of this is to call update_ob_speed, which
		743	* will do the right thing based on the speed of the object.
		744	*/
		745	void
		746	object::deactivate ()
		747	{
		748	/* If not on the active list, nothing needs to be done */
		749	if (!active)
		750	return;
		751
		752	actives.erase (this);
		753	}
		754
		755	void
		756	object::deactivate_recursive ()
		757	{
		758	for (object *op = inv; op; op = op->below)
		759	op->deactivate_recursive ();
		760
		761	deactivate ();
		762	}
		763
		764	void
		765	object::set_flag_inv (int flag, int value)
		766	{
		767	for (object *op = inv; op; op = op->below)
975	}	768	{
		769	op->flag [flag] = value;
		770	op->set_flag_inv (flag, value);
		771	}
		772	}
976		773
977	if (this == objects)	774	/*
978	objects = next;	775	* Remove and free all objects in the inventory of the given object.
		776	* object.c ?
		777	*/
		778	void
		779	object::destroy_inv (bool drop_to_ground)
		780	{
		781	// need to check first, because the checks below might segfault
		782	// as we might be on an invalid mapspace and crossfire code
		783	// is too buggy to ensure that the inventory is empty.
		784	// corollary: if you create arrows etc. with stuff in tis inventory,
		785	// cf will crash below with off-map x and y
		786	if (!inv)
		787	return;
		788
		789	/* Only if the space blocks everything do we not process -
		790	* if some form of movement is allowed, let objects
		791	* drop on that space.
		792	*/
		793	if (!drop_to_ground
		794	|| !map
		795	|| map->in_memory != MAP_IN_MEMORY
		796	|| map->nodrop
		797	|| ms ().move_block == MOVE_ALL)
		798	{
		799	while (inv)
		800	{
		801	inv->destroy_inv (drop_to_ground);
		802	inv->destroy ();
		803	}
		804	}
		805	else
		806	{ /* Put objects in inventory onto this space */
		807	while (inv)
		808	{
		809	object *op = inv;
		810
		811	if (op->flag [FLAG_STARTEQUIP]
		812	|| op->flag [FLAG_NO_DROP]
		813	|| op->type == RUNE
		814	|| op->type == TRAP
		815	|| op->flag [FLAG_IS_A_TEMPLATE]
		816	|| op->flag [FLAG_DESTROY_ON_DEATH])
		817	op->destroy ();
		818	else
		819	map->insert (op, x, y);
		820	}
		821	}
979	}	822	}
980		823
981	object *object::create ()	824	object *object::create ()
982	{	825	{
983	object *op;
984
985	if (freed.empty ())
986	op = new object;	826	object *op = new object;
987	else
988	{
989	// highly annoying, but the only way to get it stable right now
990	op = freed.back (); freed.pop_back ();
991	op->~object ();
992	new ((void *)op) object;
993	}
994
995	op->link ();	827	op->link ();
996	return op;	828	return op;
997	}	829	}
998		830
999	/*	831	void
1000	* free_object() frees everything allocated by an object, removes	832	object::do_destroy ()
1001	* it from the list of used objects, and puts it on the list of
1002	* free objects. The IS_FREED() flag is set in the object.
1003	* The object must have been removed by remove_ob() first for
1004	* this function to succeed.
1005	*
1006	* If free_inventory is set, free inventory as well. Else drop items in
1007	* inventory to the ground.
1008	*/
1009	void object::free (bool free_inventory)
1010	{	833	{
1011	if (!QUERY_FLAG (this, FLAG_REMOVED))	834	attachable::do_destroy ();
1012	{	835
1013	LOG (llevDebug, "Free object called with non removed object\n");	836	if (flag [FLAG_IS_LINKED])
1014	dump_object (this);	837	remove_button_link (this);
1015	#ifdef MANY_CORES	838
1016	abort ();	839	if (flag [FLAG_FRIENDLY])
1017	#endif
1018	}	840	{
1019
1020	if (QUERY_FLAG (this, FLAG_FRIENDLY))
1021	{
1022	LOG (llevMonster, "Warning: tried to free friendly object.\n");
1023	remove_friendly_object (this);	841	remove_friendly_object (this);
1024	}
1025		842
1026	if (QUERY_FLAG (this, FLAG_FREED))	843	if (type == GOLEM
		844	&& owner
		845	&& owner->type == PLAYER
		846	&& owner->contr->ranges[range_golem] == this)
		847	owner->contr->ranges[range_golem] = 0;
		848	}
		849
		850	if (!flag [FLAG_REMOVED])
		851	remove ();
		852
		853	destroy_inv (true);
		854
		855	deactivate ();
		856	unlink ();
		857
		858	flag [FLAG_FREED] = 1;
		859
		860	// hack to ensure that freed objects still have a valid map
		861	{
		862	static maptile *freed_map; // freed objects are moved here to avoid crashes
		863
		864	if (!freed_map)
1027	{	865	{
1028	dump_object (this);	866	freed_map = new maptile;
1029	LOG (llevError, "Trying to free freed object.\n%s\n", errmsg);	867
1030	return;	868	freed_map->name = "/internal/freed_objects_map";
		869	freed_map->width = 3;
		870	freed_map->height = 3;
		871
		872	freed_map->alloc ();
		873	freed_map->in_memory = MAP_IN_MEMORY;
1031	}	874	}
		875
		876	map = freed_map;
		877	x = 1;
		878	y = 1;
		879	}
		880
		881	head = 0;
1032		882
1033	if (more)	883	if (more)
1034	{	884	{
1035	more->free (free_inventory);	885	more->destroy ();
1036	more = 0;	886	more = 0;
1037	}	887	}
1038		888
1039	if (inv)	889	// clear those pointers that likely might have circular references to us
1040	{	890	owner = 0;
1041	/* Only if the space blocks everything do we not process -	891	enemy = 0;
1042	* if some form of movement is allowed, let objects	892	attacked_by = 0;
1043	* drop on that space.	893	}
1044	*/
1045	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || (GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL))
1046	{
1047	object *
1048	op = inv;
1049		894
1050	while (op)	895	void
1051	{	896	object::destroy (bool destroy_inventory)
1052	object *	897	{
1053	tmp = op->below;	898	if (destroyed ())
		899	return;
1054		900
1055	remove_ob (op);	901	if (destroy_inventory)
1056	op->free (free_inventory);	902	destroy_inv (false);
1057	op = tmp;
1058	}
1059	}
1060	else
1061	{ /* Put objects in inventory onto this space */
1062	object *
1063	op = inv;
1064		903
1065	while (op)	904	attachable::destroy ();
1066	{
1067	object *
1068	tmp = op->below;
1069
1070	remove_ob (op);
1071
1072	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1073	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1074	free_object (op);
1075	else
1076	{
1077	op->x = x;
1078	op->y = y;
1079	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
1080	}
1081
1082	op = tmp;
1083	}
1084	}
1085	}
1086
1087	clear_owner (this);
1088
1089	/* Remove object from the active list */
1090	speed = 0;
1091	update_ob_speed (this);
1092
1093	unlink ();
1094
1095	SET_FLAG (this, FLAG_FREED);
1096
1097	mortals.push_back (this);
1098	}	905	}
1099		906
1100	/*	907	/*
1101	* sub_weight() recursively (outwards) subtracts a number from the	908	* sub_weight() recursively (outwards) subtracts a number from the
1102	* weight of an object (and what is carried by it's environment(s)).	909	* weight of an object (and what is carried by it's environment(s)).
1103	*/	910	*/
1104
1105	void	911	void
1106	sub_weight (object *op, signed long weight)	912	sub_weight (object *op, signed long weight)
1107	{	913	{
1108	while (op != NULL)	914	while (op != NULL)
1109	{	915	{
1110	if (op->type == CONTAINER)	916	if (op->type == CONTAINER)
1111	{
1112	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	917	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1113	}	918
1114	op->carrying -= weight;	919	op->carrying -= weight;
1115	op = op->env;	920	op = op->env;
1116	}	921	}
1117	}	922	}
1118		923
1119	/* remove_ob(op):	924	/* op->remove ():
1120	* This function removes the object op from the linked list of objects	925	* This function removes the object op from the linked list of objects
1121	* which it is currently tied to. When this function is done, the	926	* which it is currently tied to. When this function is done, the
1122	* object will have no environment. If the object previously had an	927	* object will have no environment. If the object previously had an
1123	* environment, the x and y coordinates will be updated to	928	* environment, the x and y coordinates will be updated to
1124	* the previous environment.	929	* the previous environment.
1125	* Beware: This function is called from the editor as well!
1126	*/	930	*/
1127
1128	void	931	void
1129	remove_ob (object *op)	932	object::do_remove ()
1130	{	933	{
1131	object *tmp, *last = NULL;	934	object *tmp, *last = 0;
1132	object *otmp;	935	object *otmp;
1133		936
1134	tag_t tag;
1135	int check_walk_off;
1136	mapstruct *m;
1137
1138	sint16 x, y;
1139
1140	if (QUERY_FLAG (op, FLAG_REMOVED))	937	if (QUERY_FLAG (this, FLAG_REMOVED))
1141	{	938	return;
1142	dump_object (op);
1143	LOG (llevError, "Trying to remove removed object.\n%s\n", errmsg);
1144		939
1145	/* Changed it to always dump core in this case. As has been learned
1146	* in the past, trying to recover from errors almost always
1147	* make things worse, and this is a real error here - something
1148	* that should not happen.
1149	* Yes, if this was a mission critical app, trying to do something
1150	* to recover may make sense, but that is because failure of the app
1151	* may have other disastrous problems. Cf runs out of a script
1152	* so is easily enough restarted without any real problems.
1153	* MSW 2001-07-01
1154	*/
1155	abort ();
1156	}
1157
1158	if (op->more != NULL)
1159	remove_ob (op->more);
1160
1161	SET_FLAG (op, FLAG_REMOVED);	940	SET_FLAG (this, FLAG_REMOVED);
		941	INVOKE_OBJECT (REMOVE, this);
		942
		943	if (more)
		944	more->remove ();
1162		945
1163	/*	946	/*
1164	* In this case, the object to be removed is in someones	947	* In this case, the object to be removed is in someones
1165	* inventory.	948	* inventory.
1166	*/	949	*/
1167	if (op->env != NULL)	950	if (env)
1168	{	951	{
1169	if (op->nrof)	952	if (nrof)
1170	sub_weight (op->env, op->weight * op->nrof);	953	sub_weight (env, weight * nrof);
1171	else	954	else
1172	sub_weight (op->env, op->weight + op->carrying);	955	sub_weight (env, weight + carrying);
1173		956
1174	/* NO_FIX_PLAYER is set when a great many changes are being	957	/* NO_FIX_PLAYER is set when a great many changes are being
1175	* made to players inventory. If set, avoiding the call	958	* made to players inventory. If set, avoiding the call
1176	* to save cpu time.	959	* to save cpu time.
1177	*/	960	*/
1178	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	961	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1179	fix_player (otmp);	962	otmp->update_stats ();
1180		963
1181	if (op->above != NULL)	964	if (above)
1182	op->above->below = op->below;	965	above->below = below;
1183	else	966	else
1184	op->env->inv = op->below;	967	env->inv = below;
1185		968
1186	if (op->below != NULL)	969	if (below)
1187	op->below->above = op->above;	970	below->above = above;
1188		971
1189	/* we set up values so that it could be inserted into	972	/* we set up values so that it could be inserted into
1190	* the map, but we don't actually do that - it is up	973	* the map, but we don't actually do that - it is up
1191	* to the caller to decide what we want to do.	974	* to the caller to decide what we want to do.
1192	*/	975	*/
1193	op->x = op->env->x, op->y = op->env->y;	976	x = env->x, y = env->y;
1194	op->map = op->env->map;	977	map = env->map;
1195	op->above = NULL, op->below = NULL;	978	above = 0, below = 0;
1196	op->env = NULL;	979	env = 0;
1197	return;
1198	}
1199
1200	/* If we get here, we are removing it from a map */
1201	if (op->map == NULL)
1202	return;
1203
1204	x = op->x;
1205	y = op->y;
1206	m = get_map_from_coord (op->map, &x, &y);
1207
1208	if (!m)
1209	{	980	}
1210	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",	981	else if (map)
1211	op->map->path, op->x, op->y);
1212	/* in old days, we used to set x and y to 0 and continue.
1213	* it seems if we get into this case, something is probablye
1214	* screwed up and should be fixed.
1215	*/
1216	abort ();
1217	}	982	{
1218	if (op->map != m)	983	if (type == PLAYER)
1219	{	984	{
1220	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	985	// leaving a spot always closes any open container on the ground
1221	op->map->path, m->path, op->x, op->y, x, y);	986	if (container && !container->env)
1222	}	987	// this causes spurious floorbox updates, but it ensures
		988	// that the CLOSE event is being sent.
		989	close_container ();
1223		990
1224	/* Re did the following section of code - it looks like it had	991	--map->players;
1225	* lots of logic for things we no longer care about	992	map->touch ();
1226	*/	993	}
1227		994
		995	map->dirty = true;
		996	mapspace &ms = this->ms ();
		997
1228	/* link the object above us */	998	/* link the object above us */
1229	if (op->above)	999	if (above)
1230	op->above->below = op->below;	1000	above->below = below;
1231	else	1001	else
1232	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1002	ms.top = below; /* we were top, set new top */
1233		1003
1234	/* Relink the object below us, if there is one */	1004	/* Relink the object below us, if there is one */
1235	if (op->below)	1005	if (below)
1236	op->below->above = op->above;	1006	below->above = above;
1237	else	1007	else
1238	{	1008	{
1239	/* Nothing below, which means we need to relink map object for this space	1009	/* Nothing below, which means we need to relink map object for this space
1240	* use translated coordinates in case some oddness with map tiling is	1010	* use translated coordinates in case some oddness with map tiling is
1241	* evident	1011	* evident
1242	*/
1243	if (GET_MAP_OB (m, x, y) != op)
1244	{
1245	dump_object (op);
1246	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n",
1247	errmsg);
1248	dump_object (GET_MAP_OB (m, x, y));
1249	LOG (llevError, "%s\n", errmsg);
1250	}
1251
1252	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1253	}
1254
1255	op->above = NULL;
1256	op->below = NULL;
1257
1258	if (op->map->in_memory == MAP_SAVING)
1259	return;
1260
1261	tag = op->count;
1262	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1263
1264	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1265	{
1266	/* No point updating the players look faces if he is the object
1267	* being removed.
1268	*/
1269
1270	if (tmp->type == PLAYER && tmp != op)
1271	{
1272	/* If a container that the player is currently using somehow gets
1273	* removed (most likely destroyed), update the player view
1274	* appropriately.
1275	*/	1012	*/
1276	if (tmp->container == op)	1013	if (GET_MAP_OB (map, x, y) != this)
		1014	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 ());
		1015
		1016	ms.bot = above; /* goes on above it. */
		1017	}
		1018
		1019	above = 0;
		1020	below = 0;
		1021
		1022	if (map->in_memory == MAP_SAVING)
		1023	return;
		1024
		1025	int check_walk_off = !flag [FLAG_NO_APPLY];
		1026
		1027	for (tmp = ms.bot; tmp; tmp = tmp->above)
		1028	{
		1029	/* No point updating the players look faces if he is the object
		1030	* being removed.
		1031	*/
		1032
		1033	if (tmp->type == PLAYER && tmp != this)
1277	{	1034	{
1278	CLEAR_FLAG (op, FLAG_APPLIED);	1035	/* If a container that the player is currently using somehow gets
		1036	* removed (most likely destroyed), update the player view
		1037	* appropriately.
		1038	*/
		1039	if (tmp->container == this)
		1040	{
		1041	flag [FLAG_APPLIED] = 0;
1279	tmp->container = NULL;	1042	tmp->container = 0;
		1043	}
		1044
		1045	if (tmp->contr->ns)
		1046	tmp->contr->ns->floorbox_update ();
1280	}	1047	}
1281		1048
1282	tmp->contr->socket.update_look = 1;
1283	}
1284	/* See if player moving off should effect something */	1049	/* See if object moving off should effect something */
1285	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1050	if (check_walk_off
1286	{	1051	&& ((move_type & tmp->move_off)
1287	move_apply (tmp, op, NULL);	1052	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1288
1289	if (was_destroyed (op, tag))
1290	{	1053	{
		1054	move_apply (tmp, this, 0);
		1055
		1056	if (destroyed ())
1291	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);	1057	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1292	}	1058	}
1293	}
1294		1059
1295	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1060	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1296		1061	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1297	if (tmp->above == tmp)	1062	if (tmp->above == tmp)
1298	tmp->above = NULL;	1063	tmp->above = 0;
1299		1064
1300	last = tmp;	1065	last = tmp;
1301	}	1066	}
1302		1067
1303	/* last == NULL of there are no objects on this space */	1068	/* last == NULL if there are no objects on this space */
1304	if (last == NULL)	1069	//TODO: this makes little sense, why only update the topmost object?
1305	{	1070	if (!last)
1306	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,	1071	map->at (x, y).flags_ = 0;
1307	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1308	* those out anyways, and if there are any flags set right now, they won't
1309	* be correct anyways.
1310	*/
1311	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1312	update_position (op->map, op->x, op->y);
1313	}
1314	else	1072	else
1315	update_object (last, UP_OBJ_REMOVE);	1073	update_object (last, UP_OBJ_REMOVE);
1316		1074
1317	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1075	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1318	update_all_los (op->map, op->x, op->y);	1076	update_all_los (map, x, y);
		1077	}
1319	}	1078	}
1320		1079
1321	/*	1080	/*
1322	* merge_ob(op,top):	1081	* merge_ob(op,top):
1323	*	1082	*
1324	* This function goes through all objects below and including top, and	1083	* This function goes through all objects below and including top, and
1325	* merges op to the first matching object.	1084	* merges op to the first matching object.
1326	* If top is NULL, it is calculated.	1085	* If top is NULL, it is calculated.
1327	* Returns pointer to object if it succeded in the merge, otherwise NULL	1086	* Returns pointer to object if it succeded in the merge, otherwise NULL
1328	*/	1087	*/
1329
1330	object *	1088	object *
1331	merge_ob (object *op, object *top)	1089	merge_ob (object *op, object *top)
1332	{	1090	{
1333	if (!op->nrof)	1091	if (!op->nrof)
1334	return 0;	1092	return 0;
1335	if (top == NULL)	1093
		1094	if (top)
1336	for (top = op; top != NULL && top->above != NULL; top = top->above);	1095	for (top = op; top && top->above; top = top->above)
		1096	;
		1097
1337	for (; top != NULL; top = top->below)	1098	for (; top; top = top->below)
1338	{	1099	{
1339	if (top == op)	1100	if (top == op)
1340	continue;	1101	continue;
1341	if (CAN_MERGE (op, top))	1102
		1103	if (object::can_merge (op, top))
1342	{	1104	{
1343	top->nrof += op->nrof;	1105	top->nrof += op->nrof;
1344		1106
1345	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1107	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1346	op->weight = 0; /* Don't want any adjustements now */	1108	op->weight = 0; /* Don't want any adjustements now */
1347	remove_ob (op);	1109	op->destroy ();
1348	free_object (op);
1349	return top;	1110	return top;
1350	}	1111	}
1351	}	1112	}
		1113
1352	return NULL;	1114	return 0;
1353	}	1115	}
1354		1116
1355	/*	1117	/*
1356	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1118	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1357	* job preparing multi-part monsters	1119	* job preparing multi-part monsters.
1358	*/	1120	*/
1359	object *	1121	object *
1360	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1122	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1361	{	1123	{
1362	object *
1363	tmp;
1364
1365	if (op->head)
1366	op = op->head;
1367	for (tmp = op; tmp; tmp = tmp->more)	1124	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1368	{	1125	{
1369	tmp->x = x + tmp->arch->clone.x;	1126	tmp->x = x + tmp->arch->clone.x;
1370	tmp->y = y + tmp->arch->clone.y;	1127	tmp->y = y + tmp->arch->clone.y;
1371	}	1128	}
		1129
1372	return insert_ob_in_map (op, m, originator, flag);	1130	return insert_ob_in_map (op, m, originator, flag);
1373	}	1131	}
1374		1132
1375	/*	1133	/*
1376	* insert_ob_in_map (op, map, originator, flag):	1134	* insert_ob_in_map (op, map, originator, flag):
…		…
1390	* Return value:	1148	* Return value:
1391	* new object if 'op' was merged with other object	1149	* new object if 'op' was merged with other object
1392	* NULL if 'op' was destroyed	1150	* NULL if 'op' was destroyed
1393	* just 'op' otherwise	1151	* just 'op' otherwise
1394	*/	1152	*/
1395
1396	object *	1153	object *
1397	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1154	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1398	{	1155	{
1399	object *tmp, *top, *floor = NULL;	1156	object *tmp, *top, *floor = NULL;
1400	sint16 x, y;
1401		1157
1402	if (QUERY_FLAG (op, FLAG_FREED))	1158	if (QUERY_FLAG (op, FLAG_FREED))
1403	{	1159	{
1404	LOG (llevError, "Trying to insert freed object!\n");	1160	LOG (llevError, "Trying to insert freed object!\n");
1405	return NULL;	1161	return NULL;
1406	}	1162	}
1407		1163
1408	if (m == NULL)	1164	if (!QUERY_FLAG (op, FLAG_REMOVED))
		1165	LOG (llevError, "Trying to insert already inserted object %s\n", op->debug_desc ());
		1166
		1167	op->remove ();
		1168
		1169	if (!m)
1409	{	1170	{
1410	dump_object (op);	1171	char *dump = dump_object (op);
1411	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);	1172	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
		1173	free (dump);
1412	return op;	1174	return op;
1413	}	1175	}
1414		1176
1415	if (out_of_map (m, op->x, op->y))	1177	if (out_of_map (m, op->x, op->y))
1416	{	1178	{
1417	dump_object (op);	1179	char *dump = dump_object (op);
1418	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);	1180	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1419	#ifdef MANY_CORES	1181	#ifdef MANY_CORES
1420	/* Better to catch this here, as otherwise the next use of this object	1182	/* Better to catch this here, as otherwise the next use of this object
1421	* is likely to cause a crash. Better to find out where it is getting	1183	* is likely to cause a crash. Better to find out where it is getting
1422	* improperly inserted.	1184	* improperly inserted.
1423	*/	1185	*/
1424	abort ();	1186	abort ();
1425	#endif	1187	#endif
		1188	free (dump);
1426	return op;	1189	return op;
1427	}	1190	}
1428		1191
1429	if (!QUERY_FLAG (op, FLAG_REMOVED))
1430	{
1431	dump_object (op);
1432	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1433	return op;
1434	}
1435
1436	if (op->more != NULL)
1437	{
1438	/* The part may be on a different map. */
1439
1440	object *more = op->more;	1192	if (object *more = op->more)
1441		1193	{
1442	/* We really need the caller to normalize coordinates - if
1443	* we set the map, that doesn't work if the location is within
1444	* a map and this is straddling an edge. So only if coordinate
1445	* is clear wrong do we normalize it.
1446	*/
1447	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1448	more->map = get_map_from_coord (m, &more->x, &more->y);
1449	else if (!more->map)
1450	{
1451	/* For backwards compatibility - when not dealing with tiled maps,
1452	* more->map should always point to the parent.
1453	*/
1454	more->map = m;
1455	}
1456
1457	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1194	if (!insert_ob_in_map (more, m, originator, flag))
1458	{	1195	{
1459	if (!op->head)	1196	if (!op->head)
1460	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1197	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1461		1198
1462	return NULL;	1199	return 0;
1463	}	1200	}
1464	}	1201	}
1465		1202
1466	CLEAR_FLAG (op, FLAG_REMOVED);	1203	CLEAR_FLAG (op, FLAG_REMOVED);
1467		1204
1468	/* Ideally, the caller figures this out. However, it complicates a lot	1205	/* Ideally, the caller figures this out. However, it complicates a lot
1469	* of areas of callers (eg, anything that uses find_free_spot would now	1206	* of areas of callers (eg, anything that uses find_free_spot would now
1470	* need extra work	1207	* need extra work
1471	*/	1208	*/
1472	op->map = get_map_from_coord (m, &op->x, &op->y);	1209	if (!xy_normalise (m, op->x, op->y))
1473	x = op->x;	1210	return 0;
1474	y = op->y;	1211
		1212	op->map = m;
		1213	mapspace &ms = op->ms ();
1475		1214
1476	/* this has to be done after we translate the coordinates.	1215	/* this has to be done after we translate the coordinates.
1477	*/	1216	*/
1478	if (op->nrof && !(flag & INS_NO_MERGE))	1217	if (op->nrof && !(flag & INS_NO_MERGE))
1479	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1218	for (tmp = ms.bot; tmp; tmp = tmp->above)
1480	if (CAN_MERGE (op, tmp))	1219	if (object::can_merge (op, tmp))
1481	{	1220	{
1482	op->nrof += tmp->nrof;	1221	op->nrof += tmp->nrof;
1483	remove_ob (tmp);	1222	tmp->destroy ();
1484	free_object (tmp);
1485	}	1223	}
1486		1224
1487	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1225	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1488	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1226	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1489		1227
…		…
1502	op->below = originator->below;	1240	op->below = originator->below;
1503		1241
1504	if (op->below)	1242	if (op->below)
1505	op->below->above = op;	1243	op->below->above = op;
1506	else	1244	else
1507	SET_MAP_OB (op->map, op->x, op->y, op);	1245	ms.bot = op;
1508		1246
1509	/* since *below* originator, no need to update top */	1247	/* since *below* originator, no need to update top */
1510	originator->below = op;	1248	originator->below = op;
1511	}	1249	}
1512	else	1250	else
1513	{	1251	{
		1252	top = ms.bot;
		1253
1514	/* If there are other objects, then */	1254	/* If there are other objects, then */
1515	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1255	if ((!(flag & INS_MAP_LOAD)) && top)
1516	{	1256	{
1517	object *last = NULL;	1257	object *last = 0;
1518		1258
1519	/*	1259	/*
1520	* If there are multiple objects on this space, we do some trickier handling.	1260	* If there are multiple objects on this space, we do some trickier handling.
1521	* We've already dealt with merging if appropriate.	1261	* We've already dealt with merging if appropriate.
1522	* Generally, we want to put the new object on top. But if	1262	* Generally, we want to put the new object on top. But if
…		…
1526	* once we get to them. This reduces the need to traverse over all of	1266	* once we get to them. This reduces the need to traverse over all of
1527	* them when adding another one - this saves quite a bit of cpu time	1267	* them when adding another one - this saves quite a bit of cpu time
1528	* when lots of spells are cast in one area. Currently, it is presumed	1268	* when lots of spells are cast in one area. Currently, it is presumed
1529	* that flying non pickable objects are spell objects.	1269	* that flying non pickable objects are spell objects.
1530	*/	1270	*/
1531		1271	for (top = ms.bot; top; top = top->above)
1532	while (top != NULL)
1533	{	1272	{
1534	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1273	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1535	floor = top;	1274	floor = top;
1536		1275
1537	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1276	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1540	top = top->below;	1279	top = top->below;
1541	break;	1280	break;
1542	}	1281	}
1543		1282
1544	last = top;	1283	last = top;
1545	top = top->above;
1546	}	1284	}
1547		1285
1548	/* Don't want top to be NULL, so set it to the last valid object */	1286	/* Don't want top to be NULL, so set it to the last valid object */
1549	top = last;	1287	top = last;
1550		1288
…		…
1552	* looks like instead of lots of conditions here.	1290	* looks like instead of lots of conditions here.
1553	* makes things faster, and effectively the same result.	1291	* makes things faster, and effectively the same result.
1554	*/	1292	*/
1555		1293
1556	/* Have object 'fall below' other objects that block view.	1294	/* Have object 'fall below' other objects that block view.
1557	* Unless those objects are exits, type 66	1295	* Unless those objects are exits.
1558	* If INS_ON_TOP is used, don't do this processing	1296	* If INS_ON_TOP is used, don't do this processing
1559	* Need to find the object that in fact blocks view, otherwise	1297	* Need to find the object that in fact blocks view, otherwise
1560	* stacking is a bit odd.	1298	* stacking is a bit odd.
1561	*/	1299	*/
1562	if (!(flag & INS_ON_TOP) &&	1300	if (!(flag & INS_ON_TOP)
1563	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1301	&& ms.flags () & P_BLOCKSVIEW
		1302	&& (op->face && !faces [op->face].visibility))
1564	{	1303	{
1565	for (last = top; last != floor; last = last->below)	1304	for (last = top; last != floor; last = last->below)
1566	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1305	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1567	break;	1306	break;
		1307
1568	/* Check to see if we found the object that blocks view,	1308	/* Check to see if we found the object that blocks view,
1569	* and make sure we have a below pointer for it so that	1309	* and make sure we have a below pointer for it so that
1570	* we can get inserted below this one, which requires we	1310	* we can get inserted below this one, which requires we
1571	* set top to the object below us.	1311	* set top to the object below us.
1572	*/	1312	*/
…		…
1574	top = last->below;	1314	top = last->below;
1575	}	1315	}
1576	} /* If objects on this space */	1316	} /* If objects on this space */
1577		1317
1578	if (flag & INS_MAP_LOAD)	1318	if (flag & INS_MAP_LOAD)
1579	top = GET_MAP_TOP (op->map, op->x, op->y);	1319	top = ms.top;
1580		1320
1581	if (flag & INS_ABOVE_FLOOR_ONLY)	1321	if (flag & INS_ABOVE_FLOOR_ONLY)
1582	top = floor;	1322	top = floor;
1583		1323
1584	/* Top is the object that our object (op) is going to get inserted above.	1324	/* Top is the object that our object (op) is going to get inserted above.
1585	*/	1325	*/
1586		1326
1587	/* First object on this space */	1327	/* First object on this space */
1588	if (!top)	1328	if (!top)
1589	{	1329	{
1590	op->above = GET_MAP_OB (op->map, op->x, op->y);	1330	op->above = ms.bot;
1591		1331
1592	if (op->above)	1332	if (op->above)
1593	op->above->below = op;	1333	op->above->below = op;
1594		1334
1595	op->below = NULL;	1335	op->below = 0;
1596	SET_MAP_OB (op->map, op->x, op->y, op);	1336	ms.bot = op;
1597	}	1337	}
1598	else	1338	else
1599	{ /* get inserted into the stack above top */	1339	{ /* get inserted into the stack above top */
1600	op->above = top->above;	1340	op->above = top->above;
1601		1341
…		…
1604		1344
1605	op->below = top;	1345	op->below = top;
1606	top->above = op;	1346	top->above = op;
1607	}	1347	}
1608		1348
1609	if (op->above == NULL)	1349	if (!op->above)
1610	SET_MAP_TOP (op->map, op->x, op->y, op);	1350	ms.top = op;
1611	} /* else not INS_BELOW_ORIGINATOR */	1351	} /* else not INS_BELOW_ORIGINATOR */
1612		1352
1613	if (op->type == PLAYER)	1353	if (op->type == PLAYER)
		1354	{
1614	op->contr->do_los = 1;	1355	op->contr->do_los = 1;
		1356	++op->map->players;
		1357	op->map->touch ();
		1358	}
		1359
		1360	op->map->dirty = true;
1615		1361
1616	/* If we have a floor, we know the player, if any, will be above	1362	/* If we have a floor, we know the player, if any, will be above
1617	* it, so save a few ticks and start from there.	1363	* it, so save a few ticks and start from there.
1618	*/	1364	*/
1619	if (!(flag & INS_MAP_LOAD))	1365	if (!(flag & INS_MAP_LOAD))
1620	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1366	if (object *pl = ms.player ())
1621	if (tmp->type == PLAYER)	1367	if (pl->contr->ns)
1622	tmp->contr->socket.update_look = 1;	1368	pl->contr->ns->floorbox_update ();
1623		1369
1624	/* If this object glows, it may affect lighting conditions that are	1370	/* If this object glows, it may affect lighting conditions that are
1625	* visible to others on this map. But update_all_los is really	1371	* visible to others on this map. But update_all_los is really
1626	* an inefficient way to do this, as it means los for all players	1372	* an inefficient way to do this, as it means los for all players
1627	* on the map will get recalculated. The players could very well	1373	* on the map will get recalculated. The players could very well
1628	* be far away from this change and not affected in any way -	1374	* be far away from this change and not affected in any way -
1629	* this should get redone to only look for players within range,	1375	* this should get redone to only look for players within range,
1630	* or just updating the P_NEED_UPDATE for spaces within this area	1376	* or just updating the P_UPTODATE for spaces within this area
1631	* of effect may be sufficient.	1377	* of effect may be sufficient.
1632	*/	1378	*/
1633	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1379	if (op->map->darkness && (op->glow_radius != 0))
1634	update_all_los (op->map, op->x, op->y);	1380	update_all_los (op->map, op->x, op->y);
1635		1381
1636	/* updates flags (blocked, alive, no magic, etc) for this map space */	1382	/* updates flags (blocked, alive, no magic, etc) for this map space */
1637	update_object (op, UP_OBJ_INSERT);	1383	update_object (op, UP_OBJ_INSERT);
1638		1384
		1385	INVOKE_OBJECT (INSERT, op);
		1386
1639	/* Don't know if moving this to the end will break anything. However,	1387	/* Don't know if moving this to the end will break anything. However,
1640	* we want to have update_look set above before calling this.	1388	* we want to have floorbox_update called before calling this.
1641	*	1389	*
1642	* check_move_on() must be after this because code called from	1390	* check_move_on() must be after this because code called from
1643	* check_move_on() depends on correct map flags (so functions like	1391	* check_move_on() depends on correct map flags (so functions like
1644	* blocked() and wall() work properly), and these flags are updated by	1392	* blocked() and wall() work properly), and these flags are updated by
1645	* update_object().	1393	* update_object().
…		…
1647		1395
1648	/* if this is not the head or flag has been passed, don't check walk on status */	1396	/* if this is not the head or flag has been passed, don't check walk on status */
1649	if (!(flag & INS_NO_WALK_ON) && !op->head)	1397	if (!(flag & INS_NO_WALK_ON) && !op->head)
1650	{	1398	{
1651	if (check_move_on (op, originator))	1399	if (check_move_on (op, originator))
1652	return NULL;	1400	return 0;
1653		1401
1654	/* If we are a multi part object, lets work our way through the check	1402	/* If we are a multi part object, lets work our way through the check
1655	* walk on's.	1403	* walk on's.
1656	*/	1404	*/
1657	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1405	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1658	if (check_move_on (tmp, originator))	1406	if (check_move_on (tmp, originator))
1659	return NULL;	1407	return 0;
1660	}	1408	}
1661		1409
1662	return op;	1410	return op;
1663	}	1411	}
1664		1412
1665	/* this function inserts an object in the map, but if it	1413	/* this function inserts an object in the map, but if it
1666	* finds an object of its own type, it'll remove that one first.	1414	* finds an object of its own type, it'll remove that one first.
1667	* op is the object to insert it under: supplies x and the map.	1415	* op is the object to insert it under: supplies x and the map.
1668	*/	1416	*/
1669	void	1417	void
1670	replace_insert_ob_in_map (const char *arch_string, object *op)	1418	replace_insert_ob_in_map (const char *arch_string, object *op)
1671	{	1419	{
1672	object *tmp;
1673	object *tmp1;	1420	object *tmp, *tmp1;
1674		1421
1675	/* first search for itself and remove any old instances */	1422	/* first search for itself and remove any old instances */
1676		1423
1677	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1424	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1678	{
1679	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1425	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1680	{	1426	tmp->destroy ();
1681	remove_ob (tmp);
1682	free_object (tmp);
1683	}
1684	}
1685		1427
1686	tmp1 = arch_to_object (find_archetype (arch_string));	1428	tmp1 = arch_to_object (archetype::find (arch_string));
1687		1429
1688	tmp1->x = op->x;	1430	tmp1->x = op->x;
1689	tmp1->y = op->y;	1431	tmp1->y = op->y;
1690	insert_ob_in_map (tmp1, op->map, op, 0);	1432	insert_ob_in_map (tmp1, op->map, op, 0);
		1433	}
		1434
		1435	// XXX: function not returning object*
		1436	object *
		1437	object::insert_at (object *where, object *originator, int flags)
		1438	{
		1439	where->map->insert (this, where->x, where->y, originator, flags);
1691	}	1440	}
1692		1441
1693	/*	1442	/*
1694	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1443	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1695	* is returned contains nr objects, and the remaining parts contains	1444	* is returned contains nr objects, and the remaining parts contains
1696	* the rest (or is removed and freed if that number is 0).	1445	* the rest (or is removed and freed if that number is 0).
1697	* On failure, NULL is returned, and the reason put into the	1446	* On failure, NULL is returned, and the reason put into the
1698	* global static errmsg array.	1447	* global static errmsg array.
1699	*/	1448	*/
1700
1701	object *	1449	object *
1702	get_split_ob (object *orig_ob, uint32 nr)	1450	get_split_ob (object *orig_ob, uint32 nr)
1703	{	1451	{
1704	object *	1452	object *newob;
1705	newob;
1706	int
1707	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1453	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1708		1454
1709	if (orig_ob->nrof < nr)	1455	if (orig_ob->nrof < nr)
1710	{	1456	{
1711	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1457	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1712	return NULL;	1458	return NULL;
1713	}	1459	}
		1460
1714	newob = object_create_clone (orig_ob);	1461	newob = object_create_clone (orig_ob);
		1462
1715	if ((orig_ob->nrof -= nr) < 1)	1463	if ((orig_ob->nrof -= nr) < 1)
1716	{	1464	orig_ob->destroy (1);
1717	if (!is_removed)
1718	remove_ob (orig_ob);
1719	free_object2 (orig_ob, 1);
1720	}
1721	else if (!is_removed)	1465	else if (!is_removed)
1722	{	1466	{
1723	if (orig_ob->env != NULL)	1467	if (orig_ob->env != NULL)
1724	sub_weight (orig_ob->env, orig_ob->weight * nr);	1468	sub_weight (orig_ob->env, orig_ob->weight * nr);
1725	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1469	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1727	strcpy (errmsg, "Tried to split object whose map is not in memory.");	1471	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1728	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");	1472	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1729	return NULL;	1473	return NULL;
1730	}	1474	}
1731	}	1475	}
		1476
1732	newob->nrof = nr;	1477	newob->nrof = nr;
1733		1478
1734	return newob;	1479	return newob;
1735	}	1480	}
1736		1481
…		…
1743	*/	1488	*/
1744		1489
1745	object *	1490	object *
1746	decrease_ob_nr (object *op, uint32 i)	1491	decrease_ob_nr (object *op, uint32 i)
1747	{	1492	{
1748	object *	1493	object *tmp;
1749	tmp;
1750	player *
1751	pl;
1752		1494
1753	if (i == 0) /* objects with op->nrof require this check */	1495	if (i == 0) /* objects with op->nrof require this check */
1754	return op;	1496	return op;
1755		1497
1756	if (i > op->nrof)	1498	if (i > op->nrof)
1757	i = op->nrof;	1499	i = op->nrof;
1758		1500
1759	if (QUERY_FLAG (op, FLAG_REMOVED))	1501	if (QUERY_FLAG (op, FLAG_REMOVED))
1760	{
1761	op->nrof -= i;	1502	op->nrof -= i;
1762	}
1763	else if (op->env != NULL)	1503	else if (op->env)
1764	{	1504	{
1765	/* is this object in the players inventory, or sub container	1505	/* is this object in the players inventory, or sub container
1766	* therein?	1506	* therein?
1767	*/	1507	*/
1768	tmp = is_player_inv (op->env);	1508	tmp = op->in_player ();
1769	/* nope. Is this a container the player has opened?	1509	/* nope. Is this a container the player has opened?
1770	* If so, set tmp to that player.	1510	* If so, set tmp to that player.
1771	* IMO, searching through all the players will mostly	1511	* IMO, searching through all the players will mostly
1772	* likely be quicker than following op->env to the map,	1512	* likely be quicker than following op->env to the map,
1773	* and then searching the map for a player.	1513	* and then searching the map for a player.
1774	*/	1514	*/
1775	if (!tmp)	1515	if (!tmp)
1776	{	1516	for_all_players (pl)
1777	for (pl = first_player; pl; pl = pl->next)
1778	if (pl->ob->container == op->env)	1517	if (pl->ob->container == op->env)
		1518	{
		1519	tmp = pl->ob;
1779	break;	1520	break;
1780	if (pl)
1781	tmp = pl->ob;
1782	else
1783	tmp = NULL;
1784	}	1521	}
1785		1522
1786	if (i < op->nrof)	1523	if (i < op->nrof)
1787	{	1524	{
1788	sub_weight (op->env, op->weight * i);	1525	sub_weight (op->env, op->weight * i);
1789	op->nrof -= i;	1526	op->nrof -= i;
1790	if (tmp)	1527	if (tmp)
1791	{
1792	esrv_send_item (tmp, op);	1528	esrv_send_item (tmp, op);
1793	}
1794	}	1529	}
1795	else	1530	else
1796	{	1531	{
1797	remove_ob (op);	1532	op->remove ();
1798	op->nrof = 0;	1533	op->nrof = 0;
1799	if (tmp)	1534	if (tmp)
1800	{
1801	esrv_del_item (tmp->contr, op->count);	1535	esrv_del_item (tmp->contr, op->count);
1802	}
1803	}	1536	}
1804	}	1537	}
1805	else	1538	else
1806	{	1539	{
1807	object *
1808	above = op->above;	1540	object *above = op->above;
1809		1541
1810	if (i < op->nrof)	1542	if (i < op->nrof)
1811	{
1812	op->nrof -= i;	1543	op->nrof -= i;
1813	}
1814	else	1544	else
1815	{	1545	{
1816	remove_ob (op);	1546	op->remove ();
1817	op->nrof = 0;	1547	op->nrof = 0;
1818	}	1548	}
		1549
1819	/* Since we just removed op, op->above is null */	1550	/* Since we just removed op, op->above is null */
1820	for (tmp = above; tmp != NULL; tmp = tmp->above)	1551	for (tmp = above; tmp; tmp = tmp->above)
1821	if (tmp->type == PLAYER)	1552	if (tmp->type == PLAYER)
1822	{	1553	{
1823	if (op->nrof)	1554	if (op->nrof)
1824	esrv_send_item (tmp, op);	1555	esrv_send_item (tmp, op);
1825	else	1556	else
1826	esrv_del_item (tmp->contr, op->count);	1557	esrv_del_item (tmp->contr, op->count);
1827	}	1558	}
1828	}	1559	}
1829		1560
1830	if (op->nrof)	1561	if (op->nrof)
1831	{
1832	return op;	1562	return op;
1833	}
1834	else	1563	else
1835	{	1564	{
1836	free_object (op);	1565	op->destroy ();
1837	return NULL;	1566	return 0;
1838	}	1567	}
1839	}	1568	}
1840		1569
1841	/*	1570	/*
1842	* add_weight(object, weight) adds the specified weight to an object,	1571	* add_weight(object, weight) adds the specified weight to an object,
…		…
1847	add_weight (object *op, signed long weight)	1576	add_weight (object *op, signed long weight)
1848	{	1577	{
1849	while (op != NULL)	1578	while (op != NULL)
1850	{	1579	{
1851	if (op->type == CONTAINER)	1580	if (op->type == CONTAINER)
1852	{
1853	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	1581	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1854	}	1582
1855	op->carrying += weight;	1583	op->carrying += weight;
1856	op = op->env;	1584	op = op->env;
1857	}	1585	}
1858	}	1586	}
1859		1587
		1588	object *
		1589	insert_ob_in_ob (object *op, object *where)
		1590	{
		1591	if (!where)
		1592	{
		1593	char *dump = dump_object (op);
		1594	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1595	free (dump);
		1596	return op;
		1597	}
		1598
		1599	if (where->head)
		1600	{
		1601	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1602	where = where->head;
		1603	}
		1604
		1605	return where->insert (op);
		1606	}
		1607
1860	/*	1608	/*
1861	* insert_ob_in_ob(op,environment):	1609	* env->insert (op)
1862	* This function inserts the object op in the linked list	1610	* This function inserts the object op in the linked list
1863	* inside the object environment.	1611	* inside the object environment.
1864	*	1612	*
1865	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1866	* the inventory at the last position or next to other objects of the same
1867	* type.
1868	* Frank: Now sorted by type, archetype and magic!
1869	*
1870	* The function returns now pointer to inserted item, and return value can	1613	* The function returns now pointer to inserted item, and return value can
1871	* be != op, if items are merged. -Tero	1614	* be != op, if items are merged. -Tero
1872	*/	1615	*/
1873		1616
1874	object *	1617	object *
1875	insert_ob_in_ob (object *op, object *where)	1618	object::insert (object *op)
1876	{	1619	{
1877	object *	1620	object *tmp, *otmp;
1878	tmp, *
1879	otmp;
1880		1621
1881	if (!QUERY_FLAG (op, FLAG_REMOVED))	1622	if (!QUERY_FLAG (op, FLAG_REMOVED))
1882	{	1623	op->remove ();
1883	dump_object (op);	1624
1884	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1885	return op;
1886	}
1887	if (where == NULL)
1888	{
1889	dump_object (op);
1890	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1891	return op;
1892	}
1893	if (where->head)
1894	{
1895	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1896	where = where->head;
1897	}
1898	if (op->more)	1625	if (op->more)
1899	{	1626	{
1900	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1627	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1901	return op;	1628	return op;
1902	}	1629	}
		1630
1903	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1631	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1904	CLEAR_FLAG (op, FLAG_REMOVED);	1632	CLEAR_FLAG (op, FLAG_REMOVED);
1905	if (op->nrof)	1633	if (op->nrof)
1906	{	1634	{
1907	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1635	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1908	if (CAN_MERGE (tmp, op))	1636	if (object::can_merge (tmp, op))
1909	{	1637	{
1910	/* return the original object and remove inserted object	1638	/* return the original object and remove inserted object
1911	(client needs the original object) */	1639	(client needs the original object) */
1912	tmp->nrof += op->nrof;	1640	tmp->nrof += op->nrof;
1913	/* Weight handling gets pretty funky. Since we are adding to	1641	/* Weight handling gets pretty funky. Since we are adding to
1914	* tmp->nrof, we need to increase the weight.	1642	* tmp->nrof, we need to increase the weight.
1915	*/	1643	*/
1916	add_weight (where, op->weight * op->nrof);	1644	add_weight (this, op->weight * op->nrof);
1917	SET_FLAG (op, FLAG_REMOVED);	1645	SET_FLAG (op, FLAG_REMOVED);
1918	free_object (op); /* free the inserted object */	1646	op->destroy (); /* free the inserted object */
1919	op = tmp;	1647	op = tmp;
1920	remove_ob (op); /* and fix old object's links */	1648	op->remove (); /* and fix old object's links */
1921	CLEAR_FLAG (op, FLAG_REMOVED);	1649	CLEAR_FLAG (op, FLAG_REMOVED);
1922	break;	1650	break;
1923	}	1651	}
1924		1652
1925	/* I assume combined objects have no inventory	1653	/* I assume combined objects have no inventory
1926	* We add the weight - this object could have just been removed	1654	* We add the weight - this object could have just been removed
1927	* (if it was possible to merge). calling remove_ob will subtract	1655	* (if it was possible to merge). calling remove_ob will subtract
1928	* the weight, so we need to add it in again, since we actually do	1656	* the weight, so we need to add it in again, since we actually do
1929	* the linking below	1657	* the linking below
1930	*/	1658	*/
1931	add_weight (where, op->weight * op->nrof);	1659	add_weight (this, op->weight * op->nrof);
1932	}	1660	}
1933	else	1661	else
1934	add_weight (where, (op->weight + op->carrying));	1662	add_weight (this, (op->weight + op->carrying));
1935		1663
1936	otmp = is_player_inv (where);	1664	otmp = this->in_player ();
1937	if (otmp && otmp->contr != NULL)	1665	if (otmp && otmp->contr)
1938	{
1939	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1666	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1940	fix_player (otmp);	1667	otmp->update_stats ();
1941	}
1942		1668
1943	op->map = NULL;	1669	op->map = 0;
1944	op->env = where;	1670	op->env = this;
1945	op->above = NULL;	1671	op->above = 0;
1946	op->below = NULL;	1672	op->below = 0;
1947	op->x = 0, op->y = 0;	1673	op->x = 0, op->y = 0;
1948		1674
1949	/* reset the light list and los of the players on the map */	1675	/* reset the light list and los of the players on the map */
1950	if ((op->glow_radius != 0) && where->map)	1676	if ((op->glow_radius != 0) && map)
1951	{	1677	{
1952	#ifdef DEBUG_LIGHTS	1678	#ifdef DEBUG_LIGHTS
1953	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1679	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1954	#endif /* DEBUG_LIGHTS */	1680	#endif /* DEBUG_LIGHTS */
1955	if (MAP_DARKNESS (where->map))	1681	if (map->darkness)
1956	update_all_los (where->map, where->x, where->y);	1682	update_all_los (map, x, y);
1957	}	1683	}
1958		1684
1959	/* Client has no idea of ordering so lets not bother ordering it here.	1685	/* Client has no idea of ordering so lets not bother ordering it here.
1960	* It sure simplifies this function...	1686	* It sure simplifies this function...
1961	*/	1687	*/
1962	if (where->inv == NULL)	1688	if (!inv)
1963	where->inv = op;	1689	inv = op;
1964	else	1690	else
1965	{	1691	{
1966	op->below = where->inv;	1692	op->below = inv;
1967	op->below->above = op;	1693	op->below->above = op;
1968	where->inv = op;	1694	inv = op;
1969	}	1695	}
		1696
		1697	INVOKE_OBJECT (INSERT, this);
		1698
1970	return op;	1699	return op;
1971	}	1700	}
1972		1701
1973	/*	1702	/*
1974	* Checks if any objects has a move_type that matches objects	1703	* Checks if any objects has a move_type that matches objects
…		…
1988	*	1717	*
1989	* MSW 2001-07-08: Check all objects on space, not just those below	1718	* MSW 2001-07-08: Check all objects on space, not just those below
1990	* object being inserted. insert_ob_in_map may not put new objects	1719	* object being inserted. insert_ob_in_map may not put new objects
1991	* on top.	1720	* on top.
1992	*/	1721	*/
1993
1994	int	1722	int
1995	check_move_on (object *op, object *originator)	1723	check_move_on (object *op, object *originator)
1996	{	1724	{
1997	object *tmp;	1725	object *tmp;
1998	tag_t tag;
1999	mapstruct *m = op->map;	1726	maptile *m = op->map;
2000	int x = op->x, y = op->y;	1727	int x = op->x, y = op->y;
2001		1728
2002	MoveType move_on, move_slow, move_block;	1729	MoveType move_on, move_slow, move_block;
2003		1730
2004	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1731	if (QUERY_FLAG (op, FLAG_NO_APPLY))
2005	return 0;	1732	return 0;
2006
2007	tag = op->count;
2008		1733
2009	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1734	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
2010	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1735	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
2011	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1736	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
2012		1737
…		…
2028		1753
2029	/* The objects have to be checked from top to bottom.	1754	/* The objects have to be checked from top to bottom.
2030	* Hence, we first go to the top:	1755	* Hence, we first go to the top:
2031	*/	1756	*/
2032		1757
2033	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1758	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
2034	{	1759	{
2035	/* Trim the search when we find the first other spell effect	1760	/* Trim the search when we find the first other spell effect
2036	* this helps performance so that if a space has 50 spell objects,	1761	* this helps performance so that if a space has 50 spell objects,
2037	* we don't need to check all of them.	1762	* we don't need to check all of them.
2038	*/	1763	*/
…		…
2055	{	1780	{
2056	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1781	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2057	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1782	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
2058	{	1783	{
2059		1784
		1785	float
2060	float diff = tmp->move_slow_penalty * FABS (op->speed);	1786	diff = tmp->move_slow_penalty * fabs (op->speed);
2061		1787
2062	if (op->type == PLAYER)	1788	if (op->type == PLAYER)
2063	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1789	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
2064	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1790	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2065	diff /= 4.0;	1791	diff /= 4.0;
…		…
2072	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1798	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2073	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1799	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
2074	{	1800	{
2075	move_apply (tmp, op, originator);	1801	move_apply (tmp, op, originator);
2076		1802
2077	if (was_destroyed (op, tag))	1803	if (op->destroyed ())
2078	return 1;	1804	return 1;
2079		1805
2080	/* what the person/creature stepped onto has moved the object	1806	/* what the person/creature stepped onto has moved the object
2081	* someplace new. Don't process any further - if we did,	1807	* someplace new. Don't process any further - if we did,
2082	* have a feeling strange problems would result.	1808	* have a feeling strange problems would result.
…		…
2092	/*	1818	/*
2093	* present_arch(arch, map, x, y) searches for any objects with	1819	* present_arch(arch, map, x, y) searches for any objects with
2094	* a matching archetype at the given map and coordinates.	1820	* a matching archetype at the given map and coordinates.
2095	* The first matching object is returned, or NULL if none.	1821	* The first matching object is returned, or NULL if none.
2096	*/	1822	*/
2097
2098	object *	1823	object *
2099	present_arch (const archetype *at, mapstruct *m, int x, int y)	1824	present_arch (const archetype *at, maptile *m, int x, int y)
2100	{	1825	{
2101	object *
2102	tmp;
2103
2104	if (m == NULL || out_of_map (m, x, y))	1826	if (!m || out_of_map (m, x, y))
2105	{	1827	{
2106	LOG (llevError, "Present_arch called outside map.\n");	1828	LOG (llevError, "Present_arch called outside map.\n");
2107	return NULL;	1829	return NULL;
2108	}	1830	}
2109	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1831
		1832	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2110	if (tmp->arch == at)	1833	if (tmp->arch == at)
2111	return tmp;	1834	return tmp;
		1835
2112	return NULL;	1836	return NULL;
2113	}	1837	}
2114		1838
2115	/*	1839	/*
2116	* present(type, map, x, y) searches for any objects with	1840	* present(type, map, x, y) searches for any objects with
2117	* a matching type variable at the given map and coordinates.	1841	* a matching type variable at the given map and coordinates.
2118	* The first matching object is returned, or NULL if none.	1842	* The first matching object is returned, or NULL if none.
2119	*/	1843	*/
2120
2121	object *	1844	object *
2122	present (unsigned char type, mapstruct *m, int x, int y)	1845	present (unsigned char type, maptile *m, int x, int y)
2123	{	1846	{
2124	object *
2125	tmp;
2126
2127	if (out_of_map (m, x, y))	1847	if (out_of_map (m, x, y))
2128	{	1848	{
2129	LOG (llevError, "Present called outside map.\n");	1849	LOG (llevError, "Present called outside map.\n");
2130	return NULL;	1850	return NULL;
2131	}	1851	}
2132	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1852
		1853	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2133	if (tmp->type == type)	1854	if (tmp->type == type)
2134	return tmp;	1855	return tmp;
		1856
2135	return NULL;	1857	return NULL;
2136	}	1858	}
2137		1859
2138	/*	1860	/*
2139	* present_in_ob(type, object) searches for any objects with	1861	* present_in_ob(type, object) searches for any objects with
2140	* a matching type variable in the inventory of the given object.	1862	* a matching type variable in the inventory of the given object.
2141	* The first matching object is returned, or NULL if none.	1863	* The first matching object is returned, or NULL if none.
2142	*/	1864	*/
2143
2144	object *	1865	object *
2145	present_in_ob (unsigned char type, const object *op)	1866	present_in_ob (unsigned char type, const object *op)
2146	{	1867	{
2147	object *
2148	tmp;
2149
2150	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1868	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2151	if (tmp->type == type)	1869	if (tmp->type == type)
2152	return tmp;	1870	return tmp;
		1871
2153	return NULL;	1872	return NULL;
2154	}	1873	}
2155		1874
2156	/*	1875	/*
2157	* present_in_ob (type, str, object) searches for any objects with	1876	* present_in_ob (type, str, object) searches for any objects with
…		…
2165	* str is the string to match against. Note that we match against	1884	* str is the string to match against. Note that we match against
2166	* the object name, not the archetype name. this is so that the	1885	* the object name, not the archetype name. this is so that the
2167	* spell code can use one object type (force), but change it's name	1886	* spell code can use one object type (force), but change it's name
2168	* to be unique.	1887	* to be unique.
2169	*/	1888	*/
2170
2171	object *	1889	object *
2172	present_in_ob_by_name (int type, const char *str, const object *op)	1890	present_in_ob_by_name (int type, const char *str, const object *op)
2173	{	1891	{
2174	object *
2175	tmp;
2176
2177	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1892	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2178	{
2179	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1893	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2180	return tmp;	1894	return tmp;
2181	}	1895
2182	return NULL;	1896	return 0;
2183	}	1897	}
2184		1898
2185	/*	1899	/*
2186	* present_arch_in_ob(archetype, object) searches for any objects with	1900	* present_arch_in_ob(archetype, object) searches for any objects with
2187	* a matching archetype in the inventory of the given object.	1901	* a matching archetype in the inventory of the given object.
2188	* The first matching object is returned, or NULL if none.	1902	* The first matching object is returned, or NULL if none.
2189	*/	1903	*/
2190
2191	object *	1904	object *
2192	present_arch_in_ob (const archetype *at, const object *op)	1905	present_arch_in_ob (const archetype *at, const object *op)
2193	{	1906	{
2194	object *
2195	tmp;
2196
2197	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1907	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2198	if (tmp->arch == at)	1908	if (tmp->arch == at)
2199	return tmp;	1909	return tmp;
		1910
2200	return NULL;	1911	return NULL;
2201	}	1912	}
2202		1913
2203	/*	1914	/*
2204	* activate recursively a flag on an object inventory	1915	* activate recursively a flag on an object inventory
2205	*/	1916	*/
2206	void	1917	void
2207	flag_inv (object *op, int flag)	1918	flag_inv (object *op, int flag)
2208	{	1919	{
2209	object *
2210	tmp;
2211
2212	if (op->inv)	1920	if (op->inv)
2213	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1921	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2214	{	1922	{
2215	SET_FLAG (tmp, flag);	1923	SET_FLAG (tmp, flag);
2216	flag_inv (tmp, flag);	1924	flag_inv (tmp, flag);
2217	}	1925	}
2218	} /*	1926	}
		1927
		1928	/*
2219	* desactivate recursively a flag on an object inventory	1929	* deactivate recursively a flag on an object inventory
2220	*/	1930	*/
2221	void	1931	void
2222	unflag_inv (object *op, int flag)	1932	unflag_inv (object *op, int flag)
2223	{	1933	{
2224	object *
2225	tmp;
2226
2227	if (op->inv)	1934	if (op->inv)
2228	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1935	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2229	{	1936	{
2230	CLEAR_FLAG (tmp, flag);	1937	CLEAR_FLAG (tmp, flag);
2231	unflag_inv (tmp, flag);	1938	unflag_inv (tmp, flag);
2232	}	1939	}
2233	}	1940	}
…		…
2236	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in	1943	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2237	* all it's inventory (recursively).	1944	* all it's inventory (recursively).
2238	* If checksums are used, a player will get set_cheat called for	1945	* If checksums are used, a player will get set_cheat called for
2239	* him/her-self and all object carried by a call to this function.	1946	* him/her-self and all object carried by a call to this function.
2240	*/	1947	*/
2241
2242	void	1948	void
2243	set_cheat (object *op)	1949	set_cheat (object *op)
2244	{	1950	{
2245	SET_FLAG (op, FLAG_WAS_WIZ);	1951	SET_FLAG (op, FLAG_WAS_WIZ);
2246	flag_inv (op, FLAG_WAS_WIZ);	1952	flag_inv (op, FLAG_WAS_WIZ);
…		…
2265	* because arch_blocked (now ob_blocked) needs to know the movement type	1971	* because arch_blocked (now ob_blocked) needs to know the movement type
2266	* to know if the space in question will block the object. We can't use	1972	* to know if the space in question will block the object. We can't use
2267	* the archetype because that isn't correct if the monster has been	1973	* the archetype because that isn't correct if the monster has been
2268	* customized, changed states, etc.	1974	* customized, changed states, etc.
2269	*/	1975	*/
2270
2271	int	1976	int
2272	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	1977	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2273	{	1978	{
2274	int
2275	i,
2276	index = 0, flag;	1979	int index = 0, flag;
2277	static int
2278	altern[SIZEOFFREE];	1980	int altern[SIZEOFFREE];
2279		1981
2280	for (i = start; i < stop; i++)	1982	for (int i = start; i < stop; i++)
2281	{	1983	{
2282	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1984	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2283	if (!flag)	1985	if (!flag)
2284	altern[index++] = i;	1986	altern [index++] = i;
2285		1987
2286	/* Basically, if we find a wall on a space, we cut down the search size.	1988	/* Basically, if we find a wall on a space, we cut down the search size.
2287	* In this way, we won't return spaces that are on another side of a wall.	1989	* In this way, we won't return spaces that are on another side of a wall.
2288	* This mostly work, but it cuts down the search size in all directions -	1990	* This mostly work, but it cuts down the search size in all directions -
2289	* if the space being examined only has a wall to the north and empty	1991	* if the space being examined only has a wall to the north and empty
2290	* spaces in all the other directions, this will reduce the search space	1992	* spaces in all the other directions, this will reduce the search space
2291	* to only the spaces immediately surrounding the target area, and	1993	* to only the spaces immediately surrounding the target area, and
2292	* won't look 2 spaces south of the target space.	1994	* won't look 2 spaces south of the target space.
2293	*/	1995	*/
2294	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	1996	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2295	stop = maxfree[i];	1997	stop = maxfree[i];
2296	}	1998	}
		1999
2297	if (!index)	2000	if (!index)
2298	return -1;	2001	return -1;
		2002
2299	return altern[RANDOM () % index];	2003	return altern [rndm (index)];
2300	}	2004	}
2301		2005
2302	/*	2006	/*
2303	* find_first_free_spot(archetype, mapstruct, x, y) works like	2007	* find_first_free_spot(archetype, maptile, x, y) works like
2304	* find_free_spot(), but it will search max number of squares.	2008	* find_free_spot(), but it will search max number of squares.
2305	* But it will return the first available spot, not a random choice.	2009	* But it will return the first available spot, not a random choice.
2306	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2010	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2307	*/	2011	*/
2308
2309	int	2012	int
2310	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2013	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2311	{	2014	{
2312	int
2313	i;
2314
2315	for (i = 0; i < SIZEOFFREE; i++)	2015	for (int i = 0; i < SIZEOFFREE; i++)
2316	{
2317	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2016	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2318	return i;	2017	return i;
2319	}	2018
2320	return -1;	2019	return -1;
2321	}	2020	}
2322		2021
2323	/*	2022	/*
2324	* The function permute(arr, begin, end) randomly reorders the array	2023	* The function permute(arr, begin, end) randomly reorders the array
2325	* arr[begin..end-1].	2024	* arr[begin..end-1].
		2025	* now uses a fisher-yates shuffle, old permute was broken
2326	*/	2026	*/
2327	static void	2027	static void
2328	permute (int *arr, int begin, int end)	2028	permute (int *arr, int begin, int end)
2329	{	2029	{
2330	int	2030	arr += begin;
2331	i,
2332	j,
2333	tmp,
2334	len;
2335
2336	len = end - begin;	2031	end -= begin;
2337	for (i = begin; i < end; i++)
2338	{
2339	j = begin + RANDOM () % len;
2340		2032
2341	tmp = arr[i];	2033	while (--end)
2342	arr[i] = arr[j];	2034	swap (arr [end], arr [rndm (end + 1)]);
2343	arr[j] = tmp;
2344	}
2345	}	2035	}
2346		2036
2347	/* new function to make monster searching more efficient, and effective!	2037	/* new function to make monster searching more efficient, and effective!
2348	* This basically returns a randomized array (in the passed pointer) of	2038	* This basically returns a randomized array (in the passed pointer) of
2349	* the spaces to find monsters. In this way, it won't always look for	2039	* the spaces to find monsters. In this way, it won't always look for
…		…
2352	* the 3x3 area will be searched, just not in a predictable order.	2042	* the 3x3 area will be searched, just not in a predictable order.
2353	*/	2043	*/
2354	void	2044	void
2355	get_search_arr (int *search_arr)	2045	get_search_arr (int *search_arr)
2356	{	2046	{
2357	int	2047	int i;
2358	i;
2359		2048
2360	for (i = 0; i < SIZEOFFREE; i++)	2049	for (i = 0; i < SIZEOFFREE; i++)
2361	{
2362	search_arr[i] = i;	2050	search_arr[i] = i;
2363	}
2364		2051
2365	permute (search_arr, 1, SIZEOFFREE1 + 1);	2052	permute (search_arr, 1, SIZEOFFREE1 + 1);
2366	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2053	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2367	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2054	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2368	}	2055	}
…		…
2377	* Perhaps incorrectly, but I'm making the assumption that exclude	2064	* Perhaps incorrectly, but I'm making the assumption that exclude
2378	* is actually want is going to try and move there. We need this info	2065	* is actually want is going to try and move there. We need this info
2379	* because we have to know what movement the thing looking to move	2066	* because we have to know what movement the thing looking to move
2380	* there is capable of.	2067	* there is capable of.
2381	*/	2068	*/
2382
2383	int	2069	int
2384	find_dir (mapstruct *m, int x, int y, object *exclude)	2070	find_dir (maptile *m, int x, int y, object *exclude)
2385	{	2071	{
2386	int
2387	i,
2388	max = SIZEOFFREE, mflags;	2072	int i, max = SIZEOFFREE, mflags;
2389	sint16	2073
2390	nx,	2074	sint16 nx, ny;
2391	ny;
2392	object *	2075	object *tmp;
2393	tmp;	2076	maptile *mp;
2394	mapstruct *	2077
2395	mp;	2078	MoveType blocked, move_type;
2396	MoveType
2397	blocked,
2398	move_type;
2399		2079
2400	if (exclude && exclude->head)	2080	if (exclude && exclude->head)
2401	{	2081	{
2402	exclude = exclude->head;	2082	exclude = exclude->head;
2403	move_type = exclude->move_type;	2083	move_type = exclude->move_type;
…		…
2413	mp = m;	2093	mp = m;
2414	nx = x + freearr_x[i];	2094	nx = x + freearr_x[i];
2415	ny = y + freearr_y[i];	2095	ny = y + freearr_y[i];
2416		2096
2417	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2097	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2098
2418	if (mflags & P_OUT_OF_MAP)	2099	if (mflags & P_OUT_OF_MAP)
2419	{
2420	max = maxfree[i];	2100	max = maxfree[i];
2421	}
2422	else	2101	else
2423	{	2102	{
2424	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2103	mapspace &ms = mp->at (nx, ny);
		2104
		2105	blocked = ms.move_block;
2425		2106
2426	if ((move_type & blocked) == move_type)	2107	if ((move_type & blocked) == move_type)
2427	{
2428	max = maxfree[i];	2108	max = maxfree[i];
2429	}
2430	else if (mflags & P_IS_ALIVE)	2109	else if (mflags & P_IS_ALIVE)
2431	{	2110	{
2432	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2111	for (tmp = ms.bot; tmp; tmp = tmp->above)
2433	{	2112	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2434	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2113	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))
2435	{
2436	break;	2114	break;
2437	}	2115
2438	}
2439	if (tmp)	2116	if (tmp)
2440	{
2441	return freedir[i];	2117	return freedir[i];
2442	}
2443	}	2118	}
2444	}	2119	}
2445	}	2120	}
		2121
2446	return 0;	2122	return 0;
2447	}	2123	}
2448		2124
2449	/*	2125	/*
2450	* distance(object 1, object 2) will return the square of the	2126	* distance(object 1, object 2) will return the square of the
2451	* distance between the two given objects.	2127	* distance between the two given objects.
2452	*/	2128	*/
2453
2454	int	2129	int
2455	distance (const object *ob1, const object *ob2)	2130	distance (const object *ob1, const object *ob2)
2456	{	2131	{
2457	int
2458	i;
2459
2460	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2132	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2461	return i;
2462	}	2133	}
2463		2134
2464	/*	2135	/*
2465	* find_dir_2(delta-x,delta-y) will return a direction in which	2136	* find_dir_2(delta-x,delta-y) will return a direction in which
2466	* an object which has subtracted the x and y coordinates of another	2137	* an object which has subtracted the x and y coordinates of another
2467	* object, needs to travel toward it.	2138	* object, needs to travel toward it.
2468	*/	2139	*/
2469
2470	int	2140	int
2471	find_dir_2 (int x, int y)	2141	find_dir_2 (int x, int y)
2472	{	2142	{
2473	int	2143	int q;
2474	q;
2475		2144
2476	if (y)	2145	if (y)
2477	q = x * 100 / y;	2146	q = x * 100 / y;
2478	else if (x)	2147	else if (x)
2479	q = -300 * x;	2148	q = -300 * x;
…		…
2504		2173
2505	return 3;	2174	return 3;
2506	}	2175	}
2507		2176
2508	/*	2177	/*
2509	* absdir(int): Returns a number between 1 and 8, which represent
2510	* the "absolute" direction of a number (it actually takes care of
2511	* "overflow" in previous calculations of a direction).
2512	*/
2513
2514	int
2515	absdir (int d)
2516	{
2517	while (d < 1)
2518	d += 8;
2519	while (d > 8)
2520	d -= 8;
2521	return d;
2522	}
2523
2524	/*
2525	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2178	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2526	* between two directions (which are expected to be absolute (see absdir())	2179	* between two directions (which are expected to be absolute (see absdir())
2527	*/	2180	*/
2528
2529	int	2181	int
2530	dirdiff (int dir1, int dir2)	2182	dirdiff (int dir1, int dir2)
2531	{	2183	{
2532	int	2184	int d;
2533	d;
2534		2185
2535	d = abs (dir1 - dir2);	2186	d = abs (dir1 - dir2);
2536	if (d > 4)	2187	if (d > 4)
2537	d = 8 - d;	2188	d = 8 - d;
		2189
2538	return d;	2190	return d;
2539	}	2191	}
2540		2192
2541	/* peterm:	2193	/* peterm:
2542	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2194	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2545	* This basically means that if direction is 15, then it could either go	2197	* This basically means that if direction is 15, then it could either go
2546	* direction 4, 14, or 16 to get back to where we are.	2198	* direction 4, 14, or 16 to get back to where we are.
2547	* Moved from spell_util.c to object.c with the other related direction	2199	* Moved from spell_util.c to object.c with the other related direction
2548	* functions.	2200	* functions.
2549	*/	2201	*/
2550
2551	int
2552	reduction_dir[SIZEOFFREE][3] = {	2202	int reduction_dir[SIZEOFFREE][3] = {
2553	{0, 0, 0}, /* 0 */	2203	{0, 0, 0}, /* 0 */
2554	{0, 0, 0}, /* 1 */	2204	{0, 0, 0}, /* 1 */
2555	{0, 0, 0}, /* 2 */	2205	{0, 0, 0}, /* 2 */
2556	{0, 0, 0}, /* 3 */	2206	{0, 0, 0}, /* 3 */
2557	{0, 0, 0}, /* 4 */	2207	{0, 0, 0}, /* 4 */
…		…
2605	* find a path to that monster that we found. If not,	2255	* find a path to that monster that we found. If not,
2606	* we don't bother going toward it. Returns 1 if we	2256	* we don't bother going toward it. Returns 1 if we
2607	* can see a direct way to get it	2257	* can see a direct way to get it
2608	* Modified to be map tile aware -.MSW	2258	* Modified to be map tile aware -.MSW
2609	*/	2259	*/
2610
2611
2612	int	2260	int
2613	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2261	can_see_monsterP (maptile *m, int x, int y, int dir)
2614	{	2262	{
2615	sint16	2263	sint16 dx, dy;
2616	dx,
2617	dy;
2618	int
2619	mflags;	2264	int mflags;
2620		2265
2621	if (dir < 0)	2266	if (dir < 0)
2622	return 0; /* exit condition: invalid direction */	2267	return 0; /* exit condition: invalid direction */
2623		2268
2624	dx = x + freearr_x[dir];	2269	dx = x + freearr_x[dir];
…		…
2637	return 0;	2282	return 0;
2638		2283
2639	/* yes, can see. */	2284	/* yes, can see. */
2640	if (dir < 9)	2285	if (dir < 9)
2641	return 1;	2286	return 1;
		2287
2642	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2288	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2643	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2289	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2290	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2644	}	2291	}
2645
2646
2647		2292
2648	/*	2293	/*
2649	* can_pick(picker, item): finds out if an object is possible to be	2294	* can_pick(picker, item): finds out if an object is possible to be
2650	* picked up by the picker. Returnes 1 if it can be	2295	* picked up by the picker. Returnes 1 if it can be
2651	* picked up, otherwise 0.	2296	* picked up, otherwise 0.
…		…
2662	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2307	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2663	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2308	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2664	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2309	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2665	}	2310	}
2666		2311
2667
2668	/*	2312	/*
2669	* create clone from object to another	2313	* create clone from object to another
2670	*/	2314	*/
2671	object *	2315	object *
2672	object_create_clone (object *asrc)	2316	object_create_clone (object *asrc)
2673	{	2317	{
2674	object *
2675	dst = NULL, *tmp, *src, *part, *prev, *item;	2318	object *dst = 0, *tmp, *src, *part, *prev, *item;
2676		2319
2677	if (!asrc)	2320	if (!asrc)
2678	return NULL;	2321	return 0;
		2322
2679	src = asrc;	2323	src = asrc;
2680	if (src->head)	2324	if (src->head)
2681	src = src->head;	2325	src = src->head;
2682		2326
2683	prev = NULL;	2327	prev = 0;
2684	for (part = src; part; part = part->more)	2328	for (part = src; part; part = part->more)
2685	{	2329	{
2686	tmp = get_object ();	2330	tmp = part->clone ();
2687	copy_object (part, tmp);
2688	tmp->x -= src->x;	2331	tmp->x -= src->x;
2689	tmp->y -= src->y;	2332	tmp->y -= src->y;
		2333
2690	if (!part->head)	2334	if (!part->head)
2691	{	2335	{
2692	dst = tmp;	2336	dst = tmp;
2693	tmp->head = NULL;	2337	tmp->head = 0;
2694	}	2338	}
2695	else	2339	else
2696	{
2697	tmp->head = dst;	2340	tmp->head = dst;
2698	}	2341
2699	tmp->more = NULL;	2342	tmp->more = 0;
		2343
2700	if (prev)	2344	if (prev)
2701	prev->more = tmp;	2345	prev->more = tmp;
		2346
2702	prev = tmp;	2347	prev = tmp;
2703	}	2348	}
2704		2349
2705	/*** copy inventory ***/
2706	for (item = src->inv; item; item = item->below)	2350	for (item = src->inv; item; item = item->below)
2707	{
2708	(void) insert_ob_in_ob (object_create_clone (item), dst);	2351	insert_ob_in_ob (object_create_clone (item), dst);
2709	}
2710		2352
2711	return dst;	2353	return dst;
2712	}
2713
2714	/* return true if the object was destroyed, 0 otherwise */
2715	int
2716	was_destroyed (const object *op, tag_t old_tag)
2717	{
2718	/* checking for FLAG_FREED isn't necessary, but makes this function more
2719	* robust */
2720	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2721	}
2722
2723	/* GROS - Creates an object using a string representing its content. */
2724
2725	/* Basically, we save the content of the string to a temp file, then call */
2726
2727	/* load_object on it. I admit it is a highly inefficient way to make things, */
2728
2729	/* but it was simple to make and allows reusing the load_object function. */
2730
2731	/* Remember not to use load_object_str in a time-critical situation. */
2732
2733	/* Also remember that multiparts objects are not supported for now. */
2734
2735	object *
2736	load_object_str (const char *obstr)
2737	{
2738	object *
2739	op;
2740	char
2741	filename[MAX_BUF];
2742
2743	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2744
2745	FILE *
2746	tempfile = fopen (filename, "w");
2747
2748	if (tempfile == NULL)
2749	{
2750	LOG (llevError, "Error - Unable to access load object temp file\n");
2751	return NULL;
2752	};
2753	fprintf (tempfile, obstr);
2754	fclose (tempfile);
2755
2756	op = get_object ();
2757
2758	object_thawer
2759	thawer (filename);
2760
2761	if (thawer)
2762	load_object (thawer, op, 0);
2763
2764	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2765	CLEAR_FLAG (op, FLAG_REMOVED);
2766
2767	return op;
2768	}	2354	}
2769		2355
2770	/* This returns the first object in who's inventory that	2356	/* This returns the first object in who's inventory that
2771	* has the same type and subtype match.	2357	* has the same type and subtype match.
2772	* returns NULL if no match.	2358	* returns NULL if no match.
2773	*/	2359	*/
2774	object *	2360	object *
2775	find_obj_by_type_subtype (const object *who, int type, int subtype)	2361	find_obj_by_type_subtype (const object *who, int type, int subtype)
2776	{	2362	{
2777	object *
2778	tmp;
2779
2780	for (tmp = who->inv; tmp; tmp = tmp->below)	2363	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2781	if (tmp->type == type && tmp->subtype == subtype)	2364	if (tmp->type == type && tmp->subtype == subtype)
2782	return tmp;	2365	return tmp;
2783		2366
2784	return NULL;	2367	return 0;
2785	}	2368	}
2786		2369
2787	/* If ob has a field named key, return the link from the list,	2370	/* If ob has a field named key, return the link from the list,
2788	* otherwise return NULL.	2371	* otherwise return NULL.
2789	*	2372	*
…		…
2791	* do the desired thing.	2374	* do the desired thing.
2792	*/	2375	*/
2793	key_value *	2376	key_value *
2794	get_ob_key_link (const object *ob, const char *key)	2377	get_ob_key_link (const object *ob, const char *key)
2795	{	2378	{
2796	key_value *
2797	link;
2798
2799	for (link = ob->key_values; link != NULL; link = link->next)	2379	for (key_value *link = ob->key_values; link; link = link->next)
2800	{
2801	if (link->key == key)	2380	if (link->key == key)
2802	{
2803	return link;	2381	return link;
2804	}
2805	}
2806		2382
2807	return NULL;	2383	return 0;
2808	}	2384	}
2809		2385
2810	/*	2386	/*
2811	* Returns the value of op has an extra_field for key, or NULL.	2387	* Returns the value of op has an extra_field for key, or NULL.
2812	*	2388	*
…		…
2815	* The returned string is shared.	2391	* The returned string is shared.
2816	*/	2392	*/
2817	const char *	2393	const char *
2818	get_ob_key_value (const object *op, const char *const key)	2394	get_ob_key_value (const object *op, const char *const key)
2819	{	2395	{
2820	key_value *	2396	key_value *link;
2821	link;	2397	shstr_cmp canonical_key (key);
2822	const char *
2823	canonical_key;
2824		2398
2825	canonical_key = shstr::find (key);
2826
2827	if (canonical_key == NULL)	2399	if (!canonical_key)
2828	{	2400	{
2829	/* 1. There being a field named key on any object	2401	/* 1. There being a field named key on any object
2830	* implies there'd be a shared string to find.	2402	* implies there'd be a shared string to find.
2831	* 2. Since there isn't, no object has this field.	2403	* 2. Since there isn't, no object has this field.
2832	* 3. Therefore, *this* object doesn't have this field.	2404	* 3. Therefore, *this* object doesn't have this field.
2833	*/	2405	*/
2834	return NULL;	2406	return 0;
2835	}	2407	}
2836		2408
2837	/* This is copied from get_ob_key_link() above -	2409	/* This is copied from get_ob_key_link() above -
2838	* only 4 lines, and saves the function call overhead.	2410	* only 4 lines, and saves the function call overhead.
2839	*/	2411	*/
2840	for (link = op->key_values; link != NULL; link = link->next)	2412	for (link = op->key_values; link; link = link->next)
2841	{
2842	if (link->key == canonical_key)	2413	if (link->key == canonical_key)
2843	{
2844	return link->value;	2414	return link->value;
2845	}	2415
2846	}
2847	return NULL;	2416	return 0;
2848	}	2417	}
2849
2850		2418
2851	/*	2419	/*
2852	* Updates the canonical_key in op to value.	2420	* Updates the canonical_key in op to value.
2853	*	2421	*
2854	* canonical_key is a shared string (value doesn't have to be).	2422	* canonical_key is a shared string (value doesn't have to be).
…		…
2859	* Returns TRUE on success.	2427	* Returns TRUE on success.
2860	*/	2428	*/
2861	int	2429	int
2862	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2430	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2863	{	2431	{
2864	key_value *
2865	field = NULL, *last = NULL;	2432	key_value *field = NULL, *last = NULL;
2866		2433
2867	for (field = op->key_values; field != NULL; field = field->next)	2434	for (field = op->key_values; field != NULL; field = field->next)
2868	{	2435	{
2869	if (field->key != canonical_key)	2436	if (field->key != canonical_key)
2870	{	2437	{
…		…
2888	if (last)	2455	if (last)
2889	last->next = field->next;	2456	last->next = field->next;
2890	else	2457	else
2891	op->key_values = field->next;	2458	op->key_values = field->next;
2892		2459
2893	delete
2894	field;	2460	delete field;
2895	}	2461	}
2896	}	2462	}
2897	return TRUE;	2463	return TRUE;
2898	}	2464	}
2899	/* IF we get here, key doesn't exist */	2465	/* IF we get here, key doesn't exist */
2900		2466
2901	/* No field, we'll have to add it. */	2467	/* No field, we'll have to add it. */
2902		2468
2903	if (!add_key)	2469	if (!add_key)
2904	{
2905	return FALSE;	2470	return FALSE;
2906	}	2471
2907	/* There isn't any good reason to store a null	2472	/* There isn't any good reason to store a null
2908	* value in the key/value list. If the archetype has	2473	* value in the key/value list. If the archetype has
2909	* this key, then we should also have it, so shouldn't	2474	* this key, then we should also have it, so shouldn't
2910	* be here. If user wants to store empty strings,	2475	* be here. If user wants to store empty strings,
2911	* should pass in ""	2476	* should pass in ""
…		…
2934	* Returns TRUE on success.	2499	* Returns TRUE on success.
2935	*/	2500	*/
2936	int	2501	int
2937	set_ob_key_value (object *op, const char *key, const char *value, int add_key)	2502	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2938	{	2503	{
2939	shstr
2940	key_ (key);	2504	shstr key_ (key);
2941		2505
2942	return set_ob_key_value_s (op, key_, value, add_key);	2506	return set_ob_key_value_s (op, key_, value, add_key);
2943	}	2507	}
		2508
		2509	object::depth_iterator::depth_iterator (object *container)
		2510	: iterator_base (container)
		2511	{
		2512	while (item->inv)
		2513	item = item->inv;
		2514	}
		2515
		2516	void
		2517	object::depth_iterator::next ()
		2518	{
		2519	if (item->below)
		2520	{
		2521	item = item->below;
		2522
		2523	while (item->inv)
		2524	item = item->inv;
		2525	}
		2526	else
		2527	item = item->env;
		2528	}
		2529
		2530
		2531	const char *
		2532	object::flag_desc (char *desc, int len) const
		2533	{
		2534	char *p = desc;
		2535	bool first = true;
		2536
		2537	*p = 0;
		2538
		2539	for (int i = 0; i < NUM_FLAGS; i++)
		2540	{
		2541	if (len <= 10) // magic constant!
		2542	{
		2543	snprintf (p, len, ",...");
		2544	break;
		2545	}
		2546
		2547	if (flag [i])
		2548	{
		2549	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2550	len -= cnt;
		2551	p += cnt;
		2552	first = false;
		2553	}
		2554	}
		2555
		2556	return desc;
		2557	}
		2558
		2559	// return a suitable string describing an object in enough detail to find it
		2560	const char *
		2561	object::debug_desc (char *info) const
		2562	{
		2563	char flagdesc[512];
		2564	char info2[256 * 4];
		2565	char *p = info;
		2566
		2567	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
		2568	count, uuid.seq,
		2569	&name,
		2570	title ? "\",title:\"" : "",
		2571	title ? (const char *)title : "",
		2572	flag_desc (flagdesc, 512), type);
		2573
		2574	if (env)
		2575	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2576
		2577	if (map)
		2578	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
		2579
		2580	return info;
		2581	}
		2582
		2583	const char *
		2584	object::debug_desc () const
		2585	{
		2586	static char info[256 * 4];
		2587	return debug_desc (info);
		2588	}
		2589
		2590	const char *
		2591	object::debug_desc2 () const
		2592	{
		2593	static char info[256 * 4];
		2594	return debug_desc (info);
		2595	}
		2596
		2597	struct region *
		2598	object::region () const
		2599	{
		2600	return map ? map->region (x, y)
		2601	: region::default_region ();
		2602	}
		2603
		2604	const materialtype_t *
		2605	object::dominant_material () const
		2606	{
		2607	if (materialtype_t *mat = name_to_material (materialname))
		2608	return mat;
		2609
		2610	// omfg this is slow, this has to be temporary :)
		2611	shstr unknown ("unknown");
		2612
		2613	return name_to_material (unknown);
		2614	}
		2615
		2616	void
		2617	object::open_container (object *new_container)
		2618	{
		2619	if (container == new_container)
		2620	return;
		2621
		2622	if (object *old_container = container)
		2623	{
		2624	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2625	return;
		2626
		2627	#if 0
		2628	// remove the "Close old_container" object.
		2629	if (object *closer = old_container->inv)
		2630	if (closer->type == CLOSE_CON)
		2631	closer->destroy ();
		2632	#endif
		2633
		2634	old_container->flag [FLAG_APPLIED] = 0;
		2635	container = 0;
		2636
		2637	esrv_update_item (UPD_FLAGS, this, old_container);
		2638	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2639	}
		2640
		2641	if (new_container)
		2642	{
		2643	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2644	return;
		2645
		2646	// TODO: this does not seem to serve any purpose anymore?
		2647	#if 0
		2648	// insert the "Close Container" object.
		2649	if (archetype *closer = new_container->other_arch)
		2650	{
		2651	object *closer = arch_to_object (new_container->other_arch);
		2652	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2653	new_container->insert (closer);
		2654	}
		2655	#endif
		2656
		2657	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2658
		2659	new_container->flag [FLAG_APPLIED] = 1;
		2660	container = new_container;
		2661
		2662	esrv_update_item (UPD_FLAGS, this, new_container);
		2663	esrv_send_inventory (this, new_container);
		2664	}
		2665	}
		2666
		2667

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