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Comparing deliantra/server/common/object.C (file contents):
Revision 1.27 by root, Mon Sep 11 12:08:45 2006 UTC vs.
Revision 1.172 by root, Wed Aug 1 20:44:11 2007 UTC

1
2	/*	1	/*
3	* static char *rcsid_object_c =	2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
4	* "$Id: object.C,v 1.27 2006/09/11 12:08:45 root Exp $";	3	*
5	*/	4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
6
7	/*
8	CrossFire, A Multiplayer game for X-windows
9
10	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
11	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
12		7	*
13	This program is free software; you can redistribute it and/or modify	8	* Crossfire TRT 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 3 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, see <http://www.gnu.org/licenses/>.
25	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
26		21	* The authors can be reached via e-mail to <crossfire@schmorp.de>
27	The authors can be reached via e-mail at crossfire-devel@real-time.com
28	*/	22	*/
29		23
30	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
31	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
32	variable. */	26	variable. */
33	#include <global.h>	27	#include <global.h>
34	#ifndef WIN32 /* ---win32 exclude headers */
35	# include <stdio.h>	28	#include <stdio.h>
36	# include <sys/types.h>	29	#include <sys/types.h>
37	# include <sys/uio.h>	30	#include <sys/uio.h>
38	#endif /* win32 */
39	#include <object.h>	31	#include <object.h>
40	#include <funcpoint.h>	32	#include <funcpoint.h>
41	#include <skills.h>	33	#include <sproto.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. */
…		…
230	return 0;	299	return 0;
231	else if (!compare_ob_value_lists (ob1, ob2))	300	else if (!compare_ob_value_lists (ob1, ob2))
232	return 0;	301	return 0;
233	}	302	}
234		303
235	//TODO: generate an event or call into perl for additional checks
236	if (ob1->self || ob2->self)	304	if (ob1->self || ob2->self)
237	{	305	{
238	ob1->optimise ();	306	ob1->optimise ();
239	ob2->optimise ();	307	ob2->optimise ();
240		308
241	if (ob1->self || ob2->self)	309	if (ob1->self || ob2->self)
		310	if (!cfperl_can_merge (ob1, ob2))
242	return 0;	311	return 0;
243	}	312	}
244		313
245	/* Everything passes, must be OK. */	314	/* Everything passes, must be OK. */
246	return 1;	315	return 1;
247	}	316	}
…		…
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; inv = inv->below)
261	{	330	{
262	if (inv->inv)	331	if (inv->inv)
263	sum_weight (inv);	332	sum_weight (inv);
		333
264	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
265	}	335	}
		336
266	if (op->type == CONTAINER && op->stats.Str)	337	if (op->type == CONTAINER && op->stats.Str)
267	sum = (sum * (100 - op->stats.Str)) / 100;	338	sum = (sum * (100 - op->stats.Str)) / 100;
		339
268	if (op->carrying != sum)	340	if (op->carrying != sum)
269	op->carrying = sum;	341	op->carrying = sum;
		342
270	return sum;	343	return sum;
271	}	344	}
272		345
273	/**	346	/**
274	* Return the outermost environment object for a given object.	347	* Return the outermost environment object for a given object.
…		…
281	op = op->env;	354	op = op->env;
282	return op;	355	return op;
283	}	356	}
284		357
285	/*	358	/*
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.	359	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
302	* Some error messages.	360	* Some error messages.
303	* The result of the dump is stored in the static global errmsg array.	361	* The result of the dump is stored in the static global errmsg array.
304	*/	362	*/
305		363	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)	364	dump_object (object *op)
362	{	365	{
363	if (op == NULL)	366	if (!op)
364	{	367	return strdup ("[NULLOBJ]");
365	strcpy (errmsg, "[NULL pointer]");
366	return;
367	}
368	errmsg[0] = '\0';
369	dump_object2 (op);
370	}
371		368
372	void	369	object_freezer freezer;
373	dump_all_objects (void)	370	op->write (freezer);
374	{	371	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	}	372	}
383		373
384	/*	374	/*
385	* get_nearest_part(multi-object, object 2) returns the part of the	375	* get_nearest_part(multi-object, object 2) returns the part of the
386	* multi-object 1 which is closest to the second object.	376	* multi-object 1 which is closest to the second object.
…		…
402	}	392	}
403		393
404	/*	394	/*
405	* Returns the object which has the count-variable equal to the argument.	395	* Returns the object which has the count-variable equal to the argument.
406	*/	396	*/
407
408	object *	397	object *
409	find_object (tag_t i)	398	find_object (tag_t i)
410	{	399	{
411	object *op;	400	for_all_objects (op)
412
413	for (op = objects; op != NULL; op = op->next)
414	if (op->count == i)	401	if (op->count == i)
415	break;
416	return op;	402	return op;
		403
		404	return 0;
417	}	405	}
418		406
419	/*	407	/*
420	* Returns the first object which has a name equal to the argument.	408	* Returns the first object which has a name equal to the argument.
421	* Used only by the patch command, but not all that useful.	409	* Used only by the patch command, but not all that useful.
422	* Enables features like "patch <name-of-other-player> food 999"	410	* Enables features like "patch <name-of-other-player> food 999"
423	*/	411	*/
424
425	object *	412	object *
426	find_object_name (const char *str)	413	find_object_name (const char *str)
427	{	414	{
428	const char *name = shstr::find (str);	415	shstr_cmp str_ (str);
429	object *op;	416	object *op;
430		417
431	for (op = objects; op != NULL; op = op->next)	418	for_all_objects (op)
432	if (&op->name == name)	419	if (op->name == str_)
433	break;	420	break;
434		421
435	return op;	422	return op;
436	}	423	}
437		424
…		…
440	{	427	{
441	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);	428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
442	}	429	}
443		430
444	/*	431	/*
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	432	* Sets the owner and sets the skill and exp pointers to owner's current
484	* skill and experience objects.	433	* skill and experience objects.
485	*/	434	*/
486	void	435	void
487	set_owner (object *op, object *owner)	436	object::set_owner (object *owner)
488	{	437	{
489	if (owner == NULL || op == NULL)	438	if (!owner)
490	return;	439	return;
491		440
492	/* next line added to allow objects which own objects */	441	/* next line added to allow objects which own objects */
493	/* Add a check for ownercounts in here, as I got into an endless loop	442	/* 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	443	* with the fireball owning a poison cloud which then owned the
495	* fireball. I believe that was caused by one of the objects getting	444	* fireball. I believe that was caused by one of the objects getting
496	* freed and then another object replacing it. Since the ownercounts	445	* 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.	446	* didn't match, this check is valid and I believe that cause is valid.
498	*/	447	*/
499	while (owner->owner && owner != owner->owner && owner->ownercount == owner->owner->count)	448	while (owner->owner)
500	owner = owner->owner;	449	owner = owner->owner;
501		450
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;	451	this->owner = owner;
509
510	op->ownercount = owner->count;
511	owner->refcount++;
512	}	452	}
513		453
514	/* Set the owner to clone's current owner and set the skill and experience	454	int
515	* objects to clone's objects (typically those objects that where the owner's	455	object::slottype () const
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	{	456	{
527	object *owner = get_owner (clone);	457	if (type == SKILL)
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	}	458	{
		459	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		460	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		461	}
		462	else
		463	{
		464	if (slot [body_combat].info) return slot_combat;
		465	if (slot [body_range ].info) return slot_ranged;
		466	}
		467
		468	return slot_none;
		469	}
539		470
540	set_owner (op, owner);	471	bool
		472	object::change_weapon (object *ob)
		473	{
		474	if (current_weapon == ob)
		475	return true;
		476
		477	if (chosen_skill)
		478	chosen_skill->flag [FLAG_APPLIED] = false;
		479
		480	current_weapon = ob;
		481	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		482
		483	if (chosen_skill)
		484	chosen_skill->flag [FLAG_APPLIED] = true;
		485
		486	update_stats ();
		487
		488	if (ob)
		489	{
		490	// now check wether any body locations became invalid, in which case
		491	// we cannot apply the weapon at the moment.
		492	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		493	if (slot[i].used < 0)
		494	{
		495	current_weapon = chosen_skill = 0;
		496	update_stats ();
		497
		498	new_draw_info_format (NDI_UNIQUE, 0, this,
		499	"You try to balance all your items at once, "
		500	"but the %s is just too much for your body. "
		501	"[You need to unapply some items first.]", &ob->name);
		502	return false;
		503	}
		504
		505	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		506	}
		507	else
		508	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		509
		510	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		511	{
		512	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		513	&name, ob->debug_desc ());
		514	return false;
		515	}
		516
		517	return true;
541	}	518	}
542		519
543	/* Zero the key_values on op, decrementing the shared-string	520	/* Zero the key_values on op, decrementing the shared-string
544	* refcounts and freeing the links.	521	* refcounts and freeing the links.
545	*/	522	*/
546	static void	523	static void
547	free_key_values (object *op)	524	free_key_values (object *op)
548	{	525	{
549	for (key_value *i = op->key_values; i != 0;)	526	for (key_value *i = op->key_values; i; )
550	{	527	{
551	key_value *next = i->next;	528	key_value *next = i->next;
552	delete i;	529	delete i;
553		530
554	i = next;	531	i = next;
555	}	532	}
556		533
557	op->key_values = 0;	534	op->key_values = 0;
558	}	535	}
559		536
560	void object::clear ()	537	object &
		538	object::operator =(const object &src)
561	{	539	{
562	attachable_base::clear ();	540	bool is_freed = flag [FLAG_FREED];
		541	bool is_removed = flag [FLAG_REMOVED];
563		542
564	free_key_values (this);	543	*(object_copy *)this = src;
565		544
566	clear_owner (this);	545	flag [FLAG_FREED] = is_freed;
567		546	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		547
650	/* Copy over key_values, if any. */	548	/* Copy over key_values, if any. */
651	if (op2->key_values)	549	if (src.key_values)
652	{	550	{
653	key_value *tail = 0;	551	key_value *tail = 0;
654	key_value *i;
655
656	op->key_values = 0;	552	key_values = 0;
657		553
658	for (i = op2->key_values; i; i = i->next)	554	for (key_value *i = src.key_values; i; i = i->next)
659	{	555	{
660	key_value *new_link = new key_value;	556	key_value *new_link = new key_value;
661		557
662	new_link->next = 0;	558	new_link->next = 0;
663	new_link->key = i->key;	559	new_link->key = i->key;
664	new_link->value = i->value;	560	new_link->value = i->value;
665		561
666	/* Try and be clever here, too. */	562	/* Try and be clever here, too. */
667	if (!op->key_values)	563	if (!key_values)
668	{	564	{
669	op->key_values = new_link;	565	key_values = new_link;
670	tail = new_link;	566	tail = new_link;
671	}	567	}
672	else	568	else
673	{	569	{
674	tail->next = new_link;	570	tail->next = new_link;
675	tail = new_link;	571	tail = new_link;
676	}	572	}
677	}	573	}
678	}	574	}
		575	}
679		576
680	update_ob_speed (op);	577	/*
		578	* copy_to first frees everything allocated by the dst object,
		579	* and then copies the contents of itself into the second
		580	* object, allocating what needs to be allocated. Basically, any
		581	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		582	* if the first object is freed, the pointers in the new object
		583	* will point at garbage.
		584	*/
		585	void
		586	object::copy_to (object *dst)
		587	{
		588	*dst = *this;
		589
		590	if (speed < 0)
		591	dst->speed_left = speed_left - rndm ();
		592
		593	dst->set_speed (dst->speed);
		594	}
		595
		596	void
		597	object::instantiate ()
		598	{
		599	if (!uuid.seq) // HACK
		600	uuid = gen_uuid ();
		601
		602	speed_left = -0.1f;
		603	/* copy the body_info to the body_used - this is only really
		604	* need for monsters, but doesn't hurt to do it for everything.
		605	* by doing so, when a monster is created, it has good starting
		606	* values for the body_used info, so when items are created
		607	* for it, they can be properly equipped.
		608	*/
		609	for (int i = NUM_BODY_LOCATIONS; i--; )
		610	slot[i].used = slot[i].info;
		611
		612	attachable::instantiate ();
		613	}
		614
		615	object *
		616	object::clone ()
		617	{
		618	object *neu = create ();
		619	copy_to (neu);
		620	return neu;
681	}	621	}
682		622
683	/*	623	/*
684	* If an object with the IS_TURNABLE() flag needs to be turned due	624	* 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	625	* 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.	626	* be called to update the face variable, _and_ how it looks on the map.
687	*/	627	*/
688
689	void	628	void
690	update_turn_face (object *op)	629	update_turn_face (object *op)
691	{	630	{
692	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	631	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
693	return;	632	return;
		633
694	SET_ANIMATION (op, op->direction);	634	SET_ANIMATION (op, op->direction);
695	update_object (op, UP_OBJ_FACE);	635	update_object (op, UP_OBJ_FACE);
696	}	636	}
697		637
698	/*	638	/*
699	* Updates the speed of an object. If the speed changes from 0 to another	639	* 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.	640	* 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.	641	* This function needs to be called whenever the speed of an object changes.
702	*/	642	*/
703
704	void	643	void
705	update_ob_speed (object *op)	644	object::set_speed (float speed)
706	{	645	{
707	extern int arch_init;	646	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	{	647	{
715	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	648	LOG (llevError, "Object %s is freed but has speed.\n", &name);
716	#ifdef MANY_CORES
717	abort ();
718	#else
719	op->speed = 0;	649	speed = 0;
720	#endif
721	}
722	if (arch_init)
723	{	650	}
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		651
732	/* process_events() expects us to insert the object at the beginning	652	this->speed = speed;
733	* of the list. */	653
734	op->active_next = active_objects;	654	if (has_active_speed ())
735	if (op->active_next != NULL)	655	activate ();
736	op->active_next->active_prev = op;
737	active_objects = op;
738	}
739	else	656	else
740	{	657	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	}	658	}
761		659
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	/*	660	/*
794	* update_object() updates the array which represents the map.	661	* update_object() updates the the map.
795	* It takes into account invisible objects (and represent squares covered	662	* It takes into account invisible objects (and represent squares covered
796	* by invisible objects by whatever is below them (unless it's another	663	* by invisible objects by whatever is below them (unless it's another
797	* invisible object, etc...)	664	* invisible object, etc...)
798	* If the object being updated is beneath a player, the look-window	665	* 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	666	* of that player is updated (this might be a suboptimal way of
800	* updating that window, though, since update_object() is called _often_)	667	* updating that window, though, since update_object() is called _often_)
801	*	668	*
802	* action is a hint of what the caller believes need to be done.	669	* 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:	670	* current action are:
808	* UP_OBJ_INSERT: op was inserted	671	* UP_OBJ_INSERT: op was inserted
809	* UP_OBJ_REMOVE: op was removed	672	* UP_OBJ_REMOVE: op was removed
810	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	673	* 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.	674	* as that is easier than trying to look at what may have changed.
812	* UP_OBJ_FACE: only the objects face has changed.	675	* UP_OBJ_FACE: only the objects face has changed.
813	*/	676	*/
814
815	void	677	void
816	update_object (object *op, int action)	678	update_object (object *op, int action)
817	{	679	{
818	int update_now = 0, flags;
819	MoveType move_on, move_off, move_block, move_slow;
820
821	if (op == NULL)	680	if (op == NULL)
822	{	681	{
823	/* this should never happen */	682	/* this should never happen */
824	LOG (llevDebug, "update_object() called for NULL object.\n");	683	LOG (llevDebug, "update_object() called for NULL object.\n");
825	return;	684	return;
826	}	685	}
827		686
828	if (op->env != NULL)	687	if (op->env)
829	{	688	{
830	/* Animation is currently handled by client, so nothing	689	/* Animation is currently handled by client, so nothing
831	* to do in this case.	690	* to do in this case.
832	*/	691	*/
833	return;	692	return;
…		…
838	*/	697	*/
839	if (!op->map || op->map->in_memory == MAP_SAVING)	698	if (!op->map || op->map->in_memory == MAP_SAVING)
840	return;	699	return;
841		700
842	/* make sure the object is within map boundaries */	701	/* 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))	702	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
844	{	703	{
845	LOG (llevError, "update_object() called for object out of map!\n");	704	LOG (llevError, "update_object() called for object out of map!\n");
846	#ifdef MANY_CORES	705	#ifdef MANY_CORES
847	abort ();	706	abort ();
848	#endif	707	#endif
849	return;	708	return;
850	}	709	}
851		710
852	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	711	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		712
		713	if (!(m.flags_ & P_UPTODATE))
		714	/* nop */;
859	if (action == UP_OBJ_INSERT)	715	else if (action == UP_OBJ_INSERT)
860	{	716	{
		717	// this is likely overkill, TODO: revisit (schmorp)
861	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	718	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))	719	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
865	update_now = 1;	720	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
866		721	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		722	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
867	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	723	|| (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)	724	|| (m.move_on | op->move_on ) != m.move_on
877	update_now = 1;
878
879	if ((move_off | op->move_off) != move_off)	725	|| (m.move_off | op->move_off ) != m.move_off
880	update_now = 1;	726	|| (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	727	/* This isn't perfect, but I don't expect a lot of objects to
883	* to have move_allow right now.	728	* to have move_allow right now.
884	*/	729	*/
885	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	730	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
886	update_now = 1;	731	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
887		732	m.flags_ = 0;
888	if ((move_slow | op->move_slow) != move_slow)
889	update_now = 1;
890	}	733	}
891	/* if the object is being removed, we can't make intelligent	734	/* if the object is being removed, we can't make intelligent
892	* decisions, because remove_ob can't really pass the object	735	* decisions, because remove_ob can't really pass the object
893	* that is being removed.	736	* that is being removed.
894	*/	737	*/
895	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	738	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
896	update_now = 1;	739	m.flags_ = 0;
897	else if (action == UP_OBJ_FACE)	740	else if (action == UP_OBJ_FACE)
898	/* Nothing to do for that case */;	741	/* Nothing to do for that case */ ;
899	else	742	else
900	LOG (llevError, "update_object called with invalid action: %d\n", action);	743	LOG (llevError, "update_object called with invalid action: %d\n", action);
901		744
902	if (update_now)
903	{
904	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
905	update_position (op->map, op->x, op->y);
906	}
907
908	if (op->more != NULL)	745	if (op->more)
909	update_object (op->more, action);	746	update_object (op->more, action);
910	}
911
912	static unordered_vector<object *> mortals;
913	static std::vector<object *> freed;
914
915	void object::free_mortals ()
916	{
917	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end (); )
918	if (!(*i)->refcount)
919	{
920	freed.push_back (*i);
921	mortals.erase (i);
922	}
923	else
924	++i;
925	}	747	}
926		748
927	object::object ()	749	object::object ()
928	{	750	{
929	SET_FLAG (this, FLAG_REMOVED);	751	SET_FLAG (this, FLAG_REMOVED);
930		752
931	expmul = 1.0;	753	expmul = 1.0;
932	face = blank_face;	754	face = blank_face;
933	attacked_by_count = -1;
934	}	755	}
935		756
936	object::~object ()	757	object::~object ()
937	{	758	{
		759	unlink ();
		760
938	free_key_values (this);	761	free_key_values (this);
939	}	762	}
940		763
		764	static int object_count;
		765
941	void object::link ()	766	void object::link ()
942	{	767	{
		768	assert (!index);//D
		769	uuid = gen_uuid ();
943	count = ++ob_count;	770	count = ++object_count;
944		771
945	prev = 0;	772	refcnt_inc ();
946	next = objects;	773	objects.insert (this);
947
948	if (objects)
949	objects->prev = this;
950
951	objects = this;
952	}	774	}
953		775
954	void object::unlink ()	776	void object::unlink ()
955	{	777	{
956	count = 0;
957
958	/* Remove this object from the list of used objects */
959	if (prev)
960	{
961	prev->next = next;
962	prev = 0;
963	}
964
965	if (next)	778	if (!index)
966	{	779	return;
967	next->prev = prev;	780
968	next = 0;	781	objects.erase (this);
		782	refcnt_dec ();
		783	}
		784
		785	void
		786	object::activate ()
		787	{
		788	/* If already on active list, don't do anything */
		789	if (active)
		790	return;
		791
		792	if (has_active_speed ())
		793	actives.insert (this);
		794	}
		795
		796	void
		797	object::activate_recursive ()
		798	{
		799	activate ();
		800
		801	for (object *op = inv; op; op = op->below)
		802	op->activate_recursive ();
		803	}
		804
		805	/* This function removes object 'op' from the list of active
		806	* objects.
		807	* This should only be used for style maps or other such
		808	* reference maps where you don't want an object that isn't
		809	* in play chewing up cpu time getting processed.
		810	* The reverse of this is to call update_ob_speed, which
		811	* will do the right thing based on the speed of the object.
		812	*/
		813	void
		814	object::deactivate ()
		815	{
		816	/* If not on the active list, nothing needs to be done */
		817	if (!active)
		818	return;
		819
		820	actives.erase (this);
		821	}
		822
		823	void
		824	object::deactivate_recursive ()
		825	{
		826	for (object *op = inv; op; op = op->below)
		827	op->deactivate_recursive ();
		828
		829	deactivate ();
		830	}
		831
		832	void
		833	object::set_flag_inv (int flag, int value)
		834	{
		835	for (object *op = inv; op; op = op->below)
969	}	836	{
		837	op->flag [flag] = value;
		838	op->set_flag_inv (flag, value);
		839	}
		840	}
970		841
971	if (this == objects)	842	/*
972	objects = next;	843	* Remove and free all objects in the inventory of the given object.
		844	* object.c ?
		845	*/
		846	void
		847	object::destroy_inv (bool drop_to_ground)
		848	{
		849	// need to check first, because the checks below might segfault
		850	// as we might be on an invalid mapspace and crossfire code
		851	// is too buggy to ensure that the inventory is empty.
		852	// corollary: if you create arrows etc. with stuff in tis inventory,
		853	// cf will crash below with off-map x and y
		854	if (!inv)
		855	return;
		856
		857	/* Only if the space blocks everything do we not process -
		858	* if some form of movement is allowed, let objects
		859	* drop on that space.
		860	*/
		861	if (!drop_to_ground
		862	|| !map
		863	|| map->in_memory != MAP_IN_MEMORY
		864	|| map->nodrop
		865	|| ms ().move_block == MOVE_ALL)
		866	{
		867	while (inv)
		868	{
		869	inv->destroy_inv (drop_to_ground);
		870	inv->destroy ();
		871	}
		872	}
		873	else
		874	{ /* Put objects in inventory onto this space */
		875	while (inv)
		876	{
		877	object *op = inv;
		878
		879	if (op->flag [FLAG_STARTEQUIP]
		880	|| op->flag [FLAG_NO_DROP]
		881	|| op->type == RUNE
		882	|| op->type == TRAP
		883	|| op->flag [FLAG_IS_A_TEMPLATE]
		884	|| op->flag [FLAG_DESTROY_ON_DEATH])
		885	op->destroy ();
		886	else
		887	map->insert (op, x, y);
		888	}
		889	}
973	}	890	}
974		891
975	object *object::create ()	892	object *object::create ()
976	{	893	{
977	object *op;
978
979	if (freed.empty ())
980	op = new object;	894	object *op = new object;
981	else
982	{
983	// highly annoying, but the only way to get it stable right now
984	op = freed.back (); freed.pop_back ();
985	op->~object ();
986	new ((void *)op) object;
987	}
988
989	op->link ();	895	op->link ();
990	return op;	896	return op;
991	}	897	}
992		898
993	/*	899	void
994	* free_object() frees everything allocated by an object, removes	900	object::do_destroy ()
995	* it from the list of used objects, and puts it on the list of
996	* free objects. The IS_FREED() flag is set in the object.
997	* The object must have been removed by remove_ob() first for
998	* this function to succeed.
999	*
1000	* If free_inventory is set, free inventory as well. Else drop items in
1001	* inventory to the ground.
1002	*/
1003	void object::free (bool free_inventory)
1004	{	901	{
1005	if (!QUERY_FLAG (this, FLAG_REMOVED))	902	attachable::do_destroy ();
1006	{
1007	LOG (llevDebug, "Free object called with non removed object\n");
1008	dump_object (this);
1009	#ifdef MANY_CORES
1010	abort ();
1011	#endif
1012	}
1013		903
1014	if (QUERY_FLAG (this, FLAG_FRIENDLY))	904	if (flag [FLAG_IS_LINKED])
1015	{	905	remove_button_link (this);
1016	LOG (llevMonster, "Warning: tried to free friendly object.\n");	906
		907	if (flag [FLAG_FRIENDLY])
1017	remove_friendly_object (this);	908	remove_friendly_object (this);
1018	}
1019		909
1020	if (QUERY_FLAG (this, FLAG_FREED))	910	if (!flag [FLAG_REMOVED])
		911	remove ();
		912
		913	destroy_inv (true);
		914
		915	deactivate ();
		916	unlink ();
		917
		918	flag [FLAG_FREED] = 1;
		919
		920	// hack to ensure that freed objects still have a valid map
		921	{
		922	static maptile *freed_map; // freed objects are moved here to avoid crashes
		923
		924	if (!freed_map)
1021	{	925	{
1022	dump_object (this);	926	freed_map = new maptile;
1023	LOG (llevError, "Trying to free freed object.\n%s\n", errmsg);	927
1024	return;	928	freed_map->name = "/internal/freed_objects_map";
		929	freed_map->width = 3;
		930	freed_map->height = 3;
		931
		932	freed_map->alloc ();
		933	freed_map->in_memory = MAP_IN_MEMORY;
1025	}	934	}
		935
		936	map = freed_map;
		937	x = 1;
		938	y = 1;
		939	}
1026		940
1027	if (more)	941	if (more)
1028	{	942	{
1029	more->free (free_inventory);	943	more->destroy ();
1030	more = 0;	944	more = 0;
1031	}	945	}
1032		946
1033	if (inv)
1034	{
1035	/* Only if the space blocks everything do we not process -
1036	* if some form of movement is allowed, let objects
1037	* drop on that space.
1038	*/
1039	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || (GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL))
1040	{
1041	object *
1042	op = inv;
1043
1044	while (op)
1045	{
1046	object *
1047	tmp = op->below;
1048
1049	remove_ob (op);
1050	op->free (free_inventory);
1051	op = tmp;
1052	}
1053	}
1054	else
1055	{ /* Put objects in inventory onto this space */
1056	object *
1057	op = inv;
1058
1059	while (op)
1060	{
1061	object *
1062	tmp = op->below;
1063
1064	remove_ob (op);
1065
1066	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1067	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1068	free_object (op);
1069	else
1070	{
1071	op->x = x;
1072	op->y = y;
1073	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
1074	}
1075
1076	op = tmp;
1077	}
1078	}
1079	}
1080
1081	clear_owner (this);
1082
1083	/* Remove object from the active list */
1084	speed = 0;	947	head = 0;
1085	update_ob_speed (this);
1086		948
1087	unlink ();	949	// clear those pointers that likely might cause circular references
		950	owner = 0;
		951	enemy = 0;
		952	attacked_by = 0;
		953	current_weapon = 0;
		954	}
1088		955
1089	SET_FLAG (this, FLAG_FREED);	956	void
		957	object::destroy (bool destroy_inventory)
		958	{
		959	if (destroyed ())
		960	return;
1090		961
1091	mortals.push_back (this);	962	if (destroy_inventory)
		963	destroy_inv (false);
		964
		965	if (sound_destroy)
		966	play_sound (sound_destroy);
		967	else if (flag [FLAG_MONSTER])
		968	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
		969
		970	attachable::destroy ();
1092	}	971	}
1093		972
1094	/*	973	/*
1095	* sub_weight() recursively (outwards) subtracts a number from the	974	* sub_weight() recursively (outwards) subtracts a number from the
1096	* weight of an object (and what is carried by it's environment(s)).	975	* weight of an object (and what is carried by it's environment(s)).
1097	*/	976	*/
1098
1099	void	977	void
1100	sub_weight (object *op, signed long weight)	978	sub_weight (object *op, signed long weight)
1101	{	979	{
1102	while (op != NULL)	980	while (op != NULL)
1103	{	981	{
1104	if (op->type == CONTAINER)	982	if (op->type == CONTAINER)
1105	{
1106	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	983	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1107	}	984
1108	op->carrying -= weight;	985	op->carrying -= weight;
1109	op = op->env;	986	op = op->env;
1110	}	987	}
1111	}	988	}
1112		989
1113	/* remove_ob(op):	990	/* op->remove ():
1114	* This function removes the object op from the linked list of objects	991	* This function removes the object op from the linked list of objects
1115	* which it is currently tied to. When this function is done, the	992	* which it is currently tied to. When this function is done, the
1116	* object will have no environment. If the object previously had an	993	* object will have no environment. If the object previously had an
1117	* environment, the x and y coordinates will be updated to	994	* environment, the x and y coordinates will be updated to
1118	* the previous environment.	995	* the previous environment.
1119	* Beware: This function is called from the editor as well!
1120	*/	996	*/
1121
1122	void	997	void
1123	remove_ob (object *op)	998	object::do_remove ()
1124	{	999	{
1125	object *tmp, *last = NULL;	1000	object *tmp, *last = 0;
1126	object *otmp;	1001	object *otmp;
1127		1002
1128	tag_t tag;
1129	int check_walk_off;
1130	mapstruct *m;
1131
1132	sint16 x, y;
1133
1134	if (QUERY_FLAG (op, FLAG_REMOVED))	1003	if (QUERY_FLAG (this, FLAG_REMOVED))
1135	{	1004	return;
1136	dump_object (op);
1137	LOG (llevError, "Trying to remove removed object.\n%s\n", errmsg);
1138		1005
1139	/* Changed it to always dump core in this case. As has been learned
1140	* in the past, trying to recover from errors almost always
1141	* make things worse, and this is a real error here - something
1142	* that should not happen.
1143	* Yes, if this was a mission critical app, trying to do something
1144	* to recover may make sense, but that is because failure of the app
1145	* may have other disastrous problems. Cf runs out of a script
1146	* so is easily enough restarted without any real problems.
1147	* MSW 2001-07-01
1148	*/
1149	abort ();
1150	}
1151
1152	if (op->more != NULL)
1153	remove_ob (op->more);
1154
1155	SET_FLAG (op, FLAG_REMOVED);	1006	SET_FLAG (this, FLAG_REMOVED);
		1007	INVOKE_OBJECT (REMOVE, this);
		1008
		1009	if (more)
		1010	more->remove ();
1156		1011
1157	/*	1012	/*
1158	* In this case, the object to be removed is in someones	1013	* In this case, the object to be removed is in someones
1159	* inventory.	1014	* inventory.
1160	*/	1015	*/
1161	if (op->env != NULL)	1016	if (env)
1162	{	1017	{
1163	if (op->nrof)	1018	if (nrof)
1164	sub_weight (op->env, op->weight * op->nrof);	1019	sub_weight (env, weight * nrof);
1165	else	1020	else
1166	sub_weight (op->env, op->weight + op->carrying);	1021	sub_weight (env, weight + carrying);
1167		1022
1168	/* NO_FIX_PLAYER is set when a great many changes are being	1023	/* NO_FIX_PLAYER is set when a great many changes are being
1169	* made to players inventory. If set, avoiding the call	1024	* made to players inventory. If set, avoiding the call
1170	* to save cpu time.	1025	* to save cpu time.
1171	*/	1026	*/
1172	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1027	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1173	fix_player (otmp);	1028	otmp->update_stats ();
1174		1029
1175	if (op->above != NULL)	1030	if (above)
1176	op->above->below = op->below;	1031	above->below = below;
1177	else	1032	else
1178	op->env->inv = op->below;	1033	env->inv = below;
1179		1034
1180	if (op->below != NULL)	1035	if (below)
1181	op->below->above = op->above;	1036	below->above = above;
1182		1037
1183	/* we set up values so that it could be inserted into	1038	/* we set up values so that it could be inserted into
1184	* the map, but we don't actually do that - it is up	1039	* the map, but we don't actually do that - it is up
1185	* to the caller to decide what we want to do.	1040	* to the caller to decide what we want to do.
1186	*/	1041	*/
1187	op->x = op->env->x, op->y = op->env->y;	1042	x = env->x, y = env->y;
1188	op->map = op->env->map;	1043	map = env->map;
1189	op->above = NULL, op->below = NULL;	1044	above = 0, below = 0;
1190	op->env = NULL;	1045	env = 0;
1191	return;
1192	}
1193
1194	/* If we get here, we are removing it from a map */
1195	if (op->map == NULL)
1196	return;
1197
1198	x = op->x;
1199	y = op->y;
1200	m = get_map_from_coord (op->map, &x, &y);
1201
1202	if (!m)
1203	{	1046	}
1204	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",	1047	else if (map)
1205	op->map->path, op->x, op->y);
1206	/* in old days, we used to set x and y to 0 and continue.
1207	* it seems if we get into this case, something is probablye
1208	* screwed up and should be fixed.
1209	*/
1210	abort ();
1211	}	1048	{
1212	if (op->map != m)	1049	if (type == PLAYER)
1213	{
1214	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1215	op->map->path, m->path, op->x, op->y, x, y);
1216	}
1217
1218	/* Re did the following section of code - it looks like it had
1219	* lots of logic for things we no longer care about
1220	*/
1221
1222	/* link the object above us */
1223	if (op->above)
1224	op->above->below = op->below;
1225	else
1226	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */
1227
1228	/* Relink the object below us, if there is one */
1229	if (op->below)
1230	op->below->above = op->above;
1231	else
1232	{
1233	/* Nothing below, which means we need to relink map object for this space
1234	* use translated coordinates in case some oddness with map tiling is
1235	* evident
1236	*/
1237	if (GET_MAP_OB (m, x, y) != op)
1238	{	1050	{
1239	dump_object (op);	1051	// leaving a spot always closes any open container on the ground
1240	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",	1052	if (container && !container->env)
1241	errmsg);	1053	// this causes spurious floorbox updates, but it ensures
1242	dump_object (GET_MAP_OB (m, x, y));	1054	// that the CLOSE event is being sent.
1243	LOG (llevError, "%s\n", errmsg);	1055	close_container ();
		1056
		1057	--map->players;
		1058	map->touch ();
1244	}	1059	}
1245		1060
1246	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */	1061	map->dirty = true;
1247	}	1062	mapspace &ms = this->ms ();
1248		1063
1249	op->above = NULL;	1064	/* link the object above us */
1250	op->below = NULL;	1065	if (above)
		1066	above->below = below;
		1067	else
		1068	ms.top = below; /* we were top, set new top */
1251		1069
1252	if (op->map->in_memory == MAP_SAVING)	1070	/* Relink the object below us, if there is one */
1253	return;	1071	if (below)
1254		1072	below->above = above;
1255	tag = op->count;	1073	else
1256	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1257
1258	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1259	{
1260	/* No point updating the players look faces if he is the object
1261	* being removed.
1262	*/
1263
1264	if (tmp->type == PLAYER && tmp != op)
1265	{	1074	{
1266	/* If a container that the player is currently using somehow gets	1075	/* Nothing below, which means we need to relink map object for this space
1267	* removed (most likely destroyed), update the player view	1076	* use translated coordinates in case some oddness with map tiling is
1268	* appropriately.	1077	* evident
1269	*/	1078	*/
1270	if (tmp->container == op)	1079	if (GET_MAP_OB (map, x, y) != this)
		1080	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 ());
		1081
		1082	ms.bot = above; /* goes on above it. */
		1083	}
		1084
		1085	above = 0;
		1086	below = 0;
		1087
		1088	if (map->in_memory == MAP_SAVING)
		1089	return;
		1090
		1091	int check_walk_off = !flag [FLAG_NO_APPLY];
		1092
		1093	for (tmp = ms.bot; tmp; tmp = tmp->above)
		1094	{
		1095	/* No point updating the players look faces if he is the object
		1096	* being removed.
		1097	*/
		1098
		1099	if (tmp->type == PLAYER && tmp != this)
1271	{	1100	{
1272	CLEAR_FLAG (op, FLAG_APPLIED);	1101	/* If a container that the player is currently using somehow gets
		1102	* removed (most likely destroyed), update the player view
		1103	* appropriately.
		1104	*/
		1105	if (tmp->container == this)
		1106	{
		1107	flag [FLAG_APPLIED] = 0;
1273	tmp->container = NULL;	1108	tmp->container = 0;
		1109	}
		1110
		1111	if (tmp->contr->ns)
		1112	tmp->contr->ns->floorbox_update ();
1274	}	1113	}
1275		1114
1276	tmp->contr->socket.update_look = 1;	1115	/* See if object moving off should effect something */
		1116	if (check_walk_off
		1117	&& ((move_type & tmp->move_off)
		1118	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
		1119	{
		1120	move_apply (tmp, this, 0);
		1121
		1122	if (destroyed ())
		1123	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
		1124	}
		1125
		1126	last = tmp;
1277	}	1127	}
1278	/* See if player moving off should effect something */
1279	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1280	{
1281	move_apply (tmp, op, NULL);
1282		1128
1283	if (was_destroyed (op, tag))
1284	{
1285	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);
1286	}
1287	}
1288
1289	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1290
1291	if (tmp->above == tmp)
1292	tmp->above = NULL;
1293
1294	last = tmp;
1295	}
1296
1297	/* last == NULL of there are no objects on this space */	1129	/* last == NULL if there are no objects on this space */
1298	if (last == NULL)	1130	//TODO: this makes little sense, why only update the topmost object?
1299	{	1131	if (!last)
1300	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,	1132	map->at (x, y).flags_ = 0;
1301	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1302	* those out anyways, and if there are any flags set right now, they won't
1303	* be correct anyways.
1304	*/
1305	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1306	update_position (op->map, op->x, op->y);
1307	}
1308	else	1133	else
1309	update_object (last, UP_OBJ_REMOVE);	1134	update_object (last, UP_OBJ_REMOVE);
1310		1135
1311	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1136	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1312	update_all_los (op->map, op->x, op->y);	1137	update_all_los (map, x, y);
		1138	}
1313	}	1139	}
1314		1140
1315	/*	1141	/*
1316	* merge_ob(op,top):	1142	* merge_ob(op,top):
1317	*	1143	*
1318	* This function goes through all objects below and including top, and	1144	* This function goes through all objects below and including top, and
1319	* merges op to the first matching object.	1145	* merges op to the first matching object.
1320	* If top is NULL, it is calculated.	1146	* If top is NULL, it is calculated.
1321	* Returns pointer to object if it succeded in the merge, otherwise NULL	1147	* Returns pointer to object if it succeded in the merge, otherwise NULL
1322	*/	1148	*/
1323
1324	object *	1149	object *
1325	merge_ob (object *op, object *top)	1150	merge_ob (object *op, object *top)
1326	{	1151	{
1327	if (!op->nrof)	1152	if (!op->nrof)
1328	return 0;	1153	return 0;
1329	if (top == NULL)	1154
		1155	if (top)
1330	for (top = op; top != NULL && top->above != NULL; top = top->above);	1156	for (top = op; top && top->above; top = top->above)
		1157	;
		1158
1331	for (; top != NULL; top = top->below)	1159	for (; top; top = top->below)
1332	{	1160	{
1333	if (top == op)	1161	if (top == op)
1334	continue;	1162	continue;
1335	if (CAN_MERGE (op, top))	1163
		1164	if (object::can_merge (op, top))
1336	{	1165	{
1337	top->nrof += op->nrof;	1166	top->nrof += op->nrof;
1338		1167
1339	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1168	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1340	op->weight = 0; /* Don't want any adjustements now */	1169	op->weight = 0; /* Don't want any adjustements now */
1341	remove_ob (op);	1170	op->destroy ();
1342	free_object (op);
1343	return top;	1171	return top;
1344	}	1172	}
1345	}	1173	}
		1174
1346	return NULL;	1175	return 0;
1347	}	1176	}
1348		1177
		1178	void
		1179	object::expand_tail ()
		1180	{
		1181	if (more)
		1182	return;
		1183
		1184	object *prev = this;
		1185
		1186	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1187	{
		1188	object *op = arch_to_object (at);
		1189
		1190	op->name = name;
		1191	op->name_pl = name_pl;
		1192	op->title = title;
		1193
		1194	op->head = this;
		1195	prev->more = op;
		1196
		1197	prev = op;
		1198	}
		1199	}
		1200
1349	/*	1201	/*
1350	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1202	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1351	* job preparing multi-part monsters	1203	* job preparing multi-part monsters.
1352	*/	1204	*/
1353	object *	1205	object *
1354	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1206	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1355	{	1207	{
1356	object *
1357	tmp;
1358
1359	if (op->head)
1360	op = op->head;
1361	for (tmp = op; tmp; tmp = tmp->more)	1208	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1362	{	1209	{
1363	tmp->x = x + tmp->arch->clone.x;	1210	tmp->x = x + tmp->arch->x;
1364	tmp->y = y + tmp->arch->clone.y;	1211	tmp->y = y + tmp->arch->y;
1365	}	1212	}
		1213
1366	return insert_ob_in_map (op, m, originator, flag);	1214	return insert_ob_in_map (op, m, originator, flag);
1367	}	1215	}
1368		1216
1369	/*	1217	/*
1370	* insert_ob_in_map (op, map, originator, flag):	1218	* insert_ob_in_map (op, map, originator, flag):
…		…
1384	* Return value:	1232	* Return value:
1385	* new object if 'op' was merged with other object	1233	* new object if 'op' was merged with other object
1386	* NULL if 'op' was destroyed	1234	* NULL if 'op' was destroyed
1387	* just 'op' otherwise	1235	* just 'op' otherwise
1388	*/	1236	*/
1389
1390	object *	1237	object *
1391	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1238	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1392	{	1239	{
		1240	assert (!op->flag [FLAG_FREED]);
		1241
1393	object *tmp, *top, *floor = NULL;	1242	object *top, *floor = NULL;
1394	sint16 x, y;
1395		1243
1396	if (QUERY_FLAG (op, FLAG_FREED))	1244	op->remove ();
1397	{
1398	LOG (llevError, "Trying to insert freed object!\n");
1399	return NULL;
1400	}
1401		1245
1402	if (m == NULL)	1246	#if 0
1403	{	1247	if (!m->active != !op->active)
1404	dump_object (op);	1248	if (m->active)
1405	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);	1249	op->activate_recursive ();
1406	return op;	1250	else
1407	}	1251	op->deactivate_recursive ();
		1252	#endif
1408		1253
1409	if (out_of_map (m, op->x, op->y))	1254	if (out_of_map (m, op->x, op->y))
1410	{	1255	{
1411	dump_object (op);
1412	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);	1256	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1413	#ifdef MANY_CORES	1257	#ifdef MANY_CORES
1414	/* Better to catch this here, as otherwise the next use of this object	1258	/* Better to catch this here, as otherwise the next use of this object
1415	* is likely to cause a crash. Better to find out where it is getting	1259	* is likely to cause a crash. Better to find out where it is getting
1416	* improperly inserted.	1260	* improperly inserted.
1417	*/	1261	*/
1418	abort ();	1262	abort ();
1419	#endif	1263	#endif
1420	return op;	1264	return op;
1421	}	1265	}
1422		1266
1423	if (!QUERY_FLAG (op, FLAG_REMOVED))	1267	if (object *more = op->more)
1424	{	1268	if (!insert_ob_in_map (more, m, originator, flag))
1425	dump_object (op);
1426	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1427	return op;	1269	return 0;
1428	}
1429
1430	if (op->more != NULL)
1431	{
1432	/* The part may be on a different map. */
1433
1434	object *more = op->more;
1435
1436	/* We really need the caller to normalize coordinates - if
1437	* we set the map, that doesn't work if the location is within
1438	* a map and this is straddling an edge. So only if coordinate
1439	* is clear wrong do we normalize it.
1440	*/
1441	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1442	more->map = get_map_from_coord (m, &more->x, &more->y);
1443	else if (!more->map)
1444	{
1445	/* For backwards compatibility - when not dealing with tiled maps,
1446	* more->map should always point to the parent.
1447	*/
1448	more->map = m;
1449	}
1450
1451	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1452	{
1453	if (!op->head)
1454	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1455
1456	return NULL;
1457	}
1458	}
1459		1270
1460	CLEAR_FLAG (op, FLAG_REMOVED);	1271	CLEAR_FLAG (op, FLAG_REMOVED);
1461		1272
1462	/* Ideally, the caller figures this out. However, it complicates a lot	1273	/* Ideally, the caller figures this out. However, it complicates a lot
1463	* of areas of callers (eg, anything that uses find_free_spot would now	1274	* of areas of callers (eg, anything that uses find_free_spot would now
1464	* need extra work	1275	* need extra work
1465	*/	1276	*/
1466	op->map = get_map_from_coord (m, &op->x, &op->y);	1277	if (!xy_normalise (m, op->x, op->y))
1467	x = op->x;	1278	return 0;
1468	y = op->y;	1279
		1280	op->map = m;
		1281	mapspace &ms = op->ms ();
1469		1282
1470	/* this has to be done after we translate the coordinates.	1283	/* this has to be done after we translate the coordinates.
1471	*/	1284	*/
1472	if (op->nrof && !(flag & INS_NO_MERGE))	1285	if (op->nrof && !(flag & INS_NO_MERGE))
1473	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1286	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1474	if (CAN_MERGE (op, tmp))	1287	if (object::can_merge (op, tmp))
1475	{	1288	{
1476	op->nrof += tmp->nrof;	1289	op->nrof += tmp->nrof;
1477	remove_ob (tmp);	1290	tmp->destroy ();
1478	free_object (tmp);
1479	}	1291	}
1480		1292
1481	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1293	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1482	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1294	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1483		1295
…		…
1496	op->below = originator->below;	1308	op->below = originator->below;
1497		1309
1498	if (op->below)	1310	if (op->below)
1499	op->below->above = op;	1311	op->below->above = op;
1500	else	1312	else
1501	SET_MAP_OB (op->map, op->x, op->y, op);	1313	ms.bot = op;
1502		1314
1503	/* since *below* originator, no need to update top */	1315	/* since *below* originator, no need to update top */
1504	originator->below = op;	1316	originator->below = op;
1505	}	1317	}
1506	else	1318	else
1507	{	1319	{
		1320	top = ms.bot;
		1321
1508	/* If there are other objects, then */	1322	/* If there are other objects, then */
1509	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1323	if ((!(flag & INS_MAP_LOAD)) && top)
1510	{	1324	{
1511	object *last = NULL;	1325	object *last = 0;
1512		1326
1513	/*	1327	/*
1514	* If there are multiple objects on this space, we do some trickier handling.	1328	* If there are multiple objects on this space, we do some trickier handling.
1515	* We've already dealt with merging if appropriate.	1329	* We've already dealt with merging if appropriate.
1516	* Generally, we want to put the new object on top. But if	1330	* Generally, we want to put the new object on top. But if
…		…
1520	* once we get to them. This reduces the need to traverse over all of	1334	* once we get to them. This reduces the need to traverse over all of
1521	* them when adding another one - this saves quite a bit of cpu time	1335	* them when adding another one - this saves quite a bit of cpu time
1522	* when lots of spells are cast in one area. Currently, it is presumed	1336	* when lots of spells are cast in one area. Currently, it is presumed
1523	* that flying non pickable objects are spell objects.	1337	* that flying non pickable objects are spell objects.
1524	*/	1338	*/
1525		1339	for (top = ms.bot; top; top = top->above)
1526	while (top != NULL)
1527	{	1340	{
1528	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1341	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1529	floor = top;	1342	floor = top;
1530		1343
1531	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1344	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1534	top = top->below;	1347	top = top->below;
1535	break;	1348	break;
1536	}	1349	}
1537		1350
1538	last = top;	1351	last = top;
1539	top = top->above;
1540	}	1352	}
1541		1353
1542	/* Don't want top to be NULL, so set it to the last valid object */	1354	/* Don't want top to be NULL, so set it to the last valid object */
1543	top = last;	1355	top = last;
1544		1356
…		…
1546	* looks like instead of lots of conditions here.	1358	* looks like instead of lots of conditions here.
1547	* makes things faster, and effectively the same result.	1359	* makes things faster, and effectively the same result.
1548	*/	1360	*/
1549		1361
1550	/* Have object 'fall below' other objects that block view.	1362	/* Have object 'fall below' other objects that block view.
1551	* Unless those objects are exits, type 66	1363	* Unless those objects are exits.
1552	* If INS_ON_TOP is used, don't do this processing	1364	* If INS_ON_TOP is used, don't do this processing
1553	* Need to find the object that in fact blocks view, otherwise	1365	* Need to find the object that in fact blocks view, otherwise
1554	* stacking is a bit odd.	1366	* stacking is a bit odd.
1555	*/	1367	*/
1556	if (!(flag & INS_ON_TOP) &&	1368	if (!(flag & INS_ON_TOP)
1557	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1369	&& ms.flags () & P_BLOCKSVIEW
		1370	&& (op->face && !faces [op->face].visibility))
1558	{	1371	{
1559	for (last = top; last != floor; last = last->below)	1372	for (last = top; last != floor; last = last->below)
1560	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1373	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1561	break;	1374	break;
		1375
1562	/* Check to see if we found the object that blocks view,	1376	/* Check to see if we found the object that blocks view,
1563	* and make sure we have a below pointer for it so that	1377	* and make sure we have a below pointer for it so that
1564	* we can get inserted below this one, which requires we	1378	* we can get inserted below this one, which requires we
1565	* set top to the object below us.	1379	* set top to the object below us.
1566	*/	1380	*/
1567	if (last && last->below && last != floor)	1381	if (last && last->below && last != floor)
1568	top = last->below;	1382	top = last->below;
1569	}	1383	}
1570	} /* If objects on this space */	1384	} /* If objects on this space */
1571
1572	if (flag & INS_MAP_LOAD)	1385	if (flag & INS_MAP_LOAD)
1573	top = GET_MAP_TOP (op->map, op->x, op->y);	1386	top = ms.top;
1574		1387
1575	if (flag & INS_ABOVE_FLOOR_ONLY)	1388	if (flag & INS_ABOVE_FLOOR_ONLY)
1576	top = floor;	1389	top = floor;
1577		1390
1578	/* Top is the object that our object (op) is going to get inserted above.	1391	/* Top is the object that our object (op) is going to get inserted above.
1579	*/	1392	*/
1580		1393
1581	/* First object on this space */	1394	/* First object on this space */
1582	if (!top)	1395	if (!top)
1583	{	1396	{
1584	op->above = GET_MAP_OB (op->map, op->x, op->y);	1397	op->above = ms.bot;
1585		1398
1586	if (op->above)	1399	if (op->above)
1587	op->above->below = op;	1400	op->above->below = op;
1588		1401
1589	op->below = NULL;	1402	op->below = 0;
1590	SET_MAP_OB (op->map, op->x, op->y, op);	1403	ms.bot = op;
1591	}	1404	}
1592	else	1405	else
1593	{ /* get inserted into the stack above top */	1406	{ /* get inserted into the stack above top */
1594	op->above = top->above;	1407	op->above = top->above;
1595		1408
…		…
1598		1411
1599	op->below = top;	1412	op->below = top;
1600	top->above = op;	1413	top->above = op;
1601	}	1414	}
1602		1415
1603	if (op->above == NULL)	1416	if (!op->above)
1604	SET_MAP_TOP (op->map, op->x, op->y, op);	1417	ms.top = op;
1605	} /* else not INS_BELOW_ORIGINATOR */	1418	} /* else not INS_BELOW_ORIGINATOR */
1606		1419
1607	if (op->type == PLAYER)	1420	if (op->type == PLAYER)
		1421	{
1608	op->contr->do_los = 1;	1422	op->contr->do_los = 1;
		1423	++op->map->players;
		1424	op->map->touch ();
		1425	}
		1426
		1427	op->map->dirty = true;
1609		1428
1610	/* If we have a floor, we know the player, if any, will be above	1429	/* If we have a floor, we know the player, if any, will be above
1611	* it, so save a few ticks and start from there.	1430	* it, so save a few ticks and start from there.
1612	*/	1431	*/
1613	if (!(flag & INS_MAP_LOAD))	1432	if (!(flag & INS_MAP_LOAD))
1614	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1433	if (object *pl = ms.player ())
1615	if (tmp->type == PLAYER)	1434	if (pl->contr->ns)
1616	tmp->contr->socket.update_look = 1;	1435	pl->contr->ns->floorbox_update ();
1617		1436
1618	/* If this object glows, it may affect lighting conditions that are	1437	/* If this object glows, it may affect lighting conditions that are
1619	* visible to others on this map. But update_all_los is really	1438	* visible to others on this map. But update_all_los is really
1620	* an inefficient way to do this, as it means los for all players	1439	* an inefficient way to do this, as it means los for all players
1621	* on the map will get recalculated. The players could very well	1440	* on the map will get recalculated. The players could very well
1622	* be far away from this change and not affected in any way -	1441	* be far away from this change and not affected in any way -
1623	* this should get redone to only look for players within range,	1442	* this should get redone to only look for players within range,
1624	* or just updating the P_NEED_UPDATE for spaces within this area	1443	* or just updating the P_UPTODATE for spaces within this area
1625	* of effect may be sufficient.	1444	* of effect may be sufficient.
1626	*/	1445	*/
1627	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1446	if (op->map->darkness && (op->glow_radius != 0))
1628	update_all_los (op->map, op->x, op->y);	1447	update_all_los (op->map, op->x, op->y);
1629		1448
1630	/* updates flags (blocked, alive, no magic, etc) for this map space */	1449	/* updates flags (blocked, alive, no magic, etc) for this map space */
1631	update_object (op, UP_OBJ_INSERT);	1450	update_object (op, UP_OBJ_INSERT);
1632		1451
		1452	INVOKE_OBJECT (INSERT, op);
		1453
1633	/* Don't know if moving this to the end will break anything. However,	1454	/* Don't know if moving this to the end will break anything. However,
1634	* we want to have update_look set above before calling this.	1455	* we want to have floorbox_update called before calling this.
1635	*	1456	*
1636	* check_move_on() must be after this because code called from	1457	* check_move_on() must be after this because code called from
1637	* check_move_on() depends on correct map flags (so functions like	1458	* check_move_on() depends on correct map flags (so functions like
1638	* blocked() and wall() work properly), and these flags are updated by	1459	* blocked() and wall() work properly), and these flags are updated by
1639	* update_object().	1460	* update_object().
1640	*/	1461	*/
1641		1462
1642	/* if this is not the head or flag has been passed, don't check walk on status */	1463	/* if this is not the head or flag has been passed, don't check walk on status */
1643	if (!(flag & INS_NO_WALK_ON) && !op->head)	1464	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1644	{	1465	{
1645	if (check_move_on (op, originator))	1466	if (check_move_on (op, originator))
1646	return NULL;	1467	return 0;
1647		1468
1648	/* If we are a multi part object, lets work our way through the check	1469	/* If we are a multi part object, lets work our way through the check
1649	* walk on's.	1470	* walk on's.
1650	*/	1471	*/
1651	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1472	for (object *tmp = op->more; tmp; tmp = tmp->more)
1652	if (check_move_on (tmp, originator))	1473	if (check_move_on (tmp, originator))
1653	return NULL;	1474	return 0;
1654	}	1475	}
1655		1476
1656	return op;	1477	return op;
1657	}	1478	}
1658		1479
1659	/* this function inserts an object in the map, but if it	1480	/* this function inserts an object in the map, but if it
1660	* finds an object of its own type, it'll remove that one first.	1481	* finds an object of its own type, it'll remove that one first.
1661	* op is the object to insert it under: supplies x and the map.	1482	* op is the object to insert it under: supplies x and the map.
1662	*/	1483	*/
1663	void	1484	void
1664	replace_insert_ob_in_map (const char *arch_string, object *op)	1485	replace_insert_ob_in_map (const char *arch_string, object *op)
1665	{	1486	{
1666	object *tmp;
1667	object *tmp1;	1487	object *tmp, *tmp1;
1668		1488
1669	/* first search for itself and remove any old instances */	1489	/* first search for itself and remove any old instances */
1670		1490
1671	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1491	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1672	{
1673	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1492	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1674	{	1493	tmp->destroy ();
1675	remove_ob (tmp);
1676	free_object (tmp);
1677	}
1678	}
1679		1494
1680	tmp1 = arch_to_object (find_archetype (arch_string));	1495	tmp1 = arch_to_object (archetype::find (arch_string));
1681		1496
1682	tmp1->x = op->x;	1497	tmp1->x = op->x;
1683	tmp1->y = op->y;	1498	tmp1->y = op->y;
1684	insert_ob_in_map (tmp1, op->map, op, 0);	1499	insert_ob_in_map (tmp1, op->map, op, 0);
		1500	}
		1501
		1502	object *
		1503	object::insert_at (object *where, object *originator, int flags)
		1504	{
		1505	return where->map->insert (this, where->x, where->y, originator, flags);
1685	}	1506	}
1686		1507
1687	/*	1508	/*
1688	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1509	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1689	* is returned contains nr objects, and the remaining parts contains	1510	* is returned contains nr objects, and the remaining parts contains
1690	* the rest (or is removed and freed if that number is 0).	1511	* the rest (or is removed and freed if that number is 0).
1691	* On failure, NULL is returned, and the reason put into the	1512	* On failure, NULL is returned, and the reason put into the
1692	* global static errmsg array.	1513	* global static errmsg array.
1693	*/	1514	*/
1694
1695	object *	1515	object *
1696	get_split_ob (object *orig_ob, uint32 nr)	1516	get_split_ob (object *orig_ob, uint32 nr)
1697	{	1517	{
1698	object *	1518	object *newob;
1699	newob;
1700	int
1701	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1519	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1702		1520
1703	if (orig_ob->nrof < nr)	1521	if (orig_ob->nrof < nr)
1704	{	1522	{
1705	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1523	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1706	return NULL;	1524	return NULL;
1707	}	1525	}
		1526
1708	newob = object_create_clone (orig_ob);	1527	newob = object_create_clone (orig_ob);
		1528
1709	if ((orig_ob->nrof -= nr) < 1)	1529	if ((orig_ob->nrof -= nr) < 1)
1710	{	1530	orig_ob->destroy (1);
1711	if (!is_removed)
1712	remove_ob (orig_ob);
1713	free_object2 (orig_ob, 1);
1714	}
1715	else if (!is_removed)	1531	else if (!is_removed)
1716	{	1532	{
1717	if (orig_ob->env != NULL)	1533	if (orig_ob->env != NULL)
1718	sub_weight (orig_ob->env, orig_ob->weight * nr);	1534	sub_weight (orig_ob->env, orig_ob->weight * nr);
1719	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1535	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1721	strcpy (errmsg, "Tried to split object whose map is not in memory.");	1537	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1722	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");	1538	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1723	return NULL;	1539	return NULL;
1724	}	1540	}
1725	}	1541	}
		1542
1726	newob->nrof = nr;	1543	newob->nrof = nr;
1727		1544
1728	return newob;	1545	return newob;
1729	}	1546	}
1730		1547
…		…
1733	* the amount of an object. If the amount reaches 0, the object	1550	* the amount of an object. If the amount reaches 0, the object
1734	* is subsequently removed and freed.	1551	* is subsequently removed and freed.
1735	*	1552	*
1736	* Return value: 'op' if something is left, NULL if the amount reached 0	1553	* Return value: 'op' if something is left, NULL if the amount reached 0
1737	*/	1554	*/
1738
1739	object *	1555	object *
1740	decrease_ob_nr (object *op, uint32 i)	1556	decrease_ob_nr (object *op, uint32 i)
1741	{	1557	{
1742	object *	1558	object *tmp;
1743	tmp;
1744	player *
1745	pl;
1746		1559
1747	if (i == 0) /* objects with op->nrof require this check */	1560	if (i == 0) /* objects with op->nrof require this check */
1748	return op;	1561	return op;
1749		1562
1750	if (i > op->nrof)	1563	if (i > op->nrof)
1751	i = op->nrof;	1564	i = op->nrof;
1752		1565
1753	if (QUERY_FLAG (op, FLAG_REMOVED))	1566	if (QUERY_FLAG (op, FLAG_REMOVED))
1754	{
1755	op->nrof -= i;	1567	op->nrof -= i;
1756	}
1757	else if (op->env != NULL)	1568	else if (op->env)
1758	{	1569	{
1759	/* is this object in the players inventory, or sub container	1570	/* is this object in the players inventory, or sub container
1760	* therein?	1571	* therein?
1761	*/	1572	*/
1762	tmp = is_player_inv (op->env);	1573	tmp = op->in_player ();
1763	/* nope. Is this a container the player has opened?	1574	/* nope. Is this a container the player has opened?
1764	* If so, set tmp to that player.	1575	* If so, set tmp to that player.
1765	* IMO, searching through all the players will mostly	1576	* IMO, searching through all the players will mostly
1766	* likely be quicker than following op->env to the map,	1577	* likely be quicker than following op->env to the map,
1767	* and then searching the map for a player.	1578	* and then searching the map for a player.
1768	*/	1579	*/
1769	if (!tmp)	1580	if (!tmp)
1770	{	1581	for_all_players (pl)
1771	for (pl = first_player; pl; pl = pl->next)
1772	if (pl->ob->container == op->env)	1582	if (pl->ob->container == op->env)
		1583	{
		1584	tmp = pl->ob;
1773	break;	1585	break;
1774	if (pl)
1775	tmp = pl->ob;
1776	else
1777	tmp = NULL;
1778	}	1586	}
1779		1587
1780	if (i < op->nrof)	1588	if (i < op->nrof)
1781	{	1589	{
1782	sub_weight (op->env, op->weight * i);	1590	sub_weight (op->env, op->weight * i);
1783	op->nrof -= i;	1591	op->nrof -= i;
1784	if (tmp)	1592	if (tmp)
1785	{
1786	esrv_send_item (tmp, op);	1593	esrv_send_item (tmp, op);
1787	}
1788	}	1594	}
1789	else	1595	else
1790	{	1596	{
1791	remove_ob (op);	1597	op->remove ();
1792	op->nrof = 0;	1598	op->nrof = 0;
1793	if (tmp)	1599	if (tmp)
1794	{
1795	esrv_del_item (tmp->contr, op->count);	1600	esrv_del_item (tmp->contr, op->count);
1796	}
1797	}	1601	}
1798	}	1602	}
1799	else	1603	else
1800	{	1604	{
1801	object *
1802	above = op->above;	1605	object *above = op->above;
1803		1606
1804	if (i < op->nrof)	1607	if (i < op->nrof)
1805	{
1806	op->nrof -= i;	1608	op->nrof -= i;
1807	}
1808	else	1609	else
1809	{	1610	{
1810	remove_ob (op);	1611	op->remove ();
1811	op->nrof = 0;	1612	op->nrof = 0;
1812	}	1613	}
		1614
1813	/* Since we just removed op, op->above is null */	1615	/* Since we just removed op, op->above is null */
1814	for (tmp = above; tmp != NULL; tmp = tmp->above)	1616	for (tmp = above; tmp; tmp = tmp->above)
1815	if (tmp->type == PLAYER)	1617	if (tmp->type == PLAYER)
1816	{	1618	{
1817	if (op->nrof)	1619	if (op->nrof)
1818	esrv_send_item (tmp, op);	1620	esrv_send_item (tmp, op);
1819	else	1621	else
1820	esrv_del_item (tmp->contr, op->count);	1622	esrv_del_item (tmp->contr, op->count);
1821	}	1623	}
1822	}	1624	}
1823		1625
1824	if (op->nrof)	1626	if (op->nrof)
1825	{
1826	return op;	1627	return op;
1827	}
1828	else	1628	else
1829	{	1629	{
1830	free_object (op);	1630	op->destroy ();
1831	return NULL;	1631	return 0;
1832	}	1632	}
1833	}	1633	}
1834		1634
1835	/*	1635	/*
1836	* add_weight(object, weight) adds the specified weight to an object,	1636	* add_weight(object, weight) adds the specified weight to an object,
1837	* and also updates how much the environment(s) is/are carrying.	1637	* and also updates how much the environment(s) is/are carrying.
1838	*/	1638	*/
1839
1840	void	1639	void
1841	add_weight (object *op, signed long weight)	1640	add_weight (object *op, signed long weight)
1842	{	1641	{
1843	while (op != NULL)	1642	while (op != NULL)
1844	{	1643	{
1845	if (op->type == CONTAINER)	1644	if (op->type == CONTAINER)
1846	{
1847	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	1645	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1848	}	1646
1849	op->carrying += weight;	1647	op->carrying += weight;
1850	op = op->env;	1648	op = op->env;
1851	}	1649	}
1852	}	1650	}
1853		1651
		1652	object *
		1653	insert_ob_in_ob (object *op, object *where)
		1654	{
		1655	if (!where)
		1656	{
		1657	char *dump = dump_object (op);
		1658	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1659	free (dump);
		1660	return op;
		1661	}
		1662
		1663	if (where->head_ () != where)
		1664	{
		1665	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1666	where = where->head;
		1667	}
		1668
		1669	return where->insert (op);
		1670	}
		1671
1854	/*	1672	/*
1855	* insert_ob_in_ob(op,environment):	1673	* env->insert (op)
1856	* This function inserts the object op in the linked list	1674	* This function inserts the object op in the linked list
1857	* inside the object environment.	1675	* inside the object environment.
1858	*	1676	*
1859	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1860	* the inventory at the last position or next to other objects of the same
1861	* type.
1862	* Frank: Now sorted by type, archetype and magic!
1863	*
1864	* The function returns now pointer to inserted item, and return value can	1677	* The function returns now pointer to inserted item, and return value can
1865	* be != op, if items are merged. -Tero	1678	* be != op, if items are merged. -Tero
1866	*/	1679	*/
1867
1868	object *	1680	object *
1869	insert_ob_in_ob (object *op, object *where)	1681	object::insert (object *op)
1870	{	1682	{
1871	object *	1683	object *tmp, *otmp;
1872	tmp, *
1873	otmp;
1874		1684
1875	if (!QUERY_FLAG (op, FLAG_REMOVED))	1685	if (!QUERY_FLAG (op, FLAG_REMOVED))
1876	{	1686	op->remove ();
1877	dump_object (op);	1687
1878	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1879	return op;
1880	}
1881	if (where == NULL)
1882	{
1883	dump_object (op);
1884	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1885	return op;
1886	}
1887	if (where->head)
1888	{
1889	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1890	where = where->head;
1891	}
1892	if (op->more)	1688	if (op->more)
1893	{	1689	{
1894	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1690	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1895	return op;	1691	return op;
1896	}	1692	}
		1693
1897	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1694	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1898	CLEAR_FLAG (op, FLAG_REMOVED);	1695	CLEAR_FLAG (op, FLAG_REMOVED);
1899	if (op->nrof)	1696	if (op->nrof)
1900	{	1697	{
1901	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1698	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1902	if (CAN_MERGE (tmp, op))	1699	if (object::can_merge (tmp, op))
1903	{	1700	{
1904	/* return the original object and remove inserted object	1701	/* return the original object and remove inserted object
1905	(client needs the original object) */	1702	(client needs the original object) */
1906	tmp->nrof += op->nrof;	1703	tmp->nrof += op->nrof;
1907	/* Weight handling gets pretty funky. Since we are adding to	1704	/* Weight handling gets pretty funky. Since we are adding to
1908	* tmp->nrof, we need to increase the weight.	1705	* tmp->nrof, we need to increase the weight.
1909	*/	1706	*/
1910	add_weight (where, op->weight * op->nrof);	1707	add_weight (this, op->weight * op->nrof);
1911	SET_FLAG (op, FLAG_REMOVED);	1708	SET_FLAG (op, FLAG_REMOVED);
1912	free_object (op); /* free the inserted object */	1709	op->destroy (); /* free the inserted object */
1913	op = tmp;	1710	op = tmp;
1914	remove_ob (op); /* and fix old object's links */	1711	op->remove (); /* and fix old object's links */
1915	CLEAR_FLAG (op, FLAG_REMOVED);	1712	CLEAR_FLAG (op, FLAG_REMOVED);
1916	break;	1713	break;
1917	}	1714	}
1918		1715
1919	/* I assume combined objects have no inventory	1716	/* I assume combined objects have no inventory
1920	* We add the weight - this object could have just been removed	1717	* We add the weight - this object could have just been removed
1921	* (if it was possible to merge). calling remove_ob will subtract	1718	* (if it was possible to merge). calling remove_ob will subtract
1922	* the weight, so we need to add it in again, since we actually do	1719	* the weight, so we need to add it in again, since we actually do
1923	* the linking below	1720	* the linking below
1924	*/	1721	*/
1925	add_weight (where, op->weight * op->nrof);	1722	add_weight (this, op->weight * op->nrof);
1926	}	1723	}
1927	else	1724	else
1928	add_weight (where, (op->weight + op->carrying));	1725	add_weight (this, (op->weight + op->carrying));
1929		1726
1930	otmp = is_player_inv (where);	1727	otmp = this->in_player ();
1931	if (otmp && otmp->contr != NULL)	1728	if (otmp && otmp->contr)
1932	{
1933	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1729	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1934	fix_player (otmp);	1730	otmp->update_stats ();
1935	}
1936		1731
1937	op->map = NULL;	1732	op->map = 0;
1938	op->env = where;	1733	op->env = this;
1939	op->above = NULL;	1734	op->above = 0;
1940	op->below = NULL;	1735	op->below = 0;
1941	op->x = 0, op->y = 0;	1736	op->x = 0, op->y = 0;
1942		1737
1943	/* reset the light list and los of the players on the map */	1738	/* reset the light list and los of the players on the map */
1944	if ((op->glow_radius != 0) && where->map)	1739	if ((op->glow_radius != 0) && map)
1945	{	1740	{
1946	#ifdef DEBUG_LIGHTS	1741	#ifdef DEBUG_LIGHTS
1947	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1742	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1948	#endif /* DEBUG_LIGHTS */	1743	#endif /* DEBUG_LIGHTS */
1949	if (MAP_DARKNESS (where->map))	1744	if (map->darkness)
1950	update_all_los (where->map, where->x, where->y);	1745	update_all_los (map, x, y);
1951	}	1746	}
1952		1747
1953	/* Client has no idea of ordering so lets not bother ordering it here.	1748	/* Client has no idea of ordering so lets not bother ordering it here.
1954	* It sure simplifies this function...	1749	* It sure simplifies this function...
1955	*/	1750	*/
1956	if (where->inv == NULL)	1751	if (!inv)
1957	where->inv = op;	1752	inv = op;
1958	else	1753	else
1959	{	1754	{
1960	op->below = where->inv;	1755	op->below = inv;
1961	op->below->above = op;	1756	op->below->above = op;
1962	where->inv = op;	1757	inv = op;
1963	}	1758	}
		1759
		1760	INVOKE_OBJECT (INSERT, this);
		1761
1964	return op;	1762	return op;
1965	}	1763	}
1966		1764
1967	/*	1765	/*
1968	* Checks if any objects has a move_type that matches objects	1766	* Checks if any objects has a move_type that matches objects
…		…
1982	*	1780	*
1983	* MSW 2001-07-08: Check all objects on space, not just those below	1781	* MSW 2001-07-08: Check all objects on space, not just those below
1984	* object being inserted. insert_ob_in_map may not put new objects	1782	* object being inserted. insert_ob_in_map may not put new objects
1985	* on top.	1783	* on top.
1986	*/	1784	*/
1987
1988	int	1785	int
1989	check_move_on (object *op, object *originator)	1786	check_move_on (object *op, object *originator)
1990	{	1787	{
1991	object *tmp;	1788	object *tmp;
1992	tag_t tag;
1993	mapstruct *m = op->map;	1789	maptile *m = op->map;
1994	int x = op->x, y = op->y;	1790	int x = op->x, y = op->y;
1995		1791
1996	MoveType move_on, move_slow, move_block;	1792	MoveType move_on, move_slow, move_block;
1997		1793
1998	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1794	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1999	return 0;	1795	return 0;
2000
2001	tag = op->count;
2002		1796
2003	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1797	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
2004	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1798	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
2005	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1799	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
2006		1800
…		…
2022		1816
2023	/* The objects have to be checked from top to bottom.	1817	/* The objects have to be checked from top to bottom.
2024	* Hence, we first go to the top:	1818	* Hence, we first go to the top:
2025	*/	1819	*/
2026		1820
2027	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1821	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
2028	{	1822	{
2029	/* Trim the search when we find the first other spell effect	1823	/* Trim the search when we find the first other spell effect
2030	* this helps performance so that if a space has 50 spell objects,	1824	* this helps performance so that if a space has 50 spell objects,
2031	* we don't need to check all of them.	1825	* we don't need to check all of them.
2032	*/	1826	*/
…		…
2049	{	1843	{
2050	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1844	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2051	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1845	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
2052	{	1846	{
2053		1847
		1848	float
2054	float diff = tmp->move_slow_penalty * FABS (op->speed);	1849	diff = tmp->move_slow_penalty * fabs (op->speed);
2055		1850
2056	if (op->type == PLAYER)	1851	if (op->type == PLAYER)
2057	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1852	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
2058	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1853	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2059	diff /= 4.0;	1854	diff /= 4.0;
…		…
2066	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1861	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2067	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1862	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
2068	{	1863	{
2069	move_apply (tmp, op, originator);	1864	move_apply (tmp, op, originator);
2070		1865
2071	if (was_destroyed (op, tag))	1866	if (op->destroyed ())
2072	return 1;	1867	return 1;
2073		1868
2074	/* what the person/creature stepped onto has moved the object	1869	/* what the person/creature stepped onto has moved the object
2075	* someplace new. Don't process any further - if we did,	1870	* someplace new. Don't process any further - if we did,
2076	* have a feeling strange problems would result.	1871	* have a feeling strange problems would result.
…		…
2086	/*	1881	/*
2087	* present_arch(arch, map, x, y) searches for any objects with	1882	* present_arch(arch, map, x, y) searches for any objects with
2088	* a matching archetype at the given map and coordinates.	1883	* a matching archetype at the given map and coordinates.
2089	* The first matching object is returned, or NULL if none.	1884	* The first matching object is returned, or NULL if none.
2090	*/	1885	*/
2091
2092	object *	1886	object *
2093	present_arch (const archetype *at, mapstruct *m, int x, int y)	1887	present_arch (const archetype *at, maptile *m, int x, int y)
2094	{	1888	{
2095	object *
2096	tmp;
2097
2098	if (m == NULL || out_of_map (m, x, y))	1889	if (!m || out_of_map (m, x, y))
2099	{	1890	{
2100	LOG (llevError, "Present_arch called outside map.\n");	1891	LOG (llevError, "Present_arch called outside map.\n");
2101	return NULL;	1892	return NULL;
2102	}	1893	}
2103	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1894
		1895	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2104	if (tmp->arch == at)	1896	if (tmp->arch == at)
2105	return tmp;	1897	return tmp;
		1898
2106	return NULL;	1899	return NULL;
2107	}	1900	}
2108		1901
2109	/*	1902	/*
2110	* present(type, map, x, y) searches for any objects with	1903	* present(type, map, x, y) searches for any objects with
2111	* a matching type variable at the given map and coordinates.	1904	* a matching type variable at the given map and coordinates.
2112	* The first matching object is returned, or NULL if none.	1905	* The first matching object is returned, or NULL if none.
2113	*/	1906	*/
2114
2115	object *	1907	object *
2116	present (unsigned char type, mapstruct *m, int x, int y)	1908	present (unsigned char type, maptile *m, int x, int y)
2117	{	1909	{
2118	object *
2119	tmp;
2120
2121	if (out_of_map (m, x, y))	1910	if (out_of_map (m, x, y))
2122	{	1911	{
2123	LOG (llevError, "Present called outside map.\n");	1912	LOG (llevError, "Present called outside map.\n");
2124	return NULL;	1913	return NULL;
2125	}	1914	}
2126	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1915
		1916	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2127	if (tmp->type == type)	1917	if (tmp->type == type)
2128	return tmp;	1918	return tmp;
		1919
2129	return NULL;	1920	return NULL;
2130	}	1921	}
2131		1922
2132	/*	1923	/*
2133	* present_in_ob(type, object) searches for any objects with	1924	* present_in_ob(type, object) searches for any objects with
2134	* a matching type variable in the inventory of the given object.	1925	* a matching type variable in the inventory of the given object.
2135	* The first matching object is returned, or NULL if none.	1926	* The first matching object is returned, or NULL if none.
2136	*/	1927	*/
2137
2138	object *	1928	object *
2139	present_in_ob (unsigned char type, const object *op)	1929	present_in_ob (unsigned char type, const object *op)
2140	{	1930	{
2141	object *
2142	tmp;
2143
2144	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1931	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2145	if (tmp->type == type)	1932	if (tmp->type == type)
2146	return tmp;	1933	return tmp;
		1934
2147	return NULL;	1935	return NULL;
2148	}	1936	}
2149		1937
2150	/*	1938	/*
2151	* present_in_ob (type, str, object) searches for any objects with	1939	* present_in_ob (type, str, object) searches for any objects with
…		…
2159	* str is the string to match against. Note that we match against	1947	* str is the string to match against. Note that we match against
2160	* the object name, not the archetype name. this is so that the	1948	* the object name, not the archetype name. this is so that the
2161	* spell code can use one object type (force), but change it's name	1949	* spell code can use one object type (force), but change it's name
2162	* to be unique.	1950	* to be unique.
2163	*/	1951	*/
2164
2165	object *	1952	object *
2166	present_in_ob_by_name (int type, const char *str, const object *op)	1953	present_in_ob_by_name (int type, const char *str, const object *op)
2167	{	1954	{
2168	object *
2169	tmp;
2170
2171	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1955	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2172	{
2173	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1956	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2174	return tmp;	1957	return tmp;
2175	}	1958
2176	return NULL;	1959	return 0;
2177	}	1960	}
2178		1961
2179	/*	1962	/*
2180	* present_arch_in_ob(archetype, object) searches for any objects with	1963	* present_arch_in_ob(archetype, object) searches for any objects with
2181	* a matching archetype in the inventory of the given object.	1964	* a matching archetype in the inventory of the given object.
2182	* The first matching object is returned, or NULL if none.	1965	* The first matching object is returned, or NULL if none.
2183	*/	1966	*/
2184
2185	object *	1967	object *
2186	present_arch_in_ob (const archetype *at, const object *op)	1968	present_arch_in_ob (const archetype *at, const object *op)
2187	{	1969	{
2188	object *
2189	tmp;
2190
2191	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1970	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2192	if (tmp->arch == at)	1971	if (tmp->arch == at)
2193	return tmp;	1972	return tmp;
		1973
2194	return NULL;	1974	return NULL;
2195	}	1975	}
2196		1976
2197	/*	1977	/*
2198	* activate recursively a flag on an object inventory	1978	* activate recursively a flag on an object inventory
2199	*/	1979	*/
2200	void	1980	void
2201	flag_inv (object *op, int flag)	1981	flag_inv (object *op, int flag)
2202	{	1982	{
2203	object *
2204	tmp;
2205
2206	if (op->inv)	1983	if (op->inv)
2207	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1984	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2208	{	1985	{
2209	SET_FLAG (tmp, flag);	1986	SET_FLAG (tmp, flag);
2210	flag_inv (tmp, flag);	1987	flag_inv (tmp, flag);
2211	}	1988	}
2212	} /*	1989	}
		1990
		1991	/*
2213	* desactivate recursively a flag on an object inventory	1992	* deactivate recursively a flag on an object inventory
2214	*/	1993	*/
2215	void	1994	void
2216	unflag_inv (object *op, int flag)	1995	unflag_inv (object *op, int flag)
2217	{	1996	{
2218	object *
2219	tmp;
2220
2221	if (op->inv)	1997	if (op->inv)
2222	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1998	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2223	{	1999	{
2224	CLEAR_FLAG (tmp, flag);	2000	CLEAR_FLAG (tmp, flag);
2225	unflag_inv (tmp, flag);	2001	unflag_inv (tmp, flag);
2226	}	2002	}
2227	}
2228
2229	/*
2230	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2231	* all it's inventory (recursively).
2232	* If checksums are used, a player will get set_cheat called for
2233	* him/her-self and all object carried by a call to this function.
2234	*/
2235
2236	void
2237	set_cheat (object *op)
2238	{
2239	SET_FLAG (op, FLAG_WAS_WIZ);
2240	flag_inv (op, FLAG_WAS_WIZ);
2241	}	2003	}
2242		2004
2243	/*	2005	/*
2244	* find_free_spot(object, map, x, y, start, stop) will search for	2006	* find_free_spot(object, map, x, y, start, stop) will search for
2245	* a spot at the given map and coordinates which will be able to contain	2007	* a spot at the given map and coordinates which will be able to contain
…		…
2259	* because arch_blocked (now ob_blocked) needs to know the movement type	2021	* because arch_blocked (now ob_blocked) needs to know the movement type
2260	* to know if the space in question will block the object. We can't use	2022	* to know if the space in question will block the object. We can't use
2261	* the archetype because that isn't correct if the monster has been	2023	* the archetype because that isn't correct if the monster has been
2262	* customized, changed states, etc.	2024	* customized, changed states, etc.
2263	*/	2025	*/
2264
2265	int	2026	int
2266	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	2027	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2267	{	2028	{
2268	int
2269	i,
2270	index = 0, flag;	2029	int index = 0, flag;
2271	static int
2272	altern[SIZEOFFREE];	2030	int altern[SIZEOFFREE];
2273		2031
2274	for (i = start; i < stop; i++)	2032	for (int i = start; i < stop; i++)
2275	{	2033	{
2276	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2034	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2277	if (!flag)	2035	if (!flag)
2278	altern[index++] = i;	2036	altern [index++] = i;
2279		2037
2280	/* Basically, if we find a wall on a space, we cut down the search size.	2038	/* Basically, if we find a wall on a space, we cut down the search size.
2281	* In this way, we won't return spaces that are on another side of a wall.	2039	* In this way, we won't return spaces that are on another side of a wall.
2282	* This mostly work, but it cuts down the search size in all directions -	2040	* This mostly work, but it cuts down the search size in all directions -
2283	* if the space being examined only has a wall to the north and empty	2041	* if the space being examined only has a wall to the north and empty
2284	* spaces in all the other directions, this will reduce the search space	2042	* spaces in all the other directions, this will reduce the search space
2285	* to only the spaces immediately surrounding the target area, and	2043	* to only the spaces immediately surrounding the target area, and
2286	* won't look 2 spaces south of the target space.	2044	* won't look 2 spaces south of the target space.
2287	*/	2045	*/
2288	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2046	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2289	stop = maxfree[i];	2047	stop = maxfree[i];
2290	}	2048	}
		2049
2291	if (!index)	2050	if (!index)
2292	return -1;	2051	return -1;
		2052
2293	return altern[RANDOM () % index];	2053	return altern [rndm (index)];
2294	}	2054	}
2295		2055
2296	/*	2056	/*
2297	* find_first_free_spot(archetype, mapstruct, x, y) works like	2057	* find_first_free_spot(archetype, maptile, x, y) works like
2298	* find_free_spot(), but it will search max number of squares.	2058	* find_free_spot(), but it will search max number of squares.
2299	* But it will return the first available spot, not a random choice.	2059	* But it will return the first available spot, not a random choice.
2300	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2060	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2301	*/	2061	*/
2302
2303	int	2062	int
2304	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2063	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2305	{	2064	{
2306	int
2307	i;
2308
2309	for (i = 0; i < SIZEOFFREE; i++)	2065	for (int i = 0; i < SIZEOFFREE; i++)
2310	{
2311	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2066	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2312	return i;	2067	return i;
2313	}	2068
2314	return -1;	2069	return -1;
2315	}	2070	}
2316		2071
2317	/*	2072	/*
2318	* The function permute(arr, begin, end) randomly reorders the array	2073	* The function permute(arr, begin, end) randomly reorders the array
2319	* arr[begin..end-1].	2074	* arr[begin..end-1].
		2075	* now uses a fisher-yates shuffle, old permute was broken
2320	*/	2076	*/
2321	static void	2077	static void
2322	permute (int *arr, int begin, int end)	2078	permute (int *arr, int begin, int end)
2323	{	2079	{
2324	int	2080	arr += begin;
2325	i,
2326	j,
2327	tmp,
2328	len;
2329
2330	len = end - begin;	2081	end -= begin;
2331	for (i = begin; i < end; i++)
2332	{
2333	j = begin + RANDOM () % len;
2334		2082
2335	tmp = arr[i];	2083	while (--end)
2336	arr[i] = arr[j];	2084	swap (arr [end], arr [rndm (end + 1)]);
2337	arr[j] = tmp;
2338	}
2339	}	2085	}
2340		2086
2341	/* new function to make monster searching more efficient, and effective!	2087	/* new function to make monster searching more efficient, and effective!
2342	* This basically returns a randomized array (in the passed pointer) of	2088	* This basically returns a randomized array (in the passed pointer) of
2343	* the spaces to find monsters. In this way, it won't always look for	2089	* the spaces to find monsters. In this way, it won't always look for
…		…
2346	* the 3x3 area will be searched, just not in a predictable order.	2092	* the 3x3 area will be searched, just not in a predictable order.
2347	*/	2093	*/
2348	void	2094	void
2349	get_search_arr (int *search_arr)	2095	get_search_arr (int *search_arr)
2350	{	2096	{
2351	int	2097	int i;
2352	i;
2353		2098
2354	for (i = 0; i < SIZEOFFREE; i++)	2099	for (i = 0; i < SIZEOFFREE; i++)
2355	{
2356	search_arr[i] = i;	2100	search_arr[i] = i;
2357	}
2358		2101
2359	permute (search_arr, 1, SIZEOFFREE1 + 1);	2102	permute (search_arr, 1, SIZEOFFREE1 + 1);
2360	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2103	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2361	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2104	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2362	}	2105	}
…		…
2371	* Perhaps incorrectly, but I'm making the assumption that exclude	2114	* Perhaps incorrectly, but I'm making the assumption that exclude
2372	* is actually want is going to try and move there. We need this info	2115	* is actually want is going to try and move there. We need this info
2373	* because we have to know what movement the thing looking to move	2116	* because we have to know what movement the thing looking to move
2374	* there is capable of.	2117	* there is capable of.
2375	*/	2118	*/
2376
2377	int	2119	int
2378	find_dir (mapstruct *m, int x, int y, object *exclude)	2120	find_dir (maptile *m, int x, int y, object *exclude)
2379	{	2121	{
2380	int
2381	i,
2382	max = SIZEOFFREE, mflags;	2122	int i, max = SIZEOFFREE, mflags;
2383	sint16	2123
2384	nx,	2124	sint16 nx, ny;
2385	ny;
2386	object *	2125	object *tmp;
2387	tmp;	2126	maptile *mp;
2388	mapstruct *
2389	mp;
2390	MoveType
2391	blocked,
2392	move_type;
2393		2127
		2128	MoveType blocked, move_type;
		2129
2394	if (exclude && exclude->head)	2130	if (exclude && exclude->head_ () != exclude)
2395	{	2131	{
2396	exclude = exclude->head;	2132	exclude = exclude->head;
2397	move_type = exclude->move_type;	2133	move_type = exclude->move_type;
2398	}	2134	}
2399	else	2135	else
…		…
2407	mp = m;	2143	mp = m;
2408	nx = x + freearr_x[i];	2144	nx = x + freearr_x[i];
2409	ny = y + freearr_y[i];	2145	ny = y + freearr_y[i];
2410		2146
2411	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2147	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2148
2412	if (mflags & P_OUT_OF_MAP)	2149	if (mflags & P_OUT_OF_MAP)
2413	{
2414	max = maxfree[i];	2150	max = maxfree[i];
2415	}
2416	else	2151	else
2417	{	2152	{
2418	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2153	mapspace &ms = mp->at (nx, ny);
		2154
		2155	blocked = ms.move_block;
2419		2156
2420	if ((move_type & blocked) == move_type)	2157	if ((move_type & blocked) == move_type)
2421	{
2422	max = maxfree[i];	2158	max = maxfree[i];
2423	}
2424	else if (mflags & P_IS_ALIVE)	2159	else if (mflags & P_IS_ALIVE)
2425	{	2160	{
2426	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2161	for (tmp = ms.bot; tmp; tmp = tmp->above)
2427	{	2162	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2428	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2163	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2429	{
2430	break;	2164	break;
2431	}	2165
2432	}
2433	if (tmp)	2166	if (tmp)
2434	{
2435	return freedir[i];	2167	return freedir[i];
2436	}
2437	}	2168	}
2438	}	2169	}
2439	}	2170	}
		2171
2440	return 0;	2172	return 0;
2441	}	2173	}
2442		2174
2443	/*	2175	/*
2444	* distance(object 1, object 2) will return the square of the	2176	* distance(object 1, object 2) will return the square of the
2445	* distance between the two given objects.	2177	* distance between the two given objects.
2446	*/	2178	*/
2447
2448	int	2179	int
2449	distance (const object *ob1, const object *ob2)	2180	distance (const object *ob1, const object *ob2)
2450	{	2181	{
2451	int
2452	i;
2453
2454	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2182	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2455	return i;
2456	}	2183	}
2457		2184
2458	/*	2185	/*
2459	* find_dir_2(delta-x,delta-y) will return a direction in which	2186	* find_dir_2(delta-x,delta-y) will return a direction in which
2460	* an object which has subtracted the x and y coordinates of another	2187	* an object which has subtracted the x and y coordinates of another
2461	* object, needs to travel toward it.	2188	* object, needs to travel toward it.
2462	*/	2189	*/
2463
2464	int	2190	int
2465	find_dir_2 (int x, int y)	2191	find_dir_2 (int x, int y)
2466	{	2192	{
2467	int	2193	int q;
2468	q;
2469		2194
2470	if (y)	2195	if (y)
2471	q = x * 100 / y;	2196	q = x * 100 / y;
2472	else if (x)	2197	else if (x)
2473	q = -300 * x;	2198	q = -300 * x;
…		…
2498		2223
2499	return 3;	2224	return 3;
2500	}	2225	}
2501		2226
2502	/*	2227	/*
2503	* absdir(int): Returns a number between 1 and 8, which represent
2504	* the "absolute" direction of a number (it actually takes care of
2505	* "overflow" in previous calculations of a direction).
2506	*/
2507
2508	int
2509	absdir (int d)
2510	{
2511	while (d < 1)
2512	d += 8;
2513	while (d > 8)
2514	d -= 8;
2515	return d;
2516	}
2517
2518	/*
2519	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2228	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2520	* between two directions (which are expected to be absolute (see absdir())	2229	* between two directions (which are expected to be absolute (see absdir())
2521	*/	2230	*/
2522
2523	int	2231	int
2524	dirdiff (int dir1, int dir2)	2232	dirdiff (int dir1, int dir2)
2525	{	2233	{
2526	int	2234	int d;
2527	d;
2528		2235
2529	d = abs (dir1 - dir2);	2236	d = abs (dir1 - dir2);
2530	if (d > 4)	2237	if (d > 4)
2531	d = 8 - d;	2238	d = 8 - d;
		2239
2532	return d;	2240	return d;
2533	}	2241	}
2534		2242
2535	/* peterm:	2243	/* peterm:
2536	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2244	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2539	* This basically means that if direction is 15, then it could either go	2247	* This basically means that if direction is 15, then it could either go
2540	* direction 4, 14, or 16 to get back to where we are.	2248	* direction 4, 14, or 16 to get back to where we are.
2541	* Moved from spell_util.c to object.c with the other related direction	2249	* Moved from spell_util.c to object.c with the other related direction
2542	* functions.	2250	* functions.
2543	*/	2251	*/
2544
2545	int
2546	reduction_dir[SIZEOFFREE][3] = {	2252	int reduction_dir[SIZEOFFREE][3] = {
2547	{0, 0, 0}, /* 0 */	2253	{0, 0, 0}, /* 0 */
2548	{0, 0, 0}, /* 1 */	2254	{0, 0, 0}, /* 1 */
2549	{0, 0, 0}, /* 2 */	2255	{0, 0, 0}, /* 2 */
2550	{0, 0, 0}, /* 3 */	2256	{0, 0, 0}, /* 3 */
2551	{0, 0, 0}, /* 4 */	2257	{0, 0, 0}, /* 4 */
…		…
2599	* find a path to that monster that we found. If not,	2305	* find a path to that monster that we found. If not,
2600	* we don't bother going toward it. Returns 1 if we	2306	* we don't bother going toward it. Returns 1 if we
2601	* can see a direct way to get it	2307	* can see a direct way to get it
2602	* Modified to be map tile aware -.MSW	2308	* Modified to be map tile aware -.MSW
2603	*/	2309	*/
2604
2605
2606	int	2310	int
2607	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2311	can_see_monsterP (maptile *m, int x, int y, int dir)
2608	{	2312	{
2609	sint16	2313	sint16 dx, dy;
2610	dx,
2611	dy;
2612	int
2613	mflags;	2314	int mflags;
2614		2315
2615	if (dir < 0)	2316	if (dir < 0)
2616	return 0; /* exit condition: invalid direction */	2317	return 0; /* exit condition: invalid direction */
2617		2318
2618	dx = x + freearr_x[dir];	2319	dx = x + freearr_x[dir];
…		…
2631	return 0;	2332	return 0;
2632		2333
2633	/* yes, can see. */	2334	/* yes, can see. */
2634	if (dir < 9)	2335	if (dir < 9)
2635	return 1;	2336	return 1;
		2337
2636	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2338	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2637	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2339	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2340	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2638	}	2341	}
2639
2640
2641		2342
2642	/*	2343	/*
2643	* can_pick(picker, item): finds out if an object is possible to be	2344	* can_pick(picker, item): finds out if an object is possible to be
2644	* picked up by the picker. Returnes 1 if it can be	2345	* picked up by the picker. Returnes 1 if it can be
2645	* picked up, otherwise 0.	2346	* picked up, otherwise 0.
…		…
2656	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2357	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2657	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2358	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2658	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2359	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2659	}	2360	}
2660		2361
2661
2662	/*	2362	/*
2663	* create clone from object to another	2363	* create clone from object to another
2664	*/	2364	*/
2665	object *	2365	object *
2666	object_create_clone (object *asrc)	2366	object_create_clone (object *asrc)
2667	{	2367	{
2668	object *
2669	dst = NULL, *tmp, *src, *part, *prev, *item;	2368	object *dst = 0, *tmp, *src, *prev, *item;
2670		2369
2671	if (!asrc)	2370	if (!asrc)
2672	return NULL;	2371	return 0;
2673	src = asrc;	2372
2674	if (src->head)
2675	src = src->head;	2373	src = asrc->head_ ();
2676		2374
2677	prev = NULL;	2375	prev = 0;
2678	for (part = src; part; part = part->more)	2376	for (object *part = src; part; part = part->more)
2679	{	2377	{
2680	tmp = get_object ();	2378	tmp = part->clone ();
2681	copy_object (part, tmp);
2682	tmp->x -= src->x;	2379	tmp->x -= src->x;
2683	tmp->y -= src->y;	2380	tmp->y -= src->y;
		2381
2684	if (!part->head)	2382	if (!part->head)
2685	{	2383	{
2686	dst = tmp;	2384	dst = tmp;
2687	tmp->head = NULL;	2385	tmp->head = 0;
2688	}	2386	}
2689	else	2387	else
2690	{
2691	tmp->head = dst;	2388	tmp->head = dst;
2692	}	2389
2693	tmp->more = NULL;	2390	tmp->more = 0;
		2391
2694	if (prev)	2392	if (prev)
2695	prev->more = tmp;	2393	prev->more = tmp;
		2394
2696	prev = tmp;	2395	prev = tmp;
2697	}	2396	}
2698		2397
2699	/*** copy inventory ***/
2700	for (item = src->inv; item; item = item->below)	2398	for (item = src->inv; item; item = item->below)
2701	{
2702	(void) insert_ob_in_ob (object_create_clone (item), dst);	2399	insert_ob_in_ob (object_create_clone (item), dst);
2703	}
2704		2400
2705	return dst;	2401	return dst;
2706	}
2707
2708	/* return true if the object was destroyed, 0 otherwise */
2709	int
2710	was_destroyed (const object *op, tag_t old_tag)
2711	{
2712	/* checking for FLAG_FREED isn't necessary, but makes this function more
2713	* robust */
2714	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2715	}
2716
2717	/* GROS - Creates an object using a string representing its content. */
2718
2719	/* Basically, we save the content of the string to a temp file, then call */
2720
2721	/* load_object on it. I admit it is a highly inefficient way to make things, */
2722
2723	/* but it was simple to make and allows reusing the load_object function. */
2724
2725	/* Remember not to use load_object_str in a time-critical situation. */
2726
2727	/* Also remember that multiparts objects are not supported for now. */
2728
2729	object *
2730	load_object_str (const char *obstr)
2731	{
2732	object *
2733	op;
2734	char
2735	filename[MAX_BUF];
2736
2737	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2738
2739	FILE *
2740	tempfile = fopen (filename, "w");
2741
2742	if (tempfile == NULL)
2743	{
2744	LOG (llevError, "Error - Unable to access load object temp file\n");
2745	return NULL;
2746	};
2747	fprintf (tempfile, obstr);
2748	fclose (tempfile);
2749
2750	op = get_object ();
2751
2752	object_thawer
2753	thawer (filename);
2754
2755	if (thawer)
2756	load_object (thawer, op, 0);
2757
2758	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2759	CLEAR_FLAG (op, FLAG_REMOVED);
2760
2761	return op;
2762	}	2402	}
2763		2403
2764	/* This returns the first object in who's inventory that	2404	/* This returns the first object in who's inventory that
2765	* has the same type and subtype match.	2405	* has the same type and subtype match.
2766	* returns NULL if no match.	2406	* returns NULL if no match.
2767	*/	2407	*/
2768	object *	2408	object *
2769	find_obj_by_type_subtype (const object *who, int type, int subtype)	2409	find_obj_by_type_subtype (const object *who, int type, int subtype)
2770	{	2410	{
2771	object *
2772	tmp;
2773
2774	for (tmp = who->inv; tmp; tmp = tmp->below)	2411	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2775	if (tmp->type == type && tmp->subtype == subtype)	2412	if (tmp->type == type && tmp->subtype == subtype)
2776	return tmp;	2413	return tmp;
2777		2414
2778	return NULL;	2415	return 0;
2779	}	2416	}
2780		2417
2781	/* If ob has a field named key, return the link from the list,	2418	/* If ob has a field named key, return the link from the list,
2782	* otherwise return NULL.	2419	* otherwise return NULL.
2783	*	2420	*
…		…
2785	* do the desired thing.	2422	* do the desired thing.
2786	*/	2423	*/
2787	key_value *	2424	key_value *
2788	get_ob_key_link (const object *ob, const char *key)	2425	get_ob_key_link (const object *ob, const char *key)
2789	{	2426	{
2790	key_value *
2791	link;
2792
2793	for (link = ob->key_values; link != NULL; link = link->next)	2427	for (key_value *link = ob->key_values; link; link = link->next)
2794	{
2795	if (link->key == key)	2428	if (link->key == key)
2796	{
2797	return link;	2429	return link;
2798	}
2799	}
2800		2430
2801	return NULL;	2431	return 0;
2802	}	2432	}
2803		2433
2804	/*	2434	/*
2805	* Returns the value of op has an extra_field for key, or NULL.	2435	* Returns the value of op has an extra_field for key, or NULL.
2806	*	2436	*
…		…
2809	* The returned string is shared.	2439	* The returned string is shared.
2810	*/	2440	*/
2811	const char *	2441	const char *
2812	get_ob_key_value (const object *op, const char *const key)	2442	get_ob_key_value (const object *op, const char *const key)
2813	{	2443	{
2814	key_value *	2444	key_value *link;
2815	link;	2445	shstr_cmp canonical_key (key);
2816	const char *
2817	canonical_key;
2818		2446
2819	canonical_key = shstr::find (key);
2820
2821	if (canonical_key == NULL)	2447	if (!canonical_key)
2822	{	2448	{
2823	/* 1. There being a field named key on any object	2449	/* 1. There being a field named key on any object
2824	* implies there'd be a shared string to find.	2450	* implies there'd be a shared string to find.
2825	* 2. Since there isn't, no object has this field.	2451	* 2. Since there isn't, no object has this field.
2826	* 3. Therefore, *this* object doesn't have this field.	2452	* 3. Therefore, *this* object doesn't have this field.
2827	*/	2453	*/
2828	return NULL;	2454	return 0;
2829	}	2455	}
2830		2456
2831	/* This is copied from get_ob_key_link() above -	2457	/* This is copied from get_ob_key_link() above -
2832	* only 4 lines, and saves the function call overhead.	2458	* only 4 lines, and saves the function call overhead.
2833	*/	2459	*/
2834	for (link = op->key_values; link != NULL; link = link->next)	2460	for (link = op->key_values; link; link = link->next)
2835	{
2836	if (link->key == canonical_key)	2461	if (link->key == canonical_key)
2837	{
2838	return link->value;	2462	return link->value;
2839	}	2463
2840	}
2841	return NULL;	2464	return 0;
2842	}	2465	}
2843
2844		2466
2845	/*	2467	/*
2846	* Updates the canonical_key in op to value.	2468	* Updates the canonical_key in op to value.
2847	*	2469	*
2848	* canonical_key is a shared string (value doesn't have to be).	2470	* canonical_key is a shared string (value doesn't have to be).
…		…
2853	* Returns TRUE on success.	2475	* Returns TRUE on success.
2854	*/	2476	*/
2855	int	2477	int
2856	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2478	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2857	{	2479	{
2858	key_value *
2859	field = NULL, *last = NULL;	2480	key_value *field = NULL, *last = NULL;
2860		2481
2861	for (field = op->key_values; field != NULL; field = field->next)	2482	for (field = op->key_values; field != NULL; field = field->next)
2862	{	2483	{
2863	if (field->key != canonical_key)	2484	if (field->key != canonical_key)
2864	{	2485	{
…		…
2873	/* Basically, if the archetype has this key set,	2494	/* Basically, if the archetype has this key set,
2874	* we need to store the null value so when we save	2495	* we need to store the null value so when we save
2875	* it, we save the empty value so that when we load,	2496	* it, we save the empty value so that when we load,
2876	* we get this value back again.	2497	* we get this value back again.
2877	*/	2498	*/
2878	if (get_ob_key_link (&op->arch->clone, canonical_key))	2499	if (get_ob_key_link (op->arch, canonical_key))
2879	field->value = 0;	2500	field->value = 0;
2880	else	2501	else
2881	{	2502	{
2882	if (last)	2503	if (last)
2883	last->next = field->next;	2504	last->next = field->next;
2884	else	2505	else
2885	op->key_values = field->next;	2506	op->key_values = field->next;
2886		2507
2887	delete
2888	field;	2508	delete field;
2889	}	2509	}
2890	}	2510	}
2891	return TRUE;	2511	return TRUE;
2892	}	2512	}
2893	/* IF we get here, key doesn't exist */	2513	/* IF we get here, key doesn't exist */
2894		2514
2895	/* No field, we'll have to add it. */	2515	/* No field, we'll have to add it. */
2896		2516
2897	if (!add_key)	2517	if (!add_key)
2898	{
2899	return FALSE;	2518	return FALSE;
2900	}	2519
2901	/* There isn't any good reason to store a null	2520	/* There isn't any good reason to store a null
2902	* value in the key/value list. If the archetype has	2521	* value in the key/value list. If the archetype has
2903	* this key, then we should also have it, so shouldn't	2522	* this key, then we should also have it, so shouldn't
2904	* be here. If user wants to store empty strings,	2523	* be here. If user wants to store empty strings,
2905	* should pass in ""	2524	* should pass in ""
…		…
2928	* Returns TRUE on success.	2547	* Returns TRUE on success.
2929	*/	2548	*/
2930	int	2549	int
2931	set_ob_key_value (object *op, const char *key, const char *value, int add_key)	2550	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2932	{	2551	{
2933	shstr
2934	key_ (key);	2552	shstr key_ (key);
2935		2553
2936	return set_ob_key_value_s (op, key_, value, add_key);	2554	return set_ob_key_value_s (op, key_, value, add_key);
2937	}	2555	}
		2556
		2557	object::depth_iterator::depth_iterator (object *container)
		2558	: iterator_base (container)
		2559	{
		2560	while (item->inv)
		2561	item = item->inv;
		2562	}
		2563
		2564	void
		2565	object::depth_iterator::next ()
		2566	{
		2567	if (item->below)
		2568	{
		2569	item = item->below;
		2570
		2571	while (item->inv)
		2572	item = item->inv;
		2573	}
		2574	else
		2575	item = item->env;
		2576	}
		2577
		2578	const char *
		2579	object::flag_desc (char *desc, int len) const
		2580	{
		2581	char *p = desc;
		2582	bool first = true;
		2583
		2584	*p = 0;
		2585
		2586	for (int i = 0; i < NUM_FLAGS; i++)
		2587	{
		2588	if (len <= 10) // magic constant!
		2589	{
		2590	snprintf (p, len, ",...");
		2591	break;
		2592	}
		2593
		2594	if (flag [i])
		2595	{
		2596	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2597	len -= cnt;
		2598	p += cnt;
		2599	first = false;
		2600	}
		2601	}
		2602
		2603	return desc;
		2604	}
		2605
		2606	// return a suitable string describing an object in enough detail to find it
		2607	const char *
		2608	object::debug_desc (char *info) const
		2609	{
		2610	char flagdesc[512];
		2611	char info2[256 * 4];
		2612	char *p = info;
		2613
		2614	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
		2615	count, uuid.seq,
		2616	&name,
		2617	title ? "\",title:\"" : "",
		2618	title ? (const char *)title : "",
		2619	flag_desc (flagdesc, 512), type);
		2620
		2621	if (env)
		2622	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2623
		2624	if (map)
		2625	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
		2626
		2627	return info;
		2628	}
		2629
		2630	const char *
		2631	object::debug_desc () const
		2632	{
		2633	static char info[3][256 * 4];
		2634	static int info_idx;
		2635
		2636	return debug_desc (info [++info_idx % 3]);
		2637	}
		2638
		2639	struct region *
		2640	object::region () const
		2641	{
		2642	return map ? map->region (x, y)
		2643	: region::default_region ();
		2644	}
		2645
		2646	const materialtype_t *
		2647	object::dominant_material () const
		2648	{
		2649	if (materialtype_t *mt = name_to_material (materialname))
		2650	return mt;
		2651
		2652	return name_to_material (shstr_unknown);
		2653	}
		2654
		2655	void
		2656	object::open_container (object *new_container)
		2657	{
		2658	if (container == new_container)
		2659	return;
		2660
		2661	if (object *old_container = container)
		2662	{
		2663	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2664	return;
		2665
		2666	#if 0
		2667	// remove the "Close old_container" object.
		2668	if (object *closer = old_container->inv)
		2669	if (closer->type == CLOSE_CON)
		2670	closer->destroy ();
		2671	#endif
		2672
		2673	old_container->flag [FLAG_APPLIED] = 0;
		2674	container = 0;
		2675
		2676	esrv_update_item (UPD_FLAGS, this, old_container);
		2677	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2678	}
		2679
		2680	if (new_container)
		2681	{
		2682	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2683	return;
		2684
		2685	// TODO: this does not seem to serve any purpose anymore?
		2686	#if 0
		2687	// insert the "Close Container" object.
		2688	if (archetype *closer = new_container->other_arch)
		2689	{
		2690	object *closer = arch_to_object (new_container->other_arch);
		2691	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2692	new_container->insert (closer);
		2693	}
		2694	#endif
		2695
		2696	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2697
		2698	new_container->flag [FLAG_APPLIED] = 1;
		2699	container = new_container;
		2700
		2701	esrv_update_item (UPD_FLAGS, this, new_container);
		2702	esrv_send_inventory (this, new_container);
		2703	}
		2704	}
		2705
		2706	object *
		2707	object::force_find (const shstr name)
		2708	{
		2709	/* cycle through his inventory to look for the MARK we want to
		2710	* place
		2711	*/
		2712	for (object *tmp = inv; tmp; tmp = tmp->below)
		2713	if (tmp->type == FORCE && tmp->slaying == name)
		2714	return splay (tmp);
		2715
		2716	return 0;
		2717	}
		2718
		2719	void
		2720	object::force_add (const shstr name, int duration)
		2721	{
		2722	if (object *force = force_find (name))
		2723	force->destroy ();
		2724
		2725	object *force = get_archetype (FORCE_NAME);
		2726
		2727	force->slaying = name;
		2728	force->stats.food = 1;
		2729	force->speed_left = -1.f;
		2730
		2731	force->set_speed (duration ? 1.f / duration : 0.f);
		2732	force->flag [FLAG_IS_USED_UP] = true;
		2733	force->flag [FLAG_APPLIED] = true;
		2734
		2735	insert (force);
		2736	}
		2737

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