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Comparing deliantra/server/common/object.C (file contents):
Revision 1.25 by root, Mon Sep 11 01:16:20 2006 UTC vs.
Revision 1.188 by root, Wed Sep 12 11:10:09 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 1.25 2006/09/11 01:16:20 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.
387	* If it's not a multi-object, it is returned.	377	* If it's not a multi-object, it is returned.
388	*/	378	*/
389
390	object *	379	object *
391	get_nearest_part (object *op, const object *pl)	380	get_nearest_part (object *op, const object *pl)
392	{	381	{
393	object *tmp, *closest;	382	object *tmp, *closest;
394	int last_dist, i;	383	int last_dist, i;
…		…
402	}	391	}
403		392
404	/*	393	/*
405	* Returns the object which has the count-variable equal to the argument.	394	* Returns the object which has the count-variable equal to the argument.
406	*/	395	*/
407
408	object *	396	object *
409	find_object (tag_t i)	397	find_object (tag_t i)
410	{	398	{
411	object *op;	399	for_all_objects (op)
412
413	for (op = objects; op != NULL; op = op->next)
414	if (op->count == i)	400	if (op->count == i)
415	break;
416	return op;	401	return op;
		402
		403	return 0;
417	}	404	}
418		405
419	/*	406	/*
420	* Returns the first object which has a name equal to the argument.	407	* Returns the first object which has a name equal to the argument.
421	* Used only by the patch command, but not all that useful.	408	* Used only by the patch command, but not all that useful.
422	* Enables features like "patch <name-of-other-player> food 999"	409	* Enables features like "patch <name-of-other-player> food 999"
423	*/	410	*/
424
425	object *	411	object *
426	find_object_name (const char *str)	412	find_object_name (const char *str)
427	{	413	{
428	const char *name = shstr::find (str);	414	shstr_cmp str_ (str);
429	object *op;	415	object *op;
430		416
431	for (op = objects; op != NULL; op = op->next)	417	for_all_objects (op)
432	if (&op->name == name)	418	if (op->name == str_)
433	break;	419	break;
434		420
435	return op;	421	return op;
436	}	422	}
437		423
…		…
440	{	426	{
441	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);	427	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
442	}	428	}
443		429
444	/*	430	/*
445	* Returns the object which this object marks as being the owner.
446	* A id-scheme is used to avoid pointing to objects which have been
447	* freed and are now reused. If this is detected, the owner is
448	* set to NULL, and NULL is returned.
449	* Changed 2004-02-12 - if the player is setting at the play again
450	* prompt, he is removed, and we don't want to treat him as an owner of
451	* anything, so check removed flag. I don't expect that this should break
452	* anything - once an object is removed, it is basically dead anyways.
453	*/
454
455	object *
456	get_owner (object *op)
457	{
458	if (op->owner == NULL)
459	return NULL;
460
461	if (!QUERY_FLAG (op->owner, FLAG_FREED) && !QUERY_FLAG (op->owner, FLAG_REMOVED) && op->owner->count == op->ownercount)
462	return op->owner;
463
464	op->owner = NULL;
465	op->ownercount = 0;
466	return NULL;
467	}
468
469	void
470	clear_owner (object *op)
471	{
472	if (!op)
473	return;
474
475	if (op->owner && op->ownercount == op->owner->count)
476	op->owner->refcount--;
477
478	op->owner = NULL;
479	op->ownercount = 0;
480	}
481
482	/*
483	* Sets the owner and sets the skill and exp pointers to owner's current	431	* Sets the owner and sets the skill and exp pointers to owner's current
484	* skill and experience objects.	432	* skill and experience objects.
		433	* ACTUALLY NO! investigate! TODO
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	// allow objects which own objects
490	return;	439	if (owner)
491		440	while (owner->owner)
492	/* next line added to allow objects which own objects */
493	/* 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
495	* fireball. I believe that was caused by one of the objects getting
496	* 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.
498	*/
499	while (owner->owner && owner != owner->owner && owner->ownercount == owner->owner->count)
500	owner = owner->owner;	441	owner = owner->owner;
501		442
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;	443	this->owner = owner;
509
510	op->ownercount = owner->count;
511	owner->refcount++;
512	}	444	}
513		445
514	/* Set the owner to clone's current owner and set the skill and experience	446	int
515	* objects to clone's objects (typically those objects that where the owner's	447	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	{	448	{
527	object *owner = get_owner (clone);	449	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	}	450	{
		451	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		452	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		453	}
		454	else
		455	{
		456	if (slot [body_combat].info) return slot_combat;
		457	if (slot [body_range ].info) return slot_ranged;
		458	}
		459
		460	return slot_none;
		461	}
539		462
540	set_owner (op, owner);	463	bool
		464	object::change_weapon (object *ob)
		465	{
		466	if (current_weapon == ob)
		467	return true;
		468
		469	if (chosen_skill)
		470	chosen_skill->flag [FLAG_APPLIED] = false;
		471
		472	current_weapon = ob;
		473	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		474
		475	if (chosen_skill)
		476	chosen_skill->flag [FLAG_APPLIED] = true;
		477
		478	update_stats ();
		479
		480	if (ob)
		481	{
		482	// now check wether any body locations became invalid, in which case
		483	// we cannot apply the weapon at the moment.
		484	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		485	if (slot[i].used < 0)
		486	{
		487	current_weapon = chosen_skill = 0;
		488	update_stats ();
		489
		490	new_draw_info_format (NDI_UNIQUE, 0, this,
		491	"You try to balance all your items at once, "
		492	"but the %s is just too much for your body. "
		493	"[You need to unapply some items first.]", &ob->name);
		494	return false;
		495	}
		496
		497	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		498	}
		499	else
		500	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		501
		502	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		503	{
		504	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		505	&name, ob->debug_desc ());
		506	return false;
		507	}
		508
		509	return true;
541	}	510	}
542		511
543	/* Zero the key_values on op, decrementing the shared-string	512	/* Zero the key_values on op, decrementing the shared-string
544	* refcounts and freeing the links.	513	* refcounts and freeing the links.
545	*/	514	*/
546	static void	515	static void
547	free_key_values (object *op)	516	free_key_values (object *op)
548	{	517	{
549	for (key_value *i = op->key_values; i != 0;)	518	for (key_value *i = op->key_values; i; )
550	{	519	{
551	key_value *next = i->next;	520	key_value *next = i->next;
552	delete i;	521	delete i;
553		522
554	i = next;	523	i = next;
555	}	524	}
556		525
557	op->key_values = 0;	526	op->key_values = 0;
558	}	527	}
559		528
560	void object::clear ()	529	object &
		530	object::operator =(const object &src)
561	{	531	{
562	attachable_base::clear ();	532	bool is_freed = flag [FLAG_FREED];
		533	bool is_removed = flag [FLAG_REMOVED];
563		534
564	free_key_values (this);	535	*(object_copy *)this = src;
565		536
566	clear_owner (this);	537	flag [FLAG_FREED] = is_freed;
567		538	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		539
650	/* Copy over key_values, if any. */	540	/* Copy over key_values, if any. */
651	if (op2->key_values)	541	if (src.key_values)
652	{	542	{
653	key_value *tail = 0;	543	key_value *tail = 0;
654	key_value *i;
655
656	op->key_values = 0;	544	key_values = 0;
657		545
658	for (i = op2->key_values; i; i = i->next)	546	for (key_value *i = src.key_values; i; i = i->next)
659	{	547	{
660	key_value *new_link = new key_value;	548	key_value *new_link = new key_value;
661		549
662	new_link->next = 0;	550	new_link->next = 0;
663	new_link->key = i->key;	551	new_link->key = i->key;
664	new_link->value = i->value;	552	new_link->value = i->value;
665		553
666	/* Try and be clever here, too. */	554	/* Try and be clever here, too. */
667	if (!op->key_values)	555	if (!key_values)
668	{	556	{
669	op->key_values = new_link;	557	key_values = new_link;
670	tail = new_link;	558	tail = new_link;
671	}	559	}
672	else	560	else
673	{	561	{
674	tail->next = new_link;	562	tail->next = new_link;
675	tail = new_link;	563	tail = new_link;
676	}	564	}
677	}	565	}
678	}	566	}
		567	}
679		568
680	update_ob_speed (op);	569	/*
		570	* copy_to first frees everything allocated by the dst object,
		571	* and then copies the contents of itself into the second
		572	* object, allocating what needs to be allocated. Basically, any
		573	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		574	* if the first object is freed, the pointers in the new object
		575	* will point at garbage.
		576	*/
		577	void
		578	object::copy_to (object *dst)
		579	{
		580	*dst = *this;
		581
		582	if (speed < 0)
		583	dst->speed_left -= rndm ();
		584
		585	dst->set_speed (dst->speed);
		586	}
		587
		588	void
		589	object::instantiate ()
		590	{
		591	if (!uuid.seq) // HACK
		592	uuid = gen_uuid ();
		593
		594	speed_left = -0.1f;
		595	/* copy the body_info to the body_used - this is only really
		596	* need for monsters, but doesn't hurt to do it for everything.
		597	* by doing so, when a monster is created, it has good starting
		598	* values for the body_used info, so when items are created
		599	* for it, they can be properly equipped.
		600	*/
		601	for (int i = NUM_BODY_LOCATIONS; i--; )
		602	slot[i].used = slot[i].info;
		603
		604	attachable::instantiate ();
		605	}
		606
		607	object *
		608	object::clone ()
		609	{
		610	object *neu = create ();
		611	copy_to (neu);
		612	return neu;
681	}	613	}
682		614
683	/*	615	/*
684	* If an object with the IS_TURNABLE() flag needs to be turned due	616	* 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	617	* 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.	618	* be called to update the face variable, _and_ how it looks on the map.
687	*/	619	*/
688
689	void	620	void
690	update_turn_face (object *op)	621	update_turn_face (object *op)
691	{	622	{
692	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	623	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
693	return;	624	return;
		625
694	SET_ANIMATION (op, op->direction);	626	SET_ANIMATION (op, op->direction);
695	update_object (op, UP_OBJ_FACE);	627	update_object (op, UP_OBJ_FACE);
696	}	628	}
697		629
698	/*	630	/*
699	* Updates the speed of an object. If the speed changes from 0 to another	631	* 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.	632	* 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.	633	* This function needs to be called whenever the speed of an object changes.
702	*/	634	*/
703
704	void	635	void
705	update_ob_speed (object *op)	636	object::set_speed (float speed)
706	{	637	{
707	extern int arch_init;	638	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	{	639	{
715	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	640	LOG (llevError, "Object %s is freed but has speed.\n", &name);
716	#ifdef MANY_CORES
717	abort ();
718	#else
719	op->speed = 0;	641	speed = 0;
720	#endif
721	}
722	if (arch_init)
723	{	642	}
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		643
732	/* process_events() expects us to insert the object at the beginning	644	this->speed = speed;
733	* of the list. */	645
734	op->active_next = active_objects;	646	if (has_active_speed ())
735	if (op->active_next != NULL)	647	activate ();
736	op->active_next->active_prev = op;
737	active_objects = op;
738	}
739	else	648	else
740	{	649	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	}	650	}
761		651
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	/*	652	/*
794	* update_object() updates the array which represents the map.	653	* update_object() updates the the map.
795	* It takes into account invisible objects (and represent squares covered	654	* It takes into account invisible objects (and represent squares covered
796	* by invisible objects by whatever is below them (unless it's another	655	* by invisible objects by whatever is below them (unless it's another
797	* invisible object, etc...)	656	* invisible object, etc...)
798	* If the object being updated is beneath a player, the look-window	657	* 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	658	* of that player is updated (this might be a suboptimal way of
800	* updating that window, though, since update_object() is called _often_)	659	* updating that window, though, since update_object() is called _often_)
801	*	660	*
802	* action is a hint of what the caller believes need to be done.	661	* 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:	662	* current action are:
808	* UP_OBJ_INSERT: op was inserted	663	* UP_OBJ_INSERT: op was inserted
809	* UP_OBJ_REMOVE: op was removed	664	* UP_OBJ_REMOVE: op was removed
810	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	665	* 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.	666	* as that is easier than trying to look at what may have changed.
812	* UP_OBJ_FACE: only the objects face has changed.	667	* UP_OBJ_FACE: only the objects face has changed.
813	*/	668	*/
814
815	void	669	void
816	update_object (object *op, int action)	670	update_object (object *op, int action)
817	{	671	{
818	int update_now = 0, flags;
819	MoveType move_on, move_off, move_block, move_slow;
820
821	if (op == NULL)	672	if (op == NULL)
822	{	673	{
823	/* this should never happen */	674	/* this should never happen */
824	LOG (llevDebug, "update_object() called for NULL object.\n");	675	LOG (llevDebug, "update_object() called for NULL object.\n");
825	return;	676	return;
826	}	677	}
827		678
828	if (op->env != NULL)	679	if (op->env)
829	{	680	{
830	/* Animation is currently handled by client, so nothing	681	/* Animation is currently handled by client, so nothing
831	* to do in this case.	682	* to do in this case.
832	*/	683	*/
833	return;	684	return;
…		…
838	*/	689	*/
839	if (!op->map || op->map->in_memory == MAP_SAVING)	690	if (!op->map || op->map->in_memory == MAP_SAVING)
840	return;	691	return;
841		692
842	/* make sure the object is within map boundaries */	693	/* 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))	694	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
844	{	695	{
845	LOG (llevError, "update_object() called for object out of map!\n");	696	LOG (llevError, "update_object() called for object out of map!\n");
846	#ifdef MANY_CORES	697	#ifdef MANY_CORES
847	abort ();	698	abort ();
848	#endif	699	#endif
849	return;	700	return;
850	}	701	}
851		702
852	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	703	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		704
		705	if (!(m.flags_ & P_UPTODATE))
		706	/* nop */;
859	if (action == UP_OBJ_INSERT)	707	else if (action == UP_OBJ_INSERT)
860	{	708	{
		709	// this is likely overkill, TODO: revisit (schmorp)
861	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	710	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))	711	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
865	update_now = 1;	712	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
866		713	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		714	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
867	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	715	|| (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)	716	|| (m.move_on | op->move_on ) != m.move_on
877	update_now = 1;
878
879	if ((move_off | op->move_off) != move_off)	717	|| (m.move_off | op->move_off ) != m.move_off
880	update_now = 1;	718	|| (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	719	/* This isn't perfect, but I don't expect a lot of objects to
883	* to have move_allow right now.	720	* to have move_allow right now.
884	*/	721	*/
885	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	722	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
886	update_now = 1;	723	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
887		724	m.flags_ = 0;
888	if ((move_slow | op->move_slow) != move_slow)
889	update_now = 1;
890	}	725	}
891	/* if the object is being removed, we can't make intelligent	726	/* if the object is being removed, we can't make intelligent
892	* decisions, because remove_ob can't really pass the object	727	* decisions, because remove_ob can't really pass the object
893	* that is being removed.	728	* that is being removed.
894	*/	729	*/
895	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	730	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
896	{	731	m.flags_ = 0;
897	update_now = 1;
898	}
899	else if (action == UP_OBJ_FACE)	732	else if (action == UP_OBJ_FACE)
900	{
901	/* Nothing to do for that case */	733	/* Nothing to do for that case */ ;
902	}
903	else	734	else
904	{
905	LOG (llevError, "update_object called with invalid action: %d\n", action);	735	LOG (llevError, "update_object called with invalid action: %d\n", action);
906	}
907		736
908	if (update_now)
909	{
910	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
911	update_position (op->map, op->x, op->y);
912	}
913
914	if (op->more != NULL)	737	if (op->more)
915	update_object (op->more, action);	738	update_object (op->more, action);
916	}
917
918	static unordered_vector<object *> mortals;
919	static std::vector<object *> freed;
920
921	void object::free_mortals ()
922	{
923	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end (); )
924	if (!(*i)->refcount)
925	{
926	freed.push_back (*i);
927	mortals.erase (i);
928	}
929	else
930	++i;
931	}	739	}
932		740
933	object::object ()	741	object::object ()
934	{	742	{
935	SET_FLAG (this, FLAG_REMOVED);	743	SET_FLAG (this, FLAG_REMOVED);
936		744
937	expmul = 1.0;	745	expmul = 1.0;
938	face = blank_face;	746	face = blank_face;
939	attacked_by_count = -1;
940	}	747	}
941		748
942	object::~object ()	749	object::~object ()
943	{	750	{
		751	unlink ();
		752
944	free_key_values (this);	753	free_key_values (this);
945	}	754	}
946		755
		756	static int object_count;
		757
947	void object::link ()	758	void object::link ()
948	{	759	{
		760	assert (!index);//D
		761	uuid = gen_uuid ();
949	count = ++ob_count;	762	count = ++object_count;
950		763
951	prev = 0;	764	refcnt_inc ();
952	next = objects;	765	objects.insert (this);
953
954	if (objects)
955	objects->prev = this;
956
957	objects = this;
958	}	766	}
959		767
960	void object::unlink ()	768	void object::unlink ()
961	{	769	{
962	count = 0;
963
964	/* Remove this object from the list of used objects */
965	if (prev)
966	{
967	prev->next = next;
968	prev = 0;
969	}
970
971	if (next)	770	if (!index)
972	{	771	return;
973	next->prev = prev;	772
974	next = 0;	773	objects.erase (this);
		774	refcnt_dec ();
		775	}
		776
		777	void
		778	object::activate ()
		779	{
		780	/* If already on active list, don't do anything */
		781	if (active)
		782	return;
		783
		784	if (has_active_speed ())
		785	actives.insert (this);
		786	}
		787
		788	void
		789	object::activate_recursive ()
		790	{
		791	activate ();
		792
		793	for (object *op = inv; op; op = op->below)
		794	op->activate_recursive ();
		795	}
		796
		797	/* This function removes object 'op' from the list of active
		798	* objects.
		799	* This should only be used for style maps or other such
		800	* reference maps where you don't want an object that isn't
		801	* in play chewing up cpu time getting processed.
		802	* The reverse of this is to call update_ob_speed, which
		803	* will do the right thing based on the speed of the object.
		804	*/
		805	void
		806	object::deactivate ()
		807	{
		808	/* If not on the active list, nothing needs to be done */
		809	if (!active)
		810	return;
		811
		812	actives.erase (this);
		813	}
		814
		815	void
		816	object::deactivate_recursive ()
		817	{
		818	for (object *op = inv; op; op = op->below)
		819	op->deactivate_recursive ();
		820
		821	deactivate ();
		822	}
		823
		824	void
		825	object::set_flag_inv (int flag, int value)
		826	{
		827	for (object *op = inv; op; op = op->below)
975	}	828	{
		829	op->flag [flag] = value;
		830	op->set_flag_inv (flag, value);
		831	}
		832	}
976		833
977	if (this == objects)	834	/*
978	objects = next;	835	* Remove and free all objects in the inventory of the given object.
		836	* object.c ?
		837	*/
		838	void
		839	object::destroy_inv (bool drop_to_ground)
		840	{
		841	// need to check first, because the checks below might segfault
		842	// as we might be on an invalid mapspace and crossfire code
		843	// is too buggy to ensure that the inventory is empty.
		844	// corollary: if you create arrows etc. with stuff in tis inventory,
		845	// cf will crash below with off-map x and y
		846	if (!inv)
		847	return;
		848
		849	/* Only if the space blocks everything do we not process -
		850	* if some form of movement is allowed, let objects
		851	* drop on that space.
		852	*/
		853	if (!drop_to_ground
		854	|| !map
		855	|| map->in_memory != MAP_IN_MEMORY
		856	|| map->nodrop
		857	|| ms ().move_block == MOVE_ALL)
		858	{
		859	while (inv)
		860	{
		861	inv->destroy_inv (drop_to_ground);
		862	inv->destroy ();
		863	}
		864	}
		865	else
		866	{ /* Put objects in inventory onto this space */
		867	while (inv)
		868	{
		869	object *op = inv;
		870
		871	if (op->flag [FLAG_STARTEQUIP]
		872	|| op->flag [FLAG_NO_DROP]
		873	|| op->type == RUNE
		874	|| op->type == TRAP
		875	|| op->flag [FLAG_IS_A_TEMPLATE]
		876	|| op->flag [FLAG_DESTROY_ON_DEATH])
		877	op->destroy ();
		878	else
		879	map->insert (op, x, y);
		880	}
		881	}
979	}	882	}
980		883
981	object *object::create ()	884	object *object::create ()
982	{	885	{
983	object *op;
984
985	if (freed.empty ())
986	op = new object;	886	object *op = new object;
987	else
988	{
989	// highly annoying, but the only way to get it stable right now
990	op = freed.back (); freed.pop_back ();
991	op->~object ();
992	new ((void *)op) object;
993	}
994
995	op->link ();	887	op->link ();
996	return op;	888	return op;
997	}	889	}
998		890
999	/*	891	void
1000	* free_object() frees everything allocated by an object, removes	892	object::do_destroy ()
1001	* it from the list of used objects, and puts it on the list of
1002	* free objects. The IS_FREED() flag is set in the object.
1003	* The object must have been removed by remove_ob() first for
1004	* this function to succeed.
1005	*
1006	* If free_inventory is set, free inventory as well. Else drop items in
1007	* inventory to the ground.
1008	*/
1009	void object::free (bool free_inventory)
1010	{	893	{
1011	if (!QUERY_FLAG (this, FLAG_REMOVED))	894	attachable::do_destroy ();
1012	{
1013	LOG (llevDebug, "Free object called with non removed object\n");
1014	dump_object (this);
1015	#ifdef MANY_CORES
1016	abort ();
1017	#endif
1018	}
1019		895
1020	if (QUERY_FLAG (this, FLAG_FRIENDLY))	896	if (flag [FLAG_IS_LINKED])
1021	{	897	remove_button_link (this);
1022	LOG (llevMonster, "Warning: tried to free friendly object.\n");	898
		899	if (flag [FLAG_FRIENDLY])
1023	remove_friendly_object (this);	900	remove_friendly_object (this);
1024	}
1025		901
1026	if (QUERY_FLAG (this, FLAG_FREED))	902	if (!flag [FLAG_REMOVED])
		903	remove ();
		904
		905	destroy_inv (true);
		906
		907	deactivate ();
		908	unlink ();
		909
		910	flag [FLAG_FREED] = 1;
		911
		912	// hack to ensure that freed objects still have a valid map
		913	{
		914	static maptile *freed_map; // freed objects are moved here to avoid crashes
		915
		916	if (!freed_map)
1027	{	917	{
1028	dump_object (this);	918	freed_map = new maptile;
1029	LOG (llevError, "Trying to free freed object.\n%s\n", errmsg);	919
1030	return;	920	freed_map->path = "<freed objects map>";
		921	freed_map->name = "/internal/freed_objects_map";
		922	freed_map->width = 3;
		923	freed_map->height = 3;
		924
		925	freed_map->alloc ();
		926	freed_map->in_memory = MAP_IN_MEMORY;
1031	}	927	}
		928
		929	map = freed_map;
		930	x = 1;
		931	y = 1;
		932	}
1032		933
1033	if (more)	934	if (more)
1034	{	935	{
1035	more->free (free_inventory);	936	more->destroy ();
1036	more = 0;	937	more = 0;
1037	}	938	}
1038		939
1039	if (inv)
1040	{
1041	/* Only if the space blocks everything do we not process -
1042	* if some form of movement is allowed, let objects
1043	* drop on that space.
1044	*/
1045	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || (GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL))
1046	{
1047	object *
1048	op = inv;
1049
1050	while (op)
1051	{
1052	object *
1053	tmp = op->below;
1054
1055	remove_ob (op);
1056	op->free (free_inventory);
1057	op = tmp;
1058	}
1059	}
1060	else
1061	{ /* Put objects in inventory onto this space */
1062	object *
1063	op = inv;
1064
1065	while (op)
1066	{
1067	object *
1068	tmp = op->below;
1069
1070	remove_ob (op);
1071
1072	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1073	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1074	free_object (op);
1075	else
1076	{
1077	op->x = x;
1078	op->y = y;
1079	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
1080	}
1081
1082	op = tmp;
1083	}
1084	}
1085	}
1086
1087	clear_owner (this);
1088
1089	/* Remove object from the active list */
1090	speed = 0;	940	head = 0;
1091	update_ob_speed (this);
1092		941
1093	unlink ();	942	// clear those pointers that likely might cause circular references
		943	owner = 0;
		944	enemy = 0;
		945	attacked_by = 0;
		946	current_weapon = 0;
		947	}
1094		948
1095	SET_FLAG (this, FLAG_FREED);	949	void
		950	object::destroy (bool destroy_inventory)
		951	{
		952	if (destroyed ())
		953	return;
1096		954
1097	mortals.push_back (this);	955	if (destroy_inventory)
		956	destroy_inv (false);
		957
		958	if (is_head ())
		959	if (sound_destroy)
		960	play_sound (sound_destroy);
		961	else if (flag [FLAG_MONSTER])
		962	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
		963
		964	attachable::destroy ();
1098	}	965	}
1099		966
1100	/*	967	/*
1101	* sub_weight() recursively (outwards) subtracts a number from the	968	* sub_weight() recursively (outwards) subtracts a number from the
1102	* weight of an object (and what is carried by it's environment(s)).	969	* weight of an object (and what is carried by it's environment(s)).
1103	*/	970	*/
1104
1105	void	971	void
1106	sub_weight (object *op, signed long weight)	972	sub_weight (object *op, signed long weight)
1107	{	973	{
1108	while (op != NULL)	974	while (op != NULL)
1109	{	975	{
1110	if (op->type == CONTAINER)	976	if (op->type == CONTAINER)
1111	{
1112	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	977	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1113	}	978
1114	op->carrying -= weight;	979	op->carrying -= weight;
1115	op = op->env;	980	op = op->env;
1116	}	981	}
1117	}	982	}
1118		983
1119	/* remove_ob(op):	984	/* op->remove ():
1120	* This function removes the object op from the linked list of objects	985	* This function removes the object op from the linked list of objects
1121	* which it is currently tied to. When this function is done, the	986	* which it is currently tied to. When this function is done, the
1122	* object will have no environment. If the object previously had an	987	* object will have no environment. If the object previously had an
1123	* environment, the x and y coordinates will be updated to	988	* environment, the x and y coordinates will be updated to
1124	* the previous environment.	989	* the previous environment.
1125	* Beware: This function is called from the editor as well!
1126	*/	990	*/
1127
1128	void	991	void
1129	remove_ob (object *op)	992	object::do_remove ()
1130	{	993	{
		994	object *tmp, *last = 0;
1131	object *	995	object *otmp;
1132	tmp, *
1133	last = NULL;
1134	object *
1135	otmp;
1136	tag_t
1137	tag;
1138	int
1139	check_walk_off;
1140	mapstruct *
1141	m;
1142	sint16
1143	x,
1144	y;
1145		996
1146
1147	if (QUERY_FLAG (op, FLAG_REMOVED))	997	if (QUERY_FLAG (this, FLAG_REMOVED))
1148	{	998	return;
1149	dump_object (op);
1150	LOG (llevError, "Trying to remove removed object.\n%s\n", errmsg);
1151		999
1152	/* Changed it to always dump core in this case. As has been learned
1153	* in the past, trying to recover from errors almost always
1154	* make things worse, and this is a real error here - something
1155	* that should not happen.
1156	* Yes, if this was a mission critical app, trying to do something
1157	* to recover may make sense, but that is because failure of the app
1158	* may have other disastrous problems. Cf runs out of a script
1159	* so is easily enough restarted without any real problems.
1160	* MSW 2001-07-01
1161	*/
1162	abort ();
1163	}
1164	if (op->more != NULL)
1165	remove_ob (op->more);
1166
1167	SET_FLAG (op, FLAG_REMOVED);	1000	SET_FLAG (this, FLAG_REMOVED);
		1001	INVOKE_OBJECT (REMOVE, this);
		1002
		1003	if (more)
		1004	more->remove ();
1168		1005
1169	/*	1006	/*
1170	* In this case, the object to be removed is in someones	1007	* In this case, the object to be removed is in someones
1171	* inventory.	1008	* inventory.
1172	*/	1009	*/
1173	if (op->env != NULL)	1010	if (env)
1174	{	1011	{
1175	if (op->nrof)	1012	if (nrof)
1176	sub_weight (op->env, op->weight * op->nrof);	1013	sub_weight (env, weight * nrof);
1177	else	1014	else
1178	sub_weight (op->env, op->weight + op->carrying);	1015	sub_weight (env, weight + carrying);
1179		1016
1180	/* NO_FIX_PLAYER is set when a great many changes are being	1017	/* NO_FIX_PLAYER is set when a great many changes are being
1181	* made to players inventory. If set, avoiding the call	1018	* made to players inventory. If set, avoiding the call
1182	* to save cpu time.	1019	* to save cpu time.
1183	*/	1020	*/
1184	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1021	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1185	fix_player (otmp);	1022	otmp->update_stats ();
1186		1023
1187	if (op->above != NULL)	1024	if (above)
1188	op->above->below = op->below;	1025	above->below = below;
1189	else	1026	else
1190	op->env->inv = op->below;	1027	env->inv = below;
1191		1028
1192	if (op->below != NULL)	1029	if (below)
1193	op->below->above = op->above;	1030	below->above = above;
1194		1031
1195	/* we set up values so that it could be inserted into	1032	/* we set up values so that it could be inserted into
1196	* the map, but we don't actually do that - it is up	1033	* the map, but we don't actually do that - it is up
1197	* to the caller to decide what we want to do.	1034	* to the caller to decide what we want to do.
1198	*/	1035	*/
1199	op->x = op->env->x, op->y = op->env->y;	1036	x = env->x, y = env->y;
1200	op->map = op->env->map;	1037	map = env->map;
1201	op->above = NULL, op->below = NULL;	1038	above = 0, below = 0;
1202	op->env = NULL;	1039	env = 0;
1203	return;
1204	}
1205
1206	/* If we get here, we are removing it from a map */
1207	if (op->map == NULL)
1208	return;
1209
1210	x = op->x;
1211	y = op->y;
1212	m = get_map_from_coord (op->map, &x, &y);
1213
1214	if (!m)
1215	{	1040	}
1216	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",	1041	else if (map)
1217	op->map->path, op->x, op->y);
1218	/* in old days, we used to set x and y to 0 and continue.
1219	* it seems if we get into this case, something is probablye
1220	* screwed up and should be fixed.
1221	*/
1222	abort ();
1223	}	1042	{
1224	if (op->map != m)	1043	if (type == PLAYER)
1225	{	1044	{
1226	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	1045	// leaving a spot always closes any open container on the ground
1227	op->map->path, m->path, op->x, op->y, x, y);	1046	if (container && !container->env)
1228	}	1047	// this causes spurious floorbox updates, but it ensures
		1048	// that the CLOSE event is being sent.
		1049	close_container ();
1229		1050
1230	/* Re did the following section of code - it looks like it had	1051	--map->players;
1231	* lots of logic for things we no longer care about	1052	map->touch ();
1232	*/	1053	}
1233		1054
		1055	map->dirty = true;
		1056	mapspace &ms = this->ms ();
		1057
1234	/* link the object above us */	1058	/* link the object above us */
1235	if (op->above)	1059	if (above)
1236	op->above->below = op->below;	1060	above->below = below;
1237	else	1061	else
1238	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1062	ms.top = below; /* we were top, set new top */
1239		1063
1240	/* Relink the object below us, if there is one */	1064	/* Relink the object below us, if there is one */
1241	if (op->below)	1065	if (below)
1242	{
1243	op->below->above = op->above;	1066	below->above = above;
1244	}
1245	else	1067	else
1246	{	1068	{
1247	/* Nothing below, which means we need to relink map object for this space	1069	/* Nothing below, which means we need to relink map object for this space
1248	* use translated coordinates in case some oddness with map tiling is	1070	* use translated coordinates in case some oddness with map tiling is
1249	* evident	1071	* evident
1250	*/
1251	if (GET_MAP_OB (m, x, y) != op)
1252	{
1253	dump_object (op);
1254	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",
1255	errmsg);
1256	dump_object (GET_MAP_OB (m, x, y));
1257	LOG (llevError, "%s\n", errmsg);
1258	}
1259	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1260	}
1261	op->above = NULL;
1262	op->below = NULL;
1263
1264	if (op->map->in_memory == MAP_SAVING)
1265	return;
1266
1267	tag = op->count;
1268	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1269	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1270	{
1271	/* No point updating the players look faces if he is the object
1272	* being removed.
1273	*/
1274
1275	if (tmp->type == PLAYER && tmp != op)
1276	{
1277	/* If a container that the player is currently using somehow gets
1278	* removed (most likely destroyed), update the player view
1279	* appropriately.
1280	*/	1072	*/
		1073	if (GET_MAP_OB (map, x, y) != this)
		1074	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 ());
		1075
		1076	ms.bot = above; /* goes on above it. */
		1077	}
		1078
		1079	above = 0;
		1080	below = 0;
		1081
		1082	if (map->in_memory == MAP_SAVING)
		1083	return;
		1084
		1085	int check_walk_off = !flag [FLAG_NO_APPLY];
		1086
		1087	if (object *pl = ms.player ())
		1088	{
1281	if (tmp->container == op)	1089	if (pl->container == this)
		1090	/* If a container that the player is currently using somehow gets
		1091	* removed (most likely destroyed), update the player view
		1092	* appropriately.
		1093	*/
		1094	pl->close_container ();
		1095
		1096	pl->contr->ns->floorbox_update ();
		1097	}
		1098
		1099	for (tmp = ms.bot; tmp; tmp = tmp->above)
		1100	{
		1101	/* No point updating the players look faces if he is the object
		1102	* being removed.
		1103	*/
		1104
		1105	/* See if object moving off should effect something */
		1106	if (check_walk_off
		1107	&& ((move_type & tmp->move_off)
		1108	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1282	{	1109	{
1283	CLEAR_FLAG (op, FLAG_APPLIED);	1110	move_apply (tmp, this, 0);
1284	tmp->container = NULL;	1111
		1112	if (destroyed ())
		1113	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1285	}	1114	}
1286	tmp->contr->socket.update_look = 1;
1287	}
1288	/* See if player moving off should effect something */
1289	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1290	{
1291		1115
1292	move_apply (tmp, op, NULL);
1293	if (was_destroyed (op, tag))
1294	{
1295	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);
1296	}
1297	}
1298
1299	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1300
1301	if (tmp->above == tmp)
1302	tmp->above = NULL;
1303	last = tmp;	1116	last = tmp;
1304	}	1117	}
		1118
1305	/* last == NULL of there are no objects on this space */	1119	/* last == NULL if there are no objects on this space */
1306	if (last == NULL)	1120	//TODO: this makes little sense, why only update the topmost object?
1307	{	1121	if (!last)
1308	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,	1122	map->at (x, y).flags_ = 0;
1309	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1310	* those out anyways, and if there are any flags set right now, they won't
1311	* be correct anyways.
1312	*/
1313	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1314	update_position (op->map, op->x, op->y);
1315	}
1316	else	1123	else
1317	update_object (last, UP_OBJ_REMOVE);	1124	update_object (last, UP_OBJ_REMOVE);
1318		1125
1319	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1126	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1320	update_all_los (op->map, op->x, op->y);	1127	update_all_los (map, x, y);
1321		1128	}
1322	}	1129	}
1323		1130
1324	/*	1131	/*
1325	* merge_ob(op,top):	1132	* merge_ob(op,top):
1326	*	1133	*
1327	* This function goes through all objects below and including top, and	1134	* This function goes through all objects below and including top, and
1328	* merges op to the first matching object.	1135	* merges op to the first matching object.
1329	* If top is NULL, it is calculated.	1136	* If top is NULL, it is calculated.
1330	* Returns pointer to object if it succeded in the merge, otherwise NULL	1137	* Returns pointer to object if it succeded in the merge, otherwise NULL
1331	*/	1138	*/
1332
1333	object *	1139	object *
1334	merge_ob (object *op, object *top)	1140	merge_ob (object *op, object *top)
1335	{	1141	{
1336	if (!op->nrof)	1142	if (!op->nrof)
1337	return 0;	1143	return 0;
1338	if (top == NULL)	1144
		1145	if (top)
1339	for (top = op; top != NULL && top->above != NULL; top = top->above);	1146	for (top = op; top && top->above; top = top->above)
		1147	;
		1148
1340	for (; top != NULL; top = top->below)	1149	for (; top; top = top->below)
1341	{	1150	{
1342	if (top == op)	1151	if (top == op)
1343	continue;	1152	continue;
1344	if (CAN_MERGE (op, top))	1153
		1154	if (object::can_merge (op, top))
1345	{	1155	{
1346	top->nrof += op->nrof;	1156	top->nrof += op->nrof;
1347		1157
1348	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1158	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1349	op->weight = 0; /* Don't want any adjustements now */	1159	op->weight = 0; /* Don't want any adjustements now */
1350	remove_ob (op);	1160	op->destroy ();
1351	free_object (op);
1352	return top;	1161	return top;
1353	}	1162	}
1354	}	1163	}
		1164
1355	return NULL;	1165	return 0;
1356	}	1166	}
1357		1167
		1168	void
		1169	object::expand_tail ()
		1170	{
		1171	if (more)
		1172	return;
		1173
		1174	object *prev = this;
		1175
		1176	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1177	{
		1178	object *op = arch_to_object (at);
		1179
		1180	op->name = name;
		1181	op->name_pl = name_pl;
		1182	op->title = title;
		1183
		1184	op->head = this;
		1185	prev->more = op;
		1186
		1187	prev = op;
		1188	}
		1189	}
		1190
1358	/*	1191	/*
1359	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1192	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1360	* job preparing multi-part monsters	1193	* job preparing multi-part monsters.
1361	*/	1194	*/
1362	object *	1195	object *
1363	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1196	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1364	{	1197	{
1365	object *
1366	tmp;
1367
1368	if (op->head)
1369	op = op->head;
1370	for (tmp = op; tmp; tmp = tmp->more)	1198	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1371	{	1199	{
1372	tmp->x = x + tmp->arch->clone.x;	1200	tmp->x = x + tmp->arch->x;
1373	tmp->y = y + tmp->arch->clone.y;	1201	tmp->y = y + tmp->arch->y;
1374	}	1202	}
		1203
1375	return insert_ob_in_map (op, m, originator, flag);	1204	return insert_ob_in_map (op, m, originator, flag);
1376	}	1205	}
1377		1206
1378	/*	1207	/*
1379	* insert_ob_in_map (op, map, originator, flag):	1208	* insert_ob_in_map (op, map, originator, flag):
…		…
1393	* Return value:	1222	* Return value:
1394	* new object if 'op' was merged with other object	1223	* new object if 'op' was merged with other object
1395	* NULL if 'op' was destroyed	1224	* NULL if 'op' was destroyed
1396	* just 'op' otherwise	1225	* just 'op' otherwise
1397	*/	1226	*/
1398
1399	object *	1227	object *
1400	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1228	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1401	{	1229	{
		1230	assert (!op->flag [FLAG_FREED]);
		1231
1402	object *tmp, *top, *floor = NULL;	1232	object *top, *floor = NULL;
1403	sint16 x, y;
1404		1233
1405	if (QUERY_FLAG (op, FLAG_FREED))	1234	op->remove ();
1406	{
1407	LOG (llevError, "Trying to insert freed object!\n");
1408	return NULL;
1409	}
1410
1411	if (m == NULL)
1412	{
1413	dump_object (op);
1414	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);
1415	return op;
1416	}
1417
1418	if (out_of_map (m, op->x, op->y))
1419	{
1420	dump_object (op);
1421	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);
1422	#ifdef MANY_CORES
1423	/* Better to catch this here, as otherwise the next use of this object
1424	* is likely to cause a crash. Better to find out where it is getting
1425	* improperly inserted.
1426	*/
1427	abort ();
1428	#endif
1429	return op;
1430	}
1431
1432	if (!QUERY_FLAG (op, FLAG_REMOVED))
1433	{
1434	dump_object (op);
1435	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1436	return op;
1437	}
1438
1439	if (op->more != NULL)
1440	{
1441	/* The part may be on a different map. */
1442
1443	object *
1444	more = op->more;
1445
1446	/* We really need the caller to normalize coordinates - if
1447	* we set the map, that doesn't work if the location is within
1448	* a map and this is straddling an edge. So only if coordinate
1449	* is clear wrong do we normalize it.
1450	*/
1451	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1452	{
1453	more->map = get_map_from_coord (m, &more->x, &more->y);
1454	}
1455	else if (!more->map)
1456	{
1457	/* For backwards compatibility - when not dealing with tiled maps,
1458	* more->map should always point to the parent.
1459	*/
1460	more->map = m;
1461	}
1462
1463	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1464	{
1465	if (!op->head)
1466	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1467	return NULL;
1468	}
1469	}
1470
1471	CLEAR_FLAG (op, FLAG_REMOVED);
1472		1235
1473	/* Ideally, the caller figures this out. However, it complicates a lot	1236	/* Ideally, the caller figures this out. However, it complicates a lot
1474	* of areas of callers (eg, anything that uses find_free_spot would now	1237	* of areas of callers (eg, anything that uses find_free_spot would now
1475	* need extra work	1238	* need extra work
1476	*/	1239	*/
1477	op->map = get_map_from_coord (m, &op->x, &op->y);	1240	if (!xy_normalise (m, op->x, op->y))
1478	x = op->x;	1241	{
1479	y = op->y;	1242	op->destroy ();
		1243	return 0;
		1244	}
		1245
		1246	if (object *more = op->more)
		1247	if (!insert_ob_in_map (more, m, originator, flag))
		1248	return 0;
		1249
		1250	CLEAR_FLAG (op, FLAG_REMOVED);
		1251
		1252	op->map = m;
		1253	mapspace &ms = op->ms ();
1480		1254
1481	/* this has to be done after we translate the coordinates.	1255	/* this has to be done after we translate the coordinates.
1482	*/	1256	*/
1483	if (op->nrof && !(flag & INS_NO_MERGE))	1257	if (op->nrof && !(flag & INS_NO_MERGE))
1484	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1258	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1485	if (CAN_MERGE (op, tmp))	1259	if (object::can_merge (op, tmp))
1486	{	1260	{
1487	op->nrof += tmp->nrof;	1261	op->nrof += tmp->nrof;
1488	remove_ob (tmp);	1262	tmp->destroy ();
1489	free_object (tmp);
1490	}	1263	}
1491		1264
1492	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1265	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1493	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1266	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1494		1267
…		…
1507	op->below = originator->below;	1280	op->below = originator->below;
1508		1281
1509	if (op->below)	1282	if (op->below)
1510	op->below->above = op;	1283	op->below->above = op;
1511	else	1284	else
1512	SET_MAP_OB (op->map, op->x, op->y, op);	1285	ms.bot = op;
1513		1286
1514	/* since *below* originator, no need to update top */	1287	/* since *below* originator, no need to update top */
1515	originator->below = op;	1288	originator->below = op;
1516	}	1289	}
1517	else	1290	else
1518	{	1291	{
		1292	top = ms.bot;
		1293
1519	/* If there are other objects, then */	1294	/* If there are other objects, then */
1520	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1295	if ((!(flag & INS_MAP_LOAD)) && top)
1521	{	1296	{
1522	object *last = NULL;	1297	object *last = 0;
1523		1298
1524	/*	1299	/*
1525	* If there are multiple objects on this space, we do some trickier handling.	1300	* If there are multiple objects on this space, we do some trickier handling.
1526	* We've already dealt with merging if appropriate.	1301	* We've already dealt with merging if appropriate.
1527	* Generally, we want to put the new object on top. But if	1302	* Generally, we want to put the new object on top. But if
…		…
1531	* once we get to them. This reduces the need to traverse over all of	1306	* once we get to them. This reduces the need to traverse over all of
1532	* them when adding another one - this saves quite a bit of cpu time	1307	* them when adding another one - this saves quite a bit of cpu time
1533	* when lots of spells are cast in one area. Currently, it is presumed	1308	* when lots of spells are cast in one area. Currently, it is presumed
1534	* that flying non pickable objects are spell objects.	1309	* that flying non pickable objects are spell objects.
1535	*/	1310	*/
1536		1311	for (top = ms.bot; top; top = top->above)
1537	while (top != NULL)
1538	{	1312	{
1539	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1313	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1540	floor = top;	1314	floor = top;
		1315
1541	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1316	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
1542	{	1317	{
1543	/* We insert above top, so we want this object below this */	1318	/* We insert above top, so we want this object below this */
1544	top = top->below;	1319	top = top->below;
1545	break;	1320	break;
1546	}	1321	}
		1322
1547	last = top;	1323	last = top;
1548	top = top->above;
1549	}	1324	}
		1325
1550	/* Don't want top to be NULL, so set it to the last valid object */	1326	/* Don't want top to be NULL, so set it to the last valid object */
1551	top = last;	1327	top = last;
1552		1328
1553	/* We let update_position deal with figuring out what the space	1329	/* We let update_position deal with figuring out what the space
1554	* looks like instead of lots of conditions here.	1330	* looks like instead of lots of conditions here.
1555	* makes things faster, and effectively the same result.	1331	* makes things faster, and effectively the same result.
1556	*/	1332	*/
1557		1333
1558	/* Have object 'fall below' other objects that block view.	1334	/* Have object 'fall below' other objects that block view.
1559	* Unless those objects are exits, type 66	1335	* Unless those objects are exits.
1560	* If INS_ON_TOP is used, don't do this processing	1336	* If INS_ON_TOP is used, don't do this processing
1561	* Need to find the object that in fact blocks view, otherwise	1337	* Need to find the object that in fact blocks view, otherwise
1562	* stacking is a bit odd.	1338	* stacking is a bit odd.
1563	*/	1339	*/
1564	if (!(flag & INS_ON_TOP) &&	1340	if (!(flag & INS_ON_TOP)
1565	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1341	&& ms.flags () & P_BLOCKSVIEW
		1342	&& (op->face && !faces [op->face].visibility))
1566	{	1343	{
1567	for (last = top; last != floor; last = last->below)	1344	for (last = top; last != floor; last = last->below)
1568	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1345	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1569	break;	1346	break;
		1347
1570	/* Check to see if we found the object that blocks view,	1348	/* Check to see if we found the object that blocks view,
1571	* and make sure we have a below pointer for it so that	1349	* and make sure we have a below pointer for it so that
1572	* we can get inserted below this one, which requires we	1350	* we can get inserted below this one, which requires we
1573	* set top to the object below us.	1351	* set top to the object below us.
1574	*/	1352	*/
1575	if (last && last->below && last != floor)	1353	if (last && last->below && last != floor)
1576	top = last->below;	1354	top = last->below;
1577	}	1355	}
1578	} /* If objects on this space */	1356	} /* If objects on this space */
1579
1580	if (flag & INS_MAP_LOAD)	1357	if (flag & INS_MAP_LOAD)
1581	top = GET_MAP_TOP (op->map, op->x, op->y);	1358	top = ms.top;
1582		1359
1583	if (flag & INS_ABOVE_FLOOR_ONLY)	1360	if (flag & INS_ABOVE_FLOOR_ONLY)
1584	top = floor;	1361	top = floor;
1585		1362
1586	/* Top is the object that our object (op) is going to get inserted above.	1363	/* Top is the object that our object (op) is going to get inserted above.
1587	*/	1364	*/
1588		1365
1589	/* First object on this space */	1366	/* First object on this space */
1590	if (!top)	1367	if (!top)
1591	{	1368	{
1592	op->above = GET_MAP_OB (op->map, op->x, op->y);	1369	op->above = ms.bot;
1593		1370
1594	if (op->above)	1371	if (op->above)
1595	op->above->below = op;	1372	op->above->below = op;
1596		1373
1597	op->below = NULL;	1374	op->below = 0;
1598	SET_MAP_OB (op->map, op->x, op->y, op);	1375	ms.bot = op;
1599	}	1376	}
1600	else	1377	else
1601	{ /* get inserted into the stack above top */	1378	{ /* get inserted into the stack above top */
1602	op->above = top->above;	1379	op->above = top->above;
1603		1380
…		…
1606		1383
1607	op->below = top;	1384	op->below = top;
1608	top->above = op;	1385	top->above = op;
1609	}	1386	}
1610		1387
1611	if (op->above == NULL)	1388	if (!op->above)
1612	SET_MAP_TOP (op->map, op->x, op->y, op);	1389	ms.top = op;
1613	} /* else not INS_BELOW_ORIGINATOR */	1390	} /* else not INS_BELOW_ORIGINATOR */
1614		1391
1615	if (op->type == PLAYER)	1392	if (op->type == PLAYER)
		1393	{
1616	op->contr->do_los = 1;	1394	op->contr->do_los = 1;
		1395	++op->map->players;
		1396	op->map->touch ();
		1397	}
1617		1398
1618	/* If we have a floor, we know the player, if any, will be above	1399	op->map->dirty = true;
1619	* it, so save a few ticks and start from there.	1400
1620	*/
1621	if (!(flag & INS_MAP_LOAD))	1401	if (!(flag & INS_MAP_LOAD))
1622	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1402	if (object *pl = ms.player ())
1623	if (tmp->type == PLAYER)	1403	pl->contr->ns->floorbox_update ();
1624	tmp->contr->socket.update_look = 1;
1625		1404
1626	/* If this object glows, it may affect lighting conditions that are	1405	/* If this object glows, it may affect lighting conditions that are
1627	* visible to others on this map. But update_all_los is really	1406	* visible to others on this map. But update_all_los is really
1628	* an inefficient way to do this, as it means los for all players	1407	* an inefficient way to do this, as it means los for all players
1629	* on the map will get recalculated. The players could very well	1408	* on the map will get recalculated. The players could very well
1630	* be far away from this change and not affected in any way -	1409	* be far away from this change and not affected in any way -
1631	* this should get redone to only look for players within range,	1410	* this should get redone to only look for players within range,
1632	* or just updating the P_NEED_UPDATE for spaces within this area	1411	* or just updating the P_UPTODATE for spaces within this area
1633	* of effect may be sufficient.	1412	* of effect may be sufficient.
1634	*/	1413	*/
1635	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1414	if (op->map->darkness && (op->glow_radius != 0))
1636	update_all_los (op->map, op->x, op->y);	1415	update_all_los (op->map, op->x, op->y);
1637
1638		1416
1639	/* updates flags (blocked, alive, no magic, etc) for this map space */	1417	/* updates flags (blocked, alive, no magic, etc) for this map space */
1640	update_object (op, UP_OBJ_INSERT);	1418	update_object (op, UP_OBJ_INSERT);
1641		1419
		1420	INVOKE_OBJECT (INSERT, op);
1642		1421
1643	/* Don't know if moving this to the end will break anything. However,	1422	/* Don't know if moving this to the end will break anything. However,
1644	* we want to have update_look set above before calling this.	1423	* we want to have floorbox_update called before calling this.
1645	*	1424	*
1646	* check_move_on() must be after this because code called from	1425	* check_move_on() must be after this because code called from
1647	* check_move_on() depends on correct map flags (so functions like	1426	* check_move_on() depends on correct map flags (so functions like
1648	* blocked() and wall() work properly), and these flags are updated by	1427	* blocked() and wall() work properly), and these flags are updated by
1649	* update_object().	1428	* update_object().
1650	*/	1429	*/
1651		1430
1652	/* if this is not the head or flag has been passed, don't check walk on status */	1431	/* if this is not the head or flag has been passed, don't check walk on status */
1653	if (!(flag & INS_NO_WALK_ON) && !op->head)	1432	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1654	{	1433	{
1655	if (check_move_on (op, originator))	1434	if (check_move_on (op, originator))
1656	return NULL;	1435	return 0;
1657		1436
1658	/* If we are a multi part object, lets work our way through the check	1437	/* If we are a multi part object, lets work our way through the check
1659	* walk on's.	1438	* walk on's.
1660	*/	1439	*/
1661	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1440	for (object *tmp = op->more; tmp; tmp = tmp->more)
1662	if (check_move_on (tmp, originator))	1441	if (check_move_on (tmp, originator))
1663	return NULL;	1442	return 0;
1664	}	1443	}
1665		1444
1666	return op;	1445	return op;
1667	}	1446	}
1668		1447
1669	/* this function inserts an object in the map, but if it	1448	/* this function inserts an object in the map, but if it
1670	* finds an object of its own type, it'll remove that one first.	1449	* finds an object of its own type, it'll remove that one first.
1671	* op is the object to insert it under: supplies x and the map.	1450	* op is the object to insert it under: supplies x and the map.
1672	*/	1451	*/
1673	void	1452	void
1674	replace_insert_ob_in_map (const char *arch_string, object *op)	1453	replace_insert_ob_in_map (const char *arch_string, object *op)
1675	{	1454	{
1676	object *tmp;
1677	object *tmp1;	1455	object *tmp, *tmp1;
1678		1456
1679	/* first search for itself and remove any old instances */	1457	/* first search for itself and remove any old instances */
1680		1458
1681	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1459	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1682	{
1683	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1460	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1684	{	1461	tmp->destroy ();
1685	remove_ob (tmp);
1686	free_object (tmp);
1687	}
1688	}
1689		1462
1690	tmp1 = arch_to_object (find_archetype (arch_string));	1463	tmp1 = arch_to_object (archetype::find (arch_string));
1691		1464
1692	tmp1->x = op->x;	1465	tmp1->x = op->x;
1693	tmp1->y = op->y;	1466	tmp1->y = op->y;
1694	insert_ob_in_map (tmp1, op->map, op, 0);	1467	insert_ob_in_map (tmp1, op->map, op, 0);
		1468	}
		1469
		1470	object *
		1471	object::insert_at (object *where, object *originator, int flags)
		1472	{
		1473	return where->map->insert (this, where->x, where->y, originator, flags);
1695	}	1474	}
1696		1475
1697	/*	1476	/*
1698	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1477	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1699	* is returned contains nr objects, and the remaining parts contains	1478	* is returned contains nr objects, and the remaining parts contains
1700	* the rest (or is removed and freed if that number is 0).	1479	* the rest (or is removed and freed if that number is 0).
1701	* On failure, NULL is returned, and the reason put into the	1480	* On failure, NULL is returned, and the reason put into the
1702	* global static errmsg array.	1481	* global static errmsg array.
1703	*/	1482	*/
1704
1705	object *	1483	object *
1706	get_split_ob (object *orig_ob, uint32 nr)	1484	get_split_ob (object *orig_ob, uint32 nr)
1707	{	1485	{
1708	object *	1486	object *newob;
1709	newob;
1710	int
1711	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1487	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1712		1488
1713	if (orig_ob->nrof < nr)	1489	if (orig_ob->nrof < nr)
1714	{	1490	{
1715	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1491	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1716	return NULL;	1492	return NULL;
1717	}	1493	}
		1494
1718	newob = object_create_clone (orig_ob);	1495	newob = object_create_clone (orig_ob);
		1496
1719	if ((orig_ob->nrof -= nr) < 1)	1497	if ((orig_ob->nrof -= nr) < 1)
1720	{	1498	orig_ob->destroy (1);
1721	if (!is_removed)
1722	remove_ob (orig_ob);
1723	free_object2 (orig_ob, 1);
1724	}
1725	else if (!is_removed)	1499	else if (!is_removed)
1726	{	1500	{
1727	if (orig_ob->env != NULL)	1501	if (orig_ob->env != NULL)
1728	sub_weight (orig_ob->env, orig_ob->weight * nr);	1502	sub_weight (orig_ob->env, orig_ob->weight * nr);
1729	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1503	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1731	strcpy (errmsg, "Tried to split object whose map is not in memory.");	1505	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1732	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");	1506	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1733	return NULL;	1507	return NULL;
1734	}	1508	}
1735	}	1509	}
		1510
1736	newob->nrof = nr;	1511	newob->nrof = nr;
1737		1512
1738	return newob;	1513	return newob;
1739	}	1514	}
1740		1515
…		…
1743	* the amount of an object. If the amount reaches 0, the object	1518	* the amount of an object. If the amount reaches 0, the object
1744	* is subsequently removed and freed.	1519	* is subsequently removed and freed.
1745	*	1520	*
1746	* Return value: 'op' if something is left, NULL if the amount reached 0	1521	* Return value: 'op' if something is left, NULL if the amount reached 0
1747	*/	1522	*/
1748
1749	object *	1523	object *
1750	decrease_ob_nr (object *op, uint32 i)	1524	decrease_ob_nr (object *op, uint32 i)
1751	{	1525	{
1752	object *	1526	object *tmp;
1753	tmp;
1754	player *
1755	pl;
1756		1527
1757	if (i == 0) /* objects with op->nrof require this check */	1528	if (i == 0) /* objects with op->nrof require this check */
1758	return op;	1529	return op;
1759		1530
1760	if (i > op->nrof)	1531	if (i > op->nrof)
1761	i = op->nrof;	1532	i = op->nrof;
1762		1533
1763	if (QUERY_FLAG (op, FLAG_REMOVED))	1534	if (QUERY_FLAG (op, FLAG_REMOVED))
1764	{
1765	op->nrof -= i;	1535	op->nrof -= i;
1766	}
1767	else if (op->env != NULL)	1536	else if (op->env)
1768	{	1537	{
1769	/* is this object in the players inventory, or sub container	1538	/* is this object in the players inventory, or sub container
1770	* therein?	1539	* therein?
1771	*/	1540	*/
1772	tmp = is_player_inv (op->env);	1541	tmp = op->in_player ();
1773	/* nope. Is this a container the player has opened?	1542	/* nope. Is this a container the player has opened?
1774	* If so, set tmp to that player.	1543	* If so, set tmp to that player.
1775	* IMO, searching through all the players will mostly	1544	* IMO, searching through all the players will mostly
1776	* likely be quicker than following op->env to the map,	1545	* likely be quicker than following op->env to the map,
1777	* and then searching the map for a player.	1546	* and then searching the map for a player.
1778	*/	1547	*/
1779	if (!tmp)	1548	if (!tmp)
1780	{	1549	for_all_players (pl)
1781	for (pl = first_player; pl; pl = pl->next)
1782	if (pl->ob->container == op->env)	1550	if (pl->ob->container == op->env)
		1551	{
		1552	tmp = pl->ob;
1783	break;	1553	break;
1784	if (pl)
1785	tmp = pl->ob;
1786	else
1787	tmp = NULL;
1788	}	1554	}
1789		1555
1790	if (i < op->nrof)	1556	if (i < op->nrof)
1791	{	1557	{
1792	sub_weight (op->env, op->weight * i);	1558	sub_weight (op->env, op->weight * i);
1793	op->nrof -= i;	1559	op->nrof -= i;
1794	if (tmp)	1560	if (tmp)
1795	{
1796	esrv_send_item (tmp, op);	1561	esrv_send_item (tmp, op);
1797	}
1798	}	1562	}
1799	else	1563	else
1800	{	1564	{
1801	remove_ob (op);	1565	op->remove ();
1802	op->nrof = 0;	1566	op->nrof = 0;
1803	if (tmp)	1567	if (tmp)
1804	{
1805	esrv_del_item (tmp->contr, op->count);	1568	esrv_del_item (tmp->contr, op->count);
1806	}
1807	}	1569	}
1808	}	1570	}
1809	else	1571	else
1810	{	1572	{
1811	object *
1812	above = op->above;	1573	object *above = op->above;
1813		1574
1814	if (i < op->nrof)	1575	if (i < op->nrof)
1815	{
1816	op->nrof -= i;	1576	op->nrof -= i;
1817	}
1818	else	1577	else
1819	{	1578	{
1820	remove_ob (op);	1579	op->remove ();
1821	op->nrof = 0;	1580	op->nrof = 0;
1822	}	1581	}
		1582
1823	/* Since we just removed op, op->above is null */	1583	/* Since we just removed op, op->above is null */
1824	for (tmp = above; tmp != NULL; tmp = tmp->above)	1584	for (tmp = above; tmp; tmp = tmp->above)
1825	if (tmp->type == PLAYER)	1585	if (tmp->type == PLAYER)
1826	{	1586	{
1827	if (op->nrof)	1587	if (op->nrof)
1828	esrv_send_item (tmp, op);	1588	esrv_send_item (tmp, op);
1829	else	1589	else
1830	esrv_del_item (tmp->contr, op->count);	1590	esrv_del_item (tmp->contr, op->count);
1831	}	1591	}
1832	}	1592	}
1833		1593
1834	if (op->nrof)	1594	if (op->nrof)
1835	{
1836	return op;	1595	return op;
1837	}
1838	else	1596	else
1839	{	1597	{
1840	free_object (op);	1598	op->destroy ();
1841	return NULL;	1599	return 0;
1842	}	1600	}
1843	}	1601	}
1844		1602
1845	/*	1603	/*
1846	* add_weight(object, weight) adds the specified weight to an object,	1604	* add_weight(object, weight) adds the specified weight to an object,
1847	* and also updates how much the environment(s) is/are carrying.	1605	* and also updates how much the environment(s) is/are carrying.
1848	*/	1606	*/
1849
1850	void	1607	void
1851	add_weight (object *op, signed long weight)	1608	add_weight (object *op, signed long weight)
1852	{	1609	{
1853	while (op != NULL)	1610	while (op != NULL)
1854	{	1611	{
1855	if (op->type == CONTAINER)	1612	if (op->type == CONTAINER)
1856	{
1857	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	1613	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1858	}	1614
1859	op->carrying += weight;	1615	op->carrying += weight;
1860	op = op->env;	1616	op = op->env;
1861	}	1617	}
1862	}	1618	}
1863		1619
		1620	object *
		1621	insert_ob_in_ob (object *op, object *where)
		1622	{
		1623	if (!where)
		1624	{
		1625	char *dump = dump_object (op);
		1626	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1627	free (dump);
		1628	return op;
		1629	}
		1630
		1631	if (where->head_ () != where)
		1632	{
		1633	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1634	where = where->head;
		1635	}
		1636
		1637	return where->insert (op);
		1638	}
		1639
1864	/*	1640	/*
1865	* insert_ob_in_ob(op,environment):	1641	* env->insert (op)
1866	* This function inserts the object op in the linked list	1642	* This function inserts the object op in the linked list
1867	* inside the object environment.	1643	* inside the object environment.
1868	*	1644	*
1869	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1870	* the inventory at the last position or next to other objects of the same
1871	* type.
1872	* Frank: Now sorted by type, archetype and magic!
1873	*
1874	* The function returns now pointer to inserted item, and return value can	1645	* The function returns now pointer to inserted item, and return value can
1875	* be != op, if items are merged. -Tero	1646	* be != op, if items are merged. -Tero
1876	*/	1647	*/
1877
1878	object *	1648	object *
1879	insert_ob_in_ob (object *op, object *where)	1649	object::insert (object *op)
1880	{	1650	{
1881	object *
1882	tmp, *
1883	otmp;
1884
1885	if (!QUERY_FLAG (op, FLAG_REMOVED))	1651	if (!QUERY_FLAG (op, FLAG_REMOVED))
1886	{	1652	op->remove ();
1887	dump_object (op);	1653
1888	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1889	return op;
1890	}
1891	if (where == NULL)
1892	{
1893	dump_object (op);
1894	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1895	return op;
1896	}
1897	if (where->head)
1898	{
1899	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1900	where = where->head;
1901	}
1902	if (op->more)	1654	if (op->more)
1903	{	1655	{
1904	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1656	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1905	return op;	1657	return op;
1906	}	1658	}
		1659
1907	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1660	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1908	CLEAR_FLAG (op, FLAG_REMOVED);	1661	CLEAR_FLAG (op, FLAG_REMOVED);
		1662
1909	if (op->nrof)	1663	if (op->nrof)
1910	{	1664	{
1911	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1665	for (object *tmp = inv; tmp; tmp = tmp->below)
1912	if (CAN_MERGE (tmp, op))	1666	if (object::can_merge (tmp, op))
1913	{	1667	{
1914	/* return the original object and remove inserted object	1668	/* return the original object and remove inserted object
1915	(client needs the original object) */	1669	(client needs the original object) */
1916	tmp->nrof += op->nrof;	1670	tmp->nrof += op->nrof;
1917	/* Weight handling gets pretty funky. Since we are adding to	1671	/* Weight handling gets pretty funky. Since we are adding to
1918	* tmp->nrof, we need to increase the weight.	1672	* tmp->nrof, we need to increase the weight.
1919	*/	1673	*/
1920	add_weight (where, op->weight * op->nrof);	1674	add_weight (this, op->weight * op->nrof);
1921	SET_FLAG (op, FLAG_REMOVED);	1675	SET_FLAG (op, FLAG_REMOVED);
1922	free_object (op); /* free the inserted object */	1676	op->destroy (); /* free the inserted object */
1923	op = tmp;	1677	op = tmp;
1924	remove_ob (op); /* and fix old object's links */	1678	op->remove (); /* and fix old object's links */
1925	CLEAR_FLAG (op, FLAG_REMOVED);	1679	CLEAR_FLAG (op, FLAG_REMOVED);
1926	break;	1680	break;
1927	}	1681	}
1928		1682
1929	/* I assume combined objects have no inventory	1683	/* I assume combined objects have no inventory
1930	* We add the weight - this object could have just been removed	1684	* We add the weight - this object could have just been removed
1931	* (if it was possible to merge). calling remove_ob will subtract	1685	* (if it was possible to merge). calling remove_ob will subtract
1932	* the weight, so we need to add it in again, since we actually do	1686	* the weight, so we need to add it in again, since we actually do
1933	* the linking below	1687	* the linking below
1934	*/	1688	*/
1935	add_weight (where, op->weight * op->nrof);	1689	add_weight (this, op->weight * op->nrof);
1936	}	1690	}
1937	else	1691	else
1938	add_weight (where, (op->weight + op->carrying));	1692	add_weight (this, (op->weight + op->carrying));
1939		1693
1940	otmp = is_player_inv (where);	1694	if (object *otmp = this->in_player ())
1941	if (otmp && otmp->contr != NULL)
1942	{
1943	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1695	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1944	fix_player (otmp);	1696	otmp->update_stats ();
1945	}
1946		1697
		1698	op->owner = 0; // its his/hers now. period.
1947	op->map = NULL;	1699	op->map = 0;
1948	op->env = where;	1700	op->env = this;
1949	op->above = NULL;	1701	op->above = 0;
1950	op->below = NULL;	1702	op->below = 0;
1951	op->x = 0, op->y = 0;	1703	op->x = op->y = 0;
1952		1704
1953	/* reset the light list and los of the players on the map */	1705	/* reset the light list and los of the players on the map */
1954	if ((op->glow_radius != 0) && where->map)	1706	if (op->glow_radius && map)
1955	{	1707	{
1956	#ifdef DEBUG_LIGHTS	1708	#ifdef DEBUG_LIGHTS
1957	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1709	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1958	#endif /* DEBUG_LIGHTS */	1710	#endif /* DEBUG_LIGHTS */
1959	if (MAP_DARKNESS (where->map))	1711	if (map->darkness)
1960	update_all_los (where->map, where->x, where->y);	1712	update_all_los (map, x, y);
1961	}	1713	}
1962		1714
1963	/* Client has no idea of ordering so lets not bother ordering it here.	1715	/* Client has no idea of ordering so lets not bother ordering it here.
1964	* It sure simplifies this function...	1716	* It sure simplifies this function...
1965	*/	1717	*/
1966	if (where->inv == NULL)	1718	if (!inv)
1967	where->inv = op;	1719	inv = op;
1968	else	1720	else
1969	{	1721	{
1970	op->below = where->inv;	1722	op->below = inv;
1971	op->below->above = op;	1723	op->below->above = op;
1972	where->inv = op;	1724	inv = op;
1973	}	1725	}
		1726
		1727	INVOKE_OBJECT (INSERT, this);
		1728
1974	return op;	1729	return op;
1975	}	1730	}
1976		1731
1977	/*	1732	/*
1978	* Checks if any objects has a move_type that matches objects	1733	* Checks if any objects has a move_type that matches objects
…		…
1992	*	1747	*
1993	* MSW 2001-07-08: Check all objects on space, not just those below	1748	* MSW 2001-07-08: Check all objects on space, not just those below
1994	* object being inserted. insert_ob_in_map may not put new objects	1749	* object being inserted. insert_ob_in_map may not put new objects
1995	* on top.	1750	* on top.
1996	*/	1751	*/
1997
1998	int	1752	int
1999	check_move_on (object *op, object *originator)	1753	check_move_on (object *op, object *originator)
2000	{	1754	{
2001	object *	1755	object *tmp;
2002	tmp;	1756	maptile *m = op->map;
2003	tag_t
2004	tag;
2005	mapstruct *
2006	m = op->map;
2007	int
2008	x = op->x, y = op->y;	1757	int x = op->x, y = op->y;
2009	MoveType	1758
2010	move_on,	1759	MoveType move_on, move_slow, move_block;
2011	move_slow,
2012	move_block;
2013		1760
2014	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1761	if (QUERY_FLAG (op, FLAG_NO_APPLY))
2015	return 0;	1762	return 0;
2016
2017	tag = op->count;
2018		1763
2019	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1764	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
2020	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1765	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
2021	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1766	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
2022		1767
…		…
2038		1783
2039	/* The objects have to be checked from top to bottom.	1784	/* The objects have to be checked from top to bottom.
2040	* Hence, we first go to the top:	1785	* Hence, we first go to the top:
2041	*/	1786	*/
2042		1787
2043	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1788	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
2044	{	1789	{
2045	/* Trim the search when we find the first other spell effect	1790	/* Trim the search when we find the first other spell effect
2046	* this helps performance so that if a space has 50 spell objects,	1791	* this helps performance so that if a space has 50 spell objects,
2047	* we don't need to check all of them.	1792	* we don't need to check all of them.
2048	*/	1793	*/
2049	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))	1794	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
2050	break;	1795	break;
2051	}	1796	}
		1797
2052	for (; tmp != NULL; tmp = tmp->below)	1798	for (; tmp; tmp = tmp->below)
2053	{	1799	{
2054	if (tmp == op)	1800	if (tmp == op)
2055	continue; /* Can't apply yourself */	1801	continue; /* Can't apply yourself */
2056		1802
2057	/* Check to see if one of the movement types should be slowed down.	1803	/* Check to see if one of the movement types should be slowed down.
…		…
2065	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1811	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2066	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1812	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
2067	{	1813	{
2068		1814
2069	float	1815	float
2070	diff;
2071
2072	diff = tmp->move_slow_penalty * FABS (op->speed);	1816	diff = tmp->move_slow_penalty * fabs (op->speed);
		1817
2073	if (op->type == PLAYER)	1818	if (op->type == PLAYER)
2074	{
2075	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1819	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
2076	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1820	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2077	{
2078	diff /= 4.0;	1821	diff /= 4.0;
2079	}	1822
2080	}
2081	op->speed_left -= diff;	1823	op->speed_left -= diff;
2082	}	1824	}
2083	}	1825	}
2084		1826
2085	/* Basically same logic as above, except now for actual apply. */	1827	/* Basically same logic as above, except now for actual apply. */
2086	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1828	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2087	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1829	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
2088	{	1830	{
2089
2090	move_apply (tmp, op, originator);	1831	move_apply (tmp, op, originator);
		1832
2091	if (was_destroyed (op, tag))	1833	if (op->destroyed ())
2092	return 1;	1834	return 1;
2093		1835
2094	/* what the person/creature stepped onto has moved the object	1836	/* what the person/creature stepped onto has moved the object
2095	* someplace new. Don't process any further - if we did,	1837	* someplace new. Don't process any further - if we did,
2096	* have a feeling strange problems would result.	1838	* have a feeling strange problems would result.
2097	*/	1839	*/
2098	if (op->map != m || op->x != x || op->y != y)	1840	if (op->map != m || op->x != x || op->y != y)
2099	return 0;	1841	return 0;
2100	}	1842	}
2101	}	1843	}
		1844
2102	return 0;	1845	return 0;
2103	}	1846	}
2104		1847
2105	/*	1848	/*
2106	* present_arch(arch, map, x, y) searches for any objects with	1849	* present_arch(arch, map, x, y) searches for any objects with
2107	* a matching archetype at the given map and coordinates.	1850	* a matching archetype at the given map and coordinates.
2108	* The first matching object is returned, or NULL if none.	1851	* The first matching object is returned, or NULL if none.
2109	*/	1852	*/
2110
2111	object *	1853	object *
2112	present_arch (const archetype *at, mapstruct *m, int x, int y)	1854	present_arch (const archetype *at, maptile *m, int x, int y)
2113	{	1855	{
2114	object *
2115	tmp;
2116
2117	if (m == NULL || out_of_map (m, x, y))	1856	if (!m || out_of_map (m, x, y))
2118	{	1857	{
2119	LOG (llevError, "Present_arch called outside map.\n");	1858	LOG (llevError, "Present_arch called outside map.\n");
2120	return NULL;	1859	return NULL;
2121	}	1860	}
2122	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1861
		1862	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2123	if (tmp->arch == at)	1863	if (tmp->arch == at)
2124	return tmp;	1864	return tmp;
		1865
2125	return NULL;	1866	return NULL;
2126	}	1867	}
2127		1868
2128	/*	1869	/*
2129	* present(type, map, x, y) searches for any objects with	1870	* present(type, map, x, y) searches for any objects with
2130	* a matching type variable at the given map and coordinates.	1871	* a matching type variable at the given map and coordinates.
2131	* The first matching object is returned, or NULL if none.	1872	* The first matching object is returned, or NULL if none.
2132	*/	1873	*/
2133
2134	object *	1874	object *
2135	present (unsigned char type, mapstruct *m, int x, int y)	1875	present (unsigned char type, maptile *m, int x, int y)
2136	{	1876	{
2137	object *
2138	tmp;
2139
2140	if (out_of_map (m, x, y))	1877	if (out_of_map (m, x, y))
2141	{	1878	{
2142	LOG (llevError, "Present called outside map.\n");	1879	LOG (llevError, "Present called outside map.\n");
2143	return NULL;	1880	return NULL;
2144	}	1881	}
2145	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1882
		1883	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2146	if (tmp->type == type)	1884	if (tmp->type == type)
2147	return tmp;	1885	return tmp;
		1886
2148	return NULL;	1887	return NULL;
2149	}	1888	}
2150		1889
2151	/*	1890	/*
2152	* present_in_ob(type, object) searches for any objects with	1891	* present_in_ob(type, object) searches for any objects with
2153	* a matching type variable in the inventory of the given object.	1892	* a matching type variable in the inventory of the given object.
2154	* The first matching object is returned, or NULL if none.	1893	* The first matching object is returned, or NULL if none.
2155	*/	1894	*/
2156
2157	object *	1895	object *
2158	present_in_ob (unsigned char type, const object *op)	1896	present_in_ob (unsigned char type, const object *op)
2159	{	1897	{
2160	object *
2161	tmp;
2162
2163	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1898	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2164	if (tmp->type == type)	1899	if (tmp->type == type)
2165	return tmp;	1900	return tmp;
		1901
2166	return NULL;	1902	return NULL;
2167	}	1903	}
2168		1904
2169	/*	1905	/*
2170	* present_in_ob (type, str, object) searches for any objects with	1906	* present_in_ob (type, str, object) searches for any objects with
…		…
2178	* str is the string to match against. Note that we match against	1914	* str is the string to match against. Note that we match against
2179	* the object name, not the archetype name. this is so that the	1915	* the object name, not the archetype name. this is so that the
2180	* spell code can use one object type (force), but change it's name	1916	* spell code can use one object type (force), but change it's name
2181	* to be unique.	1917	* to be unique.
2182	*/	1918	*/
2183
2184	object *	1919	object *
2185	present_in_ob_by_name (int type, const char *str, const object *op)	1920	present_in_ob_by_name (int type, const char *str, const object *op)
2186	{	1921	{
2187	object *
2188	tmp;
2189
2190	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1922	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2191	{
2192	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1923	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2193	return tmp;	1924	return tmp;
2194	}	1925
2195	return NULL;	1926	return 0;
2196	}	1927	}
2197		1928
2198	/*	1929	/*
2199	* present_arch_in_ob(archetype, object) searches for any objects with	1930	* present_arch_in_ob(archetype, object) searches for any objects with
2200	* a matching archetype in the inventory of the given object.	1931	* a matching archetype in the inventory of the given object.
2201	* The first matching object is returned, or NULL if none.	1932	* The first matching object is returned, or NULL if none.
2202	*/	1933	*/
2203
2204	object *	1934	object *
2205	present_arch_in_ob (const archetype *at, const object *op)	1935	present_arch_in_ob (const archetype *at, const object *op)
2206	{	1936	{
2207	object *
2208	tmp;
2209
2210	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1937	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2211	if (tmp->arch == at)	1938	if (tmp->arch == at)
2212	return tmp;	1939	return tmp;
		1940
2213	return NULL;	1941	return NULL;
2214	}	1942	}
2215		1943
2216	/*	1944	/*
2217	* activate recursively a flag on an object inventory	1945	* activate recursively a flag on an object inventory
2218	*/	1946	*/
2219	void	1947	void
2220	flag_inv (object *op, int flag)	1948	flag_inv (object *op, int flag)
2221	{	1949	{
2222	object *
2223	tmp;
2224
2225	if (op->inv)	1950	if (op->inv)
2226	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1951	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2227	{	1952	{
2228	SET_FLAG (tmp, flag);	1953	SET_FLAG (tmp, flag);
2229	flag_inv (tmp, flag);	1954	flag_inv (tmp, flag);
2230	}	1955	}
2231	} /*	1956	}
		1957
		1958	/*
2232	* desactivate recursively a flag on an object inventory	1959	* deactivate recursively a flag on an object inventory
2233	*/	1960	*/
2234	void	1961	void
2235	unflag_inv (object *op, int flag)	1962	unflag_inv (object *op, int flag)
2236	{	1963	{
2237	object *
2238	tmp;
2239
2240	if (op->inv)	1964	if (op->inv)
2241	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1965	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2242	{	1966	{
2243	CLEAR_FLAG (tmp, flag);	1967	CLEAR_FLAG (tmp, flag);
2244	unflag_inv (tmp, flag);	1968	unflag_inv (tmp, flag);
2245	}	1969	}
2246	}
2247
2248	/*
2249	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2250	* all it's inventory (recursively).
2251	* If checksums are used, a player will get set_cheat called for
2252	* him/her-self and all object carried by a call to this function.
2253	*/
2254
2255	void
2256	set_cheat (object *op)
2257	{
2258	SET_FLAG (op, FLAG_WAS_WIZ);
2259	flag_inv (op, FLAG_WAS_WIZ);
2260	}	1970	}
2261		1971
2262	/*	1972	/*
2263	* find_free_spot(object, map, x, y, start, stop) will search for	1973	* find_free_spot(object, map, x, y, start, stop) will search for
2264	* a spot at the given map and coordinates which will be able to contain	1974	* a spot at the given map and coordinates which will be able to contain
…		…
2278	* because arch_blocked (now ob_blocked) needs to know the movement type	1988	* because arch_blocked (now ob_blocked) needs to know the movement type
2279	* to know if the space in question will block the object. We can't use	1989	* to know if the space in question will block the object. We can't use
2280	* the archetype because that isn't correct if the monster has been	1990	* the archetype because that isn't correct if the monster has been
2281	* customized, changed states, etc.	1991	* customized, changed states, etc.
2282	*/	1992	*/
2283
2284	int	1993	int
2285	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	1994	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2286	{	1995	{
2287	int
2288	i,
2289	index = 0, flag;	1996	int index = 0, flag;
2290	static int
2291	altern[SIZEOFFREE];	1997	int altern[SIZEOFFREE];
2292		1998
2293	for (i = start; i < stop; i++)	1999	for (int i = start; i < stop; i++)
2294	{	2000	{
2295	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2001	mapxy pos (m, x, y); pos.move (i);
2296	if (!flag)	2002
2297	altern[index++] = i;	2003	if (!pos.normalise ())
		2004	continue;
		2005
		2006	mapspace &ms = *pos;
		2007	ms.update ();
		2008
		2009	/* However, often
		2010	* ob doesn't have any move type (when used to place exits)
		2011	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2012	*/
		2013	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2014	continue;
2298		2015
2299	/* Basically, if we find a wall on a space, we cut down the search size.	2016	/* Basically, if we find a wall on a space, we cut down the search size.
2300	* In this way, we won't return spaces that are on another side of a wall.	2017	* In this way, we won't return spaces that are on another side of a wall.
2301	* This mostly work, but it cuts down the search size in all directions -	2018	* This mostly work, but it cuts down the search size in all directions -
2302	* if the space being examined only has a wall to the north and empty	2019	* if the space being examined only has a wall to the north and empty
2303	* spaces in all the other directions, this will reduce the search space	2020	* spaces in all the other directions, this will reduce the search space
2304	* to only the spaces immediately surrounding the target area, and	2021	* to only the spaces immediately surrounding the target area, and
2305	* won't look 2 spaces south of the target space.	2022	* won't look 2 spaces south of the target space.
2306	*/	2023	*/
2307	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2024	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2025	{
2308	stop = maxfree[i];	2026	stop = maxfree[i];
		2027	continue;
		2028	}
		2029
		2030	/* Note it is intentional that we check ob - the movement type of the
		2031	* head of the object should correspond for the entire object.
		2032	*/
		2033	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2034	continue;
		2035
		2036	altern [index++] = i;
2309	}	2037	}
		2038
2310	if (!index)	2039	if (!index)
2311	return -1;	2040	return -1;
		2041
2312	return altern[RANDOM () % index];	2042	return altern [rndm (index)];
2313	}	2043	}
2314		2044
2315	/*	2045	/*
2316	* find_first_free_spot(archetype, mapstruct, x, y) works like	2046	* find_first_free_spot(archetype, maptile, x, y) works like
2317	* find_free_spot(), but it will search max number of squares.	2047	* find_free_spot(), but it will search max number of squares.
2318	* But it will return the first available spot, not a random choice.	2048	* But it will return the first available spot, not a random choice.
2319	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2049	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2320	*/	2050	*/
2321
2322	int	2051	int
2323	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2052	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2324	{	2053	{
2325	int
2326	i;
2327
2328	for (i = 0; i < SIZEOFFREE; i++)	2054	for (int i = 0; i < SIZEOFFREE; i++)
2329	{
2330	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2055	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2331	return i;	2056	return i;
2332	}	2057
2333	return -1;	2058	return -1;
2334	}	2059	}
2335		2060
2336	/*	2061	/*
2337	* The function permute(arr, begin, end) randomly reorders the array	2062	* The function permute(arr, begin, end) randomly reorders the array
2338	* arr[begin..end-1].	2063	* arr[begin..end-1].
		2064	* now uses a fisher-yates shuffle, old permute was broken
2339	*/	2065	*/
2340	static void	2066	static void
2341	permute (int *arr, int begin, int end)	2067	permute (int *arr, int begin, int end)
2342	{	2068	{
2343	int	2069	arr += begin;
2344	i,
2345	j,
2346	tmp,
2347	len;
2348
2349	len = end - begin;	2070	end -= begin;
2350	for (i = begin; i < end; i++)
2351	{
2352	j = begin + RANDOM () % len;
2353		2071
2354	tmp = arr[i];	2072	while (--end)
2355	arr[i] = arr[j];	2073	swap (arr [end], arr [rndm (end + 1)]);
2356	arr[j] = tmp;
2357	}
2358	}	2074	}
2359		2075
2360	/* new function to make monster searching more efficient, and effective!	2076	/* new function to make monster searching more efficient, and effective!
2361	* This basically returns a randomized array (in the passed pointer) of	2077	* This basically returns a randomized array (in the passed pointer) of
2362	* the spaces to find monsters. In this way, it won't always look for	2078	* the spaces to find monsters. In this way, it won't always look for
…		…
2365	* the 3x3 area will be searched, just not in a predictable order.	2081	* the 3x3 area will be searched, just not in a predictable order.
2366	*/	2082	*/
2367	void	2083	void
2368	get_search_arr (int *search_arr)	2084	get_search_arr (int *search_arr)
2369	{	2085	{
2370	int	2086	int i;
2371	i;
2372		2087
2373	for (i = 0; i < SIZEOFFREE; i++)	2088	for (i = 0; i < SIZEOFFREE; i++)
2374	{
2375	search_arr[i] = i;	2089	search_arr[i] = i;
2376	}
2377		2090
2378	permute (search_arr, 1, SIZEOFFREE1 + 1);	2091	permute (search_arr, 1, SIZEOFFREE1 + 1);
2379	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2092	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2380	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2093	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2381	}	2094	}
…		…
2390	* Perhaps incorrectly, but I'm making the assumption that exclude	2103	* Perhaps incorrectly, but I'm making the assumption that exclude
2391	* is actually want is going to try and move there. We need this info	2104	* is actually want is going to try and move there. We need this info
2392	* because we have to know what movement the thing looking to move	2105	* because we have to know what movement the thing looking to move
2393	* there is capable of.	2106	* there is capable of.
2394	*/	2107	*/
2395
2396	int	2108	int
2397	find_dir (mapstruct *m, int x, int y, object *exclude)	2109	find_dir (maptile *m, int x, int y, object *exclude)
2398	{	2110	{
2399	int
2400	i,
2401	max = SIZEOFFREE, mflags;	2111	int i, max = SIZEOFFREE, mflags;
2402	sint16	2112
2403	nx,	2113	sint16 nx, ny;
2404	ny;
2405	object *	2114	object *tmp;
2406	tmp;	2115	maptile *mp;
2407	mapstruct *
2408	mp;
2409	MoveType
2410	blocked,
2411	move_type;
2412		2116
		2117	MoveType blocked, move_type;
		2118
2413	if (exclude && exclude->head)	2119	if (exclude && exclude->head_ () != exclude)
2414	{	2120	{
2415	exclude = exclude->head;	2121	exclude = exclude->head;
2416	move_type = exclude->move_type;	2122	move_type = exclude->move_type;
2417	}	2123	}
2418	else	2124	else
…		…
2426	mp = m;	2132	mp = m;
2427	nx = x + freearr_x[i];	2133	nx = x + freearr_x[i];
2428	ny = y + freearr_y[i];	2134	ny = y + freearr_y[i];
2429		2135
2430	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2136	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2137
2431	if (mflags & P_OUT_OF_MAP)	2138	if (mflags & P_OUT_OF_MAP)
2432	{
2433	max = maxfree[i];	2139	max = maxfree[i];
2434	}
2435	else	2140	else
2436	{	2141	{
2437	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2142	mapspace &ms = mp->at (nx, ny);
		2143
		2144	blocked = ms.move_block;
2438		2145
2439	if ((move_type & blocked) == move_type)	2146	if ((move_type & blocked) == move_type)
2440	{
2441	max = maxfree[i];	2147	max = maxfree[i];
2442	}
2443	else if (mflags & P_IS_ALIVE)	2148	else if (mflags & P_IS_ALIVE)
2444	{	2149	{
2445	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2150	for (tmp = ms.bot; tmp; tmp = tmp->above)
2446	{	2151	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2447	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2152	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2448	{
2449	break;	2153	break;
2450	}	2154
2451	}
2452	if (tmp)	2155	if (tmp)
2453	{
2454	return freedir[i];	2156	return freedir[i];
2455	}
2456	}	2157	}
2457	}	2158	}
2458	}	2159	}
		2160
2459	return 0;	2161	return 0;
2460	}	2162	}
2461		2163
2462	/*	2164	/*
2463	* distance(object 1, object 2) will return the square of the	2165	* distance(object 1, object 2) will return the square of the
2464	* distance between the two given objects.	2166	* distance between the two given objects.
2465	*/	2167	*/
2466
2467	int	2168	int
2468	distance (const object *ob1, const object *ob2)	2169	distance (const object *ob1, const object *ob2)
2469	{	2170	{
2470	int
2471	i;
2472
2473	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2171	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2474	return i;
2475	}	2172	}
2476		2173
2477	/*	2174	/*
2478	* find_dir_2(delta-x,delta-y) will return a direction in which	2175	* find_dir_2(delta-x,delta-y) will return a direction in which
2479	* an object which has subtracted the x and y coordinates of another	2176	* an object which has subtracted the x and y coordinates of another
2480	* object, needs to travel toward it.	2177	* object, needs to travel toward it.
2481	*/	2178	*/
2482
2483	int	2179	int
2484	find_dir_2 (int x, int y)	2180	find_dir_2 (int x, int y)
2485	{	2181	{
2486	int	2182	int q;
2487	q;
2488		2183
2489	if (y)	2184	if (y)
2490	q = x * 100 / y;	2185	q = x * 100 / y;
2491	else if (x)	2186	else if (x)
2492	q = -300 * x;	2187	q = -300 * x;
…		…
2517		2212
2518	return 3;	2213	return 3;
2519	}	2214	}
2520		2215
2521	/*	2216	/*
2522	* absdir(int): Returns a number between 1 and 8, which represent
2523	* the "absolute" direction of a number (it actually takes care of
2524	* "overflow" in previous calculations of a direction).
2525	*/
2526
2527	int
2528	absdir (int d)
2529	{
2530	while (d < 1)
2531	d += 8;
2532	while (d > 8)
2533	d -= 8;
2534	return d;
2535	}
2536
2537	/*
2538	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2217	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2539	* between two directions (which are expected to be absolute (see absdir())	2218	* between two directions (which are expected to be absolute (see absdir())
2540	*/	2219	*/
2541
2542	int	2220	int
2543	dirdiff (int dir1, int dir2)	2221	dirdiff (int dir1, int dir2)
2544	{	2222	{
2545	int	2223	int d;
2546	d;
2547		2224
2548	d = abs (dir1 - dir2);	2225	d = abs (dir1 - dir2);
2549	if (d > 4)	2226	if (d > 4)
2550	d = 8 - d;	2227	d = 8 - d;
		2228
2551	return d;	2229	return d;
2552	}	2230	}
2553		2231
2554	/* peterm:	2232	/* peterm:
2555	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2233	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2558	* This basically means that if direction is 15, then it could either go	2236	* This basically means that if direction is 15, then it could either go
2559	* direction 4, 14, or 16 to get back to where we are.	2237	* direction 4, 14, or 16 to get back to where we are.
2560	* Moved from spell_util.c to object.c with the other related direction	2238	* Moved from spell_util.c to object.c with the other related direction
2561	* functions.	2239	* functions.
2562	*/	2240	*/
2563
2564	int
2565	reduction_dir[SIZEOFFREE][3] = {	2241	int reduction_dir[SIZEOFFREE][3] = {
2566	{0, 0, 0}, /* 0 */	2242	{0, 0, 0}, /* 0 */
2567	{0, 0, 0}, /* 1 */	2243	{0, 0, 0}, /* 1 */
2568	{0, 0, 0}, /* 2 */	2244	{0, 0, 0}, /* 2 */
2569	{0, 0, 0}, /* 3 */	2245	{0, 0, 0}, /* 3 */
2570	{0, 0, 0}, /* 4 */	2246	{0, 0, 0}, /* 4 */
…		…
2618	* find a path to that monster that we found. If not,	2294	* find a path to that monster that we found. If not,
2619	* we don't bother going toward it. Returns 1 if we	2295	* we don't bother going toward it. Returns 1 if we
2620	* can see a direct way to get it	2296	* can see a direct way to get it
2621	* Modified to be map tile aware -.MSW	2297	* Modified to be map tile aware -.MSW
2622	*/	2298	*/
2623
2624
2625	int	2299	int
2626	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2300	can_see_monsterP (maptile *m, int x, int y, int dir)
2627	{	2301	{
2628	sint16	2302	sint16 dx, dy;
2629	dx,
2630	dy;
2631	int
2632	mflags;	2303	int mflags;
2633		2304
2634	if (dir < 0)	2305	if (dir < 0)
2635	return 0; /* exit condition: invalid direction */	2306	return 0; /* exit condition: invalid direction */
2636		2307
2637	dx = x + freearr_x[dir];	2308	dx = x + freearr_x[dir];
…		…
2650	return 0;	2321	return 0;
2651		2322
2652	/* yes, can see. */	2323	/* yes, can see. */
2653	if (dir < 9)	2324	if (dir < 9)
2654	return 1;	2325	return 1;
		2326
2655	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2327	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2656	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2328	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2329	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2657	}	2330	}
2658
2659
2660		2331
2661	/*	2332	/*
2662	* can_pick(picker, item): finds out if an object is possible to be	2333	* can_pick(picker, item): finds out if an object is possible to be
2663	* picked up by the picker. Returnes 1 if it can be	2334	* picked up by the picker. Returnes 1 if it can be
2664	* picked up, otherwise 0.	2335	* picked up, otherwise 0.
…		…
2666	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2337	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2667	* core dumps if they do.	2338	* core dumps if they do.
2668	*	2339	*
2669	* Add a check so we can't pick up invisible objects (0.93.8)	2340	* Add a check so we can't pick up invisible objects (0.93.8)
2670	*/	2341	*/
2671
2672	int	2342	int
2673	can_pick (const object *who, const object *item)	2343	can_pick (const object *who, const object *item)
2674	{	2344	{
2675	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2345	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2676	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2346	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2677	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2347	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2678	}	2348	}
2679		2349
2680
2681	/*	2350	/*
2682	* create clone from object to another	2351	* create clone from object to another
2683	*/	2352	*/
2684	object *	2353	object *
2685	object_create_clone (object *asrc)	2354	object_create_clone (object *asrc)
2686	{	2355	{
2687	object *
2688	dst = NULL, *tmp, *src, *part, *prev, *item;	2356	object *dst = 0, *tmp, *src, *prev, *item;
2689		2357
2690	if (!asrc)	2358	if (!asrc)
2691	return NULL;	2359	return 0;
2692	src = asrc;	2360
2693	if (src->head)
2694	src = src->head;	2361	src = asrc->head_ ();
2695		2362
2696	prev = NULL;	2363	prev = 0;
2697	for (part = src; part; part = part->more)	2364	for (object *part = src; part; part = part->more)
2698	{	2365	{
2699	tmp = get_object ();	2366	tmp = part->clone ();
2700	copy_object (part, tmp);
2701	tmp->x -= src->x;	2367	tmp->x -= src->x;
2702	tmp->y -= src->y;	2368	tmp->y -= src->y;
		2369
2703	if (!part->head)	2370	if (!part->head)
2704	{	2371	{
2705	dst = tmp;	2372	dst = tmp;
2706	tmp->head = NULL;	2373	tmp->head = 0;
2707	}	2374	}
2708	else	2375	else
2709	{
2710	tmp->head = dst;	2376	tmp->head = dst;
2711	}	2377
2712	tmp->more = NULL;	2378	tmp->more = 0;
		2379
2713	if (prev)	2380	if (prev)
2714	prev->more = tmp;	2381	prev->more = tmp;
		2382
2715	prev = tmp;	2383	prev = tmp;
2716	}	2384	}
2717		2385
2718	/*** copy inventory ***/
2719	for (item = src->inv; item; item = item->below)	2386	for (item = src->inv; item; item = item->below)
2720	{
2721	(void) insert_ob_in_ob (object_create_clone (item), dst);	2387	insert_ob_in_ob (object_create_clone (item), dst);
2722	}
2723		2388
2724	return dst;	2389	return dst;
2725	}
2726
2727	/* return true if the object was destroyed, 0 otherwise */
2728	int
2729	was_destroyed (const object *op, tag_t old_tag)
2730	{
2731	/* checking for FLAG_FREED isn't necessary, but makes this function more
2732	* robust */
2733	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2734	}
2735
2736	/* GROS - Creates an object using a string representing its content. */
2737
2738	/* Basically, we save the content of the string to a temp file, then call */
2739
2740	/* load_object on it. I admit it is a highly inefficient way to make things, */
2741
2742	/* but it was simple to make and allows reusing the load_object function. */
2743
2744	/* Remember not to use load_object_str in a time-critical situation. */
2745
2746	/* Also remember that multiparts objects are not supported for now. */
2747
2748	object *
2749	load_object_str (const char *obstr)
2750	{
2751	object *
2752	op;
2753	char
2754	filename[MAX_BUF];
2755
2756	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2757
2758	FILE *
2759	tempfile = fopen (filename, "w");
2760
2761	if (tempfile == NULL)
2762	{
2763	LOG (llevError, "Error - Unable to access load object temp file\n");
2764	return NULL;
2765	};
2766	fprintf (tempfile, obstr);
2767	fclose (tempfile);
2768
2769	op = get_object ();
2770
2771	object_thawer
2772	thawer (filename);
2773
2774	if (thawer)
2775	load_object (thawer, op, 0);
2776
2777	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2778	CLEAR_FLAG (op, FLAG_REMOVED);
2779
2780	return op;
2781	}	2390	}
2782		2391
2783	/* This returns the first object in who's inventory that	2392	/* This returns the first object in who's inventory that
2784	* has the same type and subtype match.	2393	* has the same type and subtype match.
2785	* returns NULL if no match.	2394	* returns NULL if no match.
2786	*/	2395	*/
2787	object *	2396	object *
2788	find_obj_by_type_subtype (const object *who, int type, int subtype)	2397	find_obj_by_type_subtype (const object *who, int type, int subtype)
2789	{	2398	{
2790	object *
2791	tmp;
2792
2793	for (tmp = who->inv; tmp; tmp = tmp->below)	2399	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2794	if (tmp->type == type && tmp->subtype == subtype)	2400	if (tmp->type == type && tmp->subtype == subtype)
2795	return tmp;	2401	return tmp;
2796		2402
2797	return NULL;	2403	return 0;
2798	}	2404	}
2799		2405
2800	/* If ob has a field named key, return the link from the list,	2406	/* If ob has a field named key, return the link from the list,
2801	* otherwise return NULL.	2407	* otherwise return NULL.
2802	*	2408	*
…		…
2804	* do the desired thing.	2410	* do the desired thing.
2805	*/	2411	*/
2806	key_value *	2412	key_value *
2807	get_ob_key_link (const object *ob, const char *key)	2413	get_ob_key_link (const object *ob, const char *key)
2808	{	2414	{
2809	key_value *
2810	link;
2811
2812	for (link = ob->key_values; link != NULL; link = link->next)	2415	for (key_value *link = ob->key_values; link; link = link->next)
2813	{
2814	if (link->key == key)	2416	if (link->key == key)
2815	{
2816	return link;	2417	return link;
2817	}
2818	}
2819		2418
2820	return NULL;	2419	return 0;
2821	}	2420	}
2822		2421
2823	/*	2422	/*
2824	* Returns the value of op has an extra_field for key, or NULL.	2423	* Returns the value of op has an extra_field for key, or NULL.
2825	*	2424	*
…		…
2828	* The returned string is shared.	2427	* The returned string is shared.
2829	*/	2428	*/
2830	const char *	2429	const char *
2831	get_ob_key_value (const object *op, const char *const key)	2430	get_ob_key_value (const object *op, const char *const key)
2832	{	2431	{
2833	key_value *	2432	key_value *link;
2834	link;	2433	shstr_cmp canonical_key (key);
2835	const char *
2836	canonical_key;
2837		2434
2838	canonical_key = shstr::find (key);
2839
2840	if (canonical_key == NULL)	2435	if (!canonical_key)
2841	{	2436	{
2842	/* 1. There being a field named key on any object	2437	/* 1. There being a field named key on any object
2843	* implies there'd be a shared string to find.	2438	* implies there'd be a shared string to find.
2844	* 2. Since there isn't, no object has this field.	2439	* 2. Since there isn't, no object has this field.
2845	* 3. Therefore, *this* object doesn't have this field.	2440	* 3. Therefore, *this* object doesn't have this field.
2846	*/	2441	*/
2847	return NULL;	2442	return 0;
2848	}	2443	}
2849		2444
2850	/* This is copied from get_ob_key_link() above -	2445	/* This is copied from get_ob_key_link() above -
2851	* only 4 lines, and saves the function call overhead.	2446	* only 4 lines, and saves the function call overhead.
2852	*/	2447	*/
2853	for (link = op->key_values; link != NULL; link = link->next)	2448	for (link = op->key_values; link; link = link->next)
2854	{
2855	if (link->key == canonical_key)	2449	if (link->key == canonical_key)
2856	{
2857	return link->value;	2450	return link->value;
2858	}	2451
2859	}
2860	return NULL;	2452	return 0;
2861	}	2453	}
2862
2863		2454
2864	/*	2455	/*
2865	* Updates the canonical_key in op to value.	2456	* Updates the canonical_key in op to value.
2866	*	2457	*
2867	* canonical_key is a shared string (value doesn't have to be).	2458	* canonical_key is a shared string (value doesn't have to be).
…		…
2872	* Returns TRUE on success.	2463	* Returns TRUE on success.
2873	*/	2464	*/
2874	int	2465	int
2875	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2466	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2876	{	2467	{
2877	key_value *
2878	field = NULL, *last = NULL;	2468	key_value *field = NULL, *last = NULL;
2879		2469
2880	for (field = op->key_values; field != NULL; field = field->next)	2470	for (field = op->key_values; field != NULL; field = field->next)
2881	{	2471	{
2882	if (field->key != canonical_key)	2472	if (field->key != canonical_key)
2883	{	2473	{
…		…
2892	/* Basically, if the archetype has this key set,	2482	/* Basically, if the archetype has this key set,
2893	* we need to store the null value so when we save	2483	* we need to store the null value so when we save
2894	* it, we save the empty value so that when we load,	2484	* it, we save the empty value so that when we load,
2895	* we get this value back again.	2485	* we get this value back again.
2896	*/	2486	*/
2897	if (get_ob_key_link (&op->arch->clone, canonical_key))	2487	if (get_ob_key_link (op->arch, canonical_key))
2898	field->value = 0;	2488	field->value = 0;
2899	else	2489	else
2900	{	2490	{
2901	if (last)	2491	if (last)
2902	last->next = field->next;	2492	last->next = field->next;
2903	else	2493	else
2904	op->key_values = field->next;	2494	op->key_values = field->next;
2905		2495
2906	delete
2907	field;	2496	delete field;
2908	}	2497	}
2909	}	2498	}
2910	return TRUE;	2499	return TRUE;
2911	}	2500	}
2912	/* IF we get here, key doesn't exist */	2501	/* IF we get here, key doesn't exist */
2913		2502
2914	/* No field, we'll have to add it. */	2503	/* No field, we'll have to add it. */
2915		2504
2916	if (!add_key)	2505	if (!add_key)
2917	{
2918	return FALSE;	2506	return FALSE;
2919	}	2507
2920	/* There isn't any good reason to store a null	2508	/* There isn't any good reason to store a null
2921	* value in the key/value list. If the archetype has	2509	* value in the key/value list. If the archetype has
2922	* this key, then we should also have it, so shouldn't	2510	* this key, then we should also have it, so shouldn't
2923	* be here. If user wants to store empty strings,	2511	* be here. If user wants to store empty strings,
2924	* should pass in ""	2512	* should pass in ""
…		…
2947	* Returns TRUE on success.	2535	* Returns TRUE on success.
2948	*/	2536	*/
2949	int	2537	int
2950	set_ob_key_value (object *op, const char *key, const char *value, int add_key)	2538	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2951	{	2539	{
2952	shstr
2953	key_ (key);	2540	shstr key_ (key);
2954		2541
2955	return set_ob_key_value_s (op, key_, value, add_key);	2542	return set_ob_key_value_s (op, key_, value, add_key);
2956	}	2543	}
		2544
		2545	object::depth_iterator::depth_iterator (object *container)
		2546	: iterator_base (container)
		2547	{
		2548	while (item->inv)
		2549	item = item->inv;
		2550	}
		2551
		2552	void
		2553	object::depth_iterator::next ()
		2554	{
		2555	if (item->below)
		2556	{
		2557	item = item->below;
		2558
		2559	while (item->inv)
		2560	item = item->inv;
		2561	}
		2562	else
		2563	item = item->env;
		2564	}
		2565
		2566	const char *
		2567	object::flag_desc (char *desc, int len) const
		2568	{
		2569	char *p = desc;
		2570	bool first = true;
		2571
		2572	*p = 0;
		2573
		2574	for (int i = 0; i < NUM_FLAGS; i++)
		2575	{
		2576	if (len <= 10) // magic constant!
		2577	{
		2578	snprintf (p, len, ",...");
		2579	break;
		2580	}
		2581
		2582	if (flag [i])
		2583	{
		2584	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2585	len -= cnt;
		2586	p += cnt;
		2587	first = false;
		2588	}
		2589	}
		2590
		2591	return desc;
		2592	}
		2593
		2594	// return a suitable string describing an object in enough detail to find it
		2595	const char *
		2596	object::debug_desc (char *info) const
		2597	{
		2598	char flagdesc[512];
		2599	char info2[256 * 4];
		2600	char *p = info;
		2601
		2602	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
		2603	count, uuid.seq,
		2604	&name,
		2605	title ? "\",title:\"" : "",
		2606	title ? (const char *)title : "",
		2607	flag_desc (flagdesc, 512), type);
		2608
		2609	if (!this->flag[FLAG_REMOVED] && env)
		2610	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2611
		2612	if (map)
		2613	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
		2614
		2615	return info;
		2616	}
		2617
		2618	const char *
		2619	object::debug_desc () const
		2620	{
		2621	static char info[3][256 * 4];
		2622	static int info_idx;
		2623
		2624	return debug_desc (info [++info_idx % 3]);
		2625	}
		2626
		2627	struct region *
		2628	object::region () const
		2629	{
		2630	return map ? map->region (x, y)
		2631	: region::default_region ();
		2632	}
		2633
		2634	const materialtype_t *
		2635	object::dominant_material () const
		2636	{
		2637	if (materialtype_t *mt = name_to_material (materialname))
		2638	return mt;
		2639
		2640	return name_to_material (shstr_unknown);
		2641	}
		2642
		2643	void
		2644	object::open_container (object *new_container)
		2645	{
		2646	if (container == new_container)
		2647	return;
		2648
		2649	if (object *old_container = container)
		2650	{
		2651	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2652	return;
		2653
		2654	#if 0
		2655	// remove the "Close old_container" object.
		2656	if (object *closer = old_container->inv)
		2657	if (closer->type == CLOSE_CON)
		2658	closer->destroy ();
		2659	#endif
		2660
		2661	old_container->flag [FLAG_APPLIED] = 0;
		2662	container = 0;
		2663
		2664	esrv_update_item (UPD_FLAGS, this, old_container);
		2665	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2666	play_sound (sound_find ("chest_close"));
		2667	}
		2668
		2669	if (new_container)
		2670	{
		2671	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2672	return;
		2673
		2674	// TODO: this does not seem to serve any purpose anymore?
		2675	#if 0
		2676	// insert the "Close Container" object.
		2677	if (archetype *closer = new_container->other_arch)
		2678	{
		2679	object *closer = arch_to_object (new_container->other_arch);
		2680	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2681	new_container->insert (closer);
		2682	}
		2683	#endif
		2684
		2685	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2686
		2687	new_container->flag [FLAG_APPLIED] = 1;
		2688	container = new_container;
		2689
		2690	esrv_update_item (UPD_FLAGS, this, new_container);
		2691	esrv_send_inventory (this, new_container);
		2692	play_sound (sound_find ("chest_open"));
		2693	}
		2694	}
		2695
		2696	object *
		2697	object::force_find (const shstr name)
		2698	{
		2699	/* cycle through his inventory to look for the MARK we want to
		2700	* place
		2701	*/
		2702	for (object *tmp = inv; tmp; tmp = tmp->below)
		2703	if (tmp->type == FORCE && tmp->slaying == name)
		2704	return splay (tmp);
		2705
		2706	return 0;
		2707	}
		2708
		2709	void
		2710	object::force_add (const shstr name, int duration)
		2711	{
		2712	if (object *force = force_find (name))
		2713	force->destroy ();
		2714
		2715	object *force = get_archetype (FORCE_NAME);
		2716
		2717	force->slaying = name;
		2718	force->stats.food = 1;
		2719	force->speed_left = -1.f;
		2720
		2721	force->set_speed (duration ? 1.f / duration : 0.f);
		2722	force->flag [FLAG_IS_USED_UP] = true;
		2723	force->flag [FLAG_APPLIED] = true;
		2724
		2725	insert (force);
		2726	}
		2727
		2728	void
		2729	object::play_sound (faceidx sound) const
		2730	{
		2731	if (!sound)
		2732	return;
		2733
		2734	if (flag [FLAG_REMOVED])
		2735	return;
		2736
		2737	if (env)
		2738	{
		2739	if (object *pl = in_player ())
		2740	pl->contr->play_sound (sound);
		2741	}
		2742	else
		2743	map->play_sound (sound, x, y);
		2744	}
		2745

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