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Comparing deliantra/server/common/object.C (file contents):
Revision 1.33 by root, Tue Sep 12 00:53:56 2006 UTC vs.
Revision 1.188 by root, Wed Sep 12 11:10:09 2007 UTC

1
2	/*	1	/*
3	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
4		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7		7	*
8	This program is free software; you can redistribute it and/or modify	8	* Crossfire TRT is free software: you can redistribute it and/or modify
9	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
10	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	(at your option) any later version.	11	* (at your option) any later version.
12		12	*
13	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU General Public License for more details.	16	* GNU General Public License for more details.
17		17	*
18	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
19	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
21		21	* The authors can be reached via e-mail to <crossfire@schmorp.de>
22	The authors can be reached via e-mail at crossfire-devel@real-time.com
23	*/	22	*/
24		23
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
27	variable. */	26	variable. */
28	#include <global.h>	27	#include <global.h>
29	#include <stdio.h>	28	#include <stdio.h>
30	#include <sys/types.h>	29	#include <sys/types.h>
31	#include <sys/uio.h>	30	#include <sys/uio.h>
32	#include <object.h>	31	#include <object.h>
33	#include <funcpoint.h>	32	#include <funcpoint.h>
		33	#include <sproto.h>
34	#include <loader.h>	34	#include <loader.h>
35		35
		36	#include <bitset>
		37
36	int nrofallocobjects = 0;	38	int nrofallocobjects = 0;
		39	static UUID uuid;
		40	const uint64 UUID_SKIP = 1<<19;
37		41
38	object *objects; /* Pointer to the list of used objects */	42	objectvec objects;
39	object *active_objects; /* List of active objects that need to be processed */	43	activevec actives;
40		44
41	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,
42	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
43	};	47	};
44	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,
…		…
50	int freedir[SIZEOFFREE] = {	54	int freedir[SIZEOFFREE] = {
51	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,
52	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
53	};	57	};
54		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
55	/* 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. */
56	static int	137	static int
57	compare_ob_value_lists_one (const object *wants, const object *has)	138	compare_ob_value_lists_one (const object *wants, const object *has)
58	{	139	{
59	key_value *wants_field;	140	key_value *wants_field;
…		…
62	* 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
63	* different structure or at least keep the lists sorted...	144	* different structure or at least keep the lists sorted...
64	*/	145	*/
65		146
66	/* For each field in wants, */	147	/* For each field in wants, */
67	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)
68	{	149	{
69	key_value *has_field;	150	key_value *has_field;
70		151
71	/* Look for a field in has with the same key. */	152	/* Look for a field in has with the same key. */
72	has_field = get_ob_key_link (has, wants_field->key);	153	has_field = get_ob_key_link (has, wants_field->key);
…		…
106	*	187	*
107	* 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
108	* replaces - this is mostly for clarity - a decent compiler should hopefully	189	* replaces - this is mostly for clarity - a decent compiler should hopefully
109	* reduce this to the same efficiency.	190	* reduce this to the same efficiency.
110	*	191	*
111	* Check nrof variable *before* calling CAN_MERGE()	192	* Check nrof variable *before* calling can_merge()
112	*	193	*
113	* Improvements made with merge: Better checking on potion, and also	194	* Improvements made with merge: Better checking on potion, and also
114	* check weight	195	* check weight
115	*/	196	*/
116
117	bool object::can_merge (object *ob1, object *ob2)	197	bool object::can_merge_slow (object *ob1, object *ob2)
118	{	198	{
119	/* A couple quicksanity checks */	199	/* A couple quicksanity checks */
120	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)
121	return 0;	205	return 0;
122		206
123	if (ob1->speed != ob2->speed)	207	//TODO: this ain't working well, use nicer and correct overflow check
124	return 0;
125
126	/* 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
127	* 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
128	* used to store nrof).	210	* used to store nrof).
129	*/	211	*/
130	if (ob1->nrof + ob2->nrof >= 1UL << 31)	212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
140	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
141		223
142	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
143	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
144		226
145		227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
146	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	228	|| ob1->arch != ob2->arch
147	* being locked in inventory should prevent merging.
148	* 0x4 in flags3 is CLIENT_SENT
149	*/
150	if ((ob1->arch != ob2->arch) ||
151	(ob1->flags[0] != ob2->flags[0]) ||
152	(ob1->flags[1] != ob2->flags[1]) ||
153	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
154	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
155	(ob1->name != ob2->name) ||	229	|| ob1->name != ob2->name
156	(ob1->title != ob2->title) ||	230	|| ob1->title != ob2->title
157	(ob1->msg != ob2->msg) ||	231	|| ob1->msg != ob2->msg
158	(ob1->weight != ob2->weight) ||	232	|| ob1->weight != ob2->weight
159	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
160	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
161	(ob1->attacktype != ob2->attacktype) ||	235	|| ob1->attacktype != ob2->attacktype
162	(ob1->magic != ob2->magic) ||	236	|| ob1->magic != ob2->magic
163	(ob1->slaying != ob2->slaying) ||	237	|| ob1->slaying != ob2->slaying
164	(ob1->skill != ob2->skill) ||	238	|| ob1->skill != ob2->skill
165	(ob1->value != ob2->value) ||	239	|| ob1->value != ob2->value
166	(ob1->animation_id != ob2->animation_id) ||	240	|| ob1->animation_id != ob2->animation_id
167	(ob1->client_type != ob2->client_type) ||	241	|| ob1->client_type != ob2->client_type
168	(ob1->materialname != ob2->materialname) ||	242	|| ob1->materialname != ob2->materialname
169	(ob1->lore != ob2->lore) ||	243	|| ob1->lore != ob2->lore
170	(ob1->subtype != ob2->subtype) ||	244	|| ob1->subtype != ob2->subtype
171	(ob1->move_type != ob2->move_type) ||	245	|| ob1->move_type != ob2->move_type
172	(ob1->move_block != ob2->move_block) ||	246	|| ob1->move_block != ob2->move_block
173	(ob1->move_allow != ob2->move_allow) ||	247	|| ob1->move_allow != ob2->move_allow
174	(ob1->move_on != ob2->move_on) ||	248	|| ob1->move_on != ob2->move_on
175	(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)
176	return 0;	252	return 0;
177		253
178	/* This is really a spellbook check - really, we should	254	/* This is really a spellbook check - really, we should
179	* check all objects in the inventory.	255	* check all objects in the inventory.
180	*/	256	*/
…		…
183	/* 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 */
184	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
185	return 0;	261	return 0;
186		262
187	/* Now check to see if the two inventory objects could merge */	263	/* Now check to see if the two inventory objects could merge */
188	if (!CAN_MERGE (ob1->inv, ob2->inv))	264	if (!object::can_merge (ob1->inv, ob2->inv))
189	return 0;	265	return 0;
190		266
191	/* 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
192	* if it is valid.	268	* if it is valid.
193	*/	269	*/
…		…
202		278
203	/* 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
204	* 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
205	* check?	281	* check?
206	*/	282	*/
207	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
208	return 0;	284	return 0;
209		285
210	switch (ob1->type)	286	switch (ob1->type)
211	{	287	{
212	case SCROLL:	288	case SCROLL:
…		…
223	return 0;	299	return 0;
224	else if (!compare_ob_value_lists (ob1, ob2))	300	else if (!compare_ob_value_lists (ob1, ob2))
225	return 0;	301	return 0;
226	}	302	}
227		303
228	//TODO: generate an event or call into perl for additional checks
229	if (ob1->self || ob2->self)	304	if (ob1->self || ob2->self)
230	{	305	{
231	ob1->optimise ();	306	ob1->optimise ();
232	ob2->optimise ();	307	ob2->optimise ();
233		308
234	if (ob1->self || ob2->self)	309	if (ob1->self || ob2->self)
		310	if (!cfperl_can_merge (ob1, ob2))
235	return 0;	311	return 0;
236	}	312	}
237		313
238	/* Everything passes, must be OK. */	314	/* Everything passes, must be OK. */
239	return 1;	315	return 1;
240	}	316	}
…		…
248	sum_weight (object *op)	324	sum_weight (object *op)
249	{	325	{
250	long sum;	326	long sum;
251	object *inv;	327	object *inv;
252		328
253	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	329	for (sum = 0, inv = op->inv; inv; inv = inv->below)
254	{	330	{
255	if (inv->inv)	331	if (inv->inv)
256	sum_weight (inv);	332	sum_weight (inv);
		333
257	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
258	}	335	}
		336
259	if (op->type == CONTAINER && op->stats.Str)	337	if (op->type == CONTAINER && op->stats.Str)
260	sum = (sum * (100 - op->stats.Str)) / 100;	338	sum = (sum * (100 - op->stats.Str)) / 100;
		339
261	if (op->carrying != sum)	340	if (op->carrying != sum)
262	op->carrying = sum;	341	op->carrying = sum;
		342
263	return sum;	343	return sum;
264	}	344	}
265		345
266	/**	346	/**
267	* Return the outermost environment object for a given object.	347	* Return the outermost environment object for a given object.
…		…
274	op = op->env;	354	op = op->env;
275	return op;	355	return op;
276	}	356	}
277		357
278	/*	358	/*
279	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
280	* a better check. We basically keeping traversing up until we can't
281	* or find a player.
282	*/
283
284	object *
285	is_player_inv (object *op)
286	{
287	for (; op != NULL && op->type != PLAYER; op = op->env)
288	if (op->env == op)
289	op->env = NULL;
290	return op;
291	}
292
293	/*
294	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	359	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
295	* Some error messages.	360	* Some error messages.
296	* 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.
297	*/	362	*/
298		363	char *
299	void
300	dump_object2 (object *op)
301	{
302	errmsg[0] = 0;
303	return;
304	//TODO//D#d#
305	#if 0
306	char *cp;
307
308	/* object *tmp;*/
309
310	if (op->arch != NULL)
311	{
312	strcat (errmsg, "arch ");
313	strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
314	strcat (errmsg, "\n");
315	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
316	strcat (errmsg, cp);
317	# if 0
318	/* Don't dump player diffs - they are too long, mostly meaningless, and
319	* will overflow the buffer.
320	* Changed so that we don't dump inventory either. This may
321	* also overflow the buffer.
322	*/
323	if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
324	strcat (errmsg, cp);
325	for (tmp = op->inv; tmp; tmp = tmp->below)
326	dump_object2 (tmp);
327	# endif
328	strcat (errmsg, "end\n");
329	}
330	else
331	{
332	strcat (errmsg, "Object ");
333	if (op->name == NULL)
334	strcat (errmsg, "(null)");
335	else
336	strcat (errmsg, op->name);
337	strcat (errmsg, "\n");
338	# if 0
339	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
340	strcat (errmsg, cp);
341	for (tmp = op->inv; tmp; tmp = tmp->below)
342	dump_object2 (tmp);
343	# endif
344	strcat (errmsg, "end\n");
345	}
346	#endif
347	}
348
349	/*
350	* Dumps an object. Returns output in the static global errmsg array.
351	*/
352
353	void
354	dump_object (object *op)	364	dump_object (object *op)
355	{	365	{
356	if (op == NULL)	366	if (!op)
357	{	367	return strdup ("[NULLOBJ]");
358	strcpy (errmsg, "[NULL pointer]");
359	return;
360	}
361	errmsg[0] = '\0';
362	dump_object2 (op);
363	}
364		368
365	void	369	object_freezer freezer;
366	dump_all_objects (void)	370	op->write (freezer);
367	{	371	return freezer.as_string ();
368	object *op;
369
370	for (op = objects; op != NULL; op = op->next)
371	{
372	dump_object (op);
373	fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
374	}
375	}	372	}
376		373
377	/*	374	/*
378	* 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
379	* multi-object 1 which is closest to the second object.	376	* multi-object 1 which is closest to the second object.
380	* If it's not a multi-object, it is returned.	377	* If it's not a multi-object, it is returned.
381	*/	378	*/
382
383	object *	379	object *
384	get_nearest_part (object *op, const object *pl)	380	get_nearest_part (object *op, const object *pl)
385	{	381	{
386	object *tmp, *closest;	382	object *tmp, *closest;
387	int last_dist, i;	383	int last_dist, i;
…		…
395	}	391	}
396		392
397	/*	393	/*
398	* 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.
399	*/	395	*/
400
401	object *	396	object *
402	find_object (tag_t i)	397	find_object (tag_t i)
403	{	398	{
404	object *op;	399	for_all_objects (op)
405
406	for (op = objects; op != NULL; op = op->next)
407	if (op->count == i)	400	if (op->count == i)
408	break;
409	return op;	401	return op;
		402
		403	return 0;
410	}	404	}
411		405
412	/*	406	/*
413	* 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.
414	* Used only by the patch command, but not all that useful.	408	* Used only by the patch command, but not all that useful.
415	* Enables features like "patch <name-of-other-player> food 999"	409	* Enables features like "patch <name-of-other-player> food 999"
416	*/	410	*/
417
418	object *	411	object *
419	find_object_name (const char *str)	412	find_object_name (const char *str)
420	{	413	{
421	const char *name = shstr::find (str);	414	shstr_cmp str_ (str);
422	object *op;	415	object *op;
423		416
424	for (op = objects; op != NULL; op = op->next)	417	for_all_objects (op)
425	if (&op->name == name)	418	if (op->name == str_)
426	break;	419	break;
427		420
428	return op;	421	return op;
429	}	422	}
430		423
…		…
433	{	426	{
434	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);	427	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
435	}	428	}
436		429
437	/*	430	/*
438	* Returns the object which this object marks as being the owner.
439	* A id-scheme is used to avoid pointing to objects which have been
440	* freed and are now reused. If this is detected, the owner is
441	* set to NULL, and NULL is returned.
442	* Changed 2004-02-12 - if the player is setting at the play again
443	* prompt, he is removed, and we don't want to treat him as an owner of
444	* anything, so check removed flag. I don't expect that this should break
445	* anything - once an object is removed, it is basically dead anyways.
446	*/
447	object *
448	object::get_owner ()
449	{
450	if (!owner
451	|| QUERY_FLAG (owner, FLAG_FREED)
452	|| QUERY_FLAG (owner, FLAG_REMOVED))
453	owner = 0;
454
455	return owner;
456	}
457
458	/*
459	* 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
460	* skill and experience objects.	432	* skill and experience objects.
		433	* ACTUALLY NO! investigate! TODO
461	*/	434	*/
462	void	435	void
463	object::set_owner (object *owner)	436	object::set_owner (object *owner)
464	{	437	{
		438	// allow objects which own objects
465	if (!owner)	439	if (owner)
466	return;
467
468	/* next line added to allow objects which own objects */
469	/* Add a check for ownercounts in here, as I got into an endless loop
470	* with the fireball owning a poison cloud which then owned the
471	* fireball. I believe that was caused by one of the objects getting
472	* freed and then another object replacing it. Since the ownercounts
473	* didn't match, this check is valid and I believe that cause is valid.
474	*/
475	while (owner->owner)	440	while (owner->owner)
476	owner = owner->owner;	441	owner = owner->owner;
477		442
478	this->owner = owner;	443	this->owner = owner;
		444	}
		445
		446	int
		447	object::slottype () const
		448	{
		449	if (type == SKILL)
		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	}
		462
		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;
479	}	510	}
480		511
481	/* Zero the key_values on op, decrementing the shared-string	512	/* Zero the key_values on op, decrementing the shared-string
482	* refcounts and freeing the links.	513	* refcounts and freeing the links.
483	*/	514	*/
484	static void	515	static void
485	free_key_values (object *op)	516	free_key_values (object *op)
486	{	517	{
487	for (key_value *i = op->key_values; i != 0;)	518	for (key_value *i = op->key_values; i; )
488	{	519	{
489	key_value *next = i->next;	520	key_value *next = i->next;
490	delete i;	521	delete i;
491		522
492	i = next;	523	i = next;
493	}	524	}
494		525
495	op->key_values = 0;	526	op->key_values = 0;
496	}	527	}
497		528
498	void object::clear ()	529	object &
		530	object::operator =(const object &src)
499	{	531	{
500	attachable_base::clear ();	532	bool is_freed = flag [FLAG_FREED];
		533	bool is_removed = flag [FLAG_REMOVED];
501		534
502	free_key_values (this);	535	*(object_copy *)this = src;
503		536
504	owner = 0;	537	flag [FLAG_FREED] = is_freed;
505	name = 0;	538	flag [FLAG_REMOVED] = is_removed;
506	name_pl = 0;
507	title = 0;
508	race = 0;
509	slaying = 0;
510	skill = 0;
511	msg = 0;
512	lore = 0;
513	custom_name = 0;
514	materialname = 0;
515	contr = 0;
516	below = 0;
517	above = 0;
518	inv = 0;
519	container = 0;
520	env = 0;
521	more = 0;
522	head = 0;
523	map = 0;
524	active_next = 0;
525	active_prev = 0;
526
527	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
528
529	SET_FLAG (this, FLAG_REMOVED);
530
531	/* What is not cleared is next, prev, and count */
532
533	expmul = 1.0;
534	face = blank_face;
535	attacked_by_count = -1;
536
537	if (settings.casting_time)
538	casting_time = -1;
539	}
540
541	void object::clone (object *destination)
542	{
543	*(object_copy *)destination = *this;
544	*(object_pod *)destination = *this;
545
546	if (self || cb)
547	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
548	}
549
550	/*
551	* copy object first frees everything allocated by the second object,
552	* and then copies the contends of the first object into the second
553	* object, allocating what needs to be allocated. Basically, any
554	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
555	* if the first object is freed, the pointers in the new object
556	* will point at garbage.
557	*/
558	void
559	copy_object (object *op2, object *op)
560	{
561	bool is_freed = QUERY_FLAG (op, FLAG_FREED);
562	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
563
564	op2->clone (op);
565
566	if (is_freed)
567	SET_FLAG (op, FLAG_FREED);
568	if (is_removed)
569	SET_FLAG (op, FLAG_REMOVED);
570
571	if (op2->speed < 0)
572	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
573		539
574	/* Copy over key_values, if any. */	540	/* Copy over key_values, if any. */
575	if (op2->key_values)	541	if (src.key_values)
576	{	542	{
577	key_value *tail = 0;	543	key_value *tail = 0;
578	key_value *i;
579
580	op->key_values = 0;	544	key_values = 0;
581		545
582	for (i = op2->key_values; i; i = i->next)	546	for (key_value *i = src.key_values; i; i = i->next)
583	{	547	{
584	key_value *new_link = new key_value;	548	key_value *new_link = new key_value;
585		549
586	new_link->next = 0;	550	new_link->next = 0;
587	new_link->key = i->key;	551	new_link->key = i->key;
588	new_link->value = i->value;	552	new_link->value = i->value;
589		553
590	/* Try and be clever here, too. */	554	/* Try and be clever here, too. */
591	if (!op->key_values)	555	if (!key_values)
592	{	556	{
593	op->key_values = new_link;	557	key_values = new_link;
594	tail = new_link;	558	tail = new_link;
595	}	559	}
596	else	560	else
597	{	561	{
598	tail->next = new_link;	562	tail->next = new_link;
599	tail = new_link;	563	tail = new_link;
600	}	564	}
601	}	565	}
602	}	566	}
		567	}
603		568
604	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;
605	}	613	}
606		614
607	/*	615	/*
608	* 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
609	* 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
610	* 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.
611	*/	619	*/
612
613	void	620	void
614	update_turn_face (object *op)	621	update_turn_face (object *op)
615	{	622	{
616	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	623	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
617	return;	624	return;
		625
618	SET_ANIMATION (op, op->direction);	626	SET_ANIMATION (op, op->direction);
619	update_object (op, UP_OBJ_FACE);	627	update_object (op, UP_OBJ_FACE);
620	}	628	}
621		629
622	/*	630	/*
623	* 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
624	* 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.
625	* 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.
626	*/	634	*/
627	void	635	void
628	update_ob_speed (object *op)	636	object::set_speed (float speed)
629	{	637	{
630	extern int arch_init;	638	if (flag [FLAG_FREED] && speed)
631
632	/* No reason putting the archetypes objects on the speed list,
633	* since they never really need to be updated.
634	*/
635
636	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
637	{	639	{
638	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	640	LOG (llevError, "Object %s is freed but has speed.\n", &name);
639	#ifdef MANY_CORES
640	abort ();
641	#else
642	op->speed = 0;	641	speed = 0;
643	#endif
644	}
645
646	if (arch_init)
647	return;
648
649	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
650	{	642	}
651	/* If already on active list, don't do anything */
652	if (op->active_next || op->active_prev || op == active_objects)
653	return;
654		643
655	/* process_events() expects us to insert the object at the beginning	644	this->speed = speed;
656	* of the list. */
657	op->active_next = active_objects;
658		645
659	if (op->active_next != NULL)	646	if (has_active_speed ())
660	op->active_next->active_prev = op;	647	activate ();
661
662	active_objects = op;
663	}
664	else	648	else
665	{	649	deactivate ();
666	/* If not on the active list, nothing needs to be done */
667	if (!op->active_next && !op->active_prev && op != active_objects)
668	return;
669
670	if (op->active_prev == NULL)
671	{
672	active_objects = op->active_next;
673
674	if (op->active_next != NULL)
675	op->active_next->active_prev = NULL;
676	}
677	else
678	{
679	op->active_prev->active_next = op->active_next;
680
681	if (op->active_next)
682	op->active_next->active_prev = op->active_prev;
683	}
684
685	op->active_next = NULL;
686	op->active_prev = NULL;
687	}
688	}	650	}
689		651
690	/* This function removes object 'op' from the list of active
691	* objects.
692	* This should only be used for style maps or other such
693	* reference maps where you don't want an object that isn't
694	* in play chewing up cpu time getting processed.
695	* The reverse of this is to call update_ob_speed, which
696	* will do the right thing based on the speed of the object.
697	*/
698	void
699	remove_from_active_list (object *op)
700	{
701	/* If not on the active list, nothing needs to be done */
702	if (!op->active_next && !op->active_prev && op != active_objects)
703	return;
704
705	if (op->active_prev == NULL)
706	{
707	active_objects = op->active_next;
708	if (op->active_next != NULL)
709	op->active_next->active_prev = NULL;
710	}
711	else
712	{
713	op->active_prev->active_next = op->active_next;
714	if (op->active_next)
715	op->active_next->active_prev = op->active_prev;
716	}
717	op->active_next = NULL;
718	op->active_prev = NULL;
719	}
720
721	/*	652	/*
722	* update_object() updates the array which represents the map.	653	* update_object() updates the the map.
723	* It takes into account invisible objects (and represent squares covered	654	* It takes into account invisible objects (and represent squares covered
724	* 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
725	* invisible object, etc...)	656	* invisible object, etc...)
726	* 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
727	* 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
728	* updating that window, though, since update_object() is called _often_)	659	* updating that window, though, since update_object() is called _often_)
729	*	660	*
730	* 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.
731	* For example, if the only thing that has changed is the face (due to
732	* an animation), we don't need to call update_position until that actually
733	* comes into view of a player. OTOH, many other things, like addition/removal
734	* of walls or living creatures may need us to update the flags now.
735	* current action are:	662	* current action are:
736	* UP_OBJ_INSERT: op was inserted	663	* UP_OBJ_INSERT: op was inserted
737	* UP_OBJ_REMOVE: op was removed	664	* UP_OBJ_REMOVE: op was removed
738	* 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
739	* 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.
740	* UP_OBJ_FACE: only the objects face has changed.	667	* UP_OBJ_FACE: only the objects face has changed.
741	*/	668	*/
742
743	void	669	void
744	update_object (object *op, int action)	670	update_object (object *op, int action)
745	{	671	{
746	int update_now = 0, flags;
747	MoveType move_on, move_off, move_block, move_slow;
748
749	if (op == NULL)	672	if (op == NULL)
750	{	673	{
751	/* this should never happen */	674	/* this should never happen */
752	LOG (llevDebug, "update_object() called for NULL object.\n");	675	LOG (llevDebug, "update_object() called for NULL object.\n");
753	return;	676	return;
754	}	677	}
755		678
756	if (op->env != NULL)	679	if (op->env)
757	{	680	{
758	/* Animation is currently handled by client, so nothing	681	/* Animation is currently handled by client, so nothing
759	* to do in this case.	682	* to do in this case.
760	*/	683	*/
761	return;	684	return;
…		…
766	*/	689	*/
767	if (!op->map || op->map->in_memory == MAP_SAVING)	690	if (!op->map || op->map->in_memory == MAP_SAVING)
768	return;	691	return;
769		692
770	/* make sure the object is within map boundaries */	693	/* make sure the object is within map boundaries */
771	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)
772	{	695	{
773	LOG (llevError, "update_object() called for object out of map!\n");	696	LOG (llevError, "update_object() called for object out of map!\n");
774	#ifdef MANY_CORES	697	#ifdef MANY_CORES
775	abort ();	698	abort ();
776	#endif	699	#endif
777	return;	700	return;
778	}	701	}
779		702
780	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	703	mapspace &m = op->ms ();
781	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
782	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
783	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
784	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
785	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
786		704
		705	if (!(m.flags_ & P_UPTODATE))
		706	/* nop */;
787	if (action == UP_OBJ_INSERT)	707	else if (action == UP_OBJ_INSERT)
788	{	708	{
		709	// this is likely overkill, TODO: revisit (schmorp)
789	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	710	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
790	update_now = 1;
791
792	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	711	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
793	update_now = 1;	712	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
794		713	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		714	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
795	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	715	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
796	update_now = 1;
797
798	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
799	update_now = 1;
800
801	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
802	update_now = 1;
803
804	if ((move_on | op->move_on) != move_on)	716	|| (m.move_on | op->move_on ) != m.move_on
805	update_now = 1;
806
807	if ((move_off | op->move_off) != move_off)	717	|| (m.move_off | op->move_off ) != m.move_off
808	update_now = 1;	718	|| (m.move_slow | op->move_slow) != m.move_slow
809
810	/* 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
811	* to have move_allow right now.	720	* to have move_allow right now.
812	*/	721	*/
813	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	722	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
814	update_now = 1;	723	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
815		724	m.flags_ = 0;
816	if ((move_slow | op->move_slow) != move_slow)
817	update_now = 1;
818	}	725	}
819	/* if the object is being removed, we can't make intelligent	726	/* if the object is being removed, we can't make intelligent
820	* decisions, because remove_ob can't really pass the object	727	* decisions, because remove_ob can't really pass the object
821	* that is being removed.	728	* that is being removed.
822	*/	729	*/
823	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	730	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
824	update_now = 1;	731	m.flags_ = 0;
825	else if (action == UP_OBJ_FACE)	732	else if (action == UP_OBJ_FACE)
826	/* Nothing to do for that case */ ;	733	/* Nothing to do for that case */ ;
827	else	734	else
828	LOG (llevError, "update_object called with invalid action: %d\n", action);	735	LOG (llevError, "update_object called with invalid action: %d\n", action);
829		736
830	if (update_now)
831	{
832	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
833	update_position (op->map, op->x, op->y);
834	}
835
836	if (op->more != NULL)	737	if (op->more)
837	update_object (op->more, action);	738	update_object (op->more, action);
838	}
839
840	static unordered_vector<object *> mortals;
841	static std::vector<object *> freed;
842
843	void object::free_mortals ()
844	{
845	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();)
846	if ((*i)->refcnt)
847	++i; // further delay freeing
848	else
849	{
850	freed.push_back (*i);//D
851	//delete *i;
852	mortals.erase (i);
853	}
854
855	if (mortals.size())//D
856	LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D
857	}	739	}
858		740
859	object::object ()	741	object::object ()
860	{	742	{
861	SET_FLAG (this, FLAG_REMOVED);	743	SET_FLAG (this, FLAG_REMOVED);
862		744
863	expmul = 1.0;	745	expmul = 1.0;
864	face = blank_face;	746	face = blank_face;
865	attacked_by_count = -1;
866	}	747	}
867		748
868	object::~object ()	749	object::~object ()
869	{	750	{
		751	unlink ();
		752
870	free_key_values (this);	753	free_key_values (this);
871	}	754	}
872		755
		756	static int object_count;
		757
873	void object::link ()	758	void object::link ()
874	{	759	{
		760	assert (!index);//D
		761	uuid = gen_uuid ();
875	count = ++ob_count;	762	count = ++object_count;
876		763
877	prev = 0;	764	refcnt_inc ();
878	next = objects;	765	objects.insert (this);
879
880	if (objects)
881	objects->prev = this;
882
883	objects = this;
884	}	766	}
885		767
886	void object::unlink ()	768	void object::unlink ()
887	{	769	{
888	count = 0;
889
890	/* Remove this object from the list of used objects */
891	if (prev)
892	{
893	prev->next = next;
894	prev = 0;
895	}
896
897	if (next)	770	if (!index)
898	{	771	return;
899	next->prev = prev;	772
900	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)
901	}	828	{
		829	op->flag [flag] = value;
		830	op->set_flag_inv (flag, value);
		831	}
		832	}
902		833
903	if (this == objects)	834	/*
904	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	}
905	}	882	}
906		883
907	object *object::create ()	884	object *object::create ()
908	{	885	{
909	object *op;
910
911	if (freed.empty ())
912	op = new object;	886	object *op = new object;
913	else
914	{
915	// highly annoying, but the only way to get it stable right now
916	op = freed.back ();
917	freed.pop_back ();
918	op->~object ();
919	new ((void *) op) object;
920	}
921
922	op->link ();	887	op->link ();
923	return op;	888	return op;
924	}	889	}
925		890
926	/*	891	void
927	* free_object() frees everything allocated by an object, removes	892	object::do_destroy ()
928	* it from the list of used objects, and puts it on the list of
929	* free objects. The IS_FREED() flag is set in the object.
930	* The object must have been removed by remove_ob() first for
931	* this function to succeed.
932	*
933	* If free_inventory is set, free inventory as well. Else drop items in
934	* inventory to the ground.
935	*/
936	void object::free (bool free_inventory)
937	{	893	{
938	if (QUERY_FLAG (this, FLAG_FREED))	894	attachable::do_destroy ();
		895
		896	if (flag [FLAG_IS_LINKED])
		897	remove_button_link (this);
		898
		899	if (flag [FLAG_FRIENDLY])
		900	remove_friendly_object (this);
		901
		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)
		917	{
		918	freed_map = new maptile;
		919
		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;
		927	}
		928
		929	map = freed_map;
		930	x = 1;
		931	y = 1;
		932	}
		933
		934	if (more)
		935	{
		936	more->destroy ();
		937	more = 0;
		938	}
		939
		940	head = 0;
		941
		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	}
		948
		949	void
		950	object::destroy (bool destroy_inventory)
		951	{
		952	if (destroyed ())
939	return;	953	return;
940		954
941	if (QUERY_FLAG (this, FLAG_FRIENDLY))	955	if (destroy_inventory)
942	remove_friendly_object (this);	956	destroy_inv (false);
943		957
944	if (!QUERY_FLAG (this, FLAG_REMOVED))	958	if (is_head ())
945	remove_ob (this);	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
946		963
947	SET_FLAG (this, FLAG_FREED);	964	attachable::destroy ();
948
949	if (more)
950	{
951	more->free (free_inventory);
952	more = 0;
953	}
954
955	if (inv)
956	{
957	/* Only if the space blocks everything do we not process -
958	* if some form of movement is allowed, let objects
959	* drop on that space.
960	*/
961	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
962	{
963	object *op = inv;
964
965	while (op)
966	{
967	object *tmp = op->below;
968	op->free (free_inventory);
969	op = tmp;
970	}
971	}
972	else
973	{ /* Put objects in inventory onto this space */
974	object *op = inv;
975
976	while (op)
977	{
978	object *tmp = op->below;
979
980	remove_ob (op);
981
982	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
983	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
984	free_object (op);
985	else
986	{
987	op->x = x;
988	op->y = y;
989	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
990	}
991
992	op = tmp;
993	}
994	}
995	}
996
997	owner = 0;
998
999	/* Remove object from the active list */
1000	speed = 0;
1001	update_ob_speed (this);
1002
1003	unlink ();
1004
1005	mortals.push_back (this);
1006	}	965	}
1007		966
1008	/*	967	/*
1009	* sub_weight() recursively (outwards) subtracts a number from the	968	* sub_weight() recursively (outwards) subtracts a number from the
1010	* 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)).
1011	*/	970	*/
1012
1013	void	971	void
1014	sub_weight (object *op, signed long weight)	972	sub_weight (object *op, signed long weight)
1015	{	973	{
1016	while (op != NULL)	974	while (op != NULL)
1017	{	975	{
1018	if (op->type == CONTAINER)	976	if (op->type == CONTAINER)
1019	{
1020	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	977	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1021	}	978
1022	op->carrying -= weight;	979	op->carrying -= weight;
1023	op = op->env;	980	op = op->env;
1024	}	981	}
1025	}	982	}
1026		983
1027	/* remove_ob(op):	984	/* op->remove ():
1028	* 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
1029	* 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
1030	* object will have no environment. If the object previously had an	987	* object will have no environment. If the object previously had an
1031	* environment, the x and y coordinates will be updated to	988	* environment, the x and y coordinates will be updated to
1032	* the previous environment.	989	* the previous environment.
1033	* Beware: This function is called from the editor as well!
1034	*/	990	*/
1035
1036	void	991	void
1037	remove_ob (object *op)	992	object::do_remove ()
1038	{	993	{
		994	object *tmp, *last = 0;
1039	object *	995	object *otmp;
1040	tmp, *
1041	last = NULL;
1042	object *
1043	otmp;
1044		996
1045	tag_t
1046	tag;
1047	int
1048	check_walk_off;
1049	mapstruct *
1050	m;
1051
1052	sint16
1053	x,
1054	y;
1055
1056	if (QUERY_FLAG (op, FLAG_REMOVED))	997	if (QUERY_FLAG (this, FLAG_REMOVED))
1057	return;	998	return;
1058		999
1059	SET_FLAG (op, FLAG_REMOVED);	1000	SET_FLAG (this, FLAG_REMOVED);
		1001	INVOKE_OBJECT (REMOVE, this);
1060		1002
1061	if (op->more != NULL)	1003	if (more)
1062	remove_ob (op->more);	1004	more->remove ();
1063		1005
1064	/*	1006	/*
1065	* In this case, the object to be removed is in someones	1007	* In this case, the object to be removed is in someones
1066	* inventory.	1008	* inventory.
1067	*/	1009	*/
1068	if (op->env != NULL)	1010	if (env)
1069	{	1011	{
1070	if (op->nrof)	1012	if (nrof)
1071	sub_weight (op->env, op->weight * op->nrof);	1013	sub_weight (env, weight * nrof);
1072	else	1014	else
1073	sub_weight (op->env, op->weight + op->carrying);	1015	sub_weight (env, weight + carrying);
1074		1016
1075	/* 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
1076	* made to players inventory. If set, avoiding the call	1018	* made to players inventory. If set, avoiding the call
1077	* to save cpu time.	1019	* to save cpu time.
1078	*/	1020	*/
1079	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))
1080	fix_player (otmp);	1022	otmp->update_stats ();
1081		1023
1082	if (op->above != NULL)	1024	if (above)
1083	op->above->below = op->below;	1025	above->below = below;
1084	else	1026	else
1085	op->env->inv = op->below;	1027	env->inv = below;
1086		1028
1087	if (op->below != NULL)	1029	if (below)
1088	op->below->above = op->above;	1030	below->above = above;
1089		1031
1090	/* we set up values so that it could be inserted into	1032	/* we set up values so that it could be inserted into
1091	* 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
1092	* to the caller to decide what we want to do.	1034	* to the caller to decide what we want to do.
1093	*/	1035	*/
1094	op->x = op->env->x, op->y = op->env->y;	1036	x = env->x, y = env->y;
1095	op->map = op->env->map;	1037	map = env->map;
1096	op->above = NULL, op->below = NULL;	1038	above = 0, below = 0;
1097	op->env = NULL;	1039	env = 0;
1098	}	1040	}
1099	else if (op->map)	1041	else if (map)
1100	{	1042	{
1101	x = op->x;	1043	if (type == PLAYER)
1102	y = op->y;
1103	m = get_map_from_coord (op->map, &x, &y);
1104
1105	if (!m)
1106	{
1107	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1108	op->map->path, op->x, op->y);
1109	/* in old days, we used to set x and y to 0 and continue.
1110	* it seems if we get into this case, something is probablye
1111	* screwed up and should be fixed.
1112	*/
1113	abort ();
1114	}	1044	{
		1045	// leaving a spot always closes any open container on the ground
		1046	if (container && !container->env)
		1047	// this causes spurious floorbox updates, but it ensures
		1048	// that the CLOSE event is being sent.
		1049	close_container ();
1115		1050
1116	if (op->map != m)	1051	--map->players;
1117	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	1052	map->touch ();
1118	op->map->path, m->path, op->x, op->y, x, y);
1119
1120	/* Re did the following section of code - it looks like it had
1121	* lots of logic for things we no longer care about
1122	*/	1053	}
		1054
		1055	map->dirty = true;
		1056	mapspace &ms = this->ms ();
1123		1057
1124	/* link the object above us */	1058	/* link the object above us */
1125	if (op->above)	1059	if (above)
1126	op->above->below = op->below;	1060	above->below = below;
1127	else	1061	else
1128	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1062	ms.top = below; /* we were top, set new top */
1129		1063
1130	/* Relink the object below us, if there is one */	1064	/* Relink the object below us, if there is one */
1131	if (op->below)	1065	if (below)
1132	op->below->above = op->above;	1066	below->above = above;
1133	else	1067	else
1134	{	1068	{
1135	/* 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
1136	* use translated coordinates in case some oddness with map tiling is	1070	* use translated coordinates in case some oddness with map tiling is
1137	* evident	1071	* evident
1138	*/	1072	*/
1139	if (GET_MAP_OB (m, x, y) != op)	1073	if (GET_MAP_OB (map, x, y) != this)
1140	{
1141	dump_object (op);
1142	LOG (llevError,
1143	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", errmsg);	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 ());
1144	dump_object (GET_MAP_OB (m, x, y));	1075
1145	LOG (llevError, "%s\n", errmsg);	1076	ms.bot = above; /* goes on above it. */
1146	}	1077	}
1147		1078
1148	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1149	}
1150
1151	op->above = 0;	1079	above = 0;
1152	op->below = 0;	1080	below = 0;
1153		1081
1154	if (op->map->in_memory == MAP_SAVING)	1082	if (map->in_memory == MAP_SAVING)
1155	return;	1083	return;
1156		1084
1157	tag = op->count;	1085	int check_walk_off = !flag [FLAG_NO_APPLY];
1158	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1159		1086
1160	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1087	if (object *pl = ms.player ())
		1088	{
		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)
1161	{	1100	{
1162	/* No point updating the players look faces if he is the object	1101	/* No point updating the players look faces if he is the object
1163	* being removed.	1102	* being removed.
1164	*/	1103	*/
1165		1104
1166	if (tmp->type == PLAYER && tmp != op)	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))
1167	{	1109	{
1168	/* If a container that the player is currently using somehow gets	1110	move_apply (tmp, this, 0);
1169	* removed (most likely destroyed), update the player view
1170	* appropriately.
1171	*/
1172	if (tmp->container == op)
1173	{
1174	CLEAR_FLAG (op, FLAG_APPLIED);
1175	tmp->container = NULL;
1176	}
1177		1111
1178	tmp->contr->socket.update_look = 1;	1112	if (destroyed ())
		1113	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1179	}	1114	}
1180		1115
1181	/* See if player moving off should effect something */
1182	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1183	{
1184	move_apply (tmp, op, NULL);
1185
1186	if (was_destroyed (op, tag))
1187	{
1188	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);
1189	}
1190	}
1191
1192	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1193
1194	if (tmp->above == tmp)
1195	tmp->above = NULL;
1196
1197	last = tmp;	1116	last = tmp;
1198	}	1117	}
1199		1118
1200	/* last == NULL of there are no objects on this space */	1119	/* last == NULL if there are no objects on this space */
		1120	//TODO: this makes little sense, why only update the topmost object?
1201	if (last == NULL)	1121	if (!last)
1202	{	1122	map->at (x, y).flags_ = 0;
1203	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1204	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1205	* those out anyways, and if there are any flags set right now, they won't
1206	* be correct anyways.
1207	*/
1208	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1209	update_position (op->map, op->x, op->y);
1210	}
1211	else	1123	else
1212	update_object (last, UP_OBJ_REMOVE);	1124	update_object (last, UP_OBJ_REMOVE);
1213		1125
1214	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1126	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1215	update_all_los (op->map, op->x, op->y);	1127	update_all_los (map, x, y);
1216	}	1128	}
1217	}	1129	}
1218		1130
1219	/*	1131	/*
1220	* merge_ob(op,top):	1132	* merge_ob(op,top):
…		…
1222	* This function goes through all objects below and including top, and	1134	* This function goes through all objects below and including top, and
1223	* merges op to the first matching object.	1135	* merges op to the first matching object.
1224	* If top is NULL, it is calculated.	1136	* If top is NULL, it is calculated.
1225	* 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
1226	*/	1138	*/
1227
1228	object *	1139	object *
1229	merge_ob (object *op, object *top)	1140	merge_ob (object *op, object *top)
1230	{	1141	{
1231	if (!op->nrof)	1142	if (!op->nrof)
1232	return 0;	1143	return 0;
1233		1144
1234	if (top == NULL)	1145	if (top)
1235	for (top = op; top != NULL && top->above != NULL; top = top->above);	1146	for (top = op; top && top->above; top = top->above)
		1147	;
1236		1148
1237	for (; top != NULL; top = top->below)	1149	for (; top; top = top->below)
1238	{	1150	{
1239	if (top == op)	1151	if (top == op)
1240	continue;	1152	continue;
1241	if (CAN_MERGE (op, top))	1153
		1154	if (object::can_merge (op, top))
1242	{	1155	{
1243	top->nrof += op->nrof;	1156	top->nrof += op->nrof;
1244		1157
1245	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1158	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1246	op->weight = 0; /* Don't want any adjustements now */	1159	op->weight = 0; /* Don't want any adjustements now */
1247	remove_ob (op);	1160	op->destroy ();
1248	free_object (op);
1249	return top;	1161	return top;
1250	}	1162	}
1251	}	1163	}
1252		1164
1253	return NULL;	1165	return 0;
1254	}	1166	}
1255		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
1256	/*	1191	/*
1257	* 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
1258	* job preparing multi-part monsters	1193	* job preparing multi-part monsters.
1259	*/	1194	*/
1260	object *	1195	object *
1261	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)
1262	{	1197	{
1263	object *tmp;
1264
1265	if (op->head)
1266	op = op->head;
1267
1268	for (tmp = op; tmp; tmp = tmp->more)	1198	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1269	{	1199	{
1270	tmp->x = x + tmp->arch->clone.x;	1200	tmp->x = x + tmp->arch->x;
1271	tmp->y = y + tmp->arch->clone.y;	1201	tmp->y = y + tmp->arch->y;
1272	}	1202	}
1273		1203
1274	return insert_ob_in_map (op, m, originator, flag);	1204	return insert_ob_in_map (op, m, originator, flag);
1275	}	1205	}
1276		1206
…		…
1292	* Return value:	1222	* Return value:
1293	* new object if 'op' was merged with other object	1223	* new object if 'op' was merged with other object
1294	* NULL if 'op' was destroyed	1224	* NULL if 'op' was destroyed
1295	* just 'op' otherwise	1225	* just 'op' otherwise
1296	*/	1226	*/
1297
1298	object *	1227	object *
1299	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)
1300	{	1229	{
		1230	assert (!op->flag [FLAG_FREED]);
		1231
1301	object *tmp, *top, *floor = NULL;	1232	object *top, *floor = NULL;
1302	sint16 x, y;
1303		1233
1304	if (QUERY_FLAG (op, FLAG_FREED))	1234	op->remove ();
1305	{
1306	LOG (llevError, "Trying to insert freed object!\n");
1307	return NULL;
1308	}
1309
1310	if (m == NULL)
1311	{
1312	dump_object (op);
1313	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);
1314	return op;
1315	}
1316
1317	if (out_of_map (m, op->x, op->y))
1318	{
1319	dump_object (op);
1320	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);
1321	#ifdef MANY_CORES
1322	/* Better to catch this here, as otherwise the next use of this object
1323	* is likely to cause a crash. Better to find out where it is getting
1324	* improperly inserted.
1325	*/
1326	abort ();
1327	#endif
1328	return op;
1329	}
1330
1331	if (!QUERY_FLAG (op, FLAG_REMOVED))
1332	{
1333	dump_object (op);
1334	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1335	return op;
1336	}
1337
1338	if (op->more != NULL)
1339	{
1340	/* The part may be on a different map. */
1341
1342	object *more = op->more;
1343
1344	/* We really need the caller to normalize coordinates - if
1345	* we set the map, that doesn't work if the location is within
1346	* a map and this is straddling an edge. So only if coordinate
1347	* is clear wrong do we normalize it.
1348	*/
1349	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1350	more->map = get_map_from_coord (m, &more->x, &more->y);
1351	else if (!more->map)
1352	{
1353	/* For backwards compatibility - when not dealing with tiled maps,
1354	* more->map should always point to the parent.
1355	*/
1356	more->map = m;
1357	}
1358
1359	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1360	{
1361	if (!op->head)
1362	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1363
1364	return NULL;
1365	}
1366	}
1367
1368	CLEAR_FLAG (op, FLAG_REMOVED);
1369		1235
1370	/* Ideally, the caller figures this out. However, it complicates a lot	1236	/* Ideally, the caller figures this out. However, it complicates a lot
1371	* 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
1372	* need extra work	1238	* need extra work
1373	*/	1239	*/
1374	op->map = get_map_from_coord (m, &op->x, &op->y);	1240	if (!xy_normalise (m, op->x, op->y))
1375	x = op->x;	1241	{
1376	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 ();
1377		1254
1378	/* this has to be done after we translate the coordinates.	1255	/* this has to be done after we translate the coordinates.
1379	*/	1256	*/
1380	if (op->nrof && !(flag & INS_NO_MERGE))	1257	if (op->nrof && !(flag & INS_NO_MERGE))
1381	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1258	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1382	if (CAN_MERGE (op, tmp))	1259	if (object::can_merge (op, tmp))
1383	{	1260	{
1384	op->nrof += tmp->nrof;	1261	op->nrof += tmp->nrof;
1385	remove_ob (tmp);	1262	tmp->destroy ();
1386	free_object (tmp);
1387	}	1263	}
1388		1264
1389	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 */
1390	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1266	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1391		1267
…		…
1404	op->below = originator->below;	1280	op->below = originator->below;
1405		1281
1406	if (op->below)	1282	if (op->below)
1407	op->below->above = op;	1283	op->below->above = op;
1408	else	1284	else
1409	SET_MAP_OB (op->map, op->x, op->y, op);	1285	ms.bot = op;
1410		1286
1411	/* since *below* originator, no need to update top */	1287	/* since *below* originator, no need to update top */
1412	originator->below = op;	1288	originator->below = op;
1413	}	1289	}
1414	else	1290	else
1415	{	1291	{
		1292	top = ms.bot;
		1293
1416	/* If there are other objects, then */	1294	/* If there are other objects, then */
1417	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1295	if ((!(flag & INS_MAP_LOAD)) && top)
1418	{	1296	{
1419	object *last = NULL;	1297	object *last = 0;
1420		1298
1421	/*	1299	/*
1422	* 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.
1423	* We've already dealt with merging if appropriate.	1301	* We've already dealt with merging if appropriate.
1424	* 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
…		…
1428	* 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
1429	* 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
1430	* 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
1431	* that flying non pickable objects are spell objects.	1309	* that flying non pickable objects are spell objects.
1432	*/	1310	*/
1433		1311	for (top = ms.bot; top; top = top->above)
1434	while (top != NULL)
1435	{	1312	{
1436	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))
1437	floor = top;	1314	floor = top;
1438		1315
1439	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))
…		…
1442	top = top->below;	1319	top = top->below;
1443	break;	1320	break;
1444	}	1321	}
1445		1322
1446	last = top;	1323	last = top;
1447	top = top->above;
1448	}	1324	}
1449		1325
1450	/* 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 */
1451	top = last;	1327	top = last;
1452		1328
…		…
1454	* looks like instead of lots of conditions here.	1330	* looks like instead of lots of conditions here.
1455	* makes things faster, and effectively the same result.	1331	* makes things faster, and effectively the same result.
1456	*/	1332	*/
1457		1333
1458	/* Have object 'fall below' other objects that block view.	1334	/* Have object 'fall below' other objects that block view.
1459	* Unless those objects are exits, type 66	1335	* Unless those objects are exits.
1460	* If INS_ON_TOP is used, don't do this processing	1336	* If INS_ON_TOP is used, don't do this processing
1461	* Need to find the object that in fact blocks view, otherwise	1337	* Need to find the object that in fact blocks view, otherwise
1462	* stacking is a bit odd.	1338	* stacking is a bit odd.
1463	*/	1339	*/
1464	if (!(flag & INS_ON_TOP) &&	1340	if (!(flag & INS_ON_TOP)
1465	(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))
1466	{	1343	{
1467	for (last = top; last != floor; last = last->below)	1344	for (last = top; last != floor; last = last->below)
1468	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1345	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1469	break;	1346	break;
		1347
1470	/* Check to see if we found the object that blocks view,	1348	/* Check to see if we found the object that blocks view,
1471	* 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
1472	* we can get inserted below this one, which requires we	1350	* we can get inserted below this one, which requires we
1473	* set top to the object below us.	1351	* set top to the object below us.
1474	*/	1352	*/
1475	if (last && last->below && last != floor)	1353	if (last && last->below && last != floor)
1476	top = last->below;	1354	top = last->below;
1477	}	1355	}
1478	} /* If objects on this space */	1356	} /* If objects on this space */
1479
1480	if (flag & INS_MAP_LOAD)	1357	if (flag & INS_MAP_LOAD)
1481	top = GET_MAP_TOP (op->map, op->x, op->y);	1358	top = ms.top;
1482		1359
1483	if (flag & INS_ABOVE_FLOOR_ONLY)	1360	if (flag & INS_ABOVE_FLOOR_ONLY)
1484	top = floor;	1361	top = floor;
1485		1362
1486	/* 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.
1487	*/	1364	*/
1488		1365
1489	/* First object on this space */	1366	/* First object on this space */
1490	if (!top)	1367	if (!top)
1491	{	1368	{
1492	op->above = GET_MAP_OB (op->map, op->x, op->y);	1369	op->above = ms.bot;
1493		1370
1494	if (op->above)	1371	if (op->above)
1495	op->above->below = op;	1372	op->above->below = op;
1496		1373
1497	op->below = NULL;	1374	op->below = 0;
1498	SET_MAP_OB (op->map, op->x, op->y, op);	1375	ms.bot = op;
1499	}	1376	}
1500	else	1377	else
1501	{ /* get inserted into the stack above top */	1378	{ /* get inserted into the stack above top */
1502	op->above = top->above;	1379	op->above = top->above;
1503		1380
…		…
1506		1383
1507	op->below = top;	1384	op->below = top;
1508	top->above = op;	1385	top->above = op;
1509	}	1386	}
1510		1387
1511	if (op->above == NULL)	1388	if (!op->above)
1512	SET_MAP_TOP (op->map, op->x, op->y, op);	1389	ms.top = op;
1513	} /* else not INS_BELOW_ORIGINATOR */	1390	} /* else not INS_BELOW_ORIGINATOR */
1514		1391
1515	if (op->type == PLAYER)	1392	if (op->type == PLAYER)
		1393	{
1516	op->contr->do_los = 1;	1394	op->contr->do_los = 1;
		1395	++op->map->players;
		1396	op->map->touch ();
		1397	}
1517		1398
1518	/* If we have a floor, we know the player, if any, will be above	1399	op->map->dirty = true;
1519	* it, so save a few ticks and start from there.	1400
1520	*/
1521	if (!(flag & INS_MAP_LOAD))	1401	if (!(flag & INS_MAP_LOAD))
1522	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1402	if (object *pl = ms.player ())
1523	if (tmp->type == PLAYER)	1403	pl->contr->ns->floorbox_update ();
1524	tmp->contr->socket.update_look = 1;
1525		1404
1526	/* If this object glows, it may affect lighting conditions that are	1405	/* If this object glows, it may affect lighting conditions that are
1527	* 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
1528	* 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
1529	* on the map will get recalculated. The players could very well	1408	* on the map will get recalculated. The players could very well
1530	* 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 -
1531	* this should get redone to only look for players within range,	1410	* this should get redone to only look for players within range,
1532	* or just updating the P_NEED_UPDATE for spaces within this area	1411	* or just updating the P_UPTODATE for spaces within this area
1533	* of effect may be sufficient.	1412	* of effect may be sufficient.
1534	*/	1413	*/
1535	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1414	if (op->map->darkness && (op->glow_radius != 0))
1536	update_all_los (op->map, op->x, op->y);	1415	update_all_los (op->map, op->x, op->y);
1537		1416
1538	/* updates flags (blocked, alive, no magic, etc) for this map space */	1417	/* updates flags (blocked, alive, no magic, etc) for this map space */
1539	update_object (op, UP_OBJ_INSERT);	1418	update_object (op, UP_OBJ_INSERT);
1540		1419
		1420	INVOKE_OBJECT (INSERT, op);
		1421
1541	/* 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,
1542	* we want to have update_look set above before calling this.	1423	* we want to have floorbox_update called before calling this.
1543	*	1424	*
1544	* check_move_on() must be after this because code called from	1425	* check_move_on() must be after this because code called from
1545	* check_move_on() depends on correct map flags (so functions like	1426	* check_move_on() depends on correct map flags (so functions like
1546	* blocked() and wall() work properly), and these flags are updated by	1427	* blocked() and wall() work properly), and these flags are updated by
1547	* update_object().	1428	* update_object().
1548	*/	1429	*/
1549		1430
1550	/* 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 */
1551	if (!(flag & INS_NO_WALK_ON) && !op->head)	1432	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1552	{	1433	{
1553	if (check_move_on (op, originator))	1434	if (check_move_on (op, originator))
1554	return NULL;	1435	return 0;
1555		1436
1556	/* 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
1557	* walk on's.	1438	* walk on's.
1558	*/	1439	*/
1559	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1440	for (object *tmp = op->more; tmp; tmp = tmp->more)
1560	if (check_move_on (tmp, originator))	1441	if (check_move_on (tmp, originator))
1561	return NULL;	1442	return 0;
1562	}	1443	}
1563		1444
1564	return op;	1445	return op;
1565	}	1446	}
1566		1447
1567	/* this function inserts an object in the map, but if it	1448	/* this function inserts an object in the map, but if it
1568	* 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.
1569	* 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.
1570	*/	1451	*/
1571	void	1452	void
1572	replace_insert_ob_in_map (const char *arch_string, object *op)	1453	replace_insert_ob_in_map (const char *arch_string, object *op)
1573	{	1454	{
1574	object *	1455	object *tmp, *tmp1;
1575	tmp;
1576	object *
1577	tmp1;
1578		1456
1579	/* first search for itself and remove any old instances */	1457	/* first search for itself and remove any old instances */
1580		1458
1581	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)
1582	{
1583	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1460	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1584	{	1461	tmp->destroy ();
1585	remove_ob (tmp);
1586	free_object (tmp);
1587	}
1588	}
1589		1462
1590	tmp1 = arch_to_object (find_archetype (arch_string));	1463	tmp1 = arch_to_object (archetype::find (arch_string));
1591		1464
1592	tmp1->x = op->x;	1465	tmp1->x = op->x;
1593	tmp1->y = op->y;	1466	tmp1->y = op->y;
1594	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);
1595	}	1474	}
1596		1475
1597	/*	1476	/*
1598	* 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
1599	* is returned contains nr objects, and the remaining parts contains	1478	* is returned contains nr objects, and the remaining parts contains
1600	* 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).
1601	* On failure, NULL is returned, and the reason put into the	1480	* On failure, NULL is returned, and the reason put into the
1602	* global static errmsg array.	1481	* global static errmsg array.
1603	*/	1482	*/
1604
1605	object *	1483	object *
1606	get_split_ob (object *orig_ob, uint32 nr)	1484	get_split_ob (object *orig_ob, uint32 nr)
1607	{	1485	{
1608	object *	1486	object *newob;
1609	newob;
1610	int
1611	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1487	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1612		1488
1613	if (orig_ob->nrof < nr)	1489	if (orig_ob->nrof < nr)
1614	{	1490	{
1615	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);
1616	return NULL;	1492	return NULL;
1617	}	1493	}
1618		1494
1619	newob = object_create_clone (orig_ob);	1495	newob = object_create_clone (orig_ob);
1620		1496
1621	if ((orig_ob->nrof -= nr) < 1)	1497	if ((orig_ob->nrof -= nr) < 1)
1622	{	1498	orig_ob->destroy (1);
1623	if (!is_removed)
1624	remove_ob (orig_ob);
1625	free_object2 (orig_ob, 1);
1626	}
1627	else if (!is_removed)	1499	else if (!is_removed)
1628	{	1500	{
1629	if (orig_ob->env != NULL)	1501	if (orig_ob->env != NULL)
1630	sub_weight (orig_ob->env, orig_ob->weight * nr);	1502	sub_weight (orig_ob->env, orig_ob->weight * nr);
1631	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)
…		…
1646	* 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
1647	* is subsequently removed and freed.	1519	* is subsequently removed and freed.
1648	*	1520	*
1649	* 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
1650	*/	1522	*/
1651
1652	object *	1523	object *
1653	decrease_ob_nr (object *op, uint32 i)	1524	decrease_ob_nr (object *op, uint32 i)
1654	{	1525	{
1655	object *tmp;	1526	object *tmp;
1656	player *pl;
1657		1527
1658	if (i == 0) /* objects with op->nrof require this check */	1528	if (i == 0) /* objects with op->nrof require this check */
1659	return op;	1529	return op;
1660		1530
1661	if (i > op->nrof)	1531	if (i > op->nrof)
1662	i = op->nrof;	1532	i = op->nrof;
1663		1533
1664	if (QUERY_FLAG (op, FLAG_REMOVED))	1534	if (QUERY_FLAG (op, FLAG_REMOVED))
1665	op->nrof -= i;	1535	op->nrof -= i;
1666	else if (op->env != NULL)	1536	else if (op->env)
1667	{	1537	{
1668	/* is this object in the players inventory, or sub container	1538	/* is this object in the players inventory, or sub container
1669	* therein?	1539	* therein?
1670	*/	1540	*/
1671	tmp = is_player_inv (op->env);	1541	tmp = op->in_player ();
1672	/* nope. Is this a container the player has opened?	1542	/* nope. Is this a container the player has opened?
1673	* If so, set tmp to that player.	1543	* If so, set tmp to that player.
1674	* IMO, searching through all the players will mostly	1544	* IMO, searching through all the players will mostly
1675	* likely be quicker than following op->env to the map,	1545	* likely be quicker than following op->env to the map,
1676	* and then searching the map for a player.	1546	* and then searching the map for a player.
1677	*/	1547	*/
1678	if (!tmp)	1548	if (!tmp)
1679	{	1549	for_all_players (pl)
1680	for (pl = first_player; pl; pl = pl->next)
1681	if (pl->ob->container == op->env)	1550	if (pl->ob->container == op->env)
		1551	{
		1552	tmp = pl->ob;
1682	break;	1553	break;
1683	if (pl)
1684	tmp = pl->ob;
1685	else
1686	tmp = NULL;
1687	}	1554	}
1688		1555
1689	if (i < op->nrof)	1556	if (i < op->nrof)
1690	{	1557	{
1691	sub_weight (op->env, op->weight * i);	1558	sub_weight (op->env, op->weight * i);
1692	op->nrof -= i;	1559	op->nrof -= i;
1693	if (tmp)	1560	if (tmp)
1694	{
1695	esrv_send_item (tmp, op);	1561	esrv_send_item (tmp, op);
1696	}
1697	}	1562	}
1698	else	1563	else
1699	{	1564	{
1700	remove_ob (op);	1565	op->remove ();
1701	op->nrof = 0;	1566	op->nrof = 0;
1702	if (tmp)	1567	if (tmp)
1703	{
1704	esrv_del_item (tmp->contr, op->count);	1568	esrv_del_item (tmp->contr, op->count);
1705	}
1706	}	1569	}
1707	}	1570	}
1708	else	1571	else
1709	{	1572	{
1710	object *above = op->above;	1573	object *above = op->above;
1711		1574
1712	if (i < op->nrof)	1575	if (i < op->nrof)
1713	op->nrof -= i;	1576	op->nrof -= i;
1714	else	1577	else
1715	{	1578	{
1716	remove_ob (op);	1579	op->remove ();
1717	op->nrof = 0;	1580	op->nrof = 0;
1718	}	1581	}
1719		1582
1720	/* Since we just removed op, op->above is null */	1583	/* Since we just removed op, op->above is null */
1721	for (tmp = above; tmp != NULL; tmp = tmp->above)	1584	for (tmp = above; tmp; tmp = tmp->above)
1722	if (tmp->type == PLAYER)	1585	if (tmp->type == PLAYER)
1723	{	1586	{
1724	if (op->nrof)	1587	if (op->nrof)
1725	esrv_send_item (tmp, op);	1588	esrv_send_item (tmp, op);
1726	else	1589	else
…		…
1730		1593
1731	if (op->nrof)	1594	if (op->nrof)
1732	return op;	1595	return op;
1733	else	1596	else
1734	{	1597	{
1735	free_object (op);	1598	op->destroy ();
1736	return NULL;	1599	return 0;
1737	}	1600	}
1738	}	1601	}
1739		1602
1740	/*	1603	/*
1741	* add_weight(object, weight) adds the specified weight to an object,	1604	* add_weight(object, weight) adds the specified weight to an object,
1742	* and also updates how much the environment(s) is/are carrying.	1605	* and also updates how much the environment(s) is/are carrying.
1743	*/	1606	*/
1744
1745	void	1607	void
1746	add_weight (object *op, signed long weight)	1608	add_weight (object *op, signed long weight)
1747	{	1609	{
1748	while (op != NULL)	1610	while (op != NULL)
1749	{	1611	{
…		…
1753	op->carrying += weight;	1615	op->carrying += weight;
1754	op = op->env;	1616	op = op->env;
1755	}	1617	}
1756	}	1618	}
1757		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
1758	/*	1640	/*
1759	* insert_ob_in_ob(op,environment):	1641	* env->insert (op)
1760	* This function inserts the object op in the linked list	1642	* This function inserts the object op in the linked list
1761	* inside the object environment.	1643	* inside the object environment.
1762	*	1644	*
1763	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1764	* the inventory at the last position or next to other objects of the same
1765	* type.
1766	* Frank: Now sorted by type, archetype and magic!
1767	*
1768	* 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
1769	* be != op, if items are merged. -Tero	1646	* be != op, if items are merged. -Tero
1770	*/	1647	*/
1771
1772	object *	1648	object *
1773	insert_ob_in_ob (object *op, object *where)	1649	object::insert (object *op)
1774	{	1650	{
1775	object *
1776	tmp, *
1777	otmp;
1778
1779	if (!QUERY_FLAG (op, FLAG_REMOVED))	1651	if (!QUERY_FLAG (op, FLAG_REMOVED))
1780	{	1652	op->remove ();
1781	dump_object (op);
1782	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1783	return op;
1784	}
1785
1786	if (where == NULL)
1787	{
1788	dump_object (op);
1789	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1790	return op;
1791	}
1792
1793	if (where->head)
1794	{
1795	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1796	where = where->head;
1797	}
1798		1653
1799	if (op->more)	1654	if (op->more)
1800	{	1655	{
1801	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);
1802	return op;	1657	return op;
1803	}	1658	}
1804		1659
1805	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1660	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1806	CLEAR_FLAG (op, FLAG_REMOVED);	1661	CLEAR_FLAG (op, FLAG_REMOVED);
		1662
1807	if (op->nrof)	1663	if (op->nrof)
1808	{	1664	{
1809	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1665	for (object *tmp = inv; tmp; tmp = tmp->below)
1810	if (CAN_MERGE (tmp, op))	1666	if (object::can_merge (tmp, op))
1811	{	1667	{
1812	/* return the original object and remove inserted object	1668	/* return the original object and remove inserted object
1813	(client needs the original object) */	1669	(client needs the original object) */
1814	tmp->nrof += op->nrof;	1670	tmp->nrof += op->nrof;
1815	/* Weight handling gets pretty funky. Since we are adding to	1671	/* Weight handling gets pretty funky. Since we are adding to
1816	* tmp->nrof, we need to increase the weight.	1672	* tmp->nrof, we need to increase the weight.
1817	*/	1673	*/
1818	add_weight (where, op->weight * op->nrof);	1674	add_weight (this, op->weight * op->nrof);
1819	SET_FLAG (op, FLAG_REMOVED);	1675	SET_FLAG (op, FLAG_REMOVED);
1820	free_object (op); /* free the inserted object */	1676	op->destroy (); /* free the inserted object */
1821	op = tmp;	1677	op = tmp;
1822	remove_ob (op); /* and fix old object's links */	1678	op->remove (); /* and fix old object's links */
1823	CLEAR_FLAG (op, FLAG_REMOVED);	1679	CLEAR_FLAG (op, FLAG_REMOVED);
1824	break;	1680	break;
1825	}	1681	}
1826		1682
1827	/* I assume combined objects have no inventory	1683	/* I assume combined objects have no inventory
1828	* We add the weight - this object could have just been removed	1684	* We add the weight - this object could have just been removed
1829	* (if it was possible to merge). calling remove_ob will subtract	1685	* (if it was possible to merge). calling remove_ob will subtract
1830	* 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
1831	* the linking below	1687	* the linking below
1832	*/	1688	*/
1833	add_weight (where, op->weight * op->nrof);	1689	add_weight (this, op->weight * op->nrof);
1834	}	1690	}
1835	else	1691	else
1836	add_weight (where, (op->weight + op->carrying));	1692	add_weight (this, (op->weight + op->carrying));
1837		1693
1838	otmp = is_player_inv (where);	1694	if (object *otmp = this->in_player ())
1839	if (otmp && otmp->contr != NULL)
1840	{
1841	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1695	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1842	fix_player (otmp);	1696	otmp->update_stats ();
1843	}
1844		1697
		1698	op->owner = 0; // its his/hers now. period.
1845	op->map = NULL;	1699	op->map = 0;
1846	op->env = where;	1700	op->env = this;
1847	op->above = NULL;	1701	op->above = 0;
1848	op->below = NULL;	1702	op->below = 0;
1849	op->x = 0, op->y = 0;	1703	op->x = op->y = 0;
1850		1704
1851	/* 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 */
1852	if ((op->glow_radius != 0) && where->map)	1706	if (op->glow_radius && map)
1853	{	1707	{
1854	#ifdef DEBUG_LIGHTS	1708	#ifdef DEBUG_LIGHTS
1855	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);
1856	#endif /* DEBUG_LIGHTS */	1710	#endif /* DEBUG_LIGHTS */
1857	if (MAP_DARKNESS (where->map))	1711	if (map->darkness)
1858	update_all_los (where->map, where->x, where->y);	1712	update_all_los (map, x, y);
1859	}	1713	}
1860		1714
1861	/* 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.
1862	* It sure simplifies this function...	1716	* It sure simplifies this function...
1863	*/	1717	*/
1864	if (where->inv == NULL)	1718	if (!inv)
1865	where->inv = op;	1719	inv = op;
1866	else	1720	else
1867	{	1721	{
1868	op->below = where->inv;	1722	op->below = inv;
1869	op->below->above = op;	1723	op->below->above = op;
1870	where->inv = op;	1724	inv = op;
1871	}	1725	}
		1726
		1727	INVOKE_OBJECT (INSERT, this);
		1728
1872	return op;	1729	return op;
1873	}	1730	}
1874		1731
1875	/*	1732	/*
1876	* Checks if any objects has a move_type that matches objects	1733	* Checks if any objects has a move_type that matches objects
…		…
1890	*	1747	*
1891	* 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
1892	* 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
1893	* on top.	1750	* on top.
1894	*/	1751	*/
1895
1896	int	1752	int
1897	check_move_on (object *op, object *originator)	1753	check_move_on (object *op, object *originator)
1898	{	1754	{
1899	object *	1755	object *tmp;
1900	tmp;	1756	maptile *m = op->map;
1901	tag_t
1902	tag;
1903	mapstruct *
1904	m = op->map;
1905	int
1906	x = op->x, y = op->y;	1757	int x = op->x, y = op->y;
1907		1758
1908	MoveType	1759	MoveType move_on, move_slow, move_block;
1909	move_on,
1910	move_slow,
1911	move_block;
1912		1760
1913	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1761	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1914	return 0;	1762	return 0;
1915
1916	tag = op->count;
1917		1763
1918	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);
1919	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);
1920	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);
1921		1767
…		…
1937		1783
1938	/* The objects have to be checked from top to bottom.	1784	/* The objects have to be checked from top to bottom.
1939	* Hence, we first go to the top:	1785	* Hence, we first go to the top:
1940	*/	1786	*/
1941		1787
1942	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)
1943	{	1789	{
1944	/* Trim the search when we find the first other spell effect	1790	/* Trim the search when we find the first other spell effect
1945	* 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,
1946	* we don't need to check all of them.	1792	* we don't need to check all of them.
1947	*/	1793	*/
…		…
1965	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1811	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1966	((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))
1967	{	1813	{
1968		1814
1969	float	1815	float
1970	diff = tmp->move_slow_penalty * FABS (op->speed);	1816	diff = tmp->move_slow_penalty * fabs (op->speed);
1971		1817
1972	if (op->type == PLAYER)	1818	if (op->type == PLAYER)
1973	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)) ||
1974	(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)))
1975	diff /= 4.0;	1821	diff /= 4.0;
…		…
1982	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1828	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1983	((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))
1984	{	1830	{
1985	move_apply (tmp, op, originator);	1831	move_apply (tmp, op, originator);
1986		1832
1987	if (was_destroyed (op, tag))	1833	if (op->destroyed ())
1988	return 1;	1834	return 1;
1989		1835
1990	/* what the person/creature stepped onto has moved the object	1836	/* what the person/creature stepped onto has moved the object
1991	* someplace new. Don't process any further - if we did,	1837	* someplace new. Don't process any further - if we did,
1992	* have a feeling strange problems would result.	1838	* have a feeling strange problems would result.
…		…
2002	/*	1848	/*
2003	* present_arch(arch, map, x, y) searches for any objects with	1849	* present_arch(arch, map, x, y) searches for any objects with
2004	* a matching archetype at the given map and coordinates.	1850	* a matching archetype at the given map and coordinates.
2005	* The first matching object is returned, or NULL if none.	1851	* The first matching object is returned, or NULL if none.
2006	*/	1852	*/
2007
2008	object *	1853	object *
2009	present_arch (const archetype *at, mapstruct *m, int x, int y)	1854	present_arch (const archetype *at, maptile *m, int x, int y)
2010	{	1855	{
2011	object *
2012	tmp;
2013
2014	if (m == NULL || out_of_map (m, x, y))	1856	if (!m || out_of_map (m, x, y))
2015	{	1857	{
2016	LOG (llevError, "Present_arch called outside map.\n");	1858	LOG (llevError, "Present_arch called outside map.\n");
2017	return NULL;	1859	return NULL;
2018	}	1860	}
2019	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)
2020	if (tmp->arch == at)	1863	if (tmp->arch == at)
2021	return tmp;	1864	return tmp;
		1865
2022	return NULL;	1866	return NULL;
2023	}	1867	}
2024		1868
2025	/*	1869	/*
2026	* present(type, map, x, y) searches for any objects with	1870	* present(type, map, x, y) searches for any objects with
2027	* a matching type variable at the given map and coordinates.	1871	* a matching type variable at the given map and coordinates.
2028	* The first matching object is returned, or NULL if none.	1872	* The first matching object is returned, or NULL if none.
2029	*/	1873	*/
2030
2031	object *	1874	object *
2032	present (unsigned char type, mapstruct *m, int x, int y)	1875	present (unsigned char type, maptile *m, int x, int y)
2033	{	1876	{
2034	object *
2035	tmp;
2036
2037	if (out_of_map (m, x, y))	1877	if (out_of_map (m, x, y))
2038	{	1878	{
2039	LOG (llevError, "Present called outside map.\n");	1879	LOG (llevError, "Present called outside map.\n");
2040	return NULL;	1880	return NULL;
2041	}	1881	}
2042	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)
2043	if (tmp->type == type)	1884	if (tmp->type == type)
2044	return tmp;	1885	return tmp;
		1886
2045	return NULL;	1887	return NULL;
2046	}	1888	}
2047		1889
2048	/*	1890	/*
2049	* present_in_ob(type, object) searches for any objects with	1891	* present_in_ob(type, object) searches for any objects with
2050	* a matching type variable in the inventory of the given object.	1892	* a matching type variable in the inventory of the given object.
2051	* The first matching object is returned, or NULL if none.	1893	* The first matching object is returned, or NULL if none.
2052	*/	1894	*/
2053
2054	object *	1895	object *
2055	present_in_ob (unsigned char type, const object *op)	1896	present_in_ob (unsigned char type, const object *op)
2056	{	1897	{
2057	object *
2058	tmp;
2059
2060	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1898	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2061	if (tmp->type == type)	1899	if (tmp->type == type)
2062	return tmp;	1900	return tmp;
		1901
2063	return NULL;	1902	return NULL;
2064	}	1903	}
2065		1904
2066	/*	1905	/*
2067	* present_in_ob (type, str, object) searches for any objects with	1906	* present_in_ob (type, str, object) searches for any objects with
…		…
2075	* 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
2076	* 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
2077	* 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
2078	* to be unique.	1917	* to be unique.
2079	*/	1918	*/
2080
2081	object *	1919	object *
2082	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)
2083	{	1921	{
2084	object *
2085	tmp;
2086
2087	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1922	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2088	{
2089	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1923	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2090	return tmp;	1924	return tmp;
2091	}	1925
2092	return NULL;	1926	return 0;
2093	}	1927	}
2094		1928
2095	/*	1929	/*
2096	* present_arch_in_ob(archetype, object) searches for any objects with	1930	* present_arch_in_ob(archetype, object) searches for any objects with
2097	* a matching archetype in the inventory of the given object.	1931	* a matching archetype in the inventory of the given object.
2098	* The first matching object is returned, or NULL if none.	1932	* The first matching object is returned, or NULL if none.
2099	*/	1933	*/
2100
2101	object *	1934	object *
2102	present_arch_in_ob (const archetype *at, const object *op)	1935	present_arch_in_ob (const archetype *at, const object *op)
2103	{	1936	{
2104	object *
2105	tmp;
2106
2107	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1937	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2108	if (tmp->arch == at)	1938	if (tmp->arch == at)
2109	return tmp;	1939	return tmp;
		1940
2110	return NULL;	1941	return NULL;
2111	}	1942	}
2112		1943
2113	/*	1944	/*
2114	* activate recursively a flag on an object inventory	1945	* activate recursively a flag on an object inventory
2115	*/	1946	*/
2116	void	1947	void
2117	flag_inv (object *op, int flag)	1948	flag_inv (object *op, int flag)
2118	{	1949	{
2119	object *
2120	tmp;
2121
2122	if (op->inv)	1950	if (op->inv)
2123	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1951	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2124	{	1952	{
2125	SET_FLAG (tmp, flag);	1953	SET_FLAG (tmp, flag);
2126	flag_inv (tmp, flag);	1954	flag_inv (tmp, flag);
2127	}	1955	}
2128	} /*	1956	}
		1957
		1958	/*
2129	* desactivate recursively a flag on an object inventory	1959	* deactivate recursively a flag on an object inventory
2130	*/	1960	*/
2131	void	1961	void
2132	unflag_inv (object *op, int flag)	1962	unflag_inv (object *op, int flag)
2133	{	1963	{
2134	object *
2135	tmp;
2136
2137	if (op->inv)	1964	if (op->inv)
2138	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1965	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2139	{	1966	{
2140	CLEAR_FLAG (tmp, flag);	1967	CLEAR_FLAG (tmp, flag);
2141	unflag_inv (tmp, flag);	1968	unflag_inv (tmp, flag);
2142	}	1969	}
2143	}
2144
2145	/*
2146	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2147	* all it's inventory (recursively).
2148	* If checksums are used, a player will get set_cheat called for
2149	* him/her-self and all object carried by a call to this function.
2150	*/
2151
2152	void
2153	set_cheat (object *op)
2154	{
2155	SET_FLAG (op, FLAG_WAS_WIZ);
2156	flag_inv (op, FLAG_WAS_WIZ);
2157	}	1970	}
2158		1971
2159	/*	1972	/*
2160	* 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
2161	* 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
…		…
2175	* 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
2176	* 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
2177	* 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
2178	* customized, changed states, etc.	1991	* customized, changed states, etc.
2179	*/	1992	*/
2180
2181	int	1993	int
2182	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)
2183	{	1995	{
2184	int
2185	i,
2186	index = 0, flag;	1996	int index = 0, flag;
2187	static int
2188	altern[SIZEOFFREE];	1997	int altern[SIZEOFFREE];
2189		1998
2190	for (i = start; i < stop; i++)	1999	for (int i = start; i < stop; i++)
2191	{	2000	{
2192	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2001	mapxy pos (m, x, y); pos.move (i);
2193	if (!flag)	2002
2194	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;
2195		2015
2196	/* 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.
2197	* 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.
2198	* 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 -
2199	* 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
2200	* 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
2201	* to only the spaces immediately surrounding the target area, and	2021	* to only the spaces immediately surrounding the target area, and
2202	* won't look 2 spaces south of the target space.	2022	* won't look 2 spaces south of the target space.
2203	*/	2023	*/
2204	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2024	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2025	{
2205	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;
2206	}	2037	}
		2038
2207	if (!index)	2039	if (!index)
2208	return -1;	2040	return -1;
		2041
2209	return altern[RANDOM () % index];	2042	return altern [rndm (index)];
2210	}	2043	}
2211		2044
2212	/*	2045	/*
2213	* find_first_free_spot(archetype, mapstruct, x, y) works like	2046	* find_first_free_spot(archetype, maptile, x, y) works like
2214	* find_free_spot(), but it will search max number of squares.	2047	* find_free_spot(), but it will search max number of squares.
2215	* 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.
2216	* 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.
2217	*/	2050	*/
2218
2219	int	2051	int
2220	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)
2221	{	2053	{
2222	int
2223	i;
2224
2225	for (i = 0; i < SIZEOFFREE; i++)	2054	for (int i = 0; i < SIZEOFFREE; i++)
2226	{
2227	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]))
2228	return i;	2056	return i;
2229	}	2057
2230	return -1;	2058	return -1;
2231	}	2059	}
2232		2060
2233	/*	2061	/*
2234	* The function permute(arr, begin, end) randomly reorders the array	2062	* The function permute(arr, begin, end) randomly reorders the array
2235	* arr[begin..end-1].	2063	* arr[begin..end-1].
		2064	* now uses a fisher-yates shuffle, old permute was broken
2236	*/	2065	*/
2237	static void	2066	static void
2238	permute (int *arr, int begin, int end)	2067	permute (int *arr, int begin, int end)
2239	{	2068	{
2240	int	2069	arr += begin;
2241	i,
2242	j,
2243	tmp,
2244	len;
2245
2246	len = end - begin;	2070	end -= begin;
2247	for (i = begin; i < end; i++)
2248	{
2249	j = begin + RANDOM () % len;
2250		2071
2251	tmp = arr[i];	2072	while (--end)
2252	arr[i] = arr[j];	2073	swap (arr [end], arr [rndm (end + 1)]);
2253	arr[j] = tmp;
2254	}
2255	}	2074	}
2256		2075
2257	/* new function to make monster searching more efficient, and effective!	2076	/* new function to make monster searching more efficient, and effective!
2258	* This basically returns a randomized array (in the passed pointer) of	2077	* This basically returns a randomized array (in the passed pointer) of
2259	* 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
…		…
2262	* 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.
2263	*/	2082	*/
2264	void	2083	void
2265	get_search_arr (int *search_arr)	2084	get_search_arr (int *search_arr)
2266	{	2085	{
2267	int	2086	int i;
2268	i;
2269		2087
2270	for (i = 0; i < SIZEOFFREE; i++)	2088	for (i = 0; i < SIZEOFFREE; i++)
2271	{
2272	search_arr[i] = i;	2089	search_arr[i] = i;
2273	}
2274		2090
2275	permute (search_arr, 1, SIZEOFFREE1 + 1);	2091	permute (search_arr, 1, SIZEOFFREE1 + 1);
2276	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2092	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2277	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2093	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2278	}	2094	}
…		…
2287	* Perhaps incorrectly, but I'm making the assumption that exclude	2103	* Perhaps incorrectly, but I'm making the assumption that exclude
2288	* 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
2289	* 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
2290	* there is capable of.	2106	* there is capable of.
2291	*/	2107	*/
2292
2293	int	2108	int
2294	find_dir (mapstruct *m, int x, int y, object *exclude)	2109	find_dir (maptile *m, int x, int y, object *exclude)
2295	{	2110	{
2296	int
2297	i,
2298	max = SIZEOFFREE, mflags;	2111	int i, max = SIZEOFFREE, mflags;
2299		2112
2300	sint16 nx, ny;	2113	sint16 nx, ny;
2301	object *	2114	object *tmp;
2302	tmp;	2115	maptile *mp;
2303	mapstruct *
2304	mp;
2305		2116
2306	MoveType blocked, move_type;	2117	MoveType blocked, move_type;
2307		2118
2308	if (exclude && exclude->head)	2119	if (exclude && exclude->head_ () != exclude)
2309	{	2120	{
2310	exclude = exclude->head;	2121	exclude = exclude->head;
2311	move_type = exclude->move_type;	2122	move_type = exclude->move_type;
2312	}	2123	}
2313	else	2124	else
…		…
2321	mp = m;	2132	mp = m;
2322	nx = x + freearr_x[i];	2133	nx = x + freearr_x[i];
2323	ny = y + freearr_y[i];	2134	ny = y + freearr_y[i];
2324		2135
2325	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2136	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2137
2326	if (mflags & P_OUT_OF_MAP)	2138	if (mflags & P_OUT_OF_MAP)
2327	{
2328	max = maxfree[i];	2139	max = maxfree[i];
2329	}
2330	else	2140	else
2331	{	2141	{
2332	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2142	mapspace &ms = mp->at (nx, ny);
		2143
		2144	blocked = ms.move_block;
2333		2145
2334	if ((move_type & blocked) == move_type)	2146	if ((move_type & blocked) == move_type)
2335	{
2336	max = maxfree[i];	2147	max = maxfree[i];
2337	}
2338	else if (mflags & P_IS_ALIVE)	2148	else if (mflags & P_IS_ALIVE)
2339	{	2149	{
2340	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2150	for (tmp = ms.bot; tmp; tmp = tmp->above)
2341	{	2151	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2342	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)))
2343	{
2344	break;	2153	break;
2345	}	2154
2346	}
2347	if (tmp)	2155	if (tmp)
2348	{
2349	return freedir[i];	2156	return freedir[i];
2350	}
2351	}	2157	}
2352	}	2158	}
2353	}	2159	}
		2160
2354	return 0;	2161	return 0;
2355	}	2162	}
2356		2163
2357	/*	2164	/*
2358	* distance(object 1, object 2) will return the square of the	2165	* distance(object 1, object 2) will return the square of the
2359	* distance between the two given objects.	2166	* distance between the two given objects.
2360	*/	2167	*/
2361
2362	int	2168	int
2363	distance (const object *ob1, const object *ob2)	2169	distance (const object *ob1, const object *ob2)
2364	{	2170	{
2365	int
2366	i;
2367
2368	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);
2369	return i;
2370	}	2172	}
2371		2173
2372	/*	2174	/*
2373	* 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
2374	* 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
2375	* object, needs to travel toward it.	2177	* object, needs to travel toward it.
2376	*/	2178	*/
2377
2378	int	2179	int
2379	find_dir_2 (int x, int y)	2180	find_dir_2 (int x, int y)
2380	{	2181	{
2381	int	2182	int q;
2382	q;
2383		2183
2384	if (y)	2184	if (y)
2385	q = x * 100 / y;	2185	q = x * 100 / y;
2386	else if (x)	2186	else if (x)
2387	q = -300 * x;	2187	q = -300 * x;
…		…
2412		2212
2413	return 3;	2213	return 3;
2414	}	2214	}
2415		2215
2416	/*	2216	/*
2417	* absdir(int): Returns a number between 1 and 8, which represent
2418	* the "absolute" direction of a number (it actually takes care of
2419	* "overflow" in previous calculations of a direction).
2420	*/
2421
2422	int
2423	absdir (int d)
2424	{
2425	while (d < 1)
2426	d += 8;
2427	while (d > 8)
2428	d -= 8;
2429	return d;
2430	}
2431
2432	/*
2433	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2217	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2434	* between two directions (which are expected to be absolute (see absdir())	2218	* between two directions (which are expected to be absolute (see absdir())
2435	*/	2219	*/
2436
2437	int	2220	int
2438	dirdiff (int dir1, int dir2)	2221	dirdiff (int dir1, int dir2)
2439	{	2222	{
2440	int	2223	int d;
2441	d;
2442		2224
2443	d = abs (dir1 - dir2);	2225	d = abs (dir1 - dir2);
2444	if (d > 4)	2226	if (d > 4)
2445	d = 8 - d;	2227	d = 8 - d;
		2228
2446	return d;	2229	return d;
2447	}	2230	}
2448		2231
2449	/* peterm:	2232	/* peterm:
2450	* 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.
…		…
2453	* 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
2454	* 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.
2455	* 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
2456	* functions.	2239	* functions.
2457	*/	2240	*/
2458
2459	int
2460	reduction_dir[SIZEOFFREE][3] = {	2241	int reduction_dir[SIZEOFFREE][3] = {
2461	{0, 0, 0}, /* 0 */	2242	{0, 0, 0}, /* 0 */
2462	{0, 0, 0}, /* 1 */	2243	{0, 0, 0}, /* 1 */
2463	{0, 0, 0}, /* 2 */	2244	{0, 0, 0}, /* 2 */
2464	{0, 0, 0}, /* 3 */	2245	{0, 0, 0}, /* 3 */
2465	{0, 0, 0}, /* 4 */	2246	{0, 0, 0}, /* 4 */
…		…
2513	* find a path to that monster that we found. If not,	2294	* find a path to that monster that we found. If not,
2514	* we don't bother going toward it. Returns 1 if we	2295	* we don't bother going toward it. Returns 1 if we
2515	* can see a direct way to get it	2296	* can see a direct way to get it
2516	* Modified to be map tile aware -.MSW	2297	* Modified to be map tile aware -.MSW
2517	*/	2298	*/
2518
2519
2520	int	2299	int
2521	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2300	can_see_monsterP (maptile *m, int x, int y, int dir)
2522	{	2301	{
2523	sint16 dx, dy;	2302	sint16 dx, dy;
2524	int
2525	mflags;	2303	int mflags;
2526		2304
2527	if (dir < 0)	2305	if (dir < 0)
2528	return 0; /* exit condition: invalid direction */	2306	return 0; /* exit condition: invalid direction */
2529		2307
2530	dx = x + freearr_x[dir];	2308	dx = x + freearr_x[dir];
…		…
2543	return 0;	2321	return 0;
2544		2322
2545	/* yes, can see. */	2323	/* yes, can see. */
2546	if (dir < 9)	2324	if (dir < 9)
2547	return 1;	2325	return 1;
		2326
2548	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2327	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2549	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]);
2550	}	2330	}
2551
2552
2553		2331
2554	/*	2332	/*
2555	* 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
2556	* picked up by the picker. Returnes 1 if it can be	2334	* picked up by the picker. Returnes 1 if it can be
2557	* picked up, otherwise 0.	2335	* picked up, otherwise 0.
…		…
2559	* 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
2560	* core dumps if they do.	2338	* core dumps if they do.
2561	*	2339	*
2562	* 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)
2563	*/	2341	*/
2564
2565	int	2342	int
2566	can_pick (const object *who, const object *item)	2343	can_pick (const object *who, const object *item)
2567	{	2344	{
2568	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2345	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2569	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2346	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2570	!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));
2571	}	2348	}
2572		2349
2573
2574	/*	2350	/*
2575	* create clone from object to another	2351	* create clone from object to another
2576	*/	2352	*/
2577	object *	2353	object *
2578	object_create_clone (object *asrc)	2354	object_create_clone (object *asrc)
2579	{	2355	{
2580	object *
2581	dst = NULL, *tmp, *src, *part, *prev, *item;	2356	object *dst = 0, *tmp, *src, *prev, *item;
2582		2357
2583	if (!asrc)	2358	if (!asrc)
2584	return NULL;	2359	return 0;
2585	src = asrc;	2360
2586	if (src->head)
2587	src = src->head;	2361	src = asrc->head_ ();
2588		2362
2589	prev = NULL;	2363	prev = 0;
2590	for (part = src; part; part = part->more)	2364	for (object *part = src; part; part = part->more)
2591	{	2365	{
2592	tmp = get_object ();	2366	tmp = part->clone ();
2593	copy_object (part, tmp);
2594	tmp->x -= src->x;	2367	tmp->x -= src->x;
2595	tmp->y -= src->y;	2368	tmp->y -= src->y;
		2369
2596	if (!part->head)	2370	if (!part->head)
2597	{	2371	{
2598	dst = tmp;	2372	dst = tmp;
2599	tmp->head = NULL;	2373	tmp->head = 0;
2600	}	2374	}
2601	else	2375	else
2602	{
2603	tmp->head = dst;	2376	tmp->head = dst;
2604	}	2377
2605	tmp->more = NULL;	2378	tmp->more = 0;
		2379
2606	if (prev)	2380	if (prev)
2607	prev->more = tmp;	2381	prev->more = tmp;
		2382
2608	prev = tmp;	2383	prev = tmp;
2609	}	2384	}
2610		2385
2611	/*** copy inventory ***/
2612	for (item = src->inv; item; item = item->below)	2386	for (item = src->inv; item; item = item->below)
2613	{
2614	(void) insert_ob_in_ob (object_create_clone (item), dst);	2387	insert_ob_in_ob (object_create_clone (item), dst);
2615	}
2616		2388
2617	return dst;	2389	return dst;
2618	}
2619
2620	/* return true if the object was destroyed, 0 otherwise */
2621	int
2622	was_destroyed (const object *op, tag_t old_tag)
2623	{
2624	/* checking for FLAG_FREED isn't necessary, but makes this function more
2625	* robust */
2626	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2627	}
2628
2629	/* GROS - Creates an object using a string representing its content. */
2630
2631	/* Basically, we save the content of the string to a temp file, then call */
2632
2633	/* load_object on it. I admit it is a highly inefficient way to make things, */
2634
2635	/* but it was simple to make and allows reusing the load_object function. */
2636
2637	/* Remember not to use load_object_str in a time-critical situation. */
2638
2639	/* Also remember that multiparts objects are not supported for now. */
2640
2641	object *
2642	load_object_str (const char *obstr)
2643	{
2644	object *
2645	op;
2646	char
2647	filename[MAX_BUF];
2648
2649	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2650
2651	FILE *
2652	tempfile = fopen (filename, "w");
2653
2654	if (tempfile == NULL)
2655	{
2656	LOG (llevError, "Error - Unable to access load object temp file\n");
2657	return NULL;
2658	};
2659	fprintf (tempfile, obstr);
2660	fclose (tempfile);
2661
2662	op = get_object ();
2663
2664	object_thawer thawer (filename);
2665
2666	if (thawer)
2667	load_object (thawer, op, 0);
2668
2669	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2670	CLEAR_FLAG (op, FLAG_REMOVED);
2671
2672	return op;
2673	}	2390	}
2674		2391
2675	/* This returns the first object in who's inventory that	2392	/* This returns the first object in who's inventory that
2676	* has the same type and subtype match.	2393	* has the same type and subtype match.
2677	* returns NULL if no match.	2394	* returns NULL if no match.
2678	*/	2395	*/
2679	object *	2396	object *
2680	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)
2681	{	2398	{
2682	object *
2683	tmp;
2684
2685	for (tmp = who->inv; tmp; tmp = tmp->below)	2399	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2686	if (tmp->type == type && tmp->subtype == subtype)	2400	if (tmp->type == type && tmp->subtype == subtype)
2687	return tmp;	2401	return tmp;
2688		2402
2689	return NULL;	2403	return 0;
2690	}	2404	}
2691		2405
2692	/* 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,
2693	* otherwise return NULL.	2407	* otherwise return NULL.
2694	*	2408	*
…		…
2696	* do the desired thing.	2410	* do the desired thing.
2697	*/	2411	*/
2698	key_value *	2412	key_value *
2699	get_ob_key_link (const object *ob, const char *key)	2413	get_ob_key_link (const object *ob, const char *key)
2700	{	2414	{
2701	key_value *
2702	link;
2703
2704	for (link = ob->key_values; link != NULL; link = link->next)	2415	for (key_value *link = ob->key_values; link; link = link->next)
2705	{
2706	if (link->key == key)	2416	if (link->key == key)
2707	{
2708	return link;	2417	return link;
2709	}
2710	}
2711		2418
2712	return NULL;	2419	return 0;
2713	}	2420	}
2714		2421
2715	/*	2422	/*
2716	* 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.
2717	*	2424	*
…		…
2720	* The returned string is shared.	2427	* The returned string is shared.
2721	*/	2428	*/
2722	const char *	2429	const char *
2723	get_ob_key_value (const object *op, const char *const key)	2430	get_ob_key_value (const object *op, const char *const key)
2724	{	2431	{
2725	key_value *	2432	key_value *link;
2726	link;	2433	shstr_cmp canonical_key (key);
2727	const char *
2728	canonical_key;
2729		2434
2730	canonical_key = shstr::find (key);
2731
2732	if (canonical_key == NULL)	2435	if (!canonical_key)
2733	{	2436	{
2734	/* 1. There being a field named key on any object	2437	/* 1. There being a field named key on any object
2735	* implies there'd be a shared string to find.	2438	* implies there'd be a shared string to find.
2736	* 2. Since there isn't, no object has this field.	2439	* 2. Since there isn't, no object has this field.
2737	* 3. Therefore, *this* object doesn't have this field.	2440	* 3. Therefore, *this* object doesn't have this field.
2738	*/	2441	*/
2739	return NULL;	2442	return 0;
2740	}	2443	}
2741		2444
2742	/* This is copied from get_ob_key_link() above -	2445	/* This is copied from get_ob_key_link() above -
2743	* only 4 lines, and saves the function call overhead.	2446	* only 4 lines, and saves the function call overhead.
2744	*/	2447	*/
2745	for (link = op->key_values; link != NULL; link = link->next)	2448	for (link = op->key_values; link; link = link->next)
2746	{
2747	if (link->key == canonical_key)	2449	if (link->key == canonical_key)
2748	{
2749	return link->value;	2450	return link->value;
2750	}	2451
2751	}
2752	return NULL;	2452	return 0;
2753	}	2453	}
2754
2755		2454
2756	/*	2455	/*
2757	* Updates the canonical_key in op to value.	2456	* Updates the canonical_key in op to value.
2758	*	2457	*
2759	* 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).
…		…
2764	* Returns TRUE on success.	2463	* Returns TRUE on success.
2765	*/	2464	*/
2766	int	2465	int
2767	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)
2768	{	2467	{
2769	key_value *
2770	field = NULL, *last = NULL;	2468	key_value *field = NULL, *last = NULL;
2771		2469
2772	for (field = op->key_values; field != NULL; field = field->next)	2470	for (field = op->key_values; field != NULL; field = field->next)
2773	{	2471	{
2774	if (field->key != canonical_key)	2472	if (field->key != canonical_key)
2775	{	2473	{
…		…
2784	/* Basically, if the archetype has this key set,	2482	/* Basically, if the archetype has this key set,
2785	* we need to store the null value so when we save	2483	* we need to store the null value so when we save
2786	* it, we save the empty value so that when we load,	2484	* it, we save the empty value so that when we load,
2787	* we get this value back again.	2485	* we get this value back again.
2788	*/	2486	*/
2789	if (get_ob_key_link (&op->arch->clone, canonical_key))	2487	if (get_ob_key_link (op->arch, canonical_key))
2790	field->value = 0;	2488	field->value = 0;
2791	else	2489	else
2792	{	2490	{
2793	if (last)	2491	if (last)
2794	last->next = field->next;	2492	last->next = field->next;
…		…
2803	/* IF we get here, key doesn't exist */	2501	/* IF we get here, key doesn't exist */
2804		2502
2805	/* No field, we'll have to add it. */	2503	/* No field, we'll have to add it. */
2806		2504
2807	if (!add_key)	2505	if (!add_key)
2808	{
2809	return FALSE;	2506	return FALSE;
2810	}	2507
2811	/* There isn't any good reason to store a null	2508	/* There isn't any good reason to store a null
2812	* value in the key/value list. If the archetype has	2509	* value in the key/value list. If the archetype has
2813	* this key, then we should also have it, so shouldn't	2510	* this key, then we should also have it, so shouldn't
2814	* be here. If user wants to store empty strings,	2511	* be here. If user wants to store empty strings,
2815	* should pass in ""	2512	* should pass in ""
…		…
2843	shstr key_ (key);	2540	shstr key_ (key);
2844		2541
2845	return set_ob_key_value_s (op, key_, value, add_key);	2542	return set_ob_key_value_s (op, key_, value, add_key);
2846	}	2543	}
2847		2544
		2545	object::depth_iterator::depth_iterator (object *container)
		2546	: iterator_base (container)
		2547	{
		2548	while (item->inv)
		2549	item = item->inv;
		2550	}
		2551
2848	void	2552	void
2849	object::deep_iterator::next ()	2553	object::depth_iterator::next ()
2850	{	2554	{
2851	if (item->inv)
2852	item = item->inv;
2853	else if (item->below)	2555	if (item->below)
		2556	{
2854	item = item->below;	2557	item = item->below;
		2558
		2559	while (item->inv)
		2560	item = item->inv;
		2561	}
2855	else	2562	else
2856	item = item->env->below;	2563	item = item->env;
2857	}	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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