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Comparing deliantra/server/common/object.C (file contents):
Revision 1.25 by root, Mon Sep 11 01:16:20 2006 UTC vs.
Revision 1.108 by root, Sun Jan 7 02:39:13 2007 UTC

1
2	/*
3	* static char *rcsid_object_c =
4	* "$Id: object.C,v 1.25 2006/09/11 01:16:20 root Exp $";
5	*/
6
7	/*	1	/*
8	CrossFire, A Multiplayer game for X-windows	2	CrossFire, A Multiplayer game for X-windows
9		3
		4	Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
10	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	Copyright (C) 2001 Mark Wedel & Crossfire Development Team
11	Copyright (C) 1992 Frank Tore Johansen	6	Copyright (C) 1992 Frank Tore Johansen
12		7
13	This program is free software; you can redistribute it and/or modify	8	This program is free software; you can redistribute it and/or modify
14	it under the terms of the GNU General Public License as published by	9	it under the terms of the GNU General Public License as published by
…		…
22		17
23	You should have received a copy of the GNU General Public License	18	You should have received a copy of the GNU General Public License
24	along with this program; if not, write to the Free Software	19	along with this program; if not, write to the Free Software
25	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26		21
27	The authors can be reached via e-mail at crossfire-devel@real-time.com	22	The authors can be reached via e-mail at <crossfire@schmorp.de>
28	*/	23	*/
29		24
30	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
31	sub/add_weight will transcend the environment updating the carrying	26	sub/add_weight will transcend the environment updating the carrying
32	variable. */	27	variable. */
33	#include <global.h>	28	#include <global.h>
34	#ifndef WIN32 /* ---win32 exclude headers */
35	# include <stdio.h>	29	#include <stdio.h>
36	# include <sys/types.h>	30	#include <sys/types.h>
37	# include <sys/uio.h>	31	#include <sys/uio.h>
38	#endif /* win32 */
39	#include <object.h>	32	#include <object.h>
40	#include <funcpoint.h>	33	#include <funcpoint.h>
41	#include <skills.h>
42	#include <loader.h>	34	#include <loader.h>
		35
		36	#include <bitset>
		37
43	int nrofallocobjects = 0;	38	int nrofallocobjects = 0;
		39	static UUID uuid;
		40	const uint64 UUID_SKIP = 1<<19;
44		41
45	object *objects; /* Pointer to the list of used objects */	42	objectvec objects;
46	object *active_objects; /* List of active objects that need to be processed */	43	activevec actives;
47		44
48	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
49	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
50	};	47	};
51	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
…		…
57	int freedir[SIZEOFFREE] = {	54	int freedir[SIZEOFFREE] = {
58	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
59	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
60	};	57	};
61		58
		59	static void
		60	write_uuid (void)
		61	{
		62	char filename1[MAX_BUF], filename2[MAX_BUF];
		63
		64	sprintf (filename1, "%s/uuid", settings.localdir);
		65	sprintf (filename2, "%s/uuid~", settings.localdir);
		66
		67	FILE *fp;
		68
		69	if (!(fp = fopen (filename2, "w")))
		70	{
		71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
		72	return;
		73	}
		74
		75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
		76	fclose (fp);
		77	rename (filename2, filename1);
		78	}
		79
		80	static void
		81	read_uuid (void)
		82	{
		83	char filename[MAX_BUF];
		84
		85	sprintf (filename, "%s/uuid", settings.localdir);
		86
		87	FILE *fp;
		88
		89	if (!(fp = fopen (filename, "r")))
		90	{
		91	if (errno == ENOENT)
		92	{
		93	LOG (llevInfo, "RESET uid to 1\n");
		94	uuid.seq = 0;
		95	write_uuid ();
		96	return;
		97	}
		98
		99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
		100	_exit (1);
		101	}
		102
		103	int version;
		104	unsigned long long uid;
		105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)
		106	{
		107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);
		108	_exit (1);
		109	}
		110
		111	uuid.seq = uid;
		112	write_uuid ();
		113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
		114	fclose (fp);
		115	}
		116
		117	UUID
		118	gen_uuid ()
		119	{
		120	UUID uid;
		121
		122	uid.seq = ++uuid.seq;
		123
		124	if (!(uuid.seq & (UUID_SKIP - 1)))
		125	write_uuid ();
		126
		127	return uid;
		128	}
		129
		130	void
		131	init_uuid ()
		132	{
		133	read_uuid ();
		134	}
		135
62	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
63	static int	137	static int
64	compare_ob_value_lists_one (const object *wants, const object *has)	138	compare_ob_value_lists_one (const object *wants, const object *has)
65	{	139	{
66	key_value *wants_field;	140	key_value *wants_field;
…		…
69	* objects with lists are rare, and lists stay short. If not, use a	143	* objects with lists are rare, and lists stay short. If not, use a
70	* different structure or at least keep the lists sorted...	144	* different structure or at least keep the lists sorted...
71	*/	145	*/
72		146
73	/* For each field in wants, */	147	/* For each field in wants, */
74	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
75	{	149	{
76	key_value *has_field;	150	key_value *has_field;
77		151
78	/* Look for a field in has with the same key. */	152	/* Look for a field in has with the same key. */
79	has_field = get_ob_key_link (has, wants_field->key);	153	has_field = get_ob_key_link (has, wants_field->key);
…		…
113	*	187	*
114	* Note that this function appears a lot longer than the macro it	188	* Note that this function appears a lot longer than the macro it
115	* replaces - this is mostly for clarity - a decent compiler should hopefully	189	* replaces - this is mostly for clarity - a decent compiler should hopefully
116	* reduce this to the same efficiency.	190	* reduce this to the same efficiency.
117	*	191	*
118	* Check nrof variable *before* calling CAN_MERGE()	192	* Check nrof variable *before* calling can_merge()
119	*	193	*
120	* Improvements made with merge: Better checking on potion, and also	194	* Improvements made with merge: Better checking on potion, and also
121	* check weight	195	* check weight
122	*/	196	*/
123
124	bool object::can_merge (object *ob1, object *ob2)	197	bool object::can_merge_slow (object *ob1, object *ob2)
125	{	198	{
126	/* A couple quicksanity checks */	199	/* A couple quicksanity checks */
127	if ((ob1 == ob2) || (ob1->type != ob2->type))	200	if (ob1 == ob2
		201	|| ob1->type != ob2->type
		202	|| ob1->speed != ob2->speed
		203	|| ob1->value != ob2->value
		204	|| ob1->name != ob2->name)
128	return 0;	205	return 0;
129		206
130	if (ob1->speed != ob2->speed)	207	//TODO: this ain't working well, use nicer and correct overflow check
131	return 0;
132
133	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
134	* value could not be stored in a sint32 (which unfortunately sometimes is	209	* value could not be stored in a sint32 (which unfortunately sometimes is
135	* used to store nrof).	210	* used to store nrof).
136	*/	211	*/
137	if (ob1->nrof + ob2->nrof >= 1UL << 31)	212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
147	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
148		223
149	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
150	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
151		226
152		227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
153	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	228	|| ob1->arch != ob2->arch
154	* being locked in inventory should prevent merging.
155	* 0x4 in flags3 is CLIENT_SENT
156	*/
157	if ((ob1->arch != ob2->arch) ||
158	(ob1->flags[0] != ob2->flags[0]) ||
159	(ob1->flags[1] != ob2->flags[1]) ||
160	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
161	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
162	(ob1->name != ob2->name) ||	229	|| ob1->name != ob2->name
163	(ob1->title != ob2->title) ||	230	|| ob1->title != ob2->title
164	(ob1->msg != ob2->msg) ||	231	|| ob1->msg != ob2->msg
165	(ob1->weight != ob2->weight) ||	232	|| ob1->weight != ob2->weight
166	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
167	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
168	(ob1->attacktype != ob2->attacktype) ||	235	|| ob1->attacktype != ob2->attacktype
169	(ob1->magic != ob2->magic) ||	236	|| ob1->magic != ob2->magic
170	(ob1->slaying != ob2->slaying) ||	237	|| ob1->slaying != ob2->slaying
171	(ob1->skill != ob2->skill) ||	238	|| ob1->skill != ob2->skill
172	(ob1->value != ob2->value) ||	239	|| ob1->value != ob2->value
173	(ob1->animation_id != ob2->animation_id) ||	240	|| ob1->animation_id != ob2->animation_id
174	(ob1->client_type != ob2->client_type) ||	241	|| ob1->client_type != ob2->client_type
175	(ob1->materialname != ob2->materialname) ||	242	|| ob1->materialname != ob2->materialname
176	(ob1->lore != ob2->lore) ||	243	|| ob1->lore != ob2->lore
177	(ob1->subtype != ob2->subtype) ||	244	|| ob1->subtype != ob2->subtype
178	(ob1->move_type != ob2->move_type) ||	245	|| ob1->move_type != ob2->move_type
179	(ob1->move_block != ob2->move_block) ||	246	|| ob1->move_block != ob2->move_block
180	(ob1->move_allow != ob2->move_allow) ||	247	|| ob1->move_allow != ob2->move_allow
181	(ob1->move_on != ob2->move_on) ||	248	|| ob1->move_on != ob2->move_on
182	(ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty))	249	|| ob1->move_off != ob2->move_off
		250	|| ob1->move_slow != ob2->move_slow
		251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
183	return 0;	252	return 0;
184		253
185	/* This is really a spellbook check - really, we should	254	/* This is really a spellbook check - really, we should
186	* check all objects in the inventory.	255	* check all objects in the inventory.
187	*/	256	*/
…		…
190	/* if one object has inventory but the other doesn't, not equiv */	259	/* if one object has inventory but the other doesn't, not equiv */
191	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
192	return 0;	261	return 0;
193		262
194	/* Now check to see if the two inventory objects could merge */	263	/* Now check to see if the two inventory objects could merge */
195	if (!CAN_MERGE (ob1->inv, ob2->inv))	264	if (!object::can_merge (ob1->inv, ob2->inv))
196	return 0;	265	return 0;
197		266
198	/* inventory ok - still need to check rest of this object to see	267	/* inventory ok - still need to check rest of this object to see
199	* if it is valid.	268	* if it is valid.
200	*/	269	*/
…		…
209		278
210	/* Note sure why the following is the case - either the object has to	279	/* Note sure why the following is the case - either the object has to
211	* be animated or have a very low speed. Is this an attempted monster	280	* be animated or have a very low speed. Is this an attempted monster
212	* check?	281	* check?
213	*/	282	*/
214	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
215	return 0;	284	return 0;
216		285
217	switch (ob1->type)	286	switch (ob1->type)
218	{	287	{
219	case SCROLL:	288	case SCROLL:
220	if (ob1->level != ob2->level)	289	if (ob1->level != ob2->level)
221	return 0;	290	return 0;
222	break;	291	break;
223	}	292	}
224		293
225	if (ob1->key_values != NULL || ob2->key_values != NULL)	294	if (ob1->key_values != NULL || ob2->key_values != NULL)
226	{	295	{
227	/* At least one of these has key_values. */	296	/* At least one of these has key_values. */
…		…
249	/*	318	/*
250	* sum_weight() is a recursive function which calculates the weight	319	* sum_weight() is a recursive function which calculates the weight
251	* an object is carrying. It goes through in figures out how much	320	* an object is carrying. It goes through in figures out how much
252	* containers are carrying, and sums it up.	321	* containers are carrying, and sums it up.
253	*/	322	*/
254	signed long	323	long
255	sum_weight (object *op)	324	sum_weight (object *op)
256	{	325	{
257	signed long sum;	326	long sum;
258	object *inv;	327	object *inv;
259		328
260	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)
261	{	330	{
262	if (inv->inv)	331	if (inv->inv)
263	sum_weight (inv);	332	sum_weight (inv);
264	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
265	}	334	}
		335
266	if (op->type == CONTAINER && op->stats.Str)	336	if (op->type == CONTAINER && op->stats.Str)
267	sum = (sum * (100 - op->stats.Str)) / 100;	337	sum = (sum * (100 - op->stats.Str)) / 100;
		338
268	if (op->carrying != sum)	339	if (op->carrying != sum)
269	op->carrying = sum;	340	op->carrying = sum;
		341
270	return sum;	342	return sum;
271	}	343	}
272		344
273	/**	345	/**
274	* Return the outermost environment object for a given object.	346	* Return the outermost environment object for a given object.
…		…
281	op = op->env;	353	op = op->env;
282	return op;	354	return op;
283	}	355	}
284		356
285	/*	357	/*
286	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
287	* a better check. We basically keeping traversing up until we can't
288	* or find a player.
289	*/
290
291	object *
292	is_player_inv (object *op)
293	{
294	for (; op != NULL && op->type != PLAYER; op = op->env)
295	if (op->env == op)
296	op->env = NULL;
297	return op;
298	}
299
300	/*
301	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
302	* Some error messages.	359	* Some error messages.
303	* The result of the dump is stored in the static global errmsg array.	360	* The result of the dump is stored in the static global errmsg array.
304	*/	361	*/
305		362
306	void	363	char *
307	dump_object2 (object *op)
308	{
309	errmsg[0] = 0;
310	return;
311	//TODO//D#d#
312	#if 0
313	char *cp;
314
315	/* object *tmp;*/
316
317	if (op->arch != NULL)
318	{
319	strcat (errmsg, "arch ");
320	strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
321	strcat (errmsg, "\n");
322	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
323	strcat (errmsg, cp);
324	# if 0
325	/* Don't dump player diffs - they are too long, mostly meaningless, and
326	* will overflow the buffer.
327	* Changed so that we don't dump inventory either. This may
328	* also overflow the buffer.
329	*/
330	if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
331	strcat (errmsg, cp);
332	for (tmp = op->inv; tmp; tmp = tmp->below)
333	dump_object2 (tmp);
334	# endif
335	strcat (errmsg, "end\n");
336	}
337	else
338	{
339	strcat (errmsg, "Object ");
340	if (op->name == NULL)
341	strcat (errmsg, "(null)");
342	else
343	strcat (errmsg, op->name);
344	strcat (errmsg, "\n");
345	# if 0
346	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
347	strcat (errmsg, cp);
348	for (tmp = op->inv; tmp; tmp = tmp->below)
349	dump_object2 (tmp);
350	# endif
351	strcat (errmsg, "end\n");
352	}
353	#endif
354	}
355
356	/*
357	* Dumps an object. Returns output in the static global errmsg array.
358	*/
359
360	void
361	dump_object (object *op)	364	dump_object (object *op)
362	{	365	{
363	if (op == NULL)	366	if (!op)
364	{	367	return strdup ("[NULLOBJ]");
365	strcpy (errmsg, "[NULL pointer]");
366	return;
367	}
368	errmsg[0] = '\0';
369	dump_object2 (op);
370	}
371		368
372	void	369	object_freezer freezer;
373	dump_all_objects (void)	370	save_object (freezer, op, 1);
374	{	371	return freezer.as_string ();
375	object *op;
376
377	for (op = objects; op != NULL; op = op->next)
378	{
379	dump_object (op);
380	fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
381	}
382	}	372	}
383		373
384	/*	374	/*
385	* get_nearest_part(multi-object, object 2) returns the part of the	375	* get_nearest_part(multi-object, object 2) returns the part of the
386	* multi-object 1 which is closest to the second object.	376	* multi-object 1 which is closest to the second object.
…		…
402	}	392	}
403		393
404	/*	394	/*
405	* Returns the object which has the count-variable equal to the argument.	395	* Returns the object which has the count-variable equal to the argument.
406	*/	396	*/
407
408	object *	397	object *
409	find_object (tag_t i)	398	find_object (tag_t i)
410	{	399	{
411	object *op;	400	return ((unsigned int)i) < objects.size ()
412		401	? objects [i]
413	for (op = objects; op != NULL; op = op->next)	402	: 0;
414	if (op->count == i)
415	break;
416	return op;
417	}	403	}
418		404
419	/*	405	/*
420	* Returns the first object which has a name equal to the argument.	406	* Returns the first object which has a name equal to the argument.
421	* Used only by the patch command, but not all that useful.	407	* Used only by the patch command, but not all that useful.
422	* Enables features like "patch <name-of-other-player> food 999"	408	* Enables features like "patch <name-of-other-player> food 999"
423	*/	409	*/
424
425	object *	410	object *
426	find_object_name (const char *str)	411	find_object_name (const char *str)
427	{	412	{
428	const char *name = shstr::find (str);	413	shstr_cmp str_ (str);
429	object *op;	414	object *op;
430		415
431	for (op = objects; op != NULL; op = op->next)	416	for_all_objects (op)
432	if (&op->name == name)	417	if (op->name == str_)
433	break;	418	break;
434		419
435	return op;	420	return op;
436	}	421	}
437		422
…		…
440	{	425	{
441	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);	426	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
442	}	427	}
443		428
444	/*	429	/*
445	* Returns the object which this object marks as being the owner.
446	* A id-scheme is used to avoid pointing to objects which have been
447	* freed and are now reused. If this is detected, the owner is
448	* set to NULL, and NULL is returned.
449	* Changed 2004-02-12 - if the player is setting at the play again
450	* prompt, he is removed, and we don't want to treat him as an owner of
451	* anything, so check removed flag. I don't expect that this should break
452	* anything - once an object is removed, it is basically dead anyways.
453	*/
454
455	object *
456	get_owner (object *op)
457	{
458	if (op->owner == NULL)
459	return NULL;
460
461	if (!QUERY_FLAG (op->owner, FLAG_FREED) && !QUERY_FLAG (op->owner, FLAG_REMOVED) && op->owner->count == op->ownercount)
462	return op->owner;
463
464	op->owner = NULL;
465	op->ownercount = 0;
466	return NULL;
467	}
468
469	void
470	clear_owner (object *op)
471	{
472	if (!op)
473	return;
474
475	if (op->owner && op->ownercount == op->owner->count)
476	op->owner->refcount--;
477
478	op->owner = NULL;
479	op->ownercount = 0;
480	}
481
482	/*
483	* Sets the owner and sets the skill and exp pointers to owner's current	430	* Sets the owner and sets the skill and exp pointers to owner's current
484	* skill and experience objects.	431	* skill and experience objects.
485	*/	432	*/
486	void	433	void
487	set_owner (object *op, object *owner)	434	object::set_owner (object *owner)
488	{	435	{
489	if (owner == NULL || op == NULL)	436	if (!owner)
490	return;	437	return;
491		438
492	/* next line added to allow objects which own objects */	439	/* next line added to allow objects which own objects */
493	/* Add a check for ownercounts in here, as I got into an endless loop	440	/* Add a check for ownercounts in here, as I got into an endless loop
494	* with the fireball owning a poison cloud which then owned the	441	* with the fireball owning a poison cloud which then owned the
495	* fireball. I believe that was caused by one of the objects getting	442	* fireball. I believe that was caused by one of the objects getting
496	* freed and then another object replacing it. Since the ownercounts	443	* freed and then another object replacing it. Since the ownercounts
497	* didn't match, this check is valid and I believe that cause is valid.	444	* didn't match, this check is valid and I believe that cause is valid.
498	*/	445	*/
499	while (owner->owner && owner != owner->owner && owner->ownercount == owner->owner->count)	446	while (owner->owner)
500	owner = owner->owner;	447	owner = owner->owner;
501		448
502	/* IF the owner still has an owner, we did not resolve to a final owner.
503	* so lets not add to that.
504	*/
505	if (owner->owner)
506	return;
507
508	op->owner = owner;	449	this->owner = owner;
509
510	op->ownercount = owner->count;
511	owner->refcount++;
512	}
513
514	/* Set the owner to clone's current owner and set the skill and experience
515	* objects to clone's objects (typically those objects that where the owner's
516	* current skill and experience objects at the time when clone's owner was
517	* set - not the owner's current skill and experience objects).
518	*
519	* Use this function if player created an object (e.g. fire bullet, swarm
520	* spell), and this object creates further objects whose kills should be
521	* accounted for the player's original skill, even if player has changed
522	* skills meanwhile.
523	*/
524	void
525	copy_owner (object *op, object *clone)
526	{
527	object *owner = get_owner (clone);
528
529	if (owner == NULL)
530	{
531	/* players don't have owners - they own themselves. Update
532	* as appropriate.
533	*/
534	if (clone->type == PLAYER)
535	owner = clone;
536	else
537	return;
538	}
539
540	set_owner (op, owner);
541	}	450	}
542		451
543	/* Zero the key_values on op, decrementing the shared-string	452	/* Zero the key_values on op, decrementing the shared-string
544	* refcounts and freeing the links.	453	* refcounts and freeing the links.
545	*/	454	*/
…		…
555	}	464	}
556		465
557	op->key_values = 0;	466	op->key_values = 0;
558	}	467	}
559		468
560	void object::clear ()
561	{
562	attachable_base::clear ();
563
564	free_key_values (this);
565
566	clear_owner (this);
567
568	name = 0;
569	name_pl = 0;
570	title = 0;
571	race = 0;
572	slaying = 0;
573	skill = 0;
574	msg = 0;
575	lore = 0;
576	custom_name = 0;
577	materialname = 0;
578
579	memset (static_cast < object_pod * >(this), 0, sizeof (object_pod));
580
581	SET_FLAG (this, FLAG_REMOVED);
582	}
583
584	void object::clone (object *destination)
585	{
586	*(object_copy *) destination = *this;
587	*(object_pod *) destination = *this;
588
589	if (self || cb)
590	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
591	}
592
593	/*	469	/*
594	* clear_object() frees everything allocated by an object, and also
595	* clears all variables and flags to default settings.
596	*/
597
598	void
599	clear_object (object *op)
600	{
601	op->clear ();
602
603	op->contr = NULL;
604	op->below = NULL;
605	op->above = NULL;
606	op->inv = NULL;
607	op->container = NULL;
608	op->env = NULL;
609	op->more = NULL;
610	op->head = NULL;
611	op->map = NULL;
612	op->refcount = 0;
613	op->active_next = NULL;
614	op->active_prev = NULL;
615	/* What is not cleared is next, prev, and count */
616
617	op->expmul = 1.0;
618	op->face = blank_face;
619	op->attacked_by_count = -1;
620
621	if (settings.casting_time)
622	op->casting_time = -1;
623	}
624
625	/*
626	* copy object first frees everything allocated by the second object,	470	* copy_to first frees everything allocated by the dst object,
627	* and then copies the contends of the first object into the second	471	* and then copies the contents of itself into the second
628	* object, allocating what needs to be allocated. Basically, any	472	* object, allocating what needs to be allocated. Basically, any
629	* data that is malloc'd needs to be re-malloc/copied. Otherwise,	473	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
630	* if the first object is freed, the pointers in the new object	474	* if the first object is freed, the pointers in the new object
631	* will point at garbage.	475	* will point at garbage.
632	*/	476	*/
633
634	void	477	void
635	copy_object (object *op2, object *op)	478	object::copy_to (object *dst)
636	{	479	{
637	bool is_freed = QUERY_FLAG (op, FLAG_FREED);	480	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
638	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);	481	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
639		482
640	op2->clone (op);	483	*(object_copy *)dst = *this;
641		484
642	if (is_freed)	485	if (is_freed)
643	SET_FLAG (op, FLAG_FREED);	486	SET_FLAG (dst, FLAG_FREED);
		487
644	if (is_removed)	488	if (is_removed)
645	SET_FLAG (op, FLAG_REMOVED);	489	SET_FLAG (dst, FLAG_REMOVED);
646		490
647	if (op2->speed < 0)	491	if (speed < 0)
648	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;	492	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
649		493
650	/* Copy over key_values, if any. */	494	/* Copy over key_values, if any. */
651	if (op2->key_values)	495	if (key_values)
652	{	496	{
653	key_value *tail = 0;	497	key_value *tail = 0;
654	key_value *i;	498	key_value *i;
655		499
656	op->key_values = 0;	500	dst->key_values = 0;
657		501
658	for (i = op2->key_values; i; i = i->next)	502	for (i = key_values; i; i = i->next)
659	{	503	{
660	key_value *new_link = new key_value;	504	key_value *new_link = new key_value;
661		505
662	new_link->next = 0;	506	new_link->next = 0;
663	new_link->key = i->key;	507	new_link->key = i->key;
664	new_link->value = i->value;	508	new_link->value = i->value;
665		509
666	/* Try and be clever here, too. */	510	/* Try and be clever here, too. */
667	if (!op->key_values)	511	if (!dst->key_values)
668	{	512	{
669	op->key_values = new_link;	513	dst->key_values = new_link;
670	tail = new_link;	514	tail = new_link;
671	}	515	}
672	else	516	else
673	{	517	{
674	tail->next = new_link;	518	tail->next = new_link;
675	tail = new_link;	519	tail = new_link;
676	}	520	}
677	}	521	}
678	}	522	}
679		523
680	update_ob_speed (op);	524	dst->set_speed (dst->speed);
		525	}
		526
		527	object *
		528	object::clone ()
		529	{
		530	object *neu = create ();
		531	copy_to (neu);
		532	return neu;
681	}	533	}
682		534
683	/*	535	/*
684	* If an object with the IS_TURNABLE() flag needs to be turned due	536	* If an object with the IS_TURNABLE() flag needs to be turned due
685	* to the closest player being on the other side, this function can	537	* to the closest player being on the other side, this function can
686	* be called to update the face variable, _and_ how it looks on the map.	538	* be called to update the face variable, _and_ how it looks on the map.
687	*/	539	*/
688
689	void	540	void
690	update_turn_face (object *op)	541	update_turn_face (object *op)
691	{	542	{
692	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	543	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
693	return;	544	return;
		545
694	SET_ANIMATION (op, op->direction);	546	SET_ANIMATION (op, op->direction);
695	update_object (op, UP_OBJ_FACE);	547	update_object (op, UP_OBJ_FACE);
696	}	548	}
697		549
698	/*	550	/*
699	* Updates the speed of an object. If the speed changes from 0 to another	551	* Updates the speed of an object. If the speed changes from 0 to another
700	* value, or vice versa, then add/remove the object from the active list.	552	* value, or vice versa, then add/remove the object from the active list.
701	* This function needs to be called whenever the speed of an object changes.	553	* This function needs to be called whenever the speed of an object changes.
702	*/	554	*/
703
704	void	555	void
705	update_ob_speed (object *op)	556	object::set_speed (float speed)
706	{	557	{
707	extern int arch_init;	558	if (flag [FLAG_FREED] && speed)
708
709	/* No reason putting the archetypes objects on the speed list,
710	* since they never really need to be updated.
711	*/
712
713	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
714	{	559	{
715	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	560	LOG (llevError, "Object %s is freed but has speed.\n", &name);
716	#ifdef MANY_CORES
717	abort ();
718	#else
719	op->speed = 0;	561	speed = 0;
720	#endif
721	}
722	if (arch_init)
723	{	562	}
724	return;
725	}
726	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
727	{
728	/* If already on active list, don't do anything */
729	if (op->active_next || op->active_prev || op == active_objects)
730	return;
731		563
732	/* process_events() expects us to insert the object at the beginning	564	this->speed = speed;
733	* of the list. */	565
734	op->active_next = active_objects;	566	if (has_active_speed ())
735	if (op->active_next != NULL)	567	activate ();
736	op->active_next->active_prev = op;
737	active_objects = op;
738	}
739	else	568	else
740	{	569	deactivate ();
741	/* If not on the active list, nothing needs to be done */
742	if (!op->active_next && !op->active_prev && op != active_objects)
743	return;
744
745	if (op->active_prev == NULL)
746	{
747	active_objects = op->active_next;
748	if (op->active_next != NULL)
749	op->active_next->active_prev = NULL;
750	}
751	else
752	{
753	op->active_prev->active_next = op->active_next;
754	if (op->active_next)
755	op->active_next->active_prev = op->active_prev;
756	}
757	op->active_next = NULL;
758	op->active_prev = NULL;
759	}
760	}	570	}
761		571
762	/* This function removes object 'op' from the list of active
763	* objects.
764	* This should only be used for style maps or other such
765	* reference maps where you don't want an object that isn't
766	* in play chewing up cpu time getting processed.
767	* The reverse of this is to call update_ob_speed, which
768	* will do the right thing based on the speed of the object.
769	*/
770	void
771	remove_from_active_list (object *op)
772	{
773	/* If not on the active list, nothing needs to be done */
774	if (!op->active_next && !op->active_prev && op != active_objects)
775	return;
776
777	if (op->active_prev == NULL)
778	{
779	active_objects = op->active_next;
780	if (op->active_next != NULL)
781	op->active_next->active_prev = NULL;
782	}
783	else
784	{
785	op->active_prev->active_next = op->active_next;
786	if (op->active_next)
787	op->active_next->active_prev = op->active_prev;
788	}
789	op->active_next = NULL;
790	op->active_prev = NULL;
791	}
792
793	/*	572	/*
794	* update_object() updates the array which represents the map.	573	* update_object() updates the the map.
795	* It takes into account invisible objects (and represent squares covered	574	* It takes into account invisible objects (and represent squares covered
796	* by invisible objects by whatever is below them (unless it's another	575	* by invisible objects by whatever is below them (unless it's another
797	* invisible object, etc...)	576	* invisible object, etc...)
798	* If the object being updated is beneath a player, the look-window	577	* If the object being updated is beneath a player, the look-window
799	* of that player is updated (this might be a suboptimal way of	578	* of that player is updated (this might be a suboptimal way of
800	* updating that window, though, since update_object() is called _often_)	579	* updating that window, though, since update_object() is called _often_)
801	*	580	*
802	* action is a hint of what the caller believes need to be done.	581	* action is a hint of what the caller believes need to be done.
803	* For example, if the only thing that has changed is the face (due to
804	* an animation), we don't need to call update_position until that actually
805	* comes into view of a player. OTOH, many other things, like addition/removal
806	* of walls or living creatures may need us to update the flags now.
807	* current action are:	582	* current action are:
808	* UP_OBJ_INSERT: op was inserted	583	* UP_OBJ_INSERT: op was inserted
809	* UP_OBJ_REMOVE: op was removed	584	* UP_OBJ_REMOVE: op was removed
810	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	585	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
811	* as that is easier than trying to look at what may have changed.	586	* as that is easier than trying to look at what may have changed.
812	* UP_OBJ_FACE: only the objects face has changed.	587	* UP_OBJ_FACE: only the objects face has changed.
813	*/	588	*/
814
815	void	589	void
816	update_object (object *op, int action)	590	update_object (object *op, int action)
817	{	591	{
818	int update_now = 0, flags;
819	MoveType move_on, move_off, move_block, move_slow;	592	MoveType move_on, move_off, move_block, move_slow;
820		593
821	if (op == NULL)	594	if (op == NULL)
822	{	595	{
823	/* this should never happen */	596	/* this should never happen */
824	LOG (llevDebug, "update_object() called for NULL object.\n");	597	LOG (llevDebug, "update_object() called for NULL object.\n");
825	return;	598	return;
826	}	599	}
827		600
828	if (op->env != NULL)	601	if (op->env)
829	{	602	{
830	/* Animation is currently handled by client, so nothing	603	/* Animation is currently handled by client, so nothing
831	* to do in this case.	604	* to do in this case.
832	*/	605	*/
833	return;	606	return;
…		…
838	*/	611	*/
839	if (!op->map || op->map->in_memory == MAP_SAVING)	612	if (!op->map || op->map->in_memory == MAP_SAVING)
840	return;	613	return;
841		614
842	/* make sure the object is within map boundaries */	615	/* make sure the object is within map boundaries */
843	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	616	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
844	{	617	{
845	LOG (llevError, "update_object() called for object out of map!\n");	618	LOG (llevError, "update_object() called for object out of map!\n");
846	#ifdef MANY_CORES	619	#ifdef MANY_CORES
847	abort ();	620	abort ();
848	#endif	621	#endif
849	return;	622	return;
850	}	623	}
851		624
852	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	625	mapspace &m = op->ms ();
853	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
854	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
855	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
856	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
857	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
858		626
		627	if (!(m.flags_ & P_UPTODATE))
		628	/* nop */;
859	if (action == UP_OBJ_INSERT)	629	else if (action == UP_OBJ_INSERT)
860	{	630	{
		631	// this is likely overkill, TODO: revisit (schmorp)
861	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	632	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
862	update_now = 1;
863
864	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	633	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
865	update_now = 1;	634	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
866		635	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		636	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
867	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	637	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
868	update_now = 1;
869
870	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
871	update_now = 1;
872
873	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
874	update_now = 1;
875
876	if ((move_on | op->move_on) != move_on)	638	|| (m.move_on | op->move_on ) != m.move_on
877	update_now = 1;
878
879	if ((move_off | op->move_off) != move_off)	639	|| (m.move_off | op->move_off ) != m.move_off
880	update_now = 1;	640	|| (m.move_slow | op->move_slow) != m.move_slow
881
882	/* This isn't perfect, but I don't expect a lot of objects to	641	/* This isn't perfect, but I don't expect a lot of objects to
883	* to have move_allow right now.	642	* to have move_allow right now.
884	*/	643	*/
885	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	644	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
886	update_now = 1;	645	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
887		646	m.flags_ = 0;
888	if ((move_slow | op->move_slow) != move_slow)
889	update_now = 1;
890	}	647	}
891	/* if the object is being removed, we can't make intelligent	648	/* if the object is being removed, we can't make intelligent
892	* decisions, because remove_ob can't really pass the object	649	* decisions, because remove_ob can't really pass the object
893	* that is being removed.	650	* that is being removed.
894	*/	651	*/
895	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	652	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
896	{	653	m.flags_ = 0;
897	update_now = 1;
898	}
899	else if (action == UP_OBJ_FACE)	654	else if (action == UP_OBJ_FACE)
900	{
901	/* Nothing to do for that case */	655	/* Nothing to do for that case */ ;
902	}
903	else	656	else
904	{
905	LOG (llevError, "update_object called with invalid action: %d\n", action);	657	LOG (llevError, "update_object called with invalid action: %d\n", action);
906	}
907		658
908	if (update_now)
909	{
910	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
911	update_position (op->map, op->x, op->y);
912	}
913
914	if (op->more != NULL)	659	if (op->more)
915	update_object (op->more, action);	660	update_object (op->more, action);
916	}	661	}
917		662
918	static unordered_vector<object *> mortals;	663	object *object::first;
919	static std::vector<object *> freed;
920
921	void object::free_mortals ()
922	{
923	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end (); )
924	if (!(*i)->refcount)
925	{
926	freed.push_back (*i);
927	mortals.erase (i);
928	}
929	else
930	++i;
931	}
932		664
933	object::object ()	665	object::object ()
934	{	666	{
935	SET_FLAG (this, FLAG_REMOVED);	667	SET_FLAG (this, FLAG_REMOVED);
936		668
937	expmul = 1.0;	669	expmul = 1.0;
938	face = blank_face;	670	face = blank_face;
939	attacked_by_count = -1;
940	}	671	}
941		672
942	object::~object ()	673	object::~object ()
943	{	674	{
944	free_key_values (this);	675	free_key_values (this);
945	}	676	}
946		677
947	void object::link ()	678	void object::link ()
948	{	679	{
949	count = ++ob_count;	680	uuid = gen_uuid ();
950		681
951	prev = 0;	682	objects.insert (this);
952	next = objects;
953
954	if (objects)
955	objects->prev = this;
956
957	objects = this;
958	}	683	}
959		684
960	void object::unlink ()	685	void object::unlink ()
961	{	686	{
962	count = 0;	687	objects.erase (this);
		688	}
963		689
964	/* Remove this object from the list of used objects */	690	void
965	if (prev)	691	object::activate ()
966	{	692	{
967	prev->next = next;	693	/* If already on active list, don't do anything */
968	prev = 0;	694	if (active)
		695	return;
		696
		697	if (has_active_speed ())
		698	actives.insert (this);
		699	}
		700
		701	void
		702	object::activate_recursive ()
		703	{
		704	activate ();
		705
		706	for (object *op = inv; op; op = op->below)
		707	op->activate_recursive ();
		708	}
		709
		710	/* This function removes object 'op' from the list of active
		711	* objects.
		712	* This should only be used for style maps or other such
		713	* reference maps where you don't want an object that isn't
		714	* in play chewing up cpu time getting processed.
		715	* The reverse of this is to call update_ob_speed, which
		716	* will do the right thing based on the speed of the object.
		717	*/
		718	void
		719	object::deactivate ()
		720	{
		721	/* If not on the active list, nothing needs to be done */
		722	if (!active)
		723	return;
		724
		725	actives.erase (this);
		726	}
		727
		728	void
		729	object::deactivate_recursive ()
		730	{
		731	for (object *op = inv; op; op = op->below)
		732	op->deactivate_recursive ();
		733
		734	deactivate ();
		735	}
		736
		737	void
		738	object::set_flag_inv (int flag, int value)
		739	{
		740	for (object *op = inv; op; op = op->below)
969	}	741	{
970		742	op->flag [flag] = value;
971	if (next)	743	op->set_flag_inv (flag, value);
972	{	744	}
973	next->prev = prev;	745	}
974	next = 0;	746
		747	/*
		748	* Remove and free all objects in the inventory of the given object.
		749	* object.c ?
		750	*/
		751	void
		752	object::destroy_inv (bool drop_to_ground)
		753	{
		754	// need to check first, because the checks below might segfault
		755	// as we might be on an invalid mapspace and crossfire code
		756	// is too buggy to ensure that the inventory is empty.
		757	// corollary: if you create arrows etc. with stuff in tis inventory,
		758	// cf will crash below with off-map x and y
		759	if (!inv)
		760	return;
		761
		762	/* Only if the space blocks everything do we not process -
		763	* if some form of movement is allowed, let objects
		764	* drop on that space.
		765	*/
		766	if (!drop_to_ground
		767	|| !map
		768	|| map->in_memory != MAP_IN_MEMORY
		769	|| ms ().move_block == MOVE_ALL)
975	}	770	{
		771	while (inv)
		772	{
		773	inv->destroy_inv (drop_to_ground);
		774	inv->destroy ();
		775	}
		776	}
		777	else
		778	{ /* Put objects in inventory onto this space */
		779	while (inv)
		780	{
		781	object *op = inv;
976		782
977	if (this == objects)	783	if (op->flag [FLAG_STARTEQUIP]
978	objects = next;	784	|| op->flag [FLAG_NO_DROP]
		785	|| op->type == RUNE
		786	|| op->type == TRAP
		787	|| op->flag [FLAG_IS_A_TEMPLATE])
		788	op->destroy ();
		789	else
		790	map->insert (op, x, y);
		791	}
		792	}
979	}	793	}
980		794
981	object *object::create ()	795	object *object::create ()
982	{	796	{
983	object *op;
984
985	if (freed.empty ())
986	op = new object;	797	object *op = new object;
987	else
988	{
989	// highly annoying, but the only way to get it stable right now
990	op = freed.back (); freed.pop_back ();
991	op->~object ();
992	new ((void *)op) object;
993	}
994
995	op->link ();	798	op->link ();
996	return op;	799	return op;
997	}	800	}
998		801
999	/*	802	void
1000	* free_object() frees everything allocated by an object, removes	803	object::do_destroy ()
1001	* it from the list of used objects, and puts it on the list of
1002	* free objects. The IS_FREED() flag is set in the object.
1003	* The object must have been removed by remove_ob() first for
1004	* this function to succeed.
1005	*
1006	* If free_inventory is set, free inventory as well. Else drop items in
1007	* inventory to the ground.
1008	*/
1009	void object::free (bool free_inventory)
1010	{	804	{
1011	if (!QUERY_FLAG (this, FLAG_REMOVED))	805	if (flag [FLAG_IS_LINKED])
1012	{	806	remove_button_link (this);
1013	LOG (llevDebug, "Free object called with non removed object\n");
1014	dump_object (this);
1015	#ifdef MANY_CORES
1016	abort ();
1017	#endif
1018	}
1019		807
1020	if (QUERY_FLAG (this, FLAG_FRIENDLY))	808	if (flag [FLAG_FRIENDLY])
1021	{
1022	LOG (llevMonster, "Warning: tried to free friendly object.\n");
1023	remove_friendly_object (this);	809	remove_friendly_object (this);
1024	}
1025		810
1026	if (QUERY_FLAG (this, FLAG_FREED))	811	if (!flag [FLAG_REMOVED])
1027	{	812	remove ();
1028	dump_object (this);	813
1029	LOG (llevError, "Trying to free freed object.\n%s\n", errmsg);	814	if (flag [FLAG_FREED])
1030	return;	815	return;
		816
		817	set_speed (0);
		818
		819	flag [FLAG_FREED] = 1;
		820
		821	attachable::do_destroy ();
		822
		823	destroy_inv (true);
		824	unlink ();
		825
		826	// hack to ensure that freed objects still have a valid map
		827	{
		828	static maptile *freed_map; // freed objects are moved here to avoid crashes
		829
		830	if (!freed_map)
		831	{
		832	freed_map = new maptile;
		833
		834	freed_map->name = "/internal/freed_objects_map";
		835	freed_map->width = 3;
		836	freed_map->height = 3;
		837
		838	freed_map->alloc ();
		839	freed_map->in_memory = MAP_IN_MEMORY;
1031	}	840	}
		841
		842	map = freed_map;
		843	x = 1;
		844	y = 1;
		845	}
		846
		847	head = 0;
1032		848
1033	if (more)	849	if (more)
1034	{	850	{
1035	more->free (free_inventory);	851	more->destroy ();
1036	more = 0;	852	more = 0;
1037	}	853	}
1038		854
1039	if (inv)	855	// clear those pointers that likely might have circular references to us
1040	{	856	owner = 0;
1041	/* Only if the space blocks everything do we not process -	857	enemy = 0;
1042	* if some form of movement is allowed, let objects	858	attacked_by = 0;
1043	* drop on that space.	859	}
1044	*/
1045	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || (GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL))
1046	{
1047	object *
1048	op = inv;
1049		860
1050	while (op)	861	void
1051	{	862	object::destroy (bool destroy_inventory)
1052	object *	863	{
1053	tmp = op->below;	864	if (destroyed ())
		865	return;
1054		866
1055	remove_ob (op);	867	if (destroy_inventory)
1056	op->free (free_inventory);	868	destroy_inv (false);
1057	op = tmp;
1058	}
1059	}
1060	else
1061	{ /* Put objects in inventory onto this space */
1062	object *
1063	op = inv;
1064		869
1065	while (op)	870	attachable::destroy ();
1066	{
1067	object *
1068	tmp = op->below;
1069
1070	remove_ob (op);
1071
1072	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1073	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1074	free_object (op);
1075	else
1076	{
1077	op->x = x;
1078	op->y = y;
1079	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
1080	}
1081
1082	op = tmp;
1083	}
1084	}
1085	}
1086
1087	clear_owner (this);
1088
1089	/* Remove object from the active list */
1090	speed = 0;
1091	update_ob_speed (this);
1092
1093	unlink ();
1094
1095	SET_FLAG (this, FLAG_FREED);
1096
1097	mortals.push_back (this);
1098	}	871	}
1099		872
1100	/*	873	/*
1101	* sub_weight() recursively (outwards) subtracts a number from the	874	* sub_weight() recursively (outwards) subtracts a number from the
1102	* weight of an object (and what is carried by it's environment(s)).	875	* weight of an object (and what is carried by it's environment(s)).
1103	*/	876	*/
1104
1105	void	877	void
1106	sub_weight (object *op, signed long weight)	878	sub_weight (object *op, signed long weight)
1107	{	879	{
1108	while (op != NULL)	880	while (op != NULL)
1109	{	881	{
1110	if (op->type == CONTAINER)	882	if (op->type == CONTAINER)
1111	{
1112	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	883	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1113	}	884
1114	op->carrying -= weight;	885	op->carrying -= weight;
1115	op = op->env;	886	op = op->env;
1116	}	887	}
1117	}	888	}
1118		889
1119	/* remove_ob(op):	890	/* op->remove ():
1120	* This function removes the object op from the linked list of objects	891	* This function removes the object op from the linked list of objects
1121	* which it is currently tied to. When this function is done, the	892	* which it is currently tied to. When this function is done, the
1122	* object will have no environment. If the object previously had an	893	* object will have no environment. If the object previously had an
1123	* environment, the x and y coordinates will be updated to	894	* environment, the x and y coordinates will be updated to
1124	* the previous environment.	895	* the previous environment.
1125	* Beware: This function is called from the editor as well!	896	* Beware: This function is called from the editor as well!
1126	*/	897	*/
1127
1128	void	898	void
1129	remove_ob (object *op)	899	object::remove ()
1130	{	900	{
		901	object *tmp, *last = 0;
1131	object *	902	object *otmp;
1132	tmp, *
1133	last = NULL;
1134	object *
1135	otmp;
1136	tag_t
1137	tag;
1138	int
1139	check_walk_off;
1140	mapstruct *
1141	m;
1142	sint16
1143	x,
1144	y;
1145		903
1146
1147	if (QUERY_FLAG (op, FLAG_REMOVED))	904	if (QUERY_FLAG (this, FLAG_REMOVED))
1148	{	905	return;
1149	dump_object (op);
1150	LOG (llevError, "Trying to remove removed object.\n%s\n", errmsg);
1151		906
1152	/* Changed it to always dump core in this case. As has been learned
1153	* in the past, trying to recover from errors almost always
1154	* make things worse, and this is a real error here - something
1155	* that should not happen.
1156	* Yes, if this was a mission critical app, trying to do something
1157	* to recover may make sense, but that is because failure of the app
1158	* may have other disastrous problems. Cf runs out of a script
1159	* so is easily enough restarted without any real problems.
1160	* MSW 2001-07-01
1161	*/
1162	abort ();
1163	}
1164	if (op->more != NULL)
1165	remove_ob (op->more);
1166
1167	SET_FLAG (op, FLAG_REMOVED);	907	SET_FLAG (this, FLAG_REMOVED);
		908	INVOKE_OBJECT (REMOVE, this);
		909
		910	if (more)
		911	more->remove ();
1168		912
1169	/*	913	/*
1170	* In this case, the object to be removed is in someones	914	* In this case, the object to be removed is in someones
1171	* inventory.	915	* inventory.
1172	*/	916	*/
1173	if (op->env != NULL)	917	if (env)
1174	{	918	{
1175	if (op->nrof)	919	if (nrof)
1176	sub_weight (op->env, op->weight * op->nrof);	920	sub_weight (env, weight * nrof);
1177	else	921	else
1178	sub_weight (op->env, op->weight + op->carrying);	922	sub_weight (env, weight + carrying);
1179		923
1180	/* NO_FIX_PLAYER is set when a great many changes are being	924	/* NO_FIX_PLAYER is set when a great many changes are being
1181	* made to players inventory. If set, avoiding the call	925	* made to players inventory. If set, avoiding the call
1182	* to save cpu time.	926	* to save cpu time.
1183	*/	927	*/
1184	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	928	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1185	fix_player (otmp);	929	otmp->update_stats ();
1186		930
1187	if (op->above != NULL)	931	if (above)
1188	op->above->below = op->below;	932	above->below = below;
1189	else	933	else
1190	op->env->inv = op->below;	934	env->inv = below;
1191		935
1192	if (op->below != NULL)	936	if (below)
1193	op->below->above = op->above;	937	below->above = above;
1194		938
1195	/* we set up values so that it could be inserted into	939	/* we set up values so that it could be inserted into
1196	* the map, but we don't actually do that - it is up	940	* the map, but we don't actually do that - it is up
1197	* to the caller to decide what we want to do.	941	* to the caller to decide what we want to do.
1198	*/	942	*/
1199	op->x = op->env->x, op->y = op->env->y;	943	x = env->x, y = env->y;
1200	op->map = op->env->map;	944	map = env->map;
1201	op->above = NULL, op->below = NULL;	945	above = 0, below = 0;
1202	op->env = NULL;	946	env = 0;
1203	return;
1204	}
1205
1206	/* If we get here, we are removing it from a map */
1207	if (op->map == NULL)
1208	return;
1209
1210	x = op->x;
1211	y = op->y;
1212	m = get_map_from_coord (op->map, &x, &y);
1213
1214	if (!m)
1215	{	947	}
1216	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",	948	else if (map)
1217	op->map->path, op->x, op->y);
1218	/* in old days, we used to set x and y to 0 and continue.
1219	* it seems if we get into this case, something is probablye
1220	* screwed up and should be fixed.
1221	*/
1222	abort ();
1223	}	949	{
1224	if (op->map != m)	950	if (type == PLAYER)
1225	{	951	{
1226	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	952	--map->players;
1227	op->map->path, m->path, op->x, op->y, x, y);	953	map->touch ();
1228	}	954	}
1229		955
1230	/* Re did the following section of code - it looks like it had	956	map->dirty = true;
1231	* lots of logic for things we no longer care about
1232	*/
1233		957
1234	/* link the object above us */	958	/* link the object above us */
1235	if (op->above)	959	if (above)
1236	op->above->below = op->below;	960	above->below = below;
1237	else	961	else
1238	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	962	map->at (x, y).top = below; /* we were top, set new top */
1239		963
1240	/* Relink the object below us, if there is one */	964	/* Relink the object below us, if there is one */
1241	if (op->below)	965	if (below)
1242	{
1243	op->below->above = op->above;	966	below->above = above;
1244	}
1245	else	967	else
1246	{	968	{
1247	/* Nothing below, which means we need to relink map object for this space	969	/* Nothing below, which means we need to relink map object for this space
1248	* use translated coordinates in case some oddness with map tiling is	970	* use translated coordinates in case some oddness with map tiling is
1249	* evident	971	* evident
1250	*/
1251	if (GET_MAP_OB (m, x, y) != op)
1252	{
1253	dump_object (op);
1254	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n",
1255	errmsg);
1256	dump_object (GET_MAP_OB (m, x, y));
1257	LOG (llevError, "%s\n", errmsg);
1258	}
1259	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1260	}
1261	op->above = NULL;
1262	op->below = NULL;
1263
1264	if (op->map->in_memory == MAP_SAVING)
1265	return;
1266
1267	tag = op->count;
1268	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1269	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1270	{
1271	/* No point updating the players look faces if he is the object
1272	* being removed.
1273	*/
1274
1275	if (tmp->type == PLAYER && tmp != op)
1276	{
1277	/* If a container that the player is currently using somehow gets
1278	* removed (most likely destroyed), update the player view
1279	* appropriately.
1280	*/	972	*/
1281	if (tmp->container == op)	973	if (GET_MAP_OB (map, x, y) != this)
1282	{	974	{
1283	CLEAR_FLAG (op, FLAG_APPLIED);	975	char *dump = dump_object (this);
1284	tmp->container = NULL;	976	LOG (llevError,
		977	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);
		978	free (dump);
		979	dump = dump_object (GET_MAP_OB (map, x, y));
		980	LOG (llevError, "%s\n", dump);
		981	free (dump);
1285	}	982	}
1286	tmp->contr->socket.update_look = 1;	983
1287	}	984	map->at (x, y).bot = above; /* goes on above it. */
1288	/* See if player moving off should effect something */
1289	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1290	{	985	}
1291		986
1292	move_apply (tmp, op, NULL);	987	above = 0;
1293	if (was_destroyed (op, tag))	988	below = 0;
		989
		990	if (map->in_memory == MAP_SAVING)
		991	return;
		992
		993	int check_walk_off = !flag [FLAG_NO_APPLY];
		994
		995	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)
		996	{
		997	/* No point updating the players look faces if he is the object
		998	* being removed.
		999	*/
		1000
		1001	if (tmp->type == PLAYER && tmp != this)
1294	{	1002	{
1295	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);	1003	/* If a container that the player is currently using somehow gets
		1004	* removed (most likely destroyed), update the player view
		1005	* appropriately.
		1006	*/
		1007	if (tmp->container == this)
		1008	{
		1009	flag [FLAG_APPLIED] = 0;
		1010	tmp->container = 0;
		1011	}
		1012
		1013	if (tmp->contr->ns)
		1014	tmp->contr->ns->floorbox_update ();
1296	}	1015	}
		1016
		1017	/* See if object moving off should effect something */
		1018	if (check_walk_off
		1019	&& ((move_type & tmp->move_off)
		1020	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
		1021	{
		1022	move_apply (tmp, this, 0);
		1023
		1024	if (destroyed ())
		1025	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1297	}	1026	}
1298		1027
1299	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1028	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1300		1029	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1301	if (tmp->above == tmp)	1030	if (tmp->above == tmp)
1302	tmp->above = NULL;	1031	tmp->above = 0;
		1032
1303	last = tmp;	1033	last = tmp;
1304	}	1034	}
		1035
1305	/* last == NULL of there are no objects on this space */	1036	/* last == NULL if there are no objects on this space */
1306	if (last == NULL)	1037	//TODO: this makes little sense, why only update the topmost object?
1307	{	1038	if (!last)
1308	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,	1039	map->at (x, y).flags_ = 0;
1309	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1310	* those out anyways, and if there are any flags set right now, they won't
1311	* be correct anyways.
1312	*/
1313	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1314	update_position (op->map, op->x, op->y);
1315	}
1316	else	1040	else
1317	update_object (last, UP_OBJ_REMOVE);	1041	update_object (last, UP_OBJ_REMOVE);
1318		1042
1319	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1043	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1320	update_all_los (op->map, op->x, op->y);	1044	update_all_los (map, x, y);
1321		1045	}
1322	}	1046	}
1323		1047
1324	/*	1048	/*
1325	* merge_ob(op,top):	1049	* merge_ob(op,top):
1326	*	1050	*
1327	* This function goes through all objects below and including top, and	1051	* This function goes through all objects below and including top, and
1328	* merges op to the first matching object.	1052	* merges op to the first matching object.
1329	* If top is NULL, it is calculated.	1053	* If top is NULL, it is calculated.
1330	* Returns pointer to object if it succeded in the merge, otherwise NULL	1054	* Returns pointer to object if it succeded in the merge, otherwise NULL
1331	*/	1055	*/
1332
1333	object *	1056	object *
1334	merge_ob (object *op, object *top)	1057	merge_ob (object *op, object *top)
1335	{	1058	{
1336	if (!op->nrof)	1059	if (!op->nrof)
1337	return 0;	1060	return 0;
1338	if (top == NULL)	1061
		1062	if (top)
1339	for (top = op; top != NULL && top->above != NULL; top = top->above);	1063	for (top = op; top && top->above; top = top->above)
		1064	;
		1065
1340	for (; top != NULL; top = top->below)	1066	for (; top; top = top->below)
1341	{	1067	{
1342	if (top == op)	1068	if (top == op)
1343	continue;	1069	continue;
1344	if (CAN_MERGE (op, top))	1070
		1071	if (object::can_merge (op, top))
1345	{	1072	{
1346	top->nrof += op->nrof;	1073	top->nrof += op->nrof;
1347		1074
1348	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1075	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1349	op->weight = 0; /* Don't want any adjustements now */	1076	op->weight = 0; /* Don't want any adjustements now */
1350	remove_ob (op);	1077	op->destroy ();
1351	free_object (op);
1352	return top;	1078	return top;
1353	}	1079	}
1354	}	1080	}
		1081
1355	return NULL;	1082	return 0;
1356	}	1083	}
1357		1084
1358	/*	1085	/*
1359	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1086	* same as insert_ob_in_map except it handle separate coordinates and do a clean
1360	* job preparing multi-part monsters	1087	* job preparing multi-part monsters
1361	*/	1088	*/
1362	object *	1089	object *
1363	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1090	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1364	{	1091	{
1365	object *
1366	tmp;
1367
1368	if (op->head)
1369	op = op->head;
1370	for (tmp = op; tmp; tmp = tmp->more)	1092	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1371	{	1093	{
1372	tmp->x = x + tmp->arch->clone.x;	1094	tmp->x = x + tmp->arch->clone.x;
1373	tmp->y = y + tmp->arch->clone.y;	1095	tmp->y = y + tmp->arch->clone.y;
1374	}	1096	}
		1097
1375	return insert_ob_in_map (op, m, originator, flag);	1098	return insert_ob_in_map (op, m, originator, flag);
1376	}	1099	}
1377		1100
1378	/*	1101	/*
1379	* insert_ob_in_map (op, map, originator, flag):	1102	* insert_ob_in_map (op, map, originator, flag):
…		…
1393	* Return value:	1116	* Return value:
1394	* new object if 'op' was merged with other object	1117	* new object if 'op' was merged with other object
1395	* NULL if 'op' was destroyed	1118	* NULL if 'op' was destroyed
1396	* just 'op' otherwise	1119	* just 'op' otherwise
1397	*/	1120	*/
1398
1399	object *	1121	object *
1400	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1122	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1401	{	1123	{
1402	object *tmp, *top, *floor = NULL;	1124	object *tmp, *top, *floor = NULL;
1403	sint16 x, y;	1125	sint16 x, y;
1404		1126
1405	if (QUERY_FLAG (op, FLAG_FREED))	1127	if (QUERY_FLAG (op, FLAG_FREED))
1406	{	1128	{
1407	LOG (llevError, "Trying to insert freed object!\n");	1129	LOG (llevError, "Trying to insert freed object!\n");
1408	return NULL;	1130	return NULL;
1409	}	1131	}
1410		1132
1411	if (m == NULL)	1133	if (!m)
1412	{	1134	{
1413	dump_object (op);	1135	char *dump = dump_object (op);
1414	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);	1136	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
		1137	free (dump);
1415	return op;	1138	return op;
1416	}	1139	}
1417		1140
1418	if (out_of_map (m, op->x, op->y))	1141	if (out_of_map (m, op->x, op->y))
1419	{	1142	{
1420	dump_object (op);	1143	char *dump = dump_object (op);
1421	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);	1144	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1422	#ifdef MANY_CORES	1145	#ifdef MANY_CORES
1423	/* Better to catch this here, as otherwise the next use of this object	1146	/* Better to catch this here, as otherwise the next use of this object
1424	* is likely to cause a crash. Better to find out where it is getting	1147	* is likely to cause a crash. Better to find out where it is getting
1425	* improperly inserted.	1148	* improperly inserted.
1426	*/	1149	*/
1427	abort ();	1150	abort ();
1428	#endif	1151	#endif
		1152	free (dump);
1429	return op;	1153	return op;
1430	}	1154	}
1431		1155
1432	if (!QUERY_FLAG (op, FLAG_REMOVED))	1156	if (!QUERY_FLAG (op, FLAG_REMOVED))
1433	{	1157	{
1434	dump_object (op);	1158	char *dump = dump_object (op);
1435	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);	1159	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
		1160	free (dump);
1436	return op;	1161	return op;
1437	}	1162	}
1438		1163
1439	if (op->more != NULL)	1164	if (op->more)
1440	{	1165	{
1441	/* The part may be on a different map. */	1166	/* The part may be on a different map. */
1442		1167
1443	object *
1444	more = op->more;	1168	object *more = op->more;
1445		1169
1446	/* We really need the caller to normalize coordinates - if	1170	/* We really need the caller to normalise coordinates - if
1447	* we set the map, that doesn't work if the location is within	1171	* we set the map, that doesn't work if the location is within
1448	* a map and this is straddling an edge. So only if coordinate	1172	* a map and this is straddling an edge. So only if coordinate
1449	* is clear wrong do we normalize it.	1173	* is clear wrong do we normalise it.
1450	*/	1174	*/
1451	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))	1175	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1452	{
1453	more->map = get_map_from_coord (m, &more->x, &more->y);	1176	more->map = get_map_from_coord (m, &more->x, &more->y);
1454	}
1455	else if (!more->map)	1177	else if (!more->map)
1456	{	1178	{
1457	/* For backwards compatibility - when not dealing with tiled maps,	1179	/* For backwards compatibility - when not dealing with tiled maps,
1458	* more->map should always point to the parent.	1180	* more->map should always point to the parent.
1459	*/	1181	*/
…		…
1462		1184
1463	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1185	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1464	{	1186	{
1465	if (!op->head)	1187	if (!op->head)
1466	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1188	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
		1189
1467	return NULL;	1190	return 0;
1468	}	1191	}
1469	}	1192	}
1470		1193
1471	CLEAR_FLAG (op, FLAG_REMOVED);	1194	CLEAR_FLAG (op, FLAG_REMOVED);
1472		1195
…		…
1479	y = op->y;	1202	y = op->y;
1480		1203
1481	/* this has to be done after we translate the coordinates.	1204	/* this has to be done after we translate the coordinates.
1482	*/	1205	*/
1483	if (op->nrof && !(flag & INS_NO_MERGE))	1206	if (op->nrof && !(flag & INS_NO_MERGE))
1484	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1207	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)
1485	if (CAN_MERGE (op, tmp))	1208	if (object::can_merge (op, tmp))
1486	{	1209	{
1487	op->nrof += tmp->nrof;	1210	op->nrof += tmp->nrof;
1488	remove_ob (tmp);	1211	tmp->destroy ();
1489	free_object (tmp);
1490	}	1212	}
1491		1213
1492	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1214	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1493	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1215	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1494		1216
…		…
1507	op->below = originator->below;	1229	op->below = originator->below;
1508		1230
1509	if (op->below)	1231	if (op->below)
1510	op->below->above = op;	1232	op->below->above = op;
1511	else	1233	else
1512	SET_MAP_OB (op->map, op->x, op->y, op);	1234	op->ms ().bot = op;
1513		1235
1514	/* since *below* originator, no need to update top */	1236	/* since *below* originator, no need to update top */
1515	originator->below = op;	1237	originator->below = op;
1516	}	1238	}
1517	else	1239	else
1518	{	1240	{
1519	/* If there are other objects, then */	1241	/* If there are other objects, then */
1520	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1242	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))
1521	{	1243	{
1522	object *last = NULL;	1244	object *last = 0;
1523		1245
1524	/*	1246	/*
1525	* If there are multiple objects on this space, we do some trickier handling.	1247	* If there are multiple objects on this space, we do some trickier handling.
1526	* We've already dealt with merging if appropriate.	1248	* We've already dealt with merging if appropriate.
1527	* Generally, we want to put the new object on top. But if	1249	* Generally, we want to put the new object on top. But if
…		…
1531	* once we get to them. This reduces the need to traverse over all of	1253	* once we get to them. This reduces the need to traverse over all of
1532	* them when adding another one - this saves quite a bit of cpu time	1254	* them when adding another one - this saves quite a bit of cpu time
1533	* when lots of spells are cast in one area. Currently, it is presumed	1255	* when lots of spells are cast in one area. Currently, it is presumed
1534	* that flying non pickable objects are spell objects.	1256	* that flying non pickable objects are spell objects.
1535	*/	1257	*/
1536
1537	while (top != NULL)	1258	while (top)
1538	{	1259	{
1539	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1260	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1540	floor = top;	1261	floor = top;
		1262
1541	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1263	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
1542	{	1264	{
1543	/* We insert above top, so we want this object below this */	1265	/* We insert above top, so we want this object below this */
1544	top = top->below;	1266	top = top->below;
1545	break;	1267	break;
1546	}	1268	}
		1269
1547	last = top;	1270	last = top;
1548	top = top->above;	1271	top = top->above;
1549	}	1272	}
		1273
1550	/* Don't want top to be NULL, so set it to the last valid object */	1274	/* Don't want top to be NULL, so set it to the last valid object */
1551	top = last;	1275	top = last;
1552		1276
1553	/* We let update_position deal with figuring out what the space	1277	/* We let update_position deal with figuring out what the space
1554	* looks like instead of lots of conditions here.	1278	* looks like instead of lots of conditions here.
…		…
1560	* If INS_ON_TOP is used, don't do this processing	1284	* If INS_ON_TOP is used, don't do this processing
1561	* Need to find the object that in fact blocks view, otherwise	1285	* Need to find the object that in fact blocks view, otherwise
1562	* stacking is a bit odd.	1286	* stacking is a bit odd.
1563	*/	1287	*/
1564	if (!(flag & INS_ON_TOP) &&	1288	if (!(flag & INS_ON_TOP) &&
1565	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1289	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))
1566	{	1290	{
1567	for (last = top; last != floor; last = last->below)	1291	for (last = top; last != floor; last = last->below)
1568	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1292	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1569	break;	1293	break;
1570	/* Check to see if we found the object that blocks view,	1294	/* Check to see if we found the object that blocks view,
…		…
1592	op->above = GET_MAP_OB (op->map, op->x, op->y);	1316	op->above = GET_MAP_OB (op->map, op->x, op->y);
1593		1317
1594	if (op->above)	1318	if (op->above)
1595	op->above->below = op;	1319	op->above->below = op;
1596		1320
1597	op->below = NULL;	1321	op->below = 0;
1598	SET_MAP_OB (op->map, op->x, op->y, op);	1322	op->ms ().bot = op;
1599	}	1323	}
1600	else	1324	else
1601	{ /* get inserted into the stack above top */	1325	{ /* get inserted into the stack above top */
1602	op->above = top->above;	1326	op->above = top->above;
1603		1327
…		…
1606		1330
1607	op->below = top;	1331	op->below = top;
1608	top->above = op;	1332	top->above = op;
1609	}	1333	}
1610		1334
1611	if (op->above == NULL)	1335	if (!op->above)
1612	SET_MAP_TOP (op->map, op->x, op->y, op);	1336	op->ms ().top = op;
1613	} /* else not INS_BELOW_ORIGINATOR */	1337	} /* else not INS_BELOW_ORIGINATOR */
1614		1338
1615	if (op->type == PLAYER)	1339	if (op->type == PLAYER)
		1340	{
1616	op->contr->do_los = 1;	1341	op->contr->do_los = 1;
		1342	++op->map->players;
		1343	op->map->touch ();
		1344	}
		1345
		1346	op->map->dirty = true;
1617		1347
1618	/* If we have a floor, we know the player, if any, will be above	1348	/* If we have a floor, we know the player, if any, will be above
1619	* it, so save a few ticks and start from there.	1349	* it, so save a few ticks and start from there.
1620	*/	1350	*/
1621	if (!(flag & INS_MAP_LOAD))	1351	if (!(flag & INS_MAP_LOAD))
1622	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1352	if (object *pl = op->ms ().player ())
1623	if (tmp->type == PLAYER)	1353	if (pl->contr->ns)
1624	tmp->contr->socket.update_look = 1;	1354	pl->contr->ns->floorbox_update ();
1625		1355
1626	/* If this object glows, it may affect lighting conditions that are	1356	/* If this object glows, it may affect lighting conditions that are
1627	* visible to others on this map. But update_all_los is really	1357	* visible to others on this map. But update_all_los is really
1628	* an inefficient way to do this, as it means los for all players	1358	* an inefficient way to do this, as it means los for all players
1629	* on the map will get recalculated. The players could very well	1359	* on the map will get recalculated. The players could very well
1630	* be far away from this change and not affected in any way -	1360	* be far away from this change and not affected in any way -
1631	* this should get redone to only look for players within range,	1361	* this should get redone to only look for players within range,
1632	* or just updating the P_NEED_UPDATE for spaces within this area	1362	* or just updating the P_UPTODATE for spaces within this area
1633	* of effect may be sufficient.	1363	* of effect may be sufficient.
1634	*/	1364	*/
1635	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1365	if (op->map->darkness && (op->glow_radius != 0))
1636	update_all_los (op->map, op->x, op->y);	1366	update_all_los (op->map, op->x, op->y);
1637
1638		1367
1639	/* updates flags (blocked, alive, no magic, etc) for this map space */	1368	/* updates flags (blocked, alive, no magic, etc) for this map space */
1640	update_object (op, UP_OBJ_INSERT);	1369	update_object (op, UP_OBJ_INSERT);
1641		1370
		1371	INVOKE_OBJECT (INSERT, op);
1642		1372
1643	/* Don't know if moving this to the end will break anything. However,	1373	/* Don't know if moving this to the end will break anything. However,
1644	* we want to have update_look set above before calling this.	1374	* we want to have floorbox_update called before calling this.
1645	*	1375	*
1646	* check_move_on() must be after this because code called from	1376	* check_move_on() must be after this because code called from
1647	* check_move_on() depends on correct map flags (so functions like	1377	* check_move_on() depends on correct map flags (so functions like
1648	* blocked() and wall() work properly), and these flags are updated by	1378	* blocked() and wall() work properly), and these flags are updated by
1649	* update_object().	1379	* update_object().
…		…
1651		1381
1652	/* if this is not the head or flag has been passed, don't check walk on status */	1382	/* if this is not the head or flag has been passed, don't check walk on status */
1653	if (!(flag & INS_NO_WALK_ON) && !op->head)	1383	if (!(flag & INS_NO_WALK_ON) && !op->head)
1654	{	1384	{
1655	if (check_move_on (op, originator))	1385	if (check_move_on (op, originator))
1656	return NULL;	1386	return 0;
1657		1387
1658	/* If we are a multi part object, lets work our way through the check	1388	/* If we are a multi part object, lets work our way through the check
1659	* walk on's.	1389	* walk on's.
1660	*/	1390	*/
1661	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1391	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1662	if (check_move_on (tmp, originator))	1392	if (check_move_on (tmp, originator))
1663	return NULL;	1393	return 0;
1664	}	1394	}
1665		1395
1666	return op;	1396	return op;
1667	}	1397	}
1668		1398
1669	/* this function inserts an object in the map, but if it	1399	/* this function inserts an object in the map, but if it
1670	* finds an object of its own type, it'll remove that one first.	1400	* finds an object of its own type, it'll remove that one first.
1671	* op is the object to insert it under: supplies x and the map.	1401	* op is the object to insert it under: supplies x and the map.
1672	*/	1402	*/
1673	void	1403	void
1674	replace_insert_ob_in_map (const char *arch_string, object *op)	1404	replace_insert_ob_in_map (const char *arch_string, object *op)
1675	{	1405	{
1676	object *tmp;
1677	object *tmp1;	1406	object *tmp, *tmp1;
1678		1407
1679	/* first search for itself and remove any old instances */	1408	/* first search for itself and remove any old instances */
1680		1409
1681	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1410	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1682	{
1683	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1411	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1684	{	1412	tmp->destroy ();
1685	remove_ob (tmp);
1686	free_object (tmp);
1687	}
1688	}
1689		1413
1690	tmp1 = arch_to_object (find_archetype (arch_string));	1414	tmp1 = arch_to_object (archetype::find (arch_string));
1691		1415
1692	tmp1->x = op->x;	1416	tmp1->x = op->x;
1693	tmp1->y = op->y;	1417	tmp1->y = op->y;
1694	insert_ob_in_map (tmp1, op->map, op, 0);	1418	insert_ob_in_map (tmp1, op->map, op, 0);
		1419	}
		1420
		1421	object *
		1422	object::insert_at (object *where, object *originator, int flags)
		1423	{
		1424	where->map->insert (this, where->x, where->y, originator, flags);
1695	}	1425	}
1696		1426
1697	/*	1427	/*
1698	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1428	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1699	* is returned contains nr objects, and the remaining parts contains	1429	* is returned contains nr objects, and the remaining parts contains
1700	* the rest (or is removed and freed if that number is 0).	1430	* the rest (or is removed and freed if that number is 0).
1701	* On failure, NULL is returned, and the reason put into the	1431	* On failure, NULL is returned, and the reason put into the
1702	* global static errmsg array.	1432	* global static errmsg array.
1703	*/	1433	*/
1704
1705	object *	1434	object *
1706	get_split_ob (object *orig_ob, uint32 nr)	1435	get_split_ob (object *orig_ob, uint32 nr)
1707	{	1436	{
1708	object *	1437	object *newob;
1709	newob;
1710	int
1711	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1438	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1712		1439
1713	if (orig_ob->nrof < nr)	1440	if (orig_ob->nrof < nr)
1714	{	1441	{
1715	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1442	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1716	return NULL;	1443	return NULL;
1717	}	1444	}
		1445
1718	newob = object_create_clone (orig_ob);	1446	newob = object_create_clone (orig_ob);
		1447
1719	if ((orig_ob->nrof -= nr) < 1)	1448	if ((orig_ob->nrof -= nr) < 1)
1720	{	1449	orig_ob->destroy (1);
1721	if (!is_removed)
1722	remove_ob (orig_ob);
1723	free_object2 (orig_ob, 1);
1724	}
1725	else if (!is_removed)	1450	else if (!is_removed)
1726	{	1451	{
1727	if (orig_ob->env != NULL)	1452	if (orig_ob->env != NULL)
1728	sub_weight (orig_ob->env, orig_ob->weight * nr);	1453	sub_weight (orig_ob->env, orig_ob->weight * nr);
1729	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1454	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1731	strcpy (errmsg, "Tried to split object whose map is not in memory.");	1456	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1732	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");	1457	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1733	return NULL;	1458	return NULL;
1734	}	1459	}
1735	}	1460	}
		1461
1736	newob->nrof = nr;	1462	newob->nrof = nr;
1737		1463
1738	return newob;	1464	return newob;
1739	}	1465	}
1740		1466
…		…
1747	*/	1473	*/
1748		1474
1749	object *	1475	object *
1750	decrease_ob_nr (object *op, uint32 i)	1476	decrease_ob_nr (object *op, uint32 i)
1751	{	1477	{
1752	object *	1478	object *tmp;
1753	tmp;
1754	player *
1755	pl;
1756		1479
1757	if (i == 0) /* objects with op->nrof require this check */	1480	if (i == 0) /* objects with op->nrof require this check */
1758	return op;	1481	return op;
1759		1482
1760	if (i > op->nrof)	1483	if (i > op->nrof)
1761	i = op->nrof;	1484	i = op->nrof;
1762		1485
1763	if (QUERY_FLAG (op, FLAG_REMOVED))	1486	if (QUERY_FLAG (op, FLAG_REMOVED))
1764	{
1765	op->nrof -= i;	1487	op->nrof -= i;
1766	}
1767	else if (op->env != NULL)	1488	else if (op->env)
1768	{	1489	{
1769	/* is this object in the players inventory, or sub container	1490	/* is this object in the players inventory, or sub container
1770	* therein?	1491	* therein?
1771	*/	1492	*/
1772	tmp = is_player_inv (op->env);	1493	tmp = op->in_player ();
1773	/* nope. Is this a container the player has opened?	1494	/* nope. Is this a container the player has opened?
1774	* If so, set tmp to that player.	1495	* If so, set tmp to that player.
1775	* IMO, searching through all the players will mostly	1496	* IMO, searching through all the players will mostly
1776	* likely be quicker than following op->env to the map,	1497	* likely be quicker than following op->env to the map,
1777	* and then searching the map for a player.	1498	* and then searching the map for a player.
1778	*/	1499	*/
1779	if (!tmp)	1500	if (!tmp)
1780	{	1501	for_all_players (pl)
1781	for (pl = first_player; pl; pl = pl->next)
1782	if (pl->ob->container == op->env)	1502	if (pl->ob->container == op->env)
		1503	{
		1504	tmp = pl->ob;
1783	break;	1505	break;
1784	if (pl)
1785	tmp = pl->ob;
1786	else
1787	tmp = NULL;
1788	}	1506	}
1789		1507
1790	if (i < op->nrof)	1508	if (i < op->nrof)
1791	{	1509	{
1792	sub_weight (op->env, op->weight * i);	1510	sub_weight (op->env, op->weight * i);
1793	op->nrof -= i;	1511	op->nrof -= i;
1794	if (tmp)	1512	if (tmp)
1795	{
1796	esrv_send_item (tmp, op);	1513	esrv_send_item (tmp, op);
1797	}
1798	}	1514	}
1799	else	1515	else
1800	{	1516	{
1801	remove_ob (op);	1517	op->remove ();
1802	op->nrof = 0;	1518	op->nrof = 0;
1803	if (tmp)	1519	if (tmp)
1804	{
1805	esrv_del_item (tmp->contr, op->count);	1520	esrv_del_item (tmp->contr, op->count);
1806	}
1807	}	1521	}
1808	}	1522	}
1809	else	1523	else
1810	{	1524	{
1811	object *
1812	above = op->above;	1525	object *above = op->above;
1813		1526
1814	if (i < op->nrof)	1527	if (i < op->nrof)
1815	{
1816	op->nrof -= i;	1528	op->nrof -= i;
1817	}
1818	else	1529	else
1819	{	1530	{
1820	remove_ob (op);	1531	op->remove ();
1821	op->nrof = 0;	1532	op->nrof = 0;
1822	}	1533	}
		1534
1823	/* Since we just removed op, op->above is null */	1535	/* Since we just removed op, op->above is null */
1824	for (tmp = above; tmp != NULL; tmp = tmp->above)	1536	for (tmp = above; tmp; tmp = tmp->above)
1825	if (tmp->type == PLAYER)	1537	if (tmp->type == PLAYER)
1826	{	1538	{
1827	if (op->nrof)	1539	if (op->nrof)
1828	esrv_send_item (tmp, op);	1540	esrv_send_item (tmp, op);
1829	else	1541	else
1830	esrv_del_item (tmp->contr, op->count);	1542	esrv_del_item (tmp->contr, op->count);
1831	}	1543	}
1832	}	1544	}
1833		1545
1834	if (op->nrof)	1546	if (op->nrof)
1835	{
1836	return op;	1547	return op;
1837	}
1838	else	1548	else
1839	{	1549	{
1840	free_object (op);	1550	op->destroy ();
1841	return NULL;	1551	return 0;
1842	}	1552	}
1843	}	1553	}
1844		1554
1845	/*	1555	/*
1846	* add_weight(object, weight) adds the specified weight to an object,	1556	* add_weight(object, weight) adds the specified weight to an object,
…		…
1851	add_weight (object *op, signed long weight)	1561	add_weight (object *op, signed long weight)
1852	{	1562	{
1853	while (op != NULL)	1563	while (op != NULL)
1854	{	1564	{
1855	if (op->type == CONTAINER)	1565	if (op->type == CONTAINER)
1856	{
1857	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	1566	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1858	}	1567
1859	op->carrying += weight;	1568	op->carrying += weight;
1860	op = op->env;	1569	op = op->env;
1861	}	1570	}
1862	}	1571	}
1863		1572
		1573	object *
		1574	insert_ob_in_ob (object *op, object *where)
		1575	{
		1576	if (!where)
		1577	{
		1578	char *dump = dump_object (op);
		1579	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1580	free (dump);
		1581	return op;
		1582	}
		1583
		1584	if (where->head)
		1585	{
		1586	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1587	where = where->head;
		1588	}
		1589
		1590	return where->insert (op);
		1591	}
		1592
1864	/*	1593	/*
1865	* insert_ob_in_ob(op,environment):	1594	* env->insert (op)
1866	* This function inserts the object op in the linked list	1595	* This function inserts the object op in the linked list
1867	* inside the object environment.	1596	* inside the object environment.
1868	*	1597	*
1869	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1870	* the inventory at the last position or next to other objects of the same
1871	* type.
1872	* Frank: Now sorted by type, archetype and magic!
1873	*
1874	* The function returns now pointer to inserted item, and return value can	1598	* The function returns now pointer to inserted item, and return value can
1875	* be != op, if items are merged. -Tero	1599	* be != op, if items are merged. -Tero
1876	*/	1600	*/
1877		1601
1878	object *	1602	object *
1879	insert_ob_in_ob (object *op, object *where)	1603	object::insert (object *op)
1880	{	1604	{
1881	object *	1605	object *tmp, *otmp;
1882	tmp, *
1883	otmp;
1884		1606
1885	if (!QUERY_FLAG (op, FLAG_REMOVED))	1607	if (!QUERY_FLAG (op, FLAG_REMOVED))
1886	{	1608	op->remove ();
1887	dump_object (op);	1609
1888	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1889	return op;
1890	}
1891	if (where == NULL)
1892	{
1893	dump_object (op);
1894	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1895	return op;
1896	}
1897	if (where->head)
1898	{
1899	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1900	where = where->head;
1901	}
1902	if (op->more)	1610	if (op->more)
1903	{	1611	{
1904	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1612	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1905	return op;	1613	return op;
1906	}	1614	}
		1615
1907	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1616	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1908	CLEAR_FLAG (op, FLAG_REMOVED);	1617	CLEAR_FLAG (op, FLAG_REMOVED);
1909	if (op->nrof)	1618	if (op->nrof)
1910	{	1619	{
1911	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1620	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1912	if (CAN_MERGE (tmp, op))	1621	if (object::can_merge (tmp, op))
1913	{	1622	{
1914	/* return the original object and remove inserted object	1623	/* return the original object and remove inserted object
1915	(client needs the original object) */	1624	(client needs the original object) */
1916	tmp->nrof += op->nrof;	1625	tmp->nrof += op->nrof;
1917	/* Weight handling gets pretty funky. Since we are adding to	1626	/* Weight handling gets pretty funky. Since we are adding to
1918	* tmp->nrof, we need to increase the weight.	1627	* tmp->nrof, we need to increase the weight.
1919	*/	1628	*/
1920	add_weight (where, op->weight * op->nrof);	1629	add_weight (this, op->weight * op->nrof);
1921	SET_FLAG (op, FLAG_REMOVED);	1630	SET_FLAG (op, FLAG_REMOVED);
1922	free_object (op); /* free the inserted object */	1631	op->destroy (); /* free the inserted object */
1923	op = tmp;	1632	op = tmp;
1924	remove_ob (op); /* and fix old object's links */	1633	op->remove (); /* and fix old object's links */
1925	CLEAR_FLAG (op, FLAG_REMOVED);	1634	CLEAR_FLAG (op, FLAG_REMOVED);
1926	break;	1635	break;
1927	}	1636	}
1928		1637
1929	/* I assume combined objects have no inventory	1638	/* I assume combined objects have no inventory
1930	* We add the weight - this object could have just been removed	1639	* We add the weight - this object could have just been removed
1931	* (if it was possible to merge). calling remove_ob will subtract	1640	* (if it was possible to merge). calling remove_ob will subtract
1932	* the weight, so we need to add it in again, since we actually do	1641	* the weight, so we need to add it in again, since we actually do
1933	* the linking below	1642	* the linking below
1934	*/	1643	*/
1935	add_weight (where, op->weight * op->nrof);	1644	add_weight (this, op->weight * op->nrof);
1936	}	1645	}
1937	else	1646	else
1938	add_weight (where, (op->weight + op->carrying));	1647	add_weight (this, (op->weight + op->carrying));
1939		1648
1940	otmp = is_player_inv (where);	1649	otmp = this->in_player ();
1941	if (otmp && otmp->contr != NULL)	1650	if (otmp && otmp->contr)
1942	{
1943	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1651	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1944	fix_player (otmp);	1652	otmp->update_stats ();
1945	}
1946		1653
1947	op->map = NULL;	1654	op->map = 0;
1948	op->env = where;	1655	op->env = this;
1949	op->above = NULL;	1656	op->above = 0;
1950	op->below = NULL;	1657	op->below = 0;
1951	op->x = 0, op->y = 0;	1658	op->x = 0, op->y = 0;
1952		1659
1953	/* reset the light list and los of the players on the map */	1660	/* reset the light list and los of the players on the map */
1954	if ((op->glow_radius != 0) && where->map)	1661	if ((op->glow_radius != 0) && map)
1955	{	1662	{
1956	#ifdef DEBUG_LIGHTS	1663	#ifdef DEBUG_LIGHTS
1957	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1664	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1958	#endif /* DEBUG_LIGHTS */	1665	#endif /* DEBUG_LIGHTS */
1959	if (MAP_DARKNESS (where->map))	1666	if (map->darkness)
1960	update_all_los (where->map, where->x, where->y);	1667	update_all_los (map, x, y);
1961	}	1668	}
1962		1669
1963	/* Client has no idea of ordering so lets not bother ordering it here.	1670	/* Client has no idea of ordering so lets not bother ordering it here.
1964	* It sure simplifies this function...	1671	* It sure simplifies this function...
1965	*/	1672	*/
1966	if (where->inv == NULL)	1673	if (!inv)
1967	where->inv = op;	1674	inv = op;
1968	else	1675	else
1969	{	1676	{
1970	op->below = where->inv;	1677	op->below = inv;
1971	op->below->above = op;	1678	op->below->above = op;
1972	where->inv = op;	1679	inv = op;
1973	}	1680	}
		1681
		1682	INVOKE_OBJECT (INSERT, this);
		1683
1974	return op;	1684	return op;
1975	}	1685	}
1976		1686
1977	/*	1687	/*
1978	* Checks if any objects has a move_type that matches objects	1688	* Checks if any objects has a move_type that matches objects
…		…
1992	*	1702	*
1993	* MSW 2001-07-08: Check all objects on space, not just those below	1703	* MSW 2001-07-08: Check all objects on space, not just those below
1994	* object being inserted. insert_ob_in_map may not put new objects	1704	* object being inserted. insert_ob_in_map may not put new objects
1995	* on top.	1705	* on top.
1996	*/	1706	*/
1997
1998	int	1707	int
1999	check_move_on (object *op, object *originator)	1708	check_move_on (object *op, object *originator)
2000	{	1709	{
2001	object *	1710	object *tmp;
2002	tmp;	1711	maptile *m = op->map;
2003	tag_t
2004	tag;
2005	mapstruct *
2006	m = op->map;
2007	int
2008	x = op->x, y = op->y;	1712	int x = op->x, y = op->y;
2009	MoveType	1713
2010	move_on,	1714	MoveType move_on, move_slow, move_block;
2011	move_slow,
2012	move_block;
2013		1715
2014	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1716	if (QUERY_FLAG (op, FLAG_NO_APPLY))
2015	return 0;	1717	return 0;
2016
2017	tag = op->count;
2018		1718
2019	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1719	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
2020	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1720	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
2021	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1721	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
2022		1722
…		…
2038		1738
2039	/* The objects have to be checked from top to bottom.	1739	/* The objects have to be checked from top to bottom.
2040	* Hence, we first go to the top:	1740	* Hence, we first go to the top:
2041	*/	1741	*/
2042		1742
2043	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1743	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
2044	{	1744	{
2045	/* Trim the search when we find the first other spell effect	1745	/* Trim the search when we find the first other spell effect
2046	* this helps performance so that if a space has 50 spell objects,	1746	* this helps performance so that if a space has 50 spell objects,
2047	* we don't need to check all of them.	1747	* we don't need to check all of them.
2048	*/	1748	*/
2049	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))	1749	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
2050	break;	1750	break;
2051	}	1751	}
		1752
2052	for (; tmp != NULL; tmp = tmp->below)	1753	for (; tmp; tmp = tmp->below)
2053	{	1754	{
2054	if (tmp == op)	1755	if (tmp == op)
2055	continue; /* Can't apply yourself */	1756	continue; /* Can't apply yourself */
2056		1757
2057	/* Check to see if one of the movement types should be slowed down.	1758	/* Check to see if one of the movement types should be slowed down.
…		…
2065	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1766	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2066	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1767	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
2067	{	1768	{
2068		1769
2069	float	1770	float
2070	diff;
2071
2072	diff = tmp->move_slow_penalty * FABS (op->speed);	1771	diff = tmp->move_slow_penalty * FABS (op->speed);
		1772
2073	if (op->type == PLAYER)	1773	if (op->type == PLAYER)
2074	{
2075	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1774	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
2076	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1775	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2077	{
2078	diff /= 4.0;	1776	diff /= 4.0;
2079	}	1777
2080	}
2081	op->speed_left -= diff;	1778	op->speed_left -= diff;
2082	}	1779	}
2083	}	1780	}
2084		1781
2085	/* Basically same logic as above, except now for actual apply. */	1782	/* Basically same logic as above, except now for actual apply. */
2086	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1783	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2087	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1784	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
2088	{	1785	{
2089
2090	move_apply (tmp, op, originator);	1786	move_apply (tmp, op, originator);
		1787
2091	if (was_destroyed (op, tag))	1788	if (op->destroyed ())
2092	return 1;	1789	return 1;
2093		1790
2094	/* what the person/creature stepped onto has moved the object	1791	/* what the person/creature stepped onto has moved the object
2095	* someplace new. Don't process any further - if we did,	1792	* someplace new. Don't process any further - if we did,
2096	* have a feeling strange problems would result.	1793	* have a feeling strange problems would result.
2097	*/	1794	*/
2098	if (op->map != m || op->x != x || op->y != y)	1795	if (op->map != m || op->x != x || op->y != y)
2099	return 0;	1796	return 0;
2100	}	1797	}
2101	}	1798	}
		1799
2102	return 0;	1800	return 0;
2103	}	1801	}
2104		1802
2105	/*	1803	/*
2106	* present_arch(arch, map, x, y) searches for any objects with	1804	* present_arch(arch, map, x, y) searches for any objects with
2107	* a matching archetype at the given map and coordinates.	1805	* a matching archetype at the given map and coordinates.
2108	* The first matching object is returned, or NULL if none.	1806	* The first matching object is returned, or NULL if none.
2109	*/	1807	*/
2110
2111	object *	1808	object *
2112	present_arch (const archetype *at, mapstruct *m, int x, int y)	1809	present_arch (const archetype *at, maptile *m, int x, int y)
2113	{	1810	{
2114	object *
2115	tmp;
2116
2117	if (m == NULL || out_of_map (m, x, y))	1811	if (!m || out_of_map (m, x, y))
2118	{	1812	{
2119	LOG (llevError, "Present_arch called outside map.\n");	1813	LOG (llevError, "Present_arch called outside map.\n");
2120	return NULL;	1814	return NULL;
2121	}	1815	}
2122	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1816
		1817	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2123	if (tmp->arch == at)	1818	if (tmp->arch == at)
2124	return tmp;	1819	return tmp;
		1820
2125	return NULL;	1821	return NULL;
2126	}	1822	}
2127		1823
2128	/*	1824	/*
2129	* present(type, map, x, y) searches for any objects with	1825	* present(type, map, x, y) searches for any objects with
2130	* a matching type variable at the given map and coordinates.	1826	* a matching type variable at the given map and coordinates.
2131	* The first matching object is returned, or NULL if none.	1827	* The first matching object is returned, or NULL if none.
2132	*/	1828	*/
2133
2134	object *	1829	object *
2135	present (unsigned char type, mapstruct *m, int x, int y)	1830	present (unsigned char type, maptile *m, int x, int y)
2136	{	1831	{
2137	object *
2138	tmp;
2139
2140	if (out_of_map (m, x, y))	1832	if (out_of_map (m, x, y))
2141	{	1833	{
2142	LOG (llevError, "Present called outside map.\n");	1834	LOG (llevError, "Present called outside map.\n");
2143	return NULL;	1835	return NULL;
2144	}	1836	}
2145	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1837
		1838	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2146	if (tmp->type == type)	1839	if (tmp->type == type)
2147	return tmp;	1840	return tmp;
		1841
2148	return NULL;	1842	return NULL;
2149	}	1843	}
2150		1844
2151	/*	1845	/*
2152	* present_in_ob(type, object) searches for any objects with	1846	* present_in_ob(type, object) searches for any objects with
2153	* a matching type variable in the inventory of the given object.	1847	* a matching type variable in the inventory of the given object.
2154	* The first matching object is returned, or NULL if none.	1848	* The first matching object is returned, or NULL if none.
2155	*/	1849	*/
2156
2157	object *	1850	object *
2158	present_in_ob (unsigned char type, const object *op)	1851	present_in_ob (unsigned char type, const object *op)
2159	{	1852	{
2160	object *
2161	tmp;
2162
2163	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1853	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2164	if (tmp->type == type)	1854	if (tmp->type == type)
2165	return tmp;	1855	return tmp;
		1856
2166	return NULL;	1857	return NULL;
2167	}	1858	}
2168		1859
2169	/*	1860	/*
2170	* present_in_ob (type, str, object) searches for any objects with	1861	* present_in_ob (type, str, object) searches for any objects with
…		…
2178	* str is the string to match against. Note that we match against	1869	* str is the string to match against. Note that we match against
2179	* the object name, not the archetype name. this is so that the	1870	* the object name, not the archetype name. this is so that the
2180	* spell code can use one object type (force), but change it's name	1871	* spell code can use one object type (force), but change it's name
2181	* to be unique.	1872	* to be unique.
2182	*/	1873	*/
2183
2184	object *	1874	object *
2185	present_in_ob_by_name (int type, const char *str, const object *op)	1875	present_in_ob_by_name (int type, const char *str, const object *op)
2186	{	1876	{
2187	object *
2188	tmp;
2189
2190	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1877	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2191	{
2192	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1878	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2193	return tmp;	1879	return tmp;
2194	}	1880
2195	return NULL;	1881	return 0;
2196	}	1882	}
2197		1883
2198	/*	1884	/*
2199	* present_arch_in_ob(archetype, object) searches for any objects with	1885	* present_arch_in_ob(archetype, object) searches for any objects with
2200	* a matching archetype in the inventory of the given object.	1886	* a matching archetype in the inventory of the given object.
2201	* The first matching object is returned, or NULL if none.	1887	* The first matching object is returned, or NULL if none.
2202	*/	1888	*/
2203
2204	object *	1889	object *
2205	present_arch_in_ob (const archetype *at, const object *op)	1890	present_arch_in_ob (const archetype *at, const object *op)
2206	{	1891	{
2207	object *
2208	tmp;
2209
2210	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1892	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2211	if (tmp->arch == at)	1893	if (tmp->arch == at)
2212	return tmp;	1894	return tmp;
		1895
2213	return NULL;	1896	return NULL;
2214	}	1897	}
2215		1898
2216	/*	1899	/*
2217	* activate recursively a flag on an object inventory	1900	* activate recursively a flag on an object inventory
2218	*/	1901	*/
2219	void	1902	void
2220	flag_inv (object *op, int flag)	1903	flag_inv (object *op, int flag)
2221	{	1904	{
2222	object *
2223	tmp;
2224
2225	if (op->inv)	1905	if (op->inv)
2226	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1906	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2227	{	1907	{
2228	SET_FLAG (tmp, flag);	1908	SET_FLAG (tmp, flag);
2229	flag_inv (tmp, flag);	1909	flag_inv (tmp, flag);
2230	}	1910	}
2231	} /*	1911	}
		1912
		1913	/*
2232	* desactivate recursively a flag on an object inventory	1914	* deactivate recursively a flag on an object inventory
2233	*/	1915	*/
2234	void	1916	void
2235	unflag_inv (object *op, int flag)	1917	unflag_inv (object *op, int flag)
2236	{	1918	{
2237	object *
2238	tmp;
2239
2240	if (op->inv)	1919	if (op->inv)
2241	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1920	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2242	{	1921	{
2243	CLEAR_FLAG (tmp, flag);	1922	CLEAR_FLAG (tmp, flag);
2244	unflag_inv (tmp, flag);	1923	unflag_inv (tmp, flag);
2245	}	1924	}
2246	}	1925	}
…		…
2249	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in	1928	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2250	* all it's inventory (recursively).	1929	* all it's inventory (recursively).
2251	* If checksums are used, a player will get set_cheat called for	1930	* If checksums are used, a player will get set_cheat called for
2252	* him/her-self and all object carried by a call to this function.	1931	* him/her-self and all object carried by a call to this function.
2253	*/	1932	*/
2254
2255	void	1933	void
2256	set_cheat (object *op)	1934	set_cheat (object *op)
2257	{	1935	{
2258	SET_FLAG (op, FLAG_WAS_WIZ);	1936	SET_FLAG (op, FLAG_WAS_WIZ);
2259	flag_inv (op, FLAG_WAS_WIZ);	1937	flag_inv (op, FLAG_WAS_WIZ);
…		…
2278	* because arch_blocked (now ob_blocked) needs to know the movement type	1956	* because arch_blocked (now ob_blocked) needs to know the movement type
2279	* to know if the space in question will block the object. We can't use	1957	* to know if the space in question will block the object. We can't use
2280	* the archetype because that isn't correct if the monster has been	1958	* the archetype because that isn't correct if the monster has been
2281	* customized, changed states, etc.	1959	* customized, changed states, etc.
2282	*/	1960	*/
2283
2284	int	1961	int
2285	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	1962	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2286	{	1963	{
2287	int
2288	i,
2289	index = 0, flag;	1964	int index = 0, flag;
2290	static int
2291	altern[SIZEOFFREE];	1965	int altern[SIZEOFFREE];
2292		1966
2293	for (i = start; i < stop; i++)	1967	for (int i = start; i < stop; i++)
2294	{	1968	{
2295	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1969	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2296	if (!flag)	1970	if (!flag)
2297	altern[index++] = i;	1971	altern [index++] = i;
2298		1972
2299	/* Basically, if we find a wall on a space, we cut down the search size.	1973	/* Basically, if we find a wall on a space, we cut down the search size.
2300	* In this way, we won't return spaces that are on another side of a wall.	1974	* In this way, we won't return spaces that are on another side of a wall.
2301	* This mostly work, but it cuts down the search size in all directions -	1975	* This mostly work, but it cuts down the search size in all directions -
2302	* if the space being examined only has a wall to the north and empty	1976	* if the space being examined only has a wall to the north and empty
2303	* spaces in all the other directions, this will reduce the search space	1977	* spaces in all the other directions, this will reduce the search space
2304	* to only the spaces immediately surrounding the target area, and	1978	* to only the spaces immediately surrounding the target area, and
2305	* won't look 2 spaces south of the target space.	1979	* won't look 2 spaces south of the target space.
2306	*/	1980	*/
2307	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	1981	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2308	stop = maxfree[i];	1982	stop = maxfree[i];
2309	}	1983	}
		1984
2310	if (!index)	1985	if (!index)
2311	return -1;	1986	return -1;
		1987
2312	return altern[RANDOM () % index];	1988	return altern[RANDOM () % index];
2313	}	1989	}
2314		1990
2315	/*	1991	/*
2316	* find_first_free_spot(archetype, mapstruct, x, y) works like	1992	* find_first_free_spot(archetype, maptile, x, y) works like
2317	* find_free_spot(), but it will search max number of squares.	1993	* find_free_spot(), but it will search max number of squares.
2318	* But it will return the first available spot, not a random choice.	1994	* But it will return the first available spot, not a random choice.
2319	* Changed 0.93.2: Have it return -1 if there is no free spot available.	1995	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2320	*/	1996	*/
2321
2322	int	1997	int
2323	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	1998	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2324	{	1999	{
2325	int
2326	i;
2327
2328	for (i = 0; i < SIZEOFFREE; i++)	2000	for (int i = 0; i < SIZEOFFREE; i++)
2329	{
2330	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2001	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2331	return i;	2002	return i;
2332	}	2003
2333	return -1;	2004	return -1;
2334	}	2005	}
2335		2006
2336	/*	2007	/*
2337	* The function permute(arr, begin, end) randomly reorders the array	2008	* The function permute(arr, begin, end) randomly reorders the array
2338	* arr[begin..end-1].	2009	* arr[begin..end-1].
		2010	* now uses a fisher-yates shuffle, old permute was broken
2339	*/	2011	*/
2340	static void	2012	static void
2341	permute (int *arr, int begin, int end)	2013	permute (int *arr, int begin, int end)
2342	{	2014	{
2343	int	2015	arr += begin;
2344	i,
2345	j,
2346	tmp,
2347	len;
2348
2349	len = end - begin;	2016	end -= begin;
2350	for (i = begin; i < end; i++)
2351	{
2352	j = begin + RANDOM () % len;
2353		2017
2354	tmp = arr[i];	2018	while (--end)
2355	arr[i] = arr[j];	2019	swap (arr [end], arr [RANDOM () % (end + 1)]);
2356	arr[j] = tmp;
2357	}
2358	}	2020	}
2359		2021
2360	/* new function to make monster searching more efficient, and effective!	2022	/* new function to make monster searching more efficient, and effective!
2361	* This basically returns a randomized array (in the passed pointer) of	2023	* This basically returns a randomized array (in the passed pointer) of
2362	* the spaces to find monsters. In this way, it won't always look for	2024	* the spaces to find monsters. In this way, it won't always look for
…		…
2365	* the 3x3 area will be searched, just not in a predictable order.	2027	* the 3x3 area will be searched, just not in a predictable order.
2366	*/	2028	*/
2367	void	2029	void
2368	get_search_arr (int *search_arr)	2030	get_search_arr (int *search_arr)
2369	{	2031	{
2370	int	2032	int i;
2371	i;
2372		2033
2373	for (i = 0; i < SIZEOFFREE; i++)	2034	for (i = 0; i < SIZEOFFREE; i++)
2374	{
2375	search_arr[i] = i;	2035	search_arr[i] = i;
2376	}
2377		2036
2378	permute (search_arr, 1, SIZEOFFREE1 + 1);	2037	permute (search_arr, 1, SIZEOFFREE1 + 1);
2379	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2038	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2380	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2039	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2381	}	2040	}
…		…
2390	* Perhaps incorrectly, but I'm making the assumption that exclude	2049	* Perhaps incorrectly, but I'm making the assumption that exclude
2391	* is actually want is going to try and move there. We need this info	2050	* is actually want is going to try and move there. We need this info
2392	* because we have to know what movement the thing looking to move	2051	* because we have to know what movement the thing looking to move
2393	* there is capable of.	2052	* there is capable of.
2394	*/	2053	*/
2395
2396	int	2054	int
2397	find_dir (mapstruct *m, int x, int y, object *exclude)	2055	find_dir (maptile *m, int x, int y, object *exclude)
2398	{	2056	{
2399	int
2400	i,
2401	max = SIZEOFFREE, mflags;	2057	int i, max = SIZEOFFREE, mflags;
2402	sint16	2058
2403	nx,	2059	sint16 nx, ny;
2404	ny;
2405	object *	2060	object *tmp;
2406	tmp;	2061	maptile *mp;
2407	mapstruct *	2062
2408	mp;	2063	MoveType blocked, move_type;
2409	MoveType
2410	blocked,
2411	move_type;
2412		2064
2413	if (exclude && exclude->head)	2065	if (exclude && exclude->head)
2414	{	2066	{
2415	exclude = exclude->head;	2067	exclude = exclude->head;
2416	move_type = exclude->move_type;	2068	move_type = exclude->move_type;
…		…
2426	mp = m;	2078	mp = m;
2427	nx = x + freearr_x[i];	2079	nx = x + freearr_x[i];
2428	ny = y + freearr_y[i];	2080	ny = y + freearr_y[i];
2429		2081
2430	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2082	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2083
2431	if (mflags & P_OUT_OF_MAP)	2084	if (mflags & P_OUT_OF_MAP)
2432	{
2433	max = maxfree[i];	2085	max = maxfree[i];
2434	}
2435	else	2086	else
2436	{	2087	{
2437	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2088	mapspace &ms = mp->at (nx, ny);
		2089
		2090	blocked = ms.move_block;
2438		2091
2439	if ((move_type & blocked) == move_type)	2092	if ((move_type & blocked) == move_type)
2440	{
2441	max = maxfree[i];	2093	max = maxfree[i];
2442	}
2443	else if (mflags & P_IS_ALIVE)	2094	else if (mflags & P_IS_ALIVE)
2444	{	2095	{
2445	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2096	for (tmp = ms.bot; tmp; tmp = tmp->above)
2446	{	2097	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2447	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2098	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))
2448	{
2449	break;	2099	break;
2450	}	2100
2451	}
2452	if (tmp)	2101	if (tmp)
2453	{
2454	return freedir[i];	2102	return freedir[i];
2455	}
2456	}	2103	}
2457	}	2104	}
2458	}	2105	}
		2106
2459	return 0;	2107	return 0;
2460	}	2108	}
2461		2109
2462	/*	2110	/*
2463	* distance(object 1, object 2) will return the square of the	2111	* distance(object 1, object 2) will return the square of the
2464	* distance between the two given objects.	2112	* distance between the two given objects.
2465	*/	2113	*/
2466
2467	int	2114	int
2468	distance (const object *ob1, const object *ob2)	2115	distance (const object *ob1, const object *ob2)
2469	{	2116	{
2470	int
2471	i;
2472
2473	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2117	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2474	return i;
2475	}	2118	}
2476		2119
2477	/*	2120	/*
2478	* find_dir_2(delta-x,delta-y) will return a direction in which	2121	* find_dir_2(delta-x,delta-y) will return a direction in which
2479	* an object which has subtracted the x and y coordinates of another	2122	* an object which has subtracted the x and y coordinates of another
2480	* object, needs to travel toward it.	2123	* object, needs to travel toward it.
2481	*/	2124	*/
2482
2483	int	2125	int
2484	find_dir_2 (int x, int y)	2126	find_dir_2 (int x, int y)
2485	{	2127	{
2486	int	2128	int q;
2487	q;
2488		2129
2489	if (y)	2130	if (y)
2490	q = x * 100 / y;	2131	q = x * 100 / y;
2491	else if (x)	2132	else if (x)
2492	q = -300 * x;	2133	q = -300 * x;
…		…
2527	int	2168	int
2528	absdir (int d)	2169	absdir (int d)
2529	{	2170	{
2530	while (d < 1)	2171	while (d < 1)
2531	d += 8;	2172	d += 8;
		2173
2532	while (d > 8)	2174	while (d > 8)
2533	d -= 8;	2175	d -= 8;
		2176
2534	return d;	2177	return d;
2535	}	2178	}
2536		2179
2537	/*	2180	/*
2538	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2181	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
…		…
2540	*/	2183	*/
2541		2184
2542	int	2185	int
2543	dirdiff (int dir1, int dir2)	2186	dirdiff (int dir1, int dir2)
2544	{	2187	{
2545	int	2188	int d;
2546	d;
2547		2189
2548	d = abs (dir1 - dir2);	2190	d = abs (dir1 - dir2);
2549	if (d > 4)	2191	if (d > 4)
2550	d = 8 - d;	2192	d = 8 - d;
		2193
2551	return d;	2194	return d;
2552	}	2195	}
2553		2196
2554	/* peterm:	2197	/* peterm:
2555	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2198	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2558	* This basically means that if direction is 15, then it could either go	2201	* This basically means that if direction is 15, then it could either go
2559	* direction 4, 14, or 16 to get back to where we are.	2202	* direction 4, 14, or 16 to get back to where we are.
2560	* Moved from spell_util.c to object.c with the other related direction	2203	* Moved from spell_util.c to object.c with the other related direction
2561	* functions.	2204	* functions.
2562	*/	2205	*/
2563
2564	int
2565	reduction_dir[SIZEOFFREE][3] = {	2206	int reduction_dir[SIZEOFFREE][3] = {
2566	{0, 0, 0}, /* 0 */	2207	{0, 0, 0}, /* 0 */
2567	{0, 0, 0}, /* 1 */	2208	{0, 0, 0}, /* 1 */
2568	{0, 0, 0}, /* 2 */	2209	{0, 0, 0}, /* 2 */
2569	{0, 0, 0}, /* 3 */	2210	{0, 0, 0}, /* 3 */
2570	{0, 0, 0}, /* 4 */	2211	{0, 0, 0}, /* 4 */
…		…
2618	* find a path to that monster that we found. If not,	2259	* find a path to that monster that we found. If not,
2619	* we don't bother going toward it. Returns 1 if we	2260	* we don't bother going toward it. Returns 1 if we
2620	* can see a direct way to get it	2261	* can see a direct way to get it
2621	* Modified to be map tile aware -.MSW	2262	* Modified to be map tile aware -.MSW
2622	*/	2263	*/
2623
2624
2625	int	2264	int
2626	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2265	can_see_monsterP (maptile *m, int x, int y, int dir)
2627	{	2266	{
2628	sint16	2267	sint16 dx, dy;
2629	dx,
2630	dy;
2631	int
2632	mflags;	2268	int mflags;
2633		2269
2634	if (dir < 0)	2270	if (dir < 0)
2635	return 0; /* exit condition: invalid direction */	2271	return 0; /* exit condition: invalid direction */
2636		2272
2637	dx = x + freearr_x[dir];	2273	dx = x + freearr_x[dir];
…		…
2650	return 0;	2286	return 0;
2651		2287
2652	/* yes, can see. */	2288	/* yes, can see. */
2653	if (dir < 9)	2289	if (dir < 9)
2654	return 1;	2290	return 1;
		2291
2655	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2292	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2656	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2293	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2294	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2657	}	2295	}
2658
2659
2660		2296
2661	/*	2297	/*
2662	* can_pick(picker, item): finds out if an object is possible to be	2298	* can_pick(picker, item): finds out if an object is possible to be
2663	* picked up by the picker. Returnes 1 if it can be	2299	* picked up by the picker. Returnes 1 if it can be
2664	* picked up, otherwise 0.	2300	* picked up, otherwise 0.
…		…
2675	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2311	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2676	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2312	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2677	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2313	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2678	}	2314	}
2679		2315
2680
2681	/*	2316	/*
2682	* create clone from object to another	2317	* create clone from object to another
2683	*/	2318	*/
2684	object *	2319	object *
2685	object_create_clone (object *asrc)	2320	object_create_clone (object *asrc)
2686	{	2321	{
2687	object *
2688	dst = NULL, *tmp, *src, *part, *prev, *item;	2322	object *dst = 0, *tmp, *src, *part, *prev, *item;
2689		2323
2690	if (!asrc)	2324	if (!asrc)
2691	return NULL;	2325	return 0;
		2326
2692	src = asrc;	2327	src = asrc;
2693	if (src->head)	2328	if (src->head)
2694	src = src->head;	2329	src = src->head;
2695		2330
2696	prev = NULL;	2331	prev = 0;
2697	for (part = src; part; part = part->more)	2332	for (part = src; part; part = part->more)
2698	{	2333	{
2699	tmp = get_object ();	2334	tmp = part->clone ();
2700	copy_object (part, tmp);
2701	tmp->x -= src->x;	2335	tmp->x -= src->x;
2702	tmp->y -= src->y;	2336	tmp->y -= src->y;
		2337
2703	if (!part->head)	2338	if (!part->head)
2704	{	2339	{
2705	dst = tmp;	2340	dst = tmp;
2706	tmp->head = NULL;	2341	tmp->head = 0;
2707	}	2342	}
2708	else	2343	else
2709	{
2710	tmp->head = dst;	2344	tmp->head = dst;
2711	}	2345
2712	tmp->more = NULL;	2346	tmp->more = 0;
		2347
2713	if (prev)	2348	if (prev)
2714	prev->more = tmp;	2349	prev->more = tmp;
		2350
2715	prev = tmp;	2351	prev = tmp;
2716	}	2352	}
2717		2353
2718	/*** copy inventory ***/
2719	for (item = src->inv; item; item = item->below)	2354	for (item = src->inv; item; item = item->below)
2720	{
2721	(void) insert_ob_in_ob (object_create_clone (item), dst);	2355	insert_ob_in_ob (object_create_clone (item), dst);
2722	}
2723		2356
2724	return dst;	2357	return dst;
2725	}	2358	}
2726		2359
2727	/* return true if the object was destroyed, 0 otherwise */
2728	int
2729	was_destroyed (const object *op, tag_t old_tag)
2730	{
2731	/* checking for FLAG_FREED isn't necessary, but makes this function more
2732	* robust */
2733	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2734	}
2735
2736	/* GROS - Creates an object using a string representing its content. */	2360	/* GROS - Creates an object using a string representing its content. */
2737
2738	/* Basically, we save the content of the string to a temp file, then call */	2361	/* Basically, we save the content of the string to a temp file, then call */
2739
2740	/* load_object on it. I admit it is a highly inefficient way to make things, */	2362	/* load_object on it. I admit it is a highly inefficient way to make things, */
2741
2742	/* but it was simple to make and allows reusing the load_object function. */	2363	/* but it was simple to make and allows reusing the load_object function. */
2743
2744	/* Remember not to use load_object_str in a time-critical situation. */	2364	/* Remember not to use load_object_str in a time-critical situation. */
2745
2746	/* Also remember that multiparts objects are not supported for now. */	2365	/* Also remember that multiparts objects are not supported for now. */
2747
2748	object *	2366	object *
2749	load_object_str (const char *obstr)	2367	load_object_str (const char *obstr)
2750	{	2368	{
2751	object *	2369	object *op;
2752	op;
2753	char
2754	filename[MAX_BUF];	2370	char filename[MAX_BUF];
2755		2371
2756	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);	2372	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2757		2373
2758	FILE *
2759	tempfile = fopen (filename, "w");	2374	FILE *tempfile = fopen (filename, "w");
2760		2375
2761	if (tempfile == NULL)	2376	if (tempfile == NULL)
2762	{	2377	{
2763	LOG (llevError, "Error - Unable to access load object temp file\n");	2378	LOG (llevError, "Error - Unable to access load object temp file\n");
2764	return NULL;	2379	return NULL;
2765	};	2380	}
		2381
2766	fprintf (tempfile, obstr);	2382	fprintf (tempfile, obstr);
2767	fclose (tempfile);	2383	fclose (tempfile);
2768		2384
2769	op = get_object ();	2385	op = object::create ();
2770		2386
2771	object_thawer	2387	object_thawer thawer (filename);
2772	thawer (filename);
2773		2388
2774	if (thawer)	2389	if (thawer)
2775	load_object (thawer, op, 0);	2390	load_object (thawer, op, 0);
2776		2391
2777	LOG (llevDebug, " load str completed, object=%s\n", &op->name);	2392	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
…		…
2785	* returns NULL if no match.	2400	* returns NULL if no match.
2786	*/	2401	*/
2787	object *	2402	object *
2788	find_obj_by_type_subtype (const object *who, int type, int subtype)	2403	find_obj_by_type_subtype (const object *who, int type, int subtype)
2789	{	2404	{
2790	object *
2791	tmp;
2792
2793	for (tmp = who->inv; tmp; tmp = tmp->below)	2405	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2794	if (tmp->type == type && tmp->subtype == subtype)	2406	if (tmp->type == type && tmp->subtype == subtype)
2795	return tmp;	2407	return tmp;
2796		2408
2797	return NULL;	2409	return 0;
2798	}	2410	}
2799		2411
2800	/* If ob has a field named key, return the link from the list,	2412	/* If ob has a field named key, return the link from the list,
2801	* otherwise return NULL.	2413	* otherwise return NULL.
2802	*	2414	*
…		…
2804	* do the desired thing.	2416	* do the desired thing.
2805	*/	2417	*/
2806	key_value *	2418	key_value *
2807	get_ob_key_link (const object *ob, const char *key)	2419	get_ob_key_link (const object *ob, const char *key)
2808	{	2420	{
2809	key_value *
2810	link;
2811
2812	for (link = ob->key_values; link != NULL; link = link->next)	2421	for (key_value *link = ob->key_values; link; link = link->next)
2813	{
2814	if (link->key == key)	2422	if (link->key == key)
2815	{
2816	return link;	2423	return link;
2817	}
2818	}
2819		2424
2820	return NULL;	2425	return 0;
2821	}	2426	}
2822		2427
2823	/*	2428	/*
2824	* Returns the value of op has an extra_field for key, or NULL.	2429	* Returns the value of op has an extra_field for key, or NULL.
2825	*	2430	*
…		…
2828	* The returned string is shared.	2433	* The returned string is shared.
2829	*/	2434	*/
2830	const char *	2435	const char *
2831	get_ob_key_value (const object *op, const char *const key)	2436	get_ob_key_value (const object *op, const char *const key)
2832	{	2437	{
2833	key_value *	2438	key_value *link;
2834	link;	2439	shstr_cmp canonical_key (key);
2835	const char *
2836	canonical_key;
2837		2440
2838	canonical_key = shstr::find (key);
2839
2840	if (canonical_key == NULL)	2441	if (!canonical_key)
2841	{	2442	{
2842	/* 1. There being a field named key on any object	2443	/* 1. There being a field named key on any object
2843	* implies there'd be a shared string to find.	2444	* implies there'd be a shared string to find.
2844	* 2. Since there isn't, no object has this field.	2445	* 2. Since there isn't, no object has this field.
2845	* 3. Therefore, *this* object doesn't have this field.	2446	* 3. Therefore, *this* object doesn't have this field.
2846	*/	2447	*/
2847	return NULL;	2448	return 0;
2848	}	2449	}
2849		2450
2850	/* This is copied from get_ob_key_link() above -	2451	/* This is copied from get_ob_key_link() above -
2851	* only 4 lines, and saves the function call overhead.	2452	* only 4 lines, and saves the function call overhead.
2852	*/	2453	*/
2853	for (link = op->key_values; link != NULL; link = link->next)	2454	for (link = op->key_values; link; link = link->next)
2854	{
2855	if (link->key == canonical_key)	2455	if (link->key == canonical_key)
2856	{
2857	return link->value;	2456	return link->value;
2858	}	2457
2859	}
2860	return NULL;	2458	return 0;
2861	}	2459	}
2862		2460
2863		2461
2864	/*	2462	/*
2865	* Updates the canonical_key in op to value.	2463	* Updates the canonical_key in op to value.
…		…
2872	* Returns TRUE on success.	2470	* Returns TRUE on success.
2873	*/	2471	*/
2874	int	2472	int
2875	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2473	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2876	{	2474	{
2877	key_value *
2878	field = NULL, *last = NULL;	2475	key_value *field = NULL, *last = NULL;
2879		2476
2880	for (field = op->key_values; field != NULL; field = field->next)	2477	for (field = op->key_values; field != NULL; field = field->next)
2881	{	2478	{
2882	if (field->key != canonical_key)	2479	if (field->key != canonical_key)
2883	{	2480	{
…		…
2901	if (last)	2498	if (last)
2902	last->next = field->next;	2499	last->next = field->next;
2903	else	2500	else
2904	op->key_values = field->next;	2501	op->key_values = field->next;
2905		2502
2906	delete
2907	field;	2503	delete field;
2908	}	2504	}
2909	}	2505	}
2910	return TRUE;	2506	return TRUE;
2911	}	2507	}
2912	/* IF we get here, key doesn't exist */	2508	/* IF we get here, key doesn't exist */
2913		2509
2914	/* No field, we'll have to add it. */	2510	/* No field, we'll have to add it. */
2915		2511
2916	if (!add_key)	2512	if (!add_key)
2917	{
2918	return FALSE;	2513	return FALSE;
2919	}	2514
2920	/* There isn't any good reason to store a null	2515	/* There isn't any good reason to store a null
2921	* value in the key/value list. If the archetype has	2516	* value in the key/value list. If the archetype has
2922	* this key, then we should also have it, so shouldn't	2517	* this key, then we should also have it, so shouldn't
2923	* be here. If user wants to store empty strings,	2518	* be here. If user wants to store empty strings,
2924	* should pass in ""	2519	* should pass in ""
…		…
2947	* Returns TRUE on success.	2542	* Returns TRUE on success.
2948	*/	2543	*/
2949	int	2544	int
2950	set_ob_key_value (object *op, const char *key, const char *value, int add_key)	2545	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2951	{	2546	{
2952	shstr
2953	key_ (key);	2547	shstr key_ (key);
2954		2548
2955	return set_ob_key_value_s (op, key_, value, add_key);	2549	return set_ob_key_value_s (op, key_, value, add_key);
2956	}	2550	}
		2551
		2552	object::depth_iterator::depth_iterator (object *container)
		2553	: iterator_base (container)
		2554	{
		2555	while (item->inv)
		2556	item = item->inv;
		2557	}
		2558
		2559	void
		2560	object::depth_iterator::next ()
		2561	{
		2562	if (item->below)
		2563	{
		2564	item = item->below;
		2565
		2566	while (item->inv)
		2567	item = item->inv;
		2568	}
		2569	else
		2570	item = item->env;
		2571	}
		2572
		2573
		2574	const char *
		2575	object::flag_desc (char *desc, int len) const
		2576	{
		2577	char *p = desc;
		2578	bool first = true;
		2579
		2580	*p = 0;
		2581
		2582	for (int i = 0; i < NUM_FLAGS; i++)
		2583	{
		2584	if (len <= 10) // magic constant!
		2585	{
		2586	snprintf (p, len, ",...");
		2587	break;
		2588	}
		2589
		2590	if (flag [i])
		2591	{
		2592	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2593	len -= cnt;
		2594	p += cnt;
		2595	first = false;
		2596	}
		2597	}
		2598
		2599	return desc;
		2600	}
		2601
		2602	// return a suitable string describing an object in enough detail to find it
		2603	const char *
		2604	object::debug_desc (char *info) const
		2605	{
		2606	char flagdesc[512];
		2607	char info2[256 * 4];
		2608	char *p = info;
		2609
		2610	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",
		2611	count, uuid.seq,
		2612	&name,
		2613	title ? "\",title:" : "",
		2614	title ? (const char *)title : "",
		2615	flag_desc (flagdesc, 512), type);
		2616
		2617	if (env)
		2618	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2619
		2620	if (map)
		2621	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
		2622
		2623	return info;
		2624	}
		2625
		2626	const char *
		2627	object::debug_desc () const
		2628	{
		2629	static char info[256 * 4];
		2630	return debug_desc (info);
		2631	}
		2632

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