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Comparing deliantra/server/common/object.C (file contents):
Revision 1.27 by root, Mon Sep 11 12:08:45 2006 UTC vs.
Revision 1.107 by pippijn, Sat Jan 6 14:42:29 2007 UTC

1
2	/*
3	* static char *rcsid_object_c =
4	* "$Id: object.C,v 1.27 2006/09/11 12:08:45 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 */
46	object *active_objects; /* List of active objects that need to be processed */	42	object *active_objects; /* List of active objects that need to be processed */
47		43
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,	44	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	45	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	};	46	};
…		…
57	int freedir[SIZEOFFREE] = {	53	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,	54	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	55	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	};	56	};
61		57
		58	static void
		59	write_uuid (void)
		60	{
		61	char filename1[MAX_BUF], filename2[MAX_BUF];
		62
		63	sprintf (filename1, "%s/uuid", settings.localdir);
		64	sprintf (filename2, "%s/uuid~", settings.localdir);
		65
		66	FILE *fp;
		67
		68	if (!(fp = fopen (filename2, "w")))
		69	{
		70	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
		71	return;
		72	}
		73
		74	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
		75	fclose (fp);
		76	rename (filename2, filename1);
		77	}
		78
		79	static void
		80	read_uuid (void)
		81	{
		82	char filename[MAX_BUF];
		83
		84	sprintf (filename, "%s/uuid", settings.localdir);
		85
		86	FILE *fp;
		87
		88	if (!(fp = fopen (filename, "r")))
		89	{
		90	if (errno == ENOENT)
		91	{
		92	LOG (llevInfo, "RESET uid to 1\n");
		93	uuid.seq = 0;
		94	write_uuid ();
		95	return;
		96	}
		97
		98	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
		99	_exit (1);
		100	}
		101
		102	int version;
		103	unsigned long long uid;
		104	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)
		105	{
		106	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);
		107	_exit (1);
		108	}
		109
		110	uuid.seq = uid;
		111	write_uuid ();
		112	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
		113	fclose (fp);
		114	}
		115
		116	UUID
		117	gen_uuid ()
		118	{
		119	UUID uid;
		120
		121	uid.seq = ++uuid.seq;
		122
		123	if (!(uuid.seq & (UUID_SKIP - 1)))
		124	write_uuid ();
		125
		126	return uid;
		127	}
		128
		129	void
		130	init_uuid ()
		131	{
		132	read_uuid ();
		133	}
		134
62	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	135	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
63	static int	136	static int
64	compare_ob_value_lists_one (const object *wants, const object *has)	137	compare_ob_value_lists_one (const object *wants, const object *has)
65	{	138	{
66	key_value *wants_field;	139	key_value *wants_field;
…		…
69	* objects with lists are rare, and lists stay short. If not, use a	142	* objects with lists are rare, and lists stay short. If not, use a
70	* different structure or at least keep the lists sorted...	143	* different structure or at least keep the lists sorted...
71	*/	144	*/
72		145
73	/* For each field in wants, */	146	/* For each field in wants, */
74	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	147	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
75	{	148	{
76	key_value *has_field;	149	key_value *has_field;
77		150
78	/* Look for a field in has with the same key. */	151	/* Look for a field in has with the same key. */
79	has_field = get_ob_key_link (has, wants_field->key);	152	has_field = get_ob_key_link (has, wants_field->key);
…		…
113	*	186	*
114	* Note that this function appears a lot longer than the macro it	187	* Note that this function appears a lot longer than the macro it
115	* replaces - this is mostly for clarity - a decent compiler should hopefully	188	* replaces - this is mostly for clarity - a decent compiler should hopefully
116	* reduce this to the same efficiency.	189	* reduce this to the same efficiency.
117	*	190	*
118	* Check nrof variable *before* calling CAN_MERGE()	191	* Check nrof variable *before* calling can_merge()
119	*	192	*
120	* Improvements made with merge: Better checking on potion, and also	193	* Improvements made with merge: Better checking on potion, and also
121	* check weight	194	* check weight
122	*/	195	*/
123
124	bool object::can_merge (object *ob1, object *ob2)	196	bool object::can_merge_slow (object *ob1, object *ob2)
125	{	197	{
126	/* A couple quicksanity checks */	198	/* A couple quicksanity checks */
127	if ((ob1 == ob2) || (ob1->type != ob2->type))	199	if (ob1 == ob2
		200	|| ob1->type != ob2->type
		201	|| ob1->speed != ob2->speed
		202	|| ob1->value != ob2->value
		203	|| ob1->name != ob2->name)
128	return 0;	204	return 0;
129		205
130	if (ob1->speed != ob2->speed)	206	//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	207	/* 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	208	* value could not be stored in a sint32 (which unfortunately sometimes is
135	* used to store nrof).	209	* used to store nrof).
136	*/	210	*/
137	if (ob1->nrof + ob2->nrof >= 1UL << 31)	211	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
147	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
148		222
149	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
150	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
151		225
152		226	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	227	|| 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) ||	228	|| ob1->name != ob2->name
163	(ob1->title != ob2->title) ||	229	|| ob1->title != ob2->title
164	(ob1->msg != ob2->msg) ||	230	|| ob1->msg != ob2->msg
165	(ob1->weight != ob2->weight) ||	231	|| ob1->weight != ob2->weight
166	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	232	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
167	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	233	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
168	(ob1->attacktype != ob2->attacktype) ||	234	|| ob1->attacktype != ob2->attacktype
169	(ob1->magic != ob2->magic) ||	235	|| ob1->magic != ob2->magic
170	(ob1->slaying != ob2->slaying) ||	236	|| ob1->slaying != ob2->slaying
171	(ob1->skill != ob2->skill) ||	237	|| ob1->skill != ob2->skill
172	(ob1->value != ob2->value) ||	238	|| ob1->value != ob2->value
173	(ob1->animation_id != ob2->animation_id) ||	239	|| ob1->animation_id != ob2->animation_id
174	(ob1->client_type != ob2->client_type) ||	240	|| ob1->client_type != ob2->client_type
175	(ob1->materialname != ob2->materialname) ||	241	|| ob1->materialname != ob2->materialname
176	(ob1->lore != ob2->lore) ||	242	|| ob1->lore != ob2->lore
177	(ob1->subtype != ob2->subtype) ||	243	|| ob1->subtype != ob2->subtype
178	(ob1->move_type != ob2->move_type) ||	244	|| ob1->move_type != ob2->move_type
179	(ob1->move_block != ob2->move_block) ||	245	|| ob1->move_block != ob2->move_block
180	(ob1->move_allow != ob2->move_allow) ||	246	|| ob1->move_allow != ob2->move_allow
181	(ob1->move_on != ob2->move_on) ||	247	|| 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))	248	|| ob1->move_off != ob2->move_off
		249	|| ob1->move_slow != ob2->move_slow
		250	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
183	return 0;	251	return 0;
184		252
185	/* This is really a spellbook check - really, we should	253	/* This is really a spellbook check - really, we should
186	* check all objects in the inventory.	254	* check all objects in the inventory.
187	*/	255	*/
…		…
190	/* if one object has inventory but the other doesn't, not equiv */	258	/* if one object has inventory but the other doesn't, not equiv */
191	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	259	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
192	return 0;	260	return 0;
193		261
194	/* Now check to see if the two inventory objects could merge */	262	/* Now check to see if the two inventory objects could merge */
195	if (!CAN_MERGE (ob1->inv, ob2->inv))	263	if (!object::can_merge (ob1->inv, ob2->inv))
196	return 0;	264	return 0;
197		265
198	/* inventory ok - still need to check rest of this object to see	266	/* inventory ok - still need to check rest of this object to see
199	* if it is valid.	267	* if it is valid.
200	*/	268	*/
…		…
209		277
210	/* Note sure why the following is the case - either the object has to	278	/* 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	279	* be animated or have a very low speed. Is this an attempted monster
212	* check?	280	* check?
213	*/	281	*/
214	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
215	return 0;	283	return 0;
216		284
217	switch (ob1->type)	285	switch (ob1->type)
218	{	286	{
219	case SCROLL:	287	case SCROLL:
220	if (ob1->level != ob2->level)	288	if (ob1->level != ob2->level)
221	return 0;	289	return 0;
222	break;	290	break;
223	}	291	}
224		292
225	if (ob1->key_values != NULL || ob2->key_values != NULL)	293	if (ob1->key_values != NULL || ob2->key_values != NULL)
226	{	294	{
227	/* At least one of these has key_values. */	295	/* At least one of these has key_values. */
…		…
249	/*	317	/*
250	* sum_weight() is a recursive function which calculates the weight	318	* sum_weight() is a recursive function which calculates the weight
251	* an object is carrying. It goes through in figures out how much	319	* an object is carrying. It goes through in figures out how much
252	* containers are carrying, and sums it up.	320	* containers are carrying, and sums it up.
253	*/	321	*/
254	signed long	322	long
255	sum_weight (object *op)	323	sum_weight (object *op)
256	{	324	{
257	signed long sum;	325	long sum;
258	object *inv;	326	object *inv;
259		327
260	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)
261	{	329	{
262	if (inv->inv)	330	if (inv->inv)
263	sum_weight (inv);	331	sum_weight (inv);
264	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
265	}	333	}
		334
266	if (op->type == CONTAINER && op->stats.Str)	335	if (op->type == CONTAINER && op->stats.Str)
267	sum = (sum * (100 - op->stats.Str)) / 100;	336	sum = (sum * (100 - op->stats.Str)) / 100;
		337
268	if (op->carrying != sum)	338	if (op->carrying != sum)
269	op->carrying = sum;	339	op->carrying = sum;
		340
270	return sum;	341	return sum;
271	}	342	}
272		343
273	/**	344	/**
274	* Return the outermost environment object for a given object.	345	* Return the outermost environment object for a given object.
…		…
281	op = op->env;	352	op = op->env;
282	return op;	353	return op;
283	}	354	}
284		355
285	/*	356	/*
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.	357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
302	* Some error messages.	358	* Some error messages.
303	* The result of the dump is stored in the static global errmsg array.	359	* The result of the dump is stored in the static global errmsg array.
304	*/	360	*/
305		361
306	void	362	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)	363	dump_object (object *op)
362	{	364	{
363	if (op == NULL)	365	if (!op)
364	{	366	return strdup ("[NULLOBJ]");
365	strcpy (errmsg, "[NULL pointer]");
366	return;
367	}
368	errmsg[0] = '\0';
369	dump_object2 (op);
370	}
371		367
372	void	368	object_freezer freezer;
373	dump_all_objects (void)	369	save_object (freezer, op, 1);
374	{	370	return freezer.as_string ();
375	object *op;
376
377	for (op = objects; op != NULL; op = op->next)
378	{
379	dump_object (op);
380	fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
381	}
382	}	371	}
383		372
384	/*	373	/*
385	* get_nearest_part(multi-object, object 2) returns the part of the	374	* get_nearest_part(multi-object, object 2) returns the part of the
386	* multi-object 1 which is closest to the second object.	375	* multi-object 1 which is closest to the second object.
…		…
406	*/	395	*/
407		396
408	object *	397	object *
409	find_object (tag_t i)	398	find_object (tag_t i)
410	{	399	{
411	object *op;	400	for (object *op = object::first; op; op = op->next)
412
413	for (op = objects; op != NULL; op = op->next)
414	if (op->count == i)	401	if (op->count == i)
415	break;	402	return op;
		403
416	return op;	404	return 0;
417	}	405	}
418		406
419	/*	407	/*
420	* Returns the first object which has a name equal to the argument.	408	* Returns the first object which has a name equal to the argument.
421	* Used only by the patch command, but not all that useful.	409	* Used only by the patch command, but not all that useful.
…		…
423	*/	411	*/
424		412
425	object *	413	object *
426	find_object_name (const char *str)	414	find_object_name (const char *str)
427	{	415	{
428	const char *name = shstr::find (str);	416	shstr_cmp str_ (str);
429	object *op;	417	object *op;
430		418
431	for (op = objects; op != NULL; op = op->next)	419	for (op = object::first; op != NULL; op = op->next)
432	if (&op->name == name)	420	if (op->name == str_)
433	break;	421	break;
434		422
435	return op;	423	return op;
436	}	424	}
437		425
…		…
440	{	428	{
441	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);	429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
442	}	430	}
443		431
444	/*	432	/*
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	433	* Sets the owner and sets the skill and exp pointers to owner's current
484	* skill and experience objects.	434	* skill and experience objects.
485	*/	435	*/
486	void	436	void
487	set_owner (object *op, object *owner)	437	object::set_owner (object *owner)
488	{	438	{
489	if (owner == NULL || op == NULL)	439	if (!owner)
490	return;	440	return;
491		441
492	/* next line added to allow objects which own objects */	442	/* next line added to allow objects which own objects */
493	/* Add a check for ownercounts in here, as I got into an endless loop	443	/* 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	444	* with the fireball owning a poison cloud which then owned the
495	* fireball. I believe that was caused by one of the objects getting	445	* fireball. I believe that was caused by one of the objects getting
496	* freed and then another object replacing it. Since the ownercounts	446	* 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.	447	* didn't match, this check is valid and I believe that cause is valid.
498	*/	448	*/
499	while (owner->owner && owner != owner->owner && owner->ownercount == owner->owner->count)	449	while (owner->owner)
500	owner = owner->owner;	450	owner = owner->owner;
501		451
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;	452	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	}	453	}
542		454
543	/* Zero the key_values on op, decrementing the shared-string	455	/* Zero the key_values on op, decrementing the shared-string
544	* refcounts and freeing the links.	456	* refcounts and freeing the links.
545	*/	457	*/
…		…
555	}	467	}
556		468
557	op->key_values = 0;	469	op->key_values = 0;
558	}	470	}
559		471
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	/*	472	/*
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,	473	* copy_to first frees everything allocated by the dst object,
627	* and then copies the contends of the first object into the second	474	* and then copies the contents of itself into the second
628	* object, allocating what needs to be allocated. Basically, any	475	* object, allocating what needs to be allocated. Basically, any
629	* data that is malloc'd needs to be re-malloc/copied. Otherwise,	476	* 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	477	* if the first object is freed, the pointers in the new object
631	* will point at garbage.	478	* will point at garbage.
632	*/	479	*/
633
634	void	480	void
635	copy_object (object *op2, object *op)	481	object::copy_to (object *dst)
636	{	482	{
637	bool is_freed = QUERY_FLAG (op, FLAG_FREED);	483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
638	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);	484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
639		485
640	op2->clone (op);	486	*(object_copy *)dst = *this;
641		487
642	if (is_freed)	488	if (is_freed)
643	SET_FLAG (op, FLAG_FREED);	489	SET_FLAG (dst, FLAG_FREED);
		490
644	if (is_removed)	491	if (is_removed)
645	SET_FLAG (op, FLAG_REMOVED);	492	SET_FLAG (dst, FLAG_REMOVED);
646		493
647	if (op2->speed < 0)	494	if (speed < 0)
648	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;	495	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
649		496
650	/* Copy over key_values, if any. */	497	/* Copy over key_values, if any. */
651	if (op2->key_values)	498	if (key_values)
652	{	499	{
653	key_value *tail = 0;	500	key_value *tail = 0;
654	key_value *i;	501	key_value *i;
655		502
656	op->key_values = 0;	503	dst->key_values = 0;
657		504
658	for (i = op2->key_values; i; i = i->next)	505	for (i = key_values; i; i = i->next)
659	{	506	{
660	key_value *new_link = new key_value;	507	key_value *new_link = new key_value;
661		508
662	new_link->next = 0;	509	new_link->next = 0;
663	new_link->key = i->key;	510	new_link->key = i->key;
664	new_link->value = i->value;	511	new_link->value = i->value;
665		512
666	/* Try and be clever here, too. */	513	/* Try and be clever here, too. */
667	if (!op->key_values)	514	if (!dst->key_values)
668	{	515	{
669	op->key_values = new_link;	516	dst->key_values = new_link;
670	tail = new_link;	517	tail = new_link;
671	}	518	}
672	else	519	else
673	{	520	{
674	tail->next = new_link;	521	tail->next = new_link;
675	tail = new_link;	522	tail = new_link;
676	}	523	}
677	}	524	}
678	}	525	}
679		526
680	update_ob_speed (op);	527	dst->set_speed (dst->speed);
		528	}
		529
		530	object *
		531	object::clone ()
		532	{
		533	object *neu = create ();
		534	copy_to (neu);
		535	return neu;
681	}	536	}
682		537
683	/*	538	/*
684	* If an object with the IS_TURNABLE() flag needs to be turned due	539	* 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	540	* 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.	541	* be called to update the face variable, _and_ how it looks on the map.
687	*/	542	*/
688
689	void	543	void
690	update_turn_face (object *op)	544	update_turn_face (object *op)
691	{	545	{
692	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	546	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
693	return;	547	return;
		548
694	SET_ANIMATION (op, op->direction);	549	SET_ANIMATION (op, op->direction);
695	update_object (op, UP_OBJ_FACE);	550	update_object (op, UP_OBJ_FACE);
696	}	551	}
697		552
698	/*	553	/*
699	* Updates the speed of an object. If the speed changes from 0 to another	554	* 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.	555	* 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.	556	* This function needs to be called whenever the speed of an object changes.
702	*/	557	*/
703
704	void	558	void
705	update_ob_speed (object *op)	559	object::set_speed (float speed)
706	{	560	{
707	extern int arch_init;	561	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	{	562	{
715	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	563	LOG (llevError, "Object %s is freed but has speed.\n", &name);
716	#ifdef MANY_CORES
717	abort ();
718	#else
719	op->speed = 0;	564	speed = 0;
720	#endif
721	}
722	if (arch_init)
723	{	565	}
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		566
732	/* process_events() expects us to insert the object at the beginning	567	this->speed = speed;
733	* of the list. */	568
734	op->active_next = active_objects;	569	if (has_active_speed ())
735	if (op->active_next != NULL)	570	activate ();
736	op->active_next->active_prev = op;
737	active_objects = op;
738	}
739	else	571	else
740	{	572	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	}	573	}
761		574
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	/*	575	/*
794	* update_object() updates the array which represents the map.	576	* update_object() updates the the map.
795	* It takes into account invisible objects (and represent squares covered	577	* It takes into account invisible objects (and represent squares covered
796	* by invisible objects by whatever is below them (unless it's another	578	* by invisible objects by whatever is below them (unless it's another
797	* invisible object, etc...)	579	* invisible object, etc...)
798	* If the object being updated is beneath a player, the look-window	580	* 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	581	* of that player is updated (this might be a suboptimal way of
800	* updating that window, though, since update_object() is called _often_)	582	* updating that window, though, since update_object() is called _often_)
801	*	583	*
802	* action is a hint of what the caller believes need to be done.	584	* 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:	585	* current action are:
808	* UP_OBJ_INSERT: op was inserted	586	* UP_OBJ_INSERT: op was inserted
809	* UP_OBJ_REMOVE: op was removed	587	* UP_OBJ_REMOVE: op was removed
810	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	588	* 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.	589	* as that is easier than trying to look at what may have changed.
812	* UP_OBJ_FACE: only the objects face has changed.	590	* UP_OBJ_FACE: only the objects face has changed.
813	*/	591	*/
814
815	void	592	void
816	update_object (object *op, int action)	593	update_object (object *op, int action)
817	{	594	{
818	int update_now = 0, flags;
819	MoveType move_on, move_off, move_block, move_slow;	595	MoveType move_on, move_off, move_block, move_slow;
820		596
821	if (op == NULL)	597	if (op == NULL)
822	{	598	{
823	/* this should never happen */	599	/* this should never happen */
824	LOG (llevDebug, "update_object() called for NULL object.\n");	600	LOG (llevDebug, "update_object() called for NULL object.\n");
825	return;	601	return;
826	}	602	}
827		603
828	if (op->env != NULL)	604	if (op->env)
829	{	605	{
830	/* Animation is currently handled by client, so nothing	606	/* Animation is currently handled by client, so nothing
831	* to do in this case.	607	* to do in this case.
832	*/	608	*/
833	return;	609	return;
…		…
838	*/	614	*/
839	if (!op->map || op->map->in_memory == MAP_SAVING)	615	if (!op->map || op->map->in_memory == MAP_SAVING)
840	return;	616	return;
841		617
842	/* make sure the object is within map boundaries */	618	/* 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))	619	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
844	{	620	{
845	LOG (llevError, "update_object() called for object out of map!\n");	621	LOG (llevError, "update_object() called for object out of map!\n");
846	#ifdef MANY_CORES	622	#ifdef MANY_CORES
847	abort ();	623	abort ();
848	#endif	624	#endif
849	return;	625	return;
850	}	626	}
851		627
852	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	628	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		629
		630	if (!(m.flags_ & P_UPTODATE))
		631	/* nop */;
859	if (action == UP_OBJ_INSERT)	632	else if (action == UP_OBJ_INSERT)
860	{	633	{
		634	// this is likely overkill, TODO: revisit (schmorp)
861	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	635	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))	636	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
865	update_now = 1;	637	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
866		638	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		639	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
867	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	640	|| (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)	641	|| (m.move_on | op->move_on ) != m.move_on
877	update_now = 1;
878
879	if ((move_off | op->move_off) != move_off)	642	|| (m.move_off | op->move_off ) != m.move_off
880	update_now = 1;	643	|| (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	644	/* This isn't perfect, but I don't expect a lot of objects to
883	* to have move_allow right now.	645	* to have move_allow right now.
884	*/	646	*/
885	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	647	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
886	update_now = 1;	648	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
887		649	m.flags_ = 0;
888	if ((move_slow | op->move_slow) != move_slow)
889	update_now = 1;
890	}	650	}
891	/* if the object is being removed, we can't make intelligent	651	/* if the object is being removed, we can't make intelligent
892	* decisions, because remove_ob can't really pass the object	652	* decisions, because remove_ob can't really pass the object
893	* that is being removed.	653	* that is being removed.
894	*/	654	*/
895	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	655	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
896	update_now = 1;	656	m.flags_ = 0;
897	else if (action == UP_OBJ_FACE)	657	else if (action == UP_OBJ_FACE)
898	/* Nothing to do for that case */;	658	/* Nothing to do for that case */ ;
899	else	659	else
900	LOG (llevError, "update_object called with invalid action: %d\n", action);	660	LOG (llevError, "update_object called with invalid action: %d\n", action);
901		661
902	if (update_now)
903	{
904	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
905	update_position (op->map, op->x, op->y);
906	}
907
908	if (op->more != NULL)	662	if (op->more)
909	update_object (op->more, action);	663	update_object (op->more, action);
910	}	664	}
911		665
912	static unordered_vector<object *> mortals;	666	object *object::first;
913	static std::vector<object *> freed;
914
915	void object::free_mortals ()
916	{
917	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end (); )
918	if (!(*i)->refcount)
919	{
920	freed.push_back (*i);
921	mortals.erase (i);
922	}
923	else
924	++i;
925	}
926		667
927	object::object ()	668	object::object ()
928	{	669	{
929	SET_FLAG (this, FLAG_REMOVED);	670	SET_FLAG (this, FLAG_REMOVED);
930		671
931	expmul = 1.0;	672	expmul = 1.0;
932	face = blank_face;	673	face = blank_face;
933	attacked_by_count = -1;
934	}	674	}
935		675
936	object::~object ()	676	object::~object ()
937	{	677	{
938	free_key_values (this);	678	free_key_values (this);
939	}	679	}
940		680
941	void object::link ()	681	void object::link ()
942	{	682	{
943	count = ++ob_count;	683	count = ++ob_count;
		684	uuid = gen_uuid ();
944		685
945	prev = 0;	686	prev = 0;
946	next = objects;	687	next = object::first;
947		688
948	if (objects)	689	if (object::first)
949	objects->prev = this;	690	object::first->prev = this;
950		691
951	objects = this;	692	object::first = this;
952	}	693	}
953		694
954	void object::unlink ()	695	void object::unlink ()
955	{	696	{
956	count = 0;	697	if (this == object::first)
		698	object::first = next;
957		699
958	/* Remove this object from the list of used objects */	700	/* Remove this object from the list of used objects */
959	if (prev)
960	{
961	prev->next = next;	701	if (prev) prev->next = next;
		702	if (next) next->prev = prev;
		703
962	prev = 0;	704	prev = 0;
963	}
964
965	if (next)
966	{
967	next->prev = prev;
968	next = 0;	705	next = 0;
		706	}
		707
		708	bool
		709	object::active () const
		710	{
		711	return active_next || active_prev || this == active_objects;
		712	}
		713
		714	void
		715	object::activate ()
		716	{
		717	/* If already on active list, don't do anything */
		718	if (active ())
		719	return;
		720
		721	if (has_active_speed ())
969	}	722	{
		723	/* process_events() expects us to insert the object at the beginning
		724	* of the list. */
		725	active_next = active_objects;
970		726
971	if (this == objects)	727	if (active_next)
972	objects = next;	728	active_next->active_prev = this;
		729
		730	active_objects = this;
		731	}
		732	}
		733
		734	void
		735	object::activate_recursive ()
		736	{
		737	activate ();
		738
		739	for (object *op = inv; op; op = op->below)
		740	op->activate_recursive ();
		741	}
		742
		743	/* This function removes object 'op' from the list of active
		744	* objects.
		745	* This should only be used for style maps or other such
		746	* reference maps where you don't want an object that isn't
		747	* in play chewing up cpu time getting processed.
		748	* The reverse of this is to call update_ob_speed, which
		749	* will do the right thing based on the speed of the object.
		750	*/
		751	void
		752	object::deactivate ()
		753	{
		754	/* If not on the active list, nothing needs to be done */
		755	if (!active ())
		756	return;
		757
		758	if (active_prev == 0)
		759	{
		760	active_objects = active_next;
		761	if (active_next)
		762	active_next->active_prev = 0;
		763	}
		764	else
		765	{
		766	active_prev->active_next = active_next;
		767	if (active_next)
		768	active_next->active_prev = active_prev;
		769	}
		770
		771	active_next = 0;
		772	active_prev = 0;
		773	}
		774
		775	void
		776	object::deactivate_recursive ()
		777	{
		778	for (object *op = inv; op; op = op->below)
		779	op->deactivate_recursive ();
		780
		781	deactivate ();
		782	}
		783
		784	void
		785	object::set_flag_inv (int flag, int value)
		786	{
		787	for (object *op = inv; op; op = op->below)
		788	{
		789	op->flag [flag] = value;
		790	op->set_flag_inv (flag, value);
		791	}
		792	}
		793
		794	/*
		795	* Remove and free all objects in the inventory of the given object.
		796	* object.c ?
		797	*/
		798	void
		799	object::destroy_inv (bool drop_to_ground)
		800	{
		801	// need to check first, because the checks below might segfault
		802	// as we might be on an invalid mapspace and crossfire code
		803	// is too buggy to ensure that the inventory is empty.
		804	// corollary: if you create arrows etc. with stuff in tis inventory,
		805	// cf will crash below with off-map x and y
		806	if (!inv)
		807	return;
		808
		809	/* Only if the space blocks everything do we not process -
		810	* if some form of movement is allowed, let objects
		811	* drop on that space.
		812	*/
		813	if (!drop_to_ground
		814	|| !map
		815	|| map->in_memory != MAP_IN_MEMORY
		816	|| ms ().move_block == MOVE_ALL)
		817	{
		818	while (inv)
		819	{
		820	inv->destroy_inv (drop_to_ground);
		821	inv->destroy ();
		822	}
		823	}
		824	else
		825	{ /* Put objects in inventory onto this space */
		826	while (inv)
		827	{
		828	object *op = inv;
		829
		830	if (op->flag [FLAG_STARTEQUIP]
		831	|| op->flag [FLAG_NO_DROP]
		832	|| op->type == RUNE
		833	|| op->type == TRAP
		834	|| op->flag [FLAG_IS_A_TEMPLATE])
		835	op->destroy ();
		836	else
		837	map->insert (op, x, y);
		838	}
		839	}
973	}	840	}
974		841
975	object *object::create ()	842	object *object::create ()
976	{	843	{
977	object *op;
978
979	if (freed.empty ())
980	op = new object;	844	object *op = new object;
981	else
982	{
983	// highly annoying, but the only way to get it stable right now
984	op = freed.back (); freed.pop_back ();
985	op->~object ();
986	new ((void *)op) object;
987	}
988
989	op->link ();	845	op->link ();
990	return op;	846	return op;
991	}	847	}
992		848
993	/*	849	void
994	* free_object() frees everything allocated by an object, removes	850	object::do_destroy ()
995	* it from the list of used objects, and puts it on the list of
996	* free objects. The IS_FREED() flag is set in the object.
997	* The object must have been removed by remove_ob() first for
998	* this function to succeed.
999	*
1000	* If free_inventory is set, free inventory as well. Else drop items in
1001	* inventory to the ground.
1002	*/
1003	void object::free (bool free_inventory)
1004	{	851	{
1005	if (!QUERY_FLAG (this, FLAG_REMOVED))	852	if (flag [FLAG_IS_LINKED])
1006	{	853	remove_button_link (this);
1007	LOG (llevDebug, "Free object called with non removed object\n");
1008	dump_object (this);
1009	#ifdef MANY_CORES
1010	abort ();
1011	#endif
1012	}
1013		854
1014	if (QUERY_FLAG (this, FLAG_FRIENDLY))	855	if (flag [FLAG_FRIENDLY])
1015	{
1016	LOG (llevMonster, "Warning: tried to free friendly object.\n");
1017	remove_friendly_object (this);	856	remove_friendly_object (this);
1018	}
1019		857
1020	if (QUERY_FLAG (this, FLAG_FREED))	858	if (!flag [FLAG_REMOVED])
1021	{	859	remove ();
1022	dump_object (this);	860
1023	LOG (llevError, "Trying to free freed object.\n%s\n", errmsg);	861	if (flag [FLAG_FREED])
1024	return;	862	return;
		863
		864	set_speed (0);
		865
		866	flag [FLAG_FREED] = 1;
		867
		868	attachable::do_destroy ();
		869
		870	destroy_inv (true);
		871	unlink ();
		872
		873	// hack to ensure that freed objects still have a valid map
		874	{
		875	static maptile *freed_map; // freed objects are moved here to avoid crashes
		876
		877	if (!freed_map)
		878	{
		879	freed_map = new maptile;
		880
		881	freed_map->name = "/internal/freed_objects_map";
		882	freed_map->width = 3;
		883	freed_map->height = 3;
		884
		885	freed_map->alloc ();
		886	freed_map->in_memory = MAP_IN_MEMORY;
1025	}	887	}
		888
		889	map = freed_map;
		890	x = 1;
		891	y = 1;
		892	}
		893
		894	head = 0;
1026		895
1027	if (more)	896	if (more)
1028	{	897	{
1029	more->free (free_inventory);	898	more->destroy ();
1030	more = 0;	899	more = 0;
1031	}	900	}
1032		901
1033	if (inv)	902	// clear those pointers that likely might have circular references to us
1034	{	903	owner = 0;
1035	/* Only if the space blocks everything do we not process -	904	enemy = 0;
1036	* if some form of movement is allowed, let objects	905	attacked_by = 0;
1037	* drop on that space.
1038	*/
1039	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || (GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL))
1040	{
1041	object *
1042	op = inv;
1043		906
1044	while (op)	907	// only relevant for players(?), but make sure of it anyways
1045	{	908	contr = 0;
1046	object *	909	}
1047	tmp = op->below;
1048		910
1049	remove_ob (op);	911	void
1050	op->free (free_inventory);	912	object::destroy (bool destroy_inventory)
1051	op = tmp;	913	{
1052	}	914	if (destroyed ())
1053	}	915	return;
1054	else
1055	{ /* Put objects in inventory onto this space */
1056	object *
1057	op = inv;
1058		916
1059	while (op)	917	if (destroy_inventory)
1060	{	918	destroy_inv (false);
1061	object *
1062	tmp = op->below;
1063		919
1064	remove_ob (op);	920	attachable::destroy ();
1065
1066	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1067	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1068	free_object (op);
1069	else
1070	{
1071	op->x = x;
1072	op->y = y;
1073	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
1074	}
1075
1076	op = tmp;
1077	}
1078	}
1079	}
1080
1081	clear_owner (this);
1082
1083	/* Remove object from the active list */
1084	speed = 0;
1085	update_ob_speed (this);
1086
1087	unlink ();
1088
1089	SET_FLAG (this, FLAG_FREED);
1090
1091	mortals.push_back (this);
1092	}	921	}
1093		922
1094	/*	923	/*
1095	* sub_weight() recursively (outwards) subtracts a number from the	924	* sub_weight() recursively (outwards) subtracts a number from the
1096	* weight of an object (and what is carried by it's environment(s)).	925	* weight of an object (and what is carried by it's environment(s)).
1097	*/	926	*/
1098
1099	void	927	void
1100	sub_weight (object *op, signed long weight)	928	sub_weight (object *op, signed long weight)
1101	{	929	{
1102	while (op != NULL)	930	while (op != NULL)
1103	{	931	{
1104	if (op->type == CONTAINER)	932	if (op->type == CONTAINER)
1105	{
1106	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	933	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1107	}	934
1108	op->carrying -= weight;	935	op->carrying -= weight;
1109	op = op->env;	936	op = op->env;
1110	}	937	}
1111	}	938	}
1112		939
1113	/* remove_ob(op):	940	/* op->remove ():
1114	* This function removes the object op from the linked list of objects	941	* This function removes the object op from the linked list of objects
1115	* which it is currently tied to. When this function is done, the	942	* which it is currently tied to. When this function is done, the
1116	* object will have no environment. If the object previously had an	943	* object will have no environment. If the object previously had an
1117	* environment, the x and y coordinates will be updated to	944	* environment, the x and y coordinates will be updated to
1118	* the previous environment.	945	* the previous environment.
1119	* Beware: This function is called from the editor as well!	946	* Beware: This function is called from the editor as well!
1120	*/	947	*/
1121
1122	void	948	void
1123	remove_ob (object *op)	949	object::remove ()
1124	{	950	{
1125	object *tmp, *last = NULL;	951	object *tmp, *last = 0;
1126	object *otmp;	952	object *otmp;
1127		953
1128	tag_t tag;
1129	int check_walk_off;
1130	mapstruct *m;
1131
1132	sint16 x, y;
1133
1134	if (QUERY_FLAG (op, FLAG_REMOVED))	954	if (QUERY_FLAG (this, FLAG_REMOVED))
1135	{	955	return;
1136	dump_object (op);
1137	LOG (llevError, "Trying to remove removed object.\n%s\n", errmsg);
1138		956
1139	/* Changed it to always dump core in this case. As has been learned
1140	* in the past, trying to recover from errors almost always
1141	* make things worse, and this is a real error here - something
1142	* that should not happen.
1143	* Yes, if this was a mission critical app, trying to do something
1144	* to recover may make sense, but that is because failure of the app
1145	* may have other disastrous problems. Cf runs out of a script
1146	* so is easily enough restarted without any real problems.
1147	* MSW 2001-07-01
1148	*/
1149	abort ();
1150	}
1151
1152	if (op->more != NULL)
1153	remove_ob (op->more);
1154
1155	SET_FLAG (op, FLAG_REMOVED);	957	SET_FLAG (this, FLAG_REMOVED);
		958	INVOKE_OBJECT (REMOVE, this);
		959
		960	if (more)
		961	more->remove ();
1156		962
1157	/*	963	/*
1158	* In this case, the object to be removed is in someones	964	* In this case, the object to be removed is in someones
1159	* inventory.	965	* inventory.
1160	*/	966	*/
1161	if (op->env != NULL)	967	if (env)
1162	{	968	{
1163	if (op->nrof)	969	if (nrof)
1164	sub_weight (op->env, op->weight * op->nrof);	970	sub_weight (env, weight * nrof);
1165	else	971	else
1166	sub_weight (op->env, op->weight + op->carrying);	972	sub_weight (env, weight + carrying);
1167		973
1168	/* NO_FIX_PLAYER is set when a great many changes are being	974	/* NO_FIX_PLAYER is set when a great many changes are being
1169	* made to players inventory. If set, avoiding the call	975	* made to players inventory. If set, avoiding the call
1170	* to save cpu time.	976	* to save cpu time.
1171	*/	977	*/
1172	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	978	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1173	fix_player (otmp);	979	otmp->update_stats ();
1174		980
1175	if (op->above != NULL)	981	if (above)
1176	op->above->below = op->below;	982	above->below = below;
1177	else	983	else
1178	op->env->inv = op->below;	984	env->inv = below;
1179		985
1180	if (op->below != NULL)	986	if (below)
1181	op->below->above = op->above;	987	below->above = above;
1182		988
1183	/* we set up values so that it could be inserted into	989	/* we set up values so that it could be inserted into
1184	* the map, but we don't actually do that - it is up	990	* the map, but we don't actually do that - it is up
1185	* to the caller to decide what we want to do.	991	* to the caller to decide what we want to do.
1186	*/	992	*/
1187	op->x = op->env->x, op->y = op->env->y;	993	x = env->x, y = env->y;
1188	op->map = op->env->map;	994	map = env->map;
1189	op->above = NULL, op->below = NULL;	995	above = 0, below = 0;
1190	op->env = NULL;	996	env = 0;
1191	return;
1192	}
1193
1194	/* If we get here, we are removing it from a map */
1195	if (op->map == NULL)
1196	return;
1197
1198	x = op->x;
1199	y = op->y;
1200	m = get_map_from_coord (op->map, &x, &y);
1201
1202	if (!m)
1203	{	997	}
1204	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",	998	else if (map)
1205	op->map->path, op->x, op->y);
1206	/* in old days, we used to set x and y to 0 and continue.
1207	* it seems if we get into this case, something is probablye
1208	* screwed up and should be fixed.
1209	*/
1210	abort ();
1211	}	999	{
1212	if (op->map != m)	1000	if (type == PLAYER)
1213	{	1001	{
1214	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	1002	--map->players;
1215	op->map->path, m->path, op->x, op->y, x, y);	1003	map->touch ();
1216	}	1004	}
1217		1005
1218	/* Re did the following section of code - it looks like it had	1006	map->dirty = true;
1219	* lots of logic for things we no longer care about
1220	*/
1221		1007
1222	/* link the object above us */	1008	/* link the object above us */
1223	if (op->above)	1009	if (above)
1224	op->above->below = op->below;	1010	above->below = below;
1225	else	1011	else
1226	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1012	map->at (x, y).top = below; /* we were top, set new top */
1227		1013
1228	/* Relink the object below us, if there is one */	1014	/* Relink the object below us, if there is one */
1229	if (op->below)	1015	if (below)
1230	op->below->above = op->above;	1016	below->above = above;
1231	else	1017	else
1232	{	1018	{
1233	/* Nothing below, which means we need to relink map object for this space	1019	/* Nothing below, which means we need to relink map object for this space
1234	* use translated coordinates in case some oddness with map tiling is	1020	* use translated coordinates in case some oddness with map tiling is
1235	* evident	1021	* evident
1236	*/
1237	if (GET_MAP_OB (m, x, y) != op)
1238	{
1239	dump_object (op);
1240	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n",
1241	errmsg);
1242	dump_object (GET_MAP_OB (m, x, y));
1243	LOG (llevError, "%s\n", errmsg);
1244	}
1245
1246	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1247	}
1248
1249	op->above = NULL;
1250	op->below = NULL;
1251
1252	if (op->map->in_memory == MAP_SAVING)
1253	return;
1254
1255	tag = op->count;
1256	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1257
1258	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1259	{
1260	/* No point updating the players look faces if he is the object
1261	* being removed.
1262	*/
1263
1264	if (tmp->type == PLAYER && tmp != op)
1265	{
1266	/* If a container that the player is currently using somehow gets
1267	* removed (most likely destroyed), update the player view
1268	* appropriately.
1269	*/	1022	*/
1270	if (tmp->container == op)	1023	if (GET_MAP_OB (map, x, y) != this)
1271	{	1024	{
1272	CLEAR_FLAG (op, FLAG_APPLIED);	1025	char *dump = dump_object (this);
1273	tmp->container = NULL;	1026	LOG (llevError,
		1027	"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);
		1028	free (dump);
		1029	dump = dump_object (GET_MAP_OB (map, x, y));
		1030	LOG (llevError, "%s\n", dump);
		1031	free (dump);
1274	}	1032	}
1275		1033
1276	tmp->contr->socket.update_look = 1;	1034	map->at (x, y).bot = above; /* goes on above it. */
1277	}
1278	/* See if player moving off should effect something */
1279	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1280	{	1035	}
1281	move_apply (tmp, op, NULL);
1282		1036
1283	if (was_destroyed (op, tag))	1037	above = 0;
		1038	below = 0;
		1039
		1040	if (map->in_memory == MAP_SAVING)
		1041	return;
		1042
		1043	int check_walk_off = !flag [FLAG_NO_APPLY];
		1044
		1045	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)
		1046	{
		1047	/* No point updating the players look faces if he is the object
		1048	* being removed.
		1049	*/
		1050
		1051	if (tmp->type == PLAYER && tmp != this)
1284	{	1052	{
1285	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);	1053	/* If a container that the player is currently using somehow gets
		1054	* removed (most likely destroyed), update the player view
		1055	* appropriately.
		1056	*/
		1057	if (tmp->container == this)
		1058	{
		1059	flag [FLAG_APPLIED] = 0;
		1060	tmp->container = 0;
		1061	}
		1062
		1063	if (tmp->contr->ns)
		1064	tmp->contr->ns->floorbox_update ();
1286	}	1065	}
		1066
		1067	/* See if object moving off should effect something */
		1068	if (check_walk_off
		1069	&& ((move_type & tmp->move_off)
		1070	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
		1071	{
		1072	move_apply (tmp, this, 0);
		1073
		1074	if (destroyed ())
		1075	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1287	}	1076	}
1288		1077
1289	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1078	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1290		1079	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1291	if (tmp->above == tmp)	1080	if (tmp->above == tmp)
1292	tmp->above = NULL;	1081	tmp->above = 0;
1293		1082
1294	last = tmp;	1083	last = tmp;
1295	}	1084	}
1296		1085
1297	/* last == NULL of there are no objects on this space */	1086	/* last == NULL if there are no objects on this space */
1298	if (last == NULL)	1087	//TODO: this makes little sense, why only update the topmost object?
1299	{	1088	if (!last)
1300	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,	1089	map->at (x, y).flags_ = 0;
1301	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1302	* those out anyways, and if there are any flags set right now, they won't
1303	* be correct anyways.
1304	*/
1305	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1306	update_position (op->map, op->x, op->y);
1307	}
1308	else	1090	else
1309	update_object (last, UP_OBJ_REMOVE);	1091	update_object (last, UP_OBJ_REMOVE);
1310		1092
1311	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1093	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1312	update_all_los (op->map, op->x, op->y);	1094	update_all_los (map, x, y);
		1095	}
1313	}	1096	}
1314		1097
1315	/*	1098	/*
1316	* merge_ob(op,top):	1099	* merge_ob(op,top):
1317	*	1100	*
1318	* This function goes through all objects below and including top, and	1101	* This function goes through all objects below and including top, and
1319	* merges op to the first matching object.	1102	* merges op to the first matching object.
1320	* If top is NULL, it is calculated.	1103	* If top is NULL, it is calculated.
1321	* Returns pointer to object if it succeded in the merge, otherwise NULL	1104	* Returns pointer to object if it succeded in the merge, otherwise NULL
1322	*/	1105	*/
1323
1324	object *	1106	object *
1325	merge_ob (object *op, object *top)	1107	merge_ob (object *op, object *top)
1326	{	1108	{
1327	if (!op->nrof)	1109	if (!op->nrof)
1328	return 0;	1110	return 0;
1329	if (top == NULL)	1111
		1112	if (top)
1330	for (top = op; top != NULL && top->above != NULL; top = top->above);	1113	for (top = op; top && top->above; top = top->above)
		1114	;
		1115
1331	for (; top != NULL; top = top->below)	1116	for (; top; top = top->below)
1332	{	1117	{
1333	if (top == op)	1118	if (top == op)
1334	continue;	1119	continue;
1335	if (CAN_MERGE (op, top))	1120
		1121	if (object::can_merge (op, top))
1336	{	1122	{
1337	top->nrof += op->nrof;	1123	top->nrof += op->nrof;
1338		1124
1339	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1125	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1340	op->weight = 0; /* Don't want any adjustements now */	1126	op->weight = 0; /* Don't want any adjustements now */
1341	remove_ob (op);	1127	op->destroy ();
1342	free_object (op);
1343	return top;	1128	return top;
1344	}	1129	}
1345	}	1130	}
		1131
1346	return NULL;	1132	return 0;
1347	}	1133	}
1348		1134
1349	/*	1135	/*
1350	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1136	* same as insert_ob_in_map except it handle separate coordinates and do a clean
1351	* job preparing multi-part monsters	1137	* job preparing multi-part monsters
1352	*/	1138	*/
1353	object *	1139	object *
1354	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1140	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1355	{	1141	{
1356	object *
1357	tmp;
1358
1359	if (op->head)
1360	op = op->head;
1361	for (tmp = op; tmp; tmp = tmp->more)	1142	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1362	{	1143	{
1363	tmp->x = x + tmp->arch->clone.x;	1144	tmp->x = x + tmp->arch->clone.x;
1364	tmp->y = y + tmp->arch->clone.y;	1145	tmp->y = y + tmp->arch->clone.y;
1365	}	1146	}
		1147
1366	return insert_ob_in_map (op, m, originator, flag);	1148	return insert_ob_in_map (op, m, originator, flag);
1367	}	1149	}
1368		1150
1369	/*	1151	/*
1370	* insert_ob_in_map (op, map, originator, flag):	1152	* insert_ob_in_map (op, map, originator, flag):
…		…
1384	* Return value:	1166	* Return value:
1385	* new object if 'op' was merged with other object	1167	* new object if 'op' was merged with other object
1386	* NULL if 'op' was destroyed	1168	* NULL if 'op' was destroyed
1387	* just 'op' otherwise	1169	* just 'op' otherwise
1388	*/	1170	*/
1389
1390	object *	1171	object *
1391	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1172	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1392	{	1173	{
1393	object *tmp, *top, *floor = NULL;	1174	object *tmp, *top, *floor = NULL;
1394	sint16 x, y;	1175	sint16 x, y;
1395		1176
1396	if (QUERY_FLAG (op, FLAG_FREED))	1177	if (QUERY_FLAG (op, FLAG_FREED))
1397	{	1178	{
1398	LOG (llevError, "Trying to insert freed object!\n");	1179	LOG (llevError, "Trying to insert freed object!\n");
1399	return NULL;	1180	return NULL;
1400	}	1181	}
1401		1182
1402	if (m == NULL)	1183	if (!m)
1403	{	1184	{
1404	dump_object (op);	1185	char *dump = dump_object (op);
1405	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);	1186	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
		1187	free (dump);
1406	return op;	1188	return op;
1407	}	1189	}
1408		1190
1409	if (out_of_map (m, op->x, op->y))	1191	if (out_of_map (m, op->x, op->y))
1410	{	1192	{
1411	dump_object (op);	1193	char *dump = dump_object (op);
1412	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);	1194	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1413	#ifdef MANY_CORES	1195	#ifdef MANY_CORES
1414	/* Better to catch this here, as otherwise the next use of this object	1196	/* Better to catch this here, as otherwise the next use of this object
1415	* is likely to cause a crash. Better to find out where it is getting	1197	* is likely to cause a crash. Better to find out where it is getting
1416	* improperly inserted.	1198	* improperly inserted.
1417	*/	1199	*/
1418	abort ();	1200	abort ();
1419	#endif	1201	#endif
		1202	free (dump);
1420	return op;	1203	return op;
1421	}	1204	}
1422		1205
1423	if (!QUERY_FLAG (op, FLAG_REMOVED))	1206	if (!QUERY_FLAG (op, FLAG_REMOVED))
1424	{	1207	{
1425	dump_object (op);	1208	char *dump = dump_object (op);
1426	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);	1209	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
		1210	free (dump);
1427	return op;	1211	return op;
1428	}	1212	}
1429		1213
1430	if (op->more != NULL)	1214	if (op->more)
1431	{	1215	{
1432	/* The part may be on a different map. */	1216	/* The part may be on a different map. */
1433		1217
1434	object *more = op->more;	1218	object *more = op->more;
1435		1219
1436	/* We really need the caller to normalize coordinates - if	1220	/* We really need the caller to normalise coordinates - if
1437	* we set the map, that doesn't work if the location is within	1221	* we set the map, that doesn't work if the location is within
1438	* a map and this is straddling an edge. So only if coordinate	1222	* a map and this is straddling an edge. So only if coordinate
1439	* is clear wrong do we normalize it.	1223	* is clear wrong do we normalise it.
1440	*/	1224	*/
1441	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))	1225	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1442	more->map = get_map_from_coord (m, &more->x, &more->y);	1226	more->map = get_map_from_coord (m, &more->x, &more->y);
1443	else if (!more->map)	1227	else if (!more->map)
1444	{	1228	{
…		…
1451	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1235	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1452	{	1236	{
1453	if (!op->head)	1237	if (!op->head)
1454	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1238	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1455		1239
1456	return NULL;	1240	return 0;
1457	}	1241	}
1458	}	1242	}
1459		1243
1460	CLEAR_FLAG (op, FLAG_REMOVED);	1244	CLEAR_FLAG (op, FLAG_REMOVED);
1461		1245
…		…
1468	y = op->y;	1252	y = op->y;
1469		1253
1470	/* this has to be done after we translate the coordinates.	1254	/* this has to be done after we translate the coordinates.
1471	*/	1255	*/
1472	if (op->nrof && !(flag & INS_NO_MERGE))	1256	if (op->nrof && !(flag & INS_NO_MERGE))
1473	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1257	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)
1474	if (CAN_MERGE (op, tmp))	1258	if (object::can_merge (op, tmp))
1475	{	1259	{
1476	op->nrof += tmp->nrof;	1260	op->nrof += tmp->nrof;
1477	remove_ob (tmp);	1261	tmp->destroy ();
1478	free_object (tmp);
1479	}	1262	}
1480		1263
1481	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1264	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1482	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1265	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1483		1266
…		…
1496	op->below = originator->below;	1279	op->below = originator->below;
1497		1280
1498	if (op->below)	1281	if (op->below)
1499	op->below->above = op;	1282	op->below->above = op;
1500	else	1283	else
1501	SET_MAP_OB (op->map, op->x, op->y, op);	1284	op->ms ().bot = op;
1502		1285
1503	/* since *below* originator, no need to update top */	1286	/* since *below* originator, no need to update top */
1504	originator->below = op;	1287	originator->below = op;
1505	}	1288	}
1506	else	1289	else
1507	{	1290	{
1508	/* If there are other objects, then */	1291	/* If there are other objects, then */
1509	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1292	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))
1510	{	1293	{
1511	object *last = NULL;	1294	object *last = 0;
1512		1295
1513	/*	1296	/*
1514	* If there are multiple objects on this space, we do some trickier handling.	1297	* If there are multiple objects on this space, we do some trickier handling.
1515	* We've already dealt with merging if appropriate.	1298	* We've already dealt with merging if appropriate.
1516	* Generally, we want to put the new object on top. But if	1299	* Generally, we want to put the new object on top. But if
…		…
1520	* once we get to them. This reduces the need to traverse over all of	1303	* once we get to them. This reduces the need to traverse over all of
1521	* them when adding another one - this saves quite a bit of cpu time	1304	* them when adding another one - this saves quite a bit of cpu time
1522	* when lots of spells are cast in one area. Currently, it is presumed	1305	* when lots of spells are cast in one area. Currently, it is presumed
1523	* that flying non pickable objects are spell objects.	1306	* that flying non pickable objects are spell objects.
1524	*/	1307	*/
1525
1526	while (top != NULL)	1308	while (top)
1527	{	1309	{
1528	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1310	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1529	floor = top;	1311	floor = top;
1530		1312
1531	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1313	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1552	* If INS_ON_TOP is used, don't do this processing	1334	* If INS_ON_TOP is used, don't do this processing
1553	* Need to find the object that in fact blocks view, otherwise	1335	* Need to find the object that in fact blocks view, otherwise
1554	* stacking is a bit odd.	1336	* stacking is a bit odd.
1555	*/	1337	*/
1556	if (!(flag & INS_ON_TOP) &&	1338	if (!(flag & INS_ON_TOP) &&
1557	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1339	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))
1558	{	1340	{
1559	for (last = top; last != floor; last = last->below)	1341	for (last = top; last != floor; last = last->below)
1560	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1342	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1561	break;	1343	break;
1562	/* Check to see if we found the object that blocks view,	1344	/* Check to see if we found the object that blocks view,
…		…
1584	op->above = GET_MAP_OB (op->map, op->x, op->y);	1366	op->above = GET_MAP_OB (op->map, op->x, op->y);
1585		1367
1586	if (op->above)	1368	if (op->above)
1587	op->above->below = op;	1369	op->above->below = op;
1588		1370
1589	op->below = NULL;	1371	op->below = 0;
1590	SET_MAP_OB (op->map, op->x, op->y, op);	1372	op->ms ().bot = op;
1591	}	1373	}
1592	else	1374	else
1593	{ /* get inserted into the stack above top */	1375	{ /* get inserted into the stack above top */
1594	op->above = top->above;	1376	op->above = top->above;
1595		1377
…		…
1598		1380
1599	op->below = top;	1381	op->below = top;
1600	top->above = op;	1382	top->above = op;
1601	}	1383	}
1602		1384
1603	if (op->above == NULL)	1385	if (!op->above)
1604	SET_MAP_TOP (op->map, op->x, op->y, op);	1386	op->ms ().top = op;
1605	} /* else not INS_BELOW_ORIGINATOR */	1387	} /* else not INS_BELOW_ORIGINATOR */
1606		1388
1607	if (op->type == PLAYER)	1389	if (op->type == PLAYER)
		1390	{
1608	op->contr->do_los = 1;	1391	op->contr->do_los = 1;
		1392	++op->map->players;
		1393	op->map->touch ();
		1394	}
		1395
		1396	op->map->dirty = true;
1609		1397
1610	/* If we have a floor, we know the player, if any, will be above	1398	/* If we have a floor, we know the player, if any, will be above
1611	* it, so save a few ticks and start from there.	1399	* it, so save a few ticks and start from there.
1612	*/	1400	*/
1613	if (!(flag & INS_MAP_LOAD))	1401	if (!(flag & INS_MAP_LOAD))
1614	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1402	if (object *pl = op->ms ().player ())
1615	if (tmp->type == PLAYER)	1403	if (pl->contr->ns)
1616	tmp->contr->socket.update_look = 1;	1404	pl->contr->ns->floorbox_update ();
1617		1405
1618	/* If this object glows, it may affect lighting conditions that are	1406	/* If this object glows, it may affect lighting conditions that are
1619	* visible to others on this map. But update_all_los is really	1407	* visible to others on this map. But update_all_los is really
1620	* an inefficient way to do this, as it means los for all players	1408	* an inefficient way to do this, as it means los for all players
1621	* on the map will get recalculated. The players could very well	1409	* on the map will get recalculated. The players could very well
1622	* be far away from this change and not affected in any way -	1410	* be far away from this change and not affected in any way -
1623	* this should get redone to only look for players within range,	1411	* this should get redone to only look for players within range,
1624	* or just updating the P_NEED_UPDATE for spaces within this area	1412	* or just updating the P_UPTODATE for spaces within this area
1625	* of effect may be sufficient.	1413	* of effect may be sufficient.
1626	*/	1414	*/
1627	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1415	if (op->map->darkness && (op->glow_radius != 0))
1628	update_all_los (op->map, op->x, op->y);	1416	update_all_los (op->map, op->x, op->y);
1629		1417
1630	/* updates flags (blocked, alive, no magic, etc) for this map space */	1418	/* updates flags (blocked, alive, no magic, etc) for this map space */
1631	update_object (op, UP_OBJ_INSERT);	1419	update_object (op, UP_OBJ_INSERT);
1632		1420
		1421	INVOKE_OBJECT (INSERT, op);
		1422
1633	/* Don't know if moving this to the end will break anything. However,	1423	/* Don't know if moving this to the end will break anything. However,
1634	* we want to have update_look set above before calling this.	1424	* we want to have floorbox_update called before calling this.
1635	*	1425	*
1636	* check_move_on() must be after this because code called from	1426	* check_move_on() must be after this because code called from
1637	* check_move_on() depends on correct map flags (so functions like	1427	* check_move_on() depends on correct map flags (so functions like
1638	* blocked() and wall() work properly), and these flags are updated by	1428	* blocked() and wall() work properly), and these flags are updated by
1639	* update_object().	1429	* update_object().
…		…
1641		1431
1642	/* if this is not the head or flag has been passed, don't check walk on status */	1432	/* if this is not the head or flag has been passed, don't check walk on status */
1643	if (!(flag & INS_NO_WALK_ON) && !op->head)	1433	if (!(flag & INS_NO_WALK_ON) && !op->head)
1644	{	1434	{
1645	if (check_move_on (op, originator))	1435	if (check_move_on (op, originator))
1646	return NULL;	1436	return 0;
1647		1437
1648	/* If we are a multi part object, lets work our way through the check	1438	/* If we are a multi part object, lets work our way through the check
1649	* walk on's.	1439	* walk on's.
1650	*/	1440	*/
1651	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1441	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1652	if (check_move_on (tmp, originator))	1442	if (check_move_on (tmp, originator))
1653	return NULL;	1443	return 0;
1654	}	1444	}
1655		1445
1656	return op;	1446	return op;
1657	}	1447	}
1658		1448
1659	/* this function inserts an object in the map, but if it	1449	/* this function inserts an object in the map, but if it
1660	* finds an object of its own type, it'll remove that one first.	1450	* finds an object of its own type, it'll remove that one first.
1661	* op is the object to insert it under: supplies x and the map.	1451	* op is the object to insert it under: supplies x and the map.
1662	*/	1452	*/
1663	void	1453	void
1664	replace_insert_ob_in_map (const char *arch_string, object *op)	1454	replace_insert_ob_in_map (const char *arch_string, object *op)
1665	{	1455	{
1666	object *tmp;
1667	object *tmp1;	1456	object *tmp, *tmp1;
1668		1457
1669	/* first search for itself and remove any old instances */	1458	/* first search for itself and remove any old instances */
1670		1459
1671	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1460	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1672	{
1673	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1461	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1674	{	1462	tmp->destroy ();
1675	remove_ob (tmp);
1676	free_object (tmp);
1677	}
1678	}
1679		1463
1680	tmp1 = arch_to_object (find_archetype (arch_string));	1464	tmp1 = arch_to_object (archetype::find (arch_string));
1681		1465
1682	tmp1->x = op->x;	1466	tmp1->x = op->x;
1683	tmp1->y = op->y;	1467	tmp1->y = op->y;
1684	insert_ob_in_map (tmp1, op->map, op, 0);	1468	insert_ob_in_map (tmp1, op->map, op, 0);
		1469	}
		1470
		1471	object *
		1472	object::insert_at (object *where, object *originator, int flags)
		1473	{
		1474	where->map->insert (this, where->x, where->y, originator, flags);
1685	}	1475	}
1686		1476
1687	/*	1477	/*
1688	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1478	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1689	* is returned contains nr objects, and the remaining parts contains	1479	* is returned contains nr objects, and the remaining parts contains
1690	* the rest (or is removed and freed if that number is 0).	1480	* the rest (or is removed and freed if that number is 0).
1691	* On failure, NULL is returned, and the reason put into the	1481	* On failure, NULL is returned, and the reason put into the
1692	* global static errmsg array.	1482	* global static errmsg array.
1693	*/	1483	*/
1694
1695	object *	1484	object *
1696	get_split_ob (object *orig_ob, uint32 nr)	1485	get_split_ob (object *orig_ob, uint32 nr)
1697	{	1486	{
1698	object *	1487	object *newob;
1699	newob;
1700	int
1701	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1488	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1702		1489
1703	if (orig_ob->nrof < nr)	1490	if (orig_ob->nrof < nr)
1704	{	1491	{
1705	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1492	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1706	return NULL;	1493	return NULL;
1707	}	1494	}
		1495
1708	newob = object_create_clone (orig_ob);	1496	newob = object_create_clone (orig_ob);
		1497
1709	if ((orig_ob->nrof -= nr) < 1)	1498	if ((orig_ob->nrof -= nr) < 1)
1710	{	1499	orig_ob->destroy (1);
1711	if (!is_removed)
1712	remove_ob (orig_ob);
1713	free_object2 (orig_ob, 1);
1714	}
1715	else if (!is_removed)	1500	else if (!is_removed)
1716	{	1501	{
1717	if (orig_ob->env != NULL)	1502	if (orig_ob->env != NULL)
1718	sub_weight (orig_ob->env, orig_ob->weight * nr);	1503	sub_weight (orig_ob->env, orig_ob->weight * nr);
1719	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1504	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1721	strcpy (errmsg, "Tried to split object whose map is not in memory.");	1506	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1722	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");	1507	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1723	return NULL;	1508	return NULL;
1724	}	1509	}
1725	}	1510	}
		1511
1726	newob->nrof = nr;	1512	newob->nrof = nr;
1727		1513
1728	return newob;	1514	return newob;
1729	}	1515	}
1730		1516
…		…
1737	*/	1523	*/
1738		1524
1739	object *	1525	object *
1740	decrease_ob_nr (object *op, uint32 i)	1526	decrease_ob_nr (object *op, uint32 i)
1741	{	1527	{
1742	object *	1528	object *tmp;
1743	tmp;
1744	player *
1745	pl;
1746		1529
1747	if (i == 0) /* objects with op->nrof require this check */	1530	if (i == 0) /* objects with op->nrof require this check */
1748	return op;	1531	return op;
1749		1532
1750	if (i > op->nrof)	1533	if (i > op->nrof)
1751	i = op->nrof;	1534	i = op->nrof;
1752		1535
1753	if (QUERY_FLAG (op, FLAG_REMOVED))	1536	if (QUERY_FLAG (op, FLAG_REMOVED))
1754	{
1755	op->nrof -= i;	1537	op->nrof -= i;
1756	}
1757	else if (op->env != NULL)	1538	else if (op->env)
1758	{	1539	{
1759	/* is this object in the players inventory, or sub container	1540	/* is this object in the players inventory, or sub container
1760	* therein?	1541	* therein?
1761	*/	1542	*/
1762	tmp = is_player_inv (op->env);	1543	tmp = op->in_player ();
1763	/* nope. Is this a container the player has opened?	1544	/* nope. Is this a container the player has opened?
1764	* If so, set tmp to that player.	1545	* If so, set tmp to that player.
1765	* IMO, searching through all the players will mostly	1546	* IMO, searching through all the players will mostly
1766	* likely be quicker than following op->env to the map,	1547	* likely be quicker than following op->env to the map,
1767	* and then searching the map for a player.	1548	* and then searching the map for a player.
1768	*/	1549	*/
1769	if (!tmp)	1550	if (!tmp)
1770	{	1551	for_all_players (pl)
1771	for (pl = first_player; pl; pl = pl->next)
1772	if (pl->ob->container == op->env)	1552	if (pl->ob->container == op->env)
		1553	{
		1554	tmp = pl->ob;
1773	break;	1555	break;
1774	if (pl)
1775	tmp = pl->ob;
1776	else
1777	tmp = NULL;
1778	}	1556	}
1779		1557
1780	if (i < op->nrof)	1558	if (i < op->nrof)
1781	{	1559	{
1782	sub_weight (op->env, op->weight * i);	1560	sub_weight (op->env, op->weight * i);
1783	op->nrof -= i;	1561	op->nrof -= i;
1784	if (tmp)	1562	if (tmp)
1785	{
1786	esrv_send_item (tmp, op);	1563	esrv_send_item (tmp, op);
1787	}
1788	}	1564	}
1789	else	1565	else
1790	{	1566	{
1791	remove_ob (op);	1567	op->remove ();
1792	op->nrof = 0;	1568	op->nrof = 0;
1793	if (tmp)	1569	if (tmp)
1794	{
1795	esrv_del_item (tmp->contr, op->count);	1570	esrv_del_item (tmp->contr, op->count);
1796	}
1797	}	1571	}
1798	}	1572	}
1799	else	1573	else
1800	{	1574	{
1801	object *
1802	above = op->above;	1575	object *above = op->above;
1803		1576
1804	if (i < op->nrof)	1577	if (i < op->nrof)
1805	{
1806	op->nrof -= i;	1578	op->nrof -= i;
1807	}
1808	else	1579	else
1809	{	1580	{
1810	remove_ob (op);	1581	op->remove ();
1811	op->nrof = 0;	1582	op->nrof = 0;
1812	}	1583	}
		1584
1813	/* Since we just removed op, op->above is null */	1585	/* Since we just removed op, op->above is null */
1814	for (tmp = above; tmp != NULL; tmp = tmp->above)	1586	for (tmp = above; tmp; tmp = tmp->above)
1815	if (tmp->type == PLAYER)	1587	if (tmp->type == PLAYER)
1816	{	1588	{
1817	if (op->nrof)	1589	if (op->nrof)
1818	esrv_send_item (tmp, op);	1590	esrv_send_item (tmp, op);
1819	else	1591	else
1820	esrv_del_item (tmp->contr, op->count);	1592	esrv_del_item (tmp->contr, op->count);
1821	}	1593	}
1822	}	1594	}
1823		1595
1824	if (op->nrof)	1596	if (op->nrof)
1825	{
1826	return op;	1597	return op;
1827	}
1828	else	1598	else
1829	{	1599	{
1830	free_object (op);	1600	op->destroy ();
1831	return NULL;	1601	return 0;
1832	}	1602	}
1833	}	1603	}
1834		1604
1835	/*	1605	/*
1836	* add_weight(object, weight) adds the specified weight to an object,	1606	* add_weight(object, weight) adds the specified weight to an object,
…		…
1841	add_weight (object *op, signed long weight)	1611	add_weight (object *op, signed long weight)
1842	{	1612	{
1843	while (op != NULL)	1613	while (op != NULL)
1844	{	1614	{
1845	if (op->type == CONTAINER)	1615	if (op->type == CONTAINER)
1846	{
1847	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	1616	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1848	}	1617
1849	op->carrying += weight;	1618	op->carrying += weight;
1850	op = op->env;	1619	op = op->env;
1851	}	1620	}
1852	}	1621	}
1853		1622
		1623	object *
		1624	insert_ob_in_ob (object *op, object *where)
		1625	{
		1626	if (!where)
		1627	{
		1628	char *dump = dump_object (op);
		1629	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1630	free (dump);
		1631	return op;
		1632	}
		1633
		1634	if (where->head)
		1635	{
		1636	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1637	where = where->head;
		1638	}
		1639
		1640	return where->insert (op);
		1641	}
		1642
1854	/*	1643	/*
1855	* insert_ob_in_ob(op,environment):	1644	* env->insert (op)
1856	* This function inserts the object op in the linked list	1645	* This function inserts the object op in the linked list
1857	* inside the object environment.	1646	* inside the object environment.
1858	*	1647	*
1859	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1860	* the inventory at the last position or next to other objects of the same
1861	* type.
1862	* Frank: Now sorted by type, archetype and magic!
1863	*
1864	* The function returns now pointer to inserted item, and return value can	1648	* The function returns now pointer to inserted item, and return value can
1865	* be != op, if items are merged. -Tero	1649	* be != op, if items are merged. -Tero
1866	*/	1650	*/
1867		1651
1868	object *	1652	object *
1869	insert_ob_in_ob (object *op, object *where)	1653	object::insert (object *op)
1870	{	1654	{
1871	object *	1655	object *tmp, *otmp;
1872	tmp, *
1873	otmp;
1874		1656
1875	if (!QUERY_FLAG (op, FLAG_REMOVED))	1657	if (!QUERY_FLAG (op, FLAG_REMOVED))
1876	{	1658	op->remove ();
1877	dump_object (op);	1659
1878	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1879	return op;
1880	}
1881	if (where == NULL)
1882	{
1883	dump_object (op);
1884	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1885	return op;
1886	}
1887	if (where->head)
1888	{
1889	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1890	where = where->head;
1891	}
1892	if (op->more)	1660	if (op->more)
1893	{	1661	{
1894	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1662	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1895	return op;	1663	return op;
1896	}	1664	}
		1665
1897	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1666	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1898	CLEAR_FLAG (op, FLAG_REMOVED);	1667	CLEAR_FLAG (op, FLAG_REMOVED);
1899	if (op->nrof)	1668	if (op->nrof)
1900	{	1669	{
1901	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1670	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1902	if (CAN_MERGE (tmp, op))	1671	if (object::can_merge (tmp, op))
1903	{	1672	{
1904	/* return the original object and remove inserted object	1673	/* return the original object and remove inserted object
1905	(client needs the original object) */	1674	(client needs the original object) */
1906	tmp->nrof += op->nrof;	1675	tmp->nrof += op->nrof;
1907	/* Weight handling gets pretty funky. Since we are adding to	1676	/* Weight handling gets pretty funky. Since we are adding to
1908	* tmp->nrof, we need to increase the weight.	1677	* tmp->nrof, we need to increase the weight.
1909	*/	1678	*/
1910	add_weight (where, op->weight * op->nrof);	1679	add_weight (this, op->weight * op->nrof);
1911	SET_FLAG (op, FLAG_REMOVED);	1680	SET_FLAG (op, FLAG_REMOVED);
1912	free_object (op); /* free the inserted object */	1681	op->destroy (); /* free the inserted object */
1913	op = tmp;	1682	op = tmp;
1914	remove_ob (op); /* and fix old object's links */	1683	op->remove (); /* and fix old object's links */
1915	CLEAR_FLAG (op, FLAG_REMOVED);	1684	CLEAR_FLAG (op, FLAG_REMOVED);
1916	break;	1685	break;
1917	}	1686	}
1918		1687
1919	/* I assume combined objects have no inventory	1688	/* I assume combined objects have no inventory
1920	* We add the weight - this object could have just been removed	1689	* We add the weight - this object could have just been removed
1921	* (if it was possible to merge). calling remove_ob will subtract	1690	* (if it was possible to merge). calling remove_ob will subtract
1922	* the weight, so we need to add it in again, since we actually do	1691	* the weight, so we need to add it in again, since we actually do
1923	* the linking below	1692	* the linking below
1924	*/	1693	*/
1925	add_weight (where, op->weight * op->nrof);	1694	add_weight (this, op->weight * op->nrof);
1926	}	1695	}
1927	else	1696	else
1928	add_weight (where, (op->weight + op->carrying));	1697	add_weight (this, (op->weight + op->carrying));
1929		1698
1930	otmp = is_player_inv (where);	1699	otmp = this->in_player ();
1931	if (otmp && otmp->contr != NULL)	1700	if (otmp && otmp->contr)
1932	{
1933	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1701	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1934	fix_player (otmp);	1702	otmp->update_stats ();
1935	}
1936		1703
1937	op->map = NULL;	1704	op->map = 0;
1938	op->env = where;	1705	op->env = this;
1939	op->above = NULL;	1706	op->above = 0;
1940	op->below = NULL;	1707	op->below = 0;
1941	op->x = 0, op->y = 0;	1708	op->x = 0, op->y = 0;
1942		1709
1943	/* reset the light list and los of the players on the map */	1710	/* reset the light list and los of the players on the map */
1944	if ((op->glow_radius != 0) && where->map)	1711	if ((op->glow_radius != 0) && map)
1945	{	1712	{
1946	#ifdef DEBUG_LIGHTS	1713	#ifdef DEBUG_LIGHTS
1947	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1714	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1948	#endif /* DEBUG_LIGHTS */	1715	#endif /* DEBUG_LIGHTS */
1949	if (MAP_DARKNESS (where->map))	1716	if (map->darkness)
1950	update_all_los (where->map, where->x, where->y);	1717	update_all_los (map, x, y);
1951	}	1718	}
1952		1719
1953	/* Client has no idea of ordering so lets not bother ordering it here.	1720	/* Client has no idea of ordering so lets not bother ordering it here.
1954	* It sure simplifies this function...	1721	* It sure simplifies this function...
1955	*/	1722	*/
1956	if (where->inv == NULL)	1723	if (!inv)
1957	where->inv = op;	1724	inv = op;
1958	else	1725	else
1959	{	1726	{
1960	op->below = where->inv;	1727	op->below = inv;
1961	op->below->above = op;	1728	op->below->above = op;
1962	where->inv = op;	1729	inv = op;
1963	}	1730	}
		1731
		1732	INVOKE_OBJECT (INSERT, this);
		1733
1964	return op;	1734	return op;
1965	}	1735	}
1966		1736
1967	/*	1737	/*
1968	* Checks if any objects has a move_type that matches objects	1738	* Checks if any objects has a move_type that matches objects
…		…
1982	*	1752	*
1983	* MSW 2001-07-08: Check all objects on space, not just those below	1753	* MSW 2001-07-08: Check all objects on space, not just those below
1984	* object being inserted. insert_ob_in_map may not put new objects	1754	* object being inserted. insert_ob_in_map may not put new objects
1985	* on top.	1755	* on top.
1986	*/	1756	*/
1987
1988	int	1757	int
1989	check_move_on (object *op, object *originator)	1758	check_move_on (object *op, object *originator)
1990	{	1759	{
1991	object *tmp;	1760	object *tmp;
1992	tag_t tag;
1993	mapstruct *m = op->map;	1761	maptile *m = op->map;
1994	int x = op->x, y = op->y;	1762	int x = op->x, y = op->y;
1995		1763
1996	MoveType move_on, move_slow, move_block;	1764	MoveType move_on, move_slow, move_block;
1997		1765
1998	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1766	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1999	return 0;	1767	return 0;
2000
2001	tag = op->count;
2002		1768
2003	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1769	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
2004	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1770	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
2005	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1771	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
2006		1772
…		…
2022		1788
2023	/* The objects have to be checked from top to bottom.	1789	/* The objects have to be checked from top to bottom.
2024	* Hence, we first go to the top:	1790	* Hence, we first go to the top:
2025	*/	1791	*/
2026		1792
2027	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1793	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
2028	{	1794	{
2029	/* Trim the search when we find the first other spell effect	1795	/* Trim the search when we find the first other spell effect
2030	* this helps performance so that if a space has 50 spell objects,	1796	* this helps performance so that if a space has 50 spell objects,
2031	* we don't need to check all of them.	1797	* we don't need to check all of them.
2032	*/	1798	*/
…		…
2049	{	1815	{
2050	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1816	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2051	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1817	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
2052	{	1818	{
2053		1819
		1820	float
2054	float diff = tmp->move_slow_penalty * FABS (op->speed);	1821	diff = tmp->move_slow_penalty * FABS (op->speed);
2055		1822
2056	if (op->type == PLAYER)	1823	if (op->type == PLAYER)
2057	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1824	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
2058	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1825	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2059	diff /= 4.0;	1826	diff /= 4.0;
…		…
2066	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1833	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2067	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1834	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
2068	{	1835	{
2069	move_apply (tmp, op, originator);	1836	move_apply (tmp, op, originator);
2070		1837
2071	if (was_destroyed (op, tag))	1838	if (op->destroyed ())
2072	return 1;	1839	return 1;
2073		1840
2074	/* what the person/creature stepped onto has moved the object	1841	/* what the person/creature stepped onto has moved the object
2075	* someplace new. Don't process any further - if we did,	1842	* someplace new. Don't process any further - if we did,
2076	* have a feeling strange problems would result.	1843	* have a feeling strange problems would result.
…		…
2086	/*	1853	/*
2087	* present_arch(arch, map, x, y) searches for any objects with	1854	* present_arch(arch, map, x, y) searches for any objects with
2088	* a matching archetype at the given map and coordinates.	1855	* a matching archetype at the given map and coordinates.
2089	* The first matching object is returned, or NULL if none.	1856	* The first matching object is returned, or NULL if none.
2090	*/	1857	*/
2091
2092	object *	1858	object *
2093	present_arch (const archetype *at, mapstruct *m, int x, int y)	1859	present_arch (const archetype *at, maptile *m, int x, int y)
2094	{	1860	{
2095	object *
2096	tmp;
2097
2098	if (m == NULL || out_of_map (m, x, y))	1861	if (!m || out_of_map (m, x, y))
2099	{	1862	{
2100	LOG (llevError, "Present_arch called outside map.\n");	1863	LOG (llevError, "Present_arch called outside map.\n");
2101	return NULL;	1864	return NULL;
2102	}	1865	}
2103	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1866
		1867	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2104	if (tmp->arch == at)	1868	if (tmp->arch == at)
2105	return tmp;	1869	return tmp;
		1870
2106	return NULL;	1871	return NULL;
2107	}	1872	}
2108		1873
2109	/*	1874	/*
2110	* present(type, map, x, y) searches for any objects with	1875	* present(type, map, x, y) searches for any objects with
2111	* a matching type variable at the given map and coordinates.	1876	* a matching type variable at the given map and coordinates.
2112	* The first matching object is returned, or NULL if none.	1877	* The first matching object is returned, or NULL if none.
2113	*/	1878	*/
2114
2115	object *	1879	object *
2116	present (unsigned char type, mapstruct *m, int x, int y)	1880	present (unsigned char type, maptile *m, int x, int y)
2117	{	1881	{
2118	object *
2119	tmp;
2120
2121	if (out_of_map (m, x, y))	1882	if (out_of_map (m, x, y))
2122	{	1883	{
2123	LOG (llevError, "Present called outside map.\n");	1884	LOG (llevError, "Present called outside map.\n");
2124	return NULL;	1885	return NULL;
2125	}	1886	}
2126	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1887
		1888	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2127	if (tmp->type == type)	1889	if (tmp->type == type)
2128	return tmp;	1890	return tmp;
		1891
2129	return NULL;	1892	return NULL;
2130	}	1893	}
2131		1894
2132	/*	1895	/*
2133	* present_in_ob(type, object) searches for any objects with	1896	* present_in_ob(type, object) searches for any objects with
2134	* a matching type variable in the inventory of the given object.	1897	* a matching type variable in the inventory of the given object.
2135	* The first matching object is returned, or NULL if none.	1898	* The first matching object is returned, or NULL if none.
2136	*/	1899	*/
2137
2138	object *	1900	object *
2139	present_in_ob (unsigned char type, const object *op)	1901	present_in_ob (unsigned char type, const object *op)
2140	{	1902	{
2141	object *
2142	tmp;
2143
2144	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1903	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2145	if (tmp->type == type)	1904	if (tmp->type == type)
2146	return tmp;	1905	return tmp;
		1906
2147	return NULL;	1907	return NULL;
2148	}	1908	}
2149		1909
2150	/*	1910	/*
2151	* present_in_ob (type, str, object) searches for any objects with	1911	* present_in_ob (type, str, object) searches for any objects with
…		…
2159	* str is the string to match against. Note that we match against	1919	* str is the string to match against. Note that we match against
2160	* the object name, not the archetype name. this is so that the	1920	* the object name, not the archetype name. this is so that the
2161	* spell code can use one object type (force), but change it's name	1921	* spell code can use one object type (force), but change it's name
2162	* to be unique.	1922	* to be unique.
2163	*/	1923	*/
2164
2165	object *	1924	object *
2166	present_in_ob_by_name (int type, const char *str, const object *op)	1925	present_in_ob_by_name (int type, const char *str, const object *op)
2167	{	1926	{
2168	object *
2169	tmp;
2170
2171	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1927	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2172	{
2173	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1928	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2174	return tmp;	1929	return tmp;
2175	}	1930
2176	return NULL;	1931	return 0;
2177	}	1932	}
2178		1933
2179	/*	1934	/*
2180	* present_arch_in_ob(archetype, object) searches for any objects with	1935	* present_arch_in_ob(archetype, object) searches for any objects with
2181	* a matching archetype in the inventory of the given object.	1936	* a matching archetype in the inventory of the given object.
2182	* The first matching object is returned, or NULL if none.	1937	* The first matching object is returned, or NULL if none.
2183	*/	1938	*/
2184
2185	object *	1939	object *
2186	present_arch_in_ob (const archetype *at, const object *op)	1940	present_arch_in_ob (const archetype *at, const object *op)
2187	{	1941	{
2188	object *
2189	tmp;
2190
2191	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1942	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2192	if (tmp->arch == at)	1943	if (tmp->arch == at)
2193	return tmp;	1944	return tmp;
		1945
2194	return NULL;	1946	return NULL;
2195	}	1947	}
2196		1948
2197	/*	1949	/*
2198	* activate recursively a flag on an object inventory	1950	* activate recursively a flag on an object inventory
2199	*/	1951	*/
2200	void	1952	void
2201	flag_inv (object *op, int flag)	1953	flag_inv (object *op, int flag)
2202	{	1954	{
2203	object *
2204	tmp;
2205
2206	if (op->inv)	1955	if (op->inv)
2207	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1956	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2208	{	1957	{
2209	SET_FLAG (tmp, flag);	1958	SET_FLAG (tmp, flag);
2210	flag_inv (tmp, flag);	1959	flag_inv (tmp, flag);
2211	}	1960	}
2212	} /*	1961	}
		1962
		1963	/*
2213	* desactivate recursively a flag on an object inventory	1964	* deactivate recursively a flag on an object inventory
2214	*/	1965	*/
2215	void	1966	void
2216	unflag_inv (object *op, int flag)	1967	unflag_inv (object *op, int flag)
2217	{	1968	{
2218	object *
2219	tmp;
2220
2221	if (op->inv)	1969	if (op->inv)
2222	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1970	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2223	{	1971	{
2224	CLEAR_FLAG (tmp, flag);	1972	CLEAR_FLAG (tmp, flag);
2225	unflag_inv (tmp, flag);	1973	unflag_inv (tmp, flag);
2226	}	1974	}
2227	}	1975	}
…		…
2230	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in	1978	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2231	* all it's inventory (recursively).	1979	* all it's inventory (recursively).
2232	* If checksums are used, a player will get set_cheat called for	1980	* If checksums are used, a player will get set_cheat called for
2233	* him/her-self and all object carried by a call to this function.	1981	* him/her-self and all object carried by a call to this function.
2234	*/	1982	*/
2235
2236	void	1983	void
2237	set_cheat (object *op)	1984	set_cheat (object *op)
2238	{	1985	{
2239	SET_FLAG (op, FLAG_WAS_WIZ);	1986	SET_FLAG (op, FLAG_WAS_WIZ);
2240	flag_inv (op, FLAG_WAS_WIZ);	1987	flag_inv (op, FLAG_WAS_WIZ);
…		…
2259	* because arch_blocked (now ob_blocked) needs to know the movement type	2006	* because arch_blocked (now ob_blocked) needs to know the movement type
2260	* to know if the space in question will block the object. We can't use	2007	* to know if the space in question will block the object. We can't use
2261	* the archetype because that isn't correct if the monster has been	2008	* the archetype because that isn't correct if the monster has been
2262	* customized, changed states, etc.	2009	* customized, changed states, etc.
2263	*/	2010	*/
2264
2265	int	2011	int
2266	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	2012	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2267	{	2013	{
2268	int
2269	i,
2270	index = 0, flag;	2014	int index = 0, flag;
2271	static int
2272	altern[SIZEOFFREE];	2015	int altern[SIZEOFFREE];
2273		2016
2274	for (i = start; i < stop; i++)	2017	for (int i = start; i < stop; i++)
2275	{	2018	{
2276	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2019	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2277	if (!flag)	2020	if (!flag)
2278	altern[index++] = i;	2021	altern [index++] = i;
2279		2022
2280	/* Basically, if we find a wall on a space, we cut down the search size.	2023	/* Basically, if we find a wall on a space, we cut down the search size.
2281	* In this way, we won't return spaces that are on another side of a wall.	2024	* In this way, we won't return spaces that are on another side of a wall.
2282	* This mostly work, but it cuts down the search size in all directions -	2025	* This mostly work, but it cuts down the search size in all directions -
2283	* if the space being examined only has a wall to the north and empty	2026	* if the space being examined only has a wall to the north and empty
2284	* spaces in all the other directions, this will reduce the search space	2027	* spaces in all the other directions, this will reduce the search space
2285	* to only the spaces immediately surrounding the target area, and	2028	* to only the spaces immediately surrounding the target area, and
2286	* won't look 2 spaces south of the target space.	2029	* won't look 2 spaces south of the target space.
2287	*/	2030	*/
2288	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2031	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2289	stop = maxfree[i];	2032	stop = maxfree[i];
2290	}	2033	}
		2034
2291	if (!index)	2035	if (!index)
2292	return -1;	2036	return -1;
		2037
2293	return altern[RANDOM () % index];	2038	return altern[RANDOM () % index];
2294	}	2039	}
2295		2040
2296	/*	2041	/*
2297	* find_first_free_spot(archetype, mapstruct, x, y) works like	2042	* find_first_free_spot(archetype, maptile, x, y) works like
2298	* find_free_spot(), but it will search max number of squares.	2043	* find_free_spot(), but it will search max number of squares.
2299	* But it will return the first available spot, not a random choice.	2044	* But it will return the first available spot, not a random choice.
2300	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2045	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2301	*/	2046	*/
2302
2303	int	2047	int
2304	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2048	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2305	{	2049	{
2306	int
2307	i;
2308
2309	for (i = 0; i < SIZEOFFREE; i++)	2050	for (int i = 0; i < SIZEOFFREE; i++)
2310	{
2311	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2051	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2312	return i;	2052	return i;
2313	}	2053
2314	return -1;	2054	return -1;
2315	}	2055	}
2316		2056
2317	/*	2057	/*
2318	* The function permute(arr, begin, end) randomly reorders the array	2058	* The function permute(arr, begin, end) randomly reorders the array
2319	* arr[begin..end-1].	2059	* arr[begin..end-1].
		2060	* now uses a fisher-yates shuffle, old permute was broken
2320	*/	2061	*/
2321	static void	2062	static void
2322	permute (int *arr, int begin, int end)	2063	permute (int *arr, int begin, int end)
2323	{	2064	{
2324	int	2065	arr += begin;
2325	i,
2326	j,
2327	tmp,
2328	len;
2329
2330	len = end - begin;	2066	end -= begin;
2331	for (i = begin; i < end; i++)
2332	{
2333	j = begin + RANDOM () % len;
2334		2067
2335	tmp = arr[i];	2068	while (--end)
2336	arr[i] = arr[j];	2069	swap (arr [end], arr [RANDOM () % (end + 1)]);
2337	arr[j] = tmp;
2338	}
2339	}	2070	}
2340		2071
2341	/* new function to make monster searching more efficient, and effective!	2072	/* new function to make monster searching more efficient, and effective!
2342	* This basically returns a randomized array (in the passed pointer) of	2073	* This basically returns a randomized array (in the passed pointer) of
2343	* the spaces to find monsters. In this way, it won't always look for	2074	* the spaces to find monsters. In this way, it won't always look for
…		…
2346	* the 3x3 area will be searched, just not in a predictable order.	2077	* the 3x3 area will be searched, just not in a predictable order.
2347	*/	2078	*/
2348	void	2079	void
2349	get_search_arr (int *search_arr)	2080	get_search_arr (int *search_arr)
2350	{	2081	{
2351	int	2082	int i;
2352	i;
2353		2083
2354	for (i = 0; i < SIZEOFFREE; i++)	2084	for (i = 0; i < SIZEOFFREE; i++)
2355	{
2356	search_arr[i] = i;	2085	search_arr[i] = i;
2357	}
2358		2086
2359	permute (search_arr, 1, SIZEOFFREE1 + 1);	2087	permute (search_arr, 1, SIZEOFFREE1 + 1);
2360	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2088	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2361	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2089	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2362	}	2090	}
…		…
2371	* Perhaps incorrectly, but I'm making the assumption that exclude	2099	* Perhaps incorrectly, but I'm making the assumption that exclude
2372	* is actually want is going to try and move there. We need this info	2100	* is actually want is going to try and move there. We need this info
2373	* because we have to know what movement the thing looking to move	2101	* because we have to know what movement the thing looking to move
2374	* there is capable of.	2102	* there is capable of.
2375	*/	2103	*/
2376
2377	int	2104	int
2378	find_dir (mapstruct *m, int x, int y, object *exclude)	2105	find_dir (maptile *m, int x, int y, object *exclude)
2379	{	2106	{
2380	int
2381	i,
2382	max = SIZEOFFREE, mflags;	2107	int i, max = SIZEOFFREE, mflags;
2383	sint16	2108
2384	nx,	2109	sint16 nx, ny;
2385	ny;
2386	object *	2110	object *tmp;
2387	tmp;	2111	maptile *mp;
2388	mapstruct *	2112
2389	mp;	2113	MoveType blocked, move_type;
2390	MoveType
2391	blocked,
2392	move_type;
2393		2114
2394	if (exclude && exclude->head)	2115	if (exclude && exclude->head)
2395	{	2116	{
2396	exclude = exclude->head;	2117	exclude = exclude->head;
2397	move_type = exclude->move_type;	2118	move_type = exclude->move_type;
…		…
2407	mp = m;	2128	mp = m;
2408	nx = x + freearr_x[i];	2129	nx = x + freearr_x[i];
2409	ny = y + freearr_y[i];	2130	ny = y + freearr_y[i];
2410		2131
2411	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2132	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2133
2412	if (mflags & P_OUT_OF_MAP)	2134	if (mflags & P_OUT_OF_MAP)
2413	{
2414	max = maxfree[i];	2135	max = maxfree[i];
2415	}
2416	else	2136	else
2417	{	2137	{
2418	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2138	mapspace &ms = mp->at (nx, ny);
		2139
		2140	blocked = ms.move_block;
2419		2141
2420	if ((move_type & blocked) == move_type)	2142	if ((move_type & blocked) == move_type)
2421	{
2422	max = maxfree[i];	2143	max = maxfree[i];
2423	}
2424	else if (mflags & P_IS_ALIVE)	2144	else if (mflags & P_IS_ALIVE)
2425	{	2145	{
2426	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2146	for (tmp = ms.bot; tmp; tmp = tmp->above)
2427	{	2147	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2428	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2148	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))
2429	{
2430	break;	2149	break;
2431	}	2150
2432	}
2433	if (tmp)	2151	if (tmp)
2434	{
2435	return freedir[i];	2152	return freedir[i];
2436	}
2437	}	2153	}
2438	}	2154	}
2439	}	2155	}
		2156
2440	return 0;	2157	return 0;
2441	}	2158	}
2442		2159
2443	/*	2160	/*
2444	* distance(object 1, object 2) will return the square of the	2161	* distance(object 1, object 2) will return the square of the
2445	* distance between the two given objects.	2162	* distance between the two given objects.
2446	*/	2163	*/
2447
2448	int	2164	int
2449	distance (const object *ob1, const object *ob2)	2165	distance (const object *ob1, const object *ob2)
2450	{	2166	{
2451	int
2452	i;
2453
2454	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2167	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2455	return i;
2456	}	2168	}
2457		2169
2458	/*	2170	/*
2459	* find_dir_2(delta-x,delta-y) will return a direction in which	2171	* find_dir_2(delta-x,delta-y) will return a direction in which
2460	* an object which has subtracted the x and y coordinates of another	2172	* an object which has subtracted the x and y coordinates of another
2461	* object, needs to travel toward it.	2173	* object, needs to travel toward it.
2462	*/	2174	*/
2463
2464	int	2175	int
2465	find_dir_2 (int x, int y)	2176	find_dir_2 (int x, int y)
2466	{	2177	{
2467	int	2178	int q;
2468	q;
2469		2179
2470	if (y)	2180	if (y)
2471	q = x * 100 / y;	2181	q = x * 100 / y;
2472	else if (x)	2182	else if (x)
2473	q = -300 * x;	2183	q = -300 * x;
…		…
2508	int	2218	int
2509	absdir (int d)	2219	absdir (int d)
2510	{	2220	{
2511	while (d < 1)	2221	while (d < 1)
2512	d += 8;	2222	d += 8;
		2223
2513	while (d > 8)	2224	while (d > 8)
2514	d -= 8;	2225	d -= 8;
		2226
2515	return d;	2227	return d;
2516	}	2228	}
2517		2229
2518	/*	2230	/*
2519	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2231	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
…		…
2521	*/	2233	*/
2522		2234
2523	int	2235	int
2524	dirdiff (int dir1, int dir2)	2236	dirdiff (int dir1, int dir2)
2525	{	2237	{
2526	int	2238	int d;
2527	d;
2528		2239
2529	d = abs (dir1 - dir2);	2240	d = abs (dir1 - dir2);
2530	if (d > 4)	2241	if (d > 4)
2531	d = 8 - d;	2242	d = 8 - d;
		2243
2532	return d;	2244	return d;
2533	}	2245	}
2534		2246
2535	/* peterm:	2247	/* peterm:
2536	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2248	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2539	* This basically means that if direction is 15, then it could either go	2251	* This basically means that if direction is 15, then it could either go
2540	* direction 4, 14, or 16 to get back to where we are.	2252	* direction 4, 14, or 16 to get back to where we are.
2541	* Moved from spell_util.c to object.c with the other related direction	2253	* Moved from spell_util.c to object.c with the other related direction
2542	* functions.	2254	* functions.
2543	*/	2255	*/
2544
2545	int
2546	reduction_dir[SIZEOFFREE][3] = {	2256	int reduction_dir[SIZEOFFREE][3] = {
2547	{0, 0, 0}, /* 0 */	2257	{0, 0, 0}, /* 0 */
2548	{0, 0, 0}, /* 1 */	2258	{0, 0, 0}, /* 1 */
2549	{0, 0, 0}, /* 2 */	2259	{0, 0, 0}, /* 2 */
2550	{0, 0, 0}, /* 3 */	2260	{0, 0, 0}, /* 3 */
2551	{0, 0, 0}, /* 4 */	2261	{0, 0, 0}, /* 4 */
…		…
2599	* find a path to that monster that we found. If not,	2309	* find a path to that monster that we found. If not,
2600	* we don't bother going toward it. Returns 1 if we	2310	* we don't bother going toward it. Returns 1 if we
2601	* can see a direct way to get it	2311	* can see a direct way to get it
2602	* Modified to be map tile aware -.MSW	2312	* Modified to be map tile aware -.MSW
2603	*/	2313	*/
2604
2605
2606	int	2314	int
2607	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2315	can_see_monsterP (maptile *m, int x, int y, int dir)
2608	{	2316	{
2609	sint16	2317	sint16 dx, dy;
2610	dx,
2611	dy;
2612	int
2613	mflags;	2318	int mflags;
2614		2319
2615	if (dir < 0)	2320	if (dir < 0)
2616	return 0; /* exit condition: invalid direction */	2321	return 0; /* exit condition: invalid direction */
2617		2322
2618	dx = x + freearr_x[dir];	2323	dx = x + freearr_x[dir];
…		…
2631	return 0;	2336	return 0;
2632		2337
2633	/* yes, can see. */	2338	/* yes, can see. */
2634	if (dir < 9)	2339	if (dir < 9)
2635	return 1;	2340	return 1;
		2341
2636	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2342	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2637	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2343	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2344	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2638	}	2345	}
2639
2640
2641		2346
2642	/*	2347	/*
2643	* can_pick(picker, item): finds out if an object is possible to be	2348	* can_pick(picker, item): finds out if an object is possible to be
2644	* picked up by the picker. Returnes 1 if it can be	2349	* picked up by the picker. Returnes 1 if it can be
2645	* picked up, otherwise 0.	2350	* picked up, otherwise 0.
…		…
2656	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2361	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2657	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2362	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2658	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2363	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2659	}	2364	}
2660		2365
2661
2662	/*	2366	/*
2663	* create clone from object to another	2367	* create clone from object to another
2664	*/	2368	*/
2665	object *	2369	object *
2666	object_create_clone (object *asrc)	2370	object_create_clone (object *asrc)
2667	{	2371	{
2668	object *
2669	dst = NULL, *tmp, *src, *part, *prev, *item;	2372	object *dst = 0, *tmp, *src, *part, *prev, *item;
2670		2373
2671	if (!asrc)	2374	if (!asrc)
2672	return NULL;	2375	return 0;
		2376
2673	src = asrc;	2377	src = asrc;
2674	if (src->head)	2378	if (src->head)
2675	src = src->head;	2379	src = src->head;
2676		2380
2677	prev = NULL;	2381	prev = 0;
2678	for (part = src; part; part = part->more)	2382	for (part = src; part; part = part->more)
2679	{	2383	{
2680	tmp = get_object ();	2384	tmp = part->clone ();
2681	copy_object (part, tmp);
2682	tmp->x -= src->x;	2385	tmp->x -= src->x;
2683	tmp->y -= src->y;	2386	tmp->y -= src->y;
		2387
2684	if (!part->head)	2388	if (!part->head)
2685	{	2389	{
2686	dst = tmp;	2390	dst = tmp;
2687	tmp->head = NULL;	2391	tmp->head = 0;
2688	}	2392	}
2689	else	2393	else
2690	{
2691	tmp->head = dst;	2394	tmp->head = dst;
2692	}	2395
2693	tmp->more = NULL;	2396	tmp->more = 0;
		2397
2694	if (prev)	2398	if (prev)
2695	prev->more = tmp;	2399	prev->more = tmp;
		2400
2696	prev = tmp;	2401	prev = tmp;
2697	}	2402	}
2698		2403
2699	/*** copy inventory ***/
2700	for (item = src->inv; item; item = item->below)	2404	for (item = src->inv; item; item = item->below)
2701	{
2702	(void) insert_ob_in_ob (object_create_clone (item), dst);	2405	insert_ob_in_ob (object_create_clone (item), dst);
2703	}
2704		2406
2705	return dst;	2407	return dst;
2706	}	2408	}
2707		2409
2708	/* return true if the object was destroyed, 0 otherwise */
2709	int
2710	was_destroyed (const object *op, tag_t old_tag)
2711	{
2712	/* checking for FLAG_FREED isn't necessary, but makes this function more
2713	* robust */
2714	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2715	}
2716
2717	/* GROS - Creates an object using a string representing its content. */	2410	/* GROS - Creates an object using a string representing its content. */
2718
2719	/* Basically, we save the content of the string to a temp file, then call */	2411	/* Basically, we save the content of the string to a temp file, then call */
2720
2721	/* load_object on it. I admit it is a highly inefficient way to make things, */	2412	/* load_object on it. I admit it is a highly inefficient way to make things, */
2722
2723	/* but it was simple to make and allows reusing the load_object function. */	2413	/* but it was simple to make and allows reusing the load_object function. */
2724
2725	/* Remember not to use load_object_str in a time-critical situation. */	2414	/* Remember not to use load_object_str in a time-critical situation. */
2726
2727	/* Also remember that multiparts objects are not supported for now. */	2415	/* Also remember that multiparts objects are not supported for now. */
2728
2729	object *	2416	object *
2730	load_object_str (const char *obstr)	2417	load_object_str (const char *obstr)
2731	{	2418	{
2732	object *	2419	object *op;
2733	op;
2734	char
2735	filename[MAX_BUF];	2420	char filename[MAX_BUF];
2736		2421
2737	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);	2422	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2738		2423
2739	FILE *
2740	tempfile = fopen (filename, "w");	2424	FILE *tempfile = fopen (filename, "w");
2741		2425
2742	if (tempfile == NULL)	2426	if (tempfile == NULL)
2743	{	2427	{
2744	LOG (llevError, "Error - Unable to access load object temp file\n");	2428	LOG (llevError, "Error - Unable to access load object temp file\n");
2745	return NULL;	2429	return NULL;
2746	};	2430	}
		2431
2747	fprintf (tempfile, obstr);	2432	fprintf (tempfile, obstr);
2748	fclose (tempfile);	2433	fclose (tempfile);
2749		2434
2750	op = get_object ();	2435	op = object::create ();
2751		2436
2752	object_thawer	2437	object_thawer thawer (filename);
2753	thawer (filename);
2754		2438
2755	if (thawer)	2439	if (thawer)
2756	load_object (thawer, op, 0);	2440	load_object (thawer, op, 0);
2757		2441
2758	LOG (llevDebug, " load str completed, object=%s\n", &op->name);	2442	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
…		…
2766	* returns NULL if no match.	2450	* returns NULL if no match.
2767	*/	2451	*/
2768	object *	2452	object *
2769	find_obj_by_type_subtype (const object *who, int type, int subtype)	2453	find_obj_by_type_subtype (const object *who, int type, int subtype)
2770	{	2454	{
2771	object *
2772	tmp;
2773
2774	for (tmp = who->inv; tmp; tmp = tmp->below)	2455	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2775	if (tmp->type == type && tmp->subtype == subtype)	2456	if (tmp->type == type && tmp->subtype == subtype)
2776	return tmp;	2457	return tmp;
2777		2458
2778	return NULL;	2459	return 0;
2779	}	2460	}
2780		2461
2781	/* If ob has a field named key, return the link from the list,	2462	/* If ob has a field named key, return the link from the list,
2782	* otherwise return NULL.	2463	* otherwise return NULL.
2783	*	2464	*
…		…
2785	* do the desired thing.	2466	* do the desired thing.
2786	*/	2467	*/
2787	key_value *	2468	key_value *
2788	get_ob_key_link (const object *ob, const char *key)	2469	get_ob_key_link (const object *ob, const char *key)
2789	{	2470	{
2790	key_value *
2791	link;
2792
2793	for (link = ob->key_values; link != NULL; link = link->next)	2471	for (key_value *link = ob->key_values; link; link = link->next)
2794	{
2795	if (link->key == key)	2472	if (link->key == key)
2796	{
2797	return link;	2473	return link;
2798	}
2799	}
2800		2474
2801	return NULL;	2475	return 0;
2802	}	2476	}
2803		2477
2804	/*	2478	/*
2805	* Returns the value of op has an extra_field for key, or NULL.	2479	* Returns the value of op has an extra_field for key, or NULL.
2806	*	2480	*
…		…
2809	* The returned string is shared.	2483	* The returned string is shared.
2810	*/	2484	*/
2811	const char *	2485	const char *
2812	get_ob_key_value (const object *op, const char *const key)	2486	get_ob_key_value (const object *op, const char *const key)
2813	{	2487	{
2814	key_value *	2488	key_value *link;
2815	link;	2489	shstr_cmp canonical_key (key);
2816	const char *
2817	canonical_key;
2818		2490
2819	canonical_key = shstr::find (key);
2820
2821	if (canonical_key == NULL)	2491	if (!canonical_key)
2822	{	2492	{
2823	/* 1. There being a field named key on any object	2493	/* 1. There being a field named key on any object
2824	* implies there'd be a shared string to find.	2494	* implies there'd be a shared string to find.
2825	* 2. Since there isn't, no object has this field.	2495	* 2. Since there isn't, no object has this field.
2826	* 3. Therefore, *this* object doesn't have this field.	2496	* 3. Therefore, *this* object doesn't have this field.
2827	*/	2497	*/
2828	return NULL;	2498	return 0;
2829	}	2499	}
2830		2500
2831	/* This is copied from get_ob_key_link() above -	2501	/* This is copied from get_ob_key_link() above -
2832	* only 4 lines, and saves the function call overhead.	2502	* only 4 lines, and saves the function call overhead.
2833	*/	2503	*/
2834	for (link = op->key_values; link != NULL; link = link->next)	2504	for (link = op->key_values; link; link = link->next)
2835	{
2836	if (link->key == canonical_key)	2505	if (link->key == canonical_key)
2837	{
2838	return link->value;	2506	return link->value;
2839	}	2507
2840	}
2841	return NULL;	2508	return 0;
2842	}	2509	}
2843		2510
2844		2511
2845	/*	2512	/*
2846	* Updates the canonical_key in op to value.	2513	* Updates the canonical_key in op to value.
…		…
2853	* Returns TRUE on success.	2520	* Returns TRUE on success.
2854	*/	2521	*/
2855	int	2522	int
2856	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2523	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2857	{	2524	{
2858	key_value *
2859	field = NULL, *last = NULL;	2525	key_value *field = NULL, *last = NULL;
2860		2526
2861	for (field = op->key_values; field != NULL; field = field->next)	2527	for (field = op->key_values; field != NULL; field = field->next)
2862	{	2528	{
2863	if (field->key != canonical_key)	2529	if (field->key != canonical_key)
2864	{	2530	{
…		…
2882	if (last)	2548	if (last)
2883	last->next = field->next;	2549	last->next = field->next;
2884	else	2550	else
2885	op->key_values = field->next;	2551	op->key_values = field->next;
2886		2552
2887	delete
2888	field;	2553	delete field;
2889	}	2554	}
2890	}	2555	}
2891	return TRUE;	2556	return TRUE;
2892	}	2557	}
2893	/* IF we get here, key doesn't exist */	2558	/* IF we get here, key doesn't exist */
2894		2559
2895	/* No field, we'll have to add it. */	2560	/* No field, we'll have to add it. */
2896		2561
2897	if (!add_key)	2562	if (!add_key)
2898	{
2899	return FALSE;	2563	return FALSE;
2900	}	2564
2901	/* There isn't any good reason to store a null	2565	/* There isn't any good reason to store a null
2902	* value in the key/value list. If the archetype has	2566	* value in the key/value list. If the archetype has
2903	* this key, then we should also have it, so shouldn't	2567	* this key, then we should also have it, so shouldn't
2904	* be here. If user wants to store empty strings,	2568	* be here. If user wants to store empty strings,
2905	* should pass in ""	2569	* should pass in ""
…		…
2928	* Returns TRUE on success.	2592	* Returns TRUE on success.
2929	*/	2593	*/
2930	int	2594	int
2931	set_ob_key_value (object *op, const char *key, const char *value, int add_key)	2595	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2932	{	2596	{
2933	shstr
2934	key_ (key);	2597	shstr key_ (key);
2935		2598
2936	return set_ob_key_value_s (op, key_, value, add_key);	2599	return set_ob_key_value_s (op, key_, value, add_key);
2937	}	2600	}
		2601
		2602	object::depth_iterator::depth_iterator (object *container)
		2603	: iterator_base (container)
		2604	{
		2605	while (item->inv)
		2606	item = item->inv;
		2607	}
		2608
		2609	void
		2610	object::depth_iterator::next ()
		2611	{
		2612	if (item->below)
		2613	{
		2614	item = item->below;
		2615
		2616	while (item->inv)
		2617	item = item->inv;
		2618	}
		2619	else
		2620	item = item->env;
		2621	}
		2622
		2623
		2624	const char *
		2625	object::flag_desc (char *desc, int len) const
		2626	{
		2627	char *p = desc;
		2628	bool first = true;
		2629
		2630	*p = 0;
		2631
		2632	for (int i = 0; i < NUM_FLAGS; i++)
		2633	{
		2634	if (len <= 10) // magic constant!
		2635	{
		2636	snprintf (p, len, ",...");
		2637	break;
		2638	}
		2639
		2640	if (flag [i])
		2641	{
		2642	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2643	len -= cnt;
		2644	p += cnt;
		2645	first = false;
		2646	}
		2647	}
		2648
		2649	return desc;
		2650	}
		2651
		2652	// return a suitable string describing an object in enough detail to find it
		2653	const char *
		2654	object::debug_desc (char *info) const
		2655	{
		2656	char flagdesc[512];
		2657	char info2[256 * 4];
		2658	char *p = info;
		2659
		2660	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",
		2661	count, uuid.seq,
		2662	&name,
		2663	title ? "\",title:" : "",
		2664	title ? (const char *)title : "",
		2665	flag_desc (flagdesc, 512), type);
		2666
		2667	if (env)
		2668	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2669
		2670	if (map)
		2671	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
		2672
		2673	return info;
		2674	}
		2675
		2676	const char *
		2677	object::debug_desc () const
		2678	{
		2679	static char info[256 * 4];
		2680	return debug_desc (info);
		2681	}
		2682

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