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/cvs/deliantra/server/common/object.C

Comparing deliantra/server/common/object.C (file contents):
Revision 1.25 by root, Mon Sep 11 01:16:20 2006 UTC vs.
Revision 1.97 by elmex, Sat Dec 30 21:07:46 2006 UTC

1
2	/*
3	* static char *rcsid_object_c =
4	* "$Id: object.C,v 1.25 2006/09/11 01:16:20 root Exp $";
5	*/
6
7	/*	1	/*
8	CrossFire, A Multiplayer game for X-windows	2	CrossFire, A Multiplayer game for X-windows
9		3
10	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team
11	Copyright (C) 1992 Frank Tore Johansen	5	Copyright (C) 1992 Frank Tore Johansen
…		…
22		16
23	You should have received a copy of the GNU General Public License	17	You should have received a copy of the GNU General Public License
24	along with this program; if not, write to the Free Software	18	along with this program; if not, write to the Free Software
25	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26		20
27	The authors can be reached via e-mail at crossfire-devel@real-time.com	21	The authors can be reached via e-mail at <crossfire@schmorp.de>
28	*/	22	*/
29		23
30	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
31	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
32	variable. */	26	variable. */
33	#include <global.h>	27	#include <global.h>
34	#ifndef WIN32 /* ---win32 exclude headers */
35	# include <stdio.h>	28	#include <stdio.h>
36	# include <sys/types.h>	29	#include <sys/types.h>
37	# include <sys/uio.h>	30	#include <sys/uio.h>
38	#endif /* win32 */
39	#include <object.h>	31	#include <object.h>
40	#include <funcpoint.h>	32	#include <funcpoint.h>
41	#include <skills.h>
42	#include <loader.h>	33	#include <loader.h>
		34
		35	#include <bitset>
		36
43	int nrofallocobjects = 0;	37	int nrofallocobjects = 0;
		38	static UUID uuid;
		39	const uint64 UUID_SKIP = 1<<19;
44		40
45	object *objects; /* Pointer to the list of used objects */
46	object *active_objects; /* List of active objects that need to be processed */	41	object *active_objects; /* List of active objects that need to be processed */
47		42
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,	43	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	44	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	};	45	};
…		…
57	int freedir[SIZEOFFREE] = {	52	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,	53	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	54	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	};	55	};
61		56
		57	static void
		58	write_uuid (void)
		59	{
		60	char filename1[MAX_BUF], filename2[MAX_BUF];
		61
		62	sprintf (filename1, "%s/uuid", settings.localdir);
		63	sprintf (filename2, "%s/uuid~", settings.localdir);
		64
		65	FILE *fp;
		66
		67	if (!(fp = fopen (filename2, "w")))
		68	{
		69	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
		70	return;
		71	}
		72
		73	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
		74	fclose (fp);
		75	rename (filename2, filename1);
		76	}
		77
		78	static void
		79	read_uuid (void)
		80	{
		81	char filename[MAX_BUF];
		82
		83	sprintf (filename, "%s/uuid", settings.localdir);
		84
		85	FILE *fp;
		86
		87	if (!(fp = fopen (filename, "r")))
		88	{
		89	if (errno == ENOENT)
		90	{
		91	LOG (llevInfo, "RESET uid to 1\n");
		92	uuid.seq = 0;
		93	write_uuid ();
		94	return;
		95	}
		96
		97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
		98	_exit (1);
		99	}
		100
		101	int version;
		102	unsigned long long uid;
		103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)
		104	{
		105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);
		106	_exit (1);
		107	}
		108
		109	uuid.seq = uid;
		110	write_uuid ();
		111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
		112	fclose (fp);
		113	}
		114
		115	UUID
		116	gen_uuid ()
		117	{
		118	UUID uid;
		119
		120	uid.seq = ++uuid.seq;
		121
		122	if (!(uuid.seq & (UUID_SKIP - 1)))
		123	write_uuid ();
		124
		125	return uid;
		126	}
		127
		128	void
		129	init_uuid ()
		130	{
		131	read_uuid ();
		132	}
		133
62	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
63	static int	135	static int
64	compare_ob_value_lists_one (const object *wants, const object *has)	136	compare_ob_value_lists_one (const object *wants, const object *has)
65	{	137	{
66	key_value *wants_field;	138	key_value *wants_field;
…		…
69	* objects with lists are rare, and lists stay short. If not, use a	141	* objects with lists are rare, and lists stay short. If not, use a
70	* different structure or at least keep the lists sorted...	142	* different structure or at least keep the lists sorted...
71	*/	143	*/
72		144
73	/* For each field in wants, */	145	/* For each field in wants, */
74	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	146	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
75	{	147	{
76	key_value *has_field;	148	key_value *has_field;
77		149
78	/* Look for a field in has with the same key. */	150	/* Look for a field in has with the same key. */
79	has_field = get_ob_key_link (has, wants_field->key);	151	has_field = get_ob_key_link (has, wants_field->key);
…		…
113	*	185	*
114	* Note that this function appears a lot longer than the macro it	186	* Note that this function appears a lot longer than the macro it
115	* replaces - this is mostly for clarity - a decent compiler should hopefully	187	* replaces - this is mostly for clarity - a decent compiler should hopefully
116	* reduce this to the same efficiency.	188	* reduce this to the same efficiency.
117	*	189	*
118	* Check nrof variable *before* calling CAN_MERGE()	190	* Check nrof variable *before* calling can_merge()
119	*	191	*
120	* Improvements made with merge: Better checking on potion, and also	192	* Improvements made with merge: Better checking on potion, and also
121	* check weight	193	* check weight
122	*/	194	*/
123
124	bool object::can_merge (object *ob1, object *ob2)	195	bool object::can_merge_slow (object *ob1, object *ob2)
125	{	196	{
126	/* A couple quicksanity checks */	197	/* A couple quicksanity checks */
127	if ((ob1 == ob2) || (ob1->type != ob2->type))	198	if (ob1 == ob2
		199	|| ob1->type != ob2->type
		200	|| ob1->speed != ob2->speed
		201	|| ob1->value != ob2->value
		202	|| ob1->name != ob2->name)
128	return 0;	203	return 0;
129		204
130	if (ob1->speed != ob2->speed)	205	//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	206	/* 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	207	* value could not be stored in a sint32 (which unfortunately sometimes is
135	* used to store nrof).	208	* used to store nrof).
136	*/	209	*/
137	if (ob1->nrof + ob2->nrof >= 1UL << 31)	210	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
147	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
148		221
149	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
150	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
151		224
152		225	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	226	|| 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) ||	227	|| ob1->name != ob2->name
163	(ob1->title != ob2->title) ||	228	|| ob1->title != ob2->title
164	(ob1->msg != ob2->msg) ||	229	|| ob1->msg != ob2->msg
165	(ob1->weight != ob2->weight) ||	230	|| ob1->weight != ob2->weight
166	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	231	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
167	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	232	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
168	(ob1->attacktype != ob2->attacktype) ||	233	|| ob1->attacktype != ob2->attacktype
169	(ob1->magic != ob2->magic) ||	234	|| ob1->magic != ob2->magic
170	(ob1->slaying != ob2->slaying) ||	235	|| ob1->slaying != ob2->slaying
171	(ob1->skill != ob2->skill) ||	236	|| ob1->skill != ob2->skill
172	(ob1->value != ob2->value) ||	237	|| ob1->value != ob2->value
173	(ob1->animation_id != ob2->animation_id) ||	238	|| ob1->animation_id != ob2->animation_id
174	(ob1->client_type != ob2->client_type) ||	239	|| ob1->client_type != ob2->client_type
175	(ob1->materialname != ob2->materialname) ||	240	|| ob1->materialname != ob2->materialname
176	(ob1->lore != ob2->lore) ||	241	|| ob1->lore != ob2->lore
177	(ob1->subtype != ob2->subtype) ||	242	|| ob1->subtype != ob2->subtype
178	(ob1->move_type != ob2->move_type) ||	243	|| ob1->move_type != ob2->move_type
179	(ob1->move_block != ob2->move_block) ||	244	|| ob1->move_block != ob2->move_block
180	(ob1->move_allow != ob2->move_allow) ||	245	|| ob1->move_allow != ob2->move_allow
181	(ob1->move_on != ob2->move_on) ||	246	|| 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))	247	|| ob1->move_off != ob2->move_off
		248	|| ob1->move_slow != ob2->move_slow
		249	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
183	return 0;	250	return 0;
184		251
185	/* This is really a spellbook check - really, we should	252	/* This is really a spellbook check - really, we should
186	* check all objects in the inventory.	253	* check all objects in the inventory.
187	*/	254	*/
…		…
190	/* if one object has inventory but the other doesn't, not equiv */	257	/* if one object has inventory but the other doesn't, not equiv */
191	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	258	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
192	return 0;	259	return 0;
193		260
194	/* Now check to see if the two inventory objects could merge */	261	/* Now check to see if the two inventory objects could merge */
195	if (!CAN_MERGE (ob1->inv, ob2->inv))	262	if (!object::can_merge (ob1->inv, ob2->inv))
196	return 0;	263	return 0;
197		264
198	/* inventory ok - still need to check rest of this object to see	265	/* inventory ok - still need to check rest of this object to see
199	* if it is valid.	266	* if it is valid.
200	*/	267	*/
…		…
209		276
210	/* Note sure why the following is the case - either the object has to	277	/* 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	278	* be animated or have a very low speed. Is this an attempted monster
212	* check?	279	* check?
213	*/	280	*/
214	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	281	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
215	return 0;	282	return 0;
216		283
217	switch (ob1->type)	284	switch (ob1->type)
218	{	285	{
219	case SCROLL:	286	case SCROLL:
220	if (ob1->level != ob2->level)	287	if (ob1->level != ob2->level)
221	return 0;	288	return 0;
222	break;	289	break;
223	}	290	}
224		291
225	if (ob1->key_values != NULL || ob2->key_values != NULL)	292	if (ob1->key_values != NULL || ob2->key_values != NULL)
226	{	293	{
227	/* At least one of these has key_values. */	294	/* At least one of these has key_values. */
…		…
249	/*	316	/*
250	* sum_weight() is a recursive function which calculates the weight	317	* sum_weight() is a recursive function which calculates the weight
251	* an object is carrying. It goes through in figures out how much	318	* an object is carrying. It goes through in figures out how much
252	* containers are carrying, and sums it up.	319	* containers are carrying, and sums it up.
253	*/	320	*/
254	signed long	321	long
255	sum_weight (object *op)	322	sum_weight (object *op)
256	{	323	{
257	signed long sum;	324	long sum;
258	object *inv;	325	object *inv;
259		326
260	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	327	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)
261	{	328	{
262	if (inv->inv)	329	if (inv->inv)
263	sum_weight (inv);	330	sum_weight (inv);
264	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	331	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
265	}	332	}
		333
266	if (op->type == CONTAINER && op->stats.Str)	334	if (op->type == CONTAINER && op->stats.Str)
267	sum = (sum * (100 - op->stats.Str)) / 100;	335	sum = (sum * (100 - op->stats.Str)) / 100;
		336
268	if (op->carrying != sum)	337	if (op->carrying != sum)
269	op->carrying = sum;	338	op->carrying = sum;
		339
270	return sum;	340	return sum;
271	}	341	}
272		342
273	/**	343	/**
274	* Return the outermost environment object for a given object.	344	* Return the outermost environment object for a given object.
…		…
281	op = op->env;	351	op = op->env;
282	return op;	352	return op;
283	}	353	}
284		354
285	/*	355	/*
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.	356	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
302	* Some error messages.	357	* Some error messages.
303	* The result of the dump is stored in the static global errmsg array.	358	* The result of the dump is stored in the static global errmsg array.
304	*/	359	*/
305		360
306	void	361	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)	362	dump_object (object *op)
362	{	363	{
363	if (op == NULL)	364	if (!op)
364	{	365	return strdup ("[NULLOBJ]");
365	strcpy (errmsg, "[NULL pointer]");
366	return;
367	}
368	errmsg[0] = '\0';
369	dump_object2 (op);
370	}
371		366
372	void	367	object_freezer freezer;
373	dump_all_objects (void)	368	save_object (freezer, op, 1);
374	{	369	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	}	370	}
383		371
384	/*	372	/*
385	* get_nearest_part(multi-object, object 2) returns the part of the	373	* get_nearest_part(multi-object, object 2) returns the part of the
386	* multi-object 1 which is closest to the second object.	374	* multi-object 1 which is closest to the second object.
…		…
406	*/	394	*/
407		395
408	object *	396	object *
409	find_object (tag_t i)	397	find_object (tag_t i)
410	{	398	{
411	object *op;	399	for (object *op = object::first; op; op = op->next)
412
413	for (op = objects; op != NULL; op = op->next)
414	if (op->count == i)	400	if (op->count == i)
415	break;	401	return op;
		402
416	return op;	403	return 0;
417	}	404	}
418		405
419	/*	406	/*
420	* Returns the first object which has a name equal to the argument.	407	* Returns the first object which has a name equal to the argument.
421	* Used only by the patch command, but not all that useful.	408	* Used only by the patch command, but not all that useful.
…		…
423	*/	410	*/
424		411
425	object *	412	object *
426	find_object_name (const char *str)	413	find_object_name (const char *str)
427	{	414	{
428	const char *name = shstr::find (str);	415	shstr_cmp str_ (str);
429	object *op;	416	object *op;
430		417
431	for (op = objects; op != NULL; op = op->next)	418	for (op = object::first; op != NULL; op = op->next)
432	if (&op->name == name)	419	if (op->name == str_)
433	break;	420	break;
434		421
435	return op;	422	return op;
436	}	423	}
437		424
…		…
440	{	427	{
441	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);	428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
442	}	429	}
443		430
444	/*	431	/*
445	* Returns the object which this object marks as being the owner.
446	* A id-scheme is used to avoid pointing to objects which have been
447	* freed and are now reused. If this is detected, the owner is
448	* set to NULL, and NULL is returned.
449	* Changed 2004-02-12 - if the player is setting at the play again
450	* prompt, he is removed, and we don't want to treat him as an owner of
451	* anything, so check removed flag. I don't expect that this should break
452	* anything - once an object is removed, it is basically dead anyways.
453	*/
454
455	object *
456	get_owner (object *op)
457	{
458	if (op->owner == NULL)
459	return NULL;
460
461	if (!QUERY_FLAG (op->owner, FLAG_FREED) && !QUERY_FLAG (op->owner, FLAG_REMOVED) && op->owner->count == op->ownercount)
462	return op->owner;
463
464	op->owner = NULL;
465	op->ownercount = 0;
466	return NULL;
467	}
468
469	void
470	clear_owner (object *op)
471	{
472	if (!op)
473	return;
474
475	if (op->owner && op->ownercount == op->owner->count)
476	op->owner->refcount--;
477
478	op->owner = NULL;
479	op->ownercount = 0;
480	}
481
482	/*
483	* Sets the owner and sets the skill and exp pointers to owner's current	432	* Sets the owner and sets the skill and exp pointers to owner's current
484	* skill and experience objects.	433	* skill and experience objects.
485	*/	434	*/
486	void	435	void
487	set_owner (object *op, object *owner)	436	object::set_owner (object *owner)
488	{	437	{
489	if (owner == NULL || op == NULL)	438	if (!owner)
490	return;	439	return;
491		440
492	/* next line added to allow objects which own objects */	441	/* next line added to allow objects which own objects */
493	/* Add a check for ownercounts in here, as I got into an endless loop	442	/* Add a check for ownercounts in here, as I got into an endless loop
494	* with the fireball owning a poison cloud which then owned the	443	* with the fireball owning a poison cloud which then owned the
495	* fireball. I believe that was caused by one of the objects getting	444	* fireball. I believe that was caused by one of the objects getting
496	* freed and then another object replacing it. Since the ownercounts	445	* freed and then another object replacing it. Since the ownercounts
497	* didn't match, this check is valid and I believe that cause is valid.	446	* didn't match, this check is valid and I believe that cause is valid.
498	*/	447	*/
499	while (owner->owner && owner != owner->owner && owner->ownercount == owner->owner->count)	448	while (owner->owner)
500	owner = owner->owner;	449	owner = owner->owner;
501		450
502	/* IF the owner still has an owner, we did not resolve to a final owner.
503	* so lets not add to that.
504	*/
505	if (owner->owner)
506	return;
507
508	op->owner = owner;	451	this->owner = owner;
509
510	op->ownercount = owner->count;
511	owner->refcount++;
512	}
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	}	452	}
542		453
543	/* Zero the key_values on op, decrementing the shared-string	454	/* Zero the key_values on op, decrementing the shared-string
544	* refcounts and freeing the links.	455	* refcounts and freeing the links.
545	*/	456	*/
…		…
555	}	466	}
556		467
557	op->key_values = 0;	468	op->key_values = 0;
558	}	469	}
559		470
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	/*	471	/*
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,	472	* copy_to first frees everything allocated by the dst object,
627	* and then copies the contends of the first object into the second	473	* and then copies the contents of itself into the second
628	* object, allocating what needs to be allocated. Basically, any	474	* object, allocating what needs to be allocated. Basically, any
629	* data that is malloc'd needs to be re-malloc/copied. Otherwise,	475	* 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	476	* if the first object is freed, the pointers in the new object
631	* will point at garbage.	477	* will point at garbage.
632	*/	478	*/
633
634	void	479	void
635	copy_object (object *op2, object *op)	480	object::copy_to (object *dst)
636	{	481	{
637	bool is_freed = QUERY_FLAG (op, FLAG_FREED);	482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
638	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);	483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
639		484
640	op2->clone (op);	485	*(object_copy *)dst = *this;
641		486
642	if (is_freed)	487	if (is_freed)
643	SET_FLAG (op, FLAG_FREED);	488	SET_FLAG (dst, FLAG_FREED);
		489
644	if (is_removed)	490	if (is_removed)
645	SET_FLAG (op, FLAG_REMOVED);	491	SET_FLAG (dst, FLAG_REMOVED);
646		492
647	if (op2->speed < 0)	493	if (speed < 0)
648	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;	494	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
649		495
650	/* Copy over key_values, if any. */	496	/* Copy over key_values, if any. */
651	if (op2->key_values)	497	if (key_values)
652	{	498	{
653	key_value *tail = 0;	499	key_value *tail = 0;
654	key_value *i;	500	key_value *i;
655		501
656	op->key_values = 0;	502	dst->key_values = 0;
657		503
658	for (i = op2->key_values; i; i = i->next)	504	for (i = key_values; i; i = i->next)
659	{	505	{
660	key_value *new_link = new key_value;	506	key_value *new_link = new key_value;
661		507
662	new_link->next = 0;	508	new_link->next = 0;
663	new_link->key = i->key;	509	new_link->key = i->key;
664	new_link->value = i->value;	510	new_link->value = i->value;
665		511
666	/* Try and be clever here, too. */	512	/* Try and be clever here, too. */
667	if (!op->key_values)	513	if (!dst->key_values)
668	{	514	{
669	op->key_values = new_link;	515	dst->key_values = new_link;
670	tail = new_link;	516	tail = new_link;
671	}	517	}
672	else	518	else
673	{	519	{
674	tail->next = new_link;	520	tail->next = new_link;
675	tail = new_link;	521	tail = new_link;
676	}	522	}
677	}	523	}
678	}	524	}
679		525
680	update_ob_speed (op);	526	dst->set_speed (dst->speed);
		527	}
		528
		529	object *
		530	object::clone ()
		531	{
		532	object *neu = create ();
		533	copy_to (neu);
		534	return neu;
681	}	535	}
682		536
683	/*	537	/*
684	* If an object with the IS_TURNABLE() flag needs to be turned due	538	* 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	539	* 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.	540	* be called to update the face variable, _and_ how it looks on the map.
687	*/	541	*/
688
689	void	542	void
690	update_turn_face (object *op)	543	update_turn_face (object *op)
691	{	544	{
692	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	545	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
693	return;	546	return;
		547
694	SET_ANIMATION (op, op->direction);	548	SET_ANIMATION (op, op->direction);
695	update_object (op, UP_OBJ_FACE);	549	update_object (op, UP_OBJ_FACE);
696	}	550	}
697		551
698	/*	552	/*
699	* Updates the speed of an object. If the speed changes from 0 to another	553	* 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.	554	* 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.	555	* This function needs to be called whenever the speed of an object changes.
702	*/	556	*/
703
704	void	557	void
705	update_ob_speed (object *op)	558	object::set_speed (float speed)
706	{	559	{
707	extern int arch_init;	560	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	{	561	{
715	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	562	LOG (llevError, "Object %s is freed but has speed.\n", &name);
716	#ifdef MANY_CORES
717	abort ();
718	#else
719	op->speed = 0;	563	speed = 0;
720	#endif
721	}
722	if (arch_init)
723	{	564	}
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		565
732	/* process_events() expects us to insert the object at the beginning	566	this->speed = speed;
733	* of the list. */	567
734	op->active_next = active_objects;	568	if (has_active_speed ())
735	if (op->active_next != NULL)	569	activate (false);
736	op->active_next->active_prev = op;
737	active_objects = op;
738	}
739	else	570	else
740	{	571	deactivate (false);
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	}	572	}
761		573
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	/*	574	/*
794	* update_object() updates the array which represents the map.	575	* update_object() updates the the map.
795	* It takes into account invisible objects (and represent squares covered	576	* It takes into account invisible objects (and represent squares covered
796	* by invisible objects by whatever is below them (unless it's another	577	* by invisible objects by whatever is below them (unless it's another
797	* invisible object, etc...)	578	* invisible object, etc...)
798	* If the object being updated is beneath a player, the look-window	579	* 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	580	* of that player is updated (this might be a suboptimal way of
800	* updating that window, though, since update_object() is called _often_)	581	* updating that window, though, since update_object() is called _often_)
801	*	582	*
802	* action is a hint of what the caller believes need to be done.	583	* 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:	584	* current action are:
808	* UP_OBJ_INSERT: op was inserted	585	* UP_OBJ_INSERT: op was inserted
809	* UP_OBJ_REMOVE: op was removed	586	* UP_OBJ_REMOVE: op was removed
810	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	587	* 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.	588	* as that is easier than trying to look at what may have changed.
812	* UP_OBJ_FACE: only the objects face has changed.	589	* UP_OBJ_FACE: only the objects face has changed.
813	*/	590	*/
814
815	void	591	void
816	update_object (object *op, int action)	592	update_object (object *op, int action)
817	{	593	{
818	int update_now = 0, flags;
819	MoveType move_on, move_off, move_block, move_slow;	594	MoveType move_on, move_off, move_block, move_slow;
820		595
821	if (op == NULL)	596	if (op == NULL)
822	{	597	{
823	/* this should never happen */	598	/* this should never happen */
824	LOG (llevDebug, "update_object() called for NULL object.\n");	599	LOG (llevDebug, "update_object() called for NULL object.\n");
825	return;	600	return;
826	}	601	}
827		602
828	if (op->env != NULL)	603	if (op->env)
829	{	604	{
830	/* Animation is currently handled by client, so nothing	605	/* Animation is currently handled by client, so nothing
831	* to do in this case.	606	* to do in this case.
832	*/	607	*/
833	return;	608	return;
…		…
838	*/	613	*/
839	if (!op->map || op->map->in_memory == MAP_SAVING)	614	if (!op->map || op->map->in_memory == MAP_SAVING)
840	return;	615	return;
841		616
842	/* make sure the object is within map boundaries */	617	/* 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))	618	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
844	{	619	{
845	LOG (llevError, "update_object() called for object out of map!\n");	620	LOG (llevError, "update_object() called for object out of map!\n");
846	#ifdef MANY_CORES	621	#ifdef MANY_CORES
847	abort ();	622	abort ();
848	#endif	623	#endif
849	return;	624	return;
850	}	625	}
851		626
852	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	627	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		628
		629	if (m.flags_ & P_NEED_UPDATE)
		630	/* nop */;
859	if (action == UP_OBJ_INSERT)	631	else if (action == UP_OBJ_INSERT)
860	{	632	{
		633	// this is likely overkill, TODO: revisit (schmorp)
861	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	634	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))	635	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
865	update_now = 1;	636	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
866		637	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		638	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
867	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	639	|| (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)	640	|| (m.move_on | op->move_on ) != m.move_on
877	update_now = 1;
878
879	if ((move_off | op->move_off) != move_off)	641	|| (m.move_off | op->move_off ) != m.move_off
880	update_now = 1;	642	|| (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	643	/* This isn't perfect, but I don't expect a lot of objects to
883	* to have move_allow right now.	644	* to have move_allow right now.
884	*/	645	*/
885	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	646	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
886	update_now = 1;	647	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
887		648	m.flags_ = P_NEED_UPDATE;
888	if ((move_slow | op->move_slow) != move_slow)
889	update_now = 1;
890	}	649	}
891	/* if the object is being removed, we can't make intelligent	650	/* if the object is being removed, we can't make intelligent
892	* decisions, because remove_ob can't really pass the object	651	* decisions, because remove_ob can't really pass the object
893	* that is being removed.	652	* that is being removed.
894	*/	653	*/
895	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	654	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
896	{	655	m.flags_ = P_NEED_UPDATE;
897	update_now = 1;
898	}
899	else if (action == UP_OBJ_FACE)	656	else if (action == UP_OBJ_FACE)
900	{
901	/* Nothing to do for that case */	657	/* Nothing to do for that case */ ;
902	}
903	else	658	else
904	{
905	LOG (llevError, "update_object called with invalid action: %d\n", action);	659	LOG (llevError, "update_object called with invalid action: %d\n", action);
906	}
907		660
908	if (update_now)
909	{
910	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
911	update_position (op->map, op->x, op->y);
912	}
913
914	if (op->more != NULL)	661	if (op->more)
915	update_object (op->more, action);	662	update_object (op->more, action);
916	}	663	}
917		664
918	static unordered_vector<object *> mortals;	665	object::vector object::objects; // not yet used
919	static std::vector<object *> freed;	666	object *object::first;
920
921	void object::free_mortals ()
922	{
923	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end (); )
924	if (!(*i)->refcount)
925	{
926	freed.push_back (*i);
927	mortals.erase (i);
928	}
929	else
930	++i;
931	}
932		667
933	object::object ()	668	object::object ()
934	{	669	{
935	SET_FLAG (this, FLAG_REMOVED);	670	SET_FLAG (this, FLAG_REMOVED);
936		671
937	expmul = 1.0;	672	expmul = 1.0;
938	face = blank_face;	673	face = blank_face;
939	attacked_by_count = -1;
940	}	674	}
941		675
942	object::~object ()	676	object::~object ()
943	{	677	{
944	free_key_values (this);	678	free_key_values (this);
945	}	679	}
946		680
947	void object::link ()	681	void object::link ()
948	{	682	{
949	count = ++ob_count;	683	count = ++ob_count;
		684	uuid = gen_uuid ();
950		685
951	prev = 0;	686	prev = 0;
952	next = objects;	687	next = object::first;
953		688
954	if (objects)	689	if (object::first)
955	objects->prev = this;	690	object::first->prev = this;
956		691
957	objects = this;	692	object::first = this;
958	}	693	}
959		694
960	void object::unlink ()	695	void object::unlink ()
961	{	696	{
962	count = 0;	697	if (this == object::first)
		698	object::first = next;
963		699
964	/* Remove this object from the list of used objects */	700	/* Remove this object from the list of used objects */
965	if (prev)
966	{
967	prev->next = next;	701	if (prev) prev->next = next;
		702	if (next) next->prev = prev;
		703
968	prev = 0;	704	prev = 0;
969	}
970
971	if (next)
972	{
973	next->prev = prev;
974	next = 0;	705	next = 0;
		706	}
		707
		708	void
		709	object::activate (bool recursive)
		710	{
		711	if (has_active_speed ())
975	}	712	{
		713	/* If already on active list, don't do anything */
		714	if (active_next || active_prev || this == active_objects)
		715	return;
976		716
977	if (this == objects)	717	/* process_events() expects us to insert the object at the beginning
978	objects = next;	718	* of the list. */
		719	active_next = active_objects;
		720
		721	if (active_next)
		722	active_next->active_prev = this;
		723
		724	active_objects = this;
		725	}
		726
		727	if (recursive)
		728	for (object *op = inv; op; op = op->above)
		729	op->activate (1);
		730	}
		731
		732	/* This function removes object 'op' from the list of active
		733	* objects.
		734	* This should only be used for style maps or other such
		735	* reference maps where you don't want an object that isn't
		736	* in play chewing up cpu time getting processed.
		737	* The reverse of this is to call update_ob_speed, which
		738	* will do the right thing based on the speed of the object.
		739	*/
		740	void
		741	object::deactivate (bool recursive)
		742	{
		743	/* If not on the active list, nothing needs to be done */
		744	if (!active_next && !active_prev && this != active_objects)
		745	return;
		746
		747	if (active_prev == 0)
		748	{
		749	active_objects = active_next;
		750	if (active_next)
		751	active_next->active_prev = 0;
		752	}
		753	else
		754	{
		755	active_prev->active_next = active_next;
		756	if (active_next)
		757	active_next->active_prev = active_prev;
		758	}
		759
		760	active_next = 0;
		761	active_prev = 0;
		762
		763	if (recursive)
		764	for (object *op = inv; op; op = op->above)
		765	op->deactivate (1);
		766	}
		767
		768	/*
		769	* Remove and free all objects in the inventory of the given object.
		770	* object.c ?
		771	*/
		772	void
		773	object::destroy_inv (bool drop_to_ground)
		774	{
		775	// need to check first, because the checks below might segfault
		776	// as we might be on an invalid mapspace and crossfire code
		777	// is too buggy to ensure that the inventory is empty.
		778	// corollary: if you create arrows etc. with stuff in tis inventory,
		779	// cf will crash below with off-map x and y
		780	if (!inv)
		781	return;
		782
		783	/* Only if the space blocks everything do we not process -
		784	* if some form of movement is allowed, let objects
		785	* drop on that space.
		786	*/
		787	if (!drop_to_ground
		788	|| !map
		789	|| map->in_memory != MAP_IN_MEMORY
		790	|| ms ().move_block == MOVE_ALL)
		791	{
		792	while (inv)
		793	{
		794	inv->destroy_inv (drop_to_ground);
		795	inv->destroy ();
		796	}
		797	}
		798	else
		799	{ /* Put objects in inventory onto this space */
		800	while (inv)
		801	{
		802	object *op = inv;
		803
		804	if (op->flag [FLAG_STARTEQUIP]
		805	|| op->flag [FLAG_NO_DROP]
		806	|| op->type == RUNE
		807	|| op->type == TRAP
		808	|| op->flag [FLAG_IS_A_TEMPLATE])
		809	op->destroy ();
		810	else
		811	map->insert (op, x, y);
		812	}
		813	}
979	}	814	}
980		815
981	object *object::create ()	816	object *object::create ()
982	{	817	{
983	object *op;
984
985	if (freed.empty ())
986	op = new object;	818	object *op = new object;
987	else
988	{
989	// highly annoying, but the only way to get it stable right now
990	op = freed.back (); freed.pop_back ();
991	op->~object ();
992	new ((void *)op) object;
993	}
994
995	op->link ();	819	op->link ();
996	return op;	820	return op;
997	}	821	}
998		822
999	/*	823	void
1000	* free_object() frees everything allocated by an object, removes	824	object::do_destroy ()
1001	* it from the list of used objects, and puts it on the list of
1002	* free objects. The IS_FREED() flag is set in the object.
1003	* The object must have been removed by remove_ob() first for
1004	* this function to succeed.
1005	*
1006	* If free_inventory is set, free inventory as well. Else drop items in
1007	* inventory to the ground.
1008	*/
1009	void object::free (bool free_inventory)
1010	{	825	{
1011	if (!QUERY_FLAG (this, FLAG_REMOVED))	826	if (flag [FLAG_IS_LINKED])
1012	{	827	remove_button_link (this);
1013	LOG (llevDebug, "Free object called with non removed object\n");
1014	dump_object (this);
1015	#ifdef MANY_CORES
1016	abort ();
1017	#endif
1018	}
1019		828
1020	if (QUERY_FLAG (this, FLAG_FRIENDLY))	829	if (flag [FLAG_FRIENDLY])
1021	{
1022	LOG (llevMonster, "Warning: tried to free friendly object.\n");
1023	remove_friendly_object (this);	830	remove_friendly_object (this);
1024	}
1025		831
1026	if (QUERY_FLAG (this, FLAG_FREED))	832	if (!flag [FLAG_REMOVED])
1027	{	833	remove ();
1028	dump_object (this);	834
1029	LOG (llevError, "Trying to free freed object.\n%s\n", errmsg);	835	if (flag [FLAG_FREED])
1030	return;	836	return;
		837
		838	set_speed (0);
		839
		840	flag [FLAG_FREED] = 1;
		841
		842	attachable::do_destroy ();
		843
		844	destroy_inv (true);
		845	unlink ();
		846
		847	// hack to ensure that freed objects still have a valid map
		848	{
		849	static maptile *freed_map; // freed objects are moved here to avoid crashes
		850
		851	if (!freed_map)
		852	{
		853	freed_map = new maptile;
		854
		855	freed_map->name = "/internal/freed_objects_map";
		856	freed_map->width = 3;
		857	freed_map->height = 3;
		858
		859	freed_map->alloc ();
1031	}	860	}
		861
		862	map = freed_map;
		863	x = 1;
		864	y = 1;
		865	}
		866
		867	head = 0;
1032		868
1033	if (more)	869	if (more)
1034	{	870	{
1035	more->free (free_inventory);	871	more->destroy ();
1036	more = 0;	872	more = 0;
1037	}	873	}
1038		874
1039	if (inv)	875	// clear those pointers that likely might have circular references to us
1040	{	876	owner = 0;
1041	/* Only if the space blocks everything do we not process -	877	enemy = 0;
1042	* if some form of movement is allowed, let objects	878	attacked_by = 0;
1043	* drop on that space.
1044	*/
1045	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || (GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL))
1046	{
1047	object *
1048	op = inv;
1049		879
1050	while (op)	880	// only relevant for players(?), but make sure of it anyways
1051	{	881	contr = 0;
1052	object *	882	}
1053	tmp = op->below;
1054		883
1055	remove_ob (op);	884	void
1056	op->free (free_inventory);	885	object::destroy (bool destroy_inventory)
1057	op = tmp;	886	{
1058	}	887	if (destroyed ())
1059	}	888	return;
1060	else
1061	{ /* Put objects in inventory onto this space */
1062	object *
1063	op = inv;
1064		889
1065	while (op)	890	if (destroy_inventory)
1066	{	891	destroy_inv (false);
1067	object *
1068	tmp = op->below;
1069		892
1070	remove_ob (op);	893	attachable::destroy ();
1071
1072	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1073	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1074	free_object (op);
1075	else
1076	{
1077	op->x = x;
1078	op->y = y;
1079	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
1080	}
1081
1082	op = tmp;
1083	}
1084	}
1085	}
1086
1087	clear_owner (this);
1088
1089	/* Remove object from the active list */
1090	speed = 0;
1091	update_ob_speed (this);
1092
1093	unlink ();
1094
1095	SET_FLAG (this, FLAG_FREED);
1096
1097	mortals.push_back (this);
1098	}	894	}
1099		895
1100	/*	896	/*
1101	* sub_weight() recursively (outwards) subtracts a number from the	897	* sub_weight() recursively (outwards) subtracts a number from the
1102	* weight of an object (and what is carried by it's environment(s)).	898	* weight of an object (and what is carried by it's environment(s)).
1103	*/	899	*/
1104
1105	void	900	void
1106	sub_weight (object *op, signed long weight)	901	sub_weight (object *op, signed long weight)
1107	{	902	{
1108	while (op != NULL)	903	while (op != NULL)
1109	{	904	{
1110	if (op->type == CONTAINER)	905	if (op->type == CONTAINER)
1111	{
1112	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	906	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1113	}	907
1114	op->carrying -= weight;	908	op->carrying -= weight;
1115	op = op->env;	909	op = op->env;
1116	}	910	}
1117	}	911	}
1118		912
1119	/* remove_ob(op):	913	/* op->remove ():
1120	* This function removes the object op from the linked list of objects	914	* This function removes the object op from the linked list of objects
1121	* which it is currently tied to. When this function is done, the	915	* which it is currently tied to. When this function is done, the
1122	* object will have no environment. If the object previously had an	916	* object will have no environment. If the object previously had an
1123	* environment, the x and y coordinates will be updated to	917	* environment, the x and y coordinates will be updated to
1124	* the previous environment.	918	* the previous environment.
1125	* Beware: This function is called from the editor as well!	919	* Beware: This function is called from the editor as well!
1126	*/	920	*/
1127
1128	void	921	void
1129	remove_ob (object *op)	922	object::remove ()
1130	{	923	{
		924	object *tmp, *last = 0;
1131	object *	925	object *otmp;
1132	tmp, *
1133	last = NULL;
1134	object *
1135	otmp;
1136	tag_t
1137	tag;
1138	int
1139	check_walk_off;
1140	mapstruct *
1141	m;
1142	sint16
1143	x,
1144	y;
1145		926
1146
1147	if (QUERY_FLAG (op, FLAG_REMOVED))	927	if (QUERY_FLAG (this, FLAG_REMOVED))
1148	{	928	return;
1149	dump_object (op);
1150	LOG (llevError, "Trying to remove removed object.\n%s\n", errmsg);
1151		929
1152	/* Changed it to always dump core in this case. As has been learned
1153	* in the past, trying to recover from errors almost always
1154	* make things worse, and this is a real error here - something
1155	* that should not happen.
1156	* Yes, if this was a mission critical app, trying to do something
1157	* to recover may make sense, but that is because failure of the app
1158	* may have other disastrous problems. Cf runs out of a script
1159	* so is easily enough restarted without any real problems.
1160	* MSW 2001-07-01
1161	*/
1162	abort ();
1163	}
1164	if (op->more != NULL)
1165	remove_ob (op->more);
1166
1167	SET_FLAG (op, FLAG_REMOVED);	930	SET_FLAG (this, FLAG_REMOVED);
		931	INVOKE_OBJECT (REMOVE, this);
		932
		933	if (more)
		934	more->remove ();
1168		935
1169	/*	936	/*
1170	* In this case, the object to be removed is in someones	937	* In this case, the object to be removed is in someones
1171	* inventory.	938	* inventory.
1172	*/	939	*/
1173	if (op->env != NULL)	940	if (env)
1174	{	941	{
1175	if (op->nrof)	942	if (nrof)
1176	sub_weight (op->env, op->weight * op->nrof);	943	sub_weight (env, weight * nrof);
1177	else	944	else
1178	sub_weight (op->env, op->weight + op->carrying);	945	sub_weight (env, weight + carrying);
1179		946
1180	/* NO_FIX_PLAYER is set when a great many changes are being	947	/* NO_FIX_PLAYER is set when a great many changes are being
1181	* made to players inventory. If set, avoiding the call	948	* made to players inventory. If set, avoiding the call
1182	* to save cpu time.	949	* to save cpu time.
1183	*/	950	*/
1184	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	951	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1185	fix_player (otmp);	952	otmp->update_stats ();
1186		953
1187	if (op->above != NULL)	954	if (above)
1188	op->above->below = op->below;	955	above->below = below;
1189	else	956	else
1190	op->env->inv = op->below;	957	env->inv = below;
1191		958
1192	if (op->below != NULL)	959	if (below)
1193	op->below->above = op->above;	960	below->above = above;
1194		961
1195	/* we set up values so that it could be inserted into	962	/* we set up values so that it could be inserted into
1196	* the map, but we don't actually do that - it is up	963	* the map, but we don't actually do that - it is up
1197	* to the caller to decide what we want to do.	964	* to the caller to decide what we want to do.
1198	*/	965	*/
1199	op->x = op->env->x, op->y = op->env->y;	966	x = env->x, y = env->y;
1200	op->map = op->env->map;	967	map = env->map;
1201	op->above = NULL, op->below = NULL;	968	above = 0, below = 0;
1202	op->env = NULL;	969	env = 0;
1203	return;
1204	}
1205
1206	/* If we get here, we are removing it from a map */
1207	if (op->map == NULL)
1208	return;
1209
1210	x = op->x;
1211	y = op->y;
1212	m = get_map_from_coord (op->map, &x, &y);
1213
1214	if (!m)
1215	{	970	}
1216	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",	971	else if (map)
1217	op->map->path, op->x, op->y);
1218	/* in old days, we used to set x and y to 0 and continue.
1219	* it seems if we get into this case, something is probablye
1220	* screwed up and should be fixed.
1221	*/
1222	abort ();
1223	}	972	{
1224	if (op->map != m)	973	if (type == PLAYER)
1225	{	974	{
1226	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	975	--map->players;
1227	op->map->path, m->path, op->x, op->y, x, y);	976	map->last_access = runtime;
1228	}	977	}
1229		978
1230	/* Re did the following section of code - it looks like it had
1231	* lots of logic for things we no longer care about
1232	*/
1233		979
1234	/* link the object above us */	980	/* link the object above us */
1235	if (op->above)	981	if (above)
1236	op->above->below = op->below;	982	above->below = below;
1237	else	983	else
1238	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	984	map->at (x, y).top = below; /* we were top, set new top */
1239		985
1240	/* Relink the object below us, if there is one */	986	/* Relink the object below us, if there is one */
1241	if (op->below)	987	if (below)
1242	{
1243	op->below->above = op->above;	988	below->above = above;
1244	}
1245	else	989	else
1246	{	990	{
1247	/* Nothing below, which means we need to relink map object for this space	991	/* Nothing below, which means we need to relink map object for this space
1248	* use translated coordinates in case some oddness with map tiling is	992	* use translated coordinates in case some oddness with map tiling is
1249	* evident	993	* evident
1250	*/
1251	if (GET_MAP_OB (m, x, y) != op)
1252	{
1253	dump_object (op);
1254	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n",
1255	errmsg);
1256	dump_object (GET_MAP_OB (m, x, y));
1257	LOG (llevError, "%s\n", errmsg);
1258	}
1259	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1260	}
1261	op->above = NULL;
1262	op->below = NULL;
1263
1264	if (op->map->in_memory == MAP_SAVING)
1265	return;
1266
1267	tag = op->count;
1268	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1269	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1270	{
1271	/* No point updating the players look faces if he is the object
1272	* being removed.
1273	*/
1274
1275	if (tmp->type == PLAYER && tmp != op)
1276	{
1277	/* If a container that the player is currently using somehow gets
1278	* removed (most likely destroyed), update the player view
1279	* appropriately.
1280	*/	994	*/
1281	if (tmp->container == op)	995	if (GET_MAP_OB (map, x, y) != this)
1282	{	996	{
1283	CLEAR_FLAG (op, FLAG_APPLIED);	997	char *dump = dump_object (this);
1284	tmp->container = NULL;	998	LOG (llevError,
		999	"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);
		1000	free (dump);
		1001	dump = dump_object (GET_MAP_OB (map, x, y));
		1002	LOG (llevError, "%s\n", dump);
		1003	free (dump);
1285	}	1004	}
1286	tmp->contr->socket.update_look = 1;	1005
1287	}	1006	map->at (x, y).bot = above; /* goes on above it. */
1288	/* See if player moving off should effect something */
1289	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1290	{	1007	}
1291		1008
1292	move_apply (tmp, op, NULL);	1009	above = 0;
1293	if (was_destroyed (op, tag))	1010	below = 0;
		1011
		1012	if (map->in_memory == MAP_SAVING)
		1013	return;
		1014
		1015	int check_walk_off = !flag [FLAG_NO_APPLY];
		1016
		1017	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)
		1018	{
		1019	/* No point updating the players look faces if he is the object
		1020	* being removed.
		1021	*/
		1022
		1023	if (tmp->type == PLAYER && tmp != this)
1294	{	1024	{
1295	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);	1025	/* If a container that the player is currently using somehow gets
		1026	* removed (most likely destroyed), update the player view
		1027	* appropriately.
		1028	*/
		1029	if (tmp->container == this)
		1030	{
		1031	flag [FLAG_APPLIED] = 0;
		1032	tmp->container = 0;
		1033	}
		1034
		1035	if (tmp->contr->ns)
		1036	tmp->contr->ns->floorbox_update ();
1296	}	1037	}
		1038
		1039	/* See if object moving off should effect something */
		1040	if (check_walk_off
		1041	&& ((move_type & tmp->move_off)
		1042	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
		1043	{
		1044	move_apply (tmp, this, 0);
		1045
		1046	if (destroyed ())
		1047	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1297	}	1048	}
1298		1049
1299	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1050	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1300		1051	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1301	if (tmp->above == tmp)	1052	if (tmp->above == tmp)
1302	tmp->above = NULL;	1053	tmp->above = 0;
		1054
1303	last = tmp;	1055	last = tmp;
1304	}	1056	}
		1057
1305	/* last == NULL of there are no objects on this space */	1058	/* last == NULL if there are no objects on this space */
1306	if (last == NULL)	1059	//TODO: this makes little sense, why only update the topmost object?
1307	{	1060	if (!last)
1308	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,	1061	map->at (x, y).flags_ = P_NEED_UPDATE;
1309	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1310	* those out anyways, and if there are any flags set right now, they won't
1311	* be correct anyways.
1312	*/
1313	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1314	update_position (op->map, op->x, op->y);
1315	}
1316	else	1062	else
1317	update_object (last, UP_OBJ_REMOVE);	1063	update_object (last, UP_OBJ_REMOVE);
1318		1064
1319	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1065	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1320	update_all_los (op->map, op->x, op->y);	1066	update_all_los (map, x, y);
1321		1067	}
1322	}	1068	}
1323		1069
1324	/*	1070	/*
1325	* merge_ob(op,top):	1071	* merge_ob(op,top):
1326	*	1072	*
1327	* This function goes through all objects below and including top, and	1073	* This function goes through all objects below and including top, and
1328	* merges op to the first matching object.	1074	* merges op to the first matching object.
1329	* If top is NULL, it is calculated.	1075	* If top is NULL, it is calculated.
1330	* Returns pointer to object if it succeded in the merge, otherwise NULL	1076	* Returns pointer to object if it succeded in the merge, otherwise NULL
1331	*/	1077	*/
1332
1333	object *	1078	object *
1334	merge_ob (object *op, object *top)	1079	merge_ob (object *op, object *top)
1335	{	1080	{
1336	if (!op->nrof)	1081	if (!op->nrof)
1337	return 0;	1082	return 0;
1338	if (top == NULL)	1083
		1084	if (top)
1339	for (top = op; top != NULL && top->above != NULL; top = top->above);	1085	for (top = op; top && top->above; top = top->above)
		1086	;
		1087
1340	for (; top != NULL; top = top->below)	1088	for (; top; top = top->below)
1341	{	1089	{
1342	if (top == op)	1090	if (top == op)
1343	continue;	1091	continue;
1344	if (CAN_MERGE (op, top))	1092
		1093	if (object::can_merge (op, top))
1345	{	1094	{
1346	top->nrof += op->nrof;	1095	top->nrof += op->nrof;
1347		1096
1348	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1097	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1349	op->weight = 0; /* Don't want any adjustements now */	1098	op->weight = 0; /* Don't want any adjustements now */
1350	remove_ob (op);	1099	op->destroy ();
1351	free_object (op);
1352	return top;	1100	return top;
1353	}	1101	}
1354	}	1102	}
		1103
1355	return NULL;	1104	return 0;
1356	}	1105	}
1357		1106
1358	/*	1107	/*
1359	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1108	* same as insert_ob_in_map except it handle separate coordinates and do a clean
1360	* job preparing multi-part monsters	1109	* job preparing multi-part monsters
1361	*/	1110	*/
1362	object *	1111	object *
1363	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1112	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1364	{	1113	{
1365	object *
1366	tmp;
1367
1368	if (op->head)
1369	op = op->head;
1370	for (tmp = op; tmp; tmp = tmp->more)	1114	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1371	{	1115	{
1372	tmp->x = x + tmp->arch->clone.x;	1116	tmp->x = x + tmp->arch->clone.x;
1373	tmp->y = y + tmp->arch->clone.y;	1117	tmp->y = y + tmp->arch->clone.y;
1374	}	1118	}
		1119
1375	return insert_ob_in_map (op, m, originator, flag);	1120	return insert_ob_in_map (op, m, originator, flag);
1376	}	1121	}
1377		1122
1378	/*	1123	/*
1379	* insert_ob_in_map (op, map, originator, flag):	1124	* insert_ob_in_map (op, map, originator, flag):
…		…
1393	* Return value:	1138	* Return value:
1394	* new object if 'op' was merged with other object	1139	* new object if 'op' was merged with other object
1395	* NULL if 'op' was destroyed	1140	* NULL if 'op' was destroyed
1396	* just 'op' otherwise	1141	* just 'op' otherwise
1397	*/	1142	*/
1398
1399	object *	1143	object *
1400	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1144	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1401	{	1145	{
1402	object *tmp, *top, *floor = NULL;	1146	object *tmp, *top, *floor = NULL;
1403	sint16 x, y;	1147	sint16 x, y;
1404		1148
1405	if (QUERY_FLAG (op, FLAG_FREED))	1149	if (QUERY_FLAG (op, FLAG_FREED))
1406	{	1150	{
1407	LOG (llevError, "Trying to insert freed object!\n");	1151	LOG (llevError, "Trying to insert freed object!\n");
1408	return NULL;	1152	return NULL;
1409	}	1153	}
1410		1154
1411	if (m == NULL)	1155	if (!m)
1412	{	1156	{
1413	dump_object (op);	1157	char *dump = dump_object (op);
1414	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);	1158	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
		1159	free (dump);
1415	return op;	1160	return op;
1416	}	1161	}
1417		1162
1418	if (out_of_map (m, op->x, op->y))	1163	if (out_of_map (m, op->x, op->y))
1419	{	1164	{
1420	dump_object (op);	1165	char *dump = dump_object (op);
1421	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);	1166	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1422	#ifdef MANY_CORES	1167	#ifdef MANY_CORES
1423	/* Better to catch this here, as otherwise the next use of this object	1168	/* Better to catch this here, as otherwise the next use of this object
1424	* is likely to cause a crash. Better to find out where it is getting	1169	* is likely to cause a crash. Better to find out where it is getting
1425	* improperly inserted.	1170	* improperly inserted.
1426	*/	1171	*/
1427	abort ();	1172	abort ();
1428	#endif	1173	#endif
		1174	free (dump);
1429	return op;	1175	return op;
1430	}	1176	}
1431		1177
1432	if (!QUERY_FLAG (op, FLAG_REMOVED))	1178	if (!QUERY_FLAG (op, FLAG_REMOVED))
1433	{	1179	{
1434	dump_object (op);	1180	char *dump = dump_object (op);
1435	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);	1181	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
		1182	free (dump);
1436	return op;	1183	return op;
1437	}	1184	}
1438		1185
1439	if (op->more != NULL)	1186	if (op->more)
1440	{	1187	{
1441	/* The part may be on a different map. */	1188	/* The part may be on a different map. */
1442		1189
1443	object *
1444	more = op->more;	1190	object *more = op->more;
1445		1191
1446	/* We really need the caller to normalize coordinates - if	1192	/* We really need the caller to normalize coordinates - if
1447	* we set the map, that doesn't work if the location is within	1193	* we set the map, that doesn't work if the location is within
1448	* a map and this is straddling an edge. So only if coordinate	1194	* a map and this is straddling an edge. So only if coordinate
1449	* is clear wrong do we normalize it.	1195	* is clear wrong do we normalize it.
1450	*/	1196	*/
1451	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))	1197	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1452	{
1453	more->map = get_map_from_coord (m, &more->x, &more->y);	1198	more->map = get_map_from_coord (m, &more->x, &more->y);
1454	}
1455	else if (!more->map)	1199	else if (!more->map)
1456	{	1200	{
1457	/* For backwards compatibility - when not dealing with tiled maps,	1201	/* For backwards compatibility - when not dealing with tiled maps,
1458	* more->map should always point to the parent.	1202	* more->map should always point to the parent.
1459	*/	1203	*/
…		…
1462		1206
1463	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1207	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1464	{	1208	{
1465	if (!op->head)	1209	if (!op->head)
1466	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1210	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
		1211
1467	return NULL;	1212	return 0;
1468	}	1213	}
1469	}	1214	}
1470		1215
1471	CLEAR_FLAG (op, FLAG_REMOVED);	1216	CLEAR_FLAG (op, FLAG_REMOVED);
1472		1217
…		…
1479	y = op->y;	1224	y = op->y;
1480		1225
1481	/* this has to be done after we translate the coordinates.	1226	/* this has to be done after we translate the coordinates.
1482	*/	1227	*/
1483	if (op->nrof && !(flag & INS_NO_MERGE))	1228	if (op->nrof && !(flag & INS_NO_MERGE))
1484	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1229	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)
1485	if (CAN_MERGE (op, tmp))	1230	if (object::can_merge (op, tmp))
1486	{	1231	{
1487	op->nrof += tmp->nrof;	1232	op->nrof += tmp->nrof;
1488	remove_ob (tmp);	1233	tmp->destroy ();
1489	free_object (tmp);
1490	}	1234	}
1491		1235
1492	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1236	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1493	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1237	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1494		1238
…		…
1507	op->below = originator->below;	1251	op->below = originator->below;
1508		1252
1509	if (op->below)	1253	if (op->below)
1510	op->below->above = op;	1254	op->below->above = op;
1511	else	1255	else
1512	SET_MAP_OB (op->map, op->x, op->y, op);	1256	op->ms ().bot = op;
1513		1257
1514	/* since *below* originator, no need to update top */	1258	/* since *below* originator, no need to update top */
1515	originator->below = op;	1259	originator->below = op;
1516	}	1260	}
1517	else	1261	else
1518	{	1262	{
1519	/* If there are other objects, then */	1263	/* If there are other objects, then */
1520	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1264	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))
1521	{	1265	{
1522	object *last = NULL;	1266	object *last = 0;
1523		1267
1524	/*	1268	/*
1525	* If there are multiple objects on this space, we do some trickier handling.	1269	* If there are multiple objects on this space, we do some trickier handling.
1526	* We've already dealt with merging if appropriate.	1270	* We've already dealt with merging if appropriate.
1527	* Generally, we want to put the new object on top. But if	1271	* Generally, we want to put the new object on top. But if
…		…
1531	* once we get to them. This reduces the need to traverse over all of	1275	* once we get to them. This reduces the need to traverse over all of
1532	* them when adding another one - this saves quite a bit of cpu time	1276	* them when adding another one - this saves quite a bit of cpu time
1533	* when lots of spells are cast in one area. Currently, it is presumed	1277	* when lots of spells are cast in one area. Currently, it is presumed
1534	* that flying non pickable objects are spell objects.	1278	* that flying non pickable objects are spell objects.
1535	*/	1279	*/
1536
1537	while (top != NULL)	1280	while (top)
1538	{	1281	{
1539	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1282	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1540	floor = top;	1283	floor = top;
		1284
1541	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1285	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
1542	{	1286	{
1543	/* We insert above top, so we want this object below this */	1287	/* We insert above top, so we want this object below this */
1544	top = top->below;	1288	top = top->below;
1545	break;	1289	break;
1546	}	1290	}
		1291
1547	last = top;	1292	last = top;
1548	top = top->above;	1293	top = top->above;
1549	}	1294	}
		1295
1550	/* Don't want top to be NULL, so set it to the last valid object */	1296	/* Don't want top to be NULL, so set it to the last valid object */
1551	top = last;	1297	top = last;
1552		1298
1553	/* We let update_position deal with figuring out what the space	1299	/* We let update_position deal with figuring out what the space
1554	* looks like instead of lots of conditions here.	1300	* looks like instead of lots of conditions here.
…		…
1560	* If INS_ON_TOP is used, don't do this processing	1306	* If INS_ON_TOP is used, don't do this processing
1561	* Need to find the object that in fact blocks view, otherwise	1307	* Need to find the object that in fact blocks view, otherwise
1562	* stacking is a bit odd.	1308	* stacking is a bit odd.
1563	*/	1309	*/
1564	if (!(flag & INS_ON_TOP) &&	1310	if (!(flag & INS_ON_TOP) &&
1565	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1311	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))
1566	{	1312	{
1567	for (last = top; last != floor; last = last->below)	1313	for (last = top; last != floor; last = last->below)
1568	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1314	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1569	break;	1315	break;
1570	/* Check to see if we found the object that blocks view,	1316	/* Check to see if we found the object that blocks view,
…		…
1592	op->above = GET_MAP_OB (op->map, op->x, op->y);	1338	op->above = GET_MAP_OB (op->map, op->x, op->y);
1593		1339
1594	if (op->above)	1340	if (op->above)
1595	op->above->below = op;	1341	op->above->below = op;
1596		1342
1597	op->below = NULL;	1343	op->below = 0;
1598	SET_MAP_OB (op->map, op->x, op->y, op);	1344	op->ms ().bot = op;
1599	}	1345	}
1600	else	1346	else
1601	{ /* get inserted into the stack above top */	1347	{ /* get inserted into the stack above top */
1602	op->above = top->above;	1348	op->above = top->above;
1603		1349
…		…
1606		1352
1607	op->below = top;	1353	op->below = top;
1608	top->above = op;	1354	top->above = op;
1609	}	1355	}
1610		1356
1611	if (op->above == NULL)	1357	if (!op->above)
1612	SET_MAP_TOP (op->map, op->x, op->y, op);	1358	op->ms ().top = op;
1613	} /* else not INS_BELOW_ORIGINATOR */	1359	} /* else not INS_BELOW_ORIGINATOR */
1614		1360
1615	if (op->type == PLAYER)	1361	if (op->type == PLAYER)
		1362	{
1616	op->contr->do_los = 1;	1363	op->contr->do_los = 1;
		1364	++op->map->players;
		1365	op->map->last_access = runtime;
		1366	}
1617		1367
1618	/* If we have a floor, we know the player, if any, will be above	1368	/* If we have a floor, we know the player, if any, will be above
1619	* it, so save a few ticks and start from there.	1369	* it, so save a few ticks and start from there.
1620	*/	1370	*/
1621	if (!(flag & INS_MAP_LOAD))	1371	if (!(flag & INS_MAP_LOAD))
1622	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1372	if (object *pl = op->ms ().player ())
1623	if (tmp->type == PLAYER)	1373	if (pl->contr->ns)
1624	tmp->contr->socket.update_look = 1;	1374	pl->contr->ns->floorbox_update ();
1625		1375
1626	/* If this object glows, it may affect lighting conditions that are	1376	/* If this object glows, it may affect lighting conditions that are
1627	* visible to others on this map. But update_all_los is really	1377	* visible to others on this map. But update_all_los is really
1628	* an inefficient way to do this, as it means los for all players	1378	* an inefficient way to do this, as it means los for all players
1629	* on the map will get recalculated. The players could very well	1379	* on the map will get recalculated. The players could very well
1630	* be far away from this change and not affected in any way -	1380	* be far away from this change and not affected in any way -
1631	* this should get redone to only look for players within range,	1381	* this should get redone to only look for players within range,
1632	* or just updating the P_NEED_UPDATE for spaces within this area	1382	* or just updating the P_NEED_UPDATE for spaces within this area
1633	* of effect may be sufficient.	1383	* of effect may be sufficient.
1634	*/	1384	*/
1635	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1385	if (op->map->darkness && (op->glow_radius != 0))
1636	update_all_los (op->map, op->x, op->y);	1386	update_all_los (op->map, op->x, op->y);
1637
1638		1387
1639	/* updates flags (blocked, alive, no magic, etc) for this map space */	1388	/* updates flags (blocked, alive, no magic, etc) for this map space */
1640	update_object (op, UP_OBJ_INSERT);	1389	update_object (op, UP_OBJ_INSERT);
1641		1390
		1391	INVOKE_OBJECT (INSERT, op);
1642		1392
1643	/* Don't know if moving this to the end will break anything. However,	1393	/* Don't know if moving this to the end will break anything. However,
1644	* we want to have update_look set above before calling this.	1394	* we want to have floorbox_update called before calling this.
1645	*	1395	*
1646	* check_move_on() must be after this because code called from	1396	* check_move_on() must be after this because code called from
1647	* check_move_on() depends on correct map flags (so functions like	1397	* check_move_on() depends on correct map flags (so functions like
1648	* blocked() and wall() work properly), and these flags are updated by	1398	* blocked() and wall() work properly), and these flags are updated by
1649	* update_object().	1399	* update_object().
…		…
1651		1401
1652	/* if this is not the head or flag has been passed, don't check walk on status */	1402	/* if this is not the head or flag has been passed, don't check walk on status */
1653	if (!(flag & INS_NO_WALK_ON) && !op->head)	1403	if (!(flag & INS_NO_WALK_ON) && !op->head)
1654	{	1404	{
1655	if (check_move_on (op, originator))	1405	if (check_move_on (op, originator))
1656	return NULL;	1406	return 0;
1657		1407
1658	/* If we are a multi part object, lets work our way through the check	1408	/* If we are a multi part object, lets work our way through the check
1659	* walk on's.	1409	* walk on's.
1660	*/	1410	*/
1661	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1411	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1662	if (check_move_on (tmp, originator))	1412	if (check_move_on (tmp, originator))
1663	return NULL;	1413	return 0;
1664	}	1414	}
1665		1415
1666	return op;	1416	return op;
1667	}	1417	}
1668		1418
1669	/* this function inserts an object in the map, but if it	1419	/* this function inserts an object in the map, but if it
1670	* finds an object of its own type, it'll remove that one first.	1420	* finds an object of its own type, it'll remove that one first.
1671	* op is the object to insert it under: supplies x and the map.	1421	* op is the object to insert it under: supplies x and the map.
1672	*/	1422	*/
1673	void	1423	void
1674	replace_insert_ob_in_map (const char *arch_string, object *op)	1424	replace_insert_ob_in_map (const char *arch_string, object *op)
1675	{	1425	{
1676	object *tmp;
1677	object *tmp1;	1426	object *tmp, *tmp1;
1678		1427
1679	/* first search for itself and remove any old instances */	1428	/* first search for itself and remove any old instances */
1680		1429
1681	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1430	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1682	{
1683	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1431	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1684	{	1432	tmp->destroy ();
1685	remove_ob (tmp);
1686	free_object (tmp);
1687	}
1688	}
1689		1433
1690	tmp1 = arch_to_object (find_archetype (arch_string));	1434	tmp1 = arch_to_object (archetype::find (arch_string));
1691		1435
1692	tmp1->x = op->x;	1436	tmp1->x = op->x;
1693	tmp1->y = op->y;	1437	tmp1->y = op->y;
1694	insert_ob_in_map (tmp1, op->map, op, 0);	1438	insert_ob_in_map (tmp1, op->map, op, 0);
		1439	}
		1440
		1441	object *
		1442	object::insert_at (object *where, object *originator, int flags)
		1443	{
		1444	where->map->insert (this, where->x, where->y, originator, flags);
1695	}	1445	}
1696		1446
1697	/*	1447	/*
1698	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1448	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1699	* is returned contains nr objects, and the remaining parts contains	1449	* is returned contains nr objects, and the remaining parts contains
1700	* the rest (or is removed and freed if that number is 0).	1450	* the rest (or is removed and freed if that number is 0).
1701	* On failure, NULL is returned, and the reason put into the	1451	* On failure, NULL is returned, and the reason put into the
1702	* global static errmsg array.	1452	* global static errmsg array.
1703	*/	1453	*/
1704
1705	object *	1454	object *
1706	get_split_ob (object *orig_ob, uint32 nr)	1455	get_split_ob (object *orig_ob, uint32 nr)
1707	{	1456	{
1708	object *	1457	object *newob;
1709	newob;
1710	int
1711	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1458	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1712		1459
1713	if (orig_ob->nrof < nr)	1460	if (orig_ob->nrof < nr)
1714	{	1461	{
1715	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1462	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1716	return NULL;	1463	return NULL;
1717	}	1464	}
		1465
1718	newob = object_create_clone (orig_ob);	1466	newob = object_create_clone (orig_ob);
		1467
1719	if ((orig_ob->nrof -= nr) < 1)	1468	if ((orig_ob->nrof -= nr) < 1)
1720	{	1469	orig_ob->destroy (1);
1721	if (!is_removed)
1722	remove_ob (orig_ob);
1723	free_object2 (orig_ob, 1);
1724	}
1725	else if (!is_removed)	1470	else if (!is_removed)
1726	{	1471	{
1727	if (orig_ob->env != NULL)	1472	if (orig_ob->env != NULL)
1728	sub_weight (orig_ob->env, orig_ob->weight * nr);	1473	sub_weight (orig_ob->env, orig_ob->weight * nr);
1729	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1474	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1731	strcpy (errmsg, "Tried to split object whose map is not in memory.");	1476	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1732	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");	1477	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1733	return NULL;	1478	return NULL;
1734	}	1479	}
1735	}	1480	}
		1481
1736	newob->nrof = nr;	1482	newob->nrof = nr;
1737		1483
1738	return newob;	1484	return newob;
1739	}	1485	}
1740		1486
…		…
1747	*/	1493	*/
1748		1494
1749	object *	1495	object *
1750	decrease_ob_nr (object *op, uint32 i)	1496	decrease_ob_nr (object *op, uint32 i)
1751	{	1497	{
1752	object *	1498	object *tmp;
1753	tmp;
1754	player *
1755	pl;
1756		1499
1757	if (i == 0) /* objects with op->nrof require this check */	1500	if (i == 0) /* objects with op->nrof require this check */
1758	return op;	1501	return op;
1759		1502
1760	if (i > op->nrof)	1503	if (i > op->nrof)
1761	i = op->nrof;	1504	i = op->nrof;
1762		1505
1763	if (QUERY_FLAG (op, FLAG_REMOVED))	1506	if (QUERY_FLAG (op, FLAG_REMOVED))
1764	{
1765	op->nrof -= i;	1507	op->nrof -= i;
1766	}
1767	else if (op->env != NULL)	1508	else if (op->env)
1768	{	1509	{
1769	/* is this object in the players inventory, or sub container	1510	/* is this object in the players inventory, or sub container
1770	* therein?	1511	* therein?
1771	*/	1512	*/
1772	tmp = is_player_inv (op->env);	1513	tmp = op->in_player ();
1773	/* nope. Is this a container the player has opened?	1514	/* nope. Is this a container the player has opened?
1774	* If so, set tmp to that player.	1515	* If so, set tmp to that player.
1775	* IMO, searching through all the players will mostly	1516	* IMO, searching through all the players will mostly
1776	* likely be quicker than following op->env to the map,	1517	* likely be quicker than following op->env to the map,
1777	* and then searching the map for a player.	1518	* and then searching the map for a player.
1778	*/	1519	*/
1779	if (!tmp)	1520	if (!tmp)
1780	{	1521	for_all_players (pl)
1781	for (pl = first_player; pl; pl = pl->next)
1782	if (pl->ob->container == op->env)	1522	if (pl->ob->container == op->env)
		1523	{
		1524	tmp = pl->ob;
1783	break;	1525	break;
1784	if (pl)
1785	tmp = pl->ob;
1786	else
1787	tmp = NULL;
1788	}	1526	}
1789		1527
1790	if (i < op->nrof)	1528	if (i < op->nrof)
1791	{	1529	{
1792	sub_weight (op->env, op->weight * i);	1530	sub_weight (op->env, op->weight * i);
1793	op->nrof -= i;	1531	op->nrof -= i;
1794	if (tmp)	1532	if (tmp)
1795	{
1796	esrv_send_item (tmp, op);	1533	esrv_send_item (tmp, op);
1797	}
1798	}	1534	}
1799	else	1535	else
1800	{	1536	{
1801	remove_ob (op);	1537	op->remove ();
1802	op->nrof = 0;	1538	op->nrof = 0;
1803	if (tmp)	1539	if (tmp)
1804	{
1805	esrv_del_item (tmp->contr, op->count);	1540	esrv_del_item (tmp->contr, op->count);
1806	}
1807	}	1541	}
1808	}	1542	}
1809	else	1543	else
1810	{	1544	{
1811	object *
1812	above = op->above;	1545	object *above = op->above;
1813		1546
1814	if (i < op->nrof)	1547	if (i < op->nrof)
1815	{
1816	op->nrof -= i;	1548	op->nrof -= i;
1817	}
1818	else	1549	else
1819	{	1550	{
1820	remove_ob (op);	1551	op->remove ();
1821	op->nrof = 0;	1552	op->nrof = 0;
1822	}	1553	}
		1554
1823	/* Since we just removed op, op->above is null */	1555	/* Since we just removed op, op->above is null */
1824	for (tmp = above; tmp != NULL; tmp = tmp->above)	1556	for (tmp = above; tmp; tmp = tmp->above)
1825	if (tmp->type == PLAYER)	1557	if (tmp->type == PLAYER)
1826	{	1558	{
1827	if (op->nrof)	1559	if (op->nrof)
1828	esrv_send_item (tmp, op);	1560	esrv_send_item (tmp, op);
1829	else	1561	else
1830	esrv_del_item (tmp->contr, op->count);	1562	esrv_del_item (tmp->contr, op->count);
1831	}	1563	}
1832	}	1564	}
1833		1565
1834	if (op->nrof)	1566	if (op->nrof)
1835	{
1836	return op;	1567	return op;
1837	}
1838	else	1568	else
1839	{	1569	{
1840	free_object (op);	1570	op->destroy ();
1841	return NULL;	1571	return 0;
1842	}	1572	}
1843	}	1573	}
1844		1574
1845	/*	1575	/*
1846	* add_weight(object, weight) adds the specified weight to an object,	1576	* add_weight(object, weight) adds the specified weight to an object,
…		…
1851	add_weight (object *op, signed long weight)	1581	add_weight (object *op, signed long weight)
1852	{	1582	{
1853	while (op != NULL)	1583	while (op != NULL)
1854	{	1584	{
1855	if (op->type == CONTAINER)	1585	if (op->type == CONTAINER)
1856	{
1857	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	1586	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1858	}	1587
1859	op->carrying += weight;	1588	op->carrying += weight;
1860	op = op->env;	1589	op = op->env;
1861	}	1590	}
1862	}	1591	}
1863		1592
		1593	object *
		1594	insert_ob_in_ob (object *op, object *where)
		1595	{
		1596	if (!where)
		1597	{
		1598	char *dump = dump_object (op);
		1599	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1600	free (dump);
		1601	return op;
		1602	}
		1603
		1604	if (where->head)
		1605	{
		1606	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1607	where = where->head;
		1608	}
		1609
		1610	return where->insert (op);
		1611	}
		1612
1864	/*	1613	/*
1865	* insert_ob_in_ob(op,environment):	1614	* env->insert (op)
1866	* This function inserts the object op in the linked list	1615	* This function inserts the object op in the linked list
1867	* inside the object environment.	1616	* inside the object environment.
1868	*	1617	*
1869	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1870	* the inventory at the last position or next to other objects of the same
1871	* type.
1872	* Frank: Now sorted by type, archetype and magic!
1873	*
1874	* The function returns now pointer to inserted item, and return value can	1618	* The function returns now pointer to inserted item, and return value can
1875	* be != op, if items are merged. -Tero	1619	* be != op, if items are merged. -Tero
1876	*/	1620	*/
1877		1621
1878	object *	1622	object *
1879	insert_ob_in_ob (object *op, object *where)	1623	object::insert (object *op)
1880	{	1624	{
1881	object *	1625	object *tmp, *otmp;
1882	tmp, *
1883	otmp;
1884		1626
1885	if (!QUERY_FLAG (op, FLAG_REMOVED))	1627	if (!QUERY_FLAG (op, FLAG_REMOVED))
1886	{	1628	op->remove ();
1887	dump_object (op);	1629
1888	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1889	return op;
1890	}
1891	if (where == NULL)
1892	{
1893	dump_object (op);
1894	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1895	return op;
1896	}
1897	if (where->head)
1898	{
1899	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1900	where = where->head;
1901	}
1902	if (op->more)	1630	if (op->more)
1903	{	1631	{
1904	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1632	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1905	return op;	1633	return op;
1906	}	1634	}
		1635
1907	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1636	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1908	CLEAR_FLAG (op, FLAG_REMOVED);	1637	CLEAR_FLAG (op, FLAG_REMOVED);
1909	if (op->nrof)	1638	if (op->nrof)
1910	{	1639	{
1911	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1640	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1912	if (CAN_MERGE (tmp, op))	1641	if (object::can_merge (tmp, op))
1913	{	1642	{
1914	/* return the original object and remove inserted object	1643	/* return the original object and remove inserted object
1915	(client needs the original object) */	1644	(client needs the original object) */
1916	tmp->nrof += op->nrof;	1645	tmp->nrof += op->nrof;
1917	/* Weight handling gets pretty funky. Since we are adding to	1646	/* Weight handling gets pretty funky. Since we are adding to
1918	* tmp->nrof, we need to increase the weight.	1647	* tmp->nrof, we need to increase the weight.
1919	*/	1648	*/
1920	add_weight (where, op->weight * op->nrof);	1649	add_weight (this, op->weight * op->nrof);
1921	SET_FLAG (op, FLAG_REMOVED);	1650	SET_FLAG (op, FLAG_REMOVED);
1922	free_object (op); /* free the inserted object */	1651	op->destroy (); /* free the inserted object */
1923	op = tmp;	1652	op = tmp;
1924	remove_ob (op); /* and fix old object's links */	1653	op->remove (); /* and fix old object's links */
1925	CLEAR_FLAG (op, FLAG_REMOVED);	1654	CLEAR_FLAG (op, FLAG_REMOVED);
1926	break;	1655	break;
1927	}	1656	}
1928		1657
1929	/* I assume combined objects have no inventory	1658	/* I assume combined objects have no inventory
1930	* We add the weight - this object could have just been removed	1659	* We add the weight - this object could have just been removed
1931	* (if it was possible to merge). calling remove_ob will subtract	1660	* (if it was possible to merge). calling remove_ob will subtract
1932	* the weight, so we need to add it in again, since we actually do	1661	* the weight, so we need to add it in again, since we actually do
1933	* the linking below	1662	* the linking below
1934	*/	1663	*/
1935	add_weight (where, op->weight * op->nrof);	1664	add_weight (this, op->weight * op->nrof);
1936	}	1665	}
1937	else	1666	else
1938	add_weight (where, (op->weight + op->carrying));	1667	add_weight (this, (op->weight + op->carrying));
1939		1668
1940	otmp = is_player_inv (where);	1669	otmp = this->in_player ();
1941	if (otmp && otmp->contr != NULL)	1670	if (otmp && otmp->contr)
1942	{
1943	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1671	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1944	fix_player (otmp);	1672	otmp->update_stats ();
1945	}
1946		1673
1947	op->map = NULL;	1674	op->map = 0;
1948	op->env = where;	1675	op->env = this;
1949	op->above = NULL;	1676	op->above = 0;
1950	op->below = NULL;	1677	op->below = 0;
1951	op->x = 0, op->y = 0;	1678	op->x = 0, op->y = 0;
1952		1679
1953	/* reset the light list and los of the players on the map */	1680	/* reset the light list and los of the players on the map */
1954	if ((op->glow_radius != 0) && where->map)	1681	if ((op->glow_radius != 0) && map)
1955	{	1682	{
1956	#ifdef DEBUG_LIGHTS	1683	#ifdef DEBUG_LIGHTS
1957	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1684	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1958	#endif /* DEBUG_LIGHTS */	1685	#endif /* DEBUG_LIGHTS */
1959	if (MAP_DARKNESS (where->map))	1686	if (map->darkness)
1960	update_all_los (where->map, where->x, where->y);	1687	update_all_los (map, x, y);
1961	}	1688	}
1962		1689
1963	/* Client has no idea of ordering so lets not bother ordering it here.	1690	/* Client has no idea of ordering so lets not bother ordering it here.
1964	* It sure simplifies this function...	1691	* It sure simplifies this function...
1965	*/	1692	*/
1966	if (where->inv == NULL)	1693	if (!inv)
1967	where->inv = op;	1694	inv = op;
1968	else	1695	else
1969	{	1696	{
1970	op->below = where->inv;	1697	op->below = inv;
1971	op->below->above = op;	1698	op->below->above = op;
1972	where->inv = op;	1699	inv = op;
1973	}	1700	}
		1701
		1702	INVOKE_OBJECT (INSERT, this);
		1703
1974	return op;	1704	return op;
1975	}	1705	}
1976		1706
1977	/*	1707	/*
1978	* Checks if any objects has a move_type that matches objects	1708	* Checks if any objects has a move_type that matches objects
…		…
1992	*	1722	*
1993	* MSW 2001-07-08: Check all objects on space, not just those below	1723	* MSW 2001-07-08: Check all objects on space, not just those below
1994	* object being inserted. insert_ob_in_map may not put new objects	1724	* object being inserted. insert_ob_in_map may not put new objects
1995	* on top.	1725	* on top.
1996	*/	1726	*/
1997
1998	int	1727	int
1999	check_move_on (object *op, object *originator)	1728	check_move_on (object *op, object *originator)
2000	{	1729	{
2001	object *	1730	object *tmp;
2002	tmp;	1731	maptile *m = op->map;
2003	tag_t
2004	tag;
2005	mapstruct *
2006	m = op->map;
2007	int
2008	x = op->x, y = op->y;	1732	int x = op->x, y = op->y;
2009	MoveType	1733
2010	move_on,	1734	MoveType move_on, move_slow, move_block;
2011	move_slow,
2012	move_block;
2013		1735
2014	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1736	if (QUERY_FLAG (op, FLAG_NO_APPLY))
2015	return 0;	1737	return 0;
2016
2017	tag = op->count;
2018		1738
2019	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1739	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
2020	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1740	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
2021	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1741	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
2022		1742
…		…
2038		1758
2039	/* The objects have to be checked from top to bottom.	1759	/* The objects have to be checked from top to bottom.
2040	* Hence, we first go to the top:	1760	* Hence, we first go to the top:
2041	*/	1761	*/
2042		1762
2043	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1763	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)
2044	{	1764	{
2045	/* Trim the search when we find the first other spell effect	1765	/* Trim the search when we find the first other spell effect
2046	* this helps performance so that if a space has 50 spell objects,	1766	* this helps performance so that if a space has 50 spell objects,
2047	* we don't need to check all of them.	1767	* we don't need to check all of them.
2048	*/	1768	*/
2049	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))	1769	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
2050	break;	1770	break;
2051	}	1771	}
		1772
2052	for (; tmp != NULL; tmp = tmp->below)	1773	for (; tmp; tmp = tmp->below)
2053	{	1774	{
2054	if (tmp == op)	1775	if (tmp == op)
2055	continue; /* Can't apply yourself */	1776	continue; /* Can't apply yourself */
2056		1777
2057	/* Check to see if one of the movement types should be slowed down.	1778	/* Check to see if one of the movement types should be slowed down.
…		…
2065	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1786	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2066	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1787	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
2067	{	1788	{
2068		1789
2069	float	1790	float
2070	diff;
2071
2072	diff = tmp->move_slow_penalty * FABS (op->speed);	1791	diff = tmp->move_slow_penalty * FABS (op->speed);
		1792
2073	if (op->type == PLAYER)	1793	if (op->type == PLAYER)
2074	{
2075	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1794	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
2076	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1795	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2077	{
2078	diff /= 4.0;	1796	diff /= 4.0;
2079	}	1797
2080	}
2081	op->speed_left -= diff;	1798	op->speed_left -= diff;
2082	}	1799	}
2083	}	1800	}
2084		1801
2085	/* Basically same logic as above, except now for actual apply. */	1802	/* Basically same logic as above, except now for actual apply. */
2086	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1803	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2087	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1804	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
2088	{	1805	{
2089
2090	move_apply (tmp, op, originator);	1806	move_apply (tmp, op, originator);
		1807
2091	if (was_destroyed (op, tag))	1808	if (op->destroyed ())
2092	return 1;	1809	return 1;
2093		1810
2094	/* what the person/creature stepped onto has moved the object	1811	/* what the person/creature stepped onto has moved the object
2095	* someplace new. Don't process any further - if we did,	1812	* someplace new. Don't process any further - if we did,
2096	* have a feeling strange problems would result.	1813	* have a feeling strange problems would result.
2097	*/	1814	*/
2098	if (op->map != m || op->x != x || op->y != y)	1815	if (op->map != m || op->x != x || op->y != y)
2099	return 0;	1816	return 0;
2100	}	1817	}
2101	}	1818	}
		1819
2102	return 0;	1820	return 0;
2103	}	1821	}
2104		1822
2105	/*	1823	/*
2106	* present_arch(arch, map, x, y) searches for any objects with	1824	* present_arch(arch, map, x, y) searches for any objects with
2107	* a matching archetype at the given map and coordinates.	1825	* a matching archetype at the given map and coordinates.
2108	* The first matching object is returned, or NULL if none.	1826	* The first matching object is returned, or NULL if none.
2109	*/	1827	*/
2110
2111	object *	1828	object *
2112	present_arch (const archetype *at, mapstruct *m, int x, int y)	1829	present_arch (const archetype *at, maptile *m, int x, int y)
2113	{	1830	{
2114	object *
2115	tmp;
2116
2117	if (m == NULL || out_of_map (m, x, y))	1831	if (m == NULL || out_of_map (m, x, y))
2118	{	1832	{
2119	LOG (llevError, "Present_arch called outside map.\n");	1833	LOG (llevError, "Present_arch called outside map.\n");
2120	return NULL;	1834	return NULL;
2121	}	1835	}
		1836
2122	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1837	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
2123	if (tmp->arch == at)	1838	if (tmp->arch == at)
2124	return tmp;	1839	return tmp;
		1840
2125	return NULL;	1841	return NULL;
2126	}	1842	}
2127		1843
2128	/*	1844	/*
2129	* present(type, map, x, y) searches for any objects with	1845	* present(type, map, x, y) searches for any objects with
2130	* a matching type variable at the given map and coordinates.	1846	* a matching type variable at the given map and coordinates.
2131	* The first matching object is returned, or NULL if none.	1847	* The first matching object is returned, or NULL if none.
2132	*/	1848	*/
2133
2134	object *	1849	object *
2135	present (unsigned char type, mapstruct *m, int x, int y)	1850	present (unsigned char type, maptile *m, int x, int y)
2136	{	1851	{
2137	object *
2138	tmp;
2139
2140	if (out_of_map (m, x, y))	1852	if (out_of_map (m, x, y))
2141	{	1853	{
2142	LOG (llevError, "Present called outside map.\n");	1854	LOG (llevError, "Present called outside map.\n");
2143	return NULL;	1855	return NULL;
2144	}	1856	}
		1857
2145	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1858	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
2146	if (tmp->type == type)	1859	if (tmp->type == type)
2147	return tmp;	1860	return tmp;
		1861
2148	return NULL;	1862	return NULL;
2149	}	1863	}
2150		1864
2151	/*	1865	/*
2152	* present_in_ob(type, object) searches for any objects with	1866	* present_in_ob(type, object) searches for any objects with
2153	* a matching type variable in the inventory of the given object.	1867	* a matching type variable in the inventory of the given object.
2154	* The first matching object is returned, or NULL if none.	1868	* The first matching object is returned, or NULL if none.
2155	*/	1869	*/
2156
2157	object *	1870	object *
2158	present_in_ob (unsigned char type, const object *op)	1871	present_in_ob (unsigned char type, const object *op)
2159	{	1872	{
2160	object *
2161	tmp;
2162
2163	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1873	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2164	if (tmp->type == type)	1874	if (tmp->type == type)
2165	return tmp;	1875	return tmp;
		1876
2166	return NULL;	1877	return NULL;
2167	}	1878	}
2168		1879
2169	/*	1880	/*
2170	* present_in_ob (type, str, object) searches for any objects with	1881	* present_in_ob (type, str, object) searches for any objects with
…		…
2178	* str is the string to match against. Note that we match against	1889	* str is the string to match against. Note that we match against
2179	* the object name, not the archetype name. this is so that the	1890	* the object name, not the archetype name. this is so that the
2180	* spell code can use one object type (force), but change it's name	1891	* spell code can use one object type (force), but change it's name
2181	* to be unique.	1892	* to be unique.
2182	*/	1893	*/
2183
2184	object *	1894	object *
2185	present_in_ob_by_name (int type, const char *str, const object *op)	1895	present_in_ob_by_name (int type, const char *str, const object *op)
2186	{	1896	{
2187	object *
2188	tmp;
2189
2190	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1897	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2191	{
2192	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1898	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2193	return tmp;	1899	return tmp;
2194	}	1900
2195	return NULL;	1901	return 0;
2196	}	1902	}
2197		1903
2198	/*	1904	/*
2199	* present_arch_in_ob(archetype, object) searches for any objects with	1905	* present_arch_in_ob(archetype, object) searches for any objects with
2200	* a matching archetype in the inventory of the given object.	1906	* a matching archetype in the inventory of the given object.
2201	* The first matching object is returned, or NULL if none.	1907	* The first matching object is returned, or NULL if none.
2202	*/	1908	*/
2203
2204	object *	1909	object *
2205	present_arch_in_ob (const archetype *at, const object *op)	1910	present_arch_in_ob (const archetype *at, const object *op)
2206	{	1911	{
2207	object *
2208	tmp;
2209
2210	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1912	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2211	if (tmp->arch == at)	1913	if (tmp->arch == at)
2212	return tmp;	1914	return tmp;
		1915
2213	return NULL;	1916	return NULL;
2214	}	1917	}
2215		1918
2216	/*	1919	/*
2217	* activate recursively a flag on an object inventory	1920	* activate recursively a flag on an object inventory
2218	*/	1921	*/
2219	void	1922	void
2220	flag_inv (object *op, int flag)	1923	flag_inv (object *op, int flag)
2221	{	1924	{
2222	object *
2223	tmp;
2224
2225	if (op->inv)	1925	if (op->inv)
2226	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1926	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2227	{	1927	{
2228	SET_FLAG (tmp, flag);	1928	SET_FLAG (tmp, flag);
2229	flag_inv (tmp, flag);	1929	flag_inv (tmp, flag);
2230	}	1930	}
2231	} /*	1931	}
		1932
		1933	/*
2232	* desactivate recursively a flag on an object inventory	1934	* deactivate recursively a flag on an object inventory
2233	*/	1935	*/
2234	void	1936	void
2235	unflag_inv (object *op, int flag)	1937	unflag_inv (object *op, int flag)
2236	{	1938	{
2237	object *
2238	tmp;
2239
2240	if (op->inv)	1939	if (op->inv)
2241	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1940	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2242	{	1941	{
2243	CLEAR_FLAG (tmp, flag);	1942	CLEAR_FLAG (tmp, flag);
2244	unflag_inv (tmp, flag);	1943	unflag_inv (tmp, flag);
2245	}	1944	}
2246	}	1945	}
…		…
2249	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in	1948	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2250	* all it's inventory (recursively).	1949	* all it's inventory (recursively).
2251	* If checksums are used, a player will get set_cheat called for	1950	* If checksums are used, a player will get set_cheat called for
2252	* him/her-self and all object carried by a call to this function.	1951	* him/her-self and all object carried by a call to this function.
2253	*/	1952	*/
2254
2255	void	1953	void
2256	set_cheat (object *op)	1954	set_cheat (object *op)
2257	{	1955	{
2258	SET_FLAG (op, FLAG_WAS_WIZ);	1956	SET_FLAG (op, FLAG_WAS_WIZ);
2259	flag_inv (op, FLAG_WAS_WIZ);	1957	flag_inv (op, FLAG_WAS_WIZ);
…		…
2278	* because arch_blocked (now ob_blocked) needs to know the movement type	1976	* because arch_blocked (now ob_blocked) needs to know the movement type
2279	* to know if the space in question will block the object. We can't use	1977	* to know if the space in question will block the object. We can't use
2280	* the archetype because that isn't correct if the monster has been	1978	* the archetype because that isn't correct if the monster has been
2281	* customized, changed states, etc.	1979	* customized, changed states, etc.
2282	*/	1980	*/
2283
2284	int	1981	int
2285	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	1982	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2286	{	1983	{
2287	int
2288	i,
2289	index = 0, flag;	1984	int index = 0, flag;
2290	static int
2291	altern[SIZEOFFREE];	1985	int altern[SIZEOFFREE];
2292		1986
2293	for (i = start; i < stop; i++)	1987	for (int i = start; i < stop; i++)
2294	{	1988	{
2295	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1989	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2296	if (!flag)	1990	if (!flag)
2297	altern[index++] = i;	1991	altern [index++] = i;
2298		1992
2299	/* Basically, if we find a wall on a space, we cut down the search size.	1993	/* Basically, if we find a wall on a space, we cut down the search size.
2300	* In this way, we won't return spaces that are on another side of a wall.	1994	* In this way, we won't return spaces that are on another side of a wall.
2301	* This mostly work, but it cuts down the search size in all directions -	1995	* This mostly work, but it cuts down the search size in all directions -
2302	* if the space being examined only has a wall to the north and empty	1996	* if the space being examined only has a wall to the north and empty
2303	* spaces in all the other directions, this will reduce the search space	1997	* spaces in all the other directions, this will reduce the search space
2304	* to only the spaces immediately surrounding the target area, and	1998	* to only the spaces immediately surrounding the target area, and
2305	* won't look 2 spaces south of the target space.	1999	* won't look 2 spaces south of the target space.
2306	*/	2000	*/
2307	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2001	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2308	stop = maxfree[i];	2002	stop = maxfree[i];
2309	}	2003	}
		2004
2310	if (!index)	2005	if (!index)
2311	return -1;	2006	return -1;
		2007
2312	return altern[RANDOM () % index];	2008	return altern[RANDOM () % index];
2313	}	2009	}
2314		2010
2315	/*	2011	/*
2316	* find_first_free_spot(archetype, mapstruct, x, y) works like	2012	* find_first_free_spot(archetype, maptile, x, y) works like
2317	* find_free_spot(), but it will search max number of squares.	2013	* find_free_spot(), but it will search max number of squares.
2318	* But it will return the first available spot, not a random choice.	2014	* But it will return the first available spot, not a random choice.
2319	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2015	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2320	*/	2016	*/
2321
2322	int	2017	int
2323	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2018	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2324	{	2019	{
2325	int
2326	i;
2327
2328	for (i = 0; i < SIZEOFFREE; i++)	2020	for (int i = 0; i < SIZEOFFREE; i++)
2329	{
2330	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2021	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2331	return i;	2022	return i;
2332	}	2023
2333	return -1;	2024	return -1;
2334	}	2025	}
2335		2026
2336	/*	2027	/*
2337	* The function permute(arr, begin, end) randomly reorders the array	2028	* The function permute(arr, begin, end) randomly reorders the array
2338	* arr[begin..end-1].	2029	* arr[begin..end-1].
		2030	* now uses a fisher-yates shuffle, old permute was broken
2339	*/	2031	*/
2340	static void	2032	static void
2341	permute (int *arr, int begin, int end)	2033	permute (int *arr, int begin, int end)
2342	{	2034	{
2343	int	2035	arr += begin;
2344	i,
2345	j,
2346	tmp,
2347	len;
2348
2349	len = end - begin;	2036	end -= begin;
2350	for (i = begin; i < end; i++)
2351	{
2352	j = begin + RANDOM () % len;
2353		2037
2354	tmp = arr[i];	2038	while (--end)
2355	arr[i] = arr[j];	2039	swap (arr [end], arr [RANDOM () % (end + 1)]);
2356	arr[j] = tmp;
2357	}
2358	}	2040	}
2359		2041
2360	/* new function to make monster searching more efficient, and effective!	2042	/* new function to make monster searching more efficient, and effective!
2361	* This basically returns a randomized array (in the passed pointer) of	2043	* This basically returns a randomized array (in the passed pointer) of
2362	* the spaces to find monsters. In this way, it won't always look for	2044	* the spaces to find monsters. In this way, it won't always look for
…		…
2365	* the 3x3 area will be searched, just not in a predictable order.	2047	* the 3x3 area will be searched, just not in a predictable order.
2366	*/	2048	*/
2367	void	2049	void
2368	get_search_arr (int *search_arr)	2050	get_search_arr (int *search_arr)
2369	{	2051	{
2370	int	2052	int i;
2371	i;
2372		2053
2373	for (i = 0; i < SIZEOFFREE; i++)	2054	for (i = 0; i < SIZEOFFREE; i++)
2374	{
2375	search_arr[i] = i;	2055	search_arr[i] = i;
2376	}
2377		2056
2378	permute (search_arr, 1, SIZEOFFREE1 + 1);	2057	permute (search_arr, 1, SIZEOFFREE1 + 1);
2379	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2058	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2380	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2059	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2381	}	2060	}
…		…
2390	* Perhaps incorrectly, but I'm making the assumption that exclude	2069	* Perhaps incorrectly, but I'm making the assumption that exclude
2391	* is actually want is going to try and move there. We need this info	2070	* is actually want is going to try and move there. We need this info
2392	* because we have to know what movement the thing looking to move	2071	* because we have to know what movement the thing looking to move
2393	* there is capable of.	2072	* there is capable of.
2394	*/	2073	*/
2395
2396	int	2074	int
2397	find_dir (mapstruct *m, int x, int y, object *exclude)	2075	find_dir (maptile *m, int x, int y, object *exclude)
2398	{	2076	{
2399	int
2400	i,
2401	max = SIZEOFFREE, mflags;	2077	int i, max = SIZEOFFREE, mflags;
2402	sint16	2078
2403	nx,	2079	sint16 nx, ny;
2404	ny;
2405	object *	2080	object *tmp;
2406	tmp;	2081	maptile *mp;
2407	mapstruct *	2082
2408	mp;	2083	MoveType blocked, move_type;
2409	MoveType
2410	blocked,
2411	move_type;
2412		2084
2413	if (exclude && exclude->head)	2085	if (exclude && exclude->head)
2414	{	2086	{
2415	exclude = exclude->head;	2087	exclude = exclude->head;
2416	move_type = exclude->move_type;	2088	move_type = exclude->move_type;
…		…
2426	mp = m;	2098	mp = m;
2427	nx = x + freearr_x[i];	2099	nx = x + freearr_x[i];
2428	ny = y + freearr_y[i];	2100	ny = y + freearr_y[i];
2429		2101
2430	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2102	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2103
2431	if (mflags & P_OUT_OF_MAP)	2104	if (mflags & P_OUT_OF_MAP)
2432	{
2433	max = maxfree[i];	2105	max = maxfree[i];
2434	}
2435	else	2106	else
2436	{	2107	{
2437	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2108	mapspace &ms = mp->at (nx, ny);
		2109
		2110	blocked = ms.move_block;
2438		2111
2439	if ((move_type & blocked) == move_type)	2112	if ((move_type & blocked) == move_type)
2440	{
2441	max = maxfree[i];	2113	max = maxfree[i];
2442	}
2443	else if (mflags & P_IS_ALIVE)	2114	else if (mflags & P_IS_ALIVE)
2444	{	2115	{
2445	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2116	for (tmp = ms.bot; tmp; tmp = tmp->above)
2446	{	2117	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2447	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2118	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))
2448	{
2449	break;	2119	break;
2450	}	2120
2451	}
2452	if (tmp)	2121	if (tmp)
2453	{
2454	return freedir[i];	2122	return freedir[i];
2455	}
2456	}	2123	}
2457	}	2124	}
2458	}	2125	}
		2126
2459	return 0;	2127	return 0;
2460	}	2128	}
2461		2129
2462	/*	2130	/*
2463	* distance(object 1, object 2) will return the square of the	2131	* distance(object 1, object 2) will return the square of the
2464	* distance between the two given objects.	2132	* distance between the two given objects.
2465	*/	2133	*/
2466
2467	int	2134	int
2468	distance (const object *ob1, const object *ob2)	2135	distance (const object *ob1, const object *ob2)
2469	{	2136	{
2470	int
2471	i;
2472
2473	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2137	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2474	return i;
2475	}	2138	}
2476		2139
2477	/*	2140	/*
2478	* find_dir_2(delta-x,delta-y) will return a direction in which	2141	* find_dir_2(delta-x,delta-y) will return a direction in which
2479	* an object which has subtracted the x and y coordinates of another	2142	* an object which has subtracted the x and y coordinates of another
2480	* object, needs to travel toward it.	2143	* object, needs to travel toward it.
2481	*/	2144	*/
2482
2483	int	2145	int
2484	find_dir_2 (int x, int y)	2146	find_dir_2 (int x, int y)
2485	{	2147	{
2486	int	2148	int q;
2487	q;
2488		2149
2489	if (y)	2150	if (y)
2490	q = x * 100 / y;	2151	q = x * 100 / y;
2491	else if (x)	2152	else if (x)
2492	q = -300 * x;	2153	q = -300 * x;
…		…
2527	int	2188	int
2528	absdir (int d)	2189	absdir (int d)
2529	{	2190	{
2530	while (d < 1)	2191	while (d < 1)
2531	d += 8;	2192	d += 8;
		2193
2532	while (d > 8)	2194	while (d > 8)
2533	d -= 8;	2195	d -= 8;
		2196
2534	return d;	2197	return d;
2535	}	2198	}
2536		2199
2537	/*	2200	/*
2538	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2201	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
…		…
2540	*/	2203	*/
2541		2204
2542	int	2205	int
2543	dirdiff (int dir1, int dir2)	2206	dirdiff (int dir1, int dir2)
2544	{	2207	{
2545	int	2208	int d;
2546	d;
2547		2209
2548	d = abs (dir1 - dir2);	2210	d = abs (dir1 - dir2);
2549	if (d > 4)	2211	if (d > 4)
2550	d = 8 - d;	2212	d = 8 - d;
		2213
2551	return d;	2214	return d;
2552	}	2215	}
2553		2216
2554	/* peterm:	2217	/* peterm:
2555	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2218	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2558	* This basically means that if direction is 15, then it could either go	2221	* This basically means that if direction is 15, then it could either go
2559	* direction 4, 14, or 16 to get back to where we are.	2222	* direction 4, 14, or 16 to get back to where we are.
2560	* Moved from spell_util.c to object.c with the other related direction	2223	* Moved from spell_util.c to object.c with the other related direction
2561	* functions.	2224	* functions.
2562	*/	2225	*/
2563
2564	int
2565	reduction_dir[SIZEOFFREE][3] = {	2226	int reduction_dir[SIZEOFFREE][3] = {
2566	{0, 0, 0}, /* 0 */	2227	{0, 0, 0}, /* 0 */
2567	{0, 0, 0}, /* 1 */	2228	{0, 0, 0}, /* 1 */
2568	{0, 0, 0}, /* 2 */	2229	{0, 0, 0}, /* 2 */
2569	{0, 0, 0}, /* 3 */	2230	{0, 0, 0}, /* 3 */
2570	{0, 0, 0}, /* 4 */	2231	{0, 0, 0}, /* 4 */
…		…
2618	* find a path to that monster that we found. If not,	2279	* find a path to that monster that we found. If not,
2619	* we don't bother going toward it. Returns 1 if we	2280	* we don't bother going toward it. Returns 1 if we
2620	* can see a direct way to get it	2281	* can see a direct way to get it
2621	* Modified to be map tile aware -.MSW	2282	* Modified to be map tile aware -.MSW
2622	*/	2283	*/
2623
2624
2625	int	2284	int
2626	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2285	can_see_monsterP (maptile *m, int x, int y, int dir)
2627	{	2286	{
2628	sint16	2287	sint16 dx, dy;
2629	dx,
2630	dy;
2631	int
2632	mflags;	2288	int mflags;
2633		2289
2634	if (dir < 0)	2290	if (dir < 0)
2635	return 0; /* exit condition: invalid direction */	2291	return 0; /* exit condition: invalid direction */
2636		2292
2637	dx = x + freearr_x[dir];	2293	dx = x + freearr_x[dir];
…		…
2650	return 0;	2306	return 0;
2651		2307
2652	/* yes, can see. */	2308	/* yes, can see. */
2653	if (dir < 9)	2309	if (dir < 9)
2654	return 1;	2310	return 1;
		2311
2655	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2312	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2656	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2313	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2314	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2657	}	2315	}
2658
2659
2660		2316
2661	/*	2317	/*
2662	* can_pick(picker, item): finds out if an object is possible to be	2318	* can_pick(picker, item): finds out if an object is possible to be
2663	* picked up by the picker. Returnes 1 if it can be	2319	* picked up by the picker. Returnes 1 if it can be
2664	* picked up, otherwise 0.	2320	* picked up, otherwise 0.
…		…
2675	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2331	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2676	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2332	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2677	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2333	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2678	}	2334	}
2679		2335
2680
2681	/*	2336	/*
2682	* create clone from object to another	2337	* create clone from object to another
2683	*/	2338	*/
2684	object *	2339	object *
2685	object_create_clone (object *asrc)	2340	object_create_clone (object *asrc)
2686	{	2341	{
2687	object *
2688	dst = NULL, *tmp, *src, *part, *prev, *item;	2342	object *dst = 0, *tmp, *src, *part, *prev, *item;
2689		2343
2690	if (!asrc)	2344	if (!asrc)
2691	return NULL;	2345	return 0;
		2346
2692	src = asrc;	2347	src = asrc;
2693	if (src->head)	2348	if (src->head)
2694	src = src->head;	2349	src = src->head;
2695		2350
2696	prev = NULL;	2351	prev = 0;
2697	for (part = src; part; part = part->more)	2352	for (part = src; part; part = part->more)
2698	{	2353	{
2699	tmp = get_object ();	2354	tmp = part->clone ();
2700	copy_object (part, tmp);
2701	tmp->x -= src->x;	2355	tmp->x -= src->x;
2702	tmp->y -= src->y;	2356	tmp->y -= src->y;
		2357
2703	if (!part->head)	2358	if (!part->head)
2704	{	2359	{
2705	dst = tmp;	2360	dst = tmp;
2706	tmp->head = NULL;	2361	tmp->head = 0;
2707	}	2362	}
2708	else	2363	else
2709	{
2710	tmp->head = dst;	2364	tmp->head = dst;
2711	}	2365
2712	tmp->more = NULL;	2366	tmp->more = 0;
		2367
2713	if (prev)	2368	if (prev)
2714	prev->more = tmp;	2369	prev->more = tmp;
		2370
2715	prev = tmp;	2371	prev = tmp;
2716	}	2372	}
2717		2373
2718	/*** copy inventory ***/
2719	for (item = src->inv; item; item = item->below)	2374	for (item = src->inv; item; item = item->below)
2720	{
2721	(void) insert_ob_in_ob (object_create_clone (item), dst);	2375	insert_ob_in_ob (object_create_clone (item), dst);
2722	}
2723		2376
2724	return dst;	2377	return dst;
2725	}	2378	}
2726		2379
2727	/* return true if the object was destroyed, 0 otherwise */
2728	int
2729	was_destroyed (const object *op, tag_t old_tag)
2730	{
2731	/* checking for FLAG_FREED isn't necessary, but makes this function more
2732	* robust */
2733	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2734	}
2735
2736	/* GROS - Creates an object using a string representing its content. */	2380	/* GROS - Creates an object using a string representing its content. */
2737
2738	/* Basically, we save the content of the string to a temp file, then call */	2381	/* Basically, we save the content of the string to a temp file, then call */
2739
2740	/* load_object on it. I admit it is a highly inefficient way to make things, */	2382	/* load_object on it. I admit it is a highly inefficient way to make things, */
2741
2742	/* but it was simple to make and allows reusing the load_object function. */	2383	/* but it was simple to make and allows reusing the load_object function. */
2743
2744	/* Remember not to use load_object_str in a time-critical situation. */	2384	/* Remember not to use load_object_str in a time-critical situation. */
2745
2746	/* Also remember that multiparts objects are not supported for now. */	2385	/* Also remember that multiparts objects are not supported for now. */
2747
2748	object *	2386	object *
2749	load_object_str (const char *obstr)	2387	load_object_str (const char *obstr)
2750	{	2388	{
2751	object *	2389	object *op;
2752	op;
2753	char
2754	filename[MAX_BUF];	2390	char filename[MAX_BUF];
2755		2391
2756	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);	2392	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2757		2393
2758	FILE *
2759	tempfile = fopen (filename, "w");	2394	FILE *tempfile = fopen (filename, "w");
2760		2395
2761	if (tempfile == NULL)	2396	if (tempfile == NULL)
2762	{	2397	{
2763	LOG (llevError, "Error - Unable to access load object temp file\n");	2398	LOG (llevError, "Error - Unable to access load object temp file\n");
2764	return NULL;	2399	return NULL;
2765	};	2400	}
		2401
2766	fprintf (tempfile, obstr);	2402	fprintf (tempfile, obstr);
2767	fclose (tempfile);	2403	fclose (tempfile);
2768		2404
2769	op = get_object ();	2405	op = object::create ();
2770		2406
2771	object_thawer	2407	object_thawer thawer (filename);
2772	thawer (filename);
2773		2408
2774	if (thawer)	2409	if (thawer)
2775	load_object (thawer, op, 0);	2410	load_object (thawer, op, 0);
2776		2411
2777	LOG (llevDebug, " load str completed, object=%s\n", &op->name);	2412	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
…		…
2785	* returns NULL if no match.	2420	* returns NULL if no match.
2786	*/	2421	*/
2787	object *	2422	object *
2788	find_obj_by_type_subtype (const object *who, int type, int subtype)	2423	find_obj_by_type_subtype (const object *who, int type, int subtype)
2789	{	2424	{
2790	object *
2791	tmp;
2792
2793	for (tmp = who->inv; tmp; tmp = tmp->below)	2425	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2794	if (tmp->type == type && tmp->subtype == subtype)	2426	if (tmp->type == type && tmp->subtype == subtype)
2795	return tmp;	2427	return tmp;
2796		2428
2797	return NULL;	2429	return 0;
2798	}	2430	}
2799		2431
2800	/* If ob has a field named key, return the link from the list,	2432	/* If ob has a field named key, return the link from the list,
2801	* otherwise return NULL.	2433	* otherwise return NULL.
2802	*	2434	*
…		…
2804	* do the desired thing.	2436	* do the desired thing.
2805	*/	2437	*/
2806	key_value *	2438	key_value *
2807	get_ob_key_link (const object *ob, const char *key)	2439	get_ob_key_link (const object *ob, const char *key)
2808	{	2440	{
2809	key_value *
2810	link;
2811
2812	for (link = ob->key_values; link != NULL; link = link->next)	2441	for (key_value *link = ob->key_values; link; link = link->next)
2813	{
2814	if (link->key == key)	2442	if (link->key == key)
2815	{
2816	return link;	2443	return link;
2817	}
2818	}
2819		2444
2820	return NULL;	2445	return 0;
2821	}	2446	}
2822		2447
2823	/*	2448	/*
2824	* Returns the value of op has an extra_field for key, or NULL.	2449	* Returns the value of op has an extra_field for key, or NULL.
2825	*	2450	*
…		…
2828	* The returned string is shared.	2453	* The returned string is shared.
2829	*/	2454	*/
2830	const char *	2455	const char *
2831	get_ob_key_value (const object *op, const char *const key)	2456	get_ob_key_value (const object *op, const char *const key)
2832	{	2457	{
2833	key_value *	2458	key_value *link;
2834	link;	2459	shstr_cmp canonical_key (key);
2835	const char *
2836	canonical_key;
2837		2460
2838	canonical_key = shstr::find (key);
2839
2840	if (canonical_key == NULL)	2461	if (!canonical_key)
2841	{	2462	{
2842	/* 1. There being a field named key on any object	2463	/* 1. There being a field named key on any object
2843	* implies there'd be a shared string to find.	2464	* implies there'd be a shared string to find.
2844	* 2. Since there isn't, no object has this field.	2465	* 2. Since there isn't, no object has this field.
2845	* 3. Therefore, *this* object doesn't have this field.	2466	* 3. Therefore, *this* object doesn't have this field.
2846	*/	2467	*/
2847	return NULL;	2468	return 0;
2848	}	2469	}
2849		2470
2850	/* This is copied from get_ob_key_link() above -	2471	/* This is copied from get_ob_key_link() above -
2851	* only 4 lines, and saves the function call overhead.	2472	* only 4 lines, and saves the function call overhead.
2852	*/	2473	*/
2853	for (link = op->key_values; link != NULL; link = link->next)	2474	for (link = op->key_values; link; link = link->next)
2854	{
2855	if (link->key == canonical_key)	2475	if (link->key == canonical_key)
2856	{
2857	return link->value;	2476	return link->value;
2858	}	2477
2859	}
2860	return NULL;	2478	return 0;
2861	}	2479	}
2862		2480
2863		2481
2864	/*	2482	/*
2865	* Updates the canonical_key in op to value.	2483	* Updates the canonical_key in op to value.
…		…
2872	* Returns TRUE on success.	2490	* Returns TRUE on success.
2873	*/	2491	*/
2874	int	2492	int
2875	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2493	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2876	{	2494	{
2877	key_value *
2878	field = NULL, *last = NULL;	2495	key_value *field = NULL, *last = NULL;
2879		2496
2880	for (field = op->key_values; field != NULL; field = field->next)	2497	for (field = op->key_values; field != NULL; field = field->next)
2881	{	2498	{
2882	if (field->key != canonical_key)	2499	if (field->key != canonical_key)
2883	{	2500	{
…		…
2901	if (last)	2518	if (last)
2902	last->next = field->next;	2519	last->next = field->next;
2903	else	2520	else
2904	op->key_values = field->next;	2521	op->key_values = field->next;
2905		2522
2906	delete
2907	field;	2523	delete field;
2908	}	2524	}
2909	}	2525	}
2910	return TRUE;	2526	return TRUE;
2911	}	2527	}
2912	/* IF we get here, key doesn't exist */	2528	/* IF we get here, key doesn't exist */
2913		2529
2914	/* No field, we'll have to add it. */	2530	/* No field, we'll have to add it. */
2915		2531
2916	if (!add_key)	2532	if (!add_key)
2917	{
2918	return FALSE;	2533	return FALSE;
2919	}	2534
2920	/* There isn't any good reason to store a null	2535	/* There isn't any good reason to store a null
2921	* value in the key/value list. If the archetype has	2536	* value in the key/value list. If the archetype has
2922	* this key, then we should also have it, so shouldn't	2537	* this key, then we should also have it, so shouldn't
2923	* be here. If user wants to store empty strings,	2538	* be here. If user wants to store empty strings,
2924	* should pass in ""	2539	* should pass in ""
…		…
2947	* Returns TRUE on success.	2562	* Returns TRUE on success.
2948	*/	2563	*/
2949	int	2564	int
2950	set_ob_key_value (object *op, const char *key, const char *value, int add_key)	2565	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2951	{	2566	{
2952	shstr
2953	key_ (key);	2567	shstr key_ (key);
2954		2568
2955	return set_ob_key_value_s (op, key_, value, add_key);	2569	return set_ob_key_value_s (op, key_, value, add_key);
2956	}	2570	}
		2571
		2572	object::depth_iterator::depth_iterator (object *container)
		2573	: iterator_base (container)
		2574	{
		2575	while (item->inv)
		2576	item = item->inv;
		2577	}
		2578
		2579	void
		2580	object::depth_iterator::next ()
		2581	{
		2582	if (item->below)
		2583	{
		2584	item = item->below;
		2585
		2586	while (item->inv)
		2587	item = item->inv;
		2588	}
		2589	else
		2590	item = item->env;
		2591	}
		2592
		2593
		2594	const char *
		2595	object::flag_desc (char *desc, int len) const
		2596	{
		2597	char *p = desc;
		2598	bool first = true;
		2599
		2600	for (int i = 0; i < NUM_FLAGS; i++)
		2601	{
		2602	if (len <= 10) // magic constant!
		2603	{
		2604	snprintf (p, len, ",...");
		2605	break;
		2606	}
		2607
		2608	if (flag[i])
		2609	{
		2610	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2611	len -= cnt;
		2612	p += cnt;
		2613	first = false;
		2614	}
		2615	}
		2616
		2617	return desc;
		2618	}
		2619
		2620	// return a suitable string describing an objetc in enough detail to find it
		2621	const char *
		2622	object::debug_desc (char *info) const
		2623	{
		2624	char flagdesc[512];
		2625	char info2[256 * 4];
		2626	char *p = info;
		2627
		2628	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",
		2629	count, uuid.seq,
		2630	&name,
		2631	title ? "\",title:" : "",
		2632	title ? (const char *)title : "",
		2633	flag_desc (flagdesc, 512), type);
		2634
		2635	if (env)
		2636	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2637
		2638	if (map)
		2639	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
		2640
		2641	return info;
		2642	}
		2643
		2644	const char *
		2645	object::debug_desc () const
		2646	{
		2647	static char info[256 * 3];
		2648	return debug_desc (info);
		2649	}
		2650

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