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Comparing deliantra/server/common/object.C (file contents):
Revision 1.36 by root, Tue Sep 12 19:20:06 2006 UTC vs.
Revision 1.162 by root, Sat Jun 16 00:12:20 2007 UTC

1
2	/*	1	/*
3	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
4		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7		7	*
8	This program is free software; you can redistribute it and/or modify	8	* Crossfire TRT is free software; you can redistribute it and/or modify it
9	it under the terms of the GNU General Public License as published by	9	* under the terms of the GNU General Public License as published by the Free
10	the Free Software Foundation; either version 2 of the License, or	10	* Software Foundation; either version 2 of the License, or (at your option)
11	(at your option) any later version.	11	* any later version.
12		12	*
13	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful, but
14	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16	GNU General Public License for more details.	16	* for more details.
17		17	*
18	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License along
19	along with this program; if not, write to the Free Software	19	* with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21		21	*
22	The authors can be reached via e-mail at crossfire-devel@real-time.com	22	* The authors can be reached via e-mail to <crossfire@schmorp.de>
23	*/	23	*/
24		24
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying	26	sub/add_weight will transcend the environment updating the carrying
27	variable. */	27	variable. */
28	#include <global.h>	28	#include <global.h>
29	#include <stdio.h>	29	#include <stdio.h>
30	#include <sys/types.h>	30	#include <sys/types.h>
31	#include <sys/uio.h>	31	#include <sys/uio.h>
32	#include <object.h>	32	#include <object.h>
33	#include <funcpoint.h>	33	#include <funcpoint.h>
		34	#include <sproto.h>
34	#include <loader.h>	35	#include <loader.h>
35		36
		37	#include <bitset>
		38
36	int nrofallocobjects = 0;	39	int nrofallocobjects = 0;
		40	static UUID uuid;
		41	const uint64 UUID_SKIP = 1<<19;
37		42
38	object *objects; /* Pointer to the list of used objects */	43	objectvec objects;
39	object *active_objects; /* List of active objects that need to be processed */	44	activevec actives;
40		45
41	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	46	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
42	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	47	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
43	};	48	};
44	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	49	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
…		…
50	int freedir[SIZEOFFREE] = {	55	int freedir[SIZEOFFREE] = {
51	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	56	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
52	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	57	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
53	};	58	};
54		59
		60	static void
		61	write_uuid (void)
		62	{
		63	char filename1[MAX_BUF], filename2[MAX_BUF];
		64
		65	sprintf (filename1, "%s/uuid", settings.localdir);
		66	sprintf (filename2, "%s/uuid~", settings.localdir);
		67
		68	FILE *fp;
		69
		70	if (!(fp = fopen (filename2, "w")))
		71	{
		72	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
		73	return;
		74	}
		75
		76	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
		77	fclose (fp);
		78	rename (filename2, filename1);
		79	}
		80
		81	static void
		82	read_uuid (void)
		83	{
		84	char filename[MAX_BUF];
		85
		86	sprintf (filename, "%s/uuid", settings.localdir);
		87
		88	FILE *fp;
		89
		90	if (!(fp = fopen (filename, "r")))
		91	{
		92	if (errno == ENOENT)
		93	{
		94	LOG (llevInfo, "RESET uid to 1\n");
		95	uuid.seq = 0;
		96	write_uuid ();
		97	return;
		98	}
		99
		100	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
		101	_exit (1);
		102	}
		103
		104	int version;
		105	unsigned long long uid;
		106	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)
		107	{
		108	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);
		109	_exit (1);
		110	}
		111
		112	uuid.seq = uid;
		113	write_uuid ();
		114	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
		115	fclose (fp);
		116	}
		117
		118	UUID
		119	gen_uuid ()
		120	{
		121	UUID uid;
		122
		123	uid.seq = ++uuid.seq;
		124
		125	if (!(uuid.seq & (UUID_SKIP - 1)))
		126	write_uuid ();
		127
		128	return uid;
		129	}
		130
		131	void
		132	init_uuid ()
		133	{
		134	read_uuid ();
		135	}
		136
55	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	137	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
56	static int	138	static int
57	compare_ob_value_lists_one (const object *wants, const object *has)	139	compare_ob_value_lists_one (const object *wants, const object *has)
58	{	140	{
59	key_value *wants_field;	141	key_value *wants_field;
…		…
62	* objects with lists are rare, and lists stay short. If not, use a	144	* objects with lists are rare, and lists stay short. If not, use a
63	* different structure or at least keep the lists sorted...	145	* different structure or at least keep the lists sorted...
64	*/	146	*/
65		147
66	/* For each field in wants, */	148	/* For each field in wants, */
67	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	149	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
68	{	150	{
69	key_value *has_field;	151	key_value *has_field;
70		152
71	/* Look for a field in has with the same key. */	153	/* Look for a field in has with the same key. */
72	has_field = get_ob_key_link (has, wants_field->key);	154	has_field = get_ob_key_link (has, wants_field->key);
…		…
106	*	188	*
107	* Note that this function appears a lot longer than the macro it	189	* Note that this function appears a lot longer than the macro it
108	* replaces - this is mostly for clarity - a decent compiler should hopefully	190	* replaces - this is mostly for clarity - a decent compiler should hopefully
109	* reduce this to the same efficiency.	191	* reduce this to the same efficiency.
110	*	192	*
111	* Check nrof variable *before* calling CAN_MERGE()	193	* Check nrof variable *before* calling can_merge()
112	*	194	*
113	* Improvements made with merge: Better checking on potion, and also	195	* Improvements made with merge: Better checking on potion, and also
114	* check weight	196	* check weight
115	*/	197	*/
116
117	bool object::can_merge (object *ob1, object *ob2)	198	bool object::can_merge_slow (object *ob1, object *ob2)
118	{	199	{
119	/* A couple quicksanity checks */	200	/* A couple quicksanity checks */
120	if ((ob1 == ob2) || (ob1->type != ob2->type))	201	if (ob1 == ob2
		202	|| ob1->type != ob2->type
		203	|| ob1->speed != ob2->speed
		204	|| ob1->value != ob2->value
		205	|| ob1->name != ob2->name)
121	return 0;	206	return 0;
122		207
123	if (ob1->speed != ob2->speed)	208	//TODO: this ain't working well, use nicer and correct overflow check
124	return 0;
125
126	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	209	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
127	* value could not be stored in a sint32 (which unfortunately sometimes is	210	* value could not be stored in a sint32 (which unfortunately sometimes is
128	* used to store nrof).	211	* used to store nrof).
129	*/	212	*/
130	if (ob1->nrof + ob2->nrof >= 1UL << 31)	213	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
140	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	223	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
141		224
142	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	225	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
143	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	226	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
144		227
145		228	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
146	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	229	|| ob1->arch != ob2->arch
147	* being locked in inventory should prevent merging.
148	* 0x4 in flags3 is CLIENT_SENT
149	*/
150	if ((ob1->arch != ob2->arch) ||
151	(ob1->flags[0] != ob2->flags[0]) ||
152	(ob1->flags[1] != ob2->flags[1]) ||
153	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
154	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
155	(ob1->name != ob2->name) ||	230	|| ob1->name != ob2->name
156	(ob1->title != ob2->title) ||	231	|| ob1->title != ob2->title
157	(ob1->msg != ob2->msg) ||	232	|| ob1->msg != ob2->msg
158	(ob1->weight != ob2->weight) ||	233	|| ob1->weight != ob2->weight
159	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	234	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
160	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	235	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
161	(ob1->attacktype != ob2->attacktype) ||	236	|| ob1->attacktype != ob2->attacktype
162	(ob1->magic != ob2->magic) ||	237	|| ob1->magic != ob2->magic
163	(ob1->slaying != ob2->slaying) ||	238	|| ob1->slaying != ob2->slaying
164	(ob1->skill != ob2->skill) ||	239	|| ob1->skill != ob2->skill
165	(ob1->value != ob2->value) ||	240	|| ob1->value != ob2->value
166	(ob1->animation_id != ob2->animation_id) ||	241	|| ob1->animation_id != ob2->animation_id
167	(ob1->client_type != ob2->client_type) ||	242	|| ob1->client_type != ob2->client_type
168	(ob1->materialname != ob2->materialname) ||	243	|| ob1->materialname != ob2->materialname
169	(ob1->lore != ob2->lore) ||	244	|| ob1->lore != ob2->lore
170	(ob1->subtype != ob2->subtype) ||	245	|| ob1->subtype != ob2->subtype
171	(ob1->move_type != ob2->move_type) ||	246	|| ob1->move_type != ob2->move_type
172	(ob1->move_block != ob2->move_block) ||	247	|| ob1->move_block != ob2->move_block
173	(ob1->move_allow != ob2->move_allow) ||	248	|| ob1->move_allow != ob2->move_allow
174	(ob1->move_on != ob2->move_on) ||	249	|| ob1->move_on != ob2->move_on
175	(ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty))	250	|| ob1->move_off != ob2->move_off
		251	|| ob1->move_slow != ob2->move_slow
		252	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
176	return 0;	253	return 0;
177		254
178	/* This is really a spellbook check - really, we should	255	/* This is really a spellbook check - really, we should
179	* check all objects in the inventory.	256	* check all objects in the inventory.
180	*/	257	*/
…		…
183	/* if one object has inventory but the other doesn't, not equiv */	260	/* if one object has inventory but the other doesn't, not equiv */
184	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	261	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
185	return 0;	262	return 0;
186		263
187	/* Now check to see if the two inventory objects could merge */	264	/* Now check to see if the two inventory objects could merge */
188	if (!CAN_MERGE (ob1->inv, ob2->inv))	265	if (!object::can_merge (ob1->inv, ob2->inv))
189	return 0;	266	return 0;
190		267
191	/* inventory ok - still need to check rest of this object to see	268	/* inventory ok - still need to check rest of this object to see
192	* if it is valid.	269	* if it is valid.
193	*/	270	*/
…		…
202		279
203	/* Note sure why the following is the case - either the object has to	280	/* Note sure why the following is the case - either the object has to
204	* be animated or have a very low speed. Is this an attempted monster	281	* be animated or have a very low speed. Is this an attempted monster
205	* check?	282	* check?
206	*/	283	*/
207	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
208	return 0;	285	return 0;
209		286
210	switch (ob1->type)	287	switch (ob1->type)
211	{	288	{
212	case SCROLL:	289	case SCROLL:
…		…
248	sum_weight (object *op)	325	sum_weight (object *op)
249	{	326	{
250	long sum;	327	long sum;
251	object *inv;	328	object *inv;
252		329
253	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	330	for (sum = 0, inv = op->inv; inv; inv = inv->below)
254	{	331	{
255	if (inv->inv)	332	if (inv->inv)
256	sum_weight (inv);	333	sum_weight (inv);
		334
257	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	335	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
258	}	336	}
		337
259	if (op->type == CONTAINER && op->stats.Str)	338	if (op->type == CONTAINER && op->stats.Str)
260	sum = (sum * (100 - op->stats.Str)) / 100;	339	sum = (sum * (100 - op->stats.Str)) / 100;
		340
261	if (op->carrying != sum)	341	if (op->carrying != sum)
262	op->carrying = sum;	342	op->carrying = sum;
		343
263	return sum;	344	return sum;
264	}	345	}
265		346
266	/**	347	/**
267	* Return the outermost environment object for a given object.	348	* Return the outermost environment object for a given object.
…		…
274	op = op->env;	355	op = op->env;
275	return op;	356	return op;
276	}	357	}
277		358
278	/*	359	/*
279	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
280	* a better check. We basically keeping traversing up until we can't
281	* or find a player.
282	*/
283
284	object *
285	is_player_inv (object *op)
286	{
287	for (; op != NULL && op->type != PLAYER; op = op->env)
288	if (op->env == op)
289	op->env = NULL;
290	return op;
291	}
292
293	/*
294	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	360	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
295	* Some error messages.	361	* Some error messages.
296	* The result of the dump is stored in the static global errmsg array.	362	* The result of the dump is stored in the static global errmsg array.
297	*/	363	*/
298		364	char *
299	void
300	dump_object2 (object *op)
301	{
302	errmsg[0] = 0;
303	return;
304	//TODO//D#d#
305	#if 0
306	char *cp;
307
308	/* object *tmp;*/
309
310	if (op->arch != NULL)
311	{
312	strcat (errmsg, "arch ");
313	strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
314	strcat (errmsg, "\n");
315	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
316	strcat (errmsg, cp);
317	# if 0
318	/* Don't dump player diffs - they are too long, mostly meaningless, and
319	* will overflow the buffer.
320	* Changed so that we don't dump inventory either. This may
321	* also overflow the buffer.
322	*/
323	if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
324	strcat (errmsg, cp);
325	for (tmp = op->inv; tmp; tmp = tmp->below)
326	dump_object2 (tmp);
327	# endif
328	strcat (errmsg, "end\n");
329	}
330	else
331	{
332	strcat (errmsg, "Object ");
333	if (op->name == NULL)
334	strcat (errmsg, "(null)");
335	else
336	strcat (errmsg, op->name);
337	strcat (errmsg, "\n");
338	# if 0
339	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
340	strcat (errmsg, cp);
341	for (tmp = op->inv; tmp; tmp = tmp->below)
342	dump_object2 (tmp);
343	# endif
344	strcat (errmsg, "end\n");
345	}
346	#endif
347	}
348
349	/*
350	* Dumps an object. Returns output in the static global errmsg array.
351	*/
352
353	void
354	dump_object (object *op)	365	dump_object (object *op)
355	{	366	{
356	if (op == NULL)	367	if (!op)
357	{	368	return strdup ("[NULLOBJ]");
358	strcpy (errmsg, "[NULL pointer]");
359	return;
360	}
361	errmsg[0] = '\0';
362	dump_object2 (op);
363	}
364		369
365	void	370	object_freezer freezer;
366	dump_all_objects (void)	371	op->write (freezer);
367	{	372	return freezer.as_string ();
368	object *op;
369
370	for (op = objects; op != NULL; op = op->next)
371	{
372	dump_object (op);
373	fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
374	}
375	}	373	}
376		374
377	/*	375	/*
378	* get_nearest_part(multi-object, object 2) returns the part of the	376	* get_nearest_part(multi-object, object 2) returns the part of the
379	* multi-object 1 which is closest to the second object.	377	* multi-object 1 which is closest to the second object.
…		…
395	}	393	}
396		394
397	/*	395	/*
398	* Returns the object which has the count-variable equal to the argument.	396	* Returns the object which has the count-variable equal to the argument.
399	*/	397	*/
400
401	object *	398	object *
402	find_object (tag_t i)	399	find_object (tag_t i)
403	{	400	{
404	object *op;	401	for_all_objects (op)
405
406	for (op = objects; op != NULL; op = op->next)
407	if (op->count == i)	402	if (op->count == i)
408	break;
409	return op;	403	return op;
		404
		405	return 0;
410	}	406	}
411		407
412	/*	408	/*
413	* Returns the first object which has a name equal to the argument.	409	* Returns the first object which has a name equal to the argument.
414	* Used only by the patch command, but not all that useful.	410	* Used only by the patch command, but not all that useful.
415	* Enables features like "patch <name-of-other-player> food 999"	411	* Enables features like "patch <name-of-other-player> food 999"
416	*/	412	*/
417
418	object *	413	object *
419	find_object_name (const char *str)	414	find_object_name (const char *str)
420	{	415	{
421	shstr_cmp str_ (str);	416	shstr_cmp str_ (str);
422	object *op;	417	object *op;
423		418
424	for (op = objects; op != NULL; op = op->next)	419	for_all_objects (op)
425	if (op->name == str_)	420	if (op->name == str_)
426	break;	421	break;
427		422
428	return op;	423	return op;
429	}	424	}
430		425
431	void	426	void
432	free_all_object_data ()	427	free_all_object_data ()
433	{	428	{
434	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);	429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
435	}
436
437	/*
438	* Returns the object which this object marks as being the owner.
439	* A id-scheme is used to avoid pointing to objects which have been
440	* freed and are now reused. If this is detected, the owner is
441	* set to NULL, and NULL is returned.
442	* Changed 2004-02-12 - if the player is setting at the play again
443	* prompt, he is removed, and we don't want to treat him as an owner of
444	* anything, so check removed flag. I don't expect that this should break
445	* anything - once an object is removed, it is basically dead anyways.
446	*/
447	object *
448	object::get_owner ()
449	{
450	if (!owner
451	|| QUERY_FLAG (owner, FLAG_FREED)
452	|| QUERY_FLAG (owner, FLAG_REMOVED))
453	owner = 0;
454
455	return owner;
456	}	430	}
457		431
458	/*	432	/*
459	* Sets the owner and sets the skill and exp pointers to owner's current	433	* Sets the owner and sets the skill and exp pointers to owner's current
460	* skill and experience objects.	434	* skill and experience objects.
…		…
476	owner = owner->owner;	450	owner = owner->owner;
477		451
478	this->owner = owner;	452	this->owner = owner;
479	}	453	}
480		454
		455	int
		456	object::slottype () const
		457	{
		458	if (type == SKILL)
		459	{
		460	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		461	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		462	}
		463	else
		464	{
		465	if (slot [body_combat].info) return slot_combat;
		466	if (slot [body_range ].info) return slot_ranged;
		467	}
		468
		469	return slot_none;
		470	}
		471
		472	bool
		473	object::change_weapon (object *ob)
		474	{
		475	if (current_weapon == ob)
		476	return true;
		477
		478	if (chosen_skill)
		479	chosen_skill->flag [FLAG_APPLIED] = false;
		480
		481	current_weapon = ob;
		482	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		483
		484	if (chosen_skill)
		485	chosen_skill->flag [FLAG_APPLIED] = true;
		486
		487	update_stats ();
		488
		489	if (ob)
		490	{
		491	// now check wether any body locations became invalid, in which case
		492	// we cannot apply the weapon at the moment.
		493	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		494	if (slot[i].used < 0)
		495	{
		496	current_weapon = chosen_skill = 0;
		497	update_stats ();
		498
		499	new_draw_info_format (NDI_UNIQUE, 0, this,
		500	"You try to balance all your items at once, "
		501	"but the %s is just too much for your body. "
		502	"[You need to unapply some items first.]", &ob->name);
		503	return false;
		504	}
		505
		506	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		507	}
		508	else
		509	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		510
		511	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		512	{
		513	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		514	&name, ob->debug_desc ());
		515	return false;
		516	}
		517
		518	return true;
		519	}
		520
481	/* Zero the key_values on op, decrementing the shared-string	521	/* Zero the key_values on op, decrementing the shared-string
482	* refcounts and freeing the links.	522	* refcounts and freeing the links.
483	*/	523	*/
484	static void	524	static void
485	free_key_values (object *op)	525	free_key_values (object *op)
486	{	526	{
487	for (key_value *i = op->key_values; i != 0;)	527	for (key_value *i = op->key_values; i; )
488	{	528	{
489	key_value *next = i->next;	529	key_value *next = i->next;
490	delete i;	530	delete i;
491		531
492	i = next;	532	i = next;
493	}	533	}
494		534
495	op->key_values = 0;	535	op->key_values = 0;
496	}	536	}
497		537
498	void object::clear ()	538	object &
		539	object::operator =(const object &src)
499	{	540	{
500	attachable_base::clear ();	541	bool is_freed = flag [FLAG_FREED];
		542	bool is_removed = flag [FLAG_REMOVED];
501		543
502	free_key_values (this);	544	*(object_copy *)this = src;
503		545
504	owner = 0;	546	flag [FLAG_FREED] = is_freed;
505	name = 0;	547	flag [FLAG_REMOVED] = is_removed;
506	name_pl = 0;
507	title = 0;
508	race = 0;
509	slaying = 0;
510	skill = 0;
511	msg = 0;
512	lore = 0;
513	custom_name = 0;
514	materialname = 0;
515	contr = 0;
516	below = 0;
517	above = 0;
518	inv = 0;
519	container = 0;
520	env = 0;
521	more = 0;
522	head = 0;
523	map = 0;
524	active_next = 0;
525	active_prev = 0;
526
527	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
528
529	SET_FLAG (this, FLAG_REMOVED);
530
531	/* What is not cleared is next, prev, and count */
532
533	expmul = 1.0;
534	face = blank_face;
535	attacked_by_count = -1;
536
537	if (settings.casting_time)
538	casting_time = -1;
539	}
540
541	void object::clone (object *destination)
542	{
543	*(object_copy *)destination = *this;
544	*(object_pod *)destination = *this;
545
546	if (self || cb)
547	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
548	}
549
550	/*
551	* copy object first frees everything allocated by the second object,
552	* and then copies the contends of the first object into the second
553	* object, allocating what needs to be allocated. Basically, any
554	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
555	* if the first object is freed, the pointers in the new object
556	* will point at garbage.
557	*/
558	void
559	copy_object (object *op2, object *op)
560	{
561	bool is_freed = QUERY_FLAG (op, FLAG_FREED);
562	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
563
564	op2->clone (op);
565
566	if (is_freed)
567	SET_FLAG (op, FLAG_FREED);
568	if (is_removed)
569	SET_FLAG (op, FLAG_REMOVED);
570
571	if (op2->speed < 0)
572	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
573		548
574	/* Copy over key_values, if any. */	549	/* Copy over key_values, if any. */
575	if (op2->key_values)	550	if (src.key_values)
576	{	551	{
577	key_value *tail = 0;	552	key_value *tail = 0;
578	key_value *i;
579
580	op->key_values = 0;	553	key_values = 0;
581		554
582	for (i = op2->key_values; i; i = i->next)	555	for (key_value *i = src.key_values; i; i = i->next)
583	{	556	{
584	key_value *new_link = new key_value;	557	key_value *new_link = new key_value;
585		558
586	new_link->next = 0;	559	new_link->next = 0;
587	new_link->key = i->key;	560	new_link->key = i->key;
588	new_link->value = i->value;	561	new_link->value = i->value;
589		562
590	/* Try and be clever here, too. */	563	/* Try and be clever here, too. */
591	if (!op->key_values)	564	if (!key_values)
592	{	565	{
593	op->key_values = new_link;	566	key_values = new_link;
594	tail = new_link;	567	tail = new_link;
595	}	568	}
596	else	569	else
597	{	570	{
598	tail->next = new_link;	571	tail->next = new_link;
599	tail = new_link;	572	tail = new_link;
600	}	573	}
601	}	574	}
602	}	575	}
		576	}
603		577
604	update_ob_speed (op);	578	/*
		579	* copy_to first frees everything allocated by the dst object,
		580	* and then copies the contents of itself into the second
		581	* object, allocating what needs to be allocated. Basically, any
		582	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		583	* if the first object is freed, the pointers in the new object
		584	* will point at garbage.
		585	*/
		586	void
		587	object::copy_to (object *dst)
		588	{
		589	*dst = *this;
		590
		591	if (speed < 0)
		592	dst->speed_left = speed_left - rndm ();
		593
		594	dst->set_speed (dst->speed);
		595	}
		596
		597	void
		598	object::instantiate ()
		599	{
		600	if (!uuid.seq) // HACK
		601	uuid = gen_uuid ();
		602
		603	speed_left = -0.1f;
		604	/* copy the body_info to the body_used - this is only really
		605	* need for monsters, but doesn't hurt to do it for everything.
		606	* by doing so, when a monster is created, it has good starting
		607	* values for the body_used info, so when items are created
		608	* for it, they can be properly equipped.
		609	*/
		610	for (int i = NUM_BODY_LOCATIONS; i--; )
		611	slot[i].used = slot[i].info;
		612
		613	attachable::instantiate ();
		614	}
		615
		616	object *
		617	object::clone ()
		618	{
		619	object *neu = create ();
		620	copy_to (neu);
		621	return neu;
605	}	622	}
606		623
607	/*	624	/*
608	* If an object with the IS_TURNABLE() flag needs to be turned due	625	* If an object with the IS_TURNABLE() flag needs to be turned due
609	* to the closest player being on the other side, this function can	626	* to the closest player being on the other side, this function can
610	* be called to update the face variable, _and_ how it looks on the map.	627	* be called to update the face variable, _and_ how it looks on the map.
611	*/	628	*/
612
613	void	629	void
614	update_turn_face (object *op)	630	update_turn_face (object *op)
615	{	631	{
616	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	632	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
617	return;	633	return;
		634
618	SET_ANIMATION (op, op->direction);	635	SET_ANIMATION (op, op->direction);
619	update_object (op, UP_OBJ_FACE);	636	update_object (op, UP_OBJ_FACE);
620	}	637	}
621		638
622	/*	639	/*
623	* Updates the speed of an object. If the speed changes from 0 to another	640	* Updates the speed of an object. If the speed changes from 0 to another
624	* value, or vice versa, then add/remove the object from the active list.	641	* value, or vice versa, then add/remove the object from the active list.
625	* This function needs to be called whenever the speed of an object changes.	642	* This function needs to be called whenever the speed of an object changes.
626	*/	643	*/
627	void	644	void
628	update_ob_speed (object *op)	645	object::set_speed (float speed)
629	{	646	{
630	extern int arch_init;	647	if (flag [FLAG_FREED] && speed)
631
632	/* No reason putting the archetypes objects on the speed list,
633	* since they never really need to be updated.
634	*/
635
636	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
637	{	648	{
638	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	649	LOG (llevError, "Object %s is freed but has speed.\n", &name);
639	#ifdef MANY_CORES
640	abort ();
641	#else
642	op->speed = 0;	650	speed = 0;
643	#endif
644	}
645
646	if (arch_init)
647	return;
648
649	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
650	{	651	}
651	/* If already on active list, don't do anything */
652	if (op->active_next || op->active_prev || op == active_objects)
653	return;
654		652
655	/* process_events() expects us to insert the object at the beginning	653	this->speed = speed;
656	* of the list. */
657	op->active_next = active_objects;
658		654
659	if (op->active_next != NULL)	655	if (has_active_speed ())
660	op->active_next->active_prev = op;	656	activate ();
661
662	active_objects = op;
663	}
664	else	657	else
665	{	658	deactivate ();
666	/* If not on the active list, nothing needs to be done */
667	if (!op->active_next && !op->active_prev && op != active_objects)
668	return;
669
670	if (op->active_prev == NULL)
671	{
672	active_objects = op->active_next;
673
674	if (op->active_next != NULL)
675	op->active_next->active_prev = NULL;
676	}
677	else
678	{
679	op->active_prev->active_next = op->active_next;
680
681	if (op->active_next)
682	op->active_next->active_prev = op->active_prev;
683	}
684
685	op->active_next = NULL;
686	op->active_prev = NULL;
687	}
688	}	659	}
689		660
690	/* This function removes object 'op' from the list of active
691	* objects.
692	* This should only be used for style maps or other such
693	* reference maps where you don't want an object that isn't
694	* in play chewing up cpu time getting processed.
695	* The reverse of this is to call update_ob_speed, which
696	* will do the right thing based on the speed of the object.
697	*/
698	void
699	remove_from_active_list (object *op)
700	{
701	/* If not on the active list, nothing needs to be done */
702	if (!op->active_next && !op->active_prev && op != active_objects)
703	return;
704
705	if (op->active_prev == NULL)
706	{
707	active_objects = op->active_next;
708	if (op->active_next != NULL)
709	op->active_next->active_prev = NULL;
710	}
711	else
712	{
713	op->active_prev->active_next = op->active_next;
714	if (op->active_next)
715	op->active_next->active_prev = op->active_prev;
716	}
717	op->active_next = NULL;
718	op->active_prev = NULL;
719	}
720
721	/*	661	/*
722	* update_object() updates the array which represents the map.	662	* update_object() updates the the map.
723	* It takes into account invisible objects (and represent squares covered	663	* It takes into account invisible objects (and represent squares covered
724	* by invisible objects by whatever is below them (unless it's another	664	* by invisible objects by whatever is below them (unless it's another
725	* invisible object, etc...)	665	* invisible object, etc...)
726	* If the object being updated is beneath a player, the look-window	666	* If the object being updated is beneath a player, the look-window
727	* of that player is updated (this might be a suboptimal way of	667	* of that player is updated (this might be a suboptimal way of
728	* updating that window, though, since update_object() is called _often_)	668	* updating that window, though, since update_object() is called _often_)
729	*	669	*
730	* action is a hint of what the caller believes need to be done.	670	* action is a hint of what the caller believes need to be done.
731	* For example, if the only thing that has changed is the face (due to
732	* an animation), we don't need to call update_position until that actually
733	* comes into view of a player. OTOH, many other things, like addition/removal
734	* of walls or living creatures may need us to update the flags now.
735	* current action are:	671	* current action are:
736	* UP_OBJ_INSERT: op was inserted	672	* UP_OBJ_INSERT: op was inserted
737	* UP_OBJ_REMOVE: op was removed	673	* UP_OBJ_REMOVE: op was removed
738	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	674	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
739	* as that is easier than trying to look at what may have changed.	675	* as that is easier than trying to look at what may have changed.
740	* UP_OBJ_FACE: only the objects face has changed.	676	* UP_OBJ_FACE: only the objects face has changed.
741	*/	677	*/
742
743	void	678	void
744	update_object (object *op, int action)	679	update_object (object *op, int action)
745	{	680	{
746	int update_now = 0, flags;
747	MoveType move_on, move_off, move_block, move_slow;
748
749	if (op == NULL)	681	if (op == NULL)
750	{	682	{
751	/* this should never happen */	683	/* this should never happen */
752	LOG (llevDebug, "update_object() called for NULL object.\n");	684	LOG (llevDebug, "update_object() called for NULL object.\n");
753	return;	685	return;
754	}	686	}
755		687
756	if (op->env != NULL)	688	if (op->env)
757	{	689	{
758	/* Animation is currently handled by client, so nothing	690	/* Animation is currently handled by client, so nothing
759	* to do in this case.	691	* to do in this case.
760	*/	692	*/
761	return;	693	return;
…		…
766	*/	698	*/
767	if (!op->map || op->map->in_memory == MAP_SAVING)	699	if (!op->map || op->map->in_memory == MAP_SAVING)
768	return;	700	return;
769		701
770	/* make sure the object is within map boundaries */	702	/* make sure the object is within map boundaries */
771	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	703	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
772	{	704	{
773	LOG (llevError, "update_object() called for object out of map!\n");	705	LOG (llevError, "update_object() called for object out of map!\n");
774	#ifdef MANY_CORES	706	#ifdef MANY_CORES
775	abort ();	707	abort ();
776	#endif	708	#endif
777	return;	709	return;
778	}	710	}
779		711
780	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	712	mapspace &m = op->ms ();
781	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
782	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
783	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
784	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
785	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
786		713
		714	if (!(m.flags_ & P_UPTODATE))
		715	/* nop */;
787	if (action == UP_OBJ_INSERT)	716	else if (action == UP_OBJ_INSERT)
788	{	717	{
		718	// this is likely overkill, TODO: revisit (schmorp)
789	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	719	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
790	update_now = 1;
791
792	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	720	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
793	update_now = 1;	721	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
794		722	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		723	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
795	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	724	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
796	update_now = 1;
797
798	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
799	update_now = 1;
800
801	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
802	update_now = 1;
803
804	if ((move_on | op->move_on) != move_on)	725	|| (m.move_on | op->move_on ) != m.move_on
805	update_now = 1;
806
807	if ((move_off | op->move_off) != move_off)	726	|| (m.move_off | op->move_off ) != m.move_off
808	update_now = 1;	727	|| (m.move_slow | op->move_slow) != m.move_slow
809
810	/* This isn't perfect, but I don't expect a lot of objects to	728	/* This isn't perfect, but I don't expect a lot of objects to
811	* to have move_allow right now.	729	* to have move_allow right now.
812	*/	730	*/
813	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	731	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
814	update_now = 1;	732	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
815		733	m.flags_ = 0;
816	if ((move_slow | op->move_slow) != move_slow)
817	update_now = 1;
818	}	734	}
819	/* if the object is being removed, we can't make intelligent	735	/* if the object is being removed, we can't make intelligent
820	* decisions, because remove_ob can't really pass the object	736	* decisions, because remove_ob can't really pass the object
821	* that is being removed.	737	* that is being removed.
822	*/	738	*/
823	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	739	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
824	update_now = 1;	740	m.flags_ = 0;
825	else if (action == UP_OBJ_FACE)	741	else if (action == UP_OBJ_FACE)
826	/* Nothing to do for that case */ ;	742	/* Nothing to do for that case */ ;
827	else	743	else
828	LOG (llevError, "update_object called with invalid action: %d\n", action);	744	LOG (llevError, "update_object called with invalid action: %d\n", action);
829		745
830	if (update_now)
831	{
832	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
833	update_position (op->map, op->x, op->y);
834	}
835
836	if (op->more != NULL)	746	if (op->more)
837	update_object (op->more, action);	747	update_object (op->more, action);
838	}
839
840	static unordered_vector<object *> mortals;
841	static std::vector<object *> freed;
842
843	void object::free_mortals ()
844	{
845	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();)
846	if ((*i)->refcnt)
847	++i; // further delay freeing
848	else
849	{
850	freed.push_back (*i);//D
851	//delete *i;
852	mortals.erase (i);
853	}
854
855	if (mortals.size() && 0)//D
856	LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D
857	}	748	}
858		749
859	object::object ()	750	object::object ()
860	{	751	{
861	SET_FLAG (this, FLAG_REMOVED);	752	SET_FLAG (this, FLAG_REMOVED);
862		753
863	expmul = 1.0;	754	expmul = 1.0;
864	face = blank_face;	755	face = blank_face;
865	attacked_by_count = -1;
866	}	756	}
867		757
868	object::~object ()	758	object::~object ()
869	{	759	{
		760	unlink ();
		761
870	free_key_values (this);	762	free_key_values (this);
871	}	763	}
872		764
		765	static int object_count;
		766
873	void object::link ()	767	void object::link ()
874	{	768	{
		769	assert (!index);//D
		770	uuid = gen_uuid ();
875	count = ++ob_count;	771	count = ++object_count;
876		772
877	prev = 0;	773	refcnt_inc ();
878	next = objects;	774	objects.insert (this);
879
880	if (objects)
881	objects->prev = this;
882
883	objects = this;
884	}	775	}
885		776
886	void object::unlink ()	777	void object::unlink ()
887	{	778	{
888	count = 0;
889
890	/* Remove this object from the list of used objects */
891	if (prev)
892	{
893	prev->next = next;
894	prev = 0;
895	}
896
897	if (next)	779	if (!index)
898	{	780	return;
899	next->prev = prev;	781
900	next = 0;	782	objects.erase (this);
		783	refcnt_dec ();
		784	}
		785
		786	void
		787	object::activate ()
		788	{
		789	/* If already on active list, don't do anything */
		790	if (active)
		791	return;
		792
		793	if (has_active_speed ())
		794	actives.insert (this);
		795	}
		796
		797	void
		798	object::activate_recursive ()
		799	{
		800	activate ();
		801
		802	for (object *op = inv; op; op = op->below)
		803	op->activate_recursive ();
		804	}
		805
		806	/* This function removes object 'op' from the list of active
		807	* objects.
		808	* This should only be used for style maps or other such
		809	* reference maps where you don't want an object that isn't
		810	* in play chewing up cpu time getting processed.
		811	* The reverse of this is to call update_ob_speed, which
		812	* will do the right thing based on the speed of the object.
		813	*/
		814	void
		815	object::deactivate ()
		816	{
		817	/* If not on the active list, nothing needs to be done */
		818	if (!active)
		819	return;
		820
		821	actives.erase (this);
		822	}
		823
		824	void
		825	object::deactivate_recursive ()
		826	{
		827	for (object *op = inv; op; op = op->below)
		828	op->deactivate_recursive ();
		829
		830	deactivate ();
		831	}
		832
		833	void
		834	object::set_flag_inv (int flag, int value)
		835	{
		836	for (object *op = inv; op; op = op->below)
901	}	837	{
		838	op->flag [flag] = value;
		839	op->set_flag_inv (flag, value);
		840	}
		841	}
902		842
903	if (this == objects)	843	/*
904	objects = next;	844	* Remove and free all objects in the inventory of the given object.
		845	* object.c ?
		846	*/
		847	void
		848	object::destroy_inv (bool drop_to_ground)
		849	{
		850	// need to check first, because the checks below might segfault
		851	// as we might be on an invalid mapspace and crossfire code
		852	// is too buggy to ensure that the inventory is empty.
		853	// corollary: if you create arrows etc. with stuff in tis inventory,
		854	// cf will crash below with off-map x and y
		855	if (!inv)
		856	return;
		857
		858	/* Only if the space blocks everything do we not process -
		859	* if some form of movement is allowed, let objects
		860	* drop on that space.
		861	*/
		862	if (!drop_to_ground
		863	|| !map
		864	|| map->in_memory != MAP_IN_MEMORY
		865	|| map->nodrop
		866	|| ms ().move_block == MOVE_ALL)
		867	{
		868	while (inv)
		869	{
		870	inv->destroy_inv (drop_to_ground);
		871	inv->destroy ();
		872	}
		873	}
		874	else
		875	{ /* Put objects in inventory onto this space */
		876	while (inv)
		877	{
		878	object *op = inv;
		879
		880	if (op->flag [FLAG_STARTEQUIP]
		881	|| op->flag [FLAG_NO_DROP]
		882	|| op->type == RUNE
		883	|| op->type == TRAP
		884	|| op->flag [FLAG_IS_A_TEMPLATE]
		885	|| op->flag [FLAG_DESTROY_ON_DEATH])
		886	op->destroy ();
		887	else
		888	map->insert (op, x, y);
		889	}
		890	}
905	}	891	}
906		892
907	object *object::create ()	893	object *object::create ()
908	{	894	{
909	object *op;
910
911	if (freed.empty ())
912	op = new object;	895	object *op = new object;
913	else
914	{
915	// highly annoying, but the only way to get it stable right now
916	op = freed.back ();
917	freed.pop_back ();
918	op->~object ();
919	new ((void *) op) object;
920	}
921
922	op->link ();	896	op->link ();
923	return op;	897	return op;
924	}	898	}
925		899
926	/*	900	void
927	* free_object() frees everything allocated by an object, removes	901	object::do_destroy ()
928	* it from the list of used objects, and puts it on the list of
929	* free objects. The IS_FREED() flag is set in the object.
930	* The object must have been removed by remove_ob() first for
931	* this function to succeed.
932	*
933	* If free_inventory is set, free inventory as well. Else drop items in
934	* inventory to the ground.
935	*/
936	void object::free (bool free_inventory)
937	{	902	{
938	if (QUERY_FLAG (this, FLAG_FREED))	903	attachable::do_destroy ();
		904
		905	if (flag [FLAG_IS_LINKED])
		906	remove_button_link (this);
		907
		908	if (flag [FLAG_FRIENDLY])
		909	remove_friendly_object (this);
		910
		911	if (!flag [FLAG_REMOVED])
		912	remove ();
		913
		914	destroy_inv (true);
		915
		916	deactivate ();
		917	unlink ();
		918
		919	flag [FLAG_FREED] = 1;
		920
		921	// hack to ensure that freed objects still have a valid map
		922	{
		923	static maptile *freed_map; // freed objects are moved here to avoid crashes
		924
		925	if (!freed_map)
		926	{
		927	freed_map = new maptile;
		928
		929	freed_map->name = "/internal/freed_objects_map";
		930	freed_map->width = 3;
		931	freed_map->height = 3;
		932
		933	freed_map->alloc ();
		934	freed_map->in_memory = MAP_IN_MEMORY;
		935	}
		936
		937	map = freed_map;
		938	x = 1;
		939	y = 1;
		940	}
		941
		942	if (more)
		943	{
		944	more->destroy ();
		945	more = 0;
		946	}
		947
		948	head = 0;
		949
		950	// clear those pointers that likely might cause circular references
		951	owner = 0;
		952	enemy = 0;
		953	attacked_by = 0;
		954	current_weapon = 0;
		955	}
		956
		957	void
		958	object::destroy (bool destroy_inventory)
		959	{
		960	if (destroyed ())
939	return;	961	return;
940		962
941	if (QUERY_FLAG (this, FLAG_FRIENDLY))	963	if (destroy_inventory)
942	remove_friendly_object (this);	964	destroy_inv (false);
943		965
944	if (!QUERY_FLAG (this, FLAG_REMOVED))	966	attachable::destroy ();
945	remove_ob (this);
946
947	SET_FLAG (this, FLAG_FREED);
948
949	if (more)
950	{
951	more->free (free_inventory);
952	more = 0;
953	}
954
955	if (inv)
956	{
957	/* Only if the space blocks everything do we not process -
958	* if some form of movement is allowed, let objects
959	* drop on that space.
960	*/
961	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
962	{
963	object *op = inv;
964
965	while (op)
966	{
967	object *tmp = op->below;
968	op->free (free_inventory);
969	op = tmp;
970	}
971	}
972	else
973	{ /* Put objects in inventory onto this space */
974	object *op = inv;
975
976	while (op)
977	{
978	object *tmp = op->below;
979
980	remove_ob (op);
981
982	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
983	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
984	free_object (op);
985	else
986	{
987	op->x = x;
988	op->y = y;
989	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
990	}
991
992	op = tmp;
993	}
994	}
995	}
996
997	owner = 0;
998
999	/* Remove object from the active list */
1000	speed = 0;
1001	update_ob_speed (this);
1002
1003	unlink ();
1004
1005	mortals.push_back (this);
1006	}	967	}
1007		968
1008	/*	969	/*
1009	* sub_weight() recursively (outwards) subtracts a number from the	970	* sub_weight() recursively (outwards) subtracts a number from the
1010	* weight of an object (and what is carried by it's environment(s)).	971	* weight of an object (and what is carried by it's environment(s)).
1011	*/	972	*/
1012
1013	void	973	void
1014	sub_weight (object *op, signed long weight)	974	sub_weight (object *op, signed long weight)
1015	{	975	{
1016	while (op != NULL)	976	while (op != NULL)
1017	{	977	{
1018	if (op->type == CONTAINER)	978	if (op->type == CONTAINER)
1019	{
1020	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	979	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1021	}	980
1022	op->carrying -= weight;	981	op->carrying -= weight;
1023	op = op->env;	982	op = op->env;
1024	}	983	}
1025	}	984	}
1026		985
1027	/* remove_ob(op):	986	/* op->remove ():
1028	* This function removes the object op from the linked list of objects	987	* This function removes the object op from the linked list of objects
1029	* which it is currently tied to. When this function is done, the	988	* which it is currently tied to. When this function is done, the
1030	* object will have no environment. If the object previously had an	989	* object will have no environment. If the object previously had an
1031	* environment, the x and y coordinates will be updated to	990	* environment, the x and y coordinates will be updated to
1032	* the previous environment.	991	* the previous environment.
1033	* Beware: This function is called from the editor as well!
1034	*/	992	*/
1035
1036	void	993	void
1037	remove_ob (object *op)	994	object::do_remove ()
1038	{	995	{
		996	object *tmp, *last = 0;
1039	object *	997	object *otmp;
1040	tmp, *
1041	last = NULL;
1042	object *
1043	otmp;
1044		998
1045	tag_t
1046	tag;
1047	int
1048	check_walk_off;
1049	mapstruct *
1050	m;
1051
1052	sint16
1053	x,
1054	y;
1055
1056	if (QUERY_FLAG (op, FLAG_REMOVED))	999	if (QUERY_FLAG (this, FLAG_REMOVED))
1057	return;	1000	return;
1058		1001
1059	SET_FLAG (op, FLAG_REMOVED);	1002	SET_FLAG (this, FLAG_REMOVED);
		1003	INVOKE_OBJECT (REMOVE, this);
1060		1004
1061	if (op->more != NULL)	1005	if (more)
1062	remove_ob (op->more);	1006	more->remove ();
1063		1007
1064	/*	1008	/*
1065	* In this case, the object to be removed is in someones	1009	* In this case, the object to be removed is in someones
1066	* inventory.	1010	* inventory.
1067	*/	1011	*/
1068	if (op->env != NULL)	1012	if (env)
1069	{	1013	{
1070	if (op->nrof)	1014	if (nrof)
1071	sub_weight (op->env, op->weight * op->nrof);	1015	sub_weight (env, weight * nrof);
1072	else	1016	else
1073	sub_weight (op->env, op->weight + op->carrying);	1017	sub_weight (env, weight + carrying);
1074		1018
1075	/* NO_FIX_PLAYER is set when a great many changes are being	1019	/* NO_FIX_PLAYER is set when a great many changes are being
1076	* made to players inventory. If set, avoiding the call	1020	* made to players inventory. If set, avoiding the call
1077	* to save cpu time.	1021	* to save cpu time.
1078	*/	1022	*/
1079	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1023	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1080	fix_player (otmp);	1024	otmp->update_stats ();
1081		1025
1082	if (op->above != NULL)	1026	if (above)
1083	op->above->below = op->below;	1027	above->below = below;
1084	else	1028	else
1085	op->env->inv = op->below;	1029	env->inv = below;
1086		1030
1087	if (op->below != NULL)	1031	if (below)
1088	op->below->above = op->above;	1032	below->above = above;
1089		1033
1090	/* we set up values so that it could be inserted into	1034	/* we set up values so that it could be inserted into
1091	* the map, but we don't actually do that - it is up	1035	* the map, but we don't actually do that - it is up
1092	* to the caller to decide what we want to do.	1036	* to the caller to decide what we want to do.
1093	*/	1037	*/
1094	op->x = op->env->x, op->y = op->env->y;	1038	x = env->x, y = env->y;
1095	op->map = op->env->map;	1039	map = env->map;
1096	op->above = NULL, op->below = NULL;	1040	above = 0, below = 0;
1097	op->env = NULL;	1041	env = 0;
1098	}	1042	}
1099	else if (op->map)	1043	else if (map)
1100	{	1044	{
1101	x = op->x;	1045	if (type == PLAYER)
1102	y = op->y;
1103	m = get_map_from_coord (op->map, &x, &y);
1104
1105	if (!m)
1106	{	1046	{
1107	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",	1047	// leaving a spot always closes any open container on the ground
1108	op->map->path, op->x, op->y);	1048	if (container && !container->env)
1109	/* in old days, we used to set x and y to 0 and continue.	1049	// this causes spurious floorbox updates, but it ensures
1110	* it seems if we get into this case, something is probablye	1050	// that the CLOSE event is being sent.
1111	* screwed up and should be fixed.	1051	close_container ();
1112	*/	1052
1113	abort ();	1053	--map->players;
		1054	map->touch ();
1114	}	1055	}
1115		1056
1116	if (op->map != m)	1057	map->dirty = true;
1117	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	1058	mapspace &ms = this->ms ();
1118	op->map->path, m->path, op->x, op->y, x, y);
1119
1120	/* Re did the following section of code - it looks like it had
1121	* lots of logic for things we no longer care about
1122	*/
1123		1059
1124	/* link the object above us */	1060	/* link the object above us */
1125	if (op->above)	1061	if (above)
1126	op->above->below = op->below;	1062	above->below = below;
1127	else	1063	else
1128	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1064	ms.top = below; /* we were top, set new top */
1129		1065
1130	/* Relink the object below us, if there is one */	1066	/* Relink the object below us, if there is one */
1131	if (op->below)	1067	if (below)
1132	op->below->above = op->above;	1068	below->above = above;
1133	else	1069	else
1134	{	1070	{
1135	/* Nothing below, which means we need to relink map object for this space	1071	/* Nothing below, which means we need to relink map object for this space
1136	* use translated coordinates in case some oddness with map tiling is	1072	* use translated coordinates in case some oddness with map tiling is
1137	* evident	1073	* evident
1138	*/	1074	*/
1139	if (GET_MAP_OB (m, x, y) != op)	1075	if (GET_MAP_OB (map, x, y) != this)
1140	{
1141	dump_object (op);
1142	LOG (llevError,
1143	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", errmsg);	1076	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1144	dump_object (GET_MAP_OB (m, x, y));
1145	LOG (llevError, "%s\n", errmsg);
1146	}
1147		1077
1148	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */	1078	ms.bot = above; /* goes on above it. */
1149	}	1079	}
1150		1080
1151	op->above = 0;	1081	above = 0;
1152	op->below = 0;	1082	below = 0;
1153		1083
1154	if (op->map->in_memory == MAP_SAVING)	1084	if (map->in_memory == MAP_SAVING)
1155	return;	1085	return;
1156		1086
1157	tag = op->count;	1087	int check_walk_off = !flag [FLAG_NO_APPLY];
1158	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1159		1088
1160	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1089	for (tmp = ms.bot; tmp; tmp = tmp->above)
1161	{	1090	{
1162	/* No point updating the players look faces if he is the object	1091	/* No point updating the players look faces if he is the object
1163	* being removed.	1092	* being removed.
1164	*/	1093	*/
1165		1094
1166	if (tmp->type == PLAYER && tmp != op)	1095	if (tmp->type == PLAYER && tmp != this)
1167	{	1096	{
1168	/* If a container that the player is currently using somehow gets	1097	/* If a container that the player is currently using somehow gets
1169	* removed (most likely destroyed), update the player view	1098	* removed (most likely destroyed), update the player view
1170	* appropriately.	1099	* appropriately.
1171	*/	1100	*/
1172	if (tmp->container == op)	1101	if (tmp->container == this)
1173	{	1102	{
1174	CLEAR_FLAG (op, FLAG_APPLIED);	1103	flag [FLAG_APPLIED] = 0;
1175	tmp->container = NULL;	1104	tmp->container = 0;
1176	}	1105	}
1177		1106
1178	tmp->contr->socket.update_look = 1;	1107	if (tmp->contr->ns)
		1108	tmp->contr->ns->floorbox_update ();
1179	}	1109	}
1180		1110
1181	/* See if player moving off should effect something */	1111	/* See if object moving off should effect something */
1182	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1112	if (check_walk_off
		1113	&& ((move_type & tmp->move_off)
		1114	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1183	{	1115	{
1184	move_apply (tmp, op, NULL);	1116	move_apply (tmp, this, 0);
1185		1117
1186	if (was_destroyed (op, tag))	1118	if (destroyed ())
1187	{
1188	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);	1119	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1189	}
1190	}	1120	}
1191
1192	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1193
1194	if (tmp->above == tmp)
1195	tmp->above = NULL;
1196		1121
1197	last = tmp;	1122	last = tmp;
1198	}	1123	}
1199		1124
1200	/* last == NULL of there are no objects on this space */	1125	/* last == NULL if there are no objects on this space */
		1126	//TODO: this makes little sense, why only update the topmost object?
1201	if (last == NULL)	1127	if (!last)
1202	{	1128	map->at (x, y).flags_ = 0;
1203	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1204	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1205	* those out anyways, and if there are any flags set right now, they won't
1206	* be correct anyways.
1207	*/
1208	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1209	update_position (op->map, op->x, op->y);
1210	}
1211	else	1129	else
1212	update_object (last, UP_OBJ_REMOVE);	1130	update_object (last, UP_OBJ_REMOVE);
1213		1131
1214	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1132	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1215	update_all_los (op->map, op->x, op->y);	1133	update_all_los (map, x, y);
1216	}	1134	}
1217	}	1135	}
1218		1136
1219	/*	1137	/*
1220	* merge_ob(op,top):	1138	* merge_ob(op,top):
…		…
1222	* This function goes through all objects below and including top, and	1140	* This function goes through all objects below and including top, and
1223	* merges op to the first matching object.	1141	* merges op to the first matching object.
1224	* If top is NULL, it is calculated.	1142	* If top is NULL, it is calculated.
1225	* Returns pointer to object if it succeded in the merge, otherwise NULL	1143	* Returns pointer to object if it succeded in the merge, otherwise NULL
1226	*/	1144	*/
1227
1228	object *	1145	object *
1229	merge_ob (object *op, object *top)	1146	merge_ob (object *op, object *top)
1230	{	1147	{
1231	if (!op->nrof)	1148	if (!op->nrof)
1232	return 0;	1149	return 0;
1233		1150
1234	if (top == NULL)	1151	if (top)
1235	for (top = op; top != NULL && top->above != NULL; top = top->above);	1152	for (top = op; top && top->above; top = top->above)
		1153	;
1236		1154
1237	for (; top != NULL; top = top->below)	1155	for (; top; top = top->below)
1238	{	1156	{
1239	if (top == op)	1157	if (top == op)
1240	continue;	1158	continue;
1241	if (CAN_MERGE (op, top))	1159
		1160	if (object::can_merge (op, top))
1242	{	1161	{
1243	top->nrof += op->nrof;	1162	top->nrof += op->nrof;
1244		1163
1245	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1164	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1246	op->weight = 0; /* Don't want any adjustements now */	1165	op->weight = 0; /* Don't want any adjustements now */
1247	remove_ob (op);	1166	op->destroy ();
1248	free_object (op);
1249	return top;	1167	return top;
1250	}	1168	}
1251	}	1169	}
1252		1170
1253	return NULL;	1171	return 0;
1254	}	1172	}
1255		1173
		1174	void
		1175	object::expand_tail ()
		1176	{
		1177	if (more)
		1178	return;
		1179
		1180	object *prev = this;
		1181
		1182	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1183	{
		1184	object *op = arch_to_object (at);
		1185
		1186	op->name = name;
		1187	op->name_pl = name_pl;
		1188	op->title = title;
		1189
		1190	op->head = this;
		1191	prev->more = op;
		1192
		1193	prev = op;
		1194	}
		1195	}
		1196
1256	/*	1197	/*
1257	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1198	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1258	* job preparing multi-part monsters	1199	* job preparing multi-part monsters.
1259	*/	1200	*/
1260	object *	1201	object *
1261	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1202	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1262	{	1203	{
1263	object *tmp;
1264
1265	if (op->head)
1266	op = op->head;
1267
1268	for (tmp = op; tmp; tmp = tmp->more)	1204	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1269	{	1205	{
1270	tmp->x = x + tmp->arch->clone.x;	1206	tmp->x = x + tmp->arch->x;
1271	tmp->y = y + tmp->arch->clone.y;	1207	tmp->y = y + tmp->arch->y;
1272	}	1208	}
1273		1209
1274	return insert_ob_in_map (op, m, originator, flag);	1210	return insert_ob_in_map (op, m, originator, flag);
1275	}	1211	}
1276		1212
…		…
1292	* Return value:	1228	* Return value:
1293	* new object if 'op' was merged with other object	1229	* new object if 'op' was merged with other object
1294	* NULL if 'op' was destroyed	1230	* NULL if 'op' was destroyed
1295	* just 'op' otherwise	1231	* just 'op' otherwise
1296	*/	1232	*/
1297
1298	object *	1233	object *
1299	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1234	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1300	{	1235	{
		1236	assert (!op->flag [FLAG_FREED]);
		1237
1301	object *tmp, *top, *floor = NULL;	1238	object *top, *floor = NULL;
1302	sint16 x, y;
1303		1239
1304	if (QUERY_FLAG (op, FLAG_FREED))	1240	op->remove ();
1305	{
1306	LOG (llevError, "Trying to insert freed object!\n");
1307	return NULL;
1308	}
1309		1241
1310	if (m == NULL)	1242	#if 0
1311	{	1243	if (!m->active != !op->active)
1312	dump_object (op);	1244	if (m->active)
1313	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);	1245	op->activate_recursive ();
1314	return op;	1246	else
1315	}	1247	op->deactivate_recursive ();
		1248	#endif
1316		1249
1317	if (out_of_map (m, op->x, op->y))	1250	if (out_of_map (m, op->x, op->y))
1318	{	1251	{
1319	dump_object (op);
1320	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);	1252	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1321	#ifdef MANY_CORES	1253	#ifdef MANY_CORES
1322	/* Better to catch this here, as otherwise the next use of this object	1254	/* Better to catch this here, as otherwise the next use of this object
1323	* is likely to cause a crash. Better to find out where it is getting	1255	* is likely to cause a crash. Better to find out where it is getting
1324	* improperly inserted.	1256	* improperly inserted.
1325	*/	1257	*/
1326	abort ();	1258	abort ();
1327	#endif	1259	#endif
1328	return op;	1260	return op;
1329	}	1261	}
1330		1262
1331	if (!QUERY_FLAG (op, FLAG_REMOVED))	1263	if (object *more = op->more)
1332	{	1264	if (!insert_ob_in_map (more, m, originator, flag))
1333	dump_object (op);
1334	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1335	return op;	1265	return 0;
1336	}
1337
1338	if (op->more != NULL)
1339	{
1340	/* The part may be on a different map. */
1341
1342	object *more = op->more;
1343
1344	/* We really need the caller to normalize coordinates - if
1345	* we set the map, that doesn't work if the location is within
1346	* a map and this is straddling an edge. So only if coordinate
1347	* is clear wrong do we normalize it.
1348	*/
1349	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1350	more->map = get_map_from_coord (m, &more->x, &more->y);
1351	else if (!more->map)
1352	{
1353	/* For backwards compatibility - when not dealing with tiled maps,
1354	* more->map should always point to the parent.
1355	*/
1356	more->map = m;
1357	}
1358
1359	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1360	{
1361	if (!op->head)
1362	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1363
1364	return NULL;
1365	}
1366	}
1367		1266
1368	CLEAR_FLAG (op, FLAG_REMOVED);	1267	CLEAR_FLAG (op, FLAG_REMOVED);
1369		1268
1370	/* Ideally, the caller figures this out. However, it complicates a lot	1269	/* Ideally, the caller figures this out. However, it complicates a lot
1371	* of areas of callers (eg, anything that uses find_free_spot would now	1270	* of areas of callers (eg, anything that uses find_free_spot would now
1372	* need extra work	1271	* need extra work
1373	*/	1272	*/
1374	op->map = get_map_from_coord (m, &op->x, &op->y);	1273	if (!xy_normalise (m, op->x, op->y))
1375	x = op->x;	1274	return 0;
1376	y = op->y;	1275
		1276	op->map = m;
		1277	mapspace &ms = op->ms ();
1377		1278
1378	/* this has to be done after we translate the coordinates.	1279	/* this has to be done after we translate the coordinates.
1379	*/	1280	*/
1380	if (op->nrof && !(flag & INS_NO_MERGE))	1281	if (op->nrof && !(flag & INS_NO_MERGE))
1381	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1282	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1382	if (CAN_MERGE (op, tmp))	1283	if (object::can_merge (op, tmp))
1383	{	1284	{
1384	op->nrof += tmp->nrof;	1285	op->nrof += tmp->nrof;
1385	remove_ob (tmp);	1286	tmp->destroy ();
1386	free_object (tmp);
1387	}	1287	}
1388		1288
1389	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1289	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1390	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1290	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1391		1291
…		…
1404	op->below = originator->below;	1304	op->below = originator->below;
1405		1305
1406	if (op->below)	1306	if (op->below)
1407	op->below->above = op;	1307	op->below->above = op;
1408	else	1308	else
1409	SET_MAP_OB (op->map, op->x, op->y, op);	1309	ms.bot = op;
1410		1310
1411	/* since *below* originator, no need to update top */	1311	/* since *below* originator, no need to update top */
1412	originator->below = op;	1312	originator->below = op;
1413	}	1313	}
1414	else	1314	else
1415	{	1315	{
		1316	top = ms.bot;
		1317
1416	/* If there are other objects, then */	1318	/* If there are other objects, then */
1417	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1319	if ((!(flag & INS_MAP_LOAD)) && top)
1418	{	1320	{
1419	object *last = NULL;	1321	object *last = 0;
1420		1322
1421	/*	1323	/*
1422	* If there are multiple objects on this space, we do some trickier handling.	1324	* If there are multiple objects on this space, we do some trickier handling.
1423	* We've already dealt with merging if appropriate.	1325	* We've already dealt with merging if appropriate.
1424	* Generally, we want to put the new object on top. But if	1326	* Generally, we want to put the new object on top. But if
…		…
1428	* once we get to them. This reduces the need to traverse over all of	1330	* once we get to them. This reduces the need to traverse over all of
1429	* them when adding another one - this saves quite a bit of cpu time	1331	* them when adding another one - this saves quite a bit of cpu time
1430	* when lots of spells are cast in one area. Currently, it is presumed	1332	* when lots of spells are cast in one area. Currently, it is presumed
1431	* that flying non pickable objects are spell objects.	1333	* that flying non pickable objects are spell objects.
1432	*/	1334	*/
1433		1335	for (top = ms.bot; top; top = top->above)
1434	while (top != NULL)
1435	{	1336	{
1436	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1337	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1437	floor = top;	1338	floor = top;
1438		1339
1439	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1340	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1442	top = top->below;	1343	top = top->below;
1443	break;	1344	break;
1444	}	1345	}
1445		1346
1446	last = top;	1347	last = top;
1447	top = top->above;
1448	}	1348	}
1449		1349
1450	/* Don't want top to be NULL, so set it to the last valid object */	1350	/* Don't want top to be NULL, so set it to the last valid object */
1451	top = last;	1351	top = last;
1452		1352
…		…
1454	* looks like instead of lots of conditions here.	1354	* looks like instead of lots of conditions here.
1455	* makes things faster, and effectively the same result.	1355	* makes things faster, and effectively the same result.
1456	*/	1356	*/
1457		1357
1458	/* Have object 'fall below' other objects that block view.	1358	/* Have object 'fall below' other objects that block view.
1459	* Unless those objects are exits, type 66	1359	* Unless those objects are exits.
1460	* If INS_ON_TOP is used, don't do this processing	1360	* If INS_ON_TOP is used, don't do this processing
1461	* Need to find the object that in fact blocks view, otherwise	1361	* Need to find the object that in fact blocks view, otherwise
1462	* stacking is a bit odd.	1362	* stacking is a bit odd.
1463	*/	1363	*/
1464	if (!(flag & INS_ON_TOP) &&	1364	if (!(flag & INS_ON_TOP)
1465	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1365	&& ms.flags () & P_BLOCKSVIEW
		1366	&& (op->face && !faces [op->face].visibility))
1466	{	1367	{
1467	for (last = top; last != floor; last = last->below)	1368	for (last = top; last != floor; last = last->below)
1468	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1369	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1469	break;	1370	break;
		1371
1470	/* Check to see if we found the object that blocks view,	1372	/* Check to see if we found the object that blocks view,
1471	* and make sure we have a below pointer for it so that	1373	* and make sure we have a below pointer for it so that
1472	* we can get inserted below this one, which requires we	1374	* we can get inserted below this one, which requires we
1473	* set top to the object below us.	1375	* set top to the object below us.
1474	*/	1376	*/
…		…
1476	top = last->below;	1378	top = last->below;
1477	}	1379	}
1478	} /* If objects on this space */	1380	} /* If objects on this space */
1479		1381
1480	if (flag & INS_MAP_LOAD)	1382	if (flag & INS_MAP_LOAD)
1481	top = GET_MAP_TOP (op->map, op->x, op->y);	1383	top = ms.top;
1482		1384
1483	if (flag & INS_ABOVE_FLOOR_ONLY)	1385	if (flag & INS_ABOVE_FLOOR_ONLY)
1484	top = floor;	1386	top = floor;
1485		1387
1486	/* Top is the object that our object (op) is going to get inserted above.	1388	/* Top is the object that our object (op) is going to get inserted above.
1487	*/	1389	*/
1488		1390
1489	/* First object on this space */	1391	/* First object on this space */
1490	if (!top)	1392	if (!top)
1491	{	1393	{
1492	op->above = GET_MAP_OB (op->map, op->x, op->y);	1394	op->above = ms.bot;
1493		1395
1494	if (op->above)	1396	if (op->above)
1495	op->above->below = op;	1397	op->above->below = op;
1496		1398
1497	op->below = NULL;	1399	op->below = 0;
1498	SET_MAP_OB (op->map, op->x, op->y, op);	1400	ms.bot = op;
1499	}	1401	}
1500	else	1402	else
1501	{ /* get inserted into the stack above top */	1403	{ /* get inserted into the stack above top */
1502	op->above = top->above;	1404	op->above = top->above;
1503		1405
…		…
1506		1408
1507	op->below = top;	1409	op->below = top;
1508	top->above = op;	1410	top->above = op;
1509	}	1411	}
1510		1412
1511	if (op->above == NULL)	1413	if (!op->above)
1512	SET_MAP_TOP (op->map, op->x, op->y, op);	1414	ms.top = op;
1513	} /* else not INS_BELOW_ORIGINATOR */	1415	} /* else not INS_BELOW_ORIGINATOR */
1514		1416
1515	if (op->type == PLAYER)	1417	if (op->type == PLAYER)
		1418	{
1516	op->contr->do_los = 1;	1419	op->contr->do_los = 1;
		1420	++op->map->players;
		1421	op->map->touch ();
		1422	}
		1423
		1424	op->map->dirty = true;
1517		1425
1518	/* If we have a floor, we know the player, if any, will be above	1426	/* If we have a floor, we know the player, if any, will be above
1519	* it, so save a few ticks and start from there.	1427	* it, so save a few ticks and start from there.
1520	*/	1428	*/
1521	if (!(flag & INS_MAP_LOAD))	1429	if (!(flag & INS_MAP_LOAD))
1522	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1430	if (object *pl = ms.player ())
1523	if (tmp->type == PLAYER)	1431	if (pl->contr->ns)
1524	tmp->contr->socket.update_look = 1;	1432	pl->contr->ns->floorbox_update ();
1525		1433
1526	/* If this object glows, it may affect lighting conditions that are	1434	/* If this object glows, it may affect lighting conditions that are
1527	* visible to others on this map. But update_all_los is really	1435	* visible to others on this map. But update_all_los is really
1528	* an inefficient way to do this, as it means los for all players	1436	* an inefficient way to do this, as it means los for all players
1529	* on the map will get recalculated. The players could very well	1437	* on the map will get recalculated. The players could very well
1530	* be far away from this change and not affected in any way -	1438	* be far away from this change and not affected in any way -
1531	* this should get redone to only look for players within range,	1439	* this should get redone to only look for players within range,
1532	* or just updating the P_NEED_UPDATE for spaces within this area	1440	* or just updating the P_UPTODATE for spaces within this area
1533	* of effect may be sufficient.	1441	* of effect may be sufficient.
1534	*/	1442	*/
1535	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1443	if (op->map->darkness && (op->glow_radius != 0))
1536	update_all_los (op->map, op->x, op->y);	1444	update_all_los (op->map, op->x, op->y);
1537		1445
1538	/* updates flags (blocked, alive, no magic, etc) for this map space */	1446	/* updates flags (blocked, alive, no magic, etc) for this map space */
1539	update_object (op, UP_OBJ_INSERT);	1447	update_object (op, UP_OBJ_INSERT);
1540		1448
		1449	INVOKE_OBJECT (INSERT, op);
		1450
1541	/* Don't know if moving this to the end will break anything. However,	1451	/* Don't know if moving this to the end will break anything. However,
1542	* we want to have update_look set above before calling this.	1452	* we want to have floorbox_update called before calling this.
1543	*	1453	*
1544	* check_move_on() must be after this because code called from	1454	* check_move_on() must be after this because code called from
1545	* check_move_on() depends on correct map flags (so functions like	1455	* check_move_on() depends on correct map flags (so functions like
1546	* blocked() and wall() work properly), and these flags are updated by	1456	* blocked() and wall() work properly), and these flags are updated by
1547	* update_object().	1457	* update_object().
1548	*/	1458	*/
1549		1459
1550	/* if this is not the head or flag has been passed, don't check walk on status */	1460	/* if this is not the head or flag has been passed, don't check walk on status */
1551	if (!(flag & INS_NO_WALK_ON) && !op->head)	1461	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1552	{	1462	{
1553	if (check_move_on (op, originator))	1463	if (check_move_on (op, originator))
1554	return NULL;	1464	return 0;
1555		1465
1556	/* If we are a multi part object, lets work our way through the check	1466	/* If we are a multi part object, lets work our way through the check
1557	* walk on's.	1467	* walk on's.
1558	*/	1468	*/
1559	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1469	for (object *tmp = op->more; tmp; tmp = tmp->more)
1560	if (check_move_on (tmp, originator))	1470	if (check_move_on (tmp, originator))
1561	return NULL;	1471	return 0;
1562	}	1472	}
1563		1473
1564	return op;	1474	return op;
1565	}	1475	}
1566		1476
1567	/* this function inserts an object in the map, but if it	1477	/* this function inserts an object in the map, but if it
1568	* finds an object of its own type, it'll remove that one first.	1478	* finds an object of its own type, it'll remove that one first.
1569	* op is the object to insert it under: supplies x and the map.	1479	* op is the object to insert it under: supplies x and the map.
1570	*/	1480	*/
1571	void	1481	void
1572	replace_insert_ob_in_map (const char *arch_string, object *op)	1482	replace_insert_ob_in_map (const char *arch_string, object *op)
1573	{	1483	{
1574	object *	1484	object *tmp, *tmp1;
1575	tmp;
1576	object *
1577	tmp1;
1578		1485
1579	/* first search for itself and remove any old instances */	1486	/* first search for itself and remove any old instances */
1580		1487
1581	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1488	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1582	{
1583	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1489	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1584	{	1490	tmp->destroy ();
1585	remove_ob (tmp);
1586	free_object (tmp);
1587	}
1588	}
1589		1491
1590	tmp1 = arch_to_object (find_archetype (arch_string));	1492	tmp1 = arch_to_object (archetype::find (arch_string));
1591		1493
1592	tmp1->x = op->x;	1494	tmp1->x = op->x;
1593	tmp1->y = op->y;	1495	tmp1->y = op->y;
1594	insert_ob_in_map (tmp1, op->map, op, 0);	1496	insert_ob_in_map (tmp1, op->map, op, 0);
		1497	}
		1498
		1499	object *
		1500	object::insert_at (object *where, object *originator, int flags)
		1501	{
		1502	return where->map->insert (this, where->x, where->y, originator, flags);
1595	}	1503	}
1596		1504
1597	/*	1505	/*
1598	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1506	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1599	* is returned contains nr objects, and the remaining parts contains	1507	* is returned contains nr objects, and the remaining parts contains
1600	* the rest (or is removed and freed if that number is 0).	1508	* the rest (or is removed and freed if that number is 0).
1601	* On failure, NULL is returned, and the reason put into the	1509	* On failure, NULL is returned, and the reason put into the
1602	* global static errmsg array.	1510	* global static errmsg array.
1603	*/	1511	*/
1604
1605	object *	1512	object *
1606	get_split_ob (object *orig_ob, uint32 nr)	1513	get_split_ob (object *orig_ob, uint32 nr)
1607	{	1514	{
1608	object *	1515	object *newob;
1609	newob;
1610	int
1611	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1516	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1612		1517
1613	if (orig_ob->nrof < nr)	1518	if (orig_ob->nrof < nr)
1614	{	1519	{
1615	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1520	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1616	return NULL;	1521	return NULL;
1617	}	1522	}
1618		1523
1619	newob = object_create_clone (orig_ob);	1524	newob = object_create_clone (orig_ob);
1620		1525
1621	if ((orig_ob->nrof -= nr) < 1)	1526	if ((orig_ob->nrof -= nr) < 1)
1622	{	1527	orig_ob->destroy (1);
1623	if (!is_removed)
1624	remove_ob (orig_ob);
1625	free_object2 (orig_ob, 1);
1626	}
1627	else if (!is_removed)	1528	else if (!is_removed)
1628	{	1529	{
1629	if (orig_ob->env != NULL)	1530	if (orig_ob->env != NULL)
1630	sub_weight (orig_ob->env, orig_ob->weight * nr);	1531	sub_weight (orig_ob->env, orig_ob->weight * nr);
1631	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1532	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1646	* the amount of an object. If the amount reaches 0, the object	1547	* the amount of an object. If the amount reaches 0, the object
1647	* is subsequently removed and freed.	1548	* is subsequently removed and freed.
1648	*	1549	*
1649	* Return value: 'op' if something is left, NULL if the amount reached 0	1550	* Return value: 'op' if something is left, NULL if the amount reached 0
1650	*/	1551	*/
1651
1652	object *	1552	object *
1653	decrease_ob_nr (object *op, uint32 i)	1553	decrease_ob_nr (object *op, uint32 i)
1654	{	1554	{
1655	object *tmp;	1555	object *tmp;
1656	player *pl;
1657		1556
1658	if (i == 0) /* objects with op->nrof require this check */	1557	if (i == 0) /* objects with op->nrof require this check */
1659	return op;	1558	return op;
1660		1559
1661	if (i > op->nrof)	1560	if (i > op->nrof)
1662	i = op->nrof;	1561	i = op->nrof;
1663		1562
1664	if (QUERY_FLAG (op, FLAG_REMOVED))	1563	if (QUERY_FLAG (op, FLAG_REMOVED))
1665	op->nrof -= i;	1564	op->nrof -= i;
1666	else if (op->env != NULL)	1565	else if (op->env)
1667	{	1566	{
1668	/* is this object in the players inventory, or sub container	1567	/* is this object in the players inventory, or sub container
1669	* therein?	1568	* therein?
1670	*/	1569	*/
1671	tmp = is_player_inv (op->env);	1570	tmp = op->in_player ();
1672	/* nope. Is this a container the player has opened?	1571	/* nope. Is this a container the player has opened?
1673	* If so, set tmp to that player.	1572	* If so, set tmp to that player.
1674	* IMO, searching through all the players will mostly	1573	* IMO, searching through all the players will mostly
1675	* likely be quicker than following op->env to the map,	1574	* likely be quicker than following op->env to the map,
1676	* and then searching the map for a player.	1575	* and then searching the map for a player.
1677	*/	1576	*/
1678	if (!tmp)	1577	if (!tmp)
1679	{	1578	for_all_players (pl)
1680	for (pl = first_player; pl; pl = pl->next)
1681	if (pl->ob->container == op->env)	1579	if (pl->ob->container == op->env)
		1580	{
		1581	tmp = pl->ob;
1682	break;	1582	break;
1683	if (pl)
1684	tmp = pl->ob;
1685	else
1686	tmp = NULL;
1687	}	1583	}
1688		1584
1689	if (i < op->nrof)	1585	if (i < op->nrof)
1690	{	1586	{
1691	sub_weight (op->env, op->weight * i);	1587	sub_weight (op->env, op->weight * i);
1692	op->nrof -= i;	1588	op->nrof -= i;
1693	if (tmp)	1589	if (tmp)
1694	{
1695	esrv_send_item (tmp, op);	1590	esrv_send_item (tmp, op);
1696	}
1697	}	1591	}
1698	else	1592	else
1699	{	1593	{
1700	remove_ob (op);	1594	op->remove ();
1701	op->nrof = 0;	1595	op->nrof = 0;
1702	if (tmp)	1596	if (tmp)
1703	{
1704	esrv_del_item (tmp->contr, op->count);	1597	esrv_del_item (tmp->contr, op->count);
1705	}
1706	}	1598	}
1707	}	1599	}
1708	else	1600	else
1709	{	1601	{
1710	object *above = op->above;	1602	object *above = op->above;
1711		1603
1712	if (i < op->nrof)	1604	if (i < op->nrof)
1713	op->nrof -= i;	1605	op->nrof -= i;
1714	else	1606	else
1715	{	1607	{
1716	remove_ob (op);	1608	op->remove ();
1717	op->nrof = 0;	1609	op->nrof = 0;
1718	}	1610	}
1719		1611
1720	/* Since we just removed op, op->above is null */	1612	/* Since we just removed op, op->above is null */
1721	for (tmp = above; tmp != NULL; tmp = tmp->above)	1613	for (tmp = above; tmp; tmp = tmp->above)
1722	if (tmp->type == PLAYER)	1614	if (tmp->type == PLAYER)
1723	{	1615	{
1724	if (op->nrof)	1616	if (op->nrof)
1725	esrv_send_item (tmp, op);	1617	esrv_send_item (tmp, op);
1726	else	1618	else
…		…
1730		1622
1731	if (op->nrof)	1623	if (op->nrof)
1732	return op;	1624	return op;
1733	else	1625	else
1734	{	1626	{
1735	free_object (op);	1627	op->destroy ();
1736	return NULL;	1628	return 0;
1737	}	1629	}
1738	}	1630	}
1739		1631
1740	/*	1632	/*
1741	* add_weight(object, weight) adds the specified weight to an object,	1633	* add_weight(object, weight) adds the specified weight to an object,
1742	* and also updates how much the environment(s) is/are carrying.	1634	* and also updates how much the environment(s) is/are carrying.
1743	*/	1635	*/
1744
1745	void	1636	void
1746	add_weight (object *op, signed long weight)	1637	add_weight (object *op, signed long weight)
1747	{	1638	{
1748	while (op != NULL)	1639	while (op != NULL)
1749	{	1640	{
…		…
1753	op->carrying += weight;	1644	op->carrying += weight;
1754	op = op->env;	1645	op = op->env;
1755	}	1646	}
1756	}	1647	}
1757		1648
		1649	object *
		1650	insert_ob_in_ob (object *op, object *where)
		1651	{
		1652	if (!where)
		1653	{
		1654	char *dump = dump_object (op);
		1655	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1656	free (dump);
		1657	return op;
		1658	}
		1659
		1660	if (where->head_ () != where)
		1661	{
		1662	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1663	where = where->head;
		1664	}
		1665
		1666	return where->insert (op);
		1667	}
		1668
1758	/*	1669	/*
1759	* insert_ob_in_ob(op,environment):	1670	* env->insert (op)
1760	* This function inserts the object op in the linked list	1671	* This function inserts the object op in the linked list
1761	* inside the object environment.	1672	* inside the object environment.
1762	*	1673	*
1763	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1764	* the inventory at the last position or next to other objects of the same
1765	* type.
1766	* Frank: Now sorted by type, archetype and magic!
1767	*
1768	* The function returns now pointer to inserted item, and return value can	1674	* The function returns now pointer to inserted item, and return value can
1769	* be != op, if items are merged. -Tero	1675	* be != op, if items are merged. -Tero
1770	*/	1676	*/
1771
1772	object *	1677	object *
1773	insert_ob_in_ob (object *op, object *where)	1678	object::insert (object *op)
1774	{	1679	{
1775	object *	1680	object *tmp, *otmp;
1776	tmp, *
1777	otmp;
1778		1681
1779	if (!QUERY_FLAG (op, FLAG_REMOVED))	1682	if (!QUERY_FLAG (op, FLAG_REMOVED))
1780	{	1683	op->remove ();
1781	dump_object (op);
1782	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1783	return op;
1784	}
1785
1786	if (where == NULL)
1787	{
1788	dump_object (op);
1789	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1790	return op;
1791	}
1792
1793	if (where->head)
1794	{
1795	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1796	where = where->head;
1797	}
1798		1684
1799	if (op->more)	1685	if (op->more)
1800	{	1686	{
1801	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1687	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1802	return op;	1688	return op;
…		…
1804		1690
1805	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1691	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1806	CLEAR_FLAG (op, FLAG_REMOVED);	1692	CLEAR_FLAG (op, FLAG_REMOVED);
1807	if (op->nrof)	1693	if (op->nrof)
1808	{	1694	{
1809	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1695	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1810	if (CAN_MERGE (tmp, op))	1696	if (object::can_merge (tmp, op))
1811	{	1697	{
1812	/* return the original object and remove inserted object	1698	/* return the original object and remove inserted object
1813	(client needs the original object) */	1699	(client needs the original object) */
1814	tmp->nrof += op->nrof;	1700	tmp->nrof += op->nrof;
1815	/* Weight handling gets pretty funky. Since we are adding to	1701	/* Weight handling gets pretty funky. Since we are adding to
1816	* tmp->nrof, we need to increase the weight.	1702	* tmp->nrof, we need to increase the weight.
1817	*/	1703	*/
1818	add_weight (where, op->weight * op->nrof);	1704	add_weight (this, op->weight * op->nrof);
1819	SET_FLAG (op, FLAG_REMOVED);	1705	SET_FLAG (op, FLAG_REMOVED);
1820	free_object (op); /* free the inserted object */	1706	op->destroy (); /* free the inserted object */
1821	op = tmp;	1707	op = tmp;
1822	remove_ob (op); /* and fix old object's links */	1708	op->remove (); /* and fix old object's links */
1823	CLEAR_FLAG (op, FLAG_REMOVED);	1709	CLEAR_FLAG (op, FLAG_REMOVED);
1824	break;	1710	break;
1825	}	1711	}
1826		1712
1827	/* I assume combined objects have no inventory	1713	/* I assume combined objects have no inventory
1828	* We add the weight - this object could have just been removed	1714	* We add the weight - this object could have just been removed
1829	* (if it was possible to merge). calling remove_ob will subtract	1715	* (if it was possible to merge). calling remove_ob will subtract
1830	* the weight, so we need to add it in again, since we actually do	1716	* the weight, so we need to add it in again, since we actually do
1831	* the linking below	1717	* the linking below
1832	*/	1718	*/
1833	add_weight (where, op->weight * op->nrof);	1719	add_weight (this, op->weight * op->nrof);
1834	}	1720	}
1835	else	1721	else
1836	add_weight (where, (op->weight + op->carrying));	1722	add_weight (this, (op->weight + op->carrying));
1837		1723
1838	otmp = is_player_inv (where);	1724	otmp = this->in_player ();
1839	if (otmp && otmp->contr != NULL)	1725	if (otmp && otmp->contr)
1840	{
1841	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1726	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1842	fix_player (otmp);	1727	otmp->update_stats ();
1843	}
1844		1728
1845	op->map = NULL;	1729	op->map = 0;
1846	op->env = where;	1730	op->env = this;
1847	op->above = NULL;	1731	op->above = 0;
1848	op->below = NULL;	1732	op->below = 0;
1849	op->x = 0, op->y = 0;	1733	op->x = 0, op->y = 0;
1850		1734
1851	/* reset the light list and los of the players on the map */	1735	/* reset the light list and los of the players on the map */
1852	if ((op->glow_radius != 0) && where->map)	1736	if ((op->glow_radius != 0) && map)
1853	{	1737	{
1854	#ifdef DEBUG_LIGHTS	1738	#ifdef DEBUG_LIGHTS
1855	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1739	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1856	#endif /* DEBUG_LIGHTS */	1740	#endif /* DEBUG_LIGHTS */
1857	if (MAP_DARKNESS (where->map))	1741	if (map->darkness)
1858	update_all_los (where->map, where->x, where->y);	1742	update_all_los (map, x, y);
1859	}	1743	}
1860		1744
1861	/* Client has no idea of ordering so lets not bother ordering it here.	1745	/* Client has no idea of ordering so lets not bother ordering it here.
1862	* It sure simplifies this function...	1746	* It sure simplifies this function...
1863	*/	1747	*/
1864	if (where->inv == NULL)	1748	if (!inv)
1865	where->inv = op;	1749	inv = op;
1866	else	1750	else
1867	{	1751	{
1868	op->below = where->inv;	1752	op->below = inv;
1869	op->below->above = op;	1753	op->below->above = op;
1870	where->inv = op;	1754	inv = op;
1871	}	1755	}
		1756
		1757	INVOKE_OBJECT (INSERT, this);
		1758
1872	return op;	1759	return op;
1873	}	1760	}
1874		1761
1875	/*	1762	/*
1876	* Checks if any objects has a move_type that matches objects	1763	* Checks if any objects has a move_type that matches objects
…		…
1890	*	1777	*
1891	* MSW 2001-07-08: Check all objects on space, not just those below	1778	* MSW 2001-07-08: Check all objects on space, not just those below
1892	* object being inserted. insert_ob_in_map may not put new objects	1779	* object being inserted. insert_ob_in_map may not put new objects
1893	* on top.	1780	* on top.
1894	*/	1781	*/
1895
1896	int	1782	int
1897	check_move_on (object *op, object *originator)	1783	check_move_on (object *op, object *originator)
1898	{	1784	{
1899	object *	1785	object *tmp;
1900	tmp;	1786	maptile *m = op->map;
1901	tag_t
1902	tag;
1903	mapstruct *
1904	m = op->map;
1905	int
1906	x = op->x, y = op->y;	1787	int x = op->x, y = op->y;
1907		1788
1908	MoveType	1789	MoveType move_on, move_slow, move_block;
1909	move_on,
1910	move_slow,
1911	move_block;
1912		1790
1913	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1791	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1914	return 0;	1792	return 0;
1915
1916	tag = op->count;
1917		1793
1918	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1794	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
1919	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1795	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
1920	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1796	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1921		1797
…		…
1937		1813
1938	/* The objects have to be checked from top to bottom.	1814	/* The objects have to be checked from top to bottom.
1939	* Hence, we first go to the top:	1815	* Hence, we first go to the top:
1940	*/	1816	*/
1941		1817
1942	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1818	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1943	{	1819	{
1944	/* Trim the search when we find the first other spell effect	1820	/* Trim the search when we find the first other spell effect
1945	* this helps performance so that if a space has 50 spell objects,	1821	* this helps performance so that if a space has 50 spell objects,
1946	* we don't need to check all of them.	1822	* we don't need to check all of them.
1947	*/	1823	*/
…		…
1965	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1841	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1966	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1842	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1967	{	1843	{
1968		1844
1969	float	1845	float
1970	diff = tmp->move_slow_penalty * FABS (op->speed);	1846	diff = tmp->move_slow_penalty * fabs (op->speed);
1971		1847
1972	if (op->type == PLAYER)	1848	if (op->type == PLAYER)
1973	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1849	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1974	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1850	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1975	diff /= 4.0;	1851	diff /= 4.0;
…		…
1982	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1858	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1983	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1859	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1984	{	1860	{
1985	move_apply (tmp, op, originator);	1861	move_apply (tmp, op, originator);
1986		1862
1987	if (was_destroyed (op, tag))	1863	if (op->destroyed ())
1988	return 1;	1864	return 1;
1989		1865
1990	/* what the person/creature stepped onto has moved the object	1866	/* what the person/creature stepped onto has moved the object
1991	* someplace new. Don't process any further - if we did,	1867	* someplace new. Don't process any further - if we did,
1992	* have a feeling strange problems would result.	1868	* have a feeling strange problems would result.
…		…
2002	/*	1878	/*
2003	* present_arch(arch, map, x, y) searches for any objects with	1879	* present_arch(arch, map, x, y) searches for any objects with
2004	* a matching archetype at the given map and coordinates.	1880	* a matching archetype at the given map and coordinates.
2005	* The first matching object is returned, or NULL if none.	1881	* The first matching object is returned, or NULL if none.
2006	*/	1882	*/
2007
2008	object *	1883	object *
2009	present_arch (const archetype *at, mapstruct *m, int x, int y)	1884	present_arch (const archetype *at, maptile *m, int x, int y)
2010	{	1885	{
2011	object *
2012	tmp;
2013
2014	if (m == NULL || out_of_map (m, x, y))	1886	if (!m || out_of_map (m, x, y))
2015	{	1887	{
2016	LOG (llevError, "Present_arch called outside map.\n");	1888	LOG (llevError, "Present_arch called outside map.\n");
2017	return NULL;	1889	return NULL;
2018	}	1890	}
2019	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1891
		1892	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2020	if (tmp->arch == at)	1893	if (tmp->arch == at)
2021	return tmp;	1894	return tmp;
		1895
2022	return NULL;	1896	return NULL;
2023	}	1897	}
2024		1898
2025	/*	1899	/*
2026	* present(type, map, x, y) searches for any objects with	1900	* present(type, map, x, y) searches for any objects with
2027	* a matching type variable at the given map and coordinates.	1901	* a matching type variable at the given map and coordinates.
2028	* The first matching object is returned, or NULL if none.	1902	* The first matching object is returned, or NULL if none.
2029	*/	1903	*/
2030
2031	object *	1904	object *
2032	present (unsigned char type, mapstruct *m, int x, int y)	1905	present (unsigned char type, maptile *m, int x, int y)
2033	{	1906	{
2034	object *
2035	tmp;
2036
2037	if (out_of_map (m, x, y))	1907	if (out_of_map (m, x, y))
2038	{	1908	{
2039	LOG (llevError, "Present called outside map.\n");	1909	LOG (llevError, "Present called outside map.\n");
2040	return NULL;	1910	return NULL;
2041	}	1911	}
2042	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1912
		1913	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2043	if (tmp->type == type)	1914	if (tmp->type == type)
2044	return tmp;	1915	return tmp;
		1916
2045	return NULL;	1917	return NULL;
2046	}	1918	}
2047		1919
2048	/*	1920	/*
2049	* present_in_ob(type, object) searches for any objects with	1921	* present_in_ob(type, object) searches for any objects with
2050	* a matching type variable in the inventory of the given object.	1922	* a matching type variable in the inventory of the given object.
2051	* The first matching object is returned, or NULL if none.	1923	* The first matching object is returned, or NULL if none.
2052	*/	1924	*/
2053
2054	object *	1925	object *
2055	present_in_ob (unsigned char type, const object *op)	1926	present_in_ob (unsigned char type, const object *op)
2056	{	1927	{
2057	object *
2058	tmp;
2059
2060	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1928	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2061	if (tmp->type == type)	1929	if (tmp->type == type)
2062	return tmp;	1930	return tmp;
		1931
2063	return NULL;	1932	return NULL;
2064	}	1933	}
2065		1934
2066	/*	1935	/*
2067	* present_in_ob (type, str, object) searches for any objects with	1936	* present_in_ob (type, str, object) searches for any objects with
…		…
2075	* str is the string to match against. Note that we match against	1944	* str is the string to match against. Note that we match against
2076	* the object name, not the archetype name. this is so that the	1945	* the object name, not the archetype name. this is so that the
2077	* spell code can use one object type (force), but change it's name	1946	* spell code can use one object type (force), but change it's name
2078	* to be unique.	1947	* to be unique.
2079	*/	1948	*/
2080
2081	object *	1949	object *
2082	present_in_ob_by_name (int type, const char *str, const object *op)	1950	present_in_ob_by_name (int type, const char *str, const object *op)
2083	{	1951	{
2084	object *
2085	tmp;
2086
2087	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1952	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2088	{
2089	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1953	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2090	return tmp;	1954	return tmp;
2091	}	1955
2092	return NULL;	1956	return 0;
2093	}	1957	}
2094		1958
2095	/*	1959	/*
2096	* present_arch_in_ob(archetype, object) searches for any objects with	1960	* present_arch_in_ob(archetype, object) searches for any objects with
2097	* a matching archetype in the inventory of the given object.	1961	* a matching archetype in the inventory of the given object.
2098	* The first matching object is returned, or NULL if none.	1962	* The first matching object is returned, or NULL if none.
2099	*/	1963	*/
2100
2101	object *	1964	object *
2102	present_arch_in_ob (const archetype *at, const object *op)	1965	present_arch_in_ob (const archetype *at, const object *op)
2103	{	1966	{
2104	object *
2105	tmp;
2106
2107	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1967	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2108	if (tmp->arch == at)	1968	if (tmp->arch == at)
2109	return tmp;	1969	return tmp;
		1970
2110	return NULL;	1971	return NULL;
2111	}	1972	}
2112		1973
2113	/*	1974	/*
2114	* activate recursively a flag on an object inventory	1975	* activate recursively a flag on an object inventory
2115	*/	1976	*/
2116	void	1977	void
2117	flag_inv (object *op, int flag)	1978	flag_inv (object *op, int flag)
2118	{	1979	{
2119	object *
2120	tmp;
2121
2122	if (op->inv)	1980	if (op->inv)
2123	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1981	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2124	{	1982	{
2125	SET_FLAG (tmp, flag);	1983	SET_FLAG (tmp, flag);
2126	flag_inv (tmp, flag);	1984	flag_inv (tmp, flag);
2127	}	1985	}
2128	} /*	1986	}
		1987
		1988	/*
2129	* desactivate recursively a flag on an object inventory	1989	* deactivate recursively a flag on an object inventory
2130	*/	1990	*/
2131	void	1991	void
2132	unflag_inv (object *op, int flag)	1992	unflag_inv (object *op, int flag)
2133	{	1993	{
2134	object *
2135	tmp;
2136
2137	if (op->inv)	1994	if (op->inv)
2138	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1995	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2139	{	1996	{
2140	CLEAR_FLAG (tmp, flag);	1997	CLEAR_FLAG (tmp, flag);
2141	unflag_inv (tmp, flag);	1998	unflag_inv (tmp, flag);
2142	}	1999	}
2143	}
2144
2145	/*
2146	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2147	* all it's inventory (recursively).
2148	* If checksums are used, a player will get set_cheat called for
2149	* him/her-self and all object carried by a call to this function.
2150	*/
2151
2152	void
2153	set_cheat (object *op)
2154	{
2155	SET_FLAG (op, FLAG_WAS_WIZ);
2156	flag_inv (op, FLAG_WAS_WIZ);
2157	}	2000	}
2158		2001
2159	/*	2002	/*
2160	* find_free_spot(object, map, x, y, start, stop) will search for	2003	* find_free_spot(object, map, x, y, start, stop) will search for
2161	* a spot at the given map and coordinates which will be able to contain	2004	* a spot at the given map and coordinates which will be able to contain
…		…
2175	* because arch_blocked (now ob_blocked) needs to know the movement type	2018	* because arch_blocked (now ob_blocked) needs to know the movement type
2176	* to know if the space in question will block the object. We can't use	2019	* to know if the space in question will block the object. We can't use
2177	* the archetype because that isn't correct if the monster has been	2020	* the archetype because that isn't correct if the monster has been
2178	* customized, changed states, etc.	2021	* customized, changed states, etc.
2179	*/	2022	*/
2180
2181	int	2023	int
2182	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	2024	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2183	{	2025	{
2184	int
2185	i,
2186	index = 0, flag;	2026	int index = 0, flag;
2187	static int
2188	altern[SIZEOFFREE];	2027	int altern[SIZEOFFREE];
2189		2028
2190	for (i = start; i < stop; i++)	2029	for (int i = start; i < stop; i++)
2191	{	2030	{
2192	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2031	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2193	if (!flag)	2032	if (!flag)
2194	altern[index++] = i;	2033	altern [index++] = i;
2195		2034
2196	/* Basically, if we find a wall on a space, we cut down the search size.	2035	/* Basically, if we find a wall on a space, we cut down the search size.
2197	* In this way, we won't return spaces that are on another side of a wall.	2036	* In this way, we won't return spaces that are on another side of a wall.
2198	* This mostly work, but it cuts down the search size in all directions -	2037	* This mostly work, but it cuts down the search size in all directions -
2199	* if the space being examined only has a wall to the north and empty	2038	* if the space being examined only has a wall to the north and empty
2200	* spaces in all the other directions, this will reduce the search space	2039	* spaces in all the other directions, this will reduce the search space
2201	* to only the spaces immediately surrounding the target area, and	2040	* to only the spaces immediately surrounding the target area, and
2202	* won't look 2 spaces south of the target space.	2041	* won't look 2 spaces south of the target space.
2203	*/	2042	*/
2204	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2043	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2205	stop = maxfree[i];	2044	stop = maxfree[i];
2206	}	2045	}
		2046
2207	if (!index)	2047	if (!index)
2208	return -1;	2048	return -1;
		2049
2209	return altern[RANDOM () % index];	2050	return altern [rndm (index)];
2210	}	2051	}
2211		2052
2212	/*	2053	/*
2213	* find_first_free_spot(archetype, mapstruct, x, y) works like	2054	* find_first_free_spot(archetype, maptile, x, y) works like
2214	* find_free_spot(), but it will search max number of squares.	2055	* find_free_spot(), but it will search max number of squares.
2215	* But it will return the first available spot, not a random choice.	2056	* But it will return the first available spot, not a random choice.
2216	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2057	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2217	*/	2058	*/
2218
2219	int	2059	int
2220	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2060	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2221	{	2061	{
2222	int
2223	i;
2224
2225	for (i = 0; i < SIZEOFFREE; i++)	2062	for (int i = 0; i < SIZEOFFREE; i++)
2226	{
2227	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2063	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2228	return i;	2064	return i;
2229	}	2065
2230	return -1;	2066	return -1;
2231	}	2067	}
2232		2068
2233	/*	2069	/*
2234	* The function permute(arr, begin, end) randomly reorders the array	2070	* The function permute(arr, begin, end) randomly reorders the array
2235	* arr[begin..end-1].	2071	* arr[begin..end-1].
		2072	* now uses a fisher-yates shuffle, old permute was broken
2236	*/	2073	*/
2237	static void	2074	static void
2238	permute (int *arr, int begin, int end)	2075	permute (int *arr, int begin, int end)
2239	{	2076	{
2240	int	2077	arr += begin;
2241	i,
2242	j,
2243	tmp,
2244	len;
2245
2246	len = end - begin;	2078	end -= begin;
2247	for (i = begin; i < end; i++)
2248	{
2249	j = begin + RANDOM () % len;
2250		2079
2251	tmp = arr[i];	2080	while (--end)
2252	arr[i] = arr[j];	2081	swap (arr [end], arr [rndm (end + 1)]);
2253	arr[j] = tmp;
2254	}
2255	}	2082	}
2256		2083
2257	/* new function to make monster searching more efficient, and effective!	2084	/* new function to make monster searching more efficient, and effective!
2258	* This basically returns a randomized array (in the passed pointer) of	2085	* This basically returns a randomized array (in the passed pointer) of
2259	* the spaces to find monsters. In this way, it won't always look for	2086	* the spaces to find monsters. In this way, it won't always look for
…		…
2262	* the 3x3 area will be searched, just not in a predictable order.	2089	* the 3x3 area will be searched, just not in a predictable order.
2263	*/	2090	*/
2264	void	2091	void
2265	get_search_arr (int *search_arr)	2092	get_search_arr (int *search_arr)
2266	{	2093	{
2267	int	2094	int i;
2268	i;
2269		2095
2270	for (i = 0; i < SIZEOFFREE; i++)	2096	for (i = 0; i < SIZEOFFREE; i++)
2271	{
2272	search_arr[i] = i;	2097	search_arr[i] = i;
2273	}
2274		2098
2275	permute (search_arr, 1, SIZEOFFREE1 + 1);	2099	permute (search_arr, 1, SIZEOFFREE1 + 1);
2276	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2100	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2277	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2101	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2278	}	2102	}
…		…
2287	* Perhaps incorrectly, but I'm making the assumption that exclude	2111	* Perhaps incorrectly, but I'm making the assumption that exclude
2288	* is actually want is going to try and move there. We need this info	2112	* is actually want is going to try and move there. We need this info
2289	* because we have to know what movement the thing looking to move	2113	* because we have to know what movement the thing looking to move
2290	* there is capable of.	2114	* there is capable of.
2291	*/	2115	*/
2292
2293	int	2116	int
2294	find_dir (mapstruct *m, int x, int y, object *exclude)	2117	find_dir (maptile *m, int x, int y, object *exclude)
2295	{	2118	{
2296	int
2297	i,
2298	max = SIZEOFFREE, mflags;	2119	int i, max = SIZEOFFREE, mflags;
2299		2120
2300	sint16 nx, ny;	2121	sint16 nx, ny;
2301	object *	2122	object *tmp;
2302	tmp;	2123	maptile *mp;
2303	mapstruct *
2304	mp;
2305		2124
2306	MoveType blocked, move_type;	2125	MoveType blocked, move_type;
2307		2126
2308	if (exclude && exclude->head)	2127	if (exclude && exclude->head_ () != exclude)
2309	{	2128	{
2310	exclude = exclude->head;	2129	exclude = exclude->head;
2311	move_type = exclude->move_type;	2130	move_type = exclude->move_type;
2312	}	2131	}
2313	else	2132	else
…		…
2321	mp = m;	2140	mp = m;
2322	nx = x + freearr_x[i];	2141	nx = x + freearr_x[i];
2323	ny = y + freearr_y[i];	2142	ny = y + freearr_y[i];
2324		2143
2325	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2144	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2145
2326	if (mflags & P_OUT_OF_MAP)	2146	if (mflags & P_OUT_OF_MAP)
2327	{
2328	max = maxfree[i];	2147	max = maxfree[i];
2329	}
2330	else	2148	else
2331	{	2149	{
2332	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2150	mapspace &ms = mp->at (nx, ny);
		2151
		2152	blocked = ms.move_block;
2333		2153
2334	if ((move_type & blocked) == move_type)	2154	if ((move_type & blocked) == move_type)
2335	{
2336	max = maxfree[i];	2155	max = maxfree[i];
2337	}
2338	else if (mflags & P_IS_ALIVE)	2156	else if (mflags & P_IS_ALIVE)
2339	{	2157	{
2340	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2158	for (tmp = ms.bot; tmp; tmp = tmp->above)
2341	{	2159	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2342	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2160	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2343	{
2344	break;	2161	break;
2345	}	2162
2346	}
2347	if (tmp)	2163	if (tmp)
2348	{
2349	return freedir[i];	2164	return freedir[i];
2350	}
2351	}	2165	}
2352	}	2166	}
2353	}	2167	}
		2168
2354	return 0;	2169	return 0;
2355	}	2170	}
2356		2171
2357	/*	2172	/*
2358	* distance(object 1, object 2) will return the square of the	2173	* distance(object 1, object 2) will return the square of the
2359	* distance between the two given objects.	2174	* distance between the two given objects.
2360	*/	2175	*/
2361
2362	int	2176	int
2363	distance (const object *ob1, const object *ob2)	2177	distance (const object *ob1, const object *ob2)
2364	{	2178	{
2365	int
2366	i;
2367
2368	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2179	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2369	return i;
2370	}	2180	}
2371		2181
2372	/*	2182	/*
2373	* find_dir_2(delta-x,delta-y) will return a direction in which	2183	* find_dir_2(delta-x,delta-y) will return a direction in which
2374	* an object which has subtracted the x and y coordinates of another	2184	* an object which has subtracted the x and y coordinates of another
2375	* object, needs to travel toward it.	2185	* object, needs to travel toward it.
2376	*/	2186	*/
2377
2378	int	2187	int
2379	find_dir_2 (int x, int y)	2188	find_dir_2 (int x, int y)
2380	{	2189	{
2381	int	2190	int q;
2382	q;
2383		2191
2384	if (y)	2192	if (y)
2385	q = x * 100 / y;	2193	q = x * 100 / y;
2386	else if (x)	2194	else if (x)
2387	q = -300 * x;	2195	q = -300 * x;
…		…
2412		2220
2413	return 3;	2221	return 3;
2414	}	2222	}
2415		2223
2416	/*	2224	/*
2417	* absdir(int): Returns a number between 1 and 8, which represent
2418	* the "absolute" direction of a number (it actually takes care of
2419	* "overflow" in previous calculations of a direction).
2420	*/
2421
2422	int
2423	absdir (int d)
2424	{
2425	while (d < 1)
2426	d += 8;
2427	while (d > 8)
2428	d -= 8;
2429	return d;
2430	}
2431
2432	/*
2433	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2225	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2434	* between two directions (which are expected to be absolute (see absdir())	2226	* between two directions (which are expected to be absolute (see absdir())
2435	*/	2227	*/
2436
2437	int	2228	int
2438	dirdiff (int dir1, int dir2)	2229	dirdiff (int dir1, int dir2)
2439	{	2230	{
2440	int	2231	int d;
2441	d;
2442		2232
2443	d = abs (dir1 - dir2);	2233	d = abs (dir1 - dir2);
2444	if (d > 4)	2234	if (d > 4)
2445	d = 8 - d;	2235	d = 8 - d;
		2236
2446	return d;	2237	return d;
2447	}	2238	}
2448		2239
2449	/* peterm:	2240	/* peterm:
2450	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2241	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2453	* This basically means that if direction is 15, then it could either go	2244	* This basically means that if direction is 15, then it could either go
2454	* direction 4, 14, or 16 to get back to where we are.	2245	* direction 4, 14, or 16 to get back to where we are.
2455	* Moved from spell_util.c to object.c with the other related direction	2246	* Moved from spell_util.c to object.c with the other related direction
2456	* functions.	2247	* functions.
2457	*/	2248	*/
2458
2459	int
2460	reduction_dir[SIZEOFFREE][3] = {	2249	int reduction_dir[SIZEOFFREE][3] = {
2461	{0, 0, 0}, /* 0 */	2250	{0, 0, 0}, /* 0 */
2462	{0, 0, 0}, /* 1 */	2251	{0, 0, 0}, /* 1 */
2463	{0, 0, 0}, /* 2 */	2252	{0, 0, 0}, /* 2 */
2464	{0, 0, 0}, /* 3 */	2253	{0, 0, 0}, /* 3 */
2465	{0, 0, 0}, /* 4 */	2254	{0, 0, 0}, /* 4 */
…		…
2513	* find a path to that monster that we found. If not,	2302	* find a path to that monster that we found. If not,
2514	* we don't bother going toward it. Returns 1 if we	2303	* we don't bother going toward it. Returns 1 if we
2515	* can see a direct way to get it	2304	* can see a direct way to get it
2516	* Modified to be map tile aware -.MSW	2305	* Modified to be map tile aware -.MSW
2517	*/	2306	*/
2518
2519
2520	int	2307	int
2521	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2308	can_see_monsterP (maptile *m, int x, int y, int dir)
2522	{	2309	{
2523	sint16 dx, dy;	2310	sint16 dx, dy;
2524	int
2525	mflags;	2311	int mflags;
2526		2312
2527	if (dir < 0)	2313	if (dir < 0)
2528	return 0; /* exit condition: invalid direction */	2314	return 0; /* exit condition: invalid direction */
2529		2315
2530	dx = x + freearr_x[dir];	2316	dx = x + freearr_x[dir];
…		…
2543	return 0;	2329	return 0;
2544		2330
2545	/* yes, can see. */	2331	/* yes, can see. */
2546	if (dir < 9)	2332	if (dir < 9)
2547	return 1;	2333	return 1;
		2334
2548	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2335	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2549	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2336	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2337	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2550	}	2338	}
2551
2552
2553		2339
2554	/*	2340	/*
2555	* can_pick(picker, item): finds out if an object is possible to be	2341	* can_pick(picker, item): finds out if an object is possible to be
2556	* picked up by the picker. Returnes 1 if it can be	2342	* picked up by the picker. Returnes 1 if it can be
2557	* picked up, otherwise 0.	2343	* picked up, otherwise 0.
…		…
2568	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2354	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2569	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2355	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2570	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2356	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2571	}	2357	}
2572		2358
2573
2574	/*	2359	/*
2575	* create clone from object to another	2360	* create clone from object to another
2576	*/	2361	*/
2577	object *	2362	object *
2578	object_create_clone (object *asrc)	2363	object_create_clone (object *asrc)
2579	{	2364	{
2580	object *
2581	dst = NULL, *tmp, *src, *part, *prev, *item;	2365	object *dst = 0, *tmp, *src, *prev, *item;
2582		2366
2583	if (!asrc)	2367	if (!asrc)
2584	return NULL;	2368	return 0;
2585	src = asrc;	2369
2586	if (src->head)
2587	src = src->head;	2370	src = asrc->head_ ();
2588		2371
2589	prev = NULL;	2372	prev = 0;
2590	for (part = src; part; part = part->more)	2373	for (object *part = src; part; part = part->more)
2591	{	2374	{
2592	tmp = get_object ();	2375	tmp = part->clone ();
2593	copy_object (part, tmp);
2594	tmp->x -= src->x;	2376	tmp->x -= src->x;
2595	tmp->y -= src->y;	2377	tmp->y -= src->y;
		2378
2596	if (!part->head)	2379	if (!part->head)
2597	{	2380	{
2598	dst = tmp;	2381	dst = tmp;
2599	tmp->head = NULL;	2382	tmp->head = 0;
2600	}	2383	}
2601	else	2384	else
2602	{
2603	tmp->head = dst;	2385	tmp->head = dst;
2604	}	2386
2605	tmp->more = NULL;	2387	tmp->more = 0;
		2388
2606	if (prev)	2389	if (prev)
2607	prev->more = tmp;	2390	prev->more = tmp;
		2391
2608	prev = tmp;	2392	prev = tmp;
2609	}	2393	}
2610		2394
2611	/*** copy inventory ***/
2612	for (item = src->inv; item; item = item->below)	2395	for (item = src->inv; item; item = item->below)
2613	{
2614	(void) insert_ob_in_ob (object_create_clone (item), dst);	2396	insert_ob_in_ob (object_create_clone (item), dst);
2615	}
2616		2397
2617	return dst;	2398	return dst;
2618	}
2619
2620	/* return true if the object was destroyed, 0 otherwise */
2621	int
2622	was_destroyed (const object *op, tag_t old_tag)
2623	{
2624	/* checking for FLAG_FREED isn't necessary, but makes this function more
2625	* robust */
2626	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2627	}
2628
2629	/* GROS - Creates an object using a string representing its content. */
2630
2631	/* Basically, we save the content of the string to a temp file, then call */
2632
2633	/* load_object on it. I admit it is a highly inefficient way to make things, */
2634
2635	/* but it was simple to make and allows reusing the load_object function. */
2636
2637	/* Remember not to use load_object_str in a time-critical situation. */
2638
2639	/* Also remember that multiparts objects are not supported for now. */
2640
2641	object *
2642	load_object_str (const char *obstr)
2643	{
2644	object *
2645	op;
2646	char
2647	filename[MAX_BUF];
2648
2649	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2650
2651	FILE *
2652	tempfile = fopen (filename, "w");
2653
2654	if (tempfile == NULL)
2655	{
2656	LOG (llevError, "Error - Unable to access load object temp file\n");
2657	return NULL;
2658	};
2659	fprintf (tempfile, obstr);
2660	fclose (tempfile);
2661
2662	op = get_object ();
2663
2664	object_thawer thawer (filename);
2665
2666	if (thawer)
2667	load_object (thawer, op, 0);
2668
2669	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2670	CLEAR_FLAG (op, FLAG_REMOVED);
2671
2672	return op;
2673	}	2399	}
2674		2400
2675	/* This returns the first object in who's inventory that	2401	/* This returns the first object in who's inventory that
2676	* has the same type and subtype match.	2402	* has the same type and subtype match.
2677	* returns NULL if no match.	2403	* returns NULL if no match.
2678	*/	2404	*/
2679	object *	2405	object *
2680	find_obj_by_type_subtype (const object *who, int type, int subtype)	2406	find_obj_by_type_subtype (const object *who, int type, int subtype)
2681	{	2407	{
2682	object *
2683	tmp;
2684
2685	for (tmp = who->inv; tmp; tmp = tmp->below)	2408	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2686	if (tmp->type == type && tmp->subtype == subtype)	2409	if (tmp->type == type && tmp->subtype == subtype)
2687	return tmp;	2410	return tmp;
2688		2411
2689	return NULL;	2412	return 0;
2690	}	2413	}
2691		2414
2692	/* If ob has a field named key, return the link from the list,	2415	/* If ob has a field named key, return the link from the list,
2693	* otherwise return NULL.	2416	* otherwise return NULL.
2694	*	2417	*
…		…
2696	* do the desired thing.	2419	* do the desired thing.
2697	*/	2420	*/
2698	key_value *	2421	key_value *
2699	get_ob_key_link (const object *ob, const char *key)	2422	get_ob_key_link (const object *ob, const char *key)
2700	{	2423	{
2701	key_value *
2702	link;
2703
2704	for (link = ob->key_values; link != NULL; link = link->next)	2424	for (key_value *link = ob->key_values; link; link = link->next)
2705	{
2706	if (link->key == key)	2425	if (link->key == key)
2707	{
2708	return link;	2426	return link;
2709	}
2710	}
2711		2427
2712	return NULL;	2428	return 0;
2713	}	2429	}
2714		2430
2715	/*	2431	/*
2716	* Returns the value of op has an extra_field for key, or NULL.	2432	* Returns the value of op has an extra_field for key, or NULL.
2717	*	2433	*
…		…
2742	if (link->key == canonical_key)	2458	if (link->key == canonical_key)
2743	return link->value;	2459	return link->value;
2744		2460
2745	return 0;	2461	return 0;
2746	}	2462	}
2747
2748		2463
2749	/*	2464	/*
2750	* Updates the canonical_key in op to value.	2465	* Updates the canonical_key in op to value.
2751	*	2466	*
2752	* canonical_key is a shared string (value doesn't have to be).	2467	* canonical_key is a shared string (value doesn't have to be).
…		…
2757	* Returns TRUE on success.	2472	* Returns TRUE on success.
2758	*/	2473	*/
2759	int	2474	int
2760	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2475	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2761	{	2476	{
2762	key_value *
2763	field = NULL, *last = NULL;	2477	key_value *field = NULL, *last = NULL;
2764		2478
2765	for (field = op->key_values; field != NULL; field = field->next)	2479	for (field = op->key_values; field != NULL; field = field->next)
2766	{	2480	{
2767	if (field->key != canonical_key)	2481	if (field->key != canonical_key)
2768	{	2482	{
…		…
2777	/* Basically, if the archetype has this key set,	2491	/* Basically, if the archetype has this key set,
2778	* we need to store the null value so when we save	2492	* we need to store the null value so when we save
2779	* it, we save the empty value so that when we load,	2493	* it, we save the empty value so that when we load,
2780	* we get this value back again.	2494	* we get this value back again.
2781	*/	2495	*/
2782	if (get_ob_key_link (&op->arch->clone, canonical_key))	2496	if (get_ob_key_link (op->arch, canonical_key))
2783	field->value = 0;	2497	field->value = 0;
2784	else	2498	else
2785	{	2499	{
2786	if (last)	2500	if (last)
2787	last->next = field->next;	2501	last->next = field->next;
…		…
2796	/* IF we get here, key doesn't exist */	2510	/* IF we get here, key doesn't exist */
2797		2511
2798	/* No field, we'll have to add it. */	2512	/* No field, we'll have to add it. */
2799		2513
2800	if (!add_key)	2514	if (!add_key)
2801	{
2802	return FALSE;	2515	return FALSE;
2803	}	2516
2804	/* There isn't any good reason to store a null	2517	/* There isn't any good reason to store a null
2805	* value in the key/value list. If the archetype has	2518	* value in the key/value list. If the archetype has
2806	* this key, then we should also have it, so shouldn't	2519	* this key, then we should also have it, so shouldn't
2807	* be here. If user wants to store empty strings,	2520	* be here. If user wants to store empty strings,
2808	* should pass in ""	2521	* should pass in ""
…		…
2857	}	2570	}
2858	else	2571	else
2859	item = item->env;	2572	item = item->env;
2860	}	2573	}
2861		2574
		2575	const char *
		2576	object::flag_desc (char *desc, int len) const
		2577	{
		2578	char *p = desc;
		2579	bool first = true;
		2580
		2581	*p = 0;
		2582
		2583	for (int i = 0; i < NUM_FLAGS; i++)
		2584	{
		2585	if (len <= 10) // magic constant!
		2586	{
		2587	snprintf (p, len, ",...");
		2588	break;
		2589	}
		2590
		2591	if (flag [i])
		2592	{
		2593	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2594	len -= cnt;
		2595	p += cnt;
		2596	first = false;
		2597	}
		2598	}
		2599
		2600	return desc;
		2601	}
		2602
2862	// return a suitable string describing an objetc in enough detail to find it	2603	// return a suitable string describing an object in enough detail to find it
2863	const char *	2604	const char *
2864	object::debug_desc (char *info) const	2605	object::debug_desc (char *info) const
2865	{	2606	{
		2607	char flagdesc[512];
2866	char info2[256 * 3];	2608	char info2[256 * 4];
2867	char *p = info;	2609	char *p = info;
2868		2610
2869	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2611	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2870	count,	2612	count, uuid.seq,
2871	&name,	2613	&name,
2872	title ? " " : "",	2614	title ? "\",title:\"" : "",
2873	title ? (const char *)title : "");	2615	title ? (const char *)title : "",
		2616	flag_desc (flagdesc, 512), type);
2874		2617
2875	if (env)	2618	if (env)
2876	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2619	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2877		2620
2878	if (map)	2621	if (map)
2879	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2622	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2880		2623
2881	return info;	2624	return info;
2882	}	2625	}
2883		2626
2884	const char *	2627	const char *
2885	object::debug_desc () const	2628	object::debug_desc () const
2886	{	2629	{
2887	static char info[256 * 3];	2630	static char info[3][256 * 4];
		2631	static int info_idx;
		2632
2888	return debug_desc (info);	2633	return debug_desc (info [++info_idx % 3]);
2889	}	2634	}
2890		2635
		2636	struct region *
		2637	object::region () const
		2638	{
		2639	return map ? map->region (x, y)
		2640	: region::default_region ();
		2641	}
		2642
		2643	const materialtype_t *
		2644	object::dominant_material () const
		2645	{
		2646	if (materialtype_t *mat = name_to_material (materialname))
		2647	return mat;
		2648
		2649	// omfg this is slow, this has to be temporary :)
		2650	shstr unknown ("unknown");
		2651
		2652	return name_to_material (unknown);
		2653	}
		2654
		2655	void
		2656	object::open_container (object *new_container)
		2657	{
		2658	if (container == new_container)
		2659	return;
		2660
		2661	if (object *old_container = container)
		2662	{
		2663	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2664	return;
		2665
		2666	#if 0
		2667	// remove the "Close old_container" object.
		2668	if (object *closer = old_container->inv)
		2669	if (closer->type == CLOSE_CON)
		2670	closer->destroy ();
		2671	#endif
		2672
		2673	old_container->flag [FLAG_APPLIED] = 0;
		2674	container = 0;
		2675
		2676	esrv_update_item (UPD_FLAGS, this, old_container);
		2677	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2678	}
		2679
		2680	if (new_container)
		2681	{
		2682	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2683	return;
		2684
		2685	// TODO: this does not seem to serve any purpose anymore?
		2686	#if 0
		2687	// insert the "Close Container" object.
		2688	if (archetype *closer = new_container->other_arch)
		2689	{
		2690	object *closer = arch_to_object (new_container->other_arch);
		2691	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2692	new_container->insert (closer);
		2693	}
		2694	#endif
		2695
		2696	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2697
		2698	new_container->flag [FLAG_APPLIED] = 1;
		2699	container = new_container;
		2700
		2701	esrv_update_item (UPD_FLAGS, this, new_container);
		2702	esrv_send_inventory (this, new_container);
		2703	}
		2704	}
		2705
		2706

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