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Comparing deliantra/server/common/object.C (file contents):
Revision 1.32 by root, Mon Sep 11 23:53:30 2006 UTC vs.
Revision 1.149 by root, Mon May 14 19:56:45 2007 UTC

1
2	/*	1	/*
3	CrossFire, A Multiplayer game for X-windows	2	* CrossFire, A Multiplayer game
4		3	*
		4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
5	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team
6	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (C) 1992 Frank Tore Johansen
7		7	*
8	This program is free software; you can redistribute it and/or modify	8	* This program is free software; you can redistribute it and/or modify
9	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
10	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation; either version 2 of the License, or
11	(at your option) any later version.	11	* (at your option) any later version.
12		12	*
13	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU General Public License for more details.	16	* GNU General Public License for more details.
17		17	*
18	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
19	along with this program; if not, write to the Free Software	19	* along with this program; if not, write to the Free Software
20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, 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 at <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 <skills.h>	34	#include <sproto.h>
35	#include <loader.h>	35	#include <loader.h>
36		36
		37	#include <bitset>
		38
37	int nrofallocobjects = 0;	39	int nrofallocobjects = 0;
		40	static UUID uuid;
		41	const uint64 UUID_SKIP = 1<<19;
38		42
39	object *objects; /* Pointer to the list of used objects */	43	objectvec objects;
40	object *active_objects; /* List of active objects that need to be processed */	44	activevec actives;
41		45
42	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,
43	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
44	};	48	};
45	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,
…		…
51	int freedir[SIZEOFFREE] = {	55	int freedir[SIZEOFFREE] = {
52	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,
53	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
54	};	58	};
55		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
56	/* 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. */
57	static int	138	static int
58	compare_ob_value_lists_one (const object *wants, const object *has)	139	compare_ob_value_lists_one (const object *wants, const object *has)
59	{	140	{
60	key_value *wants_field;	141	key_value *wants_field;
…		…
63	* 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
64	* different structure or at least keep the lists sorted...	145	* different structure or at least keep the lists sorted...
65	*/	146	*/
66		147
67	/* For each field in wants, */	148	/* For each field in wants, */
68	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)
69	{	150	{
70	key_value *has_field;	151	key_value *has_field;
71		152
72	/* Look for a field in has with the same key. */	153	/* Look for a field in has with the same key. */
73	has_field = get_ob_key_link (has, wants_field->key);	154	has_field = get_ob_key_link (has, wants_field->key);
…		…
107	*	188	*
108	* 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
109	* replaces - this is mostly for clarity - a decent compiler should hopefully	190	* replaces - this is mostly for clarity - a decent compiler should hopefully
110	* reduce this to the same efficiency.	191	* reduce this to the same efficiency.
111	*	192	*
112	* Check nrof variable *before* calling CAN_MERGE()	193	* Check nrof variable *before* calling can_merge()
113	*	194	*
114	* Improvements made with merge: Better checking on potion, and also	195	* Improvements made with merge: Better checking on potion, and also
115	* check weight	196	* check weight
116	*/	197	*/
117
118	bool object::can_merge (object *ob1, object *ob2)	198	bool object::can_merge_slow (object *ob1, object *ob2)
119	{	199	{
120	/* A couple quicksanity checks */	200	/* A couple quicksanity checks */
121	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)
122	return 0;	206	return 0;
123		207
124	if (ob1->speed != ob2->speed)	208	//TODO: this ain't working well, use nicer and correct overflow check
125	return 0;
126
127	/* 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
128	* 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
129	* used to store nrof).	211	* used to store nrof).
130	*/	212	*/
131	if (ob1->nrof + ob2->nrof >= 1UL << 31)	213	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
141	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	223	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
142		224
143	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	225	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
144	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	226	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
145		227
146		228	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
147	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	229	|| ob1->arch != ob2->arch
148	* being locked in inventory should prevent merging.
149	* 0x4 in flags3 is CLIENT_SENT
150	*/
151	if ((ob1->arch != ob2->arch) ||
152	(ob1->flags[0] != ob2->flags[0]) ||
153	(ob1->flags[1] != ob2->flags[1]) ||
154	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
155	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
156	(ob1->name != ob2->name) ||	230	|| ob1->name != ob2->name
157	(ob1->title != ob2->title) ||	231	|| ob1->title != ob2->title
158	(ob1->msg != ob2->msg) ||	232	|| ob1->msg != ob2->msg
159	(ob1->weight != ob2->weight) ||	233	|| ob1->weight != ob2->weight
160	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	234	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
161	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	235	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
162	(ob1->attacktype != ob2->attacktype) ||	236	|| ob1->attacktype != ob2->attacktype
163	(ob1->magic != ob2->magic) ||	237	|| ob1->magic != ob2->magic
164	(ob1->slaying != ob2->slaying) ||	238	|| ob1->slaying != ob2->slaying
165	(ob1->skill != ob2->skill) ||	239	|| ob1->skill != ob2->skill
166	(ob1->value != ob2->value) ||	240	|| ob1->value != ob2->value
167	(ob1->animation_id != ob2->animation_id) ||	241	|| ob1->animation_id != ob2->animation_id
168	(ob1->client_type != ob2->client_type) ||	242	|| ob1->client_type != ob2->client_type
169	(ob1->materialname != ob2->materialname) ||	243	|| ob1->materialname != ob2->materialname
170	(ob1->lore != ob2->lore) ||	244	|| ob1->lore != ob2->lore
171	(ob1->subtype != ob2->subtype) ||	245	|| ob1->subtype != ob2->subtype
172	(ob1->move_type != ob2->move_type) ||	246	|| ob1->move_type != ob2->move_type
173	(ob1->move_block != ob2->move_block) ||	247	|| ob1->move_block != ob2->move_block
174	(ob1->move_allow != ob2->move_allow) ||	248	|| ob1->move_allow != ob2->move_allow
175	(ob1->move_on != ob2->move_on) ||	249	|| ob1->move_on != ob2->move_on
176	(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)
177	return 0;	253	return 0;
178		254
179	/* This is really a spellbook check - really, we should	255	/* This is really a spellbook check - really, we should
180	* check all objects in the inventory.	256	* check all objects in the inventory.
181	*/	257	*/
…		…
184	/* 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 */
185	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	261	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
186	return 0;	262	return 0;
187		263
188	/* Now check to see if the two inventory objects could merge */	264	/* Now check to see if the two inventory objects could merge */
189	if (!CAN_MERGE (ob1->inv, ob2->inv))	265	if (!object::can_merge (ob1->inv, ob2->inv))
190	return 0;	266	return 0;
191		267
192	/* 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
193	* if it is valid.	269	* if it is valid.
194	*/	270	*/
…		…
203		279
204	/* 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
205	* 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
206	* check?	282	* check?
207	*/	283	*/
208	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
209	return 0;	285	return 0;
210		286
211	switch (ob1->type)	287	switch (ob1->type)
212	{	288	{
213	case SCROLL:	289	case SCROLL:
…		…
249	sum_weight (object *op)	325	sum_weight (object *op)
250	{	326	{
251	long sum;	327	long sum;
252	object *inv;	328	object *inv;
253		329
254	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	330	for (sum = 0, inv = op->inv; inv; inv = inv->below)
255	{	331	{
256	if (inv->inv)	332	if (inv->inv)
257	sum_weight (inv);	333	sum_weight (inv);
		334
258	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	335	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
259	}	336	}
		337
260	if (op->type == CONTAINER && op->stats.Str)	338	if (op->type == CONTAINER && op->stats.Str)
261	sum = (sum * (100 - op->stats.Str)) / 100;	339	sum = (sum * (100 - op->stats.Str)) / 100;
		340
262	if (op->carrying != sum)	341	if (op->carrying != sum)
263	op->carrying = sum;	342	op->carrying = sum;
		343
264	return sum;	344	return sum;
265	}	345	}
266		346
267	/**	347	/**
268	* Return the outermost environment object for a given object.	348	* Return the outermost environment object for a given object.
…		…
275	op = op->env;	355	op = op->env;
276	return op;	356	return op;
277	}	357	}
278		358
279	/*	359	/*
280	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
281	* a better check. We basically keeping traversing up until we can't
282	* or find a player.
283	*/
284
285	object *
286	is_player_inv (object *op)
287	{
288	for (; op != NULL && op->type != PLAYER; op = op->env)
289	if (op->env == op)
290	op->env = NULL;
291	return op;
292	}
293
294	/*
295	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	360	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
296	* Some error messages.	361	* Some error messages.
297	* 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.
298	*/	363	*/
299		364	char *
300	void
301	dump_object2 (object *op)
302	{
303	errmsg[0] = 0;
304	return;
305	//TODO//D#d#
306	#if 0
307	char *cp;
308
309	/* object *tmp;*/
310
311	if (op->arch != NULL)
312	{
313	strcat (errmsg, "arch ");
314	strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
315	strcat (errmsg, "\n");
316	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
317	strcat (errmsg, cp);
318	# if 0
319	/* Don't dump player diffs - they are too long, mostly meaningless, and
320	* will overflow the buffer.
321	* Changed so that we don't dump inventory either. This may
322	* also overflow the buffer.
323	*/
324	if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
325	strcat (errmsg, cp);
326	for (tmp = op->inv; tmp; tmp = tmp->below)
327	dump_object2 (tmp);
328	# endif
329	strcat (errmsg, "end\n");
330	}
331	else
332	{
333	strcat (errmsg, "Object ");
334	if (op->name == NULL)
335	strcat (errmsg, "(null)");
336	else
337	strcat (errmsg, op->name);
338	strcat (errmsg, "\n");
339	# if 0
340	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
341	strcat (errmsg, cp);
342	for (tmp = op->inv; tmp; tmp = tmp->below)
343	dump_object2 (tmp);
344	# endif
345	strcat (errmsg, "end\n");
346	}
347	#endif
348	}
349
350	/*
351	* Dumps an object. Returns output in the static global errmsg array.
352	*/
353
354	void
355	dump_object (object *op)	365	dump_object (object *op)
356	{	366	{
357	if (op == NULL)	367	if (!op)
358	{	368	return strdup ("[NULLOBJ]");
359	strcpy (errmsg, "[NULL pointer]");
360	return;
361	}
362	errmsg[0] = '\0';
363	dump_object2 (op);
364	}
365		369
366	void	370	object_freezer freezer;
367	dump_all_objects (void)	371	op->write (freezer);
368	{	372	return freezer.as_string ();
369	object *op;
370
371	for (op = objects; op != NULL; op = op->next)
372	{
373	dump_object (op);
374	fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
375	}
376	}	373	}
377		374
378	/*	375	/*
379	* 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
380	* multi-object 1 which is closest to the second object.	377	* multi-object 1 which is closest to the second object.
…		…
396	}	393	}
397		394
398	/*	395	/*
399	* 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.
400	*/	397	*/
401
402	object *	398	object *
403	find_object (tag_t i)	399	find_object (tag_t i)
404	{	400	{
405	object *op;	401	for_all_objects (op)
406
407	for (op = objects; op != NULL; op = op->next)
408	if (op->count == i)	402	if (op->count == i)
409	break;
410	return op;	403	return op;
		404
		405	return 0;
411	}	406	}
412		407
413	/*	408	/*
414	* 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.
415	* Used only by the patch command, but not all that useful.	410	* Used only by the patch command, but not all that useful.
416	* Enables features like "patch <name-of-other-player> food 999"	411	* Enables features like "patch <name-of-other-player> food 999"
417	*/	412	*/
418
419	object *	413	object *
420	find_object_name (const char *str)	414	find_object_name (const char *str)
421	{	415	{
422	const char *name = shstr::find (str);	416	shstr_cmp str_ (str);
423	object *op;	417	object *op;
424		418
425	for (op = objects; op != NULL; op = op->next)	419	for_all_objects (op)
426	if (&op->name == name)	420	if (op->name == str_)
427	break;	421	break;
428		422
429	return op;	423	return op;
430	}	424	}
431		425
432	void	426	void
433	free_all_object_data ()	427	free_all_object_data ()
434	{	428	{
435	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);	429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
436	}
437
438	/*
439	* Returns the object which this object marks as being the owner.
440	* A id-scheme is used to avoid pointing to objects which have been
441	* freed and are now reused. If this is detected, the owner is
442	* set to NULL, and NULL is returned.
443	* Changed 2004-02-12 - if the player is setting at the play again
444	* prompt, he is removed, and we don't want to treat him as an owner of
445	* anything, so check removed flag. I don't expect that this should break
446	* anything - once an object is removed, it is basically dead anyways.
447	*/
448	object *
449	object::get_owner ()
450	{
451	if (!owner
452	|| QUERY_FLAG (owner, FLAG_FREED)
453	|| QUERY_FLAG (owner, FLAG_REMOVED))
454	owner = 0;
455
456	return owner;
457	}	430	}
458		431
459	/*	432	/*
460	* 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
461	* skill and experience objects.	434	* skill and experience objects.
…		…
477	owner = owner->owner;	450	owner = owner->owner;
478		451
479	this->owner = owner;	452	this->owner = owner;
480	}	453	}
481		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	current_weapon = ob;
		479	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		480
		481	update_stats ();
		482
		483	if (ob)
		484	{
		485	// now check wether any body locations became invalid, in which case
		486	// we cannot apply the weapon at the moment.
		487	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		488	if (slot[i].used < 0)
		489	{
		490	current_weapon = chosen_skill = 0;
		491	update_stats ();
		492
		493	new_draw_info_format (NDI_UNIQUE, 0, this,
		494	"You try to balance your applied items all at once, but the %s is too much. "
		495	"You need to unapply some items first.", &ob->name);
		496	return false;
		497	}
		498
		499	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		500	}
		501	else
		502	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		503
		504	return true;
		505	}
		506
482	/* Zero the key_values on op, decrementing the shared-string	507	/* Zero the key_values on op, decrementing the shared-string
483	* refcounts and freeing the links.	508	* refcounts and freeing the links.
484	*/	509	*/
485	static void	510	static void
486	free_key_values (object *op)	511	free_key_values (object *op)
487	{	512	{
488	for (key_value *i = op->key_values; i != 0;)	513	for (key_value *i = op->key_values; i; )
489	{	514	{
490	key_value *next = i->next;	515	key_value *next = i->next;
491	delete i;	516	delete i;
492		517
493	i = next;	518	i = next;
494	}	519	}
495		520
496	op->key_values = 0;	521	op->key_values = 0;
497	}	522	}
498		523
499	void object::clear ()	524	object &
		525	object::operator =(const object &src)
500	{	526	{
501	attachable_base::clear ();	527	bool is_freed = flag [FLAG_FREED];
		528	bool is_removed = flag [FLAG_REMOVED];
502		529
503	free_key_values (this);	530	*(object_copy *)this = src;
504		531
505	owner = 0;	532	flag [FLAG_FREED] = is_freed;
506	name = 0;	533	flag [FLAG_REMOVED] = is_removed;
507	name_pl = 0;
508	title = 0;
509	race = 0;
510	slaying = 0;
511	skill = 0;
512	msg = 0;
513	lore = 0;
514	custom_name = 0;
515	materialname = 0;
516	contr = 0;
517	below = 0;
518	above = 0;
519	inv = 0;
520	container = 0;
521	env = 0;
522	more = 0;
523	head = 0;
524	map = 0;
525	active_next = 0;
526	active_prev = 0;
527
528	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
529
530	SET_FLAG (this, FLAG_REMOVED);
531
532	/* What is not cleared is next, prev, and count */
533
534	expmul = 1.0;
535	face = blank_face;
536	attacked_by_count = -1;
537
538	if (settings.casting_time)
539	casting_time = -1;
540	}
541
542	void object::clone (object *destination)
543	{
544	*(object_copy *)destination = *this;
545	*(object_pod *)destination = *this;
546
547	if (self || cb)
548	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
549	}
550
551	/*
552	* copy object first frees everything allocated by the second object,
553	* and then copies the contends of the first object into the second
554	* object, allocating what needs to be allocated. Basically, any
555	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
556	* if the first object is freed, the pointers in the new object
557	* will point at garbage.
558	*/
559	void
560	copy_object (object *op2, object *op)
561	{
562	bool is_freed = QUERY_FLAG (op, FLAG_FREED);
563	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
564
565	op2->clone (op);
566
567	if (is_freed)
568	SET_FLAG (op, FLAG_FREED);
569	if (is_removed)
570	SET_FLAG (op, FLAG_REMOVED);
571
572	if (op2->speed < 0)
573	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
574		534
575	/* Copy over key_values, if any. */	535	/* Copy over key_values, if any. */
576	if (op2->key_values)	536	if (src.key_values)
577	{	537	{
578	key_value *tail = 0;	538	key_value *tail = 0;
579	key_value *i;
580
581	op->key_values = 0;	539	key_values = 0;
582		540
583	for (i = op2->key_values; i; i = i->next)	541	for (key_value *i = src.key_values; i; i = i->next)
584	{	542	{
585	key_value *new_link = new key_value;	543	key_value *new_link = new key_value;
586		544
587	new_link->next = 0;	545	new_link->next = 0;
588	new_link->key = i->key;	546	new_link->key = i->key;
589	new_link->value = i->value;	547	new_link->value = i->value;
590		548
591	/* Try and be clever here, too. */	549	/* Try and be clever here, too. */
592	if (!op->key_values)	550	if (!key_values)
593	{	551	{
594	op->key_values = new_link;	552	key_values = new_link;
595	tail = new_link;	553	tail = new_link;
596	}	554	}
597	else	555	else
598	{	556	{
599	tail->next = new_link;	557	tail->next = new_link;
600	tail = new_link;	558	tail = new_link;
601	}	559	}
602	}	560	}
603	}	561	}
		562	}
604		563
605	update_ob_speed (op);	564	/*
		565	* copy_to first frees everything allocated by the dst object,
		566	* and then copies the contents of itself into the second
		567	* object, allocating what needs to be allocated. Basically, any
		568	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		569	* if the first object is freed, the pointers in the new object
		570	* will point at garbage.
		571	*/
		572	void
		573	object::copy_to (object *dst)
		574	{
		575	*dst = *this;
		576
		577	if (speed < 0)
		578	dst->speed_left = speed_left - rndm ();
		579
		580	dst->set_speed (dst->speed);
		581	}
		582
		583	void
		584	object::instantiate ()
		585	{
		586	if (!uuid.seq) // HACK
		587	uuid = gen_uuid ();
		588
		589	speed_left = -0.1f;
		590	/* copy the body_info to the body_used - this is only really
		591	* need for monsters, but doesn't hurt to do it for everything.
		592	* by doing so, when a monster is created, it has good starting
		593	* values for the body_used info, so when items are created
		594	* for it, they can be properly equipped.
		595	*/
		596	for (int i = NUM_BODY_LOCATIONS; i--; )
		597	slot[i].used = slot[i].info;
		598
		599	attachable::instantiate ();
		600	}
		601
		602	object *
		603	object::clone ()
		604	{
		605	object *neu = create ();
		606	copy_to (neu);
		607	return neu;
606	}	608	}
607		609
608	/*	610	/*
609	* If an object with the IS_TURNABLE() flag needs to be turned due	611	* If an object with the IS_TURNABLE() flag needs to be turned due
610	* to the closest player being on the other side, this function can	612	* to the closest player being on the other side, this function can
611	* be called to update the face variable, _and_ how it looks on the map.	613	* be called to update the face variable, _and_ how it looks on the map.
612	*/	614	*/
613
614	void	615	void
615	update_turn_face (object *op)	616	update_turn_face (object *op)
616	{	617	{
617	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	618	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
618	return;	619	return;
		620
619	SET_ANIMATION (op, op->direction);	621	SET_ANIMATION (op, op->direction);
620	update_object (op, UP_OBJ_FACE);	622	update_object (op, UP_OBJ_FACE);
621	}	623	}
622		624
623	/*	625	/*
624	* Updates the speed of an object. If the speed changes from 0 to another	626	* Updates the speed of an object. If the speed changes from 0 to another
625	* value, or vice versa, then add/remove the object from the active list.	627	* value, or vice versa, then add/remove the object from the active list.
626	* This function needs to be called whenever the speed of an object changes.	628	* This function needs to be called whenever the speed of an object changes.
627	*/	629	*/
628	void	630	void
629	update_ob_speed (object *op)	631	object::set_speed (float speed)
630	{	632	{
631	extern int arch_init;	633	if (flag [FLAG_FREED] && speed)
632
633	/* No reason putting the archetypes objects on the speed list,
634	* since they never really need to be updated.
635	*/
636
637	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
638	{	634	{
639	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	635	LOG (llevError, "Object %s is freed but has speed.\n", &name);
640	#ifdef MANY_CORES
641	abort ();
642	#else
643	op->speed = 0;	636	speed = 0;
644	#endif
645	}
646
647	if (arch_init)
648	return;
649
650	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
651	{	637	}
652	/* If already on active list, don't do anything */
653	if (op->active_next || op->active_prev || op == active_objects)
654	return;
655		638
656	/* process_events() expects us to insert the object at the beginning	639	this->speed = speed;
657	* of the list. */
658	op->active_next = active_objects;
659		640
660	if (op->active_next != NULL)	641	if (has_active_speed ())
661	op->active_next->active_prev = op;	642	activate ();
662
663	active_objects = op;
664	}
665	else	643	else
666	{	644	deactivate ();
667	/* If not on the active list, nothing needs to be done */
668	if (!op->active_next && !op->active_prev && op != active_objects)
669	return;
670
671	if (op->active_prev == NULL)
672	{
673	active_objects = op->active_next;
674
675	if (op->active_next != NULL)
676	op->active_next->active_prev = NULL;
677	}
678	else
679	{
680	op->active_prev->active_next = op->active_next;
681
682	if (op->active_next)
683	op->active_next->active_prev = op->active_prev;
684	}
685
686	op->active_next = NULL;
687	op->active_prev = NULL;
688	}
689	}	645	}
690		646
691	/* This function removes object 'op' from the list of active
692	* objects.
693	* This should only be used for style maps or other such
694	* reference maps where you don't want an object that isn't
695	* in play chewing up cpu time getting processed.
696	* The reverse of this is to call update_ob_speed, which
697	* will do the right thing based on the speed of the object.
698	*/
699	void
700	remove_from_active_list (object *op)
701	{
702	/* If not on the active list, nothing needs to be done */
703	if (!op->active_next && !op->active_prev && op != active_objects)
704	return;
705
706	if (op->active_prev == NULL)
707	{
708	active_objects = op->active_next;
709	if (op->active_next != NULL)
710	op->active_next->active_prev = NULL;
711	}
712	else
713	{
714	op->active_prev->active_next = op->active_next;
715	if (op->active_next)
716	op->active_next->active_prev = op->active_prev;
717	}
718	op->active_next = NULL;
719	op->active_prev = NULL;
720	}
721
722	/*	647	/*
723	* update_object() updates the array which represents the map.	648	* update_object() updates the the map.
724	* It takes into account invisible objects (and represent squares covered	649	* It takes into account invisible objects (and represent squares covered
725	* by invisible objects by whatever is below them (unless it's another	650	* by invisible objects by whatever is below them (unless it's another
726	* invisible object, etc...)	651	* invisible object, etc...)
727	* If the object being updated is beneath a player, the look-window	652	* If the object being updated is beneath a player, the look-window
728	* of that player is updated (this might be a suboptimal way of	653	* of that player is updated (this might be a suboptimal way of
729	* updating that window, though, since update_object() is called _often_)	654	* updating that window, though, since update_object() is called _often_)
730	*	655	*
731	* action is a hint of what the caller believes need to be done.	656	* action is a hint of what the caller believes need to be done.
732	* For example, if the only thing that has changed is the face (due to
733	* an animation), we don't need to call update_position until that actually
734	* comes into view of a player. OTOH, many other things, like addition/removal
735	* of walls or living creatures may need us to update the flags now.
736	* current action are:	657	* current action are:
737	* UP_OBJ_INSERT: op was inserted	658	* UP_OBJ_INSERT: op was inserted
738	* UP_OBJ_REMOVE: op was removed	659	* UP_OBJ_REMOVE: op was removed
739	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	660	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
740	* as that is easier than trying to look at what may have changed.	661	* as that is easier than trying to look at what may have changed.
741	* UP_OBJ_FACE: only the objects face has changed.	662	* UP_OBJ_FACE: only the objects face has changed.
742	*/	663	*/
743
744	void	664	void
745	update_object (object *op, int action)	665	update_object (object *op, int action)
746	{	666	{
747	int update_now = 0, flags;
748	MoveType move_on, move_off, move_block, move_slow;
749
750	if (op == NULL)	667	if (op == NULL)
751	{	668	{
752	/* this should never happen */	669	/* this should never happen */
753	LOG (llevDebug, "update_object() called for NULL object.\n");	670	LOG (llevDebug, "update_object() called for NULL object.\n");
754	return;	671	return;
755	}	672	}
756		673
757	if (op->env != NULL)	674	if (op->env)
758	{	675	{
759	/* Animation is currently handled by client, so nothing	676	/* Animation is currently handled by client, so nothing
760	* to do in this case.	677	* to do in this case.
761	*/	678	*/
762	return;	679	return;
…		…
767	*/	684	*/
768	if (!op->map || op->map->in_memory == MAP_SAVING)	685	if (!op->map || op->map->in_memory == MAP_SAVING)
769	return;	686	return;
770		687
771	/* make sure the object is within map boundaries */	688	/* make sure the object is within map boundaries */
772	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	689	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
773	{	690	{
774	LOG (llevError, "update_object() called for object out of map!\n");	691	LOG (llevError, "update_object() called for object out of map!\n");
775	#ifdef MANY_CORES	692	#ifdef MANY_CORES
776	abort ();	693	abort ();
777	#endif	694	#endif
778	return;	695	return;
779	}	696	}
780		697
781	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	698	mapspace &m = op->ms ();
782	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
783	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
784	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
785	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
786	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
787		699
		700	if (!(m.flags_ & P_UPTODATE))
		701	/* nop */;
788	if (action == UP_OBJ_INSERT)	702	else if (action == UP_OBJ_INSERT)
789	{	703	{
		704	// this is likely overkill, TODO: revisit (schmorp)
790	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	705	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
791	update_now = 1;
792
793	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	706	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
794	update_now = 1;	707	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
795		708	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		709	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
796	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	710	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
797	update_now = 1;
798
799	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
800	update_now = 1;
801
802	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
803	update_now = 1;
804
805	if ((move_on | op->move_on) != move_on)	711	|| (m.move_on | op->move_on ) != m.move_on
806	update_now = 1;
807
808	if ((move_off | op->move_off) != move_off)	712	|| (m.move_off | op->move_off ) != m.move_off
809	update_now = 1;	713	|| (m.move_slow | op->move_slow) != m.move_slow
810
811	/* This isn't perfect, but I don't expect a lot of objects to	714	/* This isn't perfect, but I don't expect a lot of objects to
812	* to have move_allow right now.	715	* to have move_allow right now.
813	*/	716	*/
814	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	717	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
815	update_now = 1;	718	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
816		719	m.flags_ = 0;
817	if ((move_slow | op->move_slow) != move_slow)
818	update_now = 1;
819	}	720	}
820	/* if the object is being removed, we can't make intelligent	721	/* if the object is being removed, we can't make intelligent
821	* decisions, because remove_ob can't really pass the object	722	* decisions, because remove_ob can't really pass the object
822	* that is being removed.	723	* that is being removed.
823	*/	724	*/
824	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	725	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
825	update_now = 1;	726	m.flags_ = 0;
826	else if (action == UP_OBJ_FACE)	727	else if (action == UP_OBJ_FACE)
827	/* Nothing to do for that case */ ;	728	/* Nothing to do for that case */ ;
828	else	729	else
829	LOG (llevError, "update_object called with invalid action: %d\n", action);	730	LOG (llevError, "update_object called with invalid action: %d\n", action);
830		731
831	if (update_now)
832	{
833	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
834	update_position (op->map, op->x, op->y);
835	}
836
837	if (op->more != NULL)	732	if (op->more)
838	update_object (op->more, action);	733	update_object (op->more, action);
839	}
840
841	static unordered_vector<object *> mortals;
842	static std::vector<object *> freed;
843
844	void object::free_mortals ()
845	{
846	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();)
847	if ((*i)->refcnt)
848	++i; // further delay freeing
849	else
850	{
851	freed.push_back (*i);//D
852	//delete *i;
853	mortals.erase (i);
854	}
855
856	if (mortals.size())//D
857	LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D
858	}	734	}
859		735
860	object::object ()	736	object::object ()
861	{	737	{
862	SET_FLAG (this, FLAG_REMOVED);	738	SET_FLAG (this, FLAG_REMOVED);
863		739
864	expmul = 1.0;	740	expmul = 1.0;
865	face = blank_face;	741	face = blank_face;
866	attacked_by_count = -1;
867	}	742	}
868		743
869	object::~object ()	744	object::~object ()
870	{	745	{
		746	unlink ();
		747
871	free_key_values (this);	748	free_key_values (this);
872	}	749	}
873		750
		751	static int object_count;
		752
874	void object::link ()	753	void object::link ()
875	{	754	{
		755	assert (!index);//D
		756	uuid = gen_uuid ();
876	count = ++ob_count;	757	count = ++object_count;
877		758
878	prev = 0;	759	refcnt_inc ();
879	next = objects;	760	objects.insert (this);
880
881	if (objects)
882	objects->prev = this;
883
884	objects = this;
885	}	761	}
886		762
887	void object::unlink ()	763	void object::unlink ()
888	{	764	{
889	count = 0;
890
891	/* Remove this object from the list of used objects */
892	if (prev)
893	{
894	prev->next = next;
895	prev = 0;
896	}
897
898	if (next)	765	if (!index)
899	{	766	return;
900	next->prev = prev;	767
901	next = 0;	768	objects.erase (this);
		769	refcnt_dec ();
		770	}
		771
		772	void
		773	object::activate ()
		774	{
		775	/* If already on active list, don't do anything */
		776	if (active)
		777	return;
		778
		779	if (has_active_speed ())
		780	actives.insert (this);
		781	}
		782
		783	void
		784	object::activate_recursive ()
		785	{
		786	activate ();
		787
		788	for (object *op = inv; op; op = op->below)
		789	op->activate_recursive ();
		790	}
		791
		792	/* This function removes object 'op' from the list of active
		793	* objects.
		794	* This should only be used for style maps or other such
		795	* reference maps where you don't want an object that isn't
		796	* in play chewing up cpu time getting processed.
		797	* The reverse of this is to call update_ob_speed, which
		798	* will do the right thing based on the speed of the object.
		799	*/
		800	void
		801	object::deactivate ()
		802	{
		803	/* If not on the active list, nothing needs to be done */
		804	if (!active)
		805	return;
		806
		807	actives.erase (this);
		808	}
		809
		810	void
		811	object::deactivate_recursive ()
		812	{
		813	for (object *op = inv; op; op = op->below)
		814	op->deactivate_recursive ();
		815
		816	deactivate ();
		817	}
		818
		819	void
		820	object::set_flag_inv (int flag, int value)
		821	{
		822	for (object *op = inv; op; op = op->below)
902	}	823	{
		824	op->flag [flag] = value;
		825	op->set_flag_inv (flag, value);
		826	}
		827	}
903		828
904	if (this == objects)	829	/*
905	objects = next;	830	* Remove and free all objects in the inventory of the given object.
		831	* object.c ?
		832	*/
		833	void
		834	object::destroy_inv (bool drop_to_ground)
		835	{
		836	// need to check first, because the checks below might segfault
		837	// as we might be on an invalid mapspace and crossfire code
		838	// is too buggy to ensure that the inventory is empty.
		839	// corollary: if you create arrows etc. with stuff in tis inventory,
		840	// cf will crash below with off-map x and y
		841	if (!inv)
		842	return;
		843
		844	/* Only if the space blocks everything do we not process -
		845	* if some form of movement is allowed, let objects
		846	* drop on that space.
		847	*/
		848	if (!drop_to_ground
		849	|| !map
		850	|| map->in_memory != MAP_IN_MEMORY
		851	|| map->nodrop
		852	|| ms ().move_block == MOVE_ALL)
		853	{
		854	while (inv)
		855	{
		856	inv->destroy_inv (drop_to_ground);
		857	inv->destroy ();
		858	}
		859	}
		860	else
		861	{ /* Put objects in inventory onto this space */
		862	while (inv)
		863	{
		864	object *op = inv;
		865
		866	if (op->flag [FLAG_STARTEQUIP]
		867	|| op->flag [FLAG_NO_DROP]
		868	|| op->type == RUNE
		869	|| op->type == TRAP
		870	|| op->flag [FLAG_IS_A_TEMPLATE]
		871	|| op->flag [FLAG_DESTROY_ON_DEATH])
		872	op->destroy ();
		873	else
		874	map->insert (op, x, y);
		875	}
		876	}
906	}	877	}
907		878
908	object *object::create ()	879	object *object::create ()
909	{	880	{
910	object *op;
911
912	if (freed.empty ())
913	op = new object;	881	object *op = new object;
914	else
915	{
916	// highly annoying, but the only way to get it stable right now
917	op = freed.back ();
918	freed.pop_back ();
919	op->~object ();
920	new ((void *) op) object;
921	}
922
923	op->link ();	882	op->link ();
924	return op;	883	return op;
925	}	884	}
926		885
927	/*	886	void
928	* free_object() frees everything allocated by an object, removes	887	object::do_destroy ()
929	* it from the list of used objects, and puts it on the list of
930	* free objects. The IS_FREED() flag is set in the object.
931	* The object must have been removed by remove_ob() first for
932	* this function to succeed.
933	*
934	* If free_inventory is set, free inventory as well. Else drop items in
935	* inventory to the ground.
936	*/
937	void object::free (bool free_inventory)
938	{	888	{
939	if (QUERY_FLAG (this, FLAG_FREED))	889	attachable::do_destroy ();
		890
		891	if (flag [FLAG_IS_LINKED])
		892	remove_button_link (this);
		893
		894	if (flag [FLAG_FRIENDLY])
		895	remove_friendly_object (this);
		896
		897	if (!flag [FLAG_REMOVED])
		898	remove ();
		899
		900	destroy_inv (true);
		901
		902	deactivate ();
		903	unlink ();
		904
		905	flag [FLAG_FREED] = 1;
		906
		907	// hack to ensure that freed objects still have a valid map
		908	{
		909	static maptile *freed_map; // freed objects are moved here to avoid crashes
		910
		911	if (!freed_map)
		912	{
		913	freed_map = new maptile;
		914
		915	freed_map->name = "/internal/freed_objects_map";
		916	freed_map->width = 3;
		917	freed_map->height = 3;
		918
		919	freed_map->alloc ();
		920	freed_map->in_memory = MAP_IN_MEMORY;
		921	}
		922
		923	map = freed_map;
		924	x = 1;
		925	y = 1;
		926	}
		927
		928	head = 0;
		929
		930	if (more)
		931	{
		932	more->destroy ();
		933	more = 0;
		934	}
		935
		936	// clear those pointers that likely might have circular references to us
		937	owner = 0;
		938	enemy = 0;
		939	attacked_by = 0;
		940	}
		941
		942	void
		943	object::destroy (bool destroy_inventory)
		944	{
		945	if (destroyed ())
940	return;	946	return;
941		947
942	if (QUERY_FLAG (this, FLAG_FRIENDLY))	948	if (destroy_inventory)
943	remove_friendly_object (this);	949	destroy_inv (false);
944		950
945	if (!QUERY_FLAG (this, FLAG_REMOVED))	951	attachable::destroy ();
946	remove_ob (this);
947
948	SET_FLAG (this, FLAG_FREED);
949
950	if (more)
951	{
952	more->free (free_inventory);
953	more = 0;
954	}
955
956	if (inv)
957	{
958	/* Only if the space blocks everything do we not process -
959	* if some form of movement is allowed, let objects
960	* drop on that space.
961	*/
962	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
963	{
964	object *op = inv;
965
966	while (op)
967	{
968	object *tmp = op->below;
969	op->free (free_inventory);
970	op = tmp;
971	}
972	}
973	else
974	{ /* Put objects in inventory onto this space */
975	object *op = inv;
976
977	while (op)
978	{
979	object *tmp = op->below;
980
981	remove_ob (op);
982
983	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
984	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
985	free_object (op);
986	else
987	{
988	op->x = x;
989	op->y = y;
990	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
991	}
992
993	op = tmp;
994	}
995	}
996	}
997
998	owner = 0;
999
1000	/* Remove object from the active list */
1001	speed = 0;
1002	update_ob_speed (this);
1003
1004	unlink ();
1005
1006	mortals.push_back (this);
1007	}	952	}
1008		953
1009	/*	954	/*
1010	* sub_weight() recursively (outwards) subtracts a number from the	955	* sub_weight() recursively (outwards) subtracts a number from the
1011	* weight of an object (and what is carried by it's environment(s)).	956	* weight of an object (and what is carried by it's environment(s)).
1012	*/	957	*/
1013
1014	void	958	void
1015	sub_weight (object *op, signed long weight)	959	sub_weight (object *op, signed long weight)
1016	{	960	{
1017	while (op != NULL)	961	while (op != NULL)
1018	{	962	{
1019	if (op->type == CONTAINER)	963	if (op->type == CONTAINER)
1020	{
1021	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	964	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1022	}	965
1023	op->carrying -= weight;	966	op->carrying -= weight;
1024	op = op->env;	967	op = op->env;
1025	}	968	}
1026	}	969	}
1027		970
1028	/* remove_ob(op):	971	/* op->remove ():
1029	* This function removes the object op from the linked list of objects	972	* This function removes the object op from the linked list of objects
1030	* which it is currently tied to. When this function is done, the	973	* which it is currently tied to. When this function is done, the
1031	* object will have no environment. If the object previously had an	974	* object will have no environment. If the object previously had an
1032	* environment, the x and y coordinates will be updated to	975	* environment, the x and y coordinates will be updated to
1033	* the previous environment.	976	* the previous environment.
1034	* Beware: This function is called from the editor as well!
1035	*/	977	*/
1036
1037	void	978	void
1038	remove_ob (object *op)	979	object::do_remove ()
1039	{	980	{
		981	object *tmp, *last = 0;
1040	object *	982	object *otmp;
1041	tmp, *
1042	last = NULL;
1043	object *
1044	otmp;
1045		983
1046	tag_t
1047	tag;
1048	int
1049	check_walk_off;
1050	mapstruct *
1051	m;
1052
1053	sint16
1054	x,
1055	y;
1056
1057	if (QUERY_FLAG (op, FLAG_REMOVED))	984	if (QUERY_FLAG (this, FLAG_REMOVED))
1058	return;	985	return;
1059		986
1060	SET_FLAG (op, FLAG_REMOVED);	987	SET_FLAG (this, FLAG_REMOVED);
		988	INVOKE_OBJECT (REMOVE, this);
1061		989
1062	if (op->more != NULL)	990	if (more)
1063	remove_ob (op->more);	991	more->remove ();
1064		992
1065	/*	993	/*
1066	* In this case, the object to be removed is in someones	994	* In this case, the object to be removed is in someones
1067	* inventory.	995	* inventory.
1068	*/	996	*/
1069	if (op->env != NULL)	997	if (env)
1070	{	998	{
1071	if (op->nrof)	999	if (nrof)
1072	sub_weight (op->env, op->weight * op->nrof);	1000	sub_weight (env, weight * nrof);
1073	else	1001	else
1074	sub_weight (op->env, op->weight + op->carrying);	1002	sub_weight (env, weight + carrying);
1075		1003
1076	/* NO_FIX_PLAYER is set when a great many changes are being	1004	/* NO_FIX_PLAYER is set when a great many changes are being
1077	* made to players inventory. If set, avoiding the call	1005	* made to players inventory. If set, avoiding the call
1078	* to save cpu time.	1006	* to save cpu time.
1079	*/	1007	*/
1080	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1008	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1081	fix_player (otmp);	1009	otmp->update_stats ();
1082		1010
1083	if (op->above != NULL)	1011	if (above)
1084	op->above->below = op->below;	1012	above->below = below;
1085	else	1013	else
1086	op->env->inv = op->below;	1014	env->inv = below;
1087		1015
1088	if (op->below != NULL)	1016	if (below)
1089	op->below->above = op->above;	1017	below->above = above;
1090		1018
1091	/* we set up values so that it could be inserted into	1019	/* we set up values so that it could be inserted into
1092	* the map, but we don't actually do that - it is up	1020	* the map, but we don't actually do that - it is up
1093	* to the caller to decide what we want to do.	1021	* to the caller to decide what we want to do.
1094	*/	1022	*/
1095	op->x = op->env->x, op->y = op->env->y;	1023	x = env->x, y = env->y;
1096	op->map = op->env->map;	1024	map = env->map;
1097	op->above = NULL, op->below = NULL;	1025	above = 0, below = 0;
1098	op->env = NULL;	1026	env = 0;
1099	}	1027	}
1100	else if (op->map)	1028	else if (map)
1101	{	1029	{
1102	x = op->x;	1030	if (type == PLAYER)
1103	y = op->y;
1104	m = get_map_from_coord (op->map, &x, &y);
1105
1106	if (!m)
1107	{	1031	{
1108	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",	1032	// leaving a spot always closes any open container on the ground
1109	op->map->path, op->x, op->y);	1033	if (container && !container->env)
1110	/* in old days, we used to set x and y to 0 and continue.	1034	// this causes spurious floorbox updates, but it ensures
1111	* it seems if we get into this case, something is probablye	1035	// that the CLOSE event is being sent.
1112	* screwed up and should be fixed.	1036	close_container ();
1113	*/	1037
1114	abort ();	1038	--map->players;
		1039	map->touch ();
1115	}	1040	}
1116		1041
1117	if (op->map != m)	1042	map->dirty = true;
1118	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	1043	mapspace &ms = this->ms ();
1119	op->map->path, m->path, op->x, op->y, x, y);
1120
1121	/* Re did the following section of code - it looks like it had
1122	* lots of logic for things we no longer care about
1123	*/
1124		1044
1125	/* link the object above us */	1045	/* link the object above us */
1126	if (op->above)	1046	if (above)
1127	op->above->below = op->below;	1047	above->below = below;
1128	else	1048	else
1129	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1049	ms.top = below; /* we were top, set new top */
1130		1050
1131	/* Relink the object below us, if there is one */	1051	/* Relink the object below us, if there is one */
1132	if (op->below)	1052	if (below)
1133	op->below->above = op->above;	1053	below->above = above;
1134	else	1054	else
1135	{	1055	{
1136	/* Nothing below, which means we need to relink map object for this space	1056	/* Nothing below, which means we need to relink map object for this space
1137	* use translated coordinates in case some oddness with map tiling is	1057	* use translated coordinates in case some oddness with map tiling is
1138	* evident	1058	* evident
1139	*/	1059	*/
1140	if (GET_MAP_OB (m, x, y) != op)	1060	if (GET_MAP_OB (map, x, y) != this)
1141	{
1142	dump_object (op);
1143	LOG (llevError,
1144	"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);	1061	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 ());
1145	dump_object (GET_MAP_OB (m, x, y));
1146	LOG (llevError, "%s\n", errmsg);
1147	}
1148		1062
1149	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */	1063	ms.bot = above; /* goes on above it. */
1150	}	1064	}
1151		1065
1152	op->above = 0;	1066	above = 0;
1153	op->below = 0;	1067	below = 0;
1154		1068
1155	if (op->map->in_memory == MAP_SAVING)	1069	if (map->in_memory == MAP_SAVING)
1156	return;	1070	return;
1157		1071
1158	tag = op->count;	1072	int check_walk_off = !flag [FLAG_NO_APPLY];
1159	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1160		1073
1161	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1074	for (tmp = ms.bot; tmp; tmp = tmp->above)
1162	{	1075	{
1163	/* No point updating the players look faces if he is the object	1076	/* No point updating the players look faces if he is the object
1164	* being removed.	1077	* being removed.
1165	*/	1078	*/
1166		1079
1167	if (tmp->type == PLAYER && tmp != op)	1080	if (tmp->type == PLAYER && tmp != this)
1168	{	1081	{
1169	/* If a container that the player is currently using somehow gets	1082	/* If a container that the player is currently using somehow gets
1170	* removed (most likely destroyed), update the player view	1083	* removed (most likely destroyed), update the player view
1171	* appropriately.	1084	* appropriately.
1172	*/	1085	*/
1173	if (tmp->container == op)	1086	if (tmp->container == this)
1174	{	1087	{
1175	CLEAR_FLAG (op, FLAG_APPLIED);	1088	flag [FLAG_APPLIED] = 0;
1176	tmp->container = NULL;	1089	tmp->container = 0;
1177	}	1090	}
1178		1091
1179	tmp->contr->socket.update_look = 1;	1092	if (tmp->contr->ns)
		1093	tmp->contr->ns->floorbox_update ();
1180	}	1094	}
1181		1095
1182	/* See if player moving off should effect something */	1096	/* See if object moving off should effect something */
1183	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1097	if (check_walk_off
		1098	&& ((move_type & tmp->move_off)
		1099	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1184	{	1100	{
1185	move_apply (tmp, op, NULL);	1101	move_apply (tmp, this, 0);
1186		1102
1187	if (was_destroyed (op, tag))	1103	if (destroyed ())
1188	{
1189	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);	1104	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1190	}
1191	}	1105	}
1192		1106
1193	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1107	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1194		1108	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1195	if (tmp->above == tmp)	1109	if (tmp->above == tmp)
1196	tmp->above = NULL;	1110	tmp->above = 0;
1197		1111
1198	last = tmp;	1112	last = tmp;
1199	}	1113	}
1200		1114
1201	/* last == NULL of there are no objects on this space */	1115	/* last == NULL if there are no objects on this space */
		1116	//TODO: this makes little sense, why only update the topmost object?
1202	if (last == NULL)	1117	if (!last)
1203	{	1118	map->at (x, y).flags_ = 0;
1204	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1205	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1206	* those out anyways, and if there are any flags set right now, they won't
1207	* be correct anyways.
1208	*/
1209	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1210	update_position (op->map, op->x, op->y);
1211	}
1212	else	1119	else
1213	update_object (last, UP_OBJ_REMOVE);	1120	update_object (last, UP_OBJ_REMOVE);
1214		1121
1215	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1122	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1216	update_all_los (op->map, op->x, op->y);	1123	update_all_los (map, x, y);
1217	}	1124	}
1218	}	1125	}
1219		1126
1220	/*	1127	/*
1221	* merge_ob(op,top):	1128	* merge_ob(op,top):
…		…
1223	* This function goes through all objects below and including top, and	1130	* This function goes through all objects below and including top, and
1224	* merges op to the first matching object.	1131	* merges op to the first matching object.
1225	* If top is NULL, it is calculated.	1132	* If top is NULL, it is calculated.
1226	* Returns pointer to object if it succeded in the merge, otherwise NULL	1133	* Returns pointer to object if it succeded in the merge, otherwise NULL
1227	*/	1134	*/
1228
1229	object *	1135	object *
1230	merge_ob (object *op, object *top)	1136	merge_ob (object *op, object *top)
1231	{	1137	{
1232	if (!op->nrof)	1138	if (!op->nrof)
1233	return 0;	1139	return 0;
1234		1140
1235	if (top == NULL)	1141	if (top)
1236	for (top = op; top != NULL && top->above != NULL; top = top->above);	1142	for (top = op; top && top->above; top = top->above)
		1143	;
1237		1144
1238	for (; top != NULL; top = top->below)	1145	for (; top; top = top->below)
1239	{	1146	{
1240	if (top == op)	1147	if (top == op)
1241	continue;	1148	continue;
1242	if (CAN_MERGE (op, top))	1149
		1150	if (object::can_merge (op, top))
1243	{	1151	{
1244	top->nrof += op->nrof;	1152	top->nrof += op->nrof;
1245		1153
1246	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1154	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1247	op->weight = 0; /* Don't want any adjustements now */	1155	op->weight = 0; /* Don't want any adjustements now */
1248	remove_ob (op);	1156	op->destroy ();
1249	free_object (op);
1250	return top;	1157	return top;
1251	}	1158	}
1252	}	1159	}
1253		1160
1254	return NULL;	1161	return 0;
1255	}	1162	}
1256		1163
		1164	void
		1165	object::expand_tail ()
		1166	{
		1167	if (more)
		1168	return;
		1169
		1170	object *prev = this;
		1171
		1172	for (archetype *at = arch->more; at; at = at->more)
		1173	{
		1174	object *op = arch_to_object (at);
		1175
		1176	op->name = name;
		1177	op->name_pl = name_pl;
		1178	op->title = title;
		1179
		1180	op->head = this;
		1181	prev->more = op;
		1182
		1183	prev = op;
		1184	}
		1185	}
		1186
1257	/*	1187	/*
1258	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1188	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1259	* job preparing multi-part monsters	1189	* job preparing multi-part monsters.
1260	*/	1190	*/
1261	object *	1191	object *
1262	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1192	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1263	{	1193	{
1264	object *tmp;
1265
1266	if (op->head)
1267	op = op->head;
1268
1269	for (tmp = op; tmp; tmp = tmp->more)	1194	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1270	{	1195	{
1271	tmp->x = x + tmp->arch->clone.x;	1196	tmp->x = x + tmp->arch->clone.x;
1272	tmp->y = y + tmp->arch->clone.y;	1197	tmp->y = y + tmp->arch->clone.y;
1273	}	1198	}
1274		1199
…		…
1293	* Return value:	1218	* Return value:
1294	* new object if 'op' was merged with other object	1219	* new object if 'op' was merged with other object
1295	* NULL if 'op' was destroyed	1220	* NULL if 'op' was destroyed
1296	* just 'op' otherwise	1221	* just 'op' otherwise
1297	*/	1222	*/
1298
1299	object *	1223	object *
1300	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1224	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1301	{	1225	{
		1226	assert (!op->flag [FLAG_FREED]);
		1227
1302	object *tmp, *top, *floor = NULL;	1228	object *tmp, *top, *floor = NULL;
1303	sint16 x, y;
1304		1229
1305	if (QUERY_FLAG (op, FLAG_FREED))	1230	op->remove ();
1306	{
1307	LOG (llevError, "Trying to insert freed object!\n");
1308	return NULL;
1309	}
1310		1231
1311	if (m == NULL)	1232	#if 0
1312	{	1233	if (!m->active != !op->active)
1313	dump_object (op);	1234	if (m->active)
1314	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);	1235	op->activate_recursive ();
1315	return op;	1236	else
1316	}	1237	op->deactivate_recursive ();
		1238	#endif
1317		1239
1318	if (out_of_map (m, op->x, op->y))	1240	if (out_of_map (m, op->x, op->y))
1319	{	1241	{
1320	dump_object (op);
1321	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);	1242	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1322	#ifdef MANY_CORES	1243	#ifdef MANY_CORES
1323	/* Better to catch this here, as otherwise the next use of this object	1244	/* Better to catch this here, as otherwise the next use of this object
1324	* is likely to cause a crash. Better to find out where it is getting	1245	* is likely to cause a crash. Better to find out where it is getting
1325	* improperly inserted.	1246	* improperly inserted.
1326	*/	1247	*/
1327	abort ();	1248	abort ();
1328	#endif	1249	#endif
1329	return op;	1250	return op;
1330	}	1251	}
1331		1252
1332	if (!QUERY_FLAG (op, FLAG_REMOVED))
1333	{
1334	dump_object (op);
1335	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1336	return op;
1337	}
1338
1339	if (op->more != NULL)
1340	{
1341	/* The part may be on a different map. */
1342
1343	object *more = op->more;	1253	if (object *more = op->more)
1344		1254	{
1345	/* We really need the caller to normalize coordinates - if
1346	* we set the map, that doesn't work if the location is within
1347	* a map and this is straddling an edge. So only if coordinate
1348	* is clear wrong do we normalize it.
1349	*/
1350	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1351	more->map = get_map_from_coord (m, &more->x, &more->y);
1352	else if (!more->map)
1353	{
1354	/* For backwards compatibility - when not dealing with tiled maps,
1355	* more->map should always point to the parent.
1356	*/
1357	more->map = m;
1358	}
1359
1360	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1255	if (!insert_ob_in_map (more, m, originator, flag))
1361	{	1256	{
1362	if (!op->head)	1257	if (!op->head)
1363	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1258	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1364		1259
1365	return NULL;	1260	return 0;
1366	}	1261	}
1367	}	1262	}
1368		1263
1369	CLEAR_FLAG (op, FLAG_REMOVED);	1264	CLEAR_FLAG (op, FLAG_REMOVED);
1370		1265
1371	/* Ideally, the caller figures this out. However, it complicates a lot	1266	/* Ideally, the caller figures this out. However, it complicates a lot
1372	* of areas of callers (eg, anything that uses find_free_spot would now	1267	* of areas of callers (eg, anything that uses find_free_spot would now
1373	* need extra work	1268	* need extra work
1374	*/	1269	*/
1375	op->map = get_map_from_coord (m, &op->x, &op->y);	1270	if (!xy_normalise (m, op->x, op->y))
1376	x = op->x;	1271	return 0;
1377	y = op->y;	1272
		1273	op->map = m;
		1274	mapspace &ms = op->ms ();
1378		1275
1379	/* this has to be done after we translate the coordinates.	1276	/* this has to be done after we translate the coordinates.
1380	*/	1277	*/
1381	if (op->nrof && !(flag & INS_NO_MERGE))	1278	if (op->nrof && !(flag & INS_NO_MERGE))
1382	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1279	for (tmp = ms.bot; tmp; tmp = tmp->above)
1383	if (CAN_MERGE (op, tmp))	1280	if (object::can_merge (op, tmp))
1384	{	1281	{
1385	op->nrof += tmp->nrof;	1282	op->nrof += tmp->nrof;
1386	remove_ob (tmp);	1283	tmp->destroy ();
1387	free_object (tmp);
1388	}	1284	}
1389		1285
1390	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1286	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1391	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1287	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1392		1288
…		…
1405	op->below = originator->below;	1301	op->below = originator->below;
1406		1302
1407	if (op->below)	1303	if (op->below)
1408	op->below->above = op;	1304	op->below->above = op;
1409	else	1305	else
1410	SET_MAP_OB (op->map, op->x, op->y, op);	1306	ms.bot = op;
1411		1307
1412	/* since *below* originator, no need to update top */	1308	/* since *below* originator, no need to update top */
1413	originator->below = op;	1309	originator->below = op;
1414	}	1310	}
1415	else	1311	else
1416	{	1312	{
		1313	top = ms.bot;
		1314
1417	/* If there are other objects, then */	1315	/* If there are other objects, then */
1418	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1316	if ((!(flag & INS_MAP_LOAD)) && top)
1419	{	1317	{
1420	object *last = NULL;	1318	object *last = 0;
1421		1319
1422	/*	1320	/*
1423	* If there are multiple objects on this space, we do some trickier handling.	1321	* If there are multiple objects on this space, we do some trickier handling.
1424	* We've already dealt with merging if appropriate.	1322	* We've already dealt with merging if appropriate.
1425	* Generally, we want to put the new object on top. But if	1323	* Generally, we want to put the new object on top. But if
…		…
1429	* once we get to them. This reduces the need to traverse over all of	1327	* once we get to them. This reduces the need to traverse over all of
1430	* them when adding another one - this saves quite a bit of cpu time	1328	* them when adding another one - this saves quite a bit of cpu time
1431	* when lots of spells are cast in one area. Currently, it is presumed	1329	* when lots of spells are cast in one area. Currently, it is presumed
1432	* that flying non pickable objects are spell objects.	1330	* that flying non pickable objects are spell objects.
1433	*/	1331	*/
1434		1332	for (top = ms.bot; top; top = top->above)
1435	while (top != NULL)
1436	{	1333	{
1437	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1334	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1438	floor = top;	1335	floor = top;
1439		1336
1440	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1337	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1443	top = top->below;	1340	top = top->below;
1444	break;	1341	break;
1445	}	1342	}
1446		1343
1447	last = top;	1344	last = top;
1448	top = top->above;
1449	}	1345	}
1450		1346
1451	/* Don't want top to be NULL, so set it to the last valid object */	1347	/* Don't want top to be NULL, so set it to the last valid object */
1452	top = last;	1348	top = last;
1453		1349
…		…
1455	* looks like instead of lots of conditions here.	1351	* looks like instead of lots of conditions here.
1456	* makes things faster, and effectively the same result.	1352	* makes things faster, and effectively the same result.
1457	*/	1353	*/
1458		1354
1459	/* Have object 'fall below' other objects that block view.	1355	/* Have object 'fall below' other objects that block view.
1460	* Unless those objects are exits, type 66	1356	* Unless those objects are exits.
1461	* If INS_ON_TOP is used, don't do this processing	1357	* If INS_ON_TOP is used, don't do this processing
1462	* Need to find the object that in fact blocks view, otherwise	1358	* Need to find the object that in fact blocks view, otherwise
1463	* stacking is a bit odd.	1359	* stacking is a bit odd.
1464	*/	1360	*/
1465	if (!(flag & INS_ON_TOP) &&	1361	if (!(flag & INS_ON_TOP)
1466	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1362	&& ms.flags () & P_BLOCKSVIEW
		1363	&& (op->face && !faces [op->face].visibility))
1467	{	1364	{
1468	for (last = top; last != floor; last = last->below)	1365	for (last = top; last != floor; last = last->below)
1469	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1366	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1470	break;	1367	break;
		1368
1471	/* Check to see if we found the object that blocks view,	1369	/* Check to see if we found the object that blocks view,
1472	* and make sure we have a below pointer for it so that	1370	* and make sure we have a below pointer for it so that
1473	* we can get inserted below this one, which requires we	1371	* we can get inserted below this one, which requires we
1474	* set top to the object below us.	1372	* set top to the object below us.
1475	*/	1373	*/
…		…
1477	top = last->below;	1375	top = last->below;
1478	}	1376	}
1479	} /* If objects on this space */	1377	} /* If objects on this space */
1480		1378
1481	if (flag & INS_MAP_LOAD)	1379	if (flag & INS_MAP_LOAD)
1482	top = GET_MAP_TOP (op->map, op->x, op->y);	1380	top = ms.top;
1483		1381
1484	if (flag & INS_ABOVE_FLOOR_ONLY)	1382	if (flag & INS_ABOVE_FLOOR_ONLY)
1485	top = floor;	1383	top = floor;
1486		1384
1487	/* Top is the object that our object (op) is going to get inserted above.	1385	/* Top is the object that our object (op) is going to get inserted above.
1488	*/	1386	*/
1489		1387
1490	/* First object on this space */	1388	/* First object on this space */
1491	if (!top)	1389	if (!top)
1492	{	1390	{
1493	op->above = GET_MAP_OB (op->map, op->x, op->y);	1391	op->above = ms.bot;
1494		1392
1495	if (op->above)	1393	if (op->above)
1496	op->above->below = op;	1394	op->above->below = op;
1497		1395
1498	op->below = NULL;	1396	op->below = 0;
1499	SET_MAP_OB (op->map, op->x, op->y, op);	1397	ms.bot = op;
1500	}	1398	}
1501	else	1399	else
1502	{ /* get inserted into the stack above top */	1400	{ /* get inserted into the stack above top */
1503	op->above = top->above;	1401	op->above = top->above;
1504		1402
…		…
1507		1405
1508	op->below = top;	1406	op->below = top;
1509	top->above = op;	1407	top->above = op;
1510	}	1408	}
1511		1409
1512	if (op->above == NULL)	1410	if (!op->above)
1513	SET_MAP_TOP (op->map, op->x, op->y, op);	1411	ms.top = op;
1514	} /* else not INS_BELOW_ORIGINATOR */	1412	} /* else not INS_BELOW_ORIGINATOR */
1515		1413
1516	if (op->type == PLAYER)	1414	if (op->type == PLAYER)
		1415	{
1517	op->contr->do_los = 1;	1416	op->contr->do_los = 1;
		1417	++op->map->players;
		1418	op->map->touch ();
		1419	}
		1420
		1421	op->map->dirty = true;
1518		1422
1519	/* If we have a floor, we know the player, if any, will be above	1423	/* If we have a floor, we know the player, if any, will be above
1520	* it, so save a few ticks and start from there.	1424	* it, so save a few ticks and start from there.
1521	*/	1425	*/
1522	if (!(flag & INS_MAP_LOAD))	1426	if (!(flag & INS_MAP_LOAD))
1523	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1427	if (object *pl = ms.player ())
1524	if (tmp->type == PLAYER)	1428	if (pl->contr->ns)
1525	tmp->contr->socket.update_look = 1;	1429	pl->contr->ns->floorbox_update ();
1526		1430
1527	/* If this object glows, it may affect lighting conditions that are	1431	/* If this object glows, it may affect lighting conditions that are
1528	* visible to others on this map. But update_all_los is really	1432	* visible to others on this map. But update_all_los is really
1529	* an inefficient way to do this, as it means los for all players	1433	* an inefficient way to do this, as it means los for all players
1530	* on the map will get recalculated. The players could very well	1434	* on the map will get recalculated. The players could very well
1531	* be far away from this change and not affected in any way -	1435	* be far away from this change and not affected in any way -
1532	* this should get redone to only look for players within range,	1436	* this should get redone to only look for players within range,
1533	* or just updating the P_NEED_UPDATE for spaces within this area	1437	* or just updating the P_UPTODATE for spaces within this area
1534	* of effect may be sufficient.	1438	* of effect may be sufficient.
1535	*/	1439	*/
1536	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1440	if (op->map->darkness && (op->glow_radius != 0))
1537	update_all_los (op->map, op->x, op->y);	1441	update_all_los (op->map, op->x, op->y);
1538		1442
1539	/* updates flags (blocked, alive, no magic, etc) for this map space */	1443	/* updates flags (blocked, alive, no magic, etc) for this map space */
1540	update_object (op, UP_OBJ_INSERT);	1444	update_object (op, UP_OBJ_INSERT);
1541		1445
		1446	INVOKE_OBJECT (INSERT, op);
		1447
1542	/* Don't know if moving this to the end will break anything. However,	1448	/* Don't know if moving this to the end will break anything. However,
1543	* we want to have update_look set above before calling this.	1449	* we want to have floorbox_update called before calling this.
1544	*	1450	*
1545	* check_move_on() must be after this because code called from	1451	* check_move_on() must be after this because code called from
1546	* check_move_on() depends on correct map flags (so functions like	1452	* check_move_on() depends on correct map flags (so functions like
1547	* blocked() and wall() work properly), and these flags are updated by	1453	* blocked() and wall() work properly), and these flags are updated by
1548	* update_object().	1454	* update_object().
…		…
1550		1456
1551	/* if this is not the head or flag has been passed, don't check walk on status */	1457	/* if this is not the head or flag has been passed, don't check walk on status */
1552	if (!(flag & INS_NO_WALK_ON) && !op->head)	1458	if (!(flag & INS_NO_WALK_ON) && !op->head)
1553	{	1459	{
1554	if (check_move_on (op, originator))	1460	if (check_move_on (op, originator))
1555	return NULL;	1461	return 0;
1556		1462
1557	/* If we are a multi part object, lets work our way through the check	1463	/* If we are a multi part object, lets work our way through the check
1558	* walk on's.	1464	* walk on's.
1559	*/	1465	*/
1560	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1466	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1561	if (check_move_on (tmp, originator))	1467	if (check_move_on (tmp, originator))
1562	return NULL;	1468	return 0;
1563	}	1469	}
1564		1470
1565	return op;	1471	return op;
1566	}	1472	}
1567		1473
1568	/* this function inserts an object in the map, but if it	1474	/* this function inserts an object in the map, but if it
1569	* finds an object of its own type, it'll remove that one first.	1475	* finds an object of its own type, it'll remove that one first.
1570	* op is the object to insert it under: supplies x and the map.	1476	* op is the object to insert it under: supplies x and the map.
1571	*/	1477	*/
1572	void	1478	void
1573	replace_insert_ob_in_map (const char *arch_string, object *op)	1479	replace_insert_ob_in_map (const char *arch_string, object *op)
1574	{	1480	{
1575	object *	1481	object *tmp, *tmp1;
1576	tmp;
1577	object *
1578	tmp1;
1579		1482
1580	/* first search for itself and remove any old instances */	1483	/* first search for itself and remove any old instances */
1581		1484
1582	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1485	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1583	{
1584	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1486	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1585	{	1487	tmp->destroy ();
1586	remove_ob (tmp);
1587	free_object (tmp);
1588	}
1589	}
1590		1488
1591	tmp1 = arch_to_object (find_archetype (arch_string));	1489	tmp1 = arch_to_object (archetype::find (arch_string));
1592		1490
1593	tmp1->x = op->x;	1491	tmp1->x = op->x;
1594	tmp1->y = op->y;	1492	tmp1->y = op->y;
1595	insert_ob_in_map (tmp1, op->map, op, 0);	1493	insert_ob_in_map (tmp1, op->map, op, 0);
		1494	}
		1495
		1496	object *
		1497	object::insert_at (object *where, object *originator, int flags)
		1498	{
		1499	return where->map->insert (this, where->x, where->y, originator, flags);
1596	}	1500	}
1597		1501
1598	/*	1502	/*
1599	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1503	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1600	* is returned contains nr objects, and the remaining parts contains	1504	* is returned contains nr objects, and the remaining parts contains
1601	* the rest (or is removed and freed if that number is 0).	1505	* the rest (or is removed and freed if that number is 0).
1602	* On failure, NULL is returned, and the reason put into the	1506	* On failure, NULL is returned, and the reason put into the
1603	* global static errmsg array.	1507	* global static errmsg array.
1604	*/	1508	*/
1605
1606	object *	1509	object *
1607	get_split_ob (object *orig_ob, uint32 nr)	1510	get_split_ob (object *orig_ob, uint32 nr)
1608	{	1511	{
1609	object *	1512	object *newob;
1610	newob;
1611	int
1612	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1513	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1613		1514
1614	if (orig_ob->nrof < nr)	1515	if (orig_ob->nrof < nr)
1615	{	1516	{
1616	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1517	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1617	return NULL;	1518	return NULL;
1618	}	1519	}
1619		1520
1620	newob = object_create_clone (orig_ob);	1521	newob = object_create_clone (orig_ob);
1621		1522
1622	if ((orig_ob->nrof -= nr) < 1)	1523	if ((orig_ob->nrof -= nr) < 1)
1623	{	1524	orig_ob->destroy (1);
1624	if (!is_removed)
1625	remove_ob (orig_ob);
1626	free_object2 (orig_ob, 1);
1627	}
1628	else if (!is_removed)	1525	else if (!is_removed)
1629	{	1526	{
1630	if (orig_ob->env != NULL)	1527	if (orig_ob->env != NULL)
1631	sub_weight (orig_ob->env, orig_ob->weight * nr);	1528	sub_weight (orig_ob->env, orig_ob->weight * nr);
1632	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1529	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1647	* the amount of an object. If the amount reaches 0, the object	1544	* the amount of an object. If the amount reaches 0, the object
1648	* is subsequently removed and freed.	1545	* is subsequently removed and freed.
1649	*	1546	*
1650	* Return value: 'op' if something is left, NULL if the amount reached 0	1547	* Return value: 'op' if something is left, NULL if the amount reached 0
1651	*/	1548	*/
1652
1653	object *	1549	object *
1654	decrease_ob_nr (object *op, uint32 i)	1550	decrease_ob_nr (object *op, uint32 i)
1655	{	1551	{
1656	object *tmp;	1552	object *tmp;
1657	player *pl;
1658		1553
1659	if (i == 0) /* objects with op->nrof require this check */	1554	if (i == 0) /* objects with op->nrof require this check */
1660	return op;	1555	return op;
1661		1556
1662	if (i > op->nrof)	1557	if (i > op->nrof)
1663	i = op->nrof;	1558	i = op->nrof;
1664		1559
1665	if (QUERY_FLAG (op, FLAG_REMOVED))	1560	if (QUERY_FLAG (op, FLAG_REMOVED))
1666	op->nrof -= i;	1561	op->nrof -= i;
1667	else if (op->env != NULL)	1562	else if (op->env)
1668	{	1563	{
1669	/* is this object in the players inventory, or sub container	1564	/* is this object in the players inventory, or sub container
1670	* therein?	1565	* therein?
1671	*/	1566	*/
1672	tmp = is_player_inv (op->env);	1567	tmp = op->in_player ();
1673	/* nope. Is this a container the player has opened?	1568	/* nope. Is this a container the player has opened?
1674	* If so, set tmp to that player.	1569	* If so, set tmp to that player.
1675	* IMO, searching through all the players will mostly	1570	* IMO, searching through all the players will mostly
1676	* likely be quicker than following op->env to the map,	1571	* likely be quicker than following op->env to the map,
1677	* and then searching the map for a player.	1572	* and then searching the map for a player.
1678	*/	1573	*/
1679	if (!tmp)	1574	if (!tmp)
1680	{	1575	for_all_players (pl)
1681	for (pl = first_player; pl; pl = pl->next)
1682	if (pl->ob->container == op->env)	1576	if (pl->ob->container == op->env)
		1577	{
		1578	tmp = pl->ob;
1683	break;	1579	break;
1684	if (pl)
1685	tmp = pl->ob;
1686	else
1687	tmp = NULL;
1688	}	1580	}
1689		1581
1690	if (i < op->nrof)	1582	if (i < op->nrof)
1691	{	1583	{
1692	sub_weight (op->env, op->weight * i);	1584	sub_weight (op->env, op->weight * i);
1693	op->nrof -= i;	1585	op->nrof -= i;
1694	if (tmp)	1586	if (tmp)
1695	{
1696	esrv_send_item (tmp, op);	1587	esrv_send_item (tmp, op);
1697	}
1698	}	1588	}
1699	else	1589	else
1700	{	1590	{
1701	remove_ob (op);	1591	op->remove ();
1702	op->nrof = 0;	1592	op->nrof = 0;
1703	if (tmp)	1593	if (tmp)
1704	{
1705	esrv_del_item (tmp->contr, op->count);	1594	esrv_del_item (tmp->contr, op->count);
1706	}
1707	}	1595	}
1708	}	1596	}
1709	else	1597	else
1710	{	1598	{
1711	object *above = op->above;	1599	object *above = op->above;
1712		1600
1713	if (i < op->nrof)	1601	if (i < op->nrof)
1714	op->nrof -= i;	1602	op->nrof -= i;
1715	else	1603	else
1716	{	1604	{
1717	remove_ob (op);	1605	op->remove ();
1718	op->nrof = 0;	1606	op->nrof = 0;
1719	}	1607	}
1720		1608
1721	/* Since we just removed op, op->above is null */	1609	/* Since we just removed op, op->above is null */
1722	for (tmp = above; tmp != NULL; tmp = tmp->above)	1610	for (tmp = above; tmp; tmp = tmp->above)
1723	if (tmp->type == PLAYER)	1611	if (tmp->type == PLAYER)
1724	{	1612	{
1725	if (op->nrof)	1613	if (op->nrof)
1726	esrv_send_item (tmp, op);	1614	esrv_send_item (tmp, op);
1727	else	1615	else
…		…
1731		1619
1732	if (op->nrof)	1620	if (op->nrof)
1733	return op;	1621	return op;
1734	else	1622	else
1735	{	1623	{
1736	free_object (op);	1624	op->destroy ();
1737	return NULL;	1625	return 0;
1738	}	1626	}
1739	}	1627	}
1740		1628
1741	/*	1629	/*
1742	* add_weight(object, weight) adds the specified weight to an object,	1630	* add_weight(object, weight) adds the specified weight to an object,
1743	* and also updates how much the environment(s) is/are carrying.	1631	* and also updates how much the environment(s) is/are carrying.
1744	*/	1632	*/
1745
1746	void	1633	void
1747	add_weight (object *op, signed long weight)	1634	add_weight (object *op, signed long weight)
1748	{	1635	{
1749	while (op != NULL)	1636	while (op != NULL)
1750	{	1637	{
…		…
1754	op->carrying += weight;	1641	op->carrying += weight;
1755	op = op->env;	1642	op = op->env;
1756	}	1643	}
1757	}	1644	}
1758		1645
		1646	object *
		1647	insert_ob_in_ob (object *op, object *where)
		1648	{
		1649	if (!where)
		1650	{
		1651	char *dump = dump_object (op);
		1652	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1653	free (dump);
		1654	return op;
		1655	}
		1656
		1657	if (where->head)
		1658	{
		1659	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1660	where = where->head;
		1661	}
		1662
		1663	return where->insert (op);
		1664	}
		1665
1759	/*	1666	/*
1760	* insert_ob_in_ob(op,environment):	1667	* env->insert (op)
1761	* This function inserts the object op in the linked list	1668	* This function inserts the object op in the linked list
1762	* inside the object environment.	1669	* inside the object environment.
1763	*	1670	*
1764	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1765	* the inventory at the last position or next to other objects of the same
1766	* type.
1767	* Frank: Now sorted by type, archetype and magic!
1768	*
1769	* The function returns now pointer to inserted item, and return value can	1671	* The function returns now pointer to inserted item, and return value can
1770	* be != op, if items are merged. -Tero	1672	* be != op, if items are merged. -Tero
1771	*/	1673	*/
1772
1773	object *	1674	object *
1774	insert_ob_in_ob (object *op, object *where)	1675	object::insert (object *op)
1775	{	1676	{
1776	object *	1677	object *tmp, *otmp;
1777	tmp, *
1778	otmp;
1779		1678
1780	if (!QUERY_FLAG (op, FLAG_REMOVED))	1679	if (!QUERY_FLAG (op, FLAG_REMOVED))
1781	{	1680	op->remove ();
1782	dump_object (op);
1783	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1784	return op;
1785	}
1786
1787	if (where == NULL)
1788	{
1789	dump_object (op);
1790	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1791	return op;
1792	}
1793
1794	if (where->head)
1795	{
1796	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1797	where = where->head;
1798	}
1799		1681
1800	if (op->more)	1682	if (op->more)
1801	{	1683	{
1802	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1684	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1803	return op;	1685	return op;
…		…
1805		1687
1806	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1688	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1807	CLEAR_FLAG (op, FLAG_REMOVED);	1689	CLEAR_FLAG (op, FLAG_REMOVED);
1808	if (op->nrof)	1690	if (op->nrof)
1809	{	1691	{
1810	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1692	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1811	if (CAN_MERGE (tmp, op))	1693	if (object::can_merge (tmp, op))
1812	{	1694	{
1813	/* return the original object and remove inserted object	1695	/* return the original object and remove inserted object
1814	(client needs the original object) */	1696	(client needs the original object) */
1815	tmp->nrof += op->nrof;	1697	tmp->nrof += op->nrof;
1816	/* Weight handling gets pretty funky. Since we are adding to	1698	/* Weight handling gets pretty funky. Since we are adding to
1817	* tmp->nrof, we need to increase the weight.	1699	* tmp->nrof, we need to increase the weight.
1818	*/	1700	*/
1819	add_weight (where, op->weight * op->nrof);	1701	add_weight (this, op->weight * op->nrof);
1820	SET_FLAG (op, FLAG_REMOVED);	1702	SET_FLAG (op, FLAG_REMOVED);
1821	free_object (op); /* free the inserted object */	1703	op->destroy (); /* free the inserted object */
1822	op = tmp;	1704	op = tmp;
1823	remove_ob (op); /* and fix old object's links */	1705	op->remove (); /* and fix old object's links */
1824	CLEAR_FLAG (op, FLAG_REMOVED);	1706	CLEAR_FLAG (op, FLAG_REMOVED);
1825	break;	1707	break;
1826	}	1708	}
1827		1709
1828	/* I assume combined objects have no inventory	1710	/* I assume combined objects have no inventory
1829	* We add the weight - this object could have just been removed	1711	* We add the weight - this object could have just been removed
1830	* (if it was possible to merge). calling remove_ob will subtract	1712	* (if it was possible to merge). calling remove_ob will subtract
1831	* the weight, so we need to add it in again, since we actually do	1713	* the weight, so we need to add it in again, since we actually do
1832	* the linking below	1714	* the linking below
1833	*/	1715	*/
1834	add_weight (where, op->weight * op->nrof);	1716	add_weight (this, op->weight * op->nrof);
1835	}	1717	}
1836	else	1718	else
1837	add_weight (where, (op->weight + op->carrying));	1719	add_weight (this, (op->weight + op->carrying));
1838		1720
1839	otmp = is_player_inv (where);	1721	otmp = this->in_player ();
1840	if (otmp && otmp->contr != NULL)	1722	if (otmp && otmp->contr)
1841	{
1842	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1723	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1843	fix_player (otmp);	1724	otmp->update_stats ();
1844	}
1845		1725
1846	op->map = NULL;	1726	op->map = 0;
1847	op->env = where;	1727	op->env = this;
1848	op->above = NULL;	1728	op->above = 0;
1849	op->below = NULL;	1729	op->below = 0;
1850	op->x = 0, op->y = 0;	1730	op->x = 0, op->y = 0;
1851		1731
1852	/* reset the light list and los of the players on the map */	1732	/* reset the light list and los of the players on the map */
1853	if ((op->glow_radius != 0) && where->map)	1733	if ((op->glow_radius != 0) && map)
1854	{	1734	{
1855	#ifdef DEBUG_LIGHTS	1735	#ifdef DEBUG_LIGHTS
1856	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1736	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1857	#endif /* DEBUG_LIGHTS */	1737	#endif /* DEBUG_LIGHTS */
1858	if (MAP_DARKNESS (where->map))	1738	if (map->darkness)
1859	update_all_los (where->map, where->x, where->y);	1739	update_all_los (map, x, y);
1860	}	1740	}
1861		1741
1862	/* Client has no idea of ordering so lets not bother ordering it here.	1742	/* Client has no idea of ordering so lets not bother ordering it here.
1863	* It sure simplifies this function...	1743	* It sure simplifies this function...
1864	*/	1744	*/
1865	if (where->inv == NULL)	1745	if (!inv)
1866	where->inv = op;	1746	inv = op;
1867	else	1747	else
1868	{	1748	{
1869	op->below = where->inv;	1749	op->below = inv;
1870	op->below->above = op;	1750	op->below->above = op;
1871	where->inv = op;	1751	inv = op;
1872	}	1752	}
		1753
		1754	INVOKE_OBJECT (INSERT, this);
		1755
1873	return op;	1756	return op;
1874	}	1757	}
1875		1758
1876	/*	1759	/*
1877	* Checks if any objects has a move_type that matches objects	1760	* Checks if any objects has a move_type that matches objects
…		…
1891	*	1774	*
1892	* MSW 2001-07-08: Check all objects on space, not just those below	1775	* MSW 2001-07-08: Check all objects on space, not just those below
1893	* object being inserted. insert_ob_in_map may not put new objects	1776	* object being inserted. insert_ob_in_map may not put new objects
1894	* on top.	1777	* on top.
1895	*/	1778	*/
1896
1897	int	1779	int
1898	check_move_on (object *op, object *originator)	1780	check_move_on (object *op, object *originator)
1899	{	1781	{
1900	object *	1782	object *tmp;
1901	tmp;	1783	maptile *m = op->map;
1902	tag_t
1903	tag;
1904	mapstruct *
1905	m = op->map;
1906	int
1907	x = op->x, y = op->y;	1784	int x = op->x, y = op->y;
1908		1785
1909	MoveType	1786	MoveType move_on, move_slow, move_block;
1910	move_on,
1911	move_slow,
1912	move_block;
1913		1787
1914	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1788	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1915	return 0;	1789	return 0;
1916
1917	tag = op->count;
1918		1790
1919	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1791	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
1920	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1792	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
1921	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1793	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1922		1794
…		…
1938		1810
1939	/* The objects have to be checked from top to bottom.	1811	/* The objects have to be checked from top to bottom.
1940	* Hence, we first go to the top:	1812	* Hence, we first go to the top:
1941	*/	1813	*/
1942		1814
1943	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1815	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1944	{	1816	{
1945	/* Trim the search when we find the first other spell effect	1817	/* Trim the search when we find the first other spell effect
1946	* this helps performance so that if a space has 50 spell objects,	1818	* this helps performance so that if a space has 50 spell objects,
1947	* we don't need to check all of them.	1819	* we don't need to check all of them.
1948	*/	1820	*/
…		…
1966	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1838	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1967	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1839	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1968	{	1840	{
1969		1841
1970	float	1842	float
1971	diff = tmp->move_slow_penalty * FABS (op->speed);	1843	diff = tmp->move_slow_penalty * fabs (op->speed);
1972		1844
1973	if (op->type == PLAYER)	1845	if (op->type == PLAYER)
1974	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1846	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1975	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1847	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1976	diff /= 4.0;	1848	diff /= 4.0;
…		…
1983	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1855	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1984	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1856	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1985	{	1857	{
1986	move_apply (tmp, op, originator);	1858	move_apply (tmp, op, originator);
1987		1859
1988	if (was_destroyed (op, tag))	1860	if (op->destroyed ())
1989	return 1;	1861	return 1;
1990		1862
1991	/* what the person/creature stepped onto has moved the object	1863	/* what the person/creature stepped onto has moved the object
1992	* someplace new. Don't process any further - if we did,	1864	* someplace new. Don't process any further - if we did,
1993	* have a feeling strange problems would result.	1865	* have a feeling strange problems would result.
…		…
2003	/*	1875	/*
2004	* present_arch(arch, map, x, y) searches for any objects with	1876	* present_arch(arch, map, x, y) searches for any objects with
2005	* a matching archetype at the given map and coordinates.	1877	* a matching archetype at the given map and coordinates.
2006	* The first matching object is returned, or NULL if none.	1878	* The first matching object is returned, or NULL if none.
2007	*/	1879	*/
2008
2009	object *	1880	object *
2010	present_arch (const archetype *at, mapstruct *m, int x, int y)	1881	present_arch (const archetype *at, maptile *m, int x, int y)
2011	{	1882	{
2012	object *
2013	tmp;
2014
2015	if (m == NULL || out_of_map (m, x, y))	1883	if (!m || out_of_map (m, x, y))
2016	{	1884	{
2017	LOG (llevError, "Present_arch called outside map.\n");	1885	LOG (llevError, "Present_arch called outside map.\n");
2018	return NULL;	1886	return NULL;
2019	}	1887	}
2020	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1888
		1889	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2021	if (tmp->arch == at)	1890	if (tmp->arch == at)
2022	return tmp;	1891	return tmp;
		1892
2023	return NULL;	1893	return NULL;
2024	}	1894	}
2025		1895
2026	/*	1896	/*
2027	* present(type, map, x, y) searches for any objects with	1897	* present(type, map, x, y) searches for any objects with
2028	* a matching type variable at the given map and coordinates.	1898	* a matching type variable at the given map and coordinates.
2029	* The first matching object is returned, or NULL if none.	1899	* The first matching object is returned, or NULL if none.
2030	*/	1900	*/
2031
2032	object *	1901	object *
2033	present (unsigned char type, mapstruct *m, int x, int y)	1902	present (unsigned char type, maptile *m, int x, int y)
2034	{	1903	{
2035	object *
2036	tmp;
2037
2038	if (out_of_map (m, x, y))	1904	if (out_of_map (m, x, y))
2039	{	1905	{
2040	LOG (llevError, "Present called outside map.\n");	1906	LOG (llevError, "Present called outside map.\n");
2041	return NULL;	1907	return NULL;
2042	}	1908	}
2043	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1909
		1910	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2044	if (tmp->type == type)	1911	if (tmp->type == type)
2045	return tmp;	1912	return tmp;
		1913
2046	return NULL;	1914	return NULL;
2047	}	1915	}
2048		1916
2049	/*	1917	/*
2050	* present_in_ob(type, object) searches for any objects with	1918	* present_in_ob(type, object) searches for any objects with
2051	* a matching type variable in the inventory of the given object.	1919	* a matching type variable in the inventory of the given object.
2052	* The first matching object is returned, or NULL if none.	1920	* The first matching object is returned, or NULL if none.
2053	*/	1921	*/
2054
2055	object *	1922	object *
2056	present_in_ob (unsigned char type, const object *op)	1923	present_in_ob (unsigned char type, const object *op)
2057	{	1924	{
2058	object *
2059	tmp;
2060
2061	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1925	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2062	if (tmp->type == type)	1926	if (tmp->type == type)
2063	return tmp;	1927	return tmp;
		1928
2064	return NULL;	1929	return NULL;
2065	}	1930	}
2066		1931
2067	/*	1932	/*
2068	* present_in_ob (type, str, object) searches for any objects with	1933	* present_in_ob (type, str, object) searches for any objects with
…		…
2076	* str is the string to match against. Note that we match against	1941	* str is the string to match against. Note that we match against
2077	* the object name, not the archetype name. this is so that the	1942	* the object name, not the archetype name. this is so that the
2078	* spell code can use one object type (force), but change it's name	1943	* spell code can use one object type (force), but change it's name
2079	* to be unique.	1944	* to be unique.
2080	*/	1945	*/
2081
2082	object *	1946	object *
2083	present_in_ob_by_name (int type, const char *str, const object *op)	1947	present_in_ob_by_name (int type, const char *str, const object *op)
2084	{	1948	{
2085	object *
2086	tmp;
2087
2088	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1949	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2089	{
2090	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1950	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2091	return tmp;	1951	return tmp;
2092	}	1952
2093	return NULL;	1953	return 0;
2094	}	1954	}
2095		1955
2096	/*	1956	/*
2097	* present_arch_in_ob(archetype, object) searches for any objects with	1957	* present_arch_in_ob(archetype, object) searches for any objects with
2098	* a matching archetype in the inventory of the given object.	1958	* a matching archetype in the inventory of the given object.
2099	* The first matching object is returned, or NULL if none.	1959	* The first matching object is returned, or NULL if none.
2100	*/	1960	*/
2101
2102	object *	1961	object *
2103	present_arch_in_ob (const archetype *at, const object *op)	1962	present_arch_in_ob (const archetype *at, const object *op)
2104	{	1963	{
2105	object *
2106	tmp;
2107
2108	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1964	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2109	if (tmp->arch == at)	1965	if (tmp->arch == at)
2110	return tmp;	1966	return tmp;
		1967
2111	return NULL;	1968	return NULL;
2112	}	1969	}
2113		1970
2114	/*	1971	/*
2115	* activate recursively a flag on an object inventory	1972	* activate recursively a flag on an object inventory
2116	*/	1973	*/
2117	void	1974	void
2118	flag_inv (object *op, int flag)	1975	flag_inv (object *op, int flag)
2119	{	1976	{
2120	object *
2121	tmp;
2122
2123	if (op->inv)	1977	if (op->inv)
2124	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1978	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2125	{	1979	{
2126	SET_FLAG (tmp, flag);	1980	SET_FLAG (tmp, flag);
2127	flag_inv (tmp, flag);	1981	flag_inv (tmp, flag);
2128	}	1982	}
2129	} /*	1983	}
		1984
		1985	/*
2130	* desactivate recursively a flag on an object inventory	1986	* deactivate recursively a flag on an object inventory
2131	*/	1987	*/
2132	void	1988	void
2133	unflag_inv (object *op, int flag)	1989	unflag_inv (object *op, int flag)
2134	{	1990	{
2135	object *
2136	tmp;
2137
2138	if (op->inv)	1991	if (op->inv)
2139	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1992	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2140	{	1993	{
2141	CLEAR_FLAG (tmp, flag);	1994	CLEAR_FLAG (tmp, flag);
2142	unflag_inv (tmp, flag);	1995	unflag_inv (tmp, flag);
2143	}	1996	}
2144	}	1997	}
…		…
2147	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in	2000	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2148	* all it's inventory (recursively).	2001	* all it's inventory (recursively).
2149	* If checksums are used, a player will get set_cheat called for	2002	* If checksums are used, a player will get set_cheat called for
2150	* him/her-self and all object carried by a call to this function.	2003	* him/her-self and all object carried by a call to this function.
2151	*/	2004	*/
2152
2153	void	2005	void
2154	set_cheat (object *op)	2006	set_cheat (object *op)
2155	{	2007	{
2156	SET_FLAG (op, FLAG_WAS_WIZ);	2008	SET_FLAG (op, FLAG_WAS_WIZ);
2157	flag_inv (op, FLAG_WAS_WIZ);	2009	flag_inv (op, FLAG_WAS_WIZ);
…		…
2176	* because arch_blocked (now ob_blocked) needs to know the movement type	2028	* because arch_blocked (now ob_blocked) needs to know the movement type
2177	* to know if the space in question will block the object. We can't use	2029	* to know if the space in question will block the object. We can't use
2178	* the archetype because that isn't correct if the monster has been	2030	* the archetype because that isn't correct if the monster has been
2179	* customized, changed states, etc.	2031	* customized, changed states, etc.
2180	*/	2032	*/
2181
2182	int	2033	int
2183	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	2034	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2184	{	2035	{
2185	int
2186	i,
2187	index = 0, flag;	2036	int index = 0, flag;
2188	static int
2189	altern[SIZEOFFREE];	2037	int altern[SIZEOFFREE];
2190		2038
2191	for (i = start; i < stop; i++)	2039	for (int i = start; i < stop; i++)
2192	{	2040	{
2193	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2041	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2194	if (!flag)	2042	if (!flag)
2195	altern[index++] = i;	2043	altern [index++] = i;
2196		2044
2197	/* Basically, if we find a wall on a space, we cut down the search size.	2045	/* Basically, if we find a wall on a space, we cut down the search size.
2198	* In this way, we won't return spaces that are on another side of a wall.	2046	* In this way, we won't return spaces that are on another side of a wall.
2199	* This mostly work, but it cuts down the search size in all directions -	2047	* This mostly work, but it cuts down the search size in all directions -
2200	* if the space being examined only has a wall to the north and empty	2048	* if the space being examined only has a wall to the north and empty
2201	* spaces in all the other directions, this will reduce the search space	2049	* spaces in all the other directions, this will reduce the search space
2202	* to only the spaces immediately surrounding the target area, and	2050	* to only the spaces immediately surrounding the target area, and
2203	* won't look 2 spaces south of the target space.	2051	* won't look 2 spaces south of the target space.
2204	*/	2052	*/
2205	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2053	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2206	stop = maxfree[i];	2054	stop = maxfree[i];
2207	}	2055	}
		2056
2208	if (!index)	2057	if (!index)
2209	return -1;	2058	return -1;
		2059
2210	return altern[RANDOM () % index];	2060	return altern [rndm (index)];
2211	}	2061	}
2212		2062
2213	/*	2063	/*
2214	* find_first_free_spot(archetype, mapstruct, x, y) works like	2064	* find_first_free_spot(archetype, maptile, x, y) works like
2215	* find_free_spot(), but it will search max number of squares.	2065	* find_free_spot(), but it will search max number of squares.
2216	* But it will return the first available spot, not a random choice.	2066	* But it will return the first available spot, not a random choice.
2217	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2067	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2218	*/	2068	*/
2219
2220	int	2069	int
2221	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2070	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2222	{	2071	{
2223	int
2224	i;
2225
2226	for (i = 0; i < SIZEOFFREE; i++)	2072	for (int i = 0; i < SIZEOFFREE; i++)
2227	{
2228	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2073	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2229	return i;	2074	return i;
2230	}	2075
2231	return -1;	2076	return -1;
2232	}	2077	}
2233		2078
2234	/*	2079	/*
2235	* The function permute(arr, begin, end) randomly reorders the array	2080	* The function permute(arr, begin, end) randomly reorders the array
2236	* arr[begin..end-1].	2081	* arr[begin..end-1].
		2082	* now uses a fisher-yates shuffle, old permute was broken
2237	*/	2083	*/
2238	static void	2084	static void
2239	permute (int *arr, int begin, int end)	2085	permute (int *arr, int begin, int end)
2240	{	2086	{
2241	int	2087	arr += begin;
2242	i,
2243	j,
2244	tmp,
2245	len;
2246
2247	len = end - begin;	2088	end -= begin;
2248	for (i = begin; i < end; i++)
2249	{
2250	j = begin + RANDOM () % len;
2251		2089
2252	tmp = arr[i];	2090	while (--end)
2253	arr[i] = arr[j];	2091	swap (arr [end], arr [rndm (end + 1)]);
2254	arr[j] = tmp;
2255	}
2256	}	2092	}
2257		2093
2258	/* new function to make monster searching more efficient, and effective!	2094	/* new function to make monster searching more efficient, and effective!
2259	* This basically returns a randomized array (in the passed pointer) of	2095	* This basically returns a randomized array (in the passed pointer) of
2260	* the spaces to find monsters. In this way, it won't always look for	2096	* the spaces to find monsters. In this way, it won't always look for
…		…
2263	* the 3x3 area will be searched, just not in a predictable order.	2099	* the 3x3 area will be searched, just not in a predictable order.
2264	*/	2100	*/
2265	void	2101	void
2266	get_search_arr (int *search_arr)	2102	get_search_arr (int *search_arr)
2267	{	2103	{
2268	int	2104	int i;
2269	i;
2270		2105
2271	for (i = 0; i < SIZEOFFREE; i++)	2106	for (i = 0; i < SIZEOFFREE; i++)
2272	{
2273	search_arr[i] = i;	2107	search_arr[i] = i;
2274	}
2275		2108
2276	permute (search_arr, 1, SIZEOFFREE1 + 1);	2109	permute (search_arr, 1, SIZEOFFREE1 + 1);
2277	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2110	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2278	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2111	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2279	}	2112	}
…		…
2288	* Perhaps incorrectly, but I'm making the assumption that exclude	2121	* Perhaps incorrectly, but I'm making the assumption that exclude
2289	* is actually want is going to try and move there. We need this info	2122	* is actually want is going to try and move there. We need this info
2290	* because we have to know what movement the thing looking to move	2123	* because we have to know what movement the thing looking to move
2291	* there is capable of.	2124	* there is capable of.
2292	*/	2125	*/
2293
2294	int	2126	int
2295	find_dir (mapstruct *m, int x, int y, object *exclude)	2127	find_dir (maptile *m, int x, int y, object *exclude)
2296	{	2128	{
2297	int
2298	i,
2299	max = SIZEOFFREE, mflags;	2129	int i, max = SIZEOFFREE, mflags;
2300		2130
2301	sint16 nx, ny;	2131	sint16 nx, ny;
2302	object *	2132	object *tmp;
2303	tmp;	2133	maptile *mp;
2304	mapstruct *
2305	mp;
2306		2134
2307	MoveType blocked, move_type;	2135	MoveType blocked, move_type;
2308		2136
2309	if (exclude && exclude->head)	2137	if (exclude && exclude->head)
2310	{	2138	{
…		…
2322	mp = m;	2150	mp = m;
2323	nx = x + freearr_x[i];	2151	nx = x + freearr_x[i];
2324	ny = y + freearr_y[i];	2152	ny = y + freearr_y[i];
2325		2153
2326	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2154	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2155
2327	if (mflags & P_OUT_OF_MAP)	2156	if (mflags & P_OUT_OF_MAP)
2328	{
2329	max = maxfree[i];	2157	max = maxfree[i];
2330	}
2331	else	2158	else
2332	{	2159	{
2333	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2160	mapspace &ms = mp->at (nx, ny);
		2161
		2162	blocked = ms.move_block;
2334		2163
2335	if ((move_type & blocked) == move_type)	2164	if ((move_type & blocked) == move_type)
2336	{
2337	max = maxfree[i];	2165	max = maxfree[i];
2338	}
2339	else if (mflags & P_IS_ALIVE)	2166	else if (mflags & P_IS_ALIVE)
2340	{	2167	{
2341	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2168	for (tmp = ms.bot; tmp; tmp = tmp->above)
2342	{	2169	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2343	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2170	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))
2344	{
2345	break;	2171	break;
2346	}	2172
2347	}
2348	if (tmp)	2173	if (tmp)
2349	{
2350	return freedir[i];	2174	return freedir[i];
2351	}
2352	}	2175	}
2353	}	2176	}
2354	}	2177	}
		2178
2355	return 0;	2179	return 0;
2356	}	2180	}
2357		2181
2358	/*	2182	/*
2359	* distance(object 1, object 2) will return the square of the	2183	* distance(object 1, object 2) will return the square of the
2360	* distance between the two given objects.	2184	* distance between the two given objects.
2361	*/	2185	*/
2362
2363	int	2186	int
2364	distance (const object *ob1, const object *ob2)	2187	distance (const object *ob1, const object *ob2)
2365	{	2188	{
2366	int
2367	i;
2368
2369	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2189	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2370	return i;
2371	}	2190	}
2372		2191
2373	/*	2192	/*
2374	* find_dir_2(delta-x,delta-y) will return a direction in which	2193	* find_dir_2(delta-x,delta-y) will return a direction in which
2375	* an object which has subtracted the x and y coordinates of another	2194	* an object which has subtracted the x and y coordinates of another
2376	* object, needs to travel toward it.	2195	* object, needs to travel toward it.
2377	*/	2196	*/
2378
2379	int	2197	int
2380	find_dir_2 (int x, int y)	2198	find_dir_2 (int x, int y)
2381	{	2199	{
2382	int	2200	int q;
2383	q;
2384		2201
2385	if (y)	2202	if (y)
2386	q = x * 100 / y;	2203	q = x * 100 / y;
2387	else if (x)	2204	else if (x)
2388	q = -300 * x;	2205	q = -300 * x;
…		…
2413		2230
2414	return 3;	2231	return 3;
2415	}	2232	}
2416		2233
2417	/*	2234	/*
2418	* absdir(int): Returns a number between 1 and 8, which represent
2419	* the "absolute" direction of a number (it actually takes care of
2420	* "overflow" in previous calculations of a direction).
2421	*/
2422
2423	int
2424	absdir (int d)
2425	{
2426	while (d < 1)
2427	d += 8;
2428	while (d > 8)
2429	d -= 8;
2430	return d;
2431	}
2432
2433	/*
2434	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2235	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2435	* between two directions (which are expected to be absolute (see absdir())	2236	* between two directions (which are expected to be absolute (see absdir())
2436	*/	2237	*/
2437
2438	int	2238	int
2439	dirdiff (int dir1, int dir2)	2239	dirdiff (int dir1, int dir2)
2440	{	2240	{
2441	int	2241	int d;
2442	d;
2443		2242
2444	d = abs (dir1 - dir2);	2243	d = abs (dir1 - dir2);
2445	if (d > 4)	2244	if (d > 4)
2446	d = 8 - d;	2245	d = 8 - d;
		2246
2447	return d;	2247	return d;
2448	}	2248	}
2449		2249
2450	/* peterm:	2250	/* peterm:
2451	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2251	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2454	* This basically means that if direction is 15, then it could either go	2254	* This basically means that if direction is 15, then it could either go
2455	* direction 4, 14, or 16 to get back to where we are.	2255	* direction 4, 14, or 16 to get back to where we are.
2456	* Moved from spell_util.c to object.c with the other related direction	2256	* Moved from spell_util.c to object.c with the other related direction
2457	* functions.	2257	* functions.
2458	*/	2258	*/
2459
2460	int
2461	reduction_dir[SIZEOFFREE][3] = {	2259	int reduction_dir[SIZEOFFREE][3] = {
2462	{0, 0, 0}, /* 0 */	2260	{0, 0, 0}, /* 0 */
2463	{0, 0, 0}, /* 1 */	2261	{0, 0, 0}, /* 1 */
2464	{0, 0, 0}, /* 2 */	2262	{0, 0, 0}, /* 2 */
2465	{0, 0, 0}, /* 3 */	2263	{0, 0, 0}, /* 3 */
2466	{0, 0, 0}, /* 4 */	2264	{0, 0, 0}, /* 4 */
…		…
2514	* find a path to that monster that we found. If not,	2312	* find a path to that monster that we found. If not,
2515	* we don't bother going toward it. Returns 1 if we	2313	* we don't bother going toward it. Returns 1 if we
2516	* can see a direct way to get it	2314	* can see a direct way to get it
2517	* Modified to be map tile aware -.MSW	2315	* Modified to be map tile aware -.MSW
2518	*/	2316	*/
2519
2520
2521	int	2317	int
2522	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2318	can_see_monsterP (maptile *m, int x, int y, int dir)
2523	{	2319	{
2524	sint16 dx, dy;	2320	sint16 dx, dy;
2525	int
2526	mflags;	2321	int mflags;
2527		2322
2528	if (dir < 0)	2323	if (dir < 0)
2529	return 0; /* exit condition: invalid direction */	2324	return 0; /* exit condition: invalid direction */
2530		2325
2531	dx = x + freearr_x[dir];	2326	dx = x + freearr_x[dir];
…		…
2544	return 0;	2339	return 0;
2545		2340
2546	/* yes, can see. */	2341	/* yes, can see. */
2547	if (dir < 9)	2342	if (dir < 9)
2548	return 1;	2343	return 1;
		2344
2549	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2345	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2550	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2346	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2347	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2551	}	2348	}
2552
2553
2554		2349
2555	/*	2350	/*
2556	* can_pick(picker, item): finds out if an object is possible to be	2351	* can_pick(picker, item): finds out if an object is possible to be
2557	* picked up by the picker. Returnes 1 if it can be	2352	* picked up by the picker. Returnes 1 if it can be
2558	* picked up, otherwise 0.	2353	* picked up, otherwise 0.
…		…
2569	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2364	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2570	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2365	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2571	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2366	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2572	}	2367	}
2573		2368
2574
2575	/*	2369	/*
2576	* create clone from object to another	2370	* create clone from object to another
2577	*/	2371	*/
2578	object *	2372	object *
2579	object_create_clone (object *asrc)	2373	object_create_clone (object *asrc)
2580	{	2374	{
2581	object *
2582	dst = NULL, *tmp, *src, *part, *prev, *item;	2375	object *dst = 0, *tmp, *src, *part, *prev, *item;
2583		2376
2584	if (!asrc)	2377	if (!asrc)
2585	return NULL;	2378	return 0;
		2379
2586	src = asrc;	2380	src = asrc;
2587	if (src->head)	2381	if (src->head)
2588	src = src->head;	2382	src = src->head;
2589		2383
2590	prev = NULL;	2384	prev = 0;
2591	for (part = src; part; part = part->more)	2385	for (part = src; part; part = part->more)
2592	{	2386	{
2593	tmp = get_object ();	2387	tmp = part->clone ();
2594	copy_object (part, tmp);
2595	tmp->x -= src->x;	2388	tmp->x -= src->x;
2596	tmp->y -= src->y;	2389	tmp->y -= src->y;
		2390
2597	if (!part->head)	2391	if (!part->head)
2598	{	2392	{
2599	dst = tmp;	2393	dst = tmp;
2600	tmp->head = NULL;	2394	tmp->head = 0;
2601	}	2395	}
2602	else	2396	else
2603	{
2604	tmp->head = dst;	2397	tmp->head = dst;
2605	}	2398
2606	tmp->more = NULL;	2399	tmp->more = 0;
		2400
2607	if (prev)	2401	if (prev)
2608	prev->more = tmp;	2402	prev->more = tmp;
		2403
2609	prev = tmp;	2404	prev = tmp;
2610	}	2405	}
2611		2406
2612	/*** copy inventory ***/
2613	for (item = src->inv; item; item = item->below)	2407	for (item = src->inv; item; item = item->below)
2614	{
2615	(void) insert_ob_in_ob (object_create_clone (item), dst);	2408	insert_ob_in_ob (object_create_clone (item), dst);
2616	}
2617		2409
2618	return dst;	2410	return dst;
2619	}
2620
2621	/* return true if the object was destroyed, 0 otherwise */
2622	int
2623	was_destroyed (const object *op, tag_t old_tag)
2624	{
2625	/* checking for FLAG_FREED isn't necessary, but makes this function more
2626	* robust */
2627	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2628	}
2629
2630	/* GROS - Creates an object using a string representing its content. */
2631
2632	/* Basically, we save the content of the string to a temp file, then call */
2633
2634	/* load_object on it. I admit it is a highly inefficient way to make things, */
2635
2636	/* but it was simple to make and allows reusing the load_object function. */
2637
2638	/* Remember not to use load_object_str in a time-critical situation. */
2639
2640	/* Also remember that multiparts objects are not supported for now. */
2641
2642	object *
2643	load_object_str (const char *obstr)
2644	{
2645	object *
2646	op;
2647	char
2648	filename[MAX_BUF];
2649
2650	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2651
2652	FILE *
2653	tempfile = fopen (filename, "w");
2654
2655	if (tempfile == NULL)
2656	{
2657	LOG (llevError, "Error - Unable to access load object temp file\n");
2658	return NULL;
2659	};
2660	fprintf (tempfile, obstr);
2661	fclose (tempfile);
2662
2663	op = get_object ();
2664
2665	object_thawer thawer (filename);
2666
2667	if (thawer)
2668	load_object (thawer, op, 0);
2669
2670	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2671	CLEAR_FLAG (op, FLAG_REMOVED);
2672
2673	return op;
2674	}	2411	}
2675		2412
2676	/* This returns the first object in who's inventory that	2413	/* This returns the first object in who's inventory that
2677	* has the same type and subtype match.	2414	* has the same type and subtype match.
2678	* returns NULL if no match.	2415	* returns NULL if no match.
2679	*/	2416	*/
2680	object *	2417	object *
2681	find_obj_by_type_subtype (const object *who, int type, int subtype)	2418	find_obj_by_type_subtype (const object *who, int type, int subtype)
2682	{	2419	{
2683	object *
2684	tmp;
2685
2686	for (tmp = who->inv; tmp; tmp = tmp->below)	2420	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2687	if (tmp->type == type && tmp->subtype == subtype)	2421	if (tmp->type == type && tmp->subtype == subtype)
2688	return tmp;	2422	return tmp;
2689		2423
2690	return NULL;	2424	return 0;
2691	}	2425	}
2692		2426
2693	/* If ob has a field named key, return the link from the list,	2427	/* If ob has a field named key, return the link from the list,
2694	* otherwise return NULL.	2428	* otherwise return NULL.
2695	*	2429	*
…		…
2697	* do the desired thing.	2431	* do the desired thing.
2698	*/	2432	*/
2699	key_value *	2433	key_value *
2700	get_ob_key_link (const object *ob, const char *key)	2434	get_ob_key_link (const object *ob, const char *key)
2701	{	2435	{
2702	key_value *
2703	link;
2704
2705	for (link = ob->key_values; link != NULL; link = link->next)	2436	for (key_value *link = ob->key_values; link; link = link->next)
2706	{
2707	if (link->key == key)	2437	if (link->key == key)
2708	{
2709	return link;	2438	return link;
2710	}
2711	}
2712		2439
2713	return NULL;	2440	return 0;
2714	}	2441	}
2715		2442
2716	/*	2443	/*
2717	* Returns the value of op has an extra_field for key, or NULL.	2444	* Returns the value of op has an extra_field for key, or NULL.
2718	*	2445	*
…		…
2721	* The returned string is shared.	2448	* The returned string is shared.
2722	*/	2449	*/
2723	const char *	2450	const char *
2724	get_ob_key_value (const object *op, const char *const key)	2451	get_ob_key_value (const object *op, const char *const key)
2725	{	2452	{
2726	key_value *	2453	key_value *link;
2727	link;	2454	shstr_cmp canonical_key (key);
2728	const char *
2729	canonical_key;
2730		2455
2731	canonical_key = shstr::find (key);
2732
2733	if (canonical_key == NULL)	2456	if (!canonical_key)
2734	{	2457	{
2735	/* 1. There being a field named key on any object	2458	/* 1. There being a field named key on any object
2736	* implies there'd be a shared string to find.	2459	* implies there'd be a shared string to find.
2737	* 2. Since there isn't, no object has this field.	2460	* 2. Since there isn't, no object has this field.
2738	* 3. Therefore, *this* object doesn't have this field.	2461	* 3. Therefore, *this* object doesn't have this field.
2739	*/	2462	*/
2740	return NULL;	2463	return 0;
2741	}	2464	}
2742		2465
2743	/* This is copied from get_ob_key_link() above -	2466	/* This is copied from get_ob_key_link() above -
2744	* only 4 lines, and saves the function call overhead.	2467	* only 4 lines, and saves the function call overhead.
2745	*/	2468	*/
2746	for (link = op->key_values; link != NULL; link = link->next)	2469	for (link = op->key_values; link; link = link->next)
2747	{
2748	if (link->key == canonical_key)	2470	if (link->key == canonical_key)
2749	{
2750	return link->value;	2471	return link->value;
2751	}	2472
2752	}
2753	return NULL;	2473	return 0;
2754	}	2474	}
2755
2756		2475
2757	/*	2476	/*
2758	* Updates the canonical_key in op to value.	2477	* Updates the canonical_key in op to value.
2759	*	2478	*
2760	* canonical_key is a shared string (value doesn't have to be).	2479	* canonical_key is a shared string (value doesn't have to be).
…		…
2765	* Returns TRUE on success.	2484	* Returns TRUE on success.
2766	*/	2485	*/
2767	int	2486	int
2768	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2487	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2769	{	2488	{
2770	key_value *
2771	field = NULL, *last = NULL;	2489	key_value *field = NULL, *last = NULL;
2772		2490
2773	for (field = op->key_values; field != NULL; field = field->next)	2491	for (field = op->key_values; field != NULL; field = field->next)
2774	{	2492	{
2775	if (field->key != canonical_key)	2493	if (field->key != canonical_key)
2776	{	2494	{
…		…
2804	/* IF we get here, key doesn't exist */	2522	/* IF we get here, key doesn't exist */
2805		2523
2806	/* No field, we'll have to add it. */	2524	/* No field, we'll have to add it. */
2807		2525
2808	if (!add_key)	2526	if (!add_key)
2809	{
2810	return FALSE;	2527	return FALSE;
2811	}	2528
2812	/* There isn't any good reason to store a null	2529	/* There isn't any good reason to store a null
2813	* value in the key/value list. If the archetype has	2530	* value in the key/value list. If the archetype has
2814	* this key, then we should also have it, so shouldn't	2531	* this key, then we should also have it, so shouldn't
2815	* be here. If user wants to store empty strings,	2532	* be here. If user wants to store empty strings,
2816	* should pass in ""	2533	* should pass in ""
…		…
2844	shstr key_ (key);	2561	shstr key_ (key);
2845		2562
2846	return set_ob_key_value_s (op, key_, value, add_key);	2563	return set_ob_key_value_s (op, key_, value, add_key);
2847	}	2564	}
2848		2565
		2566	object::depth_iterator::depth_iterator (object *container)
		2567	: iterator_base (container)
		2568	{
		2569	while (item->inv)
		2570	item = item->inv;
		2571	}
		2572
2849	void	2573	void
2850	object::deep_iterator::next ()	2574	object::depth_iterator::next ()
2851	{	2575	{
2852	if (item->inv)
2853	item = item->inv;
2854	else if (item->below)	2576	if (item->below)
		2577	{
2855	item = item->below;	2578	item = item->below;
		2579
		2580	while (item->inv)
		2581	item = item->inv;
		2582	}
2856	else	2583	else
2857	item = item->env->below;	2584	item = item->env;
2858	}	2585	}
		2586
		2587
		2588	const char *
		2589	object::flag_desc (char *desc, int len) const
		2590	{
		2591	char *p = desc;
		2592	bool first = true;
		2593
		2594	*p = 0;
		2595
		2596	for (int i = 0; i < NUM_FLAGS; i++)
		2597	{
		2598	if (len <= 10) // magic constant!
		2599	{
		2600	snprintf (p, len, ",...");
		2601	break;
		2602	}
		2603
		2604	if (flag [i])
		2605	{
		2606	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2607	len -= cnt;
		2608	p += cnt;
		2609	first = false;
		2610	}
		2611	}
		2612
		2613	return desc;
		2614	}
		2615
		2616	// return a suitable string describing an object in enough detail to find it
		2617	const char *
		2618	object::debug_desc (char *info) const
		2619	{
		2620	char flagdesc[512];
		2621	char info2[256 * 4];
		2622	char *p = info;
		2623
		2624	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
		2625	count, uuid.seq,
		2626	&name,
		2627	title ? "\",title:\"" : "",
		2628	title ? (const char *)title : "",
		2629	flag_desc (flagdesc, 512), type);
		2630
		2631	if (env)
		2632	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2633
		2634	if (map)
		2635	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
		2636
		2637	return info;
		2638	}
		2639
		2640	const char *
		2641	object::debug_desc () const
		2642	{
		2643	static char info[3][256 * 4];
		2644	static int info_idx;
		2645
		2646	return debug_desc (info [++info_idx % 3]);
		2647	}
		2648
		2649	struct region *
		2650	object::region () const
		2651	{
		2652	return map ? map->region (x, y)
		2653	: region::default_region ();
		2654	}
		2655
		2656	const materialtype_t *
		2657	object::dominant_material () const
		2658	{
		2659	if (materialtype_t *mat = name_to_material (materialname))
		2660	return mat;
		2661
		2662	// omfg this is slow, this has to be temporary :)
		2663	shstr unknown ("unknown");
		2664
		2665	return name_to_material (unknown);
		2666	}
		2667
		2668	void
		2669	object::open_container (object *new_container)
		2670	{
		2671	if (container == new_container)
		2672	return;
		2673
		2674	if (object *old_container = container)
		2675	{
		2676	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2677	return;
		2678
		2679	#if 0
		2680	// remove the "Close old_container" object.
		2681	if (object *closer = old_container->inv)
		2682	if (closer->type == CLOSE_CON)
		2683	closer->destroy ();
		2684	#endif
		2685
		2686	old_container->flag [FLAG_APPLIED] = 0;
		2687	container = 0;
		2688
		2689	esrv_update_item (UPD_FLAGS, this, old_container);
		2690	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2691	}
		2692
		2693	if (new_container)
		2694	{
		2695	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2696	return;
		2697
		2698	// TODO: this does not seem to serve any purpose anymore?
		2699	#if 0
		2700	// insert the "Close Container" object.
		2701	if (archetype *closer = new_container->other_arch)
		2702	{
		2703	object *closer = arch_to_object (new_container->other_arch);
		2704	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2705	new_container->insert (closer);
		2706	}
		2707	#endif
		2708
		2709	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2710
		2711	new_container->flag [FLAG_APPLIED] = 1;
		2712	container = new_container;
		2713
		2714	esrv_update_item (UPD_FLAGS, this, new_container);
		2715	esrv_send_inventory (this, new_container);
		2716	}
		2717	}
		2718
		2719

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