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Comparing deliantra/server/common/object.C (file contents):
Revision 1.35 by root, Tue Sep 12 18:15:34 2006 UTC vs.
Revision 1.120 by root, Sun Jan 21 21:28:27 2007 UTC

1
2	/*	1	/*
3	CrossFire, A Multiplayer game for X-windows	2	* CrossFire, A Multiplayer game for X-windows
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>
…		…
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 <loader.h>	34	#include <loader.h>
35		35
		36	#include <bitset>
		37
36	int nrofallocobjects = 0;	38	int nrofallocobjects = 0;
		39	static UUID uuid;
		40	const uint64 UUID_SKIP = 1<<19;
37		41
38	object *objects; /* Pointer to the list of used objects */	42	objectvec objects;
39	object *active_objects; /* List of active objects that need to be processed */	43	activevec actives;
40		44
41	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
42	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
43	};	47	};
44	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
…		…
50	int freedir[SIZEOFFREE] = {	54	int freedir[SIZEOFFREE] = {
51	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
52	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
53	};	57	};
54		58
		59	static void
		60	write_uuid (void)
		61	{
		62	char filename1[MAX_BUF], filename2[MAX_BUF];
		63
		64	sprintf (filename1, "%s/uuid", settings.localdir);
		65	sprintf (filename2, "%s/uuid~", settings.localdir);
		66
		67	FILE *fp;
		68
		69	if (!(fp = fopen (filename2, "w")))
		70	{
		71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
		72	return;
		73	}
		74
		75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
		76	fclose (fp);
		77	rename (filename2, filename1);
		78	}
		79
		80	static void
		81	read_uuid (void)
		82	{
		83	char filename[MAX_BUF];
		84
		85	sprintf (filename, "%s/uuid", settings.localdir);
		86
		87	FILE *fp;
		88
		89	if (!(fp = fopen (filename, "r")))
		90	{
		91	if (errno == ENOENT)
		92	{
		93	LOG (llevInfo, "RESET uid to 1\n");
		94	uuid.seq = 0;
		95	write_uuid ();
		96	return;
		97	}
		98
		99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
		100	_exit (1);
		101	}
		102
		103	int version;
		104	unsigned long long uid;
		105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)
		106	{
		107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);
		108	_exit (1);
		109	}
		110
		111	uuid.seq = uid;
		112	write_uuid ();
		113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
		114	fclose (fp);
		115	}
		116
		117	UUID
		118	gen_uuid ()
		119	{
		120	UUID uid;
		121
		122	uid.seq = ++uuid.seq;
		123
		124	if (!(uuid.seq & (UUID_SKIP - 1)))
		125	write_uuid ();
		126
		127	return uid;
		128	}
		129
		130	void
		131	init_uuid ()
		132	{
		133	read_uuid ();
		134	}
		135
55	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
56	static int	137	static int
57	compare_ob_value_lists_one (const object *wants, const object *has)	138	compare_ob_value_lists_one (const object *wants, const object *has)
58	{	139	{
59	key_value *wants_field;	140	key_value *wants_field;
…		…
62	* objects with lists are rare, and lists stay short. If not, use a	143	* objects with lists are rare, and lists stay short. If not, use a
63	* different structure or at least keep the lists sorted...	144	* different structure or at least keep the lists sorted...
64	*/	145	*/
65		146
66	/* For each field in wants, */	147	/* For each field in wants, */
67	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
68	{	149	{
69	key_value *has_field;	150	key_value *has_field;
70		151
71	/* Look for a field in has with the same key. */	152	/* Look for a field in has with the same key. */
72	has_field = get_ob_key_link (has, wants_field->key);	153	has_field = get_ob_key_link (has, wants_field->key);
…		…
106	*	187	*
107	* Note that this function appears a lot longer than the macro it	188	* Note that this function appears a lot longer than the macro it
108	* replaces - this is mostly for clarity - a decent compiler should hopefully	189	* replaces - this is mostly for clarity - a decent compiler should hopefully
109	* reduce this to the same efficiency.	190	* reduce this to the same efficiency.
110	*	191	*
111	* Check nrof variable *before* calling CAN_MERGE()	192	* Check nrof variable *before* calling can_merge()
112	*	193	*
113	* Improvements made with merge: Better checking on potion, and also	194	* Improvements made with merge: Better checking on potion, and also
114	* check weight	195	* check weight
115	*/	196	*/
116
117	bool object::can_merge (object *ob1, object *ob2)	197	bool object::can_merge_slow (object *ob1, object *ob2)
118	{	198	{
119	/* A couple quicksanity checks */	199	/* A couple quicksanity checks */
120	if ((ob1 == ob2) || (ob1->type != ob2->type))	200	if (ob1 == ob2
		201	|| ob1->type != ob2->type
		202	|| ob1->speed != ob2->speed
		203	|| ob1->value != ob2->value
		204	|| ob1->name != ob2->name)
121	return 0;	205	return 0;
122		206
123	if (ob1->speed != ob2->speed)	207	//TODO: this ain't working well, use nicer and correct overflow check
124	return 0;
125
126	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
127	* value could not be stored in a sint32 (which unfortunately sometimes is	209	* value could not be stored in a sint32 (which unfortunately sometimes is
128	* used to store nrof).	210	* used to store nrof).
129	*/	211	*/
130	if (ob1->nrof + ob2->nrof >= 1UL << 31)	212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
140	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
141		223
142	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
143	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
144		226
145		227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
146	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	228	|| ob1->arch != ob2->arch
147	* being locked in inventory should prevent merging.
148	* 0x4 in flags3 is CLIENT_SENT
149	*/
150	if ((ob1->arch != ob2->arch) ||
151	(ob1->flags[0] != ob2->flags[0]) ||
152	(ob1->flags[1] != ob2->flags[1]) ||
153	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
154	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
155	(ob1->name != ob2->name) ||	229	|| ob1->name != ob2->name
156	(ob1->title != ob2->title) ||	230	|| ob1->title != ob2->title
157	(ob1->msg != ob2->msg) ||	231	|| ob1->msg != ob2->msg
158	(ob1->weight != ob2->weight) ||	232	|| ob1->weight != ob2->weight
159	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
160	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
161	(ob1->attacktype != ob2->attacktype) ||	235	|| ob1->attacktype != ob2->attacktype
162	(ob1->magic != ob2->magic) ||	236	|| ob1->magic != ob2->magic
163	(ob1->slaying != ob2->slaying) ||	237	|| ob1->slaying != ob2->slaying
164	(ob1->skill != ob2->skill) ||	238	|| ob1->skill != ob2->skill
165	(ob1->value != ob2->value) ||	239	|| ob1->value != ob2->value
166	(ob1->animation_id != ob2->animation_id) ||	240	|| ob1->animation_id != ob2->animation_id
167	(ob1->client_type != ob2->client_type) ||	241	|| ob1->client_type != ob2->client_type
168	(ob1->materialname != ob2->materialname) ||	242	|| ob1->materialname != ob2->materialname
169	(ob1->lore != ob2->lore) ||	243	|| ob1->lore != ob2->lore
170	(ob1->subtype != ob2->subtype) ||	244	|| ob1->subtype != ob2->subtype
171	(ob1->move_type != ob2->move_type) ||	245	|| ob1->move_type != ob2->move_type
172	(ob1->move_block != ob2->move_block) ||	246	|| ob1->move_block != ob2->move_block
173	(ob1->move_allow != ob2->move_allow) ||	247	|| ob1->move_allow != ob2->move_allow
174	(ob1->move_on != ob2->move_on) ||	248	|| ob1->move_on != ob2->move_on
175	(ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty))	249	|| ob1->move_off != ob2->move_off
		250	|| ob1->move_slow != ob2->move_slow
		251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
176	return 0;	252	return 0;
177		253
178	/* This is really a spellbook check - really, we should	254	/* This is really a spellbook check - really, we should
179	* check all objects in the inventory.	255	* check all objects in the inventory.
180	*/	256	*/
…		…
183	/* if one object has inventory but the other doesn't, not equiv */	259	/* if one object has inventory but the other doesn't, not equiv */
184	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
185	return 0;	261	return 0;
186		262
187	/* Now check to see if the two inventory objects could merge */	263	/* Now check to see if the two inventory objects could merge */
188	if (!CAN_MERGE (ob1->inv, ob2->inv))	264	if (!object::can_merge (ob1->inv, ob2->inv))
189	return 0;	265	return 0;
190		266
191	/* inventory ok - still need to check rest of this object to see	267	/* inventory ok - still need to check rest of this object to see
192	* if it is valid.	268	* if it is valid.
193	*/	269	*/
…		…
202		278
203	/* Note sure why the following is the case - either the object has to	279	/* Note sure why the following is the case - either the object has to
204	* be animated or have a very low speed. Is this an attempted monster	280	* be animated or have a very low speed. Is this an attempted monster
205	* check?	281	* check?
206	*/	282	*/
207	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
208	return 0;	284	return 0;
209		285
210	switch (ob1->type)	286	switch (ob1->type)
211	{	287	{
212	case SCROLL:	288	case SCROLL:
…		…
254	{	330	{
255	if (inv->inv)	331	if (inv->inv)
256	sum_weight (inv);	332	sum_weight (inv);
257	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
258	}	334	}
		335
259	if (op->type == CONTAINER && op->stats.Str)	336	if (op->type == CONTAINER && op->stats.Str)
260	sum = (sum * (100 - op->stats.Str)) / 100;	337	sum = (sum * (100 - op->stats.Str)) / 100;
		338
261	if (op->carrying != sum)	339	if (op->carrying != sum)
262	op->carrying = sum;	340	op->carrying = sum;
		341
263	return sum;	342	return sum;
264	}	343	}
265		344
266	/**	345	/**
267	* Return the outermost environment object for a given object.	346	* Return the outermost environment object for a given object.
…		…
274	op = op->env;	353	op = op->env;
275	return op;	354	return op;
276	}	355	}
277		356
278	/*	357	/*
279	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
280	* a better check. We basically keeping traversing up until we can't
281	* or find a player.
282	*/
283
284	object *
285	is_player_inv (object *op)
286	{
287	for (; op != NULL && op->type != PLAYER; op = op->env)
288	if (op->env == op)
289	op->env = NULL;
290	return op;
291	}
292
293	/*
294	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
295	* Some error messages.	359	* Some error messages.
296	* The result of the dump is stored in the static global errmsg array.	360	* The result of the dump is stored in the static global errmsg array.
297	*/	361	*/
298		362
299	void	363	char *
300	dump_object2 (object *op)
301	{
302	errmsg[0] = 0;
303	return;
304	//TODO//D#d#
305	#if 0
306	char *cp;
307
308	/* object *tmp;*/
309
310	if (op->arch != NULL)
311	{
312	strcat (errmsg, "arch ");
313	strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
314	strcat (errmsg, "\n");
315	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
316	strcat (errmsg, cp);
317	# if 0
318	/* Don't dump player diffs - they are too long, mostly meaningless, and
319	* will overflow the buffer.
320	* Changed so that we don't dump inventory either. This may
321	* also overflow the buffer.
322	*/
323	if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
324	strcat (errmsg, cp);
325	for (tmp = op->inv; tmp; tmp = tmp->below)
326	dump_object2 (tmp);
327	# endif
328	strcat (errmsg, "end\n");
329	}
330	else
331	{
332	strcat (errmsg, "Object ");
333	if (op->name == NULL)
334	strcat (errmsg, "(null)");
335	else
336	strcat (errmsg, op->name);
337	strcat (errmsg, "\n");
338	# if 0
339	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
340	strcat (errmsg, cp);
341	for (tmp = op->inv; tmp; tmp = tmp->below)
342	dump_object2 (tmp);
343	# endif
344	strcat (errmsg, "end\n");
345	}
346	#endif
347	}
348
349	/*
350	* Dumps an object. Returns output in the static global errmsg array.
351	*/
352
353	void
354	dump_object (object *op)	364	dump_object (object *op)
355	{	365	{
356	if (op == NULL)	366	if (!op)
357	{	367	return strdup ("[NULLOBJ]");
358	strcpy (errmsg, "[NULL pointer]");
359	return;
360	}
361	errmsg[0] = '\0';
362	dump_object2 (op);
363	}
364		368
365	void	369	object_freezer freezer;
366	dump_all_objects (void)	370	save_object (freezer, op, 1);
367	{	371	return freezer.as_string ();
368	object *op;
369
370	for (op = objects; op != NULL; op = op->next)
371	{
372	dump_object (op);
373	fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
374	}
375	}	372	}
376		373
377	/*	374	/*
378	* get_nearest_part(multi-object, object 2) returns the part of the	375	* get_nearest_part(multi-object, object 2) returns the part of the
379	* multi-object 1 which is closest to the second object.	376	* multi-object 1 which is closest to the second object.
…		…
395	}	392	}
396		393
397	/*	394	/*
398	* Returns the object which has the count-variable equal to the argument.	395	* Returns the object which has the count-variable equal to the argument.
399	*/	396	*/
400
401	object *	397	object *
402	find_object (tag_t i)	398	find_object (tag_t i)
403	{	399	{
404	object *op;	400	for_all_objects (op)
405
406	for (op = objects; op != NULL; op = op->next)
407	if (op->count == i)	401	if (op->count == i)
408	break;
409	return op;	402	return op;
		403
		404	return 0;
410	}	405	}
411		406
412	/*	407	/*
413	* Returns the first object which has a name equal to the argument.	408	* Returns the first object which has a name equal to the argument.
414	* Used only by the patch command, but not all that useful.	409	* Used only by the patch command, but not all that useful.
415	* Enables features like "patch <name-of-other-player> food 999"	410	* Enables features like "patch <name-of-other-player> food 999"
416	*/	411	*/
417
418	object *	412	object *
419	find_object_name (const char *str)	413	find_object_name (const char *str)
420	{	414	{
421	shstr_cmp str_ (str);	415	shstr_cmp str_ (str);
422	object *op;	416	object *op;
423		417
424	for (op = objects; op != NULL; op = op->next)	418	for_all_objects (op)
425	if (op->name == str_)	419	if (op->name == str_)
426	break;	420	break;
427		421
428	return op;	422	return op;
429	}	423	}
430		424
431	void	425	void
432	free_all_object_data ()	426	free_all_object_data ()
433	{	427	{
434	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);	428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
435	}
436
437	/*
438	* Returns the object which this object marks as being the owner.
439	* A id-scheme is used to avoid pointing to objects which have been
440	* freed and are now reused. If this is detected, the owner is
441	* set to NULL, and NULL is returned.
442	* Changed 2004-02-12 - if the player is setting at the play again
443	* prompt, he is removed, and we don't want to treat him as an owner of
444	* anything, so check removed flag. I don't expect that this should break
445	* anything - once an object is removed, it is basically dead anyways.
446	*/
447	object *
448	object::get_owner ()
449	{
450	if (!owner
451	|| QUERY_FLAG (owner, FLAG_FREED)
452	|| QUERY_FLAG (owner, FLAG_REMOVED))
453	owner = 0;
454
455	return owner;
456	}	429	}
457		430
458	/*	431	/*
459	* Sets the owner and sets the skill and exp pointers to owner's current	432	* Sets the owner and sets the skill and exp pointers to owner's current
460	* skill and experience objects.	433	* skill and experience objects.
…		…
493	}	466	}
494		467
495	op->key_values = 0;	468	op->key_values = 0;
496	}	469	}
497		470
498	void object::clear ()
499	{
500	attachable_base::clear ();
501
502	free_key_values (this);
503
504	owner = 0;
505	name = 0;
506	name_pl = 0;
507	title = 0;
508	race = 0;
509	slaying = 0;
510	skill = 0;
511	msg = 0;
512	lore = 0;
513	custom_name = 0;
514	materialname = 0;
515	contr = 0;
516	below = 0;
517	above = 0;
518	inv = 0;
519	container = 0;
520	env = 0;
521	more = 0;
522	head = 0;
523	map = 0;
524	active_next = 0;
525	active_prev = 0;
526
527	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
528
529	SET_FLAG (this, FLAG_REMOVED);
530
531	/* What is not cleared is next, prev, and count */
532
533	expmul = 1.0;
534	face = blank_face;
535	attacked_by_count = -1;
536
537	if (settings.casting_time)
538	casting_time = -1;
539	}
540
541	void object::clone (object *destination)
542	{
543	*(object_copy *)destination = *this;
544	*(object_pod *)destination = *this;
545
546	if (self || cb)
547	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
548	}
549
550	/*	471	/*
551	* copy object first frees everything allocated by the second object,	472	* copy_to first frees everything allocated by the dst object,
552	* and then copies the contends of the first object into the second	473	* and then copies the contents of itself into the second
553	* object, allocating what needs to be allocated. Basically, any	474	* object, allocating what needs to be allocated. Basically, any
554	* data that is malloc'd needs to be re-malloc/copied. Otherwise,	475	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
555	* if the first object is freed, the pointers in the new object	476	* if the first object is freed, the pointers in the new object
556	* will point at garbage.	477	* will point at garbage.
557	*/	478	*/
558	void	479	void
559	copy_object (object *op2, object *op)	480	object::copy_to (object *dst)
560	{	481	{
561	bool is_freed = QUERY_FLAG (op, FLAG_FREED);	482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
562	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);	483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
563		484
564	op2->clone (op);	485	*(object_copy *)dst = *this;
565		486
566	if (is_freed)	487	if (is_freed)
567	SET_FLAG (op, FLAG_FREED);	488	SET_FLAG (dst, FLAG_FREED);
		489
568	if (is_removed)	490	if (is_removed)
569	SET_FLAG (op, FLAG_REMOVED);	491	SET_FLAG (dst, FLAG_REMOVED);
570		492
571	if (op2->speed < 0)	493	if (speed < 0)
572	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;	494	dst->speed_left = speed_left - rndm ();
573		495
574	/* Copy over key_values, if any. */	496	/* Copy over key_values, if any. */
575	if (op2->key_values)	497	if (key_values)
576	{	498	{
577	key_value *tail = 0;	499	key_value *tail = 0;
578	key_value *i;	500	key_value *i;
579		501
580	op->key_values = 0;	502	dst->key_values = 0;
581		503
582	for (i = op2->key_values; i; i = i->next)	504	for (i = key_values; i; i = i->next)
583	{	505	{
584	key_value *new_link = new key_value;	506	key_value *new_link = new key_value;
585		507
586	new_link->next = 0;	508	new_link->next = 0;
587	new_link->key = i->key;	509	new_link->key = i->key;
588	new_link->value = i->value;	510	new_link->value = i->value;
589		511
590	/* Try and be clever here, too. */	512	/* Try and be clever here, too. */
591	if (!op->key_values)	513	if (!dst->key_values)
592	{	514	{
593	op->key_values = new_link;	515	dst->key_values = new_link;
594	tail = new_link;	516	tail = new_link;
595	}	517	}
596	else	518	else
597	{	519	{
598	tail->next = new_link;	520	tail->next = new_link;
599	tail = new_link;	521	tail = new_link;
600	}	522	}
601	}	523	}
602	}	524	}
603		525
604	update_ob_speed (op);	526	dst->set_speed (dst->speed);
		527	}
		528
		529	object *
		530	object::clone ()
		531	{
		532	object *neu = create ();
		533	copy_to (neu);
		534	return neu;
605	}	535	}
606		536
607	/*	537	/*
608	* If an object with the IS_TURNABLE() flag needs to be turned due	538	* If an object with the IS_TURNABLE() flag needs to be turned due
609	* to the closest player being on the other side, this function can	539	* to the closest player being on the other side, this function can
610	* be called to update the face variable, _and_ how it looks on the map.	540	* be called to update the face variable, _and_ how it looks on the map.
611	*/	541	*/
612
613	void	542	void
614	update_turn_face (object *op)	543	update_turn_face (object *op)
615	{	544	{
616	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	545	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
617	return;	546	return;
		547
618	SET_ANIMATION (op, op->direction);	548	SET_ANIMATION (op, op->direction);
619	update_object (op, UP_OBJ_FACE);	549	update_object (op, UP_OBJ_FACE);
620	}	550	}
621		551
622	/*	552	/*
623	* Updates the speed of an object. If the speed changes from 0 to another	553	* Updates the speed of an object. If the speed changes from 0 to another
624	* value, or vice versa, then add/remove the object from the active list.	554	* value, or vice versa, then add/remove the object from the active list.
625	* This function needs to be called whenever the speed of an object changes.	555	* This function needs to be called whenever the speed of an object changes.
626	*/	556	*/
627	void	557	void
628	update_ob_speed (object *op)	558	object::set_speed (float speed)
629	{	559	{
630	extern int arch_init;	560	if (flag [FLAG_FREED] && speed)
631
632	/* No reason putting the archetypes objects on the speed list,
633	* since they never really need to be updated.
634	*/
635
636	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
637	{	561	{
638	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	562	LOG (llevError, "Object %s is freed but has speed.\n", &name);
639	#ifdef MANY_CORES
640	abort ();
641	#else
642	op->speed = 0;	563	speed = 0;
643	#endif
644	}
645
646	if (arch_init)
647	return;
648
649	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
650	{	564	}
651	/* If already on active list, don't do anything */
652	if (op->active_next || op->active_prev || op == active_objects)
653	return;
654		565
655	/* process_events() expects us to insert the object at the beginning	566	this->speed = speed;
656	* of the list. */
657	op->active_next = active_objects;
658		567
659	if (op->active_next != NULL)	568	if (has_active_speed ())
660	op->active_next->active_prev = op;	569	activate ();
661
662	active_objects = op;
663	}
664	else	570	else
665	{	571	deactivate ();
666	/* If not on the active list, nothing needs to be done */
667	if (!op->active_next && !op->active_prev && op != active_objects)
668	return;
669
670	if (op->active_prev == NULL)
671	{
672	active_objects = op->active_next;
673
674	if (op->active_next != NULL)
675	op->active_next->active_prev = NULL;
676	}
677	else
678	{
679	op->active_prev->active_next = op->active_next;
680
681	if (op->active_next)
682	op->active_next->active_prev = op->active_prev;
683	}
684
685	op->active_next = NULL;
686	op->active_prev = NULL;
687	}
688	}	572	}
689		573
690	/* This function removes object 'op' from the list of active
691	* objects.
692	* This should only be used for style maps or other such
693	* reference maps where you don't want an object that isn't
694	* in play chewing up cpu time getting processed.
695	* The reverse of this is to call update_ob_speed, which
696	* will do the right thing based on the speed of the object.
697	*/
698	void
699	remove_from_active_list (object *op)
700	{
701	/* If not on the active list, nothing needs to be done */
702	if (!op->active_next && !op->active_prev && op != active_objects)
703	return;
704
705	if (op->active_prev == NULL)
706	{
707	active_objects = op->active_next;
708	if (op->active_next != NULL)
709	op->active_next->active_prev = NULL;
710	}
711	else
712	{
713	op->active_prev->active_next = op->active_next;
714	if (op->active_next)
715	op->active_next->active_prev = op->active_prev;
716	}
717	op->active_next = NULL;
718	op->active_prev = NULL;
719	}
720
721	/*	574	/*
722	* update_object() updates the array which represents the map.	575	* update_object() updates the the map.
723	* It takes into account invisible objects (and represent squares covered	576	* It takes into account invisible objects (and represent squares covered
724	* by invisible objects by whatever is below them (unless it's another	577	* by invisible objects by whatever is below them (unless it's another
725	* invisible object, etc...)	578	* invisible object, etc...)
726	* If the object being updated is beneath a player, the look-window	579	* If the object being updated is beneath a player, the look-window
727	* of that player is updated (this might be a suboptimal way of	580	* of that player is updated (this might be a suboptimal way of
728	* updating that window, though, since update_object() is called _often_)	581	* updating that window, though, since update_object() is called _often_)
729	*	582	*
730	* action is a hint of what the caller believes need to be done.	583	* action is a hint of what the caller believes need to be done.
731	* For example, if the only thing that has changed is the face (due to
732	* an animation), we don't need to call update_position until that actually
733	* comes into view of a player. OTOH, many other things, like addition/removal
734	* of walls or living creatures may need us to update the flags now.
735	* current action are:	584	* current action are:
736	* UP_OBJ_INSERT: op was inserted	585	* UP_OBJ_INSERT: op was inserted
737	* UP_OBJ_REMOVE: op was removed	586	* UP_OBJ_REMOVE: op was removed
738	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	587	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
739	* as that is easier than trying to look at what may have changed.	588	* as that is easier than trying to look at what may have changed.
740	* UP_OBJ_FACE: only the objects face has changed.	589	* UP_OBJ_FACE: only the objects face has changed.
741	*/	590	*/
742
743	void	591	void
744	update_object (object *op, int action)	592	update_object (object *op, int action)
745	{	593	{
746	int update_now = 0, flags;
747	MoveType move_on, move_off, move_block, move_slow;	594	MoveType move_on, move_off, move_block, move_slow;
748		595
749	if (op == NULL)	596	if (op == NULL)
750	{	597	{
751	/* this should never happen */	598	/* this should never happen */
752	LOG (llevDebug, "update_object() called for NULL object.\n");	599	LOG (llevDebug, "update_object() called for NULL object.\n");
753	return;	600	return;
754	}	601	}
755		602
756	if (op->env != NULL)	603	if (op->env)
757	{	604	{
758	/* Animation is currently handled by client, so nothing	605	/* Animation is currently handled by client, so nothing
759	* to do in this case.	606	* to do in this case.
760	*/	607	*/
761	return;	608	return;
…		…
766	*/	613	*/
767	if (!op->map || op->map->in_memory == MAP_SAVING)	614	if (!op->map || op->map->in_memory == MAP_SAVING)
768	return;	615	return;
769		616
770	/* make sure the object is within map boundaries */	617	/* make sure the object is within map boundaries */
771	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	618	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
772	{	619	{
773	LOG (llevError, "update_object() called for object out of map!\n");	620	LOG (llevError, "update_object() called for object out of map!\n");
774	#ifdef MANY_CORES	621	#ifdef MANY_CORES
775	abort ();	622	abort ();
776	#endif	623	#endif
777	return;	624	return;
778	}	625	}
779		626
780	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	627	mapspace &m = op->ms ();
781	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
782	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
783	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
784	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
785	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
786		628
		629	if (!(m.flags_ & P_UPTODATE))
		630	/* nop */;
787	if (action == UP_OBJ_INSERT)	631	else if (action == UP_OBJ_INSERT)
788	{	632	{
		633	// this is likely overkill, TODO: revisit (schmorp)
789	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	634	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
790	update_now = 1;
791
792	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	635	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
793	update_now = 1;	636	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
794		637	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		638	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
795	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	639	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
796	update_now = 1;
797
798	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
799	update_now = 1;
800
801	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
802	update_now = 1;
803
804	if ((move_on | op->move_on) != move_on)	640	|| (m.move_on | op->move_on ) != m.move_on
805	update_now = 1;
806
807	if ((move_off | op->move_off) != move_off)	641	|| (m.move_off | op->move_off ) != m.move_off
808	update_now = 1;	642	|| (m.move_slow | op->move_slow) != m.move_slow
809
810	/* This isn't perfect, but I don't expect a lot of objects to	643	/* This isn't perfect, but I don't expect a lot of objects to
811	* to have move_allow right now.	644	* to have move_allow right now.
812	*/	645	*/
813	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	646	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
814	update_now = 1;	647	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
815		648	m.flags_ = 0;
816	if ((move_slow | op->move_slow) != move_slow)
817	update_now = 1;
818	}	649	}
819	/* if the object is being removed, we can't make intelligent	650	/* if the object is being removed, we can't make intelligent
820	* decisions, because remove_ob can't really pass the object	651	* decisions, because remove_ob can't really pass the object
821	* that is being removed.	652	* that is being removed.
822	*/	653	*/
823	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	654	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
824	update_now = 1;	655	m.flags_ = 0;
825	else if (action == UP_OBJ_FACE)	656	else if (action == UP_OBJ_FACE)
826	/* Nothing to do for that case */ ;	657	/* Nothing to do for that case */ ;
827	else	658	else
828	LOG (llevError, "update_object called with invalid action: %d\n", action);	659	LOG (llevError, "update_object called with invalid action: %d\n", action);
829		660
830	if (update_now)
831	{
832	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
833	update_position (op->map, op->x, op->y);
834	}
835
836	if (op->more != NULL)	661	if (op->more)
837	update_object (op->more, action);	662	update_object (op->more, action);
838	}
839
840	static unordered_vector<object *> mortals;
841	static std::vector<object *> freed;
842
843	void object::free_mortals ()
844	{
845	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();)
846	if ((*i)->refcnt)
847	++i; // further delay freeing
848	else
849	{
850	freed.push_back (*i);//D
851	//delete *i;
852	mortals.erase (i);
853	}
854
855	if (mortals.size() && 0)//D
856	LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D
857	}	663	}
858		664
859	object::object ()	665	object::object ()
860	{	666	{
861	SET_FLAG (this, FLAG_REMOVED);	667	SET_FLAG (this, FLAG_REMOVED);
862		668
863	expmul = 1.0;	669	expmul = 1.0;
864	face = blank_face;	670	face = blank_face;
865	attacked_by_count = -1;
866	}	671	}
867		672
868	object::~object ()	673	object::~object ()
869	{	674	{
		675	if (index)
		676	unlink ();
		677
870	free_key_values (this);	678	free_key_values (this);
871	}	679	}
872		680
		681	static int object_count;
		682
873	void object::link ()	683	void object::link ()
874	{	684	{
		685	assert (!index);//D
		686	uuid = gen_uuid ();
875	count = ++ob_count;	687	count = ++object_count;
876		688
877	prev = 0;	689	refcnt_inc ();
878	next = objects;	690	objects.insert (this);
879
880	if (objects)
881	objects->prev = this;
882
883	objects = this;
884	}	691	}
885		692
886	void object::unlink ()	693	void object::unlink ()
887	{	694	{
888	count = 0;	695	assert (index);//D
		696	objects.erase (this);
		697	refcnt_dec ();
		698	}
889		699
890	/* Remove this object from the list of used objects */	700	void
891	if (prev)	701	object::activate ()
892	{	702	{
893	prev->next = next;	703	/* If already on active list, don't do anything */
894	prev = 0;	704	if (active)
		705	return;
		706
		707	if (has_active_speed ())
		708	actives.insert (this);
		709	}
		710
		711	void
		712	object::activate_recursive ()
		713	{
		714	activate ();
		715
		716	for (object *op = inv; op; op = op->below)
		717	op->activate_recursive ();
		718	}
		719
		720	/* This function removes object 'op' from the list of active
		721	* objects.
		722	* This should only be used for style maps or other such
		723	* reference maps where you don't want an object that isn't
		724	* in play chewing up cpu time getting processed.
		725	* The reverse of this is to call update_ob_speed, which
		726	* will do the right thing based on the speed of the object.
		727	*/
		728	void
		729	object::deactivate ()
		730	{
		731	/* If not on the active list, nothing needs to be done */
		732	if (!active)
		733	return;
		734
		735	actives.erase (this);
		736	}
		737
		738	void
		739	object::deactivate_recursive ()
		740	{
		741	for (object *op = inv; op; op = op->below)
		742	op->deactivate_recursive ();
		743
		744	deactivate ();
		745	}
		746
		747	void
		748	object::set_flag_inv (int flag, int value)
		749	{
		750	for (object *op = inv; op; op = op->below)
895	}	751	{
896		752	op->flag [flag] = value;
897	if (next)	753	op->set_flag_inv (flag, value);
898	{	754	}
899	next->prev = prev;	755	}
900	next = 0;	756
		757	/*
		758	* Remove and free all objects in the inventory of the given object.
		759	* object.c ?
		760	*/
		761	void
		762	object::destroy_inv (bool drop_to_ground)
		763	{
		764	// need to check first, because the checks below might segfault
		765	// as we might be on an invalid mapspace and crossfire code
		766	// is too buggy to ensure that the inventory is empty.
		767	// corollary: if you create arrows etc. with stuff in tis inventory,
		768	// cf will crash below with off-map x and y
		769	if (!inv)
		770	return;
		771
		772	/* Only if the space blocks everything do we not process -
		773	* if some form of movement is allowed, let objects
		774	* drop on that space.
		775	*/
		776	if (!drop_to_ground
		777	|| !map
		778	|| map->in_memory != MAP_IN_MEMORY
		779	|| ms ().move_block == MOVE_ALL)
901	}	780	{
		781	while (inv)
		782	{
		783	inv->destroy_inv (drop_to_ground);
		784	inv->destroy ();
		785	}
		786	}
		787	else
		788	{ /* Put objects in inventory onto this space */
		789	while (inv)
		790	{
		791	object *op = inv;
902		792
903	if (this == objects)	793	if (op->flag [FLAG_STARTEQUIP]
904	objects = next;	794	|| op->flag [FLAG_NO_DROP]
		795	|| op->type == RUNE
		796	|| op->type == TRAP
		797	|| op->flag [FLAG_IS_A_TEMPLATE]
		798	|| op->flag [FLAG_DESTROY_ON_DEATH])
		799	op->destroy ();
		800	else
		801	map->insert (op, x, y);
		802	}
		803	}
905	}	804	}
906		805
907	object *object::create ()	806	object *object::create ()
908	{	807	{
909	object *op;
910
911	if (freed.empty ())
912	op = new object;	808	object *op = new object;
913	else
914	{
915	// highly annoying, but the only way to get it stable right now
916	op = freed.back ();
917	freed.pop_back ();
918	op->~object ();
919	new ((void *) op) object;
920	}
921
922	op->link ();	809	op->link ();
923	return op;	810	return op;
924	}	811	}
925		812
926	/*	813	void
927	* free_object() frees everything allocated by an object, removes	814	object::do_destroy ()
928	* it from the list of used objects, and puts it on the list of
929	* free objects. The IS_FREED() flag is set in the object.
930	* The object must have been removed by remove_ob() first for
931	* this function to succeed.
932	*
933	* If free_inventory is set, free inventory as well. Else drop items in
934	* inventory to the ground.
935	*/
936	void object::free (bool free_inventory)
937	{	815	{
938	if (QUERY_FLAG (this, FLAG_FREED))	816	attachable::do_destroy ();
		817
		818	if (flag [FLAG_IS_LINKED])
		819	remove_button_link (this);
		820
		821	if (flag [FLAG_FRIENDLY])
		822	remove_friendly_object (this);
		823
		824	if (!flag [FLAG_REMOVED])
		825	remove ();
		826
		827	destroy_inv (true);
		828
		829	deactivate ();
		830	unlink ();
		831
		832	flag [FLAG_FREED] = 1;
		833
		834	// hack to ensure that freed objects still have a valid map
		835	{
		836	static maptile *freed_map; // freed objects are moved here to avoid crashes
		837
		838	if (!freed_map)
		839	{
		840	freed_map = new maptile;
		841
		842	freed_map->name = "/internal/freed_objects_map";
		843	freed_map->width = 3;
		844	freed_map->height = 3;
		845
		846	freed_map->alloc ();
		847	freed_map->in_memory = MAP_IN_MEMORY;
		848	}
		849
		850	map = freed_map;
		851	x = 1;
		852	y = 1;
		853	}
		854
		855	head = 0;
		856
		857	if (more)
		858	{
		859	more->destroy ();
		860	more = 0;
		861	}
		862
		863	// clear those pointers that likely might have circular references to us
		864	owner = 0;
		865	enemy = 0;
		866	attacked_by = 0;
		867	}
		868
		869	void
		870	object::destroy (bool destroy_inventory)
		871	{
		872	if (destroyed ())
939	return;	873	return;
940		874
941	if (QUERY_FLAG (this, FLAG_FRIENDLY))	875	if (destroy_inventory)
942	remove_friendly_object (this);	876	destroy_inv (false);
943		877
944	if (!QUERY_FLAG (this, FLAG_REMOVED))	878	attachable::destroy ();
945	remove_ob (this);
946
947	SET_FLAG (this, FLAG_FREED);
948
949	if (more)
950	{
951	more->free (free_inventory);
952	more = 0;
953	}
954
955	if (inv)
956	{
957	/* Only if the space blocks everything do we not process -
958	* if some form of movement is allowed, let objects
959	* drop on that space.
960	*/
961	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
962	{
963	object *op = inv;
964
965	while (op)
966	{
967	object *tmp = op->below;
968	op->free (free_inventory);
969	op = tmp;
970	}
971	}
972	else
973	{ /* Put objects in inventory onto this space */
974	object *op = inv;
975
976	while (op)
977	{
978	object *tmp = op->below;
979
980	remove_ob (op);
981
982	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
983	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
984	free_object (op);
985	else
986	{
987	op->x = x;
988	op->y = y;
989	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
990	}
991
992	op = tmp;
993	}
994	}
995	}
996
997	owner = 0;
998
999	/* Remove object from the active list */
1000	speed = 0;
1001	update_ob_speed (this);
1002
1003	unlink ();
1004
1005	mortals.push_back (this);
1006	}	879	}
1007		880
1008	/*	881	/*
1009	* sub_weight() recursively (outwards) subtracts a number from the	882	* sub_weight() recursively (outwards) subtracts a number from the
1010	* weight of an object (and what is carried by it's environment(s)).	883	* weight of an object (and what is carried by it's environment(s)).
1011	*/	884	*/
1012
1013	void	885	void
1014	sub_weight (object *op, signed long weight)	886	sub_weight (object *op, signed long weight)
1015	{	887	{
1016	while (op != NULL)	888	while (op != NULL)
1017	{	889	{
1018	if (op->type == CONTAINER)	890	if (op->type == CONTAINER)
1019	{
1020	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	891	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1021	}	892
1022	op->carrying -= weight;	893	op->carrying -= weight;
1023	op = op->env;	894	op = op->env;
1024	}	895	}
1025	}	896	}
1026		897
1027	/* remove_ob(op):	898	/* op->remove ():
1028	* This function removes the object op from the linked list of objects	899	* This function removes the object op from the linked list of objects
1029	* which it is currently tied to. When this function is done, the	900	* which it is currently tied to. When this function is done, the
1030	* object will have no environment. If the object previously had an	901	* object will have no environment. If the object previously had an
1031	* environment, the x and y coordinates will be updated to	902	* environment, the x and y coordinates will be updated to
1032	* the previous environment.	903	* the previous environment.
1033	* Beware: This function is called from the editor as well!	904	* Beware: This function is called from the editor as well!
1034	*/	905	*/
1035
1036	void	906	void
1037	remove_ob (object *op)	907	object::remove_slow ()
1038	{	908	{
		909	object *tmp, *last = 0;
1039	object *	910	object *otmp;
1040	tmp, *
1041	last = NULL;
1042	object *
1043	otmp;
1044		911
1045	tag_t
1046	tag;
1047	int
1048	check_walk_off;
1049	mapstruct *
1050	m;
1051
1052	sint16
1053	x,
1054	y;
1055
1056	if (QUERY_FLAG (op, FLAG_REMOVED))	912	if (QUERY_FLAG (this, FLAG_REMOVED))
1057	return;	913	return;
1058		914
1059	SET_FLAG (op, FLAG_REMOVED);	915	SET_FLAG (this, FLAG_REMOVED);
		916	INVOKE_OBJECT (REMOVE, this);
1060		917
1061	if (op->more != NULL)	918	if (more)
1062	remove_ob (op->more);	919	more->remove ();
1063		920
1064	/*	921	/*
1065	* In this case, the object to be removed is in someones	922	* In this case, the object to be removed is in someones
1066	* inventory.	923	* inventory.
1067	*/	924	*/
1068	if (op->env != NULL)	925	if (env)
1069	{	926	{
1070	if (op->nrof)	927	if (nrof)
1071	sub_weight (op->env, op->weight * op->nrof);	928	sub_weight (env, weight * nrof);
1072	else	929	else
1073	sub_weight (op->env, op->weight + op->carrying);	930	sub_weight (env, weight + carrying);
1074		931
1075	/* NO_FIX_PLAYER is set when a great many changes are being	932	/* NO_FIX_PLAYER is set when a great many changes are being
1076	* made to players inventory. If set, avoiding the call	933	* made to players inventory. If set, avoiding the call
1077	* to save cpu time.	934	* to save cpu time.
1078	*/	935	*/
1079	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	936	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1080	fix_player (otmp);	937	otmp->update_stats ();
1081		938
1082	if (op->above != NULL)	939	if (above)
1083	op->above->below = op->below;	940	above->below = below;
1084	else	941	else
1085	op->env->inv = op->below;	942	env->inv = below;
1086		943
1087	if (op->below != NULL)	944	if (below)
1088	op->below->above = op->above;	945	below->above = above;
1089		946
1090	/* we set up values so that it could be inserted into	947	/* we set up values so that it could be inserted into
1091	* the map, but we don't actually do that - it is up	948	* the map, but we don't actually do that - it is up
1092	* to the caller to decide what we want to do.	949	* to the caller to decide what we want to do.
1093	*/	950	*/
1094	op->x = op->env->x, op->y = op->env->y;	951	x = env->x, y = env->y;
1095	op->map = op->env->map;	952	map = env->map;
1096	op->above = NULL, op->below = NULL;	953	above = 0, below = 0;
1097	op->env = NULL;	954	env = 0;
1098	}	955	}
1099	else if (op->map)	956	else if (map)
1100	{	957	{
1101	x = op->x;	958	if (type == PLAYER)
1102	y = op->y;
1103	m = get_map_from_coord (op->map, &x, &y);
1104
1105	if (!m)
1106	{	959	{
1107	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",	960	--map->players;
1108	op->map->path, op->x, op->y);	961	map->touch ();
1109	/* in old days, we used to set x and y to 0 and continue.
1110	* it seems if we get into this case, something is probablye
1111	* screwed up and should be fixed.
1112	*/
1113	abort ();
1114	}	962	}
1115		963
1116	if (op->map != m)	964	map->dirty = true;
1117	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	965	mapspace &ms = this->ms ();
1118	op->map->path, m->path, op->x, op->y, x, y);
1119
1120	/* Re did the following section of code - it looks like it had
1121	* lots of logic for things we no longer care about
1122	*/
1123		966
1124	/* link the object above us */	967	/* link the object above us */
1125	if (op->above)	968	if (above)
1126	op->above->below = op->below;	969	above->below = below;
1127	else	970	else
1128	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	971	ms.top = below; /* we were top, set new top */
1129		972
1130	/* Relink the object below us, if there is one */	973	/* Relink the object below us, if there is one */
1131	if (op->below)	974	if (below)
1132	op->below->above = op->above;	975	below->above = above;
1133	else	976	else
1134	{	977	{
1135	/* Nothing below, which means we need to relink map object for this space	978	/* Nothing below, which means we need to relink map object for this space
1136	* use translated coordinates in case some oddness with map tiling is	979	* use translated coordinates in case some oddness with map tiling is
1137	* evident	980	* evident
1138	*/	981	*/
1139	if (GET_MAP_OB (m, x, y) != op)	982	if (GET_MAP_OB (map, x, y) != this)
1140	{
1141	dump_object (op);
1142	LOG (llevError,
1143	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", errmsg);	983	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1144	dump_object (GET_MAP_OB (m, x, y));
1145	LOG (llevError, "%s\n", errmsg);
1146	}
1147		984
1148	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */	985	ms.bot = above; /* goes on above it. */
1149	}	986	}
1150		987
1151	op->above = 0;	988	above = 0;
1152	op->below = 0;	989	below = 0;
1153		990
1154	if (op->map->in_memory == MAP_SAVING)	991	if (map->in_memory == MAP_SAVING)
1155	return;	992	return;
1156		993
1157	tag = op->count;	994	int check_walk_off = !flag [FLAG_NO_APPLY];
1158	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1159		995
1160	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	996	for (tmp = ms.bot; tmp; tmp = tmp->above)
1161	{	997	{
1162	/* No point updating the players look faces if he is the object	998	/* No point updating the players look faces if he is the object
1163	* being removed.	999	* being removed.
1164	*/	1000	*/
1165		1001
1166	if (tmp->type == PLAYER && tmp != op)	1002	if (tmp->type == PLAYER && tmp != this)
1167	{	1003	{
1168	/* If a container that the player is currently using somehow gets	1004	/* If a container that the player is currently using somehow gets
1169	* removed (most likely destroyed), update the player view	1005	* removed (most likely destroyed), update the player view
1170	* appropriately.	1006	* appropriately.
1171	*/	1007	*/
1172	if (tmp->container == op)	1008	if (tmp->container == this)
1173	{	1009	{
1174	CLEAR_FLAG (op, FLAG_APPLIED);	1010	flag [FLAG_APPLIED] = 0;
1175	tmp->container = NULL;	1011	tmp->container = 0;
1176	}	1012	}
1177		1013
1178	tmp->contr->socket.update_look = 1;	1014	if (tmp->contr->ns)
		1015	tmp->contr->ns->floorbox_update ();
1179	}	1016	}
1180		1017
1181	/* See if player moving off should effect something */	1018	/* See if object moving off should effect something */
1182	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1019	if (check_walk_off
		1020	&& ((move_type & tmp->move_off)
		1021	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1183	{	1022	{
1184	move_apply (tmp, op, NULL);	1023	move_apply (tmp, this, 0);
1185		1024
1186	if (was_destroyed (op, tag))	1025	if (destroyed ())
1187	{
1188	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);	1026	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1189	}
1190	}	1027	}
1191		1028
1192	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1029	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1193		1030	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1194	if (tmp->above == tmp)	1031	if (tmp->above == tmp)
1195	tmp->above = NULL;	1032	tmp->above = 0;
1196		1033
1197	last = tmp;	1034	last = tmp;
1198	}	1035	}
1199		1036
1200	/* last == NULL of there are no objects on this space */	1037	/* last == NULL if there are no objects on this space */
		1038	//TODO: this makes little sense, why only update the topmost object?
1201	if (last == NULL)	1039	if (!last)
1202	{	1040	map->at (x, y).flags_ = 0;
1203	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1204	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1205	* those out anyways, and if there are any flags set right now, they won't
1206	* be correct anyways.
1207	*/
1208	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1209	update_position (op->map, op->x, op->y);
1210	}
1211	else	1041	else
1212	update_object (last, UP_OBJ_REMOVE);	1042	update_object (last, UP_OBJ_REMOVE);
1213		1043
1214	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1044	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1215	update_all_los (op->map, op->x, op->y);	1045	update_all_los (map, x, y);
1216	}	1046	}
1217	}	1047	}
1218		1048
1219	/*	1049	/*
1220	* merge_ob(op,top):	1050	* merge_ob(op,top):
…		…
1222	* This function goes through all objects below and including top, and	1052	* This function goes through all objects below and including top, and
1223	* merges op to the first matching object.	1053	* merges op to the first matching object.
1224	* If top is NULL, it is calculated.	1054	* If top is NULL, it is calculated.
1225	* Returns pointer to object if it succeded in the merge, otherwise NULL	1055	* Returns pointer to object if it succeded in the merge, otherwise NULL
1226	*/	1056	*/
1227
1228	object *	1057	object *
1229	merge_ob (object *op, object *top)	1058	merge_ob (object *op, object *top)
1230	{	1059	{
1231	if (!op->nrof)	1060	if (!op->nrof)
1232	return 0;	1061	return 0;
1233		1062
1234	if (top == NULL)	1063	if (top)
1235	for (top = op; top != NULL && top->above != NULL; top = top->above);	1064	for (top = op; top && top->above; top = top->above)
		1065	;
1236		1066
1237	for (; top != NULL; top = top->below)	1067	for (; top; top = top->below)
1238	{	1068	{
1239	if (top == op)	1069	if (top == op)
1240	continue;	1070	continue;
1241	if (CAN_MERGE (op, top))	1071
		1072	if (object::can_merge (op, top))
1242	{	1073	{
1243	top->nrof += op->nrof;	1074	top->nrof += op->nrof;
1244		1075
1245	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1076	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1246	op->weight = 0; /* Don't want any adjustements now */	1077	op->weight = 0; /* Don't want any adjustements now */
1247	remove_ob (op);	1078	op->destroy ();
1248	free_object (op);
1249	return top;	1079	return top;
1250	}	1080	}
1251	}	1081	}
1252		1082
1253	return NULL;	1083	return 0;
1254	}	1084	}
1255		1085
1256	/*	1086	/*
1257	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1087	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1258	* job preparing multi-part monsters	1088	* job preparing multi-part monsters.
1259	*/	1089	*/
1260	object *	1090	object *
1261	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1091	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1262	{	1092	{
1263	object *tmp;
1264
1265	if (op->head)
1266	op = op->head;
1267
1268	for (tmp = op; tmp; tmp = tmp->more)	1093	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1269	{	1094	{
1270	tmp->x = x + tmp->arch->clone.x;	1095	tmp->x = x + tmp->arch->clone.x;
1271	tmp->y = y + tmp->arch->clone.y;	1096	tmp->y = y + tmp->arch->clone.y;
1272	}	1097	}
1273		1098
…		…
1292	* Return value:	1117	* Return value:
1293	* new object if 'op' was merged with other object	1118	* new object if 'op' was merged with other object
1294	* NULL if 'op' was destroyed	1119	* NULL if 'op' was destroyed
1295	* just 'op' otherwise	1120	* just 'op' otherwise
1296	*/	1121	*/
1297
1298	object *	1122	object *
1299	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1123	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1300	{	1124	{
1301	object *tmp, *top, *floor = NULL;	1125	object *tmp, *top, *floor = NULL;
1302	sint16 x, y;
1303		1126
1304	if (QUERY_FLAG (op, FLAG_FREED))	1127	if (QUERY_FLAG (op, FLAG_FREED))
1305	{	1128	{
1306	LOG (llevError, "Trying to insert freed object!\n");	1129	LOG (llevError, "Trying to insert freed object!\n");
1307	return NULL;	1130	return NULL;
1308	}	1131	}
1309		1132
1310	if (m == NULL)	1133	if (!QUERY_FLAG (op, FLAG_REMOVED))
		1134	LOG (llevError, "Trying to insert already inserted object %s\n", op->debug_desc ());
		1135
		1136	op->remove ();
		1137
		1138	if (!m)
1311	{	1139	{
1312	dump_object (op);	1140	char *dump = dump_object (op);
1313	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);	1141	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
		1142	free (dump);
1314	return op;	1143	return op;
1315	}	1144	}
1316		1145
1317	if (out_of_map (m, op->x, op->y))	1146	if (out_of_map (m, op->x, op->y))
1318	{	1147	{
1319	dump_object (op);	1148	char *dump = dump_object (op);
1320	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);	1149	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1321	#ifdef MANY_CORES	1150	#ifdef MANY_CORES
1322	/* Better to catch this here, as otherwise the next use of this object	1151	/* Better to catch this here, as otherwise the next use of this object
1323	* is likely to cause a crash. Better to find out where it is getting	1152	* is likely to cause a crash. Better to find out where it is getting
1324	* improperly inserted.	1153	* improperly inserted.
1325	*/	1154	*/
1326	abort ();	1155	abort ();
1327	#endif	1156	#endif
		1157	free (dump);
1328	return op;	1158	return op;
1329	}	1159	}
1330		1160
1331	if (!QUERY_FLAG (op, FLAG_REMOVED))
1332	{
1333	dump_object (op);
1334	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1335	return op;
1336	}
1337
1338	if (op->more != NULL)
1339	{
1340	/* The part may be on a different map. */
1341
1342	object *more = op->more;	1161	if (object *more = op->more)
1343		1162	{
1344	/* We really need the caller to normalize coordinates - if
1345	* we set the map, that doesn't work if the location is within
1346	* a map and this is straddling an edge. So only if coordinate
1347	* is clear wrong do we normalize it.
1348	*/
1349	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1350	more->map = get_map_from_coord (m, &more->x, &more->y);
1351	else if (!more->map)
1352	{
1353	/* For backwards compatibility - when not dealing with tiled maps,
1354	* more->map should always point to the parent.
1355	*/
1356	more->map = m;
1357	}
1358
1359	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1163	if (!insert_ob_in_map (more, m, originator, flag))
1360	{	1164	{
1361	if (!op->head)	1165	if (!op->head)
1362	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1166	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1363		1167
1364	return NULL;	1168	return 0;
1365	}	1169	}
1366	}	1170	}
1367		1171
1368	CLEAR_FLAG (op, FLAG_REMOVED);	1172	CLEAR_FLAG (op, FLAG_REMOVED);
1369		1173
1370	/* Ideally, the caller figures this out. However, it complicates a lot	1174	/* Ideally, the caller figures this out. However, it complicates a lot
1371	* of areas of callers (eg, anything that uses find_free_spot would now	1175	* of areas of callers (eg, anything that uses find_free_spot would now
1372	* need extra work	1176	* need extra work
1373	*/	1177	*/
1374	op->map = get_map_from_coord (m, &op->x, &op->y);	1178	if (!xy_normalise (m, op->x, op->y))
1375	x = op->x;	1179	return 0;
1376	y = op->y;	1180
		1181	op->map = m;
		1182	mapspace &ms = op->ms ();
1377		1183
1378	/* this has to be done after we translate the coordinates.	1184	/* this has to be done after we translate the coordinates.
1379	*/	1185	*/
1380	if (op->nrof && !(flag & INS_NO_MERGE))	1186	if (op->nrof && !(flag & INS_NO_MERGE))
1381	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1187	for (tmp = ms.bot; tmp; tmp = tmp->above)
1382	if (CAN_MERGE (op, tmp))	1188	if (object::can_merge (op, tmp))
1383	{	1189	{
1384	op->nrof += tmp->nrof;	1190	op->nrof += tmp->nrof;
1385	remove_ob (tmp);	1191	tmp->destroy ();
1386	free_object (tmp);
1387	}	1192	}
1388		1193
1389	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1194	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1390	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1195	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1391		1196
…		…
1404	op->below = originator->below;	1209	op->below = originator->below;
1405		1210
1406	if (op->below)	1211	if (op->below)
1407	op->below->above = op;	1212	op->below->above = op;
1408	else	1213	else
1409	SET_MAP_OB (op->map, op->x, op->y, op);	1214	ms.bot = op;
1410		1215
1411	/* since *below* originator, no need to update top */	1216	/* since *below* originator, no need to update top */
1412	originator->below = op;	1217	originator->below = op;
1413	}	1218	}
1414	else	1219	else
1415	{	1220	{
		1221	top = ms.bot;
		1222
1416	/* If there are other objects, then */	1223	/* If there are other objects, then */
1417	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1224	if ((!(flag & INS_MAP_LOAD)) && top)
1418	{	1225	{
1419	object *last = NULL;	1226	object *last = 0;
1420		1227
1421	/*	1228	/*
1422	* If there are multiple objects on this space, we do some trickier handling.	1229	* If there are multiple objects on this space, we do some trickier handling.
1423	* We've already dealt with merging if appropriate.	1230	* We've already dealt with merging if appropriate.
1424	* Generally, we want to put the new object on top. But if	1231	* Generally, we want to put the new object on top. But if
…		…
1428	* once we get to them. This reduces the need to traverse over all of	1235	* once we get to them. This reduces the need to traverse over all of
1429	* them when adding another one - this saves quite a bit of cpu time	1236	* them when adding another one - this saves quite a bit of cpu time
1430	* when lots of spells are cast in one area. Currently, it is presumed	1237	* when lots of spells are cast in one area. Currently, it is presumed
1431	* that flying non pickable objects are spell objects.	1238	* that flying non pickable objects are spell objects.
1432	*/	1239	*/
1433		1240	for (top = ms.bot; top; top = top->above)
1434	while (top != NULL)
1435	{	1241	{
1436	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1242	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1437	floor = top;	1243	floor = top;
1438		1244
1439	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1245	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1442	top = top->below;	1248	top = top->below;
1443	break;	1249	break;
1444	}	1250	}
1445		1251
1446	last = top;	1252	last = top;
1447	top = top->above;
1448	}	1253	}
1449		1254
1450	/* Don't want top to be NULL, so set it to the last valid object */	1255	/* Don't want top to be NULL, so set it to the last valid object */
1451	top = last;	1256	top = last;
1452		1257
…		…
1459	* Unless those objects are exits, type 66	1264	* Unless those objects are exits, type 66
1460	* If INS_ON_TOP is used, don't do this processing	1265	* If INS_ON_TOP is used, don't do this processing
1461	* Need to find the object that in fact blocks view, otherwise	1266	* Need to find the object that in fact blocks view, otherwise
1462	* stacking is a bit odd.	1267	* stacking is a bit odd.
1463	*/	1268	*/
1464	if (!(flag & INS_ON_TOP) &&	1269	if (!(flag & INS_ON_TOP)
1465	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1270	&& ms.flags () & P_BLOCKSVIEW
		1271	&& (op->face && !op->face->visibility))
1466	{	1272	{
1467	for (last = top; last != floor; last = last->below)	1273	for (last = top; last != floor; last = last->below)
1468	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1274	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1469	break;	1275	break;
		1276
1470	/* Check to see if we found the object that blocks view,	1277	/* Check to see if we found the object that blocks view,
1471	* and make sure we have a below pointer for it so that	1278	* and make sure we have a below pointer for it so that
1472	* we can get inserted below this one, which requires we	1279	* we can get inserted below this one, which requires we
1473	* set top to the object below us.	1280	* set top to the object below us.
1474	*/	1281	*/
…		…
1476	top = last->below;	1283	top = last->below;
1477	}	1284	}
1478	} /* If objects on this space */	1285	} /* If objects on this space */
1479		1286
1480	if (flag & INS_MAP_LOAD)	1287	if (flag & INS_MAP_LOAD)
1481	top = GET_MAP_TOP (op->map, op->x, op->y);	1288	top = ms.top;
1482		1289
1483	if (flag & INS_ABOVE_FLOOR_ONLY)	1290	if (flag & INS_ABOVE_FLOOR_ONLY)
1484	top = floor;	1291	top = floor;
1485		1292
1486	/* Top is the object that our object (op) is going to get inserted above.	1293	/* Top is the object that our object (op) is going to get inserted above.
1487	*/	1294	*/
1488		1295
1489	/* First object on this space */	1296	/* First object on this space */
1490	if (!top)	1297	if (!top)
1491	{	1298	{
1492	op->above = GET_MAP_OB (op->map, op->x, op->y);	1299	op->above = ms.bot;
1493		1300
1494	if (op->above)	1301	if (op->above)
1495	op->above->below = op;	1302	op->above->below = op;
1496		1303
1497	op->below = NULL;	1304	op->below = 0;
1498	SET_MAP_OB (op->map, op->x, op->y, op);	1305	ms.bot = op;
1499	}	1306	}
1500	else	1307	else
1501	{ /* get inserted into the stack above top */	1308	{ /* get inserted into the stack above top */
1502	op->above = top->above;	1309	op->above = top->above;
1503		1310
…		…
1506		1313
1507	op->below = top;	1314	op->below = top;
1508	top->above = op;	1315	top->above = op;
1509	}	1316	}
1510		1317
1511	if (op->above == NULL)	1318	if (!op->above)
1512	SET_MAP_TOP (op->map, op->x, op->y, op);	1319	ms.top = op;
1513	} /* else not INS_BELOW_ORIGINATOR */	1320	} /* else not INS_BELOW_ORIGINATOR */
1514		1321
1515	if (op->type == PLAYER)	1322	if (op->type == PLAYER)
		1323	{
1516	op->contr->do_los = 1;	1324	op->contr->do_los = 1;
		1325	++op->map->players;
		1326	op->map->touch ();
		1327	}
		1328
		1329	op->map->dirty = true;
1517		1330
1518	/* If we have a floor, we know the player, if any, will be above	1331	/* If we have a floor, we know the player, if any, will be above
1519	* it, so save a few ticks and start from there.	1332	* it, so save a few ticks and start from there.
1520	*/	1333	*/
1521	if (!(flag & INS_MAP_LOAD))	1334	if (!(flag & INS_MAP_LOAD))
1522	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1335	if (object *pl = ms.player ())
1523	if (tmp->type == PLAYER)	1336	if (pl->contr->ns)
1524	tmp->contr->socket.update_look = 1;	1337	pl->contr->ns->floorbox_update ();
1525		1338
1526	/* If this object glows, it may affect lighting conditions that are	1339	/* If this object glows, it may affect lighting conditions that are
1527	* visible to others on this map. But update_all_los is really	1340	* visible to others on this map. But update_all_los is really
1528	* an inefficient way to do this, as it means los for all players	1341	* an inefficient way to do this, as it means los for all players
1529	* on the map will get recalculated. The players could very well	1342	* on the map will get recalculated. The players could very well
1530	* be far away from this change and not affected in any way -	1343	* be far away from this change and not affected in any way -
1531	* this should get redone to only look for players within range,	1344	* this should get redone to only look for players within range,
1532	* or just updating the P_NEED_UPDATE for spaces within this area	1345	* or just updating the P_UPTODATE for spaces within this area
1533	* of effect may be sufficient.	1346	* of effect may be sufficient.
1534	*/	1347	*/
1535	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1348	if (op->map->darkness && (op->glow_radius != 0))
1536	update_all_los (op->map, op->x, op->y);	1349	update_all_los (op->map, op->x, op->y);
1537		1350
1538	/* updates flags (blocked, alive, no magic, etc) for this map space */	1351	/* updates flags (blocked, alive, no magic, etc) for this map space */
1539	update_object (op, UP_OBJ_INSERT);	1352	update_object (op, UP_OBJ_INSERT);
1540		1353
		1354	INVOKE_OBJECT (INSERT, op);
		1355
1541	/* Don't know if moving this to the end will break anything. However,	1356	/* Don't know if moving this to the end will break anything. However,
1542	* we want to have update_look set above before calling this.	1357	* we want to have floorbox_update called before calling this.
1543	*	1358	*
1544	* check_move_on() must be after this because code called from	1359	* check_move_on() must be after this because code called from
1545	* check_move_on() depends on correct map flags (so functions like	1360	* check_move_on() depends on correct map flags (so functions like
1546	* blocked() and wall() work properly), and these flags are updated by	1361	* blocked() and wall() work properly), and these flags are updated by
1547	* update_object().	1362	* update_object().
…		…
1549		1364
1550	/* if this is not the head or flag has been passed, don't check walk on status */	1365	/* if this is not the head or flag has been passed, don't check walk on status */
1551	if (!(flag & INS_NO_WALK_ON) && !op->head)	1366	if (!(flag & INS_NO_WALK_ON) && !op->head)
1552	{	1367	{
1553	if (check_move_on (op, originator))	1368	if (check_move_on (op, originator))
1554	return NULL;	1369	return 0;
1555		1370
1556	/* If we are a multi part object, lets work our way through the check	1371	/* If we are a multi part object, lets work our way through the check
1557	* walk on's.	1372	* walk on's.
1558	*/	1373	*/
1559	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1374	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1560	if (check_move_on (tmp, originator))	1375	if (check_move_on (tmp, originator))
1561	return NULL;	1376	return 0;
1562	}	1377	}
1563		1378
1564	return op;	1379	return op;
1565	}	1380	}
1566		1381
1567	/* this function inserts an object in the map, but if it	1382	/* this function inserts an object in the map, but if it
1568	* finds an object of its own type, it'll remove that one first.	1383	* finds an object of its own type, it'll remove that one first.
1569	* op is the object to insert it under: supplies x and the map.	1384	* op is the object to insert it under: supplies x and the map.
1570	*/	1385	*/
1571	void	1386	void
1572	replace_insert_ob_in_map (const char *arch_string, object *op)	1387	replace_insert_ob_in_map (const char *arch_string, object *op)
1573	{	1388	{
1574	object *	1389	object *tmp, *tmp1;
1575	tmp;
1576	object *
1577	tmp1;
1578		1390
1579	/* first search for itself and remove any old instances */	1391	/* first search for itself and remove any old instances */
1580		1392
1581	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1393	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1582	{
1583	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1394	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1584	{	1395	tmp->destroy ();
1585	remove_ob (tmp);
1586	free_object (tmp);
1587	}
1588	}
1589		1396
1590	tmp1 = arch_to_object (find_archetype (arch_string));	1397	tmp1 = arch_to_object (archetype::find (arch_string));
1591		1398
1592	tmp1->x = op->x;	1399	tmp1->x = op->x;
1593	tmp1->y = op->y;	1400	tmp1->y = op->y;
1594	insert_ob_in_map (tmp1, op->map, op, 0);	1401	insert_ob_in_map (tmp1, op->map, op, 0);
		1402	}
		1403
		1404	object *
		1405	object::insert_at (object *where, object *originator, int flags)
		1406	{
		1407	where->map->insert (this, where->x, where->y, originator, flags);
1595	}	1408	}
1596		1409
1597	/*	1410	/*
1598	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1411	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1599	* is returned contains nr objects, and the remaining parts contains	1412	* is returned contains nr objects, and the remaining parts contains
1600	* the rest (or is removed and freed if that number is 0).	1413	* the rest (or is removed and freed if that number is 0).
1601	* On failure, NULL is returned, and the reason put into the	1414	* On failure, NULL is returned, and the reason put into the
1602	* global static errmsg array.	1415	* global static errmsg array.
1603	*/	1416	*/
1604
1605	object *	1417	object *
1606	get_split_ob (object *orig_ob, uint32 nr)	1418	get_split_ob (object *orig_ob, uint32 nr)
1607	{	1419	{
1608	object *	1420	object *newob;
1609	newob;
1610	int
1611	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1421	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1612		1422
1613	if (orig_ob->nrof < nr)	1423	if (orig_ob->nrof < nr)
1614	{	1424	{
1615	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1425	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1616	return NULL;	1426	return NULL;
1617	}	1427	}
1618		1428
1619	newob = object_create_clone (orig_ob);	1429	newob = object_create_clone (orig_ob);
1620		1430
1621	if ((orig_ob->nrof -= nr) < 1)	1431	if ((orig_ob->nrof -= nr) < 1)
1622	{	1432	orig_ob->destroy (1);
1623	if (!is_removed)
1624	remove_ob (orig_ob);
1625	free_object2 (orig_ob, 1);
1626	}
1627	else if (!is_removed)	1433	else if (!is_removed)
1628	{	1434	{
1629	if (orig_ob->env != NULL)	1435	if (orig_ob->env != NULL)
1630	sub_weight (orig_ob->env, orig_ob->weight * nr);	1436	sub_weight (orig_ob->env, orig_ob->weight * nr);
1631	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1437	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1651		1457
1652	object *	1458	object *
1653	decrease_ob_nr (object *op, uint32 i)	1459	decrease_ob_nr (object *op, uint32 i)
1654	{	1460	{
1655	object *tmp;	1461	object *tmp;
1656	player *pl;
1657		1462
1658	if (i == 0) /* objects with op->nrof require this check */	1463	if (i == 0) /* objects with op->nrof require this check */
1659	return op;	1464	return op;
1660		1465
1661	if (i > op->nrof)	1466	if (i > op->nrof)
1662	i = op->nrof;	1467	i = op->nrof;
1663		1468
1664	if (QUERY_FLAG (op, FLAG_REMOVED))	1469	if (QUERY_FLAG (op, FLAG_REMOVED))
1665	op->nrof -= i;	1470	op->nrof -= i;
1666	else if (op->env != NULL)	1471	else if (op->env)
1667	{	1472	{
1668	/* is this object in the players inventory, or sub container	1473	/* is this object in the players inventory, or sub container
1669	* therein?	1474	* therein?
1670	*/	1475	*/
1671	tmp = is_player_inv (op->env);	1476	tmp = op->in_player ();
1672	/* nope. Is this a container the player has opened?	1477	/* nope. Is this a container the player has opened?
1673	* If so, set tmp to that player.	1478	* If so, set tmp to that player.
1674	* IMO, searching through all the players will mostly	1479	* IMO, searching through all the players will mostly
1675	* likely be quicker than following op->env to the map,	1480	* likely be quicker than following op->env to the map,
1676	* and then searching the map for a player.	1481	* and then searching the map for a player.
1677	*/	1482	*/
1678	if (!tmp)	1483	if (!tmp)
1679	{	1484	for_all_players (pl)
1680	for (pl = first_player; pl; pl = pl->next)
1681	if (pl->ob->container == op->env)	1485	if (pl->ob->container == op->env)
		1486	{
		1487	tmp = pl->ob;
1682	break;	1488	break;
1683	if (pl)
1684	tmp = pl->ob;
1685	else
1686	tmp = NULL;
1687	}	1489	}
1688		1490
1689	if (i < op->nrof)	1491	if (i < op->nrof)
1690	{	1492	{
1691	sub_weight (op->env, op->weight * i);	1493	sub_weight (op->env, op->weight * i);
1692	op->nrof -= i;	1494	op->nrof -= i;
1693	if (tmp)	1495	if (tmp)
1694	{
1695	esrv_send_item (tmp, op);	1496	esrv_send_item (tmp, op);
1696	}
1697	}	1497	}
1698	else	1498	else
1699	{	1499	{
1700	remove_ob (op);	1500	op->remove ();
1701	op->nrof = 0;	1501	op->nrof = 0;
1702	if (tmp)	1502	if (tmp)
1703	{
1704	esrv_del_item (tmp->contr, op->count);	1503	esrv_del_item (tmp->contr, op->count);
1705	}
1706	}	1504	}
1707	}	1505	}
1708	else	1506	else
1709	{	1507	{
1710	object *above = op->above;	1508	object *above = op->above;
1711		1509
1712	if (i < op->nrof)	1510	if (i < op->nrof)
1713	op->nrof -= i;	1511	op->nrof -= i;
1714	else	1512	else
1715	{	1513	{
1716	remove_ob (op);	1514	op->remove ();
1717	op->nrof = 0;	1515	op->nrof = 0;
1718	}	1516	}
1719		1517
1720	/* Since we just removed op, op->above is null */	1518	/* Since we just removed op, op->above is null */
1721	for (tmp = above; tmp != NULL; tmp = tmp->above)	1519	for (tmp = above; tmp; tmp = tmp->above)
1722	if (tmp->type == PLAYER)	1520	if (tmp->type == PLAYER)
1723	{	1521	{
1724	if (op->nrof)	1522	if (op->nrof)
1725	esrv_send_item (tmp, op);	1523	esrv_send_item (tmp, op);
1726	else	1524	else
…		…
1730		1528
1731	if (op->nrof)	1529	if (op->nrof)
1732	return op;	1530	return op;
1733	else	1531	else
1734	{	1532	{
1735	free_object (op);	1533	op->destroy ();
1736	return NULL;	1534	return 0;
1737	}	1535	}
1738	}	1536	}
1739		1537
1740	/*	1538	/*
1741	* add_weight(object, weight) adds the specified weight to an object,	1539	* add_weight(object, weight) adds the specified weight to an object,
…		…
1753	op->carrying += weight;	1551	op->carrying += weight;
1754	op = op->env;	1552	op = op->env;
1755	}	1553	}
1756	}	1554	}
1757		1555
		1556	object *
		1557	insert_ob_in_ob (object *op, object *where)
		1558	{
		1559	if (!where)
		1560	{
		1561	char *dump = dump_object (op);
		1562	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1563	free (dump);
		1564	return op;
		1565	}
		1566
		1567	if (where->head)
		1568	{
		1569	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1570	where = where->head;
		1571	}
		1572
		1573	return where->insert (op);
		1574	}
		1575
1758	/*	1576	/*
1759	* insert_ob_in_ob(op,environment):	1577	* env->insert (op)
1760	* This function inserts the object op in the linked list	1578	* This function inserts the object op in the linked list
1761	* inside the object environment.	1579	* inside the object environment.
1762	*	1580	*
1763	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1764	* the inventory at the last position or next to other objects of the same
1765	* type.
1766	* Frank: Now sorted by type, archetype and magic!
1767	*
1768	* The function returns now pointer to inserted item, and return value can	1581	* The function returns now pointer to inserted item, and return value can
1769	* be != op, if items are merged. -Tero	1582	* be != op, if items are merged. -Tero
1770	*/	1583	*/
1771		1584
1772	object *	1585	object *
1773	insert_ob_in_ob (object *op, object *where)	1586	object::insert (object *op)
1774	{	1587	{
1775	object *	1588	object *tmp, *otmp;
1776	tmp, *
1777	otmp;
1778		1589
1779	if (!QUERY_FLAG (op, FLAG_REMOVED))	1590	if (!QUERY_FLAG (op, FLAG_REMOVED))
1780	{	1591	op->remove ();
1781	dump_object (op);
1782	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1783	return op;
1784	}
1785
1786	if (where == NULL)
1787	{
1788	dump_object (op);
1789	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1790	return op;
1791	}
1792
1793	if (where->head)
1794	{
1795	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1796	where = where->head;
1797	}
1798		1592
1799	if (op->more)	1593	if (op->more)
1800	{	1594	{
1801	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1595	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1802	return op;	1596	return op;
…		…
1804		1598
1805	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1599	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1806	CLEAR_FLAG (op, FLAG_REMOVED);	1600	CLEAR_FLAG (op, FLAG_REMOVED);
1807	if (op->nrof)	1601	if (op->nrof)
1808	{	1602	{
1809	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1603	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1810	if (CAN_MERGE (tmp, op))	1604	if (object::can_merge (tmp, op))
1811	{	1605	{
1812	/* return the original object and remove inserted object	1606	/* return the original object and remove inserted object
1813	(client needs the original object) */	1607	(client needs the original object) */
1814	tmp->nrof += op->nrof;	1608	tmp->nrof += op->nrof;
1815	/* Weight handling gets pretty funky. Since we are adding to	1609	/* Weight handling gets pretty funky. Since we are adding to
1816	* tmp->nrof, we need to increase the weight.	1610	* tmp->nrof, we need to increase the weight.
1817	*/	1611	*/
1818	add_weight (where, op->weight * op->nrof);	1612	add_weight (this, op->weight * op->nrof);
1819	SET_FLAG (op, FLAG_REMOVED);	1613	SET_FLAG (op, FLAG_REMOVED);
1820	free_object (op); /* free the inserted object */	1614	op->destroy (); /* free the inserted object */
1821	op = tmp;	1615	op = tmp;
1822	remove_ob (op); /* and fix old object's links */	1616	op->remove (); /* and fix old object's links */
1823	CLEAR_FLAG (op, FLAG_REMOVED);	1617	CLEAR_FLAG (op, FLAG_REMOVED);
1824	break;	1618	break;
1825	}	1619	}
1826		1620
1827	/* I assume combined objects have no inventory	1621	/* I assume combined objects have no inventory
1828	* We add the weight - this object could have just been removed	1622	* We add the weight - this object could have just been removed
1829	* (if it was possible to merge). calling remove_ob will subtract	1623	* (if it was possible to merge). calling remove_ob will subtract
1830	* the weight, so we need to add it in again, since we actually do	1624	* the weight, so we need to add it in again, since we actually do
1831	* the linking below	1625	* the linking below
1832	*/	1626	*/
1833	add_weight (where, op->weight * op->nrof);	1627	add_weight (this, op->weight * op->nrof);
1834	}	1628	}
1835	else	1629	else
1836	add_weight (where, (op->weight + op->carrying));	1630	add_weight (this, (op->weight + op->carrying));
1837		1631
1838	otmp = is_player_inv (where);	1632	otmp = this->in_player ();
1839	if (otmp && otmp->contr != NULL)	1633	if (otmp && otmp->contr)
1840	{
1841	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1634	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1842	fix_player (otmp);	1635	otmp->update_stats ();
1843	}
1844		1636
1845	op->map = NULL;	1637	op->map = 0;
1846	op->env = where;	1638	op->env = this;
1847	op->above = NULL;	1639	op->above = 0;
1848	op->below = NULL;	1640	op->below = 0;
1849	op->x = 0, op->y = 0;	1641	op->x = 0, op->y = 0;
1850		1642
1851	/* reset the light list and los of the players on the map */	1643	/* reset the light list and los of the players on the map */
1852	if ((op->glow_radius != 0) && where->map)	1644	if ((op->glow_radius != 0) && map)
1853	{	1645	{
1854	#ifdef DEBUG_LIGHTS	1646	#ifdef DEBUG_LIGHTS
1855	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1647	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1856	#endif /* DEBUG_LIGHTS */	1648	#endif /* DEBUG_LIGHTS */
1857	if (MAP_DARKNESS (where->map))	1649	if (map->darkness)
1858	update_all_los (where->map, where->x, where->y);	1650	update_all_los (map, x, y);
1859	}	1651	}
1860		1652
1861	/* Client has no idea of ordering so lets not bother ordering it here.	1653	/* Client has no idea of ordering so lets not bother ordering it here.
1862	* It sure simplifies this function...	1654	* It sure simplifies this function...
1863	*/	1655	*/
1864	if (where->inv == NULL)	1656	if (!inv)
1865	where->inv = op;	1657	inv = op;
1866	else	1658	else
1867	{	1659	{
1868	op->below = where->inv;	1660	op->below = inv;
1869	op->below->above = op;	1661	op->below->above = op;
1870	where->inv = op;	1662	inv = op;
1871	}	1663	}
		1664
		1665	INVOKE_OBJECT (INSERT, this);
		1666
1872	return op;	1667	return op;
1873	}	1668	}
1874		1669
1875	/*	1670	/*
1876	* Checks if any objects has a move_type that matches objects	1671	* Checks if any objects has a move_type that matches objects
…		…
1890	*	1685	*
1891	* MSW 2001-07-08: Check all objects on space, not just those below	1686	* MSW 2001-07-08: Check all objects on space, not just those below
1892	* object being inserted. insert_ob_in_map may not put new objects	1687	* object being inserted. insert_ob_in_map may not put new objects
1893	* on top.	1688	* on top.
1894	*/	1689	*/
1895
1896	int	1690	int
1897	check_move_on (object *op, object *originator)	1691	check_move_on (object *op, object *originator)
1898	{	1692	{
1899	object *	1693	object *tmp;
1900	tmp;	1694	maptile *m = op->map;
1901	tag_t
1902	tag;
1903	mapstruct *
1904	m = op->map;
1905	int
1906	x = op->x, y = op->y;	1695	int x = op->x, y = op->y;
1907		1696
1908	MoveType	1697	MoveType move_on, move_slow, move_block;
1909	move_on,
1910	move_slow,
1911	move_block;
1912		1698
1913	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1699	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1914	return 0;	1700	return 0;
1915
1916	tag = op->count;
1917		1701
1918	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1702	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
1919	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1703	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
1920	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1704	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1921		1705
…		…
1937		1721
1938	/* The objects have to be checked from top to bottom.	1722	/* The objects have to be checked from top to bottom.
1939	* Hence, we first go to the top:	1723	* Hence, we first go to the top:
1940	*/	1724	*/
1941		1725
1942	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1726	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1943	{	1727	{
1944	/* Trim the search when we find the first other spell effect	1728	/* Trim the search when we find the first other spell effect
1945	* this helps performance so that if a space has 50 spell objects,	1729	* this helps performance so that if a space has 50 spell objects,
1946	* we don't need to check all of them.	1730	* we don't need to check all of them.
1947	*/	1731	*/
…		…
1965	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1749	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1966	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1750	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1967	{	1751	{
1968		1752
1969	float	1753	float
1970	diff = tmp->move_slow_penalty * FABS (op->speed);	1754	diff = tmp->move_slow_penalty * fabs (op->speed);
1971		1755
1972	if (op->type == PLAYER)	1756	if (op->type == PLAYER)
1973	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1757	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1974	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1758	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1975	diff /= 4.0;	1759	diff /= 4.0;
…		…
1982	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1766	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1983	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1767	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1984	{	1768	{
1985	move_apply (tmp, op, originator);	1769	move_apply (tmp, op, originator);
1986		1770
1987	if (was_destroyed (op, tag))	1771	if (op->destroyed ())
1988	return 1;	1772	return 1;
1989		1773
1990	/* what the person/creature stepped onto has moved the object	1774	/* what the person/creature stepped onto has moved the object
1991	* someplace new. Don't process any further - if we did,	1775	* someplace new. Don't process any further - if we did,
1992	* have a feeling strange problems would result.	1776	* have a feeling strange problems would result.
…		…
2002	/*	1786	/*
2003	* present_arch(arch, map, x, y) searches for any objects with	1787	* present_arch(arch, map, x, y) searches for any objects with
2004	* a matching archetype at the given map and coordinates.	1788	* a matching archetype at the given map and coordinates.
2005	* The first matching object is returned, or NULL if none.	1789	* The first matching object is returned, or NULL if none.
2006	*/	1790	*/
2007
2008	object *	1791	object *
2009	present_arch (const archetype *at, mapstruct *m, int x, int y)	1792	present_arch (const archetype *at, maptile *m, int x, int y)
2010	{	1793	{
2011	object *
2012	tmp;
2013
2014	if (m == NULL || out_of_map (m, x, y))	1794	if (!m || out_of_map (m, x, y))
2015	{	1795	{
2016	LOG (llevError, "Present_arch called outside map.\n");	1796	LOG (llevError, "Present_arch called outside map.\n");
2017	return NULL;	1797	return NULL;
2018	}	1798	}
2019	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1799
		1800	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2020	if (tmp->arch == at)	1801	if (tmp->arch == at)
2021	return tmp;	1802	return tmp;
		1803
2022	return NULL;	1804	return NULL;
2023	}	1805	}
2024		1806
2025	/*	1807	/*
2026	* present(type, map, x, y) searches for any objects with	1808	* present(type, map, x, y) searches for any objects with
2027	* a matching type variable at the given map and coordinates.	1809	* a matching type variable at the given map and coordinates.
2028	* The first matching object is returned, or NULL if none.	1810	* The first matching object is returned, or NULL if none.
2029	*/	1811	*/
2030
2031	object *	1812	object *
2032	present (unsigned char type, mapstruct *m, int x, int y)	1813	present (unsigned char type, maptile *m, int x, int y)
2033	{	1814	{
2034	object *
2035	tmp;
2036
2037	if (out_of_map (m, x, y))	1815	if (out_of_map (m, x, y))
2038	{	1816	{
2039	LOG (llevError, "Present called outside map.\n");	1817	LOG (llevError, "Present called outside map.\n");
2040	return NULL;	1818	return NULL;
2041	}	1819	}
2042	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1820
		1821	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2043	if (tmp->type == type)	1822	if (tmp->type == type)
2044	return tmp;	1823	return tmp;
		1824
2045	return NULL;	1825	return NULL;
2046	}	1826	}
2047		1827
2048	/*	1828	/*
2049	* present_in_ob(type, object) searches for any objects with	1829	* present_in_ob(type, object) searches for any objects with
2050	* a matching type variable in the inventory of the given object.	1830	* a matching type variable in the inventory of the given object.
2051	* The first matching object is returned, or NULL if none.	1831	* The first matching object is returned, or NULL if none.
2052	*/	1832	*/
2053
2054	object *	1833	object *
2055	present_in_ob (unsigned char type, const object *op)	1834	present_in_ob (unsigned char type, const object *op)
2056	{	1835	{
2057	object *
2058	tmp;
2059
2060	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1836	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2061	if (tmp->type == type)	1837	if (tmp->type == type)
2062	return tmp;	1838	return tmp;
		1839
2063	return NULL;	1840	return NULL;
2064	}	1841	}
2065		1842
2066	/*	1843	/*
2067	* present_in_ob (type, str, object) searches for any objects with	1844	* present_in_ob (type, str, object) searches for any objects with
…		…
2075	* str is the string to match against. Note that we match against	1852	* str is the string to match against. Note that we match against
2076	* the object name, not the archetype name. this is so that the	1853	* the object name, not the archetype name. this is so that the
2077	* spell code can use one object type (force), but change it's name	1854	* spell code can use one object type (force), but change it's name
2078	* to be unique.	1855	* to be unique.
2079	*/	1856	*/
2080
2081	object *	1857	object *
2082	present_in_ob_by_name (int type, const char *str, const object *op)	1858	present_in_ob_by_name (int type, const char *str, const object *op)
2083	{	1859	{
2084	object *
2085	tmp;
2086
2087	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1860	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2088	{
2089	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1861	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2090	return tmp;	1862	return tmp;
2091	}	1863
2092	return NULL;	1864	return 0;
2093	}	1865	}
2094		1866
2095	/*	1867	/*
2096	* present_arch_in_ob(archetype, object) searches for any objects with	1868	* present_arch_in_ob(archetype, object) searches for any objects with
2097	* a matching archetype in the inventory of the given object.	1869	* a matching archetype in the inventory of the given object.
2098	* The first matching object is returned, or NULL if none.	1870	* The first matching object is returned, or NULL if none.
2099	*/	1871	*/
2100
2101	object *	1872	object *
2102	present_arch_in_ob (const archetype *at, const object *op)	1873	present_arch_in_ob (const archetype *at, const object *op)
2103	{	1874	{
2104	object *
2105	tmp;
2106
2107	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1875	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2108	if (tmp->arch == at)	1876	if (tmp->arch == at)
2109	return tmp;	1877	return tmp;
		1878
2110	return NULL;	1879	return NULL;
2111	}	1880	}
2112		1881
2113	/*	1882	/*
2114	* activate recursively a flag on an object inventory	1883	* activate recursively a flag on an object inventory
2115	*/	1884	*/
2116	void	1885	void
2117	flag_inv (object *op, int flag)	1886	flag_inv (object *op, int flag)
2118	{	1887	{
2119	object *
2120	tmp;
2121
2122	if (op->inv)	1888	if (op->inv)
2123	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1889	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2124	{	1890	{
2125	SET_FLAG (tmp, flag);	1891	SET_FLAG (tmp, flag);
2126	flag_inv (tmp, flag);	1892	flag_inv (tmp, flag);
2127	}	1893	}
2128	} /*	1894	}
		1895
		1896	/*
2129	* desactivate recursively a flag on an object inventory	1897	* deactivate recursively a flag on an object inventory
2130	*/	1898	*/
2131	void	1899	void
2132	unflag_inv (object *op, int flag)	1900	unflag_inv (object *op, int flag)
2133	{	1901	{
2134	object *
2135	tmp;
2136
2137	if (op->inv)	1902	if (op->inv)
2138	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1903	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2139	{	1904	{
2140	CLEAR_FLAG (tmp, flag);	1905	CLEAR_FLAG (tmp, flag);
2141	unflag_inv (tmp, flag);	1906	unflag_inv (tmp, flag);
2142	}	1907	}
2143	}	1908	}
…		…
2146	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in	1911	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2147	* all it's inventory (recursively).	1912	* all it's inventory (recursively).
2148	* If checksums are used, a player will get set_cheat called for	1913	* If checksums are used, a player will get set_cheat called for
2149	* him/her-self and all object carried by a call to this function.	1914	* him/her-self and all object carried by a call to this function.
2150	*/	1915	*/
2151
2152	void	1916	void
2153	set_cheat (object *op)	1917	set_cheat (object *op)
2154	{	1918	{
2155	SET_FLAG (op, FLAG_WAS_WIZ);	1919	SET_FLAG (op, FLAG_WAS_WIZ);
2156	flag_inv (op, FLAG_WAS_WIZ);	1920	flag_inv (op, FLAG_WAS_WIZ);
…		…
2175	* because arch_blocked (now ob_blocked) needs to know the movement type	1939	* because arch_blocked (now ob_blocked) needs to know the movement type
2176	* to know if the space in question will block the object. We can't use	1940	* to know if the space in question will block the object. We can't use
2177	* the archetype because that isn't correct if the monster has been	1941	* the archetype because that isn't correct if the monster has been
2178	* customized, changed states, etc.	1942	* customized, changed states, etc.
2179	*/	1943	*/
2180
2181	int	1944	int
2182	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	1945	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2183	{	1946	{
2184	int
2185	i,
2186	index = 0, flag;	1947	int index = 0, flag;
2187	static int
2188	altern[SIZEOFFREE];	1948	int altern[SIZEOFFREE];
2189		1949
2190	for (i = start; i < stop; i++)	1950	for (int i = start; i < stop; i++)
2191	{	1951	{
2192	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1952	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2193	if (!flag)	1953	if (!flag)
2194	altern[index++] = i;	1954	altern [index++] = i;
2195		1955
2196	/* Basically, if we find a wall on a space, we cut down the search size.	1956	/* Basically, if we find a wall on a space, we cut down the search size.
2197	* In this way, we won't return spaces that are on another side of a wall.	1957	* In this way, we won't return spaces that are on another side of a wall.
2198	* This mostly work, but it cuts down the search size in all directions -	1958	* This mostly work, but it cuts down the search size in all directions -
2199	* if the space being examined only has a wall to the north and empty	1959	* if the space being examined only has a wall to the north and empty
2200	* spaces in all the other directions, this will reduce the search space	1960	* spaces in all the other directions, this will reduce the search space
2201	* to only the spaces immediately surrounding the target area, and	1961	* to only the spaces immediately surrounding the target area, and
2202	* won't look 2 spaces south of the target space.	1962	* won't look 2 spaces south of the target space.
2203	*/	1963	*/
2204	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	1964	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2205	stop = maxfree[i];	1965	stop = maxfree[i];
2206	}	1966	}
		1967
2207	if (!index)	1968	if (!index)
2208	return -1;	1969	return -1;
		1970
2209	return altern[RANDOM () % index];	1971	return altern[RANDOM () % index];
2210	}	1972	}
2211		1973
2212	/*	1974	/*
2213	* find_first_free_spot(archetype, mapstruct, x, y) works like	1975	* find_first_free_spot(archetype, maptile, x, y) works like
2214	* find_free_spot(), but it will search max number of squares.	1976	* find_free_spot(), but it will search max number of squares.
2215	* But it will return the first available spot, not a random choice.	1977	* But it will return the first available spot, not a random choice.
2216	* Changed 0.93.2: Have it return -1 if there is no free spot available.	1978	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2217	*/	1979	*/
2218
2219	int	1980	int
2220	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	1981	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2221	{	1982	{
2222	int
2223	i;
2224
2225	for (i = 0; i < SIZEOFFREE; i++)	1983	for (int i = 0; i < SIZEOFFREE; i++)
2226	{
2227	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	1984	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2228	return i;	1985	return i;
2229	}	1986
2230	return -1;	1987	return -1;
2231	}	1988	}
2232		1989
2233	/*	1990	/*
2234	* The function permute(arr, begin, end) randomly reorders the array	1991	* The function permute(arr, begin, end) randomly reorders the array
2235	* arr[begin..end-1].	1992	* arr[begin..end-1].
		1993	* now uses a fisher-yates shuffle, old permute was broken
2236	*/	1994	*/
2237	static void	1995	static void
2238	permute (int *arr, int begin, int end)	1996	permute (int *arr, int begin, int end)
2239	{	1997	{
2240	int	1998	arr += begin;
2241	i,
2242	j,
2243	tmp,
2244	len;
2245
2246	len = end - begin;	1999	end -= begin;
2247	for (i = begin; i < end; i++)
2248	{
2249	j = begin + RANDOM () % len;
2250		2000
2251	tmp = arr[i];	2001	while (--end)
2252	arr[i] = arr[j];	2002	swap (arr [end], arr [RANDOM () % (end + 1)]);
2253	arr[j] = tmp;
2254	}
2255	}	2003	}
2256		2004
2257	/* new function to make monster searching more efficient, and effective!	2005	/* new function to make monster searching more efficient, and effective!
2258	* This basically returns a randomized array (in the passed pointer) of	2006	* This basically returns a randomized array (in the passed pointer) of
2259	* the spaces to find monsters. In this way, it won't always look for	2007	* the spaces to find monsters. In this way, it won't always look for
…		…
2262	* the 3x3 area will be searched, just not in a predictable order.	2010	* the 3x3 area will be searched, just not in a predictable order.
2263	*/	2011	*/
2264	void	2012	void
2265	get_search_arr (int *search_arr)	2013	get_search_arr (int *search_arr)
2266	{	2014	{
2267	int	2015	int i;
2268	i;
2269		2016
2270	for (i = 0; i < SIZEOFFREE; i++)	2017	for (i = 0; i < SIZEOFFREE; i++)
2271	{
2272	search_arr[i] = i;	2018	search_arr[i] = i;
2273	}
2274		2019
2275	permute (search_arr, 1, SIZEOFFREE1 + 1);	2020	permute (search_arr, 1, SIZEOFFREE1 + 1);
2276	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2021	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2277	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2022	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2278	}	2023	}
…		…
2287	* Perhaps incorrectly, but I'm making the assumption that exclude	2032	* Perhaps incorrectly, but I'm making the assumption that exclude
2288	* is actually want is going to try and move there. We need this info	2033	* is actually want is going to try and move there. We need this info
2289	* because we have to know what movement the thing looking to move	2034	* because we have to know what movement the thing looking to move
2290	* there is capable of.	2035	* there is capable of.
2291	*/	2036	*/
2292
2293	int	2037	int
2294	find_dir (mapstruct *m, int x, int y, object *exclude)	2038	find_dir (maptile *m, int x, int y, object *exclude)
2295	{	2039	{
2296	int
2297	i,
2298	max = SIZEOFFREE, mflags;	2040	int i, max = SIZEOFFREE, mflags;
2299		2041
2300	sint16 nx, ny;	2042	sint16 nx, ny;
2301	object *	2043	object *tmp;
2302	tmp;	2044	maptile *mp;
2303	mapstruct *
2304	mp;
2305		2045
2306	MoveType blocked, move_type;	2046	MoveType blocked, move_type;
2307		2047
2308	if (exclude && exclude->head)	2048	if (exclude && exclude->head)
2309	{	2049	{
…		…
2321	mp = m;	2061	mp = m;
2322	nx = x + freearr_x[i];	2062	nx = x + freearr_x[i];
2323	ny = y + freearr_y[i];	2063	ny = y + freearr_y[i];
2324		2064
2325	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2065	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2066
2326	if (mflags & P_OUT_OF_MAP)	2067	if (mflags & P_OUT_OF_MAP)
2327	{
2328	max = maxfree[i];	2068	max = maxfree[i];
2329	}
2330	else	2069	else
2331	{	2070	{
2332	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2071	mapspace &ms = mp->at (nx, ny);
		2072
		2073	blocked = ms.move_block;
2333		2074
2334	if ((move_type & blocked) == move_type)	2075	if ((move_type & blocked) == move_type)
2335	{
2336	max = maxfree[i];	2076	max = maxfree[i];
2337	}
2338	else if (mflags & P_IS_ALIVE)	2077	else if (mflags & P_IS_ALIVE)
2339	{	2078	{
2340	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2079	for (tmp = ms.bot; tmp; tmp = tmp->above)
2341	{	2080	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2342	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2081	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))
2343	{
2344	break;	2082	break;
2345	}	2083
2346	}
2347	if (tmp)	2084	if (tmp)
2348	{
2349	return freedir[i];	2085	return freedir[i];
2350	}
2351	}	2086	}
2352	}	2087	}
2353	}	2088	}
		2089
2354	return 0;	2090	return 0;
2355	}	2091	}
2356		2092
2357	/*	2093	/*
2358	* distance(object 1, object 2) will return the square of the	2094	* distance(object 1, object 2) will return the square of the
2359	* distance between the two given objects.	2095	* distance between the two given objects.
2360	*/	2096	*/
2361
2362	int	2097	int
2363	distance (const object *ob1, const object *ob2)	2098	distance (const object *ob1, const object *ob2)
2364	{	2099	{
2365	int
2366	i;
2367
2368	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2100	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2369	return i;
2370	}	2101	}
2371		2102
2372	/*	2103	/*
2373	* find_dir_2(delta-x,delta-y) will return a direction in which	2104	* find_dir_2(delta-x,delta-y) will return a direction in which
2374	* an object which has subtracted the x and y coordinates of another	2105	* an object which has subtracted the x and y coordinates of another
2375	* object, needs to travel toward it.	2106	* object, needs to travel toward it.
2376	*/	2107	*/
2377
2378	int	2108	int
2379	find_dir_2 (int x, int y)	2109	find_dir_2 (int x, int y)
2380	{	2110	{
2381	int	2111	int q;
2382	q;
2383		2112
2384	if (y)	2113	if (y)
2385	q = x * 100 / y;	2114	q = x * 100 / y;
2386	else if (x)	2115	else if (x)
2387	q = -300 * x;	2116	q = -300 * x;
…		…
2412		2141
2413	return 3;	2142	return 3;
2414	}	2143	}
2415		2144
2416	/*	2145	/*
2417	* absdir(int): Returns a number between 1 and 8, which represent
2418	* the "absolute" direction of a number (it actually takes care of
2419	* "overflow" in previous calculations of a direction).
2420	*/
2421
2422	int
2423	absdir (int d)
2424	{
2425	while (d < 1)
2426	d += 8;
2427	while (d > 8)
2428	d -= 8;
2429	return d;
2430	}
2431
2432	/*
2433	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2146	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2434	* between two directions (which are expected to be absolute (see absdir())	2147	* between two directions (which are expected to be absolute (see absdir())
2435	*/	2148	*/
2436
2437	int	2149	int
2438	dirdiff (int dir1, int dir2)	2150	dirdiff (int dir1, int dir2)
2439	{	2151	{
2440	int	2152	int d;
2441	d;
2442		2153
2443	d = abs (dir1 - dir2);	2154	d = abs (dir1 - dir2);
2444	if (d > 4)	2155	if (d > 4)
2445	d = 8 - d;	2156	d = 8 - d;
		2157
2446	return d;	2158	return d;
2447	}	2159	}
2448		2160
2449	/* peterm:	2161	/* peterm:
2450	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2162	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2453	* This basically means that if direction is 15, then it could either go	2165	* This basically means that if direction is 15, then it could either go
2454	* direction 4, 14, or 16 to get back to where we are.	2166	* direction 4, 14, or 16 to get back to where we are.
2455	* Moved from spell_util.c to object.c with the other related direction	2167	* Moved from spell_util.c to object.c with the other related direction
2456	* functions.	2168	* functions.
2457	*/	2169	*/
2458
2459	int
2460	reduction_dir[SIZEOFFREE][3] = {	2170	int reduction_dir[SIZEOFFREE][3] = {
2461	{0, 0, 0}, /* 0 */	2171	{0, 0, 0}, /* 0 */
2462	{0, 0, 0}, /* 1 */	2172	{0, 0, 0}, /* 1 */
2463	{0, 0, 0}, /* 2 */	2173	{0, 0, 0}, /* 2 */
2464	{0, 0, 0}, /* 3 */	2174	{0, 0, 0}, /* 3 */
2465	{0, 0, 0}, /* 4 */	2175	{0, 0, 0}, /* 4 */
…		…
2513	* find a path to that monster that we found. If not,	2223	* find a path to that monster that we found. If not,
2514	* we don't bother going toward it. Returns 1 if we	2224	* we don't bother going toward it. Returns 1 if we
2515	* can see a direct way to get it	2225	* can see a direct way to get it
2516	* Modified to be map tile aware -.MSW	2226	* Modified to be map tile aware -.MSW
2517	*/	2227	*/
2518
2519
2520	int	2228	int
2521	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2229	can_see_monsterP (maptile *m, int x, int y, int dir)
2522	{	2230	{
2523	sint16 dx, dy;	2231	sint16 dx, dy;
2524	int
2525	mflags;	2232	int mflags;
2526		2233
2527	if (dir < 0)	2234	if (dir < 0)
2528	return 0; /* exit condition: invalid direction */	2235	return 0; /* exit condition: invalid direction */
2529		2236
2530	dx = x + freearr_x[dir];	2237	dx = x + freearr_x[dir];
…		…
2543	return 0;	2250	return 0;
2544		2251
2545	/* yes, can see. */	2252	/* yes, can see. */
2546	if (dir < 9)	2253	if (dir < 9)
2547	return 1;	2254	return 1;
		2255
2548	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2256	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2549	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2257	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2258	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2550	}	2259	}
2551
2552
2553		2260
2554	/*	2261	/*
2555	* can_pick(picker, item): finds out if an object is possible to be	2262	* can_pick(picker, item): finds out if an object is possible to be
2556	* picked up by the picker. Returnes 1 if it can be	2263	* picked up by the picker. Returnes 1 if it can be
2557	* picked up, otherwise 0.	2264	* picked up, otherwise 0.
…		…
2568	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2275	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2569	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2276	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2570	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2277	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2571	}	2278	}
2572		2279
2573
2574	/*	2280	/*
2575	* create clone from object to another	2281	* create clone from object to another
2576	*/	2282	*/
2577	object *	2283	object *
2578	object_create_clone (object *asrc)	2284	object_create_clone (object *asrc)
2579	{	2285	{
2580	object *
2581	dst = NULL, *tmp, *src, *part, *prev, *item;	2286	object *dst = 0, *tmp, *src, *part, *prev, *item;
2582		2287
2583	if (!asrc)	2288	if (!asrc)
2584	return NULL;	2289	return 0;
		2290
2585	src = asrc;	2291	src = asrc;
2586	if (src->head)	2292	if (src->head)
2587	src = src->head;	2293	src = src->head;
2588		2294
2589	prev = NULL;	2295	prev = 0;
2590	for (part = src; part; part = part->more)	2296	for (part = src; part; part = part->more)
2591	{	2297	{
2592	tmp = get_object ();	2298	tmp = part->clone ();
2593	copy_object (part, tmp);
2594	tmp->x -= src->x;	2299	tmp->x -= src->x;
2595	tmp->y -= src->y;	2300	tmp->y -= src->y;
		2301
2596	if (!part->head)	2302	if (!part->head)
2597	{	2303	{
2598	dst = tmp;	2304	dst = tmp;
2599	tmp->head = NULL;	2305	tmp->head = 0;
2600	}	2306	}
2601	else	2307	else
2602	{
2603	tmp->head = dst;	2308	tmp->head = dst;
2604	}	2309
2605	tmp->more = NULL;	2310	tmp->more = 0;
		2311
2606	if (prev)	2312	if (prev)
2607	prev->more = tmp;	2313	prev->more = tmp;
		2314
2608	prev = tmp;	2315	prev = tmp;
2609	}	2316	}
2610		2317
2611	/*** copy inventory ***/
2612	for (item = src->inv; item; item = item->below)	2318	for (item = src->inv; item; item = item->below)
2613	{
2614	(void) insert_ob_in_ob (object_create_clone (item), dst);	2319	insert_ob_in_ob (object_create_clone (item), dst);
2615	}
2616		2320
2617	return dst;	2321	return dst;
2618	}	2322	}
2619		2323
2620	/* return true if the object was destroyed, 0 otherwise */
2621	int
2622	was_destroyed (const object *op, tag_t old_tag)
2623	{
2624	/* checking for FLAG_FREED isn't necessary, but makes this function more
2625	* robust */
2626	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2627	}
2628
2629	/* GROS - Creates an object using a string representing its content. */	2324	/* GROS - Creates an object using a string representing its content. */
2630
2631	/* Basically, we save the content of the string to a temp file, then call */	2325	/* Basically, we save the content of the string to a temp file, then call */
2632
2633	/* load_object on it. I admit it is a highly inefficient way to make things, */	2326	/* load_object on it. I admit it is a highly inefficient way to make things, */
2634
2635	/* but it was simple to make and allows reusing the load_object function. */	2327	/* but it was simple to make and allows reusing the load_object function. */
2636
2637	/* Remember not to use load_object_str in a time-critical situation. */	2328	/* Remember not to use load_object_str in a time-critical situation. */
2638
2639	/* Also remember that multiparts objects are not supported for now. */	2329	/* Also remember that multiparts objects are not supported for now. */
2640
2641	object *	2330	object *
2642	load_object_str (const char *obstr)	2331	load_object_str (const char *obstr)
2643	{	2332	{
2644	object *	2333	object *op;
2645	op;
2646	char
2647	filename[MAX_BUF];	2334	char filename[MAX_BUF];
2648		2335
2649	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);	2336	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2650		2337
2651	FILE *
2652	tempfile = fopen (filename, "w");	2338	FILE *tempfile = fopen (filename, "w");
2653		2339
2654	if (tempfile == NULL)	2340	if (tempfile == NULL)
2655	{	2341	{
2656	LOG (llevError, "Error - Unable to access load object temp file\n");	2342	LOG (llevError, "Error - Unable to access load object temp file\n");
2657	return NULL;	2343	return NULL;
2658	};	2344	}
		2345
2659	fprintf (tempfile, obstr);	2346	fprintf (tempfile, obstr);
2660	fclose (tempfile);	2347	fclose (tempfile);
2661		2348
2662	op = get_object ();	2349	op = object::create ();
2663		2350
2664	object_thawer thawer (filename);	2351	object_thawer thawer (filename);
2665		2352
2666	if (thawer)	2353	if (thawer)
2667	load_object (thawer, op, 0);	2354	load_object (thawer, op, 0);
…		…
2677	* returns NULL if no match.	2364	* returns NULL if no match.
2678	*/	2365	*/
2679	object *	2366	object *
2680	find_obj_by_type_subtype (const object *who, int type, int subtype)	2367	find_obj_by_type_subtype (const object *who, int type, int subtype)
2681	{	2368	{
2682	object *
2683	tmp;
2684
2685	for (tmp = who->inv; tmp; tmp = tmp->below)	2369	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2686	if (tmp->type == type && tmp->subtype == subtype)	2370	if (tmp->type == type && tmp->subtype == subtype)
2687	return tmp;	2371	return tmp;
2688		2372
2689	return NULL;	2373	return 0;
2690	}	2374	}
2691		2375
2692	/* If ob has a field named key, return the link from the list,	2376	/* If ob has a field named key, return the link from the list,
2693	* otherwise return NULL.	2377	* otherwise return NULL.
2694	*	2378	*
…		…
2696	* do the desired thing.	2380	* do the desired thing.
2697	*/	2381	*/
2698	key_value *	2382	key_value *
2699	get_ob_key_link (const object *ob, const char *key)	2383	get_ob_key_link (const object *ob, const char *key)
2700	{	2384	{
2701	key_value *
2702	link;
2703
2704	for (link = ob->key_values; link != NULL; link = link->next)	2385	for (key_value *link = ob->key_values; link; link = link->next)
2705	{
2706	if (link->key == key)	2386	if (link->key == key)
2707	{
2708	return link;	2387	return link;
2709	}
2710	}
2711		2388
2712	return NULL;	2389	return 0;
2713	}	2390	}
2714		2391
2715	/*	2392	/*
2716	* Returns the value of op has an extra_field for key, or NULL.	2393	* Returns the value of op has an extra_field for key, or NULL.
2717	*	2394	*
…		…
2757	* Returns TRUE on success.	2434	* Returns TRUE on success.
2758	*/	2435	*/
2759	int	2436	int
2760	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2437	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2761	{	2438	{
2762	key_value *
2763	field = NULL, *last = NULL;	2439	key_value *field = NULL, *last = NULL;
2764		2440
2765	for (field = op->key_values; field != NULL; field = field->next)	2441	for (field = op->key_values; field != NULL; field = field->next)
2766	{	2442	{
2767	if (field->key != canonical_key)	2443	if (field->key != canonical_key)
2768	{	2444	{
…		…
2796	/* IF we get here, key doesn't exist */	2472	/* IF we get here, key doesn't exist */
2797		2473
2798	/* No field, we'll have to add it. */	2474	/* No field, we'll have to add it. */
2799		2475
2800	if (!add_key)	2476	if (!add_key)
2801	{
2802	return FALSE;	2477	return FALSE;
2803	}	2478
2804	/* There isn't any good reason to store a null	2479	/* There isn't any good reason to store a null
2805	* value in the key/value list. If the archetype has	2480	* value in the key/value list. If the archetype has
2806	* this key, then we should also have it, so shouldn't	2481	* this key, then we should also have it, so shouldn't
2807	* be here. If user wants to store empty strings,	2482	* be here. If user wants to store empty strings,
2808	* should pass in ""	2483	* should pass in ""
…		…
2857	}	2532	}
2858	else	2533	else
2859	item = item->env;	2534	item = item->env;
2860	}	2535	}
2861		2536
		2537
		2538	const char *
		2539	object::flag_desc (char *desc, int len) const
		2540	{
		2541	char *p = desc;
		2542	bool first = true;
		2543
		2544	*p = 0;
		2545
		2546	for (int i = 0; i < NUM_FLAGS; i++)
		2547	{
		2548	if (len <= 10) // magic constant!
		2549	{
		2550	snprintf (p, len, ",...");
		2551	break;
		2552	}
		2553
		2554	if (flag [i])
		2555	{
		2556	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2557	len -= cnt;
		2558	p += cnt;
		2559	first = false;
		2560	}
		2561	}
		2562
		2563	return desc;
		2564	}
		2565
		2566	// return a suitable string describing an object in enough detail to find it
		2567	const char *
		2568	object::debug_desc (char *info) const
		2569	{
		2570	char flagdesc[512];
		2571	char info2[256 * 4];
		2572	char *p = info;
		2573
		2574	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
		2575	count, uuid.seq,
		2576	&name,
		2577	title ? "\",title:\"" : "",
		2578	title ? (const char *)title : "",
		2579	flag_desc (flagdesc, 512), type);
		2580
		2581	if (env)
		2582	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2583
		2584	if (map)
		2585	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
		2586
		2587	return info;
		2588	}
		2589
		2590	const char *
		2591	object::debug_desc () const
		2592	{
		2593	static char info[256 * 4];
		2594	return debug_desc (info);
		2595	}
		2596
		2597	const char *
		2598	object::debug_desc2 () const
		2599	{
		2600	static char info[256 * 4];
		2601	return debug_desc (info);
		2602	}
		2603

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