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Comparing deliantra/server/common/object.C (file contents):
Revision 1.11 by root, Sun Sep 3 00:18:40 2006 UTC vs.
Revision 1.82 by root, Mon Dec 25 11:25:49 2006 UTC

1	/*
2	* static char *rcsid_object_c =
3	* "$Id: object.C,v 1.11 2006/09/03 00:18:40 root Exp $";
4	*/
5
6	/*	1	/*
7	CrossFire, A Multiplayer game for X-windows	2	CrossFire, A Multiplayer game for X-windows
8		3
9	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team
10	Copyright (C) 1992 Frank Tore Johansen	5	Copyright (C) 1992 Frank Tore Johansen
…		…
21		16
22	You should have received a copy of the GNU General Public License	17	You should have received a copy of the GNU General Public License
23	along with this program; if not, write to the Free Software	18	along with this program; if not, write to the Free Software
24	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25		20
26	The authors can be reached via e-mail at crossfire-devel@real-time.com	21	The authors can be reached via e-mail at <crossfire@schmorp.de>
27	*/	22	*/
28		23
29	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
30	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
31	variable. */	26	variable. */
32	#include <global.h>	27	#include <global.h>
33	#ifndef WIN32 /* ---win32 exclude headers */
34	#include <stdio.h>	28	#include <stdio.h>
35	#include <sys/types.h>	29	#include <sys/types.h>
36	#include <sys/uio.h>	30	#include <sys/uio.h>
37	#endif /* win32 */
38	#include <object.h>	31	#include <object.h>
39	#include <funcpoint.h>	32	#include <funcpoint.h>
40	#include <skills.h>
41	#include <loader.h>	33	#include <loader.h>
42	#ifdef MEMORY_DEBUG	34
43	int nroffreeobjects = 0;	35	#include <bitset>
		36
44	int nrofallocobjects = 0;	37	int nrofallocobjects = 0;
45	#undef OBJ_EXPAND	38	static UUID uuid;
46	#define OBJ_EXPAND 1	39	const uint64 UUID_SKIP = 1<<19;
47	#else
48	object objarray[STARTMAX]; /* All objects, allocated this way at first */
49	int nroffreeobjects = STARTMAX; /* How many OBs allocated and free (free) */
50	int nrofallocobjects = STARTMAX; /* How many OBs allocated (free + used) */
51	#endif
52		40
53	object *objects; /* Pointer to the list of used objects */
54	object *free_objects; /* Pointer to the list of unused objects */
55	object *active_objects; /* List of active objects that need to be processed */	41	object *active_objects; /* List of active objects that need to be processed */
56		42
57	short freearr_x[SIZEOFFREE]=	43	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
58	{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,
59	0,1,2,3,3,3,3,3,3,3,2,1,0,-1,-2,-3,-3,-3,-3,-3,-3,-3,-2,-1};	44	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
60	short freearr_y[SIZEOFFREE]=	45	};
61	{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,	46	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,
62	-3,-3,-3,-3,-2,-1,0,1,2,3,3,3,3,3,3,3,2,1,0,-1,-2,-3,-3,-3};	47	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
63	int maxfree[SIZEOFFREE]=	48	};
64	{0,9,10,13,14,17,18,21,22,25,26,27,30,31,32,33,36,37,39,39,42,43,44,45,	49	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,
65	48,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49};	50	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		51	};
66	int freedir[SIZEOFFREE]= {	52	int freedir[SIZEOFFREE] = {
67	0,1,2,3,4,5,6,7,8,1,2,2,2,3,4,4,4,5,6,6,6,7,8,8,8,	53	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
68	1,2,2,2,2,2,3,4,4,4,4,4,5,6,6,6,6,6,7,8,8,8,8,8};	54	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
		55	};
69		56
		57	static void
		58	write_uuid (void)
		59	{
		60	char filename1[MAX_BUF], filename2[MAX_BUF];
		61
		62	sprintf (filename1, "%s/uuid", settings.localdir);
		63	sprintf (filename2, "%s/uuid~", settings.localdir);
		64
		65	FILE *fp;
		66
		67	if (!(fp = fopen (filename2, "w")))
		68	{
		69	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
		70	return;
		71	}
		72
		73	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
		74	fclose (fp);
		75	rename (filename2, filename1);
		76	}
		77
		78	static void
		79	read_uuid (void)
		80	{
		81	char filename[MAX_BUF];
		82
		83	sprintf (filename, "%s/uuid", settings.localdir);
		84
		85	FILE *fp;
		86
		87	if (!(fp = fopen (filename, "r")))
		88	{
		89	if (errno == ENOENT)
		90	{
		91	LOG (llevInfo, "RESET uid to 1\n");
		92	uuid.seq = 0;
		93	write_uuid ();
		94	return;
		95	}
		96
		97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
		98	_exit (1);
		99	}
		100
		101	int version;
		102	unsigned long long uid;
		103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)
		104	{
		105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);
		106	_exit (1);
		107	}
		108
		109	uuid.seq = uid;
		110	write_uuid ();
		111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
		112	fclose (fp);
		113	}
		114
		115	UUID
		116	gen_uuid ()
		117	{
		118	UUID uid;
		119
		120	uid.seq = ++uuid.seq;
		121
		122	if (!(uuid.seq & (UUID_SKIP - 1)))
		123	write_uuid ();
		124
		125	return uid;
		126	}
		127
		128	void
		129	init_uuid ()
		130	{
		131	read_uuid ();
		132	}
70		133
71	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
		135	static int
72	static int compare_ob_value_lists_one(const object * wants, const object * has) {	136	compare_ob_value_lists_one (const object *wants, const object *has)
		137	{
73	key_value * wants_field;	138	key_value *wants_field;
74		139
75	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	140	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both
76	* objects with lists are rare, and lists stay short. If not, use a	141	* objects with lists are rare, and lists stay short. If not, use a
77	* different structure or at least keep the lists sorted...	142	* different structure or at least keep the lists sorted...
78	*/	143	*/
79		144
80	/* For each field in wants, */	145	/* For each field in wants, */
81	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next) {	146	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)
		147	{
82	key_value * has_field;	148	key_value *has_field;
83		149
84	/* Look for a field in has with the same key. */	150	/* Look for a field in has with the same key. */
85	has_field = get_ob_key_link(has, wants_field->key);	151	has_field = get_ob_key_link (has, wants_field->key);
		152
		153	if (has_field == NULL)
86		154	{
87	if (has_field == NULL) {
88	/* No field with that name. */	155	/* No field with that name. */
89	return FALSE;	156	return FALSE;
90	}	157	}
91		158
92	/* Found the matching field. */	159	/* Found the matching field. */
93	if (has_field->value != wants_field->value) {	160	if (has_field->value != wants_field->value)
		161	{
94	/* Values don't match, so this half of the comparison is false. */	162	/* Values don't match, so this half of the comparison is false. */
95	return FALSE;	163	return FALSE;
96	}	164	}
97		165
98	/* If we get here, we found a match. Now for the next field in wants. */	166	/* If we get here, we found a match. Now for the next field in wants. */
99	}
100		167	}
		168
101	/* If we get here, every field in wants has a matching field in has. */	169	/* If we get here, every field in wants has a matching field in has. */
102	return TRUE;	170	return TRUE;
103	}	171	}
104		172
105	/* Returns TRUE if ob1 has the same key_values as ob2. */	173	/* Returns TRUE if ob1 has the same key_values as ob2. */
		174	static int
106	static int compare_ob_value_lists(const object * ob1, const object * ob2) {	175	compare_ob_value_lists (const object *ob1, const object *ob2)
		176	{
107	/* However, there may be fields in has which aren't partnered in wants,	177	/* However, there may be fields in has which aren't partnered in wants,
108	* so we need to run the comparison *twice*. :(	178	* so we need to run the comparison *twice*. :(
109	*/	179	*/
110	return compare_ob_value_lists_one(ob1, ob2) && compare_ob_value_lists_one(ob2, ob1);	180	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);
111	}	181	}
112		182
113	/* Function examines the 2 objects given to it, and returns true if	183	/* Function examines the 2 objects given to it, and returns true if
114	* they can be merged together.	184	* they can be merged together.
115	*	185	*
116	* Note that this function appears a lot longer than the macro it	186	* Note that this function appears a lot longer than the macro it
117	* replaces - this is mostly for clarity - a decent compiler should hopefully	187	* replaces - this is mostly for clarity - a decent compiler should hopefully
118	* reduce this to the same efficiency.	188	* reduce this to the same efficiency.
119	*	189	*
120	* Check nrof variable *before* calling CAN_MERGE()	190	* Check nrof variable *before* calling can_merge()
121	*	191	*
122	* Improvements made with merge: Better checking on potion, and also	192	* Improvements made with merge: Better checking on potion, and also
123	* check weight	193	* check weight
124	*/	194	*/
125		195
126	int CAN_MERGE(object *ob1, object *ob2) {	196	bool object::can_merge_slow (object *ob1, object *ob2)
127		197	{
128	/* A couple quicksanity checks */	198	/* A couple quicksanity checks */
129	if ((ob1 == ob2) || (ob1->type != ob2->type)) return 0;	199	if (ob1 == ob2
		200	|| ob1->type != ob2->type
		201	|| ob1->speed != ob2->speed
		202	|| ob1->value != ob2->value
		203	|| ob1->name != ob2->name)
		204	return 0;
130		205
131	if (ob1->speed != ob2->speed) return 0;	206	//TODO: this ain't working well, use nicer and correct overflow check
132	/* Note sure why the following is the case - either the object has to	207	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
133	* be animated or have a very low speed. Is this an attempted monster	208	* value could not be stored in a sint32 (which unfortunately sometimes is
134	* check?	209	* used to store nrof).
135	*/	210	*/
136	if (!QUERY_FLAG(ob1,FLAG_ANIMATE) && FABS((ob1)->speed) > MIN_ACTIVE_SPEED)	211	if (ob1->nrof + ob2->nrof >= 1UL << 31)
		212	return 0;
		213
		214	/* If the objects have been identified, set the BEEN_APPLIED flag.
		215	* This is to the comparison of the flags below will be OK. We
		216	* just can't ignore the been applied or identified flags, as they
		217	* are not equal - just if it has been identified, the been_applied
		218	* flags lose any meaning.
		219	*/
		220	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
		221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
		222
		223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
		224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
		225
		226	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
		227	|| ob1->arch != ob2->arch
		228	|| ob1->name != ob2->name
		229	|| ob1->title != ob2->title
		230	|| ob1->msg != ob2->msg
		231	|| ob1->weight != ob2->weight
		232	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		233	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
		234	|| ob1->attacktype != ob2->attacktype
		235	|| ob1->magic != ob2->magic
		236	|| ob1->slaying != ob2->slaying
		237	|| ob1->skill != ob2->skill
		238	|| ob1->value != ob2->value
		239	|| ob1->animation_id != ob2->animation_id
		240	|| ob1->client_type != ob2->client_type
		241	|| ob1->materialname != ob2->materialname
		242	|| ob1->lore != ob2->lore
		243	|| ob1->subtype != ob2->subtype
		244	|| ob1->move_type != ob2->move_type
		245	|| ob1->move_block != ob2->move_block
		246	|| ob1->move_allow != ob2->move_allow
		247	|| ob1->move_on != ob2->move_on
		248	|| ob1->move_off != ob2->move_off
		249	|| ob1->move_slow != ob2->move_slow
		250	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
		251	return 0;
		252
		253	/* This is really a spellbook check - really, we should
		254	* check all objects in the inventory.
		255	*/
		256	if (ob1->inv || ob2->inv)
		257	{
		258	/* if one object has inventory but the other doesn't, not equiv */
		259	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
137	return 0;	260	return 0;
138		261
139	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	262	/* Now check to see if the two inventory objects could merge */
140	* value could not be stored in a sint32 (which unfortunately sometimes is	263	if (!object::can_merge (ob1->inv, ob2->inv))
141	* used to store nrof).
142	*/
143	if (ob1->nrof+ob2->nrof >= 1UL<<31)
144	return 0;	264	return 0;
145		265
146	/* This is really a spellbook check - really, we should
147	* check all objects in the inventory.
148	*/
149	if (ob1->inv || ob2->inv) {
150	/* if one object has inventory but the other doesn't, not equiv */
151	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv)) return 0;
152
153	/* Now check to see if the two inventory objects could merge */
154	if (!CAN_MERGE(ob1->inv, ob2->inv)) return 0;
155
156	/* inventory ok - still need to check rest of this object to see	266	/* inventory ok - still need to check rest of this object to see
157	* if it is valid.	267	* if it is valid.
158	*/	268	*/
159	}	269	}
160		270
161	/* If the objects have been identified, set the BEEN_APPLIED flag.
162	* This is to the comparison of the flags below will be OK. We
163	* just can't ignore the been applied or identified flags, as they
164	* are not equal - just if it has been identified, the been_applied
165	* flags lose any meaning.
166	*/
167	if (QUERY_FLAG(ob1, FLAG_IDENTIFIED))
168	SET_FLAG(ob1, FLAG_BEEN_APPLIED);
169
170	if (QUERY_FLAG(ob2, FLAG_IDENTIFIED))
171	SET_FLAG(ob2, FLAG_BEEN_APPLIED);
172
173
174	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something
175	* being locked in inventory should prevent merging.
176	* 0x4 in flags3 is CLIENT_SENT
177	*/
178	if ((ob1->arch != ob2->arch) ||
179	(ob1->flags[0] != ob2->flags[0]) ||
180	(ob1->flags[1] != ob2->flags[1]) ||
181	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~ 0x400000)) ||
182	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
183	(ob1->name != ob2->name) ||
184	(ob1->title != ob2->title) ||
185	(ob1->msg != ob2->msg) ||
186	(ob1->weight != ob2->weight) ||
187	(memcmp(&ob1->resist, &ob2->resist, sizeof(ob1->resist))!=0) ||
188	(memcmp(&ob1->stats, &ob2->stats, sizeof(ob1->stats))!=0) ||
189	(ob1->attacktype != ob2->attacktype) ||
190	(ob1->magic != ob2->magic) ||
191	(ob1->slaying != ob2->slaying) ||
192	(ob1->skill != ob2->skill) ||
193	(ob1->value != ob2->value) ||
194	(ob1->animation_id != ob2->animation_id) ||
195	(ob1->client_type != ob2->client_type) ||
196	(ob1->materialname != ob2->materialname) ||
197	(ob1->lore != ob2->lore) ||
198	(ob1->subtype != ob2->subtype) ||
199	(ob1->move_type != ob2->move_type) ||
200	(ob1->move_block != ob2->move_block) ||
201	(ob1->move_allow != ob2->move_allow) ||
202	(ob1->move_on != ob2->move_on) ||
203	(ob1->move_off != ob2->move_off) ||
204	(ob1->move_slow != ob2->move_slow) ||
205	(ob1->move_slow_penalty != ob2->move_slow_penalty)
206	)
207	return 0;
208
209	/* Don't merge objects that are applied. With the new 'body' code,	271	/* Don't merge objects that are applied. With the new 'body' code,
210	* it is possible for most any character to have more than one of	272	* it is possible for most any character to have more than one of
211	* some items equipped, and we don't want those to merge.	273	* some items equipped, and we don't want those to merge.
212	*/	274	*/
213	if (QUERY_FLAG(ob1, FLAG_APPLIED) || QUERY_FLAG(ob2, FLAG_APPLIED))	275	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))
		276	return 0;
		277
		278	/* Note sure why the following is the case - either the object has to
		279	* be animated or have a very low speed. Is this an attempted monster
		280	* check?
		281	*/
		282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)
		283	return 0;
		284
		285	switch (ob1->type)
		286	{
		287	case SCROLL:
		288	if (ob1->level != ob2->level)
		289	return 0;
		290	break;
		291	}
		292
		293	if (ob1->key_values != NULL || ob2->key_values != NULL)
		294	{
		295	/* At least one of these has key_values. */
		296	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))
		297	/* One has fields, but the other one doesn't. */
214	return 0;	298	return 0;
215
216	switch (ob1->type) {
217	case SCROLL:
218	if (ob1->level != ob2->level) return 0;
219	break;
220
221	}
222	if (ob1->key_values != NULL || ob2->key_values != NULL) {
223	/* At least one of these has key_values. */
224	if ((ob1->key_values == NULL) != (ob2->key_values == NULL)) {
225	/* One has fields, but the other one doesn't. */
226	return 0;
227	} else if (!compare_ob_value_lists(ob1, ob2)) {	299	else if (!compare_ob_value_lists (ob1, ob2))
228	return 0;	300	return 0;
229	}	301	}
		302
		303	//TODO: generate an event or call into perl for additional checks
		304	if (ob1->self || ob2->self)
230	}	305	{
		306	ob1->optimise ();
		307	ob2->optimise ();
231		308
		309	if (ob1->self || ob2->self)
		310	return 0;
		311	}
		312
232	/* Everything passes, must be OK. */	313	/* Everything passes, must be OK. */
233	return 1;	314	return 1;
234	}	315	}
235		316
236	/*	317	/*
237	* sum_weight() is a recursive function which calculates the weight	318	* sum_weight() is a recursive function which calculates the weight
238	* an object is carrying. It goes through in figures out how much	319	* an object is carrying. It goes through in figures out how much
239	* containers are carrying, and sums it up.	320	* containers are carrying, and sums it up.
240	*/	321	*/
241	signed long sum_weight(object *op) {	322	long
		323	sum_weight (object *op)
		324	{
242	signed long sum;	325	long sum;
243	object *inv;	326	object *inv;
		327
244	for(sum = 0, inv = op->inv; inv != NULL; inv = inv->below) {	328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)
		329	{
245	if (inv->inv)	330	if (inv->inv)
246	sum_weight(inv);	331	sum_weight (inv);
247	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
248	}	333	}
		334
249	if (op->type == CONTAINER && op->stats.Str)	335	if (op->type == CONTAINER && op->stats.Str)
250	sum = (sum * (100 - op->stats.Str))/100;	336	sum = (sum * (100 - op->stats.Str)) / 100;
		337
251	if(op->carrying != sum)	338	if (op->carrying != sum)
252	op->carrying = sum;	339	op->carrying = sum;
		340
253	return sum;	341	return sum;
254	}	342	}
255		343
256	/**	344	/**
257	* Return the outermost environment object for a given object.	345	* Return the outermost environment object for a given object.
258	*/	346	*/
259		347
		348	object *
260	object *object_get_env_recursive (object *op) {	349	object_get_env_recursive (object *op)
		350	{
261	while (op->env != NULL)	351	while (op->env != NULL)
262	op = op->env;	352	op = op->env;
263	return op;	353	return op;
264	}
265
266	/*
267	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
268	* a better check. We basically keeping traversing up until we can't
269	* or find a player.
270	*/
271
272	object *is_player_inv (object *op) {
273	for (;op!=NULL&&op->type!=PLAYER; op=op->env)
274	if (op->env==op)
275	op->env = NULL;
276	return op;
277	}	354	}
278		355
279	/*	356	/*
280	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
281	* Some error messages.	358	* Some error messages.
282	* The result of the dump is stored in the static global errmsg array.	359	* The result of the dump is stored in the static global errmsg array.
283	*/	360	*/
284		361
285	void dump_object2(object *op) {	362	char *
286	errmsg[0] = 0;
287	return;
288	//TODO//D#d#
289	#if 0
290	char *cp;
291	/* object *tmp;*/
292
293	if(op->arch!=NULL) {
294	strcat(errmsg,"arch ");
295	strcat(errmsg,op->arch->name?op->arch->name:"(null)");
296	strcat(errmsg,"\n");
297	if((cp=get_ob_diff(op,&empty_archetype->clone))!=NULL)
298	strcat(errmsg,cp);
299	#if 0
300	/* Don't dump player diffs - they are too long, mostly meaningless, and
301	* will overflow the buffer.
302	* Changed so that we don't dump inventory either. This may
303	* also overflow the buffer.
304	*/
305	if(op->type!=PLAYER && (cp=get_ob_diff(op,&empty_archetype->clone))!=NULL)
306	strcat(errmsg,cp);
307	for (tmp=op->inv; tmp; tmp=tmp->below)
308	dump_object2(tmp);
309	#endif
310	strcat(errmsg,"end\n");
311	} else {
312	strcat(errmsg,"Object ");
313	if (op->name==NULL) strcat(errmsg, "(null)");
314	else strcat(errmsg,op->name);
315	strcat(errmsg,"\n");
316	#if 0
317	if((cp=get_ob_diff(op,&empty_archetype->clone))!=NULL)
318	strcat(errmsg,cp);
319	for (tmp=op->inv; tmp; tmp=tmp->below)
320	dump_object2(tmp);
321	#endif
322	strcat(errmsg,"end\n");
323	}
324	#endif
325	}
326
327	/*
328	* Dumps an object. Returns output in the static global errmsg array.
329	*/
330
331	void dump_object(object *op) {	363	dump_object (object *op)
332	if(op==NULL) {	364	{
333	strcpy(errmsg,"[NULL pointer]");	365	if (!op)
334	return;	366	return strdup ("[NULLOBJ]");
335	}
336	errmsg[0]='\0';
337	dump_object2(op);
338	}
339		367
340	void dump_all_objects(void) {	368	object_freezer freezer;
341	object *op;	369	save_object (freezer, op, 3);
342	for(op=objects;op!=NULL;op=op->next) {	370	return freezer.as_string ();
343	dump_object(op);
344	fprintf(logfile, "Object %d\n:%s\n", op->count, errmsg);
345	}
346	}	371	}
347		372
348	/*	373	/*
349	* get_nearest_part(multi-object, object 2) returns the part of the	374	* get_nearest_part(multi-object, object 2) returns the part of the
350	* multi-object 1 which is closest to the second object.	375	* multi-object 1 which is closest to the second object.
351	* If it's not a multi-object, it is returned.	376	* If it's not a multi-object, it is returned.
352	*/	377	*/
353		378
		379	object *
354	object *get_nearest_part(object *op, const object *pl) {	380	get_nearest_part (object *op, const object *pl)
		381	{
355	object *tmp,*closest;	382	object *tmp, *closest;
356	int last_dist,i;	383	int last_dist, i;
		384
357	if(op->more==NULL)	385	if (op->more == NULL)
358	return op;	386	return op;
359	for(last_dist=distance(op,pl),closest=op,tmp=op->more;tmp!=NULL;tmp=tmp->more)	387	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
360	if((i=distance(tmp,pl))<last_dist)	388	if ((i = distance (tmp, pl)) < last_dist)
361	closest=tmp,last_dist=i;	389	closest = tmp, last_dist = i;
362	return closest;	390	return closest;
363	}	391	}
364		392
365	/*	393	/*
366	* Returns the object which has the count-variable equal to the argument.	394	* Returns the object which has the count-variable equal to the argument.
367	*/	395	*/
368		396
		397	object *
369	object *find_object(tag_t i) {	398	find_object (tag_t i)
370	object *op;	399	{
371	for(op=objects;op!=NULL;op=op->next)	400	for (object *op = object::first; op; op = op->next)
372	if(op->count==i)	401	if (op->count == i)
373	break;	402	return op;
		403
374	return op;	404	return 0;
375	}	405	}
376		406
377	/*	407	/*
378	* 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.
379	* Used only by the patch command, but not all that useful.	409	* Used only by the patch command, but not all that useful.
380	* Enables features like "patch <name-of-other-player> food 999"	410	* Enables features like "patch <name-of-other-player> food 999"
381	*/	411	*/
382		412
		413	object *
383	object *find_object_name(const char *str) {	414	find_object_name (const char *str)
384	const char *name = shstr::find (str);	415	{
		416	shstr_cmp str_ (str);
385	object *op;	417	object *op;
		418
386	for(op=objects;op!=NULL;op=op->next)	419	for (op = object::first; op != NULL; op = op->next)
387	if(&op->name == name)	420	if (op->name == str_)
388	break;	421	break;
389		422
390	return op;	423	return op;
391	}	424	}
392		425
		426	void
393	void free_all_object_data(void) {	427	free_all_object_data ()
394	#ifdef MEMORY_DEBUG
395	object *op, *next;
396
397	for (op=free_objects; op!=NULL; ) {
398	next=op->next;
399	free(op);
400	nrofallocobjects--;
401	nroffreeobjects--;
402	op=next;
403	}
404	#endif
405	LOG(llevDebug,"%d allocated objects, %d free objects, STARMAX=%d\n",
406	nrofallocobjects, nroffreeobjects,STARTMAX);
407	}
408
409	/*
410	* Returns the object which this object marks as being the owner.
411	* A id-scheme is used to avoid pointing to objects which have been
412	* freed and are now reused. If this is detected, the owner is
413	* set to NULL, and NULL is returned.
414	* Changed 2004-02-12 - if the player is setting at the play again
415	* prompt, he is removed, and we don't want to treat him as an owner of
416	* anything, so check removed flag. I don't expect that this should break
417	* anything - once an object is removed, it is basically dead anyways.
418	*/
419
420	object *get_owner(object *op) {
421	if(op->owner==NULL)
422	return NULL;
423
424	if (!QUERY_FLAG(op->owner,FLAG_FREED) && !QUERY_FLAG(op->owner, FLAG_REMOVED) &&
425	op->owner->count==op->ownercount)
426	return op->owner;
427
428	op->owner=NULL;
429	op->ownercount=0;
430	return NULL;
431	}
432
433	void clear_owner(object *op)
434	{	428	{
435	if (!op) return;	429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
436
437	if (op->owner && op->ownercount == op->owner->count)
438	op->owner->refcount--;
439
440	op->owner = NULL;
441	op->ownercount = 0;
442	}	430	}
443
444
445		431
446	/*	432	/*
447	* Sets the owner and sets the skill and exp pointers to owner's current	433	* Sets the owner and sets the skill and exp pointers to owner's current
448	* skill and experience objects.	434	* skill and experience objects.
449	*/	435	*/
450	void set_owner (object *op, object *owner)	436	void
		437	object::set_owner (object *owner)
451	{	438	{
452	if(owner==NULL||op==NULL)	439	if (!owner)
453	return;	440	return;
454		441
455	/* next line added to allow objects which own objects */	442	/* next line added to allow objects which own objects */
456	/* Add a check for ownercounts in here, as I got into an endless loop	443	/* Add a check for ownercounts in here, as I got into an endless loop
457	* with the fireball owning a poison cloud which then owned the	444	* with the fireball owning a poison cloud which then owned the
458	* fireball. I believe that was caused by one of the objects getting	445	* fireball. I believe that was caused by one of the objects getting
459	* freed and then another object replacing it. Since the ownercounts	446	* freed and then another object replacing it. Since the ownercounts
460	* didn't match, this check is valid and I believe that cause is valid.	447	* didn't match, this check is valid and I believe that cause is valid.
461	*/	448	*/
462	while (owner->owner && owner!=owner->owner &&	449	while (owner->owner)
463	owner->ownercount==owner->owner->count) owner=owner->owner;	450	owner = owner->owner;
464		451
465	/* IF the owner still has an owner, we did not resolve to a final owner.
466	* so lets not add to that.
467	*/
468	if (owner->owner) return;
469
470	op->owner=owner;	452	this->owner = owner;
471
472	op->ownercount=owner->count;
473	owner->refcount++;
474
475	}
476
477	/* Set the owner to clone's current owner and set the skill and experience
478	* objects to clone's objects (typically those objects that where the owner's
479	* current skill and experience objects at the time when clone's owner was
480	* set - not the owner's current skill and experience objects).
481	*
482	* Use this function if player created an object (e.g. fire bullet, swarm
483	* spell), and this object creates further objects whose kills should be
484	* accounted for the player's original skill, even if player has changed
485	* skills meanwhile.
486	*/
487	void copy_owner (object *op, object *clone)
488	{
489	object *owner = get_owner (clone);
490	if (owner == NULL) {
491	/* players don't have owners - they own themselves. Update
492	* as appropriate.
493	*/
494	if (clone->type == PLAYER) owner=clone;
495	else return;
496	}
497	set_owner(op, owner);
498
499	}
500
501	/*
502	* Resets vital variables in an object
503	*/
504
505	void reset_object(object *op) {
506
507	op->name = NULL;
508	op->name_pl = NULL;
509	op->title = NULL;
510	op->race = NULL;
511	op->slaying = NULL;
512	op->skill = NULL;
513	op->msg = NULL;
514	op->materialname = NULL;
515	op->lore = NULL;
516	clear_object(op);
517	}	453	}
518		454
519	/* Zero the key_values on op, decrementing the shared-string	455	/* Zero the key_values on op, decrementing the shared-string
520	* refcounts and freeing the links.	456	* refcounts and freeing the links.
521	*/	457	*/
		458	static void
522	static void free_key_values(object * op)	459	free_key_values (object *op)
523	{	460	{
524	for (key_value *i = op->key_values; i != 0; )	461	for (key_value *i = op->key_values; i != 0;)
525	{	462	{
526	key_value *next = i->next;	463	key_value *next = i->next;
527	delete i;	464	delete i;
		465
528	i = next;	466	i = next;
529	}	467	}
530		468
531	op->key_values = 0;	469	op->key_values = 0;
532	}	470	}
533		471
534	/*	472	/*
535	* clear_object() frees everything allocated by an object, and also
536	* clears all variables and flags to default settings.
537	*/
538
539	void clear_object(object *op)
540	{
541	op->clear ();
542
543	free_key_values (op);
544
545	/* the memset will clear all these values for us, but we need
546	* to reduce the refcount on them.
547	*/
548	op->name = 0;
549	op->name_pl = 0;
550	op->title = 0;
551	op->race = 0;
552	op->slaying = 0;
553	op->skill = 0;
554	op->msg = 0;
555	op->lore = 0;
556	op->materialname = 0;
557
558	memset((void*)op, 0, sizeof (object_special));
559	/* Below here, we clear things that are not done by the memset,
560	* or set default values that are not zero.
561	*/
562	/* This is more or less true */
563	SET_FLAG (op, FLAG_REMOVED);
564
565	op->contr = NULL;
566	op->below = NULL;
567	op->above = NULL;
568	op->inv = NULL;
569	op->container=NULL;
570	op->env=NULL;
571	op->more=NULL;
572	op->head=NULL;
573	op->map=NULL;
574	op->refcount=0;
575	op->active_next = NULL;
576	op->active_prev = NULL;
577	/* What is not cleared is next, prev, and count */
578
579	op->expmul=1.0;
580	op->face = blank_face;
581	op->attacked_by_count = (tag_t) -1;
582
583	if (settings.casting_time)
584	op->casting_time = -1;
585	}
586
587	/*
588	* copy object first frees everything allocated by the second object,	473	* copy_to first frees everything allocated by the dst object,
589	* and then copies the contends of the first object into the second	474	* and then copies the contents of itself into the second
590	* object, allocating what needs to be allocated. Basically, any	475	* object, allocating what needs to be allocated. Basically, any
591	* data that is malloc'd needs to be re-malloc/copied. Otherwise,	476	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
592	* if the first object is freed, the pointers in the new object	477	* if the first object is freed, the pointers in the new object
593	* will point at garbage.	478	* will point at garbage.
594	*/	479	*/
595		480	void
596	void copy_object(object *op2, object *op)	481	object::copy_to (object *dst)
597	{	482	{
598	int is_freed=QUERY_FLAG(op,FLAG_FREED),is_removed=QUERY_FLAG(op,FLAG_REMOVED);	483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
		484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
599		485
600	op->clear ();	486	*(object_copy *)dst = *this;
601		487
602	free_key_values (op);	488	if (is_freed)
		489	SET_FLAG (dst, FLAG_FREED);
603		490
604	*(object_special *)op = *(object_special *)op2;	491	if (is_removed)
605	op2->clone (op);	492	SET_FLAG (dst, FLAG_REMOVED);
606		493
607	if (is_freed) SET_FLAG(op,FLAG_FREED);
608	if (is_removed) SET_FLAG(op,FLAG_REMOVED);
609
610	if (op2->speed < 0)	494	if (speed < 0)
611	op->speed_left = op2->speed_left - RANDOM() % 200 / 100.0;	495	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
612		496
613	/* Copy over key_values, if any. */	497	/* Copy over key_values, if any. */
614	if (op2->key_values != NULL) {	498	if (key_values)
		499	{
615	key_value *tail = NULL;	500	key_value *tail = 0;
616	key_value *i;	501	key_value *i;
617		502
618	op->key_values = NULL;	503	dst->key_values = 0;
619		504
620	for (i = op2->key_values; i != NULL; i = i->next)	505	for (i = key_values; i; i = i->next)
621	{	506	{
622	key_value *new_link = new key_value;	507	key_value *new_link = new key_value;
623		508
624	new_link->next = NULL;	509	new_link->next = 0;
625	new_link->key = i->key;	510	new_link->key = i->key;
626	new_link->value = i->value;	511	new_link->value = i->value;
627		512
628	/* Try and be clever here, too. */	513	/* Try and be clever here, too. */
629	if (op->key_values == NULL)	514	if (!dst->key_values)
630	{	515	{
631	op->key_values = new_link;	516	dst->key_values = new_link;
632	tail = new_link;	517	tail = new_link;
633	}	518	}
634	else	519	else
635	{	520	{
636	tail->next = new_link;	521	tail->next = new_link;
637	tail = new_link;	522	tail = new_link;
638	}	523	}
639	}	524	}
640	}	525	}
641		526
642	update_ob_speed (op);	527	update_ob_speed (dst);
643	}	528	}
644		529
645	/*
646	* expand_objects() allocates more objects for the list of unused objects.
647	* It is called from get_object() if the unused list is empty.
648	*/
649
650	void expand_objects(void) {
651	int i;
652	object *obj;
653	obj = new object [OBJ_EXPAND];
654
655	free_objects=obj;
656	obj[0].prev=NULL;
657	obj[0].next= &obj[1],
658	SET_FLAG(&(obj[0]), FLAG_REMOVED);
659	SET_FLAG(&(obj[0]), FLAG_FREED);
660
661	for(i=1;i<OBJ_EXPAND-1;i++) {
662	obj[i].next= &obj[i+1],
663	obj[i].prev= &obj[i-1],
664	SET_FLAG(&(obj[i]), FLAG_REMOVED);
665	SET_FLAG(&(obj[i]), FLAG_FREED);
666	}
667	obj[OBJ_EXPAND-1].prev= &obj[OBJ_EXPAND-2],
668	obj[OBJ_EXPAND-1].next=NULL,
669	SET_FLAG(&(obj[OBJ_EXPAND-1]), FLAG_REMOVED);
670	SET_FLAG(&(obj[OBJ_EXPAND-1]), FLAG_FREED);
671
672	nrofallocobjects += OBJ_EXPAND;
673	nroffreeobjects += OBJ_EXPAND;
674	}
675
676	/*
677	* get_object() grabs an object from the list of unused objects, makes
678	* sure it is initialised, and returns it.
679	* If there are no free objects, expand_objects() is called to get more.
680	*/
681
682	object *get_object(void)
683	{
684	object *op;	530	object *
685		531	object::clone ()
686	if(free_objects==NULL)	532	{
687	expand_objects();	533	object *neu = create ();
688		534	copy_to (neu);
689	op = free_objects;
690
691	if (!QUERY_FLAG (op, FLAG_FREED))
692	LOG(llevError,"Fatal: Getting busy object.\n");
693
694	free_objects = op->next;
695
696	if (free_objects != NULL)
697	free_objects->prev = NULL;
698
699	op->count= ++ob_count;
700	op->name=NULL;
701	op->name_pl=NULL;
702	op->title=NULL;
703	op->race=NULL;
704	op->slaying=NULL;
705	op->skill = NULL;
706	op->lore=NULL;
707	op->msg=NULL;
708	op->materialname=NULL;
709	op->next=objects;
710	op->prev=NULL;
711	op->active_next = NULL;
712	op->active_prev = NULL;
713	if(objects!=NULL)
714	objects->prev=op;
715	objects=op;
716	clear_object(op);
717	SET_FLAG(op,FLAG_REMOVED);
718	nroffreeobjects--;
719	return op;	535	return neu;
720	}	536	}
721		537
722	/*	538	/*
723	* If an object with the IS_TURNABLE() flag needs to be turned due	539	* If an object with the IS_TURNABLE() flag needs to be turned due
724	* to the closest player being on the other side, this function can	540	* to the closest player being on the other side, this function can
725	* be called to update the face variable, _and_ how it looks on the map.	541	* be called to update the face variable, _and_ how it looks on the map.
726	*/	542	*/
727		543
		544	void
728	void update_turn_face(object *op) {	545	update_turn_face (object *op)
		546	{
729	if(!QUERY_FLAG(op,FLAG_IS_TURNABLE)||op->arch==NULL)	547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)
730	return;	548	return;
731	SET_ANIMATION(op, op->direction);	549	SET_ANIMATION (op, op->direction);
732	update_object(op,UP_OBJ_FACE);	550	update_object (op, UP_OBJ_FACE);
733	}	551	}
734		552
735	/*	553	/*
736	* Updates the speed of an object. If the speed changes from 0 to another	554	* Updates the speed of an object. If the speed changes from 0 to another
737	* value, or vice versa, then add/remove the object from the active list.	555	* value, or vice versa, then add/remove the object from the active list.
738	* This function needs to be called whenever the speed of an object changes.	556	* This function needs to be called whenever the speed of an object changes.
739	*/	557	*/
740		558	void
741	void update_ob_speed(object *op) {	559	update_ob_speed (object *op)
		560	{
742	extern int arch_init;	561	extern int arch_init;
743		562
744	/* No reason putting the archetypes objects on the speed list,	563	/* No reason putting the archetypes objects on the speed list,
745	* since they never really need to be updated.	564	* since they never really need to be updated.
746	*/	565	*/
747		566
748	if (QUERY_FLAG(op, FLAG_FREED) && op->speed) {	567	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
		568	{
749	LOG(llevError,"Object %s is freed but has speed.\n", &op->name);	569	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);
750	#ifdef MANY_CORES	570	#ifdef MANY_CORES
751	abort();	571	abort ();
752	#else	572	#else
753	op->speed = 0;	573	op->speed = 0;
754	#endif	574	#endif
755	}	575	}
		576
756	if (arch_init) {	577	if (arch_init)
		578	return;
		579
		580	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
		581	{
		582	/* If already on active list, don't do anything */
		583	if (op->active_next || op->active_prev || op == active_objects)
757	return;	584	return;
758	}
759	if (FABS(op->speed)>MIN_ACTIVE_SPEED) {
760	/* If already on active list, don't do anything */
761	if (op->active_next || op->active_prev || op==active_objects)
762	return;
763		585
764	/* process_events() expects us to insert the object at the beginning	586	/* process_events() expects us to insert the object at the beginning
765	* of the list. */	587	* of the list. */
766	op->active_next = active_objects;	588	op->active_next = active_objects;
		589
767	if (op->active_next!=NULL)	590	if (op->active_next != NULL)
768	op->active_next->active_prev = op;	591	op->active_next->active_prev = op;
		592
769	active_objects = op;	593	active_objects = op;
		594	}
		595	else
770	}	596	{
771	else {
772	/* If not on the active list, nothing needs to be done */	597	/* If not on the active list, nothing needs to be done */
773	if (!op->active_next && !op->active_prev && op!=active_objects)	598	if (!op->active_next && !op->active_prev && op != active_objects)
774	return;	599	return;
775		600
776	if (op->active_prev==NULL) {	601	if (op->active_prev == NULL)
		602	{
777	active_objects = op->active_next;	603	active_objects = op->active_next;
		604
778	if (op->active_next!=NULL)	605	if (op->active_next != NULL)
779	op->active_next->active_prev = NULL;	606	op->active_next->active_prev = NULL;
780	}	607	}
781	else {	608	else
		609	{
782	op->active_prev->active_next = op->active_next;	610	op->active_prev->active_next = op->active_next;
		611
783	if (op->active_next)	612	if (op->active_next)
784	op->active_next->active_prev = op->active_prev;	613	op->active_next->active_prev = op->active_prev;
785	}	614	}
		615
786	op->active_next = NULL;	616	op->active_next = NULL;
787	op->active_prev = NULL;	617	op->active_prev = NULL;
788	}	618	}
789	}	619	}
790		620
791	/* This function removes object 'op' from the list of active	621	/* This function removes object 'op' from the list of active
792	* objects.	622	* objects.
…		…
794	* reference maps where you don't want an object that isn't	624	* reference maps where you don't want an object that isn't
795	* in play chewing up cpu time getting processed.	625	* in play chewing up cpu time getting processed.
796	* The reverse of this is to call update_ob_speed, which	626	* The reverse of this is to call update_ob_speed, which
797	* will do the right thing based on the speed of the object.	627	* will do the right thing based on the speed of the object.
798	*/	628	*/
		629	void
799	void remove_from_active_list(object *op)	630	remove_from_active_list (object *op)
800	{	631	{
801	/* If not on the active list, nothing needs to be done */	632	/* If not on the active list, nothing needs to be done */
802	if (!op->active_next && !op->active_prev && op!=active_objects)	633	if (!op->active_next && !op->active_prev && op != active_objects)
803	return;	634	return;
804		635
805	if (op->active_prev==NULL) {	636	if (op->active_prev == NULL)
		637	{
806	active_objects = op->active_next;	638	active_objects = op->active_next;
807	if (op->active_next!=NULL)	639	if (op->active_next != NULL)
808	op->active_next->active_prev = NULL;	640	op->active_next->active_prev = NULL;
		641	}
		642	else
809	}	643	{
810	else {
811	op->active_prev->active_next = op->active_next;	644	op->active_prev->active_next = op->active_next;
812	if (op->active_next)	645	if (op->active_next)
813	op->active_next->active_prev = op->active_prev;	646	op->active_next->active_prev = op->active_prev;
814	}	647	}
815	op->active_next = NULL;	648	op->active_next = NULL;
816	op->active_prev = NULL;	649	op->active_prev = NULL;
817	}	650	}
818		651
819	/*	652	/*
820	* update_object() updates the array which represents the map.	653	* update_object() updates the the map.
821	* It takes into account invisible objects (and represent squares covered	654	* It takes into account invisible objects (and represent squares covered
822	* by invisible objects by whatever is below them (unless it's another	655	* by invisible objects by whatever is below them (unless it's another
823	* invisible object, etc...)	656	* invisible object, etc...)
824	* If the object being updated is beneath a player, the look-window	657	* If the object being updated is beneath a player, the look-window
825	* of that player is updated (this might be a suboptimal way of	658	* of that player is updated (this might be a suboptimal way of
826	* updating that window, though, since update_object() is called _often_)	659	* updating that window, though, since update_object() is called _often_)
827	*	660	*
828	* action is a hint of what the caller believes need to be done.	661	* action is a hint of what the caller believes need to be done.
829	* For example, if the only thing that has changed is the face (due to
830	* an animation), we don't need to call update_position until that actually
831	* comes into view of a player. OTOH, many other things, like addition/removal
832	* of walls or living creatures may need us to update the flags now.
833	* current action are:	662	* current action are:
834	* UP_OBJ_INSERT: op was inserted	663	* UP_OBJ_INSERT: op was inserted
835	* UP_OBJ_REMOVE: op was removed	664	* UP_OBJ_REMOVE: op was removed
836	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	665	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
837	* as that is easier than trying to look at what may have changed.	666	* as that is easier than trying to look at what may have changed.
838	* UP_OBJ_FACE: only the objects face has changed.	667	* UP_OBJ_FACE: only the objects face has changed.
839	*/	668	*/
840		669	void
841	void update_object(object *op, int action) {	670	update_object (object *op, int action)
842	int update_now=0, flags;	671	{
843	MoveType move_on, move_off, move_block, move_slow;	672	MoveType move_on, move_off, move_block, move_slow;
844		673
845	if (op == NULL) {	674	if (op == NULL)
		675	{
846	/* this should never happen */	676	/* this should never happen */
847	LOG(llevDebug,"update_object() called for NULL object.\n");	677	LOG (llevDebug, "update_object() called for NULL object.\n");
848	return;	678	return;
849	}
850		679	}
851	if(op->env!=NULL) {	680
		681	if (op->env)
		682	{
852	/* Animation is currently handled by client, so nothing	683	/* Animation is currently handled by client, so nothing
853	* to do in this case.	684	* to do in this case.
854	*/	685	*/
855	return;	686	return;
856	}	687	}
857		688
858	/* If the map is saving, don't do anything as everything is	689	/* If the map is saving, don't do anything as everything is
859	* going to get freed anyways.	690	* going to get freed anyways.
860	*/	691	*/
861	if (!op->map || op->map->in_memory == MAP_SAVING) return;	692	if (!op->map || op->map->in_memory == MAP_SAVING)
862		693	return;
		694
863	/* make sure the object is within map boundaries */	695	/* make sure the object is within map boundaries */
864	if (op->x < 0 || op->x >= MAP_WIDTH(op->map) ||	696	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))
865	op->y < 0 || op->y >= MAP_HEIGHT(op->map)) {	697	{
866	LOG(llevError,"update_object() called for object out of map!\n");	698	LOG (llevError, "update_object() called for object out of map!\n");
867	#ifdef MANY_CORES	699	#ifdef MANY_CORES
868	abort();	700	abort ();
869	#endif	701	#endif
870	return;	702	return;
871	}
872		703	}
873	flags = GET_MAP_FLAGS(op->map, op->x, op->y);
874	SET_MAP_FLAGS(op->map, op->x, op->y, flags | P_NEED_UPDATE);
875	move_slow = GET_MAP_MOVE_SLOW(op->map, op->x, op->y);
876	move_on = GET_MAP_MOVE_ON(op->map, op->x, op->y);
877	move_block = GET_MAP_MOVE_BLOCK(op->map, op->x, op->y);
878	move_off = GET_MAP_MOVE_OFF(op->map, op->x, op->y);
879		704
		705	mapspace &m = op->ms ();
		706
		707	if (m.flags_ & P_NEED_UPDATE)
		708	/* nop */;
880	if (action == UP_OBJ_INSERT) {	709	else if (action == UP_OBJ_INSERT)
		710	{
		711	// this is likely overkill, TODO: revisit (schmorp)
881	if (QUERY_FLAG(op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	712	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
882	update_now=1;
883
884	if (QUERY_FLAG(op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	713	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
885	update_now=1;	714	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
886		715	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		716	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
887	if (QUERY_FLAG(op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	717	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
888	update_now=1;	718	|| (m.move_on | op->move_on ) != m.move_on
889
890	if (QUERY_FLAG(op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
891	update_now=1;
892
893	if ((move_on | op->move_on) != move_on) update_now=1;
894	if ((move_off | op->move_off) != move_off) update_now=1;	719	|| (m.move_off | op->move_off ) != m.move_off
		720	|| (m.move_slow | op->move_slow) != m.move_slow
895	/* This isn't perfect, but I don't expect a lot of objects to	721	/* This isn't perfect, but I don't expect a lot of objects to
896	* to have move_allow right now.	722	* to have move_allow right now.
897	*/	723	*/
898	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	724	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
899	update_now=1;	725	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
900	if ((move_slow | op->move_slow) != move_slow) update_now=1;	726	m.flags_ = P_NEED_UPDATE;
901	}	727	}
902	/* if the object is being removed, we can't make intelligent	728	/* if the object is being removed, we can't make intelligent
903	* decisions, because remove_ob can't really pass the object	729	* decisions, because remove_ob can't really pass the object
904	* that is being removed.	730	* that is being removed.
905	*/	731	*/
906	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE) {	732	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
907	update_now=1;	733	m.flags_ = P_NEED_UPDATE;
908	} else if (action == UP_OBJ_FACE) {	734	else if (action == UP_OBJ_FACE)
909	/* Nothing to do for that case */	735	/* Nothing to do for that case */ ;
910	}
911	else {	736	else
912	LOG(llevError,"update_object called with invalid action: %d\n", action);	737	LOG (llevError, "update_object called with invalid action: %d\n", action);
913	}
914		738
915	if (update_now) {
916	SET_MAP_FLAGS(op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
917	update_position(op->map, op->x, op->y);
918	}
919
920	if(op->more!=NULL)	739	if (op->more)
921	update_object(op->more, action);	740	update_object (op->more, action);
922	}	741	}
923		742
		743	object::vector object::objects; // not yet used
		744	object *object::first;
		745
		746	object::object ()
		747	{
		748	SET_FLAG (this, FLAG_REMOVED);
		749
		750	expmul = 1.0;
		751	face = blank_face;
		752	}
		753
		754	object::~object ()
		755	{
		756	free_key_values (this);
		757	}
		758
		759	void object::link ()
		760	{
		761	count = ++ob_count;
		762	uuid = gen_uuid ();
		763
		764	prev = 0;
		765	next = object::first;
		766
		767	if (object::first)
		768	object::first->prev = this;
		769
		770	object::first = this;
		771	}
		772
		773	void object::unlink ()
		774	{
		775	if (this == object::first)
		776	object::first = next;
		777
		778	/* Remove this object from the list of used objects */
		779	if (prev) prev->next = next;
		780	if (next) next->prev = prev;
		781
		782	prev = 0;
		783	next = 0;
		784	}
		785
		786	object *object::create ()
		787	{
		788	object *op = new object;
		789	op->link ();
		790	return op;
		791	}
924		792
925	/*	793	/*
926	* free_object() frees everything allocated by an object, removes	794	* free_object() frees everything allocated by an object, removes
927	* it from the list of used objects, and puts it on the list of	795	* it from the list of used objects, and puts it on the list of
928	* free objects. The IS_FREED() flag is set in the object.	796	* free objects. The IS_FREED() flag is set in the object.
929	* The object must have been removed by remove_ob() first for	797	* The object must have been removed by remove_ob() first for
930	* this function to succeed.	798	* this function to succeed.
931	*	799	*
932	* If free_inventory is set, free inventory as well. Else drop items in	800	* If destroy_inventory is set, free inventory as well. Else drop items in
933	* inventory to the ground.	801	* inventory to the ground.
934	*/	802	*/
		803	void
		804	object::do_destroy ()
		805	{
		806	attachable::do_destroy ();
935		807
936	void free_object(object *ob) {	808	if (flag [FLAG_IS_LINKED])
937	free_object2(ob, 0);	809	remove_button_link (this);
938	}
939	void free_object2(object *ob, int free_inventory) {
940	object *tmp,*op;
941		810
942	ob->clear ();	811	if (flag [FLAG_FRIENDLY])
943
944	if (!QUERY_FLAG(ob,FLAG_REMOVED)) {
945	LOG(llevDebug,"Free object called with non removed object\n");
946	dump_object(ob);
947	#ifdef MANY_CORES
948	abort();
949	#endif
950	}
951	if(QUERY_FLAG(ob,FLAG_FRIENDLY)) {
952	LOG(llevMonster,"Warning: tried to free friendly object.\n");
953	remove_friendly_object(ob);	812	remove_friendly_object (this);
954	}	813
955	if(QUERY_FLAG(ob,FLAG_FREED)) {	814	if (!flag [FLAG_REMOVED])
956	dump_object(ob);	815	remove ();
957	LOG(llevError,"Trying to free freed object.\n%s\n",errmsg);	816
		817	if (flag [FLAG_FREED])
958	return;	818	return;
		819
		820	flag [FLAG_FREED] = 1;
		821
		822	// hack to ensure that freed objects still have a valid map
		823	{
		824	static maptile *freed_map; // freed objects are moved here to avoid crashes
		825
		826	if (!freed_map)
		827	{
		828	freed_map = new maptile;
		829
		830	freed_map->name = "/internal/freed_objects_map";
		831	freed_map->width = 3;
		832	freed_map->height = 3;
		833
		834	freed_map->allocate ();
959	}	835	}
960	if(ob->more!=NULL) {	836
961	free_object2(ob->more, free_inventory);	837	map = freed_map;
962	ob->more=NULL;	838	x = 1;
		839	y = 1;
963	}	840	}
964	if (ob->inv) {	841
		842	more = 0;
		843	head = 0;
		844	inv = 0;
		845
		846	// clear those pointers that likely might have circular references to us
		847	owner = 0;
		848	enemy = 0;
		849	attacked_by = 0;
		850
		851	// only relevant for players(?), but make sure of it anyways
		852	contr = 0;
		853
		854	/* Remove object from the active list */
		855	speed = 0;
		856	update_ob_speed (this);
		857
		858	unlink ();
		859	}
		860
		861	/*
		862	* Remove and free all objects in the inventory of the given object.
		863	* object.c ?
		864	*/
		865	void
		866	object::destroy_inv (bool drop_to_ground)
		867	{
		868	if (!inv)
		869	return;
		870
965	/* Only if the space blocks everything do we not process -	871	/* Only if the space blocks everything do we not process -
966	* if some form of movemnt is allowed, let objects	872	* if some form of movement is allowed, let objects
967	* drop on that space.	873	* drop on that space.
968	*/	874	*/
969	if (free_inventory || ob->map==NULL || ob->map->in_memory!=MAP_IN_MEMORY ||	875	if (!drop_to_ground || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
970	(GET_MAP_MOVE_BLOCK(ob->map, ob->x, ob->y) == MOVE_ALL))	876	{
		877	while (inv)
971	{	878	{
972	op=ob->inv;	879	inv->destroy_inv (drop_to_ground);
973	while(op!=NULL) {	880	inv->destroy ();
974	tmp=op->below;	881	}
		882	}
		883	else
		884	{ /* Put objects in inventory onto this space */
		885	while (inv)
		886	{
		887	object *op = inv;
		888
		889	if (op->flag [FLAG_STARTEQUIP]
		890	|| op->flag [FLAG_NO_DROP]
		891	|| op->type == RUNE
		892	|| op->type == TRAP
		893	|| op->flag [FLAG_IS_A_TEMPLATE])
		894	op->destroy ();
		895	else
		896	{
975	remove_ob(op);	897	op->remove ();
976	free_object2(op, free_inventory);
977	op=tmp;	898	op->x = x;
		899	op->y = y;
		900	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
978	}	901	}
979	}	902	}
980	else { /* Put objects in inventory onto this space */
981	op=ob->inv;
982	while(op!=NULL) {
983	tmp=op->below;
984	remove_ob(op);
985	if(QUERY_FLAG(op,FLAG_STARTEQUIP)||QUERY_FLAG(op,FLAG_NO_DROP) ||
986	op->type==RUNE || op->type==TRAP || QUERY_FLAG(op,FLAG_IS_A_TEMPLATE))
987	free_object(op);
988	else {
989	op->x=ob->x;
990	op->y=ob->y;
991	insert_ob_in_map(op,ob->map,NULL,0); /* Insert in same map as the envir */
992	}
993	op=tmp;
994	}
995	}
996	}	903	}
997	/* Remove object from the active list */
998	ob->speed = 0;
999	update_ob_speed(ob);
1000
1001	SET_FLAG(ob, FLAG_FREED);
1002	ob->count = 0;
1003
1004	/* Remove this object from the list of used objects */
1005	if(ob->prev==NULL) {
1006	objects=ob->next;
1007	if(objects!=NULL)
1008	objects->prev=NULL;
1009	}
1010	else {
1011	ob->prev->next=ob->next;
1012	if(ob->next!=NULL)
1013	ob->next->prev=ob->prev;
1014	}
1015
1016	ob->name = 0;
1017	ob->name_pl = 0;
1018	ob->title = 0;
1019	ob->race = 0;
1020	ob->slaying = 0;
1021	ob->skill = 0;
1022	ob->lore = 0;
1023	ob->msg = 0;
1024	ob->materialname = 0;
1025
1026	free_key_values (ob);
1027
1028	/* Now link it with the free_objects list: */
1029	ob->prev=NULL;
1030	ob->next=free_objects;
1031
1032	if(free_objects!=NULL)
1033	free_objects->prev=ob;
1034
1035	free_objects=ob;
1036	nroffreeobjects++;
1037	}	904	}
1038		905
1039	/*	906	void
1040	* count_free() returns the number of objects on the list of free objects.	907	object::destroy (bool destroy_inventory)
1041	*/
1042
1043	int count_free ()
1044	{	908	{
1045	int i=0;	909	if (destroyed ())
1046	object *tmp=free_objects;
1047	while(tmp!=NULL)
1048	tmp=tmp->next, i++;
1049	return i;	910	return;
1050	}
1051		911
1052	/*	912	if (more)
1053	* count_used() returns the number of objects on the list of used objects.	913	{
1054	*/	914	//TODO: non-head objects must not have inventory
		915	more->destroy (destroy_inventory);
		916	more = 0;
		917	}
1055		918
1056	int count_used()	919	if (destroy_inventory)
1057	{	920	destroy_inv (true);
1058	int i=0;
1059	object *tmp=objects;
1060	while(tmp!=NULL)
1061	tmp=tmp->next, i++;
1062	return i;
1063	}
1064		921
1065	/*	922	attachable::destroy ();
1066	* count_active() returns the number of objects on the list of active objects.
1067	*/
1068
1069	int count_active()
1070	{
1071	int i=0;
1072	object *tmp=active_objects;
1073	while(tmp!=NULL)
1074	tmp=tmp->active_next, i++;
1075	return i;
1076	}	923	}
1077		924
1078	/*	925	/*
1079	* sub_weight() recursively (outwards) subtracts a number from the	926	* sub_weight() recursively (outwards) subtracts a number from the
1080	* weight of an object (and what is carried by it's environment(s)).	927	* weight of an object (and what is carried by it's environment(s)).
1081	*/	928	*/
1082		929	void
1083	void sub_weight (object *op, signed long weight) {	930	sub_weight (object *op, signed long weight)
		931	{
1084	while (op != NULL) {	932	while (op != NULL)
		933	{
1085	if (op->type == CONTAINER) {	934	if (op->type == CONTAINER)
1086	weight=(signed long)(weight*(100-op->stats.Str)/100);	935	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1087	}	936
1088	op->carrying-=weight;	937	op->carrying -= weight;
1089	op = op->env;	938	op = op->env;
1090	}	939	}
1091	}	940	}
1092		941
1093	/* remove_ob(op):	942	/* op->remove ():
1094	* This function removes the object op from the linked list of objects	943	* This function removes the object op from the linked list of objects
1095	* which it is currently tied to. When this function is done, the	944	* which it is currently tied to. When this function is done, the
1096	* object will have no environment. If the object previously had an	945	* object will have no environment. If the object previously had an
1097	* environment, the x and y coordinates will be updated to	946	* environment, the x and y coordinates will be updated to
1098	* the previous environment.	947	* the previous environment.
1099	* Beware: This function is called from the editor as well!	948	* Beware: This function is called from the editor as well!
1100	*/	949	*/
1101		950	void
1102	void remove_ob(object *op) {	951	object::remove ()
		952	{
1103	object *tmp,*last=NULL;	953	object *tmp, *last = 0;
1104	object *otmp;	954	object *otmp;
1105	tag_t tag;
1106	int check_walk_off;
1107	mapstruct *m;
1108	sint16 x,y;
1109
1110		955
1111	if(QUERY_FLAG(op,FLAG_REMOVED)) {	956	if (QUERY_FLAG (this, FLAG_REMOVED))
1112	dump_object(op);	957	return;
1113	LOG(llevError,"Trying to remove removed object.\n%s\n",errmsg);
1114		958
1115	/* Changed it to always dump core in this case. As has been learned
1116	* in the past, trying to recover from errors almost always
1117	* make things worse, and this is a real error here - something
1118	* that should not happen.
1119	* Yes, if this was a mission critical app, trying to do something
1120	* to recover may make sense, but that is because failure of the app
1121	* may have other disastrous problems. Cf runs out of a script
1122	* so is easily enough restarted without any real problems.
1123	* MSW 2001-07-01
1124	*/
1125	abort();
1126	}
1127	if(op->more!=NULL)
1128	remove_ob(op->more);
1129
1130	SET_FLAG(op, FLAG_REMOVED);	959	SET_FLAG (this, FLAG_REMOVED);
		960	INVOKE_OBJECT (REMOVE, this);
1131		961
		962	if (more)
		963	more->remove ();
		964
1132	/*	965	/*
1133	* In this case, the object to be removed is in someones	966	* In this case, the object to be removed is in someones
1134	* inventory.	967	* inventory.
1135	*/	968	*/
1136	if(op->env!=NULL) {	969	if (env)
		970	{
1137	if(op->nrof)	971	if (nrof)
1138	sub_weight(op->env, op->weight*op->nrof);	972	sub_weight (env, weight * nrof);
1139	else	973	else
1140	sub_weight(op->env, op->weight+op->carrying);	974	sub_weight (env, weight + carrying);
1141		975
1142	/* NO_FIX_PLAYER is set when a great many changes are being	976	/* NO_FIX_PLAYER is set when a great many changes are being
1143	* made to players inventory. If set, avoiding the call	977	* made to players inventory. If set, avoiding the call
1144	* to save cpu time.	978	* to save cpu time.
1145	*/	979	*/
1146	if ((otmp=is_player_inv(op->env))!=NULL && otmp->contr &&	980	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1147	!QUERY_FLAG(otmp,FLAG_NO_FIX_PLAYER))	981	otmp->update_stats ();
1148	fix_player(otmp);
1149		982
1150	if(op->above!=NULL)	983	if (above != NULL)
1151	op->above->below=op->below;	984	above->below = below;
1152	else	985	else
1153	op->env->inv=op->below;	986	env->inv = below;
1154		987
1155	if(op->below!=NULL)	988	if (below != NULL)
1156	op->below->above=op->above;	989	below->above = above;
1157		990
1158	/* we set up values so that it could be inserted into	991	/* we set up values so that it could be inserted into
1159	* the map, but we don't actually do that - it is up	992	* the map, but we don't actually do that - it is up
1160	* to the caller to decide what we want to do.	993	* to the caller to decide what we want to do.
		994	*/
		995	x = env->x, y = env->y;
		996	map = env->map;
		997	above = 0, below = 0;
		998	env = 0;
		999	}
		1000	else if (map)
		1001	{
		1002	/* Re did the following section of code - it looks like it had
		1003	* lots of logic for things we no longer care about
		1004	*/
		1005
		1006	/* link the object above us */
		1007	if (above)
		1008	above->below = below;
		1009	else
		1010	map->at (x, y).top = below; /* we were top, set new top */
		1011
		1012	/* Relink the object below us, if there is one */
		1013	if (below)
		1014	below->above = above;
		1015	else
		1016	{
		1017	/* Nothing below, which means we need to relink map object for this space
		1018	* use translated coordinates in case some oddness with map tiling is
		1019	* evident
1161	*/	1020	*/
1162	op->x=op->env->x,op->y=op->env->y;	1021	if (GET_MAP_OB (map, x, y) != this)
1163	op->ox=op->x,op->oy=op->y;	1022	{
1164	op->map=op->env->map;	1023	char *dump = dump_object (this);
1165	op->above=NULL,op->below=NULL;	1024	LOG (llevError,
1166	op->env=NULL;	1025	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);
		1026	free (dump);
		1027	dump = dump_object (GET_MAP_OB (map, x, y));
		1028	LOG (llevError, "%s\n", dump);
		1029	free (dump);
		1030	}
		1031
		1032	map->at (x, y).bottom = above; /* goes on above it. */
		1033	}
		1034
		1035	above = 0;
		1036	below = 0;
		1037
		1038	if (map->in_memory == MAP_SAVING)
1167	return;	1039	return;
1168	}
1169		1040
1170	/* If we get here, we are removing it from a map */	1041	int check_walk_off = !flag [FLAG_NO_APPLY];
1171	if (op->map == NULL) return;
1172		1042
1173	x = op->x;	1043	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)
1174	y = op->y;	1044	{
1175	m = get_map_from_coord(op->map, &x, &y);	1045	/* No point updating the players look faces if he is the object
1176		1046	* being removed.
1177	if (!m) {
1178	LOG(llevError,"remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1179	op->map->path, op->x, op->y);
1180	/* in old days, we used to set x and y to 0 and continue.
1181	* it seems if we get into this case, something is probablye
1182	* screwed up and should be fixed.
1183	*/	1047	*/
1184	abort();
1185	}
1186	if (op->map != m) {
1187	LOG(llevDebug,"remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1188	op->map->path, m->path, op->x, op->y, x, y);
1189	}
1190		1048
1191	/* Re did the following section of code - it looks like it had	1049	if (tmp->type == PLAYER && tmp != this)
1192	* lots of logic for things we no longer care about	1050	{
1193	*/	1051	/* If a container that the player is currently using somehow gets
1194		1052	* removed (most likely destroyed), update the player view
1195	/* link the object above us */	1053	* appropriately.
1196	if (op->above)
1197	op->above->below=op->below;
1198	else
1199	SET_MAP_TOP(m,x,y,op->below); /* we were top, set new top */
1200
1201	/* Relink the object below us, if there is one */
1202	if(op->below) {
1203	op->below->above=op->above;
1204	} else {
1205	/* Nothing below, which means we need to relink map object for this space
1206	* use translated coordinates in case some oddness with map tiling is
1207	* evident
1208	*/	1054	*/
1209	if(GET_MAP_OB(m,x,y)!=op) {	1055	if (tmp->container == this)
1210	dump_object(op);	1056	{
1211	LOG(llevError,"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", errmsg);	1057	flag [FLAG_APPLIED] = 0;
1212	dump_object(GET_MAP_OB(m,x,y));	1058	tmp->container = 0;
1213	LOG(llevError,"%s\n",errmsg);	1059	}
		1060
		1061	if (tmp->contr->ns)
		1062	tmp->contr->ns->floorbox_update ();
		1063	}
		1064
		1065	/* See if player moving off should effect something */
		1066	if (check_walk_off
		1067	&& ((move_type & tmp->move_off)
		1068	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
		1069	{
		1070	move_apply (tmp, this, 0);
		1071
		1072	if (destroyed ())
		1073	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
		1074	}
		1075
		1076	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
		1077
		1078	if (tmp->above == tmp)
		1079	tmp->above = 0;
		1080
		1081	last = tmp;
1214	}	1082	}
1215	SET_MAP_OB(m,x,y,op->above); /* goes on above it. */
1216	}
1217	op->above=NULL;
1218	op->below=NULL;
1219		1083
1220	if (op->map->in_memory == MAP_SAVING)
1221	return;
1222
1223	tag = op->count;
1224	check_walk_off = ! QUERY_FLAG (op, FLAG_NO_APPLY);
1225	for(tmp=GET_MAP_OB(m,x,y);tmp!=NULL;tmp=tmp->above) {
1226	/* No point updating the players look faces if he is the object
1227	* being removed.
1228	*/
1229
1230	if(tmp->type==PLAYER && tmp!=op) {
1231	/* If a container that the player is currently using somehow gets
1232	* removed (most likely destroyed), update the player view
1233	* appropriately.
1234	*/
1235	if (tmp->container==op) {
1236	CLEAR_FLAG(op, FLAG_APPLIED);
1237	tmp->container=NULL;
1238	}
1239	tmp->contr->socket.update_look=1;
1240	}
1241	/* See if player moving off should effect something */
1242	if (check_walk_off && ((op->move_type & tmp->move_off) &&
1243	(op->move_type & ~tmp->move_off & ~tmp->move_block)==0)) {
1244
1245	move_apply(tmp, op, NULL);
1246	if (was_destroyed (op, tag)) {
1247	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed "
1248	"leaving object\n", &tmp->name, &tmp->arch->name);
1249	}
1250	}
1251
1252	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1253
1254	if(tmp->above == tmp)
1255	tmp->above = NULL;
1256	last=tmp;
1257	}
1258	/* last == NULL of there are no objects on this space */	1084	/* last == NULL of there are no objects on this space */
1259	if (last==NULL) {	1085	if (!last)
1260	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,	1086	map->at (x, y).flags_ = P_NEED_UPDATE;
1261	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1262	* those out anyways, and if there are any flags set right now, they won't
1263	* be correct anyways.
1264	*/
1265	SET_MAP_FLAGS(op->map, op->x, op->y, P_NEED_UPDATE);
1266	update_position(op->map, op->x, op->y);
1267	}
1268	else	1087	else
1269	update_object(last, UP_OBJ_REMOVE);	1088	update_object (last, UP_OBJ_REMOVE);
1270		1089
1271	if(QUERY_FLAG(op,FLAG_BLOCKSVIEW)|| (op->glow_radius != 0))	1090	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1272	update_all_los(op->map, op->x, op->y);	1091	update_all_los (map, x, y);
1273		1092	}
1274	}	1093	}
1275		1094
1276	/*	1095	/*
1277	* merge_ob(op,top):	1096	* merge_ob(op,top):
1278	*	1097	*
1279	* This function goes through all objects below and including top, and	1098	* This function goes through all objects below and including top, and
1280	* merges op to the first matching object.	1099	* merges op to the first matching object.
1281	* If top is NULL, it is calculated.	1100	* If top is NULL, it is calculated.
1282	* Returns pointer to object if it succeded in the merge, otherwise NULL	1101	* Returns pointer to object if it succeded in the merge, otherwise NULL
1283	*/	1102	*/
1284		1103	object *
1285	object *merge_ob(object *op, object *top) {	1104	merge_ob (object *op, object *top)
		1105	{
1286	if(!op->nrof)	1106	if (!op->nrof)
1287	return 0;	1107	return 0;
1288	if(top==NULL)	1108
		1109	if (top)
1289	for(top=op;top!=NULL&&top->above!=NULL;top=top->above);	1110	for (top = op; top && top->above; top = top->above)
		1111	;
		1112
1290	for(;top!=NULL;top=top->below) {	1113	for (; top; top = top->below)
		1114	{
1291	if(top==op)	1115	if (top == op)
1292	continue;	1116	continue;
1293	if (CAN_MERGE(op,top))	1117
1294	{	1118	if (object::can_merge (op, top))
		1119	{
1295	top->nrof+=op->nrof;	1120	top->nrof += op->nrof;
		1121
1296	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1122	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1297	op->weight = 0; /* Don't want any adjustements now */	1123	op->weight = 0; /* Don't want any adjustements now */
1298	remove_ob(op);	1124	op->destroy ();
1299	free_object(op);
1300	return top;	1125	return top;
1301	}	1126	}
1302	}	1127	}
		1128
1303	return NULL;	1129	return 0;
1304	}	1130	}
1305		1131
1306	/*	1132	/*
1307	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1133	* same as insert_ob_in_map except it handle separate coordinates and do a clean
1308	* job preparing multi-part monsters	1134	* job preparing multi-part monsters
1309	*/	1135	*/
		1136	object *
1310	object *insert_ob_in_map_at(object *op, mapstruct *m, object *originator, int flag, int x, int y){	1137	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
		1138	{
1311	object* tmp;	1139	object *tmp;
		1140
1312	if (op->head)	1141	if (op->head)
1313	op=op->head;	1142	op = op->head;
		1143
1314	for (tmp=op;tmp;tmp=tmp->more){	1144	for (tmp = op; tmp; tmp = tmp->more)
		1145	{
1315	tmp->x=x+tmp->arch->clone.x;	1146	tmp->x = x + tmp->arch->clone.x;
1316	tmp->y=y+tmp->arch->clone.y;	1147	tmp->y = y + tmp->arch->clone.y;
1317	}	1148	}
		1149
1318	return insert_ob_in_map (op, m, originator, flag);	1150	return insert_ob_in_map (op, m, originator, flag);
1319	}	1151	}
1320		1152
1321	/*	1153	/*
1322	* insert_ob_in_map (op, map, originator, flag):	1154	* insert_ob_in_map (op, map, originator, flag):
1323	* This function inserts the object in the two-way linked list	1155	* This function inserts the object in the two-way linked list
…		…
1336	* Return value:	1168	* Return value:
1337	* new object if 'op' was merged with other object	1169	* new object if 'op' was merged with other object
1338	* NULL if 'op' was destroyed	1170	* NULL if 'op' was destroyed
1339	* just 'op' otherwise	1171	* just 'op' otherwise
1340	*/	1172	*/
1341		1173	object *
1342	object *insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1174	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1343	{	1175	{
1344	object *tmp, *top, *floor=NULL;	1176	object *tmp, *top, *floor = NULL;
1345	sint16 x,y;	1177	sint16 x, y;
1346		1178
1347	if (QUERY_FLAG (op, FLAG_FREED)) {	1179	if (QUERY_FLAG (op, FLAG_FREED))
		1180	{
1348	LOG (llevError, "Trying to insert freed object!\n");	1181	LOG (llevError, "Trying to insert freed object!\n");
1349	return NULL;	1182	return NULL;
		1183	}
		1184
		1185	if (m == NULL)
1350	}	1186	{
1351	if(m==NULL) {
1352	dump_object(op);	1187	char *dump = dump_object (op);
1353	LOG(llevError,"Trying to insert in null-map!\n%s\n",errmsg);	1188	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
		1189	free (dump);
1354	return op;	1190	return op;
1355	}	1191	}
		1192
1356	if(out_of_map(m,op->x,op->y)) {	1193	if (out_of_map (m, op->x, op->y))
		1194	{
1357	dump_object(op);	1195	char *dump = dump_object (op);
1358	LOG(llevError,"Trying to insert object outside the map.\n%s\n", errmsg);	1196	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1359	#ifdef MANY_CORES	1197	#ifdef MANY_CORES
1360	/* Better to catch this here, as otherwise the next use of this object	1198	/* Better to catch this here, as otherwise the next use of this object
1361	* is likely to cause a crash. Better to find out where it is getting	1199	* is likely to cause a crash. Better to find out where it is getting
1362	* improperly inserted.	1200	* improperly inserted.
1363	*/	1201	*/
1364	abort();	1202	abort ();
1365	#endif	1203	#endif
		1204	free (dump);
1366	return op;	1205	return op;
1367	}	1206	}
		1207
1368	if(!QUERY_FLAG(op,FLAG_REMOVED)) {	1208	if (!QUERY_FLAG (op, FLAG_REMOVED))
		1209	{
1369	dump_object(op);	1210	char *dump = dump_object (op);
1370	LOG(llevError,"Trying to insert (map) inserted object.\n%s\n", errmsg);	1211	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
		1212	free (dump);
1371	return op;	1213	return op;
		1214	}
		1215
		1216	if (op->more)
1372	}	1217	{
1373	if(op->more!=NULL) {
1374	/* The part may be on a different map. */	1218	/* The part may be on a different map. */
1375		1219
1376	object *more = op->more;	1220	object *more = op->more;
1377		1221
1378	/* We really need the caller to normalize coordinates - if	1222	/* We really need the caller to normalize coordinates - if
1379	* we set the map, that doesn't work if the location is within	1223	* we set the map, that doesn't work if the location is within
1380	* a map and this is straddling an edge. So only if coordinate	1224	* a map and this is straddling an edge. So only if coordinate
1381	* is clear wrong do we normalize it.	1225	* is clear wrong do we normalize it.
1382	*/	1226	*/
1383	if (OUT_OF_REAL_MAP(more->map, more->x, more->y)) {	1227	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1384	/* Debugging information so you can see the last coordinates this object had */
1385	more->ox = more->x;
1386	more->oy = more->y;
1387	more->map = get_map_from_coord(m, &more->x, &more->y);	1228	more->map = get_map_from_coord (m, &more->x, &more->y);
1388	} else if (!more->map) {	1229	else if (!more->map)
		1230	{
1389	/* For backwards compatibility - when not dealing with tiled maps,	1231	/* For backwards compatibility - when not dealing with tiled maps,
1390	* more->map should always point to the parent.	1232	* more->map should always point to the parent.
1391	*/	1233	*/
1392	more->map = m;	1234	more->map = m;
1393	}	1235	}
1394		1236
1395	if (insert_ob_in_map(more, more->map, originator, flag) == NULL) {	1237	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
		1238	{
1396	if ( ! op->head)	1239	if (!op->head)
1397	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1240	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
		1241
1398	return NULL;	1242	return 0;
1399	}	1243	}
1400	}	1244	}
		1245
1401	CLEAR_FLAG(op,FLAG_REMOVED);	1246	CLEAR_FLAG (op, FLAG_REMOVED);
1402		1247
1403	/* Debugging information so you can see the last coordinates this object had */
1404	op->ox=op->x;
1405	op->oy=op->y;
1406
1407	/* Ideally, the caller figures this out. However, it complicates a lot	1248	/* Ideally, the caller figures this out. However, it complicates a lot
1408	* of areas of callers (eg, anything that uses find_free_spot would now	1249	* of areas of callers (eg, anything that uses find_free_spot would now
1409	* need extra work	1250	* need extra work
1410	*/	1251	*/
1411	op->map=get_map_from_coord(m, &op->x, &op->y);	1252	op->map = get_map_from_coord (m, &op->x, &op->y);
1412	x = op->x;	1253	x = op->x;
1413	y = op->y;	1254	y = op->y;
1414		1255
1415	/* this has to be done after we translate the coordinates.	1256	/* this has to be done after we translate the coordinates.
1416	*/	1257	*/
1417	if(op->nrof && !(flag & INS_NO_MERGE)) {	1258	if (op->nrof && !(flag & INS_NO_MERGE))
1418	for(tmp=GET_MAP_OB(op->map,x,y);tmp!=NULL;tmp=tmp->above)	1259	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)
1419	if (CAN_MERGE(op,tmp)) {	1260	if (object::can_merge (op, tmp))
		1261	{
1420	op->nrof+=tmp->nrof;	1262	op->nrof += tmp->nrof;
1421	remove_ob(tmp);	1263	tmp->destroy ();
1422	free_object(tmp);	1264	}
		1265
		1266	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
		1267	CLEAR_FLAG (op, FLAG_INV_LOCKED);
		1268
		1269	if (!QUERY_FLAG (op, FLAG_ALIVE))
		1270	CLEAR_FLAG (op, FLAG_NO_STEAL);
		1271
		1272	if (flag & INS_BELOW_ORIGINATOR)
		1273	{
		1274	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
		1275	{
		1276	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
		1277	abort ();
		1278	}
		1279
		1280	op->above = originator;
		1281	op->below = originator->below;
		1282
		1283	if (op->below)
		1284	op->below->above = op;
		1285	else
		1286	op->ms ().bottom = op;
		1287
		1288	/* since *below* originator, no need to update top */
		1289	originator->below = op;
		1290	}
		1291	else
		1292	{
		1293	/* If there are other objects, then */
		1294	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))
		1295	{
		1296	object *last = NULL;
		1297
		1298	/*
		1299	* If there are multiple objects on this space, we do some trickier handling.
		1300	* We've already dealt with merging if appropriate.
		1301	* Generally, we want to put the new object on top. But if
		1302	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
		1303	* floor, we want to insert above that and no further.
		1304	* Also, if there are spell objects on this space, we stop processing
		1305	* once we get to them. This reduces the need to traverse over all of
		1306	* them when adding another one - this saves quite a bit of cpu time
		1307	* when lots of spells are cast in one area. Currently, it is presumed
		1308	* that flying non pickable objects are spell objects.
		1309	*/
		1310
		1311	while (top != NULL)
		1312	{
		1313	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
		1314	floor = top;
		1315
		1316	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
		1317	{
		1318	/* We insert above top, so we want this object below this */
		1319	top = top->below;
		1320	break;
		1321	}
		1322
		1323	last = top;
		1324	top = top->above;
1423	}	1325	}
1424	}
1425		1326
1426	CLEAR_FLAG(op,FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1327	/* Don't want top to be NULL, so set it to the last valid object */
1427	CLEAR_FLAG(op, FLAG_INV_LOCKED);	1328	top = last;
1428	if (!QUERY_FLAG(op, FLAG_ALIVE))
1429	CLEAR_FLAG(op, FLAG_NO_STEAL);
1430		1329
1431	if (flag & INS_BELOW_ORIGINATOR) {	1330	/* We let update_position deal with figuring out what the space
1432	if (originator->map != op->map || originator->x != op->x ||	1331	* looks like instead of lots of conditions here.
1433	originator->y != op->y) {	1332	* makes things faster, and effectively the same result.
1434	LOG(llevError,"insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1333	*/
1435	abort();	1334
		1335	/* Have object 'fall below' other objects that block view.
		1336	* Unless those objects are exits, type 66
		1337	* If INS_ON_TOP is used, don't do this processing
		1338	* Need to find the object that in fact blocks view, otherwise
		1339	* stacking is a bit odd.
		1340	*/
		1341	if (!(flag & INS_ON_TOP) &&
		1342	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))
		1343	{
		1344	for (last = top; last != floor; last = last->below)
		1345	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
		1346	break;
		1347	/* Check to see if we found the object that blocks view,
		1348	* and make sure we have a below pointer for it so that
		1349	* we can get inserted below this one, which requires we
		1350	* set top to the object below us.
		1351	*/
		1352	if (last && last->below && last != floor)
		1353	top = last->below;
		1354	}
		1355	} /* If objects on this space */
		1356
		1357	if (flag & INS_MAP_LOAD)
		1358	top = GET_MAP_TOP (op->map, op->x, op->y);
		1359
		1360	if (flag & INS_ABOVE_FLOOR_ONLY)
		1361	top = floor;
		1362
		1363	/* Top is the object that our object (op) is going to get inserted above.
		1364	*/
		1365
		1366	/* First object on this space */
		1367	if (!top)
		1368	{
		1369	op->above = GET_MAP_OB (op->map, op->x, op->y);
		1370
		1371	if (op->above)
		1372	op->above->below = op;
		1373
		1374	op->below = NULL;
		1375	op->ms ().bottom = op;
1436	}	1376	}
1437	op->above = originator;
1438	op->below = originator->below;
1439	if (op->below) op->below->above = op;
1440	else SET_MAP_OB(op->map, op->x, op->y, op);
1441	/* since *below* originator, no need to update top */
1442	originator->below = op;
1443	} else {	1377	else
1444	/* If there are other objects, then */
1445	if((! (flag & INS_MAP_LOAD)) && ((top=GET_MAP_OB(op->map,op->x,op->y))!=NULL)) {
1446	object *last=NULL;
1447	/*
1448	* If there are multiple objects on this space, we do some trickier handling.
1449	* We've already dealt with merging if appropriate.
1450	* Generally, we want to put the new object on top. But if
1451	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
1452	* floor, we want to insert above that and no further.
1453	* Also, if there are spell objects on this space, we stop processing
1454	* once we get to them. This reduces the need to traverse over all of
1455	* them when adding another one - this saves quite a bit of cpu time
1456	* when lots of spells are cast in one area. Currently, it is presumed
1457	* that flying non pickable objects are spell objects.
1458	*/
1459
1460	while (top != NULL) {
1461	if (QUERY_FLAG(top, FLAG_IS_FLOOR) ||
1462	QUERY_FLAG(top, FLAG_OVERLAY_FLOOR)) floor = top;
1463	if (QUERY_FLAG(top, FLAG_NO_PICK)
1464	&& (top->move_type & (MOVE_FLY_LOW |MOVE_FLY_HIGH))
1465	&& !QUERY_FLAG(top, FLAG_IS_FLOOR))
1466	{
1467	/* We insert above top, so we want this object below this */
1468	top=top->below;
1469	break;
1470	}
1471	last = top;
1472	top = top->above;
1473	}
1474	/* Don't want top to be NULL, so set it to the last valid object */
1475	top = last;
1476
1477	/* We let update_position deal with figuring out what the space
1478	* looks like instead of lots of conditions here.
1479	* makes things faster, and effectively the same result.
1480	*/
1481
1482	/* Have object 'fall below' other objects that block view.
1483	* Unless those objects are exits, type 66
1484	* If INS_ON_TOP is used, don't do this processing
1485	* Need to find the object that in fact blocks view, otherwise
1486	* stacking is a bit odd.
1487	*/
1488	if (!(flag & INS_ON_TOP) &&
1489	(get_map_flags(op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) &&
1490	(op->face && !op->face->visibility)) {
1491	for (last=top; last != floor; last=last->below)
1492	if (QUERY_FLAG(last, FLAG_BLOCKSVIEW)&&(last->type != EXIT)) break;
1493	/* Check to see if we found the object that blocks view,
1494	* and make sure we have a below pointer for it so that
1495	* we can get inserted below this one, which requires we
1496	* set top to the object below us.
1497	*/
1498	if (last && last->below && last != floor) top=last->below;
1499	}
1500	} /* If objects on this space */
1501	if (flag & INS_MAP_LOAD)
1502	top = GET_MAP_TOP(op->map,op->x,op->y);
1503	if (flag & INS_ABOVE_FLOOR_ONLY) top = floor;
1504
1505	/* Top is the object that our object (op) is going to get inserted above.
1506	*/
1507
1508	/* First object on this space */
1509	if (!top) {
1510	op->above = GET_MAP_OB(op->map, op->x, op->y);
1511	if (op->above) op->above->below = op;
1512	op->below = NULL;
1513	SET_MAP_OB(op->map, op->x, op->y, op);
1514	} else { /* get inserted into the stack above top */	1378	{ /* get inserted into the stack above top */
1515	op->above = top->above;	1379	op->above = top->above;
		1380
		1381	if (op->above)
1516	if (op->above) op->above->below = op;	1382	op->above->below = op;
		1383
1517	op->below = top;	1384	op->below = top;
1518	top->above = op;	1385	top->above = op;
1519	}	1386	}
		1387
1520	if (op->above==NULL)	1388	if (op->above == NULL)
1521	SET_MAP_TOP(op->map,op->x, op->y, op);	1389	op->ms ().top = op;
1522	} /* else not INS_BELOW_ORIGINATOR */	1390	} /* else not INS_BELOW_ORIGINATOR */
1523		1391
1524	if(op->type==PLAYER)	1392	if (op->type == PLAYER)
1525	op->contr->do_los=1;	1393	op->contr->do_los = 1;
1526		1394
1527	/* If we have a floor, we know the player, if any, will be above	1395	/* If we have a floor, we know the player, if any, will be above
1528	* it, so save a few ticks and start from there.	1396	* it, so save a few ticks and start from there.
1529	*/	1397	*/
1530	if (!(flag & INS_MAP_LOAD))	1398	if (!(flag & INS_MAP_LOAD))
1531	for(tmp=floor?floor:GET_MAP_OB(op->map,op->x,op->y);tmp!=NULL;tmp=tmp->above) {	1399	if (object *pl = op->ms ().player ())
1532	if (tmp->type == PLAYER)	1400	if (pl->contr->ns)
1533	tmp->contr->socket.update_look=1;	1401	pl->contr->ns->floorbox_update ();
1534	}
1535		1402
1536	/* If this object glows, it may affect lighting conditions that are	1403	/* If this object glows, it may affect lighting conditions that are
1537	* visible to others on this map. But update_all_los is really	1404	* visible to others on this map. But update_all_los is really
1538	* an inefficient way to do this, as it means los for all players	1405	* an inefficient way to do this, as it means los for all players
1539	* on the map will get recalculated. The players could very well	1406	* on the map will get recalculated. The players could very well
1540	* be far away from this change and not affected in any way -	1407	* be far away from this change and not affected in any way -
1541	* this should get redone to only look for players within range,	1408	* this should get redone to only look for players within range,
1542	* or just updating the P_NEED_UPDATE for spaces within this area	1409	* or just updating the P_NEED_UPDATE for spaces within this area
1543	* of effect may be sufficient.	1410	* of effect may be sufficient.
1544	*/	1411	*/
1545	if(MAP_DARKNESS(op->map) && (op->glow_radius != 0))	1412	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))
1546	update_all_los(op->map, op->x, op->y);	1413	update_all_los (op->map, op->x, op->y);
1547		1414
1548
1549	/* updates flags (blocked, alive, no magic, etc) for this map space */	1415	/* updates flags (blocked, alive, no magic, etc) for this map space */
1550	update_object(op,UP_OBJ_INSERT);	1416	update_object (op, UP_OBJ_INSERT);
1551		1417
		1418	INVOKE_OBJECT (INSERT, op);
1552		1419
1553	/* Don't know if moving this to the end will break anything. However,	1420	/* Don't know if moving this to the end will break anything. However,
1554	* we want to have update_look set above before calling this.	1421	* we want to have floorbox_update called before calling this.
1555	*	1422	*
1556	* check_move_on() must be after this because code called from	1423	* check_move_on() must be after this because code called from
1557	* check_move_on() depends on correct map flags (so functions like	1424	* check_move_on() depends on correct map flags (so functions like
1558	* blocked() and wall() work properly), and these flags are updated by	1425	* blocked() and wall() work properly), and these flags are updated by
1559	* update_object().	1426	* update_object().
1560	*/	1427	*/
1561		1428
1562	/* if this is not the head or flag has been passed, don't check walk on status */	1429	/* if this is not the head or flag has been passed, don't check walk on status */
1563
1564	if (!(flag & INS_NO_WALK_ON) && !op->head) {	1430	if (!(flag & INS_NO_WALK_ON) && !op->head)
		1431	{
1565	if (check_move_on(op, originator))	1432	if (check_move_on (op, originator))
1566	return NULL;	1433	return 0;
1567		1434
1568	/* If we are a multi part object, lets work our way through the check	1435	/* If we are a multi part object, lets work our way through the check
1569	* walk on's.	1436	* walk on's.
1570	*/	1437	*/
1571	for (tmp=op->more; tmp!=NULL; tmp=tmp->more)	1438	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1572	if (check_move_on (tmp, originator))	1439	if (check_move_on (tmp, originator))
1573	return NULL;	1440	return 0;
1574	}	1441	}
		1442
1575	return op;	1443	return op;
1576	}	1444	}
1577		1445
1578	/* this function inserts an object in the map, but if it	1446	/* this function inserts an object in the map, but if it
1579	* finds an object of its own type, it'll remove that one first.	1447	* finds an object of its own type, it'll remove that one first.
1580	* op is the object to insert it under: supplies x and the map.	1448	* op is the object to insert it under: supplies x and the map.
1581	*/	1449	*/
		1450	void
1582	void replace_insert_ob_in_map(const char *arch_string, object *op) {	1451	replace_insert_ob_in_map (const char *arch_string, object *op)
1583	object *tmp;	1452	{
1584	object *tmp1;	1453	object *tmp, *tmp1;
1585		1454
1586	/* first search for itself and remove any old instances */	1455	/* first search for itself and remove any old instances */
1587		1456
1588	for(tmp=GET_MAP_OB(op->map,op->x,op->y); tmp!=NULL; tmp=tmp->above) {	1457	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1589	if(!strcmp(tmp->arch->name,arch_string)) /* same archetype */ {	1458	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1590	remove_ob(tmp);	1459	tmp->destroy ();
1591	free_object(tmp);
1592	}
1593	}
1594		1460
1595	tmp1=arch_to_object(find_archetype(arch_string));	1461	tmp1 = arch_to_object (archetype::find (arch_string));
1596		1462
1597		1463	tmp1->x = op->x;
1598	tmp1->x = op->x; tmp1->y = op->y;	1464	tmp1->y = op->y;
1599	insert_ob_in_map(tmp1,op->map,op,0);	1465	insert_ob_in_map (tmp1, op->map, op, 0);
1600	}	1466	}
1601		1467
1602	/*	1468	/*
1603	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1469	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1604	* is returned contains nr objects, and the remaining parts contains	1470	* is returned contains nr objects, and the remaining parts contains
1605	* the rest (or is removed and freed if that number is 0).	1471	* the rest (or is removed and freed if that number is 0).
1606	* On failure, NULL is returned, and the reason put into the	1472	* On failure, NULL is returned, and the reason put into the
1607	* global static errmsg array.	1473	* global static errmsg array.
1608	*/	1474	*/
1609		1475
		1476	object *
1610	object *get_split_ob(object *orig_ob, uint32 nr) {	1477	get_split_ob (object *orig_ob, uint32 nr)
		1478	{
1611	object *newob;	1479	object *newob;
1612	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1480	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1613		1481
1614	if(orig_ob->nrof<nr) {	1482	if (orig_ob->nrof < nr)
1615	sprintf(errmsg,"There are only %d %ss.",	1483	{
1616	orig_ob->nrof?orig_ob->nrof:1, &orig_ob->name);	1484	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1617	return NULL;	1485	return NULL;
1618	}	1486	}
		1487
1619	newob = object_create_clone(orig_ob);	1488	newob = object_create_clone (orig_ob);
		1489
1620	if((orig_ob->nrof-=nr)<1) {	1490	if ((orig_ob->nrof -= nr) < 1)
1621	if ( ! is_removed)	1491	orig_ob->destroy (1);
1622	remove_ob(orig_ob);
1623	free_object2(orig_ob, 1);
1624	}
1625	else if ( ! is_removed) {	1492	else if (!is_removed)
		1493	{
1626	if(orig_ob->env!=NULL)	1494	if (orig_ob->env != NULL)
1627	sub_weight (orig_ob->env,orig_ob->weight*nr);	1495	sub_weight (orig_ob->env, orig_ob->weight * nr);
1628	if (orig_ob->env == NULL && orig_ob->map->in_memory!=MAP_IN_MEMORY) {	1496	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
		1497	{
1629	strcpy(errmsg, "Tried to split object whose map is not in memory.");	1498	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1630	LOG(llevDebug,
1631	"Error, Tried to split object whose map is not in memory.\n");	1499	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1632	return NULL;	1500	return NULL;
1633	}	1501	}
1634	}	1502	}
		1503
1635	newob->nrof=nr;	1504	newob->nrof = nr;
1636		1505
1637	return newob;	1506	return newob;
1638	}	1507	}
1639		1508
1640	/*	1509	/*
1641	* decrease_ob_nr(object, number) decreases a specified number from	1510	* decrease_ob_nr(object, number) decreases a specified number from
1642	* the amount of an object. If the amount reaches 0, the object	1511	* the amount of an object. If the amount reaches 0, the object
1643	* is subsequently removed and freed.	1512	* is subsequently removed and freed.
1644	*	1513	*
1645	* Return value: 'op' if something is left, NULL if the amount reached 0	1514	* Return value: 'op' if something is left, NULL if the amount reached 0
1646	*/	1515	*/
1647		1516
		1517	object *
1648	object *decrease_ob_nr (object *op, uint32 i)	1518	decrease_ob_nr (object *op, uint32 i)
1649	{	1519	{
1650	object *tmp;	1520	object *tmp;
1651	player *pl;
1652		1521
1653	if (i == 0) /* objects with op->nrof require this check */	1522	if (i == 0) /* objects with op->nrof require this check */
1654	return op;	1523	return op;
1655		1524
1656	if (i > op->nrof)	1525	if (i > op->nrof)
1657	i = op->nrof;	1526	i = op->nrof;
1658		1527
1659	if (QUERY_FLAG (op, FLAG_REMOVED))	1528	if (QUERY_FLAG (op, FLAG_REMOVED))
		1529	op->nrof -= i;
		1530	else if (op->env)
		1531	{
		1532	/* is this object in the players inventory, or sub container
		1533	* therein?
		1534	*/
		1535	tmp = op->in_player ();
		1536	/* nope. Is this a container the player has opened?
		1537	* If so, set tmp to that player.
		1538	* IMO, searching through all the players will mostly
		1539	* likely be quicker than following op->env to the map,
		1540	* and then searching the map for a player.
		1541	*/
		1542	if (!tmp)
		1543	for_all_players (pl)
		1544	if (pl->ob->container == op->env)
		1545	{
		1546	tmp = pl->ob;
		1547	break;
		1548	}
		1549
		1550	if (i < op->nrof)
		1551	{
		1552	sub_weight (op->env, op->weight * i);
		1553	op->nrof -= i;
		1554	if (tmp)
		1555	esrv_send_item (tmp, op);
		1556	}
		1557	else
		1558	{
		1559	op->remove ();
		1560	op->nrof = 0;
		1561	if (tmp)
		1562	esrv_del_item (tmp->contr, op->count);
		1563	}
1660	{	1564	}
		1565	else
		1566	{
		1567	object *above = op->above;
		1568
		1569	if (i < op->nrof)
1661	op->nrof -= i;	1570	op->nrof -= i;
1662	}	1571	else
1663	else if (op->env != NULL)
1664	{
1665	/* is this object in the players inventory, or sub container
1666	* therein?
1667	*/	1572	{
1668	tmp = is_player_inv (op->env);	1573	op->remove ();
1669	/* nope. Is this a container the player has opened?	1574	op->nrof = 0;
1670	* If so, set tmp to that player.
1671	* IMO, searching through all the players will mostly
1672	* likely be quicker than following op->env to the map,
1673	* and then searching the map for a player.
1674	*/
1675	if (!tmp) {
1676	for (pl=first_player; pl; pl=pl->next)
1677	if (pl->ob->container == op->env) break;
1678	if (pl) tmp=pl->ob;
1679	else tmp=NULL;
1680	}	1575	}
1681		1576
1682	if (i < op->nrof) {
1683	sub_weight (op->env, op->weight * i);
1684	op->nrof -= i;
1685	if (tmp) {
1686	esrv_send_item(tmp, op);
1687	}
1688	} else {
1689	remove_ob (op);
1690	op->nrof = 0;
1691	if (tmp) {
1692	esrv_del_item(tmp->contr, op->count);
1693	}
1694	}
1695	}
1696	else
1697	{
1698	object *above = op->above;
1699
1700	if (i < op->nrof) {
1701	op->nrof -= i;
1702	} else {
1703	remove_ob (op);
1704	op->nrof = 0;
1705	}
1706	/* Since we just removed op, op->above is null */	1577	/* Since we just removed op, op->above is null */
1707	for (tmp = above; tmp != NULL; tmp = tmp->above)	1578	for (tmp = above; tmp; tmp = tmp->above)
1708	if (tmp->type == PLAYER) {	1579	if (tmp->type == PLAYER)
		1580	{
1709	if (op->nrof)	1581	if (op->nrof)
1710	esrv_send_item(tmp, op);	1582	esrv_send_item (tmp, op);
1711	else	1583	else
1712	esrv_del_item(tmp->contr, op->count);	1584	esrv_del_item (tmp->contr, op->count);
1713	}	1585	}
1714	}	1586	}
1715		1587
1716	if (op->nrof) {	1588	if (op->nrof)
1717	return op;	1589	return op;
1718	} else {	1590	else
1719	free_object (op);	1591	{
		1592	op->destroy ();
1720	return NULL;	1593	return 0;
1721	}	1594	}
1722	}	1595	}
1723		1596
1724	/*	1597	/*
1725	* add_weight(object, weight) adds the specified weight to an object,	1598	* add_weight(object, weight) adds the specified weight to an object,
1726	* and also updates how much the environment(s) is/are carrying.	1599	* and also updates how much the environment(s) is/are carrying.
1727	*/	1600	*/
1728		1601
		1602	void
1729	void add_weight (object *op, signed long weight) {	1603	add_weight (object *op, signed long weight)
		1604	{
1730	while (op!=NULL) {	1605	while (op != NULL)
		1606	{
1731	if (op->type == CONTAINER) {	1607	if (op->type == CONTAINER)
1732	weight=(signed long)(weight*(100-op->stats.Str)/100);	1608	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1733	}	1609
1734	op->carrying+=weight;	1610	op->carrying += weight;
1735	op=op->env;	1611	op = op->env;
1736	}	1612	}
1737	}	1613	}
1738		1614
		1615	object *
		1616	insert_ob_in_ob (object *op, object *where)
		1617	{
		1618	if (!where)
		1619	{
		1620	char *dump = dump_object (op);
		1621	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1622	free (dump);
		1623	return op;
		1624	}
		1625
		1626	if (where->head)
		1627	{
		1628	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1629	where = where->head;
		1630	}
		1631
		1632	return where->insert (op);
		1633	}
		1634
1739	/*	1635	/*
1740	* insert_ob_in_ob(op,environment):	1636	* env->insert (op)
1741	* This function inserts the object op in the linked list	1637	* This function inserts the object op in the linked list
1742	* inside the object environment.	1638	* inside the object environment.
1743	*	1639	*
1744	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1745	* the inventory at the last position or next to other objects of the same
1746	* type.
1747	* Frank: Now sorted by type, archetype and magic!
1748	*
1749	* The function returns now pointer to inserted item, and return value can	1640	* The function returns now pointer to inserted item, and return value can
1750	* be != op, if items are merged. -Tero	1641	* be != op, if items are merged. -Tero
1751	*/	1642	*/
1752		1643
1753	object *insert_ob_in_ob(object *op,object *where) {	1644	object *
		1645	object::insert (object *op)
		1646	{
1754	object *tmp, *otmp;	1647	object *tmp, *otmp;
1755		1648
1756	if(!QUERY_FLAG(op,FLAG_REMOVED)) {	1649	if (!QUERY_FLAG (op, FLAG_REMOVED))
1757	dump_object(op);	1650	op->remove ();
1758	LOG(llevError,"Trying to insert (ob) inserted object.\n%s\n", errmsg);	1651
1759	return op;
1760	}
1761	if(where==NULL) {
1762	dump_object(op);
1763	LOG(llevError,"Trying to put object in NULL.\n%s\n", errmsg);
1764	return op;
1765	}
1766	if (where->head) {
1767	LOG(llevDebug,
1768	"Warning: Tried to insert object wrong part of multipart object.\n");
1769	where = where->head;
1770	}
1771	if (op->more) {	1652	if (op->more)
		1653	{
1772	LOG(llevError, "Tried to insert multipart object %s (%d)\n",	1654	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1773	&op->name, op->count);
1774	return op;	1655	return op;
1775	}	1656	}
		1657
1776	CLEAR_FLAG(op, FLAG_OBJ_ORIGINAL);	1658	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1777	CLEAR_FLAG(op, FLAG_REMOVED);	1659	CLEAR_FLAG (op, FLAG_REMOVED);
1778	if(op->nrof) {	1660	if (op->nrof)
		1661	{
1779	for(tmp=where->inv;tmp!=NULL;tmp=tmp->below)	1662	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1780	if ( CAN_MERGE(tmp,op) ) {	1663	if (object::can_merge (tmp, op))
		1664	{
1781	/* return the original object and remove inserted object	1665	/* return the original object and remove inserted object
1782	(client needs the original object) */	1666	(client needs the original object) */
1783	tmp->nrof += op->nrof;	1667	tmp->nrof += op->nrof;
1784	/* Weight handling gets pretty funky. Since we are adding to	1668	/* Weight handling gets pretty funky. Since we are adding to
1785	* tmp->nrof, we need to increase the weight.	1669	* tmp->nrof, we need to increase the weight.
1786	*/	1670	*/
1787	add_weight (where, op->weight*op->nrof);	1671	add_weight (this, op->weight * op->nrof);
1788	SET_FLAG(op, FLAG_REMOVED);	1672	SET_FLAG (op, FLAG_REMOVED);
1789	free_object(op); /* free the inserted object */	1673	op->destroy (); /* free the inserted object */
1790	op = tmp;	1674	op = tmp;
1791	remove_ob (op); /* and fix old object's links */	1675	op->remove (); /* and fix old object's links */
1792	CLEAR_FLAG(op, FLAG_REMOVED);	1676	CLEAR_FLAG (op, FLAG_REMOVED);
1793	break;	1677	break;
1794	}	1678	}
1795		1679
1796	/* I assume combined objects have no inventory	1680	/* I assume combined objects have no inventory
1797	* We add the weight - this object could have just been removed	1681	* We add the weight - this object could have just been removed
1798	* (if it was possible to merge). calling remove_ob will subtract	1682	* (if it was possible to merge). calling remove_ob will subtract
1799	* the weight, so we need to add it in again, since we actually do	1683	* the weight, so we need to add it in again, since we actually do
1800	* the linking below	1684	* the linking below
1801	*/	1685	*/
1802	add_weight (where, op->weight*op->nrof);	1686	add_weight (this, op->weight * op->nrof);
		1687	}
1803	} else	1688	else
1804	add_weight (where, (op->weight+op->carrying));	1689	add_weight (this, (op->weight + op->carrying));
1805		1690
1806	otmp=is_player_inv(where);	1691	otmp = this->in_player ();
1807	if (otmp&&otmp->contr!=NULL) {	1692	if (otmp && otmp->contr)
1808	if (!QUERY_FLAG(otmp,FLAG_NO_FIX_PLAYER))	1693	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1809	fix_player(otmp);	1694	otmp->update_stats ();
1810	}
1811		1695
1812	op->map=NULL;	1696	op->map = 0;
1813	op->env=where;	1697	op->env = this;
1814	op->above=NULL;	1698	op->above = 0;
1815	op->below=NULL;	1699	op->below = 0;
1816	op->x=0,op->y=0;	1700	op->x = 0, op->y = 0;
1817	op->ox=0,op->oy=0;
1818		1701
1819	/* reset the light list and los of the players on the map */	1702	/* reset the light list and los of the players on the map */
1820	if((op->glow_radius!=0)&&where->map)	1703	if ((op->glow_radius != 0) && map)
1821	{	1704	{
1822	#ifdef DEBUG_LIGHTS	1705	#ifdef DEBUG_LIGHTS
1823	LOG(llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n",	1706	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1824	op->name);
1825	#endif /* DEBUG_LIGHTS */	1707	#endif /* DEBUG_LIGHTS */
1826	if (MAP_DARKNESS(where->map)) update_all_los(where->map, where->x, where->y);	1708	if (MAP_DARKNESS (map))
		1709	update_all_los (map, x, y);
1827	}	1710	}
1828		1711
1829	/* Client has no idea of ordering so lets not bother ordering it here.	1712	/* Client has no idea of ordering so lets not bother ordering it here.
1830	* It sure simplifies this function...	1713	* It sure simplifies this function...
1831	*/	1714	*/
1832	if (where->inv==NULL)	1715	if (!inv)
1833	where->inv=op;	1716	inv = op;
1834	else {	1717	else
		1718	{
1835	op->below = where->inv;	1719	op->below = inv;
1836	op->below->above = op;	1720	op->below->above = op;
1837	where->inv = op;	1721	inv = op;
1838	}	1722	}
		1723
		1724	INVOKE_OBJECT (INSERT, this);
		1725
1839	return op;	1726	return op;
1840	}	1727	}
1841		1728
1842	/*	1729	/*
1843	* Checks if any objects has a move_type that matches objects	1730	* Checks if any objects has a move_type that matches objects
…		…
1858	* MSW 2001-07-08: Check all objects on space, not just those below	1745	* MSW 2001-07-08: Check all objects on space, not just those below
1859	* object being inserted. insert_ob_in_map may not put new objects	1746	* object being inserted. insert_ob_in_map may not put new objects
1860	* on top.	1747	* on top.
1861	*/	1748	*/
1862		1749
		1750	int
1863	int check_move_on (object *op, object *originator)	1751	check_move_on (object *op, object *originator)
1864	{	1752	{
1865	object *tmp;	1753	object *tmp;
1866	tag_t tag;
1867	mapstruct *m=op->map;	1754	maptile *m = op->map;
1868	int x=op->x, y=op->y;	1755	int x = op->x, y = op->y;
		1756
1869	MoveType move_on, move_slow, move_block;	1757	MoveType move_on, move_slow, move_block;
1870		1758
1871	if(QUERY_FLAG(op,FLAG_NO_APPLY))	1759	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1872	return 0;	1760	return 0;
1873		1761
1874	tag = op->count;
1875
1876	move_on = GET_MAP_MOVE_ON(op->map, op->x, op->y);	1762	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
1877	move_slow = GET_MAP_MOVE_SLOW(op->map, op->x, op->y);	1763	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
1878	move_block = GET_MAP_MOVE_BLOCK(op->map, op->x, op->y);	1764	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1879		1765
1880	/* if nothing on this space will slow op down or be applied,	1766	/* if nothing on this space will slow op down or be applied,
1881	* no need to do checking below. have to make sure move_type	1767	* no need to do checking below. have to make sure move_type
1882	* is set, as lots of objects don't have it set - we treat that	1768	* is set, as lots of objects don't have it set - we treat that
1883	* as walking.	1769	* as walking.
1884	*/	1770	*/
1885	if (op->move_type && !(op->move_type & move_on) && !(op->move_type & move_slow))	1771	if (op->move_type && !(op->move_type & move_on) && !(op->move_type & move_slow))
1886	return 0;	1772	return 0;
1887		1773
1888	/* This is basically inverse logic of that below - basically,	1774	/* This is basically inverse logic of that below - basically,
1889	* if the object can avoid the move on or slow move, they do so,	1775	* if the object can avoid the move on or slow move, they do so,
1890	* but can't do it if the alternate movement they are using is	1776	* but can't do it if the alternate movement they are using is
1891	* blocked. Logic on this seems confusing, but does seem correct.	1777	* blocked. Logic on this seems confusing, but does seem correct.
1892	*/	1778	*/
1893	if ((op->move_type & ~move_on & ~move_block) != 0 &&	1779	if ((op->move_type & ~move_on & ~move_block) != 0 && (op->move_type & ~move_slow & ~move_block) != 0)
1894	(op->move_type & ~move_slow & ~move_block) != 0) return 0;	1780	return 0;
1895		1781
1896	/* The objects have to be checked from top to bottom.	1782	/* The objects have to be checked from top to bottom.
1897	* Hence, we first go to the top:	1783	* Hence, we first go to the top:
1898	*/	1784	*/
1899		1785
1900	for (tmp=GET_MAP_OB(op->map, op->x, op->y); tmp!=NULL &&	1786	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)
1901	tmp->above!=NULL; tmp=tmp->above) {	1787	{
1902	/* Trim the search when we find the first other spell effect	1788	/* Trim the search when we find the first other spell effect
1903	* this helps performance so that if a space has 50 spell objects,	1789	* this helps performance so that if a space has 50 spell objects,
1904	* we don't need to check all of them.	1790	* we don't need to check all of them.
1905	*/	1791	*/
1906	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG(tmp, FLAG_NO_PICK)) break;	1792	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
		1793	break;
		1794	}
		1795
		1796	for (; tmp; tmp = tmp->below)
1907	}	1797	{
1908	for(;tmp!=NULL; tmp=tmp->below) {	1798	if (tmp == op)
1909	if (tmp == op) continue; /* Can't apply yourself */	1799	continue; /* Can't apply yourself */
1910		1800
1911	/* Check to see if one of the movement types should be slowed down.	1801	/* Check to see if one of the movement types should be slowed down.
1912	* Second check makes sure that the movement types not being slowed	1802	* Second check makes sure that the movement types not being slowed
1913	* (~slow_move) is not blocked on this space - just because the	1803	* (~slow_move) is not blocked on this space - just because the
1914	* space doesn't slow down swimming (for example), if you can't actually	1804	* space doesn't slow down swimming (for example), if you can't actually
1915	* swim on that space, can't use it to avoid the penalty.	1805	* swim on that space, can't use it to avoid the penalty.
1916	*/	1806	*/
1917	if (!QUERY_FLAG(op, FLAG_WIZPASS)) {	1807	if (!QUERY_FLAG (op, FLAG_WIZPASS))
		1808	{
1918	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1809	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1919	((op->move_type & tmp->move_slow) &&
1920	(op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0)) {	1810	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
		1811	{
1921		1812
1922	float diff;	1813	float
1923
1924	diff = tmp->move_slow_penalty*FABS(op->speed);	1814	diff = tmp->move_slow_penalty * FABS (op->speed);
		1815
1925	if (op->type == PLAYER) {	1816	if (op->type == PLAYER)
1926	if ((QUERY_FLAG(tmp, FLAG_IS_HILLY) && find_skill_by_number(op, SK_CLIMBING)) ||	1817	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1927	(QUERY_FLAG(tmp, FLAG_IS_WOODED) && find_skill_by_number(op, SK_WOODSMAN))) {	1818	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1928	diff /= 4.0;	1819	diff /= 4.0;
1929	}	1820
1930	}
1931	op->speed_left -= diff;	1821	op->speed_left -= diff;
1932	}	1822	}
1933	}	1823	}
1934		1824
1935	/* Basically same logic as above, except now for actual apply. */	1825	/* Basically same logic as above, except now for actual apply. */
1936	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1826	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1937	((op->move_type & tmp->move_on) &&
1938	(op->move_type & ~tmp->move_on & ~tmp->move_block)==0)) {	1827	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1939		1828	{
1940	move_apply(tmp, op, originator);	1829	move_apply (tmp, op, originator);
		1830
1941	if (was_destroyed (op, tag))	1831	if (op->destroyed ())
1942	return 1;	1832	return 1;
1943		1833
1944	/* what the person/creature stepped onto has moved the object	1834	/* what the person/creature stepped onto has moved the object
1945	* someplace new. Don't process any further - if we did,	1835	* someplace new. Don't process any further - if we did,
1946	* have a feeling strange problems would result.	1836	* have a feeling strange problems would result.
1947	*/	1837	*/
1948	if (op->map != m || op->x != x || op->y != y) return 0;	1838	if (op->map != m || op->x != x || op->y != y)
		1839	return 0;
1949	}	1840	}
1950	}	1841	}
		1842
1951	return 0;	1843	return 0;
1952	}	1844	}
1953		1845
1954	/*	1846	/*
1955	* present_arch(arch, map, x, y) searches for any objects with	1847	* present_arch(arch, map, x, y) searches for any objects with
1956	* a matching archetype at the given map and coordinates.	1848	* a matching archetype at the given map and coordinates.
1957	* The first matching object is returned, or NULL if none.	1849	* The first matching object is returned, or NULL if none.
1958	*/	1850	*/
1959		1851
		1852	object *
1960	object *present_arch(const archetype *at, mapstruct *m, int x, int y) {	1853	present_arch (const archetype *at, maptile *m, int x, int y)
		1854	{
1961	object *tmp;	1855	object *
		1856	tmp;
		1857
1962	if(m==NULL || out_of_map(m,x,y)) {	1858	if (m == NULL || out_of_map (m, x, y))
		1859	{
1963	LOG(llevError,"Present_arch called outside map.\n");	1860	LOG (llevError, "Present_arch called outside map.\n");
1964	return NULL;	1861	return NULL;
1965	}	1862	}
1966	for(tmp=GET_MAP_OB(m,x,y); tmp != NULL; tmp = tmp->above)	1863	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1967	if(tmp->arch == at)	1864	if (tmp->arch == at)
1968	return tmp;	1865	return tmp;
1969	return NULL;	1866	return NULL;
1970	}	1867	}
1971		1868
1972	/*	1869	/*
1973	* present(type, map, x, y) searches for any objects with	1870	* present(type, map, x, y) searches for any objects with
1974	* a matching type variable at the given map and coordinates.	1871	* a matching type variable at the given map and coordinates.
1975	* The first matching object is returned, or NULL if none.	1872	* The first matching object is returned, or NULL if none.
1976	*/	1873	*/
1977		1874
		1875	object *
1978	object *present(unsigned char type,mapstruct *m, int x,int y) {	1876	present (unsigned char type, maptile *m, int x, int y)
		1877	{
1979	object *tmp;	1878	object *
		1879	tmp;
		1880
1980	if(out_of_map(m,x,y)) {	1881	if (out_of_map (m, x, y))
		1882	{
1981	LOG(llevError,"Present called outside map.\n");	1883	LOG (llevError, "Present called outside map.\n");
1982	return NULL;	1884	return NULL;
1983	}	1885	}
1984	for(tmp=GET_MAP_OB(m,x,y);tmp!=NULL;tmp=tmp->above)	1886	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1985	if(tmp->type==type)	1887	if (tmp->type == type)
1986	return tmp;	1888	return tmp;
1987	return NULL;	1889	return NULL;
1988	}	1890	}
1989		1891
1990	/*	1892	/*
1991	* present_in_ob(type, object) searches for any objects with	1893	* present_in_ob(type, object) searches for any objects with
1992	* a matching type variable in the inventory of the given object.	1894	* a matching type variable in the inventory of the given object.
1993	* The first matching object is returned, or NULL if none.	1895	* The first matching object is returned, or NULL if none.
1994	*/	1896	*/
1995		1897
		1898	object *
1996	object *present_in_ob(unsigned char type, const object *op) {	1899	present_in_ob (unsigned char type, const object *op)
		1900	{
1997	object *tmp;	1901	object *
		1902	tmp;
		1903
1998	for(tmp=op->inv;tmp!=NULL;tmp=tmp->below)	1904	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)
1999	if(tmp->type==type)	1905	if (tmp->type == type)
2000	return tmp;	1906	return tmp;
2001	return NULL;	1907	return NULL;
2002	}	1908	}
2003		1909
2004	/*	1910	/*
…		…
2013	* str is the string to match against. Note that we match against	1919	* str is the string to match against. Note that we match against
2014	* the object name, not the archetype name. this is so that the	1920	* the object name, not the archetype name. this is so that the
2015	* spell code can use one object type (force), but change it's name	1921	* spell code can use one object type (force), but change it's name
2016	* to be unique.	1922	* to be unique.
2017	*/	1923	*/
2018		1924	object *
2019	object *present_in_ob_by_name(int type, const char *str, const object *op) {	1925	present_in_ob_by_name (int type, const char *str, const object *op)
		1926	{
2020	object *tmp;	1927	object *tmp;
2021		1928
2022	for(tmp=op->inv; tmp!=NULL; tmp=tmp->below) {	1929	for (tmp = op->inv; tmp; tmp = tmp->below)
2023	if ((type==-1 || tmp->type==type) && (!strcmp(str, tmp->name)))	1930	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2024	return tmp;	1931	return tmp;
2025	}	1932
2026	return NULL;	1933	return 0;
2027	}	1934	}
2028		1935
2029	/*	1936	/*
2030	* present_arch_in_ob(archetype, object) searches for any objects with	1937	* present_arch_in_ob(archetype, object) searches for any objects with
2031	* a matching archetype in the inventory of the given object.	1938	* a matching archetype in the inventory of the given object.
2032	* The first matching object is returned, or NULL if none.	1939	* The first matching object is returned, or NULL if none.
2033	*/	1940	*/
2034		1941	object *
2035	object *present_arch_in_ob(const archetype *at, const object *op) {	1942	present_arch_in_ob (const archetype *at, const object *op)
2036	object *tmp;	1943	{
2037	for(tmp=op->inv;tmp!=NULL;tmp=tmp->below)	1944	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2038	if( tmp->arch == at)	1945	if (tmp->arch == at)
2039	return tmp;	1946	return tmp;
		1947
2040	return NULL;	1948	return NULL;
2041	}	1949	}
2042		1950
2043	/*	1951	/*
2044	* activate recursively a flag on an object inventory	1952	* activate recursively a flag on an object inventory
2045	*/	1953	*/
		1954	void
2046	void flag_inv(object*op, int flag){	1955	flag_inv (object *op, int flag)
2047	object *tmp;	1956	{
2048	if(op->inv)	1957	if (op->inv)
2049	for(tmp = op->inv; tmp != NULL; tmp = tmp->below){	1958	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
		1959	{
2050	SET_FLAG(tmp, flag);	1960	SET_FLAG (tmp, flag);
2051	flag_inv(tmp,flag);	1961	flag_inv (tmp, flag);
2052	}	1962	}
		1963	}
		1964
2053	}/*	1965	/*
2054	* desactivate recursively a flag on an object inventory	1966	* deactivate recursively a flag on an object inventory
2055	*/	1967	*/
		1968	void
2056	void unflag_inv(object*op, int flag){	1969	unflag_inv (object *op, int flag)
2057	object *tmp;	1970	{
2058	if(op->inv)	1971	if (op->inv)
2059	for(tmp = op->inv; tmp != NULL; tmp = tmp->below){	1972	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
		1973	{
2060	CLEAR_FLAG(tmp, flag);	1974	CLEAR_FLAG (tmp, flag);
2061	unflag_inv(tmp,flag);	1975	unflag_inv (tmp, flag);
2062	}	1976	}
2063	}	1977	}
2064		1978
2065	/*	1979	/*
2066	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in	1980	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2067	* all it's inventory (recursively).	1981	* all it's inventory (recursively).
2068	* If checksums are used, a player will get set_cheat called for	1982	* If checksums are used, a player will get set_cheat called for
2069	* him/her-self and all object carried by a call to this function.	1983	* him/her-self and all object carried by a call to this function.
2070	*/	1984	*/
2071		1985	void
2072	void set_cheat(object *op) {	1986	set_cheat (object *op)
		1987	{
2073	SET_FLAG(op, FLAG_WAS_WIZ);	1988	SET_FLAG (op, FLAG_WAS_WIZ);
2074	flag_inv(op, FLAG_WAS_WIZ);	1989	flag_inv (op, FLAG_WAS_WIZ);
2075	}	1990	}
2076		1991
2077	/*	1992	/*
2078	* find_free_spot(object, map, x, y, start, stop) will search for	1993	* find_free_spot(object, map, x, y, start, stop) will search for
2079	* a spot at the given map and coordinates which will be able to contain	1994	* a spot at the given map and coordinates which will be able to contain
…		…
2093	* because arch_blocked (now ob_blocked) needs to know the movement type	2008	* because arch_blocked (now ob_blocked) needs to know the movement type
2094	* to know if the space in question will block the object. We can't use	2009	* to know if the space in question will block the object. We can't use
2095	* the archetype because that isn't correct if the monster has been	2010	* the archetype because that isn't correct if the monster has been
2096	* customized, changed states, etc.	2011	* customized, changed states, etc.
2097	*/	2012	*/
2098		2013	int
2099	int find_free_spot(const object *ob, mapstruct *m,int x,int y,int start,int stop) {	2014	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
		2015	{
2100	int i,index=0, flag;	2016	int index = 0, flag;
2101	static int altern[SIZEOFFREE];	2017	int altern[SIZEOFFREE];
2102		2018
2103	for(i=start;i<stop;i++) {	2019	for (int i = start; i < stop; i++)
		2020	{
2104	flag = ob_blocked(ob,m,x+freearr_x[i],y+freearr_y[i]);	2021	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2105	if(!flag)	2022	if (!flag)
2106	altern[index++]=i;	2023	altern [index++] = i;
2107		2024
2108	/* Basically, if we find a wall on a space, we cut down the search size.	2025	/* Basically, if we find a wall on a space, we cut down the search size.
2109	* In this way, we won't return spaces that are on another side of a wall.	2026	* In this way, we won't return spaces that are on another side of a wall.
2110	* This mostly work, but it cuts down the search size in all directions -	2027	* This mostly work, but it cuts down the search size in all directions -
2111	* if the space being examined only has a wall to the north and empty	2028	* if the space being examined only has a wall to the north and empty
2112	* spaces in all the other directions, this will reduce the search space	2029	* spaces in all the other directions, this will reduce the search space
2113	* to only the spaces immediately surrounding the target area, and	2030	* to only the spaces immediately surrounding the target area, and
2114	* won't look 2 spaces south of the target space.	2031	* won't look 2 spaces south of the target space.
2115	*/	2032	*/
2116	else if ((flag & AB_NO_PASS) && maxfree[i]<stop)	2033	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2117	stop=maxfree[i];	2034	stop = maxfree[i];
2118	}	2035	}
2119	if(!index) return -1;	2036
		2037	if (!index)
		2038	return -1;
		2039
2120	return altern[RANDOM()%index];	2040	return altern[RANDOM () % index];
2121	}	2041	}
2122		2042
2123	/*	2043	/*
2124	* find_first_free_spot(archetype, mapstruct, x, y) works like	2044	* find_first_free_spot(archetype, maptile, x, y) works like
2125	* find_free_spot(), but it will search max number of squares.	2045	* find_free_spot(), but it will search max number of squares.
2126	* But it will return the first available spot, not a random choice.	2046	* But it will return the first available spot, not a random choice.
2127	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2047	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2128	*/	2048	*/
2129		2049	int
2130	int find_first_free_spot(const object *ob, mapstruct *m,int x,int y) {	2050	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2131	int i;	2051	{
2132	for(i=0;i<SIZEOFFREE;i++) {	2052	for (int i = 0; i < SIZEOFFREE; i++)
2133	if(!ob_blocked(ob,m,x+freearr_x[i],y+freearr_y[i]))	2053	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2134	return i;	2054	return i;
2135	}	2055
2136	return -1;	2056	return -1;
2137	}	2057	}
2138		2058
2139	/*	2059	/*
2140	* The function permute(arr, begin, end) randomly reorders the array	2060	* The function permute(arr, begin, end) randomly reorders the array
2141	* arr[begin..end-1].	2061	* arr[begin..end-1].
		2062	* now uses a fisher-yates shuffle, old permute was broken
2142	*/	2063	*/
		2064	static void
2143	static void permute(int *arr, int begin, int end)	2065	permute (int *arr, int begin, int end)
2144	{	2066	{
2145	int i, j, tmp, len;	2067	arr += begin;
		2068	end -= begin;
2146		2069
2147	len = end-begin;	2070	while (--end)
2148	for(i = begin; i < end; i++)	2071	swap (arr [end], arr [RANDOM () % (end + 1)]);
2149	{
2150	j = begin+RANDOM()%len;
2151
2152	tmp = arr[i];
2153	arr[i] = arr[j];
2154	arr[j] = tmp;
2155	}
2156	}	2072	}
2157		2073
2158	/* new function to make monster searching more efficient, and effective!	2074	/* new function to make monster searching more efficient, and effective!
2159	* This basically returns a randomized array (in the passed pointer) of	2075	* This basically returns a randomized array (in the passed pointer) of
2160	* the spaces to find monsters. In this way, it won't always look for	2076	* the spaces to find monsters. In this way, it won't always look for
2161	* monsters to the north first. However, the size of the array passed	2077	* monsters to the north first. However, the size of the array passed
2162	* covers all the spaces, so within that size, all the spaces within	2078	* covers all the spaces, so within that size, all the spaces within
2163	* the 3x3 area will be searched, just not in a predictable order.	2079	* the 3x3 area will be searched, just not in a predictable order.
2164	*/	2080	*/
		2081	void
2165	void get_search_arr(int *search_arr)	2082	get_search_arr (int *search_arr)
2166	{	2083	{
2167	int i;	2084	int i;
2168		2085
2169	for(i = 0; i < SIZEOFFREE; i++)	2086	for (i = 0; i < SIZEOFFREE; i++)
2170	{
2171	search_arr[i] = i;	2087	search_arr[i] = i;
2172	}
2173		2088
2174	permute(search_arr, 1, SIZEOFFREE1+1);	2089	permute (search_arr, 1, SIZEOFFREE1 + 1);
2175	permute(search_arr, SIZEOFFREE1+1, SIZEOFFREE2+1);	2090	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2176	permute(search_arr, SIZEOFFREE2+1, SIZEOFFREE);	2091	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2177	}	2092	}
2178		2093
2179	/*	2094	/*
2180	* find_dir(map, x, y, exclude) will search some close squares in the	2095	* find_dir(map, x, y, exclude) will search some close squares in the
2181	* given map at the given coordinates for live objects.	2096	* given map at the given coordinates for live objects.
…		…
2186	* Perhaps incorrectly, but I'm making the assumption that exclude	2101	* Perhaps incorrectly, but I'm making the assumption that exclude
2187	* is actually want is going to try and move there. We need this info	2102	* is actually want is going to try and move there. We need this info
2188	* because we have to know what movement the thing looking to move	2103	* because we have to know what movement the thing looking to move
2189	* there is capable of.	2104	* there is capable of.
2190	*/	2105	*/
2191		2106	int
2192	int find_dir(mapstruct *m, int x, int y, object *exclude) {	2107	find_dir (maptile *m, int x, int y, object *exclude)
		2108	{
2193	int i,max=SIZEOFFREE, mflags;	2109	int i, max = SIZEOFFREE, mflags;
		2110
2194	sint16 nx, ny;	2111	sint16 nx, ny;
2195	object *tmp;	2112	object *tmp;
2196	mapstruct *mp;	2113	maptile *mp;
		2114
2197	MoveType blocked, move_type;	2115	MoveType blocked, move_type;
2198		2116
2199	if (exclude && exclude->head) {	2117	if (exclude && exclude->head)
		2118	{
2200	exclude = exclude->head;	2119	exclude = exclude->head;
2201	move_type = exclude->move_type;	2120	move_type = exclude->move_type;
2202	} else {	2121	}
		2122	else
		2123	{
2203	/* If we don't have anything, presume it can use all movement types. */	2124	/* If we don't have anything, presume it can use all movement types. */
2204	move_type=MOVE_ALL;	2125	move_type = MOVE_ALL;
		2126	}
		2127
		2128	for (i = 1; i < max; i++)
2205	}	2129	{
2206
2207	for(i=1;i<max;i++) {
2208	mp = m;	2130	mp = m;
2209	nx = x + freearr_x[i];	2131	nx = x + freearr_x[i];
2210	ny = y + freearr_y[i];	2132	ny = y + freearr_y[i];
2211		2133
2212	mflags = get_map_flags(m, &mp, nx, ny, &nx, &ny);	2134	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2135
2213	if (mflags & P_OUT_OF_MAP) {	2136	if (mflags & P_OUT_OF_MAP)
		2137	max = maxfree[i];
		2138	else
		2139	{
		2140	mapspace &ms = mp->at (nx, ny);
		2141
		2142	blocked = ms.move_block;
		2143
		2144	if ((move_type & blocked) == move_type)
2214	max = maxfree[i];	2145	max = maxfree[i];
2215	} else {
2216	blocked = GET_MAP_MOVE_BLOCK(mp, nx, ny);
2217
2218	if ((move_type & blocked) == move_type) {
2219	max=maxfree[i];
2220	} else if (mflags & P_IS_ALIVE) {	2146	else if (mflags & P_IS_ALIVE)
2221	for (tmp=GET_MAP_OB(mp,nx,ny); tmp!= NULL; tmp=tmp->above) {	2147	{
		2148	for (tmp = ms.bottom; tmp; tmp = tmp->above)
2222	if ((QUERY_FLAG(tmp,FLAG_MONSTER) || tmp->type==PLAYER) &&	2149	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2223	(tmp != exclude ||(tmp->head && tmp->head != exclude))) {	2150	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))
2224	break;	2151	break;
2225	}	2152
2226	}
2227	if(tmp) {	2153	if (tmp)
2228	return freedir[i];	2154	return freedir[i];
2229	}
2230	}	2155	}
2231	}	2156	}
2232	}	2157	}
		2158
2233	return 0;	2159	return 0;
2234	}	2160	}
2235		2161
2236	/*	2162	/*
2237	* distance(object 1, object 2) will return the square of the	2163	* distance(object 1, object 2) will return the square of the
2238	* distance between the two given objects.	2164	* distance between the two given objects.
2239	*/	2165	*/
2240		2166	int
2241	int distance(const object *ob1, const object *ob2) {	2167	distance (const object *ob1, const object *ob2)
2242	int i;	2168	{
2243	i= (ob1->x - ob2->x)*(ob1->x - ob2->x)+	2169	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2244	(ob1->y - ob2->y)*(ob1->y - ob2->y);
2245	return i;
2246	}	2170	}
2247		2171
2248	/*	2172	/*
2249	* find_dir_2(delta-x,delta-y) will return a direction in which	2173	* find_dir_2(delta-x,delta-y) will return a direction in which
2250	* an object which has subtracted the x and y coordinates of another	2174	* an object which has subtracted the x and y coordinates of another
2251	* object, needs to travel toward it.	2175	* object, needs to travel toward it.
2252	*/	2176	*/
2253		2177	int
2254	int find_dir_2(int x, int y) {	2178	find_dir_2 (int x, int y)
		2179	{
2255	int q;	2180	int q;
2256		2181
2257	if(y)	2182	if (y)
2258	q=x*100/y;	2183	q = x * 100 / y;
2259	else if (x)	2184	else if (x)
2260	q= -300*x;	2185	q = -300 * x;
2261	else	2186	else
2262	return 0;	2187	return 0;
2263		2188
2264	if(y>0) {	2189	if (y > 0)
		2190	{
2265	if(q < -242)	2191	if (q < -242)
2266	return 3 ;	2192	return 3;
2267	if (q < -41)	2193	if (q < -41)
2268	return 2 ;	2194	return 2;
2269	if (q < 41)	2195	if (q < 41)
2270	return 1 ;	2196	return 1;
2271	if (q < 242)	2197	if (q < 242)
2272	return 8 ;	2198	return 8;
2273	return 7 ;	2199	return 7;
2274	}	2200	}
2275		2201
2276	if (q < -242)	2202	if (q < -242)
2277	return 7 ;	2203	return 7;
2278	if (q < -41)	2204	if (q < -41)
2279	return 6 ;	2205	return 6;
2280	if (q < 41)	2206	if (q < 41)
2281	return 5 ;	2207	return 5;
2282	if (q < 242)	2208	if (q < 242)
2283	return 4 ;	2209	return 4;
2284		2210
2285	return 3 ;	2211	return 3;
2286	}	2212	}
2287		2213
2288	/*	2214	/*
2289	* absdir(int): Returns a number between 1 and 8, which represent	2215	* absdir(int): Returns a number between 1 and 8, which represent
2290	* the "absolute" direction of a number (it actually takes care of	2216	* the "absolute" direction of a number (it actually takes care of
2291	* "overflow" in previous calculations of a direction).	2217	* "overflow" in previous calculations of a direction).
2292	*/	2218	*/
2293		2219
		2220	int
2294	int absdir(int d) {	2221	absdir (int d)
2295	while(d<1) d+=8;	2222	{
2296	while(d>8) d-=8;	2223	while (d < 1)
		2224	d += 8;
		2225
		2226	while (d > 8)
		2227	d -= 8;
		2228
2297	return d;	2229	return d;
2298	}	2230	}
2299		2231
2300	/*	2232	/*
2301	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2233	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2302	* between two directions (which are expected to be absolute (see absdir())	2234	* between two directions (which are expected to be absolute (see absdir())
2303	*/	2235	*/
2304		2236
		2237	int
2305	int dirdiff(int dir1, int dir2) {	2238	dirdiff (int dir1, int dir2)
		2239	{
2306	int d;	2240	int d;
		2241
2307	d = abs(dir1 - dir2);	2242	d = abs (dir1 - dir2);
2308	if(d>4)	2243	if (d > 4)
2309	d = 8 - d;	2244	d = 8 - d;
		2245
2310	return d;	2246	return d;
2311	}	2247	}
2312		2248
2313	/* peterm:	2249	/* peterm:
2314	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2250	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2317	* This basically means that if direction is 15, then it could either go	2253	* This basically means that if direction is 15, then it could either go
2318	* direction 4, 14, or 16 to get back to where we are.	2254	* direction 4, 14, or 16 to get back to where we are.
2319	* Moved from spell_util.c to object.c with the other related direction	2255	* Moved from spell_util.c to object.c with the other related direction
2320	* functions.	2256	* functions.
2321	*/	2257	*/
2322
2323	int reduction_dir[SIZEOFFREE][3] = {	2258	int reduction_dir[SIZEOFFREE][3] = {
2324	{0,0,0}, /* 0 */	2259	{0, 0, 0}, /* 0 */
2325	{0,0,0}, /* 1 */	2260	{0, 0, 0}, /* 1 */
2326	{0,0,0}, /* 2 */	2261	{0, 0, 0}, /* 2 */
2327	{0,0,0}, /* 3 */	2262	{0, 0, 0}, /* 3 */
2328	{0,0,0}, /* 4 */	2263	{0, 0, 0}, /* 4 */
2329	{0,0,0}, /* 5 */	2264	{0, 0, 0}, /* 5 */
2330	{0,0,0}, /* 6 */	2265	{0, 0, 0}, /* 6 */
2331	{0,0,0}, /* 7 */	2266	{0, 0, 0}, /* 7 */
2332	{0,0,0}, /* 8 */	2267	{0, 0, 0}, /* 8 */
2333	{8,1,2}, /* 9 */	2268	{8, 1, 2}, /* 9 */
2334	{1,2,-1}, /* 10 */	2269	{1, 2, -1}, /* 10 */
2335	{2,10,12}, /* 11 */	2270	{2, 10, 12}, /* 11 */
2336	{2,3,-1}, /* 12 */	2271	{2, 3, -1}, /* 12 */
2337	{2,3,4}, /* 13 */	2272	{2, 3, 4}, /* 13 */
2338	{3,4,-1}, /* 14 */	2273	{3, 4, -1}, /* 14 */
2339	{4,14,16}, /* 15 */	2274	{4, 14, 16}, /* 15 */
2340	{5,4,-1}, /* 16 */	2275	{5, 4, -1}, /* 16 */
2341	{4,5,6}, /* 17 */	2276	{4, 5, 6}, /* 17 */
2342	{6,5,-1}, /* 18 */	2277	{6, 5, -1}, /* 18 */
2343	{6,20,18}, /* 19 */	2278	{6, 20, 18}, /* 19 */
2344	{7,6,-1}, /* 20 */	2279	{7, 6, -1}, /* 20 */
2345	{6,7,8}, /* 21 */	2280	{6, 7, 8}, /* 21 */
2346	{7,8,-1}, /* 22 */	2281	{7, 8, -1}, /* 22 */
2347	{8,22,24}, /* 23 */	2282	{8, 22, 24}, /* 23 */
2348	{8,1,-1}, /* 24 */	2283	{8, 1, -1}, /* 24 */
2349	{24,9,10}, /* 25 */	2284	{24, 9, 10}, /* 25 */
2350	{9,10,-1}, /* 26 */	2285	{9, 10, -1}, /* 26 */
2351	{10,11,-1}, /* 27 */	2286	{10, 11, -1}, /* 27 */
2352	{27,11,29}, /* 28 */	2287	{27, 11, 29}, /* 28 */
2353	{11,12,-1}, /* 29 */	2288	{11, 12, -1}, /* 29 */
2354	{12,13,-1}, /* 30 */	2289	{12, 13, -1}, /* 30 */
2355	{12,13,14}, /* 31 */	2290	{12, 13, 14}, /* 31 */
2356	{13,14,-1}, /* 32 */	2291	{13, 14, -1}, /* 32 */
2357	{14,15,-1}, /* 33 */	2292	{14, 15, -1}, /* 33 */
2358	{33,15,35}, /* 34 */	2293	{33, 15, 35}, /* 34 */
2359	{16,15,-1}, /* 35 */	2294	{16, 15, -1}, /* 35 */
2360	{17,16,-1}, /* 36 */	2295	{17, 16, -1}, /* 36 */
2361	{18,17,16}, /* 37 */	2296	{18, 17, 16}, /* 37 */
2362	{18,17,-1}, /* 38 */	2297	{18, 17, -1}, /* 38 */
2363	{18,19,-1}, /* 39 */	2298	{18, 19, -1}, /* 39 */
2364	{41,19,39}, /* 40 */	2299	{41, 19, 39}, /* 40 */
2365	{19,20,-1}, /* 41 */	2300	{19, 20, -1}, /* 41 */
2366	{20,21,-1}, /* 42 */	2301	{20, 21, -1}, /* 42 */
2367	{20,21,22}, /* 43 */	2302	{20, 21, 22}, /* 43 */
2368	{21,22,-1}, /* 44 */	2303	{21, 22, -1}, /* 44 */
2369	{23,22,-1}, /* 45 */	2304	{23, 22, -1}, /* 45 */
2370	{45,47,23}, /* 46 */	2305	{45, 47, 23}, /* 46 */
2371	{23,24,-1}, /* 47 */	2306	{23, 24, -1}, /* 47 */
2372	{24,9,-1}}; /* 48 */	2307	{24, 9, -1}
		2308	}; /* 48 */
2373		2309
2374	/* Recursive routine to step back and see if we can	2310	/* Recursive routine to step back and see if we can
2375	* find a path to that monster that we found. If not,	2311	* find a path to that monster that we found. If not,
2376	* we don't bother going toward it. Returns 1 if we	2312	* we don't bother going toward it. Returns 1 if we
2377	* can see a direct way to get it	2313	* can see a direct way to get it
2378	* Modified to be map tile aware -.MSW	2314	* Modified to be map tile aware -.MSW
2379	*/	2315	*/
2380		2316	int
2381
2382	int can_see_monsterP(mapstruct *m, int x, int y,int dir) {	2317	can_see_monsterP (maptile *m, int x, int y, int dir)
		2318	{
2383	sint16 dx, dy;	2319	sint16 dx, dy;
2384	int mflags;	2320	int mflags;
2385		2321
		2322	if (dir < 0)
2386	if(dir<0) return 0; /* exit condition: invalid direction */	2323	return 0; /* exit condition: invalid direction */
2387		2324
2388	dx = x + freearr_x[dir];	2325	dx = x + freearr_x[dir];
2389	dy = y + freearr_y[dir];	2326	dy = y + freearr_y[dir];
2390		2327
2391	mflags = get_map_flags(m, &m, dx, dy, &dx, &dy);	2328	mflags = get_map_flags (m, &m, dx, dy, &dx, &dy);
2392		2329
2393	/* This functional arguably was incorrect before - it was	2330	/* This functional arguably was incorrect before - it was
2394	* checking for P_WALL - that was basically seeing if	2331	* checking for P_WALL - that was basically seeing if
2395	* we could move to the monster - this is being more	2332	* we could move to the monster - this is being more
2396	* literal on if we can see it. To know if we can actually	2333	* literal on if we can see it. To know if we can actually
2397	* move to the monster, we'd need the monster passed in or	2334	* move to the monster, we'd need the monster passed in or
2398	* at least its move type.	2335	* at least its move type.
2399	*/	2336	*/
2400	if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW)) return 0;	2337	if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW))
		2338	return 0;
2401		2339
2402	/* yes, can see. */	2340	/* yes, can see. */
2403	if(dir < 9) return 1;	2341	if (dir < 9)
		2342	return 1;
		2343
2404	return can_see_monsterP(m, x, y, reduction_dir[dir][0]) |	2344	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2405	can_see_monsterP(m,x,y, reduction_dir[dir][1]) |	2345	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
2406	can_see_monsterP(m,x,y, reduction_dir[dir][2]);	2346	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2407	}	2347	}
2408		2348
2409
2410
2411	/*	2349	/*
2412	* can_pick(picker, item): finds out if an object is possible to be	2350	* can_pick(picker, item): finds out if an object is possible to be
2413	* picked up by the picker. Returnes 1 if it can be	2351	* picked up by the picker. Returnes 1 if it can be
2414	* picked up, otherwise 0.	2352	* picked up, otherwise 0.
2415	*	2353	*
…		…
2417	* core dumps if they do.	2355	* core dumps if they do.
2418	*	2356	*
2419	* Add a check so we can't pick up invisible objects (0.93.8)	2357	* Add a check so we can't pick up invisible objects (0.93.8)
2420	*/	2358	*/
2421		2359
		2360	int
2422	int can_pick(const object *who, const object *item) {	2361	can_pick (const object *who, const object *item)
		2362	{
2423	return /*QUERY_FLAG(who,FLAG_WIZ)||*/	2363	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2424	(item->weight>0&&!QUERY_FLAG(item,FLAG_NO_PICK)&&	2364	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2425	!QUERY_FLAG(item,FLAG_ALIVE)&&!item->invisible &&	2365	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2426	(who->type==PLAYER||item->weight<who->weight/3));
2427	}	2366	}
2428
2429		2367
2430	/*	2368	/*
2431	* create clone from object to another	2369	* create clone from object to another
2432	*/	2370	*/
		2371	object *
2433	object *object_create_clone (object *asrc) {	2372	object_create_clone (object *asrc)
		2373	{
2434	object *dst = NULL,*tmp,*src,*part,*prev, *item;	2374	object *dst = 0, *tmp, *src, *part, *prev, *item;
2435		2375
2436	if(!asrc) return NULL;	2376	if (!asrc)
		2377	return 0;
		2378
2437	src = asrc;	2379	src = asrc;
2438	if(src->head)	2380	if (src->head)
2439	src = src->head;	2381	src = src->head;
2440		2382
2441	prev = NULL;	2383	prev = 0;
2442	for(part = src; part; part = part->more) {	2384	for (part = src; part; part = part->more)
2443	tmp = get_object();	2385	{
2444	copy_object(part,tmp);	2386	tmp = part->clone ();
2445	tmp->x -= src->x;	2387	tmp->x -= src->x;
2446	tmp->y -= src->y;	2388	tmp->y -= src->y;
		2389
2447	if(!part->head) {	2390	if (!part->head)
		2391	{
2448	dst = tmp;	2392	dst = tmp;
2449	tmp->head = NULL;
2450	} else {
2451	tmp->head = dst;	2393	tmp->head = 0;
2452	}	2394	}
		2395	else
		2396	tmp->head = dst;
		2397
2453	tmp->more = NULL;	2398	tmp->more = 0;
		2399
2454	if(prev)	2400	if (prev)
2455	prev->more = tmp;	2401	prev->more = tmp;
		2402
2456	prev = tmp;	2403	prev = tmp;
2457	}	2404	}
2458	/*** copy inventory ***/	2405
2459	for(item = src->inv; item; item = item->below) {	2406	for (item = src->inv; item; item = item->below)
2460	(void) insert_ob_in_ob(object_create_clone(item),dst);	2407	insert_ob_in_ob (object_create_clone (item), dst);
2461	}
2462		2408
2463	return dst;	2409	return dst;
2464	}
2465
2466	/* return true if the object was destroyed, 0 otherwise */
2467	int was_destroyed (const object *op, tag_t old_tag)
2468	{
2469	/* checking for FLAG_FREED isn't necessary, but makes this function more
2470	* robust */
2471	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2472	}	2410	}
2473		2411
2474	/* GROS - Creates an object using a string representing its content. */	2412	/* GROS - Creates an object using a string representing its content. */
2475	/* Basically, we save the content of the string to a temp file, then call */	2413	/* Basically, we save the content of the string to a temp file, then call */
2476	/* load_object on it. I admit it is a highly inefficient way to make things, */	2414	/* load_object on it. I admit it is a highly inefficient way to make things, */
2477	/* but it was simple to make and allows reusing the load_object function. */	2415	/* but it was simple to make and allows reusing the load_object function. */
2478	/* Remember not to use load_object_str in a time-critical situation. */	2416	/* Remember not to use load_object_str in a time-critical situation. */
2479	/* Also remember that multiparts objects are not supported for now. */	2417	/* Also remember that multiparts objects are not supported for now. */
2480		2418	object *
2481	object* load_object_str(const char *obstr)	2419	load_object_str (const char *obstr)
2482	{	2420	{
2483	object *op;	2421	object *op;
2484	char filename[MAX_BUF];	2422	char filename[MAX_BUF];
		2423
2485	sprintf(filename,"%s/cfloadobstr2044",settings.tmpdir);	2424	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2486		2425
2487	FILE *tempfile=fopen(filename,"w");	2426	FILE *tempfile = fopen (filename, "w");
		2427
2488	if (tempfile == NULL)	2428	if (tempfile == NULL)
2489	{	2429	{
2490	LOG(llevError,"Error - Unable to access load object temp file\n");	2430	LOG (llevError, "Error - Unable to access load object temp file\n");
2491	return NULL;	2431	return NULL;
2492	};	2432	}
		2433
2493	fprintf(tempfile,obstr);	2434	fprintf (tempfile, obstr);
2494	fclose(tempfile);	2435	fclose (tempfile);
2495		2436
2496	op=get_object();	2437	op = object::create ();
2497		2438
2498	object_thawer thawer (filename);	2439	object_thawer thawer (filename);
		2440
2499	if (thawer)	2441	if (thawer)
2500	load_object(thawer,op,LO_NEWFILE,0);	2442	load_object (thawer, op, 0);
		2443
2501	LOG(llevDebug," load str completed, object=%s\n", &op->name);	2444	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2502	CLEAR_FLAG(op,FLAG_REMOVED);	2445	CLEAR_FLAG (op, FLAG_REMOVED);
2503		2446
2504	return op;	2447	return op;
2505	}	2448	}
2506		2449
2507	/* This returns the first object in who's inventory that	2450	/* This returns the first object in who's inventory that
2508	* has the same type and subtype match.	2451	* has the same type and subtype match.
2509	* returns NULL if no match.	2452	* returns NULL if no match.
2510	*/	2453	*/
		2454	object *
2511	object *find_obj_by_type_subtype(const object *who, int type, int subtype)	2455	find_obj_by_type_subtype (const object *who, int type, int subtype)
2512	{	2456	{
2513	object *tmp;
2514
2515	for (tmp=who->inv; tmp; tmp=tmp->below)	2457	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2516	if (tmp->type == type && tmp->subtype == subtype) return tmp;	2458	if (tmp->type == type && tmp->subtype == subtype)
		2459	return tmp;
2517		2460
2518	return NULL;	2461	return 0;
2519	}	2462	}
2520		2463
2521	/* If ob has a field named key, return the link from the list,	2464	/* If ob has a field named key, return the link from the list,
2522	* otherwise return NULL.	2465	* otherwise return NULL.
2523	*	2466	*
2524	* key must be a passed in shared string - otherwise, this won't	2467	* key must be a passed in shared string - otherwise, this won't
2525	* do the desired thing.	2468	* do the desired thing.
2526	*/	2469	*/
		2470	key_value *
2527	key_value * get_ob_key_link(const object * ob, const char * key) {	2471	get_ob_key_link (const object *ob, const char *key)
2528	key_value * link;	2472	{
2529
2530	for (link = ob->key_values; link != NULL; link = link->next) {	2473	for (key_value *link = ob->key_values; link; link = link->next)
2531	if (link->key == key) {	2474	if (link->key == key)
2532	return link;	2475	return link;
2533	}	2476
2534	}	2477	return 0;
2535		2478	}
2536	return NULL;
2537	}
2538		2479
2539	/*	2480	/*
2540	* Returns the value of op has an extra_field for key, or NULL.	2481	* Returns the value of op has an extra_field for key, or NULL.
2541	*	2482	*
2542	* The argument doesn't need to be a shared string.	2483	* The argument doesn't need to be a shared string.
2543	*	2484	*
2544	* The returned string is shared.	2485	* The returned string is shared.
2545	*/	2486	*/
		2487	const char *
2546	const char * get_ob_key_value(const object * op, const char * const key) {	2488	get_ob_key_value (const object *op, const char *const key)
		2489	{
2547	key_value * link;	2490	key_value *link;
2548	const char * canonical_key;	2491	shstr_cmp canonical_key (key);
		2492
		2493	if (!canonical_key)
2549		2494	{
2550	canonical_key = shstr::find (key);
2551
2552	if (canonical_key == NULL) {
2553	/* 1. There being a field named key on any object	2495	/* 1. There being a field named key on any object
2554	* implies there'd be a shared string to find.	2496	* implies there'd be a shared string to find.
2555	* 2. Since there isn't, no object has this field.	2497	* 2. Since there isn't, no object has this field.
2556	* 3. Therefore, *this* object doesn't have this field.	2498	* 3. Therefore, *this* object doesn't have this field.
2557	*/	2499	*/
2558	return NULL;	2500	return 0;
2559	}	2501	}
2560		2502
2561	/* This is copied from get_ob_key_link() above -	2503	/* This is copied from get_ob_key_link() above -
2562	* only 4 lines, and saves the function call overhead.	2504	* only 4 lines, and saves the function call overhead.
2563	*/	2505	*/
2564	for (link = op->key_values; link != NULL; link = link->next) {	2506	for (link = op->key_values; link; link = link->next)
2565	if (link->key == canonical_key) {	2507	if (link->key == canonical_key)
2566	return link->value;	2508	return link->value;
2567	}	2509
2568	}	2510	return 0;
2569	return NULL;
2570	}	2511	}
2571		2512
2572		2513
2573	/*	2514	/*
2574	* Updates the canonical_key in op to value.	2515	* Updates the canonical_key in op to value.
…		…
2578	* Unless add_key is TRUE, it won't add fields, only change the value of existing	2519	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2579	* keys.	2520	* keys.
2580	*	2521	*
2581	* Returns TRUE on success.	2522	* Returns TRUE on success.
2582	*/	2523	*/
		2524	int
2583	int set_ob_key_value_s(object * op, const shstr &canonical_key, const char * value, int add_key) {	2525	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
		2526	{
2584	key_value * field = NULL, *last=NULL;	2527	key_value *field = NULL, *last = NULL;
2585		2528
2586	for (field=op->key_values; field != NULL; field=field->next) {	2529	for (field = op->key_values; field != NULL; field = field->next)
		2530	{
2587	if (field->key != canonical_key) {	2531	if (field->key != canonical_key)
		2532	{
2588	last = field;	2533	last = field;
2589	continue;	2534	continue;
2590	}	2535	}
2591		2536
2592	if (value)	2537	if (value)
2593	field->value = value;	2538	field->value = value;
2594	else {	2539	else
		2540	{
2595	/* Basically, if the archetype has this key set,	2541	/* Basically, if the archetype has this key set,
2596	* we need to store the null value so when we save	2542	* we need to store the null value so when we save
2597	* it, we save the empty value so that when we load,	2543	* it, we save the empty value so that when we load,
2598	* we get this value back again.	2544	* we get this value back again.
2599	*/	2545	*/
2600	if (get_ob_key_link (&op->arch->clone, canonical_key))	2546	if (get_ob_key_link (&op->arch->clone, canonical_key))
2601	field->value = 0;	2547	field->value = 0;
		2548	else
		2549	{
		2550	if (last)
		2551	last->next = field->next;
2602	else	2552	else
2603	{
2604	if (last) last->next = field->next;
2605	else op->key_values = field->next;	2553	op->key_values = field->next;
2606		2554
2607	delete field;	2555	delete field;
2608	}	2556	}
2609	}	2557	}
2610	return TRUE;	2558	return TRUE;
2611	}	2559	}
2612	/* IF we get here, key doesn't exist */	2560	/* IF we get here, key doesn't exist */
2613		2561
2614	/* No field, we'll have to add it. */	2562	/* No field, we'll have to add it. */
2615		2563
2616	if (!add_key) {	2564	if (!add_key)
2617	return FALSE;	2565	return FALSE;
2618	}	2566
2619	/* There isn't any good reason to store a null	2567	/* There isn't any good reason to store a null
2620	* value in the key/value list. If the archetype has	2568	* value in the key/value list. If the archetype has
2621	* this key, then we should also have it, so shouldn't	2569	* this key, then we should also have it, so shouldn't
2622	* be here. If user wants to store empty strings,	2570	* be here. If user wants to store empty strings,
2623	* should pass in ""	2571	* should pass in ""
2624	*/	2572	*/
2625	if (value == NULL) return TRUE;	2573	if (value == NULL)
2626
2627	field = new key_value;
2628
2629	field->key = canonical_key;
2630	field->value = value;
2631	/* Usual prepend-addition. */
2632	field->next = op->key_values;
2633	op->key_values = field;
2634
2635	return TRUE;	2574	return TRUE;
		2575
		2576	field = new key_value;
		2577
		2578	field->key = canonical_key;
		2579	field->value = value;
		2580	/* Usual prepend-addition. */
		2581	field->next = op->key_values;
		2582	op->key_values = field;
		2583
		2584	return TRUE;
2636	}	2585	}
2637		2586
2638	/*	2587	/*
2639	* Updates the key in op to value.	2588	* Updates the key in op to value.
2640	*	2589	*
…		…
2642	* and not add new ones.	2591	* and not add new ones.
2643	* In general, should be little reason FALSE is ever passed in for add_key	2592	* In general, should be little reason FALSE is ever passed in for add_key
2644	*	2593	*
2645	* Returns TRUE on success.	2594	* Returns TRUE on success.
2646	*/	2595	*/
		2596	int
2647	int set_ob_key_value(object * op, const char *key, const char * value, int add_key)	2597	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2648	{	2598	{
2649	shstr key_ (key);	2599	shstr key_ (key);
		2600
2650	return set_ob_key_value_s (op, key_, value, add_key);	2601	return set_ob_key_value_s (op, key_, value, add_key);
2651	}	2602	}
		2603
		2604	object::depth_iterator::depth_iterator (object *container)
		2605	: iterator_base (container)
		2606	{
		2607	while (item->inv)
		2608	item = item->inv;
		2609	}
		2610
		2611	void
		2612	object::depth_iterator::next ()
		2613	{
		2614	if (item->below)
		2615	{
		2616	item = item->below;
		2617
		2618	while (item->inv)
		2619	item = item->inv;
		2620	}
		2621	else
		2622	item = item->env;
		2623	}
		2624
		2625	// return a suitable string describing an objetc in enough detail to find it
		2626	const char *
		2627	object::debug_desc (char *info) const
		2628	{
		2629	char info2[256 * 3];
		2630	char *p = info;
		2631
		2632	p += snprintf (p, 256, "%d=\"%s%s%s\"",
		2633	count,
		2634	&name,
		2635	title ? " " : "",
		2636	title ? (const char *)title : "");
		2637
		2638	if (env)
		2639	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2640
		2641	if (map)
		2642	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);
		2643
		2644	return info;
		2645	}
		2646
		2647	const char *
		2648	object::debug_desc () const
		2649	{
		2650	static char info[256 * 3];
		2651	return debug_desc (info);
		2652	}
		2653

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