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Comparing deliantra/server/common/object.C (file contents):
Revision 1.118 by root, Thu Jan 18 19:42:09 2007 UTC vs.
Revision 1.213 by root, Tue Apr 22 01:18:10 2008 UTC

1	/*	1	/*
2	* CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	* (at your option) any later version.	11	* (at your option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	*	20	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	22	*/
24		23
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	24	#include <global.h>
29	#include <stdio.h>	25	#include <stdio.h>
30	#include <sys/types.h>	26	#include <sys/types.h>
31	#include <sys/uio.h>	27	#include <sys/uio.h>
32	#include <object.h>	28	#include <object.h>
33	#include <funcpoint.h>	29	#include <sproto.h>
34	#include <loader.h>	30	#include <loader.h>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	int nrofallocobjects = 0;	34	UUID UUID::cur;
39	static UUID uuid;	35	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
41		37
42	objectvec objects;	38	objectvec objects;
43	activevec actives;	39	activevec actives;
44		40
45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	41	short freearr_x[SIZEOFFREE] = {
		42	0,
		43	0, 1, 1, 1, 0, -1, -1, -1,
		44	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	45	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
47	};	46	};
48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	47	short freearr_y[SIZEOFFREE] = {
		48	0,
		49	-1, -1, 0, 1, 1, 1, 0, -1,
		50	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
49	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	51	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50	};	52	};
51	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,	53	int maxfree[SIZEOFFREE] = {
		54	0,
		55	9, 10, 13, 14, 17, 18, 21, 22,
		56	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
52	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	57	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
53	};	58	};
54	int freedir[SIZEOFFREE] = {	59	int freedir[SIZEOFFREE] = {
55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	60	0,
		61	1, 2, 3, 4, 5, 6, 7, 8,
		62	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	63	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
57	};	64	};
58		65
59	static void	66	static void
60	write_uuid (void)	67	write_uuid (uval64 skip, bool sync)
61	{	68	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	69	CALL_BEGIN (2);
63		70	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	71	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	72	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		73	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	74	}
79		75
80	static void	76	static void
81	read_uuid (void)	77	read_uuid (void)
82	{	78	{
83	char filename[MAX_BUF];	79	char filename[MAX_BUF];
84		80
85	sprintf (filename, "%s/uuid", settings.localdir);	81	sprintf (filename, "%s/uuid", settings.localdir);
86		82
		83	seq_next_save = 0;
		84
87	FILE *fp;	85	FILE *fp;
88		86
89	if (!(fp = fopen (filename, "r")))	87	if (!(fp = fopen (filename, "r")))
90	{	88	{
91	if (errno == ENOENT)	89	if (errno == ENOENT)
92	{	90	{
93	LOG (llevInfo, "RESET uid to 1\n");	91	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	92	UUID::cur.seq = 0;
95	write_uuid ();	93	write_uuid (UUID_GAP, true);
96	return;	94	return;
97	}	95	}
98		96
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	98	_exit (1);
101	}	99	}
102		100
103	int version;	101	UUID::BUF buf;
104	unsigned long long uid;	102	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	103	fgets (buf, sizeof (buf), fp);
		104
		105	if (!UUID::cur.parse (buf))
106	{	106	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	107	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	108	_exit (1);
109	}	109	}
110		110
111	uuid.seq = uid;	111	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	112
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	113	write_uuid (UUID_GAP, true);
114	fclose (fp);	114	fclose (fp);
115	}	115	}
116		116
117	UUID	117	UUID
118	gen_uuid ()	118	UUID::gen ()
119	{	119	{
120	UUID uid;	120	UUID uid;
121		121
122	uid.seq = ++uuid.seq;	122	uid.seq = ++cur.seq;
123		123
124	if (!(uuid.seq & (UUID_SKIP - 1)))	124	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	125	{
		126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		127	write_uuid (UUID_GAP, false);
		128	}
		129
126		130
127	return uid;	131	return uid;
128	}	132	}
129		133
130	void	134	void
131	init_uuid ()	135	UUID::init ()
132	{	136	{
133	read_uuid ();	137	read_uuid ();
134	}	138	}
135		139
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	140	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	141	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	142	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	143	{
140	key_value *wants_field;	144	key_value *wants_field;
141		145
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	146	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both
…		…
150	key_value *has_field;	154	key_value *has_field;
151		155
152	/* Look for a field in has with the same key. */	156	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);	157	has_field = get_ob_key_link (has, wants_field->key);
154		158
155	if (has_field == NULL)	159	if (!has_field)
156	{
157	/* No field with that name. */	160	return 0; /* No field with that name. */
158	return FALSE;
159	}
160		161
161	/* Found the matching field. */	162	/* Found the matching field. */
162	if (has_field->value != wants_field->value)	163	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */	164	return 0; /* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167		165
168	/* 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. */
169	}	167	}
170		168
171	/* 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. */
172	return TRUE;	170	return 1;
173	}	171	}
174		172
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	173	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	174	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	175	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	176	{
179	/* 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,
180	* so we need to run the comparison *twice*. :(	178	* so we need to run the comparison *twice*. :(
181	*/	179	*/
…		…
202	|| ob1->speed != ob2->speed	200	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	201	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	202	|| ob1->name != ob2->name)
205	return 0;	203	return 0;
206		204
207	//TODO: this ain't working well, use nicer and correct overflow check	205	/* Do not merge objects if nrof would overflow. First part checks
208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	206	* for unsigned overflow (2c), second part checks whether the result
209	* value could not be stored in a sint32 (which unfortunately sometimes is	207	* would fit into a 32 bit signed int, which is often used to hold
210	* used to store nrof).	208	* nrof values.
211	*/	209	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)	210	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
213	return 0;	211	return 0;
214		212
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	213	/* If the objects have been identified, set the BEEN_APPLIED flag.
216	* This is to the comparison of the flags below will be OK. We	214	* This is to the comparison of the flags below will be OK. We
217	* just can't ignore the been applied or identified flags, as they	215	* just can't ignore the been applied or identified flags, as they
218	* are not equal - just if it has been identified, the been_applied	216	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	217	* flags lose any meaning.
220	*/	218	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		221
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		224
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	225	if (ob1->arch->name != ob2->arch->name
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	226	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	227	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	228	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	229	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	230	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	231	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	232	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	233	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	234	|| ob1->value != ob2->value
…		…
246	|| ob1->move_block != ob2->move_block	241	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	242	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	243	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	244	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	245	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	246	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		247	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		248	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	249	return 0;
253		250
		251	if ((ob1->flag ^ ob2->flag)
		252	.reset (FLAG_INV_LOCKED)
		253	.reset (FLAG_CLIENT_SENT)
		254	.reset (FLAG_REMOVED)
		255	.any ())
		256	return 0;
		257
254	/* This is really a spellbook check - really, we should	258	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	259	* not merge objects with real inventories, as splitting them
		260	* is hard.
256	*/	261	*/
257	if (ob1->inv || ob2->inv)	262	if (ob1->inv || ob2->inv)
258	{	263	{
259	/* if one object has inventory but the other doesn't, not equiv */	264	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	265	return 0; /* inventories differ in length */
261	return 0;
262		266
263	/* Now check to see if the two inventory objects could merge */	267	if (ob1->inv->below || ob2->inv->below)
		268	return 0; /* more than one object in inv */
		269
264	if (!object::can_merge (ob1->inv, ob2->inv))	270	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	271	return 0; /* inventory objects differ */
266		272
267	/* inventory ok - still need to check rest of this object to see	273	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	274	* if it is valid.
269	*/	275	*/
270	}	276	}
…		…
289	if (ob1->level != ob2->level)	295	if (ob1->level != ob2->level)
290	return 0;	296	return 0;
291	break;	297	break;
292	}	298	}
293		299
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	300	if (ob1->key_values || ob2->key_values)
295	{	301	{
296	/* At least one of these has key_values. */	302	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	303	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	304	return 0; /* One has fields, but the other one doesn't. */
		305
		306	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	307	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	308	}
303		309
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	310	if (ob1->self || ob2->self)
306	{	311	{
307	ob1->optimise ();	312	ob1->optimise ();
308	ob2->optimise ();	313	ob2->optimise ();
309		314
310	if (ob1->self || ob2->self)	315	if (ob1->self || ob2->self)
		316	{
		317	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		318	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		319
		320	if (k1 != k2)
311	return 0;	321	return 0;
		322
		323	if (k1 == 0)
		324	return 1;
		325
		326	if (!cfperl_can_merge (ob1, ob2))
		327	return 0;
		328	}
312	}	329	}
313		330
314	/* Everything passes, must be OK. */	331	/* Everything passes, must be OK. */
315	return 1;	332	return 1;
316	}	333	}
317		334
		335	// adjust weight per container type ("of holding")
		336	static sint32
		337	weight_adjust (object *op, sint32 weight)
		338	{
		339	return op->type == CONTAINER
		340	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		341	: weight;
		342	}
		343
318	/*	344	/*
		345	* adjust_weight(object, weight) adds the specified weight to an object,
		346	* and also updates how much the environment(s) is/are carrying.
		347	*/
		348	static void
		349	adjust_weight (object *op, sint32 weight)
		350	{
		351	while (op)
		352	{
		353	weight = weight_adjust (op, weight);
		354
		355	if (!weight)
		356	return;
		357
		358	op->carrying += weight;
		359
		360	if (object *pl = op->visible_to ())
		361	esrv_update_item (UPD_WEIGHT, pl, op);
		362
		363	op = op->env;
		364	}
		365	}
		366
		367	/*
319	* sum_weight() is a recursive function which calculates the weight	368	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	369	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	370	* containers are carrying, and sums it up.
322	*/	371	*/
323	long	372	void
324	sum_weight (object *op)	373	object::update_weight ()
325	{	374	{
326	long sum;	375	sint32 sum = 0;
327	object *inv;
328		376
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	377	for (object *op = inv; op; op = op->below)
330	{	378	{
331	if (inv->inv)	379	if (op->inv)
332	sum_weight (inv);	380	op->update_weight ();
333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	381
		382	sum += op->total_weight ();
		383	}
		384
		385	sum = weight_adjust (this, sum);
		386
		387	if (sum != carrying)
334	}	388	{
335
336	if (op->type == CONTAINER && op->stats.Str)
337	sum = (sum * (100 - op->stats.Str)) / 100;
338
339	if (op->carrying != sum)
340	op->carrying = sum;	389	carrying = sum;
341		390
342	return sum;	391	if (object *pl = visible_to ())
		392	esrv_update_item (UPD_WEIGHT, pl, this);
		393	}
343	}	394	}
344		395
345	/**	396	/*
346	* Return the outermost environment object for a given object.	397	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/	398	*/
348
349	object *
350	object_get_env_recursive (object *op)
351	{
352	while (op->env != NULL)
353	op = op->env;
354	return op;
355	}
356
357	/*
358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
359	* Some error messages.
360	* The result of the dump is stored in the static global errmsg array.
361	*/
362
363	char *	399	char *
364	dump_object (object *op)	400	dump_object (object *op)
365	{	401	{
366	if (!op)	402	if (!op)
367	return strdup ("[NULLOBJ]");	403	return strdup ("[NULLOBJ]");
368		404
369	object_freezer freezer;	405	object_freezer freezer;
370	save_object (freezer, op, 1);	406	op->write (freezer);
371	return freezer.as_string ();	407	return freezer.as_string ();
372	}	408	}
373		409
374	/*	410	/*
375	* get_nearest_part(multi-object, object 2) returns the part of the	411	* get_nearest_part(multi-object, object 2) returns the part of the
376	* multi-object 1 which is closest to the second object.	412	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.	413	* If it's not a multi-object, it is returned.
378	*/	414	*/
379
380	object *	415	object *
381	get_nearest_part (object *op, const object *pl)	416	get_nearest_part (object *op, const object *pl)
382	{	417	{
383	object *tmp, *closest;	418	object *tmp, *closest;
384	int last_dist, i;	419	int last_dist, i;
385		420
386	if (op->more == NULL)	421	if (!op->more)
387	return op;	422	return op;
		423
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	424	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		425	tmp;
		426	tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)	427	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;	428	closest = tmp, last_dist = i;
		429
391	return closest;	430	return closest;
392	}	431	}
393		432
394	/*	433	/*
395	* Returns the object which has the count-variable equal to the argument.	434	* Returns the object which has the count-variable equal to the argument.
		435	* VERRRY slow.
396	*/	436	*/
397	object *	437	object *
398	find_object (tag_t i)	438	find_object (tag_t i)
399	{	439	{
400	for_all_objects (op)	440	for_all_objects (op)
…		…
420	break;	460	break;
421		461
422	return op;	462	return op;
423	}	463	}
424		464
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}
430
431	/*	465	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	466	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	467	* skill and experience objects.
		468	* ACTUALLY NO! investigate! TODO
434	*/	469	*/
435	void	470	void
436	object::set_owner (object *owner)	471	object::set_owner (object *owner)
437	{	472	{
		473	// allow objects which own objects
438	if (!owner)	474	if (owner)
439	return;
440
441	/* next line added to allow objects which own objects */
442	/* Add a check for ownercounts in here, as I got into an endless loop
443	* with the fireball owning a poison cloud which then owned the
444	* fireball. I believe that was caused by one of the objects getting
445	* freed and then another object replacing it. Since the ownercounts
446	* didn't match, this check is valid and I believe that cause is valid.
447	*/
448	while (owner->owner)	475	while (owner->owner)
449	owner = owner->owner;	476	owner = owner->owner;
		477
		478	if (flag [FLAG_FREED])
		479	{
		480	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		481	return;
		482	}
450		483
451	this->owner = owner;	484	this->owner = owner;
		485	}
		486
		487	int
		488	object::slottype () const
		489	{
		490	if (type == SKILL)
		491	{
		492	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		493	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		494	}
		495	else
		496	{
		497	if (slot [body_combat].info) return slot_combat;
		498	if (slot [body_range ].info) return slot_ranged;
		499	}
		500
		501	return slot_none;
		502	}
		503
		504	bool
		505	object::change_weapon (object *ob)
		506	{
		507	if (current_weapon == ob)
		508	return true;
		509
		510	if (chosen_skill)
		511	chosen_skill->flag [FLAG_APPLIED] = false;
		512
		513	current_weapon = ob;
		514	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		515
		516	if (chosen_skill)
		517	chosen_skill->flag [FLAG_APPLIED] = true;
		518
		519	update_stats ();
		520
		521	if (ob)
		522	{
		523	// now check wether any body locations became invalid, in which case
		524	// we cannot apply the weapon at the moment.
		525	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		526	if (slot[i].used < 0)
		527	{
		528	current_weapon = chosen_skill = 0;
		529	update_stats ();
		530
		531	new_draw_info_format (NDI_UNIQUE, 0, this,
		532	"You try to balance all your items at once, "
		533	"but the %s is just too much for your body. "
		534	"[You need to unapply some items first.]", &ob->name);
		535	return false;
		536	}
		537
		538	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		539	}
		540	else
		541	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		542
		543	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		544	{
		545	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		546	&name, ob->debug_desc ());
		547	return false;
		548	}
		549
		550	return true;
452	}	551	}
453		552
454	/* Zero the key_values on op, decrementing the shared-string	553	/* Zero the key_values on op, decrementing the shared-string
455	* refcounts and freeing the links.	554	* refcounts and freeing the links.
456	*/	555	*/
457	static void	556	static void
458	free_key_values (object *op)	557	free_key_values (object *op)
459	{	558	{
460	for (key_value *i = op->key_values; i != 0;)	559	for (key_value *i = op->key_values; i; )
461	{	560	{
462	key_value *next = i->next;	561	key_value *next = i->next;
463	delete i;	562	delete i;
464		563
465	i = next;	564	i = next;
466	}	565	}
467		566
468	op->key_values = 0;	567	op->key_values = 0;
469	}	568	}
470		569
471	/*	570	object &
472	* copy_to first frees everything allocated by the dst object,	571	object::operator =(const object &src)
473	* and then copies the contents of itself into the second
474	* object, allocating what needs to be allocated. Basically, any
475	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
476	* if the first object is freed, the pointers in the new object
477	* will point at garbage.
478	*/
479	void
480	object::copy_to (object *dst)
481	{	572	{
482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	573	bool is_freed = flag [FLAG_FREED];
483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);	574	bool is_removed = flag [FLAG_REMOVED];
484		575
485	*(object_copy *)dst = *this;	576	*(object_copy *)this = src;
486		577
487	if (is_freed)	578	flag [FLAG_FREED] = is_freed;
488	SET_FLAG (dst, FLAG_FREED);	579	flag [FLAG_REMOVED] = is_removed;
489
490	if (is_removed)
491	SET_FLAG (dst, FLAG_REMOVED);
492
493	if (speed < 0)
494	dst->speed_left = speed_left - rndm ();
495		580
496	/* Copy over key_values, if any. */	581	/* Copy over key_values, if any. */
497	if (key_values)	582	if (src.key_values)
498	{	583	{
499	key_value *tail = 0;	584	key_value *tail = 0;
500	key_value *i;
501
502	dst->key_values = 0;	585	key_values = 0;
503		586
504	for (i = key_values; i; i = i->next)	587	for (key_value *i = src.key_values; i; i = i->next)
505	{	588	{
506	key_value *new_link = new key_value;	589	key_value *new_link = new key_value;
507		590
508	new_link->next = 0;	591	new_link->next = 0;
509	new_link->key = i->key;	592	new_link->key = i->key;
510	new_link->value = i->value;	593	new_link->value = i->value;
511		594
512	/* Try and be clever here, too. */	595	/* Try and be clever here, too. */
513	if (!dst->key_values)	596	if (!key_values)
514	{	597	{
515	dst->key_values = new_link;	598	key_values = new_link;
516	tail = new_link;	599	tail = new_link;
517	}	600	}
518	else	601	else
519	{	602	{
520	tail->next = new_link;	603	tail->next = new_link;
521	tail = new_link;	604	tail = new_link;
522	}	605	}
523	}	606	}
524	}	607	}
		608	}
		609
		610	/*
		611	* copy_to first frees everything allocated by the dst object,
		612	* and then copies the contents of itself into the second
		613	* object, allocating what needs to be allocated. Basically, any
		614	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		615	* if the first object is freed, the pointers in the new object
		616	* will point at garbage.
		617	*/
		618	void
		619	object::copy_to (object *dst)
		620	{
		621	*dst = *this;
		622
		623	if (speed < 0)
		624	dst->speed_left -= rndm ();
525		625
526	dst->set_speed (dst->speed);	626	dst->set_speed (dst->speed);
		627	}
		628
		629	void
		630	object::instantiate ()
		631	{
		632	if (!uuid.seq) // HACK
		633	uuid = UUID::gen ();
		634
		635	speed_left = -0.1f;
		636	/* copy the body_info to the body_used - this is only really
		637	* need for monsters, but doesn't hurt to do it for everything.
		638	* by doing so, when a monster is created, it has good starting
		639	* values for the body_used info, so when items are created
		640	* for it, they can be properly equipped.
		641	*/
		642	for (int i = NUM_BODY_LOCATIONS; i--; )
		643	slot[i].used = slot[i].info;
		644
		645	attachable::instantiate ();
527	}	646	}
528		647
529	object *	648	object *
530	object::clone ()	649	object::clone ()
531	{	650	{
…		…
589	* UP_OBJ_FACE: only the objects face has changed.	708	* UP_OBJ_FACE: only the objects face has changed.
590	*/	709	*/
591	void	710	void
592	update_object (object *op, int action)	711	update_object (object *op, int action)
593	{	712	{
594	MoveType move_on, move_off, move_block, move_slow;
595
596	if (op == NULL)	713	if (op == NULL)
597	{	714	{
598	/* this should never happen */	715	/* this should never happen */
599	LOG (llevDebug, "update_object() called for NULL object.\n");	716	LOG (llevDebug, "update_object() called for NULL object.\n");
600	return;	717	return;
…		…
670	face = blank_face;	787	face = blank_face;
671	}	788	}
672		789
673	object::~object ()	790	object::~object ()
674	{	791	{
		792	unlink ();
		793
675	free_key_values (this);	794	free_key_values (this);
676	}	795	}
677		796
678	static int object_count;	797	static int object_count;
679		798
680	void object::link ()	799	void object::link ()
681	{	800	{
682	assert (!index);//D	801	assert (!index);//D
683	uuid = gen_uuid ();	802	uuid = UUID::gen ();
684	count = ++object_count;	803	count = ++object_count;
685		804
686	refcnt_inc ();	805	refcnt_inc ();
687	objects.insert (this);	806	objects.insert (this);
688	}	807	}
689		808
690	void object::unlink ()	809	void object::unlink ()
691	{	810	{
692	assert (index);//D	811	if (!index)
		812	return;
		813
693	objects.erase (this);	814	objects.erase (this);
694	refcnt_dec ();	815	refcnt_dec ();
695	}	816	}
696		817
697	void	818	void
…		…
770	* if some form of movement is allowed, let objects	891	* if some form of movement is allowed, let objects
771	* drop on that space.	892	* drop on that space.
772	*/	893	*/
773	if (!drop_to_ground	894	if (!drop_to_ground
774	|| !map	895	|| !map
775	|| map->in_memory != MAP_IN_MEMORY	896	|| map->in_memory != MAP_ACTIVE
		897	|| map->nodrop
776	|| ms ().move_block == MOVE_ALL)	898	|| ms ().move_block == MOVE_ALL)
777	{	899	{
778	while (inv)	900	while (inv)
779	{	901	{
780	inv->destroy_inv (drop_to_ground);	902	inv->destroy_inv (drop_to_ground);
…		…
808	}	930	}
809		931
810	void	932	void
811	object::do_destroy ()	933	object::do_destroy ()
812	{	934	{
813	attachable::do_destroy ();
814
815	if (flag [FLAG_IS_LINKED])	935	if (flag [FLAG_IS_LINKED])
816	remove_button_link (this);	936	remove_button_link (this);
817		937
818	if (flag [FLAG_FRIENDLY])	938	if (flag [FLAG_FRIENDLY])
819	remove_friendly_object (this);	939	remove_friendly_object (this);
820		940
821	if (!flag [FLAG_REMOVED])
822	remove ();	941	remove ();
		942
		943	attachable::do_destroy ();
823		944
824	destroy_inv (true);	945	destroy_inv (true);
825		946
826	deactivate ();	947	deactivate ();
827	unlink ();	948	unlink ();
…		…
834		955
835	if (!freed_map)	956	if (!freed_map)
836	{	957	{
837	freed_map = new maptile;	958	freed_map = new maptile;
838		959
		960	freed_map->path = "<freed objects map>";
839	freed_map->name = "/internal/freed_objects_map";	961	freed_map->name = "/internal/freed_objects_map";
840	freed_map->width = 3;	962	freed_map->width = 3;
841	freed_map->height = 3;	963	freed_map->height = 3;
		964	freed_map->nodrop = 1;
842		965
843	freed_map->alloc ();	966	freed_map->alloc ();
844	freed_map->in_memory = MAP_IN_MEMORY;	967	freed_map->in_memory = MAP_ACTIVE;
845	}	968	}
846		969
847	map = freed_map;	970	map = freed_map;
848	x = 1;	971	x = 1;
849	y = 1;	972	y = 1;
850	}	973	}
851		974
852	head = 0;
853
854	if (more)	975	if (more)
855	{	976	{
856	more->destroy ();	977	more->destroy ();
857	more = 0;	978	more = 0;
858	}	979	}
859		980
		981	head = 0;
		982
860	// clear those pointers that likely might have circular references to us	983	// clear those pointers that likely might cause circular references
861	owner = 0;	984	owner = 0;
862	enemy = 0;	985	enemy = 0;
863	attacked_by = 0;	986	attacked_by = 0;
		987	current_weapon = 0;
864	}	988	}
865		989
866	void	990	void
867	object::destroy (bool destroy_inventory)	991	object::destroy (bool destroy_inventory)
868	{	992	{
…		…
870	return;	994	return;
871		995
872	if (destroy_inventory)	996	if (destroy_inventory)
873	destroy_inv (false);	997	destroy_inv (false);
874		998
		999	if (is_head ())
		1000	if (sound_destroy)
		1001	play_sound (sound_destroy);
		1002	else if (flag [FLAG_MONSTER])
		1003	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
		1004
875	attachable::destroy ();	1005	attachable::destroy ();
876	}
877
878	/*
879	* sub_weight() recursively (outwards) subtracts a number from the
880	* weight of an object (and what is carried by it's environment(s)).
881	*/
882	void
883	sub_weight (object *op, signed long weight)
884	{
885	while (op != NULL)
886	{
887	if (op->type == CONTAINER)
888	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
889
890	op->carrying -= weight;
891	op = op->env;
892	}
893	}	1006	}
894		1007
895	/* op->remove ():	1008	/* op->remove ():
896	* This function removes the object op from the linked list of objects	1009	* This function removes the object op from the linked list of objects
897	* which it is currently tied to. When this function is done, the	1010	* which it is currently tied to. When this function is done, the
898	* object will have no environment. If the object previously had an	1011	* object will have no environment. If the object previously had an
899	* environment, the x and y coordinates will be updated to	1012	* environment, the x and y coordinates will be updated to
900	* the previous environment.	1013	* the previous environment.
901	* Beware: This function is called from the editor as well!
902	*/	1014	*/
903	void	1015	void
904	object::remove_slow ()	1016	object::do_remove ()
905	{	1017	{
906	object *tmp, *last = 0;	1018	object *tmp, *last = 0;
907	object *otmp;	1019	object *otmp;
908		1020
909	if (QUERY_FLAG (this, FLAG_REMOVED))	1021	if (flag [FLAG_REMOVED])
910	return;	1022	return;
911		1023
912	SET_FLAG (this, FLAG_REMOVED);
913	INVOKE_OBJECT (REMOVE, this);	1024	INVOKE_OBJECT (REMOVE, this);
		1025
		1026	if (object *pl = visible_to ())
		1027	esrv_del_item (pl->contr, count);
		1028
		1029	flag [FLAG_REMOVED] = true;
914		1030
915	if (more)	1031	if (more)
916	more->remove ();	1032	more->remove ();
917		1033
918	/*	1034	/*
919	* In this case, the object to be removed is in someones	1035	* In this case, the object to be removed is in someones
920	* inventory.	1036	* inventory.
921	*/	1037	*/
922	if (env)	1038	if (env)
923	{	1039	{
		1040	adjust_weight (env, -total_weight ());
		1041
		1042	*(above ? &above->below : &env->inv) = below;
		1043
924	if (nrof)	1044	if (below)
925	sub_weight (env, weight * nrof);	1045	below->above = above;
926	else	1046
927	sub_weight (env, weight + carrying);	1047	/* we set up values so that it could be inserted into
		1048	* the map, but we don't actually do that - it is up
		1049	* to the caller to decide what we want to do.
		1050	*/
		1051	map = env->map;
		1052	x = env->x;
		1053	y = env->y;
		1054	above = 0;
		1055	below = 0;
		1056	env = 0;
928		1057
929	/* NO_FIX_PLAYER is set when a great many changes are being	1058	/* NO_FIX_PLAYER is set when a great many changes are being
930	* made to players inventory. If set, avoiding the call	1059	* made to players inventory. If set, avoiding the call
931	* to save cpu time.	1060	* to save cpu time.
932	*/	1061	*/
933	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1062	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
934	otmp->update_stats ();	1063	otmp->update_stats ();
935
936	if (above)
937	above->below = below;
938	else
939	env->inv = below;
940
941	if (below)
942	below->above = above;
943
944	/* we set up values so that it could be inserted into
945	* the map, but we don't actually do that - it is up
946	* to the caller to decide what we want to do.
947	*/
948	x = env->x, y = env->y;
949	map = env->map;
950	above = 0, below = 0;
951	env = 0;
952	}	1064	}
953	else if (map)	1065	else if (map)
954	{	1066	{
955	if (type == PLAYER)	1067	if (type == PLAYER)
956	{	1068	{
		1069	// leaving a spot always closes any open container on the ground
		1070	if (container && !container->env)
		1071	// this causes spurious floorbox updates, but it ensures
		1072	// that the CLOSE event is being sent.
		1073	close_container ();
		1074
957	--map->players;	1075	--map->players;
958	map->touch ();	1076	map->touch ();
959	}	1077	}
960		1078
961	map->dirty = true;	1079	map->dirty = true;
…		…
988	if (map->in_memory == MAP_SAVING)	1106	if (map->in_memory == MAP_SAVING)
989	return;	1107	return;
990		1108
991	int check_walk_off = !flag [FLAG_NO_APPLY];	1109	int check_walk_off = !flag [FLAG_NO_APPLY];
992		1110
		1111	if (object *pl = ms.player ())
		1112	{
		1113	if (pl->container == this)
		1114	/* If a container that the player is currently using somehow gets
		1115	* removed (most likely destroyed), update the player view
		1116	* appropriately.
		1117	*/
		1118	pl->close_container ();
		1119
		1120	pl->contr->ns->floorbox_update ();
		1121	}
		1122
993	for (tmp = ms.bot; tmp; tmp = tmp->above)	1123	for (tmp = ms.bot; tmp; tmp = tmp->above)
994	{	1124	{
995	/* No point updating the players look faces if he is the object	1125	/* No point updating the players look faces if he is the object
996	* being removed.	1126	* being removed.
997	*/	1127	*/
998
999	if (tmp->type == PLAYER && tmp != this)
1000	{
1001	/* If a container that the player is currently using somehow gets
1002	* removed (most likely destroyed), update the player view
1003	* appropriately.
1004	*/
1005	if (tmp->container == this)
1006	{
1007	flag [FLAG_APPLIED] = 0;
1008	tmp->container = 0;
1009	}
1010
1011	if (tmp->contr->ns)
1012	tmp->contr->ns->floorbox_update ();
1013	}
1014		1128
1015	/* See if object moving off should effect something */	1129	/* See if object moving off should effect something */
1016	if (check_walk_off	1130	if (check_walk_off
1017	&& ((move_type & tmp->move_off)	1131	&& ((move_type & tmp->move_off)
1018	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1132	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1021		1135
1022	if (destroyed ())	1136	if (destroyed ())
1023	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1137	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1024	}	1138	}
1025		1139
1026	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1027	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1028	if (tmp->above == tmp)
1029	tmp->above = 0;
1030
1031	last = tmp;	1140	last = tmp;
1032	}	1141	}
1033		1142
1034	/* last == NULL if there are no objects on this space */	1143	/* last == NULL if there are no objects on this space */
1035	//TODO: this makes little sense, why only update the topmost object?	1144	//TODO: this makes little sense, why only update the topmost object?
…		…
1055	merge_ob (object *op, object *top)	1164	merge_ob (object *op, object *top)
1056	{	1165	{
1057	if (!op->nrof)	1166	if (!op->nrof)
1058	return 0;	1167	return 0;
1059		1168
1060	if (top)	1169	if (!top)
1061	for (top = op; top && top->above; top = top->above)	1170	for (top = op; top && top->above; top = top->above)
1062	;	1171	;
1063		1172
1064	for (; top; top = top->below)	1173	for (; top; top = top->below)
1065	{	1174	{
…		…
1078	}	1187	}
1079		1188
1080	return 0;	1189	return 0;
1081	}	1190	}
1082		1191
		1192	void
		1193	object::expand_tail ()
		1194	{
		1195	if (more)
		1196	return;
		1197
		1198	object *prev = this;
		1199
		1200	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1201	{
		1202	object *op = arch_to_object (at);
		1203
		1204	op->name = name;
		1205	op->name_pl = name_pl;
		1206	op->title = title;
		1207
		1208	op->head = this;
		1209	prev->more = op;
		1210
		1211	prev = op;
		1212	}
		1213	}
		1214
1083	/*	1215	/*
1084	* same as insert_ob_in_map except it handles separate coordinates and does a clean	1216	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1085	* job preparing multi-part monsters.	1217	* job preparing multi-part monsters.
1086	*/	1218	*/
1087	object *	1219	object *
1088	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1220	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1089	{	1221	{
1090	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1222	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1091	{	1223	{
1092	tmp->x = x + tmp->arch->clone.x;	1224	tmp->x = x + tmp->arch->x;
1093	tmp->y = y + tmp->arch->clone.y;	1225	tmp->y = y + tmp->arch->y;
1094	}	1226	}
1095		1227
1096	return insert_ob_in_map (op, m, originator, flag);	1228	return insert_ob_in_map (op, m, originator, flag);
1097	}	1229	}
1098		1230
…		…
1117	* just 'op' otherwise	1249	* just 'op' otherwise
1118	*/	1250	*/
1119	object *	1251	object *
1120	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1252	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1121	{	1253	{
		1254	assert (!op->flag [FLAG_FREED]);
		1255
1122	object *tmp, *top, *floor = NULL;	1256	object *top, *floor = NULL;
1123
1124	if (QUERY_FLAG (op, FLAG_FREED))
1125	{
1126	LOG (llevError, "Trying to insert freed object!\n");
1127	return NULL;
1128	}
1129
1130	if (!QUERY_FLAG (op, FLAG_REMOVED))
1131	LOG (llevError, "Trying to insert already inserted object %s\n", op->debug_desc ());
1132		1257
1133	op->remove ();	1258	op->remove ();
1134
1135	if (!m)
1136	{
1137	char *dump = dump_object (op);
1138	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1139	free (dump);
1140	return op;
1141	}
1142
1143	if (out_of_map (m, op->x, op->y))
1144	{
1145	char *dump = dump_object (op);
1146	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1147	#ifdef MANY_CORES
1148	/* Better to catch this here, as otherwise the next use of this object
1149	* is likely to cause a crash. Better to find out where it is getting
1150	* improperly inserted.
1151	*/
1152	abort ();
1153	#endif
1154	free (dump);
1155	return op;
1156	}
1157
1158	if (object *more = op->more)
1159	{
1160	if (!insert_ob_in_map (more, m, originator, flag))
1161	{
1162	if (!op->head)
1163	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1164
1165	return 0;
1166	}
1167	}
1168
1169	CLEAR_FLAG (op, FLAG_REMOVED);
1170		1259
1171	/* Ideally, the caller figures this out. However, it complicates a lot	1260	/* Ideally, the caller figures this out. However, it complicates a lot
1172	* of areas of callers (eg, anything that uses find_free_spot would now	1261	* of areas of callers (eg, anything that uses find_free_spot would now
1173	* need extra work	1262	* need extra work
1174	*/	1263	*/
1175	if (!xy_normalise (m, op->x, op->y))	1264	if (!xy_normalise (m, op->x, op->y))
		1265	{
		1266	op->destroy ();
1176	return 0;	1267	return 0;
		1268	}
		1269
		1270	if (object *more = op->more)
		1271	if (!insert_ob_in_map (more, m, originator, flag))
		1272	return 0;
		1273
		1274	CLEAR_FLAG (op, FLAG_REMOVED);
1177		1275
1178	op->map = m;	1276	op->map = m;
1179	mapspace &ms = op->ms ();	1277	mapspace &ms = op->ms ();
1180		1278
1181	/* this has to be done after we translate the coordinates.	1279	/* this has to be done after we translate the coordinates.
1182	*/	1280	*/
1183	if (op->nrof && !(flag & INS_NO_MERGE))	1281	if (op->nrof && !(flag & INS_NO_MERGE))
1184	for (tmp = ms.bot; tmp; tmp = tmp->above)	1282	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1185	if (object::can_merge (op, tmp))	1283	if (object::can_merge (op, tmp))
1186	{	1284	{
1187	op->nrof += tmp->nrof;	1285	op->nrof += tmp->nrof;
1188	tmp->destroy ();	1286	tmp->destroy (1);
1189	}	1287	}
1190		1288
1191	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1289	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1192	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1290	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1193		1291
…		…
1216	else	1314	else
1217	{	1315	{
1218	top = ms.bot;	1316	top = ms.bot;
1219		1317
1220	/* If there are other objects, then */	1318	/* If there are other objects, then */
1221	if ((!(flag & INS_MAP_LOAD)) && top)	1319	if (top)
1222	{	1320	{
1223	object *last = 0;	1321	object *last = 0;
1224		1322
1225	/*	1323	/*
1226	* If there are multiple objects on this space, we do some trickier handling.	1324	* If there are multiple objects on this space, we do some trickier handling.
…		…
1256	* looks like instead of lots of conditions here.	1354	* looks like instead of lots of conditions here.
1257	* makes things faster, and effectively the same result.	1355	* makes things faster, and effectively the same result.
1258	*/	1356	*/
1259		1357
1260	/* Have object 'fall below' other objects that block view.	1358	/* Have object 'fall below' other objects that block view.
1261	* Unless those objects are exits, type 66	1359	* Unless those objects are exits.
1262	* If INS_ON_TOP is used, don't do this processing	1360	* If INS_ON_TOP is used, don't do this processing
1263	* Need to find the object that in fact blocks view, otherwise	1361	* Need to find the object that in fact blocks view, otherwise
1264	* stacking is a bit odd.	1362	* stacking is a bit odd.
1265	*/	1363	*/
1266	if (!(flag & INS_ON_TOP)	1364	if (!(flag & INS_ON_TOP)
1267	&& ms.flags () & P_BLOCKSVIEW	1365	&& ms.flags () & P_BLOCKSVIEW
1268	&& (op->face && !op->face->visibility))	1366	&& (op->face && !faces [op->face].visibility))
1269	{	1367	{
1270	for (last = top; last != floor; last = last->below)	1368	for (last = top; last != floor; last = last->below)
1271	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1369	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1272	break;	1370	break;
1273		1371
…		…
1279	if (last && last->below && last != floor)	1377	if (last && last->below && last != floor)
1280	top = last->below;	1378	top = last->below;
1281	}	1379	}
1282	} /* If objects on this space */	1380	} /* If objects on this space */
1283		1381
1284	if (flag & INS_MAP_LOAD)
1285	top = ms.top;
1286
1287	if (flag & INS_ABOVE_FLOOR_ONLY)	1382	if (flag & INS_ABOVE_FLOOR_ONLY)
1288	top = floor;	1383	top = floor;
1289		1384
1290	/* Top is the object that our object (op) is going to get inserted above.	1385	/* Top is the object that our object (op) is going to get inserted above.
1291	*/	1386	*/
…		…
1323	op->map->touch ();	1418	op->map->touch ();
1324	}	1419	}
1325		1420
1326	op->map->dirty = true;	1421	op->map->dirty = true;
1327		1422
1328	/* If we have a floor, we know the player, if any, will be above
1329	* it, so save a few ticks and start from there.
1330	*/
1331	if (!(flag & INS_MAP_LOAD))
1332	if (object *pl = ms.player ())	1423	if (object *pl = ms.player ())
1333	if (pl->contr->ns)
1334	pl->contr->ns->floorbox_update ();	1424	pl->contr->ns->floorbox_update ();
1335		1425
1336	/* If this object glows, it may affect lighting conditions that are	1426	/* If this object glows, it may affect lighting conditions that are
1337	* visible to others on this map. But update_all_los is really	1427	* visible to others on this map. But update_all_los is really
1338	* an inefficient way to do this, as it means los for all players	1428	* an inefficient way to do this, as it means los for all players
1339	* on the map will get recalculated. The players could very well	1429	* on the map will get recalculated. The players could very well
…		…
1358	* blocked() and wall() work properly), and these flags are updated by	1448	* blocked() and wall() work properly), and these flags are updated by
1359	* update_object().	1449	* update_object().
1360	*/	1450	*/
1361		1451
1362	/* if this is not the head or flag has been passed, don't check walk on status */	1452	/* if this is not the head or flag has been passed, don't check walk on status */
1363	if (!(flag & INS_NO_WALK_ON) && !op->head)	1453	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1364	{	1454	{
1365	if (check_move_on (op, originator))	1455	if (check_move_on (op, originator))
1366	return 0;	1456	return 0;
1367		1457
1368	/* If we are a multi part object, lets work our way through the check	1458	/* If we are a multi part object, lets work our way through the check
1369	* walk on's.	1459	* walk on's.
1370	*/	1460	*/
1371	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1461	for (object *tmp = op->more; tmp; tmp = tmp->more)
1372	if (check_move_on (tmp, originator))	1462	if (check_move_on (tmp, originator))
1373	return 0;	1463	return 0;
1374	}	1464	}
1375		1465
1376	return op;	1466	return op;
…		…
1381	* op is the object to insert it under: supplies x and the map.	1471	* op is the object to insert it under: supplies x and the map.
1382	*/	1472	*/
1383	void	1473	void
1384	replace_insert_ob_in_map (const char *arch_string, object *op)	1474	replace_insert_ob_in_map (const char *arch_string, object *op)
1385	{	1475	{
1386	object *tmp, *tmp1;
1387
1388	/* first search for itself and remove any old instances */	1476	/* first search for itself and remove any old instances */
1389		1477
1390	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1478	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1391	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1479	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1392	tmp->destroy ();	1480	tmp->destroy (1);
1393		1481
1394	tmp1 = arch_to_object (archetype::find (arch_string));	1482	object *tmp = arch_to_object (archetype::find (arch_string));
1395		1483
1396	tmp1->x = op->x;	1484	tmp->x = op->x;
1397	tmp1->y = op->y;	1485	tmp->y = op->y;
		1486
1398	insert_ob_in_map (tmp1, op->map, op, 0);	1487	insert_ob_in_map (tmp, op->map, op, 0);
1399	}	1488	}
1400		1489
1401	object *	1490	object *
1402	object::insert_at (object *where, object *originator, int flags)	1491	object::insert_at (object *where, object *originator, int flags)
1403	{	1492	{
		1493	if (where->env)
		1494	return where->env->insert (this);
		1495	else
1404	where->map->insert (this, where->x, where->y, originator, flags);	1496	return where->map->insert (this, where->x, where->y, originator, flags);
1405	}	1497	}
1406		1498
1407	/*	1499	// find player who can see this object
1408	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1409	* is returned contains nr objects, and the remaining parts contains
1410	* the rest (or is removed and freed if that number is 0).
1411	* On failure, NULL is returned, and the reason put into the
1412	* global static errmsg array.
1413	*/
1414	object *	1500	object *
1415	get_split_ob (object *orig_ob, uint32 nr)	1501	object::visible_to () const
1416	{	1502	{
1417	object *newob;	1503	if (!flag [FLAG_REMOVED])
1418	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1419
1420	if (orig_ob->nrof < nr)
1421	{
1422	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1423	return NULL;
1424	}	1504	{
1425		1505	// see if we are in a container of sorts
1426	newob = object_create_clone (orig_ob);	1506	if (env)
1427
1428	if ((orig_ob->nrof -= nr) < 1)
1429	orig_ob->destroy (1);
1430	else if (!is_removed)
1431	{
1432	if (orig_ob->env != NULL)
1433	sub_weight (orig_ob->env, orig_ob->weight * nr);
1434	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1435	{
1436	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1437	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1438	return NULL;
1439	}	1507	{
1440	}	1508	// the player inventory itself is always visible
		1509	if (env->type == PLAYER)
		1510	return env;
1441		1511
1442	newob->nrof = nr;	1512	// else a player could have our env open
		1513	object *envest = env->outer_env ();
1443		1514
		1515	// the player itself is always on a map, so we will find him here
		1516	// even if our inv is in a player.
		1517	if (envest->is_on_map ())
		1518	if (object *pl = envest->ms ().player ())
		1519	if (pl->container == env)
		1520	return pl;
		1521	}
		1522	else
		1523	{
		1524	// maybe there is a player standing on the same mapspace
		1525	// this will catch the case where "this" is a player
		1526	if (object *pl = ms ().player ())
		1527	return pl;
		1528	}
		1529	}
		1530
1444	return newob;	1531	return 0;
1445	}	1532	}
1446		1533
1447	/*	1534	/*
1448	* decrease_ob_nr(object, number) decreases a specified number from	1535	* decrease(object, number) decreases a specified number from
1449	* the amount of an object. If the amount reaches 0, the object	1536	* the amount of an object. If the amount reaches 0, the object
1450	* is subsequently removed and freed.	1537	* is subsequently removed and freed.
1451	*	1538	*
1452	* Return value: 'op' if something is left, NULL if the amount reached 0	1539	* Return value: 'op' if something is left, NULL if the amount reached 0
1453	*/	1540	*/
		1541	bool
		1542	object::decrease (sint32 nr)
		1543	{
		1544	if (!nr)
		1545	return true;
1454		1546
		1547	nr = min (nr, nrof);
		1548
		1549	nrof -= nr;
		1550
		1551	if (nrof)
		1552	{
		1553	adjust_weight (env, -weight * nr); // carrying == 0
		1554
		1555	if (object *pl = visible_to ())
		1556	esrv_update_item (UPD_NROF, pl, this);
		1557
		1558	return true;
		1559	}
		1560	else
		1561	{
		1562	destroy (1);
		1563	return false;
		1564	}
		1565	}
		1566
		1567	/*
		1568	* split(ob,nr) splits up ob into two parts. The part which
		1569	* is returned contains nr objects, and the remaining parts contains
		1570	* the rest (or is removed and returned if that number is 0).
		1571	* On failure, NULL is returned.
		1572	*/
1455	object *	1573	object *
1456	decrease_ob_nr (object *op, uint32 i)	1574	object::split (sint32 nr)
1457	{	1575	{
1458	object *tmp;	1576	int have = number_of ();
1459		1577
1460	if (i == 0) /* objects with op->nrof require this check */	1578	if (have < nr)
1461	return op;	1579	return 0;
1462		1580	else if (have == nr)
1463	if (i > op->nrof)
1464	i = op->nrof;
1465
1466	if (QUERY_FLAG (op, FLAG_REMOVED))
1467	op->nrof -= i;
1468	else if (op->env)
1469	{	1581	{
1470	/* is this object in the players inventory, or sub container
1471	* therein?
1472	*/
1473	tmp = op->in_player ();
1474	/* nope. Is this a container the player has opened?
1475	* If so, set tmp to that player.
1476	* IMO, searching through all the players will mostly
1477	* likely be quicker than following op->env to the map,
1478	* and then searching the map for a player.
1479	*/
1480	if (!tmp)
1481	for_all_players (pl)
1482	if (pl->ob->container == op->env)
1483	{
1484	tmp = pl->ob;
1485	break;
1486	}
1487
1488	if (i < op->nrof)
1489	{
1490	sub_weight (op->env, op->weight * i);
1491	op->nrof -= i;
1492	if (tmp)
1493	esrv_send_item (tmp, op);
1494	}
1495	else
1496	{
1497	op->remove ();	1582	remove ();
1498	op->nrof = 0;	1583	return this;
1499	if (tmp)
1500	esrv_del_item (tmp->contr, op->count);
1501	}
1502	}	1584	}
1503	else	1585	else
1504	{	1586	{
1505	object *above = op->above;	1587	decrease (nr);
1506		1588
1507	if (i < op->nrof)	1589	object *op = object_create_clone (this);
1508	op->nrof -= i;	1590	op->nrof = nr;
1509	else
1510	{
1511	op->remove ();
1512	op->nrof = 0;
1513	}
1514
1515	/* Since we just removed op, op->above is null */
1516	for (tmp = above; tmp; tmp = tmp->above)
1517	if (tmp->type == PLAYER)
1518	{
1519	if (op->nrof)
1520	esrv_send_item (tmp, op);
1521	else
1522	esrv_del_item (tmp->contr, op->count);
1523	}
1524	}
1525
1526	if (op->nrof)
1527	return op;	1591	return op;
1528	else
1529	{
1530	op->destroy ();
1531	return 0;
1532	}
1533	}
1534
1535	/*
1536	* add_weight(object, weight) adds the specified weight to an object,
1537	* and also updates how much the environment(s) is/are carrying.
1538	*/
1539
1540	void
1541	add_weight (object *op, signed long weight)
1542	{
1543	while (op != NULL)
1544	{
1545	if (op->type == CONTAINER)
1546	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1547
1548	op->carrying += weight;
1549	op = op->env;
1550	}	1592	}
1551	}	1593	}
1552		1594
1553	object *	1595	object *
1554	insert_ob_in_ob (object *op, object *where)	1596	insert_ob_in_ob (object *op, object *where)
…		…
1559	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1601	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1560	free (dump);	1602	free (dump);
1561	return op;	1603	return op;
1562	}	1604	}
1563		1605
1564	if (where->head)	1606	if (where->head_ () != where)
1565	{	1607	{
1566	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1608	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1567	where = where->head;	1609	where = where->head;
1568	}	1610	}
1569		1611
1570	return where->insert (op);	1612	return where->insert (op);
1571	}	1613	}
…		…
1576	* inside the object environment.	1618	* inside the object environment.
1577	*	1619	*
1578	* The function returns now pointer to inserted item, and return value can	1620	* The function returns now pointer to inserted item, and return value can
1579	* be != op, if items are merged. -Tero	1621	* be != op, if items are merged. -Tero
1580	*/	1622	*/
1581
1582	object *	1623	object *
1583	object::insert (object *op)	1624	object::insert (object *op)
1584	{	1625	{
1585	object *tmp, *otmp;
1586
1587	if (!QUERY_FLAG (op, FLAG_REMOVED))
1588	op->remove ();
1589
1590	if (op->more)	1626	if (op->more)
1591	{	1627	{
1592	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1628	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1593	return op;	1629	return op;
1594	}	1630	}
1595		1631
1596	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1632	op->remove ();
1597	CLEAR_FLAG (op, FLAG_REMOVED);	1633
		1634	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1635
1598	if (op->nrof)	1636	if (op->nrof)
1599	{
1600	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1637	for (object *tmp = inv; tmp; tmp = tmp->below)
1601	if (object::can_merge (tmp, op))	1638	if (object::can_merge (tmp, op))
1602	{	1639	{
1603	/* return the original object and remove inserted object	1640	/* return the original object and remove inserted object
1604	(client needs the original object) */	1641	(client needs the original object) */
1605	tmp->nrof += op->nrof;	1642	tmp->nrof += op->nrof;
1606	/* Weight handling gets pretty funky. Since we are adding to
1607	* tmp->nrof, we need to increase the weight.
1608	*/
1609	add_weight (this, op->weight * op->nrof);	1643	adjust_weight (this, op->total_weight ());
1610	SET_FLAG (op, FLAG_REMOVED);	1644
1611	op->destroy (); /* free the inserted object */	1645	op->destroy (1);
1612	op = tmp;	1646	op = tmp;
1613	op->remove (); /* and fix old object's links */	1647	goto inserted;
1614	CLEAR_FLAG (op, FLAG_REMOVED);
1615	break;
1616	}	1648	}
1617		1649
1618	/* I assume combined objects have no inventory	1650	op->owner = 0; // it's his/hers now. period.
1619	* We add the weight - this object could have just been removed	1651	op->map = 0;
1620	* (if it was possible to merge). calling remove_ob will subtract	1652	op->x = 0;
1621	* the weight, so we need to add it in again, since we actually do	1653	op->y = 0;
1622	* the linking below
1623	*/
1624	add_weight (this, op->weight * op->nrof);
1625	}
1626	else
1627	add_weight (this, (op->weight + op->carrying));
1628		1654
1629	otmp = this->in_player ();	1655	op->above = 0;
1630	if (otmp && otmp->contr)	1656	op->below = inv;
		1657	op->env = this;
		1658
		1659	if (inv)
		1660	inv->above = op;
		1661
		1662	inv = op;
		1663
		1664	op->flag [FLAG_REMOVED] = 0;
		1665
		1666	adjust_weight (this, op->total_weight ());
		1667
		1668	inserted:
		1669	/* reset the light list and los of the players on the map */
		1670	if (op->glow_radius && map && map->darkness)
		1671	update_all_los (map, x, y);
		1672
		1673	if (object *otmp = in_player ())
1631	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1674	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1632	otmp->update_stats ();	1675	otmp->update_stats ();
1633
1634	op->map = 0;
1635	op->env = this;
1636	op->above = 0;
1637	op->below = 0;
1638	op->x = 0, op->y = 0;
1639
1640	/* reset the light list and los of the players on the map */
1641	if ((op->glow_radius != 0) && map)
1642	{
1643	#ifdef DEBUG_LIGHTS
1644	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1645	#endif /* DEBUG_LIGHTS */
1646	if (map->darkness)
1647	update_all_los (map, x, y);
1648	}
1649
1650	/* Client has no idea of ordering so lets not bother ordering it here.
1651	* It sure simplifies this function...
1652	*/
1653	if (!inv)
1654	inv = op;
1655	else
1656	{
1657	op->below = inv;
1658	op->below->above = op;
1659	inv = op;
1660	}
1661		1676
1662	INVOKE_OBJECT (INSERT, this);	1677	INVOKE_OBJECT (INSERT, this);
1663		1678
1664	return op;	1679	return op;
1665	}	1680	}
…		…
1746	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1761	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1747	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1762	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1748	{	1763	{
1749		1764
1750	float	1765	float
1751	diff = tmp->move_slow_penalty * FABS (op->speed);	1766	diff = tmp->move_slow_penalty * fabs (op->speed);
1752		1767
1753	if (op->type == PLAYER)	1768	if (op->type == PLAYER)
1754	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1769	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1755	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1770	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1756	diff /= 4.0;	1771	diff /= 4.0;
…		…
1880	* activate recursively a flag on an object inventory	1895	* activate recursively a flag on an object inventory
1881	*/	1896	*/
1882	void	1897	void
1883	flag_inv (object *op, int flag)	1898	flag_inv (object *op, int flag)
1884	{	1899	{
1885	if (op->inv)
1886	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1900	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1887	{	1901	{
1888	SET_FLAG (tmp, flag);	1902	SET_FLAG (tmp, flag);
1889	flag_inv (tmp, flag);	1903	flag_inv (tmp, flag);
1890	}	1904	}
1891	}	1905	}
1892		1906
1893	/*	1907	/*
1894	* deactivate recursively a flag on an object inventory	1908	* deactivate recursively a flag on an object inventory
1895	*/	1909	*/
1896	void	1910	void
1897	unflag_inv (object *op, int flag)	1911	unflag_inv (object *op, int flag)
1898	{	1912	{
1899	if (op->inv)
1900	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1913	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1901	{	1914	{
1902	CLEAR_FLAG (tmp, flag);	1915	CLEAR_FLAG (tmp, flag);
1903	unflag_inv (tmp, flag);	1916	unflag_inv (tmp, flag);
1904	}	1917	}
1905	}
1906
1907	/*
1908	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1909	* all it's inventory (recursively).
1910	* If checksums are used, a player will get set_cheat called for
1911	* him/her-self and all object carried by a call to this function.
1912	*/
1913	void
1914	set_cheat (object *op)
1915	{
1916	SET_FLAG (op, FLAG_WAS_WIZ);
1917	flag_inv (op, FLAG_WAS_WIZ);
1918	}	1918	}
1919		1919
1920	/*	1920	/*
1921	* find_free_spot(object, map, x, y, start, stop) will search for	1921	* find_free_spot(object, map, x, y, start, stop) will search for
1922	* a spot at the given map and coordinates which will be able to contain	1922	* a spot at the given map and coordinates which will be able to contain
…		…
1924	* to search (see the freearr_x/y[] definition).	1924	* to search (see the freearr_x/y[] definition).
1925	* It returns a random choice among the alternatives found.	1925	* It returns a random choice among the alternatives found.
1926	* start and stop are where to start relative to the free_arr array (1,9	1926	* start and stop are where to start relative to the free_arr array (1,9
1927	* does all 4 immediate directions). This returns the index into the	1927	* does all 4 immediate directions). This returns the index into the
1928	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1928	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1929	* Note - this only checks to see if there is space for the head of the
1930	* object - if it is a multispace object, this should be called for all
1931	* pieces.
1932	* Note2: This function does correctly handle tiled maps, but does not	1929	* Note: This function does correctly handle tiled maps, but does not
1933	* inform the caller. However, insert_ob_in_map will update as	1930	* inform the caller. However, insert_ob_in_map will update as
1934	* necessary, so the caller shouldn't need to do any special work.	1931	* necessary, so the caller shouldn't need to do any special work.
1935	* Note - updated to take an object instead of archetype - this is necessary	1932	* Note - updated to take an object instead of archetype - this is necessary
1936	* because arch_blocked (now ob_blocked) needs to know the movement type	1933	* because arch_blocked (now ob_blocked) needs to know the movement type
1937	* to know if the space in question will block the object. We can't use	1934	* to know if the space in question will block the object. We can't use
…		…
1939	* customized, changed states, etc.	1936	* customized, changed states, etc.
1940	*/	1937	*/
1941	int	1938	int
1942	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1939	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1943	{	1940	{
		1941	int altern[SIZEOFFREE];
1944	int index = 0, flag;	1942	int index = 0, flag;
1945	int altern[SIZEOFFREE];
1946		1943
1947	for (int i = start; i < stop; i++)	1944	for (int i = start; i < stop; i++)
1948	{	1945	{
1949	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1946	mapxy pos (m, x, y); pos.move (i);
1950	if (!flag)	1947
		1948	if (!pos.normalise ())
		1949	continue;
		1950
		1951	mapspace &ms = *pos;
		1952
		1953	if (ms.flags () & P_IS_ALIVE)
		1954	continue;
		1955
		1956	/* However, often
		1957	* ob doesn't have any move type (when used to place exits)
		1958	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1959	*/
		1960	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1961	{
1951	altern [index++] = i;	1962	altern [index++] = i;
		1963	continue;
		1964	}
1952		1965
1953	/* Basically, if we find a wall on a space, we cut down the search size.	1966	/* Basically, if we find a wall on a space, we cut down the search size.
1954	* In this way, we won't return spaces that are on another side of a wall.	1967	* In this way, we won't return spaces that are on another side of a wall.
1955	* This mostly work, but it cuts down the search size in all directions -	1968	* This mostly work, but it cuts down the search size in all directions -
1956	* if the space being examined only has a wall to the north and empty	1969	* if the space being examined only has a wall to the north and empty
1957	* spaces in all the other directions, this will reduce the search space	1970	* spaces in all the other directions, this will reduce the search space
1958	* to only the spaces immediately surrounding the target area, and	1971	* to only the spaces immediately surrounding the target area, and
1959	* won't look 2 spaces south of the target space.	1972	* won't look 2 spaces south of the target space.
1960	*/	1973	*/
1961	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1974	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1975	{
1962	stop = maxfree[i];	1976	stop = maxfree[i];
		1977	continue;
		1978	}
		1979
		1980	/* Note it is intentional that we check ob - the movement type of the
		1981	* head of the object should correspond for the entire object.
		1982	*/
		1983	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1984	continue;
		1985
		1986	if (ob->blocked (m, pos.x, pos.y))
		1987	continue;
		1988
		1989	altern [index++] = i;
1963	}	1990	}
1964		1991
1965	if (!index)	1992	if (!index)
1966	return -1;	1993	return -1;
1967		1994
1968	return altern[RANDOM () % index];	1995	return altern [rndm (index)];
1969	}	1996	}
1970		1997
1971	/*	1998	/*
1972	* find_first_free_spot(archetype, maptile, x, y) works like	1999	* find_first_free_spot(archetype, maptile, x, y) works like
1973	* find_free_spot(), but it will search max number of squares.	2000	* find_free_spot(), but it will search max number of squares.
…		…
1976	*/	2003	*/
1977	int	2004	int
1978	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2005	find_first_free_spot (const object *ob, maptile *m, int x, int y)
1979	{	2006	{
1980	for (int i = 0; i < SIZEOFFREE; i++)	2007	for (int i = 0; i < SIZEOFFREE; i++)
1981	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2008	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
1982	return i;	2009	return i;
1983		2010
1984	return -1;	2011	return -1;
1985	}	2012	}
1986		2013
…		…
1994	{	2021	{
1995	arr += begin;	2022	arr += begin;
1996	end -= begin;	2023	end -= begin;
1997		2024
1998	while (--end)	2025	while (--end)
1999	swap (arr [end], arr [RANDOM () % (end + 1)]);	2026	swap (arr [end], arr [rndm (end + 1)]);
2000	}	2027	}
2001		2028
2002	/* new function to make monster searching more efficient, and effective!	2029	/* new function to make monster searching more efficient, and effective!
2003	* This basically returns a randomized array (in the passed pointer) of	2030	* This basically returns a randomized array (in the passed pointer) of
2004	* the spaces to find monsters. In this way, it won't always look for	2031	* the spaces to find monsters. In this way, it won't always look for
…		…
2040	object *tmp;	2067	object *tmp;
2041	maptile *mp;	2068	maptile *mp;
2042		2069
2043	MoveType blocked, move_type;	2070	MoveType blocked, move_type;
2044		2071
2045	if (exclude && exclude->head)	2072	if (exclude && exclude->head_ () != exclude)
2046	{	2073	{
2047	exclude = exclude->head;	2074	exclude = exclude->head;
2048	move_type = exclude->move_type;	2075	move_type = exclude->move_type;
2049	}	2076	}
2050	else	2077	else
…		…
2073	max = maxfree[i];	2100	max = maxfree[i];
2074	else if (mflags & P_IS_ALIVE)	2101	else if (mflags & P_IS_ALIVE)
2075	{	2102	{
2076	for (tmp = ms.bot; tmp; tmp = tmp->above)	2103	for (tmp = ms.bot; tmp; tmp = tmp->above)
2077	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2104	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2078	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2105	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2079	break;	2106	break;
2080		2107
2081	if (tmp)	2108	if (tmp)
2082	return freedir[i];	2109	return freedir[i];
2083	}	2110	}
…		…
2263	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2290	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2264	* core dumps if they do.	2291	* core dumps if they do.
2265	*	2292	*
2266	* Add a check so we can't pick up invisible objects (0.93.8)	2293	* Add a check so we can't pick up invisible objects (0.93.8)
2267	*/	2294	*/
2268
2269	int	2295	int
2270	can_pick (const object *who, const object *item)	2296	can_pick (const object *who, const object *item)
2271	{	2297	{
2272	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2298	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2273	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2299	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2278	* create clone from object to another	2304	* create clone from object to another
2279	*/	2305	*/
2280	object *	2306	object *
2281	object_create_clone (object *asrc)	2307	object_create_clone (object *asrc)
2282	{	2308	{
2283	object *dst = 0, *tmp, *src, *part, *prev, *item;	2309	object *dst = 0, *tmp, *src, *prev, *item;
2284		2310
2285	if (!asrc)	2311	if (!asrc)
2286	return 0;	2312	return 0;
2287		2313
2288	src = asrc;
2289	if (src->head)
2290	src = src->head;	2314	src = asrc->head_ ();
2291		2315
2292	prev = 0;	2316	prev = 0;
2293	for (part = src; part; part = part->more)	2317	for (object *part = src; part; part = part->more)
2294	{	2318	{
2295	tmp = part->clone ();	2319	tmp = part->clone ();
2296	tmp->x -= src->x;	2320	tmp->x -= src->x;
2297	tmp->y -= src->y;	2321	tmp->y -= src->y;
2298		2322
…		…
2314		2338
2315	for (item = src->inv; item; item = item->below)	2339	for (item = src->inv; item; item = item->below)
2316	insert_ob_in_ob (object_create_clone (item), dst);	2340	insert_ob_in_ob (object_create_clone (item), dst);
2317		2341
2318	return dst;	2342	return dst;
2319	}
2320
2321	/* GROS - Creates an object using a string representing its content. */
2322	/* Basically, we save the content of the string to a temp file, then call */
2323	/* load_object on it. I admit it is a highly inefficient way to make things, */
2324	/* but it was simple to make and allows reusing the load_object function. */
2325	/* Remember not to use load_object_str in a time-critical situation. */
2326	/* Also remember that multiparts objects are not supported for now. */
2327	object *
2328	load_object_str (const char *obstr)
2329	{
2330	object *op;
2331	char filename[MAX_BUF];
2332
2333	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2334
2335	FILE *tempfile = fopen (filename, "w");
2336
2337	if (tempfile == NULL)
2338	{
2339	LOG (llevError, "Error - Unable to access load object temp file\n");
2340	return NULL;
2341	}
2342
2343	fprintf (tempfile, obstr);
2344	fclose (tempfile);
2345
2346	op = object::create ();
2347
2348	object_thawer thawer (filename);
2349
2350	if (thawer)
2351	load_object (thawer, op, 0);
2352
2353	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2354	CLEAR_FLAG (op, FLAG_REMOVED);
2355
2356	return op;
2357	}	2343	}
2358		2344
2359	/* This returns the first object in who's inventory that	2345	/* This returns the first object in who's inventory that
2360	* has the same type and subtype match.	2346	* has the same type and subtype match.
2361	* returns NULL if no match.	2347	* returns NULL if no match.
…		…
2416	if (link->key == canonical_key)	2402	if (link->key == canonical_key)
2417	return link->value;	2403	return link->value;
2418		2404
2419	return 0;	2405	return 0;
2420	}	2406	}
2421
2422		2407
2423	/*	2408	/*
2424	* Updates the canonical_key in op to value.	2409	* Updates the canonical_key in op to value.
2425	*	2410	*
2426	* canonical_key is a shared string (value doesn't have to be).	2411	* canonical_key is a shared string (value doesn't have to be).
…		…
2450	/* Basically, if the archetype has this key set,	2435	/* Basically, if the archetype has this key set,
2451	* we need to store the null value so when we save	2436	* we need to store the null value so when we save
2452	* it, we save the empty value so that when we load,	2437	* it, we save the empty value so that when we load,
2453	* we get this value back again.	2438	* we get this value back again.
2454	*/	2439	*/
2455	if (get_ob_key_link (&op->arch->clone, canonical_key))	2440	if (get_ob_key_link (op->arch, canonical_key))
2456	field->value = 0;	2441	field->value = 0;
2457	else	2442	else
2458	{	2443	{
2459	if (last)	2444	if (last)
2460	last->next = field->next;	2445	last->next = field->next;
…		…
2529	}	2514	}
2530	else	2515	else
2531	item = item->env;	2516	item = item->env;
2532	}	2517	}
2533		2518
2534
2535	const char *	2519	const char *
2536	object::flag_desc (char *desc, int len) const	2520	object::flag_desc (char *desc, int len) const
2537	{	2521	{
2538	char *p = desc;	2522	char *p = desc;
2539	bool first = true;	2523	bool first = true;
…		…
2566	{	2550	{
2567	char flagdesc[512];	2551	char flagdesc[512];
2568	char info2[256 * 4];	2552	char info2[256 * 4];
2569	char *p = info;	2553	char *p = info;
2570		2554
2571	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2555	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2572	count, uuid.seq,	2556	count,
		2557	uuid.c_str (),
2573	&name,	2558	&name,
2574	title ? "\",title:\"" : "",	2559	title ? "\",title:\"" : "",
2575	title ? (const char *)title : "",	2560	title ? (const char *)title : "",
2576	flag_desc (flagdesc, 512), type);	2561	flag_desc (flagdesc, 512), type);
2577		2562
2578	if (env)	2563	if (!this->flag[FLAG_REMOVED] && env)
2579	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2564	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2580		2565
2581	if (map)	2566	if (map)
2582	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2567	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2583		2568
…		…
2585	}	2570	}
2586		2571
2587	const char *	2572	const char *
2588	object::debug_desc () const	2573	object::debug_desc () const
2589	{	2574	{
2590	static char info[256 * 4];	2575	static char info[3][256 * 4];
		2576	static int info_idx;
		2577
2591	return debug_desc (info);	2578	return debug_desc (info [++info_idx % 3]);
2592	}	2579	}
2593		2580
2594	const char *	2581	struct region *
2595	object::debug_desc2 () const	2582	object::region () const
2596	{	2583	{
2597	static char info[256 * 4];	2584	return map ? map->region (x, y)
2598	return debug_desc (info);	2585	: region::default_region ();
2599	}	2586	}
2600		2587
		2588	const materialtype_t *
		2589	object::dominant_material () const
		2590	{
		2591	if (materialtype_t *mt = name_to_material (materialname))
		2592	return mt;
		2593
		2594	return name_to_material (shstr_unknown);
		2595	}
		2596
		2597	void
		2598	object::open_container (object *new_container)
		2599	{
		2600	if (container == new_container)
		2601	return;
		2602
		2603	if (object *old_container = container)
		2604	{
		2605	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2606	return;
		2607
		2608	#if 0
		2609	// remove the "Close old_container" object.
		2610	if (object *closer = old_container->inv)
		2611	if (closer->type == CLOSE_CON)
		2612	closer->destroy ();
		2613	#endif
		2614
		2615	old_container->flag [FLAG_APPLIED] = 0;
		2616	container = 0;
		2617
		2618	esrv_update_item (UPD_FLAGS, this, old_container);
		2619	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2620	play_sound (sound_find ("chest_close"));
		2621	}
		2622
		2623	if (new_container)
		2624	{
		2625	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2626	return;
		2627
		2628	// TODO: this does not seem to serve any purpose anymore?
		2629	#if 0
		2630	// insert the "Close Container" object.
		2631	if (archetype *closer = new_container->other_arch)
		2632	{
		2633	object *closer = arch_to_object (new_container->other_arch);
		2634	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2635	new_container->insert (closer);
		2636	}
		2637	#endif
		2638
		2639	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2640
		2641	new_container->flag [FLAG_APPLIED] = 1;
		2642	container = new_container;
		2643
		2644	esrv_update_item (UPD_FLAGS, this, new_container);
		2645	esrv_send_inventory (this, new_container);
		2646	play_sound (sound_find ("chest_open"));
		2647	}
		2648	}
		2649
		2650	object *
		2651	object::force_find (const shstr name)
		2652	{
		2653	/* cycle through his inventory to look for the MARK we want to
		2654	* place
		2655	*/
		2656	for (object *tmp = inv; tmp; tmp = tmp->below)
		2657	if (tmp->type == FORCE && tmp->slaying == name)
		2658	return splay (tmp);
		2659
		2660	return 0;
		2661	}
		2662
		2663	void
		2664	object::force_add (const shstr name, int duration)
		2665	{
		2666	if (object *force = force_find (name))
		2667	force->destroy ();
		2668
		2669	object *force = get_archetype (FORCE_NAME);
		2670
		2671	force->slaying = name;
		2672	force->stats.food = 1;
		2673	force->speed_left = -1.f;
		2674
		2675	force->set_speed (duration ? 1.f / duration : 0.f);
		2676	force->flag [FLAG_IS_USED_UP] = true;
		2677	force->flag [FLAG_APPLIED] = true;
		2678
		2679	insert (force);
		2680	}
		2681
		2682	void
		2683	object::play_sound (faceidx sound)
		2684	{
		2685	if (!sound)
		2686	return;
		2687
		2688	if (flag [FLAG_REMOVED])
		2689	return;
		2690
		2691	if (env)
		2692	{
		2693	if (object *pl = in_player ())
		2694	pl->contr->play_sound (sound);
		2695	}
		2696	else
		2697	map->play_sound (sound, x, y);
		2698	}
		2699

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