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Comparing deliantra/server/common/object.C (file contents):
Revision 1.87 by root, Tue Dec 26 08:54:59 2006 UTC vs.
Revision 1.222 by root, Wed Apr 30 05:06:36 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 (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
8	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
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	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,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	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
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	24	#include <global.h>
28	#include <stdio.h>	25	#include <stdio.h>
29	#include <sys/types.h>	26	#include <sys/types.h>
30	#include <sys/uio.h>	27	#include <sys/uio.h>
31	#include <object.h>	28	#include <object.h>
32	#include <funcpoint.h>	29	#include <sproto.h>
33	#include <loader.h>	30	#include <loader.h>
34		31
35	#include <bitset>	32	#include <bitset>
36		33
37	int nrofallocobjects = 0;	34	UUID UUID::cur;
38	static UUID uuid;	35	static uint64_t seq_next_save;
39	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
40		37
41	object *active_objects; /* List of active objects that need to be processed */	38	objectvec objects;
		39	activevec actives;
42		40
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,	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,
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	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
45	};	46	};
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,	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,
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	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
48	};	52	};
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,	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,
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	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
51	};	58	};
52	int freedir[SIZEOFFREE] = {	59	int freedir[SIZEOFFREE] = {
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,	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,
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	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
55	};	64	};
56		65
57	static void	66	static void
58	write_uuid (void)	67	write_uuid (uval64 skip, bool sync)
59	{	68	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	69	CALL_BEGIN (2);
61		70	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	71	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	72	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		73	CALL_END;
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	}	74	}
77		75
78	static void	76	static void
79	read_uuid (void)	77	read_uuid (void)
80	{	78	{
81	char filename[MAX_BUF];	79	char filename[MAX_BUF];
82		80
83	sprintf (filename, "%s/uuid", settings.localdir);	81	sprintf (filename, "%s/uuid", settings.localdir);
		82
		83	seq_next_save = 0;
84		84
85	FILE *fp;	85	FILE *fp;
86		86
87	if (!(fp = fopen (filename, "r")))	87	if (!(fp = fopen (filename, "r")))
88	{	88	{
89	if (errno == ENOENT)	89	if (errno == ENOENT)
90	{	90	{
91	LOG (llevInfo, "RESET uid to 1\n");	91	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	92	UUID::cur.seq = 0;
93	write_uuid ();	93	write_uuid (UUID_GAP, true);
94	return;	94	return;
95	}	95	}
96		96
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	98	_exit (1);
99	}	99	}
100		100
101	int version;	101	UUID::BUF buf;
102	unsigned long long uid;	102	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	103	fgets (buf, sizeof (buf), fp);
		104
		105	if (!UUID::cur.parse (buf))
104	{	106	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	107	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	108	_exit (1);
107	}	109	}
108		110
109	uuid.seq = uid;	111	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	112
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	113	write_uuid (UUID_GAP, true);
112	fclose (fp);	114	fclose (fp);
113	}	115	}
114		116
115	UUID	117	UUID
116	gen_uuid ()	118	UUID::gen ()
117	{	119	{
118	UUID uid;	120	UUID uid;
119		121
120	uid.seq = ++uuid.seq;	122	uid.seq = ++cur.seq;
121		123
122	if (!(uuid.seq & (UUID_SKIP - 1)))	124	if (expect_false (cur.seq >= seq_next_save))
123	write_uuid ();	125	{
		126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		127	write_uuid (UUID_GAP, false);
		128	}
		129
124		130
125	return uid;	131	return uid;
126	}	132	}
127		133
128	void	134	void
129	init_uuid ()	135	UUID::init ()
130	{	136	{
131	read_uuid ();	137	read_uuid ();
132	}	138	}
133		139
134	/* 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. */
135	static int	141	static bool
136	compare_ob_value_lists_one (const object *wants, const object *has)	142	compare_ob_value_lists_one (const object *wants, const object *has)
137	{	143	{
138	key_value *wants_field;	144	key_value *wants_field;
139		145
140	/* 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
…		…
148	key_value *has_field;	154	key_value *has_field;
149		155
150	/* Look for a field in has with the same key. */	156	/* Look for a field in has with the same key. */
151	has_field = get_ob_key_link (has, wants_field->key);	157	has_field = get_ob_key_link (has, wants_field->key);
152		158
153	if (has_field == NULL)	159	if (!has_field)
154	{
155	/* No field with that name. */	160	return 0; /* No field with that name. */
156	return FALSE;
157	}
158		161
159	/* Found the matching field. */	162	/* Found the matching field. */
160	if (has_field->value != wants_field->value)	163	if (has_field->value != wants_field->value)
161	{
162	/* 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. */
163	return FALSE;
164	}
165		165
166	/* 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. */
167	}	167	}
168		168
169	/* 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. */
170	return TRUE;	170	return 1;
171	}	171	}
172		172
173	/* 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	174	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	175	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	176	{
177	/* 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,
178	* so we need to run the comparison *twice*. :(	178	* so we need to run the comparison *twice*. :(
179	*/	179	*/
…		…
190	* Check nrof variable *before* calling can_merge()	190	* Check nrof variable *before* calling can_merge()
191	*	191	*
192	* Improvements made with merge: Better checking on potion, and also	192	* Improvements made with merge: Better checking on potion, and also
193	* check weight	193	* check weight
194	*/	194	*/
195
196	bool object::can_merge_slow (object *ob1, object *ob2)	195	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	196	{
198	/* A couple quicksanity checks */	197	/* A couple quicksanity checks */
199	if (ob1 == ob2	198	if (ob1 == ob2
200	|| ob1->type != ob2->type	199	|| ob1->type != ob2->type
201	|| ob1->speed != ob2->speed	200	|| ob1->speed != ob2->speed
202	|| ob1->value != ob2->value	201	|| ob1->value != ob2->value
203	|| ob1->name != ob2->name)	202	|| ob1->name != ob2->name)
204	return 0;	203	return 0;
205		204
206	//TODO: this ain't working well, use nicer and correct overflow check	205	/* Do not merge objects if nrof would overflow. First part checks
207	/* 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
208	* 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
209	* used to store nrof).	208	* nrof values.
210	*/	209	*/
211	if (ob1->nrof + ob2->nrof >= 1UL << 31)	210	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
212	return 0;	211	return 0;
213		212
214	/* If the objects have been identified, set the BEEN_APPLIED flag.	213	/* 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	214	* 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	215	* 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	216	* are not equal - just if it has been identified, the been_applied
218	* flags lose any meaning.	217	* flags lose any meaning.
219	*/	218	*/
220	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
222		221
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
225		224
226	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	225	if (ob1->arch->name != ob2->arch->name
227	|| ob1->arch != ob2->arch
228	|| ob1->name != ob2->name	226	|| ob1->name != ob2->name
229	|| ob1->title != ob2->title	227	|| ob1->title != ob2->title
230	|| ob1->msg != ob2->msg	228	|| ob1->msg != ob2->msg
231	|| ob1->weight != ob2->weight	229	|| 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	230	|| ob1->attacktype != ob2->attacktype
235	|| ob1->magic != ob2->magic	231	|| ob1->magic != ob2->magic
236	|| ob1->slaying != ob2->slaying	232	|| ob1->slaying != ob2->slaying
237	|| ob1->skill != ob2->skill	233	|| ob1->skill != ob2->skill
238	|| ob1->value != ob2->value	234	|| ob1->value != ob2->value
…		…
245	|| ob1->move_block != ob2->move_block	241	|| ob1->move_block != ob2->move_block
246	|| ob1->move_allow != ob2->move_allow	242	|| ob1->move_allow != ob2->move_allow
247	|| ob1->move_on != ob2->move_on	243	|| ob1->move_on != ob2->move_on
248	|| ob1->move_off != ob2->move_off	244	|| ob1->move_off != ob2->move_off
249	|| ob1->move_slow != ob2->move_slow	245	|| ob1->move_slow != ob2->move_slow
250	|| 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)))
251	return 0;	249	return 0;
252		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
253	/* This is really a spellbook check - really, we should	258	/* This is really a spellbook check - we should in general
254	* check all objects in the inventory.	259	* not merge objects with real inventories, as splitting them
		260	* is hard.
255	*/	261	*/
256	if (ob1->inv || ob2->inv)	262	if (ob1->inv || ob2->inv)
257	{	263	{
258	/* if one object has inventory but the other doesn't, not equiv */	264	if (!(ob1->inv && ob2->inv))
259	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	265	return 0; /* inventories differ in length */
260	return 0;
261		266
262	/* 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
263	if (!object::can_merge (ob1->inv, ob2->inv))	270	if (!object::can_merge (ob1->inv, ob2->inv))
264	return 0;	271	return 0; /* inventory objects differ */
265		272
266	/* 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
267	* if it is valid.	274	* if it is valid.
268	*/	275	*/
269	}	276	}
…		…
277		284
278	/* Note sure why the following is the case - either the object has to	285	/* 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	286	* be animated or have a very low speed. Is this an attempted monster
280	* check?	287	* check?
281	*/	288	*/
282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	289	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
283	return 0;	290	return 0;
284		291
285	switch (ob1->type)	292	switch (ob1->type)
286	{	293	{
287	case SCROLL:	294	case SCROLL:
288	if (ob1->level != ob2->level)	295	if (ob1->level != ob2->level)
289	return 0;	296	return 0;
290	break;	297	break;
291	}	298	}
292		299
293	if (ob1->key_values != NULL || ob2->key_values != NULL)	300	if (ob1->key_values || ob2->key_values)
294	{	301	{
295	/* At least one of these has key_values. */	302	/* At least one of these has key_values. */
296	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	303	if ((!ob1->key_values) != (!ob2->key_values))
297	/* 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))
298	return 0;	307	return 0;
299	else if (!compare_ob_value_lists (ob1, ob2))
300	return 0;
301	}	308	}
302		309
303	//TODO: generate an event or call into perl for additional checks
304	if (ob1->self || ob2->self)	310	if (ob1->self || ob2->self)
305	{	311	{
306	ob1->optimise ();	312	ob1->optimise ();
307	ob2->optimise ();	313	ob2->optimise ();
308		314
309	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)
310	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	}
311	}	329	}
312		330
313	/* Everything passes, must be OK. */	331	/* Everything passes, must be OK. */
314	return 1;	332	return 1;
315	}	333	}
316		334
		335	// find player who can see this object
		336	object *
		337	object::visible_to () const
		338	{
		339	if (client_visible () && !flag [FLAG_REMOVED])
		340	{
		341	// see if we are in a container of sorts
		342	if (env)
		343	{
		344	// the player inventory itself is always visible
		345	if (env->type == PLAYER)
		346	return env;
		347
		348	// else a player could have our env open
		349	object *envest = env->outer_env ();
		350
		351	// the player itself is always on a map, so we will find him here
		352	// even if our inv is in a player.
		353	if (envest->is_on_map ())
		354	if (object *pl = envest->ms ().player ())
		355	if (pl->container == env)
		356	return pl;
		357	}
		358	else
		359	{
		360	// maybe there is a player standing on the same mapspace
		361	// this will catch the case where "this" is a player
		362	if (object *pl = ms ().player ())
		363	if (!pl->container || this == pl->container)
		364	return pl;
		365	}
		366	}
		367
		368	return 0;
		369	}
		370
		371	// adjust weight per container type ("of holding")
		372	static sint32
		373	weight_adjust (object *op, sint32 weight)
		374	{
		375	return op->type == CONTAINER
		376	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		377	: weight;
		378	}
		379
317	/*	380	/*
		381	* adjust_weight(object, weight) adds the specified weight to an object,
		382	* and also updates how much the environment(s) is/are carrying.
		383	*/
		384	static void
		385	adjust_weight (object *op, sint32 weight)
		386	{
		387	while (op)
		388	{
		389	weight = weight_adjust (op, weight);
		390
		391	if (!weight)
		392	return;
		393
		394	op->carrying += weight;
		395
		396	if (object *pl = op->visible_to ())
		397	if (pl != op) // player is handled lazily
		398	esrv_update_item (UPD_WEIGHT, pl, op);
		399
		400	op = op->env;
		401	}
		402	}
		403
		404	/*
318	* sum_weight() is a recursive function which calculates the weight	405	* this is a recursive function which calculates the weight
319	* an object is carrying. It goes through in figures out how much	406	* an object is carrying. It goes through op and figures out how much
320	* containers are carrying, and sums it up.	407	* containers are carrying, and sums it up.
321	*/	408	*/
322	long	409	void
323	sum_weight (object *op)	410	object::update_weight ()
324	{	411	{
325	long sum;	412	sint32 sum = 0;
326	object *inv;
327		413
328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	414	for (object *op = inv; op; op = op->below)
329	{	415	{
330	if (inv->inv)	416	if (op->inv)
331	sum_weight (inv);	417	op->update_weight ();
332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	418
		419	sum += op->total_weight ();
		420	}
		421
		422	sum = weight_adjust (this, sum);
		423
		424	if (sum != carrying)
333	}	425	{
334
335	if (op->type == CONTAINER && op->stats.Str)
336	sum = (sum * (100 - op->stats.Str)) / 100;
337
338	if (op->carrying != sum)
339	op->carrying = sum;	426	carrying = sum;
340		427
341	return sum;	428	if (object *pl = visible_to ())
		429	if (pl != this) // player is handled lazily
		430	esrv_update_item (UPD_WEIGHT, pl, this);
		431	}
342	}	432	}
343		433
344	/**	434	/*
345	* Return the outermost environment object for a given object.	435	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
346	*/	436	*/
347
348	object *
349	object_get_env_recursive (object *op)
350	{
351	while (op->env != NULL)
352	op = op->env;
353	return op;
354	}
355
356	/*
357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
358	* Some error messages.
359	* The result of the dump is stored in the static global errmsg array.
360	*/
361
362	char *	437	char *
363	dump_object (object *op)	438	dump_object (object *op)
364	{	439	{
365	if (!op)	440	if (!op)
366	return strdup ("[NULLOBJ]");	441	return strdup ("[NULLOBJ]");
367		442
368	object_freezer freezer;	443	object_freezer freezer;
369	save_object (freezer, op, 1);	444	op->write (freezer);
370	return freezer.as_string ();	445	return freezer.as_string ();
371	}	446	}
372		447
373	/*	448	/*
374	* get_nearest_part(multi-object, object 2) returns the part of the	449	* get_nearest_part(multi-object, object 2) returns the part of the
375	* multi-object 1 which is closest to the second object.	450	* multi-object 1 which is closest to the second object.
376	* If it's not a multi-object, it is returned.	451	* If it's not a multi-object, it is returned.
377	*/	452	*/
378
379	object *	453	object *
380	get_nearest_part (object *op, const object *pl)	454	get_nearest_part (object *op, const object *pl)
381	{	455	{
382	object *tmp, *closest;	456	object *tmp, *closest;
383	int last_dist, i;	457	int last_dist, i;
384		458
385	if (op->more == NULL)	459	if (!op->more)
386	return op;	460	return op;
		461
387	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	462	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		463	tmp;
		464	tmp = tmp->more)
388	if ((i = distance (tmp, pl)) < last_dist)	465	if ((i = distance (tmp, pl)) < last_dist)
389	closest = tmp, last_dist = i;	466	closest = tmp, last_dist = i;
		467
390	return closest;	468	return closest;
391	}	469	}
392		470
393	/*	471	/*
394	* Returns the object which has the count-variable equal to the argument.	472	* Returns the object which has the count-variable equal to the argument.
		473	* VERRRY slow.
395	*/	474	*/
396
397	object *	475	object *
398	find_object (tag_t i)	476	find_object (tag_t i)
399	{	477	{
400	for (object *op = object::first; op; op = op->next)	478	for_all_objects (op)
401	if (op->count == i)	479	if (op->count == i)
402	return op;	480	return op;
403		481
404	return 0;	482	return 0;
405	}	483	}
406		484
407	/*	485	/*
408	* Returns the first object which has a name equal to the argument.	486	* Returns the first object which has a name equal to the argument.
409	* Used only by the patch command, but not all that useful.	487	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	488	* Enables features like "patch <name-of-other-player> food 999"
411	*/	489	*/
412
413	object *	490	object *
414	find_object_name (const char *str)	491	find_object_name (const char *str)
415	{	492	{
416	shstr_cmp str_ (str);	493	shstr_cmp str_ (str);
417	object *op;	494	object *op;
418		495
419	for (op = object::first; op != NULL; op = op->next)	496	for_all_objects (op)
420	if (op->name == str_)	497	if (op->name == str_)
421	break;	498	break;
422		499
423	return op;	500	return op;
424	}	501	}
425		502
426	void
427	free_all_object_data ()
428	{
429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
430	}
431
432	/*	503	/*
433	* Sets the owner and sets the skill and exp pointers to owner's current	504	* Sets the owner and sets the skill and exp pointers to owner's current
434	* skill and experience objects.	505	* skill and experience objects.
		506	* ACTUALLY NO! investigate! TODO
435	*/	507	*/
436	void	508	void
437	object::set_owner (object *owner)	509	object::set_owner (object *owner)
438	{	510	{
		511	// allow objects which own objects
439	if (!owner)	512	if (owner)
440	return;
441
442	/* next line added to allow objects which own objects */
443	/* Add a check for ownercounts in here, as I got into an endless loop
444	* with the fireball owning a poison cloud which then owned the
445	* fireball. I believe that was caused by one of the objects getting
446	* freed and then another object replacing it. Since the ownercounts
447	* didn't match, this check is valid and I believe that cause is valid.
448	*/
449	while (owner->owner)	513	while (owner->owner)
450	owner = owner->owner;	514	owner = owner->owner;
		515
		516	if (flag [FLAG_FREED])
		517	{
		518	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		519	return;
		520	}
451		521
452	this->owner = owner;	522	this->owner = owner;
		523	}
		524
		525	int
		526	object::slottype () const
		527	{
		528	if (type == SKILL)
		529	{
		530	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		531	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		532	}
		533	else
		534	{
		535	if (slot [body_combat].info) return slot_combat;
		536	if (slot [body_range ].info) return slot_ranged;
		537	}
		538
		539	return slot_none;
		540	}
		541
		542	bool
		543	object::change_weapon (object *ob)
		544	{
		545	if (current_weapon == ob)
		546	return true;
		547
		548	if (chosen_skill)
		549	chosen_skill->flag [FLAG_APPLIED] = false;
		550
		551	current_weapon = ob;
		552	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		553
		554	if (chosen_skill)
		555	chosen_skill->flag [FLAG_APPLIED] = true;
		556
		557	update_stats ();
		558
		559	if (ob)
		560	{
		561	// now check wether any body locations became invalid, in which case
		562	// we cannot apply the weapon at the moment.
		563	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		564	if (slot[i].used < 0)
		565	{
		566	current_weapon = chosen_skill = 0;
		567	update_stats ();
		568
		569	new_draw_info_format (NDI_UNIQUE, 0, this,
		570	"You try to balance all your items at once, "
		571	"but the %s is just too much for your body. "
		572	"[You need to unapply some items first.]", &ob->name);
		573	return false;
		574	}
		575
		576	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		577	}
		578	else
		579	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		580
		581	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		582	{
		583	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		584	&name, ob->debug_desc ());
		585	return false;
		586	}
		587
		588	return true;
453	}	589	}
454		590
455	/* Zero the key_values on op, decrementing the shared-string	591	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	592	* refcounts and freeing the links.
457	*/	593	*/
458	static void	594	static void
459	free_key_values (object *op)	595	free_key_values (object *op)
460	{	596	{
461	for (key_value *i = op->key_values; i != 0;)	597	for (key_value *i = op->key_values; i; )
462	{	598	{
463	key_value *next = i->next;	599	key_value *next = i->next;
464	delete i;	600	delete i;
465		601
466	i = next;	602	i = next;
467	}	603	}
468		604
469	op->key_values = 0;	605	op->key_values = 0;
470	}	606	}
471		607
472	/*	608	object &
473	* copy_to first frees everything allocated by the dst object,	609	object::operator =(const object &src)
474	* and then copies the contents of itself into the second
475	* object, allocating what needs to be allocated. Basically, any
476	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
477	* if the first object is freed, the pointers in the new object
478	* will point at garbage.
479	*/
480	void
481	object::copy_to (object *dst)
482	{	610	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	611	bool is_freed = flag [FLAG_FREED];
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);	612	bool is_removed = flag [FLAG_REMOVED];
485		613
486	*(object_copy *)dst = *this;	614	*(object_copy *)this = src;
487		615
488	if (is_freed)	616	flag [FLAG_FREED] = is_freed;
489	SET_FLAG (dst, FLAG_FREED);	617	flag [FLAG_REMOVED] = is_removed;
490
491	if (is_removed)
492	SET_FLAG (dst, FLAG_REMOVED);
493
494	if (speed < 0)
495	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
496		618
497	/* Copy over key_values, if any. */	619	/* Copy over key_values, if any. */
498	if (key_values)	620	if (src.key_values)
499	{	621	{
500	key_value *tail = 0;	622	key_value *tail = 0;
501	key_value *i;
502
503	dst->key_values = 0;	623	key_values = 0;
504		624
505	for (i = key_values; i; i = i->next)	625	for (key_value *i = src.key_values; i; i = i->next)
506	{	626	{
507	key_value *new_link = new key_value;	627	key_value *new_link = new key_value;
508		628
509	new_link->next = 0;	629	new_link->next = 0;
510	new_link->key = i->key;	630	new_link->key = i->key;
511	new_link->value = i->value;	631	new_link->value = i->value;
512		632
513	/* Try and be clever here, too. */	633	/* Try and be clever here, too. */
514	if (!dst->key_values)	634	if (!key_values)
515	{	635	{
516	dst->key_values = new_link;	636	key_values = new_link;
517	tail = new_link;	637	tail = new_link;
518	}	638	}
519	else	639	else
520	{	640	{
521	tail->next = new_link;	641	tail->next = new_link;
522	tail = new_link;	642	tail = new_link;
523	}	643	}
524	}	644	}
525	}	645	}
		646	}
		647
		648	/*
		649	* copy_to first frees everything allocated by the dst object,
		650	* and then copies the contents of itself into the second
		651	* object, allocating what needs to be allocated. Basically, any
		652	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		653	* if the first object is freed, the pointers in the new object
		654	* will point at garbage.
		655	*/
		656	void
		657	object::copy_to (object *dst)
		658	{
		659	*dst = *this;
		660
		661	if (speed < 0)
		662	dst->speed_left -= rndm ();
526		663
527	dst->set_speed (dst->speed);	664	dst->set_speed (dst->speed);
		665	}
		666
		667	void
		668	object::instantiate ()
		669	{
		670	if (!uuid.seq) // HACK
		671	uuid = UUID::gen ();
		672
		673	speed_left = -0.1f;
		674	/* copy the body_info to the body_used - this is only really
		675	* need for monsters, but doesn't hurt to do it for everything.
		676	* by doing so, when a monster is created, it has good starting
		677	* values for the body_used info, so when items are created
		678	* for it, they can be properly equipped.
		679	*/
		680	for (int i = NUM_BODY_LOCATIONS; i--; )
		681	slot[i].used = slot[i].info;
		682
		683	attachable::instantiate ();
528	}	684	}
529		685
530	object *	686	object *
531	object::clone ()	687	object::clone ()
532	{	688	{
…		…
538	/*	694	/*
539	* If an object with the IS_TURNABLE() flag needs to be turned due	695	* If an object with the IS_TURNABLE() flag needs to be turned due
540	* to the closest player being on the other side, this function can	696	* to the closest player being on the other side, this function can
541	* be called to update the face variable, _and_ how it looks on the map.	697	* be called to update the face variable, _and_ how it looks on the map.
542	*/	698	*/
543
544	void	699	void
545	update_turn_face (object *op)	700	update_turn_face (object *op)
546	{	701	{
547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	702	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
548	return;	703	return;
		704
549	SET_ANIMATION (op, op->direction);	705	SET_ANIMATION (op, op->direction);
550	update_object (op, UP_OBJ_FACE);	706	update_object (op, UP_OBJ_FACE);
551	}	707	}
552		708
553	/*	709	/*
…		…
556	* This function needs to be called whenever the speed of an object changes.	712	* This function needs to be called whenever the speed of an object changes.
557	*/	713	*/
558	void	714	void
559	object::set_speed (float speed)	715	object::set_speed (float speed)
560	{	716	{
561	extern int arch_init;
562
563	/* No reason putting the archetypes objects on the speed list,
564	* since they never really need to be updated.
565	*/
566	if (flag [FLAG_FREED] && speed)	717	if (flag [FLAG_FREED] && speed)
567	{	718	{
568	LOG (llevError, "Object %s is freed but has speed.\n", &name);	719	LOG (llevError, "Object %s is freed but has speed.\n", &name);
569	speed = 0;	720	speed = 0;
570	}	721	}
571		722
572	this->speed = speed;	723	this->speed = speed;
573		724
574	if (arch_init)	725	if (has_active_speed ())
575	return;	726	activate ();
576
577	if (FABS (speed) > MIN_ACTIVE_SPEED)
578	{
579	/* If already on active list, don't do anything */
580	if (active_next || active_prev || this == active_objects)
581	return;
582
583	/* process_events() expects us to insert the object at the beginning
584	* of the list. */
585	active_next = active_objects;
586
587	if (active_next)
588	active_next->active_prev = this;
589
590	active_objects = this;
591	}
592	else	727	else
593	{	728	deactivate ();
594	/* If not on the active list, nothing needs to be done */
595	if (!active_next && !active_prev && this != active_objects)
596	return;
597
598	if (!active_prev)
599	{
600	active_objects = active_next;
601
602	if (active_next)
603	active_next->active_prev = 0;
604	}
605	else
606	{
607	active_prev->active_next = active_next;
608
609	if (active_next)
610	active_next->active_prev = active_prev;
611	}
612
613	active_next = 0;
614	active_prev = 0;
615	}
616	}
617
618	/* This function removes object 'op' from the list of active
619	* objects.
620	* This should only be used for style maps or other such
621	* reference maps where you don't want an object that isn't
622	* in play chewing up cpu time getting processed.
623	* The reverse of this is to call update_ob_speed, which
624	* will do the right thing based on the speed of the object.
625	*/
626	void
627	remove_from_active_list (object *op)
628	{
629	/* If not on the active list, nothing needs to be done */
630	if (!op->active_next && !op->active_prev && op != active_objects)
631	return;
632
633	if (op->active_prev == NULL)
634	{
635	active_objects = op->active_next;
636	if (op->active_next != NULL)
637	op->active_next->active_prev = NULL;
638	}
639	else
640	{
641	op->active_prev->active_next = op->active_next;
642	if (op->active_next)
643	op->active_next->active_prev = op->active_prev;
644	}
645	op->active_next = NULL;
646	op->active_prev = NULL;
647	}	729	}
648		730
649	/*	731	/*
650	* update_object() updates the the map.	732	* update_object() updates the the map.
651	* It takes into account invisible objects (and represent squares covered	733	* It takes into account invisible objects (and represent squares covered
…		…
664	* UP_OBJ_FACE: only the objects face has changed.	746	* UP_OBJ_FACE: only the objects face has changed.
665	*/	747	*/
666	void	748	void
667	update_object (object *op, int action)	749	update_object (object *op, int action)
668	{	750	{
669	MoveType move_on, move_off, move_block, move_slow;	751	if (!op)
670
671	if (op == NULL)
672	{	752	{
673	/* this should never happen */	753	/* this should never happen */
674	LOG (llevDebug, "update_object() called for NULL object.\n");	754	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
675	return;	755	return;
676	}	756	}
677		757
678	if (op->env)	758	if (!op->is_on_map ())
679	{	759	{
680	/* Animation is currently handled by client, so nothing	760	/* Animation is currently handled by client, so nothing
681	* to do in this case.	761	* to do in this case.
682	*/	762	*/
683	return;	763	return;
684	}	764	}
685
686	/* If the map is saving, don't do anything as everything is
687	* going to get freed anyways.
688	*/
689	if (!op->map || op->map->in_memory == MAP_SAVING)
690	return;
691		765
692	/* make sure the object is within map boundaries */	766	/* make sure the object is within map boundaries */
693	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	767	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
694	{	768	{
695	LOG (llevError, "update_object() called for object out of map!\n");	769	LOG (llevError, "update_object() called for object out of map!\n");
…		…
699	return;	773	return;
700	}	774	}
701		775
702	mapspace &m = op->ms ();	776	mapspace &m = op->ms ();
703		777
704	if (m.flags_ & P_NEED_UPDATE)	778	if (!(m.flags_ & P_UPTODATE))
705	/* nop */;	779	/* nop */;
706	else if (action == UP_OBJ_INSERT)	780	else if (action == UP_OBJ_INSERT)
707	{	781	{
708	// this is likely overkill, TODO: revisit (schmorp)	782	// this is likely overkill, TODO: revisit (schmorp)
709	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	783	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
…		…
718	/* This isn't perfect, but I don't expect a lot of objects to	792	/* This isn't perfect, but I don't expect a lot of objects to
719	* to have move_allow right now.	793	* to have move_allow right now.
720	*/	794	*/
721	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	795	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
722	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	796	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
723	m.flags_ = P_NEED_UPDATE;	797	m.flags_ = 0;
724	}	798	}
725	/* if the object is being removed, we can't make intelligent	799	/* if the object is being removed, we can't make intelligent
726	* decisions, because remove_ob can't really pass the object	800	* decisions, because remove_ob can't really pass the object
727	* that is being removed.	801	* that is being removed.
728	*/	802	*/
729	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	803	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
730	m.flags_ = P_NEED_UPDATE;	804	m.flags_ = 0;
731	else if (action == UP_OBJ_FACE)	805	else if (action == UP_OBJ_FACE)
732	/* Nothing to do for that case */ ;	806	/* Nothing to do for that case */ ;
733	else	807	else
734	LOG (llevError, "update_object called with invalid action: %d\n", action);	808	LOG (llevError, "update_object called with invalid action: %d\n", action);
735		809
736	if (op->more)	810	if (op->more)
737	update_object (op->more, action);	811	update_object (op->more, action);
738	}	812	}
739		813
740	object::vector object::objects; // not yet used
741	object *object::first;
742
743	object::object ()	814	object::object ()
744	{	815	{
745	SET_FLAG (this, FLAG_REMOVED);	816	SET_FLAG (this, FLAG_REMOVED);
746		817
747	expmul = 1.0;	818	expmul = 1.0;
748	face = blank_face;	819	face = blank_face;
749	}	820	}
750		821
751	object::~object ()	822	object::~object ()
752	{	823	{
		824	unlink ();
		825
753	free_key_values (this);	826	free_key_values (this);
754	}	827	}
755		828
		829	static int object_count;
		830
756	void object::link ()	831	void object::link ()
757	{	832	{
		833	assert (!index);//D
		834	uuid = UUID::gen ();
758	count = ++ob_count;	835	count = ++object_count;
759	uuid = gen_uuid ();
760		836
761	prev = 0;	837	refcnt_inc ();
762	next = object::first;	838	objects.insert (this);
763
764	if (object::first)
765	object::first->prev = this;
766
767	object::first = this;
768	}	839	}
769		840
770	void object::unlink ()	841	void object::unlink ()
771	{	842	{
772	if (this == object::first)	843	if (!index)
773	object::first = next;
774
775	/* Remove this object from the list of used objects */
776	if (prev) prev->next = next;
777	if (next) next->prev = prev;
778
779	prev = 0;
780	next = 0;
781	}
782
783	object *object::create ()
784	{
785	object *op = new object;
786	op->link ();
787	return op;	844	return;
		845
		846	objects.erase (this);
		847	refcnt_dec ();
788	}	848	}
789		849
790	void	850	void
791	object::do_destroy ()	851	object::activate ()
792	{	852	{
793	attachable::do_destroy ();	853	/* If already on active list, don't do anything */
794		854	if (active)
795	if (flag [FLAG_IS_LINKED])
796	remove_button_link (this);
797
798	if (flag [FLAG_FRIENDLY])
799	remove_friendly_object (this);
800
801	if (!flag [FLAG_REMOVED])
802	remove ();
803
804	if (flag [FLAG_FREED])
805	return;	855	return;
806		856
807	flag [FLAG_FREED] = 1;	857	if (has_active_speed ())
		858	actives.insert (this);
		859	}
808		860
809	// hack to ensure that freed objects still have a valid map	861	void
810	{	862	object::activate_recursive ()
811	static maptile *freed_map; // freed objects are moved here to avoid crashes	863	{
		864	activate ();
812		865
813	if (!freed_map)	866	for (object *op = inv; op; op = op->below)
		867	op->activate_recursive ();
		868	}
		869
		870	/* This function removes object 'op' from the list of active
		871	* objects.
		872	* This should only be used for style maps or other such
		873	* reference maps where you don't want an object that isn't
		874	* in play chewing up cpu time getting processed.
		875	* The reverse of this is to call update_ob_speed, which
		876	* will do the right thing based on the speed of the object.
		877	*/
		878	void
		879	object::deactivate ()
		880	{
		881	/* If not on the active list, nothing needs to be done */
		882	if (!active)
		883	return;
		884
		885	actives.erase (this);
		886	}
		887
		888	void
		889	object::deactivate_recursive ()
		890	{
		891	for (object *op = inv; op; op = op->below)
		892	op->deactivate_recursive ();
		893
		894	deactivate ();
		895	}
		896
		897	void
		898	object::set_flag_inv (int flag, int value)
		899	{
		900	for (object *op = inv; op; op = op->below)
814	{	901	{
815	freed_map = new maptile;	902	op->flag [flag] = value;
816		903	op->set_flag_inv (flag, value);
817	freed_map->name = "/internal/freed_objects_map";
818	freed_map->width = 3;
819	freed_map->height = 3;
820
821	freed_map->allocate ();
822	}	904	}
823
824	map = freed_map;
825	x = 1;
826	y = 1;
827	}
828
829	more = 0;
830	head = 0;
831	inv = 0;
832
833	// clear those pointers that likely might have circular references to us
834	owner = 0;
835	enemy = 0;
836	attacked_by = 0;
837
838	// only relevant for players(?), but make sure of it anyways
839	contr = 0;
840
841	/* Remove object from the active list */
842	set_speed (0);
843
844	unlink ();
845	}	905	}
846		906
847	/*	907	/*
848	* Remove and free all objects in the inventory of the given object.	908	* Remove and free all objects in the inventory of the given object.
849	* object.c ?	909	* object.c ?
850	*/	910	*/
851	void	911	void
852	object::destroy_inv (bool drop_to_ground)	912	object::destroy_inv (bool drop_to_ground)
853	{	913	{
		914	// need to check first, because the checks below might segfault
		915	// as we might be on an invalid mapspace and crossfire code
		916	// is too buggy to ensure that the inventory is empty.
		917	// corollary: if you create arrows etc. with stuff in its inventory,
		918	// cf will crash below with off-map x and y
854	if (!inv)	919	if (!inv)
855	return;	920	return;
856		921
857	/* Only if the space blocks everything do we not process -	922	/* Only if the space blocks everything do we not process -
858	* if some form of movement is allowed, let objects	923	* if some form of movement is allowed, let objects
859	* drop on that space.	924	* drop on that space.
860	*/	925	*/
861	if (!drop_to_ground || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)	926	if (!drop_to_ground
		927	|| !map
		928	|| map->in_memory != MAP_ACTIVE
		929	|| map->nodrop
		930	|| ms ().move_block == MOVE_ALL)
862	{	931	{
863	while (inv)	932	while (inv)
864	{	933	{
865	inv->destroy_inv (drop_to_ground);	934	inv->destroy_inv (false);
866	inv->destroy ();	935	inv->destroy ();
867	}	936	}
868	}	937	}
869	else	938	else
870	{ /* Put objects in inventory onto this space */	939	{ /* Put objects in inventory onto this space */
…		…
874		943
875	if (op->flag [FLAG_STARTEQUIP]	944	if (op->flag [FLAG_STARTEQUIP]
876	|| op->flag [FLAG_NO_DROP]	945	|| op->flag [FLAG_NO_DROP]
877	|| op->type == RUNE	946	|| op->type == RUNE
878	|| op->type == TRAP	947	|| op->type == TRAP
879	|| op->flag [FLAG_IS_A_TEMPLATE])	948	|| op->flag [FLAG_IS_A_TEMPLATE]
		949	|| op->flag [FLAG_DESTROY_ON_DEATH])
880	op->destroy ();	950	op->destroy (true);
881	else	951	else
882	{	952	map->insert (op, x, y);
883	op->remove ();
884	op->x = x;
885	op->y = y;
886	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
887	}
888	}	953	}
889	}	954	}
		955	}
		956
		957	object *object::create ()
		958	{
		959	object *op = new object;
		960	op->link ();
		961	return op;
		962	}
		963
		964	void
		965	object::do_destroy ()
		966	{
		967	if (flag [FLAG_IS_LINKED])
		968	remove_button_link (this);
		969
		970	if (flag [FLAG_FRIENDLY])
		971	remove_friendly_object (this);
		972
		973	remove ();
		974
		975	attachable::do_destroy ();
		976
		977	deactivate ();
		978	unlink ();
		979
		980	flag [FLAG_FREED] = 1;
		981
		982	// hack to ensure that freed objects still have a valid map
		983	{
		984	static maptile *freed_map; // freed objects are moved here to avoid crashes
		985
		986	if (!freed_map)
		987	{
		988	freed_map = new maptile;
		989
		990	freed_map->path = "<freed objects map>";
		991	freed_map->name = "/internal/freed_objects_map";
		992	freed_map->width = 3;
		993	freed_map->height = 3;
		994	freed_map->nodrop = 1;
		995
		996	freed_map->alloc ();
		997	freed_map->in_memory = MAP_ACTIVE;
		998	}
		999
		1000	map = freed_map;
		1001	x = 1;
		1002	y = 1;
		1003	}
		1004
		1005	if (more)
		1006	{
		1007	more->destroy ();
		1008	more = 0;
		1009	}
		1010
		1011	head = 0;
		1012
		1013	// clear those pointers that likely might cause circular references
		1014	owner = 0;
		1015	enemy = 0;
		1016	attacked_by = 0;
		1017	current_weapon = 0;
890	}	1018	}
891		1019
892	void	1020	void
893	object::destroy (bool destroy_inventory)	1021	object::destroy (bool destroy_inventory)
894	{	1022	{
895	if (destroyed ())	1023	if (destroyed ())
896	return;	1024	return;
897		1025
898	if (more)	1026	if (!is_head () && !head->destroyed ())
899	{	1027	{
900	//TODO: non-head objects must not have inventory	1028	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
901	more->destroy (destroy_inventory);	1029	head->destroy (destroy_inventory);
902	more = 0;
903	}	1030	}
904		1031
905	if (destroy_inventory)	1032	destroy_inv (!destroy_inventory);
906	destroy_inv (true);	1033
		1034	if (is_head ())
		1035	if (sound_destroy)
		1036	play_sound (sound_destroy);
		1037	else if (flag [FLAG_MONSTER])
		1038	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
907		1039
908	attachable::destroy ();	1040	attachable::destroy ();
909	}
910
911	/*
912	* sub_weight() recursively (outwards) subtracts a number from the
913	* weight of an object (and what is carried by it's environment(s)).
914	*/
915	void
916	sub_weight (object *op, signed long weight)
917	{
918	while (op != NULL)
919	{
920	if (op->type == CONTAINER)
921	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
922
923	op->carrying -= weight;
924	op = op->env;
925	}
926	}	1041	}
927		1042
928	/* op->remove ():	1043	/* op->remove ():
929	* This function removes the object op from the linked list of objects	1044	* This function removes the object op from the linked list of objects
930	* which it is currently tied to. When this function is done, the	1045	* which it is currently tied to. When this function is done, the
931	* object will have no environment. If the object previously had an	1046	* object will have no environment. If the object previously had an
932	* environment, the x and y coordinates will be updated to	1047	* environment, the x and y coordinates will be updated to
933	* the previous environment.	1048	* the previous environment.
934	* Beware: This function is called from the editor as well!
935	*/	1049	*/
936	void	1050	void
937	object::remove ()	1051	object::do_remove ()
938	{	1052	{
939	object *tmp, *last = 0;	1053	object *tmp, *last = 0;
940	object *otmp;	1054	object *otmp;
941		1055
942	if (QUERY_FLAG (this, FLAG_REMOVED))	1056	if (flag [FLAG_REMOVED])
943	return;	1057	return;
944		1058
945	SET_FLAG (this, FLAG_REMOVED);
946	INVOKE_OBJECT (REMOVE, this);	1059	INVOKE_OBJECT (REMOVE, this);
		1060
		1061	flag [FLAG_REMOVED] = true;
947		1062
948	if (more)	1063	if (more)
949	more->remove ();	1064	more->remove ();
950		1065
951	/*	1066	/*
952	* In this case, the object to be removed is in someones	1067	* In this case, the object to be removed is in someones
953	* inventory.	1068	* inventory.
954	*/	1069	*/
955	if (env)	1070	if (env)
956	{	1071	{
		1072	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
		1073	if (object *pl = visible_to ())
		1074	esrv_del_item (pl->contr, count);
		1075	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1076
		1077	adjust_weight (env, -total_weight ());
		1078
		1079	*(above ? &above->below : &env->inv) = below;
		1080
957	if (nrof)	1081	if (below)
958	sub_weight (env, weight * nrof);	1082	below->above = above;
959	else	1083
960	sub_weight (env, weight + carrying);	1084	/* we set up values so that it could be inserted into
		1085	* the map, but we don't actually do that - it is up
		1086	* to the caller to decide what we want to do.
		1087	*/
		1088	map = env->map;
		1089	x = env->x;
		1090	y = env->y;
		1091	above = 0;
		1092	below = 0;
		1093	env = 0;
961		1094
962	/* NO_FIX_PLAYER is set when a great many changes are being	1095	/* NO_FIX_PLAYER is set when a great many changes are being
963	* made to players inventory. If set, avoiding the call	1096	* made to players inventory. If set, avoiding the call
964	* to save cpu time.	1097	* to save cpu time.
965	*/	1098	*/
966	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1099	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
967	otmp->update_stats ();	1100	otmp->update_stats ();
968
969	if (above != NULL)
970	above->below = below;
971	else
972	env->inv = below;
973
974	if (below != NULL)
975	below->above = above;
976
977	/* we set up values so that it could be inserted into
978	* the map, but we don't actually do that - it is up
979	* to the caller to decide what we want to do.
980	*/
981	x = env->x, y = env->y;
982	map = env->map;
983	above = 0, below = 0;
984	env = 0;
985	}	1101	}
986	else if (map)	1102	else if (map)
987	{	1103	{
988	/* Re did the following section of code - it looks like it had	1104	map->dirty = true;
989	* lots of logic for things we no longer care about	1105	mapspace &ms = this->ms ();
		1106
		1107	if (object *pl = ms.player ())
990	*/	1108	{
		1109	if (type == PLAYER) // this == pl(!)
		1110	{
		1111	// leaving a spot always closes any open container on the ground
		1112	if (container && !container->env)
		1113	// this causes spurious floorbox updates, but it ensures
		1114	// that the CLOSE event is being sent.
		1115	close_container ();
		1116
		1117	--map->players;
		1118	map->touch ();
		1119	}
		1120	else if (pl->container == this)
		1121	{
		1122	// removing a container should close it
		1123	close_container ();
		1124	}
		1125
		1126	esrv_del_item (pl->contr, count);
		1127	}
991		1128
992	/* link the object above us */	1129	/* link the object above us */
993	if (above)	1130	if (above)
994	above->below = below;	1131	above->below = below;
995	else	1132	else
996	map->at (x, y).top = below; /* we were top, set new top */	1133	ms.top = below; /* we were top, set new top */
997		1134
998	/* Relink the object below us, if there is one */	1135	/* Relink the object below us, if there is one */
999	if (below)	1136	if (below)
1000	below->above = above;	1137	below->above = above;
1001	else	1138	else
…		…
1003	/* Nothing below, which means we need to relink map object for this space	1140	/* Nothing below, which means we need to relink map object for this space
1004	* use translated coordinates in case some oddness with map tiling is	1141	* use translated coordinates in case some oddness with map tiling is
1005	* evident	1142	* evident
1006	*/	1143	*/
1007	if (GET_MAP_OB (map, x, y) != this)	1144	if (GET_MAP_OB (map, x, y) != this)
1008	{
1009	char *dump = dump_object (this);
1010	LOG (llevError,
1011	"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);	1145	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1012	free (dump);
1013	dump = dump_object (GET_MAP_OB (map, x, y));
1014	LOG (llevError, "%s\n", dump);
1015	free (dump);
1016	}
1017		1146
1018	map->at (x, y).bot = above; /* goes on above it. */	1147	ms.bot = above; /* goes on above it. */
1019	}	1148	}
1020		1149
1021	above = 0;	1150	above = 0;
1022	below = 0;	1151	below = 0;
1023		1152
1024	if (map->in_memory == MAP_SAVING)	1153	if (map->in_memory == MAP_SAVING)
1025	return;	1154	return;
1026		1155
1027	int check_walk_off = !flag [FLAG_NO_APPLY];	1156	int check_walk_off = !flag [FLAG_NO_APPLY];
1028		1157
		1158	if (object *pl = ms.player ())
		1159	{
		1160	if (pl->container == this)
		1161	/* If a container that the player is currently using somehow gets
		1162	* removed (most likely destroyed), update the player view
		1163	* appropriately.
		1164	*/
		1165	pl->close_container ();
		1166
		1167	//TODO: the floorbox prev/next might need updating
		1168	esrv_del_item (pl->contr, count);
		1169	}
		1170
1029	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1171	for (tmp = ms.bot; tmp; tmp = tmp->above)
1030	{	1172	{
1031	/* No point updating the players look faces if he is the object	1173	/* No point updating the players look faces if he is the object
1032	* being removed.	1174	* being removed.
1033	*/	1175	*/
1034		1176
1035	if (tmp->type == PLAYER && tmp != this)
1036	{
1037	/* If a container that the player is currently using somehow gets
1038	* removed (most likely destroyed), update the player view
1039	* appropriately.
1040	*/
1041	if (tmp->container == this)
1042	{
1043	flag [FLAG_APPLIED] = 0;
1044	tmp->container = 0;
1045	}
1046
1047	if (tmp->contr->ns)
1048	tmp->contr->ns->floorbox_update ();
1049	}
1050
1051	/* See if player moving off should effect something */	1177	/* See if object moving off should effect something */
1052	if (check_walk_off	1178	if (check_walk_off
1053	&& ((move_type & tmp->move_off)	1179	&& ((move_type & tmp->move_off)
1054	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1180	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1055	{	1181	{
1056	move_apply (tmp, this, 0);	1182	move_apply (tmp, this, 0);
1057		1183
1058	if (destroyed ())	1184	if (destroyed ())
1059	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1185	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1060	}	1186	}
1061		1187
1062	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1063
1064	if (tmp->above == tmp)
1065	tmp->above = 0;
1066
1067	last = tmp;	1188	last = tmp;
1068	}	1189	}
1069		1190
1070	/* last == NULL of there are no objects on this space */	1191	/* last == NULL if there are no objects on this space */
		1192	//TODO: this makes little sense, why only update the topmost object?
1071	if (!last)	1193	if (!last)
1072	map->at (x, y).flags_ = P_NEED_UPDATE;	1194	map->at (x, y).flags_ = 0;
1073	else	1195	else
1074	update_object (last, UP_OBJ_REMOVE);	1196	update_object (last, UP_OBJ_REMOVE);
1075		1197
1076	if (flag [FLAG_BLOCKSVIEW] || glow_radius)	1198	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1077	update_all_los (map, x, y);	1199	update_all_los (map, x, y);
…		…
1090	merge_ob (object *op, object *top)	1212	merge_ob (object *op, object *top)
1091	{	1213	{
1092	if (!op->nrof)	1214	if (!op->nrof)
1093	return 0;	1215	return 0;
1094		1216
1095	if (top)	1217	if (!top)
1096	for (top = op; top && top->above; top = top->above)	1218	for (top = op; top && top->above; top = top->above)
1097	;	1219	;
1098		1220
1099	for (; top; top = top->below)	1221	for (; top; top = top->below)
1100	{
1101	if (top == op)
1102	continue;
1103
1104	if (object::can_merge (op, top))	1222	if (object::can_merge (op, top))
1105	{	1223	{
1106	top->nrof += op->nrof;	1224	top->nrof += op->nrof;
1107		1225
1108	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1226	if (object *pl = top->visible_to ())
1109	op->weight = 0; /* Don't want any adjustements now */	1227	esrv_update_item (UPD_NROF, pl, top);
		1228
		1229	op->weight = 0; // cancel the addition above
		1230	op->carrying = 0; // must be 0 already
		1231
1110	op->destroy ();	1232	op->destroy (1);
		1233
1111	return top;	1234	return top;
1112	}	1235	}
1113	}
1114		1236
1115	return 0;	1237	return 0;
1116	}	1238	}
1117		1239
		1240	void
		1241	object::expand_tail ()
		1242	{
		1243	if (more)
		1244	return;
		1245
		1246	object *prev = this;
		1247
		1248	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1249	{
		1250	object *op = arch_to_object (at);
		1251
		1252	op->name = name;
		1253	op->name_pl = name_pl;
		1254	op->title = title;
		1255
		1256	op->head = this;
		1257	prev->more = op;
		1258
		1259	prev = op;
		1260	}
		1261	}
		1262
1118	/*	1263	/*
1119	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1264	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1120	* job preparing multi-part monsters	1265	* job preparing multi-part monsters.
1121	*/	1266	*/
1122	object *	1267	object *
1123	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1268	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1124	{	1269	{
1125	object *tmp;
1126
1127	if (op->head)
1128	op = op->head;
1129
1130	for (tmp = op; tmp; tmp = tmp->more)	1270	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1131	{	1271	{
1132	tmp->x = x + tmp->arch->clone.x;	1272	tmp->x = x + tmp->arch->x;
1133	tmp->y = y + tmp->arch->clone.y;	1273	tmp->y = y + tmp->arch->y;
1134	}	1274	}
1135		1275
1136	return insert_ob_in_map (op, m, originator, flag);	1276	return insert_ob_in_map (op, m, originator, flag);
1137	}	1277	}
1138		1278
…		…
1157	* just 'op' otherwise	1297	* just 'op' otherwise
1158	*/	1298	*/
1159	object *	1299	object *
1160	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1300	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1161	{	1301	{
1162	object *tmp, *top, *floor = NULL;	1302	assert (!op->flag [FLAG_FREED]);
1163	sint16 x, y;
1164		1303
1165	if (QUERY_FLAG (op, FLAG_FREED))	1304	op->remove ();
1166	{
1167	LOG (llevError, "Trying to insert freed object!\n");
1168	return NULL;
1169	}
1170
1171	if (m == NULL)
1172	{
1173	char *dump = dump_object (op);
1174	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1175	free (dump);
1176	return op;
1177	}
1178
1179	if (out_of_map (m, op->x, op->y))
1180	{
1181	char *dump = dump_object (op);
1182	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1183	#ifdef MANY_CORES
1184	/* Better to catch this here, as otherwise the next use of this object
1185	* is likely to cause a crash. Better to find out where it is getting
1186	* improperly inserted.
1187	*/
1188	abort ();
1189	#endif
1190	free (dump);
1191	return op;
1192	}
1193
1194	if (!QUERY_FLAG (op, FLAG_REMOVED))
1195	{
1196	char *dump = dump_object (op);
1197	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1198	free (dump);
1199	return op;
1200	}
1201
1202	if (op->more)
1203	{
1204	/* The part may be on a different map. */
1205
1206	object *more = op->more;
1207
1208	/* We really need the caller to normalize coordinates - if
1209	* we set the map, that doesn't work if the location is within
1210	* a map and this is straddling an edge. So only if coordinate
1211	* is clear wrong do we normalize it.
1212	*/
1213	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1214	more->map = get_map_from_coord (m, &more->x, &more->y);
1215	else if (!more->map)
1216	{
1217	/* For backwards compatibility - when not dealing with tiled maps,
1218	* more->map should always point to the parent.
1219	*/
1220	more->map = m;
1221	}
1222
1223	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1224	{
1225	if (!op->head)
1226	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1227
1228	return 0;
1229	}
1230	}
1231
1232	CLEAR_FLAG (op, FLAG_REMOVED);
1233		1305
1234	/* Ideally, the caller figures this out. However, it complicates a lot	1306	/* Ideally, the caller figures this out. However, it complicates a lot
1235	* of areas of callers (eg, anything that uses find_free_spot would now	1307	* of areas of callers (eg, anything that uses find_free_spot would now
1236	* need extra work	1308	* need extra work
1237	*/	1309	*/
1238	op->map = get_map_from_coord (m, &op->x, &op->y);	1310	if (!xy_normalise (m, op->x, op->y))
1239	x = op->x;	1311	{
1240	y = op->y;	1312	op->destroy (1);
		1313	return 0;
		1314	}
		1315
		1316	if (object *more = op->more)
		1317	if (!insert_ob_in_map (more, m, originator, flag))
		1318	return 0;
		1319
		1320	CLEAR_FLAG (op, FLAG_REMOVED);
		1321
		1322	op->map = m;
		1323	mapspace &ms = op->ms ();
1241		1324
1242	/* this has to be done after we translate the coordinates.	1325	/* this has to be done after we translate the coordinates.
1243	*/	1326	*/
1244	if (op->nrof && !(flag & INS_NO_MERGE))	1327	if (op->nrof && !(flag & INS_NO_MERGE))
1245	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1328	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1246	if (object::can_merge (op, tmp))	1329	if (object::can_merge (op, tmp))
1247	{	1330	{
		1331	// TODO: we atcually want to update tmp, not op,
		1332	// but some caller surely breaks when we return tmp
		1333	// from here :/
1248	op->nrof += tmp->nrof;	1334	op->nrof += tmp->nrof;
1249	tmp->destroy ();	1335	tmp->destroy (1);
1250	}	1336	}
1251		1337
1252	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1338	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1253	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1339	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1254		1340
…		…
1267	op->below = originator->below;	1353	op->below = originator->below;
1268		1354
1269	if (op->below)	1355	if (op->below)
1270	op->below->above = op;	1356	op->below->above = op;
1271	else	1357	else
1272	op->ms ().bot = op;	1358	ms.bot = op;
1273		1359
1274	/* since *below* originator, no need to update top */	1360	/* since *below* originator, no need to update top */
1275	originator->below = op;	1361	originator->below = op;
1276	}	1362	}
1277	else	1363	else
1278	{	1364	{
		1365	object *top, *floor = NULL;
		1366
		1367	top = ms.bot;
		1368
1279	/* If there are other objects, then */	1369	/* If there are other objects, then */
1280	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1370	if (top)
1281	{	1371	{
1282	object *last = NULL;	1372	object *last = 0;
1283		1373
1284	/*	1374	/*
1285	* If there are multiple objects on this space, we do some trickier handling.	1375	* If there are multiple objects on this space, we do some trickier handling.
1286	* We've already dealt with merging if appropriate.	1376	* We've already dealt with merging if appropriate.
1287	* Generally, we want to put the new object on top. But if	1377	* Generally, we want to put the new object on top. But if
…		…
1291	* once we get to them. This reduces the need to traverse over all of	1381	* once we get to them. This reduces the need to traverse over all of
1292	* them when adding another one - this saves quite a bit of cpu time	1382	* them when adding another one - this saves quite a bit of cpu time
1293	* when lots of spells are cast in one area. Currently, it is presumed	1383	* when lots of spells are cast in one area. Currently, it is presumed
1294	* that flying non pickable objects are spell objects.	1384	* that flying non pickable objects are spell objects.
1295	*/	1385	*/
1296		1386	for (top = ms.bot; top; top = top->above)
1297	while (top != NULL)
1298	{	1387	{
1299	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1388	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1300	floor = top;	1389	floor = top;
1301		1390
1302	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1391	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1305	top = top->below;	1394	top = top->below;
1306	break;	1395	break;
1307	}	1396	}
1308		1397
1309	last = top;	1398	last = top;
1310	top = top->above;
1311	}	1399	}
1312		1400
1313	/* Don't want top to be NULL, so set it to the last valid object */	1401	/* Don't want top to be NULL, so set it to the last valid object */
1314	top = last;	1402	top = last;
1315		1403
…		…
1317	* looks like instead of lots of conditions here.	1405	* looks like instead of lots of conditions here.
1318	* makes things faster, and effectively the same result.	1406	* makes things faster, and effectively the same result.
1319	*/	1407	*/
1320		1408
1321	/* Have object 'fall below' other objects that block view.	1409	/* Have object 'fall below' other objects that block view.
1322	* Unless those objects are exits, type 66	1410	* Unless those objects are exits.
1323	* If INS_ON_TOP is used, don't do this processing	1411	* If INS_ON_TOP is used, don't do this processing
1324	* Need to find the object that in fact blocks view, otherwise	1412	* Need to find the object that in fact blocks view, otherwise
1325	* stacking is a bit odd.	1413	* stacking is a bit odd.
1326	*/	1414	*/
1327	if (!(flag & INS_ON_TOP) &&	1415	if (!(flag & INS_ON_TOP)
1328	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1416	&& ms.flags () & P_BLOCKSVIEW
		1417	&& (op->face && !faces [op->face].visibility))
1329	{	1418	{
1330	for (last = top; last != floor; last = last->below)	1419	for (last = top; last != floor; last = last->below)
1331	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1420	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1332	break;	1421	break;
		1422
1333	/* Check to see if we found the object that blocks view,	1423	/* Check to see if we found the object that blocks view,
1334	* and make sure we have a below pointer for it so that	1424	* and make sure we have a below pointer for it so that
1335	* we can get inserted below this one, which requires we	1425	* we can get inserted below this one, which requires we
1336	* set top to the object below us.	1426	* set top to the object below us.
1337	*/	1427	*/
1338	if (last && last->below && last != floor)	1428	if (last && last->below && last != floor)
1339	top = last->below;	1429	top = last->below;
1340	}	1430	}
1341	} /* If objects on this space */	1431	} /* If objects on this space */
1342		1432
1343	if (flag & INS_MAP_LOAD)
1344	top = GET_MAP_TOP (op->map, op->x, op->y);
1345
1346	if (flag & INS_ABOVE_FLOOR_ONLY)	1433	if (flag & INS_ABOVE_FLOOR_ONLY)
1347	top = floor;	1434	top = floor;
1348		1435
1349	/* Top is the object that our object (op) is going to get inserted above.	1436	/* Top is the object that our object (op) is going to get inserted above.
1350	*/	1437	*/
1351		1438
1352	/* First object on this space */	1439	/* First object on this space */
1353	if (!top)	1440	if (!top)
1354	{	1441	{
1355	op->above = GET_MAP_OB (op->map, op->x, op->y);	1442	op->above = ms.bot;
1356		1443
1357	if (op->above)	1444	if (op->above)
1358	op->above->below = op;	1445	op->above->below = op;
1359		1446
1360	op->below = NULL;	1447	op->below = 0;
1361	op->ms ().bot = op;	1448	ms.bot = op;
1362	}	1449	}
1363	else	1450	else
1364	{ /* get inserted into the stack above top */	1451	{ /* get inserted into the stack above top */
1365	op->above = top->above;	1452	op->above = top->above;
1366		1453
…		…
1369		1456
1370	op->below = top;	1457	op->below = top;
1371	top->above = op;	1458	top->above = op;
1372	}	1459	}
1373		1460
1374	if (op->above == NULL)	1461	if (!op->above)
1375	op->ms ().top = op;	1462	ms.top = op;
1376	} /* else not INS_BELOW_ORIGINATOR */	1463	} /* else not INS_BELOW_ORIGINATOR */
1377		1464
1378	if (op->type == PLAYER)	1465	if (op->type == PLAYER)
		1466	{
1379	op->contr->do_los = 1;	1467	op->contr->do_los = 1;
		1468	++op->map->players;
		1469	op->map->touch ();
		1470	}
1380		1471
1381	/* If we have a floor, we know the player, if any, will be above	1472	op->map->dirty = true;
1382	* it, so save a few ticks and start from there.	1473
1383	*/
1384	if (!(flag & INS_MAP_LOAD))
1385	if (object *pl = op->ms ().player ())	1474	if (object *pl = ms.player ())
1386	if (pl->contr->ns)	1475	//TODO: the floorbox prev/next might need updating
1387	pl->contr->ns->floorbox_update ();	1476	esrv_send_item (pl, op);
1388		1477
1389	/* If this object glows, it may affect lighting conditions that are	1478	/* If this object glows, it may affect lighting conditions that are
1390	* visible to others on this map. But update_all_los is really	1479	* visible to others on this map. But update_all_los is really
1391	* an inefficient way to do this, as it means los for all players	1480	* an inefficient way to do this, as it means los for all players
1392	* on the map will get recalculated. The players could very well	1481	* on the map will get recalculated. The players could very well
1393	* be far away from this change and not affected in any way -	1482	* be far away from this change and not affected in any way -
1394	* this should get redone to only look for players within range,	1483	* this should get redone to only look for players within range,
1395	* or just updating the P_NEED_UPDATE for spaces within this area	1484	* or just updating the P_UPTODATE for spaces within this area
1396	* of effect may be sufficient.	1485	* of effect may be sufficient.
1397	*/	1486	*/
1398	if (op->map->darkness && (op->glow_radius != 0))	1487	if (op->map->darkness && (op->glow_radius != 0))
1399	update_all_los (op->map, op->x, op->y);	1488	update_all_los (op->map, op->x, op->y);
1400		1489
…		…
1411	* blocked() and wall() work properly), and these flags are updated by	1500	* blocked() and wall() work properly), and these flags are updated by
1412	* update_object().	1501	* update_object().
1413	*/	1502	*/
1414		1503
1415	/* if this is not the head or flag has been passed, don't check walk on status */	1504	/* if this is not the head or flag has been passed, don't check walk on status */
1416	if (!(flag & INS_NO_WALK_ON) && !op->head)	1505	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1417	{	1506	{
1418	if (check_move_on (op, originator))	1507	if (check_move_on (op, originator))
1419	return 0;	1508	return 0;
1420		1509
1421	/* If we are a multi part object, lets work our way through the check	1510	/* If we are a multi part object, lets work our way through the check
1422	* walk on's.	1511	* walk on's.
1423	*/	1512	*/
1424	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1513	for (object *tmp = op->more; tmp; tmp = tmp->more)
1425	if (check_move_on (tmp, originator))	1514	if (check_move_on (tmp, originator))
1426	return 0;	1515	return 0;
1427	}	1516	}
1428		1517
1429	return op;	1518	return op;
…		…
1434	* op is the object to insert it under: supplies x and the map.	1523	* op is the object to insert it under: supplies x and the map.
1435	*/	1524	*/
1436	void	1525	void
1437	replace_insert_ob_in_map (const char *arch_string, object *op)	1526	replace_insert_ob_in_map (const char *arch_string, object *op)
1438	{	1527	{
1439	object *tmp, *tmp1;
1440
1441	/* first search for itself and remove any old instances */	1528	/* first search for itself and remove any old instances */
1442		1529
1443	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1530	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1444	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1531	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1445	tmp->destroy ();	1532	tmp->destroy (1);
1446		1533
1447	tmp1 = arch_to_object (archetype::find (arch_string));	1534	object *tmp = arch_to_object (archetype::find (arch_string));
1448		1535
1449	tmp1->x = op->x;	1536	tmp->x = op->x;
1450	tmp1->y = op->y;	1537	tmp->y = op->y;
		1538
1451	insert_ob_in_map (tmp1, op->map, op, 0);	1539	insert_ob_in_map (tmp, op->map, op, 0);
1452	}	1540	}
1453
1454	/*
1455	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1456	* is returned contains nr objects, and the remaining parts contains
1457	* the rest (or is removed and freed if that number is 0).
1458	* On failure, NULL is returned, and the reason put into the
1459	* global static errmsg array.
1460	*/
1461		1541
1462	object *	1542	object *
1463	get_split_ob (object *orig_ob, uint32 nr)	1543	object::insert_at (object *where, object *originator, int flags)
1464	{	1544	{
1465	object *newob;	1545	if (where->env)
1466	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1546	return where->env->insert (this);
1467		1547	else
1468	if (orig_ob->nrof < nr)	1548	return where->map->insert (this, where->x, where->y, originator, flags);
1469	{
1470	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1471	return NULL;
1472	}
1473
1474	newob = object_create_clone (orig_ob);
1475
1476	if ((orig_ob->nrof -= nr) < 1)
1477	orig_ob->destroy (1);
1478	else if (!is_removed)
1479	{
1480	if (orig_ob->env != NULL)
1481	sub_weight (orig_ob->env, orig_ob->weight * nr);
1482	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1483	{
1484	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1485	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1486	return NULL;
1487	}
1488	}
1489
1490	newob->nrof = nr;
1491
1492	return newob;
1493	}	1549	}
1494		1550
1495	/*	1551	/*
1496	* decrease_ob_nr(object, number) decreases a specified number from	1552	* decrease(object, number) decreases a specified number from
1497	* the amount of an object. If the amount reaches 0, the object	1553	* the amount of an object. If the amount reaches 0, the object
1498	* is subsequently removed and freed.	1554	* is subsequently removed and freed.
1499	*	1555	*
1500	* Return value: 'op' if something is left, NULL if the amount reached 0	1556	* Return value: 'op' if something is left, NULL if the amount reached 0
1501	*/	1557	*/
		1558	bool
		1559	object::decrease (sint32 nr)
		1560	{
		1561	if (!nr)
		1562	return true;
1502		1563
		1564	nr = min (nr, nrof);
		1565
		1566	nrof -= nr;
		1567
		1568	if (nrof)
		1569	{
		1570	adjust_weight (env, -weight * nr); // carrying == 0
		1571
		1572	if (object *pl = visible_to ())
		1573	esrv_update_item (UPD_NROF, pl, this);
		1574
		1575	return true;
		1576	}
		1577	else
		1578	{
		1579	destroy (1);
		1580	return false;
		1581	}
		1582	}
		1583
		1584	/*
		1585	* split(ob,nr) splits up ob into two parts. The part which
		1586	* is returned contains nr objects, and the remaining parts contains
		1587	* the rest (or is removed and returned if that number is 0).
		1588	* On failure, NULL is returned.
		1589	*/
1503	object *	1590	object *
1504	decrease_ob_nr (object *op, uint32 i)	1591	object::split (sint32 nr)
1505	{	1592	{
1506	object *tmp;	1593	int have = number_of ();
1507		1594
1508	if (i == 0) /* objects with op->nrof require this check */	1595	if (have < nr)
1509	return op;	1596	return 0;
1510		1597	else if (have == nr)
1511	if (i > op->nrof)
1512	i = op->nrof;
1513
1514	if (QUERY_FLAG (op, FLAG_REMOVED))
1515	op->nrof -= i;
1516	else if (op->env)
1517	{	1598	{
1518	/* is this object in the players inventory, or sub container
1519	* therein?
1520	*/
1521	tmp = op->in_player ();
1522	/* nope. Is this a container the player has opened?
1523	* If so, set tmp to that player.
1524	* IMO, searching through all the players will mostly
1525	* likely be quicker than following op->env to the map,
1526	* and then searching the map for a player.
1527	*/
1528	if (!tmp)
1529	for_all_players (pl)
1530	if (pl->ob->container == op->env)
1531	{
1532	tmp = pl->ob;
1533	break;
1534	}
1535
1536	if (i < op->nrof)
1537	{
1538	sub_weight (op->env, op->weight * i);
1539	op->nrof -= i;
1540	if (tmp)
1541	esrv_send_item (tmp, op);
1542	}
1543	else
1544	{
1545	op->remove ();	1599	remove ();
1546	op->nrof = 0;	1600	return this;
1547	if (tmp)
1548	esrv_del_item (tmp->contr, op->count);
1549	}
1550	}	1601	}
1551	else	1602	else
1552	{	1603	{
1553	object *above = op->above;	1604	decrease (nr);
1554		1605
1555	if (i < op->nrof)	1606	object *op = object_create_clone (this);
1556	op->nrof -= i;	1607	op->nrof = nr;
1557	else
1558	{
1559	op->remove ();
1560	op->nrof = 0;
1561	}
1562
1563	/* Since we just removed op, op->above is null */
1564	for (tmp = above; tmp; tmp = tmp->above)
1565	if (tmp->type == PLAYER)
1566	{
1567	if (op->nrof)
1568	esrv_send_item (tmp, op);
1569	else
1570	esrv_del_item (tmp->contr, op->count);
1571	}
1572	}
1573
1574	if (op->nrof)
1575	return op;	1608	return op;
1576	else
1577	{
1578	op->destroy ();
1579	return 0;
1580	}
1581	}
1582
1583	/*
1584	* add_weight(object, weight) adds the specified weight to an object,
1585	* and also updates how much the environment(s) is/are carrying.
1586	*/
1587
1588	void
1589	add_weight (object *op, signed long weight)
1590	{
1591	while (op != NULL)
1592	{
1593	if (op->type == CONTAINER)
1594	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1595
1596	op->carrying += weight;
1597	op = op->env;
1598	}	1609	}
1599	}	1610	}
1600		1611
1601	object *	1612	object *
1602	insert_ob_in_ob (object *op, object *where)	1613	insert_ob_in_ob (object *op, object *where)
…		…
1607	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1618	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1608	free (dump);	1619	free (dump);
1609	return op;	1620	return op;
1610	}	1621	}
1611		1622
1612	if (where->head)	1623	if (where->head_ () != where)
1613	{	1624	{
1614	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1625	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1615	where = where->head;	1626	where = where->head;
1616	}	1627	}
1617		1628
1618	return where->insert (op);	1629	return where->insert (op);
1619	}	1630	}
…		…
1624	* inside the object environment.	1635	* inside the object environment.
1625	*	1636	*
1626	* The function returns now pointer to inserted item, and return value can	1637	* The function returns now pointer to inserted item, and return value can
1627	* be != op, if items are merged. -Tero	1638	* be != op, if items are merged. -Tero
1628	*/	1639	*/
1629
1630	object *	1640	object *
1631	object::insert (object *op)	1641	object::insert (object *op)
1632	{	1642	{
1633	object *tmp, *otmp;
1634
1635	if (!QUERY_FLAG (op, FLAG_REMOVED))
1636	op->remove ();
1637
1638	if (op->more)	1643	if (op->more)
1639	{	1644	{
1640	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1645	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1641	return op;	1646	return op;
1642	}	1647	}
1643		1648
1644	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1649	op->remove ();
1645	CLEAR_FLAG (op, FLAG_REMOVED);	1650
		1651	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1652
1646	if (op->nrof)	1653	if (op->nrof)
1647	{
1648	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1654	for (object *tmp = inv; tmp; tmp = tmp->below)
1649	if (object::can_merge (tmp, op))	1655	if (object::can_merge (tmp, op))
1650	{	1656	{
1651	/* return the original object and remove inserted object	1657	/* return the original object and remove inserted object
1652	(client needs the original object) */	1658	(client needs the original object) */
1653	tmp->nrof += op->nrof;	1659	tmp->nrof += op->nrof;
1654	/* Weight handling gets pretty funky. Since we are adding to	1660
1655	* tmp->nrof, we need to increase the weight.	1661	if (object *pl = tmp->visible_to ())
1656	*/	1662	esrv_update_item (UPD_NROF, pl, tmp);
		1663
1657	add_weight (this, op->weight * op->nrof);	1664	adjust_weight (this, op->total_weight ());
1658	SET_FLAG (op, FLAG_REMOVED);	1665
1659	op->destroy (); /* free the inserted object */	1666	op->destroy (1);
1660	op = tmp;	1667	op = tmp;
1661	op->remove (); /* and fix old object's links */	1668	goto inserted;
1662	CLEAR_FLAG (op, FLAG_REMOVED);
1663	break;
1664	}	1669	}
1665		1670
1666	/* I assume combined objects have no inventory	1671	op->owner = 0; // it's his/hers now. period.
1667	* We add the weight - this object could have just been removed
1668	* (if it was possible to merge). calling remove_ob will subtract
1669	* the weight, so we need to add it in again, since we actually do
1670	* the linking below
1671	*/
1672	add_weight (this, op->weight * op->nrof);
1673	}
1674	else
1675	add_weight (this, (op->weight + op->carrying));
1676
1677	otmp = this->in_player ();
1678	if (otmp && otmp->contr)
1679	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1680	otmp->update_stats ();
1681
1682	op->map = 0;	1672	op->map = 0;
1683	op->env = this;	1673	op->x = 0;
		1674	op->y = 0;
		1675
1684	op->above = 0;	1676	op->above = 0;
1685	op->below = 0;	1677	op->below = inv;
1686	op->x = 0, op->y = 0;	1678	op->env = this;
1687		1679
		1680	if (inv)
		1681	inv->above = op;
		1682
		1683	inv = op;
		1684
		1685	op->flag [FLAG_REMOVED] = 0;
		1686
		1687	if (object *pl = op->visible_to ())
		1688	esrv_send_item (pl, op);
		1689
		1690	adjust_weight (this, op->total_weight ());
		1691
		1692	inserted:
1688	/* reset the light list and los of the players on the map */	1693	/* reset the light list and los of the players on the map */
1689	if ((op->glow_radius != 0) && map)	1694	if (op->glow_radius && map && map->darkness)
1690	{
1691	#ifdef DEBUG_LIGHTS
1692	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1693	#endif /* DEBUG_LIGHTS */
1694	if (map->darkness)
1695	update_all_los (map, x, y);	1695	update_all_los (map, x, y);
1696	}
1697		1696
1698	/* Client has no idea of ordering so lets not bother ordering it here.	1697	// if this is a player's inventory, update stats
1699	* It sure simplifies this function...	1698	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1700	*/	1699	update_stats ();
1701	if (!inv)
1702	inv = op;
1703	else
1704	{
1705	op->below = inv;
1706	op->below->above = op;
1707	inv = op;
1708	}
1709		1700
1710	INVOKE_OBJECT (INSERT, this);	1701	INVOKE_OBJECT (INSERT, this);
1711		1702
1712	return op;	1703	return op;
1713	}	1704	}
…		…
1730	*	1721	*
1731	* MSW 2001-07-08: Check all objects on space, not just those below	1722	* MSW 2001-07-08: Check all objects on space, not just those below
1732	* object being inserted. insert_ob_in_map may not put new objects	1723	* object being inserted. insert_ob_in_map may not put new objects
1733	* on top.	1724	* on top.
1734	*/	1725	*/
1735
1736	int	1726	int
1737	check_move_on (object *op, object *originator)	1727	check_move_on (object *op, object *originator)
1738	{	1728	{
1739	object *tmp;	1729	object *tmp;
1740	maptile *m = op->map;	1730	maptile *m = op->map;
…		…
1767		1757
1768	/* The objects have to be checked from top to bottom.	1758	/* The objects have to be checked from top to bottom.
1769	* Hence, we first go to the top:	1759	* Hence, we first go to the top:
1770	*/	1760	*/
1771		1761
1772	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)	1762	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1773	{	1763	{
1774	/* Trim the search when we find the first other spell effect	1764	/* Trim the search when we find the first other spell effect
1775	* this helps performance so that if a space has 50 spell objects,	1765	* this helps performance so that if a space has 50 spell objects,
1776	* we don't need to check all of them.	1766	* we don't need to check all of them.
1777	*/	1767	*/
…		…
1795	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1785	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1796	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1786	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1797	{	1787	{
1798		1788
1799	float	1789	float
1800	diff = tmp->move_slow_penalty * FABS (op->speed);	1790	diff = tmp->move_slow_penalty * fabs (op->speed);
1801		1791
1802	if (op->type == PLAYER)	1792	if (op->type == PLAYER)
1803	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1793	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1804	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1794	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1805	diff /= 4.0;	1795	diff /= 4.0;
…		…
1835	* The first matching object is returned, or NULL if none.	1825	* The first matching object is returned, or NULL if none.
1836	*/	1826	*/
1837	object *	1827	object *
1838	present_arch (const archetype *at, maptile *m, int x, int y)	1828	present_arch (const archetype *at, maptile *m, int x, int y)
1839	{	1829	{
1840	if (m == NULL || out_of_map (m, x, y))	1830	if (!m || out_of_map (m, x, y))
1841	{	1831	{
1842	LOG (llevError, "Present_arch called outside map.\n");	1832	LOG (llevError, "Present_arch called outside map.\n");
1843	return NULL;	1833	return NULL;
1844	}	1834	}
1845		1835
1846	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1836	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1847	if (tmp->arch == at)	1837	if (tmp->arch == at)
1848	return tmp;	1838	return tmp;
1849		1839
1850	return NULL;	1840	return NULL;
1851	}	1841	}
…		…
1862	{	1852	{
1863	LOG (llevError, "Present called outside map.\n");	1853	LOG (llevError, "Present called outside map.\n");
1864	return NULL;	1854	return NULL;
1865	}	1855	}
1866		1856
1867	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1857	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1868	if (tmp->type == type)	1858	if (tmp->type == type)
1869	return tmp;	1859	return tmp;
1870		1860
1871	return NULL;	1861	return NULL;
1872	}	1862	}
…		…
1929	* activate recursively a flag on an object inventory	1919	* activate recursively a flag on an object inventory
1930	*/	1920	*/
1931	void	1921	void
1932	flag_inv (object *op, int flag)	1922	flag_inv (object *op, int flag)
1933	{	1923	{
1934	if (op->inv)
1935	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1924	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1936	{	1925	{
1937	SET_FLAG (tmp, flag);	1926	SET_FLAG (tmp, flag);
1938	flag_inv (tmp, flag);	1927	flag_inv (tmp, flag);
1939	}	1928	}
1940	}	1929	}
1941		1930
1942	/*	1931	/*
1943	* deactivate recursively a flag on an object inventory	1932	* deactivate recursively a flag on an object inventory
1944	*/	1933	*/
1945	void	1934	void
1946	unflag_inv (object *op, int flag)	1935	unflag_inv (object *op, int flag)
1947	{	1936	{
1948	if (op->inv)
1949	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1937	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1950	{	1938	{
1951	CLEAR_FLAG (tmp, flag);	1939	CLEAR_FLAG (tmp, flag);
1952	unflag_inv (tmp, flag);	1940	unflag_inv (tmp, flag);
1953	}	1941	}
1954	}
1955
1956	/*
1957	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1958	* all it's inventory (recursively).
1959	* If checksums are used, a player will get set_cheat called for
1960	* him/her-self and all object carried by a call to this function.
1961	*/
1962	void
1963	set_cheat (object *op)
1964	{
1965	SET_FLAG (op, FLAG_WAS_WIZ);
1966	flag_inv (op, FLAG_WAS_WIZ);
1967	}	1942	}
1968		1943
1969	/*	1944	/*
1970	* find_free_spot(object, map, x, y, start, stop) will search for	1945	* find_free_spot(object, map, x, y, start, stop) will search for
1971	* a spot at the given map and coordinates which will be able to contain	1946	* a spot at the given map and coordinates which will be able to contain
…		…
1973	* to search (see the freearr_x/y[] definition).	1948	* to search (see the freearr_x/y[] definition).
1974	* It returns a random choice among the alternatives found.	1949	* It returns a random choice among the alternatives found.
1975	* start and stop are where to start relative to the free_arr array (1,9	1950	* start and stop are where to start relative to the free_arr array (1,9
1976	* does all 4 immediate directions). This returns the index into the	1951	* does all 4 immediate directions). This returns the index into the
1977	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1952	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1978	* Note - this only checks to see if there is space for the head of the
1979	* object - if it is a multispace object, this should be called for all
1980	* pieces.
1981	* Note2: This function does correctly handle tiled maps, but does not	1953	* Note: This function does correctly handle tiled maps, but does not
1982	* inform the caller. However, insert_ob_in_map will update as	1954	* inform the caller. However, insert_ob_in_map will update as
1983	* necessary, so the caller shouldn't need to do any special work.	1955	* necessary, so the caller shouldn't need to do any special work.
1984	* Note - updated to take an object instead of archetype - this is necessary	1956	* Note - updated to take an object instead of archetype - this is necessary
1985	* because arch_blocked (now ob_blocked) needs to know the movement type	1957	* because arch_blocked (now ob_blocked) needs to know the movement type
1986	* to know if the space in question will block the object. We can't use	1958	* to know if the space in question will block the object. We can't use
…		…
1988	* customized, changed states, etc.	1960	* customized, changed states, etc.
1989	*/	1961	*/
1990	int	1962	int
1991	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1963	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1992	{	1964	{
		1965	int altern[SIZEOFFREE];
1993	int index = 0, flag;	1966	int index = 0, flag;
1994	int altern[SIZEOFFREE];
1995		1967
1996	for (int i = start; i < stop; i++)	1968	for (int i = start; i < stop; i++)
1997	{	1969	{
1998	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1970	mapxy pos (m, x, y); pos.move (i);
1999	if (!flag)	1971
		1972	if (!pos.normalise ())
		1973	continue;
		1974
		1975	mapspace &ms = *pos;
		1976
		1977	if (ms.flags () & P_IS_ALIVE)
		1978	continue;
		1979
		1980	/* However, often
		1981	* ob doesn't have any move type (when used to place exits)
		1982	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1983	*/
		1984	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1985	{
2000	altern [index++] = i;	1986	altern [index++] = i;
		1987	continue;
		1988	}
2001		1989
2002	/* Basically, if we find a wall on a space, we cut down the search size.	1990	/* Basically, if we find a wall on a space, we cut down the search size.
2003	* In this way, we won't return spaces that are on another side of a wall.	1991	* In this way, we won't return spaces that are on another side of a wall.
2004	* This mostly work, but it cuts down the search size in all directions -	1992	* This mostly work, but it cuts down the search size in all directions -
2005	* if the space being examined only has a wall to the north and empty	1993	* if the space being examined only has a wall to the north and empty
2006	* spaces in all the other directions, this will reduce the search space	1994	* spaces in all the other directions, this will reduce the search space
2007	* to only the spaces immediately surrounding the target area, and	1995	* to only the spaces immediately surrounding the target area, and
2008	* won't look 2 spaces south of the target space.	1996	* won't look 2 spaces south of the target space.
2009	*/	1997	*/
2010	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	1998	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1999	{
2011	stop = maxfree[i];	2000	stop = maxfree[i];
		2001	continue;
		2002	}
		2003
		2004	/* Note it is intentional that we check ob - the movement type of the
		2005	* head of the object should correspond for the entire object.
		2006	*/
		2007	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2008	continue;
		2009
		2010	if (ob->blocked (m, pos.x, pos.y))
		2011	continue;
		2012
		2013	altern [index++] = i;
2012	}	2014	}
2013		2015
2014	if (!index)	2016	if (!index)
2015	return -1;	2017	return -1;
2016		2018
2017	return altern[RANDOM () % index];	2019	return altern [rndm (index)];
2018	}	2020	}
2019		2021
2020	/*	2022	/*
2021	* find_first_free_spot(archetype, maptile, x, y) works like	2023	* find_first_free_spot(archetype, maptile, x, y) works like
2022	* find_free_spot(), but it will search max number of squares.	2024	* find_free_spot(), but it will search max number of squares.
…		…
2025	*/	2027	*/
2026	int	2028	int
2027	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2029	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2028	{	2030	{
2029	for (int i = 0; i < SIZEOFFREE; i++)	2031	for (int i = 0; i < SIZEOFFREE; i++)
2030	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2032	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2031	return i;	2033	return i;
2032		2034
2033	return -1;	2035	return -1;
2034	}	2036	}
2035		2037
…		…
2043	{	2045	{
2044	arr += begin;	2046	arr += begin;
2045	end -= begin;	2047	end -= begin;
2046		2048
2047	while (--end)	2049	while (--end)
2048	swap (arr [end], arr [RANDOM () % (end + 1)]);	2050	swap (arr [end], arr [rndm (end + 1)]);
2049	}	2051	}
2050		2052
2051	/* new function to make monster searching more efficient, and effective!	2053	/* new function to make monster searching more efficient, and effective!
2052	* This basically returns a randomized array (in the passed pointer) of	2054	* This basically returns a randomized array (in the passed pointer) of
2053	* the spaces to find monsters. In this way, it won't always look for	2055	* the spaces to find monsters. In this way, it won't always look for
…		…
2089	object *tmp;	2091	object *tmp;
2090	maptile *mp;	2092	maptile *mp;
2091		2093
2092	MoveType blocked, move_type;	2094	MoveType blocked, move_type;
2093		2095
2094	if (exclude && exclude->head)	2096	if (exclude && exclude->head_ () != exclude)
2095	{	2097	{
2096	exclude = exclude->head;	2098	exclude = exclude->head;
2097	move_type = exclude->move_type;	2099	move_type = exclude->move_type;
2098	}	2100	}
2099	else	2101	else
…		…
2122	max = maxfree[i];	2124	max = maxfree[i];
2123	else if (mflags & P_IS_ALIVE)	2125	else if (mflags & P_IS_ALIVE)
2124	{	2126	{
2125	for (tmp = ms.bot; tmp; tmp = tmp->above)	2127	for (tmp = ms.bot; tmp; tmp = tmp->above)
2126	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2128	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2127	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2129	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2128	break;	2130	break;
2129		2131
2130	if (tmp)	2132	if (tmp)
2131	return freedir[i];	2133	return freedir[i];
2132	}	2134	}
…		…
2187		2189
2188	return 3;	2190	return 3;
2189	}	2191	}
2190		2192
2191	/*	2193	/*
2192	* absdir(int): Returns a number between 1 and 8, which represent
2193	* the "absolute" direction of a number (it actually takes care of
2194	* "overflow" in previous calculations of a direction).
2195	*/
2196
2197	int
2198	absdir (int d)
2199	{
2200	while (d < 1)
2201	d += 8;
2202
2203	while (d > 8)
2204	d -= 8;
2205
2206	return d;
2207	}
2208
2209	/*
2210	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2194	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2211	* between two directions (which are expected to be absolute (see absdir())	2195	* between two directions (which are expected to be absolute (see absdir())
2212	*/	2196	*/
2213
2214	int	2197	int
2215	dirdiff (int dir1, int dir2)	2198	dirdiff (int dir1, int dir2)
2216	{	2199	{
2217	int d;	2200	int d;
2218		2201
…		…
2331	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2314	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2332	* core dumps if they do.	2315	* core dumps if they do.
2333	*	2316	*
2334	* Add a check so we can't pick up invisible objects (0.93.8)	2317	* Add a check so we can't pick up invisible objects (0.93.8)
2335	*/	2318	*/
2336
2337	int	2319	int
2338	can_pick (const object *who, const object *item)	2320	can_pick (const object *who, const object *item)
2339	{	2321	{
2340	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2322	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2341	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2323	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2346	* create clone from object to another	2328	* create clone from object to another
2347	*/	2329	*/
2348	object *	2330	object *
2349	object_create_clone (object *asrc)	2331	object_create_clone (object *asrc)
2350	{	2332	{
2351	object *dst = 0, *tmp, *src, *part, *prev, *item;	2333	object *dst = 0, *tmp, *src, *prev, *item;
2352		2334
2353	if (!asrc)	2335	if (!asrc)
2354	return 0;	2336	return 0;
2355		2337
2356	src = asrc;
2357	if (src->head)
2358	src = src->head;	2338	src = asrc->head_ ();
2359		2339
2360	prev = 0;	2340	prev = 0;
2361	for (part = src; part; part = part->more)	2341	for (object *part = src; part; part = part->more)
2362	{	2342	{
2363	tmp = part->clone ();	2343	tmp = part->clone ();
2364	tmp->x -= src->x;	2344	tmp->x -= src->x;
2365	tmp->y -= src->y;	2345	tmp->y -= src->y;
2366		2346
…		…
2384	insert_ob_in_ob (object_create_clone (item), dst);	2364	insert_ob_in_ob (object_create_clone (item), dst);
2385		2365
2386	return dst;	2366	return dst;
2387	}	2367	}
2388		2368
2389	/* GROS - Creates an object using a string representing its content. */
2390	/* Basically, we save the content of the string to a temp file, then call */
2391	/* load_object on it. I admit it is a highly inefficient way to make things, */
2392	/* but it was simple to make and allows reusing the load_object function. */
2393	/* Remember not to use load_object_str in a time-critical situation. */
2394	/* Also remember that multiparts objects are not supported for now. */
2395	object *
2396	load_object_str (const char *obstr)
2397	{
2398	object *op;
2399	char filename[MAX_BUF];
2400
2401	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2402
2403	FILE *tempfile = fopen (filename, "w");
2404
2405	if (tempfile == NULL)
2406	{
2407	LOG (llevError, "Error - Unable to access load object temp file\n");
2408	return NULL;
2409	}
2410
2411	fprintf (tempfile, obstr);
2412	fclose (tempfile);
2413
2414	op = object::create ();
2415
2416	object_thawer thawer (filename);
2417
2418	if (thawer)
2419	load_object (thawer, op, 0);
2420
2421	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2422	CLEAR_FLAG (op, FLAG_REMOVED);
2423
2424	return op;
2425	}
2426
2427	/* This returns the first object in who's inventory that	2369	/* This returns the first object in who's inventory that
2428	* has the same type and subtype match.	2370	* has the same type and subtype match.
2429	* returns NULL if no match.	2371	* returns NULL if no match.
2430	*/	2372	*/
2431	object *	2373	object *
…		…
2484	if (link->key == canonical_key)	2426	if (link->key == canonical_key)
2485	return link->value;	2427	return link->value;
2486		2428
2487	return 0;	2429	return 0;
2488	}	2430	}
2489
2490		2431
2491	/*	2432	/*
2492	* Updates the canonical_key in op to value.	2433	* Updates the canonical_key in op to value.
2493	*	2434	*
2494	* canonical_key is a shared string (value doesn't have to be).	2435	* canonical_key is a shared string (value doesn't have to be).
…		…
2518	/* Basically, if the archetype has this key set,	2459	/* Basically, if the archetype has this key set,
2519	* we need to store the null value so when we save	2460	* we need to store the null value so when we save
2520	* it, we save the empty value so that when we load,	2461	* it, we save the empty value so that when we load,
2521	* we get this value back again.	2462	* we get this value back again.
2522	*/	2463	*/
2523	if (get_ob_key_link (&op->arch->clone, canonical_key))	2464	if (get_ob_key_link (op->arch, canonical_key))
2524	field->value = 0;	2465	field->value = 0;
2525	else	2466	else
2526	{	2467	{
2527	if (last)	2468	if (last)
2528	last->next = field->next;	2469	last->next = field->next;
…		…
2597	}	2538	}
2598	else	2539	else
2599	item = item->env;	2540	item = item->env;
2600	}	2541	}
2601		2542
		2543	const char *
		2544	object::flag_desc (char *desc, int len) const
		2545	{
		2546	char *p = desc;
		2547	bool first = true;
		2548
		2549	*p = 0;
		2550
		2551	for (int i = 0; i < NUM_FLAGS; i++)
		2552	{
		2553	if (len <= 10) // magic constant!
		2554	{
		2555	snprintf (p, len, ",...");
		2556	break;
		2557	}
		2558
		2559	if (flag [i])
		2560	{
		2561	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2562	len -= cnt;
		2563	p += cnt;
		2564	first = false;
		2565	}
		2566	}
		2567
		2568	return desc;
		2569	}
		2570
2602	// return a suitable string describing an objetc in enough detail to find it	2571	// return a suitable string describing an object in enough detail to find it
2603	const char *	2572	const char *
2604	object::debug_desc (char *info) const	2573	object::debug_desc (char *info) const
2605	{	2574	{
		2575	char flagdesc[512];
2606	char info2[256 * 3];	2576	char info2[256 * 4];
2607	char *p = info;	2577	char *p = info;
2608		2578
2609	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2579	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2610	count,	2580	count,
		2581	uuid.c_str (),
2611	&name,	2582	&name,
2612	title ? " " : "",	2583	title ? "\",title:\"" : "",
2613	title ? (const char *)title : "");	2584	title ? (const char *)title : "",
		2585	flag_desc (flagdesc, 512), type);
2614		2586
2615	if (env)	2587	if (!flag[FLAG_REMOVED] && env)
2616	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2588	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2617		2589
2618	if (map)	2590	if (map)
2619	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2591	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2620		2592
2621	return info;	2593	return info;
2622	}	2594	}
2623		2595
2624	const char *	2596	const char *
2625	object::debug_desc () const	2597	object::debug_desc () const
2626	{	2598	{
2627	static char info[256 * 3];	2599	static char info[3][256 * 4];
		2600	static int info_idx;
		2601
2628	return debug_desc (info);	2602	return debug_desc (info [++info_idx % 3]);
2629	}	2603	}
2630		2604
		2605	struct region *
		2606	object::region () const
		2607	{
		2608	return map ? map->region (x, y)
		2609	: region::default_region ();
		2610	}
		2611
		2612	const materialtype_t *
		2613	object::dominant_material () const
		2614	{
		2615	if (materialtype_t *mt = name_to_material (materialname))
		2616	return mt;
		2617
		2618	return name_to_material (shstr_unknown);
		2619	}
		2620
		2621	void
		2622	object::open_container (object *new_container)
		2623	{
		2624	if (container == new_container)
		2625	return;
		2626
		2627	object *old_container = container;
		2628
		2629	if (old_container)
		2630	{
		2631	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2632	return;
		2633
		2634	#if 0
		2635	// remove the "Close old_container" object.
		2636	if (object *closer = old_container->inv)
		2637	if (closer->type == CLOSE_CON)
		2638	closer->destroy ();
		2639	#endif
		2640
		2641	// make sure the container is available
		2642	esrv_send_item (this, old_container);
		2643
		2644	old_container->flag [FLAG_APPLIED] = false;
		2645	container = 0;
		2646
		2647	// client needs item update to make it work, client bug requires this to be separate
		2648	esrv_update_item (UPD_FLAGS, this, old_container);
		2649
		2650	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2651	play_sound (sound_find ("chest_close"));
		2652	}
		2653
		2654	if (new_container)
		2655	{
		2656	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2657	return;
		2658
		2659	// TODO: this does not seem to serve any purpose anymore?
		2660	#if 0
		2661	// insert the "Close Container" object.
		2662	if (archetype *closer = new_container->other_arch)
		2663	{
		2664	object *closer = arch_to_object (new_container->other_arch);
		2665	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2666	new_container->insert (closer);
		2667	}
		2668	#endif
		2669
		2670	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2671
		2672	// make sure the container is available, client bug requires this to be separate
		2673	esrv_send_item (this, new_container);
		2674
		2675	new_container->flag [FLAG_APPLIED] = true;
		2676	container = new_container;
		2677
		2678	// client needs flag change
		2679	esrv_update_item (UPD_FLAGS, this, new_container);
		2680	esrv_send_inventory (this, new_container);
		2681	play_sound (sound_find ("chest_open"));
		2682	}
		2683	// else if (!old_container->env && contr && contr->ns)
		2684	// contr->ns->floorbox_reset ();
		2685	}
		2686
		2687	object *
		2688	object::force_find (const shstr name)
		2689	{
		2690	/* cycle through his inventory to look for the MARK we want to
		2691	* place
		2692	*/
		2693	for (object *tmp = inv; tmp; tmp = tmp->below)
		2694	if (tmp->type == FORCE && tmp->slaying == name)
		2695	return splay (tmp);
		2696
		2697	return 0;
		2698	}
		2699
		2700	void
		2701	object::force_add (const shstr name, int duration)
		2702	{
		2703	if (object *force = force_find (name))
		2704	force->destroy ();
		2705
		2706	object *force = get_archetype (FORCE_NAME);
		2707
		2708	force->slaying = name;
		2709	force->stats.food = 1;
		2710	force->speed_left = -1.f;
		2711
		2712	force->set_speed (duration ? 1.f / duration : 0.f);
		2713	force->flag [FLAG_IS_USED_UP] = true;
		2714	force->flag [FLAG_APPLIED] = true;
		2715
		2716	insert (force);
		2717	}
		2718
		2719	void
		2720	object::play_sound (faceidx sound)
		2721	{
		2722	if (!sound)
		2723	return;
		2724
		2725	if (flag [FLAG_REMOVED])
		2726	return;
		2727
		2728	if (env)
		2729	{
		2730	if (object *pl = in_player ())
		2731	pl->contr->play_sound (sound);
		2732	}
		2733	else
		2734	map->play_sound (sound, x, y);
		2735	}
		2736

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