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Comparing deliantra/server/common/object.C (file contents):
Revision 1.214 by root, Tue Apr 22 07:01:46 2008 UTC vs.
Revision 1.359 by root, Wed Dec 12 02:13:04 2012 UTC

1	/*	1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.	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 (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* Deliantra is free software: you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation, either version 3 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	19	* and the GNU General Public License along with this program. If not, see
		20	* <http://www.gnu.org/licenses/>.
20	*	21	*
21	* The authors can be reached via e-mail to <support@deliantra.net>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	#include <global.h>	25	#include <global.h>
25	#include <stdio.h>	26	#include <stdio.h>
26	#include <sys/types.h>	27	#include <sys/types.h>
27	#include <sys/uio.h>	28	#include <sys/uio.h>
28	#include <object.h>	29	#include <object.h>
29	#include <sproto.h>	30	#include <sproto.h>
30	#include <loader.h>
31		31
32	#include <bitset>	32	#include <bitset>
33		33
34	UUID UUID::cur;	34	UUID UUID::cur;
35	static uint64_t seq_next_save;	35	static uint64_t seq_next_save;
36	static const uint64 UUID_GAP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
37		38
38	objectvec objects;	39	objectvec objects;
39	activevec actives;	40	activevec actives;
		41
		42	freelist_item *object::freelist;
		43	uint32_t object::object_count;
		44	uint32_t object::free_count;
		45	uint32_t object::create_count;
		46	uint32_t object::destroy_count;
		47
		48	//+GPL
40		49
41	short freearr_x[SIZEOFFREE] = {	50	short freearr_x[SIZEOFFREE] = {
42	0,	51	0,
43	0, 1, 1, 1, 0, -1, -1, -1,	52	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,	53	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
…		…
48	0,	57	0,
49	-1, -1, 0, 1, 1, 1, 0, -1,	58	-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,	59	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
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	60	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
52	};	61	};
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,
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
58	};
59	int freedir[SIZEOFFREE] = {	62	int freedir[SIZEOFFREE] = {
60	0,	63	0,
61	1, 2, 3, 4, 5, 6, 7, 8,	64	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,	65	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 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	66	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
64	};	67	};
65		68
		69	static int maxfree[SIZEOFFREE] = {
		70	0,
		71	9, 10, 13, 14, 17, 18, 21, 22,
		72	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		73	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		74	};
		75
		76	const char *wall_suffix[16] = {
		77	"0",
		78	"1_3",
		79	"1_4",
		80	"2_1_2",
		81	"1_2",
		82	"2_2_4",
		83	"2_2_1",
		84	"3_1",
		85	"1_1",
		86	"2_2_3",
		87	"2_2_2",
		88	"3_3",
		89	"2_1_1",
		90	"3_4",
		91	"3_2",
		92	"4"
		93	};
		94
66	static void	95	static void
67	write_uuid (uval64 skip, bool sync)	96	write_uuid (uval64 skip, bool sync)
68	{	97	{
69	CALL_BEGIN (2);	98	CALL_BEGIN (2);
70	CALL_ARG_SV (newSVval64 (skip));	99	CALL_ARG_SV (newSVval64 (skip));
…		…
72	CALL_CALL ("cf::write_uuid", G_DISCARD);	101	CALL_CALL ("cf::write_uuid", G_DISCARD);
73	CALL_END;	102	CALL_END;
74	}	103	}
75		104
76	static void	105	static void
77	read_uuid (void)	106	read_uuid ()
78	{	107	{
79	char filename[MAX_BUF];	108	char filename[MAX_BUF];
80		109
81	sprintf (filename, "%s/uuid", settings.localdir);	110	sprintf (filename, "%s/uuid", settings.localdir);
82		111
…		…
96		125
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	126	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	127	_exit (1);
99	}	128	}
100		129
101	UUID::BUF buf;	130	char buf [UUID::MAX_LEN];
102	buf[0] = 0;	131	buf[0] = 0;
103	fgets (buf, sizeof (buf), fp);	132	fgets (buf, sizeof (buf), fp);
104		133
105	if (!UUID::cur.parse (buf))	134	if (!UUID::cur.parse (buf))
106	{	135	{
…		…
133		162
134	void	163	void
135	UUID::init ()	164	UUID::init ()
136	{	165	{
137	read_uuid ();	166	read_uuid ();
		167	}
		168
		169	bool
		170	UUID::parse (const char *s)
		171	{
		172	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		173	return false;
		174
		175	seq = 0;
		176
		177	while (*s != '>')
		178	{
		179	if (*s < '0')
		180	return false;
		181
		182	// this gives nice branchless code with gcc
		183	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		184	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		185
		186	seq = (seq << 4) | digit;
		187
		188	++s;
		189	}
		190
		191	return true;
		192	}
		193
		194	char *
		195	UUID::append (char *buf) const
		196	{
		197	*buf++ = '<';
		198	*buf++ = '1';
		199	*buf++ = '.';
		200
		201	uint64_t seq = this->seq;
		202	const int bits = 64;
		203	char nz = 0;
		204	static const char tohex [] = "0123456789abcdef";
		205
		206	// assert (len >= 3 + bits / 4 + 1 + 1);
		207	for (int i = bits / 4; --i; )
		208	{
		209	uint8_t digit = seq >> (bits - 4);
		210
		211	*buf = tohex [digit];
		212	nz |= digit;
		213	buf += nz ? 1 : 0;
		214	seq <<= 4;
		215	}
		216
		217	// last digit is special - always emit
		218	uint8_t digit = seq >> (bits - 4);
		219	*buf++ = tohex [digit];
		220
		221	*buf++ = '>';
		222
		223	return buf;
		224	}
		225
		226	char *
		227	UUID::c_str () const
		228	{
		229	static char buf [MAX_LEN];
		230	*append (buf) = 0;
		231	return buf;
138	}	232	}
139		233
140	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	234	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
141	static bool	235	static bool
142	compare_ob_value_lists_one (const object *wants, const object *has)	236	compare_ob_value_lists_one (const object *wants, const object *has)
143	{	237	{
144	key_value *wants_field;
145
146	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	238	/* n-squared behaviour (see kv.get), but I'm hoping both
147	* objects with lists are rare, and lists stay short. If not, use a	239	* objects with lists are rare, and lists stay short. If not, use a
148	* different structure or at least keep the lists sorted...	240	* different structure or at least keep the lists sorted...
149	*/	241	*/
150		242
151	/* For each field in wants, */	243	/* For each field in wants, */
152	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	244	for (key_value *kv = wants->kv.first; kv; kv = kv->next)
153	{	245	if (has->kv.get (kv->key) != kv->value)
154	key_value *has_field;	246	return false;
155
156	/* Look for a field in has with the same key. */
157	has_field = get_ob_key_link (has, wants_field->key);
158
159	if (!has_field)
160	return 0; /* No field with that name. */
161
162	/* Found the matching field. */
163	if (has_field->value != wants_field->value)
164	return 0; /* Values don't match, so this half of the comparison is false. */
165
166	/* If we get here, we found a match. Now for the next field in wants. */
167	}
168		247
169	/* If we get here, every field in wants has a matching field in has. */	248	/* If we get here, every field in wants has a matching field in has. */
170	return 1;	249	return true;
171	}	250	}
172		251
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	252	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static bool	253	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	254	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	255	{
177	/* However, there may be fields in has which aren't partnered in wants,	256	/* However, there may be fields in has which aren't partnered in wants,
178	* so we need to run the comparison *twice*. :(	257	* so we need to run the comparison *twice*. :(
179	*/	258	*/
180	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	259	return compare_ob_value_lists_one (ob1, ob2)
		260	&& compare_ob_value_lists_one (ob2, ob1);
181	}	261	}
182		262
183	/* Function examines the 2 objects given to it, and returns true if	263	/* Function examines the 2 objects given to it, and returns true if
184	* they can be merged together.	264	* they can be merged together.
185	*	265	*
…		…
192	* Improvements made with merge: Better checking on potion, and also	272	* Improvements made with merge: Better checking on potion, and also
193	* check weight	273	* check weight
194	*/	274	*/
195	bool object::can_merge_slow (object *ob1, object *ob2)	275	bool object::can_merge_slow (object *ob1, object *ob2)
196	{	276	{
197	/* A couple quicksanity checks */	277	/* A couple quick sanity checks */
198	if (ob1 == ob2	278	if (ob1 == ob2
199	|| ob1->type != ob2->type	279	|| ob1->type != ob2->type
200	|| ob1->speed != ob2->speed
201	|| ob1->value != ob2->value	280	|| ob1->value != ob2->value
202	|| ob1->name != ob2->name)	281	|| ob1->name != ob2->name
		282	|| ob1->custom_name != ob2->custom_name
		283	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
203	return 0;	284	return 0;
204		285
205	/* Do not merge objects if nrof would overflow. First part checks	286	/* Do not merge objects if nrof would overflow, assume nrof
206	* for unsigned overflow (2c), second part checks whether the result	287	* is always 0 .. 2**31-1 */
207	* would fit into a 32 bit signed int, which is often used to hold	288	if (ob1->nrof > 0x7fffffff - ob2->nrof)
208	* nrof values.
209	*/
210	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
211	return 0;	289	return 0;
212		290
213	/* If the objects have been identified, set the BEEN_APPLIED flag.	291	/* If the objects have been identified, set the BEEN_APPLIED flag.
214	* This is to the comparison of the flags below will be OK. We	292	* This is to the comparison of the flags below will be OK. We
215	* just can't ignore the been applied or identified flags, as they	293	* just can't ignore the been applied or identified flags, as they
216	* are not equal - just if it has been identified, the been_applied	294	* are not equal - just if it has been identified, the been_applied
217	* flags lose any meaning.	295	* flags lose any meaning.
218	*/	296	*/
219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	297	if (ob1->flag [FLAG_IDENTIFIED])
220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	298	ob1->set_flag (FLAG_BEEN_APPLIED);
221		299
222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	300	if (ob2->flag [FLAG_IDENTIFIED])
223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	301	ob2->set_flag (FLAG_BEEN_APPLIED);
224		302
225	if (ob1->arch->name != ob2->arch->name	303	if (ob1->arch->archname != ob2->arch->archname
226	|| ob1->name != ob2->name	304	|| ob1->name != ob2->name
227	|| ob1->title != ob2->title	305	|| ob1->title != ob2->title
228	|| ob1->msg != ob2->msg	306	|| ob1->msg != ob2->msg
229	|| ob1->weight != ob2->weight	307	|| ob1->weight != ob2->weight
230	|| ob1->attacktype != ob2->attacktype	308	|| ob1->attacktype != ob2->attacktype
231	|| ob1->magic != ob2->magic	309	|| ob1->magic != ob2->magic
232	|| ob1->slaying != ob2->slaying	310	|| ob1->slaying != ob2->slaying
233	|| ob1->skill != ob2->skill	311	|| ob1->skill != ob2->skill
234	|| ob1->value != ob2->value	312	|| ob1->value != ob2->value
235	|| ob1->animation_id != ob2->animation_id	313	|| ob1->animation_id != ob2->animation_id
		314	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
236	|| ob1->client_type != ob2->client_type	315	|| ob1->client_type != ob2->client_type
237	|| ob1->materialname != ob2->materialname	316	|| ob1->material != ob2->material
238	|| ob1->lore != ob2->lore	317	|| ob1->lore != ob2->lore
239	|| ob1->subtype != ob2->subtype	318	|| ob1->subtype != ob2->subtype
240	|| ob1->move_type != ob2->move_type	319	|| ob1->move_type != ob2->move_type
241	|| ob1->move_block != ob2->move_block	320	|| ob1->move_block != ob2->move_block
242	|| ob1->move_allow != ob2->move_allow	321	|| ob1->move_allow != ob2->move_allow
243	|| ob1->move_on != ob2->move_on	322	|| ob1->move_on != ob2->move_on
244	|| ob1->move_off != ob2->move_off	323	|| ob1->move_off != ob2->move_off
245	|| ob1->move_slow != ob2->move_slow	324	|| ob1->move_slow != ob2->move_slow
246	|| ob1->move_slow_penalty != ob2->move_slow_penalty	325	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
247	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))	326	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
248	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))	327	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
249	return 0;	328	return 0;
250		329
251	if ((ob1->flag ^ ob2->flag)	330	if ((ob1->flag ^ ob2->flag)
252	.reset (FLAG_INV_LOCKED)	331	.reset (FLAG_INV_LOCKED)
253	.reset (FLAG_CLIENT_SENT)
254	.reset (FLAG_REMOVED)	332	.reset (FLAG_REMOVED)
255	.any ())	333	.any ())
256	return 0;	334	return 0;
257		335
258	/* This is really a spellbook check - we should in general	336	/* This is really a spellbook check - we should in general
…		…
273	/* inventory ok - still need to check rest of this object to see	351	/* inventory ok - still need to check rest of this object to see
274	* if it is valid.	352	* if it is valid.
275	*/	353	*/
276	}	354	}
277		355
278	/* Don't merge objects that are applied. With the new 'body' code,	356	/* Don't merge objects that are applied. With the new 'body' code,
279	* it is possible for most any character to have more than one of	357	* it is possible for most any character to have more than one of
280	* some items equipped, and we don't want those to merge.	358	* some items equipped, and we don't want those to merge.
281	*/	359	*/
282	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	360	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
283	return 0;	361	return 0;
284		362
285	/* Note sure why the following is the case - either the object has to	363	/* Not sure why the following is the case - either the object has to
286	* be animated or have a very low speed. Is this an attempted monster	364	* be animated or have a very low speed. Is this an attempted monster
287	* check?	365	* check?
288	*/	366	*/
289	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	367	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
290	return 0;	368	return 0;
291		369
292	switch (ob1->type)	370	switch (ob1->type)
293	{	371	{
294	case SCROLL:	372	case SCROLL:
295	if (ob1->level != ob2->level)	373	if (ob1->level != ob2->level)
296	return 0;	374	return 0;
297	break;	375	break;
298	}	376	}
299		377
300	if (ob1->key_values || ob2->key_values)	378	if (!ob1->kv.empty () || !ob2->kv.empty ())
301	{	379	{
302	/* At least one of these has key_values. */	380	/* At least one of these has key_values. */
303	if ((!ob1->key_values) != (!ob2->key_values))	381	if (ob1->kv.empty () != ob2->kv.empty ())
304	return 0; /* One has fields, but the other one doesn't. */	382	return 0; /* One has fields, but the other one doesn't. */
305		383
306	if (!compare_ob_value_lists (ob1, ob2))	384	if (!compare_ob_value_lists (ob1, ob2))
307	return 0;	385	return 0;
308	}	386	}
…		…
334		412
335	// find player who can see this object	413	// find player who can see this object
336	object *	414	object *
337	object::visible_to () const	415	object::visible_to () const
338	{	416	{
339	if (!flag [FLAG_REMOVED])	417	if (client_visible () && !flag [FLAG_REMOVED])
340	{	418	{
341	// see if we are in a container of sorts	419	// see if we are in a container of sorts
342	if (env)	420	if (env)
343	{	421	{
344	// the player inventory itself is always visible	422	// the player inventory itself is always visible
345	if (env->type == PLAYER)	423	if (env->is_player ())
346	return env;	424	return env;
347		425
348	// else a player could have our env open	426	// else a player could have our env open
349	object *envest = env->outer_env ();	427	object *envest = env->outer_env_or_self ();
350		428
351	// the player itself is always on a map, so we will find him here	429	// the player itself is always on a map, so we will find him here
352	// even if our inv is in a player.	430	// even if our inv is in a player.
353	if (envest->is_on_map ())	431	if (envest->is_on_map ())
354	if (object *pl = envest->ms ().player ())	432	if (object *pl = envest->ms ().player ())
355	if (pl->container == env)	433	if (pl->container_ () == env)
356	return pl;	434	return pl;
357	}	435	}
358	else	436	else
359	{	437	{
360	// maybe there is a player standing on the same mapspace	438	// maybe there is a player standing on the same mapspace
361	// this will catch the case where "this" is a player	439	// this will catch the case where "this" is a player
362	if (object *pl = ms ().player ())	440	if (object *pl = ms ().player ())
		441	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		442	|| pl->container_ () == this)
363	return pl;	443	return pl;
364	}	444	}
365	}	445	}
366		446
367	return 0;	447	return 0;
368	}	448	}
369		449
370	// adjust weight per container type ("of holding")	450	// adjust weight per container type ("of holding")
371	static sint32	451	static weight_t
372	weight_adjust (object *op, sint32 weight)	452	weight_adjust_for (object *op, weight_t weight)
373	{	453	{
374	return op->type == CONTAINER	454	if (op->type == CONTAINER)
375	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)	455	weight -= weight * op->stats.Str / 100;
376	: weight;
377	}
378		456
		457	return weight;
		458	}
		459
379	/*	460	/*
380	* adjust_weight(object, weight) adds the specified weight to an object,	461	* subtracts, then adds, the specified weight to an object,
381	* and also updates how much the environment(s) is/are carrying.	462	* and also updates how much the environment(s) is/are carrying.
382	*/	463	*/
383	static void	464	static void
384	adjust_weight (object *op, sint32 weight)	465	adjust_weight (object *op, weight_t sub, weight_t add)
385	{	466	{
386	while (op)	467	while (op)
387	{	468	{
388	weight = weight_adjust (op, weight);	469	weight_t carrying = (weight_t)op->carrying
		470	- weight_adjust_for (op, sub)
		471	+ weight_adjust_for (op, add);
389		472
390	if (!weight)	473	sub = op->carrying;
391	return;
392
393	op->carrying += weight;	474	op->carrying = carrying;
		475	add = op->carrying;
394		476
395	if (object *pl = op->visible_to ())	477	if (object *pl = op->visible_to ())
		478	if (pl != op) // player is handled lazily
396	esrv_update_item (UPD_WEIGHT, pl, op);	479	esrv_update_item (UPD_WEIGHT, pl, op);
397		480
398	op = op->env;	481	op = op->env;
399	}	482	}
400	}	483	}
401		484
…		…
405	* containers are carrying, and sums it up.	488	* containers are carrying, and sums it up.
406	*/	489	*/
407	void	490	void
408	object::update_weight ()	491	object::update_weight ()
409	{	492	{
410	sint32 sum = 0;	493	weight_t sum = 0;
411		494
412	for (object *op = inv; op; op = op->below)	495	for (object *op = inv; op; op = op->below)
413	{	496	{
414	if (op->inv)
415	op->update_weight ();	497	op->update_weight ();
416		498
417	sum += op->total_weight ();	499	sum += weight_adjust_for (this, op->total_weight ());
418	}	500	}
419
420	sum = weight_adjust (this, sum);
421		501
422	if (sum != carrying)	502	if (sum != carrying)
423	{	503	{
		504	if (carrying != sum && carrying)//D
		505	LOG (llevDebug, "updating carrying got %ld, expected %ld (%s)\n",
		506	(long long)sum, (long long)carrying, debug_desc ());
		507
424	carrying = sum;	508	carrying = sum;
425		509
426	if (object *pl = visible_to ())	510	if (object *pl = visible_to ())
		511	if (pl != this) // player is handled lazily
427	esrv_update_item (UPD_WEIGHT, pl, this);	512	esrv_update_item (UPD_WEIGHT, pl, this);
428	}	513	}
429	}	514	}
430		515
431	/*	516	/*
432	* Used by: Server DM commands: dumpbelow, dump. Some error messages.	517	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
…		…
440	object_freezer freezer;	525	object_freezer freezer;
441	op->write (freezer);	526	op->write (freezer);
442	return freezer.as_string ();	527	return freezer.as_string ();
443	}	528	}
444		529
445	/*	530	char *
446	* get_nearest_part(multi-object, object 2) returns the part of the	531	object::as_string ()
447	* multi-object 1 which is closest to the second object.
448	* If it's not a multi-object, it is returned.
449	*/
450	object *
451	get_nearest_part (object *op, const object *pl)
452	{	532	{
453	object *tmp, *closest;	533	return dump_object (this);
454	int last_dist, i;
455
456	if (!op->more)
457	return op;
458
459	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
460	tmp;
461	tmp = tmp->more)
462	if ((i = distance (tmp, pl)) < last_dist)
463	closest = tmp, last_dist = i;
464
465	return closest;
466	}	534	}
467		535
468	/*	536	/*
469	* Returns the object which has the count-variable equal to the argument.	537	* Returns the object which has the count-variable equal to the argument.
470	* VERRRY slow.	538	* VERRRY slow.
…		…
478		546
479	return 0;	547	return 0;
480	}	548	}
481		549
482	/*	550	/*
		551	* Returns the object which has the uuid equal to the argument.
		552	* MOAR VERRRY slow.
		553	*/
		554
		555	object *
		556	find_object_uuid (UUID i)
		557	{
		558	for_all_objects (op)
		559	if (op->uuid == i)
		560	return op;
		561
		562	return 0;
		563	}
		564
		565	/*
483	* Returns the first object which has a name equal to the argument.	566	* Returns the first object which has a name equal to the argument.
484	* Used only by the patch command, but not all that useful.	567	* Used only by the patch command, but not all that useful.
485	* Enables features like "patch <name-of-other-player> food 999"	568	* Enables features like "patch <name-of-other-player> food 999"
486	*/	569	*/
487	object *	570	object *
488	find_object_name (const char *str)	571	find_object_name (const char *str)
489	{	572	{
490	shstr_cmp str_ (str);	573	shstr_cmp str_ (str);
491	object *op;
492		574
		575	if (str_)
493	for_all_objects (op)	576	for_all_objects (op)
494	if (op->name == str_)	577	if (op->name == str_)
495	break;	578	return op;
496		579
497	return op;	580	return 0;
498	}	581	}
499		582
500	/*	583	/*
501	* Sets the owner and sets the skill and exp pointers to owner's current	584	* Sets the owner and sets the skill and exp pointers to owner's current
502	* skill and experience objects.	585	* skill and experience objects.
…		…
515	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());	598	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
516	return;	599	return;
517	}	600	}
518		601
519	this->owner = owner;	602	this->owner = owner;
520	}
521
522	int
523	object::slottype () const
524	{
525	if (type == SKILL)
526	{
527	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
528	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
529	}
530	else
531	{
532	if (slot [body_combat].info) return slot_combat;
533	if (slot [body_range ].info) return slot_ranged;
534	}
535
536	return slot_none;
537	}
538
539	bool
540	object::change_weapon (object *ob)
541	{
542	if (current_weapon == ob)
543	return true;
544
545	if (chosen_skill)
546	chosen_skill->flag [FLAG_APPLIED] = false;
547
548	current_weapon = ob;
549	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
550
551	if (chosen_skill)
552	chosen_skill->flag [FLAG_APPLIED] = true;
553
554	update_stats ();
555
556	if (ob)
557	{
558	// now check wether any body locations became invalid, in which case
559	// we cannot apply the weapon at the moment.
560	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
561	if (slot[i].used < 0)
562	{
563	current_weapon = chosen_skill = 0;
564	update_stats ();
565
566	new_draw_info_format (NDI_UNIQUE, 0, this,
567	"You try to balance all your items at once, "
568	"but the %s is just too much for your body. "
569	"[You need to unapply some items first.]", &ob->name);
570	return false;
571	}
572
573	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
574	}
575	else
576	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
577
578	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
579	{
580	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
581	&name, ob->debug_desc ());
582	return false;
583	}
584
585	return true;
586	}
587
588	/* Zero the key_values on op, decrementing the shared-string
589	* refcounts and freeing the links.
590	*/
591	static void
592	free_key_values (object *op)
593	{
594	for (key_value *i = op->key_values; i; )
595	{
596	key_value *next = i->next;
597	delete i;
598
599	i = next;
600	}
601
602	op->key_values = 0;
603	}
604
605	object &
606	object::operator =(const object &src)
607	{
608	bool is_freed = flag [FLAG_FREED];
609	bool is_removed = flag [FLAG_REMOVED];
610
611	*(object_copy *)this = src;
612
613	flag [FLAG_FREED] = is_freed;
614	flag [FLAG_REMOVED] = is_removed;
615
616	/* Copy over key_values, if any. */
617	if (src.key_values)
618	{
619	key_value *tail = 0;
620	key_values = 0;
621
622	for (key_value *i = src.key_values; i; i = i->next)
623	{
624	key_value *new_link = new key_value;
625
626	new_link->next = 0;
627	new_link->key = i->key;
628	new_link->value = i->value;
629
630	/* Try and be clever here, too. */
631	if (!key_values)
632	{
633	key_values = new_link;
634	tail = new_link;
635	}
636	else
637	{
638	tail->next = new_link;
639	tail = new_link;
640	}
641	}
642	}
643	}	603	}
644		604
645	/*	605	/*
646	* copy_to first frees everything allocated by the dst object,	606	* copy_to first frees everything allocated by the dst object,
647	* and then copies the contents of itself into the second	607	* and then copies the contents of itself into the second
…		…
651	* will point at garbage.	611	* will point at garbage.
652	*/	612	*/
653	void	613	void
654	object::copy_to (object *dst)	614	object::copy_to (object *dst)
655	{	615	{
656	*dst = *this;	616	dst->remove ();
		617	*(object_copy *)dst = *this;
657		618
658	if (speed < 0)	619	// maybe move to object_copy?
659	dst->speed_left -= rndm ();	620	dst->kv = kv;
660		621
661	dst->set_speed (dst->speed);	622	dst->flag [FLAG_REMOVED] = true;
		623	dst->activate ();
662	}	624	}
663		625
664	void	626	void
665	object::instantiate ()	627	object::instantiate ()
666	{	628	{
667	if (!uuid.seq) // HACK	629	if (!uuid.seq) // HACK
668	uuid = UUID::gen ();	630	uuid = UUID::gen ();
669		631
		632	// TODO: unclean state changes, should not be done in copy_to AND instantiate
		633	if (flag [FLAG_RANDOM_SPEED] && speed)
		634	speed_left = - speed - rndm (); // TODO animation
		635	else
670	speed_left = -0.1f;	636	speed_left = -1.;
		637
671	/* copy the body_info to the body_used - this is only really	638	/* copy the body_info to the body_used - this is only really
672	* need for monsters, but doesn't hurt to do it for everything.	639	* need for monsters, but doesn't hurt to do it for everything.
673	* by doing so, when a monster is created, it has good starting	640	* by doing so, when a monster is created, it has good starting
674	* values for the body_used info, so when items are created	641	* values for the body_used info, so when items are created
675	* for it, they can be properly equipped.	642	* for it, they can be properly equipped.
676	*/	643	*/
677	for (int i = NUM_BODY_LOCATIONS; i--; )	644	for (int i = NUM_BODY_LOCATIONS; i--; )
678	slot[i].used = slot[i].info;	645	slot[i].used = slot[i].info;
679		646
…		…
683	object *	650	object *
684	object::clone ()	651	object::clone ()
685	{	652	{
686	object *neu = create ();	653	object *neu = create ();
687	copy_to (neu);	654	copy_to (neu);
		655
		656	// TODO: unclean state changes, should not be done in clone AND instantiate
		657	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		658	neu->speed_left = - neu->speed - rndm (); // TODO animation
		659
		660	neu->map = map; // not copied by copy_to
688	return neu;	661	return neu;
689	}	662	}
690		663
691	/*	664	/*
692	* If an object with the IS_TURNABLE() flag needs to be turned due	665	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
694	* be called to update the face variable, _and_ how it looks on the map.	667	* be called to update the face variable, _and_ how it looks on the map.
695	*/	668	*/
696	void	669	void
697	update_turn_face (object *op)	670	update_turn_face (object *op)
698	{	671	{
699	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	672	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
700	return;	673	return;
701		674
702	SET_ANIMATION (op, op->direction);	675	SET_ANIMATION (op, op->direction);
703	update_object (op, UP_OBJ_FACE);	676	update_object (op, UP_OBJ_FACE);
704	}	677	}
…		…
709	* This function needs to be called whenever the speed of an object changes.	682	* This function needs to be called whenever the speed of an object changes.
710	*/	683	*/
711	void	684	void
712	object::set_speed (float speed)	685	object::set_speed (float speed)
713	{	686	{
714	if (flag [FLAG_FREED] && speed)
715	{
716	LOG (llevError, "Object %s is freed but has speed.\n", &name);
717	speed = 0;
718	}
719
720	this->speed = speed;	687	this->speed = speed;
721		688
722	if (has_active_speed ())	689	if (has_active_speed ())
723	activate ();	690	activate ();
724	else	691	else
…		…
743	* UP_OBJ_FACE: only the objects face has changed.	710	* UP_OBJ_FACE: only the objects face has changed.
744	*/	711	*/
745	void	712	void
746	update_object (object *op, int action)	713	update_object (object *op, int action)
747	{	714	{
748	if (op == NULL)	715	if (!op)
749	{	716	{
750	/* this should never happen */	717	/* this should never happen */
751	LOG (llevDebug, "update_object() called for NULL object.\n");	718	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
752	return;	719	return;
753	}	720	}
754		721
755	if (op->env)	722	if (!op->is_on_map ())
756	{	723	{
757	/* Animation is currently handled by client, so nothing	724	/* Animation is currently handled by client, so nothing
758	* to do in this case.	725	* to do in this case.
759	*/	726	*/
760	return;	727	return;
761	}	728	}
762
763	/* If the map is saving, don't do anything as everything is
764	* going to get freed anyways.
765	*/
766	if (!op->map || op->map->in_memory == MAP_SAVING)
767	return;
768		729
769	/* make sure the object is within map boundaries */	730	/* make sure the object is within map boundaries */
770	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	731	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
771	{	732	{
772	LOG (llevError, "update_object() called for object out of map!\n");	733	LOG (llevError, "update_object() called for object out of map!\n");
…		…
777	}	738	}
778		739
779	mapspace &m = op->ms ();	740	mapspace &m = op->ms ();
780		741
781	if (!(m.flags_ & P_UPTODATE))	742	if (!(m.flags_ & P_UPTODATE))
782	/* nop */;	743	m.update_up (); // nothing to do except copy up
783	else if (action == UP_OBJ_INSERT)	744	else if (action == UP_OBJ_INSERT)
784	{	745	{
		746	#if 0
785	// this is likely overkill, TODO: revisit (schmorp)	747	// this is likely overkill, TODO: revisit (schmorp)
786	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	748	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
787	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	749	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
788	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	750	|| (op->is_player () && !(m.flags_ & P_PLAYER))
789	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	751	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
790	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	752	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
791	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	753	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
792	|| (m.move_on | op->move_on ) != m.move_on	754	|| (m.move_on | op->move_on ) != m.move_on
793	|| (m.move_off | op->move_off ) != m.move_off	755	|| (m.move_off | op->move_off ) != m.move_off
794	|| (m.move_slow | op->move_slow) != m.move_slow	756	|| (m.move_slow | op->move_slow) != m.move_slow
795	/* This isn't perfect, but I don't expect a lot of objects to	757	/* This isn't perfect, but I don't expect a lot of objects to
796	* to have move_allow right now.	758	* have move_allow right now.
797	*/	759	*/
798	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	760	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		761	m.invalidate ();
		762	#else
799	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	763	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
800	m.flags_ = 0;	764	m.invalidate ();
		765	#endif
801	}	766	}
802	/* if the object is being removed, we can't make intelligent	767	/* if the object is being removed, we can't make intelligent
803	* decisions, because remove_ob can't really pass the object	768	* decisions, because remove_ob can't really pass the object
804	* that is being removed.	769	* that is being removed.
805	*/	770	*/
806	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	771	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
807	m.flags_ = 0;	772	m.invalidate ();
808	else if (action == UP_OBJ_FACE)	773	else if (action == UP_OBJ_FACE)
809	/* Nothing to do for that case */ ;	774	m.update_up (); // nothing to do for that case, except copy up
810	else	775	else
811	LOG (llevError, "update_object called with invalid action: %d\n", action);	776	LOG (llevError, "update_object called with invalid action: %d\n", action);
812		777
813	if (op->more)	778	if (op->more)
814	update_object (op->more, action);	779	update_object (op->more, action);
815	}	780	}
816		781
817	object::object ()	782	object::object ()
818	{	783	{
819	SET_FLAG (this, FLAG_REMOVED);	784	this->set_flag (FLAG_REMOVED);
820		785
821	expmul = 1.0;	786	//expmul = 1.0; declared const for the time being
822	face = blank_face;	787	face = blank_face;
		788	material = MATERIAL_NULL;
823	}	789	}
824		790
825	object::~object ()	791	object::~object ()
826	{	792	{
827	unlink ();	793	unlink ();
828		794
829	free_key_values (this);	795	kv.clear ();
830	}	796	}
831
832	static int object_count;
833		797
834	void object::link ()	798	void object::link ()
835	{	799	{
836	assert (!index);//D	800	assert (!index);//D
837	uuid = UUID::gen ();	801	uuid = UUID::gen ();
838	count = ++object_count;
839		802
840	refcnt_inc ();	803	refcnt_inc ();
841	objects.insert (this);	804	objects.insert (this);
		805
		806	++create_count;
		807
842	}	808	}
843		809
844	void object::unlink ()	810	void object::unlink ()
845	{	811	{
846	if (!index)	812	if (!index)
847	return;	813	return;
		814
		815	++destroy_count;
848		816
849	objects.erase (this);	817	objects.erase (this);
850	refcnt_dec ();	818	refcnt_dec ();
851	}	819	}
852		820
…		…
856	/* If already on active list, don't do anything */	824	/* If already on active list, don't do anything */
857	if (active)	825	if (active)
858	return;	826	return;
859		827
860	if (has_active_speed ())	828	if (has_active_speed ())
		829	{
		830	if (flag [FLAG_FREED])
		831	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		832
861	actives.insert (this);	833	actives.insert (this);
		834	}
862	}	835	}
863		836
864	void	837	void
865	object::activate_recursive ()	838	object::activate_recursive ()
866	{	839	{
…		…
915	object::destroy_inv (bool drop_to_ground)	888	object::destroy_inv (bool drop_to_ground)
916	{	889	{
917	// need to check first, because the checks below might segfault	890	// need to check first, because the checks below might segfault
918	// as we might be on an invalid mapspace and crossfire code	891	// as we might be on an invalid mapspace and crossfire code
919	// is too buggy to ensure that the inventory is empty.	892	// is too buggy to ensure that the inventory is empty.
920	// corollary: if you create arrows etc. with stuff in tis inventory,	893	// corollary: if you create arrows etc. with stuff in its inventory,
921	// cf will crash below with off-map x and y	894	// cf will crash below with off-map x and y
922	if (!inv)	895	if (!inv)
923	return;	896	return;
924		897
925	/* Only if the space blocks everything do we not process -	898	/* Only if the space blocks everything do we not process -
926	* if some form of movement is allowed, let objects	899	* if some form of movement is allowed, let objects
927	* drop on that space.	900	* drop on that space.
928	*/	901	*/
929	if (!drop_to_ground	902	if (!drop_to_ground
930	|| !map	903	|| !map
931	|| map->in_memory != MAP_ACTIVE	904	|| !map->linkable ()
932	|| map->nodrop	905	|| map->no_drop
933	|| ms ().move_block == MOVE_ALL)	906	|| ms ().move_block == MOVE_ALL)
934	{	907	{
935	while (inv)	908	while (inv)
936	{
937	inv->destroy_inv (drop_to_ground);
938	inv->destroy ();	909	inv->destroy ();
939	}
940	}	910	}
941	else	911	else
942	{ /* Put objects in inventory onto this space */	912	{ /* Put objects in inventory onto this space */
943	while (inv)	913	while (inv)
944	{	914	{
…		…
955	map->insert (op, x, y);	925	map->insert (op, x, y);
956	}	926	}
957	}	927	}
958	}	928	}
959		929
		930	/*
		931	* Remove and free all objects in the inventory of the given object.
		932	* Unlike destroy_inv, this assumes the *this is destroyed as well
		933	* well, so we can (and have to!) take shortcuts.
		934	*/
		935	void
		936	object::destroy_inv_fast ()
		937	{
		938	while (object *op = inv)
		939	{
		940	// remove from object the fast way
		941	op->flag [FLAG_REMOVED] = true;
		942	op->env = 0;
		943	if ((inv = inv->below))
		944	inv->above = 0;
		945
		946	// then destroy
		947	op->destroy ();
		948	}
		949	}
		950
		951	void
		952	object::freelist_free (int count)
		953	{
		954	while (count-- && freelist)
		955	{
		956	freelist_item *next = freelist->next;
		957	// count is being "destroyed"
		958
		959	sfree ((char *)freelist, sizeof (object));
		960
		961	freelist = next;
		962	--free_count;
		963	}
		964	}
		965
		966	object *
960	object *object::create ()	967	object::create ()
961	{	968	{
962	object *op = new object;	969	object *op;
		970
		971	if (freelist)
		972	{
		973	freelist_item li = *freelist;
		974	memset (freelist, 0, sizeof (object));
		975
		976	op = new (freelist) object;
		977	op->count = li.count;
		978
		979	freelist = li.next;
		980	--free_count;
		981	}
		982	else
		983	{
		984	void *ni = salloc0<char> (sizeof (object));
		985
		986	op = new(ni) object;
		987
		988	op->count = ++object_count;
		989	}
		990
963	op->link ();	991	op->link ();
		992
964	return op;	993	return op;
965	}	994	}
966		995
967	void	996	void
		997	object::do_delete ()
		998	{
		999	uint32_t count = this->count;
		1000
		1001	this->~object ();
		1002
		1003	freelist_item *li = (freelist_item *)this;
		1004	li->next = freelist;
		1005	li->count = count;
		1006
		1007	freelist = li;
		1008	++free_count;
		1009	}
		1010
		1011	void
968	object::do_destroy ()	1012	object::do_destroy ()
969	{	1013	{
970	if (flag [FLAG_IS_LINKED])	1014	if (flag [FLAG_IS_LINKED])
971	remove_button_link (this);	1015	remove_link ();
972		1016
973	if (flag [FLAG_FRIENDLY])	1017	if (flag [FLAG_FRIENDLY])
974	remove_friendly_object (this);	1018	remove_friendly_object (this);
975		1019
976	remove ();	1020	remove ();
977		1021
978	attachable::do_destroy ();	1022	attachable::do_destroy ();
979		1023
980	destroy_inv (true);
981
982	deactivate ();	1024	deactivate ();
983	unlink ();	1025	unlink ();
984		1026
985	flag [FLAG_FREED] = 1;	1027	flag [FLAG_FREED] = 1;
986		1028
987	// hack to ensure that freed objects still have a valid map	1029	// hack to ensure that freed objects still have a valid map
988	{
989	static maptile *freed_map; // freed objects are moved here to avoid crashes
990
991	if (!freed_map)
992	{
993	freed_map = new maptile;
994
995	freed_map->path = "<freed objects map>";
996	freed_map->name = "/internal/freed_objects_map";
997	freed_map->width = 3;
998	freed_map->height = 3;
999	freed_map->nodrop = 1;
1000
1001	freed_map->alloc ();
1002	freed_map->in_memory = MAP_ACTIVE;
1003	}
1004
1005	map = freed_map;	1030	map = &freed_map;
1006	x = 1;	1031	x = 1;
1007	y = 1;	1032	y = 1;
1008	}
1009		1033
1010	if (more)	1034	if (more)
1011	{	1035	{
1012	more->destroy ();	1036	more->destroy ();
1013	more = 0;	1037	more = 0;
…		…
1021	attacked_by = 0;	1045	attacked_by = 0;
1022	current_weapon = 0;	1046	current_weapon = 0;
1023	}	1047	}
1024		1048
1025	void	1049	void
1026	object::destroy (bool destroy_inventory)	1050	object::destroy ()
1027	{	1051	{
1028	if (destroyed ())	1052	if (destroyed ())
1029	return;	1053	return;
1030		1054
1031	if (destroy_inventory)	1055	if (!is_head () && !head->destroyed ())
		1056	{
		1057	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1058	head->destroy ();
		1059	return;
		1060	}
		1061
1032	destroy_inv (false);	1062	destroy_inv_fast ();
1033		1063
1034	if (is_head ())	1064	if (is_head ())
1035	if (sound_destroy)	1065	if (sound_destroy)
1036	play_sound (sound_destroy);	1066	play_sound (sound_destroy);
1037	else if (flag [FLAG_MONSTER])	1067	else if (flag [FLAG_MONSTER])
…		…
1048	* the previous environment.	1078	* the previous environment.
1049	*/	1079	*/
1050	void	1080	void
1051	object::do_remove ()	1081	object::do_remove ()
1052	{	1082	{
1053	object *tmp, *last = 0;
1054	object *otmp;
1055
1056	if (flag [FLAG_REMOVED])	1083	if (flag [FLAG_REMOVED])
1057	return;	1084	return;
1058		1085
1059	INVOKE_OBJECT (REMOVE, this);	1086	INVOKE_OBJECT (REMOVE, this);
1060
1061	if (object *pl = visible_to ())
1062	esrv_del_item (pl->contr, count);
1063		1087
1064	flag [FLAG_REMOVED] = true;	1088	flag [FLAG_REMOVED] = true;
1065		1089
1066	if (more)	1090	if (more)
1067	more->remove ();	1091	more->remove ();
…		…
1070	* In this case, the object to be removed is in someones	1094	* In this case, the object to be removed is in someones
1071	* inventory.	1095	* inventory.
1072	*/	1096	*/
1073	if (env)	1097	if (env)
1074	{	1098	{
		1099	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
		1100	if (object *pl = visible_to ())
		1101	esrv_del_item (pl->contr, count);
		1102	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1103
1075	adjust_weight (env, -total_weight ());	1104	adjust_weight (env, total_weight (), 0);
1076		1105
1077	*(above ? &above->below : &env->inv) = below;	1106	object *pl = in_player ();
1078
1079	if (below)
1080	below->above = above;
1081		1107
1082	/* we set up values so that it could be inserted into	1108	/* we set up values so that it could be inserted into
1083	* the map, but we don't actually do that - it is up	1109	* the map, but we don't actually do that - it is up
1084	* to the caller to decide what we want to do.	1110	* to the caller to decide what we want to do.
1085	*/	1111	*/
1086	map = env->map;	1112	map = env->map;
1087	x = env->x;	1113	x = env->x;
1088	y = env->y;	1114	y = env->y;
		1115
		1116	// make sure cmov optimisation is applicable
		1117	*(above ? &above->below : &env->inv) = below;
		1118	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1119
1089	above = 0;	1120	above = 0;
1090	below = 0;	1121	below = 0;
1091	env = 0;	1122	env = 0;
1092		1123
1093	/* NO_FIX_PLAYER is set when a great many changes are being	1124	if (pl && pl->is_player ())
1094	* made to players inventory. If set, avoiding the call
1095	* to save cpu time.
1096	*/	1125	{
1097	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1126	if (expect_false (pl->contr->combat_ob == this))
1098	otmp->update_stats ();	1127	{
		1128	pl->apply (pl->contr->combat_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1129	pl->contr->combat_ob = 0;
		1130	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1131	}
		1132
		1133	if (expect_false (pl->contr->ranged_ob == this))
		1134	{
		1135	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1136	pl->contr->ranged_ob = 0;
		1137	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1138	}
		1139
		1140	pl->contr->queue_stats_update ();
		1141
		1142	if (expect_false (glow_radius) && pl->is_on_map ())
		1143	update_all_los (pl->map, pl->x, pl->y);
		1144	}
1099	}	1145	}
1100	else if (map)	1146	else if (map)
1101	{	1147	{
1102	if (type == PLAYER)
1103	{
1104	// leaving a spot always closes any open container on the ground
1105	if (container && !container->env)
1106	// this causes spurious floorbox updates, but it ensures
1107	// that the CLOSE event is being sent.
1108	close_container ();
1109
1110	--map->players;
1111	map->touch ();
1112	}
1113
1114	map->dirty = true;	1148	map->dirty = true;
1115	mapspace &ms = this->ms ();	1149	mapspace &ms = this->ms ();
1116		1150
		1151	if (object *pl = ms.player ())
		1152	{
		1153	if (is_player ())
		1154	{
		1155	if (!flag [FLAG_WIZPASS])
		1156	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1157
		1158	// leaving a spot always closes any open container on the ground
		1159	if (container && !container->env)
		1160	// this causes spurious floorbox updates, but it ensures
		1161	// that the CLOSE event is being sent.
		1162	close_container ();
		1163
		1164	--map->players;
		1165	map->touch ();
		1166	}
		1167	else if (pl->container_ () == this)
		1168	{
		1169	// removing a container should close it
		1170	close_container ();
		1171	}
		1172	else
		1173	esrv_del_item (pl->contr, count);
		1174	}
		1175
1117	/* link the object above us */	1176	/* link the object above us */
1118	if (above)	1177	// re-link, make sure compiler can easily use cmove
1119	above->below = below;	1178	*(above ? &above->below : &ms.top) = below;
1120	else	1179	*(below ? &below->above : &ms.bot) = above;
1121	ms.top = below; /* we were top, set new top */
1122
1123	/* Relink the object below us, if there is one */
1124	if (below)
1125	below->above = above;
1126	else
1127	{
1128	/* Nothing below, which means we need to relink map object for this space
1129	* use translated coordinates in case some oddness with map tiling is
1130	* evident
1131	*/
1132	if (GET_MAP_OB (map, x, y) != this)
1133	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 ());
1134
1135	ms.bot = above; /* goes on above it. */
1136	}
1137		1180
1138	above = 0;	1181	above = 0;
1139	below = 0;	1182	below = 0;
1140		1183
1141	if (map->in_memory == MAP_SAVING)	1184	ms.invalidate ();
1142	return;
1143		1185
1144	int check_walk_off = !flag [FLAG_NO_APPLY];	1186	int check_walk_off = !flag [FLAG_NO_APPLY];
1145		1187
1146	if (object *pl = ms.player ())	1188	if (object *pl = ms.player ())
1147	{	1189	{
1148	if (pl->container == this)	1190	if (pl->container_ () == this)
1149	/* If a container that the player is currently using somehow gets	1191	/* If a container that the player is currently using somehow gets
1150	* removed (most likely destroyed), update the player view	1192	* removed (most likely destroyed), update the player view
1151	* appropriately.	1193	* appropriately.
1152	*/	1194	*/
1153	pl->close_container ();	1195	pl->close_container ();
1154		1196
		1197	//TODO: the floorbox prev/next might need updating
		1198	//esrv_del_item (pl->contr, count);
		1199	//TODO: update floorbox to preserve ordering
		1200	if (pl->contr->ns)
1155	pl->contr->ns->floorbox_update ();	1201	pl->contr->ns->floorbox_update ();
1156	}	1202	}
1157		1203
		1204	if (check_walk_off)
1158	for (tmp = ms.bot; tmp; tmp = tmp->above)	1205	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1159	{	1206	{
		1207	above = tmp->above;
		1208
1160	/* No point updating the players look faces if he is the object	1209	/* No point updating the players look faces if he is the object
1161	* being removed.	1210	* being removed.
1162	*/	1211	*/
1163		1212
1164	/* See if object moving off should effect something */	1213	/* See if object moving off should effect something */
1165	if (check_walk_off
1166	&& ((move_type & tmp->move_off)	1214	if ((move_type & tmp->move_off)
1167	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1215	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1168	{
1169	move_apply (tmp, this, 0);	1216	move_apply (tmp, this, 0);
1170
1171	if (destroyed ())
1172	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1173	}	1217	}
1174		1218
1175	last = tmp;	1219	if (affects_los ())
1176	}
1177
1178	/* last == NULL if there are no objects on this space */
1179	//TODO: this makes little sense, why only update the topmost object?
1180	if (!last)
1181	map->at (x, y).flags_ = 0;
1182	else
1183	update_object (last, UP_OBJ_REMOVE);
1184
1185	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1186	update_all_los (map, x, y);	1220	update_all_los (map, x, y);
1187	}	1221	}
1188	}	1222	}
1189		1223
1190	/*	1224	/*
…		…
1214	esrv_update_item (UPD_NROF, pl, top);	1248	esrv_update_item (UPD_NROF, pl, top);
1215		1249
1216	op->weight = 0; // cancel the addition above	1250	op->weight = 0; // cancel the addition above
1217	op->carrying = 0; // must be 0 already	1251	op->carrying = 0; // must be 0 already
1218		1252
1219	op->destroy (1);	1253	op->destroy ();
1220		1254
1221	return top;	1255	return top;
1222	}	1256	}
1223		1257
1224	return 0;	1258	return 0;
…		…
1232		1266
1233	object *prev = this;	1267	object *prev = this;
1234		1268
1235	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1269	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1236	{	1270	{
1237	object *op = arch_to_object (at);	1271	object *op = at->instance ();
1238		1272
1239	op->name = name;	1273	op->name = name;
1240	op->name_pl = name_pl;	1274	op->name_pl = name_pl;
1241	op->title = title;	1275	op->title = title;
1242		1276
…		…
1252	* job preparing multi-part monsters.	1286	* job preparing multi-part monsters.
1253	*/	1287	*/
1254	object *	1288	object *
1255	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1289	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1256	{	1290	{
		1291	op->remove ();
		1292
1257	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1293	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1258	{	1294	{
1259	tmp->x = x + tmp->arch->x;	1295	tmp->x = x + tmp->arch->x;
1260	tmp->y = y + tmp->arch->y;	1296	tmp->y = y + tmp->arch->y;
1261	}	1297	}
…		…
1278	* Passing 0 for flag gives proper default values, so flag really only needs	1314	* Passing 0 for flag gives proper default values, so flag really only needs
1279	* to be set if special handling is needed.	1315	* to be set if special handling is needed.
1280	*	1316	*
1281	* Return value:	1317	* Return value:
1282	* new object if 'op' was merged with other object	1318	* new object if 'op' was merged with other object
1283	* NULL if 'op' was destroyed	1319	* NULL if there was an error (destroyed, blocked etc.)
1284	* just 'op' otherwise	1320	* just 'op' otherwise
1285	*/	1321	*/
1286	object *	1322	object *
1287	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1323	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1288	{	1324	{
1289	assert (!op->flag [FLAG_FREED]);
1290
1291	object *top, *floor = NULL;
1292
1293	op->remove ();	1325	op->remove ();
		1326
		1327	if (m == &freed_map)//D TODO: remove soon
		1328	{//D
		1329	LOG (llevError | logBacktrace, "tries to insert object on freed objects map: %s", op->debug_desc ());//D
		1330	}//D
1294		1331
1295	/* Ideally, the caller figures this out. However, it complicates a lot	1332	/* Ideally, the caller figures this out. However, it complicates a lot
1296	* of areas of callers (eg, anything that uses find_free_spot would now	1333	* of areas of callers (eg, anything that uses find_free_spot would now
1297	* need extra work	1334	* need extra work
1298	*/	1335	*/
		1336	maptile *newmap = m;
1299	if (!xy_normalise (m, op->x, op->y))	1337	if (!xy_normalise (newmap, op->x, op->y))
1300	{	1338	{
1301	op->destroy ();	1339	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1302	return 0;	1340	return 0;
1303	}	1341	}
1304		1342
1305	if (object *more = op->more)	1343	if (object *more = op->more)
1306	if (!insert_ob_in_map (more, m, originator, flag))	1344	if (!insert_ob_in_map (more, m, originator, flag))
1307	return 0;	1345	return 0;
1308		1346
1309	CLEAR_FLAG (op, FLAG_REMOVED);	1347	op->flag [FLAG_REMOVED] = false;
1310		1348	op->env = 0;
1311	op->map = m;	1349	op->map = newmap;
		1350
1312	mapspace &ms = op->ms ();	1351	mapspace &ms = op->ms ();
1313		1352
1314	/* this has to be done after we translate the coordinates.	1353	/* this has to be done after we translate the coordinates.
1315	*/	1354	*/
1316	if (op->nrof && !(flag & INS_NO_MERGE))	1355	if (op->nrof && !(flag & INS_NO_MERGE))
1317	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1356	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1318	if (object::can_merge (op, tmp))	1357	if (object::can_merge (op, tmp))
1319	{	1358	{
		1359	// TODO: we actually want to update tmp, not op,
		1360	// but some caller surely breaks when we return tmp
		1361	// from here :/
1320	op->nrof += tmp->nrof;	1362	op->nrof += tmp->nrof;
1321	tmp->destroy (1);	1363	tmp->destroy ();
1322	}	1364	}
1323		1365
1324	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1366	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1325	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1367	op->clr_flag (FLAG_INV_LOCKED);
1326		1368
1327	if (!QUERY_FLAG (op, FLAG_ALIVE))	1369	if (!op->flag [FLAG_ALIVE])
1328	CLEAR_FLAG (op, FLAG_NO_STEAL);	1370	op->clr_flag (FLAG_NO_STEAL);
1329		1371
1330	if (flag & INS_BELOW_ORIGINATOR)	1372	if (flag & INS_BELOW_ORIGINATOR)
1331	{	1373	{
1332	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1374	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1333	{	1375	{
1334	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1376	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1335	abort ();	1377	abort ();
1336	}	1378	}
1337		1379
		1380	if (!originator->is_on_map ())
		1381	{
		1382	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1383	op->debug_desc (), originator->debug_desc ());
		1384	abort ();
		1385	}
		1386
1338	op->above = originator;	1387	op->above = originator;
1339	op->below = originator->below;	1388	op->below = originator->below;
1340
1341	if (op->below)
1342	op->below->above = op;
1343	else
1344	ms.bot = op;
1345
1346	/* since *below* originator, no need to update top */
1347	originator->below = op;	1389	originator->below = op;
		1390
		1391	*(op->below ? &op->below->above : &ms.bot) = op;
1348	}	1392	}
1349	else	1393	else
1350	{	1394	{
1351	top = ms.bot;	1395	object *floor = 0;
		1396	object *top = ms.top;
1352		1397
1353	/* If there are other objects, then */	1398	/* If there are other objects, then */
1354	if (top)	1399	if (top)
1355	{	1400	{
1356	object *last = 0;
1357
1358	/*	1401	/*
1359	* If there are multiple objects on this space, we do some trickier handling.	1402	* If there are multiple objects on this space, we do some trickier handling.
1360	* We've already dealt with merging if appropriate.	1403	* We've already dealt with merging if appropriate.
1361	* Generally, we want to put the new object on top. But if	1404	* Generally, we want to put the new object on top. But if
1362	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1405	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1365	* once we get to them. This reduces the need to traverse over all of	1408	* once we get to them. This reduces the need to traverse over all of
1366	* them when adding another one - this saves quite a bit of cpu time	1409	* them when adding another one - this saves quite a bit of cpu time
1367	* when lots of spells are cast in one area. Currently, it is presumed	1410	* when lots of spells are cast in one area. Currently, it is presumed
1368	* that flying non pickable objects are spell objects.	1411	* that flying non pickable objects are spell objects.
1369	*/	1412	*/
1370	for (top = ms.bot; top; top = top->above)	1413	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1371	{	1414	{
1372	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1415	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1373	floor = top;	1416	floor = tmp;
1374		1417
1375	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1418	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1376	{	1419	{
1377	/* We insert above top, so we want this object below this */	1420	/* We insert above top, so we want this object below this */
1378	top = top->below;	1421	top = tmp->below;
1379	break;	1422	break;
1380	}	1423	}
1381		1424
1382	last = top;	1425	top = tmp;
1383	}	1426	}
1384
1385	/* Don't want top to be NULL, so set it to the last valid object */
1386	top = last;
1387		1427
1388	/* We let update_position deal with figuring out what the space	1428	/* We let update_position deal with figuring out what the space
1389	* looks like instead of lots of conditions here.	1429	* looks like instead of lots of conditions here.
1390	* makes things faster, and effectively the same result.	1430	* makes things faster, and effectively the same result.
1391	*/	1431	*/
…		…
1398	*/	1438	*/
1399	if (!(flag & INS_ON_TOP)	1439	if (!(flag & INS_ON_TOP)
1400	&& ms.flags () & P_BLOCKSVIEW	1440	&& ms.flags () & P_BLOCKSVIEW
1401	&& (op->face && !faces [op->face].visibility))	1441	&& (op->face && !faces [op->face].visibility))
1402	{	1442	{
		1443	object *last;
		1444
1403	for (last = top; last != floor; last = last->below)	1445	for (last = top; last != floor; last = last->below)
1404	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1446	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1405	break;	1447	break;
1406		1448
1407	/* Check to see if we found the object that blocks view,	1449	/* Check to see if we found the object that blocks view,
1408	* and make sure we have a below pointer for it so that	1450	* and make sure we have a below pointer for it so that
1409	* we can get inserted below this one, which requires we	1451	* we can get inserted below this one, which requires we
…		…
1415	} /* If objects on this space */	1457	} /* If objects on this space */
1416		1458
1417	if (flag & INS_ABOVE_FLOOR_ONLY)	1459	if (flag & INS_ABOVE_FLOOR_ONLY)
1418	top = floor;	1460	top = floor;
1419		1461
1420	/* Top is the object that our object (op) is going to get inserted above.	1462	// insert object above top, or bottom-most if top = 0
1421	*/
1422
1423	/* First object on this space */
1424	if (!top)	1463	if (!top)
1425	{	1464	{
		1465	op->below = 0;
1426	op->above = ms.bot;	1466	op->above = ms.bot;
1427
1428	if (op->above)
1429	op->above->below = op;
1430
1431	op->below = 0;
1432	ms.bot = op;	1467	ms.bot = op;
		1468
		1469	*(op->above ? &op->above->below : &ms.top) = op;
1433	}	1470	}
1434	else	1471	else
1435	{ /* get inserted into the stack above top */	1472	{
1436	op->above = top->above;	1473	op->above = top->above;
1437
1438	if (op->above)
1439	op->above->below = op;	1474	top->above = op;
1440		1475
1441	op->below = top;	1476	op->below = top;
1442	top->above = op;	1477	*(op->above ? &op->above->below : &ms.top) = op;
1443	}	1478	}
		1479	}
1444		1480
1445	if (!op->above)	1481	if (op->is_player ())
1446	ms.top = op;
1447	} /* else not INS_BELOW_ORIGINATOR */
1448
1449	if (op->type == PLAYER)
1450	{	1482	{
1451	op->contr->do_los = 1;	1483	op->contr->do_los = 1;
1452	++op->map->players;	1484	++op->map->players;
1453	op->map->touch ();	1485	op->map->touch ();
1454	}	1486	}
1455		1487
1456	op->map->dirty = true;	1488	op->map->dirty = true;
1457		1489
1458	if (object *pl = ms.player ())	1490	if (object *pl = ms.player ())
		1491	//TODO: the floorbox prev/next might need updating
		1492	//esrv_send_item (pl, op);
		1493	//TODO: update floorbox to preserve ordering
		1494	if (pl->contr->ns)
1459	pl->contr->ns->floorbox_update ();	1495	pl->contr->ns->floorbox_update ();
1460		1496
1461	/* If this object glows, it may affect lighting conditions that are	1497	/* If this object glows, it may affect lighting conditions that are
1462	* visible to others on this map. But update_all_los is really	1498	* visible to others on this map. But update_all_los is really
1463	* an inefficient way to do this, as it means los for all players	1499	* an inefficient way to do this, as it means los for all players
1464	* on the map will get recalculated. The players could very well	1500	* on the map will get recalculated. The players could very well
1465	* be far away from this change and not affected in any way -	1501	* be far away from this change and not affected in any way -
1466	* this should get redone to only look for players within range,	1502	* this should get redone to only look for players within range,
1467	* or just updating the P_UPTODATE for spaces within this area	1503	* or just updating the P_UPTODATE for spaces within this area
1468	* of effect may be sufficient.	1504	* of effect may be sufficient.
1469	*/	1505	*/
1470	if (op->map->darkness && (op->glow_radius != 0))	1506	if (op->affects_los ())
		1507	{
		1508	op->ms ().invalidate ();
1471	update_all_los (op->map, op->x, op->y);	1509	update_all_los (op->map, op->x, op->y);
		1510	}
1472		1511
1473	/* updates flags (blocked, alive, no magic, etc) for this map space */	1512	/* updates flags (blocked, alive, no magic, etc) for this map space */
1474	update_object (op, UP_OBJ_INSERT);	1513	update_object (op, UP_OBJ_INSERT);
1475		1514
1476	INVOKE_OBJECT (INSERT, op);	1515	INVOKE_OBJECT (INSERT, op);
…		…
1483	* blocked() and wall() work properly), and these flags are updated by	1522	* blocked() and wall() work properly), and these flags are updated by
1484	* update_object().	1523	* update_object().
1485	*/	1524	*/
1486		1525
1487	/* if this is not the head or flag has been passed, don't check walk on status */	1526	/* if this is not the head or flag has been passed, don't check walk on status */
1488	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1527	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1489	{	1528	{
1490	if (check_move_on (op, originator))	1529	if (check_move_on (op, originator, flag))
1491	return 0;	1530	return 0;
1492		1531
1493	/* If we are a multi part object, lets work our way through the check	1532	/* If we are a multi part object, let's work our way through the check
1494	* walk on's.	1533	* walk on's.
1495	*/	1534	*/
1496	for (object *tmp = op->more; tmp; tmp = tmp->more)	1535	for (object *tmp = op->more; tmp; tmp = tmp->more)
1497	if (check_move_on (tmp, originator))	1536	if (check_move_on (tmp, originator, flag))
1498	return 0;	1537	return 0;
1499	}	1538	}
1500		1539
1501	return op;	1540	return op;
1502	}	1541	}
…		…
1504	/* this function inserts an object in the map, but if it	1543	/* this function inserts an object in the map, but if it
1505	* finds an object of its own type, it'll remove that one first.	1544	* finds an object of its own type, it'll remove that one first.
1506	* op is the object to insert it under: supplies x and the map.	1545	* op is the object to insert it under: supplies x and the map.
1507	*/	1546	*/
1508	void	1547	void
1509	replace_insert_ob_in_map (const char *arch_string, object *op)	1548	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1510	{	1549	{
1511	/* first search for itself and remove any old instances */	1550	/* first search for itself and remove any old instances */
1512		1551
1513	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)	1552	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1514	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1553	if (tmp->arch->archname == archname) /* same archetype */
1515	tmp->destroy (1);	1554	tmp->destroy ();
1516		1555
1517	object *tmp = arch_to_object (archetype::find (arch_string));	1556	object *tmp = archetype::find (archname)->instance ();
1518		1557
1519	tmp->x = op->x;	1558	tmp->x = op->x;
1520	tmp->y = op->y;	1559	tmp->y = op->y;
1521		1560
1522	insert_ob_in_map (tmp, op->map, op, 0);	1561	insert_ob_in_map (tmp, op->map, op, 0);
…		…
1527	{	1566	{
1528	if (where->env)	1567	if (where->env)
1529	return where->env->insert (this);	1568	return where->env->insert (this);
1530	else	1569	else
1531	return where->map->insert (this, where->x, where->y, originator, flags);	1570	return where->map->insert (this, where->x, where->y, originator, flags);
		1571	}
		1572
		1573	// check whether we can put this into the map, respect max_volume, max_items
		1574	bool
		1575	object::can_drop_at (maptile *m, int x, int y, object *originator)
		1576	{
		1577	mapspace &ms = m->at (x, y);
		1578
		1579	int items = ms.items ();
		1580
		1581	if (!items // testing !items ensures we can drop at least one item
		1582	|| (items < m->max_items
		1583	&& ms.volume () < m->max_volume))
		1584	return true;
		1585
		1586	if (originator)
		1587	originator->failmsgf (
		1588	"No matter how hard you try, you just cannot put the %s here! H<Try to remove some items from the floor first.>",
		1589	query_name ()
		1590	);
		1591
		1592	return false;
1532	}	1593	}
1533		1594
1534	/*	1595	/*
1535	* decrease(object, number) decreases a specified number from	1596	* decrease(object, number) decreases a specified number from
1536	* the amount of an object. If the amount reaches 0, the object	1597	* the amount of an object. If the amount reaches 0, the object
…		…
1544	if (!nr)	1605	if (!nr)
1545	return true;	1606	return true;
1546		1607
1547	nr = min (nr, nrof);	1608	nr = min (nr, nrof);
1548		1609
		1610	if (nrof > nr)
		1611	{
		1612	weight_t oweight = total_weight ();
		1613
1549	nrof -= nr;	1614	nrof -= nr;
1550
1551	if (nrof)
1552	{
1553	adjust_weight (env, -weight * nr); // carrying == 0
1554		1615
1555	if (object *pl = visible_to ())	1616	if (object *pl = visible_to ())
1556	esrv_update_item (UPD_NROF, pl, this);	1617	esrv_update_item (UPD_NROF, pl, this);
1557		1618
		1619	adjust_weight (env, oweight, total_weight ());
		1620
1558	return true;	1621	return true;
1559	}	1622	}
1560	else	1623	else
1561	{	1624	{
1562	destroy (1);	1625	destroy ();
1563	return false;	1626	return false;
1564	}	1627	}
1565	}	1628	}
1566		1629
1567	/*	1630	/*
…		…
1584	}	1647	}
1585	else	1648	else
1586	{	1649	{
1587	decrease (nr);	1650	decrease (nr);
1588		1651
1589	object *op = object_create_clone (this);	1652	object *op = deep_clone ();
1590	op->nrof = nr;	1653	op->nrof = nr;
1591	return op;	1654	return op;
1592	}	1655	}
1593	}	1656	}
1594		1657
…		…
1636	if (op->nrof)	1699	if (op->nrof)
1637	for (object *tmp = inv; tmp; tmp = tmp->below)	1700	for (object *tmp = inv; tmp; tmp = tmp->below)
1638	if (object::can_merge (tmp, op))	1701	if (object::can_merge (tmp, op))
1639	{	1702	{
1640	/* return the original object and remove inserted object	1703	/* return the original object and remove inserted object
1641	(client needs the original object) */	1704	(client prefers the original object) */
		1705
		1706	// carrying must be 0 for mergable objects
		1707	weight_t oweight = weight_t (tmp->weight) * tmp->nrof;
		1708
1642	tmp->nrof += op->nrof;	1709	tmp->nrof += op->nrof;
1643		1710
1644	if (object *pl = tmp->visible_to ())	1711	if (object *pl = tmp->visible_to ())
1645	esrv_update_item (UPD_NROF, pl, tmp);	1712	esrv_update_item (UPD_NROF, pl, tmp);
1646		1713
1647	adjust_weight (this, op->total_weight ());	1714	adjust_weight (this, oweight, weight_t (tmp->weight) * tmp->nrof);
1648		1715
1649	op->destroy (1);	1716	op->destroy ();
1650	op = tmp;	1717	op = tmp;
1651	goto inserted;	1718	goto inserted;
1652	}	1719	}
1653		1720
1654	op->owner = 0; // it's his/hers now. period.	1721	op->owner = 0; // it's his/hers now. period.
…		…
1668	op->flag [FLAG_REMOVED] = 0;	1735	op->flag [FLAG_REMOVED] = 0;
1669		1736
1670	if (object *pl = op->visible_to ())	1737	if (object *pl = op->visible_to ())
1671	esrv_send_item (pl, op);	1738	esrv_send_item (pl, op);
1672		1739
1673	adjust_weight (this, op->total_weight ());	1740	adjust_weight (this, 0, op->total_weight ());
1674		1741
1675	inserted:	1742	inserted:
1676	/* reset the light list and los of the players on the map */	1743	/* reset the light list and los of the players on the map */
1677	if (op->glow_radius && map && map->darkness)	1744	if (op->glow_radius && is_on_map ())
		1745	{
		1746	update_stats ();
1678	update_all_los (map, x, y);	1747	update_all_los (map, x, y);
1679		1748	}
		1749	else if (is_player ())
1680	// if this is a player's inventory, update stats	1750	// if this is a player's inventory, update stats
1681	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])	1751	contr->queue_stats_update ();
1682	update_stats ();
1683		1752
1684	INVOKE_OBJECT (INSERT, this);	1753	INVOKE_OBJECT (INSERT, this);
1685		1754
1686	return op;	1755	return op;
1687	}	1756	}
…		…
1705	* MSW 2001-07-08: Check all objects on space, not just those below	1774	* MSW 2001-07-08: Check all objects on space, not just those below
1706	* object being inserted. insert_ob_in_map may not put new objects	1775	* object being inserted. insert_ob_in_map may not put new objects
1707	* on top.	1776	* on top.
1708	*/	1777	*/
1709	int	1778	int
1710	check_move_on (object *op, object *originator)	1779	check_move_on (object *op, object *originator, int flags)
1711	{	1780	{
		1781	if (op->flag [FLAG_NO_APPLY])
		1782	return 0;
		1783
1712	object *tmp;	1784	object *tmp;
1713	maptile *m = op->map;	1785	maptile *m = op->map;
1714	int x = op->x, y = op->y;	1786	int x = op->x, y = op->y;
1715		1787
1716	MoveType move_on, move_slow, move_block;	1788	mapspace &ms = m->at (x, y);
1717		1789
1718	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1790	ms.update ();
1719	return 0;
1720		1791
1721	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1792	MoveType move_on = ms.move_on;
1722	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1793	MoveType move_slow = ms.move_slow;
1723	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1794	MoveType move_block = ms.move_block;
1724		1795
1725	/* if nothing on this space will slow op down or be applied,	1796	/* if nothing on this space will slow op down or be applied,
1726	* no need to do checking below. have to make sure move_type	1797	* no need to do checking below. have to make sure move_type
1727	* is set, as lots of objects don't have it set - we treat that	1798	* is set, as lots of objects don't have it set - we treat that
1728	* as walking.	1799	* as walking.
…		…
1739	return 0;	1810	return 0;
1740		1811
1741	/* The objects have to be checked from top to bottom.	1812	/* The objects have to be checked from top to bottom.
1742	* Hence, we first go to the top:	1813	* Hence, we first go to the top:
1743	*/	1814	*/
1744		1815	for (object *next, *tmp = ms.top; tmp; tmp = next)
1745	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1746	{
1747	/* Trim the search when we find the first other spell effect
1748	* this helps performance so that if a space has 50 spell objects,
1749	* we don't need to check all of them.
1750	*/
1751	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1752	break;
1753	}	1816	{
		1817	next = tmp->below;
1754		1818
1755	for (; tmp; tmp = tmp->below)
1756	{
1757	if (tmp == op)	1819	if (tmp == op)
1758	continue; /* Can't apply yourself */	1820	continue; /* Can't apply yourself */
1759		1821
1760	/* Check to see if one of the movement types should be slowed down.	1822	/* Check to see if one of the movement types should be slowed down.
1761	* Second check makes sure that the movement types not being slowed	1823	* Second check makes sure that the movement types not being slowed
1762	* (~slow_move) is not blocked on this space - just because the	1824	* (~slow_move) is not blocked on this space - just because the
1763	* space doesn't slow down swimming (for example), if you can't actually	1825	* space doesn't slow down swimming (for example), if you can't actually
1764	* swim on that space, can't use it to avoid the penalty.	1826	* swim on that space, can't use it to avoid the penalty.
1765	*/	1827	*/
1766	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1828	if (!op->flag [FLAG_WIZPASS])
1767	{	1829	{
1768	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1830	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1769	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1831	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1770	{	1832	{
1771
1772	float
1773	diff = tmp->move_slow_penalty * fabs (op->speed);	1833	float diff = tmp->move_slow_penalty * fabs (op->speed);
1774		1834
1775	if (op->type == PLAYER)	1835	if (op->is_player ())
1776	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1836	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1777	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1837	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1778	diff /= 4.0;	1838	diff /= 4.0;
1779		1839
1780	op->speed_left -= diff;	1840	op->speed_left -= diff;
1781	}	1841	}
1782	}	1842	}
1783		1843
1784	/* Basically same logic as above, except now for actual apply. */	1844	/* Basically same logic as above, except now for actual apply. */
1785	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1845	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1786	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1846	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1787	{	1847	{
		1848	if ((flags & INS_NO_AUTO_EXIT)
		1849	&& (tmp->type == EXIT || tmp->type == TELEPORTER
		1850	|| tmp->type == HOLE || tmp->type == TRAPDOOR)) //TODO: temporary, fix exits instead
		1851	continue;
		1852
1788	move_apply (tmp, op, originator);	1853	move_apply (tmp, op, originator);
1789		1854
1790	if (op->destroyed ())	1855	if (op->destroyed ())
1791	return 1;	1856	return 1;
1792		1857
…		…
1815	LOG (llevError, "Present_arch called outside map.\n");	1880	LOG (llevError, "Present_arch called outside map.\n");
1816	return NULL;	1881	return NULL;
1817	}	1882	}
1818		1883
1819	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1884	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1820	if (tmp->arch == at)	1885	if (tmp->arch->archname == at->archname)
1821	return tmp;	1886	return tmp;
1822		1887
1823	return NULL;	1888	return NULL;
1824	}	1889	}
1825		1890
…		…
1889	* The first matching object is returned, or NULL if none.	1954	* The first matching object is returned, or NULL if none.
1890	*/	1955	*/
1891	object *	1956	object *
1892	present_arch_in_ob (const archetype *at, const object *op)	1957	present_arch_in_ob (const archetype *at, const object *op)
1893	{	1958	{
1894	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1959	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1895	if (tmp->arch == at)	1960	if (tmp->arch->archname == at->archname)
1896	return tmp;	1961	return tmp;
1897		1962
1898	return NULL;	1963	return NULL;
1899	}	1964	}
1900		1965
…		…
1904	void	1969	void
1905	flag_inv (object *op, int flag)	1970	flag_inv (object *op, int flag)
1906	{	1971	{
1907	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1972	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1908	{	1973	{
1909	SET_FLAG (tmp, flag);	1974	tmp->set_flag (flag);
1910	flag_inv (tmp, flag);	1975	flag_inv (tmp, flag);
1911	}	1976	}
1912	}	1977	}
1913		1978
1914	/*	1979	/*
…		…
1917	void	1982	void
1918	unflag_inv (object *op, int flag)	1983	unflag_inv (object *op, int flag)
1919	{	1984	{
1920	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1985	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1921	{	1986	{
1922	CLEAR_FLAG (tmp, flag);	1987	tmp->clr_flag (flag);
1923	unflag_inv (tmp, flag);	1988	unflag_inv (tmp, flag);
1924	}	1989	}
1925	}	1990	}
1926		1991
1927	/*	1992	/*
…		…
1944	*/	2009	*/
1945	int	2010	int
1946	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2011	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1947	{	2012	{
1948	int altern[SIZEOFFREE];	2013	int altern[SIZEOFFREE];
1949	int index = 0, flag;	2014	int index = 0;
1950		2015
1951	for (int i = start; i < stop; i++)	2016	for (int i = start; i < stop; i++)
1952	{	2017	{
1953	mapxy pos (m, x, y); pos.move (i);	2018	mapxy pos (m, x, y); pos.move (i);
1954		2019
…		…
1988	* head of the object should correspond for the entire object.	2053	* head of the object should correspond for the entire object.
1989	*/	2054	*/
1990	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	2055	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
1991	continue;	2056	continue;
1992		2057
1993	if (ob->blocked (m, pos.x, pos.y))	2058	if (ob->blocked (pos.m, pos.x, pos.y))
1994	continue;	2059	continue;
1995		2060
1996	altern [index++] = i;	2061	altern [index++] = i;
1997	}	2062	}
1998		2063
…		…
2066	* there is capable of.	2131	* there is capable of.
2067	*/	2132	*/
2068	int	2133	int
2069	find_dir (maptile *m, int x, int y, object *exclude)	2134	find_dir (maptile *m, int x, int y, object *exclude)
2070	{	2135	{
2071	int i, max = SIZEOFFREE, mflags;	2136	int max = SIZEOFFREE;
2072
2073	sint16 nx, ny;
2074	object *tmp;
2075	maptile *mp;
2076
2077	MoveType blocked, move_type;	2137	MoveType move_type;
2078		2138
2079	if (exclude && exclude->head_ () != exclude)	2139	if (exclude && exclude->head_ () != exclude)
2080	{	2140	{
2081	exclude = exclude->head;	2141	exclude = exclude->head;
2082	move_type = exclude->move_type;	2142	move_type = exclude->move_type;
…		…
2085	{	2145	{
2086	/* If we don't have anything, presume it can use all movement types. */	2146	/* If we don't have anything, presume it can use all movement types. */
2087	move_type = MOVE_ALL;	2147	move_type = MOVE_ALL;
2088	}	2148	}
2089		2149
2090	for (i = 1; i < max; i++)	2150	for (int i = 1; i < max; i++)
2091	{	2151	{
2092	mp = m;	2152	mapxy pos (m, x, y);
2093	nx = x + freearr_x[i];	2153	pos.move (i);
2094	ny = y + freearr_y[i];
2095		2154
2096	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2155	if (!pos.normalise ())
2097
2098	if (mflags & P_OUT_OF_MAP)
2099	max = maxfree[i];	2156	max = maxfree[i];
2100	else	2157	else
2101	{	2158	{
2102	mapspace &ms = mp->at (nx, ny);	2159	mapspace &ms = *pos;
2103		2160
2104	blocked = ms.move_block;
2105
2106	if ((move_type & blocked) == move_type)	2161	if ((move_type & ms.move_block) == move_type)
2107	max = maxfree[i];	2162	max = maxfree [i];
2108	else if (mflags & P_IS_ALIVE)	2163	else if (ms.flags () & P_IS_ALIVE)
2109	{	2164	{
2110	for (tmp = ms.bot; tmp; tmp = tmp->above)	2165	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2111	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2166	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2112	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2167	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2113	break;
2114
2115	if (tmp)
2116	return freedir[i];	2168	return freedir [i];
2117	}	2169	}
2118	}	2170	}
2119	}	2171	}
2120		2172
2121	return 0;	2173	return 0;
…		…
2130	{	2182	{
2131	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2183	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2132	}	2184	}
2133		2185
2134	/*	2186	/*
2135	* find_dir_2(delta-x,delta-y) will return a direction in which	2187	* find_dir_2(delta-x,delta-y) will return a direction value
2136	* an object which has subtracted the x and y coordinates of another	2188	* for running into direct [dx, dy].
2137	* object, needs to travel toward it.	2189	* (the opposite of crossfire's find_dir_2!)
2138	*/	2190	*/
2139	int	2191	int
2140	find_dir_2 (int x, int y)	2192	find_dir_2 (int x, int y)
2141	{	2193	{
		2194	#if 1 // new algorithm
		2195	// this works by putting x, y into 16 sectors, which
		2196	// are not equal sized, but are a better approximation
		2197	// then the old algorithm, and then using a mapping
		2198	// table to map it into a direction value.
		2199	// basically, it maps these comparisons to each bit
		2200	// bit #3: x < 0
		2201	// bit #2: y < 0
		2202	// bit #1: x > y
		2203	// bit #0: x > 2y
		2204
		2205	static const uint8 dir[16] = {
		2206	4, 5, 4, 3,
		2207	2, 1, 2, 3,
		2208	6, 5, 6, 7,
		2209	8, 1, 8, 7,
		2210	};
		2211	int sector = 0;
		2212
		2213	// this is a bit ugly, but more likely to result in branchless code
		2214	sector |= x < 0 ? 8 : 0;
		2215	x = x < 0 ? -x : x; // abs
		2216
		2217	sector |= y < 0 ? 4 : 0;
		2218	y = y < 0 ? -y : y; // abs
		2219
		2220	if (x > y)
		2221	{
		2222	sector |= 2;
		2223
		2224	if (x > y * 2)
		2225	sector |= 1;
		2226	}
		2227	else
		2228	{
		2229	if (y > x * 2)
		2230	sector |= 1;
		2231	else if (!y)
		2232	return 0; // x == 0 here
		2233	}
		2234
		2235	return dir [sector];
		2236	#else // old algorithm
2142	int q;	2237	int q;
2143		2238
2144	if (y)	2239	if (y)
2145	q = x * 100 / y;	2240	q = 128 * x / y;
2146	else if (x)	2241	else if (x)
2147	q = -300 * x;	2242	q = -512 * x; // to make it > 309
2148	else	2243	else
2149	return 0;	2244	return 0;
2150		2245
2151	if (y > 0)	2246	if (y > 0)
2152	{	2247	{
2153	if (q < -242)	2248	if (q < -309) return 7;
		2249	if (q < -52) return 6;
		2250	if (q < 52) return 5;
		2251	if (q < 309) return 4;
		2252
2154	return 3;	2253	return 3;
2155	if (q < -41)	2254	}
2156	return 2;	2255	else
2157	if (q < 41)	2256	{
2158	return 1;	2257	if (q < -309) return 3;
2159	if (q < 242)	2258	if (q < -52) return 2;
2160	return 8;	2259	if (q < 52) return 1;
		2260	if (q < 309) return 8;
		2261
2161	return 7;	2262	return 7;
2162	}	2263	}
2163		2264	#endif
2164	if (q < -242)
2165	return 7;
2166	if (q < -41)
2167	return 6;
2168	if (q < 41)
2169	return 5;
2170	if (q < 242)
2171	return 4;
2172
2173	return 3;
2174	}	2265	}
2175		2266
2176	/*	2267	/*
2177	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2268	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2178	* between two directions (which are expected to be absolute (see absdir())	2269	* between two directions (which are expected to be absolute (see absdir())
2179	*/	2270	*/
2180	int	2271	int
2181	dirdiff (int dir1, int dir2)	2272	dirdiff (int dir1, int dir2)
2182	{	2273	{
2183	int d;
2184
2185	d = abs (dir1 - dir2);	2274	int d = abs (dir1 - dir2);
2186	if (d > 4)
2187	d = 8 - d;
2188		2275
2189	return d;	2276	return d > 4 ? 8 - d : d;
2190	}	2277	}
2191		2278
2192	/* peterm:	2279	/* peterm:
2193	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2280	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2194	* Basically, this is a table of directions, and what directions	2281	* Basically, this is a table of directions, and what directions
…		…
2196	* This basically means that if direction is 15, then it could either go	2283	* This basically means that if direction is 15, then it could either go
2197	* direction 4, 14, or 16 to get back to where we are.	2284	* direction 4, 14, or 16 to get back to where we are.
2198	* Moved from spell_util.c to object.c with the other related direction	2285	* Moved from spell_util.c to object.c with the other related direction
2199	* functions.	2286	* functions.
2200	*/	2287	*/
2201	int reduction_dir[SIZEOFFREE][3] = {	2288	static const int reduction_dir[SIZEOFFREE][3] = {
2202	{0, 0, 0}, /* 0 */	2289	{0, 0, 0}, /* 0 */
2203	{0, 0, 0}, /* 1 */	2290	{0, 0, 0}, /* 1 */
2204	{0, 0, 0}, /* 2 */	2291	{0, 0, 0}, /* 2 */
2205	{0, 0, 0}, /* 3 */	2292	{0, 0, 0}, /* 3 */
2206	{0, 0, 0}, /* 4 */	2293	{0, 0, 0}, /* 4 */
…		…
2300	* Add a check so we can't pick up invisible objects (0.93.8)	2387	* Add a check so we can't pick up invisible objects (0.93.8)
2301	*/	2388	*/
2302	int	2389	int
2303	can_pick (const object *who, const object *item)	2390	can_pick (const object *who, const object *item)
2304	{	2391	{
2305	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2392	return /*who->flag [FLAG_WIZ]|| */
2306	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2393	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2307	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2394	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2308	}	2395	}
		2396
		2397	//-GPL
2309		2398
2310	/*	2399	/*
2311	* create clone from object to another	2400	* create clone from object to another
2312	*/	2401	*/
2313	object *	2402	object *
2314	object_create_clone (object *asrc)	2403	object::deep_clone ()
2315	{	2404	{
2316	object *dst = 0, *tmp, *src, *prev, *item;	2405	assert (("deep_clone called on non-head object", is_head ()));
2317		2406
2318	if (!asrc)	2407	object *dst = clone ();
2319	return 0;
2320		2408
2321	src = asrc->head_ ();	2409	object *prev = dst;
2322
2323	prev = 0;
2324	for (object *part = src; part; part = part->more)	2410	for (object *part = this->more; part; part = part->more)
2325	{	2411	{
2326	tmp = part->clone ();	2412	object *tmp = part->clone ();
2327	tmp->x -= src->x;
2328	tmp->y -= src->y;
2329
2330	if (!part->head)
2331	{
2332	dst = tmp;
2333	tmp->head = 0;
2334	}
2335	else
2336	tmp->head = dst;	2413	tmp->head = dst;
2337
2338	tmp->more = 0;
2339
2340	if (prev)
2341	prev->more = tmp;	2414	prev->more = tmp;
2342
2343	prev = tmp;	2415	prev = tmp;
2344	}	2416	}
2345		2417
2346	for (item = src->inv; item; item = item->below)	2418	for (object *item = inv; item; item = item->below)
2347	insert_ob_in_ob (object_create_clone (item), dst);	2419	insert_ob_in_ob (item->deep_clone (), dst);
2348		2420
2349	return dst;	2421	return dst;
2350	}	2422	}
2351		2423
2352	/* This returns the first object in who's inventory that	2424	/* This returns the first object in who's inventory that
…		…
2361	return tmp;	2433	return tmp;
2362		2434
2363	return 0;	2435	return 0;
2364	}	2436	}
2365		2437
2366	/* If ob has a field named key, return the link from the list,	2438	/* Zero the key_values on op, decrementing the shared-string
2367	* otherwise return NULL.	2439	* refcounts and freeing the links.
2368	*	2440	*/
2369	* key must be a passed in shared string - otherwise, this won't	2441	void
2370	* do the desired thing.	2442	key_values::clear ()
2371	*/
2372	key_value *
2373	get_ob_key_link (const object *ob, const char *key)
2374	{	2443	{
2375	for (key_value *link = ob->key_values; link; link = link->next)	2444	for (key_value *kvp = first; kvp; )
		2445	{
		2446	key_value *next = kvp->next;
		2447	delete kvp;
		2448	kvp = next;
		2449	}
		2450
		2451	first = 0;
		2452	}
		2453
		2454	shstr_tmp
		2455	key_values::get (shstr_tmp key) const
		2456	{
		2457	for (key_value *kv = first; kv; kv = kv->next)
2376	if (link->key == key)	2458	if (kv->key == key)
2377	return link;
2378
2379	return 0;
2380	}
2381
2382	/*
2383	* Returns the value of op has an extra_field for key, or NULL.
2384	*
2385	* The argument doesn't need to be a shared string.
2386	*
2387	* The returned string is shared.
2388	*/
2389	const char *
2390	get_ob_key_value (const object *op, const char *const key)
2391	{
2392	key_value *link;
2393	shstr_cmp canonical_key (key);
2394
2395	if (!canonical_key)
2396	{
2397	/* 1. There being a field named key on any object
2398	* implies there'd be a shared string to find.
2399	* 2. Since there isn't, no object has this field.
2400	* 3. Therefore, *this* object doesn't have this field.
2401	*/
2402	return 0;
2403	}
2404
2405	/* This is copied from get_ob_key_link() above -
2406	* only 4 lines, and saves the function call overhead.
2407	*/
2408	for (link = op->key_values; link; link = link->next)
2409	if (link->key == canonical_key)
2410	return link->value;	2459	return kv->value;
2411		2460
2412	return 0;	2461	return shstr ();
2413	}	2462	}
2414		2463
2415	/*	2464	void
2416	* Updates the canonical_key in op to value.	2465	key_values::add (shstr_tmp key, shstr_tmp value)
2417	*
2418	* canonical_key is a shared string (value doesn't have to be).
2419	*
2420	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2421	* keys.
2422	*
2423	* Returns TRUE on success.
2424	*/
2425	int
2426	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2427	{	2466	{
2428	key_value *field = NULL, *last = NULL;	2467	key_value *kv = new key_value;
2429		2468
2430	for (field = op->key_values; field != NULL; field = field->next)	2469	kv->next = first;
2431	{	2470	kv->key = key;
2432	if (field->key != canonical_key)	2471	kv->value = value;
		2472
		2473	first = kv;
		2474	}
		2475
		2476	void
		2477	key_values::set (shstr_tmp key, shstr_tmp value)
		2478	{
		2479	for (key_value *kv = first; kv; kv = kv->next)
		2480	if (kv->key == key)
2433	{	2481	{
2434	last = field;	2482	kv->value = value;
2435	continue;	2483	return;
2436	}	2484	}
2437		2485
2438	if (value)	2486	add (key, value);
2439	field->value = value;	2487	}
2440	else	2488
		2489	void
		2490	key_values::del (shstr_tmp key)
		2491	{
		2492	for (key_value **kvp = &first; *kvp; kvp = &(*kvp)->next)
		2493	if ((*kvp)->key == key)
2441	{	2494	{
2442	/* Basically, if the archetype has this key set,	2495	key_value *kv = *kvp;
2443	* we need to store the null value so when we save	2496	*kvp = (*kvp)->next;
2444	* it, we save the empty value so that when we load,	2497	delete kv;
2445	* we get this value back again.	2498	return;
2446	*/
2447	if (get_ob_key_link (op->arch, canonical_key))
2448	field->value = 0;
2449	else
2450	{
2451	if (last)
2452	last->next = field->next;
2453	else
2454	op->key_values = field->next;
2455
2456	delete field;
2457	}
2458	}	2499	}
2459	return TRUE;	2500	}
		2501
		2502	void
		2503	key_values::reverse ()
		2504	{
		2505	key_value *prev = 0;
		2506	key_value *head = first;
		2507
		2508	while (head)
2460	}	2509	{
2461	/* IF we get here, key doesn't exist */	2510	key_value *node = head;
		2511	head = head->next;
		2512	node->next = prev;
		2513	prev = node;
		2514	}
2462		2515
2463	/* No field, we'll have to add it. */	2516	first = prev;
2464
2465	if (!add_key)
2466	return FALSE;
2467
2468	/* There isn't any good reason to store a null
2469	* value in the key/value list. If the archetype has
2470	* this key, then we should also have it, so shouldn't
2471	* be here. If user wants to store empty strings,
2472	* should pass in ""
2473	*/
2474	if (value == NULL)
2475	return TRUE;
2476
2477	field = new key_value;
2478
2479	field->key = canonical_key;
2480	field->value = value;
2481	/* Usual prepend-addition. */
2482	field->next = op->key_values;
2483	op->key_values = field;
2484
2485	return TRUE;
2486	}	2517	}
2487		2518
2488	/*	2519	key_values &
2489	* Updates the key in op to value.	2520	key_values::operator =(const key_values &kv)
2490	*
2491	* If add_key is FALSE, this will only update existing keys,
2492	* and not add new ones.
2493	* In general, should be little reason FALSE is ever passed in for add_key
2494	*
2495	* Returns TRUE on success.
2496	*/
2497	int
2498	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2499	{	2521	{
2500	shstr key_ (key);	2522	clear ();
2501		2523
2502	return set_ob_key_value_s (op, key_, value, add_key);	2524	for (key_value *kvp = kv.first; kvp; kvp = kvp->next)
		2525	add (kvp->key, kvp->value);
		2526
		2527	reverse ();
2503	}	2528	}
2504		2529
2505	object::depth_iterator::depth_iterator (object *container)	2530	object::depth_iterator::depth_iterator (object *container)
2506	: iterator_base (container)	2531	: iterator_base (container)
2507	{	2532	{
…		…
2557	{	2582	{
2558	char flagdesc[512];	2583	char flagdesc[512];
2559	char info2[256 * 4];	2584	char info2[256 * 4];
2560	char *p = info;	2585	char *p = info;
2561		2586
2562	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",	2587	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2563	count,	2588	count,
2564	uuid.c_str (),	2589	uuid.c_str (),
2565	&name,	2590	&name,
2566	title ? "\",title:\"" : "",	2591	title ? ",title:\"" : "",
2567	title ? (const char *)title : "",	2592	title ? (const char *)title : "",
		2593	title ? "\"" : "",
2568	flag_desc (flagdesc, 512), type);	2594	flag_desc (flagdesc, 512), type);
2569		2595
2570	if (!this->flag[FLAG_REMOVED] && env)	2596	if (!flag[FLAG_REMOVED] && env)
2571	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2597	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2572		2598
2573	if (map)	2599	if (map)
2574	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2600	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2575		2601
…		…
2590	{	2616	{
2591	return map ? map->region (x, y)	2617	return map ? map->region (x, y)
2592	: region::default_region ();	2618	: region::default_region ();
2593	}	2619	}
2594		2620
2595	const materialtype_t *	2621	//+GPL
2596	object::dominant_material () const
2597	{
2598	if (materialtype_t *mt = name_to_material (materialname))
2599	return mt;
2600
2601	return name_to_material (shstr_unknown);
2602	}
2603		2622
2604	void	2623	void
2605	object::open_container (object *new_container)	2624	object::open_container (object *new_container)
2606	{	2625	{
2607	if (container == new_container)	2626	if (container == new_container)
2608	return;	2627	return;
2609		2628
2610	if (object *old_container = container)	2629	object *old_container = container;
		2630
		2631	if (old_container)
2611	{	2632	{
2612	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2633	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2613	return;	2634	return;
2614		2635
2615	#if 0	2636	#if 0
…		…
2617	if (object *closer = old_container->inv)	2638	if (object *closer = old_container->inv)
2618	if (closer->type == CLOSE_CON)	2639	if (closer->type == CLOSE_CON)
2619	closer->destroy ();	2640	closer->destroy ();
2620	#endif	2641	#endif
2621		2642
		2643	// make sure the container is available
		2644	esrv_send_item (this, old_container);
		2645
2622	old_container->flag [FLAG_APPLIED] = 0;	2646	old_container->flag [FLAG_APPLIED] = false;
2623	container = 0;	2647	container = 0;
2624		2648
		2649	// client needs item update to make it work, client bug requires this to be separate
2625	esrv_update_item (UPD_FLAGS, this, old_container);	2650	esrv_update_item (UPD_FLAGS, this, old_container);
		2651
2626	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2652	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2627	play_sound (sound_find ("chest_close"));	2653	play_sound (sound_find ("chest_close"));
2628	}	2654	}
2629		2655
2630	if (new_container)	2656	if (new_container)
2631	{	2657	{
…		…
2635	// TODO: this does not seem to serve any purpose anymore?	2661	// TODO: this does not seem to serve any purpose anymore?
2636	#if 0	2662	#if 0
2637	// insert the "Close Container" object.	2663	// insert the "Close Container" object.
2638	if (archetype *closer = new_container->other_arch)	2664	if (archetype *closer = new_container->other_arch)
2639	{	2665	{
2640	object *closer = arch_to_object (new_container->other_arch);	2666	object *closer = new_container->other_arch->instance ();
2641	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2667	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2642	new_container->insert (closer);	2668	new_container->insert (closer);
2643	}	2669	}
2644	#endif	2670	#endif
2645		2671
2646	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2672	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2647		2673
		2674	// make sure the container is available, client bug requires this to be separate
		2675	esrv_send_item (this, new_container);
		2676
2648	new_container->flag [FLAG_APPLIED] = 1;	2677	new_container->flag [FLAG_APPLIED] = true;
2649	container = new_container;	2678	container = new_container;
2650		2679
		2680	// client needs flag change
2651	esrv_update_item (UPD_FLAGS, this, new_container);	2681	esrv_update_item (UPD_FLAGS, this, new_container);
2652	esrv_send_inventory (this, new_container);	2682	esrv_send_inventory (this, new_container);
2653	play_sound (sound_find ("chest_open"));	2683	play_sound (sound_find ("chest_open"));
2654	}	2684	}
		2685	// else if (!old_container->env && contr && contr->ns)
		2686	// contr->ns->floorbox_reset ();
2655	}	2687	}
		2688
		2689	//-GPL
		2690
		2691	// prefetch some flat area around the player
		2692	static void
		2693	prefetch_surrounding_area (object *op, maptile *map, int range)
		2694	{
		2695	for (maprect *rect = map->split_to_tiles (mapwalk_buf,
		2696	op->x - range , op->y - range ,
		2697	op->x + range + 1, op->y + range + 1);
		2698	rect->m;
		2699	++rect)
		2700	{
		2701	rect->m->touch ();
		2702	rect->m->activate ();
		2703	}
		2704	}
		2705
		2706	// prefetch a generous area around the player, also up and down
		2707	void
		2708	object::prefetch_surrounding_maps ()
		2709	{
		2710	prefetch_surrounding_area (this, map, 40);
		2711
		2712	if (maptile *m = map->tile_available (TILE_DOWN))
		2713	prefetch_surrounding_area (this, m, 20);
		2714
		2715	if (maptile *m = map->tile_available (TILE_UP))
		2716	prefetch_surrounding_area (this, m, 20);
		2717	}
		2718
		2719	//+GPL
2656		2720
2657	object *	2721	object *
2658	object::force_find (const shstr name)	2722	object::force_find (shstr_tmp name)
2659	{	2723	{
2660	/* cycle through his inventory to look for the MARK we want to	2724	/* cycle through his inventory to look for the MARK we want to
2661	* place	2725	* place
2662	*/	2726	*/
2663	for (object *tmp = inv; tmp; tmp = tmp->below)	2727	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2666		2730
2667	return 0;	2731	return 0;
2668	}	2732	}
2669		2733
2670	void	2734	void
		2735	object::force_set_timer (int duration)
		2736	{
		2737	this->duration = 1;
		2738	this->speed_left = -1.f;
		2739
		2740	this->set_speed (duration ? 1.f / duration : 0.f);
		2741	}
		2742
		2743	object *
2671	object::force_add (const shstr name, int duration)	2744	object::force_add (shstr_tmp name, int duration)
2672	{	2745	{
2673	if (object *force = force_find (name))	2746	if (object *force = force_find (name))
2674	force->destroy ();	2747	force->destroy ();
2675		2748
2676	object *force = get_archetype (FORCE_NAME);	2749	object *force = archetype::get (FORCE_NAME);
2677		2750
2678	force->slaying = name;	2751	force->slaying = name;
2679	force->stats.food = 1;	2752	force->force_set_timer (duration);
2680	force->speed_left = -1.f;
2681
2682	force->set_speed (duration ? 1.f / duration : 0.f);
2683	force->flag [FLAG_IS_USED_UP] = true;
2684	force->flag [FLAG_APPLIED] = true;	2753	force->flag [FLAG_APPLIED] = true;
2685		2754
2686	insert (force);	2755	return insert (force);
2687	}	2756	}
2688		2757
2689	void	2758	void
2690	object::play_sound (faceidx sound)	2759	object::play_sound (faceidx sound) const
2691	{	2760	{
2692	if (!sound)	2761	if (!sound)
2693	return;	2762	return;
2694		2763
2695	if (flag [FLAG_REMOVED])	2764	if (is_on_map ())
		2765	map->play_sound (sound, x, y);
		2766	else if (object *pl = in_player ())
		2767	pl->contr->play_sound (sound);
		2768	}
		2769
		2770	void
		2771	object::say_msg (const char *msg) const
		2772	{
		2773	if (is_on_map ())
		2774	map->say_msg (msg, x, y);
		2775	else if (object *pl = in_player ())
		2776	pl->contr->play_sound (sound);
		2777	}
		2778
		2779	void
		2780	object::make_noise ()
		2781	{
		2782	// we do not model noise in the map, so instead put
		2783	// a temporary light into the noise source
		2784	// could use the map instead, but that's less reliable for our
		2785	// goal, which is to make invisibility a bit harder to exploit
		2786
		2787	// currently only works sensibly for players
		2788	if (!is_player ())
2696	return;	2789	return;
2697		2790
2698	if (env)	2791	// find old force, or create new one
2699	{	2792	object *force = force_find (shstr_noise_force);
2700	if (object *pl = in_player ())	2793
2701	pl->contr->play_sound (sound);	2794	if (force)
2702	}	2795	force->speed_left = -1.f; // patch old speed up
2703	else	2796	else
2704	map->play_sound (sound, x, y);	2797	{
2705	}	2798	force = archetype::get (shstr_noise_force);
2706		2799
		2800	force->slaying = shstr_noise_force;
		2801	force->stats.food = 1;
		2802	force->speed_left = -1.f;
		2803
		2804	force->set_speed (1.f / 4.f);
		2805	force->flag [FLAG_IS_USED_UP] = true;
		2806	force->flag [FLAG_APPLIED] = true;
		2807
		2808	insert (force);
		2809	}
		2810	}
		2811
		2812	void object::change_move_type (MoveType mt)
		2813	{
		2814	if (move_type == mt)
		2815	return;
		2816
		2817	if (is_on_map ())
		2818	{
		2819	// we are on the map, so handle move_on/off effects
		2820	remove ();
		2821	move_type = mt;
		2822	map->insert (this, x, y, this);
		2823	}
		2824	else
		2825	move_type = mt;
		2826	}
		2827
		2828	/* object should be a player.
		2829	* we return the object the player has marked with the 'mark' command
		2830	* below. If no match is found (or object has changed), we return
		2831	* NULL. We leave it up to the calling function to print messages if
		2832	* nothing is found.
		2833	*/
		2834	object *
		2835	object::mark () const
		2836	{
		2837	if (contr && contr->mark && contr->mark->env == this)
		2838	return contr->mark;
		2839	else
		2840	return 0;
		2841	}
		2842
		2843	// put marked object first in the inventory
		2844	// this is used by identify-like spells so players can influence
		2845	// the order a bit.
		2846	void
		2847	object::splay_marked ()
		2848	{
		2849	if (object *marked = mark ())
		2850	splay (marked);
		2851	}
		2852

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