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Comparing deliantra/server/common/object.C (file contents):
Revision 1.211 by root, Mon Apr 21 21:32:32 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 <funcpoint.h>
30	#include <sproto.h>	30	#include <sproto.h>
31	#include <loader.h>
32		31
33	#include <bitset>	32	#include <bitset>
34		33
35	UUID UUID::cur;	34	UUID UUID::cur;
36	static uint64_t seq_next_save;	35	static uint64_t seq_next_save;
37	static const uint64 UUID_GAP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
38		38
39	objectvec objects;	39	objectvec objects;
40	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
41		49
42	short freearr_x[SIZEOFFREE] = {	50	short freearr_x[SIZEOFFREE] = {
43	0,	51	0,
44	0, 1, 1, 1, 0, -1, -1, -1,	52	0, 1, 1, 1, 0, -1, -1, -1,
45	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,
…		…
49	0,	57	0,
50	-1, -1, 0, 1, 1, 1, 0, -1,	58	-1, -1, 0, 1, 1, 1, 0, -1,
51	-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,
52	-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
53	};	61	};
54	int maxfree[SIZEOFFREE] = {
55	0,
56	9, 10, 13, 14, 17, 18, 21, 22,
57	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
58	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
59	};
60	int freedir[SIZEOFFREE] = {	62	int freedir[SIZEOFFREE] = {
61	0,	63	0,
62	1, 2, 3, 4, 5, 6, 7, 8,	64	1, 2, 3, 4, 5, 6, 7, 8,
63	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,
64	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
65	};	67	};
66		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
67	static void	95	static void
68	write_uuid (uval64 skip, bool sync)	96	write_uuid (uval64 skip, bool sync)
69	{	97	{
70	CALL_BEGIN (2);	98	CALL_BEGIN (2);
71	CALL_ARG_SV (newSVval64 (skip));	99	CALL_ARG_SV (newSVval64 (skip));
…		…
73	CALL_CALL ("cf::write_uuid", G_DISCARD);	101	CALL_CALL ("cf::write_uuid", G_DISCARD);
74	CALL_END;	102	CALL_END;
75	}	103	}
76		104
77	static void	105	static void
78	read_uuid (void)	106	read_uuid ()
79	{	107	{
80	char filename[MAX_BUF];	108	char filename[MAX_BUF];
81		109
82	sprintf (filename, "%s/uuid", settings.localdir);	110	sprintf (filename, "%s/uuid", settings.localdir);
83		111
…		…
97		125
98	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	126	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
99	_exit (1);	127	_exit (1);
100	}	128	}
101		129
102	UUID::BUF buf;	130	char buf [UUID::MAX_LEN];
103	buf[0] = 0;	131	buf[0] = 0;
104	fgets (buf, sizeof (buf), fp);	132	fgets (buf, sizeof (buf), fp);
105		133
106	if (!UUID::cur.parse (buf))	134	if (!UUID::cur.parse (buf))
107	{	135	{
…		…
134		162
135	void	163	void
136	UUID::init ()	164	UUID::init ()
137	{	165	{
138	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;
139	}	232	}
140		233
141	/* 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. */
142	static bool	235	static bool
143	compare_ob_value_lists_one (const object *wants, const object *has)	236	compare_ob_value_lists_one (const object *wants, const object *has)
144	{	237	{
145	key_value *wants_field;
146
147	/* 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
148	* 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
149	* different structure or at least keep the lists sorted...	240	* different structure or at least keep the lists sorted...
150	*/	241	*/
151		242
152	/* For each field in wants, */	243	/* For each field in wants, */
153	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)
154	{	245	if (has->kv.get (kv->key) != kv->value)
155	key_value *has_field;	246	return false;
156
157	/* Look for a field in has with the same key. */
158	has_field = get_ob_key_link (has, wants_field->key);
159
160	if (!has_field)
161	return 0; /* No field with that name. */
162
163	/* Found the matching field. */
164	if (has_field->value != wants_field->value)
165	return 0; /* Values don't match, so this half of the comparison is false. */
166
167	/* If we get here, we found a match. Now for the next field in wants. */
168	}
169		247
170	/* 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. */
171	return 1;	249	return true;
172	}	250	}
173		251
174	/* Returns TRUE if ob1 has the same key_values as ob2. */	252	/* Returns TRUE if ob1 has the same key_values as ob2. */
175	static bool	253	static bool
176	compare_ob_value_lists (const object *ob1, const object *ob2)	254	compare_ob_value_lists (const object *ob1, const object *ob2)
177	{	255	{
178	/* 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,
179	* so we need to run the comparison *twice*. :(	257	* so we need to run the comparison *twice*. :(
180	*/	258	*/
181	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);
182	}	261	}
183		262
184	/* 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
185	* they can be merged together.	264	* they can be merged together.
186	*	265	*
…		…
193	* Improvements made with merge: Better checking on potion, and also	272	* Improvements made with merge: Better checking on potion, and also
194	* check weight	273	* check weight
195	*/	274	*/
196	bool object::can_merge_slow (object *ob1, object *ob2)	275	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	276	{
198	/* A couple quicksanity checks */	277	/* A couple quick sanity checks */
199	if (ob1 == ob2	278	if (ob1 == ob2
200	|| ob1->type != ob2->type	279	|| ob1->type != ob2->type
201	|| ob1->speed != ob2->speed
202	|| ob1->value != ob2->value	280	|| ob1->value != ob2->value
203	|| 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)
204	return 0;	284	return 0;
205		285
206	/* Do not merge objects if nrof would overflow. First part checks	286	/* Do not merge objects if nrof would overflow, assume nrof
207	* for unsigned overflow (2c), second part checks whether the result	287	* is always 0 .. 2**31-1 */
208	* would fit into a 32 bit signed int, which is often used to hold	288	if (ob1->nrof > 0x7fffffff - ob2->nrof)
209	* nrof values.
210	*/
211	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
212	return 0;	289	return 0;
213		290
214	/* If the objects have been identified, set the BEEN_APPLIED flag.	291	/* If the objects have been identified, set the BEEN_APPLIED flag.
215	* This is to the comparison of the flags below will be OK. We	292	* This is to the comparison of the flags below will be OK. We
216	* just can't ignore the been applied or identified flags, as they	293	* just can't ignore the been applied or identified flags, as they
217	* are not equal - just if it has been identified, the been_applied	294	* are not equal - just if it has been identified, the been_applied
218	* flags lose any meaning.	295	* flags lose any meaning.
219	*/	296	*/
220	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	297	if (ob1->flag [FLAG_IDENTIFIED])
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	298	ob1->set_flag (FLAG_BEEN_APPLIED);
222		299
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	300	if (ob2->flag [FLAG_IDENTIFIED])
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	301	ob2->set_flag (FLAG_BEEN_APPLIED);
225		302
226	if (ob1->arch->name != ob2->arch->name	303	if (ob1->arch->archname != ob2->arch->archname
227	|| ob1->name != ob2->name	304	|| ob1->name != ob2->name
228	|| ob1->title != ob2->title	305	|| ob1->title != ob2->title
229	|| ob1->msg != ob2->msg	306	|| ob1->msg != ob2->msg
230	|| ob1->weight != ob2->weight	307	|| ob1->weight != ob2->weight
231	|| ob1->attacktype != ob2->attacktype	308	|| ob1->attacktype != ob2->attacktype
232	|| ob1->magic != ob2->magic	309	|| ob1->magic != ob2->magic
233	|| ob1->slaying != ob2->slaying	310	|| ob1->slaying != ob2->slaying
234	|| ob1->skill != ob2->skill	311	|| ob1->skill != ob2->skill
235	|| ob1->value != ob2->value	312	|| ob1->value != ob2->value
236	|| 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
237	|| ob1->client_type != ob2->client_type	315	|| ob1->client_type != ob2->client_type
238	|| ob1->materialname != ob2->materialname	316	|| ob1->material != ob2->material
239	|| ob1->lore != ob2->lore	317	|| ob1->lore != ob2->lore
240	|| ob1->subtype != ob2->subtype	318	|| ob1->subtype != ob2->subtype
241	|| ob1->move_type != ob2->move_type	319	|| ob1->move_type != ob2->move_type
242	|| ob1->move_block != ob2->move_block	320	|| ob1->move_block != ob2->move_block
243	|| ob1->move_allow != ob2->move_allow	321	|| ob1->move_allow != ob2->move_allow
244	|| ob1->move_on != ob2->move_on	322	|| ob1->move_on != ob2->move_on
245	|| ob1->move_off != ob2->move_off	323	|| ob1->move_off != ob2->move_off
246	|| ob1->move_slow != ob2->move_slow	324	|| ob1->move_slow != ob2->move_slow
247	|| ob1->move_slow_penalty != ob2->move_slow_penalty	325	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
248	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))	326	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
249	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))	327	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
250	return 0;	328	return 0;
251		329
252	if ((ob1->flag ^ ob2->flag)	330	if ((ob1->flag ^ ob2->flag)
253	.reset (FLAG_INV_LOCKED)	331	.reset (FLAG_INV_LOCKED)
254	.reset (FLAG_CLIENT_SENT)
255	.reset (FLAG_REMOVED)	332	.reset (FLAG_REMOVED)
256	.any ())	333	.any ())
257	return 0;	334	return 0;
258		335
259	/* This is really a spellbook check - we should in general	336	/* This is really a spellbook check - we should in general
…		…
274	/* 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
275	* if it is valid.	352	* if it is valid.
276	*/	353	*/
277	}	354	}
278		355
279	/* 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,
280	* 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
281	* some items equipped, and we don't want those to merge.	358	* some items equipped, and we don't want those to merge.
282	*/	359	*/
283	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	360	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
284	return 0;	361	return 0;
285		362
286	/* 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
287	* 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
288	* check?	365	* check?
289	*/	366	*/
290	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	367	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
291	return 0;	368	return 0;
292		369
293	switch (ob1->type)	370	switch (ob1->type)
294	{	371	{
295	case SCROLL:	372	case SCROLL:
296	if (ob1->level != ob2->level)	373	if (ob1->level != ob2->level)
297	return 0;	374	return 0;
298	break;	375	break;
299	}	376	}
300		377
301	if (ob1->key_values || ob2->key_values)	378	if (!ob1->kv.empty () || !ob2->kv.empty ())
302	{	379	{
303	/* At least one of these has key_values. */	380	/* At least one of these has key_values. */
304	if ((!ob1->key_values) != (!ob2->key_values))	381	if (ob1->kv.empty () != ob2->kv.empty ())
305	return 0; /* One has fields, but the other one doesn't. */	382	return 0; /* One has fields, but the other one doesn't. */
306		383
307	if (!compare_ob_value_lists (ob1, ob2))	384	if (!compare_ob_value_lists (ob1, ob2))
308	return 0;	385	return 0;
309	}	386	}
…		…
331		408
332	/* Everything passes, must be OK. */	409	/* Everything passes, must be OK. */
333	return 1;	410	return 1;
334	}	411	}
335		412
		413	// find player who can see this object
		414	object *
		415	object::visible_to () const
		416	{
		417	if (client_visible () && !flag [FLAG_REMOVED])
		418	{
		419	// see if we are in a container of sorts
		420	if (env)
		421	{
		422	// the player inventory itself is always visible
		423	if (env->is_player ())
		424	return env;
		425
		426	// else a player could have our env open
		427	object *envest = env->outer_env_or_self ();
		428
		429	// the player itself is always on a map, so we will find him here
		430	// even if our inv is in a player.
		431	if (envest->is_on_map ())
		432	if (object *pl = envest->ms ().player ())
		433	if (pl->container_ () == env)
		434	return pl;
		435	}
		436	else
		437	{
		438	// maybe there is a player standing on the same mapspace
		439	// this will catch the case where "this" is a player
		440	if (object *pl = ms ().player ())
		441	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		442	|| pl->container_ () == this)
		443	return pl;
		444	}
		445	}
		446
		447	return 0;
		448	}
		449
336	// adjust weight per container type ("of holding")	450	// adjust weight per container type ("of holding")
337	static sint32	451	static weight_t
338	weight_adjust (object *op, sint32 weight)	452	weight_adjust_for (object *op, weight_t weight)
339	{	453	{
340	return op->type == CONTAINER	454	if (op->type == CONTAINER)
341	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)	455	weight -= weight * op->stats.Str / 100;
342	: weight;
343	}
344		456
		457	return weight;
		458	}
		459
345	/*	460	/*
346	* adjust_weight(object, weight) adds the specified weight to an object,	461	* subtracts, then adds, the specified weight to an object,
347	* and also updates how much the environment(s) is/are carrying.	462	* and also updates how much the environment(s) is/are carrying.
348	*/	463	*/
349	static void	464	static void
350	adjust_weight (object *op, sint32 weight)	465	adjust_weight (object *op, weight_t sub, weight_t add)
351	{	466	{
352	while (op)	467	while (op)
353	{	468	{
354	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);
355		472
		473	sub = op->carrying;
356	op->carrying += weight;	474	op->carrying = carrying;
		475	add = op->carrying;
		476
		477	if (object *pl = op->visible_to ())
		478	if (pl != op) // player is handled lazily
		479	esrv_update_item (UPD_WEIGHT, pl, op);
		480
357	op = op->env;	481	op = op->env;
358	}	482	}
359	}	483	}
360		484
361	/*	485	/*
…		…
364	* containers are carrying, and sums it up.	488	* containers are carrying, and sums it up.
365	*/	489	*/
366	void	490	void
367	object::update_weight ()	491	object::update_weight ()
368	{	492	{
369	sint32 sum = 0;	493	weight_t sum = 0;
370		494
371	for (object *op = inv; op; op = op->below)	495	for (object *op = inv; op; op = op->below)
372	{	496	{
373	if (op->inv)
374	op->update_weight ();	497	op->update_weight ();
375		498
376	sum += op->total_weight ();	499	sum += weight_adjust_for (this, op->total_weight ());
		500	}
		501
		502	if (sum != carrying)
377	}	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 ());
378		507
379	carrying = weight_adjust (this, sum);	508	carrying = sum;
		509
		510	if (object *pl = visible_to ())
		511	if (pl != this) // player is handled lazily
		512	esrv_update_item (UPD_WEIGHT, pl, this);
		513	}
380	}	514	}
381		515
382	/*	516	/*
383	* Used by: Server DM commands: dumpbelow, dump. Some error messages.	517	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
384	*/	518	*/
…		…
391	object_freezer freezer;	525	object_freezer freezer;
392	op->write (freezer);	526	op->write (freezer);
393	return freezer.as_string ();	527	return freezer.as_string ();
394	}	528	}
395		529
396	/*	530	char *
397	* get_nearest_part(multi-object, object 2) returns the part of the	531	object::as_string ()
398	* multi-object 1 which is closest to the second object.
399	* If it's not a multi-object, it is returned.
400	*/
401	object *
402	get_nearest_part (object *op, const object *pl)
403	{	532	{
404	object *tmp, *closest;	533	return dump_object (this);
405	int last_dist, i;
406
407	if (!op->more)
408	return op;
409
410	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
411	tmp;
412	tmp = tmp->more)
413	if ((i = distance (tmp, pl)) < last_dist)
414	closest = tmp, last_dist = i;
415
416	return closest;
417	}	534	}
418		535
419	/*	536	/*
420	* 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.
421	* VERRRY slow.	538	* VERRRY slow.
…		…
429		546
430	return 0;	547	return 0;
431	}	548	}
432		549
433	/*	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	/*
434	* 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.
435	* Used only by the patch command, but not all that useful.	567	* Used only by the patch command, but not all that useful.
436	* Enables features like "patch <name-of-other-player> food 999"	568	* Enables features like "patch <name-of-other-player> food 999"
437	*/	569	*/
438	object *	570	object *
439	find_object_name (const char *str)	571	find_object_name (const char *str)
440	{	572	{
441	shstr_cmp str_ (str);	573	shstr_cmp str_ (str);
442	object *op;
443		574
		575	if (str_)
444	for_all_objects (op)	576	for_all_objects (op)
445	if (op->name == str_)	577	if (op->name == str_)
446	break;	578	return op;
447		579
448	return op;	580	return 0;
449	}	581	}
450		582
451	/*	583	/*
452	* 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
453	* skill and experience objects.	585	* skill and experience objects.
…		…
466	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 ());
467	return;	599	return;
468	}	600	}
469		601
470	this->owner = owner;	602	this->owner = owner;
471	}
472
473	int
474	object::slottype () const
475	{
476	if (type == SKILL)
477	{
478	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
479	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
480	}
481	else
482	{
483	if (slot [body_combat].info) return slot_combat;
484	if (slot [body_range ].info) return slot_ranged;
485	}
486
487	return slot_none;
488	}
489
490	bool
491	object::change_weapon (object *ob)
492	{
493	if (current_weapon == ob)
494	return true;
495
496	if (chosen_skill)
497	chosen_skill->flag [FLAG_APPLIED] = false;
498
499	current_weapon = ob;
500	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
501
502	if (chosen_skill)
503	chosen_skill->flag [FLAG_APPLIED] = true;
504
505	update_stats ();
506
507	if (ob)
508	{
509	// now check wether any body locations became invalid, in which case
510	// we cannot apply the weapon at the moment.
511	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
512	if (slot[i].used < 0)
513	{
514	current_weapon = chosen_skill = 0;
515	update_stats ();
516
517	new_draw_info_format (NDI_UNIQUE, 0, this,
518	"You try to balance all your items at once, "
519	"but the %s is just too much for your body. "
520	"[You need to unapply some items first.]", &ob->name);
521	return false;
522	}
523
524	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
525	}
526	else
527	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
528
529	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
530	{
531	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
532	&name, ob->debug_desc ());
533	return false;
534	}
535
536	return true;
537	}
538
539	/* Zero the key_values on op, decrementing the shared-string
540	* refcounts and freeing the links.
541	*/
542	static void
543	free_key_values (object *op)
544	{
545	for (key_value *i = op->key_values; i; )
546	{
547	key_value *next = i->next;
548	delete i;
549
550	i = next;
551	}
552
553	op->key_values = 0;
554	}
555
556	object &
557	object::operator =(const object &src)
558	{
559	bool is_freed = flag [FLAG_FREED];
560	bool is_removed = flag [FLAG_REMOVED];
561
562	*(object_copy *)this = src;
563
564	flag [FLAG_FREED] = is_freed;
565	flag [FLAG_REMOVED] = is_removed;
566
567	/* Copy over key_values, if any. */
568	if (src.key_values)
569	{
570	key_value *tail = 0;
571	key_values = 0;
572
573	for (key_value *i = src.key_values; i; i = i->next)
574	{
575	key_value *new_link = new key_value;
576
577	new_link->next = 0;
578	new_link->key = i->key;
579	new_link->value = i->value;
580
581	/* Try and be clever here, too. */
582	if (!key_values)
583	{
584	key_values = new_link;
585	tail = new_link;
586	}
587	else
588	{
589	tail->next = new_link;
590	tail = new_link;
591	}
592	}
593	}
594	}	603	}
595		604
596	/*	605	/*
597	* copy_to first frees everything allocated by the dst object,	606	* copy_to first frees everything allocated by the dst object,
598	* and then copies the contents of itself into the second	607	* and then copies the contents of itself into the second
…		…
602	* will point at garbage.	611	* will point at garbage.
603	*/	612	*/
604	void	613	void
605	object::copy_to (object *dst)	614	object::copy_to (object *dst)
606	{	615	{
607	*dst = *this;	616	dst->remove ();
		617	*(object_copy *)dst = *this;
608		618
609	if (speed < 0)	619	// maybe move to object_copy?
610	dst->speed_left -= rndm ();	620	dst->kv = kv;
611		621
612	dst->set_speed (dst->speed);	622	dst->flag [FLAG_REMOVED] = true;
		623	dst->activate ();
613	}	624	}
614		625
615	void	626	void
616	object::instantiate ()	627	object::instantiate ()
617	{	628	{
618	if (!uuid.seq) // HACK	629	if (!uuid.seq) // HACK
619	uuid = UUID::gen ();	630	uuid = UUID::gen ();
620		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
621	speed_left = -0.1f;	636	speed_left = -1.;
		637
622	/* 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
623	* 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.
624	* 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
625	* values for the body_used info, so when items are created	641	* values for the body_used info, so when items are created
626	* for it, they can be properly equipped.	642	* for it, they can be properly equipped.
627	*/	643	*/
628	for (int i = NUM_BODY_LOCATIONS; i--; )	644	for (int i = NUM_BODY_LOCATIONS; i--; )
629	slot[i].used = slot[i].info;	645	slot[i].used = slot[i].info;
630		646
…		…
634	object *	650	object *
635	object::clone ()	651	object::clone ()
636	{	652	{
637	object *neu = create ();	653	object *neu = create ();
638	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
639	return neu;	661	return neu;
640	}	662	}
641		663
642	/*	664	/*
643	* 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
…		…
645	* 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.
646	*/	668	*/
647	void	669	void
648	update_turn_face (object *op)	670	update_turn_face (object *op)
649	{	671	{
650	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	672	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
651	return;	673	return;
652		674
653	SET_ANIMATION (op, op->direction);	675	SET_ANIMATION (op, op->direction);
654	update_object (op, UP_OBJ_FACE);	676	update_object (op, UP_OBJ_FACE);
655	}	677	}
…		…
660	* 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.
661	*/	683	*/
662	void	684	void
663	object::set_speed (float speed)	685	object::set_speed (float speed)
664	{	686	{
665	if (flag [FLAG_FREED] && speed)
666	{
667	LOG (llevError, "Object %s is freed but has speed.\n", &name);
668	speed = 0;
669	}
670
671	this->speed = speed;	687	this->speed = speed;
672		688
673	if (has_active_speed ())	689	if (has_active_speed ())
674	activate ();	690	activate ();
675	else	691	else
…		…
694	* UP_OBJ_FACE: only the objects face has changed.	710	* UP_OBJ_FACE: only the objects face has changed.
695	*/	711	*/
696	void	712	void
697	update_object (object *op, int action)	713	update_object (object *op, int action)
698	{	714	{
699	if (op == NULL)	715	if (!op)
700	{	716	{
701	/* this should never happen */	717	/* this should never happen */
702	LOG (llevDebug, "update_object() called for NULL object.\n");	718	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
703	return;	719	return;
704	}	720	}
705		721
706	if (op->env)	722	if (!op->is_on_map ())
707	{	723	{
708	/* Animation is currently handled by client, so nothing	724	/* Animation is currently handled by client, so nothing
709	* to do in this case.	725	* to do in this case.
710	*/	726	*/
711	return;	727	return;
712	}	728	}
713
714	/* If the map is saving, don't do anything as everything is
715	* going to get freed anyways.
716	*/
717	if (!op->map || op->map->in_memory == MAP_SAVING)
718	return;
719		729
720	/* make sure the object is within map boundaries */	730	/* make sure the object is within map boundaries */
721	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)
722	{	732	{
723	LOG (llevError, "update_object() called for object out of map!\n");	733	LOG (llevError, "update_object() called for object out of map!\n");
…		…
728	}	738	}
729		739
730	mapspace &m = op->ms ();	740	mapspace &m = op->ms ();
731		741
732	if (!(m.flags_ & P_UPTODATE))	742	if (!(m.flags_ & P_UPTODATE))
733	/* nop */;	743	m.update_up (); // nothing to do except copy up
734	else if (action == UP_OBJ_INSERT)	744	else if (action == UP_OBJ_INSERT)
735	{	745	{
		746	#if 0
736	// this is likely overkill, TODO: revisit (schmorp)	747	// this is likely overkill, TODO: revisit (schmorp)
737	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	748	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
738	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	749	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
739	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	750	|| (op->is_player () && !(m.flags_ & P_PLAYER))
740	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	751	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
741	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	752	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
742	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	753	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
743	|| (m.move_on | op->move_on ) != m.move_on	754	|| (m.move_on | op->move_on ) != m.move_on
744	|| (m.move_off | op->move_off ) != m.move_off	755	|| (m.move_off | op->move_off ) != m.move_off
745	|| (m.move_slow | op->move_slow) != m.move_slow	756	|| (m.move_slow | op->move_slow) != m.move_slow
746	/* 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
747	* to have move_allow right now.	758	* have move_allow right now.
748	*/	759	*/
749	|| ((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
750	|| 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)
751	m.flags_ = 0;	764	m.invalidate ();
		765	#endif
752	}	766	}
753	/* if the object is being removed, we can't make intelligent	767	/* if the object is being removed, we can't make intelligent
754	* decisions, because remove_ob can't really pass the object	768	* decisions, because remove_ob can't really pass the object
755	* that is being removed.	769	* that is being removed.
756	*/	770	*/
757	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	771	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
758	m.flags_ = 0;	772	m.invalidate ();
759	else if (action == UP_OBJ_FACE)	773	else if (action == UP_OBJ_FACE)
760	/* Nothing to do for that case */ ;	774	m.update_up (); // nothing to do for that case, except copy up
761	else	775	else
762	LOG (llevError, "update_object called with invalid action: %d\n", action);	776	LOG (llevError, "update_object called with invalid action: %d\n", action);
763		777
764	if (op->more)	778	if (op->more)
765	update_object (op->more, action);	779	update_object (op->more, action);
766	}	780	}
767		781
768	object::object ()	782	object::object ()
769	{	783	{
770	SET_FLAG (this, FLAG_REMOVED);	784	this->set_flag (FLAG_REMOVED);
771		785
772	expmul = 1.0;	786	//expmul = 1.0; declared const for the time being
773	face = blank_face;	787	face = blank_face;
		788	material = MATERIAL_NULL;
774	}	789	}
775		790
776	object::~object ()	791	object::~object ()
777	{	792	{
778	unlink ();	793	unlink ();
779		794
780	free_key_values (this);	795	kv.clear ();
781	}	796	}
782
783	static int object_count;
784		797
785	void object::link ()	798	void object::link ()
786	{	799	{
787	assert (!index);//D	800	assert (!index);//D
788	uuid = UUID::gen ();	801	uuid = UUID::gen ();
789	count = ++object_count;
790		802
791	refcnt_inc ();	803	refcnt_inc ();
792	objects.insert (this);	804	objects.insert (this);
		805
		806	++create_count;
		807
793	}	808	}
794		809
795	void object::unlink ()	810	void object::unlink ()
796	{	811	{
797	if (!index)	812	if (!index)
798	return;	813	return;
		814
		815	++destroy_count;
799		816
800	objects.erase (this);	817	objects.erase (this);
801	refcnt_dec ();	818	refcnt_dec ();
802	}	819	}
803		820
…		…
807	/* If already on active list, don't do anything */	824	/* If already on active list, don't do anything */
808	if (active)	825	if (active)
809	return;	826	return;
810		827
811	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
812	actives.insert (this);	833	actives.insert (this);
		834	}
813	}	835	}
814		836
815	void	837	void
816	object::activate_recursive ()	838	object::activate_recursive ()
817	{	839	{
…		…
866	object::destroy_inv (bool drop_to_ground)	888	object::destroy_inv (bool drop_to_ground)
867	{	889	{
868	// need to check first, because the checks below might segfault	890	// need to check first, because the checks below might segfault
869	// as we might be on an invalid mapspace and crossfire code	891	// as we might be on an invalid mapspace and crossfire code
870	// is too buggy to ensure that the inventory is empty.	892	// is too buggy to ensure that the inventory is empty.
871	// corollary: if you create arrows etc. with stuff in tis inventory,	893	// corollary: if you create arrows etc. with stuff in its inventory,
872	// cf will crash below with off-map x and y	894	// cf will crash below with off-map x and y
873	if (!inv)	895	if (!inv)
874	return;	896	return;
875		897
876	/* Only if the space blocks everything do we not process -	898	/* Only if the space blocks everything do we not process -
877	* if some form of movement is allowed, let objects	899	* if some form of movement is allowed, let objects
878	* drop on that space.	900	* drop on that space.
879	*/	901	*/
880	if (!drop_to_ground	902	if (!drop_to_ground
881	|| !map	903	|| !map
882	|| map->in_memory != MAP_ACTIVE	904	|| !map->linkable ()
883	|| map->nodrop	905	|| map->no_drop
884	|| ms ().move_block == MOVE_ALL)	906	|| ms ().move_block == MOVE_ALL)
885	{	907	{
886	while (inv)	908	while (inv)
887	{
888	inv->destroy_inv (drop_to_ground);
889	inv->destroy ();	909	inv->destroy ();
890	}
891	}	910	}
892	else	911	else
893	{ /* Put objects in inventory onto this space */	912	{ /* Put objects in inventory onto this space */
894	while (inv)	913	while (inv)
895	{	914	{
…		…
906	map->insert (op, x, y);	925	map->insert (op, x, y);
907	}	926	}
908	}	927	}
909	}	928	}
910		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 *
911	object *object::create ()	967	object::create ()
912	{	968	{
913	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
914	op->link ();	991	op->link ();
		992
915	return op;	993	return op;
916	}	994	}
917		995
918	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
919	object::do_destroy ()	1012	object::do_destroy ()
920	{	1013	{
921	attachable::do_destroy ();
922
923	if (flag [FLAG_IS_LINKED])	1014	if (flag [FLAG_IS_LINKED])
924	remove_button_link (this);	1015	remove_link ();
925		1016
926	if (flag [FLAG_FRIENDLY])	1017	if (flag [FLAG_FRIENDLY])
927	remove_friendly_object (this);	1018	remove_friendly_object (this);
928		1019
929	if (!flag [FLAG_REMOVED])
930	remove ();	1020	remove ();
931		1021
932	destroy_inv (true);	1022	attachable::do_destroy ();
933		1023
934	deactivate ();	1024	deactivate ();
935	unlink ();	1025	unlink ();
936		1026
937	flag [FLAG_FREED] = 1;	1027	flag [FLAG_FREED] = 1;
938		1028
939	// hack to ensure that freed objects still have a valid map	1029	// hack to ensure that freed objects still have a valid map
940	{
941	static maptile *freed_map; // freed objects are moved here to avoid crashes
942
943	if (!freed_map)
944	{
945	freed_map = new maptile;
946
947	freed_map->path = "<freed objects map>";
948	freed_map->name = "/internal/freed_objects_map";
949	freed_map->width = 3;
950	freed_map->height = 3;
951	freed_map->nodrop = 1;
952
953	freed_map->alloc ();
954	freed_map->in_memory = MAP_ACTIVE;
955	}
956
957	map = freed_map;	1030	map = &freed_map;
958	x = 1;	1031	x = 1;
959	y = 1;	1032	y = 1;
960	}
961		1033
962	if (more)	1034	if (more)
963	{	1035	{
964	more->destroy ();	1036	more->destroy ();
965	more = 0;	1037	more = 0;
…		…
973	attacked_by = 0;	1045	attacked_by = 0;
974	current_weapon = 0;	1046	current_weapon = 0;
975	}	1047	}
976		1048
977	void	1049	void
978	object::destroy (bool destroy_inventory)	1050	object::destroy ()
979	{	1051	{
980	if (destroyed ())	1052	if (destroyed ())
981	return;	1053	return;
982		1054
983	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
984	destroy_inv (false);	1062	destroy_inv_fast ();
985		1063
986	if (is_head ())	1064	if (is_head ())
987	if (sound_destroy)	1065	if (sound_destroy)
988	play_sound (sound_destroy);	1066	play_sound (sound_destroy);
989	else if (flag [FLAG_MONSTER])	1067	else if (flag [FLAG_MONSTER])
…		…
1000	* the previous environment.	1078	* the previous environment.
1001	*/	1079	*/
1002	void	1080	void
1003	object::do_remove ()	1081	object::do_remove ()
1004	{	1082	{
1005	object *tmp, *last = 0;	1083	if (flag [FLAG_REMOVED])
1006	object *otmp;
1007
1008	if (QUERY_FLAG (this, FLAG_REMOVED))
1009	return;	1084	return;
1010		1085
1011	SET_FLAG (this, FLAG_REMOVED);
1012	INVOKE_OBJECT (REMOVE, this);	1086	INVOKE_OBJECT (REMOVE, this);
		1087
		1088	flag [FLAG_REMOVED] = true;
1013		1089
1014	if (more)	1090	if (more)
1015	more->remove ();	1091	more->remove ();
1016		1092
1017	/*	1093	/*
1018	* In this case, the object to be removed is in someones	1094	* In this case, the object to be removed is in someones
1019	* inventory.	1095	* inventory.
1020	*/	1096	*/
1021	if (env)	1097	if (env)
1022	{	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
1023	adjust_weight (env, -total_weight ());	1104	adjust_weight (env, total_weight (), 0);
1024		1105
1025	*(above ? &above->below : &env->inv) = below;	1106	object *pl = in_player ();
1026
1027	if (below)
1028	below->above = above;
1029		1107
1030	/* we set up values so that it could be inserted into	1108	/* we set up values so that it could be inserted into
1031	* 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
1032	* to the caller to decide what we want to do.	1110	* to the caller to decide what we want to do.
1033	*/	1111	*/
1034	map = env->map;	1112	map = env->map;
1035	x = env->x;	1113	x = env->x;
1036	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
1037	above = 0;	1120	above = 0;
1038	below = 0;	1121	below = 0;
1039	env = 0;	1122	env = 0;
1040		1123
1041	/* NO_FIX_PLAYER is set when a great many changes are being	1124	if (pl && pl->is_player ())
1042	* made to players inventory. If set, avoiding the call
1043	* to save cpu time.
1044	*/	1125	{
1045	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1126	if (expect_false (pl->contr->combat_ob == this))
1046	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	}
1047	}	1145	}
1048	else if (map)	1146	else if (map)
1049	{	1147	{
1050	if (type == PLAYER)
1051	{
1052	// leaving a spot always closes any open container on the ground
1053	if (container && !container->env)
1054	// this causes spurious floorbox updates, but it ensures
1055	// that the CLOSE event is being sent.
1056	close_container ();
1057
1058	--map->players;
1059	map->touch ();
1060	}
1061
1062	map->dirty = true;	1148	map->dirty = true;
1063	mapspace &ms = this->ms ();	1149	mapspace &ms = this->ms ();
1064		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
1065	/* link the object above us */	1176	/* link the object above us */
1066	if (above)	1177	// re-link, make sure compiler can easily use cmove
1067	above->below = below;	1178	*(above ? &above->below : &ms.top) = below;
1068	else	1179	*(below ? &below->above : &ms.bot) = above;
1069	ms.top = below; /* we were top, set new top */
1070
1071	/* Relink the object below us, if there is one */
1072	if (below)
1073	below->above = above;
1074	else
1075	{
1076	/* Nothing below, which means we need to relink map object for this space
1077	* use translated coordinates in case some oddness with map tiling is
1078	* evident
1079	*/
1080	if (GET_MAP_OB (map, x, y) != this)
1081	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 ());
1082
1083	ms.bot = above; /* goes on above it. */
1084	}
1085		1180
1086	above = 0;	1181	above = 0;
1087	below = 0;	1182	below = 0;
1088		1183
1089	if (map->in_memory == MAP_SAVING)	1184	ms.invalidate ();
1090	return;
1091		1185
1092	int check_walk_off = !flag [FLAG_NO_APPLY];	1186	int check_walk_off = !flag [FLAG_NO_APPLY];
1093		1187
1094	if (object *pl = ms.player ())	1188	if (object *pl = ms.player ())
1095	{	1189	{
1096	if (pl->container == this)	1190	if (pl->container_ () == this)
1097	/* If a container that the player is currently using somehow gets	1191	/* If a container that the player is currently using somehow gets
1098	* removed (most likely destroyed), update the player view	1192	* removed (most likely destroyed), update the player view
1099	* appropriately.	1193	* appropriately.
1100	*/	1194	*/
1101	pl->close_container ();	1195	pl->close_container ();
1102		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)
1103	pl->contr->ns->floorbox_update ();	1201	pl->contr->ns->floorbox_update ();
1104	}	1202	}
1105		1203
		1204	if (check_walk_off)
1106	for (tmp = ms.bot; tmp; tmp = tmp->above)	1205	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1107	{	1206	{
		1207	above = tmp->above;
		1208
1108	/* 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
1109	* being removed.	1210	* being removed.
1110	*/	1211	*/
1111		1212
1112	/* See if object moving off should effect something */	1213	/* See if object moving off should effect something */
1113	if (check_walk_off
1114	&& ((move_type & tmp->move_off)	1214	if ((move_type & tmp->move_off)
1115	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1215	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1116	{
1117	move_apply (tmp, this, 0);	1216	move_apply (tmp, this, 0);
1118
1119	if (destroyed ())
1120	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1121	}	1217	}
1122		1218
1123	last = tmp;	1219	if (affects_los ())
1124	}
1125
1126	/* last == NULL if there are no objects on this space */
1127	//TODO: this makes little sense, why only update the topmost object?
1128	if (!last)
1129	map->at (x, y).flags_ = 0;
1130	else
1131	update_object (last, UP_OBJ_REMOVE);
1132
1133	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1134	update_all_los (map, x, y);	1220	update_all_los (map, x, y);
1135	}	1221	}
1136	}	1222	}
1137		1223
1138	/*	1224	/*
…		…
1152	if (!top)	1238	if (!top)
1153	for (top = op; top && top->above; top = top->above)	1239	for (top = op; top && top->above; top = top->above)
1154	;	1240	;
1155		1241
1156	for (; top; top = top->below)	1242	for (; top; top = top->below)
1157	{
1158	if (top == op)
1159	continue;
1160
1161	if (object::can_merge (op, top))	1243	if (object::can_merge (op, top))
1162	{	1244	{
1163	top->nrof += op->nrof;	1245	top->nrof += op->nrof;
1164		1246
1165	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1247	if (object *pl = top->visible_to ())
1166	op->weight = 0; /* Don't want any adjustements now */	1248	esrv_update_item (UPD_NROF, pl, top);
		1249
		1250	op->weight = 0; // cancel the addition above
		1251	op->carrying = 0; // must be 0 already
		1252
1167	op->destroy ();	1253	op->destroy ();
		1254
1168	return top;	1255	return top;
1169	}	1256	}
1170	}
1171		1257
1172	return 0;	1258	return 0;
1173	}	1259	}
1174		1260
1175	void	1261	void
…		…
1180		1266
1181	object *prev = this;	1267	object *prev = this;
1182		1268
1183	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1269	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1184	{	1270	{
1185	object *op = arch_to_object (at);	1271	object *op = at->instance ();
1186		1272
1187	op->name = name;	1273	op->name = name;
1188	op->name_pl = name_pl;	1274	op->name_pl = name_pl;
1189	op->title = title;	1275	op->title = title;
1190		1276
…		…
1200	* job preparing multi-part monsters.	1286	* job preparing multi-part monsters.
1201	*/	1287	*/
1202	object *	1288	object *
1203	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)
1204	{	1290	{
		1291	op->remove ();
		1292
1205	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1293	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1206	{	1294	{
1207	tmp->x = x + tmp->arch->x;	1295	tmp->x = x + tmp->arch->x;
1208	tmp->y = y + tmp->arch->y;	1296	tmp->y = y + tmp->arch->y;
1209	}	1297	}
…		…
1226	* 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
1227	* to be set if special handling is needed.	1315	* to be set if special handling is needed.
1228	*	1316	*
1229	* Return value:	1317	* Return value:
1230	* new object if 'op' was merged with other object	1318	* new object if 'op' was merged with other object
1231	* NULL if 'op' was destroyed	1319	* NULL if there was an error (destroyed, blocked etc.)
1232	* just 'op' otherwise	1320	* just 'op' otherwise
1233	*/	1321	*/
1234	object *	1322	object *
1235	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)
1236	{	1324	{
1237	assert (!op->flag [FLAG_FREED]);
1238
1239	object *top, *floor = NULL;
1240
1241	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
1242		1331
1243	/* Ideally, the caller figures this out. However, it complicates a lot	1332	/* Ideally, the caller figures this out. However, it complicates a lot
1244	* 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
1245	* need extra work	1334	* need extra work
1246	*/	1335	*/
		1336	maptile *newmap = m;
1247	if (!xy_normalise (m, op->x, op->y))	1337	if (!xy_normalise (newmap, op->x, op->y))
1248	{	1338	{
1249	op->destroy ();	1339	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1250	return 0;	1340	return 0;
1251	}	1341	}
1252		1342
1253	if (object *more = op->more)	1343	if (object *more = op->more)
1254	if (!insert_ob_in_map (more, m, originator, flag))	1344	if (!insert_ob_in_map (more, m, originator, flag))
1255	return 0;	1345	return 0;
1256		1346
1257	CLEAR_FLAG (op, FLAG_REMOVED);	1347	op->flag [FLAG_REMOVED] = false;
1258		1348	op->env = 0;
1259	op->map = m;	1349	op->map = newmap;
		1350
1260	mapspace &ms = op->ms ();	1351	mapspace &ms = op->ms ();
1261		1352
1262	/* this has to be done after we translate the coordinates.	1353	/* this has to be done after we translate the coordinates.
1263	*/	1354	*/
1264	if (op->nrof && !(flag & INS_NO_MERGE))	1355	if (op->nrof && !(flag & INS_NO_MERGE))
1265	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1356	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1266	if (object::can_merge (op, tmp))	1357	if (object::can_merge (op, tmp))
1267	{	1358	{
		1359	// TODO: we actually want to update tmp, not op,
		1360	// but some caller surely breaks when we return tmp
		1361	// from here :/
1268	op->nrof += tmp->nrof;	1362	op->nrof += tmp->nrof;
1269	tmp->destroy (1);	1363	tmp->destroy ();
1270	}	1364	}
1271		1365
1272	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 */
1273	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1367	op->clr_flag (FLAG_INV_LOCKED);
1274		1368
1275	if (!QUERY_FLAG (op, FLAG_ALIVE))	1369	if (!op->flag [FLAG_ALIVE])
1276	CLEAR_FLAG (op, FLAG_NO_STEAL);	1370	op->clr_flag (FLAG_NO_STEAL);
1277		1371
1278	if (flag & INS_BELOW_ORIGINATOR)	1372	if (flag & INS_BELOW_ORIGINATOR)
1279	{	1373	{
1280	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)
1281	{	1375	{
1282	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");
1283	abort ();	1377	abort ();
1284	}	1378	}
1285		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
1286	op->above = originator;	1387	op->above = originator;
1287	op->below = originator->below;	1388	op->below = originator->below;
1288
1289	if (op->below)
1290	op->below->above = op;
1291	else
1292	ms.bot = op;
1293
1294	/* since *below* originator, no need to update top */
1295	originator->below = op;	1389	originator->below = op;
		1390
		1391	*(op->below ? &op->below->above : &ms.bot) = op;
1296	}	1392	}
1297	else	1393	else
1298	{	1394	{
1299	top = ms.bot;	1395	object *floor = 0;
		1396	object *top = ms.top;
1300		1397
1301	/* If there are other objects, then */	1398	/* If there are other objects, then */
1302	if (top)	1399	if (top)
1303	{	1400	{
1304	object *last = 0;
1305
1306	/*	1401	/*
1307	* 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.
1308	* We've already dealt with merging if appropriate.	1403	* We've already dealt with merging if appropriate.
1309	* 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
1310	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1405	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1313	* 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
1314	* 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
1315	* 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
1316	* that flying non pickable objects are spell objects.	1411	* that flying non pickable objects are spell objects.
1317	*/	1412	*/
1318	for (top = ms.bot; top; top = top->above)	1413	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1319	{	1414	{
1320	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])
1321	floor = top;	1416	floor = tmp;
1322		1417
1323	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])
1324	{	1419	{
1325	/* We insert above top, so we want this object below this */	1420	/* We insert above top, so we want this object below this */
1326	top = top->below;	1421	top = tmp->below;
1327	break;	1422	break;
1328	}	1423	}
1329		1424
1330	last = top;	1425	top = tmp;
1331	}	1426	}
1332
1333	/* Don't want top to be NULL, so set it to the last valid object */
1334	top = last;
1335		1427
1336	/* We let update_position deal with figuring out what the space	1428	/* We let update_position deal with figuring out what the space
1337	* looks like instead of lots of conditions here.	1429	* looks like instead of lots of conditions here.
1338	* makes things faster, and effectively the same result.	1430	* makes things faster, and effectively the same result.
1339	*/	1431	*/
…		…
1346	*/	1438	*/
1347	if (!(flag & INS_ON_TOP)	1439	if (!(flag & INS_ON_TOP)
1348	&& ms.flags () & P_BLOCKSVIEW	1440	&& ms.flags () & P_BLOCKSVIEW
1349	&& (op->face && !faces [op->face].visibility))	1441	&& (op->face && !faces [op->face].visibility))
1350	{	1442	{
		1443	object *last;
		1444
1351	for (last = top; last != floor; last = last->below)	1445	for (last = top; last != floor; last = last->below)
1352	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1446	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1353	break;	1447	break;
1354		1448
1355	/* Check to see if we found the object that blocks view,	1449	/* Check to see if we found the object that blocks view,
1356	* 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
1357	* we can get inserted below this one, which requires we	1451	* we can get inserted below this one, which requires we
…		…
1363	} /* If objects on this space */	1457	} /* If objects on this space */
1364		1458
1365	if (flag & INS_ABOVE_FLOOR_ONLY)	1459	if (flag & INS_ABOVE_FLOOR_ONLY)
1366	top = floor;	1460	top = floor;
1367		1461
1368	/* 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
1369	*/
1370
1371	/* First object on this space */
1372	if (!top)	1463	if (!top)
1373	{	1464	{
		1465	op->below = 0;
1374	op->above = ms.bot;	1466	op->above = ms.bot;
1375
1376	if (op->above)
1377	op->above->below = op;
1378
1379	op->below = 0;
1380	ms.bot = op;	1467	ms.bot = op;
		1468
		1469	*(op->above ? &op->above->below : &ms.top) = op;
1381	}	1470	}
1382	else	1471	else
1383	{ /* get inserted into the stack above top */	1472	{
1384	op->above = top->above;	1473	op->above = top->above;
1385
1386	if (op->above)
1387	op->above->below = op;	1474	top->above = op;
1388		1475
1389	op->below = top;	1476	op->below = top;
1390	top->above = op;	1477	*(op->above ? &op->above->below : &ms.top) = op;
1391	}	1478	}
		1479	}
1392		1480
1393	if (!op->above)	1481	if (op->is_player ())
1394	ms.top = op;
1395	} /* else not INS_BELOW_ORIGINATOR */
1396
1397	if (op->type == PLAYER)
1398	{	1482	{
1399	op->contr->do_los = 1;	1483	op->contr->do_los = 1;
1400	++op->map->players;	1484	++op->map->players;
1401	op->map->touch ();	1485	op->map->touch ();
1402	}	1486	}
1403		1487
1404	op->map->dirty = true;	1488	op->map->dirty = true;
1405		1489
1406	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)
1407	pl->contr->ns->floorbox_update ();	1495	pl->contr->ns->floorbox_update ();
1408		1496
1409	/* If this object glows, it may affect lighting conditions that are	1497	/* If this object glows, it may affect lighting conditions that are
1410	* 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
1411	* 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
1412	* on the map will get recalculated. The players could very well	1500	* on the map will get recalculated. The players could very well
1413	* 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 -
1414	* this should get redone to only look for players within range,	1502	* this should get redone to only look for players within range,
1415	* or just updating the P_UPTODATE for spaces within this area	1503	* or just updating the P_UPTODATE for spaces within this area
1416	* of effect may be sufficient.	1504	* of effect may be sufficient.
1417	*/	1505	*/
1418	if (op->map->darkness && (op->glow_radius != 0))	1506	if (op->affects_los ())
		1507	{
		1508	op->ms ().invalidate ();
1419	update_all_los (op->map, op->x, op->y);	1509	update_all_los (op->map, op->x, op->y);
		1510	}
1420		1511
1421	/* updates flags (blocked, alive, no magic, etc) for this map space */	1512	/* updates flags (blocked, alive, no magic, etc) for this map space */
1422	update_object (op, UP_OBJ_INSERT);	1513	update_object (op, UP_OBJ_INSERT);
1423		1514
1424	INVOKE_OBJECT (INSERT, op);	1515	INVOKE_OBJECT (INSERT, op);
…		…
1431	* blocked() and wall() work properly), and these flags are updated by	1522	* blocked() and wall() work properly), and these flags are updated by
1432	* update_object().	1523	* update_object().
1433	*/	1524	*/
1434		1525
1435	/* 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 */
1436	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1527	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1437	{	1528	{
1438	if (check_move_on (op, originator))	1529	if (check_move_on (op, originator, flag))
1439	return 0;	1530	return 0;
1440		1531
1441	/* 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
1442	* walk on's.	1533	* walk on's.
1443	*/	1534	*/
1444	for (object *tmp = op->more; tmp; tmp = tmp->more)	1535	for (object *tmp = op->more; tmp; tmp = tmp->more)
1445	if (check_move_on (tmp, originator))	1536	if (check_move_on (tmp, originator, flag))
1446	return 0;	1537	return 0;
1447	}	1538	}
1448		1539
1449	return op;	1540	return op;
1450	}	1541	}
…		…
1452	/* this function inserts an object in the map, but if it	1543	/* this function inserts an object in the map, but if it
1453	* 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.
1454	* 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.
1455	*/	1546	*/
1456	void	1547	void
1457	replace_insert_ob_in_map (const char *arch_string, object *op)	1548	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1458	{	1549	{
1459	/* first search for itself and remove any old instances */	1550	/* first search for itself and remove any old instances */
1460		1551
1461	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)	1552	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1462	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1553	if (tmp->arch->archname == archname) /* same archetype */
1463	tmp->destroy (1);	1554	tmp->destroy ();
1464		1555
1465	object *tmp = arch_to_object (archetype::find (arch_string));	1556	object *tmp = archetype::find (archname)->instance ();
1466		1557
1467	tmp->x = op->x;	1558	tmp->x = op->x;
1468	tmp->y = op->y;	1559	tmp->y = op->y;
1469		1560
1470	insert_ob_in_map (tmp, op->map, op, 0);	1561	insert_ob_in_map (tmp, op->map, op, 0);
…		…
1477	return where->env->insert (this);	1568	return where->env->insert (this);
1478	else	1569	else
1479	return where->map->insert (this, where->x, where->y, originator, flags);	1570	return where->map->insert (this, where->x, where->y, originator, flags);
1480	}	1571	}
1481		1572
1482	// find player who can see this object	1573	// check whether we can put this into the map, respect max_volume, max_items
1483	static object *	1574	bool
1484	visible_to (object *op)	1575	object::can_drop_at (maptile *m, int x, int y, object *originator)
1485	{	1576	{
1486	if (!op->flag [FLAG_REMOVED])	1577	mapspace &ms = m->at (x, y);
1487	{
1488	// see if we are in a container of sorts
1489	if (object *env = op->env)
1490	{
1491	// the player inventory itself is always visible
1492	if (env->type == PLAYER)
1493	return env;
1494		1578
1495	// else a player could have our env open	1579	int items = ms.items ();
1496	env = env->outer_env ();
1497		1580
1498	// the player itself is always on a map, so we will find him here	1581	if (!items // testing !items ensures we can drop at least one item
1499	// even if our inv is in a player.	1582	|| (items < m->max_items
1500	if (env->is_on_map ())	1583	&& ms.volume () < m->max_volume))
1501	if (object *pl = env->ms ().player ())	1584	return true;
1502	if (pl->container == op->env)
1503	return pl;
1504	}
1505	else
1506	{
1507	// maybe there is a player standing on the same mapspace
1508	if (object *pl = op->ms ().player ())
1509	return pl;
1510	}
1511	}
1512		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
1513	return 0;	1592	return false;
1514	}	1593	}
1515		1594
1516	/*	1595	/*
1517	* decrease(object, number) decreases a specified number from	1596	* decrease(object, number) decreases a specified number from
1518	* 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
…		…
1521	* Return value: 'op' if something is left, NULL if the amount reached 0	1600	* Return value: 'op' if something is left, NULL if the amount reached 0
1522	*/	1601	*/
1523	bool	1602	bool
1524	object::decrease (sint32 nr)	1603	object::decrease (sint32 nr)
1525	{	1604	{
		1605	if (!nr)
		1606	return true;
		1607
1526	nr = min (nr, nrof);	1608	nr = min (nr, nrof);
1527		1609
1528	if (!nr)	1610	if (nrof > nr)
1529	return 1;	1611	{
		1612	weight_t oweight = total_weight ();
1530		1613
1531	nrof -= nr;	1614	nrof -= nr;
1532		1615
1533	object *visible = visible_to (this);	1616	if (object *pl = visible_to ())
		1617	esrv_update_item (UPD_NROF, pl, this);
1534		1618
1535	if (nrof)	1619	adjust_weight (env, oweight, total_weight ());
1536	{
1537	adjust_weight (env, -weight * nr); // carrying == 0
1538		1620
1539	if (visible)
1540	esrv_send_item (visible, this);
1541
1542	return 1;	1621	return true;
1543	}	1622	}
1544	else	1623	else
1545	{	1624	{
1546	if (visible)
1547	esrv_del_item (visible->contr, count);
1548
1549	this->destroy (1);	1625	destroy ();
1550	return 0;	1626	return false;
1551	}	1627	}
1552	}	1628	}
1553		1629
1554	/*	1630	/*
1555	* split(ob,nr) splits up ob into two parts. The part which	1631	* split(ob,nr) splits up ob into two parts. The part which
…		…
1558	* On failure, NULL is returned.	1634	* On failure, NULL is returned.
1559	*/	1635	*/
1560	object *	1636	object *
1561	object::split (sint32 nr)	1637	object::split (sint32 nr)
1562	{	1638	{
		1639	int have = number_of ();
		1640
1563	if (nrof < nr)	1641	if (have < nr)
1564	return 0;	1642	return 0;
1565	else if (nrof == nr)	1643	else if (have == nr)
1566	{	1644	{
1567	remove ();	1645	remove ();
1568	return this;	1646	return this;
1569	}	1647	}
1570	else	1648	else
1571	{	1649	{
1572	decrease (nr);	1650	decrease (nr);
1573		1651
1574	object *op = object_create_clone (this);	1652	object *op = deep_clone ();
1575	op->nrof = nr;	1653	op->nrof = nr;
1576	return op;	1654	return op;
1577	}	1655	}
1578	}	1656	}
1579		1657
…		…
1621	if (op->nrof)	1699	if (op->nrof)
1622	for (object *tmp = inv; tmp; tmp = tmp->below)	1700	for (object *tmp = inv; tmp; tmp = tmp->below)
1623	if (object::can_merge (tmp, op))	1701	if (object::can_merge (tmp, op))
1624	{	1702	{
1625	/* return the original object and remove inserted object	1703	/* return the original object and remove inserted object
1626	(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
1627	tmp->nrof += op->nrof;	1709	tmp->nrof += op->nrof;
1628	adjust_weight (this, op->total_weight ());
1629		1710
		1711	if (object *pl = tmp->visible_to ())
		1712	esrv_update_item (UPD_NROF, pl, tmp);
		1713
		1714	adjust_weight (this, oweight, weight_t (tmp->weight) * tmp->nrof);
		1715
1630	op->destroy (1);	1716	op->destroy ();
1631	op = tmp;	1717	op = tmp;
1632	goto inserted;	1718	goto inserted;
1633	}	1719	}
1634		1720
1635	op->owner = 0; // it's his/hers now. period.	1721	op->owner = 0; // it's his/hers now. period.
…		…
1646		1732
1647	inv = op;	1733	inv = op;
1648		1734
1649	op->flag [FLAG_REMOVED] = 0;	1735	op->flag [FLAG_REMOVED] = 0;
1650		1736
		1737	if (object *pl = op->visible_to ())
		1738	esrv_send_item (pl, op);
		1739
1651	adjust_weight (this, op->total_weight ());	1740	adjust_weight (this, 0, op->total_weight ());
1652		1741
1653	inserted:	1742	inserted:
1654	/* 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 */
1655	if (op->glow_radius && map && map->darkness)	1744	if (op->glow_radius && is_on_map ())
		1745	{
		1746	update_stats ();
1656	update_all_los (map, x, y);	1747	update_all_los (map, x, y);
1657		1748	}
1658	if (object *otmp = in_player ())	1749	else if (is_player ())
1659	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1750	// if this is a player's inventory, update stats
1660	otmp->update_stats ();	1751	contr->queue_stats_update ();
1661		1752
1662	INVOKE_OBJECT (INSERT, this);	1753	INVOKE_OBJECT (INSERT, this);
1663		1754
1664	return op;	1755	return op;
1665	}	1756	}
…		…
1683	* 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
1684	* 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
1685	* on top.	1776	* on top.
1686	*/	1777	*/
1687	int	1778	int
1688	check_move_on (object *op, object *originator)	1779	check_move_on (object *op, object *originator, int flags)
1689	{	1780	{
		1781	if (op->flag [FLAG_NO_APPLY])
		1782	return 0;
		1783
1690	object *tmp;	1784	object *tmp;
1691	maptile *m = op->map;	1785	maptile *m = op->map;
1692	int x = op->x, y = op->y;	1786	int x = op->x, y = op->y;
1693		1787
1694	MoveType move_on, move_slow, move_block;	1788	mapspace &ms = m->at (x, y);
1695		1789
1696	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1790	ms.update ();
1697	return 0;
1698		1791
1699	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1792	MoveType move_on = ms.move_on;
1700	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1793	MoveType move_slow = ms.move_slow;
1701	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1794	MoveType move_block = ms.move_block;
1702		1795
1703	/* 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,
1704	* 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
1705	* 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
1706	* as walking.	1799	* as walking.
…		…
1717	return 0;	1810	return 0;
1718		1811
1719	/* The objects have to be checked from top to bottom.	1812	/* The objects have to be checked from top to bottom.
1720	* Hence, we first go to the top:	1813	* Hence, we first go to the top:
1721	*/	1814	*/
1722		1815	for (object *next, *tmp = ms.top; tmp; tmp = next)
1723	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1724	{
1725	/* Trim the search when we find the first other spell effect
1726	* this helps performance so that if a space has 50 spell objects,
1727	* we don't need to check all of them.
1728	*/
1729	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1730	break;
1731	}	1816	{
		1817	next = tmp->below;
1732		1818
1733	for (; tmp; tmp = tmp->below)
1734	{
1735	if (tmp == op)	1819	if (tmp == op)
1736	continue; /* Can't apply yourself */	1820	continue; /* Can't apply yourself */
1737		1821
1738	/* 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.
1739	* Second check makes sure that the movement types not being slowed	1823	* Second check makes sure that the movement types not being slowed
1740	* (~slow_move) is not blocked on this space - just because the	1824	* (~slow_move) is not blocked on this space - just because the
1741	* 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
1742	* 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.
1743	*/	1827	*/
1744	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1828	if (!op->flag [FLAG_WIZPASS])
1745	{	1829	{
1746	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1830	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1747	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1831	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1748	{	1832	{
1749
1750	float
1751	diff = tmp->move_slow_penalty * fabs (op->speed);	1833	float diff = tmp->move_slow_penalty * fabs (op->speed);
1752		1834
1753	if (op->type == PLAYER)	1835	if (op->is_player ())
1754	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)) ||
1755	(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)))
1756	diff /= 4.0;	1838	diff /= 4.0;
1757		1839
1758	op->speed_left -= diff;	1840	op->speed_left -= diff;
1759	}	1841	}
1760	}	1842	}
1761		1843
1762	/* Basically same logic as above, except now for actual apply. */	1844	/* Basically same logic as above, except now for actual apply. */
1763	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1845	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1764	((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))
1765	{	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
1766	move_apply (tmp, op, originator);	1853	move_apply (tmp, op, originator);
1767		1854
1768	if (op->destroyed ())	1855	if (op->destroyed ())
1769	return 1;	1856	return 1;
1770		1857
…		…
1793	LOG (llevError, "Present_arch called outside map.\n");	1880	LOG (llevError, "Present_arch called outside map.\n");
1794	return NULL;	1881	return NULL;
1795	}	1882	}
1796		1883
1797	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)
1798	if (tmp->arch == at)	1885	if (tmp->arch->archname == at->archname)
1799	return tmp;	1886	return tmp;
1800		1887
1801	return NULL;	1888	return NULL;
1802	}	1889	}
1803		1890
…		…
1867	* The first matching object is returned, or NULL if none.	1954	* The first matching object is returned, or NULL if none.
1868	*/	1955	*/
1869	object *	1956	object *
1870	present_arch_in_ob (const archetype *at, const object *op)	1957	present_arch_in_ob (const archetype *at, const object *op)
1871	{	1958	{
1872	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1959	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1873	if (tmp->arch == at)	1960	if (tmp->arch->archname == at->archname)
1874	return tmp;	1961	return tmp;
1875		1962
1876	return NULL;	1963	return NULL;
1877	}	1964	}
1878		1965
…		…
1882	void	1969	void
1883	flag_inv (object *op, int flag)	1970	flag_inv (object *op, int flag)
1884	{	1971	{
1885	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1972	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1886	{	1973	{
1887	SET_FLAG (tmp, flag);	1974	tmp->set_flag (flag);
1888	flag_inv (tmp, flag);	1975	flag_inv (tmp, flag);
1889	}	1976	}
1890	}	1977	}
1891		1978
1892	/*	1979	/*
…		…
1895	void	1982	void
1896	unflag_inv (object *op, int flag)	1983	unflag_inv (object *op, int flag)
1897	{	1984	{
1898	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1985	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1899	{	1986	{
1900	CLEAR_FLAG (tmp, flag);	1987	tmp->clr_flag (flag);
1901	unflag_inv (tmp, flag);	1988	unflag_inv (tmp, flag);
1902	}	1989	}
1903	}	1990	}
1904		1991
1905	/*	1992	/*
…		…
1922	*/	2009	*/
1923	int	2010	int
1924	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)
1925	{	2012	{
1926	int altern[SIZEOFFREE];	2013	int altern[SIZEOFFREE];
1927	int index = 0, flag;	2014	int index = 0;
1928		2015
1929	for (int i = start; i < stop; i++)	2016	for (int i = start; i < stop; i++)
1930	{	2017	{
1931	mapxy pos (m, x, y); pos.move (i);	2018	mapxy pos (m, x, y); pos.move (i);
1932		2019
…		…
1966	* head of the object should correspond for the entire object.	2053	* head of the object should correspond for the entire object.
1967	*/	2054	*/
1968	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	2055	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
1969	continue;	2056	continue;
1970		2057
1971	if (ob->blocked (m, pos.x, pos.y))	2058	if (ob->blocked (pos.m, pos.x, pos.y))
1972	continue;	2059	continue;
1973		2060
1974	altern [index++] = i;	2061	altern [index++] = i;
1975	}	2062	}
1976		2063
…		…
2044	* there is capable of.	2131	* there is capable of.
2045	*/	2132	*/
2046	int	2133	int
2047	find_dir (maptile *m, int x, int y, object *exclude)	2134	find_dir (maptile *m, int x, int y, object *exclude)
2048	{	2135	{
2049	int i, max = SIZEOFFREE, mflags;	2136	int max = SIZEOFFREE;
2050
2051	sint16 nx, ny;
2052	object *tmp;
2053	maptile *mp;
2054
2055	MoveType blocked, move_type;	2137	MoveType move_type;
2056		2138
2057	if (exclude && exclude->head_ () != exclude)	2139	if (exclude && exclude->head_ () != exclude)
2058	{	2140	{
2059	exclude = exclude->head;	2141	exclude = exclude->head;
2060	move_type = exclude->move_type;	2142	move_type = exclude->move_type;
…		…
2063	{	2145	{
2064	/* 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. */
2065	move_type = MOVE_ALL;	2147	move_type = MOVE_ALL;
2066	}	2148	}
2067		2149
2068	for (i = 1; i < max; i++)	2150	for (int i = 1; i < max; i++)
2069	{	2151	{
2070	mp = m;	2152	mapxy pos (m, x, y);
2071	nx = x + freearr_x[i];	2153	pos.move (i);
2072	ny = y + freearr_y[i];
2073		2154
2074	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2155	if (!pos.normalise ())
2075
2076	if (mflags & P_OUT_OF_MAP)
2077	max = maxfree[i];	2156	max = maxfree[i];
2078	else	2157	else
2079	{	2158	{
2080	mapspace &ms = mp->at (nx, ny);	2159	mapspace &ms = *pos;
2081		2160
2082	blocked = ms.move_block;
2083
2084	if ((move_type & blocked) == move_type)	2161	if ((move_type & ms.move_block) == move_type)
2085	max = maxfree[i];	2162	max = maxfree [i];
2086	else if (mflags & P_IS_ALIVE)	2163	else if (ms.flags () & P_IS_ALIVE)
2087	{	2164	{
2088	for (tmp = ms.bot; tmp; tmp = tmp->above)	2165	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2089	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2166	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2090	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2167	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2091	break;
2092
2093	if (tmp)
2094	return freedir[i];	2168	return freedir [i];
2095	}	2169	}
2096	}	2170	}
2097	}	2171	}
2098		2172
2099	return 0;	2173	return 0;
…		…
2108	{	2182	{
2109	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);
2110	}	2184	}
2111		2185
2112	/*	2186	/*
2113	* 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
2114	* an object which has subtracted the x and y coordinates of another	2188	* for running into direct [dx, dy].
2115	* object, needs to travel toward it.	2189	* (the opposite of crossfire's find_dir_2!)
2116	*/	2190	*/
2117	int	2191	int
2118	find_dir_2 (int x, int y)	2192	find_dir_2 (int x, int y)
2119	{	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
2120	int q;	2237	int q;
2121		2238
2122	if (y)	2239	if (y)
2123	q = x * 100 / y;	2240	q = 128 * x / y;
2124	else if (x)	2241	else if (x)
2125	q = -300 * x;	2242	q = -512 * x; // to make it > 309
2126	else	2243	else
2127	return 0;	2244	return 0;
2128		2245
2129	if (y > 0)	2246	if (y > 0)
2130	{	2247	{
2131	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
2132	return 3;	2253	return 3;
2133	if (q < -41)	2254	}
2134	return 2;	2255	else
2135	if (q < 41)	2256	{
2136	return 1;	2257	if (q < -309) return 3;
2137	if (q < 242)	2258	if (q < -52) return 2;
2138	return 8;	2259	if (q < 52) return 1;
		2260	if (q < 309) return 8;
		2261
2139	return 7;	2262	return 7;
2140	}	2263	}
2141		2264	#endif
2142	if (q < -242)
2143	return 7;
2144	if (q < -41)
2145	return 6;
2146	if (q < 41)
2147	return 5;
2148	if (q < 242)
2149	return 4;
2150
2151	return 3;
2152	}	2265	}
2153		2266
2154	/*	2267	/*
2155	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2268	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2156	* between two directions (which are expected to be absolute (see absdir())	2269	* between two directions (which are expected to be absolute (see absdir())
2157	*/	2270	*/
2158	int	2271	int
2159	dirdiff (int dir1, int dir2)	2272	dirdiff (int dir1, int dir2)
2160	{	2273	{
2161	int d;
2162
2163	d = abs (dir1 - dir2);	2274	int d = abs (dir1 - dir2);
2164	if (d > 4)
2165	d = 8 - d;
2166		2275
2167	return d;	2276	return d > 4 ? 8 - d : d;
2168	}	2277	}
2169		2278
2170	/* peterm:	2279	/* peterm:
2171	* 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.
2172	* Basically, this is a table of directions, and what directions	2281	* Basically, this is a table of directions, and what directions
…		…
2174	* 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
2175	* 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.
2176	* 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
2177	* functions.	2286	* functions.
2178	*/	2287	*/
2179	int reduction_dir[SIZEOFFREE][3] = {	2288	static const int reduction_dir[SIZEOFFREE][3] = {
2180	{0, 0, 0}, /* 0 */	2289	{0, 0, 0}, /* 0 */
2181	{0, 0, 0}, /* 1 */	2290	{0, 0, 0}, /* 1 */
2182	{0, 0, 0}, /* 2 */	2291	{0, 0, 0}, /* 2 */
2183	{0, 0, 0}, /* 3 */	2292	{0, 0, 0}, /* 3 */
2184	{0, 0, 0}, /* 4 */	2293	{0, 0, 0}, /* 4 */
…		…
2278	* 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)
2279	*/	2388	*/
2280	int	2389	int
2281	can_pick (const object *who, const object *item)	2390	can_pick (const object *who, const object *item)
2282	{	2391	{
2283	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2392	return /*who->flag [FLAG_WIZ]|| */
2284	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2393	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2285	!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));
2286	}	2395	}
		2396
		2397	//-GPL
2287		2398
2288	/*	2399	/*
2289	* create clone from object to another	2400	* create clone from object to another
2290	*/	2401	*/
2291	object *	2402	object *
2292	object_create_clone (object *asrc)	2403	object::deep_clone ()
2293	{	2404	{
2294	object *dst = 0, *tmp, *src, *prev, *item;	2405	assert (("deep_clone called on non-head object", is_head ()));
2295		2406
2296	if (!asrc)	2407	object *dst = clone ();
2297	return 0;
2298		2408
2299	src = asrc->head_ ();	2409	object *prev = dst;
2300
2301	prev = 0;
2302	for (object *part = src; part; part = part->more)	2410	for (object *part = this->more; part; part = part->more)
2303	{	2411	{
2304	tmp = part->clone ();	2412	object *tmp = part->clone ();
2305	tmp->x -= src->x;
2306	tmp->y -= src->y;
2307
2308	if (!part->head)
2309	{
2310	dst = tmp;
2311	tmp->head = 0;
2312	}
2313	else
2314	tmp->head = dst;	2413	tmp->head = dst;
2315
2316	tmp->more = 0;
2317
2318	if (prev)
2319	prev->more = tmp;	2414	prev->more = tmp;
2320
2321	prev = tmp;	2415	prev = tmp;
2322	}	2416	}
2323		2417
2324	for (item = src->inv; item; item = item->below)	2418	for (object *item = inv; item; item = item->below)
2325	insert_ob_in_ob (object_create_clone (item), dst);	2419	insert_ob_in_ob (item->deep_clone (), dst);
2326		2420
2327	return dst;	2421	return dst;
2328	}	2422	}
2329		2423
2330	/* This returns the first object in who's inventory that	2424	/* This returns the first object in who's inventory that
…		…
2339	return tmp;	2433	return tmp;
2340		2434
2341	return 0;	2435	return 0;
2342	}	2436	}
2343		2437
2344	/* If ob has a field named key, return the link from the list,	2438	/* Zero the key_values on op, decrementing the shared-string
2345	* otherwise return NULL.	2439	* refcounts and freeing the links.
2346	*	2440	*/
2347	* key must be a passed in shared string - otherwise, this won't	2441	void
2348	* do the desired thing.	2442	key_values::clear ()
2349	*/
2350	key_value *
2351	get_ob_key_link (const object *ob, const char *key)
2352	{	2443	{
2353	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)
2354	if (link->key == key)	2458	if (kv->key == key)
2355	return link;
2356
2357	return 0;
2358	}
2359
2360	/*
2361	* Returns the value of op has an extra_field for key, or NULL.
2362	*
2363	* The argument doesn't need to be a shared string.
2364	*
2365	* The returned string is shared.
2366	*/
2367	const char *
2368	get_ob_key_value (const object *op, const char *const key)
2369	{
2370	key_value *link;
2371	shstr_cmp canonical_key (key);
2372
2373	if (!canonical_key)
2374	{
2375	/* 1. There being a field named key on any object
2376	* implies there'd be a shared string to find.
2377	* 2. Since there isn't, no object has this field.
2378	* 3. Therefore, *this* object doesn't have this field.
2379	*/
2380	return 0;
2381	}
2382
2383	/* This is copied from get_ob_key_link() above -
2384	* only 4 lines, and saves the function call overhead.
2385	*/
2386	for (link = op->key_values; link; link = link->next)
2387	if (link->key == canonical_key)
2388	return link->value;	2459	return kv->value;
2389		2460
2390	return 0;	2461	return shstr ();
2391	}	2462	}
2392		2463
2393	/*	2464	void
2394	* Updates the canonical_key in op to value.	2465	key_values::add (shstr_tmp key, shstr_tmp value)
2395	*
2396	* canonical_key is a shared string (value doesn't have to be).
2397	*
2398	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2399	* keys.
2400	*
2401	* Returns TRUE on success.
2402	*/
2403	int
2404	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2405	{	2466	{
2406	key_value *field = NULL, *last = NULL;	2467	key_value *kv = new key_value;
2407		2468
2408	for (field = op->key_values; field != NULL; field = field->next)	2469	kv->next = first;
2409	{	2470	kv->key = key;
2410	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)
2411	{	2481	{
2412	last = field;	2482	kv->value = value;
2413	continue;	2483	return;
2414	}	2484	}
2415		2485
2416	if (value)	2486	add (key, value);
2417	field->value = value;	2487	}
2418	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)
2419	{	2494	{
2420	/* Basically, if the archetype has this key set,	2495	key_value *kv = *kvp;
2421	* we need to store the null value so when we save	2496	*kvp = (*kvp)->next;
2422	* it, we save the empty value so that when we load,	2497	delete kv;
2423	* we get this value back again.	2498	return;
2424	*/
2425	if (get_ob_key_link (op->arch, canonical_key))
2426	field->value = 0;
2427	else
2428	{
2429	if (last)
2430	last->next = field->next;
2431	else
2432	op->key_values = field->next;
2433
2434	delete field;
2435	}
2436	}	2499	}
2437	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)
2438	}	2509	{
2439	/* 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	}
2440		2515
2441	/* No field, we'll have to add it. */	2516	first = prev;
2442
2443	if (!add_key)
2444	return FALSE;
2445
2446	/* There isn't any good reason to store a null
2447	* value in the key/value list. If the archetype has
2448	* this key, then we should also have it, so shouldn't
2449	* be here. If user wants to store empty strings,
2450	* should pass in ""
2451	*/
2452	if (value == NULL)
2453	return TRUE;
2454
2455	field = new key_value;
2456
2457	field->key = canonical_key;
2458	field->value = value;
2459	/* Usual prepend-addition. */
2460	field->next = op->key_values;
2461	op->key_values = field;
2462
2463	return TRUE;
2464	}	2517	}
2465		2518
2466	/*	2519	key_values &
2467	* Updates the key in op to value.	2520	key_values::operator =(const key_values &kv)
2468	*
2469	* If add_key is FALSE, this will only update existing keys,
2470	* and not add new ones.
2471	* In general, should be little reason FALSE is ever passed in for add_key
2472	*
2473	* Returns TRUE on success.
2474	*/
2475	int
2476	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2477	{	2521	{
2478	shstr key_ (key);	2522	clear ();
2479		2523
2480	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 ();
2481	}	2528	}
2482		2529
2483	object::depth_iterator::depth_iterator (object *container)	2530	object::depth_iterator::depth_iterator (object *container)
2484	: iterator_base (container)	2531	: iterator_base (container)
2485	{	2532	{
…		…
2535	{	2582	{
2536	char flagdesc[512];	2583	char flagdesc[512];
2537	char info2[256 * 4];	2584	char info2[256 * 4];
2538	char *p = info;	2585	char *p = info;
2539		2586
2540	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}",
2541	count,	2588	count,
2542	uuid.c_str (),	2589	uuid.c_str (),
2543	&name,	2590	&name,
2544	title ? "\",title:\"" : "",	2591	title ? ",title:\"" : "",
2545	title ? (const char *)title : "",	2592	title ? (const char *)title : "",
		2593	title ? "\"" : "",
2546	flag_desc (flagdesc, 512), type);	2594	flag_desc (flagdesc, 512), type);
2547		2595
2548	if (!this->flag[FLAG_REMOVED] && env)	2596	if (!flag[FLAG_REMOVED] && env)
2549	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2597	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2550		2598
2551	if (map)	2599	if (map)
2552	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);
2553		2601
…		…
2568	{	2616	{
2569	return map ? map->region (x, y)	2617	return map ? map->region (x, y)
2570	: region::default_region ();	2618	: region::default_region ();
2571	}	2619	}
2572		2620
2573	const materialtype_t *	2621	//+GPL
2574	object::dominant_material () const
2575	{
2576	if (materialtype_t *mt = name_to_material (materialname))
2577	return mt;
2578
2579	return name_to_material (shstr_unknown);
2580	}
2581		2622
2582	void	2623	void
2583	object::open_container (object *new_container)	2624	object::open_container (object *new_container)
2584	{	2625	{
2585	if (container == new_container)	2626	if (container == new_container)
2586	return;	2627	return;
2587		2628
2588	if (object *old_container = container)	2629	object *old_container = container;
		2630
		2631	if (old_container)
2589	{	2632	{
2590	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2633	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2591	return;	2634	return;
2592		2635
2593	#if 0	2636	#if 0
…		…
2595	if (object *closer = old_container->inv)	2638	if (object *closer = old_container->inv)
2596	if (closer->type == CLOSE_CON)	2639	if (closer->type == CLOSE_CON)
2597	closer->destroy ();	2640	closer->destroy ();
2598	#endif	2641	#endif
2599		2642
		2643	// make sure the container is available
		2644	esrv_send_item (this, old_container);
		2645
2600	old_container->flag [FLAG_APPLIED] = 0;	2646	old_container->flag [FLAG_APPLIED] = false;
2601	container = 0;	2647	container = 0;
2602		2648
		2649	// client needs item update to make it work, client bug requires this to be separate
2603	esrv_update_item (UPD_FLAGS, this, old_container);	2650	esrv_update_item (UPD_FLAGS, this, old_container);
		2651
2604	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 ());
2605	play_sound (sound_find ("chest_close"));	2653	play_sound (sound_find ("chest_close"));
2606	}	2654	}
2607		2655
2608	if (new_container)	2656	if (new_container)
2609	{	2657	{
…		…
2613	// TODO: this does not seem to serve any purpose anymore?	2661	// TODO: this does not seem to serve any purpose anymore?
2614	#if 0	2662	#if 0
2615	// insert the "Close Container" object.	2663	// insert the "Close Container" object.
2616	if (archetype *closer = new_container->other_arch)	2664	if (archetype *closer = new_container->other_arch)
2617	{	2665	{
2618	object *closer = arch_to_object (new_container->other_arch);	2666	object *closer = new_container->other_arch->instance ();
2619	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2667	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2620	new_container->insert (closer);	2668	new_container->insert (closer);
2621	}	2669	}
2622	#endif	2670	#endif
2623		2671
2624	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 ());
2625		2673
		2674	// make sure the container is available, client bug requires this to be separate
		2675	esrv_send_item (this, new_container);
		2676
2626	new_container->flag [FLAG_APPLIED] = 1;	2677	new_container->flag [FLAG_APPLIED] = true;
2627	container = new_container;	2678	container = new_container;
2628		2679
		2680	// client needs flag change
2629	esrv_update_item (UPD_FLAGS, this, new_container);	2681	esrv_update_item (UPD_FLAGS, this, new_container);
2630	esrv_send_inventory (this, new_container);	2682	esrv_send_inventory (this, new_container);
2631	play_sound (sound_find ("chest_open"));	2683	play_sound (sound_find ("chest_open"));
2632	}	2684	}
		2685	// else if (!old_container->env && contr && contr->ns)
		2686	// contr->ns->floorbox_reset ();
2633	}	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
2634		2720
2635	object *	2721	object *
2636	object::force_find (const shstr name)	2722	object::force_find (shstr_tmp name)
2637	{	2723	{
2638	/* 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
2639	* place	2725	* place
2640	*/	2726	*/
2641	for (object *tmp = inv; tmp; tmp = tmp->below)	2727	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2644		2730
2645	return 0;	2731	return 0;
2646	}	2732	}
2647		2733
2648	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 *
2649	object::force_add (const shstr name, int duration)	2744	object::force_add (shstr_tmp name, int duration)
2650	{	2745	{
2651	if (object *force = force_find (name))	2746	if (object *force = force_find (name))
2652	force->destroy ();	2747	force->destroy ();
2653		2748
2654	object *force = get_archetype (FORCE_NAME);	2749	object *force = archetype::get (FORCE_NAME);
2655		2750
2656	force->slaying = name;	2751	force->slaying = name;
2657	force->stats.food = 1;	2752	force->force_set_timer (duration);
2658	force->speed_left = -1.f;
2659
2660	force->set_speed (duration ? 1.f / duration : 0.f);
2661	force->flag [FLAG_IS_USED_UP] = true;
2662	force->flag [FLAG_APPLIED] = true;	2753	force->flag [FLAG_APPLIED] = true;
2663		2754
2664	insert (force);	2755	return insert (force);
2665	}	2756	}
2666		2757
2667	void	2758	void
2668	object::play_sound (faceidx sound)	2759	object::play_sound (faceidx sound) const
2669	{	2760	{
2670	if (!sound)	2761	if (!sound)
2671	return;	2762	return;
2672		2763
2673	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 ())
2674	return;	2789	return;
2675		2790
2676	if (env)	2791	// find old force, or create new one
2677	{	2792	object *force = force_find (shstr_noise_force);
2678	if (object *pl = in_player ())	2793
2679	pl->contr->play_sound (sound);	2794	if (force)
2680	}	2795	force->speed_left = -1.f; // patch old speed up
2681	else	2796	else
2682	map->play_sound (sound, x, y);	2797	{
2683	}	2798	force = archetype::get (shstr_noise_force);
2684		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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