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Comparing deliantra/server/common/object.C (file contents):
Revision 1.207 by root, Sun Apr 20 23:25:09 2008 UTC vs.
Revision 1.288 by root, Sat Oct 3 22:36:08 2009 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992,2007 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
9	* it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
…		…
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	*	20	*
21	* The authors can be reached via e-mail to <support@deliantra.net>	21	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27
28	#include <global.h>	24	#include <global.h>
29	#include <stdio.h>	25	#include <stdio.h>
30	#include <sys/types.h>	26	#include <sys/types.h>
31	#include <sys/uio.h>	27	#include <sys/uio.h>
32	#include <object.h>	28	#include <object.h>
33	#include <funcpoint.h>
34	#include <sproto.h>	29	#include <sproto.h>
35	#include <loader.h>	30	#include <loader.h>
36		31
37	#include <bitset>	32	#include <bitset>
38		33
39	UUID UUID::cur;	34	UUID UUID::cur;
40	static uint64_t seq_next_save;	35	static uint64_t seq_next_save;
41	static const uint64 UUID_GAP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
42		38
43	objectvec objects;	39	objectvec objects;
44	activevec actives;	40	activevec actives;
45		41
46	short freearr_x[SIZEOFFREE] = {	42	short freearr_x[SIZEOFFREE] = {
…		…
144		140
145	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	141	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
146	static bool	142	static bool
147	compare_ob_value_lists_one (const object *wants, const object *has)	143	compare_ob_value_lists_one (const object *wants, const object *has)
148	{	144	{
149	key_value *wants_field;
150
151	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	145	/* n-squared behaviour (see kv_get), but I'm hoping both
152	* objects with lists are rare, and lists stay short. If not, use a	146	* objects with lists are rare, and lists stay short. If not, use a
153	* different structure or at least keep the lists sorted...	147	* different structure or at least keep the lists sorted...
154	*/	148	*/
155		149
156	/* For each field in wants, */	150	/* For each field in wants, */
157	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	151	for (key_value *kv = wants->key_values; kv; kv = kv->next)
158	{	152	if (has->kv_get (kv->key) != kv->value)
159	key_value *has_field;	153	return false;
160
161	/* Look for a field in has with the same key. */
162	has_field = get_ob_key_link (has, wants_field->key);
163
164	if (!has_field)
165	return 0; /* No field with that name. */
166
167	/* Found the matching field. */
168	if (has_field->value != wants_field->value)
169	return 0; /* Values don't match, so this half of the comparison is false. */
170
171	/* If we get here, we found a match. Now for the next field in wants. */
172	}
173		154
174	/* If we get here, every field in wants has a matching field in has. */	155	/* If we get here, every field in wants has a matching field in has. */
175	return 1;	156	return true;
176	}	157	}
177		158
178	/* Returns TRUE if ob1 has the same key_values as ob2. */	159	/* Returns TRUE if ob1 has the same key_values as ob2. */
179	static bool	160	static bool
180	compare_ob_value_lists (const object *ob1, const object *ob2)	161	compare_ob_value_lists (const object *ob1, const object *ob2)
181	{	162	{
182	/* However, there may be fields in has which aren't partnered in wants,	163	/* However, there may be fields in has which aren't partnered in wants,
183	* so we need to run the comparison *twice*. :(	164	* so we need to run the comparison *twice*. :(
184	*/	165	*/
185	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	166	return compare_ob_value_lists_one (ob1, ob2)
		167	&& compare_ob_value_lists_one (ob2, ob1);
186	}	168	}
187		169
188	/* Function examines the 2 objects given to it, and returns true if	170	/* Function examines the 2 objects given to it, and returns true if
189	* they can be merged together.	171	* they can be merged together.
190	*	172	*
…		…
205	|| ob1->speed != ob2->speed	187	|| ob1->speed != ob2->speed
206	|| ob1->value != ob2->value	188	|| ob1->value != ob2->value
207	|| ob1->name != ob2->name)	189	|| ob1->name != ob2->name)
208	return 0;	190	return 0;
209		191
210	/* Do not merge objects if nrof would overflow. First part checks	192	/* Do not merge objects if nrof would overflow, assume nrof
211	* for unsigned overflow (2c), second part checks wether the result	193	* is always 0 .. 2**31-1 */
212	* would fit into a 32 bit signed int, which is often used to hold	194	if (ob1->nrof > 0x7fffffff - ob2->nrof)
213	* nrof values.
214	*/
215	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
216	return 0;	195	return 0;
217		196
218	/* If the objects have been identified, set the BEEN_APPLIED flag.	197	/* If the objects have been identified, set the BEEN_APPLIED flag.
219	* This is to the comparison of the flags below will be OK. We	198	* This is to the comparison of the flags below will be OK. We
220	* just can't ignore the been applied or identified flags, as they	199	* just can't ignore the been applied or identified flags, as they
…		…
225	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	204	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
226		205
227	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	206	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
228	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	207	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
229		208
230	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	209	if (ob1->arch->archname != ob2->arch->archname
231	|| ob1->arch != ob2->arch
232	|| ob1->name != ob2->name	210	|| ob1->name != ob2->name
233	|| ob1->title != ob2->title	211	|| ob1->title != ob2->title
234	|| ob1->msg != ob2->msg	212	|| ob1->msg != ob2->msg
235	|| ob1->weight != ob2->weight	213	|| ob1->weight != ob2->weight
236	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
237	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
238	|| ob1->attacktype != ob2->attacktype	214	|| ob1->attacktype != ob2->attacktype
239	|| ob1->magic != ob2->magic	215	|| ob1->magic != ob2->magic
240	|| ob1->slaying != ob2->slaying	216	|| ob1->slaying != ob2->slaying
241	|| ob1->skill != ob2->skill	217	|| ob1->skill != ob2->skill
242	|| ob1->value != ob2->value	218	|| ob1->value != ob2->value
243	|| ob1->animation_id != ob2->animation_id	219	|| ob1->animation_id != ob2->animation_id
		220	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
244	|| ob1->client_type != ob2->client_type	221	|| ob1->client_type != ob2->client_type
245	|| ob1->materialname != ob2->materialname	222	|| ob1->materialname != ob2->materialname
246	|| ob1->lore != ob2->lore	223	|| ob1->lore != ob2->lore
247	|| ob1->subtype != ob2->subtype	224	|| ob1->subtype != ob2->subtype
248	|| ob1->move_type != ob2->move_type	225	|| ob1->move_type != ob2->move_type
249	|| ob1->move_block != ob2->move_block	226	|| ob1->move_block != ob2->move_block
250	|| ob1->move_allow != ob2->move_allow	227	|| ob1->move_allow != ob2->move_allow
251	|| ob1->move_on != ob2->move_on	228	|| ob1->move_on != ob2->move_on
252	|| ob1->move_off != ob2->move_off	229	|| ob1->move_off != ob2->move_off
253	|| ob1->move_slow != ob2->move_slow	230	|| ob1->move_slow != ob2->move_slow
254	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	231	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		232	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		233	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
		234	return 0;
		235
		236	if ((ob1->flag ^ ob2->flag)
		237	.reset (FLAG_INV_LOCKED)
		238	.reset (FLAG_REMOVED)
		239	.any ())
255	return 0;	240	return 0;
256		241
257	/* This is really a spellbook check - we should in general	242	/* This is really a spellbook check - we should in general
258	* not merge objects with real inventories, as splitting them	243	* not merge objects with real inventories, as splitting them
259	* is hard.	244	* is hard.
…		…
298		283
299	if (ob1->key_values || ob2->key_values)	284	if (ob1->key_values || ob2->key_values)
300	{	285	{
301	/* At least one of these has key_values. */	286	/* At least one of these has key_values. */
302	if ((!ob1->key_values) != (!ob2->key_values))	287	if ((!ob1->key_values) != (!ob2->key_values))
303	/* One has fields, but the other one doesn't. */	288	return 0; /* One has fields, but the other one doesn't. */
304	return 0;	289
305	else if (!compare_ob_value_lists (ob1, ob2))	290	if (!compare_ob_value_lists (ob1, ob2))
306	return 0;	291	return 0;
307	}	292	}
308		293
309	if (ob1->self || ob2->self)	294	if (ob1->self || ob2->self)
310	{	295	{
…		…
316	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;	301	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
317	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;	302	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
318		303
319	if (k1 != k2)	304	if (k1 != k2)
320	return 0;	305	return 0;
		306
321	else if (k1 == 0)	307	if (k1 == 0)
322	return 1;	308	return 1;
		309
323	else if (!cfperl_can_merge (ob1, ob2))	310	if (!cfperl_can_merge (ob1, ob2))
324	return 0;	311	return 0;
325	}	312	}
326	}	313	}
327		314
328	/* Everything passes, must be OK. */	315	/* Everything passes, must be OK. */
329	return 1;	316	return 1;
330	}	317	}
331		318
		319	// find player who can see this object
		320	object *
		321	object::visible_to () const
		322	{
		323	if (client_visible () && !flag [FLAG_REMOVED])
		324	{
		325	// see if we are in a container of sorts
		326	if (env)
		327	{
		328	// the player inventory itself is always visible
		329	if (env->is_player ())
		330	return env;
		331
		332	// else a player could have our env open
		333	object *envest = env->outer_env_or_self ();
		334
		335	// the player itself is always on a map, so we will find him here
		336	// even if our inv is in a player.
		337	if (envest->is_on_map ())
		338	if (object *pl = envest->ms ().player ())
		339	if (pl->container == env)
		340	return pl;
		341	}
		342	else
		343	{
		344	// maybe there is a player standing on the same mapspace
		345	// this will catch the case where "this" is a player
		346	if (object *pl = ms ().player ())
		347	if ((!pl->container && pl->contr->ns && !pl->contr->ns->update_look)
		348	|| this == pl->container)
		349	return pl;
		350	}
		351	}
		352
		353	return 0;
		354	}
		355
		356	// adjust weight per container type ("of holding")
332	static sint32	357	static sint32
333	weight_adjust (object *op, sint32 weight)	358	weight_adjust_for (object *op, sint32 weight)
334	{	359	{
335	return op->type == CONTAINER	360	return op->type == CONTAINER
336	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)	361	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
337	: weight;	362	: weight;
338	}	363	}
339		364
340	/*	365	/*
341	* add_weight(object, weight) adds the specified weight to an object,	366	* adjust_weight(object, weight) adds the specified weight to an object,
342	* and also updates how much the environment(s) is/are carrying.	367	* and also updates how much the environment(s) is/are carrying.
343	*/	368	*/
344	static void	369	static void
345	add_weight (object *op, sint32 weight)	370	adjust_weight (object *op, sint32 weight)
346	{	371	{
347	while (op)	372	while (op)
348	{	373	{
		374	// adjust by actual difference to account for rounding errors
		375	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
349	weight = weight_adjust (op, weight);	376	weight = weight_adjust_for (op, op->carrying)
		377	- weight_adjust_for (op, op->carrying - weight);
		378
		379	if (!weight)
		380	return;
350		381
351	op->carrying += weight;	382	op->carrying += weight;
		383
		384	if (object *pl = op->visible_to ())
		385	if (pl != op) // player is handled lazily
		386	esrv_update_item (UPD_WEIGHT, pl, op);
		387
352	op = op->env;	388	op = op->env;
353	}	389	}
354	}
355
356	/*
357	* sub_weight() recursively (outwards) subtracts a number from the
358	* weight of an object (and what is carried by it's environment(s)).
359	*/
360	static void
361	sub_weight (object *op, long weight)
362	{
363	add_weight (op, -weight);
364	}	390	}
365		391
366	/*	392	/*
367	* this is a recursive function which calculates the weight	393	* this is a recursive function which calculates the weight
368	* an object is carrying. It goes through op and figures out how much	394	* an object is carrying. It goes through op and figures out how much
…		…
379	op->update_weight ();	405	op->update_weight ();
380		406
381	sum += op->total_weight ();	407	sum += op->total_weight ();
382	}	408	}
383		409
384	carrying = weight_adjust (this, sum);	410	sum = weight_adjust_for (this, sum);
385	}
386		411
		412	if (sum != carrying)
		413	{
		414	carrying = sum;
		415
		416	if (object *pl = visible_to ())
		417	if (pl != this) // player is handled lazily
		418	esrv_update_item (UPD_WEIGHT, pl, this);
		419	}
		420	}
		421
387	/*	422	/*
388	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	423	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
389	* Some error messages.
390	* The result of the dump is stored in the static global errmsg array.
391	*/	424	*/
392	char *	425	char *
393	dump_object (object *op)	426	dump_object (object *op)
394	{	427	{
395	if (!op)	428	if (!op)
…		…
409	get_nearest_part (object *op, const object *pl)	442	get_nearest_part (object *op, const object *pl)
410	{	443	{
411	object *tmp, *closest;	444	object *tmp, *closest;
412	int last_dist, i;	445	int last_dist, i;
413		446
414	if (op->more == NULL)	447	if (!op->more)
415	return op;	448	return op;
		449
416	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	450	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		451	tmp;
		452	tmp = tmp->more)
417	if ((i = distance (tmp, pl)) < last_dist)	453	if ((i = distance (tmp, pl)) < last_dist)
418	closest = tmp, last_dist = i;	454	closest = tmp, last_dist = i;
		455
419	return closest;	456	return closest;
420	}	457	}
421		458
422	/*	459	/*
423	* Returns the object which has the count-variable equal to the argument.	460	* Returns the object which has the count-variable equal to the argument.
		461	* VERRRY slow.
424	*/	462	*/
425	object *	463	object *
426	find_object (tag_t i)	464	find_object (tag_t i)
427	{	465	{
428	for_all_objects (op)	466	for_all_objects (op)
…		…
439	*/	477	*/
440	object *	478	object *
441	find_object_name (const char *str)	479	find_object_name (const char *str)
442	{	480	{
443	shstr_cmp str_ (str);	481	shstr_cmp str_ (str);
444	object *op;
445		482
		483	if (str_)
446	for_all_objects (op)	484	for_all_objects (op)
447	if (op->name == str_)	485	if (op->name == str_)
448	break;	486	return op;
449		487
450	return op;	488	return 0;
451	}	489	}
452		490
453	/*	491	/*
454	* Sets the owner and sets the skill and exp pointers to owner's current	492	* Sets the owner and sets the skill and exp pointers to owner's current
455	* skill and experience objects.	493	* skill and experience objects.
…		…
517	update_stats ();	555	update_stats ();
518		556
519	new_draw_info_format (NDI_UNIQUE, 0, this,	557	new_draw_info_format (NDI_UNIQUE, 0, this,
520	"You try to balance all your items at once, "	558	"You try to balance all your items at once, "
521	"but the %s is just too much for your body. "	559	"but the %s is just too much for your body. "
522	"[You need to unapply some items first.]", &ob->name);	560	"[You need to unapply some items first - use the 'body' command to see "
		561	"how many items you cna wera on a specific body part.]", &ob->name);
523	return false;	562	return false;
524	}	563	}
525		564
526	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);	565	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
527	}	566	}
…		…
553	}	592	}
554		593
555	op->key_values = 0;	594	op->key_values = 0;
556	}	595	}
557		596
558	object &	597	/*
559	object::operator =(const object &src)	598	* copy_to first frees everything allocated by the dst object,
		599	* and then copies the contents of itself into the second
		600	* object, allocating what needs to be allocated. Basically, any
		601	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		602	* if the first object is freed, the pointers in the new object
		603	* will point at garbage.
		604	*/
		605	void
		606	object::copy_to (object *dst)
560	{	607	{
561	bool is_freed = flag [FLAG_FREED];	608	dst->remove ();
562	bool is_removed = flag [FLAG_REMOVED];
563
564	*(object_copy *)this = src;	609	*(object_copy *)dst = *this;
565
566	flag [FLAG_FREED] = is_freed;
567	flag [FLAG_REMOVED] = is_removed;	610	dst->flag [FLAG_REMOVED] = true;
568		611
569	/* Copy over key_values, if any. */	612	/* Copy over key_values, if any. */
570	if (src.key_values)	613	if (key_values)
571	{	614	{
572	key_value *tail = 0;	615	key_value *tail = 0;
573	key_values = 0;	616	dst->key_values = 0;
574		617
575	for (key_value *i = src.key_values; i; i = i->next)	618	for (key_value *i = key_values; i; i = i->next)
576	{	619	{
577	key_value *new_link = new key_value;	620	key_value *new_link = new key_value;
578		621
579	new_link->next = 0;	622	new_link->next = 0;
580	new_link->key = i->key;	623	new_link->key = i->key;
581	new_link->value = i->value;	624	new_link->value = i->value;
582		625
583	/* Try and be clever here, too. */	626	/* Try and be clever here, too. */
584	if (!key_values)	627	if (!dst->key_values)
585	{	628	{
586	key_values = new_link;	629	dst->key_values = new_link;
587	tail = new_link;	630	tail = new_link;
588	}	631	}
589	else	632	else
590	{	633	{
591	tail->next = new_link;	634	tail->next = new_link;
592	tail = new_link;	635	tail = new_link;
593	}	636	}
594	}	637	}
595	}	638	}
596	}
597
598	/*
599	* copy_to first frees everything allocated by the dst object,
600	* and then copies the contents of itself into the second
601	* object, allocating what needs to be allocated. Basically, any
602	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
603	* if the first object is freed, the pointers in the new object
604	* will point at garbage.
605	*/
606	void
607	object::copy_to (object *dst)
608	{
609	*dst = *this;
610		639
611	if (speed < 0)	640	if (speed < 0)
612	dst->speed_left -= rndm ();	641	dst->speed_left -= rndm ();
613		642
614	dst->set_speed (dst->speed);	643	dst->activate ();
615	}	644	}
616		645
617	void	646	void
618	object::instantiate ()	647	object::instantiate ()
619	{	648	{
…		…
636	object *	665	object *
637	object::clone ()	666	object::clone ()
638	{	667	{
639	object *neu = create ();	668	object *neu = create ();
640	copy_to (neu);	669	copy_to (neu);
		670	neu->map = map; // not copied by copy_to
641	return neu;	671	return neu;
642	}	672	}
643		673
644	/*	674	/*
645	* If an object with the IS_TURNABLE() flag needs to be turned due	675	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
696	* UP_OBJ_FACE: only the objects face has changed.	726	* UP_OBJ_FACE: only the objects face has changed.
697	*/	727	*/
698	void	728	void
699	update_object (object *op, int action)	729	update_object (object *op, int action)
700	{	730	{
701	if (op == NULL)	731	if (!op)
702	{	732	{
703	/* this should never happen */	733	/* this should never happen */
704	LOG (llevDebug, "update_object() called for NULL object.\n");	734	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
705	return;	735	return;
706	}	736	}
707		737
708	if (op->env)	738	if (!op->is_on_map ())
709	{	739	{
710	/* Animation is currently handled by client, so nothing	740	/* Animation is currently handled by client, so nothing
711	* to do in this case.	741	* to do in this case.
712	*/	742	*/
713	return;	743	return;
714	}	744	}
715
716	/* If the map is saving, don't do anything as everything is
717	* going to get freed anyways.
718	*/
719	if (!op->map || op->map->in_memory == MAP_SAVING)
720	return;
721		745
722	/* make sure the object is within map boundaries */	746	/* make sure the object is within map boundaries */
723	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	747	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
724	{	748	{
725	LOG (llevError, "update_object() called for object out of map!\n");	749	LOG (llevError, "update_object() called for object out of map!\n");
…		…
736	else if (action == UP_OBJ_INSERT)	760	else if (action == UP_OBJ_INSERT)
737	{	761	{
738	// this is likely overkill, TODO: revisit (schmorp)	762	// this is likely overkill, TODO: revisit (schmorp)
739	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	763	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
740	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	764	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
741	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	765	|| (op->is_player () && !(m.flags_ & P_PLAYER))
742	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	766	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
743	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	767	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
744	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	768	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
745	|| (m.move_on | op->move_on ) != m.move_on	769	|| (m.move_on | op->move_on ) != m.move_on
746	|| (m.move_off | op->move_off ) != m.move_off	770	|| (m.move_off | op->move_off ) != m.move_off
747	|| (m.move_slow | op->move_slow) != m.move_slow	771	|| (m.move_slow | op->move_slow) != m.move_slow
748	/* This isn't perfect, but I don't expect a lot of objects to	772	/* This isn't perfect, but I don't expect a lot of objects to
749	* to have move_allow right now.	773	* have move_allow right now.
750	*/	774	*/
751	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	775	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
752	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	776	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
753	m.flags_ = 0;	777	m.invalidate ();
754	}	778	}
755	/* if the object is being removed, we can't make intelligent	779	/* if the object is being removed, we can't make intelligent
756	* decisions, because remove_ob can't really pass the object	780	* decisions, because remove_ob can't really pass the object
757	* that is being removed.	781	* that is being removed.
758	*/	782	*/
759	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	783	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
760	m.flags_ = 0;	784	m.invalidate ();
761	else if (action == UP_OBJ_FACE)	785	else if (action == UP_OBJ_FACE)
762	/* Nothing to do for that case */ ;	786	/* Nothing to do for that case */ ;
763	else	787	else
764	LOG (llevError, "update_object called with invalid action: %d\n", action);	788	LOG (llevError, "update_object called with invalid action: %d\n", action);
765		789
…		…
769		793
770	object::object ()	794	object::object ()
771	{	795	{
772	SET_FLAG (this, FLAG_REMOVED);	796	SET_FLAG (this, FLAG_REMOVED);
773		797
774	expmul = 1.0;	798	//expmul = 1.0; declared const for the time being
775	face = blank_face;	799	face = blank_face;
776	}	800	}
777		801
778	object::~object ()	802	object::~object ()
779	{	803	{
…		…
809	/* If already on active list, don't do anything */	833	/* If already on active list, don't do anything */
810	if (active)	834	if (active)
811	return;	835	return;
812		836
813	if (has_active_speed ())	837	if (has_active_speed ())
		838	{
		839	if (flag [FLAG_FREED])
		840	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		841
814	actives.insert (this);	842	actives.insert (this);
		843	}
815	}	844	}
816		845
817	void	846	void
818	object::activate_recursive ()	847	object::activate_recursive ()
819	{	848	{
…		…
868	object::destroy_inv (bool drop_to_ground)	897	object::destroy_inv (bool drop_to_ground)
869	{	898	{
870	// need to check first, because the checks below might segfault	899	// need to check first, because the checks below might segfault
871	// as we might be on an invalid mapspace and crossfire code	900	// as we might be on an invalid mapspace and crossfire code
872	// is too buggy to ensure that the inventory is empty.	901	// is too buggy to ensure that the inventory is empty.
873	// corollary: if you create arrows etc. with stuff in tis inventory,	902	// corollary: if you create arrows etc. with stuff in its inventory,
874	// cf will crash below with off-map x and y	903	// cf will crash below with off-map x and y
875	if (!inv)	904	if (!inv)
876	return;	905	return;
877		906
878	/* Only if the space blocks everything do we not process -	907	/* Only if the space blocks everything do we not process -
…		…
880	* drop on that space.	909	* drop on that space.
881	*/	910	*/
882	if (!drop_to_ground	911	if (!drop_to_ground
883	|| !map	912	|| !map
884	|| map->in_memory != MAP_ACTIVE	913	|| map->in_memory != MAP_ACTIVE
885	|| map->nodrop	914	|| map->no_drop
886	|| ms ().move_block == MOVE_ALL)	915	|| ms ().move_block == MOVE_ALL)
887	{	916	{
888	while (inv)	917	while (inv)
889	{
890	inv->destroy_inv (drop_to_ground);
891	inv->destroy ();	918	inv->destroy ();
892	}
893	}	919	}
894	else	920	else
895	{ /* Put objects in inventory onto this space */	921	{ /* Put objects in inventory onto this space */
896	while (inv)	922	while (inv)
897	{	923	{
…		…
915	object *op = new object;	941	object *op = new object;
916	op->link ();	942	op->link ();
917	return op;	943	return op;
918	}	944	}
919		945
		946	static struct freed_map : maptile
		947	{
		948	freed_map ()
		949	{
		950	path = "<freed objects map>";
		951	name = "/internal/freed_objects_map";
		952	width = 3;
		953	height = 3;
		954	no_drop = 1;
		955	no_reset = 1;
		956
		957	alloc ();
		958	in_memory = MAP_ACTIVE;
		959	}
		960
		961	~freed_map ()
		962	{
		963	destroy ();
		964	}
		965	} freed_map; // freed objects are moved here to avoid crashes
		966
920	void	967	void
921	object::do_destroy ()	968	object::do_destroy ()
922	{	969	{
923	attachable::do_destroy ();
924
925	if (flag [FLAG_IS_LINKED])	970	if (flag [FLAG_IS_LINKED])
926	remove_button_link (this);	971	remove_link ();
927		972
928	if (flag [FLAG_FRIENDLY])	973	if (flag [FLAG_FRIENDLY])
929	remove_friendly_object (this);	974	remove_friendly_object (this);
930		975
931	if (!flag [FLAG_REMOVED])
932	remove ();	976	remove ();
933		977
934	destroy_inv (true);	978	attachable::do_destroy ();
935		979
936	deactivate ();	980	deactivate ();
937	unlink ();	981	unlink ();
938		982
939	flag [FLAG_FREED] = 1;	983	flag [FLAG_FREED] = 1;
940		984
941	// hack to ensure that freed objects still have a valid map	985	// hack to ensure that freed objects still have a valid map
942	{
943	static maptile *freed_map; // freed objects are moved here to avoid crashes
944
945	if (!freed_map)
946	{
947	freed_map = new maptile;
948
949	freed_map->path = "<freed objects map>";
950	freed_map->name = "/internal/freed_objects_map";
951	freed_map->width = 3;
952	freed_map->height = 3;
953	freed_map->nodrop = 1;
954
955	freed_map->alloc ();
956	freed_map->in_memory = MAP_ACTIVE;
957	}
958
959	map = freed_map;	986	map = &freed_map;
960	x = 1;	987	x = 1;
961	y = 1;	988	y = 1;
962	}
963		989
964	if (more)	990	if (more)
965	{	991	{
966	more->destroy ();	992	more->destroy ();
967	more = 0;	993	more = 0;
…		…
975	attacked_by = 0;	1001	attacked_by = 0;
976	current_weapon = 0;	1002	current_weapon = 0;
977	}	1003	}
978		1004
979	void	1005	void
980	object::destroy (bool destroy_inventory)	1006	object::destroy ()
981	{	1007	{
982	if (destroyed ())	1008	if (destroyed ())
983	return;	1009	return;
984		1010
985	if (destroy_inventory)	1011	if (!is_head () && !head->destroyed ())
		1012	{
		1013	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1014	head->destroy ();
		1015	return;
		1016	}
		1017
986	destroy_inv (false);	1018	destroy_inv (false);
987		1019
988	if (is_head ())	1020	if (is_head ())
989	if (sound_destroy)	1021	if (sound_destroy)
990	play_sound (sound_destroy);	1022	play_sound (sound_destroy);
991	else if (flag [FLAG_MONSTER])	1023	else if (flag [FLAG_MONSTER])
…		…
1005	object::do_remove ()	1037	object::do_remove ()
1006	{	1038	{
1007	object *tmp, *last = 0;	1039	object *tmp, *last = 0;
1008	object *otmp;	1040	object *otmp;
1009		1041
1010	if (QUERY_FLAG (this, FLAG_REMOVED))	1042	if (flag [FLAG_REMOVED])
1011	return;	1043	return;
1012		1044
1013	SET_FLAG (this, FLAG_REMOVED);
1014	INVOKE_OBJECT (REMOVE, this);	1045	INVOKE_OBJECT (REMOVE, this);
		1046
		1047	flag [FLAG_REMOVED] = true;
1015		1048
1016	if (more)	1049	if (more)
1017	more->remove ();	1050	more->remove ();
1018		1051
1019	/*	1052	/*
1020	* In this case, the object to be removed is in someones	1053	* In this case, the object to be removed is in someones
1021	* inventory.	1054	* inventory.
1022	*/	1055	*/
1023	if (env)	1056	if (env)
1024	{	1057	{
1025	if (nrof)	1058	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1026	sub_weight (env, weight * nrof);	1059	if (object *pl = visible_to ())
1027	else	1060	esrv_del_item (pl->contr, count);
1028	sub_weight (env, weight + carrying);	1061	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1062
		1063	adjust_weight (env, -total_weight ());
		1064
		1065	object *pl = in_player ();
		1066
		1067	/* we set up values so that it could be inserted into
		1068	* the map, but we don't actually do that - it is up
		1069	* to the caller to decide what we want to do.
		1070	*/
		1071	map = env->map;
		1072	x = env->x;
		1073	y = env->y;
		1074
		1075	// make sure cmov optimisation is applicable
		1076	*(above ? &above->below : &env->inv) = below;
		1077	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1078
		1079	above = 0;
		1080	below = 0;
		1081	env = 0;
1029		1082
1030	/* NO_FIX_PLAYER is set when a great many changes are being	1083	/* NO_FIX_PLAYER is set when a great many changes are being
1031	* made to players inventory. If set, avoiding the call	1084	* made to players inventory. If set, avoiding the call
1032	* to save cpu time.	1085	* to save cpu time.
1033	*/	1086	*/
1034	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1087	if (pl)
		1088	if (pl->is_player () && (glow_radius || !QUERY_FLAG (pl, FLAG_NO_FIX_PLAYER)))
		1089	{
1035	otmp->update_stats ();	1090	pl->update_stats ();
1036		1091
1037	if (above)	1092	if (glow_radius && pl->is_on_map ())
1038	above->below = below;	1093	update_all_los (pl->map, pl->x, pl->y);
1039	else	1094	}
1040	env->inv = below;
1041
1042	if (below)
1043	below->above = above;
1044
1045	/* we set up values so that it could be inserted into
1046	* the map, but we don't actually do that - it is up
1047	* to the caller to decide what we want to do.
1048	*/
1049	x = env->x, y = env->y;
1050	map = env->map;
1051	above = 0, below = 0;
1052	env = 0;
1053	}	1095	}
1054	else if (map)	1096	else if (map)
1055	{	1097	{
1056	if (type == PLAYER)
1057	{
1058	// leaving a spot always closes any open container on the ground
1059	if (container && !container->env)
1060	// this causes spurious floorbox updates, but it ensures
1061	// that the CLOSE event is being sent.
1062	close_container ();
1063
1064	--map->players;
1065	map->touch ();
1066	}
1067
1068	map->dirty = true;	1098	map->dirty = true;
1069	mapspace &ms = this->ms ();	1099	mapspace &ms = this->ms ();
1070		1100
		1101	if (object *pl = ms.player ())
		1102	{
		1103	if (is_player ())
		1104	{
		1105	if (!flag [FLAG_WIZPASS])
		1106	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1107
		1108	// leaving a spot always closes any open container on the ground
		1109	if (container && !container->env)
		1110	// this causes spurious floorbox updates, but it ensures
		1111	// that the CLOSE event is being sent.
		1112	close_container ();
		1113
		1114	--map->players;
		1115	map->touch ();
		1116	}
		1117	else if (pl->container == this)
		1118	{
		1119	// removing a container should close it
		1120	close_container ();
		1121	}
		1122
		1123	esrv_del_item (pl->contr, count);
		1124	}
		1125
1071	/* link the object above us */	1126	/* link the object above us */
1072	if (above)	1127	// re-link, make sure compiler can easily use cmove
1073	above->below = below;	1128	*(above ? &above->below : &ms.top) = below;
1074	else	1129	*(below ? &below->above : &ms.bot) = above;
1075	ms.top = below; /* we were top, set new top */
1076
1077	/* Relink the object below us, if there is one */
1078	if (below)
1079	below->above = above;
1080	else
1081	{
1082	/* Nothing below, which means we need to relink map object for this space
1083	* use translated coordinates in case some oddness with map tiling is
1084	* evident
1085	*/
1086	if (GET_MAP_OB (map, x, y) != this)
1087	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 ());
1088
1089	ms.bot = above; /* goes on above it. */
1090	}
1091		1130
1092	above = 0;	1131	above = 0;
1093	below = 0;	1132	below = 0;
		1133
		1134	ms.invalidate ();
1094		1135
1095	if (map->in_memory == MAP_SAVING)	1136	if (map->in_memory == MAP_SAVING)
1096	return;	1137	return;
1097		1138
1098	int check_walk_off = !flag [FLAG_NO_APPLY];	1139	int check_walk_off = !flag [FLAG_NO_APPLY];
…		…
1104	* removed (most likely destroyed), update the player view	1145	* removed (most likely destroyed), update the player view
1105	* appropriately.	1146	* appropriately.
1106	*/	1147	*/
1107	pl->close_container ();	1148	pl->close_container ();
1108		1149
		1150	//TODO: the floorbox prev/next might need updating
		1151	//esrv_del_item (pl->contr, count);
		1152	//TODO: update floorbox to preserve ordering
		1153	if (pl->contr->ns)
1109	pl->contr->ns->floorbox_update ();	1154	pl->contr->ns->floorbox_update ();
1110	}	1155	}
1111		1156
1112	for (tmp = ms.bot; tmp; tmp = tmp->above)	1157	for (tmp = ms.bot; tmp; tmp = tmp->above)
1113	{	1158	{
1114	/* No point updating the players look faces if he is the object	1159	/* No point updating the players look faces if he is the object
…		…
1127	}	1172	}
1128		1173
1129	last = tmp;	1174	last = tmp;
1130	}	1175	}
1131		1176
1132	/* last == NULL if there are no objects on this space */	1177	if (affects_los ())
1133	//TODO: this makes little sense, why only update the topmost object?
1134	if (!last)
1135	map->at (x, y).flags_ = 0;
1136	else
1137	update_object (last, UP_OBJ_REMOVE);
1138
1139	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1140	update_all_los (map, x, y);	1178	update_all_los (map, x, y);
1141	}	1179	}
1142	}	1180	}
1143		1181
1144	/*	1182	/*
…		…
1158	if (!top)	1196	if (!top)
1159	for (top = op; top && top->above; top = top->above)	1197	for (top = op; top && top->above; top = top->above)
1160	;	1198	;
1161		1199
1162	for (; top; top = top->below)	1200	for (; top; top = top->below)
1163	{
1164	if (top == op)
1165	continue;
1166
1167	if (object::can_merge (op, top))	1201	if (object::can_merge (op, top))
1168	{	1202	{
1169	top->nrof += op->nrof;	1203	top->nrof += op->nrof;
1170		1204
1171	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1205	if (object *pl = top->visible_to ())
1172	op->weight = 0; /* Don't want any adjustements now */	1206	esrv_update_item (UPD_NROF, pl, top);
		1207
		1208	op->weight = 0; // cancel the addition above
		1209	op->carrying = 0; // must be 0 already
		1210
1173	op->destroy ();	1211	op->destroy ();
		1212
1174	return top;	1213	return top;
1175	}	1214	}
1176	}
1177		1215
1178	return 0;	1216	return 0;
1179	}	1217	}
1180		1218
1181	void	1219	void
…		…
1206	* job preparing multi-part monsters.	1244	* job preparing multi-part monsters.
1207	*/	1245	*/
1208	object *	1246	object *
1209	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1247	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1210	{	1248	{
		1249	op->remove ();
		1250
1211	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1251	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1212	{	1252	{
1213	tmp->x = x + tmp->arch->x;	1253	tmp->x = x + tmp->arch->x;
1214	tmp->y = y + tmp->arch->y;	1254	tmp->y = y + tmp->arch->y;
1215	}	1255	}
…		…
1238	* just 'op' otherwise	1278	* just 'op' otherwise
1239	*/	1279	*/
1240	object *	1280	object *
1241	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1281	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1242	{	1282	{
1243	assert (!op->flag [FLAG_FREED]);
1244
1245	object *top, *floor = NULL;
1246
1247	op->remove ();	1283	op->remove ();
		1284
		1285	if (m == &freed_map)//D TODO: remove soon
		1286	{//D
		1287	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
		1288	}//D
1248		1289
1249	/* Ideally, the caller figures this out. However, it complicates a lot	1290	/* Ideally, the caller figures this out. However, it complicates a lot
1250	* of areas of callers (eg, anything that uses find_free_spot would now	1291	* of areas of callers (eg, anything that uses find_free_spot would now
1251	* need extra work	1292	* need extra work
1252	*/	1293	*/
		1294	maptile *newmap = m;
1253	if (!xy_normalise (m, op->x, op->y))	1295	if (!xy_normalise (newmap, op->x, op->y))
1254	{	1296	{
1255	op->destroy ();	1297	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1256	return 0;	1298	return 0;
1257	}	1299	}
1258		1300
1259	if (object *more = op->more)	1301	if (object *more = op->more)
1260	if (!insert_ob_in_map (more, m, originator, flag))	1302	if (!insert_ob_in_map (more, m, originator, flag))
1261	return 0;	1303	return 0;
1262		1304
1263	CLEAR_FLAG (op, FLAG_REMOVED);	1305	op->flag [FLAG_REMOVED] = false;
1264		1306	op->env = 0;
1265	op->map = m;	1307	op->map = newmap;
		1308
1266	mapspace &ms = op->ms ();	1309	mapspace &ms = op->ms ();
1267		1310
1268	/* this has to be done after we translate the coordinates.	1311	/* this has to be done after we translate the coordinates.
1269	*/	1312	*/
1270	if (op->nrof && !(flag & INS_NO_MERGE))	1313	if (op->nrof && !(flag & INS_NO_MERGE))
1271	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1314	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1272	if (object::can_merge (op, tmp))	1315	if (object::can_merge (op, tmp))
1273	{	1316	{
		1317	// TODO: we actually want to update tmp, not op,
		1318	// but some caller surely breaks when we return tmp
		1319	// from here :/
1274	op->nrof += tmp->nrof;	1320	op->nrof += tmp->nrof;
1275	tmp->destroy ();	1321	tmp->destroy ();
1276	}	1322	}
1277		1323
1278	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1324	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1287	{	1333	{
1288	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1334	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1289	abort ();	1335	abort ();
1290	}	1336	}
1291		1337
		1338	if (!originator->is_on_map ())
		1339	{
		1340	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1341	op->debug_desc (), originator->debug_desc ());
		1342	abort ();
		1343	}
		1344
1292	op->above = originator;	1345	op->above = originator;
1293	op->below = originator->below;	1346	op->below = originator->below;
1294
1295	if (op->below)
1296	op->below->above = op;
1297	else
1298	ms.bot = op;
1299
1300	/* since *below* originator, no need to update top */
1301	originator->below = op;	1347	originator->below = op;
		1348
		1349	*(op->below ? &op->below->above : &ms.bot) = op;
1302	}	1350	}
1303	else	1351	else
1304	{	1352	{
1305	top = ms.bot;	1353	object *floor = 0;
		1354	object *top = ms.top;
1306		1355
1307	/* If there are other objects, then */	1356	/* If there are other objects, then */
1308	if (top)	1357	if (top)
1309	{	1358	{
1310	object *last = 0;
1311
1312	/*	1359	/*
1313	* If there are multiple objects on this space, we do some trickier handling.	1360	* If there are multiple objects on this space, we do some trickier handling.
1314	* We've already dealt with merging if appropriate.	1361	* We've already dealt with merging if appropriate.
1315	* Generally, we want to put the new object on top. But if	1362	* Generally, we want to put the new object on top. But if
1316	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1363	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1319	* once we get to them. This reduces the need to traverse over all of	1366	* once we get to them. This reduces the need to traverse over all of
1320	* them when adding another one - this saves quite a bit of cpu time	1367	* them when adding another one - this saves quite a bit of cpu time
1321	* when lots of spells are cast in one area. Currently, it is presumed	1368	* when lots of spells are cast in one area. Currently, it is presumed
1322	* that flying non pickable objects are spell objects.	1369	* that flying non pickable objects are spell objects.
1323	*/	1370	*/
1324	for (top = ms.bot; top; top = top->above)	1371	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1325	{	1372	{
1326	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1373	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1327	floor = top;	1374	floor = tmp;
1328		1375
1329	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1376	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1330	{	1377	{
1331	/* We insert above top, so we want this object below this */	1378	/* We insert above top, so we want this object below this */
1332	top = top->below;	1379	top = tmp->below;
1333	break;	1380	break;
1334	}	1381	}
1335		1382
1336	last = top;	1383	top = tmp;
1337	}	1384	}
1338
1339	/* Don't want top to be NULL, so set it to the last valid object */
1340	top = last;
1341		1385
1342	/* We let update_position deal with figuring out what the space	1386	/* We let update_position deal with figuring out what the space
1343	* looks like instead of lots of conditions here.	1387	* looks like instead of lots of conditions here.
1344	* makes things faster, and effectively the same result.	1388	* makes things faster, and effectively the same result.
1345	*/	1389	*/
…		…
1352	*/	1396	*/
1353	if (!(flag & INS_ON_TOP)	1397	if (!(flag & INS_ON_TOP)
1354	&& ms.flags () & P_BLOCKSVIEW	1398	&& ms.flags () & P_BLOCKSVIEW
1355	&& (op->face && !faces [op->face].visibility))	1399	&& (op->face && !faces [op->face].visibility))
1356	{	1400	{
		1401	object *last;
		1402
1357	for (last = top; last != floor; last = last->below)	1403	for (last = top; last != floor; last = last->below)
1358	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1404	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1359	break;	1405	break;
1360		1406
1361	/* Check to see if we found the object that blocks view,	1407	/* Check to see if we found the object that blocks view,
…		…
1369	} /* If objects on this space */	1415	} /* If objects on this space */
1370		1416
1371	if (flag & INS_ABOVE_FLOOR_ONLY)	1417	if (flag & INS_ABOVE_FLOOR_ONLY)
1372	top = floor;	1418	top = floor;
1373		1419
1374	/* Top is the object that our object (op) is going to get inserted above.	1420	// insert object above top, or bottom-most if top = 0
1375	*/
1376
1377	/* First object on this space */
1378	if (!top)	1421	if (!top)
1379	{	1422	{
		1423	op->below = 0;
1380	op->above = ms.bot;	1424	op->above = ms.bot;
1381
1382	if (op->above)
1383	op->above->below = op;
1384
1385	op->below = 0;
1386	ms.bot = op;	1425	ms.bot = op;
		1426
		1427	*(op->above ? &op->above->below : &ms.top) = op;
1387	}	1428	}
1388	else	1429	else
1389	{ /* get inserted into the stack above top */	1430	{
1390	op->above = top->above;	1431	op->above = top->above;
1391
1392	if (op->above)
1393	op->above->below = op;	1432	top->above = op;
1394		1433
1395	op->below = top;	1434	op->below = top;
1396	top->above = op;	1435	*(op->above ? &op->above->below : &ms.top) = op;
1397	}	1436	}
		1437	}
1398		1438
1399	if (!op->above)	1439	if (op->is_player ())
1400	ms.top = op;
1401	} /* else not INS_BELOW_ORIGINATOR */
1402
1403	if (op->type == PLAYER)
1404	{	1440	{
1405	op->contr->do_los = 1;	1441	op->contr->do_los = 1;
1406	++op->map->players;	1442	++op->map->players;
1407	op->map->touch ();	1443	op->map->touch ();
1408	}	1444	}
1409		1445
1410	op->map->dirty = true;	1446	op->map->dirty = true;
1411		1447
1412	if (object *pl = ms.player ())	1448	if (object *pl = ms.player ())
		1449	//TODO: the floorbox prev/next might need updating
		1450	//esrv_send_item (pl, op);
		1451	//TODO: update floorbox to preserve ordering
		1452	if (pl->contr->ns)
1413	pl->contr->ns->floorbox_update ();	1453	pl->contr->ns->floorbox_update ();
1414		1454
1415	/* If this object glows, it may affect lighting conditions that are	1455	/* If this object glows, it may affect lighting conditions that are
1416	* visible to others on this map. But update_all_los is really	1456	* visible to others on this map. But update_all_los is really
1417	* an inefficient way to do this, as it means los for all players	1457	* an inefficient way to do this, as it means los for all players
1418	* on the map will get recalculated. The players could very well	1458	* on the map will get recalculated. The players could very well
1419	* be far away from this change and not affected in any way -	1459	* be far away from this change and not affected in any way -
1420	* this should get redone to only look for players within range,	1460	* this should get redone to only look for players within range,
1421	* or just updating the P_UPTODATE for spaces within this area	1461	* or just updating the P_UPTODATE for spaces within this area
1422	* of effect may be sufficient.	1462	* of effect may be sufficient.
1423	*/	1463	*/
1424	if (op->map->darkness && (op->glow_radius != 0))	1464	if (op->affects_los ())
		1465	{
		1466	op->ms ().invalidate ();
1425	update_all_los (op->map, op->x, op->y);	1467	update_all_los (op->map, op->x, op->y);
		1468	}
1426		1469
1427	/* updates flags (blocked, alive, no magic, etc) for this map space */	1470	/* updates flags (blocked, alive, no magic, etc) for this map space */
1428	update_object (op, UP_OBJ_INSERT);	1471	update_object (op, UP_OBJ_INSERT);
1429		1472
1430	INVOKE_OBJECT (INSERT, op);	1473	INVOKE_OBJECT (INSERT, op);
…		…
1437	* blocked() and wall() work properly), and these flags are updated by	1480	* blocked() and wall() work properly), and these flags are updated by
1438	* update_object().	1481	* update_object().
1439	*/	1482	*/
1440		1483
1441	/* if this is not the head or flag has been passed, don't check walk on status */	1484	/* if this is not the head or flag has been passed, don't check walk on status */
1442	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1485	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1443	{	1486	{
1444	if (check_move_on (op, originator))	1487	if (check_move_on (op, originator))
1445	return 0;	1488	return 0;
1446		1489
1447	/* If we are a multi part object, lets work our way through the check	1490	/* If we are a multi part object, lets work our way through the check
…		…
1458	/* this function inserts an object in the map, but if it	1501	/* this function inserts an object in the map, but if it
1459	* finds an object of its own type, it'll remove that one first.	1502	* finds an object of its own type, it'll remove that one first.
1460	* op is the object to insert it under: supplies x and the map.	1503	* op is the object to insert it under: supplies x and the map.
1461	*/	1504	*/
1462	void	1505	void
1463	replace_insert_ob_in_map (const char *arch_string, object *op)	1506	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1464	{	1507	{
1465	object *tmp, *tmp1;
1466
1467	/* first search for itself and remove any old instances */	1508	/* first search for itself and remove any old instances */
1468		1509
1469	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1510	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1470	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1511	if (tmp->arch->archname == archname) /* same archetype */
1471	tmp->destroy ();	1512	tmp->destroy ();
1472		1513
1473	tmp1 = arch_to_object (archetype::find (arch_string));	1514	object *tmp = arch_to_object (archetype::find (archname));
1474		1515
1475	tmp1->x = op->x;	1516	tmp->x = op->x;
1476	tmp1->y = op->y;	1517	tmp->y = op->y;
		1518
1477	insert_ob_in_map (tmp1, op->map, op, 0);	1519	insert_ob_in_map (tmp, op->map, op, 0);
1478	}	1520	}
1479		1521
1480	object *	1522	object *
1481	object::insert_at (object *where, object *originator, int flags)	1523	object::insert_at (object *where, object *originator, int flags)
1482	{	1524	{
…		…
1485	else	1527	else
1486	return where->map->insert (this, where->x, where->y, originator, flags);	1528	return where->map->insert (this, where->x, where->y, originator, flags);
1487	}	1529	}
1488		1530
1489	/*	1531	/*
1490	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1491	* is returned contains nr objects, and the remaining parts contains
1492	* the rest (or is removed and freed if that number is 0).
1493	* On failure, NULL is returned, and the reason put into the
1494	* global static errmsg array.
1495	*/
1496	object *
1497	get_split_ob (object *orig_ob, uint32 nr)
1498	{
1499	object *newob;
1500	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1501
1502	if (orig_ob->nrof < nr)
1503	{
1504	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1505	return NULL;
1506	}
1507
1508	newob = object_create_clone (orig_ob);
1509
1510	if ((orig_ob->nrof -= nr) < 1)
1511	orig_ob->destroy (1);
1512	else if (!is_removed)
1513	{
1514	if (orig_ob->env != NULL)
1515	sub_weight (orig_ob->env, orig_ob->weight * nr);
1516	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_ACTIVE)
1517	{
1518	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1519	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1520	return NULL;
1521	}
1522	}
1523
1524	newob->nrof = nr;
1525
1526	return newob;
1527	}
1528
1529	/*
1530	* decrease_ob_nr(object, number) decreases a specified number from	1532	* decrease(object, number) decreases a specified number from
1531	* the amount of an object. If the amount reaches 0, the object	1533	* the amount of an object. If the amount reaches 0, the object
1532	* is subsequently removed and freed.	1534	* is subsequently removed and freed.
1533	*	1535	*
1534	* Return value: 'op' if something is left, NULL if the amount reached 0	1536	* Return value: 'op' if something is left, NULL if the amount reached 0
1535	*/	1537	*/
		1538	bool
		1539	object::decrease (sint32 nr)
		1540	{
		1541	if (!nr)
		1542	return true;
		1543
		1544	nr = min (nr, nrof);
		1545
		1546	if (nrof > nr)
		1547	{
		1548	nrof -= nr;
		1549	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1550
		1551	if (object *pl = visible_to ())
		1552	esrv_update_item (UPD_NROF, pl, this);
		1553
		1554	return true;
		1555	}
		1556	else
		1557	{
		1558	destroy ();
		1559	return false;
		1560	}
		1561	}
		1562
		1563	/*
		1564	* split(ob,nr) splits up ob into two parts. The part which
		1565	* is returned contains nr objects, and the remaining parts contains
		1566	* the rest (or is removed and returned if that number is 0).
		1567	* On failure, NULL is returned.
		1568	*/
1536	object *	1569	object *
1537	decrease_ob_nr (object *op, uint32 i)	1570	object::split (sint32 nr)
1538	{	1571	{
1539	object *tmp;	1572	int have = number_of ();
1540		1573
1541	if (i == 0) /* objects with op->nrof require this check */	1574	if (have < nr)
1542	return op;	1575	return 0;
1543		1576	else if (have == nr)
1544	if (i > op->nrof)
1545	i = op->nrof;
1546
1547	if (QUERY_FLAG (op, FLAG_REMOVED))
1548	op->nrof -= i;
1549	else if (op->env)
1550	{	1577	{
1551	/* is this object in the players inventory, or sub container
1552	* therein?
1553	*/
1554	tmp = op->in_player ();
1555	/* nope. Is this a container the player has opened?
1556	* If so, set tmp to that player.
1557	* IMO, searching through all the players will mostly
1558	* likely be quicker than following op->env to the map,
1559	* and then searching the map for a player.
1560	*/
1561	if (!tmp)
1562	for_all_players (pl)
1563	if (pl->ob->container == op->env)
1564	{
1565	tmp = pl->ob;
1566	break;
1567	}
1568
1569	if (i < op->nrof)
1570	{
1571	sub_weight (op->env, op->weight * i);
1572	op->nrof -= i;
1573	if (tmp)
1574	esrv_send_item (tmp, op);
1575	}
1576	else
1577	{
1578	op->remove ();	1578	remove ();
1579	op->nrof = 0;	1579	return this;
1580	if (tmp)
1581	esrv_del_item (tmp->contr, op->count);
1582	}
1583	}	1580	}
1584	else	1581	else
1585	{	1582	{
1586	object *above = op->above;	1583	decrease (nr);
1587		1584
1588	if (i < op->nrof)	1585	object *op = deep_clone ();
1589	op->nrof -= i;	1586	op->nrof = nr;
1590	else
1591	{
1592	op->remove ();
1593	op->nrof = 0;
1594	}
1595
1596	/* Since we just removed op, op->above is null */
1597	for (tmp = above; tmp; tmp = tmp->above)
1598	if (tmp->type == PLAYER)
1599	{
1600	if (op->nrof)
1601	esrv_send_item (tmp, op);
1602	else
1603	esrv_del_item (tmp->contr, op->count);
1604	}
1605	}
1606
1607	if (op->nrof)
1608	return op;	1587	return op;
1609	else
1610	{
1611	op->destroy ();
1612	return 0;
1613	}	1588	}
1614	}	1589	}
1615		1590
1616	object *	1591	object *
1617	insert_ob_in_ob (object *op, object *where)	1592	insert_ob_in_ob (object *op, object *where)
…		…
1642	* be != op, if items are merged. -Tero	1617	* be != op, if items are merged. -Tero
1643	*/	1618	*/
1644	object *	1619	object *
1645	object::insert (object *op)	1620	object::insert (object *op)
1646	{	1621	{
1647	if (!QUERY_FLAG (op, FLAG_REMOVED))
1648	op->remove ();
1649
1650	if (op->more)	1622	if (op->more)
1651	{	1623	{
1652	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1624	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1653	return op;	1625	return op;
1654	}	1626	}
1655		1627
1656	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1628	op->remove ();
1657	CLEAR_FLAG (op, FLAG_REMOVED);	1629
		1630	op->flag [FLAG_OBJ_ORIGINAL] = 0;
1658		1631
1659	if (op->nrof)	1632	if (op->nrof)
1660	{
1661	for (object *tmp = inv; tmp; tmp = tmp->below)	1633	for (object *tmp = inv; tmp; tmp = tmp->below)
1662	if (object::can_merge (tmp, op))	1634	if (object::can_merge (tmp, op))
1663	{	1635	{
1664	/* return the original object and remove inserted object	1636	/* return the original object and remove inserted object
1665	(client needs the original object) */	1637	(client needs the original object) */
1666	tmp->nrof += op->nrof;	1638	tmp->nrof += op->nrof;
1667	/* Weight handling gets pretty funky. Since we are adding to	1639
1668	* tmp->nrof, we need to increase the weight.	1640	if (object *pl = tmp->visible_to ())
1669	*/	1641	esrv_update_item (UPD_NROF, pl, tmp);
		1642
1670	add_weight (this, op->weight * op->nrof);	1643	adjust_weight (this, op->total_weight ());
1671	SET_FLAG (op, FLAG_REMOVED);	1644
1672	op->destroy (); /* free the inserted object */	1645	op->destroy ();
1673	op = tmp;	1646	op = tmp;
1674	op->remove (); /* and fix old object's links */	1647	goto inserted;
1675	CLEAR_FLAG (op, FLAG_REMOVED);
1676	break;
1677	}	1648	}
1678		1649
1679	/* I assume combined objects have no inventory
1680	* We add the weight - this object could have just been removed
1681	* (if it was possible to merge). calling remove_ob will subtract
1682	* the weight, so we need to add it in again, since we actually do
1683	* the linking below
1684	*/
1685	add_weight (this, op->weight * op->nrof);
1686	}
1687	else
1688	add_weight (this, (op->weight + op->carrying));
1689
1690	if (object *otmp = this->in_player ())
1691	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1692	otmp->update_stats ();
1693
1694	op->owner = 0; // its his/hers now. period.	1650	op->owner = 0; // it's his/hers now. period.
1695	op->map = 0;	1651	op->map = 0;
		1652	op->x = 0;
		1653	op->y = 0;
		1654
		1655	op->above = 0;
		1656	op->below = inv;
1696	op->env = this;	1657	op->env = this;
1697	op->above = 0;
1698	op->below = 0;
1699	op->x = op->y = 0;
1700		1658
		1659	if (inv)
		1660	inv->above = op;
		1661
		1662	inv = op;
		1663
		1664	op->flag [FLAG_REMOVED] = 0;
		1665
		1666	if (object *pl = op->visible_to ())
		1667	esrv_send_item (pl, op);
		1668
		1669	adjust_weight (this, op->total_weight ());
		1670
		1671	inserted:
1701	/* reset the light list and los of the players on the map */	1672	/* reset the light list and los of the players on the map */
1702	if (op->glow_radius && map)	1673	if (op->glow_radius && is_on_map ())
1703	{	1674	{
1704	#ifdef DEBUG_LIGHTS	1675	update_stats ();
1705	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1706	#endif /* DEBUG_LIGHTS */
1707	if (map->darkness)
1708	update_all_los (map, x, y);	1676	update_all_los (map, x, y);
1709	}
1710
1711	/* Client has no idea of ordering so lets not bother ordering it here.
1712	* It sure simplifies this function...
1713	*/
1714	if (!inv)
1715	inv = op;
1716	else
1717	{	1677	}
1718	op->below = inv;	1678	else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1719	op->below->above = op;	1679	// if this is a player's inventory, update stats
1720	inv = op;	1680	update_stats ();
1721	}
1722		1681
1723	INVOKE_OBJECT (INSERT, this);	1682	INVOKE_OBJECT (INSERT, this);
1724		1683
1725	return op;	1684	return op;
1726	}	1685	}
…		…
1746	* on top.	1705	* on top.
1747	*/	1706	*/
1748	int	1707	int
1749	check_move_on (object *op, object *originator)	1708	check_move_on (object *op, object *originator)
1750	{	1709	{
		1710	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1711	return 0;
		1712
1751	object *tmp;	1713	object *tmp;
1752	maptile *m = op->map;	1714	maptile *m = op->map;
1753	int x = op->x, y = op->y;	1715	int x = op->x, y = op->y;
1754		1716
1755	MoveType move_on, move_slow, move_block;	1717	mapspace &ms = m->at (x, y);
1756		1718
1757	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1719	ms.update ();
1758	return 0;
1759		1720
1760	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1721	MoveType move_on = ms.move_on;
1761	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1722	MoveType move_slow = ms.move_slow;
1762	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1723	MoveType move_block = ms.move_block;
1763		1724
1764	/* if nothing on this space will slow op down or be applied,	1725	/* if nothing on this space will slow op down or be applied,
1765	* no need to do checking below. have to make sure move_type	1726	* no need to do checking below. have to make sure move_type
1766	* is set, as lots of objects don't have it set - we treat that	1727	* is set, as lots of objects don't have it set - we treat that
1767	* as walking.	1728	* as walking.
…		…
1778	return 0;	1739	return 0;
1779		1740
1780	/* The objects have to be checked from top to bottom.	1741	/* The objects have to be checked from top to bottom.
1781	* Hence, we first go to the top:	1742	* Hence, we first go to the top:
1782	*/	1743	*/
1783		1744	for (object *next, *tmp = ms.top; tmp; tmp = next)
1784	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1785	{
1786	/* Trim the search when we find the first other spell effect
1787	* this helps performance so that if a space has 50 spell objects,
1788	* we don't need to check all of them.
1789	*/
1790	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1791	break;
1792	}	1745	{
		1746	next = tmp->below;
1793		1747
1794	for (; tmp; tmp = tmp->below)
1795	{
1796	if (tmp == op)	1748	if (tmp == op)
1797	continue; /* Can't apply yourself */	1749	continue; /* Can't apply yourself */
1798		1750
1799	/* Check to see if one of the movement types should be slowed down.	1751	/* Check to see if one of the movement types should be slowed down.
1800	* Second check makes sure that the movement types not being slowed	1752	* Second check makes sure that the movement types not being slowed
…		…
1805	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1757	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1806	{	1758	{
1807	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1759	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1808	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1760	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1809	{	1761	{
1810
1811	float
1812	diff = tmp->move_slow_penalty * fabs (op->speed);	1762	float diff = tmp->move_slow_penalty * fabs (op->speed);
1813		1763
1814	if (op->type == PLAYER)	1764	if (op->is_player ())
1815	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1765	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1816	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1766	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1817	diff /= 4.0;	1767	diff /= 4.0;
1818		1768
1819	op->speed_left -= diff;	1769	op->speed_left -= diff;
1820	}	1770	}
1821	}	1771	}
…		…
1854	LOG (llevError, "Present_arch called outside map.\n");	1804	LOG (llevError, "Present_arch called outside map.\n");
1855	return NULL;	1805	return NULL;
1856	}	1806	}
1857		1807
1858	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1808	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1859	if (tmp->arch == at)	1809	if (tmp->arch->archname == at->archname)
1860	return tmp;	1810	return tmp;
1861		1811
1862	return NULL;	1812	return NULL;
1863	}	1813	}
1864		1814
…		…
1928	* The first matching object is returned, or NULL if none.	1878	* The first matching object is returned, or NULL if none.
1929	*/	1879	*/
1930	object *	1880	object *
1931	present_arch_in_ob (const archetype *at, const object *op)	1881	present_arch_in_ob (const archetype *at, const object *op)
1932	{	1882	{
1933	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1883	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1934	if (tmp->arch == at)	1884	if (tmp->arch->archname == at->archname)
1935	return tmp;	1885	return tmp;
1936		1886
1937	return NULL;	1887	return NULL;
1938	}	1888	}
1939		1889
…		…
2027	* head of the object should correspond for the entire object.	1977	* head of the object should correspond for the entire object.
2028	*/	1978	*/
2029	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	1979	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
2030	continue;	1980	continue;
2031		1981
2032	if (ob->blocked (m, pos.x, pos.y))	1982	if (ob->blocked (pos.m, pos.x, pos.y))
2033	continue;	1983	continue;
2034		1984
2035	altern [index++] = i;	1985	altern [index++] = i;
2036	}	1986	}
2037		1987
…		…
2105	* there is capable of.	2055	* there is capable of.
2106	*/	2056	*/
2107	int	2057	int
2108	find_dir (maptile *m, int x, int y, object *exclude)	2058	find_dir (maptile *m, int x, int y, object *exclude)
2109	{	2059	{
2110	int i, max = SIZEOFFREE, mflags;	2060	int max = SIZEOFFREE, mflags;
2111
2112	sint16 nx, ny;
2113	object *tmp;
2114	maptile *mp;
2115
2116	MoveType blocked, move_type;	2061	MoveType move_type;
2117		2062
2118	if (exclude && exclude->head_ () != exclude)	2063	if (exclude && exclude->head_ () != exclude)
2119	{	2064	{
2120	exclude = exclude->head;	2065	exclude = exclude->head;
2121	move_type = exclude->move_type;	2066	move_type = exclude->move_type;
…		…
2124	{	2069	{
2125	/* If we don't have anything, presume it can use all movement types. */	2070	/* If we don't have anything, presume it can use all movement types. */
2126	move_type = MOVE_ALL;	2071	move_type = MOVE_ALL;
2127	}	2072	}
2128		2073
2129	for (i = 1; i < max; i++)	2074	for (int i = 1; i < max; i++)
2130	{	2075	{
2131	mp = m;	2076	mapxy pos (m, x, y);
2132	nx = x + freearr_x[i];	2077	pos.move (i);
2133	ny = y + freearr_y[i];
2134		2078
2135	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2079	if (!pos.normalise ())
2136
2137	if (mflags & P_OUT_OF_MAP)
2138	max = maxfree[i];	2080	max = maxfree[i];
2139	else	2081	else
2140	{	2082	{
2141	mapspace &ms = mp->at (nx, ny);	2083	mapspace &ms = *pos;
2142		2084
2143	blocked = ms.move_block;
2144
2145	if ((move_type & blocked) == move_type)	2085	if ((move_type & ms.move_block) == move_type)
2146	max = maxfree[i];	2086	max = maxfree [i];
2147	else if (mflags & P_IS_ALIVE)	2087	else if (ms.flags () & P_IS_ALIVE)
2148	{	2088	{
2149	for (tmp = ms.bot; tmp; tmp = tmp->above)	2089	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2150	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2090	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2151	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2091	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2152	break;
2153
2154	if (tmp)
2155	return freedir[i];	2092	return freedir [i];
2156	}	2093	}
2157	}	2094	}
2158	}	2095	}
2159		2096
2160	return 0;	2097	return 0;
…		…
2235	* This basically means that if direction is 15, then it could either go	2172	* This basically means that if direction is 15, then it could either go
2236	* direction 4, 14, or 16 to get back to where we are.	2173	* direction 4, 14, or 16 to get back to where we are.
2237	* Moved from spell_util.c to object.c with the other related direction	2174	* Moved from spell_util.c to object.c with the other related direction
2238	* functions.	2175	* functions.
2239	*/	2176	*/
2240	int reduction_dir[SIZEOFFREE][3] = {	2177	const int reduction_dir[SIZEOFFREE][3] = {
2241	{0, 0, 0}, /* 0 */	2178	{0, 0, 0}, /* 0 */
2242	{0, 0, 0}, /* 1 */	2179	{0, 0, 0}, /* 1 */
2243	{0, 0, 0}, /* 2 */	2180	{0, 0, 0}, /* 2 */
2244	{0, 0, 0}, /* 3 */	2181	{0, 0, 0}, /* 3 */
2245	{0, 0, 0}, /* 4 */	2182	{0, 0, 0}, /* 4 */
…		…
2341	int	2278	int
2342	can_pick (const object *who, const object *item)	2279	can_pick (const object *who, const object *item)
2343	{	2280	{
2344	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2281	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2345	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2282	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2346	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2283	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2347	}	2284	}
2348		2285
2349	/*	2286	/*
2350	* create clone from object to another	2287	* create clone from object to another
2351	*/	2288	*/
2352	object *	2289	object *
2353	object_create_clone (object *asrc)	2290	object::deep_clone ()
2354	{	2291	{
2355	object *dst = 0, *tmp, *src, *prev, *item;	2292	assert (("deep_clone called on non-head object", is_head ()));
2356		2293
2357	if (!asrc)	2294	object *dst = clone ();
2358	return 0;
2359		2295
2360	src = asrc->head_ ();	2296	object *prev = dst;
2361
2362	prev = 0;
2363	for (object *part = src; part; part = part->more)	2297	for (object *part = this->more; part; part = part->more)
2364	{	2298	{
2365	tmp = part->clone ();	2299	object *tmp = part->clone ();
2366	tmp->x -= src->x;
2367	tmp->y -= src->y;
2368
2369	if (!part->head)
2370	{
2371	dst = tmp;
2372	tmp->head = 0;
2373	}
2374	else
2375	tmp->head = dst;	2300	tmp->head = dst;
2376
2377	tmp->more = 0;
2378
2379	if (prev)
2380	prev->more = tmp;	2301	prev->more = tmp;
2381
2382	prev = tmp;	2302	prev = tmp;
2383	}	2303	}
2384		2304
2385	for (item = src->inv; item; item = item->below)	2305	for (object *item = inv; item; item = item->below)
2386	insert_ob_in_ob (object_create_clone (item), dst);	2306	insert_ob_in_ob (item->deep_clone (), dst);
2387		2307
2388	return dst;	2308	return dst;
2389	}	2309	}
2390		2310
2391	/* This returns the first object in who's inventory that	2311	/* This returns the first object in who's inventory that
…		…
2400	return tmp;	2320	return tmp;
2401		2321
2402	return 0;	2322	return 0;
2403	}	2323	}
2404		2324
2405	/* If ob has a field named key, return the link from the list,	2325	shstr_tmp
2406	* otherwise return NULL.	2326	object::kv_get (shstr_tmp key) const
2407	*
2408	* key must be a passed in shared string - otherwise, this won't
2409	* do the desired thing.
2410	*/
2411	key_value *
2412	get_ob_key_link (const object *ob, const char *key)
2413	{	2327	{
2414	for (key_value *link = ob->key_values; link; link = link->next)	2328	for (key_value *kv = key_values; kv; kv = kv->next)
2415	if (link->key == key)	2329	if (kv->key == key)
2416	return link;
2417
2418	return 0;
2419	}
2420
2421	/*
2422	* Returns the value of op has an extra_field for key, or NULL.
2423	*
2424	* The argument doesn't need to be a shared string.
2425	*
2426	* The returned string is shared.
2427	*/
2428	const char *
2429	get_ob_key_value (const object *op, const char *const key)
2430	{
2431	key_value *link;
2432	shstr_cmp canonical_key (key);
2433
2434	if (!canonical_key)
2435	{
2436	/* 1. There being a field named key on any object
2437	* implies there'd be a shared string to find.
2438	* 2. Since there isn't, no object has this field.
2439	* 3. Therefore, *this* object doesn't have this field.
2440	*/
2441	return 0;
2442	}
2443
2444	/* This is copied from get_ob_key_link() above -
2445	* only 4 lines, and saves the function call overhead.
2446	*/
2447	for (link = op->key_values; link; link = link->next)
2448	if (link->key == canonical_key)
2449	return link->value;	2330	return kv->value;
2450		2331
2451	return 0;	2332	return shstr ();
2452	}	2333	}
2453		2334
2454	/*	2335	void
2455	* Updates the canonical_key in op to value.	2336	object::kv_set (shstr_tmp key, shstr_tmp value)
2456	*
2457	* canonical_key is a shared string (value doesn't have to be).
2458	*
2459	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2460	* keys.
2461	*
2462	* Returns TRUE on success.
2463	*/
2464	int
2465	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2466	{	2337	{
2467	key_value *field = NULL, *last = NULL;	2338	for (key_value *kv = key_values; kv; kv = kv->next)
2468		2339	if (kv->key == key)
2469	for (field = op->key_values; field != NULL; field = field->next)
2470	{
2471	if (field->key != canonical_key)
2472	{	2340	{
2473	last = field;	2341	kv->value = value;
2474	continue;	2342	return;
2475	}	2343	}
2476		2344
2477	if (value)	2345	key_value *kv = new key_value;
2478	field->value = value;	2346
2479	else	2347	kv->next = key_values;
		2348	kv->key = key;
		2349	kv->value = value;
		2350
		2351	key_values = kv;
		2352	}
		2353
		2354	void
		2355	object::kv_del (shstr_tmp key)
		2356	{
		2357	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2358	if ((*kvp)->key == key)
2480	{	2359	{
2481	/* Basically, if the archetype has this key set,	2360	key_value *kv = *kvp;
2482	* we need to store the null value so when we save	2361	*kvp = (*kvp)->next;
2483	* it, we save the empty value so that when we load,	2362	delete kv;
2484	* we get this value back again.	2363	return;
2485	*/
2486	if (get_ob_key_link (op->arch, canonical_key))
2487	field->value = 0;
2488	else
2489	{
2490	if (last)
2491	last->next = field->next;
2492	else
2493	op->key_values = field->next;
2494
2495	delete field;
2496	}
2497	}	2364	}
2498	return TRUE;
2499	}
2500	/* IF we get here, key doesn't exist */
2501
2502	/* No field, we'll have to add it. */
2503
2504	if (!add_key)
2505	return FALSE;
2506
2507	/* There isn't any good reason to store a null
2508	* value in the key/value list. If the archetype has
2509	* this key, then we should also have it, so shouldn't
2510	* be here. If user wants to store empty strings,
2511	* should pass in ""
2512	*/
2513	if (value == NULL)
2514	return TRUE;
2515
2516	field = new key_value;
2517
2518	field->key = canonical_key;
2519	field->value = value;
2520	/* Usual prepend-addition. */
2521	field->next = op->key_values;
2522	op->key_values = field;
2523
2524	return TRUE;
2525	}
2526
2527	/*
2528	* Updates the key in op to value.
2529	*
2530	* If add_key is FALSE, this will only update existing keys,
2531	* and not add new ones.
2532	* In general, should be little reason FALSE is ever passed in for add_key
2533	*
2534	* Returns TRUE on success.
2535	*/
2536	int
2537	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2538	{
2539	shstr key_ (key);
2540
2541	return set_ob_key_value_s (op, key_, value, add_key);
2542	}	2365	}
2543		2366
2544	object::depth_iterator::depth_iterator (object *container)	2367	object::depth_iterator::depth_iterator (object *container)
2545	: iterator_base (container)	2368	: iterator_base (container)
2546	{	2369	{
…		…
2596	{	2419	{
2597	char flagdesc[512];	2420	char flagdesc[512];
2598	char info2[256 * 4];	2421	char info2[256 * 4];
2599	char *p = info;	2422	char *p = info;
2600		2423
2601	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",	2424	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2602	count,	2425	count,
2603	uuid.c_str (),	2426	uuid.c_str (),
2604	&name,	2427	&name,
2605	title ? "\",title:\"" : "",	2428	title ? ",title:\"" : "",
2606	title ? (const char *)title : "",	2429	title ? (const char *)title : "",
		2430	title ? "\"" : "",
2607	flag_desc (flagdesc, 512), type);	2431	flag_desc (flagdesc, 512), type);
2608		2432
2609	if (!this->flag[FLAG_REMOVED] && env)	2433	if (!flag[FLAG_REMOVED] && env)
2610	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2434	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2611		2435
2612	if (map)	2436	if (map)
2613	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2437	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2614		2438
…		…
2644	object::open_container (object *new_container)	2468	object::open_container (object *new_container)
2645	{	2469	{
2646	if (container == new_container)	2470	if (container == new_container)
2647	return;	2471	return;
2648		2472
2649	if (object *old_container = container)	2473	object *old_container = container;
		2474
		2475	if (old_container)
2650	{	2476	{
2651	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2477	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2652	return;	2478	return;
2653		2479
2654	#if 0	2480	#if 0
…		…
2656	if (object *closer = old_container->inv)	2482	if (object *closer = old_container->inv)
2657	if (closer->type == CLOSE_CON)	2483	if (closer->type == CLOSE_CON)
2658	closer->destroy ();	2484	closer->destroy ();
2659	#endif	2485	#endif
2660		2486
		2487	// make sure the container is available
		2488	esrv_send_item (this, old_container);
		2489
2661	old_container->flag [FLAG_APPLIED] = 0;	2490	old_container->flag [FLAG_APPLIED] = false;
2662	container = 0;	2491	container = 0;
2663		2492
		2493	// client needs item update to make it work, client bug requires this to be separate
2664	esrv_update_item (UPD_FLAGS, this, old_container);	2494	esrv_update_item (UPD_FLAGS, this, old_container);
		2495
2665	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2496	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2666	play_sound (sound_find ("chest_close"));	2497	play_sound (sound_find ("chest_close"));
2667	}	2498	}
2668		2499
2669	if (new_container)	2500	if (new_container)
2670	{	2501	{
…		…
2680	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2511	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2681	new_container->insert (closer);	2512	new_container->insert (closer);
2682	}	2513	}
2683	#endif	2514	#endif
2684		2515
2685	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2516	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2686		2517
		2518	// make sure the container is available, client bug requires this to be separate
		2519	esrv_send_item (this, new_container);
		2520
2687	new_container->flag [FLAG_APPLIED] = 1;	2521	new_container->flag [FLAG_APPLIED] = true;
2688	container = new_container;	2522	container = new_container;
2689		2523
		2524	// client needs flag change
2690	esrv_update_item (UPD_FLAGS, this, new_container);	2525	esrv_update_item (UPD_FLAGS, this, new_container);
2691	esrv_send_inventory (this, new_container);	2526	esrv_send_inventory (this, new_container);
2692	play_sound (sound_find ("chest_open"));	2527	play_sound (sound_find ("chest_open"));
2693	}	2528	}
		2529	// else if (!old_container->env && contr && contr->ns)
		2530	// contr->ns->floorbox_reset ();
2694	}	2531	}
2695		2532
2696	object *	2533	object *
2697	object::force_find (const shstr name)	2534	object::force_find (shstr_tmp name)
2698	{	2535	{
2699	/* cycle through his inventory to look for the MARK we want to	2536	/* cycle through his inventory to look for the MARK we want to
2700	* place	2537	* place
2701	*/	2538	*/
2702	for (object *tmp = inv; tmp; tmp = tmp->below)	2539	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2704	return splay (tmp);	2541	return splay (tmp);
2705		2542
2706	return 0;	2543	return 0;
2707	}	2544	}
2708		2545
2709	void	2546	object *
2710	object::force_add (const shstr name, int duration)	2547	object::force_add (shstr_tmp name, int duration)
2711	{	2548	{
2712	if (object *force = force_find (name))	2549	if (object *force = force_find (name))
2713	force->destroy ();	2550	force->destroy ();
2714		2551
2715	object *force = get_archetype (FORCE_NAME);	2552	object *force = get_archetype (FORCE_NAME);
…		…
2720		2557
2721	force->set_speed (duration ? 1.f / duration : 0.f);	2558	force->set_speed (duration ? 1.f / duration : 0.f);
2722	force->flag [FLAG_IS_USED_UP] = true;	2559	force->flag [FLAG_IS_USED_UP] = true;
2723	force->flag [FLAG_APPLIED] = true;	2560	force->flag [FLAG_APPLIED] = true;
2724		2561
2725	insert (force);	2562	return insert (force);
2726	}	2563	}
2727		2564
2728	void	2565	void
2729	object::play_sound (faceidx sound) const	2566	object::play_sound (faceidx sound) const
2730	{	2567	{
2731	if (!sound)	2568	if (!sound)
2732	return;	2569	return;
2733		2570
2734	if (flag [FLAG_REMOVED])	2571	if (is_on_map ())
		2572	map->play_sound (sound, x, y);
		2573	else if (object *pl = in_player ())
		2574	pl->contr->play_sound (sound);
		2575	}
		2576
		2577	void
		2578	object::say_msg (const char *msg) const
		2579	{
		2580	if (is_on_map ())
		2581	map->say_msg (msg, x, y);
		2582	else if (object *pl = in_player ())
		2583	pl->contr->play_sound (sound);
		2584	}
		2585
		2586	void
		2587	object::make_noise ()
		2588	{
		2589	// we do not model noise in the map, so instead put
		2590	// a temporary light into the noise source
		2591	// could use the map instead, but that's less reliable for our
		2592	// goal, which is to make invisibility a bit harder to exploit
		2593
		2594	// currently only works sensibly for players
		2595	if (!is_player ())
2735	return;	2596	return;
2736		2597
2737	if (env)	2598	// find old force, or create new one
2738	{	2599	object *force = force_find (shstr_noise_force);
2739	if (object *pl = in_player ())	2600
2740	pl->contr->play_sound (sound);	2601	if (force)
2741	}	2602	force->speed_left = -1.f; // patch old speed up
2742	else	2603	else
2743	map->play_sound (sound, x, y);	2604	{
2744	}	2605	force = archetype::get (shstr_noise_force);
2745		2606
		2607	force->slaying = shstr_noise_force;
		2608	force->stats.food = 1;
		2609	force->speed_left = -1.f;
		2610
		2611	force->set_speed (1.f / 4.f);
		2612	force->flag [FLAG_IS_USED_UP] = true;
		2613	force->flag [FLAG_APPLIED] = true;
		2614
		2615	insert (force);
		2616	}
		2617	}
		2618

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