[ViewVC] Diff of: cvs/deliantra/server/common/object.C

Comparing deliantra/server/common/object.C (file contents):
Revision 1.327 by root, Fri Apr 16 02:32:25 2010 UTC vs.
Revision 1.368 by root, Wed Dec 5 19:03:26 2018 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 (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team
4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	5	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team	6	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992 Frank Tore Johansen	7	* Copyright (©) 1992 Frank Tore Johansen
7	*	8	*
8	* Deliantra is free software: you can redistribute it and/or modify it under	9	* Deliantra is free software: you can redistribute it and/or modify it under
9	* the terms of the Affero GNU General Public License as published by the	10	* the terms of the Affero GNU General Public License as published by the
10	* Free Software Foundation, either version 3 of the License, or (at your	11	* Free Software Foundation, either version 3 of the License, or (at your
11	* option) any later version.	12	* option) any later version.
12	*	13	*
13	* This program is distributed in the hope that it will be useful,	14	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	17	* GNU General Public License for more details.
17	*	18	*
18	* You should have received a copy of the Affero GNU General Public License	19	* You should have received a copy of the Affero GNU General Public License
19	* and the GNU General Public License along with this program. If not, see	20	* and the GNU General Public License along with this program. If not, see
20	* <http://www.gnu.org/licenses/>.	21	* <http://www.gnu.org/licenses/>.
21	*	22	*
22	* The authors can be reached via e-mail to <support@deliantra.net>	23	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	24	*/
24		25
25	#include <global.h>	26	#include <global.h>
26	#include <stdio.h>	27	#include <stdio.h>
45	uint32_t object::create_count;	46	uint32_t object::create_count;
46	uint32_t object::destroy_count;	47	uint32_t object::destroy_count;
47		48
48	//+GPL	49	//+GPL
49		50
50	short freearr_x[SIZEOFFREE] = {	51	int freearr_x[SIZEOFFREE] = {
51	0,	52	0,
52	0, 1, 1, 1, 0, -1, -1, -1,	53	0, 1, 1, 1, 0, -1, -1, -1,
53	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	54	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
54	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	55	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
55	};	56	};
56	short freearr_y[SIZEOFFREE] = {	57	int freearr_y[SIZEOFFREE] = {
57	0,	58	0,
58	-1, -1, 0, 1, 1, 1, 0, -1,	59	-1, -1, 0, 1, 1, 1, 0, -1,
59	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	60	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
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	61	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
61	};	62	};
…		…
71	9, 10, 13, 14, 17, 18, 21, 22,	72	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	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	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	};
75		76
		77	const char *wall_suffix[16] = {
		78	"0",
		79	"1_3",
		80	"1_4",
		81	"2_1_2",
		82	"1_2",
		83	"2_2_4",
		84	"2_2_1",
		85	"3_1",
		86	"1_1",
		87	"2_2_3",
		88	"2_2_2",
		89	"3_3",
		90	"2_1_1",
		91	"3_4",
		92	"3_2",
		93	"4"
		94	};
		95
76	static void	96	static void
77	write_uuid (uval64 skip, bool sync)	97	write_uuid (uval64 skip, bool sync)
78	{	98	{
79	CALL_BEGIN (2);	99	CALL_BEGIN (2);
80	CALL_ARG_SV (newSVval64 (skip));	100	CALL_ARG_SV (newSVval64 (skip));
…		…
129	{	149	{
130	UUID uid;	150	UUID uid;
131		151
132	uid.seq = ++cur.seq;	152	uid.seq = ++cur.seq;
133		153
134	if (expect_false (cur.seq >= seq_next_save))	154	if (ecb_expect_false (cur.seq >= seq_next_save))
135	{	155	{
136	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);	156	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
137	write_uuid (UUID_GAP, false);	157	write_uuid (UUID_GAP, false);
138	}	158	}
139		159
…		…
214		234
215	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	235	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
216	static bool	236	static bool
217	compare_ob_value_lists_one (const object wants, const object has)	237	compare_ob_value_lists_one (const object wants, const object has)
218	{	238	{
219	/* n-squared behaviour (see kv_get), but I'm hoping both	239	/* n-squared behaviour (see kv.get), but I'm hoping both
220	* objects with lists are rare, and lists stay short. If not, use a	240	* objects with lists are rare, and lists stay short. If not, use a
221	* different structure or at least keep the lists sorted...	241	* different structure or at least keep the lists sorted...
222	*/	242	*/
223		243
224	/* For each field in wants, */	244	/* For each field in wants, */
225	for (key_value *kv = wants->key_values; kv; kv = kv->next)	245	for (key_value *kv = wants->kv.first; kv; kv = kv->next)
226	if (has->kv_get (kv->key) != kv->value)	246	if (has->kv.get (kv->key) != kv->value)
227	return false;	247	return false;
228		248
229	/* If we get here, every field in wants has a matching field in has. */	249	/* If we get here, every field in wants has a matching field in has. */
230	return true;	250	return true;
231	}	251	}
…		…
255	*/	275	*/
256	bool object::can_merge_slow (object ob1, object ob2)	276	bool object::can_merge_slow (object ob1, object ob2)
257	{	277	{
258	/* A couple quick sanity checks */	278	/* A couple quick sanity checks */
259	if (ob1 == ob2	279	if (ob1 == ob2
260	\|\| ob1->type != ob2->type	280	\|\| ob1->type != ob2->type
261	\|\| ob1->value != ob2->value	281	\|\| ob1->value != ob2->value
262	\|\| ob1->name != ob2->name	282	\|\| ob1->name != ob2->name
		283	\|\| ob1->custom_name != ob2->custom_name
263	\|\| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)	284	\|\| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
264	return 0;	285	return 0;
265		286
266	/* Do not merge objects if nrof would overflow, assume nrof	287	/* Do not merge objects if nrof would overflow, assume nrof
267	* is always 0 .. 2*31-1 /	288	* is always 0 .. 2*31-1 /
…		…
331	/* inventory ok - still need to check rest of this object to see	352	/* inventory ok - still need to check rest of this object to see
332	* if it is valid.	353	* if it is valid.
333	*/	354	*/
334	}	355	}
335		356
336	/* Don't merge objects that are applied. With the new 'body' code,	357	/* Don't merge objects that are applied. With the new 'body' code,
337	* it is possible for most any character to have more than one of	358	* it is possible for most any character to have more than one of
338	* some items equipped, and we don't want those to merge.	359	* some items equipped, and we don't want those to merge.
339	*/	360	*/
340	if (ob1->flag [FLAG_APPLIED] \|\| ob2->flag [FLAG_APPLIED])	361	if (ob1->flag [FLAG_APPLIED] \|\| ob2->flag [FLAG_APPLIED])
341	return 0;	362	return 0;
342		363
343	/* Note sure why the following is the case - either the object has to	364	/* Not sure why the following is the case - either the object has to
344	* be animated or have a very low speed. Is this an attempted monster	365	* be animated or have a very low speed. Is this an attempted monster
345	* check?	366	* check?
346	*/	367	*/
347	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())	368	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
348	return 0;	369	return 0;
349		370
…		…
353	if (ob1->level != ob2->level)	374	if (ob1->level != ob2->level)
354	return 0;	375	return 0;
355	break;	376	break;
356	}	377	}
357		378
358	if (ob1->key_values \|\| ob2->key_values)	379	if (!ob1->kv.empty () \|\| !ob2->kv.empty ())
359	{	380	{
360	/* At least one of these has key_values. */	381	/* At least one of these has key_values. */
361	if ((!ob1->key_values) != (!ob2->key_values))	382	if (ob1->kv.empty () != ob2->kv.empty ())
362	return 0; /* One has fields, but the other one doesn't. */	383	return 0; /* One has fields, but the other one doesn't. */
363		384
364	if (!compare_ob_value_lists (ob1, ob2))	385	if (!compare_ob_value_lists (ob1, ob2))
365	return 0;	386	return 0;
366	}	387	}
…		…
426		447
427	return 0;	448	return 0;
428	}	449	}
429		450
430	// adjust weight per container type ("of holding")	451	// adjust weight per container type ("of holding")
431	static sint32	452	static weight_t
432	weight_adjust_for (object *op, sint32 weight)	453	weight_adjust_for (object *op, weight_t weight)
433	{	454	{
434	return op->type == CONTAINER	455	if (op->type == CONTAINER)
435	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)	456	weight -= weight * op->stats.Str / 100;
436	: weight;
437	}
438		457
		458	return weight;
		459	}
		460
439	/*	461	/*
440	* adjust_weight(object, weight) adds the specified weight to an object,	462	* subtracts, then adds, the specified weight to an object,
441	* and also updates how much the environment(s) is/are carrying.	463	* and also updates how much the environment(s) is/are carrying.
442	*/	464	*/
443	static void	465	static void
444	adjust_weight (object *op, sint32 weight)	466	adjust_weight (object *op, weight_t sub, weight_t add)
445	{	467	{
446	while (op)	468	while (op)
447	{	469	{
448	// adjust by actual difference to account for rounding errors	470	weight_t carrying = (weight_t)op->carrying
449	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct	471	- weight_adjust_for (op, sub)
450	weight = weight_adjust_for (op, op->carrying)	472	+ weight_adjust_for (op, add);
451	- weight_adjust_for (op, op->carrying - weight);
452		473
453	if (!weight)	474	sub = op->carrying;
454	return;
455
456	op->carrying += weight;	475	op->carrying = carrying;
		476	add = op->carrying;
457		477
458	if (object *pl = op->visible_to ())	478	if (object *pl = op->visible_to ())
459	if (pl != op) // player is handled lazily	479	if (pl != op) // player is handled lazily
460	esrv_update_item (UPD_WEIGHT, pl, op);	480	esrv_update_item (UPD_WEIGHT, pl, op);
461		481
…		…
469	* containers are carrying, and sums it up.	489	* containers are carrying, and sums it up.
470	*/	490	*/
471	void	491	void
472	object::update_weight ()	492	object::update_weight ()
473	{	493	{
474	sint32 sum = 0;	494	weight_t sum = 0;
475		495
476	for (object *op = inv; op; op = op->below)	496	for (object *op = inv; op; op = op->below)
477	{	497	{
478	if (op->inv)
479	op->update_weight ();	498	op->update_weight ();
480		499
481	sum += op->total_weight ();	500	sum += weight_adjust_for (this, op->total_weight ());
482	}	501	}
483
484	sum = weight_adjust_for (this, sum);
485		502
486	if (sum != carrying)	503	if (sum != carrying)
487	{	504	{
488	if (carrying != sum)//D	505	if (carrying != sum && carrying)//D
489	LOG (llevDebug, "updating weight got %ld, expected %ld (%s)\n",	506	LOG (llevDebug, "updating carrying got %ld, expected %ld (%s)\n",
490	(long long)sum, (long long)carrying, debug_desc ());	507	(long long)sum, (long long)carrying, debug_desc ());
491		508
492	carrying = sum;	509	carrying = sum;
493		510
494	if (object *pl = visible_to ())	511	if (object *pl = visible_to ())
…		…
582	LOG (llevError \| logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());	599	LOG (llevError \| logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
583	return;	600	return;
584	}	601	}
585		602
586	this->owner = owner;	603	this->owner = owner;
587	}
588
589	/* Zero the key_values on op, decrementing the shared-string
590	* refcounts and freeing the links.
591	*/
592	static void
593	free_key_values (object *op)
594	{
595	for (key_value *i = op->key_values; i; )
596	{
597	key_value *next = i->next;
598	delete i;
599
600	i = next;
601	}
602
603	op->key_values = 0;
604	}	604	}
605		605
606	/*	606	/*
607	* copy_to first frees everything allocated by the dst object,	607	* copy_to first frees everything allocated by the dst object,
608	* and then copies the contents of itself into the second	608	* and then copies the contents of itself into the second
…		…
614	void	614	void
615	object::copy_to (object *dst)	615	object::copy_to (object *dst)
616	{	616	{
617	dst->remove ();	617	dst->remove ();
618	(object_copy )dst = *this;	618	(object_copy )dst = *this;
		619
		620	// maybe move to object_copy?
		621	dst->kv = kv;
		622
619	dst->flag [FLAG_REMOVED] = true;	623	dst->flag [FLAG_REMOVED] = true;
620
621	/* Copy over key_values, if any. */
622	if (key_values)
623	{
624	key_value *tail = 0;
625	dst->key_values = 0;
626
627	for (key_value *i = key_values; i; i = i->next)
628	{
629	key_value *new_link = new key_value;
630
631	new_link->next = 0;
632	new_link->key = i->key;
633	new_link->value = i->value;
634
635	/* Try and be clever here, too. */
636	if (!dst->key_values)
637	{
638	dst->key_values = new_link;
639	tail = new_link;
640	}
641	else
642	{
643	tail->next = new_link;
644	tail = new_link;
645	}
646	}
647	}
648
649	dst->activate ();	624	dst->activate ();
650	}	625	}
651		626
652	void	627	void
653	object::instantiate ()	628	object::instantiate ()
654	{	629	{
655	if (!uuid.seq) // HACK	630	if (!uuid.seq) // HACK
656	uuid = UUID::gen ();	631	uuid = UUID::gen ();
657		632
658	// TODO: unclean state changes, should nt be done in copy_to AND instantiate	633	// TODO: unclean state changes, should not be done in copy_to AND instantiate
659	if (flag [FLAG_RANDOM_SPEED] && speed)	634	if (flag [FLAG_RANDOM_SPEED] && speed)
660	speed_left = - speed - rndm (); // TODO animation	635	speed_left = - speed - rndm (); // TODO animation
661	else	636	else
662	speed_left = -1.;	637	speed_left = -1.;
663		638
664	/* copy the body_info to the body_used - this is only really	639	/* copy the body_info to the body_used - this is only really
665	* need for monsters, but doesn't hurt to do it for everything.	640	* need for monsters, but doesn't hurt to do it for everything.
666	* by doing so, when a monster is created, it has good starting	641	* by doing so, when a monster is created, it has good starting
667	* values for the body_used info, so when items are created	642	* values for the body_used info, so when items are created
668	* for it, they can be properly equipped.	643	* for it, they can be properly equipped.
669	*/	644	*/
670	for (int i = NUM_BODY_LOCATIONS; i--; )	645	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
671	slot[i].used = slot[i].info;	646	slot[i].used = slot[i].info;
672		647
673	attachable::instantiate ();	648	attachable::instantiate ();
674	}	649	}
675		650
…		…
685		660
686	neu->map = map; // not copied by copy_to	661	neu->map = map; // not copied by copy_to
687	return neu;	662	return neu;
688	}	663	}
689		664
		665	// update the anhimation frame of an object, but only if it has an animation
		666	// assigned and the frame number if within the animation.
		667	void object::update_anim_frame (int frame)
		668	{
		669	if (ecb_expect_false (!has_anim () \|\| frame >= anim_frames ()))
		670	return;
		671
		672	set_anim_frame (frame);
		673	update_object (this, UP_OBJ_FACE);
		674	}
		675
690	/*	676	/*
691	* If an object with the IS_TURNABLE() flag needs to be turned due	677	* If an object with the IS_TURNABLE() flag needs to be turned due
692	* to the closest player being on the other side, this function can	678	* to the closest player being on the other side, this function can
693	* be called to update the face variable, _and_ how it looks on the map.	679	* be called to update the face variable, _and_ how it looks on the map.
694	*/	680	*/
…		…
696	update_turn_face (object *op)	682	update_turn_face (object *op)
697	{	683	{
698	if (!op->flag [FLAG_IS_TURNABLE] \|\| !op->arch)	684	if (!op->flag [FLAG_IS_TURNABLE] \|\| !op->arch)
699	return;	685	return;
700		686
701	SET_ANIMATION (op, op->direction);	687	op->update_anim_frame (op->direction);
702	update_object (op, UP_OBJ_FACE);
703	}	688	}
704		689
705	/*	690	/*
706	* Updates the speed of an object. If the speed changes from 0 to another	691	* Updates the speed of an object. If the speed changes from 0 to another
707	* value, or vice versa, then add/remove the object from the active list.	692	* value, or vice versa, then add/remove the object from the active list.
…		…
717	else	702	else
718	deactivate ();	703	deactivate ();
719	}	704	}
720		705
721	/*	706	/*
722	* update_object() updates the the map.	707	* update_object() updates the map.
723	* It takes into account invisible objects (and represent squares covered	708	* It takes into account invisible objects (and represent squares covered
724	* by invisible objects by whatever is below them (unless it's another	709	* by invisible objects by whatever is below them (unless it's another
725	* invisible object, etc...)	710	* invisible object, etc...)
726	* If the object being updated is beneath a player, the look-window	711	* If the object being updated is beneath a player, the look-window
727	* of that player is updated (this might be a suboptimal way of	712	* of that player is updated (this might be a suboptimal way of
…		…
764	}	749	}
765		750
766	mapspace &m = op->ms ();	751	mapspace &m = op->ms ();
767		752
768	if (!(m.flags_ & P_UPTODATE))	753	if (!(m.flags_ & P_UPTODATE))
769	/* nop */;	754	m.update_up (); // nothing to do except copy up
770	else if (action == UP_OBJ_INSERT)	755	else if (action == UP_OBJ_INSERT)
771	{	756	{
772	#if 0	757	#if 0
773	// this is likely overkill, TODO: revisit (schmorp)	758	// this is likely overkill, TODO: revisit (schmorp)
774	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))	759	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
…		…
779	\|\| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))	764	\|\| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
780	\|\| (m.move_on \| op->move_on ) != m.move_on	765	\|\| (m.move_on \| op->move_on ) != m.move_on
781	\|\| (m.move_off \| op->move_off ) != m.move_off	766	\|\| (m.move_off \| op->move_off ) != m.move_off
782	\|\| (m.move_slow \| op->move_slow) != m.move_slow	767	\|\| (m.move_slow \| op->move_slow) != m.move_slow
783	/* This isn't perfect, but I don't expect a lot of objects to	768	/* This isn't perfect, but I don't expect a lot of objects to
784	* have move_allow right now.	769	* have move_allow right now.
785	*/	770	*/
786	\|\| ((m.move_block \| op->move_block) & ~op->move_allow) != m.move_block	771	\|\| ((m.move_block \| op->move_block) & ~op->move_allow) != m.move_block
787	m.invalidate ();	772	m.invalidate ();
788	#else	773	#else
789	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)	774	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
…		…
795	* that is being removed.	780	* that is being removed.
796	*/	781	*/
797	else if (action == UP_OBJ_CHANGE \|\| action == UP_OBJ_REMOVE)	782	else if (action == UP_OBJ_CHANGE \|\| action == UP_OBJ_REMOVE)
798	m.invalidate ();	783	m.invalidate ();
799	else if (action == UP_OBJ_FACE)	784	else if (action == UP_OBJ_FACE)
800	/* Nothing to do for that case */ ;	785	m.update_up (); // nothing to do for that case, except copy up
801	else	786	else
802	LOG (llevError, "update_object called with invalid action: %d\n", action);	787	LOG (llevError, "update_object called with invalid action: %d\n", action);
803		788
804	if (op->more)	789	if (op->more)
805	update_object (op->more, action);	790	update_object (op->more, action);
…		…
816		801
817	object::~object ()	802	object::~object ()
818	{	803	{
819	unlink ();	804	unlink ();
820		805
821	free_key_values (this);	806	kv.clear ();
822	}	807	}
823		808
824	void object::link ()	809	void object::link ()
825	{	810	{
826	assert (!index);//D	811	assert (!index);//D
…		…
869	op->activate_recursive ();	854	op->activate_recursive ();
870	}	855	}
871		856
872	/* This function removes object 'op' from the list of active	857	/* This function removes object 'op' from the list of active
873	* objects.	858	* objects.
874	* This should only be used for style maps or other such	859	* This should only be used for style maps or other such
875	* reference maps where you don't want an object that isn't	860	* reference maps where you don't want an object that isn't
876	* in play chewing up cpu time getting processed.	861	* in play chewing up cpu time getting processed.
877	* The reverse of this is to call update_ob_speed, which	862	* The reverse of this is to call update_ob_speed, which
878	* will do the right thing based on the speed of the object.	863	* will do the right thing based on the speed of the object.
879	*/	864	*/
…		…
925	* if some form of movement is allowed, let objects	910	* if some form of movement is allowed, let objects
926	* drop on that space.	911	* drop on that space.
927	*/	912	*/
928	if (!drop_to_ground	913	if (!drop_to_ground
929	\|\| !map	914	\|\| !map
930	\|\| map->in_memory != MAP_ACTIVE	915	\|\| !map->linkable ()
931	\|\| map->no_drop	916	\|\| map->no_drop
932	\|\| ms ().move_block == MOVE_ALL)	917	\|\| ms ().move_block == MOVE_ALL)
933	{	918	{
934	while (inv)	919	while (inv)
935	inv->destroy ();	920	inv->destroy ();
…		…
1032		1017
1033	freelist = li;	1018	freelist = li;
1034	++free_count;	1019	++free_count;
1035	}	1020	}
1036		1021
1037	static struct freed_map : maptile
1038	{
1039	freed_map ()
1040	: maptile (3, 3)
1041	{
1042	path = "<freed objects map>";
1043	name = "/internal/freed_objects_map";
1044	no_drop = 1;
1045	no_reset = 1;
1046
1047	in_memory = MAP_ACTIVE;
1048	}
1049
1050	~freed_map ()
1051	{
1052	destroy ();
1053	}
1054	} freed_map; // freed objects are moved here to avoid crashes
1055
1056	void	1022	void
1057	object::do_destroy ()	1023	object::do_destroy ()
1058	{	1024	{
1059	if (flag [FLAG_IS_LINKED])	1025	if (flag [FLAG_IS_LINKED])
1060	remove_link ();	1026	remove_link ();
…		…
1133	flag [FLAG_REMOVED] = true;	1099	flag [FLAG_REMOVED] = true;
1134		1100
1135	if (more)	1101	if (more)
1136	more->remove ();	1102	more->remove ();
1137		1103
1138	/*	1104	/*
1139	* In this case, the object to be removed is in someones	1105	* In this case, the object to be removed is in someones
1140	* inventory.	1106	* inventory.
1141	*/	1107	*/
1142	if (env)	1108	if (env)
1143	{	1109	{
1144	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed	1110	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1145	if (object *pl = visible_to ())	1111	if (object *pl = visible_to ())
1146	esrv_del_item (pl->contr, count);	1112	esrv_del_item (pl->contr, count);
1147	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed	1113	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1148		1114
1149	adjust_weight (env, -total_weight ());	1115	adjust_weight (env, total_weight (), 0);
1150		1116
1151	object *pl = in_player ();	1117	object *pl = in_player ();
1152		1118
1153	/* we set up values so that it could be inserted into	1119	/* we set up values so that it could be inserted into
1154	* the map, but we don't actually do that - it is up	1120	* the map, but we don't actually do that - it is up
…		…
1166	below = 0;	1132	below = 0;
1167	env = 0;	1133	env = 0;
1168		1134
1169	if (pl && pl->is_player ())	1135	if (pl && pl->is_player ())
1170	{	1136	{
1171	if (expect_false (pl->contr->combat_ob == this))	1137	if (ecb_expect_false (pl->contr->combat_ob == this))
1172	{	1138	{
1173	pl->apply (pl->contr->combat_ob, AP_UNAPPLY);	1139	pl->apply (pl->contr->combat_ob, AP_UNAPPLY \| AP_IGNORE_CURSE);
1174	pl->contr->combat_ob = 0;	1140	pl->contr->combat_ob = 0;
1175	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);	1141	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
1176	}	1142	}
1177		1143
1178	if (expect_false (pl->contr->ranged_ob == this))	1144	if (ecb_expect_false (pl->contr->ranged_ob == this))
1179	{	1145	{
1180	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY);	1146	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY \| AP_IGNORE_CURSE);
1181	pl->contr->ranged_ob = 0;	1147	pl->contr->ranged_ob = 0;
1182	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);	1148	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
1183	}	1149	}
1184		1150
1185	pl->contr->queue_stats_update ();	1151	pl->contr->queue_stats_update ();
1186		1152
1187	if (expect_false (glow_radius) && pl->is_on_map ())	1153	if (ecb_expect_false (glow_radius) && pl->is_on_map ())
1188	update_all_los (pl->map, pl->x, pl->y);	1154	update_all_los (pl->map, pl->x, pl->y);
1189	}	1155	}
1190	}	1156	}
1191	else if (map)	1157	else if (map)
1192	{	1158	{
…		…
1225		1191
1226	above = 0;	1192	above = 0;
1227	below = 0;	1193	below = 0;
1228		1194
1229	ms.invalidate ();	1195	ms.invalidate ();
1230
1231	if (map->in_memory == MAP_SAVING)
1232	return;
1233		1196
1234	int check_walk_off = !flag [FLAG_NO_APPLY];	1197	int check_walk_off = !flag [FLAG_NO_APPLY];
1235		1198
1236	if (object *pl = ms.player ())	1199	if (object *pl = ms.player ())
1237	{	1200	{
…		…
1372	{	1335	{
1373	op->remove ();	1336	op->remove ();
1374		1337
1375	if (m == &freed_map)//D TODO: remove soon	1338	if (m == &freed_map)//D TODO: remove soon
1376	{//D	1339	{//D
1377	LOG (llevError \| logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D	1340	LOG (llevError \| logBacktrace, "tries to insert object on freed objects map: %s", op->debug_desc ());//D
1378	}//D	1341	}//D
1379		1342
1380	/* Ideally, the caller figures this out. However, it complicates a lot	1343	/* Ideally, the caller figures this out. However, it complicates a lot
1381	* of areas of callers (eg, anything that uses find_free_spot would now	1344	* of areas of callers (eg, anything that uses find_free_spot would now
1382	* need extra work	1345	* need extra work
…		…
1451	* We've already dealt with merging if appropriate.	1414	* We've already dealt with merging if appropriate.
1452	* Generally, we want to put the new object on top. But if	1415	* Generally, we want to put the new object on top. But if
1453	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1416	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
1454	* floor, we want to insert above that and no further.	1417	* floor, we want to insert above that and no further.
1455	* Also, if there are spell objects on this space, we stop processing	1418	* Also, if there are spell objects on this space, we stop processing
1456	* once we get to them. This reduces the need to traverse over all of	1419	* once we get to them. This reduces the need to traverse over all of
1457	* them when adding another one - this saves quite a bit of cpu time	1420	* them when adding another one - this saves quite a bit of cpu time
1458	* when lots of spells are cast in one area. Currently, it is presumed	1421	* when lots of spells are cast in one area. Currently, it is presumed
1459	* that flying non pickable objects are spell objects.	1422	* that flying non pickable objects are spell objects.
1460	*/	1423	*/
1461	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1424	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
…		…
1572	*/	1535	*/
1573		1536
1574	/* if this is not the head or flag has been passed, don't check walk on status */	1537	/* if this is not the head or flag has been passed, don't check walk on status */
1575	if (!(flag & INS_NO_WALK_ON) && op->is_head ())	1538	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1576	{	1539	{
1577	if (check_move_on (op, originator))	1540	if (check_move_on (op, originator, flag))
1578	return 0;	1541	return 0;
1579		1542
1580	/* If we are a multi part object, lets work our way through the check	1543	/* If we are a multi part object, let's work our way through the check
1581	* walk on's.	1544	* walk on's.
1582	*/	1545	*/
1583	for (object *tmp = op->more; tmp; tmp = tmp->more)	1546	for (object *tmp = op->more; tmp; tmp = tmp->more)
1584	if (check_move_on (tmp, originator))	1547	if (check_move_on (tmp, originator, flag))
1585	return 0;	1548	return 0;
1586	}	1549	}
1587		1550
1588	return op;	1551	return op;
1589	}	1552	}
1590		1553
1591	/* this function inserts an object in the map, but if it	1554	/* this function inserts an object in the map, but if it
1592	* finds an object of its own type, it'll remove that one first.	1555	* finds an object of its own type, it'll remove that one first.
1593	* op is the object to insert it under: supplies x and the map.	1556	* op is the object to insert it under: supplies x and the map.
1594	*/	1557	*/
1595	void	1558	void
1596	replace_insert_ob_in_map (shstr_tmp archname, object *op)	1559	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1597	{	1560	{
…		…
1629	if (!items // testing !items ensures we can drop at least one item	1592	if (!items // testing !items ensures we can drop at least one item
1630	\|\| (items < m->max_items	1593	\|\| (items < m->max_items
1631	&& ms.volume () < m->max_volume))	1594	&& ms.volume () < m->max_volume))
1632	return true;	1595	return true;
1633		1596
1634	if (originator && originator->is_player ())	1597	if (originator)
1635	originator->contr->failmsgf (	1598	originator->failmsgf (
1636	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",	1599	"No matter how hard you try, you just cannot put the %s here! H<Try to remove some items from the floor first.>",
1637	query_name ()	1600	query_name ()
1638	);	1601	);
1639		1602
1640	return false;	1603	return false;
1641	}	1604	}
…		…
1655		1618
1656	nr = min (nr, nrof);	1619	nr = min (nr, nrof);
1657		1620
1658	if (nrof > nr)	1621	if (nrof > nr)
1659	{	1622	{
		1623	weight_t oweight = total_weight ();
		1624
1660	nrof -= nr;	1625	nrof -= nr;
1661	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
1662		1626
1663	if (object *pl = visible_to ())	1627	if (object *pl = visible_to ())
1664	esrv_update_item (UPD_NROF, pl, this);	1628	esrv_update_item (UPD_NROF, pl, this);
		1629
		1630	adjust_weight (env, oweight, total_weight ());
1665		1631
1666	return true;	1632	return true;
1667	}	1633	}
1668	else	1634	else
1669	{	1635	{
…		…
1723	/*	1689	/*
1724	* env->insert (op)	1690	* env->insert (op)
1725	* This function inserts the object op in the linked list	1691	* This function inserts the object op in the linked list
1726	* inside the object environment.	1692	* inside the object environment.
1727	*	1693	*
1728	* The function returns now pointer to inserted item, and return value can	1694	* The function returns now pointer to inserted item, and return value can
1729	* be != op, if items are merged. -Tero	1695	* be != op, if items are merged. -Tero
1730	*/	1696	*/
1731	object *	1697	object *
1732	object::insert (object *op)	1698	object::insert (object *op)
1733	{	1699	{
…		…
1744	if (op->nrof)	1710	if (op->nrof)
1745	for (object *tmp = inv; tmp; tmp = tmp->below)	1711	for (object *tmp = inv; tmp; tmp = tmp->below)
1746	if (object::can_merge (tmp, op))	1712	if (object::can_merge (tmp, op))
1747	{	1713	{
1748	/* return the original object and remove inserted object	1714	/* return the original object and remove inserted object
1749	(client needs the original object) */	1715	(client prefers the original object) */
		1716
		1717	// carrying must be 0 for mergable objects
		1718	weight_t oweight = weight_t (tmp->weight) * tmp->nrof;
		1719
1750	tmp->nrof += op->nrof;	1720	tmp->nrof += op->nrof;
1751		1721
1752	if (object *pl = tmp->visible_to ())	1722	if (object *pl = tmp->visible_to ())
1753	esrv_update_item (UPD_NROF, pl, tmp);	1723	esrv_update_item (UPD_NROF, pl, tmp);
1754		1724
1755	adjust_weight (this, op->total_weight ());	1725	adjust_weight (this, oweight, weight_t (tmp->weight) * tmp->nrof);
1756		1726
1757	op->destroy ();	1727	op->destroy ();
1758	op = tmp;	1728	op = tmp;
1759	goto inserted;	1729	goto inserted;
1760	}	1730	}
…		…
1776	op->flag [FLAG_REMOVED] = 0;	1746	op->flag [FLAG_REMOVED] = 0;
1777		1747
1778	if (object *pl = op->visible_to ())	1748	if (object *pl = op->visible_to ())
1779	esrv_send_item (pl, op);	1749	esrv_send_item (pl, op);
1780		1750
1781	adjust_weight (this, op->total_weight ());	1751	adjust_weight (this, 0, op->total_weight ());
1782		1752
1783	inserted:	1753	inserted:
1784	/* reset the light list and los of the players on the map */	1754	/* reset the light list and los of the players on the map */
1785	if (op->glow_radius && is_on_map ())	1755	if (op->glow_radius && is_on_map ())
1786	{	1756	{
…		…
1815	* MSW 2001-07-08: Check all objects on space, not just those below	1785	* MSW 2001-07-08: Check all objects on space, not just those below
1816	* object being inserted. insert_ob_in_map may not put new objects	1786	* object being inserted. insert_ob_in_map may not put new objects
1817	* on top.	1787	* on top.
1818	*/	1788	*/
1819	int	1789	int
1820	check_move_on (object op, object originator)	1790	check_move_on (object op, object originator, int flags)
1821	{	1791	{
1822	if (op->flag [FLAG_NO_APPLY])	1792	if (op->flag [FLAG_NO_APPLY])
1823	return 0;	1793	return 0;
1824		1794
1825	object *tmp;	1795	object *tmp;
…		…
1849	*/	1819	*/
1850	if ((op->move_type & ~move_on & ~move_block) != 0 && (op->move_type & ~move_slow & ~move_block) != 0)	1820	if ((op->move_type & ~move_on & ~move_block) != 0 && (op->move_type & ~move_slow & ~move_block) != 0)
1851	return 0;	1821	return 0;
1852		1822
1853	/* The objects have to be checked from top to bottom.	1823	/* The objects have to be checked from top to bottom.
1854	* Hence, we first go to the top:	1824	* Hence, we first go to the top:
1855	*/	1825	*/
1856	for (object next, tmp = ms.top; tmp; tmp = next)	1826	for (object next, tmp = ms.top; tmp; tmp = next)
1857	{	1827	{
1858	next = tmp->below;	1828	next = tmp->below;
1859		1829
…		…
1884		1854
1885	/* Basically same logic as above, except now for actual apply. */	1855	/* Basically same logic as above, except now for actual apply. */
1886	if ((!op->move_type && tmp->move_on & MOVE_WALK) \|\|	1856	if ((!op->move_type && tmp->move_on & MOVE_WALK) \|\|
1887	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1857	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1888	{	1858	{
		1859	if ((flags & INS_NO_AUTO_EXIT)
		1860	&& (tmp->type == EXIT \|\| tmp->type == TELEPORTER
		1861	\|\| tmp->type == HOLE \|\| tmp->type == TRAPDOOR)) //TODO: temporary, fix exits instead
		1862	continue;
		1863
1889	move_apply (tmp, op, originator);	1864	move_apply (tmp, op, originator);
1890		1865
1891	if (op->destroyed ())	1866	if (op->destroyed ())
1892	return 1;	1867	return 1;
1893		1868
…		…
2038	* inform the caller. However, insert_ob_in_map will update as	2013	* inform the caller. However, insert_ob_in_map will update as
2039	* necessary, so the caller shouldn't need to do any special work.	2014	* necessary, so the caller shouldn't need to do any special work.
2040	* Note - updated to take an object instead of archetype - this is necessary	2015	* Note - updated to take an object instead of archetype - this is necessary
2041	* because arch_blocked (now ob_blocked) needs to know the movement type	2016	* because arch_blocked (now ob_blocked) needs to know the movement type
2042	* to know if the space in question will block the object. We can't use	2017	* to know if the space in question will block the object. We can't use
2043	* the archetype because that isn't correct if the monster has been	2018	* the archetype because that isn't correct if the monster has been
2044	* customized, changed states, etc.	2019	* customized, changed states, etc.
2045	*/	2020	*/
2046	int	2021	int
2047	find_free_spot (const object ob, maptile m, int x, int y, int start, int stop)	2022	find_free_spot (const object ob, maptile m, int x, int y, int start, int stop)
2048	{	2023	{
2049	int altern[SIZEOFFREE];	2024	int altern[SIZEOFFREE];
2050	int index = 0, flag;	2025	int index = 0;
2051		2026
2052	for (int i = start; i < stop; i++)	2027	for (int i = start; i < stop; i++)
2053	{	2028	{
2054	mapxy pos (m, x, y); pos.move (i);	2029	mapxy pos (m, x, y); pos.move (i);
2055		2030
…		…
2071	continue;	2046	continue;
2072	}	2047	}
2073		2048
2074	/* Basically, if we find a wall on a space, we cut down the search size.	2049	/* Basically, if we find a wall on a space, we cut down the search size.
2075	* In this way, we won't return spaces that are on another side of a wall.	2050	* In this way, we won't return spaces that are on another side of a wall.
2076	* This mostly work, but it cuts down the search size in all directions -	2051	* This mostly work, but it cuts down the search size in all directions -
2077	* if the space being examined only has a wall to the north and empty	2052	* if the space being examined only has a wall to the north and empty
2078	* spaces in all the other directions, this will reduce the search space	2053	* spaces in all the other directions, this will reduce the search space
2079	* to only the spaces immediately surrounding the target area, and	2054	* to only the spaces immediately surrounding the target area, and
2080	* won't look 2 spaces south of the target space.	2055	* won't look 2 spaces south of the target space.
2081	*/	2056	*/
…		…
2111	*/	2086	*/
2112	int	2087	int
2113	find_first_free_spot (const object ob, maptile m, int x, int y)	2088	find_first_free_spot (const object ob, maptile m, int x, int y)
2114	{	2089	{
2115	for (int i = 0; i < SIZEOFFREE; i++)	2090	for (int i = 0; i < SIZEOFFREE; i++)
2116	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))	2091	if (!ob->blocked (m, x + DIRX (i), y + DIRY (i)))
2117	return i;	2092	return i;
2118		2093
2119	return -1;	2094	return -1;
2120	}	2095	}
2121		2096
…		…
2132		2107
2133	while (--end)	2108	while (--end)
2134	swap (arr [end], arr [rndm (end + 1)]);	2109	swap (arr [end], arr [rndm (end + 1)]);
2135	}	2110	}
2136		2111
2137	/* new function to make monster searching more efficient, and effective!	2112	/* new function to make monster searching more efficient, and effective!
2138	* This basically returns a randomized array (in the passed pointer) of	2113	* This basically returns a randomized array (in the passed pointer) of
2139	* the spaces to find monsters. In this way, it won't always look for	2114	* the spaces to find monsters. In this way, it won't always look for
2140	* monsters to the north first. However, the size of the array passed	2115	* monsters to the north first. However, the size of the array passed
2141	* covers all the spaces, so within that size, all the spaces within	2116	* covers all the spaces, so within that size, all the spaces within
2142	* the 3x3 area will be searched, just not in a predictable order.	2117	* the 3x3 area will be searched, just not in a predictable order.
…		…
2167	* there is capable of.	2142	* there is capable of.
2168	*/	2143	*/
2169	int	2144	int
2170	find_dir (maptile m, int x, int y, object exclude)	2145	find_dir (maptile m, int x, int y, object exclude)
2171	{	2146	{
2172	int max = SIZEOFFREE, mflags;	2147	int max = SIZEOFFREE;
2173	MoveType move_type;	2148	MoveType move_type;
2174		2149
2175	if (exclude && exclude->head_ () != exclude)	2150	if (exclude && exclude->head_ () != exclude)
2176	{	2151	{
2177	exclude = exclude->head;	2152	exclude = exclude->head;
…		…
2218	{	2193	{
2219	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2194	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2220	}	2195	}
2221		2196
2222	/*	2197	/*
2223	* find_dir_2(delta-x,delta-y) will return a direction in which	2198	* find_dir_2(delta-x,delta-y) will return a direction value
2224	* an object which has subtracted the x and y coordinates of another	2199	* for running into direct [dx, dy].
2225	* object, needs to travel toward it.	2200	* (the opposite of crossfire's find_dir_2!)
2226	*/	2201	*/
2227	int	2202	int
2228	find_dir_2 (int x, int y)	2203	find_dir_2 (int x, int y)
2229	{	2204	{
		2205	#if 1 // new algorithm
		2206	// this works by putting x, y into 16 sectors, which
		2207	// are not equal sized, but are a better approximation
		2208	// then the old algorithm, and then using a mapping
		2209	// table to map it into a direction value.
		2210	// basically, it maps these comparisons to each bit
		2211	// bit #3: x < 0
		2212	// bit #2: y < 0
		2213	// bit #1: x > y
		2214	// bit #0: x > 2y
		2215
		2216	static const uint8 dir[16] = {
		2217	4, 5, 4, 3,
		2218	2, 1, 2, 3,
		2219	6, 5, 6, 7,
		2220	8, 1, 8, 7,
		2221	};
		2222	int sector = 0;
		2223
		2224	// this is a bit ugly, but more likely to result in branchless code
		2225	sector \|= x < 0 ? 8 : 0;
		2226	x = x < 0 ? -x : x; // abs
		2227
		2228	sector \|= y < 0 ? 4 : 0;
		2229	y = y < 0 ? -y : y; // abs
		2230
		2231	if (x > y)
		2232	{
		2233	sector \|= 2;
		2234
		2235	if (x > y * 2)
		2236	sector \|= 1;
		2237	}
		2238	else
		2239	{
		2240	if (y > x * 2)
		2241	sector \|= 1;
		2242	else if (!y)
		2243	return 0; // x == 0 here
		2244	}
		2245
		2246	return dir [sector];
		2247	#else // old algorithm
2230	int q;	2248	int q;
2231		2249
2232	if (y)	2250	if (y)
2233	q = x * 100 / y;	2251	q = 128 * x / y;
2234	else if (x)	2252	else if (x)
2235	q = -300 * x;	2253	q = -512 * x; // to make it > 309
2236	else	2254	else
2237	return 0;	2255	return 0;
2238		2256
2239	if (y > 0)	2257	if (y > 0)
2240	{	2258	{
2241	if (q < -242)	2259	if (q < -309) return 7;
		2260	if (q < -52) return 6;
		2261	if (q < 52) return 5;
		2262	if (q < 309) return 4;
		2263
2242	return 3;	2264	return 3;
2243	if (q < -41)	2265	}
2244	return 2;	2266	else
2245	if (q < 41)	2267	{
2246	return 1;	2268	if (q < -309) return 3;
2247	if (q < 242)	2269	if (q < -52) return 2;
2248	return 8;	2270	if (q < 52) return 1;
		2271	if (q < 309) return 8;
		2272
2249	return 7;	2273	return 7;
2250	}	2274	}
2251		2275	#endif
2252	if (q < -242)
2253	return 7;
2254	if (q < -41)
2255	return 6;
2256	if (q < 41)
2257	return 5;
2258	if (q < 242)
2259	return 4;
2260
2261	return 3;
2262	}	2276	}
2263		2277
2264	/*	2278	/*
2265	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2279	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2266	* between two directions (which are expected to be absolute (see absdir())	2280	* between two directions (which are expected to be absolute (see absdir())
2267	*/	2281	*/
2268	int	2282	int
2269	dirdiff (int dir1, int dir2)	2283	dirdiff (int dir1, int dir2)
2270	{	2284	{
2271	int d;
2272
2273	d = abs (dir1 - dir2);	2285	int d = abs (dir1 - dir2);
2274	if (d > 4)
2275	d = 8 - d;
2276		2286
2277	return d;	2287	return d > 4 ? 8 - d : d;
2278	}	2288	}
2279		2289
2280	/* peterm:	2290	/* peterm:
2281	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2291	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2282	* Basically, this is a table of directions, and what directions	2292	* Basically, this is a table of directions, and what directions
…		…
2351	int mflags;	2361	int mflags;
2352		2362
2353	if (dir < 0)	2363	if (dir < 0)
2354	return 0; /* exit condition: invalid direction */	2364	return 0; /* exit condition: invalid direction */
2355		2365
2356	dx = x + freearr_x[dir];	2366	dx = x + DIRX (dir);
2357	dy = y + freearr_y[dir];	2367	dy = y + DIRY (dir);
2358		2368
2359	mflags = get_map_flags (m, &m, dx, dy, &dx, &dy);	2369	mflags = get_map_flags (m, &m, dx, dy, &dx, &dy);
2360		2370
2361	/* This functional arguably was incorrect before - it was	2371	/* This functional arguably was incorrect before - it was
2362	* checking for P_WALL - that was basically seeing if	2372	* checking for P_WALL - that was basically seeing if
…		…
2393	return /who->flag [FLAG_WIZ]\|\| /	2403	return /who->flag [FLAG_WIZ]\|\| /
2394	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&	2404	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2395	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () \|\| item->weight < who->weight / 3));	2405	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () \|\| item->weight < who->weight / 3));
2396	}	2406	}
2397		2407
		2408	//-GPL
		2409
2398	/*	2410	/*
2399	* create clone from object to another	2411	* create clone from object to another
2400	*/	2412	*/
2401	object *	2413	object *
2402	object::deep_clone ()	2414	object::deep_clone ()
…		…
2432	return tmp;	2444	return tmp;
2433		2445
2434	return 0;	2446	return 0;
2435	}	2447	}
2436		2448
		2449	/* Zero the key_values on op, decrementing the shared-string
		2450	* refcounts and freeing the links.
		2451	*/
		2452	void
		2453	key_values::clear ()
		2454	{
		2455	for (key_value *kvp = first; kvp; )
		2456	{
		2457	key_value *next = kvp->next;
		2458	delete kvp;
		2459	kvp = next;
		2460	}
		2461
		2462	first = 0;
		2463	}
		2464
2437	shstr_tmp	2465	shstr_tmp
2438	object::kv_get (shstr_tmp key) const	2466	key_values::get (shstr_tmp key) const
2439	{	2467	{
2440	for (key_value *kv = key_values; kv; kv = kv->next)	2468	for (key_value *kv = first; kv; kv = kv->next)
2441	if (kv->key == key)	2469	if (kv->key == key)
2442	return kv->value;	2470	return kv->value;
2443		2471
2444	return shstr ();	2472	return shstr ();
2445	}	2473	}
2446		2474
2447	void	2475	void
		2476	key_values::add (shstr_tmp key, shstr_tmp value)
		2477	{
		2478	key_value *kv = new key_value;
		2479
		2480	kv->next = first;
		2481	kv->key = key;
		2482	kv->value = value;
		2483
		2484	first = kv;
		2485	}
		2486
		2487	void
2448	object::kv_set (shstr_tmp key, shstr_tmp value)	2488	key_values::set (shstr_tmp key, shstr_tmp value)
2449	{	2489	{
2450	for (key_value *kv = key_values; kv; kv = kv->next)	2490	for (key_value *kv = first; kv; kv = kv->next)
2451	if (kv->key == key)	2491	if (kv->key == key)
2452	{	2492	{
2453	kv->value = value;	2493	kv->value = value;
2454	return;	2494	return;
2455	}	2495	}
2456		2496
2457	key_value *kv = new key_value;	2497	add (key, value);
2458
2459	kv->next = key_values;
2460	kv->key = key;
2461	kv->value = value;
2462
2463	key_values = kv;
2464	}	2498	}
2465		2499
2466	void	2500	void
2467	object::kv_del (shstr_tmp key)	2501	key_values::del (shstr_tmp key)
2468	{	2502	{
2469	for (key_value *kvp = &key_values; kvp; kvp = &(*kvp)->next)	2503	for (key_value *kvp = &first; kvp; kvp = &(*kvp)->next)
2470	if ((*kvp)->key == key)	2504	if ((*kvp)->key == key)
2471	{	2505	{
2472	key_value kv = kvp;	2506	key_value kv = kvp;
2473	kvp = (kvp)->next;	2507	kvp = (kvp)->next;
2474	delete kv;	2508	delete kv;
2475	return;	2509	return;
2476	}	2510	}
		2511	}
		2512
		2513	void
		2514	key_values::reverse ()
		2515	{
		2516	key_value *prev = 0;
		2517	key_value *head = first;
		2518
		2519	while (head)
		2520	{
		2521	key_value *node = head;
		2522	head = head->next;
		2523	node->next = prev;
		2524	prev = node;
		2525	}
		2526
		2527	first = prev;
		2528	}
		2529
		2530	key_values &
		2531	key_values::operator =(const key_values &kv)
		2532	{
		2533	clear ();
		2534
		2535	for (key_value *kvp = kv.first; kvp; kvp = kvp->next)
		2536	add (kvp->key, kvp->value);
		2537
		2538	reverse ();
		2539
		2540	return *this;
2477	}	2541	}
2478		2542
2479	object::depth_iterator::depth_iterator (object *container)	2543	object::depth_iterator::depth_iterator (object *container)
2480	: iterator_base (container)	2544	: iterator_base (container)
2481	{	2545	{
…		…
2564	object::region () const	2628	object::region () const
2565	{	2629	{
2566	return map ? map->region (x, y)	2630	return map ? map->region (x, y)
2567	: region::default_region ();	2631	: region::default_region ();
2568	}	2632	}
		2633
		2634	//+GPL
2569		2635
2570	void	2636	void
2571	object::open_container (object *new_container)	2637	object::open_container (object *new_container)
2572	{	2638	{
2573	if (container == new_container)	2639	if (container == new_container)
…		…
2631	}	2697	}
2632	// else if (!old_container->env && contr && contr->ns)	2698	// else if (!old_container->env && contr && contr->ns)
2633	// contr->ns->floorbox_reset ();	2699	// contr->ns->floorbox_reset ();
2634	}	2700	}
2635		2701
		2702	//-GPL
		2703
		2704	// prefetch some flat area around the player
		2705	static void
		2706	prefetch_surrounding_area (object op, maptile map, int range)
		2707	{
		2708	for (maprect *rect = map->split_to_tiles (mapwalk_buf,
		2709	op->x - range , op->y - range ,
		2710	op->x + range + 1, op->y + range + 1);
		2711	rect->m;
		2712	++rect)
		2713	{
		2714	rect->m->touch ();
		2715	rect->m->activate ();
		2716	}
		2717	}
		2718
		2719	// prefetch a generous area around the player, also up and down
		2720	void
		2721	object::prefetch_surrounding_maps ()
		2722	{
		2723	prefetch_surrounding_area (this, map, 40);
		2724
		2725	if (maptile *m = map->tile_available (TILE_DOWN))
		2726	prefetch_surrounding_area (this, m, 20);
		2727
		2728	if (maptile *m = map->tile_available (TILE_UP))
		2729	prefetch_surrounding_area (this, m, 20);
		2730	}
		2731
		2732	//+GPL
		2733
2636	object *	2734	object *
2637	object::force_find (shstr_tmp name)	2735	object::force_find (shstr_tmp name)
2638	{	2736	{
2639	/* cycle through his inventory to look for the MARK we want to	2737	/* cycle through his inventory to look for the MARK we want to
2640	* place	2738	* place
2641	*/	2739	*/
2642	for (object *tmp = inv; tmp; tmp = tmp->below)	2740	for (object *tmp = inv; tmp; tmp = tmp->below)
2643	if (tmp->type == FORCE && tmp->slaying == name)	2741	if (tmp->type == FORCE && tmp->slaying == name)
2644	return splay (tmp);	2742	return splay (tmp);
2645		2743
2646	return 0;	2744	return 0;
2647	}	2745	}
2648		2746
2649	//-GPL
2650
2651	void	2747	void
2652	object::force_set_timer (int duration)	2748	object::force_set_timer (int duration)
2653	{	2749	{
2654	this->duration = 1;	2750	this->duration = 1;
2655	this->speed_left = -1.f;	2751	this->speed_left = -1.f;
…		…
2661	object::force_add (shstr_tmp name, int duration)	2757	object::force_add (shstr_tmp name, int duration)
2662	{	2758	{
2663	if (object *force = force_find (name))	2759	if (object *force = force_find (name))
2664	force->destroy ();	2760	force->destroy ();
2665		2761
2666	object *force = get_archetype (FORCE_NAME);	2762	object *force = archetype::get (FORCE_NAME);
2667		2763
2668	force->slaying = name;	2764	force->slaying = name;
2669	force->force_set_timer (duration);	2765	force->force_set_timer (duration);
2670	force->flag [FLAG_APPLIED] = true;	2766	force->flag [FLAG_APPLIED] = true;
2671		2767
…		…
2755	return contr->mark;	2851	return contr->mark;
2756	else	2852	else
2757	return 0;	2853	return 0;
2758	}	2854	}
2759		2855
		2856	// put marked object first in the inventory
		2857	// this is used by identify-like spells so players can influence
		2858	// the order a bit.
		2859	void
		2860	object::splay_marked ()
		2861	{
		2862	if (object *marked = mark ())
		2863	splay (marked);
		2864	}
		2865

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Comparing deliantra/server/common/object.C (file contents): Revision 1.327 by root, Fri Apr 16 02:32:25 2010 UTC vs. Revision 1.368 by root, Wed Dec 5 19:03:26 2018 UTC

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Comparing deliantra/server/common/object.C (file contents):
Revision 1.327 by root, Fri Apr 16 02:32:25 2010 UTC vs.
Revision 1.368 by root, Wed Dec 5 19:03:26 2018 UTC