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

Comparing deliantra/server/common/map.C (file contents):
Revision 1.126 by root, Fri Sep 7 13:10:30 2007 UTC vs.
Revision 1.166 by root, Wed Oct 21 00:44:39 2009 UTC

…		…
1	/*	1	/*
2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team	4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* Crossfire TRT is free software: you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation, either version 3 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	19	* and the GNU General Public License along with this program. If not, see
		20	* <http://www.gnu.org/licenses/>.
20	*	21	*
21	* The authors can be reached via e-mail to <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	#include <unistd.h>	25	#include <unistd.h>
25		26
26	#include "global.h"	27	#include "global.h"
27	#include "funcpoint.h"
28
29	#include "loader.h"	28	#include "loader.h"
30
31	#include "path.h"	29	#include "path.h"
		30
		31	sint8 maptile::outdoor_darkness;
32		32
33	/* This rolls up wall, blocks_magic, blocks_view, etc, all into	33	/* This rolls up wall, blocks_magic, blocks_view, etc, all into
34	* one function that just returns a P_.. value (see map.h)	34	* one function that just returns a P_.. value (see map.h)
35	* it will also do map translation for tiled maps, returning	35	* it will also do map translation for tiled maps, returning
36	* new values into newmap, nx, and ny. Any and all of those	36	* new values into newmap, nx, and ny. Any and all of those
71	* by the caller.	71	* by the caller.
72	*/	72	*/
73	int	73	int
74	blocked_link (object ob, maptile m, int sx, int sy)	74	blocked_link (object ob, maptile m, int sx, int sy)
75	{	75	{
76	object *tmp;
77	int mflags, blocked;
78
79	/* Make sure the coordinates are valid - they should be, as caller should	76	/* Make sure the coordinates are valid - they should be, as caller should
80	* have already checked this.	77	* have already checked this.
81	*/	78	*/
82	if (OUT_OF_REAL_MAP (m, sx, sy))	79	if (OUT_OF_REAL_MAP (m, sx, sy))
83	{	80	{
84	LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n");	81	LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n");
85	return 1;	82	return 1;
86	}	83	}
87		84
88	/* Save some cycles - instead of calling get_map_flags(), just get the value	85	mapspace &ms = m->at (sx, sy);
89	* directly.
90	*/
91	mflags = m->at (sx, sy).flags ();
92		86
93	blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);	87	int mflags = ms.flags ();
		88	int blocked = ms.move_block;
94		89
95	/* If space is currently not blocked by anything, no need to	90	/* If space is currently not blocked by anything, no need to
96	* go further. Not true for players - all sorts of special	91	* go further. Not true for players - all sorts of special
97	* things we need to do for players.	92	* things we need to do for players.
98	*/	93	*/
99	if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0))	94	if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0))
100	return 0;	95	return 0;
101		96
102	/* if there isn't anytyhing alive on this space, and this space isn't	97	/* if there isn't anything alive on this space, and this space isn't
103	* otherwise blocked, we can return now. Only if there is a living	98	* otherwise blocked, we can return now. Only if there is a living
104	* creature do we need to investigate if it is part of this creature	99	* creature do we need to investigate if it is part of this creature
105	* or another. Likewise, only if something is blocking us do we	100	* or another. Likewise, only if something is blocking us do we
106	* need to investigate if there is a special circumstance that would	101	* need to investigate if there is a special circumstance that would
107	* let the player through (inventory checkers for example)	102	* let the player through (inventory checkers for example)
…		…
114	/* We basically go through the stack of objects, and if there is	109	/* We basically go through the stack of objects, and if there is
115	* some other object that has NO_PASS or FLAG_ALIVE set, return	110	* some other object that has NO_PASS or FLAG_ALIVE set, return
116	* true. If we get through the entire stack, that must mean	111	* true. If we get through the entire stack, that must mean
117	* ob is blocking it, so return 0.	112	* ob is blocking it, so return 0.
118	*/	113	*/
119	for (tmp = GET_MAP_OB (m, sx, sy); tmp; tmp = tmp->above)	114	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
120	{	115	{
121		116	if (OB_MOVE_BLOCK (ob, tmp))
122	/* This must be before the checks below. Code for inventory checkers. */
123	if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
124	{	117	{
125	/* If last_sp is set, the player/monster needs an object,	118	if (INVOKE_OBJECT (BLOCKED_MOVE, tmp, ob))
126	* so we check for it. If they don't have it, they can't	119	if (RESULT_INT (0))
127	* pass through this space.	120	return 1;
128	*/	121	else
129	if (tmp->last_sp)	122	continue;
		123
		124	if (tmp->type == CHECK_INV)
130	{	125	{
131	if (check_inv_recursive (ob, tmp) == NULL)	126	bool have = check_inv_recursive (ob, tmp);
		127
		128	// last_sp set means we block if we don't have.
		129	if (logical_xor (have, tmp->last_sp))
132	return 1;	130	return 1;
133	else	131	}
134	continue;	132	else if (tmp->type == T_MATCH)
		133	{
		134	// T_MATCH allows "entrance" iff the match is true
		135	// == blocks if the match fails
		136
		137	// we could have used an INVOKE_OBJECT, but decided against it, as we
		138	// assume that T_MATCH is relatively common.
		139	if (!match (tmp->slaying, ob, tmp, ob))
		140	return 1;
135	}	141	}
136	else	142	else
137	{	143	return 1; // unconditional block
138	/* In this case, the player must not have the object -	144
139	* if they do, they can't pass through.
140	*/
141	if (check_inv_recursive (ob, tmp) != NULL) /* player has object */
142	return 1;
143	else
144	continue;
145	}
146	} /* if check_inv */
147	else	145	} else {
148	{	146	// space does not block the ob, directly, but
149	/* Broke apart a big nasty if into several here to make	147	// anything alive that is not a door still
150	* this more readable. first check - if the space blocks	148	// blocks anything but wizards.
151	* movement, can't move here.
152	* second - if a monster, can't move there, unless it is a
153	* hidden dm
154	*/
155	if (OB_MOVE_BLOCK (ob, tmp))
156	return 1;
157		149
158	if (tmp->flag [FLAG_ALIVE]	150	if (tmp->flag [FLAG_ALIVE]
159	&& tmp->head_ () != ob	151	&& tmp->head_ () != ob
160	&& tmp != ob	152	&& tmp != ob
161	&& tmp->type != DOOR	153	&& tmp->type != DOOR
162	&& !(tmp->flag [FLAG_WIZ] && tmp->contr->hidden))	154	&& !tmp->flag [FLAG_WIZPASS])
163	return 1;	155	return 1;
164	}	156	}
165
166	}	157	}
		158
167	return 0;	159	return 0;
168	}	160	}
169		161
170	/*	162	/*
171	* Returns true if the given object can't fit in the given spot.	163	* Returns qthe blocking object if the given object can't fit in the given
172	* This is meant for multi space objects - for single space objecs,	164	* spot. This is meant for multi space objects - for single space objecs,
173	* just calling get_map_blocked and checking that against movement type	165	* just calling get_map_blocked and checking that against movement type
174	* of object. This function goes through all the parts of the	166	* of object. This function goes through all the parts of the multipart
175	* multipart object and makes sure they can be inserted.	167	* object and makes sure they can be inserted.
176	*	168	*
177	* While this doesn't call out of map, the get_map_flags does.	169	* While this doesn't call out of map, the get_map_flags does.
178	*	170	*
179	* This function has been used to deprecate arch_out_of_map -	171	* This function has been used to deprecate arch_out_of_map -
180	* this function also does that check, and since in most cases,	172	* this function also does that check, and since in most cases,
…		…
191	*	183	*
192	* Note this used to be arch_blocked, but with new movement	184	* Note this used to be arch_blocked, but with new movement
193	* code, we need to have actual object to check its move_type	185	* code, we need to have actual object to check its move_type
194	* against the move_block values.	186	* against the move_block values.
195	*/	187	*/
196	int	188	bool
197	ob_blocked (const object ob, maptile m, sint16 x, sint16 y)	189	object::blocked (maptile *m, int x, int y) const
198	{	190	{
199	archetype *tmp;	191	for (archetype tmp = arch; tmp; tmp = (archetype )tmp->more)
200	int flag;
201	maptile *m1;
202	sint16 sx, sy;
203
204	if (!ob)
205	{
206	flag = get_map_flags (m, &m1, x, y, &sx, &sy);
207	if (flag & P_OUT_OF_MAP)
208	return P_OUT_OF_MAP;
209
210	/* don't have object, so don't know what types would block */
211	return m1->at (sx, sy).move_block;
212	}	192	{
		193	mapxy pos (m, x + tmp->x, y + tmp->y);
213		194
214	for (tmp = ob->arch; tmp; tmp = (archetype *)tmp->more)	195	if (!pos.normalise ())
215	{	196	return 1;
216	flag = get_map_flags (m, &m1, x + tmp->x, y + tmp->y, &sx, &sy);
217		197
218	if (flag & P_OUT_OF_MAP)	198	mapspace &ms = *pos;
219	return P_OUT_OF_MAP;	199
220	if (flag & P_IS_ALIVE)	200	if (ms.flags () & P_IS_ALIVE)
221	return P_IS_ALIVE;	201	return 1;
222		202
223	mapspace &ms = m1->at (sx, sy);	203	/* However, often ob doesn't have any move type
224		204	* (signifying non-moving objects)
225	/* find_first_free_spot() calls this function. However, often
226	* ob doesn't have any move type (when used to place exits)
227	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.	205	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
228	*/	206	*/
229
230	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)	207	if (!move_type && ms.move_block != MOVE_ALL)
231	continue;	208	continue;
232		209
233	/* Note it is intentional that we check ob - the movement type of the	210	/* Note it is intentional that we check ob - the movement type of the
234	* head of the object should correspond for the entire object.	211	* head of the object should correspond for the entire object.
235	*/	212	*/
236	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	213	if (ms.blocks (move_type))
237	return P_NO_PASS;	214	return 1;
238	}	215	}
239		216
240	return 0;	217	return 0;
241	}	218	}
242		219
…		…
260		237
261	insert_ob_in_ob (tmp, container);	238	insert_ob_in_ob (tmp, container);
262	tmp = next;	239	tmp = next;
263	}	240	}
264		241
265	/* sum_weight will go through and calculate what all the containers are	242	// go through and calculate what all the containers are carrying.
266	* carrying.	243	//TODO: remove
267	*/	244	container->update_weight ();
268	sum_weight (container);
269	}	245	}
270		246
271	void	247	void
272	maptile::set_object_flag (int flag, int value)	248	maptile::set_object_flag (int flag, int value)
273	{	249	{
…		…
275	return;	251	return;
276		252
277	for (mapspace *ms = spaces + size (); ms-- > spaces; )	253	for (mapspace *ms = spaces + size (); ms-- > spaces; )
278	for (object *tmp = ms->bot; tmp; tmp = tmp->above)	254	for (object *tmp = ms->bot; tmp; tmp = tmp->above)
279	tmp->flag [flag] = value;	255	tmp->flag [flag] = value;
		256	}
		257
		258	void
		259	maptile::post_load_original ()
		260	{
		261	if (!spaces)
		262	return;
		263
		264	set_object_flag (FLAG_OBJ_ORIGINAL);
		265
		266	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		267	for (object *tmp = ms->bot; tmp; tmp = tmp->above)
		268	INVOKE_OBJECT (RESET, tmp);
280	}	269	}
281		270
282	/* link_multipart_objects go through all the objects on the map looking	271	/* link_multipart_objects go through all the objects on the map looking
283	* for objects whose arch says they are multipart yet according to the	272	* for objects whose arch says they are multipart yet according to the
284	* info we have, they only have the head (as would be expected when	273	* info we have, they only have the head (as would be expected when
…		…
322	bool	311	bool
323	maptile::_load_objects (object_thawer &f)	312	maptile::_load_objects (object_thawer &f)
324	{	313	{
325	for (;;)	314	for (;;)
326	{	315	{
327	coroapi::cede_to_tick_every (100); // cede once in a while	316	coroapi::cede_to_tick (); // cede once in a while
328		317
329	switch (f.kw)	318	switch (f.kw)
330	{	319	{
331	case KW_arch:	320	case KW_arch:
332	if (object *op = object::read (f, this))	321	if (object *op = object::read (f, this))
333	{	322	{
		323	// TODO: why?
334	if (op->inv)	324	if (op->inv)
335	sum_weight (op);	325	op->update_weight ();
336		326
337	insert_ob_in_map (op, this, op, INS_NO_MERGE \| INS_NO_WALK_ON \| INS_ON_TOP \| INS_MAP_LOAD);	327	if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height))
		328	{
		329	// we insert manually because
		330	// a) its way faster
		331	// b) we remove manually, too, and there are good reasons for that
		332	// c) it's correct
		333	mapspace &ms = at (op->x, op->y);
		334
		335	op->flag [FLAG_REMOVED] = false;
		336
		337	op->above = 0;
		338	op->below = ms.top;
		339
		340	*(ms.top ? &ms.top->above : &ms.bot) = op;
		341
		342	ms.top = op;
		343	ms.flags_ = 0;
		344	}
		345	else
		346	{
		347	f.parse_warn (format ("object %s out of range", op->debug_desc ()));
		348	op->destroy ();
		349	}
338	}	350	}
339		351
340	continue;	352	continue;
341		353
342	case KW_EOF:	354	case KW_EOF:
…		…
545	return items;	557	return items;
546	}	558	}
547		559
548	/* opposite of parse string, this puts the string that was originally fed in to	560	/* opposite of parse string, this puts the string that was originally fed in to
549	* the map (or something equivilent) into output_string. */	561	* the map (or something equivilent) into output_string. */
550	static void	562	static const char *
551	print_shop_string (maptile m, char output_string)	563	print_shop_string (maptile *m)
552	{	564	{
553	int i;	565	static dynbuf_text buf; buf.clear ();
554	char tmp[MAX_BUF];
555		566
556	strcpy (output_string, "");
557	for (i = 0; i < m->shopitems[0].index; i++)	567	for (int i = 0; i < m->shopitems[0].index; i++)
558	{	568	{
559	if (m->shopitems[i].typenum)	569	if (m->shopitems[i].typenum)
560	{	570	{
561	if (m->shopitems[i].strength)	571	if (m->shopitems[i].strength)
562	sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);	572	buf.printf ("%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
563	else	573	else
564	sprintf (tmp, "%s;", m->shopitems[i].name);	574	buf.printf ("%s;", m->shopitems[i].name);
565	}	575	}
566	else	576	else
567	{	577	{
568	if (m->shopitems[i].strength)	578	if (m->shopitems[i].strength)
569	sprintf (tmp, "*:%d;", m->shopitems[i].strength);	579	buf.printf ("*:%d;", m->shopitems[i].strength);
570	else	580	else
571	sprintf (tmp, "*");	581	buf.printf ("*");
572	}	582	}
573
574	strcat (output_string, tmp);
575	}	583	}
		584
		585	return buf;
576	}	586	}
577		587
578	/* This loads the header information of the map. The header	588	/* This loads the header information of the map. The header
579	* contains things like difficulty, size, timeout, etc.	589	* contains things like difficulty, size, timeout, etc.
580	* this used to be stored in the map object, but with the	590	* this used to be stored in the map object, but with the
…		…
632	case KW_sky: thawer.get (sky); break;	642	case KW_sky: thawer.get (sky); break;
633		643
634	case KW_per_player: thawer.get (per_player); break;	644	case KW_per_player: thawer.get (per_player); break;
635	case KW_per_party: thawer.get (per_party); break;	645	case KW_per_party: thawer.get (per_party); break;
636	case KW_no_reset: thawer.get (no_reset); break;	646	case KW_no_reset: thawer.get (no_reset); break;
		647	case KW_no_drop: thawer.get (no_drop); break;
637		648
638	case KW_region: default_region = region::find (thawer.get_str ()); break;	649	case KW_region: default_region = region::find (thawer.get_str ()); break;
639	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;	650	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
640		651
641	// old names new names	652	// old names new names
…		…
691		702
692	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	703	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
693	unique = 1;	704	unique = 1;
694		705
695	if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) \|\| unique))	706	if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) \|\| unique))
696	{
697	op->destroy_inv (false);
698	op->destroy ();	707	op->destroy ();
699	}
700		708
701	op = above;	709	op = above;
702	}	710	}
703	}	711	}
704	}	712	}
…		…
715	MAP_OUT (swap_time);	723	MAP_OUT (swap_time);
716	MAP_OUT (reset_time);	724	MAP_OUT (reset_time);
717	MAP_OUT (reset_timeout);	725	MAP_OUT (reset_timeout);
718	MAP_OUT (fixed_resettime);	726	MAP_OUT (fixed_resettime);
719	MAP_OUT (no_reset);	727	MAP_OUT (no_reset);
		728	MAP_OUT (no_drop);
720	MAP_OUT (difficulty);	729	MAP_OUT (difficulty);
721
722	if (default_region) MAP_OUT2 (region, default_region->name);	730	if (default_region) MAP_OUT2 (region, default_region->name);
723		731
724	if (shopitems)	732	if (shopitems) MAP_OUT2 (shopitems, print_shop_string (this));
725	{
726	char shop[MAX_BUF];
727	print_shop_string (this, shop);
728	MAP_OUT2 (shopitems, shop);
729	}
730
731	MAP_OUT (shopgreed);	733	MAP_OUT (shopgreed);
732	MAP_OUT (shopmin);	734	MAP_OUT (shopmin);
733	MAP_OUT (shopmax);	735	MAP_OUT (shopmax);
734	if (shoprace) MAP_OUT (shoprace);	736	if (shoprace) MAP_OUT (shoprace);
		737
735	MAP_OUT (darkness);	738	MAP_OUT (darkness);
736	MAP_OUT (width);	739	MAP_OUT (width);
737	MAP_OUT (height);	740	MAP_OUT (height);
738	MAP_OUT (enter_x);	741	MAP_OUT (enter_x);
739	MAP_OUT (enter_y);	742	MAP_OUT (enter_y);
…		…
778	* Remove and free all objects in the given map.	781	* Remove and free all objects in the given map.
779	*/	782	*/
780	void	783	void
781	maptile::clear ()	784	maptile::clear ()
782	{	785	{
783	sfree (regions, size ()); regions = 0;
784	delete [] regionmap; regionmap = 0;
785
786	if (spaces)	786	if (spaces)
787	{	787	{
788	for (mapspace *ms = spaces + size (); ms-- > spaces; )	788	for (mapspace *ms = spaces + size (); ms-- > spaces; )
789	while (object *op = ms->bot)	789	while (object *op = ms->bot)
790	{	790	{
		791	// manually remove, as to not trigger anything
		792	if (ms->bot = op->above)
		793	ms->bot->below = 0;
		794
		795	op->flag [FLAG_REMOVED] = true;
		796
791	op = op->head_ ();	797	object *head = op->head_ ();
792	op->destroy_inv (false);	798	if (op == head)
793	op->destroy ();	799	op->destroy ();
		800	else if (head->map != op->map)
		801	{
		802	LOG (llevDebug, "bad luck for object crossing map borders: %s", head->debug_desc ());
		803	head->destroy ();
		804	}
794	}	805	}
795		806
796	sfree (spaces, size ()), spaces = 0;	807	sfree0 (spaces, size ());
797	}	808	}
798		809
799	if (buttons)	810	if (buttons)
800	free_objectlinkpt (buttons), buttons = 0;	811	free_objectlinkpt (buttons), buttons = 0;
		812
		813	sfree0 (regions, size ());
		814	delete [] regionmap; regionmap = 0;
801	}	815	}
802		816
803	void	817	void
804	maptile::clear_header ()	818	maptile::clear_header ()
805	{	819	{
…		…
905	op->destroy ();	919	op->destroy ();
906	}	920	}
907	}	921	}
908		922
909	/*	923	/*
910	* Updates every button on the map (by calling update_button() for them).
911	*/
912	void
913	maptile::update_buttons ()
914	{
915	for (oblinkpt *obp = buttons; obp; obp = obp->next)
916	for (objectlink *ol = obp->link; ol; ol = ol->next)
917	{
918	if (!ol->ob)
919	{
920	LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
921	ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
922	continue;
923	}
924
925	if (ol->ob->type == BUTTON \|\| ol->ob->type == PEDESTAL)
926	{
927	update_button (ol->ob);
928	break;
929	}
930	}
931	}
932
933	/*
934	* This routine is supposed to find out the difficulty of the map.	924	* This routine is supposed to find out the difficulty of the map.
935	* difficulty does not have a lot to do with character level,	925	* difficulty does not have a lot to do with character level,
936	* but does have a lot to do with treasure on the map.	926	* but does have a lot to do with treasure on the map.
937	*	927	*
938	* Difficulty can now be set by the map creature. If the value stored	928	* Difficulty can now be set by the map creator. If the value stored
939	* in the map is zero, then use this routine. Maps should really	929	* in the map is zero, then use this routine. Maps should really
940	* have a difficulty set than using this function - human calculation	930	* have a difficulty set rather than using this function - human calculation
941	* is much better than this functions guesswork.	931	* is much better than this function's guesswork.
942	*/	932	*/
943	int	933	int
944	maptile::estimate_difficulty () const	934	maptile::estimate_difficulty () const
945	{	935	{
946	long monster_cnt = 0;	936	long monster_cnt = 0;
…		…
958		948
959	if (QUERY_FLAG (op, FLAG_GENERATOR))	949	if (QUERY_FLAG (op, FLAG_GENERATOR))
960	{	950	{
961	total_exp += op->stats.exp;	951	total_exp += op->stats.exp;
962		952
963	if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))	953	if (archetype *at = op->other_arch)
		954	{
964	total_exp += at->stats.exp * 8;	955	total_exp += at->stats.exp * 8;
965
966	monster_cnt++;	956	monster_cnt++;
		957	}
		958
		959	for (object *inv = op->inv; inv; inv = inv->below)
		960	{
		961	total_exp += op->stats.exp * 8;
		962	monster_cnt++;
		963	}
967	}	964	}
968	}	965	}
969		966
970	avgexp = (double) total_exp / monster_cnt;	967	avgexp = (double) total_exp / monster_cnt;
971		968
…		…
984	* postive values make it darker, negative make it brighter	981	* postive values make it darker, negative make it brighter
985	*/	982	*/
986	int	983	int
987	maptile::change_map_light (int change)	984	maptile::change_map_light (int change)
988	{	985	{
989	int new_level = darkness + change;
990
991	/* Nothing to do */	986	/* Nothing to do */
992	if (!change \|\| (new_level <= 0 && darkness == 0) \|\| (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS))	987	if (!change)
993	return 0;	988	return 0;
994		989
995	/* inform all players on the map */	990	/* inform all players on the map */
996	if (change > 0)	991	if (change > 0)
997	new_info_map (NDI_BLACK \| NDI_UNIQUE, this, "It becomes darker.");	992	new_info_map (NDI_BLACK \| NDI_UNIQUE, this, "It becomes darker.");
998	else	993	else
999	new_info_map (NDI_BLACK \| NDI_UNIQUE, this, "It becomes brighter.");	994	new_info_map (NDI_BLACK \| NDI_UNIQUE, this, "It becomes brighter.");
1000		995
1001	/* Do extra checking. since darkness is a unsigned value,	996	darkness = clamp (darkness + change, -MAX_DARKNESS, MAX_DARKNESS);
1002	* we need to be extra careful about negative values.
1003	* In general, the checks below are only needed if change
1004	* is not +/-1
1005	*/
1006	if (new_level < 0)
1007	darkness = 0;
1008	else if (new_level >= MAX_DARKNESS)
1009	darkness = MAX_DARKNESS;
1010	else
1011	darkness = new_level;
1012		997
1013	/* All clients need to get re-updated for the change */	998	/* All clients need to get re-updated for the change */
1014	update_all_map_los (this);	999	update_all_map_los (this);
		1000
1015	return 1;	1001	return 1;
1016	}	1002	}
1017		1003
1018	/*	1004	/*
1019	* This function updates various attributes about a specific space	1005	* This function updates various attributes about a specific space
…		…
1022	* through, etc)	1008	* through, etc)
1023	*/	1009	*/
1024	void	1010	void
1025	mapspace::update_ ()	1011	mapspace::update_ ()
1026	{	1012	{
1027	object tmp, last = 0;	1013	object *last = 0;
1028	uint8 flags = P_UPTODATE, light = 0, anywhere = 0;	1014	uint8 flags = P_UPTODATE, anywhere = 0;
		1015	sint8 light = 0;
1029	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;	1016	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1030		1017
1031	//object *middle = 0;	1018	//object *middle = 0;
1032	//object *top = 0;	1019	//object *top = 0;
1033	//object *floor = 0;	1020	//object *floor = 0;
1034	// this seems to generate better code than using locals, above	1021	// this seems to generate better code than using locals, above
1035	object *&top = faces_obj[0] = 0;	1022	object *&top = faces_obj[0] = 0;
1036	object *&middle = faces_obj[1] = 0;	1023	object *&middle = faces_obj[1] = 0;
1037	object *&floor = faces_obj[2] = 0;	1024	object *&floor = faces_obj[2] = 0;
1038		1025
1039	for (tmp = bot; tmp; last = tmp, tmp = tmp->above)	1026	for (object *tmp = bot; tmp; last = tmp, tmp = tmp->above)
1040	{	1027	{
1041	/* This could be made additive I guess (two lights better than	1028	// Lights are additive, up to MAX_LIGHT_RADIUS, see los.C)
1042	* one). But if so, it shouldn't be a simple additive - 2
1043	* light bulbs do not illuminate twice as far as once since
1044	* it is a dissapation factor that is cubed.
1045	*/
1046	if (tmp->glow_radius > light)
1047	light = tmp->glow_radius;	1029	light += tmp->glow_radius;
1048		1030
1049	/* This call is needed in order to update objects the player	1031	/* This call is needed in order to update objects the player
1050	* is standing in that have animations (ie, grass, fire, etc).	1032	* is standing in that have animations (ie, grass, fire, etc).
1051	* However, it also causes the look window to be re-drawn	1033	* However, it also causes the look window to be re-drawn
1052	* 3 times each time the player moves, because many of the	1034	* 3 times each time the player moves, because many of the
…		…
1071	else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))	1053	else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1072	{	1054	{
1073	middle = tmp;	1055	middle = tmp;
1074	anywhere = 1;	1056	anywhere = 1;
1075	}	1057	}
		1058
1076	/* Find the highest visible face around. If equal	1059	/* Find the highest visible face around. If equal
1077	* visibilities, we still want the one nearer to the	1060	* visibilities, we still want the one nearer to the
1078	* top	1061	* top
1079	*/	1062	*/
1080	else if (!middle \|\| (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))	1063	else if (!middle \|\| (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))
…		…
1099	if (tmp->type == SAFE_GROUND) flags \|= P_SAFE;	1082	if (tmp->type == SAFE_GROUND) flags \|= P_SAFE;
1100	if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags \|= P_IS_ALIVE;	1083	if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags \|= P_IS_ALIVE;
1101	if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags \|= P_NO_CLERIC;	1084	if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags \|= P_NO_CLERIC;
1102	}	1085	}
1103		1086
1104	this->light = light;	1087	this->light = min (light, MAX_LIGHT_RADIUS);
1105	this->flags_ = flags;	1088	this->flags_ = flags;
1106	this->move_block = move_block & ~move_allow;	1089	this->move_block = move_block & ~move_allow;
1107	this->move_on = move_on;	1090	this->move_on = move_on;
1108	this->move_off = move_off;	1091	this->move_off = move_off;
1109	this->move_slow = move_slow;	1092	this->move_slow = move_slow;
…		…
1129	* 1) top face is set, need middle to be set.	1112	* 1) top face is set, need middle to be set.
1130	* 2) middle is set, need to set top.	1113	* 2) middle is set, need to set top.
1131	* 3) neither middle or top is set - need to set both.	1114	* 3) neither middle or top is set - need to set both.
1132	*/	1115	*/
1133		1116
1134	for (tmp = last; tmp; tmp = tmp->below)	1117	for (object *tmp = last; tmp; tmp = tmp->below)
1135	{	1118	{
1136	/* Once we get to a floor, stop, since we already have a floor object */	1119	/* Once we get to a floor, stop, since we already have a floor object */
1137	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))	1120	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1138	break;	1121	break;
1139		1122
…		…
1191	vol += op->volume ();	1174	vol += op->volume ();
1192		1175
1193	return vol;	1176	return vol;
1194	}	1177	}
1195		1178
1196	bool	1179	maptile *
1197	maptile::tile_available (int dir, bool load)	1180	maptile::tile_available (int dir, bool load)
1198	{	1181	{
1199	if (!tile_path[dir])	1182	if (tile_path[dir])
1200	return 0;	1183	{
1201
1202	if (tile_map[dir] && (!load \|\| tile_map[dir]->in_memory == MAP_IN_MEMORY))	1184	if (tile_map[dir] && (!load \|\| tile_map[dir]->in_memory == MAP_ACTIVE))
1203	return 1;	1185	return tile_map[dir];
1204		1186
1205	if ((tile_map[dir] = find_async (tile_path[dir], this, load)))	1187	if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
1206	return 1;	1188	return tile_map[dir];
		1189	}
1207		1190
1208	return 0;	1191	return 0;
1209	}	1192	}
1210		1193
1211	/* this returns TRUE if the coordinates (x,y) are out of	1194	/* this returns TRUE if the coordinates (x,y) are out of
…		…
1517	else	1500	else
1518	{	1501	{
1519	retval->distance_x += op2->x - x;	1502	retval->distance_x += op2->x - x;
1520	retval->distance_y += op2->y - y;	1503	retval->distance_y += op2->y - y;
1521		1504
1522	retval->part = NULL;	1505	retval->part = 0;
1523	retval->distance = idistance (retval->distance_x, retval->distance_y);	1506	retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
1524	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);	1507	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
1525	}	1508	}
1526	}	1509	}
1527		1510
1528	/* Returns true of op1 and op2 are effectively on the same map	1511	/* Returns true of op1 and op2 are effectively on the same map
…		…
1542	}	1525	}
1543		1526
1544	object *	1527	object *
1545	maptile::insert (object op, int x, int y, object originator, int flags)	1528	maptile::insert (object op, int x, int y, object originator, int flags)
1546	{	1529	{
1547	if (!op->flag [FLAG_REMOVED])
1548	op->remove ();
1549
1550	return insert_ob_in_map_at (op, this, originator, flags, x, y);	1530	return insert_ob_in_map_at (op, this, originator, flags, x, y);
1551	}	1531	}
1552		1532
1553	region *	1533	region *
1554	maptile::region (int x, int y) const	1534	maptile::region (int x, int y) const
…		…
1564		1544
1565	return ::region::default_region ();	1545	return ::region::default_region ();
1566	}	1546	}
1567		1547
1568	/* picks a random object from a style map.	1548	/* picks a random object from a style map.
1569	* Redone by MSW so it should be faster and not use static
1570	* variables to generate tables.
1571	*/	1549	*/
1572	object *	1550	object *
1573	maptile::pick_random_object () const	1551	maptile::pick_random_object (rand_gen &gen) const
1574	{	1552	{
1575	/* while returning a null object will result in a crash, that	1553	/* while returning a null object will result in a crash, that
1576	* is actually preferable to an infinite loop. That is because	1554	* is actually preferable to an infinite loop. That is because
1577	* most servers will automatically restart in case of crash.	1555	* most servers will automatically restart in case of crash.
1578	* Change the logic on getting the random space - shouldn't make	1556	* Change the logic on getting the random space - shouldn't make
1579	* any difference, but this seems clearer to me.	1557	* any difference, but this seems clearer to me.
1580	*/	1558	*/
1581	for (int i = 1000; --i;)	1559	for (int i = 1000; --i;)
1582	{	1560	{
1583	object *pick = at (rndm (width), rndm (height)).bot;	1561	object *pick = at (gen (width), gen (height)).bot;
1584		1562
1585	// do not prefer big monsters just because they are big.	1563	// do not prefer big monsters just because they are big.
1586	if (pick && pick->head_ () == pick)	1564	if (pick && pick->is_head ())
1587	return pick->head_ ();	1565	return pick->head_ ();
1588	}	1566	}
1589		1567
1590	// instead of crashing in the unlikely(?) case, try to return something	1568	// instead of crashing in the unlikely(?) case, try to return something
1591	return get_archetype ("blocked");	1569	return archetype::find ("bug");
1592	}	1570	}
1593		1571
1594	void	1572	void
1595	maptile::play_sound (faceidx sound, int x, int y) const	1573	maptile::play_sound (faceidx sound, int x, int y) const
1596	{	1574	{
1597	if (!sound)	1575	if (!sound)
1598	return;	1576	return;
1599		1577
		1578	for_all_players_on_map (pl, this)
		1579	if (client *ns = pl->ns)
		1580	{
		1581	int dx = x - pl->ob->x;
		1582	int dy = y - pl->ob->y;
		1583
		1584	int distance = idistance (dx, dy);
		1585
		1586	if (distance <= MAX_SOUND_DISTANCE)
		1587	ns->play_sound (sound, dx, dy);
		1588	}
		1589	}
		1590
		1591	void
		1592	maptile::say_msg (const char *msg, int x, int y) const
		1593	{
1600	for_all_players (pl)	1594	for_all_players (pl)
1601	if (pl->observe->map == this)
1602	if (client *ns = pl->ns)	1595	if (client *ns = pl->ns)
1603	{	1596	{
1604	int dx = x - pl->observe->x;	1597	int dx = x - pl->ob->x;
1605	int dy = y - pl->observe->y;	1598	int dy = y - pl->ob->y;
1606		1599
1607	int distance = idistance (dx, dy);	1600	int distance = idistance (dx, dy);
1608		1601
1609	if (distance <= MAX_SOUND_DISTANCE)	1602	if (distance <= MAX_SOUND_DISTANCE)
1610	ns->play_sound (sound, dx, dy);	1603	ns->send_msg (NDI_GREY \| NDI_DEF, SAY_CHANNEL, msg);
1611	}	1604	}
1612	}	1605	}
1613		1606
		1607	static void
		1608	split_to_tiles (dynbuf &buf, maptile *m, int x0, int y0, int x1, int y1, int dx, int dy)
		1609	{
		1610	// clip to map to the left
		1611	if (x0 < 0)
		1612	{
		1613	if (maptile *tile = m->tile_available (TILE_LEFT, 1))
		1614	split_to_tiles (buf, tile, x0 + tile->width, y0, min (x1 + tile->width, tile->width), y1, dx - tile->width, dy);
		1615
		1616	if (x1 < 0) // entirely to the left
		1617	return;
		1618
		1619	x0 = 0;
		1620	}
		1621
		1622	// clip to map to the right
		1623	if (x1 > m->width)
		1624	{
		1625	if (maptile *tile = m->tile_available (TILE_RIGHT, 1))
		1626	split_to_tiles (buf, tile, max (x0 - m->width, 0), y0, x1 - m->width, y1, dx + m->width, dy);
		1627
		1628	if (x0 > m->width) // entirely to the right
		1629	return;
		1630
		1631	x1 = m->width;
		1632	}
		1633
		1634	// clip to map above
		1635	if (y0 < 0)
		1636	{
		1637	if (maptile *tile = m->tile_available (TILE_UP, 1))
		1638	split_to_tiles (buf, tile, x0, y0 + tile->height, x1, min (y1 + tile->height, tile->height), dx, dy - tile->height);
		1639
		1640	if (y1 < 0) // entirely above
		1641	return;
		1642
		1643	y0 = 0;
		1644	}
		1645
		1646	// clip to map below
		1647	if (y1 > m->height)
		1648	{
		1649	if (maptile *tile = m->tile_available (TILE_DOWN, 1))
		1650	split_to_tiles (buf, tile, x0, max (y0 - m->height, 0), x1, y1 - m->height, dx, dy + m->height);
		1651
		1652	if (y0 > m->height) // entirely below
		1653	return;
		1654
		1655	y1 = m->height;
		1656	}
		1657
		1658	// if we get here, the rect is within the current map
		1659	maprect r = (maprect )buf.alloc (sizeof (maprect));
		1660
		1661	r->m = m;
		1662	r->x0 = x0;
		1663	r->y0 = y0;
		1664	r->x1 = x1;
		1665	r->y1 = y1;
		1666	r->dx = dx;
		1667	r->dy = dy;
		1668	}
		1669
		1670	maprect *
		1671	maptile::split_to_tiles (int x0, int y0, int x1, int y1)
		1672	{
		1673	static dynbuf buf (sizeof (maprect) * 8, sizeof (maprect) * 8);
		1674	buf.clear ();
		1675
		1676	::split_to_tiles (buf, this, x0, y0, x1, y1, 0, 0);
		1677
		1678	// add end marker
		1679	maprect r = (maprect )buf.alloc (sizeof (maprect));
		1680	r->m = 0;
		1681
		1682	return (maprect *)buf.linearise ();
		1683	}
		1684

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Comparing deliantra/server/common/map.C (file contents): Revision 1.126 by root, Fri Sep 7 13:10:30 2007 UTC vs. Revision 1.166 by root, Wed Oct 21 00:44:39 2009 UTC

Diff Legend

Comparing deliantra/server/common/map.C (file contents):
Revision 1.126 by root, Fri Sep 7 13:10:30 2007 UTC vs.
Revision 1.166 by root, Wed Oct 21 00:44:39 2009 UTC