Markus Armbruster
d8bef8e806
Conflicts: src/lib/as/as_cache.c src/lib/as/as_stats.c src/lib/common/path.c Modified: modified: include/path.h modified: include/prototypes.h modified: src/lib/update/finish.c
115 lines
3.5 KiB
C
115 lines
3.5 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure, Markus Armbruster
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*
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* Empire is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* ---
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*
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* See files README, COPYING and CREDITS in the root of the source
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* tree for related information and legal notices. It is expected
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* that future projects/authors will amend these files as needed.
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*
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* ---
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*
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* path.h: Definitions for directions, paths, etc.
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*
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* Known contributors to this file:
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* Markus Armbruster, 2005-2011
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*/
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#ifndef PATH_H
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#define PATH_H
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#include <stddef.h>
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#include "types.h"
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/* direction indices */
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#define DIR_STOP 0
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#define DIR_UR 1
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#define DIR_R 2
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#define DIR_DR 3
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#define DIR_DL 4
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#define DIR_L 5
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#define DIR_UL 6
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#define DIR_VIEW 7
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#define DIR_MAP 8
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#define DIR_FIRST 1
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#define DIR_LAST 6
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#define MOB_MOVE 0
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#define MOB_MARCH 1
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#define MOB_RAIL 2
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#define MOB_SAIL 3
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#define MOB_FLY 4
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enum p_mode { /* How to find path to destination */
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P_NONE, /* don't */
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P_FLYING, /* use BestAirPath() */
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P_SAILING /* use BestShipPath() */
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};
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/* src/lib/global/dir.c */
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extern signed char dirindex['z'-'a'+1];
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extern int diroff[DIR_MAP+1][2];
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extern char dirch[DIR_MAP+2];
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extern char *routech[DIR_LAST+1];
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/* src/lib/common/bestpath.c */
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extern char *bestownedpath(char *, char *, int, int, int, int, int);
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/* src/lib/common/findpath.c */
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extern void path_find_from(coord, coord, natid, int);
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extern double path_find_to(coord, coord);
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extern double path_find(coord, coord, coord, coord, natid, int);
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extern size_t path_find_route(char *, size_t, coord, coord, coord, coord);
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#ifdef PATH_FIND_DEBUG
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extern void path_find_visualize(coord, coord, coord, coord);
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#endif
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#ifdef PATH_FIND_STATS
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extern void path_find_print_stats(void);
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#else
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#define path_find_print_stats() ((void)0)
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#endif
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/* src/lib/common/path.c */
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extern void bp_enable_cachepath(void);
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extern void bp_disable_cachepath(void);
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extern void bp_clear_cachepath(void);
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extern char *BestDistPath(char *, struct sctstr *, struct sctstr *,
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double *);
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extern char *BestLandPath(char *, struct sctstr *, struct sctstr *,
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double *, int);
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extern char *BestShipPath(char *, int, int, int, int, int);
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extern char *BestAirPath(char *, int, int, int, int);
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extern double pathcost(struct sctstr *, char *, int);
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/* src/lib/subs/paths.c */
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extern char *getpath(char *, char *, coord, coord, int, int, enum p_mode);
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extern double fcost(struct sctstr *, natid);
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extern double ncost(struct sctstr *, natid);
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extern double pathtoxy(char *, coord *, coord *,
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double (*)(struct sctstr *, natid));
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extern int chkdir(char, int, int);
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extern int diridx(char);
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extern void direrr(char *, char *, char *);
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extern void pathrange(coord, coord, char *, int, struct range *);
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extern double sector_mcost(struct sctstr *, int);
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extern double speed_factor(double, int);
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#define MAX_PATH_LEN 1024
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#endif
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