88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ---
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*
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* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
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* related information and legal notices. It is expected that any future
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* 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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*
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*/
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#ifndef _PATH_H_
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#define _PATH_H_
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#include "misc.h" /* s_char coord etc. */
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#include "sect.h" /* struct sctstr */
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#include "xy.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 SELL_NOT_DELIV 7 /* in "_use" field => contract */
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extern int dirindex[];
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extern int diroff[][2];
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extern s_char dirch[];
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/* src/lib/subs/paths.c */
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extern s_char *getpath(s_char *, s_char *, coord, coord, int, int,
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int, int);
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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(s_char *, coord *, coord *,
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double (*)(struct sctstr * sp, natid own));
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extern int chkdir(s_char, int, int);
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extern int getdir(s_char *, s_char *, s_char *, s_char *);
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extern void direrr(s_char *, s_char *, s_char *);
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extern double mcost(struct sctstr *, int);
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extern int chkpath(natid, s_char *, coord, coord);
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extern void pathrange(register coord, register coord, register s_char *,
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int, struct range *);
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extern s_char *masktopath();
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extern long pathtomask();
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extern double sector_mcost();
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#define P_NONE 0 /* NO destinations allowed */
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#define P_WALKING 1 /* use BestLandPath, only owned */
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#define P_FLYING 2 /* use bestpath, any */
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#define P_SAILING 3 /* use bestpath, any */
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#define P_DISTING 4 /* use BestDistPath, only owned */
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#define MAX_PATH_LEN 1024
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#endif /* _PATH_H_ */
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