NetBSD/games/trek/getcodi.c

75 lines
2.6 KiB
C
Raw Normal View History

1995-04-22 14:58:17 +04:00
/* $NetBSD: getcodi.c,v 1.3 1995/04/22 10:58:55 cgd Exp $ */
1993-03-21 12:45:37 +03:00
/*
1995-04-22 14:58:17 +04:00
* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
1993-03-21 12:45:37 +03:00
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
1995-04-22 14:58:17 +04:00
#if 0
static char sccsid[] = "@(#)getcodi.c 8.1 (Berkeley) 5/31/93";
#else
static char rcsid[] = "$NetBSD: getcodi.c,v 1.3 1995/04/22 10:58:55 cgd Exp $";
#endif
1993-03-21 12:45:37 +03:00
#endif /* not lint */
# include "getpar.h"
/*
** get course and distance
**
** The user is asked for a course and distance. This is used by
** move, impulse, and some of the computer functions.
**
** The return value is zero for success, one for an invalid input
** (meaning to drop the request).
*/
getcodi(co, di)
int *co;
double *di;
{
*co = getintpar("Course");
/* course must be in the interval [0, 360] */
if (*co < 0 || *co > 360)
return (1);
*di = getfltpar("Distance");
/* distance must be in the interval [0, 15] */
if (*di <= 0.0 || *di > 15.0)
return (1);
/* good return */
return (0);
}