Initial revision

git-svn-id: file:///srv/svn/joey/bsdgames-trunk@5086 a4a2c43b-8ac3-0310-8836-e0e880c912e2

trek/getcodi.c

@@ -0,0 +1,77 @@
+/*	$NetBSD: getcodi.c,v 1.4 1997/10/12 21:24:49 christos Exp $	*/
+
+/*
+ * Copyright (c) 1980, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * 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.
+ */
+
+#include <sys/cdefs.h>
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)getcodi.c	8.1 (Berkeley) 5/31/93";
+#else
+__RCSID("$NetBSD: getcodi.c,v 1.4 1997/10/12 21:24:49 christos Exp $");
+#endif
+#endif /* not lint */
+
+#include "getpar.h"
+#include "trek.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).
+*/
+
+int
+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);
+}