initial import of 386bsd-0.1 sources

1 files changed, 80 insertions, 0 deletions

diff --git a/trek/impulse.c b/trek/impulse.c
new file mode 100644
index 00000000..9905b338
--- /dev/null
+++ b/trek/impulse.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 1980 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.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)impulse.c	5.4 (Berkeley) 6/1/90";
+#endif /* not lint */
+
+# include	"trek.h"
+
+/**
+ **	move under impulse power
+ **/
+
+impulse()
+{
+	int			course;
+	register int		power;
+	double			dist, time;
+	register int		percent;
+	extern double		move();
+
+	if (Ship.cond == DOCKED)
+		return (printf("Scotty: Sorry captain, but we are still docked.\n"));
+	if (damaged(IMPULSE))
+		return (out(IMPULSE));
+	if (getcodi(&course, &dist))
+		return;
+	power = 20 + 100 * dist;
+	percent = 100 * power / Ship.energy + 0.5;
+	if (percent >= 85)
+	{
+		printf("Scotty: That would consume %d%% of our remaining energy.\n",
+			percent);
+		if (!getynpar("Are you sure that is wise"))
+			return;
+		printf("Aye aye, sir\n");
+	}
+	time = dist / 0.095;
+	percent = 100 * time / Now.time + 0.5;
+	if (percent >= 85)
+	{
+		printf("Spock: That would take %d%% of our remaining time.\n",
+			percent);
+		if (!getynpar("Are you sure that is wise"))
+			return;
+		printf("(He's finally gone mad)\n");
+	}
+	Move.time = move(0, course, time, 0.095);
+	Ship.energy -= 20 + 100 * Move.time * 0.095;
+}