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-rw-r--r--sail/dr_4.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/sail/dr_4.c b/sail/dr_4.c
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+++ b/sail/dr_4.c
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+/*
+ * Copyright (c) 1983 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[] = "@(#)dr_4.c 5.4 (Berkeley) 6/1/90";
+#endif /* not lint */
+
+#include "externs.h"
+
+ungrap(from, to)
+register struct ship *from, *to;
+{
+ register k;
+ char friend;
+
+ if ((k = grappled2(from, to)) == 0)
+ return;
+ friend = capship(from)->nationality == capship(to)->nationality;
+ while (--k >= 0) {
+ if (friend || die() < 3) {
+ cleangrapple(from, to, 0);
+ makesignal(from, "ungrappling %s (%c%c)", to);
+ }
+ }
+}
+
+grap(from, to)
+register struct ship *from, *to;
+{
+ if (capship(from)->nationality != capship(to)->nationality && die() > 2)
+ return;
+ Write(W_GRAP, from, 0, to->file->index, 0, 0, 0);
+ Write(W_GRAP, to, 0, from->file->index, 0, 0, 0);
+ makesignal(from, "grappled with %s (%c%c)", to);
+}