/* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that: (1) source distributions retain this entire copyright * notice and comment, and (2) distributions including binaries display * the following acknowledgement: ``This product includes software * developed by the University of California, Berkeley and its contributors'' * in the documentation or other materials provided with the distribution * and in all advertising materials mentioning features or use of this * software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #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); }