1 /* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18 #ifndef lint 19 static char sccsid[] = "@(#)dr_4.c 5.3 (Berkeley) 06/18/88"; 20 #endif /* not lint */ 21 22 #include "externs.h" 23 24 ungrap(from, to) 25 register struct ship *from, *to; 26 { 27 register k; 28 char friend; 29 30 if ((k = grappled2(from, to)) == 0) 31 return; 32 friend = capship(from)->nationality == capship(to)->nationality; 33 while (--k >= 0) { 34 if (friend || die() < 3) { 35 cleangrapple(from, to, 0); 36 makesignal(from, "ungrappling %s (%c%c)", to); 37 } 38 } 39 } 40 41 grap(from, to) 42 register struct ship *from, *to; 43 { 44 if (capship(from)->nationality != capship(to)->nationality && die() > 2) 45 return; 46 Write(W_GRAP, from, 0, to->file->index, 0, 0, 0); 47 Write(W_GRAP, to, 0, from->file->index, 0, 0, 0); 48 makesignal(from, "grappled with %s (%c%c)", to); 49 } 50