1 /* $NetBSD: dr_5.c,v 1.14 2009/03/14 22:52:52 dholland Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)dr_5.c 8.2 (Berkeley) 4/28/95"; 36 #else 37 __RCSID("$NetBSD: dr_5.c,v 1.14 2009/03/14 22:52:52 dholland Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include <stddef.h> 42 #include "extern.h" 43 44 void 45 subtract(struct ship *from, struct ship *fromcap, int totalfrom, int *crewfrom, 46 int pcfrom) 47 { 48 int n; 49 50 if (fromcap == from && totalfrom) { /* if not captured */ 51 for (n = 0; n < 3; n++) { 52 if (totalfrom > crewfrom[n]) { 53 totalfrom -= crewfrom[n]; 54 crewfrom[n] = 0; 55 } else { 56 crewfrom[n] -= totalfrom; 57 totalfrom = 0; 58 } 59 } 60 send_crew(from, crewfrom[0], crewfrom[1], crewfrom[2]); 61 } else if (totalfrom) { 62 pcfrom -= totalfrom; 63 pcfrom = pcfrom < 0 ? 0 : pcfrom; 64 send_pcrew(from, pcfrom); 65 } 66 } 67 68 int 69 mensent(struct ship *from, struct ship *to, int *crew, struct ship **captured, 70 int *pc, int isdefense) 71 { /* returns # of crew squares sent */ 72 int men = 0; 73 int n; 74 int c1, c2, c3; 75 struct BP *bp; 76 77 *pc = from->file->pcrew; 78 *captured = from->file->captured; 79 crew[0] = from->specs->crew1; 80 crew[1] = from->specs->crew2; 81 crew[2] = from->specs->crew3; 82 bp = isdefense ? from->file->DBP : from->file->OBP; 83 for (n=0; n < NBP; n++, bp++) { 84 if (bp->turnsent && bp->toship == to) 85 men += bp->mensent; 86 } 87 if (men) { 88 c1 = men/100 ? crew[0] : 0; 89 c2 = (men%100)/10 ? crew[1] : 0; 90 #if 0 /* double assignment */ 91 c3 = men/10 ? crew[2] : 0; 92 #endif 93 c3 = *captured == NULL ? crew[2] : *pc; 94 } else 95 c1 = c2 = c3 = 0; 96 return(c1 + c2 + c3); 97 } 98