1 /* $OpenBSD: dr_5.c,v 1.5 2016/01/08 20:26:33 mestre Exp $ */ 2 /* $NetBSD: dr_5.c,v 1.3 1995/04/22 10:36:51 cgd Exp $ */ 3 4 /* 5 * Copyright (c) 1983, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include "extern.h" 34 35 void 36 subtract(struct ship *from, int totalfrom, int crewfrom[3], 37 struct ship *fromcap, int pcfrom) 38 { 39 int n; 40 41 if (fromcap == from && totalfrom) { /* if not captured */ 42 for (n = 0; n < 3; n++) { 43 if (totalfrom > crewfrom[n]) { 44 totalfrom -= crewfrom[n]; 45 crewfrom[n] = 0; 46 } else { 47 crewfrom[n] -= totalfrom; 48 totalfrom = 0; 49 } 50 } 51 Write(W_CREW, from, crewfrom[0], crewfrom[1], crewfrom[2], 0); 52 } else if (totalfrom) { 53 pcfrom -= totalfrom; 54 pcfrom = pcfrom < 0 ? 0 : pcfrom; 55 Write(W_PCREW, from, pcfrom, 0, 0, 0); 56 } 57 } 58 59 /* returns # of crew squares sent */ 60 int 61 mensent(struct ship *from, struct ship *to, int crew[3], struct ship **captured, 62 int *pc, int isdefense) 63 { 64 int men = 0; 65 int n; 66 int c1, c2, c3; 67 struct BP *bp; 68 69 *pc = from->file->pcrew; 70 *captured = from->file->captured; 71 crew[0] = from->specs->crew1; 72 crew[1] = from->specs->crew2; 73 crew[2] = from->specs->crew3; 74 bp = isdefense ? from->file->DBP : from->file->OBP; 75 for (n=0; n < NBP; n++, bp++) { 76 if (bp->turnsent && bp->toship == to) 77 men += bp->mensent; 78 } 79 if (men) { 80 c1 = men/100 ? crew[0] : 0; 81 c2 = (men%100)/10 ? crew[1] : 0; 82 c3 = men/10 ? crew[2] : 0; 83 c3 = *captured == 0 ? crew[2] : *pc; 84 } else 85 c1 = c2 = c3 = 0; 86 return(c1 + c2 + c3); 87 } 88