1 /*- 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)dr_5.c 8.1 (Berkeley) 5/31/93 30 * $FreeBSD: src/games/sail/dr_5.c,v 1.4 1999/11/30 03:49:33 billf Exp $ 31 */ 32 33 #include "externs.h" 34 35 void 36 subtract(struct ship *from, int totalfrom, int crewfrom[3], struct ship *fromcap, int pcfrom) 37 { 38 int n; 39 40 if (fromcap == from && totalfrom) { /* if not captured */ 41 for (n = 0; n < 3; n++) { 42 if (totalfrom > crewfrom[n]) { 43 totalfrom -= crewfrom[n]; 44 crewfrom[n] = 0; 45 } else { 46 crewfrom[n] -= totalfrom; 47 totalfrom = 0; 48 } 49 } 50 Write(W_CREW, from, crewfrom[0], crewfrom[1], crewfrom[2], 0); 51 } else if (totalfrom) { 52 pcfrom -= totalfrom; 53 pcfrom = pcfrom < 0 ? 0 : pcfrom; 54 Write(W_PCREW, from, pcfrom, 0, 0, 0); 55 } 56 } 57 58 int 59 mensent(struct ship *from, struct ship *to, int crew[3], struct ship **captured, int *pc, char isdefense) 60 { /* returns # of crew squares sent */ 61 int men = 0; 62 int n; 63 int c1, c2, c3; 64 struct BP *bp; 65 66 *pc = from->file->pcrew; 67 *captured = from->file->captured; 68 crew[0] = from->specs->crew1; 69 crew[1] = from->specs->crew2; 70 crew[2] = from->specs->crew3; 71 bp = isdefense ? from->file->DBP : from->file->OBP; 72 for (n=0; n < NBP; n++, bp++) { 73 if (bp->turnsent && bp->toship == to) 74 men += bp->mensent; 75 } 76 if (men) { 77 c1 = men/100 ? crew[0] : 0; 78 c2 = (men%100)/10 ? crew[1] : 0; 79 c3 = men/10 ? crew[2] : 0; 80 c3 = *captured == NULL ? crew[2] : *pc; 81 } else 82 c1 = c2 = c3 = 0; 83 return(c1 + c2 + c3); 84 } 85