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 * $DragonFly: src/games/sail/dr_5.c,v 1.3 2006/09/03 17:33:13 pavalos Exp $ 32 */ 33 34 #include "externs.h" 35 36 void 37 subtract(struct ship *from, int totalfrom, int crewfrom[3], 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 int 60 mensent(struct ship *from, struct ship *to, int crew[3], struct ship **captured, int *pc, char isdefense) 61 { /* returns # of crew squares sent */ 62 int men = 0; 63 int n; 64 int c1, c2, c3; 65 struct BP *bp; 66 67 *pc = from->file->pcrew; 68 *captured = from->file->captured; 69 crew[0] = from->specs->crew1; 70 crew[1] = from->specs->crew2; 71 crew[2] = from->specs->crew3; 72 bp = isdefense ? from->file->DBP : from->file->OBP; 73 for (n=0; n < NBP; n++, bp++) { 74 if (bp->turnsent && bp->toship == to) 75 men += bp->mensent; 76 } 77 if (men) { 78 c1 = men/100 ? crew[0] : 0; 79 c2 = (men%100)/10 ? crew[1] : 0; 80 c3 = men/10 ? crew[2] : 0; 81 c3 = *captured == 0 ? crew[2] : *pc; 82 } else 83 c1 = c2 = c3 = 0; 84 return(c1 + c2 + c3); 85 } 86