1: /*      $NetBSD: dr_5.c,v 1.12 2003/08/07 09:37:42 agc 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 1.12 2003/08/07 09:37:42 agc Exp $");
   38: #endif
   39: #endif /* not lint */
   40: 
   41: #include <sys/types.h>
   42: #include "extern.h"
   43: 
   44: void
   45: subtract(struct ship *from, struct ship *fromcap, int totalfrom, int *crewfrom, int pcfrom)
   46: {
   47:         int n;
   48: 
   49:         if (fromcap == from && totalfrom) {            /* if not captured */
   50:                 for (n = 0; n < 3; n++) {
   51:                         if (totalfrom > crewfrom[n]) {
   52:                                 totalfrom -= crewfrom[n];
   53:                                 crewfrom[n] = 0;
   54:                         } else {
   55:                                 crewfrom[n] -= totalfrom;
   56:                                 totalfrom = 0;
   57:                         }
   58:                 }
   59:                 Write(W_CREW, from, crewfrom[0], crewfrom[1], crewfrom[2], 0);
   60:         } else if (totalfrom) {
   61:                 pcfrom -= totalfrom;
   62:                 pcfrom = pcfrom < 0 ? 0 : pcfrom;
   63:                 Write(W_PCREW, from, pcfrom, 0, 0, 0);
   64:         }
   65: }
   66: 
   67: int
   68: mensent(struct ship *from, struct ship *to, int *crew, struct ship **captured, int *pc, int isdefense)
   69: {                                       /* returns # of crew squares sent */
   70:         int men = 0;
   71:         int n;
   72:         int c1, c2, c3;
   73:         struct BP *bp;
   74: 
   75:         *pc = from->file->pcrew;
   76:         *captured = from->file->captured;
   77:         crew[0] = from->specs->crew1;
   78:         crew[1] = from->specs->crew2;
   79:         crew[2] = from->specs->crew3;
   80:         bp = isdefense ? from->file->DBP : from->file->OBP;
   81:         for (n=0; n < NBP; n++, bp++) {
   82:                 if (bp->turnsent && bp->toship == to)
   83:                         men += bp->mensent;
   84:         }
   85:         if (men) {
   86:                 c1 = men/100 ? crew[0] : 0;
   87:                 c2 = (men%100)/10 ? crew[1] : 0;
   88:                 c3 = men/10 ? crew[2] : 0;
   89:                 c3 = *captured == 0 ? crew[2] : *pc;
   90:         } else
   91:                 c1 = c2 = c3 = 0;
   92:         return(c1 + c2 + c3);
   93: }