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Annotation of 43BSD/games/sail/dr_5.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1983 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  */
        !             6: 
        !             7: #ifndef lint
        !             8: static char sccsid[] = "@(#)dr_5.c     5.1 (Berkeley) 5/29/85";
        !             9: #endif not lint
        !            10: 
        !            11: #include "externs.h"
        !            12: 
        !            13: subtract(from, totalfrom, crewfrom, fromcap, pcfrom)
        !            14: struct ship *from, *fromcap;
        !            15: int pcfrom;
        !            16: register int  totalfrom, crewfrom[3];
        !            17: {
        !            18:        register int n;
        !            19: 
        !            20:        if (fromcap == from && totalfrom) {             /* if not captured */
        !            21:                for (n = 0; n < 3; n++) {
        !            22:                        if (totalfrom > crewfrom[n]) {
        !            23:                                totalfrom -= crewfrom[n];
        !            24:                                crewfrom[n] = 0;
        !            25:                        } else {
        !            26:                                crewfrom[n] -= totalfrom;
        !            27:                                totalfrom = 0;
        !            28:                        }
        !            29:                }
        !            30:                Write(W_CREW, from, 0, crewfrom[0], crewfrom[1], crewfrom[2], 0);
        !            31:        } else if (totalfrom) {
        !            32:                pcfrom -= totalfrom;
        !            33:                pcfrom = pcfrom < 0 ? 0 : pcfrom;
        !            34:                Write(W_PCREW, from, 0, pcfrom, 0, 0, 0);
        !            35:        }
        !            36: }
        !            37: 
        !            38: mensent(from, to, crew, captured, pc, isdefense)
        !            39: struct ship *from, *to, **captured;
        !            40: int crew[3], *pc;
        !            41: char isdefense;
        !            42: {                                      /* returns # of crew squares sent */
        !            43:        int men = 0;
        !            44:        register int n;
        !            45:        int c1, c2, c3;
        !            46:        register struct BP *bp;
        !            47: 
        !            48:        *pc = from->file->pcrew;
        !            49:        *captured = from->file->captured;
        !            50:        crew[0] = from->specs->crew1;
        !            51:        crew[1] = from->specs->crew2;
        !            52:        crew[2] = from->specs->crew3;
        !            53:        bp = isdefense ? from->file->DBP : from->file->OBP;
        !            54:        for (n=0; n < NBP; n++, bp++) {
        !            55:                if (bp->turnsent && bp->toship == to)
        !            56:                        men += bp->mensent;
        !            57:        }
        !            58:        if (men) {
        !            59:                c1 = men/100 ? crew[0] : 0;
        !            60:                c2 = (men%100)/10 ? crew[1] : 0;
        !            61:                c3 = men/10 ? crew[2] : 0;
        !            62:                c3 = *captured == 0 ? crew[2] : *pc;
        !            63:        } else
        !            64:                c1 = c2 = c3 = 0;
        !            65:        return(c1 + c2 + c3);
        !            66: }

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