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Annotation of 43BSDReno/games/sail/dr_5.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1983 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #ifndef lint
                     21: static char sccsid[] = "@(#)dr_5.c     5.4 (Berkeley) 6/1/90";
                     22: #endif /* not lint */
                     23: 
                     24: #include "externs.h"
                     25: 
                     26: subtract(from, totalfrom, crewfrom, fromcap, pcfrom)
                     27: struct ship *from, *fromcap;
                     28: int pcfrom;
                     29: register int  totalfrom, crewfrom[3];
                     30: {
                     31:        register int n;
                     32: 
                     33:        if (fromcap == from && totalfrom) {             /* if not captured */
                     34:                for (n = 0; n < 3; n++) {
                     35:                        if (totalfrom > crewfrom[n]) {
                     36:                                totalfrom -= crewfrom[n];
                     37:                                crewfrom[n] = 0;
                     38:                        } else {
                     39:                                crewfrom[n] -= totalfrom;
                     40:                                totalfrom = 0;
                     41:                        }
                     42:                }
                     43:                Write(W_CREW, from, 0, crewfrom[0], crewfrom[1], crewfrom[2], 0);
                     44:        } else if (totalfrom) {
                     45:                pcfrom -= totalfrom;
                     46:                pcfrom = pcfrom < 0 ? 0 : pcfrom;
                     47:                Write(W_PCREW, from, 0, pcfrom, 0, 0, 0);
                     48:        }
                     49: }
                     50: 
                     51: mensent(from, to, crew, captured, pc, isdefense)
                     52: struct ship *from, *to, **captured;
                     53: int crew[3], *pc;
                     54: char isdefense;
                     55: {                                      /* returns # of crew squares sent */
                     56:        int men = 0;
                     57:        register int n;
                     58:        int c1, c2, c3;
                     59:        register struct BP *bp;
                     60: 
                     61:        *pc = from->file->pcrew;
                     62:        *captured = from->file->captured;
                     63:        crew[0] = from->specs->crew1;
                     64:        crew[1] = from->specs->crew2;
                     65:        crew[2] = from->specs->crew3;
                     66:        bp = isdefense ? from->file->DBP : from->file->OBP;
                     67:        for (n=0; n < NBP; n++, bp++) {
                     68:                if (bp->turnsent && bp->toship == to)
                     69:                        men += bp->mensent;
                     70:        }
                     71:        if (men) {
                     72:                c1 = men/100 ? crew[0] : 0;
                     73:                c2 = (men%100)/10 ? crew[1] : 0;
                     74:                c3 = men/10 ? crew[2] : 0;
                     75:                c3 = *captured == 0 ? crew[2] : *pc;
                     76:        } else
                     77:                c1 = c2 = c3 = 0;
                     78:        return(c1 + c2 + c3);
                     79: }

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