date and time created 83/03/17 21:09:03 by leres

[unix-history] / usr / src / games / sail / dr_5.c

#ifndef lint
static  char *sccsid = "@(#)dr_5.c      1.1 83/03/17";
#endif
#include "externs.h"

subtract(from, totalfrom, crewfrom, fromcap, pcfrom)
int from, fromcap, pcfrom;
register int  totalfrom, crewfrom[3];
{
       register int n;

       if (fromcap == from && totalfrom){              /* if not captured */
               for (n = 0; n < 3; n++){
                       if (totalfrom > crewfrom[n]){
                               totalfrom -= crewfrom[n];
                               crewfrom[n] = 0;
                       }
                       else {
                               crewfrom[n] -= totalfrom;
                               totalfrom = 0;
                       }
                       Write(SPECS + from, 0, 14 + 2*n, crewfrom[n]);
               }
       }
       else if (totalfrom){
               pcfrom -= totalfrom;
               pcfrom = pcfrom < 0 ? 0 : pcfrom;
               Write(FILES + from, 0, 70, pcfrom);
       }
}

mensent(from, to, crew, captured, pc, points, key)
int from, to, key, crew[3], *captured, *pc, *points;
{                                       /* returns # of crew squares sent */
       int men = 0;
       register int n;
       int c1, c2, c3;
       struct shipspecs *ptr;
       struct File *ptr1;
       struct BP *ptr2;

       ptr = &specs[scene[game].ship[from].shipnum];
       ptr1 = scene[game].ship[from].file;     /* key:  0 OBP */
       ptr2 = key ? ptr1 -> DBP : ptr1 -> OBP; /*       1 DBP */
       *pc = ptr1 -> pcrew;
       *captured = ptr1 -> captured;
       crew[0] = ptr -> crew1;
       crew[1] = ptr -> crew2;
       crew[2] = ptr -> crew3;
       for (n=0; n < 3; n++){
               if (ptr2[n].turnsent && ptr2[n].toship == to)
                       men += ptr2[n].mensent;
       }
       if (men){
               c1 = men/100 ? crew[0] : 0;
               c2 = (men%100)/10 ? crew[1] : 0;
               c3 = men/10 ? crew[2] : 0;
               c3 = *captured < 0 ? crew[2] : *pc;
       } else
               c1 = c2 = c3 = 0;
       return(c1 + c2 + c3);
}