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Annotation of 43BSDTahoe/games/sail/game.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 the above copyright notice and this paragraph are
                      7:  * duplicated in all such forms and that any documentation,
                      8:  * advertising materials, and other materials related to such
                      9:  * distribution and use acknowledge that the software was developed
                     10:  * by the University of California, Berkeley.  The name of the
                     11:  * University may not be used to endorse or promote products derived
                     12:  * from this software without specific prior written permission.
                     13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     16:  */
                     17: 
                     18: #ifndef lint
                     19: static char sccsid[] = "@(#)game.c     5.3 (Berkeley) 6/18/88";
                     20: #endif /* not lint */
                     21: 
                     22: #include "externs.h"
                     23: 
                     24: maxturns(ship, af)
                     25: register struct ship *ship;
                     26: char *af;
                     27: {
                     28:        register int turns;
                     29: 
                     30:        turns = ship->specs->ta;
                     31:        if (*af = (ship->file->drift > 1 && turns)) {
                     32:                turns--;
                     33:                if (ship->file->FS == 1)
                     34:                        turns = 0;
                     35:        }
                     36:        return turns;
                     37: }
                     38: 
                     39: maxmove(ship, dir, fs)
                     40: register struct ship *ship;
                     41: int dir, fs;
                     42: {
                     43:        register int riggone = 0, Move, flank = 0;
                     44: 
                     45:        Move = ship->specs->bs;
                     46:        if (!ship->specs->rig1)
                     47:                riggone++;
                     48:        if (!ship->specs->rig2)
                     49:                riggone++;
                     50:        if (!ship->specs->rig3)
                     51:                riggone++;
                     52:        if (!ship->specs->rig4)
                     53:                riggone++;
                     54:        if ((ship->file->FS || fs) && fs != -1) {
                     55:                flank = 1;
                     56:                Move = ship->specs->fs;
                     57:        }
                     58:        if (dir == winddir)
                     59:                Move -= 1 + WET[windspeed][ship->specs->class-1].B;
                     60:        else if (dir == winddir + 2 || dir == winddir - 2 || dir == winddir - 6 || dir == winddir + 6)
                     61:                Move -= 1 + WET[windspeed][ship->specs->class-1].C;
                     62:        else if (dir == winddir + 3 || dir == winddir - 3 || dir == winddir - 5 || dir == winddir + 5)
                     63:                Move = (flank ? 2 : 1) - WET[windspeed][ship->specs->class-1].D;
                     64:        else if (dir == winddir + 4 || dir == winddir - 4)
                     65:                Move = 0;
                     66:        else 
                     67:                Move -= WET[windspeed][ship->specs->class-1].A;
                     68:        Move -= riggone;
                     69:        Move = Move < 0 ? 0 : Move;
                     70:        return(Move);
                     71: }

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