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Annotation of 43BSDTahoe/games/sail/game.c, revision 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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