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Annotation of 43BSDReno/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: (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[] = "@(#)game.c     5.4 (Berkeley) 6/1/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: #include "externs.h"
        !            25: 
        !            26: maxturns(ship, af)
        !            27: register struct ship *ship;
        !            28: char *af;
        !            29: {
        !            30:        register int turns;
        !            31: 
        !            32:        turns = ship->specs->ta;
        !            33:        if (*af = (ship->file->drift > 1 && turns)) {
        !            34:                turns--;
        !            35:                if (ship->file->FS == 1)
        !            36:                        turns = 0;
        !            37:        }
        !            38:        return turns;
        !            39: }
        !            40: 
        !            41: maxmove(ship, dir, fs)
        !            42: register struct ship *ship;
        !            43: int dir, fs;
        !            44: {
        !            45:        register int riggone = 0, Move, flank = 0;
        !            46: 
        !            47:        Move = ship->specs->bs;
        !            48:        if (!ship->specs->rig1)
        !            49:                riggone++;
        !            50:        if (!ship->specs->rig2)
        !            51:                riggone++;
        !            52:        if (!ship->specs->rig3)
        !            53:                riggone++;
        !            54:        if (!ship->specs->rig4)
        !            55:                riggone++;
        !            56:        if ((ship->file->FS || fs) && fs != -1) {
        !            57:                flank = 1;
        !            58:                Move = ship->specs->fs;
        !            59:        }
        !            60:        if (dir == winddir)
        !            61:                Move -= 1 + WET[windspeed][ship->specs->class-1].B;
        !            62:        else if (dir == winddir + 2 || dir == winddir - 2 || dir == winddir - 6 || dir == winddir + 6)
        !            63:                Move -= 1 + WET[windspeed][ship->specs->class-1].C;
        !            64:        else if (dir == winddir + 3 || dir == winddir - 3 || dir == winddir - 5 || dir == winddir + 5)
        !            65:                Move = (flank ? 2 : 1) - WET[windspeed][ship->specs->class-1].D;
        !            66:        else if (dir == winddir + 4 || dir == winddir - 4)
        !            67:                Move = 0;
        !            68:        else 
        !            69:                Move -= WET[windspeed][ship->specs->class-1].A;
        !            70:        Move -= riggone;
        !            71:        Move = Move < 0 ? 0 : Move;
        !            72:        return(Move);
        !            73: }

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