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Annotation of 43BSDReno/games/trek/capture.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted provided
        !             6:  * that: (1) source distributions retain this entire copyright notice and
        !             7:  * comment, and (2) distributions including binaries display the following
        !             8:  * acknowledgement:  ``This product includes software developed by the
        !             9:  * University of California, Berkeley and its contributors'' in the
        !            10:  * documentation or other materials provided with the distribution and in
        !            11:  * all advertising materials mentioning features or use of this software.
        !            12:  * Neither the name of the University nor the names of its contributors may
        !            13:  * be used to endorse or promote products derived from this software without
        !            14:  * specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #ifndef lint
        !            21: static char sccsid[] = "@(#)capture.c  5.4 (Berkeley) 6/1/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: # include      "trek.h"
        !            25: 
        !            26: /*
        !            27: **  Ask a Klingon To Surrender
        !            28: **
        !            29: **     (Fat chance)
        !            30: **
        !            31: **     The Subspace Radio is needed to ask a Klingon if he will kindly
        !            32: **     surrender.  A random Klingon from the ones in the quadrant is
        !            33: **     chosen.
        !            34: **
        !            35: **     The Klingon is requested to surrender.  The probability of this
        !            36: **     is a function of that Klingon's remaining power, our power,
        !            37: **     etc.
        !            38: */
        !            39: 
        !            40: capture()
        !            41: {
        !            42:        register int            i;
        !            43:        register struct kling   *k;
        !            44:        double                  x;
        !            45:        extern struct kling     *selectklingon();
        !            46: 
        !            47:        /* check for not cloaked */
        !            48:        if (Ship.cloaked)
        !            49:        {
        !            50:                printf("Ship-ship communications out when cloaked\n");
        !            51:                return;
        !            52:        }
        !            53:        if (damaged(SSRADIO))
        !            54:                return (out(SSRADIO));
        !            55:        /* find out if there are any at all */
        !            56:        if (Etc.nkling <= 0)
        !            57:        {
        !            58:                printf("Uhura: Getting no response, sir\n");
        !            59:                return;
        !            60:        }
        !            61: 
        !            62:        /* if there is more than one Klingon, find out which one */
        !            63:        k = selectklingon();
        !            64:        Move.free = 0;
        !            65:        Move.time = 0.05;
        !            66: 
        !            67:        /* check out that Klingon */
        !            68:        k->srndreq++;
        !            69:        x = Param.klingpwr;
        !            70:        x *= Ship.energy;
        !            71:        x /= k->power * Etc.nkling;
        !            72:        x *= Param.srndrprob;
        !            73:        i = x;
        !            74: #      ifdef xTRACE
        !            75:        if (Trace)
        !            76:                printf("Prob = %d (%.4f)\n", i, x);
        !            77: #      endif
        !            78:        if (i > ranf(100))
        !            79:        {
        !            80:                /* guess what, he surrendered!!! */
        !            81:                printf("Klingon at %d,%d surrenders\n", k->x, k->y);
        !            82:                i = ranf(Param.klingcrew);
        !            83:                if ( i > 0 )
        !            84:                        printf("%d klingons commit suicide rather than be taken captive\n", Param.klingcrew - i);
        !            85:                if (i > Ship.brigfree)
        !            86:                        i = Ship.brigfree;
        !            87:                Ship.brigfree -= i;
        !            88:                printf("%d captives taken\n", i);
        !            89:                killk(k->x, k->y);
        !            90:                return;
        !            91:        }
        !            92: 
        !            93:        /* big surprise, he refuses to surrender */
        !            94:        printf("Fat chance, captain\n");
        !            95:        return;
        !            96: }
        !            97: 
        !            98: 
        !            99: /*
        !           100: **  SELECT A KLINGON
        !           101: **
        !           102: **     Cruddy, just takes one at random.  Should ask the captain.
        !           103: */
        !           104: 
        !           105: struct kling   *selectklingon()
        !           106: {
        !           107:        register int            i;
        !           108: 
        !           109:        if (Etc.nkling < 2)
        !           110:                i = 0;
        !           111:        else
        !           112:                i = ranf(Etc.nkling);
        !           113:        return (&Etc.klingon[i]);
        !           114: }

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