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Annotation of 43BSD/games/trek/lrscan.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  */
        !             6: 
        !             7: #ifndef lint
        !             8: static char sccsid[] = "@(#)lrscan.c   5.1 (Berkeley) 5/30/85";
        !             9: #endif not lint
        !            10: 
        !            11: # include      "trek.h"
        !            12: 
        !            13: /*
        !            14: **  LONG RANGE OF SCANNERS
        !            15: **
        !            16: **     A summary of the quadrants that surround you is printed.  The
        !            17: **     hundreds digit is the number of Klingons in the quadrant,
        !            18: **     the tens digit is the number of starbases, and the units digit
        !            19: **     is the number of stars.  If the printout is "///" it means
        !            20: **     that that quadrant is rendered uninhabitable by a supernova.
        !            21: **     It also updates the "scanned" field of the quadrants it scans,
        !            22: **     for future use by the "chart" option of the computer.
        !            23: */
        !            24: 
        !            25: lrscan()
        !            26: {
        !            27:        register int                    i, j;
        !            28:        register struct quad            *q;
        !            29: 
        !            30:        if (check_out(LRSCAN))
        !            31:        {
        !            32:                return;
        !            33:        }
        !            34:        printf("Long range scan for quadrant %d,%d\n\n", Ship.quadx, Ship.quady);
        !            35: 
        !            36:        /* print the header on top */
        !            37:        for (j = Ship.quady - 1; j <= Ship.quady + 1; j++)
        !            38:        {
        !            39:                if (j < 0 || j >= NQUADS)
        !            40:                        printf("      ");
        !            41:                else
        !            42:                        printf("     %1d", j);
        !            43:        }
        !            44: 
        !            45:        /* scan the quadrants */
        !            46:        for (i = Ship.quadx - 1; i <= Ship.quadx + 1; i++)
        !            47:        {
        !            48:                printf("\n  -------------------\n");
        !            49:                if (i < 0 || i >= NQUADS)
        !            50:                {
        !            51:                        /* negative energy barrier */
        !            52:                        printf("  !  *  !  *  !  *  !");
        !            53:                        continue;
        !            54:                }
        !            55: 
        !            56:                /* print the left hand margin */
        !            57:                printf("%1d !", i);
        !            58:                for (j = Ship.quady - 1; j <= Ship.quady + 1; j++)
        !            59:                {
        !            60:                        if (j < 0 || j >= NQUADS)
        !            61:                        {
        !            62:                                /* negative energy barrier again */
        !            63:                                printf("  *  !");
        !            64:                                continue;
        !            65:                        }
        !            66:                        q = &Quad[i][j];
        !            67:                        if (q->stars < 0)
        !            68:                        {
        !            69:                                /* supernova */
        !            70:                                printf(" /// !");
        !            71:                                q->scanned = 1000;
        !            72:                                continue;
        !            73:                        }
        !            74:                        q->scanned = q->klings * 100 + q->bases * 10 + q->stars;
        !            75:                        printf(" %3d !", q->scanned);
        !            76:                }
        !            77:        }
        !            78:        printf("\n  -------------------\n");
        !            79:        return;
        !            80: }

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