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Annotation of 43BSD/games/trek/impulse.c, revision 1.1.1.1

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[] = "@(#)impulse.c  5.1 (Berkeley) 5/30/85";
                      9: #endif not lint
                     10: 
                     11: # include      "trek.h"
                     12: 
                     13: /**
                     14:  **    move under impulse power
                     15:  **/
                     16: 
                     17: impulse()
                     18: {
                     19:        int                     course;
                     20:        register int            power;
                     21:        double                  dist, time;
                     22:        register int            percent;
                     23:        extern double           move();
                     24: 
                     25:        if (Ship.cond == DOCKED)
                     26:                return (printf("Scotty: Sorry captain, but we are still docked.\n"));
                     27:        if (damaged(IMPULSE))
                     28:                return (out(IMPULSE));
                     29:        if (getcodi(&course, &dist))
                     30:                return;
                     31:        power = 20 + 100 * dist;
                     32:        percent = 100 * power / Ship.energy + 0.5;
                     33:        if (percent >= 85)
                     34:        {
                     35:                printf("Scotty: That would consume %d%% of our remaining energy.\n",
                     36:                        percent);
                     37:                if (!getynpar("Are you sure that is wise"))
                     38:                        return;
                     39:                printf("Aye aye, sir\n");
                     40:        }
                     41:        time = dist / 0.095;
                     42:        percent = 100 * time / Now.time + 0.5;
                     43:        if (percent >= 85)
                     44:        {
                     45:                printf("Spock: That would take %d%% of our remaining time.\n",
                     46:                        percent);
                     47:                if (!getynpar("Are you sure that is wise"))
                     48:                        return;
                     49:                printf("(He's finally gone mad)\n");
                     50:        }
                     51:        Move.time = move(0, course, time, 0.095);
                     52:        Ship.energy -= 20 + 100 * Move.time * 0.095;
                     53: }

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