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Annotation of 43BSDTahoe/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.
                      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[] = "@(#)impulse.c  5.3 (Berkeley) 6/18/88";
                     20: #endif /* not lint */
                     21: 
                     22: # include      "trek.h"
                     23: 
                     24: /**
                     25:  **    move under impulse power
                     26:  **/
                     27: 
                     28: impulse()
                     29: {
                     30:        int                     course;
                     31:        register int            power;
                     32:        double                  dist, time;
                     33:        register int            percent;
                     34:        extern double           move();
                     35: 
                     36:        if (Ship.cond == DOCKED)
                     37:                return (printf("Scotty: Sorry captain, but we are still docked.\n"));
                     38:        if (damaged(IMPULSE))
                     39:                return (out(IMPULSE));
                     40:        if (getcodi(&course, &dist))
                     41:                return;
                     42:        power = 20 + 100 * dist;
                     43:        percent = 100 * power / Ship.energy + 0.5;
                     44:        if (percent >= 85)
                     45:        {
                     46:                printf("Scotty: That would consume %d%% of our remaining energy.\n",
                     47:                        percent);
                     48:                if (!getynpar("Are you sure that is wise"))
                     49:                        return;
                     50:                printf("Aye aye, sir\n");
                     51:        }
                     52:        time = dist / 0.095;
                     53:        percent = 100 * time / Now.time + 0.5;
                     54:        if (percent >= 85)
                     55:        {
                     56:                printf("Spock: That would take %d%% of our remaining time.\n",
                     57:                        percent);
                     58:                if (!getynpar("Are you sure that is wise"))
                     59:                        return;
                     60:                printf("(He's finally gone mad)\n");
                     61:        }
                     62:        Move.time = move(0, course, time, 0.095);
                     63:        Ship.energy -= 20 + 100 * Move.time * 0.095;
                     64: }

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